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yaml
---
r: 186886
b: refs/heads/master
c: a16122b
h: refs/heads/master
v: v3
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Haojian Zhuang authored and Samuel Ortiz committed Mar 7, 2010
1 parent 9ac0db3 commit cd7a8a8
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2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5c42e8c4a9c86ea26ed4ecb732a842dea0dfb6b6
refs/heads/master: a16122bcacf050e7f83015183053cf799713cc37
217 changes: 205 additions & 12 deletions trunk/drivers/mfd/88pm860x-core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,100 @@
#include <linux/mfd/core.h>
#include <linux/mfd/88pm860x.h>

char pm860x_backlight_name[][MFD_NAME_SIZE] = {
"backlight-0",
"backlight-1",
"backlight-2",
};
EXPORT_SYMBOL(pm860x_backlight_name);

char pm860x_led_name[][MFD_NAME_SIZE] = {
"led0-red",
"led0-green",
"led0-blue",
"led1-red",
"led1-green",
"led1-blue",
};
EXPORT_SYMBOL(pm860x_led_name);

#define PM8606_BACKLIGHT_RESOURCE(_i, _x) \
{ \
.name = pm860x_backlight_name[_i], \
.start = PM8606_##_x, \
.end = PM8606_##_x, \
.flags = IORESOURCE_IO, \
}

static struct resource backlight_resources[] = {
PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
};

#define PM8606_BACKLIGHT_DEVS(_i) \
{ \
.name = "88pm860x-backlight", \
.num_resources = 1, \
.resources = &backlight_resources[_i], \
.id = _i, \
}

static struct mfd_cell backlight_devs[] = {
PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
};

#define PM8606_LED_RESOURCE(_i, _x) \
{ \
.name = pm860x_led_name[_i], \
.start = PM8606_##_x, \
.end = PM8606_##_x, \
.flags = IORESOURCE_IO, \
}

static struct resource led_resources[] = {
PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
};

#define PM8606_LED_DEVS(_i) \
{ \
.name = "88pm860x-led", \
.num_resources = 1, \
.resources = &led_resources[_i], \
.id = _i, \
}

static struct mfd_cell led_devs[] = {
PM8606_LED_DEVS(PM8606_LED1_RED),
PM8606_LED_DEVS(PM8606_LED1_GREEN),
PM8606_LED_DEVS(PM8606_LED1_BLUE),
PM8606_LED_DEVS(PM8606_LED2_RED),
PM8606_LED_DEVS(PM8606_LED2_GREEN),
PM8606_LED_DEVS(PM8606_LED2_BLUE),
};

static struct resource touch_resources[] = {
{
.start = PM8607_IRQ_PEN,
.end = PM8607_IRQ_PEN,
.flags = IORESOURCE_IRQ,
},
};

static struct mfd_cell touch_devs[] = {
{
.name = "88pm860x-touch",
.num_resources = 1,
.resources = &touch_resources[0],
},
};

#define PM8607_REG_RESOURCE(_start, _end) \
{ \
Expand All @@ -25,7 +119,7 @@
.flags = IORESOURCE_IO, \
}

static struct resource pm8607_regulator_resources[] = {
static struct resource regulator_resources[] = {
PM8607_REG_RESOURCE(BUCK1, BUCK1),
PM8607_REG_RESOURCE(BUCK2, BUCK2),
PM8607_REG_RESOURCE(BUCK3, BUCK3),
Expand All @@ -47,10 +141,11 @@ static struct resource pm8607_regulator_resources[] = {
{ \
.name = "88pm8607-" #_name, \
.num_resources = 1, \
.resources = &pm8607_regulator_resources[PM8607_ID_##_id], \
.resources = &regulator_resources[PM8607_ID_##_id], \
.id = PM8607_ID_##_id, \
}

static struct mfd_cell pm8607_devs[] = {
static struct mfd_cell regulator_devs[] = {
PM8607_REG_DEVS(buck1, BUCK1),
PM8607_REG_DEVS(buck2, BUCK2),
PM8607_REG_DEVS(buck3, BUCK3),
Expand Down Expand Up @@ -192,6 +287,61 @@ int pm860x_free_irq(struct pm860x_chip *chip, int irq)
}
EXPORT_SYMBOL(pm860x_free_irq);

static int __devinit device_gpadc_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
: chip->companion;
int use_gpadc = 0, data, ret;

/* initialize GPADC without activating it */

if (pdata && pdata->touch) {
/* set GPADC MISC1 register */
data = 0;
data |= (pdata->touch->gpadc_prebias << 1)
& PM8607_GPADC_PREBIAS_MASK;
data |= (pdata->touch->slot_cycle << 3)
& PM8607_GPADC_SLOT_CYCLE_MASK;
data |= (pdata->touch->off_scale << 5)
& PM8607_GPADC_OFF_SCALE_MASK;
data |= (pdata->touch->sw_cal << 7)
& PM8607_GPADC_SW_CAL_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
if (ret < 0)
goto out;
}
/* set tsi prebias time */
if (pdata->touch->tsi_prebias) {
data = pdata->touch->tsi_prebias;
ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
if (ret < 0)
goto out;
}
/* set prebias & prechg time of pen detect */
data = 0;
data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
data |= (pdata->touch->pen_prechg << 5)
& PM8607_PD_PRECHG_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
if (ret < 0)
goto out;
}

use_gpadc = 1;
}

/* turn on GPADC */
if (use_gpadc) {
ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
PM8607_GPADC_EN, PM8607_GPADC_EN);
}
out:
return ret;
}

static int __devinit device_irq_init(struct pm860x_chip *chip,
struct pm860x_platform_data *pdata)
{
Expand Down Expand Up @@ -264,14 +414,40 @@ static void __devinit device_8606_init(struct pm860x_chip *chip,
struct i2c_client *i2c,
struct pm860x_platform_data *pdata)
{
int ret;

if (pdata && pdata->backlight) {
ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
ARRAY_SIZE(backlight_devs),
&backlight_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add backlight "
"subdev\n");
goto out_dev;
}
}

if (pdata && pdata->led) {
ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
ARRAY_SIZE(led_devs),
&led_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add led "
"subdev\n");
goto out_dev;
}
}
return;
out_dev:
mfd_remove_devices(chip->dev);
device_irq_exit(chip);
}

static void __devinit device_8607_init(struct pm860x_chip *chip,
struct i2c_client *i2c,
struct pm860x_platform_data *pdata)
{
int i, count, data;
int ret;
int data, ret;

ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
if (ret < 0) {
Expand Down Expand Up @@ -311,19 +487,36 @@ static void __devinit device_8607_init(struct pm860x_chip *chip,
goto out;
}

ret = device_gpadc_init(chip, pdata);
if (ret < 0)
goto out;

ret = device_irq_init(chip, pdata);
if (ret < 0)
goto out;

count = ARRAY_SIZE(pm8607_devs);
for (i = 0; i < count; i++) {
ret = mfd_add_devices(chip->dev, i, &pm8607_devs[i],
1, NULL, 0);
if (ret != 0) {
dev_err(chip->dev, "Failed to add subdevs\n");
goto out;
ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
ARRAY_SIZE(regulator_devs),
&regulator_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add regulator subdev\n");
goto out_dev;
}

if (pdata && pdata->touch) {
ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
ARRAY_SIZE(touch_devs),
&touch_resources[0], 0);
if (ret < 0) {
dev_err(chip->dev, "Failed to add touch "
"subdev\n");
goto out_dev;
}
}
return;
out_dev:
mfd_remove_devices(chip->dev);
device_irq_exit(chip);
out:
return;
}
Expand Down
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