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ASoC: rk3308_codec: add support ADC grps and DAC endisable for testing

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Some times, we need to enable/disable ADC grps or DAC
directly to debug.

Change-Id: I53b9fa94733d84f7101e299d3fcb6f9160e36112
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
This commit is contained in:
Xing Zheng
2019-05-23 20:14:19 +08:00
committed by Sugar Zhang
parent e5ec404571
commit 70ab12578d
1 changed files with 129 additions and 0 deletions
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129
sound/soc/codecs/rk3308_codec.c
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@@ -111,6 +111,7 @@ enum {
enum {
ADC_TYPE_NORMAL = 0,
ADC_TYPE_LOOPBACK,
ADC_TYPE_DBG,
ADC_TYPE_ALL,
};
@@ -171,6 +172,7 @@ struct rk3308_codec_priv {
u32 used_adc_grps;
/* The ADC group which is used for loop back */
u32 loopback_grp;
u32 cur_dbg_grp;
u32 en_always_grps[ADC_LR_GROUP_MAX];
u32 en_always_grps_num;
u32 skip_grps[ADC_LR_GROUP_MAX];
@@ -211,6 +213,8 @@ struct rk3308_codec_priv {
unsigned int hpout_l_dgain;
unsigned int hpout_r_dgain;
bool adc_grps_endisable[ADC_LR_GROUP_MAX];
bool dac_endisable;
bool enable_all_adcs;
bool enable_micbias;
bool micbias1;
@@ -1341,6 +1345,18 @@ static bool adc_for_each_grp(struct rk3308_codec_priv *rk3308,
dev_dbg(rk3308->plat_dev,
"ADC_TYPE_ALL, idx: %d, get grp: %d\n",
idx, *grp);
} else if (type == ADC_TYPE_DBG) {
if (idx >= ADC_LR_GROUP_MAX)
return false;
if (idx == (int)rk3308->cur_dbg_grp)
*grp = idx;
else
*grp = ADC_GRP_SKIP_MAGIC;
dev_dbg(rk3308->plat_dev,
"ADC_TYPE_DBG, idx: %d, get grp: %d\n",
idx, *grp);
} else {
if (idx >= 1)
return false;
@@ -2265,6 +2281,8 @@ static int rk3308_codec_dac_enable(struct rk3308_codec_priv *rk3308)
rk3308_codec_digital_fadein(rk3308);
}
rk3308->dac_endisable = true;
/* TODO: TRY TO TEST DRIVE STRENGTH */
return 0;
@@ -2417,6 +2435,8 @@ static int rk3308_codec_dac_disable(struct rk3308_codec_priv *rk3308)
* rk3308_codec_adc_ana_disable(rk3308, type);
*/
rk3308->dac_endisable = false;
return 0;
}
@@ -3226,6 +3246,13 @@ static int rk3308_codec_adc_ana_enable(struct rk3308_codec_priv *rk3308,
}
}
for (idx = 0; adc_for_each_grp(rk3308, type, idx, &grp); idx++) {
if (grp < 0 || grp > ADC_LR_GROUP_MAX - 1)
continue;
rk3308->adc_grps_endisable[grp] = true;
}
return 0;
}
@@ -3352,6 +3379,13 @@ static int rk3308_codec_adc_ana_disable(struct rk3308_codec_priv *rk3308,
RK3308_ADC_CH2_MIC_INIT);
}
for (idx = 0; adc_for_each_grp(rk3308, type, idx, &grp); idx++) {
if (grp < 0 || grp > ADC_LR_GROUP_MAX - 1)
continue;
rk3308->adc_grps_endisable[grp] = false;
}
return 0;
}
@@ -3441,6 +3475,20 @@ static void rk3308_codec_dac_mclk_enable(struct rk3308_codec_priv *rk3308)
udelay(20);
}
static int rk3308_codec_open_dbg_capture(struct rk3308_codec_priv *rk3308)
{
rk3308_codec_adc_ana_enable(rk3308, ADC_TYPE_DBG);
return 0;
}
static int rk3308_codec_close_dbg_capture(struct rk3308_codec_priv *rk3308)
{
rk3308_codec_adc_ana_disable(rk3308, ADC_TYPE_DBG);
return 0;
}
static int rk3308_codec_close_all_capture(struct rk3308_codec_priv *rk3308)
{
rk3308_codec_adc_ana_disable(rk3308, ADC_TYPE_ALL);
@@ -4506,6 +4554,85 @@ static ssize_t adc_zerocross_store(struct device *dev,
return count;
}
static ssize_t adc_grps_endisable_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct rk3308_codec_priv *rk3308 =
container_of(dev, struct rk3308_codec_priv, dev);
int count = 0, i;
count += sprintf(buf + count, "enabled adc grps:");
for (i = 0; i < ADC_LR_GROUP_MAX; i++)
count += sprintf(buf + count, "%d ",
rk3308->adc_grps_endisable[i]);
count += sprintf(buf + count, "\n");
return count;
}
static ssize_t adc_grps_endisable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct rk3308_codec_priv *rk3308 =
container_of(dev, struct rk3308_codec_priv, dev);
int grp, endisable, ret;
ret = sscanf(buf, "%d,%d", &grp, &endisable);
if (ret != 2) {
dev_err(rk3308->plat_dev, "%s sscanf failed: %d\n",
__func__, ret);
return -EFAULT;
}
rk3308->cur_dbg_grp = grp;
if (endisable)
rk3308_codec_open_dbg_capture(rk3308);
else
rk3308_codec_close_dbg_capture(rk3308);
dev_info(dev, "ADC grp %d endisable: %d\n", grp, endisable);
return count;
}
static ssize_t dac_endisable_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct rk3308_codec_priv *rk3308 =
container_of(dev, struct rk3308_codec_priv, dev);
return sprintf(buf, "%d\n", rk3308->dac_endisable);
}
static ssize_t dac_endisable_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct rk3308_codec_priv *rk3308 =
container_of(dev, struct rk3308_codec_priv, dev);
unsigned long endisable;
int ret = kstrtoul(buf, 10, &endisable);
if (ret < 0) {
dev_err(dev, "Invalid endisable: %ld, ret: %d\n",
endisable, ret);
return -EINVAL;
}
if (endisable)
rk3308_codec_open_playback(rk3308);
else
rk3308_codec_close_playback(rk3308);
dev_info(dev, "DAC endisable: %ld\n", endisable);
return count;
}
static ssize_t dac_output_show(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -4587,9 +4714,11 @@ static ssize_t enable_all_adcs_store(struct device *dev,
static const struct device_attribute acodec_attrs[] = {
__ATTR_RW(adc_grps),
__ATTR_RW(adc_grps_endisable),
__ATTR_RW(adc_grps_route),
__ATTR_RW(adc_grp0_in),
__ATTR_RW(adc_zerocross),
__ATTR_RW(dac_endisable),
__ATTR_RW(dac_output),
__ATTR_RW(enable_all_adcs),
__ATTR_RW(pm_state),