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 <linux/mutex.h>
6 #include <linux/wait.h>
7 #include <linux/module.h>
8 #include <linux/soc/qcom/apr.h>
9 #include <linux/device.h>
10 #include <linux/of_platform.h>
11 #include <linux/spinlock.h>
12 #include <linux/kref.h>
14 #include <uapi/sound/asound.h>
15 #include <uapi/sound/compress_params.h>
16 #include <linux/delay.h>
17 #include <linux/slab.h>
21 #include "q6dsp-errno.h"
22 #include "q6dsp-common.h"
24 #define ASM_STREAM_CMD_CLOSE 0x00010BCD
25 #define ASM_STREAM_CMD_FLUSH 0x00010BCE
26 #define ASM_SESSION_CMD_PAUSE 0x00010BD3
27 #define ASM_DATA_CMD_EOS 0x00010BDB
28 #define ASM_DATA_EVENT_RENDERED_EOS 0x00010C1C
29 #define ASM_NULL_POPP_TOPOLOGY 0x00010C68
30 #define ASM_STREAM_CMD_FLUSH_READBUFS 0x00010C09
31 #define ASM_STREAM_CMD_SET_ENCDEC_PARAM 0x00010C10
32 #define ASM_STREAM_POSTPROC_TOPO_ID_NONE 0x00010C68
33 #define ASM_CMD_SHARED_MEM_MAP_REGIONS 0x00010D92
34 #define ASM_CMDRSP_SHARED_MEM_MAP_REGIONS 0x00010D93
35 #define ASM_CMD_SHARED_MEM_UNMAP_REGIONS 0x00010D94
36 #define ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2 0x00010D98
37 #define ASM_DATA_EVENT_WRITE_DONE_V2 0x00010D99
38 #define ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2 0x00010DA3
39 #define ASM_SESSION_CMD_RUN_V2 0x00010DAA
40 #define ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2 0x00010DA5
41 #define ASM_MEDIA_FMT_MP3 0x00010BE9
42 #define ASM_MEDIA_FMT_FLAC 0x00010C16
43 #define ASM_MEDIA_FMT_WMA_V9 0x00010DA8
44 #define ASM_MEDIA_FMT_WMA_V10 0x00010DA7
45 #define ASM_DATA_CMD_WRITE_V2 0x00010DAB
46 #define ASM_DATA_CMD_READ_V2 0x00010DAC
47 #define ASM_SESSION_CMD_SUSPEND 0x00010DEC
48 #define ASM_STREAM_CMD_OPEN_WRITE_V3 0x00010DB3
49 #define ASM_STREAM_CMD_OPEN_READ_V3 0x00010DB4
50 #define ASM_DATA_EVENT_READ_DONE_V2 0x00010D9A
51 #define ASM_STREAM_CMD_OPEN_READWRITE_V2 0x00010D8D
52 #define ASM_MEDIA_FMT_ALAC 0x00012f31
53 #define ASM_MEDIA_FMT_APE 0x00012f32
54 #define ASM_DATA_CMD_REMOVE_INITIAL_SILENCE 0x00010D67
55 #define ASM_DATA_CMD_REMOVE_TRAILING_SILENCE 0x00010D68
58 #define ASM_LEGACY_STREAM_SESSION 0
59 /* Bit shift for the stream_perf_mode subfield. */
60 #define ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ 29
61 #define ASM_END_POINT_DEVICE_MATRIX 0
62 #define ASM_DEFAULT_APP_TYPE 0
63 #define ASM_SYNC_IO_MODE 0x0001
64 #define ASM_ASYNC_IO_MODE 0x0002
65 #define ASM_TUN_READ_IO_MODE 0x0004 /* tunnel read write mode */
66 #define ASM_TUN_WRITE_IO_MODE 0x0008 /* tunnel read write mode */
67 #define ASM_SHIFT_GAPLESS_MODE_FLAG 31
68 #define ADSP_MEMORY_MAP_SHMEM8_4K_POOL 3
70 struct avs_cmd_shared_mem_map_regions {
76 struct avs_shared_map_region_payload {
82 struct avs_cmd_shared_mem_unmap_regions {
86 struct asm_data_cmd_media_fmt_update_v2 {
90 struct asm_multi_channel_pcm_fmt_blk_v2 {
91 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
97 u8 channel_mapping[PCM_MAX_NUM_CHANNEL];
100 struct asm_flac_fmt_blk_v2 {
101 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
102 u16 is_stream_info_present;
114 struct asm_wmastdv9_fmt_blk_v2 {
115 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
127 struct asm_wmaprov10_fmt_blk_v2 {
128 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
137 u16 advanced_enc_options1;
138 u32 advanced_enc_options2;
141 struct asm_alac_fmt_blk_v2 {
142 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
144 u8 compatible_version;
154 u32 channel_layout_tag;
157 struct asm_ape_fmt_blk_v2 {
158 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
159 u16 compatible_version;
160 u16 compression_level;
162 u32 blocks_per_frame;
163 u32 final_frame_blocks;
168 u32 seek_table_present;
171 struct asm_stream_cmd_set_encdec_param {
176 struct asm_enc_cfg_blk_param_v2 {
178 u32 enc_cfg_blk_size;
181 struct asm_multi_channel_pcm_enc_cfg_v2 {
182 struct asm_stream_cmd_set_encdec_param encdec;
183 struct asm_enc_cfg_blk_param_v2 encblk;
184 uint16_t num_channels;
185 uint16_t bits_per_sample;
186 uint32_t sample_rate;
189 uint8_t channel_mapping[8];
192 struct asm_data_cmd_read_v2 {
200 struct asm_data_cmd_read_v2_done {
206 struct asm_stream_cmd_open_read_v3 {
215 struct asm_data_cmd_write_v2 {
226 struct asm_stream_cmd_open_write_v3 {
228 uint16_t sink_endpointype;
229 uint16_t bits_per_sample;
230 uint32_t postprocopo_id;
234 struct asm_session_cmd_run_v2 {
240 struct audio_buffer {
242 uint32_t size; /* size of buffer */
245 struct audio_port_data {
246 struct audio_buffer *buf;
247 uint32_t num_periods;
249 uint32_t mem_map_handle;
253 struct apr_device *adev;
255 struct q6core_svc_api_info ainfo;
256 wait_queue_head_t mem_wait;
258 struct audio_client *session[MAX_SESSIONS + 1];
261 struct audio_client {
266 struct apr_device *adev;
267 struct mutex cmd_lock;
269 struct kref refcount;
270 /* idx:1 out port, 0: in port */
271 struct audio_port_data port[2];
272 wait_queue_head_t cmd_wait;
273 struct aprv2_ibasic_rsp_result_t result;
279 static inline void q6asm_add_hdr(struct audio_client *ac, struct apr_hdr *hdr,
280 uint32_t pkt_size, bool cmd_flg,
283 hdr->hdr_field = APR_SEQ_CMD_HDR_FIELD;
284 hdr->src_port = ((ac->session << 8) & 0xFF00) | (stream_id);
285 hdr->dest_port = ((ac->session << 8) & 0xFF00) | (stream_id);
286 hdr->pkt_size = pkt_size;
288 hdr->token = ac->session;
291 static int q6asm_apr_send_session_pkt(struct q6asm *a, struct audio_client *ac,
292 struct apr_pkt *pkt, uint32_t rsp_opcode)
294 struct apr_hdr *hdr = &pkt->hdr;
297 mutex_lock(&ac->cmd_lock);
298 ac->result.opcode = 0;
299 ac->result.status = 0;
300 rc = apr_send_pkt(a->adev, pkt);
305 rc = wait_event_timeout(a->mem_wait,
306 (ac->result.opcode == hdr->opcode) ||
307 (ac->result.opcode == rsp_opcode),
310 rc = wait_event_timeout(a->mem_wait,
311 (ac->result.opcode == hdr->opcode),
315 dev_err(a->dev, "CMD %x timeout\n", hdr->opcode);
317 } else if (ac->result.status > 0) {
318 dev_err(a->dev, "DSP returned error[%x]\n",
324 mutex_unlock(&ac->cmd_lock);
328 static int __q6asm_memory_unmap(struct audio_client *ac,
329 phys_addr_t buf_add, int dir)
331 struct avs_cmd_shared_mem_unmap_regions *mem_unmap;
332 struct q6asm *a = dev_get_drvdata(ac->dev->parent);
337 if (ac->port[dir].mem_map_handle == 0) {
338 dev_err(ac->dev, "invalid mem handle\n");
342 pkt_size = APR_HDR_SIZE + sizeof(*mem_unmap);
343 p = kzalloc(pkt_size, GFP_KERNEL);
348 mem_unmap = p + APR_HDR_SIZE;
350 pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
351 pkt->hdr.src_port = 0;
352 pkt->hdr.dest_port = 0;
353 pkt->hdr.pkt_size = pkt_size;
354 pkt->hdr.token = ((ac->session << 8) | dir);
356 pkt->hdr.opcode = ASM_CMD_SHARED_MEM_UNMAP_REGIONS;
357 mem_unmap->mem_map_handle = ac->port[dir].mem_map_handle;
359 rc = q6asm_apr_send_session_pkt(a, ac, pkt, 0);
365 ac->port[dir].mem_map_handle = 0;
372 static void q6asm_audio_client_free_buf(struct audio_client *ac,
373 struct audio_port_data *port)
377 spin_lock_irqsave(&ac->lock, flags);
378 port->num_periods = 0;
381 spin_unlock_irqrestore(&ac->lock, flags);
385 * q6asm_unmap_memory_regions() - unmap memory regions in the dsp.
387 * @dir: direction of audio stream
388 * @ac: audio client instanace
390 * Return: Will be an negative value on failure or zero on success
392 int q6asm_unmap_memory_regions(unsigned int dir, struct audio_client *ac)
394 struct audio_port_data *port;
398 port = &ac->port[dir];
404 cnt = port->num_periods - 1;
406 rc = __q6asm_memory_unmap(ac, port->buf[dir].phys, dir);
408 dev_err(ac->dev, "%s: Memory_unmap_regions failed %d\n",
414 q6asm_audio_client_free_buf(ac, port);
419 EXPORT_SYMBOL_GPL(q6asm_unmap_memory_regions);
421 static int __q6asm_memory_map_regions(struct audio_client *ac, int dir,
422 size_t period_sz, unsigned int periods,
425 struct avs_cmd_shared_mem_map_regions *cmd = NULL;
426 struct avs_shared_map_region_payload *mregions = NULL;
427 struct q6asm *a = dev_get_drvdata(ac->dev->parent);
428 struct audio_port_data *port = NULL;
429 struct audio_buffer *ab = NULL;
433 uint32_t num_regions, buf_sz;
438 buf_sz = period_sz * periods;
441 num_regions = periods;
444 /* DSP expects size should be aligned to 4K */
445 buf_sz = ALIGN(buf_sz, 4096);
447 pkt_size = APR_HDR_SIZE + sizeof(*cmd) +
448 (sizeof(*mregions) * num_regions);
450 p = kzalloc(pkt_size, GFP_KERNEL);
455 cmd = p + APR_HDR_SIZE;
456 mregions = p + APR_HDR_SIZE + sizeof(*cmd);
458 pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
459 pkt->hdr.src_port = 0;
460 pkt->hdr.dest_port = 0;
461 pkt->hdr.pkt_size = pkt_size;
462 pkt->hdr.token = ((ac->session << 8) | dir);
463 pkt->hdr.opcode = ASM_CMD_SHARED_MEM_MAP_REGIONS;
465 cmd->mem_pool_id = ADSP_MEMORY_MAP_SHMEM8_4K_POOL;
466 cmd->num_regions = num_regions;
467 cmd->property_flag = 0x00;
469 spin_lock_irqsave(&ac->lock, flags);
470 port = &ac->port[dir];
472 for (i = 0; i < num_regions; i++) {
474 mregions->shm_addr_lsw = lower_32_bits(ab->phys);
475 mregions->shm_addr_msw = upper_32_bits(ab->phys);
476 mregions->mem_size_bytes = buf_sz;
479 spin_unlock_irqrestore(&ac->lock, flags);
481 rc = q6asm_apr_send_session_pkt(a, ac, pkt,
482 ASM_CMDRSP_SHARED_MEM_MAP_REGIONS);
490 * q6asm_map_memory_regions() - map memory regions in the dsp.
492 * @dir: direction of audio stream
493 * @ac: audio client instanace
494 * @phys: physcial address that needs mapping.
495 * @period_sz: audio period size
496 * @periods: number of periods
498 * Return: Will be an negative value on failure or zero on success
500 int q6asm_map_memory_regions(unsigned int dir, struct audio_client *ac,
502 size_t period_sz, unsigned int periods)
504 struct audio_buffer *buf;
509 spin_lock_irqsave(&ac->lock, flags);
510 if (ac->port[dir].buf) {
511 dev_err(ac->dev, "Buffer already allocated\n");
512 spin_unlock_irqrestore(&ac->lock, flags);
516 buf = kzalloc(((sizeof(struct audio_buffer)) * periods), GFP_ATOMIC);
518 spin_unlock_irqrestore(&ac->lock, flags);
523 ac->port[dir].buf = buf;
526 buf[0].size = period_sz;
528 for (cnt = 1; cnt < periods; cnt++) {
530 buf[cnt].phys = buf[0].phys + (cnt * period_sz);
531 buf[cnt].size = period_sz;
534 ac->port[dir].num_periods = periods;
536 spin_unlock_irqrestore(&ac->lock, flags);
538 rc = __q6asm_memory_map_regions(ac, dir, period_sz, periods, 1);
540 dev_err(ac->dev, "Memory_map_regions failed\n");
541 q6asm_audio_client_free_buf(ac, &ac->port[dir]);
546 EXPORT_SYMBOL_GPL(q6asm_map_memory_regions);
548 static void q6asm_audio_client_release(struct kref *ref)
550 struct audio_client *ac;
554 ac = container_of(ref, struct audio_client, refcount);
557 spin_lock_irqsave(&a->slock, flags);
558 a->session[ac->session] = NULL;
559 spin_unlock_irqrestore(&a->slock, flags);
565 * q6asm_audio_client_free() - Freee allocated audio client
567 * @ac: audio client to free
569 void q6asm_audio_client_free(struct audio_client *ac)
571 kref_put(&ac->refcount, q6asm_audio_client_release);
573 EXPORT_SYMBOL_GPL(q6asm_audio_client_free);
575 static struct audio_client *q6asm_get_audio_client(struct q6asm *a,
578 struct audio_client *ac = NULL;
581 spin_lock_irqsave(&a->slock, flags);
582 if ((session_id <= 0) || (session_id > MAX_SESSIONS)) {
583 dev_err(a->dev, "invalid session: %d\n", session_id);
587 /* check for valid session */
588 if (!a->session[session_id])
590 else if (a->session[session_id]->session != session_id)
593 ac = a->session[session_id];
594 kref_get(&ac->refcount);
596 spin_unlock_irqrestore(&a->slock, flags);
600 static int32_t q6asm_stream_callback(struct apr_device *adev,
601 struct apr_resp_pkt *data,
604 struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
605 struct aprv2_ibasic_rsp_result_t *result;
606 struct apr_hdr *hdr = &data->hdr;
607 struct audio_port_data *port;
608 struct audio_client *ac;
609 uint32_t client_event = 0;
612 ac = q6asm_get_audio_client(q6asm, session_id);
613 if (!ac)/* Audio client might already be freed by now */
616 result = data->payload;
618 switch (hdr->opcode) {
619 case APR_BASIC_RSP_RESULT:
620 switch (result->opcode) {
621 case ASM_SESSION_CMD_PAUSE:
622 client_event = ASM_CLIENT_EVENT_CMD_PAUSE_DONE;
624 case ASM_SESSION_CMD_SUSPEND:
625 client_event = ASM_CLIENT_EVENT_CMD_SUSPEND_DONE;
627 case ASM_STREAM_CMD_FLUSH:
628 client_event = ASM_CLIENT_EVENT_CMD_FLUSH_DONE;
630 case ASM_SESSION_CMD_RUN_V2:
631 client_event = ASM_CLIENT_EVENT_CMD_RUN_DONE;
633 case ASM_STREAM_CMD_CLOSE:
634 client_event = ASM_CLIENT_EVENT_CMD_CLOSE_DONE;
636 case ASM_STREAM_CMD_FLUSH_READBUFS:
637 client_event = ASM_CLIENT_EVENT_CMD_OUT_FLUSH_DONE;
639 case ASM_STREAM_CMD_OPEN_WRITE_V3:
640 case ASM_STREAM_CMD_OPEN_READ_V3:
641 case ASM_STREAM_CMD_OPEN_READWRITE_V2:
642 case ASM_STREAM_CMD_SET_ENCDEC_PARAM:
643 case ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2:
644 case ASM_DATA_CMD_REMOVE_INITIAL_SILENCE:
645 case ASM_DATA_CMD_REMOVE_TRAILING_SILENCE:
646 if (result->status != 0) {
648 "cmd = 0x%x returned error = 0x%x\n",
649 result->opcode, result->status);
650 ac->result = *result;
651 wake_up(&ac->cmd_wait);
657 dev_err(ac->dev, "command[0x%x] not expecting rsp\n",
662 ac->result = *result;
663 wake_up(&ac->cmd_wait);
666 ac->cb(client_event, hdr->token,
667 data->payload, ac->priv);
672 case ASM_DATA_EVENT_WRITE_DONE_V2:
673 client_event = ASM_CLIENT_EVENT_DATA_WRITE_DONE;
674 if (ac->io_mode & ASM_SYNC_IO_MODE) {
677 int token = hdr->token & ASM_WRITE_TOKEN_MASK;
679 spin_lock_irqsave(&ac->lock, flags);
681 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
684 spin_unlock_irqrestore(&ac->lock, flags);
689 phys = port->buf[token].phys;
691 if (lower_32_bits(phys) != result->opcode ||
692 upper_32_bits(phys) != result->status) {
693 dev_err(ac->dev, "Expected addr %pa\n",
694 &port->buf[token].phys);
695 spin_unlock_irqrestore(&ac->lock, flags);
699 spin_unlock_irqrestore(&ac->lock, flags);
702 case ASM_DATA_EVENT_READ_DONE_V2:
703 client_event = ASM_CLIENT_EVENT_DATA_READ_DONE;
704 if (ac->io_mode & ASM_SYNC_IO_MODE) {
705 struct asm_data_cmd_read_v2_done *done = data->payload;
709 spin_lock_irqsave(&ac->lock, flags);
710 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
712 spin_unlock_irqrestore(&ac->lock, flags);
717 phys = port->buf[hdr->token].phys;
719 if (upper_32_bits(phys) != done->buf_addr_msw ||
720 lower_32_bits(phys) != done->buf_addr_lsw) {
721 dev_err(ac->dev, "Expected addr %pa %08x-%08x\n",
722 &port->buf[hdr->token].phys,
725 spin_unlock_irqrestore(&ac->lock, flags);
729 spin_unlock_irqrestore(&ac->lock, flags);
733 case ASM_DATA_EVENT_RENDERED_EOS:
734 client_event = ASM_CLIENT_EVENT_CMD_EOS_DONE;
739 ac->cb(client_event, hdr->token, data->payload, ac->priv);
742 kref_put(&ac->refcount, q6asm_audio_client_release);
746 static int q6asm_srvc_callback(struct apr_device *adev,
747 struct apr_resp_pkt *data)
749 struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
750 struct aprv2_ibasic_rsp_result_t *result;
751 struct audio_port_data *port;
752 struct audio_client *ac = NULL;
753 struct apr_hdr *hdr = &data->hdr;
759 session_id = (hdr->dest_port >> 8) & 0xFF;
761 return q6asm_stream_callback(adev, data, session_id);
763 sid = (hdr->token >> 8) & 0x0F;
764 ac = q6asm_get_audio_client(q6asm, sid);
766 dev_err(&adev->dev, "Audio Client not active\n");
770 a = dev_get_drvdata(ac->dev->parent);
771 dir = (hdr->token & 0x0F);
772 port = &ac->port[dir];
773 result = data->payload;
775 switch (hdr->opcode) {
776 case APR_BASIC_RSP_RESULT:
777 switch (result->opcode) {
778 case ASM_CMD_SHARED_MEM_MAP_REGIONS:
779 case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
780 ac->result = *result;
781 wake_up(&a->mem_wait);
784 dev_err(&adev->dev, "command[0x%x] not expecting rsp\n",
789 case ASM_CMDRSP_SHARED_MEM_MAP_REGIONS:
790 ac->result.status = 0;
791 ac->result.opcode = hdr->opcode;
792 port->mem_map_handle = result->opcode;
793 wake_up(&a->mem_wait);
795 case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
796 ac->result.opcode = hdr->opcode;
797 ac->result.status = 0;
798 port->mem_map_handle = 0;
799 wake_up(&a->mem_wait);
802 dev_dbg(&adev->dev, "command[0x%x]success [0x%x]\n",
803 result->opcode, result->status);
808 ac->cb(hdr->opcode, hdr->token, data->payload, ac->priv);
811 kref_put(&ac->refcount, q6asm_audio_client_release);
817 * q6asm_get_session_id() - get session id for audio client
819 * @c: audio client pointer
821 * Return: Will be an session id of the audio client.
823 int q6asm_get_session_id(struct audio_client *c)
827 EXPORT_SYMBOL_GPL(q6asm_get_session_id);
830 * q6asm_audio_client_alloc() - Allocate a new audio client
832 * @dev: Pointer to asm child device.
833 * @cb: event callback.
834 * @priv: private data associated with this client.
835 * @session_id: session id
836 * @perf_mode: performace mode for this client
838 * Return: Will be an error pointer on error or a valid audio client
841 struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb,
842 void *priv, int session_id,
845 struct q6asm *a = dev_get_drvdata(dev->parent);
846 struct audio_client *ac;
849 ac = q6asm_get_audio_client(a, session_id + 1);
851 dev_err(dev, "Audio Client already active\n");
855 ac = kzalloc(sizeof(*ac), GFP_KERNEL);
857 return ERR_PTR(-ENOMEM);
859 spin_lock_irqsave(&a->slock, flags);
860 a->session[session_id + 1] = ac;
861 spin_unlock_irqrestore(&a->slock, flags);
862 ac->session = session_id + 1;
867 ac->io_mode = ASM_SYNC_IO_MODE;
868 ac->perf_mode = perf_mode;
870 kref_init(&ac->refcount);
872 init_waitqueue_head(&ac->cmd_wait);
873 mutex_init(&ac->cmd_lock);
874 spin_lock_init(&ac->lock);
878 EXPORT_SYMBOL_GPL(q6asm_audio_client_alloc);
880 static int q6asm_ac_send_cmd_sync(struct audio_client *ac, struct apr_pkt *pkt)
882 struct apr_hdr *hdr = &pkt->hdr;
885 mutex_lock(&ac->cmd_lock);
886 ac->result.opcode = 0;
887 ac->result.status = 0;
889 rc = apr_send_pkt(ac->adev, pkt);
893 rc = wait_event_timeout(ac->cmd_wait,
894 (ac->result.opcode == hdr->opcode), 5 * HZ);
896 dev_err(ac->dev, "CMD %x timeout\n", hdr->opcode);
901 if (ac->result.status > 0) {
902 dev_err(ac->dev, "DSP returned error[%x]\n",
911 mutex_unlock(&ac->cmd_lock);
916 * q6asm_open_write() - Open audio client for writing
917 * @ac: audio client pointer
918 * @stream_id: stream id of q6asm session
919 * @format: audio sample format
920 * @codec_profile: compressed format profile
921 * @bits_per_sample: bits per sample
922 * @is_gapless: flag to indicate if this is a gapless stream
924 * Return: Will be an negative value on error or zero on success
926 int q6asm_open_write(struct audio_client *ac, uint32_t stream_id,
927 uint32_t format, u32 codec_profile,
928 uint16_t bits_per_sample, bool is_gapless)
930 struct asm_stream_cmd_open_write_v3 *open;
935 pkt_size = APR_HDR_SIZE + sizeof(*open);
937 p = kzalloc(pkt_size, GFP_KERNEL);
942 open = p + APR_HDR_SIZE;
943 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
945 pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_WRITE_V3;
946 open->mode_flags = 0x00;
947 open->mode_flags |= ASM_LEGACY_STREAM_SESSION;
949 open->mode_flags |= BIT(ASM_SHIFT_GAPLESS_MODE_FLAG);
951 /* source endpoint : matrix */
952 open->sink_endpointype = ASM_END_POINT_DEVICE_MATRIX;
953 open->bits_per_sample = bits_per_sample;
954 open->postprocopo_id = ASM_NULL_POPP_TOPOLOGY;
957 case SND_AUDIOCODEC_MP3:
958 open->dec_fmt_id = ASM_MEDIA_FMT_MP3;
960 case FORMAT_LINEAR_PCM:
961 open->dec_fmt_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
963 case SND_AUDIOCODEC_FLAC:
964 open->dec_fmt_id = ASM_MEDIA_FMT_FLAC;
966 case SND_AUDIOCODEC_WMA:
967 switch (codec_profile) {
968 case SND_AUDIOPROFILE_WMA9:
969 open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V9;
971 case SND_AUDIOPROFILE_WMA10:
972 case SND_AUDIOPROFILE_WMA9_PRO:
973 case SND_AUDIOPROFILE_WMA9_LOSSLESS:
974 case SND_AUDIOPROFILE_WMA10_LOSSLESS:
975 open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V10;
978 dev_err(ac->dev, "Invalid codec profile 0x%x\n",
984 case SND_AUDIOCODEC_ALAC:
985 open->dec_fmt_id = ASM_MEDIA_FMT_ALAC;
987 case SND_AUDIOCODEC_APE:
988 open->dec_fmt_id = ASM_MEDIA_FMT_APE;
991 dev_err(ac->dev, "Invalid format 0x%x\n", format);
996 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1000 ac->io_mode |= ASM_TUN_WRITE_IO_MODE;
1006 EXPORT_SYMBOL_GPL(q6asm_open_write);
1008 static int __q6asm_run(struct audio_client *ac, uint32_t stream_id,
1009 uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts,
1012 struct asm_session_cmd_run_v2 *run;
1013 struct apr_pkt *pkt;
1017 pkt_size = APR_HDR_SIZE + sizeof(*run);
1018 p = kzalloc(pkt_size, GFP_ATOMIC);
1023 run = p + APR_HDR_SIZE;
1025 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1027 pkt->hdr.opcode = ASM_SESSION_CMD_RUN_V2;
1029 run->time_lsw = lsw_ts;
1030 run->time_msw = msw_ts;
1032 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1034 rc = apr_send_pkt(ac->adev, pkt);
1044 * q6asm_run() - start the audio client
1046 * @ac: audio client pointer
1047 * @stream_id: stream id of q6asm session
1048 * @flags: flags associated with write
1049 * @msw_ts: timestamp msw
1050 * @lsw_ts: timestamp lsw
1052 * Return: Will be an negative value on error or zero on success
1054 int q6asm_run(struct audio_client *ac, uint32_t stream_id, uint32_t flags,
1055 uint32_t msw_ts, uint32_t lsw_ts)
1057 return __q6asm_run(ac, stream_id, flags, msw_ts, lsw_ts, true);
1059 EXPORT_SYMBOL_GPL(q6asm_run);
1062 * q6asm_run_nowait() - start the audio client withou blocking
1064 * @ac: audio client pointer
1065 * @stream_id: stream id
1066 * @flags: flags associated with write
1067 * @msw_ts: timestamp msw
1068 * @lsw_ts: timestamp lsw
1070 * Return: Will be an negative value on error or zero on success
1072 int q6asm_run_nowait(struct audio_client *ac, uint32_t stream_id,
1073 uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts)
1075 return __q6asm_run(ac, stream_id, flags, msw_ts, lsw_ts, false);
1077 EXPORT_SYMBOL_GPL(q6asm_run_nowait);
1080 * q6asm_media_format_block_multi_ch_pcm() - setup pcm configuration
1082 * @ac: audio client pointer
1083 * @stream_id: stream id
1084 * @rate: audio sample rate
1085 * @channels: number of audio channels.
1086 * @channel_map: channel map pointer
1087 * @bits_per_sample: bits per sample
1089 * Return: Will be an negative value on error or zero on success
1091 int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac,
1093 uint32_t rate, uint32_t channels,
1094 u8 channel_map[PCM_MAX_NUM_CHANNEL],
1095 uint16_t bits_per_sample)
1097 struct asm_multi_channel_pcm_fmt_blk_v2 *fmt;
1098 struct apr_pkt *pkt;
1099 u8 *channel_mapping;
1103 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1104 p = kzalloc(pkt_size, GFP_KERNEL);
1109 fmt = p + APR_HDR_SIZE;
1111 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1113 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1114 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1115 fmt->num_channels = channels;
1116 fmt->bits_per_sample = bits_per_sample;
1117 fmt->sample_rate = rate;
1120 channel_mapping = fmt->channel_mapping;
1123 memcpy(channel_mapping, channel_map, PCM_MAX_NUM_CHANNEL);
1125 if (q6dsp_map_channels(channel_mapping, channels)) {
1126 dev_err(ac->dev, " map channels failed %d\n", channels);
1132 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1138 EXPORT_SYMBOL_GPL(q6asm_media_format_block_multi_ch_pcm);
1140 int q6asm_stream_media_format_block_flac(struct audio_client *ac,
1142 struct q6asm_flac_cfg *cfg)
1144 struct asm_flac_fmt_blk_v2 *fmt;
1145 struct apr_pkt *pkt;
1149 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1150 p = kzalloc(pkt_size, GFP_KERNEL);
1155 fmt = p + APR_HDR_SIZE;
1157 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1159 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1160 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1161 fmt->is_stream_info_present = cfg->stream_info_present;
1162 fmt->num_channels = cfg->ch_cfg;
1163 fmt->min_blk_size = cfg->min_blk_size;
1164 fmt->max_blk_size = cfg->max_blk_size;
1165 fmt->sample_rate = cfg->sample_rate;
1166 fmt->min_frame_size = cfg->min_frame_size;
1167 fmt->max_frame_size = cfg->max_frame_size;
1168 fmt->sample_size = cfg->sample_size;
1170 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1175 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_flac);
1177 int q6asm_stream_media_format_block_wma_v9(struct audio_client *ac,
1179 struct q6asm_wma_cfg *cfg)
1181 struct asm_wmastdv9_fmt_blk_v2 *fmt;
1182 struct apr_pkt *pkt;
1186 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1187 p = kzalloc(pkt_size, GFP_KERNEL);
1192 fmt = p + APR_HDR_SIZE;
1194 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1196 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1197 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1198 fmt->fmtag = cfg->fmtag;
1199 fmt->num_channels = cfg->num_channels;
1200 fmt->sample_rate = cfg->sample_rate;
1201 fmt->bytes_per_sec = cfg->bytes_per_sec;
1202 fmt->blk_align = cfg->block_align;
1203 fmt->bits_per_sample = cfg->bits_per_sample;
1204 fmt->channel_mask = cfg->channel_mask;
1205 fmt->enc_options = cfg->enc_options;
1208 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1213 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v9);
1215 int q6asm_stream_media_format_block_wma_v10(struct audio_client *ac,
1217 struct q6asm_wma_cfg *cfg)
1219 struct asm_wmaprov10_fmt_blk_v2 *fmt;
1220 struct apr_pkt *pkt;
1224 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1225 p = kzalloc(pkt_size, GFP_KERNEL);
1230 fmt = p + APR_HDR_SIZE;
1232 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1234 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1235 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1236 fmt->fmtag = cfg->fmtag;
1237 fmt->num_channels = cfg->num_channels;
1238 fmt->sample_rate = cfg->sample_rate;
1239 fmt->bytes_per_sec = cfg->bytes_per_sec;
1240 fmt->blk_align = cfg->block_align;
1241 fmt->bits_per_sample = cfg->bits_per_sample;
1242 fmt->channel_mask = cfg->channel_mask;
1243 fmt->enc_options = cfg->enc_options;
1244 fmt->advanced_enc_options1 = cfg->adv_enc_options;
1245 fmt->advanced_enc_options2 = cfg->adv_enc_options2;
1247 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1252 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v10);
1254 int q6asm_stream_media_format_block_alac(struct audio_client *ac,
1256 struct q6asm_alac_cfg *cfg)
1258 struct asm_alac_fmt_blk_v2 *fmt;
1259 struct apr_pkt *pkt;
1263 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1264 p = kzalloc(pkt_size, GFP_KERNEL);
1269 fmt = p + APR_HDR_SIZE;
1271 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1273 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1274 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1276 fmt->frame_length = cfg->frame_length;
1277 fmt->compatible_version = cfg->compatible_version;
1278 fmt->bit_depth = cfg->bit_depth;
1279 fmt->num_channels = cfg->num_channels;
1280 fmt->max_run = cfg->max_run;
1281 fmt->max_frame_bytes = cfg->max_frame_bytes;
1282 fmt->avg_bit_rate = cfg->avg_bit_rate;
1283 fmt->sample_rate = cfg->sample_rate;
1284 fmt->channel_layout_tag = cfg->channel_layout_tag;
1289 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1294 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_alac);
1296 int q6asm_stream_media_format_block_ape(struct audio_client *ac,
1298 struct q6asm_ape_cfg *cfg)
1300 struct asm_ape_fmt_blk_v2 *fmt;
1301 struct apr_pkt *pkt;
1305 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1306 p = kzalloc(pkt_size, GFP_KERNEL);
1311 fmt = p + APR_HDR_SIZE;
1313 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1315 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1316 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1318 fmt->compatible_version = cfg->compatible_version;
1319 fmt->compression_level = cfg->compression_level;
1320 fmt->format_flags = cfg->format_flags;
1321 fmt->blocks_per_frame = cfg->blocks_per_frame;
1322 fmt->final_frame_blocks = cfg->final_frame_blocks;
1323 fmt->total_frames = cfg->total_frames;
1324 fmt->bits_per_sample = cfg->bits_per_sample;
1325 fmt->num_channels = cfg->num_channels;
1326 fmt->sample_rate = cfg->sample_rate;
1327 fmt->seek_table_present = cfg->seek_table_present;
1329 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1334 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_ape);
1336 static int q6asm_stream_remove_silence(struct audio_client *ac, uint32_t stream_id,
1338 uint32_t num_samples)
1341 struct apr_pkt *pkt;
1345 pkt_size = APR_HDR_SIZE + sizeof(uint32_t);
1346 p = kzalloc(pkt_size, GFP_ATOMIC);
1351 samples = p + APR_HDR_SIZE;
1353 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1355 pkt->hdr.opcode = cmd;
1356 *samples = num_samples;
1357 rc = apr_send_pkt(ac->adev, pkt);
1366 int q6asm_stream_remove_initial_silence(struct audio_client *ac,
1368 uint32_t initial_samples)
1370 return q6asm_stream_remove_silence(ac, stream_id,
1371 ASM_DATA_CMD_REMOVE_INITIAL_SILENCE,
1374 EXPORT_SYMBOL_GPL(q6asm_stream_remove_initial_silence);
1376 int q6asm_stream_remove_trailing_silence(struct audio_client *ac, uint32_t stream_id,
1377 uint32_t trailing_samples)
1379 return q6asm_stream_remove_silence(ac, stream_id,
1380 ASM_DATA_CMD_REMOVE_TRAILING_SILENCE,
1383 EXPORT_SYMBOL_GPL(q6asm_stream_remove_trailing_silence);
1386 * q6asm_enc_cfg_blk_pcm_format_support() - setup pcm configuration for capture
1388 * @ac: audio client pointer
1389 * @stream_id: stream id
1390 * @rate: audio sample rate
1391 * @channels: number of audio channels.
1392 * @bits_per_sample: bits per sample
1394 * Return: Will be an negative value on error or zero on success
1396 int q6asm_enc_cfg_blk_pcm_format_support(struct audio_client *ac,
1397 uint32_t stream_id, uint32_t rate,
1399 uint16_t bits_per_sample)
1401 struct asm_multi_channel_pcm_enc_cfg_v2 *enc_cfg;
1402 struct apr_pkt *pkt;
1403 u8 *channel_mapping;
1404 u32 frames_per_buf = 0;
1408 pkt_size = APR_HDR_SIZE + sizeof(*enc_cfg);
1409 p = kzalloc(pkt_size, GFP_KERNEL);
1414 enc_cfg = p + APR_HDR_SIZE;
1415 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1417 pkt->hdr.opcode = ASM_STREAM_CMD_SET_ENCDEC_PARAM;
1418 enc_cfg->encdec.param_id = ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2;
1419 enc_cfg->encdec.param_size = sizeof(*enc_cfg) - sizeof(enc_cfg->encdec);
1420 enc_cfg->encblk.frames_per_buf = frames_per_buf;
1421 enc_cfg->encblk.enc_cfg_blk_size = enc_cfg->encdec.param_size -
1422 sizeof(struct asm_enc_cfg_blk_param_v2);
1424 enc_cfg->num_channels = channels;
1425 enc_cfg->bits_per_sample = bits_per_sample;
1426 enc_cfg->sample_rate = rate;
1427 enc_cfg->is_signed = 1;
1428 channel_mapping = enc_cfg->channel_mapping;
1430 if (q6dsp_map_channels(channel_mapping, channels)) {
1435 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1440 EXPORT_SYMBOL_GPL(q6asm_enc_cfg_blk_pcm_format_support);
1444 * q6asm_read() - read data of period size from audio client
1446 * @ac: audio client pointer
1447 * @stream_id: stream id
1449 * Return: Will be an negative value on error or zero on success
1451 int q6asm_read(struct audio_client *ac, uint32_t stream_id)
1453 struct asm_data_cmd_read_v2 *read;
1454 struct audio_port_data *port;
1455 struct audio_buffer *ab;
1456 struct apr_pkt *pkt;
1457 unsigned long flags;
1462 pkt_size = APR_HDR_SIZE + sizeof(*read);
1463 p = kzalloc(pkt_size, GFP_ATOMIC);
1468 read = p + APR_HDR_SIZE;
1470 spin_lock_irqsave(&ac->lock, flags);
1471 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
1472 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, stream_id);
1473 ab = &port->buf[port->dsp_buf];
1474 pkt->hdr.opcode = ASM_DATA_CMD_READ_V2;
1475 read->buf_addr_lsw = lower_32_bits(ab->phys);
1476 read->buf_addr_msw = upper_32_bits(ab->phys);
1477 read->mem_map_handle = port->mem_map_handle;
1479 read->buf_size = ab->size;
1480 read->seq_id = port->dsp_buf;
1481 pkt->hdr.token = port->dsp_buf;
1485 if (port->dsp_buf >= port->num_periods)
1488 spin_unlock_irqrestore(&ac->lock, flags);
1489 rc = apr_send_pkt(ac->adev, pkt);
1493 pr_err("read op[0x%x]rc[%d]\n", pkt->hdr.opcode, rc);
1498 EXPORT_SYMBOL_GPL(q6asm_read);
1500 static int __q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
1501 uint32_t format, uint16_t bits_per_sample)
1503 struct asm_stream_cmd_open_read_v3 *open;
1504 struct apr_pkt *pkt;
1508 pkt_size = APR_HDR_SIZE + sizeof(*open);
1509 p = kzalloc(pkt_size, GFP_KERNEL);
1514 open = p + APR_HDR_SIZE;
1516 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
1517 pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_READ_V3;
1518 /* Stream prio : High, provide meta info with encoded frames */
1519 open->src_endpointype = ASM_END_POINT_DEVICE_MATRIX;
1521 open->preprocopo_id = ASM_STREAM_POSTPROC_TOPO_ID_NONE;
1522 open->bits_per_sample = bits_per_sample;
1523 open->mode_flags = 0x0;
1525 open->mode_flags |= ASM_LEGACY_STREAM_SESSION <<
1526 ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ;
1529 case FORMAT_LINEAR_PCM:
1530 open->mode_flags |= 0x00;
1531 open->enc_cfg_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
1534 pr_err("Invalid format[%d]\n", format);
1537 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1544 * q6asm_open_read() - Open audio client for reading
1546 * @ac: audio client pointer
1547 * @stream_id: stream id
1548 * @format: audio sample format
1549 * @bits_per_sample: bits per sample
1551 * Return: Will be an negative value on error or zero on success
1553 int q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
1554 uint32_t format, uint16_t bits_per_sample)
1556 return __q6asm_open_read(ac, stream_id, format, bits_per_sample);
1558 EXPORT_SYMBOL_GPL(q6asm_open_read);
1561 * q6asm_write_async() - non blocking write
1563 * @ac: audio client pointer
1564 * @stream_id: stream id
1565 * @len: length in bytes
1566 * @msw_ts: timestamp msw
1567 * @lsw_ts: timestamp lsw
1568 * @wflags: flags associated with write
1570 * Return: Will be an negative value on error or zero on success
1572 int q6asm_write_async(struct audio_client *ac, uint32_t stream_id, uint32_t len,
1573 uint32_t msw_ts, uint32_t lsw_ts, uint32_t wflags)
1575 struct asm_data_cmd_write_v2 *write;
1576 struct audio_port_data *port;
1577 struct audio_buffer *ab;
1578 unsigned long flags;
1579 struct apr_pkt *pkt;
1584 pkt_size = APR_HDR_SIZE + sizeof(*write);
1585 p = kzalloc(pkt_size, GFP_ATOMIC);
1590 write = p + APR_HDR_SIZE;
1592 spin_lock_irqsave(&ac->lock, flags);
1593 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
1594 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, stream_id);
1596 ab = &port->buf[port->dsp_buf];
1597 pkt->hdr.token = port->dsp_buf | (len << ASM_WRITE_TOKEN_LEN_SHIFT);
1598 pkt->hdr.opcode = ASM_DATA_CMD_WRITE_V2;
1599 write->buf_addr_lsw = lower_32_bits(ab->phys);
1600 write->buf_addr_msw = upper_32_bits(ab->phys);
1601 write->buf_size = len;
1602 write->seq_id = port->dsp_buf;
1603 write->timestamp_lsw = lsw_ts;
1604 write->timestamp_msw = msw_ts;
1605 write->mem_map_handle =
1606 ac->port[SNDRV_PCM_STREAM_PLAYBACK].mem_map_handle;
1608 write->flags = wflags;
1612 if (port->dsp_buf >= port->num_periods)
1615 spin_unlock_irqrestore(&ac->lock, flags);
1616 rc = apr_send_pkt(ac->adev, pkt);
1623 EXPORT_SYMBOL_GPL(q6asm_write_async);
1625 static void q6asm_reset_buf_state(struct audio_client *ac)
1627 struct audio_port_data *port = NULL;
1628 unsigned long flags;
1630 spin_lock_irqsave(&ac->lock, flags);
1631 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
1633 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
1635 spin_unlock_irqrestore(&ac->lock, flags);
1638 static int __q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd,
1644 q6asm_add_hdr(ac, &pkt.hdr, APR_HDR_SIZE, true, stream_id);
1648 pkt.hdr.opcode = ASM_SESSION_CMD_PAUSE;
1651 pkt.hdr.opcode = ASM_SESSION_CMD_SUSPEND;
1654 pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH;
1657 pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH_READBUFS;
1660 pkt.hdr.opcode = ASM_DATA_CMD_EOS;
1663 pkt.hdr.opcode = ASM_STREAM_CMD_CLOSE;
1670 rc = q6asm_ac_send_cmd_sync(ac, &pkt);
1672 return apr_send_pkt(ac->adev, &pkt);
1677 if (cmd == CMD_FLUSH)
1678 q6asm_reset_buf_state(ac);
1684 * q6asm_cmd() - run cmd on audio client
1686 * @ac: audio client pointer
1687 * @stream_id: stream id
1688 * @cmd: command to run on audio client.
1690 * Return: Will be an negative value on error or zero on success
1692 int q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd)
1694 return __q6asm_cmd(ac, stream_id, cmd, true);
1696 EXPORT_SYMBOL_GPL(q6asm_cmd);
1699 * q6asm_cmd_nowait() - non blocking, run cmd on audio client
1701 * @ac: audio client pointer
1702 * @stream_id: stream id
1703 * @cmd: command to run on audio client.
1705 * Return: Will be an negative value on error or zero on success
1707 int q6asm_cmd_nowait(struct audio_client *ac, uint32_t stream_id, int cmd)
1709 return __q6asm_cmd(ac, stream_id, cmd, false);
1711 EXPORT_SYMBOL_GPL(q6asm_cmd_nowait);
1713 static int q6asm_probe(struct apr_device *adev)
1715 struct device *dev = &adev->dev;
1716 struct q6asm *q6asm;
1718 q6asm = devm_kzalloc(dev, sizeof(*q6asm), GFP_KERNEL);
1722 q6core_get_svc_api_info(adev->svc_id, &q6asm->ainfo);
1726 init_waitqueue_head(&q6asm->mem_wait);
1727 spin_lock_init(&q6asm->slock);
1728 dev_set_drvdata(dev, q6asm);
1730 return of_platform_populate(dev->of_node, NULL, NULL, dev);
1733 static int q6asm_remove(struct apr_device *adev)
1735 of_platform_depopulate(&adev->dev);
1741 static const struct of_device_id q6asm_device_id[] = {
1742 { .compatible = "qcom,q6asm" },
1745 MODULE_DEVICE_TABLE(of, q6asm_device_id);
1748 static struct apr_driver qcom_q6asm_driver = {
1749 .probe = q6asm_probe,
1750 .remove = q6asm_remove,
1751 .callback = q6asm_srvc_callback,
1753 .name = "qcom-q6asm",
1754 .of_match_table = of_match_ptr(q6asm_device_id),
1758 module_apr_driver(qcom_q6asm_driver);
1759 MODULE_DESCRIPTION("Q6 Audio Stream Manager driver");
1760 MODULE_LICENSE("GPL v2");