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/**
* \file server/R128_macros.h
* \brief Macros for R128 MMIO operation.
*
* \authors Kevin E. Martin <martin@xfree86.org>
* \authors Rickard E. Faith <faith@valinux.com>
* \authors Alan Hourihane <alanh@fairlite.demon.co.uk>
*/
/*
* 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.
*/
#ifndef _R128_MACROS_H_
#define _R128_MACROS_H_
# define MMIO_IN8(base, offset) \
*(volatile unsigned char *)(((unsigned char*)(base)) + (offset))
# define MMIO_IN16(base, offset) \
*(volatile unsigned short *)(void *)(((unsigned char*)(base)) + (offset))
# define MMIO_IN32(base, offset) \
*(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset))
# define MMIO_OUT8(base, offset, val) \
*(volatile unsigned char *)(((unsigned char*)(base)) + (offset)) = (val)
# define MMIO_OUT16(base, offset, val) \
*(volatile unsigned short *)(void *)(((unsigned char*)(base)) + (offset)) = (val)
# define MMIO_OUT32(base, offset, val) \
*(volatile unsigned int *)(void *)(((unsigned char*)(base)) + (offset)) = (val)
/* Memory mapped register access macros */
#define INREG8(addr) MMIO_IN8(R128MMIO, addr)
#define INREG16(addr) MMIO_IN16(R128MMIO, addr)
#define INREG(addr) MMIO_IN32(R128MMIO, addr)
#define OUTREG8(addr, val) MMIO_OUT8(R128MMIO, addr, val)
#define OUTREG16(addr, val) MMIO_OUT16(R128MMIO, addr, val)
#define OUTREG(addr, val) MMIO_OUT32(R128MMIO, addr, val)
#define ADDRREG(addr) ((volatile GLuint *)(pointer)(R128MMIO + (addr)))
#define OUTREGP(addr, val, mask) \
do { \
GLuint tmp = INREG(addr); \
tmp &= (mask); \
tmp |= (val); \
OUTREG(addr, tmp); \
} while (0)
#define INPLL(dpy, addr) r128INPLL(dpy, addr)
#define OUTPLL(addr, val) \
do { \
OUTREG8(R128_CLOCK_CNTL_INDEX, (((addr) & 0x3f) | \
R128_PLL_WR_EN)); \
OUTREG(R128_CLOCK_CNTL_DATA, val); \
} while (0)
#define OUTPLLP(dpy, addr, val, mask) \
do { \
GLuint tmp = INPLL(dpy, addr); \
tmp &= (mask); \
tmp |= (val); \
OUTPLL(addr, tmp); \
} while (0)
#define OUTPAL_START(idx) \
do { \
OUTREG8(R128_PALETTE_INDEX, (idx)); \
} while (0)
#define OUTPAL_NEXT(r, g, b) \
do { \
OUTREG(R128_PALETTE_DATA, ((r) << 16) | ((g) << 8) | (b)); \
} while (0)
#define OUTPAL_NEXT_CARD32(v) \
do { \
OUTREG(R128_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(R128_PALETTE_INDEX, (idx) << 16); \
} while (0)
#define INPAL_NEXT() INREG(R128_PALETTE_DATA)
#define PAL_SELECT(idx) \
do { \
if (!idx) { \
OUTREG(R128_DAC_CNTL2, INREG(R128_DAC_CNTL2) & \
(GLuint)~R128_DAC2_PALETTE_ACC_CTL); \
} else { \
OUTREG(R128_DAC_CNTL2, INREG(R128_DAC_CNTL2) | \
R128_DAC2_PALETTE_ACC_CTL); \
} \
} while (0)
#endif
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