cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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acp.h (5819B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ACP_HW_H
      3#define __ACP_HW_H
      4
      5#include "include/acp_2_2_d.h"
      6#include "include/acp_2_2_sh_mask.h"
      7
      8#define ACP_PAGE_SIZE_4K_ENABLE			0x02
      9
     10#define ACP_PLAYBACK_PTE_OFFSET			10
     11#define ACP_CAPTURE_PTE_OFFSET			0
     12
     13/* Playback and Capture Offset for Stoney */
     14#define ACP_ST_PLAYBACK_PTE_OFFSET	0x04
     15#define ACP_ST_CAPTURE_PTE_OFFSET	0x00
     16#define ACP_ST_BT_PLAYBACK_PTE_OFFSET	0x08
     17#define ACP_ST_BT_CAPTURE_PTE_OFFSET	0x0c
     18
     19#define ACP_GARLIC_CNTL_DEFAULT			0x00000FB4
     20#define ACP_ONION_CNTL_DEFAULT			0x00000FB4
     21
     22#define ACP_PHYSICAL_BASE			0x14000
     23
     24/*
     25 * In case of I2S SP controller instance, Stoney uses SRAM bank 1 for
     26 * playback and SRAM Bank 2 for capture where as in case of BT I2S
     27 * Instance, Stoney uses SRAM Bank 3 for playback & SRAM Bank 4 will
     28 * be used for capture. Carrizo uses I2S SP controller instance. SRAM Banks
     29 * 1, 2, 3, 4 will be used for playback & SRAM Banks 5, 6, 7, 8 will be used
     30 * for capture scenario.
     31 */
     32#define ACP_SRAM_BANK_1_ADDRESS		0x4002000
     33#define ACP_SRAM_BANK_2_ADDRESS		0x4004000
     34#define ACP_SRAM_BANK_3_ADDRESS		0x4006000
     35#define ACP_SRAM_BANK_4_ADDRESS		0x4008000
     36#define ACP_SRAM_BANK_5_ADDRESS		0x400A000
     37
     38#define ACP_DMA_RESET_TIME			10000
     39#define ACP_CLOCK_EN_TIME_OUT_VALUE		0x000000FF
     40#define ACP_SOFT_RESET_DONE_TIME_OUT_VALUE	0x000000FF
     41#define ACP_DMA_COMPLETE_TIME_OUT_VALUE		0x000000FF
     42
     43#define ACP_SRAM_BASE_ADDRESS			0x4000000
     44#define ACP_DAGB_GRP_SRAM_BASE_ADDRESS		0x4001000
     45#define ACP_DAGB_GRP_SRBM_SRAM_BASE_OFFSET	0x1000
     46#define ACP_INTERNAL_APERTURE_WINDOW_0_ADDRESS	0x00000000
     47#define ACP_INTERNAL_APERTURE_WINDOW_4_ADDRESS	0x01800000
     48
     49#define TO_ACP_I2S_1   0x2
     50#define TO_ACP_I2S_2   0x4
     51#define TO_BLUETOOTH   0x3
     52#define FROM_ACP_I2S_1 0xa
     53#define FROM_ACP_I2S_2 0xb
     54#define FROM_BLUETOOTH 0xb
     55
     56#define I2S_SP_INSTANCE                 0x01
     57#define I2S_BT_INSTANCE                 0x02
     58#define CAP_CHANNEL0			0x00
     59#define CAP_CHANNEL1			0x01
     60
     61#define ACP_TILE_ON_MASK                0x03
     62#define ACP_TILE_OFF_MASK               0x02
     63#define ACP_TILE_ON_RETAIN_REG_MASK     0x1f
     64#define ACP_TILE_OFF_RETAIN_REG_MASK    0x20
     65
     66#define ACP_TILE_P1_MASK                0x3e
     67#define ACP_TILE_P2_MASK                0x3d
     68#define ACP_TILE_DSP0_MASK              0x3b
     69#define ACP_TILE_DSP1_MASK              0x37
     70
     71#define ACP_TILE_DSP2_MASK              0x2f
     72/* Playback DMA channels */
     73#define SYSRAM_TO_ACP_CH_NUM 12
     74#define ACP_TO_I2S_DMA_CH_NUM 13
     75
     76/* Capture DMA channels */
     77#define I2S_TO_ACP_DMA_CH_NUM 14
     78#define ACP_TO_SYSRAM_CH_NUM 15
     79
     80/* Playback DMA Channels for I2S BT instance */
     81#define SYSRAM_TO_ACP_BT_INSTANCE_CH_NUM  8
     82#define ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM 9
     83
     84/* Capture DMA Channels for I2S BT Instance */
     85#define I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM 10
     86#define ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM 11
     87
     88#define NUM_DSCRS_PER_CHANNEL 2
     89
     90#define PLAYBACK_START_DMA_DESCR_CH12 0
     91#define PLAYBACK_END_DMA_DESCR_CH12 1
     92#define PLAYBACK_START_DMA_DESCR_CH13 2
     93#define PLAYBACK_END_DMA_DESCR_CH13 3
     94
     95#define CAPTURE_START_DMA_DESCR_CH14 4
     96#define CAPTURE_END_DMA_DESCR_CH14 5
     97#define CAPTURE_START_DMA_DESCR_CH15 6
     98#define CAPTURE_END_DMA_DESCR_CH15 7
     99
    100/* I2S BT Instance DMA Descriptors */
    101#define PLAYBACK_START_DMA_DESCR_CH8 8
    102#define PLAYBACK_END_DMA_DESCR_CH8 9
    103#define PLAYBACK_START_DMA_DESCR_CH9 10
    104#define PLAYBACK_END_DMA_DESCR_CH9 11
    105
    106#define CAPTURE_START_DMA_DESCR_CH10 12
    107#define CAPTURE_END_DMA_DESCR_CH10 13
    108#define CAPTURE_START_DMA_DESCR_CH11 14
    109#define CAPTURE_END_DMA_DESCR_CH11 15
    110
    111#define mmACP_I2S_16BIT_RESOLUTION_EN       0x5209
    112#define ACP_I2S_MIC_16BIT_RESOLUTION_EN 0x01
    113#define ACP_I2S_SP_16BIT_RESOLUTION_EN	0x02
    114#define ACP_I2S_BT_16BIT_RESOLUTION_EN	0x04
    115#define ACP_BT_UART_PAD_SELECT_MASK	0x1
    116
    117enum acp_dma_priority_level {
    118	/* 0x0 Specifies the DMA channel is given normal priority */
    119	ACP_DMA_PRIORITY_LEVEL_NORMAL = 0x0,
    120	/* 0x1 Specifies the DMA channel is given high priority */
    121	ACP_DMA_PRIORITY_LEVEL_HIGH = 0x1,
    122	ACP_DMA_PRIORITY_LEVEL_FORCESIZE = 0xFF
    123};
    124
    125struct audio_substream_data {
    126	dma_addr_t dma_addr;
    127	unsigned int order;
    128	u16 num_of_pages;
    129	u16 i2s_instance;
    130	u16 capture_channel;
    131	u16 direction;
    132	u16 ch1;
    133	u16 ch2;
    134	u16 destination;
    135	u16 dma_dscr_idx_1;
    136	u16 dma_dscr_idx_2;
    137	u32 pte_offset;
    138	u32 sram_bank;
    139	u32 byte_cnt_high_reg_offset;
    140	u32 byte_cnt_low_reg_offset;
    141	u32 dma_curr_dscr;
    142	uint64_t size;
    143	u64 bytescount;
    144	void __iomem *acp_mmio;
    145};
    146
    147struct audio_drv_data {
    148	struct snd_pcm_substream *play_i2ssp_stream;
    149	struct snd_pcm_substream *capture_i2ssp_stream;
    150	struct snd_pcm_substream *play_i2sbt_stream;
    151	struct snd_pcm_substream *capture_i2sbt_stream;
    152	void __iomem *acp_mmio;
    153	u32 asic_type;
    154	snd_pcm_sframes_t delay;
    155};
    156
    157/*
    158 * this structure used for platform data transfer between machine driver
    159 * and dma driver
    160 */
    161struct acp_platform_info {
    162	u16 play_i2s_instance;
    163	u16 cap_i2s_instance;
    164	u16 capture_channel;
    165};
    166
    167union acp_dma_count {
    168	struct {
    169	u32 low;
    170	u32 high;
    171	} bcount;
    172	u64 bytescount;
    173};
    174
    175enum {
    176	ACP_TILE_P1 = 0,
    177	ACP_TILE_P2,
    178	ACP_TILE_DSP0,
    179	ACP_TILE_DSP1,
    180	ACP_TILE_DSP2,
    181};
    182
    183enum {
    184	ACP_DMA_ATTR_SHAREDMEM_TO_DAGB_ONION = 0x0,
    185	ACP_DMA_ATTR_SHARED_MEM_TO_DAGB_GARLIC = 0x1,
    186	ACP_DMA_ATTR_DAGB_ONION_TO_SHAREDMEM = 0x8,
    187	ACP_DMA_ATTR_DAGB_GARLIC_TO_SHAREDMEM = 0x9,
    188	ACP_DMA_ATTR_FORCE_SIZE = 0xF
    189};
    190
    191typedef struct acp_dma_dscr_transfer {
    192	/* Specifies the source memory location for the DMA data transfer. */
    193	u32 src;
    194	/*
    195	 * Specifies the destination memory location to where the data will
    196	 * be transferred.
    197	 */
    198	u32 dest;
    199	/*
    200	 * Specifies the number of bytes need to be transferred
    201	 * from source to destination memory.Transfer direction & IOC enable
    202	 */
    203	u32 xfer_val;
    204	/* Reserved for future use */
    205	u32 reserved;
    206} acp_dma_dscr_transfer_t;
    207
    208extern bool acp_bt_uart_enable;
    209
    210#endif /*__ACP_HW_H */