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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 | /* SPDX-License-Identifier: GPL-2.0-only */ /* * sst.h - Intel SST Driver for audio engine * * Copyright (C) 2008-14 Intel Corporation * Authors: Vinod Koul <vinod.koul@intel.com> * Harsha Priya <priya.harsha@intel.com> * Dharageswari R <dharageswari.r@intel.com> * KP Jeeja <jeeja.kp@intel.com> * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * Common private declarations for SST */ #ifndef __SST_H__ #define __SST_H__ #include <linux/firmware.h> /* driver names */ #define SST_DRV_NAME "intel_sst_driver" #define SST_MRFLD_PCI_ID 0x119A #define SST_BYT_ACPI_ID 0x80860F28 #define SST_CHV_ACPI_ID 0x808622A8 #define SST_SUSPEND_DELAY 2000 #define FW_CONTEXT_MEM (64*1024) #define SST_ICCM_BOUNDARY 4 #define SST_CONFIG_SSP_SIGN 0x7ffe8001 #define MRFLD_FW_VIRTUAL_BASE 0xC0000000 #define MRFLD_FW_DDR_BASE_OFFSET 0x0 #define MRFLD_FW_FEATURE_BASE_OFFSET 0x4 #define MRFLD_FW_BSS_RESET_BIT 0 /* SST Shim register map */ #define SST_CSR 0x00 #define SST_ISRX 0x18 #define SST_IMRX 0x28 #define SST_IPCX 0x38 /* IPC IA -> SST */ #define SST_IPCD 0x40 /* IPC SST -> IA */ extern const struct dev_pm_ops intel_sst_pm; enum sst_states { SST_FW_LOADING = 1, SST_FW_RUNNING, SST_RESET, SST_SHUTDOWN, }; enum sst_algo_ops { SST_SET_ALGO = 0, SST_GET_ALGO = 1, }; #define SST_BLOCK_TIMEOUT 1000 #define FW_SIGNATURE_SIZE 4 #define FW_NAME_SIZE 32 /* stream states */ enum sst_stream_states { STREAM_UN_INIT = 0, /* Freed/Not used stream */ STREAM_RUNNING = 1, /* Running */ STREAM_PAUSED = 2, /* Paused stream */ STREAM_INIT = 3, /* stream init, waiting for data */ }; enum sst_ram_type { SST_IRAM = 1, SST_DRAM = 2, SST_DDR = 5, SST_CUSTOM_INFO = 7, /* consists of FW binary information */ }; /* SST shim registers to structure mapping */ union interrupt_reg { struct { u64 done_interrupt:1; u64 busy_interrupt:1; u64 rsvd:62; } part; u64 full; }; union sst_pisr_reg { struct { u32 pssp0:1; u32 pssp1:1; u32 rsvd0:3; u32 dmac:1; u32 rsvd1:26; } part; u32 full; }; union sst_pimr_reg { struct { u32 ssp0:1; u32 ssp1:1; u32 rsvd0:3; u32 dmac:1; u32 rsvd1:10; u32 ssp0_sc:1; u32 ssp1_sc:1; u32 rsvd2:3; u32 dmac_sc:1; u32 rsvd3:10; } part; u32 full; }; union config_status_reg_mrfld { struct { u64 lpe_reset:1; u64 lpe_reset_vector:1; u64 runstall:1; u64 pwaitmode:1; u64 clk_sel:3; u64 rsvd2:1; u64 sst_clk:3; u64 xt_snoop:1; u64 rsvd3:4; u64 clk_sel1:6; u64 clk_enable:3; u64 rsvd4:6; u64 slim0baseclk:1; u64 rsvd:32; } part; u64 full; }; union interrupt_reg_mrfld { struct { u64 done_interrupt:1; u64 busy_interrupt:1; u64 rsvd:62; } part; u64 full; }; union sst_imr_reg_mrfld { struct { u64 done_interrupt:1; u64 busy_interrupt:1; u64 rsvd:62; } part; u64 full; }; /** * struct sst_block - This structure is used to block a user/fw data call to another * fw/user call * * @condition: condition for blocking check * @ret_code: ret code when block is released * @data: data ptr * @size: size of data * @on: block condition * @msg_id: msg_id = msgid in mfld/ctp, mrfld = NULL * @drv_id: str_id in mfld/ctp, = drv_id in mrfld * @node: list head node */ struct sst_block { bool condition; int ret_code; void *data; u32 size; bool on; u32 msg_id; u32 drv_id; struct list_head node; }; /** * struct stream_info - structure that holds the stream information * * @status : stream current state * @prev : stream prev state * @resume_status : stream current state to restore on resume * @resume_prev : stream prev state to restore on resume * @lock : stream mutex for protecting state * @alloc_param : parameters used for stream (re-)allocation * @pcm_substream : PCM substream * @period_elapsed : PCM period elapsed callback * @sfreq : stream sampling freq * @cumm_bytes : cummulative bytes decoded */ struct stream_info { unsigned int status; unsigned int prev; unsigned int resume_status; unsigned int resume_prev; struct mutex lock; struct snd_sst_alloc_mrfld alloc_param; void *pcm_substream; void (*period_elapsed)(void *pcm_substream); unsigned int sfreq; u32 cumm_bytes; void *compr_cb_param; void (*compr_cb)(void *compr_cb_param); void *drain_cb_param; void (*drain_notify)(void *drain_cb_param); unsigned int num_ch; unsigned int pipe_id; unsigned int task_id; }; #define SST_FW_SIGN "$SST" #define SST_FW_LIB_SIGN "$LIB" /** * struct sst_fw_header - FW file headers * * @signature : FW signature * @file_size: size of fw image * @modules : # of modules * @file_format : version of header format * @reserved : reserved fields */ struct sst_fw_header { unsigned char signature[FW_SIGNATURE_SIZE]; u32 file_size; u32 modules; u32 file_format; u32 reserved[4]; }; /** * struct fw_module_header - module header in FW * * @signature: module signature * @mod_size: size of module * @blocks: block count * @type: block type * @entry_point: module netry point */ struct fw_module_header { unsigned char signature[FW_SIGNATURE_SIZE]; u32 mod_size; u32 blocks; u32 type; u32 entry_point; }; /** * struct fw_block_info - block header for FW * * @type: block ram type I/D * @size: size of block * @ram_offset: offset in ram */ struct fw_block_info { enum sst_ram_type type; u32 size; u32 ram_offset; u32 rsvd; }; struct sst_runtime_param { struct snd_sst_runtime_params param; }; struct sst_sg_list { struct scatterlist *src; struct scatterlist *dst; int list_len; unsigned int sg_idx; }; struct sst_memcpy_list { struct list_head memcpylist; void *dstn; const void *src; u32 size; bool is_io; }; /*Firmware Module Information*/ enum sst_lib_dwnld_status { SST_LIB_NOT_FOUND = 0, SST_LIB_FOUND, SST_LIB_DOWNLOADED, }; struct sst_module_info { const char *name; /*Library name*/ u32 id; /*Module ID*/ u32 entry_pt; /*Module entry point*/ u8 status; /*module status*/ u8 rsvd1; u16 rsvd2; }; /* * Structure for managing the Library Region(1.5MB) * in DDR in Merrifield */ struct sst_mem_mgr { phys_addr_t current_base; int avail; unsigned int count; }; struct sst_ipc_reg { int ipcx; int ipcd; }; struct sst_fw_save { void *iram; /* allocated via kvmalloc() */ void *dram; /* allocated via kvmalloc() */ void *sram; /* allocated via kvmalloc() */ void *ddr; /* allocated via kvmalloc() */ }; /** * struct intel_sst_drv - driver ops * * @sst_state : current sst device state * @dev_id : device identifier, pci_id for pci devices and acpi_id for acpi * devices * @shim : SST shim pointer * @mailbox : SST mailbox pointer * @iram : SST IRAM pointer * @dram : SST DRAM pointer * @pdata : SST info passed as a part of pci platform data * @shim_phy_add : SST shim phy addr * @ipc_dispatch_list : ipc messages dispatched * @rx_list : to copy the process_reply/process_msg from DSP * @ipc_post_msg_wq : wq to post IPC messages context * @mad_ops : MAD driver operations registered * @mad_wq : MAD driver wq * @post_msg_wq : wq to post IPC messages * @streams : sst stream contexts * @list_lock : sst driver list lock (deprecated) * @ipc_spin_lock : spin lock to handle audio shim access and ipc queue * @block_lock : spin lock to add block to block_list and assign pvt_id * @rx_msg_lock : spin lock to handle the rx messages from the DSP * @scard_ops : sst card ops * @pci : sst pci device struture * @dev : pointer to current device struct * @sst_lock : sst device lock * @pvt_id : sst private id * @stream_cnt : total sst active stream count * @pb_streams : total active pb streams * @cp_streams : total active cp streams * @audio_start : audio status * @qos : PM Qos struct * firmware_name : Firmware / Library name */ struct intel_sst_drv { int sst_state; int irq_num; unsigned int dev_id; void __iomem *ddr; void __iomem *shim; void __iomem *mailbox; void __iomem *iram; void __iomem *dram; unsigned int mailbox_add; unsigned int iram_base; unsigned int dram_base; unsigned int shim_phy_add; unsigned int iram_end; unsigned int dram_end; unsigned int ddr_end; unsigned int ddr_base; unsigned int mailbox_recv_offset; struct list_head block_list; struct list_head ipc_dispatch_list; struct sst_platform_info *pdata; struct list_head rx_list; struct work_struct ipc_post_msg_wq; wait_queue_head_t wait_queue; struct workqueue_struct *post_msg_wq; unsigned int tstamp; /* str_id 0 is not used */ struct stream_info streams[MAX_NUM_STREAMS+1]; spinlock_t ipc_spin_lock; spinlock_t block_lock; spinlock_t rx_msg_lock; struct pci_dev *pci; struct device *dev; volatile long unsigned pvt_id; struct mutex sst_lock; unsigned int stream_cnt; unsigned int csr_value; void *fw_in_mem; struct sst_sg_list fw_sg_list, library_list; struct intel_sst_ops *ops; struct sst_info info; struct pm_qos_request *qos; unsigned int use_dma; unsigned int use_lli; atomic_t fw_clear_context; bool lib_dwnld_reqd; struct list_head memcpy_list; struct sst_ipc_reg ipc_reg; struct sst_mem_mgr lib_mem_mgr; /* * Holder for firmware name. Due to async call it needs to be * persistent till worker thread gets called */ char firmware_name[FW_NAME_SIZE]; struct snd_sst_fw_version fw_version; struct sst_fw_save *fw_save; }; /* misc definitions */ #define FW_DWNL_ID 0x01 struct intel_sst_ops { irqreturn_t (*interrupt)(int, void *); irqreturn_t (*irq_thread)(int, void *); void (*clear_interrupt)(struct intel_sst_drv *ctx); int (*start)(struct intel_sst_drv *ctx); int (*reset)(struct intel_sst_drv *ctx); void (*process_reply)(struct intel_sst_drv *ctx, struct ipc_post *msg); int (*post_message)(struct intel_sst_drv *ctx, struct ipc_post *msg, bool sync); void (*process_message)(struct ipc_post *msg); void (*set_bypass)(bool set); int (*save_dsp_context)(struct intel_sst_drv *sst); void (*restore_dsp_context)(void); int (*alloc_stream)(struct intel_sst_drv *ctx, void *params); void (*post_download)(struct intel_sst_drv *sst); }; int sst_realloc_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id); int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, struct snd_sst_bytes_v2 *bytes); int sst_set_stream_param(int str_id, struct snd_sst_params *str_param); int sst_set_metadata(int str_id, char *params); int sst_get_stream(struct intel_sst_drv *ctx, struct snd_sst_params *str_param); int sst_get_stream_allocated(struct intel_sst_drv *ctx, struct snd_sst_params *str_param, struct snd_sst_lib_download **lib_dnld); int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx, int str_id, bool partial_drain); int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *ipc_msg, bool sync); void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *msg); int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx); int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx); void intel_sst_clear_intr_mrfld(struct intel_sst_drv *sst_drv_ctx); int sst_load_fw(struct intel_sst_drv *sst_drv_ctx); int sst_load_library(struct snd_sst_lib_download *lib, u8 ops); void sst_post_download_mrfld(struct intel_sst_drv *ctx); int sst_get_block_stream(struct intel_sst_drv *sst_drv_ctx); void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx); int sst_wait_interruptible(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block); int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block); int sst_create_ipc_msg(struct ipc_post **arg, bool large); int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id); void sst_clean_stream(struct stream_info *stream); int intel_sst_register_compress(struct intel_sst_drv *sst); int intel_sst_remove_compress(struct intel_sst_drv *sst); void sst_cdev_fragment_elapsed(struct intel_sst_drv *ctx, int str_id); int sst_send_sync_msg(int ipc, int str_id); int sst_get_num_channel(struct snd_sst_params *str_param); int sst_get_sfreq(struct snd_sst_params *str_param); int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params); void sst_restore_fw_context(void); struct sst_block *sst_create_block(struct intel_sst_drv *ctx, u32 msg_id, u32 drv_id); int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large, struct intel_sst_drv *sst_drv_ctx, struct sst_block **block, u32 msg_id, u32 drv_id); int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed); int sst_wake_up_block(struct intel_sst_drv *ctx, int result, u32 drv_id, u32 ipc, void *data, u32 size); int sst_request_firmware_async(struct intel_sst_drv *ctx); int sst_driver_ops(struct intel_sst_drv *sst); struct sst_platform_info *sst_get_acpi_driver_data(const char *hid); void sst_firmware_load_cb(const struct firmware *fw, void *context); int sst_prepare_and_post_msg(struct intel_sst_drv *sst, int task_id, int ipc_msg, int cmd_id, int pipe_id, size_t mbox_data_len, const void *mbox_data, void **data, bool large, bool fill_dsp, bool sync, bool response); void sst_process_pending_msg(struct work_struct *work); int sst_assign_pvt_id(struct intel_sst_drv *drv); int sst_validate_strid(struct intel_sst_drv *sst_drv_ctx, int str_id); struct stream_info *get_stream_info(struct intel_sst_drv *sst_drv_ctx, int str_id); int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx, u32 pipe_id); u32 relocate_imr_addr_mrfld(u32 base_addr); void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst, struct ipc_post *msg); int sst_pm_runtime_put(struct intel_sst_drv *sst_drv); int sst_shim_write(void __iomem *addr, int offset, int value); u32 sst_shim_read(void __iomem *addr, int offset); u64 sst_reg_read64(void __iomem *addr, int offset); int sst_shim_write64(void __iomem *addr, int offset, u64 value); u64 sst_shim_read64(void __iomem *addr, int offset); void sst_set_fw_state_locked( struct intel_sst_drv *sst_drv_ctx, int sst_state); void sst_fill_header_mrfld(union ipc_header_mrfld *header, int msg, int task_id, int large, int drv_id); void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg, int pipe_id, int len); int sst_register(struct device *); int sst_unregister(struct device *); int sst_alloc_drv_context(struct intel_sst_drv **ctx, struct device *dev, unsigned int dev_id); int sst_context_init(struct intel_sst_drv *ctx); void sst_context_cleanup(struct intel_sst_drv *ctx); void sst_configure_runtime_pm(struct intel_sst_drv *ctx); void memcpy32_toio(void __iomem *dst, const void *src, int count); void memcpy32_fromio(void *dst, const void __iomem *src, int count); #endif |