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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
3031	serge	27	#include
		28	#include
2330	Serge	29	#include "intel_drv.h"
		30
		31	struct intel_dvo_device {
		32	const char *name;
		33	int type;
		34	/* DVOA/B/C output register */
		35	u32 dvo_reg;
		36	/* GPIO register used for i2c bus to control this device */
		37	u32 gpio;
		38	int slave_addr;
		39
		40	const struct intel_dvo_dev_ops *dev_ops;
		41	void *dev_priv;
		42	struct i2c_adapter *i2c_bus;
		43	};
		44
		45	struct intel_dvo_dev_ops {
		46	/*
		47	* Initialize the device at startup time.
		48	* Returns NULL if the device does not exist.
		49	*/
		50	bool (init)(struct intel_dvo_device dvo,
		51	struct i2c_adapter *i2cbus);
		52
		53	/*
		54	* Called to allow the output a chance to create properties after the
		55	* RandR objects have been created.
		56	*/
		57	void (create_resources)(struct intel_dvo_device dvo);
		58
		59	/*
3031	serge	60	* Turn on/off output.
2330	Serge	61	*
3031	serge	62	* Because none of our dvo drivers support an intermediate power levels,
		63	* we don't expose this in the interfac.
2330	Serge	64	*/
3031	serge	65	void (dpms)(struct intel_dvo_device dvo, bool enable);
2330	Serge	66
		67	/*
		68	* Callback for testing a video mode for a given output.
		69	*
		70	* This function should only check for cases where a mode can't
		71	* be supported on the output specifically, and not represent
		72	* generic CRTC limitations.
		73	*
		74	* \return MODE_OK if the mode is valid, or another MODE_* otherwise.
		75	*/
		76	int (mode_valid)(struct intel_dvo_device dvo,
		77	struct drm_display_mode *mode);
		78
		79	/*
		80	* Callback to adjust the mode to be set in the CRTC.
		81	*
		82	* This allows an output to adjust the clock or even the entire set of
		83	* timings, which is used for panels with fixed timings or for
		84	* buses with clock limitations.
		85	*/
		86	bool (mode_fixup)(struct intel_dvo_device dvo,
3031	serge	87	const struct drm_display_mode *mode,
2330	Serge	88	struct drm_display_mode *adjusted_mode);
		89
		90	/*
		91	* Callback for preparing mode changes on an output
		92	*/
		93	void (prepare)(struct intel_dvo_device dvo);
		94
		95	/*
		96	* Callback for committing mode changes on an output
		97	*/
		98	void (commit)(struct intel_dvo_device dvo);
		99
		100	/*
		101	* Callback for setting up a video mode after fixups have been made.
		102	*
		103	* This is only called while the output is disabled. The dpms callback
		104	* must be all that's necessary for the output, to turn the output on
		105	* after this function is called.
		106	*/
		107	void (mode_set)(struct intel_dvo_device dvo,
		108	struct drm_display_mode *mode,
		109	struct drm_display_mode *adjusted_mode);
		110
		111	/*
		112	* Probe for a connected output, and return detect_status.
		113	*/
		114	enum drm_connector_status (detect)(struct intel_dvo_device dvo);
		115
3031	serge	116	/*
		117	* Probe the current hw status, returning true if the connected output
		118	* is active.
		119	*/
		120	bool (get_hw_state)(struct intel_dvo_device dev);
		121
2330	Serge	122	/**
		123	* Query the device for the modes it provides.
		124	*
		125	* This function may also update MonInfo, mm_width, and mm_height.
		126	*
		127	* \return singly-linked list of modes or NULL if no modes found.
		128	*/
		129	struct drm_display_mode (get_modes)(struct intel_dvo_device *dvo);
		130
		131	/**
		132	* Clean up driver-specific bits of the output
		133	*/
		134	void (destroy) (struct intel_dvo_device dvo);
		135
		136	/**
		137	* Debugging hook to dump device registers to log file
		138	*/
		139	void (dump_regs)(struct intel_dvo_device dvo);
		140	};
		141
		142	extern struct intel_dvo_dev_ops sil164_ops;
		143	extern struct intel_dvo_dev_ops ch7xxx_ops;
		144	extern struct intel_dvo_dev_ops ivch_ops;
		145	extern struct intel_dvo_dev_ops tfp410_ops;
		146	extern struct intel_dvo_dev_ops ch7017_ops;
3031	serge	147	extern struct intel_dvo_dev_ops ns2501_ops;
2330	Serge	148
		149	#endif /* _INTEL_DVO_H */

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(root)/drivers/video/drm/i915/dvo.h @ 6084 – Rev 3031