File radeontool-get-rid-of-lspci.diff of Package radeontool

--- radeontool.c	2006/02/22 11:07:50	1.3
+++ radeontool.c	2006/03/08 00:37:25
@@ -21,6 +21,7 @@
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <sys/mman.h>
+#include <pci/pci.h>
 
 #include "radeon_reg.h"
 
@@ -231,7 +232,7 @@ void radeon_cmd_stretch(char *param)
     radeon_set(RADEON_FP_VERT_STRETCH,"RADEON_FP_VERT_STRETCH",fp_vert_stretch);
 }
 
-
+#if 0
 /* Here we fork() and exec() the lspci command to look for the Radeon hardware address. */
 static void map_radeon_cntl_mem(void)
 {
@@ -317,6 +318,62 @@ We need to look through it to find the s
         printf("Radeon found. Base control address is %x.\n",base);
     radeon_cntl_mem = map_device_memory(base,0x2000);
 }
+#else
+static u32
+conf2long(unsigned char *c, unsigned int p)
+{
+    return c[p] | (c[p+1] << 8) | (c[p+2] << 16) | (c[p+3] << 24);
+}
+
+static void map_radeon_cntl_mem(void)
+{
+    struct pci_access *pacc;
+    struct pci_dev *dev;
+    unsigned int class;
+    int i;
+    int base = -1;
+    unsigned char *config;
+
+    config = malloc(64);
+    if (!config)
+        fatal("malloc(64) failed\n");
+    pacc = pci_alloc();
+    pci_init(pacc);
+    pci_scan_bus(pacc);
+    for(dev=pacc->devices; dev; dev=dev->next) {            /* Iterate over all devices */
+        pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES);/* Fill in header info we need */
+        class = pci_read_word(dev, PCI_CLASS_DEVICE);       /* Read config register directly */
+        if (dev->vendor_id == 0x1002 && class == 0x300) {   /* ATI && Graphics card */
+            if (debug)
+                printf("Found: %02x:%02x.%d vendor=%04x device=%04x class=%04x\n",
+                       dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id, class);
+            if (skip-- < 1) {
+                pci_read_block(dev, 0, config, 64);
+                for (i=0; i<6; i++){
+                    u32 flag = conf2long(config, PCI_BASE_ADDRESS_0 + 4*i);
+                    if (flag & PCI_BASE_ADDRESS_SPACE_IO)   /* I/O-Ports, not memory */
+                        continue;
+                    /* the original code parsed lspci for "emory" and "K", so it
+                     * has to be at least 1K and less than 1M
+                     */
+                    if (dev->size[i] >=1024 && dev->size[i] < 1024*1024) {
+                        base = dev->base_addr[i];
+                        goto found;
+                    }
+                }
+            }
+        }
+    }
+ found:
+    pci_cleanup(pacc);
+    free(config);
+    if (base == -1)
+        fatal("Radeon not found.\n");
+    if (debug)
+        printf("Radeon found. Base control address is %x.\n",base);
+    radeon_cntl_mem = map_device_memory(base,0x2000);
+}
+#endif
 
 int main(int argc,char *argv[]) 
 {
@@ -328,7 +385,7 @@ int main(int argc,char *argv[]) 
         debug=1;
         argv++; argc--;
     };
-    if(strcmp(argv[1],"--skip=") == 0) {
+    if(strncmp(argv[1],"--skip=",7) == 0) {
         skip=atoi(argv[1]+7);
         argv++; argc--;
     };