From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- plat/mediatek/drivers/audio/audio.c | 43 +++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 plat/mediatek/drivers/audio/audio.c (limited to 'plat/mediatek/drivers/audio/audio.c') diff --git a/plat/mediatek/drivers/audio/audio.c b/plat/mediatek/drivers/audio/audio.c new file mode 100644 index 0000000..285c565 --- /dev/null +++ b/plat/mediatek/drivers/audio/audio.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2022, MediaTek Inc. All rights reserved. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include + +#include + +#include + +#include + +#define MODULE_TAG "[AUDIO]" + +static u_register_t audio_smc_handler(u_register_t x1, u_register_t x2, + u_register_t x3, u_register_t x4, + void *handle, struct smccc_res *smccc_ret) +{ + uint32_t request_ops; + int ret; + + request_ops = (uint32_t)x1; + + switch (request_ops) { + case MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS: + ret = set_audio_domain_sidebands(); + break; + default: + ERROR("%s: %s: Unsupported request_ops %x\n", + MODULE_TAG, __func__, request_ops); + ret = -EIO; + break; + } + + VERBOSE("%s: %s, request_ops = %x, ret = %d\n", + MODULE_TAG, __func__, request_ops, ret); + return ret; +} +/* Register SiP SMC service */ +DECLARE_SMC_HANDLER(MTK_SIP_AUDIO_CONTROL, audio_smc_handler); -- cgit v1.2.3