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xenocara/xserver/hw/kdrive/sis530/sis.c

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/*
* Copyright © 1999 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include <kdrive-config.h>
#endif
#include "sis.h"
#define MAX_FB_SIZE (4096 * 1024)
#define MMIO_SIZE (64 * 1024)
int sisMemoryTable[8] = {
1, 2, 4, 0, 0, 2, 4, 8
};
Bool
sisCardInit (KdCardInfo *card)
{
SisCardInfo *sisc;
SisPtr sis;
int size;
CARD8 *registers;
CARD8 *temp_buffer;
CARD8 save_sr5;
sisc = (SisCardInfo *) xalloc (sizeof (SisCardInfo));
if (!sisc)
goto bail0;
sisc->io_base = card->attr.io;
/*
* enable access to SiS ports (no MMIO available)
*/
iopl(3);
save_sr5 = GetSrtc(sisc,0x5);
if (save_sr5 != 0x21)
save_sr5 = 0x86;
PutSrtc(sisc,0x5,0x86);
#if 0
{
int i;
for (i = 0; i <= 0x3f; i++)
fprintf (stderr, "SR%02x = %02x\n", i, GetSrtc(sisc,i));
}
#endif
sisc->memory = sisMemoryTable[GetSrtc(sisc,0xc)&0x7] * 1024 * 1024;
PutSrtc(sisc,0x5,save_sr5);
if (!sisc->memory)
{
ErrorF ("Can't detect SiS530 frame buffer\n");
goto bail1;
}
/*
* Map frame buffer and MMIO registers
*/
sisc->frameBuffer = KdMapDevice (card->attr.address[0], sisc->memory);
if (!sisc->frameBuffer)
goto bail1;
sisc->registers = KdMapDevice (card->attr.address[1], MMIO_SIZE);
if (!sisc->registers)
goto bail2;
/*
* Offset from base of MMIO to registers
*/
sisc->sis = (SisPtr) (sisc->registers + SIS_MMIO_OFFSET);
sisc->cpu_bitblt = (VOL32 *) sisc->registers;
card->driver = sisc;
return TRUE;
bail2:
KdUnmapDevice (sisc->frameBuffer, sisc->memory);
bail1:
xfree (sisc);
bail0:
return FALSE;
}
Bool
sisModeSupported (KdScreenInfo *screen, const KdMonitorTiming *t)
{
if (t->horizontal != 1600 &&
t->horizontal != 1280 &&
t->horizontal != 1152 &&
t->horizontal != 1024 &&
t->horizontal != 800 &&
t->horizontal != 640)
return FALSE;
return TRUE;
}
Bool
sisModeUsable (KdScreenInfo *screen)
{
KdCardInfo *card = screen->card;
SisCardInfo *sisc = (SisCardInfo *) card->driver;
SisScreenInfo *siss;
int i;
KdMonitorTiming *t;
CARD32 memory;
int byte_width, pixel_width, screen_size;
if (screen->fb[0].depth >= 24)
{
screen->fb[0].depth = 24;
screen->fb[0].bitsPerPixel = 24;
screen->dumb = TRUE;
}
else if (screen->fb[0].depth >= 16)
{
screen->fb[0].depth = 16;
screen->fb[0].bitsPerPixel = 16;
}
else if (screen->fb[0].depth >= 15)
{
screen->fb[0].depth = 15;
screen->fb[0].bitsPerPixel = 16;
}
else
{
screen->fb[0].depth = 8;
screen->fb[0].bitsPerPixel = 8;
}
byte_width = screen->width * (screen->fb[0].bitsPerPixel >> 3);
pixel_width = screen->width;
screen->fb[0].pixelStride = pixel_width;
screen->fb[0].byteStride = byte_width;
screen_size = byte_width * screen->height;
return screen_size <= sisc->memory;
}
Bool
sisScreenInit (KdScreenInfo *screen)
{
KdCardInfo *card = screen->card;
SisCardInfo *sisc = (SisCardInfo *) card->driver;
SisScreenInfo *siss;
int i;
const KdMonitorTiming *t;
CARD32 memory;
int byte_width, pixel_width, screen_size;
siss = (SisScreenInfo *) xalloc (sizeof (SisScreenInfo));
if (!siss)
return FALSE;
memset (siss, '\0', sizeof (SisScreenInfo));
if (!screen->width || !screen->height)
{
screen->width = 800;
screen->height = 600;
screen->rate = 72;
}
if (!screen->fb[0].depth)
screen->fb[0].depth = 8;
t = KdFindMode (screen, sisModeSupported);
screen->rate = t->rate;
screen->width = t->horizontal;
screen->height = t->vertical;
if (!KdTuneMode (screen, sisModeUsable, sisModeSupported))
{
xfree (sisc);
return FALSE;
}
memory = sisc->memory - screen_size;
screen->fb[0].frameBuffer = sisc->frameBuffer;
/*
* Cursor lives in the last 16k of memory
*/
if (memory >= 16384 && !screen->softCursor)
{
siss->cursor_base = sisc->frameBuffer + (sisc->memory - 16384);
siss->cursor_off = siss->cursor_base - sisc->frameBuffer;
memory -= 16384;
}
else
{
screen->softCursor = TRUE;
siss->cursor_base = 0;
siss->cursor_off = 0;
}
if (memory > 8192)
{
siss->expand = screen->fb[0].frameBuffer + screen_size;
siss->expand_off = siss->expand - sisc->frameBuffer;
siss->expand_len = memory;
memory = 0;
}
else
{
siss->expand = 0;
siss->expand_len = 0;
}
switch (screen->fb[0].depth) {
case 8:
screen->fb[0].visuals = ((1 << StaticGray) |
(1 << GrayScale) |
(1 << StaticColor) |
(1 << PseudoColor) |
(1 << TrueColor) |
(1 << DirectColor));
screen->fb[0].blueMask = 0x00;
screen->fb[0].greenMask = 0x00;
screen->fb[0].redMask = 0x00;
break;
case 15:
screen->fb[0].visuals = (1 << TrueColor);
screen->fb[0].blueMask = 0x001f;
screen->fb[0].greenMask = 0x03e0;
screen->fb[0].redMask = 0x7c00;
break;
case 16:
screen->fb[0].visuals = (1 << TrueColor);
screen->fb[0].blueMask = 0x001f;
screen->fb[0].greenMask = 0x07e0;
screen->fb[0].redMask = 0xf800;
break;
case 24:
screen->fb[0].visuals = (1 << TrueColor);
screen->fb[0].blueMask = 0x0000ff;
screen->fb[0].greenMask = 0x00ff00;
screen->fb[0].redMask = 0xff0000;
break;
}
screen->driver = siss;
return TRUE;
}
static void
_sisGetCrtc (SisCardInfo *sisc, SisCrtc *crtc)
{
crtc->misc_output = _sisInb(sisc->io_base+0x4c);
crtc->h_total_0_7 = GetCrtc (sisc, 0x00);
crtc->h_display_end_0_7 = GetCrtc (sisc, 0x01);
crtc->h_blank_start_0_7 = GetCrtc (sisc, 0x02);
crtc->_h_blank_end = GetCrtc (sisc, 0x03);
crtc->h_sync_start_0_7 = GetCrtc (sisc, 0x04);
crtc->_h_sync_end = GetCrtc (sisc, 0x05);
crtc->v_total_0_7 = GetCrtc (sisc, 0x06);
crtc->crtc_overflow = GetCrtc (sisc, 0x07);
crtc->preset_row_scan = GetCrtc (sisc, 0x08);
crtc->_max_scan_line = GetCrtc (sisc, 0x09);
crtc->cursor_start = GetCrtc (sisc, 0x0a);
crtc->cursor_end = GetCrtc (sisc, 0x0a);
crtc->start_address_8_15 = GetCrtc (sisc, 0x0c);
crtc->start_address_0_7 = GetCrtc (sisc, 0x0d);
crtc->text_cursor_15_8 = GetCrtc (sisc, 0x0e);
crtc->text_cursor_7_0 = GetCrtc (sisc, 0x0f);
crtc->v_retrace_start_0_7 = GetCrtc (sisc, 0x10);
crtc->_v_retrace_end = GetCrtc (sisc, 0x11);
crtc->v_display_end_0_7 = GetCrtc (sisc, 0x12);
crtc->screen_off_0_7 = GetCrtc (sisc, 0x13);
crtc->_underline_location = GetCrtc (sisc, 0x14);
crtc->v_blank_start_0_7 = GetCrtc (sisc, 0x15);
crtc->v_blank_end_0_7 = GetCrtc (sisc, 0x16);
crtc->crtc_mode = GetCrtc (sisc, 0x17);
crtc->line_compare_0_7 = GetCrtc (sisc, 0x18);
crtc->mode_control = GetArtc (sisc, 0x10);
crtc->screen_border_color = GetArtc (sisc, 0x11);
crtc->enable_color_plane = GetArtc (sisc, 0x12);
crtc->horizontal_pixel_pan = GetArtc (sisc, 0x13);
crtc->mode_register = GetGrtc (sisc, 0x5);
crtc->misc_register = GetGrtc (sisc, 0x6);
crtc->color_dont_care = GetGrtc (sisc, 0x7);
crtc->clock_mode = GetSrtc (sisc, 0x1);
crtc->color_plane_w_enable = GetSrtc (sisc, 0x2);
crtc->memory_mode = GetSrtc (sisc, 0x4);
crtc->graphics_mode = GetSrtc (sisc, 0x6);
crtc->misc_control_0 = GetSrtc (sisc, 0x7);
crtc->crt_cpu_threshold_control_0 = GetSrtc (sisc, 0x8);
crtc->crt_cpu_threshold_control_1 = GetSrtc (sisc, 0x9);
crtc->extended_crt_overflow = GetSrtc (sisc, 0xa);
crtc->misc_control_1 = GetSrtc (sisc, 0xb);
crtc->misc_control_2 = GetSrtc (sisc, 0xc);
crtc->ddc_and_power_control = GetSrtc (sisc, 0x11);
crtc->extended_horizontal_overflow = GetSrtc (sisc, 0x12);
crtc->extended_clock_generator = GetSrtc (sisc, 0x13);
crtc->cursor_0_red = GetSrtc (sisc, 0x14);
crtc->cursor_0_green = GetSrtc (sisc, 0x15);
crtc->cursor_0_blue = GetSrtc (sisc, 0x16);
crtc->cursor_1_red = GetSrtc (sisc, 0x17);
crtc->cursor_1_green = GetSrtc (sisc, 0x18);
crtc->cursor_1_blue = GetSrtc (sisc, 0x19);
crtc->cursor_h_start_0_7 = GetSrtc (sisc, 0x1a);
crtc->cursor_h_start_1 = GetSrtc (sisc, 0x1b);
crtc->cursor_h_preset_0_5 = GetSrtc (sisc, 0x1c);
crtc->cursor_v_start_0_7 = GetSrtc (sisc, 0x1d);
crtc->cursor_v_start_1 = GetSrtc (sisc, 0x1e);
crtc->cursor_v_preset_0_5 = GetSrtc (sisc, 0x1f);
crtc->linear_base_19_26 = GetSrtc (sisc, 0x20);
crtc->linear_base_1 = GetSrtc (sisc, 0x21);
crtc->graphics_engine_0 = GetSrtc (sisc, 0x26);
crtc->graphics_engine_1 = GetSrtc (sisc, 0x27);
crtc->internal_mclk_0 = GetSrtc (sisc, 0x28);
crtc->internal_mclk_1 = GetSrtc (sisc, 0x29);
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)
{
_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, 0x0a, crtc->cursor_start);
PutCrtc (sisc, 0x0b, crtc->cursor_end);
PutCrtc (sisc, 0x0c, crtc->start_address_8_15);
PutCrtc (sisc, 0x0d, crtc->start_address_0_7);
PutCrtc (sisc, 0x0e, crtc->text_cursor_15_8);
PutCrtc (sisc, 0x0f, crtc->text_cursor_7_0);
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);
PutGrtc (sisc, 0x6, crtc->misc_register);
PutGrtc (sisc, 0x7, crtc->color_dont_care);
PutSrtc (sisc, 0x1, crtc->clock_mode | 0x20);
PutSrtc (sisc, 0x2, crtc->color_plane_w_enable);
PutSrtc (sisc, 0x4, crtc->memory_mode);
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);
#if 0
PutCrtc (sisc, 0x5b, 0x27);
PutCrtc (sisc, 0x5c, 0xe1);
PutCrtc (sisc, 0x5d, 0x00);
PutSrtc (sisc, 0x5a, 0xe6);
PutSrtc (sisc, 0x5d, 0xa1);
PutSrtc (sisc, 0x9a, 0xe6);
PutSrtc (sisc, 0x9d, 0xa1);
PutSrtc (sisc, 0xda, 0xe6);
PutSrtc (sisc, 0xdd, 0x6c);
#endif
_sisOutb(crtc->misc_output, sisc->io_base+0x42);
outw (0x3c4, 0x0100);
outw (0x3c4, 0x0300);
_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);
}
CARD8
_sisReadArtc (CARD32 base, CARD8 index)
{
CARD8 ret;
_sisInb (base+0x1a);
_sisOutb (index,base);
ret = _sisInb (base+1);
_sisInb (base+0x1a);
_sisOutb (0x20,base);
return ret;
}
void
_sisWriteArtc (CARD32 base, CARD8 index, CARD8 value)
{
_sisInb (base+0x1a);
_sisOutb (index|0x20,base);
_sisOutb (value,base);
_sisInb (base+0x1a);
_sisOutb (0x20,base);
}
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);
/* unlock CRTC registers */
PutCrtc(sisc,0x11,GetCrtc(sisc,0x11)&~0x80);
/* enable vga */
_sisOutb(0x1,sisc->io_base+0x43);
/* enable MMIO access to registers */
sisc->save.srb = GetSrtc(sisc,0xb);
PutSrtc(sisc, 0xb, sisc->save.srb | 0x60);
_sisGetCrtc (sisc, &sisc->save.crtc);
memcpy (sisc->save.text_save, sisc->frameBuffer, SIS_TEXT_SAVE);
}
Bool
sisEnable (ScreenPtr pScreen)
{
KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen;
KdCardInfo *card = pScreenPriv->card;
SisCardInfo *sisc = card->driver;
SisScreenInfo *siss = screen->driver;
const KdMonitorTiming *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 = KdFindMode (screen, sisModeSupported);
/* CR9 */
crtc.max_scan_line = 0;
/* CRA */
crtc.cursor_start = 0;
/* CRB */
crtc.cursor_end = 0;
/* CRE */
crtc.text_cursor_15_8 = 0;
/* CRF */
crtc.text_cursor_7_0 = 0;
/* CR11 */
crtc.disable_v_retrace_int = 1;
/* CR14 */
crtc.underline_location = 0;
crtc.count_by_four = 0;
crtc.doubleword_mode = 1;
/* 3CC/3C2 */
crtc.io_address_select = 1;
crtc.display_ram_enable = 1;
crtc.clock_select = 3;
/* SR1 */
crtc.clock_mode = 0;
crtc.dot_clock_8_9 = 1;
/* SR2 */
crtc.color_plane_w_enable = 0xf;
/* SR4 */
crtc.memory_mode = 0;
crtc.chain_4_enable = 1;
crtc.odd_even_disable = 1;
crtc.extended_memory_sz = 1;
/* SR6 */
crtc.graphics_mode_linear = 1;
crtc.enhanced_graphics_mode = 1;
/* SR9 */
crtc.crt_cpu_threshold_control_1 = 0;
/* SRB */
#if 0
crtc.cpu_bitblt_enable = 1;
#endif
crtc.memory_mapped_mode = 3;
/* SRC */
crtc.graphics_mode_32bit_enable = 1;
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;
crtc.cursor_0_red = 0x3f;
crtc.cursor_0_green = 0x3f;
crtc.cursor_0_blue = 0x3f;
/* SR20 */
crtc.linear_base_19_26 = (card->attr.address[0] & 0x07f80000) >> 19;
/* SR21 */
crtc.linear_base_27_31 = (card->attr.address[0] & 0xf8000000) >> 27;
crtc.linear_aperture = SIS_LINEAR_APERTURE_4M;
/* SR27 */
crtc.logical_screen_width = 3;
crtc.graphics_prog_enable = 1;
/* SR38 */
crtc.extended_clock_select = 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;
/* GR5 */
crtc.mode_register = 0;
/* GR6 */
crtc.graphics_enable = 1;
crtc.chain_odd_even = 0;
crtc.memory_address_select = 1;
/* GR7 */
crtc.color_dont_care = 0xf;
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->fb[0].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->fb[0].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->fb[0].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;
#if 0
crtc.h_blank_start_0_7 = 0x6a;
crtc._h_blank_end = 0x9a;
crtc.h_sync_start_0_7 = 0x6b;
crtc._h_sync_end = 0x9a;
crtc.v_retrace_start_0_7 = 0x7d;
crtc._v_retrace_end = 0x23;
crtc.v_blank_start_0_7 = 0x7d;
crtc.v_blank_end_0_7 = 0x84;
crtc.crt_cpu_threshold_control_0 = 0xdf; /* SR8 */
crtc.crt_cpu_threshold_control_1 = 0x00; /* SR9 */
crtc.extended_clock_generator = 0x40; /* SR13 */
crtc.cursor_h_start_0_7 = 0x83;
crtc.cursor_v_start_0_7 = 0x6c;
crtc.internal_vclk_0 = 0x68;
crtc.internal_vclk_1 = 0xc4;
crtc.misc_control_7 = 0x70;
#endif
_sisSetCrtc (sisc, &crtc);
return TRUE;
}
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;
memcpy (sisc->frameBuffer, sisc->save.text_save, SIS_TEXT_SAVE);
_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));
}
KdCardFuncs sisFuncs = {
sisCardInit,
sisScreenInit,
0,
sisPreserve,
sisEnable,
sisDPMS,
sisDisable,
sisRestore,
sisScreenFini,
sisCardFini,
sisCursorInit,
sisCursorEnable,
sisCursorDisable,
sisCursorFini,
0,
sisDrawInit,
sisDrawEnable,
sisDrawSync,
sisDrawDisable,
sisDrawFini,
sisGetColors,
sisPutColors,
};
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