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. All rights reserved. 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 /* Flag definitions used in sof_core_debug (sof_debug module parameter) */ 24 #define SOF_DBG_ENABLE_TRACE BIT(0) 25 #define SOF_DBG_RETAIN_CTX BIT(1) /* prevent DSP D3 on FW exception */ 26 #define SOF_DBG_VERIFY_TPLG BIT(2) /* verify topology during load */ 27 #define SOF_DBG_DYNAMIC_PIPELINES_OVERRIDE BIT(3) /* 0: use topology token 28 * 1: override topology 29 */ 30 #define SOF_DBG_DYNAMIC_PIPELINES_ENABLE BIT(4) /* 0: use static pipelines 31 * 1: use dynamic pipelines 32 */ 33 #define SOF_DBG_DISABLE_MULTICORE BIT(5) /* schedule all pipelines/widgets 34 * on primary core 35 */ 36 #define SOF_DBG_PRINT_ALL_DUMPS BIT(6) /* Print all ipc and dsp dumps */ 37 #define SOF_DBG_IGNORE_D3_PERSISTENT BIT(7) /* ignore the DSP D3 persistent capability 38 * and always download firmware upon D3 exit 39 */ 40 41 /* Flag definitions used for controlling the DSP dump behavior */ 42 #define SOF_DBG_DUMP_REGS BIT(0) 43 #define SOF_DBG_DUMP_MBOX BIT(1) 44 #define SOF_DBG_DUMP_TEXT BIT(2) 45 #define SOF_DBG_DUMP_PCI BIT(3) 46 /* Output this dump (at the DEBUG level) only when SOF_DBG_PRINT_ALL_DUMPS is set */ 47 #define SOF_DBG_DUMP_OPTIONAL BIT(4) 48 49 /* global debug state set by SOF_DBG_ flags */ 50 bool sof_debug_check_flag(int mask); 51 52 /* max BARs mmaped devices can use */ 53 #define SND_SOF_BARS 8 54 55 /* time in ms for runtime suspend delay */ 56 #define SND_SOF_SUSPEND_DELAY_MS 2000 57 58 /* DMA buffer size for trace */ 59 #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16) 60 61 #define SOF_IPC_DSP_REPLY 0 62 #define SOF_IPC_HOST_REPLY 1 63 64 /* convenience constructor for DAI driver streams */ 65 #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \ 66 {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \ 67 .rates = srates, .formats = sfmt} 68 69 #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ 70 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT) 71 72 /* So far the primary core on all DSPs has ID 0 */ 73 #define SOF_DSP_PRIMARY_CORE 0 74 75 /* max number of DSP cores */ 76 #define SOF_MAX_DSP_NUM_CORES 8 77 78 struct sof_dsp_power_state { 79 u32 state; 80 u32 substate; /* platform-specific */ 81 }; 82 83 /* System suspend target state */ 84 enum sof_system_suspend_state { 85 SOF_SUSPEND_NONE = 0, 86 SOF_SUSPEND_S0IX, 87 SOF_SUSPEND_S3, 88 }; 89 90 enum sof_dfsentry_type { 91 SOF_DFSENTRY_TYPE_IOMEM = 0, 92 SOF_DFSENTRY_TYPE_BUF, 93 }; 94 95 enum sof_debugfs_access_type { 96 SOF_DEBUGFS_ACCESS_ALWAYS = 0, 97 SOF_DEBUGFS_ACCESS_D0_ONLY, 98 }; 99 100 struct snd_sof_dev; 101 struct snd_sof_ipc_msg; 102 struct snd_sof_ipc; 103 struct snd_sof_debugfs_map; 104 struct snd_soc_tplg_ops; 105 struct snd_soc_component; 106 struct snd_sof_pdata; 107 108 /* 109 * SOF DSP HW abstraction operations. 110 * Used to abstract DSP HW architecture and any IO busses between host CPU 111 * and DSP device(s). 112 */ 113 struct snd_sof_dsp_ops { 114 115 /* probe/remove/shutdown */ 116 int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */ 117 int (*remove)(struct snd_sof_dev *sof_dev); /* optional */ 118 int (*shutdown)(struct snd_sof_dev *sof_dev); /* optional */ 119 120 /* DSP core boot / reset */ 121 int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */ 122 int (*stall)(struct snd_sof_dev *sof_dev, unsigned int core_mask); /* optional */ 123 int (*reset)(struct snd_sof_dev *sof_dev); /* optional */ 124 int (*core_get)(struct snd_sof_dev *sof_dev, int core); /* optional */ 125 int (*core_put)(struct snd_sof_dev *sof_dev, int core); /* optional */ 126 127 /* 128 * Register IO: only used by respective drivers themselves, 129 * TODO: consider removing these operations and calling respective 130 * implementations directly 131 */ 132 void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr, 133 u32 value); /* optional */ 134 u32 (*read)(struct snd_sof_dev *sof_dev, 135 void __iomem *addr); /* optional */ 136 void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr, 137 u64 value); /* optional */ 138 u64 (*read64)(struct snd_sof_dev *sof_dev, 139 void __iomem *addr); /* optional */ 140 141 /* memcpy IO */ 142 int (*block_read)(struct snd_sof_dev *sof_dev, 143 enum snd_sof_fw_blk_type type, u32 offset, 144 void *dest, size_t size); /* mandatory */ 145 int (*block_write)(struct snd_sof_dev *sof_dev, 146 enum snd_sof_fw_blk_type type, u32 offset, 147 void *src, size_t size); /* mandatory */ 148 149 /* Mailbox IO */ 150 void (*mailbox_read)(struct snd_sof_dev *sof_dev, 151 u32 offset, void *dest, 152 size_t size); /* optional */ 153 void (*mailbox_write)(struct snd_sof_dev *sof_dev, 154 u32 offset, void *src, 155 size_t size); /* optional */ 156 157 /* doorbell */ 158 irqreturn_t (*irq_handler)(int irq, void *context); /* optional */ 159 irqreturn_t (*irq_thread)(int irq, void *context); /* optional */ 160 161 /* ipc */ 162 int (*send_msg)(struct snd_sof_dev *sof_dev, 163 struct snd_sof_ipc_msg *msg); /* mandatory */ 164 165 /* FW loading */ 166 int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */ 167 int (*load_module)(struct snd_sof_dev *sof_dev, 168 struct snd_sof_mod_hdr *hdr); /* optional */ 169 /* 170 * FW ready checks for ABI compatibility and creates 171 * memory windows at first boot 172 */ 173 int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */ 174 175 /* connect pcm substream to a host stream */ 176 int (*pcm_open)(struct snd_sof_dev *sdev, 177 struct snd_pcm_substream *substream); /* optional */ 178 /* disconnect pcm substream to a host stream */ 179 int (*pcm_close)(struct snd_sof_dev *sdev, 180 struct snd_pcm_substream *substream); /* optional */ 181 182 /* host stream hw params */ 183 int (*pcm_hw_params)(struct snd_sof_dev *sdev, 184 struct snd_pcm_substream *substream, 185 struct snd_pcm_hw_params *params, 186 struct sof_ipc_stream_params *ipc_params); /* optional */ 187 188 /* host stream hw_free */ 189 int (*pcm_hw_free)(struct snd_sof_dev *sdev, 190 struct snd_pcm_substream *substream); /* optional */ 191 192 /* host stream trigger */ 193 int (*pcm_trigger)(struct snd_sof_dev *sdev, 194 struct snd_pcm_substream *substream, 195 int cmd); /* optional */ 196 197 /* host stream pointer */ 198 snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev, 199 struct snd_pcm_substream *substream); /* optional */ 200 201 /* pcm ack */ 202 int (*pcm_ack)(struct snd_sof_dev *sdev, struct snd_pcm_substream *substream); /* optional */ 203 204 /* host read DSP stream data */ 205 int (*ipc_msg_data)(struct snd_sof_dev *sdev, 206 struct snd_pcm_substream *substream, 207 void *p, size_t sz); /* mandatory */ 208 209 /* host configure DSP HW parameters */ 210 int (*ipc_pcm_params)(struct snd_sof_dev *sdev, 211 struct snd_pcm_substream *substream, 212 const struct sof_ipc_pcm_params_reply *reply); /* mandatory */ 213 214 /* pre/post firmware run */ 215 int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ 216 int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ 217 218 /* parse platform specific extended manifest, optional */ 219 int (*parse_platform_ext_manifest)(struct snd_sof_dev *sof_dev, 220 const struct sof_ext_man_elem_header *hdr); 221 222 /* DSP PM */ 223 int (*suspend)(struct snd_sof_dev *sof_dev, 224 u32 target_state); /* optional */ 225 int (*resume)(struct snd_sof_dev *sof_dev); /* optional */ 226 int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */ 227 int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */ 228 int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */ 229 int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */ 230 int (*set_power_state)(struct snd_sof_dev *sdev, 231 const struct sof_dsp_power_state *target_state); /* optional */ 232 233 /* DSP clocking */ 234 int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */ 235 236 /* debug */ 237 const struct snd_sof_debugfs_map *debug_map; /* optional */ 238 int debug_map_count; /* optional */ 239 void (*dbg_dump)(struct snd_sof_dev *sof_dev, 240 u32 flags); /* optional */ 241 void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */ 242 int (*debugfs_add_region_item)(struct snd_sof_dev *sdev, 243 enum snd_sof_fw_blk_type blk_type, u32 offset, 244 size_t size, const char *name, 245 enum sof_debugfs_access_type access_type); /* optional */ 246 247 /* host DMA trace initialization */ 248 int (*trace_init)(struct snd_sof_dev *sdev, 249 struct sof_ipc_dma_trace_params_ext *dtrace_params); /* optional */ 250 int (*trace_release)(struct snd_sof_dev *sdev); /* optional */ 251 int (*trace_trigger)(struct snd_sof_dev *sdev, 252 int cmd); /* optional */ 253 254 /* misc */ 255 int (*get_bar_index)(struct snd_sof_dev *sdev, 256 u32 type); /* optional */ 257 int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */ 258 int (*get_window_offset)(struct snd_sof_dev *sdev, 259 u32 id);/* mandatory for common loader code */ 260 261 /* machine driver ops */ 262 int (*machine_register)(struct snd_sof_dev *sdev, 263 void *pdata); /* optional */ 264 void (*machine_unregister)(struct snd_sof_dev *sdev, 265 void *pdata); /* optional */ 266 struct snd_soc_acpi_mach * (*machine_select)(struct snd_sof_dev *sdev); /* optional */ 267 void (*set_mach_params)(struct snd_soc_acpi_mach *mach, 268 struct snd_sof_dev *sdev); /* optional */ 269 270 /* IPC client ops */ 271 int (*register_ipc_clients)(struct snd_sof_dev *sdev); /* optional */ 272 void (*unregister_ipc_clients)(struct snd_sof_dev *sdev); /* optional */ 273 274 /* DAI ops */ 275 struct snd_soc_dai_driver *drv; 276 int num_drv; 277 278 /* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */ 279 u32 hw_info; 280 281 const struct dsp_arch_ops *dsp_arch_ops; 282 }; 283 284 /* DSP architecture specific callbacks for oops and stack dumps */ 285 struct dsp_arch_ops { 286 void (*dsp_oops)(struct snd_sof_dev *sdev, const char *level, void *oops); 287 void (*dsp_stack)(struct snd_sof_dev *sdev, const char *level, void *oops, 288 u32 *stack, u32 stack_words); 289 }; 290 291 #define sof_dsp_arch_ops(sdev) ((sdev)->pdata->desc->ops->dsp_arch_ops) 292 293 /* FS entry for debug files that can expose DSP memories, registers */ 294 struct snd_sof_dfsentry { 295 size_t size; 296 size_t buf_data_size; /* length of buffered data for file read operation */ 297 enum sof_dfsentry_type type; 298 /* 299 * access_type specifies if the 300 * memory -> DSP resource (memory, register etc) is always accessible 301 * or if it is accessible only when the DSP is in D0. 302 */ 303 enum sof_debugfs_access_type access_type; 304 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) 305 char *cache_buf; /* buffer to cache the contents of debugfs memory */ 306 #endif 307 struct snd_sof_dev *sdev; 308 struct list_head list; /* list in sdev dfsentry list */ 309 union { 310 void __iomem *io_mem; 311 void *buf; 312 }; 313 }; 314 315 /* Debug mapping for any DSP memory or registers that can used for debug */ 316 struct snd_sof_debugfs_map { 317 const char *name; 318 u32 bar; 319 u32 offset; 320 u32 size; 321 /* 322 * access_type specifies if the memory is always accessible 323 * or if it is accessible only when the DSP is in D0. 324 */ 325 enum sof_debugfs_access_type access_type; 326 }; 327 328 /* mailbox descriptor, used for host <-> DSP IPC */ 329 struct snd_sof_mailbox { 330 u32 offset; 331 size_t size; 332 }; 333 334 /* IPC message descriptor for host <-> DSP IO */ 335 struct snd_sof_ipc_msg { 336 /* message data */ 337 u32 header; 338 void *msg_data; 339 void *reply_data; 340 size_t msg_size; 341 size_t reply_size; 342 int reply_error; 343 344 wait_queue_head_t waitq; 345 bool ipc_complete; 346 }; 347 348 /* 349 * SOF Device Level. 350 */ 351 struct snd_sof_dev { 352 struct device *dev; 353 spinlock_t ipc_lock; /* lock for IPC users */ 354 spinlock_t hw_lock; /* lock for HW IO access */ 355 356 /* 357 * ASoC components. plat_drv fields are set dynamically so 358 * can't use const 359 */ 360 struct snd_soc_component_driver plat_drv; 361 362 /* current DSP power state */ 363 struct sof_dsp_power_state dsp_power_state; 364 /* mutex to protect the dsp_power_state access */ 365 struct mutex power_state_access; 366 367 /* Intended power target of system suspend */ 368 enum sof_system_suspend_state system_suspend_target; 369 370 /* DSP firmware boot */ 371 wait_queue_head_t boot_wait; 372 enum sof_fw_state fw_state; 373 bool first_boot; 374 375 /* work queue in case the probe is implemented in two steps */ 376 struct work_struct probe_work; 377 bool probe_completed; 378 379 /* DSP HW differentiation */ 380 struct snd_sof_pdata *pdata; 381 382 /* IPC */ 383 struct snd_sof_ipc *ipc; 384 struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */ 385 struct snd_sof_mailbox host_box; /* Host initiated IPC */ 386 struct snd_sof_mailbox stream_box; /* Stream position update */ 387 struct snd_sof_mailbox debug_box; /* Debug info updates */ 388 struct snd_sof_ipc_msg *msg; 389 int ipc_irq; 390 u32 next_comp_id; /* monotonic - reset during S3 */ 391 392 /* memory bases for mmaped DSPs - set by dsp_init() */ 393 void __iomem *bar[SND_SOF_BARS]; /* DSP base address */ 394 int mmio_bar; 395 int mailbox_bar; 396 size_t dsp_oops_offset; 397 398 /* debug */ 399 struct dentry *debugfs_root; 400 struct list_head dfsentry_list; 401 bool dbg_dump_printed; 402 bool ipc_dump_printed; 403 404 /* firmware loader */ 405 struct snd_dma_buffer dmab; 406 struct snd_dma_buffer dmab_bdl; 407 struct sof_ipc_fw_ready fw_ready; 408 struct sof_ipc_fw_version fw_version; 409 struct sof_ipc_cc_version *cc_version; 410 411 /* topology */ 412 struct snd_soc_tplg_ops *tplg_ops; 413 struct list_head pcm_list; 414 struct list_head kcontrol_list; 415 struct list_head widget_list; 416 struct list_head dai_list; 417 struct list_head route_list; 418 struct snd_soc_component *component; 419 u32 enabled_cores_mask; /* keep track of enabled cores */ 420 421 /* FW configuration */ 422 struct sof_ipc_window *info_window; 423 424 /* IPC timeouts in ms */ 425 int ipc_timeout; 426 int boot_timeout; 427 428 /* DMA for Trace */ 429 struct snd_dma_buffer dmatb; 430 struct snd_dma_buffer dmatp; 431 int dma_trace_pages; 432 wait_queue_head_t trace_sleep; 433 u32 host_offset; 434 bool dtrace_is_supported; /* set with Kconfig or module parameter */ 435 bool dtrace_is_enabled; 436 bool dtrace_error; 437 bool dtrace_draining; 438 439 bool msi_enabled; 440 441 /* DSP core context */ 442 u32 num_cores; 443 444 /* 445 * ref count per core that will be modified during system suspend/resume and during pcm 446 * hw_params/hw_free. This doesn't need to be protected with a mutex because pcm 447 * hw_params/hw_free are already protected by the PCM mutex in the ALSA framework in 448 * sound/core/ when streams are active and during system suspend/resume, streams are 449 * already suspended. 450 */ 451 int dsp_core_ref_count[SOF_MAX_DSP_NUM_CORES]; 452 453 /* 454 * Used to keep track of registered IPC client devices so that they can 455 * be removed when the parent SOF module is removed. 456 */ 457 struct list_head ipc_client_list; 458 459 /* mutex to protect client list */ 460 struct mutex ipc_client_mutex; 461 462 /* 463 * Used for tracking the IPC client's RX registration for DSP initiated 464 * message handling. 465 */ 466 struct list_head ipc_rx_handler_list; 467 468 /* 469 * Used for tracking the IPC client's registration for DSP state change 470 * notification 471 */ 472 struct list_head fw_state_handler_list; 473 474 /* to protect the ipc_rx_handler_list and dsp_state_handler_list list */ 475 struct mutex client_event_handler_mutex; 476 477 void *private; /* core does not touch this */ 478 }; 479 480 /* 481 * Device Level. 482 */ 483 484 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data); 485 int snd_sof_device_remove(struct device *dev); 486 int snd_sof_device_shutdown(struct device *dev); 487 bool snd_sof_device_probe_completed(struct device *dev); 488 489 int snd_sof_runtime_suspend(struct device *dev); 490 int snd_sof_runtime_resume(struct device *dev); 491 int snd_sof_runtime_idle(struct device *dev); 492 int snd_sof_resume(struct device *dev); 493 int snd_sof_suspend(struct device *dev); 494 int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev); 495 int snd_sof_prepare(struct device *dev); 496 void snd_sof_complete(struct device *dev); 497 498 void snd_sof_new_platform_drv(struct snd_sof_dev *sdev); 499 500 /* 501 * Firmware loading. 502 */ 503 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev); 504 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev); 505 int snd_sof_run_firmware(struct snd_sof_dev *sdev); 506 int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev, 507 struct snd_sof_mod_hdr *module); 508 void snd_sof_fw_unload(struct snd_sof_dev *sdev); 509 510 /* 511 * IPC low level APIs. 512 */ 513 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev); 514 void snd_sof_ipc_free(struct snd_sof_dev *sdev); 515 void snd_sof_ipc_get_reply(struct snd_sof_dev *sdev); 516 void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id); 517 void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev); 518 int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev, 519 struct sof_ipc_pcm_params *params); 520 int snd_sof_ipc_valid(struct snd_sof_dev *sdev); 521 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header, 522 void *msg_data, size_t msg_bytes, void *reply_data, 523 size_t reply_bytes); 524 int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header, 525 void *msg_data, size_t msg_bytes, 526 void *reply_data, size_t reply_bytes); 527 int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev); 528 static inline void snd_sof_ipc_process_reply(struct snd_sof_dev *sdev, u32 msg_id) 529 { 530 snd_sof_ipc_get_reply(sdev); 531 snd_sof_ipc_reply(sdev, msg_id); 532 } 533 534 /* 535 * Trace/debug 536 */ 537 int snd_sof_init_trace(struct snd_sof_dev *sdev); 538 void snd_sof_release_trace(struct snd_sof_dev *sdev); 539 void snd_sof_free_trace(struct snd_sof_dev *sdev); 540 int snd_sof_dbg_init(struct snd_sof_dev *sdev); 541 void snd_sof_free_debug(struct snd_sof_dev *sdev); 542 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, 543 void *base, size_t size, 544 const char *name, mode_t mode); 545 int snd_sof_trace_update_pos(struct snd_sof_dev *sdev, 546 struct sof_ipc_dma_trace_posn *posn); 547 void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev); 548 void sof_print_oops_and_stack(struct snd_sof_dev *sdev, const char *level, 549 u32 panic_code, u32 tracep_code, void *oops, 550 struct sof_ipc_panic_info *panic_info, 551 void *stack, size_t stack_words); 552 int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev); 553 void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev); 554 int snd_sof_dbg_memory_info_init(struct snd_sof_dev *sdev); 555 int snd_sof_debugfs_add_region_item_iomem(struct snd_sof_dev *sdev, 556 enum snd_sof_fw_blk_type blk_type, u32 offset, size_t size, 557 const char *name, enum sof_debugfs_access_type access_type); 558 559 /* 560 * DSP Architectures. 561 */ 562 static inline void sof_stack(struct snd_sof_dev *sdev, const char *level, 563 void *oops, u32 *stack, u32 stack_words) 564 { 565 sof_dsp_arch_ops(sdev)->dsp_stack(sdev, level, oops, stack, 566 stack_words); 567 } 568 569 static inline void sof_oops(struct snd_sof_dev *sdev, const char *level, void *oops) 570 { 571 if (sof_dsp_arch_ops(sdev)->dsp_oops) 572 sof_dsp_arch_ops(sdev)->dsp_oops(sdev, level, oops); 573 } 574 575 extern const struct dsp_arch_ops sof_xtensa_arch_ops; 576 577 /* 578 * Firmware state tracking 579 */ 580 void sof_set_fw_state(struct snd_sof_dev *sdev, enum sof_fw_state new_state); 581 582 /* 583 * Utilities 584 */ 585 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value); 586 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value); 587 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr); 588 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr); 589 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset, 590 void *message, size_t bytes); 591 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset, 592 void *message, size_t bytes); 593 int sof_block_write(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, 594 u32 offset, void *src, size_t size); 595 int sof_block_read(struct snd_sof_dev *sdev, enum snd_sof_fw_blk_type blk_type, 596 u32 offset, void *dest, size_t size); 597 598 int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id); 599 600 int sof_ipc_msg_data(struct snd_sof_dev *sdev, 601 struct snd_pcm_substream *substream, 602 void *p, size_t sz); 603 int sof_ipc_pcm_params(struct snd_sof_dev *sdev, 604 struct snd_pcm_substream *substream, 605 const struct sof_ipc_pcm_params_reply *reply); 606 607 int sof_stream_pcm_open(struct snd_sof_dev *sdev, 608 struct snd_pcm_substream *substream); 609 int sof_stream_pcm_close(struct snd_sof_dev *sdev, 610 struct snd_pcm_substream *substream); 611 612 int sof_machine_check(struct snd_sof_dev *sdev); 613 614 /* SOF client support */ 615 #if IS_ENABLED(CONFIG_SND_SOC_SOF_CLIENT) 616 int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, u32 id, 617 const void *data, size_t size); 618 void sof_client_dev_unregister(struct snd_sof_dev *sdev, const char *name, u32 id); 619 int sof_register_clients(struct snd_sof_dev *sdev); 620 void sof_unregister_clients(struct snd_sof_dev *sdev); 621 void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf); 622 void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev); 623 int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state); 624 int sof_resume_clients(struct snd_sof_dev *sdev); 625 #else /* CONFIG_SND_SOC_SOF_CLIENT */ 626 static inline int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, 627 u32 id, const void *data, size_t size) 628 { 629 return 0; 630 } 631 632 static inline void sof_client_dev_unregister(struct snd_sof_dev *sdev, 633 const char *name, u32 id) 634 { 635 } 636 637 static inline int sof_register_clients(struct snd_sof_dev *sdev) 638 { 639 return 0; 640 } 641 642 static inline void sof_unregister_clients(struct snd_sof_dev *sdev) 643 { 644 } 645 646 static inline void sof_client_ipc_rx_dispatcher(struct snd_sof_dev *sdev, void *msg_buf) 647 { 648 } 649 650 static inline void sof_client_fw_state_dispatcher(struct snd_sof_dev *sdev) 651 { 652 } 653 654 static inline int sof_suspend_clients(struct snd_sof_dev *sdev, pm_message_t state) 655 { 656 return 0; 657 } 658 659 static inline int sof_resume_clients(struct snd_sof_dev *sdev) 660 { 661 return 0; 662 } 663 #endif /* CONFIG_SND_SOC_SOF_CLIENT */ 664 665 #endif 666