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/* Copyright (c) 2003-2006 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
* AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
* */
/* The previous version of this file was way more complex then it should have
been - remove the unnessesary #defines and routines, and concentrate on
Linux for now.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <unistd.h>
#include <errno.h>
#include <compiler.h>
#include <os.h> /* ErrorF() */
/* Compiler options */
#define GFX_DISPLAY_GU1 0 /* 1st generation display controller */
#define GFX_DISPLAY_GU2 1 /* 2nd generation display controller */
#define GFX_INIT_DYNAMIC 0 /* runtime selection */
#define GFX_INIT_GU1 0 /* SC1200/GX1 */
#define GFX_INIT_GU2 1 /* GX */
#define GFX_MSR_DYNAMIC 0 /* runtime selection */
#define GFX_MSR_REDCLOUD 1 /* GX */
#define GFX_2DACCEL_DYNAMIC 0 /* runtime selection */
#define GFX_2DACCEL_GU1 0 /* 1st generation 2D accelerator */
#define GFX_2DACCEL_GU2 1 /* 2nd generation 2D accelerator */
#define GFX_VIDEO_DYNAMIC 0 /* runtime selection */
#define GFX_VIDEO_CS5530 0 /* support for CS5530 */
#define GFX_VIDEO_SC1200 0 /* support for SC1200 */
#define GFX_VIDEO_REDCLOUD 1 /* support for GX */
#define GFX_VIP_DYNAMIC 0 /* runtime selection */
#define GFX_VIP_SC1200 0 /* support for SC1200 */
#define GFX_DECODER_DYNAMIC 0 /* runtime selection */
#define GFX_DECODER_SAA7114 0 /* Philips SAA7114 decoder */
#define GFX_TV_DYNAMIC 0 /* runtime selection */
#define GFX_TV_FS451 0 /* Focus Enhancements FS450 */
#define GFX_TV_SC1200 0 /* SC1200 integrated TV encoder */
#define GFX_I2C_DYNAMIC 0 /* runtime selection */
#define GFX_I2C_ACCESS 0 /* support for ACCESS.BUS */
#define GFX_I2C_GPIO 0 /* support for CS5530 GPIOs */
#define GFX_VGA_DYNAMIC 0 /* runtime selection */
#define GFX_VGA_GU1 0 /* 1st generation graphics unit */
#define FB4MB 1 /* Set to use 4Mb vid ram for Pyramid */
#define GFX_NO_IO_IN_WAIT_MACROS 1 /* Set to remove I/O accesses in GP */
#define GFX_READ_ROUTINES 1
#include "gfx_rtns.h"
#include "gfx_priv.h"
#include "gfx_regs.h"
#include "gfx_defs.h"
unsigned char *gfx_virt_regptr = (unsigned char *)0x40000000;
unsigned char *gfx_virt_fbptr = (unsigned char *)0x40800000;
unsigned char *gfx_virt_vidptr = (unsigned char *)0x40010000;
unsigned char *gfx_virt_vipptr = (unsigned char *)0x40015000;
unsigned char *gfx_virt_spptr = (unsigned char *)0x40000000;
unsigned char *gfx_virt_gpptr = (unsigned char *)0x40000000;
unsigned char *gfx_phys_regptr = (unsigned char *)0x40000000;
unsigned char *gfx_phys_fbptr = (unsigned char *)0x40800000;
unsigned char *gfx_phys_vidptr = (unsigned char *)0x40010000;
unsigned char *gfx_phys_vipptr = (unsigned char *)0x40015000;
#define INB(port) inb(port)
#define INW(port) inw(port)
#define IND(port) inl(port)
#define OUTB(port,data) outb(port, data)
#define OUTW(port,data) outw(port, data)
#define OUTD(port,data) outl(port, data)
/* Squash warnings */
unsigned char gfx_inb(unsigned short);
unsigned short gfx_inw(unsigned short);
unsigned long gfx_ind(unsigned short);
void gfx_outb(unsigned short, unsigned char);
void gfx_outw(unsigned short, unsigned short);
void gfx_outd(unsigned short, unsigned long);
inline unsigned char
gfx_inb(unsigned short port)
{
return inb(port);
}
inline unsigned short
gfx_inw(unsigned short port)
{
return inw(port);
}
inline unsigned long
gfx_ind(unsigned short port)
{
return inl(port);
}
inline void
gfx_outb(unsigned short port, unsigned char data)
{
outb(port, data);
}
inline void
gfx_outw(unsigned short port, unsigned short data)
{
outw(port, data);
}
inline void
gfx_outd(unsigned short port, unsigned long data)
{
outl(port, data);
}
/* These routines use VSA to read the MSRs - these are a second resort to the Linux MSR method */
#define vsa_msr_read(msr,adr,high,low) \
__asm__ __volatile__( \
" mov $0x0AC1C, %%edx\n" \
" mov $0xFC530007, %%eax\n" \
" out %%eax,%%dx\n" \
" add $2,%%dl\n" \
" in %%dx, %%ax" \
: "=a" (*(low)), "=d" (*(high)) \
: "c" (msr | adr))
#define vsa_msr_write(msr,adr,high,low) \
{ int d0, d1, d2, d3, d4; \
__asm__ __volatile__( \
" push %%ebx\n" \
" mov $0x0AC1C, %%edx\n" \
" mov $0xFC530007, %%eax\n" \
" out %%eax,%%dx\n" \
" add $2,%%dl\n" \
" mov %6, %%ebx\n" \
" mov %7, %0\n" \
" mov %5, %3\n" \
" xor %2, %2\n" \
" xor %1, %1\n" \
" out %%ax, %%dx\n" \
" pop %%ebx\n" \
: "=a"(d0),"=&D"(d1),"=&S"(d2), \
"=c"(d3),"=d"(d4) \
: "1"(msr | adr),"2"(*(high)),"3"(*(low))); \
}
extern int GeodeWriteMSR(unsigned long, unsigned long, unsigned long);
extern int GeodeReadMSR(unsigned long, unsigned long *, unsigned long *);
void
gfx_msr_asm_write(unsigned short reg, unsigned long addr,
unsigned long *hi, unsigned long *lo)
{
static int msr_method = 0;
if (msr_method == 0) {
if (!GeodeWriteMSR(addr | reg, *lo, *hi))
return;
msr_method = 1;
}
/* This is the fallback VSA method - not preferred */
vsa_msr_write(reg, addr, hi, lo);
}
void
gfx_msr_asm_read(unsigned short reg, unsigned long addr,
unsigned long *hi, unsigned long *lo)
{
static int msr_method = 0;
if (msr_method == 0) {
if (!GeodeReadMSR(addr | reg, lo, hi))
return;
ErrorF("Unable to read the MSR - reverting to the VSA method.\n");
msr_method = 1;
}
/* This is the fallback VSA method - not preferred */
vsa_msr_read(reg, addr, hi, lo);
}
#include "gfx_init.c"
#include "gfx_msr.c"
#include "gfx_rndr.c"
#include "gfx_mode.h"
#include "gfx_disp.c"
#include "gfx_vid.c"
#include "gfx_vip.c"
#include "gfx_dcdr.c"
#include "gfx_i2c.c"
#include "gfx_tv.c"
#include "gfx_vga.c"
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