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/* -*- pse-c -*-
*-----------------------------------------------------------------------------
* Filename: utils.h
* $Revision: 1.6 $
*-----------------------------------------------------------------------------
* Copyright © 2002-2010, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
*-----------------------------------------------------------------------------
* Description:
*
*-----------------------------------------------------------------------------
*/
#ifndef _UTILS_H_
#define _UTILS_H_
#include <config.h>
#include <igd_mode.h>
#include <general.h>
#include <mode.h>
/* Get the MMIO pointer for a display context */
#define MMIO(dsp) \
EMGD_MMIO((((igd_display_context_t *)dsp)->context->device_context.virt_mmadr))
/* Get the 2nd MMIO pointer for a display context */
#define MMIO_SDVO(dsp) \
EMGD_MMIO(((igd_display_context_t *)dsp)->context->device_context.virt_mmadr_sdvo)
/* Definition: value = READ_MMIO_REG(igd_display_context_t *, reg) */
#define READ_MMIO_REG(dsp, reg) \
EMGD_READ32( MMIO(dsp) +(reg) )
/* Definition: WRITE_MMIO_REG(igd_display_context_t *, reg, value) */
#define WRITE_MMIO_REG(dsp, reg, value) \
EMGD_WRITE32(value, ( MMIO(dsp) + (reg) ) )
/* Definition:WRITE_MMIO_REG_BITS(igd_display_context_t *, reg, value, mask) */
#define WRITE_MMIO_REG_BITS(dsp, reg, data, mask) \
{ \
unsigned long tmp; \
tmp = READ_MMIO_REG((dsp), (reg)); \
tmp &= (~(mask)); \
tmp |= ((data) & (mask)); \
WRITE_MMIO_REG((dsp), (reg), (tmp)); \
}
#define PORT_TYPE(d) (PORT(d, (d->port_number))->port_type)
#define PORT_TYPE_DH(dh) \
(PORT(dh, (((igd_display_context_t *)dh)->port_number))->port_type)
#ifdef CONFIG_TNC
/* Based on display port determine which mmio base to use:
* port_type == SDVO ==> use 0:3:0 device mmio
* port_type == LVDS ==> use 0:2:0 device mmio
* port_type == LPC ==> use 0:31:0 device mmio
*/
#define MMIO_TNC(port_type) EMGD_MMIO(get_mmio_tnc(port_type))
#define READ_MMIO_REG_TNC(pt, reg) read_mmio_reg_tnc(pt, reg)
#define WRITE_MMIO_REG_TNC(pt, reg, value) write_mmio_reg_tnc(pt, reg, value)
/* Defined in micro_mode_tnc.c */
extern unsigned char *get_mmio_tnc(unsigned long port_type);
extern unsigned long read_mmio_reg_tnc(unsigned long port_type,
unsigned long reg);
extern void write_mmio_reg_tnc(unsigned long port_type, unsigned long reg,
unsigned long value);
#endif
/*
* These are temporary macros used only within this header.
* Individual config options use these macros to generate macros that look
* like this:
*
* If CONFIG_FOO is defined
* OPT_FOO_SYMBOL(a)
* OPT_FOO_VALUE(a, b)
* OPT_FOO_VOID_CALL(fn)
* OPT_FOO_CALL(fn)
*/
#define OPTIONAL_VOID_CALL(fn) fn
#define OPTIONAL_CALL(fn) \
{ \
int __ret; \
__ret = fn; \
if(__ret) { \
EMGD_ERROR_EXIT("EXIT"); \
return __ret; \
} \
}
#define OPTIONAL_CALL_RET(ret, fn) (ret) = (fn)
/*
* Debug call macro should be used to call debug printing functions
* that will only exist in debug builds.
*/
#ifdef DEBUG_BUILD_TYPE
#define OPT_DEBUG_SYMBOL(sym) sym
#define OPT_DEBUG_VALUE(val, alt) val
#define OPT_DEBUG_VOID_CALL(fn) OPTIONAL_VOID_CALL(fn)
#define OPT_DEBUG_CALL(fn) OPTIONAL_CALL(fn)
#define OPT_DEBUG_INLINE
#else
#define OPT_DEBUG_SYMBOL(sym)
#define OPT_DEBUG_VALUE(val, alt) alt
#define OPT_DEBUG_VOID_CALL(fn)
#define OPT_DEBUG_CALL(fn)
#define OPT_DEBUG_INLINE static __inline
#endif
/*
* Micro Symbols are only used when CONFIG_MICRO is not defined.
*/
#ifndef CONFIG_MICRO
#define OPT_MICRO_SYMBOL(sym) sym
#define OPT_MICRO_VALUE(val, alt) val
#define OPT_MICRO_VOID_CALL(fn) OPTIONAL_VOID_CALL(fn)
#define OPT_MICRO_CALL(fn) OPTIONAL_CALL(fn)
#define OPT_MICRO_CALL_RET(ret, fn) OPTIONAL_CALL_RET(ret, fn)
#else
#define OPT_MICRO_SYMBOL(sym)
#define OPT_MICRO_VALUE(val, alt) alt
#define OPT_MICRO_VOID_CALL(fn)
#define OPT_MICRO_CALL(fn)
#define OPT_MICRO_CALL_RET(ret, fn)
#endif
#ifdef CONFIG_PLB
#define DISPATCH_PLB(p) {PCI_DEVICE_ID_VGA_PLB, p},
#else
#define DISPATCH_PLB(p)
#endif
#ifdef CONFIG_TNC
#define DISPATCH_TNC(p) {PCI_DEVICE_ID_VGA_TNC, p},
#define DISPATCH_TNC_A0(p) {PCI_DEVICE_ID_VGA_TNC_A0, p},
#define DISPATCH_LNC(p) {PCI_DEVICE_ID_VGA_LNC, p},
#else
#define DISPATCH_TNC(p)
#define DISPATCH_TNC_A0(p)
#define DISPATCH_LNC(p)
#endif
#define DISPATCH_END {0, NULL}
#endif // _UTILS_H_
/*----------------------------------------------------------------------------
* File Revision History
* $Id: utils.h,v 1.6 2010/08/06 17:50:21 rclovrie Exp $
* $Source: /nfs/fm/proj/eia/cvsroot/koheo/linux/egd_drm/emgd/include/utils.h,v $
*----------------------------------------------------------------------------
*/
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