static int adp5520_bl_set(struct backlight_device *bl, int brightness)
{
struct adp5520_bl *data = bl_get_data(bl);
struct device *master = data->master;
int ret = 0;
if (data->pdata->en_ambl_sens) {
if ((brightness > 0) && (brightness < ADP5020_MAX_BRIGHTNESS)) {
ret |= adp5520_clr_bits(master, ADP5520_BL_CONTROL,
ADP5520_BL_AUTO_ADJ);
ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX,
brightness);
} else {
ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX,
data->cached_daylight_max);
ret |= adp5520_set_bits(master, ADP5520_BL_CONTROL,
ADP5520_BL_AUTO_ADJ);
}
} else {
ret |= adp5520_write(master, ADP5520_DAYLIGHT_MAX, brightness);
}
if (data->current_brightness && brightness == 0)
ret |= adp5520_set_bits(master,
ADP5520_MODE_STATUS, ADP5520_DIM_EN);
else if (data->current_brightness == 0 && brightness)
ret |= adp5520_clr_bits(master,
ADP5520_MODE_STATUS, ADP5520_DIM_EN);
if (!ret)
data->current_brightness = brightness;
return ret;
}
static int adp5520_resume(struct i2c_client *client)
{
struct adp5520_chip *chip = dev_get_drvdata(&client->dev);
adp5520_set_bits(chip->dev, ADP5520_MODE_STATUS, ADP5520_nSTNBY);
return 0;
}
static int adp5520_bl_setup(struct backlight_device *bl)
{
struct adp5520_bl *data = bl_get_data(bl);
struct device *master = data->master;
struct adp5520_backlight_platfrom_data *pdata = data->pdata;
int ret = 0;
ret |= adp5520_write(master, DAYLIGHT_MAX, pdata->l1_daylight_max);
ret |= adp5520_write(master, DAYLIGHT_DIM, pdata->l1_daylight_dim);
if (pdata->en_ambl_sens) {
data->cached_daylight_max = pdata->l1_daylight_max;
ret |= adp5520_write(master, OFFICE_MAX, pdata->l2_office_max);
ret |= adp5520_write(master, OFFICE_DIM, pdata->l2_office_dim);
ret |= adp5520_write(master, DARK_MAX, pdata->l3_dark_max);
ret |= adp5520_write(master, DARK_DIM, pdata->l3_dark_dim);
ret |= adp5520_write(master, L2_TRIP, pdata->l2_trip);
ret |= adp5520_write(master, L2_HYS, pdata->l2_hyst);
ret |= adp5520_write(master, L3_TRIP, pdata->l3_trip);
ret |= adp5520_write(master, L3_HYS, pdata->l3_hyst);
ret |= adp5520_write(master, ALS_CMPR_CFG,
ALS_CMPR_CFG_VAL(pdata->abml_filt, L3_EN));
}
ret |= adp5520_write(master, BL_CONTROL,
BL_CTRL_VAL(pdata->fade_led_law, pdata->en_ambl_sens);
ret |= adp5520_write(master, BL_FADE, FADE_VAL(pdata->fade_in,
pdata->fade_out));
ret |= adp5520_set_bits(master, MODE_STATUS, BL_EN | DIM_EN);
return ret;
}
static void adp5520_gpio_set_value(struct gpio_chip *chip,
unsigned off, int val)
{
struct adp5520_gpio *dev;
dev = gpiochip_get_data(chip);
if (val)
adp5520_set_bits(dev->master, ADP5520_GPIO_OUT, dev->lut[off]);
else
adp5520_clr_bits(dev->master, ADP5520_GPIO_OUT, dev->lut[off]);
}
static int adp5520_gpio_direction_output(struct gpio_chip *chip,
unsigned off, int val)
{
struct adp5520_gpio *dev;
int ret = 0;
dev = gpiochip_get_data(chip);
set_bit(off, &dev->output);
if (val)
ret |= adp5520_set_bits(dev->master, ADP5520_GPIO_OUT,
dev->lut[off]);
else
ret |= adp5520_clr_bits(dev->master, ADP5520_GPIO_OUT,
dev->lut[off]);
ret |= adp5520_set_bits(dev->master, ADP5520_GPIO_CFG_2,
dev->lut[off]);
return ret;
}
static int adp5520_bl_set(struct backlight_device *bl, int brightness)
{
struct adp5520_bl *data = bl_get_data(bl);
struct device *master = data->master;
int ret = 0;
if (data->pdata->en_ambl_sens) {
if ((brightness > 0) && (brightness < ADP5020_MAX_BRIGHTNESS)) {
/* Disable Ambient Light auto adjust */
ret |= adp5520_clr_bits(master, BL_CONTROL,
BL_AUTO_ADJ);
ret |= adp5520_write(master, DAYLIGHT_MAX, brightness);
} else {
/*
* MAX_BRIGHTNESS -> Enable Ambient Light auto adjust
* restore daylight l3 sysfs brightness
*/
ret |= adp5520_write(master, DAYLIGHT_MAX,
data->cached_daylight_max);
ret |= adp5520_set_bits(master, BL_CONTROL,
BL_AUTO_ADJ);
}
} else {
ret |= adp5520_write(master, DAYLIGHT_MAX, brightness);
}
if (data->current_brightness && brightness == 0)
ret |= adp5520_set_bits(master,
MODE_STATUS, DIM_EN);
else if (data->current_brightness == 0 && brightness)
ret |= adp5520_clr_bits(master,
MODE_STATUS, DIM_EN);
if (!ret)
data->current_brightness = brightness;
return ret;
}
int adp5520_register_notifier(struct device *dev, struct notifier_block *nb,
unsigned int events)
{
struct adp5520_chip *chip = dev_get_drvdata(dev);
if (chip->irq) {
adp5520_set_bits(chip->dev, ADP5520_INTERRUPT_ENABLE,
events & (ADP5520_KP_IEN | ADP5520_KR_IEN |
ADP5520_OVP_IEN | ADP5520_CMPR_IEN));
return blocking_notifier_chain_register(&chip->notifier_list,
nb);
}
return -ENODEV;
}
static int adp5520_keys_probe(struct platform_device *pdev)
{
struct adp5520_keys_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct input_dev *input;
struct adp5520_keys *dev;
int ret, i;
unsigned char en_mask, ctl_mask = 0;
if (pdev->id != ID_ADP5520) {
dev_err(&pdev->dev, "only ADP5520 supports Keypad\n");
return -EINVAL;
}
if (!pdata) {
dev_err(&pdev->dev, "missing platform data\n");
return -EINVAL;
}
if (!(pdata->rows_en_mask && pdata->cols_en_mask))
return -EINVAL;
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (!dev) {
dev_err(&pdev->dev, "failed to alloc memory\n");
return -ENOMEM;
}
input = devm_input_allocate_device(&pdev->dev);
if (!input)
return -ENOMEM;
dev->master = pdev->dev.parent;
dev->input = input;
input->name = pdev->name;
input->phys = "adp5520-keys/input0";
input->dev.parent = &pdev->dev;
input_set_drvdata(input, dev);
input->id.bustype = BUS_I2C;
input->id.vendor = 0x0001;
input->id.product = 0x5520;
input->id.version = 0x0001;
input->keycodesize = sizeof(dev->keycode[0]);
input->keycodemax = pdata->keymapsize;
input->keycode = dev->keycode;
memcpy(dev->keycode, pdata->keymap,
pdata->keymapsize * input->keycodesize);
/* 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++)
__set_bit(dev->keycode[i], input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
ret = input_register_device(input);
if (ret) {
dev_err(&pdev->dev, "unable to register input device\n");
return ret;
}
en_mask = pdata->rows_en_mask | pdata->cols_en_mask;
ret = adp5520_set_bits(dev->master, ADP5520_GPIO_CFG_1, en_mask);
if (en_mask & ADP5520_COL_C3)
ctl_mask |= ADP5520_C3_MODE;
if (en_mask & ADP5520_ROW_R3)
ctl_mask |= ADP5520_R3_MODE;
if (ctl_mask)
ret |= adp5520_set_bits(dev->master, ADP5520_LED_CONTROL,
ctl_mask);
ret |= adp5520_set_bits(dev->master, ADP5520_GPIO_PULLUP,
pdata->rows_en_mask);
if (ret) {
dev_err(&pdev->dev, "failed to write\n");
return -EIO;
}
dev->notifier.notifier_call = adp5520_keys_notifier;
ret = adp5520_register_notifier(dev->master, &dev->notifier,
ADP5520_KP_IEN | ADP5520_KR_IEN);
if (ret) {
dev_err(&pdev->dev, "failed to register notifier\n");
return ret;
}
platform_set_drvdata(pdev, dev);
return 0;
}
static int adp5520_gpio_probe(struct platform_device *pdev)
{
struct adp5520_gpio_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct adp5520_gpio *dev;
struct gpio_chip *gc;
int ret, i, gpios;
unsigned char ctl_mask = 0;
if (pdata == NULL) {
dev_err(&pdev->dev, "missing platform data\n");
return -ENODEV;
}
if (pdev->id != ID_ADP5520) {
dev_err(&pdev->dev, "only ADP5520 supports GPIO\n");
return -ENODEV;
}
dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
if (dev == NULL)
return -ENOMEM;
dev->master = pdev->dev.parent;
for (gpios = 0, i = 0; i < ADP5520_MAXGPIOS; i++)
if (pdata->gpio_en_mask & (1 << i))
dev->lut[gpios++] = 1 << i;
if (gpios < 1) {
ret = -EINVAL;
goto err;
}
gc = &dev->gpio_chip;
gc->direction_input = adp5520_gpio_direction_input;
gc->direction_output = adp5520_gpio_direction_output;
gc->get = adp5520_gpio_get_value;
gc->set = adp5520_gpio_set_value;
gc->can_sleep = true;
gc->base = pdata->gpio_start;
gc->ngpio = gpios;
gc->label = pdev->name;
gc->owner = THIS_MODULE;
ret = adp5520_clr_bits(dev->master, ADP5520_GPIO_CFG_1,
pdata->gpio_en_mask);
if (pdata->gpio_en_mask & ADP5520_GPIO_C3)
ctl_mask |= ADP5520_C3_MODE;
if (pdata->gpio_en_mask & ADP5520_GPIO_R3)
ctl_mask |= ADP5520_R3_MODE;
if (ctl_mask)
ret = adp5520_set_bits(dev->master, ADP5520_LED_CONTROL,
ctl_mask);
ret |= adp5520_set_bits(dev->master, ADP5520_GPIO_PULLUP,
pdata->gpio_pullup_mask);
if (ret) {
dev_err(&pdev->dev, "failed to write\n");
goto err;
}
ret = devm_gpiochip_add_data(&pdev->dev, &dev->gpio_chip, dev);
if (ret)
goto err;
platform_set_drvdata(pdev, dev);
return 0;
err:
return ret;
}
static int __devinit adp5520_keys_probe(struct platform_device *pdev)
{
struct adp5520_keys_platfrom_data *pdata = pdev->dev.platform_data;
struct input_dev *input;
struct adp5520_keys *dev;
int ret, i;
unsigned char en_mask, ctl_mask = 0;
if (pdev->id != ID_ADP5520) {
dev_err(&pdev->dev, "only ADP5520 supports Keypad\n");
return -EFAULT;
}
if (pdata == NULL) {
dev_err(&pdev->dev, "missing platform data\n");
return -ENODEV;
}
if (!(pdata->rows_en_mask && pdata->cols_en_mask))
return -ENODEV;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
dev_err(&pdev->dev, "failed to alloc memory\n");
return -ENOMEM;
}
input = input_allocate_device();
if (!input) {
ret = -ENOMEM;
goto err;
}
dev->master = pdev->dev.parent;
dev->input = input;
input->name = pdev->name;
input->phys = "adp5520-keys/input0";
input->dev.parent = &pdev->dev;
input_set_drvdata(input, dev);
input->id.bustype = BUS_I2C;
input->id.vendor = 0x0001;
input->id.product = 0x5520;
input->id.version = 0x0001;
input->keycodesize = sizeof(unsigned short);
input->keycodemax = pdata->keymapsize;
input->keycode = dev->keycode;
memcpy(dev->keycode, pdata->keymap,
pdata->keymapsize * input->keycodesize);
/* 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++)
__set_bit(dev->keycode[i] & KEY_MAX, input->keybit);
__clear_bit(KEY_RESERVED, input->keybit);
ret = input_register_device(input);
if (ret) {
dev_err(&pdev->dev,
": Unable to register input device (%d)\n", ret);
input_free_device(input);
goto err;
}
en_mask = pdata->rows_en_mask | pdata->cols_en_mask;
ret = adp5520_set_bits(dev->master, GPIO_CFG_1, en_mask);
if (en_mask & COL_C3)
ctl_mask |= C3_MODE;
if (en_mask & ROW_R3)
ctl_mask |= R3_MODE;
if (ctl_mask)
ret |= adp5520_set_bits(dev->master, LED_CONTROL,
ctl_mask);
ret |= adp5520_set_bits(dev->master, GPIO_PULLUP,
pdata->rows_en_mask);
if (ret) {
dev_err(&pdev->dev, "failed to write\n");
goto err1;
}
dev->notifier.notifier_call = adp5520_keys_notifier;
ret = adp5520_register_notifier(dev->master, &dev->notifier,
KP_IEN | KR_IEN);
if (ret) {
dev_err(&pdev->dev, "failed to register notifier\n");
goto err1;
}
platform_set_drvdata(pdev, dev);
return 0;
err1:
input_unregister_device(input);
err:
kfree(dev);
return ret;
}
