38 static void tegra20_ac97_codec_reset(struct snd_ac97 *ac97)  in tegra20_ac97_codec_reset()  argument
60 static void tegra20_ac97_codec_warm_reset(struct snd_ac97 *ac97)  in tegra20_ac97_codec_warm_reset()  argument
143 static inline void tegra20_ac97_start_playback(struct tegra20_ac97 *ac97)  in tegra20_ac97_start_playback()  argument
145 	regmap_update_bits(ac97->regmap, TEGRA20_AC97_FIFO1_SCR,  in tegra20_ac97_start_playback()
149 	regmap_update_bits(ac97->regmap, TEGRA20_AC97_CTRL,  in tegra20_ac97_start_playback()
156 static inline void tegra20_ac97_stop_playback(struct tegra20_ac97 *ac97)  in tegra20_ac97_stop_playback()  argument
158 	regmap_update_bits(ac97->regmap, TEGRA20_AC97_FIFO1_SCR,  in tegra20_ac97_stop_playback()
161 	regmap_update_bits(ac97->regmap, TEGRA20_AC97_CTRL,  in tegra20_ac97_stop_playback()
165 static inline void tegra20_ac97_start_capture(struct tegra20_ac97 *ac97)  in tegra20_ac97_start_capture()  argument
167 	regmap_update_bits(ac97->regmap, TEGRA20_AC97_FIFO1_SCR,  in tegra20_ac97_start_capture()
172 static inline void tegra20_ac97_stop_capture(struct tegra20_ac97 *ac97)  in tegra20_ac97_stop_capture()  argument
174 	regmap_update_bits(ac97->regmap, TEGRA20_AC97_FIFO1_SCR,  in tegra20_ac97_stop_capture()
181 	struct tegra20_ac97 *ac97 = snd_soc_dai_get_drvdata(dai);  in tegra20_ac97_trigger()  local
188 			tegra20_ac97_start_playback(ac97);  in tegra20_ac97_trigger()
190 			tegra20_ac97_start_capture(ac97);  in tegra20_ac97_trigger()
196 			tegra20_ac97_stop_playback(ac97);  in tegra20_ac97_trigger()
198 			tegra20_ac97_stop_capture(ac97);  in tegra20_ac97_trigger()
213 	struct tegra20_ac97 *ac97 = snd_soc_dai_get_drvdata(dai);  in tegra20_ac97_probe()  local
215 	dai->capture_dma_data = &ac97->capture_dma_data;  in tegra20_ac97_probe()
216 	dai->playback_dma_data = &ac97->playback_dma_data;  in tegra20_ac97_probe()
305 	struct tegra20_ac97 *ac97;  in tegra20_ac97_platform_probe()  local
310 	ac97 = devm_kzalloc(&pdev->dev, sizeof(struct tegra20_ac97),  in tegra20_ac97_platform_probe()
312 	if (!ac97) {  in tegra20_ac97_platform_probe()
316 	dev_set_drvdata(&pdev->dev, ac97);  in tegra20_ac97_platform_probe()
318 	ac97->reset = devm_reset_control_get_exclusive(&pdev->dev, "ac97");  in tegra20_ac97_platform_probe()
319 	if (IS_ERR(ac97->reset)) {  in tegra20_ac97_platform_probe()
321 		return PTR_ERR(ac97->reset);  in tegra20_ac97_platform_probe()
324 	ac97->clk_ac97 = devm_clk_get(&pdev->dev, NULL);  in tegra20_ac97_platform_probe()
325 	if (IS_ERR(ac97->clk_ac97)) {  in tegra20_ac97_platform_probe()
327 		ret = PTR_ERR(ac97->clk_ac97);  in tegra20_ac97_platform_probe()
338 	ac97->regmap = devm_regmap_init_mmio(&pdev->dev, regs,  in tegra20_ac97_platform_probe()
340 	if (IS_ERR(ac97->regmap)) {  in tegra20_ac97_platform_probe()
342 		ret = PTR_ERR(ac97->regmap);  in tegra20_ac97_platform_probe()
346 	ac97->reset_gpio = of_get_named_gpio(pdev->dev.of_node,  in tegra20_ac97_platform_probe()
348 	if (gpio_is_valid(ac97->reset_gpio)) {  in tegra20_ac97_platform_probe()
349 		ret = devm_gpio_request_one(&pdev->dev, ac97->reset_gpio,  in tegra20_ac97_platform_probe()
361 	ac97->sync_gpio = of_get_named_gpio(pdev->dev.of_node,  in tegra20_ac97_platform_probe()
363 	if (!gpio_is_valid(ac97->sync_gpio)) {  in tegra20_ac97_platform_probe()
369 	ac97->capture_dma_data.addr = mem->start + TEGRA20_AC97_FIFO_RX1;  in tegra20_ac97_platform_probe()
370 	ac97->capture_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;  in tegra20_ac97_platform_probe()
371 	ac97->capture_dma_data.maxburst = 4;  in tegra20_ac97_platform_probe()
373 	ac97->playback_dma_data.addr = mem->start + TEGRA20_AC97_FIFO_TX1;  in tegra20_ac97_platform_probe()
374 	ac97->playback_dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;  in tegra20_ac97_platform_probe()
375 	ac97->playback_dma_data.maxburst = 4;  in tegra20_ac97_platform_probe()
377 	ret = reset_control_assert(ac97->reset);  in tegra20_ac97_platform_probe()
383 	ret = clk_prepare_enable(ac97->clk_ac97);  in tegra20_ac97_platform_probe()
391 	ret = reset_control_deassert(ac97->reset);  in tegra20_ac97_platform_probe()
418 	workdata = ac97;  in tegra20_ac97_platform_probe()
425 	clk_disable_unprepare(ac97->clk_ac97);  in tegra20_ac97_platform_probe()
434 	struct tegra20_ac97 *ac97 = dev_get_drvdata(&pdev->dev);  in tegra20_ac97_platform_remove()  local
439 	clk_disable_unprepare(ac97->clk_ac97);  in tegra20_ac97_platform_remove()