1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
3 // Copyright (c) 2018, Linaro Limited
5 #include <dt-bindings/sound/qcom,q6asm.h>
6 #include <linux/mutex.h>
7 #include <linux/wait.h>
8 #include <linux/module.h>
9 #include <linux/soc/qcom/apr.h>
10 #include <linux/device.h>
11 #include <linux/of_platform.h>
12 #include <linux/spinlock.h>
13 #include <linux/kref.h>
15 #include <uapi/sound/asound.h>
16 #include <uapi/sound/compress_params.h>
17 #include <linux/delay.h>
18 #include <linux/slab.h>
22 #include "q6dsp-errno.h"
23 #include "q6dsp-common.h"
25 #define ASM_STREAM_CMD_CLOSE 0x00010BCD
26 #define ASM_STREAM_CMD_FLUSH 0x00010BCE
27 #define ASM_SESSION_CMD_PAUSE 0x00010BD3
28 #define ASM_DATA_CMD_EOS 0x00010BDB
29 #define ASM_DATA_EVENT_RENDERED_EOS 0x00010C1C
30 #define ASM_NULL_POPP_TOPOLOGY 0x00010C68
31 #define ASM_STREAM_CMD_FLUSH_READBUFS 0x00010C09
32 #define ASM_STREAM_CMD_SET_ENCDEC_PARAM 0x00010C10
33 #define ASM_STREAM_POSTPROC_TOPO_ID_NONE 0x00010C68
34 #define ASM_CMD_SHARED_MEM_MAP_REGIONS 0x00010D92
35 #define ASM_CMDRSP_SHARED_MEM_MAP_REGIONS 0x00010D93
36 #define ASM_CMD_SHARED_MEM_UNMAP_REGIONS 0x00010D94
37 #define ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2 0x00010D98
38 #define ASM_DATA_EVENT_WRITE_DONE_V2 0x00010D99
39 #define ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2 0x00010DA3
40 #define ASM_SESSION_CMD_RUN_V2 0x00010DAA
41 #define ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2 0x00010DA5
42 #define ASM_MEDIA_FMT_MP3 0x00010BE9
43 #define ASM_MEDIA_FMT_FLAC 0x00010C16
44 #define ASM_MEDIA_FMT_WMA_V9 0x00010DA8
45 #define ASM_MEDIA_FMT_WMA_V10 0x00010DA7
46 #define ASM_DATA_CMD_WRITE_V2 0x00010DAB
47 #define ASM_DATA_CMD_READ_V2 0x00010DAC
48 #define ASM_SESSION_CMD_SUSPEND 0x00010DEC
49 #define ASM_STREAM_CMD_OPEN_WRITE_V3 0x00010DB3
50 #define ASM_STREAM_CMD_OPEN_READ_V3 0x00010DB4
51 #define ASM_DATA_EVENT_READ_DONE_V2 0x00010D9A
52 #define ASM_STREAM_CMD_OPEN_READWRITE_V2 0x00010D8D
53 #define ASM_MEDIA_FMT_ALAC 0x00012f31
54 #define ASM_MEDIA_FMT_APE 0x00012f32
55 #define ASM_DATA_CMD_REMOVE_INITIAL_SILENCE 0x00010D67
56 #define ASM_DATA_CMD_REMOVE_TRAILING_SILENCE 0x00010D68
59 #define ASM_LEGACY_STREAM_SESSION 0
60 /* Bit shift for the stream_perf_mode subfield. */
61 #define ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ 29
62 #define ASM_END_POINT_DEVICE_MATRIX 0
63 #define ASM_DEFAULT_APP_TYPE 0
64 #define ASM_SYNC_IO_MODE 0x0001
65 #define ASM_ASYNC_IO_MODE 0x0002
66 #define ASM_TUN_READ_IO_MODE 0x0004 /* tunnel read write mode */
67 #define ASM_TUN_WRITE_IO_MODE 0x0008 /* tunnel read write mode */
68 #define ASM_SHIFT_GAPLESS_MODE_FLAG 31
69 #define ADSP_MEMORY_MAP_SHMEM8_4K_POOL 3
71 struct avs_cmd_shared_mem_map_regions {
77 struct avs_shared_map_region_payload {
83 struct avs_cmd_shared_mem_unmap_regions {
87 struct asm_data_cmd_media_fmt_update_v2 {
91 struct asm_multi_channel_pcm_fmt_blk_v2 {
92 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
98 u8 channel_mapping[PCM_MAX_NUM_CHANNEL];
101 struct asm_flac_fmt_blk_v2 {
102 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
103 u16 is_stream_info_present;
115 struct asm_wmastdv9_fmt_blk_v2 {
116 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
128 struct asm_wmaprov10_fmt_blk_v2 {
129 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
138 u16 advanced_enc_options1;
139 u32 advanced_enc_options2;
142 struct asm_alac_fmt_blk_v2 {
143 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
145 u8 compatible_version;
155 u32 channel_layout_tag;
158 struct asm_ape_fmt_blk_v2 {
159 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
160 u16 compatible_version;
161 u16 compression_level;
163 u32 blocks_per_frame;
164 u32 final_frame_blocks;
169 u32 seek_table_present;
172 struct asm_stream_cmd_set_encdec_param {
177 struct asm_enc_cfg_blk_param_v2 {
179 u32 enc_cfg_blk_size;
182 struct asm_multi_channel_pcm_enc_cfg_v2 {
183 struct asm_stream_cmd_set_encdec_param encdec;
184 struct asm_enc_cfg_blk_param_v2 encblk;
185 uint16_t num_channels;
186 uint16_t bits_per_sample;
187 uint32_t sample_rate;
190 uint8_t channel_mapping[8];
193 struct asm_data_cmd_read_v2 {
201 struct asm_data_cmd_read_v2_done {
207 struct asm_stream_cmd_open_read_v3 {
216 struct asm_data_cmd_write_v2 {
227 struct asm_stream_cmd_open_write_v3 {
229 uint16_t sink_endpointype;
230 uint16_t bits_per_sample;
231 uint32_t postprocopo_id;
235 struct asm_session_cmd_run_v2 {
241 struct audio_buffer {
243 uint32_t size; /* size of buffer */
246 struct audio_port_data {
247 struct audio_buffer *buf;
248 uint32_t num_periods;
250 uint32_t mem_map_handle;
254 struct apr_device *adev;
256 struct q6core_svc_api_info ainfo;
257 wait_queue_head_t mem_wait;
259 struct audio_client *session[MAX_SESSIONS + 1];
262 struct audio_client {
267 struct apr_device *adev;
268 struct mutex cmd_lock;
270 struct kref refcount;
271 /* idx:1 out port, 0: in port */
272 struct audio_port_data port[2];
273 wait_queue_head_t cmd_wait;
274 struct aprv2_ibasic_rsp_result_t result;
280 static inline void q6asm_add_hdr(struct audio_client *ac, struct apr_hdr *hdr,
281 uint32_t pkt_size, bool cmd_flg,
284 hdr->hdr_field = APR_SEQ_CMD_HDR_FIELD;
285 hdr->src_port = ((ac->session << 8) & 0xFF00) | (stream_id);
286 hdr->dest_port = ((ac->session << 8) & 0xFF00) | (stream_id);
287 hdr->pkt_size = pkt_size;
289 hdr->token = ac->session;
292 static int q6asm_apr_send_session_pkt(struct q6asm *a, struct audio_client *ac,
293 struct apr_pkt *pkt, uint32_t rsp_opcode)
295 struct apr_hdr *hdr = &pkt->hdr;
298 mutex_lock(&ac->cmd_lock);
299 ac->result.opcode = 0;
300 ac->result.status = 0;
301 rc = apr_send_pkt(a->adev, pkt);
306 rc = wait_event_timeout(a->mem_wait,
307 (ac->result.opcode == hdr->opcode) ||
308 (ac->result.opcode == rsp_opcode),
311 rc = wait_event_timeout(a->mem_wait,
312 (ac->result.opcode == hdr->opcode),
316 dev_err(a->dev, "CMD %x timeout\n", hdr->opcode);
318 } else if (ac->result.status > 0) {
319 dev_err(a->dev, "DSP returned error[%x]\n",
325 mutex_unlock(&ac->cmd_lock);
329 static int __q6asm_memory_unmap(struct audio_client *ac,
330 phys_addr_t buf_add, int dir)
332 struct avs_cmd_shared_mem_unmap_regions *mem_unmap;
333 struct q6asm *a = dev_get_drvdata(ac->dev->parent);
338 if (ac->port[dir].mem_map_handle == 0) {
339 dev_err(ac->dev, "invalid mem handle\n");
343 pkt_size = APR_HDR_SIZE + sizeof(*mem_unmap);
344 p = kzalloc(pkt_size, GFP_KERNEL);
349 mem_unmap = p + APR_HDR_SIZE;
351 pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
352 pkt->hdr.src_port = 0;
353 pkt->hdr.dest_port = 0;
354 pkt->hdr.pkt_size = pkt_size;
355 pkt->hdr.token = ((ac->session << 8) | dir);
357 pkt->hdr.opcode = ASM_CMD_SHARED_MEM_UNMAP_REGIONS;
358 mem_unmap->mem_map_handle = ac->port[dir].mem_map_handle;
360 rc = q6asm_apr_send_session_pkt(a, ac, pkt, 0);
366 ac->port[dir].mem_map_handle = 0;
373 static void q6asm_audio_client_free_buf(struct audio_client *ac,
374 struct audio_port_data *port)
378 spin_lock_irqsave(&ac->lock, flags);
379 port->num_periods = 0;
382 spin_unlock_irqrestore(&ac->lock, flags);
386 * q6asm_unmap_memory_regions() - unmap memory regions in the dsp.
388 * @dir: direction of audio stream
389 * @ac: audio client instanace
391 * Return: Will be an negative value on failure or zero on success
393 int q6asm_unmap_memory_regions(unsigned int dir, struct audio_client *ac)
395 struct audio_port_data *port;
399 port = &ac->port[dir];
405 cnt = port->num_periods - 1;
407 rc = __q6asm_memory_unmap(ac, port->buf[dir].phys, dir);
409 dev_err(ac->dev, "%s: Memory_unmap_regions failed %d\n",
415 q6asm_audio_client_free_buf(ac, port);
420 EXPORT_SYMBOL_GPL(q6asm_unmap_memory_regions);
422 static int __q6asm_memory_map_regions(struct audio_client *ac, int dir,
423 size_t period_sz, unsigned int periods,
426 struct avs_cmd_shared_mem_map_regions *cmd = NULL;
427 struct avs_shared_map_region_payload *mregions = NULL;
428 struct q6asm *a = dev_get_drvdata(ac->dev->parent);
429 struct audio_port_data *port = NULL;
430 struct audio_buffer *ab = NULL;
434 uint32_t num_regions, buf_sz;
439 buf_sz = period_sz * periods;
442 num_regions = periods;
445 /* DSP expects size should be aligned to 4K */
446 buf_sz = ALIGN(buf_sz, 4096);
448 pkt_size = APR_HDR_SIZE + sizeof(*cmd) +
449 (sizeof(*mregions) * num_regions);
451 p = kzalloc(pkt_size, GFP_KERNEL);
456 cmd = p + APR_HDR_SIZE;
457 mregions = p + APR_HDR_SIZE + sizeof(*cmd);
459 pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
460 pkt->hdr.src_port = 0;
461 pkt->hdr.dest_port = 0;
462 pkt->hdr.pkt_size = pkt_size;
463 pkt->hdr.token = ((ac->session << 8) | dir);
464 pkt->hdr.opcode = ASM_CMD_SHARED_MEM_MAP_REGIONS;
466 cmd->mem_pool_id = ADSP_MEMORY_MAP_SHMEM8_4K_POOL;
467 cmd->num_regions = num_regions;
468 cmd->property_flag = 0x00;
470 spin_lock_irqsave(&ac->lock, flags);
471 port = &ac->port[dir];
473 for (i = 0; i < num_regions; i++) {
475 mregions->shm_addr_lsw = lower_32_bits(ab->phys);
476 mregions->shm_addr_msw = upper_32_bits(ab->phys);
477 mregions->mem_size_bytes = buf_sz;
480 spin_unlock_irqrestore(&ac->lock, flags);
482 rc = q6asm_apr_send_session_pkt(a, ac, pkt,
483 ASM_CMDRSP_SHARED_MEM_MAP_REGIONS);
491 * q6asm_map_memory_regions() - map memory regions in the dsp.
493 * @dir: direction of audio stream
494 * @ac: audio client instanace
495 * @phys: physical address that needs mapping.
496 * @period_sz: audio period size
497 * @periods: number of periods
499 * Return: Will be an negative value on failure or zero on success
501 int q6asm_map_memory_regions(unsigned int dir, struct audio_client *ac,
503 size_t period_sz, unsigned int periods)
505 struct audio_buffer *buf;
510 spin_lock_irqsave(&ac->lock, flags);
511 if (ac->port[dir].buf) {
512 dev_err(ac->dev, "Buffer already allocated\n");
513 spin_unlock_irqrestore(&ac->lock, flags);
517 buf = kcalloc(periods, sizeof(*buf), GFP_ATOMIC);
519 spin_unlock_irqrestore(&ac->lock, flags);
524 ac->port[dir].buf = buf;
527 buf[0].size = period_sz;
529 for (cnt = 1; cnt < periods; cnt++) {
531 buf[cnt].phys = buf[0].phys + (cnt * period_sz);
532 buf[cnt].size = period_sz;
535 ac->port[dir].num_periods = periods;
537 spin_unlock_irqrestore(&ac->lock, flags);
539 rc = __q6asm_memory_map_regions(ac, dir, period_sz, periods, 1);
541 dev_err(ac->dev, "Memory_map_regions failed\n");
542 q6asm_audio_client_free_buf(ac, &ac->port[dir]);
547 EXPORT_SYMBOL_GPL(q6asm_map_memory_regions);
549 static void q6asm_audio_client_release(struct kref *ref)
551 struct audio_client *ac;
555 ac = container_of(ref, struct audio_client, refcount);
558 spin_lock_irqsave(&a->slock, flags);
559 a->session[ac->session] = NULL;
560 spin_unlock_irqrestore(&a->slock, flags);
566 * q6asm_audio_client_free() - Freee allocated audio client
568 * @ac: audio client to free
570 void q6asm_audio_client_free(struct audio_client *ac)
572 kref_put(&ac->refcount, q6asm_audio_client_release);
574 EXPORT_SYMBOL_GPL(q6asm_audio_client_free);
576 static struct audio_client *q6asm_get_audio_client(struct q6asm *a,
579 struct audio_client *ac = NULL;
582 spin_lock_irqsave(&a->slock, flags);
583 if ((session_id <= 0) || (session_id > MAX_SESSIONS)) {
584 dev_err(a->dev, "invalid session: %d\n", session_id);
588 /* check for valid session */
589 if (!a->session[session_id])
591 else if (a->session[session_id]->session != session_id)
594 ac = a->session[session_id];
595 kref_get(&ac->refcount);
597 spin_unlock_irqrestore(&a->slock, flags);
601 static int32_t q6asm_stream_callback(struct apr_device *adev,
602 struct apr_resp_pkt *data,
605 struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
606 struct aprv2_ibasic_rsp_result_t *result;
607 struct apr_hdr *hdr = &data->hdr;
608 struct audio_port_data *port;
609 struct audio_client *ac;
610 uint32_t client_event = 0;
613 ac = q6asm_get_audio_client(q6asm, session_id);
614 if (!ac)/* Audio client might already be freed by now */
617 result = data->payload;
619 switch (hdr->opcode) {
620 case APR_BASIC_RSP_RESULT:
621 switch (result->opcode) {
622 case ASM_SESSION_CMD_PAUSE:
623 client_event = ASM_CLIENT_EVENT_CMD_PAUSE_DONE;
625 case ASM_SESSION_CMD_SUSPEND:
626 client_event = ASM_CLIENT_EVENT_CMD_SUSPEND_DONE;
628 case ASM_STREAM_CMD_FLUSH:
629 client_event = ASM_CLIENT_EVENT_CMD_FLUSH_DONE;
631 case ASM_SESSION_CMD_RUN_V2:
632 client_event = ASM_CLIENT_EVENT_CMD_RUN_DONE;
634 case ASM_STREAM_CMD_CLOSE:
635 client_event = ASM_CLIENT_EVENT_CMD_CLOSE_DONE;
637 case ASM_STREAM_CMD_FLUSH_READBUFS:
638 client_event = ASM_CLIENT_EVENT_CMD_OUT_FLUSH_DONE;
640 case ASM_STREAM_CMD_OPEN_WRITE_V3:
641 case ASM_STREAM_CMD_OPEN_READ_V3:
642 case ASM_STREAM_CMD_OPEN_READWRITE_V2:
643 case ASM_STREAM_CMD_SET_ENCDEC_PARAM:
644 case ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2:
645 case ASM_DATA_CMD_REMOVE_INITIAL_SILENCE:
646 case ASM_DATA_CMD_REMOVE_TRAILING_SILENCE:
647 if (result->status != 0) {
649 "cmd = 0x%x returned error = 0x%x\n",
650 result->opcode, result->status);
651 ac->result = *result;
652 wake_up(&ac->cmd_wait);
658 dev_err(ac->dev, "command[0x%x] not expecting rsp\n",
663 ac->result = *result;
664 wake_up(&ac->cmd_wait);
667 ac->cb(client_event, hdr->token,
668 data->payload, ac->priv);
673 case ASM_DATA_EVENT_WRITE_DONE_V2:
674 client_event = ASM_CLIENT_EVENT_DATA_WRITE_DONE;
675 if (ac->io_mode & ASM_SYNC_IO_MODE) {
678 int token = hdr->token & ASM_WRITE_TOKEN_MASK;
680 spin_lock_irqsave(&ac->lock, flags);
682 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
685 spin_unlock_irqrestore(&ac->lock, flags);
690 phys = port->buf[token].phys;
692 if (lower_32_bits(phys) != result->opcode ||
693 upper_32_bits(phys) != result->status) {
694 dev_err(ac->dev, "Expected addr %pa\n",
695 &port->buf[token].phys);
696 spin_unlock_irqrestore(&ac->lock, flags);
700 spin_unlock_irqrestore(&ac->lock, flags);
703 case ASM_DATA_EVENT_READ_DONE_V2:
704 client_event = ASM_CLIENT_EVENT_DATA_READ_DONE;
705 if (ac->io_mode & ASM_SYNC_IO_MODE) {
706 struct asm_data_cmd_read_v2_done *done = data->payload;
710 spin_lock_irqsave(&ac->lock, flags);
711 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
713 spin_unlock_irqrestore(&ac->lock, flags);
718 phys = port->buf[hdr->token].phys;
720 if (upper_32_bits(phys) != done->buf_addr_msw ||
721 lower_32_bits(phys) != done->buf_addr_lsw) {
722 dev_err(ac->dev, "Expected addr %pa %08x-%08x\n",
723 &port->buf[hdr->token].phys,
726 spin_unlock_irqrestore(&ac->lock, flags);
730 spin_unlock_irqrestore(&ac->lock, flags);
734 case ASM_DATA_EVENT_RENDERED_EOS:
735 client_event = ASM_CLIENT_EVENT_CMD_EOS_DONE;
740 ac->cb(client_event, hdr->token, data->payload, ac->priv);
743 kref_put(&ac->refcount, q6asm_audio_client_release);
747 static int q6asm_srvc_callback(struct apr_device *adev,
748 struct apr_resp_pkt *data)
750 struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
751 struct aprv2_ibasic_rsp_result_t *result;
752 struct audio_port_data *port;
753 struct audio_client *ac = NULL;
754 struct apr_hdr *hdr = &data->hdr;
760 session_id = (hdr->dest_port >> 8) & 0xFF;
762 return q6asm_stream_callback(adev, data, session_id);
764 sid = (hdr->token >> 8) & 0x0F;
765 ac = q6asm_get_audio_client(q6asm, sid);
767 dev_err(&adev->dev, "Audio Client not active\n");
771 a = dev_get_drvdata(ac->dev->parent);
772 dir = (hdr->token & 0x0F);
773 port = &ac->port[dir];
774 result = data->payload;
776 switch (hdr->opcode) {
777 case APR_BASIC_RSP_RESULT:
778 switch (result->opcode) {
779 case ASM_CMD_SHARED_MEM_MAP_REGIONS:
780 case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
781 ac->result = *result;
782 wake_up(&a->mem_wait);
785 dev_err(&adev->dev, "command[0x%x] not expecting rsp\n",
790 case ASM_CMDRSP_SHARED_MEM_MAP_REGIONS:
791 ac->result.status = 0;
792 ac->result.opcode = hdr->opcode;
793 port->mem_map_handle = result->opcode;
794 wake_up(&a->mem_wait);
796 case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
797 ac->result.opcode = hdr->opcode;
798 ac->result.status = 0;
799 port->mem_map_handle = 0;
800 wake_up(&a->mem_wait);
803 dev_dbg(&adev->dev, "command[0x%x]success [0x%x]\n",
804 result->opcode, result->status);
809 ac->cb(hdr->opcode, hdr->token, data->payload, ac->priv);
812 kref_put(&ac->refcount, q6asm_audio_client_release);
818 * q6asm_get_session_id() - get session id for audio client
820 * @c: audio client pointer
822 * Return: Will be an session id of the audio client.
824 int q6asm_get_session_id(struct audio_client *c)
828 EXPORT_SYMBOL_GPL(q6asm_get_session_id);
831 * q6asm_audio_client_alloc() - Allocate a new audio client
833 * @dev: Pointer to asm child device.
834 * @cb: event callback.
835 * @priv: private data associated with this client.
836 * @session_id: session id
837 * @perf_mode: performace mode for this client
839 * Return: Will be an error pointer on error or a valid audio client
842 struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb,
843 void *priv, int session_id,
846 struct q6asm *a = dev_get_drvdata(dev->parent);
847 struct audio_client *ac;
850 ac = q6asm_get_audio_client(a, session_id + 1);
852 dev_err(dev, "Audio Client already active\n");
856 ac = kzalloc(sizeof(*ac), GFP_KERNEL);
858 return ERR_PTR(-ENOMEM);
860 spin_lock_irqsave(&a->slock, flags);
861 a->session[session_id + 1] = ac;
862 spin_unlock_irqrestore(&a->slock, flags);
863 ac->session = session_id + 1;
868 ac->io_mode = ASM_SYNC_IO_MODE;
869 ac->perf_mode = perf_mode;
871 kref_init(&ac->refcount);
873 init_waitqueue_head(&ac->cmd_wait);
874 mutex_init(&ac->cmd_lock);
875 spin_lock_init(&ac->lock);
879 EXPORT_SYMBOL_GPL(q6asm_audio_client_alloc);
881 static int q6asm_ac_send_cmd_sync(struct audio_client *ac, struct apr_pkt *pkt)
883 struct apr_hdr *hdr = &pkt->hdr;
886 mutex_lock(&ac->cmd_lock);
887 ac->result.opcode = 0;
888 ac->result.status = 0;
890 rc = apr_send_pkt(ac->adev, pkt);
894 rc = wait_event_timeout(ac->cmd_wait,
895 (ac->result.opcode == hdr->opcode), 5 * HZ);
897 dev_err(ac->dev, "CMD %x timeout\n", hdr->opcode);
902 if (ac->result.status > 0) {
903 dev_err(ac->dev, "DSP returned error[%x]\n",
912 mutex_unlock(&ac->cmd_lock);
917 * q6asm_open_write() - Open audio client for writing
918 * @ac: audio client pointer
919 * @stream_id: stream id of q6asm session
920 * @format: audio sample format
921 * @codec_profile: compressed format profile
922 * @bits_per_sample: bits per sample
923 * @is_gapless: flag to indicate if this is a gapless stream
925 * Return: Will be an negative value on error or zero on success
927 int q6asm_open_write(struct audio_client *ac, uint32_t stream_id,
928 uint32_t format, u32 codec_profile,
929 uint16_t bits_per_sample, bool is_gapless)
931 struct asm_stream_cmd_open_write_v3 *open;
936 pkt_size = APR_HDR_SIZE + sizeof(*open);
938 p = kzalloc(pkt_size, GFP_KERNEL);
943 open = p + APR_HDR_SIZE;
944 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
946 pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_WRITE_V3;
947 open->mode_flags = 0x00;
948 open->mode_flags |= ASM_LEGACY_STREAM_SESSION;
950 open->mode_flags |= BIT(ASM_SHIFT_GAPLESS_MODE_FLAG);
952 /* source endpoint : matrix */
953 open->sink_endpointype = ASM_END_POINT_DEVICE_MATRIX;
954 open->bits_per_sample = bits_per_sample;
955 open->postprocopo_id = ASM_NULL_POPP_TOPOLOGY;
958 case SND_AUDIOCODEC_MP3:
959 open->dec_fmt_id = ASM_MEDIA_FMT_MP3;
961 case FORMAT_LINEAR_PCM:
962 open->dec_fmt_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
964 case SND_AUDIOCODEC_FLAC:
965 open->dec_fmt_id = ASM_MEDIA_FMT_FLAC;
967 case SND_AUDIOCODEC_WMA:
968 switch (codec_profile) {
969 case SND_AUDIOPROFILE_WMA9:
970 open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V9;
972 case SND_AUDIOPROFILE_WMA10:
973 case SND_AUDIOPROFILE_WMA9_PRO:
974 case SND_AUDIOPROFILE_WMA9_LOSSLESS:
975 case SND_AUDIOPROFILE_WMA10_LOSSLESS:
976 open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V10;
979 dev_err(ac->dev, "Invalid codec profile 0x%x\n",
985 case SND_AUDIOCODEC_ALAC:
986 open->dec_fmt_id = ASM_MEDIA_FMT_ALAC;
988 case SND_AUDIOCODEC_APE:
989 open->dec_fmt_id = ASM_MEDIA_FMT_APE;
992 dev_err(ac->dev, "Invalid format 0x%x\n", format);
997 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1001 ac->io_mode |= ASM_TUN_WRITE_IO_MODE;
1007 EXPORT_SYMBOL_GPL(q6asm_open_write);
1009 static int __q6asm_run(struct audio_client *ac, uint32_t stream_id,
1010 uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts,
1013 struct asm_session_cmd_run_v2 *run;
1014 struct apr_pkt *pkt;
1018 pkt_size = APR_HDR_SIZE + sizeof(*run);
1019 p = kzalloc(pkt_size, GFP_ATOMIC);
1024 run = p + APR_HDR_SIZE;
1026 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1028 pkt->hdr.opcode = ASM_SESSION_CMD_RUN_V2;
1030 run->time_lsw = lsw_ts;
1031 run->time_msw = msw_ts;
1033 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1035 rc = apr_send_pkt(ac->adev, pkt);
1045 * q6asm_run() - start the audio client
1047 * @ac: audio client pointer
1048 * @stream_id: stream id of q6asm session
1049 * @flags: flags associated with write
1050 * @msw_ts: timestamp msw
1051 * @lsw_ts: timestamp lsw
1053 * Return: Will be an negative value on error or zero on success
1055 int q6asm_run(struct audio_client *ac, uint32_t stream_id, uint32_t flags,
1056 uint32_t msw_ts, uint32_t lsw_ts)
1058 return __q6asm_run(ac, stream_id, flags, msw_ts, lsw_ts, true);
1060 EXPORT_SYMBOL_GPL(q6asm_run);
1063 * q6asm_run_nowait() - start the audio client withou blocking
1065 * @ac: audio client pointer
1066 * @stream_id: stream id
1067 * @flags: flags associated with write
1068 * @msw_ts: timestamp msw
1069 * @lsw_ts: timestamp lsw
1071 * Return: Will be an negative value on error or zero on success
1073 int q6asm_run_nowait(struct audio_client *ac, uint32_t stream_id,
1074 uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts)
1076 return __q6asm_run(ac, stream_id, flags, msw_ts, lsw_ts, false);
1078 EXPORT_SYMBOL_GPL(q6asm_run_nowait);
1081 * q6asm_media_format_block_multi_ch_pcm() - setup pcm configuration
1083 * @ac: audio client pointer
1084 * @stream_id: stream id
1085 * @rate: audio sample rate
1086 * @channels: number of audio channels.
1087 * @channel_map: channel map pointer
1088 * @bits_per_sample: bits per sample
1090 * Return: Will be an negative value on error or zero on success
1092 int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac,
1094 uint32_t rate, uint32_t channels,
1095 u8 channel_map[PCM_MAX_NUM_CHANNEL],
1096 uint16_t bits_per_sample)
1098 struct asm_multi_channel_pcm_fmt_blk_v2 *fmt;
1099 struct apr_pkt *pkt;
1100 u8 *channel_mapping;
1104 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1105 p = kzalloc(pkt_size, GFP_KERNEL);
1110 fmt = p + APR_HDR_SIZE;
1112 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1114 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1115 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1116 fmt->num_channels = channels;
1117 fmt->bits_per_sample = bits_per_sample;
1118 fmt->sample_rate = rate;
1121 channel_mapping = fmt->channel_mapping;
1124 memcpy(channel_mapping, channel_map, PCM_MAX_NUM_CHANNEL);
1126 if (q6dsp_map_channels(channel_mapping, channels)) {
1127 dev_err(ac->dev, " map channels failed %d\n", channels);
1133 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1139 EXPORT_SYMBOL_GPL(q6asm_media_format_block_multi_ch_pcm);
1141 int q6asm_stream_media_format_block_flac(struct audio_client *ac,
1143 struct q6asm_flac_cfg *cfg)
1145 struct asm_flac_fmt_blk_v2 *fmt;
1146 struct apr_pkt *pkt;
1150 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1151 p = kzalloc(pkt_size, GFP_KERNEL);
1156 fmt = p + APR_HDR_SIZE;
1158 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1160 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1161 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1162 fmt->is_stream_info_present = cfg->stream_info_present;
1163 fmt->num_channels = cfg->ch_cfg;
1164 fmt->min_blk_size = cfg->min_blk_size;
1165 fmt->max_blk_size = cfg->max_blk_size;
1166 fmt->sample_rate = cfg->sample_rate;
1167 fmt->min_frame_size = cfg->min_frame_size;
1168 fmt->max_frame_size = cfg->max_frame_size;
1169 fmt->sample_size = cfg->sample_size;
1171 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1176 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_flac);
1178 int q6asm_stream_media_format_block_wma_v9(struct audio_client *ac,
1180 struct q6asm_wma_cfg *cfg)
1182 struct asm_wmastdv9_fmt_blk_v2 *fmt;
1183 struct apr_pkt *pkt;
1187 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1188 p = kzalloc(pkt_size, GFP_KERNEL);
1193 fmt = p + APR_HDR_SIZE;
1195 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1197 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1198 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1199 fmt->fmtag = cfg->fmtag;
1200 fmt->num_channels = cfg->num_channels;
1201 fmt->sample_rate = cfg->sample_rate;
1202 fmt->bytes_per_sec = cfg->bytes_per_sec;
1203 fmt->blk_align = cfg->block_align;
1204 fmt->bits_per_sample = cfg->bits_per_sample;
1205 fmt->channel_mask = cfg->channel_mask;
1206 fmt->enc_options = cfg->enc_options;
1209 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1214 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v9);
1216 int q6asm_stream_media_format_block_wma_v10(struct audio_client *ac,
1218 struct q6asm_wma_cfg *cfg)
1220 struct asm_wmaprov10_fmt_blk_v2 *fmt;
1221 struct apr_pkt *pkt;
1225 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1226 p = kzalloc(pkt_size, GFP_KERNEL);
1231 fmt = p + APR_HDR_SIZE;
1233 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1235 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1236 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1237 fmt->fmtag = cfg->fmtag;
1238 fmt->num_channels = cfg->num_channels;
1239 fmt->sample_rate = cfg->sample_rate;
1240 fmt->bytes_per_sec = cfg->bytes_per_sec;
1241 fmt->blk_align = cfg->block_align;
1242 fmt->bits_per_sample = cfg->bits_per_sample;
1243 fmt->channel_mask = cfg->channel_mask;
1244 fmt->enc_options = cfg->enc_options;
1245 fmt->advanced_enc_options1 = cfg->adv_enc_options;
1246 fmt->advanced_enc_options2 = cfg->adv_enc_options2;
1248 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1253 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v10);
1255 int q6asm_stream_media_format_block_alac(struct audio_client *ac,
1257 struct q6asm_alac_cfg *cfg)
1259 struct asm_alac_fmt_blk_v2 *fmt;
1260 struct apr_pkt *pkt;
1264 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1265 p = kzalloc(pkt_size, GFP_KERNEL);
1270 fmt = p + APR_HDR_SIZE;
1272 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1274 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1275 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1277 fmt->frame_length = cfg->frame_length;
1278 fmt->compatible_version = cfg->compatible_version;
1279 fmt->bit_depth = cfg->bit_depth;
1280 fmt->num_channels = cfg->num_channels;
1281 fmt->max_run = cfg->max_run;
1282 fmt->max_frame_bytes = cfg->max_frame_bytes;
1283 fmt->avg_bit_rate = cfg->avg_bit_rate;
1284 fmt->sample_rate = cfg->sample_rate;
1285 fmt->channel_layout_tag = cfg->channel_layout_tag;
1290 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1295 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_alac);
1297 int q6asm_stream_media_format_block_ape(struct audio_client *ac,
1299 struct q6asm_ape_cfg *cfg)
1301 struct asm_ape_fmt_blk_v2 *fmt;
1302 struct apr_pkt *pkt;
1306 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1307 p = kzalloc(pkt_size, GFP_KERNEL);
1312 fmt = p + APR_HDR_SIZE;
1314 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1316 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1317 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1319 fmt->compatible_version = cfg->compatible_version;
1320 fmt->compression_level = cfg->compression_level;
1321 fmt->format_flags = cfg->format_flags;
1322 fmt->blocks_per_frame = cfg->blocks_per_frame;
1323 fmt->final_frame_blocks = cfg->final_frame_blocks;
1324 fmt->total_frames = cfg->total_frames;
1325 fmt->bits_per_sample = cfg->bits_per_sample;
1326 fmt->num_channels = cfg->num_channels;
1327 fmt->sample_rate = cfg->sample_rate;
1328 fmt->seek_table_present = cfg->seek_table_present;
1330 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1335 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_ape);
1337 static int q6asm_stream_remove_silence(struct audio_client *ac, uint32_t stream_id,
1339 uint32_t num_samples)
1342 struct apr_pkt *pkt;
1346 pkt_size = APR_HDR_SIZE + sizeof(uint32_t);
1347 p = kzalloc(pkt_size, GFP_ATOMIC);
1352 samples = p + APR_HDR_SIZE;
1354 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1356 pkt->hdr.opcode = cmd;
1357 *samples = num_samples;
1358 rc = apr_send_pkt(ac->adev, pkt);
1367 int q6asm_stream_remove_initial_silence(struct audio_client *ac,
1369 uint32_t initial_samples)
1371 return q6asm_stream_remove_silence(ac, stream_id,
1372 ASM_DATA_CMD_REMOVE_INITIAL_SILENCE,
1375 EXPORT_SYMBOL_GPL(q6asm_stream_remove_initial_silence);
1377 int q6asm_stream_remove_trailing_silence(struct audio_client *ac, uint32_t stream_id,
1378 uint32_t trailing_samples)
1380 return q6asm_stream_remove_silence(ac, stream_id,
1381 ASM_DATA_CMD_REMOVE_TRAILING_SILENCE,
1384 EXPORT_SYMBOL_GPL(q6asm_stream_remove_trailing_silence);
1387 * q6asm_enc_cfg_blk_pcm_format_support() - setup pcm configuration for capture
1389 * @ac: audio client pointer
1390 * @stream_id: stream id
1391 * @rate: audio sample rate
1392 * @channels: number of audio channels.
1393 * @bits_per_sample: bits per sample
1395 * Return: Will be an negative value on error or zero on success
1397 int q6asm_enc_cfg_blk_pcm_format_support(struct audio_client *ac,
1398 uint32_t stream_id, uint32_t rate,
1400 uint16_t bits_per_sample)
1402 struct asm_multi_channel_pcm_enc_cfg_v2 *enc_cfg;
1403 struct apr_pkt *pkt;
1404 u8 *channel_mapping;
1405 u32 frames_per_buf = 0;
1409 pkt_size = APR_HDR_SIZE + sizeof(*enc_cfg);
1410 p = kzalloc(pkt_size, GFP_KERNEL);
1415 enc_cfg = p + APR_HDR_SIZE;
1416 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1418 pkt->hdr.opcode = ASM_STREAM_CMD_SET_ENCDEC_PARAM;
1419 enc_cfg->encdec.param_id = ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2;
1420 enc_cfg->encdec.param_size = sizeof(*enc_cfg) - sizeof(enc_cfg->encdec);
1421 enc_cfg->encblk.frames_per_buf = frames_per_buf;
1422 enc_cfg->encblk.enc_cfg_blk_size = enc_cfg->encdec.param_size -
1423 sizeof(struct asm_enc_cfg_blk_param_v2);
1425 enc_cfg->num_channels = channels;
1426 enc_cfg->bits_per_sample = bits_per_sample;
1427 enc_cfg->sample_rate = rate;
1428 enc_cfg->is_signed = 1;
1429 channel_mapping = enc_cfg->channel_mapping;
1431 if (q6dsp_map_channels(channel_mapping, channels)) {
1436 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1441 EXPORT_SYMBOL_GPL(q6asm_enc_cfg_blk_pcm_format_support);
1445 * q6asm_read() - read data of period size from audio client
1447 * @ac: audio client pointer
1448 * @stream_id: stream id
1450 * Return: Will be an negative value on error or zero on success
1452 int q6asm_read(struct audio_client *ac, uint32_t stream_id)
1454 struct asm_data_cmd_read_v2 *read;
1455 struct audio_port_data *port;
1456 struct audio_buffer *ab;
1457 struct apr_pkt *pkt;
1458 unsigned long flags;
1463 pkt_size = APR_HDR_SIZE + sizeof(*read);
1464 p = kzalloc(pkt_size, GFP_ATOMIC);
1469 read = p + APR_HDR_SIZE;
1471 spin_lock_irqsave(&ac->lock, flags);
1472 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
1473 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, stream_id);
1474 ab = &port->buf[port->dsp_buf];
1475 pkt->hdr.opcode = ASM_DATA_CMD_READ_V2;
1476 read->buf_addr_lsw = lower_32_bits(ab->phys);
1477 read->buf_addr_msw = upper_32_bits(ab->phys);
1478 read->mem_map_handle = port->mem_map_handle;
1480 read->buf_size = ab->size;
1481 read->seq_id = port->dsp_buf;
1482 pkt->hdr.token = port->dsp_buf;
1486 if (port->dsp_buf >= port->num_periods)
1489 spin_unlock_irqrestore(&ac->lock, flags);
1490 rc = apr_send_pkt(ac->adev, pkt);
1494 pr_err("read op[0x%x]rc[%d]\n", pkt->hdr.opcode, rc);
1499 EXPORT_SYMBOL_GPL(q6asm_read);
1501 static int __q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
1502 uint32_t format, uint16_t bits_per_sample)
1504 struct asm_stream_cmd_open_read_v3 *open;
1505 struct apr_pkt *pkt;
1509 pkt_size = APR_HDR_SIZE + sizeof(*open);
1510 p = kzalloc(pkt_size, GFP_KERNEL);
1515 open = p + APR_HDR_SIZE;
1517 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1518 pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_READ_V3;
1519 /* Stream prio : High, provide meta info with encoded frames */
1520 open->src_endpointype = ASM_END_POINT_DEVICE_MATRIX;
1522 open->preprocopo_id = ASM_STREAM_POSTPROC_TOPO_ID_NONE;
1523 open->bits_per_sample = bits_per_sample;
1524 open->mode_flags = 0x0;
1526 open->mode_flags |= ASM_LEGACY_STREAM_SESSION <<
1527 ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ;
1530 case FORMAT_LINEAR_PCM:
1531 open->mode_flags |= 0x00;
1532 open->enc_cfg_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
1535 pr_err("Invalid format[%d]\n", format);
1538 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1545 * q6asm_open_read() - Open audio client for reading
1547 * @ac: audio client pointer
1548 * @stream_id: stream id
1549 * @format: audio sample format
1550 * @bits_per_sample: bits per sample
1552 * Return: Will be an negative value on error or zero on success
1554 int q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
1555 uint32_t format, uint16_t bits_per_sample)
1557 return __q6asm_open_read(ac, stream_id, format, bits_per_sample);
1559 EXPORT_SYMBOL_GPL(q6asm_open_read);
1562 * q6asm_write_async() - non blocking write
1564 * @ac: audio client pointer
1565 * @stream_id: stream id
1566 * @len: length in bytes
1567 * @msw_ts: timestamp msw
1568 * @lsw_ts: timestamp lsw
1569 * @wflags: flags associated with write
1571 * Return: Will be an negative value on error or zero on success
1573 int q6asm_write_async(struct audio_client *ac, uint32_t stream_id, uint32_t len,
1574 uint32_t msw_ts, uint32_t lsw_ts, uint32_t wflags)
1576 struct asm_data_cmd_write_v2 *write;
1577 struct audio_port_data *port;
1578 struct audio_buffer *ab;
1579 unsigned long flags;
1580 struct apr_pkt *pkt;
1585 pkt_size = APR_HDR_SIZE + sizeof(*write);
1586 p = kzalloc(pkt_size, GFP_ATOMIC);
1591 write = p + APR_HDR_SIZE;
1593 spin_lock_irqsave(&ac->lock, flags);
1594 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
1595 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, stream_id);
1597 ab = &port->buf[port->dsp_buf];
1598 pkt->hdr.token = port->dsp_buf | (len << ASM_WRITE_TOKEN_LEN_SHIFT);
1599 pkt->hdr.opcode = ASM_DATA_CMD_WRITE_V2;
1600 write->buf_addr_lsw = lower_32_bits(ab->phys);
1601 write->buf_addr_msw = upper_32_bits(ab->phys);
1602 write->buf_size = len;
1603 write->seq_id = port->dsp_buf;
1604 write->timestamp_lsw = lsw_ts;
1605 write->timestamp_msw = msw_ts;
1606 write->mem_map_handle =
1607 ac->port[SNDRV_PCM_STREAM_PLAYBACK].mem_map_handle;
1609 write->flags = wflags;
1613 if (port->dsp_buf >= port->num_periods)
1616 spin_unlock_irqrestore(&ac->lock, flags);
1617 rc = apr_send_pkt(ac->adev, pkt);
1624 EXPORT_SYMBOL_GPL(q6asm_write_async);
1626 static void q6asm_reset_buf_state(struct audio_client *ac)
1628 struct audio_port_data *port;
1629 unsigned long flags;
1631 spin_lock_irqsave(&ac->lock, flags);
1632 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
1634 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
1636 spin_unlock_irqrestore(&ac->lock, flags);
1639 static int __q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd,
1645 q6asm_add_hdr(ac, &pkt.hdr, APR_HDR_SIZE, true, stream_id);
1649 pkt.hdr.opcode = ASM_SESSION_CMD_PAUSE;
1652 pkt.hdr.opcode = ASM_SESSION_CMD_SUSPEND;
1655 pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH;
1658 pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH_READBUFS;
1661 pkt.hdr.opcode = ASM_DATA_CMD_EOS;
1664 pkt.hdr.opcode = ASM_STREAM_CMD_CLOSE;
1671 rc = q6asm_ac_send_cmd_sync(ac, &pkt);
1673 return apr_send_pkt(ac->adev, &pkt);
1678 if (cmd == CMD_FLUSH)
1679 q6asm_reset_buf_state(ac);
1685 * q6asm_cmd() - run cmd on audio client
1687 * @ac: audio client pointer
1688 * @stream_id: stream id
1689 * @cmd: command to run on audio client.
1691 * Return: Will be an negative value on error or zero on success
1693 int q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd)
1695 return __q6asm_cmd(ac, stream_id, cmd, true);
1697 EXPORT_SYMBOL_GPL(q6asm_cmd);
1700 * q6asm_cmd_nowait() - non blocking, run cmd on audio client
1702 * @ac: audio client pointer
1703 * @stream_id: stream id
1704 * @cmd: command to run on audio client.
1706 * Return: Will be an negative value on error or zero on success
1708 int q6asm_cmd_nowait(struct audio_client *ac, uint32_t stream_id, int cmd)
1710 return __q6asm_cmd(ac, stream_id, cmd, false);
1712 EXPORT_SYMBOL_GPL(q6asm_cmd_nowait);
1714 static int q6asm_probe(struct apr_device *adev)
1716 struct device *dev = &adev->dev;
1717 struct q6asm *q6asm;
1719 q6asm = devm_kzalloc(dev, sizeof(*q6asm), GFP_KERNEL);
1723 q6core_get_svc_api_info(adev->svc_id, &q6asm->ainfo);
1727 init_waitqueue_head(&q6asm->mem_wait);
1728 spin_lock_init(&q6asm->slock);
1729 dev_set_drvdata(dev, q6asm);
1731 return devm_of_platform_populate(dev);
1735 static const struct of_device_id q6asm_device_id[] = {
1736 { .compatible = "qcom,q6asm" },
1739 MODULE_DEVICE_TABLE(of, q6asm_device_id);
1742 static struct apr_driver qcom_q6asm_driver = {
1743 .probe = q6asm_probe,
1744 .callback = q6asm_srvc_callback,
1746 .name = "qcom-q6asm",
1747 .of_match_table = of_match_ptr(q6asm_device_id),
1751 module_apr_driver(qcom_q6asm_driver);
1752 MODULE_DESCRIPTION("Q6 Audio Stream Manager driver");
1753 MODULE_LICENSE("GPL v2");