Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/fb/fbreg.h
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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 #elif defined(__amd64__) 47 #define bcopy_io(s, d, c) bcopy((void *)(s), (void *)(d), (c)) 48 #define bcopy_toio(s, d, c) bcopy((void *)(s), (void *)(d), (c)) 49 #define bcopy_fromio(s, d, c) bcopy((void *)(s), (void *)(d), (c)) 50 #define bzero_io(d, c) bzero((void *)(d), (c)) 51 #define fill_io(p, d, c) fill((p), (void *)(d), (c)) 52 #define fillw_io(p, d, c) fillw((p), (void *)(d), (c)) 53 #elif defined(__ia64__) || defined(__sparc64__) 54 #if defined(__ia64__) 55 #include <machine/bus.h> 56 #define bcopy_fromio(s, d, c) \ 57 bus_space_read_region_1(IA64_BUS_SPACE_MEM, s, 0, (void*)(d), c) 58 #define bcopy_io(s, d, c) \ 59 bus_space_copy_region_1(IA64_BUS_SPACE_MEM, s, 0, d, 0, c) 60 #define bcopy_toio(s, d, c) \ 61 bus_space_write_region_1(IA64_BUS_SPACE_MEM, d, 0, (void*)(s), c) 62 #define bzero_io(d, c) \ 63 bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, 0, c) 64 #define fill_io(p, d, c) \ 65 bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c) 66 #define fillw_io(p, d, c) \ 67 bus_space_set_region_2(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c) 68 #define readb(a) bus_space_read_1(IA64_BUS_SPACE_MEM, a, 0) 69 #define readw(a) bus_space_read_2(IA64_BUS_SPACE_MEM, a, 0) 70 #define writeb(a, v) bus_space_write_1(IA64_BUS_SPACE_MEM, a, 0, v) 71 #define writew(a, v) bus_space_write_2(IA64_BUS_SPACE_MEM, a, 0, v) 72 #define writel(a, v) bus_space_write_4(IA64_BUS_SPACE_MEM, a, 0, v) 73 #endif /* __ia64__ */ 74 static __inline void 75 fillw(int val, uint16_t *buf, size_t size) 76 { 77 while (size--) 78 *buf++ = val; 79 } 80 #elif defined(__powerpc__) 81 82 #define bcopy_io(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c)) 83 #define bcopy_toio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c)) 84 #define bcopy_fromio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c)) 85 #define bzero_io(d, c) ofwfb_bzero((void *)(d), (c)) 86 #define fillw(p, d, c) ofwfb_fillw((p), (void *)(d), (c)) 87 #define fillw_io(p, d, c) ofwfb_fillw((p), (void *)(d), (c)) 88 #define readw(a) ofwfb_readw((u_int16_t *)(a)) 89 #define writew(a, v) ofwfb_writew((u_int16_t *)(a), (v)) 90 void ofwfb_bcopy(const void *s, void *d, size_t c); 91 void ofwfb_bzero(void *d, size_t c); 92 void ofwfb_fillw(int pat, void *base, size_t cnt); 93 u_int16_t ofwfb_readw(u_int16_t *addr); 94 void ofwfb_writew(u_int16_t *addr, u_int16_t val); 95 96 #else /* !__i386__ && !__amd64__ && !__ia64__ && !__sparc64__ && !__powerpc__ */ 97 #define bcopy_io(s, d, c) memcpy_io((d), (s), (c)) 98 #define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c)) 99 #define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c)) 100 #define bzero_io(d, c) memset_io((d), 0, (c)) 101 #define fill_io(p, d, c) memset_io((d), (p), (c)) 102 #define fillw(p, d, c) memsetw((d), (p), (c)) 103 #define fillw_io(p, d, c) memsetw_io((d), (p), (c)) 104 #endif /* !__i386__ */ 105 106 /* video function table */ 107 typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags); 108 typedef int vi_init_t(int unit, video_adapter_t *adp, int flags); 109 typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info); 110 typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info); 111 typedef int vi_set_mode_t(video_adapter_t *adp, int mode); 112 typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width, 113 u_char *data, int c, int count); 114 typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width, 115 u_char *data, int c, int count); 116 typedef int vi_show_font_t(video_adapter_t *adp, int page); 117 typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette); 118 typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette); 119 typedef int vi_set_border_t(video_adapter_t *adp, int border); 120 typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size); 121 typedef int vi_load_state_t(video_adapter_t *adp, void *p); 122 typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset); 123 typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row); 124 typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row); 125 typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base, 126 int height, int celsize, int blink); 127 typedef int vi_blank_display_t(video_adapter_t *adp, int mode); 128 /* defined in sys/fbio.h 129 #define V_DISPLAY_ON 0 130 #define V_DISPLAY_BLANK 1 131 #define V_DISPLAY_STAND_BY 2 132 #define V_DISPLAY_SUSPEND 3 133 */ 134 typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, 135 vm_paddr_t *paddr, int prot); 136 typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data); 137 typedef int vi_clear_t(video_adapter_t *adp); 138 typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y, 139 int cx, int cy); 140 typedef int vi_bitblt_t(video_adapter_t *adp, ...); 141 typedef int vi_diag_t(video_adapter_t *adp, int level); 142 typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette); 143 typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette); 144 typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, 145 int n); 146 typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p, 147 u_int32_t a, int size, int bpp, int bit_ltor, 148 int byte_ltor); 149 typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c, 150 u_int8_t a); 151 typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, 152 int len); 153 typedef int vi_putm_t(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image, 154 u_int32_t pixel_mask, int size, int width); 155 156 typedef struct video_switch { 157 vi_probe_t *probe; 158 vi_init_t *init; 159 vi_get_info_t *get_info; 160 vi_query_mode_t *query_mode; 161 vi_set_mode_t *set_mode; 162 vi_save_font_t *save_font; 163 vi_load_font_t *load_font; 164 vi_show_font_t *show_font; 165 vi_save_palette_t *save_palette; 166 vi_load_palette_t *load_palette; 167 vi_set_border_t *set_border; 168 vi_save_state_t *save_state; 169 vi_load_state_t *load_state; 170 vi_set_win_org_t *set_win_org; 171 vi_read_hw_cursor_t *read_hw_cursor; 172 vi_set_hw_cursor_t *set_hw_cursor; 173 vi_set_hw_cursor_shape_t *set_hw_cursor_shape; 174 vi_blank_display_t *blank_display; 175 vi_mmap_t *mmap; 176 vi_ioctl_t *ioctl; 177 vi_clear_t *clear; 178 vi_fill_rect_t *fill_rect; 179 vi_bitblt_t *bitblt; 180 int (*reserved1)(void); 181 int (*reserved2)(void); 182 vi_diag_t *diag; 183 vi_save_cursor_palette_t *save_cursor_palette; 184 vi_load_cursor_palette_t *load_cursor_palette; 185 vi_copy_t *copy; 186 vi_putp_t *putp; 187 vi_putc_t *putc; 188 vi_puts_t *puts; 189 vi_putm_t *putm; 190 } video_switch_t; 191 192 #define save_palette(adp, pal) \ 193 (*vidsw[(adp)->va_index]->save_palette)((adp), (pal)) 194 #define load_palette(adp, pal) \ 195 (*vidsw[(adp)->va_index]->load_palette)((adp), (pal)) 196 #define get_mode_info(adp, mode, buf) \ 197 (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf)) 198 #define set_video_mode(adp, mode) \ 199 (*vidsw[(adp)->va_index]->set_mode)((adp), (mode)) 200 #define set_border(adp, border) \ 201 (*vidsw[(adp)->va_index]->set_border)((adp), (border)) 202 #define set_origin(adp, o) \ 203 (*vidsw[(adp)->va_index]->set_win_org)(adp, o) 204 205 /* XXX - add more macros */ 206 207 /* video driver */ 208 typedef struct video_driver { 209 char *name; 210 video_switch_t *vidsw; 211 int (*configure)(int); /* backdoor for the console driver */ 212 } video_driver_t; 213 214 #define VIDEO_DRIVER(name, sw, config) \ 215 static struct video_driver name##_driver = { \ 216 #name, &sw, config \ 217 }; \ 218 DATA_SET(videodriver_set, name##_driver); 219 220 /* global variables */ 221 extern struct video_switch **vidsw; 222 223 /* functions for the video card driver */ 224 int vid_register(video_adapter_t *adp); 225 int vid_unregister(video_adapter_t *adp); 226 video_switch_t *vid_get_switch(char *name); 227 void vid_init_struct(video_adapter_t *adp, char *name, int type, 228 int unit); 229 230 /* functions for the video card client */ 231 int vid_allocate(char *driver, int unit, void *id); 232 int vid_release(video_adapter_t *adp, void *id); 233 int vid_find_adapter(char *driver, int unit); 234 video_adapter_t *vid_get_adapter(int index); 235 236 /* a backdoor for the console driver to tickle the video driver XXX */ 237 int vid_configure(int flags); 238 #define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */ 239 240 #ifdef FB_INSTALL_CDEV 241 242 /* virtual frame buffer driver functions */ 243 int fb_attach(int unit, video_adapter_t *adp, 244 struct cdevsw *cdevsw); 245 int fb_detach(int unit, video_adapter_t *adp, 246 struct cdevsw *cdevsw); 247 248 /* generic frame buffer cdev driver functions */ 249 250 typedef struct genfb_softc { 251 int gfb_flags; /* flag/status bits */ 252 #define FB_OPEN (1 << 0) 253 } genfb_softc_t; 254 255 int genfbopen(genfb_softc_t *sc, video_adapter_t *adp, 256 int flag, int mode, struct thread *td); 257 int genfbclose(genfb_softc_t *sc, video_adapter_t *adp, 258 int flag, int mode, struct thread *td); 259 int genfbread(genfb_softc_t *sc, video_adapter_t *adp, 260 struct uio *uio, int flag); 261 int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp, 262 struct uio *uio, int flag); 263 int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp, 264 u_long cmd, caddr_t arg, int flag, struct thread *td); 265 int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp, 266 vm_offset_t offset, vm_offset_t *paddr, int prot); 267 268 #endif /* FB_INSTALL_CDEV */ 269 270 /* generic low-level driver functions */ 271 272 void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level); 273 void fb_dump_mode_info(char *driver, video_adapter_t *adp, 274 video_info_t *info, int level); 275 int fb_type(int adp_type); 276 int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg); 277 278 #endif /* _KERNEL */ 279 280 #endif /* !_DEV_FB_FBREG_H_ */
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