diff options
| -rw-r--r-- | Documentation/devicetree/bindings/input/gpio-keys.txt | 10 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/input/stmpe-keypad.txt | 2 | ||||
| -rw-r--r-- | drivers/input/evdev.c | 60 | ||||
| -rw-r--r-- | drivers/input/input.c | 22 | ||||
| -rw-r--r-- | drivers/input/keyboard/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/input/keyboard/gpio_keys.c | 114 | ||||
| -rw-r--r-- | drivers/input/keyboard/hil_kbd.c | 6 | ||||
| -rw-r--r-- | drivers/input/keyboard/stmpe-keypad.c | 141 | ||||
| -rw-r--r-- | drivers/input/mouse/alps.c | 84 | ||||
| -rw-r--r-- | drivers/input/mouse/trackpoint.c | 4 | ||||
| -rw-r--r-- | drivers/input/mouse/trackpoint.h | 5 | ||||
| -rw-r--r-- | drivers/input/touchscreen/edt-ft5x06.c | 4 | ||||
| -rw-r--r-- | drivers/mfd/stmpe.c | 4 | ||||
| -rw-r--r-- | drivers/mfd/stmpe.h | 3 | ||||
| -rw-r--r-- | include/linux/mfd/stmpe.h | 22 |
15 files changed, 302 insertions, 180 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt index a4a38fcf2ed6..44b705767aca 100644 --- a/Documentation/devicetree/bindings/input/gpio-keys.txt +++ b/Documentation/devicetree/bindings/input/gpio-keys.txt @@ -10,12 +10,13 @@ Optional properties: Each button (key) is represented as a sub-node of "gpio-keys": Subnode properties: + - gpios: OF device-tree gpio specification. + - interrupts: the interrupt line for that input. - label: Descriptive name of the key. - linux,code: Keycode to emit. -Required mutual exclusive subnode-properties: - - gpios: OF device-tree gpio specification. - - interrupts: the interrupt line for that input +Note that either "interrupts" or "gpios" properties can be omitted, but not +both at the same time. Specifying both properties is allowed. Optional subnode-properties: - linux,input-type: Specify event type this button/key generates. @@ -23,6 +24,9 @@ Optional subnode-properties: - debounce-interval: Debouncing interval time in milliseconds. If not specified defaults to 5. - gpio-key,wakeup: Boolean, button can wake-up the system. + - linux,can-disable: Boolean, indicates that button is connected + to dedicated (not shared) interrupt which can be disabled to + suppress events from the button. Example nodes: diff --git a/Documentation/devicetree/bindings/input/stmpe-keypad.txt b/Documentation/devicetree/bindings/input/stmpe-keypad.txt index 1b97222e8a0b..12bb771d66d4 100644 --- a/Documentation/devicetree/bindings/input/stmpe-keypad.txt +++ b/Documentation/devicetree/bindings/input/stmpe-keypad.txt @@ -8,6 +8,8 @@ Optional properties: - debounce-interval : Debouncing interval time in milliseconds - st,scan-count : Scanning cycles elapsed before key data is updated - st,no-autorepeat : If specified device will not autorepeat + - keypad,num-rows : See ./matrix-keymap.txt + - keypad,num-columns : See ./matrix-keymap.txt Example: diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 8afa28e4570e..18d4b2c8fe55 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -28,6 +28,13 @@ #include <linux/cdev.h> #include "input-compat.h" +enum evdev_clock_type { + EV_CLK_REAL = 0, + EV_CLK_MONO, + EV_CLK_BOOT, + EV_CLK_MAX +}; + struct evdev { int open; struct input_handle handle; @@ -49,12 +56,32 @@ struct evdev_client { struct fasync_struct *fasync; struct evdev *evdev; struct list_head node; - int clkid; + int clk_type; bool revoked; unsigned int bufsize; struct input_event buffer[]; }; +static int evdev_set_clk_type(struct evdev_client *client, unsigned int clkid) +{ + switch (clkid) { + + case CLOCK_REALTIME: + client->clk_type = EV_CLK_REAL; + break; + case CLOCK_MONOTONIC: + client->clk_type = EV_CLK_MONO; + break; + case CLOCK_BOOTTIME: + client->clk_type = EV_CLK_BOOT; + break; + default: + return -EINVAL; + } + + return 0; +} + /* flush queued events of type @type, caller must hold client->buffer_lock */ static void __evdev_flush_queue(struct evdev_client *client, unsigned int type) { @@ -108,8 +135,11 @@ static void evdev_queue_syn_dropped(struct evdev_client *client) struct input_event ev; ktime_t time; - time = (client->clkid == CLOCK_MONOTONIC) ? - ktime_get() : ktime_get_real(); + time = client->clk_type == EV_CLK_REAL ? + ktime_get_real() : + client->clk_type == EV_CLK_MONO ? + ktime_get() : + ktime_get_boottime(); ev.time = ktime_to_timeval(time); ev.type = EV_SYN; @@ -159,7 +189,7 @@ static void __pass_event(struct evdev_client *client, static void evdev_pass_values(struct evdev_client *client, const struct input_value *vals, unsigned int count, - ktime_t mono, ktime_t real) + ktime_t *ev_time) { struct evdev *evdev = client->evdev; const struct input_value *v; @@ -169,8 +199,7 @@ static void evdev_pass_values(struct evdev_client *client, if (client->revoked) return; - event.time = ktime_to_timeval(client->clkid == CLOCK_MONOTONIC ? - mono : real); + event.time = ktime_to_timeval(ev_time[client->clk_type]); /* Interrupts are disabled, just acquire the lock. */ spin_lock(&client->buffer_lock); @@ -198,21 +227,22 @@ static void evdev_events(struct input_handle *handle, { struct evdev *evdev = handle->private; struct evdev_client *client; - ktime_t time_mono, time_real; + ktime_t ev_time[EV_CLK_MAX]; - time_mono = ktime_get(); - time_real = ktime_mono_to_real(time_mono); + ev_time[EV_CLK_MONO] = ktime_get(); + ev_time[EV_CLK_REAL] = ktime_mono_to_real(ev_time[EV_CLK_MONO]); + ev_time[EV_CLK_BOOT] = ktime_mono_to_any(ev_time[EV_CLK_MONO], + TK_OFFS_BOOT); rcu_read_lock(); client = rcu_dereference(evdev->grab); if (client) - evdev_pass_values(client, vals, count, time_mono, time_real); + evdev_pass_values(client, vals, count, ev_time); else list_for_each_entry_rcu(client, &evdev->client_list, node) - evdev_pass_values(client, vals, count, - time_mono, time_real); + evdev_pass_values(client, vals, count, ev_time); rcu_read_unlock(); } @@ -877,10 +907,8 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, case EVIOCSCLOCKID: if (copy_from_user(&i, p, sizeof(unsigned int))) return -EFAULT; - if (i != CLOCK_MONOTONIC && i != CLOCK_REALTIME) - return -EINVAL; - client->clkid = i; - return 0; + + return evdev_set_clk_type(client, i); case EVIOCGKEYCODE: return evdev_handle_get_keycode(dev, p); diff --git a/drivers/input/input.c b/drivers/input/input.c index 04217c2e345c..213e3a1903ee 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1974,18 +1974,22 @@ static unsigned int input_estimate_events_per_packet(struct input_dev *dev) events = mt_slots + 1; /* count SYN_MT_REPORT and SYN_REPORT */ - for (i = 0; i < ABS_CNT; i++) { - if (test_bit(i, dev->absbit)) { - if (input_is_mt_axis(i)) - events += mt_slots; - else - events++; + if (test_bit(EV_ABS, dev->evbit)) { + for (i = 0; i < ABS_CNT; i++) { + if (test_bit(i, dev->absbit)) { + if (input_is_mt_axis(i)) + events += mt_slots; + else + events++; + } } } - for (i = 0; i < REL_CNT; i++) - if (test_bit(i, dev->relbit)) - events++; + if (test_bit(EV_REL, dev->evbit)) { + for (i = 0; i < REL_CNT; i++) + if (test_bit(i, dev->relbit)) + events++; + } /* Make room for KEY and MSC events */ events += 7; diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index 96ee26c555e0..a5d9b3f3c871 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -559,6 +559,7 @@ config KEYBOARD_SH_KEYSC config KEYBOARD_STMPE tristate "STMPE keypad support" depends on MFD_STMPE + depends on OF select INPUT_MATRIXKMAP help Say Y here if you want to use the keypad controller on STMPE I/O diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index d4dd78a7d56b..883d6aed5b9a 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -35,9 +35,13 @@ struct gpio_button_data { const struct gpio_keys_button *button; struct input_dev *input; - struct timer_list timer; - struct work_struct work; - unsigned int timer_debounce; /* in msecs */ + + struct timer_list release_timer; + unsigned int release_delay; /* in msecs, for IRQ-only buttons */ + + struct delayed_work work; + unsigned int software_debounce; /* in msecs, for GPIO-driven buttons */ + unsigned int irq; spinlock_t lock; bool disabled; @@ -116,11 +120,14 @@ static void gpio_keys_disable_button(struct gpio_button_data *bdata) { if (!bdata->disabled) { /* - * Disable IRQ and possible debouncing timer. + * Disable IRQ and associated timer/work structure. */ disable_irq(bdata->irq); - if (bdata->timer_debounce) - del_timer_sync(&bdata->timer); + + if (gpio_is_valid(bdata->button->gpio)) + cancel_delayed_work_sync(&bdata->work); + else + del_timer_sync(&bdata->release_timer); bdata->disabled = true; } @@ -343,7 +350,7 @@ static void gpio_keys_gpio_report_event(struct gpio_button_data *bdata) static void gpio_keys_gpio_work_func(struct work_struct *work) { struct gpio_button_data *bdata = - container_of(work, struct gpio_button_data, work); + container_of(work, struct gpio_button_data, work.work); gpio_keys_gpio_report_event(bdata); @@ -351,13 +358,6 @@ static void gpio_keys_gpio_work_func(struct work_struct *work) pm_relax(bdata->input->dev.parent); } -static void gpio_keys_gpio_timer(unsigned long _data) -{ - struct gpio_button_data *bdata = (struct gpio_button_data *)_data; - - schedule_work(&bdata->work); -} - static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id) { struct gpio_button_data *bdata = dev_id; @@ -366,11 +366,10 @@ static irqreturn_t gpio_keys_gpio_isr(int irq, void *dev_id) if (bdata->button->wakeup) pm_stay_awake(bdata->input->dev.parent); - if (bdata->timer_debounce) - mod_timer(&bdata->timer, - jiffies + msecs_to_jiffies(bdata->timer_debounce)); - else - schedule_work(&bdata->work); + + mod_delayed_work(system_wq, + &bdata->work, + msecs_to_jiffies(bdata->software_debounce)); return IRQ_HANDLED; } @@ -408,7 +407,7 @@ static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id) input_event(input, EV_KEY, button->code, 1); input_sync(input); - if (!bdata->timer_debounce) { + if (!bdata->release_delay) { input_event(input, EV_KEY, button->code, 0); input_sync(input); goto out; @@ -417,9 +416,9 @@ static irqreturn_t gpio_keys_irq_isr(int irq, void *dev_id) bdata->key_pressed = true; } - if (bdata->timer_debounce) - mod_timer(&bdata->timer, - jiffies + msecs_to_jiffies(bdata->timer_debounce)); + if (bdata->release_delay) + mod_timer(&bdata->release_timer, + jiffies + msecs_to_jiffies(bdata->release_delay)); out: spin_unlock_irqrestore(&bdata->lock, flags); return IRQ_HANDLED; @@ -429,10 +428,10 @@ static void gpio_keys_quiesce_key(void *data) { struct gpio_button_data *bdata = data; - if (bdata->timer_debounce) - del_timer_sync(&bdata->timer); - - cancel_work_sync(&bdata->work); + if (gpio_is_valid(bdata->button->gpio)) + cancel_delayed_work_sync(&bdata->work); + else + del_timer_sync(&bdata->release_timer); } static int gpio_keys_setup_key(struct platform_device *pdev, @@ -466,23 +465,25 @@ static int gpio_keys_setup_key(struct platform_device *pdev, button->debounce_interval * 1000); /* use timer if gpiolib doesn't provide debounce */ if (error < 0) - bdata->timer_debounce = + bdata->software_debounce = button->debounce_interval; } - irq = gpio_to_irq(button->gpio); - if (irq < 0) { - error = irq; - dev_err(dev, - "Unable to get irq number for GPIO %d, error %d\n", - button->gpio, error); - return error; + if (button->irq) { + bdata->irq = button->irq; + } else { + irq = gpio_to_irq(button->gpio); + if (irq < 0) { + error = irq; + dev_err(dev, + "Unable to get irq number for GPIO %d, error %d\n", + button->gpio, error); + return error; + } + bdata->irq = irq; } - bdata->irq = irq; - INIT_WORK(&bdata->work, gpio_keys_gpio_work_func); - setup_timer(&bdata->timer, - gpio_keys_gpio_timer, (unsigned long)bdata); + INIT_DELAYED_WORK(&bdata->work, gpio_keys_gpio_work_func); isr = gpio_keys_gpio_isr; irqflags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING; @@ -499,8 +500,8 @@ static int gpio_keys_setup_key(struct platform_device *pdev, return -EINVAL; } - bdata->timer_debounce = button->debounce_interval; - setup_timer(&bdata->timer, + bdata->release_delay = button->debounce_interval; + setup_timer(&bdata->release_timer, gpio_keys_irq_timer, (unsigned long)bdata); isr = gpio_keys_irq_isr; @@ -510,7 +511,7 @@ static int gpio_keys_setup_key(struct platform_device *pdev, input_set_capability(input, button->type ?: EV_KEY, button->code); /* - * Install custom action to cancel debounce timer and + * Install custom action to cancel release timer and * workqueue item. */ error = devm_add_action(&pdev->dev, gpio_keys_quiesce_key, bdata); @@ -618,33 +619,30 @@ gpio_keys_get_devtree_pdata(struct device *dev) i = 0; for_each_child_of_node(node, pp) { - int gpio = -1; enum of_gpio_flags flags; button = &pdata->buttons[i++]; - if (!of_find_property(pp, "gpios", NULL)) { - button->irq = irq_of_parse_and_map(pp, 0); - if (button->irq == 0) { - i--; - pdata->nbuttons--; - dev_warn(dev, "Found button without gpios or irqs\n"); - continue; - } - } else { - gpio = of_get_gpio_flags(pp, 0, &flags); - if (gpio < 0) { - error = gpio; + button->gpio = of_get_gpio_flags(pp, 0, &flags); + if (button->gpio < 0) { + error = button->gpio; + if (error != -ENOENT) { if (error != -EPROBE_DEFER) dev_err(dev, "Failed to get gpio flags, error: %d\n", error); return ERR_PTR(error); } + } else { + button->active_low = flags & OF_GPIO_ACTIVE_LOW; } - button->gpio = gpio; - button->active_low = flags & OF_GPIO_ACTIVE_LOW; + button->irq = irq_of_parse_and_map(pp, 0); + + if (!gpio_is_valid(button->gpio) && !button->irq) { + dev_err(dev, "Found button without gpios or irqs\n"); + return ERR_PTR(-EINVAL); + } if (of_property_read_u32(pp, "linux,code", &button->code)) { dev_err(dev, "Button without keycode: 0x%x\n", @@ -659,6 +657,8 @@ gpio_keys_get_devtree_pdata(struct device *dev) button->wakeup = !!of_get_property(pp, "gpio-key,wakeup", NULL); + button->can_disable = !!of_get_property(pp, "linux,can-disable", NULL); + if (of_property_read_u32(pp, "debounce-interval", &button->debounce_interval)) button->debounce_interval = 5; diff --git a/drivers/input/keyboard/hil_kbd.c b/drivers/input/keyboard/hil_kbd.c index 610a8af795a1..5b152f25a8e1 100644 --- a/drivers/input/keyboard/hil_kbd.c +++ b/drivers/input/keyboard/hil_kbd.c @@ -473,7 +473,7 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) if (error) goto bail1; - init_completion(&dev->cmd_done); + reinit_completion(&dev->cmd_done); serio_write(serio, 0); serio_write(serio, 0); serio_write(serio, HIL_PKT_CMD >> 8); @@ -482,7 +482,7 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) if (error) goto bail1; - init_completion(&dev->cmd_done); + reinit_completion(&dev->cmd_done); serio_write(serio, 0); serio_write(serio, 0); serio_write(serio, HIL_PKT_CMD >> 8); @@ -491,7 +491,7 @@ static int hil_dev_connect(struct serio *serio, struct serio_driver *drv) if (error) goto bail1; - init_completion(&dev->cmd_done); + reinit_completion(&dev->cmd_done); serio_write(serio, 0); serio_write(serio, 0); serio_write(serio, HIL_PKT_CMD >> 8); diff --git a/drivers/input/keyboard/stmpe-keypad.c b/drivers/input/keyboard/stmpe-keypad.c index ef5e67fb567e..fe6e3f22eed7 100644 --- a/drivers/input/keyboard/stmpe-keypad.c +++ b/drivers/input/keyboard/stmpe-keypad.c @@ -45,13 +45,14 @@ #define STMPE_KEYPAD_MAX_ROWS 8 #define STMPE_KEYPAD_MAX_COLS 8 #define STMPE_KEYPAD_ROW_SHIFT 3 -#define STMPE_KEYPAD_KEYMAP_SIZE \ +#define STMPE_KEYPAD_KEYMAP_MAX_SIZE \ (STMPE_KEYPAD_MAX_ROWS * STMPE_KEYPAD_MAX_COLS) /** * struct stmpe_keypad_variant - model-specific attributes * @auto_increment: whether the KPC_DATA_BYTE register address * auto-increments on multiple read + * @set_pullup: whether the pins need to have their pull-ups set * @num_data: number of data bytes * @num_normal_data: number of normal keys' data bytes * @max_cols: maximum number of columns supported @@ -61,6 +62,7 @@ */ struct stmpe_keypad_variant { bool auto_increment; + bool set_pullup; int num_data; int num_normal_data; int max_cols; @@ -81,6 +83,7 @@ static const struct stmpe_keypad_variant stmpe_keypad_variants[] = { }, [STMPE2401] = { .auto_increment = false, + .set_pullup = true, .num_data = 3, .num_normal_data = 2, .max_cols = 8, @@ -90,6 +93,7 @@ static const struct stmpe_keypad_variant stmpe_keypad_variants[] = { }, [STMPE2403] = { .auto_increment = true, + .set_pullup = true, .num_data = 5, .num_normal_data = 3, .max_cols = 8, @@ -99,16 +103,30 @@ static const struct stmpe_keypad_variant stmpe_keypad_variants[] = { }, }; +/** + * struct stmpe_keypad - STMPE keypad state container + * @stmpe: pointer to parent STMPE device + * @input: spawned input device + * @variant: STMPE variant + * @debounce_ms: debounce interval, in ms. Maximum is + * %STMPE_KEYPAD_MAX_DEBOUNCE. + * @scan_count: number of key scanning cycles to confirm key data. + * Maximum is %STMPE_KEYPAD_MAX_SCAN_COUNT. + * @no_autorepeat: disable key autorepeat + * @rows: bitmask for the rows + * @cols: bitmask for the columns + * @keymap: the keymap + */ struct stmpe_keypad { struct stmpe *stmpe; struct input_dev *input; const struct stmpe_keypad_variant *variant; - const struct stmpe_keypad_platform_data *plat; - + unsigned int debounce_ms; + unsigned int scan_count; + bool no_autorepeat; unsigned int rows; unsigned int cols; - - unsigned short keymap[STMPE_KEYPAD_KEYMAP_SIZE]; + unsigned short keymap[STMPE_KEYPAD_KEYMAP_MAX_SIZE]; }; static int stmpe_keypad_read_data(struct stmpe_keypad *keypad, u8 *data) @@ -171,7 +189,10 @@ static int stmpe_keypad_altfunc_init(struct stmpe_keypad *keypad) unsigned int col_gpios = variant->col_gpios; unsigned int row_gpios = variant->row_gpios; struct stmpe *stmpe = keypad->stmpe; + u8 pureg = stmpe->regs[STMPE_IDX_GPPUR_LSB]; unsigned int pins = 0; + unsigned int pu_pins = 0; + int ret; int i; /* @@ -188,8 +209,10 @@ static int stmpe_keypad_altfunc_init(struct stmpe_keypad *keypad) for (i = 0; i < variant->max_cols; i++) { int num = __ffs(col_gpios); - if (keypad->cols & (1 << i)) + if (keypad->cols & (1 << i)) { pins |= 1 << num; + pu_pins |= 1 << num; + } col_gpios &= ~(1 << num); } @@ -203,20 +226,43 @@ static int stmpe_keypad_altfunc_init(struct stmpe_keypad *keypad) row_gpios &= ~(1 << num); } - return stmpe_set_altfunc(stmpe, pins, STMPE_BLOCK_KEYPAD); + ret = stmpe_set_altfunc(stmpe, pins, STMPE_BLOCK_KEYPAD); + if (ret) + return ret; + + /* + * On STMPE24xx, set pin bias to pull-up on all keypad input + * pins (columns), this incidentally happen to be maximum 8 pins + * and placed at GPIO0-7 so only the LSB of the pull up register + * ever needs to be written. + */ + if (variant->set_pullup) { + u8 val; + + ret = stmpe_reg_read(stmpe, pureg); + if (ret) + return ret; + + /* Do not touch unused pins, may be used for GPIO */ + val = ret & ~pu_pins; + val |= pu_pins; + + ret = stmpe_reg_write(stmpe, pureg, val); + } + + return 0; } static int stmpe_keypad_chip_init(struct stmpe_keypad *keypad) { - const struct stmpe_keypad_platform_data *plat = keypad->plat; const struct stmpe_keypad_variant *variant = keypad->variant; struct stmpe *stmpe = keypad->stmpe; int ret; - if (plat->debounce_ms > STMPE_KEYPAD_MAX_DEBOUNCE) + if (keypad->debounce_ms > STMPE_KEYPAD_MAX_DEBOUNCE) return -EINVAL; - if (plat->scan_count > STMPE_KEYPAD_MAX_SCAN_COUNT) + if (keypad->scan_count > STMPE_KEYPAD_MAX_SCAN_COUNT) return -EINVAL; ret = stmpe_enable(stmpe, STMPE_BLOCK_KEYPAD); @@ -245,7 +291,7 @@ static int stmpe_keypad_chip_init(struct stmpe_keypad *keypad) ret = stmpe_set_bits(stmpe, STMPE_KPC_CTRL_MSB, STMPE_KPC_CTRL_MSB_SCAN_COUNT, - plat->scan_count << 4); + keypad->scan_count << 4); if (ret < 0) return ret; @@ -253,17 +299,18 @@ static int stmpe_keypad_chip_init(struct stmpe_keypad *keypad) STMPE_KPC_CTRL_LSB_SCAN | STMPE_KPC_CTRL_LSB_DEBOUNCE, STMPE_KPC_CTRL_LSB_SCAN | - (plat->debounce_ms << 1)); + (keypad->debounce_ms << 1)); } -static void stmpe_keypad_fill_used_pins(struct stmpe_keypad *keypad) +static void stmpe_keypad_fill_used_pins(struct stmpe_keypad *keypad, + u32 used_rows, u32 used_cols) { int row, col; - for (row = 0; row < STMPE_KEYPAD_MAX_ROWS; row++) { - for (col = 0; col < STMPE_KEYPAD_MAX_COLS; col++) { + for (row = 0; row < used_rows; row++) { + for (col = 0; col < used_cols; col++) { int code = MATRIX_SCAN_CODE(row, col, - STMPE_KEYPAD_ROW_SHIFT); + STMPE_KEYPAD_ROW_SHIFT); if (keypad->keymap[code] != KEY_RESERVED) { keypad->rows |= 1 << row; keypad->cols |= 1 << col; @@ -272,51 +319,17 @@ static void stmpe_keypad_fill_used_pins(struct stmpe_keypad *keypad) } } -#ifdef CONFIG_OF -static const struct stmpe_keypad_platform_data * -stmpe_keypad_of_probe(struct device *dev) -{ - struct device_node *np = dev->of_node; - struct stmpe_keypad_platform_data *plat; - - if (!np) - return ERR_PTR(-ENODEV); - - plat = devm_kzalloc(dev, sizeof(*plat), GFP_KERNEL); - if (!plat) - return ERR_PTR(-ENOMEM); - - of_property_read_u32(np, "debounce-interval", &plat->debounce_ms); - of_property_read_u32(np, "st,scan-count", &plat->scan_count); - - plat->no_autorepeat = of_property_read_bool(np, "st,no-autorepeat"); - - return plat; -} -#else -static inline const struct stmpe_keypad_platform_data * -stmpe_keypad_of_probe(struct device *dev) -{ - return ERR_PTR(-EINVAL); -} -#endif - static int stmpe_keypad_probe(struct platform_device *pdev) { struct stmpe *stmpe = dev_get_drvdata(pdev->dev.parent); - const struct stmpe_keypad_platform_data *plat; + struct device_node *np = pdev->dev.of_node; struct stmpe_keypad *keypad; struct input_dev *input; + u32 rows; + u32 cols; int error; int irq; - plat = stmpe->pdata->keypad; - if (!plat) { - plat = stmpe_keypad_of_probe(&pdev->dev); - if (IS_ERR(plat)) - return PTR_ERR(plat); - } - irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; @@ -326,6 +339,13 @@ static int stmpe_keypad_probe(struct platform_device *pdev) if (!keypad) return -ENOMEM; + keypad->stmpe = stmpe; + keypad->variant = &stmpe_keypad_variants[stmpe->partnum]; + + of_property_read_u32(np, "debounce-interval", &keypad->debounce_ms); + of_property_read_u32(np, "st,scan-count", &keypad->scan_count); + keypad->no_autorepeat = of_property_read_bool(np, "st,no-autorepeat"); + input = devm_input_allocate_device(&pdev->dev); if (!input) return -ENOMEM; @@ -334,23 +354,22 @@ static int stmpe_keypad_probe(struct platform_device *pdev) input->id.bustype = BUS_I2C; input->dev.parent = &pdev->dev; - error = matrix_keypad_build_keymap(plat->keymap_data, NULL, - STMPE_KEYPAD_MAX_ROWS, - STMPE_KEYPAD_MAX_COLS, + error = matrix_keypad_parse_of_params(&pdev->dev, &rows, &cols); + if (error) + return error; + + error = matrix_keypad_build_keymap(NULL, NULL, rows, cols, keypad->keymap, input); if (error) return error; input_set_capability(input, EV_MSC, MSC_SCAN); - if (!plat->no_autorepeat) + if (!keypad->no_autorepeat) __set_bit(EV_REP, input->evbit); - stmpe_keypad_fill_used_pins(keypad); + stmpe_keypad_fill_used_pins(keypad, rows, cols); - keypad->stmpe = stmpe; - keypad->plat = plat; keypad->input = input; - keypad->variant = &stmpe_keypad_variants[stmpe->partnum]; error = stmpe_keypad_chip_init(keypad); if (error < 0) diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index d125a019383f..d88d73d83552 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -881,6 +881,34 @@ static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, unsigned char *pkt, unsigned char pkt_id) { + /* + * packet-fmt b7 b6 b5 b4 b3 b2 b1 b0 + * Byte0 TWO & MULTI L 1 R M 1 Y0-2 Y0-1 Y0-0 + * Byte0 NEW L 1 X1-5 1 1 Y0-2 Y0-1 Y0-0 + * Byte1 Y0-10 Y0-9 Y0-8 Y0-7 Y0-6 Y0-5 Y0-4 Y0-3 + * Byte2 X0-11 1 X0-10 X0-9 X0-8 X0-7 X0-6 X0-5 + * Byte3 X1-11 1 X0-4 X0-3 1 X0-2 X0-1 X0-0 + * Byte4 TWO X1-10 TWO X1-9 X1-8 X1-7 X1-6 X1-5 X1-4 + * Byte4 MULTI X1-10 TWO X1-9 X1-8 X1-7 X1-6 Y1-5 1 + * Byte4 NEW X1-10 TWO X1-9 X1-8 X1-7 X1-6 0 0 + * Byte5 TWO & NEW Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 Y1-5 Y1-4 + * Byte5 MULTI Y1-10 0 Y1-9 Y1-8 Y1-7 Y1-6 F-1 F-0 + * L: Left button + * R / M: Non-clickpads: Right / Middle button + * Clickpads: When > 2 fingers are down, and some fingers + * are in the button area, then the 2 coordinates reported + * are for fingers outside the button area and these report + * extra fingers being present in the right / left button + * area. Note these fingers are not added to the F field! + * so if a TWO packet is received and R = 1 then there are + * 3 fingers down, etc. + * TWO: 1: Two touches present, byte 0/4/5 are in TWO fmt + * 0: If byte 4 bit 0 is 1, then byte 0/4/5 are in MULTI fmt + * otherwise byte 0 bit 4 must be set and byte 0/4/5 are + * in NEW fmt + * F: Number of fingers - 3, 0 means 3 fingers, 1 means 4 ... + */ + mt[0].x = ((pkt[2] & 0x80) << 4); mt[0].x |= ((pkt[2] & 0x3F) << 5); mt[0].x |= ((pkt[3] & 0x30) >> 1); @@ -919,18 +947,21 @@ static void alps_get_finger_coordinate_v7(struct input_mt_pos *mt, static int alps_get_mt_count(struct input_mt_pos *mt) { - int i; + int i, fingers = 0; - for (i = 0; i < MAX_TOUCHES && mt[i].x != 0 && mt[i].y != 0; i++) - /* empty */; + for (i = 0; i < MAX_TOUCHES; i++) { + if (mt[i].x != 0 || mt[i].y != 0) + fingers++; + } - return i; + return fingers; } static int alps_decode_packet_v7(struct alps_fields *f, unsigned char *p, struct psmouse *psmouse) { + struct alps_data *priv = psmouse->private; unsigned char pkt_id; pkt_id = alps_get_packet_id_v7(p); @@ -938,19 +969,52 @@ static int alps_decode_packet_v7(struct alps_fields *f, return 0; if (pkt_id == V7_PACKET_ID_UNKNOWN) return -1; + /* + * NEW packets are send to indicate a discontinuity in the finger + * coordinate reporting. Specifically a finger may have moved from + * slot 0 to 1 or vice versa. INPUT_MT_TRACK takes care of this for + * us. + * + * NEW packets have 3 problems: + * 1) They do not contain middle / right button info (on non clickpads) + * this can be worked around by preserving the old button state + * 2) They do not contain an accurate fingercount, and they are + * typically send when the number of fingers changes. We cannot use + * the old finger count as that may mismatch with the amount of + * touch coordinates we've available in the NEW packet + * 3) Their x data for the second touch is inaccurate leading to + * a possible jump of the x coordinate by 16 units when the first + * non NEW packet comes in + * Since problems 2 & 3 cannot be worked around, just ignore them. + */ + if (pkt_id == V7_PACKET_ID_NEW) + return 1; alps_get_finger_coordinate_v7(f->mt, p, pkt_id); - if (pkt_id == V7_PACKET_ID_TWO || pkt_id == V7_PACKET_ID_MULTI) { - f->left = (p[0] & 0x80) >> 7; + if (pkt_id == V7_PACKET_ID_TWO) + f->fingers = alps_get_mt_count(f->mt); + else /* pkt_id == V7_PACKET_ID_MULTI */ + f->fingers = 3 + (p[5] & 0x03); + + f->left = (p[0] & 0x80) >> 7; + if (priv->flags & ALPS_BUTTONPAD) { + if (p[0] & 0x20) + f->fingers++; + if (p[0] & 0x10) + f->fingers++; + } else { f->right = (p[0] & 0x20) >> 5; f->middle = (p[0] & 0x10) >> 4; } - if (pkt_id == V7_PACKET_ID_TWO) - f->fingers = alps_get_mt_count(f->mt); - else if (pkt_id == V7_PACKET_ID_MULTI) - f->fingers = 3 + (p[5] & 0x03); + /* Sometimes a single touch is reported in mt[1] rather then mt[0] */ + if (f->fingers == 1 && f->mt[0].x == 0 && f->mt[0].y == 0) { + f->mt[0].x = f->mt[1].x; + f->mt[0].y = f->mt[1].y; + f->mt[1].x = 0; + f->mt[1].y = 0; + } return 0; } diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index 30c8b6998808..354d47ecd66a 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -227,6 +227,7 @@ TRACKPOINT_INT_ATTR(thresh, TP_THRESH, TP_DEF_THRESH); TRACKPOINT_INT_ATTR(upthresh, TP_UP_THRESH, TP_DEF_UP_THRESH); TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME, TP_DEF_Z_TIME); TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV, TP_DEF_JENKS_CURV); +TRACKPOINT_INT_ATTR(drift_time, TP_DRIFT_TIME, TP_DEF_DRIFT_TIME); TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, 0, TP_DEF_PTSON); @@ -246,6 +247,7 @@ static struct attribute *trackpoint_attrs[] = { &psmouse_attr_upthresh.dattr.attr, &psmouse_attr_ztime.dattr.attr, &psmouse_attr_jenks.dattr.attr, + &psmouse_attr_drift_time.dattr.attr, &psmouse_attr_press_to_select.dattr.attr, &psmouse_attr_skipback.dattr.attr, &psmouse_attr_ext_dev.dattr.attr, @@ -312,6 +314,7 @@ static int trackpoint_sync(struct psmouse *psmouse, bool in_power_on_state) TRACKPOINT_UPDATE(in_power_on_state, psmouse, tp, upthresh); TRACKPOINT_UPDATE(in_power_on_state, psmouse, tp, ztime); TRACKPOINT_UPDATE(in_power_on_state, psmouse, tp, jenks); + TRACKPOINT_UPDATE(in_power_on_state, psmouse, tp, drift_time); /* toggles */ TRACKPOINT_UPDATE(in_power_on_state, psmouse, tp, press_to_select); @@ -332,6 +335,7 @@ static void trackpoint_defaults(struct trackpoint_data *tp) TRACKPOINT_SET_POWER_ON_DEFAULT(tp, upthresh); TRACKPOINT_SET_POWER_ON_DEFAULT(tp, ztime); TRACKPOINT_SET_POWER_ON_DEFAULT(tp, jenks); + TRACKPOINT_SET_POWER_ON_DEFAULT(tp, drift_time); TRACKPOINT_SET_POWER_ON_DEFAULT(tp, inertia); /* toggles */ diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h index ecd0547964a5..5617ed3a7d7a 100644 --- a/drivers/input/mouse/trackpoint.h +++ b/drivers/input/mouse/trackpoint.h @@ -70,6 +70,9 @@ #define TP_UP_THRESH 0x5A /* Used to generate a 'click' on Z-axis */ #define TP_Z_TIME 0x5E /* How sharp of a press */ #define TP_JENKS_CURV 0x5D /* Minimum curvature for double click */ +#define TP_DRIFT_TIME 0x5F /* How long a 'hands off' condition */ + /* must last (x*107ms) for drift */ + /* correction to occur */ /* * Toggling Flag bits @@ -120,6 +123,7 @@ #define TP_DEF_UP_THRESH 0xFF #define TP_DEF_Z_TIME 0x26 #define TP_DEF_JENKS_CURV 0x87 +#define TP_DEF_DRIFT_TIME 0x05 /* Toggles */ #define TP_DEF_MB 0x00 @@ -137,6 +141,7 @@ struct trackpoint_data unsigned char draghys, mindrag; unsigned char thresh, upthresh; unsigned char ztime, jenks; + unsigned char drift_time; /* toggles */ unsigned char press_to_select; diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 3793fcc7e5db..d4c24fb7704f 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -850,9 +850,11 @@ static int edt_ft5x06_ts_identify(struct i2c_client *client, } #define EDT_ATTR_CHECKSET(name, reg) \ +do { \ 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) + edt_ft5x06_register_write(tsdata, reg, pdata->name); \ +} while (0) #define EDT_GET_PROP(name, reg) { \ u32 val; \ diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index e2f9df1c0c36..2d7fae94c861 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -519,6 +519,7 @@ static const u8 stmpe1601_regs[] = { [STMPE_IDX_GPDR_LSB] = STMPE1601_REG_GPIO_SET_DIR_LSB, [STMPE_IDX_GPRER_LSB] = STMPE1601_REG_GPIO_RE_LSB, [STMPE_IDX_GPFER_LSB] = STMPE1601_REG_GPIO_FE_LSB, + [STMPE_IDX_GPPUR_LSB] = STMPE1601_REG_GPIO_PU_LSB, [STMPE_IDX_GPAFR_U_MSB] = STMPE1601_REG_GPIO_AF_U_MSB, [STMPE_IDX_IEGPIOR_LSB] = STMPE1601_REG_INT_EN_GPIO_MASK_LSB, [STMPE_IDX_ISGPIOR_MSB] = STMPE1601_REG_INT_STA_GPIO_MSB, @@ -667,6 +668,7 @@ static const u8 stmpe1801_regs[] = { [STMPE_IDX_GPDR_LSB] = STMPE1801_REG_GPIO_SET_DIR_LOW, [STMPE_IDX_GPRER_LSB] = STMPE1801_REG_GPIO_RE_LOW, [STMPE_IDX_GPFER_LSB] = STMPE1801_REG_GPIO_FE_LOW, + [STMPE_IDX_GPPUR_LSB] = STMPE1801_REG_GPIO_PULL_UP_LOW, [STMPE_IDX_IEGPIOR_LSB] = STMPE1801_REG_INT_EN_GPIO_MASK_LOW, [STMPE_IDX_ISGPIOR_LSB] = STMPE1801_REG_INT_STA_GPIO_LOW, }; @@ -750,6 +752,8 @@ static const u8 stmpe24xx_regs[] = { [STMPE_IDX_GPDR_LSB] = STMPE24XX_REG_GPDR_LSB, [STMPE_IDX_GPRER_LSB] = STMPE24XX_REG_GPRER_LSB, [STMPE_IDX_GPFER_LSB] = STMPE24XX_REG_GPFER_LSB, + [STMPE_IDX_GPPUR_LSB] = STMPE24XX_REG_GPPUR_LSB, + [STMPE_IDX_GPPDR_LSB] = STMPE24XX_REG_GPPDR_LSB, [STMPE_IDX_GPAFR_U_MSB] = STMPE24XX_REG_GPAFR_U_MSB, [STMPE_IDX_IEGPIOR_LSB] = STMPE24XX_REG_IEGPIOR_LSB, [STMPE_IDX_ISGPIOR_MSB] = STMPE24XX_REG_ISGPIOR_MSB, diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h index bee0abf82040..84adb46b3e2f 100644 --- a/drivers/mfd/stmpe.h +++ b/drivers/mfd/stmpe.h @@ -188,6 +188,7 @@ int stmpe_remove(struct stmpe *stmpe); #define STMPE1601_REG_GPIO_ED_MSB 0x8A #define STMPE1601_REG_GPIO_RE_LSB 0x8D #define STMPE1601_REG_GPIO_FE_LSB 0x8F +#define STMPE1601_REG_GPIO_PU_LSB 0x91 #define STMPE1601_REG_GPIO_AF_U_MSB 0x92 #define STMPE1601_SYS_CTRL_ENABLE_GPIO (1 << 3) @@ -276,6 +277,8 @@ int stmpe_remove(struct stmpe *stmpe); #define STMPE24XX_REG_GPEDR_MSB 0x8C #define STMPE24XX_REG_GPRER_LSB 0x91 #define STMPE24XX_REG_GPFER_LSB 0x94 +#define STMPE24XX_REG_GPPUR_LSB 0x97 +#define STMPE24XX_REG_GPPDR_LSB 0x9a #define STMPE24XX_REG_GPAFR_U_MSB 0x9B #define STMPE24XX_SYS_CTRL_ENABLE_GPIO (1 << 3) diff --git a/include/linux/mfd/stmpe.h b/include/linux/mfd/stmpe.h index 575a86c7fcbd..f742b6717d52 100644 --- a/include/linux/mfd/stmpe.h +++ b/include/linux/mfd/stmpe.h @@ -50,6 +50,8 @@ enum { STMPE_IDX_GPEDR_MSB, STMPE_IDX_GPRER_LSB, STMPE_IDX_GPFER_LSB, + STMPE_IDX_GPPUR_LSB, + STMPE_IDX_GPPDR_LSB, STMPE_IDX_GPAFR_U_MSB, STMPE_IDX_IEGPIOR_LSB, STMPE_IDX_ISGPIOR_LSB, @@ -113,24 +115,6 @@ extern int stmpe_set_altfunc(struct stmpe *stmpe, u32 pins, extern int stmpe_enable(struct stmpe *stmpe, unsigned int blocks); extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks); -struct matrix_keymap_data; - -/** - * struct stmpe_keypad_platform_data - STMPE keypad platform data - * @keymap_data: key map table and size - * @debounce_ms: debounce interval, in ms. Maximum is - * %STMPE_KEYPAD_MAX_DEBOUNCE. - * @scan_count: number of key scanning cycles to confirm key data. - * Maximum is %STMPE_KEYPAD_MAX_SCAN_COUNT. - * @no_autorepeat: disable key autorepeat - */ -struct stmpe_keypad_platform_data { - const struct matrix_keymap_data *keymap_data; - unsigned int debounce_ms; - unsigned int scan_count; - bool no_autorepeat; -}; - #define STMPE_GPIO_NOREQ_811_TOUCH (0xf0) /** @@ -199,7 +183,6 @@ struct stmpe_ts_platform_data { * @irq_gpio: gpio number over which irq will be requested (significant only if * irq_over_gpio is true) * @gpio: GPIO-specific platform data - * @keypad: keypad-specific platform data * @ts: touchscreen-specific platform data */ struct stmpe_platform_data { @@ -212,7 +195,6 @@ struct stmpe_platform_data { int autosleep_timeout; struct stmpe_gpio_platform_data *gpio; - struct stmpe_keypad_platform_data *keypad; struct stmpe_ts_platform_data *ts; }; |