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Diffstat (limited to 'sound/soc/codecs/da7210.c')
-rw-r--r--sound/soc/codecs/da7210.c157
1 files changed, 134 insertions, 23 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c
index 366daf1..75af2d6 100644
--- a/sound/soc/codecs/da7210.c
+++ b/sound/soc/codecs/da7210.c
@@ -56,8 +56,14 @@
#define DA7210_DAI_SRC_SEL 0x25
#define DA7210_DAI_CFG1 0x26
#define DA7210_DAI_CFG3 0x28
+#define DA7210_PLL_DIV1 0x29
+#define DA7210_PLL_DIV2 0x2A
#define DA7210_PLL_DIV3 0x2B
#define DA7210_PLL 0x2C
+#define DA7210_A_HID_UNLOCK 0x8A
+#define DA7210_A_TEST_UNLOCK 0x8B
+#define DA7210_A_PLL1 0x90
+#define DA7210_A_CP_MODE 0xA7
/* STARTUP1 bit fields */
#define DA7210_SC_MST_EN (1 << 0)
@@ -75,15 +81,14 @@
/* INMIX_R bit fields */
#define DA7210_IN_R_EN (1 << 7)
-/* ADC_HPF bit fields */
-#define DA7210_ADC_VOICE_EN (1 << 7)
-
/* ADC bit fields */
#define DA7210_ADC_L_EN (1 << 3)
#define DA7210_ADC_R_EN (1 << 7)
-/* DAC_HPF fields */
-#define DA7210_DAC_VOICE_EN (1 << 7)
+/* DAC/ADC HPF fields */
+#define DA7210_VOICE_F0_MASK (0x7 << 4)
+#define DA7210_VOICE_F0_25 (1 << 4)
+#define DA7210_VOICE_EN (1 << 7)
/* DAC_SEL bit fields */
#define DA7210_DAC_L_SRC_DAI_L (4 << 0)
@@ -124,7 +129,19 @@
#define DA7210_PLL_BYP (1 << 6)
/* PLL bit fields */
-#define DA7210_PLL_FS_48000 (11 << 0)
+#define DA7210_PLL_FS_MASK (0xF << 0)
+#define DA7210_PLL_FS_8000 (0x1 << 0)
+#define DA7210_PLL_FS_11025 (0x2 << 0)
+#define DA7210_PLL_FS_12000 (0x3 << 0)
+#define DA7210_PLL_FS_16000 (0x5 << 0)
+#define DA7210_PLL_FS_22050 (0x6 << 0)
+#define DA7210_PLL_FS_24000 (0x7 << 0)
+#define DA7210_PLL_FS_32000 (0x9 << 0)
+#define DA7210_PLL_FS_44100 (0xA << 0)
+#define DA7210_PLL_FS_48000 (0xB << 0)
+#define DA7210_PLL_FS_88200 (0xE << 0)
+#define DA7210_PLL_FS_96000 (0xF << 0)
+#define DA7210_PLL_EN (0x1 << 7)
#define DA7210_VERSION "0.0.1"
@@ -165,7 +182,7 @@ static const u8 da7210_reg[] = {
static inline u32 da7210_read_reg_cache(struct snd_soc_codec *codec, u32 reg)
{
u8 *cache = codec->reg_cache;
- BUG_ON(reg > ARRAY_SIZE(da7210_reg));
+ BUG_ON(reg >= ARRAY_SIZE(da7210_reg));
return cache[reg];
}
@@ -242,7 +259,8 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_device *socdev = rtd->socdev;
struct snd_soc_codec *codec = socdev->card->codec;
u32 dai_cfg1;
- u32 reg, mask;
+ u32 hpf_reg, hpf_mask, hpf_value;
+ u32 fs, bypass;
/* set DAI source to Left and Right ADC */
da7210_write(codec, DA7210_DAI_SRC_SEL,
@@ -266,25 +284,84 @@ static int da7210_hw_params(struct snd_pcm_substream *substream,
da7210_write(codec, DA7210_DAI_CFG1, dai_cfg1);
- /* FIXME
- *
- * It support 48K only now
- */
+ hpf_reg = (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) ?
+ DA7210_DAC_HPF : DA7210_ADC_HPF;
+
switch (params_rate(params)) {
+ case 8000:
+ fs = DA7210_PLL_FS_8000;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ bypass = DA7210_PLL_BYP;
+ break;
+ case 11025:
+ fs = DA7210_PLL_FS_11025;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ bypass = 0;
+ break;
+ case 12000:
+ fs = DA7210_PLL_FS_12000;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ bypass = DA7210_PLL_BYP;
+ break;
+ case 16000:
+ fs = DA7210_PLL_FS_16000;
+ hpf_mask = DA7210_VOICE_F0_MASK | DA7210_VOICE_EN;
+ hpf_value = DA7210_VOICE_F0_25 | DA7210_VOICE_EN;
+ bypass = DA7210_PLL_BYP;
+ break;
+ case 22050:
+ fs = DA7210_PLL_FS_22050;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ bypass = 0;
+ break;
+ case 32000:
+ fs = DA7210_PLL_FS_32000;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ bypass = DA7210_PLL_BYP;
+ break;
+ case 44100:
+ fs = DA7210_PLL_FS_44100;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ bypass = 0;
+ break;
case 48000:
- if (SNDRV_PCM_STREAM_PLAYBACK == substream->stream) {
- reg = DA7210_DAC_HPF;
- mask = DA7210_DAC_VOICE_EN;
- } else {
- reg = DA7210_ADC_HPF;
- mask = DA7210_ADC_VOICE_EN;
- }
+ fs = DA7210_PLL_FS_48000;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ bypass = DA7210_PLL_BYP;
+ break;
+ case 88200:
+ fs = DA7210_PLL_FS_88200;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ bypass = 0;
+ break;
+ case 96000:
+ fs = DA7210_PLL_FS_96000;
+ hpf_mask = DA7210_VOICE_EN;
+ hpf_value = 0;
+ bypass = DA7210_PLL_BYP;
break;
default:
return -EINVAL;
}
- snd_soc_update_bits(codec, reg, mask, 0);
+ /* Disable active mode */
+ snd_soc_update_bits(codec, DA7210_STARTUP1, DA7210_SC_MST_EN, 0);
+
+ snd_soc_update_bits(codec, hpf_reg, hpf_mask, hpf_value);
+ snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_FS_MASK, fs);
+ snd_soc_update_bits(codec, DA7210_PLL_DIV3, DA7210_PLL_BYP, bypass);
+
+ /* Enable active mode */
+ snd_soc_update_bits(codec, DA7210_STARTUP1,
+ DA7210_SC_MST_EN, DA7210_SC_MST_EN);
return 0;
}
@@ -362,6 +439,7 @@ struct snd_soc_dai da7210_dai = {
.formats = DA7210_FORMATS,
},
.ops = &da7210_dai_ops,
+ .symmetric_rates = 1,
};
EXPORT_SYMBOL_GPL(da7210_dai);
@@ -383,7 +461,7 @@ static int da7210_init(struct da7210_priv *da7210)
INIT_LIST_HEAD(&codec->dapm_widgets);
INIT_LIST_HEAD(&codec->dapm_paths);
- codec->private_data = da7210;
+ snd_soc_codec_set_drvdata(codec, da7210);
codec->name = "DA7210";
codec->owner = THIS_MODULE;
codec->read = da7210_read;
@@ -416,9 +494,23 @@ static int da7210_init(struct da7210_priv *da7210)
/* FIXME
*
* This driver use fixed value here
+ * And below settings expects MCLK = 12.288MHz
+ *
+ * When you select different MCLK, please check...
+ * DA7210_PLL_DIV1 val
+ * DA7210_PLL_DIV2 val
+ * DA7210_PLL_DIV3 val
+ * DA7210_PLL_DIV3 :: DA7210_MCLK_RANGExxx
*/
/*
+ * make sure that DA7210 use bypass mode before start up
+ */
+ da7210_write(codec, DA7210_STARTUP1, 0);
+ da7210_write(codec, DA7210_PLL_DIV3,
+ DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
+
+ /*
* ADC settings
*/
@@ -454,9 +546,28 @@ static int da7210_init(struct da7210_priv *da7210)
/* Diable PLL and bypass it */
da7210_write(codec, DA7210_PLL, DA7210_PLL_FS_48000);
- /* Bypass PLL and set MCLK freq rang to 10-20MHz */
- da7210_write(codec, DA7210_PLL_DIV3,
+ /*
+ * If 48kHz sound came, it use bypass mode,
+ * and when it is 44.1kHz, it use PLL.
+ *
+ * This time, this driver sets PLL always ON
+ * and controls bypass/PLL mode by switching
+ * DA7210_PLL_DIV3 :: DA7210_PLL_BYP bit.
+ * see da7210_hw_params
+ */
+ da7210_write(codec, DA7210_PLL_DIV1, 0xE5); /* MCLK = 12.288MHz */
+ da7210_write(codec, DA7210_PLL_DIV2, 0x99);
+ da7210_write(codec, DA7210_PLL_DIV3, 0x0A |
DA7210_MCLK_RANGE_10_20_MHZ | DA7210_PLL_BYP);
+ snd_soc_update_bits(codec, DA7210_PLL, DA7210_PLL_EN, DA7210_PLL_EN);
+
+ /* As suggested by Dialog */
+ da7210_write(codec, DA7210_A_HID_UNLOCK, 0x8B); /* unlock */
+ da7210_write(codec, DA7210_A_TEST_UNLOCK, 0xB4);
+ da7210_write(codec, DA7210_A_PLL1, 0x01);
+ da7210_write(codec, DA7210_A_CP_MODE, 0x7C);
+ da7210_write(codec, DA7210_A_HID_UNLOCK, 0x00); /* re-lock */
+ da7210_write(codec, DA7210_A_TEST_UNLOCK, 0x00);
/* Activate all enabled subsystem */
da7210_write(codec, DA7210_STARTUP1, DA7210_SC_MST_EN);
generated by cgit v1.1 at 2024-12-27 13:18:31 +0000