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1 | /* |
2 | * Copyright 2009 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifndef __NOUVEAU_I2C_H__ | |
24 | #define __NOUVEAU_I2C_H__ | |
25 | ||
26 | #include <linux/i2c.h> | |
6ee73861 BS |
27 | #include <linux/i2c-algo-bit.h> |
28 | #include "drm_dp_helper.h" | |
29 | ||
30 | struct dcb_i2c_entry; | |
31 | ||
32 | struct nouveau_i2c_chan { | |
33 | struct i2c_adapter adapter; | |
34 | struct drm_device *dev; | |
c020c9a8 | 35 | struct i2c_algo_bit_data bit; |
6ee73861 BS |
36 | unsigned rd; |
37 | unsigned wr; | |
38 | unsigned data; | |
39 | }; | |
40 | ||
41 | int nouveau_i2c_init(struct drm_device *, struct dcb_i2c_entry *, int index); | |
42 | void nouveau_i2c_fini(struct drm_device *, struct dcb_i2c_entry *); | |
43 | struct nouveau_i2c_chan *nouveau_i2c_find(struct drm_device *, int index); | |
6d416d80 FJ |
44 | bool nouveau_probe_i2c_addr(struct nouveau_i2c_chan *i2c, int addr); |
45 | int nouveau_i2c_identify(struct drm_device *dev, const char *what, | |
46 | struct i2c_board_info *info, int index); | |
6ee73861 | 47 | |
c020c9a8 | 48 | extern const struct i2c_algorithm nouveau_dp_i2c_algo; |
6ee73861 BS |
49 | |
50 | #endif /* __NOUVEAU_I2C_H__ */ |