vesa.c revision 142830
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 142830 2005-02-28 20:40:44Z iedowse $"); 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> 45130312Sjhb#include <vm/vm_param.h> 4639287Ssos#include <vm/pmap.h> 4739287Ssos 4839287Ssos#include <machine/md_var.h> 4939287Ssos#include <machine/vm86.h> 5039287Ssos#include <machine/pc/bios.h> 5139287Ssos#include <machine/pc/vesa.h> 5239287Ssos 5342504Syokota#include <dev/fb/fbreg.h> 5442504Syokota#include <dev/fb/vgareg.h> 5539287Ssos 5642504Syokota#ifndef __i386__ 5742504Syokota#include <isa/isareg.h> 5842504Syokota#else 5942504Syokota#include <i386/isa/isa.h> 6042504Syokota#endif 6142504Syokota 62117710Srobert#define VESA_VIA_CLE266 "VIA CLE266\r\n" 63117710Srobert 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; 7939287Ssos 8039287Ssos/* VESA functions */ 8148399Speter#if 0 8242504Syokotastatic int vesa_nop(void); 8348399Speter#endif 8448104Syokotastatic int vesa_error(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; 10248104Syokotastatic vi_blank_display_t vesa_blank_display; 10342504Syokotastatic vi_mmap_t vesa_mmap; 10448104Syokotastatic vi_ioctl_t vesa_ioctl; 10548104Syokotastatic vi_clear_t vesa_clear; 10648104Syokotastatic vi_fill_rect_t vesa_fill_rect; 10748104Syokotastatic vi_bitblt_t vesa_bitblt; 10839287Ssosstatic vi_diag_t vesa_diag; 10948104Syokotastatic int vesa_bios_info(int level); 11044846Sjlemonstatic struct vm86context vesa_vmcontext; 11139287Ssos 11242504Syokotastatic video_switch_t vesavidsw = { 11342504Syokota vesa_probe, 11442504Syokota vesa_init, 11542504Syokota vesa_get_info, 11642504Syokota vesa_query_mode, 11742504Syokota vesa_set_mode, 11842504Syokota vesa_save_font, 11942504Syokota vesa_load_font, 12042504Syokota vesa_show_font, 12142504Syokota vesa_save_palette, 12242504Syokota vesa_load_palette, 12342504Syokota vesa_set_border, 12442504Syokota vesa_save_state, 12542504Syokota vesa_load_state, 12642504Syokota vesa_set_origin, 12742504Syokota vesa_read_hw_cursor, 12842504Syokota vesa_set_hw_cursor, 12942504Syokota vesa_set_hw_cursor_shape, 13048104Syokota vesa_blank_display, 13142504Syokota vesa_mmap, 13248104Syokota vesa_ioctl, 13348104Syokota vesa_clear, 13448104Syokota vesa_fill_rect, 13548104Syokota vesa_bitblt, 13648104Syokota vesa_error, 13748104Syokota vesa_error, 13839287Ssos vesa_diag, 13939287Ssos}; 14039287Ssos 14142504Syokotastatic video_switch_t *prevvidsw; 14239287Ssos 14339287Ssos/* VESA BIOS video modes */ 14439287Ssos#define VESA_MAXMODES 64 14539287Ssos#define EOT (-1) 14639287Ssos#define NA (-2) 14739287Ssos 14848104Syokota#define MODE_TABLE_DELTA 8 14939287Ssos 15048104Syokotastatic int vesa_vmode_max = 0; 15148104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 15248104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 15348104Syokota 15439287Ssosstatic int vesa_init_done = FALSE; 15539287Ssosstatic int has_vesa_bios = FALSE; 15639287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 15739287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 15839858Syokotastatic char *vesa_oemstr = NULL; 15939858Syokotastatic char *vesa_venderstr = NULL; 16039858Syokotastatic char *vesa_prodstr = NULL; 16139858Syokotastatic char *vesa_revstr = NULL; 16239287Ssos 16339287Ssos/* local macros and functions */ 16439287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 16539287Ssos 16642504Syokotastatic int int10_set_mode(int mode); 16739287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 16839287Ssosstatic int vesa_bios_set_mode(int mode); 16945117Syokotastatic int vesa_bios_get_dac(void); 17039287Ssosstatic int vesa_bios_set_dac(int bits); 17142729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 17242729Syokota int bits); 17348104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 17448104Syokota u_char *b, int bits); 17542729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 17642729Syokota int bits); 17748399Speter#ifdef notyet 17848104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 17948104Syokota u_char *b, int bits); 18048399Speter#endif 18139287Ssos#define STATE_SIZE 0 18239287Ssos#define STATE_SAVE 1 18339287Ssos#define STATE_LOAD 2 18439287Ssos#define STATE_HW (1<<0) 18539287Ssos#define STATE_DATA (1<<1) 18639287Ssos#define STATE_DAC (1<<2) 18739287Ssos#define STATE_REG (1<<3) 18839287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 18939287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 190142830Siedowse#define STATE_MAXSIZE (2 * PAGE_SIZE) 19139287Ssosstatic int vesa_bios_state_buf_size(void); 19239287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 19343664Syokotastatic int vesa_bios_get_line_length(void); 19450446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 19548399Speter#if 0 19648104Syokotastatic int vesa_bios_get_start(int *x, int *y); 19748399Speter#endif 19848104Syokotastatic int vesa_bios_set_start(int x, int y); 19939591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 20039591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 20148104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 20239858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 20339858Syokota u_char *buf); 20439287Ssosstatic int vesa_bios_init(void); 20539591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 20648104Syokotastatic vm_offset_t vesa_map_buffer(u_int paddr, size_t size); 20748104Syokotastatic void vesa_unmap_buffer(vm_offset_t vaddr, size_t size); 20839287Ssos 20948399Speter#if 0 21048104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 21148399Speter#endif 21248104Syokota 21339287Ssosstatic void 21439287Ssosdump_buffer(u_char *buf, size_t len) 21539287Ssos{ 21639287Ssos int i; 21739287Ssos 21839287Ssos for(i = 0; i < len;) { 21939287Ssos printf("%02x ", buf[i]); 22039287Ssos if ((++i % 16) == 0) 22139287Ssos printf("\n"); 22239287Ssos } 22339287Ssos} 22439287Ssos 22542504Syokota/* INT 10 BIOS calls */ 22642504Syokotastatic int 22742504Syokotaint10_set_mode(int mode) 22842504Syokota{ 22942504Syokota struct vm86frame vmf; 23042504Syokota 23142504Syokota bzero(&vmf, sizeof(vmf)); 23242504Syokota vmf.vmf_eax = 0x0000 | mode; 23342504Syokota vm86_intcall(0x10, &vmf); 23442504Syokota return 0; 23542504Syokota} 23642504Syokota 23739287Ssos/* VESA BIOS calls */ 23839287Ssosstatic int 23939287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 24039287Ssos{ 24139287Ssos struct vm86frame vmf; 24244846Sjlemon u_char *buf; 24339287Ssos int err; 24439287Ssos 24539287Ssos bzero(&vmf, sizeof(vmf)); 24639287Ssos vmf.vmf_eax = 0x4f01; 24739287Ssos vmf.vmf_ecx = mode; 24844846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 24944866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_di); 25044846Sjlemon 25144846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 25250445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 25339287Ssos return 1; 25439287Ssos bcopy(buf, vmode, sizeof(*vmode)); 25539287Ssos return 0; 25639287Ssos} 25739287Ssos 25839287Ssosstatic int 25939287Ssosvesa_bios_set_mode(int mode) 26039287Ssos{ 26139287Ssos struct vm86frame vmf; 26239287Ssos int err; 26339287Ssos 26439287Ssos bzero(&vmf, sizeof(vmf)); 26539287Ssos vmf.vmf_eax = 0x4f02; 26639287Ssos vmf.vmf_ebx = mode; 26739287Ssos err = vm86_intcall(0x10, &vmf); 26850445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 26939287Ssos} 27039287Ssos 27139287Ssosstatic int 27245117Syokotavesa_bios_get_dac(void) 27345117Syokota{ 27445117Syokota struct vm86frame vmf; 27545117Syokota int err; 27645117Syokota 27745117Syokota bzero(&vmf, sizeof(vmf)); 27845117Syokota vmf.vmf_eax = 0x4f08; 27945117Syokota vmf.vmf_ebx = 1; /* get DAC width */ 28045117Syokota err = vm86_intcall(0x10, &vmf); 28150445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 28245117Syokota return 6; /* XXX */ 28345117Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 28445117Syokota} 28545117Syokota 28645117Syokotastatic int 28739287Ssosvesa_bios_set_dac(int bits) 28839287Ssos{ 28939287Ssos struct vm86frame vmf; 29039287Ssos int err; 29139287Ssos 29239287Ssos bzero(&vmf, sizeof(vmf)); 29339287Ssos vmf.vmf_eax = 0x4f08; 29439287Ssos vmf.vmf_ebx = (bits << 8); 29539287Ssos err = vm86_intcall(0x10, &vmf); 29650445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 29742729Syokota return 6; /* XXX */ 29842729Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 29939287Ssos} 30039287Ssos 30139287Ssosstatic int 30242729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 30339287Ssos{ 30439287Ssos struct vm86frame vmf; 30539287Ssos u_char *p; 30639287Ssos int err; 30739287Ssos int i; 30839287Ssos 30939287Ssos bzero(&vmf, sizeof(vmf)); 31039287Ssos vmf.vmf_eax = 0x4f09; 31139287Ssos vmf.vmf_ebx = 1; /* get primary palette data */ 31239287Ssos vmf.vmf_ecx = colors; 31339287Ssos vmf.vmf_edx = start; 31444846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 31544866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 31644846Sjlemon 31744846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 31850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 31939287Ssos return 1; 32039287Ssos 32142729Syokota bits = 8 - bits; 32239287Ssos for (i = 0; i < colors; ++i) { 32342729Syokota palette[i*3] = p[i*4 + 2] << bits; 32442729Syokota palette[i*3 + 1] = p[i*4 + 1] << bits; 32542729Syokota palette[i*3 + 2] = p[i*4] << bits; 32639287Ssos } 32739287Ssos return 0; 32839287Ssos} 32939287Ssos 33039287Ssosstatic int 33148104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 33248104Syokota int bits) 33348104Syokota{ 33448104Syokota struct vm86frame vmf; 33548104Syokota u_char *p; 33648104Syokota int err; 33748104Syokota int i; 33848104Syokota 33948104Syokota bzero(&vmf, sizeof(vmf)); 34048104Syokota vmf.vmf_eax = 0x4f09; 34148104Syokota vmf.vmf_ebx = 1; /* get primary palette data */ 34248104Syokota vmf.vmf_ecx = colors; 34348104Syokota vmf.vmf_edx = start; 34448104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 34548104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 34648104Syokota 34748104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 34850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 34948104Syokota return 1; 35048104Syokota 35148104Syokota bits = 8 - bits; 35248104Syokota for (i = 0; i < colors; ++i) { 35348104Syokota r[i] = p[i*4 + 2] << bits; 35448104Syokota g[i] = p[i*4 + 1] << bits; 35548104Syokota b[i] = p[i*4] << bits; 35648104Syokota } 35748104Syokota return 0; 35848104Syokota} 35948104Syokota 36048104Syokotastatic int 36142729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 36239287Ssos{ 36339287Ssos struct vm86frame vmf; 36439287Ssos u_char *p; 36539287Ssos int err; 36639287Ssos int i; 36739287Ssos 36844846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 36942729Syokota bits = 8 - bits; 37039287Ssos for (i = 0; i < colors; ++i) { 37142729Syokota p[i*4] = palette[i*3 + 2] >> bits; 37242729Syokota p[i*4 + 1] = palette[i*3 + 1] >> bits; 37342729Syokota p[i*4 + 2] = palette[i*3] >> bits; 37442729Syokota p[i*4 + 3] = 0; 37539287Ssos } 37639287Ssos 37739287Ssos bzero(&vmf, sizeof(vmf)); 37839287Ssos vmf.vmf_eax = 0x4f09; 37939287Ssos vmf.vmf_ebx = 0; /* set primary palette data */ 38039287Ssos vmf.vmf_ecx = colors; 38139287Ssos vmf.vmf_edx = start; 38244866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 38344846Sjlemon 38444846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 38550445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 38639287Ssos} 38739287Ssos 38848399Speter#ifdef notyet 38939287Ssosstatic int 39048104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 39148104Syokota int bits) 39248104Syokota{ 39348104Syokota struct vm86frame vmf; 39448104Syokota u_char *p; 39548104Syokota int err; 39648104Syokota int i; 39748104Syokota 39848104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 39948104Syokota bits = 8 - bits; 40048104Syokota for (i = 0; i < colors; ++i) { 40148104Syokota p[i*4] = b[i] >> bits; 40248104Syokota p[i*4 + 1] = g[i] >> bits; 40348104Syokota p[i*4 + 2] = r[i] >> bits; 40448104Syokota p[i*4 + 3] = 0; 40548104Syokota } 40648104Syokota 40748104Syokota bzero(&vmf, sizeof(vmf)); 40848104Syokota vmf.vmf_eax = 0x4f09; 40948104Syokota vmf.vmf_ebx = 0; /* set primary palette data */ 41048104Syokota vmf.vmf_ecx = colors; 41148104Syokota vmf.vmf_edx = start; 41248104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 41348104Syokota 41448104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 41550445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 41648104Syokota} 41748399Speter#endif 41848104Syokota 41948104Syokotastatic int 42039287Ssosvesa_bios_state_buf_size(void) 42139287Ssos{ 42239287Ssos struct vm86frame vmf; 42339287Ssos int err; 42439287Ssos 42539287Ssos bzero(&vmf, sizeof(vmf)); 42639287Ssos vmf.vmf_eax = 0x4f04; 427142830Siedowse vmf.vmf_ecx = STATE_ALL; 42839287Ssos vmf.vmf_edx = STATE_SIZE; 42939287Ssos err = vm86_intcall(0x10, &vmf); 43050445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 43139287Ssos return 0; 43250445Syokota return vmf.vmf_bx*64; 43339287Ssos} 43439287Ssos 43539287Ssosstatic int 43639287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 43739287Ssos{ 43839287Ssos struct vm86frame vmf; 43944846Sjlemon u_char *buf; 44039287Ssos int err; 44139287Ssos 442142830Siedowse if (size > STATE_MAXSIZE) 443142830Siedowse return (1); 444142830Siedowse 44539287Ssos bzero(&vmf, sizeof(vmf)); 44639287Ssos vmf.vmf_eax = 0x4f04; 447142830Siedowse vmf.vmf_ecx = STATE_ALL; 44839287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 44944846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 450108284Sdavidxu vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_bx); 45144846Sjlemon bcopy(p, buf, size); 45244846Sjlemon 45344846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 454142830Siedowse bcopy(buf, p, size); 45550445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 45639287Ssos} 45739287Ssos 45843664Syokotastatic int 45943664Syokotavesa_bios_get_line_length(void) 46043664Syokota{ 46143664Syokota struct vm86frame vmf; 46243664Syokota int err; 46343664Syokota 46443664Syokota bzero(&vmf, sizeof(vmf)); 46543664Syokota vmf.vmf_eax = 0x4f06; 46643664Syokota vmf.vmf_ebx = 1; /* get scan line length */ 46743664Syokota err = vm86_intcall(0x10, &vmf); 46850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 46943664Syokota return -1; 47043664Syokota return vmf.vmf_bx; /* line length in bytes */ 47143664Syokota} 47243664Syokota 47348104Syokotastatic int 47450446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 47548104Syokota{ 47648104Syokota struct vm86frame vmf; 47748104Syokota int err; 47848104Syokota 47948104Syokota bzero(&vmf, sizeof(vmf)); 48048104Syokota vmf.vmf_eax = 0x4f06; 48148104Syokota vmf.vmf_ebx = 0; /* set scan line length in pixel */ 48248104Syokota vmf.vmf_ecx = pixel; 48348104Syokota err = vm86_intcall(0x10, &vmf); 48448104Syokota#if VESA_DEBUG > 1 48548104Syokota printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx); 48648104Syokota#endif 48750446Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 48850446Syokota return 1; 48950446Syokota if (bytes) 49050446Syokota *bytes = vmf.vmf_bx; 49150446Syokota if (lines) 49250446Syokota *lines = vmf.vmf_dx; 49350446Syokota return 0; 49448104Syokota} 49548104Syokota 49648399Speter#if 0 49748104Syokotastatic int 49848104Syokotavesa_bios_get_start(int *x, int *y) 49948104Syokota{ 50048104Syokota struct vm86frame vmf; 50148104Syokota int err; 50248104Syokota 50348104Syokota bzero(&vmf, sizeof(vmf)); 50448104Syokota vmf.vmf_eax = 0x4f07; 50548104Syokota vmf.vmf_ebx = 1; /* get display start */ 50648104Syokota err = vm86_intcall(0x10, &vmf); 50750445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 50848104Syokota return 1; 50948104Syokota *x = vmf.vmf_cx; 51048104Syokota *y = vmf.vmf_dx; 51148104Syokota return 0; 51248104Syokota} 51348399Speter#endif 51448104Syokota 51548104Syokotastatic int 51648104Syokotavesa_bios_set_start(int x, int y) 51748104Syokota{ 51848104Syokota struct vm86frame vmf; 51948104Syokota int err; 52048104Syokota 52148104Syokota bzero(&vmf, sizeof(vmf)); 52248104Syokota vmf.vmf_eax = 0x4f07; 52348104Syokota vmf.vmf_ebx = 0x80; /* set display start */ 52448104Syokota vmf.vmf_edx = y; 52548104Syokota vmf.vmf_ecx = x; 52648104Syokota err = vm86_intcall(0x10, &vmf); 52750445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 52848104Syokota} 52948104Syokota 53039591Syokota/* map a generic video mode to a known mode */ 53139287Ssosstatic int 53239591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 53339287Ssos{ 53439591Syokota static struct { 53539591Syokota int from; 53639591Syokota int to; 53739591Syokota } mode_map[] = { 53839591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 53939591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 54039591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 54139591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 54239591Syokota }; 54339591Syokota int i; 54439591Syokota 54539591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 54639591Syokota if (mode_map[i].from == mode) 54739591Syokota return mode_map[i].to; 54839591Syokota } 54939591Syokota return mode; 55039591Syokota} 55139591Syokota 55239591Syokotastatic int 55339591Syokotavesa_translate_flags(u_int16_t vflags) 55439591Syokota{ 55539287Ssos static struct { 55639287Ssos u_int16_t mask; 55739287Ssos int set; 55839287Ssos int reset; 55939287Ssos } ftable[] = { 56039287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 56139287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 56242235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 56339287Ssos }; 56439287Ssos int flags; 56539287Ssos int i; 56639287Ssos 56739287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 56839287Ssos flags |= (vflags & ftable[i].mask) ? 56939287Ssos ftable[i].set : ftable[i].reset; 57039287Ssos } 57139287Ssos return flags; 57239287Ssos} 57339287Ssos 57448104Syokotastatic int 57548104Syokotavesa_translate_mmodel(u_int8_t vmodel) 57648104Syokota{ 57748104Syokota static struct { 57848104Syokota u_int8_t vmodel; 57948104Syokota int mmodel; 58048104Syokota } mtable[] = { 58148104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 58248104Syokota { V_MMCGA, V_INFO_MM_CGA }, 58348104Syokota { V_MMHGC, V_INFO_MM_HGC }, 58448104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 58548104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 58648104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 58748104Syokota }; 58848104Syokota int i; 58948104Syokota 59048104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 59148104Syokota if (mtable[i].vmodel == vmodel) 59248104Syokota return mtable[i].mmodel; 59348104Syokota } 59448104Syokota return V_INFO_MM_OTHER; 59548104Syokota} 59648104Syokota 59739858Syokotastatic void 59839858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 59939858Syokota{ 60039858Syokota if (p == 0) 60139858Syokota return NULL; 60239858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 60339858Syokota return (void *)(buf + ((p & 0xffff) - off)); 60439858Syokota else { 60539858Syokota p = BIOS_SADDRTOLADDR(p); 60639858Syokota return (void *)BIOS_PADDRTOVADDR(p); 60739858Syokota } 60839858Syokota} 60939858Syokota 61039287Ssosstatic int 61139287Ssosvesa_bios_init(void) 61239287Ssos{ 61345196Syokota static u_char buf[512]; 61439287Ssos struct vm86frame vmf; 61539287Ssos struct vesa_mode vmode; 61648104Syokota video_info_t *p; 61745196Syokota u_char *vmbuf; 618117710Srobert int is_via_cle266; 61939287Ssos int modes; 62039287Ssos int err; 62139287Ssos int i; 62239287Ssos 62339287Ssos if (vesa_init_done) 62439287Ssos return 0; 62539287Ssos 62639287Ssos has_vesa_bios = FALSE; 62739287Ssos vesa_adp_info = NULL; 62848104Syokota vesa_vmode_max = 0; 62939287Ssos vesa_vmode[0].vi_mode = EOT; 63039287Ssos 63145196Syokota vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0); 63239287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 63345196Syokota bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 63439744Sache vmf.vmf_eax = 0x4f00; 63545196Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di); 63644846Sjlemon 63744846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 63850445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f) || bcmp("VESA", vmbuf, 4)) 63939287Ssos return 1; 64045196Syokota bcopy(vmbuf, buf, sizeof(buf)); 64139287Ssos vesa_adp_info = (struct vesa_info *)buf; 64242504Syokota if (bootverbose) { 64342504Syokota printf("VESA: information block\n"); 64439287Ssos dump_buffer(buf, 64); 64542504Syokota } 64639287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 64739287Ssos return 1; 64848104Syokota if (vesa_adp_info->v_version < 0x0102) { 64948104Syokota printf("VESA: VBE version %d.%d is not supported; " 65048104Syokota "version 1.2 or later is required.\n", 65148104Syokota ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 65248104Syokota + ((vesa_adp_info->v_version & 0x0f00) >> 8), 65348104Syokota ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 65448104Syokota + (vesa_adp_info->v_version & 0x000f)); 65548104Syokota return 1; 65648104Syokota } 65739287Ssos 65839858Syokota /* fix string ptrs */ 65939858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 66039858Syokota vmf.vmf_es, vmf.vmf_di, buf); 661117710Srobert is_via_cle266 = strcmp(vesa_oemstr, VESA_VIA_CLE266) == 0; 662117710Srobert 66339858Syokota if (vesa_adp_info->v_version >= 0x0200) { 66439858Syokota vesa_venderstr = 66539858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_venderstr, 66639858Syokota vmf.vmf_es, vmf.vmf_di, buf); 66739858Syokota vesa_prodstr = 66839858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_prodstr, 66939858Syokota vmf.vmf_es, vmf.vmf_di, buf); 67039858Syokota vesa_revstr = 67139858Syokota (char *)vesa_fix_ptr(vesa_adp_info->v_revstr, 67239858Syokota vmf.vmf_es, vmf.vmf_di, buf); 67339858Syokota } 67439858Syokota 67539287Ssos /* obtain video mode information */ 67639858Syokota vesa_vmodetab = (u_int16_t *)vesa_fix_ptr(vesa_adp_info->v_modetable, 67739858Syokota vmf.vmf_es, vmf.vmf_di, buf); 67839858Syokota if (vesa_vmodetab == NULL) 67939858Syokota return 1; 68039858Syokota for (i = 0, modes = 0; 68139858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 68239858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 68339287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 68439287Ssos continue; 68539287Ssos 68639287Ssos /* reject unsupported modes */ 68739287Ssos#if 0 68839287Ssos if ((vmode.v_modeattr & (V_MODESUPP | V_MODEOPTINFO 68939287Ssos | V_MODENONVGA)) 69039287Ssos != (V_MODESUPP | V_MODEOPTINFO)) 69139287Ssos continue; 69239287Ssos#else 69367816Sjhb if ((vmode.v_modeattr & V_MODEOPTINFO) == 0) { 69466710Sjhb#if VESA_DEBUG > 1 69566710Sjhb printf( 69666710Sjhb "Rejecting VESA %s mode: %d x %d x %d bpp attr = %x\n", 69766710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 69866710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp, 69966710Sjhb vmode.v_modeattr); 70066710Sjhb#endif 70139287Ssos continue; 70266710Sjhb } 70339287Ssos#endif 70439287Ssos 70548104Syokota /* expand the array if necessary */ 70648104Syokota if (modes >= vesa_vmode_max) { 70748104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 70848104Syokota p = malloc(sizeof(*vesa_vmode)*(vesa_vmode_max + 1), 709111119Simp M_DEVBUF, M_WAITOK); 71048104Syokota#if VESA_DEBUG > 1 71148104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 71250445Syokota modes, vesa_vmode_max); 71348104Syokota#endif 71448104Syokota if (modes > 0) { 71548104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 71648104Syokota free(vesa_vmode, M_DEVBUF); 71748104Syokota } 71848104Syokota vesa_vmode = p; 71948104Syokota } 72048104Syokota 72166710Sjhb#if VESA_DEBUG > 1 72266710Sjhb printf("Found VESA %s mode: %d x %d x %d bpp\n", 72366710Sjhb vmode.v_modeattr & V_MODEGRAPHICS ? "graphics" : "text", 72466710Sjhb vmode.v_width, vmode.v_height, vmode.v_bpp); 72566710Sjhb#endif 726117710Srobert if (is_via_cle266) { 727117710Srobert if ((vmode.v_width & 0xff00) >> 8 == vmode.v_height - 1) { 728117710Srobert vmode.v_width &= 0xff; 729117710Srobert vmode.v_waseg = 0xb8000 >> 4; 730117710Srobert } 731117710Srobert } 732117710Srobert 73339287Ssos /* copy some fields */ 73439287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 73539287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 73639287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 73739287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 73839287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 73939287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 74039287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 74139287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 74239287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 74339287Ssos /* XXX window B */ 74439858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 74539858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 74648104Syokota if (vmode.v_modeattr & V_MODELFB) 74748104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 74848104Syokota else 74948104Syokota vesa_vmode[modes].vi_buffer = 0; 75043664Syokota /* XXX */ 75148104Syokota vesa_vmode[modes].vi_buffer_size 75248104Syokota = vesa_adp_info->v_memsize*64*1024; 75348104Syokota#if 0 75443664Syokota if (vmode.v_offscreen > vmode.v_lfb) 75543664Syokota vesa_vmode[modes].vi_buffer_size 75648104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 75748104Syokota - vmode.v_lfb; 75843664Syokota else 75948104Syokota vesa_vmode[modes].vi_buffer_size 76048104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 76148104Syokota#endif 76248104Syokota vesa_vmode[modes].vi_mem_model 76348104Syokota = vesa_translate_mmodel(vmode.v_memmodel); 76448104Syokota vesa_vmode[modes].vi_pixel_fields[0] = 0; 76548104Syokota vesa_vmode[modes].vi_pixel_fields[1] = 0; 76648104Syokota vesa_vmode[modes].vi_pixel_fields[2] = 0; 76748104Syokota vesa_vmode[modes].vi_pixel_fields[3] = 0; 76848104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] = 0; 76948104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] = 0; 77048104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] = 0; 77148104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] = 0; 77248104Syokota if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED) { 77348104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 77448104Syokota } else if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) { 77548104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 77648104Syokota vesa_vmode[modes].vi_pixel_fields[0] 77748104Syokota = vmode.v_redfieldpos; 77848104Syokota vesa_vmode[modes].vi_pixel_fields[1] 77948104Syokota = vmode.v_greenfieldpos; 78048104Syokota vesa_vmode[modes].vi_pixel_fields[2] 78148104Syokota = vmode.v_bluefieldpos; 78248104Syokota vesa_vmode[modes].vi_pixel_fields[3] 78348104Syokota = vmode.v_resfieldpos; 78448104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] 78548104Syokota = vmode.v_redmasksize; 78648104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] 78748104Syokota = vmode.v_greenmasksize; 78848104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] 78948104Syokota = vmode.v_bluemasksize; 79048104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] 79148104Syokota = vmode.v_resmasksize; 79248104Syokota } else { 79348104Syokota vesa_vmode[modes].vi_pixel_size = 0; 79448104Syokota } 79548104Syokota 79639591Syokota vesa_vmode[modes].vi_flags 79739591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 79839287Ssos ++modes; 79939287Ssos } 80039287Ssos vesa_vmode[modes].vi_mode = EOT; 80139287Ssos if (bootverbose) 80239287Ssos printf("VESA: %d mode(s) found\n", modes); 80339287Ssos 80439858Syokota has_vesa_bios = (modes > 0); 805142830Siedowse if (!has_vesa_bios) 806142830Siedowse return (1); 807142830Siedowse 808142830Siedowse /* Get a second page to support STATE_MAXSIZE. */ 809142830Siedowse (void)vm86_addpage(&vesa_vmcontext, 2, 0); 810142830Siedowse return (0); 81139287Ssos} 81239287Ssos 81339287Ssosstatic void 81439591Syokotavesa_clear_modes(video_info_t *info, int color) 81539287Ssos{ 81639287Ssos while (info->vi_mode != EOT) { 81739287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 81839287Ssos info->vi_mode = NA; 81939287Ssos ++info; 82039287Ssos } 82139287Ssos} 82239287Ssos 82348104Syokotastatic vm_offset_t 82448104Syokotavesa_map_buffer(u_int paddr, size_t size) 82548104Syokota{ 82648104Syokota vm_offset_t vaddr; 82748104Syokota u_int off; 82848104Syokota 82948104Syokota off = paddr - trunc_page(paddr); 83048104Syokota vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off); 83148104Syokota#if VESA_DEBUG > 1 83248104Syokota printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n", 83348104Syokota paddr, vaddr, size, off); 83448104Syokota#endif 83548104Syokota return (vaddr + off); 83648104Syokota} 83748104Syokota 83848104Syokotastatic void 83948104Syokotavesa_unmap_buffer(vm_offset_t vaddr, size_t size) 84048104Syokota{ 84148104Syokota#if VESA_DEBUG > 1 84248104Syokota printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size); 84348104Syokota#endif 84448104Syokota kmem_free(kernel_map, vaddr, size); 84548104Syokota} 84648104Syokota 84742504Syokota/* entry points */ 84839287Ssos 84939287Ssosstatic int 85042504Syokotavesa_configure(int flags) 85139287Ssos{ 85242504Syokota video_adapter_t *adp; 85339287Ssos int adapters; 85442504Syokota int error; 85539287Ssos int i; 85639287Ssos 85742504Syokota if (vesa_init_done) 85842504Syokota return 0; 85942504Syokota if (flags & VIO_PROBE_ONLY) 86042504Syokota return 0; /* XXX */ 86142504Syokota 86242504Syokota /* 86342504Syokota * If the VESA module has already been loaded, abort loading 86442504Syokota * the module this time. 86542504Syokota */ 86642504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 86742504Syokota if (adp->va_flags & V_ADP_VESA) 86842504Syokota return ENXIO; 86942504Syokota if (adp->va_type == KD_VGA) 87042504Syokota break; 87139287Ssos } 87242504Syokota /* 87342504Syokota * The VGA adapter is not found. This is because either 87442504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 87542504Syokota * is not present. If 1) is the case, we shall defer 87642504Syokota * initialization for now and try again later. 87742504Syokota */ 87842504Syokota if (adp == NULL) { 87942504Syokota vga_sub_configure = vesa_configure; 88042504Syokota return ENODEV; 88142504Syokota } 88242504Syokota 88342504Syokota /* count number of registered adapters */ 88442504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 88542504Syokota ; 88642504Syokota adapters = i; 88742504Syokota 88842504Syokota /* call VESA BIOS */ 88942504Syokota vesa_adp = adp; 89042504Syokota if (vesa_bios_init()) { 89142504Syokota vesa_adp = NULL; 89242504Syokota return ENXIO; 89342504Syokota } 89442504Syokota vesa_adp->va_flags |= V_ADP_VESA; 89542504Syokota 89642504Syokota /* remove conflicting modes if we have more than one adapter */ 89742504Syokota if (adapters > 1) { 89842504Syokota vesa_clear_modes(vesa_vmode, 89942504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 90042504Syokota V_INFO_COLOR : 0); 90142504Syokota } 90242504Syokota 90342504Syokota if ((error = vesa_load_ioctl()) == 0) { 90442504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 90542504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 90642504Syokota vesa_init_done = TRUE; 90742504Syokota } else { 90842504Syokota vesa_adp = NULL; 90942504Syokota return error; 91042504Syokota } 91142504Syokota 91242504Syokota return 0; 91339287Ssos} 91439287Ssos 91548399Speter#if 0 91642504Syokotastatic int 91742504Syokotavesa_nop(void) 91839287Ssos{ 91942504Syokota return 0; 92039287Ssos} 92148399Speter#endif 92239287Ssos 92339287Ssosstatic int 92448104Syokotavesa_error(void) 92548104Syokota{ 92648104Syokota return 1; 92748104Syokota} 92848104Syokota 92948104Syokotastatic int 93042504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 93139287Ssos{ 93242504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 93342504Syokota} 93442504Syokota 93542504Syokotastatic int 93642504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 93742504Syokota{ 93842504Syokota return (*prevvidsw->init)(unit, adp, flags); 93942504Syokota} 94042504Syokota 94142504Syokotastatic int 94242504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 94342504Syokota{ 94439287Ssos int i; 94539287Ssos 94642504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 94739287Ssos return 0; 94839287Ssos 94942504Syokota if (adp != vesa_adp) 95039287Ssos return 1; 95139591Syokota 95239591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 95339591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 95439287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 95539287Ssos if (vesa_vmode[i].vi_mode == NA) 95639287Ssos continue; 95739287Ssos if (vesa_vmode[i].vi_mode == mode) { 95839287Ssos *info = vesa_vmode[i]; 95939287Ssos return 0; 96039287Ssos } 96139287Ssos } 96239287Ssos return 1; 96339287Ssos} 96439287Ssos 96539287Ssosstatic int 96642504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 96739287Ssos{ 96839287Ssos int i; 96939287Ssos 97054258Syokota if ((*prevvidsw->query_mode)(adp, info) == 0) 97154258Syokota return 0; 97242504Syokota if (adp != vesa_adp) 97354258Syokota return ENODEV; 97439287Ssos 97539287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 97639287Ssos if ((info->vi_width != 0) 97739287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 97839287Ssos continue; 97939287Ssos if ((info->vi_height != 0) 98039287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 98139287Ssos continue; 98239287Ssos if ((info->vi_cwidth != 0) 98339287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 98439287Ssos continue; 98539287Ssos if ((info->vi_cheight != 0) 98639287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 98739287Ssos continue; 98839287Ssos if ((info->vi_depth != 0) 98939287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 99039287Ssos continue; 99139287Ssos if ((info->vi_planes != 0) 99239287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 99339287Ssos continue; 99439287Ssos /* pixel format, memory model */ 99539287Ssos if ((info->vi_flags != 0) 99639287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 99739287Ssos continue; 99854258Syokota *info = vesa_vmode[i]; 99954258Syokota return 0; 100039287Ssos } 100154258Syokota return ENODEV; 100239287Ssos} 100339287Ssos 100439287Ssosstatic int 100542504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 100639287Ssos{ 100739287Ssos video_info_t info; 100848104Syokota int len; 100939287Ssos 101042504Syokota if (adp != vesa_adp) 101142504Syokota return (*prevvidsw->set_mode)(adp, mode); 101239287Ssos 101348104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 101448104Syokota adp->va_flags & V_ADP_COLOR, mode); 101542504Syokota#if VESA_DEBUG > 0 101639287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 101748104Syokota adp->va_mode, adp->va_mode, mode, mode); 101839287Ssos#endif 101939287Ssos /* 102039287Ssos * If the current mode is a VESA mode and the new mode is not, 102148104Syokota * restore the state of the adapter first by setting one of the 102248104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 102348104Syokota * are set to the state compatible with the standard VGA modes. 102448104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 102548104Syokota * the new mode correctly. 102639287Ssos */ 102748104Syokota if (VESA_MODE(adp->va_mode)) { 102842504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 102948104Syokota int10_set_mode(adp->va_initial_bios_mode); 103048104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 103148104Syokota vesa_unmap_buffer(adp->va_buffer, 103248104Syokota vesa_adp_info->v_memsize*64*1024); 103348104Syokota /* 103448104Syokota * Once (*prevvidsw->get_info)() succeeded, 103548104Syokota * (*prevvidsw->set_mode)() below won't fail... 103648104Syokota */ 103739287Ssos } 103839287Ssos } 103939287Ssos 104039287Ssos /* we may not need to handle this mode after all... */ 104142504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 104239287Ssos return 0; 104339287Ssos 104439287Ssos /* is the new mode supported? */ 104542504Syokota if (vesa_get_info(adp, mode, &info)) 104639287Ssos return 1; 104739287Ssos /* assert(VESA_MODE(mode)); */ 104839287Ssos 104942504Syokota#if VESA_DEBUG > 0 105039287Ssos printf("VESA: about to set a VESA mode...\n"); 105139287Ssos#endif 105248104Syokota /* don't use the linear frame buffer for text modes. XXX */ 105348104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 105448104Syokota info.vi_flags &= ~V_INFO_LINEAR; 105539287Ssos 105648104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 105739287Ssos return 1; 105839287Ssos 105948104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 106048104Syokota vesa_unmap_buffer(adp->va_buffer, 106148104Syokota vesa_adp_info->v_memsize*64*1024); 106248104Syokota 106342504Syokota#if VESA_DEBUG > 0 106439287Ssos printf("VESA: mode set!\n"); 106539287Ssos#endif 106639287Ssos vesa_adp->va_mode = mode; 106739287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 106839287Ssos vesa_adp->va_flags |= 106939287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 107039287Ssos vesa_adp->va_crtc_addr = 107142504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 107248104Syokota if (info.vi_flags & V_INFO_LINEAR) { 107348104Syokota#if VESA_DEBUG > 1 107448104Syokota printf("VESA: setting up LFB\n"); 107548104Syokota#endif 107648104Syokota vesa_adp->va_buffer = 107748104Syokota vesa_map_buffer(info.vi_buffer, 107848104Syokota vesa_adp_info->v_memsize*64*1024); 107948104Syokota vesa_adp->va_buffer_size = info.vi_buffer_size; 108048104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 108148104Syokota vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes; 108248104Syokota vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes; 108348104Syokota } else { 108439287Ssos vesa_adp->va_buffer = 0; 108539287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 108648104Syokota vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 108748104Syokota vesa_adp->va_window_size = info.vi_window_size; 108848104Syokota vesa_adp->va_window_gran = info.vi_window_gran; 108939287Ssos } 109048104Syokota vesa_adp->va_window_orig = 0; 109143664Syokota len = vesa_bios_get_line_length(); 109243674Syokota if (len > 0) { 109343674Syokota vesa_adp->va_line_width = len; 109443674Syokota } else if (info.vi_flags & V_INFO_GRAPHICS) { 109543674Syokota switch (info.vi_depth/info.vi_planes) { 109643674Syokota case 1: 109743674Syokota vesa_adp->va_line_width = info.vi_width/8; 109843674Syokota break; 109943674Syokota case 2: 110043674Syokota vesa_adp->va_line_width = info.vi_width/4; 110143674Syokota break; 110243674Syokota case 4: 110343674Syokota vesa_adp->va_line_width = info.vi_width/2; 110443674Syokota break; 110543674Syokota case 8: 110643674Syokota default: /* shouldn't happen */ 110743674Syokota vesa_adp->va_line_width = info.vi_width; 110843674Syokota break; 110943674Syokota } 111043674Syokota } else { 111143674Syokota vesa_adp->va_line_width = info.vi_width; 111243674Syokota } 111348104Syokota vesa_adp->va_disp_start.x = 0; 111448104Syokota vesa_adp->va_disp_start.y = 0; 111543664Syokota#if VESA_DEBUG > 0 111643664Syokota printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n", 111743674Syokota info.vi_width, len, vesa_adp->va_line_width); 111843664Syokota#endif 111943674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 112039287Ssos 112142504Syokota /* move hardware cursor out of the way */ 112243674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 112342504Syokota 112439287Ssos return 0; 112539287Ssos} 112639287Ssos 112739287Ssosstatic int 112842504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 112942504Syokota int ch, int count) 113039287Ssos{ 113142504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 113239287Ssos} 113339287Ssos 113439287Ssosstatic int 113542504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 113642504Syokota int ch, int count) 113739287Ssos{ 113842504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 113939287Ssos} 114039287Ssos 114139287Ssosstatic int 114242504Syokotavesa_show_font(video_adapter_t *adp, int page) 114339287Ssos{ 114442504Syokota return (*prevvidsw->show_font)(adp, page); 114539287Ssos} 114639287Ssos 114739287Ssosstatic int 114842504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 114939287Ssos{ 115042729Syokota int bits; 115142729Syokota int error; 115239287Ssos 115345117Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 115445117Syokota && VESA_MODE(adp->va_mode)) { 115545117Syokota bits = vesa_bios_get_dac(); 115642729Syokota error = vesa_bios_save_palette(0, 256, palette, bits); 115742729Syokota if (error == 0) 115842729Syokota return 0; 115945117Syokota if (bits != 6) 116045117Syokota return error; 116142729Syokota } 116242729Syokota 116342729Syokota return (*prevvidsw->save_palette)(adp, palette); 116439287Ssos} 116539287Ssos 116639287Ssosstatic int 116742504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 116839287Ssos{ 116945117Syokota#if notyet 117042729Syokota int bits; 117142729Syokota int error; 117239287Ssos 117342729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 117445117Syokota && VESA_MODE(adp->va_mode) && ((bits = vesa_bios_set_dac(8)) > 6)) { 117542729Syokota error = vesa_bios_load_palette(0, 256, palette, bits); 117642729Syokota if (error == 0) 117742729Syokota return 0; 117845117Syokota if (vesa_bios_set_dac(6) != 6) 117945117Syokota return 1; 118042729Syokota } 118145117Syokota#endif /* notyet */ 118242729Syokota 118342729Syokota return (*prevvidsw->load_palette)(adp, palette); 118439287Ssos} 118539287Ssos 118639287Ssosstatic int 118742504Syokotavesa_set_border(video_adapter_t *adp, int color) 118839287Ssos{ 118942504Syokota return (*prevvidsw->set_border)(adp, color); 119039287Ssos} 119139287Ssos 119239287Ssosstatic int 119342504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 119439287Ssos{ 119542504Syokota if (adp != vesa_adp) 119642504Syokota return (*prevvidsw->save_state)(adp, p, size); 119739287Ssos 119839287Ssos if (vesa_state_buf_size == 0) 119939287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 120039287Ssos if (size == 0) 120139287Ssos return (sizeof(int) + vesa_state_buf_size); 120239287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 120339287Ssos return 1; 120439287Ssos 120539287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 120639287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 120739287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 120839287Ssos vesa_state_buf_size); 120939287Ssos} 121039287Ssos 121139287Ssosstatic int 121242504Syokotavesa_load_state(video_adapter_t *adp, void *p) 121339287Ssos{ 121442504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 121542504Syokota return (*prevvidsw->load_state)(adp, p); 121639287Ssos 121739287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 121839287Ssos vesa_state_buf_size); 121939287Ssos} 122039287Ssos 122148399Speter#if 0 122239287Ssosstatic int 122348104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 122448104Syokota{ 122548104Syokota struct vm86frame vmf; 122648104Syokota int err; 122748104Syokota 122848104Syokota bzero(&vmf, sizeof(vmf)); 122948104Syokota vmf.vmf_eax = 0x4f05; 123048104Syokota vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */ 123148104Syokota err = vm86_intcall(0x10, &vmf); 123250445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 123348104Syokota return 1; 123448104Syokota *offset = vmf.vmf_dx*adp->va_window_gran; 123548104Syokota return 0; 123648104Syokota} 123748399Speter#endif 123848104Syokota 123948104Syokotastatic int 124042504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 124139287Ssos{ 124239287Ssos struct vm86frame vmf; 124339287Ssos int err; 124439287Ssos 124539287Ssos /* 124639287Ssos * This function should return as quickly as possible to 124739287Ssos * maintain good performance of the system. For this reason, 124839287Ssos * error checking is kept minimal and let the VESA BIOS to 124939287Ssos * detect error. 125039287Ssos */ 125142504Syokota if (adp != vesa_adp) 125242504Syokota return (*prevvidsw->set_win_org)(adp, offset); 125339287Ssos 125448104Syokota /* if this is a linear frame buffer, do nothing */ 125548104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 125648104Syokota return 0; 125748104Syokota /* XXX */ 125848104Syokota if (adp->va_window_gran == 0) 125939287Ssos return 1; 126048104Syokota 126139287Ssos bzero(&vmf, sizeof(vmf)); 126239287Ssos vmf.vmf_eax = 0x4f05; 126339287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 126448104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 126539287Ssos err = vm86_intcall(0x10, &vmf); 126650445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 126743664Syokota return 1; 126843664Syokota bzero(&vmf, sizeof(vmf)); 126943664Syokota vmf.vmf_eax = 0x4f05; 127043664Syokota vmf.vmf_ebx = 1; /* WINDOW_B, XXX */ 127148104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 127243664Syokota err = vm86_intcall(0x10, &vmf); 127348104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 127443664Syokota return 0; /* XXX */ 127539287Ssos} 127639287Ssos 127739287Ssosstatic int 127842504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 127939287Ssos{ 128042504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 128139287Ssos} 128239287Ssos 128339287Ssosstatic int 128442504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 128539287Ssos{ 128642504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 128739287Ssos} 128839287Ssos 128939287Ssosstatic int 129042504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 129142504Syokota int celsize, int blink) 129239287Ssos{ 129342504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 129442504Syokota blink); 129542504Syokota} 129642504Syokota 129742504Syokotastatic int 129848104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 129942504Syokota{ 130048104Syokota /* XXX: use VESA DPMS */ 130148104Syokota return (*prevvidsw->blank_display)(adp, mode); 130242504Syokota} 130342504Syokota 130442504Syokotastatic int 1305113130Scognetvesa_mmap(video_adapter_t *adp, vm_offset_t offset, vm_paddr_t *paddr, 1306111462Smux int prot) 130742504Syokota{ 130848104Syokota#if VESA_DEBUG > 0 130948104Syokota printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n", 131048104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 131142504Syokota#endif 131239287Ssos 131348104Syokota if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) { 131448104Syokota /* va_window_size == va_buffer_size/vi_planes */ 131548104Syokota /* XXX: is this correct? */ 131648104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 131748104Syokota return -1; 1318111462Smux *paddr = adp->va_info.vi_buffer + offset; 1319111462Smux return 0; 132048104Syokota } else { 1321111462Smux return (*prevvidsw->mmap)(adp, offset, paddr, prot); 132248104Syokota } 132348104Syokota} 132448104Syokota 132548104Syokotastatic int 132648104Syokotavesa_clear(video_adapter_t *adp) 132748104Syokota{ 132848104Syokota return (*prevvidsw->clear)(adp); 132948104Syokota} 133048104Syokota 133148104Syokotastatic int 133248104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 133348104Syokota{ 133448104Syokota return (*prevvidsw->fill_rect)(adp, val, x, y, cx, cy); 133548104Syokota} 133648104Syokota 133748104Syokotastatic int 133848104Syokotavesa_bitblt(video_adapter_t *adp,...) 133948104Syokota{ 134048104Syokota /* FIXME */ 134148104Syokota return 1; 134248104Syokota} 134348104Syokota 134448104Syokotastatic int 134548104Syokotaget_palette(video_adapter_t *adp, int base, int count, 134648104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 134748104Syokota{ 134848104Syokota u_char *r; 134948104Syokota u_char *g; 135048104Syokota u_char *b; 135148104Syokota int bits; 135248104Syokota int error; 135348104Syokota 1354101557Srwatson if ((base < 0) || (base >= 256) || (count < 0) || (count > 256)) 135548104Syokota return 1; 1356101557Srwatson if ((base + count) > 256) 1357101557Srwatson return 1; 135848104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode)) 135948104Syokota return 1; 136048104Syokota 136148104Syokota bits = vesa_bios_get_dac(); 136248104Syokota if (bits <= 6) 136348104Syokota return 1; 136448104Syokota 1365111119Simp r = malloc(count*3, M_DEVBUF, M_WAITOK); 136648104Syokota g = r + count; 136748104Syokota b = g + count; 136848104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 136948104Syokota if (error == 0) { 137048104Syokota copyout(r, red, count); 137148104Syokota copyout(g, green, count); 137248104Syokota copyout(b, blue, count); 137348104Syokota if (trans != NULL) { 137448104Syokota bzero(r, count); 137548104Syokota copyout(r, trans, count); 137648104Syokota } 137748104Syokota } 137848104Syokota free(r, M_DEVBUF); 137948104Syokota 138048104Syokota /* if error && bits != 6 at this point, we are in in trouble... XXX */ 138148104Syokota return error; 138248104Syokota} 138348104Syokota 138448104Syokotastatic int 138548104Syokotaset_palette(video_adapter_t *adp, int base, int count, 138648104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 138748104Syokota{ 138848104Syokota return 1; 138948104Syokota#if notyet 139048104Syokota u_char *r; 139148104Syokota u_char *g; 139248104Syokota u_char *b; 139348104Syokota int bits; 139448104Syokota int error; 139548104Syokota 139648104Syokota if ((base < 0) || (base >= 256) || (base + count > 256)) 139748104Syokota return 1; 139848104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode) 139948104Syokota || ((bits = vesa_bios_set_dac(8)) <= 6)) 140048104Syokota return 1; 140148104Syokota 1402111119Simp r = malloc(count*3, M_DEVBUF, M_WAITOK); 140348104Syokota g = r + count; 140448104Syokota b = g + count; 140548104Syokota copyin(red, r, count); 140648104Syokota copyin(green, g, count); 140748104Syokota copyin(blue, b, count); 140848104Syokota 140948104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 141048104Syokota free(r, M_DEVBUF); 141148104Syokota if (error == 0) 141248104Syokota return 0; 141348104Syokota 141448104Syokota /* if the following call fails, we are in trouble... XXX */ 141548104Syokota vesa_bios_set_dac(6); 141648104Syokota return 1; 141748104Syokota#endif /* notyet */ 141848104Syokota} 141948104Syokota 142048104Syokotastatic int 142148104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 142248104Syokota{ 142350446Syokota int bytes; 142450446Syokota 142542504Syokota if (adp != vesa_adp) 142648104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 142748104Syokota 142848104Syokota switch (cmd) { 142948104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 143050792Syokota if (!VESA_MODE(adp->va_mode)) 143150792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 143248104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 143348104Syokota 143448104Syokota case FBIO_SETDISPSTART: /* set display start address */ 143550792Syokota if (!VESA_MODE(adp->va_mode)) 143650792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 143748104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 143848104Syokota ((video_display_start_t *)arg)->y)) 143948104Syokota return ENODEV; 144048104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 144148104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 144248104Syokota return 0; 144348104Syokota 144448104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 144550792Syokota if (!VESA_MODE(adp->va_mode)) 144650792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 144750446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 144848104Syokota return ENODEV; 144950446Syokota adp->va_line_width = bytes; 145050446Syokota#if VESA_DEBUG > 1 145150446Syokota printf("new line width:%d\n", adp->va_line_width); 145250446Syokota#endif 145348104Syokota return 0; 145448104Syokota 145548104Syokota case FBIO_GETPALETTE: /* get color palette */ 145648104Syokota if (get_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 146648104Syokota case FBIO_SETPALETTE: /* set color palette */ 146748104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 146848104Syokota ((video_color_palette_t *)arg)->count, 146948104Syokota ((video_color_palette_t *)arg)->red, 147048104Syokota ((video_color_palette_t *)arg)->green, 147148104Syokota ((video_color_palette_t *)arg)->blue, 147248104Syokota ((video_color_palette_t *)arg)->transparent)) 147348104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 147448104Syokota return 0; 147548104Syokota 147648104Syokota case FBIOGETCMAP: /* get color palette */ 147748104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 147848104Syokota ((struct fbcmap *)arg)->count, 147948104Syokota ((struct fbcmap *)arg)->red, 148048104Syokota ((struct fbcmap *)arg)->green, 148148104Syokota ((struct fbcmap *)arg)->blue, NULL)) 148248104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 148348104Syokota return 0; 148448104Syokota 148548104Syokota case FBIOPUTCMAP: /* set color palette */ 148648104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 148748104Syokota ((struct fbcmap *)arg)->count, 148848104Syokota ((struct fbcmap *)arg)->red, 148948104Syokota ((struct fbcmap *)arg)->green, 149048104Syokota ((struct fbcmap *)arg)->blue, NULL)) 149148104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 149248104Syokota return 0; 149348104Syokota 149448104Syokota default: 149548104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 149648104Syokota } 149748104Syokota} 149848104Syokota 149948104Syokotastatic int 150048104Syokotavesa_diag(video_adapter_t *adp, int level) 150148104Syokota{ 150248104Syokota int error; 150348104Syokota 150448104Syokota /* call the previous handler first */ 150548104Syokota error = (*prevvidsw->diag)(adp, level); 150648104Syokota if (error) 150748104Syokota return error; 150848104Syokota 150948104Syokota if (adp != vesa_adp) 151042504Syokota return 1; 151142504Syokota 151248104Syokota if (level <= 0) 151348104Syokota return 0; 151448104Syokota 151548104Syokota return 0; 151648104Syokota} 151748104Syokota 151848104Syokotastatic int 151948104Syokotavesa_bios_info(int level) 152048104Syokota{ 152148104Syokota#if VESA_DEBUG > 1 152248104Syokota struct vesa_mode vmode; 152348104Syokota int i; 152439591Syokota#endif 152539591Syokota 1526131398Sjhb if (bootverbose) { 1527131398Sjhb /* general adapter information */ 1528131398Sjhb printf( 1529131398Sjhb "VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 1530131398Sjhb ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 + 1531131398Sjhb ((vesa_adp_info->v_version & 0x0f00) >> 8), 1532131398Sjhb ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 + 1533131398Sjhb (vesa_adp_info->v_version & 0x000f), 1534131398Sjhb vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 1535131398Sjhb vesa_vmodetab, vesa_adp_info->v_modetable); 153639287Ssos 1537131398Sjhb /* OEM string */ 1538131398Sjhb if (vesa_oemstr != NULL) 1539131398Sjhb printf("VESA: %s\n", vesa_oemstr); 1540131398Sjhb } 1541131398Sjhb 154239287Ssos if (level <= 0) 154339287Ssos return 0; 154439287Ssos 1545131398Sjhb if (vesa_adp_info->v_version >= 0x0200 && bootverbose) { 154648104Syokota /* vender name, product name, product revision */ 154748104Syokota printf("VESA: %s %s %s\n", 154848104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 154948104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 155048104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 155139287Ssos } 155239287Ssos 155342504Syokota#if VESA_DEBUG > 1 155439287Ssos /* mode information */ 155539858Syokota for (i = 0; 155639858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 155739858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 155839287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 155939287Ssos continue; 156039287Ssos 156139287Ssos /* print something for diagnostic purpose */ 156239287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 156339287Ssos vesa_vmodetab[i], vmode.v_modeattr); 156439287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 156539287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 156639287Ssos printf(", G %dx%dx%d %d, ", 156739287Ssos vmode.v_width, vmode.v_height, 156839287Ssos vmode.v_bpp, vmode.v_planes); 156939287Ssos } else { 157039287Ssos printf(", T %dx%d, ", 157139287Ssos vmode.v_width, vmode.v_height); 157239287Ssos } 157348104Syokota printf("font:%dx%d, ", 157439287Ssos vmode.v_cwidth, vmode.v_cheight); 157548104Syokota printf("pages:%d, mem:%d", 157648104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 157739287Ssos } 157839287Ssos if (vmode.v_modeattr & V_MODELFB) { 157948104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 158048104Syokota vmode.v_lfb, vmode.v_offscreen, 158148104Syokota vmode.v_offscreensize*1024); 158239287Ssos } 158339287Ssos printf("\n"); 158439287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 158539287Ssos vmode.v_waseg, vmode.v_waattr, 158639287Ssos vmode.v_wbseg, vmode.v_wbattr); 158739287Ssos printf("size:%dk, gran:%dk\n", 158839287Ssos vmode.v_wsize, vmode.v_wgran); 158939287Ssos } 159048104Syokota#endif /* VESA_DEBUG > 1 */ 159139287Ssos 159239287Ssos return 0; 159339287Ssos} 159439287Ssos 159539287Ssos/* module loading */ 159639287Ssos 159742504Syokotastatic int 159839287Ssosvesa_load(void) 159939287Ssos{ 160039287Ssos int error; 160139287Ssos int s; 160239287Ssos 160339287Ssos if (vesa_init_done) 160439287Ssos return 0; 160539287Ssos 160642504Syokota /* locate a VGA adapter */ 160742504Syokota s = spltty(); 160839287Ssos vesa_adp = NULL; 160942504Syokota error = vesa_configure(0); 161042504Syokota splx(s); 161139287Ssos 161239287Ssos if (error == 0) 161348104Syokota vesa_bios_info(bootverbose); 161439287Ssos 161539287Ssos return error; 161639287Ssos} 161739287Ssos 161839287Ssosstatic int 161942179Syokotavesa_unload(void) 162039287Ssos{ 162145117Syokota u_char palette[256*3]; 162239287Ssos int error; 162345117Syokota int bits; 162439287Ssos int s; 162539287Ssos 162639287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 162739287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 162839287Ssos return EBUSY; 162939287Ssos /* 163039287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 163139287Ssos * we shouldn't be unloading! XXX 163239287Ssos */ 163339287Ssos 163439287Ssos s = spltty(); 163539287Ssos if ((error = vesa_unload_ioctl()) == 0) { 163644162Syokota if (vesa_adp != NULL) { 163745117Syokota if (vesa_adp_info->v_flags & V_DAC8) { 163845117Syokota bits = vesa_bios_get_dac(); 163945117Syokota if (bits > 6) { 164045117Syokota vesa_bios_save_palette(0, 256, 164145117Syokota palette, bits); 164245117Syokota vesa_bios_set_dac(6); 164345117Syokota vesa_bios_load_palette(0, 256, 164445117Syokota palette, 6); 164545117Syokota } 164645117Syokota } 164739287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 164844162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 164944162Syokota } 165039287Ssos } 165139287Ssos splx(s); 165239287Ssos 165339287Ssos return error; 165439287Ssos} 165539287Ssos 165642179Syokotastatic int 165742179Syokotavesa_mod_event(module_t mod, int type, void *data) 165839287Ssos{ 165942179Syokota switch (type) { 166042179Syokota case MOD_LOAD: 166142179Syokota return vesa_load(); 166242179Syokota case MOD_UNLOAD: 166342179Syokota return vesa_unload(); 166442179Syokota default: 1665132199Sphk return EOPNOTSUPP; 166642179Syokota } 166742179Syokota return 0; 166839287Ssos} 166939287Ssos 167042179Syokotastatic moduledata_t vesa_mod = { 167142179Syokota "vesa", 167242179Syokota vesa_mod_event, 167342179Syokota NULL, 167442179Syokota}; 167539287Ssos 167642504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 167742179Syokota 167856836Speter#endif /* VGA_NO_MODE_CHANGE */ 1679