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2330 Serge 1 
/*
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 * Copyright © 2006 Eric Anholt
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 *
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 * Permission to use, copy, modify, distribute, and sell this software and its
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 * documentation for any purpose is hereby granted without fee, provided that
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 * the above copyright notice appear in all copies and that both that copyright
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 * notice and this permission notice appear in supporting documentation, and
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 * that the name of the copyright holders not be used in advertising or
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 * publicity pertaining to distribution of the software without specific,
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 * written prior permission.  The copyright holders make no representations
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 * about the suitability of this software for any purpose.  It is provided "as
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 * is" without express or implied warranty.
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 *
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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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 * OF THIS SOFTWARE.
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 */
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#ifndef _INTEL_DVO_H
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#define _INTEL_DVO_H
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#include
3031 serge 27 
#include
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#include
2330 Serge 29 
#include "intel_drv.h"
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struct intel_dvo_device {
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	const char *name;
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	int type;
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	/* DVOA/B/C output register */
6937 serge 35 
	i915_reg_t dvo_reg;
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	i915_reg_t dvo_srcdim_reg;
2330 Serge 37 
	/* GPIO register used for i2c bus to control this device */
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	u32 gpio;
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	int slave_addr;
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	const struct intel_dvo_dev_ops *dev_ops;
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	void *dev_priv;
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	struct i2c_adapter *i2c_bus;
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};
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struct intel_dvo_dev_ops {
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	/*
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	 * Initialize the device at startup time.
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	 * Returns NULL if the device does not exist.
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	 */
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	bool (*init)(struct intel_dvo_device *dvo,
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		     struct i2c_adapter *i2cbus);
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	/*
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	 * Called to allow the output a chance to create properties after the
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	 * RandR objects have been created.
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	 */
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	void (*create_resources)(struct intel_dvo_device *dvo);
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	/*
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	 * Turn on/off output.
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	 *
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	 * Because none of our dvo drivers support an intermediate power levels,
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	 * we don't expose this in the interfac.
2330 Serge 65 
	 */
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	void (*dpms)(struct intel_dvo_device *dvo, bool enable);
2330 Serge 67 
 
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	/*
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	 * Callback for testing a video mode for a given output.
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	 *
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	 * This function should only check for cases where a mode can't
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	 * be supported on the output specifically, and not represent
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	 * generic CRTC limitations.
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	 *
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	 * \return MODE_OK if the mode is valid, or another MODE_* otherwise.
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	 */
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	int (*mode_valid)(struct intel_dvo_device *dvo,
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			  struct drm_display_mode *mode);
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	/*
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	 * Callback for preparing mode changes on an output
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	 */
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	void (*prepare)(struct intel_dvo_device *dvo);
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	/*
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	 * Callback for committing mode changes on an output
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	 */
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	void (*commit)(struct intel_dvo_device *dvo);
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	/*
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	 * Callback for setting up a video mode after fixups have been made.
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	 *
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	 * This is only called while the output is disabled.  The dpms callback
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	 * must be all that's necessary for the output, to turn the output on
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	 * after this function is called.
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	 */
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	void (*mode_set)(struct intel_dvo_device *dvo,
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			 const struct drm_display_mode *mode,
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			 const struct drm_display_mode *adjusted_mode);
2330 Serge 100 
 
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	/*
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	 * Probe for a connected output, and return detect_status.
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	 */
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	enum drm_connector_status (*detect)(struct intel_dvo_device *dvo);
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3031 serge 106 
	/*
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	 * Probe the current hw status, returning true if the connected output
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	 * is active.
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	 */
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	bool (*get_hw_state)(struct intel_dvo_device *dev);
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	/**
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	 * Query the device for the modes it provides.
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	 *
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	 * This function may also update MonInfo, mm_width, and mm_height.
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	 *
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	 * \return singly-linked list of modes or NULL if no modes found.
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	 */
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	struct drm_display_mode *(*get_modes)(struct intel_dvo_device *dvo);
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	/**
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	 * Clean up driver-specific bits of the output
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	 */
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	void (*destroy) (struct intel_dvo_device *dvo);
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	/**
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	 * Debugging hook to dump device registers to log file
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	 */
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	void (*dump_regs)(struct intel_dvo_device *dvo);
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};
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6937 serge 132 
extern const struct intel_dvo_dev_ops sil164_ops;
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extern const struct intel_dvo_dev_ops ch7xxx_ops;
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extern const struct intel_dvo_dev_ops ivch_ops;
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extern const struct intel_dvo_dev_ops tfp410_ops;
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extern const struct intel_dvo_dev_ops ch7017_ops;
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extern const struct intel_dvo_dev_ops ns2501_ops;
2330 Serge 138 
 
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#endif /* _INTEL_DVO_H */