xref: /linux/sound/soc/sof/amd/acp.h (revision 5b9b2e6baf9ed944a97d5a29c3386ac79937e8fc)
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, 2023 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 <linux/dmi.h>
15 #include <linux/soundwire/sdw_amd.h>
16 #include "../sof-priv.h"
17 #include "../sof-audio.h"
18 
19 #define ACP_MAX_STREAM	8
20 
21 #define ACP_DSP_BAR	0
22 
23 #define ACP_HW_SEM_RETRY_COUNT			10000
24 #define ACP_REG_POLL_INTERVAL                   500
25 #define ACP_REG_POLL_TIMEOUT_US                 2000
26 #define ACP_DMA_COMPLETE_TIMEOUT_US		5000
27 
28 #define ACP_PGFSM_CNTL_POWER_ON_MASK		0x01
29 #define ACP_PGFSM_STATUS_MASK			0x03
30 #define ACP_POWERED_ON				0x00
31 #define ACP_ASSERT_RESET			0x01
32 #define ACP_RELEASE_RESET			0x00
33 #define ACP_SOFT_RESET_DONE_MASK		0x00010001
34 #define ACP_DSP_ASSERT_RESET			0x04
35 #define ACP_DSP_RELEASE_RESET			0x00
36 #define ACP_DSP_SOFT_RESET_DONE_MASK		0x00050004
37 
38 #define ACP_DSP_INTR_EN_MASK			0x00000001
39 #define ACP3X_SRAM_PTE_OFFSET			0x02050000
40 #define ACP5X_SRAM_PTE_OFFSET			0x02050000
41 #define ACP6X_SRAM_PTE_OFFSET			0x03800000
42 #define PAGE_SIZE_4K_ENABLE			0x2
43 #define ACP_PAGE_SIZE				0x1000
44 #define ACP_DMA_CH_RUN				0x02
45 #define ACP_MAX_DESC_CNT			0x02
46 #define DSP_FW_RUN_ENABLE			0x01
47 #define ACP_SHA_RUN				0x01
48 #define ACP_SHA_RESET				0x02
49 #define ACP_SHA_HEADER				0x01
50 #define ACP_DMA_CH_RST				0x01
51 #define ACP_DMA_CH_GRACEFUL_RST_EN		0x10
52 #define ACP_ATU_CACHE_INVALID			0x01
53 #define ACP_MAX_DESC				128
54 #define ACPBUS_REG_BASE_OFFSET			ACP_DMA_CNTL_0
55 
56 #define ACP_DEFAULT_DRAM_LENGTH			0x00080000
57 #define ACP3X_SCRATCH_MEMORY_ADDRESS		0x02050000
58 #define ACP_SYSTEM_MEMORY_WINDOW		0x4000000
59 #define ACP_IRAM_BASE_ADDRESS			0x000000
60 #define ACP_DRAM_BASE_ADDRESS			0x01000000
61 #define ACP_DRAM_PAGE_COUNT			128
62 #define ACP_SRAM_BASE_ADDRESS			0x3806000
63 #define ACP_DSP_TO_HOST_IRQ			0x04
64 
65 #define ACP_RN_PCI_ID				0x01
66 #define ACP_VANGOGH_PCI_ID			0x50
67 #define ACP_RMB_PCI_ID				0x6F
68 #define ACP63_PCI_ID				0x63
69 
70 #define HOST_BRIDGE_CZN				0x1630
71 #define HOST_BRIDGE_VGH				0x1645
72 #define HOST_BRIDGE_RMB				0x14B5
73 #define HOST_BRIDGE_ACP63			0x14E8
74 #define ACP_SHA_STAT				0x8000
75 #define ACP_PSP_TIMEOUT_US			1000000
76 #define ACP_EXT_INTR_ERROR_STAT			0x20000000
77 #define MP0_C2PMSG_114_REG			0x3810AC8
78 #define MP0_C2PMSG_73_REG			0x3810A24
79 #define MBOX_ACP_SHA_DMA_COMMAND		0x70000
80 #define MBOX_ACP_IRAM_DRAM_FENCE_COMMAND	0x80000
81 #define MBOX_DELAY_US				1000
82 #define MBOX_READY_MASK				0x80000000
83 #define MBOX_STATUS_MASK			0xFFFF
84 #define MBOX_ISREADY_FLAG			0x40000000
85 #define IRAM_DRAM_FENCE_0			0X0
86 #define IRAM_DRAM_FENCE_1			0X01
87 #define IRAM_DRAM_FENCE_2			0X02
88 
89 #define BOX_SIZE_512				0x200
90 #define BOX_SIZE_1024				0x400
91 
92 #define EXCEPT_MAX_HDR_SIZE			0x400
93 #define AMD_STACK_DUMP_SIZE			32
94 
95 #define SRAM1_SIZE				0x280000
96 #define PROBE_STATUS_BIT			BIT(31)
97 
98 #define ACP_FIRMWARE_SIGNATURE			0x100
99 #define ACP_ERROR_IRQ_MASK			BIT(29)
100 #define ACP_SDW0_IRQ_MASK			BIT(21)
101 #define ACP_SDW1_IRQ_MASK			BIT(2)
102 #define SDW_ACPI_ADDR_ACP63			5
103 #define ACP_DEFAULT_SRAM_LENGTH			0x00080000
104 #define ACP_SRAM_PAGE_COUNT			128
105 #define ACP6X_SDW_MAX_MANAGER_COUNT		2
106 
107 enum clock_source {
108 	ACP_CLOCK_96M = 0,
109 	ACP_CLOCK_48M,
110 	ACP_CLOCK_24M,
111 	ACP_CLOCK_ACLK,
112 	ACP_CLOCK_MCLK,
113 };
114 
115 struct  acp_atu_grp_pte {
116 	u32 low;
117 	u32 high;
118 };
119 
120 union dma_tx_cnt {
121 	struct {
122 		unsigned int count : 19;
123 		unsigned int reserved : 12;
124 		unsigned ioc : 1;
125 	} bitfields, bits;
126 	unsigned int u32_all;
127 	signed int i32_all;
128 };
129 
130 struct dma_descriptor {
131 	unsigned int src_addr;
132 	unsigned int dest_addr;
133 	union dma_tx_cnt tx_cnt;
134 	unsigned int reserved;
135 };
136 
137 /* Scratch memory structure for communication b/w host and dsp */
138 struct  scratch_ipc_conf {
139 	/* Debug memory */
140 	u8 sof_debug_box[1024];
141 	/* Exception memory*/
142 	u8 sof_except_box[1024];
143 	/* Stream buffer */
144 	u8 sof_stream_box[1024];
145 	/* Trace buffer */
146 	u8 sof_trace_box[1024];
147 	/* Host msg flag */
148 	u32 sof_host_msg_write;
149 	/* Host ack flag*/
150 	u32 sof_host_ack_write;
151 	/* DSP msg flag */
152 	u32 sof_dsp_msg_write;
153 	/* Dsp ack flag */
154 	u32 sof_dsp_ack_write;
155 };
156 
157 struct  scratch_reg_conf {
158 	struct scratch_ipc_conf info;
159 	struct acp_atu_grp_pte grp1_pte[16];
160 	struct acp_atu_grp_pte grp2_pte[16];
161 	struct acp_atu_grp_pte grp3_pte[16];
162 	struct acp_atu_grp_pte grp4_pte[16];
163 	struct acp_atu_grp_pte grp5_pte[16];
164 	struct acp_atu_grp_pte grp6_pte[16];
165 	struct acp_atu_grp_pte grp7_pte[16];
166 	struct acp_atu_grp_pte grp8_pte[16];
167 	struct dma_descriptor dma_desc[64];
168 	unsigned int reg_offset[8];
169 	unsigned int buf_size[8];
170 	u8 acp_tx_fifo_buf[256];
171 	u8 acp_rx_fifo_buf[256];
172 	unsigned int    reserve[];
173 };
174 
175 struct acp_dsp_stream {
176 	struct list_head list;
177 	struct snd_sof_dev *sdev;
178 	struct snd_pcm_substream *substream;
179 	struct snd_dma_buffer *dmab;
180 	int num_pages;
181 	int stream_tag;
182 	int active;
183 	unsigned int reg_offset;
184 	size_t posn_offset;
185 	struct snd_compr_stream *cstream;
186 	u64 cstream_posn;
187 };
188 
189 struct sof_amd_acp_desc {
190 	unsigned int rev;
191 	const char *name;
192 	unsigned int host_bridge_id;
193 	u32 pgfsm_base;
194 	u32 ext_intr_enb;
195 	u32 ext_intr_cntl;
196 	u32 ext_intr_stat;
197 	u32 ext_intr_stat1;
198 	u32 dsp_intr_base;
199 	u32 sram_pte_offset;
200 	u32 hw_semaphore_offset;
201 	u32 acp_clkmux_sel;
202 	u32 fusion_dsp_offset;
203 	u32 probe_reg_offset;
204 	u32 reg_start_addr;
205 	u32 reg_end_addr;
206 	u32 sdw_max_link_count;
207 	u64 sdw_acpi_dev_addr;
208 };
209 
210 struct acp_quirk_entry {
211 	bool signed_fw_image;
212 	bool skip_iram_dram_size_mod;
213 };
214 
215 /* Common device data struct for ACP devices */
216 struct acp_dev_data {
217 	struct snd_sof_dev  *dev;
218 	const struct firmware *fw_dbin;
219 	/* DMIC device */
220 	struct platform_device *dmic_dev;
221 	/* mutex lock to protect ACP common registers access */
222 	struct mutex acp_lock;
223 	/* ACPI information stored between scan and probe steps */
224 	struct sdw_amd_acpi_info info;
225 	/* sdw context allocated by SoundWire driver */
226 	struct sdw_amd_ctx *sdw;
227 	unsigned int fw_bin_size;
228 	unsigned int fw_data_bin_size;
229 	unsigned int fw_sram_data_bin_size;
230 	const char *fw_code_bin;
231 	const char *fw_data_bin;
232 	const char *fw_sram_data_bin;
233 	u32 fw_bin_page_count;
234 	u32 fw_data_bin_page_count;
235 	u32 addr;
236 	u32 reg_range;
237 	u32 blk_type;
238 	dma_addr_t sha_dma_addr;
239 	u8 *bin_buf;
240 	dma_addr_t dma_addr;
241 	u8 *data_buf;
242 	dma_addr_t sram_dma_addr;
243 	u8 *sram_data_buf;
244 	struct acp_quirk_entry *quirks;
245 	struct dma_descriptor dscr_info[ACP_MAX_DESC];
246 	struct acp_dsp_stream stream_buf[ACP_MAX_STREAM];
247 	struct acp_dsp_stream *dtrace_stream;
248 	struct pci_dev *smn_dev;
249 	struct acp_dsp_stream *probe_stream;
250 	bool enable_fw_debug;
251 	bool is_dram_in_use;
252 	bool is_sram_in_use;
253 	bool sdw_en_stat;
254 };
255 
256 void memcpy_to_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *src, size_t bytes);
257 void memcpy_from_scratch(struct snd_sof_dev *sdev, u32 offset, unsigned int *dst, size_t bytes);
258 
259 int acp_dma_status(struct acp_dev_data *adata, unsigned char ch);
260 int configure_and_run_dma(struct acp_dev_data *adata, unsigned int src_addr,
261 			  unsigned int dest_addr, int dsp_data_size);
262 int configure_and_run_sha_dma(struct acp_dev_data *adata, void *image_addr,
263 			      unsigned int start_addr, unsigned int dest_addr,
264 			      unsigned int image_length);
265 
266 /* ACP device probe/remove */
267 int amd_sof_acp_probe(struct snd_sof_dev *sdev);
268 void amd_sof_acp_remove(struct snd_sof_dev *sdev);
269 
270 /* DSP Loader callbacks */
271 int acp_sof_dsp_run(struct snd_sof_dev *sdev);
272 int acp_dsp_pre_fw_run(struct snd_sof_dev *sdev);
273 int acp_sof_load_signed_firmware(struct snd_sof_dev *sdev);
274 int acp_get_bar_index(struct snd_sof_dev *sdev, u32 type);
275 
276 /* Block IO callbacks */
277 int acp_dsp_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
278 			u32 offset, void *src, size_t size);
279 int acp_dsp_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type,
280 		       u32 offset, void *dest, size_t size);
281 
282 /* IPC callbacks */
283 irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context);
284 int acp_sof_ipc_msg_data(struct snd_sof_dev *sdev, struct snd_sof_pcm_stream *sps,
285 			 void *p, size_t sz);
286 int acp_set_stream_data_offset(struct snd_sof_dev *sdev,
287 			       struct snd_sof_pcm_stream *sps,
288 			       size_t posn_offset);
289 int acp_sof_ipc_send_msg(struct snd_sof_dev *sdev,
290 			 struct snd_sof_ipc_msg *msg);
291 int acp_sof_ipc_get_mailbox_offset(struct snd_sof_dev *sdev);
292 int acp_sof_ipc_get_window_offset(struct snd_sof_dev *sdev, u32 id);
293 void acp_mailbox_write(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
294 void acp_mailbox_read(struct snd_sof_dev *sdev, u32 offset, void *message, size_t bytes);
295 
296 /* ACP - DSP  stream callbacks */
297 int acp_dsp_stream_config(struct snd_sof_dev *sdev, struct acp_dsp_stream *stream);
298 int acp_dsp_stream_init(struct snd_sof_dev *sdev);
299 struct acp_dsp_stream *acp_dsp_stream_get(struct snd_sof_dev *sdev, int tag);
300 int acp_dsp_stream_put(struct snd_sof_dev *sdev, struct acp_dsp_stream *acp_stream);
301 
302 /*
303  * DSP PCM Operations.
304  */
305 int acp_pcm_open(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
306 int acp_pcm_close(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream);
307 int acp_pcm_hw_params(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream,
308 		      struct snd_pcm_hw_params *params,
309 		      struct snd_sof_platform_stream_params *platform_params);
310 snd_pcm_uframes_t acp_pcm_pointer(struct snd_sof_dev *sdev,
311 				  struct snd_pcm_substream *substream);
312 
313 extern struct snd_sof_dsp_ops sof_acp_common_ops;
314 
315 extern struct snd_sof_dsp_ops sof_renoir_ops;
316 int sof_renoir_ops_init(struct snd_sof_dev *sdev);
317 extern struct snd_sof_dsp_ops sof_vangogh_ops;
318 int sof_vangogh_ops_init(struct snd_sof_dev *sdev);
319 extern struct snd_sof_dsp_ops sof_rembrandt_ops;
320 int sof_rembrandt_ops_init(struct snd_sof_dev *sdev);
321 extern struct snd_sof_dsp_ops sof_acp63_ops;
322 int sof_acp63_ops_init(struct snd_sof_dev *sdev);
323 
324 struct snd_soc_acpi_mach *amd_sof_machine_select(struct snd_sof_dev *sdev);
325 /* Machine configuration */
326 int snd_amd_acp_find_config(struct pci_dev *pci);
327 
328 /* Trace */
329 int acp_sof_trace_init(struct snd_sof_dev *sdev, struct snd_dma_buffer *dmab,
330 		       struct sof_ipc_dma_trace_params_ext *dtrace_params);
331 int acp_sof_trace_release(struct snd_sof_dev *sdev);
332 
333 /* PM Callbacks */
334 int amd_sof_acp_suspend(struct snd_sof_dev *sdev, u32 target_state);
335 int amd_sof_acp_resume(struct snd_sof_dev *sdev);
336 
337 void amd_sof_ipc_dump(struct snd_sof_dev *sdev);
338 void amd_sof_dump(struct snd_sof_dev *sdev, u32 flags);
339 
340 static inline const struct sof_amd_acp_desc *get_chip_info(struct snd_sof_pdata *pdata)
341 {
342 	const struct sof_dev_desc *desc = pdata->desc;
343 
344 	return desc->chip_info;
345 }
346 
347 int acp_probes_register(struct snd_sof_dev *sdev);
348 void acp_probes_unregister(struct snd_sof_dev *sdev);
349 
350 extern struct snd_soc_acpi_mach snd_soc_acpi_amd_vangogh_sof_machines[];
351 extern const struct dmi_system_id acp_sof_quirk_table[];
352 #endif
353