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/*
* Copyright 2000 ATI Technologies Inc., Markham, Ontario, 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, 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:
* Kevin E. Martin <martin@xfree86.org>
* Rickard E. Faith <faith@valinux.com>
* Alan Hourihane <alanh@fairlite.demon.co.uk>
*
* Credits:
*
* Thanks to Ani Joshi <ajoshi@shell.unixbox.com> for providing source
* code to his Radeon driver. Portions of this file are based on the
* initialization code for that driver.
*
* References:
*
* !!!! FIXME !!!!
* 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:
* !!!! FIXME !!!!
* DDC1 & DDC2
* shadowfb
* overlay planes
*
* Modified by Marc Aurele La France (tsi@xfree86.org) for ATI driver merge.
*
* Mergedfb and pseudo xinerama support added by Alex Deucher (agd5f@yahoo.com)
* based on the sis driver by Thomas Winischhofer.
*
*/
#include <string.h>
#include <stdio.h>
/* Driver data structures */
#include "radeon.h"
#include "radeon_reg.h"
#include "radeon_probe.h"
#include "radeon_version.h"
#include "fb.h"
/* colormap initialization */
#include "micmap.h"
#include "dixstruct.h"
/* X and server generic header files */
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86RandR12.h"
#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 6
#include "xf86RAC.h"
#include "xf86Resources.h"
#endif
#include "xf86cmap.h"
#include "vbe.h"
#include "shadow.h"
/* vgaHW definitions */
#ifdef HAVE_XEXTPROTO_71
#include <X11/extensions/dpmsconst.h>
#else
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#endif
#include "atipciids.h"
extern _X_EXPORT int gRADEONEntityIndex;
static int getRADEONEntityIndex(void)
{
return gRADEONEntityIndex;
}
RADEONEntPtr RADEONEntPriv(ScrnInfoPtr pScrn)
{
DevUnion *pPriv;
RADEONInfoPtr info = RADEONPTR(pScrn);
pPriv = xf86GetEntityPrivate(info->pEnt->index,
getRADEONEntityIndex());
return pPriv->ptr;
}
/* Allocate our private RADEONInfoRec */
Bool RADEONGetRec(ScrnInfoPtr pScrn)
{
if (pScrn->driverPrivate) return TRUE;
pScrn->driverPrivate = xnfcalloc(sizeof(RADEONInfoRec), 1);
return TRUE;
}
/* Free our private RADEONInfoRec */
void RADEONFreeRec(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info;
if (!pScrn || !pScrn->driverPrivate) return;
info = RADEONPTR(pScrn);
if (info->accel_state) {
free(info->accel_state);
info->accel_state = NULL;
}
free(pScrn->driverPrivate);
pScrn->driverPrivate = NULL;
}
/* This is called by RADEONPreInit to set up the default visual */
Bool RADEONPreInitVisual(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
if (!xf86SetDepthBpp(pScrn, 0, 0, 0, Support32bppFb))
return FALSE;
switch (pScrn->depth) {
case 8:
case 15:
case 16:
case 24:
break;
default:
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Given depth (%d) is not supported by %s driver\n",
pScrn->depth, RADEON_DRIVER_NAME);
return FALSE;
}
xf86PrintDepthBpp(pScrn);
info->pix24bpp = xf86GetBppFromDepth(pScrn,
pScrn->depth);
info->pixel_bytes = pScrn->bitsPerPixel / 8;
if (info->pix24bpp == 24) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Radeon does NOT support 24bpp\n");
return FALSE;
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Pixel depth = %d bits stored in %d byte%s (%d bpp pixmaps)\n",
pScrn->depth,
info->pixel_bytes,
info->pixel_bytes > 1 ? "s" : "",
info->pix24bpp);
if (!xf86SetDefaultVisual(pScrn, -1)) return FALSE;
if (pScrn->depth > 8 && pScrn->defaultVisual != TrueColor) {
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
"Default visual (%s) is not supported at depth %d\n",
xf86GetVisualName(pScrn->defaultVisual), pScrn->depth);
return FALSE;
}
return TRUE;
}
/* This is called by RADEONPreInit to handle all color weight issues */
Bool RADEONPreInitWeight(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
/* Save flag for 6 bit DAC to use for
setting CRTC registers. Otherwise use
an 8 bit DAC, even if xf86SetWeight sets
pScrn->rgbBits to some value other than
8. */
info->dac6bits = FALSE;
if (pScrn->depth > 8) {
rgb defaultWeight = { 0, 0, 0 };
if (!xf86SetWeight(pScrn, defaultWeight, defaultWeight)) return FALSE;
} else {
pScrn->rgbBits = 8;
}
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"Using %d bits per RGB (%d bit DAC)\n",
pScrn->rgbBits, info->dac6bits ? 6 : 8);
return TRUE;
}
Bool
RADEONZaphodStringMatches(ScrnInfoPtr pScrn, const char *s, char *output_name)
{
int i = 0;
char s1[20];
do {
switch(*s) {
case ',':
s1[i] = '\0';
i = 0;
if (strcmp(s1, output_name) == 0)
return TRUE;
break;
case ' ':
case '\t':
case '\n':
case '\r':
break;
default:
s1[i] = *s;
i++;
break;
}
} while(*s++);
s1[i] = '\0';
if (strcmp(s1, output_name) == 0)
return TRUE;
return FALSE;
}
#ifdef X_XF86MiscPassMessage
Bool RADEONHandleMessage(int scrnIndex, const char* msgtype,
const char* msgval, char** retmsg)
{
ErrorF("RADEONHandleMessage(%d, \"%s\", \"%s\", retmsg)\n", scrnIndex,
msgtype, msgval);
*retmsg = "";
return 0;
}
#endif
#ifndef HAVE_XF86MODEBANDWIDTH
/** Calculates the memory bandwidth (in MiB/sec) of a mode. */
_X_HIDDEN unsigned int
xf86ModeBandwidth(DisplayModePtr mode, int depth)
{
float a_active, a_total, active_percent, pixels_per_second;
int bytes_per_pixel = (depth + 7) / 8;
if (!mode->HTotal || !mode->VTotal || !mode->Clock)
return 0;
a_active = mode->HDisplay * mode->VDisplay;
a_total = mode->HTotal * mode->VTotal;
active_percent = a_active / a_total;
pixels_per_second = active_percent * mode->Clock * 1000.0;
return (unsigned int)(pixels_per_second * bytes_per_pixel / (1024 * 1024));
}
#endif
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