r128_driver.c

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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/r128_driver.c,v 1.88 2004/01/29 02:51:17 dawes Exp $ */
/*
 * Copyright 1999, 2000 ATI Technologies Inc., Markham, Ontario,
 *                      Precision Insight, Inc., Cedar Park, Texas, and
 *                      VA Linux Systems Inc., Fremont, California.
 *
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation on the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, PRECISION INSIGHT, VA LINUX
 * SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

/*
 * Authors:
 *   Rickard E. Faith <[e-mail]>
 *   Kevin E. Martin <[e-mail]>
 *   Gareth Hughes <[e-mail]>
 *
 * Credits:
 *
 *   Thanks to Alan Hourihane <[e-mail]..co.uk> and SuSE for
 *   providing source code to their 3.3.x Rage 128 driver.  Portions of
 *   this file are based on the initialization code for that driver.
 *
 * References:
 *
 *   RAGE 128 VR/ RAGE 128 GL Register Reference Manual (Technical
 *   Reference Manual P/N RRG-G04100-C Rev. 0.04), ATI Technologies: April
 *   1999.
 *
 *   RAGE 128 Software Development Manual (Technical Reference Manual P/N
 *   SDK-G04000 Rev. 0.01), ATI Technologies: June 1999.
 *
 * This server does not yet support these XFree86 4.0 features:
 *   DDC1 & DDC2
 *   shadowfb
 *   overlay planes
 *
 * Modified by Marc Aurele La France <[e-mail]> for ATI driver merge.
 *
 * Dualhead support - Alex Deucher <[e-mail]>
 */

#include <string.h>
#include <stdio.h>

				/* Driver data structures */
#include "r128.h"
#include "r128_probe.h"
#include "r128_reg.h"
#include "r128_version.h"

#ifdef XF86DRI
#define _XF86DRI_SERVER_
#include "r128_dri.h"
#include "r128_common.h"
#include "r128_sarea.h"
#endif

#include "fb.h"

				/* colormap initialization */
#include "micmap.h"

				/* X and server generic header files */
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86RAC.h"
#include "xf86Resources.h"
#include "xf86cmap.h"
#include "xf86xv.h"
#include "vbe.h"

				/* fbdevhw & vgahw */
#ifdef WITH_VGAHW
#include "vgaHW.h"
#endif
#include "fbdevhw.h"
#include "dixstruct.h"

				/* DPMS support. */
#define DPMS_SERVER
#include <X11/extensions/dpms.h>

#include "atipciids.h"
#include "r128_chipset.h"

#ifndef MAX
#define MAX(a,b) ((a)>(b)?(a):(b))
#endif

#define USE_CRT_ONLY	0

				/* Forward definitions for driver functions */
static Bool R128CloseScreen(int scrnIndex, ScreenPtr pScreen);
static Bool R128SaveScreen(ScreenPtr pScreen, int mode);
static void R128Save(ScrnInfoPtr pScrn);
static void R128Restore(ScrnInfoPtr pScrn);
static Bool R128ModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode);
static void R128DisplayPowerManagementSet(ScrnInfoPtr pScrn,
					  int PowerManagementMode, int flags);
static void R128DisplayPowerManagementSetLCD(ScrnInfoPtr pScrn,
					  int PowerManagementMode, int flags);

typedef enum {
  OPTION_NOACCEL,
  OPTION_SW_CURSOR,
  OPTION_DAC_6BIT,
  OPTION_DAC_8BIT,
#ifdef XF86DRI
  OPTION_XV_DMA,
  OPTION_IS_PCI,
  OPTION_CCE_PIO,
  OPTION_NO_SECURITY,
  OPTION_USEC_TIMEOUT,
  OPTION_AGP_MODE,
  OPTION_AGP_SIZE,
  OPTION_RING_SIZE,
  OPTION_BUFFER_SIZE,
  OPTION_PAGE_FLIP,
#endif
#if USE_CRT_ONLY
  /* FIXME: Disable CRTOnly until it is tested */
  OPTION_CRT,
#endif
  OPTION_DISPLAY,
  OPTION_PANEL_WIDTH,
  OPTION_PANEL_HEIGHT,
  OPTION_PROG_FP_REGS,
  OPTION_FBDEV,
  OPTION_VIDEO_KEY,
  OPTION_SHOW_CACHE,
  OPTION_VGA_ACCESS
} R128Opts;

static const OptionInfoRec R128Options[] = {
  { OPTION_NOACCEL,      "NoAccel",          OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_SW_CURSOR,    "SWcursor",         OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_DAC_6BIT,     "Dac6Bit",          OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_DAC_8BIT,     "Dac8Bit",          OPTV_BOOLEAN, {0}, TRUE  },
#ifdef XF86DRI
  { OPTION_XV_DMA,       "DMAForXv",         OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_IS_PCI,       "ForcePCIMode",     OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_CCE_PIO,      "CCEPIOMode",       OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_NO_SECURITY,  "CCENoSecurity",    OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_USEC_TIMEOUT, "CCEusecTimeout",   OPTV_INTEGER, {0}, FALSE },
  { OPTION_AGP_MODE,     "AGPMode",          OPTV_INTEGER, {0}, FALSE },
  { OPTION_AGP_SIZE,     "AGPSize",          OPTV_INTEGER, {0}, FALSE },
  { OPTION_RING_SIZE,    "RingSize",         OPTV_INTEGER, {0}, FALSE },
  { OPTION_BUFFER_SIZE,  "BufferSize",       OPTV_INTEGER, {0}, FALSE },
  { OPTION_PAGE_FLIP,    "EnablePageFlip",   OPTV_BOOLEAN, {0}, FALSE },
#endif
  { OPTION_DISPLAY,      "Display",          OPTV_STRING,  {0}, FALSE },
  { OPTION_PANEL_WIDTH,  "PanelWidth",       OPTV_INTEGER, {0}, FALSE },
  { OPTION_PANEL_HEIGHT, "PanelHeight",      OPTV_INTEGER, {0}, FALSE },
  { OPTION_PROG_FP_REGS, "ProgramFPRegs",    OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_FBDEV,        "UseFBDev",         OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_VIDEO_KEY,    "VideoKey",         OPTV_INTEGER, {0}, FALSE },
  { OPTION_SHOW_CACHE,   "ShowCache",        OPTV_BOOLEAN, {0}, FALSE },
  { OPTION_VGA_ACCESS,   "VGAAccess",        OPTV_BOOLEAN, {0}, TRUE  },
  { -1,                  NULL,               OPTV_NONE,    {0}, FALSE }
};

_X_EXPORT const OptionInfoRec *R128OptionsWeak(void) { return R128Options; }

R128RAMRec R128RAM[] = {        /* Memory Specifications
				   From RAGE 128 Software Development
				   Manual (Technical Reference Manual P/N
				   SDK-G04000 Rev 0.01), page 3-21.  */
    { 4, 4, 3, 3, 1, 3, 1, 16, 12, "128-bit SDR SGRAM 1:1" },
    { 4, 8, 3, 3, 1, 3, 1, 17, 13, "64-bit SDR SGRAM 1:1" },
    { 4, 4, 1, 2, 1, 2, 1, 16, 12, "64-bit SDR SGRAM 2:1" },
    { 4, 4, 3, 3, 2, 3, 1, 16, 12, "64-bit DDR SGRAM" },
};

#ifdef WITH_VGAHW
static const char *vgahwSymbols[] = {
    "vgaHWFreeHWRec",
    "vgaHWGetHWRec",
    "vgaHWGetIndex",
    "vgaHWLock",
    "vgaHWRestore",
    "vgaHWSave",
    "vgaHWUnlock",
    NULL
};
#endif

static const char *fbdevHWSymbols[] = {
    "fbdevHWInit",
    "fbdevHWUseBuildinMode",
    "fbdevHWGetLineLength",
    "fbdevHWGetVidmem",

    "fbdevHWDPMSSet",
    "fbdevHWDPMSSetWeak",

    /* colormap */
    "fbdevHWLoadPalette",
    "fbdevHWLoadPaletteWeak",

    /* ScrnInfo hooks */
    "fbdevHWAdjustFrame",
    "fbdevHWAdjustFrameWeak",
    "fbdevHWEnterVT",
    "fbdevHWLeaveVT",
    "fbdevHWModeInit",
    "fbdevHWRestore",
    "fbdevHWSave",
    "fbdevHWSwitchMode",
    "fbdevHWSwitchModeWeak",
    "fbdevHWValidModeWeak",

    "fbdevHWMapMMIO",
    "fbdevHWMapVidmem",
    "fbdevHWUnmapMMIO",
    "fbdevHWUnmapVidmem",

    NULL
};

static const char *ddcSymbols[] = {
    "xf86PrintEDID",
    "xf86DoEDID_DDC1",
    "xf86DoEDID_DDC2",
    NULL
};

static const char *i2cSymbols[] = {
    "xf86CreateI2CBusRec",
    "xf86I2CBusInit",
    NULL
};

static const char *fbSymbols[] = {
    "fbPictureInit",
    "fbScreenInit",
    NULL
};

static const char *xaaSymbols[] = {
    "XAACreateInfoRec",
    "XAADestroyInfoRec",
    "XAAInit",
    NULL
};

static const char *ramdacSymbols[] = {
    "xf86CreateCursorInfoRec",
    "xf86DestroyCursorInfoRec",
    "xf86InitCursor",
    NULL
};

#ifdef XF86DRI
static const char *drmSymbols[] = {
    "drmAddBufs",
    "drmAddMap",
    "drmAgpAcquire",
    "drmAgpAlloc",
    "drmAgpBase",
    "drmAgpBind",
    "drmAgpDeviceId",
    "drmAgpEnable",
    "drmAgpFree",
    "drmAgpGetMode",
    "drmAgpRelease",
    "drmAgpUnbind",
    "drmAgpVendorId",
    "drmAvailable",
    "drmCommandNone",
    "drmCommandRead",
    "drmCommandWrite",
    "drmCommandWriteRead",
    "drmCtlInstHandler",
    "drmCtlUninstHandler",
    "drmFreeBufs",
    "drmFreeVersion",
    "drmGetInterruptFromBusID",
    "drmGetLibVersion",
    "drmGetVersion",
    "drmMap",
    "drmMapBufs",
    "drmDMA",
    "drmScatterGatherAlloc",
    "drmScatterGatherFree",
    "drmUnmap",
    "drmUnmapBufs",
    NULL
};

static const char *driSymbols[] = {
    "DRICloseScreen",
    "DRICreateInfoRec",
    "DRIDestroyInfoRec",
    "DRIFinishScreenInit",
    "DRIGetDeviceInfo",
    "DRIGetSAREAPrivate",
    "DRILock",
    "DRIQueryVersion",
    "DRIScreenInit",
    "DRIUnlock",
    "GlxSetVisualConfigs",
    "DRICreatePCIBusID",
    NULL
};

static const char *driShadowFBSymbols[] = {
    "ShadowFBInit",
    NULL
};
#endif

static const char *vbeSymbols[] = {
    "VBEInit",
    "vbeDoEDID",
    "vbeFree",
    NULL
};

static const char *int10Symbols[] = {
    "xf86InitInt10",
    "xf86FreeInt10",
    "xf86int10Addr",
    NULL
};

void R128LoaderRefSymLists(void)
{
    /*
     * Tell the loader about symbols from other modules that this module might
     * refer to.
     */
    xf86LoaderRefSymLists(
#ifdef WITH_VGAHW
		      vgahwSymbols,
#endif
		      fbSymbols,
		      xaaSymbols,
		      ramdacSymbols,
#ifdef XF86DRI
		      drmSymbols,
		      driSymbols,
		      driShadowFBSymbols,
#endif
		      fbdevHWSymbols,
		      int10Symbols,
		      vbeSymbols,
		      /* ddcsymbols, */
		      i2cSymbols,
		      /* shadowSymbols, */
		      NULL);
}

#ifdef XFree86LOADER
int getR128EntityIndex(void)
{
    int *r128_entity_index = LoaderSymbol("gR128EntityIndex");
    if (!r128_entity_index)
        return -1;
    else
        return *r128_entity_index;
}
#else
extern int gR128EntityIndex;
int getR128EntityIndex(void)
{
    return gR128EntityIndex;
}
#endif

R128EntPtr R128EntPriv(ScrnInfoPtr pScrn)
{
    DevUnion     *pPriv;
    R128InfoPtr  info   = R128PTR(pScrn);
    pPriv = xf86GetEntityPrivate(info->pEnt->index,
                                 getR128EntityIndex());
    return pPriv->ptr;
}

/* Allocate our private R128InfoRec. */
static Bool R128GetRec(ScrnInfoPtr pScrn)
{
    if (pScrn->driverPrivate) return TRUE;

    pScrn->driverPrivate = xnfcalloc(sizeof(R128InfoRec), 1);
    return TRUE;
}

/* Free our private R128InfoRec. */
static void R128FreeRec(ScrnInfoPtr pScrn)
{
    if (!pScrn || !pScrn->driverPrivate) return;
    xfree(pScrn->driverPrivate);
    pScrn->driverPrivate = NULL;
}

/* Memory map the MMIO region.  Used during pre-init and by R128MapMem,
   below. */
static Bool R128MapMMIO(ScrnInfoPtr pScrn)
{
    R128InfoPtr info          = R128PTR(pScrn);

    if (info->FBDev) {
	info->MMIO = fbdevHWMapMMIO(pScrn);
    } else {
	info->MMIO = xf86MapPciMem(pScrn->scrnIndex,
				   VIDMEM_MMIO | VIDMEM_READSIDEEFFECT,
				   info->PciTag,
				   info->MMIOAddr,
				   R128_MMIOSIZE);
    }

    if (!info->MMIO) return FALSE;
    return TRUE;
}

/* Unmap the MMIO region.  Used during pre-init and by R128UnmapMem,
   below. */
static Bool R128UnmapMMIO(ScrnInfoPtr pScrn)
{
    R128InfoPtr info          = R128PTR(pScrn);