diff options
Diffstat (limited to 'libdha/sysdep/pci_linux.c')
| -rw-r--r-- | libdha/sysdep/pci_linux.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/libdha/sysdep/pci_linux.c b/libdha/sysdep/pci_linux.c deleted file mode 100644 index ea667f6ee6..0000000000 --- a/libdha/sysdep/pci_linux.c +++ /dev/null @@ -1,191 +0,0 @@ -/* - This file is based on: - $XFree86: xc/programs/Xserver/hw/xfree86/etc/scanpci.c,v 3.34.2.17 1998/11/10 11:55:40 dawes Exp $ - Modified for readability by Nick Kurshev -*/ -#include <errno.h> -#ifdef __i386__ -//#include <sys/perm.h> doesn't exist on libc5 systems -int iopl(); -#else -#if !defined(__sparc__) && !defined(__powerpc__) && !defined(__x86_64__) -#include <sys/io.h> -#endif -#endif - -#include "config.h" - -#ifdef CONFIG_DHAHELPER -#include <fcntl.h> -int dhahelper_initialized = 0; -int dhahelper_fd = 0; -#endif - -#ifdef CONFIG_SVGAHELPER -#include <svgalib_helper.h> -#ifdef __linux__ -#include <linux/ioctl.h> -#endif -#include <fcntl.h> -#ifndef SVGALIB_HELPER_IOC_MAGIC -/* svgalib 1.9.18+ compatibility ::atmos */ -#define SVGALIB_HELPER_IOCGPCIINL SVGAHELPER_PCIINL -#endif -int svgahelper_initialized = 0; -int svgahelper_fd = 0; - -static int pci_config_type(void) -{ - return 1; -} - -static long pci_config_read_long( - unsigned char bus, - unsigned char dev, - int func, - unsigned cmd) -{ - unsigned long config_cmd; - pcic_t p; - - p.address = cmd; - p.pcipos = (bus << 8) | dev | (func << 5); - - if (ioctl(svgahelper_fd, SVGALIB_HELPER_IOCGPCIINL, &p)) - return -1; - - return p.val; -} - -static int pci_get_vendor( - unsigned char bus, - unsigned char dev, - int func) -{ - return pci_config_read_long(bus, dev, func, 0); -} -#endif - -static __inline__ int enable_os_io(void) -{ -#ifdef CONFIG_SVGAHELPER - svgahelper_fd = open(DEV_SVGA, O_RDWR); - if (svgahelper_fd > 0) - { - svgahelper_initialized = 1; - return(0); - } - svgahelper_initialized = -1; -#endif - -#ifdef CONFIG_DHAHELPER - dhahelper_fd = open("/dev/dhahelper", O_RDWR); - if (dhahelper_fd > 0) - { - dhahelper_initialized = 1; - return(0); - } - dhahelper_initialized = -1; -#endif - -#if defined(__powerpc__) && defined(__linux__) -/* should be fixed? */ -#else - if (iopl(3) != 0) - return(errno); -#endif - return(0); -} - -static __inline__ int disable_os_io(void) -{ -#ifdef CONFIG_SVGAHELPER - if (svgahelper_initialized == 1) - close(svgahelper_fd); - else -#endif -#ifdef CONFIG_DHAHELPER - if (dhahelper_initialized == 1) - close(dhahelper_fd); - else -#endif -#if defined(__powerpc__) && defined(__linux__) -/* should be fixed? */ -#else - if (iopl(0) != 0) - return(errno); -#endif - return(0); -} - -#if (defined(__powerpc__) || defined(__sparc__) || defined(__sparc64__) \ - || defined(__x86_64__)) && defined(__linux__) && !defined(CONFIG_SVGAHELPER) -#define CONFIG_PCI_LINUX_PROC -#endif - -#if defined(CONFIG_PCI_LINUX_PROC) -static int pci_config_type( void ) { return 1; } - -/* pci operations for (powerpc) Linux - questions, suggestions etc: - mplayer-dev-eng@mplayerhq.hu, colin@colino.net*/ -#include <fcntl.h> -//#include <sys/io.h> -#include <linux/pci.h> -#include "libavutil/common.h" -#include "mpbswap.h" - -static int pci_get_vendor( - unsigned char bus, - unsigned char dev, - int func) -{ - int retval; - char path[100]; - int fd; - short vendor, device; - sprintf(path,"/proc/bus/pci/%02d/%02x.0", bus, dev); - fd = open(path,O_RDONLY|O_SYNC); - if (fd == -1) { - retval=0xFFFF; - } - else if (pread(fd, &vendor, 2, PCI_VENDOR_ID) == 2 && - pread(fd, &device, 2, PCI_DEVICE_ID) == 2) { - vendor = le2me_16(vendor); - device = le2me_16(device); - retval = vendor + (device<<16); /*no worries about byte order, - all ppc are bigendian*/ - } else { - retval = 0xFFFF; - } - if (fd > 0) { - close(fd); - } - return retval; -} - -static long pci_config_read_long( - unsigned char bus, - unsigned char dev, - int func, - unsigned cmd) -{ - long retval; - char path[100]; - int fd; - sprintf(path,"/proc/bus/pci/%02d/%02x.0", bus, dev); - fd = open(path,O_RDONLY|O_SYNC); - if (fd == -1) { - retval=0; - } - else if (pread(fd, &retval, 4, cmd) == 4) { - retval = le2me_32(retval); - } else { - retval = 0; - } - if (fd > 0) { - close(fd); - } - return retval; -} -#endif |