@@ -40,6 +40,9 @@ config KEYBOARD_ADP5520
config KEYBOARD_ADP5588
tristate "ADP5588/87 I2C QWERTY Keypad and IO Expander"
depends on I2C
+ select GPIOLIB
+ select GPIOLIB_IRQCHIP
+ select INPUT_MATRIXKMAP
help
Say Y here if you want to use a ADP5588/87 attached to your
system I2C bus.
@@ -8,25 +8,163 @@
* Copyright (C) 2008-2010 Analog Devices Inc.
*/
-#include <linux/module.h>
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/gpio/consumer.h>
+#include <linux/gpio/driver.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/input/matrix_keypad.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/workqueue.h>
-#include <linux/errno.h>
-#include <linux/pm.h>
+#include <linux/ktime.h>
+#include <linux/module.h>
+#include <linux/mod_devicetable.h>
+#include <linux/pinctrl/pinconf-generic.h>
#include <linux/platform_device.h>
-#include <linux/input.h>
-#include <linux/i2c.h>
-#include <linux/gpio.h>
+#include <linux/pm.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
+#include <linux/timekeeping.h>
+
+#define DEV_ID 0x00 /* Device ID */
+#define CFG 0x01 /* Configuration Register1 */
+#define INT_STAT 0x02 /* Interrupt Status Register */
+#define KEY_LCK_EC_STAT 0x03 /* Key Lock and Event Counter Register */
+#define KEY_EVENTA 0x04 /* Key Event Register A */
+#define KEY_EVENTB 0x05 /* Key Event Register B */
+#define KEY_EVENTC 0x06 /* Key Event Register C */
+#define KEY_EVENTD 0x07 /* Key Event Register D */
+#define KEY_EVENTE 0x08 /* Key Event Register E */
+#define KEY_EVENTF 0x09 /* Key Event Register F */
+#define KEY_EVENTG 0x0A /* Key Event Register G */
+#define KEY_EVENTH 0x0B /* Key Event Register H */
+#define KEY_EVENTI 0x0C /* Key Event Register I */
+#define KEY_EVENTJ 0x0D /* Key Event Register J */
+#define KP_LCK_TMR 0x0E /* Keypad Lock1 to Lock2 Timer */
+#define UNLOCK1 0x0F /* Unlock Key1 */
+#define UNLOCK2 0x10 /* Unlock Key2 */
+#define GPIO_INT_STAT1 0x11 /* GPIO Interrupt Status */
+#define GPIO_INT_STAT2 0x12 /* GPIO Interrupt Status */
+#define GPIO_INT_STAT3 0x13 /* GPIO Interrupt Status */
+#define GPIO_DAT_STAT1 0x14 /* GPIO Data Status, Read twice to clear */
+#define GPIO_DAT_STAT2 0x15 /* GPIO Data Status, Read twice to clear */
+#define GPIO_DAT_STAT3 0x16 /* GPIO Data Status, Read twice to clear */
+#define GPIO_DAT_OUT1 0x17 /* GPIO DATA OUT */
+#define GPIO_DAT_OUT2 0x18 /* GPIO DATA OUT */
+#define GPIO_DAT_OUT3 0x19 /* GPIO DATA OUT */
+#define GPIO_INT_EN1 0x1A /* GPIO Interrupt Enable */
+#define GPIO_INT_EN2 0x1B /* GPIO Interrupt Enable */
+#define GPIO_INT_EN3 0x1C /* GPIO Interrupt Enable */
+#define KP_GPIO1 0x1D /* Keypad or GPIO Selection */
+#define KP_GPIO2 0x1E /* Keypad or GPIO Selection */
+#define KP_GPIO3 0x1F /* Keypad or GPIO Selection */
+#define GPI_EM1 0x20 /* GPI Event Mode 1 */
+#define GPI_EM2 0x21 /* GPI Event Mode 2 */
+#define GPI_EM3 0x22 /* GPI Event Mode 3 */
+#define GPIO_DIR1 0x23 /* GPIO Data Direction */
+#define GPIO_DIR2 0x24 /* GPIO Data Direction */
+#define GPIO_DIR3 0x25 /* GPIO Data Direction */
+#define GPIO_INT_LVL1 0x26 /* GPIO Edge/Level Detect */
+#define GPIO_INT_LVL2 0x27 /* GPIO Edge/Level Detect */
+#define GPIO_INT_LVL3 0x28 /* GPIO Edge/Level Detect */
+#define DEBOUNCE_DIS1 0x29 /* Debounce Disable */
+#define DEBOUNCE_DIS2 0x2A /* Debounce Disable */
+#define DEBOUNCE_DIS3 0x2B /* Debounce Disable */
+#define GPIO_PULL1 0x2C /* GPIO Pull Disable */
+#define GPIO_PULL2 0x2D /* GPIO Pull Disable */
+#define GPIO_PULL3 0x2E /* GPIO Pull Disable */
+#define CMP_CFG_STAT 0x30 /* Comparator Configuration and Status Register */
+#define CMP_CONFG_SENS1 0x31 /* Sensor1 Comparator Configuration Register */
+#define CMP_CONFG_SENS2 0x32 /* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */
+#define CMP1_LVL2_TRIP 0x33 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */
+#define CMP1_LVL2_HYS 0x34 /* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */
+#define CMP1_LVL3_TRIP 0x35 /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */
+#define CMP1_LVL3_HYS 0x36 /* Sensor 2 Comparator Configuration Register */
+#define CMP2_LVL2_TRIP 0x37 /* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */
+#define CMP2_LVL2_HYS 0x38 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */
+#define CMP2_LVL3_TRIP 0x39 /* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */
+#define CMP2_LVL3_HYS 0x3A /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */
+#define CMP1_ADC_DAT_R1 0x3B /* Comparator 1 ADC data Register1 */
+#define CMP1_ADC_DAT_R2 0x3C /* Comparator 1 ADC data Register2 */
+#define CMP2_ADC_DAT_R1 0x3D /* Comparator 2 ADC data Register1 */
+#define CMP2_ADC_DAT_R2 0x3E /* Comparator 2 ADC data Register2 */
+
+#define ADP5588_DEVICE_ID_MASK 0xF
+
+ /* Configuration Register1 */
+#define ADP5588_AUTO_INC BIT(7)
+#define ADP5588_GPIEM_CFG BIT(6)
+#define ADP5588_OVR_FLOW_M BIT(5)
+#define ADP5588_INT_CFG BIT(4)
+#define ADP5588_OVR_FLOW_IEN BIT(3)
+#define ADP5588_K_LCK_IM BIT(2)
+#define ADP5588_GPI_IEN BIT(1)
+#define ADP5588_KE_IEN BIT(0)
+
+/* Interrupt Status Register */
+#define ADP5588_CMP2_INT BIT(5)
+#define ADP5588_CMP1_INT BIT(4)
+#define ADP5588_OVR_FLOW_INT BIT(3)
+#define ADP5588_K_LCK_INT BIT(2)
+#define ADP5588_GPI_INT BIT(1)
+#define ADP5588_KE_INT BIT(0)
+
+/* Key Lock and Event Counter Register */
+#define ADP5588_K_LCK_EN BIT(6)
+#define ADP5588_LCK21 0x30
+#define ADP5588_KEC GENMASK(3, 0)
+
+#define ADP5588_MAXGPIO 18
+#define ADP5588_BANK(offs) ((offs) >> 3)
+#define ADP5588_BIT(offs) (1u << ((offs) & 0x7))
+
+/* Put one of these structures in i2c_board_info platform_data */
-#include <linux/platform_data/adp5588.h>
+/*
+ * 128 so it fits matrix-keymap maximum number of keys when the full
+ * 10cols * 8rows are used.
+ */
+#define ADP5588_KEYMAPSIZE 128
+
+#define GPI_PIN_ROW0 97
+#define GPI_PIN_ROW1 98
+#define GPI_PIN_ROW2 99
+#define GPI_PIN_ROW3 100
+#define GPI_PIN_ROW4 101
+#define GPI_PIN_ROW5 102
+#define GPI_PIN_ROW6 103
+#define GPI_PIN_ROW7 104
+#define GPI_PIN_COL0 105
+#define GPI_PIN_COL1 106
+#define GPI_PIN_COL2 107
+#define GPI_PIN_COL3 108
+#define GPI_PIN_COL4 109
+#define GPI_PIN_COL5 110
+#define GPI_PIN_COL6 111
+#define GPI_PIN_COL7 112
+#define GPI_PIN_COL8 113
+#define GPI_PIN_COL9 114
+
+#define GPI_PIN_ROW_BASE GPI_PIN_ROW0
+#define GPI_PIN_ROW_END GPI_PIN_ROW7
+#define GPI_PIN_COL_BASE GPI_PIN_COL0
+#define GPI_PIN_COL_END GPI_PIN_COL9
+
+#define GPI_PIN_BASE GPI_PIN_ROW_BASE
+#define GPI_PIN_END GPI_PIN_COL_END
+
+#define ADP5588_ROWS_MAX (GPI_PIN_ROW7 - GPI_PIN_ROW0 + 1)
+#define ADP5588_COLS_MAX (GPI_PIN_COL9 - GPI_PIN_COL0 + 1)
+
+#define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1)
/* Key Event Register xy */
-#define KEY_EV_PRESSED (1 << 7)
-#define KEY_EV_MASK (0x7F)
+#define KEY_EV_PRESSED BIT(7)
+#define KEY_EV_MASK GENMASK(6, 0)
-#define KP_SEL(x) (0xFFFF >> (16 - x)) /* 2^x-1 */
+#define KP_SEL(x) (BIT(x) - 1) /* 2^x-1 */
#define KEYP_MAX_EVENT 10
@@ -36,23 +174,29 @@
* asserted.
*/
#define WA_DELAYED_READOUT_REVID(rev) ((rev) < 4)
+#define WA_DELAYED_READOUT_TIME 25
+
+#define ADP5588_INVALID_HWIRQ (~0UL)
struct adp5588_kpad {
struct i2c_client *client;
struct input_dev *input;
- struct delayed_work work;
+ ktime_t irq_time;
unsigned long delay;
+ u32 row_shift;
+ u32 rows;
+ u32 cols;
+ u32 unlock_keys[2];
+ int nkeys_unlock;
unsigned short keycode[ADP5588_KEYMAPSIZE];
- const struct adp5588_gpi_map *gpimap;
- unsigned short gpimapsize;
-#ifdef CONFIG_GPIOLIB
unsigned char gpiomap[ADP5588_MAXGPIO];
- bool export_gpio;
struct gpio_chip gc;
struct mutex gpio_lock; /* Protect cached dir, dat_out */
u8 dat_out[3];
u8 dir[3];
-#endif
+ u8 int_en[3];
+ u8 irq_mask[3];
+ u8 pull_dis[3];
};
static int adp5588_read(struct i2c_client *client, u8 reg)
@@ -70,8 +214,7 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
return i2c_smbus_write_byte_data(client, reg, val);
}
-#ifdef CONFIG_GPIOLIB
-static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
+static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned int off)
{
struct adp5588_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
@@ -91,7 +234,7 @@ static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off)
}
static void adp5588_gpio_set_value(struct gpio_chip *chip,
- unsigned off, int val)
+ unsigned int off, int val)
{
struct adp5588_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
@@ -104,13 +247,47 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip,
else
kpad->dat_out[bank] &= ~bit;
- adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
- kpad->dat_out[bank]);
+ adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, kpad->dat_out[bank]);
+
+ mutex_unlock(&kpad->gpio_lock);
+}
+
+static int adp5588_gpio_set_config(struct gpio_chip *chip, unsigned int off,
+ unsigned long config)
+{
+ struct adp5588_kpad *kpad = gpiochip_get_data(chip);
+ unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
+ unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]);
+ bool pull_disable;
+ int ret;
+
+ switch (pinconf_to_config_param(config)) {
+ case PIN_CONFIG_BIAS_PULL_UP:
+ pull_disable = false;
+ break;
+ case PIN_CONFIG_BIAS_DISABLE:
+ pull_disable = true;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&kpad->gpio_lock);
+
+ if (pull_disable)
+ kpad->pull_dis[bank] |= bit;
+ else
+ kpad->pull_dis[bank] &= bit;
+
+ ret = adp5588_write(kpad->client, GPIO_PULL1 + bank,
+ kpad->pull_dis[bank]);
mutex_unlock(&kpad->gpio_lock);
+
+ return ret;
}
-static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
+static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned int off)
{
struct adp5588_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
@@ -128,7 +305,7 @@ static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off)
}
static int adp5588_gpio_direction_output(struct gpio_chip *chip,
- unsigned off, int val)
+ unsigned int off, int val)
{
struct adp5588_kpad *kpad = gpiochip_get_data(chip);
unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]);
@@ -145,17 +322,19 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip,
kpad->dat_out[bank] &= ~bit;
ret = adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank,
- kpad->dat_out[bank]);
- ret |= adp5588_write(kpad->client, GPIO_DIR1 + bank,
- kpad->dir[bank]);
+ kpad->dat_out[bank]);
+ if (ret)
+ goto out_unlock;
+ ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, kpad->dir[bank]);
+
+out_unlock:
mutex_unlock(&kpad->gpio_lock);
return ret;
}
-static int adp5588_build_gpiomap(struct adp5588_kpad *kpad,
- const struct adp5588_kpad_platform_data *pdata)
+static int adp5588_build_gpiomap(struct adp5588_kpad *kpad)
{
bool pin_used[ADP5588_MAXGPIO];
int n_unused = 0;
@@ -163,15 +342,12 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad,
memset(pin_used, 0, sizeof(pin_used));
- for (i = 0; i < pdata->rows; i++)
+ for (i = 0; i < kpad->rows; i++)
pin_used[i] = true;
- for (i = 0; i < pdata->cols; i++)
+ for (i = 0; i < kpad->cols; i++)
pin_used[i + GPI_PIN_COL_BASE - GPI_PIN_BASE] = true;
- for (i = 0; i < kpad->gpimapsize; i++)
- pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true;
-
for (i = 0; i < ADP5588_MAXGPIO; i++)
if (!pin_used[i])
kpad->gpiomap[n_unused++] = i;
@@ -179,40 +355,106 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad,
return n_unused;
}
+static void adp5588_irq_bus_lock(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct adp5588_kpad *kpad = gpiochip_get_data(gc);
+
+ mutex_lock(&kpad->gpio_lock);
+}
+
+static void adp5588_irq_bus_sync_unlock(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct adp5588_kpad *kpad = gpiochip_get_data(gc);
+ int i;
+
+ for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
+ if (kpad->int_en[i] ^ kpad->irq_mask[i]) {
+ kpad->int_en[i] = kpad->irq_mask[i];
+ adp5588_write(kpad->client, GPI_EM1 + i, kpad->int_en[i]);
+ }
+ }
+
+ mutex_unlock(&kpad->gpio_lock);
+}
+
+static void adp5588_irq_mask(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct adp5588_kpad *kpad = gpiochip_get_data(gc);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
+ unsigned long real_irq = kpad->gpiomap[hwirq];
+
+ kpad->irq_mask[ADP5588_BANK(real_irq)] &= ~ADP5588_BIT(real_irq);
+ gpiochip_disable_irq(gc, hwirq);
+}
+
+static void adp5588_irq_unmask(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct adp5588_kpad *kpad = gpiochip_get_data(gc);
+ irq_hw_number_t hwirq = irqd_to_hwirq(d);
+ unsigned long real_irq = kpad->gpiomap[hwirq];
+
+ gpiochip_enable_irq(gc, hwirq);
+ kpad->irq_mask[ADP5588_BANK(real_irq)] |= ADP5588_BIT(real_irq);
+}
+
+static int adp5588_irq_set_type(struct irq_data *d, unsigned int type)
+{
+ if (!(type & IRQ_TYPE_EDGE_BOTH))
+ return -EINVAL;
+
+ irq_set_handler_locked(d, handle_edge_irq);
+
+ return 0;
+}
+
+static const struct irq_chip adp5588_irq_chip = {
+ .name = "adp5588",
+ .irq_mask = adp5588_irq_mask,
+ .irq_unmask = adp5588_irq_unmask,
+ .irq_bus_lock = adp5588_irq_bus_lock,
+ .irq_bus_sync_unlock = adp5588_irq_bus_sync_unlock,
+ .irq_set_type = adp5588_irq_set_type,
+ .flags = IRQCHIP_SKIP_SET_WAKE | (1 << 11),
+};
+
static int adp5588_gpio_add(struct adp5588_kpad *kpad)
{
struct device *dev = &kpad->client->dev;
- const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
- const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
+ struct gpio_irq_chip *girq;
int i, error;
- if (!gpio_data)
- return 0;
-
- kpad->gc.ngpio = adp5588_build_gpiomap(kpad, pdata);
+ kpad->gc.ngpio = adp5588_build_gpiomap(kpad);
if (kpad->gc.ngpio == 0) {
dev_info(dev, "No unused gpios left to export\n");
return 0;
}
- kpad->export_gpio = true;
-
+ kpad->gc.parent = &kpad->client->dev;
kpad->gc.direction_input = adp5588_gpio_direction_input;
kpad->gc.direction_output = adp5588_gpio_direction_output;
kpad->gc.get = adp5588_gpio_get_value;
kpad->gc.set = adp5588_gpio_set_value;
+ kpad->gc.set_config = adp5588_gpio_set_config;
kpad->gc.can_sleep = 1;
- kpad->gc.base = gpio_data->gpio_start;
+ kpad->gc.base = -1;
kpad->gc.label = kpad->client->name;
kpad->gc.owner = THIS_MODULE;
- kpad->gc.names = gpio_data->names;
+
+ girq = &kpad->gc.irq;
+ girq->chip = (struct irq_chip *)&adp5588_irq_chip;
+ girq->handler = handle_bad_irq;
+ girq->threaded = true;
mutex_init(&kpad->gpio_lock);
- error = gpiochip_add_data(&kpad->gc, kpad);
+ error = devm_gpiochip_add_data(dev, &kpad->gc, kpad);
if (error) {
- dev_err(dev, "gpiochip_add failed, err: %d\n", error);
+ dev_err(dev, "gpiochip_add failed: %d\n", error);
return error;
}
@@ -220,82 +462,121 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad)
kpad->dat_out[i] = adp5588_read(kpad->client,
GPIO_DAT_OUT1 + i);
kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i);
- }
-
- if (gpio_data->setup) {
- error = gpio_data->setup(kpad->client,
- kpad->gc.base, kpad->gc.ngpio,
- gpio_data->context);
- if (error)
- dev_warn(dev, "setup failed, %d\n", error);
+ kpad->pull_dis[i] = adp5588_read(kpad->client, GPIO_PULL1 + i);
}
return 0;
}
-static void adp5588_gpio_remove(struct adp5588_kpad *kpad)
+static unsigned long adp5588_gpiomap_get_hwirq(struct device *dev,
+ const u8 *map, unsigned int gpio,
+ unsigned int ngpios)
{
- struct device *dev = &kpad->client->dev;
- const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev);
- const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
- int error;
+ unsigned int hwirq;
- if (!kpad->export_gpio)
- return;
+ for (hwirq = 0; hwirq < ngpios; hwirq++)
+ if (map[hwirq] == gpio)
+ return hwirq;
- if (gpio_data->teardown) {
- error = gpio_data->teardown(kpad->client,
- kpad->gc.base, kpad->gc.ngpio,
- gpio_data->context);
- if (error)
- dev_warn(dev, "teardown failed %d\n", error);
- }
+ /* should never happen */
+ dev_warn_ratelimited(dev, "could not find the hwirq for gpio(%u)\n", gpio);
- gpiochip_remove(&kpad->gc);
-}
-#else
-static inline int adp5588_gpio_add(struct adp5588_kpad *kpad)
-{
- return 0;
+ return ADP5588_INVALID_HWIRQ;
}
-static inline void adp5588_gpio_remove(struct adp5588_kpad *kpad)
+static void adp5588_gpio_irq_handle(struct adp5588_kpad *kpad, int key_val,
+ int key_press)
{
+ unsigned int irq, gpio = key_val - GPI_PIN_BASE, irq_type;
+ struct i2c_client *client = kpad->client;
+ struct irq_data *irqd;
+ unsigned long hwirq;
+
+ hwirq = adp5588_gpiomap_get_hwirq(&client->dev, kpad->gpiomap,
+ gpio, kpad->gc.ngpio);
+ if (hwirq == ADP5588_INVALID_HWIRQ) {
+ dev_err(&client->dev, "Could not get hwirq for key(%u)\n", key_val);
+ return;
+ }
+
+ irq = irq_find_mapping(kpad->gc.irq.domain, hwirq);
+ if (!irq)
+ return;
+
+ irqd = irq_get_irq_data(irq);
+ if (!irqd) {
+ dev_err(&client->dev, "Could not get irq(%u) data\n", irq);
+ return;
+ }
+
+ irq_type = irqd_get_trigger_type(irqd);
+
+ /*
+ * Default is active low which means key_press is asserted on
+ * the falling edge.
+ */
+ if ((irq_type & IRQ_TYPE_EDGE_RISING && !key_press) ||
+ (irq_type & IRQ_TYPE_EDGE_FALLING && key_press))
+ handle_nested_irq(irq);
}
-#endif
static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt)
{
- int i, j;
+ int i;
for (i = 0; i < ev_cnt; i++) {
- int key = adp5588_read(kpad->client, Key_EVENTA + i);
+ int key = adp5588_read(kpad->client, KEY_EVENTA + i);
int key_val = key & KEY_EV_MASK;
+ int key_press = key & KEY_EV_PRESSED;
if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) {
- for (j = 0; j < kpad->gpimapsize; j++) {
- if (key_val == kpad->gpimap[j].pin) {
- input_report_switch(kpad->input,
- kpad->gpimap[j].sw_evt,
- key & KEY_EV_PRESSED);
- break;
- }
- }
+ /* gpio line used as IRQ source */
+ adp5588_gpio_irq_handle(kpad, key_val, key_press);
} else {
+ int row = (key_val - 1) / ADP5588_COLS_MAX;
+ int col = (key_val - 1) % ADP5588_COLS_MAX;
+ int code = MATRIX_SCAN_CODE(row, col, kpad->row_shift);
+
+ dev_dbg_ratelimited(&kpad->client->dev,
+ "report key(%d) r(%d) c(%d) code(%d)\n",
+ key_val, row, col, kpad->keycode[code]);
+
input_report_key(kpad->input,
- kpad->keycode[key_val - 1],
- key & KEY_EV_PRESSED);
+ kpad->keycode[code], key_press);
}
}
}
-static void adp5588_work(struct work_struct *work)
+static irqreturn_t adp5588_hard_irq(int irq, void *handle)
+{
+ struct adp5588_kpad *kpad = handle;
+
+ kpad->irq_time = ktime_get();
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t adp5588_thread_irq(int irq, void *handle)
{
- struct adp5588_kpad *kpad = container_of(work,
- struct adp5588_kpad, work.work);
+ struct adp5588_kpad *kpad = handle;
struct i2c_client *client = kpad->client;
+ ktime_t target_time, now;
+ unsigned long delay;
int status, ev_cnt;
+ /*
+ * Readout needs to wait for at least 25ms after the notification
+ * for REVID < 4.
+ */
+ if (kpad->delay) {
+ target_time = ktime_add_ms(kpad->irq_time, kpad->delay);
+ now = ktime_get();
+ if (ktime_before(now, target_time)) {
+ delay = ktime_to_us(ktime_sub(target_time, now));
+ usleep_range(delay, delay + 1000);
+ }
+ }
+
status = adp5588_read(client, INT_STAT);
if (status & ADP5588_OVR_FLOW_INT) /* Unlikely and should never happen */
@@ -308,218 +589,199 @@ static void adp5588_work(struct work_struct *work)
input_sync(kpad->input);
}
}
- adp5588_write(client, INT_STAT, status); /* Status is W1C */
-}
-
-static irqreturn_t adp5588_irq(int irq, void *handle)
-{
- struct adp5588_kpad *kpad = handle;
-
- /*
- * use keventd context to read the event fifo registers
- * Schedule readout at least 25ms after notification for
- * REVID < 4
- */
- schedule_delayed_work(&kpad->work, kpad->delay);
+ adp5588_write(client, INT_STAT, status); /* Status is W1C */
return IRQ_HANDLED;
}
-static int adp5588_setup(struct i2c_client *client)
+static int adp5588_setup(struct adp5588_kpad *kpad)
{
- const struct adp5588_kpad_platform_data *pdata =
- dev_get_platdata(&client->dev);
- const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data;
+ struct i2c_client *client = kpad->client;
int i, ret;
- unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0;
- ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows));
- ret |= adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF);
- ret |= adp5588_write(client, KP_GPIO3, KP_SEL(pdata->cols) >> 8);
-
- if (pdata->en_keylock) {
- ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1);
- ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2);
- ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN);
- }
+ ret = adp5588_write(client, KP_GPIO1, KP_SEL(kpad->rows));
+ if (ret)
+ return ret;
- for (i = 0; i < KEYP_MAX_EVENT; i++)
- ret |= adp5588_read(client, Key_EVENTA);
+ ret = adp5588_write(client, KP_GPIO2, KP_SEL(kpad->cols) & 0xFF);
+ if (ret)
+ return ret;
- for (i = 0; i < pdata->gpimapsize; i++) {
- unsigned short pin = pdata->gpimap[i].pin;
+ ret = adp5588_write(client, KP_GPIO3, KP_SEL(kpad->cols) >> 8);
+ if (ret)
+ return ret;
- if (pin <= GPI_PIN_ROW_END) {
- evt_mode1 |= (1 << (pin - GPI_PIN_ROW_BASE));
- } else {
- evt_mode2 |= ((1 << (pin - GPI_PIN_COL_BASE)) & 0xFF);
- evt_mode3 |= ((1 << (pin - GPI_PIN_COL_BASE)) >> 8);
- }
+ for (i = 0; i < kpad->nkeys_unlock; i++) {
+ ret = adp5588_write(client, UNLOCK1 + i, kpad->unlock_keys[i]);
+ if (ret)
+ return ret;
}
- if (pdata->gpimapsize) {
- ret |= adp5588_write(client, GPI_EM1, evt_mode1);
- ret |= adp5588_write(client, GPI_EM2, evt_mode2);
- ret |= adp5588_write(client, GPI_EM3, evt_mode3);
+ if (kpad->nkeys_unlock) {
+ ret = adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN);
+ if (ret)
+ return ret;
}
- if (gpio_data) {
- for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) {
- int pull_mask = gpio_data->pullup_dis_mask;
-
- ret |= adp5588_write(client, GPIO_PULL1 + i,
- (pull_mask >> (8 * i)) & 0xFF);
- }
+ for (i = 0; i < KEYP_MAX_EVENT; i++) {
+ ret = adp5588_read(client, KEY_EVENTA);
+ if (ret)
+ return ret;
}
- ret |= adp5588_write(client, INT_STAT,
- ADP5588_CMP2_INT | ADP5588_CMP1_INT |
- ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT |
- ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */
+ ret = adp5588_write(client, INT_STAT,
+ ADP5588_CMP2_INT | ADP5588_CMP1_INT |
+ ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT |
+ ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */
+ if (ret)
+ return ret;
- ret |= adp5588_write(client, CFG, ADP5588_INT_CFG |
- ADP5588_OVR_FLOW_IEN |
- ADP5588_KE_IEN);
+ return adp5588_write(client, CFG, ADP5588_INT_CFG |
+ ADP5588_OVR_FLOW_IEN | ADP5588_KE_IEN);
+}
+
+static int adp5588_fw_parse(struct adp5588_kpad *kpad)
+{
+ struct i2c_client *client = kpad->client;
+ int ret, i;
- if (ret < 0) {
- dev_err(&client->dev, "Write Error\n");
+ ret = matrix_keypad_parse_properties(&client->dev, &kpad->rows,
+ &kpad->cols);
+ if (ret)
return ret;
+
+ if (kpad->rows > ADP5588_ROWS_MAX || kpad->cols > ADP5588_COLS_MAX) {
+ dev_err(&client->dev, "Invalid nr of rows(%u) or cols(%u)\n",
+ kpad->rows, kpad->cols);
+ return -EINVAL;
}
- return 0;
-}
+ ret = matrix_keypad_build_keymap(NULL, NULL, kpad->rows, kpad->cols,
+ kpad->keycode, kpad->input);
+ if (ret)
+ return ret;
-static void adp5588_report_switch_state(struct adp5588_kpad *kpad)
-{
- int gpi_stat1 = adp5588_read(kpad->client, GPIO_DAT_STAT1);
- int gpi_stat2 = adp5588_read(kpad->client, GPIO_DAT_STAT2);
- int gpi_stat3 = adp5588_read(kpad->client, GPIO_DAT_STAT3);
- int gpi_stat_tmp, pin_loc;
- int i;
+ kpad->row_shift = get_count_order(kpad->cols);
- for (i = 0; i < kpad->gpimapsize; i++) {
- unsigned short pin = kpad->gpimap[i].pin;
+ if (device_property_read_bool(&client->dev, "autorepeat"))
+ __set_bit(EV_REP, kpad->input->evbit);
- if (pin <= GPI_PIN_ROW_END) {
- gpi_stat_tmp = gpi_stat1;
- pin_loc = pin - GPI_PIN_ROW_BASE;
- } else if ((pin - GPI_PIN_COL_BASE) < 8) {
- gpi_stat_tmp = gpi_stat2;
- pin_loc = pin - GPI_PIN_COL_BASE;
- } else {
- gpi_stat_tmp = gpi_stat3;
- pin_loc = pin - GPI_PIN_COL_BASE - 8;
- }
+ kpad->nkeys_unlock = device_property_count_u32(&client->dev,
+ "adi,unlock-keys");
+ if (kpad->nkeys_unlock <= 0) {
+ /* so that we don't end up enabling key lock */
+ kpad->nkeys_unlock = 0;
+ return 0;
+ }
+
+ if (kpad->nkeys_unlock > ARRAY_SIZE(kpad->unlock_keys)) {
+ dev_err(&client->dev, "number of unlock keys(%d) > (%zu)\n",
+ kpad->nkeys_unlock, ARRAY_SIZE(kpad->unlock_keys));
+ return -EINVAL;
+ }
- if (gpi_stat_tmp < 0) {
- dev_err(&kpad->client->dev,
- "Can't read GPIO_DAT_STAT switch %d default to OFF\n",
- pin);
- gpi_stat_tmp = 0;
+ ret = device_property_read_u32_array(&client->dev, "adi,unlock-keys",
+ kpad->unlock_keys,
+ kpad->nkeys_unlock);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < kpad->nkeys_unlock; i++) {
+ /*
+ * Even though it should be possible (as stated in the datasheet)
+ * to use GPIs (which are part of the keys event) as unlock keys,
+ * it was not working at all and was leading to overflow events
+ * at some point. Hence, for now, let's just allow keys which are
+ * part of keypad matrix to be used and if a reliable way of
+ * using GPIs is found, this condition can be removed/lightened.
+ */
+ if (kpad->unlock_keys[i] >= kpad->cols * kpad->rows) {
+ dev_err(&client->dev, "Invalid unlock key(%d)\n",
+ kpad->unlock_keys[i]);
+ return -EINVAL;
}
- input_report_switch(kpad->input,
- kpad->gpimap[i].sw_evt,
- !(gpi_stat_tmp & (1 << pin_loc)));
+ /*
+ * Firmware properties keys start from 0 but on the device they
+ * start from 1.
+ */
+ kpad->unlock_keys[i] += 1;
}
- input_sync(kpad->input);
+ return 0;
}
+static void adp5588_disable_regulator(void *reg)
+{
+ regulator_disable(reg);
+}
static int adp5588_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct adp5588_kpad *kpad;
- const struct adp5588_kpad_platform_data *pdata =
- dev_get_platdata(&client->dev);
struct input_dev *input;
+ struct gpio_desc *gpio;
+ struct regulator *vcc;
unsigned int revid;
- int ret, i;
+ int ret;
int error;
if (!i2c_check_functionality(client->adapter,
- I2C_FUNC_SMBUS_BYTE_DATA)) {
+ I2C_FUNC_SMBUS_BYTE_DATA)) {
dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
return -EIO;
}
- if (!pdata) {
- dev_err(&client->dev, "no platform data?\n");
- return -EINVAL;
- }
-
- if (!pdata->rows || !pdata->cols || !pdata->keymap) {
- dev_err(&client->dev, "no rows, cols or keymap from pdata\n");
- return -EINVAL;
- }
+ kpad = devm_kzalloc(&client->dev, sizeof(*kpad), GFP_KERNEL);
+ if (!kpad)
+ return -ENOMEM;
- if (pdata->keymapsize != ADP5588_KEYMAPSIZE) {
- dev_err(&client->dev, "invalid keymapsize\n");
- return -EINVAL;
- }
+ input = devm_input_allocate_device(&client->dev);
+ if (!input)
+ return -ENOMEM;
- if (!pdata->gpimap && pdata->gpimapsize) {
- dev_err(&client->dev, "invalid gpimap from pdata\n");
- return -EINVAL;
- }
+ kpad->client = client;
+ kpad->input = input;
- if (pdata->gpimapsize > ADP5588_GPIMAPSIZE_MAX) {
- dev_err(&client->dev, "invalid gpimapsize\n");
- return -EINVAL;
- }
+ error = adp5588_fw_parse(kpad);
+ if (error)
+ return error;
- for (i = 0; i < pdata->gpimapsize; i++) {
- unsigned short pin = pdata->gpimap[i].pin;
+ vcc = devm_regulator_get(&client->dev, "vcc");
+ if (IS_ERR(vcc))
+ return PTR_ERR(vcc);
- if (pin < GPI_PIN_BASE || pin > GPI_PIN_END) {
- dev_err(&client->dev, "invalid gpi pin data\n");
- return -EINVAL;
- }
+ error = regulator_enable(vcc);
+ if (error)
+ return error;
- if (pin <= GPI_PIN_ROW_END) {
- if (pin - GPI_PIN_ROW_BASE + 1 <= pdata->rows) {
- dev_err(&client->dev, "invalid gpi row data\n");
- return -EINVAL;
- }
- } else {
- if (pin - GPI_PIN_COL_BASE + 1 <= pdata->cols) {
- dev_err(&client->dev, "invalid gpi col data\n");
- return -EINVAL;
- }
- }
- }
+ error = devm_add_action_or_reset(&client->dev,
+ adp5588_disable_regulator, vcc);
+ if (error)
+ return error;
- if (!client->irq) {
- dev_err(&client->dev, "no IRQ?\n");
- return -EINVAL;
- }
+ gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH);
+ if (IS_ERR(gpio))
+ return PTR_ERR(gpio);
- kpad = kzalloc(sizeof(*kpad), GFP_KERNEL);
- input = input_allocate_device();
- if (!kpad || !input) {
- error = -ENOMEM;
- goto err_free_mem;
+ if (gpio) {
+ fsleep(30);
+ gpiod_set_value_cansleep(gpio, 0);
+ fsleep(60);
}
- kpad->client = client;
- kpad->input = input;
- INIT_DELAYED_WORK(&kpad->work, adp5588_work);
-
ret = adp5588_read(client, DEV_ID);
- if (ret < 0) {
- error = ret;
- goto err_free_mem;
- }
+ if (ret < 0)
+ return ret;
- revid = (u8) ret & ADP5588_DEVICE_ID_MASK;
+ revid = ret & ADP5588_DEVICE_ID_MASK;
if (WA_DELAYED_READOUT_REVID(revid))
- kpad->delay = msecs_to_jiffies(30);
+ kpad->delay = msecs_to_jiffies(WA_DELAYED_READOUT_TIME);
input->name = client->name;
input->phys = "adp5588-keys/input0";
- input->dev.parent = &client->dev;
input_set_drvdata(input, kpad);
@@ -528,112 +790,54 @@ static int adp5588_probe(struct i2c_client *client,
input->id.product = 0x0001;
input->id.version = revid;
- input->keycodesize = sizeof(kpad->keycode[0]);
- input->keycodemax = pdata->keymapsize;
- input->keycode = kpad->keycode;
-
- memcpy(kpad->keycode, pdata->keymap,
- pdata->keymapsize * input->keycodesize);
-
- kpad->gpimap = pdata->gpimap;
- kpad->gpimapsize = pdata->gpimapsize;
-
- /* setup input device */
- __set_bit(EV_KEY, input->evbit);
-
- if (pdata->repeat)
- __set_bit(EV_REP, input->evbit);
-
- for (i = 0; i < input->keycodemax; i++)
- if (kpad->keycode[i] <= KEY_MAX)
- __set_bit(kpad->keycode[i], input->keybit);
- __clear_bit(KEY_RESERVED, input->keybit);
-
- if (kpad->gpimapsize)
- __set_bit(EV_SW, input->evbit);
- for (i = 0; i < kpad->gpimapsize; i++)
- __set_bit(kpad->gpimap[i].sw_evt, input->swbit);
-
error = input_register_device(input);
if (error) {
- dev_err(&client->dev, "unable to register input device\n");
- goto err_free_mem;
- }
-
- error = request_irq(client->irq, adp5588_irq,
- IRQF_TRIGGER_FALLING,
- client->dev.driver->name, kpad);
- if (error) {
- dev_err(&client->dev, "irq %d busy?\n", client->irq);
- goto err_unreg_dev;
+ dev_err(&client->dev, "unable to register input device: %d\n",
+ error);
+ return error;
}
- error = adp5588_setup(client);
+ error = adp5588_setup(kpad);
if (error)
- goto err_free_irq;
-
- if (kpad->gpimapsize)
- adp5588_report_switch_state(kpad);
+ return error;
error = adp5588_gpio_add(kpad);
if (error)
- goto err_free_irq;
+ return error;
- device_init_wakeup(&client->dev, 1);
- i2c_set_clientdata(client, kpad);
+ error = devm_request_threaded_irq(&client->dev, client->irq,
+ adp5588_hard_irq, adp5588_thread_irq,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ client->dev.driver->name, kpad);
+ if (error) {
+ dev_err(&client->dev, "failed to request irq %d: %d\n",
+ client->irq, error);
+ return error;
+ }
dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq);
return 0;
-
- err_free_irq:
- free_irq(client->irq, kpad);
- cancel_delayed_work_sync(&kpad->work);
- err_unreg_dev:
- input_unregister_device(input);
- input = NULL;
- err_free_mem:
- input_free_device(input);
- kfree(kpad);
-
- return error;
}
static int adp5588_remove(struct i2c_client *client)
{
- struct adp5588_kpad *kpad = i2c_get_clientdata(client);
-
adp5588_write(client, CFG, 0);
- free_irq(client->irq, kpad);
- cancel_delayed_work_sync(&kpad->work);
- input_unregister_device(kpad->input);
- adp5588_gpio_remove(kpad);
- kfree(kpad);
-
+ /* all resources will be freed by devm */
return 0;
}
-#ifdef CONFIG_PM
static int adp5588_suspend(struct device *dev)
{
- struct adp5588_kpad *kpad = dev_get_drvdata(dev);
- struct i2c_client *client = kpad->client;
+ struct i2c_client *client = to_i2c_client(dev);
disable_irq(client->irq);
- cancel_delayed_work_sync(&kpad->work);
-
- if (device_may_wakeup(&client->dev))
- enable_irq_wake(client->irq);
return 0;
}
static int adp5588_resume(struct device *dev)
{
- struct adp5588_kpad *kpad = dev_get_drvdata(dev);
- struct i2c_client *client = kpad->client;
-
- if (device_may_wakeup(&client->dev))
- disable_irq_wake(client->irq);
+ struct i2c_client *client = to_i2c_client(dev);
enable_irq(client->irq);
@@ -644,7 +848,6 @@ static const struct dev_pm_ops adp5588_dev_pm_ops = {
.suspend = adp5588_suspend,
.resume = adp5588_resume,
};
-#endif
static const struct i2c_device_id adp5588_id[] = {
{ "adp5588-keys", 0 },
@@ -653,12 +856,18 @@ static const struct i2c_device_id adp5588_id[] = {
};
MODULE_DEVICE_TABLE(i2c, adp5588_id);
+static const struct of_device_id adp5588_of_match[] = {
+ { .compatible = "adi,adp5588" },
+ { .compatible = "adi,adp5587" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, adp5588_of_match);
+
static struct i2c_driver adp5588_driver = {
.driver = {
.name = KBUILD_MODNAME,
-#ifdef CONFIG_PM
+ .of_match_table = adp5588_of_match,
.pm = &adp5588_dev_pm_ops,
-#endif
},
.probe = adp5588_probe,
.remove = adp5588_remove,
deleted file mode 100644
@@ -1,171 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller
- *
- * Copyright 2009-2010 Analog Devices Inc.
- */
-
-#ifndef _ADP5588_H
-#define _ADP5588_H
-
-#define DEV_ID 0x00 /* Device ID */
-#define CFG 0x01 /* Configuration Register1 */
-#define INT_STAT 0x02 /* Interrupt Status Register */
-#define KEY_LCK_EC_STAT 0x03 /* Key Lock and Event Counter Register */
-#define Key_EVENTA 0x04 /* Key Event Register A */
-#define Key_EVENTB 0x05 /* Key Event Register B */
-#define Key_EVENTC 0x06 /* Key Event Register C */
-#define Key_EVENTD 0x07 /* Key Event Register D */
-#define Key_EVENTE 0x08 /* Key Event Register E */
-#define Key_EVENTF 0x09 /* Key Event Register F */
-#define Key_EVENTG 0x0A /* Key Event Register G */
-#define Key_EVENTH 0x0B /* Key Event Register H */
-#define Key_EVENTI 0x0C /* Key Event Register I */
-#define Key_EVENTJ 0x0D /* Key Event Register J */
-#define KP_LCK_TMR 0x0E /* Keypad Lock1 to Lock2 Timer */
-#define UNLOCK1 0x0F /* Unlock Key1 */
-#define UNLOCK2 0x10 /* Unlock Key2 */
-#define GPIO_INT_STAT1 0x11 /* GPIO Interrupt Status */
-#define GPIO_INT_STAT2 0x12 /* GPIO Interrupt Status */
-#define GPIO_INT_STAT3 0x13 /* GPIO Interrupt Status */
-#define GPIO_DAT_STAT1 0x14 /* GPIO Data Status, Read twice to clear */
-#define GPIO_DAT_STAT2 0x15 /* GPIO Data Status, Read twice to clear */
-#define GPIO_DAT_STAT3 0x16 /* GPIO Data Status, Read twice to clear */
-#define GPIO_DAT_OUT1 0x17 /* GPIO DATA OUT */
-#define GPIO_DAT_OUT2 0x18 /* GPIO DATA OUT */
-#define GPIO_DAT_OUT3 0x19 /* GPIO DATA OUT */
-#define GPIO_INT_EN1 0x1A /* GPIO Interrupt Enable */
-#define GPIO_INT_EN2 0x1B /* GPIO Interrupt Enable */
-#define GPIO_INT_EN3 0x1C /* GPIO Interrupt Enable */
-#define KP_GPIO1 0x1D /* Keypad or GPIO Selection */
-#define KP_GPIO2 0x1E /* Keypad or GPIO Selection */
-#define KP_GPIO3 0x1F /* Keypad or GPIO Selection */
-#define GPI_EM1 0x20 /* GPI Event Mode 1 */
-#define GPI_EM2 0x21 /* GPI Event Mode 2 */
-#define GPI_EM3 0x22 /* GPI Event Mode 3 */
-#define GPIO_DIR1 0x23 /* GPIO Data Direction */
-#define GPIO_DIR2 0x24 /* GPIO Data Direction */
-#define GPIO_DIR3 0x25 /* GPIO Data Direction */
-#define GPIO_INT_LVL1 0x26 /* GPIO Edge/Level Detect */
-#define GPIO_INT_LVL2 0x27 /* GPIO Edge/Level Detect */
-#define GPIO_INT_LVL3 0x28 /* GPIO Edge/Level Detect */
-#define Debounce_DIS1 0x29 /* Debounce Disable */
-#define Debounce_DIS2 0x2A /* Debounce Disable */
-#define Debounce_DIS3 0x2B /* Debounce Disable */
-#define GPIO_PULL1 0x2C /* GPIO Pull Disable */
-#define GPIO_PULL2 0x2D /* GPIO Pull Disable */
-#define GPIO_PULL3 0x2E /* GPIO Pull Disable */
-#define CMP_CFG_STAT 0x30 /* Comparator Configuration and Status Register */
-#define CMP_CONFG_SENS1 0x31 /* Sensor1 Comparator Configuration Register */
-#define CMP_CONFG_SENS2 0x32 /* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */
-#define CMP1_LVL2_TRIP 0x33 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */
-#define CMP1_LVL2_HYS 0x34 /* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */
-#define CMP1_LVL3_TRIP 0x35 /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */
-#define CMP1_LVL3_HYS 0x36 /* Sensor 2 Comparator Configuration Register */
-#define CMP2_LVL2_TRIP 0x37 /* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */
-#define CMP2_LVL2_HYS 0x38 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */
-#define CMP2_LVL3_TRIP 0x39 /* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */
-#define CMP2_LVL3_HYS 0x3A /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */
-#define CMP1_ADC_DAT_R1 0x3B /* Comparator 1 ADC data Register1 */
-#define CMP1_ADC_DAT_R2 0x3C /* Comparator 1 ADC data Register2 */
-#define CMP2_ADC_DAT_R1 0x3D /* Comparator 2 ADC data Register1 */
-#define CMP2_ADC_DAT_R2 0x3E /* Comparator 2 ADC data Register2 */
-
-#define ADP5588_DEVICE_ID_MASK 0xF
-
- /* Configuration Register1 */
-#define ADP5588_AUTO_INC (1 << 7)
-#define ADP5588_GPIEM_CFG (1 << 6)
-#define ADP5588_OVR_FLOW_M (1 << 5)
-#define ADP5588_INT_CFG (1 << 4)
-#define ADP5588_OVR_FLOW_IEN (1 << 3)
-#define ADP5588_K_LCK_IM (1 << 2)
-#define ADP5588_GPI_IEN (1 << 1)
-#define ADP5588_KE_IEN (1 << 0)
-
-/* Interrupt Status Register */
-#define ADP5588_CMP2_INT (1 << 5)
-#define ADP5588_CMP1_INT (1 << 4)
-#define ADP5588_OVR_FLOW_INT (1 << 3)
-#define ADP5588_K_LCK_INT (1 << 2)
-#define ADP5588_GPI_INT (1 << 1)
-#define ADP5588_KE_INT (1 << 0)
-
-/* Key Lock and Event Counter Register */
-#define ADP5588_K_LCK_EN (1 << 6)
-#define ADP5588_LCK21 0x30
-#define ADP5588_KEC 0xF
-
-#define ADP5588_MAXGPIO 18
-#define ADP5588_BANK(offs) ((offs) >> 3)
-#define ADP5588_BIT(offs) (1u << ((offs) & 0x7))
-
-/* Put one of these structures in i2c_board_info platform_data */
-
-#define ADP5588_KEYMAPSIZE 80
-
-#define GPI_PIN_ROW0 97
-#define GPI_PIN_ROW1 98
-#define GPI_PIN_ROW2 99
-#define GPI_PIN_ROW3 100
-#define GPI_PIN_ROW4 101
-#define GPI_PIN_ROW5 102
-#define GPI_PIN_ROW6 103
-#define GPI_PIN_ROW7 104
-#define GPI_PIN_COL0 105
-#define GPI_PIN_COL1 106
-#define GPI_PIN_COL2 107
-#define GPI_PIN_COL3 108
-#define GPI_PIN_COL4 109
-#define GPI_PIN_COL5 110
-#define GPI_PIN_COL6 111
-#define GPI_PIN_COL7 112
-#define GPI_PIN_COL8 113
-#define GPI_PIN_COL9 114
-
-#define GPI_PIN_ROW_BASE GPI_PIN_ROW0
-#define GPI_PIN_ROW_END GPI_PIN_ROW7
-#define GPI_PIN_COL_BASE GPI_PIN_COL0
-#define GPI_PIN_COL_END GPI_PIN_COL9
-
-#define GPI_PIN_BASE GPI_PIN_ROW_BASE
-#define GPI_PIN_END GPI_PIN_COL_END
-
-#define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1)
-
-struct adp5588_gpi_map {
- unsigned short pin;
- unsigned short sw_evt;
-};
-
-struct adp5588_kpad_platform_data {
- int rows; /* Number of rows */
- int cols; /* Number of columns */
- const unsigned short *keymap; /* Pointer to keymap */
- unsigned short keymapsize; /* Keymap size */
- unsigned repeat:1; /* Enable key repeat */
- unsigned en_keylock:1; /* Enable Key Lock feature */
- unsigned short unlock_key1; /* Unlock Key 1 */
- unsigned short unlock_key2; /* Unlock Key 2 */
- const struct adp5588_gpi_map *gpimap;
- unsigned short gpimapsize;
- const struct adp5588_gpio_platform_data *gpio_data;
-};
-
-struct i2c_client; /* forward declaration */
-
-struct adp5588_gpio_platform_data {
- int gpio_start; /* GPIO Chip base # */
- const char *const *names;
- unsigned irq_base; /* interrupt base # */
- unsigned pullup_dis_mask; /* Pull-Up Disable Mask */
- int (*setup)(struct i2c_client *client,
- unsigned gpio, unsigned ngpio,
- void *context);
- int (*teardown)(struct i2c_client *client,
- unsigned gpio, unsigned ngpio,
- void *context);
- void *context;
-};
-
-#endif