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1942 lines (1751 loc) · 51.7 KB
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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
/*
* cec - HDMI Consumer Electronics Control message functions
*
* Copyright 2016 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
#ifndef _CEC_UAPI_FUNCS_H
#define _CEC_UAPI_FUNCS_H
#include <linux/cec.h>
/* One Touch Play Feature */
static inline void cec_msg_active_source(struct cec_msg *msg, __u16 phys_addr)
{
msg->len = 4;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_ACTIVE_SOURCE;
msg->msg[2] = phys_addr >> 8;
msg->msg[3] = phys_addr & 0xff;
}
static inline void cec_ops_active_source(const struct cec_msg *msg,
__u16 *phys_addr)
{
*phys_addr = (msg->msg[2] << 8) | msg->msg[3];
}
static inline void cec_msg_image_view_on(struct cec_msg *msg)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_IMAGE_VIEW_ON;
}
static inline void cec_msg_text_view_on(struct cec_msg *msg)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_TEXT_VIEW_ON;
}
/* Routing Control Feature */
static inline void cec_msg_inactive_source(struct cec_msg *msg,
__u16 phys_addr)
{
msg->len = 4;
msg->msg[1] = CEC_MSG_INACTIVE_SOURCE;
msg->msg[2] = phys_addr >> 8;
msg->msg[3] = phys_addr & 0xff;
}
static inline void cec_ops_inactive_source(const struct cec_msg *msg,
__u16 *phys_addr)
{
*phys_addr = (msg->msg[2] << 8) | msg->msg[3];
}
static inline void cec_msg_request_active_source(struct cec_msg *msg,
int reply)
{
msg->len = 2;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_REQUEST_ACTIVE_SOURCE;
msg->reply = reply ? CEC_MSG_ACTIVE_SOURCE : 0;
}
static inline void cec_msg_routing_information(struct cec_msg *msg,
__u16 phys_addr)
{
msg->len = 4;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_ROUTING_INFORMATION;
msg->msg[2] = phys_addr >> 8;
msg->msg[3] = phys_addr & 0xff;
}
static inline void cec_ops_routing_information(const struct cec_msg *msg,
__u16 *phys_addr)
{
*phys_addr = (msg->msg[2] << 8) | msg->msg[3];
}
static inline void cec_msg_routing_change(struct cec_msg *msg,
int reply,
__u16 orig_phys_addr,
__u16 new_phys_addr)
{
msg->len = 6;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_ROUTING_CHANGE;
msg->msg[2] = orig_phys_addr >> 8;
msg->msg[3] = orig_phys_addr & 0xff;
msg->msg[4] = new_phys_addr >> 8;
msg->msg[5] = new_phys_addr & 0xff;
msg->reply = reply ? CEC_MSG_ROUTING_INFORMATION : 0;
}
static inline void cec_ops_routing_change(const struct cec_msg *msg,
__u16 *orig_phys_addr,
__u16 *new_phys_addr)
{
*orig_phys_addr = (msg->msg[2] << 8) | msg->msg[3];
*new_phys_addr = (msg->msg[4] << 8) | msg->msg[5];
}
static inline void cec_msg_set_stream_path(struct cec_msg *msg, __u16 phys_addr)
{
msg->len = 4;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_SET_STREAM_PATH;
msg->msg[2] = phys_addr >> 8;
msg->msg[3] = phys_addr & 0xff;
}
static inline void cec_ops_set_stream_path(const struct cec_msg *msg,
__u16 *phys_addr)
{
*phys_addr = (msg->msg[2] << 8) | msg->msg[3];
}
/* Standby Feature */
static inline void cec_msg_standby(struct cec_msg *msg)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_STANDBY;
}
/* One Touch Record Feature */
static inline void cec_msg_record_off(struct cec_msg *msg, int reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_RECORD_OFF;
msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
}
struct cec_op_arib_data {
__u16 transport_id;
__u16 service_id;
__u16 orig_network_id;
};
struct cec_op_atsc_data {
__u16 transport_id;
__u16 program_number;
};
struct cec_op_dvb_data {
__u16 transport_id;
__u16 service_id;
__u16 orig_network_id;
};
struct cec_op_channel_data {
__u8 channel_number_fmt;
__u16 major;
__u16 minor;
};
struct cec_op_digital_service_id {
__u8 service_id_method;
__u8 dig_bcast_system;
union {
struct cec_op_arib_data arib;
struct cec_op_atsc_data atsc;
struct cec_op_dvb_data dvb;
struct cec_op_channel_data channel;
};
};
struct cec_op_record_src {
__u8 type;
union {
struct cec_op_digital_service_id digital;
struct {
__u8 ana_bcast_type;
__u16 ana_freq;
__u8 bcast_system;
} analog;
struct {
__u8 plug;
} ext_plug;
struct {
__u16 phys_addr;
} ext_phys_addr;
};
};
static inline void cec_set_digital_service_id(__u8 *msg,
const struct cec_op_digital_service_id *digital)
{
*msg++ = (digital->service_id_method << 7) | digital->dig_bcast_system;
if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
*msg++ = (digital->channel.channel_number_fmt << 2) |
(digital->channel.major >> 8);
*msg++ = digital->channel.major & 0xff;
*msg++ = digital->channel.minor >> 8;
*msg++ = digital->channel.minor & 0xff;
*msg++ = 0;
*msg++ = 0;
return;
}
switch (digital->dig_bcast_system) {
case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_GEN:
case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_CABLE:
case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_SAT:
case CEC_OP_DIG_SERVICE_BCAST_SYSTEM_ATSC_T:
*msg++ = digital->atsc.transport_id >> 8;
*msg++ = digital->atsc.transport_id & 0xff;
*msg++ = digital->atsc.program_number >> 8;
*msg++ = digital->atsc.program_number & 0xff;
*msg++ = 0;
*msg++ = 0;
break;
default:
*msg++ = digital->dvb.transport_id >> 8;
*msg++ = digital->dvb.transport_id & 0xff;
*msg++ = digital->dvb.service_id >> 8;
*msg++ = digital->dvb.service_id & 0xff;
*msg++ = digital->dvb.orig_network_id >> 8;
*msg++ = digital->dvb.orig_network_id & 0xff;
break;
}
}
static inline void cec_get_digital_service_id(const __u8 *msg,
struct cec_op_digital_service_id *digital)
{
digital->service_id_method = msg[0] >> 7;
digital->dig_bcast_system = msg[0] & 0x7f;
if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) {
digital->channel.channel_number_fmt = msg[1] >> 2;
digital->channel.major = ((msg[1] & 3) << 6) | msg[2];
digital->channel.minor = (msg[3] << 8) | msg[4];
return;
}
digital->dvb.transport_id = (msg[1] << 8) | msg[2];
digital->dvb.service_id = (msg[3] << 8) | msg[4];
digital->dvb.orig_network_id = (msg[5] << 8) | msg[6];
}
static inline void cec_msg_record_on_own(struct cec_msg *msg)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_RECORD_ON;
msg->msg[2] = CEC_OP_RECORD_SRC_OWN;
}
static inline void cec_msg_record_on_digital(struct cec_msg *msg,
const struct cec_op_digital_service_id *digital)
{
msg->len = 10;
msg->msg[1] = CEC_MSG_RECORD_ON;
msg->msg[2] = CEC_OP_RECORD_SRC_DIGITAL;
cec_set_digital_service_id(msg->msg + 3, digital);
}
static inline void cec_msg_record_on_analog(struct cec_msg *msg,
__u8 ana_bcast_type,
__u16 ana_freq,
__u8 bcast_system)
{
msg->len = 7;
msg->msg[1] = CEC_MSG_RECORD_ON;
msg->msg[2] = CEC_OP_RECORD_SRC_ANALOG;
msg->msg[3] = ana_bcast_type;
msg->msg[4] = ana_freq >> 8;
msg->msg[5] = ana_freq & 0xff;
msg->msg[6] = bcast_system;
}
static inline void cec_msg_record_on_plug(struct cec_msg *msg,
__u8 plug)
{
msg->len = 4;
msg->msg[1] = CEC_MSG_RECORD_ON;
msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PLUG;
msg->msg[3] = plug;
}
static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg,
__u16 phys_addr)
{
msg->len = 5;
msg->msg[1] = CEC_MSG_RECORD_ON;
msg->msg[2] = CEC_OP_RECORD_SRC_EXT_PHYS_ADDR;
msg->msg[3] = phys_addr >> 8;
msg->msg[4] = phys_addr & 0xff;
}
static inline void cec_msg_record_on(struct cec_msg *msg,
int reply,
const struct cec_op_record_src *rec_src)
{
switch (rec_src->type) {
case CEC_OP_RECORD_SRC_OWN:
cec_msg_record_on_own(msg);
break;
case CEC_OP_RECORD_SRC_DIGITAL:
cec_msg_record_on_digital(msg, &rec_src->digital);
break;
case CEC_OP_RECORD_SRC_ANALOG:
cec_msg_record_on_analog(msg,
rec_src->analog.ana_bcast_type,
rec_src->analog.ana_freq,
rec_src->analog.bcast_system);
break;
case CEC_OP_RECORD_SRC_EXT_PLUG:
cec_msg_record_on_plug(msg, rec_src->ext_plug.plug);
break;
case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
cec_msg_record_on_phys_addr(msg,
rec_src->ext_phys_addr.phys_addr);
break;
}
msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0;
}
static inline void cec_ops_record_on(const struct cec_msg *msg,
struct cec_op_record_src *rec_src)
{
rec_src->type = msg->msg[2];
switch (rec_src->type) {
case CEC_OP_RECORD_SRC_OWN:
break;
case CEC_OP_RECORD_SRC_DIGITAL:
cec_get_digital_service_id(msg->msg + 3, &rec_src->digital);
break;
case CEC_OP_RECORD_SRC_ANALOG:
rec_src->analog.ana_bcast_type = msg->msg[3];
rec_src->analog.ana_freq =
(msg->msg[4] << 8) | msg->msg[5];
rec_src->analog.bcast_system = msg->msg[6];
break;
case CEC_OP_RECORD_SRC_EXT_PLUG:
rec_src->ext_plug.plug = msg->msg[3];
break;
case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR:
rec_src->ext_phys_addr.phys_addr =
(msg->msg[3] << 8) | msg->msg[4];
break;
}
}
static inline void cec_msg_record_status(struct cec_msg *msg, __u8 rec_status)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_RECORD_STATUS;
msg->msg[2] = rec_status;
}
static inline void cec_ops_record_status(const struct cec_msg *msg,
__u8 *rec_status)
{
*rec_status = msg->msg[2];
}
static inline void cec_msg_record_tv_screen(struct cec_msg *msg,
int reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_RECORD_TV_SCREEN;
msg->reply = reply ? CEC_MSG_RECORD_ON : 0;
}
/* Timer Programming Feature */
static inline void cec_msg_timer_status(struct cec_msg *msg,
__u8 timer_overlap_warning,
__u8 media_info,
__u8 prog_info,
__u8 prog_error,
__u8 duration_hr,
__u8 duration_min)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_TIMER_STATUS;
msg->msg[2] = (timer_overlap_warning << 7) |
(media_info << 5) |
(prog_info ? 0x10 : 0) |
(prog_info ? prog_info : prog_error);
if (prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
msg->len += 2;
msg->msg[3] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[4] = ((duration_min / 10) << 4) | (duration_min % 10);
}
}
static inline void cec_ops_timer_status(const struct cec_msg *msg,
__u8 *timer_overlap_warning,
__u8 *media_info,
__u8 *prog_info,
__u8 *prog_error,
__u8 *duration_hr,
__u8 *duration_min)
{
*timer_overlap_warning = msg->msg[2] >> 7;
*media_info = (msg->msg[2] >> 5) & 3;
if (msg->msg[2] & 0x10) {
*prog_info = msg->msg[2] & 0xf;
*prog_error = 0;
} else {
*prog_info = 0;
*prog_error = msg->msg[2] & 0xf;
}
if (*prog_info == CEC_OP_PROG_INFO_NOT_ENOUGH_SPACE ||
*prog_info == CEC_OP_PROG_INFO_MIGHT_NOT_BE_ENOUGH_SPACE ||
*prog_error == CEC_OP_PROG_ERROR_DUPLICATE) {
*duration_hr = (msg->msg[3] >> 4) * 10 + (msg->msg[3] & 0xf);
*duration_min = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
} else {
*duration_hr = *duration_min = 0;
}
}
static inline void cec_msg_timer_cleared_status(struct cec_msg *msg,
__u8 timer_cleared_status)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_TIMER_CLEARED_STATUS;
msg->msg[2] = timer_cleared_status;
}
static inline void cec_ops_timer_cleared_status(const struct cec_msg *msg,
__u8 *timer_cleared_status)
{
*timer_cleared_status = msg->msg[2];
}
static inline void cec_msg_clear_analogue_timer(struct cec_msg *msg,
int reply,
__u8 day,
__u8 month,
__u8 start_hr,
__u8 start_min,
__u8 duration_hr,
__u8 duration_min,
__u8 recording_seq,
__u8 ana_bcast_type,
__u16 ana_freq,
__u8 bcast_system)
{
msg->len = 13;
msg->msg[1] = CEC_MSG_CLEAR_ANALOGUE_TIMER;
msg->msg[2] = day;
msg->msg[3] = month;
/* Hours and minutes are in BCD format */
msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
msg->msg[8] = recording_seq;
msg->msg[9] = ana_bcast_type;
msg->msg[10] = ana_freq >> 8;
msg->msg[11] = ana_freq & 0xff;
msg->msg[12] = bcast_system;
msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
}
static inline void cec_ops_clear_analogue_timer(const struct cec_msg *msg,
__u8 *day,
__u8 *month,
__u8 *start_hr,
__u8 *start_min,
__u8 *duration_hr,
__u8 *duration_min,
__u8 *recording_seq,
__u8 *ana_bcast_type,
__u16 *ana_freq,
__u8 *bcast_system)
{
*day = msg->msg[2];
*month = msg->msg[3];
/* Hours and minutes are in BCD format */
*start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
*start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
*duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
*duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
*recording_seq = msg->msg[8];
*ana_bcast_type = msg->msg[9];
*ana_freq = (msg->msg[10] << 8) | msg->msg[11];
*bcast_system = msg->msg[12];
}
static inline void cec_msg_clear_digital_timer(struct cec_msg *msg,
int reply,
__u8 day,
__u8 month,
__u8 start_hr,
__u8 start_min,
__u8 duration_hr,
__u8 duration_min,
__u8 recording_seq,
const struct cec_op_digital_service_id *digital)
{
msg->len = 16;
msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
msg->msg[1] = CEC_MSG_CLEAR_DIGITAL_TIMER;
msg->msg[2] = day;
msg->msg[3] = month;
/* Hours and minutes are in BCD format */
msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
msg->msg[8] = recording_seq;
cec_set_digital_service_id(msg->msg + 9, digital);
}
static inline void cec_ops_clear_digital_timer(const struct cec_msg *msg,
__u8 *day,
__u8 *month,
__u8 *start_hr,
__u8 *start_min,
__u8 *duration_hr,
__u8 *duration_min,
__u8 *recording_seq,
struct cec_op_digital_service_id *digital)
{
*day = msg->msg[2];
*month = msg->msg[3];
/* Hours and minutes are in BCD format */
*start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
*start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
*duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
*duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
*recording_seq = msg->msg[8];
cec_get_digital_service_id(msg->msg + 9, digital);
}
static inline void cec_msg_clear_ext_timer(struct cec_msg *msg,
int reply,
__u8 day,
__u8 month,
__u8 start_hr,
__u8 start_min,
__u8 duration_hr,
__u8 duration_min,
__u8 recording_seq,
__u8 ext_src_spec,
__u8 plug,
__u16 phys_addr)
{
msg->len = 13;
msg->msg[1] = CEC_MSG_CLEAR_EXT_TIMER;
msg->msg[2] = day;
msg->msg[3] = month;
/* Hours and minutes are in BCD format */
msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
msg->msg[8] = recording_seq;
msg->msg[9] = ext_src_spec;
msg->msg[10] = plug;
msg->msg[11] = phys_addr >> 8;
msg->msg[12] = phys_addr & 0xff;
msg->reply = reply ? CEC_MSG_TIMER_CLEARED_STATUS : 0;
}
static inline void cec_ops_clear_ext_timer(const struct cec_msg *msg,
__u8 *day,
__u8 *month,
__u8 *start_hr,
__u8 *start_min,
__u8 *duration_hr,
__u8 *duration_min,
__u8 *recording_seq,
__u8 *ext_src_spec,
__u8 *plug,
__u16 *phys_addr)
{
*day = msg->msg[2];
*month = msg->msg[3];
/* Hours and minutes are in BCD format */
*start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
*start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
*duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
*duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
*recording_seq = msg->msg[8];
*ext_src_spec = msg->msg[9];
*plug = msg->msg[10];
*phys_addr = (msg->msg[11] << 8) | msg->msg[12];
}
static inline void cec_msg_set_analogue_timer(struct cec_msg *msg,
int reply,
__u8 day,
__u8 month,
__u8 start_hr,
__u8 start_min,
__u8 duration_hr,
__u8 duration_min,
__u8 recording_seq,
__u8 ana_bcast_type,
__u16 ana_freq,
__u8 bcast_system)
{
msg->len = 13;
msg->msg[1] = CEC_MSG_SET_ANALOGUE_TIMER;
msg->msg[2] = day;
msg->msg[3] = month;
/* Hours and minutes are in BCD format */
msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
msg->msg[8] = recording_seq;
msg->msg[9] = ana_bcast_type;
msg->msg[10] = ana_freq >> 8;
msg->msg[11] = ana_freq & 0xff;
msg->msg[12] = bcast_system;
msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
}
static inline void cec_ops_set_analogue_timer(const struct cec_msg *msg,
__u8 *day,
__u8 *month,
__u8 *start_hr,
__u8 *start_min,
__u8 *duration_hr,
__u8 *duration_min,
__u8 *recording_seq,
__u8 *ana_bcast_type,
__u16 *ana_freq,
__u8 *bcast_system)
{
*day = msg->msg[2];
*month = msg->msg[3];
/* Hours and minutes are in BCD format */
*start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
*start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
*duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
*duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
*recording_seq = msg->msg[8];
*ana_bcast_type = msg->msg[9];
*ana_freq = (msg->msg[10] << 8) | msg->msg[11];
*bcast_system = msg->msg[12];
}
static inline void cec_msg_set_digital_timer(struct cec_msg *msg,
int reply,
__u8 day,
__u8 month,
__u8 start_hr,
__u8 start_min,
__u8 duration_hr,
__u8 duration_min,
__u8 recording_seq,
const struct cec_op_digital_service_id *digital)
{
msg->len = 16;
msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
msg->msg[1] = CEC_MSG_SET_DIGITAL_TIMER;
msg->msg[2] = day;
msg->msg[3] = month;
/* Hours and minutes are in BCD format */
msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
msg->msg[8] = recording_seq;
cec_set_digital_service_id(msg->msg + 9, digital);
}
static inline void cec_ops_set_digital_timer(const struct cec_msg *msg,
__u8 *day,
__u8 *month,
__u8 *start_hr,
__u8 *start_min,
__u8 *duration_hr,
__u8 *duration_min,
__u8 *recording_seq,
struct cec_op_digital_service_id *digital)
{
*day = msg->msg[2];
*month = msg->msg[3];
/* Hours and minutes are in BCD format */
*start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
*start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
*duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
*duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
*recording_seq = msg->msg[8];
cec_get_digital_service_id(msg->msg + 9, digital);
}
static inline void cec_msg_set_ext_timer(struct cec_msg *msg,
int reply,
__u8 day,
__u8 month,
__u8 start_hr,
__u8 start_min,
__u8 duration_hr,
__u8 duration_min,
__u8 recording_seq,
__u8 ext_src_spec,
__u8 plug,
__u16 phys_addr)
{
msg->len = 13;
msg->msg[1] = CEC_MSG_SET_EXT_TIMER;
msg->msg[2] = day;
msg->msg[3] = month;
/* Hours and minutes are in BCD format */
msg->msg[4] = ((start_hr / 10) << 4) | (start_hr % 10);
msg->msg[5] = ((start_min / 10) << 4) | (start_min % 10);
msg->msg[6] = ((duration_hr / 10) << 4) | (duration_hr % 10);
msg->msg[7] = ((duration_min / 10) << 4) | (duration_min % 10);
msg->msg[8] = recording_seq;
msg->msg[9] = ext_src_spec;
msg->msg[10] = plug;
msg->msg[11] = phys_addr >> 8;
msg->msg[12] = phys_addr & 0xff;
msg->reply = reply ? CEC_MSG_TIMER_STATUS : 0;
}
static inline void cec_ops_set_ext_timer(const struct cec_msg *msg,
__u8 *day,
__u8 *month,
__u8 *start_hr,
__u8 *start_min,
__u8 *duration_hr,
__u8 *duration_min,
__u8 *recording_seq,
__u8 *ext_src_spec,
__u8 *plug,
__u16 *phys_addr)
{
*day = msg->msg[2];
*month = msg->msg[3];
/* Hours and minutes are in BCD format */
*start_hr = (msg->msg[4] >> 4) * 10 + (msg->msg[4] & 0xf);
*start_min = (msg->msg[5] >> 4) * 10 + (msg->msg[5] & 0xf);
*duration_hr = (msg->msg[6] >> 4) * 10 + (msg->msg[6] & 0xf);
*duration_min = (msg->msg[7] >> 4) * 10 + (msg->msg[7] & 0xf);
*recording_seq = msg->msg[8];
*ext_src_spec = msg->msg[9];
*plug = msg->msg[10];
*phys_addr = (msg->msg[11] << 8) | msg->msg[12];
}
static inline void cec_msg_set_timer_program_title(struct cec_msg *msg,
const char *prog_title)
{
unsigned int len = strlen(prog_title);
if (len > 14)
len = 14;
msg->len = 2 + len;
msg->msg[1] = CEC_MSG_SET_TIMER_PROGRAM_TITLE;
memcpy(msg->msg + 2, prog_title, len);
}
static inline void cec_ops_set_timer_program_title(const struct cec_msg *msg,
char *prog_title)
{
unsigned int len = msg->len > 2 ? msg->len - 2 : 0;
if (len > 14)
len = 14;
memcpy(prog_title, msg->msg + 2, len);
prog_title[len] = '\0';
}
/* System Information Feature */
static inline void cec_msg_cec_version(struct cec_msg *msg, __u8 cec_version)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_CEC_VERSION;
msg->msg[2] = cec_version;
}
static inline void cec_ops_cec_version(const struct cec_msg *msg,
__u8 *cec_version)
{
*cec_version = msg->msg[2];
}
static inline void cec_msg_get_cec_version(struct cec_msg *msg,
int reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_GET_CEC_VERSION;
msg->reply = reply ? CEC_MSG_CEC_VERSION : 0;
}
static inline void cec_msg_report_physical_addr(struct cec_msg *msg,
__u16 phys_addr, __u8 prim_devtype)
{
msg->len = 5;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_REPORT_PHYSICAL_ADDR;
msg->msg[2] = phys_addr >> 8;
msg->msg[3] = phys_addr & 0xff;
msg->msg[4] = prim_devtype;
}
static inline void cec_ops_report_physical_addr(const struct cec_msg *msg,
__u16 *phys_addr, __u8 *prim_devtype)
{
*phys_addr = (msg->msg[2] << 8) | msg->msg[3];
*prim_devtype = msg->msg[4];
}
static inline void cec_msg_give_physical_addr(struct cec_msg *msg,
int reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_GIVE_PHYSICAL_ADDR;
msg->reply = reply ? CEC_MSG_REPORT_PHYSICAL_ADDR : 0;
}
static inline void cec_msg_set_menu_language(struct cec_msg *msg,
const char *language)
{
msg->len = 5;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_SET_MENU_LANGUAGE;
memcpy(msg->msg + 2, language, 3);
}
static inline void cec_ops_set_menu_language(const struct cec_msg *msg,
char *language)
{
memcpy(language, msg->msg + 2, 3);
language[3] = '\0';
}
static inline void cec_msg_get_menu_language(struct cec_msg *msg,
int reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_GET_MENU_LANGUAGE;
msg->reply = reply ? CEC_MSG_SET_MENU_LANGUAGE : 0;
}
/*
* Assumes a single RC Profile byte and a single Device Features byte,
* i.e. no extended features are supported by this helper function.
*
* As of CEC 2.0 no extended features are defined, should those be added
* in the future, then this function needs to be adapted or a new function
* should be added.
*/
static inline void cec_msg_report_features(struct cec_msg *msg,
__u8 cec_version, __u8 all_device_types,
__u8 rc_profile, __u8 dev_features)
{
msg->len = 6;
msg->msg[0] |= 0xf; /* broadcast */
msg->msg[1] = CEC_MSG_REPORT_FEATURES;
msg->msg[2] = cec_version;
msg->msg[3] = all_device_types;
msg->msg[4] = rc_profile;
msg->msg[5] = dev_features;
}
static inline void cec_ops_report_features(const struct cec_msg *msg,
__u8 *cec_version, __u8 *all_device_types,
const __u8 **rc_profile, const __u8 **dev_features)
{
const __u8 *p = &msg->msg[4];
*cec_version = msg->msg[2];
*all_device_types = msg->msg[3];
*rc_profile = p;
*dev_features = NULL;
while (p < &msg->msg[14] && (*p & CEC_OP_FEAT_EXT))
p++;
if (!(*p & CEC_OP_FEAT_EXT)) {
*dev_features = p + 1;
while (p < &msg->msg[15] && (*p & CEC_OP_FEAT_EXT))
p++;
}
if (*p & CEC_OP_FEAT_EXT)
*rc_profile = *dev_features = NULL;
}
static inline void cec_msg_give_features(struct cec_msg *msg,
int reply)
{
msg->len = 2;
msg->msg[1] = CEC_MSG_GIVE_FEATURES;
msg->reply = reply ? CEC_MSG_REPORT_FEATURES : 0;
}
/* Deck Control Feature */
static inline void cec_msg_deck_control(struct cec_msg *msg,
__u8 deck_control_mode)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_DECK_CONTROL;
msg->msg[2] = deck_control_mode;
}
static inline void cec_ops_deck_control(const struct cec_msg *msg,
__u8 *deck_control_mode)
{
*deck_control_mode = msg->msg[2];
}
static inline void cec_msg_deck_status(struct cec_msg *msg,
__u8 deck_info)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_DECK_STATUS;
msg->msg[2] = deck_info;
}
static inline void cec_ops_deck_status(const struct cec_msg *msg,
__u8 *deck_info)
{
*deck_info = msg->msg[2];
}
static inline void cec_msg_give_deck_status(struct cec_msg *msg,
int reply,
__u8 status_req)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_GIVE_DECK_STATUS;
msg->msg[2] = status_req;
msg->reply = reply ? CEC_MSG_DECK_STATUS : 0;
}
static inline void cec_ops_give_deck_status(const struct cec_msg *msg,
__u8 *status_req)
{
*status_req = msg->msg[2];
}
static inline void cec_msg_play(struct cec_msg *msg,
__u8 play_mode)
{
msg->len = 3;
msg->msg[1] = CEC_MSG_PLAY;
msg->msg[2] = play_mode;
}
static inline void cec_ops_play(const struct cec_msg *msg,
__u8 *play_mode)
{
*play_mode = msg->msg[2];
}
/* Tuner Control Feature */
struct cec_op_tuner_device_info {
__u8 rec_flag;
__u8 tuner_display_info;
__u8 is_analog;
union {
struct cec_op_digital_service_id digital;
struct {
__u8 ana_bcast_type;
__u16 ana_freq;
__u8 bcast_system;
} analog;
};
};
static inline void cec_msg_tuner_device_status_analog(struct cec_msg *msg,
__u8 rec_flag,
__u8 tuner_display_info,
__u8 ana_bcast_type,
__u16 ana_freq,
__u8 bcast_system)
{
msg->len = 7;
msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
msg->msg[2] = (rec_flag << 7) | tuner_display_info;
msg->msg[3] = ana_bcast_type;
msg->msg[4] = ana_freq >> 8;
msg->msg[5] = ana_freq & 0xff;
msg->msg[6] = bcast_system;
}
static inline void cec_msg_tuner_device_status_digital(struct cec_msg *msg,
__u8 rec_flag, __u8 tuner_display_info,
const struct cec_op_digital_service_id *digital)
{
msg->len = 10;
msg->msg[1] = CEC_MSG_TUNER_DEVICE_STATUS;
msg->msg[2] = (rec_flag << 7) | tuner_display_info;
cec_set_digital_service_id(msg->msg + 3, digital);
}
static inline void cec_msg_tuner_device_status(struct cec_msg *msg,
const struct cec_op_tuner_device_info *tuner_dev_info)
{
if (tuner_dev_info->is_analog)
cec_msg_tuner_device_status_analog(msg,
tuner_dev_info->rec_flag,
tuner_dev_info->tuner_display_info,
tuner_dev_info->analog.ana_bcast_type,
tuner_dev_info->analog.ana_freq,
tuner_dev_info->analog.bcast_system);