108 				struct pwm_device *pwm,  in sun4i_pwm_get_state()  argument
123 		prescaler = prescaler_table[PWM_REG_PRESCAL(val, pwm->hwpwm)];  in sun4i_pwm_get_state()
128 	if (val & BIT_CH(PWM_ACT_STATE, pwm->hwpwm))  in sun4i_pwm_get_state()
133 	if (val & BIT_CH(PWM_CLK_GATING | PWM_EN, pwm->hwpwm))  in sun4i_pwm_get_state()
138 	val = sun4i_pwm_readl(sun4i_pwm, PWM_CH_PRD(pwm->hwpwm));  in sun4i_pwm_get_state()
204 static int sun4i_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm,  in sun4i_pwm_apply()  argument
214 	pwm_get_state(pwm, &cstate);  in sun4i_pwm_apply()
242 		if (PWM_REG_PRESCAL(ctrl, pwm->hwpwm) != prescaler) {  in sun4i_pwm_apply()
244 			ctrl &= ~BIT_CH(PWM_CLK_GATING, pwm->hwpwm);  in sun4i_pwm_apply()
247 			ctrl &= ~BIT_CH(PWM_PRESCAL_MASK, pwm->hwpwm);  in sun4i_pwm_apply()
248 			ctrl |= BIT_CH(prescaler, pwm->hwpwm);  in sun4i_pwm_apply()
252 		sun4i_pwm_writel(sun4i_pwm, val, PWM_CH_PRD(pwm->hwpwm));  in sun4i_pwm_apply()
253 		sun4i_pwm->next_period[pwm->hwpwm] = jiffies +  in sun4i_pwm_apply()
255 		sun4i_pwm->needs_delay[pwm->hwpwm] = true;  in sun4i_pwm_apply()
259 		ctrl &= ~BIT_CH(PWM_ACT_STATE, pwm->hwpwm);  in sun4i_pwm_apply()
261 		ctrl |= BIT_CH(PWM_ACT_STATE, pwm->hwpwm);  in sun4i_pwm_apply()
263 	ctrl |= BIT_CH(PWM_CLK_GATING, pwm->hwpwm);  in sun4i_pwm_apply()
265 		ctrl |= BIT_CH(PWM_EN, pwm->hwpwm);  in sun4i_pwm_apply()
266 	} else if (!sun4i_pwm->needs_delay[pwm->hwpwm]) {  in sun4i_pwm_apply()
267 		ctrl &= ~BIT_CH(PWM_EN, pwm->hwpwm);  in sun4i_pwm_apply()
268 		ctrl &= ~BIT_CH(PWM_CLK_GATING, pwm->hwpwm);  in sun4i_pwm_apply()
278 	if (!sun4i_pwm->needs_delay[pwm->hwpwm]) {  in sun4i_pwm_apply()
285 	if (sun4i_pwm->needs_delay[pwm->hwpwm] &&  in sun4i_pwm_apply()
286 	    time_before(now, sun4i_pwm->next_period[pwm->hwpwm])) {  in sun4i_pwm_apply()
287 		delay_us = jiffies_to_usecs(sun4i_pwm->next_period[pwm->hwpwm] -  in sun4i_pwm_apply()
294 	sun4i_pwm->needs_delay[pwm->hwpwm] = false;  in sun4i_pwm_apply()
298 	ctrl &= ~BIT_CH(PWM_CLK_GATING, pwm->hwpwm);  in sun4i_pwm_apply()
299 	ctrl &= ~BIT_CH(PWM_EN, pwm->hwpwm);  in sun4i_pwm_apply()
368 	struct sun4i_pwm_chip *pwm;  in sun4i_pwm_probe()  local
375 	pwm = devm_kzalloc(&pdev->dev, sizeof(*pwm), GFP_KERNEL);  in sun4i_pwm_probe()
376 	if (!pwm)  in sun4i_pwm_probe()
380 	pwm->base = devm_ioremap_resource(&pdev->dev, res);  in sun4i_pwm_probe()
381 	if (IS_ERR(pwm->base))  in sun4i_pwm_probe()
382 		return PTR_ERR(pwm->base);  in sun4i_pwm_probe()
384 	pwm->clk = devm_clk_get(&pdev->dev, NULL);  in sun4i_pwm_probe()
385 	if (IS_ERR(pwm->clk))  in sun4i_pwm_probe()
386 		return PTR_ERR(pwm->clk);  in sun4i_pwm_probe()
388 	pwm->data = match->data;  in sun4i_pwm_probe()
389 	pwm->chip.dev = &pdev->dev;  in sun4i_pwm_probe()
390 	pwm->chip.ops = &sun4i_pwm_ops;  in sun4i_pwm_probe()
391 	pwm->chip.base = -1;  in sun4i_pwm_probe()
392 	pwm->chip.npwm = pwm->data->npwm;  in sun4i_pwm_probe()
393 	pwm->chip.of_xlate = of_pwm_xlate_with_flags;  in sun4i_pwm_probe()
394 	pwm->chip.of_pwm_n_cells = 3;  in sun4i_pwm_probe()
396 	spin_lock_init(&pwm->ctrl_lock);  in sun4i_pwm_probe()
398 	ret = pwmchip_add(&pwm->chip);  in sun4i_pwm_probe()
404 	platform_set_drvdata(pdev, pwm);  in sun4i_pwm_probe()
411 	struct sun4i_pwm_chip *pwm = platform_get_drvdata(pdev);  in sun4i_pwm_remove()  local
413 	return pwmchip_remove(&pwm->chip);  in sun4i_pwm_remove()