@@ -6889,6 +6889,12 @@ S: Supported
T: git https://gitlab.freedesktop.org/drm/misc/kernel.git
F: drivers/gpu/drm/sun4i/sun8i*
+DRM DRIVER FOR APPLE TOUCH BARS
+M: Kerem Karabay <kekrby@gmail.com>
+L: dri-devel@lists.freedesktop.org
+S: Maintained
+F: drivers/gpu/drm/tiny/appletbdrm.c
+
DRM DRIVER FOR ARM PL111 CLCD
S: Orphan
T: git https://gitlab.freedesktop.org/drm/misc/kernel.git
@@ -1,5 +1,17 @@
# SPDX-License-Identifier: GPL-2.0-only
+config DRM_APPLETBDRM
+ tristate "DRM support for Apple Touch Bars"
+ depends on DRM && USB && MMU
+ select DRM_KMS_HELPER
+ select DRM_GEM_SHMEM_HELPER
+ help
+ Say Y here if you want support for the display of Touch Bars on x86
+ MacBook Pros.
+
+ To compile this driver as a module, choose M here: the
+ module will be called appletbdrm.
+
config DRM_ARCPGU
tristate "ARC PGU"
depends on DRM && OF
@@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_DRM_APPLETBDRM) += appletbdrm.o
obj-$(CONFIG_DRM_ARCPGU) += arcpgu.o
obj-$(CONFIG_DRM_BOCHS) += bochs.o
obj-$(CONFIG_DRM_CIRRUS_QEMU) += cirrus.o
new file mode 100644
@@ -0,0 +1,624 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Apple Touch Bar DRM Driver
+ *
+ * Copyright (c) 2023 Kerem Karabay <kekrby@gmail.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <asm/unaligned.h>
+
+#include <linux/usb.h>
+#include <linux/module.h>
+
+#include <drm/drm_drv.h>
+#include <drm/drm_fourcc.h>
+#include <drm/drm_probe_helper.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_damage_helper.h>
+#include <drm/drm_format_helper.h>
+#include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_gem_atomic_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+#include <drm/drm_gem_framebuffer_helper.h>
+
+#define _APPLETBDRM_FOURCC(s) (((s)[0] << 24) | ((s)[1] << 16) | ((s)[2] << 8) | (s)[3])
+#define APPLETBDRM_FOURCC(s) _APPLETBDRM_FOURCC(#s)
+
+#define APPLETBDRM_PIXEL_FORMAT APPLETBDRM_FOURCC(RGBA) /* The actual format is BGR888 */
+#define APPLETBDRM_BITS_PER_PIXEL 24
+
+#define APPLETBDRM_MSG_CLEAR_DISPLAY APPLETBDRM_FOURCC(CLRD)
+#define APPLETBDRM_MSG_GET_INFORMATION APPLETBDRM_FOURCC(GINF)
+#define APPLETBDRM_MSG_UPDATE_COMPLETE APPLETBDRM_FOURCC(UDCL)
+#define APPLETBDRM_MSG_SIGNAL_READINESS APPLETBDRM_FOURCC(REDY)
+
+#define APPLETBDRM_BULK_MSG_TIMEOUT 1000
+
+#define drm_to_adev(_drm) container_of(_drm, struct appletbdrm_device, drm)
+#define adev_to_udev(adev) interface_to_usbdev(to_usb_interface(adev->dev))
+
+struct appletbdrm_device {
+ struct device *dev;
+
+ u8 in_ep;
+ u8 out_ep;
+
+ u32 width;
+ u32 height;
+
+ struct drm_device drm;
+ struct drm_display_mode mode;
+ struct drm_connector connector;
+ struct drm_simple_display_pipe pipe;
+
+ bool readiness_signal_received;
+};
+
+struct appletbdrm_request_header {
+ __le16 unk_00;
+ __le16 unk_02;
+ __le32 unk_04;
+ __le32 unk_08;
+ __le32 size;
+} __packed;
+
+struct appletbdrm_response_header {
+ u8 unk_00[16];
+ u32 msg;
+} __packed;
+
+struct appletbdrm_simple_request {
+ struct appletbdrm_request_header header;
+ u32 msg;
+ u8 unk_14[8];
+ __le32 size;
+} __packed;
+
+struct appletbdrm_information {
+ struct appletbdrm_response_header header;
+ u8 unk_14[12];
+ __le32 width;
+ __le32 height;
+ u8 bits_per_pixel;
+ __le32 bytes_per_row;
+ __le32 orientation;
+ __le32 bitmap_info;
+ u32 pixel_format;
+ __le32 width_inches; /* floating point */
+ __le32 height_inches; /* floating point */
+} __packed;
+
+struct appletbdrm_frame {
+ __le16 begin_x;
+ __le16 begin_y;
+ __le16 width;
+ __le16 height;
+ __le32 buf_size;
+ u8 buf[];
+} __packed;
+
+struct appletbdrm_fb_request_footer {
+ u8 unk_00[12];
+ __le32 unk_0c;
+ u8 unk_10[12];
+ __le32 unk_1c;
+ __le64 timestamp;
+ u8 unk_28[12];
+ __le32 unk_34;
+ u8 unk_38[20];
+ __le32 unk_4c;
+} __packed;
+
+struct appletbdrm_fb_request {
+ struct appletbdrm_request_header header;
+ __le16 unk_10;
+ u8 msg_id;
+ u8 unk_13[29];
+ /*
+ * Contents of `data`:
+ * - struct appletbdrm_frame frames[];
+ * - struct appletbdrm_fb_request_footer footer;
+ * - padding to make the total size a multiple of 16
+ */
+ u8 data[];
+} __packed;
+
+struct appletbdrm_fb_request_response {
+ struct appletbdrm_response_header header;
+ u8 unk_14[12];
+ __le64 timestamp;
+} __packed;
+
+static int appletbdrm_send_request(struct appletbdrm_device *adev,
+ struct appletbdrm_request_header *request, size_t size)
+{
+ struct usb_device *udev = adev_to_udev(adev);
+ struct drm_device *drm = &adev->drm;
+ int ret, actual_size;
+
+ ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, adev->out_ep),
+ request, size, &actual_size, APPLETBDRM_BULK_MSG_TIMEOUT);
+ if (ret) {
+ drm_err(drm, "Failed to send message (%pe)\n", ERR_PTR(ret));
+ return ret;
+ }
+
+ if (actual_size != size) {
+ drm_err(drm, "Actual size (%d) doesn't match expected size (%lu)\n",
+ actual_size, size);
+ return -EIO;
+ }
+
+ return ret;
+}
+
+static int appletbdrm_read_response(struct appletbdrm_device *adev,
+ struct appletbdrm_response_header *response,
+ size_t size, u32 expected_response)
+{
+ struct usb_device *udev = adev_to_udev(adev);
+ struct drm_device *drm = &adev->drm;
+ int ret, actual_size;
+
+retry:
+ ret = usb_bulk_msg(udev, usb_rcvbulkpipe(udev, adev->in_ep),
+ response, size, &actual_size, APPLETBDRM_BULK_MSG_TIMEOUT);
+ if (ret) {
+ drm_err(drm, "Failed to read response (%pe)\n", ERR_PTR(ret));
+ return ret;
+ }
+
+ /*
+ * The device responds to the first request sent in a particular
+ * timeframe after the USB device configuration is set with a readiness
+ * signal, in which case the response should be read again
+ */
+ if (response->msg == APPLETBDRM_MSG_SIGNAL_READINESS) {
+ if (!adev->readiness_signal_received) {
+ adev->readiness_signal_received = true;
+ goto retry;
+ }
+
+ drm_err(drm, "Encountered unexpected readiness signal\n");
+ return -EIO;
+ }
+
+ if (actual_size != size) {
+ drm_err(drm, "Actual size (%d) doesn't match expected size (%lu)\n",
+ actual_size, size);
+ return -EIO;
+ }
+
+ if (response->msg != expected_response) {
+ drm_err(drm, "Unexpected response from device (expected %p4ch found %p4ch)\n",
+ &expected_response, &response->msg);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int appletbdrm_send_msg(struct appletbdrm_device *adev, u32 msg)
+{
+ struct appletbdrm_simple_request *request;
+ int ret;
+
+ request = kzalloc(sizeof(*request), GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ request->header.unk_00 = cpu_to_le16(2);
+ request->header.unk_02 = cpu_to_le16(0x1512);
+ request->header.size = cpu_to_le32(sizeof(*request) - sizeof(request->header));
+ request->msg = msg;
+ request->size = request->header.size;
+
+ ret = appletbdrm_send_request(adev, &request->header, sizeof(*request));
+
+ kfree(request);
+
+ return ret;
+}
+
+static int appletbdrm_clear_display(struct appletbdrm_device *adev)
+{
+ return appletbdrm_send_msg(adev, APPLETBDRM_MSG_CLEAR_DISPLAY);
+}
+
+static int appletbdrm_signal_readiness(struct appletbdrm_device *adev)
+{
+ return appletbdrm_send_msg(adev, APPLETBDRM_MSG_SIGNAL_READINESS);
+}
+
+static int appletbdrm_get_information(struct appletbdrm_device *adev)
+{
+ struct appletbdrm_information *info;
+ struct drm_device *drm = &adev->drm;
+ u8 bits_per_pixel;
+ u32 pixel_format;
+ int ret;
+
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ ret = appletbdrm_send_msg(adev, APPLETBDRM_MSG_GET_INFORMATION);
+ if (ret)
+ return ret;
+
+ ret = appletbdrm_read_response(adev, &info->header, sizeof(*info),
+ APPLETBDRM_MSG_GET_INFORMATION);
+ if (ret)
+ goto free_info;
+
+ bits_per_pixel = info->bits_per_pixel;
+ pixel_format = get_unaligned(&info->pixel_format);
+
+ adev->width = get_unaligned_le32(&info->width);
+ adev->height = get_unaligned_le32(&info->height);
+
+ if (bits_per_pixel != APPLETBDRM_BITS_PER_PIXEL) {
+ drm_err(drm, "Encountered unexpected bits per pixel value (%d)\n", bits_per_pixel);
+ ret = -EINVAL;
+ goto free_info;
+ }
+
+ if (pixel_format != APPLETBDRM_PIXEL_FORMAT) {
+ drm_err(drm, "Encountered unknown pixel format (%p4ch)\n", &pixel_format);
+ ret = -EINVAL;
+ goto free_info;
+ }
+
+free_info:
+ kfree(info);
+
+ return ret;
+}
+
+static u32 rect_size(struct drm_rect *rect)
+{
+ return drm_rect_width(rect) * drm_rect_height(rect) * (APPLETBDRM_BITS_PER_PIXEL / 8);
+}
+
+static int appletbdrm_flush_damage(struct appletbdrm_device *adev,
+ struct drm_plane_state *old_state,
+ struct drm_plane_state *state)
+{
+ struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(state);
+ struct appletbdrm_fb_request_response *response;
+ struct appletbdrm_fb_request_footer *footer;
+ struct drm_atomic_helper_damage_iter iter;
+ struct drm_framebuffer *fb = state->fb;
+ struct appletbdrm_fb_request *request;
+ struct drm_device *drm = &adev->drm;
+ struct appletbdrm_frame *frame;
+ u64 timestamp = ktime_get_ns();
+ struct drm_rect damage;
+ size_t frames_size = 0;
+ size_t request_size;
+ int ret;
+
+ drm_atomic_helper_damage_iter_init(&iter, old_state, state);
+ drm_atomic_for_each_plane_damage(&iter, &damage) {
+ frames_size += struct_size(frame, buf, rect_size(&damage));
+ }
+
+ if (!frames_size)
+ return 0;
+
+ request_size = ALIGN(sizeof(*request) + frames_size + sizeof(*footer), 16);
+
+ request = kzalloc(request_size, GFP_KERNEL);
+ if (!request)
+ return -ENOMEM;
+
+ response = kzalloc(sizeof(*response), GFP_KERNEL);
+ if (!response) {
+ ret = -ENOMEM;
+ goto free_request;
+ }
+
+ ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
+ if (ret) {
+ drm_err(drm, "Failed to start CPU framebuffer access (%pe)\n", ERR_PTR(ret));
+ goto free_response;
+ }
+
+ request->header.unk_00 = cpu_to_le16(2);
+ request->header.unk_02 = cpu_to_le16(0x12);
+ request->header.unk_04 = cpu_to_le32(9);
+ request->header.size = cpu_to_le32(request_size - sizeof(request->header));
+ request->unk_10 = cpu_to_le16(1);
+ request->msg_id = timestamp & 0xff;
+
+ frame = (struct appletbdrm_frame *)request->data;
+
+ drm_atomic_helper_damage_iter_init(&iter, old_state, state);
+ drm_atomic_for_each_plane_damage(&iter, &damage) {
+ struct iosys_map dst = IOSYS_MAP_INIT_VADDR(frame->buf);
+ u32 buf_size = rect_size(&damage);
+
+ /*
+ * The coordinates need to be translated to the coordinate
+ * system the device expects, see the comment in
+ * appletbdrm_setup_mode_config
+ */
+ frame->begin_x = cpu_to_le16(damage.y1);
+ frame->begin_y = cpu_to_le16(adev->height - damage.x2);
+ frame->width = cpu_to_le16(drm_rect_height(&damage));
+ frame->height = cpu_to_le16(drm_rect_width(&damage));
+ frame->buf_size = cpu_to_le32(buf_size);
+
+ ret = drm_fb_blit(&dst, NULL, DRM_FORMAT_BGR888,
+ &shadow_plane_state->data[0], fb, &damage, &shadow_plane_state->fmtcnv_state);
+ if (ret) {
+ drm_err(drm, "Failed to copy damage clip (%pe)\n", ERR_PTR(ret));
+ goto end_fb_cpu_access;
+ }
+
+ frame = (void *)frame + struct_size(frame, buf, buf_size);
+ }
+
+ footer = (struct appletbdrm_fb_request_footer *)&request->data[frames_size];
+
+ footer->unk_0c = cpu_to_le32(0xfffe);
+ footer->unk_1c = cpu_to_le32(0x80001);
+ footer->unk_34 = cpu_to_le32(0x80002);
+ footer->unk_4c = cpu_to_le32(0xffff);
+ footer->timestamp = cpu_to_le64(timestamp);
+
+ ret = appletbdrm_send_request(adev, &request->header, request_size);
+ if (ret)
+ goto end_fb_cpu_access;
+
+ ret = appletbdrm_read_response(adev, &response->header, sizeof(*response),
+ APPLETBDRM_MSG_UPDATE_COMPLETE);
+ if (ret)
+ goto end_fb_cpu_access;
+
+ if (response->timestamp != footer->timestamp) {
+ drm_err(drm, "Response timestamp (%llu) doesn't match request timestamp (%llu)\n",
+ le64_to_cpu(response->timestamp), timestamp);
+ goto end_fb_cpu_access;
+ }
+
+end_fb_cpu_access:
+ drm_gem_fb_end_cpu_access(fb, DMA_FROM_DEVICE);
+free_response:
+ kfree(response);
+free_request:
+ kfree(request);
+
+ return ret;
+}
+
+static int appletbdrm_connector_helper_get_modes(struct drm_connector *connector)
+{
+ struct appletbdrm_device *adev = drm_to_adev(connector->dev);
+
+ return drm_connector_helper_get_modes_fixed(connector, &adev->mode);
+}
+
+static enum drm_mode_status appletbdrm_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
+ const struct drm_display_mode *mode)
+{
+ struct drm_crtc *crtc = &pipe->crtc;
+ struct appletbdrm_device *adev = drm_to_adev(crtc->dev);
+
+ return drm_crtc_helper_mode_valid_fixed(crtc, mode, &adev->mode);
+}
+
+static void appletbdrm_pipe_disable(struct drm_simple_display_pipe *pipe)
+{
+ struct appletbdrm_device *adev = drm_to_adev(pipe->crtc.dev);
+ int idx;
+
+ if (!drm_dev_enter(&adev->drm, &idx))
+ return;
+
+ appletbdrm_clear_display(adev);
+
+ drm_dev_exit(idx);
+}
+
+static void appletbdrm_pipe_update(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *old_state)
+{
+ struct drm_crtc *crtc = &pipe->crtc;
+ struct appletbdrm_device *adev = drm_to_adev(crtc->dev);
+ int idx;
+
+ if (!crtc->state->active || !drm_dev_enter(&adev->drm, &idx))
+ return;
+
+ appletbdrm_flush_damage(adev, old_state, pipe->plane.state);
+
+ drm_dev_exit(idx);
+}
+
+static const u32 appletbdrm_formats[] = {
+ DRM_FORMAT_BGR888,
+ DRM_FORMAT_XRGB8888, /* emulated */
+};
+
+static const struct drm_mode_config_funcs appletbdrm_mode_config_funcs = {
+ .fb_create = drm_gem_fb_create_with_dirty,
+ .atomic_check = drm_atomic_helper_check,
+ .atomic_commit = drm_atomic_helper_commit,
+};
+
+static const struct drm_connector_funcs appletbdrm_connector_funcs = {
+ .reset = drm_atomic_helper_connector_reset,
+ .destroy = drm_connector_cleanup,
+ .fill_modes = drm_helper_probe_single_connector_modes,
+ .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+ .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+};
+
+static const struct drm_connector_helper_funcs appletbdrm_connector_helper_funcs = {
+ .get_modes = appletbdrm_connector_helper_get_modes,
+};
+
+static const struct drm_simple_display_pipe_funcs appletbdrm_pipe_funcs = {
+ DRM_GEM_SIMPLE_DISPLAY_PIPE_SHADOW_PLANE_FUNCS,
+ .update = appletbdrm_pipe_update,
+ .disable = appletbdrm_pipe_disable,
+ .mode_valid = appletbdrm_pipe_mode_valid,
+};
+
+DEFINE_DRM_GEM_FOPS(appletbdrm_drm_fops);
+
+static const struct drm_driver appletbdrm_drm_driver = {
+ DRM_GEM_SHMEM_DRIVER_OPS,
+ .name = "appletbdrm",
+ .desc = "Apple Touch Bar DRM Driver",
+ .date = "20230910",
+ .major = 1,
+ .minor = 0,
+ .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_ATOMIC,
+ .fops = &appletbdrm_drm_fops,
+};
+
+static int appletbdrm_setup_mode_config(struct appletbdrm_device *adev)
+{
+ struct drm_connector *connector = &adev->connector;
+ struct drm_device *drm = &adev->drm;
+ struct device *dev = adev->dev;
+ int ret;
+
+ ret = drmm_mode_config_init(drm);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to initialize mode configuration\n");
+
+ /*
+ * The coordinate system used by the device is different from the
+ * coordinate system of the framebuffer in that the x and y axes are
+ * swapped, and that the y axis is inverted; so what the device reports
+ * as the height is actually the width of the framebuffer and vice
+ * versa
+ */
+ drm->mode_config.min_width = 0;
+ drm->mode_config.min_height = 0;
+ drm->mode_config.max_width = max(adev->height, DRM_SHADOW_PLANE_MAX_WIDTH);
+ drm->mode_config.max_height = max(adev->width, DRM_SHADOW_PLANE_MAX_HEIGHT);
+ drm->mode_config.preferred_depth = APPLETBDRM_BITS_PER_PIXEL;
+ drm->mode_config.funcs = &appletbdrm_mode_config_funcs;
+
+ adev->mode = (struct drm_display_mode) {
+ DRM_MODE_INIT(60, adev->height, adev->width,
+ DRM_MODE_RES_MM(adev->height, 218),
+ DRM_MODE_RES_MM(adev->width, 218))
+ };
+
+ ret = drm_connector_init(drm, connector,
+ &appletbdrm_connector_funcs, DRM_MODE_CONNECTOR_USB);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to initialize connector\n");
+
+ drm_connector_helper_add(connector, &appletbdrm_connector_helper_funcs);
+
+ ret = drm_connector_set_panel_orientation(connector,
+ DRM_MODE_PANEL_ORIENTATION_RIGHT_UP);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to set panel orientation\n");
+
+ connector->display_info.non_desktop = true;
+ ret = drm_object_property_set_value(&connector->base,
+ drm->mode_config.non_desktop_property, true);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to set non-desktop property\n");
+
+ ret = drm_simple_display_pipe_init(drm, &adev->pipe, &appletbdrm_pipe_funcs,
+ appletbdrm_formats, ARRAY_SIZE(appletbdrm_formats),
+ NULL, &adev->connector);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to initialize simple display pipe\n");
+
+ drm_plane_enable_fb_damage_clips(&adev->pipe.plane);
+
+ drm_mode_config_reset(drm);
+
+ ret = drm_dev_register(drm, 0);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to register DRM device\n");
+
+ return 0;
+}
+
+static int appletbdrm_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_endpoint_descriptor *bulk_in, *bulk_out;
+ struct device *dev = &intf->dev;
+ struct appletbdrm_device *adev;
+ int ret;
+
+ ret = usb_find_common_endpoints(intf->cur_altsetting, &bulk_in, &bulk_out, NULL, NULL);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to find bulk endpoints\n");
+
+ adev = devm_drm_dev_alloc(dev, &appletbdrm_drm_driver, struct appletbdrm_device, drm);
+ if (IS_ERR(adev))
+ return PTR_ERR(adev);
+
+ adev->dev = dev;
+ adev->in_ep = bulk_in->bEndpointAddress;
+ adev->out_ep = bulk_out->bEndpointAddress;
+
+ usb_set_intfdata(intf, adev);
+
+ ret = appletbdrm_get_information(adev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to get display information\n");
+
+ ret = appletbdrm_signal_readiness(adev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to signal readiness\n");
+
+ ret = appletbdrm_clear_display(adev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to clear display\n");
+
+ return appletbdrm_setup_mode_config(adev);
+}
+
+static void appletbdrm_disconnect(struct usb_interface *intf)
+{
+ struct appletbdrm_device *adev = usb_get_intfdata(intf);
+ struct drm_device *drm = &adev->drm;
+
+ drm_dev_unplug(drm);
+ drm_atomic_helper_shutdown(drm);
+}
+
+static void appletbdrm_shutdown(struct usb_interface *intf)
+{
+ struct appletbdrm_device *adev = usb_get_intfdata(intf);
+
+ /*
+ * The framebuffer needs to be cleared on shutdown since its content
+ * persists across boots
+ */
+ drm_atomic_helper_shutdown(&adev->drm);
+}
+
+static const struct usb_device_id appletbdrm_usb_id_table[] = {
+ { USB_DEVICE_INTERFACE_CLASS(0x05ac, 0x8302, USB_CLASS_AUDIO_VIDEO) },
+ {}
+};
+MODULE_DEVICE_TABLE(usb, appletbdrm_usb_id_table);
+
+static struct usb_driver appletbdrm_usb_driver = {
+ .name = "appletbdrm",
+ .probe = appletbdrm_probe,
+ .disconnect = appletbdrm_disconnect,
+ .shutdown = appletbdrm_shutdown,
+ .id_table = appletbdrm_usb_id_table,
+};
+module_usb_driver(appletbdrm_usb_driver);
+
+MODULE_AUTHOR("Kerem Karabay <kekrby@gmail.com>");
+MODULE_DESCRIPTION("Apple Touch Bar DRM Driver");
+MODULE_LICENSE("GPL");