119 static inline uint32_t jz4740_i2s_read(const struct jz4740_i2s *i2s,  in jz4740_i2s_read()  argument
122 	return readl(i2s->base + reg);  in jz4740_i2s_read()
125 static inline void jz4740_i2s_write(const struct jz4740_i2s *i2s,  in jz4740_i2s_write()  argument
128 	writel(value, i2s->base + reg);  in jz4740_i2s_write()
134 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_startup()  local
140 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);  in jz4740_i2s_startup()
142 	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);  in jz4740_i2s_startup()
144 	clk_prepare_enable(i2s->clk_i2s);  in jz4740_i2s_startup()
146 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_startup()
148 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_startup()
156 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_shutdown()  local
162 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_shutdown()
164 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_shutdown()
166 	clk_disable_unprepare(i2s->clk_i2s);  in jz4740_i2s_shutdown()
172 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_trigger()  local
182 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);  in jz4740_i2s_trigger()
199 	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);  in jz4740_i2s_trigger()
206 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_set_fmt()  local
211 	conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_set_fmt()
249 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_set_fmt()
250 	jz4740_i2s_write(i2s, JZ_REG_AIC_I2S_FMT, format);  in jz4740_i2s_set_fmt()
258 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_hw_params()  local
263 	ctrl = jz4740_i2s_read(i2s, JZ_REG_AIC_CTRL);  in jz4740_i2s_hw_params()
265 	div_reg = jz4740_i2s_read(i2s, JZ_REG_AIC_CLK_DIV);  in jz4740_i2s_hw_params()
266 	div = clk_get_rate(i2s->clk_i2s) / (64 * params_rate(params));  in jz4740_i2s_hw_params()
293 		if (i2s->version >= JZ_I2S_JZ4780) {  in jz4740_i2s_hw_params()
302 	jz4740_i2s_write(i2s, JZ_REG_AIC_CTRL, ctrl);  in jz4740_i2s_hw_params()
303 	jz4740_i2s_write(i2s, JZ_REG_AIC_CLK_DIV, div_reg);  in jz4740_i2s_hw_params()
311 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_set_sysclk()  local
318 		clk_set_parent(i2s->clk_i2s, parent);  in jz4740_i2s_set_sysclk()
322 		clk_set_parent(i2s->clk_i2s, parent);  in jz4740_i2s_set_sysclk()
323 		ret = clk_set_rate(i2s->clk_i2s, freq);  in jz4740_i2s_set_sysclk()
335 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_suspend()  local
339 		conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_suspend()
341 		jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_suspend()
343 		clk_disable_unprepare(i2s->clk_i2s);  in jz4740_i2s_suspend()
346 	clk_disable_unprepare(i2s->clk_aic);  in jz4740_i2s_suspend()
353 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_resume()  local
356 	clk_prepare_enable(i2s->clk_aic);  in jz4740_i2s_resume()
359 		clk_prepare_enable(i2s->clk_i2s);  in jz4740_i2s_resume()
361 		conf = jz4740_i2s_read(i2s, JZ_REG_AIC_CONF);  in jz4740_i2s_resume()
363 		jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_resume()
369 static void jz4740_i2c_init_pcm_config(struct jz4740_i2s *i2s)  in jz4740_i2c_init_pcm_config()  argument
374 	dma_data = &i2s->playback_dma_data;  in jz4740_i2c_init_pcm_config()
377 	dma_data->addr = i2s->phys_base + JZ_REG_AIC_FIFO;  in jz4740_i2c_init_pcm_config()
380 	dma_data = &i2s->capture_dma_data;  in jz4740_i2c_init_pcm_config()
383 	dma_data->addr = i2s->phys_base + JZ_REG_AIC_FIFO;  in jz4740_i2c_init_pcm_config()
388 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_dai_probe()  local
391 	clk_prepare_enable(i2s->clk_aic);  in jz4740_i2s_dai_probe()
393 	jz4740_i2c_init_pcm_config(i2s);  in jz4740_i2s_dai_probe()
394 	snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data,  in jz4740_i2s_dai_probe()
395 		&i2s->capture_dma_data);  in jz4740_i2s_dai_probe()
397 	if (i2s->version >= JZ_I2S_JZ4780) {  in jz4740_i2s_dai_probe()
411 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, JZ_AIC_CONF_RESET);  in jz4740_i2s_dai_probe()
412 	jz4740_i2s_write(i2s, JZ_REG_AIC_CONF, conf);  in jz4740_i2s_dai_probe()
419 	struct jz4740_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in jz4740_i2s_dai_remove()  local
421 	clk_disable_unprepare(i2s->clk_aic);  in jz4740_i2s_dai_remove()
493 	struct jz4740_i2s *i2s;  in jz4740_i2s_dev_probe()  local
498 	i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL);  in jz4740_i2s_dev_probe()
499 	if (!i2s)  in jz4740_i2s_dev_probe()
504 		i2s->version = (enum jz47xx_i2s_version)match->data;  in jz4740_i2s_dev_probe()
507 	i2s->base = devm_ioremap_resource(&pdev->dev, mem);  in jz4740_i2s_dev_probe()
508 	if (IS_ERR(i2s->base))  in jz4740_i2s_dev_probe()
509 		return PTR_ERR(i2s->base);  in jz4740_i2s_dev_probe()
511 	i2s->phys_base = mem->start;  in jz4740_i2s_dev_probe()
513 	i2s->clk_aic = devm_clk_get(&pdev->dev, "aic");  in jz4740_i2s_dev_probe()
514 	if (IS_ERR(i2s->clk_aic))  in jz4740_i2s_dev_probe()
515 		return PTR_ERR(i2s->clk_aic);  in jz4740_i2s_dev_probe()
517 	i2s->clk_i2s = devm_clk_get(&pdev->dev, "i2s");  in jz4740_i2s_dev_probe()
518 	if (IS_ERR(i2s->clk_i2s))  in jz4740_i2s_dev_probe()
519 		return PTR_ERR(i2s->clk_i2s);  in jz4740_i2s_dev_probe()
521 	platform_set_drvdata(pdev, i2s);  in jz4740_i2s_dev_probe()
523 	if (i2s->version == JZ_I2S_JZ4780)  in jz4740_i2s_dev_probe()