diff options
Diffstat (limited to 'hw/kdrive/pcmcia/pcmcia.c')
| -rw-r--r-- | hw/kdrive/pcmcia/pcmcia.c | 1200 |
1 files changed, 0 insertions, 1200 deletions
diff --git a/hw/kdrive/pcmcia/pcmcia.c b/hw/kdrive/pcmcia/pcmcia.c deleted file mode 100644 index 087b0a604..000000000 --- a/hw/kdrive/pcmcia/pcmcia.c +++ /dev/null @@ -1,1200 +0,0 @@ -/* - * Copyright 2001 by Alan Hourihane, Sychdyn, North Wales, UK. - * - * 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 Alan Hourihane not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Alan Hourihane makes no representations - * about the suitability of this software for any purpose. It is provided - * "as is" without express or implied warranty. - * - * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO - * EVENT SHALL ALAN HOURIHANE 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. - * - * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> - * - * A driver for the following PCMCIA cards... - * Hewlett Packards HP VGA Out (Model F1252A) - * Colorgraphics Voyager VGA - * - * Tested running under a Compaq IPAQ Pocket PC running Linux - */ -/* $RCSId: xc/programs/Xserver/hw/kdrive/pcmcia/pcmcia.c,v 1.6 2002/10/14 18:01:41 keithp Exp $ */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "pcmcia.h" -#define extern -#include <asm/io.h> -#undef extern - -#define CLOCK 14318 /* KHz */ -#define CLK_N(a,b) (a & 0xff) -#define CLK_M(a,b) ((b) & 0x3f) -#define CLK_K(a,b) (((b) >> 6) & 3) -#define CLK_FREQ(a,b) (((CLK_N(a,b) + 8) * CLOCK) / ((CLK_M(a,b)+2) << CLK_K(a,b))) - -extern void -tridentUpdatePacked (ScreenPtr pScreen, - shadowBufPtr pBuf); -extern void -cirrusUpdatePacked (ScreenPtr pScreen, - shadowBufPtr pBuf); - -static Bool -tridentSetCLK(int clock, CARD8 *a, CARD8 *b); - -static Bool -CirrusFindClock(int freq, int *num_out, int *den_out); - -Bool -pcmciaCardInit (KdCardInfo *card) -{ - pcmciaCardInfo *pcmciac; - CARD8 r9; - - pcmciac = (pcmciaCardInfo *) xalloc (sizeof (pcmciaCardInfo)); - if (!pcmciac) - return FALSE; - - pcmciac->cop_base = (CARD8 *) KdMapDevice (PCMCIA_COP_BASE(card), - PCMCIA_COP_SIZE(card)); - - r9 = pcmciaReadIndex (pcmciac, 0x3c4, 0x09); - /* - * Crude detection.... - * The trident chip has a read only register at 0x09, which returns 0x4. - * If it's not that, we assume the cirrus chip. - * BREAKAGE.! If we have an anonymous PCMCIA card inserted, we could - * potentially smash something here. FIXME ! - */ - if (r9 == 0x04) { - ErrorF("PCMCIA: Found HP VGA card\n"); - pcmciac->HP = TRUE; /* Select HP VGA Out Card */ - } else { - ErrorF("PCMCIA: Found Voyager VGA card\n"); - pcmciac->HP = FALSE; /* Select Voyager VGA Card */ - } - - if (pcmciac->HP) { - /* needed by the accelerator - later */ - pcmciac->cop = (Cop *) (pcmciac->cop_base + TRIDENT_COP_OFF(card)); - } - - /* - * Map frame buffer - */ - if (pcmciac->HP) - pcmciac->fb = KdMapDevice (0x2ce00000, 0x80000); - else - pcmciac->fb = KdMapDevice (0x2c0a0000, 0x10000); /*64K bank switched*/ - - if (!pcmciac->fb) - return FALSE; - - pcmciac->window = 0; - - card->driver = pcmciac; - - return TRUE; -} - -Bool -pcmciaModeSupported (KdScreenInfo *screen, - const KdMonitorTiming *t) -{ - KdCardInfo *card = screen->card; - pcmciaCardInfo *pcmciac = (pcmciaCardInfo *) card->driver; - - if (pcmciac->HP) - { - CARD8 a, b; - if (!tridentSetCLK (t->clock, &a, &b)) - return FALSE; - } - else - { - int a, b; - if (!CirrusFindClock (t->clock, &a, &b)) - return FALSE; - } - - /* width must be a multiple of 16 */ - if (t->horizontal & 0xf) - return FALSE; - return TRUE; -} - -Bool -pcmciaModeUsable (KdScreenInfo *screen) -{ - KdCardInfo *card = screen->card; - pcmciaCardInfo *pcmciac = (pcmciaCardInfo *) card->driver; - int screen_size; - int pixel_width; - int byte_width; - int fb; - - if (screen->fb[0].depth == 8) - screen->fb[0].bitsPerPixel = 8; - else if (screen->fb[0].depth == 15 || screen->fb[0].depth == 16) - screen->fb[0].bitsPerPixel = 16; - else - return FALSE; - - screen_size = 0; - screen->fb[0].pixelStride = screen->width; - screen->fb[0].byteStride = screen->width * (screen->fb[0].bitsPerPixel >>3); - screen->fb[0].frameBuffer = pcmciac->fb; - screen_size = screen->fb[0].byteStride * screen->height; - - return screen_size <= pcmciac->memory; -} - -Bool -pcmciaScreenInit (KdScreenInfo *screen) -{ - pcmciaCardInfo *pcmciac = screen->card->driver; - pcmciaScreenInfo *pcmcias; - int screen_size, memory; - int i; - const KdMonitorTiming *t; - - pcmcias = (pcmciaScreenInfo *) xalloc (sizeof (pcmciaScreenInfo)); - if (!pcmcias) - return FALSE; - memset (pcmcias, '\0', sizeof (pcmciaScreenInfo)); - - /* if (!pcmciac->cop) */ - screen->dumb = TRUE; - - if (screen->fb[0].depth < 8) - screen->fb[0].depth = 8; - - /* default to 16bpp */ - if (!screen->fb[0].depth) - screen->fb[0].depth = 16; - - /* default to 60Hz refresh */ - if (!screen->width || !screen->height) - { - screen->width = 640; - screen->height = 400; - screen->rate = 60; - } - - pcmciac->memory = 512 * 1024; - if (pcmciac->HP && !screen->softCursor && screen->fb[0].depth == 8) - { - /* ack, bail on the HW cursor for everything -- no ARGB falback */ - pcmcias->cursor_base = 0; -#if 0 - /* Let's do hw cursor for the HP card, only in 8bit mode though */ - pcmcias->cursor_base = pcmcias->screen + pcmciac->memory - 4096; - pcmciac->memory -= 4096; -#endif - } - - pcmcias->screen = pcmciac->fb; - screen->driver = pcmcias; - - t = KdFindMode (screen, pcmciaModeSupported); - - screen->rate = t->rate; - screen->width = t->horizontal; - screen->height = t->vertical; - - pcmcias->randr = screen->randr; - - if (!KdTuneMode (screen, pcmciaModeUsable, pcmciaModeSupported)) - { - xfree (pcmcias); - return FALSE; - } - - switch (screen->fb[0].depth) { - case 4: - screen->fb[0].visuals = ((1 << StaticGray) | - (1 << GrayScale) | - (1 << StaticColor)); - screen->fb[0].blueMask = 0x00; - screen->fb[0].greenMask = 0x00; - screen->fb[0].redMask = 0x00; - break; - 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; - } - - return TRUE; -} - -void * -tridentWindowLinear (ScreenPtr pScreen, - CARD32 row, - CARD32 offset, - int mode, - CARD32 *size, - void *closure) -{ - KdScreenPriv(pScreen); - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - - if (!pScreenPriv->enabled) - return 0; - - *size = pScreenPriv->screen->fb[0].byteStride; - return (CARD8 *) pcmciac->fb + row * pScreenPriv->screen->fb[0].byteStride + offset; -} - -void * -cirrusWindowWindowed (ScreenPtr pScreen, - CARD32 row, - CARD32 offset, - int mode, - CARD32 *size, - void *closure) -{ - KdScreenPriv(pScreen); - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - int bank, boffset; - - if (!pScreenPriv->enabled) - return 0; - - bank = (row * pScreenPriv->screen->fb[0].byteStride) / 0x1000; - pcmciaWriteIndex(pcmciac, 0x3ce, 0x0B, 0x0c); - pcmciaWriteIndex(pcmciac, 0x3ce, 0x09, bank); - pcmciaWriteIndex(pcmciac, 0x3ce, 0x0A, bank); - *size = pScreenPriv->screen->fb[0].byteStride; - return (CARD8 *) pcmciac->fb + (row * pScreenPriv->screen->fb[0].byteStride) - (bank * 0x1000) + offset; -} - -LayerPtr -pcmciaLayerCreate (ScreenPtr pScreen) -{ - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) pScreenPriv->screen->driver; - ShadowUpdateProc update; - ShadowWindowProc window; - PixmapPtr pPixmap; - int kind; - - if (pcmciac->HP) { - window = tridentWindowLinear; - if (pcmcias->randr == RR_Rotate_0) - update = tridentUpdatePacked; - else - update = pcmciaUpdateRotatePacked; - } else { - window = cirrusWindowWindowed; - if (pcmcias->randr == RR_Rotate_0) - update = cirrusUpdatePacked; - else - update = pcmciaUpdateRotatePacked; - } - - if (!update) - abort (); - - kind = LAYER_SHADOW; - pPixmap = 0; - - return LayerCreate (pScreen, kind, screen->fb[0].depth, - pPixmap, update, window, pcmcias->randr, 0); -} - -void -pcmciaConfigureScreen (ScreenPtr pScreen) -{ - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - FbdevPriv *priv = pScreenPriv->card->driver; - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) screen->driver; - KdMouseMatrix m; - - KdComputeMouseMatrix (&m, pcmcias->randr, - screen->width, screen->height); - - if (m.matrix[0][0]) - { - pScreen->width = screen->width; - pScreen->height = screen->height; - pScreen->mmWidth = screen->width_mm; - pScreen->mmHeight = screen->height_mm; - } - else - { - pScreen->width = screen->height; - pScreen->height = screen->width; - pScreen->mmWidth = screen->height_mm; - pScreen->mmHeight = screen->width_mm; - } - KdSetMouseMatrix (&m); -} - -#ifdef RANDR - -Bool -pcmciaRandRSupported (ScreenPtr pScreen, - const KdMonitorTiming *t) -{ - KdScreenPriv(pScreen); - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - KdScreenInfo *screen = pScreenPriv->screen; - int screen_size; - int byteStride; - - /* Make sure the clock is supported */ - if (!pcmciaModeSupported (screen, t)) - return FALSE; - /* Check for sufficient memory */ - byteStride = screen->width * (screen->fb[0].bitsPerPixel >>3); - screen_size = byteStride * screen->height; - - return screen_size <= pcmciac->memory; -} - -Bool -pcmciaRandRGetInfo (ScreenPtr pScreen, Rotation *rotations) -{ - KdScreenPriv(pScreen); - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) pScreenPriv->screen->driver; - - *rotations = (RR_Rotate_0|RR_Rotate_90|RR_Rotate_180|RR_Rotate_270| - RR_Reflect_X|RR_Reflect_Y); - - return KdRandRGetInfo (pScreen, pcmcias->randr, pcmciaRandRSupported); -} - -int -pcmciaLayerAdd (WindowPtr pWin, pointer value) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - LayerPtr pLayer = (LayerPtr) value; - - if (!LayerWindowAdd (pScreen, pLayer, pWin)) - return WT_STOPWALKING; - - return WT_WALKCHILDREN; -} - -int -pcmciaLayerRemove (WindowPtr pWin, pointer value) -{ - ScreenPtr pScreen = pWin->drawable.pScreen; - LayerPtr pLayer = (LayerPtr) value; - - LayerWindowRemove (pScreen, pLayer, pWin); - - return WT_WALKCHILDREN; -} - -pcmciaRandRSetConfig (ScreenPtr pScreen, - Rotation randr, - int rate, - RRScreenSizePtr pSize) -{ - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - FbdevPriv *priv = pScreenPriv->card->driver; - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) pScreenPriv->screen->driver; - Bool wasEnabled = pScreenPriv->enabled; - int newwidth, newheight; - LayerPtr pNewLayer; - int kind; - int oldrandr = pcmcias->randr; - PixmapPtr pPixmap; - const KdMonitorTiming *t; - - randr = KdAddRotation (screen->randr, randr); - - t = KdRandRGetTiming (pScreen, pcmciaRandRSupported, rate, pSize); - - if (wasEnabled) - KdDisableScreen (pScreen); - - screen->rate = t->rate; - screen->width = t->horizontal; - screen->height = t->vertical; - - pcmcias->randr = randr; - pcmciaConfigureScreen (pScreen); - - pNewLayer = pcmciaLayerCreate (pScreen); - - if (!pNewLayer) - { - pcmcias->randr = oldrandr; - pcmciaConfigureScreen (pScreen); - if (wasEnabled) - KdEnableScreen (pScreen); - return FALSE; - } - - if (WalkTree (pScreen, pcmciaLayerAdd, (pointer) pNewLayer) == WT_STOPWALKING) - { - WalkTree (pScreen, pcmciaLayerRemove, (pointer) pNewLayer); - LayerDestroy (pScreen, pNewLayer); - pcmcias->randr = oldrandr; - pcmciaConfigureScreen (pScreen); - if (wasEnabled) - KdEnableScreen (pScreen); - return FALSE; - } - WalkTree (pScreen, pcmciaLayerRemove, (pointer) pcmcias->pLayer); - LayerDestroy (pScreen, pcmcias->pLayer); - pcmcias->pLayer = pNewLayer; - if (wasEnabled) - KdEnableScreen (pScreen); - return TRUE; -} - -Bool -pcmciaRandRInit (ScreenPtr pScreen) -{ - rrScrPrivPtr pScrPriv; - - if (!RRScreenInit (pScreen)) - return FALSE; - - pScrPriv = rrGetScrPriv(pScreen); - pScrPriv->rrGetInfo = pcmciaRandRGetInfo; - pScrPriv->rrSetConfig = pcmciaRandRSetConfig; - return TRUE; -} -#endif - -Bool -pcmciaInitScreen (ScreenPtr pScreen) -{ - KdScreenPriv(pScreen); - FbdevPriv *priv = pScreenPriv->card->driver; - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) pScreenPriv->screen->driver; - - if (!LayerStartInit (pScreen)) - return FALSE; - if (!LayerFinishInit (pScreen)) - return FALSE; - - pcmciaConfigureScreen (pScreen); - - pcmcias->pLayer = pcmciaLayerCreate (pScreen); - if (!pcmcias->pLayer) - return FALSE; -#ifdef RANDR - if (!pcmciaRandRInit (pScreen)) - return FALSE; -#endif - return TRUE; -} - -CARD8 -pcmciaReadIndex (pcmciaCardInfo *pcmciac, CARD16 port, CARD8 index) -{ - CARD8 value; - - pcmciac->cop_base[port] = index; - value = pcmciac->cop_base[port+1]; - return value; -} - -void -pcmciaWriteIndex (pcmciaCardInfo *pcmciac, CARD16 port, CARD8 index, CARD8 value) -{ - pcmciac->cop_base[port] = index; - pcmciac->cop_base[port+1] = value; -} - -CARD8 -pcmciaReadReg (pcmciaCardInfo *pcmciac, CARD16 port) -{ - CARD8 value; - - value = pcmciac->cop_base[port]; - - return value; -} - -void -pcmciaWriteReg (pcmciaCardInfo *pcmciac, CARD16 port, CARD8 value) -{ - pcmciac->cop_base[port] = value; -} - - -void -pcmciaPause () -{ - struct timeval tv; - - tv.tv_sec = 0; - tv.tv_usec = 50 * 1000; - select (1, 0, 0, 0, &tv); -} - -void -pcmciaPreserve (KdCardInfo *card) -{ -} - -/* CLOCK_FACTOR is double the osc freq in kHz (osc = 14.31818 MHz) */ -#define CLOCK_FACTOR 28636 - -/* stability constraints for internal VCO -- MAX_VCO also determines the maximum Video pixel clock */ -#define MIN_VCO CLOCK_FACTOR -#define MAX_VCO 111000 - -/* clock in kHz is (numer * CLOCK_FACTOR / (denom & 0x3E)) >> (denom & 1) */ -#define VCOVAL(n, d) \ - ((((n) & 0x7F) * CLOCK_FACTOR / ((d) & 0x3E)) ) - -#define CLOCKVAL(n, d) \ - (VCOVAL(n, d) >> ((d) & 1)) - -static Bool -CirrusFindClock(int freq, int *num_out, int *den_out) -{ - int n; - int num = 0, den = 0; - int mindiff; - - /* - * If max_clock is greater than the MAX_VCO default, ignore - * MAX_VCO. On the other hand, if MAX_VCO is higher than max_clock, - * make use of the higher MAX_VCO value. - */ - - mindiff = freq; - for (n = 0x10; n < 0x7f; n++) { - int d; - for (d = 0x14; d < 0x3f; d++) { - int c, diff; - /* Avoid combinations that can be unstable. */ - if ((VCOVAL(n, d) < MIN_VCO) || (VCOVAL(n, d) > MAX_VCO)) - continue; - c = CLOCKVAL(n, d); - diff = abs(c - freq); - if (diff < mindiff) { - mindiff = diff; - num = n; - den = d; - } - } - } - if (n == 0x80) - return FALSE; - - *num_out = num; - *den_out = den; - - return TRUE; -} - - -static Bool -tridentSetCLK(int clock, CARD8 *a, CARD8 *b) -{ - int powerup[4] = { 1,2,4,8 }; - int clock_diff = 750; - int freq, ffreq; - int m, n, k; - int p, q, r, s; - int startn, endn; - int endm, endk; - - p = q = r = s = 0; - - startn = 0; - endn = 121; - endm = 31; - endk = 1; - - freq = clock; - - for (k=0;k<=endk;k++) - for (n=startn;n<=endn;n++) - for (m=1;m<=endm;m++) - { - ffreq = ( ( ((n + 8) * CLOCK) / ((m + 2) * powerup[k]) )); - if ((ffreq > freq - clock_diff) && (ffreq < freq + clock_diff)) - { - clock_diff = (freq > ffreq) ? freq - ffreq : ffreq - freq; - p = n; q = m; r = k; s = ffreq; - } - } - -#if 0 - ErrorF ("ffreq %d clock %d\n", s, clock); -#endif - if (s == 0) - return FALSE; - - /* N is first 7bits, first M bit is 8th bit */ - *a = ((1 & q) << 7) | p; - /* first 4bits are rest of M, 1bit for K value */ - *b = (((q & 0xFE) >> 1) | (r << 4)); - return TRUE; -} - -Bool -pcmciaEnable (ScreenPtr pScreen) -{ - KdScreenPriv(pScreen); - KdScreenInfo *screen = pScreenPriv->screen; - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) screen->driver; - int i,j; - unsigned char Sequencer[6]; - unsigned char CRTC[31]; - unsigned char Graphics[9]; - unsigned char Attribute[21]; - unsigned char MiscOutReg; - const KdMonitorTiming *t; - int hactive, hblank, hfp, hbp; - int vactive, vblank, vfp, vbp; - - int h_active; - int h_total; - int h_display_end; - int h_sync_start; - int h_sync_end; - int h_skew = 0; - - int v_active; - int v_total; - int v_sync_start; - int v_sync_end; - int v_skew = 0; - - t = KdFindMode (screen, pcmciaModeSupported); - - hactive = t->horizontal; - hfp = t->hfp; - hbp = t->hbp; - hblank = t->hblank; - - h_active = hactive; - h_sync_start = hactive + hfp; - h_sync_end = hactive + hblank - hbp; - h_total = hactive + hblank; - - vactive = t->vertical; - vfp = t->vfp; - vbp = t->vbp; - vblank = t->vblank; - - v_active = vactive; - v_sync_start = vactive + vfp; - v_sync_end = vactive + vblank - vbp; - v_total = vactive + vblank; - - /* - * compute correct Hsync & Vsync polarity - */ - - MiscOutReg = 0x23; - if (t->hpol == KdSyncNegative) - MiscOutReg |= 0x40; - if (t->vpol == KdSyncNegative) - MiscOutReg |= 0x80; - - /* - * Time Sequencer - */ - if (pScreenPriv->screen->fb[0].depth == 4) - Sequencer[0] = 0x02; - else - Sequencer[0] = 0x00; - Sequencer[1] = 0x01; - Sequencer[2] = 0x0F; - Sequencer[3] = 0x00; /* Font select */ - if (pScreenPriv->screen->fb[0].depth < 8) - Sequencer[4] = 0x06; /* Misc */ - else - Sequencer[4] = 0x0E; /* Misc */ - Sequencer[5] = 0x00; - - /* - * CRTC Controller - */ - CRTC[0] = ((h_total) >> 3) - 5; - CRTC[1] = (hactive >> 3) - 1; - CRTC[2] = ((min(h_sync_start,h_active)) >> 3) - 1; - CRTC[3] = ((((min(h_sync_end,h_total)) >> 3) - 1) & 0x1F) | 0x80; - i = (((h_skew << 2) + 0x10) & ~0x1F); - if (i < 0x80) - CRTC[3] |= i; - CRTC[4] = (h_sync_start >> 3); - CRTC[5] = (((((min(h_sync_end,h_total)) >> 3) - 1) & 0x20) << 2) - | (((h_sync_end >> 3)) & 0x1F); - - CRTC[6] = (v_total - 2) & 0xFF; - CRTC[7] = (((v_total - 2) & 0x100) >> 8) - | (((v_active - 1) & 0x100) >> 7) - | ((v_sync_start & 0x100) >> 6) - | ((((min(v_sync_start,v_active)) - 1) & 0x100) >> 5) - | 0x10 - | (((v_total - 2) & 0x200) >> 4) - | (((v_active - 1) & 0x200) >> 3) - | ((v_sync_start & 0x200) >> 2); - CRTC[8] = 0x00; - CRTC[9] = ((((min(v_sync_start,v_active))-1) & 0x200) >> 4) | 0x40; - CRTC[10] = 0x00; - CRTC[11] = 0x00; - CRTC[12] = 0x00; - CRTC[13] = 0x00; - CRTC[14] = 0x00; - CRTC[15] = 0x00; - CRTC[16] = v_sync_start & 0xFF; - CRTC[17] = (v_sync_end & 0x0F) | 0x20; - CRTC[18] = (v_active - 1) & 0xFF; - if (pScreenPriv->screen->fb[0].depth == 4) - CRTC[19] = pScreenPriv->screen->fb[0].pixelStride >> 4; - else - if (pScreenPriv->screen->fb[0].depth == 8) - CRTC[19] = pScreenPriv->screen->fb[0].pixelStride >> 3; - else - if (pScreenPriv->screen->fb[0].depth == 16 || - pScreenPriv->screen->fb[0].depth == 15) - CRTC[19] = pScreenPriv->screen->fb[0].pixelStride >> 2; - CRTC[20] = 0x00; - CRTC[21] = ((min(v_sync_end,v_active)) - 1) & 0xFF; - CRTC[22] = ((min(v_sync_end,v_active)) - 1) & 0xFF; - if (pScreenPriv->screen->fb[0].depth < 8) - CRTC[23] = 0xE3; - else - CRTC[23] = 0xC3; - CRTC[24] = 0xFF; - CRTC[25] = 0x00; - CRTC[26] = 0x00; -#if 0 - if (!pcmciac->HP) - if (mode.Flags & V_INTERLACE) CRTC[26] |= 0x01; -#endif - if (pcmciac->HP) - CRTC[27] = 0x00; - else - CRTC[27] = 0x22; - CRTC[28] = 0x00; - CRTC[29] = 0x00; - CRTC[30] = 0x80; -#if 0 - if (pcmciac->HP) - if (mode.Flags & V_INTERLACE) CRTC[30] |= 0x04; -#endif - -{ - int nExtBits = 0; - CARD32 ExtBits; - CARD32 ExtBitMask = ((1 << nExtBits) - 1) << 6; - - CRTC[3] = (CRTC[3] & ~0x1F) - | ((((min(h_sync_end,h_total)) >> 3) - 1) & 0x1F); - CRTC[5] = (CRTC[5] & ~0x80) - | (((((min(h_sync_end,h_total)) >> 3) - 1) & 0x20) << 2); - ExtBits = (((min(h_sync_end,h_total)) >> 3) - 1) & ExtBitMask; - - /* First the horizontal case */ - if ((((min(h_sync_end,h_total)) >> 3) == (h_total >> 3))) - { - int i = (CRTC[3] & 0x1F) - | ((CRTC[5] & 0x80) >> 2) - | ExtBits; - if ((i-- > ((((min(h_sync_start,h_active)) >> 3) - 1) - & (0x3F | ExtBitMask))) - && ((min(h_sync_end,h_total)) == h_total)) - i = 0; - CRTC[3] = (CRTC[3] & ~0x1F) | (i & 0x1F); - CRTC[5] = (CRTC[5] & ~0x80) | ((i << 2) & 0x80); - ExtBits = i & ExtBitMask; - } -} -{ - CARD32 ExtBits; - CARD32 ExtBitMask = 0; - /* If width is not known nBits should be 0. In this - * case BitMask is set to 0 so we can check for it. */ - CARD32 BitMask = 0; - int VBlankStart = ((min(v_sync_start,v_active)) - 1) & 0xFF; - CRTC[22] = ((min(v_sync_end,v_total)) - 1) & 0xFF; - ExtBits = ((min(v_sync_end,v_total)) - 1) & ExtBitMask; - - if ((min(v_sync_end,v_total)) == v_total) - /* Null top overscan */ - { - int i = CRTC[22] | ExtBits; - if (((BitMask && ((i & BitMask) > (VBlankStart & BitMask))) - || ((i > VBlankStart) && /* 8-bit case */ - ((i & 0x7F) > (VBlankStart & 0x7F)))) && /* 7-bit case */ - !(CRTC[9] & 0x9F)) /* 1 scanline/row */ - i = 0; - else - i = (i - 1); - CRTC[22] = i & 0xFF; - ExtBits = i & 0xFF00; - } -} - - /* - * Graphics Display Controller - */ - Graphics[0] = 0x00; - Graphics[1] = 0x00; - Graphics[2] = 0x00; - Graphics[3] = 0x00; - Graphics[4] = 0x00; - if (pScreenPriv->screen->fb[0].depth == 4) - Graphics[5] = 0x02; - else - Graphics[5] = 0x40; - Graphics[6] = 0x05; /* only map 64k VGA memory !!!! */ - Graphics[7] = 0x0F; - Graphics[8] = 0xFF; - - Attribute[0] = 0x00; /* standard colormap translation */ - Attribute[1] = 0x01; - Attribute[2] = 0x02; - Attribute[3] = 0x03; - Attribute[4] = 0x04; - Attribute[5] = 0x05; - Attribute[6] = 0x06; - Attribute[7] = 0x07; - Attribute[8] = 0x08; - Attribute[9] = 0x09; - Attribute[10] = 0x0A; - Attribute[11] = 0x0B; - Attribute[12] = 0x0C; - Attribute[13] = 0x0D; - Attribute[14] = 0x0E; - Attribute[15] = 0x0F; - if (pScreenPriv->screen->fb[0].depth == 4) - Attribute[16] = 0x81; - else - Attribute[16] = 0x41; - if (pScreenPriv->screen->fb[0].bitsPerPixel == 16) - Attribute[17] = 0x00; - else - Attribute[17] = 0xFF; - Attribute[18] = 0x0F; - Attribute[19] = 0x00; - Attribute[20] = 0x00; - - /* Wake up the card */ - if (pcmciac->HP) { - pcmciaWriteReg(pcmciac, 0x3c3, 0x1); - pcmciaWriteReg(pcmciac, 0x46e8, 0x10); - } else { - pcmciaWriteReg(pcmciac, 0x105, 0x1); - pcmciaWriteReg(pcmciac, 0x46e8, 0x1f); - pcmciaWriteReg(pcmciac, 0x102, 0x1); - pcmciaWriteReg(pcmciac, 0x46e8, 0xf); - pcmciaWriteReg(pcmciac, 0x3c3, 0x1); - } - - if (pcmciac->HP) { - /* unlock */ - pcmciaWriteIndex(pcmciac, 0x3c4, 0x11, 0x92); - j = pcmciaReadIndex(pcmciac, 0x3c4, 0xb); - pcmciaWriteIndex(pcmciac, 0x3c4, 0xe, 0xc2); - - /* switch on dac */ - pcmciaWriteIndex(pcmciac, 0x3d4, 0x29, 0x24); - /* switch on the accelerator */ - pcmciaWriteIndex(pcmciac, 0x3d4, 0x36, 0x80); - - /* bump up memory clk */ - pcmciaWriteReg(pcmciac, 0x43c6, 0x65); - pcmciaWriteReg(pcmciac, 0x43c7, 0x00); - } else { - /* unlock */ - pcmciaWriteIndex(pcmciac, 0x3c4, 0x06, 0x12); - pcmciaWriteReg(pcmciac, 0x3c2, MiscOutReg); - } - - /* synchronous reset */ - pcmciaWriteIndex(pcmciac, 0x3c4, 0, 0); - - pcmciaWriteReg(pcmciac, 0x3da, 0x10); - - for (i=0;i<6;i++) - pcmciaWriteIndex(pcmciac, 0x3c4, i, Sequencer[i]); - - if (pcmciac->HP) { - /* Stick chip into color mode */ - pcmciaWriteIndex(pcmciac, 0x3ce, 0x2f, 0x06); - /* Switch on Linear addressing */ - pcmciaWriteIndex(pcmciac, 0x3d4, 0x21, 0x2e); - } else { - /* Stick chip into 8bit access mode - ugh! */ - pcmciaWriteIndex(pcmciac, 0x3c4, 0x0F, 0x20); /* 0x26 ? */ - /* reset mclk */ - pcmciaWriteIndex(pcmciac, 0x3c4, 0x1F, 0); - } - - pcmciaWriteIndex(pcmciac, 0x3c4, 0, 0x3); - - for (i=0;i<31;i++) - pcmciaWriteIndex(pcmciac, 0x3d4, i, CRTC[i]); - - for (i=0;i<9;i++) - pcmciaWriteIndex(pcmciac, 0x3ce, i, Graphics[i]); - - j = pcmciaReadReg(pcmciac, 0x3da); - - for (i=0;i<21;i++) { - pcmciaWriteReg(pcmciac, 0x3c0, i); - pcmciaWriteReg(pcmciac, 0x3c0, Attribute[i]); - } - - j = pcmciaReadReg(pcmciac, 0x3da); - pcmciaWriteReg(pcmciac, 0x3c0, 0x20); - - j = pcmciaReadReg(pcmciac, 0x3c8); - j = pcmciaReadReg(pcmciac, 0x3c6); - j = pcmciaReadReg(pcmciac, 0x3c6); - j = pcmciaReadReg(pcmciac, 0x3c6); - j = pcmciaReadReg(pcmciac, 0x3c6); - switch (pScreenPriv->screen->fb[0].depth) { - /* This is here for completeness, when/if we ever do 4bpp */ - case 4: - pcmciaWriteReg(pcmciac, 0x3c6, 0x0); - if (pcmciac->HP) { - pcmciaWriteIndex(pcmciac, 0x3ce, 0x0f, 0x90); - pcmciaWriteIndex(pcmciac, 0x3d4, 0x38, 0x00); - } else - pcmciaWriteIndex(pcmciac, 0x3c4, 0x07, 0x00); - break; - case 8: - pcmciaWriteReg(pcmciac, 0x3c6, 0x0); - if (pcmciac->HP) { - pcmciaWriteIndex(pcmciac, 0x3ce, 0x0f, 0x92); - pcmciaWriteIndex(pcmciac, 0x3d4, 0x38, 0x00); - } else - pcmciaWriteIndex(pcmciac, 0x3c4, 0x07, 0x01); - break; - case 15: - if (pcmciac->HP) { - pcmciaWriteReg(pcmciac, 0x3c6, 0x10); - pcmciaWriteIndex(pcmciac, 0x3ce, 0x0f, 0x9a); - pcmciaWriteIndex(pcmciac, 0x3d4, 0x38, 0x04); - } else { - pcmciaWriteReg(pcmciac, 0x3c6, 0xC0); - pcmciaWriteIndex(pcmciac, 0x3c4, 0x07, 0x03); - } - break; - case 16: - if (pcmciac->HP) { - pcmciaWriteReg(pcmciac, 0x3c6, 0x30); - pcmciaWriteIndex(pcmciac, 0x3ce, 0x0f, 0x9a); - pcmciaWriteIndex(pcmciac, 0x3d4, 0x38, 0x04); - } else { - pcmciaWriteReg(pcmciac, 0x3c6, 0xC1); - pcmciaWriteIndex(pcmciac, 0x3c4, 0x07, 0x03); - } - break; - } - j = pcmciaReadReg(pcmciac, 0x3c8); - - pcmciaWriteReg(pcmciac, 0x3c6, 0xff); - - for (i=0;i<256;i++) { - pcmciaWriteReg(pcmciac, 0x3c8, i); - pcmciaWriteReg(pcmciac, 0x3c9, i); - pcmciaWriteReg(pcmciac, 0x3c9, i); - pcmciaWriteReg(pcmciac, 0x3c9, i); - } - - /* Set the Clock */ - if (pcmciac->HP) { - CARD8 a,b; - int clock = t->clock; - if (pScreenPriv->screen->fb[0].bitsPerPixel == 16) - clock *= 2; - tridentSetCLK(clock, &a, &b); - pcmciaWriteReg(pcmciac, 0x43c8, a); - pcmciaWriteReg(pcmciac, 0x43c9, b); - } else { - int num, den; - unsigned char tmp; - int clock = t->clock; - if (pScreenPriv->screen->fb[0].bitsPerPixel == 16) - clock *= 2; - - CirrusFindClock(clock, &num, &den); - - tmp = pcmciaReadIndex(pcmciac, 0x3c4, 0x0d); - pcmciaWriteIndex(pcmciac, 0x3c4, 0x0d, (tmp & 0x80) | num); - tmp = pcmciaReadIndex(pcmciac, 0x3c4, 0x1d); - pcmciaWriteIndex(pcmciac, 0x3c4, 0x1d, (tmp & 0xc0) | den); - } - pcmciaWriteReg(pcmciac, 0x3c2, MiscOutReg | 0x08); - -#if 1 - for (i=1;i<0x3f;i++) - ErrorF("0x3c4:%02x: 0x%x\n",i,pcmciaReadIndex(pcmciac, 0x3c4, i)); - - ErrorF("\n"); - - for (i=0;i<0x3f;i++) - ErrorF("0x3ce:%02x: 0x%x\n",i,pcmciaReadIndex(pcmciac, 0x3ce, i)); - - ErrorF("\n"); - - for (i=0;i<0x3f;i++) - ErrorF("0x3d4:%02x: 0x%x\n",i,pcmciaReadIndex(pcmciac, 0x3d4, i)); -#endif - - return TRUE; -} - -void -pcmciaDisable (ScreenPtr pScreen) -{ -} - -const CARD8 tridentDPMSModes[4] = { - 0x00, /* KD_DPMS_NORMAL */ - 0x01, /* KD_DPMS_STANDBY */ - 0x02, /* KD_DPMS_SUSPEND */ - 0x03, /* KD_DPMS_POWERDOWN */ -}; - -Bool -pcmciaDPMS (ScreenPtr pScreen, int mode) -{ - KdScreenPriv(pScreen); - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - - if (pcmciac->HP) { - pcmciaWriteIndex (pcmciac, 0x3ce, 0x23, tridentDPMSModes[mode]); - pcmciaPause (); - } else { - /* Voyager */ - } - - return TRUE; -} - -void -pcmciaRestore (KdCardInfo *card) -{ -} - -void -pcmciaScreenFini (KdScreenInfo *screen) -{ - pcmciaScreenInfo *pcmcias = (pcmciaScreenInfo *) screen->driver; - - xfree (pcmcias); - screen->driver = 0; -} - -void -pcmciaCardFini (KdCardInfo *card) -{ - pcmciaCardInfo *pcmciac = card->driver; - - if (pcmciac->cop_base) - KdUnmapDevice ((void *) pcmciac->cop_base, PCMCIA_COP_SIZE(card)); -} - -void -pcmciaGetColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs) -{ - KdScreenPriv(pScreen); - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - - while (ndef--) - { - pcmciaWriteReg (pcmciac, 0x3C7, pdefs->pixel); - pdefs->red = pcmciaReadReg (pcmciac, 0x3C9) << 10; - pdefs->green = pcmciaReadReg (pcmciac, 0x3C9) << 10; - pdefs->blue = pcmciaReadReg (pcmciac, 0x3C9) << 10; - pdefs++; - } -} - -void -pcmciaPutColors (ScreenPtr pScreen, int fb, int ndef, xColorItem *pdefs) -{ - KdScreenPriv(pScreen); - pcmciaCardInfo *pcmciac = pScreenPriv->card->driver; - - while (ndef--) - { - pcmciaWriteReg (pcmciac, 0x3C8, pdefs->pixel); - pcmciaWriteReg (pcmciac, 0x3C9, pdefs->red >> 10); - pcmciaWriteReg (pcmciac, 0x3C9, pdefs->green >> 10); - pcmciaWriteReg (pcmciac, 0x3C9, pdefs->blue >> 10); - pdefs++; - } -} - - -KdCardFuncs pcmciaFuncs = { - pcmciaCardInit, /* cardinit */ - pcmciaScreenInit, /* scrinit */ - pcmciaInitScreen, /* initScreen */ - pcmciaPreserve, /* preserve */ - pcmciaEnable, /* enable */ - pcmciaDPMS, /* dpms */ - pcmciaDisable, /* disable */ - pcmciaRestore, /* restore */ - pcmciaScreenFini, /* scrfini */ - pcmciaCardFini, /* cardfini */ - - pcmciaCursorInit, /* initCursor */ - pcmciaCursorEnable, /* enableCursor */ - pcmciaCursorDisable, /* disableCursor */ - pcmciaCursorFini, /* finiCursor */ - pcmciaRecolorCursor, /* recolorCursor */ - -#if 0 /* not yet */ - pcmciaDrawInit, /* initAccel */ - pcmciaDrawEnable, /* enableAccel */ - pcmciaDrawSync, /* syncAccel */ - pcmciaDrawDisable, /* disableAccel */ - pcmciaDrawFini, /* finiAccel */ -#else - 0, - 0, - 0, - 0, - 0, -#endif - - pcmciaGetColors, /* getColors */ - pcmciaPutColors, /* putColors */ -}; 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