| Michael Lawnick | 7f52813 | 2010-08-11 18:21:03 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * pca954x.h - I2C multiplexer/switch support |
| 4 | * |
| 5 | * Copyright (c) 2008-2009 Rodolfo Giometti <giometti@linux.it> |
| 6 | * Copyright (c) 2008-2009 Eurotech S.p.A. <info@eurotech.it> |
| 7 | * Michael Lawnick <michael.lawnick.ext@nsn.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
| 24 | |
| 25 | #ifndef _LINUX_I2C_PCA954X_H |
| 26 | #define _LINUX_I2C_PCA954X_H |
| 27 | |
| 28 | /* Platform data for the PCA954x I2C multiplexers */ |
| 29 | |
| 30 | /* Per channel initialisation data: |
| 31 | * @adap_id: bus number for the adapter. 0 = don't care |
| 32 | * @deselect_on_exit: set this entry to 1, if your H/W needs deselection |
| 33 | * of this channel after transaction. |
| 34 | * |
| 35 | */ |
| 36 | struct pca954x_platform_mode { |
| 37 | int adap_id; |
| 38 | unsigned int deselect_on_exit:1; |
| 39 | }; |
| 40 | |
| 41 | /* Per mux/switch data, used with i2c_register_board_info */ |
| 42 | struct pca954x_platform_data { |
| 43 | struct pca954x_platform_mode *modes; |
| 44 | int num_modes; |
| 45 | }; |
| 46 | |
| 47 | #endif /* _LINUX_I2C_PCA954X_H */ |