fontconfig libX11 mesa pixman xserver git update 9 Jul 2012

1 files changed, 489 insertions, 0 deletions

diff --git a/xorg-server/hw/xfree86/common/xf86platformBus.c b/xorg-server/hw/xfree86/common/xf86platformBus.c
new file mode 100644
index 000000000..3bfb22e83
--- /dev/null
+++ b/xorg-server/hw/xfree86/common/xf86platformBus.c
@@ -0,0 +1,489 @@
+/*
+ * Copyright © 2012 Red Hat.
+ *
+ * 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.
+ *
+ * Author: Dave Airlie <airlied@redhat.com>
+ */
+
+/*
+ * This file contains the interfaces to the bus-specific code
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#ifdef XSERVER_PLATFORM_BUS
+#include <errno.h>
+
+#include <pciaccess.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "os.h"
+#include "hotplug.h"
+
+#include "xf86.h"
+#include "xf86_OSproc.h"
+#include "xf86Priv.h"
+#include "xf86str.h"
+#include "xf86Bus.h"
+#include "Pci.h"
+#include "xf86platformBus.h"
+
+int platformSlotClaimed;
+
+int xf86_num_platform_devices;
+
+static struct xf86_platform_device *xf86_platform_devices;
+
+int
+xf86_add_platform_device(struct OdevAttributes *attribs)
+{
+    xf86_platform_devices = xnfrealloc(xf86_platform_devices,
+                                   (sizeof(struct xf86_platform_device)
+                                    * (xf86_num_platform_devices + 1)));
+
+    xf86_platform_devices[xf86_num_platform_devices].attribs = attribs;
+    xf86_platform_devices[xf86_num_platform_devices].pdev = NULL;
+
+    xf86_num_platform_devices++;
+    return 0;
+}
+
+int
+xf86_remove_platform_device(int dev_index)
+{
+    int j;
+
+    config_odev_free_attribute_list(xf86_platform_devices[dev_index].attribs);
+
+    for (j = dev_index; j < xf86_num_platform_devices - 1; j++)
+        memcpy(&xf86_platform_devices[j], &xf86_platform_devices[j + 1], sizeof(struct xf86_platform_device));
+    xf86_num_platform_devices--;
+    return 0;
+}
+
+Bool
+xf86_add_platform_device_attrib(int index, int attrib_id, char *attrib_name)
+{
+    struct xf86_platform_device *device = &xf86_platform_devices[index];
+
+    return config_odev_add_attribute(device->attribs, attrib_id, attrib_name);
+}
+
+char *
+xf86_get_platform_attrib(int index, int attrib_id)
+{
+    struct xf86_platform_device *device = &xf86_platform_devices[index];
+    struct OdevAttribute *oa;
+
+    xorg_list_for_each_entry(oa, &device->attribs->list, member) {
+        if (oa->attrib_id == attrib_id)
+            return oa->attrib_name;
+    }
+    return NULL;
+}
+
+char *
+xf86_get_platform_device_attrib(struct xf86_platform_device *device, int attrib_id)
+{
+    struct OdevAttribute *oa;
+
+    xorg_list_for_each_entry(oa, &device->attribs->list, member) {
+        if (oa->attrib_id == attrib_id)
+            return oa->attrib_name;
+    }
+    return NULL;
+}
+
+
+/*
+ * xf86IsPrimaryPlatform() -- return TRUE if primary device
+ * is a platform device and it matches this one.
+ */
+
+static Bool
+xf86IsPrimaryPlatform(struct xf86_platform_device *plat)
+{
+    return ((primaryBus.type == BUS_PLATFORM) && (plat == primaryBus.id.plat));
+}
+
+static void
+platform_find_pci_info(struct xf86_platform_device *pd, char *busid)
+{
+    struct pci_slot_match devmatch;
+    struct pci_device *info;
+    struct pci_device_iterator *iter;
+    int ret;
+
+    ret = sscanf(busid, "pci:%04x:%02x:%02x.%u",
+                 &devmatch.domain, &devmatch.bus, &devmatch.dev,
+                 &devmatch.func);
+    if (ret != 4)
+        return;
+
+    iter = pci_slot_match_iterator_create(&devmatch);
+    info = pci_device_next(iter);
+    if (info) {
+        pd->pdev = info;
+        pci_device_probe(info);
+        if (pci_device_is_boot_vga(info)) {
+            primaryBus.type = BUS_PLATFORM;
+            primaryBus.id.plat = pd;
+        }
+    }
+    pci_iterator_destroy(iter);
+
+}
+
+static Bool
+xf86_check_platform_slot(const struct xf86_platform_device *pd)
+{
+    int i;
+
+    for (i = 0; i < xf86NumEntities; i++) {
+        const EntityPtr u = xf86Entities[i];
+
+        if (pd->pdev && u->bus.type == BUS_PCI)
+            return !MATCH_PCI_DEVICES(pd->pdev, u->bus.id.pci);
+        if ((u->bus.type == BUS_PLATFORM) && (pd == u->bus.id.plat)) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
+/**
+ *  @return The numbers of found devices that match with the current system
+ *  drivers.
+ */
+int
+xf86PlatformMatchDriver(char *matches[], int nmatches)
+{
+    int i, j = 0;
+    struct pci_device *info = NULL;
+    int pass = 0;
+
+    for (pass = 0; pass < 2; pass++) {
+        for (i = 0; i < xf86_num_platform_devices; i++) {
+
+            if (xf86IsPrimaryPlatform(&xf86_platform_devices[i]) && (pass == 1))
+                continue;
+            else if (!xf86IsPrimaryPlatform(&xf86_platform_devices[i]) && (pass == 0))
+                continue;
+
+            info = xf86_platform_devices[i].pdev;
+#ifdef __linux__
+            if (info)
+                xf86MatchDriverFromFiles(matches, info->vendor_id, info->device_id);
+#endif
+
+            for (j = 0; (j < nmatches) && (matches[j]); j++) {
+                /* find end of matches list */
+            }
+
+            if ((info != NULL) && (j < nmatches)) {
+                j += xf86VideoPtrToDriverList(info, &(matches[j]), nmatches - j);
+            }
+        }
+    }
+    return j;
+}
+
+int
+xf86platformProbe(void)
+{
+    int i;
+    Bool pci = TRUE;
+
+    if (!xf86scanpci()) {
+        pci = FALSE;
+    }
+
+    config_odev_probe(&xf86PlatformDeviceProbe);
+    for (i = 0; i < xf86_num_platform_devices; i++) {
+        char *busid = xf86_get_platform_attrib(i, ODEV_ATTRIB_BUSID);
+
+        if (pci && (strncmp(busid, "pci:", 4) == 0)) {
+            platform_find_pci_info(&xf86_platform_devices[i], busid);
+        }
+    }
+    return 0;
+}
+
+static int
+xf86ClaimPlatformSlot(struct xf86_platform_device * d, DriverPtr drvp,
+                  int chipset, GDevPtr dev, Bool active)
+{
+    EntityPtr p = NULL;
+    int num;
+
+    if (xf86_check_platform_slot(d)) {
+        num = xf86AllocateEntity();
+        p = xf86Entities[num];
+        p->driver = drvp;
+        p->chipset = chipset;
+        p->bus.type = BUS_PLATFORM;
+        p->bus.id.plat = d;
+        p->active = active;
+        p->inUse = FALSE;
+        if (dev)
+            xf86AddDevToEntity(num, dev);
+
+        platformSlotClaimed++;
+        return num;
+    }
+    else
+        return -1;
+}
+
+static int
+xf86UnclaimPlatformSlot(struct xf86_platform_device *d, GDevPtr dev)
+{
+    int i;
+
+    for (i = 0; i < xf86NumEntities; i++) {
+        const EntityPtr p = xf86Entities[i];
+
+        if ((p->bus.type == BUS_PLATFORM) && (p->bus.id.plat == d)) {
+            if (dev)
+                xf86RemoveDevFromEntity(i, dev);
+            platformSlotClaimed--;
+            p->bus.type = BUS_NONE;
+            return 0;
+        }
+    }
+    return 0;
+}
+
+
+#define END_OF_MATCHES(m)                                               \
+    (((m).vendor_id == 0) && ((m).device_id == 0) && ((m).subvendor_id == 0))
+
+static Bool doPlatformProbe(struct xf86_platform_device *dev, DriverPtr drvp,
+                            GDevPtr gdev, int flags, intptr_t match_data)
+{
+    Bool foundScreen = FALSE;
+    int entity;
+
+    if (gdev->screen == 0 && !xf86_check_platform_slot(dev))
+        return FALSE;
+
+    entity = xf86ClaimPlatformSlot(dev, drvp, 0,
+                                   gdev, gdev->active);
+
+    if ((entity == -1) && (gdev->screen > 0)) {
+        unsigned nent;
+
+        for (nent = 0; nent < xf86NumEntities; nent++) {
+            EntityPtr pEnt = xf86Entities[nent];
+
+            if (pEnt->bus.type != BUS_PLATFORM)
+                continue;
+            if (pEnt->bus.id.plat == dev) {
+                entity = nent;
+                xf86AddDevToEntity(nent, gdev);
+                break;
+            }
+        }
+    }
+    if (entity != -1) {
+        if (drvp->platformProbe(drvp, entity, flags, dev, match_data))
+            foundScreen = TRUE;
+        else
+            xf86UnclaimPlatformSlot(dev, gdev);
+    }
+    return foundScreen;
+}
+
+static Bool
+probeSingleDevice(struct xf86_platform_device *dev, DriverPtr drvp, GDevPtr gdev, int flags)
+{
+    int k;
+    Bool foundScreen = FALSE;
+    struct pci_device *pPci;
+    const struct pci_id_match *const devices = drvp->supported_devices;
+
+    if (dev->pdev && devices) {
+        int device_id = dev->pdev->device_id;
+        pPci = dev->pdev;
+        for (k = 0; !END_OF_MATCHES(devices[k]); k++) {
+            if (PCI_ID_COMPARE(devices[k].vendor_id, pPci->vendor_id)
+                && PCI_ID_COMPARE(devices[k].device_id, device_id)
+                && ((devices[k].device_class_mask & pPci->device_class)
+                    ==  devices[k].device_class)) {
+                foundScreen = doPlatformProbe(dev, drvp, gdev, flags, devices[k].match_data);
+                if (foundScreen)
+                    break;
+            }
+        }
+    }
+    else if (dev->pdev && !devices)
+        return FALSE;
+    else
+        foundScreen = doPlatformProbe(dev, drvp, gdev, flags, 0);
+    return foundScreen;
+}
+
+int
+xf86platformProbeDev(DriverPtr drvp)
+{
+    Bool foundScreen = FALSE;
+    GDevPtr *devList;
+    const unsigned numDevs = xf86MatchDevice(drvp->driverName, &devList);
+    int i, j;
+
+    /* find the main device or any device specificed in xorg.conf */
+    for (i = 0; i < numDevs; i++) {
+        for (j = 0; j < xf86_num_platform_devices; j++) {
+            if (devList[i]->busID && *devList[i]->busID) {
+                if (xf86PlatformDeviceCheckBusID(&xf86_platform_devices[j], devList[i]->busID))
+                    break;
+            }
+            else {
+                if (xf86_platform_devices[j].pdev) {
+                    if (xf86IsPrimaryPlatform(&xf86_platform_devices[j]))
+                        break;
+                }
+            }
+        }
+
+        if (j == xf86_num_platform_devices)
+             continue;
+
+        foundScreen = probeSingleDevice(&xf86_platform_devices[j], drvp, devList[i], 0);
+        if (!foundScreen)
+            continue;
+    }
+
+    /* if autoaddgpu devices is enabled then go find a few more and add them as GPU screens */
+    if (xf86Info.autoAddGPU && numDevs) {
+        for (j = 0; j < xf86_num_platform_devices; j++) {
+            probeSingleDevice(&xf86_platform_devices[j], drvp, devList[0], PLATFORM_PROBE_GPU_SCREEN);
+        }
+    }
+
+    return foundScreen;
+}
+
+int
+xf86platformAddDevice(int index)
+{
+    int i, old_screens, scr_index;
+    DriverPtr drvp = NULL;
+    int entity;
+    screenLayoutPtr layout;
+    static char *hotplug_driver_name = "modesetting";
+
+    /* force load the driver for now */
+    xf86LoadOneModule(hotplug_driver_name, NULL);
+
+    for (i = 0; i < xf86NumDrivers; i++) {
+        if (!xf86DriverList[i])
+            continue;
+
+        if (!strcmp(xf86DriverList[i]->driverName, hotplug_driver_name)) {
+            drvp = xf86DriverList[i];
+            break;
+        }
+    }
+    if (i == xf86NumDrivers)
+        return -1;
+
+    old_screens = xf86NumGPUScreens;
+    entity = xf86ClaimPlatformSlot(&xf86_platform_devices[index],
+                                   drvp, 0, 0, 0);
+    if (!drvp->platformProbe(drvp, entity, PLATFORM_PROBE_GPU_SCREEN, &xf86_platform_devices[index], 0)) {
+        xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL);
+    }
+    if (old_screens == xf86NumGPUScreens)
+        return -1;
+    i = old_screens;
+
+    for (layout = xf86ConfigLayout.screens; layout->screen != NULL;
+         layout++) {
+        xf86GPUScreens[i]->confScreen = layout->screen;
+        break;
+    }
+
+    if (xf86GPUScreens[i]->PreInit &&
+        xf86GPUScreens[i]->PreInit(xf86GPUScreens[i], 0))
+        xf86GPUScreens[i]->configured = TRUE; 
+
+    if (!xf86GPUScreens[i]->configured) {
+        ErrorF("hotplugged device %d didn't configure\n", i);
+        xf86DeleteScreen(xf86GPUScreens[i]);
+        return -1;
+    }
+        
+   scr_index = AddGPUScreen(xf86GPUScreens[i]->ScreenInit, 0, NULL);
+   
+   dixSetPrivate(&xf86GPUScreens[i]->pScreen->devPrivates,
+                 xf86ScreenKey, xf86GPUScreens[i]);
+
+   CreateScratchPixmapsForScreen(xf86GPUScreens[i]->pScreen);
+  
+   return 0;
+}
+
+void
+xf86platformRemoveDevice(int index)
+{
+    EntityPtr entity;
+    int ent_num, i, j;
+    Bool found;
+
+    for (ent_num = 0; ent_num < xf86NumEntities; ent_num++) {
+        entity = xf86Entities[ent_num];
+        if (entity->bus.type == BUS_PLATFORM &&
+            entity->bus.id.plat == &xf86_platform_devices[index])
+            break;
+    }
+    if (ent_num == xf86NumEntities)
+        goto out;
+
+    found = FALSE;
+    for (i = 0; i < xf86NumGPUScreens; i++) {
+        for (j = 0; j < xf86GPUScreens[i]->numEntities; j++)
+            if (xf86GPUScreens[i]->entityList[j] == ent_num) {
+                found = TRUE;
+                break;
+            }
+        if (found)
+            break;
+    }
+    if (!found) {
+        ErrorF("failed to find screen to remove\n");
+        goto out;
+    }
+
+    xf86GPUScreens[i]->pScreen->CloseScreen(xf86GPUScreens[i]->pScreen);
+
+    RemoveGPUScreen(xf86GPUScreens[i]->pScreen);
+    xf86DeleteScreen(xf86GPUScreens[i]);
+
+    xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL);
+
+    xf86_remove_platform_device(index);
+
+ out:
+    return;
+}
+#endif