FreeBSD-5.3/sys/dev/fb/fbreg.h
/*-
* 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.
*
* $FreeBSD: src/sys/dev/fb/fbreg.h,v 1.18 2004/01/21 05:08:51 grehan 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);
#elif __amd64__
#define bcopy_io(s, d, c) bcopy((void *)(s), (void *)(d), (c))
#define bcopy_toio(s, d, c) bcopy((void *)(s), (void *)(d), (c))
#define bcopy_fromio(s, d, c) bcopy((void *)(s), (void *)(d), (c))
#define bzero_io(d, c) 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))
#elif __ia64__
#include <machine/bus.h>
#define bcopy_fromio(s, d, c) \
bus_space_read_region_1(IA64_BUS_SPACE_MEM, s, 0, (void*)(d), c)
#define bcopy_io(s, d, c) \
bus_space_copy_region_1(IA64_BUS_SPACE_MEM, s, 0, d, 0, c)
#define bcopy_toio(s, d, c) \
bus_space_write_region_1(IA64_BUS_SPACE_MEM, d, 0, (void*)(s), c)
#define bzero_io(d, c) \
bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, 0, c)
#define fill_io(p, d, c) \
bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
#define fillw_io(p, d, c) \
bus_space_set_region_2(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
#define readb(a) bus_space_read_1(IA64_BUS_SPACE_MEM, a, 0)
#define readw(a) bus_space_read_2(IA64_BUS_SPACE_MEM, a, 0)
#define writeb(a, v) bus_space_write_1(IA64_BUS_SPACE_MEM, a, 0, v)
#define writew(a, v) bus_space_write_2(IA64_BUS_SPACE_MEM, a, 0, v)
#define writel(a, v) bus_space_write_4(IA64_BUS_SPACE_MEM, a, 0, v)
static __inline void
fillw(int val, uint16_t *buf, size_t size)
{
while (size--)
*buf++ = val;
}
#elif __powerpc__
#define bcopy_io(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
#define bcopy_toio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
#define bcopy_fromio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
#define bzero_io(d, c) ofwfb_bzero((void *)(d), (c))
#define fillw(p, d, c) ofwfb_fillw((p), (void *)(d), (c))
#define fillw_io(p, d, c) ofwfb_fillw((p), (void *)(d), (c))
#define readw(a) ofwfb_readw((u_int16_t *)(a))
#define writew(a, v) ofwfb_writew((u_int16_t *)(a), (v))
void ofwfb_bcopy(const void *s, void *d, size_t c);
void ofwfb_bzero(void *d, size_t c);
void ofwfb_fillw(int pat, void *base, size_t cnt);
u_int16_t ofwfb_readw(u_int16_t *addr);
void ofwfb_writew(u_int16_t *addr, u_int16_t val);
#else /* !__i386__ && !__ia64__ && !__amd64__ && !__powerpc__ */
#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);
/* defined in sys/fbio.h
#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,
vm_paddr_t *paddr, 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 int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
int n);
typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
u_int32_t a, int size, int bpp, int bit_ltor,
int byte_ltor);
typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
u_int8_t a);
typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
int len);
typedef int vi_putm_t(video_adapter_t *adp, int x, int y,
u_int8_t *pixel_image, u_int32_t pixel_mask, int size);
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;
vi_save_cursor_palette_t *save_cursor_palette;
vi_load_cursor_palette_t *load_cursor_palette;
vi_copy_t *copy;
vi_putp_t *putp;
vi_putc_t *putc;
vi_puts_t *puts;
vi_putm_t *putm;
} 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))
#define set_border(adp, border) \
(*vidsw[(adp)->va_index]->set_border)((adp), (border))
#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;
/* 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(int unit, video_adapter_t *adp,
struct cdevsw *cdevsw);
int fb_detach(int unit, 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 thread *td);
int genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
int flag, int mode, struct thread *td);
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 thread *td);
int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
vm_offset_t offset, vm_offset_t *paddr, 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_ */