diff mbox

[05/11] ASoC: amd: pte offset related dma driver changes

Message ID 1524741374-13523-5-git-send-email-Vijendar.Mukunda@amd.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vijendar Mukunda April 26, 2018, 11:15 a.m. UTC
Added pte offset variable in audio_substream_data structure.
Added Stoney related PTE offset macros in acp header file.
Modified hw_params callback to assign the pte offset value
based on asic_type.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
 sound/soc/amd/acp-pcm-dma.c | 26 +++++++++++++++++++-------
 sound/soc/amd/acp.h         |  5 +++++
 2 files changed, 24 insertions(+), 7 deletions(-)

Comments

Daniel Kurtz April 29, 2018, 9:48 p.m. UTC | #1
On Thu, Apr 26, 2018 at 5:16 AM Vijendar Mukunda <Vijendar.Mukunda@amd.com>
wrote:

> Added pte offset variable in audio_substream_data structure.
> Added Stoney related PTE offset macros in acp header file.
> Modified hw_params callback to assign the pte offset value
> based on asic_type.

> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
> ---
>   sound/soc/amd/acp-pcm-dma.c | 26 +++++++++++++++++++-------
>   sound/soc/amd/acp.h         |  5 +++++
>   2 files changed, 24 insertions(+), 7 deletions(-)

> diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
> index 5f34be1..cb22653 100644
> --- a/sound/soc/amd/acp-pcm-dma.c
> +++ b/sound/soc/amd/acp-pcm-dma.c
> @@ -320,13 +320,11 @@ static void config_acp_dma(void __iomem *acp_mmio,
>                             struct audio_substream_data *rtd,
>                             u32 asic_type)
>   {
> -       u32 pte_offset, sram_bank;
> +       u32 sram_bank;

> -       if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
> -               pte_offset = ACP_PLAYBACK_PTE_OFFSET;
> +       if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK)
>                  sram_bank = ACP_SHARED_RAM_BANK_1_ADDRESS;
> -       } else {
> -               pte_offset = ACP_CAPTURE_PTE_OFFSET;
> +       else {
>                  switch (asic_type) {
>                  case CHIP_STONEY:
>                          sram_bank = ACP_SHARED_RAM_BANK_3_ADDRESS;
> @@ -336,10 +334,10 @@ static void config_acp_dma(void __iomem *acp_mmio,
>                  }
>          }
>          acp_pte_config(acp_mmio, rtd->pg, rtd->num_of_pages,
> -                      pte_offset);
> +                      rtd->pte_offset);
>          /* Configure System memory <-> ACP SRAM DMA descriptors */
>          set_acp_sysmem_dma_descriptors(acp_mmio, rtd->size,
> -                                      rtd->direction, pte_offset,
> +                                      rtd->direction, rtd->pte_offset,
>                                         rtd->ch1, sram_bank,
>                                         rtd->dma_dscr_idx_1, asic_type);
>          /* Configure ACP SRAM <-> I2S DMA descriptors */
> @@ -788,6 +786,13 @@ static int acp_dma_hw_params(struct
snd_pcm_substream *substream,
>          }

>          if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
> +               switch (adata->asic_type) {
> +               case CHIP_STONEY:
> +                       rtd->pte_offset = ACP_ST_PLAYBACK_PTE_OFFSET;
> +                       break;
> +               default:
> +                       rtd->pte_offset = ACP_PLAYBACK_PTE_OFFSET;
> +               }

As in patch 2, I believe this would be better done in acp_dma_open().

Why does Stoney use a different PTE_OFFSET?  Please answer this question in
the commit message.

-Dan

>                  rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
>                  rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
>                  rtd->destination = TO_ACP_I2S_1;
> @@ -797,6 +802,13 @@ static int acp_dma_hw_params(struct
snd_pcm_substream *substream,
>                  mmACP_I2S_TRANSMIT_BYTE_CNT_HIGH;
>                  rtd->byte_cnt_low_reg_offset =
mmACP_I2S_TRANSMIT_BYTE_CNT_LOW;
>          } else {
> +               switch (adata->asic_type) {
> +               case CHIP_STONEY:
> +                       rtd->pte_offset = ACP_ST_CAPTURE_PTE_OFFSET;
> +                       break;
> +               default:
> +                       rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
> +               }
>                  rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
>                  rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
>                  rtd->destination = FROM_ACP_I2S_1;
> diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
> index 82470bc..2f48d1d 100644
> --- a/sound/soc/amd/acp.h
> +++ b/sound/soc/amd/acp.h
> @@ -10,6 +10,10 @@
>   #define ACP_PLAYBACK_PTE_OFFSET                        10
>   #define ACP_CAPTURE_PTE_OFFSET                 0

> +/* Playback and Capture Offset for Stoney */
> +#define ACP_ST_PLAYBACK_PTE_OFFSET     0x04
> +#define ACP_ST_CAPTURE_PTE_OFFSET      0x00
> +
>   #define ACP_GARLIC_CNTL_DEFAULT                        0x00000FB4
>   #define ACP_ONION_CNTL_DEFAULT                 0x00000FB4

> @@ -90,6 +94,7 @@ struct audio_substream_data {
>          u16 destination;
>          u16 dma_dscr_idx_1;
>          u16 dma_dscr_idx_2;
> +       u32 pte_offset;
>          u32 byte_cnt_high_reg_offset;
>          u32 byte_cnt_low_reg_offset;
>          uint64_t size;
> --
> 2.7.4
Vijendar Mukunda April 30, 2018, 8:19 a.m. UTC | #2
On Monday 30 April 2018 03:18 AM, Daniel Kurtz wrote:
> On Thu, Apr 26, 2018 at 5:16 AM Vijendar Mukunda <Vijendar.Mukunda@amd.com>
> wrote:
> 
>> Added pte offset variable in audio_substream_data structure.
>> Added Stoney related PTE offset macros in acp header file.
>> Modified hw_params callback to assign the pte offset value
>> based on asic_type.
> 
>> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
>> ---
>>    sound/soc/amd/acp-pcm-dma.c | 26 +++++++++++++++++++-------
>>    sound/soc/amd/acp.h         |  5 +++++
>>    2 files changed, 24 insertions(+), 7 deletions(-)
> 
>> diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
>> index 5f34be1..cb22653 100644
>> --- a/sound/soc/amd/acp-pcm-dma.c
>> +++ b/sound/soc/amd/acp-pcm-dma.c
>> @@ -320,13 +320,11 @@ static void config_acp_dma(void __iomem *acp_mmio,
>>                              struct audio_substream_data *rtd,
>>                              u32 asic_type)
>>    {
>> -       u32 pte_offset, sram_bank;
>> +       u32 sram_bank;
> 
>> -       if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
>> -               pte_offset = ACP_PLAYBACK_PTE_OFFSET;
>> +       if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK)
>>                   sram_bank = ACP_SHARED_RAM_BANK_1_ADDRESS;
>> -       } else {
>> -               pte_offset = ACP_CAPTURE_PTE_OFFSET;
>> +       else {
>>                   switch (asic_type) {
>>                   case CHIP_STONEY:
>>                           sram_bank = ACP_SHARED_RAM_BANK_3_ADDRESS;
>> @@ -336,10 +334,10 @@ static void config_acp_dma(void __iomem *acp_mmio,
>>                   }
>>           }
>>           acp_pte_config(acp_mmio, rtd->pg, rtd->num_of_pages,
>> -                      pte_offset);
>> +                      rtd->pte_offset);
>>           /* Configure System memory <-> ACP SRAM DMA descriptors */
>>           set_acp_sysmem_dma_descriptors(acp_mmio, rtd->size,
>> -                                      rtd->direction, pte_offset,
>> +                                      rtd->direction, rtd->pte_offset,
>>                                          rtd->ch1, sram_bank,
>>                                          rtd->dma_dscr_idx_1, asic_type);
>>           /* Configure ACP SRAM <-> I2S DMA descriptors */
>> @@ -788,6 +786,13 @@ static int acp_dma_hw_params(struct
> snd_pcm_substream *substream,
>>           }
> 
>>           if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
>> +               switch (adata->asic_type) {
>> +               case CHIP_STONEY:
>> +                       rtd->pte_offset = ACP_ST_PLAYBACK_PTE_OFFSET;
>> +                       break;
>> +               default:
>> +                       rtd->pte_offset = ACP_PLAYBACK_PTE_OFFSET;
>> +               }
> 
> As in patch 2, I believe this would be better done in acp_dma_open().
> 
> Why does Stoney use a different PTE_OFFSET?  Please answer this question in
> the commit message.
> 
> -Dan


We will modify commit message and post the fresh patch.

-Vijendar
> 
>>                   rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
>>                   rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
>>                   rtd->destination = TO_ACP_I2S_1;
>> @@ -797,6 +802,13 @@ static int acp_dma_hw_params(struct
> snd_pcm_substream *substream,
>>                   mmACP_I2S_TRANSMIT_BYTE_CNT_HIGH;
>>                   rtd->byte_cnt_low_reg_offset =
> mmACP_I2S_TRANSMIT_BYTE_CNT_LOW;
>>           } else {
>> +               switch (adata->asic_type) {
>> +               case CHIP_STONEY:
>> +                       rtd->pte_offset = ACP_ST_CAPTURE_PTE_OFFSET;
>> +                       break;
>> +               default:
>> +                       rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
>> +               }
>>                   rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
>>                   rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
>>                   rtd->destination = FROM_ACP_I2S_1;
>> diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
>> index 82470bc..2f48d1d 100644
>> --- a/sound/soc/amd/acp.h
>> +++ b/sound/soc/amd/acp.h
>> @@ -10,6 +10,10 @@
>>    #define ACP_PLAYBACK_PTE_OFFSET                        10
>>    #define ACP_CAPTURE_PTE_OFFSET                 0
> 
>> +/* Playback and Capture Offset for Stoney */
>> +#define ACP_ST_PLAYBACK_PTE_OFFSET     0x04
>> +#define ACP_ST_CAPTURE_PTE_OFFSET      0x00
>> +
>>    #define ACP_GARLIC_CNTL_DEFAULT                        0x00000FB4
>>    #define ACP_ONION_CNTL_DEFAULT                 0x00000FB4
> 
>> @@ -90,6 +94,7 @@ struct audio_substream_data {
>>           u16 destination;
>>           u16 dma_dscr_idx_1;
>>           u16 dma_dscr_idx_2;
>> +       u32 pte_offset;
>>           u32 byte_cnt_high_reg_offset;
>>           u32 byte_cnt_low_reg_offset;
>>           uint64_t size;
>> --
>> 2.7.4
diff mbox

Patch

diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 5f34be1..cb22653 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -320,13 +320,11 @@  static void config_acp_dma(void __iomem *acp_mmio,
 			   struct audio_substream_data *rtd,
 			   u32 asic_type)
 {
-	u32 pte_offset, sram_bank;
+	u32 sram_bank;
 
-	if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK) {
-		pte_offset = ACP_PLAYBACK_PTE_OFFSET;
+	if (rtd->direction == SNDRV_PCM_STREAM_PLAYBACK)
 		sram_bank = ACP_SHARED_RAM_BANK_1_ADDRESS;
-	} else {
-		pte_offset = ACP_CAPTURE_PTE_OFFSET;
+	else {
 		switch (asic_type) {
 		case CHIP_STONEY:
 			sram_bank = ACP_SHARED_RAM_BANK_3_ADDRESS;
@@ -336,10 +334,10 @@  static void config_acp_dma(void __iomem *acp_mmio,
 		}
 	}
 	acp_pte_config(acp_mmio, rtd->pg, rtd->num_of_pages,
-		       pte_offset);
+		       rtd->pte_offset);
 	/* Configure System memory <-> ACP SRAM DMA descriptors */
 	set_acp_sysmem_dma_descriptors(acp_mmio, rtd->size,
-				       rtd->direction, pte_offset,
+				       rtd->direction, rtd->pte_offset,
 				       rtd->ch1, sram_bank,
 				       rtd->dma_dscr_idx_1, asic_type);
 	/* Configure ACP SRAM <-> I2S DMA descriptors */
@@ -788,6 +786,13 @@  static int acp_dma_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		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_CH_NUM;
 		rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
 		rtd->destination = TO_ACP_I2S_1;
@@ -797,6 +802,13 @@  static int acp_dma_hw_params(struct snd_pcm_substream *substream,
 		mmACP_I2S_TRANSMIT_BYTE_CNT_HIGH;
 		rtd->byte_cnt_low_reg_offset = mmACP_I2S_TRANSMIT_BYTE_CNT_LOW;
 	} else {
+		switch (adata->asic_type) {
+		case CHIP_STONEY:
+			rtd->pte_offset = ACP_ST_CAPTURE_PTE_OFFSET;
+			break;
+		default:
+			rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
+		}
 		rtd->ch1 = SYSRAM_TO_ACP_CH_NUM;
 		rtd->ch2 = ACP_TO_I2S_DMA_CH_NUM;
 		rtd->destination = FROM_ACP_I2S_1;
diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
index 82470bc..2f48d1d 100644
--- a/sound/soc/amd/acp.h
+++ b/sound/soc/amd/acp.h
@@ -10,6 +10,10 @@ 
 #define ACP_PLAYBACK_PTE_OFFSET			10
 #define ACP_CAPTURE_PTE_OFFSET			0
 
+/* Playback and Capture Offset for Stoney */
+#define ACP_ST_PLAYBACK_PTE_OFFSET	0x04
+#define ACP_ST_CAPTURE_PTE_OFFSET	0x00
+
 #define ACP_GARLIC_CNTL_DEFAULT			0x00000FB4
 #define ACP_ONION_CNTL_DEFAULT			0x00000FB4
 
@@ -90,6 +94,7 @@  struct audio_substream_data {
 	u16 destination;
 	u16 dma_dscr_idx_1;
 	u16 dma_dscr_idx_2;
+	u32 pte_offset;
 	u32 byte_cnt_high_reg_offset;
 	u32 byte_cnt_low_reg_offset;
 	uint64_t size;