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path: root/drivers/sound/max98095.c
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Diffstat (limited to 'drivers/sound/max98095.c')
-rw-r--r--drivers/sound/max98095.c155
1 files changed, 98 insertions, 57 deletions
diff --git a/drivers/sound/max98095.c b/drivers/sound/max98095.c
index d69db58dc..febf4195b 100644
--- a/drivers/sound/max98095.c
+++ b/drivers/sound/max98095.c
@@ -52,7 +52,7 @@ int rate_table[] = {0, 8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000,
static int max98095_i2c_write(unsigned int reg, unsigned char data)
{
debug("%s: Write Addr : 0x%02X, Data : 0x%02X\n",
- __func__, reg, data);
+ __func__, reg, data);
return i2c_write(g_max98095_i2c_dev_addr, reg, 1, &data, 1);
}
@@ -71,7 +71,7 @@ static unsigned int max98095_i2c_read(unsigned int reg, unsigned char *data)
ret = i2c_read(g_max98095_i2c_dev_addr, reg, 1, data, 1);
if (ret != 0) {
debug("%s: Error while reading register %#04x\n",
- __func__, reg);
+ __func__, reg);
return -1;
}
@@ -138,43 +138,57 @@ static int rate_value(int rate, u8 *value)
* @return -1 for error and 0 Success.
*/
static int max98095_hw_params(struct max98095_priv *max98095,
- unsigned int rate, unsigned int bits_per_sample)
+ enum en_max_audio_interface aif_id,
+ unsigned int rate, unsigned int bits_per_sample)
{
u8 regval;
int error;
+ unsigned short M98095_DAI_CLKMODE;
+ unsigned short M98095_DAI_FORMAT;
+ unsigned short M98095_DAI_FILTERS;
+
+ if (aif_id == AIF1) {
+ M98095_DAI_CLKMODE = M98095_027_DAI1_CLKMODE;
+ M98095_DAI_FORMAT = M98095_02A_DAI1_FORMAT;
+ M98095_DAI_FILTERS = M98095_02E_DAI1_FILTERS;
+ } else {
+ M98095_DAI_CLKMODE = M98095_031_DAI2_CLKMODE;
+ M98095_DAI_FORMAT = M98095_034_DAI2_FORMAT;
+ M98095_DAI_FILTERS = M98095_038_DAI2_FILTERS;
+ }
switch (bits_per_sample) {
case 16:
- error = max98095_update_bits(M98095_034_DAI2_FORMAT,
- M98095_DAI_WS, 0);
+ error = max98095_update_bits(M98095_DAI_FORMAT,
+ M98095_DAI_WS, 0);
break;
case 24:
- error = max98095_update_bits(M98095_034_DAI2_FORMAT,
- M98095_DAI_WS, M98095_DAI_WS);
+ error = max98095_update_bits(M98095_DAI_FORMAT,
+ M98095_DAI_WS, M98095_DAI_WS);
break;
default:
debug("%s: Illegal bits per sample %d.\n",
- __func__, bits_per_sample);
+ __func__, bits_per_sample);
return -1;
}
if (rate_value(rate, &regval)) {
debug("%s: Failed to set sample rate to %d.\n",
- __func__, rate);
+ __func__, rate);
return -1;
}
max98095->rate = rate;
- error |= max98095_update_bits(M98095_031_DAI2_CLKMODE,
- M98095_CLKMODE_MASK, regval);
+ error |= max98095_update_bits(M98095_DAI_CLKMODE,
+ M98095_CLKMODE_MASK, regval);
/* Update sample rate mode */
if (rate < 50000)
- error |= max98095_update_bits(M98095_038_DAI2_FILTERS,
- M98095_DAI_DHF, 0);
+ error |= max98095_update_bits(M98095_DAI_FILTERS,
+ M98095_DAI_DHF, 0);
else
- error |= max98095_update_bits(M98095_038_DAI2_FILTERS,
- M98095_DAI_DHF, M98095_DAI_DHF);
+ error |= max98095_update_bits(M98095_DAI_FILTERS,
+ M98095_DAI_DHF, M98095_DAI_DHF);
if (error < 0) {
debug("%s: Error setting hardware params.\n", __func__);
@@ -193,7 +207,7 @@ static int max98095_hw_params(struct max98095_priv *max98095,
* @return -1 for error and 0 success.
*/
static int max98095_set_sysclk(struct max98095_priv *max98095,
- unsigned int freq)
+ unsigned int freq)
{
int error = 0;
@@ -235,22 +249,39 @@ static int max98095_set_sysclk(struct max98095_priv *max98095,
*
* @return -1 for error and 0 Success.
*/
-static int max98095_set_fmt(struct max98095_priv *max98095, int fmt)
+static int max98095_set_fmt(struct max98095_priv *max98095, int fmt,
+ enum en_max_audio_interface aif_id)
{
u8 regval = 0;
int error = 0;
+ unsigned short M98095_DAI_CLKCFG_HI;
+ unsigned short M98095_DAI_CLKCFG_LO;
+ unsigned short M98095_DAI_FORMAT;
+ unsigned short M98095_DAI_CLOCK;
if (fmt == max98095->fmt)
return 0;
max98095->fmt = fmt;
+ if (aif_id == AIF1) {
+ M98095_DAI_CLKCFG_HI = M98095_028_DAI1_CLKCFG_HI;
+ M98095_DAI_CLKCFG_LO = M98095_029_DAI1_CLKCFG_LO;
+ M98095_DAI_FORMAT = M98095_02A_DAI1_FORMAT;
+ M98095_DAI_CLOCK = M98095_02B_DAI1_CLOCK;
+ } else {
+ M98095_DAI_CLKCFG_HI = M98095_032_DAI2_CLKCFG_HI;
+ M98095_DAI_CLKCFG_LO = M98095_033_DAI2_CLKCFG_LO;
+ M98095_DAI_FORMAT = M98095_034_DAI2_FORMAT;
+ M98095_DAI_CLOCK = M98095_035_DAI2_CLOCK;
+ }
+
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBS_CFS:
/* Slave mode PLL */
- error |= max98095_i2c_write(M98095_032_DAI2_CLKCFG_HI,
+ error |= max98095_i2c_write(M98095_DAI_CLKCFG_HI,
0x80);
- error |= max98095_i2c_write(M98095_033_DAI2_CLKCFG_LO,
+ error |= max98095_i2c_write(M98095_DAI_CLKCFG_LO,
0x00);
break;
case SND_SOC_DAIFMT_CBM_CFM:
@@ -292,12 +323,13 @@ static int max98095_set_fmt(struct max98095_priv *max98095, int fmt)
return -1;
}
- error |= max98095_update_bits(M98095_034_DAI2_FORMAT,
- M98095_DAI_MAS | M98095_DAI_DLY | M98095_DAI_BCI |
- M98095_DAI_WCI, regval);
+ error |= max98095_update_bits(M98095_DAI_FORMAT,
+ M98095_DAI_MAS | M98095_DAI_DLY |
+ M98095_DAI_BCI | M98095_DAI_WCI,
+ regval);
- error |= max98095_i2c_write(M98095_035_DAI2_CLOCK,
- M98095_DAI_BSEL64);
+ error |= max98095_i2c_write(M98095_DAI_CLOCK,
+ M98095_DAI_BSEL64);
if (error < 0) {
debug("%s: Error setting i2s format.\n", __func__);
@@ -354,7 +386,8 @@ static int max98095_reset(void)
*
* @returns -1 for error and 0 Success.
*/
-static int max98095_device_init(struct max98095_priv *max98095)
+static int max98095_device_init(struct max98095_priv *max98095,
+ enum en_max_audio_interface aif_id)
{
unsigned char id;
int error = 0;
@@ -374,7 +407,7 @@ static int max98095_device_init(struct max98095_priv *max98095)
error = max98095_i2c_read(M98095_0FF_REV_ID, &id);
if (error < 0) {
debug("%s: Failure reading hardware revision: %d\n",
- __func__, id);
+ __func__, id);
goto err_access;
}
debug("%s: Hardware revision: %c\n", __func__, (id - 0x40) + 'A');
@@ -385,26 +418,28 @@ static int max98095_device_init(struct max98095_priv *max98095)
* initialize registers to hardware default configuring audio
* interface2 to DAC
*/
- error |= max98095_i2c_write(M98095_048_MIX_DAC_LR,
- M98095_DAI2M_TO_DACL|M98095_DAI2M_TO_DACR);
+ if (aif_id == AIF1)
+ error |= max98095_i2c_write(M98095_048_MIX_DAC_LR,
+ M98095_DAI1L_TO_DACL |
+ M98095_DAI1R_TO_DACR);
+ else
+ error |= max98095_i2c_write(M98095_048_MIX_DAC_LR,
+ M98095_DAI2M_TO_DACL |
+ M98095_DAI2M_TO_DACR);
error |= max98095_i2c_write(M98095_092_PWR_EN_OUT,
- M98095_SPK_SPREADSPECTRUM);
- error |= max98095_i2c_write(M98095_045_CFG_DSP, M98095_DSPNORMAL);
+ M98095_SPK_SPREADSPECTRUM);
error |= max98095_i2c_write(M98095_04E_CFG_HP, M98095_HPNORMAL);
-
- error |= max98095_i2c_write(M98095_02C_DAI1_IOCFG,
- M98095_S1NORMAL|M98095_SDATA);
-
- error |= max98095_i2c_write(M98095_036_DAI2_IOCFG,
- M98095_S2NORMAL|M98095_SDATA);
-
- error |= max98095_i2c_write(M98095_040_DAI3_IOCFG,
- M98095_S3NORMAL|M98095_SDATA);
+ if (aif_id == AIF1)
+ error |= max98095_i2c_write(M98095_02C_DAI1_IOCFG,
+ M98095_S1NORMAL | M98095_SDATA);
+ else
+ error |= max98095_i2c_write(M98095_036_DAI2_IOCFG,
+ M98095_S2NORMAL | M98095_SDATA);
/* take the codec out of the shut down */
error |= max98095_update_bits(M98095_097_PWR_SYS, M98095_SHDNRUN,
- M98095_SHDNRUN);
+ M98095_SHDNRUN);
/* route DACL and DACR output to HO and Spekers */
error |= max98095_i2c_write(M98095_050_MIX_SPK_LEFT, 0x01); /* DACL */
error |= max98095_i2c_write(M98095_051_MIX_SPK_RIGHT, 0x01);/* DACR */
@@ -422,7 +457,10 @@ static int max98095_device_init(struct max98095_priv *max98095)
/* Enable DAIs */
error |= max98095_i2c_write(M98095_093_BIAS_CTRL, 0x30);
- error |= max98095_i2c_write(M98095_096_PWR_DAC_CK, 0x07);
+ if (aif_id == AIF1)
+ error |= max98095_i2c_write(M98095_096_PWR_DAC_CK, 0x01);
+ else
+ error |= max98095_i2c_write(M98095_096_PWR_DAC_CK, 0x07);
err_access:
if (error < 0)
@@ -432,8 +470,9 @@ err_access:
}
static int max98095_do_init(struct sound_codec_info *pcodec_info,
- int sampling_rate, int mclk_freq,
- int bits_per_sample)
+ enum en_max_audio_interface aif_id,
+ int sampling_rate, int mclk_freq,
+ int bits_per_sample)
{
int ret = 0;
@@ -443,15 +482,15 @@ static int max98095_do_init(struct sound_codec_info *pcodec_info,
/* shift the device address by 1 for 7 bit addressing */
g_max98095_i2c_dev_addr = pcodec_info->i2c_dev_addr >> 1;
- if (pcodec_info->codec_type == CODEC_MAX_98095)
+ if (pcodec_info->codec_type == CODEC_MAX_98095) {
g_max98095_info.devtype = MAX98095;
- else {
+ } else {
debug("%s: Codec id [%d] not defined\n", __func__,
- pcodec_info->codec_type);
+ pcodec_info->codec_type);
return -1;
}
- ret = max98095_device_init(&g_max98095_info);
+ ret = max98095_device_init(&g_max98095_info, aif_id);
if (ret < 0) {
debug("%s: max98095 codec chip init failed\n", __func__);
return ret;
@@ -463,14 +502,15 @@ static int max98095_do_init(struct sound_codec_info *pcodec_info,
return ret;
}
- ret = max98095_hw_params(&g_max98095_info, sampling_rate,
- bits_per_sample);
+ ret = max98095_hw_params(&g_max98095_info, aif_id, sampling_rate,
+ bits_per_sample);
if (ret == 0) {
ret = max98095_set_fmt(&g_max98095_info,
- SND_SOC_DAIFMT_I2S |
- SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBS_CFS);
+ SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS,
+ aif_id);
}
return ret;
@@ -529,8 +569,9 @@ static int get_max98095_codec_values(struct sound_codec_info *pcodec_info,
}
/* max98095 Device Initialisation */
-int max98095_init(const void *blob, int sampling_rate, int mclk_freq,
- int bits_per_sample)
+int max98095_init(const void *blob, enum en_max_audio_interface aif_id,
+ int sampling_rate, int mclk_freq,
+ int bits_per_sample)
{
int ret;
int old_bus = i2c_get_bus_num();
@@ -538,12 +579,12 @@ int max98095_init(const void *blob, int sampling_rate, int mclk_freq,
if (get_max98095_codec_values(pcodec_info, blob) < 0) {
debug("FDT Codec values failed\n");
- return -1;
+ return -1;
}
i2c_set_bus_num(pcodec_info->i2c_bus);
- ret = max98095_do_init(pcodec_info, sampling_rate, mclk_freq,
- bits_per_sample);
+ ret = max98095_do_init(pcodec_info, aif_id, sampling_rate, mclk_freq,
+ bits_per_sample);
i2c_set_bus_num(old_bus);
return ret;
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 13:58:00 +0000