diff options
Diffstat (limited to 'drivers/input')
49 files changed, 3558 insertions, 800 deletions
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 6c58bfff01a..118d0300f1f 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -54,16 +54,9 @@ struct evdev_client { static struct evdev *evdev_table[EVDEV_MINORS]; static DEFINE_MUTEX(evdev_table_mutex); -static void evdev_pass_event(struct evdev_client *client, - struct input_event *event, - ktime_t mono, ktime_t real) +static void __pass_event(struct evdev_client *client, + const struct input_event *event) { - event->time = ktime_to_timeval(client->clkid == CLOCK_MONOTONIC ? - mono : real); - - /* Interrupts are disabled, just acquire the lock. */ - spin_lock(&client->buffer_lock); - client->buffer[client->head++] = *event; client->head &= client->bufsize - 1; @@ -86,42 +79,74 @@ static void evdev_pass_event(struct evdev_client *client, client->packet_head = client->head; kill_fasync(&client->fasync, SIGIO, POLL_IN); } +} + +static void evdev_pass_values(struct evdev_client *client, + const struct input_value *vals, unsigned int count, + ktime_t mono, ktime_t real) +{ + struct evdev *evdev = client->evdev; + const struct input_value *v; + struct input_event event; + bool wakeup = false; + + event.time = ktime_to_timeval(client->clkid == CLOCK_MONOTONIC ? + mono : real); + + /* Interrupts are disabled, just acquire the lock. */ + spin_lock(&client->buffer_lock); + + for (v = vals; v != vals + count; v++) { + event.type = v->type; + event.code = v->code; + event.value = v->value; + __pass_event(client, &event); + if (v->type == EV_SYN && v->code == SYN_REPORT) + wakeup = true; + } spin_unlock(&client->buffer_lock); + + if (wakeup) + wake_up_interruptible(&evdev->wait); } /* - * Pass incoming event to all connected clients. + * Pass incoming events to all connected clients. */ -static void evdev_event(struct input_handle *handle, - unsigned int type, unsigned int code, int value) +static void evdev_events(struct input_handle *handle, + const struct input_value *vals, unsigned int count) { struct evdev *evdev = handle->private; struct evdev_client *client; - struct input_event event; ktime_t time_mono, time_real; time_mono = ktime_get(); time_real = ktime_sub(time_mono, ktime_get_monotonic_offset()); - event.type = type; - event.code = code; - event.value = value; - rcu_read_lock(); client = rcu_dereference(evdev->grab); if (client) - evdev_pass_event(client, &event, time_mono, time_real); + evdev_pass_values(client, vals, count, time_mono, time_real); else list_for_each_entry_rcu(client, &evdev->client_list, node) - evdev_pass_event(client, &event, time_mono, time_real); + evdev_pass_values(client, vals, count, + time_mono, time_real); rcu_read_unlock(); +} - if (type == EV_SYN && code == SYN_REPORT) - wake_up_interruptible(&evdev->wait); +/* + * Pass incoming event to all connected clients. + */ +static void evdev_event(struct input_handle *handle, + unsigned int type, unsigned int code, int value) +{ + struct input_value vals[] = { { type, code, value } }; + + evdev_events(handle, vals, 1); } static int evdev_fasync(int fd, struct file *file, int on) @@ -653,20 +678,22 @@ static int evdev_handle_mt_request(struct input_dev *dev, unsigned int size, int __user *ip) { - const struct input_mt_slot *mt = dev->mt; + const struct input_mt *mt = dev->mt; unsigned int code; int max_slots; int i; if (get_user(code, &ip[0])) return -EFAULT; - if (!input_is_mt_value(code)) + if (!mt || !input_is_mt_value(code)) return -EINVAL; max_slots = (size - sizeof(__u32)) / sizeof(__s32); - for (i = 0; i < dev->mtsize && i < max_slots; i++) - if (put_user(input_mt_get_value(&mt[i], code), &ip[1 + i])) + for (i = 0; i < mt->num_slots && i < max_slots; i++) { + int value = input_mt_get_value(&mt->slots[i], code); + if (put_user(value, &ip[1 + i])) return -EFAULT; + } return 0; } @@ -1048,6 +1075,7 @@ MODULE_DEVICE_TABLE(input, evdev_ids); static struct input_handler evdev_handler = { .event = evdev_event, + .events = evdev_events, .connect = evdev_connect, .disconnect = evdev_disconnect, .fops = &evdev_fops, diff --git a/drivers/input/ff-memless.c b/drivers/input/ff-memless.c index 5f558851d64..b107922514f 100644 --- a/drivers/input/ff-memless.c +++ b/drivers/input/ff-memless.c @@ -176,7 +176,7 @@ static int apply_envelope(struct ml_effect_state *state, int value, 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); + envelope_level = min_t(u16, envelope->attack_level, 0x7fff); } else if (envelope->fade_length && effect->replay.length && time_after(now, @@ -184,7 +184,7 @@ static int apply_envelope(struct ml_effect_state *state, int value, time_before(now, state->stop_at)) { time_from_level = jiffies_to_msecs(state->stop_at - now); time_of_envelope = envelope->fade_length; - envelope_level = min_t(__s16, envelope->fade_level, 0x7fff); + envelope_level = min_t(u16, envelope->fade_level, 0x7fff); } else return value; diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index f658086fbbe..c0ec7d42c3b 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -14,6 +14,14 @@ #define TRKID_SGN ((TRKID_MAX + 1) >> 1) +static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src) +{ + if (dev->absinfo && test_bit(src, dev->absbit)) { + dev->absinfo[dst] = dev->absinfo[src]; + dev->absbit[BIT_WORD(dst)] |= BIT_MASK(dst); + } +} + /** * input_mt_init_slots() - initialize MT input slots * @dev: input device supporting MT events and finger tracking @@ -25,29 +33,63 @@ * 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 input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, + unsigned int flags) { + struct input_mt *mt = dev->mt; int i; if (!num_slots) return 0; - if (dev->mt) - return dev->mtsize != num_slots ? -EINVAL : 0; + if (mt) + return mt->num_slots != num_slots ? -EINVAL : 0; - dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL); - if (!dev->mt) - return -ENOMEM; + mt = kzalloc(sizeof(*mt) + num_slots * sizeof(*mt->slots), GFP_KERNEL); + if (!mt) + goto err_mem; - dev->mtsize = num_slots; + mt->num_slots = num_slots; + mt->flags = flags; 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); + + if (flags & (INPUT_MT_POINTER | INPUT_MT_DIRECT)) { + __set_bit(EV_KEY, dev->evbit); + __set_bit(BTN_TOUCH, dev->keybit); + + copy_abs(dev, ABS_X, ABS_MT_POSITION_X); + copy_abs(dev, ABS_Y, ABS_MT_POSITION_Y); + copy_abs(dev, ABS_PRESSURE, ABS_MT_PRESSURE); + } + if (flags & INPUT_MT_POINTER) { + __set_bit(BTN_TOOL_FINGER, dev->keybit); + __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); + if (num_slots >= 3) + __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); + if (num_slots >= 4) + __set_bit(BTN_TOOL_QUADTAP, dev->keybit); + if (num_slots >= 5) + __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); + __set_bit(INPUT_PROP_POINTER, dev->propbit); + } + if (flags & INPUT_MT_DIRECT) + __set_bit(INPUT_PROP_DIRECT, dev->propbit); + if (flags & INPUT_MT_TRACK) { + unsigned int n2 = num_slots * num_slots; + mt->red = kcalloc(n2, sizeof(*mt->red), GFP_KERNEL); + if (!mt->red) + goto err_mem; + } /* Mark slots as 'unused' */ for (i = 0; i < num_slots; i++) - input_mt_set_value(&dev->mt[i], ABS_MT_TRACKING_ID, -1); + input_mt_set_value(&mt->slots[i], ABS_MT_TRACKING_ID, -1); + dev->mt = mt; return 0; +err_mem: + kfree(mt); + return -ENOMEM; } EXPORT_SYMBOL(input_mt_init_slots); @@ -60,11 +102,11 @@ EXPORT_SYMBOL(input_mt_init_slots); */ void input_mt_destroy_slots(struct input_dev *dev) { - kfree(dev->mt); + if (dev->mt) { + kfree(dev->mt->red); + kfree(dev->mt); + } dev->mt = NULL; - dev->mtsize = 0; - dev->slot = 0; - dev->trkid = 0; } EXPORT_SYMBOL(input_mt_destroy_slots); @@ -83,18 +125,24 @@ EXPORT_SYMBOL(input_mt_destroy_slots); void input_mt_report_slot_state(struct input_dev *dev, unsigned int tool_type, bool active) { - struct input_mt_slot *mt; + struct input_mt *mt = dev->mt; + struct input_mt_slot *slot; int id; - if (!dev->mt || !active) { + if (!mt) + return; + + slot = &mt->slots[mt->slot]; + slot->frame = mt->frame; + + if (!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); + id = input_mt_get_value(slot, ABS_MT_TRACKING_ID); + if (id < 0 || input_mt_get_value(slot, ABS_MT_TOOL_TYPE) != tool_type) + id = input_mt_new_trkid(mt); input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id); input_event(dev, EV_ABS, ABS_MT_TOOL_TYPE, tool_type); @@ -135,13 +183,19 @@ EXPORT_SYMBOL(input_mt_report_finger_count); */ 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; + struct input_mt *mt = dev->mt; + struct input_mt_slot *oldest; + int oldid, count, i; + + if (!mt) + return; + + oldest = 0; + oldid = mt->trkid; + count = 0; - for (i = 0; i < dev->mtsize; ++i) { - struct input_mt_slot *ps = &dev->mt[i]; + for (i = 0; i < mt->num_slots; ++i) { + struct input_mt_slot *ps = &mt->slots[i]; int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); if (id < 0) @@ -160,13 +214,208 @@ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_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); + + if (test_bit(ABS_MT_PRESSURE, dev->absbit)) { + int p = input_mt_get_value(oldest, ABS_MT_PRESSURE); + input_event(dev, EV_ABS, ABS_PRESSURE, p); + } } else { - input_event(dev, EV_ABS, ABS_PRESSURE, 0); + if (test_bit(ABS_MT_PRESSURE, dev->absbit)) + input_event(dev, EV_ABS, ABS_PRESSURE, 0); } } EXPORT_SYMBOL(input_mt_report_pointer_emulation); + +/** + * input_mt_sync_frame() - synchronize mt frame + * @dev: input device with allocated MT slots + * + * Close the frame and prepare the internal state for a new one. + * Depending on the flags, marks unused slots as inactive and performs + * pointer emulation. + */ +void input_mt_sync_frame(struct input_dev *dev) +{ + struct input_mt *mt = dev->mt; + struct input_mt_slot *s; + + if (!mt) + return; + + if (mt->flags & INPUT_MT_DROP_UNUSED) { + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (s->frame == mt->frame) + continue; + input_mt_slot(dev, s - mt->slots); + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); + } + } + + input_mt_report_pointer_emulation(dev, (mt->flags & INPUT_MT_POINTER)); + + mt->frame++; +} +EXPORT_SYMBOL(input_mt_sync_frame); + +static int adjust_dual(int *begin, int step, int *end, int eq) +{ + int f, *p, s, c; + + if (begin == end) + return 0; + + f = *begin; + p = begin + step; + s = p == end ? f + 1 : *p; + + for (; p != end; p += step) + if (*p < f) + s = f, f = *p; + else if (*p < s) + s = *p; + + c = (f + s + 1) / 2; + if (c == 0 || (c > 0 && !eq)) + return 0; + if (s < 0) + c *= 2; + + for (p = begin; p != end; p += step) + *p -= c; + + return (c < s && s <= 0) || (f >= 0 && f < c); +} + +static void find_reduced_matrix(int *w, int nr, int nc, int nrc) +{ + int i, k, sum; + + for (k = 0; k < nrc; k++) { + for (i = 0; i < nr; i++) + adjust_dual(w + i, nr, w + i + nrc, nr <= nc); + sum = 0; + for (i = 0; i < nrc; i += nr) + sum += adjust_dual(w + i, 1, w + i + nr, nc <= nr); + if (!sum) + break; + } +} + +static int input_mt_set_matrix(struct input_mt *mt, + const struct input_mt_pos *pos, int num_pos) +{ + const struct input_mt_pos *p; + struct input_mt_slot *s; + int *w = mt->red; + int x, y; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (!input_mt_is_active(s)) + continue; + x = input_mt_get_value(s, ABS_MT_POSITION_X); + y = input_mt_get_value(s, ABS_MT_POSITION_Y); + for (p = pos; p != pos + num_pos; p++) { + int dx = x - p->x, dy = y - p->y; + *w++ = dx * dx + dy * dy; + } + } + + return w - mt->red; +} + +static void input_mt_set_slots(struct input_mt *mt, + int *slots, int num_pos) +{ + struct input_mt_slot *s; + int *w = mt->red, *p; + + for (p = slots; p != slots + num_pos; p++) + *p = -1; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (!input_mt_is_active(s)) + continue; + for (p = slots; p != slots + num_pos; p++) + if (*w++ < 0) + *p = s - mt->slots; + } + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (input_mt_is_active(s)) + continue; + for (p = slots; p != slots + num_pos; p++) + if (*p < 0) { + *p = s - mt->slots; + break; + } + } +} + +/** + * input_mt_assign_slots() - perform a best-match assignment + * @dev: input device with allocated MT slots + * @slots: the slot assignment to be filled + * @pos: the position array to match + * @num_pos: number of positions + * + * Performs a best match against the current contacts and returns + * the slot assignment list. New contacts are assigned to unused + * slots. + * + * Returns zero on success, or negative error in case of failure. + */ +int input_mt_assign_slots(struct input_dev *dev, int *slots, + const struct input_mt_pos *pos, int num_pos) +{ + struct input_mt *mt = dev->mt; + int nrc; + + if (!mt || !mt->red) + return -ENXIO; + if (num_pos > mt->num_slots) + return -EINVAL; + if (num_pos < 1) + return 0; + + nrc = input_mt_set_matrix(mt, pos, num_pos); + find_reduced_matrix(mt->red, num_pos, nrc / num_pos, nrc); + input_mt_set_slots(mt, slots, num_pos); + + return 0; +} +EXPORT_SYMBOL(input_mt_assign_slots); + +/** + * input_mt_get_slot_by_key() - return slot matching key + * @dev: input device with allocated MT slots + * @key: the key of the sought slot + * + * Returns the slot of the given key, if it exists, otherwise + * set the key on the first unused slot and return. + * + * If no available slot can be found, -1 is returned. + */ +int input_mt_get_slot_by_key(struct input_dev *dev, int key) +{ + struct input_mt *mt = dev->mt; + struct input_mt_slot *s; + + if (!mt) + return -1; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) + if (input_mt_is_active(s) && s->key == key) + return s - mt->slots; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) + if (!input_mt_is_active(s)) { + s->key = key; + return s - mt->slots; + } + + return -1; +} +EXPORT_SYMBOL(input_mt_get_slot_by_key); diff --git a/drivers/input/input.c b/drivers/input/input.c index 8921c6180c5..5244f3d05b1 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -47,6 +47,8 @@ static DEFINE_MUTEX(input_mutex); static struct input_handler *input_table[8]; +static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 }; + static inline int is_event_supported(unsigned int code, unsigned long *bm, unsigned int max) { @@ -69,42 +71,102 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz) return value; } +static void input_start_autorepeat(struct input_dev *dev, int code) +{ + if (test_bit(EV_REP, dev->evbit) && + dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && + dev->timer.data) { + dev->repeat_key = code; + mod_timer(&dev->timer, + jiffies + msecs_to_jiffies(dev->rep[REP_DELAY])); + } +} + +static void input_stop_autorepeat(struct input_dev *dev) +{ + del_timer(&dev->timer); +} + /* * Pass event first through all filters and then, if event has not been * filtered out, through all open handles. This function is called with * dev->event_lock held and interrupts disabled. */ -static void input_pass_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) +static unsigned int input_to_handler(struct input_handle *handle, + struct input_value *vals, unsigned int count) +{ + struct input_handler *handler = handle->handler; + struct input_value *end = vals; + struct input_value *v; + + for (v = vals; v != vals + count; v++) { + if (handler->filter && + handler->filter(handle, v->type, v->code, v->value)) + continue; + if (end != v) + *end = *v; + end++; + } + + count = end - vals; + if (!count) + return 0; + + if (handler->events) + handler->events(handle, vals, count); + else if (handler->event) + for (v = vals; v != end; v++) + handler->event(handle, v->type, v->code, v->value); + + return count; +} + +/* + * Pass values first through all filters and then, if event has not been + * filtered out, through all open handles. This function is called with + * dev->event_lock held and interrupts disabled. + */ +static void input_pass_values(struct input_dev *dev, + struct input_value *vals, unsigned int count) { - struct input_handler *handler; struct input_handle *handle; + struct input_value *v; + + if (!count) + return; rcu_read_lock(); handle = rcu_dereference(dev->grab); - if (handle) - handle->handler->event(handle, type, code, value); - else { - bool filtered = false; - - list_for_each_entry_rcu(handle, &dev->h_list, d_node) { - if (!handle->open) - continue; + if (handle) { + count = input_to_handler(handle, vals, count); + } else { + list_for_each_entry_rcu(handle, &dev->h_list, d_node) + if (handle->open) + count = input_to_handler(handle, vals, count); + } - handler = handle->handler; - if (!handler->filter) { - if (filtered) - break; + rcu_read_unlock(); - handler->event(handle, type, code, value); + add_input_randomness(vals->type, vals->code, vals->value); - } else if (handler->filter(handle, type, code, value)) - filtered = true; + /* trigger auto repeat for key events */ + for (v = vals; v != vals + count; v++) { + if (v->type == EV_KEY && v->value != 2) { + if (v->value) + input_start_autorepeat(dev, v->code); + else + input_stop_autorepeat(dev); } } +} - rcu_read_unlock(); +static void input_pass_event(struct input_dev *dev, + unsigned int type, unsigned int code, int value) +{ + struct input_value vals[] = { { type, code, value } }; + + input_pass_values(dev, vals, ARRAY_SIZE(vals)); } /* @@ -121,18 +183,12 @@ 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)) { + struct input_value vals[] = { + { EV_KEY, dev->repeat_key, 2 }, + input_value_sync + }; - input_pass_event(dev, EV_KEY, dev->repeat_key, 2); - - if (dev->sync) { - /* - * Only send SYN_REPORT if we are not in a middle - * of driver parsing a new hardware packet. - * Otherwise assume that the driver will send - * SYN_REPORT once it's done. - */ - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); - } + input_pass_values(dev, vals, ARRAY_SIZE(vals)); if (dev->rep[REP_PERIOD]) mod_timer(&dev->timer, jiffies + @@ -142,30 +198,17 @@ static void input_repeat_key(unsigned long data) spin_unlock_irqrestore(&dev->event_lock, flags); } -static void input_start_autorepeat(struct input_dev *dev, int code) -{ - if (test_bit(EV_REP, dev->evbit) && - dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && - dev->timer.data) { - dev->repeat_key = code; - mod_timer(&dev->timer, - jiffies + msecs_to_jiffies(dev->rep[REP_DELAY])); - } -} - -static void input_stop_autorepeat(struct input_dev *dev) -{ - del_timer(&dev->timer); -} - #define INPUT_IGNORE_EVENT 0 #define INPUT_PASS_TO_HANDLERS 1 #define INPUT_PASS_TO_DEVICE 2 +#define INPUT_SLOT 4 +#define INPUT_FLUSH 8 #define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE) static int input_handle_abs_event(struct input_dev *dev, unsigned int code, int *pval) { + struct input_mt *mt = dev->mt; bool is_mt_event; int *pold; @@ -174,8 +217,8 @@ static int input_handle_abs_event(struct input_dev *dev, * "Stage" the event; we'll flush it later, when we * get actual touch data. */ - if (*pval >= 0 && *pval < dev->mtsize) - dev->slot = *pval; + if (mt && *pval >= 0 && *pval < mt->num_slots) + mt->slot = *pval; return INPUT_IGNORE_EVENT; } @@ -184,9 +227,8 @@ static int input_handle_abs_event(struct input_dev *dev, if (!is_mt_event) { pold = &dev->absinfo[code].value; - } else if (dev->mt) { - struct input_mt_slot *mtslot = &dev->mt[dev->slot]; - pold = &mtslot->abs[code - ABS_MT_FIRST]; + } else if (mt) { + pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST]; } else { /* * Bypass filtering for multi-touch events when @@ -205,16 +247,16 @@ 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, EV_ABS, ABS_MT_SLOT, dev->slot); + if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { + input_abs_set_val(dev, ABS_MT_SLOT, mt->slot); + return INPUT_PASS_TO_HANDLERS | INPUT_SLOT; } return INPUT_PASS_TO_HANDLERS; } -static void input_handle_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) +static int input_get_disposition(struct input_dev *dev, + unsigned int type, unsigned int code, int value) { int disposition = INPUT_IGNORE_EVENT; @@ -227,37 +269,34 @@ static void input_handle_event(struct input_dev *dev, break; case SYN_REPORT: - if (!dev->sync) { - dev->sync = true; - disposition = INPUT_PASS_TO_HANDLERS; - } + disposition = INPUT_PASS_TO_HANDLERS | INPUT_FLUSH; break; case SYN_MT_REPORT: - dev->sync = false; disposition = INPUT_PASS_TO_HANDLERS; break; } break; case EV_KEY: - if (is_event_supported(code, dev->keybit, KEY_MAX) && - !!test_bit(code, dev->key) != value) { + if (is_event_supported(code, dev->keybit, KEY_MAX)) { - if (value != 2) { - __change_bit(code, dev->key); - if (value) - input_start_autorepeat(dev, code); - else - input_stop_autorepeat(dev); + /* auto-repeat bypasses state updates */ + if (value == 2) { + disposition = INPUT_PASS_TO_HANDLERS; + break; } - disposition = INPUT_PASS_TO_HANDLERS; + if (!!test_bit(code, dev->key) != !!value) { + + __change_bit(code, dev->key); + disposition = INPUT_PASS_TO_HANDLERS; + } } break; case EV_SW: if (is_event_supported(code, dev->swbit, SW_MAX) && - !!test_bit(code, dev->sw) != value) { + !!test_bit(code, dev->sw) != !!value) { __change_bit(code, dev->sw); disposition = INPUT_PASS_TO_HANDLERS; @@ -284,7 +323,7 @@ static void input_handle_event(struct input_dev *dev, case EV_LED: if (is_event_supported(code, dev->ledbit, LED_MAX) && - !!test_bit(code, dev->led) != value) { + !!test_bit(code, dev->led) != !!value) { __change_bit(code, dev->led); disposition = INPUT_PASS_TO_ALL; @@ -317,14 +356,48 @@ static void input_handle_event(struct input_dev *dev, break; } - if (disposition != INPUT_IGNORE_EVENT && type != EV_SYN) - dev->sync = false; + return disposition; +} + +static void input_handle_event(struct input_dev *dev, + unsigned int type, unsigned int code, int value) +{ + int disposition; + + disposition = input_get_disposition(dev, type, code, value); if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event) dev->event(dev, type, code, value); - if (disposition & INPUT_PASS_TO_HANDLERS) - input_pass_event(dev, type, code, value); + if (!dev->vals) + return; + + if (disposition & INPUT_PASS_TO_HANDLERS) { + struct input_value *v; + + if (disposition & INPUT_SLOT) { + v = &dev->vals[dev->num_vals++]; + v->type = EV_ABS; + v->code = ABS_MT_SLOT; + v->value = dev->mt->slot; + } + + v = &dev->vals[dev->num_vals++]; + v->type = type; + v->code = code; + v->value = value; + } + + if (disposition & INPUT_FLUSH) { + if (dev->num_vals >= 2) + input_pass_values(dev, dev->vals, dev->num_vals); + dev->num_vals = 0; + } else if (dev->num_vals >= dev->max_vals - 2) { + dev->vals[dev->num_vals++] = input_value_sync; + input_pass_values(dev, dev->vals, dev->num_vals); + dev->num_vals = 0; + } + } /** @@ -352,7 +425,6 @@ void input_event(struct input_dev *dev, if (is_event_supported(type, dev->evbit, EV_MAX)) { spin_lock_irqsave(&dev->event_lock, flags); - add_input_randomness(type, code, value); input_handle_event(dev, type, code, value); spin_unlock_irqrestore(&dev->event_lock, flags); } @@ -831,10 +903,12 @@ int input_set_keycode(struct input_dev *dev, if (test_bit(EV_KEY, dev->evbit) && !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && __test_and_clear_bit(old_keycode, dev->key)) { + struct input_value vals[] = { + { EV_KEY, old_keycode, 0 }, + input_value_sync + }; - input_pass_event(dev, EV_KEY, old_keycode, 0); - if (dev->sync) - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_values(dev, vals, ARRAY_SIZE(vals)); } out: @@ -1416,6 +1490,7 @@ static void input_dev_release(struct device *device) input_ff_destroy(dev); input_mt_destroy_slots(dev); kfree(dev->absinfo); + kfree(dev->vals); kfree(dev); module_put(THIS_MODULE); @@ -1751,8 +1826,8 @@ static unsigned int input_estimate_events_per_packet(struct input_dev *dev) int i; unsigned int events; - if (dev->mtsize) { - mt_slots = dev->mtsize; + if (dev->mt) { + mt_slots = dev->mt->num_slots; } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) { mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum - dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1, @@ -1778,6 +1853,9 @@ static unsigned int input_estimate_events_per_packet(struct input_dev *dev) if (test_bit(i, dev->relbit)) events++; + /* Make room for KEY and MSC events */ + events += 7; + return events; } @@ -1816,6 +1894,7 @@ int input_register_device(struct input_dev *dev) { static atomic_t input_no = ATOMIC_INIT(0); struct input_handler *handler; + unsigned int packet_size; const char *path; int error; @@ -1828,9 +1907,14 @@ int input_register_device(struct input_dev *dev) /* Make sure that bitmasks not mentioned in dev->evbit are clean. */ input_cleanse_bitmasks(dev); - if (!dev->hint_events_per_packet) - dev->hint_events_per_packet = - input_estimate_events_per_packet(dev); + packet_size = input_estimate_events_per_packet(dev); + if (dev->hint_events_per_packet < packet_size) + dev->hint_events_per_packet = packet_size; + + dev->max_vals = max(dev->hint_events_per_packet, packet_size) + 2; + dev->vals = kcalloc(dev->max_vals, sizeof(*dev->vals), GFP_KERNEL); + if (!dev->vals) + return -ENOMEM; /* * If delay and period are pre-set by the driver, then autorepeating diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index c0e11ecc646..c50fa75416f 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -332,6 +332,16 @@ config KEYBOARD_LOCOMO To compile this driver as a module, choose M here: the module will be called locomokbd. +config KEYBOARD_LPC32XX + tristate "LPC32XX matrix key scanner support" + depends on ARCH_LPC32XX && OF + help + Say Y here if you want to use NXP LPC32XX SoC key scanner interface, + connected to a key matrix. + + To compile this driver as a module, choose M here: the + module will be called lpc32xx-keys. + config KEYBOARD_MAPLE tristate "Maple bus keyboard" depends on SH_DREAMCAST && MAPLE diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile index b03b02456a8..44e76002f54 100644 --- a/drivers/input/keyboard/Makefile +++ b/drivers/input/keyboard/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_KEYBOARD_LKKBD) += lkkbd.o obj-$(CONFIG_KEYBOARD_LM8323) += lm8323.o obj-$(CONFIG_KEYBOARD_LM8333) += lm8333.o obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o +obj-$(CONFIG_KEYBOARD_LPC32XX) += lpc32xx-keys.o obj-$(CONFIG_KEYBOARD_MAPLE) += maple_keyb.o obj-$(CONFIG_KEYBOARD_MATRIX) += matrix_keypad.o obj-$(CONFIG_KEYBOARD_MAX7359) += max7359_keypad.o diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index 62bfce468f9..cbb1add43d5 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -559,7 +559,6 @@ static int gpio_keys_get_devtree_pdata(struct device *dev, pdata->rep = !!of_get_property(node, "autorepeat", NULL); /* First count the subnodes */ - pdata->nbuttons = 0; pp = NULL; while ((pp = of_get_next_child(node, pp))) pdata->nbuttons++; diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c index 6ee7421e232..cdc252612c0 100644 --- a/drivers/input/keyboard/imx_keypad.c +++ b/drivers/input/keyboard/imx_keypad.c @@ -358,6 +358,7 @@ static void imx_keypad_inhibit(struct imx_keypad *keypad) /* Inhibit KDI and KRI interrupts. */ reg_val = readw(keypad->mmio_base + KPSR); reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE); + reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD; writew(reg_val, keypad->mmio_base + KPSR); /* Colums as open drain and disable all rows */ @@ -378,20 +379,24 @@ static void imx_keypad_close(struct input_dev *dev) imx_keypad_inhibit(keypad); /* Disable clock unit */ - clk_disable(keypad->clk); + clk_disable_unprepare(keypad->clk); } static int imx_keypad_open(struct input_dev *dev) { struct imx_keypad *keypad = input_get_drvdata(dev); + int error; dev_dbg(&dev->dev, ">%s\n", __func__); + /* Enable the kpp clock */ + error = clk_prepare_enable(keypad->clk); + if (error) + return error; + /* We became active from now */ keypad->enabled = true; - /* Enable the kpp clock */ - clk_enable(keypad->clk); imx_keypad_config(keypad); /* Sanity control, not all the rows must be actived now. */ @@ -467,7 +472,7 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev) goto failed_free_priv; } - keypad->clk = clk_get(&pdev->dev, "kpp"); + keypad->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(keypad->clk)) { dev_err(&pdev->dev, "failed to get keypad clock\n"); error = PTR_ERR(keypad->clk); @@ -511,7 +516,9 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev) input_set_drvdata(input_dev, keypad); /* Ensure that the keypad will stay dormant until opened */ + clk_prepare_enable(keypad->clk); imx_keypad_inhibit(keypad); + clk_disable_unprepare(keypad->clk); error = request_irq(irq, imx_keypad_irq_handler, 0, pdev->name, keypad); @@ -581,7 +588,7 @@ static int imx_kbd_suspend(struct device *dev) mutex_lock(&input_dev->mutex); if (input_dev->users) - clk_disable(kbd->clk); + clk_disable_unprepare(kbd->clk); mutex_unlock(&input_dev->mutex); @@ -596,18 +603,23 @@ static int imx_kbd_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct imx_keypad *kbd = platform_get_drvdata(pdev); struct input_dev *input_dev = kbd->input_dev; + int ret = 0; if (device_may_wakeup(&pdev->dev)) disable_irq_wake(kbd->irq); mutex_lock(&input_dev->mutex); - if (input_dev->users) - clk_enable(kbd->clk); + if (input_dev->users) { + ret = clk_prepare_enable(kbd->clk); + if (ret) + goto err_clk; + } +err_clk: mutex_unlock(&input_dev->mutex); - return 0; + return ret; } #endif diff --git a/drivers/input/keyboard/lm8333.c b/drivers/input/keyboard/lm8333.c index ca168a6679d..081fd9effa8 100644 --- a/drivers/input/keyboard/lm8333.c +++ b/drivers/input/keyboard/lm8333.c @@ -91,7 +91,7 @@ static void lm8333_key_handler(struct lm8333 *lm8333) return; } - for (i = 0; keys[i] && i < LM8333_FIFO_TRANSFER_SIZE; i++) { + for (i = 0; i < LM8333_FIFO_TRANSFER_SIZE && keys[i]; i++) { pressed = keys[i] & 0x80; code = keys[i] & 0x7f; diff --git a/drivers/input/keyboard/lpc32xx-keys.c b/drivers/input/keyboard/lpc32xx-keys.c new file mode 100644 index 00000000000..dd786c8a758 --- /dev/null +++ b/drivers/input/keyboard/lpc32xx-keys.c @@ -0,0 +1,394 @@ +/* + * NXP LPC32xx SoC Key Scan Interface + * + * Authors: + * Kevin Wells <kevin.wells@nxp.com> + * Roland Stigge <stigge@antcom.de> + * + * Copyright (C) 2010 NXP Semiconductors + * Copyright (C) 2012 Roland Stigge + * + * 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. + * + * + * This controller supports square key matrices from 1x1 up to 8x8 + */ + +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/irq.h> +#include <linux/pm.h> +#include <linux/platform_device.h> +#include <linux/input.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/input/matrix_keypad.h> + +#define DRV_NAME "lpc32xx_keys" + +/* + * Key scanner register offsets + */ +#define LPC32XX_KS_DEB(x) ((x) + 0x00) +#define LPC32XX_KS_STATE_COND(x) ((x) + 0x04) +#define LPC32XX_KS_IRQ(x) ((x) + 0x08) +#define LPC32XX_KS_SCAN_CTL(x) ((x) + 0x0C) +#define LPC32XX_KS_FAST_TST(x) ((x) + 0x10) +#define LPC32XX_KS_MATRIX_DIM(x) ((x) + 0x14) /* 1..8 */ +#define LPC32XX_KS_DATA(x, y) ((x) + 0x40 + ((y) << 2)) + +#define LPC32XX_KSCAN_DEB_NUM_DEB_PASS(n) ((n) & 0xFF) + +#define LPC32XX_KSCAN_SCOND_IN_IDLE 0x0 +#define LPC32XX_KSCAN_SCOND_IN_SCANONCE 0x1 +#define LPC32XX_KSCAN_SCOND_IN_IRQGEN 0x2 +#define LPC32XX_KSCAN_SCOND_IN_SCAN_MATRIX 0x3 + +#define LPC32XX_KSCAN_IRQ_PENDING_CLR 0x1 + +#define LPC32XX_KSCAN_SCTRL_SCAN_DELAY(n) ((n) & 0xFF) + +#define LPC32XX_KSCAN_FTST_FORCESCANONCE 0x1 +#define LPC32XX_KSCAN_FTST_USE32K_CLK 0x2 + +#define LPC32XX_KSCAN_MSEL_SELECT(n) ((n) & 0xF) + +struct lpc32xx_kscan_drv { + struct input_dev *input; + struct clk *clk; + struct resource *iores; + void __iomem *kscan_base; + unsigned int irq; + + u32 matrix_sz; /* Size of matrix in XxY, ie. 3 = 3x3 */ + u32 deb_clks; /* Debounce clocks (based on 32KHz clock) */ + u32 scan_delay; /* Scan delay (based on 32KHz clock) */ + + unsigned short *keymap; /* Pointer to key map for the scan matrix */ + unsigned int row_shift; + + u8 lastkeystates[8]; +}; + +static void lpc32xx_mod_states(struct lpc32xx_kscan_drv *kscandat, int col) +{ + struct input_dev *input = kscandat->input; + unsigned row, changed, scancode, keycode; + u8 key; + + key = readl(LPC32XX_KS_DATA(kscandat->kscan_base, col)); + changed = key ^ kscandat->lastkeystates[col]; + kscandat->lastkeystates[col] = key; + + for (row = 0; changed; row++, changed >>= 1) { + if (changed & 1) { + /* Key state changed, signal an event */ + scancode = MATRIX_SCAN_CODE(row, col, + kscandat->row_shift); + keycode = kscandat->keymap[scancode]; + input_event(input, EV_MSC, MSC_SCAN, scancode); + input_report_key(input, keycode, key & (1 << row)); + } + } +} + +static irqreturn_t lpc32xx_kscan_irq(int irq, void *dev_id) +{ + struct lpc32xx_kscan_drv *kscandat = dev_id; + int i; + + for (i = 0; i < kscandat->matrix_sz; i++) + lpc32xx_mod_states(kscandat, i); + + writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); + + input_sync(kscandat->input); + + return IRQ_HANDLED; +} + +static int lpc32xx_kscan_open(struct input_dev *dev) +{ + struct lpc32xx_kscan_drv *kscandat = input_get_drvdata(dev); + int error; + + error = clk_prepare_enable(kscandat->clk); + if (error) + return error; + + writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); + + return 0; +} + +static void lpc32xx_kscan_close(struct input_dev *dev) +{ + struct lpc32xx_kscan_drv *kscandat = input_get_drvdata(dev); + + writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); + clk_disable_unprepare(kscandat->clk); +} + +static int __devinit lpc32xx_parse_dt(struct device *dev, + struct lpc32xx_kscan_drv *kscandat) +{ + struct device_node *np = dev->of_node; + u32 rows = 0, columns = 0; + + of_property_read_u32(np, "keypad,num-rows", &rows); + of_property_read_u32(np, "keypad,num-columns", &columns); + if (!rows || rows != columns) { + dev_err(dev, + "rows and columns must be specified and be equal!\n"); + return -EINVAL; + } + + kscandat->matrix_sz = rows; + kscandat->row_shift = get_count_order(columns); + + of_property_read_u32(np, "nxp,debounce-delay-ms", &kscandat->deb_clks); + of_property_read_u32(np, "nxp,scan-delay-ms", &kscandat->scan_delay); + if (!kscandat->deb_clks || !kscandat->scan_delay) { + dev_err(dev, "debounce or scan delay not specified\n"); + return -EINVAL; + } + + return 0; +} + +static int __devinit lpc32xx_kscan_probe(struct platform_device *pdev) +{ + struct lpc32xx_kscan_drv *kscandat; + struct input_dev *input; + struct resource *res; + size_t keymap_size; + int error; + int irq; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { + dev_err(&pdev->dev, "failed to get platform I/O memory\n"); + return -EINVAL; + } + + irq = platform_get_irq(pdev, 0); + if (irq < 0 || irq >= NR_IRQS) { + dev_err(&pdev->dev, "failed to get platform irq\n"); + return -EINVAL; + } + + kscandat = kzalloc(sizeof(struct lpc32xx_kscan_drv), GFP_KERNEL); + if (!kscandat) { + dev_err(&pdev->dev, "failed to allocate memory\n"); + return -ENOMEM; + } + + error = lpc32xx_parse_dt(&pdev->dev, kscandat); + if (error) { + dev_err(&pdev->dev, "failed to parse device tree\n"); + goto err_free_mem; + } + + keymap_size = sizeof(kscandat->keymap[0]) * + (kscandat->matrix_sz << kscandat->row_shift); + kscandat->keymap = kzalloc(keymap_size, GFP_KERNEL); + if (!kscandat->keymap) { + dev_err(&pdev->dev, "could not allocate memory for keymap\n"); + error = -ENOMEM; + goto err_free_mem; + } + + kscandat->input = input = input_allocate_device(); + if (!input) { + dev_err(&pdev->dev, "failed to allocate input device\n"); + error = -ENOMEM; + goto err_free_keymap; + } + + /* Setup key input */ + input->name = pdev->name; + input->phys = "lpc32xx/input0"; + input->id.vendor = 0x0001; + input->id.product = 0x0001; + input->id.version = 0x0100; + input->open = lpc32xx_kscan_open; + input->close = lpc32xx_kscan_close; + input->dev.parent = &pdev->dev; + + input_set_capability(input, EV_MSC, MSC_SCAN); + + error = matrix_keypad_build_keymap(NULL, NULL, + kscandat->matrix_sz, + kscandat->matrix_sz, + kscandat->keymap, kscandat->input); + if (error) { + dev_err(&pdev->dev, "failed to build keymap\n"); + goto err_free_input; + } + + input_set_drvdata(kscandat->input, kscandat); + + kscandat->iores = request_mem_region(res->start, resource_size(res), + pdev->name); + if (!kscandat->iores) { + dev_err(&pdev->dev, "failed to request I/O memory\n"); + error = -EBUSY; + goto err_free_input; + } + + kscandat->kscan_base = ioremap(kscandat->iores->start, + resource_size(kscandat->iores)); + if (!kscandat->kscan_base) { + dev_err(&pdev->dev, "failed to remap I/O memory\n"); + error = -EBUSY; + goto err_release_memregion; + } + + /* Get the key scanner clock */ + kscandat->clk = clk_get(&pdev->dev, NULL); + if (IS_ERR(kscandat->clk)) { + dev_err(&pdev->dev, "failed to get clock\n"); + error = PTR_ERR(kscandat->clk); + goto err_unmap; + } + + /* Configure the key scanner */ + error = clk_prepare_enable(kscandat->clk); + if (error) + goto err_clk_put; + + writel(kscandat->deb_clks, LPC32XX_KS_DEB(kscandat->kscan_base)); + writel(kscandat->scan_delay, LPC32XX_KS_SCAN_CTL(kscandat->kscan_base)); + writel(LPC32XX_KSCAN_FTST_USE32K_CLK, + LPC32XX_KS_FAST_TST(kscandat->kscan_base)); + writel(kscandat->matrix_sz, + LPC32XX_KS_MATRIX_DIM(kscandat->kscan_base)); + writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); + clk_disable_unprepare(kscandat->clk); + + error = request_irq(irq, lpc32xx_kscan_irq, 0, pdev->name, kscandat); + if (error) { + dev_err(&pdev->dev, "failed to request irq\n"); + goto err_clk_put; + } + + error = input_register_device(kscandat->input); + if (error) { + dev_err(&pdev->dev, "failed to register input device\n"); + goto err_free_irq; + } + + platform_set_drvdata(pdev, kscandat); + return 0; + +err_free_irq: + free_irq(irq, kscandat); +err_clk_put: + clk_put(kscandat->clk); +err_unmap: + iounmap(kscandat->kscan_base); +err_release_memregion: + release_mem_region(kscandat->iores->start, + resource_size(kscandat->iores)); +err_free_input: + input_free_device(kscandat->input); +err_free_keymap: + kfree(kscandat->keymap); +err_free_mem: + kfree(kscandat); + + return error; +} + +static int __devexit lpc32xx_kscan_remove(struct platform_device *pdev) +{ + struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev); + + free_irq(platform_get_irq(pdev, 0), kscandat); + clk_put(kscandat->clk); + iounmap(kscandat->kscan_base); + release_mem_region(kscandat->iores->start, + resource_size(kscandat->iores)); + input_unregister_device(kscandat->input); + kfree(kscandat->keymap); + kfree(kscandat); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int lpc32xx_kscan_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev); + struct input_dev *input = kscandat->input; + + mutex_lock(&input->mutex); + + if (input->users) { + /* Clear IRQ and disable clock */ + writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); + clk_disable_unprepare(kscandat->clk); + } + + mutex_unlock(&input->mutex); + return 0; +} + +static int lpc32xx_kscan_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct lpc32xx_kscan_drv *kscandat = platform_get_drvdata(pdev); + struct input_dev *input = kscandat->input; + int retval = 0; + + mutex_lock(&input->mutex); + + if (input->users) { + /* Enable clock and clear IRQ */ + retval = clk_prepare_enable(kscandat->clk); + if (retval == 0) + writel(1, LPC32XX_KS_IRQ(kscandat->kscan_base)); + } + + mutex_unlock(&input->mutex); + return retval; +} +#endif + +static SIMPLE_DEV_PM_OPS(lpc32xx_kscan_pm_ops, lpc32xx_kscan_suspend, + lpc32xx_kscan_resume); + +static const struct of_device_id lpc32xx_kscan_match[] = { + { .compatible = "nxp,lpc3220-key" }, + {}, +}; +MODULE_DEVICE_TABLE(of, lpc32xx_kscan_match); + +static struct platform_driver lpc32xx_kscan_driver = { + .probe = lpc32xx_kscan_probe, + .remove = __devexit_p(lpc32xx_kscan_remove), + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + .pm = &lpc32xx_kscan_pm_ops, + .of_match_table = of_match_ptr(lpc32xx_kscan_match), + } +}; + +module_platform_driver(lpc32xx_kscan_driver); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Kevin Wells <kevin.wells@nxp.com>"); +MODULE_AUTHOR("Roland Stigge <stigge@antcom.de>"); +MODULE_DESCRIPTION("Key scanner driver for LPC32XX devices"); diff --git a/drivers/input/keyboard/nomadik-ske-keypad.c b/drivers/input/keyboard/nomadik-ske-keypad.c index 4ea4341a68c..a880e741420 100644 --- a/drivers/input/keyboard/nomadik-ske-keypad.c +++ b/drivers/input/keyboard/nomadik-ske-keypad.c @@ -49,6 +49,7 @@ #define SKE_ASR3 0x2C #define SKE_NUM_ASRX_REGISTERS (4) +#define KEY_PRESSED_DELAY 10 /** * struct ske_keypad - data structure used by keypad driver @@ -92,7 +93,7 @@ static void ske_keypad_set_bits(struct ske_keypad *keypad, u16 addr, static int __init ske_keypad_chip_init(struct ske_keypad *keypad) { u32 value; - int timeout = 50; + int timeout = keypad->board->debounce_ms; /* check SKE_RIS to be 0 */ while ((readl(keypad->reg_base + SKE_RIS) != 0x00000000) && timeout--) @@ -135,12 +136,37 @@ static int __init ske_keypad_chip_init(struct ske_keypad *keypad) return 0; } -static void ske_keypad_read_data(struct ske_keypad *keypad) +static void ske_keypad_report(struct ske_keypad *keypad, u8 status, int col) { + int row = 0, code, pos; struct input_dev *input = keypad->input; - u16 status; - int col = 0, row = 0, code; - int ske_asr, ske_ris, key_pressed, i; + u32 ske_ris; + int key_pressed; + int num_of_rows; + + /* find out the row */ + num_of_rows = hweight8(status); + do { + pos = __ffs(status); + row = pos; + status &= ~(1 << pos); + + code = MATRIX_SCAN_CODE(row, col, SKE_KEYPAD_ROW_SHIFT); + ske_ris = readl(keypad->reg_base + SKE_RIS); + key_pressed = ske_ris & SKE_KPRISA; + + input_event(input, EV_MSC, MSC_SCAN, code); + input_report_key(input, keypad->keymap[code], key_pressed); + input_sync(input); + num_of_rows--; + } while (num_of_rows); +} + +static void ske_keypad_read_data(struct ske_keypad *keypad) +{ + u8 status; + int col = 0; + int ske_asr, i; /* * Read the auto scan registers @@ -154,44 +180,38 @@ static void ske_keypad_read_data(struct ske_keypad *keypad) if (!ske_asr) continue; - /* now that ASRx is zero, find out the column x and row y*/ - if (ske_asr & 0xff) { + /* now that ASRx is zero, find out the coloumn x and row y */ + status = ske_asr & 0xff; + if (status) { col = i * 2; - status = ske_asr & 0xff; - } else { + ske_keypad_report(keypad, status, col); + } + status = (ske_asr & 0xff00) >> 8; + if (status) { col = (i * 2) + 1; - status = (ske_asr & 0xff00) >> 8; + ske_keypad_report(keypad, status, col); } - - /* find out the row */ - row = __ffs(status); - - code = MATRIX_SCAN_CODE(row, col, SKE_KEYPAD_ROW_SHIFT); - ske_ris = readl(keypad->reg_base + SKE_RIS); - key_pressed = ske_ris & SKE_KPRISA; - - input_event(input, EV_MSC, MSC_SCAN, code); - input_report_key(input, keypad->keymap[code], key_pressed); - input_sync(input); } } static irqreturn_t ske_keypad_irq(int irq, void *dev_id) { struct ske_keypad *keypad = dev_id; - int retries = 20; + int timeout = keypad->board->debounce_ms; /* disable auto scan interrupt; mask the interrupt generated */ ske_keypad_set_bits(keypad, SKE_IMSC, ~SKE_KPIMA, 0x0); ske_keypad_set_bits(keypad, SKE_ICR, 0x0, SKE_KPICA); - while ((readl(keypad->reg_base + SKE_CR) & SKE_KPASON) && --retries) - msleep(5); + while ((readl(keypad->reg_base + SKE_CR) & SKE_KPASON) && --timeout) + cpu_relax(); - if (retries) { - /* SKEx registers are stable and can be read */ - ske_keypad_read_data(keypad); - } + /* SKEx registers are stable and can be read */ + ske_keypad_read_data(keypad); + + /* wait until raw interrupt is clear */ + while ((readl(keypad->reg_base + SKE_RIS)) && --timeout) + msleep(KEY_PRESSED_DELAY); /* enable auto scan interrupts */ ske_keypad_set_bits(keypad, SKE_IMSC, 0x0, SKE_KPIMA); diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index aed5f6999ce..c05f98c4141 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -27,6 +27,7 @@ #include <linux/platform_device.h> #include <linux/errno.h> #include <linux/io.h> +#include <linux/of.h> #include <linux/input.h> #include <linux/slab.h> #include <linux/pm_runtime.h> @@ -84,8 +85,9 @@ struct omap4_keypad { u32 reg_offset; u32 irqreg_offset; unsigned int row_shift; + bool no_autorepeat; unsigned char key_state[8]; - unsigned short keymap[]; + unsigned short *keymap; }; static int kbd_readl(struct omap4_keypad *keypad_data, u32 offset) @@ -208,25 +210,51 @@ static void omap4_keypad_close(struct input_dev *input) pm_runtime_put_sync(input->dev.parent); } +#ifdef CONFIG_OF +static int __devinit omap4_keypad_parse_dt(struct device *dev, + struct omap4_keypad *keypad_data) +{ + struct device_node *np = dev->of_node; + + if (!np) { + dev_err(dev, "missing DT data"); + return -EINVAL; + } + + of_property_read_u32(np, "keypad,num-rows", &keypad_data->rows); + of_property_read_u32(np, "keypad,num-columns", &keypad_data->cols); + if (!keypad_data->rows || !keypad_data->cols) { + dev_err(dev, "number of keypad rows/columns not specified\n"); + return -EINVAL; + } + + if (of_get_property(np, "linux,input-no-autorepeat", NULL)) + keypad_data->no_autorepeat = true; + + return 0; +} +#else +static inline int omap4_keypad_parse_dt(struct device *dev, + struct omap4_keypad *keypad_data) +{ + return -ENOSYS; +} +#endif + static int __devinit omap4_keypad_probe(struct platform_device *pdev) { - const struct omap4_keypad_platform_data *pdata; + const struct omap4_keypad_platform_data *pdata = + dev_get_platdata(&pdev->dev); + const struct matrix_keymap_data *keymap_data = + pdata ? pdata->keymap_data : NULL; struct omap4_keypad *keypad_data; struct input_dev *input_dev; struct resource *res; - resource_size_t size; - unsigned int row_shift, max_keys; + unsigned int max_keys; int rev; int irq; int error; - /* platform data */ - pdata = pdev->dev.platform_data; - if (!pdata) { - dev_err(&pdev->dev, "no platform data defined\n"); - return -EINVAL; - } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(&pdev->dev, "no base address specified\n"); @@ -239,25 +267,24 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) return -EINVAL; } - if (!pdata->keymap_data) { - dev_err(&pdev->dev, "no keymap data defined\n"); - return -EINVAL; - } - - row_shift = get_count_order(pdata->cols); - max_keys = pdata->rows << row_shift; - - keypad_data = kzalloc(sizeof(struct omap4_keypad) + - max_keys * sizeof(keypad_data->keymap[0]), - GFP_KERNEL); + keypad_data = kzalloc(sizeof(struct omap4_keypad), GFP_KERNEL); if (!keypad_data) { dev_err(&pdev->dev, "keypad_data memory allocation failed\n"); return -ENOMEM; } - size = resource_size(res); + keypad_data->irq = irq; + + if (pdata) { + keypad_data->rows = pdata->rows; + keypad_data->cols = pdata->cols; + } else { + error = omap4_keypad_parse_dt(&pdev->dev, keypad_data); + if (error) + return error; + } - res = request_mem_region(res->start, size, pdev->name); + res = request_mem_region(res->start, resource_size(res), pdev->name); if (!res) { dev_err(&pdev->dev, "can't request mem region\n"); error = -EBUSY; @@ -271,15 +298,11 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) goto err_release_mem; } - keypad_data->irq = irq; - keypad_data->row_shift = row_shift; - keypad_data->rows = pdata->rows; - keypad_data->cols = pdata->cols; /* - * Enable clocks for the keypad module so that we can read - * revision register. - */ + * Enable clocks for the keypad module so that we can read + * revision register. + */ pm_runtime_enable(&pdev->dev); error = pm_runtime_get_sync(&pdev->dev); if (error) { @@ -322,19 +345,30 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) input_dev->open = omap4_keypad_open; input_dev->close = omap4_keypad_close; - error = matrix_keypad_build_keymap(pdata->keymap_data, NULL, - pdata->rows, pdata->cols, + input_set_capability(input_dev, EV_MSC, MSC_SCAN); + if (!keypad_data->no_autorepeat) + __set_bit(EV_REP, input_dev->evbit); + + input_set_drvdata(input_dev, keypad_data); + + keypad_data->row_shift = get_count_order(keypad_data->cols); + max_keys = keypad_data->rows << keypad_data->row_shift; + keypad_data->keymap = kzalloc(max_keys * sizeof(keypad_data->keymap[0]), + GFP_KERNEL); + if (!keypad_data->keymap) { + dev_err(&pdev->dev, "Not enough memory for keymap\n"); + error = -ENOMEM; + goto err_free_input; + } + + error = matrix_keypad_build_keymap(keymap_data, NULL, + keypad_data->rows, keypad_data->cols, keypad_data->keymap, input_dev); if (error) { dev_err(&pdev->dev, "failed to build keymap\n"); - goto err_free_input; + goto err_free_keymap; } - __set_bit(EV_REP, input_dev->evbit); - input_set_capability(input_dev, EV_MSC, MSC_SCAN); - - input_set_drvdata(input_dev, keypad_data); - error = request_irq(keypad_data->irq, omap4_keypad_interrupt, IRQF_TRIGGER_RISING, "omap4-keypad", keypad_data); @@ -357,6 +391,8 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) err_pm_disable: pm_runtime_disable(&pdev->dev); free_irq(keypad_data->irq, keypad_data); +err_free_keymap: + kfree(keypad_data->keymap); err_free_input: input_free_device(input_dev); err_pm_put_sync: @@ -364,7 +400,7 @@ err_pm_put_sync: err_unmap: iounmap(keypad_data->base); err_release_mem: - release_mem_region(res->start, size); + release_mem_region(res->start, resource_size(res)); err_free_keypad: kfree(keypad_data); return error; @@ -386,18 +422,29 @@ static int __devexit omap4_keypad_remove(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); release_mem_region(res->start, resource_size(res)); + kfree(keypad_data->keymap); kfree(keypad_data); + platform_set_drvdata(pdev, NULL); return 0; } +#ifdef CONFIG_OF +static const struct of_device_id omap_keypad_dt_match[] = { + { .compatible = "ti,omap4-keypad" }, + {}, +}; +MODULE_DEVICE_TABLE(of, omap_keypad_dt_match); +#endif + static struct platform_driver omap4_keypad_driver = { .probe = omap4_keypad_probe, .remove = __devexit_p(omap4_keypad_remove), .driver = { .name = "omap4-keypad", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(omap_keypad_dt_match), }, }; module_platform_driver(omap4_keypad_driver); diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c index 6f287f7e153..72ef01be336 100644 --- a/drivers/input/keyboard/spear-keyboard.c +++ b/drivers/input/keyboard/spear-keyboard.c @@ -27,33 +27,31 @@ #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 MODE_CTL_REG 0x00 +#define STATUS_REG 0x0C +#define DATA_REG 0x10 #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 NUM_ROWS 16 #define NUM_COLS 16 +#define MODE_CTL_PCLK_FREQ_SHIFT 9 +#define MODE_CTL_PCLK_FREQ_MSK 0x7F + +#define MODE_CTL_KEYBOARD (0x2 << 0) +#define MODE_CTL_SCAN_RATE_10 (0x0 << 2) +#define MODE_CTL_SCAN_RATE_20 (0x1 << 2) +#define MODE_CTL_SCAN_RATE_40 (0x2 << 2) +#define MODE_CTL_SCAN_RATE_80 (0x3 << 2) +#define MODE_CTL_KEYNUM_SHIFT 6 +#define MODE_CTL_START_SCAN (0x1 << 8) -#define KEY_MATRIX_SHIFT 6 +#define STATUS_DATA_AVAIL (0x1 << 1) + +#define DATA_ROW_MASK 0xF0 +#define DATA_COLUMN_MASK 0x0F + +#define ROW_SHIFT 4 struct spear_kbd { struct input_dev *input; @@ -65,6 +63,8 @@ struct spear_kbd { unsigned short last_key; unsigned short keycodes[NUM_ROWS * NUM_COLS]; bool rep; + unsigned int suspended_rate; + u32 mode_ctl_reg; }; static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id) @@ -72,10 +72,10 @@ 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; + u32 sts, val; - sts = readb(kbd->io_base + STATUS_REG); - if (!(sts & DATA_AVAIL)) + sts = readl_relaxed(kbd->io_base + STATUS_REG); + if (!(sts & STATUS_DATA_AVAIL)) return IRQ_NONE; if (kbd->last_key != KEY_RESERVED) { @@ -84,7 +84,8 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id) } /* following reads active (row, col) pair */ - val = readb(kbd->io_base + DATA_REG); + val = readl_relaxed(kbd->io_base + DATA_REG) & + (DATA_ROW_MASK | DATA_COLUMN_MASK); key = kbd->keycodes[val]; input_event(input, EV_MSC, MSC_SCAN, val); @@ -94,7 +95,7 @@ static irqreturn_t spear_kbd_interrupt(int irq, void *dev_id) kbd->last_key = key; /* clear interrupt */ - writeb(0, kbd->io_base + STATUS_REG); + writel_relaxed(0, kbd->io_base + STATUS_REG); return IRQ_HANDLED; } @@ -103,7 +104,7 @@ static int spear_kbd_open(struct input_dev *dev) { struct spear_kbd *kbd = input_get_drvdata(dev); int error; - u16 val; + u32 val; kbd->last_key = KEY_RESERVED; @@ -111,16 +112,20 @@ static int spear_kbd_open(struct input_dev *dev) if (error) return error; + /* keyboard rate to be programmed is input clock (in MHz) - 1 */ + val = clk_get_rate(kbd->clk) / 1000000 - 1; + val = (val & MODE_CTL_PCLK_FREQ_MSK) << MODE_CTL_PCLK_FREQ_SHIFT; + /* program keyboard */ - val = SCAN_RATE_80 | MODE_KEYBOARD | PCLK_FREQ_MSK | - (kbd->mode << KEY_MATRIX_SHIFT); - writew(val, kbd->io_base + MODE_REG); - writeb(1, kbd->io_base + STATUS_REG); + val = MODE_CTL_SCAN_RATE_80 | MODE_CTL_KEYBOARD | val | + (kbd->mode << MODE_CTL_KEYNUM_SHIFT); + writel_relaxed(val, kbd->io_base + MODE_CTL_REG); + writel_relaxed(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); + val = readl_relaxed(kbd->io_base + MODE_CTL_REG); + val |= MODE_CTL_START_SCAN; + writel_relaxed(val, kbd->io_base + MODE_CTL_REG); return 0; } @@ -128,12 +133,12 @@ static int spear_kbd_open(struct input_dev *dev) static void spear_kbd_close(struct input_dev *dev) { struct spear_kbd *kbd = input_get_drvdata(dev); - u16 val; + u32 val; /* stop key scan */ - val = readw(kbd->io_base + MODE_REG); - val &= ~START_SCAN; - writew(val, kbd->io_base + MODE_REG); + val = readl_relaxed(kbd->io_base + MODE_CTL_REG); + val &= ~MODE_CTL_START_SCAN; + writel_relaxed(val, kbd->io_base + MODE_CTL_REG); clk_disable(kbd->clk); @@ -146,7 +151,7 @@ static int __devinit spear_kbd_parse_dt(struct platform_device *pdev, { struct device_node *np = pdev->dev.of_node; int error; - u32 val; + u32 val, suspended_rate; if (!np) { dev_err(&pdev->dev, "Missing DT data\n"); @@ -156,6 +161,9 @@ static int __devinit spear_kbd_parse_dt(struct platform_device *pdev, if (of_property_read_bool(np, "autorepeat")) kbd->rep = true; + if (of_property_read_u32(np, "suspended_rate", &suspended_rate)) + kbd->suspended_rate = suspended_rate; + error = of_property_read_u32(np, "st,mode", &val); if (error) { dev_err(&pdev->dev, "DT: Invalid or missing mode\n"); @@ -213,6 +221,7 @@ static int __devinit spear_kbd_probe(struct platform_device *pdev) } else { kbd->mode = pdata->mode; kbd->rep = pdata->rep; + kbd->suspended_rate = pdata->suspended_rate; } kbd->res = request_mem_region(res->start, resource_size(res), @@ -302,7 +311,7 @@ static int __devexit spear_kbd_remove(struct platform_device *pdev) release_mem_region(kbd->res->start, resource_size(kbd->res)); kfree(kbd); - device_init_wakeup(&pdev->dev, 1); + device_init_wakeup(&pdev->dev, 0); platform_set_drvdata(pdev, NULL); return 0; @@ -314,15 +323,48 @@ 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; + unsigned int rate = 0, mode_ctl_reg, val; mutex_lock(&input_dev->mutex); - if (input_dev->users) - clk_enable(kbd->clk); + /* explicitly enable clock as we may program device */ + clk_enable(kbd->clk); - if (device_may_wakeup(&pdev->dev)) + mode_ctl_reg = readl_relaxed(kbd->io_base + MODE_CTL_REG); + + if (device_may_wakeup(&pdev->dev)) { enable_irq_wake(kbd->irq); + /* + * reprogram the keyboard operating frequency as on some + * platform it may change during system suspended + */ + if (kbd->suspended_rate) + rate = kbd->suspended_rate / 1000000 - 1; + else + rate = clk_get_rate(kbd->clk) / 1000000 - 1; + + val = mode_ctl_reg & + ~(MODE_CTL_PCLK_FREQ_MSK << MODE_CTL_PCLK_FREQ_SHIFT); + val |= (rate & MODE_CTL_PCLK_FREQ_MSK) + << MODE_CTL_PCLK_FREQ_SHIFT; + writel_relaxed(val, kbd->io_base + MODE_CTL_REG); + + } else { + if (input_dev->users) { + writel_relaxed(mode_ctl_reg & ~MODE_CTL_START_SCAN, + kbd->io_base + MODE_CTL_REG); + clk_disable(kbd->clk); + } + } + + /* store current configuration */ + if (input_dev->users) + kbd->mode_ctl_reg = mode_ctl_reg; + + /* restore previous clk state */ + clk_disable(kbd->clk); + mutex_unlock(&input_dev->mutex); return 0; @@ -336,11 +378,16 @@ static int spear_kbd_resume(struct device *dev) mutex_lock(&input_dev->mutex); - if (device_may_wakeup(&pdev->dev)) + if (device_may_wakeup(&pdev->dev)) { disable_irq_wake(kbd->irq); + } else { + if (input_dev->users) + clk_enable(kbd->clk); + } + /* restore current configuration */ if (input_dev->users) - clk_enable(kbd->clk); + writel_relaxed(kbd->mode_ctl_reg, kbd->io_base + MODE_CTL_REG); mutex_unlock(&input_dev->mutex); diff --git a/drivers/input/misc/88pm80x_onkey.c b/drivers/input/misc/88pm80x_onkey.c new file mode 100644 index 00000000000..7f26e7b6c22 --- /dev/null +++ b/drivers/input/misc/88pm80x_onkey.c @@ -0,0 +1,168 @@ +/* + * Marvell 88PM80x ONKEY driver + * + * Copyright (C) 2012 Marvell International Ltd. + * Haojian Zhuang <haojian.zhuang@marvell.com> + * Qiao Zhou <zhouqiao@marvell.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 more details. + * + * 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 + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/input.h> +#include <linux/mfd/88pm80x.h> +#include <linux/regmap.h> +#include <linux/slab.h> + +#define PM800_LONG_ONKEY_EN (1 << 0) +#define PM800_LONG_KEY_DELAY (8) /* 1 .. 16 seconds */ +#define PM800_LONKEY_PRESS_TIME ((PM800_LONG_KEY_DELAY-1) << 4) +#define PM800_LONKEY_PRESS_TIME_MASK (0xF0) +#define PM800_SW_PDOWN (1 << 5) + +struct pm80x_onkey_info { + struct input_dev *idev; + struct pm80x_chip *pm80x; + struct regmap *map; + int irq; +}; + +/* 88PM80x gives us an interrupt when ONKEY is held */ +static irqreturn_t pm80x_onkey_handler(int irq, void *data) +{ + struct pm80x_onkey_info *info = data; + int ret = 0; + unsigned int val; + + ret = regmap_read(info->map, PM800_STATUS_1, &val); + if (ret < 0) { + dev_err(info->idev->dev.parent, "failed to read status: %d\n", ret); + return IRQ_NONE; + } + val &= PM800_ONKEY_STS1; + + input_report_key(info->idev, KEY_POWER, val); + input_sync(info->idev); + + return IRQ_HANDLED; +} + +static SIMPLE_DEV_PM_OPS(pm80x_onkey_pm_ops, pm80x_dev_suspend, + pm80x_dev_resume); + +static int __devinit pm80x_onkey_probe(struct platform_device *pdev) +{ + + struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent); + struct pm80x_onkey_info *info; + int err; + + info = kzalloc(sizeof(struct pm80x_onkey_info), GFP_KERNEL); + if (!info) + return -ENOMEM; + + info->pm80x = chip; + + info->irq = platform_get_irq(pdev, 0); + if (info->irq < 0) { + dev_err(&pdev->dev, "No IRQ resource!\n"); + err = -EINVAL; + goto out; + } + + info->map = info->pm80x->regmap; + if (!info->map) { + dev_err(&pdev->dev, "no regmap!\n"); + err = -EINVAL; + goto out; + } + + info->idev = input_allocate_device(); + if (!info->idev) { + dev_err(&pdev->dev, "Failed to allocate input dev\n"); + err = -ENOMEM; + goto out; + } + + info->idev->name = "88pm80x_on"; + info->idev->phys = "88pm80x_on/input0"; + info->idev->id.bustype = BUS_I2C; + info->idev->dev.parent = &pdev->dev; + info->idev->evbit[0] = BIT_MASK(EV_KEY); + __set_bit(KEY_POWER, info->idev->keybit); + + err = pm80x_request_irq(info->pm80x, info->irq, pm80x_onkey_handler, + IRQF_ONESHOT, "onkey", info); + if (err < 0) { + dev_err(&pdev->dev, "Failed to request IRQ: #%d: %d\n", + info->irq, err); + goto out_reg; + } + + err = input_register_device(info->idev); + if (err) { + dev_err(&pdev->dev, "Can't register input device: %d\n", err); + goto out_irq; + } + + platform_set_drvdata(pdev, info); + + /* Enable long onkey detection */ + regmap_update_bits(info->map, PM800_RTC_MISC4, PM800_LONG_ONKEY_EN, + PM800_LONG_ONKEY_EN); + /* Set 8-second interval */ + regmap_update_bits(info->map, PM800_RTC_MISC3, + PM800_LONKEY_PRESS_TIME_MASK, + PM800_LONKEY_PRESS_TIME); + + device_init_wakeup(&pdev->dev, 1); + return 0; + +out_irq: + pm80x_free_irq(info->pm80x, info->irq, info); +out_reg: + input_free_device(info->idev); +out: + kfree(info); + return err; +} + +static int __devexit pm80x_onkey_remove(struct platform_device *pdev) +{ + struct pm80x_onkey_info *info = platform_get_drvdata(pdev); + + device_init_wakeup(&pdev->dev, 0); + pm80x_free_irq(info->pm80x, info->irq, info); + input_unregister_device(info->idev); + kfree(info); + return 0; +} + +static struct platform_driver pm80x_onkey_driver = { + .driver = { + .name = "88pm80x-onkey", + .owner = THIS_MODULE, + .pm = &pm80x_onkey_pm_ops, + }, + .probe = pm80x_onkey_probe, + .remove = __devexit_p(pm80x_onkey_remove), +}; + +module_platform_driver(pm80x_onkey_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Marvell 88PM80x ONKEY driver"); +MODULE_AUTHOR("Qiao Zhou <zhouqiao@marvell.com>"); +MODULE_ALIAS("platform:88pm80x-onkey"); diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig index 7faf4a7fcaa..7c0f1ecfdd7 100644 --- a/drivers/input/misc/Kconfig +++ b/drivers/input/misc/Kconfig @@ -22,6 +22,16 @@ config INPUT_88PM860X_ONKEY To compile this driver as a module, choose M here: the module will be called 88pm860x_onkey. +config INPUT_88PM80X_ONKEY + tristate "88PM80x ONKEY support" + depends on MFD_88PM800 + help + Support the ONKEY of Marvell 88PM80x PMICs as an input device + reporting power button status. + + To compile this driver as a module, choose M here: the module + will be called 88pm80x_onkey. + config INPUT_AB8500_PONKEY tristate "AB8500 Pon (PowerOn) Key" depends on AB8500_CORE diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile index f55cdf4916f..83fe6f5b77d 100644 --- a/drivers/input/misc/Makefile +++ b/drivers/input/misc/Makefile @@ -5,6 +5,7 @@ # Each configuration option enables a list of files. obj-$(CONFIG_INPUT_88PM860X_ONKEY) += 88pm860x_onkey.o +obj-$(CONFIG_INPUT_88PM80X_ONKEY) += 88pm80x_onkey.o obj-$(CONFIG_INPUT_AB8500_PONKEY) += ab8500-ponkey.o obj-$(CONFIG_INPUT_AD714X) += ad714x.o obj-$(CONFIG_INPUT_AD714X_I2C) += ad714x-i2c.o diff --git a/drivers/input/misc/ab8500-ponkey.c b/drivers/input/misc/ab8500-ponkey.c index 350fd0c385d..84ec691c05a 100644 --- a/drivers/input/misc/ab8500-ponkey.c +++ b/drivers/input/misc/ab8500-ponkey.c @@ -13,6 +13,7 @@ #include <linux/input.h> #include <linux/interrupt.h> #include <linux/mfd/abx500/ab8500.h> +#include <linux/of.h> #include <linux/slab.h> /** @@ -131,10 +132,18 @@ static int __devexit ab8500_ponkey_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_OF +static const struct of_device_id ab8500_ponkey_match[] = { + { .compatible = "stericsson,ab8500-ponkey", }, + {} +}; +#endif + static struct platform_driver ab8500_ponkey_driver = { .driver = { .name = "ab8500-poweron-key", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(ab8500_ponkey_match), }, .probe = ab8500_ponkey_probe, .remove = __devexit_p(ab8500_ponkey_remove), diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c index a3735a01e9f..df9b756594f 100644 --- a/drivers/input/misc/cma3000_d0x.c +++ b/drivers/input/misc/cma3000_d0x.c @@ -58,7 +58,7 @@ /* * Bit weights in mg for bit 0, other bits need - * multipy factor 2^n. Eight bit is the sign bit. + * multiply factor 2^n. Eight bit is the sign bit. */ #define BIT_TO_2G 18 #define BIT_TO_8G 71 diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c index c34f6c0371c..c8a288ae1d5 100644 --- a/drivers/input/misc/twl6040-vibra.c +++ b/drivers/input/misc/twl6040-vibra.c @@ -251,7 +251,6 @@ static int twl6040_vibra_suspend(struct device *dev) return 0; } - #endif static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL); @@ -259,13 +258,19 @@ static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL); static int __devinit twl6040_vibra_probe(struct platform_device *pdev) { struct twl6040_vibra_data *pdata = pdev->dev.platform_data; - struct device_node *node = pdev->dev.of_node; + struct device *twl6040_core_dev = pdev->dev.parent; + struct device_node *twl6040_core_node = NULL; struct vibra_info *info; int vddvibl_uV = 0; int vddvibr_uV = 0; int ret; - if (!pdata && !node) { +#ifdef CONFIG_OF + twl6040_core_node = of_find_node_by_name(twl6040_core_dev->of_node, + "vibra"); +#endif + + if (!pdata && !twl6040_core_node) { dev_err(&pdev->dev, "platform_data not available\n"); return -EINVAL; } @@ -287,14 +292,18 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev) vddvibl_uV = pdata->vddvibl_uV; vddvibr_uV = pdata->vddvibr_uV; } else { - of_property_read_u32(node, "vibldrv_res", &info->vibldrv_res); - of_property_read_u32(node, "vibrdrv_res", &info->vibrdrv_res); - of_property_read_u32(node, "viblmotor_res", + of_property_read_u32(twl6040_core_node, "ti,vibldrv-res", + &info->vibldrv_res); + of_property_read_u32(twl6040_core_node, "ti,vibrdrv-res", + &info->vibrdrv_res); + of_property_read_u32(twl6040_core_node, "ti,viblmotor-res", &info->viblmotor_res); - of_property_read_u32(node, "vibrmotor_res", + of_property_read_u32(twl6040_core_node, "ti,vibrmotor-res", &info->vibrmotor_res); - of_property_read_u32(node, "vddvibl_uV", &vddvibl_uV); - of_property_read_u32(node, "vddvibr_uV", &vddvibr_uV); + of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV", + &vddvibl_uV); + of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV", + &vddvibr_uV); } if ((!info->vibldrv_res && !info->viblmotor_res) || @@ -351,8 +360,12 @@ static int __devinit twl6040_vibra_probe(struct platform_device *pdev) info->supplies[0].supply = "vddvibl"; info->supplies[1].supply = "vddvibr"; - ret = regulator_bulk_get(info->dev, ARRAY_SIZE(info->supplies), - info->supplies); + /* + * When booted with Device tree the regulators are attached to the + * parent device (twl6040 MFD core) + */ + ret = regulator_bulk_get(pdata ? info->dev : twl6040_core_dev, + ARRAY_SIZE(info->supplies), info->supplies); if (ret) { dev_err(info->dev, "couldn't get regulators %d\n", ret); goto err_regulator; @@ -418,12 +431,6 @@ static int __devexit twl6040_vibra_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id twl6040_vibra_of_match[] = { - {.compatible = "ti,twl6040-vibra", }, - { }, -}; -MODULE_DEVICE_TABLE(of, twl6040_vibra_of_match); - static struct platform_driver twl6040_vibra_driver = { .probe = twl6040_vibra_probe, .remove = __devexit_p(twl6040_vibra_remove), @@ -431,7 +438,6 @@ static struct platform_driver twl6040_vibra_driver = { .name = "twl6040-vibra", .owner = THIS_MODULE, .pm = &twl6040_vibra_pm_ops, - .of_match_table = twl6040_vibra_of_match, }, }; module_platform_driver(twl6040_vibra_driver); diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 736056897e5..6b1797503e3 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -405,7 +405,7 @@ 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_init_slots(dev, nslot); + input_mt_init_slots(dev, nslot, 0); } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) { input_set_events_per_packet(dev, 60); } diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 4a1347e91bd..cf5af1f495e 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -1620,7 +1620,7 @@ int alps_init(struct psmouse *psmouse) case ALPS_PROTO_V3: case ALPS_PROTO_V4: set_bit(INPUT_PROP_SEMI_MT, dev1->propbit); - input_mt_init_slots(dev1, 2); + input_mt_init_slots(dev1, 2, 0); input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, ALPS_V3_X_MAX, 0, 0); input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, ALPS_V3_Y_MAX, 0, 0); diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index d528c23e194..3a78f235fa3 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -40,6 +40,7 @@ #include <linux/usb/input.h> #include <linux/hid.h> #include <linux/mutex.h> +#include <linux/input/mt.h> #define USB_VENDOR_ID_APPLE 0x05ac @@ -183,26 +184,26 @@ struct tp_finger { __le16 abs_y; /* absolute y coodinate */ __le16 rel_x; /* relative x coodinate */ __le16 rel_y; /* relative y coodinate */ - __le16 size_major; /* finger size, major axis? */ - __le16 size_minor; /* finger size, minor axis? */ + __le16 tool_major; /* tool area, major axis */ + __le16 tool_minor; /* tool area, minor axis */ __le16 orientation; /* 16384 when point, else 15 bit angle */ - __le16 force_major; /* trackpad force, major axis? */ - __le16 force_minor; /* trackpad force, minor axis? */ + __le16 touch_major; /* touch area, major axis */ + __le16 touch_minor; /* touch area, minor axis */ __le16 unused[3]; /* zeros */ __le16 multi; /* one finger: varies, more fingers: constant */ } __attribute__((packed,aligned(2))); /* trackpad finger data size, empirically at least ten fingers */ +#define MAX_FINGERS 16 #define SIZEOF_FINGER sizeof(struct tp_finger) -#define SIZEOF_ALL_FINGERS (16 * SIZEOF_FINGER) +#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) #define MAX_FINGER_ORIENTATION 16384 /* device-specific parameters */ struct bcm5974_param { - int dim; /* logical dimension */ - int fuzz; /* logical noise value */ - int devmin; /* device minimum reading */ - int devmax; /* device maximum reading */ + int snratio; /* signal-to-noise ratio */ + int min; /* device minimum reading */ + int max; /* device maximum reading */ }; /* device-specific configuration */ @@ -219,6 +220,7 @@ struct bcm5974_config { struct bcm5974_param w; /* finger width limits */ struct bcm5974_param x; /* horizontal limits */ struct bcm5974_param y; /* vertical limits */ + struct bcm5974_param o; /* orientation limits */ }; /* logical device structure */ @@ -234,23 +236,16 @@ struct bcm5974 { struct bt_data *bt_data; /* button transferred data */ struct urb *tp_urb; /* trackpad usb request block */ u8 *tp_data; /* trackpad transferred data */ - int fingers; /* number of fingers on trackpad */ + const struct tp_finger *index[MAX_FINGERS]; /* finger index data */ + struct input_mt_pos pos[MAX_FINGERS]; /* position array */ + int slots[MAX_FINGERS]; /* slot assignments */ }; -/* logical dimensions */ -#define DIM_PRESSURE 256 /* maximum finger pressure */ -#define DIM_WIDTH 16 /* maximum finger width */ -#define DIM_X 1280 /* maximum trackpad x value */ -#define DIM_Y 800 /* maximum trackpad y value */ - /* logical signal quality */ #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */ -#define SN_WIDTH 100 /* width signal-to-noise ratio */ +#define SN_WIDTH 25 /* width signal-to-noise ratio */ #define SN_COORD 250 /* coordinate signal-to-noise ratio */ - -/* pressure thresholds */ -#define PRESSURE_LOW (2 * DIM_PRESSURE / SN_PRESSURE) -#define PRESSURE_HIGH (3 * PRESSURE_LOW) +#define SN_ORIENT 10 /* orientation signal-to-noise ratio */ /* device constants */ static const struct bcm5974_config bcm5974_config_table[] = { @@ -261,10 +256,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 0, 0x84, sizeof(struct bt_data), 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4824, 5342 }, - { DIM_Y, DIM_Y / SN_COORD, -172, 5820 } + { SN_PRESSURE, 0, 256 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4824, 5342 }, + { SN_COORD, -172, 5820 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI, @@ -273,10 +269,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 0, 0x84, sizeof(struct bt_data), 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4824, 4824 }, - { DIM_Y, DIM_Y / SN_COORD, -172, 4290 } + { SN_PRESSURE, 0, 256 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4824, 4824 }, + { SN_COORD, -172, 4290 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI, @@ -285,10 +282,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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, -4460, 5166 }, - { DIM_Y, DIM_Y / SN_COORD, -75, 6700 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4460, 5166 }, + { SN_COORD, -75, 6700 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI, @@ -297,10 +295,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4620, 5140 }, + { SN_COORD, -150, 6600 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI, @@ -309,10 +308,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4616, 5112 }, + { SN_COORD, -142, 5234 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI, @@ -321,10 +321,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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, -4415, 5050 }, - { DIM_Y, DIM_Y / SN_COORD, -55, 6680 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4415, 5050 }, + { SN_COORD, -55, 6680 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI, @@ -333,10 +334,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4620, 5140 }, + { SN_COORD, -150, 6600 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI, @@ -345,10 +347,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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, -4750, 5280 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI, @@ -357,10 +360,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4620, 5140 }, + { SN_COORD, -150, 6600 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI, @@ -369,10 +373,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 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, -4750, 5280 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, {} }; @@ -396,18 +401,11 @@ static inline int raw2int(__le16 x) return (signed short)le16_to_cpu(x); } -/* scale device data to logical dimensions (asserts devmin < devmax) */ -static inline int int2scale(const struct bcm5974_param *p, int x) -{ - return x * p->dim / (p->devmax - p->devmin); -} - -/* all logical value ranges are [0,dim). */ -static inline int int2bound(const struct bcm5974_param *p, int x) +static void set_abs(struct input_dev *input, unsigned int code, + const struct bcm5974_param *p) { - int s = int2scale(p, x); - - return clamp_val(s, 0, p->dim - 1); + int fuzz = p->snratio ? (p->max - p->min) / p->snratio : 0; + input_set_abs_params(input, code, p->min, p->max, fuzz, 0); } /* setup which logical events to report */ @@ -416,48 +414,30 @@ static void setup_events_to_report(struct input_dev *input_dev, { __set_bit(EV_ABS, input_dev->evbit); - input_set_abs_params(input_dev, ABS_PRESSURE, - 0, cfg->p.dim, cfg->p.fuzz, 0); - input_set_abs_params(input_dev, ABS_TOOL_WIDTH, - 0, cfg->w.dim, cfg->w.fuzz, 0); - input_set_abs_params(input_dev, ABS_X, - 0, cfg->x.dim, cfg->x.fuzz, 0); - input_set_abs_params(input_dev, ABS_Y, - 0, cfg->y.dim, cfg->y.fuzz, 0); + /* for synaptics only */ + input_set_abs_params(input_dev, ABS_PRESSURE, 0, 256, 5, 0); + input_set_abs_params(input_dev, ABS_TOOL_WIDTH, 0, 16, 0, 0); /* finger touch area */ - input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); - input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); + set_abs(input_dev, ABS_MT_TOUCH_MAJOR, &cfg->w); + set_abs(input_dev, ABS_MT_TOUCH_MINOR, &cfg->w); /* finger approach area */ - input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); - input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); + set_abs(input_dev, ABS_MT_WIDTH_MAJOR, &cfg->w); + set_abs(input_dev, ABS_MT_WIDTH_MINOR, &cfg->w); /* finger orientation */ - input_set_abs_params(input_dev, ABS_MT_ORIENTATION, - -MAX_FINGER_ORIENTATION, - MAX_FINGER_ORIENTATION, 0, 0); + set_abs(input_dev, ABS_MT_ORIENTATION, &cfg->o); /* finger position */ - input_set_abs_params(input_dev, ABS_MT_POSITION_X, - cfg->x.devmin, cfg->x.devmax, 0, 0); - input_set_abs_params(input_dev, ABS_MT_POSITION_Y, - cfg->y.devmin, cfg->y.devmax, 0, 0); + set_abs(input_dev, ABS_MT_POSITION_X, &cfg->x); + set_abs(input_dev, ABS_MT_POSITION_Y, &cfg->y); __set_bit(EV_KEY, input_dev->evbit); - __set_bit(BTN_TOUCH, input_dev->keybit); - __set_bit(BTN_TOOL_FINGER, input_dev->keybit); - __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); - __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); - __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); __set_bit(BTN_LEFT, input_dev->keybit); - __set_bit(INPUT_PROP_POINTER, input_dev->propbit); if (cfg->caps & HAS_INTEGRATED_BUTTON) __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); - input_set_events_per_packet(input_dev, 60); + input_mt_init_slots(input_dev, MAX_FINGERS, + INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK); } /* report button data as logical button state */ @@ -477,24 +457,44 @@ static int report_bt_state(struct bcm5974 *dev, int size) return 0; } -static void report_finger_data(struct input_dev *input, - const struct bcm5974_config *cfg, +static void report_finger_data(struct input_dev *input, int slot, + const struct input_mt_pos *pos, const struct tp_finger *f) { + input_mt_slot(input, slot); + input_mt_report_slot_state(input, MT_TOOL_FINGER, true); + input_report_abs(input, ABS_MT_TOUCH_MAJOR, - raw2int(f->force_major) << 1); + raw2int(f->touch_major) << 1); input_report_abs(input, ABS_MT_TOUCH_MINOR, - raw2int(f->force_minor) << 1); + raw2int(f->touch_minor) << 1); input_report_abs(input, ABS_MT_WIDTH_MAJOR, - raw2int(f->size_major) << 1); + raw2int(f->tool_major) << 1); input_report_abs(input, ABS_MT_WIDTH_MINOR, - raw2int(f->size_minor) << 1); + raw2int(f->tool_minor) << 1); input_report_abs(input, ABS_MT_ORIENTATION, MAX_FINGER_ORIENTATION - raw2int(f->orientation)); - input_report_abs(input, ABS_MT_POSITION_X, raw2int(f->abs_x)); - input_report_abs(input, ABS_MT_POSITION_Y, - cfg->y.devmin + cfg->y.devmax - raw2int(f->abs_y)); - input_mt_sync(input); + input_report_abs(input, ABS_MT_POSITION_X, pos->x); + input_report_abs(input, ABS_MT_POSITION_Y, pos->y); +} + +static void report_synaptics_data(struct input_dev *input, + const struct bcm5974_config *cfg, + const struct tp_finger *f, int raw_n) +{ + int abs_p = 0, abs_w = 0; + + if (raw_n) { + int p = raw2int(f->touch_major); + int w = raw2int(f->tool_major); + if (p > 0 && raw2int(f->origin)) { + abs_p = clamp_val(256 * p / cfg->p.max, 0, 255); + abs_w = clamp_val(16 * w / cfg->w.max, 0, 15); + } + } + + input_report_abs(input, ABS_PRESSURE, abs_p); + input_report_abs(input, ABS_TOOL_WIDTH, abs_w); } /* report trackpad data as logical trackpad state */ @@ -503,9 +503,7 @@ static int report_tp_state(struct bcm5974 *dev, int size) const struct bcm5974_config *c = &dev->cfg; const struct tp_finger *f; struct input_dev *input = dev->input; - int raw_p, raw_w, raw_x, raw_y, raw_n, i; - int ptest, origin, ibt = 0, nmin = 0, nmax = 0; - int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0; + int raw_n, i, n = 0; if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) return -EIO; @@ -514,76 +512,29 @@ static int report_tp_state(struct bcm5974 *dev, int size) f = (const struct tp_finger *)(dev->tp_data + c->tp_offset); raw_n = (size - c->tp_offset) / SIZEOF_FINGER; - /* always track the first finger; when detached, start over */ - if (raw_n) { - - /* report raw trackpad data */ - for (i = 0; i < raw_n; i++) - report_finger_data(input, c, &f[i]); - - raw_p = raw2int(f->force_major); - raw_w = raw2int(f->size_major); - raw_x = raw2int(f->abs_x); - raw_y = raw2int(f->abs_y); - - dprintk(9, - "bcm5974: " - "raw: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n", - raw_p, raw_w, raw_x, raw_y, raw_n); - - ptest = int2bound(&c->p, raw_p); - origin = raw2int(f->origin); - - /* while tracking finger still valid, count all fingers */ - if (ptest > PRESSURE_LOW && origin) { - abs_p = ptest; - abs_w = int2bound(&c->w, raw_w); - abs_x = int2bound(&c->x, raw_x - c->x.devmin); - abs_y = int2bound(&c->y, c->y.devmax - raw_y); - while (raw_n--) { - ptest = int2bound(&c->p, - raw2int(f->force_major)); - if (ptest > PRESSURE_LOW) - nmax++; - if (ptest > PRESSURE_HIGH) - nmin++; - f++; - } - } + for (i = 0; i < raw_n; i++) { + if (raw2int(f[i].touch_major) == 0) + continue; + dev->pos[n].x = raw2int(f[i].abs_x); + dev->pos[n].y = c->y.min + c->y.max - raw2int(f[i].abs_y); + dev->index[n++] = &f[i]; } - /* set the integrated button if applicable */ - if (c->tp_type == TYPE2) - ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); - - if (dev->fingers < nmin) - dev->fingers = nmin; - if (dev->fingers > nmax) - dev->fingers = nmax; - - input_report_key(input, BTN_TOUCH, dev->fingers > 0); - input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1); - input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2); - input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers == 3); - input_report_key(input, BTN_TOOL_QUADTAP, dev->fingers > 3); - - input_report_abs(input, ABS_PRESSURE, abs_p); - input_report_abs(input, ABS_TOOL_WIDTH, abs_w); + input_mt_assign_slots(input, dev->slots, dev->pos, n); - if (abs_p) { - input_report_abs(input, ABS_X, abs_x); - input_report_abs(input, ABS_Y, abs_y); + for (i = 0; i < n; i++) + report_finger_data(input, dev->slots[i], + &dev->pos[i], dev->index[i]); - dprintk(8, - "bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d " - "nmin: %d nmax: %d n: %d ibt: %d\n", abs_p, abs_w, - abs_x, abs_y, nmin, nmax, dev->fingers, ibt); + input_mt_sync_frame(input); - } + report_synaptics_data(input, c, f, raw_n); /* type 2 reports button events via ibt only */ - if (c->tp_type == TYPE2) + if (c->tp_type == TYPE2) { + int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); input_report_key(input, BTN_LEFT, ibt); + } input_sync(input); @@ -742,9 +693,11 @@ static int bcm5974_start_traffic(struct bcm5974 *dev) goto err_out; } - error = usb_submit_urb(dev->bt_urb, GFP_KERNEL); - if (error) - goto err_reset_mode; + if (dev->bt_urb) { + error = usb_submit_urb(dev->bt_urb, GFP_KERNEL); + if (error) + goto err_reset_mode; + } error = usb_submit_urb(dev->tp_urb, GFP_KERNEL); if (error) @@ -868,19 +821,23 @@ static int bcm5974_probe(struct usb_interface *iface, mutex_init(&dev->pm_mutex); /* setup urbs */ - dev->bt_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->bt_urb) - goto err_free_devs; + if (cfg->tp_type == TYPE1) { + dev->bt_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->bt_urb) + goto err_free_devs; + } dev->tp_urb = usb_alloc_urb(0, GFP_KERNEL); if (!dev->tp_urb) goto err_free_bt_urb; - dev->bt_data = usb_alloc_coherent(dev->udev, + if (dev->bt_urb) { + dev->bt_data = usb_alloc_coherent(dev->udev, dev->cfg.bt_datalen, GFP_KERNEL, &dev->bt_urb->transfer_dma); - if (!dev->bt_data) - goto err_free_urb; + if (!dev->bt_data) + goto err_free_urb; + } dev->tp_data = usb_alloc_coherent(dev->udev, dev->cfg.tp_datalen, GFP_KERNEL, @@ -888,10 +845,11 @@ static int bcm5974_probe(struct usb_interface *iface, if (!dev->tp_data) goto err_free_bt_buffer; - usb_fill_int_urb(dev->bt_urb, udev, - usb_rcvintpipe(udev, cfg->bt_ep), - dev->bt_data, dev->cfg.bt_datalen, - bcm5974_irq_button, dev, 1); + if (dev->bt_urb) + usb_fill_int_urb(dev->bt_urb, udev, + usb_rcvintpipe(udev, cfg->bt_ep), + dev->bt_data, dev->cfg.bt_datalen, + bcm5974_irq_button, dev, 1); usb_fill_int_urb(dev->tp_urb, udev, usb_rcvintpipe(udev, cfg->tp_ep), @@ -929,8 +887,9 @@ err_free_buffer: usb_free_coherent(dev->udev, dev->cfg.tp_datalen, dev->tp_data, dev->tp_urb->transfer_dma); err_free_bt_buffer: - usb_free_coherent(dev->udev, dev->cfg.bt_datalen, - dev->bt_data, dev->bt_urb->transfer_dma); + if (dev->bt_urb) + usb_free_coherent(dev->udev, dev->cfg.bt_datalen, + dev->bt_data, dev->bt_urb->transfer_dma); err_free_urb: usb_free_urb(dev->tp_urb); err_free_bt_urb: @@ -951,8 +910,9 @@ static void bcm5974_disconnect(struct usb_interface *iface) input_unregister_device(dev->input); usb_free_coherent(dev->udev, dev->cfg.tp_datalen, dev->tp_data, dev->tp_urb->transfer_dma); - usb_free_coherent(dev->udev, dev->cfg.bt_datalen, - dev->bt_data, dev->bt_urb->transfer_dma); + if (dev->bt_urb) + usb_free_coherent(dev->udev, dev->cfg.bt_datalen, + dev->bt_data, dev->bt_urb->transfer_dma); usb_free_urb(dev->tp_urb); usb_free_urb(dev->bt_urb); kfree(dev); diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 479011004a1..1e8e42fb03a 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1004,7 +1004,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_set_abs_params(dev, ABS_TOOL_WIDTH, ETP_WMIN_V2, ETP_WMAX_V2, 0, 0); } - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); break; @@ -1035,7 +1035,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_set_abs_params(dev, ABS_TOOL_WIDTH, ETP_WMIN_V2, ETP_WMAX_V2, 0, 0); /* Multitouch capable pad, up to 5 fingers. */ - input_mt_init_slots(dev, ETP_MAX_FINGERS); + input_mt_init_slots(dev, ETP_MAX_FINGERS, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index 3f5649f1908..e582922bacf 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -721,6 +721,17 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse) switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) { case FSP_PKT_TYPE_ABS: + + if ((packet[0] == 0x48 || packet[0] == 0x49) && + packet[1] == 0 && packet[2] == 0) { + /* + * Ignore coordinate noise when finger leaving the + * surface, otherwise cursor may jump to upper-left + * corner. + */ + packet[3] &= 0xf0; + } + abs_x = GET_ABS_X(packet); abs_y = GET_ABS_Y(packet); @@ -960,7 +971,7 @@ static int fsp_set_input_params(struct psmouse *psmouse) input_set_abs_params(dev, ABS_X, 0, abs_x, 0, 0); input_set_abs_params(dev, ABS_Y, 0, abs_y, 0, 0); - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, abs_x, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, abs_y, 0, 0); } diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index c703d53be3a..37033ade79d 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -40,11 +40,27 @@ * Note that newer firmware allows querying device for maximum useable * coordinates. */ +#define XMIN 0 +#define XMAX 6143 +#define YMIN 0 +#define YMAX 6143 #define XMIN_NOMINAL 1472 #define XMAX_NOMINAL 5472 #define YMIN_NOMINAL 1408 #define YMAX_NOMINAL 4448 +/* Size in bits of absolute position values reported by the hardware */ +#define ABS_POS_BITS 13 + +/* + * Any position values from the hardware above the following limits are + * treated as "wrapped around negative" values that have been truncated to + * the 13-bit reporting range of the hardware. These are just reasonable + * guesses and can be adjusted if hardware is found that operates outside + * of these parameters. + */ +#define X_MAX_POSITIVE (((1 << ABS_POS_BITS) + XMAX) / 2) +#define Y_MAX_POSITIVE (((1 << ABS_POS_BITS) + YMAX) / 2) /***************************************************************************** * Stuff we need even when we do not want native Synaptics support @@ -139,6 +155,35 @@ static int synaptics_model_id(struct psmouse *psmouse) } /* + * Read the board id from the touchpad + * The board id is encoded in the "QUERY MODES" response + */ +static int synaptics_board_id(struct psmouse *psmouse) +{ + struct synaptics_data *priv = psmouse->private; + unsigned char bid[3]; + + if (synaptics_send_cmd(psmouse, SYN_QUE_MODES, bid)) + return -1; + priv->board_id = ((bid[0] & 0xfc) << 6) | bid[1]; + return 0; +} + +/* + * Read the firmware id from the touchpad + */ +static int synaptics_firmware_id(struct psmouse *psmouse) +{ + struct synaptics_data *priv = psmouse->private; + unsigned char fwid[3]; + + if (synaptics_send_cmd(psmouse, SYN_QUE_FIRMWARE_ID, fwid)) + return -1; + priv->firmware_id = (fwid[0] << 16) | (fwid[1] << 8) | fwid[2]; + return 0; +} + +/* * Read the capability-bits from the touchpad * see also the SYN_CAP_* macros */ @@ -261,6 +306,10 @@ static int synaptics_query_hardware(struct psmouse *psmouse) return -1; if (synaptics_model_id(psmouse)) return -1; + if (synaptics_firmware_id(psmouse)) + return -1; + if (synaptics_board_id(psmouse)) + return -1; if (synaptics_capability(psmouse)) return -1; if (synaptics_resolution(psmouse)) @@ -555,6 +604,12 @@ static int synaptics_parse_hw_state(const unsigned char buf[], hw->right = (buf[0] & 0x02) ? 1 : 0; } + /* Convert wrap-around values to negative */ + if (hw->x > X_MAX_POSITIVE) + hw->x -= 1 << ABS_POS_BITS; + if (hw->y > Y_MAX_POSITIVE) + hw->y -= 1 << ABS_POS_BITS; + return 0; } @@ -1177,7 +1232,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); set_abs_position_params(dev, priv, ABS_MT_POSITION_X, ABS_MT_POSITION_Y); /* Image sensors can report per-contact pressure */ @@ -1189,7 +1244,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { /* Non-image sensors with AGM use semi-mt */ __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); set_abs_position_params(dev, priv, ABS_MT_POSITION_X, ABS_MT_POSITION_Y); } @@ -1435,11 +1490,12 @@ static int __synaptics_init(struct psmouse *psmouse, bool absolute_mode) priv->pkt_type = SYN_MODEL_NEWABS(priv->model_id) ? SYN_NEWABS : SYN_OLDABS; psmouse_info(psmouse, - "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx\n", + "Touchpad model: %ld, fw: %ld.%ld, id: %#lx, caps: %#lx/%#lx/%#lx, board id: %lu, fw id: %lu\n", SYN_ID_MODEL(priv->identity), SYN_ID_MAJOR(priv->identity), SYN_ID_MINOR(priv->identity), priv->model_id, - priv->capabilities, priv->ext_cap, priv->ext_cap_0c); + priv->capabilities, priv->ext_cap, priv->ext_cap_0c, + priv->board_id, priv->firmware_id); set_input_params(psmouse->dev, priv); diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h index fd26ccca13d..e594af0b264 100644 --- a/drivers/input/mouse/synaptics.h +++ b/drivers/input/mouse/synaptics.h @@ -18,6 +18,7 @@ #define SYN_QUE_SERIAL_NUMBER_SUFFIX 0x07 #define SYN_QUE_RESOLUTION 0x08 #define SYN_QUE_EXT_CAPAB 0x09 +#define SYN_QUE_FIRMWARE_ID 0x0a #define SYN_QUE_EXT_CAPAB_0C 0x0c #define SYN_QUE_EXT_MAX_COORDS 0x0d #define SYN_QUE_EXT_MIN_COORDS 0x0f @@ -148,6 +149,8 @@ struct synaptics_hw_state { struct synaptics_data { /* Data read from the touchpad */ unsigned long int model_id; /* Model-ID */ + unsigned long int firmware_id; /* Firmware-ID */ + unsigned long int board_id; /* Board-ID */ unsigned long int capabilities; /* Capabilities */ unsigned long int ext_cap; /* Extended Capabilities */ unsigned long int ext_cap_0c; /* Ext Caps from 0x0c query */ diff --git a/drivers/input/mouse/synaptics_usb.c b/drivers/input/mouse/synaptics_usb.c index 3c5eaaa5d15..64cf34ea760 100644 --- a/drivers/input/mouse/synaptics_usb.c +++ b/drivers/input/mouse/synaptics_usb.c @@ -364,7 +364,7 @@ static int synusb_probe(struct usb_interface *intf, le16_to_cpu(udev->descriptor.idProduct)); if (synusb->flags & SYNUSB_STICK) - strlcat(synusb->name, " (Stick) ", sizeof(synusb->name)); + strlcat(synusb->name, " (Stick)", sizeof(synusb->name)); usb_make_path(udev, synusb->phys, sizeof(synusb->phys)); strlcat(synusb->phys, "/input0", sizeof(synusb->phys)); diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c index 2ffd110bd5b..2e77246c2e5 100644 --- a/drivers/input/serio/ambakmi.c +++ b/drivers/input/serio/ambakmi.c @@ -72,7 +72,7 @@ static int amba_kmi_open(struct serio *io) unsigned int divisor; int ret; - ret = clk_enable(kmi->clk); + ret = clk_prepare_enable(kmi->clk); if (ret) goto out; @@ -92,7 +92,7 @@ static int amba_kmi_open(struct serio *io) return 0; clk_disable: - clk_disable(kmi->clk); + clk_disable_unprepare(kmi->clk); out: return ret; } @@ -104,7 +104,7 @@ static void amba_kmi_close(struct serio *io) writeb(0, KMICR); free_irq(kmi->irq, kmi); - clk_disable(kmi->clk); + clk_disable_unprepare(kmi->clk); } static int __devinit amba_kmi_probe(struct amba_device *dev, diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c index 09a089996de..d7a7e54f646 100644 --- a/drivers/input/serio/hp_sdc.c +++ b/drivers/input/serio/hp_sdc.c @@ -878,7 +878,7 @@ static int __init hp_sdc_init(void) #endif errstr = "IRQ not available for"; - if (request_irq(hp_sdc.irq, &hp_sdc_isr, IRQF_SHARED|IRQF_SAMPLE_RANDOM, + if (request_irq(hp_sdc.irq, &hp_sdc_isr, IRQF_SHARED, "HP SDC", &hp_sdc)) goto err1; diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 5ec774d6c82..d6cc77a53c7 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -177,6 +177,20 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { }, }, { + /* Gigabyte T1005 - defines wrong chassis type ("Other") */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "T1005"), + }, + }, + { + /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"), + }, + }, + { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"), @@ -321,6 +335,12 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, { .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"), + }, + }, + { + .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"), DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"), }, diff --git a/drivers/input/tablet/hanwang.c b/drivers/input/tablet/hanwang.c index b2db3cfe308..5cc04124995 100644 --- a/drivers/input/tablet/hanwang.c +++ b/drivers/input/tablet/hanwang.c @@ -63,6 +63,7 @@ MODULE_LICENSE(DRIVER_LICENSE); enum hanwang_tablet_type { HANWANG_ART_MASTER_III, HANWANG_ART_MASTER_HD, + HANWANG_ART_MASTER_II, }; struct hanwang { @@ -99,6 +100,8 @@ static const struct hanwang_features features_array[] = { ART_MASTER_PKGLEN_MAX, 0x7f00, 0x4f60, 0x3f, 0x7f, 2048 }, { 0x8401, "Hanwang Art Master HD 5012", HANWANG_ART_MASTER_HD, ART_MASTER_PKGLEN_MAX, 0x678e, 0x4150, 0x3f, 0x7f, 1024 }, + { 0x8503, "Hanwang Art Master II", HANWANG_ART_MASTER_II, + ART_MASTER_PKGLEN_MAX, 0x27de, 0x1cfe, 0x3f, 0x7f, 1024 }, }; static const int hw_eventtypes[] = { @@ -127,14 +130,30 @@ static void hanwang_parse_packet(struct hanwang *hanwang) struct usb_device *dev = hanwang->usbdev; enum hanwang_tablet_type type = hanwang->features->type; int i; - u16 x, y, p; + u16 p; + + if (type == HANWANG_ART_MASTER_II) { + hanwang->current_tool = BTN_TOOL_PEN; + hanwang->current_id = STYLUS_DEVICE_ID; + } switch (data[0]) { case 0x02: /* data packet */ switch (data[1]) { case 0x80: /* tool prox out */ - hanwang->current_id = 0; - input_report_key(input_dev, hanwang->current_tool, 0); + if (type != HANWANG_ART_MASTER_II) { + hanwang->current_id = 0; + input_report_key(input_dev, + hanwang->current_tool, 0); + } + break; + + case 0x00: /* artmaster ii pen leave */ + if (type == HANWANG_ART_MASTER_II) { + hanwang->current_id = 0; + input_report_key(input_dev, + hanwang->current_tool, 0); + } break; case 0xc2: /* first time tool prox in */ @@ -154,15 +173,12 @@ static void hanwang_parse_packet(struct hanwang *hanwang) default: hanwang->current_id = 0; dev_dbg(&dev->dev, - "unknown tablet tool %02x ", data[0]); + "unknown tablet tool %02x\n", data[0]); break; } break; default: /* tool data packet */ - x = (data[2] << 8) | data[3]; - y = (data[4] << 8) | data[5]; - switch (type) { case HANWANG_ART_MASTER_III: p = (data[6] << 3) | @@ -171,6 +187,7 @@ static void hanwang_parse_packet(struct hanwang *hanwang) break; case HANWANG_ART_MASTER_HD: + case HANWANG_ART_MASTER_II: p = (data[7] >> 6) | (data[6] << 2); break; @@ -180,17 +197,23 @@ static void hanwang_parse_packet(struct hanwang *hanwang) } input_report_abs(input_dev, ABS_X, - le16_to_cpup((__le16 *)&x)); + be16_to_cpup((__be16 *)&data[2])); input_report_abs(input_dev, ABS_Y, - le16_to_cpup((__le16 *)&y)); - input_report_abs(input_dev, ABS_PRESSURE, - le16_to_cpup((__le16 *)&p)); + be16_to_cpup((__be16 *)&data[4])); + input_report_abs(input_dev, ABS_PRESSURE, p); input_report_abs(input_dev, ABS_TILT_X, data[7] & 0x3f); input_report_abs(input_dev, ABS_TILT_Y, data[8] & 0x7f); input_report_key(input_dev, BTN_STYLUS, data[1] & 0x02); - input_report_key(input_dev, BTN_STYLUS2, data[1] & 0x04); + + if (type != HANWANG_ART_MASTER_II) + input_report_key(input_dev, BTN_STYLUS2, + data[1] & 0x04); + else + input_report_key(input_dev, BTN_TOOL_PEN, 1); + break; } + input_report_abs(input_dev, ABS_MISC, hanwang->current_id); input_event(input_dev, EV_MSC, MSC_SERIAL, hanwang->features->pid); @@ -202,8 +225,8 @@ static void hanwang_parse_packet(struct hanwang *hanwang) switch (type) { case HANWANG_ART_MASTER_III: - input_report_key(input_dev, BTN_TOOL_FINGER, data[1] || - data[2] || data[3]); + input_report_key(input_dev, BTN_TOOL_FINGER, + data[1] || data[2] || data[3]); input_report_abs(input_dev, ABS_WHEEL, data[1]); input_report_key(input_dev, BTN_0, data[2]); for (i = 0; i < 8; i++) @@ -227,6 +250,10 @@ static void hanwang_parse_packet(struct hanwang *hanwang) BTN_5 + i, data[6] & (1 << i)); } break; + + case HANWANG_ART_MASTER_II: + dev_dbg(&dev->dev, "error packet %02x\n", data[0]); + return; } input_report_abs(input_dev, ABS_MISC, hanwang->current_id); @@ -234,7 +261,7 @@ static void hanwang_parse_packet(struct hanwang *hanwang) break; default: - dev_dbg(&dev->dev, "error packet %02x ", data[0]); + dev_dbg(&dev->dev, "error packet %02x\n", data[0]); break; } diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 8b31473a81f..0d3219f2974 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -445,8 +445,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat /* ask to report Wacom data */ if (features->device_type == BTN_TOOL_FINGER) { /* if it is an MT Tablet PC touch */ - if (features->type == TABLETPC2FG || - features->type == MTSCREEN) { + if (features->type > TABLETPC) { do { rep_data[0] = 3; rep_data[1] = 4; @@ -465,7 +464,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat } while ((error < 0 || rep_data[1] != 4) && limit++ < WAC_MSG_RETRIES); } - } else if (features->type != TABLETPC && + } else if (features->type <= BAMBOO_PT && features->type != WIRELESS && features->device_type == BTN_TOOL_PEN) { do { @@ -509,16 +508,13 @@ static int wacom_retrieve_hid_descriptor(struct usb_interface *intf, if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { features->device_type = 0; } else if (intf->cur_altsetting->desc.bInterfaceNumber == 2) { - features->device_type = BTN_TOOL_DOUBLETAP; + features->device_type = BTN_TOOL_FINGER; features->pktlen = WACOM_PKGLEN_BBTOUCH3; } } /* only devices that support touch need to retrieve the info */ - if (features->type != TABLETPC && - features->type != TABLETPC2FG && - features->type != BAMBOO_PT && - features->type != MTSCREEN) { + if (features->type < BAMBOO_PT) { goto out; } @@ -860,6 +856,7 @@ static int wacom_initialize_leds(struct wacom *wacom) /* Initialize default values */ switch (wacom->wacom_wac.features.type) { + case INTUOS4S: case INTUOS4: case INTUOS4L: wacom->led.select[0] = 0; @@ -913,6 +910,7 @@ static int wacom_initialize_leds(struct wacom *wacom) static void wacom_destroy_leds(struct wacom *wacom) { switch (wacom->wacom_wac.features.type) { + case INTUOS4S: case INTUOS4: case INTUOS4L: sysfs_remove_group(&wacom->intf->dev.kobj, @@ -972,6 +970,10 @@ static int wacom_initialize_battery(struct wacom *wacom) error = power_supply_register(&wacom->usbdev->dev, &wacom->battery); + + if (!error) + power_supply_powers(&wacom->battery, + &wacom->usbdev->dev); } return error; @@ -979,8 +981,11 @@ static int wacom_initialize_battery(struct wacom *wacom) static void wacom_destroy_battery(struct wacom *wacom) { - if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_MONITOR) + if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_MONITOR && + wacom->battery.dev) { power_supply_unregister(&wacom->battery); + wacom->battery.dev = NULL; + } } static int wacom_register_input(struct wacom *wacom) @@ -1027,23 +1032,30 @@ static void wacom_wireless_work(struct work_struct *work) struct wacom *wacom = container_of(work, struct wacom, work); struct usb_device *usbdev = wacom->usbdev; struct wacom_wac *wacom_wac = &wacom->wacom_wac; + struct wacom *wacom1, *wacom2; + struct wacom_wac *wacom_wac1, *wacom_wac2; + int error; /* * Regardless if this is a disconnect or a new tablet, - * remove any existing input devices. + * remove any existing input and battery devices. */ + wacom_destroy_battery(wacom); + /* Stylus interface */ - wacom = usb_get_intfdata(usbdev->config->interface[1]); - if (wacom->wacom_wac.input) - input_unregister_device(wacom->wacom_wac.input); - wacom->wacom_wac.input = NULL; + wacom1 = usb_get_intfdata(usbdev->config->interface[1]); + wacom_wac1 = &(wacom1->wacom_wac); + if (wacom_wac1->input) + input_unregister_device(wacom_wac1->input); + wacom_wac1->input = NULL; /* Touch interface */ - wacom = usb_get_intfdata(usbdev->config->interface[2]); - if (wacom->wacom_wac.input) - input_unregister_device(wacom->wacom_wac.input); - wacom->wacom_wac.input = NULL; + wacom2 = usb_get_intfdata(usbdev->config->interface[2]); + wacom_wac2 = &(wacom2->wacom_wac); + if (wacom_wac2->input) + input_unregister_device(wacom_wac2->input); + wacom_wac2->input = NULL; if (wacom_wac->pid == 0) { dev_info(&wacom->intf->dev, "wireless tablet disconnected\n"); @@ -1068,24 +1080,39 @@ static void wacom_wireless_work(struct work_struct *work) } /* Stylus interface */ - wacom = usb_get_intfdata(usbdev->config->interface[1]); - wacom_wac = &wacom->wacom_wac; - wacom_wac->features = + wacom_wac1->features = *((struct wacom_features *)id->driver_info); - wacom_wac->features.device_type = BTN_TOOL_PEN; - wacom_register_input(wacom); + wacom_wac1->features.device_type = BTN_TOOL_PEN; + error = wacom_register_input(wacom1); + if (error) + goto fail1; /* Touch interface */ - wacom = usb_get_intfdata(usbdev->config->interface[2]); - wacom_wac = &wacom->wacom_wac; - wacom_wac->features = + wacom_wac2->features = *((struct wacom_features *)id->driver_info); - wacom_wac->features.pktlen = WACOM_PKGLEN_BBTOUCH3; - wacom_wac->features.device_type = BTN_TOOL_FINGER; - wacom_set_phy_from_res(&wacom_wac->features); - wacom_wac->features.x_max = wacom_wac->features.y_max = 4096; - wacom_register_input(wacom); + wacom_wac2->features.pktlen = WACOM_PKGLEN_BBTOUCH3; + wacom_wac2->features.device_type = BTN_TOOL_FINGER; + wacom_set_phy_from_res(&wacom_wac2->features); + wacom_wac2->features.x_max = wacom_wac2->features.y_max = 4096; + error = wacom_register_input(wacom2); + if (error) + goto fail2; + + error = wacom_initialize_battery(wacom); + if (error) + goto fail3; } + + return; + +fail3: + input_unregister_device(wacom_wac2->input); + wacom_wac2->input = NULL; +fail2: + input_unregister_device(wacom_wac1->input); + wacom_wac1->input = NULL; +fail1: + return; } static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id) @@ -1149,10 +1176,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i features->device_type = BTN_TOOL_FINGER; features->pktlen = WACOM_PKGLEN_BBTOUCH3; - features->x_phy = - (features->x_max * 100) / features->x_resolution; - features->y_phy = - (features->y_max * 100) / features->y_resolution; + wacom_set_phy_from_res(features); features->x_max = 4096; features->y_max = 4096; @@ -1188,14 +1212,10 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i if (error) goto fail4; - error = wacom_initialize_battery(wacom); - if (error) - goto fail5; - if (!(features->quirks & WACOM_QUIRK_NO_INPUT)) { error = wacom_register_input(wacom); if (error) - goto fail6; + goto fail5; } /* Note that if query fails it is not a hard failure */ @@ -1210,7 +1230,6 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i return 0; - fail6: wacom_destroy_battery(wacom); fail5: wacom_destroy_leds(wacom); fail4: wacom_remove_shared_data(wacom_wac); fail3: usb_free_urb(wacom->irq); diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 004bc1bb154..2a81ce375f7 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -248,7 +248,7 @@ static int wacom_graphire_irq(struct wacom_wac *wacom) input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2])); input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4])); if (wacom->tool[0] != BTN_TOOL_MOUSE) { - input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8)); + input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x03) << 8)); input_report_key(input, BTN_TOUCH, data[1] & 0x01); input_report_key(input, BTN_STYLUS, data[1] & 0x02); input_report_key(input, BTN_STYLUS2, data[1] & 0x04); @@ -464,7 +464,7 @@ static void wacom_intuos_general(struct wacom_wac *wacom) t = (data[6] << 2) | ((data[7] >> 6) & 3); if ((features->type >= INTUOS4S && features->type <= INTUOS4L) || (features->type >= INTUOS5S && features->type <= INTUOS5L) || - features->type == WACOM_21UX2 || features->type == WACOM_24HD) { + (features->type >= WACOM_21UX2 && features->type <= WACOM_24HD)) { t = (t << 1) | (data[1] & 1); } input_report_abs(input, ABS_PRESSURE, t); @@ -614,7 +614,7 @@ static int wacom_intuos_irq(struct wacom_wac *wacom) input_report_abs(input, ABS_MISC, 0); } } else { - if (features->type == WACOM_21UX2) { + if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) { input_report_key(input, BTN_0, (data[5] & 0x01)); input_report_key(input, BTN_1, (data[6] & 0x01)); input_report_key(input, BTN_2, (data[6] & 0x02)); @@ -633,6 +633,12 @@ static int wacom_intuos_irq(struct wacom_wac *wacom) input_report_key(input, BTN_Z, (data[8] & 0x20)); input_report_key(input, BTN_BASE, (data[8] & 0x40)); input_report_key(input, BTN_BASE2, (data[8] & 0x80)); + + if (features->type == WACOM_22HD) { + input_report_key(input, KEY_PROG1, data[9] & 0x01); + input_report_key(input, KEY_PROG2, data[9] & 0x02); + input_report_key(input, KEY_PROG3, data[9] & 0x04); + } } else { input_report_key(input, BTN_0, (data[5] & 0x01)); input_report_key(input, BTN_1, (data[5] & 0x02)); @@ -888,7 +894,7 @@ static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len) prox = data[0] & 0x01; x = get_unaligned_le16(&data[1]); y = get_unaligned_le16(&data[3]); - } else { /* with capacity */ + } else { prox = data[1] & 0x01; x = le16_to_cpup((__le16 *)&data[2]); y = le16_to_cpup((__le16 *)&data[4]); @@ -961,6 +967,7 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) case WACOM_REPORT_TPC1FG: case WACOM_REPORT_TPCHID: case WACOM_REPORT_TPCST: + case WACOM_REPORT_TPC1FGE: return wacom_tpc_single_touch(wacom, len); case WACOM_REPORT_TPCMT: @@ -1230,6 +1237,7 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len) case CINTIQ: case WACOM_BEE: case WACOM_21UX2: + case WACOM_22HD: case WACOM_24HD: sync = wacom_intuos_irq(wacom_wac); break; @@ -1244,6 +1252,7 @@ void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len) break; case TABLETPC: + case TABLETPCE: case TABLETPC2FG: case MTSCREEN: sync = wacom_tpc_irq(wacom_wac, len); @@ -1317,10 +1326,8 @@ void wacom_setup_device_quirks(struct wacom_features *features) } /* these device have multiple inputs */ - if (features->type == TABLETPC || features->type == TABLETPC2FG || - features->type == BAMBOO_PT || features->type == WIRELESS || - (features->type >= INTUOS5S && features->type <= INTUOS5L) || - features->type == MTSCREEN) + if (features->type >= WIRELESS || + (features->type >= INTUOS5S && features->type <= INTUOS5L)) features->quirks |= WACOM_QUIRK_MULTI_INPUT; /* quirk for bamboo touch with 2 low res touches */ @@ -1432,6 +1439,12 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, wacom_setup_cintiq(wacom_wac); break; + case WACOM_22HD: + __set_bit(KEY_PROG1, input_dev->keybit); + __set_bit(KEY_PROG2, input_dev->keybit); + __set_bit(KEY_PROG3, input_dev->keybit); + /* fall through */ + case WACOM_21UX2: __set_bit(BTN_A, input_dev->keybit); __set_bit(BTN_B, input_dev->keybit); @@ -1517,7 +1530,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); - input_mt_init_slots(input_dev, features->touch_max); + input_mt_init_slots(input_dev, features->touch_max, 0); input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); @@ -1547,10 +1560,8 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; - case TABLETPC2FG: case MTSCREEN: if (features->device_type == BTN_TOOL_FINGER) { - wacom_wac->slots = kmalloc(features->touch_max * sizeof(int), GFP_KERNEL); @@ -1559,8 +1570,12 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, for (i = 0; i < features->touch_max; i++) wacom_wac->slots[i] = -1; + } + /* fall through */ - input_mt_init_slots(input_dev, features->touch_max); + case TABLETPC2FG: + if (features->device_type == BTN_TOOL_FINGER) { + input_mt_init_slots(input_dev, features->touch_max, 0); input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE, 0, MT_TOOL_MAX, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_X, @@ -1571,6 +1586,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, /* fall through */ case TABLETPC: + case TABLETPCE: __clear_bit(ABS_MISC, input_dev->absbit); __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); @@ -1615,7 +1631,7 @@ int 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_init_slots(input_dev, features->touch_max); + input_mt_init_slots(input_dev, features->touch_max, 0); if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) { __set_bit(BTN_TOOL_TRIPLETAP, @@ -1832,7 +1848,10 @@ static const struct wacom_features wacom_features_0x2A = { "Wacom Intuos5 M", WACOM_PKGLEN_INTUOS, 44704, 27940, 2047, 63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0xF4 = - { "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, + { "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, + 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; +static const struct wacom_features wacom_features_0xF8 = + { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0x3F = { "Wacom Cintiq 21UX", WACOM_PKGLEN_INTUOS, 87200, 65600, 1023, @@ -1855,6 +1874,9 @@ static const struct wacom_features wacom_features_0xF0 = static const struct wacom_features wacom_features_0xCC = { "Wacom Cintiq 21UX2", WACOM_PKGLEN_INTUOS, 87200, 65600, 2047, 63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; +static const struct wacom_features wacom_features_0xFA = + { "Wacom Cintiq 22HD", WACOM_PKGLEN_INTUOS, 95840, 54260, 2047, + 63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0x90 = { "Wacom ISDv4 90", WACOM_PKGLEN_GRAPHIRE, 26202, 16325, 255, 0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; @@ -1888,6 +1910,12 @@ static const struct wacom_features wacom_features_0xE6 = static const struct wacom_features wacom_features_0xEC = { "Wacom ISDv4 EC", WACOM_PKGLEN_GRAPHIRE, 25710, 14500, 255, 0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; +static const struct wacom_features wacom_features_0xED = + { "Wacom ISDv4 ED", WACOM_PKGLEN_GRAPHIRE, 26202, 16325, 255, + 0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; +static const struct wacom_features wacom_features_0xEF = + { "Wacom ISDv4 EF", WACOM_PKGLEN_GRAPHIRE, 26202, 16325, 255, + 0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; static const struct wacom_features wacom_features_0x47 = { "Wacom Intuos2 6x8", WACOM_PKGLEN_INTUOS, 20320, 16240, 1023, 31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; @@ -2062,8 +2090,12 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xE5) }, { USB_DEVICE_WACOM(0xE6) }, { USB_DEVICE_WACOM(0xEC) }, + { USB_DEVICE_WACOM(0xED) }, + { USB_DEVICE_WACOM(0xEF) }, { USB_DEVICE_WACOM(0x47) }, { USB_DEVICE_WACOM(0xF4) }, + { USB_DEVICE_WACOM(0xF8) }, + { USB_DEVICE_WACOM(0xFA) }, { USB_DEVICE_LENOVO(0x6004) }, { } }; diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h index 78fbd3f4200..96c185cc301 100644 --- a/drivers/input/tablet/wacom_wac.h +++ b/drivers/input/tablet/wacom_wac.h @@ -48,6 +48,7 @@ #define WACOM_REPORT_TPCMT 13 #define WACOM_REPORT_TPCHID 15 #define WACOM_REPORT_TPCST 16 +#define WACOM_REPORT_TPC1FGE 18 /* device quirks */ #define WACOM_QUIRK_MULTI_INPUT 0x0001 @@ -62,8 +63,6 @@ enum { PTU, PL, DTU, - BAMBOO_PT, - WIRELESS, INTUOS, INTUOS3S, INTUOS3, @@ -74,12 +73,16 @@ enum { INTUOS5S, INTUOS5, INTUOS5L, - WACOM_24HD, WACOM_21UX2, + WACOM_22HD, + WACOM_24HD, CINTIQ, WACOM_BEE, WACOM_MO, - TABLETPC, + WIRELESS, + BAMBOO_PT, + TABLETPC, /* add new TPC below */ + TABLETPCE, TABLETPC2FG, MTSCREEN, MAX_TYPE diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 98d263504ee..1ba232cbc09 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -369,6 +369,18 @@ config TOUCHSCREEN_MCS5000 To compile this driver as a module, choose M here: the module will be called mcs5000_ts. +config TOUCHSCREEN_MMS114 + tristate "MELFAS MMS114 touchscreen" + depends on I2C + help + Say Y here if you have the MELFAS MMS114 touchscreen controller + chip in your system. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called mms114. + config TOUCHSCREEN_MTOUCH tristate "MicroTouch serial touchscreens" select SERIO @@ -460,6 +472,19 @@ config TOUCHSCREEN_PENMOUNT To compile this driver as a module, choose M here: the module will be called penmount. +config TOUCHSCREEN_EDT_FT5X06 + tristate "EDT FocalTech FT5x06 I2C Touchscreen support" + depends on I2C + help + Say Y here if you have an EDT "Polytouch" touchscreen based + on the FocalTech FT5x06 family of controllers connected to + your system. + + If unsure, say N. + + To compile this driver as a module, choose M here: the + module will be called edt-ft5x06. + config TOUCHSCREEN_MIGOR tristate "Renesas MIGO-R touchscreen" depends on SH_MIGOR && I2C diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile index eb8bfe1c1a4..178eb128d90 100644 --- a/drivers/input/touchscreen/Makefile +++ b/drivers/input/touchscreen/Makefile @@ -24,6 +24,7 @@ obj-$(CONFIG_TOUCHSCREEN_CYTTSP_SPI) += cyttsp_spi.o obj-$(CONFIG_TOUCHSCREEN_DA9034) += da9034-ts.o obj-$(CONFIG_TOUCHSCREEN_DA9052) += da9052_tsi.o obj-$(CONFIG_TOUCHSCREEN_DYNAPRO) += dynapro.o +obj-$(CONFIG_TOUCHSCREEN_EDT_FT5X06) += edt-ft5x06.o obj-$(CONFIG_TOUCHSCREEN_HAMPSHIRE) += hampshire.o obj-$(CONFIG_TOUCHSCREEN_GUNZE) += gunze.o obj-$(CONFIG_TOUCHSCREEN_EETI) += eeti_ts.o @@ -38,6 +39,7 @@ obj-$(CONFIG_TOUCHSCREEN_MAX11801) += max11801_ts.o obj-$(CONFIG_TOUCHSCREEN_MC13783) += mc13783_ts.o obj-$(CONFIG_TOUCHSCREEN_MCS5000) += mcs5000_ts.o obj-$(CONFIG_TOUCHSCREEN_MIGOR) += migor_ts.o +obj-$(CONFIG_TOUCHSCREEN_MMS114) += mms114.o obj-$(CONFIG_TOUCHSCREEN_MTOUCH) += mtouch.o obj-$(CONFIG_TOUCHSCREEN_MK712) += mk712.o obj-$(CONFIG_TOUCHSCREEN_HP600) += hp680_ts_input.o diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c index bd4eb427769..facd3057b62 100644 --- a/drivers/input/touchscreen/ad7879.c +++ b/drivers/input/touchscreen/ad7879.c @@ -118,6 +118,7 @@ struct ad7879 { unsigned int irq; bool disabled; /* P: input->mutex */ bool suspended; /* P: input->mutex */ + bool swap_xy; u16 conversion_data[AD7879_NR_SENSE]; char phys[32]; u8 first_conversion_delay; @@ -161,6 +162,9 @@ static int ad7879_report(struct ad7879 *ts) z1 = ts->conversion_data[AD7879_SEQ_Z1] & MAX_12BIT; z2 = ts->conversion_data[AD7879_SEQ_Z2] & MAX_12BIT; + if (ts->swap_xy) + swap(x, y); + /* * The samples processed here are already preprocessed by the AD7879. * The preprocessing function consists of a median and an averaging @@ -520,6 +524,7 @@ struct ad7879 *ad7879_probe(struct device *dev, u8 devid, unsigned int irq, ts->dev = dev; ts->input = input_dev; ts->irq = irq; + ts->swap_xy = pdata->swap_xy; setup_timer(&ts->timer, ad7879_timer, (unsigned long) ts); diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 25fd0561a17..e92615d0b1b 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -36,6 +36,7 @@ #define MXT_FW_NAME "maxtouch.fw" /* Registers */ +#define MXT_INFO 0x00 #define MXT_FAMILY_ID 0x00 #define MXT_VARIANT_ID 0x01 #define MXT_VERSION 0x02 @@ -194,6 +195,7 @@ #define MXT_BOOT_STATUS_MASK 0x3f /* Touch status */ +#define MXT_UNGRIP (1 << 0) #define MXT_SUPPRESS (1 << 1) #define MXT_AMP (1 << 2) #define MXT_VECTOR (1 << 3) @@ -210,8 +212,6 @@ /* Touchscreen absolute values */ #define MXT_MAX_AREA 0xff -#define MXT_MAX_FINGER 10 - struct mxt_info { u8 family_id; u8 variant_id; @@ -225,44 +225,37 @@ struct mxt_info { struct mxt_object { u8 type; u16 start_address; - u8 size; - u8 instances; + u8 size; /* Size of each instance - 1 */ + u8 instances; /* Number of instances - 1 */ u8 num_report_ids; - - /* to map object and message */ - u8 max_reportid; -}; +} __packed; struct mxt_message { u8 reportid; u8 message[7]; }; -struct mxt_finger { - int status; - int x; - int y; - int area; - int pressure; -}; - /* Each client has this additional data */ struct mxt_data { struct i2c_client *client; struct input_dev *input_dev; + char phys[64]; /* device physical location */ const struct mxt_platform_data *pdata; struct mxt_object *object_table; struct mxt_info info; - struct mxt_finger finger[MXT_MAX_FINGER]; unsigned int irq; unsigned int max_x; unsigned int max_y; + + /* Cached parameters from object table */ + u8 T6_reportid; + u8 T9_reportid_min; + u8 T9_reportid_max; }; static bool mxt_object_readable(unsigned int type) { switch (type) { - case MXT_GEN_MESSAGE_T5: case MXT_GEN_COMMAND_T6: case MXT_GEN_POWER_T7: case MXT_GEN_ACQUIRE_T8: @@ -396,6 +389,7 @@ static int __mxt_read_reg(struct i2c_client *client, { struct i2c_msg xfer[2]; u8 buf[2]; + int ret; buf[0] = reg & 0xff; buf[1] = (reg >> 8) & 0xff; @@ -412,12 +406,17 @@ static int __mxt_read_reg(struct i2c_client *client, xfer[1].len = len; xfer[1].buf = val; - if (i2c_transfer(client->adapter, xfer, 2) != 2) { - dev_err(&client->dev, "%s: i2c transfer failed\n", __func__); - return -EIO; + ret = i2c_transfer(client->adapter, xfer, 2); + if (ret == 2) { + ret = 0; + } else { + if (ret >= 0) + ret = -EIO; + dev_err(&client->dev, "%s: i2c transfer failed (%d)\n", + __func__, ret); } - return 0; + return ret; } static int mxt_read_reg(struct i2c_client *client, u16 reg, u8 *val) @@ -425,27 +424,39 @@ static int mxt_read_reg(struct i2c_client *client, u16 reg, u8 *val) return __mxt_read_reg(client, reg, 1, val); } -static int mxt_write_reg(struct i2c_client *client, u16 reg, u8 val) +static int __mxt_write_reg(struct i2c_client *client, u16 reg, u16 len, + const void *val) { - u8 buf[3]; + u8 *buf; + size_t count; + int ret; + + count = len + 2; + buf = kmalloc(count, GFP_KERNEL); + if (!buf) + return -ENOMEM; buf[0] = reg & 0xff; buf[1] = (reg >> 8) & 0xff; - buf[2] = val; + memcpy(&buf[2], val, len); - if (i2c_master_send(client, buf, 3) != 3) { - dev_err(&client->dev, "%s: i2c send failed\n", __func__); - return -EIO; + ret = i2c_master_send(client, buf, count); + if (ret == count) { + ret = 0; + } else { + if (ret >= 0) + ret = -EIO; + dev_err(&client->dev, "%s: i2c send failed (%d)\n", + __func__, ret); } - return 0; + kfree(buf); + return ret; } -static int mxt_read_object_table(struct i2c_client *client, - u16 reg, u8 *object_buf) +static int mxt_write_reg(struct i2c_client *client, u16 reg, u8 val) { - return __mxt_read_reg(client, reg, MXT_OBJECT_SIZE, - object_buf); + return __mxt_write_reg(client, reg, 1, &val); } static struct mxt_object * @@ -479,20 +490,6 @@ static int mxt_read_message(struct mxt_data *data, sizeof(struct mxt_message), message); } -static int mxt_read_object(struct mxt_data *data, - u8 type, u8 offset, u8 *val) -{ - struct mxt_object *object; - u16 reg; - - object = mxt_get_object(data, type); - if (!object) - return -EINVAL; - - reg = object->start_address; - return __mxt_read_reg(data->client, reg + offset, 1, val); -} - static int mxt_write_object(struct mxt_data *data, u8 type, u8 offset, u8 val) { @@ -507,75 +504,17 @@ static int mxt_write_object(struct mxt_data *data, return mxt_write_reg(data->client, reg + offset, val); } -static void mxt_input_report(struct mxt_data *data, int single_id) -{ - struct mxt_finger *finger = data->finger; - struct input_dev *input_dev = data->input_dev; - int status = finger[single_id].status; - int finger_num = 0; - int id; - - for (id = 0; id < MXT_MAX_FINGER; id++) { - if (!finger[id].status) - continue; - - input_mt_slot(input_dev, id); - input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, - finger[id].status != MXT_RELEASE); - - if (finger[id].status != MXT_RELEASE) { - finger_num++; - input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, - finger[id].area); - input_report_abs(input_dev, ABS_MT_POSITION_X, - finger[id].x); - input_report_abs(input_dev, ABS_MT_POSITION_Y, - finger[id].y); - input_report_abs(input_dev, ABS_MT_PRESSURE, - finger[id].pressure); - } else { - finger[id].status = 0; - } - } - - input_report_key(input_dev, BTN_TOUCH, finger_num > 0); - - if (status != MXT_RELEASE) { - input_report_abs(input_dev, ABS_X, finger[single_id].x); - input_report_abs(input_dev, ABS_Y, finger[single_id].y); - input_report_abs(input_dev, - ABS_PRESSURE, finger[single_id].pressure); - } - - input_sync(input_dev); -} - static void mxt_input_touchevent(struct mxt_data *data, struct mxt_message *message, int id) { - struct mxt_finger *finger = data->finger; struct device *dev = &data->client->dev; u8 status = message->message[0]; + struct input_dev *input_dev = data->input_dev; int x; int y; int area; int pressure; - /* Check the touch is present on the screen */ - if (!(status & MXT_DETECT)) { - if (status & MXT_RELEASE) { - dev_dbg(dev, "[%d] released\n", id); - - finger[id].status = MXT_RELEASE; - mxt_input_report(data, id); - } - return; - } - - /* Check only AMP detection */ - if (!(status & (MXT_PRESS | MXT_MOVE))) - return; - x = (message->message[1] << 4) | ((message->message[3] >> 4) & 0xf); y = (message->message[2] << 4) | ((message->message[3] & 0xf)); if (data->max_x < 1024) @@ -586,30 +525,50 @@ static void mxt_input_touchevent(struct mxt_data *data, area = message->message[4]; pressure = message->message[5]; - dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id, - status & MXT_MOVE ? "moved" : "pressed", - x, y, area); + dev_dbg(dev, + "[%u] %c%c%c%c%c%c%c%c x: %5u y: %5u area: %3u amp: %3u\n", + id, + (status & MXT_DETECT) ? 'D' : '.', + (status & MXT_PRESS) ? 'P' : '.', + (status & MXT_RELEASE) ? 'R' : '.', + (status & MXT_MOVE) ? 'M' : '.', + (status & MXT_VECTOR) ? 'V' : '.', + (status & MXT_AMP) ? 'A' : '.', + (status & MXT_SUPPRESS) ? 'S' : '.', + (status & MXT_UNGRIP) ? 'U' : '.', + x, y, area, pressure); + + input_mt_slot(input_dev, id); + input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, + status & MXT_DETECT); + + if (status & MXT_DETECT) { + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); + input_report_abs(input_dev, ABS_MT_PRESSURE, pressure); + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area); + } +} - finger[id].status = status & MXT_MOVE ? - MXT_MOVE : MXT_PRESS; - finger[id].x = x; - finger[id].y = y; - finger[id].area = area; - finger[id].pressure = pressure; +static unsigned mxt_extract_T6_csum(const u8 *csum) +{ + return csum[0] | (csum[1] << 8) | (csum[2] << 16); +} - mxt_input_report(data, id); +static bool mxt_is_T9_message(struct mxt_data *data, struct mxt_message *msg) +{ + u8 id = msg->reportid; + return (id >= data->T9_reportid_min && id <= data->T9_reportid_max); } static irqreturn_t mxt_interrupt(int irq, void *dev_id) { struct mxt_data *data = dev_id; struct mxt_message message; - struct mxt_object *object; + const u8 *payload = &message.message[0]; struct device *dev = &data->client->dev; - int id; u8 reportid; - u8 max_reportid; - u8 min_reportid; + bool update_input = false; do { if (mxt_read_message(data, &message)) { @@ -619,21 +578,25 @@ static irqreturn_t mxt_interrupt(int irq, void *dev_id) reportid = message.reportid; - /* whether reportid is thing of MXT_TOUCH_MULTI_T9 */ - object = mxt_get_object(data, MXT_TOUCH_MULTI_T9); - if (!object) - goto end; - - max_reportid = object->max_reportid; - min_reportid = max_reportid - object->num_report_ids + 1; - id = reportid - min_reportid; - - if (reportid >= min_reportid && reportid <= max_reportid) + if (reportid == data->T6_reportid) { + u8 status = payload[0]; + unsigned csum = mxt_extract_T6_csum(&payload[1]); + dev_dbg(dev, "Status: %02x Config Checksum: %06x\n", + status, csum); + } else if (mxt_is_T9_message(data, &message)) { + int id = reportid - data->T9_reportid_min; mxt_input_touchevent(data, &message, id); - else + update_input = true; + } else { mxt_dump_message(dev, &message); + } } while (reportid != 0xff); + if (update_input) { + input_mt_report_pointer_emulation(data->input_dev, false); + input_sync(data->input_dev); + } + end: return IRQ_HANDLED; } @@ -644,7 +607,8 @@ static int mxt_check_reg_init(struct mxt_data *data) struct mxt_object *object; struct device *dev = &data->client->dev; int index = 0; - int i, j, config_offset; + int i, size; + int ret; if (!pdata->config) { dev_dbg(dev, "No cfg data defined, skipping reg init\n"); @@ -657,18 +621,17 @@ static int mxt_check_reg_init(struct mxt_data *data) if (!mxt_object_writable(object->type)) continue; - for (j = 0; - j < (object->size + 1) * (object->instances + 1); - j++) { - config_offset = index + j; - if (config_offset > pdata->config_length) { - dev_err(dev, "Not enough config data!\n"); - return -EINVAL; - } - mxt_write_object(data, object->type, j, - pdata->config[config_offset]); + size = (object->size + 1) * (object->instances + 1); + if (index + size > pdata->config_length) { + dev_err(dev, "Not enough config data!\n"); + return -EINVAL; } - index += (object->size + 1) * (object->instances + 1); + + ret = __mxt_write_reg(data->client, object->start_address, + size, &pdata->config[index]); + if (ret) + return ret; + index += size; } return 0; @@ -749,68 +712,76 @@ static int mxt_get_info(struct mxt_data *data) struct i2c_client *client = data->client; struct mxt_info *info = &data->info; int error; - u8 val; - error = mxt_read_reg(client, MXT_FAMILY_ID, &val); + /* Read 7-byte info block starting at address 0 */ + error = __mxt_read_reg(client, MXT_INFO, sizeof(*info), info); if (error) return error; - info->family_id = val; - - error = mxt_read_reg(client, MXT_VARIANT_ID, &val); - if (error) - return error; - info->variant_id = val; - - error = mxt_read_reg(client, MXT_VERSION, &val); - if (error) - return error; - info->version = val; - - error = mxt_read_reg(client, MXT_BUILD, &val); - if (error) - return error; - info->build = val; - - error = mxt_read_reg(client, MXT_OBJECT_NUM, &val); - if (error) - return error; - info->object_num = val; return 0; } static int mxt_get_object_table(struct mxt_data *data) { + struct i2c_client *client = data->client; + size_t table_size; int error; int i; - u16 reg; - u8 reportid = 0; - u8 buf[MXT_OBJECT_SIZE]; + u8 reportid; + + table_size = data->info.object_num * sizeof(struct mxt_object); + error = __mxt_read_reg(client, MXT_OBJECT_START, table_size, + data->object_table); + if (error) + return error; + /* Valid Report IDs start counting from 1 */ + reportid = 1; for (i = 0; i < data->info.object_num; i++) { struct mxt_object *object = data->object_table + i; + u8 min_id, max_id; - reg = MXT_OBJECT_START + MXT_OBJECT_SIZE * i; - error = mxt_read_object_table(data->client, reg, buf); - if (error) - return error; - - object->type = buf[0]; - object->start_address = (buf[2] << 8) | buf[1]; - object->size = buf[3]; - object->instances = buf[4]; - object->num_report_ids = buf[5]; + le16_to_cpus(&object->start_address); if (object->num_report_ids) { + min_id = reportid; reportid += object->num_report_ids * (object->instances + 1); - object->max_reportid = reportid; + max_id = reportid - 1; + } else { + min_id = 0; + max_id = 0; + } + + dev_dbg(&data->client->dev, + "Type %2d Start %3d Size %3d Instances %2d ReportIDs %3u : %3u\n", + object->type, object->start_address, object->size + 1, + object->instances + 1, min_id, max_id); + + switch (object->type) { + case MXT_GEN_COMMAND_T6: + data->T6_reportid = min_id; + break; + case MXT_TOUCH_MULTI_T9: + data->T9_reportid_min = min_id; + data->T9_reportid_max = max_id; + break; } } return 0; } +static void mxt_free_object_table(struct mxt_data *data) +{ + kfree(data->object_table); + data->object_table = NULL; + data->T6_reportid = 0; + data->T9_reportid_min = 0; + data->T9_reportid_max = 0; + +} + static int mxt_initialize(struct mxt_data *data) { struct i2c_client *client = data->client; @@ -833,12 +804,12 @@ static int mxt_initialize(struct mxt_data *data) /* Get object table information */ error = mxt_get_object_table(data); if (error) - return error; + goto err_free_object_table; /* Check register init values */ error = mxt_check_reg_init(data); if (error) - return error; + goto err_free_object_table; mxt_handle_pdata(data); @@ -856,25 +827,29 @@ static int mxt_initialize(struct mxt_data *data) /* Update matrix size at info struct */ error = mxt_read_reg(client, MXT_MATRIX_X_SIZE, &val); if (error) - return error; + goto err_free_object_table; info->matrix_xsize = val; error = mxt_read_reg(client, MXT_MATRIX_Y_SIZE, &val); if (error) - return error; + goto err_free_object_table; info->matrix_ysize = val; dev_info(&client->dev, - "Family ID: %d Variant ID: %d Version: %d Build: %d\n", - info->family_id, info->variant_id, info->version, - info->build); + "Family ID: %u Variant ID: %u Major.Minor.Build: %u.%u.%02X\n", + info->family_id, info->variant_id, info->version >> 4, + info->version & 0xf, info->build); dev_info(&client->dev, - "Matrix X Size: %d Matrix Y Size: %d Object Num: %d\n", + "Matrix X Size: %u Matrix Y Size: %u Object Num: %u\n", info->matrix_xsize, info->matrix_ysize, info->object_num); return 0; + +err_free_object_table: + mxt_free_object_table(data); + return error; } static void mxt_calc_resolution(struct mxt_data *data) @@ -891,6 +866,44 @@ static void mxt_calc_resolution(struct mxt_data *data) } } +/* Firmware Version is returned as Major.Minor.Build */ +static ssize_t mxt_fw_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mxt_data *data = dev_get_drvdata(dev); + struct mxt_info *info = &data->info; + return scnprintf(buf, PAGE_SIZE, "%u.%u.%02X\n", + info->version >> 4, info->version & 0xf, info->build); +} + +/* Hardware Version is returned as FamilyID.VariantID */ +static ssize_t mxt_hw_version_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct mxt_data *data = dev_get_drvdata(dev); + struct mxt_info *info = &data->info; + return scnprintf(buf, PAGE_SIZE, "%u.%u\n", + info->family_id, info->variant_id); +} + +static ssize_t mxt_show_instance(char *buf, int count, + struct mxt_object *object, int instance, + const u8 *val) +{ + int i; + + if (object->instances > 0) + count += scnprintf(buf + count, PAGE_SIZE - count, + "Instance %u\n", instance); + + for (i = 0; i < object->size + 1; i++) + count += scnprintf(buf + count, PAGE_SIZE - count, + "\t[%2u]: %02x (%d)\n", i, val[i], val[i]); + count += scnprintf(buf + count, PAGE_SIZE - count, "\n"); + + return count; +} + static ssize_t mxt_object_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -899,43 +912,38 @@ static ssize_t mxt_object_show(struct device *dev, int count = 0; int i, j; int error; - u8 val; + u8 *obuf; + /* Pre-allocate buffer large enough to hold max sized object. */ + obuf = kmalloc(256, GFP_KERNEL); + if (!obuf) + return -ENOMEM; + + error = 0; for (i = 0; i < data->info.object_num; i++) { object = data->object_table + i; - count += snprintf(buf + count, PAGE_SIZE - count, - "Object[%d] (Type %d)\n", - i + 1, object->type); - if (count >= PAGE_SIZE) - return PAGE_SIZE - 1; - - if (!mxt_object_readable(object->type)) { - count += snprintf(buf + count, PAGE_SIZE - count, - "\n"); - if (count >= PAGE_SIZE) - return PAGE_SIZE - 1; + if (!mxt_object_readable(object->type)) continue; - } - for (j = 0; j < object->size + 1; j++) { - error = mxt_read_object(data, - object->type, j, &val); + count += scnprintf(buf + count, PAGE_SIZE - count, + "T%u:\n", object->type); + + for (j = 0; j < object->instances + 1; j++) { + u16 size = object->size + 1; + u16 addr = object->start_address + j * size; + + error = __mxt_read_reg(data->client, addr, size, obuf); if (error) - return error; + goto done; - count += snprintf(buf + count, PAGE_SIZE - count, - "\t[%2d]: %02x (%d)\n", j, val, val); - if (count >= PAGE_SIZE) - return PAGE_SIZE - 1; + count = mxt_show_instance(buf, count, object, j, obuf); } - - count += snprintf(buf + count, PAGE_SIZE - count, "\n"); - if (count >= PAGE_SIZE) - return PAGE_SIZE - 1; } - return count; +done: + kfree(obuf); + return error ?: count; } static int mxt_load_fw(struct device *dev, const char *fn) @@ -1028,8 +1036,7 @@ static ssize_t mxt_update_fw_store(struct device *dev, /* Wait for reset */ msleep(MXT_FWRESET_TIME); - kfree(data->object_table); - data->object_table = NULL; + mxt_free_object_table(data); mxt_initialize(data); } @@ -1043,10 +1050,14 @@ static ssize_t mxt_update_fw_store(struct device *dev, return count; } +static DEVICE_ATTR(fw_version, S_IRUGO, mxt_fw_version_show, NULL); +static DEVICE_ATTR(hw_version, S_IRUGO, mxt_hw_version_show, NULL); static DEVICE_ATTR(object, S_IRUGO, mxt_object_show, NULL); static DEVICE_ATTR(update_fw, S_IWUSR, NULL, mxt_update_fw_store); static struct attribute *mxt_attrs[] = { + &dev_attr_fw_version.attr, + &dev_attr_hw_version.attr, &dev_attr_object.attr, &dev_attr_update_fw.attr, NULL @@ -1093,6 +1104,7 @@ static int __devinit mxt_probe(struct i2c_client *client, struct mxt_data *data; struct input_dev *input_dev; int error; + unsigned int num_mt_slots; if (!pdata) return -EINVAL; @@ -1106,6 +1118,10 @@ static int __devinit mxt_probe(struct i2c_client *client, } input_dev->name = "Atmel maXTouch Touchscreen"; + snprintf(data->phys, sizeof(data->phys), "i2c-%u-%04x/input0", + client->adapter->nr, client->addr); + input_dev->phys = data->phys; + input_dev->id.bustype = BUS_I2C; input_dev->dev.parent = &client->dev; input_dev->open = mxt_input_open; @@ -1118,6 +1134,10 @@ static int __devinit mxt_probe(struct i2c_client *client, mxt_calc_resolution(data); + error = mxt_initialize(data); + if (error) + goto err_free_mem; + __set_bit(EV_ABS, input_dev->evbit); __set_bit(EV_KEY, input_dev->evbit); __set_bit(BTN_TOUCH, input_dev->keybit); @@ -1131,7 +1151,10 @@ static int __devinit mxt_probe(struct i2c_client *client, 0, 255, 0, 0); /* For multi touch */ - input_mt_init_slots(input_dev, MXT_MAX_FINGER); + num_mt_slots = data->T9_reportid_max - data->T9_reportid_min + 1; + error = input_mt_init_slots(input_dev, num_mt_slots, 0); + if (error) + goto err_free_object; input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MXT_MAX_AREA, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_X, @@ -1144,13 +1167,9 @@ static int __devinit mxt_probe(struct i2c_client *client, input_set_drvdata(input_dev, data); i2c_set_clientdata(client, data); - error = mxt_initialize(data); - if (error) - goto err_free_object; - error = request_threaded_irq(client->irq, NULL, mxt_interrupt, pdata->irqflags | IRQF_ONESHOT, - client->dev.driver->name, data); + client->name, data); if (error) { dev_err(&client->dev, "Failed to register interrupt\n"); goto err_free_object; diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c index f030d9ec795..8e60437ac85 100644 --- a/drivers/input/touchscreen/cyttsp_core.c +++ b/drivers/input/touchscreen/cyttsp_core.c @@ -571,7 +571,7 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, CY_MAXZ, 0, 0); - input_mt_init_slots(input_dev, CY_MAX_ID); + input_mt_init_slots(input_dev, CY_MAX_ID, 0); error = request_threaded_irq(ts->irq, NULL, cyttsp_irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c new file mode 100644 index 00000000000..099d144ab7c --- /dev/null +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -0,0 +1,901 @@ +/* + * Copyright (C) 2012 Simon Budig, <simon.budig@kernelconcepts.de> + * + * 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. + * + * You should have received a copy of the GNU General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * This is a driver for the EDT "Polytouch" family of touch controllers + * based on the FocalTech FT5x06 line of chips. + * + * Development of this driver has been sponsored by Glyn: + * http://www.glyn.com/Products/Displays + */ + +#include <linux/module.h> +#include <linux/ratelimit.h> +#include <linux/interrupt.h> +#include <linux/input.h> +#include <linux/i2c.h> +#include <linux/uaccess.h> +#include <linux/delay.h> +#include <linux/debugfs.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/input/mt.h> +#include <linux/input/edt-ft5x06.h> + +#define MAX_SUPPORT_POINTS 5 + +#define WORK_REGISTER_THRESHOLD 0x00 +#define WORK_REGISTER_REPORT_RATE 0x08 +#define WORK_REGISTER_GAIN 0x30 +#define WORK_REGISTER_OFFSET 0x31 +#define WORK_REGISTER_NUM_X 0x33 +#define WORK_REGISTER_NUM_Y 0x34 + +#define WORK_REGISTER_OPMODE 0x3c +#define FACTORY_REGISTER_OPMODE 0x01 + +#define TOUCH_EVENT_DOWN 0x00 +#define TOUCH_EVENT_UP 0x01 +#define TOUCH_EVENT_ON 0x02 +#define TOUCH_EVENT_RESERVED 0x03 + +#define EDT_NAME_LEN 23 +#define EDT_SWITCH_MODE_RETRIES 10 +#define EDT_SWITCH_MODE_DELAY 5 /* msec */ +#define EDT_RAW_DATA_RETRIES 100 +#define EDT_RAW_DATA_DELAY 1 /* msec */ + +struct edt_ft5x06_ts_data { + struct i2c_client *client; + struct input_dev *input; + u16 num_x; + u16 num_y; + +#if defined(CONFIG_DEBUG_FS) + struct dentry *debug_dir; + u8 *raw_buffer; + size_t raw_bufsize; +#endif + + struct mutex mutex; + bool factory_mode; + int threshold; + int gain; + int offset; + int report_rate; + + char name[EDT_NAME_LEN]; +}; + +static int edt_ft5x06_ts_readwrite(struct i2c_client *client, + u16 wr_len, u8 *wr_buf, + u16 rd_len, u8 *rd_buf) +{ + struct i2c_msg wrmsg[2]; + int i = 0; + int ret; + + if (wr_len) { + wrmsg[i].addr = client->addr; + wrmsg[i].flags = 0; + wrmsg[i].len = wr_len; + wrmsg[i].buf = wr_buf; + i++; + } + if (rd_len) { + wrmsg[i].addr = client->addr; + wrmsg[i].flags = I2C_M_RD; + wrmsg[i].len = rd_len; + wrmsg[i].buf = rd_buf; + i++; + } + + ret = i2c_transfer(client->adapter, wrmsg, i); + if (ret < 0) + return ret; + if (ret != i) + return -EIO; + + return 0; +} + +static bool edt_ft5x06_ts_check_crc(struct edt_ft5x06_ts_data *tsdata, + u8 *buf, int buflen) +{ + int i; + u8 crc = 0; + + for (i = 0; i < buflen - 1; i++) + crc ^= buf[i]; + + if (crc != buf[buflen-1]) { + dev_err_ratelimited(&tsdata->client->dev, + "crc error: 0x%02x expected, got 0x%02x\n", + crc, buf[buflen-1]); + return false; + } + + return true; +} + +static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) +{ + struct edt_ft5x06_ts_data *tsdata = dev_id; + struct device *dev = &tsdata->client->dev; + u8 cmd = 0xf9; + u8 rdbuf[26]; + int i, type, x, y, id; + int error; + + memset(rdbuf, 0, sizeof(rdbuf)); + + error = edt_ft5x06_ts_readwrite(tsdata->client, + sizeof(cmd), &cmd, + sizeof(rdbuf), rdbuf); + if (error) { + dev_err_ratelimited(dev, "Unable to fetch data, error: %d\n", + error); + goto out; + } + + if (rdbuf[0] != 0xaa || rdbuf[1] != 0xaa || rdbuf[2] != 26) { + dev_err_ratelimited(dev, "Unexpected header: %02x%02x%02x!\n", + rdbuf[0], rdbuf[1], rdbuf[2]); + goto out; + } + + if (!edt_ft5x06_ts_check_crc(tsdata, rdbuf, 26)) + goto out; + + for (i = 0; i < MAX_SUPPORT_POINTS; i++) { + u8 *buf = &rdbuf[i * 4 + 5]; + bool down; + + type = buf[0] >> 6; + /* ignore Reserved events */ + if (type == TOUCH_EVENT_RESERVED) + continue; + + x = ((buf[0] << 8) | buf[1]) & 0x0fff; + y = ((buf[2] << 8) | buf[3]) & 0x0fff; + id = (buf[2] >> 4) & 0x0f; + down = (type != TOUCH_EVENT_UP); + + input_mt_slot(tsdata->input, id); + input_mt_report_slot_state(tsdata->input, MT_TOOL_FINGER, down); + + if (!down) + continue; + + input_report_abs(tsdata->input, ABS_MT_POSITION_X, x); + input_report_abs(tsdata->input, ABS_MT_POSITION_Y, y); + } + + input_mt_report_pointer_emulation(tsdata->input, true); + input_sync(tsdata->input); + +out: + return IRQ_HANDLED; +} + +static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata, + u8 addr, u8 value) +{ + u8 wrbuf[4]; + + wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc; + wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; + wrbuf[2] = value; + wrbuf[3] = wrbuf[0] ^ wrbuf[1] ^ wrbuf[2]; + + return edt_ft5x06_ts_readwrite(tsdata->client, 4, wrbuf, 0, NULL); +} + +static int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata, + u8 addr) +{ + u8 wrbuf[2], rdbuf[2]; + int error; + + wrbuf[0] = tsdata->factory_mode ? 0xf3 : 0xfc; + wrbuf[1] = tsdata->factory_mode ? addr & 0x7f : addr & 0x3f; + wrbuf[1] |= tsdata->factory_mode ? 0x80 : 0x40; + + error = edt_ft5x06_ts_readwrite(tsdata->client, 2, wrbuf, 2, rdbuf); + if (error) + return error; + + if ((wrbuf[0] ^ wrbuf[1] ^ rdbuf[0]) != rdbuf[1]) { + dev_err(&tsdata->client->dev, + "crc error: 0x%02x expected, got 0x%02x\n", + wrbuf[0] ^ wrbuf[1] ^ rdbuf[0], rdbuf[1]); + return -EIO; + } + + return rdbuf[0]; +} + +struct edt_ft5x06_attribute { + struct device_attribute dattr; + size_t field_offset; + u8 limit_low; + u8 limit_high; + u8 addr; +}; + +#define EDT_ATTR(_field, _mode, _addr, _limit_low, _limit_high) \ + struct edt_ft5x06_attribute edt_ft5x06_attr_##_field = { \ + .dattr = __ATTR(_field, _mode, \ + edt_ft5x06_setting_show, \ + edt_ft5x06_setting_store), \ + .field_offset = \ + offsetof(struct edt_ft5x06_ts_data, _field), \ + .limit_low = _limit_low, \ + .limit_high = _limit_high, \ + .addr = _addr, \ + } + +static ssize_t edt_ft5x06_setting_show(struct device *dev, + struct device_attribute *dattr, + char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); + struct edt_ft5x06_attribute *attr = + container_of(dattr, struct edt_ft5x06_attribute, dattr); + u8 *field = (u8 *)((char *)tsdata + attr->field_offset); + int val; + size_t count = 0; + int error = 0; + + mutex_lock(&tsdata->mutex); + + if (tsdata->factory_mode) { + error = -EIO; + goto out; + } + + val = edt_ft5x06_register_read(tsdata, attr->addr); + if (val < 0) { + error = val; + dev_err(&tsdata->client->dev, + "Failed to fetch attribute %s, error %d\n", + dattr->attr.name, error); + goto out; + } + + if (val != *field) { + dev_warn(&tsdata->client->dev, + "%s: read (%d) and stored value (%d) differ\n", + dattr->attr.name, val, *field); + *field = val; + } + + count = scnprintf(buf, PAGE_SIZE, "%d\n", val); +out: + mutex_unlock(&tsdata->mutex); + return error ?: count; +} + +static ssize_t edt_ft5x06_setting_store(struct device *dev, + struct device_attribute *dattr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); + struct edt_ft5x06_attribute *attr = + container_of(dattr, struct edt_ft5x06_attribute, dattr); + u8 *field = (u8 *)((char *)tsdata + attr->field_offset); + unsigned int val; + int error; + + mutex_lock(&tsdata->mutex); + + if (tsdata->factory_mode) { + error = -EIO; + goto out; + } + + error = kstrtouint(buf, 0, &val); + if (error) + goto out; + + if (val < attr->limit_low || val > attr->limit_high) { + error = -ERANGE; + goto out; + } + + error = edt_ft5x06_register_write(tsdata, attr->addr, val); + if (error) { + dev_err(&tsdata->client->dev, + "Failed to update attribute %s, error: %d\n", + dattr->attr.name, error); + goto out; + } + + *field = val; + +out: + mutex_unlock(&tsdata->mutex); + return error ?: count; +} + +static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN, 0, 31); +static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET, 0, 31); +static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, + WORK_REGISTER_THRESHOLD, 20, 80); +static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, + WORK_REGISTER_REPORT_RATE, 3, 14); + +static struct attribute *edt_ft5x06_attrs[] = { + &edt_ft5x06_attr_gain.dattr.attr, + &edt_ft5x06_attr_offset.dattr.attr, + &edt_ft5x06_attr_threshold.dattr.attr, + &edt_ft5x06_attr_report_rate.dattr.attr, + NULL +}; + +static const struct attribute_group edt_ft5x06_attr_group = { + .attrs = edt_ft5x06_attrs, +}; + +#ifdef CONFIG_DEBUG_FS +static int edt_ft5x06_factory_mode(struct edt_ft5x06_ts_data *tsdata) +{ + struct i2c_client *client = tsdata->client; + int retries = EDT_SWITCH_MODE_RETRIES; + int ret; + int error; + + disable_irq(client->irq); + + if (!tsdata->raw_buffer) { + tsdata->raw_bufsize = tsdata->num_x * tsdata->num_y * + sizeof(u16); + tsdata->raw_buffer = kzalloc(tsdata->raw_bufsize, GFP_KERNEL); + if (!tsdata->raw_buffer) { + error = -ENOMEM; + goto err_out; + } + } + + /* mode register is 0x3c when in the work mode */ + error = edt_ft5x06_register_write(tsdata, WORK_REGISTER_OPMODE, 0x03); + if (error) { + dev_err(&client->dev, + "failed to switch to factory mode, error %d\n", error); + goto err_out; + } + + tsdata->factory_mode = true; + do { + mdelay(EDT_SWITCH_MODE_DELAY); + /* mode register is 0x01 when in factory mode */ + ret = edt_ft5x06_register_read(tsdata, FACTORY_REGISTER_OPMODE); + if (ret == 0x03) + break; + } while (--retries > 0); + + if (retries == 0) { + dev_err(&client->dev, "not in factory mode after %dms.\n", + EDT_SWITCH_MODE_RETRIES * EDT_SWITCH_MODE_DELAY); + error = -EIO; + goto err_out; + } + + return 0; + +err_out: + kfree(tsdata->raw_buffer); + tsdata->raw_buffer = NULL; + tsdata->factory_mode = false; + enable_irq(client->irq); + + return error; +} + +static int edt_ft5x06_work_mode(struct edt_ft5x06_ts_data *tsdata) +{ + struct i2c_client *client = tsdata->client; + int retries = EDT_SWITCH_MODE_RETRIES; + int ret; + int error; + + /* mode register is 0x01 when in the factory mode */ + error = edt_ft5x06_register_write(tsdata, FACTORY_REGISTER_OPMODE, 0x1); + if (error) { + dev_err(&client->dev, + "failed to switch to work mode, error: %d\n", error); + return error; + } + + tsdata->factory_mode = false; + + do { + mdelay(EDT_SWITCH_MODE_DELAY); + /* mode register is 0x01 when in factory mode */ + ret = edt_ft5x06_register_read(tsdata, WORK_REGISTER_OPMODE); + if (ret == 0x01) + break; + } while (--retries > 0); + + if (retries == 0) { + dev_err(&client->dev, "not in work mode after %dms.\n", + EDT_SWITCH_MODE_RETRIES * EDT_SWITCH_MODE_DELAY); + tsdata->factory_mode = true; + return -EIO; + } + + if (tsdata->raw_buffer) + kfree(tsdata->raw_buffer); + tsdata->raw_buffer = NULL; + + /* restore parameters */ + edt_ft5x06_register_write(tsdata, WORK_REGISTER_THRESHOLD, + tsdata->threshold); + edt_ft5x06_register_write(tsdata, WORK_REGISTER_GAIN, + tsdata->gain); + edt_ft5x06_register_write(tsdata, WORK_REGISTER_OFFSET, + tsdata->offset); + edt_ft5x06_register_write(tsdata, WORK_REGISTER_REPORT_RATE, + tsdata->report_rate); + + enable_irq(client->irq); + + return 0; +} + +static int edt_ft5x06_debugfs_mode_get(void *data, u64 *mode) +{ + struct edt_ft5x06_ts_data *tsdata = data; + + *mode = tsdata->factory_mode; + + return 0; +}; + +static int edt_ft5x06_debugfs_mode_set(void *data, u64 mode) +{ + struct edt_ft5x06_ts_data *tsdata = data; + int retval = 0; + + if (mode > 1) + return -ERANGE; + + mutex_lock(&tsdata->mutex); + + if (mode != tsdata->factory_mode) { + retval = mode ? edt_ft5x06_factory_mode(tsdata) : + edt_ft5x06_work_mode(tsdata); + } + + mutex_unlock(&tsdata->mutex); + + return retval; +}; + +DEFINE_SIMPLE_ATTRIBUTE(debugfs_mode_fops, edt_ft5x06_debugfs_mode_get, + edt_ft5x06_debugfs_mode_set, "%llu\n"); + +static int edt_ft5x06_debugfs_raw_data_open(struct inode *inode, + struct file *file) +{ + file->private_data = inode->i_private; + + return 0; +} + +static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, + char __user *buf, size_t count, loff_t *off) +{ + struct edt_ft5x06_ts_data *tsdata = file->private_data; + struct i2c_client *client = tsdata->client; + int retries = EDT_RAW_DATA_RETRIES; + int val, i, error; + size_t read = 0; + int colbytes; + char wrbuf[3]; + u8 *rdbuf; + + if (*off < 0 || *off >= tsdata->raw_bufsize) + return 0; + + mutex_lock(&tsdata->mutex); + + if (!tsdata->factory_mode || !tsdata->raw_buffer) { + error = -EIO; + goto out; + } + + error = edt_ft5x06_register_write(tsdata, 0x08, 0x01); + if (error) { + dev_dbg(&client->dev, + "failed to write 0x08 register, error %d\n", error); + goto out; + } + + do { + msleep(EDT_RAW_DATA_DELAY); + val = edt_ft5x06_register_read(tsdata, 0x08); + if (val < 1) + break; + } while (--retries > 0); + + if (val < 0) { + error = val; + dev_dbg(&client->dev, + "failed to read 0x08 register, error %d\n", error); + goto out; + } + + if (retries == 0) { + dev_dbg(&client->dev, + "timed out waiting for register to settle\n"); + error = -ETIMEDOUT; + goto out; + } + + rdbuf = tsdata->raw_buffer; + colbytes = tsdata->num_y * sizeof(u16); + + wrbuf[0] = 0xf5; + wrbuf[1] = 0x0e; + for (i = 0; i < tsdata->num_x; i++) { + wrbuf[2] = i; /* column index */ + error = edt_ft5x06_ts_readwrite(tsdata->client, + sizeof(wrbuf), wrbuf, + colbytes, rdbuf); + if (error) + goto out; + + rdbuf += colbytes; + } + + read = min_t(size_t, count, tsdata->raw_bufsize - *off); + if (copy_to_user(buf, tsdata->raw_buffer + *off, read)) { + error = -EFAULT; + goto out; + } + + *off += read; +out: + mutex_unlock(&tsdata->mutex); + return error ?: read; +}; + + +static const struct file_operations debugfs_raw_data_fops = { + .open = edt_ft5x06_debugfs_raw_data_open, + .read = edt_ft5x06_debugfs_raw_data_read, +}; + +static void __devinit +edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata, + const char *debugfs_name) +{ + tsdata->debug_dir = debugfs_create_dir(debugfs_name, NULL); + if (!tsdata->debug_dir) + return; + + debugfs_create_u16("num_x", S_IRUSR, tsdata->debug_dir, &tsdata->num_x); + debugfs_create_u16("num_y", S_IRUSR, tsdata->debug_dir, &tsdata->num_y); + + debugfs_create_file("mode", S_IRUSR | S_IWUSR, + tsdata->debug_dir, tsdata, &debugfs_mode_fops); + debugfs_create_file("raw_data", S_IRUSR, + tsdata->debug_dir, tsdata, &debugfs_raw_data_fops); +} + +static void __devexit +edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) +{ + if (tsdata->debug_dir) + debugfs_remove_recursive(tsdata->debug_dir); + kfree(tsdata->raw_buffer); +} + +#else + +static inline void +edt_ft5x06_ts_prepare_debugfs(struct edt_ft5x06_ts_data *tsdata, + const char *debugfs_name) +{ +} + +static inline void +edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) +{ +} + +#endif /* CONFIG_DEBUGFS */ + + + +static int __devinit edt_ft5x06_ts_reset(struct i2c_client *client, + int reset_pin) +{ + int error; + + if (gpio_is_valid(reset_pin)) { + /* this pulls reset down, enabling the low active reset */ + error = gpio_request_one(reset_pin, GPIOF_OUT_INIT_LOW, + "edt-ft5x06 reset"); + if (error) { + dev_err(&client->dev, + "Failed to request GPIO %d as reset pin, error %d\n", + reset_pin, error); + return error; + } + + mdelay(50); + gpio_set_value(reset_pin, 1); + mdelay(100); + } + + return 0; +} + +static int __devinit edt_ft5x06_ts_identify(struct i2c_client *client, + char *model_name, + char *fw_version) +{ + u8 rdbuf[EDT_NAME_LEN]; + char *p; + int error; + + error = edt_ft5x06_ts_readwrite(client, 1, "\xbb", + EDT_NAME_LEN - 1, rdbuf); + if (error) + return error; + + /* remove last '$' end marker */ + rdbuf[EDT_NAME_LEN - 1] = '\0'; + if (rdbuf[EDT_NAME_LEN - 2] == '$') + rdbuf[EDT_NAME_LEN - 2] = '\0'; + + /* look for Model/Version separator */ + p = strchr(rdbuf, '*'); + if (p) + *p++ = '\0'; + + strlcpy(model_name, rdbuf + 1, EDT_NAME_LEN); + strlcpy(fw_version, p ? p : "", EDT_NAME_LEN); + + return 0; +} + +#define EDT_ATTR_CHECKSET(name, reg) \ + if (pdata->name >= edt_ft5x06_attr_##name.limit_low && \ + pdata->name <= edt_ft5x06_attr_##name.limit_high) \ + edt_ft5x06_register_write(tsdata, reg, pdata->name) + +static void __devinit +edt_ft5x06_ts_get_defaults(struct edt_ft5x06_ts_data *tsdata, + const struct edt_ft5x06_platform_data *pdata) +{ + if (!pdata->use_parameters) + return; + + /* pick up defaults from the platform data */ + EDT_ATTR_CHECKSET(threshold, WORK_REGISTER_THRESHOLD); + EDT_ATTR_CHECKSET(gain, WORK_REGISTER_GAIN); + EDT_ATTR_CHECKSET(offset, WORK_REGISTER_OFFSET); + EDT_ATTR_CHECKSET(report_rate, WORK_REGISTER_REPORT_RATE); +} + +static void __devinit +edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata) +{ + tsdata->threshold = edt_ft5x06_register_read(tsdata, + WORK_REGISTER_THRESHOLD); + tsdata->gain = edt_ft5x06_register_read(tsdata, WORK_REGISTER_GAIN); + tsdata->offset = edt_ft5x06_register_read(tsdata, WORK_REGISTER_OFFSET); + tsdata->report_rate = edt_ft5x06_register_read(tsdata, + WORK_REGISTER_REPORT_RATE); + tsdata->num_x = edt_ft5x06_register_read(tsdata, WORK_REGISTER_NUM_X); + tsdata->num_y = edt_ft5x06_register_read(tsdata, WORK_REGISTER_NUM_Y); +} + +static int __devinit edt_ft5x06_ts_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + const struct edt_ft5x06_platform_data *pdata = + client->dev.platform_data; + struct edt_ft5x06_ts_data *tsdata; + struct input_dev *input; + int error; + char fw_version[EDT_NAME_LEN]; + + dev_dbg(&client->dev, "probing for EDT FT5x06 I2C\n"); + + if (!pdata) { + dev_err(&client->dev, "no platform data?\n"); + return -EINVAL; + } + + error = edt_ft5x06_ts_reset(client, pdata->reset_pin); + if (error) + return error; + + if (gpio_is_valid(pdata->irq_pin)) { + error = gpio_request_one(pdata->irq_pin, + GPIOF_IN, "edt-ft5x06 irq"); + if (error) { + dev_err(&client->dev, + "Failed to request GPIO %d, error %d\n", + pdata->irq_pin, error); + return error; + } + } + + tsdata = kzalloc(sizeof(*tsdata), GFP_KERNEL); + input = input_allocate_device(); + if (!tsdata || !input) { + dev_err(&client->dev, "failed to allocate driver data.\n"); + error = -ENOMEM; + goto err_free_mem; + } + + mutex_init(&tsdata->mutex); + tsdata->client = client; + tsdata->input = input; + tsdata->factory_mode = false; + + error = edt_ft5x06_ts_identify(client, tsdata->name, fw_version); + if (error) { + dev_err(&client->dev, "touchscreen probe failed\n"); + goto err_free_mem; + } + + edt_ft5x06_ts_get_defaults(tsdata, pdata); + edt_ft5x06_ts_get_parameters(tsdata); + + dev_dbg(&client->dev, + "Model \"%s\", Rev. \"%s\", %dx%d sensors\n", + tsdata->name, fw_version, tsdata->num_x, tsdata->num_y); + + input->name = tsdata->name; + input->id.bustype = BUS_I2C; + input->dev.parent = &client->dev; + + __set_bit(EV_SYN, input->evbit); + __set_bit(EV_KEY, input->evbit); + __set_bit(EV_ABS, input->evbit); + __set_bit(BTN_TOUCH, input->keybit); + input_set_abs_params(input, ABS_X, 0, tsdata->num_x * 64 - 1, 0, 0); + input_set_abs_params(input, ABS_Y, 0, tsdata->num_y * 64 - 1, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_X, + 0, tsdata->num_x * 64 - 1, 0, 0); + input_set_abs_params(input, ABS_MT_POSITION_Y, + 0, tsdata->num_y * 64 - 1, 0, 0); + error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, 0); + if (error) { + dev_err(&client->dev, "Unable to init MT slots.\n"); + goto err_free_mem; + } + + input_set_drvdata(input, tsdata); + i2c_set_clientdata(client, tsdata); + + error = request_threaded_irq(client->irq, NULL, edt_ft5x06_ts_isr, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, + client->name, tsdata); + if (error) { + dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); + goto err_free_mem; + } + + error = sysfs_create_group(&client->dev.kobj, &edt_ft5x06_attr_group); + if (error) + goto err_free_irq; + + error = input_register_device(input); + if (error) + goto err_remove_attrs; + + edt_ft5x06_ts_prepare_debugfs(tsdata, dev_driver_string(&client->dev)); + device_init_wakeup(&client->dev, 1); + + dev_dbg(&client->dev, + "EDT FT5x06 initialized: IRQ pin %d, Reset pin %d.\n", + pdata->irq_pin, pdata->reset_pin); + + return 0; + +err_remove_attrs: + sysfs_remove_group(&client->dev.kobj, &edt_ft5x06_attr_group); +err_free_irq: + free_irq(client->irq, tsdata); +err_free_mem: + input_free_device(input); + kfree(tsdata); + + if (gpio_is_valid(pdata->irq_pin)) + gpio_free(pdata->irq_pin); + + return error; +} + +static int __devexit edt_ft5x06_ts_remove(struct i2c_client *client) +{ + const struct edt_ft5x06_platform_data *pdata = + dev_get_platdata(&client->dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); + + edt_ft5x06_ts_teardown_debugfs(tsdata); + sysfs_remove_group(&client->dev.kobj, &edt_ft5x06_attr_group); + + free_irq(client->irq, tsdata); + input_unregister_device(tsdata->input); + + if (gpio_is_valid(pdata->irq_pin)) + gpio_free(pdata->irq_pin); + if (gpio_is_valid(pdata->reset_pin)) + gpio_free(pdata->reset_pin); + + kfree(tsdata); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int edt_ft5x06_ts_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (device_may_wakeup(dev)) + enable_irq_wake(client->irq); + + return 0; +} + +static int edt_ft5x06_ts_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + + if (device_may_wakeup(dev)) + disable_irq_wake(client->irq); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(edt_ft5x06_ts_pm_ops, + edt_ft5x06_ts_suspend, edt_ft5x06_ts_resume); + +static const struct i2c_device_id edt_ft5x06_ts_id[] = { + { "edt-ft5x06", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, edt_ft5x06_ts_id); + +static struct i2c_driver edt_ft5x06_ts_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "edt_ft5x06", + .pm = &edt_ft5x06_ts_pm_ops, + }, + .id_table = edt_ft5x06_ts_id, + .probe = edt_ft5x06_ts_probe, + .remove = __devexit_p(edt_ft5x06_ts_remove), +}; + +module_i2c_driver(edt_ft5x06_ts_driver); + +MODULE_AUTHOR("Simon Budig <simon.budig@kernelconcepts.de>"); +MODULE_DESCRIPTION("EDT FT5x06 I2C Touchscreen Driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/eeti_ts.c b/drivers/input/touchscreen/eeti_ts.c index 503c7096ed3..908407efc67 100644 --- a/drivers/input/touchscreen/eeti_ts.c +++ b/drivers/input/touchscreen/eeti_ts.c @@ -48,7 +48,7 @@ struct eeti_ts_priv { struct input_dev *input; struct work_struct work; struct mutex mutex; - int irq, irq_active_high; + int irq_gpio, irq, irq_active_high; }; #define EETI_TS_BITDEPTH (11) @@ -62,7 +62,7 @@ struct eeti_ts_priv { static inline int eeti_ts_irq_active(struct eeti_ts_priv *priv) { - return gpio_get_value(irq_to_gpio(priv->irq)) == priv->irq_active_high; + return gpio_get_value(priv->irq_gpio) == priv->irq_active_high; } static void eeti_ts_read(struct work_struct *work) @@ -157,7 +157,7 @@ static void eeti_ts_close(struct input_dev *dev) static int __devinit eeti_ts_probe(struct i2c_client *client, const struct i2c_device_id *idp) { - struct eeti_ts_platform_data *pdata; + struct eeti_ts_platform_data *pdata = client->dev.platform_data; struct eeti_ts_priv *priv; struct input_dev *input; unsigned int irq_flags; @@ -199,9 +199,12 @@ static int __devinit eeti_ts_probe(struct i2c_client *client, priv->client = client; priv->input = input; - priv->irq = client->irq; + priv->irq_gpio = pdata->irq_gpio; + priv->irq = gpio_to_irq(pdata->irq_gpio); - pdata = client->dev.platform_data; + err = gpio_request_one(pdata->irq_gpio, GPIOF_IN, client->name); + if (err < 0) + goto err1; if (pdata) priv->irq_active_high = pdata->irq_active_high; @@ -215,13 +218,13 @@ static int __devinit eeti_ts_probe(struct i2c_client *client, err = input_register_device(input); if (err) - goto err1; + goto err2; err = request_irq(priv->irq, eeti_ts_isr, irq_flags, client->name, priv); if (err) { dev_err(&client->dev, "Unable to request touchscreen IRQ.\n"); - goto err2; + goto err3; } /* @@ -233,9 +236,11 @@ static int __devinit eeti_ts_probe(struct i2c_client *client, device_init_wakeup(&client->dev, 0); return 0; -err2: +err3: input_unregister_device(input); input = NULL; /* so we dont try to free it below */ +err2: + gpio_free(pdata->irq_gpio); err1: input_free_device(input); kfree(priv); diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index 70524dd34f4..c1e3460f119 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -204,7 +204,7 @@ static int __devinit egalax_ts_probe(struct i2c_client *client, ABS_MT_POSITION_X, 0, EGALAX_MAX_X, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, EGALAX_MAX_Y, 0, 0); - input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS); + input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0); input_set_drvdata(input_dev, ts); diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index c0044175a92..4ac69760ec0 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -252,7 +252,7 @@ static int __devinit ili210x_i2c_probe(struct i2c_client *client, input_set_abs_params(input, ABS_Y, 0, ymax, 0, 0); /* Multi touch */ - input_mt_init_slots(input, MAX_TOUCHES); + input_mt_init_slots(input, MAX_TOUCHES, 0); input_set_abs_params(input, ABS_MT_POSITION_X, 0, xmax, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ymax, 0, 0); diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c index d9be6eac99b..7f03d1bd916 100644 --- a/drivers/input/touchscreen/jornada720_ts.c +++ b/drivers/input/touchscreen/jornada720_ts.c @@ -19,6 +19,7 @@ #include <linux/interrupt.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/io.h> #include <mach/hardware.h> #include <mach/jornada720.h> diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c new file mode 100644 index 00000000000..560cf09d1c5 --- /dev/null +++ b/drivers/input/touchscreen/mms114.c @@ -0,0 +1,544 @@ +/* + * Copyright (C) 2012 Samsung Electronics Co.Ltd + * Author: Joonyoung Shim <jy0922.shim@samsung.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. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/i2c/mms114.h> +#include <linux/input/mt.h> +#include <linux/interrupt.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> + +/* Write only registers */ +#define MMS114_MODE_CONTROL 0x01 +#define MMS114_OPERATION_MODE_MASK 0xE +#define MMS114_ACTIVE (1 << 1) + +#define MMS114_XY_RESOLUTION_H 0x02 +#define MMS114_X_RESOLUTION 0x03 +#define MMS114_Y_RESOLUTION 0x04 +#define MMS114_CONTACT_THRESHOLD 0x05 +#define MMS114_MOVING_THRESHOLD 0x06 + +/* Read only registers */ +#define MMS114_PACKET_SIZE 0x0F +#define MMS114_INFOMATION 0x10 +#define MMS114_TSP_REV 0xF0 + +/* Minimum delay time is 50us between stop and start signal of i2c */ +#define MMS114_I2C_DELAY 50 + +/* 200ms needs after power on */ +#define MMS114_POWERON_DELAY 200 + +/* Touchscreen absolute values */ +#define MMS114_MAX_AREA 0xff + +#define MMS114_MAX_TOUCH 10 +#define MMS114_PACKET_NUM 8 + +/* Touch type */ +#define MMS114_TYPE_NONE 0 +#define MMS114_TYPE_TOUCHSCREEN 1 +#define MMS114_TYPE_TOUCHKEY 2 + +struct mms114_data { + struct i2c_client *client; + struct input_dev *input_dev; + struct regulator *core_reg; + struct regulator *io_reg; + const struct mms114_platform_data *pdata; + + /* Use cache data for mode control register(write only) */ + u8 cache_mode_control; +}; + +struct mms114_touch { + u8 id:4, reserved_bit4:1, type:2, pressed:1; + u8 x_hi:4, y_hi:4; + u8 x_lo; + u8 y_lo; + u8 width; + u8 strength; + u8 reserved[2]; +} __packed; + +static int __mms114_read_reg(struct mms114_data *data, unsigned int reg, + unsigned int len, u8 *val) +{ + struct i2c_client *client = data->client; + struct i2c_msg xfer[2]; + u8 buf = reg & 0xff; + int error; + + if (reg <= MMS114_MODE_CONTROL && reg + len > MMS114_MODE_CONTROL) + BUG(); + + /* Write register: use repeated start */ + xfer[0].addr = client->addr; + xfer[0].flags = I2C_M_TEN | I2C_M_NOSTART; + xfer[0].len = 1; + xfer[0].buf = &buf; + + /* Read data */ + xfer[1].addr = client->addr; + xfer[1].flags = I2C_M_RD; + xfer[1].len = len; + xfer[1].buf = val; + + error = i2c_transfer(client->adapter, xfer, 2); + if (error != 2) { + dev_err(&client->dev, + "%s: i2c transfer failed (%d)\n", __func__, error); + return error < 0 ? error : -EIO; + } + udelay(MMS114_I2C_DELAY); + + return 0; +} + +static int mms114_read_reg(struct mms114_data *data, unsigned int reg) +{ + u8 val; + int error; + + if (reg == MMS114_MODE_CONTROL) + return data->cache_mode_control; + + error = __mms114_read_reg(data, reg, 1, &val); + return error < 0 ? error : val; +} + +static int mms114_write_reg(struct mms114_data *data, unsigned int reg, + unsigned int val) +{ + struct i2c_client *client = data->client; + u8 buf[2]; + int error; + + buf[0] = reg & 0xff; + buf[1] = val & 0xff; + + error = i2c_master_send(client, buf, 2); + if (error != 2) { + dev_err(&client->dev, + "%s: i2c send failed (%d)\n", __func__, error); + return error < 0 ? error : -EIO; + } + udelay(MMS114_I2C_DELAY); + + if (reg == MMS114_MODE_CONTROL) + data->cache_mode_control = val; + + return 0; +} + +static void mms114_process_mt(struct mms114_data *data, struct mms114_touch *touch) +{ + const struct mms114_platform_data *pdata = data->pdata; + struct i2c_client *client = data->client; + struct input_dev *input_dev = data->input_dev; + unsigned int id; + unsigned int x; + unsigned int y; + + if (touch->id > MMS114_MAX_TOUCH) { + dev_err(&client->dev, "Wrong touch id (%d)\n", touch->id); + return; + } + + if (touch->type != MMS114_TYPE_TOUCHSCREEN) { + dev_err(&client->dev, "Wrong touch type (%d)\n", touch->type); + return; + } + + id = touch->id - 1; + x = touch->x_lo | touch->x_hi << 8; + y = touch->y_lo | touch->y_hi << 8; + if (x > pdata->x_size || y > pdata->y_size) { + dev_dbg(&client->dev, + "Wrong touch coordinates (%d, %d)\n", x, y); + return; + } + + if (pdata->x_invert) + x = pdata->x_size - x; + if (pdata->y_invert) + y = pdata->y_size - y; + + dev_dbg(&client->dev, + "id: %d, type: %d, pressed: %d, x: %d, y: %d, width: %d, strength: %d\n", + id, touch->type, touch->pressed, + x, y, touch->width, touch->strength); + + input_mt_slot(input_dev, id); + input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, touch->pressed); + + if (touch->pressed) { + input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, touch->width); + input_report_abs(input_dev, ABS_MT_POSITION_X, x); + input_report_abs(input_dev, ABS_MT_POSITION_Y, y); + input_report_abs(input_dev, ABS_MT_PRESSURE, touch->strength); + } +} + +static irqreturn_t mms114_interrupt(int irq, void *dev_id) +{ + struct mms114_data *data = dev_id; + struct input_dev *input_dev = data->input_dev; + struct mms114_touch touch[MMS114_MAX_TOUCH]; + int packet_size; + int touch_size; + int index; + int error; + + mutex_lock(&input_dev->mutex); + if (!input_dev->users) { + mutex_unlock(&input_dev->mutex); + goto out; + } + mutex_unlock(&input_dev->mutex); + + packet_size = mms114_read_reg(data, MMS114_PACKET_SIZE); + if (packet_size <= 0) + goto out; + + touch_size = packet_size / MMS114_PACKET_NUM; + + error = __mms114_read_reg(data, MMS114_INFOMATION, packet_size, + (u8 *)touch); + if (error < 0) + goto out; + + for (index = 0; index < touch_size; index++) + mms114_process_mt(data, touch + index); + + input_mt_report_pointer_emulation(data->input_dev, true); + input_sync(data->input_dev); + +out: + return IRQ_HANDLED; +} + +static int mms114_set_active(struct mms114_data *data, bool active) +{ + int val; + + val = mms114_read_reg(data, MMS114_MODE_CONTROL); + if (val < 0) + return val; + + val &= ~MMS114_OPERATION_MODE_MASK; + + /* If active is false, sleep mode */ + if (active) + val |= MMS114_ACTIVE; + + return mms114_write_reg(data, MMS114_MODE_CONTROL, val); +} + +static int mms114_get_version(struct mms114_data *data) +{ + struct device *dev = &data->client->dev; + u8 buf[6]; + int error; + + error = __mms114_read_reg(data, MMS114_TSP_REV, 6, buf); + if (error < 0) + return error; + + dev_info(dev, "TSP Rev: 0x%x, HW Rev: 0x%x, Firmware Ver: 0x%x\n", + buf[0], buf[1], buf[3]); + + return 0; +} + +static int mms114_setup_regs(struct mms114_data *data) +{ + const struct mms114_platform_data *pdata = data->pdata; + int val; + int error; + + error = mms114_get_version(data); + if (error < 0) + return error; + + error = mms114_set_active(data, true); + if (error < 0) + return error; + + val = (pdata->x_size >> 8) & 0xf; + val |= ((pdata->y_size >> 8) & 0xf) << 4; + error = mms114_write_reg(data, MMS114_XY_RESOLUTION_H, val); + if (error < 0) + return error; + + val = pdata->x_size & 0xff; + error = mms114_write_reg(data, MMS114_X_RESOLUTION, val); + if (error < 0) + return error; + + val = pdata->y_size & 0xff; + error = mms114_write_reg(data, MMS114_Y_RESOLUTION, val); + if (error < 0) + return error; + + if (pdata->contact_threshold) { + error = mms114_write_reg(data, MMS114_CONTACT_THRESHOLD, + pdata->contact_threshold); + if (error < 0) + return error; + } + + if (pdata->moving_threshold) { + error = mms114_write_reg(data, MMS114_MOVING_THRESHOLD, + pdata->moving_threshold); + if (error < 0) + return error; + } + + return 0; +} + +static int mms114_start(struct mms114_data *data) +{ + struct i2c_client *client = data->client; + int error; + + if (data->core_reg) + regulator_enable(data->core_reg); + if (data->io_reg) + regulator_enable(data->io_reg); + mdelay(MMS114_POWERON_DELAY); + + error = mms114_setup_regs(data); + if (error < 0) + return error; + + if (data->pdata->cfg_pin) + data->pdata->cfg_pin(true); + + enable_irq(client->irq); + + return 0; +} + +static void mms114_stop(struct mms114_data *data) +{ + struct i2c_client *client = data->client; + + disable_irq(client->irq); + + if (data->pdata->cfg_pin) + data->pdata->cfg_pin(false); + + if (data->io_reg) + regulator_disable(data->io_reg); + if (data->core_reg) + regulator_disable(data->core_reg); +} + +static int mms114_input_open(struct input_dev *dev) +{ + struct mms114_data *data = input_get_drvdata(dev); + + return mms114_start(data); +} + +static void mms114_input_close(struct input_dev *dev) +{ + struct mms114_data *data = input_get_drvdata(dev); + + mms114_stop(data); +} + +static int __devinit mms114_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct mms114_data *data; + struct input_dev *input_dev; + int error; + + if (!client->dev.platform_data) { + dev_err(&client->dev, "Need platform data\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; + } + + data = kzalloc(sizeof(struct mms114_data), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!data || !input_dev) { + dev_err(&client->dev, "Failed to allocate memory\n"); + error = -ENOMEM; + goto err_free_mem; + } + + data->client = client; + data->input_dev = input_dev; + data->pdata = client->dev.platform_data; + + input_dev->name = "MELPAS MMS114 Touchscreen"; + input_dev->id.bustype = BUS_I2C; + input_dev->dev.parent = &client->dev; + input_dev->open = mms114_input_open; + input_dev->close = mms114_input_close; + + __set_bit(EV_ABS, input_dev->evbit); + __set_bit(EV_KEY, input_dev->evbit); + __set_bit(BTN_TOUCH, input_dev->keybit); + input_set_abs_params(input_dev, ABS_X, 0, data->pdata->x_size, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 0, data->pdata->y_size, 0, 0); + + /* For multi touch */ + input_mt_init_slots(input_dev, MMS114_MAX_TOUCH, 0); + input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, + 0, MMS114_MAX_AREA, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_X, + 0, data->pdata->x_size, 0, 0); + input_set_abs_params(input_dev, ABS_MT_POSITION_Y, + 0, data->pdata->y_size, 0, 0); + input_set_abs_params(input_dev, ABS_MT_PRESSURE, 0, 255, 0, 0); + + input_set_drvdata(input_dev, data); + i2c_set_clientdata(client, data); + + data->core_reg = regulator_get(&client->dev, "avdd"); + if (IS_ERR(data->core_reg)) { + error = PTR_ERR(data->core_reg); + dev_err(&client->dev, + "Unable to get the Core regulator (%d)\n", error); + goto err_free_mem; + } + + data->io_reg = regulator_get(&client->dev, "vdd"); + if (IS_ERR(data->io_reg)) { + error = PTR_ERR(data->io_reg); + dev_err(&client->dev, + "Unable to get the IO regulator (%d)\n", error); + goto err_core_reg; + } + + error = request_threaded_irq(client->irq, NULL, mms114_interrupt, + IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mms114", data); + if (error) { + dev_err(&client->dev, "Failed to register interrupt\n"); + goto err_io_reg; + } + disable_irq(client->irq); + + error = input_register_device(data->input_dev); + if (error) + goto err_free_irq; + + return 0; + +err_free_irq: + free_irq(client->irq, data); +err_io_reg: + regulator_put(data->io_reg); +err_core_reg: + regulator_put(data->core_reg); +err_free_mem: + input_free_device(input_dev); + kfree(data); + return error; +} + +static int __devexit mms114_remove(struct i2c_client *client) +{ + struct mms114_data *data = i2c_get_clientdata(client); + + free_irq(client->irq, data); + regulator_put(data->io_reg); + regulator_put(data->core_reg); + input_unregister_device(data->input_dev); + kfree(data); + + return 0; +} + +#ifdef CONFIG_PM_SLEEP +static int mms114_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct mms114_data *data = i2c_get_clientdata(client); + struct input_dev *input_dev = data->input_dev; + int id; + + /* Release all touch */ + for (id = 0; id < MMS114_MAX_TOUCH; id++) { + input_mt_slot(input_dev, id); + input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, false); + } + + input_mt_report_pointer_emulation(input_dev, true); + input_sync(input_dev); + + mutex_lock(&input_dev->mutex); + if (input_dev->users) + mms114_stop(data); + mutex_unlock(&input_dev->mutex); + + return 0; +} + +static int mms114_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct mms114_data *data = i2c_get_clientdata(client); + struct input_dev *input_dev = data->input_dev; + int error; + + mutex_lock(&input_dev->mutex); + if (input_dev->users) { + error = mms114_start(data); + if (error < 0) { + mutex_unlock(&input_dev->mutex); + return error; + } + } + mutex_unlock(&input_dev->mutex); + + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(mms114_pm_ops, mms114_suspend, mms114_resume); + +static const struct i2c_device_id mms114_id[] = { + { "mms114", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, mms114_id); + +static struct i2c_driver mms114_driver = { + .driver = { + .name = "mms114", + .owner = THIS_MODULE, + .pm = &mms114_pm_ops, + }, + .probe = mms114_probe, + .remove = __devexit_p(mms114_remove), + .id_table = mms114_id, +}; + +module_i2c_driver(mms114_driver); + +/* Module information */ +MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); +MODULE_DESCRIPTION("MELFAS mms114 Touchscreen driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c index 4ccde45b9da..b49f0b83692 100644 --- a/drivers/input/touchscreen/penmount.c +++ b/drivers/input/touchscreen/penmount.c @@ -264,7 +264,7 @@ static int pm_connect(struct serio *serio, struct serio_driver *drv) input_set_abs_params(pm->dev, ABS_Y, 0, max_y, 0, 0); if (pm->maxcontacts > 1) { - input_mt_init_slots(pm->dev, pm->maxcontacts); + input_mt_init_slots(pm->dev, pm->maxcontacts, 0); input_set_abs_params(pm->dev, ABS_MT_POSITION_X, 0, max_x, 0, 0); input_set_abs_params(pm->dev, diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index e32709e0dd6..721fdb3597c 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -304,6 +304,45 @@ static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt) #define EGALAX_PKT_TYPE_REPT 0x80 #define EGALAX_PKT_TYPE_DIAG 0x0A +static int egalax_init(struct usbtouch_usb *usbtouch) +{ + int ret, i; + unsigned char *buf; + struct usb_device *udev = interface_to_usbdev(usbtouch->interface); + + /* + * An eGalax diagnostic packet kicks the device into using the right + * protocol. We send a "check active" packet. The response will be + * read later and ignored. + */ + + buf = kmalloc(3, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = EGALAX_PKT_TYPE_DIAG; + buf[1] = 1; /* length */ + buf[2] = 'A'; /* command - check active */ + + for (i = 0; i < 3; i++) { + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, buf, 3, + USB_CTRL_SET_TIMEOUT); + if (ret >= 0) { + ret = 0; + break; + } + if (ret != -EPIPE) + break; + } + + kfree(buf); + + return ret; +} + static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt) { if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT) @@ -1056,6 +1095,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .process_pkt = usbtouch_process_multi, .get_pkt_len = egalax_get_pkt_len, .read_data = egalax_read_data, + .init = egalax_init, }, #endif diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c index 35572575d34..0c01657132f 100644 --- a/drivers/input/touchscreen/wacom_i2c.c +++ b/drivers/input/touchscreen/wacom_i2c.c @@ -149,7 +149,7 @@ static int __devinit wacom_i2c_probe(struct i2c_client *client, { struct wacom_i2c *wac_i2c; struct input_dev *input; - struct wacom_features features; + struct wacom_features features = { 0 }; int error; if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c index 8f9ad2f893b..9a83be6b658 100644 --- a/drivers/input/touchscreen/wacom_w8001.c +++ b/drivers/input/touchscreen/wacom_w8001.c @@ -471,7 +471,7 @@ static int w8001_setup(struct w8001 *w8001) case 5: w8001->pktlen = W8001_PKTLEN_TOUCH2FG; - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, touch.x, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, |