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 * $DragonFly: src/sys/dev/video/fb/fbreg.h,v 1.10 2007/08/15 19:31:11 swildner Exp $ 28 */ 29 30 #ifndef _DEV_FB_FBREG_H_ 31 #define _DEV_FB_FBREG_H_ 32 33 #ifdef _KERNEL 34 35 #define V_MAX_ADAPTERS 8 /* XXX */ 36 37 /* some macros */ 38 #if defined(__i386__) || defined(__x86_64__) 39 #define bcopy_io(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c)) 40 #define bcopy_toio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c)) 41 #define bcopy_fromio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c)) 42 #define bzero_io(d, c) bzero((void *)(d), (c)) 43 #define fill_io(p, d, c) fill((p), (void *)(d), (c)) 44 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c)) 45 void generic_bcopy(const void *s, void *d, size_t c); 46 #else /* !__i386__ */ 47 #define bcopy_io(s, d, c) memcpy_io((d), (s), (c)) 48 #define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c)) 49 #define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c)) 50 #define bzero_io(d, c) memset_io((d), 0, (c)) 51 #define fill_io(p, d, c) memset_io((d), (p), (c)) 52 #define fillw(p, d, c) memsetw((d), (p), (c)) 53 #define fillw_io(p, d, c) memsetw_io((d), (p), (c)) 54 #endif /* !__i386__ */ 55 56 /* video function table */ 57 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags); 58 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags); 59 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info); 60 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info); 61 typedef int vi_set_mode_t(video_adapter_t *adp, int mode); 62 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, 63 u_char *data, int c, int count); 64 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, 65 u_char *data, int c, int count); 66 typedef int vi_show_font_t(video_adapter_t *adp, int page); 67 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette); 68 typedef int vi_load_palette_t(video_adapter_t *adp, const u_char *palette); 69 typedef int vi_set_border_t(video_adapter_t *adp, int border); 70 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size); 71 typedef int vi_load_state_t(video_adapter_t *adp, void *p); 72 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset); 73 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row); 74 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row); 75 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base, 76 int height, int celsize, int blink); 77 typedef int vi_blank_display_t(video_adapter_t *adp, int mode); 78 #define V_DISPLAY_ON 0 79 #define V_DISPLAY_STAND_BY (1<<0) 80 #define V_DISPLAY_SUSPEND (1<<1) 81 #define V_DISPLAY_OFF (1<<2) 82 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot); 83 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data); 84 typedef int vi_clear_t(video_adapter_t *adp); 85 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y, 86 int cx, int cy); 87 typedef int vi_bitblt_t(video_adapter_t *adp,...); 88 typedef int vi_diag_t(video_adapter_t *adp, int level); 89 90 typedef struct video_switch { 91 vi_probe_t *probe; 92 vi_init_t *init; 93 vi_get_info_t *get_info; 94 vi_query_mode_t *query_mode; 95 vi_set_mode_t *set_mode; 96 vi_save_font_t *save_font; 97 vi_load_font_t *load_font; 98 vi_show_font_t *show_font; 99 vi_save_palette_t *save_palette; 100 vi_load_palette_t *load_palette; 101 vi_set_border_t *set_border; 102 vi_save_state_t *save_state; 103 vi_load_state_t *load_state; 104 vi_set_win_org_t *set_win_org; 105 vi_read_hw_cursor_t *read_hw_cursor; 106 vi_set_hw_cursor_t *set_hw_cursor; 107 vi_set_hw_cursor_shape_t *set_hw_cursor_shape; 108 vi_blank_display_t *blank_display; 109 vi_mmap_t *mmap; 110 vi_ioctl_t *ioctl; 111 vi_clear_t *clear; 112 vi_fill_rect_t *fill_rect; 113 vi_bitblt_t *bitblt; 114 int (*reserved1)(void); 115 int (*reserved2)(void); 116 vi_diag_t *diag; 117 } video_switch_t; 118 119 #define save_palette(adp, pal) \ 120 do { \ 121 lwkt_gettoken(&tty_token); \ 122 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal)); \ 123 lwkt_reltoken(&tty_token); \ 124 } while (0) 125 126 #define load_palette(adp, pal) \ 127 do { \ 128 lwkt_gettoken(&tty_token); \ 129 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal)); \ 130 lwkt_reltoken(&tty_token); \ 131 } while (0) 132 133 #define get_mode_info(adp, mode, buf) \ 134 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf)) 135 136 #define set_video_mode(adp, mode) \ 137 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode)) 138 139 #if 0 /* XXX conflicts with syscons' set_border() */ 140 #define set_border(adp, border) \ 141 do { \ 142 lwkt_gettoken(&tty_token); \ 143 (*vidsw[(adp)->va_index]->set_border)((adp), (border)); \ 144 lwkt_reltoken(&tty_token); \ 145 } while (0) 146 #endif 147 148 #define set_origin(adp, o) \ 149 do { \ 150 lwkt_gettoken(&tty_token); \ 151 (*vidsw[(adp)->va_index]->set_win_org)(adp, o); \ 152 lwkt_reltoken(&tty_token); \ 153 } while (0) 154 155 /* XXX - add more macros */ 156 157 /* video driver */ 158 typedef struct video_driver { 159 char *name; 160 video_switch_t *vidsw; 161 int (*configure)(int); /* backdoor for the console driver */ 162 } video_driver_t; 163 164 #define VIDEO_DRIVER(name, sw, config) \ 165 static struct video_driver name##_driver = { \ 166 #name, &sw, config \ 167 }; \ 168 DATA_SET(videodriver_set, name##_driver); 169 170 /* global variables */ 171 extern struct video_switch **vidsw; 172 173 /* functions for the video card driver */ 174 int vid_register(video_adapter_t *adp); 175 int vid_unregister(video_adapter_t *adp); 176 video_switch_t *vid_get_switch(char *name); 177 void vid_init_struct(video_adapter_t *adp, char *name, int type, 178 int unit); 179 180 /* functions for the video card client */ 181 int vid_allocate(char *driver, int unit, void *id); 182 int vid_release(video_adapter_t *adp, void *id); 183 int vid_find_adapter(char *driver, int unit); 184 video_adapter_t *vid_get_adapter(int index); 185 186 /* a backdoor for the console driver to tickle the video driver XXX */ 187 int vid_configure(int flags); 188 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */ 189 190 #ifdef FB_INSTALL_CDEV 191 192 /* virtual frame buffer driver functions */ 193 int fb_attach(cdev_t dev, video_adapter_t *adp); 194 int fb_detach(cdev_t dev, video_adapter_t *adp); 195 196 /* generic frame buffer cdev driver functions */ 197 198 typedef struct genfb_softc { 199 int gfb_flags; /* flag/status bits */ 200 #define FB_OPEN (1 << 0) 201 } genfb_softc_t; 202 203 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, 204 int flag, int mode, struct ucred *cred); 205 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, 206 int flag, int mode); 207 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, 208 struct uio *uio, int flag); 209 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, 210 struct uio *uio, int flag); 211 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, 212 u_long cmd, caddr_t arg, int flag, 213 struct ucred *cred); 214 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, 215 vm_offset_t offset, int prot); 216 217 #endif /* FB_INSTALL_CDEV */ 218 219 /* generic low-level driver functions */ 220 221 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level); 222 void fb_dump_mode_info(char *driver, video_adapter_t *adp, 223 video_info_t *info, int level); 224 int fb_type(int adp_type); 225 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg); 226 227 #endif /* _KERNEL */ 228 229 #endif /* !_DEV_FB_FBREG_H_ */ 230