c020c9a8ca
This makes it easier to see how this is working, and lets us transfer the EDID in blocks of 16 bytes. The primary reason for this change is because debug logs are rather hard to read with the hundreds of single-byte auxch transactions that occur. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/*
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* Copyright 2009 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NOUVEAU_I2C_H__
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#define __NOUVEAU_I2C_H__
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#include <linux/i2c.h>
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#include <linux/i2c-id.h>
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#include <linux/i2c-algo-bit.h>
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#include "drm_dp_helper.h"
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struct dcb_i2c_entry;
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struct nouveau_i2c_chan {
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struct i2c_adapter adapter;
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struct drm_device *dev;
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struct i2c_algo_bit_data bit;
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unsigned rd;
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unsigned wr;
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unsigned data;
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};
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int nouveau_i2c_init(struct drm_device *, struct dcb_i2c_entry *, int index);
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void nouveau_i2c_fini(struct drm_device *, struct dcb_i2c_entry *);
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struct nouveau_i2c_chan *nouveau_i2c_find(struct drm_device *, int index);
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bool nouveau_probe_i2c_addr(struct nouveau_i2c_chan *i2c, int addr);
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int nouveau_i2c_identify(struct drm_device *dev, const char *what,
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struct i2c_board_info *info, int index);
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extern const struct i2c_algorithm nouveau_dp_i2c_algo;
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#endif /* __NOUVEAU_I2C_H__ */
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