vesa.c revision 42504
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 * 2642504Syokota * $Id: $ 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 6542504Syokota#define VESA_DEBUG 1 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); 15539287Ssosstatic int vesa_bios_save_palette(int start, int colors, u_char *palette); 15639287Ssosstatic int vesa_bios_load_palette(int start, int colors, u_char *palette); 15739287Ssos#define STATE_SIZE 0 15839287Ssos#define STATE_SAVE 1 15939287Ssos#define STATE_LOAD 2 16039287Ssos#define STATE_HW (1<<0) 16139287Ssos#define STATE_DATA (1<<1) 16239287Ssos#define STATE_DAC (1<<2) 16339287Ssos#define STATE_REG (1<<3) 16439287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 16539287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 16639287Ssosstatic int vesa_bios_state_buf_size(void); 16739287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 16839591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 16939591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 17039858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 17139858Syokota u_char *buf); 17239287Ssosstatic int vesa_bios_init(void); 17339591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 17439287Ssos 17539287Ssosstatic void 17639287Ssosdump_buffer(u_char *buf, size_t len) 17739287Ssos{ 17839287Ssos int i; 17939287Ssos 18039287Ssos for(i = 0; i < len;) { 18139287Ssos printf("%02x ", buf[i]); 18239287Ssos if ((++i % 16) == 0) 18339287Ssos printf("\n"); 18439287Ssos } 18539287Ssos} 18639287Ssos 18742504Syokota/* INT 10 BIOS calls */ 18842504Syokotastatic int 18942504Syokotaint10_set_mode(int mode) 19042504Syokota{ 19142504Syokota struct vm86frame vmf; 19242504Syokota 19342504Syokota bzero(&vmf, sizeof(vmf)); 19442504Syokota vmf.vmf_eax = 0x0000 | mode; 19542504Syokota vm86_intcall(0x10, &vmf); 19642504Syokota return 0; 19742504Syokota} 19842504Syokota 19939287Ssos/* VESA BIOS calls */ 20039287Ssosstatic int 20139287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 20239287Ssos{ 20339287Ssos struct vm86frame vmf; 20439287Ssos u_char buf[256]; 20539287Ssos int err; 20639287Ssos 20739287Ssos bzero(&vmf, sizeof(vmf)); 20839287Ssos bzero(buf, sizeof(buf)); 20939287Ssos vmf.vmf_eax = 0x4f01; 21039287Ssos vmf.vmf_ecx = mode; 21139287Ssos err = vm86_datacall(0x10, &vmf, (char *)buf, sizeof(buf), 21239287Ssos &vmf.vmf_es, &vmf.vmf_di); 21339287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) 21439287Ssos return 1; 21539287Ssos bcopy(buf, vmode, sizeof(*vmode)); 21639287Ssos return 0; 21739287Ssos} 21839287Ssos 21939287Ssosstatic int 22039287Ssosvesa_bios_set_mode(int mode) 22139287Ssos{ 22239287Ssos struct vm86frame vmf; 22339287Ssos int err; 22439287Ssos 22539287Ssos bzero(&vmf, sizeof(vmf)); 22639287Ssos vmf.vmf_eax = 0x4f02; 22739287Ssos vmf.vmf_ebx = mode; 22839287Ssos err = vm86_intcall(0x10, &vmf); 22939287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 23039287Ssos} 23139287Ssos 23239287Ssosstatic int 23339287Ssosvesa_bios_set_dac(int bits) 23439287Ssos{ 23539287Ssos struct vm86frame vmf; 23639287Ssos int err; 23739287Ssos 23839287Ssos bzero(&vmf, sizeof(vmf)); 23939287Ssos vmf.vmf_eax = 0x4f08; 24039287Ssos vmf.vmf_ebx = (bits << 8); 24139287Ssos err = vm86_intcall(0x10, &vmf); 24239287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 24339287Ssos} 24439287Ssos 24539287Ssosstatic int 24639287Ssosvesa_bios_save_palette(int start, int colors, u_char *palette) 24739287Ssos{ 24839287Ssos struct vm86frame vmf; 24939287Ssos u_char *p; 25039287Ssos int err; 25139287Ssos int i; 25239287Ssos 25339287Ssos p = malloc(colors*4, M_DEVBUF, M_WAITOK); 25439287Ssos 25539287Ssos bzero(&vmf, sizeof(vmf)); 25639287Ssos vmf.vmf_eax = 0x4f09; 25739287Ssos vmf.vmf_ebx = 1; /* get primary palette data */ 25839287Ssos vmf.vmf_ecx = colors; 25939287Ssos vmf.vmf_edx = start; 26039287Ssos err = vm86_datacall(0x10, &vmf, p, colors*4, &vmf.vmf_es, &vmf.vmf_di); 26139287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) { 26239287Ssos free(p, M_DEVBUF); 26339287Ssos return 1; 26439287Ssos } 26539287Ssos 26639287Ssos for (i = 0; i < colors; ++i) { 26739287Ssos palette[i*3] = p[i*4 + 1]; 26839287Ssos palette[i*3 + 1] = p[i*4 + 2]; 26939287Ssos palette[i*3 + 2] = p[i*4 + 3]; 27039287Ssos } 27139287Ssos free(p, M_DEVBUF); 27239287Ssos return 0; 27339287Ssos} 27439287Ssos 27539287Ssosstatic int 27639287Ssosvesa_bios_load_palette(int start, int colors, u_char *palette) 27739287Ssos{ 27839287Ssos struct vm86frame vmf; 27939287Ssos u_char *p; 28039287Ssos int err; 28139287Ssos int i; 28239287Ssos 28339287Ssos p = malloc(colors*4, M_DEVBUF, M_WAITOK); 28439287Ssos for (i = 0; i < colors; ++i) { 28539287Ssos p[i*4] = 0; 28639287Ssos p[i*4 + 1] = palette[i*3]; 28739287Ssos p[i*4 + 2] = palette[i*3 + 1]; 28839287Ssos p[i*4 + 3] = palette[i*3 + 2]; 28939287Ssos } 29039287Ssos 29139287Ssos bzero(&vmf, sizeof(vmf)); 29239287Ssos vmf.vmf_eax = 0x4f09; 29339287Ssos vmf.vmf_ebx = 0; /* set primary palette data */ 29439287Ssos vmf.vmf_ecx = colors; 29539287Ssos vmf.vmf_edx = start; 29639287Ssos err = vm86_datacall(0x10, &vmf, p, colors*4, &vmf.vmf_es, &vmf.vmf_di); 29739287Ssos free(p, M_DEVBUF); 29839287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 29939287Ssos} 30039287Ssos 30139287Ssosstatic int 30239287Ssosvesa_bios_state_buf_size(void) 30339287Ssos{ 30439287Ssos struct vm86frame vmf; 30539287Ssos int err; 30639287Ssos 30739287Ssos bzero(&vmf, sizeof(vmf)); 30839287Ssos vmf.vmf_eax = 0x4f04; 30939287Ssos vmf.vmf_ecx = STATE_MOST; 31039287Ssos vmf.vmf_edx = STATE_SIZE; 31139287Ssos err = vm86_intcall(0x10, &vmf); 31239287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) 31339287Ssos return 0; 31439287Ssos return vmf.vmf_ebx*64; 31539287Ssos} 31639287Ssos 31739287Ssosstatic int 31839287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 31939287Ssos{ 32039287Ssos struct vm86frame vmf; 32139287Ssos int err; 32239287Ssos 32339287Ssos bzero(&vmf, sizeof(vmf)); 32439287Ssos vmf.vmf_eax = 0x4f04; 32539287Ssos vmf.vmf_ecx = STATE_MOST; 32639287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 32739287Ssos err = vm86_datacall(0x10, &vmf, (char *)p, size, 32839287Ssos &vmf.vmf_es, &vmf.vmf_bx); 32939287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 33039287Ssos} 33139287Ssos 33239591Syokota/* map a generic video mode to a known mode */ 33339287Ssosstatic int 33439591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 33539287Ssos{ 33639591Syokota static struct { 33739591Syokota int from; 33839591Syokota int to; 33939591Syokota } mode_map[] = { 34039591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 34139591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 34239591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 34339591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 34439591Syokota }; 34539591Syokota int i; 34639591Syokota 34739591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 34839591Syokota if (mode_map[i].from == mode) 34939591Syokota return mode_map[i].to; 35039591Syokota } 35139591Syokota return mode; 35239591Syokota} 35339591Syokota 35439591Syokotastatic int 35539591Syokotavesa_translate_flags(u_int16_t vflags) 35639591Syokota{ 35739287Ssos static struct { 35839287Ssos u_int16_t mask; 35939287Ssos int set; 36039287Ssos int reset; 36139287Ssos } ftable[] = { 36239287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 36339287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 36442235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 36539287Ssos }; 36639287Ssos int flags; 36739287Ssos int i; 36839287Ssos 36939287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 37039287Ssos flags |= (vflags & ftable[i].mask) ? 37139287Ssos ftable[i].set : ftable[i].reset; 37239287Ssos } 37339287Ssos return flags; 37439287Ssos} 37539287Ssos 37639858Syokotastatic void 37739858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 37839858Syokota{ 37939858Syokota if (p == 0) 38039858Syokota return NULL; 38139858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 38239858Syokota return (void *)(buf + ((p & 0xffff) - off)); 38339858Syokota else { 38439858Syokota p = BIOS_SADDRTOLADDR(p); 38539858Syokota return (void *)BIOS_PADDRTOVADDR(p); 38639858Syokota } 38739858Syokota} 38839858Syokota 38939287Ssosstatic int 39039287Ssosvesa_bios_init(void) 39139287Ssos{ 39239780Sache static u_char buf[512]; 39339287Ssos struct vm86frame vmf; 39439287Ssos struct vesa_mode vmode; 39539287Ssos int modes; 39639287Ssos int err; 39739287Ssos int i; 39839287Ssos 39939287Ssos if (vesa_init_done) 40039287Ssos return 0; 40139287Ssos 40239287Ssos has_vesa_bios = FALSE; 40339287Ssos vesa_adp_info = NULL; 40439287Ssos vesa_vmode[0].vi_mode = EOT; 40539287Ssos 40639287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 40739780Sache bzero(buf, sizeof(buf)); 40839780Sache bcopy("VBE2", buf, 4); /* try for VBE2 data */ 40939744Sache vmf.vmf_eax = 0x4f00; 41039780Sache err = vm86_datacall(0x10, &vmf, (char *)buf, sizeof(buf), 41139287Ssos &vmf.vmf_es, &vmf.vmf_di); 41239287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f) || bcmp("VESA", buf, 4)) 41339287Ssos return 1; 41439287Ssos vesa_adp_info = (struct vesa_info *)buf; 41542504Syokota if (bootverbose) { 41642504Syokota printf("VESA: information block\n"); 41739287Ssos dump_buffer(buf, 64); 41842504Syokota } 41939287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 42039287Ssos return 1; 42139287Ssos 42239858Syokota /* fix string ptrs */ 42339858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 42439858Syokota vmf.vmf_es, vmf.vmf_di, buf); 42539858Syokota if (vesa_adp_info->v_version >= 0x0200) { 42639858Syokota vesa_venderstr = 42739858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr, 42839858Syokota vmf.vmf_es, vmf.vmf_di, buf); 42939858Syokota vesa_prodstr = 43039858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr, 43139858Syokota vmf.vmf_es, vmf.vmf_di, buf); 43239858Syokota vesa_revstr = 43339858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_revstr, 43439858Syokota vmf.vmf_es, vmf.vmf_di, buf); 43539858Syokota } 43639858Syokota 43739287Ssos /* obtain video mode information */ 43839858Syokota vesa_vmode[0].vi_mode = EOT; 43939858Syokota vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable, 44039858Syokota vmf.vmf_es, vmf.vmf_di, buf); 44139858Syokota if (vesa_vmodetab == NULL) 44239858Syokota return 1; 44339858Syokota for (i = 0, modes = 0; 44439858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 44539858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 44639287Ssos if (modes >= VESA_MAXMODES) 44739287Ssos break; 44839287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 44939287Ssos continue; 45039287Ssos 45139287Ssos /* reject unsupported modes */ 45239287Ssos#if 0 45339287Ssos if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO 45439287Ssos | V_MODENONVGA)) 45539287Ssos != (V_MODESUPP | V_MODEOPTINFO)) 45639287Ssos continue; 45739287Ssos#else 45839287Ssos if ((vmode.v_modeattr & (V_MODEOPTINFO | V_MODENONVGA)) 45939287Ssos != (V_MODEOPTINFO)) 46039287Ssos continue; 46139287Ssos#endif 46239287Ssos 46339287Ssos /* copy some fields */ 46439287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 46539287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 46639287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 46739287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 46839287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 46939287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 47039287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 47139287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 47239287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 47339287Ssos /* XXX window B */ 47439858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 47539858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 47639287Ssos vesa_vmode[modes].vi_buffer = vmode.v_lfb; 47739880Syokota vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen; 47839287Ssos /* pixel format, memory model... */ 47939591Syokota vesa_vmode[modes].vi_flags 48039591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 48139287Ssos ++modes; 48239287Ssos } 48339287Ssos vesa_vmode[modes].vi_mode = EOT; 48439287Ssos if (bootverbose) 48539287Ssos printf("VESA: %d mode(s) found\n", modes); 48639287Ssos 48739858Syokota has_vesa_bios = (modes > 0); 48839858Syokota return (has_vesa_bios ? 0 : 1); 48939287Ssos} 49039287Ssos 49139287Ssosstatic void 49239591Syokotavesa_clear_modes(video_info_t *info, int color) 49339287Ssos{ 49439287Ssos while (info->vi_mode != EOT) { 49539287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 49639287Ssos info->vi_mode = NA; 49739287Ssos ++info; 49839287Ssos } 49939287Ssos} 50039287Ssos 50142504Syokota/* entry points */ 50239287Ssos 50339287Ssosstatic int 50442504Syokotavesa_configure(int flags) 50539287Ssos{ 50642504Syokota video_adapter_t *adp; 50739287Ssos int adapters; 50842504Syokota int error; 50939287Ssos int i; 51039287Ssos 51142504Syokota if (vesa_init_done) 51242504Syokota return 0; 51342504Syokota if (flags & VIO_PROBE_ONLY) 51442504Syokota return 0; /* XXX */ 51542504Syokota 51642504Syokota /* 51742504Syokota * If the VESA module has already been loaded, abort loading 51842504Syokota * the module this time. 51942504Syokota */ 52042504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 52142504Syokota if (adp->va_flags & V_ADP_VESA) 52242504Syokota return ENXIO; 52342504Syokota if (adp->va_type == KD_VGA) 52442504Syokota break; 52539287Ssos } 52642504Syokota /* 52742504Syokota * The VGA adapter is not found. This is because either 52842504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 52942504Syokota * is not present. If 1) is the case, we shall defer 53042504Syokota * initialization for now and try again later. 53142504Syokota */ 53242504Syokota if (adp == NULL) { 53342504Syokota vga_sub_configure = vesa_configure; 53442504Syokota return ENODEV; 53542504Syokota } 53642504Syokota 53742504Syokota /* count number of registered adapters */ 53842504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 53942504Syokota ; 54042504Syokota adapters = i; 54142504Syokota 54242504Syokota /* call VESA BIOS */ 54342504Syokota vesa_adp = adp; 54442504Syokota if (vesa_bios_init()) { 54542504Syokota vesa_adp = NULL; 54642504Syokota return ENXIO; 54742504Syokota } 54842504Syokota vesa_adp->va_flags |= V_ADP_VESA; 54942504Syokota 55042504Syokota /* remove conflicting modes if we have more than one adapter */ 55142504Syokota if (adapters > 1) { 55242504Syokota vesa_clear_modes(vesa_vmode, 55342504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 55442504Syokota V_INFO_COLOR : 0); 55542504Syokota } 55642504Syokota 55742504Syokota if ((error = vesa_load_ioctl()) == 0) { 55842504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 55942504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 56042504Syokota vesa_init_done = TRUE; 56142504Syokota } else { 56242504Syokota vesa_adp = NULL; 56342504Syokota return error; 56442504Syokota } 56542504Syokota 56642504Syokota return 0; 56739287Ssos} 56839287Ssos 56942504Syokotastatic int 57042504Syokotavesa_nop(void) 57139287Ssos{ 57242504Syokota return 0; 57339287Ssos} 57439287Ssos 57539287Ssosstatic int 57642504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 57739287Ssos{ 57842504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 57942504Syokota} 58042504Syokota 58142504Syokotastatic int 58242504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 58342504Syokota{ 58442504Syokota return (*prevvidsw->init)(unit, adp, flags); 58542504Syokota} 58642504Syokota 58742504Syokotastatic int 58842504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 58942504Syokota{ 59039287Ssos int i; 59139287Ssos 59242504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 59339287Ssos return 0; 59439287Ssos 59542504Syokota if (adp != vesa_adp) 59639287Ssos return 1; 59739591Syokota 59839591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 59939591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 60039287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 60139287Ssos if (vesa_vmode[i].vi_mode == NA) 60239287Ssos continue; 60339287Ssos if (vesa_vmode[i].vi_mode == mode) { 60439287Ssos *info = vesa_vmode[i]; 60539287Ssos return 0; 60639287Ssos } 60739287Ssos } 60839287Ssos return 1; 60939287Ssos} 61039287Ssos 61139287Ssosstatic int 61242504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 61339287Ssos{ 61439287Ssos int i; 61539287Ssos 61642504Syokota if ((i = (*prevvidsw->query_mode)(adp, info)) != -1) 61739287Ssos return i; 61842504Syokota if (adp != vesa_adp) 61939287Ssos return -1; 62039287Ssos 62139287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 62239287Ssos if ((info->vi_width != 0) 62339287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 62439287Ssos continue; 62539287Ssos if ((info->vi_height != 0) 62639287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 62739287Ssos continue; 62839287Ssos if ((info->vi_cwidth != 0) 62939287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 63039287Ssos continue; 63139287Ssos if ((info->vi_cheight != 0) 63239287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 63339287Ssos continue; 63439287Ssos if ((info->vi_depth != 0) 63539287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 63639287Ssos continue; 63739287Ssos if ((info->vi_planes != 0) 63839287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 63939287Ssos continue; 64039287Ssos /* pixel format, memory model */ 64139287Ssos if ((info->vi_flags != 0) 64239287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 64339287Ssos continue; 64439287Ssos return vesa_vmode[i].vi_mode; 64539287Ssos } 64639287Ssos return -1; 64739287Ssos} 64839287Ssos 64939287Ssosstatic int 65042504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 65139287Ssos{ 65239287Ssos video_info_t info; 65342504Syokota#if 0 65439287Ssos size_t len; 65542504Syokota#endif 65639287Ssos 65742504Syokota if (adp != vesa_adp) 65842504Syokota return (*prevvidsw->set_mode)(adp, mode); 65939287Ssos 66039591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 66139591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 66242504Syokota#if VESA_DEBUG > 0 66339287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 66439287Ssos vesa_adp->va_mode, vesa_adp->va_mode, mode, mode); 66539287Ssos#endif 66639287Ssos /* 66739287Ssos * If the current mode is a VESA mode and the new mode is not, 66839287Ssos * restore the state of the adapter first, so that non-standard, 66939287Ssos * extended SVGA registers are set to the state compatible with 67042504Syokota * the standard VGA modes. Otherwise (*prevvidsw->set_mode)() 67139287Ssos * may not be able to set up the new mode correctly. 67239287Ssos */ 67339287Ssos if (VESA_MODE(vesa_adp->va_mode)) { 67442504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 67542504Syokota int10_set_mode(vesa_adp->va_initial_bios_mode); 67642504Syokota#if 0 67739287Ssos /* assert(vesa_state_buf != NULL); */ 67839287Ssos if ((vesa_state_buf == NULL) 67942504Syokota || vesa_load_state(adp, vesa_state_buf)) 68039287Ssos return 1; 68139287Ssos free(vesa_state_buf, M_DEVBUF); 68239287Ssos vesa_state_buf = NULL; 68342504Syokota#if VESA_DEBUG > 0 68439287Ssos printf("VESA: restored\n"); 68539287Ssos#endif 68642504Syokota#endif /* 0 */ 68739287Ssos } 68839287Ssos /* 68942504Syokota * once (*prevvidsw->get_info)() succeeded, 69042504Syokota * (*prevvidsw->set_mode)() below won't fail... 69139287Ssos */ 69239287Ssos } 69339287Ssos 69439287Ssos /* we may not need to handle this mode after all... */ 69542504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 69639287Ssos return 0; 69739287Ssos 69839287Ssos /* is the new mode supported? */ 69942504Syokota if (vesa_get_info(adp, mode, &info)) 70039287Ssos return 1; 70139287Ssos /* assert(VESA_MODE(mode)); */ 70239287Ssos 70342504Syokota#if VESA_DEBUG > 0 70439287Ssos printf("VESA: about to set a VESA mode...\n"); 70539287Ssos#endif 70639287Ssos /* 70739287Ssos * If the current mode is not a VESA mode, save the current state 70839287Ssos * so that the adapter state can be restored later when a non-VESA 70939287Ssos * mode is to be set up. See above. 71039287Ssos */ 71142504Syokota#if 0 71239287Ssos if (!VESA_MODE(vesa_adp->va_mode) && (vesa_state_buf == NULL)) { 71342504Syokota len = vesa_save_state(adp, NULL, 0); 71439287Ssos vesa_state_buf = malloc(len, M_DEVBUF, M_WAITOK); 71542504Syokota if (vesa_save_state(adp, vesa_state_buf, len)) { 71642504Syokota#if VESA_DEBUG > 0 71739287Ssos printf("VESA: state save failed! (len=%d)\n", len); 71839287Ssos#endif 71939287Ssos free(vesa_state_buf, M_DEVBUF); 72039287Ssos vesa_state_buf = NULL; 72139287Ssos return 1; 72239287Ssos } 72342504Syokota#if VESA_DEBUG > 0 72439287Ssos printf("VESA: saved (len=%d)\n", len); 72539287Ssos dump_buffer(vesa_state_buf, len); 72639287Ssos#endif 72739287Ssos } 72842504Syokota#endif /* 0 */ 72939287Ssos 73039287Ssos if (vesa_bios_set_mode(mode)) 73139287Ssos return 1; 73239287Ssos 73342504Syokota#if VESA_DEBUG > 0 73439287Ssos printf("VESA: mode set!\n"); 73539287Ssos#endif 73639287Ssos vesa_adp->va_mode = mode; 73739287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 73839287Ssos vesa_adp->va_flags |= 73939287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 74039287Ssos vesa_adp->va_crtc_addr = 74142504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 74239287Ssos vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 74339287Ssos vesa_adp->va_window_size = info.vi_window_size; 74439287Ssos vesa_adp->va_window_gran = info.vi_window_gran; 74539287Ssos if (info.vi_buffer_size == 0) { 74639287Ssos vesa_adp->va_buffer = 0; 74739287Ssos vesa_adp->va_buffer_size = 0; 74839287Ssos } else { 74939287Ssos vesa_adp->va_buffer = BIOS_PADDRTOVADDR(info.vi_buffer); 75039287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 75139287Ssos } 75239287Ssos 75342504Syokota /* move hardware cursor out of the way */ 75442504Syokota (*vidsw[adp->va_index]->set_hw_cursor)(adp, -1, -1); 75542504Syokota 75639287Ssos return 0; 75739287Ssos} 75839287Ssos 75939287Ssosstatic int 76042504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 76142504Syokota int ch, int count) 76239287Ssos{ 76342504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 76439287Ssos} 76539287Ssos 76639287Ssosstatic int 76742504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 76842504Syokota int ch, int count) 76939287Ssos{ 77042504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 77139287Ssos} 77239287Ssos 77339287Ssosstatic int 77442504Syokotavesa_show_font(video_adapter_t *adp, int page) 77539287Ssos{ 77642504Syokota return (*prevvidsw->show_font)(adp, page); 77739287Ssos} 77839287Ssos 77939287Ssosstatic int 78042504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 78139287Ssos{ 78242504Syokota if ((adp != vesa_adp) || !(vesa_adp_info->v_flags & V_DAC8) 78339287Ssos || vesa_bios_set_dac(8)) 78442504Syokota return (*prevvidsw->save_palette)(adp, palette); 78539287Ssos 78639287Ssos return vesa_bios_save_palette(0, 256, palette); 78739287Ssos} 78839287Ssos 78939287Ssosstatic int 79042504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 79139287Ssos{ 79242504Syokota if ((adp != vesa_adp) || !(vesa_adp_info->v_flags & V_DAC8) 79339287Ssos || vesa_bios_set_dac(8)) 79442504Syokota return (*prevvidsw->load_palette)(adp, palette); 79539287Ssos 79639287Ssos return vesa_bios_load_palette(0, 256, palette); 79739287Ssos} 79839287Ssos 79939287Ssosstatic int 80042504Syokotavesa_set_border(video_adapter_t *adp, int color) 80139287Ssos{ 80242504Syokota return (*prevvidsw->set_border)(adp, color); 80339287Ssos} 80439287Ssos 80539287Ssosstatic int 80642504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 80739287Ssos{ 80842504Syokota if (adp != vesa_adp) 80942504Syokota return (*prevvidsw->save_state)(adp, p, size); 81039287Ssos 81139287Ssos if (vesa_state_buf_size == 0) 81239287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 81339287Ssos if (size == 0) 81439287Ssos return (sizeof(int) + vesa_state_buf_size); 81539287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 81639287Ssos return 1; 81739287Ssos 81839287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 81939287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 82039287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 82139287Ssos vesa_state_buf_size); 82239287Ssos} 82339287Ssos 82439287Ssosstatic int 82542504Syokotavesa_load_state(video_adapter_t *adp, void *p) 82639287Ssos{ 82742504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 82842504Syokota return (*prevvidsw->load_state)(adp, p); 82939287Ssos 83039287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 83139287Ssos vesa_state_buf_size); 83239287Ssos} 83339287Ssos 83439287Ssosstatic int 83542504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 83639287Ssos{ 83739287Ssos struct vm86frame vmf; 83839287Ssos int err; 83939287Ssos 84039287Ssos /* 84139287Ssos * This function should return as quickly as possible to 84239287Ssos * maintain good performance of the system. For this reason, 84339287Ssos * error checking is kept minimal and let the VESA BIOS to 84439287Ssos * detect error. 84539287Ssos */ 84642504Syokota if (adp != vesa_adp) 84742504Syokota return (*prevvidsw->set_win_org)(adp, offset); 84839287Ssos 84939287Ssos if (vesa_adp->va_window_gran == 0) 85039287Ssos return 1; 85139287Ssos bzero(&vmf, sizeof(vmf)); 85239287Ssos vmf.vmf_eax = 0x4f05; 85339287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 85439287Ssos vmf.vmf_edx = offset/vesa_adp->va_window_gran; 85539287Ssos err = vm86_intcall(0x10, &vmf); 85639287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 85739287Ssos} 85839287Ssos 85939287Ssosstatic int 86042504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 86139287Ssos{ 86242504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 86339287Ssos} 86439287Ssos 86539287Ssosstatic int 86642504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 86739287Ssos{ 86842504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 86939287Ssos} 87039287Ssos 87139287Ssosstatic int 87242504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 87342504Syokota int celsize, int blink) 87439287Ssos{ 87542504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 87642504Syokota blink); 87742504Syokota} 87842504Syokota 87942504Syokotastatic int 88042504Syokotavesa_mmap(video_adapter_t *adp, vm_offset_t offset) 88142504Syokota{ 88242504Syokota return (*prevvidsw->mmap)(adp, offset); 88342504Syokota} 88442504Syokota 88542504Syokotastatic int 88642504Syokotavesa_diag(video_adapter_t *adp, int level) 88742504Syokota{ 88842504Syokota#if VESA_DEBUG > 1 88939287Ssos struct vesa_mode vmode; 89039287Ssos int i; 89142504Syokota#endif 89239287Ssos 89342504Syokota if (adp != vesa_adp) 89442504Syokota return 1; 89542504Syokota 89642179Syokota#ifndef KLD_MODULE 89739591Syokota /* call the previous handler first */ 89842504Syokota (*prevvidsw->diag)(adp, level); 89939591Syokota#endif 90039591Syokota 90139287Ssos /* general adapter information */ 90239287Ssos printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 90339287Ssos ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 90439287Ssos + ((vesa_adp_info->v_version & 0x0f00) >> 8), 90539287Ssos ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 90639287Ssos + (vesa_adp_info->v_version & 0x000f), 90739287Ssos vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 90839287Ssos vesa_vmodetab, vesa_adp_info->v_modetable); 90939287Ssos /* OEM string */ 91039858Syokota if (vesa_oemstr != NULL) 91139858Syokota printf("VESA: %s\n", vesa_oemstr); 91239287Ssos 91339287Ssos if (level <= 0) 91439287Ssos return 0; 91539287Ssos 91639287Ssos if (vesa_adp_info->v_version >= 0x0200) { 91739287Ssos /* vendor name */ 91839858Syokota if (vesa_venderstr != NULL) 91939858Syokota printf("VESA: %s\n", vesa_venderstr); 92039287Ssos /* product name */ 92139858Syokota if (vesa_prodstr != NULL) 92239858Syokota printf("VESA: %s\n", vesa_prodstr); 92339287Ssos /* product revision */ 92439858Syokota if (vesa_revstr != NULL) 92539858Syokota printf("VESA: %s\n", vesa_revstr); 92639287Ssos } 92739287Ssos 92842504Syokota#if VESA_DEBUG > 1 92939287Ssos /* mode information */ 93039858Syokota for (i = 0; 93139858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 93239858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 93339287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 93439287Ssos continue; 93539287Ssos 93639287Ssos /* print something for diagnostic purpose */ 93739287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 93839287Ssos vesa_vmodetab[i], vmode.v_modeattr); 93939287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 94039287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 94139287Ssos printf(", G %dx%dx%d %d, ", 94239287Ssos vmode.v_width, vmode.v_height, 94339287Ssos vmode.v_bpp, vmode.v_planes); 94439287Ssos } else { 94539287Ssos printf(", T %dx%d, ", 94639287Ssos vmode.v_width, vmode.v_height); 94739287Ssos } 94839287Ssos printf("font:%dx%d", 94939287Ssos vmode.v_cwidth, vmode.v_cheight); 95039287Ssos } 95139287Ssos if (vmode.v_modeattr & V_MODELFB) { 95239287Ssos printf(", mem:%d, LFB:0x%x, off:0x%x", 95339287Ssos vmode.v_memmodel, vmode.v_lfb, 95439287Ssos vmode.v_offscreen); 95539287Ssos } 95639287Ssos printf("\n"); 95739287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 95839287Ssos vmode.v_waseg, vmode.v_waattr, 95939287Ssos vmode.v_wbseg, vmode.v_wbattr); 96039287Ssos printf("size:%dk, gran:%dk\n", 96139287Ssos vmode.v_wsize, vmode.v_wgran); 96239287Ssos } 96342504Syokota#endif 96439287Ssos 96539287Ssos return 0; 96639287Ssos} 96739287Ssos 96839287Ssos/* module loading */ 96939287Ssos 97042504Syokotastatic int 97139287Ssosvesa_load(void) 97239287Ssos{ 97339287Ssos int error; 97439287Ssos int s; 97539287Ssos 97639287Ssos if (vesa_init_done) 97739287Ssos return 0; 97839287Ssos 97942504Syokota /* locate a VGA adapter */ 98042504Syokota s = spltty(); 98139287Ssos vesa_adp = NULL; 98242504Syokota error = vesa_configure(0); 98342504Syokota splx(s); 98439287Ssos 98542179Syokota#ifdef KLD_MODULE 98639287Ssos if (error == 0) 98742504Syokota vesa_diag(vesa_adp, bootverbose); 98839287Ssos#endif 98939287Ssos 99039287Ssos return error; 99139287Ssos} 99239287Ssos 99342179Syokota#ifdef KLD_MODULE 99439287Ssos 99539287Ssosstatic int 99642179Syokotavesa_unload(void) 99739287Ssos{ 99839287Ssos int error; 99939287Ssos int s; 100039287Ssos 100139287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 100239287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 100339287Ssos return EBUSY; 100439287Ssos /* 100539287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 100639287Ssos * we shouldn't be unloading! XXX 100739287Ssos */ 100839287Ssos 100939287Ssos s = spltty(); 101039287Ssos if ((error = vesa_unload_ioctl()) == 0) { 101142504Syokota if (vesa_adp != NULL) 101239287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 101342504Syokota vidsw[vesa_adp->va_index] = prevvidsw; 101439287Ssos } 101539287Ssos splx(s); 101639287Ssos 101739287Ssos return error; 101839287Ssos} 101939287Ssos 102042179Syokotastatic int 102142179Syokotavesa_mod_event(module_t mod, int type, void *data) 102239287Ssos{ 102342179Syokota switch (type) { 102442179Syokota case MOD_LOAD: 102542179Syokota return vesa_load(); 102642179Syokota case MOD_UNLOAD: 102742179Syokota return vesa_unload(); 102842179Syokota default: 102942179Syokota break; 103042179Syokota } 103142179Syokota return 0; 103239287Ssos} 103339287Ssos 103442179Syokotastatic moduledata_t vesa_mod = { 103542179Syokota "vesa", 103642179Syokota vesa_mod_event, 103742179Syokota NULL, 103842179Syokota}; 103939287Ssos 104042504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 104142179Syokota 104242504Syokota#else /* KLD_MODULE */ 104342504Syokota 104442504SyokotaSYSINIT(vesa, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, 104542504Syokota (void (*)(void *))vesa_load, NULL); 104642504Syokota 104742179Syokota#endif /* KLD_MODULE */ 104842179Syokota 104942504Syokota#endif /* (NVGA > 0 && VESA && VM86) || KLD_MODULE */ 1050