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) 2018 Intel Corporation 7 * 8 * Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 9 */ 10 11 #ifndef __SOUND_SOC_SOF_PRIV_H 12 #define __SOUND_SOC_SOF_PRIV_H 13 14 #include <linux/device.h> 15 #include <sound/hdaudio.h> 16 #include <sound/sof.h> 17 #include <sound/sof/info.h> 18 #include <sound/sof/pm.h> 19 #include <sound/sof/trace.h> 20 #include <uapi/sound/sof/fw.h> 21 #include <sound/sof/ext_manifest.h> 22 23 struct snd_sof_pcm_stream; 24 25 /* Flag definitions used in sof_core_debug (sof_debug module parameter) */ 26 #define SOF_DBG_ENABLE_TRACE BIT(0) 27 #define SOF_DBG_RETAIN_CTX BIT(1) /* prevent DSP D3 on FW exception */ 28 #define SOF_DBG_VERIFY_TPLG BIT(2) /* verify topology during load */ 29 #define SOF_DBG_DYNAMIC_PIPELINES_OVERRIDE BIT(3) /* 0: use topology token 30 * 1: override topology 31 */ 32 #define SOF_DBG_DYNAMIC_PIPELINES_ENABLE BIT(4) /* 0: use static pipelines 33 * 1: use dynamic pipelines 34 */ 35 #define SOF_DBG_DISABLE_MULTICORE BIT(5) /* schedule all pipelines/widgets 36 * on primary core 37 */ 38 #define SOF_DBG_PRINT_ALL_DUMPS BIT(6) /* Print all ipc and dsp dumps */ 39 #define SOF_DBG_IGNORE_D3_PERSISTENT BIT(7) /* ignore the DSP D3 persistent capability 40 * and always download firmware upon D3 exit 41 */ 42 #define SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS BIT(8) /* print DMA position updates 43 * in dmesg logs 44 */ 45 #define SOF_DBG_PRINT_IPC_SUCCESS_LOGS BIT(9) /* print IPC success 46 * in dmesg logs 47 */ 48 #define SOF_DBG_FORCE_NOCODEC BIT(10) /* ignore all codec-related 49 * configurations 50 */ 51 #define SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD BIT(11) /* On top of the IPC message header 52 * dump the message payload also 53 */ 54 #define SOF_DBG_DSPLESS_MODE BIT(15) /* Do not initialize and use the DSP */ 55 56 /* Flag definitions used for controlling the DSP dump behavior */ 57 #define SOF_DBG_DUMP_REGS BIT(0) 58 #define SOF_DBG_DUMP_MBOX BIT(1) 59 #define SOF_DBG_DUMP_TEXT BIT(2) 60 #define SOF_DBG_DUMP_PCI BIT(3) 61 /* Output this dump (at the DEBUG level) only when SOF_DBG_PRINT_ALL_DUMPS is set */ 62 #define SOF_DBG_DUMP_OPTIONAL BIT(4) 63 64 /* global debug state set by SOF_DBG_ flags */ 65 bool sof_debug_check_flag(int mask); 66 67 /* max BARs mmaped devices can use */ 68 #define SND_SOF_BARS 8 69 70 /* time in ms for runtime suspend delay */ 71 #define SND_SOF_SUSPEND_DELAY_MS 2000 72 73 /* DMA buffer size for trace */ 74 #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16) 75 76 #define SOF_IPC_DSP_REPLY 0 77 #define SOF_IPC_HOST_REPLY 1 78 79 /* convenience constructor for DAI driver streams */ 80 #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \ 81 {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \ 82 .rates = srates, .formats = sfmt} 83 84 #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ 85 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT) 86 87 /* So far the primary core on all DSPs has ID 0 */ 88 #define SOF_DSP_PRIMARY_CORE 0 89 90 /* max number of DSP cores */ 91 #define SOF_MAX_DSP_NUM_CORES 8 92 93 struct sof_dsp_power_state { 94 u32 state; 95 u32 substate; /* platform-specific */ 96 }; 97 98 /* System suspend target state */ 99 enum sof_system_suspend_state { 100 SOF_SUSPEND_NONE = 0, 101 SOF_SUSPEND_S0IX, 102 SOF_SUSPEND_S3, 103 SOF_SUSPEND_S4, 104 SOF_SUSPEND_S5, 105 }; 106 107 enum sof_dfsentry_type { 108 SOF_DFSENTRY_TYPE_IOMEM = 0, 109 SOF_DFSENTRY_TYPE_BUF, 110 }; 111 112 enum sof_debugfs_access_type { 113 SOF_DEBUGFS_ACCESS_ALWAYS = 0, 114 SOF_DEBUGFS_ACCESS_D0_ONLY, 115 }; 116 117 struct sof_compr_stream { 118 u64 copied_total; 119 u32 sampling_rate; 120 u16 channels; 121 u16 sample_container_bytes; 122 size_t posn_offset; 123 }; 124 125 struct snd_sof_dev; 126 struct snd_sof_ipc_msg; 127 struct snd_sof_ipc; 128 struct snd_sof_debugfs_map; 129 struct snd_soc_tplg_ops; 130 struct snd_soc_component; 131 struct snd_sof_pdata; 132 133 /** 134 * struct snd_sof_platform_stream_params - platform dependent stream parameters 135 * @phy_addr: Platform dependent address to be used, if @use_phy_addr 136 * is true 137 * @stream_tag: Stream tag to use 138 * @use_phy_addr: Use the provided @phy_addr for configuration 139 * @no_ipc_position: Disable position update IPC from firmware 140 * @cont_update_posn: Continuous position update. 141 */ 142 struct snd_sof_platform_stream_params { 143 u32 phy_addr; 144 u16 stream_tag; 145 bool use_phy_address; 146 bool no_ipc_position; 147 bool cont_update_posn; 148 }; 149 150 /** 151 * struct sof_firmware - Container struct for SOF firmware 152 * @fw: Pointer to the firmware 153 * @payload_offset: Offset of the data within the loaded firmware image to be 154 * loaded to the DSP (skipping for example ext_manifest section) 155 */ 156 struct sof_firmware { 157 const struct firmware *fw; 158 u32 payload_offset; 159 }; 160 161 enum sof_dai_access { 162 SOF_DAI_DSP_ACCESS, /* access from DSP only */ 163 SOF_DAI_HOST_ACCESS, /* access from host only */ 164 165 SOF_DAI_ACCESS_NUM 166 }; 167 168 /* 169 * SOF DSP HW abstraction operations. 170 * Used to abstract DSP HW architecture and any IO busses between host CPU 171 * and DSP device(s). 172 */ 173 struct snd_sof_dsp_ops { 174 175 /* probe/remove/shutdown */ 176 int (*probe_early)(struct snd_sof_dev *sof_dev); /* optional */ 177 int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */ 178 void (*remove)(struct snd_sof_dev *sof_dev); /* optional */ 179 void (*remove_late)(struct snd_sof_dev *sof_dev); /* optional */ 180 int (*shutdown)(struct snd_sof_dev *sof_dev); /* optional */ 181 182 /* DSP core boot / reset */ 183 int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */ 184 int (*stall)(struct snd_sof_dev *sof_dev, unsigned int core_mask); /* optional */ 185 int (*reset)(struct snd_sof_dev *sof_dev); /* optional */ 186 int (*core_get)(struct snd_sof_dev *sof_dev, int core); /* optional */ 187 int (*core_put)(struct snd_sof_dev *sof_dev, int core); /* optional */ 188 189 /* 190 * Register IO: only used by respective drivers themselves, 191 * TODO: consider removing these operations and calling respective 192 * implementations directly 193 */ 194 void (*write8)(struct snd_sof_dev *sof_dev, void __iomem *addr, 195 u8 value); /* optional */ 196 u8 (*read8)(struct snd_sof_dev *sof_dev, 197 void __iomem *addr); /* optional */ 198 void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr, 199 u32 value); /* optional */ 200 u32 (*read)(struct snd_sof_dev *sof_dev, 201 void __iomem *addr); /* optional */ 202 void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr, 203 u64 value); /* optional */ 204 u64 (*read64)(struct snd_sof_dev *sof_dev, 205 void __iomem *addr); /* optional */ 206 207 /* memcpy IO */ 208 int (*block_read)(struct snd_sof_dev *sof_dev, 209 enum snd_sof_fw_blk_type type, u32 offset, 210 void *dest, size_t size); /* mandatory */ 211 int (*block_write)(struct snd_sof_dev *sof_dev, 212 enum snd_sof_fw_blk_type type, u32 offset, 213 void *src, size_t size); /* mandatory */ 214 215 /* Mailbox IO */ 216 void (*mailbox_read)(struct snd_sof_dev *sof_dev, 217 u32 offset, void *dest, 218 size_t size); /* optional */ 219 void (*mailbox_write)(struct snd_sof_dev *sof_dev, 220 u32 offset, void *src, 221 size_t size); /* optional */ 222 223 /* doorbell */ 224 irqreturn_t (*irq_handler)(int irq, void *context); /* optional */ 225 irqreturn_t (*irq_thread)(int irq, void *context); /* optional */ 226 227 /* ipc */ 228 int (*send_msg)(struct snd_sof_dev *sof_dev, 229 struct snd_sof_ipc_msg *msg); /* mandatory */ 230 231 /* FW loading */ 232 int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */ 233 int (*load_module)(struct snd_sof_dev *sof_dev, 234 struct snd_sof_mod_hdr *hdr); /* optional */ 235 236 /* connect pcm substream to a host stream */ 237 int (*pcm_open)(struct snd_sof_dev *sdev, 238 struct snd_pcm_substream *substream); /* optional */ 239 /* disconnect pcm substream to a host stream */ 240 int (*pcm_close)(struct snd_sof_dev *sdev, 241 struct snd_pcm_substream *substream); /* optional */ 242 243 /* host stream hw params */ 244 int (*pcm_hw_params)(struct snd_sof_dev *sdev, 245 struct snd_pcm_substream *substream, 246 struct snd_pcm_hw_params *params, 247 struct snd_sof_platform_stream_params *platform_params); /* optional */ 248 249 /* host stream hw_free */ 250 int (*pcm_hw_free)(struct snd_sof_dev *sdev, 251 struct snd_pcm_substream *substream); /* optional */ 252 253 /* host stream trigger */ 254 int (*pcm_trigger)(struct snd_sof_dev *sdev, 255 struct snd_pcm_substream *substream, 256 int cmd); /* optional */ 257 258 /* host stream pointer */ 259 snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev, 260 struct snd_pcm_substream *substream); /* optional */ 261 262 /* pcm ack */ 263 int (*pcm_ack)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ 264 265 /* 266 * optional callback to retrieve the number of frames left/arrived from/to 267 * the DSP on the DAI side (link/codec/DMIC/etc). 268 * 269 * The callback is used when the firmware does not provide this information 270 * via the shared SRAM window and it can be retrieved by host. 271 */ 272 u64 (*get_dai_frame_counter)(struct snd_sof_dev *sdev, 273 struct snd_soc_component *component, 274 struct snd_pcm_substream *substream); /* optional */ 275 276 /* 277 * Optional callback to retrieve the number of bytes left/arrived from/to 278 * the DSP on the host side (bytes between host ALSA buffer and DSP). 279 * 280 * The callback is needed for ALSA delay reporting. 281 */ 282 u64 (*get_host_byte_counter)(struct snd_sof_dev *sdev, 283 struct snd_soc_component *component, 284 struct snd_pcm_substream *substream); /* optional */ 285 286 /* host read DSP stream data */ 287 int (*ipc_msg_data)(struct snd_sof_dev *sdev, 288 struct snd_sof_pcm_stream *sps, 289 void *p, size_t sz); /* mandatory */ 290 291 /* host side configuration of the stream's data offset in stream mailbox area */ 292 int (*set_stream_data_offset)(struct snd_sof_dev *sdev, 293 struct snd_sof_pcm_stream *sps, 294 size_t posn_offset); /* optional */ 295 296 /* pre/post firmware run */ 297 int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ 298 int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ 299 300 /* parse platform specific extended manifest, optional */ 301 int (*parse_platform_ext_manifest)(struct snd_sof_dev *sof_dev, 302 const struct sof_ext_man_elem_header *hdr); 303 304 /* DSP PM */ 305 int (*suspend)(struct snd_sof_dev *sof_dev, 306 u32 target_state); /* optional */ 307 int (*resume)(struct snd_sof_dev *sof_dev); /* optional */ 308 int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */ 309 int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */ 310 int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */ 311 int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */ 312 int (*set_power_state)(struct snd_sof_dev *sdev, 313 const struct sof_dsp_power_state *target_state); /* optional */ 314 315 /* DSP clocking */ 316 int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */ 317 318 /* debug */ 319 const struct snd_sof_debugfs_map *debug_map; /* optional */ 320 int debug_map_count; /* optional */ 321 void (*dbg_dump)(struct snd_sof_dev *sof_dev, 322 u32 flags); /* optional */ 323 void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */ 324 int (*debugfs_add_region_item)(struct snd_sof_dev *sdev, 325 enum snd_sof_fw_blk_type blk_type, u32 offset, 326 size_t size, const char *name, 327 enum sof_debugfs_access_type access_type); /* optional */ 328 329 /* host DMA trace (IPC3) */ 330 int (*trace_init)(struct snd_sof_dev *sdev, 331 struct snd_dma_buffer *dmatb, 332 struct sof_ipc_dma_trace_params_ext *dtrace_params); /* optional */ 333 int (*trace_release)(struct snd_sof_dev *sdev); /* optional */ 334 int (*trace_trigger)(struct snd_sof_dev *sdev, 335 int cmd); /* optional */ 336 337 /* misc */ 338 int (*get_bar_index)(struct snd_sof_dev *sdev, 339 u32 type); /* optional */ 340 int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */ 341 int (*get_window_offset)(struct snd_sof_dev *sdev, 342 u32 id);/* mandatory for common loader code */ 343 344 /* machine driver ops */ 345 int (*machine_register)(struct snd_sof_dev *sdev, 346 void *pdata); /* optional */ 347 void (*machine_unregister)(struct snd_sof_dev *sdev, 348 void *pdata); /* optional */ 349 struct snd_soc_acpi_mach * (*machine_select)(struct snd_sof_dev *sdev); /* optional */ 350 void (*set_mach_params)(struct snd_soc_acpi_mach *mach, 351 struct snd_sof_dev *sdev); /* optional */ 352 353 /* IPC client ops */ 354 int (*register_ipc_clients)(struct snd_sof_dev *sdev); /* optional */ 355 void (*unregister_ipc_clients)(struct snd_sof_dev *sdev); /* optional */ 356 357 /* DAI ops */ 358 struct snd_soc_dai_driver *drv; 359 int num_drv; 360 361 bool (*is_chain_dma_supported)(struct snd_sof_dev *sdev, u32 dai_type); /* optional */ 362 363 /* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */ 364 u32 hw_info; 365 366 const struct dsp_arch_ops *dsp_arch_ops; 367 }; 368 369 /* DSP architecture specific callbacks for oops and stack dumps */ 370 struct dsp_arch_ops { 371 void (*dsp_oops)(struct snd_sof_dev *sdev, const char *level, void *oops); 372 void (*dsp_stack)(struct snd_sof_dev *sdev, const char *level, void *oops, 373 u32 *stack, u32 stack_words); 374 }; 375 376 #define sof_dsp_arch_ops(sdev) ((sdev)->pdata->desc->ops->dsp_arch_ops) 377 378 /* FS entry for debug files that can expose DSP memories, registers */ 379 struct snd_sof_dfsentry { 380 size_t size; 381 size_t buf_data_size; /* length of buffered data for file read operation */ 382 enum sof_dfsentry_type type; 383 /* 384 * access_type specifies if the 385 * memory -> DSP resource (memory, register etc) is always accessible 386 * or if it is accessible only when the DSP is in D0. 387 */ 388 enum sof_debugfs_access_type access_type; 389 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) 390 char *cache_buf; /* buffer to cache the contents of debugfs memory */ 391 #endif 392 struct snd_sof_dev *sdev; 393 struct list_head list; /* list in sdev dfsentry list */ 394 union { 395 void __iomem *io_mem; 396 void *buf; 397 }; 398 }; 399 400 /* Debug mapping for any DSP memory or registers that can used for debug */ 401 struct snd_sof_debugfs_map { 402 const char *name; 403 u32 bar; 404 u32 offset; 405 u32 size; 406 /* 407 * access_type specifies if the memory is always accessible 408 * or if it is accessible only when the DSP is in D0. 409 */ 410 enum sof_debugfs_access_type access_type; 411 }; 412 413 /* mailbox descriptor, used for host <-> DSP IPC */ 414 struct snd_sof_mailbox { 415 size_t size; 416 u32 offset; 417 }; 418 419 /* IPC message descriptor for host <-> DSP IO */ 420 struct snd_sof_ipc_msg { 421 /* message data */ 422 void *msg_data; 423 void *reply_data; 424 size_t msg_size; 425 size_t reply_size; 426 int reply_error; 427 428 bool ipc_complete; 429 430 wait_queue_head_t waitq; 431 432 /* notification, firmware initiated messages */ 433 void *rx_data; 434 }; 435 436 /** 437 * struct sof_ipc_fw_tracing_ops - IPC-specific firmware tracing ops 438 * @init: Function pointer for initialization of the tracing 439 * @free: Optional function pointer for freeing of the tracing 440 * @fw_crashed: Optional function pointer to notify the tracing of a firmware crash 441 * @suspend: Function pointer for system/runtime suspend 442 * @resume: Function pointer for system/runtime resume 443 */ 444 struct sof_ipc_fw_tracing_ops { 445 int (*init)(struct snd_sof_dev *sdev); 446 void (*free)(struct snd_sof_dev *sdev); 447 void (*fw_crashed)(struct snd_sof_dev *sdev); 448 void (*suspend)(struct snd_sof_dev *sdev, pm_message_t pm_state); 449 int (*resume)(struct snd_sof_dev *sdev); 450 }; 451 452 /** 453 * struct sof_ipc_pm_ops - IPC-specific PM ops 454 * @ctx_save: Optional function pointer for context save 455 * @ctx_restore: Optional function pointer for context restore 456 * @set_core_state: Optional function pointer for turning on/off a DSP core 457 * @set_pm_gate: Optional function pointer for pm gate settings 458 */ 459 struct sof_ipc_pm_ops { 460 int (*ctx_save)(struct snd_sof_dev *sdev); 461 int (*ctx_restore)(struct snd_sof_dev *sdev); 462 int (*set_core_state)(struct snd_sof_dev *sdev, int core_idx, bool on); 463 int (*set_pm_gate)(struct snd_sof_dev *sdev, u32 flags); 464 }; 465 466 /** 467 * struct sof_ipc_fw_loader_ops - IPC/FW-specific loader ops 468 * @validate: Function pointer for validating the firmware image 469 * @parse_ext_manifest: Function pointer for parsing the manifest of the firmware 470 * @load_fw_to_dsp: Optional function pointer for loading the firmware to the 471 * DSP. 472 * The function implements generic, hardware independent way 473 * of loading the initial firmware and its modules (if any). 474 */ 475 struct sof_ipc_fw_loader_ops { 476 int (*validate)(struct snd_sof_dev *sdev); 477 size_t (*parse_ext_manifest)(struct snd_sof_dev *sdev); 478 int (*load_fw_to_dsp)(struct snd_sof_dev *sdev); 479 }; 480 481 struct sof_ipc_tplg_ops; 482 struct sof_ipc_pcm_ops; 483 484 /** 485 * struct sof_ipc_ops - IPC-specific ops 486 * @tplg: Pointer to IPC-specific topology ops 487 * @pm: Pointer to PM ops 488 * @pcm: Pointer to PCM ops 489 * @fw_loader: Pointer to Firmware Loader ops 490 * @fw_tracing: Optional pointer to Firmware tracing ops 491 * 492 * @init: Optional pointer for IPC related initialization 493 * @exit: Optional pointer for IPC related cleanup 494 * @post_fw_boot: Optional pointer to execute IPC related tasks after firmware 495 * boot. 496 * 497 * @tx_msg: Function pointer for sending a 'short' IPC message 498 * @set_get_data: Function pointer for set/get data ('large' IPC message). This 499 * function may split up the 'large' message and use the @tx_msg 500 * path to transfer individual chunks, or use other means to transfer 501 * the message. 502 * @get_reply: Function pointer for fetching the reply to 503 * sdev->ipc->msg.reply_data 504 * @rx_msg: Function pointer for handling a received message 505 * 506 * Note: both @tx_msg and @set_get_data considered as TX functions and they are 507 * serialized for the duration of the instructed transfer. A large message sent 508 * via @set_get_data is a single transfer even if at the hardware level it is 509 * handled with multiple chunks. 510 */ 511 struct sof_ipc_ops { 512 const struct sof_ipc_tplg_ops *tplg; 513 const struct sof_ipc_pm_ops *pm; 514 const struct sof_ipc_pcm_ops *pcm; 515 const struct sof_ipc_fw_loader_ops *fw_loader; 516 const struct sof_ipc_fw_tracing_ops *fw_tracing; 517 518 int (*init)(struct snd_sof_dev *sdev); 519 void (*exit)(struct snd_sof_dev *sdev); 520 int (*post_fw_boot)(struct snd_sof_dev *sdev); 521 522 int (*tx_msg)(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, 523 void *reply_data, size_t reply_bytes, bool no_pm); 524 int (*set_get_data)(struct snd_sof_dev *sdev, void *data, size_t data_bytes, 525 bool set); 526 int (*get_reply)(struct snd_sof_dev *sdev); 527 void (*rx_msg)(struct snd_sof_dev *sdev); 528 }; 529 530 /* SOF generic IPC data */ 531 struct snd_sof_ipc { 532 struct snd_sof_dev *sdev; 533 534 /* protects messages and the disable flag */ 535 struct mutex tx_mutex; 536 /* disables further sending of ipc's */ 537 bool disable_ipc_tx; 538 539 /* Maximum allowed size of a single IPC message/reply */ 540 size_t max_payload_size; 541 542 struct snd_sof_ipc_msg msg; 543 544 /* IPC ops based on version */ 545 const struct sof_ipc_ops *ops; 546 }; 547 548 /* Helper to retrieve the IPC ops */ 549 #define sof_ipc_get_ops(sdev, ops_name) \ 550 (((sdev)->ipc && (sdev)->ipc->ops) ? (sdev)->ipc->ops->ops_name : NULL) 551 552 /* 553 * SOF Device Level. 554 */ 555 struct snd_sof_dev { 556 struct device *dev; 557 spinlock_t ipc_lock; /* lock for IPC users */ 558 spinlock_t hw_lock; /* lock for HW IO access */ 559 560 /* 561 * When true the DSP is not used. 562 * It is set under the following condition: 563 * User sets the SOF_DBG_DSPLESS_MODE flag in sof_debug module parameter 564 * and 565 * the platform advertises that it can support such mode 566 * pdata->desc->dspless_mode_supported is true. 567 */ 568 bool dspless_mode_selected; 569 570 /* Main, Base firmware image */ 571 struct sof_firmware basefw; 572 573 /* 574 * ASoC components. plat_drv fields are set dynamically so 575 * can't use const 576 */ 577 struct snd_soc_component_driver plat_drv; 578 579 /* current DSP power state */ 580 struct sof_dsp_power_state dsp_power_state; 581 /* mutex to protect the dsp_power_state access */ 582 struct mutex power_state_access; 583 584 /* Intended power target of system suspend */ 585 enum sof_system_suspend_state system_suspend_target; 586 587 /* DSP firmware boot */ 588 wait_queue_head_t boot_wait; 589 enum sof_fw_state fw_state; 590 bool first_boot; 591 592 /* work queue in case the probe is implemented in two steps */ 593 struct work_struct probe_work; 594 bool probe_completed; 595 596 /* DSP HW differentiation */ 597 struct snd_sof_pdata *pdata; 598 599 /* IPC */ 600 struct snd_sof_ipc *ipc; 601 struct snd_sof_mailbox fw_info_box; /* FW shared memory */ 602 struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */ 603 struct snd_sof_mailbox host_box; /* Host initiated IPC */ 604 struct snd_sof_mailbox stream_box; /* Stream position update */ 605 struct snd_sof_mailbox debug_box; /* Debug info updates */ 606 struct snd_sof_ipc_msg *msg; 607 int ipc_irq; 608 u32 next_comp_id; /* monotonic - reset during S3 */ 609 610 /* memory bases for mmaped DSPs - set by dsp_init() */ 611 void __iomem *bar[SND_SOF_BARS]; /* DSP base address */ 612 int mmio_bar; 613 int mailbox_bar; 614 size_t dsp_oops_offset; 615 616 /* debug */ 617 struct dentry *debugfs_root; 618 struct list_head dfsentry_list; 619 bool dbg_dump_printed; 620 bool ipc_dump_printed; 621 bool d3_prevented; /* runtime pm use count incremented to prevent context lost */ 622 623 /* firmware loader */ 624 struct sof_ipc_fw_ready fw_ready; 625 struct sof_ipc_fw_version fw_version; 626 struct sof_ipc_cc_version *cc_version; 627 628 /* topology */ 629 struct snd_soc_tplg_ops *tplg_ops; 630 struct list_head pcm_list; 631 struct list_head kcontrol_list; 632 struct list_head widget_list; 633 struct list_head pipeline_list; 634 struct list_head dai_list; 635 struct list_head dai_link_list; 636 struct list_head route_list; 637 struct snd_soc_component *component; 638 u32 enabled_cores_mask; /* keep track of enabled cores */ 639 bool led_present; 640 641 /* FW configuration */ 642 struct sof_ipc_window *info_window; 643 644 /* IPC timeouts in ms */ 645 int ipc_timeout; 646 int boot_timeout; 647 648 /* firmwre tracing */ 649 bool fw_trace_is_supported; /* set with Kconfig or module parameter */ 650 void *fw_trace_data; /* private data used by firmware tracing implementation */ 651 652 bool msi_enabled; 653 654 /* DSP core context */ 655 u32 num_cores; 656 657 /* 658 * ref count per core that will be modified during system suspend/resume and during pcm 659 * hw_params/hw_free. This doesn't need to be protected with a mutex because pcm 660 * hw_params/hw_free are already protected by the PCM mutex in the ALSA framework in 661 * sound/core/ when streams are active and during system suspend/resume, streams are 662 * already suspended. 663 */ 664 int dsp_core_ref_count[SOF_MAX_DSP_NUM_CORES]; 665 666 /* 667 * Used to keep track of registered IPC client devices so that they can 668 * be removed when the parent SOF module is removed. 669 */ 670 struct list_head ipc_client_list; 671 672 /* mutex to protect client list */ 673 struct mutex ipc_client_mutex; 674 675 /* 676 * Used for tracking the IPC client's RX registration for DSP initiated 677 * message handling. 678 */ 679 struct list_head ipc_rx_handler_list; 680 681 /* 682 * Used for tracking the IPC client's registration for DSP state change 683 * notification 684 */ 685 struct list_head fw_state_handler_list; 686 687 /* to protect the ipc_rx_handler_list and dsp_state_handler_list list */ 688 struct mutex client_event_handler_mutex; 689 690 /* quirks to override topology values */ 691 bool mclk_id_override; 692 u16 mclk_id_quirk; /* same size as in IPC3 definitions */ 693 694 void *private; /* core does not touch this */ 695 }; 696 697 /* 698 * Device Level. 699 */ 700 701 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data); 702 int snd_sof_device_remove(struct device *dev); 703 int snd_sof_device_shutdown(struct device *dev); 704 bool snd_sof_device_probe_completed(struct device *dev); 705 706 int snd_sof_runtime_suspend(struct device *dev); 707 int snd_sof_runtime_resume(struct device *dev); 708 int snd_sof_runtime_idle(struct device *dev); 709 int snd_sof_resume(struct device *dev); 710 int snd_sof_suspend(struct device *dev); 711 int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev); 712 int snd_sof_prepare(struct device *dev); 713 void snd_sof_complete(struct device *dev); 714 715 void snd_sof_new_platform_drv(struct snd_sof_dev *sdev); 716 717 /* 718 * Compress support 719 */ 720 extern struct snd_compress_ops sof_compressed_ops; 721 722 /* 723 * Firmware (firmware, libraries, topologies) file location 724 */ 725 int sof_create_ipc_file_profile(struct snd_sof_dev *sdev, 726 struct sof_loadable_file_profile *base_profile, 727 struct sof_loadable_file_profile *out_profile); 728 729 /* 730 * Firmware loading. 731 */ 732 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev); 733 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev); 734 int snd_sof_run_firmware(struct snd_sof_dev *sdev); 735 void snd_sof_fw_unload(struct snd_sof_dev *sdev); 736 737 /* 738 * IPC low level APIs. 739 */ 740 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev); 741 void snd_sof_ipc_free(struct snd_sof_dev *sdev); 742 void snd_sof_ipc_get_reply(struct snd_sof_dev *sdev); 743 void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id); snd_sof_ipc_msgs_rx(struct snd_sof_dev * sdev)744 static inline void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev) 745 { 746 sdev->ipc->ops->rx_msg(sdev); 747 } 748 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, 749 void *reply_data, size_t reply_bytes); sof_ipc_tx_message_no_reply(struct snd_sof_ipc * ipc,void * msg_data,size_t msg_bytes)750 static inline int sof_ipc_tx_message_no_reply(struct snd_sof_ipc *ipc, void *msg_data, 751 size_t msg_bytes) 752 { 753 return sof_ipc_tx_message(ipc, msg_data, msg_bytes, NULL, 0); 754 } 755 int sof_ipc_set_get_data(struct snd_sof_ipc *ipc, void *msg_data, 756 size_t msg_bytes, bool set); 757 int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, void *msg_data, size_t msg_bytes, 758 void *reply_data, size_t reply_bytes); sof_ipc_tx_message_no_pm_no_reply(struct snd_sof_ipc * ipc,void * msg_data,size_t msg_bytes)759 static inline int sof_ipc_tx_message_no_pm_no_reply(struct snd_sof_ipc *ipc, void *msg_data, 760 size_t msg_bytes) 761 { 762 return sof_ipc_tx_message_no_pm(ipc, msg_data, msg_bytes, NULL, 0); 763 } 764 int sof_ipc_send_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, 765 size_t reply_bytes); 766 snd_sof_ipc_process_reply(struct snd_sof_dev * sdev,u32 msg_id)767 static inline void snd_sof_ipc_process_reply(struct snd_sof_dev *sdev, u32 msg_id) 768 { 769 snd_sof_ipc_get_reply(sdev); 770 snd_sof_ipc_reply(sdev, msg_id); 771 } 772 773 /* 774 * Trace/debug 775 */ 776 int snd_sof_dbg_init(struct snd_sof_dev *sdev); 777 void snd_sof_free_debug(struct snd_sof_dev *sdev); 778 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, 779 void *base, size_t size, 780 const char *name, mode_t mode); 781 void sof_print_oops_and_stack(struct snd_sof_dev *sdev, const char *level, 782 u32 panic_code, u32 tracep_code, void *oops, 783 struct sof_ipc_panic_info *panic_info, 784 void *stack, size_t stack_words); 785 void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev, const char *msg); 786 int snd_sof_dbg_memory_info_init(struct snd_sof_dev *sdev); 787 int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev, 788 enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size, 789 const char *name, enum sof_debugfs_access_type access_type); 790 /* Firmware tracing */ 791 int sof_fw_trace_init(struct snd_sof_dev *sdev); 792 void sof_fw_trace_free(struct snd_sof_dev *sdev); 793 void sof_fw_trace_fw_crashed(struct snd_sof_dev *sdev); 794 void sof_fw_trace_suspend(struct snd_sof_dev *sdev, pm_message_t pm_state); 795 int sof_fw_trace_resume(struct snd_sof_dev *sdev); 796 797 /* 798 * DSP Architectures. 799 */ sof_stack(struct snd_sof_dev * sdev,const char * level,void * oops,u32 * stack,u32 stack_words)800 static inline void sof_stack(struct snd_sof_dev *sdev, const char *level, 801 void *oops, u32 *stack, u32 stack_words) 802 { 803 sof_dsp_arch_ops(sdev)->dsp_stack(sdev, level, oops, stack, 804 stack_words); 805 } 806 sof_oops(struct snd_sof_dev * sdev,const char * level,void * oops)807 static inline void sof_oops(struct snd_sof_dev *sdev, const char *level, void *oops) 808 { 809 if (sof_dsp_arch_ops(sdev)->dsp_oops) 810 sof_dsp_arch_ops(sdev)->dsp_oops(sdev, level, oops); 811 } 812 813 extern const struct dsp_arch_ops sof_xtensa_arch_ops; 814 815 /* 816 * Firmware state tracking 817 */ 818 void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state); 819 820 /* 821 * Utilities 822 */ 823 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value); 824 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value); 825 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr); 826 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr); 827 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset, 828 void *message, size_t bytes); 829 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset, 830 void *message, size_t bytes); 831 int sof_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, 832 u32 offset, void *src, size_t size); 833 int sof_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, 834 u32 offset, void *dest, size_t size); 835 836 int sof_ipc_msg_data(struct snd_sof_dev *sdev, 837 struct snd_sof_pcm_stream *sps, 838 void *p, size_t sz); 839 int sof_set_stream_data_offset(struct snd_sof_dev *sdev, 840 struct snd_sof_pcm_stream *sps, 841 size_t posn_offset); 842 843 int sof_stream_pcm_open(struct snd_sof_dev *sdev, 844 struct snd_pcm_substream *substream); 845 int sof_stream_pcm_close(struct snd_sof_dev *sdev, 846 struct snd_pcm_substream *substream); 847 848 /* SOF client support */ 849 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CLIENT) 850 int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, u32 id, 851 const void *data, size_t size); 852 void sof_client_dev_unregister(struct snd_sof_dev *sdev, const char *name, u32 id); 853 int sof_register_clients(struct snd_sof_dev *sdev); 854 void sof_unregister_clients(struct snd_sof_dev *sdev); 855 void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf); 856 void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev); 857 int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state); 858 int sof_resume_clients(struct snd_sof_dev *sdev); 859 #else /* CONFIG_SND_SOC_SOF_CLIENT */ sof_client_dev_register(struct snd_sof_dev * sdev,const char * name,u32 id,const void * data,size_t size)860 static inline int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, 861 u32 id, const void *data, size_t size) 862 { 863 return 0; 864 } 865 sof_client_dev_unregister(struct snd_sof_dev * sdev,const char * name,u32 id)866 static inline void sof_client_dev_unregister(struct snd_sof_dev *sdev, 867 const char *name, u32 id) 868 { 869 } 870 sof_register_clients(struct snd_sof_dev * sdev)871 static inline int sof_register_clients(struct snd_sof_dev *sdev) 872 { 873 return 0; 874 } 875 sof_unregister_clients(struct snd_sof_dev * sdev)876 static inline void sof_unregister_clients(struct snd_sof_dev *sdev) 877 { 878 } 879 sof_client_ipc_rx_dispatcher(struct snd_sof_dev * sdev,void * msg_buf)880 static inline void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf) 881 { 882 } 883 sof_client_fw_state_dispatcher(struct snd_sof_dev * sdev)884 static inline void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev) 885 { 886 } 887 sof_suspend_clients(struct snd_sof_dev * sdev,pm_message_t state)888 static inline int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state) 889 { 890 return 0; 891 } 892 sof_resume_clients(struct snd_sof_dev * sdev)893 static inline int sof_resume_clients(struct snd_sof_dev *sdev) 894 { 895 return 0; 896 } 897 #endif /* CONFIG_SND_SOC_SOF_CLIENT */ 898 899 /* Main ops for IPC implementations */ 900 extern const struct sof_ipc_ops ipc3_ops; 901 extern const struct sof_ipc_ops ipc4_ops; 902 903 #endif 904