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>

6 files changed, 19 insertions, 4 deletions

diff --git a/sound/pci/oxygen/hifier.c b/sound/pci/oxygen/hifier.c
index 2079c100aabc..e3c229b63311 100644
--- a/sound/pci/oxygen/hifier.c
+++ b/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,
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index c986c5ebf65b..d12fd9efe94e 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/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,
diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h
index 2ac3b3c8253f..6147216af744 100644
--- a/sound/pci/oxygen/oxygen.h
+++ b/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 */
 
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index 1e98333366df..9dff6954c397 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/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 |
diff --git a/sound/pci/oxygen/xonar_cs43xx.c b/sound/pci/oxygen/xonar_cs43xx.c
index 330c5e755917..a83f827feb34 100644
--- a/sound/pci/oxygen/xonar_cs43xx.c
+++ b/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,
diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c
index cf94e4432a3f..35b3fb4071fb 100644
--- a/sound/pci/oxygen/xonar_pcm179x.c
+++ b/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,