| Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 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> |
| 27 | #include <linux/i2c-id.h> |
| 28 | #include <linux/i2c-algo-bit.h> |
| 29 | #include "drm_dp_helper.h" |
| 30 | |
| 31 | struct dcb_i2c_entry; |
| 32 | |
| 33 | struct nouveau_i2c_chan { |
| 34 | struct i2c_adapter adapter; |
| 35 | struct drm_device *dev; |
| 36 | union { |
| 37 | struct i2c_algo_bit_data bit; |
| 38 | struct i2c_algo_dp_aux_data dp; |
| 39 | } algo; |
| 40 | unsigned rd; |
| 41 | unsigned wr; |
| 42 | unsigned data; |
| 43 | }; |
| 44 | |
| 45 | int nouveau_i2c_init(struct drm_device *, struct dcb_i2c_entry *, int index); |
| 46 | void nouveau_i2c_fini(struct drm_device *, struct dcb_i2c_entry *); |
| 47 | struct nouveau_i2c_chan *nouveau_i2c_find(struct drm_device *, int index); |
| 48 | |
| 49 | int nouveau_dp_i2c_aux_ch(struct i2c_adapter *, int mode, uint8_t write_byte, |
| 50 | uint8_t *read_byte); |
| 51 | |
| 52 | #endif /* __NOUVEAU_I2C_H__ */ |