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-rw-r--r--hw/kdrive/igs/igs.c669
1 files changed, 0 insertions, 669 deletions
diff --git a/hw/kdrive/igs/igs.c b/hw/kdrive/igs/igs.c
deleted file mode 100644
index 1b0907d4f..000000000
--- a/hw/kdrive/igs/igs.c
+++ /dev/null
@@ -1,669 +0,0 @@
-/*
- * $RCSId: xc/programs/Xserver/hw/kdrive/igs/igs.c,v 1.2 2000/05/24 23:52:47 keithp Exp $
- *
- * Copyright © 1999 SuSE, Inc.
- *
- * 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 SuSE not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. SuSE makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
- * 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.
- *
- * Author: Keith Packard, SuSE, Inc.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "igs.h"
-
-Bool
-igsCardInit (KdCardInfo *card)
-{
- int k;
- char *pixels;
- IgsCardInfo *igsc;
-
- igsc = (IgsCardInfo *) xalloc (sizeof (IgsCardInfo));
- if (!igsc)
- return FALSE;
-
- memset (igsc, '\0', sizeof (IgsCardInfo));
-
- igsc->frameBuffer = (CARD8 *) KdMapDevice (card->attr.address[0] +
- IGS_FB,
- IGS_MEM);
-
- igsc->vga = (VOL8 *) KdMapDevice (card->attr.address[0] +
- IGS_VGA,
- 64 * 1024);
-
- igsc->cop = (Cop5xxx *) KdMapDevice (card->attr.address[0] +
- IGS_COP_OFFSET,
- sizeof (Cop5xxx));
-
- igsc->copData = (VOL32 *) KdMapDevice (card->attr.address[0] +
- IGS_COP_DATA,
- IGS_COP_DATA_LEN);
-
- igsRegInit (&igsc->igsvga, igsc->vga);
-
- card->driver = igsc;
-
- return TRUE;
-}
-
-Bool
-igsModeSupported (KdScreenInfo *screen,
- const KdMonitorTiming *t)
-{
- /* make sure the clock isn't too fast */
- if (t->clock > IGS_MAX_CLOCK)
- return FALSE;
- /* width must be a multiple of 16 */
- if (t->horizontal & 0xf)
- return FALSE;
- return TRUE;
-}
-
-Bool
-igsModeUsable (KdScreenInfo *screen)
-{
- KdCardInfo *card = screen->card;
- int screen_size;
- int pixel_width;
- int byte_width;
- int fb = 0;
-
- screen_size = 0;
- if (screen->fb[fb].depth >= 24)
- {
- screen->fb[fb].depth = 24;
- if (screen->fb[fb].bitsPerPixel != 24)
- screen->fb[fb].bitsPerPixel = 32;
- }
- else if (screen->fb[fb].depth >= 16)
- {
- screen->fb[fb].depth = 16;
- screen->fb[fb].bitsPerPixel = 16;
- }
- else if (screen->fb[fb].depth >= 15)
- {
- screen->fb[fb].depth = 15;
- screen->fb[fb].bitsPerPixel = 16;
- }
- else if (screen->fb[fb].depth >= 12)
- {
- screen->fb[fb].depth = 12;
- screen->fb[fb].bitsPerPixel = 16;
- }
- else
- {
- screen->fb[fb].depth = 8;
- screen->fb[fb].bitsPerPixel = 8;
- }
-
- byte_width = screen->width * (screen->fb[fb].bitsPerPixel >> 3);
- pixel_width = screen->width;
- screen->fb[fb].pixelStride = pixel_width;
- screen->fb[fb].byteStride = byte_width;
- screen_size += byte_width * screen->height;
-
- return TRUE;
-}
-
-Bool
-igsScreenInit (KdScreenInfo *screen)
-{
- IgsCardInfo *igsc = screen->card->driver;
- int fb = 0;
- IgsScreenInfo *igss;
- int screen_size, memory;
- int pattern_size;
- int tile_size;
- int stipple_size;
- int poffset, boffset;
- const KdMonitorTiming *t;
-
- 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, igsModeSupported);
-
- screen->rate = t->rate;
- screen->width = t->horizontal;
- screen->height = t->vertical;
-
- if (!KdTuneMode (screen, igsModeUsable, igsModeSupported))
- {
- return FALSE;
- }
-
- igss = (IgsScreenInfo *) xalloc (sizeof (IgsScreenInfo));
- if (!igss)
- return FALSE;
-
- memset (igss, '\0', sizeof (IgsScreenInfo));
-
- screen_size = screen->fb[fb].byteStride * screen->height;
- memory = IGS_MEM;
- memory -= screen_size;
- if (memory >= 1024)
- {
- igss->cursor_offset = memory - 1024;
-#if BITMAP_BIT_ORDER == MSBFirst
- igss->cursor_base = (CARD8 *) KdMapDevice (card->attr.address[0] +
- igss->cursor_offset,
- 1024);
-#else
- igss->cursor_base = igsc->frameBuffer + igss->cursor_offset;
-#endif
- memory -= 1024;
- }
- else
- igss->cursor_base = 0;
-
- tile_size = IgsTileSize(screen->fb[fb].bitsPerPixel) * IGS_NUM_PATTERN;
- stipple_size = IgsStippleSize(screen->fb[fb].bitsPerPixel) * IGS_NUM_PATTERN;
- pattern_size = tile_size + stipple_size;
- if (memory >= pattern_size)
- {
- boffset = screen_size;
- poffset = boffset * 8 / screen->fb[fb].bitsPerPixel;
- igss->tile.offset = poffset;
- igss->tile.base = igsc->frameBuffer + boffset;
-
- boffset = screen_size + tile_size;
- poffset = boffset * 8 / screen->fb[fb].bitsPerPixel;
- igss->stipple.offset = poffset;
- igss->stipple.base = igsc->frameBuffer + boffset;
-
- memory -= pattern_size;
- }
- else
- {
- igss->tile.base = 0;
- igss->stipple.base = 0;
- }
-
- switch (screen->fb[fb].depth) {
- case 8:
- screen->fb[fb].visuals = ((1 << StaticGray) |
- (1 << GrayScale) |
- (1 << StaticColor) |
- (1 << PseudoColor) |
- (1 << TrueColor) |
- (1 << DirectColor));
- screen->fb[fb].blueMask = 0x00;
- screen->fb[fb].greenMask = 0x00;
- screen->fb[fb].redMask = 0x00;
- break;
- case 15:
- screen->fb[fb].visuals = (1 << TrueColor);
- screen->fb[fb].blueMask = 0x001f;
- screen->fb[fb].greenMask = 0x03e0;
- screen->fb[fb].redMask = 0x7c00;
- break;
- case 16:
- screen->fb[fb].visuals = (1 << TrueColor);
- screen->fb[fb].blueMask = 0x001f;
- screen->fb[fb].greenMask = 0x07e0;
- screen->fb[fb].redMask = 0xf800;
- break;
- case 24:
- screen->fb[fb].visuals = (1 << TrueColor);
- screen->fb[fb].blueMask = 0x0000ff;
- screen->fb[fb].greenMask = 0x00ff00;
- screen->fb[fb].redMask = 0xff0000;
- break;
- }
-
- screen->fb[fb].pixelStride = screen->width;
- screen->fb[fb].byteStride = screen->width * (screen->fb[fb].bitsPerPixel >> 3);
- screen->fb[fb].frameBuffer = igsc->frameBuffer;
- if (!igsc->cop)
- screen->dumb = TRUE;
- screen->driver = igss;
- return TRUE;
-}
-
-Bool
-igsInitScreen(ScreenPtr pScreen)
-{
- return TRUE;
-}
-
-void
-igsPreserve (KdCardInfo *card)
-{
- IgsCardInfo *igsc = card->driver;
- IgsVga *igsvga = &igsc->igsvga;
-
- igsSave (igsvga);
-}
-
-void
-igsSetBlank (IgsVga *igsvga, Bool blank)
-{
- igsSetImm(igsvga, igs_screen_off, blank ? 1 : 0);
-}
-
-void
-igsSetSync (IgsCardInfo *igsc, int hsync, int vsync)
-{
- IgsVga *igsvga = &igsc->igsvga;
-
- igsSet (igsvga, igs_mexhsyn, hsync);
- igsSet (igsvga, igs_mexvsyn, vsync);
- VgaFlush (&igsvga->card);
-}
-
-
-/*
- * Clock synthesis:
- *
- * scale = p ? (2 * p) : 1
- * f_out = f_ref * ((M + 1) / ((N + 1) * scale))
- *
- * Constraints:
- *
- * 1. 115MHz <= f_ref * ((M + 1) / (N + 1)) <= 260 MHz
- * 2. N >= 1
- *
- * Vertical refresh rate = clock / ((hsize + hblank) * (vsize + vblank))
- * Horizontal refresh rate = clock / (hsize + hblank)
- */
-
-/* all in kHz */
-
-void
-igsGetClock (int target, int *Mp, int *Np, int *Pp, int maxM, int maxN, int maxP, int minVco)
-{
- int M, N, P, bestM, bestN;
- int f_vco, f_out;
- int err, abserr, besterr;
-
- /*
- * Compute correct P value to keep VCO in range
- */
- for (P = 0; P <= maxP; P++)
- {
- f_vco = target * IGS_SCALE(P);
- if (f_vco >= minVco)
- break;
- }
-
- /* M = f_out / f_ref * ((N + 1) * IGS_SCALE(P)); */
- besterr = target;
- for (N = 1; N <= maxN; N++)
- {
- M = ((target * (N + 1) * IGS_SCALE(P) + (IGS_CLOCK_REF/2)) + IGS_CLOCK_REF/2) / IGS_CLOCK_REF - 1;
- if (0 <= M && M <= maxM)
- {
- f_out = IGS_CLOCK(M,N,P);
- err = target - f_out;
- if (err < 0)
- err = -err;
- if (err < besterr)
- {
- besterr = err;
- bestM = M;
- bestN = N;
- }
- }
- }
- *Mp = bestM;
- *Np = bestN;
- *Pp = P;
-}
-
-Bool
-igsEnable (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- KdCardInfo *card = pScreenPriv->card;
- KdScreenInfo *screen = pScreenPriv->screen;
- IgsCardInfo *igsc = card->driver;
- IgsVga *igsvga = &igsc->igsvga;
- const KdMonitorTiming *t;
- int hactive, hblank, hfp, hbp;
- int vactive, vblank, vfp, vbp;
- int hsize;
- int fb = 0;
- int m, n, r;
- 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 v_total;
- int v_retrace_start;
- int v_retrace_end;
- int v_display_end;
- int v_blank_start;
- int v_blank_end;
- int offset;
- int num_fetch;
- int m_m, m_n, m_r;
-
-
- igsSetBlank (igsvga, TRUE);
-
- t = KdFindMode (screen, igsModeSupported);
-
- igsGetClock (t->clock, &m, &n, &r, 2047, 255, 7, IGS_MIN_VCO);
-
- /*
- * Set the chip so that 0x400000 is a big-endian frame buffer
- * with the correct byte swapping enabled
- */
- igsSet (igsvga, igs_biga22force, 0);
- igsSet (igsvga, igs_biga22en, 1);
- igsSet (igsvga, igs_biga24en, 1);
- /*
- * Enable 8-bit DACs
- */
- igsSet (igsvga, igs_rampwdn, 0);
- igsSet (igsvga, igs_dac6_8, 1);
- igsSet (igsvga, igs_dacpwdn, 0);
- /*
- * Set overscan to black
- */
- igsSet (igsvga, igs_overscan_red, 0x00);
- igsSet (igsvga, igs_overscan_green, 0x00);
- igsSet (igsvga, igs_overscan_blue, 0x00);
- /*
- * Enable PCI retries
- */
- igsSet (igsvga, igs_iow_retry, 1);
- igsSet (igsvga, igs_mw_retry, 1);
- igsSet (igsvga, igs_mr_retry, 1);
- igsSet (igsvga, igs_pci_burst_write, 1);
- igsSet (igsvga, igs_pci_burst_read, 1);
- /*
- * Set FIFO
- */
- igsSet (igsvga, igs_memgopg, 1);
- igsSet (igsvga, igs_memr2wpg, 0);
- igsSet (igsvga, igs_crtff16, 0);
- igsSet (igsvga, igs_fifomust, 0xff);
- igsSet (igsvga, igs_fifogen, 0xff);
- /*
- * Enable CRT reg access
- */
- igsSetImm (igsvga, igs_ena_vr_access, 1);
- igsSetImm (igsvga, igs_crt_protect, 0);
-
- hfp = t->hfp;
- hbp = t->hbp;
- hblank = t->hblank;
- hactive = t->horizontal;
- offset = screen->fb[0].byteStride;
-
- vfp = t->vfp;
- vbp = t->vbp;
- vblank = t->vblank;
- vactive = t->vertical;
-
- /*
- * Compute character lengths for horizontal timing values
- */
- hactive = screen->width / 8;
- hblank /= 8;
- hfp /= 8;
- hbp /= 8;
- offset /= 8;
-
- switch (screen->fb[fb].bitsPerPixel) {
- case 8:
- igsSet (igsvga, igs_overscan_red, pScreen->blackPixel);
- igsSet (igsvga, igs_overscan_green, pScreen->blackPixel);
- igsSet (igsvga, igs_overscan_blue, pScreen->blackPixel);
- igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_8);
- igsSet (igsvga, igs_mode_sel, IGS_MODE_8);
- igsSet (igsvga, igs_ramdacbypass, 0);
- break;
- case 16:
- igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_16);
- igsSet (igsvga, igs_ramdacbypass, 1);
- switch (screen->fb[fb].depth) {
- case 12:
- igsSet (igsvga, igs_mode_sel, IGS_MODE_4444);
- break;
- case 15:
- igsSet (igsvga, igs_mode_sel, IGS_MODE_5551);
- break;
- case 16:
- igsSet (igsvga, igs_mode_sel, IGS_MODE_565);
- break;
- }
- break;
- case 24:
- igsSet (igsvga, igs_ramdacbypass, 1);
- igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_8);
- igsSet (igsvga, igs_mode_sel, IGS_MODE_888);
- break;
- case 32:
- igsSet (igsvga, igs_ramdacbypass, 1);
- igsSet (igsvga, igs_bigswap, IGS_BIGSWAP_32);
- igsSet (igsvga, igs_mode_sel, IGS_MODE_8888);
- break;
- }
-
- /*
- * Compute horizontal register values from timings
- */
- h_total = hactive + hblank - 5;
- h_display_end = hactive - 1;
-
- h_sync_start = hactive + hfp;
- h_sync_end = hactive + hblank - hbp;
- /*
- * pad the blank values narrow a bit and use the border_select to
- * eliminate the remaining border; don't know why, but it doesn't
- * work in the documented fashion
- */
- h_blank_start = hactive - 1;
- h_blank_end = hactive + hblank - 1 - 1;
-
- num_fetch = (t->horizontal * screen->fb[fb].bitsPerPixel / 64) + 1;
-
- v_total = vactive + vblank - 2;
- v_display_end = vactive - 1;
-
- v_blank_start = vactive - 1;
- v_blank_end = v_blank_start + vblank - 1;
-
- v_retrace_start = vactive + vfp;
- v_retrace_end = vactive + vblank - vbp;
-
-#if 0
-#define chk(a,b,c) fprintf (stderr, "%20.20s: BIOS %6d X %6d\n", a, igsGet(igsvga, b), c);
-
- chk("h_total", igs_h_total, h_total);
- chk("h_display_end", igs_h_de_end, h_display_end);
- chk("h_sync_start", igs_h_rstart, h_sync_start);
- chk("h_sync_end", igs_h_rend, h_sync_end&0x1f);
- chk("h_blank_start", igs_h_bstart, h_blank_start);
- chk("h_blank_end", igs_h_bend, h_blank_end&0x3f);
- chk("offset", igs_offset, offset);
- chk("num_fetch", igs_num_fetch, num_fetch);
-
- chk("v_total", igs_v_total, v_total);
- chk("v_display_end", igs_v_de_end, v_display_end);
- chk("v_blank_start", igs_v_bstart, v_blank_start);
- chk("v_blank_end", igs_v_bend, v_blank_end&0xf);
- chk("v_retrace_start", igs_v_rstart, v_retrace_start);
- chk("v_retrace_end", igs_v_rend, v_retrace_end&0xf);
- chk("vclk_m", igs_vclk_m, m);
- chk("vclk_n", igs_vclk_n, n);
- chk("vclk_p", igs_vclk_p, r);
-
- fprintf (stderr, "%20.20s: BIOS %6d X %6d\n", "vclk",
- IGS_CLOCK(igsGet(igsvga,igs_vclk_m),
- igsGet(igsvga,igs_vclk_n),
- igsGet(igsvga,igs_vclk_p)),
- IGS_CLOCK(m,n,r));
-#endif
- igsSet (igsvga, igs_h_total, h_total);
- igsSet (igsvga, igs_h_de_end, h_display_end);
- igsSet (igsvga, igs_h_rstart, h_sync_start);
- igsSet (igsvga, igs_h_rend, h_sync_end);
- igsSet (igsvga, igs_h_bstart, h_blank_start);
- igsSet (igsvga, igs_h_bend, h_blank_end);
- igsSet (igsvga, igs_offset, offset);
- igsSet (igsvga, igs_num_fetch, num_fetch);
-
- igsSet (igsvga, igs_v_total, v_total);
- igsSet (igsvga, igs_v_de_end, v_display_end);
- igsSet (igsvga, igs_v_bstart, v_blank_start);
- igsSet (igsvga, igs_v_bend, v_blank_end&0xf);
- igsSet (igsvga, igs_v_rstart, v_retrace_start);
- igsSet (igsvga, igs_v_rend, v_retrace_end&0xf);
-
- igsSet (igsvga, igs_vclk_m, m);
- igsSet (igsvga, igs_vclk_n, n);
- igsSet (igsvga, igs_vclk_p, r);
- igsSet (igsvga, igs_vfsel, IGS_CLOCK(m, n, 0) >= 180000);
- VgaFlush (&igsvga->card);
-
- igsSetImm (igsvga, igs_frqlat, 0);
- igsSetImm (igsvga, igs_frqlat, 1);
- igsSetImm (igsvga, igs_frqlat, 0);
-
- igsSetBlank (igsvga, FALSE);
-#if 0
-#define dbg(a,b) fprintf(stderr, "%20.20s = 0x%x\n", a, igsGet(igsvga,b))
-
-#include "reg.dbg"
-
- {
- VGA16 reg;
- char buf[128];
-
- for (reg = 0; reg < IGS_NREG; reg++)
- fprintf(stderr, "%20.20s = 0x%02x\n", igsRegName(buf, reg),
- VgaFetch (&igsvga->card, reg));
- }
-#endif
- return TRUE;
-}
-
-Bool
-igsDPMS (ScreenPtr pScreen, int mode)
-{
- KdScreenPriv(pScreen);
- IgsCardInfo *igsc = pScreenPriv->card->driver;
- IgsVga *igsvga = &igsc->igsvga;
-
- switch (mode) {
- case KD_DPMS_NORMAL:
- igsSetSync (igsc, 0, 0);
- igsSetBlank (igsvga, FALSE);
- break;
- case KD_DPMS_STANDBY:
- igsSetBlank (igsvga, TRUE);
- igsSetSync (igsc, 1, 0);
- break;
- case KD_DPMS_SUSPEND:
- igsSetBlank (igsvga, TRUE);
- igsSetSync (igsc, 0, 1);
- break;
- case KD_DPMS_POWERDOWN:
- igsSetBlank (igsvga, TRUE);
- igsSetSync (igsc, 1, 1);
- break;
- }
- return TRUE;
-}
-
-void
-igsDisable (ScreenPtr pScreen)
-{
-}
-
-void
-igsRestore (KdCardInfo *card)
-{
- IgsCardInfo *igsc = card->driver;
- IgsVga *igsvga = &igsc->igsvga;
-
- igsReset (igsvga);
-}
-
-void
-igsScreenFini (KdScreenInfo *screen)
-{
- IgsScreenInfo *igss = (IgsScreenInfo *) screen->driver;
-
-#if BITMAP_BIT_ORDER == MSBFirst
- if (igss->cursor_base)
- KdUnmapDevice ((void *) igss->cursor_base, 1024);
-#endif
- xfree (igss);
- screen->driver = 0;
-}
-
-void
-igsCardFini (KdCardInfo *card)
-{
- IgsCardInfo *igsc = card->driver;
-
- if (igsc->copData)
- KdUnmapDevice ((void *) igsc->copData, IGS_COP_DATA_LEN);
- if (igsc->cop)
- KdUnmapDevice ((void *) igsc->cop, sizeof (Cop5xxx));
- if (igsc->vga)
- KdUnmapDevice ((void *) igsc->vga, 64 * 1024);
- if (igsc->frameBuffer)
- KdUnmapDevice (igsc->frameBuffer, IGS_MEM);
- xfree (igsc);
- card->driver = 0;
-}
-
-KdCardFuncs igsFuncs = {
- igsCardInit, /* cardinit */
- igsScreenInit, /* scrinit */
- igsInitScreen,
- igsPreserve, /* preserve */
- igsEnable, /* enable */
- igsDPMS, /* dpms */
- igsDisable, /* disable */
- igsRestore, /* restore */
- igsScreenFini, /* scrfini */
- igsCardFini, /* cardfini */
-
- igsCursorInit, /* initCursor */
- igsCursorEnable, /* enableCursor */
- igsCursorDisable, /* disableCursor */
- igsCursorFini, /* finiCursor */
- 0, /* recolorCursor */
-
- igsDrawInit, /* initAccel */
- igsDrawEnable, /* enableAccel */
- igsDrawSync, /* drawSync */
- igsDrawDisable, /* disableAccel */
- igsDrawFini, /* finiAccel */
-
- igsGetColors, /* getColors */
- igsPutColors, /* putColors */
-};
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