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add hdmi cec hal

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* Based on AOSP yukawa HDMI-CEC HAL
  https://android.googlesource.com/device/amlogic/yukawa/+/refs/heads/main/hal/hdmicec/
This commit is contained in:
Konsta
2023-07-24 23:07:27 +03:00
parent 6dd65fa73f
commit c0a8378d8b
11 changed files with 675 additions and 0 deletions
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17
cec/Android.bp Normal file
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// Copyright (C) 2019 The Android Open-Source Project
// Copyright (C) 2021-2022 KonstaKANG
//
// SPDX-License-Identifier: Apache-2.0
cc_library_shared {
name: "hdmi_cec.rpi",
relative_install_path: "hw",
proprietary: true,
srcs: ["hdmi_cec.c"],
cflags: ["-Werror"],
shared_libs: [
"liblog",
"libcutils",
"libhardware",
],
}

616
cec/hdmi_cec.c Normal file
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@@ -0,0 +1,616 @@
/*
* Copyright (C) 2019 BayLibre, SAS.
* Copyright (C) 2021-2022 KonstaKANG
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_TAG "hdmi_cec"
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <poll.h>
#include <sys/socket.h>
#include <linux/netlink.h>
#include <linux/cec.h>
#include <sys/eventfd.h>
#include <log/log.h>
#include <cutils/properties.h>
#include <hardware/hdmi_cec.h>
typedef struct hdmicec_context
{
hdmi_cec_device_t device; /* must be first */
int cec_fd;
unsigned int vendor_id;
unsigned int type;
unsigned int version;
struct hdmi_port_info port_info;
event_callback_t p_event_cb;
void *cb_arg;
pthread_t thread;
int exit_fd;
pthread_mutex_t options_lock;
bool cec_enabled;
bool cec_control_enabled;
} hdmicec_context_t;
static int hdmicec_add_logical_address(const struct hdmi_cec_device *dev, cec_logical_address_t addr)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
unsigned int la_type = CEC_LOG_ADDR_TYPE_UNREGISTERED;
unsigned int all_dev_types = 0;
unsigned int prim_type = 0xff;
struct cec_log_addrs laddrs;
int ret;
ALOGD("%s: addr:%x\n", __func__, addr);
if (addr >= CEC_ADDR_BROADCAST)
return -1;
ret = ioctl(ctx->cec_fd, CEC_ADAP_G_LOG_ADDRS, &laddrs);
if (ret)
return ret;
memset(&laddrs, 0, sizeof(laddrs));
laddrs.cec_version = ctx->version;
laddrs.vendor_id = ctx->vendor_id;
switch (addr) {
case CEC_LOG_ADDR_TV:
prim_type = CEC_OP_PRIM_DEVTYPE_TV;
la_type = CEC_LOG_ADDR_TYPE_TV;
all_dev_types = CEC_OP_ALL_DEVTYPE_TV;
break;
case CEC_LOG_ADDR_RECORD_1:
case CEC_LOG_ADDR_RECORD_2:
case CEC_LOG_ADDR_RECORD_3:
prim_type = CEC_OP_PRIM_DEVTYPE_RECORD;
la_type = CEC_LOG_ADDR_TYPE_RECORD;
all_dev_types = CEC_OP_ALL_DEVTYPE_RECORD;
break;
case CEC_LOG_ADDR_TUNER_1:
case CEC_LOG_ADDR_TUNER_2:
case CEC_LOG_ADDR_TUNER_3:
case CEC_LOG_ADDR_TUNER_4:
prim_type = CEC_OP_PRIM_DEVTYPE_TUNER;
la_type = CEC_LOG_ADDR_TYPE_TUNER;
all_dev_types = CEC_OP_ALL_DEVTYPE_TUNER;
break;
case CEC_LOG_ADDR_PLAYBACK_1:
case CEC_LOG_ADDR_PLAYBACK_2:
case CEC_LOG_ADDR_PLAYBACK_3:
prim_type = CEC_OP_PRIM_DEVTYPE_PLAYBACK;
la_type = CEC_LOG_ADDR_TYPE_PLAYBACK;
all_dev_types = CEC_OP_ALL_DEVTYPE_PLAYBACK;
laddrs.flags = CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU;
break;
case CEC_LOG_ADDR_AUDIOSYSTEM:
prim_type = CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM;
la_type = CEC_LOG_ADDR_TYPE_AUDIOSYSTEM;
all_dev_types = CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM;
break;
case CEC_LOG_ADDR_SPECIFIC:
prim_type = CEC_OP_PRIM_DEVTYPE_PROCESSOR;
la_type = CEC_LOG_ADDR_TYPE_SPECIFIC;
all_dev_types = CEC_OP_ALL_DEVTYPE_SWITCH;
break;
case CEC_ADDR_RESERVED_1:
case CEC_ADDR_RESERVED_2:
case CEC_ADDR_UNREGISTERED:
laddrs.flags = CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK;
break;
}
laddrs.num_log_addrs = 1;
laddrs.log_addr[0] = addr;
laddrs.log_addr_type[0] = la_type;
laddrs.primary_device_type[0] = prim_type;
laddrs.all_device_types[0] = all_dev_types;
laddrs.features[0][0] = 0;
laddrs.features[0][1] = 0;
ret = ioctl(ctx->cec_fd, CEC_ADAP_S_LOG_ADDRS, &laddrs);
if (ret) {
ALOGD("%s: %m\n", __func__);
return ret;
}
ALOGD("%s: log_addr_mask=%x\n", __func__, laddrs.log_addr_mask);
return 0;
}
static void hdmicec_clear_logical_address(const struct hdmi_cec_device *dev)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
struct cec_log_addrs laddrs;
int ret;
memset(&laddrs, 0, sizeof(laddrs));
ret = ioctl(ctx->cec_fd, CEC_ADAP_S_LOG_ADDRS, &laddrs);
if (ret)
ALOGD("%s: %m\n", __func__);
}
static int hdmicec_get_physical_address(const struct hdmi_cec_device *dev, uint16_t *addr)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
int ret = ioctl(ctx->cec_fd, CEC_ADAP_G_PHYS_ADDR, addr);
if (ret)
ALOGD("%s: %m\n", __func__);
return ret;
}
static int hdmicec_send_message(const struct hdmi_cec_device *dev, const cec_message_t *msg)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
struct cec_msg cec_msg;
int ret;
pthread_mutex_lock(&ctx->options_lock);
bool cec_enabled = ctx->cec_enabled;
pthread_mutex_unlock(&ctx->options_lock);
if (!cec_enabled) {
return HDMI_RESULT_FAIL;
}
ALOGD("%s: len=%u\n", __func__, (unsigned int)msg->length);
memset(&cec_msg, 0, sizeof(cec_msg));
cec_msg.msg[0] = (msg->initiator << 4) | msg->destination;
memcpy(&cec_msg.msg[1], msg->body, msg->length);
cec_msg.len = msg->length + 1;
ret = ioctl(ctx->cec_fd, CEC_TRANSMIT, &cec_msg);
if (ret) {
ALOGD("%s: %m\n", __func__);
return HDMI_RESULT_FAIL;
}
if (cec_msg.tx_status != CEC_TX_STATUS_OK)
ALOGD("%s: tx_status=%d\n", __func__, cec_msg.tx_status);
switch (cec_msg.tx_status) {
case CEC_TX_STATUS_OK:
return HDMI_RESULT_SUCCESS;
case CEC_TX_STATUS_ARB_LOST:
return HDMI_RESULT_BUSY;
case CEC_TX_STATUS_NACK:
return HDMI_RESULT_NACK;
default:
if (cec_msg.tx_status & CEC_TX_STATUS_NACK)
return HDMI_RESULT_NACK;
return HDMI_RESULT_FAIL;
}
}
static void hdmicec_register_event_callback(const struct hdmi_cec_device *dev,
event_callback_t callback, void *arg)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
ctx->p_event_cb = callback;
ctx->cb_arg = arg;
}
static void hdmicec_get_version(const struct hdmi_cec_device *dev, int *version)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
*version = ctx->version;
}
static void hdmicec_get_vendor_id(const struct hdmi_cec_device *dev, uint32_t *vendor_id)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
*vendor_id = ctx->vendor_id;
}
static void hdmicec_get_port_info(const struct hdmi_cec_device *dev,
struct hdmi_port_info *list[], int *total)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
int ret;
ret = ioctl(ctx->cec_fd, CEC_ADAP_G_PHYS_ADDR, &ctx->port_info.physical_address);
if (ret)
ALOGD("%s: %m\n", __func__);
ALOGD("type:%s, id:%d, cec support:%d, arc support:%d, physical address:%x",
ctx->port_info.type ? "output" : "input",
ctx->port_info.port_id,
ctx->port_info.cec_supported,
ctx->port_info.arc_supported,
ctx->port_info.physical_address);
*list = &ctx->port_info;
*total = 1;
}
static void hdmicec_set_option(const struct hdmi_cec_device *dev, int flag, int value)
{
struct hdmicec_context* ctx = (struct hdmicec_context*)dev;
ALOGD("%s: flag=%d, value=%d", __func__, flag, value);
switch (flag) {
case HDMI_OPTION_ENABLE_CEC:
pthread_mutex_lock(&ctx->options_lock);
ctx->cec_enabled = (value == 1 ? true : false);
pthread_mutex_unlock(&ctx->options_lock);
break;
case HDMI_OPTION_WAKEUP:
// Not valid for playback devices
break;
case HDMI_OPTION_SYSTEM_CEC_CONTROL:
pthread_mutex_lock(&ctx->options_lock);
ctx->cec_control_enabled = (value == 1 ? true : false);
pthread_mutex_unlock(&ctx->options_lock);
break;
}
}
static int hdmicec_is_connected(const struct hdmi_cec_device *dev, int port_id)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
int ret;
(void)port_id;
ret = ioctl(ctx->cec_fd, CEC_ADAP_G_PHYS_ADDR,
&ctx->port_info.physical_address);
if (ret) {
ALOGD("%s: %m\n", __func__);
return ret;
}
if (ctx->port_info.physical_address == CEC_PHYS_ADDR_INVALID)
return false;
return true;
}
static int get_opcode(struct cec_msg* message) {
return (((uint8_t)message->msg[1]) & 0xff);
}
static int get_first_param(struct cec_msg* message) {
return (((uint8_t)message->msg[2]) & 0xff);
}
static bool is_power_ui_command(struct cec_msg* message) {
int ui_command = get_first_param(message);
switch (ui_command) {
case CEC_OP_UI_CMD_POWER:
case CEC_OP_UI_CMD_DEVICE_ROOT_MENU:
case CEC_OP_UI_CMD_POWER_ON_FUNCTION:
return true;
default:
return false;
}
}
static bool is_transferable_in_sleep(struct cec_msg* message) {
int opcode = get_opcode(message);
switch (opcode) {
case CEC_MESSAGE_ABORT:
case CEC_MESSAGE_DEVICE_VENDOR_ID:
case CEC_MESSAGE_GET_CEC_VERSION:
case CEC_MESSAGE_GET_MENU_LANGUAGE:
case CEC_MESSAGE_GIVE_DEVICE_POWER_STATUS:
case CEC_MESSAGE_GIVE_DEVICE_VENDOR_ID:
case CEC_MESSAGE_GIVE_OSD_NAME:
case CEC_MESSAGE_GIVE_PHYSICAL_ADDRESS:
case CEC_MESSAGE_REPORT_PHYSICAL_ADDRESS:
case CEC_MESSAGE_REPORT_POWER_STATUS:
case CEC_MESSAGE_SET_OSD_NAME:
case CEC_MESSAGE_DECK_CONTROL:
case CEC_MESSAGE_PLAY:
return true;
case CEC_MESSAGE_USER_CONTROL_PRESSED:
return is_power_ui_command(message);
default:
return false;
}
}
static void *event_thread(void *arg)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)arg;
int ret;
struct pollfd ufds[3] = {
{ ctx->cec_fd, POLLIN, 0 },
{ ctx->cec_fd, POLLERR, 0 },
{ ctx->exit_fd, POLLIN, 0 },
};
ALOGI("%s start!", __func__);
while (1) {
ufds[0].revents = 0;
ufds[1].revents = 0;
ufds[2].revents = 0;
ret = poll(ufds, 3, -1);
if (ret <= 0)
continue;
if (ufds[2].revents == POLLIN) /* Exit */
break;
if (ufds[1].revents == POLLERR) { /* CEC Event */
hdmi_event_t event = { };
struct cec_event ev;
ret = ioctl(ctx->cec_fd, CEC_DQEVENT, &ev);
if (ret)
continue;
pthread_mutex_lock(&ctx->options_lock);
bool cec_enabled = ctx->cec_enabled;
pthread_mutex_unlock(&ctx->options_lock);
if (!cec_enabled) {
continue;
}
if (ev.event == CEC_EVENT_STATE_CHANGE) {
event.type = HDMI_EVENT_HOT_PLUG;
event.dev = &ctx->device;
event.hotplug.port_id = 1;
if (ev.state_change.phys_addr == CEC_PHYS_ADDR_INVALID)
event.hotplug.connected = false;
else
event.hotplug.connected = true;
if (ctx->p_event_cb != NULL) {
ctx->p_event_cb(&event, ctx->cb_arg);
} else {
ALOGE("no event callback for hotplug\n");
}
}
}
if (ufds[0].revents == POLLIN) { /* CEC Driver */
struct cec_msg msg = { };
hdmi_event_t event = { };
ret = ioctl(ctx->cec_fd, CEC_RECEIVE, &msg);
if (ret) {
ALOGE("%s: CEC_RECEIVE error (%m)\n", __func__);
continue;
}
if (msg.rx_status != CEC_RX_STATUS_OK) {
ALOGD("%s: rx_status=%d\n", __func__, msg.rx_status);
continue;
}
pthread_mutex_lock(&ctx->options_lock);
bool cec_enabled = ctx->cec_enabled;
pthread_mutex_unlock(&ctx->options_lock);
if (!cec_enabled) {
continue;
}
pthread_mutex_lock(&ctx->options_lock);
bool cec_control_enabled = ctx->cec_control_enabled;
pthread_mutex_unlock(&ctx->options_lock);
if (!cec_control_enabled && !is_transferable_in_sleep(&msg)) {
ALOGD("%s: filter message in standby mode\n", __func__);
continue;
}
if (ctx->p_event_cb != NULL) {
event.type = HDMI_EVENT_CEC_MESSAGE;
event.dev = &ctx->device;
event.cec.initiator = msg.msg[0] >> 4;
event.cec.destination = msg.msg[0] & 0xf;
event.cec.length = msg.len - 1;
memcpy(event.cec.body, &msg.msg[1], msg.len - 1);
ctx->p_event_cb(&event, ctx->cb_arg);
} else {
ALOGE("no event callback for msg\n");
}
}
}
ALOGI("%s exit!", __func__);
return NULL;
}
static void hdmicec_set_arc(const struct hdmi_cec_device *dev, int port_id, int flag)
{
(void)dev;
(void)port_id;
(void)flag;
/* Not supported */
}
static int hdmicec_close(struct hdmi_cec_device *dev)
{
struct hdmicec_context *ctx = (struct hdmicec_context *)dev;
uint64_t tmp = 1;
ALOGD("%s\n", __func__);
if (ctx->exit_fd > 0) {
write(ctx->exit_fd, &tmp, sizeof(tmp));
pthread_join(ctx->thread, NULL);
}
if (ctx->cec_fd > 0)
close(ctx->cec_fd);
if (ctx->exit_fd > 0)
close(ctx->exit_fd);
free(ctx);
ctx->cec_enabled = false;
ctx->cec_control_enabled = false;
return 0;
}
static int cec_init(struct hdmicec_context *ctx)
{
struct cec_log_addrs laddrs = {};
struct cec_caps caps = {};
uint32_t mode;
int ret;
// Ensure the CEC device supports required capabilities
ret = ioctl(ctx->cec_fd, CEC_ADAP_G_CAPS, &caps);
if (ret)
return ret;
if (!(caps.capabilities & (CEC_CAP_LOG_ADDRS |
CEC_CAP_TRANSMIT |
CEC_CAP_PASSTHROUGH))) {
ALOGE("%s: wrong cec adapter capabilities %x\n",
__func__, caps.capabilities);
return -1;
}
// This is an exclusive follower, in addition put the CEC device into passthrough mode
mode = CEC_MODE_INITIATOR | CEC_MODE_EXCL_FOLLOWER_PASSTHRU;
ret = ioctl(ctx->cec_fd, CEC_S_MODE, &mode);
if (ret)
return ret;
ctx->type = property_get_int32("ro.hdmi.device_type", CEC_DEVICE_PLAYBACK);
ctx->vendor_id = property_get_int32("ro.hdmi.vendor_id",
0x000c03 /* HDMI LLC vendor ID */);
ctx->version = property_get_bool("ro.hdmi.cec_version",
CEC_OP_CEC_VERSION_1_4);
ctx->port_info.type = ctx->type == CEC_DEVICE_TV ? HDMI_INPUT : HDMI_OUTPUT;
ctx->port_info.port_id = 1;
ctx->port_info.cec_supported = 1;
ctx->port_info.arc_supported = 0;
ALOGD("%s: type=%d\n", __func__, ctx->type);
ALOGD("%s: vendor_id=%04x\n", __func__, ctx->vendor_id);
ALOGD("%s: version=%d\n", __func__, ctx->version);
memset(&laddrs, 0, sizeof(laddrs));
ret = ioctl(ctx->cec_fd, CEC_ADAP_S_LOG_ADDRS, &laddrs);
if (ret)
return ret;
pthread_mutex_init(&ctx->options_lock, NULL);
ALOGD("%s: initialized CEC controller\n", __func__);
return ret;
}
static int open_hdmi_cec(const struct hw_module_t *module, const char *id,
struct hw_device_t **device)
{
char path[32];
char prop[PROPERTY_VALUE_MAX];
hdmicec_context_t *ctx;
int ret;
ALOGD("%s: id=%s\n", __func__, id);
ctx = malloc(sizeof(struct hdmicec_context));
if (!ctx)
return -ENOMEM;
memset(ctx, 0, sizeof(*ctx));
property_get("ro.hdmi.cec_device", prop, "cec0");
snprintf(path, sizeof(path), "/dev/%s", prop);
ctx->cec_fd = open(path, O_RDWR);
if (ctx->cec_fd < 0) {
ALOGE("faild to open %s, ret=%s\n", path, strerror(errno));
goto fail;
}
ctx->exit_fd = eventfd(0, EFD_NONBLOCK);
if (ctx->exit_fd < 0) {
ALOGE("faild to open eventfd, ret = %d\n", errno);
goto fail;
}
ctx->device.common.tag = HARDWARE_DEVICE_TAG;
ctx->device.common.version = HDMI_CEC_DEVICE_API_VERSION_1_0;
ctx->device.common.module = (struct hw_module_t *)module;
ctx->device.common.close = (int (*)(struct hw_device_t* device))hdmicec_close;
ctx->device.add_logical_address = hdmicec_add_logical_address;
ctx->device.clear_logical_address = hdmicec_clear_logical_address;
ctx->device.get_physical_address = hdmicec_get_physical_address;
ctx->device.send_message = hdmicec_send_message;
ctx->device.register_event_callback = hdmicec_register_event_callback;
ctx->device.get_version = hdmicec_get_version;
ctx->device.get_vendor_id = hdmicec_get_vendor_id;
ctx->device.get_port_info = hdmicec_get_port_info;
ctx->device.set_option = hdmicec_set_option;
ctx->device.set_audio_return_channel = hdmicec_set_arc;
ctx->device.is_connected = hdmicec_is_connected;
/* init status */
ret = cec_init(ctx);
if (ret)
goto fail;
*device = &ctx->device.common;
/* thread loop for receiving cec msg */
if (pthread_create(&ctx->thread, NULL, event_thread, ctx)) {
ALOGE("Can't create event thread: %s\n", strerror(errno));
goto fail;
}
ctx->cec_enabled = true;
ctx->cec_control_enabled = true;
return 0;
fail:
hdmicec_close((struct hdmi_cec_device *)ctx);
return -errno;
}
/* module method */
static struct hw_module_methods_t hdmi_cec_module_methods = {
.open = open_hdmi_cec,
};
/* hdmi_cec module */
struct hw_module_t HAL_MODULE_INFO_SYM = {
.tag = HARDWARE_MODULE_TAG,
.version_major = 1,
.version_minor = 0,
.id = HDMI_CEC_HARDWARE_MODULE_ID,
.name = "Raspberry Pi HDMI CEC HAL",
.author = "The Android Open Source Project",
.methods = &hdmi_cec_module_methods,
};

9
device.mk
View File

@@ -135,6 +135,15 @@ PRODUCT_COPY_FILES += \
PRODUCT_COPY_FILES += \ PRODUCT_COPY_FILES += \
$(DEVICE_PATH)/camera/media_profiles_V1_0.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_profiles_V1_0.xml $(DEVICE_PATH)/camera/media_profiles_V1_0.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_profiles_V1_0.xml
# CEC
PRODUCT_PACKAGES += \
android.hardware.tv.cec@1.0-impl \
android.hardware.tv.cec@1.0-service \
hdmi_cec.rpi
PRODUCT_COPY_FILES += \
frameworks/native/data/etc/android.hardware.hdmi.cec.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.hdmi.cec.xml
# Debugfs # Debugfs
PRODUCT_SET_DEBUGFS_RESTRICTIONS := false PRODUCT_SET_DEBUGFS_RESTRICTIONS := false

6
keylayout/Generic.kl
View File

@@ -411,6 +411,12 @@ key 582 VOICE_ASSIST
# Linux KEY_ASSISTANT # Linux KEY_ASSISTANT
key 583 ASSIST key 583 ASSIST
# CEC
key 352 ENTER
key 618 HOME
key 141 POWER
key 174 BACK
# Keys defined by HID usages # Keys defined by HID usages
key usage 0x0c0067 WINDOW key usage 0x0c0067 WINDOW
key usage 0x0c006F BRIGHTNESS_UP key usage 0x0c006F BRIGHTNESS_UP

9
manifest.xml
View File

@@ -58,4 +58,13 @@
<instance>default</instance> <instance>default</instance>
</interface> </interface>
</hal> </hal>
<hal format="hidl">
<name>android.hardware.tv.cec</name>
<transport>hwbinder</transport>
<version>1.0</version>
<interface>
<name>IHdmiCec</name>
<instance>default</instance>
</interface>
</hal>
</manifest> </manifest>

4
overlay/AndroidRpiOverlay/res/values/config.xml
View File

@@ -117,4 +117,8 @@
--> -->
<integer name="config_defaultNightMode">2</integer> <integer name="config_defaultNightMode">2</integer>
<!-- CEC Configuration -->
<bool name="config_cecTvSendStandbyOnSleepEnabled_default">false</bool>
<bool name="config_cecTvSendStandbyOnSleepDisabled_default">true</bool>
</resources> </resources>

4
ramdisk/ueventd.rpi4.rc
View File

@@ -8,6 +8,10 @@
/dev/v4l-subdev* 0660 system camera /dev/v4l-subdev* 0660 system camera
/dev/video* 0660 system camera /dev/video* 0660 system camera
# CEC
/dev/cec0 0660 system graphics
/dev/cec1 0660 system graphics
# DMA # DMA
/dev/dma_heap/linux,cma 0666 system graphics /dev/dma_heap/linux,cma 0666 system graphics

1
sepolicy/device.te
View File

@@ -1 +1,2 @@
type cec_device, dev_type;
type vcio_device, dev_type, mlstrustedobject; type vcio_device, dev_type, mlstrustedobject;

4
sepolicy/file_contexts
View File

@@ -3,6 +3,10 @@
/dev/vcio u:object_r:vcio_device:s0 /dev/vcio u:object_r:vcio_device:s0
/sys/class/rfkill/rfkill[0-9]/state u:object_r:sysfs_bluetooth_writable:s0 /sys/class/rfkill/rfkill[0-9]/state u:object_r:sysfs_bluetooth_writable:s0
# CEC
/dev/cec0 u:object_r:cec_device:s0
/dev/cec1 u:object_r:cec_device:s0
# DRM # DRM
/vendor/bin/hw/android\.hardware\.drm(@[0-9]+\.[0-9]+)?-service\.clearkey u:object_r:hal_drm_clearkey_exec:s0 /vendor/bin/hw/android\.hardware\.drm(@[0-9]+\.[0-9]+)?-service\.clearkey u:object_r:hal_drm_clearkey_exec:s0
/vendor/bin/hw/android\.hardware\.drm(@[0-9]+\.[0-9]+)?-service\.widevine u:object_r:hal_drm_widevine_exec:s0 /vendor/bin/hw/android\.hardware\.drm(@[0-9]+\.[0-9]+)?-service\.widevine u:object_r:hal_drm_widevine_exec:s0

1
sepolicy/hal_tv_cec_default.te Normal file
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@@ -0,0 +1 @@
allow domain cec_device:chr_file rw_file_perms;

4
vendor.prop
View File

@@ -37,6 +37,10 @@ ro.rfkilldisabled=1
media.settings.xml=/vendor/etc/media_profiles_V1_0.xml media.settings.xml=/vendor/etc/media_profiles_V1_0.xml
ro.hardware.camera=libcamera ro.hardware.camera=libcamera
# CEC
ro.hdmi.cec_device=cec0
ro.hdmi.device_type=4
# Display # Display
debug.drm.mode.force=1920x1080 debug.drm.mode.force=1920x1080