xref: /openbmc/linux/sound/soc/amd/acp.h (revision ba61bb17)
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 
59 #define ACP_TILE_ON_MASK                0x03
60 #define ACP_TILE_OFF_MASK               0x02
61 #define ACP_TILE_ON_RETAIN_REG_MASK     0x1f
62 #define ACP_TILE_OFF_RETAIN_REG_MASK    0x20
63 
64 #define ACP_TILE_P1_MASK                0x3e
65 #define ACP_TILE_P2_MASK                0x3d
66 #define ACP_TILE_DSP0_MASK              0x3b
67 #define ACP_TILE_DSP1_MASK              0x37
68 
69 #define ACP_TILE_DSP2_MASK              0x2f
70 /* Playback DMA channels */
71 #define SYSRAM_TO_ACP_CH_NUM 12
72 #define ACP_TO_I2S_DMA_CH_NUM 13
73 
74 /* Capture DMA channels */
75 #define ACP_TO_SYSRAM_CH_NUM 14
76 #define I2S_TO_ACP_DMA_CH_NUM 15
77 
78 /* Playback DMA Channels for I2S BT instance */
79 #define SYSRAM_TO_ACP_BT_INSTANCE_CH_NUM  8
80 #define ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM 9
81 
82 /* Capture DMA Channels for I2S BT Instance */
83 #define ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM 10
84 #define I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM 11
85 
86 #define NUM_DSCRS_PER_CHANNEL 2
87 
88 #define PLAYBACK_START_DMA_DESCR_CH12 0
89 #define PLAYBACK_END_DMA_DESCR_CH12 1
90 #define PLAYBACK_START_DMA_DESCR_CH13 2
91 #define PLAYBACK_END_DMA_DESCR_CH13 3
92 
93 #define CAPTURE_START_DMA_DESCR_CH14 4
94 #define CAPTURE_END_DMA_DESCR_CH14 5
95 #define CAPTURE_START_DMA_DESCR_CH15 6
96 #define CAPTURE_END_DMA_DESCR_CH15 7
97 
98 /* I2S BT Instance DMA Descriptors */
99 #define PLAYBACK_START_DMA_DESCR_CH8 8
100 #define PLAYBACK_END_DMA_DESCR_CH8 9
101 #define PLAYBACK_START_DMA_DESCR_CH9 10
102 #define PLAYBACK_END_DMA_DESCR_CH9 11
103 
104 #define CAPTURE_START_DMA_DESCR_CH10 12
105 #define CAPTURE_END_DMA_DESCR_CH10 13
106 #define CAPTURE_START_DMA_DESCR_CH11 14
107 #define CAPTURE_END_DMA_DESCR_CH11 15
108 
109 #define mmACP_I2S_16BIT_RESOLUTION_EN       0x5209
110 #define ACP_I2S_MIC_16BIT_RESOLUTION_EN 0x01
111 #define ACP_I2S_SP_16BIT_RESOLUTION_EN	0x02
112 #define ACP_I2S_BT_16BIT_RESOLUTION_EN	0x04
113 #define ACP_BT_UART_PAD_SELECT_MASK	0x1
114 
115 enum acp_dma_priority_level {
116 	/* 0x0 Specifies the DMA channel is given normal priority */
117 	ACP_DMA_PRIORITY_LEVEL_NORMAL = 0x0,
118 	/* 0x1 Specifies the DMA channel is given high priority */
119 	ACP_DMA_PRIORITY_LEVEL_HIGH = 0x1,
120 	ACP_DMA_PRIORITY_LEVEL_FORCESIZE = 0xFF
121 };
122 
123 struct audio_substream_data {
124 	struct page *pg;
125 	unsigned int order;
126 	u16 num_of_pages;
127 	u16 i2s_instance;
128 	u16 direction;
129 	u16 ch1;
130 	u16 ch2;
131 	u16 destination;
132 	u16 dma_dscr_idx_1;
133 	u16 dma_dscr_idx_2;
134 	u32 pte_offset;
135 	u32 sram_bank;
136 	u32 byte_cnt_high_reg_offset;
137 	u32 byte_cnt_low_reg_offset;
138 	uint64_t size;
139 	u64 bytescount;
140 	void __iomem *acp_mmio;
141 };
142 
143 struct audio_drv_data {
144 	struct snd_pcm_substream *play_i2ssp_stream;
145 	struct snd_pcm_substream *capture_i2ssp_stream;
146 	struct snd_pcm_substream *play_i2sbt_stream;
147 	struct snd_pcm_substream *capture_i2sbt_stream;
148 	void __iomem *acp_mmio;
149 	u32 asic_type;
150 };
151 
152 /*
153  * this structure used for platform data transfer between machine driver
154  * and dma driver
155  */
156 struct acp_platform_info {
157 	u16 i2s_instance;
158 };
159 
160 union acp_dma_count {
161 	struct {
162 	u32 low;
163 	u32 high;
164 	} bcount;
165 	u64 bytescount;
166 };
167 
168 enum {
169 	ACP_TILE_P1 = 0,
170 	ACP_TILE_P2,
171 	ACP_TILE_DSP0,
172 	ACP_TILE_DSP1,
173 	ACP_TILE_DSP2,
174 };
175 
176 enum {
177 	ACP_DMA_ATTR_SHAREDMEM_TO_DAGB_ONION = 0x0,
178 	ACP_DMA_ATTR_SHARED_MEM_TO_DAGB_GARLIC = 0x1,
179 	ACP_DMA_ATTR_DAGB_ONION_TO_SHAREDMEM = 0x8,
180 	ACP_DMA_ATTR_DAGB_GARLIC_TO_SHAREDMEM = 0x9,
181 	ACP_DMA_ATTR_FORCE_SIZE = 0xF
182 };
183 
184 typedef struct acp_dma_dscr_transfer {
185 	/* Specifies the source memory location for the DMA data transfer. */
186 	u32 src;
187 	/*
188 	 * Specifies the destination memory location to where the data will
189 	 * be transferred.
190 	 */
191 	u32 dest;
192 	/*
193 	 * Specifies the number of bytes need to be transferred
194 	 * from source to destination memory.Transfer direction & IOC enable
195 	 */
196 	u32 xfer_val;
197 	/* Reserved for future use */
198 	u32 reserved;
199 } acp_dma_dscr_transfer_t;
200 
201 #endif /*__ACP_HW_H */
202