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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_macros.h,v 1.2 2003/07/08 15:39:48 tsi Exp $ */
/*
* 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.
*/
/*
* Authors:
* Kevin E. Martin <martin@xfree86.org>
* Rickard E. Faith <faith@valinux.com>
* Alan Hourihane <alanh@fairlite.demon.co.uk>
*
* 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.
*
* !!!! FIXME !!!!
* RAGE 128 Software Development Manual (Technical Reference Manual P/N
* SDK-G04000 Rev. 0.01), ATI Technologies: June 1999.
*
*/
#ifndef _RADEON_MACROS_H_
#define _RADEON_MACROS_H_
#ifdef XFree86Module
#include "xf86_ansic.h"
#endif
#include "compiler.h"
#define RADEON_BIOS8(v) (info->VBIOS[v])
#define RADEON_BIOS16(v) (info->VBIOS[v] | \
(info->VBIOS[(v) + 1] << 8))
#define RADEON_BIOS32(v) (info->VBIOS[v] | \
(info->VBIOS[(v) + 1] << 8) | \
(info->VBIOS[(v) + 2] << 16) | \
(info->VBIOS[(v) + 3] << 24))
/* Memory mapped register access macros */
#define INREG8(addr) MMIO_IN8(RADEONMMIO, addr)
#define INREG16(addr) MMIO_IN16(RADEONMMIO, addr)
#define INREG(addr) MMIO_IN32(RADEONMMIO, addr)
#define OUTREG8(addr, val) MMIO_OUT8(RADEONMMIO, addr, val)
#define OUTREG16(addr, val) MMIO_OUT16(RADEONMMIO, addr, val)
#define OUTREG(addr, val) MMIO_OUT32(RADEONMMIO, addr, val)
#define ADDRREG(addr) ((volatile CARD32 *)(pointer)(RADEONMMIO + (addr)))
#define OUTREGP(addr, val, mask) \
do { \
CARD32 tmp = INREG(addr); \
tmp &= (mask); \
tmp |= (val); \
OUTREG(addr, tmp); \
} while (0)
#define INPLL(pScrn, addr) RADEONINPLL(pScrn, addr)
#define OUTPLL(pScrn, addr, val) RADEONOUTPLL(pScrn, addr, val)
#define OUTPLLP(pScrn, addr, val, mask) \
do { \
CARD32 tmp_ = INPLL(pScrn, addr); \
tmp_ &= (mask); \
tmp_ |= (val); \
OUTPLL(pScrn, addr, tmp_); \
} while (0)
#define OUTPAL_START(idx) \
do { \
OUTREG8(RADEON_PALETTE_INDEX, (idx)); \
} while (0)
#define OUTPAL_NEXT(r, g, b) \
do { \
OUTREG(RADEON_PALETTE_DATA, ((r) << 16) | ((g) << 8) | (b)); \
} while (0)
#define OUTPAL_NEXT_CARD32(v) \
do { \
OUTREG(RADEON_PALETTE_DATA, (v & 0x00ffffff)); \
} while (0)
#define OUTPAL(idx, r, g, b) \
do { \
OUTPAL_START((idx)); \
OUTPAL_NEXT((r), (g), (b)); \
} while (0)
#define INPAL_START(idx) \
do { \
OUTREG(RADEON_PALETTE_INDEX, (idx) << 16); \
} while (0)
#define INPAL_NEXT() INREG(RADEON_PALETTE_DATA)
#define PAL_SELECT(idx) \
do { \
if (!idx) { \
OUTREG(RADEON_DAC_CNTL2, INREG(RADEON_DAC_CNTL2) & \
(CARD32)~RADEON_DAC2_PALETTE_ACC_CTL); \
} else { \
OUTREG(RADEON_DAC_CNTL2, INREG(RADEON_DAC_CNTL2) | \
RADEON_DAC2_PALETTE_ACC_CTL); \
} \
} while (0)
static void RADEONPllErrataAfterIndex(RADEONInfoPtr info)
{
unsigned char *RADEONMMIO = info->MMIO;
if (!(info->ChipErrata & CHIP_ERRATA_PLL_DUMMYREADS))
return;
/* This workaround is necessary on rv200 and RS200 or PLL
* reads may return garbage (among others...)
*/
(void)INREG(RADEON_CLOCK_CNTL_DATA);
(void)INREG(RADEON_CRTC_GEN_CNTL);
}
static void RADEONPllErrataAfterData(RADEONInfoPtr info)
{
unsigned char *RADEONMMIO = info->MMIO;
/* This workarounds is necessary on RV100, RS100 and RS200 chips
* or the chip could hang on a subsequent access
*/
if (info->ChipErrata & CHIP_ERRATA_PLL_DELAY) {
/* we can't deal with posted writes here ... */
usleep(5000);
}
/* This function is required to workaround a hardware bug in some (all?)
* revisions of the R300. This workaround should be called after every
* CLOCK_CNTL_INDEX register access. If not, register reads afterward
* may not be correct.
*/
if (info->ChipErrata & CHIP_ERRATA_R300_CG) {
CARD32 save, tmp;
save = INREG(RADEON_CLOCK_CNTL_INDEX);
tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
OUTREG(RADEON_CLOCK_CNTL_INDEX, tmp);
tmp = INREG(RADEON_CLOCK_CNTL_DATA);
OUTREG(RADEON_CLOCK_CNTL_INDEX, save);
}
}
#endif
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