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/*
* Copyright (C) ST-Ericsson SA 2011
* Author: Per Persson per.xb.persson@stericsson.com for
* ST-Ericsson.
* License terms: <FOSS license>.
*/
#include <unistd.h> /* Symbolic Constants */
#include <sys/types.h> /* Primitive System Data Types */
#include <errno.h> /* Errors */
#include <stdarg.h>
#include <stdio.h> /* Input/Output */
#include <stdlib.h> /* General Utilities */
#include <string.h> /* String handling */
#include <fcntl.h>
#include <time.h>
#include <ctype.h>
#include <utils/Log.h>
#include "../include/hdmi_service_api.h"
#include "../include/hdmi_service_local.h"
const __u8 cecrxeven_val[] = {0x01}; /* Enable CEC RX events */
int cectx_cmd_id;
static int cectxcmdid_set(int cmd_id)
{
cectx_cmd_id = cmd_id;
return 0;
}
static int cectxcmdid_get(void)
{
return cectx_cmd_id;
}
/* Subscribe for incoming CEC messages */
int cecrx_subscribe(void)
{
int cecrxfd;
cecrxfd = open(CECRXEVEN_FILE, O_WRONLY);
if (cecrxfd < 0) {
LOGHDMILIB(" failed to open %s", CECRXEVEN_FILE);
return -1;
}
write(cecrxfd, cecrxeven_val, sizeof(cecrxeven_val));
close(cecrxfd);
return 0;
}
int cecsenderr(void)
{
int val;
__u8 buf[32];
int cmd_id;
cmd_id = cectxcmdid_get();
val = HDMI_CECSENDERR;
memcpy(&buf[CMD_OFFSET], &val, 4);
memcpy(&buf[CMDID_OFFSET], &cmd_id, 4);
val = 0;
memcpy(&buf[CMDLEN_OFFSET], &val, 4);
/* Send on socket */
return clientsocket_send(buf, CMDBUF_OFFSET + val);
}
/* Send CEC message */
int cecsend(__u32 cmd_id, __u8 in, __u8 dest, __u8 len, __u8 *data)
{
int cecsendfd;
int res;
char buf[128];
LOGHDMILIB("%s begin", __func__);
cectxcmdid_set(cmd_id);
res = 0;
buf[0] = in;
buf[1] = dest;
buf[2] = len;
memcpy(&buf[3], data, len);
/* Send CEC cmd */
cecsendfd = open(CECSEND_FILE, O_WRONLY);
if (cecsendfd <= 0) {
LOGHDMILIB("***** Failed to open %s *****\n", CECSEND_FILE);
goto cecsend_err;
}
res = write(cecsendfd, buf, len + 3);
if (res != len + 3) {
LOGHDMILIB("***** cecsend failed %d *****\n", res);
close(cecsendfd);
goto cecsend_err;
}
close(cecsendfd);
LOGHDMILIB("%s end", __func__);
return 0;
cecsend_err:
cecsenderr();
LOGHDMILIB("%s end", __func__);
return -1;
}
/* Read received CEC message and forward on client socket */
int cecrx(void)
{
int cecreadfd;
__u8 buf[32];
__u8 cecdata[32];
int cecsize;
int cnt;
int val;
int res = 0;
__u32 cmd_id;
LOGHDMILIB("%s begin", __func__);
cmd_id = get_new_cmd_id_ind();
cecreadfd = open(CECREAD_FILE, O_RDONLY);
if (cecreadfd < 0) {
LOGHDMILIB("***** Failed to open %s *****", CECREAD_FILE);
return -1;
}
cecsize = read(cecreadfd, buf, sizeof(buf));
close(cecreadfd);
for (cnt = 0; cnt < cecsize; cnt++)
LOGHDMILIB2("cecrx[%d]:%x", cnt, buf[cnt]);
val = HDMI_CECRECVD;
memcpy(&buf[CMD_OFFSET], &val, 4);
memcpy(&buf[CMDID_OFFSET], &cmd_id, 4);
val = cecsize;
memcpy(&buf[CMDLEN_OFFSET], &val, 4);
memcpy(&buf[CMDBUF_OFFSET], cecdata, val);
/* Send on socket */
res = clientsocket_send(buf, CMDBUF_OFFSET + val);
LOGHDMILIB("%s end", __func__);
return res;
}
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