linux/sound/soc/amd/acp.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ACP_HW_H
#define __ACP_HW_H

#include "include/acp_2_2_d.h"
#include "include/acp_2_2_sh_mask.h"

#define ACP_PAGE_SIZE_4K_ENABLE			0x02

#define ACP_PLAYBACK_PTE_OFFSET			10
#define ACP_CAPTURE_PTE_OFFSET			0

#define ACP_GARLIC_CNTL_DEFAULT			0x00000FB4
#define ACP_ONION_CNTL_DEFAULT			0x00000FB4

#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

#define ACP_DMA_RESET_TIME			10000
#define ACP_CLOCK_EN_TIME_OUT_VALUE		0x000000FF
#define ACP_SOFT_RESET_DONE_TIME_OUT_VALUE	0x000000FF
#define ACP_DMA_COMPLETE_TIME_OUT_VALUE		0x000000FF

#define ACP_SRAM_BASE_ADDRESS			0x4000000
#define ACP_DAGB_GRP_SRAM_BASE_ADDRESS		0x4001000
#define ACP_DAGB_GRP_SRBM_SRAM_BASE_OFFSET	0x1000
#define ACP_INTERNAL_APERTURE_WINDOW_0_ADDRESS	0x00000000
#define ACP_INTERNAL_APERTURE_WINDOW_4_ADDRESS	0x01800000

#define TO_ACP_I2S_1   0x2
#define TO_ACP_I2S_2   0x4
#define FROM_ACP_I2S_1 0xa
#define FROM_ACP_I2S_2 0xb

#define ACP_TILE_ON_MASK                0x03
#define ACP_TILE_OFF_MASK               0x02
#define ACP_TILE_ON_RETAIN_REG_MASK     0x1f
#define ACP_TILE_OFF_RETAIN_REG_MASK    0x20

#define ACP_TILE_P1_MASK                0x3e
#define ACP_TILE_P2_MASK                0x3d
#define ACP_TILE_DSP0_MASK              0x3b
#define ACP_TILE_DSP1_MASK              0x37

#define ACP_TILE_DSP2_MASK              0x2f
/* Playback DMA channels */
#define SYSRAM_TO_ACP_CH_NUM 12
#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 NUM_DSCRS_PER_CHANNEL 2

#define PLAYBACK_START_DMA_DESCR_CH12 0
#define PLAYBACK_END_DMA_DESCR_CH12 1
#define PLAYBACK_START_DMA_DESCR_CH13 2
#define PLAYBACK_END_DMA_DESCR_CH13 3

#define CAPTURE_START_DMA_DESCR_CH14 4
#define CAPTURE_END_DMA_DESCR_CH14 5
#define CAPTURE_START_DMA_DESCR_CH15 6
#define CAPTURE_END_DMA_DESCR_CH15 7

#define mmACP_I2S_16BIT_RESOLUTION_EN       0x5209
#define ACP_I2S_MIC_16BIT_RESOLUTION_EN 0x01
#define ACP_I2S_SP_16BIT_RESOLUTION_EN	0x02
enum acp_dma_priority_level {
	/* 0x0 Specifies the DMA channel is given normal priority */
	ACP_DMA_PRIORITY_LEVEL_NORMAL = 0x0,
	/* 0x1 Specifies the DMA channel is given high priority */
	ACP_DMA_PRIORITY_LEVEL_HIGH = 0x1,
	ACP_DMA_PRIORITY_LEVEL_FORCESIZE = 0xFF
};

struct audio_substream_data {
	struct page *pg;
	unsigned int order;
	u16 num_of_pages;
	u16 direction;
	uint64_t size;
	u64 i2ssp_renderbytescount;
	u64 i2ssp_capturebytescount;
	void __iomem *acp_mmio;
};

struct audio_drv_data {
	struct snd_pcm_substream *play_i2ssp_stream;
	struct snd_pcm_substream *capture_i2ssp_stream;
	void __iomem *acp_mmio;
	u32 asic_type;
};

union acp_dma_count {
	struct {
	u32 low;
	u32 high;
	} bcount;
	u64 bytescount;
};

enum {
	ACP_TILE_P1 = 0,
	ACP_TILE_P2,
	ACP_TILE_DSP0,
	ACP_TILE_DSP1,
	ACP_TILE_DSP2,
};

enum {
	ACP_DMA_ATTRIBUTES_SHAREDMEM_TO_DAGB_ONION = 0x0,
	ACP_DMA_ATTRIBUTES_SHARED_MEM_TO_DAGB_GARLIC = 0x1,
	ACP_DMA_ATTRIBUTES_DAGB_ONION_TO_SHAREDMEM = 0x8,
	ACP_DMA_ATTRIBUTES_DAGB_GARLIC_TO_SHAREDMEM = 0x9,
	ACP_DMA_ATTRIBUTES_FORCE_SIZE = 0xF
};

typedef struct acp_dma_dscr_transfer {
	/* Specifies the source memory location for the DMA data transfer. */
	u32 src;
	/* Specifies the destination memory location to where the data will
	 * be transferred.
	*/
	u32 dest;
	/* Specifies the number of bytes need to be transferred
	* from source to destination memory.Transfer direction & IOC enable
	*/
	u32 xfer_val;
	/* Reserved for future use */
	u32 reserved;
} acp_dma_dscr_transfer_t;

#endif /*__ACP_HW_H */