xref: /openbmc/linux/sound/soc/sof/amd/acp.h (revision 7419995a)
1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /*
3  * This file is provided under a dual BSD/GPLv2 license. When using or
4  * redistributing this file, you may do so under either license.
5  *
6  * Copyright(c) 2021 Advanced Micro Devices, Inc. All rights reserved.
7  *
8  * Author: Ajit Kumar Pandey <AjitKumar.Pandey@amd.com>
9  */
10 
11 #ifndef __SOF_AMD_ACP_H
12 #define __SOF_AMD_ACP_H
13 
14 #include "../sof-priv.h"
15 
16 #define ACP_MAX_STREAM	8
17 
18 #define ACP_DSP_BAR	0
19 
20 #define ACP_HW_SEM_RETRY_COUNT			10000
21 #define ACP_REG_POLL_INTERVAL                   500
22 #define ACP_REG_POLL_TIMEOUT_US                 2000
23 #define ACP_DMA_COMPLETE_TIMEOUT_US		5000
24 
25 #define ACP_PGFSM_CNTL_POWER_ON_MASK		0x01
26 #define ACP_PGFSM_STATUS_MASK			0x03
27 #define ACP_POWERED_ON				0x00
28 #define ACP_ASSERT_RESET			0x01
29 #define ACP_RELEASE_RESET			0x00
30 #define ACP_SOFT_RESET_DONE_MASK		0x00010001
31 
32 #define ACP_DSP_INTR_EN_MASK			0x00000001
33 #define ACP_SRAM_PTE_OFFSET			0x02050000
34 #define PAGE_SIZE_4K_ENABLE			0x2
35 #define ACP_PAGE_SIZE				0x1000
36 #define ACP_DMA_CH_RUN				0x02
37 #define ACP_MAX_DESC_CNT			0x02
38 #define DSP_FW_RUN_ENABLE			0x01
39 #define ACP_SHA_RUN				0x01
40 #define ACP_SHA_RESET				0x02
41 #define ACP_DMA_CH_RST				0x01
42 #define ACP_DMA_CH_GRACEFUL_RST_EN		0x10
43 #define ACP_ATU_CACHE_INVALID			0x01
44 #define ACP_MAX_DESC				128
45 #define ACPBUS_REG_BASE_OFFSET			ACP_DMA_CNTL_0
46 
47 #define ACP_DEFAULT_DRAM_LENGTH			0x00080000
48 #define ACP_SCRATCH_MEMORY_ADDRESS		0x02050000
49 #define ACP_SYSTEM_MEMORY_WINDOW		0x4000000
50 #define ACP_IRAM_BASE_ADDRESS			0x000000
51 #define ACP_DATA_RAM_BASE_ADDRESS		0x01000000
52 #define ACP_DRAM_PAGE_COUNT			128
53 
54 #define ACP_DSP_TO_HOST_IRQ			0x04
55 
56 #define HOST_BRIDGE_CZN				0x1630
57 #define ACP_SHA_STAT				0x8000
58 #define ACP_PSP_TIMEOUT_COUNTER			5
59 #define ACP_EXT_INTR_ERROR_STAT			0x20000000
60 #define MP0_C2PMSG_26_REG			0x03810570
61 #define MBOX_ACP_SHA_DMA_COMMAND		0x330000
62 #define MBOX_READY_MASK				0x80000000
63 #define MBOX_STATUS_MASK			0xFFFF
64 
65 struct  acp_atu_grp_pte {
66 	u32 low;
67 	u32 high;
68 };
69 
70 union dma_tx_cnt {
71 	struct {
72 		unsigned int count : 19;
73 		unsigned int reserved : 12;
74 		unsigned ioc : 1;
75 	} bitfields, bits;
76 	unsigned int u32_all;
77 	signed int i32_all;
78 };
79 
80 struct dma_descriptor {
81 	unsigned int src_addr;
82 	unsigned int dest_addr;
83 	union dma_tx_cnt tx_cnt;
84 	unsigned int reserved;
85 };
86 
87 /* Scratch memory structure for communication b/w host and dsp */
88 struct  scratch_ipc_conf {
89 	/* DSP mailbox */
90 	u8 sof_out_box[512];
91 	/* Host mailbox */
92 	u8 sof_in_box[512];
93 	/* Debug memory */
94 	u8 sof_debug_box[1024];
95 	/* Exception memory*/
96 	u8 sof_except_box[1024];
97 	/* Stream buffer */
98 	u8 sof_stream_box[1024];
99 	/* Trace buffer */
100 	u8 sof_trace_box[1024];
101 	/* Host msg flag */
102 	u32 sof_host_msg_write;
103 	/* Host ack flag*/
104 	u32 sof_host_ack_write;
105 	/* DSP msg flag */
106 	u32 sof_dsp_msg_write;
107 	/* Dsp ack flag */
108 	u32 sof_dsp_ack_write;
109 };
110 
111 struct  scratch_reg_conf {
112 	struct scratch_ipc_conf info;
113 	struct acp_atu_grp_pte grp1_pte[16];
114 	struct acp_atu_grp_pte grp2_pte[16];
115 	struct acp_atu_grp_pte grp3_pte[16];
116 	struct acp_atu_grp_pte grp4_pte[16];
117 	struct acp_atu_grp_pte grp5_pte[16];
118 	struct acp_atu_grp_pte grp6_pte[16];
119 	struct acp_atu_grp_pte grp7_pte[16];
120 	struct acp_atu_grp_pte grp8_pte[16];
121 	struct dma_descriptor dma_desc[64];
122 	unsigned int reg_offset[8];
123 	unsigned int buf_size[8];
124 	u8 acp_tx_fifo_buf[256];
125 	u8 acp_rx_fifo_buf[256];
126 	unsigned int    reserve[];
127 };
128 
129 struct acp_dsp_stream {
130 	struct list_head list;
131 	struct snd_sof_dev *sdev;
132 	struct snd_pcm_substream *substream;
133 	struct snd_dma_buffer *dmab;
134 	int num_pages;
135 	int stream_tag;
136 	int active;
137 	unsigned int reg_offset;
138 };
139 
140 /* Common device data struct for ACP devices */
141 struct acp_dev_data {
142 	struct snd_sof_dev  *dev;
143 	unsigned int fw_bin_size;
144 	unsigned int fw_data_bin_size;
145 	u32 fw_bin_page_count;
146 	dma_addr_t sha_dma_addr;
147 	u8 *bin_buf;
148 	dma_addr_t dma_addr;
149 	u8 *data_buf;
150 	struct dma_descriptor dscr_info[ACP_MAX_DESC];
151 	struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
152 	struct acp_dsp_stream *dtrace_stream;
153 	struct pci_dev *smn_dev;
154 };
155 
156 void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);
157 void memcpy_from_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *dst, size_t bytes);
158 
159 int acp_dma_status(struct acp_dev_data *adata, unsigned char ch);
160 int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr,
161 			  unsigned int dest_addr, int dsp_data_size);
162 int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
163 			      unsigned int start_addr, unsigned int dest_addr,
164 			      unsigned int image_length);
165 
166 /* ACP device probe/remove */
167 int amd_sof_acp_probe(struct snd_sof_dev *sdev);
168 int amd_sof_acp_remove(struct snd_sof_dev *sdev);
169 
170 /* DSP Loader callbacks */
171 int acp_sof_dsp_run(struct snd_sof_dev *sdev);
172 int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev);
173 int acp_get_bar_index(struct snd_sof_dev *sdev, u32 type);
174 
175 /* Block IO callbacks */
176 int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
177 			u32 offset, void *src, size_t size);
178 int acp_dsp_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
179 		       u32 offset, void *dest, size_t size);
180 
181 /* IPC callbacks */
182 irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context);
183 int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
184 			 void *p, size_t sz);
185 int acp_sof_ipc_send_msg(struct snd_sof_dev *sdev,
186 			 struct snd_sof_ipc_msg *msg);
187 int acp_sof_ipc_get_mailbox_offset(struct snd_sof_dev *sdev);
188 int acp_sof_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id);
189 void acp_mailbox_write(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
190 void acp_mailbox_read(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
191 
192 /* ACP - DSP  stream callbacks */
193 int acp_dsp_stream_config(struct snd_sof_dev *sdev, struct acp_dsp_stream *stream);
194 int acp_dsp_stream_init(struct snd_sof_dev *sdev);
195 struct acp_dsp_stream *acp_dsp_stream_get(struct snd_sof_dev *sdev, int tag);
196 int acp_dsp_stream_put(struct snd_sof_dev *sdev, struct acp_dsp_stream *acp_stream);
197 
198 /*
199  * DSP PCM Operations.
200  */
201 int acp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
202 int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
203 int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
204 		      struct snd_pcm_hw_params *params,
205 		      struct snd_sof_platform_stream_params *platform_params);
206 
207 extern const struct snd_sof_dsp_ops sof_renoir_ops;
208 
209 /* Machine configuration */
210 int snd_amd_acp_find_config(struct pci_dev *pci);
211 
212 /* Trace */
213 int acp_sof_trace_init(struct snd_sof_dev *sdev,
214 		       struct sof_ipc_dma_trace_params_ext *dtrace_params);
215 int acp_sof_trace_release(struct snd_sof_dev *sdev);
216 
217 struct sof_amd_acp_desc {
218 	unsigned int host_bridge_id;
219 };
220 
221 static inline const struct sof_amd_acp_desc *get_chip_info(struct snd_sof_pdata *pdata)
222 {
223 	const struct sof_dev_desc *desc = pdata->desc;
224 
225 	return desc->chip_info;
226 }
227 #endif
228