956 lines
24 KiB
C
956 lines
24 KiB
C
/*
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* $Id$
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*
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* Copyright © 1999 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $XFree86: xc/programs/Xserver/hw/kdrive/sis530/sis.c,v 1.1 1999/11/19 13:53:58 hohndel Exp $ */
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#include "sis.h"
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#define MAX_FB_SIZE (4096 * 1024)
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#define MMIO_SIZE (64 * 1024)
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#define SIS_TIMING_BAIL 2
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SisTiming sisTimings[] = {
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/* FP BP BLANK */
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{ 640, 480, 85,
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56, 80, 192, /* horizontal 43.265 KHz */
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1, 25, 29, /* vertical 85.000 Hz */
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/* pixel 35.996 MHz */
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},
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{ 640, 480, 75,
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16, 120, 200, /* horizontal 37.500 KHz */
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1, 16, 20, /* vertical 75.000 Hz */
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/* pixel 31.500 MHz */
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},
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{ 640, 480, 60,
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16, 48, 160, /* horizontal 31.321 KHz */
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10, 33, 45, /* vertical 59.568 Hz */
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/* pixel 25.057 MHz */
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},
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{ 800, 600, 85,
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32, 152, 248, /* horizontal 53.673 KHz */
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1, 27, 31, /* vertical 85.060 Hz */
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/* pixel 56.249 MHz */
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},
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{ 800, 600, 75,
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16, 160, 256, /* horizontal 46.891 KHz */
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1, 21, 25, /* vertical 75.025 Hz */
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/* pixel 49.516 MHz */
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},
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{ 800, 600, 72,
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56, 64, 240, /* horizontal 48.186 KHz */
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37, 23, 66, /* vertical 72.351 Hz */
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/* pixel 50.113 MHz */
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},
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{ 1024, 768, 85,
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48, 208, 352, /* horizontal 68.676 KHz */
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1, 36, 40, /* vertical 84.996 Hz */
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/* pixel 94.499 MHz */
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},
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{ 1024, 768, 75,
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16, 176, 288, /* horizontal 60.022 KHz */
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1, 28, 32, /* vertical 75.028 Hz */
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/* pixel 78.749 MHz */
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},
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{ 1024, 768, 70,
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24, 144, 304, /* horizontal 56.604 KHz */
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3, 29, 38, /* vertical 70.227 Hz */
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/* pixel 75.170 MHz */
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},
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{ 1024, 768, 66,
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24, 144, 304, /* horizontal 53.234 KHz */
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3, 29, 38, /* vertical 66.047 Hz */
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/* pixel 70.695 MHz */
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},
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{ 1152, 900, 85,
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48, 208, 384, /* horizontal 79.900 KHz */
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1, 32, 38, /* vertical 85.181 Hz */
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/* pixel 122.726 MHz */
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},
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{ 1152, 900, 75,
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32, 208, 384, /* horizontal 70.495 Khz */
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1, 32, 38, /* vertical 75.154 Hz */
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/* pixel 108.280 MHz */
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},
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{ 1152, 900, 70,
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32, 208, 384, /* horizontal 65.251 KHz */
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2, 32, 38, /* vertical 69.564 Hz */
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/* pixel 100.226 MHz */
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},
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{ 1152, 900, 66,
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32, 208, 384, /* horizontal 61.817 KHz */
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1, 32, 38, /* vertical 65.903 Hz */
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/* pixel 94.951 MHz */
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},
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{ 1280, 1024, 85,
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16, 248, 416, /* horizontal 90.561 KHz */
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1, 40, 45, /* vertical 84.717 Hz */
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/* pixel 153.593 MHz */
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},
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{ 1280, 1024, 75,
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16, 248, 408, /* horizontal 80.255 KHz */
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1, 38, 42, /* vertical 75.285 Hz */
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/* pixel 134.828 MHz */
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},
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{ 1280, 1024, 70,
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32, 248, 400, /* horizontal 74.573 KHz */
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0, 36, 39, /* vertical 70.153 Hz */
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/* pixel 125.283 MHz */
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},
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{ 1280, 1024, 66,
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32, 248, 400, /* horizontal 70.007 KHz */
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0, 36, 39, /* vertical 65.858 Hz */
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/* pixel 117.612 MHz */
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},
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{ 1600, 1200, 85,
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64, 304, 560, /* horizontal 106.059 KHz */
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1, 46, 50, /* vertical 84.847 Hz */
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/* pixel 229.088 MHz */
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},
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{ 1600, 1200, 75,
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64, 304, 560, /* horizontal 93.748 KHz */
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1, 46, 50, /* vertical 74.999 Hz */
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/* pixel 202.497 MHz */
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},
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{ 1600, 1200, 70,
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56, 304, 588, /* horizontal 87.524 KHz */
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1, 46, 50, /* vertical 70.019 Hz */
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/* pixel 191.503 MHz */
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},
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{ 1600, 1200, 65,
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56, 308, 524, /* horizontal 80.050 KHz */
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1, 38, 42, /* vertical 64.453 Hz */
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/* pixel 170.026 MHz */
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},
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};
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#define NUM_SIS_TIMINGS (sizeof (sisTimings) / sizeof (sisTimings[0]))
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Bool
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sisCardInit (KdCardInfo *card)
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{
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SisCardInfo *sisc;
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SisPtr sis;
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int size;
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CARD8 *registers;
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CARD8 *temp_buffer;
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sisc = (SisCardInfo *) xalloc (sizeof (SisCardInfo));
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if (!sisc)
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goto bail0;
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temp_buffer = KdMapDevice (card->attr.address[0], MAX_FB_SIZE);
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if (!temp_buffer)
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goto bail1;
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sisc->memory = KdFrameBufferSize (temp_buffer, MAX_FB_SIZE);
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KdUnmapDevice (temp_buffer, MAX_FB_SIZE);
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if (!sisc->memory)
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{
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ErrorF ("Can't detect SiS530 frame buffer\n");
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goto bail1;
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}
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/*
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* Map frame buffer and MMIO registers
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*/
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sisc->frameBuffer = KdMapDevice (card->attr.address[0], sisc->memory);
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if (!sisc->frameBuffer)
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goto bail1;
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sisc->registers = KdMapDevice (card->attr.address[1], MMIO_SIZE);
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if (!sisc->registers)
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goto bail2;
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/*
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* Offset from base of MMIO to registers
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*/
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sisc->sis = (SisPtr) (sisc->registers + SIS_MMIO_OFFSET);
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sisc->cpu_bitblt = (VOL32 *) sisc->registers;
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sisc->io_base = card->attr.io;
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/*
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* enable access to SiS ports (no MMIO available)
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*/
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ioperm (sisc->io_base, 0x80, 1);
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card->driver = sisc;
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return TRUE;
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bail2:
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KdUnmapDevice (sisc->frameBuffer, sisc->memory);
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bail1:
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xfree (sisc);
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bail0:
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return FALSE;
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}
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SisTiming *
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sisGetTiming (int width, int height, int rate)
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{
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int i;
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SisTiming *t;
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for (i = 0; i < NUM_SIS_TIMINGS; i++)
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{
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t = &sisTimings[i];
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if (t->horizontal >= width &&
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t->vertical >= height &&
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(!rate || t->rate <= rate))
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return t;
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}
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return &sisTimings[SIS_TIMING_BAIL];
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}
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Bool
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sisScreenInit (KdScreenInfo *screen)
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{
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KdCardInfo *card = screen->card;
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SisCardInfo *sisc = (SisCardInfo *) card->driver;
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SisScreenInfo *siss;
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int i;
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SisTiming *t;
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CARD32 memory;
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int byte_width, pixel_width, screen_size;
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siss = (SisScreenInfo *) xalloc (sizeof (SisScreenInfo));
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if (!siss)
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return FALSE;
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memset (siss, '\0', sizeof (SisScreenInfo));
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if (!screen->width || !screen->height)
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{
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screen->width = 800;
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screen->height = 600;
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screen->rate = 72;
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}
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if (!screen->depth)
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screen->depth = 8;
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for (;;)
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{
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if (screen->depth >= 24)
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{
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screen->depth = 24;
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screen->bitsPerPixel = 24;
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}
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else if (screen->depth >= 16)
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{
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screen->depth = 16;
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screen->bitsPerPixel = 16;
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}
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else if (screen->depth >= 15)
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{
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screen->depth = 15;
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screen->bitsPerPixel = 16;
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}
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else
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{
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screen->depth = 8;
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screen->bitsPerPixel = 8;
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}
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/* Normalize width to supported values */
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if (screen->width >= 1600)
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screen->width = 1600;
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else if (screen->width >= 1280)
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screen->width = 1280;
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else if (screen->width >= 1152)
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screen->width = 1152;
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else if (screen->width >= 1024)
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screen->width = 1024;
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else if (screen->width >= 800)
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screen->width = 800;
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else
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screen->width = 640;
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byte_width = screen->width * (screen->bitsPerPixel >> 3);
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pixel_width = screen->width;
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screen->pixelStride = pixel_width;
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screen->byteStride = byte_width;
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screen_size = byte_width * screen->height;
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if (screen_size <= sisc->memory)
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break;
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/*
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* Fix requested depth and geometry until it works
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*/
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if (screen->depth > 16)
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screen->depth = 16;
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else if (screen->depth > 8)
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screen->depth = 8;
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else if (screen->width > 1152)
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{
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screen->width = 1152;
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screen->height = 900;
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}
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else if (screen->width > 1024)
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{
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screen->width = 1024;
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screen->height = 768;
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}
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else if (screen->width > 800)
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{
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screen->width = 800;
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screen->height = 600;
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}
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else if (screen->width > 640)
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{
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screen->width = 640;
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screen->height = 480;
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}
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else
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{
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xfree (siss);
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return FALSE;
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}
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}
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t = sisGetTiming (screen->width, screen->height, screen->rate);
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screen->rate = t->rate;
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screen->width = t->horizontal;
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screen->height = t->vertical;
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/*
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* Take requested geometry and adjust to fit possible geometries
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*/
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switch (screen->depth) {
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case 4:
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screen->bitsPerPixel = 4;
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break;
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case 8:
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screen->bitsPerPixel = 8;
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break;
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case 15:
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case 16:
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screen->bitsPerPixel = 16;
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break;
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case 24:
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case 32:
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screen->bitsPerPixel = 24;
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screen->dumb = TRUE;
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break;
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}
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screen->byteStride = screen->width * (screen->bitsPerPixel >> 3);
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screen->pixelStride = screen->width;
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memory = sisc->memory - screen_size;
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screen->frameBuffer = sisc->frameBuffer;
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/*
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* Cursor lives in the last 16k of memory
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*/
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if (memory >= 16384 && !screen->softCursor)
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{
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siss->cursor_base = sisc->frameBuffer + (sisc->memory - 16384);
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siss->cursor_off = siss->cursor_base - sisc->frameBuffer;
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memory -= 16384;
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}
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else
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{
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screen->softCursor = TRUE;
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siss->cursor_base = 0;
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siss->cursor_off = 0;
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}
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if (memory > 8192)
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{
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siss->expand = screen->frameBuffer + screen_size;
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siss->expand_off = siss->expand - sisc->frameBuffer;
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siss->expand_len = memory;
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memory = 0;
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}
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else
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{
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siss->expand = 0;
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siss->expand_len = 0;
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}
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switch (screen->depth) {
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case 8:
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screen->visuals = ((1 << StaticGray) |
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(1 << GrayScale) |
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(1 << StaticColor) |
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(1 << PseudoColor) |
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(1 << TrueColor) |
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(1 << DirectColor));
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screen->blueMask = 0x00;
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screen->greenMask = 0x00;
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screen->redMask = 0x00;
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break;
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case 15:
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screen->visuals = (1 << TrueColor);
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screen->blueMask = 0x001f;
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screen->greenMask = 0x03e0;
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screen->redMask = 0x7c00;
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break;
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case 16:
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screen->visuals = (1 << TrueColor);
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screen->blueMask = 0x001f;
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screen->greenMask = 0x07e0;
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screen->redMask = 0xf800;
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break;
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case 24:
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screen->visuals = (1 << TrueColor);
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screen->blueMask = 0x0000ff;
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screen->greenMask = 0x00ff00;
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screen->redMask = 0xff0000;
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break;
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}
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screen->driver = siss;
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return TRUE;
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}
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static void
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_sisGetCrtc (SisCardInfo *sisc, SisCrtc *crtc)
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{
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crtc->misc_output = _sisInb(sisc->io_base+0x4c);
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crtc->h_total_0_7 = GetCrtc (sisc, 0x00);
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crtc->h_display_end_0_7 = GetCrtc (sisc, 0x01);
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crtc->h_blank_start_0_7 = GetCrtc (sisc, 0x02);
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crtc->_h_blank_end = GetCrtc (sisc, 0x03);
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crtc->h_sync_start_0_7 = GetCrtc (sisc, 0x04);
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crtc->_h_sync_end = GetCrtc (sisc, 0x05);
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crtc->v_total_0_7 = GetCrtc (sisc, 0x06);
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crtc->crtc_overflow = GetCrtc (sisc, 0x07);
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crtc->preset_row_scan = GetCrtc (sisc, 0x08);
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crtc->_max_scan_line = GetCrtc (sisc, 0x09);
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crtc->start_address_8_15 = GetCrtc (sisc, 0x0c);
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crtc->start_address_0_7 = GetCrtc (sisc, 0x0d);
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crtc->v_retrace_start_0_7 = GetCrtc (sisc, 0x10);
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crtc->_v_retrace_end = GetCrtc (sisc, 0x11);
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crtc->v_display_end_0_7 = GetCrtc (sisc, 0x12);
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crtc->screen_off_0_7 = GetCrtc (sisc, 0x13);
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crtc->_underline_location = GetCrtc (sisc, 0x14);
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crtc->v_blank_start_0_7 = GetCrtc (sisc, 0x15);
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crtc->v_blank_end_0_7 = GetCrtc (sisc, 0x16);
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crtc->crtc_mode = GetCrtc (sisc, 0x17);
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crtc->line_compare_0_7 = GetCrtc (sisc, 0x18);
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crtc->mode_control = GetArtc (sisc, 0x10);
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crtc->screen_border_color = GetArtc (sisc, 0x11);
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crtc->enable_color_plane = GetArtc (sisc, 0x12);
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crtc->horizontal_pixel_pan = GetArtc (sisc, 0x13);
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crtc->mode_register = GetGrtc (sisc, 0x5);
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crtc->clock_mode = GetSrtc (sisc, 0x1);
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crtc->graphics_mode = GetSrtc (sisc, 0x6);
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crtc->misc_control_0 = GetSrtc (sisc, 0x7);
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crtc->crt_cpu_threshold_control_0 = GetSrtc (sisc, 0x8);
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crtc->crt_cpu_threshold_control_1 = GetSrtc (sisc, 0x9);
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crtc->extended_crt_overflow = GetSrtc (sisc, 0xa);
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crtc->misc_control_1 = GetSrtc (sisc, 0xb);
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crtc->misc_control_2 = GetSrtc (sisc, 0xc);
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crtc->ddc_and_power_control = GetSrtc (sisc, 0x11);
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crtc->extended_horizontal_overflow = GetSrtc (sisc, 0x12);
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crtc->extended_clock_generator = GetSrtc (sisc, 0x13);
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crtc->cursor_0_red = GetSrtc (sisc, 0x14);
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crtc->cursor_0_green = GetSrtc (sisc, 0x15);
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crtc->cursor_0_blue = GetSrtc (sisc, 0x16);
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crtc->cursor_1_red = GetSrtc (sisc, 0x17);
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crtc->cursor_1_green = GetSrtc (sisc, 0x18);
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crtc->cursor_1_blue = GetSrtc (sisc, 0x19);
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crtc->cursor_h_start_0_7 = GetSrtc (sisc, 0x1a);
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crtc->cursor_h_start_1 = GetSrtc (sisc, 0x1b);
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crtc->cursor_h_preset_0_5 = GetSrtc (sisc, 0x1c);
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crtc->cursor_v_start_0_7 = GetSrtc (sisc, 0x1d);
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crtc->cursor_v_start_1 = GetSrtc (sisc, 0x1e);
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crtc->cursor_v_preset_0_5 = GetSrtc (sisc, 0x1f);
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crtc->linear_base_19_26 = GetSrtc (sisc, 0x20);
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crtc->linear_base_1 = GetSrtc (sisc, 0x21);
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crtc->graphics_engine_0 = GetSrtc (sisc, 0x26);
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crtc->graphics_engine_1 = GetSrtc (sisc, 0x27);
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crtc->internal_mclk_0 = GetSrtc (sisc, 0x28);
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crtc->internal_mclk_1 = GetSrtc (sisc, 0x29);
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crtc->internal_vclk_0 = GetSrtc (sisc, 0x2A);
|
|
crtc->internal_vclk_1 = GetSrtc (sisc, 0x2B);
|
|
|
|
crtc->misc_control_7 = GetSrtc (sisc, 0x38);
|
|
|
|
crtc->misc_control_11 = GetSrtc (sisc, 0x3E);
|
|
crtc->misc_control_12 = GetSrtc (sisc, 0x3F);
|
|
}
|
|
|
|
static void
|
|
_sisSetBlank (SisCardInfo *sisc, Bool blank)
|
|
{
|
|
CARD8 clock;
|
|
|
|
clock = GetSrtc (sisc, 0x01);
|
|
if (blank)
|
|
clock |= 0x20;
|
|
else
|
|
clock &= ~0x20;
|
|
PutSrtc (sisc, 0x01, clock);
|
|
}
|
|
|
|
static void
|
|
_sisSetCrtc (SisCardInfo *sisc, SisCrtc *crtc)
|
|
{
|
|
_sisOutb(crtc->misc_output, sisc->io_base+0x4c);
|
|
_sisSetBlank (sisc, TRUE);
|
|
PutCrtc (sisc, 0x00, crtc->h_total_0_7);
|
|
PutCrtc (sisc, 0x01, crtc->h_display_end_0_7);
|
|
PutCrtc (sisc, 0x02, crtc->h_blank_start_0_7);
|
|
PutCrtc (sisc, 0x03, crtc->_h_blank_end);
|
|
PutCrtc (sisc, 0x04, crtc->h_sync_start_0_7);
|
|
PutCrtc (sisc, 0x05, crtc->_h_sync_end);
|
|
PutCrtc (sisc, 0x06, crtc->v_total_0_7);
|
|
PutCrtc (sisc, 0x07, crtc->crtc_overflow);
|
|
PutCrtc (sisc, 0x08, crtc->preset_row_scan);
|
|
PutCrtc (sisc, 0x09, crtc->_max_scan_line);
|
|
|
|
PutCrtc (sisc, 0x0c, crtc->start_address_8_15);
|
|
PutCrtc (sisc, 0x0d, crtc->start_address_0_7);
|
|
|
|
PutCrtc (sisc, 0x10, crtc->v_retrace_start_0_7);
|
|
PutCrtc (sisc, 0x11, crtc->_v_retrace_end);
|
|
PutCrtc (sisc, 0x12, crtc->v_display_end_0_7);
|
|
PutCrtc (sisc, 0x13, crtc->screen_off_0_7);
|
|
PutCrtc (sisc, 0x14, crtc->_underline_location);
|
|
PutCrtc (sisc, 0x15, crtc->v_blank_start_0_7);
|
|
PutCrtc (sisc, 0x16, crtc->v_blank_end_0_7);
|
|
PutCrtc (sisc, 0x17, crtc->crtc_mode);
|
|
PutCrtc (sisc, 0x18, crtc->line_compare_0_7);
|
|
|
|
PutArtc (sisc, 0x10, crtc->mode_control);
|
|
PutArtc (sisc, 0x11, crtc->screen_border_color);
|
|
PutArtc (sisc, 0x12, crtc->enable_color_plane);
|
|
PutArtc (sisc, 0x13, crtc->horizontal_pixel_pan);
|
|
|
|
PutGrtc (sisc, 0x5, crtc->mode_register);
|
|
|
|
PutSrtc (sisc, 0x1, crtc->clock_mode | 0x20);
|
|
|
|
PutSrtc (sisc, 0x6, crtc->graphics_mode);
|
|
PutSrtc (sisc, 0x7, crtc->misc_control_0);
|
|
PutSrtc (sisc, 0x8, crtc->crt_cpu_threshold_control_0);
|
|
PutSrtc (sisc, 0x9, crtc->crt_cpu_threshold_control_1);
|
|
PutSrtc (sisc, 0xa, crtc->extended_crt_overflow);
|
|
PutSrtc (sisc, 0xb, crtc->misc_control_1);
|
|
PutSrtc (sisc, 0xc, crtc->misc_control_2);
|
|
|
|
PutSrtc (sisc, 0x11, crtc->ddc_and_power_control);
|
|
PutSrtc (sisc, 0x12, crtc->extended_horizontal_overflow);
|
|
PutSrtc (sisc, 0x13, crtc->extended_clock_generator);
|
|
PutSrtc (sisc, 0x14, crtc->cursor_0_red);
|
|
PutSrtc (sisc, 0x15, crtc->cursor_0_green);
|
|
PutSrtc (sisc, 0x16, crtc->cursor_0_blue);
|
|
PutSrtc (sisc, 0x17, crtc->cursor_1_red);
|
|
PutSrtc (sisc, 0x18, crtc->cursor_1_green);
|
|
PutSrtc (sisc, 0x19, crtc->cursor_1_blue);
|
|
PutSrtc (sisc, 0x1a, crtc->cursor_h_start_0_7);
|
|
PutSrtc (sisc, 0x1b, crtc->cursor_h_start_1);
|
|
PutSrtc (sisc, 0x1c, crtc->cursor_h_preset_0_5);
|
|
PutSrtc (sisc, 0x1d, crtc->cursor_v_start_0_7);
|
|
PutSrtc (sisc, 0x1e, crtc->cursor_v_start_1);
|
|
PutSrtc (sisc, 0x1f, crtc->cursor_v_preset_0_5);
|
|
PutSrtc (sisc, 0x20, crtc->linear_base_19_26);
|
|
PutSrtc (sisc, 0x21, crtc->linear_base_1);
|
|
|
|
PutSrtc (sisc, 0x26, crtc->graphics_engine_0);
|
|
PutSrtc (sisc, 0x27, crtc->graphics_engine_1);
|
|
PutSrtc (sisc, 0x28, crtc->internal_mclk_0);
|
|
PutSrtc (sisc, 0x29, crtc->internal_mclk_1);
|
|
PutSrtc (sisc, 0x2A, crtc->internal_vclk_0);
|
|
PutSrtc (sisc, 0x2B, crtc->internal_vclk_1);
|
|
|
|
PutSrtc (sisc, 0x38, crtc->misc_control_7);
|
|
|
|
PutSrtc (sisc, 0x3E, crtc->misc_control_11);
|
|
PutSrtc (sisc, 0x3F, crtc->misc_control_12);
|
|
|
|
_sisSetBlank (sisc, FALSE);
|
|
}
|
|
|
|
CARD8
|
|
_sisReadIndexRegister (CARD32 base, CARD8 index)
|
|
{
|
|
CARD8 ret;
|
|
|
|
_sisOutb (index, base);
|
|
ret = _sisInb (base+1);
|
|
return ret;
|
|
}
|
|
|
|
void
|
|
_sisWriteIndexRegister (CARD32 base, CARD8 index, CARD8 value)
|
|
{
|
|
_sisOutb (index, base);
|
|
_sisOutb (value, base+1);
|
|
}
|
|
|
|
void
|
|
sisPreserve (KdCardInfo *card)
|
|
{
|
|
SisCardInfo *sisc = card->driver;
|
|
CARD8 *r = sisc->registers;
|
|
int a, i, l;
|
|
CARD8 line[16];
|
|
CARD8 prev[16];
|
|
BOOL gotone;
|
|
|
|
sisc->save.sr5 = GetSrtc(sisc,0x5);
|
|
if (sisc->save.sr5 != 0x21)
|
|
sisc->save.sr5 = 0x86;
|
|
/* unlock extension registers */
|
|
PutSrtc(sisc,0x5,0x86);
|
|
|
|
/* enable MMIO access to registers */
|
|
sisc->save.srb = GetSrtc(sisc,0xb);
|
|
PutSrtc(sisc, 0xb, sisc->save.srb | 0x60);
|
|
_sisGetCrtc (sisc, &sisc->save.crtc);
|
|
}
|
|
|
|
void
|
|
sisEnable (ScreenPtr pScreen)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
KdScreenInfo *screen = pScreenPriv->screen;
|
|
KdCardInfo *card = pScreenPriv->card;
|
|
SisCardInfo *sisc = card->driver;
|
|
SisScreenInfo *siss = screen->driver;
|
|
SisTiming *t;
|
|
SisCrtc crtc;
|
|
unsigned long pixel;
|
|
|
|
int hactive;
|
|
int hblank;
|
|
int hfp;
|
|
int hbp;
|
|
|
|
int vactive;
|
|
int vblank;
|
|
int vfp;
|
|
int vbp;
|
|
|
|
int h_total;
|
|
int h_display_end;
|
|
int h_blank_start;
|
|
int h_blank_end;
|
|
int h_sync_start;
|
|
int h_sync_end;
|
|
int h_screen_off;
|
|
|
|
int h_adjust;
|
|
|
|
int v_total;
|
|
int v_retrace_start;
|
|
int v_retrace_end;
|
|
int v_display_end;
|
|
int v_blank_start;
|
|
int v_blank_end;
|
|
|
|
crtc = sisc->save.crtc;
|
|
|
|
t = sisGetTiming (screen->width, screen->height, screen->rate);
|
|
|
|
/* CR11 */
|
|
crtc.disable_v_retrace_int = 1;
|
|
|
|
/* 3CC/3C2 */
|
|
crtc.io_address_select = 1;
|
|
crtc.display_ram_enable = 1;
|
|
crtc.clock_select = 3;
|
|
|
|
/* SR6 */
|
|
crtc.graphics_mode = 0;
|
|
crtc.graphics_mode_linear = 1;
|
|
crtc.enhanced_graphics_mode = 1;
|
|
|
|
/* SRB */
|
|
crtc.cpu_bitblt_enable = 1;
|
|
crtc.memory_mapped_mode = 3;
|
|
|
|
/* SRC */
|
|
crtc.graphics_mode_32bit_enable = 1;
|
|
crtc.text_mode_16bit_enable = 0;
|
|
crtc.read_ahead_enable = 1;
|
|
|
|
/* SR11 */
|
|
crtc.acpi_enable = 0;
|
|
crtc.kbd_cursor_activate = 0;
|
|
crtc.video_memory_activate = 0;
|
|
crtc.vga_standby = 0;
|
|
crtc.vga_suspend = 0;
|
|
|
|
/* AR10 */
|
|
crtc.mode_control = 0;
|
|
crtc.graphics_mode_enable = 1;
|
|
/* AR11 */
|
|
crtc.screen_border_color = 0;
|
|
/* AR12 */
|
|
crtc.enable_color_plane = 0xf;
|
|
/* AR13 */
|
|
crtc.horizontal_pixel_pan = 0;
|
|
|
|
/* SR27 */
|
|
crtc.logical_screen_width = 3;
|
|
crtc.graphics_prog_enable = 1;
|
|
|
|
/* SR38 */
|
|
crtc.extended_clock_select = 0;
|
|
|
|
if (siss->cursor_base)
|
|
{
|
|
crtc_set_cursor_start_addr (&crtc, siss->cursor_off);
|
|
crtc.graphics_mode_hw_cursor = 0;
|
|
}
|
|
|
|
hactive = t->horizontal;
|
|
hblank = t->hblank;
|
|
hbp = t->hbp;
|
|
hfp = t->hfp;
|
|
|
|
vactive = t->vertical;
|
|
vblank = t->vblank;
|
|
vbp = t->vbp;
|
|
vfp = t->vfp;
|
|
|
|
pixel = (hactive + hblank) * (vactive + vblank) * t->rate;
|
|
|
|
switch (screen->bitsPerPixel) {
|
|
case 8:
|
|
hactive /= 8;
|
|
hblank /= 8;
|
|
hfp /= 8;
|
|
hbp /= 8;
|
|
|
|
crtc.color_mode_256 = 1;
|
|
h_screen_off = hactive;
|
|
h_adjust = 1;
|
|
|
|
break;
|
|
case 16:
|
|
hactive /= 8;
|
|
hblank /= 8;
|
|
hfp /= 8;
|
|
hbp /= 8;
|
|
|
|
h_screen_off = hactive * 2;
|
|
h_adjust = 1;
|
|
|
|
crtc.color_mode_256 = 0;
|
|
|
|
if (screen->depth == 15)
|
|
crtc.graphics_mode_32k = 1;
|
|
else
|
|
crtc.graphics_mode_64k = 1;
|
|
break;
|
|
case 24:
|
|
hactive /= 8;
|
|
hblank /= 8;
|
|
hfp /= 8;
|
|
hbp /= 8;
|
|
|
|
h_screen_off = hactive * 3;
|
|
h_adjust = 1;
|
|
|
|
crtc.color_mode_256 = 0;
|
|
|
|
/* SR6 */
|
|
crtc.graphics_mode_true = 1;
|
|
/* SR7 */
|
|
crtc.direct_color_24bit = 0;
|
|
/* SR9 */
|
|
crtc.true_color_32bpp = 0;
|
|
/* SRB */
|
|
crtc.true_color_order = 1;
|
|
break;
|
|
case 32:
|
|
hactive /= 8;
|
|
hblank /= 8;
|
|
hfp /= 8;
|
|
hbp /= 8;
|
|
|
|
h_screen_off = hactive * 4;
|
|
h_adjust = 1;
|
|
|
|
crtc.color_mode_256 = 0;
|
|
|
|
/* SR6 */
|
|
crtc.graphics_mode_true = 1;
|
|
/* SR7 */
|
|
crtc.direct_color_24bit = 0;
|
|
/* SR9 */
|
|
crtc.true_color_32bpp = 1;
|
|
/* SRB */
|
|
crtc.true_color_order = 1;
|
|
break;
|
|
}
|
|
|
|
sisGetClock (pixel, &crtc);
|
|
|
|
crtc.high_speed_dac_0 = crtc.high_speed_dac_1 = pixel > 135000000;
|
|
|
|
sisEngThresh (&crtc, pixel, screen->bitsPerPixel);
|
|
|
|
/*
|
|
* Compute horizontal register values from timings
|
|
*/
|
|
h_total = hactive + hblank - 5;
|
|
h_display_end = hactive - 1;
|
|
h_blank_start = h_display_end;
|
|
h_blank_end = h_blank_start + hblank;
|
|
|
|
h_sync_start = hactive + hfp + h_adjust;
|
|
h_sync_end = h_sync_start + hblank - hbp - hfp;
|
|
|
|
crtc_set_h_total(&crtc, h_total);
|
|
crtc_set_h_display_end (&crtc, h_display_end);
|
|
crtc_set_h_blank_start (&crtc, h_blank_start);
|
|
crtc_set_h_blank_end (&crtc, h_blank_end);
|
|
crtc_set_h_sync_start (&crtc, h_sync_start);
|
|
crtc_set_h_sync_end (&crtc, h_sync_end);
|
|
crtc_set_screen_off (&crtc, h_screen_off);
|
|
|
|
v_total = vactive + vblank - 2;
|
|
v_retrace_start = vactive + vfp - 1;
|
|
v_retrace_end = v_retrace_start + vblank - vbp - vfp;
|
|
v_display_end = vactive - 1;
|
|
v_blank_start = vactive - 1;
|
|
v_blank_end = v_blank_start + vblank /* - 1 */;
|
|
|
|
crtc_set_v_total(&crtc, v_total);
|
|
crtc_set_v_retrace_start (&crtc, v_retrace_start);
|
|
crtc.v_retrace_end_0_3 = v_retrace_end;
|
|
crtc_set_v_display_end (&crtc, v_display_end);
|
|
crtc_set_v_blank_start (&crtc, v_blank_start);
|
|
crtc.v_blank_end_0_7 = v_blank_end;
|
|
|
|
_sisSetCrtc (sisc, &crtc);
|
|
}
|
|
|
|
Bool
|
|
sisDPMS (ScreenPtr pScreen, int mode)
|
|
{
|
|
KdScreenPriv(pScreen);
|
|
sisCardInfo(pScreenPriv);
|
|
union ddc_and_power_control_u _ddc_and_power_control_u;
|
|
|
|
ddc_and_power_control = sisc->save.crtc.ddc_and_power_control;
|
|
|
|
kbd_cursor_activate = 0;
|
|
video_memory_activate = 0;
|
|
vga_standby = 0;
|
|
vga_suspend = 0;
|
|
acpi_enable = 0;
|
|
switch (mode) {
|
|
case KD_DPMS_NORMAL:
|
|
break;
|
|
case KD_DPMS_STANDBY:
|
|
vga_standby = 1;
|
|
break;
|
|
case KD_DPMS_SUSPEND:
|
|
vga_suspend = 1;
|
|
break;
|
|
case KD_DPMS_POWERDOWN:
|
|
acpi_enable = 1;
|
|
break;
|
|
}
|
|
PutSrtc (sisc, 0x11, ddc_and_power_control);
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
sisDisable (ScreenPtr pScreen)
|
|
{
|
|
}
|
|
|
|
void
|
|
sisRestore (KdCardInfo *card)
|
|
{
|
|
SisCardInfo *sisc = (SisCardInfo *) card->driver;
|
|
|
|
_sisSetCrtc (sisc, &sisc->save.crtc);
|
|
PutSrtc (sisc, 0xb, sisc->save.srb);
|
|
PutSrtc (sisc, 0x5, sisc->save.sr5);
|
|
}
|
|
|
|
void
|
|
sisScreenFini (KdScreenInfo *screen)
|
|
{
|
|
SisScreenInfo *siss = (SisScreenInfo *) screen->driver;
|
|
|
|
xfree (siss);
|
|
screen->driver = 0;
|
|
}
|
|
|
|
void
|
|
sisCardFini (KdCardInfo *card)
|
|
{
|
|
SisCardInfo *sisc = (SisCardInfo *) card->driver;
|
|
|
|
KdUnmapDevice (sisc->frameBuffer, sisc->memory);
|
|
KdUnmapDevice (sisc->registers, sizeof (SisRec));
|
|
ioperm (sisc->io_base, 0x80, 0);
|
|
}
|
|
|
|
KdCardFuncs sisFuncs = {
|
|
sisCardInit,
|
|
sisScreenInit,
|
|
0,
|
|
sisPreserve,
|
|
sisEnable,
|
|
sisDPMS,
|
|
sisDisable,
|
|
sisRestore,
|
|
sisScreenFini,
|
|
sisCardFini,
|
|
sisCursorInit,
|
|
sisCursorEnable,
|
|
sisCursorDisable,
|
|
sisCursorFini,
|
|
0,
|
|
sisDrawInit,
|
|
sisDrawEnable,
|
|
sisDrawSync,
|
|
sisDrawDisable,
|
|
sisDrawFini,
|
|
sisGetColors,
|
|
sisPutColors,
|
|
};
|