120 static inline unsigned ep93xx_ac97_read_reg(struct ep93xx_ac97_info *info,  in ep93xx_ac97_read_reg()  argument
123 	return __raw_readl(info->regs + reg);  in ep93xx_ac97_read_reg()
126 static inline void ep93xx_ac97_write_reg(struct ep93xx_ac97_info *info,  in ep93xx_ac97_write_reg()  argument
129 	__raw_writel(val, info->regs + reg);  in ep93xx_ac97_write_reg()
135 	struct ep93xx_ac97_info *info = ep93xx_ac97_info;  in ep93xx_ac97_read()  local
138 	mutex_lock(&info->lock);  in ep93xx_ac97_read()
140 	ep93xx_ac97_write_reg(info, AC97S1DATA, reg);  in ep93xx_ac97_read()
141 	ep93xx_ac97_write_reg(info, AC97IM, AC97_SLOT2RXVALID);  in ep93xx_ac97_read()
142 	if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT)) {  in ep93xx_ac97_read()
143 		dev_warn(info->dev, "timeout reading register %x\n", reg);  in ep93xx_ac97_read()
144 		mutex_unlock(&info->lock);  in ep93xx_ac97_read()
147 	val = (unsigned short)ep93xx_ac97_read_reg(info, AC97S2DATA);  in ep93xx_ac97_read()
149 	mutex_unlock(&info->lock);  in ep93xx_ac97_read()
157 	struct ep93xx_ac97_info *info = ep93xx_ac97_info;  in ep93xx_ac97_write()  local
159 	mutex_lock(&info->lock);  in ep93xx_ac97_write()
165 	ep93xx_ac97_write_reg(info, AC97S2DATA, val);  in ep93xx_ac97_write()
166 	ep93xx_ac97_write_reg(info, AC97S1DATA, reg);  in ep93xx_ac97_write()
168 	ep93xx_ac97_write_reg(info, AC97IM, AC97_SLOT2TXCOMPLETE);  in ep93xx_ac97_write()
169 	if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT))  in ep93xx_ac97_write()
170 		dev_warn(info->dev, "timeout writing register %x\n", reg);  in ep93xx_ac97_write()
172 	mutex_unlock(&info->lock);  in ep93xx_ac97_write()
177 	struct ep93xx_ac97_info *info = ep93xx_ac97_info;  in ep93xx_ac97_warm_reset()  local
179 	mutex_lock(&info->lock);  in ep93xx_ac97_warm_reset()
187 	ep93xx_ac97_write_reg(info, AC97SYNC, AC97SYNC_TIMEDSYNC);  in ep93xx_ac97_warm_reset()
188 	ep93xx_ac97_write_reg(info, AC97IM, AC97_CODECREADY);  in ep93xx_ac97_warm_reset()
189 	if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT))  in ep93xx_ac97_warm_reset()
190 		dev_warn(info->dev, "codec warm reset timeout\n");  in ep93xx_ac97_warm_reset()
192 	mutex_unlock(&info->lock);  in ep93xx_ac97_warm_reset()
197 	struct ep93xx_ac97_info *info = ep93xx_ac97_info;  in ep93xx_ac97_cold_reset()  local
199 	mutex_lock(&info->lock);  in ep93xx_ac97_cold_reset()
205 	ep93xx_ac97_write_reg(info, AC97GCR, 0);  in ep93xx_ac97_cold_reset()
206 	ep93xx_ac97_write_reg(info, AC97EOI, AC97EOI_CODECREADY | AC97EOI_WINT);  in ep93xx_ac97_cold_reset()
207 	ep93xx_ac97_write_reg(info, AC97GCR, AC97GCR_AC97IFE);  in ep93xx_ac97_cold_reset()
212 	ep93xx_ac97_write_reg(info, AC97RESET, AC97RESET_TIMEDRESET);  in ep93xx_ac97_cold_reset()
213 	ep93xx_ac97_write_reg(info, AC97IM, AC97_CODECREADY);  in ep93xx_ac97_cold_reset()
214 	if (!wait_for_completion_timeout(&info->done, AC97_TIMEOUT))  in ep93xx_ac97_cold_reset()
215 		dev_warn(info->dev, "codec cold reset timeout\n");  in ep93xx_ac97_cold_reset()
223 	mutex_unlock(&info->lock);  in ep93xx_ac97_cold_reset()
228 	struct ep93xx_ac97_info *info = dev_id;  in ep93xx_ac97_interrupt()  local
236 	status = ep93xx_ac97_read_reg(info, AC97GIS);  in ep93xx_ac97_interrupt()
237 	mask = ep93xx_ac97_read_reg(info, AC97IM);  in ep93xx_ac97_interrupt()
239 	ep93xx_ac97_write_reg(info, AC97IM, mask);  in ep93xx_ac97_interrupt()
241 	complete(&info->done);  in ep93xx_ac97_interrupt()
255 	struct ep93xx_ac97_info *info = snd_soc_dai_get_drvdata(dai);  in ep93xx_ac97_trigger()  local
270 			ep93xx_ac97_write_reg(info, AC97TXCR(1), v);  in ep93xx_ac97_trigger()
279 			ep93xx_ac97_write_reg(info, AC97RXCR(1), v);  in ep93xx_ac97_trigger()
298 				v = ep93xx_ac97_read_reg(info, AC97SR(1));  in ep93xx_ac97_trigger()
300 					dev_warn(info->dev, "TX timeout\n");  in ep93xx_ac97_trigger()
306 			ep93xx_ac97_write_reg(info, AC97TXCR(1), 0);  in ep93xx_ac97_trigger()
309 			ep93xx_ac97_write_reg(info, AC97RXCR(1), 0);  in ep93xx_ac97_trigger()
314 		dev_warn(info->dev, "unknown command %d\n", cmd);  in ep93xx_ac97_trigger()
323 	struct ep93xx_ac97_info *info = snd_soc_dai_get_drvdata(dai);  in ep93xx_ac97_dai_probe()  local
325 	info->dma_params_tx.filter_data = &ep93xx_ac97_pcm_out;  in ep93xx_ac97_dai_probe()
326 	info->dma_params_rx.filter_data = &ep93xx_ac97_pcm_in;  in ep93xx_ac97_dai_probe()
328 	dai->playback_dma_data = &info->dma_params_tx;  in ep93xx_ac97_dai_probe()
329 	dai->capture_dma_data = &info->dma_params_rx;  in ep93xx_ac97_dai_probe()
366 	struct ep93xx_ac97_info *info;  in ep93xx_ac97_probe()  local
371 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);  in ep93xx_ac97_probe()
372 	if (!info)  in ep93xx_ac97_probe()
376 	info->regs = devm_ioremap_resource(&pdev->dev, res);  in ep93xx_ac97_probe()
377 	if (IS_ERR(info->regs))  in ep93xx_ac97_probe()
378 		return PTR_ERR(info->regs);  in ep93xx_ac97_probe()
385 			       IRQF_TRIGGER_HIGH, pdev->name, info);  in ep93xx_ac97_probe()
389 	dev_set_drvdata(&pdev->dev, info);  in ep93xx_ac97_probe()
391 	mutex_init(&info->lock);  in ep93xx_ac97_probe()
392 	init_completion(&info->done);  in ep93xx_ac97_probe()
393 	info->dev = &pdev->dev;  in ep93xx_ac97_probe()
395 	ep93xx_ac97_info = info;  in ep93xx_ac97_probe()
396 	platform_set_drvdata(pdev, info);  in ep93xx_ac97_probe()
423 	struct ep93xx_ac97_info	*info = platform_get_drvdata(pdev);  in ep93xx_ac97_remove()  local
428 	ep93xx_ac97_write_reg(info, AC97GCR, 0);  in ep93xx_ac97_remove()