xref: /openbmc/linux/sound/soc/sof/amd/acp.h (revision 55b37d9c)
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 #include "../sof-audio.h"
16 
17 #define ACP_MAX_STREAM	8
18 
19 #define ACP_DSP_BAR	0
20 
21 #define ACP_HW_SEM_RETRY_COUNT			10000
22 #define ACP_REG_POLL_INTERVAL                   500
23 #define ACP_REG_POLL_TIMEOUT_US                 2000
24 #define ACP_DMA_COMPLETE_TIMEOUT_US		5000
25 
26 #define ACP_PGFSM_CNTL_POWER_ON_MASK		0x01
27 #define ACP_PGFSM_STATUS_MASK			0x03
28 #define ACP_POWERED_ON				0x00
29 #define ACP_ASSERT_RESET			0x01
30 #define ACP_RELEASE_RESET			0x00
31 #define ACP_SOFT_RESET_DONE_MASK		0x00010001
32 
33 #define ACP_DSP_INTR_EN_MASK			0x00000001
34 #define ACP3X_SRAM_PTE_OFFSET			0x02050000
35 #define ACP6X_SRAM_PTE_OFFSET			0x03800000
36 #define PAGE_SIZE_4K_ENABLE			0x2
37 #define ACP_PAGE_SIZE				0x1000
38 #define ACP_DMA_CH_RUN				0x02
39 #define ACP_MAX_DESC_CNT			0x02
40 #define DSP_FW_RUN_ENABLE			0x01
41 #define ACP_SHA_RUN				0x01
42 #define ACP_SHA_RESET				0x02
43 #define ACP_DMA_CH_RST				0x01
44 #define ACP_DMA_CH_GRACEFUL_RST_EN		0x10
45 #define ACP_ATU_CACHE_INVALID			0x01
46 #define ACP_MAX_DESC				128
47 #define ACPBUS_REG_BASE_OFFSET			ACP_DMA_CNTL_0
48 
49 #define ACP_DEFAULT_DRAM_LENGTH			0x00080000
50 #define ACP3X_SCRATCH_MEMORY_ADDRESS		0x02050000
51 #define ACP_SYSTEM_MEMORY_WINDOW		0x4000000
52 #define ACP_IRAM_BASE_ADDRESS			0x000000
53 #define ACP_DATA_RAM_BASE_ADDRESS		0x01000000
54 #define ACP_DRAM_PAGE_COUNT			128
55 
56 #define ACP_DSP_TO_HOST_IRQ			0x04
57 
58 #define HOST_BRIDGE_CZN				0x1630
59 #define HOST_BRIDGE_RMB				0x14B5
60 #define ACP_SHA_STAT				0x8000
61 #define ACP_PSP_TIMEOUT_COUNTER			5
62 #define ACP_EXT_INTR_ERROR_STAT			0x20000000
63 #define MP0_C2PMSG_114_REG			0x3810AC8
64 #define MP0_C2PMSG_73_REG			0x3810A24
65 #define MBOX_ACP_SHA_DMA_COMMAND		0x70000
66 #define MBOX_DELAY				1000
67 #define MBOX_READY_MASK				0x80000000
68 #define MBOX_STATUS_MASK			0xFFFF
69 
70 #define BOX_SIZE_512				0x200
71 #define BOX_SIZE_1024				0x400
72 
73 #define EXCEPT_MAX_HDR_SIZE			0x400
74 #define AMD_STACK_DUMP_SIZE			32
75 
76 #define SRAM1_SIZE				0x13A000
77 
78 enum clock_source {
79 	ACP_CLOCK_96M = 0,
80 	ACP_CLOCK_48M,
81 	ACP_CLOCK_24M,
82 	ACP_CLOCK_ACLK,
83 	ACP_CLOCK_MCLK,
84 };
85 
86 struct  acp_atu_grp_pte {
87 	u32 low;
88 	u32 high;
89 };
90 
91 union dma_tx_cnt {
92 	struct {
93 		unsigned int count : 19;
94 		unsigned int reserved : 12;
95 		unsigned ioc : 1;
96 	} bitfields, bits;
97 	unsigned int u32_all;
98 	signed int i32_all;
99 };
100 
101 struct dma_descriptor {
102 	unsigned int src_addr;
103 	unsigned int dest_addr;
104 	union dma_tx_cnt tx_cnt;
105 	unsigned int reserved;
106 };
107 
108 /* Scratch memory structure for communication b/w host and dsp */
109 struct  scratch_ipc_conf {
110 	/* Debug memory */
111 	u8 sof_debug_box[1024];
112 	/* Exception memory*/
113 	u8 sof_except_box[1024];
114 	/* Stream buffer */
115 	u8 sof_stream_box[1024];
116 	/* Trace buffer */
117 	u8 sof_trace_box[1024];
118 	/* Host msg flag */
119 	u32 sof_host_msg_write;
120 	/* Host ack flag*/
121 	u32 sof_host_ack_write;
122 	/* DSP msg flag */
123 	u32 sof_dsp_msg_write;
124 	/* Dsp ack flag */
125 	u32 sof_dsp_ack_write;
126 };
127 
128 struct  scratch_reg_conf {
129 	struct scratch_ipc_conf info;
130 	struct acp_atu_grp_pte grp1_pte[16];
131 	struct acp_atu_grp_pte grp2_pte[16];
132 	struct acp_atu_grp_pte grp3_pte[16];
133 	struct acp_atu_grp_pte grp4_pte[16];
134 	struct acp_atu_grp_pte grp5_pte[16];
135 	struct acp_atu_grp_pte grp6_pte[16];
136 	struct acp_atu_grp_pte grp7_pte[16];
137 	struct acp_atu_grp_pte grp8_pte[16];
138 	struct dma_descriptor dma_desc[64];
139 	unsigned int reg_offset[8];
140 	unsigned int buf_size[8];
141 	u8 acp_tx_fifo_buf[256];
142 	u8 acp_rx_fifo_buf[256];
143 	unsigned int    reserve[];
144 };
145 
146 struct acp_dsp_stream {
147 	struct list_head list;
148 	struct snd_sof_dev *sdev;
149 	struct snd_pcm_substream *substream;
150 	struct snd_dma_buffer *dmab;
151 	int num_pages;
152 	int stream_tag;
153 	int active;
154 	unsigned int reg_offset;
155 	size_t posn_offset;
156 };
157 
158 struct sof_amd_acp_desc {
159 	unsigned int rev;
160 	unsigned int host_bridge_id;
161 	u32 pgfsm_base;
162 	u32 ext_intr_stat;
163 	u32 dsp_intr_base;
164 	u32 sram_pte_offset;
165 	u32 hw_semaphore_offset;
166 	u32 acp_clkmux_sel;
167 	u32 fusion_dsp_offset;
168 };
169 
170 /* Common device data struct for ACP devices */
171 struct acp_dev_data {
172 	struct snd_sof_dev  *dev;
173 	/* DMIC device */
174 	struct platform_device *dmic_dev;
175 	unsigned int fw_bin_size;
176 	unsigned int fw_data_bin_size;
177 	u32 fw_bin_page_count;
178 	dma_addr_t sha_dma_addr;
179 	u8 *bin_buf;
180 	dma_addr_t dma_addr;
181 	u8 *data_buf;
182 	struct dma_descriptor dscr_info[ACP_MAX_DESC];
183 	struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
184 	struct acp_dsp_stream *dtrace_stream;
185 	struct pci_dev *smn_dev;
186 };
187 
188 void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);
189 void memcpy_from_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *dst, size_t bytes);
190 
191 int acp_dma_status(struct acp_dev_data *adata, unsigned char ch);
192 int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr,
193 			  unsigned int dest_addr, int dsp_data_size);
194 int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
195 			      unsigned int start_addr, unsigned int dest_addr,
196 			      unsigned int image_length);
197 
198 /* ACP device probe/remove */
199 int amd_sof_acp_probe(struct snd_sof_dev *sdev);
200 int amd_sof_acp_remove(struct snd_sof_dev *sdev);
201 
202 /* DSP Loader callbacks */
203 int acp_sof_dsp_run(struct snd_sof_dev *sdev);
204 int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev);
205 int acp_get_bar_index(struct snd_sof_dev *sdev, u32 type);
206 
207 /* Block IO callbacks */
208 int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
209 			u32 offset, void *src, size_t size);
210 int acp_dsp_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
211 		       u32 offset, void *dest, size_t size);
212 
213 /* IPC callbacks */
214 irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context);
215 int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *sps,
216 			 void *p, size_t sz);
217 int acp_set_stream_data_offset(struct snd_sof_dev *sdev,
218 			       struct snd_sof_pcm_stream *sps,
219 			       size_t posn_offset);
220 int acp_sof_ipc_send_msg(struct snd_sof_dev *sdev,
221 			 struct snd_sof_ipc_msg *msg);
222 int acp_sof_ipc_get_mailbox_offset(struct snd_sof_dev *sdev);
223 int acp_sof_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id);
224 void acp_mailbox_write(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
225 void acp_mailbox_read(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
226 
227 /* ACP - DSP  stream callbacks */
228 int acp_dsp_stream_config(struct snd_sof_dev *sdev, struct acp_dsp_stream *stream);
229 int acp_dsp_stream_init(struct snd_sof_dev *sdev);
230 struct acp_dsp_stream *acp_dsp_stream_get(struct snd_sof_dev *sdev, int tag);
231 int acp_dsp_stream_put(struct snd_sof_dev *sdev, struct acp_dsp_stream *acp_stream);
232 
233 /*
234  * DSP PCM Operations.
235  */
236 int acp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
237 int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
238 int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
239 		      struct snd_pcm_hw_params *params,
240 		      struct snd_sof_platform_stream_params *platform_params);
241 snd_pcm_uframes_t acp_pcm_pointer(struct snd_sof_dev *sdev,
242 				  struct snd_pcm_substream *substream);
243 
244 extern struct snd_sof_dsp_ops sof_acp_common_ops;
245 
246 extern struct snd_sof_dsp_ops sof_renoir_ops;
247 int sof_renoir_ops_init(struct snd_sof_dev *sdev);
248 extern struct snd_sof_dsp_ops sof_rembrandt_ops;
249 int sof_rembrandt_ops_init(struct snd_sof_dev *sdev);
250 
251 struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev);
252 /* Machine configuration */
253 int snd_amd_acp_find_config(struct pci_dev *pci);
254 
255 /* Trace */
256 int acp_sof_trace_init(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
257 		       struct sof_ipc_dma_trace_params_ext *dtrace_params);
258 int acp_sof_trace_release(struct snd_sof_dev *sdev);
259 
260 /* PM Callbacks */
261 int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state);
262 int amd_sof_acp_resume(struct snd_sof_dev *sdev);
263 
264 void amd_sof_ipc_dump(struct snd_sof_dev *sdev);
265 void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags);
266 
267 static inline const struct sof_amd_acp_desc *get_chip_info(struct snd_sof_pdata *pdata)
268 {
269 	const struct sof_dev_desc *desc = pdata->desc;
270 
271 	return desc->chip_info;
272 }
273 #endif
274