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ASoC: SOF: add fw_info_box support 

FW can share some information with host driver, .e.g fw status, pipeline
status and volume status. On ipc4 platform it is located in memory
windows 0 with size of struct sof_ipc4_fw_reg.

With this patch, ipc4 driver can find fw information in fw_info_box

Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230202132954.26773-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rander Wang 2023-02-02 15:29:47 +02:00 committed by Mark Brown
parent 2740dcce91
commit 4700bfb2bb
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 5 additions and 0 deletions
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1
sound/soc/sof/ipc4-priv.h
View File

@ -14,6 +14,7 @@
#include "sof-priv.h"
/* The DSP window indices are fixed */
#define SOF_IPC4_INBOX_WINDOW_IDX 0
#define SOF_IPC4_OUTBOX_WINDOW_IDX 1
#define SOF_IPC4_DEBUG_WINDOW_IDX 2

3
sound/soc/sof/ipc4.c
View File

@ -13,6 +13,7 @@
#include <sound/sof/ipc4/header.h>
#include "sof-priv.h"
#include "sof-audio.h"
#include "ipc4-fw-reg.h"
#include "ipc4-priv.h"
#include "ops.h"
@ -542,6 +543,8 @@ static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg
outbox_offset = snd_sof_dsp_get_window_offset(sdev, SOF_IPC4_OUTBOX_WINDOW_IDX);
outbox_size = SOF_IPC4_MSG_MAX_SIZE;
sdev->fw_info_box.offset = snd_sof_dsp_get_window_offset(sdev, SOF_IPC4_INBOX_WINDOW_IDX);
sdev->fw_info_box.size = sizeof(struct sof_ipc4_fw_registers);
sdev->dsp_box.offset = inbox_offset;
sdev->dsp_box.size = inbox_size;
sdev->host_box.offset = outbox_offset;

1
sound/soc/sof/sof-priv.h
View File

@ -548,6 +548,7 @@ struct snd_sof_dev {
/* IPC */
struct snd_sof_ipc *ipc;
struct snd_sof_mailbox fw_info_box; /* FW shared memory */
struct snd_sof_mailbox dsp_box; /* DSP initiated IPC */
struct snd_sof_mailbox host_box; /* Host initiated IPC */
struct snd_sof_mailbox stream_box; /* Stream position update */