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Diffstat (limited to 'sound/soc/intel/atom/sst/sst_stream.c')
-rw-r--r--sound/soc/intel/atom/sst/sst_stream.c68
1 files changed, 33 insertions, 35 deletions
diff --git a/sound/soc/intel/atom/sst/sst_stream.c b/sound/soc/intel/atom/sst/sst_stream.c
index 107271f7dd63..288221db7323 100644
--- a/sound/soc/intel/atom/sst/sst_stream.c
+++ b/sound/soc/intel/atom/sst/sst_stream.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sst_stream.c - Intel SST Driver for audio engine
*
@@ -8,22 +9,12 @@
* KP Jeeja <jeeja.kp@intel.com>
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#include <linux/pci.h>
#include <linux/firmware.h>
#include <linux/sched.h>
#include <linux/delay.h>
-#include <linux/pm_runtime.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
@@ -31,7 +22,6 @@
#include <asm/platform_sst_audio.h>
#include "../sst-mfld-platform.h"
#include "sst.h"
-#include "../../common/sst-dsp.h"
int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params)
{
@@ -100,8 +90,8 @@ int sst_alloc_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, void *params)
/**
* sst_realloc_stream - Send msg for (re-)allocating a stream using the
- * @sst_drv_ctx intel_sst_drv context pointer
- * @str_id: stream ID
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
*
* Send a msg for (re-)allocating a stream using the parameters previously
* passed to sst_alloc_stream_mrfld() for the same stream ID.
@@ -150,12 +140,13 @@ out:
}
/**
-* sst_start_stream - Send msg for a starting stream
-* @str_id: stream ID
-*
-* This function is called by any function which wants to start
-* a stream.
-*/
+ * sst_start_stream - Send msg for a starting stream
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
+ *
+ * This function is called by any function which wants to start
+ * a stream.
+ */
int sst_start_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
{
int retval = 0;
@@ -182,10 +173,11 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
u32 length;
int pvt_id, ret = 0;
struct sst_block *block = NULL;
+ u8 bytes_block = bytes->block;
dev_dbg(sst_drv_ctx->dev,
"type:%u ipc_msg:%u block:%u task_id:%u pipe: %#x length:%#x\n",
- bytes->type, bytes->ipc_msg, bytes->block, bytes->task_id,
+ bytes->type, bytes->ipc_msg, bytes_block, bytes->task_id,
bytes->pipe_id, bytes->len);
if (sst_create_ipc_msg(&msg, true))
@@ -194,12 +186,12 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
pvt_id = sst_assign_pvt_id(sst_drv_ctx);
sst_fill_header_mrfld(&msg->mrfld_header, bytes->ipc_msg,
bytes->task_id, 1, pvt_id);
- msg->mrfld_header.p.header_high.part.res_rqd = bytes->block;
+ msg->mrfld_header.p.header_high.part.res_rqd = bytes_block;
length = bytes->len;
msg->mrfld_header.p.header_low_payload = length;
dev_dbg(sst_drv_ctx->dev, "length is %d\n", length);
memcpy(msg->mailbox_data, &bytes->bytes, bytes->len);
- if (bytes->block) {
+ if (bytes_block) {
block = sst_create_block(sst_drv_ctx, bytes->ipc_msg, pvt_id);
if (block == NULL) {
kfree(msg);
@@ -212,7 +204,7 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
dev_dbg(sst_drv_ctx->dev, "msg->mrfld_header.p.header_low_payload:%d",
msg->mrfld_header.p.header_low_payload);
- if (bytes->block) {
+ if (bytes_block) {
ret = sst_wait_timeout(sst_drv_ctx, block);
if (ret) {
dev_err(sst_drv_ctx->dev, "fw returned err %d\n", ret);
@@ -225,7 +217,7 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
* copy the reply and send back
* we need to update only sz and payload
*/
- if (bytes->block) {
+ if (bytes_block) {
unsigned char *r = block->data;
dev_dbg(sst_drv_ctx->dev, "read back %d bytes",
@@ -233,7 +225,7 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx,
memcpy(bytes->bytes, r, bytes->len);
}
}
- if (bytes->block)
+ if (bytes_block)
sst_free_block(sst_drv_ctx, block);
out:
test_and_clear_bit(pvt_id, &sst_drv_ctx->pvt_id);
@@ -242,7 +234,8 @@ out:
/**
* sst_pause_stream - Send msg for a pausing stream
- * @str_id: stream ID
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
*
* This function is called by any function which wants to pause
* an already running stream.
@@ -286,7 +279,8 @@ int sst_pause_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
/**
* sst_resume_stream - Send msg for resuming stream
- * @str_id: stream ID
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
*
* This function is called by any function which wants to resume
* an already paused stream.
@@ -353,7 +347,8 @@ int sst_resume_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
/**
* sst_drop_stream - Send msg for stopping stream
- * @str_id: stream ID
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
*
* This function is called by any function which wants to stop
* a stream.
@@ -385,12 +380,14 @@ int sst_drop_stream(struct intel_sst_drv *sst_drv_ctx, int str_id)
}
/**
-* sst_drain_stream - Send msg for draining stream
-* @str_id: stream ID
-*
-* This function is called by any function which wants to drain
-* a stream.
-*/
+ * sst_drain_stream - Send msg for draining stream
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
+ * @partial_drain: boolean indicating if a gapless transition is taking place
+ *
+ * This function is called by any function which wants to drain
+ * a stream.
+ */
int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx,
int str_id, bool partial_drain)
{
@@ -423,7 +420,8 @@ int sst_drain_stream(struct intel_sst_drv *sst_drv_ctx,
/**
* sst_free_stream - Frees a stream
- * @str_id: stream ID
+ * @sst_drv_ctx: intel_sst_drv context pointer
+ * @str_id: stream ID
*
* This function is called by any function which wants to free
* a stream.