137 lines
4.4 KiB
C
137 lines
4.4 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 I2C_VID_H
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#define I2C_VID_H
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#include <randrstr.h>
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typedef struct _I830I2CVidOutputRec {
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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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void *(*init)(I2CBusPtr b, I2CSlaveAddr addr);
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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
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(*create_resources)(I2CDevPtr d);
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/**
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* Turns the output on/off, or sets intermediate power levels if available.
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*
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* Unsupported intermediate modes drop to the lower power setting. If the
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* mode is DPMSModeOff, the output must be disabled, as the DPLL may be
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* disabled afterwards.
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*/
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void (*dpms)(I2CDevPtr d, int mode);
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/**
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* Saves the output's state for restoration on VT switch.
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*/
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void (*save)(I2CDevPtr d);
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/**
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* Restore's the output's state at VT switch.
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*/
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void (*restore)(I2CDevPtr d);
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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 be supported
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* on the output specifically, and not represent 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)(I2CDevPtr d, DisplayModePtr mode);
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/**
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* Callback to adjust the mode to be set in the CRTC.
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*
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* This allows an output to adjust the clock or even the entire set of
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* timings, which is used for panels with fixed timings or for
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* buses with clock limitations.
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*/
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Bool (*mode_fixup)(I2CDevPtr d, DisplayModePtr mode, DisplayModePtr adjusted_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)(I2CDevPtr d);
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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)(I2CDevPtr d);
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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)(I2CDevPtr d, DisplayModePtr mode, DisplayModePtr 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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xf86OutputStatus (*detect)(I2CDevPtr d);
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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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DisplayModePtr
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(*get_modes)(I2CDevPtr d);
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#ifdef RANDR_12_INTERFACE
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/**
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* Callback when an output's property has changed.
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*/
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Bool
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(*set_property)(I2CDevPtr d, Atom property, RRPropertyValuePtr value);
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#endif
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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) (I2CDevPtr d);
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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)(I2CDevPtr d);
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} I830I2CVidOutputRec, *I830I2CVidOutputPtr;
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/* XXX change this name to avoid driver-specific prefix */
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DisplayModePtr
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i830_dvo_get_current_mode (xf86OutputPtr output);
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#endif
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