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
5056	serge	35	#include
1964	serge	36
5270	serge	37	struct drm_fb_offset {
		38	int x, y;
		39	};
		40
1408	serge	41	struct drm_fb_helper_crtc {
		42	struct drm_mode_set mode_set;
1964	serge	43	struct drm_display_mode *desired_mode;
5270	serge	44	int x, y;
1408	serge	45	};
		46
1964	serge	47	struct drm_fb_helper_surface_size {
		48	u32 fb_width;
		49	u32 fb_height;
		50	u32 surface_width;
		51	u32 surface_height;
		52	u32 surface_bpp;
		53	u32 surface_depth;
		54	};
1408	serge	55
3391	Serge	56	/**
		57	* struct drm_fb_helper_funcs - driver callbacks for the fbdev emulation library
3747	Serge	58	* @gamma_set: Set the given gamma lut register on the given crtc.
		59	* @gamma_get: Read the given gamma lut register on the given crtc, used to
3391	Serge	60	* save the current lut when force-restoring the fbdev for e.g.
		61	* kdbg.
3747	Serge	62	* @fb_probe: Driver callback to allocate and initialize the fbdev info
5056	serge	63	* structure. Furthermore it also needs to allocate the drm
3391	Serge	64	* framebuffer used to back the fbdev.
3747	Serge	65	* @initial_config: Setup an initial fbdev display configuration
3391	Serge	66	*
		67	* Driver callbacks used by the fbdev emulation helper library.
		68	*/
1408	serge	69	struct drm_fb_helper_funcs {
		70	void (gamma_set)(struct drm_crtc crtc, u16 red, u16 green,
		71	u16 blue, int regno);
		72	void (gamma_get)(struct drm_crtc crtc, u16 red, u16 green,
		73	u16 *blue, int regno);
		74
1964	serge	75	int (fb_probe)(struct drm_fb_helper helper,
		76	struct drm_fb_helper_surface_size *sizes);
3747	Serge	77	bool (initial_config)(struct drm_fb_helper fb_helper,
		78	struct drm_fb_helper_crtc **crtcs,
		79	struct drm_display_mode **modes,
5270	serge	80	struct drm_fb_offset *offsets,
3747	Serge	81	bool *enabled, int width, int height);
1408	serge	82	};
		83
		84	struct drm_fb_helper_connector {
1964	serge	85	struct drm_connector *connector;
1408	serge	86	};
		87
		88	struct drm_fb_helper {
		89	struct drm_framebuffer *fb;
		90	struct drm_device *dev;
		91	int crtc_count;
		92	struct drm_fb_helper_crtc *crtc_info;
1964	serge	93	int connector_count;
5056	serge	94	int connector_info_alloc_count;
1964	serge	95	struct drm_fb_helper_connector **connector_info;
5056	serge	96	const struct drm_fb_helper_funcs *funcs;
1964	serge	97	struct fb_info *fbdev;
		98	u32 pseudo_palette[17];
1408	serge	99	struct list_head kernel_fb_list;
1964	serge	100
		101	/* we got a hotplug but fbdev wasn't running the console
		102	delay until next set_par */
		103	bool delayed_hotplug;
1408	serge	104	};
		105
5056	serge	106	void drm_fb_helper_prepare(struct drm_device dev, struct drm_fb_helper helper,
		107	const struct drm_fb_helper_funcs *funcs);
1964	serge	108	int drm_fb_helper_init(struct drm_device *dev,
		109	struct drm_fb_helper *helper, int crtc_count,
1408	serge	110	int max_conn);
1964	serge	111	void drm_fb_helper_fini(struct drm_fb_helper *helper);
1408	serge	112	int drm_fb_helper_blank(int blank, struct fb_info *info);
		113	int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
		114	struct fb_info *info);
		115	int drm_fb_helper_set_par(struct fb_info *info);
		116	int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
		117	struct fb_info *info);
		118
5056	serge	119	bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper);
1964	serge	120	void drm_fb_helper_fill_var(struct fb_info info, struct drm_fb_helper fb_helper,
1408	serge	121	uint32_t fb_width, uint32_t fb_height);
		122	void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
		123	uint32_t depth);
		124
		125	int drm_fb_helper_setcmap(struct fb_cmap cmap, struct fb_info info);
		126
1964	serge	127	int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
		128	bool drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel);
		129	int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper);
		130	int drm_fb_helper_debug_enter(struct fb_info *info);
		131	int drm_fb_helper_debug_leave(struct fb_info *info);
5056	serge	132	struct drm_display_mode *
		133	drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector,
		134	int width, int height);
		135	struct drm_display_mode *
		136	drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
		137	int width, int height);
1964	serge	138
5056	serge	139	int drm_fb_helper_add_one_connector(struct drm_fb_helper fb_helper, struct drm_connector connector);
		140	int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
		141	struct drm_connector *connector);
1408	serge	142	#endif

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(root)/drivers/include/drm/drm_fb_helper.h – Rev 5270