WebSVN – Kolibri OS – Diff – /drivers/include/drm/drm_crtc_helper.h


/*
 * Copyright © 2006 Keith Packard
 * Copyright © 2007-2008 Dave Airlie
 * Copyright © 2007-2008 Intel Corporation
 *   Jesse Barnes 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
 
/*
 * The DRM mode setting helper functions are common code for drivers to use if
 * they wish.  Drivers are not forced to use this code in their
 * implementations but it would be useful if they code they do use at least
 * provides a consistent interface and operation to userspace
 */
 
#ifndef __DRM_CRTC_HELPER_H__
#define __DRM_CRTC_HELPER_H__
 
#include 
#include 
#include 
 
#include 
 
enum mode_set_atomic {
	LEAVE_ATOMIC_MODE_SET,
	ENTER_ATOMIC_MODE_SET,
};
 
/**
 * drm_crtc_helper_funcs - helper operations for CRTCs
 * @mode_fixup: try to fixup proposed mode for this connector
 * @mode_set: set this mode
 *
 * The helper operations are called by the mid-layer CRTC helper.
 */
struct drm_crtc_helper_funcs {
	/*
	 * Control power levels on the CRTC.  If the mode passed in is
	 * unsupported, the provider must use the next lowest power level.
	 */
	void (*dpms)(struct drm_crtc *crtc, int mode);
	void (*prepare)(struct drm_crtc *crtc);
	void (*commit)(struct drm_crtc *crtc);
 
	/* Provider can fixup or change mode timings before modeset occurs */
	bool (*mode_fixup)(struct drm_crtc *crtc,
			   const struct drm_display_mode *mode,
			   struct drm_display_mode *adjusted_mode);
	/* Actually set the mode */
	int (*mode_set)(struct drm_crtc *crtc, struct drm_display_mode *mode,
			struct drm_display_mode *adjusted_mode, int x, int y,
			struct drm_framebuffer *old_fb);
 
	/* Move the crtc on the current fb to the given position *optional* */
	int (*mode_set_base)(struct drm_crtc *crtc, int x, int y,
			     struct drm_framebuffer *old_fb);
	int (*mode_set_base_atomic)(struct drm_crtc *crtc,
				    struct drm_framebuffer *fb, int x, int y,
				    enum mode_set_atomic);
 
	/* reload the current crtc LUT */
	void (*load_lut)(struct drm_crtc *crtc);
 
	/* disable crtc when not in use - more explicit than dpms off */
	void (*disable)(struct drm_crtc *crtc);
};
 
/**
 * drm_encoder_helper_funcs - helper operations for encoders
 * @mode_fixup: try to fixup proposed mode for this connector
 * @mode_set: set this mode
 *
 * The helper operations are called by the mid-layer CRTC helper.
 */
struct drm_encoder_helper_funcs {
	void (*dpms)(struct drm_encoder *encoder, int mode);
	void (*save)(struct drm_encoder *encoder);
	void (*restore)(struct drm_encoder *encoder);
 
	bool (*mode_fixup)(struct drm_encoder *encoder,
			   const struct drm_display_mode *mode,
			   struct drm_display_mode *adjusted_mode);
	void (*prepare)(struct drm_encoder *encoder);
	void (*commit)(struct drm_encoder *encoder);
	void (*mode_set)(struct drm_encoder *encoder,
			 struct drm_display_mode *mode,
			 struct drm_display_mode *adjusted_mode);
	struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder);
	/* detect for DAC style encoders */
	enum drm_connector_status (*detect)(struct drm_encoder *encoder,
					    struct drm_connector *connector);
	/* disable encoder when not in use - more explicit than dpms off */
	void (*disable)(struct drm_encoder *encoder);
};
 
/**
 * drm_connector_helper_funcs - helper operations for connectors
 * @get_modes: get mode list for this connector
 * @mode_valid (optional): is this mode valid on the given connector?
 *
 * The helper operations are called by the mid-layer CRTC helper.
 */
struct drm_connector_helper_funcs {
	int (*get_modes)(struct drm_connector *connector);
	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
			  struct drm_display_mode *mode);
	struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
};
 
 
extern void drm_helper_disable_unused_functions(struct drm_device *dev);
extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
				     struct drm_display_mode *mode,
				     int x, int y,
				     struct drm_framebuffer *old_fb);
extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
 
extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
 
extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
 
extern void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
					  struct drm_mode_fb_cmd2 *mode_cmd);
 
static inline void drm_crtc_helper_add(struct drm_crtc *crtc,
				       const struct drm_crtc_helper_funcs *funcs)
{
	crtc->helper_private = (void *)funcs;
}
 
static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
					  const struct drm_encoder_helper_funcs *funcs)
{
	encoder->helper_private = (void *)funcs;
}
 
static inline void drm_connector_helper_add(struct drm_connector *connector,
					    const struct drm_connector_helper_funcs *funcs)
{
	connector->helper_private = (void *)funcs;
}
 
extern void drm_helper_resume_force_mode(struct drm_device *dev);
 
/* drm_probe_helper.c */
extern int drm_helper_probe_single_connector_modes(struct drm_connector
						   *connector, uint32_t maxX,
						   uint32_t maxY);
extern int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector
							   *connector,
							   uint32_t maxX,
							   uint32_t maxY);
extern void drm_kms_helper_poll_init(struct drm_device *dev);
extern void drm_kms_helper_poll_fini(struct drm_device *dev);
extern bool drm_helper_hpd_irq_event(struct drm_device *dev);
extern void drm_kms_helper_hotplug_event(struct drm_device *dev);
 
extern void drm_kms_helper_poll_disable(struct drm_device *dev);
extern void drm_kms_helper_poll_enable(struct drm_device *dev);
 
#endif

Subversion Repositories Kolibri OS

(root)/drivers/include/drm/drm_crtc_helper.h – Rev 4559 → 5056

Rev 4559		Rev 5056
1	/*	1	/*
2	* Copyright © 2006 Keith Packard	2	* Copyright © 2006 Keith Packard
3	* Copyright © 2007-2008 Dave Airlie	3	* Copyright © 2007-2008 Dave Airlie
4	* Copyright © 2007-2008 Intel Corporation	4	* Copyright © 2007-2008 Intel Corporation
5	* Jesse Barnes	5	* Jesse Barnes
6	*	6	*
7	* Permission is hereby granted, free of charge, to any person obtaining a	7	* Permission is hereby granted, free of charge, to any person obtaining a
8	* copy of this software and associated documentation files (the "Software"),	8	* copy of this software and associated documentation files (the "Software"),
9	* to deal in the Software without restriction, including without limitation	9	* to deal in the Software without restriction, including without limitation
10	* the rights to use, copy, modify, merge, publish, distribute, sublicense,	10	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
11	* and/or sell copies of the Software, and to permit persons to whom the	11	* and/or sell copies of the Software, and to permit persons to whom the
12	* Software is furnished to do so, subject to the following conditions:	12	* Software is furnished to do so, subject to the following conditions:
13	*	13	*
14	* The above copyright notice and this permission notice shall be included in	14	* The above copyright notice and this permission notice shall be included in
15	* all copies or substantial portions of the Software.	15	* all copies or substantial portions of the Software.
16	*	16	*
17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,	18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR	20	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,	21	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR	22	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23	* OTHER DEALINGS IN THE SOFTWARE.	23	* OTHER DEALINGS IN THE SOFTWARE.
24	*/	24	*/
25		25
26	/*	26	/*
27	* The DRM mode setting helper functions are common code for drivers to use if	27	* The DRM mode setting helper functions are common code for drivers to use if
28	* they wish. Drivers are not forced to use this code in their	28	* they wish. Drivers are not forced to use this code in their
29	* implementations but it would be useful if they code they do use at least	29	* implementations but it would be useful if they code they do use at least
30	* provides a consistent interface and operation to userspace	30	* provides a consistent interface and operation to userspace
31	*/	31	*/
32		32
33	#ifndef __DRM_CRTC_HELPER_H__	33	#ifndef __DRM_CRTC_HELPER_H__
34	#define __DRM_CRTC_HELPER_H__	34	#define __DRM_CRTC_HELPER_H__
35		35
36	#include	36	#include
37	#include	37	#include
38	#include	38	#include
39		39
40	#include	40	#include
41		41
42	enum mode_set_atomic {	42	enum mode_set_atomic {
43	LEAVE_ATOMIC_MODE_SET,	43	LEAVE_ATOMIC_MODE_SET,
44	ENTER_ATOMIC_MODE_SET,	44	ENTER_ATOMIC_MODE_SET,
45	};	45	};
46		46
47	/**	47	/**
48	* drm_crtc_helper_funcs - helper operations for CRTCs	48	* drm_crtc_helper_funcs - helper operations for CRTCs
49	* @mode_fixup: try to fixup proposed mode for this connector	49	* @mode_fixup: try to fixup proposed mode for this connector
50	* @mode_set: set this mode	50	* @mode_set: set this mode
51	*	51	*
52	* The helper operations are called by the mid-layer CRTC helper.	52	* The helper operations are called by the mid-layer CRTC helper.
53	*/	53	*/
54	struct drm_crtc_helper_funcs {	54	struct drm_crtc_helper_funcs {
55	/*	55	/*
56	* Control power levels on the CRTC. If the mode passed in is	56	* Control power levels on the CRTC. If the mode passed in is
57	* unsupported, the provider must use the next lowest power level.	57	* unsupported, the provider must use the next lowest power level.
58	*/	58	*/
59	void (dpms)(struct drm_crtc crtc, int mode);	59	void (dpms)(struct drm_crtc crtc, int mode);
60	void (prepare)(struct drm_crtc crtc);	60	void (prepare)(struct drm_crtc crtc);
61	void (commit)(struct drm_crtc crtc);	61	void (commit)(struct drm_crtc crtc);
62		62
63	/* Provider can fixup or change mode timings before modeset occurs */	63	/* Provider can fixup or change mode timings before modeset occurs */
64	bool (mode_fixup)(struct drm_crtc crtc,	64	bool (mode_fixup)(struct drm_crtc crtc,
65	const struct drm_display_mode *mode,	65	const struct drm_display_mode *mode,
66	struct drm_display_mode *adjusted_mode);	66	struct drm_display_mode *adjusted_mode);
67	/* Actually set the mode */	67	/* Actually set the mode */
68	int (mode_set)(struct drm_crtc crtc, struct drm_display_mode *mode,	68	int (mode_set)(struct drm_crtc crtc, struct drm_display_mode *mode,
69	struct drm_display_mode *adjusted_mode, int x, int y,	69	struct drm_display_mode *adjusted_mode, int x, int y,
70	struct drm_framebuffer *old_fb);	70	struct drm_framebuffer *old_fb);
71		71
72	/* Move the crtc on the current fb to the given position optional */	72	/* Move the crtc on the current fb to the given position optional */
73	int (mode_set_base)(struct drm_crtc crtc, int x, int y,	73	int (mode_set_base)(struct drm_crtc crtc, int x, int y,
74	struct drm_framebuffer *old_fb);	74	struct drm_framebuffer *old_fb);
75	int (mode_set_base_atomic)(struct drm_crtc crtc,	75	int (mode_set_base_atomic)(struct drm_crtc crtc,
76	struct drm_framebuffer *fb, int x, int y,	76	struct drm_framebuffer *fb, int x, int y,
77	enum mode_set_atomic);	77	enum mode_set_atomic);
78		78
79	/* reload the current crtc LUT */	79	/* reload the current crtc LUT */
80	void (load_lut)(struct drm_crtc crtc);	80	void (load_lut)(struct drm_crtc crtc);
81		81
82	/* disable crtc when not in use - more explicit than dpms off */	82	/* disable crtc when not in use - more explicit than dpms off */
83	void (disable)(struct drm_crtc crtc);	83	void (disable)(struct drm_crtc crtc);
84	};	84	};
85		85
86	/**	86	/**
87	* drm_encoder_helper_funcs - helper operations for encoders	87	* drm_encoder_helper_funcs - helper operations for encoders
88	* @mode_fixup: try to fixup proposed mode for this connector	88	* @mode_fixup: try to fixup proposed mode for this connector
89	* @mode_set: set this mode	89	* @mode_set: set this mode
90	*	90	*
91	* The helper operations are called by the mid-layer CRTC helper.	91	* The helper operations are called by the mid-layer CRTC helper.
92	*/	92	*/
93	struct drm_encoder_helper_funcs {	93	struct drm_encoder_helper_funcs {
94	void (dpms)(struct drm_encoder encoder, int mode);	94	void (dpms)(struct drm_encoder encoder, int mode);
95	void (save)(struct drm_encoder encoder);	95	void (save)(struct drm_encoder encoder);
96	void (restore)(struct drm_encoder encoder);	96	void (restore)(struct drm_encoder encoder);
97		97
98	bool (mode_fixup)(struct drm_encoder encoder,	98	bool (mode_fixup)(struct drm_encoder encoder,
99	const struct drm_display_mode *mode,	99	const struct drm_display_mode *mode,
100	struct drm_display_mode *adjusted_mode);	100	struct drm_display_mode *adjusted_mode);
101	void (prepare)(struct drm_encoder encoder);	101	void (prepare)(struct drm_encoder encoder);
102	void (commit)(struct drm_encoder encoder);	102	void (commit)(struct drm_encoder encoder);
103	void (mode_set)(struct drm_encoder encoder,	103	void (mode_set)(struct drm_encoder encoder,
104	struct drm_display_mode *mode,	104	struct drm_display_mode *mode,
105	struct drm_display_mode *adjusted_mode);	105	struct drm_display_mode *adjusted_mode);
106	struct drm_crtc (get_crtc)(struct drm_encoder *encoder);	106	struct drm_crtc (get_crtc)(struct drm_encoder *encoder);
107	/* detect for DAC style encoders */	107	/* detect for DAC style encoders */
108	enum drm_connector_status (detect)(struct drm_encoder encoder,	108	enum drm_connector_status (detect)(struct drm_encoder encoder,
109	struct drm_connector *connector);	109	struct drm_connector *connector);
110	/* disable encoder when not in use - more explicit than dpms off */	110	/* disable encoder when not in use - more explicit than dpms off */
111	void (disable)(struct drm_encoder encoder);	111	void (disable)(struct drm_encoder encoder);
112	};	112	};
113		113
114	/**	114	/**
115	* drm_connector_helper_funcs - helper operations for connectors	115	* drm_connector_helper_funcs - helper operations for connectors
116	* @get_modes: get mode list for this connector	116	* @get_modes: get mode list for this connector
117	* @mode_valid: is this mode valid on the given connector?	117	* @mode_valid (optional): is this mode valid on the given connector?
118	*	118	*
119	* The helper operations are called by the mid-layer CRTC helper.	119	* The helper operations are called by the mid-layer CRTC helper.
120	*/	120	*/
121	struct drm_connector_helper_funcs {	121	struct drm_connector_helper_funcs {
122	int (get_modes)(struct drm_connector connector);	122	int (get_modes)(struct drm_connector connector);
123	enum drm_mode_status (mode_valid)(struct drm_connector connector,	123	enum drm_mode_status (mode_valid)(struct drm_connector connector,
124	struct drm_display_mode *mode);	124	struct drm_display_mode *mode);
125	struct drm_encoder (best_encoder)(struct drm_connector *connector);	125	struct drm_encoder (best_encoder)(struct drm_connector *connector);
126	};	126	};
127		-
128	extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);	127
129	extern void drm_helper_disable_unused_functions(struct drm_device *dev);	128	extern void drm_helper_disable_unused_functions(struct drm_device *dev);
130	extern int drm_crtc_helper_set_config(struct drm_mode_set *set);	129	extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
131	extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,	130	extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
132	struct drm_display_mode *mode,	131	struct drm_display_mode *mode,
133	int x, int y,	132	int x, int y,
134	struct drm_framebuffer *old_fb);	133	struct drm_framebuffer *old_fb);
135	extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);	134	extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
136	extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);	135	extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
137		136
138	extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);	137	extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
139		138
140	extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);	139	extern void drm_helper_move_panel_connectors_to_head(struct drm_device *);
141		140
142	extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,	141	extern void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
143	struct drm_mode_fb_cmd2 *mode_cmd);	142	struct drm_mode_fb_cmd2 *mode_cmd);
144		143
145	static inline void drm_crtc_helper_add(struct drm_crtc *crtc,	144	static inline void drm_crtc_helper_add(struct drm_crtc *crtc,
146	const struct drm_crtc_helper_funcs *funcs)	145	const struct drm_crtc_helper_funcs *funcs)
147	{	146	{
148	crtc->helper_private = (void *)funcs;	147	crtc->helper_private = (void *)funcs;
149	}	148	}
150		149
151	static inline void drm_encoder_helper_add(struct drm_encoder *encoder,	150	static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
152	const struct drm_encoder_helper_funcs *funcs)	151	const struct drm_encoder_helper_funcs *funcs)
153	{	152	{
154	encoder->helper_private = (void *)funcs;	153	encoder->helper_private = (void *)funcs;
155	}	154	}
156		155
157	static inline void drm_connector_helper_add(struct drm_connector *connector,	156	static inline void drm_connector_helper_add(struct drm_connector *connector,
158	const struct drm_connector_helper_funcs *funcs)	157	const struct drm_connector_helper_funcs *funcs)
159	{	158	{
160	connector->helper_private = (void *)funcs;	159	connector->helper_private = (void *)funcs;
161	}	160	}
162		161
-		162	extern void drm_helper_resume_force_mode(struct drm_device *dev);
-		163
-		164	/* drm_probe_helper.c */
-		165	extern int drm_helper_probe_single_connector_modes(struct drm_connector
-		166	*connector, uint32_t maxX,
-		167	uint32_t maxY);
-		168	extern int drm_helper_probe_single_connector_modes_nomerge(struct drm_connector
-		169	*connector,
-		170	uint32_t maxX,
163	extern int drm_helper_resume_force_mode(struct drm_device *dev);	171	uint32_t maxY);
164	extern void drm_kms_helper_poll_init(struct drm_device *dev);	172	extern void drm_kms_helper_poll_init(struct drm_device *dev);
165	extern void drm_kms_helper_poll_fini(struct drm_device *dev);	173	extern void drm_kms_helper_poll_fini(struct drm_device *dev);
166	extern bool drm_helper_hpd_irq_event(struct drm_device *dev);	174	extern bool drm_helper_hpd_irq_event(struct drm_device *dev);
167	extern void drm_kms_helper_hotplug_event(struct drm_device *dev);	175	extern void drm_kms_helper_hotplug_event(struct drm_device *dev);
168		176
169	extern void drm_kms_helper_poll_disable(struct drm_device *dev);	177	extern void drm_kms_helper_poll_disable(struct drm_device *dev);
170	extern void drm_kms_helper_poll_enable(struct drm_device *dev);	178	extern void drm_kms_helper_poll_enable(struct drm_device *dev);
171		179
172	#endif	180	#endif