kolibrios/programs/system/drivers/rhd/rhd_mc.c
Sergey Semyonov (Serge) 4cc87fbe7d Radeon modesetting. Father of all "C" drivers.
git-svn-id: svn://kolibrios.org@955 a494cfbc-eb01-0410-851d-a64ba20cac60
2008-12-13 07:51:28 +00:00

883 lines
20 KiB
C

/*
* Copyright 2007 Luc Verhaegen <lverhaegen@novell.com>
* Copyright 2007 Matthias Hopf <mhopf@novell.com>
* Copyright 2007 Egbert Eich <eich@novell.com>
* Copyright 2007 Advanced Micro Devices, Inc.
*
* 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
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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
#if HAVE_XF86_ANSIC_H
# include "xf86_ansic.h"
#else
# include <unistd.h>
#endif
#include "xf86.h"
#include "rhd.h"
#include "rhd_regs.h"
Bool RHDMCIdle(RHDPtr rhdPtr, CARD32 count);
Bool RHDMCIdle(RHDPtr rhdPtr, CARD32 count);
struct rhdMC {
CARD32 FbLocation;
CARD32 HdpFbBase;
CARD32 MiscLatencyTimer;
Bool Stored;
void (*SaveMC)(RHDPtr rhdPtr);
void (*RestoreMC)(RHDPtr rhdPtr);
void (*SetupMC)(RHDPtr rhdPtr);
Bool (*MCIdle)(RHDPtr rhdPtr);
CARD32 (*GetFBLocation)(RHDPtr rhdPtr, CARD32 *size);
void (*TuneMCAccessForDisplay)(RHDPtr rhdPtr, int crtc,
DisplayModePtr Mode, DisplayModePtr ScaledToMode);
Bool RV515Variant;
};
/*
* Save MC_VM state.
*/
static void
rs600SaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
MC->FbLocation = RHDReadMC(rhdPtr, RS60_NB_FB_LOCATION);
MC->HdpFbBase = RHDRegRead(rhdPtr, HDP_FB_LOCATION);
}
/*
*
*/
static void
rs690SaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
MC->FbLocation = RHDReadMC(rhdPtr, RS69_MCCFG_FB_LOCATION);
MC->HdpFbBase = RHDRegRead(rhdPtr, HDP_FB_LOCATION);
MC->MiscLatencyTimer = RHDReadMC(rhdPtr, RS69_MC_INIT_MISC_LAT_TIMER);
}
/*
*
*/
static void
r6xxSaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
MC->FbLocation = RHDRegRead(rhdPtr, R6XX_MC_VM_FB_LOCATION);
MC->HdpFbBase = RHDRegRead(rhdPtr, R6XX_HDP_NONSURFACE_BASE);
}
/*
*
*/
#ifdef NOTYET
static void
rs780SaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
MC->FbLocation = RHDReadMC(rhdPtr, RS78_MC_FB_LOCATION);
/* RS780 uses the same register as R6xx */
MC->HdpFbBase = RHDRegRead(rhdPtr, R6XX_HDP_NONSURFACE_BASE);
}
#endif
/*
*
*/
static void
r7xxSaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
MC->FbLocation = RHDRegRead(rhdPtr, R7XX_MC_VM_FB_LOCATION);
MC->HdpFbBase = RHDRegRead(rhdPtr, R6XX_HDP_NONSURFACE_BASE);
}
/*
*
*/
static void
r5xxRestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (MC->RV515Variant) {
RHDWriteMC(rhdPtr, MC_IND_ALL | RV515_MC_FB_LOCATION,
MC->FbLocation);
RHDWriteMC(rhdPtr, MC_IND_ALL | RV515_MC_MISC_LAT_TIMER,
MC->MiscLatencyTimer);
} else
RHDWriteMC(rhdPtr, MC_IND_ALL | R5XX_MC_FB_LOCATION,
MC->FbLocation);
RHDRegWrite(rhdPtr, HDP_FB_LOCATION, MC->HdpFbBase);
}
/*
*
*/
static void
rs600RestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
RHDWriteMC(rhdPtr, RS60_NB_FB_LOCATION, MC->FbLocation);
RHDRegWrite(rhdPtr, HDP_FB_LOCATION, MC->HdpFbBase);
}
/*
*
*/
static void
rs690RestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
RHDWriteMC(rhdPtr, RS69_MCCFG_FB_LOCATION, MC->FbLocation);
RHDRegWrite(rhdPtr, HDP_FB_LOCATION, MC->HdpFbBase);
RHDWriteMC(rhdPtr, RS69_MC_INIT_MISC_LAT_TIMER, MC->MiscLatencyTimer);
}
/*
*
*/
static void
r6xxRestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
RHDRegWrite(rhdPtr, R6XX_MC_VM_FB_LOCATION, MC->FbLocation);
RHDRegWrite(rhdPtr, R6XX_HDP_NONSURFACE_BASE, MC->HdpFbBase);
}
/*
*
*/
#ifdef NOTYET
static void
rs780RestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
RHDWriteMC(rhdPtr, RS78_MC_FB_LOCATION, MC->FbLocation);
/* RS780 uses the same register as R6xx */
RHDRegWrite(rhdPtr, R6XX_HDP_NONSURFACE_BASE, MC->HdpFbBase);
}
#endif
/*
*
*/
static void
r7xxRestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
RHDRegWrite(rhdPtr, R7XX_MC_VM_FB_LOCATION, MC->FbLocation);
RHDRegWrite(rhdPtr, R6XX_HDP_NONSURFACE_BASE, MC->HdpFbBase);
}
/*
* Setup the MC
*/
/*
*
*/
static void
r5xxSetupMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
CARD32 fb_location, fb_location_tmp;
CARD16 fb_size;
unsigned int reg;
RHDFUNC(rhdPtr);
if (MC->RV515Variant)
reg = RV515_MC_FB_LOCATION | MC_IND_ALL;
else
reg = R5XX_MC_FB_LOCATION | MC_IND_ALL;
fb_location = RHDReadMC(rhdPtr, reg);
fb_size = (fb_location >> 16) - (fb_location & 0xFFFF);
fb_location_tmp = rhdPtr->FbIntAddress >> 16;
fb_location_tmp |= (fb_location_tmp + fb_size) << 16;
RHDDebug(rhdPtr->scrnIndex, "%s: fb_location: 0x%08X "
"[fb_size: 0x%04X] -> fb_location: 0x%08X\n",
__func__, (unsigned int)fb_location,
fb_size,(unsigned int)fb_location_tmp);
RHDWriteMC(rhdPtr, reg, fb_location_tmp);
RHDRegWrite(rhdPtr, HDP_FB_LOCATION, fb_location_tmp & 0xFFFF);
}
/*
*
*/
static void
rs600SetupMC(RHDPtr rhdPtr)
{
CARD32 fb_location, fb_location_tmp;
CARD16 fb_size;
RHDFUNC(rhdPtr);
fb_location = RHDReadMC(rhdPtr, RS60_NB_FB_LOCATION);
fb_size = (fb_location >> 16) - (fb_location & 0xFFFF);
fb_location_tmp = rhdPtr->FbIntAddress >> 16;
fb_location_tmp |= (fb_location_tmp + fb_size) << 16;
RHDDebug(rhdPtr->scrnIndex, "%s: fb_location: 0x%08X "
"[fb_size: 0x%04X] -> fb_location: 0x%08X\n",
__func__, (unsigned int)fb_location,
fb_size,(unsigned int)fb_location_tmp);
RHDWriteMC(rhdPtr, RS60_NB_FB_LOCATION, fb_location_tmp);
RHDRegWrite(rhdPtr, HDP_FB_LOCATION, fb_location_tmp & 0xFFFF); /* same ;) */
}
/*
*
*/
static void
rs690SetupMC(RHDPtr rhdPtr)
{
CARD32 fb_location, fb_location_tmp;
CARD16 fb_size;
RHDFUNC(rhdPtr);
fb_location = RHDReadMC(rhdPtr, RS69_MCCFG_FB_LOCATION);
fb_size = (fb_location >> 16) - (fb_location & 0xFFFF);
fb_location_tmp = rhdPtr->FbIntAddress >> 16;
fb_location_tmp |= (fb_location_tmp + fb_size) << 16;
RHDDebug(rhdPtr->scrnIndex, "%s: fb_location: 0x%08X "
"[fb_size: 0x%04X] -> fb_location: 0x%08X\n",
__func__, (unsigned int)fb_location,
fb_size,(unsigned int)fb_location_tmp);
RHDWriteMC(rhdPtr, RS69_MCCFG_FB_LOCATION, fb_location_tmp);
RHDRegWrite(rhdPtr, HDP_FB_LOCATION, fb_location_tmp & 0xFFFF);
}
/*
*
*/
static void
r6xxSetupMC(RHDPtr rhdPtr)
{
CARD32 fb_location, fb_location_tmp, hdp_fbbase_tmp;
CARD16 fb_size;
RHDFUNC(rhdPtr);
fb_location = RHDRegRead(rhdPtr, R6XX_MC_VM_FB_LOCATION);
fb_size = (fb_location >> 16) - (fb_location & 0xFFFF);
fb_location_tmp = rhdPtr->FbIntAddress >> 24;
fb_location_tmp |= (fb_location_tmp + fb_size) << 16;
hdp_fbbase_tmp = (rhdPtr->FbIntAddress >> 8) & 0xff0000;
RHDDebug(rhdPtr->scrnIndex, "%s: fb_location: 0x%08X "
"fb_offset: 0x%08X [fb_size: 0x%04X] -> fb_location: 0x%08X "
"fb_offset: 0x%08X\n",
__func__, (unsigned int)fb_location,
RHDRegRead(rhdPtr,R6XX_HDP_NONSURFACE_BASE), fb_size,
(unsigned int)fb_location_tmp, (unsigned int)hdp_fbbase_tmp);
RHDRegWrite(rhdPtr, R6XX_MC_VM_FB_LOCATION, fb_location_tmp);
RHDRegWrite(rhdPtr, R6XX_HDP_NONSURFACE_BASE, hdp_fbbase_tmp);
}
/*
*
*/
#ifdef NOTYET
static void
rs780SetupMC(RHDPtr rhdPtr)
{
CARD32 fb_location, fb_location_tmp, hdp_fbbase_tmp;
CARD16 fb_size;
RHDFUNC(rhdPtr);
fb_location = RHDReadMC(rhdPtr, RS78_MC_FB_LOCATION);
fb_size = (fb_location >> 16) - (fb_location & 0xFFFF);
fb_location_tmp = rhdPtr->FbIntAddress >> 16;
fb_location_tmp |= (fb_location_tmp + fb_size) << 16;
hdp_fbbase_tmp = (rhdPtr->FbIntAddress >> 8) & 0xff0000;
RHDDebug(rhdPtr->scrnIndex, "%s: fb_location: 0x%08X "
"[fb_size: 0x%04X] -> fb_location: 0x%08X\n",
__func__, (unsigned int)fb_location,
fb_size,(unsigned int)fb_location_tmp);
RHDWriteMC(rhdPtr, RS78_MC_FB_LOCATION, fb_location_tmp);
/* RS780 uses the same register as R6xx */
RHDRegWrite(rhdPtr, R6XX_HDP_NONSURFACE_BASE, hdp_fbbase_tmp);
}
#endif
/*
*
*/
static void
r7xxSetupMC(RHDPtr rhdPtr)
{
CARD32 fb_location, fb_location_tmp, hdp_fbbase_tmp;
CARD16 fb_size;
RHDFUNC(rhdPtr);
fb_location = RHDRegRead(rhdPtr, R7XX_MC_VM_FB_LOCATION);
fb_size = (fb_location >> 16) - (fb_location & 0xFFFF);
fb_location_tmp = rhdPtr->FbIntAddress >> 24;
fb_location_tmp |= (fb_location_tmp + fb_size) << 16;
hdp_fbbase_tmp = (rhdPtr->FbIntAddress >> 8) & 0xff0000;
RHDDebug(rhdPtr->scrnIndex, "%s: fb_location: 0x%08X "
"fb_offset: 0x%08X [fb_size: 0x%04X] -> fb_location: 0x%08X "
"fb_offset: 0x%08X\n",
__func__, (unsigned int)fb_location,
RHDRegRead(rhdPtr,R6XX_HDP_NONSURFACE_BASE), fb_size,
(unsigned int)fb_location_tmp, (unsigned int)hdp_fbbase_tmp);
RHDRegWrite(rhdPtr, R7XX_MC_VM_FB_LOCATION, fb_location_tmp);
RHDRegWrite(rhdPtr, R6XX_HDP_NONSURFACE_BASE, hdp_fbbase_tmp);
}
/*
*
*/
void
RHDMCSetup(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (!MC)
return;
/*
* make sure the hw is in a state such that we can update
* the MC - ie no subsystem is currently accessing memory.
*/
ASSERT((RHDRegRead(rhdPtr, D1VGA_CONTROL) & D1VGA_MODE_ENABLE) != D1VGA_MODE_ENABLE);
ASSERT((RHDRegRead(rhdPtr, D2VGA_CONTROL) & D2VGA_MODE_ENABLE) != D2VGA_MODE_ENABLE);
ASSERT((RHDRegRead(rhdPtr, D1CRTC_CONTROL) & 0x1) != 0x1);
ASSERT((RHDRegRead(rhdPtr, D2CRTC_CONTROL) & 0x1) != 0x1);
ASSERT(RHDMCIdle(rhdPtr, 1));
MC->SetupMC(rhdPtr);
}
/*
* Get FB location and size.
*/
static CARD32
r5xxGetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
struct rhdMC *MC = rhdPtr->MC;
CARD32 val;
CARD32 reg;
if (MC->RV515Variant)
reg = RV515_MC_FB_LOCATION | MC_IND_ALL;
else
reg = R5XX_MC_FB_LOCATION | MC_IND_ALL;
val = RHDReadMC(rhdPtr, reg);
if (size) *size = ((val >> 16) - (val & 0xFFFF)) << 16;
return (val & 0xFFFF) << 16;
}
/*
*
*/
static CARD32
rs600GetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
CARD32 val = RHDReadMC(rhdPtr, RS60_NB_FB_LOCATION);
if (size) *size = ((val >> 16) - (val & 0xFFFF)) << 16;
return (val & 0xFFFF) << 16;
}
/*
*
*/
static CARD32
rs690GetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
CARD32 val = RHDReadMC(rhdPtr, RS69_MCCFG_FB_LOCATION);
if (size) *size = ((val >> 16) - (val & 0xFFFF)) << 16;
return (val & 0xFFFF) << 16;
}
/*
*
*/
static CARD32
r6xxGetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
CARD32 val = RHDRegRead(rhdPtr, R6XX_MC_VM_FB_LOCATION);
if (size) *size = ((val >> 16) - (val & 0xFFFF)) << 24;
return (val & 0xFFFF) << 24;
}
/*
*
*/
#ifdef NOTYET
static CARD32
rs780GetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
CARD32 val = RHDReadMC(rhdPtr, RS78_MC_FB_LOCATION);
if (size) *size = ((val >> 16) - (val & 0xFFFF)) << 16;
return (val & 0xFFFF) << 16;
}
#endif
/*
*
*/
static CARD32
r7xxGetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
CARD32 val = RHDRegRead(rhdPtr, R7XX_MC_VM_FB_LOCATION);
if (size) *size = ((val >> 16) - (val & 0xFFFF)) << 24;
return (val & 0xFFFF) << 24;
}
/*
*
*/
CARD32
RHDGetFBLocation(RHDPtr rhdPtr, CARD32 *size)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (!MC) {
if (size) *size = 0;
return 0;
}
return MC->GetFBLocation(rhdPtr, size);
}
/*
*
*/
static Bool
rv515MCIdle(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (RHDReadMC(rhdPtr, MC_IND_ALL | RV515_MC_STATUS) & RV515_MC_IDLE)
return TRUE;
return FALSE;
}
/*
*
*/
static Bool
r5xxMCIdle(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (RHDReadMC(rhdPtr, MC_IND_ALL | R5XX_MC_STATUS) & R5XX_MC_IDLE)
return TRUE;
return FALSE;
}
/*
*
*/
static Bool
rs600MCIdle(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (RHDReadMC(rhdPtr, RS60_MC_SYSTEM_STATUS) & RS6X_MC_SEQUENCER_IDLE)
return TRUE;
return FALSE;
}
/*
*
*/
static Bool
rs690MCIdle(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (RHDReadMC(rhdPtr, RS69_MC_SYSTEM_STATUS) & RS6X_MC_SEQUENCER_IDLE)
return TRUE;
return FALSE;
}
/*
*
*/
static Bool
r6xxMCIdle(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (!(RHDRegRead(rhdPtr, SRBM_STATUS) & 0x3f00))
return TRUE;
return FALSE;
}
/*
*
*/
#ifdef NOTYET
static Bool
rs780MCIdle(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (RHDReadMC(rhdPtr, RS78_MC_SYSTEM_STATUS) & RS78_MC_SEQUENCER_IDLE)
return TRUE;
return FALSE;
}
#endif
/*
*
*/
Bool
RHDMCIdle(RHDPtr rhdPtr, CARD32 count)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (!MC)
return TRUE;
do {
if (MC->MCIdle(rhdPtr))
return TRUE;
usleep(10);
} while (count--);
RHDDebug(rhdPtr->scrnIndex, "%s: MC not idle\n",__func__);
return FALSE;
}
/*
*
*/
void
RHDSaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (!MC)
return;
MC->SaveMC(rhdPtr);
MC->Stored = TRUE;
}
/*
* Restore MC VM state.
*/
void
RHDRestoreMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (!MC)
return;
if (!MC->Stored) {
xf86DrvMsg(rhdPtr->scrnIndex, X_ERROR,
"%s: trying to restore uninitialized values.\n",__func__);
return;
}
/*
* make sure the hw is in a state such that we can update
* the MC - ie no subsystem is currently accessing memory.
*/
ASSERT((RHDRegRead(rhdPtr, D1VGA_CONTROL) & D1VGA_MODE_ENABLE) != D1VGA_MODE_ENABLE);
ASSERT((RHDRegRead(rhdPtr, D2VGA_CONTROL) & D2VGA_MODE_ENABLE) != D2VGA_MODE_ENABLE);
ASSERT((RHDRegRead(rhdPtr, D1CRTC_CONTROL) & 0x1) != 0x1);
ASSERT((RHDRegRead(rhdPtr, D2CRTC_CONTROL) & 0x1) != 0x1);
ASSERT(RHDMCIdle(rhdPtr, 1));
MC->RestoreMC(rhdPtr);
}
/*
*
*/
static void
r5xxSaveMC(RHDPtr rhdPtr)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (MC->RV515Variant) {
MC->FbLocation = RHDReadMC(rhdPtr, MC_IND_ALL | RV515_MC_FB_LOCATION);
MC->MiscLatencyTimer = RHDReadMC(rhdPtr, MC_IND_ALL | RV515_MC_MISC_LAT_TIMER);
} else
MC->FbLocation = RHDReadMC(rhdPtr, MC_IND_ALL | R5XX_MC_FB_LOCATION);
MC->HdpFbBase = RHDRegRead(rhdPtr, HDP_FB_LOCATION);
}
/*
*
*/
static void
rv515TuneMCAccessForDisplay(RHDPtr rhdPtr, int crtc,
DisplayModePtr Mode, DisplayModePtr ScaledToMode)
{
CARD32 value, setting = 0x1;
RHDFUNC(rhdPtr);
value = RHDReadMC(rhdPtr, RV515_MC_MISC_LAT_TIMER);
value |= (setting << (crtc ? MC_DISP1R_INIT_LAT_SHIFT : MC_DISP0R_INIT_LAT_SHIFT));
RHDWriteMC(rhdPtr, RV515_MC_MISC_LAT_TIMER, value);
}
/*
*
*/
static void
rs690TuneMCAccessForDisplay(RHDPtr rhdPtr, int crtc,
DisplayModePtr Mode, DisplayModePtr ScaledToMode)
{
CARD32 value, setting = 0x1;
RHDFUNC(rhdPtr);
value = RHDReadMC(rhdPtr, RS69_MC_INIT_MISC_LAT_TIMER);
value |= setting << (crtc ? MC_DISP1R_INIT_LAT_SHIFT : MC_DISP0R_INIT_LAT_SHIFT);
RHDWriteMC(rhdPtr, RS69_MC_INIT_MISC_LAT_TIMER, value);
}
/*
*
*/
void
RHDTuneMCAccessForDisplay(RHDPtr rhdPtr, int crtc,
DisplayModePtr Mode, DisplayModePtr ScaledToMode)
{
struct rhdMC *MC = rhdPtr->MC;
RHDFUNC(rhdPtr);
if (MC->TuneMCAccessForDisplay)
MC->TuneMCAccessForDisplay(rhdPtr, crtc, Mode, ScaledToMode);
}
/*
*
*/
void
RHDMCInit(RHDPtr rhdPtr)
{
struct rhdMC *MC;
RHDFUNC(rhdPtr);
/* These devices have an internal address reference, which some other
* address registers in there also use. This can be different from the
* address in the BAR.
*
* We read out the address here from some known location. This address
* is as good a guess as any, we just need to pick one, but then make
* sure that it is made consistent in MCSetup and the various MC
* accessing subsystems.
*/
if (rhdPtr->ChipSet < RHD_R600)
rhdPtr->FbIntAddress = RHDRegRead(rhdPtr, HDP_FB_LOCATION) << 16;
else
rhdPtr->FbIntAddress = RHDRegRead(rhdPtr, R6XX_CONFIG_FB_BASE);
RHDDebug(rhdPtr->scrnIndex, "MC FB Address: 0x%08X.\n",
rhdPtr->FbIntAddress);
MC = xnfcalloc(1, sizeof(struct rhdMC));
MC->Stored = FALSE;
if (rhdPtr->ChipSet < RHD_RS600) {
MC->SaveMC = r5xxSaveMC;
MC->RestoreMC = r5xxRestoreMC;
MC->SetupMC = r5xxSetupMC;
MC->GetFBLocation = r5xxGetFBLocation;
if (rhdPtr->ChipSet == RHD_RV515
|| rhdPtr->ChipSet == RHD_RV505
|| rhdPtr->ChipSet == RHD_RV516
|| rhdPtr->ChipSet == RHD_RV550
|| rhdPtr->ChipSet == RHD_M52
|| rhdPtr->ChipSet == RHD_M54
|| rhdPtr->ChipSet == RHD_M62
|| rhdPtr->ChipSet == RHD_M64
|| rhdPtr->ChipSet == RHD_M71) {
MC->RV515Variant = TRUE;
MC->MCIdle = rv515MCIdle;
MC->TuneMCAccessForDisplay = rv515TuneMCAccessForDisplay;
} else {
MC->RV515Variant = FALSE;
MC->MCIdle = r5xxMCIdle;
}
} else if (rhdPtr->ChipSet == RHD_RS600) {
MC->SaveMC = rs600SaveMC;
MC->RestoreMC = rs600RestoreMC;
MC->SetupMC = rs600SetupMC;
MC->MCIdle = rs600MCIdle;
MC->GetFBLocation = rs600GetFBLocation;
} else if (rhdPtr->ChipSet < RHD_R600) {
MC->SaveMC = rs690SaveMC;
MC->RestoreMC = rs690RestoreMC;
MC->SetupMC = rs690SetupMC;
MC->MCIdle = rs690MCIdle;
MC->GetFBLocation = rs690GetFBLocation;
MC->TuneMCAccessForDisplay = rs690TuneMCAccessForDisplay;
} else if (rhdPtr->ChipSet <= RHD_RS780) {
MC->SaveMC = r6xxSaveMC;
MC->RestoreMC = r6xxRestoreMC;
MC->SetupMC = r6xxSetupMC;
MC->MCIdle = r6xxMCIdle;
MC->GetFBLocation = r6xxGetFBLocation;
}
#if 0
else if (rhdPtr->ChipSet == RHD_RS780) {
MC->SaveMC = rs780SaveMC;
MC->RestoreMC = rs780RestoreMC;
MC->SetupMC = rs780SetupMC;
MC->MCIdle = rs780MCIdle;
MC->GetFBLocation = rs780GetFBLocation;
}
#endif
else if (rhdPtr->ChipSet >= RHD_RV770) {
MC->SaveMC = r7xxSaveMC;
MC->RestoreMC = r7xxRestoreMC;
MC->SetupMC = r7xxSetupMC;
MC->MCIdle = r6xxMCIdle;
MC->GetFBLocation = r7xxGetFBLocation;
} else {
xf86DrvMsg(rhdPtr->scrnIndex, X_ERROR, "I don't know anything about MC on this chipset\n");
xfree(MC);
return;
}
rhdPtr->MC = MC;
}
/*
* Free structure.
*/
void
RHDMCDestroy(RHDPtr rhdPtr)
{
RHDFUNC(rhdPtr);
if (!rhdPtr->MC)
return;
xfree(rhdPtr->MC);
rhdPtr->MC = NULL;
}
/*
*
*/
Bool
RHD_MC_IGP_SideportMemoryPresent(RHDPtr rhdPtr)
{
Bool Present = FALSE;
RHDFUNC(rhdPtr);
switch (rhdPtr->ChipSet) {
case RHD_RS690:
case RHD_RS740:
Present = (RHDReadMC(rhdPtr, RS69_MC_MISC_UMA_CNTL) & RS69_SIDE_PORT_PRESENT_R) != 0;
break;
case RHD_RS780:
Present = (RHDReadMC(rhdPtr, RS78_MC_MISC_UMA_CNTL) & RS78_SIDE_PORT_PRESENT_R) != 0;
break;
default:
break;
}
xf86DrvMsg(rhdPtr->scrnIndex, X_INFO, "IPG sideport memory %s present.\n", Present ? "" : "not");
return Present;
}