2 * sst.h - Intel SST Driver for audio engine
4 * Copyright (C) 2008-14 Intel Corporation
5 * Authors: Vinod Koul <vinod.koul@intel.com>
6 * Harsha Priya <priya.harsha@intel.com>
7 * Dharageswari R <dharageswari.r@intel.com>
8 * KP Jeeja <jeeja.kp@intel.com>
9 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; version 2 of the License.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
22 * Common private declarations for SST
27 #include <linux/firmware.h>
30 #define SST_DRV_NAME "intel_sst_driver"
31 #define SST_MRFLD_PCI_ID 0x119A
33 #define SST_SUSPEND_DELAY 2000
34 #define FW_CONTEXT_MEM (64*1024)
35 #define SST_ICCM_BOUNDARY 4
36 #define SST_CONFIG_SSP_SIGN 0x7ffe8001
38 #define MRFLD_FW_VIRTUAL_BASE 0xC0000000
39 #define MRFLD_FW_DDR_BASE_OFFSET 0x0
40 #define MRFLD_FW_FEATURE_BASE_OFFSET 0x4
41 #define MRFLD_FW_BSS_RESET_BIT 0
43 extern const struct dev_pm_ops intel_sst_pm;
56 #define SST_BLOCK_TIMEOUT 1000
58 #define FW_SIGNATURE_SIZE 4
61 enum sst_stream_states {
62 STREAM_UN_INIT = 0, /* Freed/Not used stream */
63 STREAM_RUNNING = 1, /* Running */
64 STREAM_PAUSED = 2, /* Paused stream */
65 STREAM_DECODE = 3, /* stream is in decoding only state */
66 STREAM_INIT = 4, /* stream init, waiting for data */
67 STREAM_RESET = 5, /* force reset on recovery */
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 * @ops : stream operation pb/cp/drm...
182 * @bufs: stream buffer list
183 * @lock : stream mutex for protecting state
184 * @pcm_substream : PCM substream
185 * @period_elapsed : PCM period elapsed callback
186 * @sfreq : stream sampling freq
187 * @str_type : stream type
188 * @cumm_bytes : cummulative bytes decoded
189 * @str_type : stream type
190 * @src : stream source
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;
213 unsigned int task_id;
216 #define SST_FW_SIGN "$SST"
217 #define SST_FW_LIB_SIGN "$LIB"
220 * struct sst_fw_header - FW file headers
222 * @signature : FW signature
223 * @file_size: size of fw image
224 * @modules : # of modules
225 * @file_format : version of header format
226 * @reserved : reserved fields
228 struct sst_fw_header {
229 unsigned char signature[FW_SIGNATURE_SIZE];
237 * struct fw_module_header - module header in FW
239 * @signature: module signature
240 * @mod_size: size of module
241 * @blocks: block count
243 * @entry_point: module netry point
245 struct fw_module_header {
246 unsigned char signature[FW_SIGNATURE_SIZE];
254 * struct fw_block_info - block header for FW
256 * @type: block ram type I/D
257 * @size: size of block
258 * @ram_offset: offset in ram
260 struct fw_block_info {
261 enum sst_ram_type type;
267 struct sst_runtime_param {
268 struct snd_sst_runtime_params param;
272 struct scatterlist *src;
273 struct scatterlist *dst;
278 struct sst_memcpy_list {
279 struct list_head memcpylist;
286 /*Firmware Module Information*/
287 enum sst_lib_dwnld_status {
288 SST_LIB_NOT_FOUND = 0,
293 struct sst_module_info {
294 const char *name; /*Library name*/
295 u32 id; /*Module ID*/
296 u32 entry_pt; /*Module entry point*/
297 u8 status; /*module status*/
303 * Structure for managing the Library Region(1.5MB)
304 * in DDR in Merrifield
307 phys_addr_t current_base;
317 struct sst_shim_regs64 {
338 * struct intel_sst_drv - driver ops
340 * @sst_state : current sst device state
341 * @dev_id : device identifier, pci_id for pci devices and acpi_id for acpi
343 * @shim : SST shim pointer
344 * @mailbox : SST mailbox pointer
345 * @iram : SST IRAM pointer
346 * @dram : SST DRAM pointer
347 * @pdata : SST info passed as a part of pci platform data
348 * @shim_phy_add : SST shim phy addr
349 * @shim_regs64: Struct to save shim registers
350 * @ipc_dispatch_list : ipc messages dispatched
351 * @rx_list : to copy the process_reply/process_msg from DSP
352 * @ipc_post_msg_wq : wq to post IPC messages context
353 * @mad_ops : MAD driver operations registered
354 * @mad_wq : MAD driver wq
355 * @post_msg_wq : wq to post IPC messages
356 * @streams : sst stream contexts
357 * @list_lock : sst driver list lock (deprecated)
358 * @ipc_spin_lock : spin lock to handle audio shim access and ipc queue
359 * @block_lock : spin lock to add block to block_list and assign pvt_id
360 * @rx_msg_lock : spin lock to handle the rx messages from the DSP
361 * @scard_ops : sst card ops
362 * @pci : sst pci device struture
363 * @dev : pointer to current device struct
364 * @sst_lock : sst device lock
365 * @pvt_id : sst private id
366 * @stream_cnt : total sst active stream count
367 * @pb_streams : total active pb streams
368 * @cp_streams : total active cp streams
369 * @audio_start : audio status
370 * @qos : PM Qos struct
371 * firmware_name : Firmware / Library name
373 struct intel_sst_drv {
379 void __iomem *mailbox;
382 unsigned int mailbox_add;
383 unsigned int iram_base;
384 unsigned int dram_base;
385 unsigned int shim_phy_add;
386 unsigned int iram_end;
387 unsigned int dram_end;
388 unsigned int ddr_end;
389 unsigned int ddr_base;
390 unsigned int mailbox_recv_offset;
391 struct sst_shim_regs64 *shim_regs64;
392 struct list_head block_list;
393 struct list_head ipc_dispatch_list;
394 struct sst_platform_info *pdata;
395 struct list_head rx_list;
396 struct work_struct ipc_post_msg_wq;
397 wait_queue_head_t wait_queue;
398 struct workqueue_struct *post_msg_wq;
400 /* str_id 0 is not used */
401 struct stream_info streams[MAX_NUM_STREAMS+1];
402 spinlock_t ipc_spin_lock;
403 spinlock_t block_lock;
404 spinlock_t rx_msg_lock;
407 volatile long unsigned pvt_id;
408 struct mutex sst_lock;
409 unsigned int stream_cnt;
410 unsigned int csr_value;
412 struct sst_sg_list fw_sg_list, library_list;
413 struct intel_sst_ops *ops;
414 struct sst_info info;
415 struct pm_qos_request *qos;
416 unsigned int use_dma;
417 unsigned int use_lli;
418 atomic_t fw_clear_context;
420 struct list_head memcpy_list;
421 struct sst_ipc_reg ipc_reg;
422 struct sst_mem_mgr lib_mem_mgr;
424 * Holder for firmware name. Due to async call it needs to be
425 * persistent till worker thread gets called
427 char firmware_name[20];
430 /* misc definitions */
431 #define FW_DWNL_ID 0x01
433 struct intel_sst_ops {
434 irqreturn_t (*interrupt)(int, void *);
435 irqreturn_t (*irq_thread)(int, void *);
436 void (*clear_interrupt)(struct intel_sst_drv *ctx);
437 int (*start)(struct intel_sst_drv *ctx);
438 int (*reset)(struct intel_sst_drv *ctx);
439 void (*process_reply)(struct intel_sst_drv *ctx, struct ipc_post *msg);
440 int (*post_message)(struct intel_sst_drv *ctx,
441 struct ipc_post *msg, bool sync);
442 void (*process_message)(struct ipc_post *msg);
443 void (*set_bypass)(bool set);
444 int (*save_dsp_context)(struct intel_sst_drv *sst);
445 void (*restore_dsp_context)(void);
446 int (*alloc_stream)(struct intel_sst_drv *ctx, void *params);
447 void (*post_download)(struct intel_sst_drv *sst);
450 int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int id);
451 int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int id);
452 int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int id);
453 int sst_free_stream(struct intel_sst_drv *sst_drv_ctx, int id);
454 int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id);
455 int sst_send_byte_stream_mrfld(struct intel_sst_drv *ctx,
456 struct snd_sst_bytes_v2 *sbytes);
457 int sst_set_stream_param(int str_id, struct snd_sst_params *str_param);
458 int sst_set_metadata(int str_id, char *params);
459 int sst_get_stream(struct intel_sst_drv *sst_drv_ctx,
460 struct snd_sst_params *str_param);
461 int sst_get_stream_allocated(struct intel_sst_drv *ctx,
462 struct snd_sst_params *str_param,
463 struct snd_sst_lib_download **lib_dnld);
464 int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx,
465 int str_id, bool partial_drain);
466 int sst_post_message_mrfld(struct intel_sst_drv *ctx,
467 struct ipc_post *msg, bool sync);
468 void sst_process_reply_mrfld(struct intel_sst_drv *ctx, struct ipc_post *msg);
469 int sst_start_mrfld(struct intel_sst_drv *ctx);
470 int intel_sst_reset_dsp_mrfld(struct intel_sst_drv *ctx);
471 void intel_sst_clear_intr_mrfld(struct intel_sst_drv *ctx);
473 int sst_load_fw(struct intel_sst_drv *ctx);
474 int sst_load_library(struct snd_sst_lib_download *lib, u8 ops);
475 void sst_post_download_mrfld(struct intel_sst_drv *ctx);
476 int sst_get_block_stream(struct intel_sst_drv *sst_drv_ctx);
477 void sst_memcpy_free_resources(struct intel_sst_drv *ctx);
479 int sst_wait_interruptible(struct intel_sst_drv *sst_drv_ctx,
480 struct sst_block *block);
481 int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx,
482 struct sst_block *block);
483 int sst_create_ipc_msg(struct ipc_post **arg, bool large);
484 int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id);
485 void sst_clean_stream(struct stream_info *stream);
486 int intel_sst_register_compress(struct intel_sst_drv *sst);
487 int intel_sst_remove_compress(struct intel_sst_drv *sst);
488 void sst_cdev_fragment_elapsed(struct intel_sst_drv *ctx, int str_id);
489 int sst_send_sync_msg(int ipc, int str_id);
490 int sst_get_num_channel(struct snd_sst_params *str_param);
491 int sst_get_sfreq(struct snd_sst_params *str_param);
492 int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params);
493 void sst_restore_fw_context(void);
494 struct sst_block *sst_create_block(struct intel_sst_drv *ctx,
495 u32 msg_id, u32 drv_id);
496 int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large,
497 struct intel_sst_drv *sst_drv_ctx, struct sst_block **block,
498 u32 msg_id, u32 drv_id);
499 int sst_free_block(struct intel_sst_drv *ctx, struct sst_block *freed);
500 int sst_wake_up_block(struct intel_sst_drv *ctx, int result,
501 u32 drv_id, u32 ipc, void *data, u32 size);
502 int sst_request_firmware_async(struct intel_sst_drv *ctx);
503 int sst_driver_ops(struct intel_sst_drv *sst);
504 struct sst_platform_info *sst_get_acpi_driver_data(const char *hid);
505 void sst_firmware_load_cb(const struct firmware *fw, void *context);
506 int sst_prepare_and_post_msg(struct intel_sst_drv *sst,
507 int task_id, int ipc_msg, int cmd_id, int pipe_id,
508 size_t mbox_data_len, const void *mbox_data, void **data,
509 bool large, bool fill_dsp, bool sync, bool response);
511 void sst_process_pending_msg(struct work_struct *work);
512 int sst_assign_pvt_id(struct intel_sst_drv *sst_drv_ctx);
513 void sst_init_stream(struct stream_info *stream,
514 int codec, int sst_id, int ops, u8 slot);
515 int sst_validate_strid(struct intel_sst_drv *sst_drv_ctx, int str_id);
516 struct stream_info *get_stream_info(struct intel_sst_drv *sst_drv_ctx,
518 int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx,
520 u32 relocate_imr_addr_mrfld(u32 base_addr);
521 void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst,
522 struct ipc_post *msg);
523 int sst_pm_runtime_put(struct intel_sst_drv *sst_drv);
524 int sst_shim_write(void __iomem *addr, int offset, int value);
525 u32 sst_shim_read(void __iomem *addr, int offset);
526 u64 sst_reg_read64(void __iomem *addr, int offset);
527 int sst_shim_write64(void __iomem *addr, int offset, u64 value);
528 u64 sst_shim_read64(void __iomem *addr, int offset);
529 void sst_set_fw_state_locked(
530 struct intel_sst_drv *sst_drv_ctx, int sst_state);
531 void sst_fill_header_mrfld(union ipc_header_mrfld *header,
532 int msg, int task_id, int large, int drv_id);
533 void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg,
534 int pipe_id, int len);
536 int sst_register(struct device *);
537 int sst_unregister(struct device *);
539 int sst_alloc_drv_context(struct intel_sst_drv **ctx,
540 struct device *dev, unsigned int dev_id);
541 int sst_context_init(struct intel_sst_drv *ctx);
542 void sst_context_cleanup(struct intel_sst_drv *ctx);
543 void sst_configure_runtime_pm(struct intel_sst_drv *ctx);