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/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <crypt.h>
#include <debug.h>
#include <mmio.h>
#include <mtk_sip_svc.h>
#include <mtcmos.h>
#include <plat_sip_calls.h>
#include <runtime_svc.h>
/* Authorized secure register list */
enum {
SREG_HDMI_COLOR_EN = 0x14000904
};
static const uint32_t authorized_sreg[] = {
SREG_HDMI_COLOR_EN
};
#define authorized_sreg_cnt \
(sizeof(authorized_sreg) / sizeof(authorized_sreg[0]))
uint64_t mt_sip_set_authorized_sreg(uint32_t sreg, uint32_t val)
{
uint64_t i;
for (i = 0; i < authorized_sreg_cnt; i++) {
if (authorized_sreg[i] == sreg) {
mmio_write_32(sreg, val);
return MTK_SIP_E_SUCCESS;
}
}
return MTK_SIP_E_INVALID_PARAM;
}
static uint64_t mt_sip_pwr_on_mtcmos(uint32_t val)
{
uint32_t ret;
ret = mtcmos_non_cpu_ctrl(1, val);
if (ret)
return MTK_SIP_E_INVALID_PARAM;
else
return MTK_SIP_E_SUCCESS;
}
static uint64_t mt_sip_pwr_off_mtcmos(uint32_t val)
{
uint32_t ret;
ret = mtcmos_non_cpu_ctrl(0, val);
if (ret)
return MTK_SIP_E_INVALID_PARAM;
else
return MTK_SIP_E_SUCCESS;
}
static uint64_t mt_sip_pwr_mtcmos_support(void)
{
return MTK_SIP_E_SUCCESS;
}
uint64_t mediatek_plat_sip_handler(uint32_t smc_fid,
uint64_t x1,
uint64_t x2,
uint64_t x3,
uint64_t x4,
void *cookie,
void *handle,
uint64_t flags)
{
uint64_t ret;
switch (smc_fid) {
case MTK_SIP_PWR_ON_MTCMOS:
ret = mt_sip_pwr_on_mtcmos((uint32_t)x1);
SMC_RET1(handle, ret);
case MTK_SIP_PWR_OFF_MTCMOS:
ret = mt_sip_pwr_off_mtcmos((uint32_t)x1);
SMC_RET1(handle, ret);
case MTK_SIP_PWR_MTCMOS_SUPPORT:
ret = mt_sip_pwr_mtcmos_support();
SMC_RET1(handle, ret);
case MTK_SIP_SET_HDCP_KEY_EX:
ret = crypt_set_hdcp_key_ex(x1, x2, x3);
SMC_RET1(handle, ret);
case MTK_SIP_SET_HDCP_KEY_NUM:
ret = crypt_set_hdcp_key_num((uint32_t)x1);
SMC_RET1(handle, ret);
case MTK_SIP_CLR_HDCP_KEY:
ret = crypt_clear_hdcp_key();
SMC_RET1(handle, ret);
default:
ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
break;
}
SMC_RET1(handle, SMC_UNK);
}