3 // Common functions for loongson I2S controller driver
34 	struct loongson_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in loongson_i2s_trigger()  local
44 		regmap_update_bits(i2s->regmap, LS_I2S_CTRL, mask, mask);  in loongson_i2s_trigger()
51 		regmap_update_bits(i2s->regmap, LS_I2S_CTRL, mask, 0);  in loongson_i2s_trigger()
64 	struct loongson_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in loongson_i2s_hw_params()  local
65 	u32 clk_rate = i2s->clk_rate;  in loongson_i2s_hw_params()
66 	u32 sysclk = i2s->sysclk;  in loongson_i2s_hw_params()
74 	switch (i2s->rev_id) {  in loongson_i2s_hw_params()
85 		regmap_write(i2s->regmap, LS_I2S_CFG, val);  in loongson_i2s_hw_params()
95 		regmap_read(i2s->regmap, LS_I2S_CFG, &val);  in loongson_i2s_hw_params()
102 		regmap_write(i2s->regmap, LS_I2S_CFG, val);  in loongson_i2s_hw_params()
105 		regmap_write(i2s->regmap, LS_I2S_CFG1, val);  in loongson_i2s_hw_params()
109 		dev_err(i2s->dev, "I2S revision invalid\n");  in loongson_i2s_hw_params()
119 	struct loongson_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in loongson_i2s_set_dai_sysclk()  local
121 	i2s->sysclk = freq;  in loongson_i2s_set_dai_sysclk()
126 static int loongson_i2s_enable_mclk(struct loongson_i2s *i2s)  in loongson_i2s_enable_mclk()  argument
130 	if (i2s->rev_id == 0)  in loongson_i2s_enable_mclk()
133 	regmap_update_bits(i2s->regmap, LS_I2S_CTRL,  in loongson_i2s_enable_mclk()
136 	return regmap_read_poll_timeout_atomic(i2s->regmap,  in loongson_i2s_enable_mclk()
143 static int loongson_i2s_enable_bclk(struct loongson_i2s *i2s)  in loongson_i2s_enable_bclk()  argument
147 	if (i2s->rev_id == 0)  in loongson_i2s_enable_bclk()
150 	return regmap_read_poll_timeout_atomic(i2s->regmap,  in loongson_i2s_enable_bclk()
159 	struct loongson_i2s *i2s = snd_soc_dai_get_drvdata(dai);  in loongson_i2s_set_fmt()  local
166 		regmap_update_bits(i2s->regmap, LS_I2S_CTRL, I2S_CTRL_MSB,  in loongson_i2s_set_fmt()
179 		regmap_update_bits(i2s->regmap, LS_I2S_CTRL, I2S_CTRL_MASTER,  in loongson_i2s_set_fmt()
181 		ret = loongson_i2s_enable_bclk(i2s);  in loongson_i2s_set_fmt()
187 		ret = loongson_i2s_enable_mclk(i2s);  in loongson_i2s_set_fmt()
193 		ret = loongson_i2s_enable_mclk(i2s);  in loongson_i2s_set_fmt()
198 		regmap_update_bits(i2s->regmap, LS_I2S_CTRL, I2S_CTRL_MASTER,  in loongson_i2s_set_fmt()
201 		ret = loongson_i2s_enable_bclk(i2s);  in loongson_i2s_set_fmt()
214 	struct loongson_i2s *i2s = dev_get_drvdata(cpu_dai->dev);  in loongson_i2s_dai_probe()  local
216 	snd_soc_dai_init_dma_data(cpu_dai, &i2s->playback_dma_data,  in loongson_i2s_dai_probe()
217 				  &i2s->capture_dma_data);  in loongson_i2s_dai_probe()
218 	snd_soc_dai_set_drvdata(cpu_dai, i2s);  in loongson_i2s_dai_probe()
232 	.name = "loongson-i2s",
254 	struct loongson_i2s *i2s = dev_get_drvdata(dev);  in i2s_suspend()  local
256 	regcache_cache_only(i2s->regmap, true);  in i2s_suspend()
263 	struct loongson_i2s *i2s = dev_get_drvdata(dev);  in i2s_resume()  local
265 	regcache_cache_only(i2s->regmap, false);  in i2s_resume()
266 	regcache_mark_dirty(i2s->regmap);  in i2s_resume()
267 	return regcache_sync(i2s->regmap);  in i2s_resume()
276 MODULE_DESCRIPTION("Common functions for loongson I2S controller driver");