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ASoC: tegra-alt: Dump APE register for debugging

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Add support with a mixer control using which APE register
status can be dumped from userspace during an error or
while debugging.

Bug 200307023

Change-Id: I489bdaeeec16975a872b9b145a1672f3f4ef1928
Reviewed-on:http://git-master/r/#/c/1478879
Signed-off-by: Mohan Kumar <mkumard@nvidia.com>
Reviewed-on: http://git-master/r/1499107
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: Dipesh Gandhi <dipeshg@nvidia.com>
Reviewed-by: Ravindra Lokhande <rlokhande@nvidia.com>
This commit is contained in:
Mohan Kumar
2017-06-09 11:44:54 +05:30
committed by Sameer Pujar
parent e1e49b52f6
commit 654d951c76
1 changed files with 78 additions and 0 deletions
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78
sound/soc/tegra-alt/tegra210_admaif_alt.c
View File

@@ -589,6 +589,78 @@ static int tegra_admaif_put_format(struct snd_kcontrol *kcontrol,
return 0;
}
static void tegra_admaif_reg_dump(struct tegra_admaif *admaif)
{
int i, stride;
int ret;
int tx_offset = admaif->soc_data->reg_offsets.tx_enable;
ret = pm_runtime_get_sync(admaif->dev->parent);
if (ret < 0) {
dev_err(admaif->dev, "parent get_sync failed: %d\n", ret);
return;
}
pr_info("=========ADMAIF reg dump=========\n");
for (i = 0; i < admaif->soc_data->num_ch; i++) {
stride = (i * TEGRA_ADMAIF_CHANNEL_REG_STRIDE);
pr_info("RX%d_Enable = %#x\n", i+1,
readl(admaif->base_addr +
TEGRA_ADMAIF_XBAR_RX_ENABLE + stride));
pr_info("RX%d_STATUS = %#x\n", i+1,
readl(admaif->base_addr +
TEGRA_ADMAIF_XBAR_RX_STATUS + stride));
pr_info("RX%d_CIF_CTRL = %#x\n", i+1,
readl(admaif->base_addr +
TEGRA_ADMAIF_CHAN_ACIF_RX_CTRL + stride));
pr_info("RX%d_FIFO_CTRL = %#x\n", i+1,
readl(admaif->base_addr +
TEGRA_ADMAIF_XBAR_RX_FIFO_CTRL + stride));
pr_info("TX%d_Enable = %#x\n", i+1,
readl(admaif->base_addr + tx_offset +
stride));
pr_info("TX%d_STATUS = %#x\n", i+1,
readl(admaif->base_addr + tx_offset +
TEGRA_ADMAIF_XBAR_TX_STATUS + stride));
pr_info("TX%d_CIF_CTRL = %#x\n", i+1,
readl(admaif->base_addr + tx_offset +
TEGRA_ADMAIF_CHAN_ACIF_TX_CTRL + stride));
pr_info("TX%d_FIFO_CTRL = %#x\n", i+1,
readl(admaif->base_addr + tx_offset +
TEGRA_ADMAIF_XBAR_TX_FIFO_CTRL + stride));
}
pm_runtime_put_sync(admaif->dev->parent);
}
static int tegra210_ape_dump_reg_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tegra_admaif *admaif = snd_soc_codec_get_drvdata(codec);
ucontrol->value.integer.value[0] = admaif->reg_dump_flag;
return 0;
}
static int tegra210_ape_dump_reg_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct tegra_admaif *admaif = snd_soc_codec_get_drvdata(codec);
admaif->reg_dump_flag = ucontrol->value.integer.value[0];
if (admaif->reg_dump_flag) {
#if IS_ENABLED(CONFIG_TEGRA210_ADMA)
tegra_adma_dump_ch_reg();
#endif
tegra_admaif_reg_dump(admaif);
}
return 0;
}
static int tegra_admaif_dai_probe(struct snd_soc_dai *dai)
{
struct tegra_admaif *admaif = snd_soc_dai_get_drvdata(dai);
@@ -893,6 +965,8 @@ static struct snd_kcontrol_new tegra210_admaif_controls[] = {
TEGRA_ADMAIF_TX_CIF_CTRL(8),
TEGRA_ADMAIF_TX_CIF_CTRL(9),
TEGRA_ADMAIF_TX_CIF_CTRL(10),
SOC_SINGLE_EXT("APE Reg Dump", SND_SOC_NOPM, 0, 1, 0,
tegra210_ape_dump_reg_get, tegra210_ape_dump_reg_put),
};
static struct snd_kcontrol_new tegra186_admaif_controls[] = {
@@ -956,6 +1030,8 @@ static struct snd_kcontrol_new tegra186_admaif_controls[] = {
TEGRA_ADMAIF_TX_CIF_CTRL(18),
TEGRA_ADMAIF_TX_CIF_CTRL(19),
TEGRA_ADMAIF_TX_CIF_CTRL(20),
SOC_SINGLE_EXT("APE Reg Dump", SND_SOC_NOPM, 0, 1, 0,
tegra210_ape_dump_reg_get, tegra210_ape_dump_reg_put),
};
static int tegra_admaif_codec_probe(struct snd_soc_codec *codec)
@@ -1052,6 +1128,7 @@ static int tegra_admaif_probe(struct platform_device *pdev)
}
admaif->refcnt = 0;
admaif->dev = &pdev->dev;
admaif->soc_data = (struct tegra_admaif_soc_data *)match->data;
admaif->is_shutdown = false;
@@ -1117,6 +1194,7 @@ static int tegra_admaif_probe(struct platform_device *pdev)
goto err;
}
admaif->base_addr = regs;
admaif->regmap = devm_regmap_init_mmio(&pdev->dev, regs,
admaif->soc_data->regmap_conf);
if (IS_ERR(admaif->regmap)) {