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authorVijay Kumar Banerjee <vijaykumar9597@gmail.com>2019-08-04 01:49:42 +0530
committerChristian Mauderer <oss@c-mauderer.de>2019-08-11 15:57:54 +0200
commitfa976bc5aa12591f1fb4194bab3f91e02d7cace4 (patch)
tree2ab6ab3d003f082d02f6f70b57df3d2e64c2a5cd /freebsd/sys/dev/vt
parent2cf7b6b3e4f3f93c50632781b3898efd6b38cd03 (diff)
downloadrtems-libbsd-fa976bc5aa12591f1fb4194bab3f91e02d7cace4.tar.bz2
fbd: Import from FreeBSD
Diffstat (limited to 'freebsd/sys/dev/vt')
-rw-r--r--freebsd/sys/dev/vt/colors/vt_termcolors.h63
-rw-r--r--freebsd/sys/dev/vt/hw/fb/vt_fb.h54
-rw-r--r--freebsd/sys/dev/vt/vt.h474
3 files changed, 591 insertions, 0 deletions
diff --git a/freebsd/sys/dev/vt/colors/vt_termcolors.h b/freebsd/sys/dev/vt/colors/vt_termcolors.h
new file mode 100644
index 00000000..8a8c7b65
--- /dev/null
+++ b/freebsd/sys/dev/vt/colors/vt_termcolors.h
@@ -0,0 +1,63 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * 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.
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD$
+ */
+
+enum vt_color_format {
+ COLOR_FORMAT_BW = 0,
+ COLOR_FORMAT_GRAY,
+ COLOR_FORMAT_VGA, /* Color Index. */
+ COLOR_FORMAT_RGB,
+ COLOR_FORMAT_ARGB,
+ COLOR_FORMAT_CMYK,
+ COLOR_FORMAT_HSL,
+ COLOR_FORMAT_YUV,
+ COLOR_FORMAT_YCbCr,
+ COLOR_FORMAT_YPbPr,
+
+ COLOR_FORMAT_MAX = 15,
+};
+
+#define NCOLORS 16
+
+/*
+ * Between console's palette and VGA's one:
+ * - blue and red are swapped (1 <-> 4)
+ * - yellow and cyan are swapped (3 <-> 6)
+ */
+static const int cons_to_vga_colors[NCOLORS] = {
+ 0, 4, 2, 6, 1, 5, 3, 7,
+ 8, 12, 10, 14, 9, 13, 11, 15
+};
+
+/* Helper to fill color map used by driver */
+int vt_generate_cons_palette(uint32_t *palette, int format, uint32_t rmax,
+ int roffset, uint32_t gmax, int goffset, uint32_t bmax, int boffset);
diff --git a/freebsd/sys/dev/vt/hw/fb/vt_fb.h b/freebsd/sys/dev/vt/hw/fb/vt_fb.h
new file mode 100644
index 00000000..42b395e8
--- /dev/null
+++ b/freebsd/sys/dev/vt/hw/fb/vt_fb.h
@@ -0,0 +1,54 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Aleksandr Rybalko under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * 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.
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_VT_HW_FB_VT_FB_H_
+#define _DEV_VT_HW_FB_VT_FB_H_
+/* Generic framebuffer interface call vt_fb_attach to init VT(9) */
+int vt_fb_attach(struct fb_info *info);
+void vt_fb_resume(struct vt_device *vd);
+void vt_fb_suspend(struct vt_device *vd);
+int vt_fb_detach(struct fb_info *info);
+
+vd_init_t vt_fb_init;
+vd_fini_t vt_fb_fini;
+vd_blank_t vt_fb_blank;
+vd_bitblt_text_t vt_fb_bitblt_text;
+vd_invalidate_text_t vt_fb_invalidate_text;
+vd_bitblt_bmp_t vt_fb_bitblt_bitmap;
+vd_drawrect_t vt_fb_drawrect;
+vd_setpixel_t vt_fb_setpixel;
+vd_postswitch_t vt_fb_postswitch;
+vd_fb_ioctl_t vt_fb_ioctl;
+vd_fb_mmap_t vt_fb_mmap;
+
+#endif /* _DEV_VT_HW_FB_VT_FB_H_ */
diff --git a/freebsd/sys/dev/vt/vt.h b/freebsd/sys/dev/vt/vt.h
new file mode 100644
index 00000000..34d4c228
--- /dev/null
+++ b/freebsd/sys/dev/vt/vt.h
@@ -0,0 +1,474 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2009, 2013 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Ed Schouten under sponsorship from the
+ * FreeBSD Foundation.
+ *
+ * Portions of this software were developed by Oleksandr Rybalko
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * 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.
+ * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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_VT_VT_H_
+#define _DEV_VT_VT_H_
+
+#include <sys/param.h>
+#include <sys/_lock.h>
+#include <sys/_mutex.h>
+#include <sys/callout.h>
+#include <sys/condvar.h>
+#include <sys/conf.h>
+#include <sys/consio.h>
+#include <sys/kbio.h>
+#include <sys/mouse.h>
+#include <sys/terminal.h>
+#include <sys/sysctl.h>
+
+#include <rtems/bsd/local/opt_syscons.h>
+#include <rtems/bsd/local/opt_splash.h>
+
+#ifndef VT_MAXWINDOWS
+#ifdef MAXCONS
+#define VT_MAXWINDOWS MAXCONS
+#else
+#define VT_MAXWINDOWS 12
+#endif
+#endif
+
+#ifndef VT_ALT_TO_ESC_HACK
+#define VT_ALT_TO_ESC_HACK 1
+#endif
+
+#define VT_CONSWINDOW 0
+
+#if defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE)
+#define VT_MOUSE_PASTEBUTTON MOUSE_BUTTON3DOWN /* right button */
+#define VT_MOUSE_EXTENDBUTTON MOUSE_BUTTON2DOWN /* not really used */
+#else
+#define VT_MOUSE_PASTEBUTTON MOUSE_BUTTON2DOWN /* middle button */
+#define VT_MOUSE_EXTENDBUTTON MOUSE_BUTTON3DOWN /* right button */
+#endif /* defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE) */
+
+#define SC_DRIVER_NAME "vt"
+#ifdef VT_DEBUG
+#define DPRINTF(_l, ...) if (vt_debug > (_l)) printf( __VA_ARGS__ )
+#define VT_CONSOLECTL_DEBUG
+#define VT_SYSMOUSE_DEBUG
+#else
+#define DPRINTF(_l, ...) do {} while (0)
+#endif
+#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
+
+#define VT_SYSCTL_INT(_name, _default, _descr) \
+int vt_##_name = (_default); \
+SYSCTL_INT(_kern_vt, OID_AUTO, _name, CTLFLAG_RWTUN, &vt_##_name, 0, _descr)
+
+struct vt_driver;
+
+void vt_allocate(const struct vt_driver *, void *);
+void vt_deallocate(const struct vt_driver *, void *);
+
+typedef unsigned int vt_axis_t;
+
+/*
+ * List of locks
+ * (d) locked by vd_lock
+ * (b) locked by vb_lock
+ * (G) locked by Giant
+ * (u) unlocked, locked by higher levels
+ * (c) const until freeing
+ * (?) yet to be determined
+ */
+
+/*
+ * Per-device datastructure.
+ */
+
+#ifndef SC_NO_CUTPASTE
+struct vt_mouse_cursor;
+#endif
+
+struct vt_pastebuf {
+ term_char_t *vpb_buf; /* Copy-paste buffer. */
+ unsigned int vpb_bufsz; /* Buffer size. */
+ unsigned int vpb_len; /* Length of a last selection. */
+};
+
+struct vt_device {
+ struct vt_window *vd_windows[VT_MAXWINDOWS]; /* (c) Windows. */
+ struct vt_window *vd_curwindow; /* (d) Current window. */
+ struct vt_window *vd_savedwindow;/* (?) Saved for suspend. */
+ struct vt_pastebuf vd_pastebuf; /* (?) Copy/paste buf. */
+ const struct vt_driver *vd_driver; /* (c) Graphics driver. */
+ void *vd_softc; /* (u) Driver data. */
+ const struct vt_driver *vd_prev_driver;/* (?) Previous driver. */
+ void *vd_prev_softc; /* (?) Previous driver data. */
+ device_t vd_video_dev; /* (?) Video adapter. */
+#ifndef SC_NO_CUTPASTE
+ struct vt_mouse_cursor *vd_mcursor; /* (?) Cursor bitmap. */
+ term_color_t vd_mcursor_fg; /* (?) Cursor fg color. */
+ term_color_t vd_mcursor_bg; /* (?) Cursor bg color. */
+ vt_axis_t vd_mx_drawn; /* (?) Mouse X and Y */
+ vt_axis_t vd_my_drawn; /* as of last redraw. */
+ int vd_mshown; /* (?) Mouse shown during */
+#endif /* last redrawn. */
+ uint16_t vd_mx; /* (?) Current mouse X. */
+ uint16_t vd_my; /* (?) current mouse Y. */
+ uint32_t vd_mstate; /* (?) Mouse state. */
+ vt_axis_t vd_width; /* (?) Screen width. */
+ vt_axis_t vd_height; /* (?) Screen height. */
+ size_t vd_transpose; /* (?) Screen offset in FB */
+ struct mtx vd_lock; /* Per-device lock. */
+ struct cv vd_winswitch; /* (d) Window switch notify. */
+ struct callout vd_timer; /* (d) Display timer. */
+ volatile unsigned int vd_timer_armed;/* (?) Display timer started.*/
+ int vd_flags; /* (d) Device flags. */
+#define VDF_TEXTMODE 0x01 /* Do text mode rendering. */
+#define VDF_SPLASH 0x02 /* Splash screen active. */
+#define VDF_ASYNC 0x04 /* vt_timer() running. */
+#define VDF_INVALID 0x08 /* Entire screen should be re-rendered. */
+#define VDF_DEAD 0x10 /* Early probing found nothing. */
+#define VDF_INITIALIZED 0x20 /* vtterm_cnprobe already done. */
+#define VDF_MOUSECURSOR 0x40 /* Mouse cursor visible. */
+#define VDF_QUIET_BELL 0x80 /* Disable bell. */
+#define VDF_SUSPENDED 0x100 /* Device has been suspended. */
+#define VDF_DOWNGRADE 0x8000 /* The driver is being downgraded. */
+ int vd_keyboard; /* (G) Keyboard index. */
+ unsigned int vd_kbstate; /* (?) Device unit. */
+ unsigned int vd_unit; /* (c) Device unit. */
+ int vd_altbrk; /* (?) Alt break seq. state */
+ term_char_t *vd_drawn; /* (?) Most recent char drawn. */
+ term_color_t *vd_drawnfg; /* (?) Most recent fg color drawn. */
+ term_color_t *vd_drawnbg; /* (?) Most recent bg color drawn. */
+};
+
+#define VD_PASTEBUF(vd) ((vd)->vd_pastebuf.vpb_buf)
+#define VD_PASTEBUFSZ(vd) ((vd)->vd_pastebuf.vpb_bufsz)
+#define VD_PASTEBUFLEN(vd) ((vd)->vd_pastebuf.vpb_len)
+
+#define VT_LOCK(vd) mtx_lock(&(vd)->vd_lock)
+#define VT_UNLOCK(vd) mtx_unlock(&(vd)->vd_lock)
+#define VT_LOCK_ASSERT(vd, what) mtx_assert(&(vd)->vd_lock, what)
+
+void vt_resume(struct vt_device *vd);
+void vt_resume_flush_timer(struct vt_window *vw, int ms);
+void vt_suspend(struct vt_device *vd);
+
+/*
+ * Per-window terminal screen buffer.
+ *
+ * Because redrawing is performed asynchronously, the buffer keeps track
+ * of a rectangle that needs to be redrawn (vb_dirtyrect). Because this
+ * approach seemed to cause suboptimal performance (when the top left
+ * and the bottom right of the screen are modified), it also uses a set
+ * of bitmasks to keep track of the rows and columns (mod 64) that have
+ * been modified.
+ */
+
+struct vt_buf {
+ struct mtx vb_lock; /* Buffer lock. */
+ term_pos_t vb_scr_size; /* (b) Screen dimensions. */
+ int vb_flags; /* (b) Flags. */
+#define VBF_CURSOR 0x1 /* Cursor visible. */
+#define VBF_STATIC 0x2 /* Buffer is statically allocated. */
+#define VBF_MTX_INIT 0x4 /* Mutex initialized. */
+#define VBF_SCROLL 0x8 /* scroll locked mode. */
+#define VBF_HISTORY_FULL 0x10 /* All rows filled. */
+ unsigned int vb_history_size;
+ unsigned int vb_roffset; /* (b) History rows offset. */
+ unsigned int vb_curroffset; /* (b) Saved rows offset. */
+ term_pos_t vb_cursor; /* (u) Cursor position. */
+ term_pos_t vb_mark_start; /* (b) Copy region start. */
+ term_pos_t vb_mark_end; /* (b) Copy region end. */
+ int vb_mark_last; /* Last mouse event. */
+ term_rect_t vb_dirtyrect; /* (b) Dirty rectangle. */
+ term_char_t *vb_buffer; /* (u) Data buffer. */
+ term_char_t **vb_rows; /* (u) Array of rows */
+};
+
+#ifdef SC_HISTORY_SIZE
+#define VBF_DEFAULT_HISTORY_SIZE SC_HISTORY_SIZE
+#else
+#define VBF_DEFAULT_HISTORY_SIZE 500
+#endif
+
+void vtbuf_lock(struct vt_buf *);
+void vtbuf_unlock(struct vt_buf *);
+void vtbuf_copy(struct vt_buf *, const term_rect_t *, const term_pos_t *);
+void vtbuf_fill(struct vt_buf *, const term_rect_t *, term_char_t);
+void vtbuf_init_early(struct vt_buf *);
+void vtbuf_init(struct vt_buf *, const term_pos_t *);
+void vtbuf_grow(struct vt_buf *, const term_pos_t *, unsigned int);
+void vtbuf_putchar(struct vt_buf *, const term_pos_t *, term_char_t);
+void vtbuf_cursor_position(struct vt_buf *, const term_pos_t *);
+void vtbuf_scroll_mode(struct vt_buf *vb, int yes);
+void vtbuf_dirty(struct vt_buf *vb, const term_rect_t *area);
+void vtbuf_undirty(struct vt_buf *, term_rect_t *);
+void vtbuf_sethistory_size(struct vt_buf *, unsigned int);
+int vtbuf_iscursor(const struct vt_buf *vb, int row, int col);
+void vtbuf_cursor_visibility(struct vt_buf *, int);
+#ifndef SC_NO_CUTPASTE
+int vtbuf_set_mark(struct vt_buf *vb, int type, int col, int row);
+int vtbuf_get_marked_len(struct vt_buf *vb);
+void vtbuf_extract_marked(struct vt_buf *vb, term_char_t *buf, int sz);
+#endif
+
+#define VTB_MARK_NONE 0
+#define VTB_MARK_END 1
+#define VTB_MARK_START 2
+#define VTB_MARK_WORD 3
+#define VTB_MARK_ROW 4
+#define VTB_MARK_EXTEND 5
+#define VTB_MARK_MOVE 6
+
+#define VTBUF_SLCK_ENABLE(vb) vtbuf_scroll_mode((vb), 1)
+#define VTBUF_SLCK_DISABLE(vb) vtbuf_scroll_mode((vb), 0)
+
+#define VTBUF_MAX_HEIGHT(vb) \
+ ((vb)->vb_history_size)
+#define VTBUF_GET_ROW(vb, r) \
+ ((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)])
+#define VTBUF_GET_FIELD(vb, r, c) \
+ ((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
+#define VTBUF_FIELD(vb, r, c) \
+ ((vb)->vb_rows[((vb)->vb_curroffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
+#define VTBUF_ISCURSOR(vb, r, c) \
+ vtbuf_iscursor((vb), (r), (c))
+#define VTBUF_DIRTYROW(mask, row) \
+ ((mask)->vbm_row & ((uint64_t)1 << ((row) % 64)))
+#define VTBUF_DIRTYCOL(mask, col) \
+ ((mask)->vbm_col & ((uint64_t)1 << ((col) % 64)))
+#define VTBUF_SPACE_CHAR(attr) (' ' | (attr))
+
+#define VHS_SET 0
+#define VHS_CUR 1
+#define VHS_END 2
+int vthistory_seek(struct vt_buf *, int offset, int whence);
+void vthistory_addlines(struct vt_buf *vb, int offset);
+void vthistory_getpos(const struct vt_buf *, unsigned int *offset);
+
+/*
+ * Per-window datastructure.
+ */
+
+struct vt_window {
+ struct vt_device *vw_device; /* (c) Device. */
+ struct terminal *vw_terminal; /* (c) Terminal. */
+ struct vt_buf vw_buf; /* (u) Screen buffer. */
+ struct vt_font *vw_font; /* (d) Graphical font. */
+ term_rect_t vw_draw_area; /* (?) Drawable area. */
+ unsigned int vw_number; /* (c) Window number. */
+ int vw_kbdmode; /* (?) Keyboard mode. */
+ int vw_prev_kbdmode;/* (?) Previous mode. */
+ int vw_kbdstate; /* (?) Keyboard state. */
+ int vw_grabbed; /* (?) Grab count. */
+ char *vw_kbdsq; /* Escape sequence queue*/
+ unsigned int vw_flags; /* (d) Per-window flags. */
+ int vw_mouse_level;/* Mouse op mode. */
+#define VWF_BUSY 0x1 /* Busy reconfiguring device. */
+#define VWF_OPENED 0x2 /* TTY in use. */
+#define VWF_SCROLL 0x4 /* Keys influence scrollback. */
+#define VWF_CONSOLE 0x8 /* Kernel message console window. */
+#define VWF_VTYLOCK 0x10 /* Prevent window switch. */
+#define VWF_MOUSE_HIDE 0x20 /* Disable mouse events processing. */
+#define VWF_READY 0x40 /* Window fully initialized. */
+#define VWF_GRAPHICS 0x80 /* Window in graphics mode (KDSETMODE). */
+#define VWF_SWWAIT_REL 0x10000 /* Program wait for VT acquire is done. */
+#define VWF_SWWAIT_ACQ 0x20000 /* Program wait for VT release is done. */
+ pid_t vw_pid; /* Terminal holding process */
+ struct proc *vw_proc;
+ struct vt_mode vw_smode; /* switch mode */
+ struct callout vw_proc_dead_timer;
+ struct vt_window *vw_switch_to;
+};
+
+#define VT_AUTO 0 /* switching is automatic */
+#define VT_PROCESS 1 /* switching controlled by prog */
+#define VT_KERNEL 255 /* switching controlled in kernel */
+
+#define IS_VT_PROC_MODE(vw) ((vw)->vw_smode.mode == VT_PROCESS)
+
+/*
+ * Per-device driver routines.
+ */
+
+typedef int vd_init_t(struct vt_device *vd);
+typedef int vd_probe_t(struct vt_device *vd);
+typedef void vd_fini_t(struct vt_device *vd, void *softc);
+typedef void vd_postswitch_t(struct vt_device *vd);
+typedef void vd_blank_t(struct vt_device *vd, term_color_t color);
+typedef void vd_bitblt_text_t(struct vt_device *vd, const struct vt_window *vw,
+ const term_rect_t *area);
+typedef void vd_invalidate_text_t(struct vt_device *vd,
+ const term_rect_t *area);
+typedef void vd_bitblt_bmp_t(struct vt_device *vd, const struct vt_window *vw,
+ const uint8_t *pattern, const uint8_t *mask,
+ unsigned int width, unsigned int height,
+ unsigned int x, unsigned int y, term_color_t fg, term_color_t bg);
+typedef int vd_fb_ioctl_t(struct vt_device *, u_long, caddr_t, struct thread *);
+typedef int vd_fb_mmap_t(struct vt_device *, vm_ooffset_t, vm_paddr_t *, int,
+ vm_memattr_t *);
+typedef void vd_drawrect_t(struct vt_device *, int, int, int, int, int,
+ term_color_t);
+typedef void vd_setpixel_t(struct vt_device *, int, int, term_color_t);
+typedef void vd_suspend_t(struct vt_device *);
+typedef void vd_resume_t(struct vt_device *);
+
+struct vt_driver {
+ char vd_name[16];
+ /* Console attachment. */
+ vd_probe_t *vd_probe;
+ vd_init_t *vd_init;
+ vd_fini_t *vd_fini;
+
+ /* Drawing. */
+ vd_blank_t *vd_blank;
+ vd_drawrect_t *vd_drawrect;
+ vd_setpixel_t *vd_setpixel;
+ vd_bitblt_text_t *vd_bitblt_text;
+ vd_invalidate_text_t *vd_invalidate_text;
+ vd_bitblt_bmp_t *vd_bitblt_bmp;
+
+ /* Framebuffer ioctls, if present. */
+ vd_fb_ioctl_t *vd_fb_ioctl;
+
+ /* Framebuffer mmap, if present. */
+ vd_fb_mmap_t *vd_fb_mmap;
+
+ /* Update display setting on vt switch. */
+ vd_postswitch_t *vd_postswitch;
+
+ /* Suspend/resume handlers. */
+ vd_suspend_t *vd_suspend;
+ vd_resume_t *vd_resume;
+
+ /* Priority to know which one can override */
+ int vd_priority;
+#define VD_PRIORITY_DUMB 10
+#define VD_PRIORITY_GENERIC 100
+#define VD_PRIORITY_SPECIFIC 1000
+};
+
+/*
+ * Console device madness.
+ *
+ * Utility macro to make early vt(4) instances work.
+ */
+
+extern struct vt_device vt_consdev;
+extern struct terminal vt_consterm;
+extern const struct terminal_class vt_termclass;
+void vt_upgrade(struct vt_device *vd);
+
+#define PIXEL_WIDTH(w) ((w) / 8)
+#define PIXEL_HEIGHT(h) ((h) / 16)
+
+#ifndef VT_FB_MAX_WIDTH
+#define VT_FB_MAX_WIDTH 4096
+#endif
+#ifndef VT_FB_MAX_HEIGHT
+#define VT_FB_MAX_HEIGHT 2400
+#endif
+
+/* name argument is not used yet. */
+#define VT_DRIVER_DECLARE(name, drv) DATA_SET(vt_drv_set, drv)
+
+/*
+ * Fonts.
+ *
+ * Remapping tables are used to map Unicode points to glyphs. They need
+ * to be sorted, because vtfont_lookup() performs a binary search. Each
+ * font has two remapping tables, for normal and bold. When a character
+ * is not present in bold, it uses a normal glyph. When no glyph is
+ * available, it uses glyph 0, which is normally equal to U+FFFD.
+ */
+
+struct vt_font_map {
+ uint32_t vfm_src;
+ uint16_t vfm_dst;
+ uint16_t vfm_len;
+};
+
+struct vt_font {
+ struct vt_font_map *vf_map[VFNT_MAPS];
+ uint8_t *vf_bytes;
+ unsigned int vf_height, vf_width;
+ unsigned int vf_map_count[VFNT_MAPS];
+ unsigned int vf_refcount;
+};
+
+#ifndef SC_NO_CUTPASTE
+struct vt_mouse_cursor {
+ uint8_t map[64 * 64 / 8];
+ uint8_t mask[64 * 64 / 8];
+ uint8_t width;
+ uint8_t height;
+};
+#endif
+
+const uint8_t *vtfont_lookup(const struct vt_font *vf, term_char_t c);
+struct vt_font *vtfont_ref(struct vt_font *vf);
+void vtfont_unref(struct vt_font *vf);
+int vtfont_load(vfnt_t *f, struct vt_font **ret);
+
+/* Sysmouse. */
+void sysmouse_process_event(mouse_info_t *mi);
+#ifndef SC_NO_CUTPASTE
+void vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel);
+void vt_mouse_state(int show);
+#endif
+#define VT_MOUSE_SHOW 1
+#define VT_MOUSE_HIDE 0
+
+/* Utilities. */
+void vt_compute_drawable_area(struct vt_window *);
+void vt_determine_colors(term_char_t c, int cursor,
+ term_color_t *fg, term_color_t *bg);
+int vt_is_cursor_in_area(const struct vt_device *vd,
+ const term_rect_t *area);
+void vt_termsize(struct vt_device *, struct vt_font *, term_pos_t *);
+void vt_winsize(struct vt_device *, struct vt_font *, struct winsize *);
+
+/* Logos-on-boot. */
+#define VT_LOGOS_DRAW_BEASTIE 0
+#define VT_LOGOS_DRAW_ALT_BEASTIE 1
+#define VT_LOGOS_DRAW_ORB 2
+
+extern int vt_draw_logo_cpus;
+extern int vt_splash_cpu;
+extern int vt_splash_ncpu;
+extern int vt_splash_cpu_style;
+extern int vt_splash_cpu_duration;
+
+extern const unsigned int vt_logo_sprite_height;
+extern const unsigned int vt_logo_sprite_width;
+
+void vtterm_draw_cpu_logos(struct vt_device *);
+
+#endif /* !_DEV_VT_VT_H_ */
+