ALSA: ASoC Blackfin: add I2S DAI support for AD73311
Cliff Cai [Sat, 27 Sep 2008 14:30:15 +0000 (22:30 +0800)]
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>

sound/soc/blackfin/bf5xx-i2s.c

index 43a4092..827587f 100644 (file)
@@ -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,},