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audio: Add tas5782 volume control [1/1]

Browse Source 
PD#SWPL-4734

Problem:
  There is no volume control for tas5782

Solution:
  Add ch1/ch2 volume control for tas5782

Verify:
  A113

Change-Id: I1e866a2bc024713278aea0c19cc8c91084a24b90
Signed-off-by: yujie.wu <yujie.wu@amlogic.com>
This commit is contained in:
yujie.wu
2019-02-26 20:06:47 +08:00
committed by Jianxin Pan
parent b32b869103
commit 485d3f167f
1 changed files with 152 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

162
sound/soc/codecs/amlogic/tas5782m.c
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@@ -51,6 +51,15 @@ static void tas5782m_late_resume(struct early_suspend *h);
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE | \
SNDRV_PCM_FMTBIT_S32_LE)
#define TAS5782M_REG_00 (0x00)
#define TAS5782M_REG_7F (0x7F)
#define TAS5782M_REG_28 (0x28)
#define TAS5782M_REG_29 (0x29)
#define TAS5782M_REG_3D (0x3D)
#define TAS5782M_REG_3E (0x3E)
enum BITSIZE_MODE {
BITSIZE_MODE_16BITS = 0,
BITSIZE_MODE_20BITS = 1,
@@ -87,11 +96,143 @@ struct tas5782m_priv {
static int g_sample_bitsize = 32;
static const DECLARE_TLV_DB_SCALE(mvol_tlv, -12700, 50, 1);
static const DECLARE_TLV_DB_SCALE(chvol_tlv, -10300, 50, 1);
static int tas5782m_ch1_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
| SNDRV_CTL_ELEM_ACCESS_READWRITE;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 0xff;
uinfo->value.integer.step = 1;
return 0;
}
static int tas5782m_ch2_vol_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->access = SNDRV_CTL_ELEM_ACCESS_TLV_READ
| SNDRV_CTL_ELEM_ACCESS_READWRITE;
uinfo->count = 1;
uinfo->value.integer.min = 0;
uinfo->value.integer.max = 0xff;
uinfo->value.integer.step = 1;
return 0;
}
static int tas5782m_ch1_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas5782m->Ch1_vol;
return 0;
}
static int tas5782m_ch2_vol_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = tas5782m->Ch2_vol;
return 0;
}
static void tas5782m_set_volume(struct snd_soc_codec *codec,
int value, int ch_num)
{
unsigned char buf[2];
int write_count = 0;
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
if (value < 0)
value = 0;
if (value > 255)
value = 255;
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = TAS5782M_REG_7F, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = (ch_num == 0) ? TAS5782M_REG_3D : TAS5782M_REG_3E;
buf[1] = value;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
}
static int tas5782m_ch1_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
int value;
value = ucontrol->value.integer.value[0];
tas5782m->Ch1_vol = value;
tas5782m_set_volume(codec, value, 0);
return 0;
}
static int tas5782m_ch2_vol_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tas5782m_priv *tas5782m = snd_soc_codec_get_drvdata(codec);
int value;
value = ucontrol->value.integer.value[0];
tas5782m->Ch2_vol = value;
tas5782m_set_volume(codec, value, 1);
return 0;
}
static const struct snd_kcontrol_new tas5782m_snd_controls[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Ch1 Volume",
.info = tas5782m_ch1_vol_info,
.get = tas5782m_ch1_vol_get,
.put = tas5782m_ch1_vol_put,
},
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.name = "Ch2 Volume",
.info = tas5782m_ch2_vol_info,
.get = tas5782m_ch2_vol_get,
.put = tas5782m_ch2_vol_put,
}
};
static int tas5782m_set_dai_sysclk(struct snd_soc_dai *codec_dai,
@@ -245,17 +386,18 @@ static int tas5782m_init_i2s_tdm_mode(struct snd_soc_codec *codec, int bit_size)
enum BITSIZE_MODE bit_value = BITSIZE_MODE_32BITS;
write_count = 2;
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = 0x7f, buf[1] = 0x00;
buf[0] = TAS5782M_REG_7F, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = 0x00, buf[1] = 0x00;
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
@@ -270,7 +412,7 @@ static int tas5782m_init_i2s_tdm_mode(struct snd_soc_codec *codec, int bit_size)
else if (bit_size == 32)
bit_value = BITSIZE_MODE_32BITS;
buf[0] = 0x28, buf[1] = (work_mod << 4) | bit_value;
buf[0] = TAS5782M_REG_28, buf[1] = (work_mod << 4) | bit_value;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf, write_count)) {
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
@@ -282,21 +424,21 @@ static int tas5782m_init_i2s_tdm_mode(struct snd_soc_codec *codec, int bit_size)
}
if (work_mod == WORK_MODE_TDM) {
buf[0] = 0x00, buf[1] = 0x00;
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf,
write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = 0x7f, buf[1] = 0x00;
buf[0] = TAS5782M_REG_7F, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf,
write_count))
pr_err("%s %d !!!!! i2c_master_send error !!!!!\n",
__func__, __LINE__);
buf[0] = 0x00, buf[1] = 0x00;
buf[0] = TAS5782M_REG_00, buf[1] = 0x00;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf,
write_count))
@@ -305,7 +447,7 @@ static int tas5782m_init_i2s_tdm_mode(struct snd_soc_codec *codec, int bit_size)
tdm_aofs = bit_size * 2 * (tas5782m->chip_offset - 1);
buf[0] = 0x29, buf[1] = tdm_aofs;
buf[0] = TAS5782M_REG_29, buf[1] = tdm_aofs;
write_count = 2;
if (write_count != i2c_master_send(tas5782m->i2c, buf,
write_count)) {