ASoC: msm: Add support to have FM playback through ASM loopback mode
- Add support to provide PP on FM playback.
- Add PCM platform driver which enables ASM loopback mode
Define MultiMedia6 front-end dai
Change-Id: Ibf9d2645e706f9a3027dd356223a2135224a0337
Signed-off-by: Damir Didjusto <damird@codeaurora.org>
diff --git a/sound/soc/msm/qdsp6/q6asm.c b/sound/soc/msm/qdsp6/q6asm.c
index 01f4852..2280fd1 100644
--- a/sound/soc/msm/qdsp6/q6asm.c
+++ b/sound/soc/msm/qdsp6/q6asm.c
@@ -889,6 +889,7 @@
case ASM_STREAM_CMD_OPEN_WRITE:
case ASM_STREAM_CMD_OPEN_WRITE_V2_1:
case ASM_STREAM_CMD_OPEN_READWRITE:
+ case ASM_STREAM_CMD_OPEN_LOOPBACK:
case ASM_DATA_CMD_MEDIA_FORMAT_UPDATE:
case ASM_STREAM_CMD_SET_ENCDEC_PARAM:
case ASM_STREAM_CMD_OPEN_WRITE_COMPRESSED:
@@ -1695,6 +1696,45 @@
return -EINVAL;
}
+int q6asm_open_loopack(struct audio_client *ac)
+{
+ int rc = 0x00;
+ struct asm_stream_cmd_open_loopback open;
+
+ if ((ac == NULL) || (ac->apr == NULL)) {
+ pr_err("APR handle NULL\n");
+ return -EINVAL;
+ }
+ pr_debug("%s: session[%d]", __func__, ac->session);
+
+ q6asm_add_hdr(ac, &open.hdr, sizeof(open), TRUE);
+ open.hdr.opcode = ASM_STREAM_CMD_OPEN_LOOPBACK;
+
+ open.mode_flags = 0;
+ open.src_endpointype = 0;
+ open.sink_endpointype = 0;
+ /* source endpoint : matrix */
+ open.postprocopo_id = get_asm_topology();
+ if (open.postprocopo_id == 0)
+ open.postprocopo_id = DEFAULT_POPP_TOPOLOGY;
+
+ rc = apr_send_pkt(ac->apr, (uint32_t *) &open);
+ if (rc < 0) {
+ pr_err("open failed op[0x%x]rc[%d]\n", \
+ open.hdr.opcode, rc);
+ goto fail_cmd;
+ }
+ rc = wait_event_timeout(ac->cmd_wait,
+ (atomic_read(&ac->cmd_state) == 0), 5*HZ);
+ if (!rc) {
+ pr_err("timeout. waited for OPEN_WRITE rc[%d]\n", rc);
+ goto fail_cmd;
+ }
+ return 0;
+fail_cmd:
+ return -EINVAL;
+}
+
int q6asm_run(struct audio_client *ac, uint32_t flags,
uint32_t msw_ts, uint32_t lsw_ts)
{