2 * Toshiba TC6393XB I/O Controller.
3 * Found in Sharp Zaurus SL-6000 (tosa) or some
4 * Toshiba e-Series PDAs.
6 * FB support code. Based on G364 fb emulator
8 * Copyright (c) 2007 Hervé Poussineau
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.
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.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 # define SET_PIXEL(addr, color) *(uint8_t*)addr = color;
28 #elif BITS == 15 || BITS == 16
29 # define SET_PIXEL(addr, color) *(uint16_t*)addr = color;
31 # define SET_PIXEL(addr, color) \
32 addr[0] = color; addr[1] = (color) >> 8; addr[2] = (color) >> 16;
34 # define SET_PIXEL(addr, color) *(uint32_t*)addr = color;
36 # error unknown bit depth
40 static void glue(tc6393xb_draw_graphic, BITS)(struct tc6393xb_s *s)
44 uint16_t *data_buffer;
45 uint8_t *data_display;
47 data_buffer = (uint16_t*)(phys_ram_base + s->vram_addr);
48 w_display = s->scr_width * BITS / 8;
49 data_display = ds_get_data(s->ds);
50 for(i = 0; i < s->scr_height; i++) {
52 memcpy(data_display, data_buffer, s->scr_width * 2);
53 data_buffer += s->scr_width;
54 data_display += ds_get_linesize(s->ds);
57 for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) {
58 uint16_t color = *data_buffer;
59 uint32_t dest_color = glue(rgb_to_pixel, BITS)(
60 ((color & 0xf800) * 0x108) >> 11,
61 ((color & 0x7e0) * 0x41) >> 9,
62 ((color & 0x1f) * 0x21) >> 2
64 SET_PIXEL(data_display, dest_color);