1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * sst.h - Intel SST Driver for audio engine
5 * Copyright (C) 2008-14 Intel Corporation
10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
12 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
14 * Common private declarations for SST
19 #include <linux/firmware.h>
22 #define SST_DRV_NAME "intel_sst_driver"
23 #define SST_MRFLD_PCI_ID 0x119A
24 #define SST_BYT_ACPI_ID 0x80860F28
25 #define SST_CHV_ACPI_ID 0x808622A8
27 #define SST_SUSPEND_DELAY 2000
28 #define FW_CONTEXT_MEM (64*1024)
29 #define SST_ICCM_BOUNDARY 4
30 #define SST_CONFIG_SSP_SIGN 0x7ffe8001
32 #define MRFLD_FW_VIRTUAL_BASE 0xC0000000
33 #define MRFLD_FW_DDR_BASE_OFFSET 0x0
34 #define MRFLD_FW_FEATURE_BASE_OFFSET 0x4
35 #define MRFLD_FW_BSS_RESET_BIT 0
37 /* SST Shim register map */
41 #define SST_IPCX 0x38 /* IPC IA -> SST */
42 #define SST_IPCD 0x40 /* IPC SST -> IA */
44 extern const struct dev_pm_ops intel_sst_pm;
57 #define SST_BLOCK_TIMEOUT 1000
59 #define FW_SIGNATURE_SIZE 4
60 #define FW_NAME_SIZE 32
63 enum sst_stream_states {
64 STREAM_UN_INIT = 0, /* Freed/Not used stream */
65 STREAM_RUNNING = 1, /* Running */
66 STREAM_PAUSED = 2, /* Paused stream */
67 STREAM_INIT = 3, /* stream init, waiting for data */
74 SST_CUSTOM_INFO = 7, /* consists of FW binary information */
77 /* SST shim registers to structure mapping */
114 union config_status_reg_mrfld {
117 u64 lpe_reset_vector:1;
134 union interrupt_reg_mrfld {
136 u64 done_interrupt:1;
137 u64 busy_interrupt:1;
143 union sst_imr_reg_mrfld {
145 u64 done_interrupt:1;
146 u64 busy_interrupt:1;
153 * struct sst_block - This structure is used to block a user/fw data call to another
156 * @condition: condition for blocking check
157 * @ret_code: ret code when block is released
159 * @size: size of data
160 * @on: block condition
161 * @msg_id: msg_id = msgid in mfld/ctp, mrfld = NULL
162 * @drv_id: str_id in mfld/ctp, = drv_id in mrfld
163 * @node: list head node
173 struct list_head node;
177 * struct stream_info - structure that holds the stream information
179 * @status : stream current state
180 * @prev : stream prev state
181 * @resume_status : stream current state to restore on resume
182 * @resume_prev : stream prev state to restore on resume
183 * @lock : stream mutex for protecting state
184 * @alloc_param : parameters used for stream (re-)allocation
185 * @pcm_substream : PCM substream
186 * @period_elapsed : PCM period elapsed callback
187 * @sfreq : stream sampling freq
188 * @cumm_bytes : cummulative bytes decoded
193 unsigned int resume_status;
194 unsigned int resume_prev;
196 struct snd_sst_alloc_mrfld alloc_param;
199 void (*period_elapsed)(void *pcm_substream);
204 void *compr_cb_param;
205 void (*compr_cb)(void *compr_cb_param);
207 void *drain_cb_param;
208 void (*drain_notify)(void *drain_cb_param);
211 unsigned int pipe_id;
212 unsigned int task_id;
215 #define SST_FW_SIGN "$SST"
216 #define SST_FW_LIB_SIGN "$LIB"
219 * struct sst_fw_header - FW file headers
221 * @signature : FW signature
222 * @file_size: size of fw image
223 * @modules : # of modules
224 * @file_format : version of header format
225 * @reserved : reserved fields
227 struct sst_fw_header {
228 unsigned char signature[FW_SIGNATURE_SIZE];
236 * struct fw_module_header - module header in FW
238 * @signature: module signature
239 * @mod_size: size of module
240 * @blocks: block count
242 * @entry_point: module netry point
244 struct fw_module_header {
245 unsigned char signature[FW_SIGNATURE_SIZE];
253 * struct fw_block_info - block header for FW
255 * @type: block ram type I/D
256 * @size: size of block
257 * @ram_offset: offset in ram
259 struct fw_block_info {
260 enum sst_ram_type type;
266 struct sst_runtime_param {
267 struct snd_sst_runtime_params param;
271 struct scatterlist *src;
272 struct scatterlist *dst;
277 struct sst_memcpy_list {
278 struct list_head memcpylist;
285 /*Firmware Module Information*/
286 enum sst_lib_dwnld_status {
287 SST_LIB_NOT_FOUND = 0,
292 struct sst_module_info {
293 const char *name; /*Library name*/
294 u32 id; /*Module ID*/
295 u32 entry_pt; /*Module entry point*/
296 u8 status; /*module status*/
302 * Structure for managing the Library Region(1.5MB)
303 * in DDR in Merrifield
306 phys_addr_t current_base;
317 void *iram; /* allocated via kvmalloc() */
318 void *dram; /* allocated via kvmalloc() */
319 void *sram; /* allocated via kvmalloc() */
320 void *ddr; /* allocated via kvmalloc() */
324 * struct intel_sst_drv - driver ops
326 * @sst_state : current sst device state
327 * @dev_id : device identifier, pci_id for pci devices and acpi_id for acpi
329 * @shim : SST shim pointer
330 * @mailbox : SST mailbox pointer
331 * @iram : SST IRAM pointer
332 * @dram : SST DRAM pointer
333 * @pdata : SST info passed as a part of pci platform data
334 * @shim_phy_add : SST shim phy addr
335 * @ipc_dispatch_list : ipc messages dispatched
336 * @rx_list : to copy the process_reply/process_msg from DSP
337 * @ipc_post_msg_wq : wq to post IPC messages context
338 * @mad_ops : MAD driver operations registered
339 * @mad_wq : MAD driver wq
340 * @post_msg_wq : wq to post IPC messages
341 * @streams : sst stream contexts
342 * @list_lock : sst driver list lock (deprecated)
343 * @ipc_spin_lock : spin lock to handle audio shim access and ipc queue
344 * @block_lock : spin lock to add block to block_list and assign pvt_id
345 * @rx_msg_lock : spin lock to handle the rx messages from the DSP
346 * @scard_ops : sst card ops
347 * @pci : sst pci device struture
348 * @dev : pointer to current device struct
349 * @sst_lock : sst device lock
350 * @pvt_id : sst private id
351 * @stream_cnt : total sst active stream count
352 * @pb_streams : total active pb streams
353 * @cp_streams : total active cp streams
354 * @audio_start : audio status
355 * @qos : PM Qos struct
356 * firmware_name : Firmware / Library name
358 struct intel_sst_drv {
364 void __iomem *mailbox;
367 unsigned int mailbox_add;
368 unsigned int iram_base;
369 unsigned int dram_base;
370 unsigned int shim_phy_add;
371 unsigned int iram_end;
372 unsigned int dram_end;
373 unsigned int ddr_end;
374 unsigned int ddr_base;
375 unsigned int mailbox_recv_offset;
376 struct list_head block_list;
377 struct list_head ipc_dispatch_list;
378 struct sst_platform_info *pdata;
379 struct list_head rx_list;
380 struct work_struct ipc_post_msg_wq;
381 wait_queue_head_t wait_queue;
382 struct workqueue_struct *post_msg_wq;
384 /* str_id 0 is not used */
385 struct stream_info streams[MAX_NUM_STREAMS+1];
386 spinlock_t ipc_spin_lock;
387 spinlock_t block_lock;
388 spinlock_t rx_msg_lock;
391 volatile long unsigned pvt_id;
392 struct mutex sst_lock;
393 unsigned int stream_cnt;
394 unsigned int csr_value;
396 struct sst_sg_list fw_sg_list, library_list;
397 struct intel_sst_ops *ops;
398 struct sst_info info;
399 struct pm_qos_request *qos;
400 unsigned int use_dma;
401 unsigned int use_lli;
402 atomic_t fw_clear_context;
404 struct list_head memcpy_list;
405 struct sst_ipc_reg ipc_reg;
406 struct sst_mem_mgr lib_mem_mgr;
408 * Holder for firmware name. Due to async call it needs to be
409 * persistent till worker thread gets called
411 char firmware_name[FW_NAME_SIZE];
413 struct snd_sst_fw_version fw_version;
414 struct sst_fw_save *fw_save;
417 /* misc definitions */
418 #define FW_DWNL_ID 0x01
420 struct intel_sst_ops {
421 irqreturn_t (*interrupt)(int, void *);
422 irqreturn_t (*irq_thread)(int, void *);
423 void (*clear_interrupt)(struct intel_sst_drv *ctx);
424 int (*start)(struct intel_sst_drv *ctx);
425 int (*reset)(struct intel_sst_drv *ctx);
426 void (*process_reply)(struct intel_sst_drv *ctx, struct ipc_post *msg);
427 int (*post_message)(struct intel_sst_drv *ctx,
428 struct ipc_post *msg, bool sync);
429 void (*process_message)(struct ipc_post *msg);
430 void (*set_bypass)(bool set);
431 int (*save_dsp_context)(struct intel_sst_drv *sst);
432 void (*restore_dsp_context)(void);
433 int (*alloc_stream)(struct intel_sst_drv *ctx, void *params);
434 void (*post_download)(struct intel_sst_drv *sst);
437 int sst_realloc_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
438 int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
439 int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
440 int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
441 int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
442 int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
443 int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
444 struct snd_sst_bytes_v2 *bytes);
445 int sst_set_stream_param(int str_id, struct snd_sst_params *str_param);
446 int sst_set_metadata(int str_id, char *params);
447 int sst_get_stream(struct intel_sst_drv *ctx,
448 struct snd_sst_params *str_param);
449 int sst_get_stream_allocated(struct intel_sst_drv *ctx,
450 struct snd_sst_params *str_param,
451 struct snd_sst_lib_download **lib_dnld);
452 int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx,
453 int str_id, bool partial_drain);
454 int sst_post_message_mrfld(struct intel_sst_drv *sst_drv_ctx,
455 struct ipc_post *ipc_msg, bool sync);
456 void sst_process_reply_mrfld(struct intel_sst_drv *sst_drv_ctx, struct ipc_post *msg);
457 int sst_start_mrfld(struct intel_sst_drv *sst_drv_ctx);
458 int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *sst_drv_ctx);
459 void intel_sst_clear_intr_mrfld(struct intel_sst_drv *sst_drv_ctx);
461 int sst_load_fw(struct intel_sst_drv *sst_drv_ctx);
462 int sst_load_library(struct snd_sst_lib_download *lib, u8 ops);
463 void sst_post_download_mrfld(struct intel_sst_drv *ctx);
464 int sst_get_block_stream(struct intel_sst_drv *sst_drv_ctx);
465 void sst_memcpy_free_resources(struct intel_sst_drv *sst_drv_ctx);
467 int sst_wait_interruptible(struct intel_sst_drv *sst_drv_ctx,
468 struct sst_block *block);
469 int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx,
470 struct sst_block *block);
471 int sst_create_ipc_msg(struct ipc_post **arg, bool large);
472 int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id);
473 void sst_clean_stream(struct stream_info *stream);
474 int intel_sst_register_compress(struct intel_sst_drv *sst);
475 int intel_sst_remove_compress(struct intel_sst_drv *sst);
476 void sst_cdev_fragment_elapsed(struct intel_sst_drv *ctx, int str_id);
477 int sst_send_sync_msg(int ipc, int str_id);
478 int sst_get_num_channel(struct snd_sst_params *str_param);
479 int sst_get_sfreq(struct snd_sst_params *str_param);
480 int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params);
481 void sst_restore_fw_context(void);
482 struct sst_block *sst_create_block(struct intel_sst_drv *ctx,
483 u32 msg_id, u32 drv_id);
484 int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large,
485 struct intel_sst_drv *sst_drv_ctx, struct sst_block **block,
486 u32 msg_id, u32 drv_id);
487 int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed);
488 int sst_wake_up_block(struct intel_sst_drv *ctx, int result,
489 u32 drv_id, u32 ipc, void *data, u32 size);
490 int sst_request_firmware_async(struct intel_sst_drv *ctx);
491 int sst_driver_ops(struct intel_sst_drv *sst);
492 struct sst_platform_info *sst_get_acpi_driver_data(const char *hid);
493 void sst_firmware_load_cb(const struct firmware *fw, void *context);
494 int sst_prepare_and_post_msg(struct intel_sst_drv *sst,
495 int task_id, int ipc_msg, int cmd_id, int pipe_id,
496 size_t mbox_data_len, const void *mbox_data, void **data,
497 bool large, bool fill_dsp, bool sync, bool response);
499 void sst_process_pending_msg(struct work_struct *work);
500 int sst_assign_pvt_id(struct intel_sst_drv *drv);
501 int sst_validate_strid(struct intel_sst_drv *sst_drv_ctx, int str_id);
502 struct stream_info *get_stream_info(struct intel_sst_drv *sst_drv_ctx,
504 int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx,
506 u32 relocate_imr_addr_mrfld(u32 base_addr);
507 void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst,
508 struct ipc_post *msg);
509 int sst_pm_runtime_put(struct intel_sst_drv *sst_drv);
510 int sst_shim_write(void __iomem *addr, int offset, int value);
511 u32 sst_shim_read(void __iomem *addr, int offset);
512 u64 sst_reg_read64(void __iomem *addr, int offset);
513 int sst_shim_write64(void __iomem *addr, int offset, u64 value);
514 u64 sst_shim_read64(void __iomem *addr, int offset);
515 void sst_set_fw_state_locked(
516 struct intel_sst_drv *sst_drv_ctx, int sst_state);
517 void sst_fill_header_mrfld(union ipc_header_mrfld *header,
518 int msg, int task_id, int large, int drv_id);
519 void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg,
520 int pipe_id, int len);
522 int sst_register(struct device *);
523 int sst_unregister(struct device *);
525 int sst_alloc_drv_context(struct intel_sst_drv **ctx,
526 struct device *dev, unsigned int dev_id);
527 int sst_context_init(struct intel_sst_drv *ctx);
528 void sst_context_cleanup(struct intel_sst_drv *ctx);
529 void sst_configure_runtime_pm(struct intel_sst_drv *ctx);
530 void memcpy32_toio(void __iomem *dst, const void *src, int count);
531 void memcpy32_fromio(void *dst, const void __iomem *src, int count);