xref: /rk3399_ARM-atf/plat/mediatek/drivers/apusys/apusys.c (revision 777e3b71bb0a37f98b4105af657d97c2afc2d0bc)
152430916SChungying Lu /*
252430916SChungying Lu  * Copyright (c) 2023, MediaTek Inc. All rights reserved.
352430916SChungying Lu  *
452430916SChungying Lu  * SPDX-License-Identifier: BSD-3-Clause
552430916SChungying Lu  */
652430916SChungying Lu 
752430916SChungying Lu /* TF-A system header */
852430916SChungying Lu #include <common/debug.h>
952430916SChungying Lu 
1052430916SChungying Lu /* Vendor header */
1152430916SChungying Lu #include "apusys.h"
12*777e3b71SKarl Li #include "apusys_devapc.h"
1352430916SChungying Lu #include "apusys_power.h"
1452430916SChungying Lu #include <lib/mtk_init/mtk_init.h>
158e38b928SChungying Lu #include <mtk_sip_svc.h>
168e38b928SChungying Lu 
178e38b928SChungying Lu static u_register_t apusys_kernel_handler(u_register_t x1,
188e38b928SChungying Lu 					  u_register_t x2,
198e38b928SChungying Lu 					  u_register_t x3,
208e38b928SChungying Lu 					  u_register_t x4,
218e38b928SChungying Lu 					  void *handle,
228e38b928SChungying Lu 					  struct smccc_res *smccc_ret)
238e38b928SChungying Lu {
248e38b928SChungying Lu 	uint32_t request_ops;
258e38b928SChungying Lu 	int32_t ret = -1;
268e38b928SChungying Lu 
278e38b928SChungying Lu 	request_ops = (uint32_t)x1;
288e38b928SChungying Lu 
298e38b928SChungying Lu 	switch (request_ops) {
308e38b928SChungying Lu 	case MTK_APUSYS_KERNEL_OP_APUSYS_PWR_TOP_ON:
318e38b928SChungying Lu 		ret = apusys_kernel_apusys_pwr_top_on();
328e38b928SChungying Lu 		break;
338e38b928SChungying Lu 	case MTK_APUSYS_KERNEL_OP_APUSYS_PWR_TOP_OFF:
348e38b928SChungying Lu 		ret = apusys_kernel_apusys_pwr_top_off();
358e38b928SChungying Lu 		break;
368e38b928SChungying Lu 	default:
378e38b928SChungying Lu 		ERROR(MODULE_TAG "%s unknown request_ops = %x\n", MODULE_TAG, request_ops);
388e38b928SChungying Lu 		break;
398e38b928SChungying Lu 	}
408e38b928SChungying Lu 
418e38b928SChungying Lu 	return ret;
428e38b928SChungying Lu }
438e38b928SChungying Lu DECLARE_SMC_HANDLER(MTK_SIP_APUSYS_CONTROL, apusys_kernel_handler);
4452430916SChungying Lu 
4552430916SChungying Lu int apusys_init(void)
4652430916SChungying Lu {
47*777e3b71SKarl Li 	if (apusys_power_init() != 0) {
48*777e3b71SKarl Li 		return -1;
49*777e3b71SKarl Li 	}
50*777e3b71SKarl Li 
51*777e3b71SKarl Li 	if (apusys_devapc_ao_init() != 0) {
52*777e3b71SKarl Li 		return -1;
53*777e3b71SKarl Li 	}
54*777e3b71SKarl Li 
5552430916SChungying Lu 	return 0;
5652430916SChungying Lu }
5752430916SChungying Lu MTK_PLAT_SETUP_1_INIT(apusys_init);
58