235 lines
7.5 KiB
C
235 lines
7.5 KiB
C
/* Copyright (c) 2003-2006 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* */
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/* The previous version of this file was way more complex then it should have
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been - remove the unnessesary #defines and routines, and concentrate on
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Linux for now.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define _LARGEFILE64_SOURCE
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#include <unistd.h>
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#include <errno.h>
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#include <compiler.h>
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#include <os.h> /* ErrorF() */
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/* Compiler options */
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#define GFX_DISPLAY_GU1 0 /* 1st generation display controller */
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#define GFX_DISPLAY_GU2 1 /* 2nd generation display controller */
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#define GFX_INIT_DYNAMIC 0 /* runtime selection */
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#define GFX_INIT_GU1 0 /* SC1200/GX1 */
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#define GFX_INIT_GU2 1 /* GX */
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#define GFX_MSR_DYNAMIC 0 /* runtime selection */
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#define GFX_MSR_REDCLOUD 1 /* GX */
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#define GFX_2DACCEL_DYNAMIC 0 /* runtime selection */
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#define GFX_2DACCEL_GU1 0 /* 1st generation 2D accelerator */
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#define GFX_2DACCEL_GU2 1 /* 2nd generation 2D accelerator */
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#define GFX_VIDEO_DYNAMIC 0 /* runtime selection */
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#define GFX_VIDEO_CS5530 0 /* support for CS5530 */
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#define GFX_VIDEO_SC1200 0 /* support for SC1200 */
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#define GFX_VIDEO_REDCLOUD 1 /* support for GX */
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#define GFX_VIP_DYNAMIC 0 /* runtime selection */
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#define GFX_VIP_SC1200 0 /* support for SC1200 */
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#define GFX_DECODER_DYNAMIC 0 /* runtime selection */
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#define GFX_DECODER_SAA7114 0 /* Philips SAA7114 decoder */
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#define GFX_TV_DYNAMIC 0 /* runtime selection */
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#define GFX_TV_FS451 0 /* Focus Enhancements FS450 */
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#define GFX_TV_SC1200 0 /* SC1200 integrated TV encoder */
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#define GFX_I2C_DYNAMIC 0 /* runtime selection */
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#define GFX_I2C_ACCESS 0 /* support for ACCESS.BUS */
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#define GFX_I2C_GPIO 0 /* support for CS5530 GPIOs */
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#define GFX_VGA_DYNAMIC 0 /* runtime selection */
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#define GFX_VGA_GU1 0 /* 1st generation graphics unit */
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#define FB4MB 1 /* Set to use 4Mb vid ram for Pyramid */
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#define GFX_NO_IO_IN_WAIT_MACROS 1 /* Set to remove I/O accesses in GP */
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#define GFX_READ_ROUTINES 1
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#include "gfx_rtns.h"
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#include "gfx_priv.h"
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#include "gfx_regs.h"
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#include "gfx_defs.h"
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unsigned char *gfx_virt_regptr = (unsigned char *)0x40000000;
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unsigned char *gfx_virt_fbptr = (unsigned char *)0x40800000;
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unsigned char *gfx_virt_vidptr = (unsigned char *)0x40010000;
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unsigned char *gfx_virt_vipptr = (unsigned char *)0x40015000;
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unsigned char *gfx_virt_spptr = (unsigned char *)0x40000000;
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unsigned char *gfx_virt_gpptr = (unsigned char *)0x40000000;
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unsigned char *gfx_phys_regptr = (unsigned char *)0x40000000;
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unsigned char *gfx_phys_fbptr = (unsigned char *)0x40800000;
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unsigned char *gfx_phys_vidptr = (unsigned char *)0x40010000;
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unsigned char *gfx_phys_vipptr = (unsigned char *)0x40015000;
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#define INB(port) inb(port)
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#define INW(port) inw(port)
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#define IND(port) inl(port)
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#define OUTB(port,data) outb(port, data)
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#define OUTW(port,data) outw(port, data)
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#define OUTD(port,data) outl(port, data)
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/* Squash warnings */
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unsigned char gfx_inb(unsigned short);
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unsigned short gfx_inw(unsigned short);
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unsigned long gfx_ind(unsigned short);
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void gfx_outb(unsigned short, unsigned char);
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void gfx_outw(unsigned short, unsigned short);
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void gfx_outd(unsigned short, unsigned long);
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inline unsigned char
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gfx_inb(unsigned short port)
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{
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return inb(port);
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}
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inline unsigned short
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gfx_inw(unsigned short port)
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{
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return inw(port);
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}
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inline unsigned long
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gfx_ind(unsigned short port)
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{
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return inl(port);
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}
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inline void
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gfx_outb(unsigned short port, unsigned char data)
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{
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outb(port, data);
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}
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inline void
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gfx_outw(unsigned short port, unsigned short data)
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{
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outw(port, data);
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}
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inline void
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gfx_outd(unsigned short port, unsigned long data)
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{
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outl(port, data);
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}
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/* These routines use VSA to read the MSRs - these are a second resort to the Linux MSR method */
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#define vsa_msr_read(msr,adr,high,low) \
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__asm__ __volatile__( \
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" mov $0x0AC1C, %%edx\n" \
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" mov $0xFC530007, %%eax\n" \
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" out %%eax,%%dx\n" \
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" add $2,%%dl\n" \
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" in %%dx, %%ax" \
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: "=a" (*(low)), "=d" (*(high)) \
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: "c" (msr | adr))
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#define vsa_msr_write(msr,adr,high,low) \
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{ int d0, d1, d2, d3, d4; \
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__asm__ __volatile__( \
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" push %%ebx\n" \
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" mov $0x0AC1C, %%edx\n" \
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" mov $0xFC530007, %%eax\n" \
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" out %%eax,%%dx\n" \
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" add $2,%%dl\n" \
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" mov %6, %%ebx\n" \
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" mov %7, %0\n" \
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" mov %5, %3\n" \
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" xor %2, %2\n" \
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" xor %1, %1\n" \
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" out %%ax, %%dx\n" \
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" pop %%ebx\n" \
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: "=a"(d0),"=&D"(d1),"=&S"(d2), \
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"=c"(d3),"=d"(d4) \
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: "1"(msr | adr),"2"(*(high)),"3"(*(low))); \
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}
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extern int GeodeWriteMSR(unsigned long, unsigned long, unsigned long);
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extern int GeodeReadMSR(unsigned long, unsigned long *, unsigned long *);
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void
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gfx_msr_asm_write(unsigned short reg, unsigned long addr,
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unsigned long *hi, unsigned long *lo)
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{
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static int msr_method = 0;
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if (msr_method == 0) {
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if (!GeodeWriteMSR(addr | reg, *lo, *hi))
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return;
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msr_method = 1;
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}
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/* This is the fallback VSA method - not preferred */
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vsa_msr_write(reg, addr, hi, lo);
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}
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void
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gfx_msr_asm_read(unsigned short reg, unsigned long addr,
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unsigned long *hi, unsigned long *lo)
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{
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static int msr_method = 0;
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if (msr_method == 0) {
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if (!GeodeReadMSR(addr | reg, lo, hi))
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return;
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ErrorF("Unable to read the MSR - reverting to the VSA method.\n");
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msr_method = 1;
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}
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/* This is the fallback VSA method - not preferred */
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vsa_msr_read(reg, addr, hi, lo);
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}
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#include "gfx_init.c"
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#include "gfx_msr.c"
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#include "gfx_rndr.c"
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#include "gfx_mode.h"
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#include "gfx_disp.c"
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#include "gfx_vid.c"
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#include "gfx_vip.c"
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#include "gfx_dcdr.c"
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#include "gfx_i2c.c"
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#include "gfx_tv.c"
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#include "gfx_vga.c"
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