ALSA: ASoC Blackfin: add I2S DAI support for AD73311

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 33 insertions, 14 deletions

diff --git a/sound/soc/blackfin/bf5xx-i2s.c b/sound/soc/blackfin/bf5xx-i2s.c
index 43a4092eeb89..827587f08180 100644
--- a/sound/soc/blackfin/bf5xx-i2s.c
+++ b/sound/soc/blackfin/bf5xx-i2s.c
@@ -70,6 +70,13 @@ static struct sport_param sport_params[2] = {
         }
 };
 
+static u16 sport_req[][7] = {
+                { P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+                  P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0},
+                { P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+                  P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0},
+};
+
 static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
                 unsigned int fmt)
 {
@@ -78,6 +85,14 @@ static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
         /* interface format:support I2S,slave mode */
         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
         case SND_SOC_DAIFMT_I2S:
+                bf5xx_i2s.tcr1 |= TFSR | TCKFE;
+                bf5xx_i2s.rcr1 |= RFSR | RCKFE;
+                bf5xx_i2s.tcr2 |= TSFSE;
+                bf5xx_i2s.rcr2 |= RSFSE;
+                break;
+        case SND_SOC_DAIFMT_DSP_A:
+                bf5xx_i2s.tcr1 |= TFSR;
+                bf5xx_i2s.rcr1 |= RFSR;
                 break;
         case SND_SOC_DAIFMT_LEFT_J:
                 ret = -EINVAL;
@@ -127,14 +142,17 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
         case SNDRV_PCM_FORMAT_S16_LE:
                 bf5xx_i2s.tcr2 |= 15;
                 bf5xx_i2s.rcr2 |= 15;
+                sport_handle->wdsize = 2;
                 break;
         case SNDRV_PCM_FORMAT_S24_LE:
                 bf5xx_i2s.tcr2 |= 23;
                 bf5xx_i2s.rcr2 |= 23;
+                sport_handle->wdsize = 3;
                 break;
         case SNDRV_PCM_FORMAT_S32_LE:
                 bf5xx_i2s.tcr2 |= 31;
                 bf5xx_i2s.rcr2 |= 31;
+                sport_handle->wdsize = 4;
                 break;
         }
 
@@ -145,17 +163,17 @@ static int bf5xx_i2s_hw_params(struct snd_pcm_substream *substream,
                  * need to configure both of them at the time when the first
                  * stream is opened.
                  *
-                 * CPU DAI format:I2S, slave mode.
+                 * CPU DAI:slave mode.
                  */
-                ret = sport_config_rx(sport_handle, RFSR | RCKFE,
-                                      RSFSE|bf5xx_i2s.rcr2, 0, 0);
+                ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1,
+                                      bf5xx_i2s.rcr2, 0, 0);
                 if (ret) {
                         pr_err("SPORT is busy!\n");
                         return -EBUSY;
                 }
 
-                ret = sport_config_tx(sport_handle, TFSR | TCKFE,
-                                      TSFSE|bf5xx_i2s.tcr2, 0, 0);
+                ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1,
+                                      bf5xx_i2s.tcr2, 0, 0);
                 if (ret) {
                         pr_err("SPORT is busy!\n");
                         return -EBUSY;
@@ -174,13 +192,6 @@ static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream)
 static int bf5xx_i2s_probe(struct platform_device *pdev,
                            struct snd_soc_dai *dai)
 {
-        u16 sport_req[][7] = {
-                { P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
-                  P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0},
-                { P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
-                  P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0},
-        };
-
         pr_debug("%s enter\n", __func__);
         if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
                 pr_err("Requesting Peripherals failed\n");
@@ -198,6 +209,13 @@ static int bf5xx_i2s_probe(struct platform_device *pdev,
         return 0;
 }
 
+static void bf5xx_i2s_remove(struct platform_device *pdev,
+                           struct snd_soc_dai *dai)
+{
+        pr_debug("%s enter\n", __func__);
+        peripheral_free_list(&sport_req[sport_num][0]);
+}
+
 #ifdef CONFIG_PM
 static int bf5xx_i2s_suspend(struct platform_device *dev,
                              struct snd_soc_dai *dai)
@@ -263,15 +281,16 @@ struct snd_soc_dai bf5xx_i2s_dai = {
         .id = 0,
         .type = SND_SOC_DAI_I2S,
         .probe = bf5xx_i2s_probe,
+        .remove = bf5xx_i2s_remove,
         .suspend = bf5xx_i2s_suspend,
         .resume = bf5xx_i2s_resume,
         .playback = {
-                .channels_min = 2,
+                .channels_min = 1,
                 .channels_max = 2,
                 .rates = BF5XX_I2S_RATES,
                 .formats = BF5XX_I2S_FORMATS,},
         .capture = {
-                .channels_min = 2,
+                .channels_min = 1,
                 .channels_max = 2,
                 .rates = BF5XX_I2S_RATES,
                 .formats = BF5XX_I2S_FORMATS,},