39 #define REG_CTRL(pwm)		(((pwm) << 4) + 0x00)  argument
40 #define REG_SCALAR(pwm)		(((pwm) << 4) + 0x04)  argument
41 #define REG_PERIOD(pwm)		(((pwm) << 4) + 0x08)  argument
42 #define REG_DUTY(pwm)		(((pwm) << 4) + 0x0C)  argument
80 static int vt8500_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,  in vt8500_pwm_config()  argument
116 	writel(prescale, vt8500->base + REG_SCALAR(pwm->hwpwm));  in vt8500_pwm_config()
117 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_SCALAR_UPDATE);  in vt8500_pwm_config()
119 	writel(pv, vt8500->base + REG_PERIOD(pwm->hwpwm));  in vt8500_pwm_config()
120 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_PERIOD_UPDATE);  in vt8500_pwm_config()
122 	writel(dc, vt8500->base + REG_DUTY(pwm->hwpwm));  in vt8500_pwm_config()
123 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_DUTY_UPDATE);  in vt8500_pwm_config()
125 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_config()
127 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_config()
128 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);  in vt8500_pwm_config()
134 static int vt8500_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm)  in vt8500_pwm_enable()  argument
146 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_enable()
148 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_enable()
149 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);  in vt8500_pwm_enable()
154 static void vt8500_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)  in vt8500_pwm_disable()  argument
159 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_disable()
161 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_disable()
162 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);  in vt8500_pwm_disable()
168 				   struct pwm_device *pwm,  in vt8500_pwm_set_polarity()  argument
174 	val = readl(vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_set_polarity()
181 	writel(val, vt8500->base + REG_CTRL(pwm->hwpwm));  in vt8500_pwm_set_polarity()
182 	pwm_busy_wait(vt8500, pwm->hwpwm, STATUS_CTRL_UPDATE);  in vt8500_pwm_set_polarity()