vesa.c revision 111462
139287Ssos/*- 239643Syokota * Copyright (c) 1998 Kazutaka YOKOTA and Michael Smith 339287Ssos * All rights reserved. 439287Ssos * 539287Ssos * Redistribution and use in source and binary forms, with or without 639287Ssos * modification, are permitted provided that the following conditions 739287Ssos * are met: 839287Ssos * 1. Redistributions of source code must retain the above copyright 939643Syokota * notice, this list of conditions and the following disclaimer as 1039643Syokota * the first lines of this file unmodified. 1139287Ssos * 2. Redistributions in binary form must reproduce the above copyright 1239287Ssos * notice, this list of conditions and the following disclaimer in the 1339287Ssos * documentation and/or other materials provided with the distribution. 1439287Ssos * 1539643Syokota * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 1639643Syokota * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1739643Syokota * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1839643Syokota * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, 1939643Syokota * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2039643Syokota * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2139643Syokota * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2239643Syokota * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2339643Syokota * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2439643Syokota * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2539287Ssos * 2650477Speter * $FreeBSD: head/sys/i386/isa/vesa.c 111462 2003-02-25 03:21:22Z mux $ 2739287Ssos */ 2839287Ssos 2942504Syokota#include "opt_vga.h" 3066710Sjhb#include "opt_vesa.h" 3139287Ssos 3256836Speter#ifndef VGA_NO_MODE_CHANGE 3339287Ssos 3439287Ssos#include <sys/param.h> 3539287Ssos#include <sys/systm.h> 3639287Ssos#include <sys/kernel.h> 3742179Syokota#include <sys/module.h> 3839287Ssos#include <sys/malloc.h> 3948104Syokota#include <sys/fbio.h> 4048104Syokota 4139287Ssos#include <vm/vm.h> 4248104Syokota#include <vm/vm_extern.h> 4348104Syokota#include <vm/vm_kern.h> 4439287Ssos#include <vm/pmap.h> 4539287Ssos 4639287Ssos#include <machine/md_var.h> 4739287Ssos#include <machine/vm86.h> 4839287Ssos#include <machine/pc/bios.h> 4939287Ssos#include <machine/pc/vesa.h> 5039287Ssos 5142504Syokota#include <dev/fb/fbreg.h> 5242504Syokota#include <dev/fb/vgareg.h> 5339287Ssos 5442504Syokota#ifndef __i386__ 5542504Syokota#include <isa/isareg.h> 5642504Syokota#else 5742504Syokota#include <i386/isa/isa.h> 5842504Syokota#endif 5942504Syokota 6042504Syokota#ifndef VESA_DEBUG 6142611Syokota#define VESA_DEBUG 0 6242504Syokota#endif 6342504Syokota 6439287Ssos/* VESA video adapter state buffer stub */ 6539287Ssosstruct adp_state { 6639287Ssos int sig; 6739287Ssos#define V_STATE_SIG 0x61736576 6839287Ssos u_char regs[1]; 6939287Ssos}; 7039287Ssostypedef struct adp_state adp_state_t; 7139287Ssos 7239287Ssos/* VESA video adapter */ 7339287Ssosstatic video_adapter_t *vesa_adp = NULL; 7439287Ssosstatic int vesa_state_buf_size = 0; 7539287Ssos 7639287Ssos/* VESA functions */ 7748399Speter#if 0 7842504Syokotastatic int vesa_nop(void); 7948399Speter#endif 8048104Syokotastatic int vesa_error(void); 8142504Syokotastatic vi_probe_t vesa_probe; 8239287Ssosstatic vi_init_t vesa_init; 8339287Ssosstatic vi_get_info_t vesa_get_info; 8439287Ssosstatic vi_query_mode_t vesa_query_mode; 8539287Ssosstatic vi_set_mode_t vesa_set_mode; 8639287Ssosstatic vi_save_font_t vesa_save_font; 8739287Ssosstatic vi_load_font_t vesa_load_font; 8839287Ssosstatic vi_show_font_t vesa_show_font; 8939287Ssosstatic vi_save_palette_t vesa_save_palette; 9039287Ssosstatic vi_load_palette_t vesa_load_palette; 9139287Ssosstatic vi_set_border_t vesa_set_border; 9239287Ssosstatic vi_save_state_t vesa_save_state; 9339287Ssosstatic vi_load_state_t vesa_load_state; 9439287Ssosstatic vi_set_win_org_t vesa_set_origin; 9539287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 9639287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 9742504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 9848104Syokotastatic vi_blank_display_t vesa_blank_display; 9942504Syokotastatic vi_mmap_t vesa_mmap; 10048104Syokotastatic vi_ioctl_t vesa_ioctl; 10148104Syokotastatic vi_clear_t vesa_clear; 10248104Syokotastatic vi_fill_rect_t vesa_fill_rect; 10348104Syokotastatic vi_bitblt_t vesa_bitblt; 10439287Ssosstatic vi_diag_t vesa_diag; 10548104Syokotastatic int vesa_bios_info(int level); 10644846Sjlemonstatic struct vm86context vesa_vmcontext; 10739287Ssos 10842504Syokotastatic video_switch_t vesavidsw = { 10942504Syokota vesa_probe, 11042504Syokota vesa_init, 11142504Syokota vesa_get_info, 11242504Syokota vesa_query_mode, 11342504Syokota vesa_set_mode, 11442504Syokota vesa_save_font, 11542504Syokota vesa_load_font, 11642504Syokota vesa_show_font, 11742504Syokota vesa_save_palette, 11842504Syokota vesa_load_palette, 11942504Syokota vesa_set_border, 12042504Syokota vesa_save_state, 12142504Syokota vesa_load_state, 12242504Syokota vesa_set_origin, 12342504Syokota vesa_read_hw_cursor, 12442504Syokota vesa_set_hw_cursor, 12542504Syokota vesa_set_hw_cursor_shape, 12648104Syokota vesa_blank_display, 12742504Syokota vesa_mmap, 12848104Syokota vesa_ioctl, 12948104Syokota vesa_clear, 13048104Syokota vesa_fill_rect, 13148104Syokota vesa_bitblt, 13248104Syokota vesa_error, 13348104Syokota vesa_error, 13439287Ssos vesa_diag, 13539287Ssos}; 13639287Ssos 13742504Syokotastatic video_switch_t *prevvidsw; 13839287Ssos 13939287Ssos/* VESA BIOS video modes */ 14039287Ssos#define VESA_MAXMODES 64 14139287Ssos#define EOT (-1) 14239287Ssos#define NA (-2) 14339287Ssos 14448104Syokota#define MODE_TABLE_DELTA 8 14539287Ssos 14648104Syokotastatic int vesa_vmode_max = 0; 14748104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 14848104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 14948104Syokota 15039287Ssosstatic int vesa_init_done = FALSE; 15139287Ssosstatic int has_vesa_bios = FALSE; 15239287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 15339287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 15439858Syokotastatic char *vesa_oemstr = NULL; 15539858Syokotastatic char *vesa_venderstr = NULL; 15639858Syokotastatic char *vesa_prodstr = NULL; 15739858Syokotastatic char *vesa_revstr = NULL; 15839287Ssos 15939287Ssos/* local macros and functions */ 16039287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 16139287Ssos 16242504Syokotastatic int int10_set_mode(int mode); 16339287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 16439287Ssosstatic int vesa_bios_set_mode(int mode); 16545117Syokotastatic int vesa_bios_get_dac(void); 16639287Ssosstatic int vesa_bios_set_dac(int bits); 16742729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 16842729Syokota int bits); 16948104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 17048104Syokota u_char *b, int bits); 17142729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 17242729Syokota int bits); 17348399Speter#ifdef notyet 17448104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 17548104Syokota u_char *b, int bits); 17648399Speter#endif 17739287Ssos#define STATE_SIZE 0 17839287Ssos#define STATE_SAVE 1 17939287Ssos#define STATE_LOAD 2 18039287Ssos#define STATE_HW (1<<0) 18139287Ssos#define STATE_DATA (1<<1) 18239287Ssos#define STATE_DAC (1<<2) 18339287Ssos#define STATE_REG (1<<3) 18439287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 18539287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 18639287Ssosstatic int vesa_bios_state_buf_size(void); 18739287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 18843664Syokotastatic int vesa_bios_get_line_length(void); 18950446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 19048399Speter#if 0 19148104Syokotastatic int vesa_bios_get_start(int *x, int *y); 19248399Speter#endif 19348104Syokotastatic int vesa_bios_set_start(int x, int y); 19439591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 19539591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 19648104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 19739858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 19839858Syokota u_char *buf); 19939287Ssosstatic int vesa_bios_init(void); 20039591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 20148104Syokotastatic vm_offset_t vesa_map_buffer(u_int paddr, size_t size); 20248104Syokotastatic void vesa_unmap_buffer(vm_offset_t vaddr, size_t size); 20339287Ssos 20448399Speter#if 0 20548104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 20648399Speter#endif 20748104Syokota 20839287Ssosstatic void 20939287Ssosdump_buffer(u_char *buf, size_t len) 21039287Ssos{ 21139287Ssos int i; 21239287Ssos 21339287Ssos for(i = 0; i < len;) { 21439287Ssos printf("%02x ", buf[i]); 21539287Ssos if ((++i % 16) == 0) 21639287Ssos printf("\n"); 21739287Ssos } 21839287Ssos} 21939287Ssos 22042504Syokota/* INT 10 BIOS calls */ 22142504Syokotastatic int 22242504Syokotaint10_set_mode(int mode) 22342504Syokota{ 22442504Syokota struct vm86frame vmf; 22542504Syokota 22642504Syokota bzero(&vmf, sizeof(vmf)); 22742504Syokota vmf.vmf_eax = 0x0000 | mode; 22842504Syokota vm86_intcall(0x10, &vmf); 22942504Syokota return 0; 23042504Syokota} 23142504Syokota 23239287Ssos/* VESA BIOS calls */ 23339287Ssosstatic int 23439287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 23539287Ssos{ 23639287Ssos struct vm86frame vmf; 23744846Sjlemon u_char *buf; 23839287Ssos int err; 23939287Ssos 24039287Ssos bzero(&vmf, sizeof(vmf)); 24139287Ssos vmf.vmf_eax = 0x4f01; 24239287Ssos vmf.vmf_ecx = mode; 24344846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 24444866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_di); 24544846Sjlemon 24644846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 24750445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 24839287Ssos return 1; 24939287Ssos bcopy(buf, vmode, sizeof(*vmode)); 25039287Ssos return 0; 25139287Ssos} 25239287Ssos 25339287Ssosstatic int 25439287Ssosvesa_bios_set_mode(int mode) 25539287Ssos{ 25639287Ssos struct vm86frame vmf; 25739287Ssos int err; 25839287Ssos 25939287Ssos bzero(&vmf, sizeof(vmf)); 26039287Ssos vmf.vmf_eax = 0x4f02; 26139287Ssos vmf.vmf_ebx = mode; 26239287Ssos err = vm86_intcall(0x10, &vmf); 26350445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 26439287Ssos} 26539287Ssos 26639287Ssosstatic int 26745117Syokotavesa_bios_get_dac(void) 26845117Syokota{ 26945117Syokota struct vm86frame vmf; 27045117Syokota int err; 27145117Syokota 27245117Syokota bzero(&vmf, sizeof(vmf)); 27345117Syokota vmf.vmf_eax = 0x4f08; 27445117Syokota vmf.vmf_ebx = 1; /* get DAC width */ 27545117Syokota err = vm86_intcall(0x10, &vmf); 27650445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 27745117Syokota return 6; /* XXX */ 27845117Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 27945117Syokota} 28045117Syokota 28145117Syokotastatic int 28239287Ssosvesa_bios_set_dac(int bits) 28339287Ssos{ 28439287Ssos struct vm86frame vmf; 28539287Ssos int err; 28639287Ssos 28739287Ssos bzero(&vmf, sizeof(vmf)); 28839287Ssos vmf.vmf_eax = 0x4f08; 28939287Ssos vmf.vmf_ebx = (bits << 8); 29039287Ssos err = vm86_intcall(0x10, &vmf); 29150445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 29242729Syokota return 6; /* XXX */ 29342729Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 29439287Ssos} 29539287Ssos 29639287Ssosstatic int 29742729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 29839287Ssos{ 29939287Ssos struct vm86frame vmf; 30039287Ssos u_char *p; 30139287Ssos int err; 30239287Ssos int i; 30339287Ssos 30439287Ssos bzero(&vmf, sizeof(vmf)); 30539287Ssos vmf.vmf_eax = 0x4f09; 30639287Ssos vmf.vmf_ebx = 1; /* get primary palette data */ 30739287Ssos vmf.vmf_ecx = colors; 30839287Ssos vmf.vmf_edx = start; 30944846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 31044866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 31144846Sjlemon 31244846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 31350445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 31439287Ssos return 1; 31539287Ssos 31642729Syokota bits = 8 - bits; 31739287Ssos for (i = 0; i < colors; ++i) { 31842729Syokota palette[i*3] = p[i*4 + 2] << bits; 31942729Syokota palette[i*3 + 1] = p[i*4 + 1] << bits; 32042729Syokota palette[i*3 + 2] = p[i*4] << bits; 32139287Ssos } 32239287Ssos return 0; 32339287Ssos} 32439287Ssos 32539287Ssosstatic int 32648104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 32748104Syokota int bits) 32848104Syokota{ 32948104Syokota struct vm86frame vmf; 33048104Syokota u_char *p; 33148104Syokota int err; 33248104Syokota int i; 33348104Syokota 33448104Syokota bzero(&vmf, sizeof(vmf)); 33548104Syokota vmf.vmf_eax = 0x4f09; 33648104Syokota vmf.vmf_ebx = 1; /* get primary palette data */ 33748104Syokota vmf.vmf_ecx = colors; 33848104Syokota vmf.vmf_edx = start; 33948104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 34048104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 34148104Syokota 34248104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 34350445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 34448104Syokota return 1; 34548104Syokota 34648104Syokota bits = 8 - bits; 34748104Syokota for (i = 0; i < colors; ++i) { 34848104Syokota r[i] = p[i*4 + 2] << bits; 34948104Syokota g[i] = p[i*4 + 1] << bits; 35048104Syokota b[i] = p[i*4] << bits; 35148104Syokota } 35248104Syokota return 0; 35348104Syokota} 35448104Syokota 35548104Syokotastatic int 35642729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 35739287Ssos{ 35839287Ssos struct vm86frame vmf; 35939287Ssos u_char *p; 36039287Ssos int err; 36139287Ssos int i; 36239287Ssos 36344846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 36442729Syokota bits = 8 - bits; 36539287Ssos for (i = 0; i < colors; ++i) { 36642729Syokota p[i*4] = palette[i*3 + 2] >> bits; 36742729Syokota p[i*4 + 1] = palette[i*3 + 1] >> bits; 36842729Syokota p[i*4 + 2] = palette[i*3] >> bits; 36942729Syokota p[i*4 + 3] = 0; 37039287Ssos } 37139287Ssos 37239287Ssos bzero(&vmf, sizeof(vmf)); 37339287Ssos vmf.vmf_eax = 0x4f09; 37439287Ssos vmf.vmf_ebx = 0; /* set primary palette data */ 37539287Ssos vmf.vmf_ecx = colors; 37639287Ssos vmf.vmf_edx = start; 37744866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 37844846Sjlemon 37944846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 38050445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 38139287Ssos} 38239287Ssos 38348399Speter#ifdef notyet 38439287Ssosstatic int 38548104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 38648104Syokota int bits) 38748104Syokota{ 38848104Syokota struct vm86frame vmf; 38948104Syokota u_char *p; 39048104Syokota int err; 39148104Syokota int i; 39248104Syokota 39348104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 39448104Syokota bits = 8 - bits; 39548104Syokota for (i = 0; i < colors; ++i) { 39648104Syokota p[i*4] = b[i] >> bits; 39748104Syokota p[i*4 + 1] = g[i] >> bits; 39848104Syokota p[i*4 + 2] = r[i] >> bits; 39948104Syokota p[i*4 + 3] = 0; 40048104Syokota } 40148104Syokota 40248104Syokota bzero(&vmf, sizeof(vmf)); 40348104Syokota vmf.vmf_eax = 0x4f09; 40448104Syokota vmf.vmf_ebx = 0; /* set primary palette data */ 40548104Syokota vmf.vmf_ecx = colors; 40648104Syokota vmf.vmf_edx = start; 40748104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 40848104Syokota 40948104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 41050445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 41148104Syokota} 41248399Speter#endif 41348104Syokota 41448104Syokotastatic int 41539287Ssosvesa_bios_state_buf_size(void) 41639287Ssos{ 41739287Ssos struct vm86frame vmf; 41839287Ssos int err; 41939287Ssos 42039287Ssos bzero(&vmf, sizeof(vmf)); 42139287Ssos vmf.vmf_eax = 0x4f04; 42239287Ssos vmf.vmf_ecx = STATE_MOST; 42339287Ssos vmf.vmf_edx = STATE_SIZE; 42439287Ssos err = vm86_intcall(0x10, &vmf); 42550445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 42639287Ssos return 0; 42750445Syokota return vmf.vmf_bx*64; 42839287Ssos} 42939287Ssos 43039287Ssosstatic int 43139287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 43239287Ssos{ 43339287Ssos struct vm86frame vmf; 43444846Sjlemon u_char *buf; 43539287Ssos int err; 43639287Ssos 43739287Ssos bzero(&vmf, sizeof(vmf)); 43839287Ssos vmf.vmf_eax = 0x4f04; 43939287Ssos vmf.vmf_ecx = STATE_MOST; 44039287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 44144846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 442108284Sdavidxu vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_bx); 44344846Sjlemon bcopy(p, buf, size); 44444846Sjlemon 44544846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 44650445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 44739287Ssos} 44839287Ssos 44943664Syokotastatic int 45043664Syokotavesa_bios_get_line_length(void) 45143664Syokota{ 45243664Syokota struct vm86frame vmf; 45343664Syokota int err; 45443664Syokota 45543664Syokota bzero(&vmf, sizeof(vmf)); 45643664Syokota vmf.vmf_eax = 0x4f06; 45743664Syokota vmf.vmf_ebx = 1; /* get scan line length */ 45843664Syokota err = vm86_intcall(0x10, &vmf); 45950445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 46043664Syokota return -1; 46143664Syokota return vmf.vmf_bx; /* line length in bytes */ 46243664Syokota} 46343664Syokota 46448104Syokotastatic int 46550446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 46648104Syokota{ 46748104Syokota struct vm86frame vmf; 46848104Syokota int err; 46948104Syokota 47048104Syokota bzero(&vmf, sizeof(vmf)); 47148104Syokota vmf.vmf_eax = 0x4f06; 47248104Syokota vmf.vmf_ebx = 0; /* set scan line length in pixel */ 47348104Syokota vmf.vmf_ecx = pixel; 47448104Syokota err = vm86_intcall(0x10, &vmf); 47548104Syokota#if VESA_DEBUG > 1 47648104Syokota printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx); 47748104Syokota#endif 47850446Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 47950446Syokota return 1; 48050446Syokota if (bytes) 48150446Syokota *bytes = vmf.vmf_bx; 48250446Syokota if (lines) 48350446Syokota *lines = vmf.vmf_dx; 48450446Syokota return 0; 48548104Syokota} 48648104Syokota 48748399Speter#if 0 48848104Syokotastatic int 48948104Syokotavesa_bios_get_start(int *x, int *y) 49048104Syokota{ 49148104Syokota struct vm86frame vmf; 49248104Syokota int err; 49348104Syokota 49448104Syokota bzero(&vmf, sizeof(vmf)); 49548104Syokota vmf.vmf_eax = 0x4f07; 49648104Syokota vmf.vmf_ebx = 1; /* get display start */ 49748104Syokota err = vm86_intcall(0x10, &vmf); 49850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 49948104Syokota return 1; 50048104Syokota *x = vmf.vmf_cx; 50148104Syokota *y = vmf.vmf_dx; 50248104Syokota return 0; 50348104Syokota} 50448399Speter#endif 50548104Syokota 50648104Syokotastatic int 50748104Syokotavesa_bios_set_start(int x, int y) 50848104Syokota{ 50948104Syokota struct vm86frame vmf; 51048104Syokota int err; 51148104Syokota 51248104Syokota bzero(&vmf, sizeof(vmf)); 51348104Syokota vmf.vmf_eax = 0x4f07; 51448104Syokota vmf.vmf_ebx = 0x80; /* set display start */ 51548104Syokota vmf.vmf_edx = y; 51648104Syokota vmf.vmf_ecx = x; 51748104Syokota err = vm86_intcall(0x10, &vmf); 51850445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 51948104Syokota} 52048104Syokota 52139591Syokota/* map a generic video mode to a known mode */ 52239287Ssosstatic int 52339591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 52439287Ssos{ 52539591Syokota static struct { 52639591Syokota int from; 52739591Syokota int to; 52839591Syokota } mode_map[] = { 52939591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 53039591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 53139591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 53239591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 53339591Syokota }; 53439591Syokota int i; 53539591Syokota 53639591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 53739591Syokota if (mode_map[i].from == mode) 53839591Syokota return mode_map[i].to; 53939591Syokota } 54039591Syokota return mode; 54139591Syokota} 54239591Syokota 54339591Syokotastatic int 54439591Syokotavesa_translate_flags(u_int16_t vflags) 54539591Syokota{ 54639287Ssos static struct { 54739287Ssos u_int16_t mask; 54839287Ssos int set; 54939287Ssos int reset; 55039287Ssos } ftable[] = { 55139287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 55239287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 55342235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 55439287Ssos }; 55539287Ssos int flags; 55639287Ssos int i; 55739287Ssos 55839287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 55939287Ssos flags |= (vflags & ftable[i].mask) ? 56039287Ssos ftable[i].set : ftable[i].reset; 56139287Ssos } 56239287Ssos return flags; 56339287Ssos} 56439287Ssos 56548104Syokotastatic int 56648104Syokotavesa_translate_mmodel(u_int8_t vmodel) 56748104Syokota{ 56848104Syokota static struct { 56948104Syokota u_int8_t vmodel; 57048104Syokota int mmodel; 57148104Syokota } mtable[] = { 57248104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 57348104Syokota { V_MMCGA, V_INFO_MM_CGA }, 57448104Syokota { V_MMHGC, V_INFO_MM_HGC }, 57548104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 57648104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 57748104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 57848104Syokota }; 57948104Syokota int i; 58048104Syokota 58148104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 58248104Syokota if (mtable[i].vmodel == vmodel) 58348104Syokota return mtable[i].mmodel; 58448104Syokota } 58548104Syokota return V_INFO_MM_OTHER; 58648104Syokota} 58748104Syokota 58839858Syokotastatic void 58939858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 59039858Syokota{ 59139858Syokota if (p == 0) 59239858Syokota return NULL; 59339858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 59439858Syokota return (void *)(buf + ((p & 0xffff) - off)); 59539858Syokota else { 59639858Syokota p = BIOS_SADDRTOLADDR(p); 59739858Syokota return (void *)BIOS_PADDRTOVADDR(p); 59839858Syokota } 59939858Syokota} 60039858Syokota 60139287Ssosstatic int 60239287Ssosvesa_bios_init(void) 60339287Ssos{ 60445196Syokota static u_char buf[512]; 60539287Ssos struct vm86frame vmf; 60639287Ssos struct vesa_mode vmode; 60748104Syokota video_info_t *p; 60845196Syokota u_char *vmbuf; 60939287Ssos int modes; 61039287Ssos int err; 61139287Ssos int i; 61239287Ssos 61339287Ssos if (vesa_init_done) 61439287Ssos return 0; 61539287Ssos 61639287Ssos has_vesa_bios = FALSE; 61739287Ssos vesa_adp_info = NULL; 61848104Syokota vesa_vmode_max = 0; 61939287Ssos vesa_vmode[0].vi_mode = EOT; 62039287Ssos 62145196Syokota vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0); 62239287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 62345196Syokota bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 62439744Sache vmf.vmf_eax = 0x4f00; 62545196Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di); 62644846Sjlemon 62744846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 62850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f) || bcmp("VESA", vmbuf, 4)) 62939287Ssos return 1; 63045196Syokota bcopy(vmbuf, buf, sizeof(buf)); 63139287Ssos vesa_adp_info = (struct vesa_info *)buf; 63242504Syokota if (bootverbose) { 63342504Syokota printf("VESA: information block\n"); 63439287Ssos dump_buffer(buf, 64); 63542504Syokota } 63639287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 63739287Ssos return 1; 63848104Syokota if (vesa_adp_info->v_version < 0x0102) { 63948104Syokota printf("VESA: VBE version %d.%d is not supported; " 64048104Syokota "version 1.2 or later is required.\n", 64148104Syokota ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 64248104Syokota + ((vesa_adp_info->v_version & 0x0f00) >> 8), 64348104Syokota ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 64448104Syokota + (vesa_adp_info->v_version & 0x000f)); 64548104Syokota return 1; 64648104Syokota } 64739287Ssos 64839858Syokota /* fix string ptrs */ 64939858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 65039858Syokota vmf.vmf_es, vmf.vmf_di, buf); 65139858Syokota if (vesa_adp_info->v_version >= 0x0200) { 65239858Syokota vesa_venderstr = 65339858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr, 65439858Syokota vmf.vmf_es, vmf.vmf_di, buf); 65539858Syokota vesa_prodstr = 65639858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr, 65739858Syokota vmf.vmf_es, vmf.vmf_di, buf); 65839858Syokota vesa_revstr = 65939858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_revstr, 66039858Syokota vmf.vmf_es, vmf.vmf_di, buf); 66139858Syokota } 66239858Syokota 66339287Ssos /* obtain video mode information */ 66439858Syokota vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable, 66539858Syokota vmf.vmf_es, vmf.vmf_di, buf); 66639858Syokota if (vesa_vmodetab == NULL) 66739858Syokota return 1; 66839858Syokota for (i = 0, modes = 0; 66939858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 67039858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 67139287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 67239287Ssos continue; 67339287Ssos 67439287Ssos /* reject unsupported modes */ 67539287Ssos#if 0 67639287Ssos if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO 67739287Ssos | V_MODENONVGA)) 67839287Ssos != (V_MODESUPP | V_MODEOPTINFO)) 67939287Ssos continue; 68039287Ssos#else 68167816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 68266710Sjhb#if VESA_DEBUG > 1 68366710Sjhb printf( 68466710Sjhb "Rejecting VESA %s mode: %d x %d x %d bpp attr = %x\n", 68566710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 68666710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 68766710Sjhb vmode.v_modeattr); 68866710Sjhb#endif 68939287Ssos continue; 69066710Sjhb } 69139287Ssos#endif 69239287Ssos 69348104Syokota /* expand the array if necessary */ 69448104Syokota if (modes >= vesa_vmode_max) { 69548104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 69648104Syokota p = malloc(sizeof(*vesa_vmode)*(vesa_vmode_max + 1), 697111119Simp M_DEVBUF, M_WAITOK); 69848104Syokota#if VESA_DEBUG > 1 69948104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 70050445Syokota modes, vesa_vmode_max); 70148104Syokota#endif 70248104Syokota if (modes > 0) { 70348104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 70448104Syokota free(vesa_vmode, M_DEVBUF); 70548104Syokota } 70648104Syokota vesa_vmode = p; 70748104Syokota } 70848104Syokota 70966710Sjhb#if VESA_DEBUG > 1 71066710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 71166710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 71266710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 71366710Sjhb#endif 71439287Ssos /* copy some fields */ 71539287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 71639287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 71739287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 71839287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 71939287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 72039287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 72139287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 72239287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 72339287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 72439287Ssos /* XXX window B */ 72539858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 72639858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 72748104Syokota if (vmode.v_modeattr & V_MODELFB) 72848104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 72948104Syokota else 73048104Syokota vesa_vmode[modes].vi_buffer = 0; 73143664Syokota /* XXX */ 73248104Syokota vesa_vmode[modes].vi_buffer_size 73348104Syokota = vesa_adp_info->v_memsize*64*1024; 73448104Syokota#if 0 73543664Syokota if (vmode.v_offscreen > vmode.v_lfb) 73643664Syokota vesa_vmode[modes].vi_buffer_size 73748104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 73848104Syokota - vmode.v_lfb; 73943664Syokota else 74048104Syokota vesa_vmode[modes].vi_buffer_size 74148104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 74248104Syokota#endif 74348104Syokota vesa_vmode[modes].vi_mem_model 74448104Syokota = vesa_translate_mmodel(vmode.v_memmodel); 74548104Syokota vesa_vmode[modes].vi_pixel_fields[0] = 0; 74648104Syokota vesa_vmode[modes].vi_pixel_fields[1] = 0; 74748104Syokota vesa_vmode[modes].vi_pixel_fields[2] = 0; 74848104Syokota vesa_vmode[modes].vi_pixel_fields[3] = 0; 74948104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] = 0; 75048104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] = 0; 75148104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] = 0; 75248104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] = 0; 75348104Syokota if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED) { 75448104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 75548104Syokota } else if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) { 75648104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 75748104Syokota vesa_vmode[modes].vi_pixel_fields[0] 75848104Syokota = vmode.v_redfieldpos; 75948104Syokota vesa_vmode[modes].vi_pixel_fields[1] 76048104Syokota = vmode.v_greenfieldpos; 76148104Syokota vesa_vmode[modes].vi_pixel_fields[2] 76248104Syokota = vmode.v_bluefieldpos; 76348104Syokota vesa_vmode[modes].vi_pixel_fields[3] 76448104Syokota = vmode.v_resfieldpos; 76548104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] 76648104Syokota = vmode.v_redmasksize; 76748104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] 76848104Syokota = vmode.v_greenmasksize; 76948104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] 77048104Syokota = vmode.v_bluemasksize; 77148104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] 77248104Syokota = vmode.v_resmasksize; 77348104Syokota } else { 77448104Syokota vesa_vmode[modes].vi_pixel_size = 0; 77548104Syokota } 77648104Syokota 77739591Syokota vesa_vmode[modes].vi_flags 77839591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 77939287Ssos ++modes; 78039287Ssos } 78139287Ssos vesa_vmode[modes].vi_mode = EOT; 78239287Ssos if (bootverbose) 78339287Ssos printf("VESA: %d mode(s) found\n", modes); 78439287Ssos 78539858Syokota has_vesa_bios = (modes > 0); 78639858Syokota return (has_vesa_bios ? 0 : 1); 78739287Ssos} 78839287Ssos 78939287Ssosstatic void 79039591Syokotavesa_clear_modes(video_info_t *info, int color) 79139287Ssos{ 79239287Ssos while (info->vi_mode != EOT) { 79339287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 79439287Ssos info->vi_mode = NA; 79539287Ssos ++info; 79639287Ssos } 79739287Ssos} 79839287Ssos 79948104Syokotastatic vm_offset_t 80048104Syokotavesa_map_buffer(u_int paddr, size_t size) 80148104Syokota{ 80248104Syokota vm_offset_t vaddr; 80348104Syokota u_int off; 80448104Syokota 80548104Syokota off = paddr - trunc_page(paddr); 80648104Syokota vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off); 80748104Syokota#if VESA_DEBUG > 1 80848104Syokota printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n", 80948104Syokota paddr, vaddr, size, off); 81048104Syokota#endif 81148104Syokota return (vaddr + off); 81248104Syokota} 81348104Syokota 81448104Syokotastatic void 81548104Syokotavesa_unmap_buffer(vm_offset_t vaddr, size_t size) 81648104Syokota{ 81748104Syokota#if VESA_DEBUG > 1 81848104Syokota printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size); 81948104Syokota#endif 82048104Syokota kmem_free(kernel_map, vaddr, size); 82148104Syokota} 82248104Syokota 82342504Syokota/* entry points */ 82439287Ssos 82539287Ssosstatic int 82642504Syokotavesa_configure(int flags) 82739287Ssos{ 82842504Syokota video_adapter_t *adp; 82939287Ssos int adapters; 83042504Syokota int error; 83139287Ssos int i; 83239287Ssos 83342504Syokota if (vesa_init_done) 83442504Syokota return 0; 83542504Syokota if (flags & VIO_PROBE_ONLY) 83642504Syokota return 0; /* XXX */ 83742504Syokota 83842504Syokota /* 83942504Syokota * If the VESA module has already been loaded, abort loading 84042504Syokota * the module this time. 84142504Syokota */ 84242504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 84342504Syokota if (adp->va_flags & V_ADP_VESA) 84442504Syokota return ENXIO; 84542504Syokota if (adp->va_type == KD_VGA) 84642504Syokota break; 84739287Ssos } 84842504Syokota /* 84942504Syokota * The VGA adapter is not found. This is because either 85042504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 85142504Syokota * is not present. If 1) is the case, we shall defer 85242504Syokota * initialization for now and try again later. 85342504Syokota */ 85442504Syokota if (adp == NULL) { 85542504Syokota vga_sub_configure = vesa_configure; 85642504Syokota return ENODEV; 85742504Syokota } 85842504Syokota 85942504Syokota /* count number of registered adapters */ 86042504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 86142504Syokota ; 86242504Syokota adapters = i; 86342504Syokota 86442504Syokota /* call VESA BIOS */ 86542504Syokota vesa_adp = adp; 86642504Syokota if (vesa_bios_init()) { 86742504Syokota vesa_adp = NULL; 86842504Syokota return ENXIO; 86942504Syokota } 87042504Syokota vesa_adp->va_flags |= V_ADP_VESA; 87142504Syokota 87242504Syokota /* remove conflicting modes if we have more than one adapter */ 87342504Syokota if (adapters > 1) { 87442504Syokota vesa_clear_modes(vesa_vmode, 87542504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 87642504Syokota V_INFO_COLOR : 0); 87742504Syokota } 87842504Syokota 87942504Syokota if ((error = vesa_load_ioctl()) == 0) { 88042504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 88142504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 88242504Syokota vesa_init_done = TRUE; 88342504Syokota } else { 88442504Syokota vesa_adp = NULL; 88542504Syokota return error; 88642504Syokota } 88742504Syokota 88842504Syokota return 0; 88939287Ssos} 89039287Ssos 89148399Speter#if 0 89242504Syokotastatic int 89342504Syokotavesa_nop(void) 89439287Ssos{ 89542504Syokota return 0; 89639287Ssos} 89748399Speter#endif 89839287Ssos 89939287Ssosstatic int 90048104Syokotavesa_error(void) 90148104Syokota{ 90248104Syokota return 1; 90348104Syokota} 90448104Syokota 90548104Syokotastatic int 90642504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 90739287Ssos{ 90842504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 90942504Syokota} 91042504Syokota 91142504Syokotastatic int 91242504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 91342504Syokota{ 91442504Syokota return (*prevvidsw->init)(unit, adp, flags); 91542504Syokota} 91642504Syokota 91742504Syokotastatic int 91842504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 91942504Syokota{ 92039287Ssos int i; 92139287Ssos 92242504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 92339287Ssos return 0; 92439287Ssos 92542504Syokota if (adp != vesa_adp) 92639287Ssos return 1; 92739591Syokota 92839591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 92939591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 93039287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 93139287Ssos if (vesa_vmode[i].vi_mode == NA) 93239287Ssos continue; 93339287Ssos if (vesa_vmode[i].vi_mode == mode) { 93439287Ssos *info = vesa_vmode[i]; 93539287Ssos return 0; 93639287Ssos } 93739287Ssos } 93839287Ssos return 1; 93939287Ssos} 94039287Ssos 94139287Ssosstatic int 94242504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 94339287Ssos{ 94439287Ssos int i; 94539287Ssos 94654258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 94754258Syokota return 0; 94842504Syokota if (adp != vesa_adp) 94954258Syokota return ENODEV; 95039287Ssos 95139287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 95239287Ssos if ((info->vi_width != 0) 95339287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 95439287Ssos continue; 95539287Ssos if ((info->vi_height != 0) 95639287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 95739287Ssos continue; 95839287Ssos if ((info->vi_cwidth != 0) 95939287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 96039287Ssos continue; 96139287Ssos if ((info->vi_cheight != 0) 96239287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 96339287Ssos continue; 96439287Ssos if ((info->vi_depth != 0) 96539287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 96639287Ssos continue; 96739287Ssos if ((info->vi_planes != 0) 96839287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 96939287Ssos continue; 97039287Ssos /* pixel format, memory model */ 97139287Ssos if ((info->vi_flags != 0) 97239287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 97339287Ssos continue; 97454258Syokota *info = vesa_vmode[i]; 97554258Syokota return 0; 97639287Ssos } 97754258Syokota return ENODEV; 97839287Ssos} 97939287Ssos 98039287Ssosstatic int 98142504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 98239287Ssos{ 98339287Ssos video_info_t info; 98448104Syokota int len; 98539287Ssos 98642504Syokota if (adp != vesa_adp) 98742504Syokota return (*prevvidsw->set_mode)(adp, mode); 98839287Ssos 98948104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 99048104Syokota adp->va_flags & V_ADP_COLOR, mode); 99142504Syokota#if VESA_DEBUG > 0 99239287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 99348104Syokota adp->va_mode, adp->va_mode, mode, mode); 99439287Ssos#endif 99539287Ssos /* 99639287Ssos * If the current mode is a VESA mode and the new mode is not, 99748104Syokota * restore the state of the adapter first by setting one of the 99848104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 99948104Syokota * are set to the state compatible with the standard VGA modes. 100048104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 100148104Syokota * the new mode correctly. 100239287Ssos */ 100348104Syokota if (VESA_MODE(adp->va_mode)) { 100442504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 100548104Syokota int10_set_mode(adp->va_initial_bios_mode); 100648104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 100748104Syokota vesa_unmap_buffer(adp->va_buffer, 100848104Syokota vesa_adp_info->v_memsize*64*1024); 100948104Syokota /* 101048104Syokota * Once (*prevvidsw->get_info)() succeeded, 101148104Syokota * (*prevvidsw->set_mode)() below won't fail... 101248104Syokota */ 101339287Ssos } 101439287Ssos } 101539287Ssos 101639287Ssos /* we may not need to handle this mode after all... */ 101742504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 101839287Ssos return 0; 101939287Ssos 102039287Ssos /* is the new mode supported? */ 102142504Syokota if (vesa_get_info(adp, mode, &info)) 102239287Ssos return 1; 102339287Ssos /* assert(VESA_MODE(mode)); */ 102439287Ssos 102542504Syokota#if VESA_DEBUG > 0 102639287Ssos printf("VESA: about to set a VESA mode...\n"); 102739287Ssos#endif 102848104Syokota /* don't use the linear frame buffer for text modes. XXX */ 102948104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 103048104Syokota info.vi_flags &= ~V_INFO_LINEAR; 103139287Ssos 103248104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 103339287Ssos return 1; 103439287Ssos 103548104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 103648104Syokota vesa_unmap_buffer(adp->va_buffer, 103748104Syokota vesa_adp_info->v_memsize*64*1024); 103848104Syokota 103942504Syokota#if VESA_DEBUG > 0 104039287Ssos printf("VESA: mode set!\n"); 104139287Ssos#endif 104239287Ssos vesa_adp->va_mode = mode; 104339287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 104439287Ssos vesa_adp->va_flags |= 104539287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 104639287Ssos vesa_adp->va_crtc_addr = 104742504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 104848104Syokota if (info.vi_flags & V_INFO_LINEAR) { 104948104Syokota#if VESA_DEBUG > 1 105048104Syokota printf("VESA: setting up LFB\n"); 105148104Syokota#endif 105248104Syokota vesa_adp->va_buffer = 105348104Syokota vesa_map_buffer(info.vi_buffer, 105448104Syokota vesa_adp_info->v_memsize*64*1024); 105548104Syokota vesa_adp->va_buffer_size = info.vi_buffer_size; 105648104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 105748104Syokota vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes; 105848104Syokota vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes; 105948104Syokota } else { 106039287Ssos vesa_adp->va_buffer = 0; 106139287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 106248104Syokota vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 106348104Syokota vesa_adp->va_window_size = info.vi_window_size; 106448104Syokota vesa_adp->va_window_gran = info.vi_window_gran; 106539287Ssos } 106648104Syokota vesa_adp->va_window_orig = 0; 106743664Syokota len = vesa_bios_get_line_length(); 106843674Syokota if (len > 0) { 106943674Syokota vesa_adp->va_line_width = len; 107043674Syokota } else if (info.vi_flags & V_INFO_GRAPHICS) { 107143674Syokota switch (info.vi_depth/info.vi_planes) { 107243674Syokota case 1: 107343674Syokota vesa_adp->va_line_width = info.vi_width/8; 107443674Syokota break; 107543674Syokota case 2: 107643674Syokota vesa_adp->va_line_width = info.vi_width/4; 107743674Syokota break; 107843674Syokota case 4: 107943674Syokota vesa_adp->va_line_width = info.vi_width/2; 108043674Syokota break; 108143674Syokota case 8: 108243674Syokota default: /* shouldn't happen */ 108343674Syokota vesa_adp->va_line_width = info.vi_width; 108443674Syokota break; 108543674Syokota } 108643674Syokota } else { 108743674Syokota vesa_adp->va_line_width = info.vi_width; 108843674Syokota } 108948104Syokota vesa_adp->va_disp_start.x = 0; 109048104Syokota vesa_adp->va_disp_start.y = 0; 109143664Syokota#if VESA_DEBUG > 0 109243664Syokota printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n", 109343674Syokota info.vi_width, len, vesa_adp->va_line_width); 109443664Syokota#endif 109543674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 109639287Ssos 109742504Syokota /* move hardware cursor out of the way */ 109843674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 109942504Syokota 110039287Ssos return 0; 110139287Ssos} 110239287Ssos 110339287Ssosstatic int 110442504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 110542504Syokota int ch, int count) 110639287Ssos{ 110742504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 110839287Ssos} 110939287Ssos 111039287Ssosstatic int 111142504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 111242504Syokota int ch, int count) 111339287Ssos{ 111442504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 111539287Ssos} 111639287Ssos 111739287Ssosstatic int 111842504Syokotavesa_show_font(video_adapter_t *adp, int page) 111939287Ssos{ 112042504Syokota return (*prevvidsw->show_font)(adp, page); 112139287Ssos} 112239287Ssos 112339287Ssosstatic int 112442504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 112539287Ssos{ 112642729Syokota int bits; 112742729Syokota int error; 112839287Ssos 112945117Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 113045117Syokota && VESA_MODE(adp->va_mode)) { 113145117Syokota bits = vesa_bios_get_dac(); 113242729Syokota error = vesa_bios_save_palette(0, 256, palette, bits); 113342729Syokota if (error == 0) 113442729Syokota return 0; 113545117Syokota if (bits != 6) 113645117Syokota return error; 113742729Syokota } 113842729Syokota 113942729Syokota return (*prevvidsw->save_palette)(adp, palette); 114039287Ssos} 114139287Ssos 114239287Ssosstatic int 114342504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 114439287Ssos{ 114545117Syokota#if notyet 114642729Syokota int bits; 114742729Syokota int error; 114839287Ssos 114942729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 115045117Syokota && VESA_MODE(adp->va_mode) && ((bits = vesa_bios_set_dac(8)) > 6)) { 115142729Syokota error = vesa_bios_load_palette(0, 256, palette, bits); 115242729Syokota if (error == 0) 115342729Syokota return 0; 115445117Syokota if (vesa_bios_set_dac(6) != 6) 115545117Syokota return 1; 115642729Syokota } 115745117Syokota#endif /* notyet */ 115842729Syokota 115942729Syokota return (*prevvidsw->load_palette)(adp, palette); 116039287Ssos} 116139287Ssos 116239287Ssosstatic int 116342504Syokotavesa_set_border(video_adapter_t *adp, int color) 116439287Ssos{ 116542504Syokota return (*prevvidsw->set_border)(adp, color); 116639287Ssos} 116739287Ssos 116839287Ssosstatic int 116942504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 117039287Ssos{ 117142504Syokota if (adp != vesa_adp) 117242504Syokota return (*prevvidsw->save_state)(adp, p, size); 117339287Ssos 117439287Ssos if (vesa_state_buf_size == 0) 117539287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 117639287Ssos if (size == 0) 117739287Ssos return (sizeof(int) + vesa_state_buf_size); 117839287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 117939287Ssos return 1; 118039287Ssos 118139287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 118239287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 118339287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 118439287Ssos vesa_state_buf_size); 118539287Ssos} 118639287Ssos 118739287Ssosstatic int 118842504Syokotavesa_load_state(video_adapter_t *adp, void *p) 118939287Ssos{ 119042504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 119142504Syokota return (*prevvidsw->load_state)(adp, p); 119239287Ssos 119339287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 119439287Ssos vesa_state_buf_size); 119539287Ssos} 119639287Ssos 119748399Speter#if 0 119839287Ssosstatic int 119948104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 120048104Syokota{ 120148104Syokota struct vm86frame vmf; 120248104Syokota int err; 120348104Syokota 120448104Syokota bzero(&vmf, sizeof(vmf)); 120548104Syokota vmf.vmf_eax = 0x4f05; 120648104Syokota vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */ 120748104Syokota err = vm86_intcall(0x10, &vmf); 120850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 120948104Syokota return 1; 121048104Syokota *offset = vmf.vmf_dx*adp->va_window_gran; 121148104Syokota return 0; 121248104Syokota} 121348399Speter#endif 121448104Syokota 121548104Syokotastatic int 121642504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 121739287Ssos{ 121839287Ssos struct vm86frame vmf; 121939287Ssos int err; 122039287Ssos 122139287Ssos /* 122239287Ssos * This function should return as quickly as possible to 122339287Ssos * maintain good performance of the system. For this reason, 122439287Ssos * error checking is kept minimal and let the VESA BIOS to 122539287Ssos * detect error. 122639287Ssos */ 122742504Syokota if (adp != vesa_adp) 122842504Syokota return (*prevvidsw->set_win_org)(adp, offset); 122939287Ssos 123048104Syokota /* if this is a linear frame buffer, do nothing */ 123148104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 123248104Syokota return 0; 123348104Syokota /* XXX */ 123448104Syokota if (adp->va_window_gran == 0) 123539287Ssos return 1; 123648104Syokota 123739287Ssos bzero(&vmf, sizeof(vmf)); 123839287Ssos vmf.vmf_eax = 0x4f05; 123939287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 124048104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 124139287Ssos err = vm86_intcall(0x10, &vmf); 124250445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 124343664Syokota return 1; 124443664Syokota bzero(&vmf, sizeof(vmf)); 124543664Syokota vmf.vmf_eax = 0x4f05; 124643664Syokota vmf.vmf_ebx = 1; /* WINDOW_B, XXX */ 124748104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 124843664Syokota err = vm86_intcall(0x10, &vmf); 124948104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 125043664Syokota return 0; /* XXX */ 125139287Ssos} 125239287Ssos 125339287Ssosstatic int 125442504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 125539287Ssos{ 125642504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 125739287Ssos} 125839287Ssos 125939287Ssosstatic int 126042504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 126139287Ssos{ 126242504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 126339287Ssos} 126439287Ssos 126539287Ssosstatic int 126642504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 126742504Syokota int celsize, int blink) 126839287Ssos{ 126942504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 127042504Syokota blink); 127142504Syokota} 127242504Syokota 127342504Syokotastatic int 127448104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 127542504Syokota{ 127648104Syokota /* XXX: use VESA DPMS */ 127748104Syokota return (*prevvidsw->blank_display)(adp, mode); 127842504Syokota} 127942504Syokota 128042504Syokotastatic int 1281111462Smuxvesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_offset_t *paddr, 1282111462Smux int prot) 128342504Syokota{ 128448104Syokota#if VESA_DEBUG > 0 128548104Syokota printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n", 128648104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 128742504Syokota#endif 128839287Ssos 128948104Syokota if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) { 129048104Syokota /* va_window_size == va_buffer_size/vi_planes */ 129148104Syokota /* XXX: is this correct? */ 129248104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 129348104Syokota return -1; 1294111462Smux *paddr = adp->va_info.vi_buffer + offset; 1295111462Smux return 0; 129648104Syokota } else { 1297111462Smux return (*prevvidsw->mmap)(adp, offset, paddr, prot); 129848104Syokota } 129948104Syokota} 130048104Syokota 130148104Syokotastatic int 130248104Syokotavesa_clear(video_adapter_t *adp) 130348104Syokota{ 130448104Syokota return (*prevvidsw->clear)(adp); 130548104Syokota} 130648104Syokota 130748104Syokotastatic int 130848104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 130948104Syokota{ 131048104Syokota return (*prevvidsw->fill_rect)(adp, val, x, y, cx, cy); 131148104Syokota} 131248104Syokota 131348104Syokotastatic int 131448104Syokotavesa_bitblt(video_adapter_t *adp,...) 131548104Syokota{ 131648104Syokota /* FIXME */ 131748104Syokota return 1; 131848104Syokota} 131948104Syokota 132048104Syokotastatic int 132148104Syokotaget_palette(video_adapter_t *adp, int base, int count, 132248104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 132348104Syokota{ 132448104Syokota u_char *r; 132548104Syokota u_char *g; 132648104Syokota u_char *b; 132748104Syokota int bits; 132848104Syokota int error; 132948104Syokota 1330101557Srwatson if ((base < 0) || (base >= 256) || (count < 0) || (count > 256)) 133148104Syokota return 1; 1332101557Srwatson if ((base + count) > 256) 1333101557Srwatson return 1; 133448104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode)) 133548104Syokota return 1; 133648104Syokota 133748104Syokota bits = vesa_bios_get_dac(); 133848104Syokota if (bits <= 6) 133948104Syokota return 1; 134048104Syokota 1341111119Simp r = malloc(count*3, M_DEVBUF, M_WAITOK); 134248104Syokota g = r + count; 134348104Syokota b = g + count; 134448104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 134548104Syokota if (error == 0) { 134648104Syokota copyout(r, red, count); 134748104Syokota copyout(g, green, count); 134848104Syokota copyout(b, blue, count); 134948104Syokota if (trans != NULL) { 135048104Syokota bzero(r, count); 135148104Syokota copyout(r, trans, count); 135248104Syokota } 135348104Syokota } 135448104Syokota free(r, M_DEVBUF); 135548104Syokota 135648104Syokota /* if error && bits != 6 at this point, we are in in trouble... XXX */ 135748104Syokota return error; 135848104Syokota} 135948104Syokota 136048104Syokotastatic int 136148104Syokotaset_palette(video_adapter_t *adp, int base, int count, 136248104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 136348104Syokota{ 136448104Syokota return 1; 136548104Syokota#if notyet 136648104Syokota u_char *r; 136748104Syokota u_char *g; 136848104Syokota u_char *b; 136948104Syokota int bits; 137048104Syokota int error; 137148104Syokota 137248104Syokota if ((base < 0) || (base >= 256) || (base + count > 256)) 137348104Syokota return 1; 137448104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode) 137548104Syokota || ((bits = vesa_bios_set_dac(8)) <= 6)) 137648104Syokota return 1; 137748104Syokota 1378111119Simp r = malloc(count*3, M_DEVBUF, M_WAITOK); 137948104Syokota g = r + count; 138048104Syokota b = g + count; 138148104Syokota copyin(red, r, count); 138248104Syokota copyin(green, g, count); 138348104Syokota copyin(blue, b, count); 138448104Syokota 138548104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 138648104Syokota free(r, M_DEVBUF); 138748104Syokota if (error == 0) 138848104Syokota return 0; 138948104Syokota 139048104Syokota /* if the following call fails, we are in trouble... XXX */ 139148104Syokota vesa_bios_set_dac(6); 139248104Syokota return 1; 139348104Syokota#endif /* notyet */ 139448104Syokota} 139548104Syokota 139648104Syokotastatic int 139748104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 139848104Syokota{ 139950446Syokota int bytes; 140050446Syokota 140142504Syokota if (adp != vesa_adp) 140248104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 140348104Syokota 140448104Syokota switch (cmd) { 140548104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 140650792Syokota if (!VESA_MODE(adp->va_mode)) 140750792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 140848104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 140948104Syokota 141048104Syokota case FBIO_SETDISPSTART: /* set display start address */ 141150792Syokota if (!VESA_MODE(adp->va_mode)) 141250792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 141348104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 141448104Syokota ((video_display_start_t *)arg)->y)) 141548104Syokota return ENODEV; 141648104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 141748104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 141848104Syokota return 0; 141948104Syokota 142048104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 142150792Syokota if (!VESA_MODE(adp->va_mode)) 142250792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 142350446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 142448104Syokota return ENODEV; 142550446Syokota adp->va_line_width = bytes; 142650446Syokota#if VESA_DEBUG > 1 142750446Syokota printf("new line width:%d\n", adp->va_line_width); 142850446Syokota#endif 142948104Syokota return 0; 143048104Syokota 143148104Syokota case FBIO_GETPALETTE: /* get color palette */ 143248104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 143348104Syokota ((video_color_palette_t *)arg)->count, 143448104Syokota ((video_color_palette_t *)arg)->red, 143548104Syokota ((video_color_palette_t *)arg)->green, 143648104Syokota ((video_color_palette_t *)arg)->blue, 143748104Syokota ((video_color_palette_t *)arg)->transparent)) 143848104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 143948104Syokota return 0; 144048104Syokota 144148104Syokota 144248104Syokota case FBIO_SETPALETTE: /* set color palette */ 144348104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 144448104Syokota ((video_color_palette_t *)arg)->count, 144548104Syokota ((video_color_palette_t *)arg)->red, 144648104Syokota ((video_color_palette_t *)arg)->green, 144748104Syokota ((video_color_palette_t *)arg)->blue, 144848104Syokota ((video_color_palette_t *)arg)->transparent)) 144948104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 145048104Syokota return 0; 145148104Syokota 145248104Syokota case FBIOGETCMAP: /* get color palette */ 145348104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 145448104Syokota ((struct fbcmap *)arg)->count, 145548104Syokota ((struct fbcmap *)arg)->red, 145648104Syokota ((struct fbcmap *)arg)->green, 145748104Syokota ((struct fbcmap *)arg)->blue, NULL)) 145848104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 145948104Syokota return 0; 146048104Syokota 146148104Syokota case FBIOPUTCMAP: /* set color palette */ 146248104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 146348104Syokota ((struct fbcmap *)arg)->count, 146448104Syokota ((struct fbcmap *)arg)->red, 146548104Syokota ((struct fbcmap *)arg)->green, 146648104Syokota ((struct fbcmap *)arg)->blue, NULL)) 146748104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 146848104Syokota return 0; 146948104Syokota 147048104Syokota default: 147148104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 147248104Syokota } 147348104Syokota} 147448104Syokota 147548104Syokotastatic int 147648104Syokotavesa_diag(video_adapter_t *adp, int level) 147748104Syokota{ 147848104Syokota int error; 147948104Syokota 148048104Syokota /* call the previous handler first */ 148148104Syokota error = (*prevvidsw->diag)(adp, level); 148248104Syokota if (error) 148348104Syokota return error; 148448104Syokota 148548104Syokota if (adp != vesa_adp) 148642504Syokota return 1; 148742504Syokota 148848104Syokota if (level <= 0) 148948104Syokota return 0; 149048104Syokota 149148104Syokota return 0; 149248104Syokota} 149348104Syokota 149448104Syokotastatic int 149548104Syokotavesa_bios_info(int level) 149648104Syokota{ 149748104Syokota#if VESA_DEBUG > 1 149848104Syokota struct vesa_mode vmode; 149948104Syokota int i; 150039591Syokota#endif 150139591Syokota 150239287Ssos /* general adapter information */ 150339287Ssos printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 150439287Ssos ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 150539287Ssos + ((vesa_adp_info->v_version & 0x0f00) >> 8), 150639287Ssos ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 150739287Ssos + (vesa_adp_info->v_version & 0x000f), 150839287Ssos vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 150939287Ssos vesa_vmodetab, vesa_adp_info->v_modetable); 151039287Ssos /* OEM string */ 151139858Syokota if (vesa_oemstr != NULL) 151239858Syokota printf("VESA: %s\n", vesa_oemstr); 151339287Ssos 151439287Ssos if (level <= 0) 151539287Ssos return 0; 151639287Ssos 151739287Ssos if (vesa_adp_info->v_version >= 0x0200) { 151848104Syokota /* vender name, product name, product revision */ 151948104Syokota printf("VESA: %s %s %s\n", 152048104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 152148104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 152248104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 152339287Ssos } 152439287Ssos 152542504Syokota#if VESA_DEBUG > 1 152639287Ssos /* mode information */ 152739858Syokota for (i = 0; 152839858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 152939858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 153039287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 153139287Ssos continue; 153239287Ssos 153339287Ssos /* print something for diagnostic purpose */ 153439287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 153539287Ssos vesa_vmodetab[i], vmode.v_modeattr); 153639287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 153739287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 153839287Ssos printf(", G %dx%dx%d %d, ", 153939287Ssos vmode.v_width, vmode.v_height, 154039287Ssos vmode.v_bpp, vmode.v_planes); 154139287Ssos } else { 154239287Ssos printf(", T %dx%d, ", 154339287Ssos vmode.v_width, vmode.v_height); 154439287Ssos } 154548104Syokota printf("font:%dx%d, ", 154639287Ssos vmode.v_cwidth, vmode.v_cheight); 154748104Syokota printf("pages:%d, mem:%d", 154848104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 154939287Ssos } 155039287Ssos if (vmode.v_modeattr & V_MODELFB) { 155148104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 155248104Syokota vmode.v_lfb, vmode.v_offscreen, 155348104Syokota vmode.v_offscreensize*1024); 155439287Ssos } 155539287Ssos printf("\n"); 155639287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 155739287Ssos vmode.v_waseg, vmode.v_waattr, 155839287Ssos vmode.v_wbseg, vmode.v_wbattr); 155939287Ssos printf("size:%dk, gran:%dk\n", 156039287Ssos vmode.v_wsize, vmode.v_wgran); 156139287Ssos } 156248104Syokota#endif /* VESA_DEBUG > 1 */ 156339287Ssos 156439287Ssos return 0; 156539287Ssos} 156639287Ssos 156739287Ssos/* module loading */ 156839287Ssos 156942504Syokotastatic int 157039287Ssosvesa_load(void) 157139287Ssos{ 157239287Ssos int error; 157339287Ssos int s; 157439287Ssos 157539287Ssos if (vesa_init_done) 157639287Ssos return 0; 157739287Ssos 157842504Syokota /* locate a VGA adapter */ 157942504Syokota s = spltty(); 158039287Ssos vesa_adp = NULL; 158142504Syokota error = vesa_configure(0); 158242504Syokota splx(s); 158339287Ssos 158439287Ssos if (error == 0) 158548104Syokota vesa_bios_info(bootverbose); 158639287Ssos 158739287Ssos return error; 158839287Ssos} 158939287Ssos 159039287Ssosstatic int 159142179Syokotavesa_unload(void) 159239287Ssos{ 159345117Syokota u_char palette[256*3]; 159439287Ssos int error; 159545117Syokota int bits; 159639287Ssos int s; 159739287Ssos 159839287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 159939287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 160039287Ssos return EBUSY; 160139287Ssos /* 160239287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 160339287Ssos * we shouldn't be unloading! XXX 160439287Ssos */ 160539287Ssos 160639287Ssos s = spltty(); 160739287Ssos if ((error = vesa_unload_ioctl()) == 0) { 160844162Syokota if (vesa_adp != NULL) { 160945117Syokota if (vesa_adp_info->v_flags & V_DAC8) { 161045117Syokota bits = vesa_bios_get_dac(); 161145117Syokota if (bits > 6) { 161245117Syokota vesa_bios_save_palette(0, 256, 161345117Syokota palette, bits); 161445117Syokota vesa_bios_set_dac(6); 161545117Syokota vesa_bios_load_palette(0, 256, 161645117Syokota palette, 6); 161745117Syokota } 161845117Syokota } 161939287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 162044162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 162144162Syokota } 162239287Ssos } 162339287Ssos splx(s); 162439287Ssos 162539287Ssos return error; 162639287Ssos} 162739287Ssos 162842179Syokotastatic int 162942179Syokotavesa_mod_event(module_t mod, int type, void *data) 163039287Ssos{ 163142179Syokota switch (type) { 163242179Syokota case MOD_LOAD: 163342179Syokota return vesa_load(); 163442179Syokota case MOD_UNLOAD: 163542179Syokota return vesa_unload(); 163642179Syokota default: 163742179Syokota break; 163842179Syokota } 163942179Syokota return 0; 164039287Ssos} 164139287Ssos 164242179Syokotastatic moduledata_t vesa_mod = { 164342179Syokota "vesa", 164442179Syokota vesa_mod_event, 164542179Syokota NULL, 164642179Syokota}; 164739287Ssos 164842504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 164942179Syokota 165056836Speter#endif /* VGA_NO_MODE_CHANGE */ 1651