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| 1 //------------------------------------------------------------------------------ |
| 2 // <copyright file="gpio_api.h" company="Atheros"> |
| 3 // Copyright (c) 2004-2008 Atheros Corporation. All rights reserved. |
| 4 // |
| 5 // This program is free software; you can redistribute it and/or modify |
| 6 // it under the terms of the GNU General Public License version 2 as |
| 7 // published by the Free Software Foundation; |
| 8 // |
| 9 // Software distributed under the License is distributed on an "AS |
| 10 // IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or |
| 11 // implied. See the License for the specific language governing |
| 12 // rights and limitations under the License. |
| 13 // |
| 14 // |
| 15 //------------------------------------------------------------------------------ |
| 16 //============================================================================== |
| 17 // Host-side General Purpose I/O API. |
| 18 // |
| 19 // Author(s): ="Atheros" |
| 20 //============================================================================== |
| 21 #ifndef _GPIO_API_H_ |
| 22 #define _GPIO_API_H_ |
| 23 |
| 24 /* |
| 25 * Send a command to the Target in order to change output on GPIO pins. |
| 26 */ |
| 27 A_STATUS wmi_gpio_output_set(struct wmi_t *wmip, |
| 28 A_UINT32 set_mask, |
| 29 A_UINT32 clear_mask, |
| 30 A_UINT32 enable_mask, |
| 31 A_UINT32 disable_mask); |
| 32 |
| 33 /* |
| 34 * Send a command to the Target requesting input state of GPIO pins. |
| 35 */ |
| 36 A_STATUS wmi_gpio_input_get(struct wmi_t *wmip); |
| 37 |
| 38 /* |
| 39 * Send a command to the Target to change the value of a GPIO register. |
| 40 */ |
| 41 A_STATUS wmi_gpio_register_set(struct wmi_t *wmip, |
| 42 A_UINT32 gpioreg_id, |
| 43 A_UINT32 value); |
| 44 |
| 45 /* |
| 46 * Send a command to the Target to fetch the value of a GPIO register. |
| 47 */ |
| 48 A_STATUS wmi_gpio_register_get(struct wmi_t *wmip, A_UINT32 gpioreg_id); |
| 49 |
| 50 /* |
| 51 * Send a command to the Target, acknowledging some GPIO interrupts. |
| 52 */ |
| 53 A_STATUS wmi_gpio_intr_ack(struct wmi_t *wmip, A_UINT32 ack_mask); |
| 54 |
| 55 #endif /* _GPIO_API_H_ */ |
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