99 	struct pca9685 *pca = gpiochip_get_data(gpio);  in pca9685_pwm_gpio_request()  local
102 	mutex_lock(&pca->lock);  in pca9685_pwm_gpio_request()
104 	pwm = &pca->chip.pwms[offset];  in pca9685_pwm_gpio_request()
107 		mutex_unlock(&pca->lock);  in pca9685_pwm_gpio_request()
113 	mutex_unlock(&pca->lock);  in pca9685_pwm_gpio_request()
114 	pm_runtime_get_sync(pca->chip.dev);  in pca9685_pwm_gpio_request()
118 static bool pca9685_pwm_is_gpio(struct pca9685 *pca, struct pwm_device *pwm)  in pca9685_pwm_is_gpio()  argument
122 	mutex_lock(&pca->lock);  in pca9685_pwm_is_gpio()
131 		for (i = 0; i < pca->gpio.ngpio; i++)  in pca9685_pwm_is_gpio()
132 			if (gpiochip_is_requested(&pca->gpio, i)) {  in pca9685_pwm_is_gpio()
140 	mutex_unlock(&pca->lock);  in pca9685_pwm_is_gpio()
146 	struct pca9685 *pca = gpiochip_get_data(gpio);  in pca9685_pwm_gpio_get()  local
147 	struct pwm_device *pwm = &pca->chip.pwms[offset];  in pca9685_pwm_gpio_get()
150 	regmap_read(pca->regmap, LED_N_ON_H(pwm->hwpwm), &value);  in pca9685_pwm_gpio_get()
158 	struct pca9685 *pca = gpiochip_get_data(gpio);  in pca9685_pwm_gpio_set()  local
159 	struct pwm_device *pwm = &pca->chip.pwms[offset];  in pca9685_pwm_gpio_set()
163 	regmap_write(pca->regmap, LED_N_OFF_L(pwm->hwpwm), 0);  in pca9685_pwm_gpio_set()
164 	regmap_write(pca->regmap, LED_N_OFF_H(pwm->hwpwm), 0);  in pca9685_pwm_gpio_set()
167 	regmap_write(pca->regmap, LED_N_ON_H(pwm->hwpwm), on);  in pca9685_pwm_gpio_set()
172 	struct pca9685 *pca = gpiochip_get_data(gpio);  in pca9685_pwm_gpio_free()  local
176 	pm_runtime_put(pca->chip.dev);  in pca9685_pwm_gpio_free()
177 	mutex_lock(&pca->lock);  in pca9685_pwm_gpio_free()
178 	pwm = &pca->chip.pwms[offset];  in pca9685_pwm_gpio_free()
180 	mutex_unlock(&pca->lock);  in pca9685_pwm_gpio_free()
210 static int pca9685_pwm_gpio_probe(struct pca9685 *pca)  in pca9685_pwm_gpio_probe()  argument
212 	struct device *dev = pca->chip.dev;  in pca9685_pwm_gpio_probe()
214 	mutex_init(&pca->lock);  in pca9685_pwm_gpio_probe()
216 	pca->gpio.label = dev_name(dev);  in pca9685_pwm_gpio_probe()
217 	pca->gpio.parent = dev;  in pca9685_pwm_gpio_probe()
218 	pca->gpio.request = pca9685_pwm_gpio_request;  in pca9685_pwm_gpio_probe()
219 	pca->gpio.free = pca9685_pwm_gpio_free;  in pca9685_pwm_gpio_probe()
220 	pca->gpio.get_direction = pca9685_pwm_gpio_get_direction;  in pca9685_pwm_gpio_probe()
221 	pca->gpio.direction_input = pca9685_pwm_gpio_direction_input;  in pca9685_pwm_gpio_probe()
222 	pca->gpio.direction_output = pca9685_pwm_gpio_direction_output;  in pca9685_pwm_gpio_probe()
223 	pca->gpio.get = pca9685_pwm_gpio_get;  in pca9685_pwm_gpio_probe()
224 	pca->gpio.set = pca9685_pwm_gpio_set;  in pca9685_pwm_gpio_probe()
225 	pca->gpio.base = -1;  in pca9685_pwm_gpio_probe()
226 	pca->gpio.ngpio = PCA9685_MAXCHAN;  in pca9685_pwm_gpio_probe()
227 	pca->gpio.can_sleep = true;  in pca9685_pwm_gpio_probe()
229 	return devm_gpiochip_add_data(dev, &pca->gpio, pca);  in pca9685_pwm_gpio_probe()
232 static inline bool pca9685_pwm_is_gpio(struct pca9685 *pca,  in pca9685_pwm_is_gpio()  argument
238 static inline int pca9685_pwm_gpio_probe(struct pca9685 *pca)  in pca9685_pwm_gpio_probe()  argument
244 static void pca9685_set_sleep_mode(struct pca9685 *pca, bool enable)  in pca9685_set_sleep_mode()  argument
246 	regmap_update_bits(pca->regmap, PCA9685_MODE1,  in pca9685_set_sleep_mode()
257 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_config()  local
262 	if (period_ns != pca->period_ns) {  in pca9685_pwm_config()
275 			pca9685_set_sleep_mode(pca, true);  in pca9685_pwm_config()
278 			regmap_write(pca->regmap, PCA9685_PRESCALE, prescale);  in pca9685_pwm_config()
281 			pca9685_set_sleep_mode(pca, false);  in pca9685_pwm_config()
283 			pca->period_ns = period_ns;  in pca9685_pwm_config()
291 	pca->duty_ns = duty_ns;  in pca9685_pwm_config()
299 		regmap_write(pca->regmap, reg, LED_FULL);  in pca9685_pwm_config()
311 		regmap_write(pca->regmap, reg, 0x0);  in pca9685_pwm_config()
318 		regmap_write(pca->regmap, reg, 0x0);  in pca9685_pwm_config()
326 		regmap_write(pca->regmap, reg, LED_FULL);  in pca9685_pwm_config()
339 	regmap_write(pca->regmap, reg, (int)duty & 0xff);  in pca9685_pwm_config()
346 	regmap_write(pca->regmap, reg, ((int)duty >> 8) & 0xf);  in pca9685_pwm_config()
354 	regmap_write(pca->regmap, reg, 0);  in pca9685_pwm_config()
361 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_enable()  local
373 	regmap_write(pca->regmap, reg, 0);  in pca9685_pwm_enable()
380 	regmap_write(pca->regmap, reg, 0);  in pca9685_pwm_enable()
391 	regmap_update_bits(pca->regmap, reg, LED_FULL, 0x0);  in pca9685_pwm_enable()
398 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_disable()  local
406 	regmap_write(pca->regmap, reg, LED_FULL);  in pca9685_pwm_disable()
414 	regmap_write(pca->regmap, reg, 0x0);  in pca9685_pwm_disable()
419 	struct pca9685 *pca = to_pca(chip);  in pca9685_pwm_request()  local
421 	if (pca9685_pwm_is_gpio(pca, pwm))  in pca9685_pwm_request()
453 	struct pca9685 *pca;  in pca9685_pwm_probe()  local
457 	pca = devm_kzalloc(&client->dev, sizeof(*pca), GFP_KERNEL);  in pca9685_pwm_probe()
458 	if (!pca)  in pca9685_pwm_probe()
461 	pca->regmap = devm_regmap_init_i2c(client, &pca9685_regmap_i2c_config);  in pca9685_pwm_probe()
462 	if (IS_ERR(pca->regmap)) {  in pca9685_pwm_probe()
463 		ret = PTR_ERR(pca->regmap);  in pca9685_pwm_probe()
468 	pca->duty_ns = 0;  in pca9685_pwm_probe()
469 	pca->period_ns = PCA9685_DEFAULT_PERIOD;  in pca9685_pwm_probe()
471 	i2c_set_clientdata(client, pca);  in pca9685_pwm_probe()
473 	regmap_read(pca->regmap, PCA9685_MODE2, &mode2);  in pca9685_pwm_probe()
485 	regmap_write(pca->regmap, PCA9685_MODE2, mode2);  in pca9685_pwm_probe()
488 	regmap_write(pca->regmap, PCA9685_ALL_LED_OFF_L, 0);  in pca9685_pwm_probe()
489 	regmap_write(pca->regmap, PCA9685_ALL_LED_OFF_H, 0);  in pca9685_pwm_probe()
491 	pca->chip.ops = &pca9685_pwm_ops;  in pca9685_pwm_probe()
493 	pca->chip.npwm = PCA9685_MAXCHAN + 1;  in pca9685_pwm_probe()
495 	pca->chip.dev = &client->dev;  in pca9685_pwm_probe()
496 	pca->chip.base = -1;  in pca9685_pwm_probe()
498 	ret = pwmchip_add(&pca->chip);  in pca9685_pwm_probe()
502 	ret = pca9685_pwm_gpio_probe(pca);  in pca9685_pwm_probe()
504 		pwmchip_remove(&pca->chip);  in pca9685_pwm_probe()
521 	struct pca9685 *pca = i2c_get_clientdata(client);  in pca9685_pwm_remove()  local
524 	ret = pwmchip_remove(&pca->chip);  in pca9685_pwm_remove()
535 	struct pca9685 *pca = i2c_get_clientdata(client);  in pca9685_pwm_runtime_suspend()  local
537 	pca9685_set_sleep_mode(pca, true);  in pca9685_pwm_runtime_suspend()
544 	struct pca9685 *pca = i2c_get_clientdata(client);  in pca9685_pwm_runtime_resume()  local
546 	pca9685_set_sleep_mode(pca, false);  in pca9685_pwm_runtime_resume()