big vidix driver update by James Stembridge

CVS patchset: 3907
CVS date: 2003/01/13 23:36:01

1 files changed, 234 insertions, 0 deletions

diff --git a/src/video_out/libdha/sysdep/pci_powerpc.c b/src/video_out/libdha/sysdep/pci_powerpc.c
index 9239521ec..b2914d551 100644
--- a/src/video_out/libdha/sysdep/pci_powerpc.c
+++ b/src/video_out/libdha/sysdep/pci_powerpc.c
@@ -6,6 +6,43 @@
 
 static int pci_config_type( void ) { return 1; }
 
+#ifdef linux
+#include <fcntl.h>
+#include <sys/io.h>
+#include <linux/pci.h>
+#include "../../bswap.h"
+#endif
+
+#ifdef linux
+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 = bswap_16(vendor);
+	    device = bswap_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;
+}
+#else
 static int pci_get_vendor(
           unsigned char bus,
           unsigned char dev,
@@ -15,7 +52,145 @@ static int pci_get_vendor(
     pciconfig_read(bus, dev<<3, PCI_ID_REG, 4, &retval);
     return retval;
 }
+#endif
+#ifdef linux
+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 = bswap_32(retval);
+    } else {
+	    retval = 0;
+    }   
+    if (fd > 0) {
+	    close(fd);
+    }
+    return retval;
+}
 
+static long pci_config_read_word(
+	  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, 2, cmd) == 2) {
+	    retval = bswap_16(retval);
+    } else {
+	    retval = 0;
+    }   
+    if (fd > 0) {
+	    close(fd);
+    }
+    return retval;
+}
+
+static long pci_config_read_byte(
+	  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, 1, cmd) != 1) {
+	    retval = 0;
+    }   
+    if (fd > 0) {
+	    close(fd);
+    }
+    return retval;
+}
+
+static void pci_config_write_long(
+	  unsigned char bus,
+	  unsigned char dev,
+	  int func, 
+	  unsigned cmd,
+	  long val)
+{
+    char path[100];
+    int fd;
+    val = bswap_32(val);
+    sprintf(path,"/proc/bus/pci/%02d/%02x.0", bus, dev);
+    fd = open(path,O_RDONLY|O_SYNC);
+    if (fd == -1) {
+	    retval=0;
+    }
+    else pwrite(fd, &val, 4, cmd);
+    if (fd > 0) {
+	    close(fd);
+    }
+}
+
+static void pci_config_write_word(
+	  unsigned char bus,
+	  unsigned char dev,
+	  int func, 
+	  unsigned cmd,
+	  long val)
+{
+    char path[100];
+    int fd;
+    val = bswap_16(val);
+    sprintf(path,"/proc/bus/pci/%02d/%02x.0", bus, dev);
+    fd = open(path,O_RDONLY|O_SYNC);
+    if (fd == -1) {
+	    retval=0;
+    }
+    else pwrite(fd, &val, 2, cmd);
+    if (fd > 0) {
+	    close(fd);
+    }
+    return retval;
+}
+
+static void pci_config_write_byte(
+	  unsigned char bus,
+	  unsigned char dev,
+	  int func, 
+	  unsigned cmd,
+	  long val)
+{
+    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 pwrite(fd, &retval, 1, cmd);
+    if (fd > 0) {
+	    close(fd);
+    }
+    return retval;
+}
+#else
 static long pci_config_read_long(
           unsigned char bus,
           unsigned char dev,
@@ -26,3 +201,62 @@ static long pci_config_read_long(
     pciconfig_read(bus, dev<<3, cmd, 4, &retval);
     return retval;
 }
+
+static long pci_config_read_word(
+          unsigned char bus,
+          unsigned char dev,
+          int func, 
+          unsigned cmd)
+{
+    long retval;
+    pciconfig_read(bus, dev<<3, cmd, 2, &retval);
+    return retval;
+}
+
+static long pci_config_read_byte(
+          unsigned char bus,
+          unsigned char dev,
+          int func, 
+          unsigned cmd)
+{
+    long retval;
+    pciconfig_read(bus, dev<<3, cmd, 1, &retval);
+    return retval;
+}
+
+static void pci_config_write_long(
+          unsigned char bus,
+          unsigned char dev,
+          int func, 
+          unsigned cmd,
+	  long val)
+{
+    long retval;
+    pciconfig_write(bus, dev<<3, cmd, 4, val);
+    return retval;
+}
+
+static void pci_config_write_word(
+          unsigned char bus,
+          unsigned char dev,
+          int func, 
+          unsigned cmd,
+	  long val)
+{
+    long retval;
+    pciconfig_write(bus, dev<<3, cmd, 2, val);
+    return retval;
+}
+
+static void pci_config_write_byte(
+          unsigned char bus,
+          unsigned char dev,
+          int func, 
+          unsigned cmd,
+	  long val)
+{
+    long retval;
+    pciconfig_write(bus, dev<<3, cmd, 1, val);
+    return retval;
+}
+#endif