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authorRex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>2021-04-12 11:10:31 +0800
committerRex-BC Chen <rex-bc.chen@mediatek.com>2021-05-26 02:13:56 +0100
commit7eb42237575eb3f241c9b22efc5fe91368470aa6 (patch)
tree9a38204dabdb7ea2b04f4b7756adecceb621637b
parent0fd12b9e11e564a03ab3ab91d0b0a4aa62c279ec (diff)
downloadtrusted-firmware-a-7eb42237575eb3f241c9b22efc5fe91368470aa6.tar.gz
feat(plat/mdeiatek/mt8195): add display port control in SiP service
MTK display port mute/unmute control registers need to be set in secure world. Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: Iec73650e937bd20e25c18fa28d55ae29e68b10d3
-rw-r--r--plat/mediatek/mt8195/aarch64/platform_common.c4
-rw-r--r--plat/mediatek/mt8195/drivers/dp/mt_dp.c66
-rw-r--r--plat/mediatek/mt8195/drivers/dp/mt_dp.h28
-rw-r--r--plat/mediatek/mt8195/include/plat_sip_calls.h6
-rw-r--r--plat/mediatek/mt8195/include/platform_def.h8
-rw-r--r--plat/mediatek/mt8195/plat_sip_calls.c11
-rw-r--r--plat/mediatek/mt8195/platform.mk2
7 files changed, 124 insertions, 1 deletions
diff --git a/plat/mediatek/mt8195/aarch64/platform_common.c b/plat/mediatek/mt8195/aarch64/platform_common.c
index 745e54750d..a9314ea8d3 100644
--- a/plat/mediatek/mt8195/aarch64/platform_common.c
+++ b/plat/mediatek/mt8195/aarch64/platform_common.c
@@ -17,6 +17,10 @@ const mmap_region_t plat_mmap[] = {
MT_DEVICE | MT_RW | MT_SECURE),
MAP_REGION_FLAT(MTK_DEV_RNG2_BASE, MTK_DEV_RNG2_SIZE,
MT_DEVICE | MT_RW | MT_SECURE),
+ MAP_REGION_FLAT(DP_SEC_BASE, DP_SEC_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
+ MAP_REGION_FLAT(eDP_SEC_BASE, eDP_SEC_SIZE,
+ MT_DEVICE | MT_RW | MT_SECURE),
{ 0 }
};
diff --git a/plat/mediatek/mt8195/drivers/dp/mt_dp.c b/plat/mediatek/mt8195/drivers/dp/mt_dp.c
new file mode 100644
index 0000000000..7ab219468c
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/dp/mt_dp.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <mt_dp.h>
+#include <mtk_sip_svc.h>
+#include <platform_def.h>
+
+static uint32_t dp_write_sec_reg(uint32_t is_edp, uint32_t offset,
+ uint32_t value, uint32_t mask)
+{
+ uint32_t reg = (is_edp != 0U) ? eDP_SEC_BASE : DP_SEC_BASE;
+
+ mmio_clrsetbits_32(reg + offset, mask, value);
+
+ return mmio_read_32(reg + offset);
+}
+
+int32_t dp_secure_handler(uint64_t cmd, uint64_t para, uint32_t *val)
+{
+ int32_t ret = 0L;
+ uint32_t is_edp = 0UL;
+ uint32_t regval = 0UL;
+ uint32_t regmsk = 0UL;
+ uint32_t fldmask = 0UL;
+
+ if ((cmd > DP_ATF_CMD_COUNT) || (val == NULL)) {
+ INFO("dp_secure_handler error cmd 0x%llx\n", cmd);
+ return MTK_SIP_E_INVALID_PARAM;
+ }
+
+ switch (cmd) {
+ case DP_ATF_DP_VIDEO_UNMUTE:
+ INFO("[%s] DP_ATF_DP_VIDEO_UNMUTE\n", __func__);
+ is_edp = DP_ATF_TYPE_DP;
+ ret = MTK_SIP_E_SUCCESS;
+ break;
+ case DP_ATF_EDP_VIDEO_UNMUTE:
+ INFO("[%s] DP_ATF_EDP_VIDEO_UNMUTE\n", __func__);
+ is_edp = DP_ATF_TYPE_EDP;
+ ret = MTK_SIP_E_SUCCESS;
+ break;
+ default:
+ ret = MTK_SIP_E_INVALID_PARAM;
+ break;
+ }
+
+ if (ret == MTK_SIP_E_SUCCESS) {
+ regmsk = (VIDEO_MUTE_SEL_SECURE_FLDMASK |
+ VIDEO_MUTE_SW_SECURE_FLDMASK);
+ if (para > 0U) {
+ fldmask = VIDEO_MUTE_SW_SECURE_FLDMASK;
+ } else {
+ fldmask = 0;
+ }
+
+ regval = (VIDEO_MUTE_SEL_SECURE_FLDMASK | fldmask);
+ *val = dp_write_sec_reg(is_edp, DP_TX_SECURE_REG11,
+ regval, regmsk);
+ }
+
+ return ret;
+}
diff --git a/plat/mediatek/mt8195/drivers/dp/mt_dp.h b/plat/mediatek/mt8195/drivers/dp/mt_dp.h
new file mode 100644
index 0000000000..8157598a81
--- /dev/null
+++ b/plat/mediatek/mt8195/drivers/dp/mt_dp.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2020, MediaTek Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MT_DP_H
+#define MT_DP_H
+
+#define DP_TX_SECURE_REG11 (0x2c)
+
+#define VIDEO_MUTE_SEL_SECURE_FLDMASK (0x10)
+#define VIDEO_MUTE_SW_SECURE_FLDMASK (0x8)
+
+enum DP_ATF_HW_TYPE {
+ DP_ATF_TYPE_DP = 0,
+ DP_ATF_TYPE_EDP = 1
+};
+
+enum DP_ATF_CMD {
+ DP_ATF_DP_VIDEO_UNMUTE = 0x20,
+ DP_ATF_EDP_VIDEO_UNMUTE,
+ DP_ATF_CMD_COUNT
+};
+
+int32_t dp_secure_handler(uint64_t cmd, uint64_t para, uint32_t *val);
+
+#endif
diff --git a/plat/mediatek/mt8195/include/plat_sip_calls.h b/plat/mediatek/mt8195/include/plat_sip_calls.h
index 0e423225ce..181aec0f81 100644
--- a/plat/mediatek/mt8195/include/plat_sip_calls.h
+++ b/plat/mediatek/mt8195/include/plat_sip_calls.h
@@ -10,6 +10,10 @@
/*******************************************************************************
* Plat SiP function constants
******************************************************************************/
-#define MTK_PLAT_SIP_NUM_CALLS 0
+#define MTK_PLAT_SIP_NUM_CALLS 2
+
+/* DP/eDP */
+#define MTK_SIP_DP_CONTROL_AARCH32 0x82000523
+#define MTK_SIP_DP_CONTROL_AARCH64 0xC2000523
#endif /* PLAT_SIP_CALLS_H */
diff --git a/plat/mediatek/mt8195/include/platform_def.h b/plat/mediatek/mt8195/include/platform_def.h
index f6eb742f34..eaf598566a 100644
--- a/plat/mediatek/mt8195/include/platform_def.h
+++ b/plat/mediatek/mt8195/include/platform_def.h
@@ -26,6 +26,14 @@
#define SPM_BASE (IO_PHYS + 0x00006000)
/*******************************************************************************
+ * DP/eDP related constants
+ ******************************************************************************/
+#define eDP_SEC_BASE (IO_PHYS + 0x0C504000)
+#define DP_SEC_BASE (IO_PHYS + 0x0C604000)
+#define eDP_SEC_SIZE 0x1000
+#define DP_SEC_SIZE 0x1000
+
+/*******************************************************************************
* GPIO related constants
******************************************************************************/
#define GPIO_BASE (IO_PHYS + 0x00005000)
diff --git a/plat/mediatek/mt8195/plat_sip_calls.c b/plat/mediatek/mt8195/plat_sip_calls.c
index a1e3c36e83..99e1eb389a 100644
--- a/plat/mediatek/mt8195/plat_sip_calls.c
+++ b/plat/mediatek/mt8195/plat_sip_calls.c
@@ -6,6 +6,9 @@
#include <common/debug.h>
#include <common/runtime_svc.h>
+#include <mt_dp.h>
+#include <mtk_sip_svc.h>
+#include "plat_sip_calls.h"
uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
u_register_t x1,
@@ -16,7 +19,15 @@ uintptr_t mediatek_plat_sip_handler(uint32_t smc_fid,
void *handle,
u_register_t flags)
{
+ int32_t ret;
+ uint32_t ret_val;
+
switch (smc_fid) {
+ case MTK_SIP_DP_CONTROL_AARCH32:
+ case MTK_SIP_DP_CONTROL_AARCH64:
+ ret = dp_secure_handler(x1, x2, &ret_val);
+ SMC_RET2(handle, ret, ret_val);
+ break;
default:
ERROR("%s: unhandled SMC (0x%x)\n", __func__, smc_fid);
break;
diff --git a/plat/mediatek/mt8195/platform.mk b/plat/mediatek/mt8195/platform.mk
index 4d3ad59e1b..026cf41bf3 100644
--- a/plat/mediatek/mt8195/platform.mk
+++ b/plat/mediatek/mt8195/platform.mk
@@ -12,6 +12,7 @@ PLAT_INCLUDES := -I${MTK_PLAT}/common/ \
-I${MTK_PLAT}/common/drivers/gpio/ \
-I${MTK_PLAT}/common/drivers/rtc/ \
-I${MTK_PLAT}/common/drivers/timer/ \
+ -I${MTK_PLAT_SOC}/drivers/dp/ \
-I${MTK_PLAT_SOC}/drivers/gpio/ \
-I${MTK_PLAT_SOC}/drivers/mcdi/ \
-I${MTK_PLAT_SOC}/drivers/pmic/ \
@@ -50,6 +51,7 @@ BL31_SOURCES += common/desc_image_load.c \
${MTK_PLAT_SOC}/aarch64/platform_common.c \
${MTK_PLAT_SOC}/aarch64/plat_helpers.S \
${MTK_PLAT_SOC}/bl31_plat_setup.c \
+ ${MTK_PLAT_SOC}/drivers/dp/mt_dp.c \
${MTK_PLAT_SOC}/drivers/gpio/mtgpio.c \
${MTK_PLAT_SOC}/drivers/mcdi/mt_cpu_pm.c \
${MTK_PLAT_SOC}/drivers/mcdi/mt_cpu_pm_cpc.c \