110 static inline uint32_t jz4740_i2s_read(const struct jz4740_i2s *i2s,  in jz4740_i2s_read()  argument
113 	return readl(i2s->base + reg);  in jz4740_i2s_read()
116 static inline void jz4740_i2s_write(const struct jz4740_i2s *i2s,  in jz4740_i2s_write()  argument
119 	writel(value, i2s->base + reg);  in jz4740_i2s_write()
125 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_startup()  local
132 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);  in jz4740_i2s_startup()
134 	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);  in jz4740_i2s_startup()
136 	ret = clk_prepare_enable(i2s->clk_i2s);  in jz4740_i2s_startup()
140 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_startup()
142 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_startup()
150 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_shutdown()  local
156 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_shutdown()
158 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_shutdown()
160 	clk_disable_unprepare(i2s->clk_i2s);  in jz4740_i2s_shutdown()
166 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_trigger()  local
176 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);  in jz4740_i2s_trigger()
193 	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);  in jz4740_i2s_trigger()
200 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_set_fmt()  local
205 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_set_fmt()
243 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_set_fmt()
244 	jz4740_i2s_write(i2s, JZ_REG_AIC_I2S_FMT, format);  in jz4740_i2s_set_fmt()
252 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_hw_params()  local
257 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);  in jz4740_i2s_hw_params()
259 	div_reg = jz4740_i2s_read(i2s, JZ_REG_AIC_CLK_DIV);  in jz4740_i2s_hw_params()
260 	div = clk_get_rate(i2s->clk_i2s) / (64 * params_rate(params));  in jz4740_i2s_hw_params()
287 		if (i2s->version >= JZ_I2S_JZ4780) {  in jz4740_i2s_hw_params()
296 	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);  in jz4740_i2s_hw_params()
297 	jz4740_i2s_write(i2s, JZ_REG_AIC_CLK_DIV, div_reg);  in jz4740_i2s_hw_params()
305 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_set_sysclk()  local
312 		clk_set_parent(i2s->clk_i2s, parent);  in jz4740_i2s_set_sysclk()
316 		clk_set_parent(i2s->clk_i2s, parent);  in jz4740_i2s_set_sysclk()
317 		ret = clk_set_rate(i2s->clk_i2s, freq);  in jz4740_i2s_set_sysclk()
329 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_suspend()  local
333 		conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_suspend()
335 		jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_suspend()
337 		clk_disable_unprepare(i2s->clk_i2s);  in jz4740_i2s_suspend()
340 	clk_disable_unprepare(i2s->clk_aic);  in jz4740_i2s_suspend()
347 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_resume()  local
351 	ret = clk_prepare_enable(i2s->clk_aic);  in jz4740_i2s_resume()
356 		ret = clk_prepare_enable(i2s->clk_i2s);  in jz4740_i2s_resume()
358 			clk_disable_unprepare(i2s->clk_aic);  in jz4740_i2s_resume()
362 		conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_resume()
364 		jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_resume()
370 static void jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s)  in jz4740_i2c_init_pcm_config()  argument
375 	dma_data = &i2s->playback_dma_data;  in jz4740_i2c_init_pcm_config()
378 	dma_data->addr = i2s->phys_base + JZ_REG_AIC_FIFO;  in jz4740_i2c_init_pcm_config()
381 	dma_data = &i2s->capture_dma_data;  in jz4740_i2c_init_pcm_config()
384 	dma_data->addr = i2s->phys_base + JZ_REG_AIC_FIFO;  in jz4740_i2c_init_pcm_config()
389 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_dai_probe()  local
393 	ret = clk_prepare_enable(i2s->clk_aic);  in jz4740_i2s_dai_probe()
397 	jz4740_i2c_init_pcm_config(i2s);  in jz4740_i2s_dai_probe()
398 	snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,  in jz4740_i2s_dai_probe()
399 		&i2s->capture_dma_data);  in jz4740_i2s_dai_probe()
401 	if (i2s->version >= JZ_I2S_JZ4780) {  in jz4740_i2s_dai_probe()
415 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, JZ_AIC_CONF_RESET);  in jz4740_i2s_dai_probe()
416 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_dai_probe()
423 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_dai_remove()  local
425 	clk_disable_unprepare(i2s->clk_aic);  in jz4740_i2s_dai_remove()
497 	struct jz4740_i2s *i2s;  in jz4740_i2s_dev_probe()  local
502 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in jz4740_i2s_dev_probe()
503 	if (!i2s)  in jz4740_i2s_dev_probe()
508 		i2s->version = (enum jz47xx_i2s_version)match->data;  in jz4740_i2s_dev_probe()
511 	i2s->base = devm_ioremap_resource(&pdev->dev, mem);  in jz4740_i2s_dev_probe()
512 	if (IS_ERR(i2s->base))  in jz4740_i2s_dev_probe()
513 		return PTR_ERR(i2s->base);  in jz4740_i2s_dev_probe()
515 	i2s->phys_base = mem->start;  in jz4740_i2s_dev_probe()
517 	i2s->clk_aic = devm_clk_get(&pdev->dev, "aic");  in jz4740_i2s_dev_probe()
518 	if (IS_ERR(i2s->clk_aic))  in jz4740_i2s_dev_probe()
519 		return PTR_ERR(i2s->clk_aic);  in jz4740_i2s_dev_probe()
521 	i2s->clk_i2s = devm_clk_get(&pdev->dev, "i2s");  in jz4740_i2s_dev_probe()
522 	if (IS_ERR(i2s->clk_i2s))  in jz4740_i2s_dev_probe()
523 		return PTR_ERR(i2s->clk_i2s);  in jz4740_i2s_dev_probe()
525 	platform_set_drvdata(pdev, i2s);  in jz4740_i2s_dev_probe()
527 	if (i2s->version == JZ_I2S_JZ4780)  in jz4740_i2s_dev_probe()