2008-11-04 10:04:41 +01:00
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/*
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* Toshiba TC6393XB I/O Controller.
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* Found in Sharp Zaurus SL-6000 (tosa) or some
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* Toshiba e-Series PDAs.
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*
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* FB support code. Based on G364 fb emulator
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*
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* Copyright (c) 2007 Herv<EFBFBD> Poussineau
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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2009-01-04 23:05:52 +01:00
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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2008-11-04 10:04:41 +01:00
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*/
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#if BITS == 8
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# define SET_PIXEL(addr, color) *(uint8_t*)addr = color;
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#elif BITS == 15 || BITS == 16
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# define SET_PIXEL(addr, color) *(uint16_t*)addr = color;
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#elif BITS == 24
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# define SET_PIXEL(addr, color) \
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addr[0] = color; addr[1] = (color) >> 8; addr[2] = (color) >> 16;
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#elif BITS == 32
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# define SET_PIXEL(addr, color) *(uint32_t*)addr = color;
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#else
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# error unknown bit depth
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#endif
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static void glue(tc6393xb_draw_graphic, BITS)(struct tc6393xb_s *s)
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{
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int i;
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int w_display;
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uint16_t *data_buffer;
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uint8_t *data_display;
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data_buffer = (uint16_t*)(phys_ram_base + s->vram_addr);
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w_display = s->scr_width * BITS / 8;
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2008-11-24 20:29:13 +01:00
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data_display = ds_get_data(s->ds);
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2008-11-04 10:04:41 +01:00
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for(i = 0; i < s->scr_height; i++) {
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#if (BITS == 16)
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memcpy(data_display, data_buffer, s->scr_width * 2);
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data_buffer += s->scr_width;
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2008-11-24 20:29:13 +01:00
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data_display += ds_get_linesize(s->ds);
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2008-11-04 10:04:41 +01:00
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#else
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int j;
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for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) {
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uint16_t color = *data_buffer;
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uint32_t dest_color = glue(rgb_to_pixel, BITS)(
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((color & 0xf800) * 0x108) >> 11,
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((color & 0x7e0) * 0x41) >> 9,
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((color & 0x1f) * 0x21) >> 2
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);
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SET_PIXEL(data_display, dest_color);
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}
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#endif
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}
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}
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#undef BITS
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#undef SET_PIXEL
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