1/*
2 * Toshiba TC6393XB I/O Controller.
3 * Found in Sharp Zaurus SL-6000 (tosa) or some
4 * Toshiba e-Series PDAs.
5 *
6 * FB support code. Based on G364 fb emulator
7 *
8 * Copyright (c) 2007 Hervé Poussineau
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, see <http://www.gnu.org/licenses/>.
22 */
23
24#if BITS == 8
25# define SET_PIXEL(addr, color) (*(uint8_t *)addr = color)
26#elif BITS == 15 || BITS == 16
27# define SET_PIXEL(addr, color) (*(uint16_t *)addr = color)
28#elif BITS == 24
29# define SET_PIXEL(addr, color) \
30 do { \
31 addr[0] = color; \
32 addr[1] = (color) >> 8; \
33 addr[2] = (color) >> 16; \
34 } while (0)
35#elif BITS == 32
36# define SET_PIXEL(addr, color) (*(uint32_t *)addr = color)
37#else
38# error unknown bit depth
39#endif
40
41
42static void glue(tc6393xb_draw_graphic, BITS)(TC6393xbState *s)
43{
44 DisplaySurface *surface = qemu_console_surface(s->con);
45 int i;
46 uint16_t *data_buffer;
47 uint8_t *data_display;
48
49 data_buffer = s->vram_ptr;
50 data_display = surface_data(surface);
51 for(i = 0; i < s->scr_height; i++) {
52#if (BITS == 16)
53 memcpy(data_display, data_buffer, s->scr_width * 2);
54 data_buffer += s->scr_width;
55 data_display += surface_stride(surface);
56#else
57 int j;
58 for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) {
59 uint16_t color = *data_buffer;
60 uint32_t dest_color = glue(rgb_to_pixel, BITS)(
61 ((color & 0xf800) * 0x108) >> 11,
62 ((color & 0x7e0) * 0x41) >> 9,
63 ((color & 0x1f) * 0x21) >> 2
64 );
65 SET_PIXEL(data_display, dest_color);
66 }
67#endif
68 }
69}
70
71#undef BITS
72#undef SET_PIXEL
73