@@ -8,6 +8,7 @@
* Copyright (C) 2008-2010 Analog Devices Inc.
*/
+#include <linux/bits.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/gpio/driver.h>
@@ -29,16 +30,16 @@
#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 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 */
@@ -66,9 +67,9 @@
#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 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 */
@@ -91,27 +92,27 @@
#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)
+#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 (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)
+#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 (1 << 6)
+#define ADP5588_K_LCK_EN BIT(6)
#define ADP5588_LCK21 0x30
-#define ADP5588_KEC 0xF
+#define ADP5588_KEC GENMASK(3, 0)
#define ADP5588_MAXGPIO 18
#define ADP5588_BANK(offs) ((offs) >> 3)
@@ -158,10 +159,10 @@
#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
@@ -211,7 +212,7 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val)
return i2c_smbus_write_byte_data(client, reg, val);
}
-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]);
@@ -231,7 +232,7 @@ 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]);
@@ -244,8 +245,7 @@ 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);
}
@@ -284,7 +284,7 @@ static int adp5588_gpio_set_config(struct gpio_chip *chip, unsigned int off,
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]);
@@ -302,7 +302,7 @@ 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]);
@@ -319,12 +319,11 @@ 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]);
+ kpad->dat_out[bank]);
if (ret)
goto out_unlock;
- ret = adp5588_write(kpad->client, GPIO_DIR1 + bank,
- kpad->dir[bank]);
+ ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, kpad->dir[bank]);
out_unlock:
mutex_unlock(&kpad->gpio_lock);
@@ -524,7 +523,7 @@ static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt)
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;
@@ -624,21 +623,20 @@ static int adp5588_setup(struct adp5588_kpad *kpad)
}
for (i = 0; i < KEYP_MAX_EVENT; i++) {
- ret = adp5588_read(client, Key_EVENTA);
+ 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 */
+ 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;
return adp5588_write(client, CFG, ADP5588_INT_CFG |
- ADP5588_OVR_FLOW_IEN |
- ADP5588_KE_IEN);
+ ADP5588_OVR_FLOW_IEN | ADP5588_KE_IEN);
}
static int adp5588_fw_parse(struct adp5588_kpad *kpad)
@@ -722,7 +720,7 @@ static int adp5588_probe(struct i2c_client *client,
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;
}
@@ -746,7 +744,7 @@ static int adp5588_probe(struct i2c_client *client,
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(WA_DELAYED_READOUT_TIME);