Lines Matching refs:pchip
59 static int lm3630a_read(struct lm3630a_chip *pchip, unsigned int reg) in lm3630a_read() argument
64 rval = regmap_read(pchip->regmap, reg, ®_val); in lm3630a_read()
70 static int lm3630a_write(struct lm3630a_chip *pchip, in lm3630a_write() argument
73 return regmap_write(pchip->regmap, reg, data); in lm3630a_write()
76 static int lm3630a_update(struct lm3630a_chip *pchip, in lm3630a_update() argument
80 return regmap_update_bits(pchip->regmap, reg, mask, data); in lm3630a_update()
84 static int lm3630a_chip_init(struct lm3630a_chip *pchip) in lm3630a_chip_init() argument
87 struct lm3630a_platform_data *pdata = pchip->pdata; in lm3630a_chip_init()
91 rval = lm3630a_write(pchip, REG_FILTER_STRENGTH, 0x03); in lm3630a_chip_init()
93 rval |= lm3630a_update(pchip, REG_CONFIG, 0x07, pdata->pwm_ctrl); in lm3630a_chip_init()
95 rval |= lm3630a_write(pchip, REG_BOOST, 0x38); in lm3630a_chip_init()
97 rval |= lm3630a_update(pchip, REG_I_A, 0x1F, 0x1F); in lm3630a_chip_init()
99 rval |= lm3630a_write(pchip, REG_I_B, 0x1F); in lm3630a_chip_init()
101 rval |= lm3630a_update(pchip, REG_CTRL, 0x14, pdata->leda_ctrl); in lm3630a_chip_init()
102 rval |= lm3630a_update(pchip, REG_CTRL, 0x0B, pdata->ledb_ctrl); in lm3630a_chip_init()
105 rval |= lm3630a_write(pchip, REG_BRT_A, pdata->leda_init_brt); in lm3630a_chip_init()
106 rval |= lm3630a_write(pchip, REG_BRT_B, pdata->ledb_init_brt); in lm3630a_chip_init()
109 dev_err(pchip->dev, "i2c failed to access register\n"); in lm3630a_chip_init()
117 struct lm3630a_chip *pchip; in lm3630a_delayed_func() local
119 pchip = container_of(work, struct lm3630a_chip, work.work); in lm3630a_delayed_func()
121 rval = lm3630a_read(pchip, REG_INT_STATUS); in lm3630a_delayed_func()
123 dev_err(pchip->dev, in lm3630a_delayed_func()
128 dev_info(pchip->dev, "REG_INT_STATUS Register is 0x%x\n", rval); in lm3630a_delayed_func()
134 struct lm3630a_chip *pchip = chip; in lm3630a_isr_func() local
137 queue_delayed_work(pchip->irqthread, &pchip->work, delay); in lm3630a_isr_func()
139 rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); in lm3630a_isr_func()
141 dev_err(pchip->dev, "i2c failed to access register\n"); in lm3630a_isr_func()
147 static int lm3630a_intr_config(struct lm3630a_chip *pchip) in lm3630a_intr_config() argument
151 rval = lm3630a_write(pchip, REG_INT_EN, 0x87); in lm3630a_intr_config()
155 INIT_DELAYED_WORK(&pchip->work, lm3630a_delayed_func); in lm3630a_intr_config()
156 pchip->irqthread = create_singlethread_workqueue("lm3630a-irqthd"); in lm3630a_intr_config()
157 if (!pchip->irqthread) { in lm3630a_intr_config()
158 dev_err(pchip->dev, "create irq thread fail\n"); in lm3630a_intr_config()
162 (pchip->irq, NULL, lm3630a_isr_func, in lm3630a_intr_config()
163 IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "lm3630a_irq", pchip)) { in lm3630a_intr_config()
164 dev_err(pchip->dev, "request threaded irq fail\n"); in lm3630a_intr_config()
165 destroy_workqueue(pchip->irqthread); in lm3630a_intr_config()
171 static int lm3630a_pwm_ctrl(struct lm3630a_chip *pchip, int br, int br_max) in lm3630a_pwm_ctrl() argument
175 pchip->pwmd_state.period = pchip->pdata->pwm_period; in lm3630a_pwm_ctrl()
177 err = pwm_set_relative_duty_cycle(&pchip->pwmd_state, br, br_max); in lm3630a_pwm_ctrl()
181 pchip->pwmd_state.enabled = pchip->pwmd_state.duty_cycle ? true : false; in lm3630a_pwm_ctrl()
183 return pwm_apply_state(pchip->pwmd, &pchip->pwmd_state); in lm3630a_pwm_ctrl()
190 struct lm3630a_chip *pchip = bl_get_data(bl); in lm3630a_bank_a_update_status() local
191 enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; in lm3630a_bank_a_update_status()
195 return lm3630a_pwm_ctrl(pchip, bl->props.brightness, in lm3630a_bank_a_update_status()
199 ret = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); in lm3630a_bank_a_update_status()
204 ret = lm3630a_write(pchip, REG_BRT_A, bl->props.brightness); in lm3630a_bank_a_update_status()
206 ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDA_ENABLE, 0); in lm3630a_bank_a_update_status()
208 ret |= lm3630a_update(pchip, REG_CTRL, in lm3630a_bank_a_update_status()
215 dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret)); in lm3630a_bank_a_update_status()
222 struct lm3630a_chip *pchip = bl_get_data(bl); in lm3630a_bank_a_get_brightness() local
223 enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; in lm3630a_bank_a_get_brightness()
226 rval = lm3630a_read(pchip, REG_PWM_OUTHIGH); in lm3630a_bank_a_get_brightness()
230 rval = lm3630a_read(pchip, REG_PWM_OUTLOW); in lm3630a_bank_a_get_brightness()
238 rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); in lm3630a_bank_a_get_brightness()
242 rval = lm3630a_read(pchip, REG_BRT_A); in lm3630a_bank_a_get_brightness()
251 dev_err(pchip->dev, "i2c failed to access register\n"); in lm3630a_bank_a_get_brightness()
265 struct lm3630a_chip *pchip = bl_get_data(bl); in lm3630a_bank_b_update_status() local
266 enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; in lm3630a_bank_b_update_status()
270 return lm3630a_pwm_ctrl(pchip, bl->props.brightness, in lm3630a_bank_b_update_status()
274 ret = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); in lm3630a_bank_b_update_status()
279 ret = lm3630a_write(pchip, REG_BRT_B, bl->props.brightness); in lm3630a_bank_b_update_status()
281 ret |= lm3630a_update(pchip, REG_CTRL, LM3630A_LEDB_ENABLE, 0); in lm3630a_bank_b_update_status()
283 ret |= lm3630a_update(pchip, REG_CTRL, in lm3630a_bank_b_update_status()
290 dev_err(pchip->dev, "i2c failed to access (%pe)\n", ERR_PTR(ret)); in lm3630a_bank_b_update_status()
297 struct lm3630a_chip *pchip = bl_get_data(bl); in lm3630a_bank_b_get_brightness() local
298 enum lm3630a_pwm_ctrl pwm_ctrl = pchip->pdata->pwm_ctrl; in lm3630a_bank_b_get_brightness()
301 rval = lm3630a_read(pchip, REG_PWM_OUTHIGH); in lm3630a_bank_b_get_brightness()
305 rval = lm3630a_read(pchip, REG_PWM_OUTLOW); in lm3630a_bank_b_get_brightness()
313 rval = lm3630a_update(pchip, REG_CTRL, 0x80, 0x00); in lm3630a_bank_b_get_brightness()
317 rval = lm3630a_read(pchip, REG_BRT_B); in lm3630a_bank_b_get_brightness()
326 dev_err(pchip->dev, "i2c failed to access register\n"); in lm3630a_bank_b_get_brightness()
336 static int lm3630a_backlight_register(struct lm3630a_chip *pchip) in lm3630a_backlight_register() argument
338 struct lm3630a_platform_data *pdata = pchip->pdata; in lm3630a_backlight_register()
347 pchip->bleda = in lm3630a_backlight_register()
348 devm_backlight_device_register(pchip->dev, label, in lm3630a_backlight_register()
349 pchip->dev, pchip, in lm3630a_backlight_register()
351 if (IS_ERR(pchip->bleda)) in lm3630a_backlight_register()
352 return PTR_ERR(pchip->bleda); in lm3630a_backlight_register()
360 pchip->bledb = in lm3630a_backlight_register()
361 devm_backlight_device_register(pchip->dev, label, in lm3630a_backlight_register()
362 pchip->dev, pchip, in lm3630a_backlight_register()
364 if (IS_ERR(pchip->bledb)) in lm3630a_backlight_register()
365 return PTR_ERR(pchip->bledb); in lm3630a_backlight_register()
477 static int lm3630a_parse_node(struct lm3630a_chip *pchip, in lm3630a_parse_node() argument
483 device_for_each_child_node(pchip->dev, node) { in lm3630a_parse_node()
498 struct lm3630a_chip *pchip; in lm3630a_probe() local
506 pchip = devm_kzalloc(&client->dev, sizeof(struct lm3630a_chip), in lm3630a_probe()
508 if (!pchip) in lm3630a_probe()
510 pchip->dev = &client->dev; in lm3630a_probe()
512 pchip->regmap = devm_regmap_init_i2c(client, &lm3630a_regmap); in lm3630a_probe()
513 if (IS_ERR(pchip->regmap)) { in lm3630a_probe()
514 rval = PTR_ERR(pchip->regmap); in lm3630a_probe()
519 i2c_set_clientdata(client, pchip); in lm3630a_probe()
521 pdata = devm_kzalloc(pchip->dev, in lm3630a_probe()
533 rval = lm3630a_parse_node(pchip, pdata); in lm3630a_probe()
539 pchip->pdata = pdata; in lm3630a_probe()
541 pchip->enable_gpio = devm_gpiod_get_optional(&client->dev, "enable", in lm3630a_probe()
543 if (IS_ERR(pchip->enable_gpio)) { in lm3630a_probe()
544 rval = PTR_ERR(pchip->enable_gpio); in lm3630a_probe()
549 rval = lm3630a_chip_init(pchip); in lm3630a_probe()
555 rval = lm3630a_backlight_register(pchip); in lm3630a_probe()
562 pchip->pwmd = devm_pwm_get(pchip->dev, "lm3630a-pwm"); in lm3630a_probe()
563 if (IS_ERR(pchip->pwmd)) { in lm3630a_probe()
565 return PTR_ERR(pchip->pwmd); in lm3630a_probe()
568 pwm_init_state(pchip->pwmd, &pchip->pwmd_state); in lm3630a_probe()
572 pchip->irq = client->irq; in lm3630a_probe()
573 if (pchip->irq) { in lm3630a_probe()
574 rval = lm3630a_intr_config(pchip); in lm3630a_probe()
585 struct lm3630a_chip *pchip = i2c_get_clientdata(client); in lm3630a_remove() local
587 rval = lm3630a_write(pchip, REG_BRT_A, 0); in lm3630a_remove()
589 dev_err(pchip->dev, "i2c failed to access register\n"); in lm3630a_remove()
591 rval = lm3630a_write(pchip, REG_BRT_B, 0); in lm3630a_remove()
593 dev_err(pchip->dev, "i2c failed to access register\n"); in lm3630a_remove()
595 if (pchip->irq) { in lm3630a_remove()
596 free_irq(pchip->irq, pchip); in lm3630a_remove()
597 destroy_workqueue(pchip->irqthread); in lm3630a_remove()