vesa.c revision 117710
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 */ 2639287Ssos 27115703Sobrien#include <sys/cdefs.h> 28115703Sobrien__FBSDID("$FreeBSD: head/sys/i386/isa/vesa.c 117710 2003-07-18 00:06:10Z robert $"); 29115703Sobrien 3042504Syokota#include "opt_vga.h" 3166710Sjhb#include "opt_vesa.h" 3239287Ssos 3356836Speter#ifndef VGA_NO_MODE_CHANGE 3439287Ssos 3539287Ssos#include <sys/param.h> 3639287Ssos#include <sys/systm.h> 3739287Ssos#include <sys/kernel.h> 3842179Syokota#include <sys/module.h> 3939287Ssos#include <sys/malloc.h> 4048104Syokota#include <sys/fbio.h> 4148104Syokota 4239287Ssos#include <vm/vm.h> 4348104Syokota#include <vm/vm_extern.h> 4448104Syokota#include <vm/vm_kern.h> 4539287Ssos#include <vm/pmap.h> 4639287Ssos 4739287Ssos#include <machine/md_var.h> 4839287Ssos#include <machine/vm86.h> 4939287Ssos#include <machine/pc/bios.h> 5039287Ssos#include <machine/pc/vesa.h> 5139287Ssos 5242504Syokota#include <dev/fb/fbreg.h> 5342504Syokota#include <dev/fb/vgareg.h> 5439287Ssos 5542504Syokota#ifndef __i386__ 5642504Syokota#include <isa/isareg.h> 5742504Syokota#else 5842504Syokota#include <i386/isa/isa.h> 5942504Syokota#endif 6042504Syokota 61117710Srobert#define VESA_VIA_CLE266 "VIA CLE266\r\n" 62117710Srobert 6342504Syokota#ifndef VESA_DEBUG 6442611Syokota#define VESA_DEBUG 0 6542504Syokota#endif 6642504Syokota 6739287Ssos/* VESA video adapter state buffer stub */ 6839287Ssosstruct adp_state { 6939287Ssos int sig; 7039287Ssos#define V_STATE_SIG 0x61736576 7139287Ssos u_char regs[1]; 7239287Ssos}; 7339287Ssostypedef struct adp_state adp_state_t; 7439287Ssos 7539287Ssos/* VESA video adapter */ 7639287Ssosstatic video_adapter_t *vesa_adp = NULL; 7739287Ssosstatic int vesa_state_buf_size = 0; 7839287Ssos 7939287Ssos/* VESA functions */ 8048399Speter#if 0 8142504Syokotastatic int vesa_nop(void); 8248399Speter#endif 8348104Syokotastatic int vesa_error(void); 8442504Syokotastatic vi_probe_t vesa_probe; 8539287Ssosstatic vi_init_t vesa_init; 8639287Ssosstatic vi_get_info_t vesa_get_info; 8739287Ssosstatic vi_query_mode_t vesa_query_mode; 8839287Ssosstatic vi_set_mode_t vesa_set_mode; 8939287Ssosstatic vi_save_font_t vesa_save_font; 9039287Ssosstatic vi_load_font_t vesa_load_font; 9139287Ssosstatic vi_show_font_t vesa_show_font; 9239287Ssosstatic vi_save_palette_t vesa_save_palette; 9339287Ssosstatic vi_load_palette_t vesa_load_palette; 9439287Ssosstatic vi_set_border_t vesa_set_border; 9539287Ssosstatic vi_save_state_t vesa_save_state; 9639287Ssosstatic vi_load_state_t vesa_load_state; 9739287Ssosstatic vi_set_win_org_t vesa_set_origin; 9839287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 9939287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 10042504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 10148104Syokotastatic vi_blank_display_t vesa_blank_display; 10242504Syokotastatic vi_mmap_t vesa_mmap; 10348104Syokotastatic vi_ioctl_t vesa_ioctl; 10448104Syokotastatic vi_clear_t vesa_clear; 10548104Syokotastatic vi_fill_rect_t vesa_fill_rect; 10648104Syokotastatic vi_bitblt_t vesa_bitblt; 10739287Ssosstatic vi_diag_t vesa_diag; 10848104Syokotastatic int vesa_bios_info(int level); 10944846Sjlemonstatic struct vm86context vesa_vmcontext; 11039287Ssos 11142504Syokotastatic video_switch_t vesavidsw = { 11242504Syokota vesa_probe, 11342504Syokota vesa_init, 11442504Syokota vesa_get_info, 11542504Syokota vesa_query_mode, 11642504Syokota vesa_set_mode, 11742504Syokota vesa_save_font, 11842504Syokota vesa_load_font, 11942504Syokota vesa_show_font, 12042504Syokota vesa_save_palette, 12142504Syokota vesa_load_palette, 12242504Syokota vesa_set_border, 12342504Syokota vesa_save_state, 12442504Syokota vesa_load_state, 12542504Syokota vesa_set_origin, 12642504Syokota vesa_read_hw_cursor, 12742504Syokota vesa_set_hw_cursor, 12842504Syokota vesa_set_hw_cursor_shape, 12948104Syokota vesa_blank_display, 13042504Syokota vesa_mmap, 13148104Syokota vesa_ioctl, 13248104Syokota vesa_clear, 13348104Syokota vesa_fill_rect, 13448104Syokota vesa_bitblt, 13548104Syokota vesa_error, 13648104Syokota vesa_error, 13739287Ssos vesa_diag, 13839287Ssos}; 13939287Ssos 14042504Syokotastatic video_switch_t *prevvidsw; 14139287Ssos 14239287Ssos/* VESA BIOS video modes */ 14339287Ssos#define VESA_MAXMODES 64 14439287Ssos#define EOT (-1) 14539287Ssos#define NA (-2) 14639287Ssos 14748104Syokota#define MODE_TABLE_DELTA 8 14839287Ssos 14948104Syokotastatic int vesa_vmode_max = 0; 15048104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 15148104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 15248104Syokota 15339287Ssosstatic int vesa_init_done = FALSE; 15439287Ssosstatic int has_vesa_bios = FALSE; 15539287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 15639287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 15739858Syokotastatic char *vesa_oemstr = NULL; 15839858Syokotastatic char *vesa_venderstr = NULL; 15939858Syokotastatic char *vesa_prodstr = NULL; 16039858Syokotastatic char *vesa_revstr = NULL; 16139287Ssos 16239287Ssos/* local macros and functions */ 16339287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 16439287Ssos 16542504Syokotastatic int int10_set_mode(int mode); 16639287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 16739287Ssosstatic int vesa_bios_set_mode(int mode); 16845117Syokotastatic int vesa_bios_get_dac(void); 16939287Ssosstatic int vesa_bios_set_dac(int bits); 17042729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 17142729Syokota int bits); 17248104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 17348104Syokota u_char *b, int bits); 17442729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 17542729Syokota int bits); 17648399Speter#ifdef notyet 17748104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 17848104Syokota u_char *b, int bits); 17948399Speter#endif 18039287Ssos#define STATE_SIZE 0 18139287Ssos#define STATE_SAVE 1 18239287Ssos#define STATE_LOAD 2 18339287Ssos#define STATE_HW (1<<0) 18439287Ssos#define STATE_DATA (1<<1) 18539287Ssos#define STATE_DAC (1<<2) 18639287Ssos#define STATE_REG (1<<3) 18739287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 18839287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 18939287Ssosstatic int vesa_bios_state_buf_size(void); 19039287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 19143664Syokotastatic int vesa_bios_get_line_length(void); 19250446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 19348399Speter#if 0 19448104Syokotastatic int vesa_bios_get_start(int *x, int *y); 19548399Speter#endif 19648104Syokotastatic int vesa_bios_set_start(int x, int y); 19739591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 19839591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 19948104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 20039858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 20139858Syokota u_char *buf); 20239287Ssosstatic int vesa_bios_init(void); 20339591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 20448104Syokotastatic vm_offset_t vesa_map_buffer(u_int paddr, size_t size); 20548104Syokotastatic void vesa_unmap_buffer(vm_offset_t vaddr, size_t size); 20639287Ssos 20748399Speter#if 0 20848104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 20948399Speter#endif 21048104Syokota 21139287Ssosstatic void 21239287Ssosdump_buffer(u_char *buf, size_t len) 21339287Ssos{ 21439287Ssos int i; 21539287Ssos 21639287Ssos for(i = 0; i < len;) { 21739287Ssos printf("%02x ", buf[i]); 21839287Ssos if ((++i % 16) == 0) 21939287Ssos printf("\n"); 22039287Ssos } 22139287Ssos} 22239287Ssos 22342504Syokota/* INT 10 BIOS calls */ 22442504Syokotastatic int 22542504Syokotaint10_set_mode(int mode) 22642504Syokota{ 22742504Syokota struct vm86frame vmf; 22842504Syokota 22942504Syokota bzero(&vmf, sizeof(vmf)); 23042504Syokota vmf.vmf_eax = 0x0000 | mode; 23142504Syokota vm86_intcall(0x10, &vmf); 23242504Syokota return 0; 23342504Syokota} 23442504Syokota 23539287Ssos/* VESA BIOS calls */ 23639287Ssosstatic int 23739287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 23839287Ssos{ 23939287Ssos struct vm86frame vmf; 24044846Sjlemon u_char *buf; 24139287Ssos int err; 24239287Ssos 24339287Ssos bzero(&vmf, sizeof(vmf)); 24439287Ssos vmf.vmf_eax = 0x4f01; 24539287Ssos vmf.vmf_ecx = mode; 24644846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 24744866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_di); 24844846Sjlemon 24944846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 25050445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 25139287Ssos return 1; 25239287Ssos bcopy(buf, vmode, sizeof(*vmode)); 25339287Ssos return 0; 25439287Ssos} 25539287Ssos 25639287Ssosstatic int 25739287Ssosvesa_bios_set_mode(int mode) 25839287Ssos{ 25939287Ssos struct vm86frame vmf; 26039287Ssos int err; 26139287Ssos 26239287Ssos bzero(&vmf, sizeof(vmf)); 26339287Ssos vmf.vmf_eax = 0x4f02; 26439287Ssos vmf.vmf_ebx = mode; 26539287Ssos err = vm86_intcall(0x10, &vmf); 26650445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 26739287Ssos} 26839287Ssos 26939287Ssosstatic int 27045117Syokotavesa_bios_get_dac(void) 27145117Syokota{ 27245117Syokota struct vm86frame vmf; 27345117Syokota int err; 27445117Syokota 27545117Syokota bzero(&vmf, sizeof(vmf)); 27645117Syokota vmf.vmf_eax = 0x4f08; 27745117Syokota vmf.vmf_ebx = 1; /* get DAC width */ 27845117Syokota err = vm86_intcall(0x10, &vmf); 27950445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 28045117Syokota return 6; /* XXX */ 28145117Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 28245117Syokota} 28345117Syokota 28445117Syokotastatic int 28539287Ssosvesa_bios_set_dac(int bits) 28639287Ssos{ 28739287Ssos struct vm86frame vmf; 28839287Ssos int err; 28939287Ssos 29039287Ssos bzero(&vmf, sizeof(vmf)); 29139287Ssos vmf.vmf_eax = 0x4f08; 29239287Ssos vmf.vmf_ebx = (bits << 8); 29339287Ssos err = vm86_intcall(0x10, &vmf); 29450445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 29542729Syokota return 6; /* XXX */ 29642729Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 29739287Ssos} 29839287Ssos 29939287Ssosstatic int 30042729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 30139287Ssos{ 30239287Ssos struct vm86frame vmf; 30339287Ssos u_char *p; 30439287Ssos int err; 30539287Ssos int i; 30639287Ssos 30739287Ssos bzero(&vmf, sizeof(vmf)); 30839287Ssos vmf.vmf_eax = 0x4f09; 30939287Ssos vmf.vmf_ebx = 1; /* get primary palette data */ 31039287Ssos vmf.vmf_ecx = colors; 31139287Ssos vmf.vmf_edx = start; 31244846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 31344866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 31444846Sjlemon 31544846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 31650445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 31739287Ssos return 1; 31839287Ssos 31942729Syokota bits = 8 - bits; 32039287Ssos for (i = 0; i < colors; ++i) { 32142729Syokota palette[i*3] = p[i*4 + 2] << bits; 32242729Syokota palette[i*3 + 1] = p[i*4 + 1] << bits; 32342729Syokota palette[i*3 + 2] = p[i*4] << bits; 32439287Ssos } 32539287Ssos return 0; 32639287Ssos} 32739287Ssos 32839287Ssosstatic int 32948104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 33048104Syokota int bits) 33148104Syokota{ 33248104Syokota struct vm86frame vmf; 33348104Syokota u_char *p; 33448104Syokota int err; 33548104Syokota int i; 33648104Syokota 33748104Syokota bzero(&vmf, sizeof(vmf)); 33848104Syokota vmf.vmf_eax = 0x4f09; 33948104Syokota vmf.vmf_ebx = 1; /* get primary palette data */ 34048104Syokota vmf.vmf_ecx = colors; 34148104Syokota vmf.vmf_edx = start; 34248104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 34348104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 34448104Syokota 34548104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 34650445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 34748104Syokota return 1; 34848104Syokota 34948104Syokota bits = 8 - bits; 35048104Syokota for (i = 0; i < colors; ++i) { 35148104Syokota r[i] = p[i*4 + 2] << bits; 35248104Syokota g[i] = p[i*4 + 1] << bits; 35348104Syokota b[i] = p[i*4] << bits; 35448104Syokota } 35548104Syokota return 0; 35648104Syokota} 35748104Syokota 35848104Syokotastatic int 35942729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 36039287Ssos{ 36139287Ssos struct vm86frame vmf; 36239287Ssos u_char *p; 36339287Ssos int err; 36439287Ssos int i; 36539287Ssos 36644846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 36742729Syokota bits = 8 - bits; 36839287Ssos for (i = 0; i < colors; ++i) { 36942729Syokota p[i*4] = palette[i*3 + 2] >> bits; 37042729Syokota p[i*4 + 1] = palette[i*3 + 1] >> bits; 37142729Syokota p[i*4 + 2] = palette[i*3] >> bits; 37242729Syokota p[i*4 + 3] = 0; 37339287Ssos } 37439287Ssos 37539287Ssos bzero(&vmf, sizeof(vmf)); 37639287Ssos vmf.vmf_eax = 0x4f09; 37739287Ssos vmf.vmf_ebx = 0; /* set primary palette data */ 37839287Ssos vmf.vmf_ecx = colors; 37939287Ssos vmf.vmf_edx = start; 38044866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 38144846Sjlemon 38244846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 38350445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 38439287Ssos} 38539287Ssos 38648399Speter#ifdef notyet 38739287Ssosstatic int 38848104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 38948104Syokota int bits) 39048104Syokota{ 39148104Syokota struct vm86frame vmf; 39248104Syokota u_char *p; 39348104Syokota int err; 39448104Syokota int i; 39548104Syokota 39648104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 39748104Syokota bits = 8 - bits; 39848104Syokota for (i = 0; i < colors; ++i) { 39948104Syokota p[i*4] = b[i] >> bits; 40048104Syokota p[i*4 + 1] = g[i] >> bits; 40148104Syokota p[i*4 + 2] = r[i] >> bits; 40248104Syokota p[i*4 + 3] = 0; 40348104Syokota } 40448104Syokota 40548104Syokota bzero(&vmf, sizeof(vmf)); 40648104Syokota vmf.vmf_eax = 0x4f09; 40748104Syokota vmf.vmf_ebx = 0; /* set primary palette data */ 40848104Syokota vmf.vmf_ecx = colors; 40948104Syokota vmf.vmf_edx = start; 41048104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 41148104Syokota 41248104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 41350445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 41448104Syokota} 41548399Speter#endif 41648104Syokota 41748104Syokotastatic int 41839287Ssosvesa_bios_state_buf_size(void) 41939287Ssos{ 42039287Ssos struct vm86frame vmf; 42139287Ssos int err; 42239287Ssos 42339287Ssos bzero(&vmf, sizeof(vmf)); 42439287Ssos vmf.vmf_eax = 0x4f04; 42539287Ssos vmf.vmf_ecx = STATE_MOST; 42639287Ssos vmf.vmf_edx = STATE_SIZE; 42739287Ssos err = vm86_intcall(0x10, &vmf); 42850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 42939287Ssos return 0; 43050445Syokota return vmf.vmf_bx*64; 43139287Ssos} 43239287Ssos 43339287Ssosstatic int 43439287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 43539287Ssos{ 43639287Ssos struct vm86frame vmf; 43744846Sjlemon u_char *buf; 43839287Ssos int err; 43939287Ssos 44039287Ssos bzero(&vmf, sizeof(vmf)); 44139287Ssos vmf.vmf_eax = 0x4f04; 44239287Ssos vmf.vmf_ecx = STATE_MOST; 44339287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 44444846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 445108284Sdavidxu vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_bx); 44644846Sjlemon bcopy(p, buf, size); 44744846Sjlemon 44844846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 44950445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 45039287Ssos} 45139287Ssos 45243664Syokotastatic int 45343664Syokotavesa_bios_get_line_length(void) 45443664Syokota{ 45543664Syokota struct vm86frame vmf; 45643664Syokota int err; 45743664Syokota 45843664Syokota bzero(&vmf, sizeof(vmf)); 45943664Syokota vmf.vmf_eax = 0x4f06; 46043664Syokota vmf.vmf_ebx = 1; /* get scan line length */ 46143664Syokota err = vm86_intcall(0x10, &vmf); 46250445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 46343664Syokota return -1; 46443664Syokota return vmf.vmf_bx; /* line length in bytes */ 46543664Syokota} 46643664Syokota 46748104Syokotastatic int 46850446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 46948104Syokota{ 47048104Syokota struct vm86frame vmf; 47148104Syokota int err; 47248104Syokota 47348104Syokota bzero(&vmf, sizeof(vmf)); 47448104Syokota vmf.vmf_eax = 0x4f06; 47548104Syokota vmf.vmf_ebx = 0; /* set scan line length in pixel */ 47648104Syokota vmf.vmf_ecx = pixel; 47748104Syokota err = vm86_intcall(0x10, &vmf); 47848104Syokota#if VESA_DEBUG > 1 47948104Syokota printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx); 48048104Syokota#endif 48150446Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 48250446Syokota return 1; 48350446Syokota if (bytes) 48450446Syokota *bytes = vmf.vmf_bx; 48550446Syokota if (lines) 48650446Syokota *lines = vmf.vmf_dx; 48750446Syokota return 0; 48848104Syokota} 48948104Syokota 49048399Speter#if 0 49148104Syokotastatic int 49248104Syokotavesa_bios_get_start(int *x, int *y) 49348104Syokota{ 49448104Syokota struct vm86frame vmf; 49548104Syokota int err; 49648104Syokota 49748104Syokota bzero(&vmf, sizeof(vmf)); 49848104Syokota vmf.vmf_eax = 0x4f07; 49948104Syokota vmf.vmf_ebx = 1; /* get display start */ 50048104Syokota err = vm86_intcall(0x10, &vmf); 50150445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 50248104Syokota return 1; 50348104Syokota *x = vmf.vmf_cx; 50448104Syokota *y = vmf.vmf_dx; 50548104Syokota return 0; 50648104Syokota} 50748399Speter#endif 50848104Syokota 50948104Syokotastatic int 51048104Syokotavesa_bios_set_start(int x, int y) 51148104Syokota{ 51248104Syokota struct vm86frame vmf; 51348104Syokota int err; 51448104Syokota 51548104Syokota bzero(&vmf, sizeof(vmf)); 51648104Syokota vmf.vmf_eax = 0x4f07; 51748104Syokota vmf.vmf_ebx = 0x80; /* set display start */ 51848104Syokota vmf.vmf_edx = y; 51948104Syokota vmf.vmf_ecx = x; 52048104Syokota err = vm86_intcall(0x10, &vmf); 52150445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 52248104Syokota} 52348104Syokota 52439591Syokota/* map a generic video mode to a known mode */ 52539287Ssosstatic int 52639591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 52739287Ssos{ 52839591Syokota static struct { 52939591Syokota int from; 53039591Syokota int to; 53139591Syokota } mode_map[] = { 53239591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 53339591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 53439591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 53539591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 53639591Syokota }; 53739591Syokota int i; 53839591Syokota 53939591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 54039591Syokota if (mode_map[i].from == mode) 54139591Syokota return mode_map[i].to; 54239591Syokota } 54339591Syokota return mode; 54439591Syokota} 54539591Syokota 54639591Syokotastatic int 54739591Syokotavesa_translate_flags(u_int16_t vflags) 54839591Syokota{ 54939287Ssos static struct { 55039287Ssos u_int16_t mask; 55139287Ssos int set; 55239287Ssos int reset; 55339287Ssos } ftable[] = { 55439287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 55539287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 55642235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 55739287Ssos }; 55839287Ssos int flags; 55939287Ssos int i; 56039287Ssos 56139287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 56239287Ssos flags |= (vflags & ftable[i].mask) ? 56339287Ssos ftable[i].set : ftable[i].reset; 56439287Ssos } 56539287Ssos return flags; 56639287Ssos} 56739287Ssos 56848104Syokotastatic int 56948104Syokotavesa_translate_mmodel(u_int8_t vmodel) 57048104Syokota{ 57148104Syokota static struct { 57248104Syokota u_int8_t vmodel; 57348104Syokota int mmodel; 57448104Syokota } mtable[] = { 57548104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 57648104Syokota { V_MMCGA, V_INFO_MM_CGA }, 57748104Syokota { V_MMHGC, V_INFO_MM_HGC }, 57848104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 57948104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 58048104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 58148104Syokota }; 58248104Syokota int i; 58348104Syokota 58448104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 58548104Syokota if (mtable[i].vmodel == vmodel) 58648104Syokota return mtable[i].mmodel; 58748104Syokota } 58848104Syokota return V_INFO_MM_OTHER; 58948104Syokota} 59048104Syokota 59139858Syokotastatic void 59239858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 59339858Syokota{ 59439858Syokota if (p == 0) 59539858Syokota return NULL; 59639858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 59739858Syokota return (void *)(buf + ((p & 0xffff) - off)); 59839858Syokota else { 59939858Syokota p = BIOS_SADDRTOLADDR(p); 60039858Syokota return (void *)BIOS_PADDRTOVADDR(p); 60139858Syokota } 60239858Syokota} 60339858Syokota 60439287Ssosstatic int 60539287Ssosvesa_bios_init(void) 60639287Ssos{ 60745196Syokota static u_char buf[512]; 60839287Ssos struct vm86frame vmf; 60939287Ssos struct vesa_mode vmode; 61048104Syokota video_info_t *p; 61145196Syokota u_char *vmbuf; 612117710Srobert int is_via_cle266; 61339287Ssos int modes; 61439287Ssos int err; 61539287Ssos int i; 61639287Ssos 61739287Ssos if (vesa_init_done) 61839287Ssos return 0; 61939287Ssos 62039287Ssos has_vesa_bios = FALSE; 62139287Ssos vesa_adp_info = NULL; 62248104Syokota vesa_vmode_max = 0; 62339287Ssos vesa_vmode[0].vi_mode = EOT; 62439287Ssos 62545196Syokota vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0); 62639287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 62745196Syokota bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 62839744Sache vmf.vmf_eax = 0x4f00; 62945196Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di); 63044846Sjlemon 63144846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 63250445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f) || bcmp("VESA", vmbuf, 4)) 63339287Ssos return 1; 63445196Syokota bcopy(vmbuf, buf, sizeof(buf)); 63539287Ssos vesa_adp_info = (struct vesa_info *)buf; 63642504Syokota if (bootverbose) { 63742504Syokota printf("VESA: information block\n"); 63839287Ssos dump_buffer(buf, 64); 63942504Syokota } 64039287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 64139287Ssos return 1; 64248104Syokota if (vesa_adp_info->v_version < 0x0102) { 64348104Syokota printf("VESA: VBE version %d.%d is not supported; " 64448104Syokota "version 1.2 or later is required.\n", 64548104Syokota ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 64648104Syokota + ((vesa_adp_info->v_version & 0x0f00) >> 8), 64748104Syokota ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 64848104Syokota + (vesa_adp_info->v_version & 0x000f)); 64948104Syokota return 1; 65048104Syokota } 65139287Ssos 65239858Syokota /* fix string ptrs */ 65339858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 65439858Syokota vmf.vmf_es, vmf.vmf_di, buf); 655117710Srobert is_via_cle266 = strcmp(vesa_oemstr, VESA_VIA_CLE266) == 0; 656117710Srobert 65739858Syokota if (vesa_adp_info->v_version >= 0x0200) { 65839858Syokota vesa_venderstr = 65939858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr, 66039858Syokota vmf.vmf_es, vmf.vmf_di, buf); 66139858Syokota vesa_prodstr = 66239858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr, 66339858Syokota vmf.vmf_es, vmf.vmf_di, buf); 66439858Syokota vesa_revstr = 66539858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_revstr, 66639858Syokota vmf.vmf_es, vmf.vmf_di, buf); 66739858Syokota } 66839858Syokota 66939287Ssos /* obtain video mode information */ 67039858Syokota vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable, 67139858Syokota vmf.vmf_es, vmf.vmf_di, buf); 67239858Syokota if (vesa_vmodetab == NULL) 67339858Syokota return 1; 67439858Syokota for (i = 0, modes = 0; 67539858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 67639858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 67739287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 67839287Ssos continue; 67939287Ssos 68039287Ssos /* reject unsupported modes */ 68139287Ssos#if 0 68239287Ssos if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO 68339287Ssos | V_MODENONVGA)) 68439287Ssos != (V_MODESUPP | V_MODEOPTINFO)) 68539287Ssos continue; 68639287Ssos#else 68767816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 68866710Sjhb#if VESA_DEBUG > 1 68966710Sjhb printf( 69066710Sjhb "Rejecting VESA %s mode: %d x %d x %d bpp attr = %x\n", 69166710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 69266710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 69366710Sjhb vmode.v_modeattr); 69466710Sjhb#endif 69539287Ssos continue; 69666710Sjhb } 69739287Ssos#endif 69839287Ssos 69948104Syokota /* expand the array if necessary */ 70048104Syokota if (modes >= vesa_vmode_max) { 70148104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 70248104Syokota p = malloc(sizeof(*vesa_vmode)*(vesa_vmode_max + 1), 703111119Simp M_DEVBUF, M_WAITOK); 70448104Syokota#if VESA_DEBUG > 1 70548104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 70650445Syokota modes, vesa_vmode_max); 70748104Syokota#endif 70848104Syokota if (modes > 0) { 70948104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 71048104Syokota free(vesa_vmode, M_DEVBUF); 71148104Syokota } 71248104Syokota vesa_vmode = p; 71348104Syokota } 71448104Syokota 71566710Sjhb#if VESA_DEBUG > 1 71666710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 71766710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 71866710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 71966710Sjhb#endif 720117710Srobert if (is_via_cle266) { 721117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 722117710Srobert vmode.v_width &= 0xff; 723117710Srobert vmode.v_waseg = 0xb8000 >> 4; 724117710Srobert } 725117710Srobert } 726117710Srobert 72739287Ssos /* copy some fields */ 72839287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 72939287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 73039287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 73139287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 73239287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 73339287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 73439287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 73539287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 73639287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 73739287Ssos /* XXX window B */ 73839858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 73939858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 74048104Syokota if (vmode.v_modeattr & V_MODELFB) 74148104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 74248104Syokota else 74348104Syokota vesa_vmode[modes].vi_buffer = 0; 74443664Syokota /* XXX */ 74548104Syokota vesa_vmode[modes].vi_buffer_size 74648104Syokota = vesa_adp_info->v_memsize*64*1024; 74748104Syokota#if 0 74843664Syokota if (vmode.v_offscreen > vmode.v_lfb) 74943664Syokota vesa_vmode[modes].vi_buffer_size 75048104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 75148104Syokota - vmode.v_lfb; 75243664Syokota else 75348104Syokota vesa_vmode[modes].vi_buffer_size 75448104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 75548104Syokota#endif 75648104Syokota vesa_vmode[modes].vi_mem_model 75748104Syokota = vesa_translate_mmodel(vmode.v_memmodel); 75848104Syokota vesa_vmode[modes].vi_pixel_fields[0] = 0; 75948104Syokota vesa_vmode[modes].vi_pixel_fields[1] = 0; 76048104Syokota vesa_vmode[modes].vi_pixel_fields[2] = 0; 76148104Syokota vesa_vmode[modes].vi_pixel_fields[3] = 0; 76248104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] = 0; 76348104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] = 0; 76448104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] = 0; 76548104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] = 0; 76648104Syokota if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED) { 76748104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 76848104Syokota } else if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) { 76948104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 77048104Syokota vesa_vmode[modes].vi_pixel_fields[0] 77148104Syokota = vmode.v_redfieldpos; 77248104Syokota vesa_vmode[modes].vi_pixel_fields[1] 77348104Syokota = vmode.v_greenfieldpos; 77448104Syokota vesa_vmode[modes].vi_pixel_fields[2] 77548104Syokota = vmode.v_bluefieldpos; 77648104Syokota vesa_vmode[modes].vi_pixel_fields[3] 77748104Syokota = vmode.v_resfieldpos; 77848104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] 77948104Syokota = vmode.v_redmasksize; 78048104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] 78148104Syokota = vmode.v_greenmasksize; 78248104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] 78348104Syokota = vmode.v_bluemasksize; 78448104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] 78548104Syokota = vmode.v_resmasksize; 78648104Syokota } else { 78748104Syokota vesa_vmode[modes].vi_pixel_size = 0; 78848104Syokota } 78948104Syokota 79039591Syokota vesa_vmode[modes].vi_flags 79139591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 79239287Ssos ++modes; 79339287Ssos } 79439287Ssos vesa_vmode[modes].vi_mode = EOT; 79539287Ssos if (bootverbose) 79639287Ssos printf("VESA: %d mode(s) found\n", modes); 79739287Ssos 79839858Syokota has_vesa_bios = (modes > 0); 79939858Syokota return (has_vesa_bios ? 0 : 1); 80039287Ssos} 80139287Ssos 80239287Ssosstatic void 80339591Syokotavesa_clear_modes(video_info_t *info, int color) 80439287Ssos{ 80539287Ssos while (info->vi_mode != EOT) { 80639287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 80739287Ssos info->vi_mode = NA; 80839287Ssos ++info; 80939287Ssos } 81039287Ssos} 81139287Ssos 81248104Syokotastatic vm_offset_t 81348104Syokotavesa_map_buffer(u_int paddr, size_t size) 81448104Syokota{ 81548104Syokota vm_offset_t vaddr; 81648104Syokota u_int off; 81748104Syokota 81848104Syokota off = paddr - trunc_page(paddr); 81948104Syokota vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off); 82048104Syokota#if VESA_DEBUG > 1 82148104Syokota printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n", 82248104Syokota paddr, vaddr, size, off); 82348104Syokota#endif 82448104Syokota return (vaddr + off); 82548104Syokota} 82648104Syokota 82748104Syokotastatic void 82848104Syokotavesa_unmap_buffer(vm_offset_t vaddr, size_t size) 82948104Syokota{ 83048104Syokota#if VESA_DEBUG > 1 83148104Syokota printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size); 83248104Syokota#endif 83348104Syokota kmem_free(kernel_map, vaddr, size); 83448104Syokota} 83548104Syokota 83642504Syokota/* entry points */ 83739287Ssos 83839287Ssosstatic int 83942504Syokotavesa_configure(int flags) 84039287Ssos{ 84142504Syokota video_adapter_t *adp; 84239287Ssos int adapters; 84342504Syokota int error; 84439287Ssos int i; 84539287Ssos 84642504Syokota if (vesa_init_done) 84742504Syokota return 0; 84842504Syokota if (flags & VIO_PROBE_ONLY) 84942504Syokota return 0; /* XXX */ 85042504Syokota 85142504Syokota /* 85242504Syokota * If the VESA module has already been loaded, abort loading 85342504Syokota * the module this time. 85442504Syokota */ 85542504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 85642504Syokota if (adp->va_flags & V_ADP_VESA) 85742504Syokota return ENXIO; 85842504Syokota if (adp->va_type == KD_VGA) 85942504Syokota break; 86039287Ssos } 86142504Syokota /* 86242504Syokota * The VGA adapter is not found. This is because either 86342504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 86442504Syokota * is not present. If 1) is the case, we shall defer 86542504Syokota * initialization for now and try again later. 86642504Syokota */ 86742504Syokota if (adp == NULL) { 86842504Syokota vga_sub_configure = vesa_configure; 86942504Syokota return ENODEV; 87042504Syokota } 87142504Syokota 87242504Syokota /* count number of registered adapters */ 87342504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 87442504Syokota ; 87542504Syokota adapters = i; 87642504Syokota 87742504Syokota /* call VESA BIOS */ 87842504Syokota vesa_adp = adp; 87942504Syokota if (vesa_bios_init()) { 88042504Syokota vesa_adp = NULL; 88142504Syokota return ENXIO; 88242504Syokota } 88342504Syokota vesa_adp->va_flags |= V_ADP_VESA; 88442504Syokota 88542504Syokota /* remove conflicting modes if we have more than one adapter */ 88642504Syokota if (adapters > 1) { 88742504Syokota vesa_clear_modes(vesa_vmode, 88842504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 88942504Syokota V_INFO_COLOR : 0); 89042504Syokota } 89142504Syokota 89242504Syokota if ((error = vesa_load_ioctl()) == 0) { 89342504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 89442504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 89542504Syokota vesa_init_done = TRUE; 89642504Syokota } else { 89742504Syokota vesa_adp = NULL; 89842504Syokota return error; 89942504Syokota } 90042504Syokota 90142504Syokota return 0; 90239287Ssos} 90339287Ssos 90448399Speter#if 0 90542504Syokotastatic int 90642504Syokotavesa_nop(void) 90739287Ssos{ 90842504Syokota return 0; 90939287Ssos} 91048399Speter#endif 91139287Ssos 91239287Ssosstatic int 91348104Syokotavesa_error(void) 91448104Syokota{ 91548104Syokota return 1; 91648104Syokota} 91748104Syokota 91848104Syokotastatic int 91942504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 92039287Ssos{ 92142504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 92242504Syokota} 92342504Syokota 92442504Syokotastatic int 92542504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 92642504Syokota{ 92742504Syokota return (*prevvidsw->init)(unit, adp, flags); 92842504Syokota} 92942504Syokota 93042504Syokotastatic int 93142504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 93242504Syokota{ 93339287Ssos int i; 93439287Ssos 93542504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 93639287Ssos return 0; 93739287Ssos 93842504Syokota if (adp != vesa_adp) 93939287Ssos return 1; 94039591Syokota 94139591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 94239591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 94339287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 94439287Ssos if (vesa_vmode[i].vi_mode == NA) 94539287Ssos continue; 94639287Ssos if (vesa_vmode[i].vi_mode == mode) { 94739287Ssos *info = vesa_vmode[i]; 94839287Ssos return 0; 94939287Ssos } 95039287Ssos } 95139287Ssos return 1; 95239287Ssos} 95339287Ssos 95439287Ssosstatic int 95542504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 95639287Ssos{ 95739287Ssos int i; 95839287Ssos 95954258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 96054258Syokota return 0; 96142504Syokota if (adp != vesa_adp) 96254258Syokota return ENODEV; 96339287Ssos 96439287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 96539287Ssos if ((info->vi_width != 0) 96639287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 96739287Ssos continue; 96839287Ssos if ((info->vi_height != 0) 96939287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 97039287Ssos continue; 97139287Ssos if ((info->vi_cwidth != 0) 97239287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 97339287Ssos continue; 97439287Ssos if ((info->vi_cheight != 0) 97539287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 97639287Ssos continue; 97739287Ssos if ((info->vi_depth != 0) 97839287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 97939287Ssos continue; 98039287Ssos if ((info->vi_planes != 0) 98139287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 98239287Ssos continue; 98339287Ssos /* pixel format, memory model */ 98439287Ssos if ((info->vi_flags != 0) 98539287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 98639287Ssos continue; 98754258Syokota *info = vesa_vmode[i]; 98854258Syokota return 0; 98939287Ssos } 99054258Syokota return ENODEV; 99139287Ssos} 99239287Ssos 99339287Ssosstatic int 99442504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 99539287Ssos{ 99639287Ssos video_info_t info; 99748104Syokota int len; 99839287Ssos 99942504Syokota if (adp != vesa_adp) 100042504Syokota return (*prevvidsw->set_mode)(adp, mode); 100139287Ssos 100248104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 100348104Syokota adp->va_flags & V_ADP_COLOR, mode); 100442504Syokota#if VESA_DEBUG > 0 100539287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 100648104Syokota adp->va_mode, adp->va_mode, mode, mode); 100739287Ssos#endif 100839287Ssos /* 100939287Ssos * If the current mode is a VESA mode and the new mode is not, 101048104Syokota * restore the state of the adapter first by setting one of the 101148104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 101248104Syokota * are set to the state compatible with the standard VGA modes. 101348104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 101448104Syokota * the new mode correctly. 101539287Ssos */ 101648104Syokota if (VESA_MODE(adp->va_mode)) { 101742504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 101848104Syokota int10_set_mode(adp->va_initial_bios_mode); 101948104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 102048104Syokota vesa_unmap_buffer(adp->va_buffer, 102148104Syokota vesa_adp_info->v_memsize*64*1024); 102248104Syokota /* 102348104Syokota * Once (*prevvidsw->get_info)() succeeded, 102448104Syokota * (*prevvidsw->set_mode)() below won't fail... 102548104Syokota */ 102639287Ssos } 102739287Ssos } 102839287Ssos 102939287Ssos /* we may not need to handle this mode after all... */ 103042504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 103139287Ssos return 0; 103239287Ssos 103339287Ssos /* is the new mode supported? */ 103442504Syokota if (vesa_get_info(adp, mode, &info)) 103539287Ssos return 1; 103639287Ssos /* assert(VESA_MODE(mode)); */ 103739287Ssos 103842504Syokota#if VESA_DEBUG > 0 103939287Ssos printf("VESA: about to set a VESA mode...\n"); 104039287Ssos#endif 104148104Syokota /* don't use the linear frame buffer for text modes. XXX */ 104248104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 104348104Syokota info.vi_flags &= ~V_INFO_LINEAR; 104439287Ssos 104548104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 104639287Ssos return 1; 104739287Ssos 104848104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 104948104Syokota vesa_unmap_buffer(adp->va_buffer, 105048104Syokota vesa_adp_info->v_memsize*64*1024); 105148104Syokota 105242504Syokota#if VESA_DEBUG > 0 105339287Ssos printf("VESA: mode set!\n"); 105439287Ssos#endif 105539287Ssos vesa_adp->va_mode = mode; 105639287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 105739287Ssos vesa_adp->va_flags |= 105839287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 105939287Ssos vesa_adp->va_crtc_addr = 106042504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 106148104Syokota if (info.vi_flags & V_INFO_LINEAR) { 106248104Syokota#if VESA_DEBUG > 1 106348104Syokota printf("VESA: setting up LFB\n"); 106448104Syokota#endif 106548104Syokota vesa_adp->va_buffer = 106648104Syokota vesa_map_buffer(info.vi_buffer, 106748104Syokota vesa_adp_info->v_memsize*64*1024); 106848104Syokota vesa_adp->va_buffer_size = info.vi_buffer_size; 106948104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 107048104Syokota vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes; 107148104Syokota vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes; 107248104Syokota } else { 107339287Ssos vesa_adp->va_buffer = 0; 107439287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 107548104Syokota vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 107648104Syokota vesa_adp->va_window_size = info.vi_window_size; 107748104Syokota vesa_adp->va_window_gran = info.vi_window_gran; 107839287Ssos } 107948104Syokota vesa_adp->va_window_orig = 0; 108043664Syokota len = vesa_bios_get_line_length(); 108143674Syokota if (len > 0) { 108243674Syokota vesa_adp->va_line_width = len; 108343674Syokota } else if (info.vi_flags & V_INFO_GRAPHICS) { 108443674Syokota switch (info.vi_depth/info.vi_planes) { 108543674Syokota case 1: 108643674Syokota vesa_adp->va_line_width = info.vi_width/8; 108743674Syokota break; 108843674Syokota case 2: 108943674Syokota vesa_adp->va_line_width = info.vi_width/4; 109043674Syokota break; 109143674Syokota case 4: 109243674Syokota vesa_adp->va_line_width = info.vi_width/2; 109343674Syokota break; 109443674Syokota case 8: 109543674Syokota default: /* shouldn't happen */ 109643674Syokota vesa_adp->va_line_width = info.vi_width; 109743674Syokota break; 109843674Syokota } 109943674Syokota } else { 110043674Syokota vesa_adp->va_line_width = info.vi_width; 110143674Syokota } 110248104Syokota vesa_adp->va_disp_start.x = 0; 110348104Syokota vesa_adp->va_disp_start.y = 0; 110443664Syokota#if VESA_DEBUG > 0 110543664Syokota printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n", 110643674Syokota info.vi_width, len, vesa_adp->va_line_width); 110743664Syokota#endif 110843674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 110939287Ssos 111042504Syokota /* move hardware cursor out of the way */ 111143674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 111242504Syokota 111339287Ssos return 0; 111439287Ssos} 111539287Ssos 111639287Ssosstatic int 111742504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 111842504Syokota int ch, int count) 111939287Ssos{ 112042504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 112139287Ssos} 112239287Ssos 112339287Ssosstatic int 112442504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 112542504Syokota int ch, int count) 112639287Ssos{ 112742504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 112839287Ssos} 112939287Ssos 113039287Ssosstatic int 113142504Syokotavesa_show_font(video_adapter_t *adp, int page) 113239287Ssos{ 113342504Syokota return (*prevvidsw->show_font)(adp, page); 113439287Ssos} 113539287Ssos 113639287Ssosstatic int 113742504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 113839287Ssos{ 113942729Syokota int bits; 114042729Syokota int error; 114139287Ssos 114245117Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 114345117Syokota && VESA_MODE(adp->va_mode)) { 114445117Syokota bits = vesa_bios_get_dac(); 114542729Syokota error = vesa_bios_save_palette(0, 256, palette, bits); 114642729Syokota if (error == 0) 114742729Syokota return 0; 114845117Syokota if (bits != 6) 114945117Syokota return error; 115042729Syokota } 115142729Syokota 115242729Syokota return (*prevvidsw->save_palette)(adp, palette); 115339287Ssos} 115439287Ssos 115539287Ssosstatic int 115642504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 115739287Ssos{ 115845117Syokota#if notyet 115942729Syokota int bits; 116042729Syokota int error; 116139287Ssos 116242729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 116345117Syokota && VESA_MODE(adp->va_mode) && ((bits = vesa_bios_set_dac(8)) > 6)) { 116442729Syokota error = vesa_bios_load_palette(0, 256, palette, bits); 116542729Syokota if (error == 0) 116642729Syokota return 0; 116745117Syokota if (vesa_bios_set_dac(6) != 6) 116845117Syokota return 1; 116942729Syokota } 117045117Syokota#endif /* notyet */ 117142729Syokota 117242729Syokota return (*prevvidsw->load_palette)(adp, palette); 117339287Ssos} 117439287Ssos 117539287Ssosstatic int 117642504Syokotavesa_set_border(video_adapter_t *adp, int color) 117739287Ssos{ 117842504Syokota return (*prevvidsw->set_border)(adp, color); 117939287Ssos} 118039287Ssos 118139287Ssosstatic int 118242504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 118339287Ssos{ 118442504Syokota if (adp != vesa_adp) 118542504Syokota return (*prevvidsw->save_state)(adp, p, size); 118639287Ssos 118739287Ssos if (vesa_state_buf_size == 0) 118839287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 118939287Ssos if (size == 0) 119039287Ssos return (sizeof(int) + vesa_state_buf_size); 119139287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 119239287Ssos return 1; 119339287Ssos 119439287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 119539287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 119639287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 119739287Ssos vesa_state_buf_size); 119839287Ssos} 119939287Ssos 120039287Ssosstatic int 120142504Syokotavesa_load_state(video_adapter_t *adp, void *p) 120239287Ssos{ 120342504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 120442504Syokota return (*prevvidsw->load_state)(adp, p); 120539287Ssos 120639287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 120739287Ssos vesa_state_buf_size); 120839287Ssos} 120939287Ssos 121048399Speter#if 0 121139287Ssosstatic int 121248104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 121348104Syokota{ 121448104Syokota struct vm86frame vmf; 121548104Syokota int err; 121648104Syokota 121748104Syokota bzero(&vmf, sizeof(vmf)); 121848104Syokota vmf.vmf_eax = 0x4f05; 121948104Syokota vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */ 122048104Syokota err = vm86_intcall(0x10, &vmf); 122150445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 122248104Syokota return 1; 122348104Syokota *offset = vmf.vmf_dx*adp->va_window_gran; 122448104Syokota return 0; 122548104Syokota} 122648399Speter#endif 122748104Syokota 122848104Syokotastatic int 122942504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 123039287Ssos{ 123139287Ssos struct vm86frame vmf; 123239287Ssos int err; 123339287Ssos 123439287Ssos /* 123539287Ssos * This function should return as quickly as possible to 123639287Ssos * maintain good performance of the system. For this reason, 123739287Ssos * error checking is kept minimal and let the VESA BIOS to 123839287Ssos * detect error. 123939287Ssos */ 124042504Syokota if (adp != vesa_adp) 124142504Syokota return (*prevvidsw->set_win_org)(adp, offset); 124239287Ssos 124348104Syokota /* if this is a linear frame buffer, do nothing */ 124448104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 124548104Syokota return 0; 124648104Syokota /* XXX */ 124748104Syokota if (adp->va_window_gran == 0) 124839287Ssos return 1; 124948104Syokota 125039287Ssos bzero(&vmf, sizeof(vmf)); 125139287Ssos vmf.vmf_eax = 0x4f05; 125239287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 125348104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 125439287Ssos err = vm86_intcall(0x10, &vmf); 125550445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 125643664Syokota return 1; 125743664Syokota bzero(&vmf, sizeof(vmf)); 125843664Syokota vmf.vmf_eax = 0x4f05; 125943664Syokota vmf.vmf_ebx = 1; /* WINDOW_B, XXX */ 126048104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 126143664Syokota err = vm86_intcall(0x10, &vmf); 126248104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 126343664Syokota return 0; /* XXX */ 126439287Ssos} 126539287Ssos 126639287Ssosstatic int 126742504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 126839287Ssos{ 126942504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 127039287Ssos} 127139287Ssos 127239287Ssosstatic int 127342504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 127439287Ssos{ 127542504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 127639287Ssos} 127739287Ssos 127839287Ssosstatic int 127942504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 128042504Syokota int celsize, int blink) 128139287Ssos{ 128242504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 128342504Syokota blink); 128442504Syokota} 128542504Syokota 128642504Syokotastatic int 128748104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 128842504Syokota{ 128948104Syokota /* XXX: use VESA DPMS */ 129048104Syokota return (*prevvidsw->blank_display)(adp, mode); 129142504Syokota} 129242504Syokota 129342504Syokotastatic int 1294113130Scognetvesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, 1295111462Smux int prot) 129642504Syokota{ 129748104Syokota#if VESA_DEBUG > 0 129848104Syokota printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n", 129948104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 130042504Syokota#endif 130139287Ssos 130248104Syokota if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) { 130348104Syokota /* va_window_size == va_buffer_size/vi_planes */ 130448104Syokota /* XXX: is this correct? */ 130548104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 130648104Syokota return -1; 1307111462Smux *paddr = adp->va_info.vi_buffer + offset; 1308111462Smux return 0; 130948104Syokota } else { 1310111462Smux return (*prevvidsw->mmap)(adp, offset, paddr, prot); 131148104Syokota } 131248104Syokota} 131348104Syokota 131448104Syokotastatic int 131548104Syokotavesa_clear(video_adapter_t *adp) 131648104Syokota{ 131748104Syokota return (*prevvidsw->clear)(adp); 131848104Syokota} 131948104Syokota 132048104Syokotastatic int 132148104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 132248104Syokota{ 132348104Syokota return (*prevvidsw->fill_rect)(adp, val, x, y, cx, cy); 132448104Syokota} 132548104Syokota 132648104Syokotastatic int 132748104Syokotavesa_bitblt(video_adapter_t *adp,...) 132848104Syokota{ 132948104Syokota /* FIXME */ 133048104Syokota return 1; 133148104Syokota} 133248104Syokota 133348104Syokotastatic int 133448104Syokotaget_palette(video_adapter_t *adp, int base, int count, 133548104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 133648104Syokota{ 133748104Syokota u_char *r; 133848104Syokota u_char *g; 133948104Syokota u_char *b; 134048104Syokota int bits; 134148104Syokota int error; 134248104Syokota 1343101557Srwatson if ((base < 0) || (base >= 256) || (count < 0) || (count > 256)) 134448104Syokota return 1; 1345101557Srwatson if ((base + count) > 256) 1346101557Srwatson return 1; 134748104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode)) 134848104Syokota return 1; 134948104Syokota 135048104Syokota bits = vesa_bios_get_dac(); 135148104Syokota if (bits <= 6) 135248104Syokota return 1; 135348104Syokota 1354111119Simp r = malloc(count*3, M_DEVBUF, M_WAITOK); 135548104Syokota g = r + count; 135648104Syokota b = g + count; 135748104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 135848104Syokota if (error == 0) { 135948104Syokota copyout(r, red, count); 136048104Syokota copyout(g, green, count); 136148104Syokota copyout(b, blue, count); 136248104Syokota if (trans != NULL) { 136348104Syokota bzero(r, count); 136448104Syokota copyout(r, trans, count); 136548104Syokota } 136648104Syokota } 136748104Syokota free(r, M_DEVBUF); 136848104Syokota 136948104Syokota /* if error && bits != 6 at this point, we are in in trouble... XXX */ 137048104Syokota return error; 137148104Syokota} 137248104Syokota 137348104Syokotastatic int 137448104Syokotaset_palette(video_adapter_t *adp, int base, int count, 137548104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 137648104Syokota{ 137748104Syokota return 1; 137848104Syokota#if notyet 137948104Syokota u_char *r; 138048104Syokota u_char *g; 138148104Syokota u_char *b; 138248104Syokota int bits; 138348104Syokota int error; 138448104Syokota 138548104Syokota if ((base < 0) || (base >= 256) || (base + count > 256)) 138648104Syokota return 1; 138748104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode) 138848104Syokota || ((bits = vesa_bios_set_dac(8)) <= 6)) 138948104Syokota return 1; 139048104Syokota 1391111119Simp r = malloc(count*3, M_DEVBUF, M_WAITOK); 139248104Syokota g = r + count; 139348104Syokota b = g + count; 139448104Syokota copyin(red, r, count); 139548104Syokota copyin(green, g, count); 139648104Syokota copyin(blue, b, count); 139748104Syokota 139848104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 139948104Syokota free(r, M_DEVBUF); 140048104Syokota if (error == 0) 140148104Syokota return 0; 140248104Syokota 140348104Syokota /* if the following call fails, we are in trouble... XXX */ 140448104Syokota vesa_bios_set_dac(6); 140548104Syokota return 1; 140648104Syokota#endif /* notyet */ 140748104Syokota} 140848104Syokota 140948104Syokotastatic int 141048104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 141148104Syokota{ 141250446Syokota int bytes; 141350446Syokota 141442504Syokota if (adp != vesa_adp) 141548104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 141648104Syokota 141748104Syokota switch (cmd) { 141848104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 141950792Syokota if (!VESA_MODE(adp->va_mode)) 142050792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 142148104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 142248104Syokota 142348104Syokota case FBIO_SETDISPSTART: /* set display start address */ 142450792Syokota if (!VESA_MODE(adp->va_mode)) 142550792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 142648104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 142748104Syokota ((video_display_start_t *)arg)->y)) 142848104Syokota return ENODEV; 142948104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 143048104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 143148104Syokota return 0; 143248104Syokota 143348104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 143450792Syokota if (!VESA_MODE(adp->va_mode)) 143550792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 143650446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 143748104Syokota return ENODEV; 143850446Syokota adp->va_line_width = bytes; 143950446Syokota#if VESA_DEBUG > 1 144050446Syokota printf("new line width:%d\n", adp->va_line_width); 144150446Syokota#endif 144248104Syokota return 0; 144348104Syokota 144448104Syokota case FBIO_GETPALETTE: /* get color palette */ 144548104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 144648104Syokota ((video_color_palette_t *)arg)->count, 144748104Syokota ((video_color_palette_t *)arg)->red, 144848104Syokota ((video_color_palette_t *)arg)->green, 144948104Syokota ((video_color_palette_t *)arg)->blue, 145048104Syokota ((video_color_palette_t *)arg)->transparent)) 145148104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 145248104Syokota return 0; 145348104Syokota 145448104Syokota 145548104Syokota case FBIO_SETPALETTE: /* set color palette */ 145648104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 145748104Syokota ((video_color_palette_t *)arg)->count, 145848104Syokota ((video_color_palette_t *)arg)->red, 145948104Syokota ((video_color_palette_t *)arg)->green, 146048104Syokota ((video_color_palette_t *)arg)->blue, 146148104Syokota ((video_color_palette_t *)arg)->transparent)) 146248104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 146348104Syokota return 0; 146448104Syokota 146548104Syokota case FBIOGETCMAP: /* get color palette */ 146648104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 146748104Syokota ((struct fbcmap *)arg)->count, 146848104Syokota ((struct fbcmap *)arg)->red, 146948104Syokota ((struct fbcmap *)arg)->green, 147048104Syokota ((struct fbcmap *)arg)->blue, NULL)) 147148104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 147248104Syokota return 0; 147348104Syokota 147448104Syokota case FBIOPUTCMAP: /* set color palette */ 147548104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 147648104Syokota ((struct fbcmap *)arg)->count, 147748104Syokota ((struct fbcmap *)arg)->red, 147848104Syokota ((struct fbcmap *)arg)->green, 147948104Syokota ((struct fbcmap *)arg)->blue, NULL)) 148048104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 148148104Syokota return 0; 148248104Syokota 148348104Syokota default: 148448104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 148548104Syokota } 148648104Syokota} 148748104Syokota 148848104Syokotastatic int 148948104Syokotavesa_diag(video_adapter_t *adp, int level) 149048104Syokota{ 149148104Syokota int error; 149248104Syokota 149348104Syokota /* call the previous handler first */ 149448104Syokota error = (*prevvidsw->diag)(adp, level); 149548104Syokota if (error) 149648104Syokota return error; 149748104Syokota 149848104Syokota if (adp != vesa_adp) 149942504Syokota return 1; 150042504Syokota 150148104Syokota if (level <= 0) 150248104Syokota return 0; 150348104Syokota 150448104Syokota return 0; 150548104Syokota} 150648104Syokota 150748104Syokotastatic int 150848104Syokotavesa_bios_info(int level) 150948104Syokota{ 151048104Syokota#if VESA_DEBUG > 1 151148104Syokota struct vesa_mode vmode; 151248104Syokota int i; 151339591Syokota#endif 151439591Syokota 151539287Ssos /* general adapter information */ 151639287Ssos printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 151739287Ssos ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 151839287Ssos + ((vesa_adp_info->v_version & 0x0f00) >> 8), 151939287Ssos ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 152039287Ssos + (vesa_adp_info->v_version & 0x000f), 152139287Ssos vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 152239287Ssos vesa_vmodetab, vesa_adp_info->v_modetable); 152339287Ssos /* OEM string */ 152439858Syokota if (vesa_oemstr != NULL) 152539858Syokota printf("VESA: %s\n", vesa_oemstr); 152639287Ssos 152739287Ssos if (level <= 0) 152839287Ssos return 0; 152939287Ssos 153039287Ssos if (vesa_adp_info->v_version >= 0x0200) { 153148104Syokota /* vender name, product name, product revision */ 153248104Syokota printf("VESA: %s %s %s\n", 153348104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 153448104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 153548104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 153639287Ssos } 153739287Ssos 153842504Syokota#if VESA_DEBUG > 1 153939287Ssos /* mode information */ 154039858Syokota for (i = 0; 154139858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 154239858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 154339287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 154439287Ssos continue; 154539287Ssos 154639287Ssos /* print something for diagnostic purpose */ 154739287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 154839287Ssos vesa_vmodetab[i], vmode.v_modeattr); 154939287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 155039287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 155139287Ssos printf(", G %dx%dx%d %d, ", 155239287Ssos vmode.v_width, vmode.v_height, 155339287Ssos vmode.v_bpp, vmode.v_planes); 155439287Ssos } else { 155539287Ssos printf(", T %dx%d, ", 155639287Ssos vmode.v_width, vmode.v_height); 155739287Ssos } 155848104Syokota printf("font:%dx%d, ", 155939287Ssos vmode.v_cwidth, vmode.v_cheight); 156048104Syokota printf("pages:%d, mem:%d", 156148104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 156239287Ssos } 156339287Ssos if (vmode.v_modeattr & V_MODELFB) { 156448104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 156548104Syokota vmode.v_lfb, vmode.v_offscreen, 156648104Syokota vmode.v_offscreensize*1024); 156739287Ssos } 156839287Ssos printf("\n"); 156939287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 157039287Ssos vmode.v_waseg, vmode.v_waattr, 157139287Ssos vmode.v_wbseg, vmode.v_wbattr); 157239287Ssos printf("size:%dk, gran:%dk\n", 157339287Ssos vmode.v_wsize, vmode.v_wgran); 157439287Ssos } 157548104Syokota#endif /* VESA_DEBUG > 1 */ 157639287Ssos 157739287Ssos return 0; 157839287Ssos} 157939287Ssos 158039287Ssos/* module loading */ 158139287Ssos 158242504Syokotastatic int 158339287Ssosvesa_load(void) 158439287Ssos{ 158539287Ssos int error; 158639287Ssos int s; 158739287Ssos 158839287Ssos if (vesa_init_done) 158939287Ssos return 0; 159039287Ssos 159142504Syokota /* locate a VGA adapter */ 159242504Syokota s = spltty(); 159339287Ssos vesa_adp = NULL; 159442504Syokota error = vesa_configure(0); 159542504Syokota splx(s); 159639287Ssos 159739287Ssos if (error == 0) 159848104Syokota vesa_bios_info(bootverbose); 159939287Ssos 160039287Ssos return error; 160139287Ssos} 160239287Ssos 160339287Ssosstatic int 160442179Syokotavesa_unload(void) 160539287Ssos{ 160645117Syokota u_char palette[256*3]; 160739287Ssos int error; 160845117Syokota int bits; 160939287Ssos int s; 161039287Ssos 161139287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 161239287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 161339287Ssos return EBUSY; 161439287Ssos /* 161539287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 161639287Ssos * we shouldn't be unloading! XXX 161739287Ssos */ 161839287Ssos 161939287Ssos s = spltty(); 162039287Ssos if ((error = vesa_unload_ioctl()) == 0) { 162144162Syokota if (vesa_adp != NULL) { 162245117Syokota if (vesa_adp_info->v_flags & V_DAC8) { 162345117Syokota bits = vesa_bios_get_dac(); 162445117Syokota if (bits > 6) { 162545117Syokota vesa_bios_save_palette(0, 256, 162645117Syokota palette, bits); 162745117Syokota vesa_bios_set_dac(6); 162845117Syokota vesa_bios_load_palette(0, 256, 162945117Syokota palette, 6); 163045117Syokota } 163145117Syokota } 163239287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 163344162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 163444162Syokota } 163539287Ssos } 163639287Ssos splx(s); 163739287Ssos 163839287Ssos return error; 163939287Ssos} 164039287Ssos 164142179Syokotastatic int 164242179Syokotavesa_mod_event(module_t mod, int type, void *data) 164339287Ssos{ 164442179Syokota switch (type) { 164542179Syokota case MOD_LOAD: 164642179Syokota return vesa_load(); 164742179Syokota case MOD_UNLOAD: 164842179Syokota return vesa_unload(); 164942179Syokota default: 165042179Syokota break; 165142179Syokota } 165242179Syokota return 0; 165339287Ssos} 165439287Ssos 165542179Syokotastatic moduledata_t vesa_mod = { 165642179Syokota "vesa", 165742179Syokota vesa_mod_event, 165842179Syokota NULL, 165942179Syokota}; 166039287Ssos 166142504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 166242179Syokota 166356836Speter#endif /* VGA_NO_MODE_CHANGE */ 1664