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 22 /* debug flags */ 23 #define SOF_DBG_ENABLE_TRACE BIT(0) 24 #define SOF_DBG_REGS BIT(1) 25 #define SOF_DBG_MBOX BIT(2) 26 #define SOF_DBG_TEXT BIT(3) 27 #define SOF_DBG_PCI BIT(4) 28 #define SOF_DBG_RETAIN_CTX BIT(5) /* prevent DSP D3 on FW exception */ 29 30 /* global debug state set by SOF_DBG_ flags */ 31 extern int sof_core_debug; 32 33 /* max BARs mmaped devices can use */ 34 #define SND_SOF_BARS 8 35 36 /* time in ms for runtime suspend delay */ 37 #define SND_SOF_SUSPEND_DELAY_MS 2000 38 39 /* DMA buffer size for trace */ 40 #define DMA_BUF_SIZE_FOR_TRACE (PAGE_SIZE * 16) 41 42 #define SOF_IPC_DSP_REPLY 0 43 #define SOF_IPC_HOST_REPLY 1 44 45 /* convenience constructor for DAI driver streams */ 46 #define SOF_DAI_STREAM(sname, scmin, scmax, srates, sfmt) \ 47 {.stream_name = sname, .channels_min = scmin, .channels_max = scmax, \ 48 .rates = srates, .formats = sfmt} 49 50 #define SOF_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \ 51 SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT) 52 53 #define ENABLE_DEBUGFS_CACHEBUF \ 54 (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE) || \ 55 IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_FLOOD_TEST)) 56 57 /* DSP power state */ 58 enum sof_dsp_power_states { 59 SOF_DSP_PM_D0, 60 SOF_DSP_PM_D1, 61 SOF_DSP_PM_D2, 62 SOF_DSP_PM_D3_HOT, 63 SOF_DSP_PM_D3, 64 SOF_DSP_PM_D3_COLD, 65 }; 66 67 struct sof_dsp_power_state { 68 u32 state; 69 u32 substate; /* platform-specific */ 70 }; 71 72 /* System suspend target state */ 73 enum sof_system_suspend_state { 74 SOF_SUSPEND_NONE = 0, 75 SOF_SUSPEND_S0IX, 76 SOF_SUSPEND_S3, 77 }; 78 79 struct snd_sof_dev; 80 struct snd_sof_ipc_msg; 81 struct snd_sof_ipc; 82 struct snd_sof_debugfs_map; 83 struct snd_soc_tplg_ops; 84 struct snd_soc_component; 85 struct snd_sof_pdata; 86 87 /* 88 * SOF DSP HW abstraction operations. 89 * Used to abstract DSP HW architecture and any IO busses between host CPU 90 * and DSP device(s). 91 */ 92 struct snd_sof_dsp_ops { 93 94 /* probe and remove */ 95 int (*probe)(struct snd_sof_dev *sof_dev); /* mandatory */ 96 int (*remove)(struct snd_sof_dev *sof_dev); /* optional */ 97 98 /* DSP core boot / reset */ 99 int (*run)(struct snd_sof_dev *sof_dev); /* mandatory */ 100 int (*stall)(struct snd_sof_dev *sof_dev); /* optional */ 101 int (*reset)(struct snd_sof_dev *sof_dev); /* optional */ 102 int (*core_power_up)(struct snd_sof_dev *sof_dev, 103 unsigned int core_mask); /* optional */ 104 int (*core_power_down)(struct snd_sof_dev *sof_dev, 105 unsigned int core_mask); /* optional */ 106 107 /* 108 * Register IO: only used by respective drivers themselves, 109 * TODO: consider removing these operations and calling respective 110 * implementations directly 111 */ 112 void (*write)(struct snd_sof_dev *sof_dev, void __iomem *addr, 113 u32 value); /* optional */ 114 u32 (*read)(struct snd_sof_dev *sof_dev, 115 void __iomem *addr); /* optional */ 116 void (*write64)(struct snd_sof_dev *sof_dev, void __iomem *addr, 117 u64 value); /* optional */ 118 u64 (*read64)(struct snd_sof_dev *sof_dev, 119 void __iomem *addr); /* optional */ 120 121 /* memcpy IO */ 122 void (*block_read)(struct snd_sof_dev *sof_dev, u32 bar, 123 u32 offset, void *dest, 124 size_t size); /* mandatory */ 125 void (*block_write)(struct snd_sof_dev *sof_dev, u32 bar, 126 u32 offset, void *src, 127 size_t size); /* mandatory */ 128 129 /* doorbell */ 130 irqreturn_t (*irq_handler)(int irq, void *context); /* optional */ 131 irqreturn_t (*irq_thread)(int irq, void *context); /* optional */ 132 133 /* ipc */ 134 int (*send_msg)(struct snd_sof_dev *sof_dev, 135 struct snd_sof_ipc_msg *msg); /* mandatory */ 136 137 /* FW loading */ 138 int (*load_firmware)(struct snd_sof_dev *sof_dev); /* mandatory */ 139 int (*load_module)(struct snd_sof_dev *sof_dev, 140 struct snd_sof_mod_hdr *hdr); /* optional */ 141 /* 142 * FW ready checks for ABI compatibility and creates 143 * memory windows at first boot 144 */ 145 int (*fw_ready)(struct snd_sof_dev *sdev, u32 msg_id); /* mandatory */ 146 147 /* connect pcm substream to a host stream */ 148 int (*pcm_open)(struct snd_sof_dev *sdev, 149 struct snd_pcm_substream *substream); /* optional */ 150 /* disconnect pcm substream to a host stream */ 151 int (*pcm_close)(struct snd_sof_dev *sdev, 152 struct snd_pcm_substream *substream); /* optional */ 153 154 /* host stream hw params */ 155 int (*pcm_hw_params)(struct snd_sof_dev *sdev, 156 struct snd_pcm_substream *substream, 157 struct snd_pcm_hw_params *params, 158 struct sof_ipc_stream_params *ipc_params); /* optional */ 159 160 /* host stream hw_free */ 161 int (*pcm_hw_free)(struct snd_sof_dev *sdev, 162 struct snd_pcm_substream *substream); /* optional */ 163 164 /* host stream trigger */ 165 int (*pcm_trigger)(struct snd_sof_dev *sdev, 166 struct snd_pcm_substream *substream, 167 int cmd); /* optional */ 168 169 /* host stream pointer */ 170 snd_pcm_uframes_t (*pcm_pointer)(struct snd_sof_dev *sdev, 171 struct snd_pcm_substream *substream); /* optional */ 172 173 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) 174 /* Except for probe_pointer, all probe ops are mandatory */ 175 int (*probe_assign)(struct snd_sof_dev *sdev, 176 struct snd_compr_stream *cstream, 177 struct snd_soc_dai *dai); /* mandatory */ 178 int (*probe_free)(struct snd_sof_dev *sdev, 179 struct snd_compr_stream *cstream, 180 struct snd_soc_dai *dai); /* mandatory */ 181 int (*probe_set_params)(struct snd_sof_dev *sdev, 182 struct snd_compr_stream *cstream, 183 struct snd_compr_params *params, 184 struct snd_soc_dai *dai); /* mandatory */ 185 int (*probe_trigger)(struct snd_sof_dev *sdev, 186 struct snd_compr_stream *cstream, int cmd, 187 struct snd_soc_dai *dai); /* mandatory */ 188 int (*probe_pointer)(struct snd_sof_dev *sdev, 189 struct snd_compr_stream *cstream, 190 struct snd_compr_tstamp *tstamp, 191 struct snd_soc_dai *dai); /* optional */ 192 #endif 193 194 /* host read DSP stream data */ 195 void (*ipc_msg_data)(struct snd_sof_dev *sdev, 196 struct snd_pcm_substream *substream, 197 void *p, size_t sz); /* mandatory */ 198 199 /* host configure DSP HW parameters */ 200 int (*ipc_pcm_params)(struct snd_sof_dev *sdev, 201 struct snd_pcm_substream *substream, 202 const struct sof_ipc_pcm_params_reply *reply); /* mandatory */ 203 204 /* pre/post firmware run */ 205 int (*pre_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ 206 int (*post_fw_run)(struct snd_sof_dev *sof_dev); /* optional */ 207 208 /* DSP PM */ 209 int (*suspend)(struct snd_sof_dev *sof_dev, 210 u32 target_state); /* optional */ 211 int (*resume)(struct snd_sof_dev *sof_dev); /* optional */ 212 int (*runtime_suspend)(struct snd_sof_dev *sof_dev); /* optional */ 213 int (*runtime_resume)(struct snd_sof_dev *sof_dev); /* optional */ 214 int (*runtime_idle)(struct snd_sof_dev *sof_dev); /* optional */ 215 int (*set_hw_params_upon_resume)(struct snd_sof_dev *sdev); /* optional */ 216 int (*set_power_state)(struct snd_sof_dev *sdev, 217 const struct sof_dsp_power_state *target_state); /* optional */ 218 219 /* DSP clocking */ 220 int (*set_clk)(struct snd_sof_dev *sof_dev, u32 freq); /* optional */ 221 222 /* debug */ 223 const struct snd_sof_debugfs_map *debug_map; /* optional */ 224 int debug_map_count; /* optional */ 225 void (*dbg_dump)(struct snd_sof_dev *sof_dev, 226 u32 flags); /* optional */ 227 void (*ipc_dump)(struct snd_sof_dev *sof_dev); /* optional */ 228 229 /* host DMA trace initialization */ 230 int (*trace_init)(struct snd_sof_dev *sdev, 231 u32 *stream_tag); /* optional */ 232 int (*trace_release)(struct snd_sof_dev *sdev); /* optional */ 233 int (*trace_trigger)(struct snd_sof_dev *sdev, 234 int cmd); /* optional */ 235 236 /* misc */ 237 int (*get_bar_index)(struct snd_sof_dev *sdev, 238 u32 type); /* optional */ 239 int (*get_mailbox_offset)(struct snd_sof_dev *sdev);/* mandatory for common loader code */ 240 int (*get_window_offset)(struct snd_sof_dev *sdev, 241 u32 id);/* mandatory for common loader code */ 242 243 /* machine driver ops */ 244 int (*machine_register)(struct snd_sof_dev *sdev, 245 void *pdata); /* optional */ 246 void (*machine_unregister)(struct snd_sof_dev *sdev, 247 void *pdata); /* optional */ 248 void (*machine_select)(struct snd_sof_dev *sdev); /* optional */ 249 void (*set_mach_params)(const struct snd_soc_acpi_mach *mach, 250 struct device *dev); /* optional */ 251 252 /* DAI ops */ 253 struct snd_soc_dai_driver *drv; 254 int num_drv; 255 256 /* ALSA HW info flags, will be stored in snd_pcm_runtime.hw.info */ 257 u32 hw_info; 258 259 const struct sof_arch_ops *arch_ops; 260 }; 261 262 /* DSP architecture specific callbacks for oops and stack dumps */ 263 struct sof_arch_ops { 264 void (*dsp_oops)(struct snd_sof_dev *sdev, void *oops); 265 void (*dsp_stack)(struct snd_sof_dev *sdev, void *oops, 266 u32 *stack, u32 stack_words); 267 }; 268 269 #define sof_arch_ops(sdev) ((sdev)->pdata->desc->ops->arch_ops) 270 271 /* DSP device HW descriptor mapping between bus ID and ops */ 272 struct sof_ops_table { 273 const struct sof_dev_desc *desc; 274 const struct snd_sof_dsp_ops *ops; 275 }; 276 277 enum sof_dfsentry_type { 278 SOF_DFSENTRY_TYPE_IOMEM = 0, 279 SOF_DFSENTRY_TYPE_BUF, 280 }; 281 282 enum sof_debugfs_access_type { 283 SOF_DEBUGFS_ACCESS_ALWAYS = 0, 284 SOF_DEBUGFS_ACCESS_D0_ONLY, 285 }; 286 287 /* FS entry for debug files that can expose DSP memories, registers */ 288 struct snd_sof_dfsentry { 289 size_t size; 290 enum sof_dfsentry_type type; 291 /* 292 * access_type specifies if the 293 * memory -> DSP resource (memory, register etc) is always accessible 294 * or if it is accessible only when the DSP is in D0. 295 */ 296 enum sof_debugfs_access_type access_type; 297 #if ENABLE_DEBUGFS_CACHEBUF 298 char *cache_buf; /* buffer to cache the contents of debugfs memory */ 299 #endif 300 struct snd_sof_dev *sdev; 301 struct list_head list; /* list in sdev dfsentry list */ 302 union { 303 void __iomem *io_mem; 304 void *buf; 305 }; 306 }; 307 308 /* Debug mapping for any DSP memory or registers that can used for debug */ 309 struct snd_sof_debugfs_map { 310 const char *name; 311 u32 bar; 312 u32 offset; 313 u32 size; 314 /* 315 * access_type specifies if the memory is always accessible 316 * or if it is accessible only when the DSP is in D0. 317 */ 318 enum sof_debugfs_access_type access_type; 319 }; 320 321 /* mailbox descriptor, used for host <-> DSP IPC */ 322 struct snd_sof_mailbox { 323 u32 offset; 324 size_t size; 325 }; 326 327 /* IPC message descriptor for host <-> DSP IO */ 328 struct snd_sof_ipc_msg { 329 /* message data */ 330 u32 header; 331 void *msg_data; 332 void *reply_data; 333 size_t msg_size; 334 size_t reply_size; 335 int reply_error; 336 337 wait_queue_head_t waitq; 338 bool ipc_complete; 339 }; 340 341 enum snd_sof_fw_state { 342 SOF_FW_BOOT_NOT_STARTED = 0, 343 SOF_FW_BOOT_PREPARE, 344 SOF_FW_BOOT_IN_PROGRESS, 345 SOF_FW_BOOT_FAILED, 346 SOF_FW_BOOT_READY_FAILED, /* firmware booted but fw_ready op failed */ 347 SOF_FW_BOOT_COMPLETE, 348 }; 349 350 /* 351 * SOF Device Level. 352 */ 353 struct snd_sof_dev { 354 struct device *dev; 355 spinlock_t ipc_lock; /* lock for IPC users */ 356 spinlock_t hw_lock; /* lock for HW IO access */ 357 358 /* 359 * ASoC components. plat_drv fields are set dynamically so 360 * can't use const 361 */ 362 struct snd_soc_component_driver plat_drv; 363 364 /* current DSP power state */ 365 struct sof_dsp_power_state dsp_power_state; 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 snd_sof_fw_state fw_state; 373 u32 first_boot; 374 375 /* work queue in case the probe is implemented in two steps */ 376 struct work_struct probe_work; 377 378 /* DSP HW differentiation */ 379 struct snd_sof_pdata *pdata; 380 381 /* IPC */ 382 struct snd_sof_ipc *ipc; 383 struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */ 384 struct snd_sof_mailbox host_box; /* Host initiated IPC */ 385 struct snd_sof_mailbox stream_box; /* Stream position update */ 386 struct snd_sof_ipc_msg *msg; 387 int ipc_irq; 388 u32 next_comp_id; /* monotonic - reset during S3 */ 389 390 /* memory bases for mmaped DSPs - set by dsp_init() */ 391 void __iomem *bar[SND_SOF_BARS]; /* DSP base address */ 392 int mmio_bar; 393 int mailbox_bar; 394 size_t dsp_oops_offset; 395 396 /* debug */ 397 struct dentry *debugfs_root; 398 struct list_head dfsentry_list; 399 400 /* firmware loader */ 401 struct snd_dma_buffer dmab; 402 struct snd_dma_buffer dmab_bdl; 403 struct sof_ipc_fw_ready fw_ready; 404 struct sof_ipc_fw_version fw_version; 405 struct sof_ipc_cc_version *cc_version; 406 407 /* topology */ 408 struct snd_soc_tplg_ops *tplg_ops; 409 struct list_head pcm_list; 410 struct list_head kcontrol_list; 411 struct list_head widget_list; 412 struct list_head dai_list; 413 struct list_head route_list; 414 struct snd_soc_component *component; 415 u32 enabled_cores_mask; /* keep track of enabled cores */ 416 417 /* FW configuration */ 418 struct sof_ipc_window *info_window; 419 420 /* IPC timeouts in ms */ 421 int ipc_timeout; 422 int boot_timeout; 423 424 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_PROBES) 425 unsigned int extractor_stream_tag; 426 #endif 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 u32 dtrace_is_supported; /* set with Kconfig or module parameter */ 435 u32 dtrace_is_enabled; 436 u32 dtrace_error; 437 u32 dtrace_draining; 438 439 bool msi_enabled; 440 441 void *private; /* core does not touch this */ 442 }; 443 444 /* 445 * Device Level. 446 */ 447 448 int snd_sof_device_probe(struct device *dev, struct snd_sof_pdata *plat_data); 449 int snd_sof_device_remove(struct device *dev); 450 451 int snd_sof_runtime_suspend(struct device *dev); 452 int snd_sof_runtime_resume(struct device *dev); 453 int snd_sof_runtime_idle(struct device *dev); 454 int snd_sof_resume(struct device *dev); 455 int snd_sof_suspend(struct device *dev); 456 int snd_sof_dsp_power_down_notify(struct snd_sof_dev *sdev); 457 int snd_sof_prepare(struct device *dev); 458 void snd_sof_complete(struct device *dev); 459 460 void snd_sof_new_platform_drv(struct snd_sof_dev *sdev); 461 462 int snd_sof_create_page_table(struct device *dev, 463 struct snd_dma_buffer *dmab, 464 unsigned char *page_table, size_t size); 465 466 /* 467 * Firmware loading. 468 */ 469 int snd_sof_load_firmware(struct snd_sof_dev *sdev); 470 int snd_sof_load_firmware_raw(struct snd_sof_dev *sdev); 471 int snd_sof_load_firmware_memcpy(struct snd_sof_dev *sdev); 472 int snd_sof_run_firmware(struct snd_sof_dev *sdev); 473 int snd_sof_parse_module_memcpy(struct snd_sof_dev *sdev, 474 struct snd_sof_mod_hdr *module); 475 void snd_sof_fw_unload(struct snd_sof_dev *sdev); 476 int snd_sof_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 bar, u32 offset); 477 478 /* 479 * IPC low level APIs. 480 */ 481 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev); 482 void snd_sof_ipc_free(struct snd_sof_dev *sdev); 483 void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id); 484 void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev); 485 int snd_sof_ipc_stream_pcm_params(struct snd_sof_dev *sdev, 486 struct sof_ipc_pcm_params *params); 487 int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox, 488 size_t dspbox_size, u32 hostbox, 489 size_t hostbox_size); 490 int snd_sof_ipc_valid(struct snd_sof_dev *sdev); 491 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header, 492 void *msg_data, size_t msg_bytes, void *reply_data, 493 size_t reply_bytes); 494 int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header, 495 void *msg_data, size_t msg_bytes, 496 void *reply_data, size_t reply_bytes); 497 498 /* 499 * Trace/debug 500 */ 501 int snd_sof_init_trace(struct snd_sof_dev *sdev); 502 void snd_sof_release_trace(struct snd_sof_dev *sdev); 503 void snd_sof_free_trace(struct snd_sof_dev *sdev); 504 int snd_sof_dbg_init(struct snd_sof_dev *sdev); 505 void snd_sof_free_debug(struct snd_sof_dev *sdev); 506 int snd_sof_debugfs_io_item(struct snd_sof_dev *sdev, 507 void __iomem *base, size_t size, 508 const char *name, 509 enum sof_debugfs_access_type access_type); 510 int snd_sof_debugfs_buf_item(struct snd_sof_dev *sdev, 511 void *base, size_t size, 512 const char *name, mode_t mode); 513 int snd_sof_trace_update_pos(struct snd_sof_dev *sdev, 514 struct sof_ipc_dma_trace_posn *posn); 515 void snd_sof_trace_notify_for_error(struct snd_sof_dev *sdev); 516 void snd_sof_get_status(struct snd_sof_dev *sdev, u32 panic_code, 517 u32 tracep_code, void *oops, 518 struct sof_ipc_panic_info *panic_info, 519 void *stack, size_t stack_words); 520 int snd_sof_init_trace_ipc(struct snd_sof_dev *sdev); 521 void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev); 522 523 /* 524 * Platform specific ops. 525 */ 526 extern struct snd_compress_ops sof_compressed_ops; 527 528 /* 529 * DSP Architectures. 530 */ 531 static inline void sof_stack(struct snd_sof_dev *sdev, void *oops, u32 *stack, 532 u32 stack_words) 533 { 534 sof_arch_ops(sdev)->dsp_stack(sdev, oops, stack, stack_words); 535 } 536 537 static inline void sof_oops(struct snd_sof_dev *sdev, void *oops) 538 { 539 if (sof_arch_ops(sdev)->dsp_oops) 540 sof_arch_ops(sdev)->dsp_oops(sdev, oops); 541 } 542 543 extern const struct sof_arch_ops sof_xtensa_arch_ops; 544 545 /* 546 * Utilities 547 */ 548 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value); 549 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value); 550 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr); 551 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr); 552 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset, 553 void *message, size_t bytes); 554 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset, 555 void *message, size_t bytes); 556 void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src, 557 size_t size); 558 void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest, 559 size_t size); 560 561 int sof_fw_ready(struct snd_sof_dev *sdev, u32 msg_id); 562 563 void intel_ipc_msg_data(struct snd_sof_dev *sdev, 564 struct snd_pcm_substream *substream, 565 void *p, size_t sz); 566 int intel_ipc_pcm_params(struct snd_sof_dev *sdev, 567 struct snd_pcm_substream *substream, 568 const struct sof_ipc_pcm_params_reply *reply); 569 570 int intel_pcm_open(struct snd_sof_dev *sdev, 571 struct snd_pcm_substream *substream); 572 int intel_pcm_close(struct snd_sof_dev *sdev, 573 struct snd_pcm_substream *substream); 574 575 int sof_machine_check(struct snd_sof_dev *sdev); 576 577 #endif 578