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ASoC: amd: sram bank update changes

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Added sram bank variable to audio_substream_data structure.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mukunda, Vijendar 2018-05-08 10:17:48 +05:30 committed by Mark Brown
parent e188c525b9
commit 18e8a40dd3
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 19 additions and 21 deletions
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20
sound/soc/amd/acp-pcm-dma.c
View File

@ -320,29 +320,16 @@ static void config_acp_dma(void __iomem *acp_mmio,
struct audio_substream_data *rtd,
u32 asic_type)
{
u32 sram_bank;
if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK)
sram_bank = ACP_SHARED_RAM_BANK_1_ADDRESS;
else {
switch (asic_type) {
case CHIP_STONEY:
sram_bank = ACP_SHARED_RAM_BANK_3_ADDRESS;
break;
default:
sram_bank = ACP_SHARED_RAM_BANK_5_ADDRESS;
}
}
acp_pte_config(acp_mmio, rtd->pg, rtd->num_of_pages,
rtd->pte_offset);
/* Configure System memory <-> ACP SRAM DMA descriptors */
set_acp_sysmem_dma_descriptors(acp_mmio, rtd->size,
rtd->direction, rtd->pte_offset,
rtd->ch1, sram_bank,
rtd->ch1, 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, sram_bank,
rtd->direction, rtd->sram_bank,
rtd->destination, rtd->ch2,
rtd->dma_dscr_idx_2, asic_type);
}
@ -795,6 +782,7 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
}
rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
rtd->sram_bank = ACP_SRAM_BANK_1_ADDRESS;
rtd->destination = TO_ACP_I2S_1;
rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH12;
rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH13;
@ -805,9 +793,11 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
switch (adata->asic_type) {
case CHIP_STONEY:
rtd->pte_offset = ACP_ST_CAPTURE_PTE_OFFSET;
rtd->sram_bank = ACP_SRAM_BANK_2_ADDRESS;
break;
default:
rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
rtd->sram_bank = ACP_SRAM_BANK_5_ADDRESS;
}
rtd->ch1 = ACP_TO_SYSRAM_CH_NUM;
rtd->ch2 = I2S_TO_ACP_DMA_CH_NUM;

20
sound/soc/amd/acp.h
View File

@ -19,12 +19,19 @@
#define ACP_PHYSICAL_BASE 0x14000
/* Playback SRAM address (as a destination in dma descriptor) */
#define ACP_SHARED_RAM_BANK_1_ADDRESS 0x4002000
/* Capture SRAM address (as a source in dma descriptor) */
#define ACP_SHARED_RAM_BANK_5_ADDRESS 0x400A000
#define ACP_SHARED_RAM_BANK_3_ADDRESS 0x4006000
/*
* In case of I2S SP controller instance, Stoney uses SRAM bank 1 for
* playback and SRAM Bank 2 for capture where as in case of BT I2S
* Instance, Stoney uses SRAM Bank 3 for playback & SRAM Bank 4 will
* be used for capture. Carrizo uses I2S SP controller instance. SRAM Banks
* 1, 2, 3, 4 will be used for playback & SRAM Banks 5, 6, 7, 8 will be used
* for capture scenario.
*/
#define ACP_SRAM_BANK_1_ADDRESS 0x4002000
#define ACP_SRAM_BANK_2_ADDRESS 0x4004000
#define ACP_SRAM_BANK_3_ADDRESS 0x4006000
#define ACP_SRAM_BANK_4_ADDRESS 0x4008000
#define ACP_SRAM_BANK_5_ADDRESS 0x400A000
#define ACP_DMA_RESET_TIME 10000
#define ACP_CLOCK_EN_TIME_OUT_VALUE 0x000000FF
@ -95,6 +102,7 @@ struct audio_substream_data {
u16 dma_dscr_idx_1;
u16 dma_dscr_idx_2;
u32 pte_offset;
u32 sram_bank;
u32 byte_cnt_high_reg_offset;
u32 byte_cnt_low_reg_offset;
uint64_t size;