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[unix-history] / usr / src / sys / news3400 / fb / fbbm_253.c
/*
* Copyright (c) 1992 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
*
* %sccs.include.redist.c%
*
* from: $Hdr: fbbm_253.c,v 4.300 91/06/09 06:33:12 root Rel41 $ SONY; */
*
* @(#)fbbm_253.c 7.1 (Berkeley) %G%
*/
/*
* NWB-253 frame buffer driver
*/
#include "../include/fix_machine_type.h"
#include "nwb253.h"
#if NNWB253 > 0
#include "param.h"
#include "../iop/framebuf.h"
#include "../iop/fbreg.h"
#include "../fb/fbdefs.h"
extern int error();
extern int nofunc();
extern char *ext_fnt24_addr[];
extern char *ext_fnt_addr[];
extern short zero[];
#define NOP { int j; for (j = 0; j < 40; j++); }
#define VRAM_START (unsigned int *)(0x88000000)
#define VRAM_WIDTH (2048/32)
static caddr_t
fb253_Krom_addr(fb, c, sr)
struct fbdev *fb;
register int c;
lRectangle *sr;
{
unsigned int cvcode16();
if ((c >= 0x20) && (c <= 0x7e)) {
/*
* ASCII char
*/
c -= ' ';
c = ((c & 0x1f) | ((c & 0xe0) << 2)) << 7;
return (caddr_t)(c + fb->Krom_base + (sr->extent.y > 16 ? 0 : 96));
} else if ((c >= 0xa1) && (c <= 0xdf)) {
/*
* KANA char
*/
if (sr->extent.y > 16)
return ((caddr_t)ext_fnt24_addr[c + 64]);
else
return ((caddr_t)ext_fnt_addr[c + 64]);
} else if ((c >= 0x2020) && (c <= 0x7e7e)) {
/*
* KANJI char
*/
switch (c & 0x7000) {
case 0x2000:
c = ((c&0x1f)|((c&0x60)<<5)|((c&0x700)>>1))<<7;
break;
case 0x3000:
case 0x4000:
c = ((c&0x7f)|((c&0xf00)>>1)|((c&0x4000)>>3))<<7;
break;
case 0x5000:
case 0x6000:
c = ((c&0x7f)|((c&0xf00)>>1)|((c&0x2000)>>2)|0x1000)<<7;
break;
case 0x7000:
c = ((c&0x1f)|((c&0x60)<<5)|((c&0x700)>>1)|0x1000)<<7;
break;
}
return (caddr_t)(c + fb->Krom_base + (sr->extent.y > 16 ? 0 : 96));
} else {
/*
* UNKNOWN char
*/
return (caddr_t)zero;
}
}
static int
fb253_set_dimmer(fb, dim)
struct fbdev *fb;
int dim;
{
int s;
fb->status_flag = (fb->status_flag & 0xf3) | ((dim & 3) << 2);
*(volatile u_short *)(0xb8ff0000) = fb->status_flag;
return (FB_ROK);
}
static int
fb253_get_dimmer(fb)
struct fbdev *fb;
{
int dim;
dim = (fb->status_flag >> 2) & 3;
return (dim);
}
int
fb253_get_pixel(fb, pixel)
struct fbdev *fb;
register int pixel;
{
return (pixel);
}
fb253_ioctl(fb, cmd, data)
struct fbdev *fb;
int cmd;
int *data;
{
register int result = 0;
switch (cmd) {
case FB_INTCHECK:
if (*(volatile u_short *)(0xb8ff0000) & 0x08)
result |= FB_INT_VSYNC;
break;
case FB_INTENABLE:
if (*data & FB_INT_VSYNC) {
fb->status_flag |= 1;
*(volatile u_short *)(0xb8ff0000) = fb->status_flag;
WB_FLUSH;
}
break;
case FB_INTCLEAR:
if (*data & FB_INT_VSYNC) {
fb->status_flag &= ~1;
*(volatile u_short *)(0xb8ff0000) = fb->status_flag;
WB_FLUSH;
}
break;
case FB_STATUSCHECK:
break;
default:
result = -1;
}
return (result);
}
int
fb253_get_page(fb, off)
struct fbdev *fb;
off_t off;
{
if (off < 2048/8 * 2048) /* X/8 * Y */
return (((unsigned int)0x8000000 + off) >> PGSHIFT);
else
return (-1);
}
int
fb253_probe(unit)
int unit;
{
if (unit >= NNWB253)
return 0;
if (badaddr(0xb8ff0000, 2) || badaddr(0xb8e00000, 2))
return 0;
if ((*(volatile u_short *)(0xb8ff0000) & 7) == 4)
return FB_NWB253;
return 0;
}
void fbmem_rop_init();
void fbmem_rop_copy();
void fbmem_rop_winit();
void fbmem_rop_write();
void fbmem_rop_read();
void fbmem_rop_cinit();
void fbmem_rop_clear();
void fbmem_rop_vect();
void fbmem_rop_dot();
static struct fbdev_ops
fb253_ops = {
fbmem_rop_init,
fbmem_rop_copy,
fbmem_rop_winit,
fbmem_rop_write,
fbmem_rop_read,
fbmem_rop_cinit,
fbmem_rop_clear,
fbmem_rop_vect,
fbmem_rop_dot,
(void (*)())nofunc,
(void (*)())error,
(void (*)())error,
fb253_Krom_addr,
(void (*)())error,
error,
error,
fb253_get_pixel,
fb253_set_dimmer,
fb253_get_dimmer,
nofunc,
nofunc,
fb253_ioctl,
fb253_get_page,
(void (*)())nofunc,
(void (*)())nofunc,
(void (*)())nofunc,
(void (*)())nofunc,
};
static u_short
nwp512_data1[] = {
0x00, 0x44,
0x01, 0x33,
0x02, 0x3c,
0x03, 0x38,
0x04, 0x84,
0x05, 0x03,
0x06, 0x80,
0x07, 0x80,
0x08, 0x10,
0x09, 0x07,
0x0a, 0x20,
0x0c, 0x00,
0x0d, 0x00,
0x1b, 0x03
};
static u_short
nwp512_data2[] = {
0x1e, 0x08,
0x20, 0x08,
0x21, 0x0d
};
static u_short
nwp518_data1[] = {
0x00, 0x52,
0x01, 0x40,
0x02, 0x4a,
0x03, 0x49,
0x04, 0x63,
0x05, 0x02,
0x06, 0x60,
0x07, 0x60,
0x08, 0x10,
0x09, 0x07,
0x0a, 0x20,
0x0c, 0x00,
0x0d, 0x00,
0x1b, 0x04
};
static u_short
nwp518_data2[] = {
0x1e, 0x08,
0x20, 0x00,
0x21, 0x00
};
static u_short
nwe501_data1[] = {
0x00, 0x4b,
0x01, 0x40,
0x02, 0x4a,
0x03, 0x43,
0x04, 0x64,
0x05, 0x02,
0x06, 0x60,
0x07, 0x60,
0x08, 0x10,
0x09, 0x07,
0x0a, 0x20,
0x0c, 0x00,
0x0d, 0x00,
0x1b, 0x04
};
static u_short
nwe501_data2[] = {
0x1e, 0x08,
0x20, 0x00,
0x21, 0x00
};
static u_short
*crtc_data[3][2] = {
nwp512_data1, nwp512_data2,
nwp518_data1, nwp518_data2,
nwe501_data1, nwe501_data2,
};
static void
fb253_init(fb, id)
struct fbdev *fb;
int id;
{
register int i;
register volatile u_short *ctlreg = (u_short *)(0xb8ff0000);
register volatile u_short *crtreg = (u_short *)(0xb8fe0000);
register volatile u_short *p;
u_short dummy;
*ctlreg = 0; /* stop crtc */
NOP;
/* initialize crtc without R3{0,1,2} */
p = crtc_data[id][0];
for (i = 0; i < 28; i++) {
*crtreg++ = *p++;
NOP;
}
*ctlreg = 0x02; /* start crtc */
NOP;
/* set crtc control reg */
p = crtc_data[id][1];
for (i = 0; i < 6; i++) {
*crtreg++ = *p++;
NOP;
}
}
struct mfbdev fb253 = { (caddr_t)VRAM_START, VRAM_WIDTH };
void
fb253_setup(fb)
struct fbdev *fb;
{
int id;
if (fb->type) {
fb->Mono = 1;
fb->Colorwidth = 1;
fb->fbNplane = 1;
fb->planemask = 0x1;
fb->Dimmer = 1;
id = ((*(volatile u_short *)(0xb8ff0000)) >> 8) & 0xf;
switch (id) {
case 0:
fb->FrameRect.extent.x = 2048;
fb->FrameRect.extent.y = 2048;
fb->VisRect.extent.x = 816;
fb->VisRect.extent.y = 1024;
fb->cursorP.x = 816/2;
fb->cursorP.y = 1024/2;
fb->font_w = 8;
fb->font_h = 16;
fb->char_w = 10;
fb->char_h = 24;
fb->scr_w = 816;
fb->scr_h = 1024;
fb->ch_pos = 5;
fb->ul_pos = 22;
fb->x_offset = 8;
fb->y_offset = 8;
fb->rit_m = 80;
fb->btm_m = 42;
break;
case 1:
case 2:
fb->FrameRect.extent.x = 2048;
fb->FrameRect.extent.y = 2048;
fb->VisRect.extent.x = 1024;
fb->VisRect.extent.y = 768;
fb->cursorP.x = 1024/2;
fb->cursorP.y = 768/2;
fb->font_w = 8;
fb->font_h = 16;
fb->char_w = 12;
fb->char_h = 22;
fb->scr_w = 1024;
fb->scr_h = 768;
fb->ch_pos = 2;
fb->ul_pos = 20;
fb->x_offset = 32;
fb->y_offset = 21;
fb->rit_m = 80;
fb->btm_m = 33;
break;
}
fb->FrameRect.origin.x = 0;
fb->FrameRect.origin.y = 0;
fb->VisRect.origin.x = 0;
fb->VisRect.origin.y = 0;
fb->Krom_BM0.type = BM_MEM;
fb->Krom_BM0.depth = 1;
fb->Krom_BM0.width = 1;
fb->Krom_BM0.rect.origin.x = 0;
fb->Krom_BM0.rect.origin.y = 0;
fb->Krom_BM0.rect.extent.x = 16;
fb->Krom_BM0.rect.extent.y = 16;
fb->Krom_BM1.type = BM_MEM;
fb->Krom_BM1.depth = 1;
fb->Krom_BM1.width = 2;
fb->Krom_BM1.rect.origin.x = 0;
fb->Krom_BM1.rect.origin.y = 0;
fb->Krom_BM1.rect.extent.x = 24;
fb->Krom_BM1.rect.extent.y = 24;
fb->Krom_base = (char *)(0xb8e00000);
fb->Krom_font_extent0.x = 16;
fb->Krom_font_extent0.y = 16;
fb->Krom_font_extent1.x = 24;
fb->Krom_font_extent1.y = 24;
fb->cursorSet = 0;
fb->cursorVis = 0;
fb->cursorShow = 0;
fb->status_flag = 2;
fb->run_flag = 0;
fb->hard_cursor = 0;
fb->fbbm_op = &fb253_ops;
fb->private = (caddr_t)&fb253;
fb253_init(fb, id);
}
}
#endif /* NNWB253 > 0 */
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.