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_NULL_POPP_TOPOLOGY 0x00010C68
29 #define ASM_STREAM_CMD_FLUSH_READBUFS 0x00010C09
30 #define ASM_STREAM_CMD_SET_ENCDEC_PARAM 0x00010C10
31 #define ASM_STREAM_POSTPROC_TOPO_ID_NONE 0x00010C68
32 #define ASM_CMD_SHARED_MEM_MAP_REGIONS 0x00010D92
33 #define ASM_CMDRSP_SHARED_MEM_MAP_REGIONS 0x00010D93
34 #define ASM_CMD_SHARED_MEM_UNMAP_REGIONS 0x00010D94
35 #define ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2 0x00010D98
36 #define ASM_DATA_EVENT_WRITE_DONE_V2 0x00010D99
37 #define ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2 0x00010DA3
38 #define ASM_SESSION_CMD_RUN_V2 0x00010DAA
39 #define ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2 0x00010DA5
40 #define ASM_MEDIA_FMT_MP3 0x00010BE9
41 #define ASM_MEDIA_FMT_FLAC 0x00010C16
42 #define ASM_MEDIA_FMT_WMA_V9 0x00010DA8
43 #define ASM_MEDIA_FMT_WMA_V10 0x00010DA7
44 #define ASM_DATA_CMD_WRITE_V2 0x00010DAB
45 #define ASM_DATA_CMD_READ_V2 0x00010DAC
46 #define ASM_SESSION_CMD_SUSPEND 0x00010DEC
47 #define ASM_STREAM_CMD_OPEN_WRITE_V3 0x00010DB3
48 #define ASM_STREAM_CMD_OPEN_READ_V3 0x00010DB4
49 #define ASM_DATA_EVENT_READ_DONE_V2 0x00010D9A
50 #define ASM_STREAM_CMD_OPEN_READWRITE_V2 0x00010D8D
51 #define ASM_MEDIA_FMT_ALAC 0x00012f31
52 #define ASM_MEDIA_FMT_APE 0x00012f32
55 #define ASM_LEGACY_STREAM_SESSION 0
56 /* Bit shift for the stream_perf_mode subfield. */
57 #define ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ 29
58 #define ASM_END_POINT_DEVICE_MATRIX 0
59 #define ASM_DEFAULT_APP_TYPE 0
60 #define ASM_SYNC_IO_MODE 0x0001
61 #define ASM_ASYNC_IO_MODE 0x0002
62 #define ASM_TUN_READ_IO_MODE 0x0004 /* tunnel read write mode */
63 #define ASM_TUN_WRITE_IO_MODE 0x0008 /* tunnel read write mode */
64 #define ASM_SHIFT_GAPLESS_MODE_FLAG 31
65 #define ADSP_MEMORY_MAP_SHMEM8_4K_POOL 3
67 struct avs_cmd_shared_mem_map_regions {
73 struct avs_shared_map_region_payload {
79 struct avs_cmd_shared_mem_unmap_regions {
83 struct asm_data_cmd_media_fmt_update_v2 {
87 struct asm_multi_channel_pcm_fmt_blk_v2 {
88 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
94 u8 channel_mapping[PCM_MAX_NUM_CHANNEL];
97 struct asm_flac_fmt_blk_v2 {
98 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
99 u16 is_stream_info_present;
111 struct asm_wmastdv9_fmt_blk_v2 {
112 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
124 struct asm_wmaprov10_fmt_blk_v2 {
125 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
134 u16 advanced_enc_options1;
135 u32 advanced_enc_options2;
138 struct asm_alac_fmt_blk_v2 {
139 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
141 u8 compatible_version;
151 u32 channel_layout_tag;
154 struct asm_ape_fmt_blk_v2 {
155 struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
156 u16 compatible_version;
157 u16 compression_level;
159 u32 blocks_per_frame;
160 u32 final_frame_blocks;
165 u32 seek_table_present;
168 struct asm_stream_cmd_set_encdec_param {
173 struct asm_enc_cfg_blk_param_v2 {
175 u32 enc_cfg_blk_size;
178 struct asm_multi_channel_pcm_enc_cfg_v2 {
179 struct asm_stream_cmd_set_encdec_param encdec;
180 struct asm_enc_cfg_blk_param_v2 encblk;
181 uint16_t num_channels;
182 uint16_t bits_per_sample;
183 uint32_t sample_rate;
186 uint8_t channel_mapping[8];
189 struct asm_data_cmd_read_v2 {
197 struct asm_data_cmd_read_v2_done {
203 struct asm_stream_cmd_open_read_v3 {
212 struct asm_data_cmd_write_v2 {
223 struct asm_stream_cmd_open_write_v3 {
225 uint16_t sink_endpointype;
226 uint16_t bits_per_sample;
227 uint32_t postprocopo_id;
231 struct asm_session_cmd_run_v2 {
237 struct audio_buffer {
239 uint32_t size; /* size of buffer */
242 struct audio_port_data {
243 struct audio_buffer *buf;
244 uint32_t num_periods;
246 uint32_t mem_map_handle;
250 struct apr_device *adev;
252 struct q6core_svc_api_info ainfo;
253 wait_queue_head_t mem_wait;
255 struct audio_client *session[MAX_SESSIONS + 1];
258 struct audio_client {
263 struct apr_device *adev;
264 struct mutex cmd_lock;
266 struct kref refcount;
267 /* idx:1 out port, 0: in port */
268 struct audio_port_data port[2];
269 wait_queue_head_t cmd_wait;
270 struct aprv2_ibasic_rsp_result_t result;
277 static inline void q6asm_add_hdr(struct audio_client *ac, struct apr_hdr *hdr,
278 uint32_t pkt_size, bool cmd_flg,
281 hdr->hdr_field = APR_SEQ_CMD_HDR_FIELD;
282 hdr->src_port = ((ac->session << 8) & 0xFF00) | (stream_id);
283 hdr->dest_port = ((ac->session << 8) & 0xFF00) | (stream_id);
284 hdr->pkt_size = pkt_size;
286 hdr->token = ac->session;
289 static int q6asm_apr_send_session_pkt(struct q6asm *a, struct audio_client *ac,
290 struct apr_pkt *pkt, uint32_t rsp_opcode)
292 struct apr_hdr *hdr = &pkt->hdr;
295 mutex_lock(&ac->cmd_lock);
296 ac->result.opcode = 0;
297 ac->result.status = 0;
298 rc = apr_send_pkt(a->adev, pkt);
303 rc = wait_event_timeout(a->mem_wait,
304 (ac->result.opcode == hdr->opcode) ||
305 (ac->result.opcode == rsp_opcode),
308 rc = wait_event_timeout(a->mem_wait,
309 (ac->result.opcode == hdr->opcode),
313 dev_err(a->dev, "CMD timeout\n");
315 } else if (ac->result.status > 0) {
316 dev_err(a->dev, "DSP returned error[%x]\n",
322 mutex_unlock(&ac->cmd_lock);
326 static int __q6asm_memory_unmap(struct audio_client *ac,
327 phys_addr_t buf_add, int dir)
329 struct avs_cmd_shared_mem_unmap_regions *mem_unmap;
330 struct q6asm *a = dev_get_drvdata(ac->dev->parent);
335 if (ac->port[dir].mem_map_handle == 0) {
336 dev_err(ac->dev, "invalid mem handle\n");
340 pkt_size = APR_HDR_SIZE + sizeof(*mem_unmap);
341 p = kzalloc(pkt_size, GFP_KERNEL);
346 mem_unmap = p + APR_HDR_SIZE;
348 pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
349 pkt->hdr.src_port = 0;
350 pkt->hdr.dest_port = 0;
351 pkt->hdr.pkt_size = pkt_size;
352 pkt->hdr.token = ((ac->session << 8) | dir);
354 pkt->hdr.opcode = ASM_CMD_SHARED_MEM_UNMAP_REGIONS;
355 mem_unmap->mem_map_handle = ac->port[dir].mem_map_handle;
357 rc = q6asm_apr_send_session_pkt(a, ac, pkt, 0);
363 ac->port[dir].mem_map_handle = 0;
370 static void q6asm_audio_client_free_buf(struct audio_client *ac,
371 struct audio_port_data *port)
375 spin_lock_irqsave(&ac->lock, flags);
376 port->num_periods = 0;
379 spin_unlock_irqrestore(&ac->lock, flags);
383 * q6asm_unmap_memory_regions() - unmap memory regions in the dsp.
385 * @dir: direction of audio stream
386 * @ac: audio client instanace
388 * Return: Will be an negative value on failure or zero on success
390 int q6asm_unmap_memory_regions(unsigned int dir, struct audio_client *ac)
392 struct audio_port_data *port;
396 port = &ac->port[dir];
402 cnt = port->num_periods - 1;
404 rc = __q6asm_memory_unmap(ac, port->buf[dir].phys, dir);
406 dev_err(ac->dev, "%s: Memory_unmap_regions failed %d\n",
412 q6asm_audio_client_free_buf(ac, port);
417 EXPORT_SYMBOL_GPL(q6asm_unmap_memory_regions);
419 static int __q6asm_memory_map_regions(struct audio_client *ac, int dir,
420 size_t period_sz, unsigned int periods,
423 struct avs_cmd_shared_mem_map_regions *cmd = NULL;
424 struct avs_shared_map_region_payload *mregions = NULL;
425 struct q6asm *a = dev_get_drvdata(ac->dev->parent);
426 struct audio_port_data *port = NULL;
427 struct audio_buffer *ab = NULL;
431 uint32_t num_regions, buf_sz;
436 buf_sz = period_sz * periods;
439 num_regions = periods;
442 /* DSP expects size should be aligned to 4K */
443 buf_sz = ALIGN(buf_sz, 4096);
445 pkt_size = APR_HDR_SIZE + sizeof(*cmd) +
446 (sizeof(*mregions) * num_regions);
448 p = kzalloc(pkt_size, GFP_KERNEL);
453 cmd = p + APR_HDR_SIZE;
454 mregions = p + APR_HDR_SIZE + sizeof(*cmd);
456 pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
457 pkt->hdr.src_port = 0;
458 pkt->hdr.dest_port = 0;
459 pkt->hdr.pkt_size = pkt_size;
460 pkt->hdr.token = ((ac->session << 8) | dir);
461 pkt->hdr.opcode = ASM_CMD_SHARED_MEM_MAP_REGIONS;
463 cmd->mem_pool_id = ADSP_MEMORY_MAP_SHMEM8_4K_POOL;
464 cmd->num_regions = num_regions;
465 cmd->property_flag = 0x00;
467 spin_lock_irqsave(&ac->lock, flags);
468 port = &ac->port[dir];
470 for (i = 0; i < num_regions; i++) {
472 mregions->shm_addr_lsw = lower_32_bits(ab->phys);
473 mregions->shm_addr_msw = upper_32_bits(ab->phys);
474 mregions->mem_size_bytes = buf_sz;
477 spin_unlock_irqrestore(&ac->lock, flags);
479 rc = q6asm_apr_send_session_pkt(a, ac, pkt,
480 ASM_CMDRSP_SHARED_MEM_MAP_REGIONS);
488 * q6asm_map_memory_regions() - map memory regions in the dsp.
490 * @dir: direction of audio stream
491 * @ac: audio client instanace
492 * @phys: physcial address that needs mapping.
493 * @period_sz: audio period size
494 * @periods: number of periods
496 * Return: Will be an negative value on failure or zero on success
498 int q6asm_map_memory_regions(unsigned int dir, struct audio_client *ac,
500 size_t period_sz, unsigned int periods)
502 struct audio_buffer *buf;
507 spin_lock_irqsave(&ac->lock, flags);
508 if (ac->port[dir].buf) {
509 dev_err(ac->dev, "Buffer already allocated\n");
510 spin_unlock_irqrestore(&ac->lock, flags);
514 buf = kzalloc(((sizeof(struct audio_buffer)) * periods), GFP_ATOMIC);
516 spin_unlock_irqrestore(&ac->lock, flags);
521 ac->port[dir].buf = buf;
524 buf[0].size = period_sz;
526 for (cnt = 1; cnt < periods; cnt++) {
528 buf[cnt].phys = buf[0].phys + (cnt * period_sz);
529 buf[cnt].size = period_sz;
532 ac->port[dir].num_periods = periods;
534 spin_unlock_irqrestore(&ac->lock, flags);
536 rc = __q6asm_memory_map_regions(ac, dir, period_sz, periods, 1);
538 dev_err(ac->dev, "Memory_map_regions failed\n");
539 q6asm_audio_client_free_buf(ac, &ac->port[dir]);
544 EXPORT_SYMBOL_GPL(q6asm_map_memory_regions);
546 static void q6asm_audio_client_release(struct kref *ref)
548 struct audio_client *ac;
552 ac = container_of(ref, struct audio_client, refcount);
555 spin_lock_irqsave(&a->slock, flags);
556 a->session[ac->session] = NULL;
557 spin_unlock_irqrestore(&a->slock, flags);
563 * q6asm_audio_client_free() - Freee allocated audio client
565 * @ac: audio client to free
567 void q6asm_audio_client_free(struct audio_client *ac)
569 kref_put(&ac->refcount, q6asm_audio_client_release);
571 EXPORT_SYMBOL_GPL(q6asm_audio_client_free);
573 static struct audio_client *q6asm_get_audio_client(struct q6asm *a,
576 struct audio_client *ac = NULL;
579 spin_lock_irqsave(&a->slock, flags);
580 if ((session_id <= 0) || (session_id > MAX_SESSIONS)) {
581 dev_err(a->dev, "invalid session: %d\n", session_id);
585 /* check for valid session */
586 if (!a->session[session_id])
588 else if (a->session[session_id]->session != session_id)
591 ac = a->session[session_id];
592 kref_get(&ac->refcount);
594 spin_unlock_irqrestore(&a->slock, flags);
598 static int32_t q6asm_stream_callback(struct apr_device *adev,
599 struct apr_resp_pkt *data,
602 struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
603 struct aprv2_ibasic_rsp_result_t *result;
604 struct apr_hdr *hdr = &data->hdr;
605 struct audio_port_data *port;
606 struct audio_client *ac;
607 uint32_t client_event = 0;
610 ac = q6asm_get_audio_client(q6asm, session_id);
611 if (!ac)/* Audio client might already be freed by now */
614 result = data->payload;
616 switch (hdr->opcode) {
617 case APR_BASIC_RSP_RESULT:
618 switch (result->opcode) {
619 case ASM_SESSION_CMD_PAUSE:
620 client_event = ASM_CLIENT_EVENT_CMD_PAUSE_DONE;
622 case ASM_SESSION_CMD_SUSPEND:
623 client_event = ASM_CLIENT_EVENT_CMD_SUSPEND_DONE;
625 case ASM_DATA_CMD_EOS:
626 client_event = ASM_CLIENT_EVENT_CMD_EOS_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 if (result->status != 0) {
647 "cmd = 0x%x returned error = 0x%x\n",
648 result->opcode, result->status);
649 ac->result = *result;
650 wake_up(&ac->cmd_wait);
656 dev_err(ac->dev, "command[0x%x] not expecting rsp\n",
661 ac->result = *result;
662 wake_up(&ac->cmd_wait);
665 ac->cb(client_event, hdr->token,
666 data->payload, ac->priv);
671 case ASM_DATA_EVENT_WRITE_DONE_V2:
672 client_event = ASM_CLIENT_EVENT_DATA_WRITE_DONE;
673 if (ac->io_mode & ASM_SYNC_IO_MODE) {
677 spin_lock_irqsave(&ac->lock, flags);
679 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
682 spin_unlock_irqrestore(&ac->lock, flags);
687 phys = port->buf[hdr->token].phys;
689 if (lower_32_bits(phys) != result->opcode ||
690 upper_32_bits(phys) != result->status) {
691 dev_err(ac->dev, "Expected addr %pa\n",
692 &port->buf[hdr->token].phys);
693 spin_unlock_irqrestore(&ac->lock, flags);
697 spin_unlock_irqrestore(&ac->lock, flags);
700 case ASM_DATA_EVENT_READ_DONE_V2:
701 client_event = ASM_CLIENT_EVENT_DATA_READ_DONE;
702 if (ac->io_mode & ASM_SYNC_IO_MODE) {
703 struct asm_data_cmd_read_v2_done *done = data->payload;
707 spin_lock_irqsave(&ac->lock, flags);
708 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
710 spin_unlock_irqrestore(&ac->lock, flags);
715 phys = port->buf[hdr->token].phys;
717 if (upper_32_bits(phys) != done->buf_addr_msw ||
718 lower_32_bits(phys) != done->buf_addr_lsw) {
719 dev_err(ac->dev, "Expected addr %pa %08x-%08x\n",
720 &port->buf[hdr->token].phys,
723 spin_unlock_irqrestore(&ac->lock, flags);
727 spin_unlock_irqrestore(&ac->lock, flags);
734 ac->cb(client_event, hdr->token, data->payload, ac->priv);
737 kref_put(&ac->refcount, q6asm_audio_client_release);
741 static int q6asm_srvc_callback(struct apr_device *adev,
742 struct apr_resp_pkt *data)
744 struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
745 struct aprv2_ibasic_rsp_result_t *result;
746 struct audio_port_data *port;
747 struct audio_client *ac = NULL;
748 struct apr_hdr *hdr = &data->hdr;
754 session_id = (hdr->dest_port >> 8) & 0xFF;
756 return q6asm_stream_callback(adev, data, session_id);
758 sid = (hdr->token >> 8) & 0x0F;
759 ac = q6asm_get_audio_client(q6asm, sid);
761 dev_err(&adev->dev, "Audio Client not active\n");
765 a = dev_get_drvdata(ac->dev->parent);
766 dir = (hdr->token & 0x0F);
767 port = &ac->port[dir];
768 result = data->payload;
770 switch (hdr->opcode) {
771 case APR_BASIC_RSP_RESULT:
772 switch (result->opcode) {
773 case ASM_CMD_SHARED_MEM_MAP_REGIONS:
774 case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
775 ac->result = *result;
776 wake_up(&a->mem_wait);
779 dev_err(&adev->dev, "command[0x%x] not expecting rsp\n",
784 case ASM_CMDRSP_SHARED_MEM_MAP_REGIONS:
785 ac->result.status = 0;
786 ac->result.opcode = hdr->opcode;
787 port->mem_map_handle = result->opcode;
788 wake_up(&a->mem_wait);
790 case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
791 ac->result.opcode = hdr->opcode;
792 ac->result.status = 0;
793 port->mem_map_handle = 0;
794 wake_up(&a->mem_wait);
797 dev_dbg(&adev->dev, "command[0x%x]success [0x%x]\n",
798 result->opcode, result->status);
803 ac->cb(hdr->opcode, hdr->token, data->payload, ac->priv);
806 kref_put(&ac->refcount, q6asm_audio_client_release);
812 * q6asm_get_session_id() - get session id for audio client
814 * @c: audio client pointer
816 * Return: Will be an session id of the audio client.
818 int q6asm_get_session_id(struct audio_client *c)
822 EXPORT_SYMBOL_GPL(q6asm_get_session_id);
825 * q6asm_audio_client_alloc() - Allocate a new audio client
827 * @dev: Pointer to asm child device.
828 * @cb: event callback.
829 * @priv: private data associated with this client.
830 * @stream_id: stream id
831 * @perf_mode: performace mode for this client
833 * Return: Will be an error pointer on error or a valid audio client
836 struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb,
837 void *priv, int stream_id,
840 struct q6asm *a = dev_get_drvdata(dev->parent);
841 struct audio_client *ac;
844 ac = q6asm_get_audio_client(a, stream_id + 1);
846 dev_err(dev, "Audio Client already active\n");
850 ac = kzalloc(sizeof(*ac), GFP_KERNEL);
852 return ERR_PTR(-ENOMEM);
854 spin_lock_irqsave(&a->slock, flags);
855 a->session[stream_id + 1] = ac;
856 spin_unlock_irqrestore(&a->slock, flags);
857 ac->session = stream_id + 1;
862 ac->io_mode = ASM_SYNC_IO_MODE;
863 ac->perf_mode = perf_mode;
864 /* DSP expects stream id from 1 */
867 kref_init(&ac->refcount);
869 init_waitqueue_head(&ac->cmd_wait);
870 mutex_init(&ac->cmd_lock);
871 spin_lock_init(&ac->lock);
875 EXPORT_SYMBOL_GPL(q6asm_audio_client_alloc);
877 static int q6asm_ac_send_cmd_sync(struct audio_client *ac, struct apr_pkt *pkt)
879 struct apr_hdr *hdr = &pkt->hdr;
882 mutex_lock(&ac->cmd_lock);
883 ac->result.opcode = 0;
884 ac->result.status = 0;
886 rc = apr_send_pkt(ac->adev, pkt);
890 rc = wait_event_timeout(ac->cmd_wait,
891 (ac->result.opcode == hdr->opcode), 5 * HZ);
893 dev_err(ac->dev, "CMD timeout\n");
898 if (ac->result.status > 0) {
899 dev_err(ac->dev, "DSP returned error[%x]\n",
908 mutex_unlock(&ac->cmd_lock);
913 * q6asm_open_write() - Open audio client for writing
915 * @ac: audio client pointer
916 * @format: audio sample format
917 * @bits_per_sample: bits per sample
919 * Return: Will be an negative value on error or zero on success
921 int q6asm_open_write(struct audio_client *ac, uint32_t format,
922 u32 codec_profile, uint16_t bits_per_sample)
924 struct asm_stream_cmd_open_write_v3 *open;
929 pkt_size = APR_HDR_SIZE + sizeof(*open);
931 p = kzalloc(pkt_size, GFP_KERNEL);
936 open = p + APR_HDR_SIZE;
937 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
939 pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_WRITE_V3;
940 open->mode_flags = 0x00;
941 open->mode_flags |= ASM_LEGACY_STREAM_SESSION;
943 /* source endpoint : matrix */
944 open->sink_endpointype = ASM_END_POINT_DEVICE_MATRIX;
945 open->bits_per_sample = bits_per_sample;
946 open->postprocopo_id = ASM_NULL_POPP_TOPOLOGY;
949 case SND_AUDIOCODEC_MP3:
950 open->dec_fmt_id = ASM_MEDIA_FMT_MP3;
952 case FORMAT_LINEAR_PCM:
953 open->dec_fmt_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
955 case SND_AUDIOCODEC_FLAC:
956 open->dec_fmt_id = ASM_MEDIA_FMT_FLAC;
958 case SND_AUDIOCODEC_WMA:
959 switch (codec_profile) {
960 case SND_AUDIOPROFILE_WMA9:
961 open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V9;
963 case SND_AUDIOPROFILE_WMA10:
964 case SND_AUDIOPROFILE_WMA9_PRO:
965 case SND_AUDIOPROFILE_WMA9_LOSSLESS:
966 case SND_AUDIOPROFILE_WMA10_LOSSLESS:
967 open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V10;
970 dev_err(ac->dev, "Invalid codec profile 0x%x\n",
976 case SND_AUDIOCODEC_ALAC:
977 open->dec_fmt_id = ASM_MEDIA_FMT_ALAC;
979 case SND_AUDIOCODEC_APE:
980 open->dec_fmt_id = ASM_MEDIA_FMT_APE;
983 dev_err(ac->dev, "Invalid format 0x%x\n", format);
988 rc = q6asm_ac_send_cmd_sync(ac, pkt);
992 ac->io_mode |= ASM_TUN_WRITE_IO_MODE;
998 EXPORT_SYMBOL_GPL(q6asm_open_write);
1000 static int __q6asm_run(struct audio_client *ac, uint32_t flags,
1001 uint32_t msw_ts, uint32_t lsw_ts, bool wait)
1003 struct asm_session_cmd_run_v2 *run;
1004 struct apr_pkt *pkt;
1008 pkt_size = APR_HDR_SIZE + sizeof(*run);
1009 p = kzalloc(pkt_size, GFP_ATOMIC);
1014 run = p + APR_HDR_SIZE;
1016 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1018 pkt->hdr.opcode = ASM_SESSION_CMD_RUN_V2;
1020 run->time_lsw = lsw_ts;
1021 run->time_msw = msw_ts;
1023 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1025 rc = apr_send_pkt(ac->adev, pkt);
1035 * q6asm_run() - start the audio client
1037 * @ac: audio client pointer
1038 * @flags: flags associated with write
1039 * @msw_ts: timestamp msw
1040 * @lsw_ts: timestamp lsw
1042 * Return: Will be an negative value on error or zero on success
1044 int q6asm_run(struct audio_client *ac, uint32_t flags,
1045 uint32_t msw_ts, uint32_t lsw_ts)
1047 return __q6asm_run(ac, flags, msw_ts, lsw_ts, true);
1049 EXPORT_SYMBOL_GPL(q6asm_run);
1052 * q6asm_run_nowait() - start the audio client withou blocking
1054 * @ac: audio client pointer
1055 * @flags: flags associated with write
1056 * @msw_ts: timestamp msw
1057 * @lsw_ts: timestamp lsw
1059 * Return: Will be an negative value on error or zero on success
1061 int q6asm_run_nowait(struct audio_client *ac, uint32_t flags,
1062 uint32_t msw_ts, uint32_t lsw_ts)
1064 return __q6asm_run(ac, flags, msw_ts, lsw_ts, false);
1066 EXPORT_SYMBOL_GPL(q6asm_run_nowait);
1069 * q6asm_media_format_block_multi_ch_pcm() - setup pcm configuration
1071 * @ac: audio client pointer
1072 * @rate: audio sample rate
1073 * @channels: number of audio channels.
1074 * @channel_map: channel map pointer
1075 * @bits_per_sample: bits per sample
1077 * Return: Will be an negative value on error or zero on success
1079 int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac,
1080 uint32_t rate, uint32_t channels,
1081 u8 channel_map[PCM_MAX_NUM_CHANNEL],
1082 uint16_t bits_per_sample)
1084 struct asm_multi_channel_pcm_fmt_blk_v2 *fmt;
1085 struct apr_pkt *pkt;
1086 u8 *channel_mapping;
1090 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1091 p = kzalloc(pkt_size, GFP_KERNEL);
1096 fmt = p + APR_HDR_SIZE;
1098 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1100 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1101 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1102 fmt->num_channels = channels;
1103 fmt->bits_per_sample = bits_per_sample;
1104 fmt->sample_rate = rate;
1107 channel_mapping = fmt->channel_mapping;
1110 memcpy(channel_mapping, channel_map, PCM_MAX_NUM_CHANNEL);
1112 if (q6dsp_map_channels(channel_mapping, channels)) {
1113 dev_err(ac->dev, " map channels failed %d\n", channels);
1119 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1125 EXPORT_SYMBOL_GPL(q6asm_media_format_block_multi_ch_pcm);
1128 int q6asm_stream_media_format_block_flac(struct audio_client *ac,
1129 struct q6asm_flac_cfg *cfg)
1131 struct asm_flac_fmt_blk_v2 *fmt;
1132 struct apr_pkt *pkt;
1136 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1137 p = kzalloc(pkt_size, GFP_KERNEL);
1142 fmt = p + APR_HDR_SIZE;
1144 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1146 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1147 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1148 fmt->is_stream_info_present = cfg->stream_info_present;
1149 fmt->num_channels = cfg->ch_cfg;
1150 fmt->min_blk_size = cfg->min_blk_size;
1151 fmt->max_blk_size = cfg->max_blk_size;
1152 fmt->sample_rate = cfg->sample_rate;
1153 fmt->min_frame_size = cfg->min_frame_size;
1154 fmt->max_frame_size = cfg->max_frame_size;
1155 fmt->sample_size = cfg->sample_size;
1157 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1162 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_flac);
1164 int q6asm_stream_media_format_block_wma_v9(struct audio_client *ac,
1165 struct q6asm_wma_cfg *cfg)
1167 struct asm_wmastdv9_fmt_blk_v2 *fmt;
1168 struct apr_pkt *pkt;
1172 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1173 p = kzalloc(pkt_size, GFP_KERNEL);
1178 fmt = p + APR_HDR_SIZE;
1180 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1182 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1183 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1184 fmt->fmtag = cfg->fmtag;
1185 fmt->num_channels = cfg->num_channels;
1186 fmt->sample_rate = cfg->sample_rate;
1187 fmt->bytes_per_sec = cfg->bytes_per_sec;
1188 fmt->blk_align = cfg->block_align;
1189 fmt->bits_per_sample = cfg->bits_per_sample;
1190 fmt->channel_mask = cfg->channel_mask;
1191 fmt->enc_options = cfg->enc_options;
1194 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1199 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v9);
1201 int q6asm_stream_media_format_block_wma_v10(struct audio_client *ac,
1202 struct q6asm_wma_cfg *cfg)
1204 struct asm_wmaprov10_fmt_blk_v2 *fmt;
1205 struct apr_pkt *pkt;
1209 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1210 p = kzalloc(pkt_size, GFP_KERNEL);
1215 fmt = p + APR_HDR_SIZE;
1217 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1219 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1220 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1221 fmt->fmtag = cfg->fmtag;
1222 fmt->num_channels = cfg->num_channels;
1223 fmt->sample_rate = cfg->sample_rate;
1224 fmt->bytes_per_sec = cfg->bytes_per_sec;
1225 fmt->blk_align = cfg->block_align;
1226 fmt->bits_per_sample = cfg->bits_per_sample;
1227 fmt->channel_mask = cfg->channel_mask;
1228 fmt->enc_options = cfg->enc_options;
1229 fmt->advanced_enc_options1 = cfg->adv_enc_options;
1230 fmt->advanced_enc_options2 = cfg->adv_enc_options2;
1232 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1237 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v10);
1239 int q6asm_stream_media_format_block_alac(struct audio_client *ac,
1240 struct q6asm_alac_cfg *cfg)
1242 struct asm_alac_fmt_blk_v2 *fmt;
1243 struct apr_pkt *pkt;
1247 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1248 p = kzalloc(pkt_size, GFP_KERNEL);
1253 fmt = p + APR_HDR_SIZE;
1255 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1257 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1258 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1260 fmt->frame_length = cfg->frame_length;
1261 fmt->compatible_version = cfg->compatible_version;
1262 fmt->bit_depth = cfg->bit_depth;
1263 fmt->num_channels = cfg->num_channels;
1264 fmt->max_run = cfg->max_run;
1265 fmt->max_frame_bytes = cfg->max_frame_bytes;
1266 fmt->avg_bit_rate = cfg->avg_bit_rate;
1267 fmt->sample_rate = cfg->sample_rate;
1268 fmt->channel_layout_tag = cfg->channel_layout_tag;
1273 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1278 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_alac);
1280 int q6asm_stream_media_format_block_ape(struct audio_client *ac,
1281 struct q6asm_ape_cfg *cfg)
1283 struct asm_ape_fmt_blk_v2 *fmt;
1284 struct apr_pkt *pkt;
1288 pkt_size = APR_HDR_SIZE + sizeof(*fmt);
1289 p = kzalloc(pkt_size, GFP_KERNEL);
1294 fmt = p + APR_HDR_SIZE;
1296 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1298 pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
1299 fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
1301 fmt->compatible_version = cfg->compatible_version;
1302 fmt->compression_level = cfg->compression_level;
1303 fmt->format_flags = cfg->format_flags;
1304 fmt->blocks_per_frame = cfg->blocks_per_frame;
1305 fmt->final_frame_blocks = cfg->final_frame_blocks;
1306 fmt->total_frames = cfg->total_frames;
1307 fmt->bits_per_sample = cfg->bits_per_sample;
1308 fmt->num_channels = cfg->num_channels;
1309 fmt->sample_rate = cfg->sample_rate;
1310 fmt->seek_table_present = cfg->seek_table_present;
1312 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1317 EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_ape);
1320 * q6asm_enc_cfg_blk_pcm_format_support() - setup pcm configuration for capture
1322 * @ac: audio client pointer
1323 * @rate: audio sample rate
1324 * @channels: number of audio channels.
1325 * @bits_per_sample: bits per sample
1327 * Return: Will be an negative value on error or zero on success
1329 int q6asm_enc_cfg_blk_pcm_format_support(struct audio_client *ac,
1330 uint32_t rate, uint32_t channels, uint16_t bits_per_sample)
1332 struct asm_multi_channel_pcm_enc_cfg_v2 *enc_cfg;
1333 struct apr_pkt *pkt;
1334 u8 *channel_mapping;
1335 u32 frames_per_buf = 0;
1339 pkt_size = APR_HDR_SIZE + sizeof(*enc_cfg);
1340 p = kzalloc(pkt_size, GFP_KERNEL);
1345 enc_cfg = p + APR_HDR_SIZE;
1346 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1348 pkt->hdr.opcode = ASM_STREAM_CMD_SET_ENCDEC_PARAM;
1349 enc_cfg->encdec.param_id = ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2;
1350 enc_cfg->encdec.param_size = sizeof(*enc_cfg) - sizeof(enc_cfg->encdec);
1351 enc_cfg->encblk.frames_per_buf = frames_per_buf;
1352 enc_cfg->encblk.enc_cfg_blk_size = enc_cfg->encdec.param_size -
1353 sizeof(struct asm_enc_cfg_blk_param_v2);
1355 enc_cfg->num_channels = channels;
1356 enc_cfg->bits_per_sample = bits_per_sample;
1357 enc_cfg->sample_rate = rate;
1358 enc_cfg->is_signed = 1;
1359 channel_mapping = enc_cfg->channel_mapping;
1361 if (q6dsp_map_channels(channel_mapping, channels)) {
1366 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1371 EXPORT_SYMBOL_GPL(q6asm_enc_cfg_blk_pcm_format_support);
1375 * q6asm_read() - read data of period size from audio client
1377 * @ac: audio client pointer
1379 * Return: Will be an negative value on error or zero on success
1381 int q6asm_read(struct audio_client *ac)
1383 struct asm_data_cmd_read_v2 *read;
1384 struct audio_port_data *port;
1385 struct audio_buffer *ab;
1386 struct apr_pkt *pkt;
1387 unsigned long flags;
1392 pkt_size = APR_HDR_SIZE + sizeof(*read);
1393 p = kzalloc(pkt_size, GFP_ATOMIC);
1398 read = p + APR_HDR_SIZE;
1400 spin_lock_irqsave(&ac->lock, flags);
1401 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
1402 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, ac->stream_id);
1403 ab = &port->buf[port->dsp_buf];
1404 pkt->hdr.opcode = ASM_DATA_CMD_READ_V2;
1405 read->buf_addr_lsw = lower_32_bits(ab->phys);
1406 read->buf_addr_msw = upper_32_bits(ab->phys);
1407 read->mem_map_handle = port->mem_map_handle;
1409 read->buf_size = ab->size;
1410 read->seq_id = port->dsp_buf;
1411 pkt->hdr.token = port->dsp_buf;
1415 if (port->dsp_buf >= port->num_periods)
1418 spin_unlock_irqrestore(&ac->lock, flags);
1419 rc = apr_send_pkt(ac->adev, pkt);
1423 pr_err("read op[0x%x]rc[%d]\n", pkt->hdr.opcode, rc);
1428 EXPORT_SYMBOL_GPL(q6asm_read);
1430 static int __q6asm_open_read(struct audio_client *ac,
1431 uint32_t format, uint16_t bits_per_sample)
1433 struct asm_stream_cmd_open_read_v3 *open;
1434 struct apr_pkt *pkt;
1438 pkt_size = APR_HDR_SIZE + sizeof(*open);
1439 p = kzalloc(pkt_size, GFP_KERNEL);
1444 open = p + APR_HDR_SIZE;
1446 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, ac->stream_id);
1447 pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_READ_V3;
1448 /* Stream prio : High, provide meta info with encoded frames */
1449 open->src_endpointype = ASM_END_POINT_DEVICE_MATRIX;
1451 open->preprocopo_id = ASM_STREAM_POSTPROC_TOPO_ID_NONE;
1452 open->bits_per_sample = bits_per_sample;
1453 open->mode_flags = 0x0;
1455 open->mode_flags |= ASM_LEGACY_STREAM_SESSION <<
1456 ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ;
1459 case FORMAT_LINEAR_PCM:
1460 open->mode_flags |= 0x00;
1461 open->enc_cfg_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
1464 pr_err("Invalid format[%d]\n", format);
1467 rc = q6asm_ac_send_cmd_sync(ac, pkt);
1474 * q6asm_open_read() - Open audio client for reading
1476 * @ac: audio client pointer
1477 * @format: audio sample format
1478 * @bits_per_sample: bits per sample
1480 * Return: Will be an negative value on error or zero on success
1482 int q6asm_open_read(struct audio_client *ac, uint32_t format,
1483 uint16_t bits_per_sample)
1485 return __q6asm_open_read(ac, format, bits_per_sample);
1487 EXPORT_SYMBOL_GPL(q6asm_open_read);
1490 * q6asm_write_async() - non blocking write
1492 * @ac: audio client pointer
1493 * @len: length in bytes
1494 * @msw_ts: timestamp msw
1495 * @lsw_ts: timestamp lsw
1496 * @wflags: flags associated with write
1498 * Return: Will be an negative value on error or zero on success
1500 int q6asm_write_async(struct audio_client *ac, uint32_t len, uint32_t msw_ts,
1501 uint32_t lsw_ts, uint32_t wflags)
1503 struct asm_data_cmd_write_v2 *write;
1504 struct audio_port_data *port;
1505 struct audio_buffer *ab;
1506 unsigned long flags;
1507 struct apr_pkt *pkt;
1512 pkt_size = APR_HDR_SIZE + sizeof(*write);
1513 p = kzalloc(pkt_size, GFP_ATOMIC);
1518 write = p + APR_HDR_SIZE;
1520 spin_lock_irqsave(&ac->lock, flags);
1521 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
1522 q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, ac->stream_id);
1524 ab = &port->buf[port->dsp_buf];
1525 pkt->hdr.token = port->dsp_buf;
1526 pkt->hdr.opcode = ASM_DATA_CMD_WRITE_V2;
1527 write->buf_addr_lsw = lower_32_bits(ab->phys);
1528 write->buf_addr_msw = upper_32_bits(ab->phys);
1529 write->buf_size = len;
1530 write->seq_id = port->dsp_buf;
1531 write->timestamp_lsw = lsw_ts;
1532 write->timestamp_msw = msw_ts;
1533 write->mem_map_handle =
1534 ac->port[SNDRV_PCM_STREAM_PLAYBACK].mem_map_handle;
1536 if (wflags == NO_TIMESTAMP)
1537 write->flags = (wflags & 0x800000FF);
1539 write->flags = (0x80000000 | wflags);
1543 if (port->dsp_buf >= port->num_periods)
1546 spin_unlock_irqrestore(&ac->lock, flags);
1547 rc = apr_send_pkt(ac->adev, pkt);
1554 EXPORT_SYMBOL_GPL(q6asm_write_async);
1556 static void q6asm_reset_buf_state(struct audio_client *ac)
1558 struct audio_port_data *port = NULL;
1559 unsigned long flags;
1561 spin_lock_irqsave(&ac->lock, flags);
1562 port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
1564 port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
1566 spin_unlock_irqrestore(&ac->lock, flags);
1569 static int __q6asm_cmd(struct audio_client *ac, int cmd, bool wait)
1571 int stream_id = ac->stream_id;
1575 q6asm_add_hdr(ac, &pkt.hdr, APR_HDR_SIZE, true, stream_id);
1579 pkt.hdr.opcode = ASM_SESSION_CMD_PAUSE;
1582 pkt.hdr.opcode = ASM_SESSION_CMD_SUSPEND;
1585 pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH;
1588 pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH_READBUFS;
1591 pkt.hdr.opcode = ASM_DATA_CMD_EOS;
1594 pkt.hdr.opcode = ASM_STREAM_CMD_CLOSE;
1601 rc = q6asm_ac_send_cmd_sync(ac, &pkt);
1603 return apr_send_pkt(ac->adev, &pkt);
1608 if (cmd == CMD_FLUSH)
1609 q6asm_reset_buf_state(ac);
1615 * q6asm_cmd() - run cmd on audio client
1617 * @ac: audio client pointer
1618 * @cmd: command to run on audio client.
1620 * Return: Will be an negative value on error or zero on success
1622 int q6asm_cmd(struct audio_client *ac, int cmd)
1624 return __q6asm_cmd(ac, cmd, true);
1626 EXPORT_SYMBOL_GPL(q6asm_cmd);
1629 * q6asm_cmd_nowait() - non blocking, run cmd on audio client
1631 * @ac: audio client pointer
1632 * @cmd: command to run on audio client.
1634 * Return: Will be an negative value on error or zero on success
1636 int q6asm_cmd_nowait(struct audio_client *ac, int cmd)
1638 return __q6asm_cmd(ac, cmd, false);
1640 EXPORT_SYMBOL_GPL(q6asm_cmd_nowait);
1642 static int q6asm_probe(struct apr_device *adev)
1644 struct device *dev = &adev->dev;
1645 struct q6asm *q6asm;
1647 q6asm = devm_kzalloc(dev, sizeof(*q6asm), GFP_KERNEL);
1651 q6core_get_svc_api_info(adev->svc_id, &q6asm->ainfo);
1655 init_waitqueue_head(&q6asm->mem_wait);
1656 spin_lock_init(&q6asm->slock);
1657 dev_set_drvdata(dev, q6asm);
1659 return of_platform_populate(dev->of_node, NULL, NULL, dev);
1662 static int q6asm_remove(struct apr_device *adev)
1664 of_platform_depopulate(&adev->dev);
1668 static const struct of_device_id q6asm_device_id[] = {
1669 { .compatible = "qcom,q6asm" },
1672 MODULE_DEVICE_TABLE(of, q6asm_device_id);
1674 static struct apr_driver qcom_q6asm_driver = {
1675 .probe = q6asm_probe,
1676 .remove = q6asm_remove,
1677 .callback = q6asm_srvc_callback,
1679 .name = "qcom-q6asm",
1680 .of_match_table = of_match_ptr(q6asm_device_id),
1684 module_apr_driver(qcom_q6asm_driver);
1685 MODULE_DESCRIPTION("Q6 Audio Stream Manager driver");
1686 MODULE_LICENSE("GPL v2");