364 lines
15 KiB
C
364 lines
15 KiB
C
/*-
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* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _DEV_FB_FBREG_H_
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#define _DEV_FB_FBREG_H_
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#ifdef _KERNEL
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#define V_MAX_ADAPTERS 8 /* XXX */
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/* some macros */
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#if defined(__amd64__) || defined(__i386__)
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static __inline void
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copyw(uint16_t *src, uint16_t *dst, size_t size)
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{
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size >>= 1;
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while (size--)
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*dst++ = *src++;
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}
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#define bcopy_io(s, d, c) copyw((void*)(s), (void*)(d), (c))
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#define bcopy_toio(s, d, c) copyw((void*)(s), (void*)(d), (c))
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#define bcopy_fromio(s, d, c) copyw((void*)(s), (void*)(d), (c))
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#define bzero_io(d, c) bzero((void *)(d), (c))
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#define fill_io(p, d, c) fill((p), (void *)(d), (c))
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#define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
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#elif defined(__ia64__) || defined(__sparc64__)
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#if defined(__ia64__)
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#include <machine/bus.h>
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#define bcopy_fromio(s, d, c) \
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bus_space_read_region_1(IA64_BUS_SPACE_MEM, s, 0, (void*)(d), c)
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#define bcopy_io(s, d, c) \
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bus_space_copy_region_1(IA64_BUS_SPACE_MEM, s, 0, d, 0, c)
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#define bcopy_toio(s, d, c) \
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bus_space_write_region_1(IA64_BUS_SPACE_MEM, d, 0, (void*)(s), c)
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#define bzero_io(d, c) \
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bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, 0, c)
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#define fill_io(p, d, c) \
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bus_space_set_region_1(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
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#define fillw_io(p, d, c) \
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bus_space_set_region_2(IA64_BUS_SPACE_MEM, (intptr_t)(d), 0, p, c)
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#define readb(a) bus_space_read_1(IA64_BUS_SPACE_MEM, a, 0)
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#define readw(a) bus_space_read_2(IA64_BUS_SPACE_MEM, a, 0)
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#define writeb(a, v) bus_space_write_1(IA64_BUS_SPACE_MEM, a, 0, v)
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#define writew(a, v) bus_space_write_2(IA64_BUS_SPACE_MEM, a, 0, v)
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#define writel(a, v) bus_space_write_4(IA64_BUS_SPACE_MEM, a, 0, v)
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#endif /* __ia64__ */
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static __inline void
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fillw(int val, uint16_t *buf, size_t size)
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{
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while (size--)
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*buf++ = val;
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}
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#elif defined(__powerpc__)
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#define bcopy_io(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
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#define bcopy_toio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
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#define bcopy_fromio(s, d, c) ofwfb_bcopy((void *)(s), (void *)(d), (c))
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#define bzero_io(d, c) ofwfb_bzero((void *)(d), (c))
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#define fillw(p, d, c) ofwfb_fillw((p), (void *)(d), (c))
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#define fillw_io(p, d, c) ofwfb_fillw((p), (void *)(d), (c))
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#define readw(a) ofwfb_readw((u_int16_t *)(a))
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#define writew(a, v) ofwfb_writew((u_int16_t *)(a), (v))
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void ofwfb_bcopy(const void *s, void *d, size_t c);
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void ofwfb_bzero(void *d, size_t c);
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void ofwfb_fillw(int pat, void *base, size_t cnt);
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u_int16_t ofwfb_readw(u_int16_t *addr);
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void ofwfb_writew(u_int16_t *addr, u_int16_t val);
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#elif defined(__mips__) || defined(__arm__)
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/*
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* Use amd64/i386-like settings under the assumption that MIPS-based display
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* drivers will have to add a level of indirection between a syscons-managed
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* frame buffer and the actual video hardware. We are forced to do this
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* because syscons doesn't carry around required busspace handles and tags to
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* use here. This is only really a problem for true VGA devices hooked up to
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* MIPS, as others will be performing a translation anyway.
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*/
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#define bcopy_io(s, d, c) memcpy((void *)(d), (void *)(s), (c))
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#define bcopy_toio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
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#define bcopy_fromio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
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#define bzero_io(d, c) memset((void *)(d), 0, (c))
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#define fill_io(p, d, c) memset((void *)(d), (p), (c))
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static __inline void
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fillw(int val, uint16_t *buf, size_t size)
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{
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while (size--)
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*buf++ = val;
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}
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#define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
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#if defined(__arm__)
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#define readw(a) (*(uint16_t*)(a))
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#define writew(a, v) (*(uint16_t*)(a) = (v))
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#endif
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#else /* !__i386__ && !__amd64__ && !__ia64__ && !__sparc64__ && !__powerpc__ */
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#define bcopy_io(s, d, c) memcpy_io((d), (s), (c))
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#define bcopy_toio(s, d, c) memcpy_toio((d), (void *)(s), (c))
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#define bcopy_fromio(s, d, c) memcpy_fromio((void *)(d), (s), (c))
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#define bzero_io(d, c) memset_io((d), 0, (c))
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#define fill_io(p, d, c) memset_io((d), (p), (c))
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#define fillw(p, d, c) memsetw((d), (p), (c))
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#define fillw_io(p, d, c) memsetw_io((d), (p), (c))
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#endif /* !__i386__ */
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/* video function table */
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typedef int vi_probe_t(int unit, video_adapter_t **adpp, void *arg, int flags);
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typedef int vi_init_t(int unit, video_adapter_t *adp, int flags);
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typedef int vi_get_info_t(video_adapter_t *adp, int mode, video_info_t *info);
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typedef int vi_query_mode_t(video_adapter_t *adp, video_info_t *info);
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typedef int vi_set_mode_t(video_adapter_t *adp, int mode);
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typedef int vi_save_font_t(video_adapter_t *adp, int page, int size, int width,
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u_char *data, int c, int count);
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typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width,
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u_char *data, int c, int count);
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typedef int vi_show_font_t(video_adapter_t *adp, int page);
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typedef int vi_save_palette_t(video_adapter_t *adp, u_char *palette);
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typedef int vi_load_palette_t(video_adapter_t *adp, u_char *palette);
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typedef int vi_set_border_t(video_adapter_t *adp, int border);
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typedef int vi_save_state_t(video_adapter_t *adp, void *p, size_t size);
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typedef int vi_load_state_t(video_adapter_t *adp, void *p);
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typedef int vi_set_win_org_t(video_adapter_t *adp, off_t offset);
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typedef int vi_read_hw_cursor_t(video_adapter_t *adp, int *col, int *row);
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typedef int vi_set_hw_cursor_t(video_adapter_t *adp, int col, int row);
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typedef int vi_set_hw_cursor_shape_t(video_adapter_t *adp, int base,
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int height, int celsize, int blink);
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typedef int vi_blank_display_t(video_adapter_t *adp, int mode);
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/* defined in sys/fbio.h
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#define V_DISPLAY_ON 0
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#define V_DISPLAY_BLANK 1
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#define V_DISPLAY_STAND_BY 2
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#define V_DISPLAY_SUSPEND 3
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*/
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typedef int vi_mmap_t(video_adapter_t *adp, vm_ooffset_t offset,
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vm_paddr_t *paddr, int prot, vm_memattr_t *memattr);
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typedef int vi_ioctl_t(video_adapter_t *adp, u_long cmd, caddr_t data);
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typedef int vi_clear_t(video_adapter_t *adp);
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typedef int vi_fill_rect_t(video_adapter_t *adp, int val, int x, int y,
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int cx, int cy);
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typedef int vi_bitblt_t(video_adapter_t *adp, ...);
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typedef int vi_diag_t(video_adapter_t *adp, int level);
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typedef int vi_save_cursor_palette_t(video_adapter_t *adp, u_char *palette);
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typedef int vi_load_cursor_palette_t(video_adapter_t *adp, u_char *palette);
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typedef int vi_copy_t(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst,
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int n);
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typedef int vi_putp_t(video_adapter_t *adp, vm_offset_t off, u_int32_t p,
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u_int32_t a, int size, int bpp, int bit_ltor,
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int byte_ltor);
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typedef int vi_putc_t(video_adapter_t *adp, vm_offset_t off, u_int8_t c,
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u_int8_t a);
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typedef int vi_puts_t(video_adapter_t *adp, vm_offset_t off, u_int16_t *s,
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int len);
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typedef int vi_putm_t(video_adapter_t *adp, int x, int y, u_int8_t *pixel_image,
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u_int32_t pixel_mask, int size, int width);
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typedef struct video_switch {
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vi_probe_t *probe;
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vi_init_t *init;
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vi_get_info_t *get_info;
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vi_query_mode_t *query_mode;
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vi_set_mode_t *set_mode;
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vi_save_font_t *save_font;
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vi_load_font_t *load_font;
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vi_show_font_t *show_font;
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vi_save_palette_t *save_palette;
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vi_load_palette_t *load_palette;
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vi_set_border_t *set_border;
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vi_save_state_t *save_state;
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vi_load_state_t *load_state;
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vi_set_win_org_t *set_win_org;
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vi_read_hw_cursor_t *read_hw_cursor;
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vi_set_hw_cursor_t *set_hw_cursor;
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vi_set_hw_cursor_shape_t *set_hw_cursor_shape;
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vi_blank_display_t *blank_display;
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vi_mmap_t *mmap;
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vi_ioctl_t *ioctl;
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vi_clear_t *clear;
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vi_fill_rect_t *fill_rect;
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vi_bitblt_t *bitblt;
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int (*reserved1)(void);
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int (*reserved2)(void);
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vi_diag_t *diag;
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vi_save_cursor_palette_t *save_cursor_palette;
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vi_load_cursor_palette_t *load_cursor_palette;
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vi_copy_t *copy;
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vi_putp_t *putp;
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vi_putc_t *putc;
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vi_puts_t *puts;
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vi_putm_t *putm;
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} video_switch_t;
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#define vidd_probe(unit, adpp, arg, flags) \
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(*vidsw[(adp)->va_index]->probe)((unit), (adpp), (arg), (flags))
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#define vidd_init(unit, adp, flags) \
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(*vidsw[(adp)->va_index]->init)((unit), (adp), (flags))
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#define vidd_get_info(adp, mode, info) \
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(*vidsw[(adp)->va_index]->get_info)((adp), (mode), (info))
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#define vidd_query_mode(adp, mode) \
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(*vidsw[(adp)->va_index]->query_mode)((adp), (mode))
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#define vidd_set_mode(adp, mode) \
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(*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
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#define vidd_save_font(adp, page, size, width, data, c, count) \
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(*vidsw[(adp)->va_index]->save_font)((adp), (page), (size), \
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(width), (data), (c), (count))
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#define vidd_load_font(adp, page, size, width, data, c, count) \
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(*vidsw[(adp)->va_index]->load_font)((adp), (page), (size), \
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(width), (data), (c), (count))
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#define vidd_show_font(adp, page) \
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(*vidsw[(adp)->va_index]->show_font)((adp), (page))
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#define vidd_save_palette(adp, pallete) \
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(*vidsw[(adp)->va_index]->save_palette)((adp), (pallete))
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#define vidd_load_palette(adp, pallete) \
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(*vidsw[(adp)->va_index]->load_palette)((adp), (pallete))
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#define vidd_set_border(adp, border) \
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(*vidsw[(adp)->va_index]->set_border)((adp), (border))
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#define vidd_save_state(adp, p, size) \
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(*vidsw[(adp)->va_index]->save_state)((adp), (p), (size))
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#define vidd_load_state(adp, p) \
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(*vidsw[(adp)->va_index]->load_state)((adp), (p))
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#define vidd_set_win_org(adp, offset) \
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(*vidsw[(adp)->va_index]->set_win_org)((adp), (offset))
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#define vidd_read_hw_cursor(adp, col, row) \
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(*vidsw[(adp)->va_index]->read_hw_cursor)((adp), (col), (row))
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#define vidd_set_hw_cursor(adp, col, row) \
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(*vidsw[(adp)->va_index]->set_hw_cursor)((adp), (col), (row))
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#define vidd_set_hw_cursor_shape(adp, base, height, celsize, blink) \
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(*vidsw[(adp)->va_index]->set_hw_cursor_shape)((adp), (base), \
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(height), (celsize), (blink))
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#define vidd_blank_display(adp, mode) \
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(*vidsw[(adp)->va_index]->blank_display)((adp), (mode))
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#define vidd_mmap(adp, offset, paddr, prot, memattr) \
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(*vidsw[(adp)->va_index]->mmap)((adp), (offset), (paddr), \
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(prot), (memattr))
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#define vidd_ioctl(adp, cmd, data) \
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(*vidsw[(adp)->va_index]->ioctl)((adp), (cmd), (data))
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#define vidd_clear(adp) \
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(*vidsw[(adp)->va_index]->clear)((adp))
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#define vidd_fill_rect(adp, val, x, y, cx, cy) \
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(*vidsw[(adp)->va_index]->fill_rect)((adp), (val), (x), (y), \
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(cx), (cy))
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#define vidd_bitblt(adp, ...) \
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(*vidsw[(adp)->va_index]->bitblt)(adp, __VA_ARGS__)
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#define vidd_diag(adp, level) \
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(*vidsw[(adp)->va_index]->diag)((adp), (level))
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#define vidd_save_cursor_palette(adp, palette) \
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(*vidsw[(adp)->va_index]->save_cursor_palette)((adp), (palette))
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#define vidd_load_cursor_palette(adp, palette) \
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(*vidsw[(adp)->va_index]->load_cursor_palette)((adp), (palette))
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#define vidd_copy(adp, src, dst, n) \
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(*vidsw[(adp)->va_index]->copy)((adp), (src), (dst), (n))
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#define vidd_putp(adp, offset, p, a, size, bpp, bit_ltor1, byte_ltor2) \
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(*vidsw[(adp)->va_index]->putp)((adp), (offset), (p), (a), \
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(size), (bpp), (bit_ltor1), (bit_ltor2))
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#define vidd_putc(adp, offset, c, a) \
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(*vidsw[(adp)->va_index]->putc)((adp), (offset), (c), (a))
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#define vidd_puts(adp, offset, s, len) \
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(*vidsw[(adp)->va_index]->puts)((adp), (offset), (s), (len))
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#define vidd_putm(adp, x, y, pixel_image, pixel_mask, size, width) \
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(*vidsw[(adp)->va_index]->putm)((adp), (x), (y), (pixel_image), \
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(pixel_mask), (size), (width))
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/* video driver */
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typedef struct video_driver {
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char *name;
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video_switch_t *vidsw;
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int (*configure)(int); /* backdoor for the console driver */
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} video_driver_t;
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#define VIDEO_DRIVER(name, sw, config) \
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static struct video_driver name##_driver = { \
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#name, &sw, config \
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}; \
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DATA_SET(videodriver_set, name##_driver);
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/* global variables */
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extern struct video_switch **vidsw;
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/* functions for the video card driver */
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int vid_register(video_adapter_t *adp);
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int vid_unregister(video_adapter_t *adp);
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video_switch_t *vid_get_switch(char *name);
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void vid_init_struct(video_adapter_t *adp, char *name, int type,
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int unit);
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/* functions for the video card client */
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int vid_allocate(char *driver, int unit, void *id);
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int vid_release(video_adapter_t *adp, void *id);
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int vid_find_adapter(char *driver, int unit);
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video_adapter_t *vid_get_adapter(int index);
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/* a backdoor for the console driver to tickle the video driver XXX */
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int vid_configure(int flags);
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#define VIO_PROBE_ONLY (1 << 0) /* probe only, don't initialize */
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#ifdef FB_INSTALL_CDEV
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/* virtual frame buffer driver functions */
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int fb_attach(int unit, video_adapter_t *adp,
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struct cdevsw *cdevsw);
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int fb_detach(int unit, video_adapter_t *adp,
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struct cdevsw *cdevsw);
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/* generic frame buffer cdev driver functions */
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typedef struct genfb_softc {
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int gfb_flags; /* flag/status bits */
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#define FB_OPEN (1 << 0)
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} genfb_softc_t;
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int genfbopen(genfb_softc_t *sc, video_adapter_t *adp,
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int flag, int mode, struct thread *td);
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int genfbclose(genfb_softc_t *sc, video_adapter_t *adp,
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int flag, int mode, struct thread *td);
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int genfbread(genfb_softc_t *sc, video_adapter_t *adp,
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struct uio *uio, int flag);
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int genfbwrite(genfb_softc_t *sc, video_adapter_t *adp,
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struct uio *uio, int flag);
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int genfbioctl(genfb_softc_t *sc, video_adapter_t *adp,
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u_long cmd, caddr_t arg, int flag, struct thread *td);
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int genfbmmap(genfb_softc_t *sc, video_adapter_t *adp,
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vm_ooffset_t offset, vm_offset_t *paddr,
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int prot, vm_memattr_t *memattr);
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#endif /* FB_INSTALL_CDEV */
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/* generic low-level driver functions */
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void fb_dump_adp_info(char *driver, video_adapter_t *adp, int level);
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void fb_dump_mode_info(char *driver, video_adapter_t *adp,
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video_info_t *info, int level);
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int fb_type(int adp_type);
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int fb_commonioctl(video_adapter_t *adp, u_long cmd, caddr_t arg);
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#endif /* _KERNEL */
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#endif /* !_DEV_FB_FBREG_H_ */
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