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 * $FreeBSD$ 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 #ifdef __i386__ 38 #define bcopy_io(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c)) 39 #define bcopy_toio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c)) 40 #define bcopy_fromio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c)) 41 #define bzero_io(d, c) generic_bzero((void *)(d), (c)) 42 #define fill_io(p, d, c) fill((p), (void *)(d), (c)) 43 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c)) 44 void generic_bcopy(const void *s, void *d, size_t c); 45 void generic_bzero(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, 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 /* defined in sys/fbio.h 79 #define V_DISPLAY_ON 0 80 #define V_DISPLAY_BLANK 1 81 #define V_DISPLAY_STAND_BY 2 82 #define V_DISPLAY_SUSPEND 3 83 */ 84 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot); 85 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data); 86 typedef int vi_clear_t(video_adapter_t *adp); 87 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y, 88 int cx, int cy); 89 typedef int vi_bitblt_t(video_adapter_t *adp,...); 90 typedef int vi_diag_t(video_adapter_t *adp, int level); 91 92 typedef struct video_switch { 93 vi_probe_t *probe; 94 vi_init_t *init; 95 vi_get_info_t *get_info; 96 vi_query_mode_t *query_mode; 97 vi_set_mode_t *set_mode; 98 vi_save_font_t *save_font; 99 vi_load_font_t *load_font; 100 vi_show_font_t *show_font; 101 vi_save_palette_t *save_palette; 102 vi_load_palette_t *load_palette; 103 vi_set_border_t *set_border; 104 vi_save_state_t *save_state; 105 vi_load_state_t *load_state; 106 vi_set_win_org_t *set_win_org; 107 vi_read_hw_cursor_t *read_hw_cursor; 108 vi_set_hw_cursor_t *set_hw_cursor; 109 vi_set_hw_cursor_shape_t *set_hw_cursor_shape; 110 vi_blank_display_t *blank_display; 111 vi_mmap_t *mmap; 112 vi_ioctl_t *ioctl; 113 vi_clear_t *clear; 114 vi_fill_rect_t *fill_rect; 115 vi_bitblt_t *bitblt; 116 int (*reserved1)(void); 117 int (*reserved2)(void); 118 vi_diag_t *diag; 119 } video_switch_t; 120 121 #define save_palette(adp, pal) \ 122 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal)) 123 #define load_palette(adp, pal) \ 124 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal)) 125 #define get_mode_info(adp, mode, buf) \ 126 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf)) 127 #define set_video_mode(adp, mode) \ 128 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode)) 129 #define set_border(adp, border) \ 130 (*vidsw[(adp)->va_index]->set_border)((adp), (border)) 131 #define set_origin(adp, o) \ 132 (*vidsw[(adp)->va_index]->set_win_org)(adp, o) 133 134 /* XXX - add more macros */ 135 136 /* video driver */ 137 typedef struct video_driver { 138 char *name; 139 video_switch_t *vidsw; 140 int (*configure)(int); /* backdoor for the console driver */ 141 } video_driver_t; 142 143 #define VIDEO_DRIVER(name, sw, config) \ 144 static struct video_driver name##_driver = { \ 145 #name, &sw, config \ 146 }; \ 147 DATA_SET(videodriver_set, name##_driver); 148 149 /* global variables */ 150 extern struct video_switch **vidsw; 151 152 /* functions for the video card driver */ 153 int vid_register(video_adapter_t *adp); 154 int vid_unregister(video_adapter_t *adp); 155 video_switch_t *vid_get_switch(char *name); 156 void vid_init_struct(video_adapter_t *adp, char *name, int type, 157 int unit); 158 159 /* functions for the video card client */ 160 int vid_allocate(char *driver, int unit, void *id); 161 int vid_release(video_adapter_t *adp, void *id); 162 int vid_find_adapter(char *driver, int unit); 163 video_adapter_t *vid_get_adapter(int index); 164 165 /* a backdoor for the console driver to tickle the video driver XXX */ 166 int vid_configure(int flags); 167 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */ 168 169 #ifdef FB_INSTALL_CDEV 170 171 /* virtual frame buffer driver functions */ 172 int fb_attach(dev_t dev, video_adapter_t *adp, 173 struct cdevsw *cdevsw); 174 int fb_detach(dev_t dev, video_adapter_t *adp, 175 struct cdevsw *cdevsw); 176 177 /* generic frame buffer cdev driver functions */ 178 179 typedef struct genfb_softc { 180 int gfb_flags; /* flag/status bits */ 181 #define FB_OPEN (1 << 0) 182 } genfb_softc_t; 183 184 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, 185 int flag, int mode, struct thread *td); 186 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, 187 int flag, int mode, struct thread *td); 188 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, 189 struct uio *uio, int flag); 190 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, 191 struct uio *uio, int flag); 192 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, 193 u_long cmd, caddr_t arg, int flag, struct thread *td); 194 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, 195 vm_offset_t offset, int prot); 196 197 #endif /* FB_INSTALL_CDEV */ 198 199 /* generic low-level driver functions */ 200 201 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level); 202 void fb_dump_mode_info(char *driver, video_adapter_t *adp, 203 video_info_t *info, int level); 204 int fb_type(int adp_type); 205 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg); 206 207 #endif /* _KERNEL */ 208 209 #endif /* !_DEV_FB_FBREG_H_ */ 210