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531747b820
Put the header more in line with the rest. No functional changes. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/9f4dc21928f9cccd7a3593a2f9faa44b4412ff33.1556540889.git.jani.nikula@intel.com
141 lines
4.3 KiB
C
141 lines
4.3 KiB
C
/*
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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_DEV_H__
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#define __INTEL_DVO_DEV_H__
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#include <linux/i2c.h>
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#include <drm/drm_crtc.h>
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#include "i915_reg.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 */
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i915_reg_t dvo_reg;
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i915_reg_t dvo_srcdim_reg;
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/* 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.
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*/
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void (*dpms)(struct intel_dvo_device *dvo, bool enable);
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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);
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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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/*
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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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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;
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#endif /* __INTEL_DVO_DEV_H__ */
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