1 /*- 2 * Copyright (c) 1998 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer as 10 * the first lines of this file unmodified. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include "sc.h" 30 #include "vga.h" 31 #include "opt_syscons.h" 32 #include "opt_vga.h" 33 #include "opt_vesa.h" 34 35 #ifdef VGA_NO_MODE_CHANGE 36 #undef VESA 37 #endif 38 39 #if (NSC > 0 && NVGA > 0 && defined(VESA)) || defined(KLD_MODULE) 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/conf.h> 44 #include <sys/tty.h> 45 #include <sys/kernel.h> 46 47 #include <machine/console.h> 48 #include <machine/pc/vesa.h> 49 50 #include <dev/fb/fbreg.h> 51 #include <dev/syscons/syscons.h> 52 53 static d_ioctl_t *prev_user_ioctl; 54 55 static int 56 vesa_ioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 57 { 58 scr_stat *scp; 59 struct tty *tp; 60 int mode; 61 62 tp = dev->si_tty; 63 if (!tp) 64 return ENXIO; 65 scp = SC_STAT(tp->t_dev); 66 67 switch (cmd) { 68 69 /* generic text modes */ 70 case SW_TEXT_132x25: case SW_TEXT_132x30: 71 case SW_TEXT_132x43: case SW_TEXT_132x50: 72 case SW_TEXT_132x60: 73 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE)) 74 return ENODEV; 75 return sc_set_text_mode(scp, tp, cmd & 0xff, 0, 0, 0); 76 77 /* text modes */ 78 case SW_VESA_C80x60: 79 case SW_VESA_C132x25: 80 case SW_VESA_C132x43: 81 case SW_VESA_C132x50: 82 case SW_VESA_C132x60: 83 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE)) 84 return ENODEV; 85 mode = (cmd & 0xff) + M_VESA_BASE; 86 return sc_set_text_mode(scp, tp, mode, 0, 0, 0); 87 88 /* graphics modes */ 89 case SW_VESA_32K_320: case SW_VESA_64K_320: 90 case SW_VESA_FULL_320: 91 92 case SW_VESA_CG640x400: 93 94 case SW_VESA_CG640x480: 95 case SW_VESA_32K_640: case SW_VESA_64K_640: 96 case SW_VESA_FULL_640: 97 98 case SW_VESA_800x600: case SW_VESA_CG800x600: 99 case SW_VESA_32K_800: case SW_VESA_64K_800: 100 case SW_VESA_FULL_800: 101 102 case SW_VESA_1024x768: case SW_VESA_CG1024x768: 103 case SW_VESA_32K_1024: case SW_VESA_64K_1024: 104 case SW_VESA_FULL_1024: 105 106 case SW_VESA_1280x1024: case SW_VESA_CG1280x1024: 107 case SW_VESA_32K_1280: case SW_VESA_64K_1280: 108 case SW_VESA_FULL_1280: 109 if (!(scp->sc->adp->va_flags & V_ADP_MODECHANGE)) 110 return ENODEV; 111 mode = (cmd & 0xff) + M_VESA_BASE; 112 return sc_set_graphics_mode(scp, tp, mode); 113 } 114 115 if (prev_user_ioctl) 116 return (*prev_user_ioctl)(dev, cmd, data, flag, p); 117 else 118 return ENOIOCTL; 119 } 120 121 int 122 vesa_load_ioctl(void) 123 { 124 if (prev_user_ioctl) 125 return EBUSY; 126 prev_user_ioctl = sc_user_ioctl; 127 sc_user_ioctl = vesa_ioctl; 128 return 0; 129 } 130 131 int 132 vesa_unload_ioctl(void) 133 { 134 if (sc_user_ioctl != vesa_ioctl) 135 return EBUSY; 136 sc_user_ioctl = prev_user_ioctl; 137 prev_user_ioctl = NULL; 138 return 0; 139 } 140 141 #endif /* (NSC > 0 && NVGA > 0 && VESA) || KLD_MODULE */ 142