| Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 Google, Inc. |
| 3 | * Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved. |
| 4 | * Author: Mike Lockwood <lockwood@android.com> |
| 5 | * |
| 6 | * This software is licensed under the terms of the GNU General Public |
| 7 | * License version 2, as published by the Free Software Foundation, and |
| 8 | * may be copied, distributed, and modified under those terms. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | */ |
| 16 | #ifndef __ASM_ARCH_MSM_GPIO_TLMM_V1_H |
| 17 | #define __ASM_ARCH_MSM_GPIO_TLMM_V1_H |
| 18 | |
| 19 | /* GPIO TLMM (Top Level Multiplexing) Definitions */ |
| 20 | |
| 21 | /* GPIO TLMM: Function -- GPIO specific */ |
| 22 | |
| 23 | /* GPIO TLMM: Direction */ |
| 24 | enum { |
| 25 | GPIO_CFG_INPUT, |
| 26 | GPIO_CFG_OUTPUT, |
| 27 | }; |
| 28 | |
| 29 | /* GPIO TLMM: Pullup/Pulldown */ |
| 30 | enum { |
| 31 | GPIO_CFG_NO_PULL, |
| 32 | GPIO_CFG_PULL_DOWN, |
| 33 | GPIO_CFG_KEEPER, |
| 34 | GPIO_CFG_PULL_UP, |
| 35 | }; |
| 36 | |
| 37 | /* GPIO TLMM: Drive Strength */ |
| 38 | enum { |
| 39 | GPIO_CFG_2MA, |
| 40 | GPIO_CFG_4MA, |
| 41 | GPIO_CFG_6MA, |
| 42 | GPIO_CFG_8MA, |
| 43 | GPIO_CFG_10MA, |
| 44 | GPIO_CFG_12MA, |
| 45 | GPIO_CFG_14MA, |
| 46 | GPIO_CFG_16MA, |
| 47 | }; |
| 48 | |
| 49 | enum { |
| 50 | GPIO_CFG_ENABLE, |
| 51 | GPIO_CFG_DISABLE, |
| 52 | }; |
| 53 | |
| 54 | #define GPIO_CFG(gpio, func, dir, pull, drvstr) \ |
| 55 | ((((gpio) & 0x3FF) << 4) | \ |
| 56 | ((func) & 0xf) | \ |
| 57 | (((dir) & 0x1) << 14) | \ |
| 58 | (((pull) & 0x3) << 15) | \ |
| 59 | (((drvstr) & 0xF) << 17)) |
| 60 | |
| 61 | /** |
| 62 | * extract GPIO pin from bit-field used for gpio_tlmm_config |
| 63 | */ |
| 64 | #define GPIO_PIN(gpio_cfg) (((gpio_cfg) >> 4) & 0x3ff) |
| 65 | #define GPIO_FUNC(gpio_cfg) (((gpio_cfg) >> 0) & 0xf) |
| 66 | #define GPIO_DIR(gpio_cfg) (((gpio_cfg) >> 14) & 0x1) |
| 67 | #define GPIO_PULL(gpio_cfg) (((gpio_cfg) >> 15) & 0x3) |
| 68 | #define GPIO_DRVSTR(gpio_cfg) (((gpio_cfg) >> 17) & 0xf) |
| 69 | |
| 70 | int gpio_tlmm_config(unsigned config, unsigned disable); |
| 71 | |
| 72 | #endif |