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 I2S_MICSP_INSTANCE 0x03
59#define CAP_CHANNEL0 0x00
60#define CAP_CHANNEL1 0x01
61
62#define ACP_TILE_ON_MASK 0x03
63#define ACP_TILE_OFF_MASK 0x02
64#define ACP_TILE_ON_RETAIN_REG_MASK 0x1f
65#define ACP_TILE_OFF_RETAIN_REG_MASK 0x20
66
67#define ACP_TILE_P1_MASK 0x3e
68#define ACP_TILE_P2_MASK 0x3d
69#define ACP_TILE_DSP0_MASK 0x3b
70#define ACP_TILE_DSP1_MASK 0x37
71
72#define ACP_TILE_DSP2_MASK 0x2f
73/* Playback DMA channels */
74#define SYSRAM_TO_ACP_CH_NUM 12
75#define ACP_TO_I2S_DMA_CH_NUM 13
76
77/* Capture DMA channels */
78#define I2S_TO_ACP_DMA_CH_NUM 14
79#define ACP_TO_SYSRAM_CH_NUM 15
80
81/* Playback DMA Channels for I2S BT instance */
82#define SYSRAM_TO_ACP_BT_INSTANCE_CH_NUM 8
83#define ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM 9
84
85/* Capture DMA Channels for I2S BT Instance */
86#define I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM 10
87#define ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM 11
88
89/* Playback DMA channels for I2S MICSP instance */
90#define SYSRAM_TO_ACP_MICSP_INSTANCE_CH_NUM 4
91#define ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM 5
92
93#define NUM_DSCRS_PER_CHANNEL 2
94
95#define PLAYBACK_START_DMA_DESCR_CH12 0
96#define PLAYBACK_END_DMA_DESCR_CH12 1
97#define PLAYBACK_START_DMA_DESCR_CH13 2
98#define PLAYBACK_END_DMA_DESCR_CH13 3
99
100#define CAPTURE_START_DMA_DESCR_CH14 4
101#define CAPTURE_END_DMA_DESCR_CH14 5
102#define CAPTURE_START_DMA_DESCR_CH15 6
103#define CAPTURE_END_DMA_DESCR_CH15 7
104
105/* I2S BT Instance DMA Descriptors */
106#define PLAYBACK_START_DMA_DESCR_CH8 8
107#define PLAYBACK_END_DMA_DESCR_CH8 9
108#define PLAYBACK_START_DMA_DESCR_CH9 10
109#define PLAYBACK_END_DMA_DESCR_CH9 11
110
111#define CAPTURE_START_DMA_DESCR_CH10 12
112#define CAPTURE_END_DMA_DESCR_CH10 13
113#define CAPTURE_START_DMA_DESCR_CH11 14
114#define CAPTURE_END_DMA_DESCR_CH11 15
115
116/* I2S MICSP Instance DMA Descriptors */
117#define PLAYBACK_START_DMA_DESCR_CH4 0
118#define PLAYBACK_END_DMA_DESCR_CH4 1
119#define PLAYBACK_START_DMA_DESCR_CH5 2
120#define PLAYBACK_END_DMA_DESCR_CH5 3
121
122#define mmACP_I2S_16BIT_RESOLUTION_EN 0x5209
123#define ACP_I2S_MIC_16BIT_RESOLUTION_EN 0x01
124#define ACP_I2S_MICSP_16BIT_RESOLUTION_EN 0x01
125#define ACP_I2S_SP_16BIT_RESOLUTION_EN 0x02
126#define ACP_I2S_BT_16BIT_RESOLUTION_EN 0x04
127#define ACP_BT_UART_PAD_SELECT_MASK 0x1
128
129enum acp_dma_priority_level {
130 /* 0x0 Specifies the DMA channel is given normal priority */
131 ACP_DMA_PRIORITY_LEVEL_NORMAL = 0x0,
132 /* 0x1 Specifies the DMA channel is given high priority */
133 ACP_DMA_PRIORITY_LEVEL_HIGH = 0x1,
134 ACP_DMA_PRIORITY_LEVEL_FORCESIZE = 0xFF
135};
136
137struct audio_substream_data {
138 dma_addr_t dma_addr;
139 unsigned int order;
140 u16 num_of_pages;
141 u16 i2s_instance;
142 u16 capture_channel;
143 u16 direction;
144 u16 ch1;
145 u16 ch2;
146 u16 destination;
147 u16 dma_dscr_idx_1;
148 u16 dma_dscr_idx_2;
149 u32 pte_offset;
150 u32 sram_bank;
151 u32 byte_cnt_high_reg_offset;
152 u32 byte_cnt_low_reg_offset;
153 u32 dma_curr_dscr;
154 uint64_t size;
155 u64 bytescount;
156 void __iomem *acp_mmio;
157};
158
159struct audio_drv_data {
160 struct snd_pcm_substream *play_i2ssp_stream;
161 struct snd_pcm_substream *capture_i2ssp_stream;
162 struct snd_pcm_substream *play_i2sbt_stream;
163 struct snd_pcm_substream *capture_i2sbt_stream;
164 struct snd_pcm_substream *play_i2s_micsp_stream;
165 void __iomem *acp_mmio;
166 u32 asic_type;
167 snd_pcm_sframes_t delay;
168};
169
170/*
171 * this structure used for platform data transfer between machine driver
172 * and dma driver
173 */
174struct acp_platform_info {
175 u16 play_i2s_instance;
176 u16 cap_i2s_instance;
177 u16 capture_channel;
178};
179
180union acp_dma_count {
181 struct {
182 u32 low;
183 u32 high;
184 } bcount;
185 u64 bytescount;
186};
187
188enum {
189 ACP_TILE_P1 = 0,
190 ACP_TILE_P2,
191 ACP_TILE_DSP0,
192 ACP_TILE_DSP1,
193 ACP_TILE_DSP2,
194};
195
196enum {
197 ACP_DMA_ATTR_SHAREDMEM_TO_DAGB_ONION = 0x0,
198 ACP_DMA_ATTR_SHARED_MEM_TO_DAGB_GARLIC = 0x1,
199 ACP_DMA_ATTR_DAGB_ONION_TO_SHAREDMEM = 0x8,
200 ACP_DMA_ATTR_DAGB_GARLIC_TO_SHAREDMEM = 0x9,
201 ACP_DMA_ATTR_FORCE_SIZE = 0xF
202};
203
204typedef struct acp_dma_dscr_transfer {
205 /* Specifies the source memory location for the DMA data transfer. */
206 u32 src;
207 /*
208 * Specifies the destination memory location to where the data will
209 * be transferred.
210 */
211 u32 dest;
212 /*
213 * Specifies the number of bytes need to be transferred
214 * from source to destination memory.Transfer direction & IOC enable
215 */
216 u32 xfer_val;
217 /* Reserved for future use */
218 u32 reserved;
219} acp_dma_dscr_transfer_t;
220
221extern bool acp_bt_uart_enable;
222
223#endif /*__ACP_HW_H */
224

source code of linux/sound/soc/amd/acp.h