// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
// Copyright (c) 2018, Linaro Limited
#include <dt-bindings/sound/qcom,q6asm.h>
#include <linux/mutex.h>
#include <linux/wait.h>
#include <linux/module.h>
#include <linux/soc/qcom/apr.h>
#include <linux/device.h>
#include <linux/of_platform.h>
#include <linux/spinlock.h>
#include <linux/kref.h>
#include <linux/of.h>
#include <uapi/sound/asound.h>
#include <uapi/sound/compress_params.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include "q6asm.h"
#include "q6core.h"
#include "q6dsp-errno.h"
#include "q6dsp-common.h"
#define ASM_STREAM_CMD_CLOSE 0x00010BCD
#define ASM_STREAM_CMD_FLUSH 0x00010BCE
#define ASM_SESSION_CMD_PAUSE 0x00010BD3
#define ASM_DATA_CMD_EOS 0x00010BDB
#define ASM_DATA_EVENT_RENDERED_EOS 0x00010C1C
#define ASM_NULL_POPP_TOPOLOGY 0x00010C68
#define ASM_STREAM_CMD_FLUSH_READBUFS 0x00010C09
#define ASM_STREAM_CMD_SET_ENCDEC_PARAM 0x00010C10
#define ASM_STREAM_POSTPROC_TOPO_ID_NONE 0x00010C68
#define ASM_CMD_SHARED_MEM_MAP_REGIONS 0x00010D92
#define ASM_CMDRSP_SHARED_MEM_MAP_REGIONS 0x00010D93
#define ASM_CMD_SHARED_MEM_UNMAP_REGIONS 0x00010D94
#define ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2 0x00010D98
#define ASM_DATA_EVENT_WRITE_DONE_V2 0x00010D99
#define ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2 0x00010DA3
#define ASM_SESSION_CMD_RUN_V2 0x00010DAA
#define ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2 0x00010DA5
#define ASM_MEDIA_FMT_MP3 0x00010BE9
#define ASM_MEDIA_FMT_FLAC 0x00010C16
#define ASM_MEDIA_FMT_WMA_V9 0x00010DA8
#define ASM_MEDIA_FMT_WMA_V10 0x00010DA7
#define ASM_DATA_CMD_WRITE_V2 0x00010DAB
#define ASM_DATA_CMD_READ_V2 0x00010DAC
#define ASM_SESSION_CMD_SUSPEND 0x00010DEC
#define ASM_STREAM_CMD_OPEN_WRITE_V3 0x00010DB3
#define ASM_STREAM_CMD_OPEN_READ_V3 0x00010DB4
#define ASM_DATA_EVENT_READ_DONE_V2 0x00010D9A
#define ASM_STREAM_CMD_OPEN_READWRITE_V2 0x00010D8D
#define ASM_MEDIA_FMT_ALAC 0x00012f31
#define ASM_MEDIA_FMT_APE 0x00012f32
#define ASM_DATA_CMD_REMOVE_INITIAL_SILENCE 0x00010D67
#define ASM_DATA_CMD_REMOVE_TRAILING_SILENCE 0x00010D68
#define ASM_LEGACY_STREAM_SESSION 0
/* Bit shift for the stream_perf_mode subfield. */
#define ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ 29
#define ASM_END_POINT_DEVICE_MATRIX 0
#define ASM_DEFAULT_APP_TYPE 0
#define ASM_SYNC_IO_MODE 0x0001
#define ASM_ASYNC_IO_MODE 0x0002
#define ASM_TUN_READ_IO_MODE 0x0004 /* tunnel read write mode */
#define ASM_TUN_WRITE_IO_MODE 0x0008 /* tunnel read write mode */
#define ASM_SHIFT_GAPLESS_MODE_FLAG 31
#define ADSP_MEMORY_MAP_SHMEM8_4K_POOL 3
struct avs_cmd_shared_mem_map_regions {
u16 mem_pool_id;
u16 num_regions;
u32 property_flag;
} __packed;
struct avs_shared_map_region_payload {
u32 shm_addr_lsw;
u32 shm_addr_msw;
u32 mem_size_bytes;
} __packed;
struct avs_cmd_shared_mem_unmap_regions {
u32 mem_map_handle;
} __packed;
struct asm_data_cmd_media_fmt_update_v2 {
u32 fmt_blk_size;
} __packed;
struct asm_multi_channel_pcm_fmt_blk_v2 {
struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
u16 num_channels;
u16 bits_per_sample;
u32 sample_rate;
u16 is_signed;
u16 reserved;
u8 channel_mapping[PCM_MAX_NUM_CHANNEL];
} __packed;
struct asm_flac_fmt_blk_v2 {
struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
u16 is_stream_info_present;
u16 num_channels;
u16 min_blk_size;
u16 max_blk_size;
u16 md5_sum[8];
u32 sample_rate;
u32 min_frame_size;
u32 max_frame_size;
u16 sample_size;
u16 reserved;
} __packed;
struct asm_wmastdv9_fmt_blk_v2 {
struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
u16 fmtag;
u16 num_channels;
u32 sample_rate;
u32 bytes_per_sec;
u16 blk_align;
u16 bits_per_sample;
u32 channel_mask;
u16 enc_options;
u16 reserved;
} __packed;
struct asm_wmaprov10_fmt_blk_v2 {
struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
u16 fmtag;
u16 num_channels;
u32 sample_rate;
u32 bytes_per_sec;
u16 blk_align;
u16 bits_per_sample;
u32 channel_mask;
u16 enc_options;
u16 advanced_enc_options1;
u32 advanced_enc_options2;
} __packed;
struct asm_alac_fmt_blk_v2 {
struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
u32 frame_length;
u8 compatible_version;
u8 bit_depth;
u8 pb;
u8 mb;
u8 kb;
u8 num_channels;
u16 max_run;
u32 max_frame_bytes;
u32 avg_bit_rate;
u32 sample_rate;
u32 channel_layout_tag;
} __packed;
struct asm_ape_fmt_blk_v2 {
struct asm_data_cmd_media_fmt_update_v2 fmt_blk;
u16 compatible_version;
u16 compression_level;
u32 format_flags;
u32 blocks_per_frame;
u32 final_frame_blocks;
u32 total_frames;
u16 bits_per_sample;
u16 num_channels;
u32 sample_rate;
u32 seek_table_present;
} __packed;
struct asm_stream_cmd_set_encdec_param {
u32 param_id;
u32 param_size;
} __packed;
struct asm_enc_cfg_blk_param_v2 {
u32 frames_per_buf;
u32 enc_cfg_blk_size;
} __packed;
struct asm_multi_channel_pcm_enc_cfg_v2 {
struct asm_stream_cmd_set_encdec_param encdec;
struct asm_enc_cfg_blk_param_v2 encblk;
uint16_t num_channels;
uint16_t bits_per_sample;
uint32_t sample_rate;
uint16_t is_signed;
uint16_t reserved;
uint8_t channel_mapping[8];
} __packed;
struct asm_data_cmd_read_v2 {
u32 buf_addr_lsw;
u32 buf_addr_msw;
u32 mem_map_handle;
u32 buf_size;
u32 seq_id;
} __packed;
struct asm_data_cmd_read_v2_done {
u32 status;
u32 buf_addr_lsw;
u32 buf_addr_msw;
};
struct asm_stream_cmd_open_read_v3 {
u32 mode_flags;
u32 src_endpointype;
u32 preprocopo_id;
u32 enc_cfg_id;
u16 bits_per_sample;
u16 reserved;
} __packed;
struct asm_data_cmd_write_v2 {
u32 buf_addr_lsw;
u32 buf_addr_msw;
u32 mem_map_handle;
u32 buf_size;
u32 seq_id;
u32 timestamp_lsw;
u32 timestamp_msw;
u32 flags;
} __packed;
struct asm_stream_cmd_open_write_v3 {
uint32_t mode_flags;
uint16_t sink_endpointype;
uint16_t bits_per_sample;
uint32_t postprocopo_id;
uint32_t dec_fmt_id;
} __packed;
struct asm_session_cmd_run_v2 {
u32 flags;
u32 time_lsw;
u32 time_msw;
} __packed;
struct audio_buffer {
phys_addr_t phys;
uint32_t size; /* size of buffer */
};
struct audio_port_data {
struct audio_buffer *buf;
uint32_t num_periods;
uint32_t dsp_buf;
uint32_t mem_map_handle;
};
struct q6asm {
struct apr_device *adev;
struct device *dev;
struct q6core_svc_api_info ainfo;
wait_queue_head_t mem_wait;
spinlock_t slock;
struct audio_client *session[MAX_SESSIONS + 1];
};
struct audio_client {
int session;
q6asm_cb cb;
void *priv;
uint32_t io_mode;
struct apr_device *adev;
struct mutex cmd_lock;
spinlock_t lock;
struct kref refcount;
/* idx:1 out port, 0: in port */
struct audio_port_data port[2];
wait_queue_head_t cmd_wait;
struct aprv2_ibasic_rsp_result_t result;
int perf_mode;
struct q6asm *q6asm;
struct device *dev;
};
static inline void q6asm_add_hdr(struct audio_client *ac, struct apr_hdr *hdr,
uint32_t pkt_size, bool cmd_flg,
uint32_t stream_id)
{
hdr->hdr_field = APR_SEQ_CMD_HDR_FIELD;
hdr->src_port = ((ac->session << 8) & 0xFF00) | (stream_id);
hdr->dest_port = ((ac->session << 8) & 0xFF00) | (stream_id);
hdr->pkt_size = pkt_size;
if (cmd_flg)
hdr->token = ac->session;
}
static int q6asm_apr_send_session_pkt(struct q6asm *a, struct audio_client *ac,
struct apr_pkt *pkt, uint32_t rsp_opcode)
{
struct apr_hdr *hdr = &pkt->hdr;
int rc;
mutex_lock(&ac->cmd_lock);
ac->result.opcode = 0;
ac->result.status = 0;
rc = apr_send_pkt(a->adev, pkt);
if (rc < 0)
goto err;
if (rsp_opcode)
rc = wait_event_timeout(a->mem_wait,
(ac->result.opcode == hdr->opcode) ||
(ac->result.opcode == rsp_opcode),
5 * HZ);
else
rc = wait_event_timeout(a->mem_wait,
(ac->result.opcode == hdr->opcode),
5 * HZ);
if (!rc) {
dev_err(a->dev, "CMD %x timeout\n", hdr->opcode);
rc = -ETIMEDOUT;
} else if (ac->result.status > 0) {
dev_err(a->dev, "DSP returned error[%x]\n",
ac->result.status);
rc = -EINVAL;
}
err:
mutex_unlock(&ac->cmd_lock);
return rc;
}
static int __q6asm_memory_unmap(struct audio_client *ac,
phys_addr_t buf_add, int dir)
{
struct avs_cmd_shared_mem_unmap_regions *mem_unmap;
struct q6asm *a = dev_get_drvdata(ac->dev->parent);
struct apr_pkt *pkt;
int rc, pkt_size;
void *p;
if (ac->port[dir].mem_map_handle == 0) {
dev_err(ac->dev, "invalid mem handle\n");
return -EINVAL;
}
pkt_size = APR_HDR_SIZE + sizeof(*mem_unmap);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
mem_unmap = p + APR_HDR_SIZE;
pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
pkt->hdr.src_port = 0;
pkt->hdr.dest_port = 0;
pkt->hdr.pkt_size = pkt_size;
pkt->hdr.token = ((ac->session << 8) | dir);
pkt->hdr.opcode = ASM_CMD_SHARED_MEM_UNMAP_REGIONS;
mem_unmap->mem_map_handle = ac->port[dir].mem_map_handle;
rc = q6asm_apr_send_session_pkt(a, ac, pkt, 0);
if (rc < 0) {
kfree(pkt);
return rc;
}
ac->port[dir].mem_map_handle = 0;
kfree(pkt);
return 0;
}
static void q6asm_audio_client_free_buf(struct audio_client *ac,
struct audio_port_data *port)
{
unsigned long flags;
spin_lock_irqsave(&ac->lock, flags);
port->num_periods = 0;
kfree(port->buf);
port->buf = NULL;
spin_unlock_irqrestore(&ac->lock, flags);
}
/**
* q6asm_unmap_memory_regions() - unmap memory regions in the dsp.
*
* @dir: direction of audio stream
* @ac: audio client instanace
*
* Return: Will be an negative value on failure or zero on success
*/
int q6asm_unmap_memory_regions(unsigned int dir, struct audio_client *ac)
{
struct audio_port_data *port;
int cnt = 0;
int rc = 0;
port = &ac->port[dir];
if (!port->buf) {
rc = -EINVAL;
goto err;
}
cnt = port->num_periods - 1;
if (cnt >= 0) {
rc = __q6asm_memory_unmap(ac, port->buf[dir].phys, dir);
if (rc < 0) {
dev_err(ac->dev, "%s: Memory_unmap_regions failed %d\n",
__func__, rc);
goto err;
}
}
q6asm_audio_client_free_buf(ac, port);
err:
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_unmap_memory_regions);
static int __q6asm_memory_map_regions(struct audio_client *ac, int dir,
size_t period_sz, unsigned int periods,
bool is_contiguous)
{
struct avs_cmd_shared_mem_map_regions *cmd = NULL;
struct avs_shared_map_region_payload *mregions = NULL;
struct q6asm *a = dev_get_drvdata(ac->dev->parent);
struct audio_port_data *port = NULL;
struct audio_buffer *ab = NULL;
struct apr_pkt *pkt;
void *p;
unsigned long flags;
uint32_t num_regions, buf_sz;
int rc, i, pkt_size;
if (is_contiguous) {
num_regions = 1;
buf_sz = period_sz * periods;
} else {
buf_sz = period_sz;
num_regions = periods;
}
/* DSP expects size should be aligned to 4K */
buf_sz = ALIGN(buf_sz, 4096);
pkt_size = APR_HDR_SIZE + sizeof(*cmd) +
(sizeof(*mregions) * num_regions);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
cmd = p + APR_HDR_SIZE;
mregions = p + APR_HDR_SIZE + sizeof(*cmd);
pkt->hdr.hdr_field = APR_SEQ_CMD_HDR_FIELD;
pkt->hdr.src_port = 0;
pkt->hdr.dest_port = 0;
pkt->hdr.pkt_size = pkt_size;
pkt->hdr.token = ((ac->session << 8) | dir);
pkt->hdr.opcode = ASM_CMD_SHARED_MEM_MAP_REGIONS;
cmd->mem_pool_id = ADSP_MEMORY_MAP_SHMEM8_4K_POOL;
cmd->num_regions = num_regions;
cmd->property_flag = 0x00;
spin_lock_irqsave(&ac->lock, flags);
port = &ac->port[dir];
for (i = 0; i < num_regions; i++) {
ab = &port->buf[i];
mregions->shm_addr_lsw = lower_32_bits(ab->phys);
mregions->shm_addr_msw = upper_32_bits(ab->phys);
mregions->mem_size_bytes = buf_sz;
++mregions;
}
spin_unlock_irqrestore(&ac->lock, flags);
rc = q6asm_apr_send_session_pkt(a, ac, pkt,
ASM_CMDRSP_SHARED_MEM_MAP_REGIONS);
kfree(pkt);
return rc;
}
/**
* q6asm_map_memory_regions() - map memory regions in the dsp.
*
* @dir: direction of audio stream
* @ac: audio client instanace
* @phys: physical address that needs mapping.
* @period_sz: audio period size
* @periods: number of periods
*
* Return: Will be an negative value on failure or zero on success
*/
int q6asm_map_memory_regions(unsigned int dir, struct audio_client *ac,
phys_addr_t phys,
size_t period_sz, unsigned int periods)
{
struct audio_buffer *buf;
unsigned long flags;
int cnt;
int rc;
spin_lock_irqsave(&ac->lock, flags);
if (ac->port[dir].buf) {
dev_err(ac->dev, "Buffer already allocated\n");
spin_unlock_irqrestore(&ac->lock, flags);
return 0;
}
buf = kcalloc(periods, sizeof(*buf), GFP_ATOMIC);
if (!buf) {
spin_unlock_irqrestore(&ac->lock, flags);
return -ENOMEM;
}
ac->port[dir].buf = buf;
buf[0].phys = phys;
buf[0].size = period_sz;
for (cnt = 1; cnt < periods; cnt++) {
if (period_sz > 0) {
buf[cnt].phys = buf[0].phys + (cnt * period_sz);
buf[cnt].size = period_sz;
}
}
ac->port[dir].num_periods = periods;
spin_unlock_irqrestore(&ac->lock, flags);
rc = __q6asm_memory_map_regions(ac, dir, period_sz, periods, 1);
if (rc < 0) {
dev_err(ac->dev, "Memory_map_regions failed\n");
q6asm_audio_client_free_buf(ac, &ac->port[dir]);
}
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_map_memory_regions);
static void q6asm_audio_client_release(struct kref *ref)
{
struct audio_client *ac;
struct q6asm *a;
unsigned long flags;
ac = container_of(ref, struct audio_client, refcount);
a = ac->q6asm;
spin_lock_irqsave(&a->slock, flags);
a->session[ac->session] = NULL;
spin_unlock_irqrestore(&a->slock, flags);
kfree(ac);
}
/**
* q6asm_audio_client_free() - Freee allocated audio client
*
* @ac: audio client to free
*/
void q6asm_audio_client_free(struct audio_client *ac)
{
kref_put(&ac->refcount, q6asm_audio_client_release);
}
EXPORT_SYMBOL_GPL(q6asm_audio_client_free);
static struct audio_client *q6asm_get_audio_client(struct q6asm *a,
int session_id)
{
struct audio_client *ac = NULL;
unsigned long flags;
spin_lock_irqsave(&a->slock, flags);
if ((session_id <= 0) || (session_id > MAX_SESSIONS)) {
dev_err(a->dev, "invalid session: %d\n", session_id);
goto err;
}
/* check for valid session */
if (!a->session[session_id])
goto err;
else if (a->session[session_id]->session != session_id)
goto err;
ac = a->session[session_id];
kref_get(&ac->refcount);
err:
spin_unlock_irqrestore(&a->slock, flags);
return ac;
}
static int32_t q6asm_stream_callback(struct apr_device *adev,
struct apr_resp_pkt *data,
int session_id)
{
struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
struct aprv2_ibasic_rsp_result_t *result;
struct apr_hdr *hdr = &data->hdr;
struct audio_port_data *port;
struct audio_client *ac;
uint32_t client_event = 0;
int ret = 0;
ac = q6asm_get_audio_client(q6asm, session_id);
if (!ac)/* Audio client might already be freed by now */
return 0;
result = data->payload;
switch (hdr->opcode) {
case APR_BASIC_RSP_RESULT:
switch (result->opcode) {
case ASM_SESSION_CMD_PAUSE:
client_event = ASM_CLIENT_EVENT_CMD_PAUSE_DONE;
break;
case ASM_SESSION_CMD_SUSPEND:
client_event = ASM_CLIENT_EVENT_CMD_SUSPEND_DONE;
break;
case ASM_STREAM_CMD_FLUSH:
client_event = ASM_CLIENT_EVENT_CMD_FLUSH_DONE;
break;
case ASM_SESSION_CMD_RUN_V2:
client_event = ASM_CLIENT_EVENT_CMD_RUN_DONE;
break;
case ASM_STREAM_CMD_CLOSE:
client_event = ASM_CLIENT_EVENT_CMD_CLOSE_DONE;
break;
case ASM_STREAM_CMD_FLUSH_READBUFS:
client_event = ASM_CLIENT_EVENT_CMD_OUT_FLUSH_DONE;
break;
case ASM_STREAM_CMD_OPEN_WRITE_V3:
case ASM_STREAM_CMD_OPEN_READ_V3:
case ASM_STREAM_CMD_OPEN_READWRITE_V2:
case ASM_STREAM_CMD_SET_ENCDEC_PARAM:
case ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2:
case ASM_DATA_CMD_REMOVE_INITIAL_SILENCE:
case ASM_DATA_CMD_REMOVE_TRAILING_SILENCE:
if (result->status != 0) {
dev_err(ac->dev,
"cmd = 0x%x returned error = 0x%x\n",
result->opcode, result->status);
ac->result = *result;
wake_up(&ac->cmd_wait);
ret = 0;
goto done;
}
break;
default:
dev_err(ac->dev, "command[0x%x] not expecting rsp\n",
result->opcode);
break;
}
ac->result = *result;
wake_up(&ac->cmd_wait);
if (ac->cb)
ac->cb(client_event, hdr->token,
data->payload, ac->priv);
ret = 0;
goto done;
case ASM_DATA_EVENT_WRITE_DONE_V2:
client_event = ASM_CLIENT_EVENT_DATA_WRITE_DONE;
if (ac->io_mode & ASM_SYNC_IO_MODE) {
phys_addr_t phys;
unsigned long flags;
int token = hdr->token & ASM_WRITE_TOKEN_MASK;
spin_lock_irqsave(&ac->lock, flags);
port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
if (!port->buf) {
spin_unlock_irqrestore(&ac->lock, flags);
ret = 0;
goto done;
}
phys = port->buf[token].phys;
if (lower_32_bits(phys) != result->opcode ||
upper_32_bits(phys) != result->status) {
dev_err(ac->dev, "Expected addr %pa\n",
&port->buf[token].phys);
spin_unlock_irqrestore(&ac->lock, flags);
ret = -EINVAL;
goto done;
}
spin_unlock_irqrestore(&ac->lock, flags);
}
break;
case ASM_DATA_EVENT_READ_DONE_V2:
client_event = ASM_CLIENT_EVENT_DATA_READ_DONE;
if (ac->io_mode & ASM_SYNC_IO_MODE) {
struct asm_data_cmd_read_v2_done *done = data->payload;
unsigned long flags;
phys_addr_t phys;
spin_lock_irqsave(&ac->lock, flags);
port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
if (!port->buf) {
spin_unlock_irqrestore(&ac->lock, flags);
ret = 0;
goto done;
}
phys = port->buf[hdr->token].phys;
if (upper_32_bits(phys) != done->buf_addr_msw ||
lower_32_bits(phys) != done->buf_addr_lsw) {
dev_err(ac->dev, "Expected addr %pa %08x-%08x\n",
&port->buf[hdr->token].phys,
done->buf_addr_lsw,
done->buf_addr_msw);
spin_unlock_irqrestore(&ac->lock, flags);
ret = -EINVAL;
goto done;
}
spin_unlock_irqrestore(&ac->lock, flags);
}
break;
case ASM_DATA_EVENT_RENDERED_EOS:
client_event = ASM_CLIENT_EVENT_CMD_EOS_DONE;
break;
}
if (ac->cb)
ac->cb(client_event, hdr->token, data->payload, ac->priv);
done:
kref_put(&ac->refcount, q6asm_audio_client_release);
return ret;
}
static int q6asm_srvc_callback(struct apr_device *adev,
struct apr_resp_pkt *data)
{
struct q6asm *q6asm = dev_get_drvdata(&adev->dev);
struct aprv2_ibasic_rsp_result_t *result;
struct audio_port_data *port;
struct audio_client *ac = NULL;
struct apr_hdr *hdr = &data->hdr;
struct q6asm *a;
uint32_t sid = 0;
uint32_t dir = 0;
int session_id;
session_id = (hdr->dest_port >> 8) & 0xFF;
if (session_id)
return q6asm_stream_callback(adev, data, session_id);
sid = (hdr->token >> 8) & 0x0F;
ac = q6asm_get_audio_client(q6asm, sid);
if (!ac) {
dev_err(&adev->dev, "Audio Client not active\n");
return 0;
}
a = dev_get_drvdata(ac->dev->parent);
dir = (hdr->token & 0x0F);
port = &ac->port[dir];
result = data->payload;
switch (hdr->opcode) {
case APR_BASIC_RSP_RESULT:
switch (result->opcode) {
case ASM_CMD_SHARED_MEM_MAP_REGIONS:
case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
ac->result = *result;
wake_up(&a->mem_wait);
break;
default:
dev_err(&adev->dev, "command[0x%x] not expecting rsp\n",
result->opcode);
break;
}
goto done;
case ASM_CMDRSP_SHARED_MEM_MAP_REGIONS:
ac->result.status = 0;
ac->result.opcode = hdr->opcode;
port->mem_map_handle = result->opcode;
wake_up(&a->mem_wait);
break;
case ASM_CMD_SHARED_MEM_UNMAP_REGIONS:
ac->result.opcode = hdr->opcode;
ac->result.status = 0;
port->mem_map_handle = 0;
wake_up(&a->mem_wait);
break;
default:
dev_dbg(&adev->dev, "command[0x%x]success [0x%x]\n",
result->opcode, result->status);
break;
}
if (ac->cb)
ac->cb(hdr->opcode, hdr->token, data->payload, ac->priv);
done:
kref_put(&ac->refcount, q6asm_audio_client_release);
return 0;
}
/**
* q6asm_get_session_id() - get session id for audio client
*
* @c: audio client pointer
*
* Return: Will be an session id of the audio client.
*/
int q6asm_get_session_id(struct audio_client *c)
{
return c->session;
}
EXPORT_SYMBOL_GPL(q6asm_get_session_id);
/**
* q6asm_audio_client_alloc() - Allocate a new audio client
*
* @dev: Pointer to asm child device.
* @cb: event callback.
* @priv: private data associated with this client.
* @session_id: session id
* @perf_mode: performace mode for this client
*
* Return: Will be an error pointer on error or a valid audio client
* on success.
*/
struct audio_client *q6asm_audio_client_alloc(struct device *dev, q6asm_cb cb,
void *priv, int session_id,
int perf_mode)
{
struct q6asm *a = dev_get_drvdata(dev->parent);
struct audio_client *ac;
unsigned long flags;
ac = q6asm_get_audio_client(a, session_id + 1);
if (ac) {
dev_err(dev, "Audio Client already active\n");
return ac;
}
ac = kzalloc(sizeof(*ac), GFP_KERNEL);
if (!ac)
return ERR_PTR(-ENOMEM);
spin_lock_irqsave(&a->slock, flags);
a->session[session_id + 1] = ac;
spin_unlock_irqrestore(&a->slock, flags);
ac->session = session_id + 1;
ac->cb = cb;
ac->dev = dev;
ac->q6asm = a;
ac->priv = priv;
ac->io_mode = ASM_SYNC_IO_MODE;
ac->perf_mode = perf_mode;
ac->adev = a->adev;
kref_init(&ac->refcount);
init_waitqueue_head(&ac->cmd_wait);
mutex_init(&ac->cmd_lock);
spin_lock_init(&ac->lock);
return ac;
}
EXPORT_SYMBOL_GPL(q6asm_audio_client_alloc);
static int q6asm_ac_send_cmd_sync(struct audio_client *ac, struct apr_pkt *pkt)
{
struct apr_hdr *hdr = &pkt->hdr;
int rc;
mutex_lock(&ac->cmd_lock);
ac->result.opcode = 0;
ac->result.status = 0;
rc = apr_send_pkt(ac->adev, pkt);
if (rc < 0)
goto err;
rc = wait_event_timeout(ac->cmd_wait,
(ac->result.opcode == hdr->opcode), 5 * HZ);
if (!rc) {
dev_err(ac->dev, "CMD %x timeout\n", hdr->opcode);
rc = -ETIMEDOUT;
goto err;
}
if (ac->result.status > 0) {
dev_err(ac->dev, "DSP returned error[%x]\n",
ac->result.status);
rc = -EINVAL;
} else {
rc = 0;
}
err:
mutex_unlock(&ac->cmd_lock);
return rc;
}
/**
* q6asm_open_write() - Open audio client for writing
* @ac: audio client pointer
* @stream_id: stream id of q6asm session
* @format: audio sample format
* @codec_profile: compressed format profile
* @bits_per_sample: bits per sample
* @is_gapless: flag to indicate if this is a gapless stream
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_open_write(struct audio_client *ac, uint32_t stream_id,
uint32_t format, u32 codec_profile,
uint16_t bits_per_sample, bool is_gapless)
{
struct asm_stream_cmd_open_write_v3 *open;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*open);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
open = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_WRITE_V3;
open->mode_flags = 0x00;
open->mode_flags |= ASM_LEGACY_STREAM_SESSION;
if (is_gapless)
open->mode_flags |= BIT(ASM_SHIFT_GAPLESS_MODE_FLAG);
/* source endpoint : matrix */
open->sink_endpointype = ASM_END_POINT_DEVICE_MATRIX;
open->bits_per_sample = bits_per_sample;
open->postprocopo_id = ASM_NULL_POPP_TOPOLOGY;
switch (format) {
case SND_AUDIOCODEC_MP3:
open->dec_fmt_id = ASM_MEDIA_FMT_MP3;
break;
case FORMAT_LINEAR_PCM:
open->dec_fmt_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
break;
case SND_AUDIOCODEC_FLAC:
open->dec_fmt_id = ASM_MEDIA_FMT_FLAC;
break;
case SND_AUDIOCODEC_WMA:
switch (codec_profile) {
case SND_AUDIOPROFILE_WMA9:
open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V9;
break;
case SND_AUDIOPROFILE_WMA10:
case SND_AUDIOPROFILE_WMA9_PRO:
case SND_AUDIOPROFILE_WMA9_LOSSLESS:
case SND_AUDIOPROFILE_WMA10_LOSSLESS:
open->dec_fmt_id = ASM_MEDIA_FMT_WMA_V10;
break;
default:
dev_err(ac->dev, "Invalid codec profile 0x%x\n",
codec_profile);
rc = -EINVAL;
goto err;
}
break;
case SND_AUDIOCODEC_ALAC:
open->dec_fmt_id = ASM_MEDIA_FMT_ALAC;
break;
case SND_AUDIOCODEC_APE:
open->dec_fmt_id = ASM_MEDIA_FMT_APE;
break;
default:
dev_err(ac->dev, "Invalid format 0x%x\n", format);
rc = -EINVAL;
goto err;
}
rc = q6asm_ac_send_cmd_sync(ac, pkt);
if (rc < 0)
goto err;
ac->io_mode |= ASM_TUN_WRITE_IO_MODE;
err:
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_open_write);
static int __q6asm_run(struct audio_client *ac, uint32_t stream_id,
uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts,
bool wait)
{
struct asm_session_cmd_run_v2 *run;
struct apr_pkt *pkt;
int pkt_size, rc;
void *p;
pkt_size = APR_HDR_SIZE + sizeof(*run);
p = kzalloc(pkt_size, GFP_ATOMIC);
if (!p)
return -ENOMEM;
pkt = p;
run = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_SESSION_CMD_RUN_V2;
run->flags = flags;
run->time_lsw = lsw_ts;
run->time_msw = msw_ts;
if (wait) {
rc = q6asm_ac_send_cmd_sync(ac, pkt);
} else {
rc = apr_send_pkt(ac->adev, pkt);
if (rc == pkt_size)
rc = 0;
}
kfree(pkt);
return rc;
}
/**
* q6asm_run() - start the audio client
*
* @ac: audio client pointer
* @stream_id: stream id of q6asm session
* @flags: flags associated with write
* @msw_ts: timestamp msw
* @lsw_ts: timestamp lsw
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_run(struct audio_client *ac, uint32_t stream_id, uint32_t flags,
uint32_t msw_ts, uint32_t lsw_ts)
{
return __q6asm_run(ac, stream_id, flags, msw_ts, lsw_ts, true);
}
EXPORT_SYMBOL_GPL(q6asm_run);
/**
* q6asm_run_nowait() - start the audio client withou blocking
*
* @ac: audio client pointer
* @stream_id: stream id
* @flags: flags associated with write
* @msw_ts: timestamp msw
* @lsw_ts: timestamp lsw
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_run_nowait(struct audio_client *ac, uint32_t stream_id,
uint32_t flags, uint32_t msw_ts, uint32_t lsw_ts)
{
return __q6asm_run(ac, stream_id, flags, msw_ts, lsw_ts, false);
}
EXPORT_SYMBOL_GPL(q6asm_run_nowait);
/**
* q6asm_media_format_block_multi_ch_pcm() - setup pcm configuration
*
* @ac: audio client pointer
* @stream_id: stream id
* @rate: audio sample rate
* @channels: number of audio channels.
* @channel_map: channel map pointer
* @bits_per_sample: bits per sample
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_media_format_block_multi_ch_pcm(struct audio_client *ac,
uint32_t stream_id,
uint32_t rate, uint32_t channels,
u8 channel_map[PCM_MAX_NUM_CHANNEL],
uint16_t bits_per_sample)
{
struct asm_multi_channel_pcm_fmt_blk_v2 *fmt;
struct apr_pkt *pkt;
u8 *channel_mapping;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*fmt);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
fmt = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
fmt->num_channels = channels;
fmt->bits_per_sample = bits_per_sample;
fmt->sample_rate = rate;
fmt->is_signed = 1;
channel_mapping = fmt->channel_mapping;
if (channel_map) {
memcpy(channel_mapping, channel_map, PCM_MAX_NUM_CHANNEL);
} else {
if (q6dsp_map_channels(channel_mapping, channels)) {
dev_err(ac->dev, " map channels failed %d\n", channels);
rc = -EINVAL;
goto err;
}
}
rc = q6asm_ac_send_cmd_sync(ac, pkt);
err:
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_media_format_block_multi_ch_pcm);
int q6asm_stream_media_format_block_flac(struct audio_client *ac,
uint32_t stream_id,
struct q6asm_flac_cfg *cfg)
{
struct asm_flac_fmt_blk_v2 *fmt;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*fmt);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
fmt = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
fmt->is_stream_info_present = cfg->stream_info_present;
fmt->num_channels = cfg->ch_cfg;
fmt->min_blk_size = cfg->min_blk_size;
fmt->max_blk_size = cfg->max_blk_size;
fmt->sample_rate = cfg->sample_rate;
fmt->min_frame_size = cfg->min_frame_size;
fmt->max_frame_size = cfg->max_frame_size;
fmt->sample_size = cfg->sample_size;
rc = q6asm_ac_send_cmd_sync(ac, pkt);
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_flac);
int q6asm_stream_media_format_block_wma_v9(struct audio_client *ac,
uint32_t stream_id,
struct q6asm_wma_cfg *cfg)
{
struct asm_wmastdv9_fmt_blk_v2 *fmt;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*fmt);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
fmt = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
fmt->fmtag = cfg->fmtag;
fmt->num_channels = cfg->num_channels;
fmt->sample_rate = cfg->sample_rate;
fmt->bytes_per_sec = cfg->bytes_per_sec;
fmt->blk_align = cfg->block_align;
fmt->bits_per_sample = cfg->bits_per_sample;
fmt->channel_mask = cfg->channel_mask;
fmt->enc_options = cfg->enc_options;
fmt->reserved = 0;
rc = q6asm_ac_send_cmd_sync(ac, pkt);
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v9);
int q6asm_stream_media_format_block_wma_v10(struct audio_client *ac,
uint32_t stream_id,
struct q6asm_wma_cfg *cfg)
{
struct asm_wmaprov10_fmt_blk_v2 *fmt;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*fmt);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
fmt = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
fmt->fmtag = cfg->fmtag;
fmt->num_channels = cfg->num_channels;
fmt->sample_rate = cfg->sample_rate;
fmt->bytes_per_sec = cfg->bytes_per_sec;
fmt->blk_align = cfg->block_align;
fmt->bits_per_sample = cfg->bits_per_sample;
fmt->channel_mask = cfg->channel_mask;
fmt->enc_options = cfg->enc_options;
fmt->advanced_enc_options1 = cfg->adv_enc_options;
fmt->advanced_enc_options2 = cfg->adv_enc_options2;
rc = q6asm_ac_send_cmd_sync(ac, pkt);
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_wma_v10);
int q6asm_stream_media_format_block_alac(struct audio_client *ac,
uint32_t stream_id,
struct q6asm_alac_cfg *cfg)
{
struct asm_alac_fmt_blk_v2 *fmt;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*fmt);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
fmt = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
fmt->frame_length = cfg->frame_length;
fmt->compatible_version = cfg->compatible_version;
fmt->bit_depth = cfg->bit_depth;
fmt->num_channels = cfg->num_channels;
fmt->max_run = cfg->max_run;
fmt->max_frame_bytes = cfg->max_frame_bytes;
fmt->avg_bit_rate = cfg->avg_bit_rate;
fmt->sample_rate = cfg->sample_rate;
fmt->channel_layout_tag = cfg->channel_layout_tag;
fmt->pb = cfg->pb;
fmt->mb = cfg->mb;
fmt->kb = cfg->kb;
rc = q6asm_ac_send_cmd_sync(ac, pkt);
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_alac);
int q6asm_stream_media_format_block_ape(struct audio_client *ac,
uint32_t stream_id,
struct q6asm_ape_cfg *cfg)
{
struct asm_ape_fmt_blk_v2 *fmt;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(*fmt);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
fmt = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_DATA_CMD_MEDIA_FMT_UPDATE_V2;
fmt->fmt_blk.fmt_blk_size = sizeof(*fmt) - sizeof(fmt->fmt_blk);
fmt->compatible_version = cfg->compatible_version;
fmt->compression_level = cfg->compression_level;
fmt->format_flags = cfg->format_flags;
fmt->blocks_per_frame = cfg->blocks_per_frame;
fmt->final_frame_blocks = cfg->final_frame_blocks;
fmt->total_frames = cfg->total_frames;
fmt->bits_per_sample = cfg->bits_per_sample;
fmt->num_channels = cfg->num_channels;
fmt->sample_rate = cfg->sample_rate;
fmt->seek_table_present = cfg->seek_table_present;
rc = q6asm_ac_send_cmd_sync(ac, pkt);
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_stream_media_format_block_ape);
static int q6asm_stream_remove_silence(struct audio_client *ac, uint32_t stream_id,
uint32_t cmd,
uint32_t num_samples)
{
uint32_t *samples;
struct apr_pkt *pkt;
void *p;
int rc, pkt_size;
pkt_size = APR_HDR_SIZE + sizeof(uint32_t);
p = kzalloc(pkt_size, GFP_ATOMIC);
if (!p)
return -ENOMEM;
pkt = p;
samples = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = cmd;
*samples = num_samples;
rc = apr_send_pkt(ac->adev, pkt);
if (rc == pkt_size)
rc = 0;
kfree(pkt);
return rc;
}
int q6asm_stream_remove_initial_silence(struct audio_client *ac,
uint32_t stream_id,
uint32_t initial_samples)
{
return q6asm_stream_remove_silence(ac, stream_id,
ASM_DATA_CMD_REMOVE_INITIAL_SILENCE,
initial_samples);
}
EXPORT_SYMBOL_GPL(q6asm_stream_remove_initial_silence);
int q6asm_stream_remove_trailing_silence(struct audio_client *ac, uint32_t stream_id,
uint32_t trailing_samples)
{
return q6asm_stream_remove_silence(ac, stream_id,
ASM_DATA_CMD_REMOVE_TRAILING_SILENCE,
trailing_samples);
}
EXPORT_SYMBOL_GPL(q6asm_stream_remove_trailing_silence);
/**
* q6asm_enc_cfg_blk_pcm_format_support() - setup pcm configuration for capture
*
* @ac: audio client pointer
* @stream_id: stream id
* @rate: audio sample rate
* @channels: number of audio channels.
* @bits_per_sample: bits per sample
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_enc_cfg_blk_pcm_format_support(struct audio_client *ac,
uint32_t stream_id, uint32_t rate,
uint32_t channels,
uint16_t bits_per_sample)
{
struct asm_multi_channel_pcm_enc_cfg_v2 *enc_cfg;
struct apr_pkt *pkt;
u8 *channel_mapping;
u32 frames_per_buf = 0;
int pkt_size, rc;
void *p;
pkt_size = APR_HDR_SIZE + sizeof(*enc_cfg);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
enc_cfg = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_STREAM_CMD_SET_ENCDEC_PARAM;
enc_cfg->encdec.param_id = ASM_PARAM_ID_ENCDEC_ENC_CFG_BLK_V2;
enc_cfg->encdec.param_size = sizeof(*enc_cfg) - sizeof(enc_cfg->encdec);
enc_cfg->encblk.frames_per_buf = frames_per_buf;
enc_cfg->encblk.enc_cfg_blk_size = enc_cfg->encdec.param_size -
sizeof(struct asm_enc_cfg_blk_param_v2);
enc_cfg->num_channels = channels;
enc_cfg->bits_per_sample = bits_per_sample;
enc_cfg->sample_rate = rate;
enc_cfg->is_signed = 1;
channel_mapping = enc_cfg->channel_mapping;
if (q6dsp_map_channels(channel_mapping, channels)) {
rc = -EINVAL;
goto err;
}
rc = q6asm_ac_send_cmd_sync(ac, pkt);
err:
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_enc_cfg_blk_pcm_format_support);
/**
* q6asm_read() - read data of period size from audio client
*
* @ac: audio client pointer
* @stream_id: stream id
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_read(struct audio_client *ac, uint32_t stream_id)
{
struct asm_data_cmd_read_v2 *read;
struct audio_port_data *port;
struct audio_buffer *ab;
struct apr_pkt *pkt;
unsigned long flags;
int pkt_size;
int rc = 0;
void *p;
pkt_size = APR_HDR_SIZE + sizeof(*read);
p = kzalloc(pkt_size, GFP_ATOMIC);
if (!p)
return -ENOMEM;
pkt = p;
read = p + APR_HDR_SIZE;
spin_lock_irqsave(&ac->lock, flags);
port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, stream_id);
ab = &port->buf[port->dsp_buf];
pkt->hdr.opcode = ASM_DATA_CMD_READ_V2;
read->buf_addr_lsw = lower_32_bits(ab->phys);
read->buf_addr_msw = upper_32_bits(ab->phys);
read->mem_map_handle = port->mem_map_handle;
read->buf_size = ab->size;
read->seq_id = port->dsp_buf;
pkt->hdr.token = port->dsp_buf;
port->dsp_buf++;
if (port->dsp_buf >= port->num_periods)
port->dsp_buf = 0;
spin_unlock_irqrestore(&ac->lock, flags);
rc = apr_send_pkt(ac->adev, pkt);
if (rc == pkt_size)
rc = 0;
else
pr_err("read op[0x%x]rc[%d]\n", pkt->hdr.opcode, rc);
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_read);
static int __q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
uint32_t format, uint16_t bits_per_sample)
{
struct asm_stream_cmd_open_read_v3 *open;
struct apr_pkt *pkt;
int pkt_size, rc;
void *p;
pkt_size = APR_HDR_SIZE + sizeof(*open);
p = kzalloc(pkt_size, GFP_KERNEL);
if (!p)
return -ENOMEM;
pkt = p;
open = p + APR_HDR_SIZE;
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, true, stream_id);
pkt->hdr.opcode = ASM_STREAM_CMD_OPEN_READ_V3;
/* Stream prio : High, provide meta info with encoded frames */
open->src_endpointype = ASM_END_POINT_DEVICE_MATRIX;
open->preprocopo_id = ASM_STREAM_POSTPROC_TOPO_ID_NONE;
open->bits_per_sample = bits_per_sample;
open->mode_flags = 0x0;
open->mode_flags |= ASM_LEGACY_STREAM_SESSION <<
ASM_SHIFT_STREAM_PERF_MODE_FLAG_IN_OPEN_READ;
switch (format) {
case FORMAT_LINEAR_PCM:
open->mode_flags |= 0x00;
open->enc_cfg_id = ASM_MEDIA_FMT_MULTI_CHANNEL_PCM_V2;
break;
default:
pr_err("Invalid format[%d]\n", format);
}
rc = q6asm_ac_send_cmd_sync(ac, pkt);
kfree(pkt);
return rc;
}
/**
* q6asm_open_read() - Open audio client for reading
*
* @ac: audio client pointer
* @stream_id: stream id
* @format: audio sample format
* @bits_per_sample: bits per sample
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_open_read(struct audio_client *ac, uint32_t stream_id,
uint32_t format, uint16_t bits_per_sample)
{
return __q6asm_open_read(ac, stream_id, format, bits_per_sample);
}
EXPORT_SYMBOL_GPL(q6asm_open_read);
/**
* q6asm_write_async() - non blocking write
*
* @ac: audio client pointer
* @stream_id: stream id
* @len: length in bytes
* @msw_ts: timestamp msw
* @lsw_ts: timestamp lsw
* @wflags: flags associated with write
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_write_async(struct audio_client *ac, uint32_t stream_id, uint32_t len,
uint32_t msw_ts, uint32_t lsw_ts, uint32_t wflags)
{
struct asm_data_cmd_write_v2 *write;
struct audio_port_data *port;
struct audio_buffer *ab;
unsigned long flags;
struct apr_pkt *pkt;
int pkt_size;
int rc = 0;
void *p;
pkt_size = APR_HDR_SIZE + sizeof(*write);
p = kzalloc(pkt_size, GFP_ATOMIC);
if (!p)
return -ENOMEM;
pkt = p;
write = p + APR_HDR_SIZE;
spin_lock_irqsave(&ac->lock, flags);
port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
q6asm_add_hdr(ac, &pkt->hdr, pkt_size, false, stream_id);
ab = &port->buf[port->dsp_buf];
pkt->hdr.token = port->dsp_buf | (len << ASM_WRITE_TOKEN_LEN_SHIFT);
pkt->hdr.opcode = ASM_DATA_CMD_WRITE_V2;
write->buf_addr_lsw = lower_32_bits(ab->phys);
write->buf_addr_msw = upper_32_bits(ab->phys);
write->buf_size = len;
write->seq_id = port->dsp_buf;
write->timestamp_lsw = lsw_ts;
write->timestamp_msw = msw_ts;
write->mem_map_handle =
ac->port[SNDRV_PCM_STREAM_PLAYBACK].mem_map_handle;
write->flags = wflags;
port->dsp_buf++;
if (port->dsp_buf >= port->num_periods)
port->dsp_buf = 0;
spin_unlock_irqrestore(&ac->lock, flags);
rc = apr_send_pkt(ac->adev, pkt);
if (rc == pkt_size)
rc = 0;
kfree(pkt);
return rc;
}
EXPORT_SYMBOL_GPL(q6asm_write_async);
static void q6asm_reset_buf_state(struct audio_client *ac)
{
struct audio_port_data *port;
unsigned long flags;
spin_lock_irqsave(&ac->lock, flags);
port = &ac->port[SNDRV_PCM_STREAM_PLAYBACK];
port->dsp_buf = 0;
port = &ac->port[SNDRV_PCM_STREAM_CAPTURE];
port->dsp_buf = 0;
spin_unlock_irqrestore(&ac->lock, flags);
}
static int __q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd,
bool wait)
{
struct apr_pkt pkt;
int rc;
q6asm_add_hdr(ac, &pkt.hdr, APR_HDR_SIZE, true, stream_id);
switch (cmd) {
case CMD_PAUSE:
pkt.hdr.opcode = ASM_SESSION_CMD_PAUSE;
break;
case CMD_SUSPEND:
pkt.hdr.opcode = ASM_SESSION_CMD_SUSPEND;
break;
case CMD_FLUSH:
pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH;
break;
case CMD_OUT_FLUSH:
pkt.hdr.opcode = ASM_STREAM_CMD_FLUSH_READBUFS;
break;
case CMD_EOS:
pkt.hdr.opcode = ASM_DATA_CMD_EOS;
break;
case CMD_CLOSE:
pkt.hdr.opcode = ASM_STREAM_CMD_CLOSE;
break;
default:
return -EINVAL;
}
if (wait)
rc = q6asm_ac_send_cmd_sync(ac, &pkt);
else
return apr_send_pkt(ac->adev, &pkt);
if (rc < 0)
return rc;
if (cmd == CMD_FLUSH)
q6asm_reset_buf_state(ac);
return 0;
}
/**
* q6asm_cmd() - run cmd on audio client
*
* @ac: audio client pointer
* @stream_id: stream id
* @cmd: command to run on audio client.
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_cmd(struct audio_client *ac, uint32_t stream_id, int cmd)
{
return __q6asm_cmd(ac, stream_id, cmd, true);
}
EXPORT_SYMBOL_GPL(q6asm_cmd);
/**
* q6asm_cmd_nowait() - non blocking, run cmd on audio client
*
* @ac: audio client pointer
* @stream_id: stream id
* @cmd: command to run on audio client.
*
* Return: Will be an negative value on error or zero on success
*/
int q6asm_cmd_nowait(struct audio_client *ac, uint32_t stream_id, int cmd)
{
return __q6asm_cmd(ac, stream_id, cmd, false);
}
EXPORT_SYMBOL_GPL(q6asm_cmd_nowait);
static int q6asm_probe(struct apr_device *adev)
{
struct device *dev = &adev->dev;
struct q6asm *q6asm;
q6asm = devm_kzalloc(dev, sizeof(*q6asm), GFP_KERNEL);
if (!q6asm)
return -ENOMEM;
q6core_get_svc_api_info(adev->svc_id, &q6asm->ainfo);
q6asm->dev = dev;
q6asm->adev = adev;
init_waitqueue_head(&q6asm->mem_wait);
spin_lock_init(&q6asm->slock);
dev_set_drvdata(dev, q6asm);
return devm_of_platform_populate(dev);
}
#ifdef CONFIG_OF
static const struct of_device_id q6asm_device_id[] = {
{ .compatible = "qcom,q6asm" },
{},
};
MODULE_DEVICE_TABLE(of, q6asm_device_id);
#endif
static struct apr_driver qcom_q6asm_driver = {
.probe = q6asm_probe,
.callback = q6asm_srvc_callback,
.driver = {
.name = "qcom-q6asm",
.of_match_table = of_match_ptr(q6asm_device_id),
},
};
module_apr_driver(qcom_q6asm_driver);
MODULE_DESCRIPTION("Q6 Audio Stream Manager driver");
MODULE_LICENSE("GPL v2");
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