WebSVN – Kolibri OS – Blame – /drivers/include/drm/drm_fb_helper.h

Rev	Author	Line No.	Line
1408	serge	1	/*
		2	* Copyright (c) 2006-2009 Red Hat Inc.
		3	* Copyright (c) 2006-2008 Intel Corporation
		4	* Copyright (c) 2007 Dave Airlie
		5	*
		6	* DRM framebuffer helper functions
		7	*
		8	* Permission to use, copy, modify, distribute, and sell this software and its
		9	* documentation for any purpose is hereby granted without fee, provided that
		10	* the above copyright notice appear in all copies and that both that copyright
		11	* notice and this permission notice appear in supporting documentation, and
		12	* that the name of the copyright holders not be used in advertising or
		13	* publicity pertaining to distribution of the software without specific,
		14	* written prior permission. The copyright holders make no representations
		15	* about the suitability of this software for any purpose. It is provided "as
		16	* is" without express or implied warranty.
		17	*
		18	* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
		19	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
		20	* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
		21	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
		22	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
		23	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
		24	* OF THIS SOFTWARE.
		25	*
		26	* Authors:
		27	* Dave Airlie
		28	* Jesse Barnes
		29	*/
		30	#ifndef DRM_FB_HELPER_H
		31	#define DRM_FB_HELPER_H
		32
1964	serge	33	struct drm_fb_helper;
		34
		35
1408	serge	36	struct drm_fb_helper_crtc {
		37	struct drm_mode_set mode_set;
1964	serge	38	struct drm_display_mode *desired_mode;
1408	serge	39	};
		40
1964	serge	41	struct drm_fb_helper_surface_size {
		42	u32 fb_width;
		43	u32 fb_height;
		44	u32 surface_width;
		45	u32 surface_height;
		46	u32 surface_bpp;
		47	u32 surface_depth;
		48	};
1408	serge	49
3391	Serge	50	/**
		51	* struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library
3747	Serge	52	* @gamma_set: Set the given gamma lut register on the given crtc.
		53	* @gamma_get: Read the given gamma lut register on the given crtc, used to
3391	Serge	54	* save the current lut when force-restoring the fbdev for e.g.
		55	* kdbg.
3747	Serge	56	* @fb_probe: Driver callback to allocate and initialize the fbdev info
3391	Serge	57	* structure. Futhermore it also needs to allocate the drm
		58	* framebuffer used to back the fbdev.
3747	Serge	59	* @initial_config: Setup an initial fbdev display configuration
3391	Serge	60	*
		61	* Driver callbacks used by the fbdev emulation helper library.
		62	*/
1408	serge	63	struct drm_fb_helper_funcs {
		64	void (gamma_set)(struct drm_crtc crtc, u16 red, u16 green,
		65	u16 blue, int regno);
		66	void (gamma_get)(struct drm_crtc crtc, u16 red, u16 green,
		67	u16 *blue, int regno);
		68
1964	serge	69	int (fb_probe)(struct drm_fb_helper helper,
		70	struct drm_fb_helper_surface_size *sizes);
3747	Serge	71	bool (initial_config)(struct drm_fb_helper fb_helper,
		72	struct drm_fb_helper_crtc **crtcs,
		73	struct drm_display_mode **modes,
		74	bool *enabled, int width, int height);
1408	serge	75	};
		76
		77	struct drm_fb_helper_connector {
1964	serge	78	struct drm_connector *connector;
		79	struct drm_cmdline_mode cmdline_mode;
1408	serge	80	};
		81
		82	struct drm_fb_helper {
		83	struct drm_framebuffer *fb;
		84	struct drm_device *dev;
		85	int crtc_count;
		86	struct drm_fb_helper_crtc *crtc_info;
1964	serge	87	int connector_count;
		88	struct drm_fb_helper_connector **connector_info;
1408	serge	89	struct drm_fb_helper_funcs *funcs;
1964	serge	90	struct fb_info *fbdev;
		91	u32 pseudo_palette[17];
1408	serge	92	struct list_head kernel_fb_list;
1964	serge	93
		94	/* we got a hotplug but fbdev wasn't running the console
		95	delay until next set_par */
		96	bool delayed_hotplug;
1408	serge	97	};
		98
1964	serge	99	int drm_fb_helper_init(struct drm_device *dev,
		100	struct drm_fb_helper *helper, int crtc_count,
1408	serge	101	int max_conn);
1964	serge	102	void drm_fb_helper_fini(struct drm_fb_helper *helper);
1408	serge	103	int drm_fb_helper_blank(int blank, struct fb_info *info);
		104	int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
		105	struct fb_info *info);
		106	int drm_fb_helper_set_par(struct fb_info *info);
		107	int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
		108	struct fb_info *info);
		109
1964	serge	110	bool drm_fb_helper_restore_fbdev_mode(struct drm_fb_helper *fb_helper);
		111	void drm_fb_helper_fill_var(struct fb_info info, struct drm_fb_helper fb_helper,
1408	serge	112	uint32_t fb_width, uint32_t fb_height);
		113	void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
		114	uint32_t depth);
		115
		116	int drm_fb_helper_setcmap(struct fb_cmap cmap, struct fb_info info);
		117
1964	serge	118	int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
		119	bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
		120	int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
		121	int drm_fb_helper_debug_enter(struct fb_info *info);
		122	int drm_fb_helper_debug_leave(struct fb_info *info);
		123
1408	serge	124	#endif

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(root)/drivers/include/drm/drm_fb_helper.h – Rev 3747