1/*- 2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * Copyright (c) 1992-1998 S�ren Schmidt 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * |
29 * $Id: vga_isa.c,v 1.3 1999/02/05 12:58:32 yokota Exp $ |
30 */ 31 32#include "vga.h" 33#include "opt_vga.h" 34#include "opt_fb.h" 35#include "opt_syscons.h" /* should be removed in the future, XXX */ 36 37#if NVGA > 0 --- 9 unchanged lines hidden (view full) --- 47 48#include <machine/console.h> 49#include <machine/md_var.h> 50#include <machine/pc/bios.h> 51 52#include <dev/fb/fbreg.h> 53#include <dev/fb/vgareg.h> 54 |
55#if 1 |
56#include <isa/isareg.h> 57#include <isa/isavar.h> 58#else 59#include <i386/isa/isa.h> 60#include <i386/isa/isa_device.h> 61#endif 62 63#define DRIVER_NAME "vga" 64 65/* cdev driver declaration */ 66 67#define ISAVGA_UNIT(dev) minor(dev) 68#define ISAVGA_MKMINOR(unit) (unit) 69 70typedef struct isavga_softc { 71 video_adapter_t *adp; 72} isavga_softc_t; 73 |
74#if 1 |
75 76#define ISAVGA_SOFTC(unit) \ 77 ((isavga_softc_t *)devclass_get_softc(isavga_devclass, unit)) 78 79devclass_t isavga_devclass; 80 81static int isavga_probe(device_t dev); 82static int isavga_attach(device_t dev); --- 47 unchanged lines hidden (view full) --- 130 isavgaopen, isavgaclose, noread, nowrite, /* ?? */ 131 isavgaioctl, nostop, nullreset, nodevtotty, 132 seltrue, nommap, NULL, DRIVER_NAME, 133 NULL, -1, nodump, nopsize, 134}; 135 136#endif /* FB_INSTALL_CDEV */ 137 |
138#if 1 |
139 140static int 141isavga_probe(device_t dev) 142{ 143 isavga_softc_t *sc; 144 145 device_set_desc(dev, "Generic ISA VGA"); 146 sc = device_get_softc(dev); --- 624 unchanged lines hidden (view full) --- 771} 772#endif /* VGA_NO_BIOS */ 773 774static int 775verify_adapter(video_adapter_t *adp) 776{ 777 vm_offset_t buf; 778 u_int16_t v; |
779#if !defined(VGA_NO_BIOS) && !defined(VGA_NO_MODE_CHANGE) 780 u_int32_t p; 781#endif |
782 783 buf = BIOS_PADDRTOVADDR(adp->va_window); 784 v = readw(buf); 785 writew(buf, 0xA55A); 786 if (readw(buf) != 0xA55A) 787 return 1; 788 writew(buf, v); 789 --- 285 unchanged lines hidden (view full) --- 1075 mode_map[adp->va_initial_mode] = adpstate.regs; 1076 rows_offset = 1; 1077#else /* VGA_NO_BIOS || VGA_NO_MODE_CHANGE */ 1078 if (video_mode_ptr == NULL) { 1079 mode_map[adp->va_initial_mode] = adpstate.regs; 1080 rows_offset = 1; 1081 } else { 1082 /* discard the table if we are not familiar with it... */ |
1083 u_char *mp; |
1084 map_mode_table(mode_map, video_mode_ptr, M_VGA_CG320 + 1); 1085 mp = get_mode_param(adp->va_initial_mode); 1086 if (mp != NULL) 1087 bcopy(mp, adpstate2.regs, sizeof(adpstate2.regs)); 1088 switch (comp_adpregs(adpstate.regs, mp)) { 1089 case COMP_IDENTICAL: 1090 /* 1091 * OK, this parameter table looks reasonably familiar --- 45 unchanged lines hidden (view full) --- 1137#endif 1138 } else if (adp->va_type == KD_EGA) { 1139#if defined(VGA_NO_BIOS) || defined(VGA_NO_MODE_CHANGE) 1140 rows_offset = 1; 1141#else /* VGA_NO_BIOS || VGA_NO_MODE_CHANGE */ 1142 if (video_mode_ptr == NULL) { 1143 rows_offset = 1; 1144 } else { |
1145 u_char *mp; |
1146 map_mode_table(mode_map, video_mode_ptr, M_ENH_C80x25 + 1); 1147 /* XXX how can one validate the EGA table... */ 1148 mp = get_mode_param(adp->va_initial_mode); 1149 if (mp != NULL) { 1150 adp->va_flags |= V_ADP_MODECHANGE; 1151#ifndef VGA_NO_FONT_LOADING 1152 adp->va_flags |= V_ADP_FONT; 1153#endif --- 1086 unchanged lines hidden --- |