vesa.c revision 50792
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 * 2650477Speter * $FreeBSD: head/sys/i386/isa/vesa.c 50792 1999-09-02 08:08:49Z yokota $ 2739287Ssos */ 2839287Ssos 2942504Syokota#include "vga.h" 3042504Syokota#include "opt_vga.h" 3139287Ssos#include "opt_vesa.h" 3242504Syokota#include "opt_fb.h" 3339287Ssos 3442504Syokota#ifdef VGA_NO_MODE_CHANGE 3542504Syokota#undef VESA 3642504Syokota#endif 3739287Ssos 3847678Sjlemon#if (NVGA > 0 && defined(VESA)) || defined(KLD_MODULE) 3942504Syokota 4039287Ssos#include <sys/param.h> 4139287Ssos#include <sys/systm.h> 4239287Ssos#include <sys/kernel.h> 4342179Syokota#include <sys/module.h> 4439287Ssos#include <sys/malloc.h> 4548104Syokota#include <sys/fbio.h> 4648104Syokota 4739287Ssos#include <vm/vm.h> 4848104Syokota#include <vm/vm_extern.h> 4948104Syokota#include <vm/vm_kern.h> 5039287Ssos#include <vm/pmap.h> 5139287Ssos 5239287Ssos#include <machine/md_var.h> 5339287Ssos#include <machine/vm86.h> 5439287Ssos#include <machine/pc/bios.h> 5539287Ssos#include <machine/pc/vesa.h> 5639287Ssos 5742504Syokota#include <dev/fb/fbreg.h> 5842504Syokota#include <dev/fb/vgareg.h> 5939287Ssos 6042504Syokota#ifndef __i386__ 6142504Syokota#include <isa/isareg.h> 6242504Syokota#else 6342504Syokota#include <i386/isa/isa.h> 6442504Syokota#endif 6542504Syokota 6642504Syokota#ifndef VESA_DEBUG 6742611Syokota#define VESA_DEBUG 0 6842504Syokota#endif 6942504Syokota 7039287Ssos/* VESA video adapter state buffer stub */ 7139287Ssosstruct adp_state { 7239287Ssos int sig; 7339287Ssos#define V_STATE_SIG 0x61736576 7439287Ssos u_char regs[1]; 7539287Ssos}; 7639287Ssostypedef struct adp_state adp_state_t; 7739287Ssos 7839287Ssos/* VESA video adapter */ 7939287Ssosstatic video_adapter_t *vesa_adp = NULL; 8039287Ssosstatic int vesa_state_buf_size = 0; 8139287Ssos 8239287Ssos/* VESA functions */ 8348399Speter#if 0 8442504Syokotastatic int vesa_nop(void); 8548399Speter#endif 8648104Syokotastatic int vesa_error(void); 8742504Syokotastatic vi_probe_t vesa_probe; 8839287Ssosstatic vi_init_t vesa_init; 8939287Ssosstatic vi_get_info_t vesa_get_info; 9039287Ssosstatic vi_query_mode_t vesa_query_mode; 9139287Ssosstatic vi_set_mode_t vesa_set_mode; 9239287Ssosstatic vi_save_font_t vesa_save_font; 9339287Ssosstatic vi_load_font_t vesa_load_font; 9439287Ssosstatic vi_show_font_t vesa_show_font; 9539287Ssosstatic vi_save_palette_t vesa_save_palette; 9639287Ssosstatic vi_load_palette_t vesa_load_palette; 9739287Ssosstatic vi_set_border_t vesa_set_border; 9839287Ssosstatic vi_save_state_t vesa_save_state; 9939287Ssosstatic vi_load_state_t vesa_load_state; 10039287Ssosstatic vi_set_win_org_t vesa_set_origin; 10139287Ssosstatic vi_read_hw_cursor_t vesa_read_hw_cursor; 10239287Ssosstatic vi_set_hw_cursor_t vesa_set_hw_cursor; 10342504Syokotastatic vi_set_hw_cursor_shape_t vesa_set_hw_cursor_shape; 10448104Syokotastatic vi_blank_display_t vesa_blank_display; 10542504Syokotastatic vi_mmap_t vesa_mmap; 10648104Syokotastatic vi_ioctl_t vesa_ioctl; 10748104Syokotastatic vi_clear_t vesa_clear; 10848104Syokotastatic vi_fill_rect_t vesa_fill_rect; 10948104Syokotastatic vi_bitblt_t vesa_bitblt; 11039287Ssosstatic vi_diag_t vesa_diag; 11148104Syokotastatic int vesa_bios_info(int level); 11244846Sjlemonstatic struct vm86context vesa_vmcontext; 11339287Ssos 11442504Syokotastatic video_switch_t vesavidsw = { 11542504Syokota vesa_probe, 11642504Syokota vesa_init, 11742504Syokota vesa_get_info, 11842504Syokota vesa_query_mode, 11942504Syokota vesa_set_mode, 12042504Syokota vesa_save_font, 12142504Syokota vesa_load_font, 12242504Syokota vesa_show_font, 12342504Syokota vesa_save_palette, 12442504Syokota vesa_load_palette, 12542504Syokota vesa_set_border, 12642504Syokota vesa_save_state, 12742504Syokota vesa_load_state, 12842504Syokota vesa_set_origin, 12942504Syokota vesa_read_hw_cursor, 13042504Syokota vesa_set_hw_cursor, 13142504Syokota vesa_set_hw_cursor_shape, 13248104Syokota vesa_blank_display, 13342504Syokota vesa_mmap, 13448104Syokota vesa_ioctl, 13548104Syokota vesa_clear, 13648104Syokota vesa_fill_rect, 13748104Syokota vesa_bitblt, 13848104Syokota vesa_error, 13948104Syokota vesa_error, 14039287Ssos vesa_diag, 14139287Ssos}; 14239287Ssos 14342504Syokotastatic video_switch_t *prevvidsw; 14439287Ssos 14539287Ssos/* VESA BIOS video modes */ 14639287Ssos#define VESA_MAXMODES 64 14739287Ssos#define EOT (-1) 14839287Ssos#define NA (-2) 14939287Ssos 15048104Syokota#define MODE_TABLE_DELTA 8 15139287Ssos 15248104Syokotastatic int vesa_vmode_max = 0; 15348104Syokotastatic video_info_t vesa_vmode_empty = { EOT }; 15448104Syokotastatic video_info_t *vesa_vmode = &vesa_vmode_empty; 15548104Syokota 15639287Ssosstatic int vesa_init_done = FALSE; 15739287Ssosstatic int has_vesa_bios = FALSE; 15839287Ssosstatic struct vesa_info *vesa_adp_info = NULL; 15939287Ssosstatic u_int16_t *vesa_vmodetab = NULL; 16039858Syokotastatic char *vesa_oemstr = NULL; 16139858Syokotastatic char *vesa_venderstr = NULL; 16239858Syokotastatic char *vesa_prodstr = NULL; 16339858Syokotastatic char *vesa_revstr = NULL; 16439287Ssos 16539287Ssos/* local macros and functions */ 16639287Ssos#define BIOS_SADDRTOLADDR(p) ((((p) & 0xffff0000) >> 12) + ((p) & 0x0000ffff)) 16739287Ssos 16842504Syokotastatic int int10_set_mode(int mode); 16939287Ssosstatic int vesa_bios_get_mode(int mode, struct vesa_mode *vmode); 17039287Ssosstatic int vesa_bios_set_mode(int mode); 17145117Syokotastatic int vesa_bios_get_dac(void); 17239287Ssosstatic int vesa_bios_set_dac(int bits); 17342729Syokotastatic int vesa_bios_save_palette(int start, int colors, u_char *palette, 17442729Syokota int bits); 17548104Syokotastatic int vesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, 17648104Syokota u_char *b, int bits); 17742729Syokotastatic int vesa_bios_load_palette(int start, int colors, u_char *palette, 17842729Syokota int bits); 17948399Speter#ifdef notyet 18048104Syokotastatic int vesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, 18148104Syokota u_char *b, int bits); 18248399Speter#endif 18339287Ssos#define STATE_SIZE 0 18439287Ssos#define STATE_SAVE 1 18539287Ssos#define STATE_LOAD 2 18639287Ssos#define STATE_HW (1<<0) 18739287Ssos#define STATE_DATA (1<<1) 18839287Ssos#define STATE_DAC (1<<2) 18939287Ssos#define STATE_REG (1<<3) 19039287Ssos#define STATE_MOST (STATE_HW | STATE_DATA | STATE_REG) 19139287Ssos#define STATE_ALL (STATE_HW | STATE_DATA | STATE_DAC | STATE_REG) 19239287Ssosstatic int vesa_bios_state_buf_size(void); 19339287Ssosstatic int vesa_bios_save_restore(int code, void *p, size_t size); 19443664Syokotastatic int vesa_bios_get_line_length(void); 19550446Syokotastatic int vesa_bios_set_line_length(int pixel, int *bytes, int *lines); 19648399Speter#if 0 19748104Syokotastatic int vesa_bios_get_start(int *x, int *y); 19848399Speter#endif 19948104Syokotastatic int vesa_bios_set_start(int x, int y); 20039591Syokotastatic int vesa_map_gen_mode_num(int type, int color, int mode); 20139591Syokotastatic int vesa_translate_flags(u_int16_t vflags); 20248104Syokotastatic int vesa_translate_mmodel(u_int8_t vmodel); 20339858Syokotastatic void *vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, 20439858Syokota u_char *buf); 20539287Ssosstatic int vesa_bios_init(void); 20639591Syokotastatic void vesa_clear_modes(video_info_t *info, int color); 20748104Syokotastatic vm_offset_t vesa_map_buffer(u_int paddr, size_t size); 20848104Syokotastatic void vesa_unmap_buffer(vm_offset_t vaddr, size_t size); 20939287Ssos 21048399Speter#if 0 21148104Syokotastatic int vesa_get_origin(video_adapter_t *adp, off_t *offset); 21248399Speter#endif 21348104Syokota 21439287Ssosstatic void 21539287Ssosdump_buffer(u_char *buf, size_t len) 21639287Ssos{ 21739287Ssos int i; 21839287Ssos 21939287Ssos for(i = 0; i < len;) { 22039287Ssos printf("%02x ", buf[i]); 22139287Ssos if ((++i % 16) == 0) 22239287Ssos printf("\n"); 22339287Ssos } 22439287Ssos} 22539287Ssos 22642504Syokota/* INT 10 BIOS calls */ 22742504Syokotastatic int 22842504Syokotaint10_set_mode(int mode) 22942504Syokota{ 23042504Syokota struct vm86frame vmf; 23142504Syokota 23242504Syokota bzero(&vmf, sizeof(vmf)); 23342504Syokota vmf.vmf_eax = 0x0000 | mode; 23442504Syokota vm86_intcall(0x10, &vmf); 23542504Syokota return 0; 23642504Syokota} 23742504Syokota 23839287Ssos/* VESA BIOS calls */ 23939287Ssosstatic int 24039287Ssosvesa_bios_get_mode(int mode, struct vesa_mode *vmode) 24139287Ssos{ 24239287Ssos struct vm86frame vmf; 24344846Sjlemon u_char *buf; 24439287Ssos int err; 24539287Ssos 24639287Ssos bzero(&vmf, sizeof(vmf)); 24739287Ssos vmf.vmf_eax = 0x4f01; 24839287Ssos vmf.vmf_ecx = mode; 24944846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 25044866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_di); 25144846Sjlemon 25244846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 25350445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 25439287Ssos return 1; 25539287Ssos bcopy(buf, vmode, sizeof(*vmode)); 25639287Ssos return 0; 25739287Ssos} 25839287Ssos 25939287Ssosstatic int 26039287Ssosvesa_bios_set_mode(int mode) 26139287Ssos{ 26239287Ssos struct vm86frame vmf; 26339287Ssos int err; 26439287Ssos 26539287Ssos bzero(&vmf, sizeof(vmf)); 26639287Ssos vmf.vmf_eax = 0x4f02; 26739287Ssos vmf.vmf_ebx = mode; 26839287Ssos err = vm86_intcall(0x10, &vmf); 26950445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 27039287Ssos} 27139287Ssos 27239287Ssosstatic int 27345117Syokotavesa_bios_get_dac(void) 27445117Syokota{ 27545117Syokota struct vm86frame vmf; 27645117Syokota int err; 27745117Syokota 27845117Syokota bzero(&vmf, sizeof(vmf)); 27945117Syokota vmf.vmf_eax = 0x4f08; 28045117Syokota vmf.vmf_ebx = 1; /* get DAC width */ 28145117Syokota err = vm86_intcall(0x10, &vmf); 28250445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 28345117Syokota return 6; /* XXX */ 28445117Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 28545117Syokota} 28645117Syokota 28745117Syokotastatic int 28839287Ssosvesa_bios_set_dac(int bits) 28939287Ssos{ 29039287Ssos struct vm86frame vmf; 29139287Ssos int err; 29239287Ssos 29339287Ssos bzero(&vmf, sizeof(vmf)); 29439287Ssos vmf.vmf_eax = 0x4f08; 29539287Ssos vmf.vmf_ebx = (bits << 8); 29639287Ssos err = vm86_intcall(0x10, &vmf); 29750445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 29842729Syokota return 6; /* XXX */ 29942729Syokota return ((vmf.vmf_ebx >> 8) & 0x00ff); 30039287Ssos} 30139287Ssos 30239287Ssosstatic int 30342729Syokotavesa_bios_save_palette(int start, int colors, u_char *palette, int bits) 30439287Ssos{ 30539287Ssos struct vm86frame vmf; 30639287Ssos u_char *p; 30739287Ssos int err; 30839287Ssos int i; 30939287Ssos 31039287Ssos bzero(&vmf, sizeof(vmf)); 31139287Ssos vmf.vmf_eax = 0x4f09; 31239287Ssos vmf.vmf_ebx = 1; /* get primary palette data */ 31339287Ssos vmf.vmf_ecx = colors; 31439287Ssos vmf.vmf_edx = start; 31544846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 31644866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 31744846Sjlemon 31844846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 31950445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 32039287Ssos return 1; 32139287Ssos 32242729Syokota bits = 8 - bits; 32339287Ssos for (i = 0; i < colors; ++i) { 32442729Syokota palette[i*3] = p[i*4 + 2] << bits; 32542729Syokota palette[i*3 + 1] = p[i*4 + 1] << bits; 32642729Syokota palette[i*3 + 2] = p[i*4] << bits; 32739287Ssos } 32839287Ssos return 0; 32939287Ssos} 33039287Ssos 33139287Ssosstatic int 33248104Syokotavesa_bios_save_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 33348104Syokota int bits) 33448104Syokota{ 33548104Syokota struct vm86frame vmf; 33648104Syokota u_char *p; 33748104Syokota int err; 33848104Syokota int i; 33948104Syokota 34048104Syokota bzero(&vmf, sizeof(vmf)); 34148104Syokota vmf.vmf_eax = 0x4f09; 34248104Syokota vmf.vmf_ebx = 1; /* get primary palette data */ 34348104Syokota vmf.vmf_ecx = colors; 34448104Syokota vmf.vmf_edx = start; 34548104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 34648104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 34748104Syokota 34848104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 34950445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 35048104Syokota return 1; 35148104Syokota 35248104Syokota bits = 8 - bits; 35348104Syokota for (i = 0; i < colors; ++i) { 35448104Syokota r[i] = p[i*4 + 2] << bits; 35548104Syokota g[i] = p[i*4 + 1] << bits; 35648104Syokota b[i] = p[i*4] << bits; 35748104Syokota } 35848104Syokota return 0; 35948104Syokota} 36048104Syokota 36148104Syokotastatic int 36242729Syokotavesa_bios_load_palette(int start, int colors, u_char *palette, int bits) 36339287Ssos{ 36439287Ssos struct vm86frame vmf; 36539287Ssos u_char *p; 36639287Ssos int err; 36739287Ssos int i; 36839287Ssos 36944846Sjlemon p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 37042729Syokota bits = 8 - bits; 37139287Ssos for (i = 0; i < colors; ++i) { 37242729Syokota p[i*4] = palette[i*3 + 2] >> bits; 37342729Syokota p[i*4 + 1] = palette[i*3 + 1] >> bits; 37442729Syokota p[i*4 + 2] = palette[i*3] >> bits; 37542729Syokota p[i*4 + 3] = 0; 37639287Ssos } 37739287Ssos 37839287Ssos bzero(&vmf, sizeof(vmf)); 37939287Ssos vmf.vmf_eax = 0x4f09; 38039287Ssos vmf.vmf_ebx = 0; /* set primary palette data */ 38139287Ssos vmf.vmf_ecx = colors; 38239287Ssos vmf.vmf_edx = start; 38344866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 38444846Sjlemon 38544846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 38650445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 38739287Ssos} 38839287Ssos 38948399Speter#ifdef notyet 39039287Ssosstatic int 39148104Syokotavesa_bios_load_palette2(int start, int colors, u_char *r, u_char *g, u_char *b, 39248104Syokota int bits) 39348104Syokota{ 39448104Syokota struct vm86frame vmf; 39548104Syokota u_char *p; 39648104Syokota int err; 39748104Syokota int i; 39848104Syokota 39948104Syokota p = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 40048104Syokota bits = 8 - bits; 40148104Syokota for (i = 0; i < colors; ++i) { 40248104Syokota p[i*4] = b[i] >> bits; 40348104Syokota p[i*4 + 1] = g[i] >> bits; 40448104Syokota p[i*4 + 2] = r[i] >> bits; 40548104Syokota p[i*4 + 3] = 0; 40648104Syokota } 40748104Syokota 40848104Syokota bzero(&vmf, sizeof(vmf)); 40948104Syokota vmf.vmf_eax = 0x4f09; 41048104Syokota vmf.vmf_ebx = 0; /* set primary palette data */ 41148104Syokota vmf.vmf_ecx = colors; 41248104Syokota vmf.vmf_edx = start; 41348104Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)p, &vmf.vmf_es, &vmf.vmf_di); 41448104Syokota 41548104Syokota err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 41650445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 41748104Syokota} 41848399Speter#endif 41948104Syokota 42048104Syokotastatic int 42139287Ssosvesa_bios_state_buf_size(void) 42239287Ssos{ 42339287Ssos struct vm86frame vmf; 42439287Ssos int err; 42539287Ssos 42639287Ssos bzero(&vmf, sizeof(vmf)); 42739287Ssos vmf.vmf_eax = 0x4f04; 42839287Ssos vmf.vmf_ecx = STATE_MOST; 42939287Ssos vmf.vmf_edx = STATE_SIZE; 43039287Ssos err = vm86_intcall(0x10, &vmf); 43150445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 43239287Ssos return 0; 43350445Syokota return vmf.vmf_bx*64; 43439287Ssos} 43539287Ssos 43639287Ssosstatic int 43739287Ssosvesa_bios_save_restore(int code, void *p, size_t size) 43839287Ssos{ 43939287Ssos struct vm86frame vmf; 44044846Sjlemon u_char *buf; 44139287Ssos int err; 44239287Ssos 44339287Ssos bzero(&vmf, sizeof(vmf)); 44439287Ssos vmf.vmf_eax = 0x4f04; 44539287Ssos vmf.vmf_ecx = STATE_MOST; 44639287Ssos vmf.vmf_edx = code; /* STATE_SAVE/STATE_LOAD */ 44744846Sjlemon buf = (u_char *)vm86_getpage(&vesa_vmcontext, 1); 44844866Sjlemon vm86_getptr(&vesa_vmcontext, (vm_offset_t)buf, &vmf.vmf_es, &vmf.vmf_di); 44944846Sjlemon bcopy(p, buf, size); 45044846Sjlemon 45144846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 45250445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 45339287Ssos} 45439287Ssos 45543664Syokotastatic int 45643664Syokotavesa_bios_get_line_length(void) 45743664Syokota{ 45843664Syokota struct vm86frame vmf; 45943664Syokota int err; 46043664Syokota 46143664Syokota bzero(&vmf, sizeof(vmf)); 46243664Syokota vmf.vmf_eax = 0x4f06; 46343664Syokota vmf.vmf_ebx = 1; /* get scan line length */ 46443664Syokota err = vm86_intcall(0x10, &vmf); 46550445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 46643664Syokota return -1; 46743664Syokota return vmf.vmf_bx; /* line length in bytes */ 46843664Syokota} 46943664Syokota 47048104Syokotastatic int 47150446Syokotavesa_bios_set_line_length(int pixel, int *bytes, int *lines) 47248104Syokota{ 47348104Syokota struct vm86frame vmf; 47448104Syokota int err; 47548104Syokota 47648104Syokota bzero(&vmf, sizeof(vmf)); 47748104Syokota vmf.vmf_eax = 0x4f06; 47848104Syokota vmf.vmf_ebx = 0; /* set scan line length in pixel */ 47948104Syokota vmf.vmf_ecx = pixel; 48048104Syokota err = vm86_intcall(0x10, &vmf); 48148104Syokota#if VESA_DEBUG > 1 48248104Syokota printf("bx:%d, cx:%d, dx:%d\n", vmf.vmf_bx, vmf.vmf_cx, vmf.vmf_dx); 48348104Syokota#endif 48450446Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 48550446Syokota return 1; 48650446Syokota if (bytes) 48750446Syokota *bytes = vmf.vmf_bx; 48850446Syokota if (lines) 48950446Syokota *lines = vmf.vmf_dx; 49050446Syokota return 0; 49148104Syokota} 49248104Syokota 49348399Speter#if 0 49448104Syokotastatic int 49548104Syokotavesa_bios_get_start(int *x, int *y) 49648104Syokota{ 49748104Syokota struct vm86frame vmf; 49848104Syokota int err; 49948104Syokota 50048104Syokota bzero(&vmf, sizeof(vmf)); 50148104Syokota vmf.vmf_eax = 0x4f07; 50248104Syokota vmf.vmf_ebx = 1; /* get display start */ 50348104Syokota err = vm86_intcall(0x10, &vmf); 50450445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 50548104Syokota return 1; 50648104Syokota *x = vmf.vmf_cx; 50748104Syokota *y = vmf.vmf_dx; 50848104Syokota return 0; 50948104Syokota} 51048399Speter#endif 51148104Syokota 51248104Syokotastatic int 51348104Syokotavesa_bios_set_start(int x, int y) 51448104Syokota{ 51548104Syokota struct vm86frame vmf; 51648104Syokota int err; 51748104Syokota 51848104Syokota bzero(&vmf, sizeof(vmf)); 51948104Syokota vmf.vmf_eax = 0x4f07; 52048104Syokota vmf.vmf_ebx = 0x80; /* set display start */ 52148104Syokota vmf.vmf_edx = y; 52248104Syokota vmf.vmf_ecx = x; 52348104Syokota err = vm86_intcall(0x10, &vmf); 52450445Syokota return ((err != 0) || (vmf.vmf_ax != 0x4f)); 52548104Syokota} 52648104Syokota 52739591Syokota/* map a generic video mode to a known mode */ 52839287Ssosstatic int 52939591Syokotavesa_map_gen_mode_num(int type, int color, int mode) 53039287Ssos{ 53139591Syokota static struct { 53239591Syokota int from; 53339591Syokota int to; 53439591Syokota } mode_map[] = { 53539591Syokota { M_TEXT_132x25, M_VESA_C132x25 }, 53639591Syokota { M_TEXT_132x43, M_VESA_C132x43 }, 53739591Syokota { M_TEXT_132x50, M_VESA_C132x50 }, 53839591Syokota { M_TEXT_132x60, M_VESA_C132x60 }, 53939591Syokota }; 54039591Syokota int i; 54139591Syokota 54239591Syokota for (i = 0; i < sizeof(mode_map)/sizeof(mode_map[0]); ++i) { 54339591Syokota if (mode_map[i].from == mode) 54439591Syokota return mode_map[i].to; 54539591Syokota } 54639591Syokota return mode; 54739591Syokota} 54839591Syokota 54939591Syokotastatic int 55039591Syokotavesa_translate_flags(u_int16_t vflags) 55139591Syokota{ 55239287Ssos static struct { 55339287Ssos u_int16_t mask; 55439287Ssos int set; 55539287Ssos int reset; 55639287Ssos } ftable[] = { 55739287Ssos { V_MODECOLOR, V_INFO_COLOR, 0 }, 55839287Ssos { V_MODEGRAPHICS, V_INFO_GRAPHICS, 0 }, 55942235Sdes { V_MODELFB, V_INFO_LINEAR, 0 }, 56039287Ssos }; 56139287Ssos int flags; 56239287Ssos int i; 56339287Ssos 56439287Ssos for (flags = 0, i = 0; i < sizeof(ftable)/sizeof(ftable[0]); ++i) { 56539287Ssos flags |= (vflags & ftable[i].mask) ? 56639287Ssos ftable[i].set : ftable[i].reset; 56739287Ssos } 56839287Ssos return flags; 56939287Ssos} 57039287Ssos 57148104Syokotastatic int 57248104Syokotavesa_translate_mmodel(u_int8_t vmodel) 57348104Syokota{ 57448104Syokota static struct { 57548104Syokota u_int8_t vmodel; 57648104Syokota int mmodel; 57748104Syokota } mtable[] = { 57848104Syokota { V_MMTEXT, V_INFO_MM_TEXT }, 57948104Syokota { V_MMCGA, V_INFO_MM_CGA }, 58048104Syokota { V_MMHGC, V_INFO_MM_HGC }, 58148104Syokota { V_MMEGA, V_INFO_MM_PLANAR }, 58248104Syokota { V_MMPACKED, V_INFO_MM_PACKED }, 58348104Syokota { V_MMDIRCOLOR, V_INFO_MM_DIRECT }, 58448104Syokota }; 58548104Syokota int i; 58648104Syokota 58748104Syokota for (i = 0; mtable[i].mmodel >= 0; ++i) { 58848104Syokota if (mtable[i].vmodel == vmodel) 58948104Syokota return mtable[i].mmodel; 59048104Syokota } 59148104Syokota return V_INFO_MM_OTHER; 59248104Syokota} 59348104Syokota 59439858Syokotastatic void 59539858Syokota*vesa_fix_ptr(u_int32_t p, u_int16_t seg, u_int16_t off, u_char *buf) 59639858Syokota{ 59739858Syokota if (p == 0) 59839858Syokota return NULL; 59939858Syokota if (((p >> 16) == seg) && ((p & 0xffff) >= off)) 60039858Syokota return (void *)(buf + ((p & 0xffff) - off)); 60139858Syokota else { 60239858Syokota p = BIOS_SADDRTOLADDR(p); 60339858Syokota return (void *)BIOS_PADDRTOVADDR(p); 60439858Syokota } 60539858Syokota} 60639858Syokota 60739287Ssosstatic int 60839287Ssosvesa_bios_init(void) 60939287Ssos{ 61045196Syokota static u_char buf[512]; 61139287Ssos struct vm86frame vmf; 61239287Ssos struct vesa_mode vmode; 61348104Syokota video_info_t *p; 61445196Syokota u_char *vmbuf; 61539287Ssos int modes; 61639287Ssos int err; 61739287Ssos int i; 61839287Ssos 61939287Ssos if (vesa_init_done) 62039287Ssos return 0; 62139287Ssos 62239287Ssos has_vesa_bios = FALSE; 62339287Ssos vesa_adp_info = NULL; 62448104Syokota vesa_vmode_max = 0; 62539287Ssos vesa_vmode[0].vi_mode = EOT; 62639287Ssos 62745196Syokota vmbuf = (u_char *)vm86_addpage(&vesa_vmcontext, 1, 0); 62839287Ssos bzero(&vmf, sizeof(vmf)); /* paranoia */ 62945196Syokota bcopy("VBE2", vmbuf, 4); /* try for VBE2 data */ 63039744Sache vmf.vmf_eax = 0x4f00; 63145196Syokota vm86_getptr(&vesa_vmcontext, (vm_offset_t)vmbuf, &vmf.vmf_es, &vmf.vmf_di); 63244846Sjlemon 63344846Sjlemon err = vm86_datacall(0x10, &vmf, &vesa_vmcontext); 63450445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f) || bcmp("VESA", vmbuf, 4)) 63539287Ssos return 1; 63645196Syokota bcopy(vmbuf, buf, sizeof(buf)); 63739287Ssos vesa_adp_info = (struct vesa_info *)buf; 63842504Syokota if (bootverbose) { 63942504Syokota printf("VESA: information block\n"); 64039287Ssos dump_buffer(buf, 64); 64142504Syokota } 64239287Ssos if (vesa_adp_info->v_flags & V_NONVGA) 64339287Ssos return 1; 64448104Syokota if (vesa_adp_info->v_version < 0x0102) { 64548104Syokota printf("VESA: VBE version %d.%d is not supported; " 64648104Syokota "version 1.2 or later is required.\n", 64748104Syokota ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 64848104Syokota + ((vesa_adp_info->v_version & 0x0f00) >> 8), 64948104Syokota ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 65048104Syokota + (vesa_adp_info->v_version & 0x000f)); 65148104Syokota return 1; 65248104Syokota } 65339287Ssos 65439858Syokota /* fix string ptrs */ 65539858Syokota vesa_oemstr = (char *)vesa_fix_ptr(vesa_adp_info->v_oemstr, 65639858Syokota vmf.vmf_es, vmf.vmf_di, buf); 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 68739287Ssos if ((vmode.v_modeattr & (V_MODEOPTINFO | V_MODENONVGA)) 68839287Ssos != (V_MODEOPTINFO)) 68939287Ssos continue; 69039287Ssos#endif 69139287Ssos 69248104Syokota /* expand the array if necessary */ 69348104Syokota if (modes >= vesa_vmode_max) { 69448104Syokota vesa_vmode_max += MODE_TABLE_DELTA; 69548104Syokota p = malloc(sizeof(*vesa_vmode)*(vesa_vmode_max + 1), 69648104Syokota M_DEVBUF, M_WAITOK); 69748104Syokota#if VESA_DEBUG > 1 69848104Syokota printf("vesa_bios_init(): modes:%d, vesa_mode_max:%d\n", 69950445Syokota modes, vesa_vmode_max); 70048104Syokota#endif 70148104Syokota if (modes > 0) { 70248104Syokota bcopy(vesa_vmode, p, sizeof(*vesa_vmode)*modes); 70348104Syokota free(vesa_vmode, M_DEVBUF); 70448104Syokota } 70548104Syokota vesa_vmode = p; 70648104Syokota } 70748104Syokota 70839287Ssos /* copy some fields */ 70939287Ssos bzero(&vesa_vmode[modes], sizeof(vesa_vmode[modes])); 71039287Ssos vesa_vmode[modes].vi_mode = vesa_vmodetab[i]; 71139287Ssos vesa_vmode[modes].vi_width = vmode.v_width; 71239287Ssos vesa_vmode[modes].vi_height = vmode.v_height; 71339287Ssos vesa_vmode[modes].vi_depth = vmode.v_bpp; 71439287Ssos vesa_vmode[modes].vi_planes = vmode.v_planes; 71539287Ssos vesa_vmode[modes].vi_cwidth = vmode.v_cwidth; 71639287Ssos vesa_vmode[modes].vi_cheight = vmode.v_cheight; 71739287Ssos vesa_vmode[modes].vi_window = (u_int)vmode.v_waseg << 4; 71839287Ssos /* XXX window B */ 71939858Syokota vesa_vmode[modes].vi_window_size = vmode.v_wsize*1024; 72039858Syokota vesa_vmode[modes].vi_window_gran = vmode.v_wgran*1024; 72148104Syokota if (vmode.v_modeattr & V_MODELFB) 72248104Syokota vesa_vmode[modes].vi_buffer = vmode.v_lfb; 72348104Syokota else 72448104Syokota vesa_vmode[modes].vi_buffer = 0; 72543664Syokota /* XXX */ 72648104Syokota vesa_vmode[modes].vi_buffer_size 72748104Syokota = vesa_adp_info->v_memsize*64*1024; 72848104Syokota#if 0 72943664Syokota if (vmode.v_offscreen > vmode.v_lfb) 73043664Syokota vesa_vmode[modes].vi_buffer_size 73148104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 73248104Syokota - vmode.v_lfb; 73343664Syokota else 73448104Syokota vesa_vmode[modes].vi_buffer_size 73548104Syokota = vmode.v_offscreen + vmode.v_offscreensize*1024 73648104Syokota#endif 73748104Syokota vesa_vmode[modes].vi_mem_model 73848104Syokota = vesa_translate_mmodel(vmode.v_memmodel); 73948104Syokota vesa_vmode[modes].vi_pixel_fields[0] = 0; 74048104Syokota vesa_vmode[modes].vi_pixel_fields[1] = 0; 74148104Syokota vesa_vmode[modes].vi_pixel_fields[2] = 0; 74248104Syokota vesa_vmode[modes].vi_pixel_fields[3] = 0; 74348104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] = 0; 74448104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] = 0; 74548104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] = 0; 74648104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] = 0; 74748104Syokota if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_PACKED) { 74848104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 74948104Syokota } else if (vesa_vmode[modes].vi_mem_model == V_INFO_MM_DIRECT) { 75048104Syokota vesa_vmode[modes].vi_pixel_size = (vmode.v_bpp + 7)/8; 75148104Syokota vesa_vmode[modes].vi_pixel_fields[0] 75248104Syokota = vmode.v_redfieldpos; 75348104Syokota vesa_vmode[modes].vi_pixel_fields[1] 75448104Syokota = vmode.v_greenfieldpos; 75548104Syokota vesa_vmode[modes].vi_pixel_fields[2] 75648104Syokota = vmode.v_bluefieldpos; 75748104Syokota vesa_vmode[modes].vi_pixel_fields[3] 75848104Syokota = vmode.v_resfieldpos; 75948104Syokota vesa_vmode[modes].vi_pixel_fsizes[0] 76048104Syokota = vmode.v_redmasksize; 76148104Syokota vesa_vmode[modes].vi_pixel_fsizes[1] 76248104Syokota = vmode.v_greenmasksize; 76348104Syokota vesa_vmode[modes].vi_pixel_fsizes[2] 76448104Syokota = vmode.v_bluemasksize; 76548104Syokota vesa_vmode[modes].vi_pixel_fsizes[3] 76648104Syokota = vmode.v_resmasksize; 76748104Syokota } else { 76848104Syokota vesa_vmode[modes].vi_pixel_size = 0; 76948104Syokota } 77048104Syokota 77139591Syokota vesa_vmode[modes].vi_flags 77239591Syokota = vesa_translate_flags(vmode.v_modeattr) | V_INFO_VESA; 77339287Ssos ++modes; 77439287Ssos } 77539287Ssos vesa_vmode[modes].vi_mode = EOT; 77639287Ssos if (bootverbose) 77739287Ssos printf("VESA: %d mode(s) found\n", modes); 77839287Ssos 77939858Syokota has_vesa_bios = (modes > 0); 78039858Syokota return (has_vesa_bios ? 0 : 1); 78139287Ssos} 78239287Ssos 78339287Ssosstatic void 78439591Syokotavesa_clear_modes(video_info_t *info, int color) 78539287Ssos{ 78639287Ssos while (info->vi_mode != EOT) { 78739287Ssos if ((info->vi_flags & V_INFO_COLOR) != color) 78839287Ssos info->vi_mode = NA; 78939287Ssos ++info; 79039287Ssos } 79139287Ssos} 79239287Ssos 79348104Syokotastatic vm_offset_t 79448104Syokotavesa_map_buffer(u_int paddr, size_t size) 79548104Syokota{ 79648104Syokota vm_offset_t vaddr; 79748104Syokota u_int off; 79848104Syokota 79948104Syokota off = paddr - trunc_page(paddr); 80048104Syokota vaddr = (vm_offset_t)pmap_mapdev(paddr - off, size + off); 80148104Syokota#if VESA_DEBUG > 1 80248104Syokota printf("vesa_map_buffer: paddr:%x vaddr:%x size:%x off:%x\n", 80348104Syokota paddr, vaddr, size, off); 80448104Syokota#endif 80548104Syokota return (vaddr + off); 80648104Syokota} 80748104Syokota 80848104Syokotastatic void 80948104Syokotavesa_unmap_buffer(vm_offset_t vaddr, size_t size) 81048104Syokota{ 81148104Syokota#if VESA_DEBUG > 1 81248104Syokota printf("vesa_unmap_buffer: vaddr:%x size:%x\n", vaddr, size); 81348104Syokota#endif 81448104Syokota kmem_free(kernel_map, vaddr, size); 81548104Syokota} 81648104Syokota 81742504Syokota/* entry points */ 81839287Ssos 81939287Ssosstatic int 82042504Syokotavesa_configure(int flags) 82139287Ssos{ 82242504Syokota video_adapter_t *adp; 82339287Ssos int adapters; 82442504Syokota int error; 82539287Ssos int i; 82639287Ssos 82742504Syokota if (vesa_init_done) 82842504Syokota return 0; 82942504Syokota if (flags & VIO_PROBE_ONLY) 83042504Syokota return 0; /* XXX */ 83142504Syokota 83242504Syokota /* 83342504Syokota * If the VESA module has already been loaded, abort loading 83442504Syokota * the module this time. 83542504Syokota */ 83642504Syokota for (i = 0; (adp = vid_get_adapter(i)) != NULL; ++i) { 83742504Syokota if (adp->va_flags & V_ADP_VESA) 83842504Syokota return ENXIO; 83942504Syokota if (adp->va_type == KD_VGA) 84042504Syokota break; 84139287Ssos } 84242504Syokota /* 84342504Syokota * The VGA adapter is not found. This is because either 84442504Syokota * 1) the VGA driver has not been initialized, or 2) the VGA card 84542504Syokota * is not present. If 1) is the case, we shall defer 84642504Syokota * initialization for now and try again later. 84742504Syokota */ 84842504Syokota if (adp == NULL) { 84942504Syokota vga_sub_configure = vesa_configure; 85042504Syokota return ENODEV; 85142504Syokota } 85242504Syokota 85342504Syokota /* count number of registered adapters */ 85442504Syokota for (++i; vid_get_adapter(i) != NULL; ++i) 85542504Syokota ; 85642504Syokota adapters = i; 85742504Syokota 85842504Syokota /* call VESA BIOS */ 85942504Syokota vesa_adp = adp; 86042504Syokota if (vesa_bios_init()) { 86142504Syokota vesa_adp = NULL; 86242504Syokota return ENXIO; 86342504Syokota } 86442504Syokota vesa_adp->va_flags |= V_ADP_VESA; 86542504Syokota 86642504Syokota /* remove conflicting modes if we have more than one adapter */ 86742504Syokota if (adapters > 1) { 86842504Syokota vesa_clear_modes(vesa_vmode, 86942504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? 87042504Syokota V_INFO_COLOR : 0); 87142504Syokota } 87242504Syokota 87342504Syokota if ((error = vesa_load_ioctl()) == 0) { 87442504Syokota prevvidsw = vidsw[vesa_adp->va_index]; 87542504Syokota vidsw[vesa_adp->va_index] = &vesavidsw; 87642504Syokota vesa_init_done = TRUE; 87742504Syokota } else { 87842504Syokota vesa_adp = NULL; 87942504Syokota return error; 88042504Syokota } 88142504Syokota 88242504Syokota return 0; 88339287Ssos} 88439287Ssos 88548399Speter#if 0 88642504Syokotastatic int 88742504Syokotavesa_nop(void) 88839287Ssos{ 88942504Syokota return 0; 89039287Ssos} 89148399Speter#endif 89239287Ssos 89339287Ssosstatic int 89448104Syokotavesa_error(void) 89548104Syokota{ 89648104Syokota return 1; 89748104Syokota} 89848104Syokota 89948104Syokotastatic int 90042504Syokotavesa_probe(int unit, video_adapter_t **adpp, void *arg, int flags) 90139287Ssos{ 90242504Syokota return (*prevvidsw->probe)(unit, adpp, arg, flags); 90342504Syokota} 90442504Syokota 90542504Syokotastatic int 90642504Syokotavesa_init(int unit, video_adapter_t *adp, int flags) 90742504Syokota{ 90842504Syokota return (*prevvidsw->init)(unit, adp, flags); 90942504Syokota} 91042504Syokota 91142504Syokotastatic int 91242504Syokotavesa_get_info(video_adapter_t *adp, int mode, video_info_t *info) 91342504Syokota{ 91439287Ssos int i; 91539287Ssos 91642504Syokota if ((*prevvidsw->get_info)(adp, mode, info) == 0) 91739287Ssos return 0; 91839287Ssos 91942504Syokota if (adp != vesa_adp) 92039287Ssos return 1; 92139591Syokota 92239591Syokota mode = vesa_map_gen_mode_num(vesa_adp->va_type, 92339591Syokota vesa_adp->va_flags & V_ADP_COLOR, mode); 92439287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 92539287Ssos if (vesa_vmode[i].vi_mode == NA) 92639287Ssos continue; 92739287Ssos if (vesa_vmode[i].vi_mode == mode) { 92839287Ssos *info = vesa_vmode[i]; 92939287Ssos return 0; 93039287Ssos } 93139287Ssos } 93239287Ssos return 1; 93339287Ssos} 93439287Ssos 93539287Ssosstatic int 93642504Syokotavesa_query_mode(video_adapter_t *adp, video_info_t *info) 93739287Ssos{ 93839287Ssos int i; 93939287Ssos 94042504Syokota if ((i = (*prevvidsw->query_mode)(adp, info)) != -1) 94139287Ssos return i; 94242504Syokota if (adp != vesa_adp) 94339287Ssos return -1; 94439287Ssos 94539287Ssos for (i = 0; vesa_vmode[i].vi_mode != EOT; ++i) { 94639287Ssos if ((info->vi_width != 0) 94739287Ssos && (info->vi_width != vesa_vmode[i].vi_width)) 94839287Ssos continue; 94939287Ssos if ((info->vi_height != 0) 95039287Ssos && (info->vi_height != vesa_vmode[i].vi_height)) 95139287Ssos continue; 95239287Ssos if ((info->vi_cwidth != 0) 95339287Ssos && (info->vi_cwidth != vesa_vmode[i].vi_cwidth)) 95439287Ssos continue; 95539287Ssos if ((info->vi_cheight != 0) 95639287Ssos && (info->vi_cheight != vesa_vmode[i].vi_cheight)) 95739287Ssos continue; 95839287Ssos if ((info->vi_depth != 0) 95939287Ssos && (info->vi_depth != vesa_vmode[i].vi_depth)) 96039287Ssos continue; 96139287Ssos if ((info->vi_planes != 0) 96239287Ssos && (info->vi_planes != vesa_vmode[i].vi_planes)) 96339287Ssos continue; 96439287Ssos /* pixel format, memory model */ 96539287Ssos if ((info->vi_flags != 0) 96639287Ssos && (info->vi_flags != vesa_vmode[i].vi_flags)) 96739287Ssos continue; 96839287Ssos return vesa_vmode[i].vi_mode; 96939287Ssos } 97039287Ssos return -1; 97139287Ssos} 97239287Ssos 97339287Ssosstatic int 97442504Syokotavesa_set_mode(video_adapter_t *adp, int mode) 97539287Ssos{ 97639287Ssos video_info_t info; 97748104Syokota int len; 97839287Ssos 97942504Syokota if (adp != vesa_adp) 98042504Syokota return (*prevvidsw->set_mode)(adp, mode); 98139287Ssos 98248104Syokota mode = vesa_map_gen_mode_num(adp->va_type, 98348104Syokota adp->va_flags & V_ADP_COLOR, mode); 98442504Syokota#if VESA_DEBUG > 0 98539287Ssos printf("VESA: set_mode(): %d(%x) -> %d(%x)\n", 98648104Syokota adp->va_mode, adp->va_mode, mode, mode); 98739287Ssos#endif 98839287Ssos /* 98939287Ssos * If the current mode is a VESA mode and the new mode is not, 99048104Syokota * restore the state of the adapter first by setting one of the 99148104Syokota * standard VGA mode, so that non-standard, extended SVGA registers 99248104Syokota * are set to the state compatible with the standard VGA modes. 99348104Syokota * Otherwise (*prevvidsw->set_mode)() may not be able to set up 99448104Syokota * the new mode correctly. 99539287Ssos */ 99648104Syokota if (VESA_MODE(adp->va_mode)) { 99742504Syokota if ((*prevvidsw->get_info)(adp, mode, &info) == 0) { 99848104Syokota int10_set_mode(adp->va_initial_bios_mode); 99948104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 100048104Syokota vesa_unmap_buffer(adp->va_buffer, 100148104Syokota vesa_adp_info->v_memsize*64*1024); 100248104Syokota /* 100348104Syokota * Once (*prevvidsw->get_info)() succeeded, 100448104Syokota * (*prevvidsw->set_mode)() below won't fail... 100548104Syokota */ 100639287Ssos } 100739287Ssos } 100839287Ssos 100939287Ssos /* we may not need to handle this mode after all... */ 101042504Syokota if ((*prevvidsw->set_mode)(adp, mode) == 0) 101139287Ssos return 0; 101239287Ssos 101339287Ssos /* is the new mode supported? */ 101442504Syokota if (vesa_get_info(adp, mode, &info)) 101539287Ssos return 1; 101639287Ssos /* assert(VESA_MODE(mode)); */ 101739287Ssos 101842504Syokota#if VESA_DEBUG > 0 101939287Ssos printf("VESA: about to set a VESA mode...\n"); 102039287Ssos#endif 102148104Syokota /* don't use the linear frame buffer for text modes. XXX */ 102248104Syokota if (!(info.vi_flags & V_INFO_GRAPHICS)) 102348104Syokota info.vi_flags &= ~V_INFO_LINEAR; 102439287Ssos 102548104Syokota if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0))) 102639287Ssos return 1; 102739287Ssos 102848104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 102948104Syokota vesa_unmap_buffer(adp->va_buffer, 103048104Syokota vesa_adp_info->v_memsize*64*1024); 103148104Syokota 103242504Syokota#if VESA_DEBUG > 0 103339287Ssos printf("VESA: mode set!\n"); 103439287Ssos#endif 103539287Ssos vesa_adp->va_mode = mode; 103639287Ssos vesa_adp->va_flags &= ~V_ADP_COLOR; 103739287Ssos vesa_adp->va_flags |= 103839287Ssos (info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0; 103939287Ssos vesa_adp->va_crtc_addr = 104042504Syokota (vesa_adp->va_flags & V_ADP_COLOR) ? COLOR_CRTC : MONO_CRTC; 104148104Syokota if (info.vi_flags & V_INFO_LINEAR) { 104248104Syokota#if VESA_DEBUG > 1 104348104Syokota printf("VESA: setting up LFB\n"); 104448104Syokota#endif 104548104Syokota vesa_adp->va_buffer = 104648104Syokota vesa_map_buffer(info.vi_buffer, 104748104Syokota vesa_adp_info->v_memsize*64*1024); 104848104Syokota vesa_adp->va_buffer_size = info.vi_buffer_size; 104948104Syokota vesa_adp->va_window = vesa_adp->va_buffer; 105048104Syokota vesa_adp->va_window_size = info.vi_buffer_size/info.vi_planes; 105148104Syokota vesa_adp->va_window_gran = info.vi_buffer_size/info.vi_planes; 105248104Syokota } else { 105339287Ssos vesa_adp->va_buffer = 0; 105439287Ssos vesa_adp->va_buffer_size = info.vi_buffer_size; 105548104Syokota vesa_adp->va_window = BIOS_PADDRTOVADDR(info.vi_window); 105648104Syokota vesa_adp->va_window_size = info.vi_window_size; 105748104Syokota vesa_adp->va_window_gran = info.vi_window_gran; 105839287Ssos } 105948104Syokota vesa_adp->va_window_orig = 0; 106043664Syokota len = vesa_bios_get_line_length(); 106143674Syokota if (len > 0) { 106243674Syokota vesa_adp->va_line_width = len; 106343674Syokota } else if (info.vi_flags & V_INFO_GRAPHICS) { 106443674Syokota switch (info.vi_depth/info.vi_planes) { 106543674Syokota case 1: 106643674Syokota vesa_adp->va_line_width = info.vi_width/8; 106743674Syokota break; 106843674Syokota case 2: 106943674Syokota vesa_adp->va_line_width = info.vi_width/4; 107043674Syokota break; 107143674Syokota case 4: 107243674Syokota vesa_adp->va_line_width = info.vi_width/2; 107343674Syokota break; 107443674Syokota case 8: 107543674Syokota default: /* shouldn't happen */ 107643674Syokota vesa_adp->va_line_width = info.vi_width; 107743674Syokota break; 107843674Syokota } 107943674Syokota } else { 108043674Syokota vesa_adp->va_line_width = info.vi_width; 108143674Syokota } 108248104Syokota vesa_adp->va_disp_start.x = 0; 108348104Syokota vesa_adp->va_disp_start.y = 0; 108443664Syokota#if VESA_DEBUG > 0 108543664Syokota printf("vesa_set_mode(): vi_width:%d, len:%d, line_width:%d\n", 108643674Syokota info.vi_width, len, vesa_adp->va_line_width); 108743664Syokota#endif 108843674Syokota bcopy(&info, &vesa_adp->va_info, sizeof(vesa_adp->va_info)); 108939287Ssos 109042504Syokota /* move hardware cursor out of the way */ 109143674Syokota (*vidsw[vesa_adp->va_index]->set_hw_cursor)(vesa_adp, -1, -1); 109242504Syokota 109339287Ssos return 0; 109439287Ssos} 109539287Ssos 109639287Ssosstatic int 109742504Syokotavesa_save_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 109842504Syokota int ch, int count) 109939287Ssos{ 110042504Syokota return (*prevvidsw->save_font)(adp, page, fontsize, data, ch, count); 110139287Ssos} 110239287Ssos 110339287Ssosstatic int 110442504Syokotavesa_load_font(video_adapter_t *adp, int page, int fontsize, u_char *data, 110542504Syokota int ch, int count) 110639287Ssos{ 110742504Syokota return (*prevvidsw->load_font)(adp, page, fontsize, data, ch, count); 110839287Ssos} 110939287Ssos 111039287Ssosstatic int 111142504Syokotavesa_show_font(video_adapter_t *adp, int page) 111239287Ssos{ 111342504Syokota return (*prevvidsw->show_font)(adp, page); 111439287Ssos} 111539287Ssos 111639287Ssosstatic int 111742504Syokotavesa_save_palette(video_adapter_t *adp, u_char *palette) 111839287Ssos{ 111942729Syokota int bits; 112042729Syokota int error; 112139287Ssos 112245117Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 112345117Syokota && VESA_MODE(adp->va_mode)) { 112445117Syokota bits = vesa_bios_get_dac(); 112542729Syokota error = vesa_bios_save_palette(0, 256, palette, bits); 112642729Syokota if (error == 0) 112742729Syokota return 0; 112845117Syokota if (bits != 6) 112945117Syokota return error; 113042729Syokota } 113142729Syokota 113242729Syokota return (*prevvidsw->save_palette)(adp, palette); 113339287Ssos} 113439287Ssos 113539287Ssosstatic int 113642504Syokotavesa_load_palette(video_adapter_t *adp, u_char *palette) 113739287Ssos{ 113845117Syokota#if notyet 113942729Syokota int bits; 114042729Syokota int error; 114139287Ssos 114242729Syokota if ((adp == vesa_adp) && (vesa_adp_info->v_flags & V_DAC8) 114345117Syokota && VESA_MODE(adp->va_mode) && ((bits = vesa_bios_set_dac(8)) > 6)) { 114442729Syokota error = vesa_bios_load_palette(0, 256, palette, bits); 114542729Syokota if (error == 0) 114642729Syokota return 0; 114745117Syokota if (vesa_bios_set_dac(6) != 6) 114845117Syokota return 1; 114942729Syokota } 115045117Syokota#endif /* notyet */ 115142729Syokota 115242729Syokota return (*prevvidsw->load_palette)(adp, palette); 115339287Ssos} 115439287Ssos 115539287Ssosstatic int 115642504Syokotavesa_set_border(video_adapter_t *adp, int color) 115739287Ssos{ 115842504Syokota return (*prevvidsw->set_border)(adp, color); 115939287Ssos} 116039287Ssos 116139287Ssosstatic int 116242504Syokotavesa_save_state(video_adapter_t *adp, void *p, size_t size) 116339287Ssos{ 116442504Syokota if (adp != vesa_adp) 116542504Syokota return (*prevvidsw->save_state)(adp, p, size); 116639287Ssos 116739287Ssos if (vesa_state_buf_size == 0) 116839287Ssos vesa_state_buf_size = vesa_bios_state_buf_size(); 116939287Ssos if (size == 0) 117039287Ssos return (sizeof(int) + vesa_state_buf_size); 117139287Ssos else if (size < (sizeof(int) + vesa_state_buf_size)) 117239287Ssos return 1; 117339287Ssos 117439287Ssos ((adp_state_t *)p)->sig = V_STATE_SIG; 117539287Ssos bzero(((adp_state_t *)p)->regs, vesa_state_buf_size); 117639287Ssos return vesa_bios_save_restore(STATE_SAVE, ((adp_state_t *)p)->regs, 117739287Ssos vesa_state_buf_size); 117839287Ssos} 117939287Ssos 118039287Ssosstatic int 118142504Syokotavesa_load_state(video_adapter_t *adp, void *p) 118239287Ssos{ 118342504Syokota if ((adp != vesa_adp) || (((adp_state_t *)p)->sig != V_STATE_SIG)) 118442504Syokota return (*prevvidsw->load_state)(adp, p); 118539287Ssos 118639287Ssos return vesa_bios_save_restore(STATE_LOAD, ((adp_state_t *)p)->regs, 118739287Ssos vesa_state_buf_size); 118839287Ssos} 118939287Ssos 119048399Speter#if 0 119139287Ssosstatic int 119248104Syokotavesa_get_origin(video_adapter_t *adp, off_t *offset) 119348104Syokota{ 119448104Syokota struct vm86frame vmf; 119548104Syokota int err; 119648104Syokota 119748104Syokota bzero(&vmf, sizeof(vmf)); 119848104Syokota vmf.vmf_eax = 0x4f05; 119948104Syokota vmf.vmf_ebx = 0x10; /* WINDOW_A, XXX */ 120048104Syokota err = vm86_intcall(0x10, &vmf); 120150445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 120248104Syokota return 1; 120348104Syokota *offset = vmf.vmf_dx*adp->va_window_gran; 120448104Syokota return 0; 120548104Syokota} 120648399Speter#endif 120748104Syokota 120848104Syokotastatic int 120942504Syokotavesa_set_origin(video_adapter_t *adp, off_t offset) 121039287Ssos{ 121139287Ssos struct vm86frame vmf; 121239287Ssos int err; 121339287Ssos 121439287Ssos /* 121539287Ssos * This function should return as quickly as possible to 121639287Ssos * maintain good performance of the system. For this reason, 121739287Ssos * error checking is kept minimal and let the VESA BIOS to 121839287Ssos * detect error. 121939287Ssos */ 122042504Syokota if (adp != vesa_adp) 122142504Syokota return (*prevvidsw->set_win_org)(adp, offset); 122239287Ssos 122348104Syokota /* if this is a linear frame buffer, do nothing */ 122448104Syokota if (adp->va_info.vi_flags & V_INFO_LINEAR) 122548104Syokota return 0; 122648104Syokota /* XXX */ 122748104Syokota if (adp->va_window_gran == 0) 122839287Ssos return 1; 122948104Syokota 123039287Ssos bzero(&vmf, sizeof(vmf)); 123139287Ssos vmf.vmf_eax = 0x4f05; 123239287Ssos vmf.vmf_ebx = 0; /* WINDOW_A, XXX */ 123348104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 123439287Ssos err = vm86_intcall(0x10, &vmf); 123550445Syokota if ((err != 0) || (vmf.vmf_ax != 0x4f)) 123643664Syokota return 1; 123743664Syokota bzero(&vmf, sizeof(vmf)); 123843664Syokota vmf.vmf_eax = 0x4f05; 123943664Syokota vmf.vmf_ebx = 1; /* WINDOW_B, XXX */ 124048104Syokota vmf.vmf_edx = offset/adp->va_window_gran; 124143664Syokota err = vm86_intcall(0x10, &vmf); 124248104Syokota adp->va_window_orig = (offset/adp->va_window_gran)*adp->va_window_gran; 124343664Syokota return 0; /* XXX */ 124439287Ssos} 124539287Ssos 124639287Ssosstatic int 124742504Syokotavesa_read_hw_cursor(video_adapter_t *adp, int *col, int *row) 124839287Ssos{ 124942504Syokota return (*prevvidsw->read_hw_cursor)(adp, col, row); 125039287Ssos} 125139287Ssos 125239287Ssosstatic int 125342504Syokotavesa_set_hw_cursor(video_adapter_t *adp, int col, int row) 125439287Ssos{ 125542504Syokota return (*prevvidsw->set_hw_cursor)(adp, col, row); 125639287Ssos} 125739287Ssos 125839287Ssosstatic int 125942504Syokotavesa_set_hw_cursor_shape(video_adapter_t *adp, int base, int height, 126042504Syokota int celsize, int blink) 126139287Ssos{ 126242504Syokota return (*prevvidsw->set_hw_cursor_shape)(adp, base, height, celsize, 126342504Syokota blink); 126442504Syokota} 126542504Syokota 126642504Syokotastatic int 126748104Syokotavesa_blank_display(video_adapter_t *adp, int mode) 126842504Syokota{ 126948104Syokota /* XXX: use VESA DPMS */ 127048104Syokota return (*prevvidsw->blank_display)(adp, mode); 127142504Syokota} 127242504Syokota 127342504Syokotastatic int 127448104Syokotavesa_mmap(video_adapter_t *adp, vm_offset_t offset, int prot) 127542504Syokota{ 127648104Syokota#if VESA_DEBUG > 0 127748104Syokota printf("vesa_mmap(): window:0x%x, buffer:0x%x, offset:0x%x\n", 127848104Syokota adp->va_info.vi_window, adp->va_info.vi_buffer, offset); 127942504Syokota#endif 128039287Ssos 128148104Syokota if ((adp == vesa_adp) && (adp->va_info.vi_flags & V_INFO_LINEAR)) { 128248104Syokota /* va_window_size == va_buffer_size/vi_planes */ 128348104Syokota /* XXX: is this correct? */ 128448104Syokota if (offset > adp->va_window_size - PAGE_SIZE) 128548104Syokota return -1; 128648104Syokota#ifdef __i386__ 128748104Syokota return i386_btop(adp->va_info.vi_buffer + offset); 128848104Syokota#endif 128948104Syokota#ifdef __alpha__ /* XXX */ 129048104Syokota return alpha_btop(adp->va_info.vi_buffer + offset); 129148104Syokota#endif 129248104Syokota } else { 129348104Syokota return (*prevvidsw->mmap)(adp, offset, prot); 129448104Syokota } 129548104Syokota} 129648104Syokota 129748104Syokotastatic int 129848104Syokotavesa_clear(video_adapter_t *adp) 129948104Syokota{ 130048104Syokota return (*prevvidsw->clear)(adp); 130148104Syokota} 130248104Syokota 130348104Syokotastatic int 130448104Syokotavesa_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy) 130548104Syokota{ 130648104Syokota return (*prevvidsw->fill_rect)(adp, val, x, y, cx, cy); 130748104Syokota} 130848104Syokota 130948104Syokotastatic int 131048104Syokotavesa_bitblt(video_adapter_t *adp,...) 131148104Syokota{ 131248104Syokota /* FIXME */ 131348104Syokota return 1; 131448104Syokota} 131548104Syokota 131648104Syokotastatic int 131748104Syokotaget_palette(video_adapter_t *adp, int base, int count, 131848104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 131948104Syokota{ 132048104Syokota u_char *r; 132148104Syokota u_char *g; 132248104Syokota u_char *b; 132348104Syokota int bits; 132448104Syokota int error; 132548104Syokota 132648104Syokota if ((base < 0) || (base >= 256) || (base + count > 256)) 132748104Syokota return 1; 132848104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode)) 132948104Syokota return 1; 133048104Syokota 133148104Syokota bits = vesa_bios_get_dac(); 133248104Syokota if (bits <= 6) 133348104Syokota return 1; 133448104Syokota 133548104Syokota r = malloc(count*3, M_DEVBUF, M_WAITOK); 133648104Syokota g = r + count; 133748104Syokota b = g + count; 133848104Syokota error = vesa_bios_save_palette2(base, count, r, g, b, bits); 133948104Syokota if (error == 0) { 134048104Syokota copyout(r, red, count); 134148104Syokota copyout(g, green, count); 134248104Syokota copyout(b, blue, count); 134348104Syokota if (trans != NULL) { 134448104Syokota bzero(r, count); 134548104Syokota copyout(r, trans, count); 134648104Syokota } 134748104Syokota } 134848104Syokota free(r, M_DEVBUF); 134948104Syokota 135048104Syokota /* if error && bits != 6 at this point, we are in in trouble... XXX */ 135148104Syokota return error; 135248104Syokota} 135348104Syokota 135448104Syokotastatic int 135548104Syokotaset_palette(video_adapter_t *adp, int base, int count, 135648104Syokota u_char *red, u_char *green, u_char *blue, u_char *trans) 135748104Syokota{ 135848104Syokota return 1; 135948104Syokota#if notyet 136048104Syokota u_char *r; 136148104Syokota u_char *g; 136248104Syokota u_char *b; 136348104Syokota int bits; 136448104Syokota int error; 136548104Syokota 136648104Syokota if ((base < 0) || (base >= 256) || (base + count > 256)) 136748104Syokota return 1; 136848104Syokota if (!(vesa_adp_info->v_flags & V_DAC8) || !VESA_MODE(adp->va_mode) 136948104Syokota || ((bits = vesa_bios_set_dac(8)) <= 6)) 137048104Syokota return 1; 137148104Syokota 137248104Syokota r = malloc(count*3, M_DEVBUF, M_WAITOK); 137348104Syokota g = r + count; 137448104Syokota b = g + count; 137548104Syokota copyin(red, r, count); 137648104Syokota copyin(green, g, count); 137748104Syokota copyin(blue, b, count); 137848104Syokota 137948104Syokota error = vesa_bios_load_palette2(base, count, r, g, b, bits); 138048104Syokota free(r, M_DEVBUF); 138148104Syokota if (error == 0) 138248104Syokota return 0; 138348104Syokota 138448104Syokota /* if the following call fails, we are in trouble... XXX */ 138548104Syokota vesa_bios_set_dac(6); 138648104Syokota return 1; 138748104Syokota#endif /* notyet */ 138848104Syokota} 138948104Syokota 139048104Syokotastatic int 139148104Syokotavesa_ioctl(video_adapter_t *adp, u_long cmd, caddr_t arg) 139248104Syokota{ 139350446Syokota int bytes; 139450446Syokota 139542504Syokota if (adp != vesa_adp) 139648104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 139748104Syokota 139848104Syokota switch (cmd) { 139948104Syokota case FBIO_SETWINORG: /* set frame buffer window origin */ 140050792Syokota if (!VESA_MODE(adp->va_mode)) 140150792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 140248104Syokota return (vesa_set_origin(adp, *(off_t *)arg) ? ENODEV : 0); 140348104Syokota 140448104Syokota case FBIO_SETDISPSTART: /* set display start address */ 140550792Syokota if (!VESA_MODE(adp->va_mode)) 140650792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 140748104Syokota if (vesa_bios_set_start(((video_display_start_t *)arg)->x, 140848104Syokota ((video_display_start_t *)arg)->y)) 140948104Syokota return ENODEV; 141048104Syokota adp->va_disp_start.x = ((video_display_start_t *)arg)->x; 141148104Syokota adp->va_disp_start.y = ((video_display_start_t *)arg)->y; 141248104Syokota return 0; 141348104Syokota 141448104Syokota case FBIO_SETLINEWIDTH: /* set line length in pixel */ 141550792Syokota if (!VESA_MODE(adp->va_mode)) 141650792Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 141750446Syokota if (vesa_bios_set_line_length(*(u_int *)arg, &bytes, NULL)) 141848104Syokota return ENODEV; 141950446Syokota adp->va_line_width = bytes; 142050446Syokota#if VESA_DEBUG > 1 142150446Syokota printf("new line width:%d\n", adp->va_line_width); 142250446Syokota#endif 142348104Syokota return 0; 142448104Syokota 142548104Syokota case FBIO_GETPALETTE: /* get color palette */ 142648104Syokota if (get_palette(adp, ((video_color_palette_t *)arg)->index, 142748104Syokota ((video_color_palette_t *)arg)->count, 142848104Syokota ((video_color_palette_t *)arg)->red, 142948104Syokota ((video_color_palette_t *)arg)->green, 143048104Syokota ((video_color_palette_t *)arg)->blue, 143148104Syokota ((video_color_palette_t *)arg)->transparent)) 143248104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 143348104Syokota return 0; 143448104Syokota 143548104Syokota 143648104Syokota case FBIO_SETPALETTE: /* set color palette */ 143748104Syokota if (set_palette(adp, ((video_color_palette_t *)arg)->index, 143848104Syokota ((video_color_palette_t *)arg)->count, 143948104Syokota ((video_color_palette_t *)arg)->red, 144048104Syokota ((video_color_palette_t *)arg)->green, 144148104Syokota ((video_color_palette_t *)arg)->blue, 144248104Syokota ((video_color_palette_t *)arg)->transparent)) 144348104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 144448104Syokota return 0; 144548104Syokota 144648104Syokota case FBIOGETCMAP: /* get color palette */ 144748104Syokota if (get_palette(adp, ((struct fbcmap *)arg)->index, 144848104Syokota ((struct fbcmap *)arg)->count, 144948104Syokota ((struct fbcmap *)arg)->red, 145048104Syokota ((struct fbcmap *)arg)->green, 145148104Syokota ((struct fbcmap *)arg)->blue, NULL)) 145248104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 145348104Syokota return 0; 145448104Syokota 145548104Syokota case FBIOPUTCMAP: /* set color palette */ 145648104Syokota if (set_palette(adp, ((struct fbcmap *)arg)->index, 145748104Syokota ((struct fbcmap *)arg)->count, 145848104Syokota ((struct fbcmap *)arg)->red, 145948104Syokota ((struct fbcmap *)arg)->green, 146048104Syokota ((struct fbcmap *)arg)->blue, NULL)) 146148104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 146248104Syokota return 0; 146348104Syokota 146448104Syokota default: 146548104Syokota return (*prevvidsw->ioctl)(adp, cmd, arg); 146648104Syokota } 146748104Syokota} 146848104Syokota 146948104Syokotastatic int 147048104Syokotavesa_diag(video_adapter_t *adp, int level) 147148104Syokota{ 147248104Syokota int error; 147348104Syokota 147448104Syokota /* call the previous handler first */ 147548104Syokota error = (*prevvidsw->diag)(adp, level); 147648104Syokota if (error) 147748104Syokota return error; 147848104Syokota 147948104Syokota if (adp != vesa_adp) 148042504Syokota return 1; 148142504Syokota 148248104Syokota if (level <= 0) 148348104Syokota return 0; 148448104Syokota 148548104Syokota return 0; 148648104Syokota} 148748104Syokota 148848104Syokotastatic int 148948104Syokotavesa_bios_info(int level) 149048104Syokota{ 149148104Syokota#if VESA_DEBUG > 1 149248104Syokota struct vesa_mode vmode; 149348104Syokota int i; 149439591Syokota#endif 149539591Syokota 149639287Ssos /* general adapter information */ 149739287Ssos printf("VESA: v%d.%d, %dk memory, flags:0x%x, mode table:%p (%x)\n", 149839287Ssos ((vesa_adp_info->v_version & 0xf000) >> 12) * 10 149939287Ssos + ((vesa_adp_info->v_version & 0x0f00) >> 8), 150039287Ssos ((vesa_adp_info->v_version & 0x00f0) >> 4) * 10 150139287Ssos + (vesa_adp_info->v_version & 0x000f), 150239287Ssos vesa_adp_info->v_memsize * 64, vesa_adp_info->v_flags, 150339287Ssos vesa_vmodetab, vesa_adp_info->v_modetable); 150439287Ssos /* OEM string */ 150539858Syokota if (vesa_oemstr != NULL) 150639858Syokota printf("VESA: %s\n", vesa_oemstr); 150739287Ssos 150839287Ssos if (level <= 0) 150939287Ssos return 0; 151039287Ssos 151139287Ssos if (vesa_adp_info->v_version >= 0x0200) { 151248104Syokota /* vender name, product name, product revision */ 151348104Syokota printf("VESA: %s %s %s\n", 151448104Syokota (vesa_venderstr != NULL) ? vesa_venderstr : "unknown", 151548104Syokota (vesa_prodstr != NULL) ? vesa_prodstr : "unknown", 151648104Syokota (vesa_revstr != NULL) ? vesa_revstr : "?"); 151739287Ssos } 151839287Ssos 151942504Syokota#if VESA_DEBUG > 1 152039287Ssos /* mode information */ 152139858Syokota for (i = 0; 152239858Syokota (i < (M_VESA_MODE_MAX - M_VESA_BASE + 1)) 152339858Syokota && (vesa_vmodetab[i] != 0xffff); ++i) { 152439287Ssos if (vesa_bios_get_mode(vesa_vmodetab[i], &vmode)) 152539287Ssos continue; 152639287Ssos 152739287Ssos /* print something for diagnostic purpose */ 152839287Ssos printf("VESA: mode:0x%03x, flags:0x%04x", 152939287Ssos vesa_vmodetab[i], vmode.v_modeattr); 153039287Ssos if (vmode.v_modeattr & V_MODEOPTINFO) { 153139287Ssos if (vmode.v_modeattr & V_MODEGRAPHICS) { 153239287Ssos printf(", G %dx%dx%d %d, ", 153339287Ssos vmode.v_width, vmode.v_height, 153439287Ssos vmode.v_bpp, vmode.v_planes); 153539287Ssos } else { 153639287Ssos printf(", T %dx%d, ", 153739287Ssos vmode.v_width, vmode.v_height); 153839287Ssos } 153948104Syokota printf("font:%dx%d, ", 154039287Ssos vmode.v_cwidth, vmode.v_cheight); 154148104Syokota printf("pages:%d, mem:%d", 154248104Syokota vmode.v_ipages + 1, vmode.v_memmodel); 154339287Ssos } 154439287Ssos if (vmode.v_modeattr & V_MODELFB) { 154548104Syokota printf("\nVESA: LFB:0x%x, off:0x%x, off_size:0x%x", 154648104Syokota vmode.v_lfb, vmode.v_offscreen, 154748104Syokota vmode.v_offscreensize*1024); 154839287Ssos } 154939287Ssos printf("\n"); 155039287Ssos printf("VESA: window A:0x%x (%x), window B:0x%x (%x), ", 155139287Ssos vmode.v_waseg, vmode.v_waattr, 155239287Ssos vmode.v_wbseg, vmode.v_wbattr); 155339287Ssos printf("size:%dk, gran:%dk\n", 155439287Ssos vmode.v_wsize, vmode.v_wgran); 155539287Ssos } 155648104Syokota#endif /* VESA_DEBUG > 1 */ 155739287Ssos 155839287Ssos return 0; 155939287Ssos} 156039287Ssos 156139287Ssos/* module loading */ 156239287Ssos 156342504Syokotastatic int 156439287Ssosvesa_load(void) 156539287Ssos{ 156639287Ssos int error; 156739287Ssos int s; 156839287Ssos 156939287Ssos if (vesa_init_done) 157039287Ssos return 0; 157139287Ssos 157242504Syokota /* locate a VGA adapter */ 157342504Syokota s = spltty(); 157439287Ssos vesa_adp = NULL; 157542504Syokota error = vesa_configure(0); 157642504Syokota splx(s); 157739287Ssos 157839287Ssos if (error == 0) 157948104Syokota vesa_bios_info(bootverbose); 158039287Ssos 158139287Ssos return error; 158239287Ssos} 158339287Ssos 158439287Ssosstatic int 158542179Syokotavesa_unload(void) 158639287Ssos{ 158745117Syokota u_char palette[256*3]; 158839287Ssos int error; 158945117Syokota int bits; 159039287Ssos int s; 159139287Ssos 159239287Ssos /* if the adapter is currently in a VESA mode, don't unload */ 159339287Ssos if ((vesa_adp != NULL) && VESA_MODE(vesa_adp->va_mode)) 159439287Ssos return EBUSY; 159539287Ssos /* 159639287Ssos * FIXME: if there is at least one vty which is in a VESA mode, 159739287Ssos * we shouldn't be unloading! XXX 159839287Ssos */ 159939287Ssos 160039287Ssos s = spltty(); 160139287Ssos if ((error = vesa_unload_ioctl()) == 0) { 160244162Syokota if (vesa_adp != NULL) { 160345117Syokota if (vesa_adp_info->v_flags & V_DAC8) { 160445117Syokota bits = vesa_bios_get_dac(); 160545117Syokota if (bits > 6) { 160645117Syokota vesa_bios_save_palette(0, 256, 160745117Syokota palette, bits); 160845117Syokota vesa_bios_set_dac(6); 160945117Syokota vesa_bios_load_palette(0, 256, 161045117Syokota palette, 6); 161145117Syokota } 161245117Syokota } 161339287Ssos vesa_adp->va_flags &= ~V_ADP_VESA; 161444162Syokota vidsw[vesa_adp->va_index] = prevvidsw; 161544162Syokota } 161639287Ssos } 161739287Ssos splx(s); 161839287Ssos 161939287Ssos return error; 162039287Ssos} 162139287Ssos 162242179Syokotastatic int 162342179Syokotavesa_mod_event(module_t mod, int type, void *data) 162439287Ssos{ 162542179Syokota switch (type) { 162642179Syokota case MOD_LOAD: 162742179Syokota return vesa_load(); 162842179Syokota case MOD_UNLOAD: 162942179Syokota return vesa_unload(); 163042179Syokota default: 163142179Syokota break; 163242179Syokota } 163342179Syokota return 0; 163439287Ssos} 163539287Ssos 163642179Syokotastatic moduledata_t vesa_mod = { 163742179Syokota "vesa", 163842179Syokota vesa_mod_event, 163942179Syokota NULL, 164042179Syokota}; 164139287Ssos 164242504SyokotaDECLARE_MODULE(vesa, vesa_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE); 164342179Syokota 164447678Sjlemon#endif /* (NVGA > 0 && VESA) || KLD_MODULE */ 1645