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+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _DEV_FB_FBREG_H_
+#define _DEV_FB_FBREG_H_
+
+#ifdef _KERNEL
+
+#define V_MAX_ADAPTERS 8 /* XXX */
+
+/* some macros */
+#if defined(__amd64__) || defined(__i386__)
+
+static __inline void
+copyw(uint16_t *src, uint16_t *dst, size_t size)
+{
+ size >>= 1;
+ while (size--)
+ *dst++ = *src++;
+}
+#define bcopy_io(s, d, c) copyw((void*)(s), (void*)(d), (c))
+#define bcopy_toio(s, d, c) copyw((void*)(s), (void*)(d), (c))
+#define bcopy_fromio(s, d, c) copyw((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 defined(__sparc64__)
+static __inline void
+fillw(int val, uint16_t *buf, size_t size)
+{
+ while (size--)
+ *buf++ = val;
+}
+#elif defined(__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);
+
+#elif defined(__mips__) || defined(__arm__)
+
+/*
+ * Use amd64/i386-like settings under the assumption that MIPS-based display
+ * drivers will have to add a level of indirection between a syscons-managed
+ * frame buffer and the actual video hardware. We are forced to do this
+ * because syscons doesn't carry around required busspace handles and tags to
+ * use here. This is only really a problem for true VGA devices hooked up to
+ * MIPS, as others will be performing a translation anyway.
+ */
+#define bcopy_io(s, d, c) memcpy((void *)(d), (void *)(s), (c))
+#define bcopy_toio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
+#define bcopy_fromio(s, d, c) memcpy((void *)(d), (void *)(s), (c))
+#define bzero_io(d, c) memset((void *)(d), 0, (c))
+#define fill_io(p, d, c) memset((void *)(d), (p), (c))
+static __inline void
+fillw(int val, uint16_t *buf, size_t size)
+{
+ while (size--)
+ *buf++ = val;
+}
+#define fillw_io(p, d, c) fillw((p), (void *)(d), (c))
+
+#if defined(__arm__)
+#define readw(a) (*(uint16_t*)(a))
+#define writew(a, v) (*(uint16_t*)(a) = (v))
+#endif
+
+#else /* !__i386__ && !__amd64__ && !__sparc64__ && !__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, int width,
+ u_char *data, int c, int count);
+typedef int vi_load_font_t(video_adapter_t *adp, int page, int size, int width,
+ 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_ooffset_t offset,
+ vm_paddr_t *paddr, int prot, vm_memattr_t *memattr);
+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, int width);
+
+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 vidd_probe(unit, adpp, arg, flags) \
+ (*vidsw[(adp)->va_index]->probe)((unit), (adpp), (arg), (flags))
+#define vidd_init(unit, adp, flags) \
+ (*vidsw[(adp)->va_index]->init)((unit), (adp), (flags))
+#define vidd_get_info(adp, mode, info) \
+ (*vidsw[(adp)->va_index]->get_info)((adp), (mode), (info))
+#define vidd_query_mode(adp, mode) \
+ (*vidsw[(adp)->va_index]->query_mode)((adp), (mode))
+#define vidd_set_mode(adp, mode) \
+ (*vidsw[(adp)->va_index]->set_mode)((adp), (mode))
+#define vidd_save_font(adp, page, size, width, data, c, count) \
+ (*vidsw[(adp)->va_index]->save_font)((adp), (page), (size), \
+ (width), (data), (c), (count))
+#define vidd_load_font(adp, page, size, width, data, c, count) \
+ (*vidsw[(adp)->va_index]->load_font)((adp), (page), (size), \
+ (width), (data), (c), (count))
+#define vidd_show_font(adp, page) \
+ (*vidsw[(adp)->va_index]->show_font)((adp), (page))
+#define vidd_save_palette(adp, pallete) \
+ (*vidsw[(adp)->va_index]->save_palette)((adp), (pallete))
+#define vidd_load_palette(adp, pallete) \
+ (*vidsw[(adp)->va_index]->load_palette)((adp), (pallete))
+#define vidd_set_border(adp, border) \
+ (*vidsw[(adp)->va_index]->set_border)((adp), (border))
+#define vidd_save_state(adp, p, size) \
+ (*vidsw[(adp)->va_index]->save_state)((adp), (p), (size))
+#define vidd_load_state(adp, p) \
+ (*vidsw[(adp)->va_index]->load_state)((adp), (p))
+#define vidd_set_win_org(adp, offset) \
+ (*vidsw[(adp)->va_index]->set_win_org)((adp), (offset))
+#define vidd_read_hw_cursor(adp, col, row) \
+ (*vidsw[(adp)->va_index]->read_hw_cursor)((adp), (col), (row))
+#define vidd_set_hw_cursor(adp, col, row) \
+ (*vidsw[(adp)->va_index]->set_hw_cursor)((adp), (col), (row))
+#define vidd_set_hw_cursor_shape(adp, base, height, celsize, blink) \
+ (*vidsw[(adp)->va_index]->set_hw_cursor_shape)((adp), (base), \
+ (height), (celsize), (blink))
+#define vidd_blank_display(adp, mode) \
+ (*vidsw[(adp)->va_index]->blank_display)((adp), (mode))
+#define vidd_mmap(adp, offset, paddr, prot, memattr) \
+ (*vidsw[(adp)->va_index]->mmap)((adp), (offset), (paddr), \
+ (prot), (memattr))
+#define vidd_ioctl(adp, cmd, data) \
+ (*vidsw[(adp)->va_index]->ioctl)((adp), (cmd), (data))
+#define vidd_clear(adp) \
+ (*vidsw[(adp)->va_index]->clear)((adp))
+#define vidd_fill_rect(adp, val, x, y, cx, cy) \
+ (*vidsw[(adp)->va_index]->fill_rect)((adp), (val), (x), (y), \
+ (cx), (cy))
+#define vidd_bitblt(adp, ...) \
+ (*vidsw[(adp)->va_index]->bitblt)(adp, __VA_ARGS__)
+#define vidd_diag(adp, level) \
+ (*vidsw[(adp)->va_index]->diag)((adp), (level))
+#define vidd_save_cursor_palette(adp, palette) \
+ (*vidsw[(adp)->va_index]->save_cursor_palette)((adp), (palette))
+#define vidd_load_cursor_palette(adp, palette) \
+ (*vidsw[(adp)->va_index]->load_cursor_palette)((adp), (palette))
+#define vidd_copy(adp, src, dst, n) \
+ (*vidsw[(adp)->va_index]->copy)((adp), (src), (dst), (n))
+#define vidd_putp(adp, offset, p, a, size, bpp, bit_ltor1, byte_ltor2) \
+ (*vidsw[(adp)->va_index]->putp)((adp), (offset), (p), (a), \
+ (size), (bpp), (bit_ltor1), (bit_ltor2))
+#define vidd_putc(adp, offset, c, a) \
+ (*vidsw[(adp)->va_index]->putc)((adp), (offset), (c), (a))
+#define vidd_puts(adp, offset, s, len) \
+ (*vidsw[(adp)->va_index]->puts)((adp), (offset), (s), (len))
+#define vidd_putm(adp, x, y, pixel_image, pixel_mask, size, width) \
+ (*vidsw[(adp)->va_index]->putm)((adp), (x), (y), (pixel_image), \
+ (pixel_mask), (size), (width))
+
+/* 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_ooffset_t offset, vm_paddr_t *paddr,
+ int prot, vm_memattr_t *memattr);
+
+#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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