Unverified Commit 4700bfb2 authored by Rander Wang's avatar Rander Wang Committed by Mark Brown
Browse files

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: default avatarRander Wang <rander.wang@intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230202132954.26773-3-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2740dcce

sound/soc/sof/ipc4-priv.h

+1 −0
Original line number Diff line number Diff line
@@ -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

sound/soc/sof/ipc4.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

sound/soc/sof/sof-priv.h

+1 −0
Original line number Diff line number Diff line
@@ -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 */