116 	struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip);  in sun4i_pwm_get_state()  local
121 	clk_rate = clk_get_rate(sun4i_pwm->clk);  in sun4i_pwm_get_state()
123 	val = sun4i_pwm_readl(sun4i_pwm, PWM_CTRL_REG);  in sun4i_pwm_get_state()
131 	    sun4i_pwm->data->has_direct_mod_clk_output) {  in sun4i_pwm_get_state()
140 	    sun4i_pwm->data->has_prescaler_bypass)  in sun4i_pwm_get_state()
159 	val = sun4i_pwm_readl(sun4i_pwm, PWM_CH_PRD(pwm->hwpwm));  in sun4i_pwm_get_state()
168 static int sun4i_pwm_calculate(struct sun4i_pwm_chip *sun4i_pwm,  in sun4i_pwm_calculate()  argument
176 	clk_rate = clk_get_rate(sun4i_pwm->clk);  in sun4i_pwm_calculate()
178 	*bypass = sun4i_pwm->data->has_direct_mod_clk_output &&  in sun4i_pwm_calculate()
188 	if (sun4i_pwm->data->has_prescaler_bypass) {  in sun4i_pwm_calculate()
234 	struct sun4i_pwm_chip *sun4i_pwm = to_sun4i_pwm_chip(chip);  in sun4i_pwm_apply()  local
245 		ret = clk_prepare_enable(sun4i_pwm->clk);  in sun4i_pwm_apply()
252 	ret = sun4i_pwm_calculate(sun4i_pwm, state, &duty, &period, &prescaler,  in sun4i_pwm_apply()
257 			clk_disable_unprepare(sun4i_pwm->clk);  in sun4i_pwm_apply()
261 	spin_lock(&sun4i_pwm->ctrl_lock);  in sun4i_pwm_apply()
262 	ctrl = sun4i_pwm_readl(sun4i_pwm, PWM_CTRL_REG);  in sun4i_pwm_apply()
264 	if (sun4i_pwm->data->has_direct_mod_clk_output) {  in sun4i_pwm_apply()
268 			sun4i_pwm_writel(sun4i_pwm, ctrl, PWM_CTRL_REG);  in sun4i_pwm_apply()
269 			spin_unlock(&sun4i_pwm->ctrl_lock);  in sun4i_pwm_apply()
279 		sun4i_pwm_writel(sun4i_pwm, ctrl, PWM_CTRL_REG);  in sun4i_pwm_apply()
286 	sun4i_pwm_writel(sun4i_pwm, val, PWM_CH_PRD(pwm->hwpwm));  in sun4i_pwm_apply()
287 	sun4i_pwm->next_period[pwm->hwpwm] = jiffies +  in sun4i_pwm_apply()
300 	sun4i_pwm_writel(sun4i_pwm, ctrl, PWM_CTRL_REG);  in sun4i_pwm_apply()
302 	spin_unlock(&sun4i_pwm->ctrl_lock);  in sun4i_pwm_apply()
309 	if (time_before(now, sun4i_pwm->next_period[pwm->hwpwm])) {  in sun4i_pwm_apply()
310 		delay_us = jiffies_to_usecs(sun4i_pwm->next_period[pwm->hwpwm] -  in sun4i_pwm_apply()
318 	spin_lock(&sun4i_pwm->ctrl_lock);  in sun4i_pwm_apply()
319 	ctrl = sun4i_pwm_readl(sun4i_pwm, PWM_CTRL_REG);  in sun4i_pwm_apply()
322 	sun4i_pwm_writel(sun4i_pwm, ctrl, PWM_CTRL_REG);  in sun4i_pwm_apply()
323 	spin_unlock(&sun4i_pwm->ctrl_lock);  in sun4i_pwm_apply()
325 	clk_disable_unprepare(sun4i_pwm->clk);  in sun4i_pwm_apply()