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,
};
 
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,
			   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);
};
 
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,
			   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);
};
 
struct drm_connector_helper_funcs {
	int (*get_modes)(struct drm_connector *connector);
	int (*mode_valid)(struct drm_connector *connector,
			  struct drm_display_mode *mode);
	struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
};
 
extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
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 int 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 int drm_helper_resume_force_mode(struct drm_device *dev);
extern void drm_kms_helper_poll_init(struct drm_device *dev);
extern void drm_kms_helper_poll_fini(struct drm_device *dev);
extern void drm_helper_hpd_irq_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);
 
extern int drm_format_num_planes(uint32_t format);
 
#endif

Subversion Repositories Kolibri OS

(root)/drivers/include/drm/drm_crtc_helper.h – Rev 1964 → 2967

Rev 1964		Rev 2967
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	struct drm_crtc_helper_funcs {	47	struct drm_crtc_helper_funcs {
48	/*	48	/*
49	* Control power levels on the CRTC. If the mode passed in is	49	* Control power levels on the CRTC. If the mode passed in is
50	* unsupported, the provider must use the next lowest power level.	50	* unsupported, the provider must use the next lowest power level.
51	*/	51	*/
52	void (dpms)(struct drm_crtc crtc, int mode);	52	void (dpms)(struct drm_crtc crtc, int mode);
53	void (prepare)(struct drm_crtc crtc);	53	void (prepare)(struct drm_crtc crtc);
54	void (commit)(struct drm_crtc crtc);	54	void (commit)(struct drm_crtc crtc);
55		55
56	/* Provider can fixup or change mode timings before modeset occurs */	56	/* Provider can fixup or change mode timings before modeset occurs */
57	bool (mode_fixup)(struct drm_crtc crtc,	57	bool (mode_fixup)(struct drm_crtc crtc,
58	struct drm_display_mode *mode,	58	struct drm_display_mode *mode,
59	struct drm_display_mode *adjusted_mode);	59	struct drm_display_mode *adjusted_mode);
60	/* Actually set the mode */	60	/* Actually set the mode */
61	int (mode_set)(struct drm_crtc crtc, struct drm_display_mode *mode,	61	int (mode_set)(struct drm_crtc crtc, struct drm_display_mode *mode,
62	struct drm_display_mode *adjusted_mode, int x, int y,	62	struct drm_display_mode *adjusted_mode, int x, int y,
63	struct drm_framebuffer *old_fb);	63	struct drm_framebuffer *old_fb);
64		64
65	/* Move the crtc on the current fb to the given position optional */	65	/* Move the crtc on the current fb to the given position optional */
66	int (mode_set_base)(struct drm_crtc crtc, int x, int y,	66	int (mode_set_base)(struct drm_crtc crtc, int x, int y,
67	struct drm_framebuffer *old_fb);	67	struct drm_framebuffer *old_fb);
68	int (mode_set_base_atomic)(struct drm_crtc crtc,	68	int (mode_set_base_atomic)(struct drm_crtc crtc,
69	struct drm_framebuffer *fb, int x, int y,	69	struct drm_framebuffer *fb, int x, int y,
70	enum mode_set_atomic);	70	enum mode_set_atomic);
71		71
72	/* reload the current crtc LUT */	72	/* reload the current crtc LUT */
73	void (load_lut)(struct drm_crtc crtc);	73	void (load_lut)(struct drm_crtc crtc);
74		74
75	/* disable crtc when not in use - more explicit than dpms off */	75	/* disable crtc when not in use - more explicit than dpms off */
76	void (disable)(struct drm_crtc crtc);	76	void (disable)(struct drm_crtc crtc);
77	};	77	};
78		78
79	struct drm_encoder_helper_funcs {	79	struct drm_encoder_helper_funcs {
80	void (dpms)(struct drm_encoder encoder, int mode);	80	void (dpms)(struct drm_encoder encoder, int mode);
81	void (save)(struct drm_encoder encoder);	81	void (save)(struct drm_encoder encoder);
82	void (restore)(struct drm_encoder encoder);	82	void (restore)(struct drm_encoder encoder);
83		83
84	bool (mode_fixup)(struct drm_encoder encoder,	84	bool (mode_fixup)(struct drm_encoder encoder,
85	struct drm_display_mode *mode,	85	struct drm_display_mode *mode,
86	struct drm_display_mode *adjusted_mode);	86	struct drm_display_mode *adjusted_mode);
87	void (prepare)(struct drm_encoder encoder);	87	void (prepare)(struct drm_encoder encoder);
88	void (commit)(struct drm_encoder encoder);	88	void (commit)(struct drm_encoder encoder);
89	void (mode_set)(struct drm_encoder encoder,	89	void (mode_set)(struct drm_encoder encoder,
90	struct drm_display_mode *mode,	90	struct drm_display_mode *mode,
91	struct drm_display_mode *adjusted_mode);	91	struct drm_display_mode *adjusted_mode);
92	struct drm_crtc (get_crtc)(struct drm_encoder *encoder);	92	struct drm_crtc (get_crtc)(struct drm_encoder *encoder);
93	/* detect for DAC style encoders */	93	/* detect for DAC style encoders */
94	enum drm_connector_status (detect)(struct drm_encoder encoder,	94	enum drm_connector_status (detect)(struct drm_encoder encoder,
95	struct drm_connector *connector);	95	struct drm_connector *connector);
96	/* disable encoder when not in use - more explicit than dpms off */	96	/* disable encoder when not in use - more explicit than dpms off */
97	void (disable)(struct drm_encoder encoder);	97	void (disable)(struct drm_encoder encoder);
98	};	98	};
99		99
100	struct drm_connector_helper_funcs {	100	struct drm_connector_helper_funcs {
101	int (get_modes)(struct drm_connector connector);	101	int (get_modes)(struct drm_connector connector);
102	int (mode_valid)(struct drm_connector connector,	102	int (mode_valid)(struct drm_connector connector,
103	struct drm_display_mode *mode);	103	struct drm_display_mode *mode);
104	struct drm_encoder (best_encoder)(struct drm_connector *connector);	104	struct drm_encoder (best_encoder)(struct drm_connector *connector);
105	};	105	};
106		106
107	extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);	107	extern int drm_helper_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY);
108	extern void drm_helper_disable_unused_functions(struct drm_device *dev);	108	extern void drm_helper_disable_unused_functions(struct drm_device *dev);
109	extern int drm_crtc_helper_set_config(struct drm_mode_set *set);	109	extern int drm_crtc_helper_set_config(struct drm_mode_set *set);
110	extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,	110	extern bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
111	struct drm_display_mode *mode,	111	struct drm_display_mode *mode,
112	int x, int y,	112	int x, int y,
113	struct drm_framebuffer *old_fb);	113	struct drm_framebuffer *old_fb);
114	extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);	114	extern bool drm_helper_crtc_in_use(struct drm_crtc *crtc);
115	extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);	115	extern bool drm_helper_encoder_in_use(struct drm_encoder *encoder);
116		116
117	extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);	117	extern void drm_helper_connector_dpms(struct drm_connector *connector, int mode);
118		118
119	extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,	119	extern int drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
120	struct drm_mode_fb_cmd *mode_cmd);	120	struct drm_mode_fb_cmd2 *mode_cmd);
121		121
122	static inline void drm_crtc_helper_add(struct drm_crtc *crtc,	122	static inline void drm_crtc_helper_add(struct drm_crtc *crtc,
123	const struct drm_crtc_helper_funcs *funcs)	123	const struct drm_crtc_helper_funcs *funcs)
124	{	124	{
125	crtc->helper_private = (void *)funcs;	125	crtc->helper_private = (void *)funcs;
126	}	126	}
127		127
128	static inline void drm_encoder_helper_add(struct drm_encoder *encoder,	128	static inline void drm_encoder_helper_add(struct drm_encoder *encoder,
129	const struct drm_encoder_helper_funcs *funcs)	129	const struct drm_encoder_helper_funcs *funcs)
130	{	130	{
131	encoder->helper_private = (void *)funcs;	131	encoder->helper_private = (void *)funcs;
132	}	132	}
133		133
134	static inline void drm_connector_helper_add(struct drm_connector *connector,	134	static inline void drm_connector_helper_add(struct drm_connector *connector,
135	const struct drm_connector_helper_funcs *funcs)	135	const struct drm_connector_helper_funcs *funcs)
136	{	136	{
137	connector->helper_private = (void *)funcs;	137	connector->helper_private = (void *)funcs;
138	}	138	}
139		139
140	extern int drm_helper_resume_force_mode(struct drm_device *dev);	140	extern int drm_helper_resume_force_mode(struct drm_device *dev);
141	extern void drm_kms_helper_poll_init(struct drm_device *dev);	141	extern void drm_kms_helper_poll_init(struct drm_device *dev);
142	extern void drm_kms_helper_poll_fini(struct drm_device *dev);	142	extern void drm_kms_helper_poll_fini(struct drm_device *dev);
143	extern void drm_helper_hpd_irq_event(struct drm_device *dev);	143	extern void drm_helper_hpd_irq_event(struct drm_device *dev);
144		144
145	extern void drm_kms_helper_poll_disable(struct drm_device *dev);	145	extern void drm_kms_helper_poll_disable(struct drm_device *dev);
146	extern void drm_kms_helper_poll_enable(struct drm_device *dev);	146	extern void drm_kms_helper_poll_enable(struct drm_device *dev);
-		147
-		148	extern int drm_format_num_planes(uint32_t format);
-		149
147	#endif	150	#endif