root / hw / tc6393xb_template.h @ 368eb5d4
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1 | 64b40bc5 | balrog | /*
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2 | 64b40bc5 | balrog | * Toshiba TC6393XB I/O Controller.
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3 | 64b40bc5 | balrog | * Found in Sharp Zaurus SL-6000 (tosa) or some
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4 | 64b40bc5 | balrog | * Toshiba e-Series PDAs.
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5 | 64b40bc5 | balrog | *
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6 | 64b40bc5 | balrog | * FB support code. Based on G364 fb emulator
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7 | 64b40bc5 | balrog | *
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8 | 64b40bc5 | balrog | * Copyright (c) 2007 Herv? Poussineau
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9 | 64b40bc5 | balrog | *
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10 | 64b40bc5 | balrog | * This program is free software; you can redistribute it and/or
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11 | 64b40bc5 | balrog | * modify it under the terms of the GNU General Public License as
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12 | 64b40bc5 | balrog | * published by the Free Software Foundation; either version 2 of
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13 | 64b40bc5 | balrog | * the License, or (at your option) any later version.
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14 | 64b40bc5 | balrog | *
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15 | 64b40bc5 | balrog | * This program is distributed in the hope that it will be useful,
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16 | 64b40bc5 | balrog | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | 64b40bc5 | balrog | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | 64b40bc5 | balrog | * GNU General Public License for more details.
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19 | 64b40bc5 | balrog | *
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20 | fad6cb1a | aurel32 | * You should have received a copy of the GNU General Public License along
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21 | 8167ee88 | Blue Swirl | * with this program; if not, see <http://www.gnu.org/licenses/>.
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22 | 64b40bc5 | balrog | */
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23 | 64b40bc5 | balrog | |
24 | 64b40bc5 | balrog | #if BITS == 8 |
25 | 64b40bc5 | balrog | # define SET_PIXEL(addr, color) *(uint8_t*)addr = color;
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26 | 64b40bc5 | balrog | #elif BITS == 15 || BITS == 16 |
27 | 64b40bc5 | balrog | # define SET_PIXEL(addr, color) *(uint16_t*)addr = color;
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28 | 64b40bc5 | balrog | #elif BITS == 24 |
29 | 64b40bc5 | balrog | # define SET_PIXEL(addr, color) \
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30 | 64b40bc5 | balrog | addr[0] = color; addr[1] = (color) >> 8; addr[2] = (color) >> 16; |
31 | 64b40bc5 | balrog | #elif BITS == 32 |
32 | 64b40bc5 | balrog | # define SET_PIXEL(addr, color) *(uint32_t*)addr = color;
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33 | 64b40bc5 | balrog | #else
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34 | 64b40bc5 | balrog | # error unknown bit depth
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35 | 64b40bc5 | balrog | #endif
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36 | 64b40bc5 | balrog | |
37 | 64b40bc5 | balrog | |
38 | bc24a225 | Paul Brook | static void glue(tc6393xb_draw_graphic, BITS)(TC6393xbState *s) |
39 | 64b40bc5 | balrog | { |
40 | 64b40bc5 | balrog | int i;
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41 | 64b40bc5 | balrog | int w_display;
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42 | 64b40bc5 | balrog | uint16_t *data_buffer; |
43 | 64b40bc5 | balrog | uint8_t *data_display; |
44 | 64b40bc5 | balrog | |
45 | 44654490 | pbrook | data_buffer = s->vram_ptr; |
46 | 64b40bc5 | balrog | w_display = s->scr_width * BITS / 8;
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47 | 0e1f5a0c | aliguori | data_display = ds_get_data(s->ds); |
48 | 64b40bc5 | balrog | for(i = 0; i < s->scr_height; i++) { |
49 | 64b40bc5 | balrog | #if (BITS == 16) |
50 | 64b40bc5 | balrog | memcpy(data_display, data_buffer, s->scr_width * 2);
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51 | 64b40bc5 | balrog | data_buffer += s->scr_width; |
52 | 0e1f5a0c | aliguori | data_display += ds_get_linesize(s->ds); |
53 | 64b40bc5 | balrog | #else
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54 | 64b40bc5 | balrog | int j;
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55 | 64b40bc5 | balrog | for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) { |
56 | 64b40bc5 | balrog | uint16_t color = *data_buffer; |
57 | 64b40bc5 | balrog | uint32_t dest_color = glue(rgb_to_pixel, BITS)( |
58 | 64b40bc5 | balrog | ((color & 0xf800) * 0x108) >> 11, |
59 | 64b40bc5 | balrog | ((color & 0x7e0) * 0x41) >> 9, |
60 | 64b40bc5 | balrog | ((color & 0x1f) * 0x21) >> 2 |
61 | 64b40bc5 | balrog | ); |
62 | 64b40bc5 | balrog | SET_PIXEL(data_display, dest_color); |
63 | 64b40bc5 | balrog | } |
64 | 64b40bc5 | balrog | #endif
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65 | 64b40bc5 | balrog | } |
66 | 64b40bc5 | balrog | } |
67 | 64b40bc5 | balrog | |
68 | 64b40bc5 | balrog | #undef BITS
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69 | 64b40bc5 | balrog | #undef SET_PIXEL |