2 * Copyright (c) 2013 The FreeBSD Foundation
5 * This software was developed by Aleksandr Rybalko under sponsorship from the
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/malloc.h>
36 #include <sys/queue.h>
38 #include <dev/vt/vt.h>
39 #include <dev/vt/hw/fb/vt_fb.h>
40 #include <dev/vt/colors/vt_termcolors.h>
45 static struct vt_driver vt_fb_driver = {
47 .vd_init = vt_fb_init,
48 .vd_fini = vt_fb_fini,
49 .vd_blank = vt_fb_blank,
50 .vd_bitblt_text = vt_fb_bitblt_text,
51 .vd_bitblt_bmp = vt_fb_bitblt_bitmap,
52 .vd_drawrect = vt_fb_drawrect,
53 .vd_setpixel = vt_fb_setpixel,
54 .vd_postswitch = vt_fb_postswitch,
55 .vd_priority = VD_PRIORITY_GENERIC+10,
56 .vd_fb_ioctl = vt_fb_ioctl,
57 .vd_fb_mmap = vt_fb_mmap,
58 .vd_suspend = vt_fb_suspend,
59 .vd_resume = vt_fb_resume,
62 VT_DRIVER_DECLARE(vt_fb, vt_fb_driver);
65 vt_fb_mem_wr1(struct fb_info *sc, uint32_t o, uint8_t v)
68 KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
69 *(uint8_t *)(sc->fb_vbase + o) = v;
73 vt_fb_mem_wr2(struct fb_info *sc, uint32_t o, uint16_t v)
76 KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
77 *(uint16_t *)(sc->fb_vbase + o) = v;
81 vt_fb_mem_wr4(struct fb_info *sc, uint32_t o, uint32_t v)
84 KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
85 *(uint32_t *)(sc->fb_vbase + o) = v;
89 vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data, struct thread *td)
98 bcopy(info, (struct fbtype *)data, sizeof(struct fbtype));
101 case FBIO_GETWINORG: /* get frame buffer window origin */
105 case FBIO_GETDISPSTART: /* get display start address */
106 ((video_display_start_t *)data)->x = 0;
107 ((video_display_start_t *)data)->y = 0;
110 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
111 *(u_int *)data = info->fb_stride;
114 case FBIO_BLANK: /* blank display */
115 if (vd->vd_driver->vd_blank == NULL)
117 vd->vd_driver->vd_blank(vd, TC_BLACK);
129 vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset, vm_paddr_t *paddr,
130 int prot, vm_memattr_t *memattr)
132 struct fb_info *info;
136 if (info->fb_flags & FB_FLAG_NOMMAP)
139 if (offset >= 0 && offset < info->fb_size) {
140 if (info->fb_pbase == 0) {
141 *paddr = vtophys((uint8_t *)info->fb_vbase + offset);
143 *paddr = info->fb_pbase + offset;
144 #ifdef VM_MEMATTR_WRITE_COMBINING
145 *memattr = VM_MEMATTR_WRITE_COMBINING;
155 vt_fb_setpixel(struct vt_device *vd, int x, int y, term_color_t color)
157 struct fb_info *info;
162 c = info->fb_cmap[color];
163 o = info->fb_stride * y + x * FBTYPE_GET_BYTESPP(info);
165 if (info->fb_flags & FB_FLAG_NOWRITE)
168 KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
170 switch (FBTYPE_GET_BYTESPP(info)) {
172 vt_fb_mem_wr1(info, o, c);
175 vt_fb_mem_wr2(info, o, c);
178 vt_fb_mem_wr1(info, o, (c >> 16) & 0xff);
179 vt_fb_mem_wr1(info, o + 1, (c >> 8) & 0xff);
180 vt_fb_mem_wr1(info, o + 2, c & 0xff);
183 vt_fb_mem_wr4(info, o, c);
192 vt_fb_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2, int fill,
197 for (y = y1; y <= y2; y++) {
198 if (fill || (y == y1) || (y == y2)) {
199 for (x = x1; x <= x2; x++)
200 vt_fb_setpixel(vd, x, y, color);
202 vt_fb_setpixel(vd, x1, y, color);
203 vt_fb_setpixel(vd, x2, y, color);
209 vt_fb_blank(struct vt_device *vd, term_color_t color)
211 struct fb_info *info;
216 c = info->fb_cmap[color];
218 if (info->fb_flags & FB_FLAG_NOWRITE)
221 KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
223 switch (FBTYPE_GET_BYTESPP(info)) {
225 for (h = 0; h < info->fb_height; h++)
226 for (o = 0; o < info->fb_stride; o++)
227 vt_fb_mem_wr1(info, h*info->fb_stride + o, c);
230 for (h = 0; h < info->fb_height; h++)
231 for (o = 0; o < info->fb_stride; o += 2)
232 vt_fb_mem_wr2(info, h*info->fb_stride + o, c);
235 for (h = 0; h < info->fb_height; h++)
236 for (o = 0; o < info->fb_stride; o += 3) {
237 vt_fb_mem_wr1(info, h*info->fb_stride + o,
239 vt_fb_mem_wr1(info, h*info->fb_stride + o + 1,
241 vt_fb_mem_wr1(info, h*info->fb_stride + o + 2,
246 for (h = 0; h < info->fb_height; h++)
247 for (o = 0; o < info->fb_stride; o += 4)
248 vt_fb_mem_wr4(info, h*info->fb_stride + o, c);
257 vt_fb_bitblt_bitmap(struct vt_device *vd, const struct vt_window *vw,
258 const uint8_t *pattern, const uint8_t *mask,
259 unsigned int width, unsigned int height,
260 unsigned int x, unsigned int y, term_color_t fg, term_color_t bg)
262 struct fb_info *info;
263 uint32_t fgc, bgc, cc, o;
264 int bpp, bpl, xi, yi;
268 bpp = FBTYPE_GET_BYTESPP(info);
269 fgc = info->fb_cmap[fg];
270 bgc = info->fb_cmap[bg];
271 bpl = (width + 7) / 8; /* Bytes per source line. */
273 if (info->fb_flags & FB_FLAG_NOWRITE)
276 KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
278 /* Bound by right and bottom edges. */
279 if (y + height > vw->vw_draw_area.tr_end.tp_row) {
280 if (y >= vw->vw_draw_area.tr_end.tp_row)
282 height = vw->vw_draw_area.tr_end.tp_row - y;
284 if (x + width > vw->vw_draw_area.tr_end.tp_col) {
285 if (x >= vw->vw_draw_area.tr_end.tp_col)
287 width = vw->vw_draw_area.tr_end.tp_col - x;
289 for (yi = 0; yi < height; yi++) {
290 for (xi = 0; xi < width; xi++) {
291 byte = yi * bpl + xi / 8;
292 bit = 0x80 >> (xi % 8);
293 /* Skip pixel write, if mask bit not set. */
294 if (mask != NULL && (mask[byte] & bit) == 0)
296 o = (y + yi) * info->fb_stride + (x + xi) * bpp;
297 o += vd->vd_transpose;
298 cc = pattern[byte] & bit ? fgc : bgc;
302 vt_fb_mem_wr1(info, o, cc);
305 vt_fb_mem_wr2(info, o, cc);
308 /* Packed mode, so unaligned. Byte access. */
309 vt_fb_mem_wr1(info, o, (cc >> 16) & 0xff);
310 vt_fb_mem_wr1(info, o + 1, (cc >> 8) & 0xff);
311 vt_fb_mem_wr1(info, o + 2, cc & 0xff);
314 vt_fb_mem_wr4(info, o, cc);
325 vt_fb_bitblt_text(struct vt_device *vd, const struct vt_window *vw,
326 const term_rect_t *area)
328 unsigned int col, row, x, y;
332 const uint8_t *pattern;
336 for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
337 for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col;
339 x = col * vf->vf_width +
340 vw->vw_draw_area.tr_begin.tp_col;
341 y = row * vf->vf_height +
342 vw->vw_draw_area.tr_begin.tp_row;
344 c = VTBUF_GET_FIELD(&vw->vw_buf, row, col);
345 pattern = vtfont_lookup(vf, c);
346 vt_determine_colors(c,
347 VTBUF_ISCURSOR(&vw->vw_buf, row, col), &fg, &bg);
349 vt_fb_bitblt_bitmap(vd, vw,
350 pattern, NULL, vf->vf_width, vf->vf_height,
355 #ifndef SC_NO_CUTPASTE
359 term_rect_t drawn_area;
361 drawn_area.tr_begin.tp_col = area->tr_begin.tp_col * vf->vf_width;
362 drawn_area.tr_begin.tp_row = area->tr_begin.tp_row * vf->vf_height;
363 drawn_area.tr_end.tp_col = area->tr_end.tp_col * vf->vf_width;
364 drawn_area.tr_end.tp_row = area->tr_end.tp_row * vf->vf_height;
366 if (vt_is_cursor_in_area(vd, &drawn_area)) {
367 vt_fb_bitblt_bitmap(vd, vw,
368 vd->vd_mcursor->map, vd->vd_mcursor->mask,
369 vd->vd_mcursor->width, vd->vd_mcursor->height,
370 vd->vd_mx_drawn + vw->vw_draw_area.tr_begin.tp_col,
371 vd->vd_my_drawn + vw->vw_draw_area.tr_begin.tp_row,
372 vd->vd_mcursor_fg, vd->vd_mcursor_bg);
378 vt_fb_postswitch(struct vt_device *vd)
380 struct fb_info *info;
384 if (info->enter != NULL)
385 info->enter(info->fb_priv);
389 vt_fb_init_cmap(uint32_t *cmap, int depth)
394 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
395 0x7, 5, 0x7, 2, 0x3, 0));
397 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
398 0x1f, 10, 0x1f, 5, 0x1f, 0));
400 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
401 0x1f, 11, 0x3f, 5, 0x1f, 0));
403 case 32: /* Ignore alpha. */
404 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
405 0xff, 16, 0xff, 8, 0xff, 0));
412 vt_fb_init(struct vt_device *vd)
414 struct fb_info *info;
419 vd->vd_height = MIN(VT_FB_MAX_HEIGHT, info->fb_height);
420 margin = (info->fb_height - vd->vd_height) >> 1;
421 vd->vd_transpose = margin * info->fb_stride;
422 vd->vd_width = MIN(VT_FB_MAX_WIDTH, info->fb_width);
423 margin = (info->fb_width - vd->vd_width) >> 1;
424 vd->vd_transpose += margin * (info->fb_bpp / NBBY);
425 vd->vd_video_dev = info->fb_video_dev;
427 if (info->fb_size == 0)
430 if (info->fb_pbase == 0 && info->fb_vbase == 0)
431 info->fb_flags |= FB_FLAG_NOMMAP;
433 if (info->fb_cmsize <= 0) {
434 err = vt_fb_init_cmap(info->fb_cmap, FBTYPE_GET_BPP(info));
437 info->fb_cmsize = 16;
440 /* Clear the screen. */
441 vd->vd_driver->vd_blank(vd, TC_BLACK);
443 /* Wakeup screen. KMS need this. */
444 vt_fb_postswitch(vd);
446 return (CN_INTERNAL);
450 vt_fb_fini(struct vt_device *vd, void *softc)
453 vd->vd_video_dev = NULL;
457 vt_fb_attach(struct fb_info *info)
460 vt_allocate(&vt_fb_driver, info);
466 vt_fb_detach(struct fb_info *info)
469 vt_deallocate(&vt_fb_driver, info);
475 vt_fb_suspend(struct vt_device *vd)
482 vt_fb_resume(struct vt_device *vd)