ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/udl/udl_drv.c b/marvell/linux/drivers/gpu/drm/udl/udl_drv.c
new file mode 100644
index 0000000..8426669
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/udl/udl_drv.c
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2012 Red Hat
+ */
+
+#include <linux/module.h>
+
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
+#include <drm/drm_ioctl.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_print.h>
+
+#include "udl_drv.h"
+
+static int udl_usb_suspend(struct usb_interface *interface,
+ pm_message_t message)
+{
+ struct drm_device *dev = usb_get_intfdata(interface);
+
+ drm_kms_helper_poll_disable(dev);
+ return 0;
+}
+
+static int udl_usb_resume(struct usb_interface *interface)
+{
+ struct drm_device *dev = usb_get_intfdata(interface);
+
+ drm_kms_helper_poll_enable(dev);
+ udl_modeset_restore(dev);
+ return 0;
+}
+
+static const struct vm_operations_struct udl_gem_vm_ops = {
+ .fault = udl_gem_fault,
+ .open = drm_gem_vm_open,
+ .close = drm_gem_vm_close,
+};
+
+static const struct file_operations udl_driver_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .mmap = udl_drm_gem_mmap,
+ .poll = drm_poll,
+ .read = drm_read,
+ .unlocked_ioctl = drm_ioctl,
+ .release = drm_release,
+ .compat_ioctl = drm_compat_ioctl,
+ .llseek = noop_llseek,
+};
+
+static void udl_driver_release(struct drm_device *dev)
+{
+ udl_fini(dev);
+ udl_modeset_cleanup(dev);
+ drm_dev_fini(dev);
+ kfree(dev);
+}
+
+static struct drm_driver driver = {
+ .driver_features = DRIVER_MODESET | DRIVER_GEM,
+ .release = udl_driver_release,
+
+ /* gem hooks */
+ .gem_free_object_unlocked = udl_gem_free_object,
+ .gem_vm_ops = &udl_gem_vm_ops,
+
+ .dumb_create = udl_dumb_create,
+ .dumb_map_offset = udl_gem_mmap,
+ .fops = &udl_driver_fops,
+
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
+ .gem_prime_export = udl_gem_prime_export,
+ .gem_prime_import = udl_gem_prime_import,
+
+ .name = DRIVER_NAME,
+ .desc = DRIVER_DESC,
+ .date = DRIVER_DATE,
+ .major = DRIVER_MAJOR,
+ .minor = DRIVER_MINOR,
+ .patchlevel = DRIVER_PATCHLEVEL,
+};
+
+static struct udl_device *udl_driver_create(struct usb_interface *interface)
+{
+ struct usb_device *udev = interface_to_usbdev(interface);
+ struct udl_device *udl;
+ int r;
+
+ udl = kzalloc(sizeof(*udl), GFP_KERNEL);
+ if (!udl)
+ return ERR_PTR(-ENOMEM);
+
+ r = drm_dev_init(&udl->drm, &driver, &interface->dev);
+ if (r) {
+ kfree(udl);
+ return ERR_PTR(r);
+ }
+
+ udl->udev = udev;
+ udl->drm.dev_private = udl;
+
+ r = udl_init(udl);
+ if (r) {
+ drm_dev_fini(&udl->drm);
+ kfree(udl);
+ return ERR_PTR(r);
+ }
+
+ usb_set_intfdata(interface, udl);
+ return udl;
+}
+
+static int udl_usb_probe(struct usb_interface *interface,
+ const struct usb_device_id *id)
+{
+ int r;
+ struct udl_device *udl;
+
+ udl = udl_driver_create(interface);
+ if (IS_ERR(udl))
+ return PTR_ERR(udl);
+
+ r = drm_dev_register(&udl->drm, 0);
+ if (r)
+ goto err_free;
+
+ DRM_INFO("Initialized udl on minor %d\n", udl->drm.primary->index);
+
+ return 0;
+
+err_free:
+ drm_dev_put(&udl->drm);
+ return r;
+}
+
+static void udl_usb_disconnect(struct usb_interface *interface)
+{
+ struct drm_device *dev = usb_get_intfdata(interface);
+
+ drm_kms_helper_poll_disable(dev);
+ udl_fbdev_unplug(dev);
+ udl_drop_usb(dev);
+ drm_dev_unplug(dev);
+ drm_dev_put(dev);
+}
+
+/*
+ * There are many DisplayLink-based graphics products, all with unique PIDs.
+ * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff)
+ * We also require a match on SubClass (0x00) and Protocol (0x00),
+ * which is compatible with all known USB 2.0 era graphics chips and firmware,
+ * but allows DisplayLink to increment those for any future incompatible chips
+ */
+static const struct usb_device_id id_table[] = {
+ {.idVendor = 0x17e9, .bInterfaceClass = 0xff,
+ .bInterfaceSubClass = 0x00,
+ .bInterfaceProtocol = 0x00,
+ .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS |
+ USB_DEVICE_ID_MATCH_INT_PROTOCOL,},
+ {},
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver udl_driver = {
+ .name = "udl",
+ .probe = udl_usb_probe,
+ .disconnect = udl_usb_disconnect,
+ .suspend = udl_usb_suspend,
+ .resume = udl_usb_resume,
+ .id_table = id_table,
+};
+module_usb_driver(udl_driver);
+MODULE_LICENSE("GPL");