sys/dev/hpc/video_subr.h

   1 /*      $NetBSD: video_subr.h,v 1.4 2005/12/11 12:21:22 christos Exp $  */
   2
   3 /*-
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by UCHIYAMA Yasushi.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #define LEGAL_CLUT_INDEX(x)     ((x) >= 0 && (x) <= 255)
  33 #define RGB24(r, g, b)          ((((r) << 16) & 0x00ff0000) |           \
  34                                  (((g) << 8) & 0x0000ff00) |            \
  35                                  (((b)) & 0x000000ff))
  36
  37 int cmap_work_alloc(u_int8_t **, u_int8_t **, u_int8_t **, u_int32_t **, int);
  38 void cmap_work_free(u_int8_t *, u_int8_t *, u_int8_t *, u_int32_t *);
  39 void rgb24_compose(u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *, int);
  40 void rgb24_decompose(u_int32_t *, u_int8_t *, u_int8_t *, u_int8_t *, int);
  41
  42 /* debug function */
  43 struct video_chip;
  44 struct video_chip {
  45         void *vc_v; /* CPU/chipset dependent goo */
  46
  47         vaddr_t vc_fbvaddr;
  48         paddr_t vc_fbpaddr;
  49         size_t vc_fbsize;
  50         int vc_fbdepth;
  51         int vc_fbwidth;
  52         int vc_fbheight;
  53         int vc_reverse;
  54
  55         void (*vc_drawline)(struct video_chip *, int, int, int, int);
  56         void (*vc_drawdot)(struct video_chip *, int, int);
  57 };
  58
  59 void video_attach_drawfunc(struct video_chip *);
  60 void video_line(struct video_chip *, int, int, int, int);
  61 void video_dot(struct video_chip *, int, int);
  62 void video_calibration_pattern(struct video_chip *);
  63 int video_reverse_color(void);