mirror of
https://github.com/torvalds/linux.git
synced 2024-09-21 15:33:19 +00:00
leds: leds-mc13783: Prepare driver to support MC13892 LEDs
This patch rewrite driver code to be ready to add support for MC13892 LEDs and probe from devicetree. (cooloney@gmail.com: fix one coding style issue when apply this patch) Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Tested-by: Philippe Retornaz <philippe.retornaz@epfl.ch> Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
parent
fb277f5b3a
commit
9d263813c2
|
@ -268,10 +268,11 @@ static struct mc13xxx_led_platform_data moboard_led[] = {
|
||||||
static struct mc13xxx_leds_platform_data moboard_leds = {
|
static struct mc13xxx_leds_platform_data moboard_leds = {
|
||||||
.num_leds = ARRAY_SIZE(moboard_led),
|
.num_leds = ARRAY_SIZE(moboard_led),
|
||||||
.led = moboard_led,
|
.led = moboard_led,
|
||||||
.flags = MC13783_LED_SLEWLIMTC,
|
.led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
|
||||||
.abmode = MC13783_LED_AB_DISABLED,
|
.led_control[1] = MC13783_LED_C1_SLEWLIM,
|
||||||
.tc1_period = MC13783_LED_PERIOD_10MS,
|
.led_control[2] = MC13783_LED_C2_SLEWLIM,
|
||||||
.tc2_period = MC13783_LED_PERIOD_10MS,
|
.led_control[3] = MC13783_LED_C3_PERIOD(0),
|
||||||
|
.led_control[4] = MC13783_LED_C3_PERIOD(0),
|
||||||
};
|
};
|
||||||
|
|
||||||
static struct mc13xxx_buttons_platform_data moboard_buttons = {
|
static struct mc13xxx_buttons_platform_data moboard_buttons = {
|
||||||
|
|
|
@ -22,9 +22,16 @@
|
||||||
#include <linux/leds.h>
|
#include <linux/leds.h>
|
||||||
#include <linux/workqueue.h>
|
#include <linux/workqueue.h>
|
||||||
#include <linux/mfd/mc13xxx.h>
|
#include <linux/mfd/mc13xxx.h>
|
||||||
#include <linux/slab.h>
|
|
||||||
|
|
||||||
struct mc13783_led {
|
#define MC13XXX_REG_LED_CONTROL(x) (51 + (x))
|
||||||
|
|
||||||
|
struct mc13xxx_led_devtype {
|
||||||
|
int led_min;
|
||||||
|
int led_max;
|
||||||
|
int num_regs;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct mc13xxx_led {
|
||||||
struct led_classdev cdev;
|
struct led_classdev cdev;
|
||||||
struct work_struct work;
|
struct work_struct work;
|
||||||
struct mc13xxx *master;
|
struct mc13xxx *master;
|
||||||
|
@ -32,66 +39,35 @@ struct mc13783_led {
|
||||||
int id;
|
int id;
|
||||||
};
|
};
|
||||||
|
|
||||||
#define MC13783_REG_LED_CONTROL_0 51
|
struct mc13xxx_leds {
|
||||||
#define MC13783_LED_C0_ENABLE_BIT (1 << 0)
|
struct mc13xxx_led_devtype *devtype;
|
||||||
#define MC13783_LED_C0_TRIODE_MD_BIT (1 << 7)
|
int num_leds;
|
||||||
#define MC13783_LED_C0_TRIODE_AD_BIT (1 << 8)
|
struct mc13xxx_led led[0];
|
||||||
#define MC13783_LED_C0_TRIODE_KP_BIT (1 << 9)
|
};
|
||||||
#define MC13783_LED_C0_BOOST_BIT (1 << 10)
|
|
||||||
#define MC13783_LED_C0_ABMODE_MASK 0x7
|
|
||||||
#define MC13783_LED_C0_ABMODE 11
|
|
||||||
#define MC13783_LED_C0_ABREF_MASK 0x3
|
|
||||||
#define MC13783_LED_C0_ABREF 14
|
|
||||||
|
|
||||||
#define MC13783_REG_LED_CONTROL_1 52
|
static void mc13xxx_led_work(struct work_struct *work)
|
||||||
#define MC13783_LED_C1_TC1HALF_BIT (1 << 18)
|
|
||||||
|
|
||||||
#define MC13783_REG_LED_CONTROL_2 53
|
|
||||||
#define MC13783_LED_C2_BL_P_MASK 0xf
|
|
||||||
#define MC13783_LED_C2_MD_P 9
|
|
||||||
#define MC13783_LED_C2_AD_P 13
|
|
||||||
#define MC13783_LED_C2_KP_P 17
|
|
||||||
#define MC13783_LED_C2_BL_C_MASK 0x7
|
|
||||||
#define MC13783_LED_C2_MD_C 0
|
|
||||||
#define MC13783_LED_C2_AD_C 3
|
|
||||||
#define MC13783_LED_C2_KP_C 6
|
|
||||||
|
|
||||||
#define MC13783_REG_LED_CONTROL_3 54
|
|
||||||
#define MC13783_LED_C3_TC_P 6
|
|
||||||
#define MC13783_LED_C3_TC_P_MASK 0x1f
|
|
||||||
|
|
||||||
#define MC13783_REG_LED_CONTROL_4 55
|
|
||||||
#define MC13783_REG_LED_CONTROL_5 56
|
|
||||||
|
|
||||||
#define MC13783_LED_Cx_PERIOD 21
|
|
||||||
#define MC13783_LED_Cx_PERIOD_MASK 0x3
|
|
||||||
#define MC13783_LED_Cx_SLEWLIM_BIT (1 << 23)
|
|
||||||
#define MC13783_LED_Cx_TRIODE_TC_BIT (1 << 23)
|
|
||||||
#define MC13783_LED_Cx_TC_C_MASK 0x3
|
|
||||||
|
|
||||||
static void mc13783_led_work(struct work_struct *work)
|
|
||||||
{
|
{
|
||||||
struct mc13783_led *led = container_of(work, struct mc13783_led, work);
|
struct mc13xxx_led *led = container_of(work, struct mc13xxx_led, work);
|
||||||
int reg = 0;
|
int reg, mask, value, bank, off, shift;
|
||||||
int mask = 0;
|
|
||||||
int value = 0;
|
|
||||||
int bank, off, shift;
|
|
||||||
|
|
||||||
switch (led->id) {
|
switch (led->id) {
|
||||||
case MC13783_LED_MD:
|
case MC13783_LED_MD:
|
||||||
reg = MC13783_REG_LED_CONTROL_2;
|
reg = MC13XXX_REG_LED_CONTROL(2);
|
||||||
mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_MD_P;
|
shift = 9;
|
||||||
value = (led->new_brightness >> 4) << MC13783_LED_C2_MD_P;
|
mask = 0x0f;
|
||||||
|
value = led->new_brightness >> 4;
|
||||||
break;
|
break;
|
||||||
case MC13783_LED_AD:
|
case MC13783_LED_AD:
|
||||||
reg = MC13783_REG_LED_CONTROL_2;
|
reg = MC13XXX_REG_LED_CONTROL(2);
|
||||||
mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_AD_P;
|
shift = 13;
|
||||||
value = (led->new_brightness >> 4) << MC13783_LED_C2_AD_P;
|
mask = 0x0f;
|
||||||
|
value = led->new_brightness >> 4;
|
||||||
break;
|
break;
|
||||||
case MC13783_LED_KP:
|
case MC13783_LED_KP:
|
||||||
reg = MC13783_REG_LED_CONTROL_2;
|
reg = MC13XXX_REG_LED_CONTROL(2);
|
||||||
mask = MC13783_LED_C2_BL_P_MASK << MC13783_LED_C2_KP_P;
|
shift = 17;
|
||||||
value = (led->new_brightness >> 4) << MC13783_LED_C2_KP_P;
|
mask = 0x0f;
|
||||||
|
value = led->new_brightness >> 4;
|
||||||
break;
|
break;
|
||||||
case MC13783_LED_R1:
|
case MC13783_LED_R1:
|
||||||
case MC13783_LED_G1:
|
case MC13783_LED_G1:
|
||||||
|
@ -103,57 +79,50 @@ static void mc13783_led_work(struct work_struct *work)
|
||||||
case MC13783_LED_G3:
|
case MC13783_LED_G3:
|
||||||
case MC13783_LED_B3:
|
case MC13783_LED_B3:
|
||||||
off = led->id - MC13783_LED_R1;
|
off = led->id - MC13783_LED_R1;
|
||||||
bank = off/3;
|
bank = off / 3;
|
||||||
reg = MC13783_REG_LED_CONTROL_3 + off/3;
|
reg = MC13XXX_REG_LED_CONTROL(3) + bank;
|
||||||
shift = (off - bank * 3) * 5 + MC13783_LED_C3_TC_P;
|
shift = (off - bank * 3) * 5 + 6;
|
||||||
value = (led->new_brightness >> 3) << shift;
|
value = led->new_brightness >> 3;
|
||||||
mask = MC13783_LED_C3_TC_P_MASK << shift;
|
mask = 0x1f;
|
||||||
break;
|
break;
|
||||||
|
default:
|
||||||
|
BUG();
|
||||||
}
|
}
|
||||||
|
|
||||||
mc13xxx_lock(led->master);
|
mc13xxx_lock(led->master);
|
||||||
|
mc13xxx_reg_rmw(led->master, reg, mask << shift, value << shift);
|
||||||
mc13xxx_reg_rmw(led->master, reg, mask, value);
|
|
||||||
|
|
||||||
mc13xxx_unlock(led->master);
|
mc13xxx_unlock(led->master);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void mc13783_led_set(struct led_classdev *led_cdev,
|
static void mc13xxx_led_set(struct led_classdev *led_cdev,
|
||||||
enum led_brightness value)
|
enum led_brightness value)
|
||||||
{
|
{
|
||||||
struct mc13783_led *led;
|
struct mc13xxx_led *led =
|
||||||
|
container_of(led_cdev, struct mc13xxx_led, cdev);
|
||||||
|
|
||||||
led = container_of(led_cdev, struct mc13783_led, cdev);
|
|
||||||
led->new_brightness = value;
|
led->new_brightness = value;
|
||||||
schedule_work(&led->work);
|
schedule_work(&led->work);
|
||||||
}
|
}
|
||||||
|
|
||||||
static int mc13783_led_setup(struct mc13783_led *led, int max_current)
|
static int __init mc13xxx_led_setup(struct mc13xxx_led *led, int max_current)
|
||||||
{
|
{
|
||||||
int shift = 0;
|
int shift, mask, reg, ret, bank;
|
||||||
int mask = 0;
|
|
||||||
int value = 0;
|
|
||||||
int reg = 0;
|
|
||||||
int ret, bank;
|
|
||||||
|
|
||||||
switch (led->id) {
|
switch (led->id) {
|
||||||
case MC13783_LED_MD:
|
case MC13783_LED_MD:
|
||||||
shift = MC13783_LED_C2_MD_C;
|
reg = MC13XXX_REG_LED_CONTROL(2);
|
||||||
mask = MC13783_LED_C2_BL_C_MASK;
|
shift = 0;
|
||||||
value = max_current & MC13783_LED_C2_BL_C_MASK;
|
mask = 0x07;
|
||||||
reg = MC13783_REG_LED_CONTROL_2;
|
|
||||||
break;
|
break;
|
||||||
case MC13783_LED_AD:
|
case MC13783_LED_AD:
|
||||||
shift = MC13783_LED_C2_AD_C;
|
reg = MC13XXX_REG_LED_CONTROL(2);
|
||||||
mask = MC13783_LED_C2_BL_C_MASK;
|
shift = 3;
|
||||||
value = max_current & MC13783_LED_C2_BL_C_MASK;
|
mask = 0x07;
|
||||||
reg = MC13783_REG_LED_CONTROL_2;
|
|
||||||
break;
|
break;
|
||||||
case MC13783_LED_KP:
|
case MC13783_LED_KP:
|
||||||
shift = MC13783_LED_C2_KP_C;
|
reg = MC13XXX_REG_LED_CONTROL(2);
|
||||||
mask = MC13783_LED_C2_BL_C_MASK;
|
shift = 6;
|
||||||
value = max_current & MC13783_LED_C2_BL_C_MASK;
|
mask = 0x07;
|
||||||
reg = MC13783_REG_LED_CONTROL_2;
|
|
||||||
break;
|
break;
|
||||||
case MC13783_LED_R1:
|
case MC13783_LED_R1:
|
||||||
case MC13783_LED_G1:
|
case MC13783_LED_G1:
|
||||||
|
@ -164,228 +133,165 @@ static int mc13783_led_setup(struct mc13783_led *led, int max_current)
|
||||||
case MC13783_LED_R3:
|
case MC13783_LED_R3:
|
||||||
case MC13783_LED_G3:
|
case MC13783_LED_G3:
|
||||||
case MC13783_LED_B3:
|
case MC13783_LED_B3:
|
||||||
bank = (led->id - MC13783_LED_R1)/3;
|
bank = (led->id - MC13783_LED_R1) / 3;
|
||||||
reg = MC13783_REG_LED_CONTROL_3 + bank;
|
reg = MC13XXX_REG_LED_CONTROL(3) + bank;
|
||||||
shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2;
|
shift = ((led->id - MC13783_LED_R1) - bank * 3) * 2;
|
||||||
mask = MC13783_LED_Cx_TC_C_MASK;
|
mask = 0x03;
|
||||||
value = max_current & MC13783_LED_Cx_TC_C_MASK;
|
|
||||||
break;
|
break;
|
||||||
|
default:
|
||||||
|
BUG();
|
||||||
}
|
}
|
||||||
|
|
||||||
mc13xxx_lock(led->master);
|
mc13xxx_lock(led->master);
|
||||||
|
|
||||||
ret = mc13xxx_reg_rmw(led->master, reg, mask << shift,
|
ret = mc13xxx_reg_rmw(led->master, reg, mask << shift,
|
||||||
value << shift);
|
max_current << shift);
|
||||||
|
|
||||||
mc13xxx_unlock(led->master);
|
mc13xxx_unlock(led->master);
|
||||||
|
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int mc13783_leds_prepare(struct platform_device *pdev)
|
static int __init mc13xxx_led_probe(struct platform_device *pdev)
|
||||||
{
|
{
|
||||||
struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
|
struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
|
||||||
struct mc13xxx *dev = dev_get_drvdata(pdev->dev.parent);
|
struct mc13xxx *mcdev = dev_get_drvdata(pdev->dev.parent);
|
||||||
int ret = 0;
|
struct mc13xxx_led_devtype *devtype =
|
||||||
int reg = 0;
|
(struct mc13xxx_led_devtype *)pdev->id_entry->driver_data;
|
||||||
|
struct mc13xxx_leds *leds;
|
||||||
|
int i, id, num_leds, ret;
|
||||||
|
u32 reg, init_led = 0;
|
||||||
|
|
||||||
mc13xxx_lock(dev);
|
if (!pdata) {
|
||||||
|
dev_err(&pdev->dev, "Missing platform data\n");
|
||||||
if (pdata->flags & MC13783_LED_TC1HALF)
|
|
||||||
reg |= MC13783_LED_C1_TC1HALF_BIT;
|
|
||||||
|
|
||||||
if (pdata->flags & MC13783_LED_SLEWLIMTC)
|
|
||||||
reg |= MC13783_LED_Cx_SLEWLIM_BIT;
|
|
||||||
|
|
||||||
ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_1, reg);
|
|
||||||
if (ret)
|
|
||||||
goto out;
|
|
||||||
|
|
||||||
reg = (pdata->bl_period & MC13783_LED_Cx_PERIOD_MASK) <<
|
|
||||||
MC13783_LED_Cx_PERIOD;
|
|
||||||
|
|
||||||
if (pdata->flags & MC13783_LED_SLEWLIMBL)
|
|
||||||
reg |= MC13783_LED_Cx_SLEWLIM_BIT;
|
|
||||||
|
|
||||||
ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_2, reg);
|
|
||||||
if (ret)
|
|
||||||
goto out;
|
|
||||||
|
|
||||||
reg = (pdata->tc1_period & MC13783_LED_Cx_PERIOD_MASK) <<
|
|
||||||
MC13783_LED_Cx_PERIOD;
|
|
||||||
|
|
||||||
if (pdata->flags & MC13783_LED_TRIODE_TC1)
|
|
||||||
reg |= MC13783_LED_Cx_TRIODE_TC_BIT;
|
|
||||||
|
|
||||||
ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_3, reg);
|
|
||||||
if (ret)
|
|
||||||
goto out;
|
|
||||||
|
|
||||||
reg = (pdata->tc2_period & MC13783_LED_Cx_PERIOD_MASK) <<
|
|
||||||
MC13783_LED_Cx_PERIOD;
|
|
||||||
|
|
||||||
if (pdata->flags & MC13783_LED_TRIODE_TC2)
|
|
||||||
reg |= MC13783_LED_Cx_TRIODE_TC_BIT;
|
|
||||||
|
|
||||||
ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_4, reg);
|
|
||||||
if (ret)
|
|
||||||
goto out;
|
|
||||||
|
|
||||||
reg = (pdata->tc3_period & MC13783_LED_Cx_PERIOD_MASK) <<
|
|
||||||
MC13783_LED_Cx_PERIOD;
|
|
||||||
|
|
||||||
if (pdata->flags & MC13783_LED_TRIODE_TC3)
|
|
||||||
reg |= MC13783_LED_Cx_TRIODE_TC_BIT;
|
|
||||||
|
|
||||||
ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_5, reg);
|
|
||||||
if (ret)
|
|
||||||
goto out;
|
|
||||||
|
|
||||||
reg = MC13783_LED_C0_ENABLE_BIT;
|
|
||||||
if (pdata->flags & MC13783_LED_TRIODE_MD)
|
|
||||||
reg |= MC13783_LED_C0_TRIODE_MD_BIT;
|
|
||||||
if (pdata->flags & MC13783_LED_TRIODE_AD)
|
|
||||||
reg |= MC13783_LED_C0_TRIODE_AD_BIT;
|
|
||||||
if (pdata->flags & MC13783_LED_TRIODE_KP)
|
|
||||||
reg |= MC13783_LED_C0_TRIODE_KP_BIT;
|
|
||||||
if (pdata->flags & MC13783_LED_BOOST_EN)
|
|
||||||
reg |= MC13783_LED_C0_BOOST_BIT;
|
|
||||||
|
|
||||||
reg |= (pdata->abmode & MC13783_LED_C0_ABMODE_MASK) <<
|
|
||||||
MC13783_LED_C0_ABMODE;
|
|
||||||
reg |= (pdata->abref & MC13783_LED_C0_ABREF_MASK) <<
|
|
||||||
MC13783_LED_C0_ABREF;
|
|
||||||
|
|
||||||
ret = mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_0, reg);
|
|
||||||
|
|
||||||
out:
|
|
||||||
mc13xxx_unlock(dev);
|
|
||||||
return ret;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int mc13783_led_probe(struct platform_device *pdev)
|
|
||||||
{
|
|
||||||
struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
|
|
||||||
struct mc13xxx_led_platform_data *led_cur;
|
|
||||||
struct mc13783_led *led, *led_dat;
|
|
||||||
int ret, i;
|
|
||||||
int init_led = 0;
|
|
||||||
|
|
||||||
if (pdata == NULL) {
|
|
||||||
dev_err(&pdev->dev, "missing platform data\n");
|
|
||||||
return -ENODEV;
|
return -ENODEV;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (pdata->num_leds < 1 || pdata->num_leds > (MC13783_LED_MAX + 1)) {
|
num_leds = pdata->num_leds;
|
||||||
dev_err(&pdev->dev, "Invalid led count %d\n", pdata->num_leds);
|
|
||||||
|
if ((num_leds < 1) ||
|
||||||
|
(num_leds > (devtype->led_max - devtype->led_min + 1))) {
|
||||||
|
dev_err(&pdev->dev, "Invalid LED count %d\n", num_leds);
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
led = devm_kzalloc(&pdev->dev, pdata->num_leds * sizeof(*led),
|
leds = devm_kzalloc(&pdev->dev, num_leds * sizeof(struct mc13xxx_led) +
|
||||||
GFP_KERNEL);
|
sizeof(struct mc13xxx_leds), GFP_KERNEL);
|
||||||
if (led == NULL) {
|
if (!leds)
|
||||||
dev_err(&pdev->dev, "failed to alloc memory\n");
|
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
}
|
|
||||||
|
|
||||||
ret = mc13783_leds_prepare(pdev);
|
leds->devtype = devtype;
|
||||||
|
leds->num_leds = num_leds;
|
||||||
|
platform_set_drvdata(pdev, leds);
|
||||||
|
|
||||||
|
mc13xxx_lock(mcdev);
|
||||||
|
for (i = 0; i < devtype->num_regs; i++) {
|
||||||
|
reg = pdata->led_control[i];
|
||||||
|
WARN_ON(reg >= (1 << 24));
|
||||||
|
ret = mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), reg);
|
||||||
|
if (ret)
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
mc13xxx_unlock(mcdev);
|
||||||
|
|
||||||
if (ret) {
|
if (ret) {
|
||||||
dev_err(&pdev->dev, "unable to init led driver\n");
|
dev_err(&pdev->dev, "Unable to init LED driver\n");
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
for (i = 0; i < pdata->num_leds; i++) {
|
for (i = 0; i < num_leds; i++) {
|
||||||
led_dat = &led[i];
|
const char *name, *trig;
|
||||||
led_cur = &pdata->led[i];
|
char max_current;
|
||||||
|
|
||||||
if (led_cur->id > MC13783_LED_MAX || led_cur->id < 0) {
|
ret = -EINVAL;
|
||||||
dev_err(&pdev->dev, "invalid id %d\n", led_cur->id);
|
|
||||||
ret = -EINVAL;
|
id = pdata->led[i].id;
|
||||||
goto err_register;
|
name = pdata->led[i].name;
|
||||||
|
trig = pdata->led[i].default_trigger;
|
||||||
|
max_current = pdata->led[i].max_current;
|
||||||
|
|
||||||
|
if ((id > devtype->led_max) || (id < devtype->led_min)) {
|
||||||
|
dev_err(&pdev->dev, "Invalid ID %i\n", id);
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (init_led & (1 << led_cur->id)) {
|
if (init_led & (1 << id)) {
|
||||||
dev_err(&pdev->dev, "led %d already initialized\n",
|
dev_warn(&pdev->dev,
|
||||||
led_cur->id);
|
"LED %i already initialized\n", id);
|
||||||
ret = -EINVAL;
|
break;
|
||||||
goto err_register;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
init_led |= 1 << led_cur->id;
|
init_led |= 1 << id;
|
||||||
led_dat->cdev.name = led_cur->name;
|
leds->led[i].id = id;
|
||||||
led_dat->cdev.default_trigger = led_cur->default_trigger;
|
leds->led[i].master = mcdev;
|
||||||
led_dat->cdev.brightness_set = mc13783_led_set;
|
leds->led[i].cdev.name = name;
|
||||||
led_dat->cdev.brightness = LED_OFF;
|
leds->led[i].cdev.default_trigger = trig;
|
||||||
led_dat->id = led_cur->id;
|
leds->led[i].cdev.brightness_set = mc13xxx_led_set;
|
||||||
led_dat->master = dev_get_drvdata(pdev->dev.parent);
|
leds->led[i].cdev.brightness = LED_OFF;
|
||||||
|
|
||||||
INIT_WORK(&led_dat->work, mc13783_led_work);
|
INIT_WORK(&leds->led[i].work, mc13xxx_led_work);
|
||||||
|
|
||||||
ret = led_classdev_register(pdev->dev.parent, &led_dat->cdev);
|
ret = mc13xxx_led_setup(&leds->led[i], max_current);
|
||||||
if (ret) {
|
if (ret) {
|
||||||
dev_err(&pdev->dev, "failed to register led %d\n",
|
dev_err(&pdev->dev, "Unable to setup LED %i\n", id);
|
||||||
led_dat->id);
|
break;
|
||||||
goto err_register;
|
|
||||||
}
|
}
|
||||||
|
ret = led_classdev_register(pdev->dev.parent,
|
||||||
ret = mc13783_led_setup(led_dat, led_cur->max_current);
|
&leds->led[i].cdev);
|
||||||
if (ret) {
|
if (ret) {
|
||||||
dev_err(&pdev->dev, "unable to init led %d\n",
|
dev_err(&pdev->dev, "Failed to register LED %i\n", id);
|
||||||
led_dat->id);
|
break;
|
||||||
i++;
|
|
||||||
goto err_register;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
platform_set_drvdata(pdev, led);
|
if (ret)
|
||||||
return 0;
|
while (--i >= 0) {
|
||||||
|
led_classdev_unregister(&leds->led[i].cdev);
|
||||||
err_register:
|
cancel_work_sync(&leds->led[i].work);
|
||||||
for (i = i - 1; i >= 0; i--) {
|
}
|
||||||
led_classdev_unregister(&led[i].cdev);
|
|
||||||
cancel_work_sync(&led[i].work);
|
|
||||||
}
|
|
||||||
|
|
||||||
return ret;
|
return ret;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int mc13783_led_remove(struct platform_device *pdev)
|
static int mc13xxx_led_remove(struct platform_device *pdev)
|
||||||
{
|
{
|
||||||
struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
|
struct mc13xxx *mcdev = dev_get_drvdata(pdev->dev.parent);
|
||||||
struct mc13783_led *led = platform_get_drvdata(pdev);
|
struct mc13xxx_leds *leds = platform_get_drvdata(pdev);
|
||||||
struct mc13xxx *dev = dev_get_drvdata(pdev->dev.parent);
|
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
for (i = 0; i < pdata->num_leds; i++) {
|
for (i = 0; i < leds->num_leds; i++) {
|
||||||
led_classdev_unregister(&led[i].cdev);
|
led_classdev_unregister(&leds->led[i].cdev);
|
||||||
cancel_work_sync(&led[i].work);
|
cancel_work_sync(&leds->led[i].work);
|
||||||
}
|
}
|
||||||
|
|
||||||
mc13xxx_lock(dev);
|
mc13xxx_lock(mcdev);
|
||||||
|
for (i = 0; i < leds->devtype->num_regs; i++)
|
||||||
mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_0, 0);
|
mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), 0);
|
||||||
mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_1, 0);
|
mc13xxx_unlock(mcdev);
|
||||||
mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_2, 0);
|
|
||||||
mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_3, 0);
|
|
||||||
mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_4, 0);
|
|
||||||
mc13xxx_reg_write(dev, MC13783_REG_LED_CONTROL_5, 0);
|
|
||||||
|
|
||||||
mc13xxx_unlock(dev);
|
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct platform_driver mc13783_led_driver = {
|
static const struct mc13xxx_led_devtype mc13783_led_devtype = {
|
||||||
.driver = {
|
.led_min = MC13783_LED_MD,
|
||||||
.name = "mc13783-led",
|
.led_max = MC13783_LED_B3,
|
||||||
.owner = THIS_MODULE,
|
.num_regs = 6,
|
||||||
},
|
|
||||||
.probe = mc13783_led_probe,
|
|
||||||
.remove = mc13783_led_remove,
|
|
||||||
};
|
};
|
||||||
|
|
||||||
module_platform_driver(mc13783_led_driver);
|
static const struct platform_device_id mc13xxx_led_id_table[] = {
|
||||||
|
{ "mc13783-led", (kernel_ulong_t)&mc13783_led_devtype, },
|
||||||
|
{ }
|
||||||
|
};
|
||||||
|
MODULE_DEVICE_TABLE(platform, mc13xxx_led_id_table);
|
||||||
|
|
||||||
MODULE_DESCRIPTION("LEDs driver for Freescale MC13783 PMIC");
|
static struct platform_driver mc13xxx_led_driver = {
|
||||||
|
.driver = {
|
||||||
|
.name = "mc13xxx-led",
|
||||||
|
.owner = THIS_MODULE,
|
||||||
|
},
|
||||||
|
.remove = mc13xxx_led_remove,
|
||||||
|
.id_table = mc13xxx_led_id_table,
|
||||||
|
};
|
||||||
|
module_platform_driver_probe(mc13xxx_led_driver, mc13xxx_led_probe);
|
||||||
|
|
||||||
|
MODULE_DESCRIPTION("LEDs driver for Freescale MC13XXX PMIC");
|
||||||
MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
|
MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch>");
|
||||||
MODULE_LICENSE("GPL");
|
MODULE_LICENSE("GPL");
|
||||||
MODULE_ALIAS("platform:mc13783-led");
|
|
||||||
|
|
|
@ -78,20 +78,23 @@ struct mc13xxx_regulator_platform_data {
|
||||||
struct mc13xxx_regulator_init_data *regulators;
|
struct mc13xxx_regulator_init_data *regulators;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
enum {
|
||||||
|
/* MC13783 LED IDs */
|
||||||
|
MC13783_LED_MD,
|
||||||
|
MC13783_LED_AD,
|
||||||
|
MC13783_LED_KP,
|
||||||
|
MC13783_LED_R1,
|
||||||
|
MC13783_LED_G1,
|
||||||
|
MC13783_LED_B1,
|
||||||
|
MC13783_LED_R2,
|
||||||
|
MC13783_LED_G2,
|
||||||
|
MC13783_LED_B2,
|
||||||
|
MC13783_LED_R3,
|
||||||
|
MC13783_LED_G3,
|
||||||
|
MC13783_LED_B3,
|
||||||
|
};
|
||||||
|
|
||||||
struct mc13xxx_led_platform_data {
|
struct mc13xxx_led_platform_data {
|
||||||
#define MC13783_LED_MD 0
|
|
||||||
#define MC13783_LED_AD 1
|
|
||||||
#define MC13783_LED_KP 2
|
|
||||||
#define MC13783_LED_R1 3
|
|
||||||
#define MC13783_LED_G1 4
|
|
||||||
#define MC13783_LED_B1 5
|
|
||||||
#define MC13783_LED_R2 6
|
|
||||||
#define MC13783_LED_G2 7
|
|
||||||
#define MC13783_LED_B2 8
|
|
||||||
#define MC13783_LED_R3 9
|
|
||||||
#define MC13783_LED_G3 10
|
|
||||||
#define MC13783_LED_B3 11
|
|
||||||
#define MC13783_LED_MAX MC13783_LED_B3
|
|
||||||
int id;
|
int id;
|
||||||
const char *name;
|
const char *name;
|
||||||
const char *default_trigger;
|
const char *default_trigger;
|
||||||
|
@ -100,46 +103,36 @@ struct mc13xxx_led_platform_data {
|
||||||
char max_current;
|
char max_current;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
#define MAX_LED_CONTROL_REGS 6
|
||||||
|
|
||||||
struct mc13xxx_leds_platform_data {
|
struct mc13xxx_leds_platform_data {
|
||||||
int num_leds;
|
|
||||||
struct mc13xxx_led_platform_data *led;
|
struct mc13xxx_led_platform_data *led;
|
||||||
|
int num_leds;
|
||||||
|
|
||||||
#define MC13783_LED_TRIODE_MD (1 << 0)
|
/* LED Control 0 */
|
||||||
#define MC13783_LED_TRIODE_AD (1 << 1)
|
#define MC13783_LED_C0_ENABLE (1 << 0)
|
||||||
#define MC13783_LED_TRIODE_KP (1 << 2)
|
#define MC13783_LED_C0_TRIODE_MD (1 << 7)
|
||||||
#define MC13783_LED_BOOST_EN (1 << 3)
|
#define MC13783_LED_C0_TRIODE_AD (1 << 8)
|
||||||
#define MC13783_LED_TC1HALF (1 << 4)
|
#define MC13783_LED_C0_TRIODE_KP (1 << 9)
|
||||||
#define MC13783_LED_SLEWLIMTC (1 << 5)
|
#define MC13783_LED_C0_BOOST (1 << 10)
|
||||||
#define MC13783_LED_SLEWLIMBL (1 << 6)
|
#define MC13783_LED_C0_ABMODE(x) (((x) & 0x7) << 11)
|
||||||
#define MC13783_LED_TRIODE_TC1 (1 << 7)
|
#define MC13783_LED_C0_ABREF(x) (((x) & 0x3) << 14)
|
||||||
#define MC13783_LED_TRIODE_TC2 (1 << 8)
|
/* LED Control 1 */
|
||||||
#define MC13783_LED_TRIODE_TC3 (1 << 9)
|
#define MC13783_LED_C1_TC1HALF (1 << 18)
|
||||||
int flags;
|
#define MC13783_LED_C1_SLEWLIM (1 << 23)
|
||||||
|
/* LED Control 2 */
|
||||||
#define MC13783_LED_AB_DISABLED 0
|
#define MC13783_LED_C2_PERIOD(x) (((x) & 0x3) << 21)
|
||||||
#define MC13783_LED_AB_MD1 1
|
#define MC13783_LED_C2_SLEWLIM (1 << 23)
|
||||||
#define MC13783_LED_AB_MD12 2
|
/* LED Control 3 */
|
||||||
#define MC13783_LED_AB_MD123 3
|
#define MC13783_LED_C3_PERIOD(x) (((x) & 0x3) << 21)
|
||||||
#define MC13783_LED_AB_MD1234 4
|
#define MC13783_LED_C3_TRIODE_TC1 (1 << 23)
|
||||||
#define MC13783_LED_AB_MD1234_AD1 5
|
/* LED Control 4 */
|
||||||
#define MC13783_LED_AB_MD1234_AD12 6
|
#define MC13783_LED_C4_PERIOD(x) (((x) & 0x3) << 21)
|
||||||
#define MC13783_LED_AB_MD1_AD 7
|
#define MC13783_LED_C4_TRIODE_TC2 (1 << 23)
|
||||||
char abmode;
|
/* LED Control 5 */
|
||||||
|
#define MC13783_LED_C5_PERIOD(x) (((x) & 0x3) << 21)
|
||||||
#define MC13783_LED_ABREF_200MV 0
|
#define MC13783_LED_C5_TRIODE_TC3 (1 << 23)
|
||||||
#define MC13783_LED_ABREF_400MV 1
|
u32 led_control[MAX_LED_CONTROL_REGS];
|
||||||
#define MC13783_LED_ABREF_600MV 2
|
|
||||||
#define MC13783_LED_ABREF_800MV 3
|
|
||||||
char abref;
|
|
||||||
|
|
||||||
#define MC13783_LED_PERIOD_10MS 0
|
|
||||||
#define MC13783_LED_PERIOD_100MS 1
|
|
||||||
#define MC13783_LED_PERIOD_500MS 2
|
|
||||||
#define MC13783_LED_PERIOD_2S 3
|
|
||||||
char bl_period;
|
|
||||||
char tc1_period;
|
|
||||||
char tc2_period;
|
|
||||||
char tc3_period;
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct mc13xxx_buttons_platform_data {
|
struct mc13xxx_buttons_platform_data {
|
||||||
|
|
Loading…
Reference in New Issue
Block a user