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 int vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data,
46 static int vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset,
47 vm_paddr_t *paddr, int prot, vm_memattr_t *memattr);
48 void vt_fb_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2,
49 int fill, term_color_t color);
50 void vt_fb_setpixel(struct vt_device *vd, int x, int y, term_color_t color);
52 static struct vt_driver vt_fb_driver = {
53 .vd_init = vt_fb_init,
54 .vd_blank = vt_fb_blank,
55 .vd_bitbltchr = vt_fb_bitbltchr,
56 .vd_drawrect = vt_fb_drawrect,
57 .vd_setpixel = vt_fb_setpixel,
58 .vd_postswitch = vt_fb_postswitch,
59 .vd_priority = VD_PRIORITY_GENERIC+10,
60 .vd_fb_ioctl = vt_fb_ioctl,
61 .vd_fb_mmap = vt_fb_mmap,
65 vt_fb_ioctl(struct vt_device *vd, u_long cmd, caddr_t data, struct thread *td)
71 if (info->fb_ioctl == NULL)
74 return (info->fb_ioctl(info->fb_cdev, cmd, data, 0, td));
78 vt_fb_mmap(struct vt_device *vd, vm_ooffset_t offset, vm_paddr_t *paddr,
79 int prot, vm_memattr_t *memattr)
85 if (info->fb_ioctl == NULL)
88 return (info->fb_mmap(info->fb_cdev, offset, paddr, prot, memattr));
92 vt_fb_setpixel(struct vt_device *vd, int x, int y, term_color_t color)
99 c = info->fb_cmap[color];
100 o = info->fb_stride * y + x * FBTYPE_GET_BYTESPP(info);
102 switch (FBTYPE_GET_BYTESPP(info)) {
104 info->wr1(info, o, c);
107 info->wr2(info, o, c);
110 info->wr1(info, o, (c >> 16) & 0xff);
111 info->wr1(info, o + 1, (c >> 8) & 0xff);
112 info->wr1(info, o + 2, c & 0xff);
115 info->wr4(info, o, c);
125 vt_fb_drawrect(struct vt_device *vd, int x1, int y1, int x2, int y2, int fill,
130 for (y = y1; y <= y2; y++) {
131 if (fill || (y == y1) || (y == y2)) {
132 for (x = x1; x <= x2; x++)
133 vt_fb_setpixel(vd, x, y, color);
135 vt_fb_setpixel(vd, x1, y, color);
136 vt_fb_setpixel(vd, x2, y, color);
142 vt_fb_blank(struct vt_device *vd, term_color_t color)
144 struct fb_info *info;
149 c = info->fb_cmap[color];
151 switch (FBTYPE_GET_BYTESPP(info)) {
153 for (o = 0; o < info->fb_stride; o++)
154 info->wr1(info, o, c);
157 for (o = 0; o < info->fb_stride; o += 2)
158 info->wr2(info, o, c);
162 for (o = 0; o < info->fb_stride; o += 3) {
163 info->wr1(info, o, (c >> 16) & 0xff);
164 info->wr1(info, o + 1, (c >> 8) & 0xff);
165 info->wr1(info, o + 2, c & 0xff);
169 for (o = 0; o < info->fb_stride; o += 4)
170 info->wr4(info, o, c);
176 /* Copy line0 to all other lines. */
177 /* XXX will copy with borders. */
178 for (o = info->fb_stride; o < info->fb_size; o += info->fb_stride) {
179 info->copy(info, o, 0, info->fb_stride);
184 vt_fb_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask,
185 int bpl, vt_axis_t top, vt_axis_t left, unsigned int width,
186 unsigned int height, term_color_t fg, term_color_t bg)
188 struct fb_info *info;
189 uint32_t fgc, bgc, cc, o;
196 bpp = FBTYPE_GET_BYTESPP(info);
197 fgc = info->fb_cmap[fg];
198 bgc = info->fb_cmap[bg];
201 bpl = (width + 7) >> 3; /* Bytes per sorce line. */
203 /* Don't try to put off screen pixels */
204 if (((left + width) > info->fb_width) || ((top + height) >
208 line = (info->fb_stride * top) + (left * bpp);
209 for (l = 0; l < height; l++) {
211 for (c = 0; c < width; c++) {
221 /* Skip pixel write, if mask has no bit set. */
225 o = line + (c * bpp);
226 cc = b & 0x80 ? fgc : bgc;
230 info->wr1(info, o, cc);
233 info->wr2(info, o, cc);
236 /* Packed mode, so unaligned. Byte access. */
237 info->wr1(info, o, (cc >> 16) & 0xff);
238 info->wr1(info, o + 1, (cc >> 8) & 0xff);
239 info->wr1(info, o + 2, cc & 0xff);
242 info->wr4(info, o, cc);
249 line += info->fb_stride;
255 vt_fb_postswitch(struct vt_device *vd)
257 struct fb_info *info;
261 if (info->enter != NULL)
262 info->enter(info->fb_priv);
266 vt_fb_init_cmap(uint32_t *cmap, int depth)
271 return (vt_generate_vga_palette(cmap, COLOR_FORMAT_RGB,
272 0x7, 5, 0x7, 2, 0x3, 0));
274 return (vt_generate_vga_palette(cmap, COLOR_FORMAT_RGB,
275 0x1f, 10, 0x1f, 5, 0x1f, 0));
277 return (vt_generate_vga_palette(cmap, COLOR_FORMAT_RGB,
278 0x1f, 11, 0x3f, 5, 0x1f, 0));
280 case 32: /* Ignore alpha. */
281 return (vt_generate_vga_palette(cmap, COLOR_FORMAT_RGB,
282 0xff, 0, 0xff, 8, 0xff, 16));
289 vt_fb_init(struct vt_device *vd)
291 struct fb_info *info;
295 vd->vd_height = info->fb_height;
296 vd->vd_width = info->fb_width;
298 if (info->fb_cmsize <= 0) {
299 err = vt_fb_init_cmap(info->fb_cmap, FBTYPE_GET_BPP(info));
302 info->fb_cmsize = 16;
305 /* Clear the screen. */
306 vt_fb_blank(vd, TC_BLACK);
308 /* Wakeup screen. KMS need this. */
309 vt_fb_postswitch(vd);
311 return (CN_INTERNAL);
315 vt_fb_attach(struct fb_info *info)
318 vt_allocate(&vt_fb_driver, info);