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/*
* Creation Date: <1999/03/05 15:38:39 samuel>
* Time-stamp: <1999/03/05 15:56:26 samuel>
*
* <control_hw.h>
*
* Control hardware (videocontroller in the 7500, 8500)
*
* Copyright (C) 1999 Samuel Rydh (samuel@ibrium.se)
*
* Based upon hardware information from the linuxppc kernel:
*
* Copyright (C) 1998 Daniel Jacobowitz <dan@debian.org>
* Copyright (C) 1996 Paul Mackerras.
* Copyright (C) 1998 Jon Howell
*
* 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_CONTROL_HW
#define _H_CONTROL_HW
#include <sys/types.h>
/*
* Structure of the registers for the RADDAC colormap device.
*/
#define DAC_REG_SIZE 0x10
#define DAC_SIZE 0x40
enum {
dacr_addr=0,
dacr_d1,
dacr_d2,
dacr_lut
};
#define CONTROL_REG_SIZE 0x10
#define CONTROL_SIZE 0x1000 /* this is what OF gives us... */
typedef struct cmap_regs {
unsigned char addr;
char pad1[15];
unsigned char d1;
char pad2[15];
unsigned char d2;
char pad3[15];
unsigned char lut;
char pad4[15];
} ph_cmap_regs_t;
#if 0
struct preg { /* padded register */
unsigned r;
char pad[12];
};
struct control_regs {
struct preg vcount; /* vertical counter */
/* Vertical parameters are in units of 1/2 scan line */
struct preg vswin; /* between vsblank and vssync */
struct preg vsblank; /* vert start blank */
struct preg veblank; /* vert end blank (display start) */
struct preg vewin; /* between vesync and veblank */
struct preg vesync; /* vert end sync */
struct preg vssync; /* vert start sync */
struct preg vperiod; /* vert period */
struct preg reg8;
/* Horizontal params are in units of 2 pixels */
struct preg hperiod; /* horiz period - 2 */
struct preg hsblank; /* horiz start blank */
struct preg heblank; /* horiz end blank */
struct preg hesync; /* horiz end sync */
struct preg hssync; /* horiz start sync */
struct preg rege;
struct preg regf;
struct preg reg10;
struct preg reg11;
struct preg ctrl; /* display control */
struct preg start_addr; /* start address: 5 lsbs zero */
struct preg pitch; /* addrs diff between scan lines */
struct preg mon_sense; /* monitor sense bits */
struct preg flags;
struct preg mode;
struct preg reg18;
struct preg reg19;
struct preg res[6];
};
#endif
#define NUM_REGS_CONTROL 32
/* 32 registers */
enum {
r_vcount=0, /* vertical counter */
/* Vertical parameters are in units of 1/2 scan line */
r_vswin, /* between vsblank and vssync */
r_vsblank, /* vert start blank */
r_veblank, /* vert end blank (display start) */
r_vewin, /* between vesync and veblank */
r_vesync, /* vert end sync */
r_vssync, /* vert start sync */
r_vperiod, /* vert period */
r_reg8,
/* Horizontal params are in units of 2 pixels */
r_hperiod, /* horiz period - 2 */
r_hsblank, /* horiz start blank */
r_heblank, /* horiz end blank */
r_hesync, /* horiz end sync */
r_hssync, /* horiz start sync */
r_rege,
r_regf,
r_reg10,
r_reg11,
r_ctrl, /* display control */
r_start_addr, /* start address: 5 lsbs zero */
r_pitch, /* addrs diff between scan lines */
r_mon_sense, /* monitor sense bits */
r_flags,
r_mode,
r_reg18,
r_reg19,
r_res1,
r_res2,
r_res3,
r_res4,
r_res5,
r_res6,
};
#endif /* _H_CONTROL_HW */
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