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/*-
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer as
* the first lines of this file unmodified.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: fbreg.h,v 1.3 1999/04/12 13:34:56 des Exp $
*/
#ifndef _DEV_FB_FBREG_H_
#define _DEV_FB_FBREG_H_
#ifdef KERNEL
#define V_MAX_ADAPTERS 8 /* XXX */
/* some macros */
#ifdef __i386__
#define bcopy_io(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c))
#define bcopy_toio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c))
#define bcopy_fromio(s, d, c) generic_bcopy((void *)(s), (void *)(d), (c))
#define bzero_io(d, c) generic_bzero((void *)(d), (c))
#define fill_io(p, d, c) fill((p), (void *)(d), (c))
#define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
void generic_bcopy(const void *s, void *d, size_t c);
void generic_bzero(void *d, size_t c);
#else /* !__i386__ */
#define bcopy_io(s, d, c) memcpy_io((d), (s), (c))
#define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c))
#define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c))
#define bzero_io(d, c) memset_io((d), 0, (c))
#define fill_io(p, d, c) memset_io((d), (p), (c))
#define fillw(p, d, c) memsetw((d), (p), (c))
#define fillw_io(p, d, c) memsetw_io((d), (p), (c))
#endif /* !__i386__ */
/* video function table */
typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
typedef int vi_save_font_t(video_adapter_t *adp, int page, int size,
u_char *data, int c, int count);
typedef int vi_load_font_t(video_adapter_t *adp, int page, int size,
u_char *data, int c, int count);
typedef int vi_show_font_t(video_adapter_t *adp, int page);
typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
typedef int vi_set_border_t(video_adapter_t *adp, int border);
typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
typedef int vi_load_state_t(video_adapter_t *adp, void *p);
typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
int height, int celsize, int blink);
typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
#define V_DISPLAY_ON 0
#define V_DISPLAY_BLANK 1
#define V_DISPLAY_STAND_BY 2
#define V_DISPLAY_SUSPEND 3
typedef int vi_mmap_t(video_adapter_t *adp, vm_offset_t offset, int prot);
typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
typedef int vi_clear_t(video_adapter_t *adp);
typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
int cx, int cy);
typedef int vi_bitblt_t(video_adapter_t *adp,...);
typedef int vi_diag_t(video_adapter_t *adp, int level);
typedef struct video_switch {
vi_probe_t *probe;
vi_init_t *init;
vi_get_info_t *get_info;
vi_query_mode_t *query_mode;
vi_set_mode_t *set_mode;
vi_save_font_t *save_font;
vi_load_font_t *load_font;
vi_show_font_t *show_font;
vi_save_palette_t *save_palette;
vi_load_palette_t *load_palette;
vi_set_border_t *set_border;
vi_save_state_t *save_state;
vi_load_state_t *load_state;
vi_set_win_org_t *set_win_org;
vi_read_hw_cursor_t *read_hw_cursor;
vi_set_hw_cursor_t *set_hw_cursor;
vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
vi_blank_display_t *blank_display;
vi_mmap_t *mmap;
vi_ioctl_t *ioctl;
vi_clear_t *clear;
vi_fill_rect_t *fill_rect;
vi_bitblt_t *bitblt;
int (*reserved1)(void);
int (*reserved2)(void);
vi_diag_t *diag;
} video_switch_t;
#define save_palette(adp, pal) \
(*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
#define load_palette(adp, pal) \
(*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
#define get_mode_info(adp, mode, buf) \
(*vidsw[(adp)->va_index]->get_info)((adp), (mode), (buf))
#define set_video_mode(adp, mode) \
(*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
#if 0 /* XXX conflicts with syscons' set_border() */
#define set_border(adp, border) \
(*vidsw[(adp)->va_index]->set_border)((adp), (border))
#endif
#define set_origin(adp, o) \
(*vidsw[(adp)->va_index]->set_win_org)(adp, o)
/* XXX - add more macros */
/* video driver */
typedef struct video_driver {
char *name;
video_switch_t *vidsw;
int (*configure)(int); /* backdoor for the console driver */
} video_driver_t;
#define VIDEO_DRIVER(name, sw, config) \
static struct video_driver name##_driver = { \
#name, &sw, config \
}; \
DATA_SET(videodriver_set, name##_driver);
/* global variables */
extern struct video_switch **vidsw;
extern struct linker_set videodriver_set;
/* functions for the video card driver */
int vid_register(video_adapter_t *adp);
int vid_unregister(video_adapter_t *adp);
video_switch_t *vid_get_switch(char *name);
void vid_init_struct(video_adapter_t *adp, char *name, int type,
int unit);
/* functions for the video card client */
int vid_allocate(char *driver, int unit, void *id);
int vid_release(video_adapter_t *adp, void *id);
int vid_find_adapter(char *driver, int unit);
video_adapter_t *vid_get_adapter(int index);
/* a backdoor for the console driver to tickle the video driver XXX */
int vid_configure(int flags);
#define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */
#ifdef FB_INSTALL_CDEV
/* virtual frame buffer driver functions */
int fb_attach(dev_t dev, video_adapter_t *adp,
struct cdevsw *cdevsw);
int fb_detach(dev_t dev, video_adapter_t *adp,
struct cdevsw *cdevsw);
/* generic frame buffer cdev driver functions */
typedef struct genfb_softc {
int gfb_flags; /* flag/status bits */
#define FB_OPEN (1 << 0)
} genfb_softc_t;
int genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
int flag, int mode, struct proc *p);
int genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
int flag, int mode, struct proc *p);
int genfbread(genfb_softc_t *sc, video_adapter_t *adp,
struct uio *uio, int flag);
int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
struct uio *uio, int flag);
int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
u_long cmd, caddr_t arg, int flag, struct proc *p);
int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
vm_offset_t offset, int prot);
#endif /* FB_INSTALL_CDEV */
/* generic low-level driver functions */
void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
void fb_dump_mode_info(char *driver, video_adapter_t *adp,
video_info_t *info, int level);
int fb_type(int adp_type);
int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
#endif /* KERNEL */
#endif /* !_DEV_FB_FBREG_H_ */
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