1 /*- 2 * Copyright (c) 1999 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: src/sys/dev/fb/fbreg.h,v 1.6 1999/12/29 04:35:36 peter Exp $ 27 */ 28 29 #ifndef _DEV_FB_FBREG_H_ 30 #define _DEV_FB_FBREG_H_ 31 32 #ifdef _KERNEL 33 34 #define V_MAX_ADAPTERS 8 /* XXX */ 35 36 /* some macros */ 37 #define bcopy_io(s, d, c) bcopy((void *)(s), (void *)(d), (c)) 38 #define bcopy_toio(s, d, c) bcopy((void *)(s), (void *)(d), (c)) 39 #define bcopy_fromio(s, d, c) bcopy((void *)(s), (void *)(d), (c)) 40 #define bzero_io(d, c) bzero((void *)(d), (c)) 41 #define fill_io(p, d, c) fill((p), (void *)(d), (c)) 42 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c)) 43 44 /* video function table */ 45 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags); 46 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags); 47 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info); 48 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info); 49 typedef int vi_set_mode_t(video_adapter_t *adp, int mode); 50 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, 51 u_char *data, int c, int count); 52 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, 53 u_char *data, int c, int count); 54 typedef int vi_show_font_t(video_adapter_t *adp, int page); 55 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette); 56 typedef int vi_load_palette_t(video_adapter_t *adp, const u_char *palette); 57 typedef int vi_set_border_t(video_adapter_t *adp, int border); 58 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size); 59 typedef int vi_load_state_t(video_adapter_t *adp, void *p); 60 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset); 61 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row); 62 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row); 63 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base, 64 int height, int celsize, int blink); 65 typedef int vi_blank_display_t(video_adapter_t *adp, int mode); 66 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot); 67 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data); 68 typedef int vi_clear_t(video_adapter_t *adp); 69 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y, 70 int cx, int cy); 71 typedef int vi_bitblt_t(video_adapter_t *adp,...); 72 typedef int vi_diag_t(video_adapter_t *adp, int level); 73 74 typedef struct video_switch { 75 vi_probe_t *probe; 76 vi_init_t *init; 77 vi_get_info_t *get_info; 78 vi_query_mode_t *query_mode; 79 vi_set_mode_t *set_mode; 80 vi_save_font_t *save_font; 81 vi_load_font_t *load_font; 82 vi_show_font_t *show_font; 83 vi_save_palette_t *save_palette; 84 vi_load_palette_t *load_palette; 85 vi_set_border_t *set_border; 86 vi_save_state_t *save_state; 87 vi_load_state_t *load_state; 88 vi_set_win_org_t *set_win_org; 89 vi_read_hw_cursor_t *read_hw_cursor; 90 vi_set_hw_cursor_t *set_hw_cursor; 91 vi_set_hw_cursor_shape_t *set_hw_cursor_shape; 92 vi_blank_display_t *blank_display; 93 vi_mmap_t *mmap; 94 vi_ioctl_t *ioctl; 95 vi_clear_t *clear; 96 vi_fill_rect_t *fill_rect; 97 vi_bitblt_t *bitblt; 98 int (*reserved1)(void); 99 int (*reserved2)(void); 100 vi_diag_t *diag; 101 } video_switch_t; 102 103 #define save_palette(adp, pal) \ 104 do { \ 105 lwkt_gettoken(&vga_token); \ 106 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal)); \ 107 lwkt_reltoken(&vga_token); \ 108 } while (0) 109 110 #define load_palette(adp, pal) \ 111 do { \ 112 lwkt_gettoken(&vga_token); \ 113 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal)); \ 114 lwkt_reltoken(&vga_token); \ 115 } while (0) 116 117 #define get_mode_info(adp, mode, buf) \ 118 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf)) 119 120 #define set_video_mode(adp, mode) \ 121 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode)) 122 123 #if 0 /* XXX conflicts with syscons' set_border() */ 124 #define set_border(adp, border) \ 125 do { \ 126 lwkt_gettoken(&vga_token); \ 127 (*vidsw[(adp)->va_index]->set_border)((adp), (border)); \ 128 lwkt_reltoken(&vga_token); \ 129 } while (0) 130 #endif 131 132 #define set_origin(adp, o) \ 133 do { \ 134 lwkt_gettoken(&vga_token); \ 135 (*vidsw[(adp)->va_index]->set_win_org)(adp, o); \ 136 lwkt_reltoken(&vga_token); \ 137 } while (0) 138 139 /* XXX - add more macros */ 140 141 /* video driver */ 142 typedef struct video_driver { 143 char *name; 144 video_switch_t *vidsw; 145 int (*configure)(int); /* backdoor for the console driver */ 146 } video_driver_t; 147 148 #define VIDEO_DRIVER(name, sw, config) \ 149 static struct video_driver name##_driver = { \ 150 #name, &sw, config \ 151 }; \ 152 DATA_SET(videodriver_set, name##_driver) 153 154 /* global variables */ 155 extern struct video_switch **vidsw; 156 157 /* functions for the video card driver */ 158 int vid_register(video_adapter_t *adp); 159 int vid_unregister(video_adapter_t *adp); 160 video_switch_t *vid_get_switch(char *name); 161 void vid_init_struct(video_adapter_t *adp, char *name, int type, 162 int unit); 163 164 /* functions for the video card client */ 165 int vid_allocate(char *driver, int unit, void *id); 166 int vid_release(video_adapter_t *adp, void *id); 167 int vid_find_adapter(char *driver, int unit); 168 video_adapter_t *vid_get_adapter(int index); 169 170 /* a backdoor for the console driver to tickle the video driver XXX */ 171 int vid_configure(int flags); 172 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */ 173 174 #ifdef FB_INSTALL_CDEV 175 176 /* virtual frame buffer driver functions */ 177 int fb_attach(cdev_t dev, video_adapter_t *adp); 178 int fb_detach(cdev_t dev, video_adapter_t *adp); 179 180 /* generic frame buffer cdev driver functions */ 181 182 typedef struct genfb_softc { 183 int gfb_flags; /* flag/status bits */ 184 #define FB_OPEN (1 << 0) 185 } genfb_softc_t; 186 187 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, 188 int flag, int mode, struct ucred *cred); 189 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, 190 int flag, int mode); 191 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, 192 struct uio *uio, int flag); 193 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, 194 struct uio *uio, int flag); 195 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, 196 u_long cmd, caddr_t arg, int flag, 197 struct ucred *cred); 198 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, 199 vm_offset_t offset, int prot); 200 201 #endif /* FB_INSTALL_CDEV */ 202 203 /* generic low-level driver functions */ 204 205 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level); 206 void fb_dump_mode_info(char *driver, video_adapter_t *adp, 207 video_info_t *info, int level); 208 int fb_type(int adp_type); 209 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg); 210 211 #endif /* _KERNEL */ 212 213 #endif /* !_DEV_FB_FBREG_H_ */ 214