summaryrefslogtreecommitdiffstats
path: root/sound/soc/qcom/qdsp6/q6asm.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/qcom/qdsp6/q6asm.c')
-rw-r--r--sound/soc/qcom/qdsp6/q6asm.c1752
1 files changed, 1752 insertions, 0 deletions
diff --git a/sound/soc/qcom/qdsp6/q6asm.c b/sound/soc/qcom/qdsp6/q6asm.c
new file mode 100644
index 0000000000..195780f75d
--- /dev/null
+++ b/sound/soc/qcom/qdsp6/q6asm.c
@@ -0,0 +1,1752 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2011-2017, The Linux Foundation. All rights reserved.
+// Copyright (c) 2018, Linaro Limited
+
+#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");