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ASoC: amd: dma driver changes for bt i2s instance

Telusuri Sumber 
With in ACP, There are three I2S controllers can be
configured/enabled ( I2S SP, I2S MICSP, I2S BT).
Default enabled I2S controller instance is I2S SP.
This patch provides required changes to support I2S BT
controller Instance.

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 10:17:53 +05:30
committed by Mark Brown
orang tua 839a12c799
melakukan ccfbb4f572
3 mengubah file dengan 263 tambahan dan 57 penghapusan
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40
sound/soc/amd/acp.h
Melihat File

@@ -13,6 +13,8 @@
/* Playback and Capture Offset for Stoney */
#define ACP_ST_PLAYBACK_PTE_OFFSET 0x04
#define ACP_ST_CAPTURE_PTE_OFFSET 0x00
#define ACP_ST_BT_PLAYBACK_PTE_OFFSET 0x08
#define ACP_ST_BT_CAPTURE_PTE_OFFSET 0x0c
#define ACP_GARLIC_CNTL_DEFAULT 0x00000FB4
#define ACP_ONION_CNTL_DEFAULT 0x00000FB4
@@ -46,8 +48,13 @@
#define TO_ACP_I2S_1 0x2
#define TO_ACP_I2S_2 0x4
#define TO_BLUETOOTH 0x3
#define FROM_ACP_I2S_1 0xa
#define FROM_ACP_I2S_2 0xb
#define FROM_BLUETOOTH 0xb
#define I2S_SP_INSTANCE 0x01
#define I2S_BT_INSTANCE 0x02
#define ACP_TILE_ON_MASK 0x03
#define ACP_TILE_OFF_MASK 0x02
@@ -68,6 +75,14 @@
#define ACP_TO_SYSRAM_CH_NUM 14
#define I2S_TO_ACP_DMA_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 NUM_DSCRS_PER_CHANNEL 2
#define PLAYBACK_START_DMA_DESCR_CH12 0
@@ -80,9 +95,23 @@
#define CAPTURE_START_DMA_DESCR_CH15 6
#define CAPTURE_END_DMA_DESCR_CH15 7
/* I2S BT Instance DMA Descriptors */
#define PLAYBACK_START_DMA_DESCR_CH8 8
#define PLAYBACK_END_DMA_DESCR_CH8 9
#define PLAYBACK_START_DMA_DESCR_CH9 10
#define PLAYBACK_END_DMA_DESCR_CH9 11
#define CAPTURE_START_DMA_DESCR_CH10 12
#define CAPTURE_END_DMA_DESCR_CH10 13
#define CAPTURE_START_DMA_DESCR_CH11 14
#define CAPTURE_END_DMA_DESCR_CH11 15
#define mmACP_I2S_16BIT_RESOLUTION_EN 0x5209
#define ACP_I2S_MIC_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
enum acp_dma_priority_level {
/* 0x0 Specifies the DMA channel is given normal priority */
ACP_DMA_PRIORITY_LEVEL_NORMAL = 0x0,
@@ -95,6 +124,7 @@ struct audio_substream_data {
struct page *pg;
unsigned int order;
u16 num_of_pages;
u16 i2s_instance;
u16 direction;
u16 ch1;
u16 ch2;
@@ -113,10 +143,20 @@ struct audio_substream_data {
struct audio_drv_data {
struct snd_pcm_substream *play_i2ssp_stream;
struct snd_pcm_substream *capture_i2ssp_stream;
struct snd_pcm_substream *play_i2sbt_stream;
struct snd_pcm_substream *capture_i2sbt_stream;
void __iomem *acp_mmio;
u32 asic_type;
};
/*
* this structure used for platform data transfer between machine driver
* and dma driver
*/
struct acp_platform_info {
u16 i2s_instance;
};
union acp_dma_count {
struct {
u32 low;