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/* NVTV pipe header -- Dirk Thierbach <dthierbach@gmx.de>
*
* This file is part of nvtv, a tool for tv-output on NVidia cards.
*
* nvtv is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* nvtv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* $Id: pipe.h,v 1.2 2003/02/05 00:14:03 miguelfreitas Exp $
*
* Contents:
*
* Routine prototypes to access the named pipe for server/client
* communication, and communication protocol constants.
*
*/
#ifndef _PIPE_H
#define _PIPE_H
#include <stdio.h>
#ifndef CONFIG_PIPE_PATH
#define CONFIG_PIPE_PATH "/var/run"
#endif
#define PIPE_IN CONFIG_PIPE_PATH ## "/nvtv-in"
#define PIPE_OUT CONFIG_PIPE_PATH ## "/nvtv-out"
#define PIPE_VERSION 0x000403 /* 0.4.3 */
/* even numbered commands expect no return, odd numbered commands do */
typedef enum {
PCmd_None = 0, /* In: None */
PCmd_Init = 1, /* In: None; Out: card list */
PCmd_Kill = 2, /* In: None */
PCmd_Version = 3, /* In: None; Out: version */
PCmd_CloseCard = 10, /* In: None */
PCmd_OpenCard = 11, /* In: Card index; Out: chip list */
PCmd_SetChip = 12, /* In: Chip index, init; */
PCmd_ProbeChips = 13, /* In: None; Out: chip list */
PCmd_SetSettings = 14, /* In: Settings; */
PCmd_GetSettings = 15, /* In: None; Out: Settings */
PCmd_SetMode = 16, /* In: Regs */
PCmd_GetMode = 17, /* In: None; Out: Regs */
PCmd_SetModeSettings = 18, /* In: Regs, Settings; */
PCmd_SetTestImage = 20, /* In: EncRegs, Setttings; */
PCmd_GetStatus = 23, /* In: Index; Out: status */
PCmd_GetConnection = 25, /* In: None; Out: connect */
PCmd_FindBySize = 31, /* In: System, x, y, size; Out: mode */
PCmd_FindByOverscan = 33, /* In: System, x, y, hoc, voc; Out: mode */
PCmd_SetHeads = 40, /* In: 3 heads */
PCmd_GetHeads = 41, /* In: None; Out: 3 heads */
PCmd_GetHeadDev = 43, /* In: Head; Out: Dev Flags */
PCmd_InitSharedView = 51, /* In: None; Out: 4 int */
PCmd_GetTwinView = 53, /* In: None; Out: 2 int, bool */
PCmd_AdjustView = 55, /* In: 3 int; Out: 2 int, bool */
PCmd_ServiceVC = 57, /* In: 5 int; Out: 2 int, bool */
} PipeCmd;
PipeCmd pipeReadCmd (FILE *pipe);
void pipeWriteCmd (FILE *pipe, PipeCmd cmd);
int pipeReadArgs (FILE *pipe, int n, ...);
int pipeReadArgsOpt (FILE *pipe, int n, ...);
void pipeWriteArgs (FILE *pipe, int n, ...);
void* pipeReadList (FILE *pipe, int size);
void pipeWriteList (FILE *pipe, int size, void *list);
#endif /* _PIPE_H */
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