linux/drivers/gpu/drm/gud/gud_internal.h

/* SPDX-License-Identifier: MIT */

#ifndef __LINUX_GUD_INTERNAL_H
#define __LINUX_GUD_INTERNAL_H

#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/scatterlist.h>
#include <linux/usb.h>
#include <linux/workqueue.h>
#include <uapi/drm/drm_fourcc.h>

#include <drm/drm_modes.h>
#include <drm/drm_simple_kms_helper.h>

struct gud_device { … };

static inline struct gud_device *to_gud_device(struct drm_device *drm)
{ … }

static inline struct usb_device *gud_to_usb_device(struct gud_device *gdrm)
{ … }

int gud_usb_get(struct gud_device *gdrm, u8 request, u16 index, void *buf, size_t len);
int gud_usb_set(struct gud_device *gdrm, u8 request, u16 index, void *buf, size_t len);
int gud_usb_get_u8(struct gud_device *gdrm, u8 request, u16 index, u8 *val);
int gud_usb_set_u8(struct gud_device *gdrm, u8 request, u8 val);

void gud_clear_damage(struct gud_device *gdrm);
void gud_flush_work(struct work_struct *work);
int gud_pipe_check(struct drm_simple_display_pipe *pipe,
		   struct drm_plane_state *new_plane_state,
		   struct drm_crtc_state *new_crtc_state);
void gud_pipe_update(struct drm_simple_display_pipe *pipe,
		     struct drm_plane_state *old_state);
int gud_connector_fill_properties(struct drm_connector_state *connector_state,
				  struct gud_property_req *properties);
int gud_get_connectors(struct gud_device *gdrm);

/* Driver internal fourcc transfer formats */
#define GUD_DRM_FORMAT_R1 …
#define GUD_DRM_FORMAT_XRGB1111 …

static inline u8 gud_from_fourcc(u32 fourcc)
{ … }

static inline u32 gud_to_fourcc(u8 format)
{ … }

static inline void gud_from_display_mode(struct gud_display_mode_req *dst,
					 const struct drm_display_mode *src)
{ … }

static inline void gud_to_display_mode(struct drm_display_mode *dst,
				       const struct gud_display_mode_req *src)
{ … }

#endif