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/****************************************************************************
* Copyright (C) 2003-2006 by XGI Technology, Taiwan.
*
* 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
* XGI AND/OR ITS 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 _XGI_REGS_H_
#define _XGI_REGS_H_
#include "drmP.h"
#include "drm.h"
/* Hardware access functions */
static inline void OUT3C5B(struct drm_map * map, u8 index, u8 data)
{
DRM_WRITE8(map, 0x3C4, index);
DRM_WRITE8(map, 0x3C5, data);
}
static inline void OUT3X5B(struct drm_map * map, u8 index, u8 data)
{
DRM_WRITE8(map, 0x3D4, index);
DRM_WRITE8(map, 0x3D5, data);
}
static inline void OUT3CFB(struct drm_map * map, u8 index, u8 data)
{
DRM_WRITE8(map, 0x3CE, index);
DRM_WRITE8(map, 0x3CF, data);
}
static inline u8 IN3C5B(struct drm_map * map, u8 index)
{
DRM_WRITE8(map, 0x3C4, index);
return DRM_READ8(map, 0x3C5);
}
static inline u8 IN3X5B(struct drm_map * map, u8 index)
{
DRM_WRITE8(map, 0x3D4, index);
return DRM_READ8(map, 0x3D5);
}
static inline u8 IN3CFB(struct drm_map * map, u8 index)
{
DRM_WRITE8(map, 0x3CE, index);
return DRM_READ8(map, 0x3CF);
}
/*
* Graphic engine register (2d/3d) acessing interface
*/
static inline void dwWriteReg(struct drm_map * map, u32 addr, u32 data)
{
#ifdef XGI_MMIO_DEBUG
DRM_INFO("mmio_map->handle = 0x%p, addr = 0x%x, data = 0x%x\n",
map->handle, addr, data);
#endif
DRM_WRITE32(map, addr, data);
}
static inline void xgi_enable_mmio(struct xgi_info * info)
{
u8 protect = 0;
u8 temp;
/* Unprotect registers */
DRM_WRITE8(info->mmio_map, 0x3C4, 0x11);
protect = DRM_READ8(info->mmio_map, 0x3C5);
DRM_WRITE8(info->mmio_map, 0x3C5, 0x92);
DRM_WRITE8(info->mmio_map, 0x3D4, 0x3A);
temp = DRM_READ8(info->mmio_map, 0x3D5);
DRM_WRITE8(info->mmio_map, 0x3D5, temp | 0x20);
/* Enable MMIO */
DRM_WRITE8(info->mmio_map, 0x3D4, 0x39);
temp = DRM_READ8(info->mmio_map, 0x3D5);
DRM_WRITE8(info->mmio_map, 0x3D5, temp | 0x01);
/* Protect registers */
OUT3C5B(info->mmio_map, 0x11, protect);
}
static inline void xgi_disable_mmio(struct xgi_info * info)
{
u8 protect = 0;
u8 temp;
/* Unprotect registers */
DRM_WRITE8(info->mmio_map, 0x3C4, 0x11);
protect = DRM_READ8(info->mmio_map, 0x3C5);
DRM_WRITE8(info->mmio_map, 0x3C5, 0x92);
/* Disable MMIO access */
DRM_WRITE8(info->mmio_map, 0x3D4, 0x39);
temp = DRM_READ8(info->mmio_map, 0x3D5);
DRM_WRITE8(info->mmio_map, 0x3D5, temp & 0xFE);
/* Protect registers */
OUT3C5B(info->mmio_map, 0x11, protect);
}
static inline void xgi_enable_ge(struct xgi_info * info)
{
unsigned char bOld3cf2a = 0;
int wait = 0;
// Enable GE
OUT3C5B(info->mmio_map, 0x11, 0x92);
// Save and close dynamic gating
bOld3cf2a = IN3CFB(info->mmio_map, 0x2a);
OUT3CFB(info->mmio_map, 0x2a, bOld3cf2a & 0xfe);
// Reset both 3D and 2D engine
OUT3X5B(info->mmio_map, 0x36, 0x84);
wait = 10;
while (wait--) {
DRM_READ8(info->mmio_map, 0x36);
}
OUT3X5B(info->mmio_map, 0x36, 0x94);
wait = 10;
while (wait--) {
DRM_READ8(info->mmio_map, 0x36);
}
OUT3X5B(info->mmio_map, 0x36, 0x84);
wait = 10;
while (wait--) {
DRM_READ8(info->mmio_map, 0x36);
}
// Enable 2D engine only
OUT3X5B(info->mmio_map, 0x36, 0x80);
// Enable 2D+3D engine
OUT3X5B(info->mmio_map, 0x36, 0x84);
// Restore dynamic gating
OUT3CFB(info->mmio_map, 0x2a, bOld3cf2a);
}
static inline void xgi_disable_ge(struct xgi_info * info)
{
int wait = 0;
// Reset both 3D and 2D engine
OUT3X5B(info->mmio_map, 0x36, 0x84);
wait = 10;
while (wait--) {
DRM_READ8(info->mmio_map, 0x36);
}
OUT3X5B(info->mmio_map, 0x36, 0x94);
wait = 10;
while (wait--) {
DRM_READ8(info->mmio_map, 0x36);
}
OUT3X5B(info->mmio_map, 0x36, 0x84);
wait = 10;
while (wait--) {
DRM_READ8(info->mmio_map, 0x36);
}
// Disable 2D engine only
OUT3X5B(info->mmio_map, 0x36, 0);
}
static inline void xgi_enable_dvi_interrupt(struct xgi_info * info)
{
OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) & ~0x01); //Set 3cf.39 bit 0 to 0
OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) | 0x01); //Set 3cf.39 bit 0 to 1
OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) | 0x02);
}
static inline void xgi_disable_dvi_interrupt(struct xgi_info * info)
{
OUT3CFB(info->mmio_map, 0x39, IN3CFB(info->mmio_map, 0x39) & ~0x02);
}
static inline void xgi_enable_crt1_interrupt(struct xgi_info * info)
{
OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) | 0x04);
OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) & ~0x04);
OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) | 0x08);
}
static inline void xgi_disable_crt1_interrupt(struct xgi_info * info)
{
OUT3CFB(info->mmio_map, 0x3d, IN3CFB(info->mmio_map, 0x3d) & ~0x08);
}
#endif
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