Rex-BC Chen | b48c6c4 | 2021-04-12 11:10:31 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020, MediaTek Inc. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | #include <common/debug.h> |
| 7 | #include <lib/mmio.h> |
| 8 | #include <mt_dp.h> |
| 9 | #include <mtk_sip_svc.h> |
| 10 | #include <platform_def.h> |
| 11 | |
| 12 | static uint32_t dp_write_sec_reg(uint32_t is_edp, uint32_t offset, |
| 13 | uint32_t value, uint32_t mask) |
| 14 | { |
| 15 | uint32_t reg = (is_edp != 0U) ? eDP_SEC_BASE : DP_SEC_BASE; |
| 16 | |
| 17 | mmio_clrsetbits_32(reg + offset, mask, value); |
| 18 | |
| 19 | return mmio_read_32(reg + offset); |
| 20 | } |
| 21 | |
| 22 | int32_t dp_secure_handler(uint64_t cmd, uint64_t para, uint32_t *val) |
| 23 | { |
| 24 | int32_t ret = 0L; |
| 25 | uint32_t is_edp = 0UL; |
| 26 | uint32_t regval = 0UL; |
| 27 | uint32_t regmsk = 0UL; |
| 28 | uint32_t fldmask = 0UL; |
| 29 | |
| 30 | if ((cmd > DP_ATF_CMD_COUNT) || (val == NULL)) { |
| 31 | INFO("dp_secure_handler error cmd 0x%llx\n", cmd); |
| 32 | return MTK_SIP_E_INVALID_PARAM; |
| 33 | } |
| 34 | |
| 35 | switch (cmd) { |
| 36 | case DP_ATF_DP_VIDEO_UNMUTE: |
| 37 | INFO("[%s] DP_ATF_DP_VIDEO_UNMUTE\n", __func__); |
| 38 | is_edp = DP_ATF_TYPE_DP; |
| 39 | ret = MTK_SIP_E_SUCCESS; |
| 40 | break; |
| 41 | case DP_ATF_EDP_VIDEO_UNMUTE: |
| 42 | INFO("[%s] DP_ATF_EDP_VIDEO_UNMUTE\n", __func__); |
| 43 | is_edp = DP_ATF_TYPE_EDP; |
| 44 | ret = MTK_SIP_E_SUCCESS; |
| 45 | break; |
| 46 | default: |
| 47 | ret = MTK_SIP_E_INVALID_PARAM; |
| 48 | break; |
| 49 | } |
| 50 | |
| 51 | if (ret == MTK_SIP_E_SUCCESS) { |
| 52 | regmsk = (VIDEO_MUTE_SEL_SECURE_FLDMASK | |
| 53 | VIDEO_MUTE_SW_SECURE_FLDMASK); |
| 54 | if (para > 0U) { |
| 55 | fldmask = VIDEO_MUTE_SW_SECURE_FLDMASK; |
| 56 | } else { |
| 57 | fldmask = 0; |
| 58 | } |
| 59 | |
| 60 | regval = (VIDEO_MUTE_SEL_SECURE_FLDMASK | fldmask); |
| 61 | *val = dp_write_sec_reg(is_edp, DP_TX_SECURE_REG11, |
| 62 | regval, regmsk); |
| 63 | } |
| 64 | |
| 65 | return ret; |
| 66 | } |