xref: /freebsd/sys/sys/fbio.h (revision 29363fb4)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software developed by the Computer Systems
8  * Engineering group at Lawrence Berkeley Laboratory under DARPA
9  * contract BG 91-66 and contributed to Berkeley.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef _SYS_FBIO_H_
37 #define _SYS_FBIO_H_
38 
39 #ifndef _KERNEL
40 #include <sys/types.h>
41 #else
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/eventhandler.h>
45 #endif
46 #include <sys/ioccom.h>
47 
48 /*
49  * Frame buffer ioctls (from Sprite, trimmed to essentials for X11).
50  */
51 
52 /*
53  * Frame buffer type codes.
54  */
55 #define	FBTYPE_SUN1BW		0	/* multibus mono */
56 #define	FBTYPE_SUN1COLOR	1	/* multibus color */
57 #define	FBTYPE_SUN2BW		2	/* memory mono */
58 #define	FBTYPE_SUN2COLOR	3	/* color w/rasterop chips */
59 #define	FBTYPE_SUN2GP		4	/* GP1/GP2 */
60 #define	FBTYPE_SUN5COLOR	5	/* RoadRunner accelerator */
61 #define	FBTYPE_SUN3COLOR	6	/* memory color */
62 #define	FBTYPE_MEMCOLOR		7	/* memory 24-bit */
63 #define	FBTYPE_SUN4COLOR	8	/* memory color w/overlay */
64 
65 #define	FBTYPE_NOTSUN1		9	/* reserved for customer */
66 #define	FBTYPE_NOTSUN2		10	/* reserved for customer */
67 #define	FBTYPE_PCIMISC		11	/* (generic) PCI misc. disp. */
68 
69 #define	FBTYPE_SUNFAST_COLOR	12	/* accelerated 8bit */
70 #define	FBTYPE_SUNROP_COLOR	13	/* MEMCOLOR with rop h/w */
71 #define	FBTYPE_SUNFB_VIDEO	14	/* Simple video mixing */
72 #define	FBTYPE_RESERVED5	15	/* reserved, do not use */
73 #define	FBTYPE_RESERVED4	16	/* reserved, do not use */
74 #define	FBTYPE_SUNGP3		17
75 #define	FBTYPE_SUNGT		18
76 #define	FBTYPE_SUNLEO		19	/* zx Leo */
77 
78 #define	FBTYPE_MDA		20
79 #define	FBTYPE_HERCULES		21
80 #define	FBTYPE_CGA		22
81 #define	FBTYPE_EGA		23
82 #define	FBTYPE_VGA		24
83 #define	FBTYPE_TGA		26
84 #define	FBTYPE_TGA2		27
85 
86 #define	FBTYPE_MDICOLOR		28	/* cg14 */
87 #define	FBTYPE_TCXCOLOR		29	/* SUNW,tcx */
88 #define	FBTYPE_CREATOR		30
89 
90 #define	FBTYPE_EFIFB		31	/* EFI Graphical Output Protocol (GOP) */
91 
92 #define	FBTYPE_LASTPLUSONE	32	/* max number of fbs (change as add) */
93 
94 /*
95  * Frame buffer descriptor as returned by FBIOGTYPE.
96  */
97 struct fbtype {
98 	int	fb_type;	/* as defined above */
99 	int	fb_height;	/* in pixels */
100 	int	fb_width;	/* in pixels */
101 	int	fb_depth;	/* bits per pixel */
102 	int	fb_cmsize;	/* size of color map (entries) */
103 	int	fb_size;	/* total size in bytes */
104 };
105 #define	FBIOGTYPE	_IOR('F', 0, struct fbtype)
106 
107 #define	FBTYPE_GET_STRIDE(_fb)	((_fb)->fb_size / (_fb)->fb_height)
108 #define	FBTYPE_GET_BPP(_fb)	((_fb)->fb_bpp)
109 #define	FBTYPE_GET_BYTESPP(_fb)	((_fb)->fb_bpp / 8)
110 
111 /*
112  * RGB offsets as returned by FBIO_GETRGBOFFS.
113  */
114 struct fb_rgboffs {
115 	int		red;
116 	int		green;
117 	int		blue;
118 };
119 
120 #ifdef	_KERNEL
121 
122 struct fb_info;
123 
124 typedef int fb_enter_t(void *priv);
125 typedef int fb_leave_t(void *priv);
126 typedef int fb_setblankmode_t(void *priv, int mode);
127 
128 struct fb_info {
129 	/* Raw copy of fbtype. Do not change. */
130 	int		fb_type;	/* as defined above */
131 	int		fb_height;	/* in pixels */
132 	int		fb_width;	/* in pixels */
133 	int		fb_depth;	/* bits to define color */
134 	int		fb_cmsize;	/* size of color map (entries) */
135 	int		fb_size;	/* total size in bytes */
136 
137 	struct cdev 	*fb_cdev;
138 
139 	device_t	 fb_fbd_dev;	/* "fbd" device. */
140 	device_t	 fb_video_dev;	/* Video adapter. */
141 
142 	fb_enter_t	*enter;
143 	fb_leave_t	*leave;
144 	fb_setblankmode_t *setblankmode;
145 
146 	vm_paddr_t	fb_pbase;	/* For FB mmap. */
147 	vm_offset_t	fb_vbase;	/* if NULL, use fb_write/fb_read. */
148 	void		*fb_priv;	/* First argument for read/write. */
149 	const char	*fb_name;
150 	uint32_t	fb_flags;
151 #define	FB_FLAG_NOMMAP		1	/* mmap unsupported. */
152 #define	FB_FLAG_NOWRITE		2	/* disable writes for the time being */
153 #define	FB_FLAG_MEMATTR		4	/* override memattr for mmap */
154 	vm_memattr_t	fb_memattr;
155 	int		fb_stride;
156 	int		fb_bpp;		/* bits per pixel */
157 	uint32_t	fb_cmap[16];
158 
159 	struct fb_rgboffs fb_rgboffs;	/* RGB offsets */
160 };
161 
162 int fbd_list(void);
163 int fbd_register(struct fb_info *);
164 int fbd_unregister(struct fb_info *);
165 
166 static inline int
register_framebuffer(struct fb_info * info)167 register_framebuffer(struct fb_info *info)
168 {
169 
170 	EVENTHANDLER_INVOKE(register_framebuffer, info);
171 	return (0);
172 }
173 
174 static inline int
unregister_framebuffer(struct fb_info * info)175 unregister_framebuffer(struct fb_info *info)
176 {
177 
178 	EVENTHANDLER_INVOKE(unregister_framebuffer, info);
179 	return (0);
180 }
181 #endif
182 
183 /*
184  * Color map I/O.
185  */
186 struct fbcmap {
187 	int	index;		/* first element (0 origin) */
188 	int	count;		/* number of elements */
189 	u_char	*red;		/* red color map elements */
190 	u_char	*green;		/* green color map elements */
191 	u_char	*blue;		/* blue color map elements */
192 };
193 #define	FBIOPUTCMAP	_IOW('F', 3, struct fbcmap)
194 #define	FBIOGETCMAP	_IOW('F', 4, struct fbcmap)
195 
196 /* The new style frame buffer ioctls. */
197 
198 /* video mode information block */
199 struct video_info {
200     int			vi_mode;	/* mode number, see below */
201     int			vi_flags;
202 #define V_INFO_COLOR	(1 << 0)
203 #define V_INFO_GRAPHICS	(1 << 1)
204 #define V_INFO_LINEAR	(1 << 2)
205 #define V_INFO_VESA	(1 << 3)
206 #define	V_INFO_NONVGA	(1 << 4)
207 #define	V_INFO_CWIDTH9	(1 << 5)
208     int			vi_width;
209     int			vi_height;
210     int			vi_cwidth;
211     int			vi_cheight;
212     int			vi_depth;
213     int			vi_planes;
214     vm_offset_t		vi_window;	/* physical address */
215     size_t		vi_window_size;
216     size_t		vi_window_gran;
217     vm_offset_t		vi_buffer;	/* physical address */
218     size_t		vi_buffer_size;
219     int			vi_mem_model;
220 #define V_INFO_MM_OTHER  (-1)
221 #define V_INFO_MM_TEXT	 0
222 #define V_INFO_MM_PLANAR 1
223 #define V_INFO_MM_PACKED 2
224 #define V_INFO_MM_DIRECT 3
225 #define V_INFO_MM_CGA	 100
226 #define V_INFO_MM_HGC	 101
227 #define V_INFO_MM_VGAX	 102
228     /* for MM_PACKED and MM_DIRECT only */
229     int			vi_pixel_size;	/* in bytes */
230     /* for MM_DIRECT only */
231     int			vi_pixel_fields[4];	/* RGB and reserved fields */
232     int			vi_pixel_fsizes[4];
233     /* reserved */
234     u_char		vi_reserved[64];
235     vm_offset_t		vi_registers;	/* physical address */
236     vm_offset_t		vi_registers_size;
237 };
238 typedef struct video_info video_info_t;
239 
240 /* adapter infromation block */
241 struct video_adapter {
242     int			va_index;
243     int			va_type;
244 #define KD_OTHER	0		/* unknown */
245 #define KD_MONO		1		/* monochrome adapter */
246 #define KD_HERCULES	2		/* hercules adapter */
247 #define KD_CGA		3		/* color graphics adapter */
248 #define KD_EGA		4		/* enhanced graphics adapter */
249 #define KD_VGA		5		/* video graphics adapter */
250 #define KD_TGA		7		/* TGA */
251 #define KD_TGA2		8		/* TGA2 */
252     char		*va_name;
253     int			va_unit;
254     int			va_minor;
255     int			va_flags;
256 #define V_ADP_COLOR	(1 << 0)
257 #define V_ADP_MODECHANGE (1 << 1)
258 #define V_ADP_STATESAVE	(1 << 2)
259 #define V_ADP_STATELOAD	(1 << 3)
260 #define V_ADP_FONT	(1 << 4)
261 #define V_ADP_PALETTE	(1 << 5)
262 #define V_ADP_BORDER	(1 << 6)
263 #define V_ADP_VESA	(1 << 7)
264 #define V_ADP_BOOTDISPLAY (1 << 8)
265 #define V_ADP_PROBED	(1 << 16)
266 #define V_ADP_INITIALIZED (1 << 17)
267 #define V_ADP_REGISTERED (1 << 18)
268 #define V_ADP_ATTACHED	(1 << 19)
269 #define	V_ADP_DAC8	(1 << 20)
270 #define	V_ADP_CWIDTH9	(1 << 21)
271     vm_offset_t		va_io_base;
272     int			va_io_size;
273     vm_offset_t		va_crtc_addr;
274     vm_offset_t		va_mem_base;
275     int			va_mem_size;
276     vm_offset_t		va_window;	/* virtual address */
277     size_t		va_window_size;
278     size_t		va_window_gran;
279     u_int		va_window_orig;
280     vm_offset_t		va_buffer;	/* virtual address */
281     size_t		va_buffer_size;
282     int			va_initial_mode;
283     int			va_initial_bios_mode;
284     int			va_mode;
285     struct video_info	va_info;
286     int			va_line_width;
287     struct {
288 	int		x;
289 	int		y;
290     } 			va_disp_start;
291     void		*va_token;
292     int			va_model;
293     int			va_little_bitian;
294     int			va_little_endian;
295     int			va_buffer_alias;
296     vm_offset_t		va_registers;	/* virtual address */
297     vm_offset_t		va_registers_size;
298 };
299 typedef struct video_adapter video_adapter_t;
300 
301 struct video_adapter_info {
302     int			va_index;
303     int			va_type;
304     char		va_name[16];
305     int			va_unit;
306     int			va_flags;
307     vm_offset_t		va_io_base;
308     int			va_io_size;
309     vm_offset_t		va_crtc_addr;
310     vm_offset_t		va_mem_base;
311     int			va_mem_size;
312     vm_offset_t		va_window;	/* virtual address */
313     size_t		va_window_size;
314     size_t		va_window_gran;
315     vm_offset_t		va_unused0;
316     size_t		va_buffer_size;
317     int			va_initial_mode;
318     int			va_initial_bios_mode;
319     int			va_mode;
320     int			va_line_width;
321     struct {
322 	int		x;
323 	int		y;
324     } 			va_disp_start;
325     u_int		va_window_orig;
326     /* reserved */
327     u_char		va_reserved[64];
328 };
329 typedef struct video_adapter_info video_adapter_info_t;
330 
331 /* some useful video adapter index */
332 #define V_ADP_PRIMARY	0
333 #define V_ADP_SECONDARY	1
334 
335 /* video mode numbers */
336 
337 #define M_B40x25	0	/* black & white 40 columns */
338 #define M_C40x25	1	/* color 40 columns */
339 #define M_B80x25	2	/* black & white 80 columns */
340 #define M_C80x25	3	/* color 80 columns */
341 #define M_BG320		4	/* black & white graphics 320x200 */
342 #define M_CG320		5	/* color graphics 320x200 */
343 #define M_BG640		6	/* black & white graphics 640x200 hi-res */
344 #define M_EGAMONO80x25  7       /* ega-mono 80x25 */
345 #define M_CG320_D	13	/* ega mode D */
346 #define M_CG640_E	14	/* ega mode E */
347 #define M_EGAMONOAPA	15	/* ega mode F */
348 #define M_CG640x350	16	/* ega mode 10 */
349 #define M_ENHMONOAPA2	17	/* ega mode F with extended memory */
350 #define M_ENH_CG640	18	/* ega mode 10* */
351 #define M_ENH_B40x25    19      /* ega enhanced black & white 40 columns */
352 #define M_ENH_C40x25    20      /* ega enhanced color 40 columns */
353 #define M_ENH_B80x25    21      /* ega enhanced black & white 80 columns */
354 #define M_ENH_C80x25    22      /* ega enhanced color 80 columns */
355 #define M_VGA_C40x25	23	/* vga 8x16 font on color */
356 #define M_VGA_C80x25	24	/* vga 8x16 font on color */
357 #define M_VGA_M80x25	25	/* vga 8x16 font on mono */
358 
359 #define M_VGA11		26	/* vga 640x480 2 colors */
360 #define M_BG640x480	26
361 #define M_VGA12		27	/* vga 640x480 16 colors */
362 #define M_CG640x480	27
363 #define M_VGA13		28	/* vga 320x200 256 colors */
364 #define M_VGA_CG320	28
365 
366 #define M_VGA_C80x50	30	/* vga 8x8 font on color */
367 #define M_VGA_M80x50	31	/* vga 8x8 font on color */
368 #define M_VGA_C80x30	32	/* vga 8x16 font on color */
369 #define M_VGA_M80x30	33	/* vga 8x16 font on color */
370 #define M_VGA_C80x60	34	/* vga 8x8 font on color */
371 #define M_VGA_M80x60	35	/* vga 8x8 font on color */
372 #define M_VGA_CG640	36	/* vga 640x400 256 color */
373 #define M_VGA_MODEX	37	/* vga 320x240 256 color */
374 
375 #define M_VGA_C90x25	40	/* vga 8x16 font on color */
376 #define M_VGA_M90x25	41	/* vga 8x16 font on mono */
377 #define M_VGA_C90x30	42	/* vga 8x16 font on color */
378 #define M_VGA_M90x30	43	/* vga 8x16 font on mono */
379 #define M_VGA_C90x43	44	/* vga 8x8 font on color */
380 #define M_VGA_M90x43	45	/* vga 8x8 font on mono */
381 #define M_VGA_C90x50	46	/* vga 8x8 font on color */
382 #define M_VGA_M90x50	47	/* vga 8x8 font on mono */
383 #define M_VGA_C90x60	48	/* vga 8x8 font on color */
384 #define M_VGA_M90x60	49	/* vga 8x8 font on mono */
385 
386 #define M_ENH_B80x43	0x70	/* ega black & white 80x43 */
387 #define M_ENH_C80x43	0x71	/* ega color 80x43 */
388 
389 #define M_HGC_P0	0xe0	/* hercules graphics - page 0 @ B0000 */
390 #define M_HGC_P1	0xe1	/* hercules graphics - page 1 @ B8000 */
391 #define M_MCA_MODE	0xff	/* monochrome adapter mode */
392 
393 #define M_TEXT_80x25	200	/* generic text modes */
394 #define M_TEXT_80x30	201
395 #define M_TEXT_80x43	202
396 #define M_TEXT_80x50	203
397 #define M_TEXT_80x60	204
398 #define M_TEXT_132x25	205
399 #define M_TEXT_132x30	206
400 #define M_TEXT_132x43	207
401 #define M_TEXT_132x50	208
402 #define M_TEXT_132x60	209
403 
404 #define M_VESA_BASE		0x100	/* VESA mode number base */
405 #define M_VESA_CG640x400	0x100	/* 640x400, 256 color */
406 #define M_VESA_CG640x480	0x101	/* 640x480, 256 color */
407 #define M_VESA_800x600		0x102	/* 800x600, 16 color */
408 #define M_VESA_CG800x600	0x103	/* 800x600, 256 color */
409 #define M_VESA_1024x768		0x104	/* 1024x768, 16 color */
410 #define M_VESA_CG1024x768	0x105	/* 1024x768, 256 color */
411 #define M_VESA_1280x1024	0x106	/* 1280x1024, 16 color */
412 #define M_VESA_CG1280x1024	0x107	/* 1280x1024, 256 color */
413 #define M_VESA_C80x60		0x108	/* 8x8 font */
414 #define M_VESA_C132x25		0x109	/* 8x16 font */
415 #define M_VESA_C132x43		0x10a	/* 8x14 font */
416 #define M_VESA_C132x50		0x10b	/* 8x8 font */
417 #define M_VESA_C132x60		0x10c	/* 8x8 font */
418 #define M_VESA_32K_320		0x10d	/* 320x200, 5:5:5 */
419 #define M_VESA_64K_320		0x10e	/* 320x200, 5:6:5 */
420 #define M_VESA_FULL_320		0x10f	/* 320x200, 8:8:8 */
421 #define M_VESA_32K_640		0x110	/* 640x480, 5:5:5 */
422 #define M_VESA_64K_640		0x111	/* 640x480, 5:6:5 */
423 #define M_VESA_FULL_640		0x112	/* 640x480, 8:8:8 */
424 #define M_VESA_32K_800		0x113	/* 800x600, 5:5:5 */
425 #define M_VESA_64K_800		0x114	/* 800x600, 5:6:5 */
426 #define M_VESA_FULL_800		0x115	/* 800x600, 8:8:8 */
427 #define M_VESA_32K_1024		0x116	/* 1024x768, 5:5:5 */
428 #define M_VESA_64K_1024		0x117	/* 1024x768, 5:6:5 */
429 #define M_VESA_FULL_1024	0x118	/* 1024x768, 8:8:8 */
430 #define M_VESA_32K_1280		0x119	/* 1280x1024, 5:5:5 */
431 #define M_VESA_64K_1280		0x11a	/* 1280x1024, 5:6:5 */
432 #define M_VESA_FULL_1280	0x11b	/* 1280x1024, 8:8:8 */
433 #define M_VESA_MODE_MAX		0x1ff
434 
435 struct video_display_start {
436 	int		x;
437 	int		y;
438 };
439 typedef struct video_display_start video_display_start_t;
440 
441 struct video_color_palette {
442 	int		index;		/* first element (zero-based) */
443 	int		count;		/* number of elements */
444 	u_char		*red;		/* red */
445 	u_char		*green;		/* green */
446 	u_char		*blue;		/* blue */
447 	u_char		*transparent;	/* may be NULL */
448 };
449 typedef struct video_color_palette video_color_palette_t;
450 
451 /* adapter info. */
452 #define FBIO_ADAPTER	_IOR('F', 100, int)
453 #define FBIO_ADPTYPE	_IOR('F', 101, int)
454 #define FBIO_ADPINFO	_IOR('F', 102, struct video_adapter_info)
455 
456 /* video mode control */
457 #define FBIO_MODEINFO	_IOWR('F', 103, struct video_info)
458 #define FBIO_FINDMODE	_IOWR('F', 104, struct video_info)
459 #define FBIO_GETMODE	_IOR('F', 105, int)
460 #define FBIO_SETMODE	_IOW('F', 106, int)
461 
462 /* get/set frame buffer window origin */
463 #define FBIO_GETWINORG	_IOR('F', 107, u_int)
464 #define FBIO_SETWINORG	_IOW('F', 108, u_int)
465 
466 /* get/set display start address */
467 #define FBIO_GETDISPSTART	_IOR('F', 109, video_display_start_t)
468 #define FBIO_SETDISPSTART	_IOW('F', 110, video_display_start_t)
469 
470 /* get/set scan line width */
471 #define FBIO_GETLINEWIDTH	_IOR('F', 111, u_int)
472 #define FBIO_SETLINEWIDTH	_IOW('F', 112, u_int)
473 
474 /* color palette control */
475 #define FBIO_GETPALETTE	_IOW('F', 113, video_color_palette_t)
476 #define FBIO_SETPALETTE	_IOW('F', 114, video_color_palette_t)
477 
478 /* blank display */
479 #define V_DISPLAY_ON		0
480 #define V_DISPLAY_BLANK		1
481 #define V_DISPLAY_STAND_BY	2
482 #define V_DISPLAY_SUSPEND	3
483 
484 #define FBIO_BLANK	_IOW('F', 115, int)
485 
486 /* get RGB offsets */
487 #define	FBIO_GETRGBOFFS	_IOR('F', 116, struct fb_rgboffs)
488 
489 #endif /* !_SYS_FBIO_H_ */
490