2 * Copyright (c) 2009, 2013 The FreeBSD Foundation
5 * This software was developed by Ed Schouten under sponsorship from the
8 * Portions of this software were developed by Oleksandr Rybalko
9 * under sponsorship from the FreeBSD Foundation.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 #include <sys/param.h>
39 #include <sys/_lock.h>
40 #include <sys/_mutex.h>
41 #include <sys/callout.h>
42 #include <sys/condvar.h>
44 #include <sys/consio.h>
46 #include <sys/mouse.h>
47 #include <sys/terminal.h>
48 #include <sys/sysctl.h>
50 #include "opt_syscons.h"
51 #include "opt_splash.h"
55 #define VT_MAXWINDOWS MAXCONS
57 #define VT_MAXWINDOWS 12
61 #ifndef VT_ALT_TO_ESC_HACK
62 #define VT_ALT_TO_ESC_HACK 1
65 #define VT_CONSWINDOW 0
67 #if defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE)
68 #define VT_MOUSE_PASTEBUTTON MOUSE_BUTTON3DOWN /* right button */
69 #define VT_MOUSE_EXTENDBUTTON MOUSE_BUTTON2DOWN /* not really used */
71 #define VT_MOUSE_PASTEBUTTON MOUSE_BUTTON2DOWN /* middle button */
72 #define VT_MOUSE_EXTENDBUTTON MOUSE_BUTTON3DOWN /* right button */
73 #endif /* defined(SC_TWOBUTTON_MOUSE) || defined(VT_TWOBUTTON_MOUSE) */
75 #define SC_DRIVER_NAME "vt"
77 #define DPRINTF(_l, ...) if (vt_debug > (_l)) printf( __VA_ARGS__ )
78 #define VT_CONSOLECTL_DEBUG
79 #define VT_SYSMOUSE_DEBUG
81 #define DPRINTF(_l, ...) do {} while (0)
83 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
85 #define VT_SYSCTL_INT(_name, _default, _descr) \
86 static int vt_##_name = _default; \
87 SYSCTL_INT(_kern_vt, OID_AUTO, _name, CTLFLAG_RW, &vt_##_name, _default,\
89 TUNABLE_INT("kern.vt." #_name, &vt_##_name);
93 void vt_allocate(struct vt_driver *, void *);
95 void vt_suspend(void);
97 typedef unsigned int vt_axis_t;
101 * (d) locked by vd_lock
102 * (b) locked by vb_lock
103 * (G) locked by Giant
104 * (u) unlocked, locked by higher levels
105 * (c) const until freeing
106 * (?) yet to be determined
110 * Per-device datastructure.
114 struct vt_window *vd_windows[VT_MAXWINDOWS]; /* (c) Windows. */
115 struct vt_window *vd_curwindow; /* (d) Current window. */
116 struct vt_window *vd_savedwindow;/* (?) Saved for suspend. */
117 struct vt_window *vd_markedwin; /* (?) Copy/paste buf owner. */
118 const struct vt_driver *vd_driver; /* (c) Graphics driver. */
119 void *vd_softc; /* (u) Driver data. */
120 uint16_t vd_mx; /* (?) Current mouse X. */
121 uint16_t vd_my; /* (?) current mouse Y. */
122 vt_axis_t vd_moldx; /* (?) Mouse X as of last redraw. */
123 vt_axis_t vd_moldy; /* (?) Mouse Y as of last redraw. */
124 uint32_t vd_mstate; /* (?) Mouse state. */
125 term_pos_t vd_offset; /* (?) Pixel offset. */
126 vt_axis_t vd_width; /* (?) Screen width. */
127 vt_axis_t vd_height; /* (?) Screen height. */
128 struct mtx vd_lock; /* Per-device lock. */
129 struct cv vd_winswitch; /* (d) Window switch notify. */
130 struct callout vd_timer; /* (d) Display timer. */
131 int vd_flags; /* (d) Device flags. */
132 #define VDF_TEXTMODE 0x01 /* Do text mode rendering. */
133 #define VDF_SPLASH 0x02 /* Splash screen active. */
134 #define VDF_ASYNC 0x04 /* vt_timer() running. */
135 #define VDF_INVALID 0x08 /* Entire screen should be re-rendered. */
136 #define VDF_DEAD 0x10 /* Early probing found nothing. */
137 #define VDF_INITIALIZED 0x20 /* vtterm_cnprobe already done. */
138 #define VDF_MOUSECURSOR 0x40 /* Mouse cursor visible. */
139 #define VDF_QUIET_BELL 0x80 /* Disable bell. */
140 int vd_keyboard; /* (G) Keyboard index. */
141 unsigned int vd_kbstate; /* (?) Device unit. */
142 unsigned int vd_unit; /* (c) Device unit. */
146 * Per-window terminal screen buffer.
148 * Because redrawing is performed asynchronously, the buffer keeps track
149 * of a rectangle that needs to be redrawn (vb_dirtyrect). Because this
150 * approach seemed to cause suboptimal performance (when the top left
151 * and the bottom right of the screen are modified), it also uses a set
152 * of bitmasks to keep track of the rows and columns (mod 64) that have
157 uint64_t vbm_row, vbm_col;
158 #define VBM_DIRTY UINT64_MAX
162 struct mtx vb_lock; /* Buffer lock. */
163 term_pos_t vb_scr_size; /* (b) Screen dimensions. */
164 int vb_flags; /* (b) Flags. */
165 #define VBF_CURSOR 0x1 /* Cursor visible. */
166 #define VBF_STATIC 0x2 /* Buffer is statically allocated. */
167 #define VBF_MTX_INIT 0x4 /* Mutex initialized. */
168 #define VBF_SCROLL 0x8 /* scroll locked mode. */
169 #define VBF_HISTORY_FULL 0x10 /* All rows filled. */
171 #define VBF_DEFAULT_HISTORY_SIZE 500
172 int vb_roffset; /* (b) History rows offset. */
173 int vb_curroffset; /* (b) Saved rows offset. */
174 term_pos_t vb_cursor; /* (u) Cursor position. */
175 term_pos_t vb_mark_start; /* (b) Copy region start. */
176 term_pos_t vb_mark_end; /* (b) Copy region end. */
177 int vb_mark_last; /* Last mouse event. */
178 term_rect_t vb_dirtyrect; /* (b) Dirty rectangle. */
179 struct vt_bufmask vb_dirtymask; /* (b) Dirty bitmasks. */
180 term_char_t *vb_buffer; /* (u) Data buffer. */
181 term_char_t **vb_rows; /* (u) Array of rows */
184 void vtbuf_copy(struct vt_buf *, const term_rect_t *, const term_pos_t *);
185 void vtbuf_fill_locked(struct vt_buf *, const term_rect_t *, term_char_t);
186 void vtbuf_init_early(struct vt_buf *);
187 void vtbuf_init(struct vt_buf *, const term_pos_t *);
188 void vtbuf_grow(struct vt_buf *, const term_pos_t *, int);
189 void vtbuf_putchar(struct vt_buf *, const term_pos_t *, term_char_t);
190 void vtbuf_cursor_position(struct vt_buf *, const term_pos_t *);
191 void vtbuf_scroll_mode(struct vt_buf *vb, int yes);
192 void vtbuf_undirty(struct vt_buf *, term_rect_t *, struct vt_bufmask *);
193 void vtbuf_sethistory_size(struct vt_buf *, int);
194 int vtbuf_iscursor(struct vt_buf *vb, int row, int col);
195 void vtbuf_cursor_visibility(struct vt_buf *, int);
196 #ifndef SC_NO_CUTPASTE
197 void vtbuf_mouse_cursor_position(struct vt_buf *vb, int col, int row);
198 int vtbuf_set_mark(struct vt_buf *vb, int type, int col, int row);
199 int vtbuf_get_marked_len(struct vt_buf *vb);
200 void vtbuf_extract_marked(struct vt_buf *vb, term_char_t *buf, int sz);
203 #define VTB_MARK_NONE 0
204 #define VTB_MARK_END 1
205 #define VTB_MARK_START 2
206 #define VTB_MARK_WORD 3
207 #define VTB_MARK_ROW 4
208 #define VTB_MARK_EXTEND 5
209 #define VTB_MARK_MOVE 6
211 #define VTBUF_SLCK_ENABLE(vb) vtbuf_scroll_mode((vb), 1)
212 #define VTBUF_SLCK_DISABLE(vb) vtbuf_scroll_mode((vb), 0)
214 #define VTBUF_MAX_HEIGHT(vb) \
215 ((vb)->vb_history_size)
216 #define VTBUF_GET_ROW(vb, r) \
217 ((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)])
218 #define VTBUF_GET_FIELD(vb, r, c) \
219 ((vb)->vb_rows[((vb)->vb_roffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
220 #define VTBUF_FIELD(vb, r, c) \
221 ((vb)->vb_rows[((vb)->vb_curroffset + (r)) % VTBUF_MAX_HEIGHT(vb)][(c)])
222 #define VTBUF_ISCURSOR(vb, r, c) \
223 vtbuf_iscursor((vb), (r), (c))
224 #define VTBUF_DIRTYROW(mask, row) \
225 ((mask)->vbm_row & ((uint64_t)1 << ((row) % 64)))
226 #define VTBUF_DIRTYCOL(mask, col) \
227 ((mask)->vbm_col & ((uint64_t)1 << ((col) % 64)))
228 #define VTBUF_SPACE_CHAR(attr) (' ' | (attr))
233 int vthistory_seek(struct vt_buf *, int offset, int whence);
234 void vthistory_addlines(struct vt_buf *vb, int offset);
235 void vthistory_getpos(const struct vt_buf *, unsigned int *offset);
238 * Per-window datastructure.
242 struct vt_device *vw_device; /* (c) Device. */
243 struct terminal *vw_terminal; /* (c) Terminal. */
244 struct vt_buf vw_buf; /* (u) Screen buffer. */
245 struct vt_font *vw_font; /* (d) Graphical font. */
246 unsigned int vw_number; /* (c) Window number. */
247 int vw_kbdmode; /* (?) Keyboard mode. */
248 char *vw_kbdsq; /* Escape sequence queue*/
249 unsigned int vw_flags; /* (d) Per-window flags. */
250 int vw_mouse_level;/* Mouse op mode. */
251 #define VWF_BUSY 0x1 /* Busy reconfiguring device. */
252 #define VWF_OPENED 0x2 /* TTY in use. */
253 #define VWF_SCROLL 0x4 /* Keys influence scrollback. */
254 #define VWF_CONSOLE 0x8 /* Kernel message console window. */
255 #define VWF_VTYLOCK 0x10 /* Prevent window switch. */
256 #define VWF_MOUSE_HIDE 0x20 /* Disable mouse events processing. */
257 #define VWF_READY 0x40 /* Window fully initialized. */
258 #define VWF_SWWAIT_REL 0x10000 /* Program wait for VT acquire is done. */
259 #define VWF_SWWAIT_ACQ 0x20000 /* Program wait for VT release is done. */
260 pid_t vw_pid; /* Terminal holding process */
261 struct proc *vw_proc;
262 struct vt_mode vw_smode; /* switch mode */
263 struct callout vw_proc_dead_timer;
264 struct vt_window *vw_switch_to;
267 #define VT_AUTO 0 /* switching is automatic */
268 #define VT_PROCESS 1 /* switching controlled by prog */
269 #define VT_KERNEL 255 /* switching controlled in kernel */
271 #define IS_VT_PROC_MODE(vw) ((vw)->vw_smode.mode == VT_PROCESS)
274 * Per-device driver routines.
276 * vd_bitbltchr is used when the driver operates in graphics mode, while
277 * vd_putchar is used when the driver operates in text mode
281 typedef int vd_init_t(struct vt_device *vd);
282 typedef int vd_probe_t(struct vt_device *vd);
283 typedef void vd_postswitch_t(struct vt_device *vd);
284 typedef void vd_blank_t(struct vt_device *vd, term_color_t color);
285 typedef void vd_bitbltchr_t(struct vt_device *vd, const uint8_t *src,
286 const uint8_t *mask, int bpl, vt_axis_t top, vt_axis_t left,
287 unsigned int width, unsigned int height, term_color_t fg, term_color_t bg);
288 typedef void vd_maskbitbltchr_t(struct vt_device *vd, const uint8_t *src,
289 const uint8_t *mask, int bpl, vt_axis_t top, vt_axis_t left,
290 unsigned int width, unsigned int height, term_color_t fg, term_color_t bg);
291 typedef void vd_putchar_t(struct vt_device *vd, term_char_t,
292 vt_axis_t top, vt_axis_t left, term_color_t fg, term_color_t bg);
293 typedef int vd_fb_ioctl_t(struct vt_device *, u_long, caddr_t, struct thread *);
294 typedef int vd_fb_mmap_t(struct vt_device *, vm_ooffset_t, vm_paddr_t *, int,
296 typedef void vd_drawrect_t(struct vt_device *, int, int, int, int, int,
298 typedef void vd_setpixel_t(struct vt_device *, int, int, term_color_t);
302 /* Console attachment. */
303 vd_probe_t *vd_probe;
307 vd_blank_t *vd_blank;
308 vd_bitbltchr_t *vd_bitbltchr;
309 vd_maskbitbltchr_t *vd_maskbitbltchr;
310 vd_drawrect_t *vd_drawrect;
311 vd_setpixel_t *vd_setpixel;
313 /* Framebuffer ioctls, if present. */
314 vd_fb_ioctl_t *vd_fb_ioctl;
316 /* Framebuffer mmap, if present. */
317 vd_fb_mmap_t *vd_fb_mmap;
319 /* Text mode operation. */
320 vd_putchar_t *vd_putchar;
322 /* Update display setting on vt switch. */
323 vd_postswitch_t *vd_postswitch;
325 /* Priority to know which one can override */
327 #define VD_PRIORITY_DUMB 10
328 #define VD_PRIORITY_GENERIC 100
329 #define VD_PRIORITY_SPECIFIC 1000
333 * Console device madness.
335 * Utility macro to make early vt(4) instances work.
338 extern const struct terminal_class vt_termclass;
339 void vt_upgrade(struct vt_device *vd);
341 #define PIXEL_WIDTH(w) ((w) / 8)
342 #define PIXEL_HEIGHT(h) ((h) / 16)
344 #ifndef VT_FB_DEFAULT_WIDTH
345 #define VT_FB_DEFAULT_WIDTH 2048
347 #ifndef VT_FB_DEFAULT_HEIGHT
348 #define VT_FB_DEFAULT_HEIGHT 1200
351 /* name argument is not used yet. */
352 #define VT_DRIVER_DECLARE(name, drv) DATA_SET(vt_drv_set, drv)
357 * Remapping tables are used to map Unicode points to glyphs. They need
358 * to be sorted, because vtfont_lookup() performs a binary search. Each
359 * font has two remapping tables, for normal and bold. When a character
360 * is not present in bold, it uses a normal glyph. When no glyph is
361 * available, it uses glyph 0, which is normally equal to U+FFFD.
371 struct vt_font_map *vf_map[VFNT_MAPS];
373 unsigned int vf_height, vf_width;
374 unsigned int vf_map_count[VFNT_MAPS];
375 unsigned int vf_refcount;
378 #ifndef SC_NO_CUTPASTE
379 struct mouse_cursor {
380 uint8_t map[64 * 64 / 8];
381 uint8_t mask[64 * 64 / 8];
387 const uint8_t *vtfont_lookup(const struct vt_font *vf, term_char_t c);
388 struct vt_font *vtfont_ref(struct vt_font *vf);
389 void vtfont_unref(struct vt_font *vf);
390 int vtfont_load(vfnt_t *f, struct vt_font **ret);
393 void sysmouse_process_event(mouse_info_t *mi);
394 #ifndef SC_NO_CUTPASTE
395 void vt_mouse_event(int type, int x, int y, int event, int cnt, int mlevel);
396 void vt_mouse_state(int show);
398 #define VT_MOUSE_SHOW 1
399 #define VT_MOUSE_HIDE 0
401 #endif /* !_DEV_VT_VT_H_ */