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/*
* Creation Date: <1999/03/18 03:19:43 samuel>
* Time-stamp: <2001/06/18 19:57:56 samuel>
*
* <os_interface.h>
*
* This file includes definitions for drivers
* running in the "emulated" OS. (Mainly the 'sc'
* mechanism of communicating)
*
* Copyright (C) 1999, 2000, 2001 Samuel Rydh (samuel@ibrium.se)
*
* This program 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
*
*/
#ifndef _H_OS_INTERFACE
#define _H_OS_INTERFACE
/* Magic register values loaded into r3 and r4 before the 'sc' assembly instruction */
#define OSI_SC_MAGIC_R3 0x113724FA
#define OSI_SC_MAGIC_R4 0x77810F9B
#ifndef __KERNEL__
/* By default, we are compiling under Linux */
#ifndef DRIVER_COMPILE
#ifdef macintosh
#define DRIVER_COMPILE 1
#else
#define DRIVER_COMPILE 0
#endif
#endif
#ifndef __ASSEMBLY__
#if !DRIVER_COMPILE
extern void os_interface_init( void );
extern void os_interface_cleanup( void );
#endif
#endif
/* #if DRIVER_COMPILE */
/* The following macro might be useful */
#define OSI_CALL( selector ) \
li r3,0x24FA ; \
addis r3,r3,0x1137 ; \
li r4,0x0F9B ; \
addis r4,r4,0x7781 ; \
li r5,selector ; \
sc ;
/* #endif */
/* selectors, passed in r5 */
#define OSI_ENABLED 0 /* returns 0 if services should be disabled */
#define OSI_DEBUGGER 1 /* enter debugger */
#define OSI_LOG_NUM 2 /* print the number in r6 */
#define OSI_LOG_STR 3 /* print string in r6 */
#define OSI_LOG_HEX 4 /* print the number in r6 in hexadecimal */
#define OSI_SCSI_ACTION 5 /* MacOS ScsiSIM action (r6= r7=pb*) */
#define OSI_SCSI_CONTINUE_ACTION 6
#define OSI_SCSI_POLL 7
#define OSI_SCSI_SERVICE 8
#define OSI_GET_DATE 9 /* return time in secs from 01/01/04 */
#define OSI_ENET_OPEN 10
#define OSI_ENET_CLOSE 11
#define OSI_ENET_GET_ADDR 12
#define OSI_ENET_GET_STATUS 13
#define OSI_ENET_CONTROL 14
#define OSI_ENET_ADD_MULTI 16
#define OSI_ENET_DEL_MULTI 17
#define OSI_ENET_GET_PACKET 18
#define OSI_ENET_SEND_PACKET 19
#define OSI_OF_INTERFACE 20
#define OSI_OF_TRAP 21
#define OSI_OF_RTAS 22
#define OSI_BLK_READ 23
#define OSI_BLK_WRITE 24
#define OSI_BLK_DRIVE_INFO 25
#define OSI_GET_MOUSE 26 /* void -- r3-r5 mouse data */
#define OSI_HAS_HW_CURSOR 27 /* -- int */
#define OSI_SET_VMODE 28 /* modeID, depth -- error */
#define OSI_GET_VMODE_INFO 29 /* int prevID -- r3 status, r4-r7 pb */
#define OSI_GET_MOUSE_DPI 30 /* -- mouse_dpi */
#define OSI_SET_VIDEO_POWER 31
#define OSI_SND_SOUND 32 /* reserved for MOLAudio */
#define OSI_SOUND_WRITE 33
#define OSI_SOUND_CNTL 34
#define OSI_SET_SOUND_VOLUME 35
#define OSI_SOUND_FLUSH 36
#define OSI_GETSET_SOUND_SYNCVAL 37
#define OSI_BLK_IRQ_ACK 38
#define OSI_BLK_TASK 39
#define OSI_SOUND_IRQ_ACK 40
#define OSI_SOUND_START_STOP 41
#define OSI_REGISTER_IRQ 42 /* reg_property[0] appl_int -- irq_cookie */
#define OSI_POLL_IRQ 43 /* irq_cookie -- irq_status */
#define OSI_ACK_IRQ 44 /* irq_cookie */
#define OSI_DEREGISTER_IRQ 45 /* irq_cookie */
#define OSI_ENABLE_IRQ 46 /* irq_cookie enable_flag -- old_flag */
// 47-53 currently only used by MacOS X/Darwin
#define OSI_LOG_PUTC 47 /* char -- */
#define OSI_X_BLK_READ 48 /* char -- */
#define OSI_X_BLK_WRITE 49 /* char -- */
#define OSI_X_BLK_SIZE 50 /* char -- */
#define OSI_GET_ADB_KEY 51 /* -- adb_keycode */
#define OSI_WRITE_NVRAM_BYTE 52 /* offs, byte -- */
#define OSI_READ_NVRAM_BYTE 53 /* offs -- byte */
#define OSI_EXIT 54
#define NUM_OSI_SELECTORS 55 /* remember to increase this... */
#ifndef __ASSEMBLY__
/************************************************************************/
/* argument definitions */
/************************************************************************/
/* OSI_GET_NEXT_VMODE, returned in r4-r9 */
typedef struct {
short num_vmodes;
short cur_vmode; /* 1,2,... */
short num_depths;
short cur_depth_mode; /* 0,1,2,... */
short w,h;
int refresh; /* Hz/65536 */
int depth;
short row_bytes;
short offset;
} osi_get_next_vmode_t;
/************************************************************************/
/* Linux interface */
/************************************************************************/
#if !DRIVER_COMPILE && !defined(ASM)
typedef int (*osi_proc)( int selector, int *params );
extern int os_interface_add_proc( int selector, osi_proc proc );
extern int os_interface_remove_proc( int sel );
#endif /* !DRIVER_COMPILE */
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _H_OS_INTERFACE */
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