vesa.c revision 44846
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 * 2644846Sjlemon * $Id: vesa.c,v 1.18 1999/02/20 03:05:37 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; 10444846Sjlemonstatic struct vm86context vesa_vmcontext; 10539287Ssos 10642504Syokotastatic video_switch_t vesavidsw = { 10742504Syokota vesa_probe, 10842504Syokota vesa_init, 10942504Syokota vesa_get_info, 11042504Syokota vesa_query_mode, 11142504Syokota vesa_set_mode, 11242504Syokota vesa_save_font, 11342504Syokota vesa_load_font, 11442504Syokota vesa_show_font, 11542504Syokota vesa_save_palette, 11642504Syokota vesa_load_palette, 11742504Syokota vesa_set_border, 11842504Syokota vesa_save_state, 11942504Syokota vesa_load_state, 12042504Syokota vesa_set_origin, 12142504Syokota vesa_read_hw_cursor, 12242504Syokota vesa_set_hw_cursor, 12342504Syokota vesa_set_hw_cursor_shape, 12442504Syokota (vi_blank_display_t *)vesa_nop, 12542504Syokota vesa_mmap, 12639287Ssos vesa_diag, 12739287Ssos}; 12839287Ssos 12942504Syokotastatic video_switch_t *prevvidsw; 13039287Ssos 13139287Ssos/* VESA BIOS video modes */ 13239287Ssos#define VESA_MAXMODES 64 13339287Ssos#define EOT (-1) 13439287Ssos#define NA (-2) 13539287Ssos 13639287Ssosstatic video_info_t vesa_vmode[VESA_MAXMODES + 1] = { 13739287Ssos { EOT, }, 13839287Ssos}; 13939287Ssos 14039287Ssosstatic int vesa_init_done = FALSE; 14139287Ssosstatic int has_vesa_bios = FALSE; 14239287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 14339287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 14439858Syokotastatic char *vesa_oemstr = NULL; 14539858Syokotastatic char *vesa_venderstr = NULL; 14639858Syokotastatic char *vesa_prodstr = NULL; 14739858Syokotastatic char *vesa_revstr = NULL; 14839287Ssos 14939287Ssos/* local macros and functions */ 15039287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 15139287Ssos 15242504Syokotastatic int int10_set_mode(int mode); 15339287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 15439287Ssosstatic int vesa_bios_set_mode(int mode); 15539287Ssosstatic int vesa_bios_set_dac(int bits); 15642729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 15742729Syokota int bits); 15842729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 15942729Syokota int bits); 16039287Ssos#define STATE_SIZE 0 16139287Ssos#define STATE_SAVE 1 16239287Ssos#define STATE_LOAD 2 16339287Ssos#define STATE_HW (1<<0) 16439287Ssos#define STATE_DATA (1<<1) 16539287Ssos#define STATE_DAC (1<<2) 16639287Ssos#define STATE_REG (1<<3) 16739287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 16839287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 16939287Ssosstatic int vesa_bios_state_buf_size(void); 17039287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 17143664Syokotastatic int vesa_bios_get_line_length(void); 17239591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 17339591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 17439858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 17539858Syokota u_char *buf); 17639287Ssosstatic int vesa_bios_init(void); 17739591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 17839287Ssos 17939287Ssosstatic void 18039287Ssosdump_buffer(u_char *buf, size_t len) 18139287Ssos{ 18239287Ssos int i; 18339287Ssos 18439287Ssos for(i = 0; i < len;) { 18539287Ssos printf("%02x ", buf[i]); 18639287Ssos if ((++i % 16) == 0) 18739287Ssos printf("\n"); 18839287Ssos } 18939287Ssos} 19039287Ssos 19142504Syokota/* INT 10 BIOS calls */ 19242504Syokotastatic int 19342504Syokotaint10_set_mode(int mode) 19442504Syokota{ 19542504Syokota struct vm86frame vmf; 19642504Syokota 19742504Syokota bzero(&vmf, sizeof(vmf)); 19842504Syokota vmf.vmf_eax = 0x0000 | mode; 19942504Syokota vm86_intcall(0x10, &vmf); 20042504Syokota return 0; 20142504Syokota} 20242504Syokota 20339287Ssos/* VESA BIOS calls */ 20439287Ssosstatic int 20539287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 20639287Ssos{ 20739287Ssos struct vm86frame vmf; 20844846Sjlemon u_char *buf; 20939287Ssos int err; 21039287Ssos 21139287Ssos bzero(&vmf, sizeof(vmf)); 21239287Ssos vmf.vmf_eax = 0x4f01; 21339287Ssos vmf.vmf_ecx = mode; 21444846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 21544846Sjlemon vm86_getptr(&vesa_vmcontext, buf, &vmf.vmf_es, &vmf.vmf_di); 21644846Sjlemon 21744846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 21839287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) 21939287Ssos return 1; 22039287Ssos bcopy(buf, vmode, sizeof(*vmode)); 22139287Ssos return 0; 22239287Ssos} 22339287Ssos 22439287Ssosstatic int 22539287Ssosvesa_bios_set_mode(int mode) 22639287Ssos{ 22739287Ssos struct vm86frame vmf; 22839287Ssos int err; 22939287Ssos 23039287Ssos bzero(&vmf, sizeof(vmf)); 23139287Ssos vmf.vmf_eax = 0x4f02; 23239287Ssos vmf.vmf_ebx = mode; 23339287Ssos err = vm86_intcall(0x10, &vmf); 23439287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 23539287Ssos} 23639287Ssos 23739287Ssosstatic int 23839287Ssosvesa_bios_set_dac(int bits) 23939287Ssos{ 24039287Ssos struct vm86frame vmf; 24139287Ssos int err; 24239287Ssos 24339287Ssos bzero(&vmf, sizeof(vmf)); 24439287Ssos vmf.vmf_eax = 0x4f08; 24539287Ssos vmf.vmf_ebx = (bits << 8); 24639287Ssos err = vm86_intcall(0x10, &vmf); 24742729Syokota if ((err != 0) || (vmf.vmf_eax != 0x4f)) 24842729Syokota return 6; /* XXX */ 24942729Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 25039287Ssos} 25139287Ssos 25239287Ssosstatic int 25342729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 25439287Ssos{ 25539287Ssos struct vm86frame vmf; 25639287Ssos u_char *p; 25739287Ssos int err; 25839287Ssos int i; 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; 26544846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 26644846Sjlemon vm86_getptr(&vesa_vmcontext, p, &vmf.vmf_es, &vmf.vmf_di); 26744846Sjlemon 26844846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 26944846Sjlemon if ((err != 0) || (vmf.vmf_eax != 0x4f)) 27039287Ssos return 1; 27139287Ssos 27242729Syokota bits = 8 - bits; 27339287Ssos for (i = 0; i < colors; ++i) { 27442729Syokota palette[i*3] = p[i*4 + 2] << bits; 27542729Syokota palette[i*3 + 1] = p[i*4 + 1] << bits; 27642729Syokota palette[i*3 + 2] = p[i*4] << bits; 27739287Ssos } 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 28944846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 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; 30344846Sjlemon vm86_getptr(&vesa_vmcontext, p, &vmf.vmf_es, &vmf.vmf_di); 30444846Sjlemon 30544846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 30639287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 30739287Ssos} 30839287Ssos 30939287Ssosstatic int 31039287Ssosvesa_bios_state_buf_size(void) 31139287Ssos{ 31239287Ssos struct vm86frame vmf; 31339287Ssos int err; 31439287Ssos 31539287Ssos bzero(&vmf, sizeof(vmf)); 31639287Ssos vmf.vmf_eax = 0x4f04; 31739287Ssos vmf.vmf_ecx = STATE_MOST; 31839287Ssos vmf.vmf_edx = STATE_SIZE; 31939287Ssos err = vm86_intcall(0x10, &vmf); 32039287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f)) 32139287Ssos return 0; 32239287Ssos return vmf.vmf_ebx*64; 32339287Ssos} 32439287Ssos 32539287Ssosstatic int 32639287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 32739287Ssos{ 32839287Ssos struct vm86frame vmf; 32944846Sjlemon u_char *buf; 33039287Ssos int err; 33139287Ssos 33239287Ssos bzero(&vmf, sizeof(vmf)); 33339287Ssos vmf.vmf_eax = 0x4f04; 33439287Ssos vmf.vmf_ecx = STATE_MOST; 33539287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 33644846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 33744846Sjlemon vm86_getptr(&vesa_vmcontext, buf, &vmf.vmf_es, &vmf.vmf_di); 33844846Sjlemon bcopy(p, buf, size); 33944846Sjlemon 34044846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 34139287Ssos return ((err != 0) || (vmf.vmf_eax != 0x4f)); 34239287Ssos} 34339287Ssos 34443664Syokotastatic int 34543664Syokotavesa_bios_get_line_length(void) 34643664Syokota{ 34743664Syokota struct vm86frame vmf; 34843664Syokota int err; 34943664Syokota 35043664Syokota bzero(&vmf, sizeof(vmf)); 35143664Syokota vmf.vmf_eax = 0x4f06; 35243664Syokota vmf.vmf_ebx = 1; /* get scan line length */ 35343664Syokota err = vm86_intcall(0x10, &vmf); 35443664Syokota if ((err != 0) || (vmf.vmf_eax != 0x4f)) 35543664Syokota return -1; 35643664Syokota return vmf.vmf_bx; /* line length in bytes */ 35743664Syokota} 35843664Syokota 35939591Syokota/* map a generic video mode to a known mode */ 36039287Ssosstatic int 36139591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 36239287Ssos{ 36339591Syokota static struct { 36439591Syokota int from; 36539591Syokota int to; 36639591Syokota } mode_map[] = { 36739591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 36839591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 36939591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 37039591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 37139591Syokota }; 37239591Syokota int i; 37339591Syokota 37439591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 37539591Syokota if (mode_map[i].from == mode) 37639591Syokota return mode_map[i].to; 37739591Syokota } 37839591Syokota return mode; 37939591Syokota} 38039591Syokota 38139591Syokotastatic int 38239591Syokotavesa_translate_flags(u_int16_t vflags) 38339591Syokota{ 38439287Ssos static struct { 38539287Ssos u_int16_t mask; 38639287Ssos int set; 38739287Ssos int reset; 38839287Ssos } ftable[] = { 38939287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 39039287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 39142235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 39239287Ssos }; 39339287Ssos int flags; 39439287Ssos int i; 39539287Ssos 39639287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 39739287Ssos flags |= (vflags & ftable[i].mask) ? 39839287Ssos ftable[i].set : ftable[i].reset; 39939287Ssos } 40039287Ssos return flags; 40139287Ssos} 40239287Ssos 40339858Syokotastatic void 40439858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 40539858Syokota{ 40639858Syokota if (p == 0) 40739858Syokota return NULL; 40839858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 40939858Syokota return (void *)(buf + ((p & 0xffff) - off)); 41039858Syokota else { 41139858Syokota p = BIOS_SADDRTOLADDR(p); 41239858Syokota return (void *)BIOS_PADDRTOVADDR(p); 41339858Syokota } 41439858Syokota} 41539858Syokota 41639287Ssosstatic int 41739287Ssosvesa_bios_init(void) 41839287Ssos{ 41939287Ssos struct vm86frame vmf; 42039287Ssos struct vesa_mode vmode; 42144846Sjlemon u_char *buf; 42239287Ssos int modes; 42339287Ssos int err; 42439287Ssos int i; 42539287Ssos 42639287Ssos if (vesa_init_done) 42739287Ssos return 0; 42839287Ssos 42939287Ssos has_vesa_bios = FALSE; 43039287Ssos vesa_adp_info = NULL; 43139287Ssos vesa_vmode[0].vi_mode = EOT; 43239287Ssos 43344846Sjlemon buf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0); 43439287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 43539780Sache bcopy("VBE2", buf, 4); /* try for VBE2 data */ 43639744Sache vmf.vmf_eax = 0x4f00; 43744846Sjlemon vm86_getptr(&vesa_vmcontext, buf, &vmf.vmf_es, &vmf.vmf_di); 43844846Sjlemon 43944846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 44039287Ssos if ((err != 0) || (vmf.vmf_eax != 0x4f) || bcmp("VESA", buf, 4)) 44139287Ssos return 1; 44239287Ssos vesa_adp_info = (struct vesa_info *)buf; 44342504Syokota if (bootverbose) { 44442504Syokota printf("VESA: information block\n"); 44539287Ssos dump_buffer(buf, 64); 44642504Syokota } 44739287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 44839287Ssos return 1; 44939287Ssos 45039858Syokota /* fix string ptrs */ 45139858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 45239858Syokota vmf.vmf_es, vmf.vmf_di, buf); 45339858Syokota if (vesa_adp_info->v_version >= 0x0200) { 45439858Syokota vesa_venderstr = 45539858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr, 45639858Syokota vmf.vmf_es, vmf.vmf_di, buf); 45739858Syokota vesa_prodstr = 45839858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr, 45939858Syokota vmf.vmf_es, vmf.vmf_di, buf); 46039858Syokota vesa_revstr = 46139858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_revstr, 46239858Syokota vmf.vmf_es, vmf.vmf_di, buf); 46339858Syokota } 46439858Syokota 46539287Ssos /* obtain video mode information */ 46639858Syokota vesa_vmode[0].vi_mode = EOT; 46739858Syokota vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable, 46839858Syokota vmf.vmf_es, vmf.vmf_di, buf); 46939858Syokota if (vesa_vmodetab == NULL) 47039858Syokota return 1; 47139858Syokota for (i = 0, modes = 0; 47239858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 47339858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 47439287Ssos if (modes >= VESA_MAXMODES) 47539287Ssos break; 47639287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 47739287Ssos continue; 47839287Ssos 47939287Ssos /* reject unsupported modes */ 48039287Ssos#if 0 48139287Ssos if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO 48239287Ssos | V_MODENONVGA)) 48339287Ssos != (V_MODESUPP | V_MODEOPTINFO)) 48439287Ssos continue; 48539287Ssos#else 48639287Ssos if ((vmode.v_modeattr & (V_MODEOPTINFO | V_MODENONVGA)) 48739287Ssos != (V_MODEOPTINFO)) 48839287Ssos continue; 48939287Ssos#endif 49039287Ssos 49139287Ssos /* copy some fields */ 49239287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 49339287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 49439287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 49539287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 49639287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 49739287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 49839287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 49939287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 50039287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 50139287Ssos /* XXX window B */ 50239858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 50339858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 50439287Ssos vesa_vmode[modes].vi_buffer = vmode.v_lfb; 50543664Syokota /* XXX */ 50643664Syokota if (vmode.v_offscreen > vmode.v_lfb) 50743664Syokota vesa_vmode[modes].vi_buffer_size 50843664Syokota = vmode.v_offscreen - vmode.v_lfb; 50943664Syokota else 51043664Syokota vesa_vmode[modes].vi_buffer_size = vmode.v_offscreen; 51139287Ssos /* pixel format, memory model... */ 51243664Syokota 51339591Syokota vesa_vmode[modes].vi_flags 51439591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 51539287Ssos ++modes; 51639287Ssos } 51739287Ssos vesa_vmode[modes].vi_mode = EOT; 51839287Ssos if (bootverbose) 51939287Ssos printf("VESA: %d mode(s) found\n", modes); 52039287Ssos 52139858Syokota has_vesa_bios = (modes > 0); 52239858Syokota return (has_vesa_bios ? 0 : 1); 52339287Ssos} 52439287Ssos 52539287Ssosstatic void 52639591Syokotavesa_clear_modes(video_info_t *info, int color) 52739287Ssos{ 52839287Ssos while (info->vi_mode != EOT) { 52939287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 53039287Ssos info->vi_mode = NA; 53139287Ssos ++info; 53239287Ssos } 53339287Ssos} 53439287Ssos 53542504Syokota/* entry points */ 53639287Ssos 53739287Ssosstatic int 53842504Syokotavesa_configure(int flags) 53939287Ssos{ 54042504Syokota video_adapter_t *adp; 54139287Ssos int adapters; 54242504Syokota int error; 54339287Ssos int i; 54439287Ssos 54542504Syokota if (vesa_init_done) 54642504Syokota return 0; 54742504Syokota if (flags & VIO_PROBE_ONLY) 54842504Syokota return 0; /* XXX */ 54942504Syokota 55042504Syokota /* 55142504Syokota * If the VESA module has already been loaded, abort loading 55242504Syokota * the module this time. 55342504Syokota */ 55442504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 55542504Syokota if (adp->va_flags & V_ADP_VESA) 55642504Syokota return ENXIO; 55742504Syokota if (adp->va_type == KD_VGA) 55842504Syokota break; 55939287Ssos } 56042504Syokota /* 56142504Syokota * The VGA adapter is not found. This is because either 56242504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 56342504Syokota * is not present. If 1) is the case, we shall defer 56442504Syokota * initialization for now and try again later. 56542504Syokota */ 56642504Syokota if (adp == NULL) { 56742504Syokota vga_sub_configure = vesa_configure; 56842504Syokota return ENODEV; 56942504Syokota } 57042504Syokota 57142504Syokota /* count number of registered adapters */ 57242504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 57342504Syokota ; 57442504Syokota adapters = i; 57542504Syokota 57642504Syokota /* call VESA BIOS */ 57742504Syokota vesa_adp = adp; 57842504Syokota if (vesa_bios_init()) { 57942504Syokota vesa_adp = NULL; 58042504Syokota return ENXIO; 58142504Syokota } 58242504Syokota vesa_adp->va_flags |= V_ADP_VESA; 58342504Syokota 58442504Syokota /* remove conflicting modes if we have more than one adapter */ 58542504Syokota if (adapters > 1) { 58642504Syokota vesa_clear_modes(vesa_vmode, 58742504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 58842504Syokota V_INFO_COLOR : 0); 58942504Syokota } 59042504Syokota 59142504Syokota if ((error = vesa_load_ioctl()) == 0) { 59242504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 59342504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 59442504Syokota vesa_init_done = TRUE; 59542504Syokota } else { 59642504Syokota vesa_adp = NULL; 59742504Syokota return error; 59842504Syokota } 59942504Syokota 60042504Syokota return 0; 60139287Ssos} 60239287Ssos 60342504Syokotastatic int 60442504Syokotavesa_nop(void) 60539287Ssos{ 60642504Syokota return 0; 60739287Ssos} 60839287Ssos 60939287Ssosstatic int 61042504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 61139287Ssos{ 61242504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 61342504Syokota} 61442504Syokota 61542504Syokotastatic int 61642504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 61742504Syokota{ 61842504Syokota return (*prevvidsw->init)(unit, adp, flags); 61942504Syokota} 62042504Syokota 62142504Syokotastatic int 62242504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 62342504Syokota{ 62439287Ssos int i; 62539287Ssos 62642504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 62739287Ssos return 0; 62839287Ssos 62942504Syokota if (adp != vesa_adp) 63039287Ssos return 1; 63139591Syokota 63239591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 63339591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 63439287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 63539287Ssos if (vesa_vmode[i].vi_mode == NA) 63639287Ssos continue; 63739287Ssos if (vesa_vmode[i].vi_mode == mode) { 63839287Ssos *info = vesa_vmode[i]; 63939287Ssos return 0; 64039287Ssos } 64139287Ssos } 64239287Ssos return 1; 64339287Ssos} 64439287Ssos 64539287Ssosstatic int 64642504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 64739287Ssos{ 64839287Ssos int i; 64939287Ssos 65042504Syokota if ((i = (*prevvidsw->query_mode)(adp, info)) != -1) 65139287Ssos return i; 65242504Syokota if (adp != vesa_adp) 65339287Ssos return -1; 65439287Ssos 65539287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 65639287Ssos if ((info->vi_width != 0) 65739287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 65839287Ssos continue; 65939287Ssos if ((info->vi_height != 0) 66039287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 66139287Ssos continue; 66239287Ssos if ((info->vi_cwidth != 0) 66339287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 66439287Ssos continue; 66539287Ssos if ((info->vi_cheight != 0) 66639287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 66739287Ssos continue; 66839287Ssos if ((info->vi_depth != 0) 66939287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 67039287Ssos continue; 67139287Ssos if ((info->vi_planes != 0) 67239287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 67339287Ssos continue; 67439287Ssos /* pixel format, memory model */ 67539287Ssos if ((info->vi_flags != 0) 67639287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 67739287Ssos continue; 67839287Ssos return vesa_vmode[i].vi_mode; 67939287Ssos } 68039287Ssos return -1; 68139287Ssos} 68239287Ssos 68339287Ssosstatic int 68442504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 68539287Ssos{ 68639287Ssos video_info_t info; 68739287Ssos size_t len; 68839287Ssos 68942504Syokota if (adp != vesa_adp) 69042504Syokota return (*prevvidsw->set_mode)(adp, mode); 69139287Ssos 69239591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 69339591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 69442504Syokota#if VESA_DEBUG > 0 69539287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 69639287Ssos vesa_adp->va_mode, vesa_adp->va_mode, mode, mode); 69739287Ssos#endif 69839287Ssos /* 69939287Ssos * If the current mode is a VESA mode and the new mode is not, 70039287Ssos * restore the state of the adapter first, so that non-standard, 70139287Ssos * extended SVGA registers are set to the state compatible with 70242504Syokota * the standard VGA modes. Otherwise (*prevvidsw->set_mode)() 70339287Ssos * may not be able to set up the new mode correctly. 70439287Ssos */ 70539287Ssos if (VESA_MODE(vesa_adp->va_mode)) { 70642504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 70742504Syokota int10_set_mode(vesa_adp->va_initial_bios_mode); 70842504Syokota#if 0 70939287Ssos /* assert(vesa_state_buf != NULL); */ 71039287Ssos if ((vesa_state_buf == NULL) 71142504Syokota || vesa_load_state(adp, vesa_state_buf)) 71239287Ssos return 1; 71339287Ssos free(vesa_state_buf, M_DEVBUF); 71439287Ssos vesa_state_buf = NULL; 71542504Syokota#if VESA_DEBUG > 0 71639287Ssos printf("VESA: restored\n"); 71739287Ssos#endif 71842504Syokota#endif /* 0 */ 71939287Ssos } 72039287Ssos /* 72142504Syokota * once (*prevvidsw->get_info)() succeeded, 72242504Syokota * (*prevvidsw->set_mode)() below won't fail... 72339287Ssos */ 72439287Ssos } 72539287Ssos 72639287Ssos /* we may not need to handle this mode after all... */ 72742504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 72839287Ssos return 0; 72939287Ssos 73039287Ssos /* is the new mode supported? */ 73142504Syokota if (vesa_get_info(adp, mode, &info)) 73239287Ssos return 1; 73339287Ssos /* assert(VESA_MODE(mode)); */ 73439287Ssos 73542504Syokota#if VESA_DEBUG > 0 73639287Ssos printf("VESA: about to set a VESA mode...\n"); 73739287Ssos#endif 73839287Ssos /* 73939287Ssos * If the current mode is not a VESA mode, save the current state 74039287Ssos * so that the adapter state can be restored later when a non-VESA 74139287Ssos * mode is to be set up. See above. 74239287Ssos */ 74342504Syokota#if 0 74439287Ssos if (!VESA_MODE(vesa_adp->va_mode) && (vesa_state_buf == NULL)) { 74542504Syokota len = vesa_save_state(adp, NULL, 0); 74639287Ssos vesa_state_buf = malloc(len, M_DEVBUF, M_WAITOK); 74742504Syokota if (vesa_save_state(adp, vesa_state_buf, len)) { 74842504Syokota#if VESA_DEBUG > 0 74939287Ssos printf("VESA: state save failed! (len=%d)\n", len); 75039287Ssos#endif 75139287Ssos free(vesa_state_buf, M_DEVBUF); 75239287Ssos vesa_state_buf = NULL; 75339287Ssos return 1; 75439287Ssos } 75542504Syokota#if VESA_DEBUG > 0 75639287Ssos printf("VESA: saved (len=%d)\n", len); 75739287Ssos dump_buffer(vesa_state_buf, len); 75839287Ssos#endif 75939287Ssos } 76042504Syokota#endif /* 0 */ 76139287Ssos 76239287Ssos if (vesa_bios_set_mode(mode)) 76339287Ssos return 1; 76439287Ssos 76542504Syokota#if VESA_DEBUG > 0 76639287Ssos printf("VESA: mode set!\n"); 76739287Ssos#endif 76839287Ssos vesa_adp->va_mode = mode; 76939287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 77039287Ssos vesa_adp->va_flags |= 77139287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 77239287Ssos vesa_adp->va_crtc_addr = 77342504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 77439287Ssos vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 77539287Ssos vesa_adp->va_window_size = info.vi_window_size; 77639287Ssos vesa_adp->va_window_gran = info.vi_window_gran; 77739287Ssos if (info.vi_buffer_size == 0) { 77839287Ssos vesa_adp->va_buffer = 0; 77939287Ssos vesa_adp->va_buffer_size = 0; 78039287Ssos } else { 78139287Ssos vesa_adp->va_buffer = BIOS_PADDRTOVADDR(info.vi_buffer); 78239287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 78339287Ssos } 78443664Syokota len = vesa_bios_get_line_length(); 78543674Syokota if (len > 0) { 78643674Syokota vesa_adp->va_line_width = len; 78743674Syokota } else if (info.vi_flags & V_INFO_GRAPHICS) { 78843674Syokota switch (info.vi_depth/info.vi_planes) { 78943674Syokota case 1: 79043674Syokota vesa_adp->va_line_width = info.vi_width/8; 79143674Syokota break; 79243674Syokota case 2: 79343674Syokota vesa_adp->va_line_width = info.vi_width/4; 79443674Syokota break; 79543674Syokota case 4: 79643674Syokota vesa_adp->va_line_width = info.vi_width/2; 79743674Syokota break; 79843674Syokota case 8: 79943674Syokota default: /* shouldn't happen */ 80043674Syokota vesa_adp->va_line_width = info.vi_width; 80143674Syokota break; 80243674Syokota } 80343674Syokota } else { 80443674Syokota vesa_adp->va_line_width = info.vi_width; 80543674Syokota } 80643664Syokota#if VESA_DEBUG > 0 80743664Syokota printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n", 80843674Syokota info.vi_width, len, vesa_adp->va_line_width); 80943664Syokota#endif 81043674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 81139287Ssos 81242504Syokota /* move hardware cursor out of the way */ 81343674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 81442504Syokota 81539287Ssos return 0; 81639287Ssos} 81739287Ssos 81839287Ssosstatic int 81942504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 82042504Syokota int ch, int count) 82139287Ssos{ 82242504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 82339287Ssos} 82439287Ssos 82539287Ssosstatic int 82642504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 82742504Syokota int ch, int count) 82839287Ssos{ 82942504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 83039287Ssos} 83139287Ssos 83239287Ssosstatic int 83342504Syokotavesa_show_font(video_adapter_t *adp, int page) 83439287Ssos{ 83542504Syokota return (*prevvidsw->show_font)(adp, page); 83639287Ssos} 83739287Ssos 83839287Ssosstatic int 83942504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 84039287Ssos{ 84142729Syokota int bits; 84242729Syokota int error; 84339287Ssos 84442729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 84542729Syokota && ((bits = vesa_bios_set_dac(8)) > 6)) { 84642729Syokota error = vesa_bios_save_palette(0, 256, palette, bits); 84744162Syokota vesa_bios_set_dac(6); 84842729Syokota if (error == 0) 84942729Syokota return 0; 85042729Syokota } 85142729Syokota 85242729Syokota return (*prevvidsw->save_palette)(adp, palette); 85339287Ssos} 85439287Ssos 85539287Ssosstatic int 85642504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 85739287Ssos{ 85842729Syokota int bits; 85942729Syokota int error; 86039287Ssos 86142729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 86242729Syokota && ((bits = vesa_bios_set_dac(8)) > 6)) { 86342729Syokota error = vesa_bios_load_palette(0, 256, palette, bits); 86444162Syokota vesa_bios_set_dac(6); 86542729Syokota if (error == 0) 86642729Syokota return 0; 86742729Syokota } 86842729Syokota 86942729Syokota return (*prevvidsw->load_palette)(adp, palette); 87039287Ssos} 87139287Ssos 87239287Ssosstatic int 87342504Syokotavesa_set_border(video_adapter_t *adp, int color) 87439287Ssos{ 87542504Syokota return (*prevvidsw->set_border)(adp, color); 87639287Ssos} 87739287Ssos 87839287Ssosstatic int 87942504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 88039287Ssos{ 88142504Syokota if (adp != vesa_adp) 88242504Syokota return (*prevvidsw->save_state)(adp, p, size); 88339287Ssos 88439287Ssos if (vesa_state_buf_size == 0) 88539287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 88639287Ssos if (size == 0) 88739287Ssos return (sizeof(int) + vesa_state_buf_size); 88839287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 88939287Ssos return 1; 89039287Ssos 89139287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 89239287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 89339287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 89439287Ssos vesa_state_buf_size); 89539287Ssos} 89639287Ssos 89739287Ssosstatic int 89842504Syokotavesa_load_state(video_adapter_t *adp, void *p) 89939287Ssos{ 90042504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 90142504Syokota return (*prevvidsw->load_state)(adp, p); 90239287Ssos 90339287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 90439287Ssos vesa_state_buf_size); 90539287Ssos} 90639287Ssos 90739287Ssosstatic int 90842504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 90939287Ssos{ 91039287Ssos struct vm86frame vmf; 91139287Ssos int err; 91239287Ssos 91339287Ssos /* 91439287Ssos * This function should return as quickly as possible to 91539287Ssos * maintain good performance of the system. For this reason, 91639287Ssos * error checking is kept minimal and let the VESA BIOS to 91739287Ssos * detect error. 91839287Ssos */ 91942504Syokota if (adp != vesa_adp) 92042504Syokota return (*prevvidsw->set_win_org)(adp, offset); 92139287Ssos 92239287Ssos if (vesa_adp->va_window_gran == 0) 92339287Ssos return 1; 92439287Ssos bzero(&vmf, sizeof(vmf)); 92539287Ssos vmf.vmf_eax = 0x4f05; 92639287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 92739287Ssos vmf.vmf_edx = offset/vesa_adp->va_window_gran; 92839287Ssos err = vm86_intcall(0x10, &vmf); 92943664Syokota if ((err != 0) || (vmf.vmf_eax != 0x4f)) 93043664Syokota return 1; 93143664Syokota bzero(&vmf, sizeof(vmf)); 93243664Syokota vmf.vmf_eax = 0x4f05; 93343664Syokota vmf.vmf_ebx = 1; /* WINDOW_B, XXX */ 93443664Syokota vmf.vmf_edx = offset/vesa_adp->va_window_gran; 93543664Syokota err = vm86_intcall(0x10, &vmf); 93643664Syokota return 0; /* XXX */ 93739287Ssos} 93839287Ssos 93939287Ssosstatic int 94042504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 94139287Ssos{ 94242504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 94339287Ssos} 94439287Ssos 94539287Ssosstatic int 94642504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 94739287Ssos{ 94842504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 94939287Ssos} 95039287Ssos 95139287Ssosstatic int 95242504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 95342504Syokota int celsize, int blink) 95439287Ssos{ 95542504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 95642504Syokota blink); 95742504Syokota} 95842504Syokota 95942504Syokotastatic int 96042504Syokotavesa_mmap(video_adapter_t *adp, vm_offset_t offset) 96142504Syokota{ 96242504Syokota return (*prevvidsw->mmap)(adp, offset); 96342504Syokota} 96442504Syokota 96542504Syokotastatic int 96642504Syokotavesa_diag(video_adapter_t *adp, int level) 96742504Syokota{ 96842504Syokota#if VESA_DEBUG > 1 96939287Ssos struct vesa_mode vmode; 97039287Ssos int i; 97142504Syokota#endif 97239287Ssos 97342504Syokota if (adp != vesa_adp) 97442504Syokota return 1; 97542504Syokota 97642179Syokota#ifndef KLD_MODULE 97739591Syokota /* call the previous handler first */ 97842504Syokota (*prevvidsw->diag)(adp, level); 97939591Syokota#endif 98039591Syokota 98139287Ssos /* general adapter information */ 98239287Ssos printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 98339287Ssos ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 98439287Ssos + ((vesa_adp_info->v_version & 0x0f00) >> 8), 98539287Ssos ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 98639287Ssos + (vesa_adp_info->v_version & 0x000f), 98739287Ssos vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 98839287Ssos vesa_vmodetab, vesa_adp_info->v_modetable); 98939287Ssos /* OEM string */ 99039858Syokota if (vesa_oemstr != NULL) 99139858Syokota printf("VESA: %s\n", vesa_oemstr); 99239287Ssos 99339287Ssos if (level <= 0) 99439287Ssos return 0; 99539287Ssos 99639287Ssos if (vesa_adp_info->v_version >= 0x0200) { 99739287Ssos /* vendor name */ 99839858Syokota if (vesa_venderstr != NULL) 99939858Syokota printf("VESA: %s\n", vesa_venderstr); 100039287Ssos /* product name */ 100139858Syokota if (vesa_prodstr != NULL) 100239858Syokota printf("VESA: %s\n", vesa_prodstr); 100339287Ssos /* product revision */ 100439858Syokota if (vesa_revstr != NULL) 100539858Syokota printf("VESA: %s\n", vesa_revstr); 100639287Ssos } 100739287Ssos 100842504Syokota#if VESA_DEBUG > 1 100939287Ssos /* mode information */ 101039858Syokota for (i = 0; 101139858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 101239858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 101339287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 101439287Ssos continue; 101539287Ssos 101639287Ssos /* print something for diagnostic purpose */ 101739287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 101839287Ssos vesa_vmodetab[i], vmode.v_modeattr); 101939287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 102039287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 102139287Ssos printf(", G %dx%dx%d %d, ", 102239287Ssos vmode.v_width, vmode.v_height, 102339287Ssos vmode.v_bpp, vmode.v_planes); 102439287Ssos } else { 102539287Ssos printf(", T %dx%d, ", 102639287Ssos vmode.v_width, vmode.v_height); 102739287Ssos } 102839287Ssos printf("font:%dx%d", 102939287Ssos vmode.v_cwidth, vmode.v_cheight); 103039287Ssos } 103139287Ssos if (vmode.v_modeattr & V_MODELFB) { 103239287Ssos printf(", mem:%d, LFB:0x%x, off:0x%x", 103339287Ssos vmode.v_memmodel, vmode.v_lfb, 103439287Ssos vmode.v_offscreen); 103539287Ssos } 103639287Ssos printf("\n"); 103739287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 103839287Ssos vmode.v_waseg, vmode.v_waattr, 103939287Ssos vmode.v_wbseg, vmode.v_wbattr); 104039287Ssos printf("size:%dk, gran:%dk\n", 104139287Ssos vmode.v_wsize, vmode.v_wgran); 104239287Ssos } 104342504Syokota#endif 104439287Ssos 104539287Ssos return 0; 104639287Ssos} 104739287Ssos 104839287Ssos/* module loading */ 104939287Ssos 105042504Syokotastatic int 105139287Ssosvesa_load(void) 105239287Ssos{ 105339287Ssos int error; 105439287Ssos int s; 105539287Ssos 105639287Ssos if (vesa_init_done) 105739287Ssos return 0; 105839287Ssos 105942504Syokota /* locate a VGA adapter */ 106042504Syokota s = spltty(); 106139287Ssos vesa_adp = NULL; 106242504Syokota error = vesa_configure(0); 106342504Syokota splx(s); 106439287Ssos 106542179Syokota#ifdef KLD_MODULE 106639287Ssos if (error == 0) 106742504Syokota vesa_diag(vesa_adp, bootverbose); 106839287Ssos#endif 106939287Ssos 107039287Ssos return error; 107139287Ssos} 107239287Ssos 107342179Syokota#ifdef KLD_MODULE 107439287Ssos 107539287Ssosstatic int 107642179Syokotavesa_unload(void) 107739287Ssos{ 107839287Ssos int error; 107939287Ssos int s; 108039287Ssos 108139287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 108239287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 108339287Ssos return EBUSY; 108439287Ssos /* 108539287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 108639287Ssos * we shouldn't be unloading! XXX 108739287Ssos */ 108839287Ssos 108939287Ssos s = spltty(); 109039287Ssos if ((error = vesa_unload_ioctl()) == 0) { 109144162Syokota if (vesa_adp != NULL) { 109244162Syokota if (vesa_adp_info->v_flags & V_DAC8) 109344162Syokota vesa_bios_set_dac(6); 109439287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 109544162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 109644162Syokota } 109739287Ssos } 109839287Ssos splx(s); 109939287Ssos 110039287Ssos return error; 110139287Ssos} 110239287Ssos 110342179Syokotastatic int 110442179Syokotavesa_mod_event(module_t mod, int type, void *data) 110539287Ssos{ 110642179Syokota switch (type) { 110742179Syokota case MOD_LOAD: 110842179Syokota return vesa_load(); 110942179Syokota case MOD_UNLOAD: 111042179Syokota return vesa_unload(); 111142179Syokota default: 111242179Syokota break; 111342179Syokota } 111442179Syokota return 0; 111539287Ssos} 111639287Ssos 111742179Syokotastatic moduledata_t vesa_mod = { 111842179Syokota "vesa", 111942179Syokota vesa_mod_event, 112042179Syokota NULL, 112142179Syokota}; 112239287Ssos 112342504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 112442179Syokota 112542504Syokota#else /* KLD_MODULE */ 112642504Syokota 112742504SyokotaSYSINIT(vesa, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, 112842504Syokota (void (*)(void *))vesa_load, NULL); 112942504Syokota 113042179Syokota#endif /* KLD_MODULE */ 113142179Syokota 113242504Syokota#endif /* (NVGA > 0 && VESA && VM86) || KLD_MODULE */ 1133