diff options
| -rw-r--r-- | drivers/media/IR/keymaps/Makefile | 1 | ||||
| -rw-r--r-- | drivers/media/IR/keymaps/rc-rc5-streamzap.c | 81 | ||||
| -rw-r--r-- | drivers/staging/lirc/lirc_streamzap.c | 812 | ||||
| -rw-r--r-- | include/media/rc-map.h | 1 |
4 files changed, 449 insertions, 446 deletions
diff --git a/drivers/media/IR/keymaps/Makefile b/drivers/media/IR/keymaps/Makefile index cbee06243b5..c9fcc41944e 100644 --- a/drivers/media/IR/keymaps/Makefile +++ b/drivers/media/IR/keymaps/Makefile @@ -59,6 +59,7 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-purpletv.o \ rc-pv951.o \ rc-rc5-hauppauge-new.o \ + rc-rc5-streamzap.o \ rc-rc5-tv.o \ rc-rc6-mce.o \ rc-real-audio-220-32-keys.o \ diff --git a/drivers/media/IR/keymaps/rc-rc5-streamzap.c b/drivers/media/IR/keymaps/rc-rc5-streamzap.c new file mode 100644 index 00000000000..4c19c58b46d --- /dev/null +++ b/drivers/media/IR/keymaps/rc-rc5-streamzap.c @@ -0,0 +1,81 @@ +/* rc-rc5-streamzap.c - Keytable for Streamzap PC Remote, for use + * with the Streamzap PC Remote IR Receiver. + * + * Copyright (c) 2010 by Jarod Wilson <jarod@redhat.com> + * + * 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. + */ + +#include <media/rc-map.h> + +static struct ir_scancode rc5_streamzap[] = { +/* + * FIXME: The Streamzap remote isn't actually true RC-5, it has an extra + * bit in it, which presently throws the in-kernel RC-5 decoder for a loop. + * We either have to enhance the decoder to support it, add a new decoder, + * or just rely on lirc userspace decoding. + */ + { 0x00, KEY_NUMERIC_0 }, + { 0x01, KEY_NUMERIC_1 }, + { 0x02, KEY_NUMERIC_2 }, + { 0x03, KEY_NUMERIC_3 }, + { 0x04, KEY_NUMERIC_4 }, + { 0x05, KEY_NUMERIC_5 }, + { 0x06, KEY_NUMERIC_6 }, + { 0x07, KEY_NUMERIC_7 }, + { 0x08, KEY_NUMERIC_8 }, + { 0x0a, KEY_POWER }, + { 0x0b, KEY_MUTE }, + { 0x0c, KEY_CHANNELUP }, + { 0x0d, KEY_VOLUMEUP }, + { 0x0e, KEY_CHANNELDOWN }, + { 0x0f, KEY_VOLUMEDOWN }, + { 0x10, KEY_UP }, + { 0x11, KEY_LEFT }, + { 0x12, KEY_OK }, + { 0x13, KEY_RIGHT }, + { 0x14, KEY_DOWN }, + { 0x15, KEY_MENU }, + { 0x16, KEY_EXIT }, + { 0x17, KEY_PLAY }, + { 0x18, KEY_PAUSE }, + { 0x19, KEY_STOP }, + { 0x1a, KEY_BACK }, + { 0x1b, KEY_FORWARD }, + { 0x1c, KEY_RECORD }, + { 0x1d, KEY_REWIND }, + { 0x1e, KEY_FASTFORWARD }, + { 0x20, KEY_RED }, + { 0x21, KEY_GREEN }, + { 0x22, KEY_YELLOW }, + { 0x23, KEY_BLUE }, + +}; + +static struct rc_keymap rc5_streamzap_map = { + .map = { + .scan = rc5_streamzap, + .size = ARRAY_SIZE(rc5_streamzap), + .ir_type = IR_TYPE_RC5, + .name = RC_MAP_RC5_STREAMZAP, + } +}; + +static int __init init_rc_map_rc5_streamzap(void) +{ + return ir_register_map(&rc5_streamzap_map); +} + +static void __exit exit_rc_map_rc5_streamzap(void) +{ + ir_unregister_map(&rc5_streamzap_map); +} + +module_init(init_rc_map_rc5_streamzap) +module_exit(exit_rc_map_rc5_streamzap) + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Jarod Wilson <jarod@redhat.com>"); diff --git a/drivers/staging/lirc/lirc_streamzap.c b/drivers/staging/lirc/lirc_streamzap.c index be09c103f0c..058e29fd478 100644 --- a/drivers/staging/lirc/lirc_streamzap.c +++ b/drivers/staging/lirc/lirc_streamzap.c @@ -2,6 +2,7 @@ * Streamzap Remote Control driver * * Copyright (c) 2005 Christoph Bartelmus <lirc@bartelmus.de> + * Copyright (c) 2010 Jarod Wilson <jarod@wilsonet.com> * * This driver was based on the work of Greg Wickham and Adrian * Dewhurst. It was substantially rewritten to support correct signal @@ -10,6 +11,8 @@ * delay buffer an ugly hack would be required in lircd, which can * cause sluggish signal decoding in certain situations. * + * Ported to in-kernel ir-core interface by Jarod Wilson + * * This driver is based on the USB skeleton driver packaged with the * kernel; copyright (C) 2001-2003 Greg Kroah-Hartman (greg@kroah.com) * @@ -28,36 +31,26 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/slab.h> +#include <linux/device.h> #include <linux/module.h> -#include <linux/smp_lock.h> -#include <linux/completion.h> -#include <linux/uaccess.h> +#include <linux/slab.h> #include <linux/usb.h> +#include <linux/input.h> +#include <media/ir-core.h> -#include <media/lirc.h> -#include <media/lirc_dev.h> - -#define DRIVER_VERSION "1.28" -#define DRIVER_NAME "lirc_streamzap" +#define DRIVER_VERSION "1.60" +#define DRIVER_NAME "streamzap" #define DRIVER_DESC "Streamzap Remote Control driver" +#ifdef CONFIG_USB_DEBUG +static int debug = 1; +#else static int debug; +#endif #define USB_STREAMZAP_VENDOR_ID 0x0e9c #define USB_STREAMZAP_PRODUCT_ID 0x0000 -/* Use our own dbg macro */ -#define dprintk(fmt, args...) \ - do { \ - if (debug) \ - printk(KERN_DEBUG DRIVER_NAME "[%d]: " \ - fmt "\n", ## args); \ - } while (0) - /* table of devices that work with this driver */ static struct usb_device_id streamzap_table[] = { /* Streamzap Remote Control */ @@ -74,7 +67,7 @@ MODULE_DEVICE_TABLE(usb, streamzap_table); #define STREAMZAP_RESOLUTION 256 /* number of samples buffered */ -#define STREAMZAP_BUF_LEN 128 +#define SZ_BUF_LEN 128 enum StreamzapDecoderState { PulseSpace, @@ -83,65 +76,52 @@ enum StreamzapDecoderState { IgnorePulse }; -/* Structure to hold all of our device specific stuff - * - * some remarks regarding locking: - * theoretically this struct can be accessed from three threads: - * - * - from lirc_dev through set_use_inc/set_use_dec - * - * - from the USB layer throuh probe/disconnect/irq - * - * Careful placement of lirc_register_driver/lirc_unregister_driver - * calls will prevent conflicts. lirc_dev makes sure that - * set_use_inc/set_use_dec are not being executed and will not be - * called after lirc_unregister_driver returns. - * - * - by the timer callback - * - * The timer is only running when the device is connected and the - * LIRC device is open. Making sure the timer is deleted by - * set_use_dec will make conflicts impossible. - */ -struct usb_streamzap { +/* structure to hold our device specific stuff */ +struct streamzap_ir { + + /* ir-core */ + struct ir_dev_props *props; + struct ir_raw_event rawir; + + /* core device info */ + struct device *dev; + struct input_dev *idev; /* usb */ - /* save off the usb device pointer */ - struct usb_device *udev; - /* the interface for this device */ + struct usb_device *usbdev; struct usb_interface *interface; + struct usb_endpoint_descriptor *endpoint; + struct urb *urb_in; /* buffer & dma */ unsigned char *buf_in; dma_addr_t dma_in; unsigned int buf_in_len; - struct usb_endpoint_descriptor *endpoint; - - /* IRQ */ - struct urb *urb_in; - - /* lirc */ - struct lirc_driver *driver; - struct lirc_buffer *delay_buf; - /* timer used to support delay buffering */ struct timer_list delay_timer; - int timer_running; + bool timer_running; spinlock_t timer_lock; + struct timer_list flush_timer; + bool flush; + + /* delay buffer */ + struct kfifo fifo; + bool fifo_initialized; + /* track what state we're in */ + enum StreamzapDecoderState decoder_state; /* tracks whether we are currently receiving some signal */ - int idle; + bool idle; /* sum of signal lengths received since signal start */ unsigned long sum; /* start time of signal; necessary for gap tracking */ struct timeval signal_last; struct timeval signal_start; - enum StreamzapDecoderState decoder_state; - struct timer_list flush_timer; - int flush; - int in_use; - int timeout_enabled; + /* bool timeout_enabled; */ + + char name[128]; + char phys[64]; }; @@ -149,16 +129,11 @@ struct usb_streamzap { static int streamzap_probe(struct usb_interface *interface, const struct usb_device_id *id); static void streamzap_disconnect(struct usb_interface *interface); -static void usb_streamzap_irq(struct urb *urb); -static int streamzap_use_inc(void *data); -static void streamzap_use_dec(void *data); -static long streamzap_ioctl(struct file *filep, unsigned int cmd, - unsigned long arg); +static void streamzap_callback(struct urb *urb); static int streamzap_suspend(struct usb_interface *intf, pm_message_t message); static int streamzap_resume(struct usb_interface *intf); /* usb specific object needed to register this driver with the usb subsystem */ - static struct usb_driver streamzap_driver = { .name = DRIVER_NAME, .probe = streamzap_probe, @@ -168,13 +143,13 @@ static struct usb_driver streamzap_driver = { .id_table = streamzap_table, }; -static void stop_timer(struct usb_streamzap *sz) +static void streamzap_stop_timer(struct streamzap_ir *sz) { unsigned long flags; spin_lock_irqsave(&sz->timer_lock, flags); if (sz->timer_running) { - sz->timer_running = 0; + sz->timer_running = false; spin_unlock_irqrestore(&sz->timer_lock, flags); del_timer_sync(&sz->delay_timer); } else { @@ -182,175 +157,183 @@ static void stop_timer(struct usb_streamzap *sz) } } -static void flush_timeout(unsigned long arg) +static void streamzap_flush_timeout(unsigned long arg) { - struct usb_streamzap *sz = (struct usb_streamzap *) arg; + struct streamzap_ir *sz = (struct streamzap_ir *)arg; + + dev_info(sz->dev, "%s: callback firing\n", __func__); /* finally start accepting data */ - sz->flush = 0; + sz->flush = false; } -static void delay_timeout(unsigned long arg) + +static void streamzap_delay_timeout(unsigned long arg) { + struct streamzap_ir *sz = (struct streamzap_ir *)arg; + struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; unsigned long flags; + int len, ret; + static unsigned long delay; + bool wake = false; + /* deliver data every 10 ms */ - static unsigned long timer_inc = - (10000/(1000000/HZ)) == 0 ? 1 : (10000/(1000000/HZ)); - struct usb_streamzap *sz = (struct usb_streamzap *) arg; - int data; + delay = msecs_to_jiffies(10); spin_lock_irqsave(&sz->timer_lock, flags); - if (!lirc_buffer_empty(sz->delay_buf) && - !lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_read(sz->delay_buf, (unsigned char *) &data); - lirc_buffer_write(sz->driver->rbuf, (unsigned char *) &data); + if (kfifo_len(&sz->fifo) > 0) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + wake = true; } - if (!lirc_buffer_empty(sz->delay_buf)) { - while (lirc_buffer_available(sz->delay_buf) < - STREAMZAP_BUF_LEN / 2 && - !lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_read(sz->delay_buf, - (unsigned char *) &data); - lirc_buffer_write(sz->driver->rbuf, - (unsigned char *) &data); - } - if (sz->timer_running) { - sz->delay_timer.expires = jiffies + timer_inc; - add_timer(&sz->delay_timer); + + len = kfifo_len(&sz->fifo); + if (len > 0) { + while ((len < SZ_BUF_LEN / 2) && + (len < SZ_BUF_LEN * sizeof(int))) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + wake = true; + len = kfifo_len(&sz->fifo); } + if (sz->timer_running) + mod_timer(&sz->delay_timer, jiffies + delay); + } else { - sz->timer_running = 0; + sz->timer_running = false; } - if (!lirc_buffer_empty(sz->driver->rbuf)) - wake_up(&sz->driver->rbuf->wait_poll); + if (wake) + ir_raw_event_handle(sz->idev); spin_unlock_irqrestore(&sz->timer_lock, flags); } -static void flush_delay_buffer(struct usb_streamzap *sz) +static void streamzap_flush_delay_buffer(struct streamzap_ir *sz) { - int data; - int empty = 1; - - while (!lirc_buffer_empty(sz->delay_buf)) { - empty = 0; - lirc_buffer_read(sz->delay_buf, (unsigned char *) &data); - if (!lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_write(sz->driver->rbuf, - (unsigned char *) &data); - } else { - dprintk("buffer overflow", sz->driver->minor); - } + struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; + bool wake = false; + int ret; + + while (kfifo_len(&sz->fifo) > 0) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); + wake = true; } - if (!empty) - wake_up(&sz->driver->rbuf->wait_poll); + + if (wake) + ir_raw_event_handle(sz->idev); } -static void push(struct usb_streamzap *sz, unsigned char *data) +static void sz_push(struct streamzap_ir *sz) { + struct ir_raw_event rawir = { .pulse = false, .duration = 0 }; unsigned long flags; + int ret; spin_lock_irqsave(&sz->timer_lock, flags); - if (lirc_buffer_full(sz->delay_buf)) { - int read_data; - - lirc_buffer_read(sz->delay_buf, - (unsigned char *) &read_data); - if (!lirc_buffer_full(sz->driver->rbuf)) { - lirc_buffer_write(sz->driver->rbuf, - (unsigned char *) &read_data); - } else { - dprintk("buffer overflow", sz->driver->minor); - } + if (kfifo_len(&sz->fifo) >= sizeof(int) * SZ_BUF_LEN) { + ret = kfifo_out(&sz->fifo, &rawir, sizeof(rawir)); + if (ret != sizeof(rawir)) + dev_err(sz->dev, "Problem w/kfifo_out...\n"); + ir_raw_event_store(sz->idev, &rawir); } - lirc_buffer_write(sz->delay_buf, data); + kfifo_in(&sz->fifo, &sz->rawir, sizeof(rawir)); if (!sz->timer_running) { - sz->delay_timer.expires = jiffies + HZ/10; + sz->delay_timer.expires = jiffies + (HZ / 10); add_timer(&sz->delay_timer); - sz->timer_running = 1; + sz->timer_running = true; } spin_unlock_irqrestore(&sz->timer_lock, flags); } -static void push_full_pulse(struct usb_streamzap *sz, - unsigned char value) +static void sz_push_full_pulse(struct streamzap_ir *sz, + unsigned char value) { - int pulse; - if (sz->idle) { long deltv; - int tmp; sz->signal_last = sz->signal_start; do_gettimeofday(&sz->signal_start); - deltv = sz->signal_start.tv_sec-sz->signal_last.tv_sec; + deltv = sz->signal_start.tv_sec - sz->signal_last.tv_sec; + sz->rawir.pulse = false; if (deltv > 15) { /* really long time */ - tmp = LIRC_SPACE(LIRC_VALUE_MASK); + sz->rawir.duration = IR_MAX_DURATION; } else { - tmp = (int) (deltv*1000000+ - sz->signal_start.tv_usec - - sz->signal_last.tv_usec); - tmp -= sz->sum; - tmp = LIRC_SPACE(tmp); + sz->rawir.duration = (int)(deltv * 1000000 + + sz->signal_start.tv_usec - + sz->signal_last.tv_usec); + sz->rawir.duration -= sz->sum; + sz->rawir.duration *= 1000; + sz->rawir.duration &= IR_MAX_DURATION; } - dprintk("ls %u", sz->driver->minor, tmp); - push(sz, (char *)&tmp); + dev_dbg(sz->dev, "ls %u\n", sz->rawir.duration); + sz_push(sz); sz->idle = 0; sz->sum = 0; } - pulse = ((int) value) * STREAMZAP_RESOLUTION; - pulse += STREAMZAP_RESOLUTION / 2; - sz->sum += pulse; - pulse = LIRC_PULSE(pulse); - - dprintk("p %u", sz->driver->minor, pulse & PULSE_MASK); - push(sz, (char *)&pulse); + sz->rawir.pulse = true; + sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; + sz->rawir.duration += STREAMZAP_RESOLUTION / 2; + sz->sum += sz->rawir.duration; + sz->rawir.duration *= 1000; + sz->rawir.duration &= IR_MAX_DURATION; + dev_dbg(sz->dev, "p %u\n", sz->rawir.duration); + sz_push(sz); } -static void push_half_pulse(struct usb_streamzap *sz, - unsigned char value) +static void sz_push_half_pulse(struct streamzap_ir *sz, + unsigned char value) { - push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK)>>4); + sz_push_full_pulse(sz, (value & STREAMZAP_PULSE_MASK) >> 4); } -static void push_full_space(struct usb_streamzap *sz, - unsigned char value) +static void sz_push_full_space(struct streamzap_ir *sz, + unsigned char value) { - int space; - - space = ((int) value)*STREAMZAP_RESOLUTION; - space += STREAMZAP_RESOLUTION/2; - sz->sum += space; - space = LIRC_SPACE(space); - dprintk("s %u", sz->driver->minor, space); - push(sz, (char *)&space); + sz->rawir.pulse = false; + sz->rawir.duration = ((int) value) * STREAMZAP_RESOLUTION; + sz->rawir.duration += STREAMZAP_RESOLUTION / 2; + sz->sum += sz->rawir.duration; + sz->rawir.duration *= 1000; + dev_dbg(sz->dev, "s %u\n", sz->rawir.duration); + sz_push(sz); } -static void push_half_space(struct usb_streamzap *sz, - unsigned char value) +static void sz_push_half_space(struct streamzap_ir *sz, + unsigned long value) { - push_full_space(sz, value & STREAMZAP_SPACE_MASK); + sz_push_full_space(sz, value & STREAMZAP_SPACE_MASK); } /** - * usb_streamzap_irq - IRQ handler + * streamzap_callback - usb IRQ handler callback * * This procedure is invoked on reception of data from * the usb remote. */ -static void usb_streamzap_irq(struct urb *urb) +static void streamzap_callback(struct urb *urb) { - struct usb_streamzap *sz; - int len; - unsigned int i = 0; + struct streamzap_ir *sz; + unsigned int i; + int len; + #if 0 + static int timeout = (((STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) & + IR_MAX_DURATION) | 0x03000000); + #endif if (!urb) return; @@ -366,51 +349,52 @@ static void usb_streamzap_irq(struct urb *urb) * this urb is terminated, clean up. * sz might already be invalid at this point */ - dprintk("urb status: %d", -1, urb->status); + dev_err(sz->dev, "urb terminated, status: %d\n", urb->status); return; default: break; } - dprintk("received %d", sz->driver->minor, urb->actual_length); + dev_dbg(sz->dev, "%s: received urb, len %d\n", __func__, len); if (!sz->flush) { for (i = 0; i < urb->actual_length; i++) { - dprintk("%d: %x", sz->driver->minor, - i, (unsigned char) sz->buf_in[i]); + dev_dbg(sz->dev, "%d: %x\n", i, + (unsigned char)sz->buf_in[i]); switch (sz->decoder_state) { case PulseSpace: - if ((sz->buf_in[i]&STREAMZAP_PULSE_MASK) == + if ((sz->buf_in[i] & STREAMZAP_PULSE_MASK) == STREAMZAP_PULSE_MASK) { sz->decoder_state = FullPulse; continue; - } else if ((sz->buf_in[i]&STREAMZAP_SPACE_MASK) + } else if ((sz->buf_in[i] & STREAMZAP_SPACE_MASK) == STREAMZAP_SPACE_MASK) { - push_half_pulse(sz, sz->buf_in[i]); + sz_push_half_pulse(sz, sz->buf_in[i]); sz->decoder_state = FullSpace; continue; } else { - push_half_pulse(sz, sz->buf_in[i]); - push_half_space(sz, sz->buf_in[i]); + sz_push_half_pulse(sz, sz->buf_in[i]); + sz_push_half_space(sz, sz->buf_in[i]); } break; case FullPulse: - push_full_pulse(sz, sz->buf_in[i]); + sz_push_full_pulse(sz, sz->buf_in[i]); sz->decoder_state = IgnorePulse; break; case FullSpace: if (sz->buf_in[i] == STREAMZAP_TIMEOUT) { sz->idle = 1; - stop_timer(sz); + streamzap_stop_timer(sz); + #if 0 if (sz->timeout_enabled) { - int timeout = - LIRC_TIMEOUT - (STREAMZAP_TIMEOUT * - STREAMZAP_RESOLUTION); - push(sz, (char *)&timeout); + sz->rawir.pulse = false; + sz->rawir.duration = timeout; + sz->rawir.duration *= 1000; + sz_push(sz); } - flush_delay_buffer(sz); + #endif + streamzap_flush_delay_buffer(sz); } else - push_full_space(sz, sz->buf_in[i]); + sz_push_full_space(sz, sz->buf_in[i]); sz->decoder_state = PulseSpace; break; case IgnorePulse: @@ -419,7 +403,7 @@ static void usb_streamzap_irq(struct urb *urb) sz->decoder_state = FullSpace; continue; } - push_half_space(sz, sz->buf_in[i]); + sz_push_half_space(sz, sz->buf_in[i]); sz->decoder_state = PulseSpace; break; } @@ -431,16 +415,80 @@ static void usb_streamzap_irq(struct urb *urb) return; } -static const struct file_operations streamzap_fops = { - .owner = THIS_MODULE, - .unlocked_ioctl = streamzap_ioctl, - .read = lirc_dev_fop_read, - .write = lirc_dev_fop_write, - .poll = lirc_dev_fop_poll, - .open = lirc_dev_fop_open, - .release = lirc_dev_fop_close, -}; +static struct input_dev *streamzap_init_input_dev(struct streamzap_ir *sz) +{ + struct input_dev *idev; + struct ir_dev_props *props; + struct device *dev = sz->dev; + int ret; + + idev = input_allocate_device(); + if (!idev) { + dev_err(dev, "remote input dev allocation failed\n"); + goto idev_alloc_failed; + } + + props = kzalloc(sizeof(struct ir_dev_props), GFP_KERNEL); + if (!props) { + dev_err(dev, "remote ir dev props allocation failed\n"); + goto props_alloc_failed; + } + + snprintf(sz->name, sizeof(sz->name), "Streamzap PC Remote Infrared " + "Receiver (%04x:%04x)", + le16_to_cpu(sz->usbdev->descriptor.idVendor), + le16_to_cpu(sz->usbdev->descriptor.idProduct)); + + idev->name = sz->name; + usb_make_path(sz->usbdev, sz->phys, sizeof(sz->phys)); + strlcat(sz->phys, "/input0", sizeof(sz->phys)); + idev->phys = sz->phys; + + props->priv = sz; + props->driver_type = RC_DRIVER_IR_RAW; + /* FIXME: not sure about supported protocols, check on this */ + props->allowed_protos = IR_TYPE_RC5 | IR_TYPE_RC6; + + sz->props = props; + + ret = ir_input_register(idev, RC_MAP_RC5_STREAMZAP, props, DRIVER_NAME); + if (ret < 0) { + dev_err(dev, "remote input device register failed\n"); + goto irdev_failed; + } + + return idev; + +irdev_failed: + kfree(props); +props_alloc_failed: + input_free_device(idev); +idev_alloc_failed: + return NULL; +} + +static int streamzap_delay_buf_init(struct streamzap_ir *sz) +{ + int ret; + + ret = kfifo_alloc(&sz->fifo, sizeof(int) * SZ_BUF_LEN, + GFP_KERNEL); + if (ret == 0) + sz->fifo_initialized = 1; + return ret; +} + +static void streamzap_start_flush_timer(struct streamzap_ir *sz) +{ + sz->flush_timer.expires = jiffies + HZ; + sz->flush = true; + add_timer(&sz->flush_timer); + + sz->urb_in->dev = sz->usbdev; + if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) + dev_err(sz->dev, "urb submit failed\n"); +} /** * streamzap_probe @@ -449,33 +497,30 @@ static const struct file_operations streamzap_fops = { * On any failure the return value is the ERROR * On success return 0 */ -static int streamzap_probe(struct usb_interface *interface, - const struct usb_device_id *id) +static int __devinit streamzap_probe(struct usb_interface *intf, + const struct usb_device_id *id) { - struct usb_device *udev = interface_to_usbdev(interface); + struct usb_device *usbdev = interface_to_usbdev(intf); struct usb_host_interface *iface_host; - struct usb_streamzap *sz; - struct lirc_driver *driver; - struct lirc_buffer *lirc_buf; - struct lirc_buffer *delay_buf; + struct streamzap_ir *sz = NULL; char buf[63], name[128] = ""; int retval = -ENOMEM; - int minor = 0; + int pipe, maxp; /* Allocate space for device driver specific data */ - sz = kzalloc(sizeof(struct usb_streamzap), GFP_KERNEL); - if (sz == NULL) + sz = kzalloc(sizeof(struct streamzap_ir), GFP_KERNEL); + if (!sz) return -ENOMEM; - sz->udev = udev; - sz->interface = interface; + sz->usbdev = usbdev; + sz->interface = intf; /* Check to ensure endpoint information matches requirements */ - iface_host = interface->cur_altsetting; + iface_host = intf->cur_altsetting; if (iface_host->desc.bNumEndpoints != 1) { - err("%s: Unexpected desc.bNumEndpoints (%d)", __func__, - iface_host->desc.bNumEndpoints); + dev_err(&intf->dev, "%s: Unexpected desc.bNumEndpoints (%d)\n", + __func__, iface_host->desc.bNumEndpoints); retval = -ENODEV; goto free_sz; } @@ -483,219 +528,110 @@ static int streamzap_probe(struct usb_interface *interface, sz->endpoint = &(iface_host->endpoint[0].desc); if ((sz->endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK) != USB_DIR_IN) { - err("%s: endpoint doesn't match input device 02%02x", - __func__, sz->endpoint->bEndpointAddress); + dev_err(&intf->dev, "%s: endpoint doesn't match input device " + "02%02x\n", __func__, sz->endpoint->bEndpointAddress); retval = -ENODEV; goto free_sz; } if ((sz->endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) { - err("%s: endpoint attributes don't match xfer 02%02x", - __func__, sz->endpoint->bmAttributes); + dev_err(&intf->dev, "%s: endpoint attributes don't match xfer " + "02%02x\n", __func__, sz->endpoint->bmAttributes); retval = -ENODEV; goto free_sz; } - if (sz->endpoint->wMaxPacketSize == 0) { - err("%s: endpoint message size==0? ", __func__); + pipe = usb_rcvintpipe(usbdev, sz->endpoint->bEndpointAddress); + maxp = usb_maxpacket(usbdev, pipe, usb_pipeout(pipe)); + + if (maxp == 0) { + dev_err(&intf->dev, "%s: endpoint Max Packet Size is 0!?!\n", + __func__); retval = -ENODEV; goto free_sz; } /* Allocate the USB buffer and IRQ URB */ - - sz->buf_in_len = sz->endpoint->wMaxPacketSize; - sz->buf_in = usb_alloc_coherent(sz->udev, sz->buf_in_len, - GFP_ATOMIC, &sz->dma_in); - if (sz->buf_in == NULL) + sz->buf_in = usb_alloc_coherent(usbdev, maxp, GFP_ATOMIC, &sz->dma_in); + if (!sz->buf_in) goto free_sz; sz->urb_in = usb_alloc_urb(0, GFP_KERNEL); - if (sz->urb_in == NULL) - goto free_sz; - - /* Connect this device to the LIRC sub-system */ - driver = kzalloc(sizeof(struct lirc_driver), GFP_KERNEL); - if (!driver) - goto free_sz; + if (!sz->urb_in) + goto free_buf_in; - lirc_buf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL); - if (!lirc_buf) - goto free_driver; - if (lirc_buffer_init(lirc_buf, sizeof(int), STREAMZAP_BUF_LEN)) - goto kfree_lirc_buf; - - delay_buf = kmalloc(sizeof(struct lirc_buffer), GFP_KERNEL); - if (!delay_buf) - goto free_lirc_buf; - if (lirc_buffer_init(delay_buf, sizeof(int), STREAMZAP_BUF_LEN)) - goto kfree_delay_buf; - - sz->driver = driver; - strcpy(sz->driver->name, DRIVER_NAME); - sz->driver->minor = -1; - sz->driver->sample_rate = 0; - sz->driver->code_length = sizeof(int) * 8; - sz->driver->features = LIRC_CAN_REC_MODE2 | - LIRC_CAN_GET_REC_RESOLUTION | - LIRC_CAN_SET_REC_TIMEOUT; - sz->driver->data = sz; - sz->driver->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION; - sz->driver->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION; - sz->driver->rbuf = lirc_buf; - sz->delay_buf = delay_buf; - sz->driver->set_use_inc = &streamzap_use_inc; - sz->driver->set_use_dec = &streamzap_use_dec; - sz->driver->fops = &streamzap_fops; - sz->driver->dev = &interface->dev; - sz->driver->owner = THIS_MODULE; - - sz->idle = 1; - sz->decoder_state = PulseSpace; - init_timer(&sz->delay_timer); - sz->delay_timer.function = delay_timeout; - sz->delay_timer.data = (unsigned long) sz; - sz->timer_running = 0; - spin_lock_init(&sz->timer_lock); - - init_timer(&sz->flush_timer); - sz->flush_timer.function = flush_timeout; - sz->flush_timer.data = (unsigned long) sz; - /* Complete final initialisations */ + sz->dev = &intf->dev; + sz->buf_in_len = maxp; - usb_fill_int_urb(sz->urb_in, udev, - usb_rcvintpipe(udev, sz->endpoint->bEndpointAddress), - sz->buf_in, sz->buf_in_len, usb_streamzap_irq, sz, - sz->endpoint->bInterval); - sz->urb_in->transfer_dma = sz->dma_in; - sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - - if (udev->descriptor.iManufacturer - && usb_string(udev, udev->descriptor.iManufacturer, + if (usbdev->descriptor.iManufacturer + && usb_string(usbdev, usbdev->descriptor.iManufacturer, buf, sizeof(buf)) > 0) strlcpy(name, buf, sizeof(name)); - if (udev->descriptor.iProduct - && usb_string(udev, udev->descriptor.iProduct, + if (usbdev->descriptor.iProduct + && usb_string(usbdev, usbdev->descriptor.iProduct, buf, sizeof(buf)) > 0) snprintf(name + strlen(name), sizeof(name) - strlen(name), " %s", buf); - minor = lirc_register_driver(driver); - - if (minor < 0) - goto free_delay_buf; - - sz->driver->minor = minor; - - usb_set_intfdata(interface, sz); - - printk(KERN_INFO DRIVER_NAME "[%d]: %s on usb%d:%d attached\n", - sz->driver->minor, name, - udev->bus->busnum, sz->udev->devnum); - - return 0; - -free_delay_buf: - lirc_buffer_free(sz->delay_buf); -kfree_delay_buf: - kfree(delay_buf); -free_lirc_buf: - lirc_buffer_free(sz->driver->rbuf); -kfree_lirc_buf: - kfree(lirc_buf); -free_driver: - kfree(driver); -free_sz: - if (retval == -ENOMEM) - err("Out of memory"); - - if (sz) { - usb_free_urb(sz->urb_in); - usb_free_coherent(udev, sz->buf_in_len, sz->buf_in, sz->dma_in); - kfree(sz); - } - - return retval; -} - -static int streamzap_use_inc(void *data) -{ - struct usb_streamzap *sz = data; - - if (!sz) { - dprintk("%s called with no context", -1, __func__); - return -EINVAL; + retval = streamzap_delay_buf_init(sz); + if (retval) { + dev_err(&intf->dev, "%s: delay buffer init failed\n", __func__); + goto free_urb_in; } - dprintk("set use inc", sz->driver->minor); - lirc_buffer_clear(sz->driver->rbuf); - lirc_buffer_clear(sz->delay_buf); + sz->idev = streamzap_init_input_dev(sz); + if (!sz->idev) + goto input_dev_fail; - sz->flush_timer.expires = jiffies + HZ; - sz->flush = 1; - add_timer(&sz->flush_timer); + sz->idle = true; + sz->decoder_state = PulseSpace; + #if 0 + /* not yet supported, depends on patches from maxim */ + /* see also: LIRC_GET_REC_RESOLUTION and LIRC_SET_REC_TIMEOUT */ + sz->timeout_enabled = false; + sz->min_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; + sz->max_timeout = STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION * 1000; + #endif - sz->urb_in->dev = sz->udev; - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { - dprintk("open result = -EIO error submitting urb", - sz->driver->minor); - return -EIO; - } - sz->in_use++; + init_timer(&sz->delay_timer); + sz->delay_timer.function = streamzap_delay_timeout; + sz->delay_timer.data = (unsigned long)sz; + spin_lock_init(&sz->timer_lock); - return 0; -} + init_timer(&sz->flush_timer); + sz->flush_timer.function = streamzap_flush_timeout; + sz->flush_timer.data = (unsigned long)sz; -static void streamzap_use_dec(void *data) -{ - struct usb_streamzap *sz = data; + do_gettimeofday(&sz->signal_start); - if (!sz) { - dprintk("%s called with no context", -1, __func__); - return; - } - dprintk("set use dec", sz->driver->minor); + /* Complete final initialisations */ + usb_fill_int_urb(sz->urb_in, usbdev, pipe, sz->buf_in, + maxp, (usb_complete_t)streamzap_callback, + sz, sz->endpoint->bInterval); + sz->urb_in->transfer_dma = sz->dma_in; + sz->urb_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - if (sz->flush) { - sz->flush = 0; - del_timer_sync(&sz->flush_timer); - } + usb_set_intfdata(intf, sz); - usb_kill_urb(sz->urb_in); + streamzap_start_flush_timer(sz); - stop_timer(sz); + dev_info(sz->dev, "Registered %s on usb%d:%d\n", name, + usbdev->bus->busnum, usbdev->devnum); - sz->in_use--; -} + return 0; -static long streamzap_ioctl(struct file *filep, unsigned int cmd, - unsigned long arg) -{ - int result = 0; - int val; - struct usb_streamzap *sz = lirc_get_pdata(filep); +input_dev_fail: + kfifo_free(&sz->fifo); +free_urb_in: + usb_free_urb(sz->urb_in); +free_buf_in: + usb_free_coherent(usbdev, maxp, sz->buf_in, sz->dma_in); +free_sz: + kfree(sz); - switch (cmd) { - case LIRC_GET_REC_RESOLUTION: - result = put_user(STREAMZAP_RESOLUTION, (unsigned int *) arg); - break; - case LIRC_SET_REC_TIMEOUT: - result = get_user(val, (int *)arg); - if (result == 0) { - if (val == STREAMZAP_TIMEOUT * STREAMZAP_RESOLUTION) - sz->timeout_enabled = 1; - else if (val == 0) - sz->timeout_enabled = 0; - else - result = -EINVAL; - } - break; - default: - return lirc_dev_fop_ioctl(filep, cmd, arg); - } - return result; + return retval; } /** @@ -704,116 +640,100 @@ static long streamzap_ioctl(struct file *filep, unsigned int cmd, * Called by the usb core when the device is removed from the system. * * This routine guarantees that the driver will not submit any more urbs - * by clearing dev->udev. It is also supposed to terminate any currently + * by clearing dev->usbdev. It is also supposed to terminate any currently * active urbs. Unfortunately, usb_bulk_msg(), used in streamzap_read(), * does not provide any way to do this. */ static void streamzap_disconnect(struct usb_interface *interface) { - struct usb_streamzap *sz; - int errnum; - int minor; - - sz = usb_get_intfdata(interface); + struct streamzap_ir *sz = usb_get_intfdata(interface); + struct usb_device *usbdev = interface_to_usbdev(interface); - /* unregister from the LIRC sub-system */ + usb_set_intfdata(interface, NULL); - errnum = lirc_unregister_driver(sz->driver->minor); - if (errnum != 0) - dprintk("error in lirc_unregister: (returned %d)", - sz->driver->minor, errnum); + if (!sz) + return; - lirc_buffer_free(sz->delay_buf); - lirc_buffer_free(sz->driver->rbuf); + if (sz->flush) { + sz->flush = false; + del_timer_sync(&sz->flush_timer); + } - /* unregister from the USB sub-system */ + streamzap_stop_timer(sz); + sz->usbdev = NULL; + ir_input_unregister(sz->idev); + usb_kill_urb(sz->urb_in); usb_free_urb(sz->urb_in); + usb_free_coherent(usbdev, sz->buf_in_len, sz->buf_in, sz->dma_in); - usb_free_coherent(sz->udev, sz->buf_in_len, sz->buf_in, sz->dma_in); - - minor = sz->driver->minor; - kfree(sz->driver->rbuf); - kfree(sz->driver); - kfree(sz->delay_buf); kfree(sz); - - printk(KERN_INFO DRIVER_NAME "[%d]: disconnected\n", minor); } static int streamzap_suspend(struct usb_interface *intf, pm_message_t message) { - struct usb_streamzap *sz = usb_get_intfdata(intf); + struct streamzap_ir *sz = usb_get_intfdata(intf); - printk(KERN_INFO DRIVER_NAME "[%d]: suspend\n", sz->driver->minor); - if (sz->in_use) { - if (sz->flush) { - sz->flush = 0; - del_timer_sync(&sz->flush_timer); - } + if (sz->flush) { + sz->flush = false; + del_timer_sync(&sz->flush_timer); + } - stop_timer(sz); + streamzap_stop_timer(sz); + + usb_kill_urb(sz->urb_in); - usb_kill_urb(sz->urb_in); - } return 0; } static int streamzap_resume(struct usb_interface *intf) { - struct usb_streamzap *sz = usb_get_intfdata(intf); + struct streamzap_ir *sz = usb_get_intfdata(intf); - lirc_buffer_clear(sz->driver->rbuf); - lirc_buffer_clear(sz->delay_buf); + if (sz->fifo_initialized) + kfifo_reset(&sz->fifo); - if (sz->in_use) { - sz->flush_timer.expires = jiffies + HZ; - sz->flush = 1; - add_timer(&sz->flush_timer); + sz->flush_timer.expires = jiffies + HZ; + sz->flush = true; + add_timer(&sz->flush_timer); - sz->urb_in->dev = sz->udev; - if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { - dprintk("open result = -EIO error submitting urb", - sz->driver->minor); - return -EIO; - } + if (usb_submit_urb(sz->urb_in, GFP_ATOMIC)) { + dev_err(sz->dev, "Error sumbiting urb\n"); + return -EIO; } + return 0; } /** - * usb_streamzap_init + * streamzap_init */ -static int __init usb_streamzap_init(void) +static int __init streamzap_init(void) { - int result; + int ret; /* register this driver with the USB subsystem */ - result = usb_register(&streamzap_driver); - - if (result) { - err("usb_register failed. Error number %d", - result); - return result; - } + ret = usb_register(&streamzap_driver); + if (ret < 0) + printk(KERN_ERR DRIVER_NAME ": usb register failed, " + "result = %d\n", ret); - printk(KERN_INFO DRIVER_NAME " " DRIVER_VERSION " registered\n"); - return 0; + return ret; } /** - * usb_streamzap_exit + * streamzap_exit */ -static void __exit usb_streamzap_exit(void) +static void __exit streamzap_exit(void) { usb_deregister(&streamzap_driver); } -module_init(usb_streamzap_init); -module_exit(usb_streamzap_exit); +module_init(streamzap_init); +module_exit(streamzap_exit); -MODULE_AUTHOR("Christoph Bartelmus, Greg Wickham, Adrian Dewhurst"); +MODULE_AUTHOR("Jarod Wilson <jarod@wilsonet.com>"); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); diff --git a/include/media/rc-map.h b/include/media/rc-map.h index 9569d0863f8..a9c041d4966 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -114,6 +114,7 @@ void rc_map_init(void); #define RC_MAP_PURPLETV "rc-purpletv" #define RC_MAP_PV951 "rc-pv951" #define RC_MAP_RC5_HAUPPAUGE_NEW "rc-rc5-hauppauge-new" +#define RC_MAP_RC5_STREAMZAP "rc-rc5-streamzap" #define RC_MAP_RC5_TV "rc-rc5-tv" #define RC_MAP_RC6_MCE "rc-rc6-mce" #define RC_MAP_REAL_AUDIO_220_32_KEYS "rc-real-audio-220-32-keys" |