| Simon Glass | 84a97c5 | 2011-11-28 15:04:38 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2011 The Chromium OS Authors. |
| 3 | * See file CREDITS for list of people who contributed to this |
| 4 | * project. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License as |
| 8 | * published by the Free Software Foundation; either version 2 of |
| 9 | * the License, or (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 19 | * MA 02111-1307 USA |
| 20 | */ |
| 21 | |
| 22 | /* Tegra2 high-level function multiplexing */ |
| 23 | |
| 24 | #ifndef __FUNCMUX_H |
| 25 | #define __FUNCMUX_H |
| 26 | |
| 27 | /** |
| 28 | * Select a config for a particular peripheral. |
| 29 | * |
| 30 | * Each peripheral can operate through a number of configurations, |
| 31 | * which are sets of pins that it uses to bring out its signals. |
| 32 | * The basic config is 0, and higher numbers indicate different |
| 33 | * pinmux settings to bring the peripheral out on other pins, |
| 34 | * |
| 35 | * @param id Peripheral id |
| 36 | * @param config Configuration to use (generally 0) |
| 37 | * @return 0 if ok, -1 on error (e.g. incorrect id or config) |
| 38 | */ |
| 39 | int funcmux_select(enum periph_id id, int config); |
| 40 | |
| 41 | #endif |