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a1ad25bbae612f405238c11eb4879eb99df54b51
omarchy-pkgs/pkgbuilds/linux-omarchy-eevdf/0560-input-updates.patch
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diff --git a/drivers/input/input.c b/drivers/input/input.c
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -318,7 +318,7 @@ static int input_get_disposition(struct input_dev *dev,
static void input_event_dispose(struct input_dev *dev, int disposition,
unsigned int type, unsigned int code, int value)
{
- if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event)
+ if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event && dev->ready)
dev->event(dev, type, code, value);
if (disposition & INPUT_PASS_TO_HANDLERS) {
@@ -568,6 +568,75 @@ void input_release_device(struct input_handle *handle)
}
EXPORT_SYMBOL(input_release_device);
+#define INPUT_DO_TOGGLE(dev, type, bits, on) \
+ do { \
+ int i; \
+ bool active; \
+ \
+ if (!test_bit(EV_##type, dev->evbit)) \
+ break; \
+ \
+ for_each_set_bit(i, dev->bits##bit, type##_CNT) { \
+ active = test_bit(i, dev->bits); \
+ if (!active && !on) \
+ continue; \
+ \
+ dev->event(dev, EV_##type, i, on ? active : 0); \
+ } \
+ } while (0)
+
+/*
+ * Iterate through the logical state of the input device (LEDs, sounds,
+ * auto-repeat) and explicitly push that state down to the hardware
+ * via dev->event() to match the current logical state (if activate is true),
+ * or forcibly turn off all feedback like LEDs and sounds during teardown
+ * or suspend (if activate is false).
+ *
+ * Primarily used as a state-replay mechanism after a device is opened
+ * or uninhibited, as events might have been dropped by the core while the
+ * hardware was not marked as ready.
+ */
+static void input_dev_toggle(struct input_dev *dev, bool activate)
+{
+ if (!dev->event || !dev->ready)
+ return;
+
+ INPUT_DO_TOGGLE(dev, LED, led, activate);
+ INPUT_DO_TOGGLE(dev, SND, snd, activate);
+
+ if (activate && test_bit(EV_REP, dev->evbit)) {
+ dev->event(dev, EV_REP, REP_PERIOD, dev->rep[REP_PERIOD]);
+ dev->event(dev, EV_REP, REP_DELAY, dev->rep[REP_DELAY]);
+ }
+}
+
+static int input_start_device(struct input_dev *dev)
+{
+ int error;
+
+ lockdep_assert_held(&dev->mutex);
+
+ if (dev->users++ == 0 && !dev->inhibited) {
+ if (dev->open) {
+ error = dev->open(dev);
+ if (error) {
+ dev->users--;
+ return error;
+ }
+ }
+
+ scoped_guard(spinlock_irq, &dev->event_lock) {
+ dev->ready = true;
+ input_dev_toggle(dev, true);
+ }
+
+ if (dev->poller)
+ input_dev_poller_start(dev->poller);
+ }
+
+ return 0;
+}
+
/**
* input_open_device - open input device
* @handle: handle through which device is being accessed
@@ -586,21 +655,9 @@ int input_open_device(struct input_handle *handle)
handle->open++;
- if (handle->handler->passive_observer)
- return 0;
-
- if (dev->users++ || dev->inhibited) {
- /*
- * Device is already opened and/or inhibited,
- * so we can exit immediately and report success.
- */
- return 0;
- }
-
- if (dev->open) {
- error = dev->open(dev);
+ if (!handle->handler->passive_observer) {
+ error = input_start_device(dev);
if (error) {
- dev->users--;
handle->open--;
/*
* Make sure we are not delivering any more
@@ -611,8 +668,8 @@ int input_open_device(struct input_handle *handle)
}
}
- if (dev->poller)
- input_dev_poller_start(dev->poller);
+ if (handle->open == 1 && handle->handler->start)
+ handle->handler->start(handle);
}
return 0;
@@ -651,6 +708,12 @@ void input_close_device(struct input_handle *handle)
if (!--dev->users && !dev->inhibited) {
if (dev->poller)
input_dev_poller_stop(dev->poller);
+
+ scoped_guard(spinlock_irq, &dev->event_lock) {
+ input_dev_toggle(dev, false);
+ dev->ready = false;
+ }
+
if (dev->close)
dev->close(dev);
}
@@ -1702,37 +1765,6 @@ static int input_dev_uevent(const struct device *device, struct kobj_uevent_env
return 0;
}
-#define INPUT_DO_TOGGLE(dev, type, bits, on) \
- do { \
- int i; \
- bool active; \
- \
- if (!test_bit(EV_##type, dev->evbit)) \
- break; \
- \
- for_each_set_bit(i, dev->bits##bit, type##_CNT) { \
- active = test_bit(i, dev->bits); \
- if (!active && !on) \
- continue; \
- \
- dev->event(dev, EV_##type, i, on ? active : 0); \
- } \
- } while (0)
-
-static void input_dev_toggle(struct input_dev *dev, bool activate)
-{
- if (!dev->event)
- return;
-
- INPUT_DO_TOGGLE(dev, LED, led, activate);
- INPUT_DO_TOGGLE(dev, SND, snd, activate);
-
- if (activate && test_bit(EV_REP, dev->evbit)) {
- dev->event(dev, EV_REP, REP_PERIOD, dev->rep[REP_PERIOD]);
- dev->event(dev, EV_REP, REP_DELAY, dev->rep[REP_DELAY]);
- }
-}
-
/**
* input_reset_device() - reset/restore the state of input device
* @dev: input device whose state needs to be reset
@@ -1756,52 +1788,73 @@ static int input_inhibit_device(struct input_dev *dev)
{
guard(mutex)(&dev->mutex);
+ if (dev->going_away)
+ return -ENODEV;
+
if (dev->inhibited)
return 0;
if (dev->users) {
- if (dev->close)
- dev->close(dev);
if (dev->poller)
input_dev_poller_stop(dev->poller);
+
+ scoped_guard(spinlock_irq, &dev->event_lock) {
+ input_dev_toggle(dev, false);
+ dev->ready = false;
+ }
+
+ if (dev->close)
+ dev->close(dev);
}
scoped_guard(spinlock_irq, &dev->event_lock) {
input_mt_release_slots(dev);
input_dev_release_keys(dev);
input_handle_event(dev, EV_SYN, SYN_REPORT, 1);
- input_dev_toggle(dev, false);
+ dev->inhibited = true;
}
- dev->inhibited = true;
-
return 0;
}
static int input_uninhibit_device(struct input_dev *dev)
{
+ struct input_handle *handle;
int error;
guard(mutex)(&dev->mutex);
+ if (dev->going_away)
+ return -ENODEV;
+
if (!dev->inhibited)
return 0;
+ dev->inhibited = false;
+
if (dev->users) {
if (dev->open) {
error = dev->open(dev);
- if (error)
+ if (error) {
+ dev->inhibited = true;
return error;
+ }
}
- if (dev->poller)
- input_dev_poller_start(dev->poller);
+ scoped_guard(spinlock_irq, &dev->event_lock)
+ dev->ready = true;
}
- dev->inhibited = false;
-
scoped_guard(spinlock_irq, &dev->event_lock)
input_dev_toggle(dev, true);
+ if (dev->users && dev->poller)
+ input_dev_poller_start(dev->poller);
+
+ list_for_each_entry(handle, &dev->h_list, d_node) {
+ if (handle->open && handle->handler->start)
+ handle->handler->start(handle);
+ }
+
return 0;
}
@@ -2655,9 +2708,6 @@ int input_register_handle(struct input_handle *handle)
*/
list_add_tail_rcu(&handle->h_node, &handler->h_list);
- if (handler->start)
- handler->start(handle);
-
return 0;
}
EXPORT_SYMBOL(input_register_handle);
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -119,44 +119,6 @@ config KEYBOARD_ATKBD
To compile this driver as a module, choose M here: the
module will be called atkbd.
-config KEYBOARD_ATKBD_HP_KEYCODES
- bool "Use HP keyboard scancodes"
- depends on PARISC && KEYBOARD_ATKBD
- default y
- help
- Say Y here if you have a PA-RISC machine and want to use an AT or
- PS/2 keyboard, and your keyboard uses keycodes that are specific to
- PA-RISC keyboards.
-
- Say N if you use a standard keyboard.
-
-config KEYBOARD_ATKBD_RDI_KEYCODES
- bool "Use PrecisionBook keyboard scancodes"
- depends on KEYBOARD_ATKBD_HP_KEYCODES
- default n
- help
- If you have an RDI PrecisionBook, say Y here if you want to use its
- built-in keyboard (as opposed to an external keyboard).
-
- The PrecisionBook has five keys that conflict with those used by most
- AT and PS/2 keyboards. These are as follows:
-
- PrecisionBook Standard AT or PS/2
-
- F1 F12
- Left Ctrl Left Alt
- Caps Lock Left Ctrl
- Right Ctrl Caps Lock
- Left 102nd key (the key to the right of Left Shift)
-
- If you say N here, and use the PrecisionBook keyboard, then each key
- in the left-hand column will be interpreted as the corresponding key
- in the right-hand column.
-
- If you say Y here, and use an external keyboard, then each key in the
- right-hand column will be interpreted as the key shown in the
- left-hand column.
-
config KEYBOARD_QT1050
tristate "Microchip AT42QT1050 Touch Sensor Chip"
depends on I2C
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -73,13 +73,6 @@ MODULE_PARM_DESC(terminal, "Enable break codes on an IBM Terminal keyboard conne
#define ATKBD_KEYMAP_SIZE 512
static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
-#ifdef CONFIG_KEYBOARD_ATKBD_HP_KEYCODES
-
-/* XXX: need a more general approach */
-
-#include "hpps2atkbd.h" /* include the keyboard scancodes */
-
-#else
0, 67, 65, 63, 61, 59, 60, 88,183, 68, 66, 64, 62, 15, 41,117,
184, 56, 42, 93, 29, 16, 2, 0,185, 0, 44, 31, 30, 17, 3, 0,
186, 46, 45, 32, 18, 5, 4, 95,187, 57, 47, 33, 20, 19, 6,183,
@@ -99,7 +92,6 @@ static const unsigned short atkbd_set2_keycode[ATKBD_KEYMAP_SIZE] = {
110,111,108,112,106,103, 0,119, 0,118,109, 0, 99,104,119, 0,
0, 0, 0, 65, 99,
-#endif
};
static const unsigned short atkbd_set3_keycode[ATKBD_KEYMAP_SIZE] = {
diff --git a/drivers/input/keyboard/cap11xx.c b/drivers/input/keyboard/cap11xx.c
--- a/drivers/input/keyboard/cap11xx.c
+++ b/drivers/input/keyboard/cap11xx.c
@@ -5,6 +5,8 @@
* (c) 2014 Daniel Mack <linux@zonque.org>
*/
+#include <linux/bits.h>
+#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/interrupt.h>
@@ -16,63 +18,43 @@
#include <linux/gpio/consumer.h>
#include <linux/bitfield.h>
+#define CAP1114_REG_BUTTON_STATUS1 0x03
+#define CAP1114_REG_BUTTON_STATUS2 0x04
+#define CAP1114_REG_CONFIG2 0x40
+#define CAP1114_REG_CONFIG2_VOL_UP_DOWN BIT(1)
+#define CAP1114_REG_LED_OUTPUT_CONTROL1 0x73
+
#define CAP11XX_REG_MAIN_CONTROL 0x00
#define CAP11XX_REG_MAIN_CONTROL_GAIN_SHIFT (6)
#define CAP11XX_REG_MAIN_CONTROL_GAIN_MASK (0xc0)
#define CAP11XX_REG_MAIN_CONTROL_DLSEEP BIT(4)
-#define CAP11XX_REG_GENERAL_STATUS 0x02
#define CAP11XX_REG_SENSOR_INPUT 0x03
-#define CAP11XX_REG_NOISE_FLAG_STATUS 0x0a
+#define CAP1114_REG_BUTTON_STATUS2 0x04
#define CAP11XX_REG_SENOR_DELTA(X) (0x10 + (X))
#define CAP11XX_REG_SENSITIVITY_CONTROL 0x1f
#define CAP11XX_REG_SENSITIVITY_CONTROL_DELTA_SENSE_MASK 0x70
-#define CAP11XX_REG_CONFIG 0x20
-#define CAP11XX_REG_SENSOR_ENABLE 0x21
-#define CAP11XX_REG_SENSOR_CONFIG 0x22
-#define CAP11XX_REG_SENSOR_CONFIG2 0x23
-#define CAP11XX_REG_SAMPLING_CONFIG 0x24
-#define CAP11XX_REG_CALIBRATION 0x26
-#define CAP11XX_REG_INT_ENABLE 0x27
#define CAP11XX_REG_REPEAT_RATE 0x28
#define CAP11XX_REG_SIGNAL_GUARD_ENABLE 0x29
-#define CAP11XX_REG_MT_CONFIG 0x2a
-#define CAP11XX_REG_MT_PATTERN_CONFIG 0x2b
-#define CAP11XX_REG_MT_PATTERN 0x2d
-#define CAP11XX_REG_RECALIB_CONFIG 0x2f
#define CAP11XX_REG_SENSOR_THRESH(X) (0x30 + (X))
-#define CAP11XX_REG_SENSOR_NOISE_THRESH 0x38
-#define CAP11XX_REG_STANDBY_CHANNEL 0x40
-#define CAP11XX_REG_STANDBY_CONFIG 0x41
-#define CAP11XX_REG_STANDBY_SENSITIVITY 0x42
-#define CAP11XX_REG_STANDBY_THRESH 0x43
#define CAP11XX_REG_CONFIG2 0x44
#define CAP11XX_REG_CONFIG2_ALT_POL BIT(6)
-#define CAP11XX_REG_SENSOR_BASE_CNT(X) (0x50 + (X))
-#define CAP11XX_REG_LED_POLARITY 0x73
#define CAP11XX_REG_LED_OUTPUT_CONTROL 0x74
#define CAP11XX_REG_CALIB_SENSITIVITY_CONFIG 0x80
#define CAP11XX_REG_CALIB_SENSITIVITY_CONFIG2 0x81
-
-#define CAP11XX_REG_LED_DUTY_CYCLE_1 0x90
-#define CAP11XX_REG_LED_DUTY_CYCLE_2 0x91
-#define CAP11XX_REG_LED_DUTY_CYCLE_3 0x92
#define CAP11XX_REG_LED_DUTY_CYCLE_4 0x93
-#define CAP11XX_REG_LED_DUTY_MIN_MASK (0x0f)
-#define CAP11XX_REG_LED_DUTY_MIN_MASK_SHIFT (0)
#define CAP11XX_REG_LED_DUTY_MAX_MASK (0xf0)
-#define CAP11XX_REG_LED_DUTY_MAX_MASK_SHIFT (4)
#define CAP11XX_REG_LED_DUTY_MAX_VALUE (15)
-#define CAP11XX_REG_SENSOR_CALIB (0xb1 + (X))
-#define CAP11XX_REG_SENSOR_CALIB_LSB1 0xb9
-#define CAP11XX_REG_SENSOR_CALIB_LSB2 0xba
#define CAP11XX_REG_PRODUCT_ID 0xfd
#define CAP11XX_REG_MANUFACTURER_ID 0xfe
#define CAP11XX_REG_REVISION 0xff
#define CAP11XX_MANUFACTURER_ID 0x5d
+#define CAP11XX_T_RST_FILT_MIN_US 10000
+#define CAP11XX_T_RST_ON_MIN_MS 400
+
#ifdef CONFIG_LEDS_CLASS
struct cap11xx_led {
struct cap11xx_priv *priv;
@@ -85,6 +67,7 @@ struct cap11xx_priv {
struct regmap *regmap;
struct device *dev;
struct input_dev *idev;
+ struct gpio_desc *reset_gpio;
const struct cap11xx_hw_model *model;
struct cap11xx_led *leds;
@@ -101,47 +84,32 @@ struct cap11xx_priv {
struct cap11xx_hw_model {
u8 product_id;
+ u8 led_output_control_reg_base;
+ u8 sensor_input_reg_base;
unsigned int num_channels;
unsigned int num_leds;
+ unsigned int num_sensor_thresholds;
bool has_gain;
+ bool has_grouped_sensors;
bool has_irq_config;
+ bool has_repeat_en;
bool has_sensitivity_control;
bool has_signal_guard;
};
static const struct reg_default cap11xx_reg_defaults[] = {
{ CAP11XX_REG_MAIN_CONTROL, 0x00 },
- { CAP11XX_REG_GENERAL_STATUS, 0x00 },
- { CAP11XX_REG_SENSOR_INPUT, 0x00 },
- { CAP11XX_REG_NOISE_FLAG_STATUS, 0x00 },
{ CAP11XX_REG_SENSITIVITY_CONTROL, 0x2f },
- { CAP11XX_REG_CONFIG, 0x20 },
- { CAP11XX_REG_SENSOR_ENABLE, 0x3f },
- { CAP11XX_REG_SENSOR_CONFIG, 0xa4 },
- { CAP11XX_REG_SENSOR_CONFIG2, 0x07 },
- { CAP11XX_REG_SAMPLING_CONFIG, 0x39 },
- { CAP11XX_REG_CALIBRATION, 0x00 },
- { CAP11XX_REG_INT_ENABLE, 0x3f },
{ CAP11XX_REG_REPEAT_RATE, 0x3f },
- { CAP11XX_REG_MT_CONFIG, 0x80 },
- { CAP11XX_REG_MT_PATTERN_CONFIG, 0x00 },
- { CAP11XX_REG_MT_PATTERN, 0x3f },
- { CAP11XX_REG_RECALIB_CONFIG, 0x8a },
{ CAP11XX_REG_SENSOR_THRESH(0), 0x40 },
{ CAP11XX_REG_SENSOR_THRESH(1), 0x40 },
{ CAP11XX_REG_SENSOR_THRESH(2), 0x40 },
{ CAP11XX_REG_SENSOR_THRESH(3), 0x40 },
{ CAP11XX_REG_SENSOR_THRESH(4), 0x40 },
{ CAP11XX_REG_SENSOR_THRESH(5), 0x40 },
- { CAP11XX_REG_SENSOR_NOISE_THRESH, 0x01 },
- { CAP11XX_REG_STANDBY_CHANNEL, 0x00 },
- { CAP11XX_REG_STANDBY_CONFIG, 0x39 },
- { CAP11XX_REG_STANDBY_SENSITIVITY, 0x02 },
- { CAP11XX_REG_STANDBY_THRESH, 0x40 },
+ { CAP11XX_REG_SENSOR_THRESH(6), 0x40 },
+ { CAP11XX_REG_SENSOR_THRESH(7), 0x40 },
{ CAP11XX_REG_CONFIG2, 0x40 },
- { CAP11XX_REG_LED_POLARITY, 0x00 },
- { CAP11XX_REG_SENSOR_CALIB_LSB1, 0x00 },
- { CAP11XX_REG_SENSOR_CALIB_LSB2, 0x00 },
};
static bool cap11xx_volatile_reg(struct device *dev, unsigned int reg)
@@ -149,6 +117,12 @@ static bool cap11xx_volatile_reg(struct device *dev, unsigned int reg)
switch (reg) {
case CAP11XX_REG_MAIN_CONTROL:
case CAP11XX_REG_SENSOR_INPUT:
+ /*
+ * CAP1114_REG_BUTTON_STATUS1 (CAP11XX_REG_SENSOR_INPUT) and
+ * CAP1114_REG_BUTTON_STATUS2 is volatile for the CAP1114,
+ * which supports more than 8 touch channels.
+ */
+ case CAP1114_REG_BUTTON_STATUS2:
case CAP11XX_REG_SENOR_DELTA(0):
case CAP11XX_REG_SENOR_DELTA(1):
case CAP11XX_REG_SENOR_DELTA(2):
@@ -257,8 +231,8 @@ static int cap11xx_init_keys(struct cap11xx_priv *priv)
}
if (!of_property_read_u32_array(node, "microchip,input-threshold",
- priv->thresholds, priv->model->num_channels)) {
- for (i = 0; i < priv->model->num_channels; i++) {
+ priv->thresholds, priv->model->num_sensor_thresholds)) {
+ for (i = 0; i < priv->model->num_sensor_thresholds; i++) {
if (priv->thresholds[i] > 127) {
dev_err(dev, "Invalid input-threshold value %u\n",
priv->thresholds[i]);
@@ -273,10 +247,13 @@ static int cap11xx_init_keys(struct cap11xx_priv *priv)
}
}
- if (!of_property_read_u32_array(node, "microchip,calib-sensitivity",
- priv->calib_sensitivities,
- priv->model->num_channels)) {
- if (priv->model->has_sensitivity_control) {
+ if (of_property_present(node, "microchip,calib-sensitivity")) {
+ if (!priv->model->has_sensitivity_control) {
+ dev_warn(dev,
+ "This model doesn't support 'calib-sensitivity'\n");
+ } else if (!of_property_read_u32_array(node, "microchip,calib-sensitivity",
+ priv->calib_sensitivities,
+ priv->model->num_channels)) {
for (i = 0; i < priv->model->num_channels; i++) {
if (!is_power_of_2(priv->calib_sensitivities[i]) ||
priv->calib_sensitivities[i] > 4) {
@@ -296,32 +273,31 @@ static int cap11xx_init_keys(struct cap11xx_priv *priv)
if (error)
return error;
}
- } else {
- dev_warn(dev,
- "This model doesn't support 'calib-sensitivity'\n");
}
}
- for (i = 0; i < priv->model->num_channels; i++) {
- if (!of_property_read_u32_index(node, "microchip,signal-guard",
- i, &u32_val)) {
- if (u32_val > 1)
- return -EINVAL;
- if (u32_val)
- priv->signal_guard_inputs_mask |= 0x01 << i;
- }
- }
-
- if (priv->signal_guard_inputs_mask) {
- if (priv->model->has_signal_guard) {
- error = regmap_write(priv->regmap,
- CAP11XX_REG_SIGNAL_GUARD_ENABLE,
- priv->signal_guard_inputs_mask);
- if (error)
- return error;
- } else {
+ if (of_property_present(node, "microchip,signal-guard")) {
+ if (!priv->model->has_signal_guard) {
dev_warn(dev,
"This model doesn't support 'signal-guard'\n");
+ } else {
+ for (i = 0; i < priv->model->num_channels; i++) {
+ if (!of_property_read_u32_index(node, "microchip,signal-guard",
+ i, &u32_val)) {
+ if (u32_val > 1)
+ return -EINVAL;
+ if (u32_val)
+ priv->signal_guard_inputs_mask |= 0x01 << i;
+ }
+ }
+
+ if (priv->signal_guard_inputs_mask) {
+ error = regmap_write(priv->regmap,
+ CAP11XX_REG_SIGNAL_GUARD_ENABLE,
+ priv->signal_guard_inputs_mask);
+ if (error)
+ return error;
+ }
}
}
@@ -332,10 +308,23 @@ static int cap11xx_init_keys(struct cap11xx_priv *priv)
of_property_read_u32_array(node, "linux,keycodes",
priv->keycodes, priv->model->num_channels);
- /* Disable autorepeat. The Linux input system has its own handling. */
- error = regmap_write(priv->regmap, CAP11XX_REG_REPEAT_RATE, 0);
- if (error)
- return error;
+ /*
+ * CAP1114 needs dedicated configuration to split
+ * grouped sensors into independent inputs.
+ */
+ if (priv->model->has_grouped_sensors) {
+ error = regmap_set_bits(priv->regmap, CAP1114_REG_CONFIG2,
+ CAP1114_REG_CONFIG2_VOL_UP_DOWN);
+ if (error)
+ return error;
+ }
+
+ if (priv->model->has_repeat_en) {
+ /* Disable autorepeat. The Linux input system has its own handling. */
+ error = regmap_write(priv->regmap, CAP11XX_REG_REPEAT_RATE, 0);
+ if (error)
+ return error;
+ }
return 0;
}
@@ -354,10 +343,25 @@ static irqreturn_t cap11xx_thread_func(int irq_num, void *data)
if (ret < 0)
goto out;
- ret = regmap_read(priv->regmap, CAP11XX_REG_SENSOR_INPUT, &status);
+ ret = regmap_read(priv->regmap, priv->model->sensor_input_reg_base, &status);
if (ret < 0)
goto out;
+ if (priv->model->num_channels > 8) {
+ unsigned int status2;
+
+ ret = regmap_read(priv->regmap, priv->model->sensor_input_reg_base + 1, &status2);
+ if (ret < 0)
+ goto out;
+
+ /*
+ * CAP1114 STATUS1 register only contains data for the first 6 channels.
+ * the remaining channels is stored in STATUS2.
+ */
+ status &= GENMASK(5, 0);
+ status |= FIELD_PREP(GENMASK(13, 6), status2);
+ }
+
for (i = 0; i < priv->idev->keycodemax; i++)
input_report_key(priv->idev, priv->keycodes[i],
status & (1 << i));
@@ -407,10 +411,16 @@ static int cap11xx_led_set(struct led_classdev *cdev,
* limitation. Brightness levels per LED are either
* 0 (OFF) and 1 (ON).
*/
- return regmap_update_bits(priv->regmap,
- CAP11XX_REG_LED_OUTPUT_CONTROL,
- BIT(led->reg),
- value ? BIT(led->reg) : 0);
+ if (led->reg >= 8)
+ return regmap_update_bits(priv->regmap,
+ priv->model->led_output_control_reg_base + 1,
+ BIT(led->reg - 8),
+ value ? BIT(led->reg - 8) : 0);
+ else
+ return regmap_update_bits(priv->regmap,
+ priv->model->led_output_control_reg_base,
+ BIT(led->reg),
+ value ? BIT(led->reg) : 0);
}
static int cap11xx_init_leds(struct device *dev,
@@ -420,6 +430,7 @@ static int cap11xx_init_leds(struct device *dev,
struct cap11xx_led *led;
int cnt = of_get_child_count(node);
int error;
+ u32 duty_val;
if (!num_leds || !cnt)
return 0;
@@ -433,15 +444,26 @@ static int cap11xx_init_leds(struct device *dev,
priv->leds = led;
+ /* Set all LEDs to off */
error = regmap_update_bits(priv->regmap,
- CAP11XX_REG_LED_OUTPUT_CONTROL, 0xff, 0);
+ priv->model->led_output_control_reg_base,
+ GENMASK(min(num_leds, 8) - 1, 0), 0);
if (error)
return error;
+ if (num_leds > 8) {
+ error = regmap_update_bits(priv->regmap,
+ priv->model->led_output_control_reg_base + 1,
+ GENMASK(num_leds - 8 - 1, 0), 0);
+ if (error)
+ return error;
+ }
+
+ duty_val = FIELD_PREP(CAP11XX_REG_LED_DUTY_MAX_MASK,
+ CAP11XX_REG_LED_DUTY_MAX_VALUE);
+
error = regmap_update_bits(priv->regmap, CAP11XX_REG_LED_DUTY_CYCLE_4,
- CAP11XX_REG_LED_DUTY_MAX_MASK,
- CAP11XX_REG_LED_DUTY_MAX_VALUE <<
- CAP11XX_REG_LED_DUTY_MAX_MASK_SHIFT);
+ CAP11XX_REG_LED_DUTY_MAX_MASK, duty_val);
if (error)
return error;
@@ -510,9 +532,20 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
if (IS_ERR(priv->regmap))
return PTR_ERR(priv->regmap);
+ priv->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(priv->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(priv->reset_gpio),
+ "Failed to get 'reset' GPIO\n");
+
+ if (priv->reset_gpio) {
+ usleep_range(CAP11XX_T_RST_FILT_MIN_US, CAP11XX_T_RST_FILT_MIN_US * 2);
+ gpiod_set_value_cansleep(priv->reset_gpio, 0);
+ msleep(CAP11XX_T_RST_ON_MIN_MS);
+ }
+
error = regmap_read(priv->regmap, CAP11XX_REG_PRODUCT_ID, &val);
if (error)
- return error;
+ return dev_err_probe(dev, error, "Failed to read product ID\n");
if (val != cap->product_id) {
dev_err(dev, "Product ID: Got 0x%02x, expected 0x%02x\n",
@@ -522,7 +555,7 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
error = regmap_read(priv->regmap, CAP11XX_REG_MANUFACTURER_ID, &val);
if (error)
- return error;
+ return dev_err_probe(dev, error, "Failed to read manufacturer ID\n");
if (val != CAP11XX_MANUFACTURER_ID) {
dev_err(dev, "Manufacturer ID: Got 0x%02x, expected 0x%02x\n",
@@ -531,11 +564,8 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
}
error = regmap_read(priv->regmap, CAP11XX_REG_REVISION, &rev);
- if (error < 0)
- return error;
-
- dev_info(dev, "CAP11XX detected, model %s, revision 0x%02x\n",
- id->name, rev);
+ if (error)
+ return dev_err_probe(dev, error, "Failed to read revision\n");
priv->model = cap;
@@ -599,47 +629,79 @@ static int cap11xx_i2c_probe(struct i2c_client *i2c_client)
}
static const struct cap11xx_hw_model cap1106_model = {
- .product_id = 0x55, .num_channels = 6, .num_leds = 0,
+ .product_id = 0x55,
+ .num_channels = 6, .num_leds = 0, .num_sensor_thresholds = 6,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
.has_gain = true,
.has_irq_config = true,
+ .has_repeat_en = true,
+};
+
+static const struct cap11xx_hw_model cap1114_model = {
+ .product_id = 0x3a,
+ .num_channels = 14, .num_leds = 11, .num_sensor_thresholds = 8,
+ .led_output_control_reg_base = CAP1114_REG_LED_OUTPUT_CONTROL1,
+ .sensor_input_reg_base = CAP1114_REG_BUTTON_STATUS1,
+ .has_grouped_sensors = true,
};
static const struct cap11xx_hw_model cap1126_model = {
- .product_id = 0x53, .num_channels = 6, .num_leds = 2,
+ .product_id = 0x53,
+ .num_channels = 6, .num_leds = 2, .num_sensor_thresholds = 6,
+ .led_output_control_reg_base = CAP11XX_REG_LED_OUTPUT_CONTROL,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
.has_gain = true,
.has_irq_config = true,
+ .has_repeat_en = true,
};
static const struct cap11xx_hw_model cap1188_model = {
- .product_id = 0x50, .num_channels = 8, .num_leds = 8,
+ .product_id = 0x50,
+ .num_channels = 8, .num_leds = 8, .num_sensor_thresholds = 8,
+ .led_output_control_reg_base = CAP11XX_REG_LED_OUTPUT_CONTROL,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
.has_gain = true,
.has_irq_config = true,
+ .has_repeat_en = true,
};
static const struct cap11xx_hw_model cap1203_model = {
- .product_id = 0x6d, .num_channels = 3, .num_leds = 0,
+ .product_id = 0x6d,
+ .num_channels = 3, .num_leds = 0, .num_sensor_thresholds = 3,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
+ .has_repeat_en = true,
};
static const struct cap11xx_hw_model cap1206_model = {
- .product_id = 0x67, .num_channels = 6, .num_leds = 0,
+ .product_id = 0x67,
+ .num_channels = 6, .num_leds = 0, .num_sensor_thresholds = 6,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
+ .has_repeat_en = true,
};
static const struct cap11xx_hw_model cap1293_model = {
- .product_id = 0x6f, .num_channels = 3, .num_leds = 0,
+ .product_id = 0x6f,
+ .num_channels = 3, .num_leds = 0, .num_sensor_thresholds = 3,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
.has_gain = true,
+ .has_repeat_en = true,
.has_sensitivity_control = true,
.has_signal_guard = true,
};
static const struct cap11xx_hw_model cap1298_model = {
- .product_id = 0x71, .num_channels = 8, .num_leds = 0,
+ .product_id = 0x71,
+ .num_channels = 8, .num_leds = 0, .num_sensor_thresholds = 8,
+ .sensor_input_reg_base = CAP11XX_REG_SENSOR_INPUT,
.has_gain = true,
+ .has_repeat_en = true,
.has_sensitivity_control = true,
.has_signal_guard = true,
};
static const struct of_device_id cap11xx_dt_ids[] = {
{ .compatible = "microchip,cap1106", .data = &cap1106_model },
+ { .compatible = "microchip,cap1114", .data = &cap1114_model },
{ .compatible = "microchip,cap1126", .data = &cap1126_model },
{ .compatible = "microchip,cap1188", .data = &cap1188_model },
{ .compatible = "microchip,cap1203", .data = &cap1203_model },
@@ -652,6 +714,7 @@ MODULE_DEVICE_TABLE(of, cap11xx_dt_ids);
static const struct i2c_device_id cap11xx_i2c_ids[] = {
{ .name = "cap1106", .driver_data = (kernel_ulong_t)&cap1106_model },
+ { .name = "cap1114", .driver_data = (kernel_ulong_t)&cap1114_model },
{ .name = "cap1126", .driver_data = (kernel_ulong_t)&cap1126_model },
{ .name = "cap1188", .driver_data = (kernel_ulong_t)&cap1188_model },
{ .name = "cap1203", .driver_data = (kernel_ulong_t)&cap1203_model },
diff --git a/drivers/input/keyboard/charlieplex_keypad.c b/drivers/input/keyboard/charlieplex_keypad.c
--- a/drivers/input/keyboard/charlieplex_keypad.c
+++ b/drivers/input/keyboard/charlieplex_keypad.c
@@ -77,7 +77,9 @@ static int charlieplex_keypad_scan_line(struct charlieplex_keypad *keypad,
int err;
/* Activate only one line as output at a time. */
- gpiod_direction_output(line_gpios->desc[oline], 1);
+ err = gpiod_direction_output(line_gpios->desc[oline], 1);
+ if (err)
+ return err;
if (keypad->settling_time_us)
fsleep(keypad->settling_time_us);
diff --git a/drivers/input/keyboard/hpps2atkbd.h b/drivers/input/keyboard/hpps2atkbd.h
deleted file mode 100644
--- a/drivers/input/keyboard/hpps2atkbd.h
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * drivers/input/keyboard/hpps2atkbd.h
- *
- * Copyright (c) 2004 Helge Deller <deller@gmx.de>
- * Copyright (c) 2002 Laurent Canet <canetl@esiee.fr>
- * Copyright (c) 2002 Thibaut Varene <varenet@parisc-linux.org>
- * Copyright (c) 2000 Xavier Debacker <debackex@esiee.fr>
- *
- * HP PS/2 AT-compatible Keyboard, found in PA/RISC Workstations & Laptops
- *
- * 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.
- */
-
-
-/* Is the keyboard an RDI PrecisionBook? */
-#ifndef CONFIG_KEYBOARD_ATKBD_RDI_KEYCODES
-# define CONFLICT(x,y) x
-#else
-# define CONFLICT(x,y) y
-#endif
-
-/* sadly RDI (Tadpole) decided to ship a different keyboard layout
- than HP for their PS/2 laptop keyboard which leads to conflicting
- keycodes between a normal HP PS/2 keyboard and a RDI Precisionbook.
- HP: RDI: */
-#define C_07 CONFLICT( KEY_F12, KEY_F1 )
-#define C_11 CONFLICT( KEY_LEFTALT, KEY_LEFTCTRL )
-#define C_14 CONFLICT( KEY_LEFTCTRL, KEY_CAPSLOCK )
-#define C_58 CONFLICT( KEY_CAPSLOCK, KEY_RIGHTCTRL )
-#define C_61 CONFLICT( KEY_102ND, KEY_LEFT )
-
-/* Raw SET 2 scancode table */
-
-/* 00 */ KEY_RESERVED, KEY_F9, KEY_RESERVED, KEY_F5, KEY_F3, KEY_F1, KEY_F2, C_07,
-/* 08 */ KEY_ESC, KEY_F10, KEY_F8, KEY_F6, KEY_F4, KEY_TAB, KEY_GRAVE, KEY_F2,
-/* 10 */ KEY_RESERVED, C_11, KEY_LEFTSHIFT, KEY_RESERVED, C_14, KEY_Q, KEY_1, KEY_F3,
-/* 18 */ KEY_RESERVED, KEY_LEFTALT, KEY_Z, KEY_S, KEY_A, KEY_W, KEY_2, KEY_F4,
-/* 20 */ KEY_RESERVED, KEY_C, KEY_X, KEY_D, KEY_E, KEY_4, KEY_3, KEY_F5,
-/* 28 */ KEY_RESERVED, KEY_SPACE, KEY_V, KEY_F, KEY_T, KEY_R, KEY_5, KEY_F6,
-/* 30 */ KEY_RESERVED, KEY_N, KEY_B, KEY_H, KEY_G, KEY_Y, KEY_6, KEY_F7,
-/* 38 */ KEY_RESERVED, KEY_RIGHTALT, KEY_M, KEY_J, KEY_U, KEY_7, KEY_8, KEY_F8,
-/* 40 */ KEY_RESERVED, KEY_COMMA, KEY_K, KEY_I, KEY_O, KEY_0, KEY_9, KEY_F9,
-/* 48 */ KEY_RESERVED, KEY_DOT, KEY_SLASH, KEY_L, KEY_SEMICOLON, KEY_P, KEY_MINUS, KEY_F10,
-/* 50 */ KEY_RESERVED, KEY_RESERVED, KEY_APOSTROPHE,KEY_RESERVED, KEY_LEFTBRACE, KEY_EQUAL, KEY_F11, KEY_SYSRQ,
-/* 58 */ C_58, KEY_RIGHTSHIFT,KEY_ENTER, KEY_RIGHTBRACE,KEY_BACKSLASH, KEY_BACKSLASH,KEY_F12, KEY_SCROLLLOCK,
-/* 60 */ KEY_DOWN, C_61, KEY_PAUSE, KEY_UP, KEY_DELETE, KEY_END, KEY_BACKSPACE, KEY_INSERT,
-/* 68 */ KEY_RESERVED, KEY_KP1, KEY_RIGHT, KEY_KP4, KEY_KP7, KEY_PAGEDOWN, KEY_HOME, KEY_PAGEUP,
-/* 70 */ KEY_KP0, KEY_KPDOT, KEY_KP2, KEY_KP5, KEY_KP6, KEY_KP8, KEY_ESC, KEY_NUMLOCK,
-/* 78 */ KEY_F11, KEY_KPPLUS, KEY_KP3, KEY_KPMINUS, KEY_KPASTERISK,KEY_KP9, KEY_SCROLLLOCK,KEY_102ND,
-/* 80 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 88 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 90 */ KEY_RESERVED, KEY_RIGHTALT, 255, KEY_RESERVED, KEY_RIGHTCTRL, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 98 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_CAPSLOCK, KEY_RESERVED, KEY_LEFTMETA,
-/* a0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RIGHTMETA,
-/* a8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_COMPOSE,
-/* b0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* b8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* c0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* c8 */ KEY_RESERVED, KEY_RESERVED, KEY_KPSLASH, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* d0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* d8 */ KEY_RESERVED, KEY_RESERVED, KEY_KPENTER, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* e0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* e8 */ KEY_RESERVED, KEY_END, KEY_RESERVED, KEY_LEFT, KEY_HOME, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* f0 */ KEY_INSERT, KEY_DELETE, KEY_DOWN, KEY_RESERVED, KEY_RIGHT, KEY_UP, KEY_RESERVED, KEY_PAUSE,
-/* f8 */ KEY_RESERVED, KEY_RESERVED, KEY_PAGEDOWN, KEY_RESERVED, KEY_SYSRQ, KEY_PAGEUP, KEY_RESERVED, KEY_RESERVED,
-
-/* These are offset for escaped keycodes: */
-
-/* 00 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_F7, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 08 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_LEFTMETA, KEY_RIGHTMETA, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 10 */ KEY_RESERVED, KEY_RIGHTALT, KEY_RESERVED, KEY_RESERVED, KEY_RIGHTCTRL, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 18 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 20 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 28 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 30 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 38 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 40 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 48 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 50 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 58 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 60 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 68 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 70 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 78 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 80 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 88 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 90 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* 98 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* a0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* a8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* b0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* b8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* c0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* c8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* d0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* d8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* e0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* e8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* f0 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED,
-/* f8 */ KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED, KEY_RESERVED
-
-#undef CONFLICT
-#undef C_07
-#undef C_11
-#undef C_14
-#undef C_58
-#undef C_61
-
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -16,7 +16,6 @@
#include <linux/interrupt.h>
#include <linux/jiffies.h>
#include <linux/module.h>
-#include <linux/gpio.h>
#include <linux/input/matrix_keypad.h>
#include <linux/slab.h>
#include <linux/of.h>
diff --git a/drivers/input/keyboard/pmic8xxx-keypad.c b/drivers/input/keyboard/pmic8xxx-keypad.c
--- a/drivers/input/keyboard/pmic8xxx-keypad.c
+++ b/drivers/input/keyboard/pmic8xxx-keypad.c
@@ -462,15 +462,9 @@ static int pmic8xxx_kp_enable(struct pmic8xxx_kp *kp)
static int pmic8xxx_kp_disable(struct pmic8xxx_kp *kp)
{
- int rc;
-
kp->ctrl_reg &= ~KEYP_CTRL_KEYP_EN;
- rc = regmap_write(kp->regmap, KEYP_CTRL, kp->ctrl_reg);
- if (rc < 0)
- return rc;
-
- return rc;
+ return regmap_write(kp->regmap, KEYP_CTRL, kp->ctrl_reg);
}
static int pmic8xxx_kp_open(struct input_dev *dev)
diff --git a/drivers/input/keyboard/samsung-keypad.c b/drivers/input/keyboard/samsung-keypad.c
--- a/drivers/input/keyboard/samsung-keypad.c
+++ b/drivers/input/keyboard/samsung-keypad.c
@@ -142,7 +142,7 @@ static irqreturn_t samsung_keypad_irq(int irq, void *dev_id)
unsigned int row_state[SAMSUNG_MAX_COLS];
bool key_down;
- pm_runtime_get_sync(&keypad->pdev->dev);
+ guard(pm_runtime_active)(&keypad->pdev->dev);
do {
readl(keypad->base + SAMSUNG_KEYIFSTSCLR);
@@ -158,8 +158,6 @@ static irqreturn_t samsung_keypad_irq(int irq, void *dev_id)
} while (key_down && !keypad->stopped);
- pm_runtime_put(&keypad->pdev->dev);
-
return IRQ_HANDLED;
}
@@ -167,7 +165,7 @@ static void samsung_keypad_start(struct samsung_keypad *keypad)
{
unsigned int val;
- pm_runtime_get_sync(&keypad->pdev->dev);
+ guard(pm_runtime_active)(&keypad->pdev->dev);
/* Tell IRQ thread that it may poll the device. */
keypad->stopped = false;
@@ -182,14 +180,14 @@ static void samsung_keypad_start(struct samsung_keypad *keypad)
/* KEYIFCOL reg clear. */
writel(0, keypad->base + SAMSUNG_KEYIFCOL);
- pm_runtime_put(&keypad->pdev->dev);
+ enable_irq(keypad->irq);
}
static void samsung_keypad_stop(struct samsung_keypad *keypad)
{
unsigned int val;
- pm_runtime_get_sync(&keypad->pdev->dev);
+ guard(pm_runtime_active)(&keypad->pdev->dev);
/* Signal IRQ thread to stop polling and disable the handler. */
keypad->stopped = true;
@@ -205,14 +203,6 @@ static void samsung_keypad_stop(struct samsung_keypad *keypad)
writel(val, keypad->base + SAMSUNG_KEYIFCON);
clk_disable(keypad->clk);
-
- /*
- * Now that chip should not generate interrupts we can safely
- * re-enable the handler.
- */
- enable_irq(keypad->irq);
-
- pm_runtime_put(&keypad->pdev->dev);
}
static int samsung_keypad_open(struct input_dev *input_dev)
@@ -412,7 +402,8 @@ static int samsung_keypad_probe(struct platform_device *pdev)
}
error = devm_request_threaded_irq(&pdev->dev, keypad->irq, NULL,
- samsung_keypad_irq, IRQF_ONESHOT,
+ samsung_keypad_irq,
+ IRQF_ONESHOT | IRQF_NO_AUTOEN,
dev_name(&pdev->dev), keypad);
if (error) {
dev_err(&pdev->dev, "failed to register keypad interrupt\n");
@@ -492,15 +483,17 @@ static void samsung_keypad_toggle_wakeup(struct samsung_keypad *keypad,
val = readl(keypad->base + SAMSUNG_KEYIFCON);
if (enable) {
+ enable_irq_wake(keypad->irq);
val |= SAMSUNG_KEYIFCON_WAKEUPEN;
- if (device_may_wakeup(&keypad->pdev->dev))
- enable_irq_wake(keypad->irq);
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
} else {
val &= ~SAMSUNG_KEYIFCON_WAKEUPEN;
- if (device_may_wakeup(&keypad->pdev->dev))
- disable_irq_wake(keypad->irq);
+ writel(val, keypad->base + SAMSUNG_KEYIFCON);
+ disable_irq_wake(keypad->irq);
+
+ if (!input_device_enabled(keypad->input_dev))
+ writel(~0x0, keypad->base + SAMSUNG_KEYIFSTSCLR);
}
- writel(val, keypad->base + SAMSUNG_KEYIFCON);
clk_disable(keypad->clk);
}
@@ -516,7 +509,8 @@ static int samsung_keypad_suspend(struct device *dev)
if (input_device_enabled(input_dev))
samsung_keypad_stop(keypad);
- samsung_keypad_toggle_wakeup(keypad, true);
+ if (device_may_wakeup(dev))
+ samsung_keypad_toggle_wakeup(keypad, true);
return 0;
}
@@ -529,7 +523,8 @@ static int samsung_keypad_resume(struct device *dev)
guard(mutex)(&input_dev->mutex);
- samsung_keypad_toggle_wakeup(keypad, false);
+ if (device_may_wakeup(dev))
+ samsung_keypad_toggle_wakeup(keypad, false);
if (input_device_enabled(input_dev))
samsung_keypad_start(keypad);
diff --git a/drivers/input/keyboard/snvs_pwrkey.c b/drivers/input/keyboard/snvs_pwrkey.c
--- a/drivers/input/keyboard/snvs_pwrkey.c
+++ b/drivers/input/keyboard/snvs_pwrkey.c
@@ -39,6 +39,9 @@ struct pwrkey_drv_data {
int keycode;
int keystate; /* 1:pressed */
int wakeup;
+ bool suspended; /* Track suspend state */
+ bool pending_press; /* Key pressed during suspend, report from timer callback */
+ spinlock_t lock; /* Protects keystate, suspended and pending_press */
struct timer_list check_timer;
struct input_dev *input;
u8 minor_rev;
@@ -49,14 +52,38 @@ static void imx_imx_snvs_check_for_events(struct timer_list *t)
struct pwrkey_drv_data *pdata = timer_container_of(pdata, t,
check_timer);
struct input_dev *input = pdata->input;
+ bool state_changed = false;
+ bool pending_press;
u32 state;
regmap_read(pdata->snvs, SNVS_HPSR_REG, &state);
state = state & SNVS_HPSR_BTN ? 1 : 0;
- /* only report new event if status changed */
- if (state ^ pdata->keystate) {
- pdata->keystate = state;
+ scoped_guard(spinlock_irqsave, &pdata->lock) {
+ pending_press = pdata->pending_press;
+ if (pending_press) {
+ pdata->pending_press = false;
+ pdata->keystate = 1;
+ }
+ /* only report new event if status changed */
+ if (state ^ pdata->keystate) {
+ pdata->keystate = state;
+ state_changed = true;
+ }
+ }
+
+ /*
+ * Report a press event latched during suspend. If the key is still
+ * held, state_changed will be 0 (keystate already set to 1 above),
+ * so no duplicate press is reported. If already released,
+ * state_changed will fire next to report the release.
+ */
+ if (pending_press) {
+ input_report_key(input, pdata->keycode, 1);
+ input_sync(input);
+ }
+
+ if (state_changed) {
input_event(input, EV_KEY, pdata->keycode, state);
input_sync(input);
pm_relax(pdata->input->dev.parent);
@@ -92,8 +119,17 @@ static irqreturn_t imx_snvs_pwrkey_interrupt(int irq, void *dev_id)
input_sync(input);
pm_relax(input->dev.parent);
} else {
+ /*
+ * If the key is pressed during suspend, latch it so
+ * the timer callback can report the press event in
+ * softirq context, avoiding out-of-order events.
+ */
+ scoped_guard(spinlock_irqsave, &pdata->lock) {
+ if (pdata->suspended)
+ pdata->pending_press = true;
+ }
mod_timer(&pdata->check_timer,
- jiffies + msecs_to_jiffies(DEBOUNCE_TIME));
+ jiffies + msecs_to_jiffies(DEBOUNCE_TIME));
}
}
@@ -112,6 +148,7 @@ static void imx_snvs_pwrkey_act(void *pdata)
static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct pwrkey_drv_data *pdata;
struct input_dev *input;
struct device_node *np;
@@ -122,37 +159,35 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
u32 vid;
/* Get SNVS register Page */
- np = pdev->dev.of_node;
+ np = dev->of_node;
if (!np)
- return -ENODEV;
+ return dev_err_probe(dev, -ENODEV, "Device tree node not found\n");
- pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
pdata->snvs = syscon_regmap_lookup_by_phandle(np, "regmap");
- if (IS_ERR(pdata->snvs)) {
- dev_err(&pdev->dev, "Can't get snvs syscon\n");
- return PTR_ERR(pdata->snvs);
- }
+ if (IS_ERR(pdata->snvs))
+ return dev_err_probe(dev, PTR_ERR(pdata->snvs), "Can't get snvs syscon\n");
if (of_property_read_u32(np, "linux,keycode", &pdata->keycode)) {
pdata->keycode = KEY_POWER;
- dev_warn(&pdev->dev, "KEY_POWER without setting in dts\n");
+ dev_warn(dev, "KEY_POWER without setting in dts\n");
}
- clk = devm_clk_get_optional_enabled(&pdev->dev, NULL);
- if (IS_ERR(clk)) {
- dev_err(&pdev->dev, "Failed to get snvs clock (%pe)\n", clk);
- return PTR_ERR(clk);
- }
+ clk = devm_clk_get_optional_enabled(dev, NULL);
+ if (IS_ERR(clk))
+ return dev_err_probe(dev, PTR_ERR(clk),
+ "Failed to get snvs clock (%pe)\n", clk);
pdata->wakeup = of_property_read_bool(np, "wakeup-source");
pdata->irq = platform_get_irq(pdev, 0);
if (pdata->irq < 0)
- return -EINVAL;
+ return pdata->irq;
+ spin_lock_init(&pdata->lock);
error = of_property_read_u32(np, "power-off-time-sec", &val);
if (!error) {
switch (val) {
@@ -165,9 +200,8 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
bpt = (val / 5) - 1;
break;
default:
- dev_err(&pdev->dev,
- "power-off-time-sec %d out of range\n", val);
- return -EINVAL;
+ return dev_err_probe(dev, -EINVAL,
+ "power-off-time-sec %d out of range\n", val);
}
regmap_update_bits(pdata->snvs, SNVS_LPCR_REG, SNVS_LPCR_BPT_MASK,
@@ -184,11 +218,9 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
timer_setup(&pdata->check_timer, imx_imx_snvs_check_for_events, 0);
- input = devm_input_allocate_device(&pdev->dev);
- if (!input) {
- dev_err(&pdev->dev, "failed to allocate the input device\n");
- return -ENOMEM;
- }
+ input = devm_input_allocate_device(dev);
+ if (!input)
+ return dev_err_probe(dev, -ENOMEM, "failed to allocate the input device\n");
input->name = pdev->name;
input->phys = "snvs-pwrkey/input0";
@@ -197,37 +229,57 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
input_set_capability(input, EV_KEY, pdata->keycode);
/* input customer action to cancel release timer */
- error = devm_add_action(&pdev->dev, imx_snvs_pwrkey_act, pdata);
- if (error) {
- dev_err(&pdev->dev, "failed to register remove action\n");
- return error;
- }
+ error = devm_add_action(dev, imx_snvs_pwrkey_act, pdata);
+ if (error)
+ return dev_err_probe(dev, error, "failed to register remove action\n");
pdata->input = input;
platform_set_drvdata(pdev, pdata);
- error = devm_request_irq(&pdev->dev, pdata->irq,
- imx_snvs_pwrkey_interrupt,
- 0, pdev->name, pdev);
- if (error) {
- dev_err(&pdev->dev, "interrupt not available.\n");
- return error;
- }
+ error = devm_request_irq(dev, pdata->irq,
+ imx_snvs_pwrkey_interrupt,
+ 0, pdev->name, pdev);
+ if (error)
+ return dev_err_probe(dev, error, "interrupt not available.\n");
error = input_register_device(input);
- if (error < 0) {
- dev_err(&pdev->dev, "failed to register input device\n");
- return error;
- }
+ if (error < 0)
+ return dev_err_probe(dev, error, "failed to register input device\n");
- device_init_wakeup(&pdev->dev, pdata->wakeup);
- error = dev_pm_set_wake_irq(&pdev->dev, pdata->irq);
+ device_init_wakeup(dev, pdata->wakeup);
+ error = dev_pm_set_wake_irq(dev, pdata->irq);
if (error)
- dev_err(&pdev->dev, "irq wake enable failed.\n");
+ dev_err(dev, "irq wake enable failed.\n");
return 0;
}
+static int imx_snvs_pwrkey_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct pwrkey_drv_data *pdata = platform_get_drvdata(pdev);
+
+ guard(spinlock_irq)(&pdata->lock);
+ pdata->suspended = true;
+
+ return 0;
+}
+
+static int imx_snvs_pwrkey_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct pwrkey_drv_data *pdata = platform_get_drvdata(pdev);
+
+ guard(spinlock_irq)(&pdata->lock);
+ pdata->suspended = false;
+
+ return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(imx_snvs_pwrkey_pm_ops,
+ imx_snvs_pwrkey_suspend,
+ imx_snvs_pwrkey_resume);
+
static const struct of_device_id imx_snvs_pwrkey_ids[] = {
{ .compatible = "fsl,sec-v4.0-pwrkey" },
{ /* sentinel */ }
@@ -238,6 +290,7 @@ static struct platform_driver imx_snvs_pwrkey_driver = {
.driver = {
.name = "snvs_pwrkey",
.of_match_table = imx_snvs_pwrkey_ids,
+ .pm = pm_ptr(&imx_snvs_pwrkey_pm_ops),
},
.probe = imx_snvs_pwrkey_probe,
};
diff --git a/drivers/input/keyboard/tca8418_keypad.c b/drivers/input/keyboard/tca8418_keypad.c
--- a/drivers/input/keyboard/tca8418_keypad.c
+++ b/drivers/input/keyboard/tca8418_keypad.c
@@ -254,7 +254,8 @@ static int tca8418_configure(struct tca8418_keypad *keypad_data,
return error;
error = tca8418_write_byte(keypad_data, REG_CFG,
- CFG_INT_CFG | CFG_OVR_FLOW_IEN | CFG_KE_IEN);
+ CFG_INT_CFG | CFG_OVR_FLOW_IEN |
+ CFG_OVR_FLOW_M | CFG_KE_IEN);
return error;
}
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -842,6 +842,18 @@ config INPUT_IQS7222
To compile this driver as a module, choose M here: the
module will be called iqs7222.
+config INPUT_ISA1200_HAPTIC
+ tristate "Imagis ISA1200 haptic feedback unit"
+ depends on I2C
+ select INPUT_FF_MEMLESS
+ select REGMAP_I2C
+ help
+ Say Y to enable support for the Imagis ISA1200 haptic
+ feedback unit.
+
+ To compile this driver as a module, choose M here: the
+ module will be called isa1200.
+
config INPUT_CMA3000
tristate "VTI CMA3000 Tri-axis accelerometer"
help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_INPUT_IMS_PCU) += ims-pcu.o
obj-$(CONFIG_INPUT_IQS269A) += iqs269a.o
obj-$(CONFIG_INPUT_IQS626A) += iqs626a.o
obj-$(CONFIG_INPUT_IQS7222) += iqs7222.o
+obj-$(CONFIG_INPUT_ISA1200_HAPTIC) += isa1200.o
obj-$(CONFIG_INPUT_KEYSPAN_REMOTE) += keyspan_remote.o
obj-$(CONFIG_INPUT_KXTJ9) += kxtj9.o
obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -2234,6 +2234,7 @@ static const struct usb_device_id ims_pcu_id_table[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(usb, ims_pcu_id_table);
static const struct attribute_group *ims_pcu_sysfs_groups[] = {
&ims_pcu_attr_group,
diff --git a/drivers/input/misc/isa1200.c b/drivers/input/misc/isa1200.c
new file mode 100644
--- /dev/null
+++ b/drivers/input/misc/isa1200.c
@@ -0,0 +1,533 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <linux/array_size.h>
+#include <linux/bitmap.h>
+#include <linux/bits.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/devm-helpers.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/property.h>
+#include <linux/pwm.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/units.h>
+
+/*
+ * System control (LDO regulator)
+ *
+ * LDO voltage to register mapping is linear, but it is split in two parts:
+ * 2.3V - 3.0V map to 0x08 - 0x0f; 3.1V - 3.8V map to 0x00 - 0x7
+ */
+
+#define ISA1200_SCTRL 0x00
+#define ISA1200_LDO_VOLTAGE_BASE 0x08
+#define ISA1200_LDO_VOLTAGE_STEP 100000
+#define ISA1200_LDO_VOLTAGE_2V3 23
+#define ISA1200_LDO_VOLTAGE_3V1 31
+#define ISA1200_LDO_VOLTAGE_MIN 2300000
+#define ISA1200_LDO_VOLTAGE_MAX 3800000
+
+/*
+ * The output frequency is calculated with this formula:
+ *
+ * base clock frequency
+ * fout = -----------------------------------------
+ * (128 - PWM_FREQ) * 2 * PLLDIV * PWM_PERIOD
+ *
+ * The base clock frequency is the clock frequency provided on the
+ * clock input to the chip, divided by the value in HCTRL0
+ *
+ * PWM_FREQ is configured in register HCTRL4, it is common to set this
+ * to 0 to get only two variables to calculate.
+ *
+ * PLLDIV is configured in register HCTRL3 (bits 7..4, so 0..15)
+ * PWM_PERIOD is configured in register HCTRL6
+ * Further the duty cycle can be configured in HCTRL5
+ */
+
+/*
+ * HCTRL0 configures clock or PWM input and selects the divider for
+ * the clock input.
+ */
+#define ISA1200_HCTRL0 0x30
+#define ISA1200_HCTRL0_HAP_ENABLE BIT(7)
+#define ISA1200_HCTRL0_PWM_GEN_MODE BIT(4)
+#define ISA1200_HCTRL0_PWM_INPUT_MODE BIT(3)
+#define ISA1200_HCTRL0_CLKDIV_128 128
+
+/*
+ * HCTRL1 configures the motor type and clock sourse
+ */
+#define ISA1200_HCTRL1 0x31
+#define ISA1200_HCTRL1_EXT_CLOCK BIT(7)
+#define ISA1200_HCTRL1_DAC_INVERT BIT(6)
+#define ISA1200_HCTRL1_MODE(n) (((n) & 1) << 5)
+
+/* HCTRL2 controls software reset of the chip */
+#define ISA1200_HCTRL2 0x32
+#define ISA1200_HCTRL2_SW_RESET BIT(0)
+
+/*
+ * HCTRL3 controls the PLL divisor
+ *
+ * Bits [0,1] are always set to 1 (we don't know what they are
+ * used for) and bit 4 and upward control the PLL divisor.
+ */
+#define ISA1200_HCTRL3 0x33
+#define ISA1200_HCTRL3_DEFAULT 0x03
+#define ISA1200_HCTRL3_PLLDIV(n) (((n) & 0xf) << 4)
+
+/* HCTRL4 controls the PWM frequency of external channel */
+#define ISA1200_HCTRL4 0x34
+
+/* HCTRL5 controls the PWM high duty cycle of internal channel */
+#define ISA1200_HCTRL5 0x35
+
+/* HCTRL6 controls the PWM period of internal channel */
+#define ISA1200_HCTRL6 0x36
+#define ISA1200_HCTRL6_PERIOD_SCALE 100
+
+/* The use for these registers is unknown but they exist */
+#define ISA1200_HCTRL7 0x37
+#define ISA1200_HCTRL8 0x38
+#define ISA1200_HCTRL9 0x39
+#define ISA1200_HCTRLA 0x3a
+#define ISA1200_HCTRLB 0x3b
+#define ISA1200_HCTRLC 0x3c
+#define ISA1200_HCTRLD 0x3d
+
+#define ISA1200_EN_PINS_MAX 2
+
+static const struct regulator_bulk_data isa1200_supplies[] = {
+ { .supply = "vdd" }, { .supply = "vddp" },
+};
+
+struct isa1200_config {
+ u32 ldo_voltage;
+ u32 mode;
+ u32 clkdiv;
+ u32 plldiv;
+ u32 freq;
+ u32 period;
+ u32 duty;
+};
+
+struct isa1200 {
+ struct input_dev *input;
+ struct regmap *map;
+
+ struct clk *clk;
+ struct pwm_device *pwm;
+ struct gpio_descs *enable_gpios;
+ struct regulator_bulk_data *supplies;
+
+ struct work_struct play_work;
+ struct isa1200_config config;
+
+ int level;
+ bool suspended;
+ bool active;
+};
+
+static const struct regmap_config isa1200_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = ISA1200_HCTRLD,
+};
+
+static void isa1200_start(struct isa1200 *isa)
+{
+ struct isa1200_config *config = &isa->config;
+ struct device *dev = &isa->input->dev;
+ struct pwm_state state;
+ u8 hctrl0 = 0, hctrl1 = 0;
+ DECLARE_BITMAP(values, ISA1200_EN_PINS_MAX);
+ int err;
+
+ if (!isa->active) {
+ err = regulator_bulk_enable(ARRAY_SIZE(isa1200_supplies),
+ isa->supplies);
+ if (err) {
+ dev_err(dev, "failed to enable supplies (%d)\n", err);
+ return;
+ }
+
+ err = clk_prepare_enable(isa->clk);
+ if (err) {
+ dev_err(dev, "failed to enable clock (%d)\n", err);
+ regulator_bulk_disable(ARRAY_SIZE(isa1200_supplies),
+ isa->supplies);
+ return;
+ }
+
+ bitmap_fill(values, ISA1200_EN_PINS_MAX);
+ gpiod_multi_set_value_cansleep(isa->enable_gpios, values);
+
+ usleep_range(200, 300);
+ }
+
+ regmap_write(isa->map, ISA1200_SCTRL, config->ldo_voltage);
+
+ if (isa->clk) {
+ hctrl0 = ISA1200_HCTRL0_PWM_GEN_MODE;
+ hctrl1 = ISA1200_HCTRL1_EXT_CLOCK;
+ }
+
+ if (isa->pwm) {
+ hctrl0 = ISA1200_HCTRL0_PWM_INPUT_MODE;
+ hctrl1 = 0;
+ }
+
+ hctrl0 |= __ffs(config->clkdiv / ISA1200_HCTRL0_CLKDIV_128);
+ hctrl1 |= ISA1200_HCTRL1_DAC_INVERT;
+ hctrl1 |= ISA1200_HCTRL1_MODE(config->mode);
+
+ regmap_write(isa->map, ISA1200_HCTRL0, hctrl0);
+ regmap_write(isa->map, ISA1200_HCTRL1, hctrl1);
+
+ /* Make sure to de-assert software reset */
+ regmap_write(isa->map, ISA1200_HCTRL2, 0x00);
+
+ /* PLL divisor */
+ regmap_write(isa->map, ISA1200_HCTRL3,
+ ISA1200_HCTRL3_PLLDIV(config->plldiv) |
+ ISA1200_HCTRL3_DEFAULT);
+
+ /* Frequency */
+ regmap_write(isa->map, ISA1200_HCTRL4, config->freq);
+ /* Duty cycle */
+ regmap_write(isa->map, ISA1200_HCTRL5, config->period >> 1);
+ /* Period */
+ regmap_write(isa->map, ISA1200_HCTRL6, config->period);
+
+ hctrl0 |= ISA1200_HCTRL0_HAP_ENABLE;
+ regmap_write(isa->map, ISA1200_HCTRL0, hctrl0);
+
+ if (isa->clk)
+ regmap_write(isa->map, ISA1200_HCTRL5, config->duty);
+
+ if (isa->pwm) {
+ pwm_get_state(isa->pwm, &state);
+ state.duty_cycle = config->duty;
+ state.enabled = true;
+ pwm_apply_might_sleep(isa->pwm, &state);
+ }
+
+ isa->active = true;
+}
+
+static void isa1200_stop(struct isa1200 *isa)
+{
+ struct pwm_state state;
+ DECLARE_BITMAP(values, ISA1200_EN_PINS_MAX);
+
+ if (!isa->active)
+ return;
+
+ if (isa->pwm) {
+ pwm_get_state(isa->pwm, &state);
+ state.duty_cycle = 0;
+ state.enabled = false;
+ pwm_apply_might_sleep(isa->pwm, &state);
+ }
+
+ regmap_write(isa->map, ISA1200_HCTRL0, 0x00);
+
+ bitmap_zero(values, ISA1200_EN_PINS_MAX);
+ gpiod_multi_set_value_cansleep(isa->enable_gpios, values);
+
+ clk_disable_unprepare(isa->clk);
+ regulator_bulk_disable(ARRAY_SIZE(isa1200_supplies),
+ isa->supplies);
+
+ isa->active = false;
+}
+
+static void isa1200_play_work(struct work_struct *work)
+{
+ struct isa1200 *isa = container_of(work, struct isa1200, play_work);
+
+ if (!READ_ONCE(isa->suspended)) {
+ if (isa->level)
+ isa1200_start(isa);
+ else
+ isa1200_stop(isa);
+ }
+}
+
+static int isa1200_vibrator_play_effect(struct input_dev *input, void *data,
+ struct ff_effect *effect)
+{
+ struct isa1200 *isa = input_get_drvdata(input);
+ int level;
+
+ /*
+ * TODO: we currently only support rumble.
+ * The ISA1200 can control two motors and some devices
+ * also have two motors mounted.
+ */
+ level = effect->u.rumble.strong_magnitude;
+ if (!level)
+ level = effect->u.rumble.weak_magnitude;
+
+ dev_dbg(&input->dev, "FF effect type %d level %d\n",
+ effect->type, level);
+
+ if (isa->level != level) {
+ isa->level = level;
+ if (!READ_ONCE(isa->suspended))
+ schedule_work(&isa->play_work);
+ }
+
+ return 0;
+}
+
+static void isa1200_vibrator_close(struct input_dev *input)
+{
+ struct isa1200 *isa = input_get_drvdata(input);
+
+ cancel_work_sync(&isa->play_work);
+ isa1200_stop(isa);
+ isa->level = 0;
+}
+
+static int isa1200_of_probe(struct i2c_client *client)
+{
+ struct isa1200 *isa = i2c_get_clientdata(client);
+ struct isa1200_config *config = &isa->config;
+ struct device *dev = &client->dev;
+ struct fwnode_handle *ldo_node;
+ int err;
+
+ isa->clk = devm_clk_get_optional(dev, NULL);
+ if (IS_ERR(isa->clk))
+ return dev_err_probe(dev, PTR_ERR(isa->clk),
+ "failed to get clock\n");
+
+ isa->pwm = devm_pwm_get(dev, NULL);
+ if (IS_ERR(isa->pwm)) {
+ err = PTR_ERR(isa->pwm);
+ if (err == -ENODEV || err == -EINVAL)
+ isa->pwm = NULL;
+ else
+ return dev_err_probe(dev, err, "getting PWM\n");
+ }
+
+ if (!isa->clk && !isa->pwm)
+ return dev_err_probe(dev, -EINVAL,
+ "clock or PWM are required, none were provided\n");
+
+ err = devm_regulator_bulk_get_const(dev, ARRAY_SIZE(isa1200_supplies),
+ isa1200_supplies, &isa->supplies);
+ if (err)
+ return dev_err_probe(dev, err, "failed to get supplies\n");
+
+ isa->enable_gpios = devm_gpiod_get_array_optional(dev, "control",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(isa->enable_gpios))
+ return dev_err_probe(dev, PTR_ERR(isa->enable_gpios),
+ "failed to get enable gpios\n");
+
+ if (isa->enable_gpios && isa->enable_gpios->ndescs > ISA1200_EN_PINS_MAX)
+ return dev_err_probe(dev, -EINVAL, "too many enable gpios\n");
+
+ ldo_node = device_get_named_child_node(dev, "ldo");
+ if (!ldo_node)
+ return dev_err_probe(dev, -ENODEV,
+ "failed to get embedded LDO node\n");
+
+ err = fwnode_property_read_u32(ldo_node, "regulator-min-microvolt",
+ &config->ldo_voltage);
+ fwnode_handle_put(ldo_node);
+ if (err)
+ return dev_err_probe(dev, err,
+ "failed to get ldo voltage\n");
+
+ config->ldo_voltage = clamp(config->ldo_voltage,
+ ISA1200_LDO_VOLTAGE_MIN,
+ ISA1200_LDO_VOLTAGE_MAX);
+
+ config->ldo_voltage /= ISA1200_LDO_VOLTAGE_STEP;
+ if (config->ldo_voltage < ISA1200_LDO_VOLTAGE_3V1)
+ config->ldo_voltage = config->ldo_voltage -
+ ISA1200_LDO_VOLTAGE_2V3 +
+ ISA1200_LDO_VOLTAGE_BASE;
+ else
+ config->ldo_voltage -= ISA1200_LDO_VOLTAGE_3V1;
+
+ config->mode = 0; /* LRA_MODE */
+ device_property_read_u32(dev, "imagis,mode", &config->mode);
+
+ config->clkdiv = ISA1200_HCTRL0_CLKDIV_128;
+ device_property_read_u32(dev, "imagis,clk-div", &config->clkdiv);
+ if (!config->clkdiv)
+ return dev_err_probe(dev, -EINVAL, "clk-div cannot be zero\n");
+
+ config->clkdiv = clamp(config->clkdiv, ISA1200_HCTRL0_CLKDIV_128,
+ ISA1200_HCTRL0_CLKDIV_128 << 3);
+
+ err = device_property_read_u32(dev, "imagis,pll-div", &config->plldiv);
+ if (err || !config->plldiv)
+ config->plldiv = 1;
+
+ config->period = 0;
+ config->freq = 0;
+ config->duty = 0;
+
+ if (isa->clk) {
+ err = device_property_read_u32(dev, "imagis,period-ns",
+ &config->period);
+ if (err)
+ return dev_err_probe(dev, err,
+ "failed to get period\n");
+
+ /*
+ * TODO: The scale value is arbitrary, but it fits observations
+ * quite well, and the exact conversion method is unknown.
+ * The period property value returned above is the HCTRL6
+ * register value set by the vendor code, multiplied by 100.
+ */
+ config->period /= ISA1200_HCTRL6_PERIOD_SCALE;
+ config->duty = config->period >> 1;
+ }
+
+ if (isa->pwm) {
+ struct pwm_state state;
+
+ pwm_init_state(isa->pwm, &state);
+
+ if (!state.period)
+ return dev_err_probe(dev, -EINVAL,
+ "PWM period cannot be zero\n");
+
+ config->freq = div64_u64(NANO, state.period * config->clkdiv);
+ config->duty = state.period >> 1;
+
+ err = pwm_apply_might_sleep(isa->pwm, &state);
+ if (err)
+ return dev_err_probe(dev, err,
+ "failed to apply initial PWM state\n");
+ }
+
+ /*
+ * TODO: If device is using a clock, this property should return the
+ * value written to the HCTRL5 register by downstrem code. It likely
+ * needs to be converted into a meaningful duty cycle value, though
+ * unfortunately the exact conversion mechanism is unknown. If the
+ * device uses PWM, this property will return the correct duty cycle
+ * in nanoseconds.
+ */
+ device_property_read_u32(dev, "imagis,duty-cycle-ns", &config->duty);
+
+ return 0;
+}
+
+static int isa1200_probe(struct i2c_client *client)
+{
+ struct isa1200 *isa;
+ struct device *dev = &client->dev;
+ int err;
+
+ isa = devm_kzalloc(dev, sizeof(*isa), GFP_KERNEL);
+ if (!isa)
+ return -ENOMEM;
+
+ isa->input = devm_input_allocate_device(dev);
+ if (!isa->input)
+ return -ENOMEM;
+
+ i2c_set_clientdata(client, isa);
+
+ err = isa1200_of_probe(client);
+ if (err)
+ return err;
+
+ isa->map = devm_regmap_init_i2c(client, &isa1200_regmap_config);
+ if (IS_ERR(isa->map))
+ return dev_err_probe(dev, PTR_ERR(isa->map),
+ "failed to initialize register map\n");
+
+ INIT_WORK(&isa->play_work, isa1200_play_work);
+
+ isa->input->name = "isa1200-haptic";
+ isa->input->id.bustype = BUS_I2C;
+ isa->input->close = isa1200_vibrator_close;
+
+ isa->active = false;
+
+ input_set_drvdata(isa->input, isa);
+
+ /* TODO: this hardware can likely support more than rumble */
+ input_set_capability(isa->input, EV_FF, FF_RUMBLE);
+
+ err = input_ff_create_memless(isa->input, NULL,
+ isa1200_vibrator_play_effect);
+ if (err)
+ return dev_err_probe(dev, err, "failed to create FF dev\n");
+
+ err = input_register_device(isa->input);
+ if (err)
+ return dev_err_probe(dev, err, "failed to register input dev\n");
+
+ return 0;
+}
+
+static int isa1200_suspend(struct device *dev)
+{
+ struct isa1200 *isa = dev_get_drvdata(dev);
+
+ guard(mutex)(&isa->input->mutex);
+
+ if (input_device_enabled(isa->input)) {
+ WRITE_ONCE(isa->suspended, true);
+ cancel_work_sync(&isa->play_work);
+ isa1200_stop(isa);
+ }
+
+ return 0;
+}
+
+static int isa1200_resume(struct device *dev)
+{
+ struct isa1200 *isa = dev_get_drvdata(dev);
+
+ guard(mutex)(&isa->input->mutex);
+
+ if (input_device_enabled(isa->input)) {
+ WRITE_ONCE(isa->suspended, false);
+ if (isa->level)
+ schedule_work(&isa->play_work);
+ }
+
+ return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(isa1200_pm_ops, isa1200_suspend, isa1200_resume);
+
+static const struct of_device_id isa1200_of_match[] = {
+ { .compatible = "imagis,isa1200" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, isa1200_of_match);
+
+static struct i2c_driver isa1200_i2c_driver = {
+ .driver = {
+ .name = "isa1200",
+ .of_match_table = isa1200_of_match,
+ .pm = pm_sleep_ptr(&isa1200_pm_ops),
+ },
+ .probe = isa1200_probe,
+};
+module_i2c_driver(isa1200_i2c_driver);
+
+MODULE_AUTHOR("Linus Walleij <linusw@kernel.org>");
+MODULE_AUTHOR("Svyatoslav Ryhel <clamor95@gmail.com>");
+MODULE_DESCRIPTION("Imagis ISA1200 haptic feedback unit");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -102,7 +102,8 @@ struct elan_transport_ops {
int (*prepare_fw_update)(struct i2c_client *client, u16 ic_type,
u8 iap_version, u16 fw_page_size);
int (*write_fw_block)(struct i2c_client *client, u16 fw_page_size,
- const u8 *page, u16 checksum, int idx);
+ u16 fw_page_delay, const u8 *page, u16 checksum,
+ int idx);
int (*finish_fw_update)(struct i2c_client *client,
struct completion *reset_done);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -16,27 +16,27 @@
*/
#include <linux/acpi.h>
+#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
#include <linux/init.h>
+#include <linux/input.h>
#include <linux/input/mt.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/string_choices.h>
-#include <linux/input.h>
-#include <linux/uaccess.h>
#include <linux/jiffies.h>
-#include <linux/completion.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/pm_wakeirq.h>
#include <linux/property.h>
#include <linux/regulator/consumer.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/string_choices.h>
+#include <linux/uaccess.h>
#include <linux/unaligned.h>
#include "elan_i2c.h"
@@ -86,6 +86,7 @@ struct elan_tp_data {
u16 ic_type;
u16 fw_validpage_count;
u16 fw_page_size;
+ u16 fw_page_delay;
u32 fw_signature_address;
u8 min_baseline;
@@ -127,8 +128,11 @@ static u32 elan_i2c_lookup_quirks(u16 ic_type, u16 product_id)
}
static int elan_get_fwinfo(u16 ic_type, u8 iap_version, u16 *validpage_count,
- u32 *signature_address, u16 *page_size)
+ u32 *signature_address, u16 *page_size,
+ u16 *page_delay)
{
+ *page_delay = 30;
+
switch (ic_type) {
case 0x00:
case 0x06:
@@ -164,6 +168,7 @@ static int elan_get_fwinfo(u16 ic_type, u8 iap_version, u16 *validpage_count,
break;
case 0x19:
*validpage_count = 2032;
+ *page_delay = 10;
break;
default:
/* unknown ic type clear value */
@@ -179,6 +184,7 @@ static int elan_get_fwinfo(u16 ic_type, u8 iap_version, u16 *validpage_count,
if ((ic_type == 0x14 || ic_type == 0x15) && iap_version >= 2) {
*validpage_count /= 8;
*page_size = ETP_FW_PAGE_SIZE_512;
+ *page_delay = 50;
} else if (ic_type >= 0x0D && iap_version >= 1) {
*validpage_count /= 2;
*page_size = ETP_FW_PAGE_SIZE_128;
@@ -368,7 +374,8 @@ static int elan_query_device_info(struct elan_tp_data *data)
error = elan_get_fwinfo(data->ic_type, data->iap_version,
&data->fw_validpage_count,
&data->fw_signature_address,
- &data->fw_page_size);
+ &data->fw_page_size,
+ &data->fw_page_delay);
if (error)
dev_warn(&data->client->dev,
"unexpected iap version %#04x (ic type: %#04x), firmware update will not work\n",
@@ -479,14 +486,16 @@ static int elan_query_device_parameters(struct elan_tp_data *data)
**********************************************************
*/
static int elan_write_fw_block(struct elan_tp_data *data, u16 page_size,
- const u8 *page, u16 checksum, int idx)
+ u16 page_delay, const u8 *page, u16 checksum,
+ int idx)
{
int retry = ETP_RETRY_COUNT;
int error;
do {
error = data->ops->write_fw_block(data->client, page_size,
- page, checksum, idx);
+ page_delay, page, checksum,
+ idx);
if (!error)
return 0;
@@ -525,7 +534,8 @@ static int __elan_update_firmware(struct elan_tp_data *data,
checksum += ((page[j + 1] << 8) | page[j]);
error = elan_write_fw_block(data, data->fw_page_size,
- page, checksum, i);
+ data->fw_page_delay, page, checksum,
+ i);
if (error) {
dev_err(dev, "write page %d fail: %d\n", i, error);
return error;
diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -625,7 +625,8 @@ static int elan_i2c_prepare_fw_update(struct i2c_client *client, u16 ic_type,
}
static int elan_i2c_write_fw_block(struct i2c_client *client, u16 fw_page_size,
- const u8 *page, u16 checksum, int idx)
+ u16 fw_page_delay, const u8 *page, u16 checksum,
+ int idx)
{
struct device *dev = &client->dev;
u8 val[3];
@@ -650,7 +651,7 @@ static int elan_i2c_write_fw_block(struct i2c_client *client, u16 fw_page_size,
}
/* Wait for F/W to update one page ROM data. */
- msleep(fw_page_size == ETP_FW_PAGE_SIZE_512 ? 50 : 35);
+ msleep(fw_page_delay);
error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);
if (error) {
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -416,7 +416,8 @@ static int elan_smbus_prepare_fw_update(struct i2c_client *client, u16 ic_type,
static int elan_smbus_write_fw_block(struct i2c_client *client, u16 fw_page_size,
- const u8 *page, u16 checksum, int idx)
+ u16 fw_page_delay, const u8 *page, u16 checksum,
+ int idx)
{
struct device *dev = &client->dev;
int error;
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
--- a/drivers/input/mouse/focaltech.c
+++ b/drivers/input/mouse/focaltech.c
@@ -78,8 +78,8 @@ struct focaltech_finger_state {
* Absolute position (from the bottom left corner) of the
* finger.
*/
- unsigned int x;
- unsigned int y;
+ int x;
+ int y;
};
/*
@@ -108,7 +108,7 @@ struct focaltech_hw_state {
};
struct focaltech_data {
- unsigned int x_max, y_max;
+ int x_max, y_max;
struct focaltech_hw_state state;
};
@@ -126,17 +126,16 @@ static void focaltech_report_state(struct psmouse *psmouse)
input_mt_slot(dev, i);
input_mt_report_slot_state(dev, MT_TOOL_FINGER, active);
if (active) {
- unsigned int clamped_x, clamped_y;
/*
* The touchpad might report invalid data, so we clamp
* the resulting values so that we do not confuse
- * userspace.
+ * userspace or accumulate coordinate wind-up.
*/
- clamped_x = clamp(finger->x, 0U, priv->x_max);
- clamped_y = clamp(finger->y, 0U, priv->y_max);
- input_report_abs(dev, ABS_MT_POSITION_X, clamped_x);
+ finger->x = clamp(finger->x, 0, priv->x_max);
+ finger->y = clamp(finger->y, 0, priv->y_max);
+ input_report_abs(dev, ABS_MT_POSITION_X, finger->x);
input_report_abs(dev, ABS_MT_POSITION_Y,
- priv->y_max - clamped_y);
+ priv->y_max - finger->y);
input_report_abs(dev, ABS_TOOL_WIDTH, state->width);
}
}
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -256,9 +256,8 @@ static inline void __psmouse_set_state(struct psmouse *psmouse, enum psmouse_sta
*/
void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
{
- serio_pause_rx(psmouse->ps2dev.serio);
+ guard(serio_pause_rx)(psmouse->ps2dev.serio);
__psmouse_set_state(psmouse, new_state);
- serio_continue_rx(psmouse->ps2dev.serio);
}
/*
@@ -267,7 +266,15 @@ void psmouse_set_state(struct psmouse *psmouse, enum psmouse_state new_state)
*/
static int psmouse_handle_byte(struct psmouse *psmouse)
{
- psmouse_ret_t rc = psmouse->protocol_handler(psmouse);
+ psmouse_ret_t rc;
+
+ /* protocol_handler is NULL when device is being disconnected */
+ if (unlikely(!psmouse->protocol_handler)) {
+ psmouse->pktcnt = 0;
+ return 0;
+ }
+
+ rc = psmouse->protocol_handler(psmouse);
switch (rc) {
case PSMOUSE_BAD_DATA:
@@ -484,13 +491,16 @@ static int psmouse_poll(struct psmouse *psmouse)
PSMOUSE_CMD_POLL | (psmouse->pktsize << 8));
}
-static bool psmouse_check_pnp_id(const char *id, const char * const ids[])
+static bool psmouse_check_pnp_id(const char *p, const char * const ids[])
{
- int i;
+ const char * const *id;
+ size_t len;
- for (i = 0; ids[i]; i++)
- if (!strcasecmp(id, ids[i]))
+ for (id = ids; *id; id++) {
+ len = strlen(*id);
+ if (!strncasecmp(p, *id, len) && (p[len] == ' ' || p[len] == '\0'))
return true;
+ }
return false;
}
@@ -501,28 +511,26 @@ static bool psmouse_check_pnp_id(const char *id, const char * const ids[])
bool psmouse_matches_pnp_id(struct psmouse *psmouse, const char * const ids[])
{
struct serio *serio = psmouse->ps2dev.serio;
- char *p, *fw_id_copy, *save_ptr;
- bool found = false;
+ const char *p = serio->firmware_id;
- if (strncmp(serio->firmware_id, "PNP: ", 5))
+ if (!strstarts(p, "PNP: "))
return false;
- fw_id_copy = kstrndup(&serio->firmware_id[5],
- sizeof(serio->firmware_id) - 5,
- GFP_KERNEL);
- if (!fw_id_copy)
- return false;
+ p += 5;
+ while (*p) {
+ p = skip_spaces(p);
+ if (!*p)
+ break;
- save_ptr = fw_id_copy;
- while ((p = strsep(&fw_id_copy, " ")) != NULL) {
- if (psmouse_check_pnp_id(p, ids)) {
- found = true;
+ if (psmouse_check_pnp_id(p, ids))
+ return true;
+
+ p = strchr(p, ' ');
+ if (!p)
break;
- }
}
- kfree(save_ptr);
- return found;
+ return false;
}
/*
@@ -1311,10 +1319,10 @@ static void psmouse_resync(struct work_struct *work)
bool failed = false, enabled = false;
int i;
- mutex_lock(&psmouse_mutex);
+ guard(mutex)(&psmouse_mutex);
if (psmouse->state != PSMOUSE_RESYNCING)
- goto out;
+ return;
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
parent = psmouse_from_serio(serio->parent);
@@ -1392,8 +1400,6 @@ static void psmouse_resync(struct work_struct *work)
if (parent)
psmouse_activate(parent);
- out:
- mutex_unlock(&psmouse_mutex);
}
/*
@@ -1404,7 +1410,7 @@ static void psmouse_cleanup(struct serio *serio)
struct psmouse *psmouse = psmouse_from_serio(serio);
struct psmouse *parent = NULL;
- mutex_lock(&psmouse_mutex);
+ guard(mutex)(&psmouse_mutex);
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
parent = psmouse_from_serio(serio->parent);
@@ -1440,8 +1446,6 @@ static void psmouse_cleanup(struct serio *serio)
psmouse_activate(parent);
}
-
- mutex_unlock(&psmouse_mutex);
}
/*
@@ -1452,20 +1456,20 @@ static void psmouse_disconnect(struct serio *serio)
struct psmouse *psmouse = psmouse_from_serio(serio);
struct psmouse *parent = NULL;
- mutex_lock(&psmouse_mutex);
+ disable_work_sync(&psmouse->resync_work);
+
+ guard(mutex)(&psmouse_mutex);
psmouse_set_state(psmouse, PSMOUSE_CMD_MODE);
- /* make sure we don't have a resync in progress */
- mutex_unlock(&psmouse_mutex);
- disable_work_sync(&psmouse->resync_work);
- mutex_lock(&psmouse_mutex);
-
if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) {
parent = psmouse_from_serio(serio->parent);
psmouse_deactivate(parent);
}
+ scoped_guard(serio_pause_rx, serio)
+ psmouse->protocol_handler = NULL;
+
if (psmouse->disconnect)
psmouse->disconnect(psmouse);
@@ -1484,8 +1488,6 @@ static void psmouse_disconnect(struct serio *serio)
if (parent)
psmouse_activate(parent);
-
- mutex_unlock(&psmouse_mutex);
}
static int psmouse_switch_protocol(struct psmouse *psmouse,
@@ -1654,14 +1656,12 @@ static int __psmouse_reconnect(struct serio *serio, bool fast_reconnect)
enum psmouse_type type;
int rc = -1;
- mutex_lock(&psmouse_mutex);
+ lockdep_assert_held(&psmouse_mutex);
if (fast_reconnect) {
reconnect_handler = psmouse->fast_reconnect;
- if (!reconnect_handler) {
- rc = -ENOENT;
- goto out_unlock;
- }
+ if (!reconnect_handler)
+ return -ENOENT;
} else {
reconnect_handler = psmouse->reconnect;
}
@@ -1713,18 +1713,20 @@ static int __psmouse_reconnect(struct serio *serio, bool fast_reconnect)
if (parent)
psmouse_activate(parent);
-out_unlock:
- mutex_unlock(&psmouse_mutex);
return rc;
}
static int psmouse_reconnect(struct serio *serio)
{
+ guard(mutex)(&psmouse_mutex);
+
return __psmouse_reconnect(serio, false);
}
static int psmouse_fast_reconnect(struct serio *serio)
{
+ guard(mutex)(&psmouse_mutex);
+
return __psmouse_reconnect(serio, true);
}
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -164,6 +164,7 @@ static const char * const topbuttonpad_pnp_ids[] = {
#ifdef CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS
static const char * const smbus_pnp_ids[] = {
/* all of the topbuttonpad_pnp_ids are valid, we just add some extras */
+ "DLL0597", /* Dell Inspiron 3521 */
"DLL060d", /* Dell Precision M3800 */
"LEN0048", /* X1 Carbon 3 */
"LEN0046", /* X250 */
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -261,7 +261,7 @@ static s32 synaptics_i2c_reg_set(struct i2c_client *client, u16 reg, u8 val)
if (error)
return error;
- return error;
+ return 0;
}
static s32 synaptics_i2c_word_get(struct i2c_client *client, u16 reg)
diff --git a/drivers/input/rmi4/rmi_f12.c b/drivers/input/rmi4/rmi_f12.c
--- a/drivers/input/rmi4/rmi_f12.c
+++ b/drivers/input/rmi4/rmi_f12.c
@@ -155,6 +155,10 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
offset += 4;
}
+ /* When platform data are provided, we're done */
+ if (sensor->x_mm && sensor->y_mm)
+ return 0;
+
/*
* Use the Query DPM feature when the resolution query register
* exists.
@@ -171,8 +175,10 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
}
dpm_resolution = buf[0];
- sensor->x_mm = sensor->max_x / dpm_resolution;
- sensor->y_mm = sensor->max_y / dpm_resolution;
+ if (!sensor->x_mm)
+ sensor->x_mm = sensor->max_x / dpm_resolution;
+ if (!sensor->y_mm)
+ sensor->y_mm = sensor->max_y / dpm_resolution;
} else {
if (rmi_register_desc_has_subpacket(item, 3)) {
rx_receivers = buf[offset];
@@ -184,8 +190,10 @@ static int rmi_f12_read_sensor_tuning(struct f12_data *f12)
if (rmi_register_desc_has_subpacket(item, 4))
offset += 1;
- sensor->x_mm = (pitch_x * rx_receivers) >> 12;
- sensor->y_mm = (pitch_y * tx_receivers) >> 12;
+ if (!sensor->x_mm)
+ sensor->x_mm = (pitch_x * rx_receivers) >> 12;
+ if (!sensor->y_mm)
+ sensor->y_mm = (pitch_y * tx_receivers) >> 12;
}
rmi_dbg(RMI_DEBUG_FN, &fn->dev, "%s: x_mm: %d y_mm: %d\n", __func__,
diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c
--- a/drivers/input/rmi4/rmi_smbus.c
+++ b/drivers/input/rmi4/rmi_smbus.c
@@ -177,13 +177,8 @@ static int smb_block_read(struct rmi_transport_dev *xport,
struct rmi_smb_xport *rmi_smb =
container_of(xport, struct rmi_smb_xport, xport);
struct i2c_client *client = rmi_smb->client;
- int retval;
- retval = i2c_smbus_read_block_data(client, commandcode, buf);
- if (retval < 0)
- return retval;
-
- return retval;
+ return i2c_smbus_read_block_data(client, commandcode, buf);
}
static int rmi_smb_read_block(struct rmi_transport_dev *xport, u16 rmiaddr,
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -106,6 +106,33 @@ config SERIO_GSCPS2
To compile this driver as a module, choose M here: the
module will be called gscps2.
+config SERIO_GSCPS2_RDI_KEYCODES
+ bool "Use PrecisionBook keyboard scancodes"
+ depends on SERIO_GSCPS2
+ default n
+ help
+ If you have an RDI PrecisionBook, say Y here if you want to use its
+ built-in keyboard (as opposed to an external keyboard).
+
+ The PrecisionBook has five keys that conflict with those used by most
+ AT and PS/2 keyboards. These are as follows:
+
+ PrecisionBook Standard AT or PS/2
+
+ F1 F12
+ Left Ctrl Left Alt
+ Caps Lock Left Ctrl
+ Right Ctrl Caps Lock
+ Left 102nd key (the key to the right of Left Shift)
+
+ If you say N here, and use the PrecisionBook keyboard, then each key
+ in the left-hand column will be interpreted as the corresponding key
+ in the right-hand column.
+
+ If you say Y here, and use an external keyboard, then each key in the
+ right-hand column will be interpreted as the key shown in the
+ left-hand column.
+
config HP_SDC
tristate "HP System Device Controller i8042 Support"
depends on (GSC || HP300) && SERIO
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -22,18 +22,15 @@
* was usable/enabled ?)
*/
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/serio.h>
+#include <linux/delay.h>
#include <linux/input.h>
#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/delay.h>
+#include <linux/io.h>
#include <linux/ioport.h>
+#include <linux/property.h>
+#include <linux/serio.h>
#include <asm/irq.h>
-#include <asm/io.h>
#include <asm/parisc-device.h>
MODULE_AUTHOR("Laurent Canet <canetl@esiee.fr>, Thibaut Varene <varenet@parisc-linux.org>, Helge Deller <deller@gmx.de>");
@@ -80,6 +77,116 @@ MODULE_LICENSE("GPL");
#define GSC_ID_KEYBOARD 0 /* device ID values */
#define GSC_ID_MOUSE 1
+#ifndef CONFIG_SERIO_GSCPS2_RDI_KEYCODES
+# define CONFLICT(x, y) x
+#else
+# define CONFLICT(x, y) y
+#endif
+
+/*
+ * Sadly RDI (Tadpole) decided to ship a different keyboard layout
+ * than HP for their PS/2 laptop keyboard which leads to conflicting
+ * keycodes between a normal HP PS/2 keyboard and a RDI PrecisionBook.
+ * HP: RDI:
+ */
+#define C_07 CONFLICT(KEY_F12, KEY_F1)
+#define C_11 CONFLICT(KEY_LEFTALT, KEY_LEFTCTRL)
+#define C_14 CONFLICT(KEY_LEFTCTRL, KEY_CAPSLOCK)
+#define C_58 CONFLICT(KEY_CAPSLOCK, KEY_RIGHTCTRL)
+#define C_61 CONFLICT(KEY_102ND, KEY_LEFT)
+
+/*
+ * Special keycode value recognized by atkbd (ATKBD_KEY_NULL) to silently
+ * discard scancodes without generating input events or "unknown key" warnings.
+ */
+#define KEY_NULL 255
+
+#define KEYMAP_ENTRY(scancode, keycode) (((scancode) << 16) | (keycode))
+
+static const u32 gscps2_keymap[] = {
+ KEYMAP_ENTRY(0x01, KEY_F9), KEYMAP_ENTRY(0x03, KEY_F5),
+ KEYMAP_ENTRY(0x04, KEY_F3), KEYMAP_ENTRY(0x05, KEY_F1),
+ KEYMAP_ENTRY(0x06, KEY_F2), KEYMAP_ENTRY(0x07, C_07),
+ KEYMAP_ENTRY(0x08, KEY_ESC), KEYMAP_ENTRY(0x09, KEY_F10),
+ KEYMAP_ENTRY(0x0a, KEY_F8), KEYMAP_ENTRY(0x0b, KEY_F6),
+ KEYMAP_ENTRY(0x0c, KEY_F4), KEYMAP_ENTRY(0x0d, KEY_TAB),
+ KEYMAP_ENTRY(0x0e, KEY_GRAVE), KEYMAP_ENTRY(0x0f, KEY_F2),
+ KEYMAP_ENTRY(0x11, C_11), KEYMAP_ENTRY(0x12, KEY_LEFTSHIFT),
+ KEYMAP_ENTRY(0x14, C_14), KEYMAP_ENTRY(0x15, KEY_Q),
+ KEYMAP_ENTRY(0x16, KEY_1), KEYMAP_ENTRY(0x17, KEY_F3),
+ KEYMAP_ENTRY(0x19, KEY_LEFTALT), KEYMAP_ENTRY(0x1a, KEY_Z),
+ KEYMAP_ENTRY(0x1b, KEY_S), KEYMAP_ENTRY(0x1c, KEY_A),
+ KEYMAP_ENTRY(0x1d, KEY_W), KEYMAP_ENTRY(0x1e, KEY_2),
+ KEYMAP_ENTRY(0x1f, KEY_F4), KEYMAP_ENTRY(0x21, KEY_C),
+ KEYMAP_ENTRY(0x22, KEY_X), KEYMAP_ENTRY(0x23, KEY_D),
+ KEYMAP_ENTRY(0x24, KEY_E), KEYMAP_ENTRY(0x25, KEY_4),
+ KEYMAP_ENTRY(0x26, KEY_3), KEYMAP_ENTRY(0x27, KEY_F5),
+ KEYMAP_ENTRY(0x29, KEY_SPACE), KEYMAP_ENTRY(0x2a, KEY_V),
+ KEYMAP_ENTRY(0x2b, KEY_F), KEYMAP_ENTRY(0x2c, KEY_T),
+ KEYMAP_ENTRY(0x2d, KEY_R), KEYMAP_ENTRY(0x2e, KEY_5),
+ KEYMAP_ENTRY(0x2f, KEY_F6), KEYMAP_ENTRY(0x31, KEY_N),
+ KEYMAP_ENTRY(0x32, KEY_B), KEYMAP_ENTRY(0x33, KEY_H),
+ KEYMAP_ENTRY(0x34, KEY_G), KEYMAP_ENTRY(0x35, KEY_Y),
+ KEYMAP_ENTRY(0x36, KEY_6), KEYMAP_ENTRY(0x37, KEY_F7),
+ KEYMAP_ENTRY(0x39, KEY_RIGHTALT), KEYMAP_ENTRY(0x3a, KEY_M),
+ KEYMAP_ENTRY(0x3b, KEY_J), KEYMAP_ENTRY(0x3c, KEY_U),
+ KEYMAP_ENTRY(0x3d, KEY_7), KEYMAP_ENTRY(0x3e, KEY_8),
+ KEYMAP_ENTRY(0x3f, KEY_F8), KEYMAP_ENTRY(0x41, KEY_COMMA),
+ KEYMAP_ENTRY(0x42, KEY_K), KEYMAP_ENTRY(0x43, KEY_I),
+ KEYMAP_ENTRY(0x44, KEY_O), KEYMAP_ENTRY(0x45, KEY_0),
+ KEYMAP_ENTRY(0x46, KEY_9), KEYMAP_ENTRY(0x47, KEY_F9),
+ KEYMAP_ENTRY(0x49, KEY_DOT), KEYMAP_ENTRY(0x4a, KEY_SLASH),
+ KEYMAP_ENTRY(0x4b, KEY_L), KEYMAP_ENTRY(0x4c, KEY_SEMICOLON),
+ KEYMAP_ENTRY(0x4d, KEY_P), KEYMAP_ENTRY(0x4e, KEY_MINUS),
+ KEYMAP_ENTRY(0x4f, KEY_F10), KEYMAP_ENTRY(0x52, KEY_APOSTROPHE),
+ KEYMAP_ENTRY(0x54, KEY_LEFTBRACE), KEYMAP_ENTRY(0x55, KEY_EQUAL),
+ KEYMAP_ENTRY(0x56, KEY_F11), KEYMAP_ENTRY(0x57, KEY_SYSRQ),
+ KEYMAP_ENTRY(0x58, C_58), KEYMAP_ENTRY(0x59, KEY_RIGHTSHIFT),
+ KEYMAP_ENTRY(0x5a, KEY_ENTER), KEYMAP_ENTRY(0x5b, KEY_RIGHTBRACE),
+ KEYMAP_ENTRY(0x5c, KEY_BACKSLASH), KEYMAP_ENTRY(0x5d, KEY_BACKSLASH),
+ KEYMAP_ENTRY(0x5e, KEY_F12), KEYMAP_ENTRY(0x5f, KEY_SCROLLLOCK),
+ KEYMAP_ENTRY(0x60, KEY_DOWN), KEYMAP_ENTRY(0x61, C_61),
+ KEYMAP_ENTRY(0x62, KEY_PAUSE), KEYMAP_ENTRY(0x63, KEY_UP),
+ KEYMAP_ENTRY(0x64, KEY_DELETE), KEYMAP_ENTRY(0x65, KEY_END),
+ KEYMAP_ENTRY(0x66, KEY_BACKSPACE), KEYMAP_ENTRY(0x67, KEY_INSERT),
+ KEYMAP_ENTRY(0x69, KEY_KP1), KEYMAP_ENTRY(0x6a, KEY_RIGHT),
+ KEYMAP_ENTRY(0x6b, KEY_KP4), KEYMAP_ENTRY(0x6c, KEY_KP7),
+ KEYMAP_ENTRY(0x6d, KEY_PAGEDOWN), KEYMAP_ENTRY(0x6e, KEY_HOME),
+ KEYMAP_ENTRY(0x6f, KEY_PAGEUP), KEYMAP_ENTRY(0x70, KEY_KP0),
+ KEYMAP_ENTRY(0x71, KEY_KPDOT), KEYMAP_ENTRY(0x72, KEY_KP2),
+ KEYMAP_ENTRY(0x73, KEY_KP5), KEYMAP_ENTRY(0x74, KEY_KP6),
+ KEYMAP_ENTRY(0x75, KEY_KP8), KEYMAP_ENTRY(0x76, KEY_ESC),
+ KEYMAP_ENTRY(0x77, KEY_NUMLOCK), KEYMAP_ENTRY(0x78, KEY_F11),
+ KEYMAP_ENTRY(0x79, KEY_KPPLUS), KEYMAP_ENTRY(0x7a, KEY_KP3),
+ KEYMAP_ENTRY(0x7b, KEY_KPMINUS), KEYMAP_ENTRY(0x7c, KEY_KPASTERISK),
+ KEYMAP_ENTRY(0x7d, KEY_KP9), KEYMAP_ENTRY(0x7e, KEY_SCROLLLOCK),
+ KEYMAP_ENTRY(0x7f, KEY_102ND), KEYMAP_ENTRY(0x91, KEY_RIGHTALT),
+ KEYMAP_ENTRY(0x92, KEY_NULL), KEYMAP_ENTRY(0x94, KEY_RIGHTCTRL),
+ KEYMAP_ENTRY(0x9d, KEY_CAPSLOCK), KEYMAP_ENTRY(0x9f, KEY_LEFTMETA),
+ KEYMAP_ENTRY(0xa7, KEY_RIGHTMETA), KEYMAP_ENTRY(0xaf, KEY_COMPOSE),
+ KEYMAP_ENTRY(0xca, KEY_KPSLASH), KEYMAP_ENTRY(0xda, KEY_KPENTER),
+ KEYMAP_ENTRY(0xe9, KEY_END), KEYMAP_ENTRY(0xeb, KEY_LEFT),
+ KEYMAP_ENTRY(0xec, KEY_HOME), KEYMAP_ENTRY(0xf0, KEY_INSERT),
+ KEYMAP_ENTRY(0xf1, KEY_DELETE), KEYMAP_ENTRY(0xf2, KEY_DOWN),
+ KEYMAP_ENTRY(0xf4, KEY_RIGHT), KEYMAP_ENTRY(0xf5, KEY_UP),
+ KEYMAP_ENTRY(0xf7, KEY_PAUSE), KEYMAP_ENTRY(0xfa, KEY_PAGEDOWN),
+ KEYMAP_ENTRY(0xfc, KEY_SYSRQ), KEYMAP_ENTRY(0xfd, KEY_PAGEUP),
+
+ /* Escaped keycodes */
+ KEYMAP_ENTRY(0x103, KEY_F7), KEYMAP_ENTRY(0x10b, KEY_LEFTMETA),
+ KEYMAP_ENTRY(0x10c, KEY_RIGHTMETA), KEYMAP_ENTRY(0x111, KEY_RIGHTALT),
+ KEYMAP_ENTRY(0x114, KEY_RIGHTCTRL),
+};
+
+static const struct property_entry gscps2_props[] = {
+ PROPERTY_ENTRY_U32_ARRAY("linux,keymap", gscps2_keymap),
+ { }
+};
+
+static const struct software_node gscps2_keyboard_node = {
+ .name = "gscps2-keyboard",
+ .properties = gscps2_props,
+};
static irqreturn_t gscps2_interrupt(int irq, void *dev);
@@ -398,6 +505,17 @@ static int __init gscps2_probe(struct parisc_device *dev)
goto fail;
#endif
+ if (ps2port->id == GSC_ID_KEYBOARD) {
+ ret = device_add_software_node(&serio->dev,
+ &gscps2_keyboard_node);
+ if (ret) {
+ dev_err(&dev->dev,
+ "failed to add software node for keyboard: %d\n",
+ ret);
+ goto fail;
+ }
+ }
+
pr_info("serio: %s port at 0x%08lx irq %d @ %s\n",
ps2port->port->name,
hpa,
@@ -411,11 +529,16 @@ static int __init gscps2_probe(struct parisc_device *dev)
return 0;
fail:
+ if (ps2port->id == GSC_ID_KEYBOARD)
+ device_remove_software_node(&serio->dev);
+
free_irq(dev->irq, ps2port);
fail_miserably:
iounmap(ps2port->addr);
+#if 0
release_mem_region(dev->hpa.start, GSC_STATUS + 4);
+#endif
fail_nomem:
kfree(ps2port);
@@ -434,6 +557,9 @@ static void __exit gscps2_remove(struct parisc_device *dev)
{
struct gscps2port *ps2port = dev_get_drvdata(&dev->dev);
+ if (ps2port->id == GSC_ID_KEYBOARD)
+ device_remove_software_node(&ps2port->port->dev);
+
serio_unregister_port(ps2port->port);
free_irq(dev->irq, ps2port);
gscps2_flush(ps2port);
@@ -465,16 +591,25 @@ static struct parisc_driver parisc_ps2_driver __refdata = {
static int __init gscps2_init(void)
{
- register_parisc_driver(&parisc_ps2_driver);
- return 0;
+ int error;
+
+ error = software_node_register(&gscps2_keyboard_node);
+ if (error)
+ return error;
+
+ error = register_parisc_driver(&parisc_ps2_driver);
+ if (error)
+ software_node_unregister(&gscps2_keyboard_node);
+
+ return error;
}
static void __exit gscps2_exit(void)
{
unregister_parisc_driver(&parisc_ps2_driver);
+ software_node_unregister(&gscps2_keyboard_node);
}
module_init(gscps2_init);
module_exit(gscps2_exit);
-
diff --git a/drivers/input/serio/i8042-acpipnpio.h b/drivers/input/serio/i8042-acpipnpio.h
--- a/drivers/input/serio/i8042-acpipnpio.h
+++ b/drivers/input/serio/i8042-acpipnpio.h
@@ -3,6 +3,7 @@
#define _I8042_ACPIPNPIO_H
#include <linux/acpi.h>
+#include <linux/seq_buf.h>
#ifdef CONFIG_X86
#include <asm/x86_init.h>
@@ -1486,17 +1487,21 @@ static char i8042_pnp_aux_name[32];
static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
{
- strscpy(dst, "PNP:", dst_size);
+ struct seq_buf sb;
+
+ seq_buf_init(&sb, dst, dst_size);
+ seq_buf_printf(&sb, "PNP:");
while (id) {
- strlcat(dst, " ", dst_size);
- strlcat(dst, id->id, dst_size);
+ seq_buf_printf(&sb, " %s", id->id);
id = id->next;
}
}
static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
{
+ const char *name = pnp_dev_name(dev);
+
if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
i8042_pnp_data_reg = pnp_port_start(dev,0);
@@ -1506,11 +1511,8 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *
if (pnp_irq_valid(dev,0))
i8042_pnp_kbd_irq = pnp_irq(dev, 0);
- strscpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
- if (strlen(pnp_dev_name(dev))) {
- strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
- strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
- }
+ scnprintf(i8042_pnp_kbd_name, sizeof(i8042_pnp_kbd_name), "%s%s%s",
+ did->id, strlen(name) ? ":" : "", name);
i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
sizeof(i8042_kbd_firmware_id));
i8042_kbd_fwnode = dev_fwnode(&dev->dev);
@@ -1524,6 +1526,8 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *
static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
{
+ const char *name = pnp_dev_name(dev);
+
if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
i8042_pnp_data_reg = pnp_port_start(dev,0);
@@ -1533,11 +1537,8 @@ static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *
if (pnp_irq_valid(dev, 0))
i8042_pnp_aux_irq = pnp_irq(dev, 0);
- strscpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
- if (strlen(pnp_dev_name(dev))) {
- strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
- strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
- }
+ scnprintf(i8042_pnp_aux_name, sizeof(i8042_pnp_aux_name), "%s%s%s",
+ did->id, strlen(name) ? ":" : "", name);
i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
sizeof(i8042_aux_firmware_id));
diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c
--- a/drivers/input/touchscreen/elo.c
+++ b/drivers/input/touchscreen/elo.c
@@ -257,7 +257,7 @@ static int elo_command_10(struct elo *elo, unsigned char *packet)
static int elo_setup_10(struct elo *elo)
{
- static const char *elo_types[] = { "Accu", "Dura", "Intelli", "Carroll" };
+ static const char * const elo_types[] = { "Accu", "Dura", "Intelli", "Carroll" };
struct input_dev *dev = elo->dev;
unsigned char packet[ELO10_PACKET_LEN] = { ELO10_ID_CMD };
@@ -273,7 +273,7 @@ static int elo_setup_10(struct elo *elo)
dev_info(&elo->serio->dev,
"%sTouch touchscreen, fw: %02x.%02x, features: 0x%02x, controller: 0x%02x\n",
- elo_types[(packet[1] -'0') & 0x03],
+ elo_types[(packet[1] - '0') & 0x03],
packet[5], packet[4], packet[3], packet[7]);
return 0;
diff --git a/drivers/input/touchscreen/inexio.c b/drivers/input/touchscreen/inexio.c
--- a/drivers/input/touchscreen/inexio.c
+++ b/drivers/input/touchscreen/inexio.c
@@ -81,7 +81,9 @@ static irqreturn_t inexio_interrupt(struct serio *serio,
if (INEXIO_RESPONSE_BEGIN_BYTE&pinexio->data[0])
inexio_process_data(pinexio);
else
- printk(KERN_DEBUG "inexio.c: unknown/unsynchronized data from device, byte %x\n",pinexio->data[0]);
+ dev_dbg(&serio->dev,
+ "unknown/unsynchronized data from device, byte %x\n",
+ pinexio->data[0]);
return IRQ_HANDLED;
}
diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c
--- a/drivers/input/touchscreen/iqs5xx.c
+++ b/drivers/input/touchscreen/iqs5xx.c
@@ -785,7 +785,8 @@ static int iqs5xx_fw_file_parse(struct i2c_client *client,
switch (rec_type) {
case IQS5XX_REC_TYPE_DATA:
if (rec_addr < IQS5XX_CHKSM ||
- rec_addr > IQS5XX_PMAP_END) {
+ rec_addr > IQS5XX_PMAP_END ||
+ rec_len > IQS5XX_PMAP_END + 1 - rec_addr) {
dev_err(&client->dev,
"Invalid address at record %u\n",
rec_num);
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -4,6 +4,8 @@
// Copyright (c) 2012 Samsung Electronics Co., Ltd.
// Author: Joonyoung Shim <jy0922.shim@samsung.com>
+#include <linux/bitfield.h>
+#include <linux/bits.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/of.h>
@@ -52,21 +54,13 @@
#define MMS114_TYPE_TOUCHSCREEN 1
#define MMS114_TYPE_TOUCHKEY 2
-enum mms_type {
- TYPE_MMS114 = 114,
- TYPE_MMS134S = 134,
- TYPE_MMS136 = 136,
- TYPE_MMS152 = 152,
- TYPE_MMS345L = 345,
-};
-
struct mms114_data {
+ const struct mms_chip *chip;
struct i2c_client *client;
struct input_dev *input_dev;
struct regulator *core_reg;
struct regulator *io_reg;
struct touchscreen_properties props;
- enum mms_type type;
unsigned int contact_threshold;
unsigned int moving_threshold;
@@ -77,9 +71,23 @@ struct mms114_data {
u8 cache_mode_control;
};
+struct mms_chip {
+ const char *name;
+ int event_size;
+ bool has_config_regs;
+ int (*get_version)(struct mms114_data *data);
+};
+
+#define MMS114_FLAGS_ID_MASK GENMASK(3, 0)
+#define MMS114_FLAGS_TYPE_MASK GENMASK(6, 5)
+#define MMS114_FLAGS_PRESSED_MASK BIT(7)
+
+#define MMS114_XY_HI_X_MASK GENMASK(3, 0)
+#define MMS114_XY_HI_Y_MASK GENMASK(7, 4)
+
struct mms114_touch {
- u8 id:4, reserved_bit4:1, type:2, pressed:1;
- u8 x_hi:4, y_hi:4;
+ u8 flags;
+ u8 xy_hi;
u8 x_lo;
u8 y_lo;
u8 width;
@@ -87,16 +95,16 @@ struct mms114_touch {
u8 reserved[2];
} __packed;
-static int __mms114_read_reg(struct mms114_data *data, unsigned int reg,
- unsigned int len, u8 *val)
+static int __mms114_read_reg(struct mms114_data *data, u8 reg,
+ unsigned int len, void *val)
{
struct i2c_client *client = data->client;
struct i2c_msg xfer[2];
- u8 buf = reg & 0xff;
+ u8 buf = reg;
int error;
- if (reg <= MMS114_MODE_CONTROL && reg + len > MMS114_MODE_CONTROL)
- BUG();
+ if (WARN_ON(reg <= MMS114_MODE_CONTROL && reg + len > MMS114_MODE_CONTROL))
+ return -EINVAL;
/* Write register */
xfer[0].addr = client->addr;
@@ -116,12 +124,12 @@ static int __mms114_read_reg(struct mms114_data *data, unsigned int reg,
"%s: i2c transfer failed (%d)\n", __func__, error);
return error < 0 ? error : -EIO;
}
- udelay(MMS114_I2C_DELAY);
+ usleep_range(MMS114_I2C_DELAY, MMS114_I2C_DELAY + 50);
return 0;
}
-static int mms114_read_reg(struct mms114_data *data, unsigned int reg)
+static int mms114_read_reg(struct mms114_data *data, u8 reg)
{
u8 val;
int error;
@@ -133,15 +141,14 @@ static int mms114_read_reg(struct mms114_data *data, unsigned int reg)
return error < 0 ? error : val;
}
-static int mms114_write_reg(struct mms114_data *data, unsigned int reg,
- unsigned int val)
+static int mms114_write_reg(struct mms114_data *data, u8 reg, u8 val)
{
struct i2c_client *client = data->client;
u8 buf[2];
int error;
- buf[0] = reg & 0xff;
- buf[1] = val & 0xff;
+ buf[0] = reg;
+ buf[1] = val;
error = i2c_master_send(client, buf, 2);
if (error != 2) {
@@ -149,7 +156,7 @@ static int mms114_write_reg(struct mms114_data *data, unsigned int reg,
"%s: i2c send failed (%d)\n", __func__, error);
return error < 0 ? error : -EIO;
}
- udelay(MMS114_I2C_DELAY);
+ usleep_range(MMS114_I2C_DELAY, MMS114_I2C_DELAY + 50);
if (reg == MMS114_MODE_CONTROL)
data->cache_mode_control = val;
@@ -157,32 +164,119 @@ static int mms114_write_reg(struct mms114_data *data, unsigned int reg,
return 0;
}
+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)
+ 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 mms152_get_version(struct mms114_data *data)
+{
+ struct device *dev = &data->client->dev;
+ u8 buf[3];
+ int group;
+ int error;
+
+ error = __mms114_read_reg(data, MMS152_FW_REV, 3, buf);
+ if (error)
+ return error;
+
+ group = i2c_smbus_read_byte_data(data->client, MMS152_COMPAT_GROUP);
+ if (group < 0)
+ return group;
+
+ dev_info(dev, "TSP FW Rev: bootloader 0x%x / core 0x%x / config 0x%x, Compat group: %c\n",
+ buf[0], buf[1], buf[2], group);
+ return 0;
+}
+
+static int mms345l_get_version(struct mms114_data *data)
+{
+ struct device *dev = &data->client->dev;
+ u8 buf[3];
+ int error;
+
+ error = __mms114_read_reg(data, MMS152_FW_REV, 3, buf);
+ if (error)
+ return error;
+
+ dev_info(dev, "TSP FW Rev: bootloader 0x%x / core 0x%x / config 0x%x\n",
+ buf[0], buf[1], buf[2]);
+ return 0;
+}
+
+static const struct mms_chip mms114_descriptor = {
+ .name = "MMS114",
+ .event_size = MMS114_EVENT_SIZE,
+ .has_config_regs = true,
+ .get_version = mms114_get_version,
+};
+
+static const struct mms_chip mms134s_descriptor = {
+ .name = "MMS134S",
+ .event_size = MMS136_EVENT_SIZE,
+ .has_config_regs = true,
+ .get_version = mms114_get_version,
+};
+
+static const struct mms_chip mms136_descriptor = {
+ .name = "MMS136",
+ .event_size = MMS136_EVENT_SIZE,
+ .has_config_regs = true,
+ .get_version = mms114_get_version,
+};
+
+static const struct mms_chip mms152_descriptor = {
+ .name = "MMS152",
+ .event_size = MMS114_EVENT_SIZE,
+ .has_config_regs = false,
+ .get_version = mms152_get_version,
+};
+
+static const struct mms_chip mms345l_descriptor = {
+ .name = "MMS345L",
+ .event_size = MMS114_EVENT_SIZE,
+ .has_config_regs = false,
+ .get_version = mms345l_get_version,
+};
+
static void mms114_process_mt(struct mms114_data *data, struct mms114_touch *touch)
{
struct i2c_client *client = data->client;
struct input_dev *input_dev = data->input_dev;
- unsigned int id;
+ unsigned int id = FIELD_GET(MMS114_FLAGS_ID_MASK, touch->flags);
+ unsigned int type = FIELD_GET(MMS114_FLAGS_TYPE_MASK, touch->flags);
+ bool pressed = FIELD_GET(MMS114_FLAGS_PRESSED_MASK, touch->flags);
unsigned int x;
unsigned int y;
- if (touch->id == 0 || touch->id > MMS114_MAX_TOUCH) {
- dev_err(&client->dev, "Wrong touch id (%d)\n", touch->id);
+ if (id == 0 || id > MMS114_MAX_TOUCH) {
+ dev_err(&client->dev, "Wrong touch id (%d)\n", id);
return;
}
- id = touch->id - 1;
- x = touch->x_lo | touch->x_hi << 8;
- y = touch->y_lo | touch->y_hi << 8;
+ id--;
+ x = touch->x_lo | FIELD_GET(MMS114_XY_HI_X_MASK, touch->xy_hi) << 8;
+ y = touch->y_lo | FIELD_GET(MMS114_XY_HI_Y_MASK, touch->xy_hi) << 8;
dev_dbg(&client->dev,
"id: %d, type: %d, pressed: %d, x: %d, y: %d, width: %d, strength: %d\n",
- id, touch->type, touch->pressed,
+ id, type, 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);
+ input_mt_report_slot_state(input_dev, MT_TOOL_FINGER, pressed);
- if (touch->pressed) {
+ if (pressed) {
touchscreen_report_pos(input_dev, &data->props, x, y, true);
input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, touch->width);
input_report_abs(input_dev, ABS_MT_PRESSURE, touch->strength);
@@ -195,21 +289,23 @@ static void mms114_process_touchkey(struct mms114_data *data,
struct i2c_client *client = data->client;
struct input_dev *input_dev = data->input_dev;
unsigned int keycode_id;
+ unsigned int id = FIELD_GET(MMS114_FLAGS_ID_MASK, touch->flags);
+ bool pressed = FIELD_GET(MMS114_FLAGS_PRESSED_MASK, touch->flags);
- if (touch->id == 0)
+ if (id == 0)
return;
- if (touch->id > data->num_keycodes) {
+ if (id > data->num_keycodes) {
dev_err(&client->dev, "Wrong touch id for touchkey (%d)\n",
- touch->id);
+ id);
return;
}
- keycode_id = touch->id - 1;
+ keycode_id = id - 1;
dev_dbg(&client->dev, "keycode id: %d, pressed: %d\n", keycode_id,
- touch->pressed);
+ pressed);
- input_report_key(input_dev, data->keycodes[keycode_id], touch->pressed);
+ input_report_key(input_dev, data->keycodes[keycode_id], pressed);
}
static irqreturn_t mms114_interrupt(int irq, void *dev_id)
@@ -218,8 +314,8 @@ static irqreturn_t mms114_interrupt(int irq, void *dev_id)
struct i2c_client *client = data->client;
struct mms114_touch touch[MMS114_MAX_TOUCH];
struct mms114_touch *t;
+ int event_size = data->chip->event_size;
int packet_size;
- int event_size;
int touch_size;
int index;
int error;
@@ -234,23 +330,17 @@ static irqreturn_t mms114_interrupt(int irq, void *dev_id)
goto out;
}
- /* MMS136 has slightly different event size */
- if (data->type == TYPE_MMS134S || data->type == TYPE_MMS136)
- event_size = MMS136_EVENT_SIZE;
- else
- event_size = MMS114_EVENT_SIZE;
-
touch_size = packet_size / event_size;
- error = __mms114_read_reg(data, MMS114_INFORMATION, packet_size,
- (u8 *)touch);
- if (error < 0)
+ error = __mms114_read_reg(data, MMS114_INFORMATION, packet_size, touch);
+ if (error)
goto out;
for (index = 0; index < touch_size; index++) {
t = (struct mms114_touch *)((u8 *)touch + index * event_size);
+ unsigned int type = FIELD_GET(MMS114_FLAGS_TYPE_MASK, t->flags);
- switch (t->type) {
+ switch (type) {
case MMS114_TYPE_TOUCHSCREEN:
mms114_process_mt(data, t);
break;
@@ -261,7 +351,7 @@ static irqreturn_t mms114_interrupt(int irq, void *dev_id)
default:
dev_err(&client->dev, "Wrong touch type (%d)\n",
- t->type);
+ type);
break;
}
}
@@ -290,65 +380,17 @@ static int mms114_set_active(struct mms114_data *data, bool 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 group;
- int error;
-
- switch (data->type) {
- case TYPE_MMS345L:
- error = __mms114_read_reg(data, MMS152_FW_REV, 3, buf);
- if (error)
- return error;
-
- dev_info(dev, "TSP FW Rev: bootloader 0x%x / core 0x%x / config 0x%x\n",
- buf[0], buf[1], buf[2]);
- break;
-
- case TYPE_MMS152:
- error = __mms114_read_reg(data, MMS152_FW_REV, 3, buf);
- if (error)
- return error;
-
- group = i2c_smbus_read_byte_data(data->client,
- MMS152_COMPAT_GROUP);
- if (group < 0)
- return group;
-
- dev_info(dev, "TSP FW Rev: bootloader 0x%x / core 0x%x / config 0x%x, Compat group: %c\n",
- buf[0], buf[1], buf[2], group);
- break;
-
- case TYPE_MMS114:
- case TYPE_MMS134S:
- case TYPE_MMS136:
- error = __mms114_read_reg(data, MMS114_TSP_REV, 6, buf);
- if (error)
- return error;
-
- dev_info(dev, "TSP Rev: 0x%x, HW Rev: 0x%x, Firmware Ver: 0x%x\n",
- buf[0], buf[1], buf[3]);
- break;
- }
-
- return 0;
-}
-
static int mms114_setup_regs(struct mms114_data *data)
{
const struct touchscreen_properties *props = &data->props;
int val;
int error;
- error = mms114_get_version(data);
- if (error < 0)
+ error = data->chip->get_version(data);
+ if (error)
return error;
- /* MMS114, MMS134S and MMS136 have configuration and power on registers */
- if (data->type != TYPE_MMS114 && data->type != TYPE_MMS134S &&
- data->type != TYPE_MMS136)
+ if (!data->chip->has_config_regs)
return 0;
error = mms114_set_active(data, true);
@@ -366,21 +408,21 @@ static int mms114_setup_regs(struct mms114_data *data)
if (error < 0)
return error;
- val = props->max_x & 0xff;
+ val = props->max_y & 0xff;
error = mms114_write_reg(data, MMS114_Y_RESOLUTION, val);
if (error < 0)
return error;
if (data->contact_threshold) {
error = mms114_write_reg(data, MMS114_CONTACT_THRESHOLD,
- data->contact_threshold);
+ data->contact_threshold);
if (error < 0)
return error;
}
if (data->moving_threshold) {
error = mms114_write_reg(data, MMS114_MOVING_THRESHOLD,
- data->moving_threshold);
+ data->moving_threshold);
if (error < 0)
return error;
}
@@ -466,9 +508,9 @@ static int mms114_parse_legacy_bindings(struct mms114_data *data)
}
device_property_read_u32(dev, "contact-threshold",
- &data->contact_threshold);
+ &data->contact_threshold);
device_property_read_u32(dev, "moving-threshold",
- &data->moving_threshold);
+ &data->moving_threshold);
if (device_property_read_bool(dev, "x-invert"))
props->invert_x = true;
@@ -484,7 +526,6 @@ static int mms114_probe(struct i2c_client *client)
{
struct mms114_data *data;
struct input_dev *input_dev;
- const void *match_data;
int error;
int i;
@@ -504,12 +545,10 @@ static int mms114_probe(struct i2c_client *client)
data->client = client;
data->input_dev = input_dev;
- match_data = device_get_match_data(&client->dev);
- if (!match_data)
+ data->chip = i2c_get_match_data(client);
+ if (!data->chip)
return -EINVAL;
- data->type = (enum mms_type)match_data;
-
data->num_keycodes = device_property_count_u32(&client->dev,
"linux,keycodes");
if (data->num_keycodes == -EINVAL) {
@@ -521,7 +560,7 @@ static int mms114_probe(struct i2c_client *client)
return data->num_keycodes;
} else if (data->num_keycodes > MMS114_MAX_TOUCHKEYS) {
dev_warn(&client->dev,
- "Found %d linux,keycodes but max is %d, ignoring the rest\n",
+ "Found %d linux,keycodes but max is %d, ignoring the rest\n",
data->num_keycodes, MMS114_MAX_TOUCHKEYS);
data->num_keycodes = MMS114_MAX_TOUCHKEYS;
}
@@ -566,8 +605,7 @@ static int mms114_probe(struct i2c_client *client)
0, data->props.max_y, 0, 0);
}
- if (data->type == TYPE_MMS114 || data->type == TYPE_MMS134S ||
- data->type == TYPE_MMS136) {
+ if (data->chip->has_config_regs) {
/*
* The firmware handles movement and pressure fuzz, so
* don't duplicate that in software.
@@ -582,8 +620,8 @@ static int mms114_probe(struct i2c_client *client)
}
input_dev->name = devm_kasprintf(&client->dev, GFP_KERNEL,
- "MELFAS MMS%d Touchscreen",
- data->type);
+ "MELFAS %s Touchscreen",
+ data->chip->name);
if (!input_dev->name)
return -ENOMEM;
@@ -679,29 +717,22 @@ static int mms114_resume(struct device *dev)
static DEFINE_SIMPLE_DEV_PM_OPS(mms114_pm_ops, mms114_suspend, mms114_resume);
static const struct i2c_device_id mms114_id[] = {
- { .name = "mms114" },
+ { .name = "mms114", .driver_data = (kernel_ulong_t)&mms114_descriptor },
+ { .name = "mms134s", .driver_data = (kernel_ulong_t)&mms134s_descriptor },
+ { .name = "mms136", .driver_data = (kernel_ulong_t)&mms136_descriptor },
+ { .name = "mms152", .driver_data = (kernel_ulong_t)&mms152_descriptor },
+ { .name = "mms345l", .driver_data = (kernel_ulong_t)&mms345l_descriptor },
{ }
};
MODULE_DEVICE_TABLE(i2c, mms114_id);
#ifdef CONFIG_OF
static const struct of_device_id mms114_dt_match[] = {
- {
- .compatible = "melfas,mms114",
- .data = (void *)TYPE_MMS114,
- }, {
- .compatible = "melfas,mms134s",
- .data = (void *)TYPE_MMS134S,
- }, {
- .compatible = "melfas,mms136",
- .data = (void *)TYPE_MMS136,
- }, {
- .compatible = "melfas,mms152",
- .data = (void *)TYPE_MMS152,
- }, {
- .compatible = "melfas,mms345l",
- .data = (void *)TYPE_MMS345L,
- },
+ { .compatible = "melfas,mms114", .data = &mms114_descriptor },
+ { .compatible = "melfas,mms134s", .data = &mms134s_descriptor },
+ { .compatible = "melfas,mms136", .data = &mms136_descriptor },
+ { .compatible = "melfas,mms152", .data = &mms152_descriptor },
+ { .compatible = "melfas,mms345l", .data = &mms345l_descriptor },
{ }
};
MODULE_DEVICE_TABLE(of, mms114_dt_match);
@@ -722,4 +753,4 @@ module_i2c_driver(mms114_driver);
/* Module information */
MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
MODULE_DESCRIPTION("MELFAS mms114 Touchscreen driver");
-MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -128,8 +128,8 @@ struct sur40_image_header {
/* polling interval (ms) */
#define POLL_INTERVAL 1
-/* maximum number of contacts FIXME: this is a guess? */
-#define MAX_CONTACTS 64
+/* maximum number of contacts */
+#define MAX_CONTACTS 52
/* control commands */
#define SUR40_GET_VERSION 0xb0 /* 12 bytes string */
diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c
--- a/drivers/input/touchscreen/wacom_w8001.c
+++ b/drivers/input/touchscreen/wacom_w8001.c
@@ -417,6 +417,13 @@ static int w8001_detect(struct w8001 *w8001)
return 0;
}
+static void w8001_append_suffix(char *dest, const char *suffix, size_t dest_sz)
+{
+ size_t used = strnlen(dest, dest_sz);
+
+ strscpy(dest + used, suffix, dest_sz - used);
+}
+
static int w8001_setup_pen(struct w8001 *w8001, char *basename,
size_t basename_sz)
{
@@ -453,7 +460,7 @@ static int w8001_setup_pen(struct w8001 *w8001, char *basename,
}
w8001->id = 0x90;
- strlcat(basename, " Penabled", basename_sz);
+ w8001_append_suffix(basename, " Penabled", basename_sz);
return 0;
}
@@ -503,14 +510,14 @@ static int w8001_setup_touch(struct w8001 *w8001, char *basename,
case 2:
w8001->pktlen = W8001_PKTLEN_TOUCH93;
w8001->id = 0x93;
- strlcat(basename, " 1FG", basename_sz);
+ w8001_append_suffix(basename, " 1FG", basename_sz);
break;
case 1:
case 3:
case 4:
w8001->pktlen = W8001_PKTLEN_TOUCH9A;
- strlcat(basename, " 1FG", basename_sz);
+ w8001_append_suffix(basename, " 1FG", basename_sz);
w8001->id = 0x9a;
break;
@@ -534,7 +541,7 @@ static int w8001_setup_touch(struct w8001 *w8001, char *basename,
input_abs_set_res(dev, ABS_MT_POSITION_X, touch.panel_res);
input_abs_set_res(dev, ABS_MT_POSITION_Y, touch.panel_res);
- strlcat(basename, " 2FG", basename_sz);
+ w8001_append_suffix(basename, " 2FG", basename_sz);
if (w8001->max_pen_x && w8001->max_pen_y)
w8001->id = 0xE3;
else
@@ -542,7 +549,7 @@ static int w8001_setup_touch(struct w8001 *w8001, char *basename,
break;
}
- strlcat(basename, " Touchscreen", basename_sz);
+ w8001_append_suffix(basename, " Touchscreen", basename_sz);
return 0;
}
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c
--- a/drivers/mfd/rohm-bd71828.c
+++ b/drivers/mfd/rohm-bd71828.c
@@ -5,7 +5,8 @@
* ROHM BD718[15/28/79] and BD72720 PMIC driver
*/
-#include <linux/gpio_keys.h>
+#include <linux/device/devres.h>
+#include <linux/gfp_types.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
@@ -18,6 +19,7 @@
#include <linux/mfd/rohm-generic.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/types.h>
@@ -37,19 +39,6 @@
}, \
}
-static struct gpio_keys_button button = {
- .code = KEY_POWER,
- .gpio = -1,
- .type = EV_KEY,
- .wakeup = 1,
-};
-
-static const struct gpio_keys_platform_data bd71828_powerkey_data = {
- .buttons = &button,
- .nbuttons = 1,
- .name = "bd71828-pwrkey",
-};
-
static const struct resource bd71815_rtc_irqs[] = {
DEFINE_RES_IRQ_NAMED(BD71815_INT_RTC0, "bd70528-rtc-alm-0"),
DEFINE_RES_IRQ_NAMED(BD71815_INT_RTC1, "bd70528-rtc-alm-1"),
@@ -174,10 +163,6 @@ static struct mfd_cell bd71828_mfd_cells[] = {
.name = "bd71828-rtc",
.resources = bd71828_rtc_irqs,
.num_resources = ARRAY_SIZE(bd71828_rtc_irqs),
- }, {
- .name = "gpio-keys",
- .platform_data = &bd71828_powerkey_data,
- .pdata_size = sizeof(bd71828_powerkey_data),
},
};
@@ -242,11 +227,8 @@ static const struct mfd_cell bd72720_mfd_cells[] = {
.name = "bd72720-rtc",
.resources = bd72720_rtc_irqs,
.num_resources = ARRAY_SIZE(bd72720_rtc_irqs),
- }, {
- .name = "gpio-keys",
- .platform_data = &bd71828_powerkey_data,
- .pdata_size = sizeof(bd71828_powerkey_data),
},
+ /* Power button is registered separately */
};
static const struct regmap_range bd71815_volatile_ranges[] = {
@@ -877,6 +859,84 @@ static int set_clk_mode(struct device *dev, struct regmap *regmap,
OUT32K_MODE_CMOS);
}
+static const struct property_entry bd71828_powerkey_parent_props[] = {
+ PROPERTY_ENTRY_STRING("label", "bd71828-pwrkey"),
+ { }
+};
+
+static const struct property_entry bd71828_powerkey_props[] = {
+ PROPERTY_ENTRY_U32("linux,code", KEY_POWER),
+ PROPERTY_ENTRY_BOOL("wakeup-source"),
+ { }
+};
+
+#define GPIO_KEYS 0 /* Node corresponding to gpio-keys device itself */
+#define PWRON_KEY 1 /* Node describing power button in gpio-keys */
+
+static int bd71828_i2c_register_swnodes(const struct software_node *nodes)
+{
+ const struct software_node * const node_group[] = {
+ &nodes[GPIO_KEYS], &nodes[PWRON_KEY], NULL
+ };
+
+ return software_node_register_node_group(node_group);
+}
+
+static void bd71828_i2c_unregister_swnodes(void *data)
+{
+ const struct software_node *nodes = data;
+ const struct software_node * const node_group[] = {
+ &nodes[GPIO_KEYS], &nodes[PWRON_KEY], NULL
+ };
+
+ software_node_unregister_node_group(node_group);
+}
+
+static int bd71828_i2c_register_pwrbutton(struct device *dev, int button_irq,
+ struct irq_domain *irq_domain)
+{
+ const struct resource res[] = {
+ DEFINE_RES_IRQ_NAMED(button_irq, "bd71828-pwrkey"),
+ };
+ struct mfd_cell gpio_keys_cell = {
+ .name = "gpio-keys",
+ .resources = res,
+ .num_resources = ARRAY_SIZE(res),
+ };
+ struct software_node *nodes;
+ int ret;
+
+ nodes = devm_kcalloc(dev, 2, sizeof(*nodes), GFP_KERNEL);
+ if (!nodes)
+ return -ENOMEM;
+
+ nodes[GPIO_KEYS].name = devm_kasprintf(dev, GFP_KERNEL, "%s-power-key", dev_name(dev));
+ if (!nodes[GPIO_KEYS].name)
+ return -ENOMEM;
+
+ nodes[GPIO_KEYS].properties = bd71828_powerkey_parent_props;
+
+ nodes[PWRON_KEY].parent = &nodes[GPIO_KEYS];
+ nodes[PWRON_KEY].properties = bd71828_powerkey_props;
+
+ ret = bd71828_i2c_register_swnodes(nodes);
+ if (ret)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev, bd71828_i2c_unregister_swnodes, nodes);
+ if (ret)
+ return ret;
+
+ gpio_keys_cell.swnode = &nodes[GPIO_KEYS];
+
+ ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, &gpio_keys_cell, 1,
+ NULL, 0, irq_domain);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to register power-button");
+
+ return 0;
+}
+
static struct i2c_client *bd71828_dev;
static void bd71828_power_off(void)
{
@@ -929,6 +989,7 @@ static struct regmap *bd72720_do_regmaps(struct i2c_client *i2c)
static int bd71828_i2c_probe(struct i2c_client *i2c)
{
struct regmap_irq_chip_data *irq_data;
+ struct irq_domain *irq_domain;
int ret;
struct regmap *regmap = NULL;
const struct regmap_config *regmap_config;
@@ -1022,23 +1083,23 @@ static int bd71828_i2c_probe(struct i2c_client *i2c)
"Failed to enable main level IRQs\n");
}
}
- if (button_irq) {
- ret = regmap_irq_get_virq(irq_data, button_irq);
- if (ret < 0)
- return dev_err_probe(&i2c->dev, ret,
- "Failed to get the power-key IRQ\n");
-
- button.irq = ret;
- }
ret = set_clk_mode(&i2c->dev, regmap, clkmode_reg);
if (ret)
return ret;
+ irq_domain = regmap_irq_get_domain(irq_data);
+
ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, mfd, cells,
- NULL, 0, regmap_irq_get_domain(irq_data));
+ NULL, 0, irq_domain);
if (ret)
- return dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");
+ return dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");
+
+ if (button_irq) {
+ ret = bd71828_i2c_register_pwrbutton(&i2c->dev, button_irq, irq_domain);
+ if (ret)
+ return ret;
+ }
if (of_device_is_system_power_controller(i2c->dev.of_node) &&
chip_type == ROHM_CHIP_TYPE_BD71828) {
diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c
--- a/drivers/mfd/rohm-bd718x7.c
+++ b/drivers/mfd/rohm-bd718x7.c
@@ -7,7 +7,8 @@
// Datasheet for BD71837MWV available from
// https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e
-#include <linux/gpio_keys.h>
+#include <linux/device/devres.h>
+#include <linux/gfp_types.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/interrupt.h>
@@ -15,37 +16,16 @@
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/types.h>
-static struct gpio_keys_button button = {
- .code = KEY_POWER,
- .gpio = -1,
- .type = EV_KEY,
-};
-
-static struct gpio_keys_platform_data bd718xx_powerkey_data = {
- .buttons = &button,
- .nbuttons = 1,
- .name = "bd718xx-pwrkey",
-};
-
static struct mfd_cell bd71837_mfd_cells[] = {
- {
- .name = "gpio-keys",
- .platform_data = &bd718xx_powerkey_data,
- .pdata_size = sizeof(bd718xx_powerkey_data),
- },
{ .name = "bd71837-clk", },
{ .name = "bd71837-pmic", },
};
static struct mfd_cell bd71847_mfd_cells[] = {
- {
- .name = "gpio-keys",
- .platform_data = &bd718xx_powerkey_data,
- .pdata_size = sizeof(bd718xx_powerkey_data),
- },
{ .name = "bd71847-clk", },
{ .name = "bd71847-pmic", },
};
@@ -125,10 +105,89 @@ static int bd718xx_init_press_duration(struct regmap *regmap,
return 0;
}
+static const struct property_entry bd718xx_powerkey_parent_props[] = {
+ PROPERTY_ENTRY_STRING("label", "bd718xx-pwrkey"),
+ { }
+};
+
+static const struct property_entry bd718xx_powerkey_props[] = {
+ PROPERTY_ENTRY_U32("linux,code", KEY_POWER),
+ { }
+};
+
+static const struct resource bd718xx_powerkey_resources[] = {
+ DEFINE_RES_IRQ_NAMED(BD718XX_INT_PWRBTN_S, "bd718xx-pwrkey"),
+};
+
+#define GPIO_KEYS 0 /* Node corresponding to gpio-keys device itself */
+#define PWRON_KEY 1 /* Node describing power button in gpio-keys */
+
+static int bd718xx_i2c_register_swnodes(const struct software_node *nodes)
+{
+ const struct software_node * const node_group[] = {
+ &nodes[GPIO_KEYS], &nodes[PWRON_KEY], NULL
+ };
+
+ return software_node_register_node_group(node_group);
+}
+
+static void bd718xx_i2c_unregister_swnodes(void *data)
+{
+ const struct software_node *nodes = data;
+ const struct software_node * const node_group[] = {
+ &nodes[GPIO_KEYS], &nodes[PWRON_KEY], NULL
+ };
+
+ software_node_unregister_node_group(node_group);
+}
+
+static int bd718xx_i2c_register_pwrbutton(struct device *dev,
+ struct irq_domain *irq_domain)
+{
+ struct mfd_cell gpio_keys_cell = {
+ .name = "gpio-keys",
+ .resources = bd718xx_powerkey_resources,
+ .num_resources = ARRAY_SIZE(bd718xx_powerkey_resources),
+ };
+ struct software_node *nodes;
+ int ret;
+
+ nodes = devm_kcalloc(dev, 2, sizeof(*nodes), GFP_KERNEL);
+ if (!nodes)
+ return -ENOMEM;
+
+ nodes[GPIO_KEYS].name = devm_kasprintf(dev, GFP_KERNEL, "%s-power-key", dev_name(dev));
+ if (!nodes[GPIO_KEYS].name)
+ return -ENOMEM;
+
+ nodes[GPIO_KEYS].properties = bd718xx_powerkey_parent_props;
+
+ nodes[PWRON_KEY].parent = &nodes[GPIO_KEYS];
+ nodes[PWRON_KEY].properties = bd718xx_powerkey_props;
+
+ ret = bd718xx_i2c_register_swnodes(nodes);
+ if (ret)
+ return ret;
+
+ ret = devm_add_action_or_reset(dev, bd718xx_i2c_unregister_swnodes, nodes);
+ if (ret)
+ return ret;
+
+ gpio_keys_cell.swnode = &nodes[GPIO_KEYS];
+
+ ret = devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, &gpio_keys_cell, 1,
+ NULL, 0, irq_domain);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to register power-button");
+
+ return 0;
+}
+
static int bd718xx_i2c_probe(struct i2c_client *i2c)
{
struct regmap *regmap;
struct regmap_irq_chip_data *irq_data;
+ struct irq_domain *irq_domain;
int ret;
unsigned int chip_type;
struct mfd_cell *mfd;
@@ -169,20 +228,18 @@ static int bd718xx_i2c_probe(struct i2c_client *i2c)
if (ret)
return ret;
- ret = regmap_irq_get_virq(irq_data, BD718XX_INT_PWRBTN_S);
-
- if (ret < 0)
- return dev_err_probe(&i2c->dev, ret, "Failed to get the IRQ\n");
-
- button.irq = ret;
+ irq_domain = regmap_irq_get_domain(irq_data);
ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,
- mfd, cells, NULL, 0,
- regmap_irq_get_domain(irq_data));
+ mfd, cells, NULL, 0, irq_domain);
if (ret)
- dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");
+ return dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n");
- return ret;
+ ret = bd718xx_i2c_register_pwrbutton(&i2c->dev, irq_domain);
+ if (ret)
+ return ret;
+
+ return 0;
}
static const struct of_device_id bd718xx_of_match[] = {
diff --git a/include/linux/input.h b/include/linux/input.h
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -117,7 +117,8 @@ enum input_clock_type {
* user opens device and dev->close() is called when the very
* last user closes the device
* @going_away: marks devices that are in a middle of unregistering and
- * causes input_open_device*() fail with -ENODEV.
+ * causes input_open_device() and input_inhibit/uninhibit_device()
+ * to fail with -ENODEV.
* @dev: driver model's view of this device
* @h_list: list of input handles associated with the device. When
* accessing the list dev->mutex must be held
@@ -128,11 +129,14 @@ enum input_clock_type {
* @devres_managed: indicates that devices is managed with devres framework
* and needs not be explicitly unregistered or freed.
* @timestamp: storage for a timestamp set by input_set_timestamp called
- * by a driver
+ * by a driver
* @inhibited: indicates that the input device is inhibited. If that is
- * the case then input core ignores any events generated by the device.
- * Device's close() is called when it is being inhibited and its open()
- * is called when it is being uninhibited.
+ * the case then input core ignores any events generated by the device.
+ * Device's close() is called when it is being inhibited and its open()
+ * is called when it is being uninhibited.
+ * @ready: indicates that the device has been successfully opened and is
+ * prepared to process events (like LEDs or sounds) sent from the
+ * input core.
*/
struct input_dev {
const char *name;
@@ -209,6 +213,7 @@ struct input_dev {
ktime_t timestamp[INPUT_CLK_MAX];
bool inhibited;
+ bool ready;
};
#define to_input_dev(d) container_of(d, struct input_dev, dev)
@@ -284,8 +289,9 @@ struct input_handle;
* @connect: called when attaching a handler to an input device
* @disconnect: disconnects a handler from input device
* @start: starts handler for given handle. This function is called by
- * input core right after connect() method and also when a process
- * that "grabbed" a device releases it
+ * input core when device is open and ready to process events,
+ * and also when device is uninhibited or when a process that "grabbed"
+ * a device releases it
* @passive_observer: set to %true by drivers only interested in observing
* data stream from devices if there are other users present. Such
* drivers will not result in starting underlying hardware device
diff --git a/include/linux/input/elan-i2c-ids.h b/include/linux/input/elan-i2c-ids.h
--- a/include/linux/input/elan-i2c-ids.h
+++ b/include/linux/input/elan-i2c-ids.h
@@ -18,7 +18,7 @@
#ifndef __ELAN_I2C_IDS_H
#define __ELAN_I2C_IDS_H
-#include <linux/mod_devicetable.h>
+#include <linux/device-id/acpi.h>
static const struct acpi_device_id elan_acpi_id[] = {
{ "ELAN0000", 0 },
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