vesa.c revision 43664
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 * 2643664Syokota * $Id: vesa.c,v 1.15 1999/01/17 14:12:48 yokota Exp $ 2739287Ssos */ 2839287Ssos 2942504Syokota#include "vga.h" 3042504Syokota#include "opt_vga.h" 3139287Ssos#include "opt_vesa.h" 3239287Ssos#include "opt_vm86.h" 3342504Syokota#include "opt_fb.h" 3439287Ssos 3542504Syokota#ifdef VGA_NO_MODE_CHANGE 3642504Syokota#undef VESA 3742504Syokota#endif 3839287Ssos 3942504Syokota#if (NVGA > 0 && defined(VESA) && defined(VM86)) || defined(KLD_MODULE) 4042504Syokota 4139287Ssos#include <sys/param.h> 4239287Ssos#include <sys/systm.h> 4339287Ssos#include <sys/kernel.h> 4442179Syokota#include <sys/module.h> 4539287Ssos#include <sys/malloc.h> 4639287Ssos#include <vm/vm.h> 4739287Ssos#include <vm/pmap.h> 4839287Ssos 4939287Ssos#include <machine/console.h> 5039287Ssos#include <machine/md_var.h> 5139287Ssos#include <machine/vm86.h> 5239287Ssos#include <machine/pc/bios.h> 5339287Ssos#include <machine/pc/vesa.h> 5439287Ssos 5542504Syokota#include <dev/fb/fbreg.h> 5642504Syokota#include <dev/fb/vgareg.h> 5739287Ssos 5842504Syokota#ifndef __i386__ 5942504Syokota#include <isa/isareg.h> 6042504Syokota#else 6142504Syokota#include <i386/isa/isa.h> 6242504Syokota#endif 6342504Syokota 6442504Syokota#ifndef VESA_DEBUG 6542611Syokota#define VESA_DEBUG 0 6642504Syokota#endif 6742504Syokota 6839287Ssos/* VESA video adapter state buffer stub */ 6939287Ssosstruct adp_state { 7039287Ssos int sig; 7139287Ssos#define V_STATE_SIG 0x61736576 7239287Ssos u_char regs[1]; 7339287Ssos}; 7439287Ssostypedef struct adp_state adp_state_t; 7539287Ssos 7639287Ssos/* VESA video adapter */ 7739287Ssosstatic video_adapter_t *vesa_adp = NULL; 7839287Ssosstatic int vesa_state_buf_size = 0; 7942504Syokota#if 0 8039287Ssosstatic void *vesa_state_buf = NULL; 8142504Syokota#endif 8239287Ssos 8339287Ssos/* VESA functions */ 8442504Syokotastatic int vesa_nop(void); 8542504Syokotastatic vi_probe_t vesa_probe; 8639287Ssosstatic vi_init_t vesa_init; 8739287Ssosstatic vi_get_info_t vesa_get_info; 8839287Ssosstatic vi_query_mode_t vesa_query_mode; 8939287Ssosstatic vi_set_mode_t vesa_set_mode; 9039287Ssosstatic vi_save_font_t vesa_save_font; 9139287Ssosstatic vi_load_font_t vesa_load_font; 9239287Ssosstatic vi_show_font_t vesa_show_font; 9339287Ssosstatic vi_save_palette_t vesa_save_palette; 9439287Ssosstatic vi_load_palette_t vesa_load_palette; 9539287Ssosstatic vi_set_border_t vesa_set_border; 9639287Ssosstatic vi_save_state_t vesa_save_state; 9739287Ssosstatic vi_load_state_t vesa_load_state; 9839287Ssosstatic vi_set_win_org_t vesa_set_origin; 9939287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 10039287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 10142504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 10242504Syokotastatic vi_mmap_t vesa_mmap; 10339287Ssosstatic vi_diag_t vesa_diag; 10439287Ssos 10542504Syokotastatic video_switch_t vesavidsw = { 10642504Syokota vesa_probe, 10742504Syokota vesa_init, 10842504Syokota vesa_get_info, 10942504Syokota vesa_query_mode, 11042504Syokota vesa_set_mode, 11142504Syokota vesa_save_font, 11242504Syokota vesa_load_font, 11342504Syokota vesa_show_font, 11442504Syokota vesa_save_palette, 11542504Syokota vesa_load_palette, 11642504Syokota vesa_set_border, 11742504Syokota vesa_save_state, 11842504Syokota vesa_load_state, 11942504Syokota vesa_set_origin, 12042504Syokota vesa_read_hw_cursor, 12142504Syokota vesa_set_hw_cursor, 12242504Syokota vesa_set_hw_cursor_shape, 12342504Syokota (vi_blank_display_t *)vesa_nop, 12442504Syokota vesa_mmap, 12539287Ssos vesa_diag, 12639287Ssos}; 12739287Ssos 12842504Syokotastatic video_switch_t *prevvidsw; 12939287Ssos 13039287Ssos/* VESA BIOS video modes */ 13139287Ssos#define VESA_MAXMODES 64 13239287Ssos#define EOT (-1) 13339287Ssos#define NA (-2) 13439287Ssos 13539287Ssosstatic video_info_t vesa_vmode[VESA_MAXMODES + 1] = { 13639287Ssos { EOT, }, 13739287Ssos}; 13839287Ssos 13939287Ssosstatic int vesa_init_done = FALSE; 14039287Ssosstatic int has_vesa_bios = FALSE; 14139287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 14239287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 14339858Syokotastatic char *vesa_oemstr = NULL; 14439858Syokotastatic char *vesa_venderstr = NULL; 14539858Syokotastatic char *vesa_prodstr = NULL; 14639858Syokotastatic char *vesa_revstr = NULL; 14739287Ssos 14839287Ssos/* local macros and functions */ 14939287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 15039287Ssos 15142504Syokotastatic int int10_set_mode(int mode); 15239287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 15339287Ssosstatic int vesa_bios_set_mode(int mode); 15439287Ssosstatic int vesa_bios_set_dac(int bits); 15542729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 15642729Syokota int bits); 15742729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 15842729Syokota int bits); 15939287Ssos#define STATE_SIZE 0 16039287Ssos#define STATE_SAVE 1 16139287Ssos#define STATE_LOAD 2 16239287Ssos#define STATE_HW (1<<0) 16339287Ssos#define STATE_DATA (1<<1) 16439287Ssos#define STATE_DAC (1<<2) 16539287Ssos#define STATE_REG (1<<3) 16639287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 16739287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 16839287Ssosstatic int vesa_bios_state_buf_size(void); 16939287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 17043664Syokotastatic int vesa_bios_get_line_length(void); 17139591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 17239591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 17339858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 17439858Syokota u_char *buf); 17539287Ssosstatic int vesa_bios_init(void); 17639591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 17739287Ssos 17839287Ssosstatic void 17939287Ssosdump_buffer(u_char *buf, size_t len) 18039287Ssos{ 18139287Ssos int i; 18239287Ssos 18339287Ssos for(i = 0; i < len;) { 18439287Ssos printf("%02x ", buf[i]); 18539287Ssos if ((++i % 16) == 0) 18639287Ssos printf("\n"); 18739287Ssos } 18839287Ssos} 18939287Ssos 19042504Syokota/* INT 10 BIOS calls */ 19142504Syokotastatic int 19242504Syokotaint10_set_mode(int mode) 19342504Syokota{ 19442504Syokota struct vm86frame vmf; 19542504Syokota 19642504Syokota bzero(&vmf, sizeof(vmf)); 19742504Syokota vmf.vmf_eax = 0x0000 | mode; 19842504Syokota vm86_intcall(0x10, &vmf); 19942504Syokota return 0; 20042504Syokota} 20142504Syokota 20239287Ssos/* VESA BIOS calls */ 20339287Ssosstatic int 20439287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 20539287Ssos{ 20639287Ssos struct vm86frame vmf; 20739287Ssos u_char buf[256]; 20839287Ssos int err; 20939287Ssos 21039287Ssos bzero(&vmf, sizeof(vmf)); 21139287Ssos bzero(buf, sizeof(buf)); 21239287Ssos vmf.vmf_eax = 0x4f01; 21339287Ssos vmf.vmf_ecx = mode; 21439287Ssos err = vm86_datacall(0x10, &vmf, (char *)buf, sizeof(buf), 21539287Ssos &vmf.vmf_es, &vmf.vmf_di); 21639287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) 21739287Ssos return 1; 21839287Ssos bcopy(buf, vmode, sizeof(*vmode)); 21939287Ssos return 0; 22039287Ssos} 22139287Ssos 22239287Ssosstatic int 22339287Ssosvesa_bios_set_mode(int mode) 22439287Ssos{ 22539287Ssos struct vm86frame vmf; 22639287Ssos int err; 22739287Ssos 22839287Ssos bzero(&vmf, sizeof(vmf)); 22939287Ssos vmf.vmf_eax = 0x4f02; 23039287Ssos vmf.vmf_ebx = mode; 23139287Ssos err = vm86_intcall(0x10, &vmf); 23239287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 23339287Ssos} 23439287Ssos 23539287Ssosstatic int 23639287Ssosvesa_bios_set_dac(int bits) 23739287Ssos{ 23839287Ssos struct vm86frame vmf; 23939287Ssos int err; 24039287Ssos 24139287Ssos bzero(&vmf, sizeof(vmf)); 24239287Ssos vmf.vmf_eax = 0x4f08; 24339287Ssos vmf.vmf_ebx = (bits << 8); 24439287Ssos err = vm86_intcall(0x10, &vmf); 24542729Syokota if ((err != 0) || (vmf.vmf_eax != 0x4f)) 24642729Syokota return 6; /* XXX */ 24742729Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 24839287Ssos} 24939287Ssos 25039287Ssosstatic int 25142729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 25239287Ssos{ 25339287Ssos struct vm86frame vmf; 25439287Ssos u_char *p; 25539287Ssos int err; 25639287Ssos int i; 25739287Ssos 25839287Ssos p = malloc(colors*4, M_DEVBUF, M_WAITOK); 25939287Ssos 26039287Ssos bzero(&vmf, sizeof(vmf)); 26139287Ssos vmf.vmf_eax = 0x4f09; 26239287Ssos vmf.vmf_ebx = 1; /* get primary palette data */ 26339287Ssos vmf.vmf_ecx = colors; 26439287Ssos vmf.vmf_edx = start; 26539287Ssos err = vm86_datacall(0x10, &vmf, p, colors*4, &vmf.vmf_es, &vmf.vmf_di); 26639287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) { 26739287Ssos free(p, M_DEVBUF); 26839287Ssos return 1; 26939287Ssos } 27039287Ssos 27142729Syokota bits = 8 - bits; 27239287Ssos for (i = 0; i < colors; ++i) { 27342729Syokota palette[i*3] = p[i*4 + 2] << bits; 27442729Syokota palette[i*3 + 1] = p[i*4 + 1] << bits; 27542729Syokota palette[i*3 + 2] = p[i*4] << bits; 27639287Ssos } 27739287Ssos free(p, M_DEVBUF); 27839287Ssos return 0; 27939287Ssos} 28039287Ssos 28139287Ssosstatic int 28242729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 28339287Ssos{ 28439287Ssos struct vm86frame vmf; 28539287Ssos u_char *p; 28639287Ssos int err; 28739287Ssos int i; 28839287Ssos 28939287Ssos p = malloc(colors*4, M_DEVBUF, M_WAITOK); 29042729Syokota bits = 8 - bits; 29139287Ssos for (i = 0; i < colors; ++i) { 29242729Syokota p[i*4] = palette[i*3 + 2] >> bits; 29342729Syokota p[i*4 + 1] = palette[i*3 + 1] >> bits; 29442729Syokota p[i*4 + 2] = palette[i*3] >> bits; 29542729Syokota p[i*4 + 3] = 0; 29639287Ssos } 29739287Ssos 29839287Ssos bzero(&vmf, sizeof(vmf)); 29939287Ssos vmf.vmf_eax = 0x4f09; 30039287Ssos vmf.vmf_ebx = 0; /* set primary palette data */ 30139287Ssos vmf.vmf_ecx = colors; 30239287Ssos vmf.vmf_edx = start; 30339287Ssos err = vm86_datacall(0x10, &vmf, p, colors*4, &vmf.vmf_es, &vmf.vmf_di); 30439287Ssos free(p, M_DEVBUF); 30539287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 30639287Ssos} 30739287Ssos 30839287Ssosstatic int 30939287Ssosvesa_bios_state_buf_size(void) 31039287Ssos{ 31139287Ssos struct vm86frame vmf; 31239287Ssos int err; 31339287Ssos 31439287Ssos bzero(&vmf, sizeof(vmf)); 31539287Ssos vmf.vmf_eax = 0x4f04; 31639287Ssos vmf.vmf_ecx = STATE_MOST; 31739287Ssos vmf.vmf_edx = STATE_SIZE; 31839287Ssos err = vm86_intcall(0x10, &vmf); 31939287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) 32039287Ssos return 0; 32139287Ssos return vmf.vmf_ebx*64; 32239287Ssos} 32339287Ssos 32439287Ssosstatic int 32539287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 32639287Ssos{ 32739287Ssos struct vm86frame vmf; 32839287Ssos int err; 32939287Ssos 33039287Ssos bzero(&vmf, sizeof(vmf)); 33139287Ssos vmf.vmf_eax = 0x4f04; 33239287Ssos vmf.vmf_ecx = STATE_MOST; 33339287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 33439287Ssos err = vm86_datacall(0x10, &vmf, (char *)p, size, 33539287Ssos &vmf.vmf_es, &vmf.vmf_bx); 33639287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 33739287Ssos} 33839287Ssos 33943664Syokotastatic int 34043664Syokotavesa_bios_get_line_length(void) 34143664Syokota{ 34243664Syokota struct vm86frame vmf; 34343664Syokota int err; 34443664Syokota 34543664Syokota bzero(&vmf, sizeof(vmf)); 34643664Syokota vmf.vmf_eax = 0x4f06; 34743664Syokota vmf.vmf_ebx = 1; /* get scan line length */ 34843664Syokota err = vm86_intcall(0x10, &vmf); 34943664Syokota if ((err != 0) || (vmf.vmf_eax != 0x4f)) 35043664Syokota return -1; 35143664Syokota return vmf.vmf_bx; /* line length in bytes */ 35243664Syokota} 35343664Syokota 35439591Syokota/* map a generic video mode to a known mode */ 35539287Ssosstatic int 35639591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 35739287Ssos{ 35839591Syokota static struct { 35939591Syokota int from; 36039591Syokota int to; 36139591Syokota } mode_map[] = { 36239591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 36339591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 36439591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 36539591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 36639591Syokota }; 36739591Syokota int i; 36839591Syokota 36939591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 37039591Syokota if (mode_map[i].from == mode) 37139591Syokota return mode_map[i].to; 37239591Syokota } 37339591Syokota return mode; 37439591Syokota} 37539591Syokota 37639591Syokotastatic int 37739591Syokotavesa_translate_flags(u_int16_t vflags) 37839591Syokota{ 37939287Ssos static struct { 38039287Ssos u_int16_t mask; 38139287Ssos int set; 38239287Ssos int reset; 38339287Ssos } ftable[] = { 38439287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 38539287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 38642235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 38739287Ssos }; 38839287Ssos int flags; 38939287Ssos int i; 39039287Ssos 39139287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 39239287Ssos flags |= (vflags & ftable[i].mask) ? 39339287Ssos ftable[i].set : ftable[i].reset; 39439287Ssos } 39539287Ssos return flags; 39639287Ssos} 39739287Ssos 39839858Syokotastatic void 39939858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 40039858Syokota{ 40139858Syokota if (p == 0) 40239858Syokota return NULL; 40339858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 40439858Syokota return (void *)(buf + ((p & 0xffff) - off)); 40539858Syokota else { 40639858Syokota p = BIOS_SADDRTOLADDR(p); 40739858Syokota return (void *)BIOS_PADDRTOVADDR(p); 40839858Syokota } 40939858Syokota} 41039858Syokota 41139287Ssosstatic int 41239287Ssosvesa_bios_init(void) 41339287Ssos{ 41439780Sache static u_char buf[512]; 41539287Ssos struct vm86frame vmf; 41639287Ssos struct vesa_mode vmode; 41739287Ssos int modes; 41839287Ssos int err; 41939287Ssos int i; 42039287Ssos 42139287Ssos if (vesa_init_done) 42239287Ssos return 0; 42339287Ssos 42439287Ssos has_vesa_bios = FALSE; 42539287Ssos vesa_adp_info = NULL; 42639287Ssos vesa_vmode[0].vi_mode = EOT; 42739287Ssos 42839287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 42939780Sache bzero(buf, sizeof(buf)); 43039780Sache bcopy("VBE2", buf, 4); /* try for VBE2 data */ 43139744Sache vmf.vmf_eax = 0x4f00; 43239780Sache err = vm86_datacall(0x10, &vmf, (char *)buf, sizeof(buf), 43339287Ssos &vmf.vmf_es, &vmf.vmf_di); 43439287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f) || bcmp("VESA", buf, 4)) 43539287Ssos return 1; 43639287Ssos vesa_adp_info = (struct vesa_info *)buf; 43742504Syokota if (bootverbose) { 43842504Syokota printf("VESA: information block\n"); 43939287Ssos dump_buffer(buf, 64); 44042504Syokota } 44139287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 44239287Ssos return 1; 44339287Ssos 44439858Syokota /* fix string ptrs */ 44539858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 44639858Syokota vmf.vmf_es, vmf.vmf_di, buf); 44739858Syokota if (vesa_adp_info->v_version >= 0x0200) { 44839858Syokota vesa_venderstr = 44939858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr, 45039858Syokota vmf.vmf_es, vmf.vmf_di, buf); 45139858Syokota vesa_prodstr = 45239858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr, 45339858Syokota vmf.vmf_es, vmf.vmf_di, buf); 45439858Syokota vesa_revstr = 45539858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_revstr, 45639858Syokota vmf.vmf_es, vmf.vmf_di, buf); 45739858Syokota } 45839858Syokota 45939287Ssos /* obtain video mode information */ 46039858Syokota vesa_vmode[0].vi_mode = EOT; 46139858Syokota vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable, 46239858Syokota vmf.vmf_es, vmf.vmf_di, buf); 46339858Syokota if (vesa_vmodetab == NULL) 46439858Syokota return 1; 46539858Syokota for (i = 0, modes = 0; 46639858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 46739858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 46839287Ssos if (modes >= VESA_MAXMODES) 46939287Ssos break; 47039287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 47139287Ssos continue; 47239287Ssos 47339287Ssos /* reject unsupported modes */ 47439287Ssos#if 0 47539287Ssos if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO 47639287Ssos | V_MODENONVGA)) 47739287Ssos != (V_MODESUPP | V_MODEOPTINFO)) 47839287Ssos continue; 47939287Ssos#else 48039287Ssos if ((vmode.v_modeattr & (V_MODEOPTINFO | V_MODENONVGA)) 48139287Ssos != (V_MODEOPTINFO)) 48239287Ssos continue; 48339287Ssos#endif 48439287Ssos 48539287Ssos /* copy some fields */ 48639287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 48739287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 48839287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 48939287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 49039287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 49139287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 49239287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 49339287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 49439287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 49539287Ssos /* XXX window B */ 49639858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 49739858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 49839287Ssos vesa_vmode[modes].vi_buffer = vmode.v_lfb; 49943664Syokota /* XXX */ 50043664Syokota if (vmode.v_offscreen > vmode.v_lfb) 50143664Syokota vesa_vmode[modes].vi_buffer_size 50243664Syokota = vmode.v_offscreen - vmode.v_lfb; 50343664Syokota else 50443664Syokota vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen; 50539287Ssos /* pixel format, memory model... */ 50643664Syokota 50739591Syokota vesa_vmode[modes].vi_flags 50839591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 50939287Ssos ++modes; 51039287Ssos } 51139287Ssos vesa_vmode[modes].vi_mode = EOT; 51239287Ssos if (bootverbose) 51339287Ssos printf("VESA: %d mode(s) found\n", modes); 51439287Ssos 51539858Syokota has_vesa_bios = (modes > 0); 51639858Syokota return (has_vesa_bios ? 0 : 1); 51739287Ssos} 51839287Ssos 51939287Ssosstatic void 52039591Syokotavesa_clear_modes(video_info_t *info, int color) 52139287Ssos{ 52239287Ssos while (info->vi_mode != EOT) { 52339287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 52439287Ssos info->vi_mode = NA; 52539287Ssos ++info; 52639287Ssos } 52739287Ssos} 52839287Ssos 52942504Syokota/* entry points */ 53039287Ssos 53139287Ssosstatic int 53242504Syokotavesa_configure(int flags) 53339287Ssos{ 53442504Syokota video_adapter_t *adp; 53539287Ssos int adapters; 53642504Syokota int error; 53739287Ssos int i; 53839287Ssos 53942504Syokota if (vesa_init_done) 54042504Syokota return 0; 54142504Syokota if (flags & VIO_PROBE_ONLY) 54242504Syokota return 0; /* XXX */ 54342504Syokota 54442504Syokota /* 54542504Syokota * If the VESA module has already been loaded, abort loading 54642504Syokota * the module this time. 54742504Syokota */ 54842504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 54942504Syokota if (adp->va_flags & V_ADP_VESA) 55042504Syokota return ENXIO; 55142504Syokota if (adp->va_type == KD_VGA) 55242504Syokota break; 55339287Ssos } 55442504Syokota /* 55542504Syokota * The VGA adapter is not found. This is because either 55642504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 55742504Syokota * is not present. If 1) is the case, we shall defer 55842504Syokota * initialization for now and try again later. 55942504Syokota */ 56042504Syokota if (adp == NULL) { 56142504Syokota vga_sub_configure = vesa_configure; 56242504Syokota return ENODEV; 56342504Syokota } 56442504Syokota 56542504Syokota /* count number of registered adapters */ 56642504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 56742504Syokota ; 56842504Syokota adapters = i; 56942504Syokota 57042504Syokota /* call VESA BIOS */ 57142504Syokota vesa_adp = adp; 57242504Syokota if (vesa_bios_init()) { 57342504Syokota vesa_adp = NULL; 57442504Syokota return ENXIO; 57542504Syokota } 57642504Syokota vesa_adp->va_flags |= V_ADP_VESA; 57742504Syokota 57842504Syokota /* remove conflicting modes if we have more than one adapter */ 57942504Syokota if (adapters > 1) { 58042504Syokota vesa_clear_modes(vesa_vmode, 58142504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 58242504Syokota V_INFO_COLOR : 0); 58342504Syokota } 58442504Syokota 58542504Syokota if ((error = vesa_load_ioctl()) == 0) { 58642504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 58742504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 58842504Syokota vesa_init_done = TRUE; 58942504Syokota } else { 59042504Syokota vesa_adp = NULL; 59142504Syokota return error; 59242504Syokota } 59342504Syokota 59442504Syokota return 0; 59539287Ssos} 59639287Ssos 59742504Syokotastatic int 59842504Syokotavesa_nop(void) 59939287Ssos{ 60042504Syokota return 0; 60139287Ssos} 60239287Ssos 60339287Ssosstatic int 60442504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 60539287Ssos{ 60642504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 60742504Syokota} 60842504Syokota 60942504Syokotastatic int 61042504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 61142504Syokota{ 61242504Syokota return (*prevvidsw->init)(unit, adp, flags); 61342504Syokota} 61442504Syokota 61542504Syokotastatic int 61642504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 61742504Syokota{ 61839287Ssos int i; 61939287Ssos 62042504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 62139287Ssos return 0; 62239287Ssos 62342504Syokota if (adp != vesa_adp) 62439287Ssos return 1; 62539591Syokota 62639591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 62739591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 62839287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 62939287Ssos if (vesa_vmode[i].vi_mode == NA) 63039287Ssos continue; 63139287Ssos if (vesa_vmode[i].vi_mode == mode) { 63239287Ssos *info = vesa_vmode[i]; 63339287Ssos return 0; 63439287Ssos } 63539287Ssos } 63639287Ssos return 1; 63739287Ssos} 63839287Ssos 63939287Ssosstatic int 64042504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 64139287Ssos{ 64239287Ssos int i; 64339287Ssos 64442504Syokota if ((i = (*prevvidsw->query_mode)(adp, info)) != -1) 64539287Ssos return i; 64642504Syokota if (adp != vesa_adp) 64739287Ssos return -1; 64839287Ssos 64939287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 65039287Ssos if ((info->vi_width != 0) 65139287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 65239287Ssos continue; 65339287Ssos if ((info->vi_height != 0) 65439287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 65539287Ssos continue; 65639287Ssos if ((info->vi_cwidth != 0) 65739287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 65839287Ssos continue; 65939287Ssos if ((info->vi_cheight != 0) 66039287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 66139287Ssos continue; 66239287Ssos if ((info->vi_depth != 0) 66339287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 66439287Ssos continue; 66539287Ssos if ((info->vi_planes != 0) 66639287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 66739287Ssos continue; 66839287Ssos /* pixel format, memory model */ 66939287Ssos if ((info->vi_flags != 0) 67039287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 67139287Ssos continue; 67239287Ssos return vesa_vmode[i].vi_mode; 67339287Ssos } 67439287Ssos return -1; 67539287Ssos} 67639287Ssos 67739287Ssosstatic int 67842504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 67939287Ssos{ 68039287Ssos video_info_t info; 68139287Ssos size_t len; 68239287Ssos 68342504Syokota if (adp != vesa_adp) 68442504Syokota return (*prevvidsw->set_mode)(adp, mode); 68539287Ssos 68639591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 68739591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 68842504Syokota#if VESA_DEBUG > 0 68939287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 69039287Ssos vesa_adp->va_mode, vesa_adp->va_mode, mode, mode); 69139287Ssos#endif 69239287Ssos /* 69339287Ssos * If the current mode is a VESA mode and the new mode is not, 69439287Ssos * restore the state of the adapter first, so that non-standard, 69539287Ssos * extended SVGA registers are set to the state compatible with 69642504Syokota * the standard VGA modes. Otherwise (*prevvidsw->set_mode)() 69739287Ssos * may not be able to set up the new mode correctly. 69839287Ssos */ 69939287Ssos if (VESA_MODE(vesa_adp->va_mode)) { 70042504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 70142504Syokota int10_set_mode(vesa_adp->va_initial_bios_mode); 70242504Syokota#if 0 70339287Ssos /* assert(vesa_state_buf != NULL); */ 70439287Ssos if ((vesa_state_buf == NULL) 70542504Syokota || vesa_load_state(adp, vesa_state_buf)) 70639287Ssos return 1; 70739287Ssos free(vesa_state_buf, M_DEVBUF); 70839287Ssos vesa_state_buf = NULL; 70942504Syokota#if VESA_DEBUG > 0 71039287Ssos printf("VESA: restored\n"); 71139287Ssos#endif 71242504Syokota#endif /* 0 */ 71339287Ssos } 71439287Ssos /* 71542504Syokota * once (*prevvidsw->get_info)() succeeded, 71642504Syokota * (*prevvidsw->set_mode)() below won't fail... 71739287Ssos */ 71839287Ssos } 71939287Ssos 72039287Ssos /* we may not need to handle this mode after all... */ 72142504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 72239287Ssos return 0; 72339287Ssos 72439287Ssos /* is the new mode supported? */ 72542504Syokota if (vesa_get_info(adp, mode, &info)) 72639287Ssos return 1; 72739287Ssos /* assert(VESA_MODE(mode)); */ 72839287Ssos 72942504Syokota#if VESA_DEBUG > 0 73039287Ssos printf("VESA: about to set a VESA mode...\n"); 73139287Ssos#endif 73239287Ssos /* 73339287Ssos * If the current mode is not a VESA mode, save the current state 73439287Ssos * so that the adapter state can be restored later when a non-VESA 73539287Ssos * mode is to be set up. See above. 73639287Ssos */ 73742504Syokota#if 0 73839287Ssos if (!VESA_MODE(vesa_adp->va_mode) && (vesa_state_buf == NULL)) { 73942504Syokota len = vesa_save_state(adp, NULL, 0); 74039287Ssos vesa_state_buf = malloc(len, M_DEVBUF, M_WAITOK); 74142504Syokota if (vesa_save_state(adp, vesa_state_buf, len)) { 74242504Syokota#if VESA_DEBUG > 0 74339287Ssos printf("VESA: state save failed! (len=%d)\n", len); 74439287Ssos#endif 74539287Ssos free(vesa_state_buf, M_DEVBUF); 74639287Ssos vesa_state_buf = NULL; 74739287Ssos return 1; 74839287Ssos } 74942504Syokota#if VESA_DEBUG > 0 75039287Ssos printf("VESA: saved (len=%d)\n", len); 75139287Ssos dump_buffer(vesa_state_buf, len); 75239287Ssos#endif 75339287Ssos } 75442504Syokota#endif /* 0 */ 75539287Ssos 75639287Ssos if (vesa_bios_set_mode(mode)) 75739287Ssos return 1; 75839287Ssos 75942504Syokota#if VESA_DEBUG > 0 76039287Ssos printf("VESA: mode set!\n"); 76139287Ssos#endif 76239287Ssos vesa_adp->va_mode = mode; 76339287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 76439287Ssos vesa_adp->va_flags |= 76539287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 76639287Ssos vesa_adp->va_crtc_addr = 76742504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 76839287Ssos vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 76939287Ssos vesa_adp->va_window_size = info.vi_window_size; 77039287Ssos vesa_adp->va_window_gran = info.vi_window_gran; 77139287Ssos if (info.vi_buffer_size == 0) { 77239287Ssos vesa_adp->va_buffer = 0; 77339287Ssos vesa_adp->va_buffer_size = 0; 77439287Ssos } else { 77539287Ssos vesa_adp->va_buffer = BIOS_PADDRTOVADDR(info.vi_buffer); 77639287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 77739287Ssos } 77843664Syokota bcopy(&info, &adp->va_info, sizeof(adp->va_info)); 77943664Syokota len = vesa_bios_get_line_length(); 78043664Syokota if (len > 0) 78143664Syokota adp->va_line_width = len; 78243664Syokota else if (info.vi_flags & V_INFO_GRAPHICS) 78343664Syokota adp->va_line_width = info.vi_width/8; 78443664Syokota else 78543664Syokota adp->va_line_width = info.vi_width; 78643664Syokota#if VESA_DEBUG > 0 78743664Syokota printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n", 78843664Syokota info.vi_width, len, adp->va_line_width); 78943664Syokota#endif 79039287Ssos 79142504Syokota /* move hardware cursor out of the way */ 79242504Syokota (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1); 79342504Syokota 79439287Ssos return 0; 79539287Ssos} 79639287Ssos 79739287Ssosstatic int 79842504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 79942504Syokota int ch, int count) 80039287Ssos{ 80142504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 80239287Ssos} 80339287Ssos 80439287Ssosstatic int 80542504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 80642504Syokota int ch, int count) 80739287Ssos{ 80842504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 80939287Ssos} 81039287Ssos 81139287Ssosstatic int 81242504Syokotavesa_show_font(video_adapter_t *adp, int page) 81339287Ssos{ 81442504Syokota return (*prevvidsw->show_font)(adp, page); 81539287Ssos} 81639287Ssos 81739287Ssosstatic int 81842504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 81939287Ssos{ 82042729Syokota int bits; 82142729Syokota int error; 82239287Ssos 82342729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 82442729Syokota && ((bits = vesa_bios_set_dac(8)) > 6)) { 82542729Syokota error = vesa_bios_save_palette(0, 256, palette, bits); 82642729Syokota if (error == 0) 82742729Syokota return 0; 82842729Syokota vesa_bios_set_dac(6); 82942729Syokota } 83042729Syokota 83142729Syokota return (*prevvidsw->save_palette)(adp, palette); 83239287Ssos} 83339287Ssos 83439287Ssosstatic int 83542504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 83639287Ssos{ 83742729Syokota int bits; 83842729Syokota int error; 83939287Ssos 84042729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 84142729Syokota && ((bits = vesa_bios_set_dac(8)) > 6)) { 84242729Syokota error = vesa_bios_load_palette(0, 256, palette, bits); 84342729Syokota if (error == 0) 84442729Syokota return 0; 84542729Syokota vesa_bios_set_dac(6); 84642729Syokota } 84742729Syokota 84842729Syokota return (*prevvidsw->load_palette)(adp, palette); 84939287Ssos} 85039287Ssos 85139287Ssosstatic int 85242504Syokotavesa_set_border(video_adapter_t *adp, int color) 85339287Ssos{ 85442504Syokota return (*prevvidsw->set_border)(adp, color); 85539287Ssos} 85639287Ssos 85739287Ssosstatic int 85842504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 85939287Ssos{ 86042504Syokota if (adp != vesa_adp) 86142504Syokota return (*prevvidsw->save_state)(adp, p, size); 86239287Ssos 86339287Ssos if (vesa_state_buf_size == 0) 86439287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 86539287Ssos if (size == 0) 86639287Ssos return (sizeof(int) + vesa_state_buf_size); 86739287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 86839287Ssos return 1; 86939287Ssos 87039287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 87139287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 87239287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 87339287Ssos vesa_state_buf_size); 87439287Ssos} 87539287Ssos 87639287Ssosstatic int 87742504Syokotavesa_load_state(video_adapter_t *adp, void *p) 87839287Ssos{ 87942504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 88042504Syokota return (*prevvidsw->load_state)(adp, p); 88139287Ssos 88239287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 88339287Ssos vesa_state_buf_size); 88439287Ssos} 88539287Ssos 88639287Ssosstatic int 88742504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 88839287Ssos{ 88939287Ssos struct vm86frame vmf; 89039287Ssos int err; 89139287Ssos 89239287Ssos /* 89339287Ssos * This function should return as quickly as possible to 89439287Ssos * maintain good performance of the system. For this reason, 89539287Ssos * error checking is kept minimal and let the VESA BIOS to 89639287Ssos * detect error. 89739287Ssos */ 89842504Syokota if (adp != vesa_adp) 89942504Syokota return (*prevvidsw->set_win_org)(adp, offset); 90039287Ssos 90139287Ssos if (vesa_adp->va_window_gran == 0) 90239287Ssos return 1; 90339287Ssos bzero(&vmf, sizeof(vmf)); 90439287Ssos vmf.vmf_eax = 0x4f05; 90539287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 90639287Ssos vmf.vmf_edx = offset/vesa_adp->va_window_gran; 90739287Ssos err = vm86_intcall(0x10, &vmf); 90843664Syokota if ((err != 0) || (vmf.vmf_eax != 0x4f)) 90943664Syokota return 1; 91043664Syokota bzero(&vmf, sizeof(vmf)); 91143664Syokota vmf.vmf_eax = 0x4f05; 91243664Syokota vmf.vmf_ebx = 1; /* WINDOW_B, XXX */ 91343664Syokota vmf.vmf_edx = offset/vesa_adp->va_window_gran; 91443664Syokota err = vm86_intcall(0x10, &vmf); 91543664Syokota return 0; /* XXX */ 91639287Ssos} 91739287Ssos 91839287Ssosstatic int 91942504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 92039287Ssos{ 92142504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 92239287Ssos} 92339287Ssos 92439287Ssosstatic int 92542504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 92639287Ssos{ 92742504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 92839287Ssos} 92939287Ssos 93039287Ssosstatic int 93142504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 93242504Syokota int celsize, int blink) 93339287Ssos{ 93442504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 93542504Syokota blink); 93642504Syokota} 93742504Syokota 93842504Syokotastatic int 93942504Syokotavesa_mmap(video_adapter_t *adp, vm_offset_t offset) 94042504Syokota{ 94142504Syokota return (*prevvidsw->mmap)(adp, offset); 94242504Syokota} 94342504Syokota 94442504Syokotastatic int 94542504Syokotavesa_diag(video_adapter_t *adp, int level) 94642504Syokota{ 94742504Syokota#if VESA_DEBUG > 1 94839287Ssos struct vesa_mode vmode; 94939287Ssos int i; 95042504Syokota#endif 95139287Ssos 95242504Syokota if (adp != vesa_adp) 95342504Syokota return 1; 95442504Syokota 95542179Syokota#ifndef KLD_MODULE 95639591Syokota /* call the previous handler first */ 95742504Syokota (*prevvidsw->diag)(adp, level); 95839591Syokota#endif 95939591Syokota 96039287Ssos /* general adapter information */ 96139287Ssos printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 96239287Ssos ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 96339287Ssos + ((vesa_adp_info->v_version & 0x0f00) >> 8), 96439287Ssos ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 96539287Ssos + (vesa_adp_info->v_version & 0x000f), 96639287Ssos vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 96739287Ssos vesa_vmodetab, vesa_adp_info->v_modetable); 96839287Ssos /* OEM string */ 96939858Syokota if (vesa_oemstr != NULL) 97039858Syokota printf("VESA: %s\n", vesa_oemstr); 97139287Ssos 97239287Ssos if (level <= 0) 97339287Ssos return 0; 97439287Ssos 97539287Ssos if (vesa_adp_info->v_version >= 0x0200) { 97639287Ssos /* vendor name */ 97739858Syokota if (vesa_venderstr != NULL) 97839858Syokota printf("VESA: %s\n", vesa_venderstr); 97939287Ssos /* product name */ 98039858Syokota if (vesa_prodstr != NULL) 98139858Syokota printf("VESA: %s\n", vesa_prodstr); 98239287Ssos /* product revision */ 98339858Syokota if (vesa_revstr != NULL) 98439858Syokota printf("VESA: %s\n", vesa_revstr); 98539287Ssos } 98639287Ssos 98742504Syokota#if VESA_DEBUG > 1 98839287Ssos /* mode information */ 98939858Syokota for (i = 0; 99039858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 99139858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 99239287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 99339287Ssos continue; 99439287Ssos 99539287Ssos /* print something for diagnostic purpose */ 99639287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 99739287Ssos vesa_vmodetab[i], vmode.v_modeattr); 99839287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 99939287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 100039287Ssos printf(", G %dx%dx%d %d, ", 100139287Ssos vmode.v_width, vmode.v_height, 100239287Ssos vmode.v_bpp, vmode.v_planes); 100339287Ssos } else { 100439287Ssos printf(", T %dx%d, ", 100539287Ssos vmode.v_width, vmode.v_height); 100639287Ssos } 100739287Ssos printf("font:%dx%d", 100839287Ssos vmode.v_cwidth, vmode.v_cheight); 100939287Ssos } 101039287Ssos if (vmode.v_modeattr & V_MODELFB) { 101139287Ssos printf(", mem:%d, LFB:0x%x, off:0x%x", 101239287Ssos vmode.v_memmodel, vmode.v_lfb, 101339287Ssos vmode.v_offscreen); 101439287Ssos } 101539287Ssos printf("\n"); 101639287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 101739287Ssos vmode.v_waseg, vmode.v_waattr, 101839287Ssos vmode.v_wbseg, vmode.v_wbattr); 101939287Ssos printf("size:%dk, gran:%dk\n", 102039287Ssos vmode.v_wsize, vmode.v_wgran); 102139287Ssos } 102242504Syokota#endif 102339287Ssos 102439287Ssos return 0; 102539287Ssos} 102639287Ssos 102739287Ssos/* module loading */ 102839287Ssos 102942504Syokotastatic int 103039287Ssosvesa_load(void) 103139287Ssos{ 103239287Ssos int error; 103339287Ssos int s; 103439287Ssos 103539287Ssos if (vesa_init_done) 103639287Ssos return 0; 103739287Ssos 103842504Syokota /* locate a VGA adapter */ 103942504Syokota s = spltty(); 104039287Ssos vesa_adp = NULL; 104142504Syokota error = vesa_configure(0); 104242504Syokota splx(s); 104339287Ssos 104442179Syokota#ifdef KLD_MODULE 104539287Ssos if (error == 0) 104642504Syokota vesa_diag(vesa_adp, bootverbose); 104739287Ssos#endif 104839287Ssos 104939287Ssos return error; 105039287Ssos} 105139287Ssos 105242179Syokota#ifdef KLD_MODULE 105339287Ssos 105439287Ssosstatic int 105542179Syokotavesa_unload(void) 105639287Ssos{ 105739287Ssos int error; 105839287Ssos int s; 105939287Ssos 106039287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 106139287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 106239287Ssos return EBUSY; 106339287Ssos /* 106439287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 106539287Ssos * we shouldn't be unloading! XXX 106639287Ssos */ 106739287Ssos 106839287Ssos s = spltty(); 106939287Ssos if ((error = vesa_unload_ioctl()) == 0) { 107042504Syokota if (vesa_adp != NULL) 107139287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 107242504Syokota vidsw[vesa_adp->va_index] = prevvidsw; 107339287Ssos } 107439287Ssos splx(s); 107539287Ssos 107639287Ssos return error; 107739287Ssos} 107839287Ssos 107942179Syokotastatic int 108042179Syokotavesa_mod_event(module_t mod, int type, void *data) 108139287Ssos{ 108242179Syokota switch (type) { 108342179Syokota case MOD_LOAD: 108442179Syokota return vesa_load(); 108542179Syokota case MOD_UNLOAD: 108642179Syokota return vesa_unload(); 108742179Syokota default: 108842179Syokota break; 108942179Syokota } 109042179Syokota return 0; 109139287Ssos} 109239287Ssos 109342179Syokotastatic moduledata_t vesa_mod = { 109442179Syokota "vesa", 109542179Syokota vesa_mod_event, 109642179Syokota NULL, 109742179Syokota}; 109839287Ssos 109942504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 110042179Syokota 110142504Syokota#else /* KLD_MODULE */ 110242504Syokota 110342504SyokotaSYSINIT(vesa, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, 110442504Syokota (void (*)(void *))vesa_load, NULL); 110542504Syokota 110642179Syokota#endif /* KLD_MODULE */ 110742179Syokota 110842504Syokota#endif /* (NVGA > 0 && VESA && VM86) || KLD_MODULE */ 1109