Blame - drivers/gpu/drm/udl/udl_drv.h - kernel/msm-4.19

blob: 96820d03a30394a9e6b5eb8c42e528b5459ff931 [file] [log] [blame]

Dave Airlie	5320918	2010-12-15 07:14:24 +1000	[diff] [blame]	1	/*
				2	* Copyright (C) 2012 Red Hat
				3	*
				4	* based in parts on udlfb.c:
				5	* Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
				6	* Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
				7	* Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
				8	*
				9	* This file is subject to the terms and conditions of the GNU General Public
				10	* License v2. See the file COPYING in the main directory of this archive for
				11	* more details.
				12	*/
				13
				14	#ifndef UDL_DRV_H
				15	#define UDL_DRV_H
				16
				17	#include <linux/usb.h>
				18
				19	#define DRIVER_NAME "udl"
				20	#define DRIVER_DESC "DisplayLink"
				21	#define DRIVER_DATE "20120220"
				22
				23	#define DRIVER_MAJOR 0
				24	#define DRIVER_MINOR 0
				25	#define DRIVER_PATCHLEVEL 1
				26
				27	struct udl_device;
				28
				29	struct urb_node {
				30	struct list_head entry;
				31	struct udl_device *dev;
				32	struct delayed_work release_urb_work;
				33	struct urb *urb;
				34	};
				35
				36	struct urb_list {
				37	struct list_head list;
				38	spinlock_t lock;
				39	struct semaphore limit_sem;
				40	int available;
				41	int count;
				42	size_t size;
				43	};
				44
				45	struct udl_fbdev;
				46
				47	struct udl_device {
				48	struct device *dev;
				49	struct drm_device *ddev;
				50
				51	int sku_pixel_limit;
				52
				53	struct urb_list urbs;
				54	atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */
				55
				56	struct udl_fbdev *fbdev;
				57	char mode_buf[1024];
				58	uint32_t mode_buf_len;
				59	atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */
				60	atomic_t bytes_identical; /* saved effort with backbuffer comparison */
				61	atomic_t bytes_sent; /* to usb, after compression including overhead */
				62	atomic_t cpu_kcycles_used; /* transpired during pixel processing */
				63	};
				64
				65	struct udl_gem_object {
				66	struct drm_gem_object base;
				67	struct page **pages;
				68	void *vmapping;
				69	};
				70
				71	#define to_udl_bo(x) container_of(x, struct udl_gem_object, base)
				72
				73	struct udl_framebuffer {
				74	struct drm_framebuffer base;
				75	struct udl_gem_object *obj;
				76	bool active_16; /* active on the 16-bit channel */
				77	};
				78
				79	#define to_udl_fb(x) container_of(x, struct udl_framebuffer, base)
				80
				81	/* modeset */
				82	int udl_modeset_init(struct drm_device *dev);
				83	void udl_modeset_cleanup(struct drm_device *dev);
				84	int udl_connector_init(struct drm_device dev, struct drm_encoder encoder);
				85
				86	struct drm_encoder udl_encoder_init(struct drm_device dev);
				87
				88	struct urb udl_get_urb(struct drm_device dev);
				89
				90	int udl_submit_urb(struct drm_device dev, struct urb urb, size_t len);
				91	void udl_urb_completion(struct urb *urb);
				92
				93	int udl_driver_load(struct drm_device *dev, unsigned long flags);
				94	int udl_driver_unload(struct drm_device *dev);
				95
				96	int udl_fbdev_init(struct drm_device *dev);
				97	void udl_fbdev_cleanup(struct drm_device *dev);
				98	void udl_fbdev_unplug(struct drm_device *dev);
				99	struct drm_framebuffer *
				100	udl_fb_user_fb_create(struct drm_device *dev,
				101	struct drm_file *file,
				102	struct drm_mode_fb_cmd2 *mode_cmd);
				103
				104	int udl_render_hline(struct drm_device dev, int bpp, struct urb *urb_ptr,
				105	const char front, char *urb_buf_ptr,
				106	u32 byte_offset, u32 byte_width,
				107	int ident_ptr, int sent_ptr);
				108
				109	int udl_dumb_create(struct drm_file *file_priv,
				110	struct drm_device *dev,
				111	struct drm_mode_create_dumb *args);
				112	int udl_gem_mmap(struct drm_file file_priv, struct drm_device dev,
				113	uint32_t handle, uint64_t *offset);
				114	int udl_dumb_destroy(struct drm_file file_priv, struct drm_device dev,
				115	uint32_t handle);
				116
				117	int udl_gem_init_object(struct drm_gem_object *obj);
				118	void udl_gem_free_object(struct drm_gem_object *gem_obj);
				119	struct udl_gem_object udl_gem_alloc_object(struct drm_device dev,
				120	size_t size);
				121
				122	int udl_gem_vmap(struct udl_gem_object *obj);
				123	void udl_gem_vunmap(struct udl_gem_object *obj);
Konstantin Khlebnikov	fa9e855	2012-03-31 13:29:25 +0400	[diff] [blame^]	124	int udl_drm_gem_mmap(struct file filp, struct vm_area_struct vma);
Dave Airlie	5320918	2010-12-15 07:14:24 +1000	[diff] [blame]	125	int udl_gem_fault(struct vm_area_struct vma, struct vm_fault vmf);
				126
				127	int udl_handle_damage(struct udl_framebuffer *fb, int x, int y,
				128	int width, int height);
				129
				130	int udl_drop_usb(struct drm_device *dev);
				131
				132	#define CMD_WRITE_RAW8 "\xAF\x60" /*< 8 bit raw write command. /
				133	#define CMD_WRITE_RL8 "\xAF\x61" /*< 8 bit run length command. /
				134	#define CMD_WRITE_COPY8 "\xAF\x62" /*< 8 bit copy command. /
				135	#define CMD_WRITE_RLX8 "\xAF\x63" /*< 8 bit extended run length command. /
				136
				137	#define CMD_WRITE_RAW16 "\xAF\x68" /*< 16 bit raw write command. /
				138	#define CMD_WRITE_RL16 "\xAF\x69" /*< 16 bit run length command. /
				139	#define CMD_WRITE_COPY16 "\xAF\x6A" /*< 16 bit copy command. /
				140	#define CMD_WRITE_RLX16 "\xAF\x6B" /*< 16 bit extended run length command. /
				141
				142	#endif