1 /* 2 * Copyright (c) 2022, MediaTek Inc. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <errno.h> 8 #include <stdbool.h> 9 10 #include <common/debug.h> 11 12 #include <audio.h> 13 14 #include <mtk_sip_svc.h> 15 16 #define MODULE_TAG "[AUDIO]" 17 18 static u_register_t audio_smc_handler(u_register_t x1, u_register_t x2, 19 u_register_t x3, u_register_t x4, 20 void *handle, struct smccc_res *smccc_ret) 21 { 22 uint32_t request_ops; 23 int ret; 24 25 request_ops = (uint32_t)x1; 26 27 switch (request_ops) { 28 case MTK_AUDIO_SMC_OP_DOMAIN_SIDEBANDS: 29 ret = set_audio_domain_sidebands(); 30 break; 31 default: 32 ERROR("%s: %s: Unsupported request_ops %x\n", 33 MODULE_TAG, __func__, request_ops); 34 ret = -EIO; 35 break; 36 } 37 38 VERBOSE("%s: %s, request_ops = %x, ret = %d\n", 39 MODULE_TAG, __func__, request_ops, ret); 40 return ret; 41 } 42 /* Register SiP SMC service */ 43 DECLARE_SMC_HANDLER(MTK_SIP_AUDIO_CONTROL, audio_smc_handler); 44