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
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/malloc.h>
38 #include <sys/queue.h>
40 #include <dev/vt/vt.h>
41 #include <dev/vt/hw/fb/vt_fb.h>
42 #include <dev/vt/colors/vt_termcolors.h>
44 static struct vt_driver vt_fb_driver = {
46 .vd_init = vt_fb_init,
47 .vd_blank = vt_fb_blank,
48 .vd_bitblt_text = vt_fb_bitblt_text,
49 .vd_bitblt_bmp = vt_fb_bitblt_bitmap,
50 .vd_drawrect = vt_fb_drawrect,
51 .vd_setpixel = vt_fb_setpixel,
52 .vd_postswitch = vt_fb_postswitch,
53 .vd_priority = VD_PRIORITY_GENERIC+10,
54 .vd_fb_ioctl = vt_fb_ioctl,
55 .vd_fb_mmap = vt_fb_mmap,
56 .vd_suspend = vt_fb_suspend,
57 .vd_resume = vt_fb_resume,
60 VT_DRIVER_DECLARE(vt_fb, vt_fb_driver);
63 vt_fb_mem_wr1(struct fb_info *sc, uint32_t o, uint8_t v)
66 KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
67 *(uint8_t *)(sc->fb_vbase + o) = v;
71 vt_fb_mem_wr2(struct fb_info *sc, uint32_t o, uint16_t v)
74 KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
75 *(uint16_t *)(sc->fb_vbase + o) = v;
79 vt_fb_mem_wr4(struct fb_info *sc, uint32_t o, uint32_t v)
82 KASSERT((o < sc->fb_size), ("Offset %#08x out of fb size", o));
83 *(uint32_t *)(sc->fb_vbase + o) = v;
87 vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data, struct thread *td)
96 bcopy(info, (struct fbtype *)data, sizeof(struct fbtype));
99 case FBIO_GETWINORG: /* get frame buffer window origin */
103 case FBIO_GETDISPSTART: /* get display start address */
104 ((video_display_start_t *)data)->x = 0;
105 ((video_display_start_t *)data)->y = 0;
108 case FBIO_GETLINEWIDTH: /* get scan line width in bytes */
109 *(u_int *)data = info->fb_stride;
112 case FBIO_BLANK: /* blank display */
113 if (vd->vd_driver->vd_blank == NULL)
115 vd->vd_driver->vd_blank(vd, TC_BLACK);
127 vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset, vm_paddr_t *paddr,
128 int prot, vm_memattr_t *memattr)
130 struct fb_info *info;
134 if (info->fb_flags & FB_FLAG_NOMMAP)
137 if (offset >= 0 && offset < info->fb_size) {
138 *paddr = info->fb_pbase + offset;
139 #ifdef VM_MEMATTR_WRITE_COMBINING
140 *memattr = VM_MEMATTR_WRITE_COMBINING;
149 vt_fb_setpixel(struct vt_device *vd, int x, int y, term_color_t color)
151 struct fb_info *info;
156 c = info->fb_cmap[color];
157 o = info->fb_stride * y + x * FBTYPE_GET_BYTESPP(info);
159 KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
161 switch (FBTYPE_GET_BYTESPP(info)) {
163 vt_fb_mem_wr1(info, o, c);
166 vt_fb_mem_wr2(info, o, c);
169 vt_fb_mem_wr1(info, o, (c >> 16) & 0xff);
170 vt_fb_mem_wr1(info, o + 1, (c >> 8) & 0xff);
171 vt_fb_mem_wr1(info, o + 2, c & 0xff);
174 vt_fb_mem_wr4(info, o, c);
184 vt_fb_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2, int fill,
189 for (y = y1; y <= y2; y++) {
190 if (fill || (y == y1) || (y == y2)) {
191 for (x = x1; x <= x2; x++)
192 vt_fb_setpixel(vd, x, y, color);
194 vt_fb_setpixel(vd, x1, y, color);
195 vt_fb_setpixel(vd, x2, y, color);
201 vt_fb_blank(struct vt_device *vd, term_color_t color)
203 struct fb_info *info;
208 c = info->fb_cmap[color];
210 KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
212 switch (FBTYPE_GET_BYTESPP(info)) {
214 for (h = 0; h < info->fb_height; h++)
215 for (o = 0; o < info->fb_stride; o++)
216 vt_fb_mem_wr1(info, h*info->fb_stride + o, c);
219 for (h = 0; h < info->fb_height; h++)
220 for (o = 0; o < info->fb_stride; o += 2)
221 vt_fb_mem_wr2(info, h*info->fb_stride + o, c);
224 for (h = 0; h < info->fb_height; h++)
225 for (o = 0; o < info->fb_stride; o += 3) {
226 vt_fb_mem_wr1(info, h*info->fb_stride + o,
228 vt_fb_mem_wr1(info, h*info->fb_stride + o + 1,
230 vt_fb_mem_wr1(info, h*info->fb_stride + o + 2,
235 for (h = 0; h < info->fb_height; h++)
236 for (o = 0; o < info->fb_stride; o += 4)
237 vt_fb_mem_wr4(info, h*info->fb_stride + o, c);
246 vt_fb_bitblt_bitmap(struct vt_device *vd, const struct vt_window *vw,
247 const uint8_t *pattern, const uint8_t *mask,
248 unsigned int width, unsigned int height,
249 unsigned int x, unsigned int y, term_color_t fg, term_color_t bg)
251 struct fb_info *info;
252 uint32_t fgc, bgc, cc, o;
253 int bpp, bpl, xi, yi;
257 bpp = FBTYPE_GET_BYTESPP(info);
258 fgc = info->fb_cmap[fg];
259 bgc = info->fb_cmap[bg];
260 bpl = (width + 7) / 8; /* Bytes per source line. */
262 KASSERT((info->fb_vbase != 0), ("Unmapped framebuffer"));
264 /* Bound by right and bottom edges. */
265 if (y + height > vw->vw_draw_area.tr_end.tp_row) {
266 if (y >= vw->vw_draw_area.tr_end.tp_row)
268 height = vw->vw_draw_area.tr_end.tp_row - y;
270 if (x + width > vw->vw_draw_area.tr_end.tp_col) {
271 if (x >= vw->vw_draw_area.tr_end.tp_col)
273 width = vw->vw_draw_area.tr_end.tp_col - x;
275 for (yi = 0; yi < height; yi++) {
276 for (xi = 0; xi < width; xi++) {
277 byte = yi * bpl + xi / 8;
278 bit = 0x80 >> (xi % 8);
279 /* Skip pixel write, if mask bit not set. */
280 if (mask != NULL && (mask[byte] & bit) == 0)
282 o = (y + yi) * info->fb_stride + (x + xi) * bpp;
283 o += vd->vd_transpose;
284 cc = pattern[byte] & bit ? fgc : bgc;
288 vt_fb_mem_wr1(info, o, cc);
291 vt_fb_mem_wr2(info, o, cc);
294 /* Packed mode, so unaligned. Byte access. */
295 vt_fb_mem_wr1(info, o, (cc >> 16) & 0xff);
296 vt_fb_mem_wr1(info, o + 1, (cc >> 8) & 0xff);
297 vt_fb_mem_wr1(info, o + 2, cc & 0xff);
300 vt_fb_mem_wr4(info, o, cc);
311 vt_fb_bitblt_text(struct vt_device *vd, const struct vt_window *vw,
312 const term_rect_t *area)
314 unsigned int col, row, x, y;
318 const uint8_t *pattern;
322 for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
323 for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col;
325 x = col * vf->vf_width +
326 vw->vw_draw_area.tr_begin.tp_col;
327 y = row * vf->vf_height +
328 vw->vw_draw_area.tr_begin.tp_row;
330 c = VTBUF_GET_FIELD(&vw->vw_buf, row, col);
331 pattern = vtfont_lookup(vf, c);
332 vt_determine_colors(c,
333 VTBUF_ISCURSOR(&vw->vw_buf, row, col), &fg, &bg);
335 vt_fb_bitblt_bitmap(vd, vw,
336 pattern, NULL, vf->vf_width, vf->vf_height,
341 #ifndef SC_NO_CUTPASTE
345 term_rect_t drawn_area;
347 drawn_area.tr_begin.tp_col = area->tr_begin.tp_col * vf->vf_width;
348 drawn_area.tr_begin.tp_row = area->tr_begin.tp_row * vf->vf_height;
349 drawn_area.tr_end.tp_col = area->tr_end.tp_col * vf->vf_width;
350 drawn_area.tr_end.tp_row = area->tr_end.tp_row * vf->vf_height;
352 if (vt_is_cursor_in_area(vd, &drawn_area)) {
353 vt_fb_bitblt_bitmap(vd, vw,
354 vd->vd_mcursor->map, vd->vd_mcursor->mask,
355 vd->vd_mcursor->width, vd->vd_mcursor->height,
356 vd->vd_mx_drawn + vw->vw_draw_area.tr_begin.tp_col,
357 vd->vd_my_drawn + vw->vw_draw_area.tr_begin.tp_row,
358 vd->vd_mcursor_fg, vd->vd_mcursor_bg);
364 vt_fb_postswitch(struct vt_device *vd)
366 struct fb_info *info;
370 if (info->enter != NULL)
371 info->enter(info->fb_priv);
375 vt_fb_init_cmap(uint32_t *cmap, int depth)
380 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
381 0x7, 5, 0x7, 2, 0x3, 0));
383 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
384 0x1f, 10, 0x1f, 5, 0x1f, 0));
386 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
387 0x1f, 11, 0x3f, 5, 0x1f, 0));
389 case 32: /* Ignore alpha. */
390 return (vt_generate_cons_palette(cmap, COLOR_FORMAT_RGB,
391 0xff, 16, 0xff, 8, 0xff, 0));
398 vt_fb_init(struct vt_device *vd)
400 struct fb_info *info;
405 vd->vd_height = MIN(VT_FB_MAX_HEIGHT, info->fb_height);
406 margin = (info->fb_height - vd->vd_height) >> 1;
407 vd->vd_transpose = margin * info->fb_stride;
408 vd->vd_width = MIN(VT_FB_MAX_WIDTH, info->fb_width);
409 margin = (info->fb_width - vd->vd_width) >> 1;
410 vd->vd_transpose += margin * (info->fb_bpp / NBBY);
412 if (info->fb_size == 0)
415 if (info->fb_pbase == 0)
416 info->fb_flags |= FB_FLAG_NOMMAP;
418 if (info->fb_cmsize <= 0) {
419 err = vt_fb_init_cmap(info->fb_cmap, FBTYPE_GET_BPP(info));
422 info->fb_cmsize = 16;
425 /* Clear the screen. */
426 vd->vd_driver->vd_blank(vd, TC_BLACK);
428 /* Wakeup screen. KMS need this. */
429 vt_fb_postswitch(vd);
431 return (CN_INTERNAL);
435 vt_fb_attach(struct fb_info *info)
438 vt_allocate(&vt_fb_driver, info);
444 vt_fb_suspend(struct vt_device *vd)
451 vt_fb_resume(struct vt_device *vd)