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mfd: 88pm860x: Use REG in leds resource

Bladeren bron 
Since the resources of 88pm860x leds are changed from IORESOURCE_IO
to IORESOURCE_REG that is register offset, change the original
self-defined IORESOURCE_IO to register offset.

Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Haojian Zhuang
2012-08-08 23:17:27 +08:00
gecommit door Samuel Ortiz
bovenliggende a6ccdcd98c
commit 894fc8f2c2
3 gewijzigde bestanden met toevoegingen van 143 en 159 verwijderingen
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176
drivers/leds/leds-88pm860x.c
Bestand weergeven

@@ -20,18 +20,12 @@
#include <linux/mfd/88pm860x.h>
#include <linux/module.h>
#define LED_PWM_SHIFT (3)
#define LED_PWM_MASK (0x1F)
#define LED_CURRENT_MASK (0x07 << 5)
#define LED_BLINK_ON_MASK (0x07)
#define LED_BLINK_MASK (0x7F)
#define LED_BLINK_ON(x) ((x & 0x7) * 66 + 66)
#define LED_BLINK_ON_MIN LED_BLINK_ON(0)
#define LED_BLINK_ON_MAX LED_BLINK_ON(0x7)
#define LED_ON_CONTINUOUS (0x0F << 3)
#define LED_TO_ON(x) ((x - 66) / 66)
#define LED1_BLINK_EN (1 << 1)
#define LED2_BLINK_EN (1 << 2)
@@ -49,85 +43,25 @@ struct pm860x_led {
unsigned char brightness;
unsigned char current_brightness;
int blink_data;
int blink_time;
int blink_on;
int blink_off;
int reg_control;
int reg_blink;
int blink_mask;
};
/* return offset of color register */
static inline int __led_off(int port)
{
int ret = -EINVAL;
switch (port) {
case PM8606_LED1_RED:
case PM8606_LED1_GREEN:
case PM8606_LED1_BLUE:
ret = port - PM8606_LED1_RED + PM8606_RGB1B;
break;
case PM8606_LED2_RED:
case PM8606_LED2_GREEN:
case PM8606_LED2_BLUE:
ret = port - PM8606_LED2_RED + PM8606_RGB2B;
break;
}
return ret;
}
/* return offset of blink register */
static inline int __blink_off(int port)
{
int ret = -EINVAL;
switch (port) {
case PM8606_LED1_RED:
case PM8606_LED1_GREEN:
case PM8606_LED1_BLUE:
ret = PM8606_RGB1A;
break;
case PM8606_LED2_RED:
case PM8606_LED2_GREEN:
case PM8606_LED2_BLUE:
ret = PM8606_RGB2A;
break;
}
return ret;
}
static inline int __blink_ctl_mask(int port)
{
int ret = -EINVAL;
switch (port) {
case PM8606_LED1_RED:
case PM8606_LED1_GREEN:
case PM8606_LED1_BLUE:
ret = LED1_BLINK_EN;
break;
case PM8606_LED2_RED:
case PM8606_LED2_GREEN:
case PM8606_LED2_BLUE:
ret = LED2_BLINK_EN;
break;
}
return ret;
}
static int led_power_set(struct pm860x_chip *chip, int port, int on)
{
int ret = -EINVAL;
switch (port) {
case PM8606_LED1_RED:
case PM8606_LED1_GREEN:
case PM8606_LED1_BLUE:
case 0:
case 1:
case 2:
ret = on ? pm8606_osc_enable(chip, RGB1_ENABLE) :
pm8606_osc_disable(chip, RGB1_ENABLE);
break;
case PM8606_LED2_RED:
case PM8606_LED2_GREEN:
case PM8606_LED2_BLUE:
case 3:
case 4:
case 5:
ret = on ? pm8606_osc_enable(chip, RGB2_ENABLE) :
pm8606_osc_disable(chip, RGB2_ENABLE);
break;
@@ -141,7 +75,7 @@ static void pm860x_led_work(struct work_struct *work)
struct pm860x_led *led;
struct pm860x_chip *chip;
unsigned char buf[3];
int mask, ret;
int ret;
led = container_of(work, struct pm860x_led, work);
chip = led->chip;
@@ -149,34 +83,34 @@ static void pm860x_led_work(struct work_struct *work)
if ((led->current_brightness == 0) && led->brightness) {
led_power_set(chip, led->port, 1);
if (led->iset) {
pm860x_set_bits(led->i2c, __led_off(led->port),
pm860x_set_bits(led->i2c, led->reg_control,
LED_CURRENT_MASK, led->iset);
}
pm860x_set_bits(led->i2c, __blink_off(led->port),
pm860x_set_bits(led->i2c, led->reg_blink,
LED_BLINK_MASK, LED_ON_CONTINUOUS);
mask = __blink_ctl_mask(led->port);
pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, mask);
pm860x_set_bits(led->i2c, PM8606_WLED3B, led->blink_mask,
led->blink_mask);
}
pm860x_set_bits(led->i2c, __led_off(led->port), LED_PWM_MASK,
pm860x_set_bits(led->i2c, led->reg_control, LED_PWM_MASK,
led->brightness);
if (led->brightness == 0) {
pm860x_bulk_read(led->i2c, __led_off(led->port), 3, buf);
pm860x_bulk_read(led->i2c, led->reg_control, 3, buf);
ret = buf[0] & LED_PWM_MASK;
ret |= buf[1] & LED_PWM_MASK;
ret |= buf[2] & LED_PWM_MASK;
if (ret == 0) {
/* unset current since no led is lighting */
pm860x_set_bits(led->i2c, __led_off(led->port),
pm860x_set_bits(led->i2c, led->reg_control,
LED_CURRENT_MASK, 0);
mask = __blink_ctl_mask(led->port);
pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, 0);
pm860x_set_bits(led->i2c, PM8606_WLED3B,
led->blink_mask, 0);
led_power_set(chip, led->port, 0);
}
}
led->current_brightness = led->brightness;
dev_dbg(chip->dev, "Update LED. (reg:%d, brightness:%d)\n",
__led_off(led->port), led->brightness);
led->reg_control, led->brightness);
mutex_unlock(&led->lock);
}
@@ -192,36 +126,61 @@ static void pm860x_led_set(struct led_classdev *cdev,
static int pm860x_led_probe(struct platform_device *pdev)
{
struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
struct pm860x_led_pdata *pdata;
struct pm860x_led_pdata *pdata = pdev->dev.platform_data;
struct pm860x_led *data;
struct resource *res;
int ret;
res = platform_get_resource(pdev, IORESOURCE_REG, 0);
if (res == NULL) {
dev_err(&pdev->dev, "No I/O resource!\n");
return -EINVAL;
}
pdata = pdev->dev.platform_data;
if (pdata == NULL) {
dev_err(&pdev->dev, "No platform data!\n");
return -EINVAL;
}
int ret = 0;
data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_led), GFP_KERNEL);
if (data == NULL)
return -ENOMEM;
strncpy(data->name, res->name, MFD_NAME_SIZE - 1);
res = platform_get_resource_byname(pdev, IORESOURCE_REG, "control");
if (!res) {
dev_err(&pdev->dev, "No REG resource for control\n");
ret = -ENXIO;
goto out;
}
data->reg_control = res->start;
res = platform_get_resource_byname(pdev, IORESOURCE_REG, "blink");
if (!res) {
dev_err(&pdev->dev, "No REG resource for blink\n");
ret = -ENXIO;
goto out;
}
data->reg_blink = res->start;
memset(data->name, 0, MFD_NAME_SIZE);
switch (pdev->id) {
case 0:
data->blink_mask = LED1_BLINK_EN;
sprintf(data->name, "led0-red");
break;
case 1:
data->blink_mask = LED1_BLINK_EN;
sprintf(data->name, "led0-green");
break;
case 2:
data->blink_mask = LED1_BLINK_EN;
sprintf(data->name, "led0-blue");
break;
case 3:
data->blink_mask = LED2_BLINK_EN;
sprintf(data->name, "led1-red");
break;
case 4:
data->blink_mask = LED2_BLINK_EN;
sprintf(data->name, "led1-green");
break;
case 5:
data->blink_mask = LED2_BLINK_EN;
sprintf(data->name, "led1-blue");
break;
}
dev_set_drvdata(&pdev->dev, data);
data->chip = chip;
data->i2c = (chip->id == CHIP_PM8606) ? chip->client : chip->companion;
data->iset = pdata->iset;
data->port = pdata->flags;
if (data->port < 0) {
dev_err(&pdev->dev, "check device failed\n");
return -EINVAL;
}
data->port = pdev->id;
if (pdata && pdata->iset)
data->iset = pdata->iset;
data->current_brightness = 0;
data->cdev.name = data->name;
@@ -236,6 +195,9 @@ static int pm860x_led_probe(struct platform_device *pdev)
}
pm860x_led_set(&data->cdev, 0);
return 0;
out:
devm_kfree(&pdev->dev, data);
return ret;
}
static int pm860x_led_remove(struct platform_device *pdev)