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Diffstat (limited to 'src/gfx/durango.c')
| -rw-r--r-- | src/gfx/durango.c | 488 |
1 files changed, 488 insertions, 0 deletions
diff --git a/src/gfx/durango.c b/src/gfx/durango.c new file mode 100644 index 0000000..47c72d8 --- /dev/null +++ b/src/gfx/durango.c @@ -0,0 +1,488 @@ +/* Copyright (c) 2005 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. + * */ + +/* + * This is the main file used to add Durango graphics support to a software + * project. The main reason to have a single file include the other files + * is that it centralizes the location of the compiler options. This file + * should be tuned for a specific implementation, and then modified as needed + * for new Durango releases. The releases.txt file indicates any updates to + * this main file, such as a new definition for a new hardware platform. + * + * In other words, this file should be copied from the Durango source files + * once when a software project starts, and then maintained as necessary. + * It should not be recopied with new versions of Durango unless the + * developer is willing to tune the file again for the specific project. + * */ + +/* COMPILER OPTIONS + * These compiler options specify how the Durango routines are compiled + * for the different hardware platforms. For best performance, a driver + * would build for a specific platform. The "dynamic" switches are set + * by diagnostic applications such as Darwin that will run on a variety + * of platforms and use the appropriate code at runtime. Each component + * may be separately dynamic, so that a driver has the option of being + * tuned for a specific 2D accelerator, but will still run with a variety + * of chipsets. + */ + +#define GFX_DISPLAY_DYNAMIC 1 /* runtime selection */ +#define GFX_DISPLAY_GU1 1 /* 1st generation display controller */ +#define GFX_DISPLAY_GU2 1 /* 2nd generation display controller */ +#define GFX_DISPLAY_GU3 1 /* 3rd generation display controller */ + +#define GFX_INIT_DYNAMIC 1 /* runtime selection */ +#define GFX_INIT_GU1 1 /* Geode family */ +#define GFX_INIT_GU2 1 /* Redcloud */ +#define GFX_INIT_GU3 1 /* Castle */ + +#define GFX_MSR_DYNAMIC 1 /* runtime selection */ +#define GFX_MSR_REDCLOUD 1 /* Redcloud */ + +#define GFX_2DACCEL_DYNAMIC 1 /* runtime selection */ +#define GFX_2DACCEL_GU1 1 /* 1st generation 2D accelerator */ +#define GFX_2DACCEL_GU2 1 /* 2nd generation 2D accelerator */ + +#define GFX_VIDEO_DYNAMIC 1 /* runtime selection */ +#define GFX_VIDEO_CS5530 1 /* support for CS5530 */ +#define GFX_VIDEO_SC1200 1 /* support for SC1200 */ +#define GFX_VIDEO_REDCLOUD 1 /* support for Redcloud */ +#define GFX_VIDEO_CASTLE 1 /* support for Castle */ + +#define GFX_VIP_DYNAMIC 1 /* runtime selection */ +#define GFX_VIP_SC1200 1 /* support for SC1200 */ + +#define GFX_DECODER_DYNAMIC 1 /* runtime selection */ +#define GFX_DECODER_SAA7114 1 /* Philips SAA7114 decoder */ + +#define GFX_TV_DYNAMIC 1 /* runtime selection */ +#define GFX_TV_FS451 1 /* Focus Enhancements FS450 */ +#define GFX_TV_SC1200 1 /* SC1200 integrated TV encoder */ + +#define GFX_I2C_DYNAMIC 1 /* runtime selection */ +#define GFX_I2C_ACCESS 1 /* support for ACCESS.BUS */ +#define GFX_I2C_GPIO 1 /* support for CS5530 GPIOs */ + +#define GFX_VGA_DYNAMIC 1 /* runtime selection */ +#define GFX_VGA_GU1 1 /* 1st generation graphics unit */ + +#define FB4MB 1 /* Set to use 4Mb video ram for Pyramid */ + +#define GFX_NO_IO_IN_WAIT_MACROS 0 /* Set to remove I/O accesses in GP + * bit testing */ + +/* ROUTINES TO READ VALUES + * These are routines used by Darwin or other diagnostics to read the + * current state of the hardware. Display drivers or embedded applications + * can reduce the size of the Durango code by not including these routines. + */ +#define GFX_READ_ROUTINES 1 /* add routines to read values */ + +/* VARIABLES USED FOR RUNTIME SELECTION + * If part of the graphics subsystem is declared as dynamic, then the + * following variables are used to specify which platform has been detected. + * The variables are set in the "gfx_detect_cpu" routine. The values should + * be bit flags to allow masks to be used to check for multiple platforms. + */ + +#if GFX_DISPLAY_DYNAMIC +int gfx_display_type = 0; +#endif + +#if GFX_INIT_DYNAMIC +int gfx_init_type = 0; +#endif + +#if GFX_MSR_DYNAMIC +int gfx_msr_type = 0; +#endif + +#if GFX_2DACCEL_DYNAMIC +int gfx_2daccel_type = 0; +#endif + +#if GFX_VIDEO_DYNAMIC +int gfx_video_type = 0; +#endif + +#if GFX_VIP_DYNAMIC +int gfx_vip_type = 0; +#endif + +#if GFX_DECODER_DYNAMIC +int gfx_decoder_type = 0; +#endif + +#if GFX_TV_DYNAMIC +int gfx_tv_type = 0; +#endif + +#if GFX_I2C_DYNAMIC +int gfx_i2c_type = 0; +#endif + +#if GFX_VGA_DYNAMIC +int gfx_vga_type = 0; +#endif + +/* HEADER FILE FOR DURANGO ROUTINE DEFINITIONS + * Needed since some of the Durango routines call other Durango routines. + * Also defines the size of chipset array (GFX_CSPTR_SIZE). + */ +#include "gfx_rtns.h" /* routine definitions */ + +/* INCLUDE PROTOTYPES FOR PRIVATE ROUTINES */ + +#include "gfx_priv.h" + +/* DEFINE POINTERS TO MEMORY MAPPED REGIONS + * These pointers are used by the Durango routines to access the hardware. + * The variables must be set by the project's initialization code after + * mapping the regions in the appropriate manner. + */ + +/* DEFINE VIRTUAL ADDRESSES */ +/* Note: These addresses define the starting base expected by all */ +/* Durango offsets. Under an OS that requires these pointers */ +/* to be mapped to linear addresses (i.e Windows), it may not */ +/* be possible to keep these base offsets. In these cases, */ +/* the addresses are modified to point to the beginning of the */ +/* relevant memory region and the access macros are adjusted */ +/* to subtract the offset from the default base. For example, */ +/* the register pointer could be moved to be 0x40008000, while */ +/* the WRITE_REG* macros are modified to subtract 0x8000 from */ +/* the offset. */ + +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; + +/* DEFINE PHYSICAL ADDRESSES */ + +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; + +/* HEADER FILE FOR GRAPHICS REGISTER DEFINITIONS + * This contains only constant definitions, so it should be able to be + * included in any software project as is. + */ +#include "gfx_regs.h" /* graphics register definitions */ + +/* HEADER FILE FOR REGISTER ACCESS MACROS + * This file contains the definitions of the WRITE_REG32 and similar macros + * used by the Durango routines to access the hardware. The file assumes + * that the environment can handle 32-bit pointer access. If this is not + * the case, or if there are special requirements, then this header file + * should not be included and the project must define the macros itself. + * (A project may define WRITE_REG32 to call a routine, for example). + */ +#include "gfx_defs.h" /* register access macros */ + +/* IO MACROS AND ROUTINES + * These macros must be defined before the initialization or I2C + * routines will work properly. + */ + +#if defined(OS_WIN32) /* For Windows */ + +/* VSA II CALL */ + +void +gfx_msr_asm_read(unsigned short msrReg, unsigned long msrAddr, + unsigned long *ptrHigh, unsigned long *ptrLow) +{ + unsigned long temp1, temp2; + + _asm { + mov dx, 0x0AC1C + mov eax, 0x0FC530007 + out dx, eax add dl, 2 mov ecx, msrAddr mov cx, msrReg in ax, dx; + EDX:EAX will contain MSR contents.mov temp1, edx mov temp2, eax} + + *ptrHigh = temp1; + *ptrLow = temp2; +} + +void +gfx_msr_asm_write(unsigned short msrReg, unsigned long msrAddr, + unsigned long *ptrHigh, unsigned long *ptrLow) +{ + unsigned long temp1 = *ptrHigh; + unsigned long temp2 = *ptrLow; + + _asm { + + mov dx, 0x0AC1C + mov eax, 0x0FC530007 out dx, eax add dl, 2 mov ecx, msrAddr; + ECX contains msrAddr | msrReg mov cx, msrReg; + mov ebx, temp1; + + <OR_mask_hi > mov eax, temp2; + <OR_mask_hi > mov esi, 0; + <AND_mask_hi > mov edi, 0; + <AND_mask_lo > out dx, ax; + MSR is written at this point} +} + +unsigned char +gfx_inb(unsigned short port) +{ + unsigned char data; + + _asm { + pushf mov dx, port in al, dx mov data, al popf} + return (data); +} + +unsigned short +gfx_inw(unsigned short port) +{ + unsigned short data; + + _asm { + pushf mov dx, port in ax, dx mov data, ax popf} + return (data); +} + +unsigned long +gfx_ind(unsigned short port) +{ + unsigned long data; + + _asm { + pushf mov dx, port in eax, dx mov data, eax popf} + return (data); +} + +void +gfx_outb(unsigned short port, unsigned char data) +{ + _asm { + pushf mov al, data mov dx, port out dx, al popf} +} + +void +gfx_outw(unsigned short port, unsigned short data) +{ + _asm { + pushf mov ax, data mov dx, port out dx, ax popf} +} + +void +gfx_outd(unsigned short port, unsigned long data) +{ + _asm { + pushf mov eax, data mov dx, port out dx, eax popf} +} + +#elif defined(OS_VXWORKS) || defined (OS_LINUX) /* VxWorks and Linux */ + +#if defined(OS_LINUX) +#include "asm/msr.h" +#endif + +void +gfx_msr_asm_read(unsigned short msrReg, unsigned long msrAddr, + unsigned long *ptrHigh, unsigned long *ptrLow) +{ + unsigned long addr, val1, val2; + + addr = msrAddr | (unsigned long)msrReg; + rdmsr(addr, val1, val2); + + *ptrHigh = val2; + *ptrLow = val1; +} + +void +gfx_msr_asm_write(unsigned short msrReg, unsigned long msrAddr, + unsigned long *ptrHigh, unsigned long *ptrLow) +{ + unsigned long addr, val1, val2; + + val2 = *ptrHigh; + val1 = *ptrLow; + + addr = (msrAddr & 0xFFFF0000) | (unsigned long)msrReg; + wrmsr(addr, val1, val2); +} + +unsigned char +gfx_inb(unsigned short port) +{ + unsigned char value; + __asm__ volatile ("inb %1,%0":"=a" (value):"d"(port)); + + return value; +} + +unsigned short +gfx_inw(unsigned short port) +{ + unsigned short value; + __asm__ volatile ("in %1,%0":"=a" (value):"d"(port)); + + return value; +} + +unsigned long +gfx_ind(unsigned short port) +{ + unsigned long value; + __asm__ volatile ("inl %1,%0":"=a" (value):"d"(port)); + + return value; +} + +void +gfx_outb(unsigned short port, unsigned char data) +{ + __asm__ volatile ("outb %0,%1"::"a" (data), "d"(port)); +} + +void +gfx_outw(unsigned short port, unsigned short data) +{ + __asm__ volatile ("out %0,%1"::"a" (data), "d"(port)); +} + +void +gfx_outd(unsigned short port, unsigned long data) +{ + __asm__ volatile ("outl %0,%1"::"a" (data), "d"(port)); +} + +#else /* else nothing */ + +unsigned char +gfx_inb(unsigned short port) +{ + /* ADD OS SPECIFIC IMPLEMENTATION */ + return (0); +} + +unsigned short +gfx_inw(unsigned short port) +{ + /* ADD OS SPECIFIC IMPLEMENTATION */ + return (0); +} + +unsigned long +gfx_ind(unsigned short port) +{ + /* ADD OS SPECIFIC IMPLEMENTATION */ + return (0); +} + +void +gfx_outb(unsigned short port, unsigned char data) +{ + /* ADD OS SPECIFIC IMPLEMENTATION */ +} + +void +gfx_outw(unsigned short port, unsigned short data) +{ + /* ADD OS SPECIFIC IMPLEMENTATION */ +} + +void +gfx_outd(unsigned short port, unsigned long data) +{ + /* ADD OS SPECIFIC IMPLEMENTATION */ +} +#endif + +#define INB(port) gfx_inb(port) +#define INW(port) gfx_inw(port) +#define IND(port) gfx_ind(port) +#define OUTB(port, data) gfx_outb(port, data) +#define OUTW(port, data) gfx_outw(port, data) +#define OUTD(port, data) gfx_outd(port, data) + +/* INITIALIZATION ROUTINES + * These routines are used during the initialization of the driver to + * perform such tasks as detecting the type of CPU and video hardware. + * The routines require the use of IO, so the above IO routines need + * to be implemented before the initialization routines will work + * properly. + */ + +#include "gfx_init.c" + +/* INCLUDE MSR ACCESS ROUTINES */ + +#include "gfx_msr.c" + +/* INCLUDE GRAPHICS ENGINE ROUTINES + * These routines are used to program the 2D graphics accelerator. If + * the project does not use graphics acceleration (direct frame buffer + * access only), then this file does not need to be included. + */ +#include "gfx_rndr.c" /* graphics engine routines */ + +/* INCLUDE DISPLAY CONTROLLER ROUTINES + * These routines are used if the display mode is set directly. If the + * project uses VGA registers to set a display mode, then these files + * do not need to be included. + */ +#include "gfx_mode.h" /* display mode tables */ +#include "gfx_disp.c" /* display controller routines */ + +/* INCLUDE VIDEO OVERLAY ROUTINES + * These routines control the video overlay hardware. + */ +#include "gfx_vid.c" /* video overlay routines */ + +/* VIDEO PORT AND VIDEO DECODER ROUTINES + * These routines rely on the I2C routines. + */ +#include "gfx_vip.c" /* video port routines */ +#include "gfx_dcdr.c" /* video decoder routines */ + +/* I2C BUS ACCESS ROUTINES + * These routines are used by the video decoder and possibly an + * external TV encoer. + */ +#include "gfx_i2c.c" /* I2C bus access routines */ + +/* TV ENCODER ROUTINES + * This file does not need to be included if the system does not + * support TV output. + */ +#include "gfx_tv.c" /* TV encoder routines */ + +/* VGA ROUTINES + * This file is used if setting display modes using VGA registers. + */ +#include "gfx_vga.c" /* VGA routines */ + +/* END OF FILE */ |