From 657774acd00f3d63ebae06e5d15a74e013cee0ed Mon Sep 17 00:00:00 2001 From: Ranjani Sridharan Date: Thu, 17 Mar 2022 10:50:28 -0700 Subject: ASoC: SOF: Make sof_suspend/resume IPC agnostic MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a new set of IPC ops for PM with the ctx_save and ctx_restore ops for suspend/resume and implement the ops for IPC3. Signed-off-by: Ranjani Sridharan Reviewed-by: Péter Ujfalusi Reviewed-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20220317175044.1752400-4-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/sof/ipc3.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 sound/soc/sof/ipc3.c (limited to 'sound/soc/sof/ipc3.c') diff --git a/sound/soc/sof/ipc3.c b/sound/soc/sof/ipc3.c new file mode 100644 index 000000000000..e71cf30908c6 --- /dev/null +++ b/sound/soc/sof/ipc3.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +// +// This file is provided under a dual BSD/GPLv2 license. When using or +// redistributing this file, you may do so under either license. +// +// Copyright(c) 2021 Intel Corporation. All rights reserved. +// +// + +#include "sof-priv.h" +#include "ipc3-ops.h" + +static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd) +{ + struct sof_ipc_pm_ctx pm_ctx = { + .hdr.size = sizeof(pm_ctx), + .hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd, + }; + struct sof_ipc_reply reply; + + /* send ctx save ipc to dsp */ + return sof_ipc_tx_message(sdev->ipc, pm_ctx.hdr.cmd, &pm_ctx, + sizeof(pm_ctx), &reply, sizeof(reply)); +} + +static int sof_ipc3_ctx_save(struct snd_sof_dev *sdev) +{ + return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_SAVE); +} + +static int sof_ipc3_ctx_restore(struct snd_sof_dev *sdev) +{ + return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_RESTORE); +} + +static const struct sof_ipc_pm_ops ipc3_pm_ops = { + .ctx_save = sof_ipc3_ctx_save, + .ctx_restore = sof_ipc3_ctx_restore, +}; + +const struct sof_ipc_ops ipc3_ops = { + .tplg = &ipc3_tplg_ops, + .pm = &ipc3_pm_ops, +}; -- cgit v1.2.3-59-g8ed1b