From c29d91cfd8df084f16d0d2dfa82c3a86f7719a73 Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Mon, 9 Jul 2012 08:08:20 +0200
Subject: fontconfig libX11 mesa pixman xserver git update 9 Jul 2012

---
 .../hw/xfree86/os-support/linux/lnx_platform.c     | 179 +++++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 xorg-server/hw/xfree86/os-support/linux/lnx_platform.c

(limited to 'xorg-server/hw/xfree86/os-support/linux/lnx_platform.c')

diff --git a/xorg-server/hw/xfree86/os-support/linux/lnx_platform.c b/xorg-server/hw/xfree86/os-support/linux/lnx_platform.c
new file mode 100644
index 000000000..76f5583dd
--- /dev/null
+++ b/xorg-server/hw/xfree86/os-support/linux/lnx_platform.c
@@ -0,0 +1,179 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#ifdef XSERVER_PLATFORM_BUS
+
+#include <xf86drm.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+/* Linux platform device support */
+#include "xf86_OSproc.h"
+
+#include "xf86.h"
+#include "xf86platformBus.h"
+#include "xf86Bus.h"
+
+#include "hotplug.h"
+
+static Bool
+get_drm_info(struct OdevAttributes *attribs, char *path)
+{
+    drmSetVersion sv;
+    char *buf;
+    int fd;
+
+    fd = open(path, O_RDWR, O_CLOEXEC);
+    if (fd == -1)
+        return FALSE;
+
+    sv.drm_di_major = 1;
+    sv.drm_di_minor = 4;
+    sv.drm_dd_major = -1;       /* Don't care */
+    sv.drm_dd_minor = -1;       /* Don't care */
+    if (drmSetInterfaceVersion(fd, &sv)) {
+        ErrorF("setversion 1.4 failed\n");
+        return FALSE;
+    }
+
+    xf86_add_platform_device(attribs);
+
+    buf = drmGetBusid(fd);
+    xf86_add_platform_device_attrib(xf86_num_platform_devices - 1,
+                                    ODEV_ATTRIB_BUSID, buf);
+    drmFreeBusid(buf);
+    close(fd);
+    return TRUE;
+}
+
+Bool
+xf86PlatformDeviceCheckBusID(struct xf86_platform_device *device, const char *busid)
+{
+    struct OdevAttribute *attrib;
+    const char *syspath = NULL;
+    BusType bustype;
+    const char *id;
+    xorg_list_for_each_entry(attrib, &device->attribs->list, member) {
+        if (attrib->attrib_id == ODEV_ATTRIB_SYSPATH) {
+            syspath = attrib->attrib_name;
+            break;
+        }
+    }
+
+    if (!syspath)
+        return FALSE;
+
+    bustype = StringToBusType(busid, &id);
+    if (bustype == BUS_PCI) {
+        struct pci_device *pPci = device->pdev;
+        if (xf86ComparePciBusString(busid,
+                                    ((pPci->domain << 8)
+                                     | pPci->bus),
+                                    pPci->dev, pPci->func)) {
+            return TRUE;
+        }
+    }
+    else if (bustype == BUS_PLATFORM) {
+        /* match on the minimum string */
+        int len = strlen(id);
+
+        if (strlen(syspath) < strlen(id))
+            len = strlen(syspath);
+
+        if (strncmp(id, syspath, len))
+            return FALSE;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+void
+xf86PlatformDeviceProbe(struct OdevAttributes *attribs)
+{
+    struct OdevAttribute *attrib;
+    int i;
+    char *path = NULL;
+    Bool ret;
+
+    xorg_list_for_each_entry(attrib, &attribs->list, member) {
+        if (attrib->attrib_id == ODEV_ATTRIB_PATH) {
+            path = attrib->attrib_name;
+            break;
+        }
+    }
+    if (!path)
+        goto out_free;
+
+    for (i = 0; i < xf86_num_platform_devices; i++) {
+        char *dpath;
+        dpath = xf86_get_platform_attrib(i, ODEV_ATTRIB_PATH);
+
+        if (!strcmp(path, dpath))
+            break;
+    }
+
+    if (i != xf86_num_platform_devices)
+        goto out_free;
+
+    LogMessage(X_INFO, "config/udev: Adding drm device (%s)\n",
+               path);
+
+    ret = get_drm_info(attribs, path);
+    if (ret == FALSE)
+        goto out_free;
+
+    return;
+
+out_free:
+    config_odev_free_attribute_list(attribs);
+}
+
+void NewGPUDeviceRequest(struct OdevAttributes *attribs)
+{
+    int old_num = xf86_num_platform_devices;
+    int ret;
+    xf86PlatformDeviceProbe(attribs);
+
+    if (old_num == xf86_num_platform_devices)
+        return;
+
+    ret = xf86platformAddDevice(xf86_num_platform_devices-1);
+    if (ret == -1)
+        xf86_remove_platform_device(xf86_num_platform_devices-1);
+
+    ErrorF("xf86: found device %d\n", xf86_num_platform_devices);
+    return;
+}
+
+void DeleteGPUDeviceRequest(struct OdevAttributes *attribs)
+{
+    struct OdevAttribute *attrib;
+    int index;
+    char *syspath = NULL;
+
+    xorg_list_for_each_entry(attrib, &attribs->list, member) {
+        if (attrib->attrib_id == ODEV_ATTRIB_SYSPATH) {
+            syspath = attrib->attrib_name;
+            break;
+        }
+    }
+
+    for (index = 0; index < xf86_num_platform_devices; index++) {
+        char *dspath;
+        dspath = xf86_get_platform_attrib(index, ODEV_ATTRIB_SYSPATH);
+        if (!strcmp(syspath, dspath))
+            break;
+    }
+
+    if (index == xf86_num_platform_devices)
+        goto out;
+
+    ErrorF("xf86: remove device %d %s\n", index, syspath);
+
+    xf86platformRemoveDevice(index);
+out:
+    config_odev_free_attribute_list(attribs);
+}
+
+#endif
-- 
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