diff options
Diffstat (limited to 'drivers/input')
79 files changed, 5128 insertions, 2687 deletions
diff --git a/drivers/input/Kconfig b/drivers/input/Kconfig index 07c2cd43109..1903c0f5b92 100644 --- a/drivers/input/Kconfig +++ b/drivers/input/Kconfig @@ -6,7 +6,7 @@ menu "Input device support" depends on !S390 config INPUT - tristate "Generic input layer (needed for keyboard, mouse, ...)" if EMBEDDED + tristate "Generic input layer (needed for keyboard, mouse, ...)" if EXPERT default y help Say Y here if you have any input device (mouse, keyboard, tablet, @@ -67,7 +67,7 @@ config INPUT_SPARSEKMAP comment "Userland interfaces" config INPUT_MOUSEDEV - tristate "Mouse interface" if EMBEDDED + tristate "Mouse interface" if EXPERT default y help Say Y here if you want your mouse to be accessible as char devices @@ -150,7 +150,7 @@ config INPUT_EVBUG module will be called evbug. config INPUT_APMPOWER - tristate "Input Power Event -> APM Bridge" if EMBEDDED + tristate "Input Power Event -> APM Bridge" if EXPERT depends on INPUT && APM_EMULATION help Say Y here if you want suspend key events to trigger a user diff --git a/drivers/input/Makefile b/drivers/input/Makefile index 7ad212d31f9..09614ce7496 100644 --- a/drivers/input/Makefile +++ b/drivers/input/Makefile @@ -5,7 +5,7 @@ # Each configuration option enables a list of files. obj-$(CONFIG_INPUT) += input-core.o -input-core-objs := input.o input-compat.o ff-core.o +input-core-y := input.o input-compat.o input-mt.o ff-core.o obj-$(CONFIG_INPUT_FF_MEMLESS) += ff-memless.o obj-$(CONFIG_INPUT_POLLDEV) += input-polldev.o diff --git a/drivers/input/apm-power.c b/drivers/input/apm-power.c index 7d61a966080..e90ee3d3061 100644 --- a/drivers/input/apm-power.c +++ b/drivers/input/apm-power.c @@ -9,6 +9,8 @@ * */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/module.h> #include <linux/input.h> #include <linux/slab.h> @@ -23,8 +25,7 @@ static void system_power_event(unsigned int keycode) switch (keycode) { case KEY_SUSPEND: apm_queue_event(APM_USER_SUSPEND); - - printk(KERN_INFO "apm-power: Requesting system suspend...\n"); + pr_info("Requesting system suspend...\n"); break; default: break; @@ -65,18 +66,15 @@ static int apmpower_connect(struct input_handler *handler, error = input_register_handle(handle); if (error) { - printk(KERN_ERR - "apm-power: Failed to register input power handler, " - "error %d\n", error); + pr_err("Failed to register input power handler, error %d\n", + error); kfree(handle); return error; } error = input_open_device(handle); if (error) { - printk(KERN_ERR - "apm-power: Failed to open input power device, " - "error %d\n", error); + pr_err("Failed to open input power device, error %d\n", error); input_unregister_handle(handle); kfree(handle); return error; diff --git a/drivers/input/evbug.c b/drivers/input/evbug.c index f7c5c14ec12..cd4e6679d61 100644 --- a/drivers/input/evbug.c +++ b/drivers/input/evbug.c @@ -26,6 +26,8 @@ * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/slab.h> #include <linux/module.h> #include <linux/input.h> @@ -38,8 +40,8 @@ MODULE_LICENSE("GPL"); static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) { - printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", - dev_name(&handle->dev->dev), type, code, value); + printk(KERN_DEBUG pr_fmt("Event. Dev: %s, Type: %d, Code: %d, Value: %d\n"), + dev_name(&handle->dev->dev), type, code, value); } static int evbug_connect(struct input_handler *handler, struct input_dev *dev, @@ -64,10 +66,10 @@ static int evbug_connect(struct input_handler *handler, struct input_dev *dev, if (error) goto err_unregister_handle; - printk(KERN_DEBUG "evbug.c: Connected device: %s (%s at %s)\n", - dev_name(&dev->dev), - dev->name ?: "unknown", - dev->phys ?: "unknown"); + printk(KERN_DEBUG pr_fmt("Connected device: %s (%s at %s)\n"), + dev_name(&dev->dev), + dev->name ?: "unknown", + dev->phys ?: "unknown"); return 0; @@ -80,8 +82,8 @@ static int evbug_connect(struct input_handler *handler, struct input_dev *dev, static void evbug_disconnect(struct input_handle *handle) { - printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n", - dev_name(&handle->dev->dev)); + printk(KERN_DEBUG pr_fmt("Disconnected device: %s\n"), + dev_name(&handle->dev->dev)); input_close_device(handle); input_unregister_handle(handle); diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index e3f7fc6f956..c8471a2552e 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -8,6 +8,8 @@ * the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #define EVDEV_MINOR_BASE 64 #define EVDEV_MINORS 32 #define EVDEV_MIN_BUFFER_SIZE 64U @@ -522,88 +524,84 @@ static int handle_eviocgbit(struct input_dev *dev, if (type == EV_KEY && size == OLD_KEY_MAX) { len = OLD_KEY_MAX; if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000)) - printk(KERN_WARNING - "evdev.c(EVIOCGBIT): Suspicious buffer size %u, " - "limiting output to %zu bytes. See " - "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n", - OLD_KEY_MAX, - BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long)); + pr_warning("(EVIOCGBIT): Suspicious buffer size %u, " + "limiting output to %zu bytes. See " + "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n", + OLD_KEY_MAX, + BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long)); } return bits_to_user(bits, len, size, p, compat_mode); } #undef OLD_KEY_MAX -static int evdev_handle_get_keycode(struct input_dev *dev, - void __user *p, size_t size) +static int evdev_handle_get_keycode(struct input_dev *dev, void __user *p) { - struct input_keymap_entry ke; + struct input_keymap_entry ke = { + .len = sizeof(unsigned int), + .flags = 0, + }; + int __user *ip = (int __user *)p; int error; - memset(&ke, 0, sizeof(ke)); + /* legacy case */ + if (copy_from_user(ke.scancode, p, sizeof(unsigned int))) + return -EFAULT; - if (size == sizeof(unsigned int[2])) { - /* legacy case */ - int __user *ip = (int __user *)p; - - if (copy_from_user(ke.scancode, p, sizeof(unsigned int))) - return -EFAULT; + error = input_get_keycode(dev, &ke); + if (error) + return error; - ke.len = sizeof(unsigned int); - ke.flags = 0; + if (put_user(ke.keycode, ip + 1)) + return -EFAULT; - error = input_get_keycode(dev, &ke); - if (error) - return error; + return 0; +} - if (put_user(ke.keycode, ip + 1)) - return -EFAULT; +static int evdev_handle_get_keycode_v2(struct input_dev *dev, void __user *p) +{ + struct input_keymap_entry ke; + int error; - } else { - size = min(size, sizeof(ke)); + if (copy_from_user(&ke, p, sizeof(ke))) + return -EFAULT; - if (copy_from_user(&ke, p, size)) - return -EFAULT; + error = input_get_keycode(dev, &ke); + if (error) + return error; - error = input_get_keycode(dev, &ke); - if (error) - return error; + if (copy_to_user(p, &ke, sizeof(ke))) + return -EFAULT; - if (copy_to_user(p, &ke, size)) - return -EFAULT; - } return 0; } -static int evdev_handle_set_keycode(struct input_dev *dev, - void __user *p, size_t size) +static int evdev_handle_set_keycode(struct input_dev *dev, void __user *p) { - struct input_keymap_entry ke; - - memset(&ke, 0, sizeof(ke)); + struct input_keymap_entry ke = { + .len = sizeof(unsigned int), + .flags = 0, + }; + int __user *ip = (int __user *)p; - if (size == sizeof(unsigned int[2])) { - /* legacy case */ - int __user *ip = (int __user *)p; + if (copy_from_user(ke.scancode, p, sizeof(unsigned int))) + return -EFAULT; - if (copy_from_user(ke.scancode, p, sizeof(unsigned int))) - return -EFAULT; - - if (get_user(ke.keycode, ip + 1)) - return -EFAULT; + if (get_user(ke.keycode, ip + 1)) + return -EFAULT; - ke.len = sizeof(unsigned int); - ke.flags = 0; + return input_set_keycode(dev, &ke); +} - } else { - size = min(size, sizeof(ke)); +static int evdev_handle_set_keycode_v2(struct input_dev *dev, void __user *p) +{ + struct input_keymap_entry ke; - if (copy_from_user(&ke, p, size)) - return -EFAULT; + if (copy_from_user(&ke, p, sizeof(ke))) + return -EFAULT; - if (ke.len > sizeof(ke.scancode)) - return -EINVAL; - } + if (ke.len > sizeof(ke.scancode)) + return -EINVAL; return input_set_keycode(dev, &ke); } @@ -669,6 +667,18 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, return evdev_grab(evdev, client); else return evdev_ungrab(evdev, client); + + case EVIOCGKEYCODE: + return evdev_handle_get_keycode(dev, p); + + case EVIOCSKEYCODE: + return evdev_handle_set_keycode(dev, p); + + case EVIOCGKEYCODE_V2: + return evdev_handle_get_keycode_v2(dev, p); + + case EVIOCSKEYCODE_V2: + return evdev_handle_set_keycode_v2(dev, p); } size = _IOC_SIZE(cmd); @@ -677,6 +687,10 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, #define EVIOC_MASK_SIZE(nr) ((nr) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT)) switch (EVIOC_MASK_SIZE(cmd)) { + case EVIOCGPROP(0): + return bits_to_user(dev->propbit, INPUT_PROP_MAX, + size, p, compat_mode); + case EVIOCGKEY(0): return bits_to_user(dev->key, KEY_MAX, size, p, compat_mode); @@ -708,12 +722,6 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, return -EFAULT; return error; - - case EVIOC_MASK_SIZE(EVIOCGKEYCODE): - return evdev_handle_get_keycode(dev, p, size); - - case EVIOC_MASK_SIZE(EVIOCSKEYCODE): - return evdev_handle_set_keycode(dev, p, size); } /* Multi-number variable-length handlers */ @@ -894,7 +902,7 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev, break; if (minor == EVDEV_MINORS) { - printk(KERN_ERR "evdev: no more free evdev devices\n"); + pr_err("no more free evdev devices\n"); return -ENFILE; } diff --git a/drivers/input/ff-core.c b/drivers/input/ff-core.c index 03078c08309..3367f760d75 100644 --- a/drivers/input/ff-core.c +++ b/drivers/input/ff-core.c @@ -23,7 +23,7 @@ /* #define DEBUG */ -#define debug(format, arg...) pr_debug("ff-core: " format "\n", ## arg) +#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt #include <linux/input.h> #include <linux/module.h> @@ -116,7 +116,7 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, if (effect->type < FF_EFFECT_MIN || effect->type > FF_EFFECT_MAX || !test_bit(effect->type, dev->ffbit)) { - debug("invalid or not supported effect type in upload"); + pr_debug("invalid or not supported effect type in upload\n"); return -EINVAL; } @@ -124,7 +124,7 @@ int input_ff_upload(struct input_dev *dev, struct ff_effect *effect, (effect->u.periodic.waveform < FF_WAVEFORM_MIN || effect->u.periodic.waveform > FF_WAVEFORM_MAX || !test_bit(effect->u.periodic.waveform, dev->ffbit))) { - debug("invalid or not supported wave form in upload"); + pr_debug("invalid or not supported wave form in upload\n"); return -EINVAL; } @@ -246,7 +246,7 @@ static int flush_effects(struct input_dev *dev, struct file *file) struct ff_device *ff = dev->ff; int i; - debug("flushing now"); + pr_debug("flushing now\n"); mutex_lock(&ff->mutex); @@ -315,8 +315,7 @@ int input_ff_create(struct input_dev *dev, int max_effects) int i; if (!max_effects) { - printk(KERN_ERR - "ff-core: cannot allocate device without any effects\n"); + pr_err("cannot allocate device without any effects\n"); return -EINVAL; } diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index 1d881c96ba8..117a59aaa70 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -23,7 +23,7 @@ /* #define DEBUG */ -#define debug(format, arg...) pr_debug("ff-memless: " format "\n", ## arg) +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/slab.h> #include <linux/input.h> @@ -129,7 +129,7 @@ static void ml_schedule_timer(struct ml_device *ml) int events = 0; int i; - debug("calculating next timer"); + pr_debug("calculating next timer\n"); for (i = 0; i < FF_MEMLESS_EFFECTS; i++) { @@ -149,10 +149,10 @@ static void ml_schedule_timer(struct ml_device *ml) } if (!events) { - debug("no actions"); + pr_debug("no actions\n"); del_timer(&ml->timer); } else { - debug("timer set"); + pr_debug("timer set\n"); mod_timer(&ml->timer, earliest); } } @@ -173,8 +173,8 @@ static int apply_envelope(struct ml_effect_state *state, int value, if (envelope->attack_length && time_before(now, state->play_at + msecs_to_jiffies(envelope->attack_length))) { - debug("value = 0x%x, attack_level = 0x%x", value, - envelope->attack_level); + pr_debug("value = 0x%x, attack_level = 0x%x\n", + value, envelope->attack_level); time_from_level = jiffies_to_msecs(now - state->play_at); time_of_envelope = envelope->attack_length; envelope_level = min_t(__s16, envelope->attack_level, 0x7fff); @@ -191,13 +191,13 @@ static int apply_envelope(struct ml_effect_state *state, int value, difference = abs(value) - envelope_level; - debug("difference = %d", difference); - debug("time_from_level = 0x%x", time_from_level); - debug("time_of_envelope = 0x%x", time_of_envelope); + pr_debug("difference = %d\n", difference); + pr_debug("time_from_level = 0x%x\n", time_from_level); + pr_debug("time_of_envelope = 0x%x\n", time_of_envelope); difference = difference * time_from_level / time_of_envelope; - debug("difference = %d", difference); + pr_debug("difference = %d\n", difference); return value < 0 ? -(difference + envelope_level) : (difference + envelope_level); @@ -215,8 +215,7 @@ static int get_compatible_type(struct ff_device *ff, int effect_type) if (effect_type == FF_PERIODIC && test_bit(FF_RUMBLE, ff->ffbit)) return FF_RUMBLE; - printk(KERN_ERR - "ff-memless: invalid type in get_compatible_type()\n"); + pr_err("invalid type in get_compatible_type()\n"); return 0; } @@ -312,7 +311,7 @@ static void ml_combine_effects(struct ff_effect *effect, break; default: - printk(KERN_ERR "ff-memless: invalid type in ml_combine_effects()\n"); + pr_err("invalid type in ml_combine_effects()\n"); break; } @@ -406,7 +405,7 @@ static void ml_effect_timer(unsigned long timer_data) struct ml_device *ml = dev->ff->private; unsigned long flags; - debug("timer: updating effects"); + pr_debug("timer: updating effects\n"); spin_lock_irqsave(&dev->event_lock, flags); ml_play_effects(ml); @@ -438,7 +437,7 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value) struct ml_effect_state *state = &ml->states[effect_id]; if (value > 0) { - debug("initiated play"); + pr_debug("initiated play\n"); __set_bit(FF_EFFECT_STARTED, &state->flags); state->count = value; @@ -449,7 +448,7 @@ static int ml_ff_playback(struct input_dev *dev, int effect_id, int value) state->adj_at = state->play_at; } else { - debug("initiated stop"); + pr_debug("initiated stop\n"); if (test_bit(FF_EFFECT_PLAYING, &state->flags)) __set_bit(FF_EFFECT_ABORTING, &state->flags); diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index 46239e47a26..23cf8fc933e 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -18,13 +18,11 @@ #include <linux/ioport.h> #include <linux/init.h> #include <linux/gameport.h> -#include <linux/wait.h> #include <linux/slab.h> #include <linux/delay.h> -#include <linux/kthread.h> +#include <linux/workqueue.h> #include <linux/sched.h> /* HZ */ #include <linux/mutex.h> -#include <linux/freezer.h> /*#include <asm/io.h>*/ @@ -123,7 +121,7 @@ static int gameport_measure_speed(struct gameport *gameport) } gameport_close(gameport); - return (cpu_data(raw_smp_processor_id()).loops_per_jiffy * + return (this_cpu_read(cpu_info.loops_per_jiffy) * (unsigned long)HZ / (1000 / 50)) / (tx < 1 ? 1 : tx); #else @@ -234,58 +232,22 @@ struct gameport_event { static DEFINE_SPINLOCK(gameport_event_lock); /* protects gameport_event_list */ static LIST_HEAD(gameport_event_list); -static DECLARE_WAIT_QUEUE_HEAD(gameport_wait); -static struct task_struct *gameport_task; -static int gameport_queue_event(void *object, struct module *owner, - enum gameport_event_type event_type) +static struct gameport_event *gameport_get_event(void) { + struct gameport_event *event = NULL; unsigned long flags; - struct gameport_event *event; - int retval = 0; spin_lock_irqsave(&gameport_event_lock, flags); - /* - * Scan event list for the other events for the same gameport port, - * starting with the most recent one. If event is the same we - * do not need add new one. If event is of different type we - * need to add this event and should not look further because - * we need to preseve sequence of distinct events. - */ - list_for_each_entry_reverse(event, &gameport_event_list, node) { - if (event->object == object) { - if (event->type == event_type) - goto out; - break; - } - } - - event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC); - if (!event) { - pr_err("Not enough memory to queue event %d\n", event_type); - retval = -ENOMEM; - goto out; - } - - if (!try_module_get(owner)) { - pr_warning("Can't get module reference, dropping event %d\n", - event_type); - kfree(event); - retval = -EINVAL; - goto out; + if (!list_empty(&gameport_event_list)) { + event = list_first_entry(&gameport_event_list, + struct gameport_event, node); + list_del_init(&event->node); } - event->type = event_type; - event->object = object; - event->owner = owner; - - list_add_tail(&event->node, &gameport_event_list); - wake_up(&gameport_wait); - -out: spin_unlock_irqrestore(&gameport_event_lock, flags); - return retval; + return event; } static void gameport_free_event(struct gameport_event *event) @@ -319,24 +281,8 @@ static void gameport_remove_duplicate_events(struct gameport_event *event) spin_unlock_irqrestore(&gameport_event_lock, flags); } -static struct gameport_event *gameport_get_event(void) -{ - struct gameport_event *event = NULL; - unsigned long flags; - - spin_lock_irqsave(&gameport_event_lock, flags); - - if (!list_empty(&gameport_event_list)) { - event = list_first_entry(&gameport_event_list, - struct gameport_event, node); - list_del_init(&event->node); - } - - spin_unlock_irqrestore(&gameport_event_lock, flags); - return event; -} -static void gameport_handle_event(void) +static void gameport_handle_events(struct work_struct *work) { struct gameport_event *event; @@ -368,6 +314,59 @@ static void gameport_handle_event(void) mutex_unlock(&gameport_mutex); } +static DECLARE_WORK(gameport_event_work, gameport_handle_events); + +static int gameport_queue_event(void *object, struct module *owner, + enum gameport_event_type event_type) +{ + unsigned long flags; + struct gameport_event *event; + int retval = 0; + + spin_lock_irqsave(&gameport_event_lock, flags); + + /* + * Scan event list for the other events for the same gameport port, + * starting with the most recent one. If event is the same we + * do not need add new one. If event is of different type we + * need to add this event and should not look further because + * we need to preserve sequence of distinct events. + */ + list_for_each_entry_reverse(event, &gameport_event_list, node) { + if (event->object == object) { + if (event->type == event_type) + goto out; + break; + } + } + + event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC); + if (!event) { + pr_err("Not enough memory to queue event %d\n", event_type); + retval = -ENOMEM; + goto out; + } + + if (!try_module_get(owner)) { + pr_warning("Can't get module reference, dropping event %d\n", + event_type); + kfree(event); + retval = -EINVAL; + goto out; + } + + event->type = event_type; + event->object = object; + event->owner = owner; + + list_add_tail(&event->node, &gameport_event_list); + schedule_work(&gameport_event_work); + +out: + spin_unlock_irqrestore(&gameport_event_lock, flags); + return retval; +} + /* * Remove all events that have been submitted for a given object, * be it a gameport port or a driver. @@ -419,19 +418,6 @@ static struct gameport *gameport_get_pending_child(struct gameport *parent) return child; } -static int gameport_thread(void *nothing) -{ - set_freezable(); - do { - gameport_handle_event(); - wait_event_freezable(gameport_wait, - kthread_should_stop() || !list_empty(&gameport_event_list)); - } while (!kthread_should_stop()); - - return 0; -} - - /* * Gameport port operations */ @@ -814,13 +800,6 @@ static int __init gameport_init(void) return error; } - gameport_task = kthread_run(gameport_thread, NULL, "kgameportd"); - if (IS_ERR(gameport_task)) { - bus_unregister(&gameport_bus); - error = PTR_ERR(gameport_task); - pr_err("Failed to start kgameportd, error: %d\n", error); - return error; - } return 0; } @@ -828,7 +807,12 @@ static int __init gameport_init(void) static void __exit gameport_exit(void) { bus_unregister(&gameport_bus); - kthread_stop(gameport_task); + + /* + * There should not be any outstanding events but work may + * still be scheduled so simply cancel it. + */ + cancel_work_sync(&gameport_event_work); } subsys_initcall(gameport_init); diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c new file mode 100644 index 00000000000..c48c81f0308 --- /dev/null +++ b/drivers/input/input-mt.c @@ -0,0 +1,170 @@ +/* + * Input Multitouch Library + * + * Copyright (c) 2008-2010 Henrik Rydberg + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +#include <linux/input/mt.h> +#include <linux/slab.h> + +#define TRKID_SGN ((TRKID_MAX + 1) >> 1) + +/** + * input_mt_init_slots() - initialize MT input slots + * @dev: input device supporting MT events and finger tracking + * @num_slots: number of slots used by the device + * + * This function allocates all necessary memory for MT slot handling + * in the input device, prepares the ABS_MT_SLOT and + * ABS_MT_TRACKING_ID events for use and sets up appropriate buffers. + * May be called repeatedly. Returns -EINVAL if attempting to + * reinitialize with a different number of slots. + */ +int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots) +{ + int i; + + if (!num_slots) + return 0; + if (dev->mt) + return dev->mtsize != num_slots ? -EINVAL : 0; + + dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL); + if (!dev->mt) + return -ENOMEM; + + dev->mtsize = num_slots; + input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0); + input_set_abs_params(dev, ABS_MT_TRACKING_ID, 0, TRKID_MAX, 0, 0); + input_set_events_per_packet(dev, 6 * num_slots); + + /* Mark slots as 'unused' */ + for (i = 0; i < num_slots; i++) + input_mt_set_value(&dev->mt[i], ABS_MT_TRACKING_ID, -1); + + return 0; +} +EXPORT_SYMBOL(input_mt_init_slots); + +/** + * input_mt_destroy_slots() - frees the MT slots of the input device + * @dev: input device with allocated MT slots + * + * This function is only needed in error path as the input core will + * automatically free the MT slots when the device is destroyed. + */ +void input_mt_destroy_slots(struct input_dev *dev) +{ + kfree(dev->mt); + dev->mt = NULL; + dev->mtsize = 0; + dev->slot = 0; + dev->trkid = 0; +} +EXPORT_SYMBOL(input_mt_destroy_slots); + +/** + * input_mt_report_slot_state() - report contact state + * @dev: input device with allocated MT slots + * @tool_type: the tool type to use in this slot + * @active: true if contact is active, false otherwise + * + * Reports a contact via ABS_MT_TRACKING_ID, and optionally + * ABS_MT_TOOL_TYPE. If active is true and the slot is currently + * inactive, or if the tool type is changed, a new tracking id is + * assigned to the slot. The tool type is only reported if the + * corresponding absbit field is set. + */ +void input_mt_report_slot_state(struct input_dev *dev, + unsigned int tool_type, bool active) +{ + struct input_mt_slot *mt; + int id; + + if (!dev->mt || !active) { + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); + return; + } + + mt = &dev->mt[dev->slot]; + id = input_mt_get_value(mt, ABS_MT_TRACKING_ID); + if (id < 0 || input_mt_get_value(mt, ABS_MT_TOOL_TYPE) != tool_type) + id = input_mt_new_trkid(dev); + + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id); + input_event(dev, EV_ABS, ABS_MT_TOOL_TYPE, tool_type); +} +EXPORT_SYMBOL(input_mt_report_slot_state); + +/** + * input_mt_report_finger_count() - report contact count + * @dev: input device with allocated MT slots + * @count: the number of contacts + * + * Reports the contact count via BTN_TOOL_FINGER, BTN_TOOL_DOUBLETAP, + * BTN_TOOL_TRIPLETAP and BTN_TOOL_QUADTAP. + * + * The input core ensures only the KEY events already setup for + * this device will produce output. + */ +void input_mt_report_finger_count(struct input_dev *dev, int count) +{ + input_event(dev, EV_KEY, BTN_TOOL_FINGER, count == 1); + input_event(dev, EV_KEY, BTN_TOOL_DOUBLETAP, count == 2); + input_event(dev, EV_KEY, BTN_TOOL_TRIPLETAP, count == 3); + input_event(dev, EV_KEY, BTN_TOOL_QUADTAP, count == 4); +} +EXPORT_SYMBOL(input_mt_report_finger_count); + +/** + * input_mt_report_pointer_emulation() - common pointer emulation + * @dev: input device with allocated MT slots + * @use_count: report number of active contacts as finger count + * + * Performs legacy pointer emulation via BTN_TOUCH, ABS_X, ABS_Y and + * ABS_PRESSURE. Touchpad finger count is emulated if use_count is true. + * + * The input core ensures only the KEY and ABS axes already setup for + * this device will produce output. + */ +void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count) +{ + struct input_mt_slot *oldest = 0; + int oldid = dev->trkid; + int count = 0; + int i; + + for (i = 0; i < dev->mtsize; ++i) { + struct input_mt_slot *ps = &dev->mt[i]; + int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); + + if (id < 0) + continue; + if ((id - oldid) & TRKID_SGN) { + oldest = ps; + oldid = id; + } + count++; + } + + input_event(dev, EV_KEY, BTN_TOUCH, count > 0); + if (use_count) + input_mt_report_finger_count(dev, count); + + if (oldest) { + int x = input_mt_get_value(oldest, ABS_MT_POSITION_X); + int y = input_mt_get_value(oldest, ABS_MT_POSITION_Y); + int p = input_mt_get_value(oldest, ABS_MT_PRESSURE); + + input_event(dev, EV_ABS, ABS_X, x); + input_event(dev, EV_ABS, ABS_Y, y); + input_event(dev, EV_ABS, ABS_PRESSURE, p); + } else { + input_event(dev, EV_ABS, ABS_PRESSURE, 0); + } +} +EXPORT_SYMBOL(input_mt_report_pointer_emulation); diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c index 10c9b0a845f..0559e309bac 100644 --- a/drivers/input/input-polldev.c +++ b/drivers/input/input-polldev.c @@ -8,6 +8,8 @@ * the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/jiffies.h> #include <linux/slab.h> #include <linux/mutex.h> @@ -33,8 +35,7 @@ static int input_polldev_start_workqueue(void) if (!polldev_users) { polldev_wq = create_singlethread_workqueue("ipolldevd"); if (!polldev_wq) { - printk(KERN_ERR "input-polldev: failed to create " - "ipolldevd workqueue\n"); + pr_err("failed to create ipolldevd workqueue\n"); retval = -ENOMEM; goto out; } diff --git a/drivers/input/input.c b/drivers/input/input.c index db409d6bd5d..11905b6a302 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -10,9 +10,11 @@ * the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_BASENAME ": " fmt + #include <linux/init.h> #include <linux/types.h> -#include <linux/input.h> +#include <linux/input/mt.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/random.h> @@ -73,7 +75,6 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz) * dev->event_lock held and interrupts disabled. */ static void input_pass_event(struct input_dev *dev, - struct input_handler *src_handler, unsigned int type, unsigned int code, int value) { struct input_handler *handler; @@ -92,15 +93,6 @@ static void input_pass_event(struct input_dev *dev, continue; handler = handle->handler; - - /* - * If this is the handler that injected this - * particular event we want to skip it to avoid - * filters firing again and again. - */ - if (handler == src_handler) - continue; - if (!handler->filter) { if (filtered) break; @@ -130,7 +122,7 @@ static void input_repeat_key(unsigned long data) if (test_bit(dev->repeat_key, dev->key) && is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) { - input_pass_event(dev, NULL, EV_KEY, dev->repeat_key, 2); + input_pass_event(dev, EV_KEY, dev->repeat_key, 2); if (dev->sync) { /* @@ -139,7 +131,7 @@ static void input_repeat_key(unsigned long data) * Otherwise assume that the driver will send * SYN_REPORT once it's done. */ - input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, EV_SYN, SYN_REPORT, 1); } if (dev->rep[REP_PERIOD]) @@ -172,7 +164,6 @@ static void input_stop_autorepeat(struct input_dev *dev) #define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE) static int input_handle_abs_event(struct input_dev *dev, - struct input_handler *src_handler, unsigned int code, int *pval) { bool is_mt_event; @@ -216,15 +207,13 @@ static int input_handle_abs_event(struct input_dev *dev, /* Flush pending "slot" event */ if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { input_abs_set_val(dev, ABS_MT_SLOT, dev->slot); - input_pass_event(dev, src_handler, - EV_ABS, ABS_MT_SLOT, dev->slot); + input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot); } return INPUT_PASS_TO_HANDLERS; } static void input_handle_event(struct input_dev *dev, - struct input_handler *src_handler, unsigned int type, unsigned int code, int value) { int disposition = INPUT_IGNORE_EVENT; @@ -277,8 +266,7 @@ static void input_handle_event(struct input_dev *dev, case EV_ABS: if (is_event_supported(code, dev->absbit, ABS_MAX)) - disposition = input_handle_abs_event(dev, src_handler, - code, &value); + disposition = input_handle_abs_event(dev, code, &value); break; @@ -336,7 +324,7 @@ static void input_handle_event(struct input_dev *dev, dev->event(dev, type, code, value); if (disposition & INPUT_PASS_TO_HANDLERS) - input_pass_event(dev, src_handler, type, code, value); + input_pass_event(dev, type, code, value); } /** @@ -365,7 +353,7 @@ void input_event(struct input_dev *dev, spin_lock_irqsave(&dev->event_lock, flags); add_input_randomness(type, code, value); - input_handle_event(dev, NULL, type, code, value); + input_handle_event(dev, type, code, value); spin_unlock_irqrestore(&dev->event_lock, flags); } } @@ -395,8 +383,7 @@ void input_inject_event(struct input_handle *handle, rcu_read_lock(); grab = rcu_dereference(dev->grab); if (!grab || grab == handle) - input_handle_event(dev, handle->handler, - type, code, value); + input_handle_event(dev, type, code, value); rcu_read_unlock(); spin_unlock_irqrestore(&dev->event_lock, flags); @@ -609,10 +596,10 @@ static void input_dev_release_keys(struct input_dev *dev) for (code = 0; code <= KEY_MAX; code++) { if (is_event_supported(code, dev->keybit, KEY_MAX) && __test_and_clear_bit(code, dev->key)) { - input_pass_event(dev, NULL, EV_KEY, code, 0); + input_pass_event(dev, EV_KEY, code, 0); } } - input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, EV_SYN, SYN_REPORT, 1); } } @@ -887,9 +874,9 @@ int input_set_keycode(struct input_dev *dev, !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && __test_and_clear_bit(old_keycode, dev->key)) { - input_pass_event(dev, NULL, EV_KEY, old_keycode, 0); + input_pass_event(dev, EV_KEY, old_keycode, 0); if (dev->sync) - input_pass_event(dev, NULL, EV_SYN, SYN_REPORT, 1); + input_pass_event(dev, EV_SYN, SYN_REPORT, 1); } out: @@ -958,10 +945,8 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han error = handler->connect(handler, dev, id); if (error && error != -ENODEV) - printk(KERN_ERR - "input: failed to attach handler %s to device %s, " - "error: %d\n", - handler->name, kobject_name(&dev->dev.kobj), error); + pr_err("failed to attach handler %s to device %s, error: %d\n", + handler->name, kobject_name(&dev->dev.kobj), error); return error; } @@ -1109,6 +1094,8 @@ static int input_devices_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%s ", handle->name); seq_putc(seq, '\n'); + input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX); + input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX); if (test_bit(EV_KEY, dev->evbit)) input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX); @@ -1332,11 +1319,26 @@ static ssize_t input_dev_show_modalias(struct device *dev, } static DEVICE_ATTR(modalias, S_IRUGO, input_dev_show_modalias, NULL); +static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap, + int max, int add_cr); + +static ssize_t input_dev_show_properties(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct input_dev *input_dev = to_input_dev(dev); + int len = input_print_bitmap(buf, PAGE_SIZE, input_dev->propbit, + INPUT_PROP_MAX, true); + return min_t(int, len, PAGE_SIZE); +} +static DEVICE_ATTR(properties, S_IRUGO, input_dev_show_properties, NULL); + static struct attribute *input_dev_attrs[] = { &dev_attr_name.attr, &dev_attr_phys.attr, &dev_attr_uniq.attr, &dev_attr_modalias.attr, + &dev_attr_properties.attr, NULL }; @@ -1470,7 +1472,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env, { int len; - if (add_uevent_var(env, "%s=", name)) + if (add_uevent_var(env, "%s", name)) return -ENOMEM; len = input_print_bitmap(&env->buf[env->buflen - 1], @@ -1536,6 +1538,8 @@ static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env) if (dev->uniq) INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq); + INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX); + INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX); if (test_bit(EV_KEY, dev->evbit)) INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX); @@ -1725,52 +1729,6 @@ void input_free_device(struct input_dev *dev) EXPORT_SYMBOL(input_free_device); /** - * input_mt_create_slots() - create MT input slots - * @dev: input device supporting MT events and finger tracking - * @num_slots: number of slots used by the device - * - * This function allocates all necessary memory for MT slot handling in the - * input device, and adds ABS_MT_SLOT to the device capabilities. All slots - * are initially marked as unused by setting ABS_MT_TRACKING_ID to -1. - */ -int input_mt_create_slots(struct input_dev *dev, unsigned int num_slots) -{ - int i; - - if (!num_slots) - return 0; - - dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL); - if (!dev->mt) - return -ENOMEM; - - dev->mtsize = num_slots; - input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0); - - /* Mark slots as 'unused' */ - for (i = 0; i < num_slots; i++) - dev->mt[i].abs[ABS_MT_TRACKING_ID - ABS_MT_FIRST] = -1; - - return 0; -} -EXPORT_SYMBOL(input_mt_create_slots); - -/** - * input_mt_destroy_slots() - frees the MT slots of the input device - * @dev: input device with allocated MT slots - * - * This function is only needed in error path as the input core will - * automatically free the MT slots when the device is destroyed. - */ -void input_mt_destroy_slots(struct input_dev *dev) -{ - kfree(dev->mt); - dev->mt = NULL; - dev->mtsize = 0; -} -EXPORT_SYMBOL(input_mt_destroy_slots); - -/** * input_set_capability - mark device as capable of a certain event * @dev: device that is capable of emitting or accepting event * @type: type of the event (EV_KEY, EV_REL, etc...) @@ -1819,9 +1777,8 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int break; default: - printk(KERN_ERR - "input_set_capability: unknown type %u (code %u)\n", - type, code); + pr_err("input_set_capability: unknown type %u (code %u)\n", + type, code); dump_stack(); return; } @@ -1903,8 +1860,9 @@ int input_register_device(struct input_dev *dev) return error; path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); - printk(KERN_INFO "input: %s as %s\n", - dev->name ? dev->name : "Unspecified device", path ? path : "N/A"); + pr_info("%s as %s\n", + dev->name ? dev->name : "Unspecified device", + path ? path : "N/A"); kfree(path); error = mutex_lock_interruptible(&input_mutex); @@ -2186,7 +2144,7 @@ static int __init input_init(void) err = class_register(&input_class); if (err) { - printk(KERN_ERR "input: unable to register input_dev class\n"); + pr_err("unable to register input_dev class\n"); return err; } @@ -2196,7 +2154,7 @@ static int __init input_init(void) err = register_chrdev(INPUT_MAJOR, "input", &input_fops); if (err) { - printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR); + pr_err("unable to register char major %d", INPUT_MAJOR); goto fail2; } diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c index 9d424cebfd2..3182c9cd1b0 100644 --- a/drivers/input/joydev.c +++ b/drivers/input/joydev.c @@ -10,6 +10,8 @@ * (at your option) any later version. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <asm/io.h> #include <asm/system.h> #include <linux/delay.h> @@ -806,7 +808,7 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev, break; if (minor == JOYDEV_MINORS) { - printk(KERN_ERR "joydev: no more free joydev devices\n"); + pr_err("no more free joydev devices\n"); return -ENFILE; } diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig index 5b596165b57..56eb471b557 100644 --- a/drivers/input/joystick/Kconfig +++ b/drivers/input/joystick/Kconfig @@ -255,6 +255,16 @@ config JOYSTICK_AMIGA To compile this driver as a module, choose M here: the module will be called amijoy. +config JOYSTICK_AS5011 + tristate "Austria Microsystem AS5011 joystick" + depends on I2C + help + Say Y here if you have an AS5011 digital joystick connected to your + system. + + To compile this driver as a module, choose M here: the + module will be called as5011. + config JOYSTICK_JOYDUMP tristate "Gameport data dumper" select GAMEPORT diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile index f3a8cbe2abb..92dc0de9dfe 100644 --- a/drivers/input/joystick/Makefile +++ b/drivers/input/joystick/Makefile @@ -7,6 +7,7 @@ obj-$(CONFIG_JOYSTICK_A3D) += a3d.o obj-$(CONFIG_JOYSTICK_ADI) += adi.o obj-$(CONFIG_JOYSTICK_AMIGA) += amijoy.o +obj-$(CONFIG_JOYSTICK_AS5011) += as5011.o obj-$(CONFIG_JOYSTICK_ANALOG) += analog.o obj-$(CONFIG_JOYSTICK_COBRA) += cobra.o obj-$(CONFIG_JOYSTICK_DB9) += db9.o diff --git a/drivers/input/joystick/as5011.c b/drivers/input/joystick/as5011.c new file mode 100644 index 00000000000..f6732b57ca0 --- /dev/null +++ b/drivers/input/joystick/as5011.c @@ -0,0 +1,367 @@ +/* + * Copyright (c) 2010, 2011 Fabien Marteau <fabien.marteau@armadeus.com> + * Sponsored by ARMadeus Systems + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Driver for Austria Microsystems joysticks AS5011 + * + * TODO: + * - Power on the chip when open() and power down when close() + * - Manage power mode + */ + +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/input/as5011.h> +#include <linux/slab.h> + +#define DRIVER_DESC "Driver for Austria Microsystems AS5011 joystick" +#define MODULE_DEVICE_ALIAS "as5011" + +MODULE_AUTHOR("Fabien Marteau <fabien.marteau@armadeus.com>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* registers */ +#define AS5011_CTRL1 0x76 +#define AS5011_CTRL2 0x75 +#define AS5011_XP 0x43 +#define AS5011_XN 0x44 +#define AS5011_YP 0x53 +#define AS5011_YN 0x54 +#define AS5011_X_REG 0x41 +#define AS5011_Y_REG 0x42 +#define AS5011_X_RES_INT 0x51 +#define AS5011_Y_RES_INT 0x52 + +/* CTRL1 bits */ +#define AS5011_CTRL1_LP_PULSED 0x80 +#define AS5011_CTRL1_LP_ACTIVE 0x40 +#define AS5011_CTRL1_LP_CONTINUE 0x20 +#define AS5011_CTRL1_INT_WUP_EN 0x10 +#define AS5011_CTRL1_INT_ACT_EN 0x08 +#define AS5011_CTRL1_EXT_CLK_EN 0x04 +#define AS5011_CTRL1_SOFT_RST 0x02 +#define AS5011_CTRL1_DATA_VALID 0x01 + +/* CTRL2 bits */ +#define AS5011_CTRL2_EXT_SAMPLE_EN 0x08 +#define AS5011_CTRL2_RC_BIAS_ON 0x04 +#define AS5011_CTRL2_INV_SPINNING 0x02 + +#define AS5011_MAX_AXIS 80 +#define AS5011_MIN_AXIS (-80) +#define AS5011_FUZZ 8 +#define AS5011_FLAT 40 + +struct as5011_device { + struct input_dev *input_dev; + struct i2c_client *i2c_client; + unsigned int button_gpio; + unsigned int button_irq; + unsigned int axis_irq; +}; + +static int as5011_i2c_write(struct i2c_client *client, + uint8_t aregaddr, + uint8_t avalue) +{ + uint8_t data[2] = { aregaddr, avalue }; + struct i2c_msg msg = { + client->addr, I2C_M_IGNORE_NAK, 2, (uint8_t *)data + }; + int error; + + error = i2c_transfer(client->adapter, &msg, 1); + return error < 0 ? error : 0; +} + +static int as5011_i2c_read(struct i2c_client *client, + uint8_t aregaddr, signed char *value) +{ + uint8_t data[2] = { aregaddr }; + struct i2c_msg msg_set[2] = { + { client->addr, I2C_M_REV_DIR_ADDR, 1, (uint8_t *)data }, + { client->addr, I2C_M_RD | I2C_M_NOSTART, 1, (uint8_t *)data } + }; + int error; + + error = i2c_transfer(client->adapter, msg_set, 2); + if (error < 0) + return error; + + *value = data[0] & 0x80 ? -1 * (1 + ~data[0]) : data[0]; + return 0; +} + +static irqreturn_t as5011_button_interrupt(int irq, void *dev_id) +{ + struct as5011_device *as5011 = dev_id; + int val = gpio_get_value_cansleep(as5011->button_gpio); + + input_report_key(as5011->input_dev, BTN_JOYSTICK, !val); + input_sync(as5011->input_dev); + + return IRQ_HANDLED; +} + +static irqreturn_t as5011_axis_interrupt(int irq, void *dev_id) +{ + struct as5011_device *as5011 = dev_id; + int error; + signed char x, y; + + error = as5011_i2c_read(as5011->i2c_client, AS5011_X_RES_INT, &x); + if (error < 0) + goto out; + + error = as5011_i2c_read(as5011->i2c_client, AS5011_Y_RES_INT, &y); + if (error < 0) + goto out; + + input_report_abs(as5011->input_dev, ABS_X, x); + input_report_abs(as5011->input_dev, ABS_Y, y); + input_sync(as5011->input_dev); + +out: + return IRQ_HANDLED; +} + +static int __devinit as5011_configure_chip(struct as5011_device *as5011, + const struct as5011_platform_data *plat_dat) +{ + struct i2c_client *client = as5011->i2c_client; + int error; + signed char value; + + /* chip soft reset */ + error = as5011_i2c_write(client, AS5011_CTRL1, + AS5011_CTRL1_SOFT_RST); + if (error < 0) { + dev_err(&client->dev, "Soft reset failed\n"); + return error; + } + + mdelay(10); + + error = as5011_i2c_write(client, AS5011_CTRL1, + AS5011_CTRL1_LP_PULSED | + AS5011_CTRL1_LP_ACTIVE | + AS5011_CTRL1_INT_ACT_EN); + if (error < 0) { + dev_err(&client->dev, "Power config failed\n"); + return error; + } + + error = as5011_i2c_write(client, AS5011_CTRL2, + AS5011_CTRL2_INV_SPINNING); + if (error < 0) { + dev_err(&client->dev, "Can't invert spinning\n"); + return error; + } + + /* write threshold */ + error = as5011_i2c_write(client, AS5011_XP, plat_dat->xp); + if (error < 0) { + dev_err(&client->dev, "Can't write threshold\n"); + return error; + } + + error = as5011_i2c_write(client, AS5011_XN, plat_dat->xn); + if (error < 0) { + dev_err(&client->dev, "Can't write threshold\n"); + return error; + } + + error = as5011_i2c_write(client, AS5011_YP, plat_dat->yp); + if (error < 0) { + dev_err(&client->dev, "Can't write threshold\n"); + return error; + } + + error = as5011_i2c_write(client, AS5011_YN, plat_dat->yn); + if (error < 0) { + dev_err(&client->dev, "Can't write threshold\n"); + return error; + } + + /* to free irq gpio in chip */ + error = as5011_i2c_read(client, AS5011_X_RES_INT, &value); + if (error < 0) { + dev_err(&client->dev, "Can't read i2c X resolution value\n"); + return error; + } + + return 0; +} + +static int __devinit as5011_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + const struct as5011_platform_data *plat_data; + struct as5011_device *as5011; + struct input_dev *input_dev; + int irq; + int error; + + plat_data = client->dev.platform_data; + if (!plat_data) + return -EINVAL; + + if (!plat_data->axis_irq) { + dev_err(&client->dev, "No axis IRQ?\n"); + return -EINVAL; + } + + if (!i2c_check_functionality(client->adapter, + I2C_FUNC_PROTOCOL_MANGLING)) { + dev_err(&client->dev, + "need i2c bus that supports protocol mangling\n"); + return -ENODEV; + } + + as5011 = kmalloc(sizeof(struct as5011_device), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!as5011 || !input_dev) { + dev_err(&client->dev, + "Can't allocate memory for device structure\n"); + error = -ENOMEM; + goto err_free_mem; + } + + as5011->i2c_client = client; + as5011->input_dev = input_dev; + as5011->button_gpio = plat_data->button_gpio; + as5011->axis_irq = plat_data->axis_irq; + + input_dev->name = "Austria Microsystem as5011 joystick"; + input_dev->id.bustype = BUS_I2C; + input_dev->dev.parent = &client->dev; + + __set_bit(EV_KEY, input_dev->evbit); + __set_bit(EV_ABS, input_dev->evbit); + __set_bit(BTN_JOYSTICK, input_dev->keybit); + + input_set_abs_params(input_dev, ABS_X, + AS5011_MIN_AXIS, AS5011_MAX_AXIS, AS5011_FUZZ, AS5011_FLAT); + input_set_abs_params(as5011->input_dev, ABS_Y, + AS5011_MIN_AXIS, AS5011_MAX_AXIS, AS5011_FUZZ, AS5011_FLAT); + + error = gpio_request(as5011->button_gpio, "AS5011 button"); + if (error < 0) { + dev_err(&client->dev, "Failed to request button gpio\n"); + goto err_free_mem; + } + + irq = gpio_to_irq(as5011->button_gpio); + if (irq < 0) { + dev_err(&client->dev, + "Failed to get irq number for button gpio\n"); + goto err_free_button_gpio; + } + + as5011->button_irq = irq; + + error = request_threaded_irq(as5011->button_irq, + NULL, as5011_button_interrupt, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "as5011_button", as5011); + if (error < 0) { + dev_err(&client->dev, + "Can't allocate button irq %d\n", as5011->button_irq); + goto err_free_button_gpio; + } + + error = as5011_configure_chip(as5011, plat_data); + if (error) + goto err_free_button_irq; + + error = request_threaded_irq(as5011->axis_irq, NULL, + as5011_axis_interrupt, + plat_data->axis_irqflags, + "as5011_joystick", as5011); + if (error) { + dev_err(&client->dev, + "Can't allocate axis irq %d\n", plat_data->axis_irq); + goto err_free_button_irq; + } + + error = input_register_device(as5011->input_dev); + if (error) { + dev_err(&client->dev, "Failed to register input device\n"); + goto err_free_axis_irq; + } + + i2c_set_clientdata(client, as5011); + + return 0; + +err_free_axis_irq: + free_irq(as5011->axis_irq, as5011); +err_free_button_irq: + free_irq(as5011->button_irq, as5011); +err_free_button_gpio: + gpio_free(as5011->button_gpio); +err_free_mem: + input_free_device(input_dev); + kfree(as5011); + + return error; +} + +static int __devexit as5011_remove(struct i2c_client *client) +{ + struct as5011_device *as5011 = i2c_get_clientdata(client); + + free_irq(as5011->axis_irq, as5011); + free_irq(as5011->button_irq, as5011); + gpio_free(as5011->button_gpio); + + input_unregister_device(as5011->input_dev); + kfree(as5011); + + return 0; +} + +static const struct i2c_device_id as5011_id[] = { + { MODULE_DEVICE_ALIAS, 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, as5011_id); + +static struct i2c_driver as5011_driver = { + .driver = { + .name = "as5011", + }, + .probe = as5011_probe, + .remove = __devexit_p(as5011_remove), + .id_table = as5011_id, +}; + +static int __init as5011_init(void) +{ + return i2c_add_driver(&as5011_driver); +} +module_init(as5011_init); + +static void __exit as5011_exit(void) +{ + i2c_del_driver(&as5011_driver); +} +module_exit(as5011_exit); diff --git a/drivers/input/joystick/iforce/Makefile b/drivers/input/joystick/iforce/Makefile index 74daff49ab6..bc5bda22f15 100644 --- a/drivers/input/joystick/iforce/Makefile +++ b/drivers/input/joystick/iforce/Makefile @@ -4,17 +4,8 @@ # By Johann Deneux <johann.deneux@gmail.com> # -# Goal definition -iforce-objs := iforce-ff.o iforce-main.o iforce-packets.o - obj-$(CONFIG_JOYSTICK_IFORCE) += iforce.o -ifeq ($(CONFIG_JOYSTICK_IFORCE_232),y) - iforce-objs += iforce-serio.o -endif - -ifeq ($(CONFIG_JOYSTICK_IFORCE_USB),y) - iforce-objs += iforce-usb.o -endif - -EXTRA_CFLAGS = -Werror-implicit-function-declaration +iforce-y := iforce-ff.o iforce-main.o iforce-packets.o +iforce-$(CONFIG_JOYSTICK_IFORCE_232) += iforce-serio.o +iforce-$(CONFIG_JOYSTICK_IFORCE_USB) += iforce-usb.o diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c index d53b9e90023..27b6a3ce18c 100644 --- a/drivers/input/joystick/turbografx.c +++ b/drivers/input/joystick/turbografx.c @@ -245,6 +245,7 @@ static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) goto err_free_tgfx; } + parport_put_port(pp); return tgfx; err_free_dev: diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index f9fb7fa10af..56abf3d0e91 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -543,21 +543,25 @@ exit: static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { struct usb_endpoint_descriptor *ep_irq_out; - int error = -ENOMEM; + int error; if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX) return 0; xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->odata_dma); - if (!xpad->odata) + if (!xpad->odata) { + error = -ENOMEM; goto fail1; + } mutex_init(&xpad->odata_mutex); xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); - if (!xpad->irq_out) + if (!xpad->irq_out) { + error = -ENOMEM; goto fail2; + } ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; usb_fill_int_urb(xpad->irq_out, xpad->udev, @@ -728,7 +732,7 @@ static void xpad_led_disconnect(struct usb_xpad *xpad) if (xpad_led) { led_classdev_unregister(&xpad_led->led_cdev); - kfree(xpad_led->name); + kfree(xpad_led); } } #else @@ -756,8 +760,9 @@ static void xpad_close(struct input_dev *dev) { struct usb_xpad *xpad = input_get_drvdata(dev); - if(xpad->xtype != XTYPE_XBOX360W) + if (xpad->xtype != XTYPE_XBOX360W) usb_kill_urb(xpad->irq_in); + xpad_stop_output(xpad); } @@ -789,8 +794,7 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id struct usb_xpad *xpad; struct input_dev *input_dev; struct usb_endpoint_descriptor *ep_irq_in; - int i; - int error = -ENOMEM; + int i, error; for (i = 0; xpad_device[i].idVendor; i++) { if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && @@ -800,17 +804,23 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); input_dev = input_allocate_device(); - if (!xpad || !input_dev) + if (!xpad || !input_dev) { + error = -ENOMEM; goto fail1; + } xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->idata_dma); - if (!xpad->idata) + if (!xpad->idata) { + error = -ENOMEM; goto fail1; + } xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); - if (!xpad->irq_in) + if (!xpad->irq_in) { + error = -ENOMEM; goto fail2; + } xpad->udev = udev; xpad->mapping = xpad_device[i].mapping; @@ -887,15 +897,15 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id error = xpad_init_output(intf, xpad); if (error) - goto fail2; + goto fail3; error = xpad_init_ff(xpad); if (error) - goto fail3; + goto fail4; error = xpad_led_probe(xpad); if (error) - goto fail3; + goto fail5; ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; usb_fill_int_urb(xpad->irq_in, udev, @@ -907,34 +917,26 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id error = input_register_device(xpad->dev); if (error) - goto fail4; + goto fail6; usb_set_intfdata(intf, xpad); - /* - * Submit the int URB immediatly rather than waiting for open - * because we get status messages from the device whether - * or not any controllers are attached. In fact, it's - * exactly the message that a controller has arrived that - * we're waiting for. - */ if (xpad->xtype == XTYPE_XBOX360W) { - xpad->irq_in->dev = xpad->udev; - error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); - if (error) - goto fail4; - /* * Setup the message to set the LEDs on the * controller when it shows up */ xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); - if(!xpad->bulk_out) - goto fail5; + if (!xpad->bulk_out) { + error = -ENOMEM; + goto fail7; + } xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); - if(!xpad->bdata) - goto fail6; + if (!xpad->bdata) { + error = -ENOMEM; + goto fail8; + } xpad->bdata[2] = 0x08; switch (intf->cur_altsetting->desc.bInterfaceNumber) { @@ -955,14 +957,31 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id usb_fill_bulk_urb(xpad->bulk_out, udev, usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); + + /* + * Submit the int URB immediately rather than waiting for open + * because we get status messages from the device whether + * or not any controllers are attached. In fact, it's + * exactly the message that a controller has arrived that + * we're waiting for. + */ + xpad->irq_in->dev = xpad->udev; + error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); + if (error) + goto fail9; } return 0; - fail6: usb_free_urb(xpad->bulk_out); - fail5: usb_kill_urb(xpad->irq_in); - fail4: usb_free_urb(xpad->irq_in); - fail3: xpad_deinit_output(xpad); + fail9: kfree(xpad->bdata); + fail8: usb_free_urb(xpad->bulk_out); + fail7: input_unregister_device(input_dev); + input_dev = NULL; + fail6: xpad_led_disconnect(xpad); + fail5: if (input_dev) + input_ff_destroy(input_dev); + fail4: xpad_deinit_output(xpad); + fail3: usb_free_urb(xpad->irq_in); fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); fail1: input_free_device(input_dev); kfree(xpad); @@ -974,21 +993,24 @@ static void xpad_disconnect(struct usb_interface *intf) { struct usb_xpad *xpad = usb_get_intfdata (intf); - usb_set_intfdata(intf, NULL); - if (xpad) { - xpad_led_disconnect(xpad); - input_unregister_device(xpad->dev); - xpad_deinit_output(xpad); - if (xpad->xtype == XTYPE_XBOX360W) { - usb_kill_urb(xpad->bulk_out); - usb_free_urb(xpad->bulk_out); - usb_kill_urb(xpad->irq_in); - } - usb_free_urb(xpad->irq_in); - usb_free_coherent(xpad->udev, XPAD_PKT_LEN, - xpad->idata, xpad->idata_dma); - kfree(xpad); + xpad_led_disconnect(xpad); + input_unregister_device(xpad->dev); + xpad_deinit_output(xpad); + + if (xpad->xtype == XTYPE_XBOX360W) { + usb_kill_urb(xpad->bulk_out); + usb_free_urb(xpad->bulk_out); + usb_kill_urb(xpad->irq_in); } + + usb_free_urb(xpad->irq_in); + usb_free_coherent(xpad->udev, XPAD_PKT_LEN, + xpad->idata, xpad->idata_dma); + + kfree(xpad->bdata); + kfree(xpad); + + usb_set_intfdata(intf, NULL); } static struct usb_driver xpad_driver = { @@ -1000,10 +1022,7 @@ static struct usb_driver xpad_driver = { static int __init usb_xpad_init(void) { - int result = usb_register(&xpad_driver); - if (result == 0) - printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); - return result; + return usb_register(&xpad_driver); } static void __exit usb_xpad_exit(void) diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index b8c51b9781d..c7a92028f45 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -2,7 +2,7 @@ # Input core configuration # menuconfig INPUT_KEYBOARD - bool "Keyboards" if EMBEDDED || !X86 + bool "Keyboards" if EXPERT || !X86 default y help Say Y here, and a list of supported keyboards will be displayed. @@ -12,18 +12,6 @@ menuconfig INPUT_KEYBOARD if INPUT_KEYBOARD -config KEYBOARD_AAED2000 - tristate "AAED-2000 keyboard" - depends on MACH_AAED2000 - select INPUT_POLLDEV - default y - help - Say Y here to enable the keyboard on the Agilent AAED-2000 - development board. - - To compile this driver as a module, choose M here: the - module will be called aaed2000_kbd. - config KEYBOARD_ADP5520 tristate "Keypad Support for ADP5520 PMIC" depends on PMIC_ADP5520 @@ -69,7 +57,7 @@ config KEYBOARD_ATARI module will be called atakbd. config KEYBOARD_ATKBD - tristate "AT keyboard" if EMBEDDED || !X86 + tristate "AT keyboard" if EXPERT || !X86 default y select SERIO select SERIO_LIBPS2 @@ -179,21 +167,39 @@ config KEYBOARD_GPIO To compile this driver as a module, choose M here: the module will be called gpio_keys. +config KEYBOARD_GPIO_POLLED + tristate "Polled GPIO buttons" + depends on GENERIC_GPIO + select INPUT_POLLDEV + help + This driver implements support for buttons connected + to GPIO pins that are not capable of generating interrupts. + + Say Y here if your device has buttons connected + directly to such GPIO pins. Your board-specific + setup logic must also provide a platform device, + with configuration data saying which GPIOs are used. + + To compile this driver as a module, choose M here: the + module will be called gpio_keys_polled. + config KEYBOARD_TCA6416 - tristate "TCA6416 Keypad Support" + tristate "TCA6416/TCA6408A Keypad Support" depends on I2C help This driver implements basic keypad functionality - for keys connected through TCA6416 IO expander + for keys connected through TCA6416/TCA6408A IO expanders. Say Y here if your device has keys connected to - TCA6416 IO expander. Your board-specific setup logic + TCA6416/TCA6408A IO expander. Your board-specific setup logic must also provide pin-mask details(of which TCA6416 pins are used for keypad). - If enabled the complete TCA6416 device will be managed through + If enabled the entire TCA6416 device will be managed through this driver. + To compile this driver as a module, choose M here: the + module will be called tca6416_keypad. config KEYBOARD_MATRIX tristate "GPIO driven matrix keypad support" @@ -337,6 +343,16 @@ config KEYBOARD_NOMADIK To compile this driver as a module, choose M here: the module will be called nmk-ske-keypad. +config KEYBOARD_TEGRA + tristate "NVIDIA Tegra internal matrix keyboard controller support" + depends on ARCH_TEGRA + help + Say Y here if you want to use a matrix keyboard connected directly + to the internal keyboard controller on Tegra SoCs. + + To compile this driver as a module, choose M here: the + module will be called tegra-kbc. + config KEYBOARD_OPENCORES tristate "OpenCores Keyboard Controller" help @@ -443,6 +459,25 @@ config KEYBOARD_OMAP4 To compile this driver as a module, choose M here: the module will be called omap4-keypad. +config KEYBOARD_SPEAR + tristate "ST SPEAR keyboard support" + depends on PLAT_SPEAR + help + Say Y here if you want to use the SPEAR keyboard. + + To compile this driver as a module, choose M here: the + module will be called spear-keboard. + +config KEYBOARD_TC3589X + tristate "TC3589X Keypad support" + depends on MFD_TC3589X + help + Say Y here if you want to use the keypad controller on + TC35892/3 I/O expander. + + To compile this driver as a module, choose M here: the + module will be called tc3589x-keypad. + config KEYBOARD_TNETV107X tristate "TI TNETV107X keypad support" depends on ARCH_DAVINCI_TNETV107X diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index a34452e8ebe..468c627a284 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -4,7 +4,6 @@ # Each configuration option enables a list of files. -obj-$(CONFIG_KEYBOARD_AAED2000) += aaed2000_kbd.o obj-$(CONFIG_KEYBOARD_ADP5520) += adp5520-keys.o obj-$(CONFIG_KEYBOARD_ADP5588) += adp5588-keys.o obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o @@ -14,6 +13,7 @@ obj-$(CONFIG_KEYBOARD_BFIN) += bf54x-keys.o obj-$(CONFIG_KEYBOARD_DAVINCI) += davinci_keyscan.o obj-$(CONFIG_KEYBOARD_EP93XX) += ep93xx_keypad.o obj-$(CONFIG_KEYBOARD_GPIO) += gpio_keys.o +obj-$(CONFIG_KEYBOARD_GPIO_POLLED) += gpio_keys_polled.o obj-$(CONFIG_KEYBOARD_TCA6416) += tca6416-keypad.o obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o obj-$(CONFIG_KEYBOARD_HIL_OLD) += hilkbd.o @@ -37,9 +37,12 @@ obj-$(CONFIG_KEYBOARD_PXA930_ROTARY) += pxa930_rotary.o obj-$(CONFIG_KEYBOARD_QT2160) += qt2160.o obj-$(CONFIG_KEYBOARD_SAMSUNG) += samsung-keypad.o obj-$(CONFIG_KEYBOARD_SH_KEYSC) += sh_keysc.o +obj-$(CONFIG_KEYBOARD_SPEAR) += spear-keyboard.o obj-$(CONFIG_KEYBOARD_STMPE) += stmpe-keypad.o obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o +obj-$(CONFIG_KEYBOARD_TC3589X) += tc3589x-keypad.o +obj-$(CONFIG_KEYBOARD_TEGRA) += tegra-kbc.o obj-$(CONFIG_KEYBOARD_TNETV107X) += tnetv107x-keypad.o obj-$(CONFIG_KEYBOARD_TWL4030) += twl4030_keypad.o obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o diff --git a/drivers/input/keyboard/aaed2000_kbd.c b/drivers/input/keyboard/aaed2000_kbd.c deleted file mode 100644 index 18222a689a0..00000000000 --- a/drivers/input/keyboard/aaed2000_kbd.c +++ /dev/null @@ -1,186 +0,0 @@ -/* - * Keyboard driver for the AAED-2000 dev board - * - * Copyright (c) 2006 Nicolas Bellido Y Ortega - * - * Based on corgikbd.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - */ - -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/init.h> -#include <linux/input-polldev.h> -#include <linux/interrupt.h> -#include <linux/jiffies.h> -#include <linux/module.h> -#include <linux/slab.h> - -#include <mach/hardware.h> -#include <mach/aaed2000.h> - -#define KB_ROWS 12 -#define KB_COLS 8 -#define KB_ROWMASK(r) (1 << (r)) -#define SCANCODE(r,c) (((c) * KB_ROWS) + (r)) -#define NR_SCANCODES (KB_COLS * KB_ROWS) - -#define SCAN_INTERVAL (50) /* ms */ -#define KB_ACTIVATE_DELAY (20) /* us */ - -static unsigned char aaedkbd_keycode[NR_SCANCODES] = { - KEY_9, KEY_0, KEY_MINUS, KEY_EQUAL, KEY_BACKSPACE, 0, KEY_SPACE, KEY_KP6, 0, KEY_KPDOT, 0, 0, - KEY_K, KEY_M, KEY_O, KEY_DOT, KEY_SLASH, 0, KEY_F, 0, 0, 0, KEY_LEFTSHIFT, 0, - KEY_I, KEY_P, KEY_LEFTBRACE, KEY_RIGHTBRACE, KEY_BACKSLASH, 0, 0, 0, 0, 0, KEY_RIGHTSHIFT, 0, - KEY_8, KEY_L, KEY_SEMICOLON, KEY_APOSTROPHE, KEY_ENTER, 0, 0, 0, 0, 0, 0, 0, - KEY_J, KEY_H, KEY_B, KEY_KP8, KEY_KP4, 0, KEY_C, KEY_D, KEY_S, KEY_A, 0, KEY_CAPSLOCK, - KEY_Y, KEY_U, KEY_N, KEY_T, 0, 0, KEY_R, KEY_E, KEY_W, KEY_Q, 0, KEY_TAB, - KEY_7, KEY_6, KEY_G, 0, KEY_5, 0, KEY_4, KEY_3, KEY_2, KEY_1, 0, KEY_GRAVE, - 0, 0, KEY_COMMA, 0, KEY_KP2, 0, KEY_V, KEY_LEFTALT, KEY_X, KEY_Z, 0, KEY_LEFTCTRL -}; - -struct aaedkbd { - unsigned char keycode[ARRAY_SIZE(aaedkbd_keycode)]; - struct input_polled_dev *poll_dev; - int kbdscan_state[KB_COLS]; - int kbdscan_count[KB_COLS]; -}; - -#define KBDSCAN_STABLE_COUNT 2 - -static void aaedkbd_report_col(struct aaedkbd *aaedkbd, - unsigned int col, unsigned int rowd) -{ - unsigned int scancode, pressed; - unsigned int row; - - for (row = 0; row < KB_ROWS; row++) { - scancode = SCANCODE(row, col); - pressed = rowd & KB_ROWMASK(row); - - input_report_key(aaedkbd->poll_dev->input, - aaedkbd->keycode[scancode], pressed); - } -} - -/* Scan the hardware keyboard and push any changes up through the input layer */ -static void aaedkbd_poll(struct input_polled_dev *dev) -{ - struct aaedkbd *aaedkbd = dev->private; - unsigned int col, rowd; - - col = 0; - do { - AAEC_GPIO_KSCAN = col + 8; - udelay(KB_ACTIVATE_DELAY); - rowd = AAED_EXT_GPIO & AAED_EGPIO_KBD_SCAN; - - if (rowd != aaedkbd->kbdscan_state[col]) { - aaedkbd->kbdscan_count[col] = 0; - aaedkbd->kbdscan_state[col] = rowd; - } else if (++aaedkbd->kbdscan_count[col] >= KBDSCAN_STABLE_COUNT) { - aaedkbd_report_col(aaedkbd, col, rowd); - col++; - } - } while (col < KB_COLS); - - AAEC_GPIO_KSCAN = 0x07; - input_sync(dev->input); -} - -static int __devinit aaedkbd_probe(struct platform_device *pdev) -{ - struct aaedkbd *aaedkbd; - struct input_polled_dev *poll_dev; - struct input_dev *input_dev; - int i; - int error; - - aaedkbd = kzalloc(sizeof(struct aaedkbd), GFP_KERNEL); - poll_dev = input_allocate_polled_device(); - if (!aaedkbd || !poll_dev) { - error = -ENOMEM; - goto fail; - } - - platform_set_drvdata(pdev, aaedkbd); - - aaedkbd->poll_dev = poll_dev; - memcpy(aaedkbd->keycode, aaedkbd_keycode, sizeof(aaedkbd->keycode)); - - poll_dev->private = aaedkbd; - poll_dev->poll = aaedkbd_poll; - poll_dev->poll_interval = SCAN_INTERVAL; - - input_dev = poll_dev->input; - input_dev->name = "AAED-2000 Keyboard"; - input_dev->phys = "aaedkbd/input0"; - input_dev->id.bustype = BUS_HOST; - input_dev->id.vendor = 0x0001; - input_dev->id.product = 0x0001; - input_dev->id.version = 0x0100; - input_dev->dev.parent = &pdev->dev; - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP); - input_dev->keycode = aaedkbd->keycode; - input_dev->keycodesize = sizeof(unsigned char); - input_dev->keycodemax = ARRAY_SIZE(aaedkbd_keycode); - - for (i = 0; i < ARRAY_SIZE(aaedkbd_keycode); i++) - set_bit(aaedkbd->keycode[i], input_dev->keybit); - clear_bit(0, input_dev->keybit); - - error = input_register_polled_device(aaedkbd->poll_dev); - if (error) - goto fail; - - return 0; - - fail: kfree(aaedkbd); - input_free_polled_device(poll_dev); - return error; -} - -static int __devexit aaedkbd_remove(struct platform_device *pdev) -{ - struct aaedkbd *aaedkbd = platform_get_drvdata(pdev); - - input_unregister_polled_device(aaedkbd->poll_dev); - input_free_polled_device(aaedkbd->poll_dev); - kfree(aaedkbd); - - return 0; -} - -/* work with hotplug and coldplug */ -MODULE_ALIAS("platform:aaed2000-keyboard"); - -static struct platform_driver aaedkbd_driver = { - .probe = aaedkbd_probe, - .remove = __devexit_p(aaedkbd_remove), - .driver = { - .name = "aaed2000-keyboard", - .owner = THIS_MODULE, - }, -}; - -static int __init aaedkbd_init(void) -{ - return platform_driver_register(&aaedkbd_driver); -} - -static void __exit aaedkbd_exit(void) -{ - platform_driver_unregister(&aaedkbd_driver); -} - -module_init(aaedkbd_init); -module_exit(aaedkbd_exit); - -MODULE_AUTHOR("Nicolas Bellido Y Ortega"); -MODULE_DESCRIPTION("AAED-2000 Keyboard Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 6069abe31e4..eb3006361ee 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -322,7 +322,7 @@ static void gpio_keys_report_event(struct gpio_button_data *bdata) struct gpio_keys_button *button = bdata->button; struct input_dev *input = bdata->input; unsigned int type = button->type ?: EV_KEY; - int state = (gpio_get_value(button->gpio) ? 1 : 0) ^ button->active_low; + int state = (gpio_get_value_cansleep(button->gpio) ? 1 : 0) ^ button->active_low; input_event(input, type, button->code, !!state); input_sync(input); @@ -410,8 +410,8 @@ static int __devinit gpio_keys_setup_key(struct platform_device *pdev, if (!button->can_disable) irqflags |= IRQF_SHARED; - error = request_irq(irq, gpio_keys_isr, irqflags, desc, bdata); - if (error) { + error = request_any_context_irq(irq, gpio_keys_isr, irqflags, desc, bdata); + if (error < 0) { dev_err(dev, "Unable to claim irq %d; error %d\n", irq, error); goto fail3; diff --git a/drivers/input/keyboard/gpio_keys_polled.c b/drivers/input/keyboard/gpio_keys_polled.c new file mode 100644 index 00000000000..4c17aff2065 --- /dev/null +++ b/drivers/input/keyboard/gpio_keys_polled.c @@ -0,0 +1,261 @@ +/* + * Driver for buttons on GPIO lines not capable of generating interrupts + * + * Copyright (C) 2007-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2010 Nuno Goncalves <nunojpg@gmail.com> + * + * This file was based on: /drivers/input/misc/cobalt_btns.c + * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * + * also was based on: /drivers/input/keyboard/gpio_keys.c + * Copyright 2005 Phil Blundell + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/input-polldev.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/gpio_keys.h> + +#define DRV_NAME "gpio-keys-polled" + +struct gpio_keys_button_data { + int last_state; + int count; + int threshold; + int can_sleep; +}; + +struct gpio_keys_polled_dev { + struct input_polled_dev *poll_dev; + struct device *dev; + struct gpio_keys_platform_data *pdata; + struct gpio_keys_button_data data[0]; +}; + +static void gpio_keys_polled_check_state(struct input_dev *input, + struct gpio_keys_button *button, + struct gpio_keys_button_data *bdata) +{ + int state; + + if (bdata->can_sleep) + state = !!gpio_get_value_cansleep(button->gpio); + else + state = !!gpio_get_value(button->gpio); + + if (state != bdata->last_state) { + unsigned int type = button->type ?: EV_KEY; + + input_event(input, type, button->code, + !!(state ^ button->active_low)); + input_sync(input); + bdata->count = 0; + bdata->last_state = state; + } +} + +static void gpio_keys_polled_poll(struct input_polled_dev *dev) +{ + struct gpio_keys_polled_dev *bdev = dev->private; + struct gpio_keys_platform_data *pdata = bdev->pdata; + struct input_dev *input = dev->input; + int i; + + for (i = 0; i < bdev->pdata->nbuttons; i++) { + struct gpio_keys_button_data *bdata = &bdev->data[i]; + + if (bdata->count < bdata->threshold) + bdata->count++; + else + gpio_keys_polled_check_state(input, &pdata->buttons[i], + bdata); + } +} + +static void gpio_keys_polled_open(struct input_polled_dev *dev) +{ + struct gpio_keys_polled_dev *bdev = dev->private; + struct gpio_keys_platform_data *pdata = bdev->pdata; + + if (pdata->enable) + pdata->enable(bdev->dev); +} + +static void gpio_keys_polled_close(struct input_polled_dev *dev) +{ + struct gpio_keys_polled_dev *bdev = dev->private; + struct gpio_keys_platform_data *pdata = bdev->pdata; + + if (pdata->disable) + pdata->disable(bdev->dev); +} + +static int __devinit gpio_keys_polled_probe(struct platform_device *pdev) +{ + struct gpio_keys_platform_data *pdata = pdev->dev.platform_data; + struct device *dev = &pdev->dev; + struct gpio_keys_polled_dev *bdev; + struct input_polled_dev *poll_dev; + struct input_dev *input; + int error; + int i; + + if (!pdata || !pdata->poll_interval) + return -EINVAL; + + bdev = kzalloc(sizeof(struct gpio_keys_polled_dev) + + pdata->nbuttons * sizeof(struct gpio_keys_button_data), + GFP_KERNEL); + if (!bdev) { + dev_err(dev, "no memory for private data\n"); + return -ENOMEM; + } + + poll_dev = input_allocate_polled_device(); + if (!poll_dev) { + dev_err(dev, "no memory for polled device\n"); + error = -ENOMEM; + goto err_free_bdev; + } + + poll_dev->private = bdev; + poll_dev->poll = gpio_keys_polled_poll; + poll_dev->poll_interval = pdata->poll_interval; + poll_dev->open = gpio_keys_polled_open; + poll_dev->close = gpio_keys_polled_close; + + input = poll_dev->input; + + input->evbit[0] = BIT(EV_KEY); + input->name = pdev->name; + input->phys = DRV_NAME"/input0"; + input->dev.parent = &pdev->dev; + + input->id.bustype = BUS_HOST; + input->id.vendor = 0x0001; + input->id.product = 0x0001; + input->id.version = 0x0100; + + for (i = 0; i < pdata->nbuttons; i++) { + struct gpio_keys_button *button = &pdata->buttons[i]; + struct gpio_keys_button_data *bdata = &bdev->data[i]; + unsigned int gpio = button->gpio; + unsigned int type = button->type ?: EV_KEY; + + if (button->wakeup) { + dev_err(dev, DRV_NAME " does not support wakeup\n"); + error = -EINVAL; + goto err_free_gpio; + } + + error = gpio_request(gpio, + button->desc ? button->desc : DRV_NAME); + if (error) { + dev_err(dev, "unable to claim gpio %u, err=%d\n", + gpio, error); + goto err_free_gpio; + } + + error = gpio_direction_input(gpio); + if (error) { + dev_err(dev, + "unable to set direction on gpio %u, err=%d\n", + gpio, error); + goto err_free_gpio; + } + + bdata->can_sleep = gpio_cansleep(gpio); + bdata->last_state = -1; + bdata->threshold = DIV_ROUND_UP(button->debounce_interval, + pdata->poll_interval); + + input_set_capability(input, type, button->code); + } + + bdev->poll_dev = poll_dev; + bdev->dev = dev; + bdev->pdata = pdata; + platform_set_drvdata(pdev, bdev); + + error = input_register_polled_device(poll_dev); + if (error) { + dev_err(dev, "unable to register polled device, err=%d\n", + error); + goto err_free_gpio; + } + + /* report initial state of the buttons */ + for (i = 0; i < pdata->nbuttons; i++) + gpio_keys_polled_check_state(input, &pdata->buttons[i], + &bdev->data[i]); + + return 0; + +err_free_gpio: + while (--i >= 0) + gpio_free(pdata->buttons[i].gpio); + + input_free_polled_device(poll_dev); + +err_free_bdev: + kfree(bdev); + + platform_set_drvdata(pdev, NULL); + return error; +} + +static int __devexit gpio_keys_polled_remove(struct platform_device *pdev) +{ + struct gpio_keys_polled_dev *bdev = platform_get_drvdata(pdev); + struct gpio_keys_platform_data *pdata = bdev->pdata; + int i; + + input_unregister_polled_device(bdev->poll_dev); + + for (i = 0; i < pdata->nbuttons; i++) + gpio_free(pdata->buttons[i].gpio); + + input_free_polled_device(bdev->poll_dev); + + kfree(bdev); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +static struct platform_driver gpio_keys_polled_driver = { + .probe = gpio_keys_polled_probe, + .remove = __devexit_p(gpio_keys_polled_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init gpio_keys_polled_init(void) +{ + return platform_driver_register(&gpio_keys_polled_driver); +} + +static void __exit gpio_keys_polled_exit(void) +{ + platform_driver_unregister(&gpio_keys_polled_driver); +} + +module_init(gpio_keys_polled_init); +module_exit(gpio_keys_polled_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>"); +MODULE_DESCRIPTION("Polled GPIO Buttons driver"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/drivers/input/keyboard/omap-keypad.c b/drivers/input/keyboard/omap-keypad.c index a72e61ddca9..0e2a19cb43d 100644 --- a/drivers/input/keyboard/omap-keypad.c +++ b/drivers/input/keyboard/omap-keypad.c @@ -65,7 +65,6 @@ struct omap_kp { static DECLARE_TASKLET_DISABLED(kp_tasklet, omap_kp_tasklet, 0); -static int *keymap; static unsigned int *row_gpios; static unsigned int *col_gpios; @@ -162,20 +161,11 @@ static void omap_kp_scan_keypad(struct omap_kp *omap_kp, unsigned char *state) } } -static inline int omap_kp_find_key(int col, int row) -{ - int i, key; - - key = KEY(col, row, 0); - for (i = 0; keymap[i] != 0; i++) - if ((keymap[i] & 0xff000000) == key) - return keymap[i] & 0x00ffffff; - return -1; -} - static void omap_kp_tasklet(unsigned long data) { struct omap_kp *omap_kp_data = (struct omap_kp *) data; + unsigned short *keycodes = omap_kp_data->input->keycode; + unsigned int row_shift = get_count_order(omap_kp_data->cols); unsigned char new_state[8], changed, key_down = 0; int col, row; int spurious = 0; @@ -199,7 +189,7 @@ static void omap_kp_tasklet(unsigned long data) row, (new_state[col] & (1 << row)) ? "pressed" : "released"); #else - key = omap_kp_find_key(col, row); + key = keycodes[MATRIX_SCAN_CODE(row, col, row_shift)]; if (key < 0) { printk(KERN_WARNING "omap-keypad: Spurious key event %d-%d\n", @@ -298,13 +288,18 @@ static int __devinit omap_kp_probe(struct platform_device *pdev) struct input_dev *input_dev; struct omap_kp_platform_data *pdata = pdev->dev.platform_data; int i, col_idx, row_idx, irq_idx, ret; + unsigned int row_shift, keycodemax; - if (!pdata->rows || !pdata->cols || !pdata->keymap) { - printk(KERN_ERR "No rows, cols or keymap from pdata\n"); + if (!pdata->rows || !pdata->cols || !pdata->keymap_data) { + printk(KERN_ERR "No rows, cols or keymap_data from pdata\n"); return -EINVAL; } - omap_kp = kzalloc(sizeof(struct omap_kp), GFP_KERNEL); + row_shift = get_count_order(pdata->cols); + keycodemax = pdata->rows << row_shift; + + omap_kp = kzalloc(sizeof(struct omap_kp) + + keycodemax * sizeof(unsigned short), GFP_KERNEL); input_dev = input_allocate_device(); if (!omap_kp || !input_dev) { kfree(omap_kp); @@ -320,7 +315,9 @@ static int __devinit omap_kp_probe(struct platform_device *pdev) if (!cpu_is_omap24xx()) omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); - keymap = pdata->keymap; + input_dev->keycode = &omap_kp[1]; + input_dev->keycodesize = sizeof(unsigned short); + input_dev->keycodemax = keycodemax; if (pdata->rep) __set_bit(EV_REP, input_dev->evbit); @@ -374,8 +371,8 @@ static int __devinit omap_kp_probe(struct platform_device *pdev) /* setup input device */ __set_bit(EV_KEY, input_dev->evbit); - for (i = 0; keymap[i] != 0; i++) - __set_bit(keymap[i] & KEY_MAX, input_dev->keybit); + matrix_keypad_build_keymap(pdata->keymap_data, row_shift, + input_dev->keycode, input_dev->keybit); input_dev->name = "omap-keypad"; input_dev->phys = "omap-keypad/input0"; input_dev->dev.parent = &pdev->dev; @@ -416,7 +413,7 @@ static int __devinit omap_kp_probe(struct platform_device *pdev) return 0; err5: for (i = irq_idx - 1; i >=0; i--) - free_irq(row_gpios[i], 0); + free_irq(row_gpios[i], NULL); err4: input_unregister_device(omap_kp->input); input_dev = NULL; @@ -447,11 +444,11 @@ static int __devexit omap_kp_remove(struct platform_device *pdev) gpio_free(col_gpios[i]); for (i = 0; i < omap_kp->rows; i++) { gpio_free(row_gpios[i]); - free_irq(gpio_to_irq(row_gpios[i]), 0); + free_irq(gpio_to_irq(row_gpios[i]), NULL); } } else { omap_writew(1, OMAP1_MPUIO_BASE + OMAP_MPUIO_KBD_MASKIT); - free_irq(omap_kp->irq, 0); + free_irq(omap_kp->irq, NULL); } del_timer_sync(&omap_kp->timer); diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c new file mode 100644 index 00000000000..bee03d64c45 --- /dev/null +++ b/drivers/input/keyboard/spear-keyboard.c @@ -0,0 +1,344 @@ +/* + * SPEAr Keyboard Driver + * Based on omap-keypad driver + * + * Copyright (C) 2010 ST Microelectronics + * Rajeev Kumar<rajeev-dlh.kumar@st.com> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ + +#include <linux/clk.h> +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/pm_wakeup.h> +#include <linux/slab.h> +#include <linux/types.h> +#include <plat/keyboard.h> + +/* Keyboard Registers */ +#define MODE_REG 0x00 /* 16 bit reg */ +#define STATUS_REG 0x0C /* 2 bit reg */ +#define DATA_REG 0x10 /* 8 bit reg */ +#define INTR_MASK 0x54 + +/* Register Values */ +/* + * pclk freq mask = (APB FEQ -1)= 82 MHZ.Programme bit 15-9 in mode + * control register as 1010010(82MHZ) + */ +#define PCLK_FREQ_MSK 0xA400 /* 82 MHz */ +#define START_SCAN 0x0100 +#define SCAN_RATE_10 0x0000 +#define SCAN_RATE_20 0x0004 +#define SCAN_RATE_40 0x0008 +#define SCAN_RATE_80 0x000C +#define MODE_KEYBOARD 0x0002 +#define DATA_AVAIL 0x2 + +#define KEY_MASK 0xFF000000 +#define KEY_VALUE 0x00FFFFFF +#define ROW_MASK 0xF0 +#define COLUMN_MASK 0x0F +#define ROW_SHIFT 4 + +struct spear_kbd { + struct input_dev *input; + struct resource *res; + void __iomem *io_base; + struct clk *clk; + unsigned int irq; + unsigned short last_key; + unsigned short keycodes[256]; +}; + +static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id) +{ + struct spear_kbd *kbd = dev_id; + struct input_dev *input = kbd->input; + unsigned int key; + u8 sts, val; + + sts = readb(kbd->io_base + STATUS_REG); + if (sts & DATA_AVAIL) + return IRQ_NONE; + + if (kbd->last_key != KEY_RESERVED) { + input_report_key(input, kbd->last_key, 0); + kbd->last_key = KEY_RESERVED; + } + + /* following reads active (row, col) pair */ + val = readb(kbd->io_base + DATA_REG); + key = kbd->keycodes[val]; + + input_event(input, EV_MSC, MSC_SCAN, val); + input_report_key(input, key, 1); + input_sync(input); + + kbd->last_key = key; + + /* clear interrupt */ + writeb(0, kbd->io_base + STATUS_REG); + + return IRQ_HANDLED; +} + +static int spear_kbd_open(struct input_dev *dev) +{ + struct spear_kbd *kbd = input_get_drvdata(dev); + int error; + u16 val; + + kbd->last_key = KEY_RESERVED; + + error = clk_enable(kbd->clk); + if (error) + return error; + + /* program keyboard */ + val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK; + writew(val, kbd->io_base + MODE_REG); + writeb(1, kbd->io_base + STATUS_REG); + + /* start key scan */ + val = readw(kbd->io_base + MODE_REG); + val |= START_SCAN; + writew(val, kbd->io_base + MODE_REG); + + return 0; +} + +static void spear_kbd_close(struct input_dev *dev) +{ + struct spear_kbd *kbd = input_get_drvdata(dev); + u16 val; + + /* stop key scan */ + val = readw(kbd->io_base + MODE_REG); + val &= ~START_SCAN; + writew(val, kbd->io_base + MODE_REG); + + clk_disable(kbd->clk); + + kbd->last_key = KEY_RESERVED; +} + +static int __devinit spear_kbd_probe(struct platform_device *pdev) +{ + const struct kbd_platform_data *pdata = pdev->dev.platform_data; + const struct matrix_keymap_data *keymap; + struct spear_kbd *kbd; + struct input_dev *input_dev; + struct resource *res; + int irq; + int error; + + if (!pdata) { + dev_err(&pdev->dev, "Invalid platform data\n"); + return -EINVAL; + } + + keymap = pdata->keymap; + if (!keymap) { + dev_err(&pdev->dev, "no keymap defined\n"); + return -EINVAL; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "no keyboard resource defined\n"); + return -EBUSY; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "not able to get irq for the device\n"); + return irq; + } + + kbd = kzalloc(sizeof(*kbd), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!kbd || !input_dev) { + dev_err(&pdev->dev, "out of memory\n"); + error = -ENOMEM; + goto err_free_mem; + } + + kbd->input = input_dev; + kbd->irq = irq; + kbd->res = request_mem_region(res->start, resource_size(res), + pdev->name); + if (!kbd->res) { + dev_err(&pdev->dev, "keyboard region already claimed\n"); + error = -EBUSY; + goto err_free_mem; + } + + kbd->io_base = ioremap(res->start, resource_size(res)); + if (!kbd->io_base) { + dev_err(&pdev->dev, "ioremap failed for kbd_region\n"); + error = -ENOMEM; + goto err_release_mem_region; + } + + kbd->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(kbd->clk)) { + error = PTR_ERR(kbd->clk); + goto err_iounmap; + } + + input_dev->name = "Spear Keyboard"; + input_dev->phys = "keyboard/input0"; + input_dev->dev.parent = &pdev->dev; + input_dev->id.bustype = BUS_HOST; + input_dev->id.vendor = 0x0001; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->open = spear_kbd_open; + input_dev->close = spear_kbd_close; + + __set_bit(EV_KEY, input_dev->evbit); + if (pdata->rep) + __set_bit(EV_REP, input_dev->evbit); + input_set_capability(input_dev, EV_MSC, MSC_SCAN); + + input_dev->keycode = kbd->keycodes; + input_dev->keycodesize = sizeof(kbd->keycodes[0]); + input_dev->keycodemax = ARRAY_SIZE(kbd->keycodes); + + matrix_keypad_build_keymap(keymap, ROW_SHIFT, + input_dev->keycode, input_dev->keybit); + + input_set_drvdata(input_dev, kbd); + + error = request_irq(irq, spear_kbd_interrupt, 0, "keyboard", kbd); + if (error) { + dev_err(&pdev->dev, "request_irq fail\n"); + goto err_put_clk; + } + + error = input_register_device(input_dev); + if (error) { + dev_err(&pdev->dev, "Unable to register keyboard device\n"); + goto err_free_irq; + } + + device_init_wakeup(&pdev->dev, 1); + platform_set_drvdata(pdev, kbd); + + return 0; + +err_free_irq: + free_irq(kbd->irq, kbd); +err_put_clk: + clk_put(kbd->clk); +err_iounmap: + iounmap(kbd->io_base); +err_release_mem_region: + release_mem_region(res->start, resource_size(res)); +err_free_mem: + input_free_device(input_dev); + kfree(kbd); + + return error; +} + +static int __devexit spear_kbd_remove(struct platform_device *pdev) +{ + struct spear_kbd *kbd = platform_get_drvdata(pdev); + + free_irq(kbd->irq, kbd); + input_unregister_device(kbd->input); + clk_put(kbd->clk); + iounmap(kbd->io_base); + release_mem_region(kbd->res->start, resource_size(kbd->res)); + kfree(kbd); + + device_init_wakeup(&pdev->dev, 1); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +#ifdef CONFIG_PM +static int spear_kbd_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct spear_kbd *kbd = platform_get_drvdata(pdev); + struct input_dev *input_dev = kbd->input; + + mutex_lock(&input_dev->mutex); + + if (input_dev->users) + clk_enable(kbd->clk); + + if (device_may_wakeup(&pdev->dev)) + enable_irq_wake(kbd->irq); + + mutex_unlock(&input_dev->mutex); + + return 0; +} + +static int spear_kbd_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct spear_kbd *kbd = platform_get_drvdata(pdev); + struct input_dev *input_dev = kbd->input; + + mutex_lock(&input_dev->mutex); + + if (device_may_wakeup(&pdev->dev)) + disable_irq_wake(kbd->irq); + + if (input_dev->users) + clk_enable(kbd->clk); + + mutex_unlock(&input_dev->mutex); + + return 0; +} + +static const struct dev_pm_ops spear_kbd_pm_ops = { + .suspend = spear_kbd_suspend, + .resume = spear_kbd_resume, +}; +#endif + +static struct platform_driver spear_kbd_driver = { + .probe = spear_kbd_probe, + .remove = __devexit_p(spear_kbd_remove), + .driver = { + .name = "keyboard", + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &spear_kbd_pm_ops, +#endif + }, +}; + +static int __init spear_kbd_init(void) +{ + return platform_driver_register(&spear_kbd_driver); +} +module_init(spear_kbd_init); + +static void __exit spear_kbd_exit(void) +{ + platform_driver_unregister(&spear_kbd_driver); +} +module_exit(spear_kbd_exit); + +MODULE_AUTHOR("Rajeev Kumar"); +MODULE_DESCRIPTION("SPEAr Keyboard Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/keyboard/tc3589x-keypad.c b/drivers/input/keyboard/tc3589x-keypad.c new file mode 100644 index 00000000000..dbbe761778d --- /dev/null +++ b/drivers/input/keyboard/tc3589x-keypad.c @@ -0,0 +1,472 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Jayeeta Banerjee <jayeeta.banerjee@stericsson.com> + * Author: Sundar Iyer <sundar.iyer@stericsson.com> + * + * License Terms: GNU General Public License, version 2 + * + * TC35893 MFD Keypad Controller driver + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/platform_device.h> +#include <linux/input/matrix_keypad.h> +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/mfd/tc3589x.h> + +/* Maximum supported keypad matrix row/columns size */ +#define TC3589x_MAX_KPROW 8 +#define TC3589x_MAX_KPCOL 12 + +/* keypad related Constants */ +#define TC3589x_MAX_DEBOUNCE_SETTLE 0xFF +#define DEDICATED_KEY_VAL 0xFF + +/* Pull up/down masks */ +#define TC3589x_NO_PULL_MASK 0x0 +#define TC3589x_PULL_DOWN_MASK 0x1 +#define TC3589x_PULL_UP_MASK 0x2 +#define TC3589x_PULLUP_ALL_MASK 0xAA +#define TC3589x_IO_PULL_VAL(index, mask) ((mask)<<((index)%4)*2)) + +/* Bit masks for IOCFG register */ +#define IOCFG_BALLCFG 0x01 +#define IOCFG_IG 0x08 + +#define KP_EVCODE_COL_MASK 0x0F +#define KP_EVCODE_ROW_MASK 0x70 +#define KP_RELEASE_EVT_MASK 0x80 + +#define KP_ROW_SHIFT 4 + +#define KP_NO_VALID_KEY_MASK 0x7F + +/* bit masks for RESTCTRL register */ +#define TC3589x_KBDRST 0x2 +#define TC3589x_IRQRST 0x10 +#define TC3589x_RESET_ALL 0x1B + +/* KBDMFS register bit mask */ +#define TC3589x_KBDMFS_EN 0x1 + +/* CLKEN register bitmask */ +#define KPD_CLK_EN 0x1 + +/* RSTINTCLR register bit mask */ +#define IRQ_CLEAR 0x1 + +/* bit masks for keyboard interrupts*/ +#define TC3589x_EVT_LOSS_INT 0x8 +#define TC3589x_EVT_INT 0x4 +#define TC3589x_KBD_LOSS_INT 0x2 +#define TC3589x_KBD_INT 0x1 + +/* bit masks for keyboard interrupt clear*/ +#define TC3589x_EVT_INT_CLR 0x2 +#define TC3589x_KBD_INT_CLR 0x1 + +#define TC3589x_KBD_KEYMAP_SIZE 64 + +/** + * struct tc_keypad - data structure used by keypad driver + * @input: pointer to input device object + * @board: keypad platform device + * @krow: number of rows + * @kcol: number of coloumns + * @keymap: matrix scan code table for keycodes + */ +struct tc_keypad { + struct tc3589x *tc3589x; + struct input_dev *input; + const struct tc3589x_keypad_platform_data *board; + unsigned int krow; + unsigned int kcol; + unsigned short keymap[TC3589x_KBD_KEYMAP_SIZE]; + bool keypad_stopped; +}; + +static int __devinit tc3589x_keypad_init_key_hardware(struct tc_keypad *keypad) +{ + int ret; + struct tc3589x *tc3589x = keypad->tc3589x; + u8 settle_time = keypad->board->settle_time; + u8 dbounce_period = keypad->board->debounce_period; + u8 rows = keypad->board->krow & 0xf; /* mask out the nibble */ + u8 column = keypad->board->kcol & 0xf; /* mask out the nibble */ + + /* validate platform configurations */ + if (keypad->board->kcol > TC3589x_MAX_KPCOL || + keypad->board->krow > TC3589x_MAX_KPROW || + keypad->board->debounce_period > TC3589x_MAX_DEBOUNCE_SETTLE || + keypad->board->settle_time > TC3589x_MAX_DEBOUNCE_SETTLE) + return -EINVAL; + + /* configure KBDSIZE 4 LSbits for cols and 4 MSbits for rows */ + ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSIZE, + (rows << KP_ROW_SHIFT) | column); + if (ret < 0) + return ret; + + /* configure dedicated key config, no dedicated key selected */ + ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_LSB, DEDICATED_KEY_VAL); + if (ret < 0) + return ret; + + ret = tc3589x_reg_write(tc3589x, TC3589x_KBCFG_MSB, DEDICATED_KEY_VAL); + if (ret < 0) + return ret; + + /* Configure settle time */ + ret = tc3589x_reg_write(tc3589x, TC3589x_KBDSETTLE_REG, settle_time); + if (ret < 0) + return ret; + + /* Configure debounce time */ + ret = tc3589x_reg_write(tc3589x, TC3589x_KBDBOUNCE, dbounce_period); + if (ret < 0) + return ret; + + /* Start of initialise keypad GPIOs */ + ret = tc3589x_set_bits(tc3589x, TC3589x_IOCFG, 0x0, IOCFG_IG); + if (ret < 0) + return ret; + + /* Configure pull-up resistors for all row GPIOs */ + ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_LSB, + TC3589x_PULLUP_ALL_MASK); + if (ret < 0) + return ret; + + ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG0_MSB, + TC3589x_PULLUP_ALL_MASK); + if (ret < 0) + return ret; + + /* Configure pull-up resistors for all column GPIOs */ + ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_LSB, + TC3589x_PULLUP_ALL_MASK); + if (ret < 0) + return ret; + + ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG1_MSB, + TC3589x_PULLUP_ALL_MASK); + if (ret < 0) + return ret; + + ret = tc3589x_reg_write(tc3589x, TC3589x_IOPULLCFG2_LSB, + TC3589x_PULLUP_ALL_MASK); + + return ret; +} + +#define TC35893_DATA_REGS 4 +#define TC35893_KEYCODE_FIFO_EMPTY 0x7f +#define TC35893_KEYCODE_FIFO_CLEAR 0xff +#define TC35893_KEYPAD_ROW_SHIFT 0x3 + +static irqreturn_t tc3589x_keypad_irq(int irq, void *dev) +{ + struct tc_keypad *keypad = dev; + struct tc3589x *tc3589x = keypad->tc3589x; + u8 i, row_index, col_index, kbd_code, up; + u8 code; + + for (i = 0; i < TC35893_DATA_REGS * 2; i++) { + kbd_code = tc3589x_reg_read(tc3589x, TC3589x_EVTCODE_FIFO); + + /* loop till fifo is empty and no more keys are pressed */ + if (kbd_code == TC35893_KEYCODE_FIFO_EMPTY || + kbd_code == TC35893_KEYCODE_FIFO_CLEAR) + continue; + + /* valid key is found */ + col_index = kbd_code & KP_EVCODE_COL_MASK; + row_index = (kbd_code & KP_EVCODE_ROW_MASK) >> KP_ROW_SHIFT; + code = MATRIX_SCAN_CODE(row_index, col_index, + TC35893_KEYPAD_ROW_SHIFT); + up = kbd_code & KP_RELEASE_EVT_MASK; + + input_event(keypad->input, EV_MSC, MSC_SCAN, code); + input_report_key(keypad->input, keypad->keymap[code], !up); + input_sync(keypad->input); + } + + /* clear IRQ */ + tc3589x_set_bits(tc3589x, TC3589x_KBDIC, + 0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR); + /* enable IRQ */ + tc3589x_set_bits(tc3589x, TC3589x_KBDMSK, + 0x0, TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT); + + return IRQ_HANDLED; +} + +static int tc3589x_keypad_enable(struct tc_keypad *keypad) +{ + struct tc3589x *tc3589x = keypad->tc3589x; + int ret; + + /* pull the keypad module out of reset */ + ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x0); + if (ret < 0) + return ret; + + /* configure KBDMFS */ + ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMFS, 0x0, TC3589x_KBDMFS_EN); + if (ret < 0) + return ret; + + /* enable the keypad clock */ + ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x0, KPD_CLK_EN); + if (ret < 0) + return ret; + + /* clear pending IRQs */ + ret = tc3589x_set_bits(tc3589x, TC3589x_RSTINTCLR, 0x0, 0x1); + if (ret < 0) + return ret; + + /* enable the IRQs */ + ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK, 0x0, + TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT); + if (ret < 0) + return ret; + + keypad->keypad_stopped = false; + + return ret; +} + +static int tc3589x_keypad_disable(struct tc_keypad *keypad) +{ + struct tc3589x *tc3589x = keypad->tc3589x; + int ret; + + /* clear IRQ */ + ret = tc3589x_set_bits(tc3589x, TC3589x_KBDIC, + 0x0, TC3589x_EVT_INT_CLR | TC3589x_KBD_INT_CLR); + if (ret < 0) + return ret; + + /* disable all interrupts */ + ret = tc3589x_set_bits(tc3589x, TC3589x_KBDMSK, + ~(TC3589x_EVT_LOSS_INT | TC3589x_EVT_INT), 0x0); + if (ret < 0) + return ret; + + /* disable the keypad module */ + ret = tc3589x_set_bits(tc3589x, TC3589x_CLKEN, 0x1, 0x0); + if (ret < 0) + return ret; + + /* put the keypad module into reset */ + ret = tc3589x_set_bits(tc3589x, TC3589x_RSTCTRL, TC3589x_KBDRST, 0x1); + + keypad->keypad_stopped = true; + + return ret; +} + +static int tc3589x_keypad_open(struct input_dev *input) +{ + int error; + struct tc_keypad *keypad = input_get_drvdata(input); + + /* enable the keypad module */ + error = tc3589x_keypad_enable(keypad); + if (error < 0) { + dev_err(&input->dev, "failed to enable keypad module\n"); + return error; + } + + error = tc3589x_keypad_init_key_hardware(keypad); + if (error < 0) { + dev_err(&input->dev, "failed to configure keypad module\n"); + return error; + } + + return 0; +} + +static void tc3589x_keypad_close(struct input_dev *input) +{ + struct tc_keypad *keypad = input_get_drvdata(input); + + /* disable the keypad module */ + tc3589x_keypad_disable(keypad); +} + +static int __devinit tc3589x_keypad_probe(struct platform_device *pdev) +{ + struct tc3589x *tc3589x = dev_get_drvdata(pdev->dev.parent); + struct tc_keypad *keypad; + struct input_dev *input; + const struct tc3589x_keypad_platform_data *plat; + int error, irq; + + plat = tc3589x->pdata->keypad; + if (!plat) { + dev_err(&pdev->dev, "invalid keypad platform data\n"); + return -EINVAL; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; + + keypad = kzalloc(sizeof(struct tc_keypad), GFP_KERNEL); + input = input_allocate_device(); + if (!keypad || !input) { + dev_err(&pdev->dev, "failed to allocate keypad memory\n"); + error = -ENOMEM; + goto err_free_mem; + } + + keypad->board = plat; + keypad->input = input; + keypad->tc3589x = tc3589x; + + input->id.bustype = BUS_I2C; + input->name = pdev->name; + input->dev.parent = &pdev->dev; + + input->keycode = keypad->keymap; + input->keycodesize = sizeof(keypad->keymap[0]); + input->keycodemax = ARRAY_SIZE(keypad->keymap); + + input->open = tc3589x_keypad_open; + input->close = tc3589x_keypad_close; + + input_set_drvdata(input, keypad); + + input_set_capability(input, EV_MSC, MSC_SCAN); + + __set_bit(EV_KEY, input->evbit); + if (!plat->no_autorepeat) + __set_bit(EV_REP, input->evbit); + + matrix_keypad_build_keymap(plat->keymap_data, 0x3, + input->keycode, input->keybit); + + error = request_threaded_irq(irq, NULL, + tc3589x_keypad_irq, plat->irqtype, + "tc3589x-keypad", keypad); + if (error < 0) { + dev_err(&pdev->dev, + "Could not allocate irq %d,error %d\n", + irq, error); + goto err_free_mem; + } + + error = input_register_device(input); + if (error) { + dev_err(&pdev->dev, "Could not register input device\n"); + goto err_free_irq; + } + + /* let platform decide if keypad is a wakeup source or not */ + device_init_wakeup(&pdev->dev, plat->enable_wakeup); + device_set_wakeup_capable(&pdev->dev, plat->enable_wakeup); + + platform_set_drvdata(pdev, keypad); + + return 0; + +err_free_irq: + free_irq(irq, keypad); +err_free_mem: + input_free_device(input); + kfree(keypad); + return error; +} + +static int __devexit tc3589x_keypad_remove(struct platform_device *pdev) +{ + struct tc_keypad *keypad = platform_get_drvdata(pdev); + int irq = platform_get_irq(pdev, 0); + + if (!keypad->keypad_stopped) + tc3589x_keypad_disable(keypad); + + free_irq(irq, keypad); + + input_unregister_device(keypad->input); + + kfree(keypad); + + return 0; +} + +#ifdef CONFIG_PM +static int tc3589x_keypad_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct tc_keypad *keypad = platform_get_drvdata(pdev); + int irq = platform_get_irq(pdev, 0); + + /* keypad is already off; we do nothing */ + if (keypad->keypad_stopped) + return 0; + + /* if device is not a wakeup source, disable it for powersave */ + if (!device_may_wakeup(&pdev->dev)) + tc3589x_keypad_disable(keypad); + else + enable_irq_wake(irq); + + return 0; +} + +static int tc3589x_keypad_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct tc_keypad *keypad = platform_get_drvdata(pdev); + int irq = platform_get_irq(pdev, 0); + + if (!keypad->keypad_stopped) + return 0; + + /* enable the device to resume normal operations */ + if (!device_may_wakeup(&pdev->dev)) + tc3589x_keypad_enable(keypad); + else + disable_irq_wake(irq); + + return 0; +} + +static const SIMPLE_DEV_PM_OPS(tc3589x_keypad_dev_pm_ops, + tc3589x_keypad_suspend, tc3589x_keypad_resume); +#endif + +static struct platform_driver tc3589x_keypad_driver = { + .driver.name = "tc3589x-keypad", + .driver.owner = THIS_MODULE, +#ifdef CONFIG_PM + .driver.pm = &tc3589x_keypad_dev_pm_ops, +#endif + .probe = tc3589x_keypad_probe, + .remove = __devexit_p(tc3589x_keypad_remove), +}; + +static int __init tc3589x_keypad_init(void) +{ + return platform_driver_register(&tc3589x_keypad_driver); +} +module_init(tc3589x_keypad_init); + +static void __exit tc3589x_keypad_exit(void) +{ + return platform_driver_unregister(&tc3589x_keypad_driver); +} +module_exit(tc3589x_keypad_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Jayeeta Banerjee/Sundar Iyer"); +MODULE_DESCRIPTION("TC35893 Keypad Driver"); +MODULE_ALIAS("platform:tc3589x-keypad"); diff --git a/drivers/input/keyboard/tca6416-keypad.c b/drivers/input/keyboard/tca6416-keypad.c index 00137bebcf9..800fbccf1f0 100644 --- a/drivers/input/keyboard/tca6416-keypad.c +++ b/drivers/input/keyboard/tca6416-keypad.c @@ -29,6 +29,7 @@ static const struct i2c_device_id tca6416_id[] = { { "tca6416-keys", 16, }, + { "tca6408-keys", 8, }, { } }; MODULE_DEVICE_TABLE(i2c, tca6416_id); @@ -46,8 +47,9 @@ struct tca6416_keypad_chip { struct i2c_client *client; struct input_dev *input; struct delayed_work dwork; - u16 pinmask; + int io_size; int irqnum; + u16 pinmask; bool use_polling; struct tca6416_button buttons[0]; }; @@ -56,7 +58,9 @@ static int tca6416_write_reg(struct tca6416_keypad_chip *chip, int reg, u16 val) { int error; - error = i2c_smbus_write_word_data(chip->client, reg << 1, val); + error = chip->io_size > 8 ? + i2c_smbus_write_word_data(chip->client, reg << 1, val) : + i2c_smbus_write_byte_data(chip->client, reg, val); if (error < 0) { dev_err(&chip->client->dev, "%s failed, reg: %d, val: %d, error: %d\n", @@ -71,7 +75,9 @@ static int tca6416_read_reg(struct tca6416_keypad_chip *chip, int reg, u16 *val) { int retval; - retval = i2c_smbus_read_word_data(chip->client, reg << 1); + retval = chip->io_size > 8 ? + i2c_smbus_read_word_data(chip->client, reg << 1) : + i2c_smbus_read_byte_data(chip->client, reg); if (retval < 0) { dev_err(&chip->client->dev, "%s failed, reg: %d, error: %d\n", __func__, reg, retval); @@ -224,6 +230,7 @@ static int __devinit tca6416_keypad_probe(struct i2c_client *client, chip->client = client; chip->input = input; + chip->io_size = id->driver_data; chip->pinmask = pdata->pinmask; chip->use_polling = pdata->use_polling; diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c new file mode 100644 index 00000000000..ac471b77c18 --- /dev/null +++ b/drivers/input/keyboard/tegra-kbc.c @@ -0,0 +1,727 @@ +/* + * Keyboard class input driver for the NVIDIA Tegra SoC internal matrix + * keyboard controller + * + * Copyright (c) 2009-2011, NVIDIA Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include <linux/module.h> +#include <linux/input.h> +#include <linux/platform_device.h> +#include <linux/delay.h> +#include <linux/io.h> +#include <linux/interrupt.h> +#include <linux/clk.h> +#include <linux/slab.h> +#include <mach/clk.h> +#include <mach/kbc.h> + +#define KBC_MAX_DEBOUNCE_CNT 0x3ffu + +/* KBC row scan time and delay for beginning the row scan. */ +#define KBC_ROW_SCAN_TIME 16 +#define KBC_ROW_SCAN_DLY 5 + +/* KBC uses a 32KHz clock so a cycle = 1/32Khz */ +#define KBC_CYCLE_USEC 32 + +/* KBC Registers */ + +/* KBC Control Register */ +#define KBC_CONTROL_0 0x0 +#define KBC_FIFO_TH_CNT_SHIFT(cnt) (cnt << 14) +#define KBC_DEBOUNCE_CNT_SHIFT(cnt) (cnt << 4) +#define KBC_CONTROL_FIFO_CNT_INT_EN (1 << 3) +#define KBC_CONTROL_KBC_EN (1 << 0) + +/* KBC Interrupt Register */ +#define KBC_INT_0 0x4 +#define KBC_INT_FIFO_CNT_INT_STATUS (1 << 2) + +#define KBC_ROW_CFG0_0 0x8 +#define KBC_COL_CFG0_0 0x18 +#define KBC_INIT_DLY_0 0x28 +#define KBC_RPT_DLY_0 0x2c +#define KBC_KP_ENT0_0 0x30 +#define KBC_KP_ENT1_0 0x34 +#define KBC_ROW0_MASK_0 0x38 + +#define KBC_ROW_SHIFT 3 + +struct tegra_kbc { + void __iomem *mmio; + struct input_dev *idev; + unsigned int irq; + unsigned int wake_enable_rows; + unsigned int wake_enable_cols; + spinlock_t lock; + unsigned int repoll_dly; + unsigned long cp_dly_jiffies; + const struct tegra_kbc_platform_data *pdata; + unsigned short keycode[KBC_MAX_KEY]; + unsigned short current_keys[KBC_MAX_KPENT]; + unsigned int num_pressed_keys; + struct timer_list timer; + struct clk *clk; +}; + +static const u32 tegra_kbc_default_keymap[] = { + KEY(0, 2, KEY_W), + KEY(0, 3, KEY_S), + KEY(0, 4, KEY_A), + KEY(0, 5, KEY_Z), + KEY(0, 7, KEY_FN), + + KEY(1, 7, KEY_LEFTMETA), + + KEY(2, 6, KEY_RIGHTALT), + KEY(2, 7, KEY_LEFTALT), + + KEY(3, 0, KEY_5), + KEY(3, 1, KEY_4), + KEY(3, 2, KEY_R), + KEY(3, 3, KEY_E), + KEY(3, 4, KEY_F), + KEY(3, 5, KEY_D), + KEY(3, 6, KEY_X), + + KEY(4, 0, KEY_7), + KEY(4, 1, KEY_6), + KEY(4, 2, KEY_T), + KEY(4, 3, KEY_H), + KEY(4, 4, KEY_G), + KEY(4, 5, KEY_V), + KEY(4, 6, KEY_C), + KEY(4, 7, KEY_SPACE), + + KEY(5, 0, KEY_9), + KEY(5, 1, KEY_8), + KEY(5, 2, KEY_U), + KEY(5, 3, KEY_Y), + KEY(5, 4, KEY_J), + KEY(5, 5, KEY_N), + KEY(5, 6, KEY_B), + KEY(5, 7, KEY_BACKSLASH), + + KEY(6, 0, KEY_MINUS), + KEY(6, 1, KEY_0), + KEY(6, 2, KEY_O), + KEY(6, 3, KEY_I), + KEY(6, 4, KEY_L), + KEY(6, 5, KEY_K), + KEY(6, 6, KEY_COMMA), + KEY(6, 7, KEY_M), + + KEY(7, 1, KEY_EQUAL), + KEY(7, 2, KEY_RIGHTBRACE), + KEY(7, 3, KEY_ENTER), + KEY(7, 7, KEY_MENU), + + KEY(8, 4, KEY_RIGHTSHIFT), + KEY(8, 5, KEY_LEFTSHIFT), + + KEY(9, 5, KEY_RIGHTCTRL), + KEY(9, 7, KEY_LEFTCTRL), + + KEY(11, 0, KEY_LEFTBRACE), + KEY(11, 1, KEY_P), + KEY(11, 2, KEY_APOSTROPHE), + KEY(11, 3, KEY_SEMICOLON), + KEY(11, 4, KEY_SLASH), + KEY(11, 5, KEY_DOT), + + KEY(12, 0, KEY_F10), + KEY(12, 1, KEY_F9), + KEY(12, 2, KEY_BACKSPACE), + KEY(12, 3, KEY_3), + KEY(12, 4, KEY_2), + KEY(12, 5, KEY_UP), + KEY(12, 6, KEY_PRINT), + KEY(12, 7, KEY_PAUSE), + + KEY(13, 0, KEY_INSERT), + KEY(13, 1, KEY_DELETE), + KEY(13, 3, KEY_PAGEUP), + KEY(13, 4, KEY_PAGEDOWN), + KEY(13, 5, KEY_RIGHT), + KEY(13, 6, KEY_DOWN), + KEY(13, 7, KEY_LEFT), + + KEY(14, 0, KEY_F11), + KEY(14, 1, KEY_F12), + KEY(14, 2, KEY_F8), + KEY(14, 3, KEY_Q), + KEY(14, 4, KEY_F4), + KEY(14, 5, KEY_F3), + KEY(14, 6, KEY_1), + KEY(14, 7, KEY_F7), + + KEY(15, 0, KEY_ESC), + KEY(15, 1, KEY_GRAVE), + KEY(15, 2, KEY_F5), + KEY(15, 3, KEY_TAB), + KEY(15, 4, KEY_F1), + KEY(15, 5, KEY_F2), + KEY(15, 6, KEY_CAPSLOCK), + KEY(15, 7, KEY_F6), +}; + +static const struct matrix_keymap_data tegra_kbc_default_keymap_data = { + .keymap = tegra_kbc_default_keymap, + .keymap_size = ARRAY_SIZE(tegra_kbc_default_keymap), +}; + +static void tegra_kbc_report_released_keys(struct input_dev *input, + unsigned short old_keycodes[], + unsigned int old_num_keys, + unsigned short new_keycodes[], + unsigned int new_num_keys) +{ + unsigned int i, j; + + for (i = 0; i < old_num_keys; i++) { + for (j = 0; j < new_num_keys; j++) + if (old_keycodes[i] == new_keycodes[j]) + break; + + if (j == new_num_keys) + input_report_key(input, old_keycodes[i], 0); + } +} + +static void tegra_kbc_report_pressed_keys(struct input_dev *input, + unsigned char scancodes[], + unsigned short keycodes[], + unsigned int num_pressed_keys) +{ + unsigned int i; + + for (i = 0; i < num_pressed_keys; i++) { + input_event(input, EV_MSC, MSC_SCAN, scancodes[i]); + input_report_key(input, keycodes[i], 1); + } +} + +static void tegra_kbc_report_keys(struct tegra_kbc *kbc) +{ + unsigned char scancodes[KBC_MAX_KPENT]; + unsigned short keycodes[KBC_MAX_KPENT]; + u32 val = 0; + unsigned int i; + unsigned int num_down = 0; + unsigned long flags; + + spin_lock_irqsave(&kbc->lock, flags); + for (i = 0; i < KBC_MAX_KPENT; i++) { + if ((i % 4) == 0) + val = readl(kbc->mmio + KBC_KP_ENT0_0 + i); + + if (val & 0x80) { + unsigned int col = val & 0x07; + unsigned int row = (val >> 3) & 0x0f; + unsigned char scancode = + MATRIX_SCAN_CODE(row, col, KBC_ROW_SHIFT); + + scancodes[num_down] = scancode; + keycodes[num_down++] = kbc->keycode[scancode]; + } + + val >>= 8; + } + spin_unlock_irqrestore(&kbc->lock, flags); + + tegra_kbc_report_released_keys(kbc->idev, + kbc->current_keys, kbc->num_pressed_keys, + keycodes, num_down); + tegra_kbc_report_pressed_keys(kbc->idev, scancodes, keycodes, num_down); + input_sync(kbc->idev); + + memcpy(kbc->current_keys, keycodes, sizeof(kbc->current_keys)); + kbc->num_pressed_keys = num_down; +} + +static void tegra_kbc_keypress_timer(unsigned long data) +{ + struct tegra_kbc *kbc = (struct tegra_kbc *)data; + unsigned long flags; + u32 val; + unsigned int i; + + val = (readl(kbc->mmio + KBC_INT_0) >> 4) & 0xf; + if (val) { + unsigned long dly; + + tegra_kbc_report_keys(kbc); + + /* + * If more than one keys are pressed we need not wait + * for the repoll delay. + */ + dly = (val == 1) ? kbc->repoll_dly : 1; + mod_timer(&kbc->timer, jiffies + msecs_to_jiffies(dly)); + } else { + /* Release any pressed keys and exit the polling loop */ + for (i = 0; i < kbc->num_pressed_keys; i++) + input_report_key(kbc->idev, kbc->current_keys[i], 0); + input_sync(kbc->idev); + + kbc->num_pressed_keys = 0; + + /* All keys are released so enable the keypress interrupt */ + spin_lock_irqsave(&kbc->lock, flags); + val = readl(kbc->mmio + KBC_CONTROL_0); + val |= KBC_CONTROL_FIFO_CNT_INT_EN; + writel(val, kbc->mmio + KBC_CONTROL_0); + spin_unlock_irqrestore(&kbc->lock, flags); + } +} + +static irqreturn_t tegra_kbc_isr(int irq, void *args) +{ + struct tegra_kbc *kbc = args; + u32 val, ctl; + + /* + * Until all keys are released, defer further processing to + * the polling loop in tegra_kbc_keypress_timer + */ + ctl = readl(kbc->mmio + KBC_CONTROL_0); + ctl &= ~KBC_CONTROL_FIFO_CNT_INT_EN; + writel(ctl, kbc->mmio + KBC_CONTROL_0); + + /* + * Quickly bail out & reenable interrupts if the fifo threshold + * count interrupt wasn't the interrupt source + */ + val = readl(kbc->mmio + KBC_INT_0); + writel(val, kbc->mmio + KBC_INT_0); + + if (val & KBC_INT_FIFO_CNT_INT_STATUS) { + /* + * Schedule timer to run when hardware is in continuous + * polling mode. + */ + mod_timer(&kbc->timer, jiffies + kbc->cp_dly_jiffies); + } else { + ctl |= KBC_CONTROL_FIFO_CNT_INT_EN; + writel(ctl, kbc->mmio + KBC_CONTROL_0); + } + + return IRQ_HANDLED; +} + +static void tegra_kbc_setup_wakekeys(struct tegra_kbc *kbc, bool filter) +{ + const struct tegra_kbc_platform_data *pdata = kbc->pdata; + int i; + unsigned int rst_val; + + BUG_ON(pdata->wake_cnt > KBC_MAX_KEY); + rst_val = (filter && pdata->wake_cnt) ? ~0 : 0; + + for (i = 0; i < KBC_MAX_ROW; i++) + writel(rst_val, kbc->mmio + KBC_ROW0_MASK_0 + i * 4); + + if (filter) { + for (i = 0; i < pdata->wake_cnt; i++) { + u32 val, addr; + addr = pdata->wake_cfg[i].row * 4 + KBC_ROW0_MASK_0; + val = readl(kbc->mmio + addr); + val &= ~(1 << pdata->wake_cfg[i].col); + writel(val, kbc->mmio + addr); + } + } +} + +static void tegra_kbc_config_pins(struct tegra_kbc *kbc) +{ + const struct tegra_kbc_platform_data *pdata = kbc->pdata; + int i; + + for (i = 0; i < KBC_MAX_GPIO; i++) { + u32 r_shft = 5 * (i % 6); + u32 c_shft = 4 * (i % 8); + u32 r_mask = 0x1f << r_shft; + u32 c_mask = 0x0f << c_shft; + u32 r_offs = (i / 6) * 4 + KBC_ROW_CFG0_0; + u32 c_offs = (i / 8) * 4 + KBC_COL_CFG0_0; + u32 row_cfg = readl(kbc->mmio + r_offs); + u32 col_cfg = readl(kbc->mmio + c_offs); + + row_cfg &= ~r_mask; + col_cfg &= ~c_mask; + + if (pdata->pin_cfg[i].is_row) + row_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << r_shft; + else + col_cfg |= ((pdata->pin_cfg[i].num << 1) | 1) << c_shft; + + writel(row_cfg, kbc->mmio + r_offs); + writel(col_cfg, kbc->mmio + c_offs); + } +} + +static int tegra_kbc_start(struct tegra_kbc *kbc) +{ + const struct tegra_kbc_platform_data *pdata = kbc->pdata; + unsigned long flags; + unsigned int debounce_cnt; + u32 val = 0; + + clk_enable(kbc->clk); + + /* Reset the KBC controller to clear all previous status.*/ + tegra_periph_reset_assert(kbc->clk); + udelay(100); + tegra_periph_reset_deassert(kbc->clk); + udelay(100); + + tegra_kbc_config_pins(kbc); + tegra_kbc_setup_wakekeys(kbc, false); + + writel(pdata->repeat_cnt, kbc->mmio + KBC_RPT_DLY_0); + + /* Keyboard debounce count is maximum of 12 bits. */ + debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT); + val = KBC_DEBOUNCE_CNT_SHIFT(debounce_cnt); + val |= KBC_FIFO_TH_CNT_SHIFT(1); /* set fifo interrupt threshold to 1 */ + val |= KBC_CONTROL_FIFO_CNT_INT_EN; /* interrupt on FIFO threshold */ + val |= KBC_CONTROL_KBC_EN; /* enable */ + writel(val, kbc->mmio + KBC_CONTROL_0); + + /* + * Compute the delay(ns) from interrupt mode to continuous polling + * mode so the timer routine is scheduled appropriately. + */ + val = readl(kbc->mmio + KBC_INIT_DLY_0); + kbc->cp_dly_jiffies = usecs_to_jiffies((val & 0xfffff) * 32); + + kbc->num_pressed_keys = 0; + + /* + * Atomically clear out any remaining entries in the key FIFO + * and enable keyboard interrupts. + */ + spin_lock_irqsave(&kbc->lock, flags); + while (1) { + val = readl(kbc->mmio + KBC_INT_0); + val >>= 4; + if (!val) + break; + + val = readl(kbc->mmio + KBC_KP_ENT0_0); + val = readl(kbc->mmio + KBC_KP_ENT1_0); + } + writel(0x7, kbc->mmio + KBC_INT_0); + spin_unlock_irqrestore(&kbc->lock, flags); + + enable_irq(kbc->irq); + + return 0; +} + +static void tegra_kbc_stop(struct tegra_kbc *kbc) +{ + unsigned long flags; + u32 val; + + spin_lock_irqsave(&kbc->lock, flags); + val = readl(kbc->mmio + KBC_CONTROL_0); + val &= ~1; + writel(val, kbc->mmio + KBC_CONTROL_0); + spin_unlock_irqrestore(&kbc->lock, flags); + + disable_irq(kbc->irq); + del_timer_sync(&kbc->timer); + + clk_disable(kbc->clk); +} + +static int tegra_kbc_open(struct input_dev *dev) +{ + struct tegra_kbc *kbc = input_get_drvdata(dev); + + return tegra_kbc_start(kbc); +} + +static void tegra_kbc_close(struct input_dev *dev) +{ + struct tegra_kbc *kbc = input_get_drvdata(dev); + + return tegra_kbc_stop(kbc); +} + +static bool __devinit +tegra_kbc_check_pin_cfg(const struct tegra_kbc_platform_data *pdata, + struct device *dev, unsigned int *num_rows) +{ + int i; + + *num_rows = 0; + + for (i = 0; i < KBC_MAX_GPIO; i++) { + const struct tegra_kbc_pin_cfg *pin_cfg = &pdata->pin_cfg[i]; + + if (pin_cfg->is_row) { + if (pin_cfg->num >= KBC_MAX_ROW) { + dev_err(dev, + "pin_cfg[%d]: invalid row number %d\n", + i, pin_cfg->num); + return false; + } + (*num_rows)++; + } else { + if (pin_cfg->num >= KBC_MAX_COL) { + dev_err(dev, + "pin_cfg[%d]: invalid column number %d\n", + i, pin_cfg->num); + return false; + } + } + } + + return true; +} + +static int __devinit tegra_kbc_probe(struct platform_device *pdev) +{ + const struct tegra_kbc_platform_data *pdata = pdev->dev.platform_data; + const struct matrix_keymap_data *keymap_data; + struct tegra_kbc *kbc; + struct input_dev *input_dev; + struct resource *res; + int irq; + int err; + int i; + int num_rows = 0; + unsigned int debounce_cnt; + unsigned int scan_time_rows; + + if (!pdata) + return -EINVAL; + + if (!tegra_kbc_check_pin_cfg(pdata, &pdev->dev, &num_rows)) + return -EINVAL; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get I/O memory\n"); + return -ENXIO; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "failed to get keyboard IRQ\n"); + return -ENXIO; + } + + kbc = kzalloc(sizeof(*kbc), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!kbc || !input_dev) { + err = -ENOMEM; + goto err_free_mem; + } + + kbc->pdata = pdata; + kbc->idev = input_dev; + kbc->irq = irq; + spin_lock_init(&kbc->lock); + setup_timer(&kbc->timer, tegra_kbc_keypress_timer, (unsigned long)kbc); + + res = request_mem_region(res->start, resource_size(res), pdev->name); + if (!res) { + dev_err(&pdev->dev, "failed to request I/O memory\n"); + err = -EBUSY; + goto err_free_mem; + } + + kbc->mmio = ioremap(res->start, resource_size(res)); + if (!kbc->mmio) { + dev_err(&pdev->dev, "failed to remap I/O memory\n"); + err = -ENXIO; + goto err_free_mem_region; + } + + kbc->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(kbc->clk)) { + dev_err(&pdev->dev, "failed to get keyboard clock\n"); + err = PTR_ERR(kbc->clk); + goto err_iounmap; + } + + kbc->wake_enable_rows = 0; + kbc->wake_enable_cols = 0; + for (i = 0; i < pdata->wake_cnt; i++) { + kbc->wake_enable_rows |= (1 << pdata->wake_cfg[i].row); + kbc->wake_enable_cols |= (1 << pdata->wake_cfg[i].col); + } + + /* + * The time delay between two consecutive reads of the FIFO is + * the sum of the repeat time and the time taken for scanning + * the rows. There is an additional delay before the row scanning + * starts. The repoll delay is computed in milliseconds. + */ + debounce_cnt = min(pdata->debounce_cnt, KBC_MAX_DEBOUNCE_CNT); + scan_time_rows = (KBC_ROW_SCAN_TIME + debounce_cnt) * num_rows; + kbc->repoll_dly = KBC_ROW_SCAN_DLY + scan_time_rows + pdata->repeat_cnt; + kbc->repoll_dly = ((kbc->repoll_dly * KBC_CYCLE_USEC) + 999) / 1000; + + input_dev->name = pdev->name; + input_dev->id.bustype = BUS_HOST; + input_dev->dev.parent = &pdev->dev; + input_dev->open = tegra_kbc_open; + input_dev->close = tegra_kbc_close; + + input_set_drvdata(input_dev, kbc); + + input_dev->evbit[0] = BIT_MASK(EV_KEY); + input_set_capability(input_dev, EV_MSC, MSC_SCAN); + + input_dev->keycode = kbc->keycode; + input_dev->keycodesize = sizeof(kbc->keycode[0]); + input_dev->keycodemax = ARRAY_SIZE(kbc->keycode); + + keymap_data = pdata->keymap_data ?: &tegra_kbc_default_keymap_data; + matrix_keypad_build_keymap(keymap_data, KBC_ROW_SHIFT, + input_dev->keycode, input_dev->keybit); + + err = request_irq(kbc->irq, tegra_kbc_isr, IRQF_TRIGGER_HIGH, + pdev->name, kbc); + if (err) { + dev_err(&pdev->dev, "failed to request keyboard IRQ\n"); + goto err_put_clk; + } + + disable_irq(kbc->irq); + + err = input_register_device(kbc->idev); + if (err) { + dev_err(&pdev->dev, "failed to register input device\n"); + goto err_free_irq; + } + + platform_set_drvdata(pdev, kbc); + device_init_wakeup(&pdev->dev, pdata->wakeup); + + return 0; + +err_free_irq: + free_irq(kbc->irq, pdev); +err_put_clk: + clk_put(kbc->clk); +err_iounmap: + iounmap(kbc->mmio); +err_free_mem_region: + release_mem_region(res->start, resource_size(res)); +err_free_mem: + input_free_device(kbc->idev); + kfree(kbc); + + return err; +} + +static int __devexit tegra_kbc_remove(struct platform_device *pdev) +{ + struct tegra_kbc *kbc = platform_get_drvdata(pdev); + struct resource *res; + + free_irq(kbc->irq, pdev); + clk_put(kbc->clk); + + input_unregister_device(kbc->idev); + iounmap(kbc->mmio); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, resource_size(res)); + + kfree(kbc); + + platform_set_drvdata(pdev, NULL); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int tegra_kbc_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct tegra_kbc *kbc = platform_get_drvdata(pdev); + + if (device_may_wakeup(&pdev->dev)) { + tegra_kbc_setup_wakekeys(kbc, true); + enable_irq_wake(kbc->irq); + /* Forcefully clear the interrupt status */ + writel(0x7, kbc->mmio + KBC_INT_0); + msleep(30); + } else { + mutex_lock(&kbc->idev->mutex); + if (kbc->idev->users) + tegra_kbc_stop(kbc); + mutex_unlock(&kbc->idev->mutex); + } + + return 0; +} + +static int tegra_kbc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct tegra_kbc *kbc = platform_get_drvdata(pdev); + int err = 0; + + if (device_may_wakeup(&pdev->dev)) { + disable_irq_wake(kbc->irq); + tegra_kbc_setup_wakekeys(kbc, false); + } else { + mutex_lock(&kbc->idev->mutex); + if (kbc->idev->users) + err = tegra_kbc_start(kbc); + mutex_unlock(&kbc->idev->mutex); + } + + return err; +} +#endif + +static SIMPLE_DEV_PM_OPS(tegra_kbc_pm_ops, tegra_kbc_suspend, tegra_kbc_resume); + +static struct platform_driver tegra_kbc_driver = { + .probe = tegra_kbc_probe, + .remove = __devexit_p(tegra_kbc_remove), + .driver = { + .name = "tegra-kbc", + .owner = THIS_MODULE, + .pm = &tegra_kbc_pm_ops, + }, +}; + +static void __exit tegra_kbc_exit(void) +{ + platform_driver_unregister(&tegra_kbc_driver); +} +module_exit(tegra_kbc_exit); + +static int __init tegra_kbc_init(void) +{ + return platform_driver_register(&tegra_kbc_driver); +} +module_init(tegra_kbc_init); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Rakesh Iyer <riyer@nvidia.com>"); +MODULE_DESCRIPTION("Tegra matrix keyboard controller driver"); +MODULE_ALIAS("platform:tegra-kbc"); diff --git a/drivers/input/keyboard/tnetv107x-keypad.c b/drivers/input/keyboard/tnetv107x-keypad.c index b4a81ebfab9..c8f097a15d8 100644 --- a/drivers/input/keyboard/tnetv107x-keypad.c +++ b/drivers/input/keyboard/tnetv107x-keypad.c @@ -14,6 +14,7 @@ */ #include <linux/kernel.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/input.h> #include <linux/platform_device.h> @@ -219,9 +220,9 @@ static int __devinit keypad_probe(struct platform_device *pdev) } kp->clk = clk_get(dev, NULL); - if (!kp->clk) { + if (IS_ERR(kp->clk)) { dev_err(dev, "cannot claim device clock\n"); - error = -EINVAL; + error = PTR_ERR(kp->clk); goto error_clk; } diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index b99b8cbde02..b0c6772851a 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -294,24 +294,6 @@ config INPUT_SGI_BTNS To compile this driver as a module, choose M here: the module will be called sgi_btns. -config INPUT_WINBOND_CIR - tristate "Winbond IR remote control" - depends on X86 && PNP - select NEW_LEDS - select LEDS_CLASS - select LEDS_TRIGGERS - select BITREVERSE - help - Say Y here if you want to use the IR remote functionality found - in some Winbond SuperI/O chips. Currently only the WPCD376I - chip is supported (included in some Intel Media series motherboards). - - IR Receive and wake-on-IR from suspend and power-off is currently - supported. - - To compile this driver as a module, choose M here: the module will be - called winbond_cir. - config HP_SDC_RTC tristate "HP SDC Real Time Clock" depends on (GSC || HP300) && SERIO @@ -448,4 +430,28 @@ config INPUT_ADXL34X_SPI To compile this driver as a module, choose M here: the module will be called adxl34x-spi. +config INPUT_CMA3000 + tristate "VTI CMA3000 Tri-axis accelerometer" + help + Say Y here if you want to use VTI CMA3000_D0x Accelerometer + driver + + This driver currently only supports I2C interface to the + controller. Also select the I2C method. + + If unsure, say N + + To compile this driver as a module, choose M here: the + module will be called cma3000_d0x. + +config INPUT_CMA3000_I2C + tristate "Support I2C bus connection" + depends on INPUT_CMA3000 && I2C + help + Say Y here if you want to use VTI CMA3000_D0x Accelerometer + through I2C interface. + + To compile this driver as a module, choose M here: the + module will be called cma3000_d0x_i2c. + endif diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index 1fe1f6c8b73..9b4797112c9 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -18,6 +18,8 @@ obj-$(CONFIG_INPUT_ATI_REMOTE2) += ati_remote2.o obj-$(CONFIG_INPUT_ATLAS_BTNS) += atlas_btns.o obj-$(CONFIG_INPUT_BFIN_ROTARY) += bfin_rotary.o obj-$(CONFIG_INPUT_CM109) += cm109.o +obj-$(CONFIG_INPUT_CMA3000) += cma3000_d0x.o +obj-$(CONFIG_INPUT_CMA3000_I2C) += cma3000_d0x_i2c.o obj-$(CONFIG_INPUT_COBALT_BTNS) += cobalt_btns.o obj-$(CONFIG_INPUT_DM355EVM) += dm355evm_keys.o obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o @@ -38,7 +40,6 @@ obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON) += twl4030-pwrbutton.o obj-$(CONFIG_INPUT_TWL4030_VIBRA) += twl4030-vibra.o obj-$(CONFIG_INPUT_UINPUT) += uinput.o -obj-$(CONFIG_INPUT_WINBOND_CIR) += winbond-cir.o obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o obj-$(CONFIG_INPUT_WM831X_ON) += wm831x-on.o obj-$(CONFIG_INPUT_YEALINK) += yealink.o diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c new file mode 100644 index 00000000000..1633b634226 --- /dev/null +++ b/drivers/input/misc/cma3000_d0x.c @@ -0,0 +1,398 @@ +/* + * VTI CMA3000_D0x Accelerometer driver + * + * Copyright (C) 2010 Texas Instruments + * Author: Hemanth V <hemanthv@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/input/cma3000.h> + +#include "cma3000_d0x.h" + +#define CMA3000_WHOAMI 0x00 +#define CMA3000_REVID 0x01 +#define CMA3000_CTRL 0x02 +#define CMA3000_STATUS 0x03 +#define CMA3000_RSTR 0x04 +#define CMA3000_INTSTATUS 0x05 +#define CMA3000_DOUTX 0x06 +#define CMA3000_DOUTY 0x07 +#define CMA3000_DOUTZ 0x08 +#define CMA3000_MDTHR 0x09 +#define CMA3000_MDFFTMR 0x0A +#define CMA3000_FFTHR 0x0B + +#define CMA3000_RANGE2G (1 << 7) +#define CMA3000_RANGE8G (0 << 7) +#define CMA3000_BUSI2C (0 << 4) +#define CMA3000_MODEMASK (7 << 1) +#define CMA3000_GRANGEMASK (1 << 7) + +#define CMA3000_STATUS_PERR 1 +#define CMA3000_INTSTATUS_FFDET (1 << 2) + +/* Settling time delay in ms */ +#define CMA3000_SETDELAY 30 + +/* Delay for clearing interrupt in us */ +#define CMA3000_INTDELAY 44 + + +/* + * Bit weights in mg for bit 0, other bits need + * multipy factor 2^n. Eight bit is the sign bit. + */ +#define BIT_TO_2G 18 +#define BIT_TO_8G 71 + +struct cma3000_accl_data { + const struct cma3000_bus_ops *bus_ops; + const struct cma3000_platform_data *pdata; + + struct device *dev; + struct input_dev *input_dev; + + int bit_to_mg; + int irq; + + int g_range; + u8 mode; + + struct mutex mutex; + bool opened; + bool suspended; +}; + +#define CMA3000_READ(data, reg, msg) \ + (data->bus_ops->read(data->dev, reg, msg)) +#define CMA3000_SET(data, reg, val, msg) \ + ((data)->bus_ops->write(data->dev, reg, val, msg)) + +/* + * Conversion for each of the eight modes to g, depending + * on G range i.e 2G or 8G. Some modes always operate in + * 8G. + */ + +static int mode_to_mg[8][2] = { + { 0, 0 }, + { BIT_TO_8G, BIT_TO_2G }, + { BIT_TO_8G, BIT_TO_2G }, + { BIT_TO_8G, BIT_TO_8G }, + { BIT_TO_8G, BIT_TO_8G }, + { BIT_TO_8G, BIT_TO_2G }, + { BIT_TO_8G, BIT_TO_2G }, + { 0, 0}, +}; + +static void decode_mg(struct cma3000_accl_data *data, int *datax, + int *datay, int *dataz) +{ + /* Data in 2's complement, convert to mg */ + *datax = ((s8)*datax) * data->bit_to_mg; + *datay = ((s8)*datay) * data->bit_to_mg; + *dataz = ((s8)*dataz) * data->bit_to_mg; +} + +static irqreturn_t cma3000_thread_irq(int irq, void *dev_id) +{ + struct cma3000_accl_data *data = dev_id; + int datax, datay, dataz; + u8 ctrl, mode, range, intr_status; + + intr_status = CMA3000_READ(data, CMA3000_INTSTATUS, "interrupt status"); + if (intr_status < 0) + return IRQ_NONE; + + /* Check if free fall is detected, report immediately */ + if (intr_status & CMA3000_INTSTATUS_FFDET) { + input_report_abs(data->input_dev, ABS_MISC, 1); + input_sync(data->input_dev); + } else { + input_report_abs(data->input_dev, ABS_MISC, 0); + } + + datax = CMA3000_READ(data, CMA3000_DOUTX, "X"); + datay = CMA3000_READ(data, CMA3000_DOUTY, "Y"); + dataz = CMA3000_READ(data, CMA3000_DOUTZ, "Z"); + + ctrl = CMA3000_READ(data, CMA3000_CTRL, "ctrl"); + mode = (ctrl & CMA3000_MODEMASK) >> 1; + range = (ctrl & CMA3000_GRANGEMASK) >> 7; + + data->bit_to_mg = mode_to_mg[mode][range]; + + /* Interrupt not for this device */ + if (data->bit_to_mg == 0) + return IRQ_NONE; + + /* Decode register values to milli g */ + decode_mg(data, &datax, &datay, &dataz); + + input_report_abs(data->input_dev, ABS_X, datax); + input_report_abs(data->input_dev, ABS_Y, datay); + input_report_abs(data->input_dev, ABS_Z, dataz); + input_sync(data->input_dev); + + return IRQ_HANDLED; +} + +static int cma3000_reset(struct cma3000_accl_data *data) +{ + int val; + + /* Reset sequence */ + CMA3000_SET(data, CMA3000_RSTR, 0x02, "Reset"); + CMA3000_SET(data, CMA3000_RSTR, 0x0A, "Reset"); + CMA3000_SET(data, CMA3000_RSTR, 0x04, "Reset"); + + /* Settling time delay */ + mdelay(10); + + val = CMA3000_READ(data, CMA3000_STATUS, "Status"); + if (val < 0) { + dev_err(data->dev, "Reset failed\n"); + return val; + } + + if (val & CMA3000_STATUS_PERR) { + dev_err(data->dev, "Parity Error\n"); + return -EIO; + } + + return 0; +} + +static int cma3000_poweron(struct cma3000_accl_data *data) +{ + const struct cma3000_platform_data *pdata = data->pdata; + u8 ctrl = 0; + int ret; + + if (data->g_range == CMARANGE_2G) { + ctrl = (data->mode << 1) | CMA3000_RANGE2G; + } else if (data->g_range == CMARANGE_8G) { + ctrl = (data->mode << 1) | CMA3000_RANGE8G; + } else { + dev_info(data->dev, + "Invalid G range specified, assuming 8G\n"); + ctrl = (data->mode << 1) | CMA3000_RANGE8G; + } + + ctrl |= data->bus_ops->ctrl_mod; + + CMA3000_SET(data, CMA3000_MDTHR, pdata->mdthr, + "Motion Detect Threshold"); + CMA3000_SET(data, CMA3000_MDFFTMR, pdata->mdfftmr, + "Time register"); + CMA3000_SET(data, CMA3000_FFTHR, pdata->ffthr, + "Free fall threshold"); + ret = CMA3000_SET(data, CMA3000_CTRL, ctrl, "Mode setting"); + if (ret < 0) + return -EIO; + + msleep(CMA3000_SETDELAY); + + return 0; +} + +static int cma3000_poweroff(struct cma3000_accl_data *data) +{ + int ret; + + ret = CMA3000_SET(data, CMA3000_CTRL, CMAMODE_POFF, "Mode setting"); + msleep(CMA3000_SETDELAY); + + return ret; +} + +static int cma3000_open(struct input_dev *input_dev) +{ + struct cma3000_accl_data *data = input_get_drvdata(input_dev); + + mutex_lock(&data->mutex); + + if (!data->suspended) + cma3000_poweron(data); + + data->opened = true; + + mutex_unlock(&data->mutex); + + return 0; +} + +static void cma3000_close(struct input_dev *input_dev) +{ + struct cma3000_accl_data *data = input_get_drvdata(input_dev); + + mutex_lock(&data->mutex); + + if (!data->suspended) + cma3000_poweroff(data); + + data->opened = false; + + mutex_unlock(&data->mutex); +} + +void cma3000_suspend(struct cma3000_accl_data *data) +{ + mutex_lock(&data->mutex); + + if (!data->suspended && data->opened) + cma3000_poweroff(data); + + data->suspended = true; + + mutex_unlock(&data->mutex); +} +EXPORT_SYMBOL(cma3000_suspend); + + +void cma3000_resume(struct cma3000_accl_data *data) +{ + mutex_lock(&data->mutex); + + if (data->suspended && data->opened) + cma3000_poweron(data); + + data->suspended = false; + + mutex_unlock(&data->mutex); +} +EXPORT_SYMBOL(cma3000_resume); + +struct cma3000_accl_data *cma3000_init(struct device *dev, int irq, + const struct cma3000_bus_ops *bops) +{ + const struct cma3000_platform_data *pdata = dev->platform_data; + struct cma3000_accl_data *data; + struct input_dev *input_dev; + int rev; + int error; + + if (!pdata) { + dev_err(dev, "platform data not found\n"); + error = -EINVAL; + goto err_out; + } + + + /* if no IRQ return error */ + if (irq == 0) { + error = -EINVAL; + goto err_out; + } + + data = kzalloc(sizeof(struct cma3000_accl_data), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!data || !input_dev) { + error = -ENOMEM; + goto err_free_mem; + } + + data->dev = dev; + data->input_dev = input_dev; + data->bus_ops = bops; + data->pdata = pdata; + data->irq = irq; + mutex_init(&data->mutex); + + data->mode = pdata->mode; + if (data->mode < CMAMODE_DEFAULT || data->mode > CMAMODE_POFF) { + data->mode = CMAMODE_MOTDET; + dev_warn(dev, + "Invalid mode specified, assuming Motion Detect\n"); + } + + data->g_range = pdata->g_range; + if (data->g_range != CMARANGE_2G && data->g_range != CMARANGE_8G) { + dev_info(dev, + "Invalid G range specified, assuming 8G\n"); + data->g_range = CMARANGE_8G; + } + + input_dev->name = "cma3000-accelerometer"; + input_dev->id.bustype = bops->bustype; + input_dev->open = cma3000_open; + input_dev->close = cma3000_close; + + __set_bit(EV_ABS, input_dev->evbit); + + input_set_abs_params(input_dev, ABS_X, + -data->g_range, data->g_range, pdata->fuzz_x, 0); + input_set_abs_params(input_dev, ABS_Y, + -data->g_range, data->g_range, pdata->fuzz_y, 0); + input_set_abs_params(input_dev, ABS_Z, + -data->g_range, data->g_range, pdata->fuzz_z, 0); + input_set_abs_params(input_dev, ABS_MISC, 0, 1, 0, 0); + + input_set_drvdata(input_dev, data); + + error = cma3000_reset(data); + if (error) + goto err_free_mem; + + rev = CMA3000_READ(data, CMA3000_REVID, "Revid"); + if (rev < 0) { + error = rev; + goto err_free_mem; + } + + pr_info("CMA3000 Accelerometer: Revision %x\n", rev); + + error = request_threaded_irq(irq, NULL, cma3000_thread_irq, + pdata->irqflags | IRQF_ONESHOT, + "cma3000_d0x", data); + if (error) { + dev_err(dev, "request_threaded_irq failed\n"); + goto err_free_mem; + } + + error = input_register_device(data->input_dev); + if (error) { + dev_err(dev, "Unable to register input device\n"); + goto err_free_irq; + } + + return data; + +err_free_irq: + free_irq(irq, data); +err_free_mem: + input_free_device(input_dev); + kfree(data); +err_out: + return ERR_PTR(error); +} +EXPORT_SYMBOL(cma3000_init); + +void cma3000_exit(struct cma3000_accl_data *data) +{ + free_irq(data->irq, data); + input_unregister_device(data->input_dev); + kfree(data); +} +EXPORT_SYMBOL(cma3000_exit); + +MODULE_DESCRIPTION("CMA3000-D0x Accelerometer Driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Hemanth V <hemanthv@ti.com>"); diff --git a/drivers/input/misc/cma3000_d0x.h b/drivers/input/misc/cma3000_d0x.h new file mode 100644 index 00000000000..2304ce306e1 --- /dev/null +++ b/drivers/input/misc/cma3000_d0x.h @@ -0,0 +1,42 @@ +/* + * VTI CMA3000_D0x Accelerometer driver + * + * Copyright (C) 2010 Texas Instruments + * Author: Hemanth V <hemanthv@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _INPUT_CMA3000_H +#define _INPUT_CMA3000_H + +#include <linux/types.h> +#include <linux/input.h> + +struct device; +struct cma3000_accl_data; + +struct cma3000_bus_ops { + u16 bustype; + u8 ctrl_mod; + int (*read)(struct device *, u8, char *); + int (*write)(struct device *, u8, u8, char *); +}; + +struct cma3000_accl_data *cma3000_init(struct device *dev, int irq, + const struct cma3000_bus_ops *bops); +void cma3000_exit(struct cma3000_accl_data *); +void cma3000_suspend(struct cma3000_accl_data *); +void cma3000_resume(struct cma3000_accl_data *); + +#endif diff --git a/drivers/input/misc/cma3000_d0x_i2c.c b/drivers/input/misc/cma3000_d0x_i2c.c new file mode 100644 index 00000000000..d100cc5c578 --- /dev/null +++ b/drivers/input/misc/cma3000_d0x_i2c.c @@ -0,0 +1,143 @@ +/* + * Implements I2C interface for VTI CMA300_D0x Accelerometer driver + * + * Copyright (C) 2010 Texas Instruments + * Author: Hemanth V <hemanthv@ti.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/module.h> +#include <linux/i2c.h> +#include <linux/input/cma3000.h> +#include "cma3000_d0x.h" + +static int cma3000_i2c_set(struct device *dev, + u8 reg, u8 val, char *msg) +{ + struct i2c_client *client = to_i2c_client(dev); + int ret; + + ret = i2c_smbus_write_byte_data(client, reg, val); + if (ret < 0) + dev_err(&client->dev, + "%s failed (%s, %d)\n", __func__, msg, ret); + return ret; +} + +static int cma3000_i2c_read(struct device *dev, u8 reg, char *msg) +{ + struct i2c_client *client = to_i2c_client(dev); + int ret; + + ret = i2c_smbus_read_byte_data(client, reg); + if (ret < 0) + dev_err(&client->dev, + "%s failed (%s, %d)\n", __func__, msg, ret); + return ret; +} + +static const struct cma3000_bus_ops cma3000_i2c_bops = { + .bustype = BUS_I2C, +#define CMA3000_BUSI2C (0 << 4) + .ctrl_mod = CMA3000_BUSI2C, + .read = cma3000_i2c_read, + .write = cma3000_i2c_set, +}; + +static int __devinit cma3000_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct cma3000_accl_data *data; + + data = cma3000_init(&client->dev, client->irq, &cma3000_i2c_bops); + if (IS_ERR(data)) + return PTR_ERR(data); + + i2c_set_clientdata(client, data); + + return 0; +} + +static int __devexit cma3000_i2c_remove(struct i2c_client *client) +{ + struct cma3000_accl_data *data = i2c_get_clientdata(client); + + cma3000_exit(data); + + return 0; +} + +#ifdef CONFIG_PM +static int cma3000_i2c_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct cma3000_accl_data *data = i2c_get_clientdata(client); + + cma3000_suspend(data); + + return 0; +} + +static int cma3000_i2c_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct cma3000_accl_data *data = i2c_get_clientdata(client); + + cma3000_resume(data); + + return 0; +} + +static const struct dev_pm_ops cma3000_i2c_pm_ops = { + .suspend = cma3000_i2c_suspend, + .resume = cma3000_i2c_resume, +}; +#endif + +static const struct i2c_device_id cma3000_i2c_id[] = { + { "cma3000_d01", 0 }, + { }, +}; + +MODULE_DEVICE_TABLE(i2c, cma3000_i2c_id); + +static struct i2c_driver cma3000_i2c_driver = { + .probe = cma3000_i2c_probe, + .remove = __devexit_p(cma3000_i2c_remove), + .id_table = cma3000_i2c_id, + .driver = { + .name = "cma3000_i2c_accl", + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &cma3000_i2c_pm_ops, +#endif + }, +}; + +static int __init cma3000_i2c_init(void) +{ + return i2c_add_driver(&cma3000_i2c_driver); +} + +static void __exit cma3000_i2c_exit(void) +{ + i2c_del_driver(&cma3000_i2c_driver); +} + +module_init(cma3000_i2c_init); +module_exit(cma3000_i2c_exit); + +MODULE_DESCRIPTION("CMA3000-D0x Accelerometer I2C Driver"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Hemanth V <hemanthv@ti.com>"); diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c index 9dfd6e5f786..1f38302a595 100644 --- a/drivers/input/misc/ixp4xx-beeper.c +++ b/drivers/input/misc/ixp4xx-beeper.c @@ -69,11 +69,7 @@ static int ixp4xx_spkr_event(struct input_dev *dev, unsigned int type, unsigned } if (value > 20 && value < 32767) -#ifndef FREQ - count = (ixp4xx_get_board_tick_rate() / (value * 4)) - 1; -#else - count = (FREQ / (value * 4)) - 1; -#endif + count = (IXP4XX_TIMER_FREQ / (value * 4)) - 1; ixp4xx_spkr_control(pin, count); diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c index d1583aea172..08be1a35595 100644 --- a/drivers/input/misc/pcf8574_keypad.c +++ b/drivers/input/misc/pcf8574_keypad.c @@ -169,19 +169,29 @@ static int __devexit pcf8574_kp_remove(struct i2c_client *client) } #ifdef CONFIG_PM -static int pcf8574_kp_resume(struct i2c_client *client) +static int pcf8574_kp_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + enable_irq(client->irq); return 0; } -static int pcf8574_kp_suspend(struct i2c_client *client, pm_message_t mesg) +static int pcf8574_kp_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + disable_irq(client->irq); return 0; } + +static const struct dev_pm_ops pcf8574_kp_pm_ops = { + .suspend = pcf8574_kp_suspend, + .resume = pcf8574_kp_resume, +}; + #else # define pcf8574_kp_resume NULL # define pcf8574_kp_suspend NULL @@ -197,11 +207,12 @@ static struct i2c_driver pcf8574_kp_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &pcf8574_kp_pm_ops, +#endif }, .probe = pcf8574_kp_probe, .remove = __devexit_p(pcf8574_kp_remove), - .suspend = pcf8574_kp_suspend, - .resume = pcf8574_kp_resume, .id_table = pcf8574_kp_id, }; diff --git a/drivers/input/misc/rotary_encoder.c b/drivers/input/misc/rotary_encoder.c index 1f8e0108962..7e64d01da2b 100644 --- a/drivers/input/misc/rotary_encoder.c +++ b/drivers/input/misc/rotary_encoder.c @@ -176,7 +176,7 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev) /* request the IRQs */ err = request_irq(encoder->irq_a, &rotary_encoder_irq, - IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, DRV_NAME, encoder); if (err) { dev_err(&pdev->dev, "unable to request IRQ %d\n", @@ -185,7 +185,7 @@ static int __devinit rotary_encoder_probe(struct platform_device *pdev) } err = request_irq(encoder->irq_b, &rotary_encoder_irq, - IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, DRV_NAME, encoder); if (err) { dev_err(&pdev->dev, "unable to request IRQ %d\n", diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index b9410784e6a..82542a1c109 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -37,6 +37,7 @@ #include <linux/fs.h> #include <linux/miscdevice.h> #include <linux/uinput.h> +#include <linux/input/mt.h> #include "../input-compat.h" static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) @@ -406,8 +407,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu goto exit; if (test_bit(ABS_MT_SLOT, dev->absbit)) { int nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1; - input_mt_create_slots(dev, nslot); - input_set_events_per_packet(dev, 6 * nslot); + input_mt_init_slots(dev, nslot); } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) { input_set_events_per_packet(dev, 60); } @@ -680,6 +680,10 @@ static long uinput_ioctl_handler(struct file *file, unsigned int cmd, retval = uinput_set_bit(arg, swbit, SW_MAX); break; + case UI_SET_PROPBIT: + retval = uinput_set_bit(arg, propbit, INPUT_PROP_MAX); + break; + case UI_SET_PHYS: if (udev->state == UIST_CREATED) { retval = -EINVAL; diff --git a/drivers/input/misc/winbond-cir.c b/drivers/input/misc/winbond-cir.c deleted file mode 100644 index 64f1de7960c..00000000000 --- a/drivers/input/misc/winbond-cir.c +++ /dev/null @@ -1,1608 +0,0 @@ -/* - * winbond-cir.c - Driver for the Consumer IR functionality of Winbond - * SuperI/O chips. - * - * Currently supports the Winbond WPCD376i chip (PNP id WEC1022), but - * could probably support others (Winbond WEC102X, NatSemi, etc) - * with minor modifications. - * - * Original Author: David Härdeman <david@hardeman.nu> - * Copyright (C) 2009 David Härdeman <david@hardeman.nu> - * - * Dedicated to Matilda, my newborn daughter, without whose loving attention - * this driver would have been finished in half the time and with a fraction - * of the bugs. - * - * Written using: - * o Winbond WPCD376I datasheet helpfully provided by Jesse Barnes at Intel - * o NatSemi PC87338/PC97338 datasheet (for the serial port stuff) - * o DSDT dumps - * - * Supported features: - * o RC6 - * o Wake-On-CIR functionality - * - * To do: - * o Test NEC and RC5 - * - * Left as an exercise for the reader: - * o Learning (I have neither the hardware, nor the need) - * o IR Transmit (ibid) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/pnp.h> -#include <linux/interrupt.h> -#include <linux/timer.h> -#include <linux/input.h> -#include <linux/leds.h> -#include <linux/list.h> -#include <linux/spinlock.h> -#include <linux/pci_ids.h> -#include <linux/io.h> -#include <linux/bitrev.h> -#include <linux/bitops.h> -#include <linux/slab.h> - -#define DRVNAME "winbond-cir" - -/* CEIR Wake-Up Registers, relative to data->wbase */ -#define WBCIR_REG_WCEIR_CTL 0x03 /* CEIR Receiver Control */ -#define WBCIR_REG_WCEIR_STS 0x04 /* CEIR Receiver Status */ -#define WBCIR_REG_WCEIR_EV_EN 0x05 /* CEIR Receiver Event Enable */ -#define WBCIR_REG_WCEIR_CNTL 0x06 /* CEIR Receiver Counter Low */ -#define WBCIR_REG_WCEIR_CNTH 0x07 /* CEIR Receiver Counter High */ -#define WBCIR_REG_WCEIR_INDEX 0x08 /* CEIR Receiver Index */ -#define WBCIR_REG_WCEIR_DATA 0x09 /* CEIR Receiver Data */ -#define WBCIR_REG_WCEIR_CSL 0x0A /* CEIR Re. Compare Strlen */ -#define WBCIR_REG_WCEIR_CFG1 0x0B /* CEIR Re. Configuration 1 */ -#define WBCIR_REG_WCEIR_CFG2 0x0C /* CEIR Re. Configuration 2 */ - -/* CEIR Enhanced Functionality Registers, relative to data->ebase */ -#define WBCIR_REG_ECEIR_CTS 0x00 /* Enhanced IR Control Status */ -#define WBCIR_REG_ECEIR_CCTL 0x01 /* Infrared Counter Control */ -#define WBCIR_REG_ECEIR_CNT_LO 0x02 /* Infrared Counter LSB */ -#define WBCIR_REG_ECEIR_CNT_HI 0x03 /* Infrared Counter MSB */ -#define WBCIR_REG_ECEIR_IREM 0x04 /* Infrared Emitter Status */ - -/* SP3 Banked Registers, relative to data->sbase */ -#define WBCIR_REG_SP3_BSR 0x03 /* Bank Select, all banks */ - /* Bank 0 */ -#define WBCIR_REG_SP3_RXDATA 0x00 /* FIFO RX data (r) */ -#define WBCIR_REG_SP3_TXDATA 0x00 /* FIFO TX data (w) */ -#define WBCIR_REG_SP3_IER 0x01 /* Interrupt Enable */ -#define WBCIR_REG_SP3_EIR 0x02 /* Event Identification (r) */ -#define WBCIR_REG_SP3_FCR 0x02 /* FIFO Control (w) */ -#define WBCIR_REG_SP3_MCR 0x04 /* Mode Control */ -#define WBCIR_REG_SP3_LSR 0x05 /* Link Status */ -#define WBCIR_REG_SP3_MSR 0x06 /* Modem Status */ -#define WBCIR_REG_SP3_ASCR 0x07 /* Aux Status and Control */ - /* Bank 2 */ -#define WBCIR_REG_SP3_BGDL 0x00 /* Baud Divisor LSB */ -#define WBCIR_REG_SP3_BGDH 0x01 /* Baud Divisor MSB */ -#define WBCIR_REG_SP3_EXCR1 0x02 /* Extended Control 1 */ -#define WBCIR_REG_SP3_EXCR2 0x04 /* Extended Control 2 */ -#define WBCIR_REG_SP3_TXFLV 0x06 /* TX FIFO Level */ -#define WBCIR_REG_SP3_RXFLV 0x07 /* RX FIFO Level */ - /* Bank 3 */ -#define WBCIR_REG_SP3_MRID 0x00 /* Module Identification */ -#define WBCIR_REG_SP3_SH_LCR 0x01 /* LCR Shadow */ -#define WBCIR_REG_SP3_SH_FCR 0x02 /* FCR Shadow */ - /* Bank 4 */ -#define WBCIR_REG_SP3_IRCR1 0x02 /* Infrared Control 1 */ - /* Bank 5 */ -#define WBCIR_REG_SP3_IRCR2 0x04 /* Infrared Control 2 */ - /* Bank 6 */ -#define WBCIR_REG_SP3_IRCR3 0x00 /* Infrared Control 3 */ -#define WBCIR_REG_SP3_SIR_PW 0x02 /* SIR Pulse Width */ - /* Bank 7 */ -#define WBCIR_REG_SP3_IRRXDC 0x00 /* IR RX Demod Control */ -#define WBCIR_REG_SP3_IRTXMC 0x01 /* IR TX Mod Control */ -#define WBCIR_REG_SP3_RCCFG 0x02 /* CEIR Config */ -#define WBCIR_REG_SP3_IRCFG1 0x04 /* Infrared Config 1 */ -#define WBCIR_REG_SP3_IRCFG4 0x07 /* Infrared Config 4 */ - -/* - * Magic values follow - */ - -/* No interrupts for WBCIR_REG_SP3_IER and WBCIR_REG_SP3_EIR */ -#define WBCIR_IRQ_NONE 0x00 -/* RX data bit for WBCIR_REG_SP3_IER and WBCIR_REG_SP3_EIR */ -#define WBCIR_IRQ_RX 0x01 -/* Over/Under-flow bit for WBCIR_REG_SP3_IER and WBCIR_REG_SP3_EIR */ -#define WBCIR_IRQ_ERR 0x04 -/* Led enable/disable bit for WBCIR_REG_ECEIR_CTS */ -#define WBCIR_LED_ENABLE 0x80 -/* RX data available bit for WBCIR_REG_SP3_LSR */ -#define WBCIR_RX_AVAIL 0x01 -/* RX disable bit for WBCIR_REG_SP3_ASCR */ -#define WBCIR_RX_DISABLE 0x20 -/* Extended mode enable bit for WBCIR_REG_SP3_EXCR1 */ -#define WBCIR_EXT_ENABLE 0x01 -/* Select compare register in WBCIR_REG_WCEIR_INDEX (bits 5 & 6) */ -#define WBCIR_REGSEL_COMPARE 0x10 -/* Select mask register in WBCIR_REG_WCEIR_INDEX (bits 5 & 6) */ -#define WBCIR_REGSEL_MASK 0x20 -/* Starting address of selected register in WBCIR_REG_WCEIR_INDEX */ -#define WBCIR_REG_ADDR0 0x00 - -/* Valid banks for the SP3 UART */ -enum wbcir_bank { - WBCIR_BANK_0 = 0x00, - WBCIR_BANK_1 = 0x80, - WBCIR_BANK_2 = 0xE0, - WBCIR_BANK_3 = 0xE4, - WBCIR_BANK_4 = 0xE8, - WBCIR_BANK_5 = 0xEC, - WBCIR_BANK_6 = 0xF0, - WBCIR_BANK_7 = 0xF4, -}; - -/* Supported IR Protocols */ -enum wbcir_protocol { - IR_PROTOCOL_RC5 = 0x0, - IR_PROTOCOL_NEC = 0x1, - IR_PROTOCOL_RC6 = 0x2, -}; - -/* Misc */ -#define WBCIR_NAME "Winbond CIR" -#define WBCIR_ID_FAMILY 0xF1 /* Family ID for the WPCD376I */ -#define WBCIR_ID_CHIP 0x04 /* Chip ID for the WPCD376I */ -#define IR_KEYPRESS_TIMEOUT 250 /* FIXME: should be per-protocol? */ -#define INVALID_SCANCODE 0x7FFFFFFF /* Invalid with all protos */ -#define WAKEUP_IOMEM_LEN 0x10 /* Wake-Up I/O Reg Len */ -#define EHFUNC_IOMEM_LEN 0x10 /* Enhanced Func I/O Reg Len */ -#define SP_IOMEM_LEN 0x08 /* Serial Port 3 (IR) Reg Len */ -#define WBCIR_MAX_IDLE_BYTES 10 - -static DEFINE_SPINLOCK(wbcir_lock); -static DEFINE_RWLOCK(keytable_lock); - -struct wbcir_key { - u32 scancode; - unsigned int keycode; -}; - -struct wbcir_keyentry { - struct wbcir_key key; - struct list_head list; -}; - -static struct wbcir_key rc6_def_keymap[] = { - { 0x800F0400, KEY_NUMERIC_0 }, - { 0x800F0401, KEY_NUMERIC_1 }, - { 0x800F0402, KEY_NUMERIC_2 }, - { 0x800F0403, KEY_NUMERIC_3 }, - { 0x800F0404, KEY_NUMERIC_4 }, - { 0x800F0405, KEY_NUMERIC_5 }, - { 0x800F0406, KEY_NUMERIC_6 }, - { 0x800F0407, KEY_NUMERIC_7 }, - { 0x800F0408, KEY_NUMERIC_8 }, - { 0x800F0409, KEY_NUMERIC_9 }, - { 0x800F041D, KEY_NUMERIC_STAR }, - { 0x800F041C, KEY_NUMERIC_POUND }, - { 0x800F0410, KEY_VOLUMEUP }, - { 0x800F0411, KEY_VOLUMEDOWN }, - { 0x800F0412, KEY_CHANNELUP }, - { 0x800F0413, KEY_CHANNELDOWN }, - { 0x800F040E, KEY_MUTE }, - { 0x800F040D, KEY_VENDOR }, /* Vista Logo Key */ - { 0x800F041E, KEY_UP }, - { 0x800F041F, KEY_DOWN }, - { 0x800F0420, KEY_LEFT }, - { 0x800F0421, KEY_RIGHT }, - { 0x800F0422, KEY_OK }, - { 0x800F0423, KEY_ESC }, - { 0x800F040F, KEY_INFO }, - { 0x800F040A, KEY_CLEAR }, - { 0x800F040B, KEY_ENTER }, - { 0x800F045B, KEY_RED }, - { 0x800F045C, KEY_GREEN }, - { 0x800F045D, KEY_YELLOW }, - { 0x800F045E, KEY_BLUE }, - { 0x800F045A, KEY_TEXT }, - { 0x800F0427, KEY_SWITCHVIDEOMODE }, - { 0x800F040C, KEY_POWER }, - { 0x800F0450, KEY_RADIO }, - { 0x800F0448, KEY_PVR }, - { 0x800F0447, KEY_AUDIO }, - { 0x800F0426, KEY_EPG }, - { 0x800F0449, KEY_CAMERA }, - { 0x800F0425, KEY_TV }, - { 0x800F044A, KEY_VIDEO }, - { 0x800F0424, KEY_DVD }, - { 0x800F0416, KEY_PLAY }, - { 0x800F0418, KEY_PAUSE }, - { 0x800F0419, KEY_STOP }, - { 0x800F0414, KEY_FASTFORWARD }, - { 0x800F041A, KEY_NEXT }, - { 0x800F041B, KEY_PREVIOUS }, - { 0x800F0415, KEY_REWIND }, - { 0x800F0417, KEY_RECORD }, -}; - -/* Registers and other state is protected by wbcir_lock */ -struct wbcir_data { - unsigned long wbase; /* Wake-Up Baseaddr */ - unsigned long ebase; /* Enhanced Func. Baseaddr */ - unsigned long sbase; /* Serial Port Baseaddr */ - unsigned int irq; /* Serial Port IRQ */ - - struct input_dev *input_dev; - struct timer_list timer_keyup; - struct led_trigger *rxtrigger; - struct led_trigger *txtrigger; - struct led_classdev led; - - u32 last_scancode; - unsigned int last_keycode; - u8 last_toggle; - u8 keypressed; - unsigned long keyup_jiffies; - unsigned int idle_count; - - /* RX irdata and parsing state */ - unsigned long irdata[30]; - unsigned int irdata_count; - unsigned int irdata_idle; - unsigned int irdata_off; - unsigned int irdata_error; - - /* Protected by keytable_lock */ - struct list_head keytable; -}; - -static enum wbcir_protocol protocol = IR_PROTOCOL_RC6; -module_param(protocol, uint, 0444); -MODULE_PARM_DESC(protocol, "IR protocol to use " - "(0 = RC5, 1 = NEC, 2 = RC6A, default)"); - -static int invert; /* default = 0 */ -module_param(invert, bool, 0444); -MODULE_PARM_DESC(invert, "Invert the signal from the IR receiver"); - -static unsigned int wake_sc = 0x800F040C; -module_param(wake_sc, uint, 0644); -MODULE_PARM_DESC(wake_sc, "Scancode of the power-on IR command"); - -static unsigned int wake_rc6mode = 6; -module_param(wake_rc6mode, uint, 0644); -MODULE_PARM_DESC(wake_rc6mode, "RC6 mode for the power-on command " - "(0 = 0, 6 = 6A, default)"); - - - -/***************************************************************************** - * - * UTILITY FUNCTIONS - * - *****************************************************************************/ - -/* Caller needs to hold wbcir_lock */ -static void -wbcir_set_bits(unsigned long addr, u8 bits, u8 mask) -{ - u8 val; - - val = inb(addr); - val = ((val & ~mask) | (bits & mask)); - outb(val, addr); -} - -/* Selects the register bank for the serial port */ -static inline void -wbcir_select_bank(struct wbcir_data *data, enum wbcir_bank bank) -{ - outb(bank, data->sbase + WBCIR_REG_SP3_BSR); -} - -static enum led_brightness -wbcir_led_brightness_get(struct led_classdev *led_cdev) -{ - struct wbcir_data *data = container_of(led_cdev, - struct wbcir_data, - led); - - if (inb(data->ebase + WBCIR_REG_ECEIR_CTS) & WBCIR_LED_ENABLE) - return LED_FULL; - else - return LED_OFF; -} - -static void -wbcir_led_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct wbcir_data *data = container_of(led_cdev, - struct wbcir_data, - led); - - wbcir_set_bits(data->ebase + WBCIR_REG_ECEIR_CTS, - brightness == LED_OFF ? 0x00 : WBCIR_LED_ENABLE, - WBCIR_LED_ENABLE); -} - -/* Manchester encodes bits to RC6 message cells (see wbcir_parse_rc6) */ -static u8 -wbcir_to_rc6cells(u8 val) -{ - u8 coded = 0x00; - int i; - - val &= 0x0F; - for (i = 0; i < 4; i++) { - if (val & 0x01) - coded |= 0x02 << (i * 2); - else - coded |= 0x01 << (i * 2); - val >>= 1; - } - - return coded; -} - - - -/***************************************************************************** - * - * INPUT FUNCTIONS - * - *****************************************************************************/ - -static unsigned int -wbcir_do_getkeycode(struct wbcir_data *data, u32 scancode) -{ - struct wbcir_keyentry *keyentry; - unsigned int keycode = KEY_RESERVED; - unsigned long flags; - - read_lock_irqsave(&keytable_lock, flags); - - list_for_each_entry(keyentry, &data->keytable, list) { - if (keyentry->key.scancode == scancode) { - keycode = keyentry->key.keycode; - break; - } - } - - read_unlock_irqrestore(&keytable_lock, flags); - return keycode; -} - -static int -wbcir_getkeycode(struct input_dev *dev, - unsigned int scancode, unsigned int *keycode) -{ - struct wbcir_data *data = input_get_drvdata(dev); - - *keycode = wbcir_do_getkeycode(data, scancode); - return 0; -} - -static int -wbcir_setkeycode(struct input_dev *dev, - unsigned int scancode, unsigned int keycode) -{ - struct wbcir_data *data = input_get_drvdata(dev); - struct wbcir_keyentry *keyentry; - struct wbcir_keyentry *new_keyentry; - unsigned long flags; - unsigned int old_keycode = KEY_RESERVED; - - new_keyentry = kmalloc(sizeof(*new_keyentry), GFP_KERNEL); - if (!new_keyentry) - return -ENOMEM; - - write_lock_irqsave(&keytable_lock, flags); - - list_for_each_entry(keyentry, &data->keytable, list) { - if (keyentry->key.scancode != scancode) - continue; - - old_keycode = keyentry->key.keycode; - keyentry->key.keycode = keycode; - - if (keyentry->key.keycode == KEY_RESERVED) { - list_del(&keyentry->list); - kfree(keyentry); - } - - break; - } - - set_bit(keycode, dev->keybit); - - if (old_keycode == KEY_RESERVED) { - new_keyentry->key.scancode = scancode; - new_keyentry->key.keycode = keycode; - list_add(&new_keyentry->list, &data->keytable); - } else { - kfree(new_keyentry); - clear_bit(old_keycode, dev->keybit); - list_for_each_entry(keyentry, &data->keytable, list) { - if (keyentry->key.keycode == old_keycode) { - set_bit(old_keycode, dev->keybit); - break; - } - } - } - - write_unlock_irqrestore(&keytable_lock, flags); - return 0; -} - -/* - * Timer function to report keyup event some time after keydown is - * reported by the ISR. - */ -static void -wbcir_keyup(unsigned long cookie) -{ - struct wbcir_data *data = (struct wbcir_data *)cookie; - unsigned long flags; - - /* - * data->keyup_jiffies is used to prevent a race condition if a - * hardware interrupt occurs at this point and the keyup timer - * event is moved further into the future as a result. - * - * The timer will then be reactivated and this function called - * again in the future. We need to exit gracefully in that case - * to allow the input subsystem to do its auto-repeat magic or - * a keyup event might follow immediately after the keydown. - */ - - spin_lock_irqsave(&wbcir_lock, flags); - - if (time_is_after_eq_jiffies(data->keyup_jiffies) && data->keypressed) { - data->keypressed = 0; - led_trigger_event(data->rxtrigger, LED_OFF); - input_report_key(data->input_dev, data->last_keycode, 0); - input_sync(data->input_dev); - } - - spin_unlock_irqrestore(&wbcir_lock, flags); -} - -static void -wbcir_keydown(struct wbcir_data *data, u32 scancode, u8 toggle) -{ - unsigned int keycode; - - /* Repeat? */ - if (data->last_scancode == scancode && - data->last_toggle == toggle && - data->keypressed) - goto set_timer; - data->last_scancode = scancode; - - /* Do we need to release an old keypress? */ - if (data->keypressed) { - input_report_key(data->input_dev, data->last_keycode, 0); - input_sync(data->input_dev); - data->keypressed = 0; - } - - /* Report scancode */ - input_event(data->input_dev, EV_MSC, MSC_SCAN, (int)scancode); - - /* Do we know this scancode? */ - keycode = wbcir_do_getkeycode(data, scancode); - if (keycode == KEY_RESERVED) - goto set_timer; - - /* Register a keypress */ - input_report_key(data->input_dev, keycode, 1); - data->keypressed = 1; - data->last_keycode = keycode; - data->last_toggle = toggle; - -set_timer: - input_sync(data->input_dev); - led_trigger_event(data->rxtrigger, - data->keypressed ? LED_FULL : LED_OFF); - data->keyup_jiffies = jiffies + msecs_to_jiffies(IR_KEYPRESS_TIMEOUT); - mod_timer(&data->timer_keyup, data->keyup_jiffies); -} - - - -/***************************************************************************** - * - * IR PARSING FUNCTIONS - * - *****************************************************************************/ - -/* Resets all irdata */ -static void -wbcir_reset_irdata(struct wbcir_data *data) -{ - memset(data->irdata, 0, sizeof(data->irdata)); - data->irdata_count = 0; - data->irdata_off = 0; - data->irdata_error = 0; - data->idle_count = 0; -} - -/* Adds one bit of irdata */ -static void -add_irdata_bit(struct wbcir_data *data, int set) -{ - if (data->irdata_count >= sizeof(data->irdata) * 8) { - data->irdata_error = 1; - return; - } - - if (set) - __set_bit(data->irdata_count, data->irdata); - data->irdata_count++; -} - -/* Gets count bits of irdata */ -static u16 -get_bits(struct wbcir_data *data, int count) -{ - u16 val = 0x0; - - if (data->irdata_count - data->irdata_off < count) { - data->irdata_error = 1; - return 0x0; - } - - while (count > 0) { - val <<= 1; - if (test_bit(data->irdata_off, data->irdata)) - val |= 0x1; - count--; - data->irdata_off++; - } - - return val; -} - -/* Reads 16 cells and converts them to a byte */ -static u8 -wbcir_rc6cells_to_byte(struct wbcir_data *data) -{ - u16 raw = get_bits(data, 16); - u8 val = 0x00; - int bit; - - for (bit = 0; bit < 8; bit++) { - switch (raw & 0x03) { - case 0x01: - break; - case 0x02: - val |= (0x01 << bit); - break; - default: - data->irdata_error = 1; - break; - } - raw >>= 2; - } - - return val; -} - -/* Decodes a number of bits from raw RC5 data */ -static u8 -wbcir_get_rc5bits(struct wbcir_data *data, unsigned int count) -{ - u16 raw = get_bits(data, count * 2); - u8 val = 0x00; - int bit; - - for (bit = 0; bit < count; bit++) { - switch (raw & 0x03) { - case 0x01: - val |= (0x01 << bit); - break; - case 0x02: - break; - default: - data->irdata_error = 1; - break; - } - raw >>= 2; - } - - return val; -} - -static void -wbcir_parse_rc6(struct device *dev, struct wbcir_data *data) -{ - /* - * Normal bits are manchester coded as follows: - * cell0 + cell1 = logic "0" - * cell1 + cell0 = logic "1" - * - * The IR pulse has the following components: - * - * Leader - 6 * cell1 - discarded - * Gap - 2 * cell0 - discarded - * Start bit - Normal Coding - always "1" - * Mode Bit 2 - 0 - Normal Coding - * Toggle bit - Normal Coding with double bit time, - * e.g. cell0 + cell0 + cell1 + cell1 - * means logic "0". - * - * The rest depends on the mode, the following modes are known: - * - * MODE 0: - * Address Bit 7 - 0 - Normal Coding - * Command Bit 7 - 0 - Normal Coding - * - * MODE 6: - * The above Toggle Bit is used as a submode bit, 0 = A, 1 = B. - * Submode B is for pointing devices, only remotes using submode A - * are supported. - * - * Customer range bit - 0 => Customer = 7 bits, 0...127 - * 1 => Customer = 15 bits, 32768...65535 - * Customer Bits - Normal Coding - * - * Customer codes are allocated by Philips. The rest of the bits - * are customer dependent. The following is commonly used (and the - * only supported config): - * - * Toggle Bit - Normal Coding - * Address Bit 6 - 0 - Normal Coding - * Command Bit 7 - 0 - Normal Coding - * - * All modes are followed by at least 6 * cell0. - * - * MODE 0 msglen: - * 1 * 2 (start bit) + 3 * 2 (mode) + 2 * 2 (toggle) + - * 8 * 2 (address) + 8 * 2 (command) = - * 44 cells - * - * MODE 6A msglen: - * 1 * 2 (start bit) + 3 * 2 (mode) + 2 * 2 (submode) + - * 1 * 2 (customer range bit) + 7/15 * 2 (customer bits) + - * 1 * 2 (toggle bit) + 7 * 2 (address) + 8 * 2 (command) = - * 60 - 76 cells - */ - u8 mode; - u8 toggle; - u16 customer = 0x0; - u8 address; - u8 command; - u32 scancode; - - /* Leader mark */ - while (get_bits(data, 1) && !data->irdata_error) - /* Do nothing */; - - /* Leader space */ - if (get_bits(data, 1)) { - dev_dbg(dev, "RC6 - Invalid leader space\n"); - return; - } - - /* Start bit */ - if (get_bits(data, 2) != 0x02) { - dev_dbg(dev, "RC6 - Invalid start bit\n"); - return; - } - - /* Mode */ - mode = get_bits(data, 6); - switch (mode) { - case 0x15: /* 010101 = b000 */ - mode = 0; - break; - case 0x29: /* 101001 = b110 */ - mode = 6; - break; - default: - dev_dbg(dev, "RC6 - Invalid mode\n"); - return; - } - - /* Toggle bit / Submode bit */ - toggle = get_bits(data, 4); - switch (toggle) { - case 0x03: - toggle = 0; - break; - case 0x0C: - toggle = 1; - break; - default: - dev_dbg(dev, "RC6 - Toggle bit error\n"); - break; - } - - /* Customer */ - if (mode == 6) { - if (toggle != 0) { - dev_dbg(dev, "RC6B - Not Supported\n"); - return; - } - - customer = wbcir_rc6cells_to_byte(data); - - if (customer & 0x80) { - /* 15 bit customer value */ - customer <<= 8; - customer |= wbcir_rc6cells_to_byte(data); - } - } - - /* Address */ - address = wbcir_rc6cells_to_byte(data); - if (mode == 6) { - toggle = address >> 7; - address &= 0x7F; - } - - /* Command */ - command = wbcir_rc6cells_to_byte(data); - - /* Create scancode */ - scancode = command; - scancode |= address << 8; - scancode |= customer << 16; - - /* Last sanity check */ - if (data->irdata_error) { - dev_dbg(dev, "RC6 - Cell error(s)\n"); - return; - } - - dev_dbg(dev, "IR-RC6 ad 0x%02X cm 0x%02X cu 0x%04X " - "toggle %u mode %u scan 0x%08X\n", - address, - command, - customer, - (unsigned int)toggle, - (unsigned int)mode, - scancode); - - wbcir_keydown(data, scancode, toggle); -} - -static void -wbcir_parse_rc5(struct device *dev, struct wbcir_data *data) -{ - /* - * Bits are manchester coded as follows: - * cell1 + cell0 = logic "0" - * cell0 + cell1 = logic "1" - * (i.e. the reverse of RC6) - * - * Start bit 1 - "1" - discarded - * Start bit 2 - Must be inverted to get command bit 6 - * Toggle bit - * Address Bit 4 - 0 - * Command Bit 5 - 0 - */ - u8 toggle; - u8 address; - u8 command; - u32 scancode; - - /* Start bit 1 */ - if (!get_bits(data, 1)) { - dev_dbg(dev, "RC5 - Invalid start bit\n"); - return; - } - - /* Start bit 2 */ - if (!wbcir_get_rc5bits(data, 1)) - command = 0x40; - else - command = 0x00; - - toggle = wbcir_get_rc5bits(data, 1); - address = wbcir_get_rc5bits(data, 5); - command |= wbcir_get_rc5bits(data, 6); - scancode = address << 7 | command; - - /* Last sanity check */ - if (data->irdata_error) { - dev_dbg(dev, "RC5 - Invalid message\n"); - return; - } - - dev_dbg(dev, "IR-RC5 ad %u cm %u t %u s %u\n", - (unsigned int)address, - (unsigned int)command, - (unsigned int)toggle, - (unsigned int)scancode); - - wbcir_keydown(data, scancode, toggle); -} - -static void -wbcir_parse_nec(struct device *dev, struct wbcir_data *data) -{ - /* - * Each bit represents 560 us. - * - * Leader - 9 ms burst - * Gap - 4.5 ms silence - * Address1 bit 0 - 7 - Address 1 - * Address2 bit 0 - 7 - Address 2 - * Command1 bit 0 - 7 - Command 1 - * Command2 bit 0 - 7 - Command 2 - * - * Note the bit order! - * - * With the old NEC protocol, Address2 was the inverse of Address1 - * and Command2 was the inverse of Command1 and were used as - * an error check. - * - * With NEC extended, Address1 is the LSB of the Address and - * Address2 is the MSB, Command parsing remains unchanged. - * - * A repeat message is coded as: - * Leader - 9 ms burst - * Gap - 2.25 ms silence - * Repeat - 560 us active - */ - u8 address1; - u8 address2; - u8 command1; - u8 command2; - u16 address; - u32 scancode; - - /* Leader mark */ - while (get_bits(data, 1) && !data->irdata_error) - /* Do nothing */; - - /* Leader space */ - if (get_bits(data, 4)) { - dev_dbg(dev, "NEC - Invalid leader space\n"); - return; - } - - /* Repeat? */ - if (get_bits(data, 1)) { - if (!data->keypressed) { - dev_dbg(dev, "NEC - Stray repeat message\n"); - return; - } - - dev_dbg(dev, "IR-NEC repeat s %u\n", - (unsigned int)data->last_scancode); - - wbcir_keydown(data, data->last_scancode, data->last_toggle); - return; - } - - /* Remaining leader space */ - if (get_bits(data, 3)) { - dev_dbg(dev, "NEC - Invalid leader space\n"); - return; - } - - address1 = bitrev8(get_bits(data, 8)); - address2 = bitrev8(get_bits(data, 8)); - command1 = bitrev8(get_bits(data, 8)); - command2 = bitrev8(get_bits(data, 8)); - - /* Sanity check */ - if (data->irdata_error) { - dev_dbg(dev, "NEC - Invalid message\n"); - return; - } - - /* Check command validity */ - if (command1 != ~command2) { - dev_dbg(dev, "NEC - Command bytes mismatch\n"); - return; - } - - /* Check for extended NEC protocol */ - address = address1; - if (address1 != ~address2) - address |= address2 << 8; - - scancode = address << 8 | command1; - - dev_dbg(dev, "IR-NEC ad %u cm %u s %u\n", - (unsigned int)address, - (unsigned int)command1, - (unsigned int)scancode); - - wbcir_keydown(data, scancode, !data->last_toggle); -} - - - -/***************************************************************************** - * - * INTERRUPT FUNCTIONS - * - *****************************************************************************/ - -static irqreturn_t -wbcir_irq_handler(int irqno, void *cookie) -{ - struct pnp_dev *device = cookie; - struct wbcir_data *data = pnp_get_drvdata(device); - struct device *dev = &device->dev; - u8 status; - unsigned long flags; - u8 irdata[8]; - int i; - unsigned int hw; - - spin_lock_irqsave(&wbcir_lock, flags); - - wbcir_select_bank(data, WBCIR_BANK_0); - - status = inb(data->sbase + WBCIR_REG_SP3_EIR); - - if (!(status & (WBCIR_IRQ_RX | WBCIR_IRQ_ERR))) { - spin_unlock_irqrestore(&wbcir_lock, flags); - return IRQ_NONE; - } - - if (status & WBCIR_IRQ_ERR) - data->irdata_error = 1; - - if (!(status & WBCIR_IRQ_RX)) - goto out; - - /* Since RXHDLEV is set, at least 8 bytes are in the FIFO */ - insb(data->sbase + WBCIR_REG_SP3_RXDATA, &irdata[0], 8); - - for (i = 0; i < sizeof(irdata); i++) { - hw = hweight8(irdata[i]); - if (hw > 4) - add_irdata_bit(data, 0); - else - add_irdata_bit(data, 1); - - if (hw == 8) - data->idle_count++; - else - data->idle_count = 0; - } - - if (data->idle_count > WBCIR_MAX_IDLE_BYTES) { - /* Set RXINACTIVE... */ - outb(WBCIR_RX_DISABLE, data->sbase + WBCIR_REG_SP3_ASCR); - - /* ...and drain the FIFO */ - while (inb(data->sbase + WBCIR_REG_SP3_LSR) & WBCIR_RX_AVAIL) - inb(data->sbase + WBCIR_REG_SP3_RXDATA); - - dev_dbg(dev, "IRDATA:\n"); - for (i = 0; i < data->irdata_count; i += BITS_PER_LONG) - dev_dbg(dev, "0x%08lX\n", data->irdata[i/BITS_PER_LONG]); - - switch (protocol) { - case IR_PROTOCOL_RC5: - wbcir_parse_rc5(dev, data); - break; - case IR_PROTOCOL_RC6: - wbcir_parse_rc6(dev, data); - break; - case IR_PROTOCOL_NEC: - wbcir_parse_nec(dev, data); - break; - } - - wbcir_reset_irdata(data); - } - -out: - spin_unlock_irqrestore(&wbcir_lock, flags); - return IRQ_HANDLED; -} - - - -/***************************************************************************** - * - * SETUP/INIT/SUSPEND/RESUME FUNCTIONS - * - *****************************************************************************/ - -static void -wbcir_shutdown(struct pnp_dev *device) -{ - struct device *dev = &device->dev; - struct wbcir_data *data = pnp_get_drvdata(device); - int do_wake = 1; - u8 match[11]; - u8 mask[11]; - u8 rc6_csl = 0; - int i; - - memset(match, 0, sizeof(match)); - memset(mask, 0, sizeof(mask)); - - if (wake_sc == INVALID_SCANCODE || !device_may_wakeup(dev)) { - do_wake = 0; - goto finish; - } - - switch (protocol) { - case IR_PROTOCOL_RC5: - if (wake_sc > 0xFFF) { - do_wake = 0; - dev_err(dev, "RC5 - Invalid wake scancode\n"); - break; - } - - /* Mask = 13 bits, ex toggle */ - mask[0] = 0xFF; - mask[1] = 0x17; - - match[0] = (wake_sc & 0x003F); /* 6 command bits */ - match[0] |= (wake_sc & 0x0180) >> 1; /* 2 address bits */ - match[1] = (wake_sc & 0x0E00) >> 9; /* 3 address bits */ - if (!(wake_sc & 0x0040)) /* 2nd start bit */ - match[1] |= 0x10; - - break; - - case IR_PROTOCOL_NEC: - if (wake_sc > 0xFFFFFF) { - do_wake = 0; - dev_err(dev, "NEC - Invalid wake scancode\n"); - break; - } - - mask[0] = mask[1] = mask[2] = mask[3] = 0xFF; - - match[1] = bitrev8((wake_sc & 0xFF)); - match[0] = ~match[1]; - - match[3] = bitrev8((wake_sc & 0xFF00) >> 8); - if (wake_sc > 0xFFFF) - match[2] = bitrev8((wake_sc & 0xFF0000) >> 16); - else - match[2] = ~match[3]; - - break; - - case IR_PROTOCOL_RC6: - - if (wake_rc6mode == 0) { - if (wake_sc > 0xFFFF) { - do_wake = 0; - dev_err(dev, "RC6 - Invalid wake scancode\n"); - break; - } - - /* Command */ - match[0] = wbcir_to_rc6cells(wake_sc >> 0); - mask[0] = 0xFF; - match[1] = wbcir_to_rc6cells(wake_sc >> 4); - mask[1] = 0xFF; - - /* Address */ - match[2] = wbcir_to_rc6cells(wake_sc >> 8); - mask[2] = 0xFF; - match[3] = wbcir_to_rc6cells(wake_sc >> 12); - mask[3] = 0xFF; - - /* Header */ - match[4] = 0x50; /* mode1 = mode0 = 0, ignore toggle */ - mask[4] = 0xF0; - match[5] = 0x09; /* start bit = 1, mode2 = 0 */ - mask[5] = 0x0F; - - rc6_csl = 44; - - } else if (wake_rc6mode == 6) { - i = 0; - - /* Command */ - match[i] = wbcir_to_rc6cells(wake_sc >> 0); - mask[i++] = 0xFF; - match[i] = wbcir_to_rc6cells(wake_sc >> 4); - mask[i++] = 0xFF; - - /* Address + Toggle */ - match[i] = wbcir_to_rc6cells(wake_sc >> 8); - mask[i++] = 0xFF; - match[i] = wbcir_to_rc6cells(wake_sc >> 12); - mask[i++] = 0x3F; - - /* Customer bits 7 - 0 */ - match[i] = wbcir_to_rc6cells(wake_sc >> 16); - mask[i++] = 0xFF; - match[i] = wbcir_to_rc6cells(wake_sc >> 20); - mask[i++] = 0xFF; - - if (wake_sc & 0x80000000) { - /* Customer range bit and bits 15 - 8 */ - match[i] = wbcir_to_rc6cells(wake_sc >> 24); - mask[i++] = 0xFF; - match[i] = wbcir_to_rc6cells(wake_sc >> 28); - mask[i++] = 0xFF; - rc6_csl = 76; - } else if (wake_sc <= 0x007FFFFF) { - rc6_csl = 60; - } else { - do_wake = 0; - dev_err(dev, "RC6 - Invalid wake scancode\n"); - break; - } - - /* Header */ - match[i] = 0x93; /* mode1 = mode0 = 1, submode = 0 */ - mask[i++] = 0xFF; - match[i] = 0x0A; /* start bit = 1, mode2 = 1 */ - mask[i++] = 0x0F; - - } else { - do_wake = 0; - dev_err(dev, "RC6 - Invalid wake mode\n"); - } - - break; - - default: - do_wake = 0; - break; - } - -finish: - if (do_wake) { - /* Set compare and compare mask */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_INDEX, - WBCIR_REGSEL_COMPARE | WBCIR_REG_ADDR0, - 0x3F); - outsb(data->wbase + WBCIR_REG_WCEIR_DATA, match, 11); - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_INDEX, - WBCIR_REGSEL_MASK | WBCIR_REG_ADDR0, - 0x3F); - outsb(data->wbase + WBCIR_REG_WCEIR_DATA, mask, 11); - - /* RC6 Compare String Len */ - outb(rc6_csl, data->wbase + WBCIR_REG_WCEIR_CSL); - - /* Clear status bits NEC_REP, BUFF, MSG_END, MATCH */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_STS, 0x17, 0x17); - - /* Clear BUFF_EN, Clear END_EN, Set MATCH_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_EV_EN, 0x01, 0x07); - - /* Set CEIR_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL, 0x01, 0x01); - - } else { - /* Clear BUFF_EN, Clear END_EN, Clear MATCH_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_EV_EN, 0x00, 0x07); - - /* Clear CEIR_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL, 0x00, 0x01); - } - - /* Disable interrupts */ - wbcir_select_bank(data, WBCIR_BANK_0); - outb(WBCIR_IRQ_NONE, data->sbase + WBCIR_REG_SP3_IER); - - /* - * ACPI will set the HW disable bit for SP3 which means that the - * output signals are left in an undefined state which may cause - * spurious interrupts which we need to ignore until the hardware - * is reinitialized. - */ - disable_irq(data->irq); -} - -static int -wbcir_suspend(struct pnp_dev *device, pm_message_t state) -{ - wbcir_shutdown(device); - return 0; -} - -static void -wbcir_init_hw(struct wbcir_data *data) -{ - u8 tmp; - - /* Disable interrupts */ - wbcir_select_bank(data, WBCIR_BANK_0); - outb(WBCIR_IRQ_NONE, data->sbase + WBCIR_REG_SP3_IER); - - /* Set PROT_SEL, RX_INV, Clear CEIR_EN (needed for the led) */ - tmp = protocol << 4; - if (invert) - tmp |= 0x08; - outb(tmp, data->wbase + WBCIR_REG_WCEIR_CTL); - - /* Clear status bits NEC_REP, BUFF, MSG_END, MATCH */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_STS, 0x17, 0x17); - - /* Clear BUFF_EN, Clear END_EN, Clear MATCH_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_EV_EN, 0x00, 0x07); - - /* Set RC5 cell time to correspond to 36 kHz */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CFG1, 0x4A, 0x7F); - - /* Set IRTX_INV */ - if (invert) - outb(0x04, data->ebase + WBCIR_REG_ECEIR_CCTL); - else - outb(0x00, data->ebase + WBCIR_REG_ECEIR_CCTL); - - /* - * Clear IR LED, set SP3 clock to 24Mhz - * set SP3_IRRX_SW to binary 01, helpfully not documented - */ - outb(0x10, data->ebase + WBCIR_REG_ECEIR_CTS); - - /* Enable extended mode */ - wbcir_select_bank(data, WBCIR_BANK_2); - outb(WBCIR_EXT_ENABLE, data->sbase + WBCIR_REG_SP3_EXCR1); - - /* - * Configure baud generator, IR data will be sampled at - * a bitrate of: (24Mhz * prescaler) / (divisor * 16). - * - * The ECIR registers include a flag to change the - * 24Mhz clock freq to 48Mhz. - * - * It's not documented in the specs, but fifo levels - * other than 16 seems to be unsupported. - */ - - /* prescaler 1.0, tx/rx fifo lvl 16 */ - outb(0x30, data->sbase + WBCIR_REG_SP3_EXCR2); - - /* Set baud divisor to generate one byte per bit/cell */ - switch (protocol) { - case IR_PROTOCOL_RC5: - outb(0xA7, data->sbase + WBCIR_REG_SP3_BGDL); - break; - case IR_PROTOCOL_RC6: - outb(0x53, data->sbase + WBCIR_REG_SP3_BGDL); - break; - case IR_PROTOCOL_NEC: - outb(0x69, data->sbase + WBCIR_REG_SP3_BGDL); - break; - } - outb(0x00, data->sbase + WBCIR_REG_SP3_BGDH); - - /* Set CEIR mode */ - wbcir_select_bank(data, WBCIR_BANK_0); - outb(0xC0, data->sbase + WBCIR_REG_SP3_MCR); - inb(data->sbase + WBCIR_REG_SP3_LSR); /* Clear LSR */ - inb(data->sbase + WBCIR_REG_SP3_MSR); /* Clear MSR */ - - /* Disable RX demod, run-length encoding/decoding, set freq span */ - wbcir_select_bank(data, WBCIR_BANK_7); - outb(0x10, data->sbase + WBCIR_REG_SP3_RCCFG); - - /* Disable timer */ - wbcir_select_bank(data, WBCIR_BANK_4); - outb(0x00, data->sbase + WBCIR_REG_SP3_IRCR1); - - /* Enable MSR interrupt, Clear AUX_IRX */ - wbcir_select_bank(data, WBCIR_BANK_5); - outb(0x00, data->sbase + WBCIR_REG_SP3_IRCR2); - - /* Disable CRC */ - wbcir_select_bank(data, WBCIR_BANK_6); - outb(0x20, data->sbase + WBCIR_REG_SP3_IRCR3); - - /* Set RX/TX (de)modulation freq, not really used */ - wbcir_select_bank(data, WBCIR_BANK_7); - outb(0xF2, data->sbase + WBCIR_REG_SP3_IRRXDC); - outb(0x69, data->sbase + WBCIR_REG_SP3_IRTXMC); - - /* Set invert and pin direction */ - if (invert) - outb(0x10, data->sbase + WBCIR_REG_SP3_IRCFG4); - else - outb(0x00, data->sbase + WBCIR_REG_SP3_IRCFG4); - - /* Set FIFO thresholds (RX = 8, TX = 3), reset RX/TX */ - wbcir_select_bank(data, WBCIR_BANK_0); - outb(0x97, data->sbase + WBCIR_REG_SP3_FCR); - - /* Clear AUX status bits */ - outb(0xE0, data->sbase + WBCIR_REG_SP3_ASCR); - - /* Enable interrupts */ - wbcir_reset_irdata(data); - outb(WBCIR_IRQ_RX | WBCIR_IRQ_ERR, data->sbase + WBCIR_REG_SP3_IER); -} - -static int -wbcir_resume(struct pnp_dev *device) -{ - struct wbcir_data *data = pnp_get_drvdata(device); - - wbcir_init_hw(data); - enable_irq(data->irq); - - return 0; -} - -static int __devinit -wbcir_probe(struct pnp_dev *device, const struct pnp_device_id *dev_id) -{ - struct device *dev = &device->dev; - struct wbcir_data *data; - int err; - - if (!(pnp_port_len(device, 0) == EHFUNC_IOMEM_LEN && - pnp_port_len(device, 1) == WAKEUP_IOMEM_LEN && - pnp_port_len(device, 2) == SP_IOMEM_LEN)) { - dev_err(dev, "Invalid resources\n"); - return -ENODEV; - } - - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) { - err = -ENOMEM; - goto exit; - } - - pnp_set_drvdata(device, data); - - data->ebase = pnp_port_start(device, 0); - data->wbase = pnp_port_start(device, 1); - data->sbase = pnp_port_start(device, 2); - data->irq = pnp_irq(device, 0); - - if (data->wbase == 0 || data->ebase == 0 || - data->sbase == 0 || data->irq == 0) { - err = -ENODEV; - dev_err(dev, "Invalid resources\n"); - goto exit_free_data; - } - - dev_dbg(&device->dev, "Found device " - "(w: 0x%lX, e: 0x%lX, s: 0x%lX, i: %u)\n", - data->wbase, data->ebase, data->sbase, data->irq); - - if (!request_region(data->wbase, WAKEUP_IOMEM_LEN, DRVNAME)) { - dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", - data->wbase, data->wbase + WAKEUP_IOMEM_LEN - 1); - err = -EBUSY; - goto exit_free_data; - } - - if (!request_region(data->ebase, EHFUNC_IOMEM_LEN, DRVNAME)) { - dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", - data->ebase, data->ebase + EHFUNC_IOMEM_LEN - 1); - err = -EBUSY; - goto exit_release_wbase; - } - - if (!request_region(data->sbase, SP_IOMEM_LEN, DRVNAME)) { - dev_err(dev, "Region 0x%lx-0x%lx already in use!\n", - data->sbase, data->sbase + SP_IOMEM_LEN - 1); - err = -EBUSY; - goto exit_release_ebase; - } - - err = request_irq(data->irq, wbcir_irq_handler, - IRQF_DISABLED, DRVNAME, device); - if (err) { - dev_err(dev, "Failed to claim IRQ %u\n", data->irq); - err = -EBUSY; - goto exit_release_sbase; - } - - led_trigger_register_simple("cir-tx", &data->txtrigger); - if (!data->txtrigger) { - err = -ENOMEM; - goto exit_free_irq; - } - - led_trigger_register_simple("cir-rx", &data->rxtrigger); - if (!data->rxtrigger) { - err = -ENOMEM; - goto exit_unregister_txtrigger; - } - - data->led.name = "cir::activity"; - data->led.default_trigger = "cir-rx"; - data->led.brightness_set = wbcir_led_brightness_set; - data->led.brightness_get = wbcir_led_brightness_get; - err = led_classdev_register(&device->dev, &data->led); - if (err) - goto exit_unregister_rxtrigger; - - data->input_dev = input_allocate_device(); - if (!data->input_dev) { - err = -ENOMEM; - goto exit_unregister_led; - } - - data->input_dev->evbit[0] = BIT(EV_KEY); - data->input_dev->name = WBCIR_NAME; - data->input_dev->phys = "wbcir/cir0"; - data->input_dev->id.bustype = BUS_HOST; - data->input_dev->id.vendor = PCI_VENDOR_ID_WINBOND; - data->input_dev->id.product = WBCIR_ID_FAMILY; - data->input_dev->id.version = WBCIR_ID_CHIP; - data->input_dev->getkeycode = wbcir_getkeycode; - data->input_dev->setkeycode = wbcir_setkeycode; - input_set_capability(data->input_dev, EV_MSC, MSC_SCAN); - input_set_drvdata(data->input_dev, data); - - err = input_register_device(data->input_dev); - if (err) - goto exit_free_input; - - data->last_scancode = INVALID_SCANCODE; - INIT_LIST_HEAD(&data->keytable); - setup_timer(&data->timer_keyup, wbcir_keyup, (unsigned long)data); - - /* Load default keymaps */ - if (protocol == IR_PROTOCOL_RC6) { - int i; - for (i = 0; i < ARRAY_SIZE(rc6_def_keymap); i++) { - err = wbcir_setkeycode(data->input_dev, - (int)rc6_def_keymap[i].scancode, - (int)rc6_def_keymap[i].keycode); - if (err) - goto exit_unregister_keys; - } - } - - device_init_wakeup(&device->dev, 1); - - wbcir_init_hw(data); - - return 0; - -exit_unregister_keys: - if (!list_empty(&data->keytable)) { - struct wbcir_keyentry *key; - struct wbcir_keyentry *keytmp; - - list_for_each_entry_safe(key, keytmp, &data->keytable, list) { - list_del(&key->list); - kfree(key); - } - } - input_unregister_device(data->input_dev); - /* Can't call input_free_device on an unregistered device */ - data->input_dev = NULL; -exit_free_input: - input_free_device(data->input_dev); -exit_unregister_led: - led_classdev_unregister(&data->led); -exit_unregister_rxtrigger: - led_trigger_unregister_simple(data->rxtrigger); -exit_unregister_txtrigger: - led_trigger_unregister_simple(data->txtrigger); -exit_free_irq: - free_irq(data->irq, device); -exit_release_sbase: - release_region(data->sbase, SP_IOMEM_LEN); -exit_release_ebase: - release_region(data->ebase, EHFUNC_IOMEM_LEN); -exit_release_wbase: - release_region(data->wbase, WAKEUP_IOMEM_LEN); -exit_free_data: - kfree(data); - pnp_set_drvdata(device, NULL); -exit: - return err; -} - -static void __devexit -wbcir_remove(struct pnp_dev *device) -{ - struct wbcir_data *data = pnp_get_drvdata(device); - struct wbcir_keyentry *key; - struct wbcir_keyentry *keytmp; - - /* Disable interrupts */ - wbcir_select_bank(data, WBCIR_BANK_0); - outb(WBCIR_IRQ_NONE, data->sbase + WBCIR_REG_SP3_IER); - - del_timer_sync(&data->timer_keyup); - - free_irq(data->irq, device); - - /* Clear status bits NEC_REP, BUFF, MSG_END, MATCH */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_STS, 0x17, 0x17); - - /* Clear CEIR_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_CTL, 0x00, 0x01); - - /* Clear BUFF_EN, END_EN, MATCH_EN */ - wbcir_set_bits(data->wbase + WBCIR_REG_WCEIR_EV_EN, 0x00, 0x07); - - /* This will generate a keyup event if necessary */ - input_unregister_device(data->input_dev); - - led_trigger_unregister_simple(data->rxtrigger); - led_trigger_unregister_simple(data->txtrigger); - led_classdev_unregister(&data->led); - - /* This is ok since &data->led isn't actually used */ - wbcir_led_brightness_set(&data->led, LED_OFF); - - release_region(data->wbase, WAKEUP_IOMEM_LEN); - release_region(data->ebase, EHFUNC_IOMEM_LEN); - release_region(data->sbase, SP_IOMEM_LEN); - - list_for_each_entry_safe(key, keytmp, &data->keytable, list) { - list_del(&key->list); - kfree(key); - } - - kfree(data); - - pnp_set_drvdata(device, NULL); -} - -static const struct pnp_device_id wbcir_ids[] = { - { "WEC1022", 0 }, - { "", 0 } -}; -MODULE_DEVICE_TABLE(pnp, wbcir_ids); - -static struct pnp_driver wbcir_driver = { - .name = WBCIR_NAME, - .id_table = wbcir_ids, - .probe = wbcir_probe, - .remove = __devexit_p(wbcir_remove), - .suspend = wbcir_suspend, - .resume = wbcir_resume, - .shutdown = wbcir_shutdown -}; - -static int __init -wbcir_init(void) -{ - int ret; - - switch (protocol) { - case IR_PROTOCOL_RC5: - case IR_PROTOCOL_NEC: - case IR_PROTOCOL_RC6: - break; - default: - printk(KERN_ERR DRVNAME ": Invalid protocol argument\n"); - return -EINVAL; - } - - ret = pnp_register_driver(&wbcir_driver); - if (ret) - printk(KERN_ERR DRVNAME ": Unable to register driver\n"); - - return ret; -} - -static void __exit -wbcir_exit(void) -{ - pnp_unregister_driver(&wbcir_driver); -} - -MODULE_AUTHOR("David Härdeman <david@hardeman.nu>"); -MODULE_DESCRIPTION("Winbond SuperI/O Consumer IR Driver"); -MODULE_LICENSE("GPL"); - -module_init(wbcir_init); -module_exit(wbcir_exit); - - diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index bf5fd7f6a31..9c1e6ee8353 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -39,7 +39,7 @@ config MOUSE_PS2 module will be called psmouse. config MOUSE_PS2_ALPS - bool "ALPS PS/2 mouse protocol extension" if EMBEDDED + bool "ALPS PS/2 mouse protocol extension" if EXPERT default y depends on MOUSE_PS2 help @@ -49,7 +49,7 @@ config MOUSE_PS2_ALPS If unsure, say Y. config MOUSE_PS2_LOGIPS2PP - bool "Logitech PS/2++ mouse protocol extension" if EMBEDDED + bool "Logitech PS/2++ mouse protocol extension" if EXPERT default y depends on MOUSE_PS2 help @@ -59,7 +59,7 @@ config MOUSE_PS2_LOGIPS2PP If unsure, say Y. config MOUSE_PS2_SYNAPTICS - bool "Synaptics PS/2 mouse protocol extension" if EMBEDDED + bool "Synaptics PS/2 mouse protocol extension" if EXPERT default y depends on MOUSE_PS2 help @@ -69,7 +69,7 @@ config MOUSE_PS2_SYNAPTICS If unsure, say Y. config MOUSE_PS2_LIFEBOOK - bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EMBEDDED + bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EXPERT default y depends on MOUSE_PS2 && X86 && DMI help @@ -79,7 +79,7 @@ config MOUSE_PS2_LIFEBOOK If unsure, say Y. config MOUSE_PS2_TRACKPOINT - bool "IBM Trackpoint PS/2 mouse protocol extension" if EMBEDDED + bool "IBM Trackpoint PS/2 mouse protocol extension" if EXPERT default y depends on MOUSE_PS2 help diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index b9523176391..ee82851afe3 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -55,6 +55,14 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI 0x0236 #define USB_DEVICE_ID_APPLE_WELLSPRING3_ISO 0x0237 #define USB_DEVICE_ID_APPLE_WELLSPRING3_JIS 0x0238 +/* MacbookAir3,2 (unibody), aka wellspring5 */ +#define USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI 0x023f +#define USB_DEVICE_ID_APPLE_WELLSPRING4_ISO 0x0240 +#define USB_DEVICE_ID_APPLE_WELLSPRING4_JIS 0x0241 +/* MacbookAir3,1 (unibody), aka wellspring4 */ +#define USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI 0x0242 +#define USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO 0x0243 +#define USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS 0x0244 #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -80,6 +88,14 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING3_JIS), + /* MacbookAir3,2 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4_JIS), + /* MacbookAir3,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS), /* Terminating entry */ {} }; @@ -234,6 +250,30 @@ static const struct bcm5974_config bcm5974_config_table[] = { { DIM_X, DIM_X / SN_COORD, -4460, 5166 }, { DIM_Y, DIM_Y / SN_COORD, -75, 6700 } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING4_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING4_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, + { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } + }, + { + USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4616, 5112 }, + { DIM_Y, DIM_Y / SN_COORD, -142, 5234 } + }, {} }; diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c index 1d2205b2480..95577c15ae5 100644 --- a/drivers/input/mouse/hgpk.c +++ b/drivers/input/mouse/hgpk.c @@ -40,6 +40,8 @@ #include "psmouse.h" #include "hgpk.h" +#define ILLEGAL_XY 999999 + static bool tpdebug; module_param(tpdebug, bool, 0644); MODULE_PARM_DESC(tpdebug, "enable debugging, dumping packets to KERN_DEBUG."); @@ -47,48 +49,150 @@ MODULE_PARM_DESC(tpdebug, "enable debugging, dumping packets to KERN_DEBUG."); static int recalib_delta = 100; module_param(recalib_delta, int, 0644); MODULE_PARM_DESC(recalib_delta, - "packets containing a delta this large will cause a recalibration."); + "packets containing a delta this large will be discarded, and a " + "recalibration may be scheduled."); -static int jumpy_delay = 1000; +static int jumpy_delay = 20; module_param(jumpy_delay, int, 0644); MODULE_PARM_DESC(jumpy_delay, "delay (ms) before recal after jumpiness detected"); -static int spew_delay = 1000; +static int spew_delay = 1; module_param(spew_delay, int, 0644); MODULE_PARM_DESC(spew_delay, "delay (ms) before recal after packet spew detected"); -static int recal_guard_time = 2000; +static int recal_guard_time; module_param(recal_guard_time, int, 0644); MODULE_PARM_DESC(recal_guard_time, "interval (ms) during which recal will be restarted if packet received"); -static int post_interrupt_delay = 1000; +static int post_interrupt_delay = 40; module_param(post_interrupt_delay, int, 0644); MODULE_PARM_DESC(post_interrupt_delay, "delay (ms) before recal after recal interrupt detected"); +static bool autorecal = true; +module_param(autorecal, bool, 0644); +MODULE_PARM_DESC(autorecal, "enable recalibration in the driver"); + +static char hgpk_mode_name[16]; +module_param_string(hgpk_mode, hgpk_mode_name, sizeof(hgpk_mode_name), 0644); +MODULE_PARM_DESC(hgpk_mode, + "default hgpk mode: mouse, glidesensor or pentablet"); + +static int hgpk_default_mode = HGPK_MODE_MOUSE; + +static const char * const hgpk_mode_names[] = { + [HGPK_MODE_MOUSE] = "Mouse", + [HGPK_MODE_GLIDESENSOR] = "GlideSensor", + [HGPK_MODE_PENTABLET] = "PenTablet", +}; + +static int hgpk_mode_from_name(const char *buf, int len) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(hgpk_mode_names); i++) { + const char *name = hgpk_mode_names[i]; + if (strlen(name) == len && !strncasecmp(name, buf, len)) + return i; + } + + return HGPK_MODE_INVALID; +} + +/* + * see if new value is within 20% of half of old value + */ +static int approx_half(int curr, int prev) +{ + int belowhalf, abovehalf; + + if (curr < 5 || prev < 5) + return 0; + + belowhalf = (prev * 8) / 20; + abovehalf = (prev * 12) / 20; + + return belowhalf < curr && curr <= abovehalf; +} + /* - * When the touchpad gets ultra-sensitive, one can keep their finger 1/2" - * above the pad and still have it send packets. This causes a jump cursor - * when one places their finger on the pad. We can probably detect the - * jump as we see a large deltas (>= 100px). In mouse mode, I've been - * unable to even come close to 100px deltas during normal usage, so I think - * this threshold is safe. If a large delta occurs, trigger a recalibration. + * Throw out oddly large delta packets, and any that immediately follow whose + * values are each approximately half of the previous. It seems that the ALPS + * firmware emits errant packets, and they get averaged out slowly. */ -static void hgpk_jumpy_hack(struct psmouse *psmouse, int x, int y) +static int hgpk_discard_decay_hack(struct psmouse *psmouse, int x, int y) { struct hgpk_data *priv = psmouse->private; + int avx, avy; + bool do_recal = false; + + avx = abs(x); + avy = abs(y); + + /* discard if too big, or half that but > 4 times the prev delta */ + if (avx > recalib_delta || + (avx > recalib_delta / 2 && ((avx / 4) > priv->xlast))) { + hgpk_err(psmouse, "detected %dpx jump in x\n", x); + priv->xbigj = avx; + } else if (approx_half(avx, priv->xbigj)) { + hgpk_err(psmouse, "detected secondary %dpx jump in x\n", x); + priv->xbigj = avx; + priv->xsaw_secondary++; + } else { + if (priv->xbigj && priv->xsaw_secondary > 1) + do_recal = true; + priv->xbigj = 0; + priv->xsaw_secondary = 0; + } + + if (avy > recalib_delta || + (avy > recalib_delta / 2 && ((avy / 4) > priv->ylast))) { + hgpk_err(psmouse, "detected %dpx jump in y\n", y); + priv->ybigj = avy; + } else if (approx_half(avy, priv->ybigj)) { + hgpk_err(psmouse, "detected secondary %dpx jump in y\n", y); + priv->ybigj = avy; + priv->ysaw_secondary++; + } else { + if (priv->ybigj && priv->ysaw_secondary > 1) + do_recal = true; + priv->ybigj = 0; + priv->ysaw_secondary = 0; + } - if (abs(x) > recalib_delta || abs(y) > recalib_delta) { - hgpk_err(psmouse, ">%dpx jump detected (%d,%d)\n", - recalib_delta, x, y); - /* My car gets forty rods to the hogshead and that's the - * way I likes it! */ + priv->xlast = avx; + priv->ylast = avy; + + if (do_recal && jumpy_delay) { + hgpk_err(psmouse, "scheduling recalibration\n"); psmouse_queue_work(psmouse, &priv->recalib_wq, msecs_to_jiffies(jumpy_delay)); } + + return priv->xbigj || priv->ybigj; +} + +static void hgpk_reset_spew_detection(struct hgpk_data *priv) +{ + priv->spew_count = 0; + priv->dupe_count = 0; + priv->x_tally = 0; + priv->y_tally = 0; + priv->spew_flag = NO_SPEW; +} + +static void hgpk_reset_hack_state(struct psmouse *psmouse) +{ + struct hgpk_data *priv = psmouse->private; + + priv->abs_x = priv->abs_y = -1; + priv->xlast = priv->ylast = ILLEGAL_XY; + priv->xbigj = priv->ybigj = 0; + priv->xsaw_secondary = priv->ysaw_secondary = 0; + hgpk_reset_spew_detection(priv); } /* @@ -116,20 +220,57 @@ static void hgpk_spewing_hack(struct psmouse *psmouse, if (l || r) return; + /* don't track spew if the workaround feature has been turned off */ + if (!spew_delay) + return; + + if (abs(x) > 3 || abs(y) > 3) { + /* no spew, or spew ended */ + hgpk_reset_spew_detection(priv); + return; + } + + /* Keep a tally of the overall delta to the cursor position caused by + * the spew */ priv->x_tally += x; priv->y_tally += y; - if (++priv->count > 100) { + switch (priv->spew_flag) { + case NO_SPEW: + /* we're not spewing, but this packet might be the start */ + priv->spew_flag = MAYBE_SPEWING; + + /* fall-through */ + + case MAYBE_SPEWING: + priv->spew_count++; + + if (priv->spew_count < SPEW_WATCH_COUNT) + break; + + /* excessive spew detected, request recalibration */ + priv->spew_flag = SPEW_DETECTED; + + /* fall-through */ + + case SPEW_DETECTED: + /* only recalibrate when the overall delta to the cursor + * is really small. if the spew is causing significant cursor + * movement, it is probably a case of the user moving the + * cursor very slowly across the screen. */ if (abs(priv->x_tally) < 3 && abs(priv->y_tally) < 3) { - hgpk_dbg(psmouse, "packet spew detected (%d,%d)\n", + hgpk_err(psmouse, "packet spew detected (%d,%d)\n", priv->x_tally, priv->y_tally); + priv->spew_flag = RECALIBRATING; psmouse_queue_work(psmouse, &priv->recalib_wq, msecs_to_jiffies(spew_delay)); } - /* reset every 100 packets */ - priv->count = 0; - priv->x_tally = 0; - priv->y_tally = 0; + + break; + case RECALIBRATING: + /* we already detected a spew and requested a recalibration, + * just wait for the queue to kick into action. */ + break; } } @@ -143,25 +284,168 @@ static void hgpk_spewing_hack(struct psmouse *psmouse, * swr/swl are the left/right buttons. * x-neg/y-neg are the x and y delta negative bits * x-over/y-over are the x and y overflow bits + * + * --- + * + * HGPK Advanced Mode - single-mode format + * + * byte 0(PT): 1 1 0 0 1 1 1 1 + * byte 0(GS): 1 1 1 1 1 1 1 1 + * byte 1: 0 x6 x5 x4 x3 x2 x1 x0 + * byte 2(PT): 0 0 x9 x8 x7 ? pt-dsw 0 + * byte 2(GS): 0 x10 x9 x8 x7 ? gs-dsw pt-dsw + * byte 3: 0 y9 y8 y7 1 0 swr swl + * byte 4: 0 y6 y5 y4 y3 y2 y1 y0 + * byte 5: 0 z6 z5 z4 z3 z2 z1 z0 + * + * ?'s are not defined in the protocol spec, may vary between models. + * + * swr/swl are the left/right buttons. + * + * pt-dsw/gs-dsw indicate that the pt/gs sensor is detecting a + * pen/finger */ -static int hgpk_validate_byte(unsigned char *packet) +static bool hgpk_is_byte_valid(struct psmouse *psmouse, unsigned char *packet) { - return (packet[0] & 0x0C) != 0x08; + struct hgpk_data *priv = psmouse->private; + int pktcnt = psmouse->pktcnt; + bool valid; + + switch (priv->mode) { + case HGPK_MODE_MOUSE: + valid = (packet[0] & 0x0C) == 0x08; + break; + + case HGPK_MODE_GLIDESENSOR: + valid = pktcnt == 1 ? + packet[0] == HGPK_GS : !(packet[pktcnt - 1] & 0x80); + break; + + case HGPK_MODE_PENTABLET: + valid = pktcnt == 1 ? + packet[0] == HGPK_PT : !(packet[pktcnt - 1] & 0x80); + break; + + default: + valid = false; + break; + } + + if (!valid) + hgpk_dbg(psmouse, + "bad data, mode %d (%d) %02x %02x %02x %02x %02x %02x\n", + priv->mode, pktcnt, + psmouse->packet[0], psmouse->packet[1], + psmouse->packet[2], psmouse->packet[3], + psmouse->packet[4], psmouse->packet[5]); + + return valid; } -static void hgpk_process_packet(struct psmouse *psmouse) +static void hgpk_process_advanced_packet(struct psmouse *psmouse) { - struct input_dev *dev = psmouse->dev; + struct hgpk_data *priv = psmouse->private; + struct input_dev *idev = psmouse->dev; unsigned char *packet = psmouse->packet; - int x, y, left, right; + int down = !!(packet[2] & 2); + int left = !!(packet[3] & 1); + int right = !!(packet[3] & 2); + int x = packet[1] | ((packet[2] & 0x78) << 4); + int y = packet[4] | ((packet[3] & 0x70) << 3); + + if (priv->mode == HGPK_MODE_GLIDESENSOR) { + int pt_down = !!(packet[2] & 1); + int finger_down = !!(packet[2] & 2); + int z = packet[5]; + + input_report_abs(idev, ABS_PRESSURE, z); + if (tpdebug) + hgpk_dbg(psmouse, "pd=%d fd=%d z=%d", + pt_down, finger_down, z); + } else { + /* + * PenTablet mode does not report pressure, so we don't + * report it here + */ + if (tpdebug) + hgpk_dbg(psmouse, "pd=%d ", down); + } + + if (tpdebug) + hgpk_dbg(psmouse, "l=%d r=%d x=%d y=%d\n", left, right, x, y); + + input_report_key(idev, BTN_TOUCH, down); + input_report_key(idev, BTN_LEFT, left); + input_report_key(idev, BTN_RIGHT, right); + + /* + * If this packet says that the finger was removed, reset our position + * tracking so that we don't erroneously detect a jump on next press. + */ + if (!down) { + hgpk_reset_hack_state(psmouse); + goto done; + } + + /* + * Weed out duplicate packets (we get quite a few, and they mess up + * our jump detection) + */ + if (x == priv->abs_x && y == priv->abs_y) { + if (++priv->dupe_count > SPEW_WATCH_COUNT) { + if (tpdebug) + hgpk_dbg(psmouse, "hard spew detected\n"); + priv->spew_flag = RECALIBRATING; + psmouse_queue_work(psmouse, &priv->recalib_wq, + msecs_to_jiffies(spew_delay)); + } + goto done; + } - left = packet[0] & 1; - right = (packet[0] >> 1) & 1; + /* not a duplicate, continue with position reporting */ + priv->dupe_count = 0; + + /* Don't apply hacks in PT mode, it seems reliable */ + if (priv->mode != HGPK_MODE_PENTABLET && priv->abs_x != -1) { + int x_diff = priv->abs_x - x; + int y_diff = priv->abs_y - y; + if (hgpk_discard_decay_hack(psmouse, x_diff, y_diff)) { + if (tpdebug) + hgpk_dbg(psmouse, "discarding\n"); + goto done; + } + hgpk_spewing_hack(psmouse, left, right, x_diff, y_diff); + } - x = packet[1] - ((packet[0] << 4) & 0x100); - y = ((packet[0] << 3) & 0x100) - packet[2]; + input_report_abs(idev, ABS_X, x); + input_report_abs(idev, ABS_Y, y); + priv->abs_x = x; + priv->abs_y = y; + +done: + input_sync(idev); +} + +static void hgpk_process_simple_packet(struct psmouse *psmouse) +{ + struct input_dev *dev = psmouse->dev; + unsigned char *packet = psmouse->packet; + int left = packet[0] & 1; + int right = (packet[0] >> 1) & 1; + int x = packet[1] - ((packet[0] << 4) & 0x100); + int y = ((packet[0] << 3) & 0x100) - packet[2]; + + if (packet[0] & 0xc0) + hgpk_dbg(psmouse, + "overflow -- 0x%02x 0x%02x 0x%02x\n", + packet[0], packet[1], packet[2]); + + if (hgpk_discard_decay_hack(psmouse, x, y)) { + if (tpdebug) + hgpk_dbg(psmouse, "discarding\n"); + return; + } - hgpk_jumpy_hack(psmouse, x, y); hgpk_spewing_hack(psmouse, left, right, x, y); if (tpdebug) @@ -180,15 +464,14 @@ static psmouse_ret_t hgpk_process_byte(struct psmouse *psmouse) { struct hgpk_data *priv = psmouse->private; - if (hgpk_validate_byte(psmouse->packet)) { - hgpk_dbg(psmouse, "%s: (%d) %02x %02x %02x\n", - __func__, psmouse->pktcnt, psmouse->packet[0], - psmouse->packet[1], psmouse->packet[2]); + if (!hgpk_is_byte_valid(psmouse, psmouse->packet)) return PSMOUSE_BAD_DATA; - } if (psmouse->pktcnt >= psmouse->pktsize) { - hgpk_process_packet(psmouse); + if (priv->mode == HGPK_MODE_MOUSE) + hgpk_process_simple_packet(psmouse); + else + hgpk_process_advanced_packet(psmouse); return PSMOUSE_FULL_PACKET; } @@ -210,33 +493,176 @@ static psmouse_ret_t hgpk_process_byte(struct psmouse *psmouse) return PSMOUSE_GOOD_DATA; } +static int hgpk_select_mode(struct psmouse *psmouse) +{ + struct ps2dev *ps2dev = &psmouse->ps2dev; + struct hgpk_data *priv = psmouse->private; + int i; + int cmd; + + /* + * 4 disables to enable advanced mode + * then 3 0xf2 bytes as the preamble for GS/PT selection + */ + const int advanced_init[] = { + PSMOUSE_CMD_DISABLE, PSMOUSE_CMD_DISABLE, + PSMOUSE_CMD_DISABLE, PSMOUSE_CMD_DISABLE, + 0xf2, 0xf2, 0xf2, + }; + + switch (priv->mode) { + case HGPK_MODE_MOUSE: + psmouse->pktsize = 3; + break; + + case HGPK_MODE_GLIDESENSOR: + case HGPK_MODE_PENTABLET: + psmouse->pktsize = 6; + + /* Switch to 'Advanced mode.', four disables in a row. */ + for (i = 0; i < ARRAY_SIZE(advanced_init); i++) + if (ps2_command(ps2dev, NULL, advanced_init[i])) + return -EIO; + + /* select between GlideSensor (mouse) or PenTablet */ + cmd = priv->mode == HGPK_MODE_GLIDESENSOR ? + PSMOUSE_CMD_SETSCALE11 : PSMOUSE_CMD_SETSCALE21; + + if (ps2_command(ps2dev, NULL, cmd)) + return -EIO; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static void hgpk_setup_input_device(struct input_dev *input, + struct input_dev *old_input, + enum hgpk_mode mode) +{ + if (old_input) { + input->name = old_input->name; + input->phys = old_input->phys; + input->id = old_input->id; + input->dev.parent = old_input->dev.parent; + } + + memset(input->evbit, 0, sizeof(input->evbit)); + memset(input->relbit, 0, sizeof(input->relbit)); + memset(input->keybit, 0, sizeof(input->keybit)); + + /* All modes report left and right buttons */ + __set_bit(EV_KEY, input->evbit); + __set_bit(BTN_LEFT, input->keybit); + __set_bit(BTN_RIGHT, input->keybit); + + switch (mode) { + case HGPK_MODE_MOUSE: + __set_bit(EV_REL, input->evbit); + __set_bit(REL_X, input->relbit); + __set_bit(REL_Y, input->relbit); + break; + + case HGPK_MODE_GLIDESENSOR: + __set_bit(BTN_TOUCH, input->keybit); + __set_bit(BTN_TOOL_FINGER, input->keybit); + + __set_bit(EV_ABS, input->evbit); + + /* GlideSensor has pressure sensor, PenTablet does not */ + input_set_abs_params(input, ABS_PRESSURE, 0, 15, 0, 0); + + /* From device specs */ + input_set_abs_params(input, ABS_X, 0, 399, 0, 0); + input_set_abs_params(input, ABS_Y, 0, 290, 0, 0); + + /* Calculated by hand based on usable size (52mm x 38mm) */ + input_abs_set_res(input, ABS_X, 8); + input_abs_set_res(input, ABS_Y, 8); + break; + + case HGPK_MODE_PENTABLET: + __set_bit(BTN_TOUCH, input->keybit); + __set_bit(BTN_TOOL_FINGER, input->keybit); + + __set_bit(EV_ABS, input->evbit); + + /* From device specs */ + input_set_abs_params(input, ABS_X, 0, 999, 0, 0); + input_set_abs_params(input, ABS_Y, 5, 239, 0, 0); + + /* Calculated by hand based on usable size (156mm x 38mm) */ + input_abs_set_res(input, ABS_X, 6); + input_abs_set_res(input, ABS_Y, 8); + break; + + default: + BUG(); + } +} + +static int hgpk_reset_device(struct psmouse *psmouse, bool recalibrate) +{ + int err; + + psmouse_reset(psmouse); + + if (recalibrate) { + struct ps2dev *ps2dev = &psmouse->ps2dev; + + /* send the recalibrate request */ + if (ps2_command(ps2dev, NULL, 0xf5) || + ps2_command(ps2dev, NULL, 0xf5) || + ps2_command(ps2dev, NULL, 0xe6) || + ps2_command(ps2dev, NULL, 0xf5)) { + return -1; + } + + /* according to ALPS, 150mS is required for recalibration */ + msleep(150); + } + + err = hgpk_select_mode(psmouse); + if (err) { + hgpk_err(psmouse, "failed to select mode\n"); + return err; + } + + hgpk_reset_hack_state(psmouse); + + return 0; +} + static int hgpk_force_recalibrate(struct psmouse *psmouse) { struct ps2dev *ps2dev = &psmouse->ps2dev; struct hgpk_data *priv = psmouse->private; + int err; /* C-series touchpads added the recalibrate command */ if (psmouse->model < HGPK_MODEL_C) return 0; + if (!autorecal) { + hgpk_dbg(psmouse, "recalibrations disabled, ignoring\n"); + return 0; + } + + hgpk_dbg(psmouse, "recalibrating touchpad..\n"); + /* we don't want to race with the irq handler, nor with resyncs */ psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); /* start by resetting the device */ - psmouse_reset(psmouse); - - /* send the recalibrate request */ - if (ps2_command(ps2dev, NULL, 0xf5) || - ps2_command(ps2dev, NULL, 0xf5) || - ps2_command(ps2dev, NULL, 0xe6) || - ps2_command(ps2dev, NULL, 0xf5)) { - return -1; - } - - /* according to ALPS, 150mS is required for recalibration */ - msleep(150); + err = hgpk_reset_device(psmouse, true); + if (err) + return err; - /* XXX: If a finger is down during this delay, recalibration will + /* + * XXX: If a finger is down during this delay, recalibration will * detect capacitance incorrectly. This is a hardware bug, and * we don't have a good way to deal with it. The 2s window stuff * (below) is our best option for now. @@ -247,25 +673,35 @@ static int hgpk_force_recalibrate(struct psmouse *psmouse) psmouse_set_state(psmouse, PSMOUSE_ACTIVATED); - /* After we recalibrate, we shouldn't get any packets for 2s. If - * we do, it's likely that someone's finger was on the touchpad. - * If someone's finger *was* on the touchpad, it's probably - * miscalibrated. So, we should schedule another recalibration + if (tpdebug) + hgpk_dbg(psmouse, "touchpad reactivated\n"); + + /* + * If we get packets right away after recalibrating, it's likely + * that a finger was on the touchpad. If so, it's probably + * miscalibrated, so we optionally schedule another. */ - priv->recalib_window = jiffies + msecs_to_jiffies(recal_guard_time); + if (recal_guard_time) + priv->recalib_window = jiffies + + msecs_to_jiffies(recal_guard_time); return 0; } /* - * This kills power to the touchpad; according to ALPS, current consumption - * goes down to 50uA after running this. To turn power back on, we drive - * MS-DAT low. + * This puts the touchpad in a power saving mode; according to ALPS, current + * consumption goes down to 50uA after running this. To turn power back on, + * we drive MS-DAT low. Measuring with a 1mA resolution ammeter says that + * the current on the SUS_3.3V rail drops from 3mA or 4mA to 0 when we do this. + * + * We have no formal spec that details this operation -- the low-power + * sequence came from a long-lost email trail. */ -static int hgpk_toggle_power(struct psmouse *psmouse, int enable) +static int hgpk_toggle_powersave(struct psmouse *psmouse, int enable) { struct ps2dev *ps2dev = &psmouse->ps2dev; int timeo; + int err; /* Added on D-series touchpads */ if (psmouse->model < HGPK_MODEL_D) @@ -279,24 +715,27 @@ static int hgpk_toggle_power(struct psmouse *psmouse, int enable) * the controller. Once we get an ACK back from it, it * means we can continue with the touchpad re-init. ALPS * tells us that 1s should be long enough, so set that as - * the upper bound. + * the upper bound. (in practice, it takes about 3 loops.) */ for (timeo = 20; timeo > 0; timeo--) { if (!ps2_sendbyte(&psmouse->ps2dev, PSMOUSE_CMD_DISABLE, 20)) break; - msleep(50); + msleep(25); } - psmouse_reset(psmouse); + err = hgpk_reset_device(psmouse, false); + if (err) { + hgpk_err(psmouse, "Failed to reset device!\n"); + return err; + } /* should be all set, enable the touchpad */ ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE); psmouse_set_state(psmouse, PSMOUSE_ACTIVATED); - + hgpk_dbg(psmouse, "Touchpad powered up.\n"); } else { hgpk_dbg(psmouse, "Powering off touchpad.\n"); - psmouse_set_state(psmouse, PSMOUSE_IGNORE); if (ps2_command(ps2dev, NULL, 0xec) || ps2_command(ps2dev, NULL, 0xec) || @@ -304,6 +743,8 @@ static int hgpk_toggle_power(struct psmouse *psmouse, int enable) return -1; } + psmouse_set_state(psmouse, PSMOUSE_IGNORE); + /* probably won't see an ACK, the touchpad will be off */ ps2_sendbyte(&psmouse->ps2dev, 0xec, 20); } @@ -319,17 +760,20 @@ static int hgpk_poll(struct psmouse *psmouse) static int hgpk_reconnect(struct psmouse *psmouse) { - /* During suspend/resume the ps2 rails remain powered. We don't want + struct hgpk_data *priv = psmouse->private; + + /* + * During suspend/resume the ps2 rails remain powered. We don't want * to do a reset because it's flush data out of buffers; however, - * earlier prototypes (B1) had some brokenness that required a reset. */ + * earlier prototypes (B1) had some brokenness that required a reset. + */ if (olpc_board_at_least(olpc_board(0xb2))) if (psmouse->ps2dev.serio->dev.power.power_state.event != PM_EVENT_ON) return 0; - psmouse_reset(psmouse); - - return 0; + priv->powered = 1; + return hgpk_reset_device(psmouse, false); } static ssize_t hgpk_show_powered(struct psmouse *psmouse, void *data, char *buf) @@ -355,7 +799,7 @@ static ssize_t hgpk_set_powered(struct psmouse *psmouse, void *data, * hgpk_toggle_power will deal w/ state so * we're not racing w/ irq */ - err = hgpk_toggle_power(psmouse, value); + err = hgpk_toggle_powersave(psmouse, value); if (!err) priv->powered = value; } @@ -366,6 +810,65 @@ static ssize_t hgpk_set_powered(struct psmouse *psmouse, void *data, __PSMOUSE_DEFINE_ATTR(powered, S_IWUSR | S_IRUGO, NULL, hgpk_show_powered, hgpk_set_powered, false); +static ssize_t attr_show_mode(struct psmouse *psmouse, void *data, char *buf) +{ + struct hgpk_data *priv = psmouse->private; + + return sprintf(buf, "%s\n", hgpk_mode_names[priv->mode]); +} + +static ssize_t attr_set_mode(struct psmouse *psmouse, void *data, + const char *buf, size_t len) +{ + struct hgpk_data *priv = psmouse->private; + enum hgpk_mode old_mode = priv->mode; + enum hgpk_mode new_mode = hgpk_mode_from_name(buf, len); + struct input_dev *old_dev = psmouse->dev; + struct input_dev *new_dev; + int err; + + if (new_mode == HGPK_MODE_INVALID) + return -EINVAL; + + if (old_mode == new_mode) + return len; + + new_dev = input_allocate_device(); + if (!new_dev) + return -ENOMEM; + + psmouse_set_state(psmouse, PSMOUSE_INITIALIZING); + + /* Switch device into the new mode */ + priv->mode = new_mode; + err = hgpk_reset_device(psmouse, false); + if (err) + goto err_try_restore; + + hgpk_setup_input_device(new_dev, old_dev, new_mode); + + psmouse_set_state(psmouse, PSMOUSE_CMD_MODE); + + err = input_register_device(new_dev); + if (err) + goto err_try_restore; + + psmouse->dev = new_dev; + input_unregister_device(old_dev); + + return len; + +err_try_restore: + input_free_device(new_dev); + priv->mode = old_mode; + hgpk_reset_device(psmouse, false); + + return err; +} + +PSMOUSE_DEFINE_ATTR(hgpk_mode, S_IWUSR | S_IRUGO, NULL, + attr_show_mode, attr_set_mode); + static ssize_t hgpk_trigger_recal_show(struct psmouse *psmouse, void *data, char *buf) { @@ -401,6 +904,8 @@ static void hgpk_disconnect(struct psmouse *psmouse) device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_powered.dattr); + device_remove_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_hgpk_mode.dattr); if (psmouse->model >= HGPK_MODEL_C) device_remove_file(&psmouse->ps2dev.serio->dev, @@ -416,14 +921,13 @@ static void hgpk_recalib_work(struct work_struct *work) struct hgpk_data *priv = container_of(w, struct hgpk_data, recalib_wq); struct psmouse *psmouse = priv->psmouse; - hgpk_dbg(psmouse, "recalibrating touchpad..\n"); - if (hgpk_force_recalibrate(psmouse)) hgpk_err(psmouse, "recalibration failed!\n"); } static int hgpk_register(struct psmouse *psmouse) { + struct hgpk_data *priv = psmouse->private; int err; /* register handlers */ @@ -431,13 +935,14 @@ static int hgpk_register(struct psmouse *psmouse) psmouse->poll = hgpk_poll; psmouse->disconnect = hgpk_disconnect; psmouse->reconnect = hgpk_reconnect; - psmouse->pktsize = 3; /* Disable the idle resync. */ psmouse->resync_time = 0; /* Reset after a lot of bad bytes. */ psmouse->resetafter = 1024; + hgpk_setup_input_device(psmouse->dev, NULL, priv->mode); + err = device_create_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_powered.dattr); if (err) { @@ -445,6 +950,13 @@ static int hgpk_register(struct psmouse *psmouse) return err; } + err = device_create_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_hgpk_mode.dattr); + if (err) { + hgpk_err(psmouse, "Failed creating 'hgpk_mode' sysfs node\n"); + goto err_remove_powered; + } + /* C-series touchpads added the recalibrate command */ if (psmouse->model >= HGPK_MODEL_C) { err = device_create_file(&psmouse->ps2dev.serio->dev, @@ -452,30 +964,40 @@ static int hgpk_register(struct psmouse *psmouse) if (err) { hgpk_err(psmouse, "Failed creating 'recalibrate' sysfs node\n"); - device_remove_file(&psmouse->ps2dev.serio->dev, - &psmouse_attr_powered.dattr); - return err; + goto err_remove_mode; } } return 0; + +err_remove_mode: + device_remove_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_hgpk_mode.dattr); +err_remove_powered: + device_remove_file(&psmouse->ps2dev.serio->dev, + &psmouse_attr_powered.dattr); + return err; } int hgpk_init(struct psmouse *psmouse) { struct hgpk_data *priv; - int err = -ENOMEM; + int err; priv = kzalloc(sizeof(struct hgpk_data), GFP_KERNEL); - if (!priv) + if (!priv) { + err = -ENOMEM; goto alloc_fail; + } psmouse->private = priv; + priv->psmouse = psmouse; priv->powered = true; + priv->mode = hgpk_default_mode; INIT_DELAYED_WORK(&priv->recalib_wq, hgpk_recalib_work); - err = psmouse_reset(psmouse); + err = hgpk_reset_device(psmouse, false); if (err) goto init_fail; @@ -531,3 +1053,14 @@ int hgpk_detect(struct psmouse *psmouse, bool set_properties) return 0; } + +void hgpk_module_init(void) +{ + hgpk_default_mode = hgpk_mode_from_name(hgpk_mode_name, + strlen(hgpk_mode_name)); + if (hgpk_default_mode == HGPK_MODE_INVALID) { + hgpk_default_mode = HGPK_MODE_MOUSE; + strlcpy(hgpk_mode_name, hgpk_mode_names[HGPK_MODE_MOUSE], + sizeof(hgpk_mode_name)); + } +} diff --git a/drivers/input/mouse/hgpk.h b/drivers/input/mouse/hgpk.h index d61cfd3ee9c..311c0e87fcb 100644 --- a/drivers/input/mouse/hgpk.h +++ b/drivers/input/mouse/hgpk.h @@ -5,6 +5,9 @@ #ifndef _HGPK_H #define _HGPK_H +#define HGPK_GS 0xff /* The GlideSensor */ +#define HGPK_PT 0xcf /* The PenTablet */ + enum hgpk_model_t { HGPK_MODEL_PREA = 0x0a, /* pre-B1s */ HGPK_MODEL_A = 0x14, /* found on B1s, PT disabled in hardware */ @@ -13,12 +16,34 @@ enum hgpk_model_t { HGPK_MODEL_D = 0x50, /* C1, mass production */ }; +enum hgpk_spew_flag { + NO_SPEW, + MAYBE_SPEWING, + SPEW_DETECTED, + RECALIBRATING, +}; + +#define SPEW_WATCH_COUNT 42 /* at 12ms/packet, this is 1/2 second */ + +enum hgpk_mode { + HGPK_MODE_MOUSE, + HGPK_MODE_GLIDESENSOR, + HGPK_MODE_PENTABLET, + HGPK_MODE_INVALID +}; + struct hgpk_data { struct psmouse *psmouse; + enum hgpk_mode mode; bool powered; - int count, x_tally, y_tally; /* hardware workaround stuff */ + enum hgpk_spew_flag spew_flag; + int spew_count, x_tally, y_tally; /* spew detection */ unsigned long recalib_window; struct delayed_work recalib_wq; + int abs_x, abs_y; + int dupe_count; + int xbigj, ybigj, xlast, ylast; /* jumpiness detection */ + int xsaw_secondary, ysaw_secondary; /* jumpiness detection */ }; #define hgpk_dbg(psmouse, format, arg...) \ @@ -33,9 +58,13 @@ struct hgpk_data { dev_notice(&(psmouse)->ps2dev.serio->dev, format, ## arg) #ifdef CONFIG_MOUSE_PS2_OLPC +void hgpk_module_init(void); int hgpk_detect(struct psmouse *psmouse, bool set_properties); int hgpk_init(struct psmouse *psmouse); #else +static inline void hgpk_module_init(void) +{ +} static inline int hgpk_detect(struct psmouse *psmouse, bool set_properties) { return -ENODEV; diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index cd9d0c97e42..3f74baee102 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1711,6 +1711,7 @@ static int __init psmouse_init(void) lifebook_module_init(); synaptics_module_init(); + hgpk_module_init(); kpsmoused_wq = create_singlethread_workqueue("kpsmoused"); if (!kpsmoused_wq) { diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 2e300a46055..aa186cf6c51 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -25,7 +25,7 @@ #include <linux/module.h> #include <linux/dmi.h> -#include <linux/input.h> +#include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> #include <linux/slab.h> @@ -279,6 +279,25 @@ static void synaptics_set_rate(struct psmouse *psmouse, unsigned int rate) synaptics_mode_cmd(psmouse, priv->mode); } +static int synaptics_set_advanced_gesture_mode(struct psmouse *psmouse) +{ + static unsigned char param = 0xc8; + struct synaptics_data *priv = psmouse->private; + + if (!SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) + return 0; + + if (psmouse_sliced_command(psmouse, SYN_QUE_MODEL)) + return -1; + if (ps2_command(&psmouse->ps2dev, ¶m, PSMOUSE_CMD_SETRATE)) + return -1; + + /* Advanced gesture mode also sends multi finger data */ + priv->capabilities |= BIT(1); + + return 0; +} + /***************************************************************************** * Synaptics pass-through PS/2 port support ****************************************************************************/ @@ -380,7 +399,9 @@ static void synaptics_pt_create(struct psmouse *psmouse) * Functions to interpret the absolute mode packets ****************************************************************************/ -static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data *priv, struct synaptics_hw_state *hw) +static int synaptics_parse_hw_state(const unsigned char buf[], + struct synaptics_data *priv, + struct synaptics_hw_state *hw) { memset(hw, 0, sizeof(struct synaptics_hw_state)); @@ -397,6 +418,14 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data ((buf[0] & 0x04) >> 1) | ((buf[3] & 0x04) >> 2)); + if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c) && hw->w == 2) { + /* Gesture packet: (x, y, z) at half resolution */ + priv->mt.x = (((buf[4] & 0x0f) << 8) | buf[1]) << 1; + priv->mt.y = (((buf[4] & 0xf0) << 4) | buf[2]) << 1; + priv->mt.z = ((buf[3] & 0x30) | (buf[5] & 0x0f)) << 1; + return 1; + } + hw->left = (buf[0] & 0x01) ? 1 : 0; hw->right = (buf[0] & 0x02) ? 1 : 0; @@ -452,6 +481,36 @@ static void synaptics_parse_hw_state(unsigned char buf[], struct synaptics_data hw->left = (buf[0] & 0x01) ? 1 : 0; hw->right = (buf[0] & 0x02) ? 1 : 0; } + + return 0; +} + +static void set_slot(struct input_dev *dev, int slot, bool active, int x, int y) +{ + input_mt_slot(dev, slot); + input_mt_report_slot_state(dev, MT_TOOL_FINGER, active); + if (active) { + input_report_abs(dev, ABS_MT_POSITION_X, x); + input_report_abs(dev, ABS_MT_POSITION_Y, + YMAX_NOMINAL + YMIN_NOMINAL - y); + } +} + +static void synaptics_report_semi_mt_data(struct input_dev *dev, + const struct synaptics_hw_state *a, + const struct synaptics_hw_state *b, + int num_fingers) +{ + if (num_fingers >= 2) { + set_slot(dev, 0, true, min(a->x, b->x), min(a->y, b->y)); + set_slot(dev, 1, true, max(a->x, b->x), max(a->y, b->y)); + } else if (num_fingers == 1) { + set_slot(dev, 0, true, a->x, a->y); + set_slot(dev, 1, false, 0, 0); + } else { + set_slot(dev, 0, false, 0, 0); + set_slot(dev, 1, false, 0, 0); + } } /* @@ -466,7 +525,8 @@ static void synaptics_process_packet(struct psmouse *psmouse) int finger_width; int i; - synaptics_parse_hw_state(psmouse->packet, priv, &hw); + if (synaptics_parse_hw_state(psmouse->packet, priv, &hw)) + return; if (hw.scroll) { priv->scroll += hw.scroll; @@ -488,7 +548,7 @@ static void synaptics_process_packet(struct psmouse *psmouse) return; } - if (hw.z > 0) { + if (hw.z > 0 && hw.x > 1) { num_fingers = 1; finger_width = 5; if (SYN_CAP_EXTENDED(priv->capabilities)) { @@ -512,6 +572,9 @@ static void synaptics_process_packet(struct psmouse *psmouse) finger_width = 0; } + if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) + synaptics_report_semi_mt_data(dev, &hw, &priv->mt, num_fingers); + /* Post events * BTN_TOUCH has to be first as mousedev relies on it when doing * absolute -> relative conversion @@ -519,7 +582,7 @@ static void synaptics_process_packet(struct psmouse *psmouse) if (hw.z > 30) input_report_key(dev, BTN_TOUCH, 1); if (hw.z < 25) input_report_key(dev, BTN_TOUCH, 0); - if (hw.z > 0) { + if (num_fingers > 0) { input_report_abs(dev, ABS_X, hw.x); input_report_abs(dev, ABS_Y, YMAX_NOMINAL + YMIN_NOMINAL - hw.y); } @@ -622,6 +685,8 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) { int i; + __set_bit(INPUT_PROP_POINTER, dev->propbit); + __set_bit(EV_ABS, dev->evbit); input_set_abs_params(dev, ABS_X, XMIN_NOMINAL, priv->x_max ?: XMAX_NOMINAL, 0, 0); @@ -629,6 +694,15 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) YMIN_NOMINAL, priv->y_max ?: YMAX_NOMINAL, 0, 0); input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); + if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { + __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); + input_mt_init_slots(dev, 2); + input_set_abs_params(dev, ABS_MT_POSITION_X, XMIN_NOMINAL, + priv->x_max ?: XMAX_NOMINAL, 0, 0); + input_set_abs_params(dev, ABS_MT_POSITION_Y, YMIN_NOMINAL, + priv->y_max ?: YMAX_NOMINAL, 0, 0); + } + if (SYN_CAP_PALMDETECT(priv->capabilities)) input_set_abs_params(dev, ABS_TOOL_WIDTH, 0, 15, 0, 0); @@ -663,6 +737,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) input_abs_set_res(dev, ABS_Y, priv->y_res); if (SYN_CAP_CLICKPAD(priv->ext_cap_0c)) { + __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit); /* Clickpads report only left button */ __clear_bit(BTN_RIGHT, dev->keybit); __clear_bit(BTN_MIDDLE, dev->keybit); @@ -680,25 +755,46 @@ static int synaptics_reconnect(struct psmouse *psmouse) { struct synaptics_data *priv = psmouse->private; struct synaptics_data old_priv = *priv; + int retry = 0; + int error; - psmouse_reset(psmouse); + do { + psmouse_reset(psmouse); + error = synaptics_detect(psmouse, 0); + } while (error && ++retry < 3); - if (synaptics_detect(psmouse, 0)) + if (error) return -1; + if (retry > 1) + printk(KERN_DEBUG "Synaptics reconnected after %d tries\n", + retry); + if (synaptics_query_hardware(psmouse)) { printk(KERN_ERR "Unable to query Synaptics hardware.\n"); return -1; } + if (synaptics_set_absolute_mode(psmouse)) { + printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); + return -1; + } + + if (synaptics_set_advanced_gesture_mode(psmouse)) { + printk(KERN_ERR "Advanced gesture mode reconnect failed.\n"); + return -1; + } + if (old_priv.identity != priv->identity || old_priv.model_id != priv->model_id || old_priv.capabilities != priv->capabilities || - old_priv.ext_cap != priv->ext_cap) - return -1; - - if (synaptics_set_absolute_mode(psmouse)) { - printk(KERN_ERR "Unable to initialize Synaptics hardware.\n"); + old_priv.ext_cap != priv->ext_cap) { + printk(KERN_ERR "Synaptics hardware appears to be different: " + "id(%ld-%ld), model(%ld-%ld), caps(%lx-%lx), ext(%lx-%lx).\n", + old_priv.identity, priv->identity, + old_priv.model_id, priv->model_id, + old_priv.capabilities, priv->capabilities, + old_priv.ext_cap, priv->ext_cap); return -1; } @@ -744,15 +840,45 @@ static const struct dmi_system_id __initconst toshiba_dmi_table[] = { #endif }; +static bool broken_olpc_ec; + +static const struct dmi_system_id __initconst olpc_dmi_table[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_OLPC) + { + /* OLPC XO-1 or XO-1.5 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "OLPC"), + DMI_MATCH(DMI_PRODUCT_NAME, "XO"), + }, + }, + { } +#endif +}; + void __init synaptics_module_init(void) { impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); + broken_olpc_ec = dmi_check_system(olpc_dmi_table); } int synaptics_init(struct psmouse *psmouse) { struct synaptics_data *priv; + /* + * The OLPC XO has issues with Synaptics' absolute mode; similarly to + * the HGPK, it quickly degrades and the hardware becomes jumpy and + * overly sensitive. Not only that, but the constant packet spew + * (even at a lowered 40pps rate) overloads the EC such that key + * presses on the keyboard are missed. Given all of that, don't + * even attempt to use Synaptics mode. Relative mode seems to work + * just fine. + */ + if (broken_olpc_ec) { + printk(KERN_INFO "synaptics: OLPC XO detected, not enabling Synaptics protocol.\n"); + return -ENODEV; + } + psmouse->private = priv = kzalloc(sizeof(struct synaptics_data), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -769,6 +895,11 @@ int synaptics_init(struct psmouse *psmouse) goto init_fail; } + if (synaptics_set_advanced_gesture_mode(psmouse)) { + printk(KERN_ERR "Advanced gesture mode init failed.\n"); + goto init_fail; + } + priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; printk(KERN_INFO "Synaptics Touchpad, model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n", @@ -802,8 +933,8 @@ int synaptics_init(struct psmouse *psmouse) /* * Toshiba's KBC seems to have trouble handling data from - * Synaptics as full rate, switch to lower rate which is roughly - * thye same as rate of standard PS/2 mouse. + * Synaptics at full rate. Switch to a lower rate (roughly + * the same rate as a standard PS/2 mouse). */ if (psmouse->rate >= 80 && impaired_toshiba_kbc) { printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n", diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index 613a3652f98..25e5d042a72 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -51,8 +51,10 @@ #define SYN_EXT_CAP_REQUESTS(c) (((c) & 0x700000) >> 20) #define SYN_CAP_MULTI_BUTTON_NO(ec) (((ec) & 0x00f000) >> 12) #define SYN_CAP_PRODUCT_ID(ec) (((ec) & 0xff0000) >> 16) -#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100100) +#define SYN_CAP_CLICKPAD(ex0c) ((ex0c) & 0x100000) /* 1-button ClickPad */ +#define SYN_CAP_CLICKPAD2BTN(ex0c) ((ex0c) & 0x000100) /* 2-button ClickPad */ #define SYN_CAP_MAX_DIMENSIONS(ex0c) ((ex0c) & 0x020000) +#define SYN_CAP_ADV_GESTURE(ex0c) ((ex0c) & 0x080000) /* synaptics modes query bits */ #define SYN_MODE_ABSOLUTE(m) ((m) & (1 << 7)) @@ -112,6 +114,8 @@ struct synaptics_data { int scroll; struct serio *pt_port; /* Pass-through serio port */ + + struct synaptics_hw_state mt; /* current gesture packet */ }; void synaptics_module_init(void); diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index 2a00ddf4f23..7630273e947 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -9,6 +9,8 @@ * the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #define MOUSEDEV_MINOR_BASE 32 #define MOUSEDEV_MINORS 32 #define MOUSEDEV_MIX 31 @@ -977,7 +979,7 @@ static int mousedev_connect(struct input_handler *handler, break; if (minor == MOUSEDEV_MINORS) { - printk(KERN_ERR "mousedev: no more free mousedev devices\n"); + pr_err("no more free mousedev devices\n"); return -ENFILE; } @@ -1087,13 +1089,13 @@ static int __init mousedev_init(void) #ifdef CONFIG_INPUT_MOUSEDEV_PSAUX error = misc_register(&psaux_mouse); if (error) - printk(KERN_WARNING "mice: could not register psaux device, " - "error: %d\n", error); + pr_warning("could not register psaux device, error: %d\n", + error); else psaux_registered = 1; #endif - printk(KERN_INFO "mice: PS/2 mouse device common for all mice\n"); + pr_info("PS/2 mouse device common for all mice\n"); return 0; } diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index 6256233d2bf..55f2c2293ec 100644 --- a/drivers/input/serio/Kconfig +++ b/drivers/input/serio/Kconfig @@ -2,7 +2,7 @@ # Input core configuration # config SERIO - tristate "Serial I/O support" if EMBEDDED || !X86 + tristate "Serial I/O support" if EXPERT || !X86 default y help Say Yes here if you have any input device that uses serial I/O to @@ -19,7 +19,7 @@ config SERIO if SERIO config SERIO_I8042 - tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86 + tristate "i8042 PC Keyboard controller" if EXPERT || !X86 default y depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \ (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN @@ -168,7 +168,7 @@ config SERIO_MACEPS2 module will be called maceps2. config SERIO_LIBPS2 - tristate "PS/2 driver library" if EMBEDDED + tristate "PS/2 driver library" if EXPERT depends on SERIO_I8042 || SERIO_I8042=n help Say Y here if you are using a driver for device connected @@ -214,7 +214,6 @@ config SERIO_AMS_DELTA tristate "Amstrad Delta (E3) mailboard support" depends on MACH_AMS_DELTA default y - select AMS_DELTA_FIQ ---help--- Say Y here if you have an E3 and want to use its mailboard, or any standard AT keyboard connected to the mailboard port. @@ -230,7 +229,7 @@ config SERIO_PS2MULT tristate "TQC PS/2 multiplexer" help Say Y here if you have the PS/2 line multiplexer like the one - present on TQC boads. + present on TQC boards. To compile this driver as a module, choose M here: the module will be called ps2mult. diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c index 8f1770e1e08..ebe95532567 100644 --- a/drivers/input/serio/ams_delta_serio.c +++ b/drivers/input/serio/ams_delta_serio.c @@ -172,6 +172,5 @@ static void __exit ams_delta_serio_exit(void) free_irq(OMAP_GPIO_IRQ(AMS_DELTA_GPIO_PIN_KEYBRD_CLK), 0); gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_CLK); gpio_free(AMS_DELTA_GPIO_PIN_KEYBRD_DATA); - kfree(ams_delta_serio); } module_exit(ams_delta_serio_exit); diff --git a/drivers/input/serio/ct82c710.c b/drivers/input/serio/ct82c710.c index 4a3084695c0..85281656724 100644 --- a/drivers/input/serio/ct82c710.c +++ b/drivers/input/serio/ct82c710.c @@ -111,9 +111,11 @@ static void ct82c710_close(struct serio *serio) static int ct82c710_open(struct serio *serio) { unsigned char status; + int err; - if (request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL)) - return -1; + err = request_irq(CT82C710_IRQ, ct82c710_interrupt, 0, "ct82c710", NULL); + if (err) + return err; status = inb_p(CT82C710_STATUS); @@ -131,7 +133,7 @@ static int ct82c710_open(struct serio *serio) status &= ~(CT82C710_ENABLE | CT82C710_INTS_ON); outb_p(status, CT82C710_STATUS); free_irq(CT82C710_IRQ, NULL); - return -1; + return -EBUSY; } return 0; @@ -191,6 +193,9 @@ static int __devinit ct82c710_probe(struct platform_device *dev) serio_register_port(ct82c710_port); + printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n", + (unsigned long long)CT82C710_DATA, CT82C710_IRQ); + return 0; } @@ -237,11 +242,6 @@ static int __init ct82c710_init(void) if (error) goto err_free_device; - serio_register_port(ct82c710_port); - - printk(KERN_INFO "serio: C&T 82c710 mouse port at %#llx irq %d\n", - (unsigned long long)CT82C710_DATA, CT82C710_IRQ); - return 0; err_free_device: diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c index 3c287dd879d..4225f5d6b15 100644 --- a/drivers/input/serio/gscps2.c +++ b/drivers/input/serio/gscps2.c @@ -358,7 +358,7 @@ static int __devinit gscps2_probe(struct parisc_device *dev) gscps2_reset(ps2port); ps2port->id = readb(ps2port->addr + GSC_ID) & 0x0f; - snprintf(serio->name, sizeof(serio->name), "GSC PS/2 %s", + snprintf(serio->name, sizeof(serio->name), "gsc-ps2-%s", (ps2port->id == GSC_ID_KEYBOARD) ? "keyboard" : "mouse"); strlcpy(serio->phys, dev_name(&dev->dev), sizeof(serio->phys)); serio->id.type = SERIO_8042; diff --git a/drivers/input/serio/hil_mlc.c b/drivers/input/serio/hil_mlc.c index e5624d8f170..bfd3865d886 100644 --- a/drivers/input/serio/hil_mlc.c +++ b/drivers/input/serio/hil_mlc.c @@ -932,6 +932,11 @@ int hil_mlc_register(hil_mlc *mlc) hil_mlc_copy_di_scratch(mlc, i); mlc_serio = kzalloc(sizeof(*mlc_serio), GFP_KERNEL); mlc->serio[i] = mlc_serio; + if (!mlc->serio[i]) { + for (; i >= 0; i--) + kfree(mlc->serio[i]); + return -ENOMEM; + } snprintf(mlc_serio->name, sizeof(mlc_serio->name)-1, "HIL_SERIO%d", i); snprintf(mlc_serio->phys, sizeof(mlc_serio->phys)-1, "HIL%d", i); mlc_serio->id = hil_mlc_serio_id; diff --git a/drivers/input/serio/hp_sdc_mlc.c b/drivers/input/serio/hp_sdc_mlc.c index 7d2b820ef58..d50f0678bf4 100644 --- a/drivers/input/serio/hp_sdc_mlc.c +++ b/drivers/input/serio/hp_sdc_mlc.c @@ -305,6 +305,7 @@ static void hp_sdc_mlc_out(hil_mlc *mlc) static int __init hp_sdc_mlc_init(void) { hil_mlc *mlc = &hp_sdc_mlc; + int err; #ifdef __mc68000__ if (!MACH_IS_HP300) @@ -323,22 +324,21 @@ static int __init hp_sdc_mlc_init(void) mlc->out = &hp_sdc_mlc_out; mlc->priv = &hp_sdc_mlc_priv; - if (hil_mlc_register(mlc)) { + err = hil_mlc_register(mlc); + if (err) { printk(KERN_WARNING PREFIX "Failed to register MLC structure with hil_mlc\n"); - goto err0; + return err; } if (hp_sdc_request_hil_irq(&hp_sdc_mlc_isr)) { printk(KERN_WARNING PREFIX "Request for raw HIL ISR hook denied\n"); - goto err1; + if (hil_mlc_unregister(mlc)) + printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n" + "This is bad. Could cause an oops.\n"); + return -EBUSY; } + return 0; - err1: - if (hil_mlc_unregister(mlc)) - printk(KERN_ERR PREFIX "Failed to unregister MLC structure with hil_mlc.\n" - "This is bad. Could cause an oops.\n"); - err0: - return -EBUSY; } static void __exit hp_sdc_mlc_exit(void) diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index a5475b57708..bb9f5d31f0d 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -424,6 +424,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "0100"), }, }, + { + /* Dell Vostro V13 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), + }, + }, { } }; @@ -545,6 +552,17 @@ static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = { }; #endif +static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { + { + /* Dell Vostro V13 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), + }, + }, + { } +}; + /* * Some Wistron based laptops need us to explicitly enable the 'Dritek * keyboard extension' to make their extra keys start generating scancodes. @@ -553,6 +571,13 @@ static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = { */ static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = { { + /* Acer Aspire 5100 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), + }, + }, + { /* Acer Aspire 5610 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Acer"), @@ -752,7 +777,7 @@ static int __init i8042_pnp_init(void) #endif if (i8042_nopnp) { - printk(KERN_INFO "i8042: PNP detection disabled\n"); + pr_info("PNP detection disabled\n"); return 0; } @@ -769,7 +794,7 @@ static int __init i8042_pnp_init(void) #if defined(__ia64__) return -ENODEV; #else - printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n"); + pr_info("PNP: No PS/2 controller found. Probing ports directly.\n"); return 0; #endif } @@ -781,7 +806,7 @@ static int __init i8042_pnp_init(void) snprintf(aux_irq_str, sizeof(aux_irq_str), "%d", i8042_pnp_aux_irq); - printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n", + pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n", i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", i8042_pnp_aux_name, i8042_pnp_data_reg, i8042_pnp_command_reg, @@ -798,9 +823,7 @@ static int __init i8042_pnp_init(void) if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) && i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) { - printk(KERN_WARNING - "PNP: PS/2 controller has invalid data port %#x; " - "using default %#x\n", + pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n", i8042_pnp_data_reg, i8042_data_reg); i8042_pnp_data_reg = i8042_data_reg; pnp_data_busted = true; @@ -809,33 +832,27 @@ static int __init i8042_pnp_init(void) if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) && i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) { - printk(KERN_WARNING - "PNP: PS/2 controller has invalid command port %#x; " - "using default %#x\n", + pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n", i8042_pnp_command_reg, i8042_command_reg); i8042_pnp_command_reg = i8042_command_reg; pnp_data_busted = true; } if (!i8042_nokbd && !i8042_pnp_kbd_irq) { - printk(KERN_WARNING - "PNP: PS/2 controller doesn't have KBD irq; " - "using default %d\n", i8042_kbd_irq); + pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n", + i8042_kbd_irq); i8042_pnp_kbd_irq = i8042_kbd_irq; pnp_data_busted = true; } if (!i8042_noaux && !i8042_pnp_aux_irq) { if (!pnp_data_busted && i8042_pnp_kbd_irq) { - printk(KERN_WARNING - "PNP: PS/2 appears to have AUX port disabled, " - "if this is incorrect please boot with " - "i8042.nopnp\n"); + pr_warn("PNP: PS/2 appears to have AUX port disabled, " + "if this is incorrect please boot with i8042.nopnp\n"); i8042_noaux = true; } else { - printk(KERN_WARNING - "PNP: PS/2 controller doesn't have AUX irq; " - "using default %d\n", i8042_aux_irq); + pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n", + i8042_aux_irq); i8042_pnp_aux_irq = i8042_aux_irq; } } @@ -897,6 +914,9 @@ static int __init i8042_platform_init(void) if (dmi_check_system(i8042_dmi_nomux_table)) i8042_nomux = true; + if (dmi_check_system(i8042_dmi_notimeout_table)) + i8042_notimeout = true; + if (dmi_check_system(i8042_dmi_dritek_table)) i8042_dritek = true; #endif /* CONFIG_X86 */ diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c index 18db5a8c747..ac4c93689ab 100644 --- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -10,6 +10,8 @@ * the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/types.h> #include <linux/delay.h> #include <linux/module.h> @@ -61,6 +63,10 @@ static bool i8042_noloop; module_param_named(noloop, i8042_noloop, bool, 0); MODULE_PARM_DESC(noloop, "Disable the AUX Loopback command while probing for the AUX port"); +static bool i8042_notimeout; +module_param_named(notimeout, i8042_notimeout, bool, 0); +MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042"); + #ifdef CONFIG_X86 static bool i8042_dritek; module_param_named(dritek, i8042_dritek, bool, 0); @@ -225,8 +231,8 @@ static int i8042_flush(void) udelay(50); data = i8042_read_data(); i++; - dbg("%02x <- i8042 (flush, %s)", data, - str & I8042_STR_AUXDATA ? "aux" : "kbd"); + dbg("%02x <- i8042 (flush, %s)\n", + data, str & I8042_STR_AUXDATA ? "aux" : "kbd"); } spin_unlock_irqrestore(&i8042_lock, flags); @@ -253,32 +259,32 @@ static int __i8042_command(unsigned char *param, int command) if (error) return error; - dbg("%02x -> i8042 (command)", command & 0xff); + dbg("%02x -> i8042 (command)\n", command & 0xff); i8042_write_command(command & 0xff); for (i = 0; i < ((command >> 12) & 0xf); i++) { error = i8042_wait_write(); if (error) return error; - dbg("%02x -> i8042 (parameter)", param[i]); + dbg("%02x -> i8042 (parameter)\n", param[i]); i8042_write_data(param[i]); } for (i = 0; i < ((command >> 8) & 0xf); i++) { error = i8042_wait_read(); if (error) { - dbg(" -- i8042 (timeout)"); + dbg(" -- i8042 (timeout)\n"); return error; } if (command == I8042_CMD_AUX_LOOP && !(i8042_read_status() & I8042_STR_AUXDATA)) { - dbg(" -- i8042 (auxerr)"); + dbg(" -- i8042 (auxerr)\n"); return -1; } param[i] = i8042_read_data(); - dbg("%02x <- i8042 (return)", param[i]); + dbg("%02x <- i8042 (return)\n", param[i]); } return 0; @@ -309,7 +315,7 @@ static int i8042_kbd_write(struct serio *port, unsigned char c) spin_lock_irqsave(&i8042_lock, flags); if (!(retval = i8042_wait_write())) { - dbg("%02x -> i8042 (kbd-data)", c); + dbg("%02x -> i8042 (kbd-data)\n", c); i8042_write_data(c); } @@ -355,17 +361,14 @@ static void i8042_port_close(struct serio *serio) i8042_ctr &= ~irq_bit; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) - printk(KERN_WARNING - "i8042.c: Can't write CTR while closing %s port.\n", - port_name); + pr_warn("Can't write CTR while closing %s port\n", port_name); udelay(50); i8042_ctr &= ~disable_bit; i8042_ctr |= irq_bit; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) - printk(KERN_ERR "i8042.c: Can't reactivate %s port.\n", - port_name); + pr_err("Can't reactivate %s port\n", port_name); /* * See if there is any data appeared while we were messing with @@ -456,7 +459,8 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id) str = i8042_read_status(); if (unlikely(~str & I8042_STR_OBF)) { spin_unlock_irqrestore(&i8042_lock, flags); - if (irq) dbg("Interrupt %d, without any data", irq); + if (irq) + dbg("Interrupt %d, without any data\n", irq); ret = 0; goto out; } @@ -469,7 +473,8 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id) dfl = 0; if (str & I8042_STR_MUXERR) { - dbg("MUX error, status is %02x, data is %02x", str, data); + dbg("MUX error, status is %02x, data is %02x\n", + str, data); /* * When MUXERR condition is signalled the data register can only contain * 0xfd, 0xfe or 0xff if implementation follows the spec. Unfortunately @@ -503,7 +508,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id) } else { dfl = ((str & I8042_STR_PARITY) ? SERIO_PARITY : 0) | - ((str & I8042_STR_TIMEOUT) ? SERIO_TIMEOUT : 0); + ((str & I8042_STR_TIMEOUT && !i8042_notimeout) ? SERIO_TIMEOUT : 0); port_no = (str & I8042_STR_AUXDATA) ? I8042_AUX_PORT_NO : I8042_KBD_PORT_NO; @@ -512,7 +517,7 @@ static irqreturn_t i8042_interrupt(int irq, void *dev_id) port = &i8042_ports[port_no]; serio = port->exists ? port->serio : NULL; - dbg("%02x <- i8042 (interrupt, %d, %d%s%s)", + dbg("%02x <- i8042 (interrupt, %d, %d%s%s)\n", data, port_no, irq, dfl & SERIO_PARITY ? ", bad parity" : "", dfl & SERIO_TIMEOUT ? ", timeout" : ""); @@ -540,7 +545,7 @@ static int i8042_enable_kbd_port(void) if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { i8042_ctr &= ~I8042_CTR_KBDINT; i8042_ctr |= I8042_CTR_KBDDIS; - printk(KERN_ERR "i8042.c: Failed to enable KBD port.\n"); + pr_err("Failed to enable KBD port\n"); return -EIO; } @@ -559,7 +564,7 @@ static int i8042_enable_aux_port(void) if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { i8042_ctr &= ~I8042_CTR_AUXINT; i8042_ctr |= I8042_CTR_AUXDIS; - printk(KERN_ERR "i8042.c: Failed to enable AUX port.\n"); + pr_err("Failed to enable AUX port\n"); return -EIO; } @@ -641,7 +646,7 @@ static int __init i8042_check_mux(void) if (i8042_set_mux_mode(true, &mux_version)) return -1; - printk(KERN_INFO "i8042.c: Detected active multiplexing controller, rev %d.%d.\n", + pr_info("Detected active multiplexing controller, rev %d.%d\n", (mux_version >> 4) & 0xf, mux_version & 0xf); /* @@ -651,7 +656,7 @@ static int __init i8042_check_mux(void) i8042_ctr &= ~I8042_CTR_AUXINT; if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { - printk(KERN_ERR "i8042.c: Failed to disable AUX port, can't use MUX.\n"); + pr_err("Failed to disable AUX port, can't use MUX\n"); return -EIO; } @@ -676,8 +681,8 @@ static irqreturn_t __init i8042_aux_test_irq(int irq, void *dev_id) str = i8042_read_status(); if (str & I8042_STR_OBF) { data = i8042_read_data(); - dbg("%02x <- i8042 (aux_test_irq, %s)", - data, str & I8042_STR_AUXDATA ? "aux" : "kbd"); + dbg("%02x <- i8042 (aux_test_irq, %s)\n", + data, str & I8042_STR_AUXDATA ? "aux" : "kbd"); if (i8042_irq_being_tested && data == 0xa5 && (str & I8042_STR_AUXDATA)) complete(&i8042_aux_irq_delivered); @@ -770,8 +775,8 @@ static int __init i8042_check_aux(void) */ if (i8042_toggle_aux(false)) { - printk(KERN_WARNING "Failed to disable AUX port, but continuing anyway... Is this a SiS?\n"); - printk(KERN_WARNING "If AUX port is really absent please use the 'i8042.noaux' option.\n"); + pr_warn("Failed to disable AUX port, but continuing anyway... Is this a SiS?\n"); + pr_warn("If AUX port is really absent please use the 'i8042.noaux' option\n"); } if (i8042_toggle_aux(true)) @@ -819,7 +824,7 @@ static int __init i8042_check_aux(void) * AUX IRQ was never delivered so we need to flush the controller to * get rid of the byte we put there; otherwise keyboard may not work. */ - dbg(" -- i8042 (aux irq test timeout)"); + dbg(" -- i8042 (aux irq test timeout)\n"); i8042_flush(); retval = -1; } @@ -845,7 +850,7 @@ static int __init i8042_check_aux(void) static int i8042_controller_check(void) { if (i8042_flush() == I8042_BUFFER_SIZE) { - printk(KERN_ERR "i8042.c: No controller found.\n"); + pr_err("No controller found\n"); return -ENODEV; } @@ -864,15 +869,15 @@ static int i8042_controller_selftest(void) do { if (i8042_command(¶m, I8042_CMD_CTL_TEST)) { - printk(KERN_ERR "i8042.c: i8042 controller self test timeout.\n"); + pr_err("i8042 controller self test timeout\n"); return -ENODEV; } if (param == I8042_RET_CTL_TEST) return 0; - printk(KERN_ERR "i8042.c: i8042 controller selftest failed. (%#x != %#x)\n", - param, I8042_RET_CTL_TEST); + pr_err("i8042 controller selftest failed. (%#x != %#x)\n", + param, I8042_RET_CTL_TEST); msleep(50); } while (i++ < 5); @@ -883,8 +888,7 @@ static int i8042_controller_selftest(void) * and user will still get a working keyboard. This is especially * important on netbooks. On other arches we trust hardware more. */ - printk(KERN_INFO - "i8042: giving up on controller selftest, continuing anyway...\n"); + pr_info("giving up on controller selftest, continuing anyway...\n"); return 0; #else return -EIO; @@ -909,8 +913,7 @@ static int i8042_controller_init(void) do { if (n >= 10) { - printk(KERN_ERR - "i8042.c: Unable to get stable CTR read.\n"); + pr_err("Unable to get stable CTR read\n"); return -EIO; } @@ -918,8 +921,7 @@ static int i8042_controller_init(void) udelay(50); if (i8042_command(&ctr[n++ % 2], I8042_CMD_CTL_RCTR)) { - printk(KERN_ERR - "i8042.c: Can't read CTR while initializing i8042.\n"); + pr_err("Can't read CTR while initializing i8042\n"); return -EIO; } @@ -943,7 +945,7 @@ static int i8042_controller_init(void) if (i8042_unlock) i8042_ctr |= I8042_CTR_IGNKEYLOCK; else - printk(KERN_WARNING "i8042.c: Warning: Keylock active.\n"); + pr_warn("Warning: Keylock active\n"); } spin_unlock_irqrestore(&i8042_lock, flags); @@ -970,7 +972,7 @@ static int i8042_controller_init(void) */ if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { - printk(KERN_ERR "i8042.c: Can't write CTR while initializing i8042.\n"); + pr_err("Can't write CTR while initializing i8042\n"); return -EIO; } @@ -1000,7 +1002,7 @@ static void i8042_controller_reset(void) i8042_ctr &= ~(I8042_CTR_KBDINT | I8042_CTR_AUXINT); if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) - printk(KERN_WARNING "i8042.c: Can't write CTR while resetting.\n"); + pr_warn("Can't write CTR while resetting\n"); /* * Disable MUX mode if present. @@ -1021,7 +1023,7 @@ static void i8042_controller_reset(void) */ if (i8042_command(&i8042_initial_ctr, I8042_CMD_CTL_WCTR)) - printk(KERN_WARNING "i8042.c: Can't restore CTR.\n"); + pr_warn("Can't restore CTR\n"); } @@ -1045,14 +1047,14 @@ static long i8042_panic_blink(int state) led = (state) ? 0x01 | 0x04 : 0; while (i8042_read_status() & I8042_STR_IBF) DELAY; - dbg("%02x -> i8042 (panic blink)", 0xed); + dbg("%02x -> i8042 (panic blink)\n", 0xed); i8042_suppress_kbd_ack = 2; i8042_write_data(0xed); /* set leds */ DELAY; while (i8042_read_status() & I8042_STR_IBF) DELAY; DELAY; - dbg("%02x -> i8042 (panic blink)", led); + dbg("%02x -> i8042 (panic blink)\n", led); i8042_write_data(led); DELAY; return delay; @@ -1068,9 +1070,7 @@ static void i8042_dritek_enable(void) error = i8042_command(¶m, 0x1059); if (error) - printk(KERN_WARNING - "Failed to enable DRITEK extension: %d\n", - error); + pr_warn("Failed to enable DRITEK extension: %d\n", error); } #endif @@ -1105,10 +1105,10 @@ static int i8042_controller_resume(bool force_reset) i8042_ctr |= I8042_CTR_AUXDIS | I8042_CTR_KBDDIS; i8042_ctr &= ~(I8042_CTR_AUXINT | I8042_CTR_KBDINT); if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { - printk(KERN_WARNING "i8042: Can't write CTR to resume, retrying...\n"); + pr_warn("Can't write CTR to resume, retrying...\n"); msleep(50); if (i8042_command(&i8042_ctr, I8042_CMD_CTL_WCTR)) { - printk(KERN_ERR "i8042: CTR write retry failed\n"); + pr_err("CTR write retry failed\n"); return -EIO; } } @@ -1121,9 +1121,7 @@ static int i8042_controller_resume(bool force_reset) if (i8042_mux_present) { if (i8042_set_mux_mode(true, NULL) || i8042_enable_mux_ports()) - printk(KERN_WARNING - "i8042: failed to resume active multiplexor, " - "mouse won't work.\n"); + pr_warn("failed to resume active multiplexor, mouse won't work\n"); } else if (i8042_ports[I8042_AUX_PORT_NO].serio) i8042_enable_aux_port(); diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index cbc1beb6657..ac1d759d0f5 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -89,15 +89,19 @@ #ifdef DEBUG static unsigned long i8042_start_time; #define dbg_init() do { i8042_start_time = jiffies; } while (0) -#define dbg(format, arg...) \ - do { \ +#define dbg(format, arg...) \ + do { \ if (i8042_debug) \ - printk(KERN_DEBUG __FILE__ ": " format " [%d]\n" , \ - ## arg, (int) (jiffies - i8042_start_time)); \ + printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ + (int) (jiffies - i8042_start_time), ##arg); \ } while (0) #else #define dbg_init() do { } while (0) -#define dbg(format, arg...) do {} while (0) +#define dbg(format, arg...) \ + do { \ + if (0) \ + printk(KERN_DEBUG pr_fmt(format), ##arg); \ + } while (0) #endif #endif /* _I8042_H */ diff --git a/drivers/input/serio/ps2mult.c b/drivers/input/serio/ps2mult.c index 6bce22e4e49..15aa81c9f1f 100644 --- a/drivers/input/serio/ps2mult.c +++ b/drivers/input/serio/ps2mult.c @@ -207,7 +207,7 @@ static int ps2mult_connect(struct serio *serio, struct serio_driver *drv) err_out: while (--i >= 0) kfree(psm->ports[i].serio); - kfree(serio); + kfree(psm); return error; } diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 405bf214527..7c38d1fbabf 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -32,10 +32,9 @@ #include <linux/module.h> #include <linux/serio.h> #include <linux/errno.h> -#include <linux/wait.h> #include <linux/sched.h> #include <linux/slab.h> -#include <linux/kthread.h> +#include <linux/workqueue.h> #include <linux/mutex.h> MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); @@ -44,7 +43,7 @@ MODULE_LICENSE("GPL"); /* * serio_mutex protects entire serio subsystem and is taken every time - * serio port or driver registrered or unregistered. + * serio port or driver registered or unregistered. */ static DEFINE_MUTEX(serio_mutex); @@ -165,58 +164,22 @@ struct serio_event { static DEFINE_SPINLOCK(serio_event_lock); /* protects serio_event_list */ static LIST_HEAD(serio_event_list); -static DECLARE_WAIT_QUEUE_HEAD(serio_wait); -static struct task_struct *serio_task; -static int serio_queue_event(void *object, struct module *owner, - enum serio_event_type event_type) +static struct serio_event *serio_get_event(void) { + struct serio_event *event = NULL; unsigned long flags; - struct serio_event *event; - int retval = 0; spin_lock_irqsave(&serio_event_lock, flags); - /* - * Scan event list for the other events for the same serio port, - * starting with the most recent one. If event is the same we - * do not need add new one. If event is of different type we - * need to add this event and should not look further because - * we need to preseve sequence of distinct events. - */ - list_for_each_entry_reverse(event, &serio_event_list, node) { - if (event->object == object) { - if (event->type == event_type) - goto out; - break; - } - } - - event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC); - if (!event) { - pr_err("Not enough memory to queue event %d\n", event_type); - retval = -ENOMEM; - goto out; - } - - if (!try_module_get(owner)) { - pr_warning("Can't get module reference, dropping event %d\n", - event_type); - kfree(event); - retval = -EINVAL; - goto out; + if (!list_empty(&serio_event_list)) { + event = list_first_entry(&serio_event_list, + struct serio_event, node); + list_del_init(&event->node); } - event->type = event_type; - event->object = object; - event->owner = owner; - - list_add_tail(&event->node, &serio_event_list); - wake_up(&serio_wait); - -out: spin_unlock_irqrestore(&serio_event_lock, flags); - return retval; + return event; } static void serio_free_event(struct serio_event *event) @@ -225,7 +188,8 @@ static void serio_free_event(struct serio_event *event) kfree(event); } -static void serio_remove_duplicate_events(struct serio_event *event) +static void serio_remove_duplicate_events(void *object, + enum serio_event_type type) { struct serio_event *e, *next; unsigned long flags; @@ -233,13 +197,13 @@ static void serio_remove_duplicate_events(struct serio_event *event) spin_lock_irqsave(&serio_event_lock, flags); list_for_each_entry_safe(e, next, &serio_event_list, node) { - if (event->object == e->object) { + if (object == e->object) { /* * If this event is of different type we should not * look further - we only suppress duplicate events * that were sent back-to-back. */ - if (event->type != e->type) + if (type != e->type) break; list_del_init(&e->node); @@ -250,25 +214,7 @@ static void serio_remove_duplicate_events(struct serio_event *event) spin_unlock_irqrestore(&serio_event_lock, flags); } - -static struct serio_event *serio_get_event(void) -{ - struct serio_event *event = NULL; - unsigned long flags; - - spin_lock_irqsave(&serio_event_lock, flags); - - if (!list_empty(&serio_event_list)) { - event = list_first_entry(&serio_event_list, - struct serio_event, node); - list_del_init(&event->node); - } - - spin_unlock_irqrestore(&serio_event_lock, flags); - return event; -} - -static void serio_handle_event(void) +static void serio_handle_event(struct work_struct *work) { struct serio_event *event; @@ -300,13 +246,66 @@ static void serio_handle_event(void) break; } - serio_remove_duplicate_events(event); + serio_remove_duplicate_events(event->object, event->type); serio_free_event(event); } mutex_unlock(&serio_mutex); } +static DECLARE_WORK(serio_event_work, serio_handle_event); + +static int serio_queue_event(void *object, struct module *owner, + enum serio_event_type event_type) +{ + unsigned long flags; + struct serio_event *event; + int retval = 0; + + spin_lock_irqsave(&serio_event_lock, flags); + + /* + * Scan event list for the other events for the same serio port, + * starting with the most recent one. If event is the same we + * do not need add new one. If event is of different type we + * need to add this event and should not look further because + * we need to preseve sequence of distinct events. + */ + list_for_each_entry_reverse(event, &serio_event_list, node) { + if (event->object == object) { + if (event->type == event_type) + goto out; + break; + } + } + + event = kmalloc(sizeof(struct serio_event), GFP_ATOMIC); + if (!event) { + pr_err("Not enough memory to queue event %d\n", event_type); + retval = -ENOMEM; + goto out; + } + + if (!try_module_get(owner)) { + pr_warning("Can't get module reference, dropping event %d\n", + event_type); + kfree(event); + retval = -EINVAL; + goto out; + } + + event->type = event_type; + event->object = object; + event->owner = owner; + + list_add_tail(&event->node, &serio_event_list); + schedule_work(&serio_event_work); + +out: + spin_unlock_irqrestore(&serio_event_lock, flags); + return retval; +} + /* * Remove all events that have been submitted for a given * object, be it serio port or driver. @@ -356,18 +355,6 @@ static struct serio *serio_get_pending_child(struct serio *parent) return child; } -static int serio_thread(void *nothing) -{ - do { - serio_handle_event(); - wait_event_interruptible(serio_wait, - kthread_should_stop() || !list_empty(&serio_event_list)); - } while (!kthread_should_stop()); - - return 0; -} - - /* * Serio port operations */ @@ -450,10 +437,12 @@ static ssize_t serio_rebind_driver(struct device *dev, struct device_attribute * } else if (!strncmp(buf, "rescan", count)) { serio_disconnect_port(serio); serio_find_driver(serio); + serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT); } else if ((drv = driver_find(buf, &serio_bus)) != NULL) { serio_disconnect_port(serio); error = serio_bind_driver(serio, to_serio_driver(drv)); put_driver(drv); + serio_remove_duplicate_events(serio, SERIO_RESCAN_PORT); } else { error = -EINVAL; } @@ -1040,21 +1029,18 @@ static int __init serio_init(void) return error; } - serio_task = kthread_run(serio_thread, NULL, "kseriod"); - if (IS_ERR(serio_task)) { - bus_unregister(&serio_bus); - error = PTR_ERR(serio_task); - pr_err("Failed to start kseriod, error: %d\n", error); - return error; - } - return 0; } static void __exit serio_exit(void) { bus_unregister(&serio_bus); - kthread_stop(serio_task); + + /* + * There should not be any outstanding events but work may + * still be scheduled so simply cancel it. + */ + cancel_work_sync(&serio_event_work); } subsys_initcall(serio_init); diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c index 6e362de3f41..8755f5f3ad3 100644 --- a/drivers/input/serio/serport.c +++ b/drivers/input/serio/serport.c @@ -116,14 +116,15 @@ static void serport_ldisc_close(struct tty_struct *tty) /* * serport_ldisc_receive() is called by the low level tty driver when characters - * are ready for us. We forward the characters, one by one to the 'interrupt' - * routine. + * are ready for us. We forward the characters and flags, one by one to the + * 'interrupt' routine. */ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *cp, char *fp, int count) { struct serport *serport = (struct serport*) tty->disc_data; unsigned long flags; + unsigned int ch_flags; int i; spin_lock_irqsave(&serport->lock, flags); @@ -131,8 +132,23 @@ static void serport_ldisc_receive(struct tty_struct *tty, const unsigned char *c if (!test_bit(SERPORT_ACTIVE, &serport->flags)) goto out; - for (i = 0; i < count; i++) - serio_interrupt(serport->serio, cp[i], 0); + for (i = 0; i < count; i++) { + switch (fp[i]) { + case TTY_FRAME: + ch_flags = SERIO_FRAME; + break; + + case TTY_PARITY: + ch_flags = SERIO_PARITY; + break; + + default: + ch_flags = 0; + break; + } + + serio_interrupt(serport->serio, cp[i], ch_flags); + } out: spin_unlock_irqrestore(&serport->lock, flags); diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c index a29a7812bd4..7729e547ba6 100644 --- a/drivers/input/sparse-keymap.c +++ b/drivers/input/sparse-keymap.c @@ -201,6 +201,7 @@ int sparse_keymap_setup(struct input_dev *dev, break; case KE_SW: + case KE_VSW: __set_bit(EV_SW, dev->evbit); __set_bit(entry->sw.code, dev->swbit); break; diff --git a/drivers/input/tablet/wacom.h b/drivers/input/tablet/wacom.h index de5adb10903..23317bd09c8 100644 --- a/drivers/input/tablet/wacom.h +++ b/drivers/input/tablet/wacom.h @@ -103,6 +103,7 @@ MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE(DRIVER_LICENSE); #define USB_VENDOR_ID_WACOM 0x056a +#define USB_VENDOR_ID_LENOVO 0x17ef struct wacom { dma_addr_t data_dma; diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index fc381498b79..cf8fb9f5d4a 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -519,7 +519,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i /* Retrieve the physical and logical size for OEM devices */ error = wacom_retrieve_hid_descriptor(intf, features); if (error) - goto fail2; + goto fail3; wacom_setup_device_quirks(features); diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index b3252ef1e27..367fa82a607 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -14,6 +14,7 @@ #include "wacom_wac.h" #include "wacom.h" +#include <linux/input/mt.h> static int wacom_penpartner_irq(struct wacom_wac *wacom) { @@ -862,19 +863,21 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) struct wacom_features *features = &wacom->features; struct input_dev *input = wacom->input; unsigned char *data = wacom->data; - int sp = 0, sx = 0, sy = 0, count = 0; int i; for (i = 0; i < 2; i++) { int p = data[9 * i + 2]; + bool touch = p && !wacom->shared->stylus_in_proximity; + input_mt_slot(input, i); + input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); /* * Touch events need to be disabled while stylus is * in proximity because user's hand is resting on touchpad * and sending unwanted events. User expects tablet buttons * to continue working though. */ - if (p && !wacom->shared->stylus_in_proximity) { + if (touch) { int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff; int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff; if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) { @@ -884,23 +887,10 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) input_report_abs(input, ABS_MT_PRESSURE, p); input_report_abs(input, ABS_MT_POSITION_X, x); input_report_abs(input, ABS_MT_POSITION_Y, y); - if (wacom->id[i] < 0) - wacom->id[i] = wacom->trk_id++ & MAX_TRACKING_ID; - if (!count++) - sp = p, sx = x, sy = y; - } else { - wacom->id[i] = -1; } - input_report_abs(input, ABS_MT_TRACKING_ID, wacom->id[i]); } - input_report_key(input, BTN_TOUCH, count > 0); - input_report_key(input, BTN_TOOL_FINGER, count == 1); - input_report_key(input, BTN_TOOL_DOUBLETAP, count == 2); - - input_report_abs(input, ABS_PRESSURE, sp); - input_report_abs(input, ABS_X, sx); - input_report_abs(input, ABS_Y, sy); + input_mt_report_pointer_emulation(input, true); input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0); input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0); @@ -1111,6 +1101,13 @@ void wacom_setup_device_quirks(struct wacom_features *features) } } +static unsigned int wacom_calculate_touch_res(unsigned int logical_max, + unsigned int physical_max) +{ + /* Touch physical dimensions are in 100th of mm */ + return (logical_max * 100) / physical_max; +} + void wacom_setup_input_capabilities(struct input_dev *input_dev, struct wacom_wac *wacom_wac) { @@ -1238,8 +1235,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, case TABLETPC: if (features->device_type == BTN_TOOL_DOUBLETAP || features->device_type == BTN_TOOL_TRIPLETAP) { - input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0); - input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0); + input_abs_set_res(input_dev, ABS_X, + wacom_calculate_touch_res(features->x_max, + features->x_phy)); + input_abs_set_res(input_dev, ABS_Y, + wacom_calculate_touch_res(features->y_max, + features->y_phy)); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); } @@ -1272,7 +1273,7 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOOL_FINGER, input_dev->keybit); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); - input_mt_create_slots(input_dev, 2); + input_mt_init_slots(input_dev, 2); input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, features->x_max, features->x_fuzz, 0); @@ -1282,8 +1283,12 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, features->pressure_max, features->pressure_fuzz, 0); - input_set_abs_params(input_dev, ABS_MT_TRACKING_ID, 0, - MAX_TRACKING_ID, 0, 0); + input_abs_set_res(input_dev, ABS_X, + wacom_calculate_touch_res(features->x_max, + features->x_phy)); + input_abs_set_res(input_dev, ABS_Y, + wacom_calculate_touch_res(features->y_max, + features->y_phy)); } else if (features->device_type == BTN_TOOL_PEN) { __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); __set_bit(BTN_TOOL_PEN, input_dev->keybit); @@ -1436,11 +1441,29 @@ static struct wacom_features wacom_features_0xD2 = { "Wacom Bamboo Craft", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; static struct wacom_features wacom_features_0xD3 = { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; +static const struct wacom_features wacom_features_0xD4 = + { "Wacom Bamboo Pen", WACOM_PKGLEN_BBFUN, 14720, 9200, 255, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD6 = + { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD7 = + { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xD8 = + { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xDA = + { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN, 14720, 9200, 1023, 63, BAMBOO_PT }; +static struct wacom_features wacom_features_0xDB = + { "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN, 21648, 13530, 1023, 63, BAMBOO_PT }; +static const struct wacom_features wacom_features_0x6004 = + { "ISD-V4", WACOM_PKGLEN_GRAPHIRE, 12800, 8000, 255, 0, TABLETPC }; #define USB_DEVICE_WACOM(prod) \ USB_DEVICE(USB_VENDOR_ID_WACOM, prod), \ .driver_info = (kernel_ulong_t)&wacom_features_##prod +#define USB_DEVICE_LENOVO(prod) \ + USB_DEVICE(USB_VENDOR_ID_LENOVO, prod), \ + .driver_info = (kernel_ulong_t)&wacom_features_##prod + const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0x00) }, { USB_DEVICE_WACOM(0x10) }, @@ -1504,6 +1527,12 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xD1) }, { USB_DEVICE_WACOM(0xD2) }, { USB_DEVICE_WACOM(0xD3) }, + { USB_DEVICE_WACOM(0xD4) }, + { USB_DEVICE_WACOM(0xD6) }, + { USB_DEVICE_WACOM(0xD7) }, + { USB_DEVICE_WACOM(0xD8) }, + { USB_DEVICE_WACOM(0xDA) }, + { USB_DEVICE_WACOM(0xDB) }, { USB_DEVICE_WACOM(0xF0) }, { USB_DEVICE_WACOM(0xCC) }, { USB_DEVICE_WACOM(0x90) }, @@ -1513,6 +1542,7 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xE2) }, { USB_DEVICE_WACOM(0xE3) }, { USB_DEVICE_WACOM(0x47) }, + { USB_DEVICE_LENOVO(0x6004) }, { } }; MODULE_DEVICE_TABLE(usb, wacom_ids); diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h index 00ca01541d8..b1310ec9720 100644 --- a/drivers/input/tablet/wacom_wac.h +++ b/drivers/input/tablet/wacom_wac.h @@ -42,9 +42,6 @@ #define WACOM_QUIRK_MULTI_INPUT 0x0001 #define WACOM_QUIRK_BBTOUCH_LOWRES 0x0002 -/* largest reported tracking id */ -#define MAX_TRACKING_ID 0xfff - enum { PENPARTNER = 0, GRAPHIRE, @@ -100,7 +97,6 @@ struct wacom_wac { int id[3]; __u32 serial[2]; int last_finger; - int trk_id; struct wacom_features features; struct wacom_shared *shared; struct input_dev *input; diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 06ea8da95c6..61834ae282e 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -540,62 +540,62 @@ config TOUCHSCREEN_MC13783 config TOUCHSCREEN_USB_EGALAX default y - bool "eGalax, eTurboTouch CT-410/510/700 device support" if EMBEDDED + bool "eGalax, eTurboTouch CT-410/510/700 device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_PANJIT default y - bool "PanJit device support" if EMBEDDED + bool "PanJit device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_3M default y - bool "3M/Microtouch EX II series device support" if EMBEDDED + bool "3M/Microtouch EX II series device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_ITM default y - bool "ITM device support" if EMBEDDED + bool "ITM device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_ETURBO default y - bool "eTurboTouch (non-eGalax compatible) device support" if EMBEDDED + bool "eTurboTouch (non-eGalax compatible) device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_GUNZE default y - bool "Gunze AHL61 device support" if EMBEDDED + bool "Gunze AHL61 device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_DMC_TSC10 default y - bool "DMC TSC-10/25 device support" if EMBEDDED + bool "DMC TSC-10/25 device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_IRTOUCH default y - bool "IRTOUCHSYSTEMS/UNITOP device support" if EMBEDDED + bool "IRTOUCHSYSTEMS/UNITOP device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_IDEALTEK default y - bool "IdealTEK URTC1000 device support" if EMBEDDED + bool "IdealTEK URTC1000 device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_GENERAL_TOUCH default y - bool "GeneralTouch Touchscreen device support" if EMBEDDED + bool "GeneralTouch Touchscreen device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_GOTOP default y - bool "GoTop Super_Q2/GogoPen/PenPower tablet device support" if EMBEDDED + bool "GoTop Super_Q2/GogoPen/PenPower tablet device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_JASTEC default y - bool "JASTEC/DigiTech DTR-02U USB touch controller device support" if EMBEDDED + bool "JASTEC/DigiTech DTR-02U USB touch controller device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_E2I @@ -605,17 +605,17 @@ config TOUCHSCREEN_USB_E2I config TOUCHSCREEN_USB_ZYTRONIC default y - bool "Zytronic controller" if EMBEDDED + bool "Zytronic controller" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_ETT_TC45USB default y - bool "ET&T USB series TC4UM/TC5UH touchscreen controler support" if EMBEDDED + bool "ET&T USB series TC4UM/TC5UH touchscreen controller support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_USB_NEXIO default y - bool "NEXIO/iNexio device support" if EMBEDDED + bool "NEXIO/iNexio device support" if EXPERT depends on TOUCHSCREEN_USB_COMPOSITE config TOUCHSCREEN_TOUCHIT213 @@ -659,17 +659,17 @@ config TOUCHSCREEN_PCAP To compile this driver as a module, choose M here: the module will be called pcap_ts. -config TOUCHSCREEN_TPS6507X - tristate "TPS6507x based touchscreens" +config TOUCHSCREEN_ST1232 + tristate "Sitronix ST1232 touchscreen controllers" depends on I2C help - Say Y here if you have a TPS6507x based touchscreen - controller. + Say Y here if you want to support Sitronix ST1232 + touchscreen controller. If unsure, say N. To compile this driver as a module, choose M here: the - module will be called tps6507x_ts. + module will be called st1232_ts. config TOUCHSCREEN_STMPE tristate "STMicroelectronics STMPE touchscreens" @@ -681,4 +681,16 @@ config TOUCHSCREEN_STMPE To compile this driver as a module, choose M here: the module will be called stmpe-ts. +config TOUCHSCREEN_TPS6507X + tristate "TPS6507x based touchscreens" + depends on I2C + help + Say Y here if you have a TPS6507x based touchscreen + controller. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called tps6507x_ts. + endif diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index 7cc1b4f4b67..718bcc81495 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -39,6 +39,7 @@ obj-$(CONFIG_TOUCHSCREEN_PCAP) += pcap_ts.o obj-$(CONFIG_TOUCHSCREEN_PENMOUNT) += penmount.o obj-$(CONFIG_TOUCHSCREEN_QT602240) += qt602240_ts.o obj-$(CONFIG_TOUCHSCREEN_S3C2410) += s3c2410_ts.o +obj-$(CONFIG_TOUCHSCREEN_ST1232) += st1232.o obj-$(CONFIG_TOUCHSCREEN_STMPE) += stmpe-ts.o obj-$(CONFIG_TOUCHSCREEN_TNETV107X) += tnetv107x-ts.o obj-$(CONFIG_TOUCHSCREEN_TOUCHIT213) += touchit213.o diff --git a/drivers/input/touchscreen/ad7879-i2c.c b/drivers/input/touchscreen/ad7879-i2c.c index d82a38ee9a3..4e4e58cec6c 100644 --- a/drivers/input/touchscreen/ad7879-i2c.c +++ b/drivers/input/touchscreen/ad7879-i2c.c @@ -10,14 +10,16 @@ #include <linux/i2c.h> #include <linux/module.h> #include <linux/types.h> +#include <linux/pm.h> #include "ad7879.h" #define AD7879_DEVID 0x79 /* AD7879-1/AD7889-1 */ #ifdef CONFIG_PM -static int ad7879_i2c_suspend(struct i2c_client *client, pm_message_t message) +static int ad7879_i2c_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct ad7879 *ts = i2c_get_clientdata(client); ad7879_suspend(ts); @@ -25,17 +27,17 @@ static int ad7879_i2c_suspend(struct i2c_client *client, pm_message_t message) return 0; } -static int ad7879_i2c_resume(struct i2c_client *client) +static int ad7879_i2c_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct ad7879 *ts = i2c_get_clientdata(client); ad7879_resume(ts); return 0; } -#else -# define ad7879_i2c_suspend NULL -# define ad7879_i2c_resume NULL + +static SIMPLE_DEV_PM_OPS(ad7879_i2c_pm, ad7879_i2c_suspend, ad7879_i2c_resume); #endif /* All registers are word-sized. @@ -117,11 +119,12 @@ static struct i2c_driver ad7879_i2c_driver = { .driver = { .name = "ad7879", .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &ad7879_i2c_pm, +#endif }, .probe = ad7879_i2c_probe, .remove = __devexit_p(ad7879_i2c_remove), - .suspend = ad7879_i2c_suspend, - .resume = ad7879_i2c_resume, .id_table = ad7879_id, }; diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index 14ea54b78e4..4bf2316e328 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -941,28 +941,29 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 struct ads7846_platform_data *pdata = spi->dev.platform_data; int err; - /* REVISIT when the irq can be triggered active-low, or if for some + /* + * REVISIT when the irq can be triggered active-low, or if for some * reason the touchscreen isn't hooked up, we don't need to access * the pendown state. */ - if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) { - dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); - return -EINVAL; - } if (pdata->get_pendown_state) { ts->get_pendown_state = pdata->get_pendown_state; - return 0; - } + } else if (gpio_is_valid(pdata->gpio_pendown)) { - err = gpio_request(pdata->gpio_pendown, "ads7846_pendown"); - if (err) { - dev_err(&spi->dev, "failed to request pendown GPIO%d\n", - pdata->gpio_pendown); - return err; - } + err = gpio_request(pdata->gpio_pendown, "ads7846_pendown"); + if (err) { + dev_err(&spi->dev, "failed to request pendown GPIO%d\n", + pdata->gpio_pendown); + return err; + } - ts->gpio_pendown = pdata->gpio_pendown; + ts->gpio_pendown = pdata->gpio_pendown; + + } else { + dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); + return -EINVAL; + } return 0; } @@ -1353,7 +1354,7 @@ static int __devinit ads7846_probe(struct spi_device *spi) err_put_regulator: regulator_put(ts->reg); err_free_gpio: - if (ts->gpio_pendown != -1) + if (!ts->get_pendown_state) gpio_free(ts->gpio_pendown); err_cleanup_filter: if (ts->filter_cleanup) @@ -1383,8 +1384,13 @@ static int __devexit ads7846_remove(struct spi_device *spi) regulator_disable(ts->reg); regulator_put(ts->reg); - if (ts->gpio_pendown != -1) + if (!ts->get_pendown_state) { + /* + * If we are not using specialized pendown method we must + * have been relying on gpio we set up ourselves. + */ gpio_free(ts->gpio_pendown); + } if (ts->filter_cleanup) ts->filter_cleanup(ts->filter_data); diff --git a/drivers/input/touchscreen/bu21013_ts.c b/drivers/input/touchscreen/bu21013_ts.c index 2ca9e5d6646..1507ce108d5 100644 --- a/drivers/input/touchscreen/bu21013_ts.c +++ b/drivers/input/touchscreen/bu21013_ts.c @@ -12,6 +12,7 @@ #include <linux/input.h> #include <linux/input/bu21013.h> #include <linux/slab.h> +#include <linux/regulator/consumer.h> #define PEN_DOWN_INTR 0 #define MAX_FINGERS 2 @@ -139,6 +140,7 @@ * @chip: pointer to the touch panel controller * @in_dev: pointer to the input device structure * @intr_pin: interrupt pin value + * @regulator: pointer to the Regulator used for touch screen * * Touch panel device data structure */ @@ -149,6 +151,7 @@ struct bu21013_ts_data { const struct bu21013_platform_device *chip; struct input_dev *in_dev; unsigned int intr_pin; + struct regulator *regulator; }; /** @@ -365,7 +368,7 @@ static int bu21013_init_chip(struct bu21013_ts_data *data) } retval = i2c_smbus_write_byte_data(i2c, BU21013_TH_OFF_REG, - BU21013_TH_OFF_4 || BU21013_TH_OFF_3); + BU21013_TH_OFF_4 | BU21013_TH_OFF_3); if (retval < 0) { dev_err(&i2c->dev, "BU21013_TH_OFF reg write failed\n"); return retval; @@ -456,6 +459,20 @@ static int __devinit bu21013_probe(struct i2c_client *client, bu21013_data->in_dev = in_dev; bu21013_data->chip = pdata; bu21013_data->client = client; + + bu21013_data->regulator = regulator_get(&client->dev, "V-TOUCH"); + if (IS_ERR(bu21013_data->regulator)) { + dev_err(&client->dev, "regulator_get failed\n"); + error = PTR_ERR(bu21013_data->regulator); + goto err_free_mem; + } + + error = regulator_enable(bu21013_data->regulator); + if (error < 0) { + dev_err(&client->dev, "regulator enable failed\n"); + goto err_put_regulator; + } + bu21013_data->touch_stopped = false; init_waitqueue_head(&bu21013_data->wait); @@ -464,7 +481,7 @@ static int __devinit bu21013_probe(struct i2c_client *client, error = pdata->cs_en(pdata->cs_pin); if (error < 0) { dev_err(&client->dev, "chip init failed\n"); - goto err_free_mem; + goto err_disable_regulator; } } @@ -485,9 +502,9 @@ static int __devinit bu21013_probe(struct i2c_client *client, __set_bit(EV_ABS, in_dev->evbit); input_set_abs_params(in_dev, ABS_MT_POSITION_X, 0, - pdata->x_max_res, 0, 0); + pdata->touch_x_max, 0, 0); input_set_abs_params(in_dev, ABS_MT_POSITION_Y, 0, - pdata->y_max_res, 0, 0); + pdata->touch_y_max, 0, 0); input_set_drvdata(in_dev, bu21013_data); error = request_threaded_irq(pdata->irq, NULL, bu21013_gpio_irq, @@ -513,6 +530,10 @@ err_free_irq: bu21013_free_irq(bu21013_data); err_cs_disable: pdata->cs_dis(pdata->cs_pin); +err_disable_regulator: + regulator_disable(bu21013_data->regulator); +err_put_regulator: + regulator_put(bu21013_data->regulator); err_free_mem: input_free_device(in_dev); kfree(bu21013_data); @@ -535,6 +556,10 @@ static int __devexit bu21013_remove(struct i2c_client *client) bu21013_data->chip->cs_dis(bu21013_data->chip->cs_pin); input_unregister_device(bu21013_data->in_dev); + + regulator_disable(bu21013_data->regulator); + regulator_put(bu21013_data->regulator); + kfree(bu21013_data); device_init_wakeup(&client->dev, false); @@ -561,6 +586,8 @@ static int bu21013_suspend(struct device *dev) else disable_irq(bu21013_data->chip->irq); + regulator_disable(bu21013_data->regulator); + return 0; } @@ -577,6 +604,12 @@ static int bu21013_resume(struct device *dev) struct i2c_client *client = bu21013_data->client; int retval; + retval = regulator_enable(bu21013_data->regulator); + if (retval < 0) { + dev_err(&client->dev, "bu21013 regulator enable failed\n"); + return retval; + } + retval = bu21013_init_chip(bu21013_data); if (retval < 0) { dev_err(&client->dev, "bu21013 controller config failed\n"); diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c index d0c3a7229ad..a93c5c26ab3 100644 --- a/drivers/input/touchscreen/cy8ctmg110_ts.c +++ b/drivers/input/touchscreen/cy8ctmg110_ts.c @@ -280,8 +280,9 @@ err_free_mem: } #ifdef CONFIG_PM -static int cy8ctmg110_suspend(struct i2c_client *client, pm_message_t mesg) +static int cy8ctmg110_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct cy8ctmg110 *ts = i2c_get_clientdata(client); if (device_may_wakeup(&client->dev)) @@ -293,8 +294,9 @@ static int cy8ctmg110_suspend(struct i2c_client *client, pm_message_t mesg) return 0; } -static int cy8ctmg110_resume(struct i2c_client *client) +static int cy8ctmg110_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct cy8ctmg110 *ts = i2c_get_clientdata(client); if (device_may_wakeup(&client->dev)) @@ -305,6 +307,8 @@ static int cy8ctmg110_resume(struct i2c_client *client) } return 0; } + +static SIMPLE_DEV_PM_OPS(cy8ctmg110_pm, cy8ctmg110_suspend, cy8ctmg110_resume); #endif static int __devexit cy8ctmg110_remove(struct i2c_client *client) @@ -335,14 +339,13 @@ static struct i2c_driver cy8ctmg110_driver = { .driver = { .owner = THIS_MODULE, .name = CY8CTMG110_DRIVER_NAME, +#ifdef CONFIG_PM + .pm = &cy8ctmg110_pm, +#endif }, .id_table = cy8ctmg110_idtable, .probe = cy8ctmg110_probe, .remove = __devexit_p(cy8ctmg110_remove), -#ifdef CONFIG_PM - .suspend = cy8ctmg110_suspend, - .resume = cy8ctmg110_resume, -#endif }; static int __init cy8ctmg110_init(void) diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c index 7a3a916f84a..7f8f538a980 100644 --- a/drivers/input/touchscreen/eeti_ts.c +++ b/drivers/input/touchscreen/eeti_ts.c @@ -261,8 +261,9 @@ static int __devexit eeti_ts_remove(struct i2c_client *client) } #ifdef CONFIG_PM -static int eeti_ts_suspend(struct i2c_client *client, pm_message_t mesg) +static int eeti_ts_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct eeti_ts_priv *priv = i2c_get_clientdata(client); struct input_dev *input_dev = priv->input; @@ -279,8 +280,9 @@ static int eeti_ts_suspend(struct i2c_client *client, pm_message_t mesg) return 0; } -static int eeti_ts_resume(struct i2c_client *client) +static int eeti_ts_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct eeti_ts_priv *priv = i2c_get_clientdata(client); struct input_dev *input_dev = priv->input; @@ -296,9 +298,8 @@ static int eeti_ts_resume(struct i2c_client *client) return 0; } -#else -#define eeti_ts_suspend NULL -#define eeti_ts_resume NULL + +static SIMPLE_DEV_PM_OPS(eeti_ts_pm, eeti_ts_suspend, eeti_ts_resume); #endif static const struct i2c_device_id eeti_ts_id[] = { @@ -310,11 +311,12 @@ MODULE_DEVICE_TABLE(i2c, eeti_ts_id); static struct i2c_driver eeti_ts_driver = { .driver = { .name = "eeti_ts", +#ifdef CONFIG_PM + .pm = &eeti_ts_pm, +#endif }, .probe = eeti_ts_probe, .remove = __devexit_p(eeti_ts_remove), - .suspend = eeti_ts_suspend, - .resume = eeti_ts_resume, .id_table = eeti_ts_id, }; diff --git a/drivers/input/touchscreen/mcs5000_ts.c b/drivers/input/touchscreen/mcs5000_ts.c index 6ee9940aaf5..2d84c80ceb6 100644 --- a/drivers/input/touchscreen/mcs5000_ts.c +++ b/drivers/input/touchscreen/mcs5000_ts.c @@ -261,25 +261,27 @@ static int __devexit mcs5000_ts_remove(struct i2c_client *client) } #ifdef CONFIG_PM -static int mcs5000_ts_suspend(struct i2c_client *client, pm_message_t mesg) +static int mcs5000_ts_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); + /* Touch sleep mode */ i2c_smbus_write_byte_data(client, MCS5000_TS_OP_MODE, OP_MODE_SLEEP); return 0; } -static int mcs5000_ts_resume(struct i2c_client *client) +static int mcs5000_ts_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct mcs5000_ts_data *data = i2c_get_clientdata(client); mcs5000_ts_phys_init(data); return 0; } -#else -#define mcs5000_ts_suspend NULL -#define mcs5000_ts_resume NULL + +static SIMPLE_DEV_PM_OPS(mcs5000_ts_pm, mcs5000_ts_suspend, mcs5000_ts_resume); #endif static const struct i2c_device_id mcs5000_ts_id[] = { @@ -291,10 +293,11 @@ MODULE_DEVICE_TABLE(i2c, mcs5000_ts_id); static struct i2c_driver mcs5000_ts_driver = { .probe = mcs5000_ts_probe, .remove = __devexit_p(mcs5000_ts_remove), - .suspend = mcs5000_ts_suspend, - .resume = mcs5000_ts_resume, .driver = { .name = "mcs5000_ts", +#ifdef CONFIG_PM + .pm = &mcs5000_ts_pm, +#endif }, .id_table = mcs5000_ts_id, }; diff --git a/drivers/input/touchscreen/migor_ts.c b/drivers/input/touchscreen/migor_ts.c index defe5dd3627..5803bd0c1cc 100644 --- a/drivers/input/touchscreen/migor_ts.c +++ b/drivers/input/touchscreen/migor_ts.c @@ -23,6 +23,7 @@ #include <linux/kernel.h> #include <linux/input.h> #include <linux/interrupt.h> +#include <linux/pm.h> #include <linux/slab.h> #include <asm/io.h> #include <linux/i2c.h> @@ -226,8 +227,9 @@ static int migor_ts_remove(struct i2c_client *client) return 0; } -static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg) +static int migor_ts_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct migor_ts_priv *priv = dev_get_drvdata(&client->dev); if (device_may_wakeup(&client->dev)) @@ -236,8 +238,9 @@ static int migor_ts_suspend(struct i2c_client *client, pm_message_t mesg) return 0; } -static int migor_ts_resume(struct i2c_client *client) +static int migor_ts_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct migor_ts_priv *priv = dev_get_drvdata(&client->dev); if (device_may_wakeup(&client->dev)) @@ -246,6 +249,8 @@ static int migor_ts_resume(struct i2c_client *client) return 0; } +static SIMPLE_DEV_PM_OPS(migor_ts_pm, migor_ts_suspend, migor_ts_resume); + static const struct i2c_device_id migor_ts_id[] = { { "migor_ts", 0 }, { } @@ -255,11 +260,10 @@ MODULE_DEVICE_TABLE(i2c, migor_ts); static struct i2c_driver migor_ts_driver = { .driver = { .name = "migor_ts", + .pm = &migor_ts_pm, }, .probe = migor_ts_probe, .remove = migor_ts_remove, - .suspend = migor_ts_suspend, - .resume = migor_ts_resume, .id_table = migor_ts_id, }; diff --git a/drivers/input/touchscreen/qt602240_ts.c b/drivers/input/touchscreen/qt602240_ts.c index 66b26ad3032..4dcb0e872f6 100644 --- a/drivers/input/touchscreen/qt602240_ts.c +++ b/drivers/input/touchscreen/qt602240_ts.c @@ -969,7 +969,7 @@ static int qt602240_initialize(struct qt602240_data *data) return error; data->object_table = kcalloc(info->object_num, - sizeof(struct qt602240_data), + sizeof(struct qt602240_object), GFP_KERNEL); if (!data->object_table) { dev_err(&client->dev, "Failed to allocate memory\n"); @@ -1324,8 +1324,9 @@ static int __devexit qt602240_remove(struct i2c_client *client) } #ifdef CONFIG_PM -static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg) +static int qt602240_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct qt602240_data *data = i2c_get_clientdata(client); struct input_dev *input_dev = data->input_dev; @@ -1339,8 +1340,9 @@ static int qt602240_suspend(struct i2c_client *client, pm_message_t mesg) return 0; } -static int qt602240_resume(struct i2c_client *client) +static int qt602240_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct qt602240_data *data = i2c_get_clientdata(client); struct input_dev *input_dev = data->input_dev; @@ -1359,9 +1361,11 @@ static int qt602240_resume(struct i2c_client *client) return 0; } -#else -#define qt602240_suspend NULL -#define qt602240_resume NULL + +static const struct dev_pm_ops qt602240_pm_ops = { + .suspend = qt602240_suspend, + .resume = qt602240_resume, +}; #endif static const struct i2c_device_id qt602240_id[] = { @@ -1374,11 +1378,12 @@ static struct i2c_driver qt602240_driver = { .driver = { .name = "qt602240_ts", .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &qt602240_pm_ops, +#endif }, .probe = qt602240_probe, .remove = __devexit_p(qt602240_remove), - .suspend = qt602240_suspend, - .resume = qt602240_resume, .id_table = qt602240_id, }; diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c new file mode 100644 index 00000000000..4ab371358b3 --- /dev/null +++ b/drivers/input/touchscreen/st1232.c @@ -0,0 +1,274 @@ +/* + * ST1232 Touchscreen Controller Driver + * + * Copyright (C) 2010 Renesas Solutions Corp. + * Tony SIM <chinyeow.sim.xt@renesas.com> + * + * Using code from: + * - android.git.kernel.org: projects/kernel/common.git: synaptics_i2c_rmi.c + * Copyright (C) 2007 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/types.h> + +#define ST1232_TS_NAME "st1232-ts" + +#define MIN_X 0x00 +#define MIN_Y 0x00 +#define MAX_X 0x31f /* (800 - 1) */ +#define MAX_Y 0x1df /* (480 - 1) */ +#define MAX_AREA 0xff +#define MAX_FINGERS 2 + +struct st1232_ts_finger { + u16 x; + u16 y; + u8 t; + bool is_valid; +}; + +struct st1232_ts_data { + struct i2c_client *client; + struct input_dev *input_dev; + struct st1232_ts_finger finger[MAX_FINGERS]; +}; + +static int st1232_ts_read_data(struct st1232_ts_data *ts) +{ + struct st1232_ts_finger *finger = ts->finger; + struct i2c_client *client = ts->client; + struct i2c_msg msg[2]; + int error; + u8 start_reg; + u8 buf[10]; + + /* read touchscreen data from ST1232 */ + msg[0].addr = client->addr; + msg[0].flags = 0; + msg[0].len = 1; + msg[0].buf = &start_reg; + start_reg = 0x10; + + msg[1].addr = ts->client->addr; + msg[1].flags = I2C_M_RD; + msg[1].len = sizeof(buf); + msg[1].buf = buf; + + error = i2c_transfer(client->adapter, msg, 2); + if (error < 0) + return error; + + /* get "valid" bits */ + finger[0].is_valid = buf[2] >> 7; + finger[1].is_valid = buf[5] >> 7; + + /* get xy coordinate */ + if (finger[0].is_valid) { + finger[0].x = ((buf[2] & 0x0070) << 4) | buf[3]; + finger[0].y = ((buf[2] & 0x0007) << 8) | buf[4]; + finger[0].t = buf[8]; + } + + if (finger[1].is_valid) { + finger[1].x = ((buf[5] & 0x0070) << 4) | buf[6]; + finger[1].y = ((buf[5] & 0x0007) << 8) | buf[7]; + finger[1].t = buf[9]; + } + + return 0; +} + +static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id) +{ + struct st1232_ts_data *ts = dev_id; + struct st1232_ts_finger *finger = ts->finger; + struct input_dev *input_dev = ts->input_dev; + int count = 0; + int i, ret; + + ret = st1232_ts_read_data(ts); + if (ret < 0) + goto end; + + /* multi touch protocol */ + for (i = 0; i < MAX_FINGERS; i++) { + if (!finger[i].is_valid) + continue; + + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, finger[i].t); + input_report_abs(input_dev, ABS_MT_POSITION_X, finger[i].x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, finger[i].y); + input_mt_sync(input_dev); + count++; + } + + /* SYN_MT_REPORT only if no contact */ + if (!count) + input_mt_sync(input_dev); + + /* SYN_REPORT */ + input_sync(input_dev); + +end: + return IRQ_HANDLED; +} + +static int __devinit st1232_ts_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct st1232_ts_data *ts; + struct input_dev *input_dev; + int error; + + if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { + dev_err(&client->dev, "need I2C_FUNC_I2C\n"); + return -EIO; + } + + if (!client->irq) { + dev_err(&client->dev, "no IRQ?\n"); + return -EINVAL; + } + + + ts = kzalloc(sizeof(struct st1232_ts_data), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!ts || !input_dev) { + error = -ENOMEM; + goto err_free_mem; + } + + ts->client = client; + ts->input_dev = input_dev; + + input_dev->name = "st1232-touchscreen"; + input_dev->id.bustype = BUS_I2C; + input_dev->dev.parent = &client->dev; + + __set_bit(EV_SYN, input_dev->evbit); + __set_bit(EV_KEY, input_dev->evbit); + __set_bit(EV_ABS, input_dev->evbit); + + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MAX_AREA, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_X, MIN_X, MAX_X, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, MIN_Y, MAX_Y, 0, 0); + + error = request_threaded_irq(client->irq, NULL, st1232_ts_irq_handler, + IRQF_ONESHOT, client->name, ts); + if (error) { + dev_err(&client->dev, "Failed to register interrupt\n"); + goto err_free_mem; + } + + error = input_register_device(ts->input_dev); + if (error) { + dev_err(&client->dev, "Unable to register %s input device\n", + input_dev->name); + goto err_free_irq; + } + + i2c_set_clientdata(client, ts); + device_init_wakeup(&client->dev, 1); + + return 0; + +err_free_irq: + free_irq(client->irq, ts); +err_free_mem: + input_free_device(input_dev); + kfree(ts); + return error; +} + +static int __devexit st1232_ts_remove(struct i2c_client *client) +{ + struct st1232_ts_data *ts = i2c_get_clientdata(client); + + device_init_wakeup(&client->dev, 0); + free_irq(client->irq, ts); + input_unregister_device(ts->input_dev); + kfree(ts); + + return 0; +} + +#ifdef CONFIG_PM +static int st1232_ts_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (device_may_wakeup(&client->dev)) + enable_irq_wake(client->irq); + else + disable_irq(client->irq); + + return 0; +} + +static int st1232_ts_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (device_may_wakeup(&client->dev)) + disable_irq_wake(client->irq); + else + enable_irq(client->irq); + + return 0; +} + +static const struct dev_pm_ops st1232_ts_pm_ops = { + .suspend = st1232_ts_suspend, + .resume = st1232_ts_resume, +}; +#endif + +static const struct i2c_device_id st1232_ts_id[] = { + { ST1232_TS_NAME, 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, st1232_ts_id); + +static struct i2c_driver st1232_ts_driver = { + .probe = st1232_ts_probe, + .remove = __devexit_p(st1232_ts_remove), + .id_table = st1232_ts_id, + .driver = { + .name = ST1232_TS_NAME, + .owner = THIS_MODULE, +#ifdef CONFIG_PM + .pm = &st1232_ts_pm_ops, +#endif + }, +}; + +static int __init st1232_ts_init(void) +{ + return i2c_add_driver(&st1232_ts_driver); +} +module_init(st1232_ts_init); + +static void __exit st1232_ts_exit(void) +{ + i2c_del_driver(&st1232_ts_driver); +} +module_exit(st1232_ts_exit); + +MODULE_AUTHOR("Tony SIM <chinyeow.sim.xt@renesas.com>"); +MODULE_DESCRIPTION("SITRONIX ST1232 Touchscreen Controller Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c index cf1dba2e267..22a3411e93c 100644 --- a/drivers/input/touchscreen/tnetv107x-ts.c +++ b/drivers/input/touchscreen/tnetv107x-ts.c @@ -14,6 +14,7 @@ */ #include <linux/kernel.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/input.h> #include <linux/platform_device.h> @@ -289,9 +290,9 @@ static int __devinit tsc_probe(struct platform_device *pdev) } ts->clk = clk_get(dev, NULL); - if (!ts->clk) { + if (IS_ERR(ts->clk)) { dev_err(dev, "cannot claim device clock\n"); - error = -EINVAL; + error = PTR_ERR(ts->clk); goto error_clk; } diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index f45f80f6d33..73fd6642b68 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -178,6 +178,7 @@ static const struct usb_device_id usbtouch_devices[] = { #ifdef CONFIG_TOUCHSCREEN_USB_ITM {USB_DEVICE(0x0403, 0xf9e9), .driver_info = DEVTYPE_ITM}, + {USB_DEVICE(0x16e3, 0xf9e9), .driver_info = DEVTYPE_ITM}, #endif #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c index 9ae4c7b16ba..c14412ef464 100644 --- a/drivers/input/touchscreen/wacom_w8001.c +++ b/drivers/input/touchscreen/wacom_w8001.c @@ -3,6 +3,7 @@ * * Copyright (c) 2008 Jaya Kumar * Copyright (c) 2010 Red Hat, Inc. + * Copyright (c) 2010 - 2011 Ping Cheng, Wacom. <pingc@wacom.com> * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for @@ -15,10 +16,11 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> -#include <linux/input.h> +#include <linux/input/mt.h> #include <linux/serio.h> #include <linux/init.h> #include <linux/ctype.h> +#include <linux/delay.h> #define DRIVER_DESC "Wacom W8001 serial touchscreen driver" @@ -37,6 +39,7 @@ MODULE_LICENSE("GPL"); #define W8001_QUERY_PACKET 0x20 +#define W8001_CMD_STOP '0' #define W8001_CMD_START '1' #define W8001_CMD_QUERY '*' #define W8001_CMD_TOUCHQUERY '%' @@ -48,7 +51,9 @@ MODULE_LICENSE("GPL"); #define W8001_PKTLEN_TPCCTL 11 /* control packet */ #define W8001_PKTLEN_TOUCH2FG 13 -#define MAX_TRACKING_ID 0xFF /* arbitrarily chosen */ +/* resolution in points/mm */ +#define W8001_PEN_RESOLUTION 100 +#define W8001_TOUCH_RESOLUTION 10 struct w8001_coord { u8 rdy; @@ -64,11 +69,11 @@ struct w8001_coord { /* touch query reply packet */ struct w8001_touch_query { + u16 x; + u16 y; u8 panel_res; u8 capacity_res; u8 sensor_id; - u16 x; - u16 y; }; /* @@ -87,10 +92,14 @@ struct w8001 { char phys[32]; int type; unsigned int pktlen; - int trkid[2]; + u16 max_touch_x; + u16 max_touch_y; + u16 max_pen_x; + u16 max_pen_y; + char name[64]; }; -static void parse_data(u8 *data, struct w8001_coord *coord) +static void parse_pen_data(u8 *data, struct w8001_coord *coord) { memset(coord, 0, sizeof(*coord)); @@ -114,30 +123,58 @@ static void parse_data(u8 *data, struct w8001_coord *coord) coord->tilt_y = data[8] & 0x7F; } -static void parse_touch(struct w8001 *w8001) +static void parse_single_touch(u8 *data, struct w8001_coord *coord) +{ + coord->x = (data[1] << 7) | data[2]; + coord->y = (data[3] << 7) | data[4]; + coord->tsw = data[0] & 0x01; +} + +static void scale_touch_coordinates(struct w8001 *w8001, + unsigned int *x, unsigned int *y) +{ + if (w8001->max_pen_x && w8001->max_touch_x) + *x = *x * w8001->max_pen_x / w8001->max_touch_x; + + if (w8001->max_pen_y && w8001->max_touch_y) + *y = *y * w8001->max_pen_y / w8001->max_touch_y; +} + +static void parse_multi_touch(struct w8001 *w8001) { - static int trkid; struct input_dev *dev = w8001->dev; unsigned char *data = w8001->data; + unsigned int x, y; int i; + int count = 0; for (i = 0; i < 2; i++) { - input_mt_slot(dev, i); + bool touch = data[0] & (1 << i); - if (data[0] & (1 << i)) { - int x = (data[6 * i + 1] << 7) | (data[6 * i + 2]); - int y = (data[6 * i + 3] << 7) | (data[6 * i + 4]); + input_mt_slot(dev, i); + input_mt_report_slot_state(dev, MT_TOOL_FINGER, touch); + if (touch) { + x = (data[6 * i + 1] << 7) | data[6 * i + 2]; + y = (data[6 * i + 3] << 7) | data[6 * i + 4]; /* data[5,6] and [11,12] is finger capacity */ + /* scale to pen maximum */ + scale_touch_coordinates(w8001, &x, &y); + input_report_abs(dev, ABS_MT_POSITION_X, x); input_report_abs(dev, ABS_MT_POSITION_Y, y); - input_report_abs(dev, ABS_MT_TOOL_TYPE, MT_TOOL_FINGER); - if (w8001->trkid[i] < 0) - w8001->trkid[i] = trkid++ & MAX_TRACKING_ID; - } else { - w8001->trkid[i] = -1; + count++; } - input_report_abs(dev, ABS_MT_TRACKING_ID, w8001->trkid[i]); + } + + /* emulate single touch events when stylus is out of proximity. + * This is to make single touch backward support consistent + * across all Wacom single touch devices. + */ + if (w8001->type != BTN_TOOL_PEN && + w8001->type != BTN_TOOL_RUBBER) { + w8001->type = count == 1 ? BTN_TOOL_FINGER : KEY_RESERVED; + input_mt_report_pointer_emulation(dev, true); } input_sync(dev); @@ -158,6 +195,15 @@ static void parse_touchquery(u8 *data, struct w8001_touch_query *query) query->y = data[5] << 9; query->y |= data[6] << 2; query->y |= (data[2] >> 3) & 0x3; + + /* Early days' single-finger touch models need the following defaults */ + if (!query->x && !query->y) { + query->x = 1024; + query->y = 1024; + if (query->panel_res) + query->x = query->y = (1 << query->panel_res); + query->panel_res = W8001_TOUCH_RESOLUTION; + } } static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord) @@ -167,16 +213,15 @@ static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord) /* * We have 1 bit for proximity (rdy) and 3 bits for tip, side, * side2/eraser. If rdy && f2 are set, this can be either pen + side2, - * or eraser. assume + * or eraser. Assume: * - if dev is already in proximity and f2 is toggled → pen + side2 * - if dev comes into proximity with f2 set → eraser * If f2 disappears after assuming eraser, fake proximity out for * eraser and in for pen. */ - if (!w8001->type) { - w8001->type = coord->f2 ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; - } else if (w8001->type == BTN_TOOL_RUBBER) { + switch (w8001->type) { + case BTN_TOOL_RUBBER: if (!coord->f2) { input_report_abs(dev, ABS_PRESSURE, 0); input_report_key(dev, BTN_TOUCH, 0); @@ -186,8 +231,21 @@ static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord) input_sync(dev); w8001->type = BTN_TOOL_PEN; } - } else { + break; + + case BTN_TOOL_FINGER: + input_report_key(dev, BTN_TOUCH, 0); + input_report_key(dev, BTN_TOOL_FINGER, 0); + input_sync(dev); + /* fall through */ + + case KEY_RESERVED: + w8001->type = coord->f2 ? BTN_TOOL_RUBBER : BTN_TOOL_PEN; + break; + + default: input_report_key(dev, BTN_STYLUS2, coord->f2); + break; } input_report_abs(dev, ABS_X, coord->x); @@ -199,7 +257,26 @@ static void report_pen_events(struct w8001 *w8001, struct w8001_coord *coord) input_sync(dev); if (!coord->rdy) - w8001->type = 0; + w8001->type = KEY_RESERVED; +} + +static void report_single_touch(struct w8001 *w8001, struct w8001_coord *coord) +{ + struct input_dev *dev = w8001->dev; + unsigned int x = coord->x; + unsigned int y = coord->y; + + /* scale to pen maximum */ + scale_touch_coordinates(w8001, &x, &y); + + input_report_abs(dev, ABS_X, x); + input_report_abs(dev, ABS_Y, y); + input_report_key(dev, BTN_TOUCH, coord->tsw); + input_report_key(dev, BTN_TOOL_FINGER, coord->tsw); + + input_sync(dev); + + w8001->type = coord->tsw ? BTN_TOOL_FINGER : KEY_RESERVED; } static irqreturn_t w8001_interrupt(struct serio *serio, @@ -220,9 +297,18 @@ static irqreturn_t w8001_interrupt(struct serio *serio, case W8001_PKTLEN_TOUCH93 - 1: case W8001_PKTLEN_TOUCH9A - 1: - /* ignore one-finger touch packet. */ - if (w8001->pktlen == w8001->idx) + tmp = w8001->data[0] & W8001_TOUCH_BYTE; + if (tmp != W8001_TOUCH_BYTE) + break; + + if (w8001->pktlen == w8001->idx) { w8001->idx = 0; + if (w8001->type != BTN_TOOL_PEN && + w8001->type != BTN_TOOL_RUBBER) { + parse_single_touch(w8001->data, &coord); + report_single_touch(w8001, &coord); + } + } break; /* Pen coordinates packet */ @@ -231,18 +317,18 @@ static irqreturn_t w8001_interrupt(struct serio *serio, if (unlikely(tmp == W8001_TAB_BYTE)) break; - tmp = (w8001->data[0] & W8001_TOUCH_BYTE); + tmp = w8001->data[0] & W8001_TOUCH_BYTE; if (tmp == W8001_TOUCH_BYTE) break; w8001->idx = 0; - parse_data(w8001->data, &coord); + parse_pen_data(w8001->data, &coord); report_pen_events(w8001, &coord); break; /* control packet */ case W8001_PKTLEN_TPCCTL - 1: - tmp = (w8001->data[0] & W8001_TOUCH_MASK); + tmp = w8001->data[0] & W8001_TOUCH_MASK; if (tmp == W8001_TOUCH_BYTE) break; @@ -255,7 +341,7 @@ static irqreturn_t w8001_interrupt(struct serio *serio, /* 2 finger touch packet */ case W8001_PKTLEN_TOUCH2FG - 1: w8001->idx = 0; - parse_touch(w8001); + parse_multi_touch(w8001); break; } @@ -285,52 +371,109 @@ static int w8001_setup(struct w8001 *w8001) { struct input_dev *dev = w8001->dev; struct w8001_coord coord; + struct w8001_touch_query touch; int error; - error = w8001_command(w8001, W8001_CMD_QUERY, true); + error = w8001_command(w8001, W8001_CMD_STOP, false); if (error) return error; - parse_data(w8001->response, &coord); + msleep(250); /* wait 250ms before querying the device */ - input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0); - input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0); - input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0); - input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0); - input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0); + dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + strlcat(w8001->name, "Wacom Serial", sizeof(w8001->name)); - error = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true); + /* penabled? */ + error = w8001_command(w8001, W8001_CMD_QUERY, true); if (!error) { - struct w8001_touch_query touch; + __set_bit(BTN_TOUCH, dev->keybit); + __set_bit(BTN_TOOL_PEN, dev->keybit); + __set_bit(BTN_TOOL_RUBBER, dev->keybit); + __set_bit(BTN_STYLUS, dev->keybit); + __set_bit(BTN_STYLUS2, dev->keybit); + + parse_pen_data(w8001->response, &coord); + w8001->max_pen_x = coord.x; + w8001->max_pen_y = coord.y; + + input_set_abs_params(dev, ABS_X, 0, coord.x, 0, 0); + input_set_abs_params(dev, ABS_Y, 0, coord.y, 0, 0); + input_abs_set_res(dev, ABS_X, W8001_PEN_RESOLUTION); + input_abs_set_res(dev, ABS_Y, W8001_PEN_RESOLUTION); + input_set_abs_params(dev, ABS_PRESSURE, 0, coord.pen_pressure, 0, 0); + if (coord.tilt_x && coord.tilt_y) { + input_set_abs_params(dev, ABS_TILT_X, 0, coord.tilt_x, 0, 0); + input_set_abs_params(dev, ABS_TILT_Y, 0, coord.tilt_y, 0, 0); + } + w8001->id = 0x90; + strlcat(w8001->name, " Penabled", sizeof(w8001->name)); + } + + /* Touch enabled? */ + error = w8001_command(w8001, W8001_CMD_TOUCHQUERY, true); + + /* + * Some non-touch devices may reply to the touch query. But their + * second byte is empty, which indicates touch is not supported. + */ + if (!error && w8001->response[1]) { + __set_bit(BTN_TOUCH, dev->keybit); + __set_bit(BTN_TOOL_FINGER, dev->keybit); parse_touchquery(w8001->response, &touch); + w8001->max_touch_x = touch.x; + w8001->max_touch_y = touch.y; + + if (w8001->max_pen_x && w8001->max_pen_y) { + /* if pen is supported scale to pen maximum */ + touch.x = w8001->max_pen_x; + touch.y = w8001->max_pen_y; + touch.panel_res = W8001_PEN_RESOLUTION; + } + + input_set_abs_params(dev, ABS_X, 0, touch.x, 0, 0); + input_set_abs_params(dev, ABS_Y, 0, touch.y, 0, 0); + input_abs_set_res(dev, ABS_X, touch.panel_res); + input_abs_set_res(dev, ABS_Y, touch.panel_res); switch (touch.sensor_id) { case 0: case 2: w8001->pktlen = W8001_PKTLEN_TOUCH93; + w8001->id = 0x93; + strlcat(w8001->name, " 1FG", sizeof(w8001->name)); break; + case 1: case 3: case 4: w8001->pktlen = W8001_PKTLEN_TOUCH9A; + strlcat(w8001->name, " 1FG", sizeof(w8001->name)); + w8001->id = 0x9a; break; + case 5: w8001->pktlen = W8001_PKTLEN_TOUCH2FG; - input_mt_create_slots(dev, 2); - input_set_abs_params(dev, ABS_MT_TRACKING_ID, - 0, MAX_TRACKING_ID, 0, 0); + input_mt_init_slots(dev, 2); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, touch.x, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, touch.y, 0, 0); input_set_abs_params(dev, ABS_MT_TOOL_TYPE, - 0, 0, 0, 0); + 0, MT_TOOL_MAX, 0, 0); + + strlcat(w8001->name, " 2FG", sizeof(w8001->name)); + if (w8001->max_pen_x && w8001->max_pen_y) + w8001->id = 0xE3; + else + w8001->id = 0xE2; break; } } + strlcat(w8001->name, " Touchscreen", sizeof(w8001->name)); + return w8001_command(w8001, W8001_CMD_START, false); } @@ -370,27 +513,10 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv) } w8001->serio = serio; - w8001->id = serio->id.id; w8001->dev = input_dev; - w8001->trkid[0] = w8001->trkid[1] = -1; init_completion(&w8001->cmd_done); snprintf(w8001->phys, sizeof(w8001->phys), "%s/input0", serio->phys); - input_dev->name = "Wacom W8001 Penabled Serial TouchScreen"; - input_dev->phys = w8001->phys; - input_dev->id.bustype = BUS_RS232; - input_dev->id.vendor = SERIO_W8001; - input_dev->id.product = w8001->id; - input_dev->id.version = 0x0100; - input_dev->dev.parent = &serio->dev; - - input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); - input_dev->keybit[BIT_WORD(BTN_TOUCH)] = BIT_MASK(BTN_TOUCH); - input_dev->keybit[BIT_WORD(BTN_TOOL_PEN)] |= BIT_MASK(BTN_TOOL_PEN); - input_dev->keybit[BIT_WORD(BTN_TOOL_RUBBER)] |= BIT_MASK(BTN_TOOL_RUBBER); - input_dev->keybit[BIT_WORD(BTN_STYLUS)] |= BIT_MASK(BTN_STYLUS); - input_dev->keybit[BIT_WORD(BTN_STYLUS2)] |= BIT_MASK(BTN_STYLUS2); - serio_set_drvdata(serio, w8001); err = serio_open(serio, drv); if (err) @@ -400,6 +526,14 @@ static int w8001_connect(struct serio *serio, struct serio_driver *drv) if (err) goto fail3; + input_dev->name = w8001->name; + input_dev->phys = w8001->phys; + input_dev->id.product = w8001->id; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = 0x056a; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + err = input_register_device(w8001->dev); if (err) goto fail3; diff --git a/drivers/input/xen-kbdfront.c b/drivers/input/xen-kbdfront.c index e0c024db2ca..7f85a862ad1 100644 --- a/drivers/input/xen-kbdfront.c +++ b/drivers/input/xen-kbdfront.c @@ -17,6 +17,8 @@ * Switch to grant tables together with xen-fbfront.c. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include <linux/kernel.h> #include <linux/errno.h> #include <linux/module.h> @@ -84,9 +86,8 @@ static irqreturn_t input_handler(int rq, void *dev_id) input_report_key(dev, event->key.keycode, event->key.pressed); else - printk(KERN_WARNING - "xenkbd: unhandled keycode 0x%x\n", - event->key.keycode); + pr_warning("unhandled keycode 0x%x\n", + event->key.keycode); break; case XENKBD_TYPE_POS: input_report_abs(dev, ABS_X, event->pos.abs_x); @@ -292,8 +293,7 @@ InitWait: ret = xenbus_printf(XBT_NIL, info->xbdev->nodename, "request-abs-pointer", "1"); if (ret) - printk(KERN_WARNING - "xenkbd: can't request abs-pointer"); + pr_warning("can't request abs-pointer\n"); } xenbus_switch_state(dev, XenbusStateConnected); break; |