Lines Matching +full:hw +full:- +full:blink
1 // SPDX-License-Identifier: GPL-2.0-or-later
43 /* ISINK_CON0: Register to setup the duty cycle of the blink. */
47 /* ISINK_CON1: Register to setup the period of the blink. */
69 * struct mt6323_led - state container for the LED device
83 * struct mt6323_regs - register spec for the LED device
107 * struct mt6323_hwspec - hardware specific parameters
123 * struct mt6323_data - device specific data
133 * struct mt6323_leds - state container for holding LED controller
136 * @hw: the underlying hardware providing shared
145 struct mt6397_chip *hw; member
156 struct mt6323_leds *leds = led->parent; in mt6323_led_hw_brightness()
157 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_led_hw_brightness()
158 struct regmap *regmap = leds->hw->regmap; in mt6323_led_hw_brightness()
169 con2_val |= ISINK_CH_STEP(brightness - 1) | in mt6323_led_hw_brightness()
173 ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[2], led->id), in mt6323_led_hw_brightness()
181 struct mt6323_leds *leds = led->parent; in mt6323_led_hw_off()
182 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_led_hw_off()
183 struct regmap *regmap = leds->hw->regmap; in mt6323_led_hw_off()
187 status = ISINK_CH_EN(led->id); in mt6323_led_hw_off()
188 ret = regmap_update_bits(regmap, regs->isink_en_ctrl, in mt6323_led_hw_off()
189 ISINK_CH_EN_MASK(led->id), ~status); in mt6323_led_hw_off()
194 ret = regmap_update_bits(regmap, regs->top_ckpdn[2], in mt6323_led_hw_off()
195 RG_ISINK_CK_PDN_MASK(led->id), in mt6323_led_hw_off()
196 RG_ISINK_CK_PDN(led->id)); in mt6323_led_hw_off()
207 struct mt6323_leds *leds = led->parent; in mt6323_get_led_hw_brightness()
208 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_get_led_hw_brightness()
209 struct regmap *regmap = leds->hw->regmap; in mt6323_get_led_hw_brightness()
213 ret = regmap_read(regmap, regs->top_ckpdn[2], &status); in mt6323_get_led_hw_brightness()
217 if (status & RG_ISINK_CK_PDN_MASK(led->id)) in mt6323_get_led_hw_brightness()
220 ret = regmap_read(regmap, regs->isink_en_ctrl, &status); in mt6323_get_led_hw_brightness()
224 if (!(status & ISINK_CH_EN(led->id))) in mt6323_get_led_hw_brightness()
227 ret = regmap_read(regmap, ISINK_CON(regs->isink_con[2], led->id), &status); in mt6323_get_led_hw_brightness()
239 struct mt6323_leds *leds = led->parent; in mt6323_led_hw_on()
240 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_led_hw_on()
241 struct regmap *regmap = leds->hw->regmap; in mt6323_led_hw_on()
247 * clock and channel and let work with continuous blink as in mt6323_led_hw_on()
250 ret = regmap_update_bits(regmap, regs->top_ckcon[1], in mt6323_led_hw_on()
251 RG_ISINK_CK_SEL_MASK(led->id), 0); in mt6323_led_hw_on()
255 status = RG_ISINK_CK_PDN(led->id); in mt6323_led_hw_on()
256 ret = regmap_update_bits(regmap, regs->top_ckpdn[2], in mt6323_led_hw_on()
257 RG_ISINK_CK_PDN_MASK(led->id), in mt6323_led_hw_on()
264 ret = regmap_update_bits(regmap, regs->isink_en_ctrl, in mt6323_led_hw_on()
265 ISINK_CH_EN_MASK(led->id), in mt6323_led_hw_on()
266 ISINK_CH_EN(led->id)); in mt6323_led_hw_on()
274 ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[0], led->id), in mt6323_led_hw_on()
280 ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[1], led->id), in mt6323_led_hw_on()
294 struct mt6323_leds *leds = led->parent; in mt6323_led_set_blink()
295 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_led_set_blink()
296 const struct mt6323_hwspec *spec = leds->pdata->spec; in mt6323_led_set_blink()
297 struct regmap *regmap = leds->hw->regmap; in mt6323_led_set_blink()
304 * friendly blink pattern for the LED so using in mt6323_led_set_blink()
315 * to support, fallback into software blink in mt6323_led_set_blink()
319 if (period > spec->max_period) in mt6323_led_set_blink()
320 return -EINVAL; in mt6323_led_set_blink()
326 duty_hw = DIV_ROUND_CLOSEST(*delay_on * 100000ul, period * spec->unit_duty); in mt6323_led_set_blink()
330 return -EINVAL; in mt6323_led_set_blink()
332 mutex_lock(&leds->lock); in mt6323_led_set_blink()
334 * Set max_brightness as the software blink behavior in mt6323_led_set_blink()
335 * when no blink brightness. in mt6323_led_set_blink()
337 if (!led->current_brightness) { in mt6323_led_set_blink()
338 ret = mt6323_led_hw_on(cdev, cdev->max_brightness); in mt6323_led_set_blink()
341 led->current_brightness = cdev->max_brightness; in mt6323_led_set_blink()
344 ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[0], led->id), in mt6323_led_set_blink()
346 ISINK_DIM_DUTY(duty_hw - 1)); in mt6323_led_set_blink()
350 ret = regmap_update_bits(regmap, ISINK_CON(regs->isink_con[1], led->id), in mt6323_led_set_blink()
352 ISINK_DIM_FSEL(period - 1)); in mt6323_led_set_blink()
354 mutex_unlock(&leds->lock); in mt6323_led_set_blink()
363 struct mt6323_leds *leds = led->parent; in mt6323_led_set_brightness()
366 mutex_lock(&leds->lock); in mt6323_led_set_brightness()
368 if (!led->current_brightness && brightness) { in mt6323_led_set_brightness()
382 led->current_brightness = brightness; in mt6323_led_set_brightness()
384 mutex_unlock(&leds->lock); in mt6323_led_set_brightness()
392 struct mt6323_leds *leds = led->parent; in mtk_wled_hw_on()
393 const struct mt6323_regs *regs = leds->pdata->regs; in mtk_wled_hw_on()
394 struct regmap *regmap = leds->hw->regmap; in mtk_wled_hw_on()
397 ret = regmap_clear_bits(regmap, regs->top_ckpdn[0], RG_VWLED_32K_CK_PDN); in mtk_wled_hw_on()
401 ret = regmap_clear_bits(regmap, regs->top_ckpdn[0], RG_VWLED_6M_CK_PDN); in mtk_wled_hw_on()
405 ret = regmap_clear_bits(regmap, regs->top_ckpdn[0], RG_VWLED_1M_CK_PDN); in mtk_wled_hw_on()
412 ret = regmap_set_bits(regmap, regs->iwled_en_ctrl, BIT(led->id)); in mtk_wled_hw_on()
416 ret = regmap_set_bits(regmap, regs->iwled_en_ctrl, BIT(led->id + 1)); in mtk_wled_hw_on()
426 struct mt6323_leds *leds = led->parent; in mtk_wled_hw_off()
427 const struct mt6323_regs *regs = leds->pdata->regs; in mtk_wled_hw_off()
428 struct regmap *regmap = leds->hw->regmap; in mtk_wled_hw_off()
431 ret = regmap_clear_bits(regmap, regs->iwled_en_ctrl, BIT(led->id + 1)); in mtk_wled_hw_off()
435 ret = regmap_clear_bits(regmap, regs->iwled_en_ctrl, BIT(led->id)); in mtk_wled_hw_off()
439 ret = regmap_set_bits(regmap, regs->top_ckpdn[0], RG_VWLED_32K_CK_PDN); in mtk_wled_hw_off()
443 ret = regmap_set_bits(regmap, regs->top_ckpdn[0], RG_VWLED_6M_CK_PDN); in mtk_wled_hw_off()
447 ret = regmap_set_bits(regmap, regs->top_ckpdn[0], RG_VWLED_1M_CK_PDN); in mtk_wled_hw_off()
457 struct mt6323_leds *leds = led->parent; in mt6323_get_wled_brightness()
458 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_get_wled_brightness()
459 struct regmap *regmap = leds->hw->regmap; in mt6323_get_wled_brightness()
463 ret = regmap_read(regmap, regs->iwled_en_ctrl, &status); in mt6323_get_wled_brightness()
468 status &= BIT(led->id) | BIT(led->id + 1); in mt6323_get_wled_brightness()
470 return status ? led->current_brightness : 0; in mt6323_get_wled_brightness()
477 struct mt6323_leds *leds = led->parent; in mt6323_wled_set_brightness()
480 mutex_lock(&leds->lock); in mt6323_wled_set_brightness()
483 if (!led->current_brightness) in mt6323_wled_set_brightness()
493 led->current_brightness = brightness; in mt6323_wled_set_brightness()
495 mutex_unlock(&leds->lock); in mt6323_wled_set_brightness()
510 ret = mt6323_led_set_brightness(cdev, cdev->max_brightness); in mt6323_led_set_dt_default()
516 led->current_brightness = ret; in mt6323_led_set_dt_default()
528 struct device *dev = &pdev->dev; in mt6323_led_probe()
530 struct mt6397_chip *hw = dev_get_drvdata(dev->parent); in mt6323_led_probe() local
542 return -ENOMEM; in mt6323_led_probe()
545 leds->dev = dev; in mt6323_led_probe()
546 leds->pdata = device_get_match_data(dev); in mt6323_led_probe()
547 regs = leds->pdata->regs; in mt6323_led_probe()
548 spec = leds->pdata->spec; in mt6323_led_probe()
549 max_leds = spec->max_leds + spec->max_wleds; in mt6323_led_probe()
552 * leds->hw points to the underlying bus for the register in mt6323_led_probe()
555 leds->hw = hw; in mt6323_led_probe()
556 mutex_init(&leds->lock); in mt6323_led_probe()
559 ret = regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], in mt6323_led_probe()
562 dev_err(leds->dev, in mt6323_led_probe()
578 leds->led[reg]) { in mt6323_led_probe()
580 return -EINVAL; in mt6323_led_probe()
585 return -ENOMEM; in mt6323_led_probe()
587 is_wled = of_property_read_bool(child, "mediatek,is-wled"); in mt6323_led_probe()
589 leds->led[reg] = led; in mt6323_led_probe()
590 leds->led[reg]->id = reg; in mt6323_led_probe()
591 leds->led[reg]->cdev.max_brightness = spec->max_brightness; in mt6323_led_probe()
594 leds->led[reg]->cdev.brightness_set_blocking = in mt6323_led_probe()
596 leds->led[reg]->cdev.brightness_get = in mt6323_led_probe()
599 leds->led[reg]->cdev.brightness_set_blocking = in mt6323_led_probe()
601 leds->led[reg]->cdev.blink_set = mt6323_led_set_blink; in mt6323_led_probe()
602 leds->led[reg]->cdev.brightness_get = in mt6323_led_probe()
605 leds->led[reg]->parent = leds; in mt6323_led_probe()
607 ret = mt6323_led_set_dt_default(&leds->led[reg]->cdev, child); in mt6323_led_probe()
609 dev_err(leds->dev, in mt6323_led_probe()
616 ret = devm_led_classdev_register_ext(dev, &leds->led[reg]->cdev, in mt6323_led_probe()
630 const struct mt6323_regs *regs = leds->pdata->regs; in mt6323_led_remove()
634 for (i = 0 ; leds->led[i] ; i++) in mt6323_led_remove()
635 mt6323_led_hw_off(&leds->led[i]->cdev); in mt6323_led_remove()
637 regmap_update_bits(leds->hw->regmap, regs->top_ckpdn[0], in mt6323_led_remove()
641 mutex_destroy(&leds->lock); in mt6323_led_remove()
707 { .compatible = "mediatek,mt6323-led", .data = &mt6323_pdata},
708 { .compatible = "mediatek,mt6331-led", .data = &mt6331_pdata },
709 { .compatible = "mediatek,mt6332-led", .data = &mt6332_pdata },
718 .name = "mt6323-led",