Add I2S MICSP instance support for Stoney variant.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- sound/soc/amd/acp-pcm-dma.c | 50 +++++++++++++++++++++++++++++++++++-- sound/soc/amd/acp.h | 13 ++++++++++ 2 files changed, 61 insertions(+), 2 deletions(-)
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 1cd2e70a57df..198358d28ea9 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -433,6 +433,7 @@ static void acp_dma_start(void __iomem *acp_mmio, u16 ch_num, bool is_circular) case I2S_TO_ACP_DMA_CH_NUM: case ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM: case I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM: + case ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM: dma_ctrl |= ACP_DMA_CNTL_0__DMAChIOCEn_MASK; break; default: @@ -710,6 +711,13 @@ static irqreturn_t dma_irq_handler(int irq, void *arg) acp_mmio, mmACP_EXTERNAL_INTR_STAT); }
+ if ((intr_flag & BIT(ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM)) != 0) { + valid_irq = true; + snd_pcm_period_elapsed(irq_data->play_i2s_micsp_stream); + acp_reg_write((intr_flag & BIT(ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM)) << 16, + acp_mmio, mmACP_EXTERNAL_INTR_STAT); + } + if ((intr_flag & BIT(ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM)) != 0) { valid_irq = true; snd_pcm_period_elapsed(irq_data->play_i2sbt_stream); @@ -807,7 +815,8 @@ static int acp_dma_open(struct snd_soc_component *component, * stream is not closed */ if (!intr_data->play_i2ssp_stream && !intr_data->capture_i2ssp_stream && - !intr_data->play_i2sbt_stream && !intr_data->capture_i2sbt_stream) + !intr_data->play_i2sbt_stream && !intr_data->capture_i2sbt_stream && + !intr_data->play_i2s_micsp_stream) acp_reg_write(1, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { @@ -867,6 +876,9 @@ static int acp_dma_hw_params(struct snd_soc_component *component, case I2S_BT_INSTANCE: val |= ACP_I2S_BT_16BIT_RESOLUTION_EN; break; + case I2S_MICSP_INSTANCE: + val |= ACP_I2S_MICSP_16BIT_RESOLUTION_EN; + break; case I2S_SP_INSTANCE: default: val |= ACP_I2S_SP_16BIT_RESOLUTION_EN; @@ -876,6 +888,7 @@ static int acp_dma_hw_params(struct snd_soc_component *component, case I2S_BT_INSTANCE: val |= ACP_I2S_BT_16BIT_RESOLUTION_EN; break; + case I2S_MICSP_INSTANCE: case I2S_SP_INSTANCE: default: val |= ACP_I2S_MIC_16BIT_RESOLUTION_EN; @@ -901,6 +914,27 @@ static int acp_dma_hw_params(struct snd_soc_component *component, mmACP_I2S_BT_TRANSMIT_BYTE_CNT_LOW; adata->play_i2sbt_stream = substream; break; + case I2S_MICSP_INSTANCE: + switch (adata->asic_type) { + case CHIP_STONEY: + rtd->pte_offset = ACP_ST_PLAYBACK_PTE_OFFSET; + break; + default: + rtd->pte_offset = ACP_PLAYBACK_PTE_OFFSET; + } + rtd->ch1 = SYSRAM_TO_ACP_MICSP_INSTANCE_CH_NUM; + rtd->ch2 = ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM; + rtd->sram_bank = ACP_SRAM_BANK_1_ADDRESS; + rtd->destination = TO_ACP_I2S_2; + rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH4; + rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH5; + rtd->byte_cnt_high_reg_offset = + mmACP_I2S_MICSP_TRANSMIT_BYTE_CNT_HIGH; + rtd->byte_cnt_low_reg_offset = + mmACP_I2S_MICSP_TRANSMIT_BYTE_CNT_LOW; + + adata->play_i2s_micsp_stream = substream; + break; case I2S_SP_INSTANCE: default: switch (adata->asic_type) { @@ -939,6 +973,7 @@ static int acp_dma_hw_params(struct snd_soc_component *component, rtd->dma_curr_dscr = mmACP_DMA_CUR_DSCR_11; adata->capture_i2sbt_stream = substream; break; + case I2S_MICSP_INSTANCE: case I2S_SP_INSTANCE: default: rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET; @@ -1160,6 +1195,9 @@ static int acp_dma_close(struct snd_soc_component *component, case I2S_BT_INSTANCE: adata->play_i2sbt_stream = NULL; break; + case I2S_MICSP_INSTANCE: + adata->play_i2s_micsp_stream = NULL; + break; case I2S_SP_INSTANCE: default: adata->play_i2ssp_stream = NULL; @@ -1181,6 +1219,7 @@ static int acp_dma_close(struct snd_soc_component *component, case I2S_BT_INSTANCE: adata->capture_i2sbt_stream = NULL; break; + case I2S_MICSP_INSTANCE: case I2S_SP_INSTANCE: default: adata->capture_i2ssp_stream = NULL; @@ -1197,7 +1236,8 @@ static int acp_dma_close(struct snd_soc_component *component, * another stream is also not active. */ if (!adata->play_i2ssp_stream && !adata->capture_i2ssp_stream && - !adata->play_i2sbt_stream && !adata->capture_i2sbt_stream) + !adata->play_i2sbt_stream && !adata->capture_i2sbt_stream && + !adata->play_i2s_micsp_stream) acp_reg_write(0, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB); kfree(rtd); return 0; @@ -1245,6 +1285,7 @@ static int acp_audio_probe(struct platform_device *pdev) audio_drv_data->capture_i2ssp_stream = NULL; audio_drv_data->play_i2sbt_stream = NULL; audio_drv_data->capture_i2sbt_stream = NULL; + audio_drv_data->play_i2s_micsp_stream = NULL;
audio_drv_data->asic_type = *pdata;
@@ -1333,6 +1374,11 @@ static int acp_pcm_resume(struct device *dev) config_acp_dma(adata->acp_mmio, rtd, adata->asic_type); } if (adata->asic_type != CHIP_CARRIZO) { + if (adata->play_i2s_micsp_stream && + adata->play_i2s_micsp_stream->runtime) { + rtd = adata->play_i2s_micsp_stream->runtime->private_data; + config_acp_dma(adata->acp_mmio, rtd, adata->asic_type); + } if (adata->play_i2sbt_stream && adata->play_i2sbt_stream->runtime) { rtd = adata->play_i2sbt_stream->runtime->private_data; diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h index db80a73aa593..b29bef90f886 100644 --- a/sound/soc/amd/acp.h +++ b/sound/soc/amd/acp.h @@ -55,6 +55,7 @@
#define I2S_SP_INSTANCE 0x01 #define I2S_BT_INSTANCE 0x02 +#define I2S_MICSP_INSTANCE 0x03 #define CAP_CHANNEL0 0x00 #define CAP_CHANNEL1 0x01
@@ -85,6 +86,10 @@ #define I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM 10 #define ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM 11
+/* Playback DMA channels for I2S MICSP instance */ +#define SYSRAM_TO_ACP_MICSP_INSTANCE_CH_NUM 4 +#define ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM 5 + #define NUM_DSCRS_PER_CHANNEL 2
#define PLAYBACK_START_DMA_DESCR_CH12 0 @@ -108,8 +113,15 @@ #define CAPTURE_START_DMA_DESCR_CH11 14 #define CAPTURE_END_DMA_DESCR_CH11 15
+/* I2S MICSP Instance DMA Descriptors */ +#define PLAYBACK_START_DMA_DESCR_CH4 0 +#define PLAYBACK_END_DMA_DESCR_CH4 1 +#define PLAYBACK_START_DMA_DESCR_CH5 2 +#define PLAYBACK_END_DMA_DESCR_CH5 3 + #define mmACP_I2S_16BIT_RESOLUTION_EN 0x5209 #define ACP_I2S_MIC_16BIT_RESOLUTION_EN 0x01 +#define ACP_I2S_MICSP_16BIT_RESOLUTION_EN 0x01 #define ACP_I2S_SP_16BIT_RESOLUTION_EN 0x02 #define ACP_I2S_BT_16BIT_RESOLUTION_EN 0x04 #define ACP_BT_UART_PAD_SELECT_MASK 0x1 @@ -149,6 +161,7 @@ struct audio_drv_data { struct snd_pcm_substream *capture_i2ssp_stream; struct snd_pcm_substream *play_i2sbt_stream; struct snd_pcm_substream *capture_i2sbt_stream; + struct snd_pcm_substream *play_i2s_micsp_stream; void __iomem *acp_mmio; u32 asic_type; snd_pcm_sframes_t delay;