130 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_calculate_cprd_and_pres()  local
135 	cycles *= clk_get_rate(atmel_pwm->clk);  in atmel_pwm_calculate_cprd_and_pres()
143 	shift = fls(cycles) - atmel_pwm->data->cfg.period_bits;  in atmel_pwm_calculate_cprd_and_pres()
173 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_update_cdty()  local
176 	if (atmel_pwm->data->regs.duty_upd ==  in atmel_pwm_update_cdty()
177 	    atmel_pwm->data->regs.period_upd) {  in atmel_pwm_update_cdty()
178 		val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_update_cdty()
180 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_update_cdty()
183 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_update_cdty()
184 			    atmel_pwm->data->regs.duty_upd, cdty);  in atmel_pwm_update_cdty()
191 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_set_cprd_cdty()  local
193 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_set_cprd_cdty()
194 			    atmel_pwm->data->regs.duty, cdty);  in atmel_pwm_set_cprd_cdty()
195 	atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm,  in atmel_pwm_set_cprd_cdty()
196 			    atmel_pwm->data->regs.period, cprd);  in atmel_pwm_set_cprd_cdty()
202 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_disable()  local
209 	mutex_lock(&atmel_pwm->isr_lock);  in atmel_pwm_disable()
210 	atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_disable()
212 	while (!(atmel_pwm->updated_pwms & (1 << pwm->hwpwm)) &&  in atmel_pwm_disable()
215 		atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_disable()
218 	mutex_unlock(&atmel_pwm->isr_lock);  in atmel_pwm_disable()
219 	atmel_pwm_writel(atmel_pwm, PWM_DIS, 1 << pwm->hwpwm);  in atmel_pwm_disable()
227 	while ((atmel_pwm_readl(atmel_pwm, PWM_SR) & (1 << pwm->hwpwm)) &&  in atmel_pwm_disable()
232 		clk_disable(atmel_pwm->clk);  in atmel_pwm_disable()
238 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_apply()  local
250 			cprd = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_apply()
251 						  atmel_pwm->data->regs.period);  in atmel_pwm_apply()
270 			ret = clk_enable(atmel_pwm->clk);  in atmel_pwm_apply()
278 		val = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_apply()
284 		atmel_pwm_ch_writel(atmel_pwm, pwm->hwpwm, PWM_CMR, val);  in atmel_pwm_apply()
286 		mutex_lock(&atmel_pwm->isr_lock);  in atmel_pwm_apply()
287 		atmel_pwm->updated_pwms |= atmel_pwm_readl(atmel_pwm, PWM_ISR);  in atmel_pwm_apply()
288 		atmel_pwm->updated_pwms &= ~(1 << pwm->hwpwm);  in atmel_pwm_apply()
289 		mutex_unlock(&atmel_pwm->isr_lock);  in atmel_pwm_apply()
290 		atmel_pwm_writel(atmel_pwm, PWM_ENA, 1 << pwm->hwpwm);  in atmel_pwm_apply()
301 	struct atmel_pwm_chip *atmel_pwm = to_atmel_pwm_chip(chip);  in atmel_pwm_get_state()  local
304 	sr = atmel_pwm_readl(atmel_pwm, PWM_SR);  in atmel_pwm_get_state()
305 	cmr = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm, PWM_CMR);  in atmel_pwm_get_state()
308 		unsigned long rate = clk_get_rate(atmel_pwm->clk);  in atmel_pwm_get_state()
314 		cprd = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_get_state()
315 					  atmel_pwm->data->regs.period);  in atmel_pwm_get_state()
320 		cdty = atmel_pwm_ch_readl(atmel_pwm, pwm->hwpwm,  in atmel_pwm_get_state()
321 					  atmel_pwm->data->regs.duty);  in atmel_pwm_get_state()
403 	struct atmel_pwm_chip *atmel_pwm;  in atmel_pwm_probe()  local
407 	atmel_pwm = devm_kzalloc(&pdev->dev, sizeof(*atmel_pwm), GFP_KERNEL);  in atmel_pwm_probe()
408 	if (!atmel_pwm)  in atmel_pwm_probe()
411 	mutex_init(&atmel_pwm->isr_lock);  in atmel_pwm_probe()
412 	atmel_pwm->data = of_device_get_match_data(&pdev->dev);  in atmel_pwm_probe()
413 	atmel_pwm->updated_pwms = 0;  in atmel_pwm_probe()
416 	atmel_pwm->base = devm_ioremap_resource(&pdev->dev, res);  in atmel_pwm_probe()
417 	if (IS_ERR(atmel_pwm->base))  in atmel_pwm_probe()
418 		return PTR_ERR(atmel_pwm->base);  in atmel_pwm_probe()
420 	atmel_pwm->clk = devm_clk_get(&pdev->dev, NULL);  in atmel_pwm_probe()
421 	if (IS_ERR(atmel_pwm->clk))  in atmel_pwm_probe()
422 		return PTR_ERR(atmel_pwm->clk);  in atmel_pwm_probe()
424 	ret = clk_prepare(atmel_pwm->clk);  in atmel_pwm_probe()
430 	atmel_pwm->chip.dev = &pdev->dev;  in atmel_pwm_probe()
431 	atmel_pwm->chip.ops = &atmel_pwm_ops;  in atmel_pwm_probe()
432 	atmel_pwm->chip.of_xlate = of_pwm_xlate_with_flags;  in atmel_pwm_probe()
433 	atmel_pwm->chip.of_pwm_n_cells = 3;  in atmel_pwm_probe()
434 	atmel_pwm->chip.base = -1;  in atmel_pwm_probe()
435 	atmel_pwm->chip.npwm = 4;  in atmel_pwm_probe()
437 	ret = pwmchip_add(&atmel_pwm->chip);  in atmel_pwm_probe()
443 	platform_set_drvdata(pdev, atmel_pwm);  in atmel_pwm_probe()
448 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_probe()
454 	struct atmel_pwm_chip *atmel_pwm = platform_get_drvdata(pdev);  in atmel_pwm_remove()  local
456 	clk_unprepare(atmel_pwm->clk);  in atmel_pwm_remove()
457 	mutex_destroy(&atmel_pwm->isr_lock);  in atmel_pwm_remove()
459 	return pwmchip_remove(&atmel_pwm->chip);  in atmel_pwm_remove()