60 static inline u32 dwc_pwm_readl(struct dwc_pwm *dwc, u32 offset)  in dwc_pwm_readl()  argument
62 	return readl(dwc->base + offset);  in dwc_pwm_readl()
65 static inline void dwc_pwm_writel(struct dwc_pwm *dwc, u32 value, u32 offset)  in dwc_pwm_writel()  argument
67 	writel(value, dwc->base + offset);  in dwc_pwm_writel()
70 static void __dwc_pwm_set_enable(struct dwc_pwm *dwc, int pwm, int enabled)  in __dwc_pwm_set_enable()  argument
74 	reg = dwc_pwm_readl(dwc, DWC_TIM_CTRL(pwm));  in __dwc_pwm_set_enable()
81 	dwc_pwm_writel(dwc, reg, DWC_TIM_CTRL(pwm));  in __dwc_pwm_set_enable()
84 static int __dwc_pwm_configure_timer(struct dwc_pwm *dwc,  in __dwc_pwm_configure_timer()  argument
116 	__dwc_pwm_set_enable(dwc, pwm->hwpwm, false);  in __dwc_pwm_configure_timer()
124 	dwc_pwm_writel(dwc, low, DWC_TIM_LD_CNT(pwm->hwpwm));  in __dwc_pwm_configure_timer()
125 	dwc_pwm_writel(dwc, high, DWC_TIM_LD_CNT2(pwm->hwpwm));  in __dwc_pwm_configure_timer()
134 	dwc_pwm_writel(dwc, ctrl, DWC_TIM_CTRL(pwm->hwpwm));  in __dwc_pwm_configure_timer()
139 	__dwc_pwm_set_enable(dwc, pwm->hwpwm, state->enabled);  in __dwc_pwm_configure_timer()
147 	struct dwc_pwm *dwc = to_dwc_pwm(chip);  in dwc_pwm_apply()  local
155 		return __dwc_pwm_configure_timer(dwc, pwm, state);  in dwc_pwm_apply()
158 			__dwc_pwm_set_enable(dwc, pwm->hwpwm, false);  in dwc_pwm_apply()
169 	struct dwc_pwm *dwc = to_dwc_pwm(chip);  in dwc_pwm_get_state()  local
174 	state->enabled = !!(dwc_pwm_readl(dwc,  in dwc_pwm_get_state()
177 	duty = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(pwm->hwpwm));  in dwc_pwm_get_state()
182 	period = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(pwm->hwpwm));  in dwc_pwm_get_state()
203 	struct dwc_pwm *dwc;  in dwc_pwm_alloc()  local
205 	dwc = devm_kzalloc(dev, sizeof(*dwc), GFP_KERNEL);  in dwc_pwm_alloc()
206 	if (!dwc)  in dwc_pwm_alloc()
209 	dwc->chip.dev = dev;  in dwc_pwm_alloc()
210 	dwc->chip.ops = &dwc_pwm_ops;  in dwc_pwm_alloc()
211 	dwc->chip.npwm = DWC_TIMERS_TOTAL;  in dwc_pwm_alloc()
213 	dev_set_drvdata(dev, dwc);  in dwc_pwm_alloc()
214 	return dwc;  in dwc_pwm_alloc()
220 	struct dwc_pwm *dwc;  in dwc_pwm_probe()  local
223 	dwc = dwc_pwm_alloc(dev);  in dwc_pwm_probe()
224 	if (!dwc)  in dwc_pwm_probe()
241 	dwc->base = pcim_iomap_table(pci)[0];  in dwc_pwm_probe()
242 	if (!dwc->base) {  in dwc_pwm_probe()
247 	ret = devm_pwmchip_add(dev, &dwc->chip);  in dwc_pwm_probe()
267 	struct dwc_pwm *dwc = pci_get_drvdata(pdev);  in dwc_pwm_suspend()  local
271 		if (dwc->chip.pwms[i].state.enabled) {  in dwc_pwm_suspend()
273 				i, dwc->chip.pwms[i].label);  in dwc_pwm_suspend()
276 		dwc->ctx[i].cnt = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(i));  in dwc_pwm_suspend()
277 		dwc->ctx[i].cnt2 = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(i));  in dwc_pwm_suspend()
278 		dwc->ctx[i].ctrl = dwc_pwm_readl(dwc, DWC_TIM_CTRL(i));  in dwc_pwm_suspend()
287 	struct dwc_pwm *dwc = pci_get_drvdata(pdev);  in dwc_pwm_resume()  local
291 		dwc_pwm_writel(dwc, dwc->ctx[i].cnt, DWC_TIM_LD_CNT(i));  in dwc_pwm_resume()
292 		dwc_pwm_writel(dwc, dwc->ctx[i].cnt2, DWC_TIM_LD_CNT2(i));  in dwc_pwm_resume()
293 		dwc_pwm_writel(dwc, dwc->ctx[i].ctrl, DWC_TIM_CTRL(i));  in dwc_pwm_resume()
309 	.name = "pwm-dwc",