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-rw-r--r--sound/soc/amd/Kconfig1
-rw-r--r--sound/soc/amd/acp-da7219-max98357a.c109
-rw-r--r--sound/soc/amd/acp-pcm-dma.c214
-rw-r--r--sound/soc/amd/acp.h13
4 files changed, 261 insertions, 76 deletions
diff --git a/sound/soc/amd/Kconfig b/sound/soc/amd/Kconfig
index 6cbf9cf4d1a4..58c1dcb4d255 100644
--- a/sound/soc/amd/Kconfig
+++ b/sound/soc/amd/Kconfig
@@ -8,6 +8,7 @@ config SND_SOC_AMD_CZ_DA7219MX98357_MACH
select SND_SOC_DA7219
select SND_SOC_MAX98357A
select SND_SOC_ADAU7002
+ select REGULATOR
depends on SND_SOC_AMD_ACP && I2C
help
This option enables machine driver for DA7219 and MAX9835.
diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c
index ccddc6650b9c..8e3275a96a82 100644
--- a/sound/soc/amd/acp-da7219-max98357a.c
+++ b/sound/soc/amd/acp-da7219-max98357a.c
@@ -32,6 +32,8 @@
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/module.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/driver.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <linux/acpi.h>
@@ -148,7 +150,8 @@ static int cz_da7219_startup(struct snd_pcm_substream *substream)
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
&constraints_rates);
- machine->i2s_instance = I2S_BT_INSTANCE;
+ machine->i2s_instance = I2S_SP_INSTANCE;
+ machine->capture_channel = CAP_CHANNEL1;
return da7219_clk_enable(substream);
}
@@ -163,7 +166,7 @@ static int cz_max_startup(struct snd_pcm_substream *substream)
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
- machine->i2s_instance = I2S_SP_INSTANCE;
+ machine->i2s_instance = I2S_BT_INSTANCE;
return da7219_clk_enable(substream);
}
@@ -172,13 +175,24 @@ static void cz_max_shutdown(struct snd_pcm_substream *substream)
da7219_clk_disable();
}
-static int cz_dmic_startup(struct snd_pcm_substream *substream)
+static int cz_dmic0_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
+
+ machine->i2s_instance = I2S_BT_INSTANCE;
+ return da7219_clk_enable(substream);
+}
+
+static int cz_dmic1_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_card *card = rtd->card;
struct acp_platform_info *machine = snd_soc_card_get_drvdata(card);
machine->i2s_instance = I2S_SP_INSTANCE;
+ machine->capture_channel = CAP_CHANNEL0;
return da7219_clk_enable(substream);
}
@@ -197,23 +211,39 @@ static const struct snd_soc_ops cz_max_play_ops = {
.shutdown = cz_max_shutdown,
};
-static const struct snd_soc_ops cz_dmic_cap_ops = {
- .startup = cz_dmic_startup,
+static const struct snd_soc_ops cz_dmic0_cap_ops = {
+ .startup = cz_dmic0_startup,
+ .shutdown = cz_dmic_shutdown,
+};
+
+static const struct snd_soc_ops cz_dmic1_cap_ops = {
+ .startup = cz_dmic1_startup,
.shutdown = cz_dmic_shutdown,
};
static struct snd_soc_dai_link cz_dai_7219_98357[] = {
{
- .name = "amd-da7219-play-cap",
- .stream_name = "Playback and Capture",
+ .name = "amd-da7219-play",
+ .stream_name = "Playback",
.platform_name = "acp_audio_dma.0.auto",
- .cpu_dai_name = "designware-i2s.3.auto",
+ .cpu_dai_name = "designware-i2s.1.auto",
.codec_dai_name = "da7219-hifi",
.codec_name = "i2c-DLGS7219:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.init = cz_da7219_init,
.dpcm_playback = 1,
+ .ops = &cz_da7219_cap_ops,
+ },
+ {
+ .name = "amd-da7219-cap",
+ .stream_name = "Capture",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.2.auto",
+ .codec_dai_name = "da7219-hifi",
+ .codec_name = "i2c-DLGS7219:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
.ops = &cz_da7219_cap_ops,
},
@@ -221,7 +251,7 @@ static struct snd_soc_dai_link cz_dai_7219_98357[] = {
.name = "amd-max98357-play",
.stream_name = "HiFi Playback",
.platform_name = "acp_audio_dma.0.auto",
- .cpu_dai_name = "designware-i2s.1.auto",
+ .cpu_dai_name = "designware-i2s.3.auto",
.codec_dai_name = "HiFi",
.codec_name = "MX98357A:00",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
@@ -230,8 +260,22 @@ static struct snd_soc_dai_link cz_dai_7219_98357[] = {
.ops = &cz_max_play_ops,
},
{
- .name = "dmic",
- .stream_name = "DMIC Capture",
+ /* C panel DMIC */
+ .name = "dmic0",
+ .stream_name = "DMIC0 Capture",
+ .platform_name = "acp_audio_dma.0.auto",
+ .cpu_dai_name = "designware-i2s.3.auto",
+ .codec_dai_name = "adau7002-hifi",
+ .codec_name = "ADAU7002:00",
+ .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+ | SND_SOC_DAIFMT_CBM_CFM,
+ .dpcm_capture = 1,
+ .ops = &cz_dmic0_cap_ops,
+ },
+ {
+ /* A/B panel DMIC */
+ .name = "dmic1",
+ .stream_name = "DMIC1 Capture",
.platform_name = "acp_audio_dma.0.auto",
.cpu_dai_name = "designware-i2s.2.auto",
.codec_dai_name = "adau7002-hifi",
@@ -239,7 +283,7 @@ static struct snd_soc_dai_link cz_dai_7219_98357[] = {
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBM_CFM,
.dpcm_capture = 1,
- .ops = &cz_dmic_cap_ops,
+ .ops = &cz_dmic1_cap_ops,
},
};
@@ -278,11 +322,52 @@ static struct snd_soc_card cz_card = {
.num_controls = ARRAY_SIZE(cz_mc_controls),
};
+static struct regulator_consumer_supply acp_da7219_supplies[] = {
+ REGULATOR_SUPPLY("VDD", "i2c-DLGS7219:00"),
+ REGULATOR_SUPPLY("VDDMIC", "i2c-DLGS7219:00"),
+ REGULATOR_SUPPLY("VDDIO", "i2c-DLGS7219:00"),
+ REGULATOR_SUPPLY("IOVDD", "ADAU7002:00"),
+};
+
+static struct regulator_init_data acp_da7219_data = {
+ .constraints = {
+ .always_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(acp_da7219_supplies),
+ .consumer_supplies = acp_da7219_supplies,
+};
+
+static struct regulator_config acp_da7219_cfg = {
+ .init_data = &acp_da7219_data,
+};
+
+static struct regulator_ops acp_da7219_ops = {
+};
+
+static struct regulator_desc acp_da7219_desc = {
+ .name = "reg-fixed-1.8V",
+ .type = REGULATOR_VOLTAGE,
+ .owner = THIS_MODULE,
+ .ops = &acp_da7219_ops,
+ .fixed_uV = 1800000, /* 1.8V */
+ .n_voltages = 1,
+};
+
static int cz_probe(struct platform_device *pdev)
{
int ret;
struct snd_soc_card *card;
struct acp_platform_info *machine;
+ struct regulator_dev *rdev;
+
+ acp_da7219_cfg.dev = &pdev->dev;
+ rdev = devm_regulator_register(&pdev->dev, &acp_da7219_desc,
+ &acp_da7219_cfg);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "Failed to register regulator: %d\n",
+ (int)PTR_ERR(rdev));
+ return -EINVAL;
+ }
machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info),
GFP_KERNEL);
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 77203841c535..e359938e3d7e 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -224,13 +224,11 @@ static void set_acp_sysmem_dma_descriptors(void __iomem *acp_mmio,
switch (asic_type) {
case CHIP_STONEY:
dmadscr[i].xfer_val |=
- BIT(22) |
(ACP_DMA_ATTR_SHARED_MEM_TO_DAGB_GARLIC << 16) |
(size / 2);
break;
default:
dmadscr[i].xfer_val |=
- BIT(22) |
(ACP_DMA_ATTR_SHAREDMEM_TO_DAGB_ONION << 16) |
(size / 2);
}
@@ -322,22 +320,87 @@ static void config_acp_dma(void __iomem *acp_mmio,
struct audio_substream_data *rtd,
u32 asic_type)
{
+ u16 ch_acp_sysmem, ch_acp_i2s;
+
acp_pte_config(acp_mmio, rtd->pg, rtd->num_of_pages,
rtd->pte_offset);
+
+ if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
+ ch_acp_sysmem = rtd->ch1;
+ ch_acp_i2s = rtd->ch2;
+ } else {
+ ch_acp_i2s = rtd->ch1;
+ ch_acp_sysmem = rtd->ch2;
+ }
/* Configure System memory <-> ACP SRAM DMA descriptors */
set_acp_sysmem_dma_descriptors(acp_mmio, rtd->size,
rtd->direction, rtd->pte_offset,
- rtd->ch1, rtd->sram_bank,
+ ch_acp_sysmem, rtd->sram_bank,
rtd->dma_dscr_idx_1, asic_type);
/* Configure ACP SRAM <-> I2S DMA descriptors */
set_acp_to_i2s_dma_descriptors(acp_mmio, rtd->size,
rtd->direction, rtd->sram_bank,
- rtd->destination, rtd->ch2,
+ rtd->destination, ch_acp_i2s,
rtd->dma_dscr_idx_2, asic_type);
}
+static void acp_dma_cap_channel_enable(void __iomem *acp_mmio,
+ u16 cap_channel)
+{
+ u32 val, ch_reg, imr_reg, res_reg;
+
+ switch (cap_channel) {
+ case CAP_CHANNEL1:
+ ch_reg = mmACP_I2SMICSP_RER1;
+ res_reg = mmACP_I2SMICSP_RCR1;
+ imr_reg = mmACP_I2SMICSP_IMR1;
+ break;
+ case CAP_CHANNEL0:
+ default:
+ ch_reg = mmACP_I2SMICSP_RER0;
+ res_reg = mmACP_I2SMICSP_RCR0;
+ imr_reg = mmACP_I2SMICSP_IMR0;
+ break;
+ }
+ val = acp_reg_read(acp_mmio,
+ mmACP_I2S_16BIT_RESOLUTION_EN);
+ if (val & ACP_I2S_MIC_16BIT_RESOLUTION_EN) {
+ acp_reg_write(0x0, acp_mmio, ch_reg);
+ /* Set 16bit resolution on capture */
+ acp_reg_write(0x2, acp_mmio, res_reg);
+ }
+ val = acp_reg_read(acp_mmio, imr_reg);
+ val &= ~ACP_I2SMICSP_IMR1__I2SMICSP_RXDAM_MASK;
+ val &= ~ACP_I2SMICSP_IMR1__I2SMICSP_RXFOM_MASK;
+ acp_reg_write(val, acp_mmio, imr_reg);
+ acp_reg_write(0x1, acp_mmio, ch_reg);
+}
+
+static void acp_dma_cap_channel_disable(void __iomem *acp_mmio,
+ u16 cap_channel)
+{
+ u32 val, ch_reg, imr_reg;
+
+ switch (cap_channel) {
+ case CAP_CHANNEL1:
+ imr_reg = mmACP_I2SMICSP_IMR1;
+ ch_reg = mmACP_I2SMICSP_RER1;
+ break;
+ case CAP_CHANNEL0:
+ default:
+ imr_reg = mmACP_I2SMICSP_IMR0;
+ ch_reg = mmACP_I2SMICSP_RER0;
+ break;
+ }
+ val = acp_reg_read(acp_mmio, imr_reg);
+ val |= ACP_I2SMICSP_IMR1__I2SMICSP_RXDAM_MASK;
+ val |= ACP_I2SMICSP_IMR1__I2SMICSP_RXFOM_MASK;
+ acp_reg_write(val, acp_mmio, imr_reg);
+ acp_reg_write(0x0, acp_mmio, ch_reg);
+}
+
/* Start a given DMA channel transfer */
-static void acp_dma_start(void __iomem *acp_mmio, u16 ch_num)
+static void acp_dma_start(void __iomem *acp_mmio, u16 ch_num, bool is_circular)
{
u32 dma_ctrl;
@@ -356,10 +419,8 @@ static void acp_dma_start(void __iomem *acp_mmio, u16 ch_num)
switch (ch_num) {
case ACP_TO_I2S_DMA_CH_NUM:
- case ACP_TO_SYSRAM_CH_NUM:
case I2S_TO_ACP_DMA_CH_NUM:
case ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM:
- case ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM:
case I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM:
dma_ctrl |= ACP_DMA_CNTL_0__DMAChIOCEn_MASK;
break;
@@ -368,8 +429,11 @@ static void acp_dma_start(void __iomem *acp_mmio, u16 ch_num)
break;
}
- /* circular for both DMA channel */
- dma_ctrl |= ACP_DMA_CNTL_0__Circular_DMA_En_MASK;
+ /* enable for ACP to SRAM DMA channel */
+ if (is_circular == true)
+ dma_ctrl |= ACP_DMA_CNTL_0__Circular_DMA_En_MASK;
+ else
+ dma_ctrl &= ~ACP_DMA_CNTL_0__Circular_DMA_En_MASK;
acp_reg_write(dma_ctrl, acp_mmio, mmACP_DMA_CNTL_0 + ch_num);
}
@@ -613,6 +677,7 @@ static int acp_deinit(void __iomem *acp_mmio)
/* ACP DMA irq handler routine for playback, capture usecases */
static irqreturn_t dma_irq_handler(int irq, void *arg)
{
+ u16 dscr_idx;
u32 intr_flag, ext_intr_status;
struct audio_drv_data *irq_data;
void __iomem *acp_mmio;
@@ -644,32 +709,39 @@ static irqreturn_t dma_irq_handler(int irq, void *arg)
if ((intr_flag & BIT(I2S_TO_ACP_DMA_CH_NUM)) != 0) {
valid_irq = true;
+ if (acp_reg_read(acp_mmio, mmACP_DMA_CUR_DSCR_14) ==
+ CAPTURE_START_DMA_DESCR_CH15)
+ dscr_idx = CAPTURE_END_DMA_DESCR_CH14;
+ else
+ dscr_idx = CAPTURE_START_DMA_DESCR_CH14;
+ config_acp_dma_channel(acp_mmio, ACP_TO_SYSRAM_CH_NUM, dscr_idx,
+ 1, 0);
+ acp_dma_start(acp_mmio, ACP_TO_SYSRAM_CH_NUM, false);
+
snd_pcm_period_elapsed(irq_data->capture_i2ssp_stream);
acp_reg_write((intr_flag & BIT(I2S_TO_ACP_DMA_CH_NUM)) << 16,
acp_mmio, mmACP_EXTERNAL_INTR_STAT);
}
- if ((intr_flag & BIT(ACP_TO_SYSRAM_CH_NUM)) != 0) {
- valid_irq = true;
- acp_reg_write((intr_flag & BIT(ACP_TO_SYSRAM_CH_NUM)) << 16,
- acp_mmio, mmACP_EXTERNAL_INTR_STAT);
- }
-
if ((intr_flag & BIT(I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM)) != 0) {
valid_irq = true;
+ if (acp_reg_read(acp_mmio, mmACP_DMA_CUR_DSCR_10) ==
+ CAPTURE_START_DMA_DESCR_CH11)
+ dscr_idx = CAPTURE_END_DMA_DESCR_CH10;
+ else
+ dscr_idx = CAPTURE_START_DMA_DESCR_CH10;
+ config_acp_dma_channel(acp_mmio,
+ ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM,
+ dscr_idx, 1, 0);
+ acp_dma_start(acp_mmio, ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM,
+ false);
+
snd_pcm_period_elapsed(irq_data->capture_i2sbt_stream);
acp_reg_write((intr_flag &
BIT(I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM)) << 16,
acp_mmio, mmACP_EXTERNAL_INTR_STAT);
}
- if ((intr_flag & BIT(ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM)) != 0) {
- valid_irq = true;
- acp_reg_write((intr_flag &
- BIT(ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM)) << 16,
- acp_mmio, mmACP_EXTERNAL_INTR_STAT);
- }
-
if (valid_irq)
return IRQ_HANDLED;
else
@@ -773,7 +845,10 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
if (WARN_ON(!rtd))
return -EINVAL;
- rtd->i2s_instance = pinfo->i2s_instance;
+ if (pinfo) {
+ rtd->i2s_instance = pinfo->i2s_instance;
+ rtd->capture_channel = pinfo->capture_channel;
+ }
if (adata->asic_type == CHIP_STONEY) {
val = acp_reg_read(adata->acp_mmio,
mmACP_I2S_16BIT_RESOLUTION_EN);
@@ -841,8 +916,8 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
switch (rtd->i2s_instance) {
case I2S_BT_INSTANCE:
rtd->pte_offset = ACP_ST_BT_CAPTURE_PTE_OFFSET;
- rtd->ch1 = ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM;
- rtd->ch2 = I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM;
+ rtd->ch1 = I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM;
+ rtd->ch2 = ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM;
rtd->sram_bank = ACP_SRAM_BANK_4_ADDRESS;
rtd->destination = FROM_BLUETOOTH;
rtd->dma_dscr_idx_1 = CAPTURE_START_DMA_DESCR_CH10;
@@ -851,13 +926,14 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
mmACP_I2S_BT_RECEIVE_BYTE_CNT_HIGH;
rtd->byte_cnt_low_reg_offset =
mmACP_I2S_BT_RECEIVE_BYTE_CNT_LOW;
+ rtd->dma_curr_dscr = mmACP_DMA_CUR_DSCR_11;
adata->capture_i2sbt_stream = substream;
break;
case I2S_SP_INSTANCE:
default:
rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
- rtd->ch1 = ACP_TO_SYSRAM_CH_NUM;
- rtd->ch2 = I2S_TO_ACP_DMA_CH_NUM;
+ rtd->ch1 = I2S_TO_ACP_DMA_CH_NUM;
+ rtd->ch2 = ACP_TO_SYSRAM_CH_NUM;
switch (adata->asic_type) {
case CHIP_STONEY:
rtd->pte_offset = ACP_ST_CAPTURE_PTE_OFFSET;
@@ -874,6 +950,7 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
mmACP_I2S_RECEIVED_BYTE_CNT_HIGH;
rtd->byte_cnt_low_reg_offset =
mmACP_I2S_RECEIVED_BYTE_CNT_LOW;
+ rtd->dma_curr_dscr = mmACP_DMA_CUR_DSCR_15;
adata->capture_i2ssp_stream = substream;
}
}
@@ -927,6 +1004,8 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream)
u32 buffersize;
u32 pos = 0;
u64 bytescount = 0;
+ u16 dscr;
+ u32 period_bytes, delay;
struct snd_pcm_runtime *runtime = substream->runtime;
struct audio_substream_data *rtd = runtime->private_data;
@@ -934,12 +1013,25 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream)
if (!rtd)
return -EINVAL;
- buffersize = frames_to_bytes(runtime, runtime->buffer_size);
- bytescount = acp_get_byte_count(rtd);
-
- if (bytescount > rtd->bytescount)
- bytescount -= rtd->bytescount;
- pos = do_div(bytescount, buffersize);
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ period_bytes = frames_to_bytes(runtime, runtime->period_size);
+ dscr = acp_reg_read(rtd->acp_mmio, rtd->dma_curr_dscr);
+ if (dscr == rtd->dma_dscr_idx_1)
+ pos = period_bytes;
+ else
+ pos = 0;
+ bytescount = acp_get_byte_count(rtd);
+ if (bytescount > rtd->bytescount)
+ bytescount -= rtd->bytescount;
+ delay = do_div(bytescount, period_bytes);
+ runtime->delay = bytes_to_frames(runtime, delay);
+ } else {
+ buffersize = frames_to_bytes(runtime, runtime->buffer_size);
+ bytescount = acp_get_byte_count(rtd);
+ if (bytescount > rtd->bytescount)
+ bytescount -= rtd->bytescount;
+ pos = do_div(bytescount, buffersize);
+ }
return bytes_to_frames(runtime, pos);
}
@@ -953,16 +1045,24 @@ static int acp_dma_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct audio_substream_data *rtd = runtime->private_data;
+ u16 ch_acp_sysmem, ch_acp_i2s;
if (!rtd)
return -EINVAL;
+ if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
+ ch_acp_sysmem = rtd->ch1;
+ ch_acp_i2s = rtd->ch2;
+ } else {
+ ch_acp_i2s = rtd->ch1;
+ ch_acp_sysmem = rtd->ch2;
+ }
config_acp_dma_channel(rtd->acp_mmio,
- rtd->ch1,
+ ch_acp_sysmem,
rtd->dma_dscr_idx_1,
NUM_DSCRS_PER_CHANNEL, 0);
config_acp_dma_channel(rtd->acp_mmio,
- rtd->ch2,
+ ch_acp_i2s,
rtd->dma_dscr_idx_2,
NUM_DSCRS_PER_CHANNEL, 0);
return 0;
@@ -971,7 +1071,6 @@ static int acp_dma_prepare(struct snd_pcm_substream *substream)
static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
{
int ret;
- u64 bytescount = 0;
struct snd_pcm_runtime *runtime = substream->runtime;
struct audio_substream_data *rtd = runtime->private_data;
@@ -982,37 +1081,32 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
- bytescount = acp_get_byte_count(rtd);
- if (rtd->bytescount == 0)
- rtd->bytescount = bytescount;
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- acp_dma_start(rtd->acp_mmio, rtd->ch1);
- acp_dma_start(rtd->acp_mmio, rtd->ch2);
+ rtd->bytescount = acp_get_byte_count(rtd);
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+ if (rtd->capture_channel == CAP_CHANNEL0) {
+ acp_dma_cap_channel_disable(rtd->acp_mmio,
+ CAP_CHANNEL1);
+ acp_dma_cap_channel_enable(rtd->acp_mmio,
+ CAP_CHANNEL0);
+ }
+ if (rtd->capture_channel == CAP_CHANNEL1) {
+ acp_dma_cap_channel_disable(rtd->acp_mmio,
+ CAP_CHANNEL0);
+ acp_dma_cap_channel_enable(rtd->acp_mmio,
+ CAP_CHANNEL1);
+ }
+ acp_dma_start(rtd->acp_mmio, rtd->ch1, true);
} else {
- acp_dma_start(rtd->acp_mmio, rtd->ch2);
- acp_dma_start(rtd->acp_mmio, rtd->ch1);
+ acp_dma_start(rtd->acp_mmio, rtd->ch1, true);
+ acp_dma_start(rtd->acp_mmio, rtd->ch2, true);
}
ret = 0;
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
case SNDRV_PCM_TRIGGER_SUSPEND:
- /* For playback, non circular dma should be stopped first
- * i.e Sysram to acp dma transfer channel(rtd->ch1) should be
- * stopped before stopping cirular dma which is acp sram to i2s
- * fifo dma transfer channel(rtd->ch2). Where as in Capture
- * scenario, i2s fifo to acp sram dma channel(rtd->ch2) stopped
- * first before stopping acp sram to sysram which is circular
- * dma(rtd->ch1).
- */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- acp_dma_stop(rtd->acp_mmio, rtd->ch1);
- ret = acp_dma_stop(rtd->acp_mmio, rtd->ch2);
- } else {
- acp_dma_stop(rtd->acp_mmio, rtd->ch2);
- ret = acp_dma_stop(rtd->acp_mmio, rtd->ch1);
- }
- rtd->bytescount = 0;
+ acp_dma_stop(rtd->acp_mmio, rtd->ch2);
+ ret = acp_dma_stop(rtd->acp_mmio, rtd->ch1);
break;
default:
ret = -EINVAL;
diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
index 9cd3e96c84d4..be3963e8f4fa 100644
--- a/sound/soc/amd/acp.h
+++ b/sound/soc/amd/acp.h
@@ -55,6 +55,8 @@
#define I2S_SP_INSTANCE 0x01
#define I2S_BT_INSTANCE 0x02
+#define CAP_CHANNEL0 0x00
+#define CAP_CHANNEL1 0x01
#define ACP_TILE_ON_MASK 0x03
#define ACP_TILE_OFF_MASK 0x02
@@ -72,16 +74,16 @@
#define ACP_TO_I2S_DMA_CH_NUM 13
/* Capture DMA channels */
-#define ACP_TO_SYSRAM_CH_NUM 14
-#define I2S_TO_ACP_DMA_CH_NUM 15
+#define I2S_TO_ACP_DMA_CH_NUM 14
+#define ACP_TO_SYSRAM_CH_NUM 15
/* Playback DMA Channels for I2S BT instance */
#define SYSRAM_TO_ACP_BT_INSTANCE_CH_NUM 8
#define ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM 9
/* Capture DMA Channels for I2S BT Instance */
-#define ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM 10
-#define I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM 11
+#define I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM 10
+#define ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM 11
#define NUM_DSCRS_PER_CHANNEL 2
@@ -125,6 +127,7 @@ struct audio_substream_data {
unsigned int order;
u16 num_of_pages;
u16 i2s_instance;
+ u16 capture_channel;
u16 direction;
u16 ch1;
u16 ch2;
@@ -135,6 +138,7 @@ struct audio_substream_data {
u32 sram_bank;
u32 byte_cnt_high_reg_offset;
u32 byte_cnt_low_reg_offset;
+ u32 dma_curr_dscr;
uint64_t size;
u64 bytescount;
void __iomem *acp_mmio;
@@ -155,6 +159,7 @@ struct audio_drv_data {
*/
struct acp_platform_info {
u16 i2s_instance;
+ u16 capture_channel;
};
union acp_dma_count {
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-13 06:00:53 +0000