WebSVN – Kolibri OS – Blame – /drivers/video/drm/i915/dvo.h

Rev	Author	Line No.	Line
2330	Serge	1	/*
		2	* Copyright © 2006 Eric Anholt
		3	*
		4	* Permission to use, copy, modify, distribute, and sell this software and its
		5	* documentation for any purpose is hereby granted without fee, provided that
		6	* the above copyright notice appear in all copies and that both that copyright
		7	* notice and this permission notice appear in supporting documentation, and
		8	* that the name of the copyright holders not be used in advertising or
		9	* publicity pertaining to distribution of the software without specific,
		10	* written prior permission. The copyright holders make no representations
		11	* about the suitability of this software for any purpose. It is provided "as
		12	* is" without express or implied warranty.
		13	*
		14	* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
		15	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
		16	* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
		17	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
		18	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
		19	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
		20	* OF THIS SOFTWARE.
		21	*/
		22
		23	#ifndef _INTEL_DVO_H
		24	#define _INTEL_DVO_H
		25
		26	#include
		27	#include "drmP.h"
		28	#include "drm.h"
		29	#include "drm_crtc.h"
		30	#include "intel_drv.h"
		31
		32	struct intel_dvo_device {
		33	const char *name;
		34	int type;
		35	/* DVOA/B/C output register */
		36	u32 dvo_reg;
		37	/* GPIO register used for i2c bus to control this device */
		38	u32 gpio;
		39	int slave_addr;
		40
		41	const struct intel_dvo_dev_ops *dev_ops;
		42	void *dev_priv;
		43	struct i2c_adapter *i2c_bus;
		44	};
		45
		46	struct intel_dvo_dev_ops {
		47	/*
		48	* Initialize the device at startup time.
		49	* Returns NULL if the device does not exist.
		50	*/
		51	bool (init)(struct intel_dvo_device dvo,
		52	struct i2c_adapter *i2cbus);
		53
		54	/*
		55	* Called to allow the output a chance to create properties after the
		56	* RandR objects have been created.
		57	*/
		58	void (create_resources)(struct intel_dvo_device dvo);
		59
		60	/*
		61	* Turn on/off output or set intermediate power levels if available.
		62	*
		63	* Unsupported intermediate modes drop to the lower power setting.
		64	* If the mode is DPMSModeOff, the output must be disabled,
		65	* as the DPLL may be disabled afterwards.
		66	*/
		67	void (dpms)(struct intel_dvo_device dvo, int mode);
		68
		69	/*
		70	* Callback for testing a video mode for a given output.
		71	*
		72	* This function should only check for cases where a mode can't
		73	* be supported on the output specifically, and not represent
		74	* generic CRTC limitations.
		75	*
		76	* \return MODE_OK if the mode is valid, or another MODE_* otherwise.
		77	*/
		78	int (mode_valid)(struct intel_dvo_device dvo,
		79	struct drm_display_mode *mode);
		80
		81	/*
		82	* Callback to adjust the mode to be set in the CRTC.
		83	*
		84	* This allows an output to adjust the clock or even the entire set of
		85	* timings, which is used for panels with fixed timings or for
		86	* buses with clock limitations.
		87	*/
		88	bool (mode_fixup)(struct intel_dvo_device dvo,
		89	struct drm_display_mode *mode,
		90	struct drm_display_mode *adjusted_mode);
		91
		92	/*
		93	* Callback for preparing mode changes on an output
		94	*/
		95	void (prepare)(struct intel_dvo_device dvo);
		96
		97	/*
		98	* Callback for committing mode changes on an output
		99	*/
		100	void (commit)(struct intel_dvo_device dvo);
		101
		102	/*
		103	* Callback for setting up a video mode after fixups have been made.
		104	*
		105	* This is only called while the output is disabled. The dpms callback
		106	* must be all that's necessary for the output, to turn the output on
		107	* after this function is called.
		108	*/
		109	void (mode_set)(struct intel_dvo_device dvo,
		110	struct drm_display_mode *mode,
		111	struct drm_display_mode *adjusted_mode);
		112
		113	/*
		114	* Probe for a connected output, and return detect_status.
		115	*/
		116	enum drm_connector_status (detect)(struct intel_dvo_device dvo);
		117
		118	/**
		119	* Query the device for the modes it provides.
		120	*
		121	* This function may also update MonInfo, mm_width, and mm_height.
		122	*
		123	* \return singly-linked list of modes or NULL if no modes found.
		124	*/
		125	struct drm_display_mode (get_modes)(struct intel_dvo_device *dvo);
		126
		127	/**
		128	* Clean up driver-specific bits of the output
		129	*/
		130	void (destroy) (struct intel_dvo_device dvo);
		131
		132	/**
		133	* Debugging hook to dump device registers to log file
		134	*/
		135	void (dump_regs)(struct intel_dvo_device dvo);
		136	};
		137
		138	extern struct intel_dvo_dev_ops sil164_ops;
		139	extern struct intel_dvo_dev_ops ch7xxx_ops;
		140	extern struct intel_dvo_dev_ops ivch_ops;
		141	extern struct intel_dvo_dev_ops tfp410_ops;
		142	extern struct intel_dvo_dev_ops ch7017_ops;
		143
		144	#endif /* _INTEL_DVO_H */

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(root)/drivers/video/drm/i915/dvo.h @ 6084 – Rev 2330