sound: oxygen: allow custom MCLK rates

Add a callback that allows model drivers to modify the default I2S MCLK
rate.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/oxygen/hifier.c

@@ -170,6 +170,7 @@ static const struct oxygen_model model_hifier = {
 	.init = hifier_init,
 	.cleanup = hifier_cleanup,
 	.resume = hifier_resume,
+	.get_i2s_mclk = oxygen_default_i2s_mclk,
 	.set_dac_params = set_ak4396_params,
 	.set_adc_params = set_cs5340_params,
 	.update_dac_volume = update_ak4396_volume,

sound/pci/oxygen/oxygen.c

@@ -361,6 +361,7 @@ static const struct oxygen_model model_generic = {
 	.init = generic_init,
 	.cleanup = generic_cleanup,
 	.resume = generic_resume,
+	.get_i2s_mclk = oxygen_default_i2s_mclk,
 	.set_dac_params = set_ak4396_params,
 	.set_adc_params = set_wm8785_params,
 	.update_dac_volume = update_ak4396_volume,

sound/pci/oxygen/oxygen.h

@@ -78,6 +78,8 @@ struct oxygen_model {
 	void (*resume)(struct oxygen *chip);
 	void (*pcm_hardware_filter)(unsigned int channel,
 				    struct snd_pcm_hardware *hardware);
+	unsigned int (*get_i2s_mclk)(struct oxygen *chip, unsigned int channel,
+				     struct snd_pcm_hw_params *hw_params);
 	void (*set_dac_params)(struct oxygen *chip,
 			       struct snd_pcm_hw_params *params);
 	void (*set_adc_params)(struct oxygen *chip,
@@ -163,6 +165,8 @@ void oxygen_update_spdif_source(struct oxygen *chip);
 /* oxygen_pcm.c */
 
 int oxygen_pcm_init(struct oxygen *chip);
+unsigned int oxygen_default_i2s_mclk(struct oxygen *chip, unsigned int channel,
+				     struct snd_pcm_hw_params *hw_params);
 
 /* oxygen_io.c */
 

sound/pci/oxygen/oxygen_pcm.c

@@ -271,13 +271,16 @@ static unsigned int oxygen_rate(struct snd_pcm_hw_params *hw_params)
 	}
 }
 
-static unsigned int oxygen_i2s_mclk(struct snd_pcm_hw_params *hw_params)
+unsigned int oxygen_default_i2s_mclk(struct oxygen *chip,
+				     unsigned int channel,
+				     struct snd_pcm_hw_params *hw_params)
 {
 	if (params_rate(hw_params) <= 96000)
 		return OXYGEN_I2S_MCLK_256;
 	else
 		return OXYGEN_I2S_MCLK_128;
 }
+EXPORT_SYMBOL(oxygen_default_i2s_mclk);
 
 static unsigned int oxygen_i2s_bits(struct snd_pcm_hw_params *hw_params)
 {
@@ -354,7 +357,7 @@ static int oxygen_rec_a_hw_params(struct snd_pcm_substream *substream,
 			     OXYGEN_REC_FORMAT_A_MASK);
 	oxygen_write16_masked(chip, OXYGEN_I2S_A_FORMAT,
 			      oxygen_rate(hw_params) |
-			      oxygen_i2s_mclk(hw_params) |
+			      chip->model.get_i2s_mclk(chip, PCM_A, hw_params) |
 			      chip->model.adc_i2s_format |
 			      oxygen_i2s_bits(hw_params),
 			      OXYGEN_I2S_RATE_MASK |
@@ -390,7 +393,8 @@ static int oxygen_rec_b_hw_params(struct snd_pcm_substream *substream,
 	if (!is_ac97)
 		oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
 				      oxygen_rate(hw_params) |
-				      oxygen_i2s_mclk(hw_params) |
+				      chip->model.get_i2s_mclk(chip, PCM_B,
+							       hw_params) |
 				      chip->model.adc_i2s_format |
 				      oxygen_i2s_bits(hw_params),
 				      OXYGEN_I2S_RATE_MASK |
@@ -472,7 +476,8 @@ static int oxygen_multich_hw_params(struct snd_pcm_substream *substream,
 	oxygen_write16_masked(chip, OXYGEN_I2S_MULTICH_FORMAT,
 			      oxygen_rate(hw_params) |
 			      chip->model.dac_i2s_format |
-			      oxygen_i2s_mclk(hw_params) |
+			      chip->model.get_i2s_mclk(chip, PCM_MULTICH,
+						       hw_params) |
 			      oxygen_i2s_bits(hw_params),
 			      OXYGEN_I2S_RATE_MASK |
 			      OXYGEN_I2S_FORMAT_MASK |

sound/pci/oxygen/xonar_cs43xx.c

@@ -321,6 +321,7 @@ static const struct oxygen_model model_xonar_d1 = {
 	.cleanup = xonar_d1_cleanup,
 	.suspend = xonar_d1_suspend,
 	.resume = xonar_d1_resume,
+	.get_i2s_mclk = oxygen_default_i2s_mclk,
 	.set_dac_params = set_cs43xx_params,
 	.set_adc_params = xonar_set_cs53x1_params,
 	.update_dac_volume = update_cs43xx_volume,

sound/pci/oxygen/xonar_pcm179x.c

@@ -771,6 +771,7 @@ static const struct oxygen_model model_xonar_d2 = {
 	.cleanup = xonar_d2_cleanup,
 	.suspend = xonar_d2_suspend,
 	.resume = xonar_d2_resume,
+	.get_i2s_mclk = oxygen_default_i2s_mclk,
 	.set_dac_params = set_pcm1796_params,
 	.set_adc_params = xonar_set_cs53x1_params,
 	.update_dac_volume = update_pcm1796_volume,
@@ -801,6 +802,7 @@ static const struct oxygen_model model_xonar_hdav = {
 	.suspend = xonar_hdav_suspend,
 	.resume = xonar_hdav_resume,
 	.pcm_hardware_filter = xonar_hdmi_pcm_hardware_filter,
+	.get_i2s_mclk = oxygen_default_i2s_mclk,
 	.set_dac_params = set_hdav_params,
 	.set_adc_params = xonar_set_cs53x1_params,
 	.update_dac_volume = update_pcm1796_volume,
@@ -831,6 +833,7 @@ static const struct oxygen_model model_xonar_st = {
 	.cleanup = xonar_st_cleanup,
 	.suspend = xonar_st_suspend,
 	.resume = xonar_st_resume,
+	.get_i2s_mclk = oxygen_default_i2s_mclk,
 	.set_dac_params = set_st_params,
 	.set_adc_params = xonar_set_cs53x1_params,
 	.update_dac_volume = update_pcm1796_volume,