]> git.karo-electronics.de Git - karo-tx-linux.git/commitdiff
[media] cec.h: add cec header
authorHans Verkuil <hans.verkuil@cisco.com>
Fri, 17 Jun 2016 12:17:57 +0000 (09:17 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Tue, 28 Jun 2016 12:56:15 +0000 (09:56 -0300)
This header contains the CEC public API. Since the CEC framework will
initially be part of staging this header is kept out of include/uapi for
the time being until the CEC framework will be moved out of staging.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
include/linux/cec.h [new file with mode: 0644]

diff --git a/include/linux/cec.h b/include/linux/cec.h
new file mode 100644 (file)
index 0000000..40924e7
--- /dev/null
@@ -0,0 +1,993 @@
+/*
+ * cec - HDMI Consumer Electronics Control public header
+ *
+ * Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
+ *
+ * This program is free software; you may redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Note: this framework is still in staging and it is likely the API
+ * will change before it goes out of staging.
+ *
+ * Once it is moved out of staging this header will move to uapi.
+ */
+#ifndef _CEC_UAPI_H
+#define _CEC_UAPI_H
+
+#include <linux/types.h>
+
+#define CEC_MAX_MSG_SIZE       16
+
+/**
+ * struct cec_msg - CEC message structure.
+ * @ts:                Timestamp in nanoseconds using CLOCK_MONOTONIC. Set by the
+ *             driver. It is set when the message transmission has finished
+ *             and it is set when a message was received.
+ * @len:       Length in bytes of the message.
+ * @timeout:   The timeout (in ms) that is used to timeout CEC_RECEIVE.
+ *             Set to 0 if you want to wait forever. This timeout can also be
+ *             used with CEC_TRANSMIT as the timeout for waiting for a reply.
+ *             If 0, then it will use a 1 second timeout instead of waiting
+ *             forever as is done with CEC_RECEIVE.
+ * @sequence:  The framework assigns a sequence number to messages that are
+ *             sent. This can be used to track replies to previously sent
+ *             messages.
+ * @flags:     Set to 0.
+ * @rx_status: The message receive status bits. Set by the driver.
+ * @tx_status: The message transmit status bits. Set by the driver.
+ * @msg:       The message payload.
+ * @reply:     This field is ignored with CEC_RECEIVE and is only used by
+ *             CEC_TRANSMIT. If non-zero, then wait for a reply with this
+ *             opcode. Set to CEC_MSG_FEATURE_ABORT if you want to wait for
+ *             a possible ABORT reply. If there was an error when sending the
+ *             msg or FeatureAbort was returned, then reply is set to 0.
+ *             If reply is non-zero upon return, then len/msg are set to
+ *             the received message.
+ *             If reply is zero upon return and status has the
+ *             CEC_TX_STATUS_FEATURE_ABORT bit set, then len/msg are set to
+ *             the received feature abort message.
+ *             If reply is zero upon return and status has the
+ *             CEC_TX_STATUS_MAX_RETRIES bit set, then no reply was seen at
+ *             all. If reply is non-zero for CEC_TRANSMIT and the message is a
+ *             broadcast, then -EINVAL is returned.
+ *             if reply is non-zero, then timeout is set to 1000 (the required
+ *             maximum response time).
+ * @tx_arb_lost_cnt: The number of 'Arbitration Lost' events. Set by the driver.
+ * @tx_nack_cnt: The number of 'Not Acknowledged' events. Set by the driver.
+ * @tx_low_drive_cnt: The number of 'Low Drive Detected' events. Set by the
+ *             driver.
+ * @tx_error_cnt: The number of 'Error' events. Set by the driver.
+ */
+struct cec_msg {
+       __u64 ts;
+       __u32 len;
+       __u32 timeout;
+       __u32 sequence;
+       __u32 flags;
+       __u8 rx_status;
+       __u8 tx_status;
+       __u8 msg[CEC_MAX_MSG_SIZE];
+       __u8 reply;
+       __u8 tx_arb_lost_cnt;
+       __u8 tx_nack_cnt;
+       __u8 tx_low_drive_cnt;
+       __u8 tx_error_cnt;
+};
+
+/**
+ * cec_msg_initiator - return the initiator's logical address.
+ * @msg:       the message structure
+ */
+static inline __u8 cec_msg_initiator(const struct cec_msg *msg)
+{
+       return msg->msg[0] >> 4;
+}
+
+/**
+ * cec_msg_destination - return the destination's logical address.
+ * @msg:       the message structure
+ */
+static inline __u8 cec_msg_destination(const struct cec_msg *msg)
+{
+       return msg->msg[0] & 0xf;
+}
+
+/**
+ * cec_msg_opcode - return the opcode of the message, -1 for poll
+ * @msg:       the message structure
+ */
+static inline int cec_msg_opcode(const struct cec_msg *msg)
+{
+       return msg->len > 1 ? msg->msg[1] : -1;
+}
+
+/**
+ * cec_msg_is_broadcast - return true if this is a broadcast message.
+ * @msg:       the message structure
+ */
+static inline bool cec_msg_is_broadcast(const struct cec_msg *msg)
+{
+       return (msg->msg[0] & 0xf) == 0xf;
+}
+
+/**
+ * cec_msg_init - initialize the message structure.
+ * @msg:       the message structure
+ * @initiator: the logical address of the initiator
+ * @destination:the logical address of the destination (0xf for broadcast)
+ *
+ * The whole structure is zeroed, the len field is set to 1 (i.e. a poll
+ * message) and the initiator and destination are filled in.
+ */
+static inline void cec_msg_init(struct cec_msg *msg,
+                               __u8 initiator, __u8 destination)
+{
+       memset(msg, 0, sizeof(*msg));
+       msg->msg[0] = (initiator << 4) | destination;
+       msg->len = 1;
+}
+
+/**
+ * cec_msg_set_reply_to - fill in destination/initiator in a reply message.
+ * @msg:       the message structure for the reply
+ * @orig:      the original message structure
+ *
+ * Set the msg destination to the orig initiator and the msg initiator to the
+ * orig destination. Note that msg and orig may be the same pointer, in which
+ * case the change is done in place.
+ */
+static inline void cec_msg_set_reply_to(struct cec_msg *msg,
+                                       struct cec_msg *orig)
+{
+       /* The destination becomes the initiator and vice versa */
+       msg->msg[0] = (cec_msg_destination(orig) << 4) |
+                     cec_msg_initiator(orig);
+       msg->reply = msg->timeout = 0;
+}
+
+/* cec status field */
+#define CEC_TX_STATUS_OK               (1 << 0)
+#define CEC_TX_STATUS_ARB_LOST         (1 << 1)
+#define CEC_TX_STATUS_NACK             (1 << 2)
+#define CEC_TX_STATUS_LOW_DRIVE                (1 << 3)
+#define CEC_TX_STATUS_ERROR            (1 << 4)
+#define CEC_TX_STATUS_MAX_RETRIES      (1 << 5)
+
+#define CEC_RX_STATUS_OK               (1 << 0)
+#define CEC_RX_STATUS_TIMEOUT          (1 << 1)
+#define CEC_RX_STATUS_FEATURE_ABORT    (1 << 2)
+
+static inline bool cec_msg_status_is_ok(const struct cec_msg *msg)
+{
+       if (msg->tx_status && !(msg->tx_status & CEC_TX_STATUS_OK))
+               return false;
+       if (msg->rx_status && !(msg->rx_status & CEC_RX_STATUS_OK))
+               return false;
+       if (!msg->tx_status && !msg->rx_status)
+               return false;
+       return !(msg->rx_status & CEC_RX_STATUS_FEATURE_ABORT);
+}
+
+#define CEC_LOG_ADDR_INVALID           0xff
+#define CEC_PHYS_ADDR_INVALID          0xffff
+
+/*
+ * The maximum number of logical addresses one device can be assigned to.
+ * The CEC 2.0 spec allows for only 2 logical addresses at the moment. The
+ * Analog Devices CEC hardware supports 3. So let's go wild and go for 4.
+ */
+#define CEC_MAX_LOG_ADDRS 4
+
+/* The logical addresses defined by CEC 2.0 */
+#define CEC_LOG_ADDR_TV                        0
+#define CEC_LOG_ADDR_RECORD_1          1
+#define CEC_LOG_ADDR_RECORD_2          2
+#define CEC_LOG_ADDR_TUNER_1           3
+#define CEC_LOG_ADDR_PLAYBACK_1                4
+#define CEC_LOG_ADDR_AUDIOSYSTEM       5
+#define CEC_LOG_ADDR_TUNER_2           6
+#define CEC_LOG_ADDR_TUNER_3           7
+#define CEC_LOG_ADDR_PLAYBACK_2                8
+#define CEC_LOG_ADDR_RECORD_3          9
+#define CEC_LOG_ADDR_TUNER_4           10
+#define CEC_LOG_ADDR_PLAYBACK_3                11
+#define CEC_LOG_ADDR_BACKUP_1          12
+#define CEC_LOG_ADDR_BACKUP_2          13
+#define CEC_LOG_ADDR_SPECIFIC          14
+#define CEC_LOG_ADDR_UNREGISTERED      15 /* as initiator address */
+#define CEC_LOG_ADDR_BROADCAST         15 /* ad destination address */
+
+/* The logical address types that the CEC device wants to claim */
+#define CEC_LOG_ADDR_TYPE_TV           0
+#define CEC_LOG_ADDR_TYPE_RECORD       1
+#define CEC_LOG_ADDR_TYPE_TUNER                2
+#define CEC_LOG_ADDR_TYPE_PLAYBACK     3
+#define CEC_LOG_ADDR_TYPE_AUDIOSYSTEM  4
+#define CEC_LOG_ADDR_TYPE_SPECIFIC     5
+#define CEC_LOG_ADDR_TYPE_UNREGISTERED 6
+/*
+ * Switches should use UNREGISTERED.
+ * Processors should use SPECIFIC.
+ */
+
+#define CEC_LOG_ADDR_MASK_TV           (1 << CEC_LOG_ADDR_TV)
+#define CEC_LOG_ADDR_MASK_RECORD       ((1 << CEC_LOG_ADDR_RECORD_1) | \
+                                        (1 << CEC_LOG_ADDR_RECORD_2) | \
+                                        (1 << CEC_LOG_ADDR_RECORD_3))
+#define CEC_LOG_ADDR_MASK_TUNER                ((1 << CEC_LOG_ADDR_TUNER_1) | \
+                                        (1 << CEC_LOG_ADDR_TUNER_2) | \
+                                        (1 << CEC_LOG_ADDR_TUNER_3) | \
+                                        (1 << CEC_LOG_ADDR_TUNER_4))
+#define CEC_LOG_ADDR_MASK_PLAYBACK     ((1 << CEC_LOG_ADDR_PLAYBACK_1) | \
+                                        (1 << CEC_LOG_ADDR_PLAYBACK_2) | \
+                                        (1 << CEC_LOG_ADDR_PLAYBACK_3))
+#define CEC_LOG_ADDR_MASK_AUDIOSYSTEM  (1 << CEC_LOG_ADDR_AUDIOSYSTEM)
+#define CEC_LOG_ADDR_MASK_BACKUP       ((1 << CEC_LOG_ADDR_BACKUP_1) | \
+                                        (1 << CEC_LOG_ADDR_BACKUP_2))
+#define CEC_LOG_ADDR_MASK_SPECIFIC     (1 << CEC_LOG_ADDR_SPECIFIC)
+#define CEC_LOG_ADDR_MASK_UNREGISTERED (1 << CEC_LOG_ADDR_UNREGISTERED)
+
+static inline bool cec_has_tv(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_TV;
+}
+
+static inline bool cec_has_record(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_RECORD;
+}
+
+static inline bool cec_has_tuner(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_TUNER;
+}
+
+static inline bool cec_has_playback(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_PLAYBACK;
+}
+
+static inline bool cec_has_audiosystem(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_AUDIOSYSTEM;
+}
+
+static inline bool cec_has_backup(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_BACKUP;
+}
+
+static inline bool cec_has_specific(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_SPECIFIC;
+}
+
+static inline bool cec_is_unregistered(__u16 log_addr_mask)
+{
+       return log_addr_mask & CEC_LOG_ADDR_MASK_UNREGISTERED;
+}
+
+static inline bool cec_is_unconfigured(__u16 log_addr_mask)
+{
+       return log_addr_mask == 0;
+}
+
+/*
+ * Use this if there is no vendor ID (CEC_G_VENDOR_ID) or if the vendor ID
+ * should be disabled (CEC_S_VENDOR_ID)
+ */
+#define CEC_VENDOR_ID_NONE             0xffffffff
+
+/* The message handling modes */
+/* Modes for initiator */
+#define CEC_MODE_NO_INITIATOR          (0x0 << 0)
+#define CEC_MODE_INITIATOR             (0x1 << 0)
+#define CEC_MODE_EXCL_INITIATOR                (0x2 << 0)
+#define CEC_MODE_INITIATOR_MSK         0x0f
+
+/* Modes for follower */
+#define CEC_MODE_NO_FOLLOWER           (0x0 << 4)
+#define CEC_MODE_FOLLOWER              (0x1 << 4)
+#define CEC_MODE_EXCL_FOLLOWER         (0x2 << 4)
+#define CEC_MODE_EXCL_FOLLOWER_PASSTHRU        (0x3 << 4)
+#define CEC_MODE_MONITOR               (0xe << 4)
+#define CEC_MODE_MONITOR_ALL           (0xf << 4)
+#define CEC_MODE_FOLLOWER_MSK          0xf0
+
+/* Userspace has to configure the physical address */
+#define CEC_CAP_PHYS_ADDR      (1 << 0)
+/* Userspace has to configure the logical addresses */
+#define CEC_CAP_LOG_ADDRS      (1 << 1)
+/* Userspace can transmit messages (and thus become follower as well) */
+#define CEC_CAP_TRANSMIT       (1 << 2)
+/*
+ * Passthrough all messages instead of processing them.
+ */
+#define CEC_CAP_PASSTHROUGH    (1 << 3)
+/* Supports remote control */
+#define CEC_CAP_RC             (1 << 4)
+/* Hardware can monitor all messages, not just directed and broadcast. */
+#define CEC_CAP_MONITOR_ALL    (1 << 5)
+
+/**
+ * struct cec_caps - CEC capabilities structure.
+ * @driver: name of the CEC device driver.
+ * @name: name of the CEC device. @driver + @name must be unique.
+ * @available_log_addrs: number of available logical addresses.
+ * @capabilities: capabilities of the CEC adapter.
+ * @version: version of the CEC adapter framework.
+ */
+struct cec_caps {
+       char driver[32];
+       char name[32];
+       __u32 available_log_addrs;
+       __u32 capabilities;
+       __u32 version;
+};
+
+/**
+ * struct cec_log_addrs - CEC logical addresses structure.
+ * @log_addr: the claimed logical addresses. Set by the driver.
+ * @log_addr_mask: current logical address mask. Set by the driver.
+ * @cec_version: the CEC version that the adapter should implement. Set by the
+ *     caller.
+ * @num_log_addrs: how many logical addresses should be claimed. Set by the
+ *     caller.
+ * @vendor_id: the vendor ID of the device. Set by the caller.
+ * @flags: set to 0.
+ * @osd_name: the OSD name of the device. Set by the caller.
+ * @primary_device_type: the primary device type for each logical address.
+ *     Set by the caller.
+ * @log_addr_type: the logical address types. Set by the caller.
+ * @all_device_types: CEC 2.0: all device types represented by the logical
+ *     address. Set by the caller.
+ * @features:  CEC 2.0: The logical address features. Set by the caller.
+ */
+struct cec_log_addrs {
+       __u8 log_addr[CEC_MAX_LOG_ADDRS];
+       __u16 log_addr_mask;
+       __u8 cec_version;
+       __u8 num_log_addrs;
+       __u32 vendor_id;
+       __u32 flags;
+       char osd_name[15];
+       __u8 primary_device_type[CEC_MAX_LOG_ADDRS];
+       __u8 log_addr_type[CEC_MAX_LOG_ADDRS];
+
+       /* CEC 2.0 */
+       __u8 all_device_types[CEC_MAX_LOG_ADDRS];
+       __u8 features[CEC_MAX_LOG_ADDRS][12];
+};
+
+/* Events */
+
+/* Event that occurs when the adapter state changes */
+#define CEC_EVENT_STATE_CHANGE         1
+/*
+ * This event is sent when messages are lost because the application
+ * didn't empty the message queue in time
+ */
+#define CEC_EVENT_LOST_MSGS            2
+
+#define CEC_EVENT_FL_INITIAL_STATE     (1 << 0)
+
+/**
+ * struct cec_event_state_change - used when the CEC adapter changes state.
+ * @phys_addr: the current physical address
+ * @log_addr_mask: the current logical address mask
+ */
+struct cec_event_state_change {
+       __u16 phys_addr;
+       __u16 log_addr_mask;
+};
+
+/**
+ * struct cec_event_lost_msgs - tells you how many messages were lost due.
+ * @lost_msgs: how many messages were lost.
+ */
+struct cec_event_lost_msgs {
+       __u32 lost_msgs;
+};
+
+/**
+ * struct cec_event - CEC event structure
+ * @ts: the timestamp of when the event was sent.
+ * @event: the event.
+ * array.
+ * @state_change: the event payload for CEC_EVENT_STATE_CHANGE.
+ * @lost_msgs: the event payload for CEC_EVENT_LOST_MSGS.
+ * @raw: array to pad the union.
+ */
+struct cec_event {
+       __u64 ts;
+       __u32 event;
+       __u32 flags;
+       union {
+               struct cec_event_state_change state_change;
+               struct cec_event_lost_msgs lost_msgs;
+               __u32 raw[16];
+       };
+};
+
+/* ioctls */
+
+/* Adapter capabilities */
+#define CEC_ADAP_G_CAPS                _IOWR('a',  0, struct cec_caps)
+
+/*
+ * phys_addr is either 0 (if this is the CEC root device)
+ * or a valid physical address obtained from the sink's EDID
+ * as read by this CEC device (if this is a source device)
+ * or a physical address obtained and modified from a sink
+ * EDID and used for a sink CEC device.
+ * If nothing is connected, then phys_addr is 0xffff.
+ * See HDMI 1.4b, section 8.7 (Physical Address).
+ *
+ * The CEC_ADAP_S_PHYS_ADDR ioctl may not be available if that is handled
+ * internally.
+ */
+#define CEC_ADAP_G_PHYS_ADDR   _IOR('a',  1, __u16)
+#define CEC_ADAP_S_PHYS_ADDR   _IOW('a',  2, __u16)
+
+/*
+ * Configure the CEC adapter. It sets the device type and which
+ * logical types it will try to claim. It will return which
+ * logical addresses it could actually claim.
+ * An error is returned if the adapter is disabled or if there
+ * is no physical address assigned.
+ */
+
+#define CEC_ADAP_G_LOG_ADDRS   _IOR('a',  3, struct cec_log_addrs)
+#define CEC_ADAP_S_LOG_ADDRS   _IOWR('a',  4, struct cec_log_addrs)
+
+/* Transmit/receive a CEC command */
+#define CEC_TRANSMIT           _IOWR('a',  5, struct cec_msg)
+#define CEC_RECEIVE            _IOWR('a',  6, struct cec_msg)
+
+/* Dequeue CEC events */
+#define CEC_DQEVENT            _IOWR('a',  7, struct cec_event)
+
+/*
+ * Get and set the message handling mode for this filehandle.
+ */
+#define CEC_G_MODE             _IOR('a',  8, __u32)
+#define CEC_S_MODE             _IOW('a',  9, __u32)
+
+/*
+ * The remainder of this header defines all CEC messages and operands.
+ * The format matters since it the cec-ctl utility parses it to generate
+ * code for implementing all these messages.
+ *
+ * Comments ending with 'Feature' group messages for each feature.
+ * If messages are part of multiple features, then the "Has also"
+ * comment is used to list the previously defined messages that are
+ * supported by the feature.
+ *
+ * Before operands are defined a comment is added that gives the
+ * name of the operand and in brackets the variable name of the
+ * corresponding argument in the cec-funcs.h function.
+ */
+
+/* Messages */
+
+/* One Touch Play Feature */
+#define CEC_MSG_ACTIVE_SOURCE                          0x82
+#define CEC_MSG_IMAGE_VIEW_ON                          0x04
+#define CEC_MSG_TEXT_VIEW_ON                           0x0d
+
+
+/* Routing Control Feature */
+
+/*
+ * Has also:
+ *     CEC_MSG_ACTIVE_SOURCE
+ */
+
+#define CEC_MSG_INACTIVE_SOURCE                                0x9d
+#define CEC_MSG_REQUEST_ACTIVE_SOURCE                  0x85
+#define CEC_MSG_ROUTING_CHANGE                         0x80
+#define CEC_MSG_ROUTING_INFORMATION                    0x81
+#define CEC_MSG_SET_STREAM_PATH                                0x86
+
+
+/* Standby Feature */
+#define CEC_MSG_STANDBY                                        0x36
+
+
+/* One Touch Record Feature */
+#define CEC_MSG_RECORD_OFF                             0x0b
+#define CEC_MSG_RECORD_ON                              0x09
+/* Record Source Type Operand (rec_src_type) */
+#define CEC_OP_RECORD_SRC_OWN                          1
+#define CEC_OP_RECORD_SRC_DIGITAL                      2
+#define CEC_OP_RECORD_SRC_ANALOG                       3
+#define CEC_OP_RECORD_SRC_EXT_PLUG                     4
+#define CEC_OP_RECORD_SRC_EXT_PHYS_ADDR                        5
+/* Service Identification Method Operand (service_id_method) */
+#define CEC_OP_SERVICE_ID_METHOD_BY_DIG_ID             0
+#define CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL            1
+/* Digital Service Broadcast System Operand (dig_bcast_system) */
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_GEN       0x00
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN       0x01
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_GEN                0x02
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_BS                0x08
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_CS                0x09
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ARIB_T         0x0a
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE     0x10
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT       0x11
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T         0x12
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_C          0x18
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S          0x19
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_S2         0x1a
+#define CEC_OP_DIG_SERVICE_BCAST_SYSTEM_DVB_T          0x1b
+/* Analogue Broadcast Type Operand (ana_bcast_type) */
+#define CEC_OP_ANA_BCAST_TYPE_CABLE                    0
+#define CEC_OP_ANA_BCAST_TYPE_SATELLITE                        1
+#define CEC_OP_ANA_BCAST_TYPE_TERRESTRIAL              2
+/* Broadcast System Operand (bcast_system) */
+#define CEC_OP_BCAST_SYSTEM_PAL_BG                     0x00
+#define CEC_OP_BCAST_SYSTEM_SECAM_LQ                   0x01 /* SECAM L' */
+#define CEC_OP_BCAST_SYSTEM_PAL_M                      0x02
+#define CEC_OP_BCAST_SYSTEM_NTSC_M                     0x03
+#define CEC_OP_BCAST_SYSTEM_PAL_I                      0x04
+#define CEC_OP_BCAST_SYSTEM_SECAM_DK                   0x05
+#define CEC_OP_BCAST_SYSTEM_SECAM_BG                   0x06
+#define CEC_OP_BCAST_SYSTEM_SECAM_L                    0x07
+#define CEC_OP_BCAST_SYSTEM_PAL_DK                     0x08
+#define CEC_OP_BCAST_SYSTEM_OTHER                      0x1f
+/* Channel Number Format Operand (channel_number_fmt) */
+#define CEC_OP_CHANNEL_NUMBER_FMT_1_PART               0x01
+#define CEC_OP_CHANNEL_NUMBER_FMT_2_PART               0x02
+
+#define CEC_MSG_RECORD_STATUS                          0x0a
+/* Record Status Operand (rec_status) */
+#define CEC_OP_RECORD_STATUS_CUR_SRC                   0x01
+#define CEC_OP_RECORD_STATUS_DIG_SERVICE               0x02
+#define CEC_OP_RECORD_STATUS_ANA_SERVICE               0x03
+#define CEC_OP_RECORD_STATUS_EXT_INPUT                 0x04
+#define CEC_OP_RECORD_STATUS_NO_DIG_SERVICE            0x05
+#define CEC_OP_RECORD_STATUS_NO_ANA_SERVICE            0x06
+#define CEC_OP_RECORD_STATUS_NO_SERVICE                        0x07
+#define CEC_OP_RECORD_STATUS_INVALID_EXT_PLUG          0x09
+#define CEC_OP_RECORD_STATUS_INVALID_EXT_PHYS_ADDR     0x0a
+#define CEC_OP_RECORD_STATUS_UNSUP_CA                  0x0b
+#define CEC_OP_RECORD_STATUS_NO_CA_ENTITLEMENTS                0x0c
+#define CEC_OP_RECORD_STATUS_CANT_COPY_SRC             0x0d
+#define CEC_OP_RECORD_STATUS_NO_MORE_COPIES            0x0e
+#define CEC_OP_RECORD_STATUS_NO_MEDIA                  0x10
+#define CEC_OP_RECORD_STATUS_PLAYING                   0x11
+#define CEC_OP_RECORD_STATUS_ALREADY_RECORDING         0x12
+#define CEC_OP_RECORD_STATUS_MEDIA_PROT                        0x13
+#define CEC_OP_RECORD_STATUS_NO_SIGNAL                 0x14
+#define CEC_OP_RECORD_STATUS_MEDIA_PROBLEM             0x15
+#define CEC_OP_RECORD_STATUS_NO_SPACE                  0x16
+#define CEC_OP_RECORD_STATUS_PARENTAL_LOCK             0x17
+#define CEC_OP_RECORD_STATUS_TERMINATED_OK             0x1a
+#define CEC_OP_RECORD_STATUS_ALREADY_TERM              0x1b
+#define CEC_OP_RECORD_STATUS_OTHER                     0x1f
+
+#define CEC_MSG_RECORD_TV_SCREEN                       0x0f
+
+
+/* Timer Programming Feature */
+#define CEC_MSG_CLEAR_ANALOGUE_TIMER                   0x33
+/* Recording Sequence Operand (recording_seq) */
+#define CEC_OP_REC_SEQ_SUNDAY                          0x01
+#define CEC_OP_REC_SEQ_MONDAY                          0x02
+#define CEC_OP_REC_SEQ_TUESDAY                         0x04
+#define CEC_OP_REC_SEQ_WEDNESDAY                       0x08
+#define CEC_OP_REC_SEQ_THURSDAY                                0x10
+#define CEC_OP_REC_SEQ_FRIDAY                          0x20
+#define CEC_OP_REC_SEQ_SATERDAY                                0x40
+#define CEC_OP_REC_SEQ_ONCE_ONLY                       0x00
+
+#define CEC_MSG_CLEAR_DIGITAL_TIMER                    0x99
+
+#define CEC_MSG_CLEAR_EXT_TIMER                                0xa1
+/* External Source Specifier Operand (ext_src_spec) */
+#define CEC_OP_EXT_SRC_PLUG                            0x04
+#define CEC_OP_EXT_SRC_PHYS_ADDR                       0x05
+
+#define CEC_MSG_SET_ANALOGUE_TIMER                     0x34
+#define CEC_MSG_SET_DIGITAL_TIMER                      0x97
+#define CEC_MSG_SET_EXT_TIMER                          0xa2
+
+#define CEC_MSG_SET_TIMER_PROGRAM_TITLE                        0x67
+#define CEC_MSG_TIMER_CLEARED_STATUS                   0x43
+/* Timer Cleared Status Data Operand (timer_cleared_status) */
+#define CEC_OP_TIMER_CLR_STAT_RECORDING                        0x00
+#define CEC_OP_TIMER_CLR_STAT_NO_MATCHING              0x01
+#define CEC_OP_TIMER_CLR_STAT_NO_INFO                  0x02
+#define CEC_OP_TIMER_CLR_STAT_CLEARED                  0x80
+
+#define CEC_MSG_TIMER_STATUS                           0x35
+/* Timer Overlap Warning Operand (timer_overlap_warning) */
+#define CEC_OP_TIMER_OVERLAP_WARNING_NO_OVERLAP                0
+#define CEC_OP_TIMER_OVERLAP_WARNING_OVERLAP           1
+/* Media Info Operand (media_info) */
+#define CEC_OP_MEDIA_INFO_UNPROT_MEDIA                 0
+#define CEC_OP_MEDIA_INFO_PROT_MEDIA                   1
+#define CEC_OP_MEDIA_INFO_NO_MEDIA                     2
+/* Programmed Indicator Operand (prog_indicator) */
+#define CEC_OP_PROG_IND_NOT_PROGRAMMED                 0
+#define CEC_OP_PROG_IND_PROGRAMMED                     1
+/* Programmed Info Operand (prog_info) */
+#define CEC_OP_PROG_INFO_ENOUGH_SPACE                  0x08
+#define CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE              0x09
+#define CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE     0x0b
+#define CEC_OP_PROG_INFO_NONE_AVAILABLE                        0x0a
+/* Not Programmed Error Info Operand (prog_error) */
+#define CEC_OP_PROG_ERROR_NO_FREE_TIMER                        0x01
+#define CEC_OP_PROG_ERROR_DATE_OUT_OF_RANGE            0x02
+#define CEC_OP_PROG_ERROR_REC_SEQ_ERROR                        0x03
+#define CEC_OP_PROG_ERROR_INV_EXT_PLUG                 0x04
+#define CEC_OP_PROG_ERROR_INV_EXT_PHYS_ADDR            0x05
+#define CEC_OP_PROG_ERROR_CA_UNSUPP                    0x06
+#define CEC_OP_PROG_ERROR_INSUF_CA_ENTITLEMENTS                0x07
+#define CEC_OP_PROG_ERROR_RESOLUTION_UNSUPP            0x08
+#define CEC_OP_PROG_ERROR_PARENTAL_LOCK                        0x09
+#define CEC_OP_PROG_ERROR_CLOCK_FAILURE                        0x0a
+#define CEC_OP_PROG_ERROR_DUPLICATE                    0x0e
+
+
+/* System Information Feature */
+#define CEC_MSG_CEC_VERSION                            0x9e
+/* CEC Version Operand (cec_version) */
+#define CEC_OP_CEC_VERSION_1_3A                                4
+#define CEC_OP_CEC_VERSION_1_4                         5
+#define CEC_OP_CEC_VERSION_2_0                         6
+
+#define CEC_MSG_GET_CEC_VERSION                                0x9f
+#define CEC_MSG_GIVE_PHYSICAL_ADDR                     0x83
+#define CEC_MSG_GET_MENU_LANGUAGE                      0x91
+#define CEC_MSG_REPORT_PHYSICAL_ADDR                   0x84
+/* Primary Device Type Operand (prim_devtype) */
+#define CEC_OP_PRIM_DEVTYPE_TV                         0
+#define CEC_OP_PRIM_DEVTYPE_RECORD                     1
+#define CEC_OP_PRIM_DEVTYPE_TUNER                      3
+#define CEC_OP_PRIM_DEVTYPE_PLAYBACK                   4
+#define CEC_OP_PRIM_DEVTYPE_AUDIOSYSTEM                        5
+#define CEC_OP_PRIM_DEVTYPE_SWITCH                     6
+#define CEC_OP_PRIM_DEVTYPE_PROCESSOR                  7
+
+#define CEC_MSG_SET_MENU_LANGUAGE                      0x32
+#define CEC_MSG_REPORT_FEATURES                                0xa6    /* HDMI 2.0 */
+/* All Device Types Operand (all_device_types) */
+#define CEC_OP_ALL_DEVTYPE_TV                          0x80
+#define CEC_OP_ALL_DEVTYPE_RECORD                      0x40
+#define CEC_OP_ALL_DEVTYPE_TUNER                       0x20
+#define CEC_OP_ALL_DEVTYPE_PLAYBACK                    0x10
+#define CEC_OP_ALL_DEVTYPE_AUDIOSYSTEM                 0x08
+#define CEC_OP_ALL_DEVTYPE_SWITCH                      0x04
+/*
+ * And if you wondering what happened to PROCESSOR devices: those should
+ * be mapped to a SWITCH.
+ */
+
+/* Valid for RC Profile and Device Feature operands */
+#define CEC_OP_FEAT_EXT                                        0x80    /* Extension bit */
+/* RC Profile Operand (rc_profile) */
+#define CEC_OP_FEAT_RC_TV_PROFILE_NONE                 0x00
+#define CEC_OP_FEAT_RC_TV_PROFILE_1                    0x02
+#define CEC_OP_FEAT_RC_TV_PROFILE_2                    0x06
+#define CEC_OP_FEAT_RC_TV_PROFILE_3                    0x0a
+#define CEC_OP_FEAT_RC_TV_PROFILE_4                    0x0e
+#define CEC_OP_FEAT_RC_SRC_HAS_DEV_ROOT_MENU           0x50
+#define CEC_OP_FEAT_RC_SRC_HAS_DEV_SETUP_MENU          0x48
+#define CEC_OP_FEAT_RC_SRC_HAS_CONTENTS_MENU           0x44
+#define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_TOP_MENU          0x42
+#define CEC_OP_FEAT_RC_SRC_HAS_MEDIA_CONTEXT_MENU      0x41
+/* Device Feature Operand (dev_features) */
+#define CEC_OP_FEAT_DEV_HAS_RECORD_TV_SCREEN           0x40
+#define CEC_OP_FEAT_DEV_HAS_SET_OSD_STRING             0x20
+#define CEC_OP_FEAT_DEV_HAS_DECK_CONTROL               0x10
+#define CEC_OP_FEAT_DEV_HAS_SET_AUDIO_RATE             0x08
+#define CEC_OP_FEAT_DEV_SINK_HAS_ARC_TX                        0x04
+#define CEC_OP_FEAT_DEV_SOURCE_HAS_ARC_RX              0x02
+
+#define CEC_MSG_GIVE_FEATURES                          0xa5    /* HDMI 2.0 */
+
+
+/* Deck Control Feature */
+#define CEC_MSG_DECK_CONTROL                           0x42
+/* Deck Control Mode Operand (deck_control_mode) */
+#define CEC_OP_DECK_CTL_MODE_SKIP_FWD                  1
+#define CEC_OP_DECK_CTL_MODE_SKIP_REV                  2
+#define CEC_OP_DECK_CTL_MODE_STOP                      3
+#define CEC_OP_DECK_CTL_MODE_EJECT                     4
+
+#define CEC_MSG_DECK_STATUS                            0x1b
+/* Deck Info Operand (deck_info) */
+#define CEC_OP_DECK_INFO_PLAY                          0x11
+#define CEC_OP_DECK_INFO_RECORD                                0x12
+#define CEC_OP_DECK_INFO_PLAY_REV                      0x13
+#define CEC_OP_DECK_INFO_STILL                         0x14
+#define CEC_OP_DECK_INFO_SLOW                          0x15
+#define CEC_OP_DECK_INFO_SLOW_REV                      0x16
+#define CEC_OP_DECK_INFO_FAST_FWD                      0x17
+#define CEC_OP_DECK_INFO_FAST_REV                      0x18
+#define CEC_OP_DECK_INFO_NO_MEDIA                      0x19
+#define CEC_OP_DECK_INFO_STOP                          0x1a
+#define CEC_OP_DECK_INFO_SKIP_FWD                      0x1b
+#define CEC_OP_DECK_INFO_SKIP_REV                      0x1c
+#define CEC_OP_DECK_INFO_INDEX_SEARCH_FWD              0x1d
+#define CEC_OP_DECK_INFO_INDEX_SEARCH_REV              0x1e
+#define CEC_OP_DECK_INFO_OTHER                         0x1f
+
+#define CEC_MSG_GIVE_DECK_STATUS                       0x1a
+/* Status Request Operand (status_req) */
+#define CEC_OP_STATUS_REQ_ON                           1
+#define CEC_OP_STATUS_REQ_OFF                          2
+#define CEC_OP_STATUS_REQ_ONCE                         3
+
+#define CEC_MSG_PLAY                                   0x41
+/* Play Mode Operand (play_mode) */
+#define CEC_OP_PLAY_MODE_PLAY_FWD                      0x24
+#define CEC_OP_PLAY_MODE_PLAY_REV                      0x20
+#define CEC_OP_PLAY_MODE_PLAY_STILL                    0x25
+#define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MIN             0x05
+#define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MED             0x06
+#define CEC_OP_PLAY_MODE_PLAY_FAST_FWD_MAX             0x07
+#define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MIN             0x09
+#define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MED             0x0a
+#define CEC_OP_PLAY_MODE_PLAY_FAST_REV_MAX             0x0b
+#define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MIN             0x15
+#define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MED             0x16
+#define CEC_OP_PLAY_MODE_PLAY_SLOW_FWD_MAX             0x17
+#define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MIN             0x19
+#define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MED             0x1a
+#define CEC_OP_PLAY_MODE_PLAY_SLOW_REV_MAX             0x1b
+
+
+/* Tuner Control Feature */
+#define CEC_MSG_GIVE_TUNER_DEVICE_STATUS               0x08
+#define CEC_MSG_SELECT_ANALOGUE_SERVICE                        0x92
+#define CEC_MSG_SELECT_DIGITAL_SERVICE                 0x93
+#define CEC_MSG_TUNER_DEVICE_STATUS                    0x07
+/* Recording Flag Operand (rec_flag) */
+#define CEC_OP_REC_FLAG_USED                           0
+#define CEC_OP_REC_FLAG_NOT_USED                       1
+/* Tuner Display Info Operand (tuner_display_info) */
+#define CEC_OP_TUNER_DISPLAY_INFO_DIGITAL              0
+#define CEC_OP_TUNER_DISPLAY_INFO_NONE                 1
+#define CEC_OP_TUNER_DISPLAY_INFO_ANALOGUE             2
+
+#define CEC_MSG_TUNER_STEP_DECREMENT                   0x06
+#define CEC_MSG_TUNER_STEP_INCREMENT                   0x05
+
+
+/* Vendor Specific Commands Feature */
+
+/*
+ * Has also:
+ *     CEC_MSG_CEC_VERSION
+ *     CEC_MSG_GET_CEC_VERSION
+ */
+#define CEC_MSG_DEVICE_VENDOR_ID                       0x87
+#define CEC_MSG_GIVE_DEVICE_VENDOR_ID                  0x8c
+#define CEC_MSG_VENDOR_COMMAND                         0x89
+#define CEC_MSG_VENDOR_COMMAND_WITH_ID                 0xa0
+#define CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN              0x8a
+#define CEC_MSG_VENDOR_REMOTE_BUTTON_UP                        0x8b
+
+
+/* OSD Display Feature */
+#define CEC_MSG_SET_OSD_STRING                         0x64
+/* Display Control Operand (disp_ctl) */
+#define CEC_OP_DISP_CTL_DEFAULT                                0x00
+#define CEC_OP_DISP_CTL_UNTIL_CLEARED                  0x40
+#define CEC_OP_DISP_CTL_CLEAR                          0x80
+
+
+/* Device OSD Transfer Feature */
+#define CEC_MSG_GIVE_OSD_NAME                          0x46
+#define CEC_MSG_SET_OSD_NAME                           0x47
+
+
+/* Device Menu Control Feature */
+#define CEC_MSG_MENU_REQUEST                           0x8d
+/* Menu Request Type Operand (menu_req) */
+#define CEC_OP_MENU_REQUEST_ACTIVATE                   0x00
+#define CEC_OP_MENU_REQUEST_DEACTIVATE                 0x01
+#define CEC_OP_MENU_REQUEST_QUERY                      0x02
+
+#define CEC_MSG_MENU_STATUS                            0x8e
+/* Menu State Operand (menu_state) */
+#define CEC_OP_MENU_STATE_ACTIVATED                    0x00
+#define CEC_OP_MENU_STATE_DEACTIVATED                  0x01
+
+#define CEC_MSG_USER_CONTROL_PRESSED                   0x44
+/* UI Broadcast Type Operand (ui_bcast_type) */
+#define CEC_OP_UI_BCAST_TYPE_TOGGLE_ALL                        0x00
+#define CEC_OP_UI_BCAST_TYPE_TOGGLE_DIG_ANA            0x01
+#define CEC_OP_UI_BCAST_TYPE_ANALOGUE                  0x10
+#define CEC_OP_UI_BCAST_TYPE_ANALOGUE_T                        0x20
+#define CEC_OP_UI_BCAST_TYPE_ANALOGUE_CABLE            0x30
+#define CEC_OP_UI_BCAST_TYPE_ANALOGUE_SAT              0x40
+#define CEC_OP_UI_BCAST_TYPE_DIGITAL                   0x50
+#define CEC_OP_UI_BCAST_TYPE_DIGITAL_T                 0x60
+#define CEC_OP_UI_BCAST_TYPE_DIGITAL_CABLE             0x70
+#define CEC_OP_UI_BCAST_TYPE_DIGITAL_SAT               0x80
+#define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT           0x90
+#define CEC_OP_UI_BCAST_TYPE_DIGITAL_COM_SAT2          0x91
+#define CEC_OP_UI_BCAST_TYPE_IP                                0xa0
+/* UI Sound Presentation Control Operand (ui_snd_pres_ctl) */
+#define CEC_OP_UI_SND_PRES_CTL_DUAL_MONO               0x10
+#define CEC_OP_UI_SND_PRES_CTL_KARAOKE                 0x20
+#define CEC_OP_UI_SND_PRES_CTL_DOWNMIX                 0x80
+#define CEC_OP_UI_SND_PRES_CTL_REVERB                  0x90
+#define CEC_OP_UI_SND_PRES_CTL_EQUALIZER               0xa0
+#define CEC_OP_UI_SND_PRES_CTL_BASS_UP                 0xb1
+#define CEC_OP_UI_SND_PRES_CTL_BASS_NEUTRAL            0xb2
+#define CEC_OP_UI_SND_PRES_CTL_BASS_DOWN               0xb3
+#define CEC_OP_UI_SND_PRES_CTL_TREBLE_UP               0xc1
+#define CEC_OP_UI_SND_PRES_CTL_TREBLE_NEUTRAL          0xc2
+#define CEC_OP_UI_SND_PRES_CTL_TREBLE_DOWN             0xc3
+
+#define CEC_MSG_USER_CONTROL_RELEASED                  0x45
+
+
+/* Remote Control Passthrough Feature */
+
+/*
+ * Has also:
+ *     CEC_MSG_USER_CONTROL_PRESSED
+ *     CEC_MSG_USER_CONTROL_RELEASED
+ */
+
+
+/* Power Status Feature */
+#define CEC_MSG_GIVE_DEVICE_POWER_STATUS               0x8f
+#define CEC_MSG_REPORT_POWER_STATUS                    0x90
+/* Power Status Operand (pwr_state) */
+#define CEC_OP_POWER_STATUS_ON                         0
+#define CEC_OP_POWER_STATUS_STANDBY                    1
+#define CEC_OP_POWER_STATUS_TO_ON                      2
+#define CEC_OP_POWER_STATUS_TO_STANDBY                 3
+
+
+/* General Protocol Messages */
+#define CEC_MSG_FEATURE_ABORT                          0x00
+/* Abort Reason Operand (reason) */
+#define CEC_OP_ABORT_UNRECOGNIZED_OP                   0
+#define CEC_OP_ABORT_INCORRECT_MODE                    1
+#define CEC_OP_ABORT_NO_SOURCE                         2
+#define CEC_OP_ABORT_INVALID_OP                                3
+#define CEC_OP_ABORT_REFUSED                           4
+#define CEC_OP_ABORT_UNDETERMINED                      5
+
+#define CEC_MSG_ABORT                                  0xff
+
+
+/* System Audio Control Feature */
+
+/*
+ * Has also:
+ *     CEC_MSG_USER_CONTROL_PRESSED
+ *     CEC_MSG_USER_CONTROL_RELEASED
+ */
+#define CEC_MSG_GIVE_AUDIO_STATUS                      0x71
+#define CEC_MSG_GIVE_SYSTEM_AUDIO_MODE_STATUS          0x7d
+#define CEC_MSG_REPORT_AUDIO_STATUS                    0x7a
+/* Audio Mute Status Operand (aud_mute_status) */
+#define CEC_OP_AUD_MUTE_STATUS_OFF                     0
+#define CEC_OP_AUD_MUTE_STATUS_ON                      1
+
+#define CEC_MSG_REPORT_SHORT_AUDIO_DESCRIPTOR          0xa3
+#define CEC_MSG_REQUEST_SHORT_AUDIO_DESCRIPTOR         0xa4
+#define CEC_MSG_SET_SYSTEM_AUDIO_MODE                  0x72
+/* System Audio Status Operand (sys_aud_status) */
+#define CEC_OP_SYS_AUD_STATUS_OFF                      0
+#define CEC_OP_SYS_AUD_STATUS_ON                       1
+
+#define CEC_MSG_SYSTEM_AUDIO_MODE_REQUEST              0x70
+#define CEC_MSG_SYSTEM_AUDIO_MODE_STATUS               0x7e
+/* Audio Format ID Operand (audio_format_id) */
+#define CEC_OP_AUD_FMT_ID_CEA861                       0
+#define CEC_OP_AUD_FMT_ID_CEA861_CXT                   1
+
+
+/* Audio Rate Control Feature */
+#define CEC_MSG_SET_AUDIO_RATE                         0x9a
+/* Audio Rate Operand (audio_rate) */
+#define CEC_OP_AUD_RATE_OFF                            0
+#define CEC_OP_AUD_RATE_WIDE_STD                       1
+#define CEC_OP_AUD_RATE_WIDE_FAST                      2
+#define CEC_OP_AUD_RATE_WIDE_SLOW                      3
+#define CEC_OP_AUD_RATE_NARROW_STD                     4
+#define CEC_OP_AUD_RATE_NARROW_FAST                    5
+#define CEC_OP_AUD_RATE_NARROW_SLOW                    6
+
+
+/* Audio Return Channel Control Feature */
+#define CEC_MSG_INITIATE_ARC                           0xc0
+#define CEC_MSG_REPORT_ARC_INITIATED                   0xc1
+#define CEC_MSG_REPORT_ARC_TERMINATED                  0xc2
+#define CEC_MSG_REQUEST_ARC_INITIATION                 0xc3
+#define CEC_MSG_REQUEST_ARC_TERMINATION                        0xc4
+#define CEC_MSG_TERMINATE_ARC                          0xc5
+
+
+/* Dynamic Audio Lipsync Feature */
+/* Only for CEC 2.0 and up */
+#define CEC_MSG_REQUEST_CURRENT_LATENCY                        0xa7
+#define CEC_MSG_REPORT_CURRENT_LATENCY                 0xa8
+/* Low Latency Mode Operand (low_latency_mode) */
+#define CEC_OP_LOW_LATENCY_MODE_OFF                    0
+#define CEC_OP_LOW_LATENCY_MODE_ON                     1
+/* Audio Output Compensated Operand (audio_out_compensated) */
+#define CEC_OP_AUD_OUT_COMPENSATED_NA                  0
+#define CEC_OP_AUD_OUT_COMPENSATED_DELAY               1
+#define CEC_OP_AUD_OUT_COMPENSATED_NO_DELAY            2
+#define CEC_OP_AUD_OUT_COMPENSATED_PARTIAL_DELAY       3
+
+
+/* Capability Discovery and Control Feature */
+#define CEC_MSG_CDC_MESSAGE                            0xf8
+/* Ethernet-over-HDMI: nobody ever does this... */
+#define CEC_MSG_CDC_HEC_INQUIRE_STATE                  0x00
+#define CEC_MSG_CDC_HEC_REPORT_STATE                   0x01
+/* HEC Functionality State Operand (hec_func_state) */
+#define CEC_OP_HEC_FUNC_STATE_NOT_SUPPORTED            0
+#define CEC_OP_HEC_FUNC_STATE_INACTIVE                 1
+#define CEC_OP_HEC_FUNC_STATE_ACTIVE                   2
+#define CEC_OP_HEC_FUNC_STATE_ACTIVATION_FIELD         3
+/* Host Functionality State Operand (host_func_state) */
+#define CEC_OP_HOST_FUNC_STATE_NOT_SUPPORTED           0
+#define CEC_OP_HOST_FUNC_STATE_INACTIVE                        1
+#define CEC_OP_HOST_FUNC_STATE_ACTIVE                  2
+/* ENC Functionality State Operand (enc_func_state) */
+#define CEC_OP_ENC_FUNC_STATE_EXT_CON_NOT_SUPPORTED    0
+#define CEC_OP_ENC_FUNC_STATE_EXT_CON_INACTIVE         1
+#define CEC_OP_ENC_FUNC_STATE_EXT_CON_ACTIVE           2
+/* CDC Error Code Operand (cdc_errcode) */
+#define CEC_OP_CDC_ERROR_CODE_NONE                     0
+#define CEC_OP_CDC_ERROR_CODE_CAP_UNSUPPORTED          1
+#define CEC_OP_CDC_ERROR_CODE_WRONG_STATE              2
+#define CEC_OP_CDC_ERROR_CODE_OTHER                    3
+/* HEC Support Operand (hec_support) */
+#define CEC_OP_HEC_SUPPORT_NO                          0
+#define CEC_OP_HEC_SUPPORT_YES                         1
+/* HEC Activation Operand (hec_activation) */
+#define CEC_OP_HEC_ACTIVATION_ON                       0
+#define CEC_OP_HEC_ACTIVATION_OFF                      1
+
+#define CEC_MSG_CDC_HEC_SET_STATE_ADJACENT             0x02
+#define CEC_MSG_CDC_HEC_SET_STATE                      0x03
+/* HEC Set State Operand (hec_set_state) */
+#define CEC_OP_HEC_SET_STATE_DEACTIVATE                        0
+#define CEC_OP_HEC_SET_STATE_ACTIVATE                  1
+
+#define CEC_MSG_CDC_HEC_REQUEST_DEACTIVATION           0x04
+#define CEC_MSG_CDC_HEC_NOTIFY_ALIVE                   0x05
+#define CEC_MSG_CDC_HEC_DISCOVER                       0x06
+/* Hotplug Detect messages */
+#define CEC_MSG_CDC_HPD_SET_STATE                      0x10
+/* HPD State Operand (hpd_state) */
+#define CEC_OP_HPD_STATE_CP_EDID_DISABLE               0
+#define CEC_OP_HPD_STATE_CP_EDID_ENABLE                        1
+#define CEC_OP_HPD_STATE_CP_EDID_DISABLE_ENABLE                2
+#define CEC_OP_HPD_STATE_EDID_DISABLE                  3
+#define CEC_OP_HPD_STATE_EDID_ENABLE                   4
+#define CEC_OP_HPD_STATE_EDID_DISABLE_ENABLE           5
+#define CEC_MSG_CDC_HPD_REPORT_STATE                   0x11
+/* HPD Error Code Operand (hpd_error) */
+#define CEC_OP_HPD_ERROR_NONE                          0
+#define CEC_OP_HPD_ERROR_INITIATOR_NOT_CAPABLE         1
+#define CEC_OP_HPD_ERROR_INITIATOR_WRONG_STATE         2
+#define CEC_OP_HPD_ERROR_OTHER                         3
+#define CEC_OP_HPD_ERROR_NONE_NO_VIDEO                 4
+
+#endif