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 const 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