Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 111 insertions, 0 deletions

diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h
new file mode 100644
index 000000000..b4cc7cc56
--- /dev/null
+++ b/drivers/gpu/drm/udl/udl_drv.h
@@ -0,0 +1,111 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 Red Hat
+ *
+ * based in parts on udlfb.c:
+ * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
+ * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
+ * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
+ */
+
+#ifndef UDL_DRV_H
+#define UDL_DRV_H
+
+#include <linux/mm_types.h>
+#include <linux/usb.h>
+
+#include <drm/drm_device.h>
+#include <drm/drm_framebuffer.h>
+#include <drm/drm_gem.h>
+#include <drm/drm_simple_kms_helper.h>
+
+struct drm_mode_create_dumb;
+
+#define DRIVER_NAME		"udl"
+#define DRIVER_DESC		"DisplayLink"
+#define DRIVER_DATE		"20120220"
+
+#define DRIVER_MAJOR		0
+#define DRIVER_MINOR		0
+#define DRIVER_PATCHLEVEL	1
+
+struct udl_device;
+
+struct urb_node {
+	struct list_head entry;
+	struct udl_device *dev;
+	struct urb *urb;
+};
+
+struct urb_list {
+	struct list_head list;
+	spinlock_t lock;
+	wait_queue_head_t sleep;
+	int available;
+	int count;
+	size_t size;
+};
+
+struct udl_device {
+	struct drm_device drm;
+	struct device *dev;
+	struct device *dmadev;
+
+	struct drm_simple_display_pipe display_pipe;
+
+	struct mutex gem_lock;
+
+	int sku_pixel_limit;
+
+	struct urb_list urbs;
+
+	char mode_buf[1024];
+	uint32_t mode_buf_len;
+};
+
+#define to_udl(x) container_of(x, struct udl_device, drm)
+
+static inline struct usb_device *udl_to_usb_device(struct udl_device *udl)
+{
+	return interface_to_usbdev(to_usb_interface(udl->drm.dev));
+}
+
+/* modeset */
+int udl_modeset_init(struct drm_device *dev);
+struct drm_connector *udl_connector_init(struct drm_device *dev);
+
+struct urb *udl_get_urb(struct drm_device *dev);
+
+int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len);
+void udl_sync_pending_urbs(struct drm_device *dev);
+void udl_urb_completion(struct urb *urb);
+
+int udl_init(struct udl_device *udl);
+
+int udl_render_hline(struct drm_device *dev, int log_bpp, struct urb **urb_ptr,
+		     const char *front, char **urb_buf_ptr,
+		     u32 byte_offset, u32 device_byte_offset, u32 byte_width);
+
+int udl_drop_usb(struct drm_device *dev);
+int udl_select_std_channel(struct udl_device *udl);
+
+#define CMD_WRITE_RAW8   "\xAF\x60" /**< 8 bit raw write command. */
+#define CMD_WRITE_RL8    "\xAF\x61" /**< 8 bit run length command. */
+#define CMD_WRITE_COPY8  "\xAF\x62" /**< 8 bit copy command. */
+#define CMD_WRITE_RLX8   "\xAF\x63" /**< 8 bit extended run length command. */
+
+#define CMD_WRITE_RAW16  "\xAF\x68" /**< 16 bit raw write command. */
+#define CMD_WRITE_RL16   "\xAF\x69" /**< 16 bit run length command. */
+#define CMD_WRITE_COPY16 "\xAF\x6A" /**< 16 bit copy command. */
+#define CMD_WRITE_RLX16  "\xAF\x6B" /**< 16 bit extended run length command. */
+
+/* On/Off for driving the DisplayLink framebuffer to the display */
+#define UDL_REG_BLANK_MODE		0x1f
+
+#define UDL_BLANK_MODE_ON		0x00 /* hsync and vsync on, visible */
+#define UDL_BLANK_MODE_BLANKED		0x01 /* hsync and vsync on, blanked */
+#define UDL_BLANK_MODE_VSYNC_OFF	0x03 /* vsync off, blanked */
+#define UDL_BLANK_MODE_HSYNC_OFF	0x05 /* hsync off, blanked */
+#define UDL_BLANK_MODE_POWERDOWN	0x07 /* powered off; requires modeset */
+
+#endif