static int max77693_restore(struct device *dev)
{
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
int i;
enable_irq(max77693->irq);
for (i = 0; i < ARRAY_SIZE(max77693_dumpaddr_pmic); i++)
max77693_write_reg(i2c, max77693_dumpaddr_pmic[i],
max77693->reg_pmic_dump[i]);
for (i = 0; i < ARRAY_SIZE(max77693_dumpaddr_muic); i++)
max77693_write_reg(i2c, max77693_dumpaddr_muic[i],
max77693->reg_muic_dump[i]);
for (i = 0; i < ARRAY_SIZE(max77693_dumpaddr_haptic); i++)
max77693_write_reg(i2c, max77693_dumpaddr_haptic[i],
max77693->reg_haptic_dump[i]);
return 0;
}
static int max77693_set_bits(struct i2c_client *client, const u8 reg,
const u8 mask, const u8 inval)
{
int ret;
u8 value;
ret = max77693_read_reg(client, reg, &value);
if (unlikely(ret < 0))
return ret;
value = (value & ~mask) | (inval & mask);
ret = max77693_write_reg(client, reg, value);
return ret;
}
static int max77693_chg_set_current_limit(struct regulator_dev *rdev,
int min_uA, int max_uA)
{
unsigned int chg_min_uA = rdev->constraints->min_uA;
int sel = 0;
while (chg_min_uA + CHGIN_ILIM_STEP_20mA * sel < min_uA)
sel++;
if (chg_min_uA + CHGIN_ILIM_STEP_20mA * sel > max_uA)
return -EINVAL;
/* the first four codes for charger current are all 60mA */
sel += 3;
return max77693_write_reg(rdev->regmap,
MAX77693_CHG_REG_CHG_CNFG_09, sel);
}
static void max77693_irq_sync_unlock(struct irq_data *data)
{
struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
int i;
for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
u8 mask_reg = max77693_mask_reg[i];
struct i2c_client *i2c = get_i2c(max77693, i);
if (mask_reg == MAX77693_REG_INVALID ||
IS_ERR_OR_NULL(i2c))
continue;
max77693->irq_masks_cache[i] = max77693->irq_masks_cur[i];
max77693_write_reg(i2c, max77693_mask_reg[i],
max77693->irq_masks_cur[i]);
}
mutex_unlock(&max77693->irqlock);
}
void max77693_haptic_enable(bool on)
{
int ret;
u8 value = MOTOR_LRA | EXT_PWM | DIVIDER_128;
u8 lscnfg_val = 0x00;
if (on) {
value |= MOTOR_EN;
lscnfg_val = 0x80;
}
ret = max77693_update_reg(palau_max77693_pdata.haptic_data->pmic_i2c
, MAX77693_PMIC_REG_LSCNFG, lscnfg_val, 0x80);
if (ret)
pr_err("max77693: pmic i2c error %d\n", ret);
ret = max77693_write_reg(palau_max77693_pdata.haptic_data->haptic_i2c
, MAX77693_HAPTIC_REG_CONFIG2, value);
if (ret)
pr_err("max77693: haptic i2c error %d\n", ret);
}
static void max77693_haptic_i2c(struct max77693_haptic_data *hap_data, bool en)
{
int ret;
u8 value = hap_data->pdata->reg2;
u8 lscnfg_val = 0x00;
if (en) {
value |= MOTOR_EN;
lscnfg_val = 0x80;
}
ret = max77693_update_reg(hap_data->pmic_i2c, MAX77693_PMIC_REG_LSCNFG,
lscnfg_val, 0x80);
if (ret)
pr_err("[VIB] i2c update error %d\n", ret);
ret = max77693_write_reg(hap_data->i2c,
MAX77693_HAPTIC_REG_CONFIG2, value);
if (ret)
pr_err("[VIB] i2c write error %d\n", ret);
}
static int max77693_led_setup(struct max77693_led_data *led_data)
{
int ret = 0;
struct max77693_led *data = led_data->data;
int id = data->id;
int value;
ret |= max77693_write_reg(led_data->i2c, MAX77693_LED_REG_VOUT_CNTL,
MAX77693_BOOST_FLASH_MODE_FLED1);
ret |= max77693_write_reg(led_data->i2c, MAX77693_LED_REG_VOUT_FLASH1,
MAX77693_BOOST_VOUT_FLASH_FROM_VOLT(3300));
ret |= max77693_write_reg(led_data->i2c,
MAX77693_LED_REG_MAX_FLASH1, 0xBC);
ret |= max77693_write_reg(led_data->i2c,
MAX77693_LED_REG_MAX_FLASH2, 0x00);
value = max77693_led_get_en_value(led_data, 0);
ret |= max77693_set_bits(led_data->i2c, MAX77693_LED_REG_FLASH_EN,
led_en_mask[id],
value << led_en_shift[id]);
/* Set TORCH_TMR_DUR or FLASH_TMR_DUR */
if (reg_led_timer[id] == MAX77693_LED_REG_FLASH_TIMER) {
ret |= max77693_write_reg(led_data->i2c, reg_led_timer[id],
(data->timer | data->timer_mode << 7));
} else {
ret |= max77693_write_reg(led_data->i2c, reg_led_timer[id],
0xC0);
}
/* Set current */
ret |= max77693_set_bits(led_data->i2c, reg_led_current[id],
led_current_mask[id],
led_data->brightness << led_current_shift[id]);
return ret;
}
static irqreturn_t max77693_irq_thread(int irq, void *data)
{
struct max77693_dev *max77693 = data;
u8 irq_reg[MAX77693_IRQ_GROUP_NR] = {};
#if defined(CONFIG_SEC_PRODUCT_8930)
u8 tmp_irq_reg[MAX77693_IRQ_GROUP_NR] = {};
#endif
u8 irq_src;
int ret;
int i;
pr_debug("%s: irq gpio pre-state(0x%02x)\n", __func__,
gpio_get_value(max77693->irq_gpio));
clear_retry:
ret = max77693_read_reg(max77693->i2c,
MAX77693_PMIC_REG_INTSRC, &irq_src);
if (ret < 0) {
dev_err(max77693->dev, "Failed to read interrupt source: %d\n",
ret);
return IRQ_NONE;
}
pr_info("%s: interrupt source(0x%02x)\n", __func__, irq_src);
if (irq_src & MAX77693_IRQSRC_CHG) {
/* CHG_INT */
ret = max77693_read_reg(max77693->i2c, MAX77693_CHG_REG_CHG_INT,
&irq_reg[CHG_INT]);
pr_info("%s: charger interrupt(0x%02x)\n",
__func__, irq_reg[CHG_INT]);
#if defined(CONFIG_CHARGER_MAX77803)
/* mask chgin to prevent wcin infinite interrupt
* wcin is unmasked wcin isr
*/
if (irq_reg[CHG_INT] & max77693_irqs[MAX77693_CHG_IRQ_WCIN_I].mask) {
u8 reg_data;
max77693_read_reg(max77693->i2c,
MAX77693_CHG_REG_CHG_INT_MASK, ®_data);
reg_data |= (1 << 5);
max77693_write_reg(max77693->i2c,
MAX77693_CHG_REG_CHG_INT_MASK, reg_data);
}
#endif
}
if (irq_src & MAX77693_IRQSRC_TOP) {
/* TOPSYS_INT */
ret = max77693_read_reg(max77693->i2c,
MAX77693_PMIC_REG_TOPSYS_INT,
&irq_reg[TOPSYS_INT]);
pr_info("%s: topsys interrupt(0x%02x)\n",
__func__, irq_reg[TOPSYS_INT]);
}
if (irq_src & MAX77693_IRQSRC_FLASH) {
/* LED_INT */
ret = max77693_read_reg(max77693->i2c,
MAX77693_LED_REG_FLASH_INT,
&irq_reg[LED_INT]);
pr_info("%s: led interrupt(0x%02x)\n",
__func__, irq_reg[LED_INT]);
}
if (irq_src & MAX77693_IRQSRC_MUIC) {
/* MUIC INT1 ~ INT3 */
max77693_bulk_read(max77693->muic,
MAX77693_MUIC_REG_INT1,
MAX77693_NUM_IRQ_MUIC_REGS,
#if defined(CONFIG_SEC_PRODUCT_8930)
&tmp_irq_reg[MUIC_INT1]);
#else
&irq_reg[MUIC_INT1]);
#endif
#if defined(CONFIG_SEC_PRODUCT_8930)
/* Or temp irq register to irq register for if it retries */
for (i = MUIC_INT1; i < MAX77693_IRQ_GROUP_NR; i++)
irq_reg[i] |= tmp_irq_reg[i];
#endif
pr_info("%s: muic interrupt(0x%02x, 0x%02x, 0x%02x)\n",
__func__, irq_reg[MUIC_INT1],
irq_reg[MUIC_INT2], irq_reg[MUIC_INT3]);
}
int max77693_irq_init(struct max77693_dev *max77693)
{
int i;
int cur_irq;
int ret;
u8 i2c_data;
if (!max77693->irq_gpio) {
dev_warn(max77693->dev, "No interrupt specified.\n");
max77693->irq_base = 0;
return 0;
}
if (!max77693->irq_base) {
dev_err(max77693->dev, "No interrupt base specified.\n");
return 0;
}
mutex_init(&max77693->irqlock);
max77693->irq = gpio_to_irq(max77693->irq_gpio);
ret = gpio_request(max77693->irq_gpio, "if_pmic_irq");
if (ret) {
dev_err(max77693->dev, "%s: failed requesting gpio %d\n",
__func__, max77693->irq_gpio);
return ret;
}
gpio_direction_input(max77693->irq_gpio);
gpio_free(max77693->irq_gpio);
/* Mask individual interrupt sources */
for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
struct i2c_client *i2c;
/* MUIC IRQ 0:MASK 1:NOT MASK */
/* Other IRQ 1:MASK 0:NOT MASK */
if (i >= MUIC_INT1 && i <= MUIC_INT3) {
max77693->irq_masks_cur[i] = 0x00;
max77693->irq_masks_cache[i] = 0x00;
} else {
max77693->irq_masks_cur[i] = 0xff;
max77693->irq_masks_cache[i] = 0xff;
}
i2c = get_i2c(max77693, i);
if (IS_ERR_OR_NULL(i2c))
continue;
if (max77693_mask_reg[i] == MAX77693_REG_INVALID)
continue;
if (i >= MUIC_INT1 && i <= MUIC_INT3)
max77693_write_reg(i2c, max77693_mask_reg[i], 0x00);
else
max77693_write_reg(i2c, max77693_mask_reg[i], 0xff);
}
/* Register with genirq */
for (i = 0; i < MAX77693_IRQ_NR; i++) {
cur_irq = i + max77693->irq_base;
irq_set_chip_data(cur_irq, max77693);
irq_set_chip_and_handler(cur_irq, &max77693_irq_chip,
handle_edge_irq);
irq_set_nested_thread(cur_irq, 1);
#ifdef CONFIG_ARM
set_irq_flags(cur_irq, IRQF_VALID);
#else
irq_set_noprobe(cur_irq);
#endif
}
/* Unmask max77693 interrupt */
ret = max77693_read_reg(max77693->i2c, MAX77693_PMIC_REG_INTSRC_MASK,
&i2c_data);
if (ret) {
dev_err(max77693->dev, "%s: fail to read muic reg\n", __func__);
return ret;
}
i2c_data &= ~(MAX77693_IRQSRC_CHG); /* Unmask charger interrupt */
i2c_data &= ~(MAX77693_IRQSRC_MUIC); /* Unmask muic interrupt */
max77693_write_reg(max77693->i2c, MAX77693_PMIC_REG_INTSRC_MASK,
i2c_data);
ret = request_threaded_irq(max77693->irq, NULL, max77693_irq_thread,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"max77693-irq", max77693);
if (ret) {
dev_err(max77693->dev, "Failed to request IRQ %d: %d\n",
max77693->irq, ret);
return ret;
}
return 0;
}
int max77693_irq_init(struct max77693_dev *max77693)
{
struct irq_domain *domain;
int i;
int ret = 0;
u8 intsrc_mask;
mutex_init(&max77693->irqlock);
/* Mask individual interrupt sources */
for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
struct regmap *map;
/* MUIC IRQ 0:MASK 1:NOT MASK */
/* Other IRQ 1:MASK 0:NOT MASK */
if (i >= MUIC_INT1 && i <= MUIC_INT3) {
max77693->irq_masks_cur[i] = 0x00;
max77693->irq_masks_cache[i] = 0x00;
} else {
max77693->irq_masks_cur[i] = 0xff;
max77693->irq_masks_cache[i] = 0xff;
}
map = max77693_get_regmap(max77693, i);
if (IS_ERR_OR_NULL(map))
continue;
if (max77693_mask_reg[i] == MAX77693_REG_INVALID)
continue;
if (i >= MUIC_INT1 && i <= MUIC_INT3)
max77693_write_reg(map, max77693_mask_reg[i], 0x00);
else
max77693_write_reg(map, max77693_mask_reg[i], 0xff);
}
domain = irq_domain_add_linear(NULL, MAX77693_IRQ_NR,
&max77693_irq_domain_ops, max77693);
if (!domain) {
dev_err(max77693->dev, "could not create irq domain\n");
ret = -ENODEV;
goto err_irq;
}
max77693->irq_domain = domain;
/* Unmask max77693 interrupt */
ret = max77693_read_reg(max77693->regmap,
MAX77693_PMIC_REG_INTSRC_MASK, &intsrc_mask);
if (ret < 0) {
dev_err(max77693->dev, "fail to read PMIC register\n");
goto err_irq;
}
intsrc_mask &= ~(MAX77693_IRQSRC_CHG);
intsrc_mask &= ~(MAX77693_IRQSRC_FLASH);
intsrc_mask &= ~(MAX77693_IRQSRC_MUIC);
ret = max77693_write_reg(max77693->regmap,
MAX77693_PMIC_REG_INTSRC_MASK, intsrc_mask);
if (ret < 0) {
dev_err(max77693->dev, "fail to write PMIC register\n");
goto err_irq;
}
ret = request_threaded_irq(max77693->irq, NULL, max77693_irq_thread,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"max77693-irq", max77693);
if (ret)
dev_err(max77693->dev, "Failed to request IRQ %d: %d\n",
max77693->irq, ret);
err_irq:
return ret;
}
static int max77693_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max77693_dev *max77693;
struct max77693_platform_data *pdata = i2c->dev.platform_data;
u8 reg_data;
int ret = 0;
max77693 = kzalloc(sizeof(struct max77693_dev), GFP_KERNEL);
if (max77693 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, max77693);
max77693->dev = &i2c->dev;
max77693->i2c = i2c;
max77693->irq = i2c->irq;
max77693->type = id->driver_data;
if (pdata) {
max77693->irq_base = pdata->irq_base;
max77693->irq_gpio = pdata->irq_gpio;
max77693->wakeup = pdata->wakeup;
} else
goto err;
mutex_init(&max77693->iolock);
if (max77693_read_reg(i2c, MAX77693_PMIC_REG_PMIC_ID2, ®_data) < 0) {
dev_err(max77693->dev,
"device not found on this channel (this is not an error)\n");
ret = -ENODEV;
goto err;
} else {
/* print rev */
max77693->pmic_rev = (reg_data & 0x7);
max77693->pmic_ver = ((reg_data & 0xF8) >> 0x3);
pr_info("%s: device found: rev.0x%x, ver.0x%x\n", __func__,
max77693->pmic_rev, max77693->pmic_ver);
}
#if defined(CONFIG_MACH_JF_VZW) || defined(CONFIG_MACH_JF_LGT)
if (kernel_sec_get_debug_level() == KERNEL_SEC_DEBUG_LEVEL_LOW) {
pm8xxx_hard_reset_config(PM8XXX_DISABLE_HARD_RESET);
max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x04);
} else {
pm8xxx_hard_reset_config(PM8XXX_DISABLE_HARD_RESET);
max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x0c);
}
#else
if (kernel_sec_get_debug_level() == KERNEL_SEC_DEBUG_LEVEL_LOW) {
max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x04);
} else {
pm8xxx_hard_reset_config(PM8XXX_DISABLE_HARD_RESET);
max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, 0x0c);
}
#endif
max77693_update_reg(i2c, MAX77693_CHG_REG_SAFEOUT_CTRL, 0x00, 0x30);
max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
i2c_set_clientdata(max77693->muic, max77693);
max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
i2c_set_clientdata(max77693->haptic, max77693);
ret = max77693_irq_init(max77693);
if (ret < 0)
goto err_irq_init;
ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
ARRAY_SIZE(max77693_devs), NULL, 0);
if (ret < 0)
goto err_mfd;
device_init_wakeup(max77693->dev, pdata->wakeup);
return ret;
err_mfd:
mfd_remove_devices(max77693->dev);
err_irq_init:
i2c_unregister_device(max77693->muic);
i2c_unregister_device(max77693->haptic);
err:
kfree(max77693);
return ret;
}
static int max77693_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max77693_dev *max77693;
struct max77693_platform_data *pdata = i2c->dev.platform_data;
u8 reg_data;
int ret = 0;
max77693 = kzalloc(sizeof(struct max77693_dev), GFP_KERNEL);
if (max77693 == NULL)
return -ENOMEM;
i2c_set_clientdata(i2c, max77693);
max77693->dev = &i2c->dev;
max77693->i2c = i2c;
max77693->irq = i2c->irq;
max77693->type = id->driver_data;
if (pdata) {
max77693->irq_base = pdata->irq_base;
max77693->irq_gpio = pdata->irq_gpio;
max77693->irq_gpio_label = pdata->irq_gpio_label;
max77693->wakeup = pdata->wakeup;
pdata->haptic_data->pmic_i2c = i2c;
} else {
ret = -EINVAL;
goto err_pdata;
}
mutex_init(&max77693->iolock);
ret = max77693_read_reg(i2c, MAX77693_PMIC_REG_PMIC_ID2, ®_data);
if (unlikely(ret < 0)) {
dev_warn(max77693->dev, "No PMIC Version Information\n");
goto err_i2c;
}
max77693->pmic_rev = PMIC_REV(reg_data);
max77693->pmic_ver = PMIC_VER(reg_data);
reg_data = (pdata->man_reset_timer & MAIN_CTRL1_MRDBTMER_MASK) |
(pdata->man_reset_en << MAIN_CTRL1_MREN_SHIFT);
ret = max77693_write_reg(i2c, MAX77693_PMIC_REG_MAINCTRL1, reg_data);
if (unlikely(ret < 0)) {
dev_warn(max77693->dev, "failed to set manctrl1\n");
goto err_i2c;
}
dev_info(max77693->dev, "%s: rev.0x%x, ver.0x%x, manctrl1: 0x%x\n",
__func__, max77693->pmic_rev, max77693->pmic_ver,
reg_data);
max77693->muic = i2c_new_dummy(i2c->adapter, I2C_ADDR_MUIC);
i2c_set_clientdata(max77693->muic, max77693);
max77693->fuel = i2c_new_dummy(i2c->adapter, I2C_ADDR_FUEL);
i2c_set_clientdata(max77693->fuel, max77693);
max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC);
i2c_set_clientdata(max77693->haptic, max77693);
pdata->haptic_data->haptic_i2c = max77693->haptic;
ret = max77693_irq_init(max77693);
if (ret < 0)
goto err_irq;
ret = mfd_add_devices(max77693->dev, -1, max77693_devs,
ARRAY_SIZE(max77693_devs), NULL, 0);
if (ret < 0)
goto err_mfd;
device_init_wakeup(max77693->dev, pdata->wakeup);
return ret;
err_mfd:
mfd_remove_devices(max77693->dev);
err_irq:
i2c_unregister_device(max77693->muic);
i2c_unregister_device(max77693->fuel);
i2c_unregister_device(max77693->haptic);
err_i2c:
mutex_destroy(&max77693->iolock);
err_pdata:
kfree(max77693);
return ret;
}
