drivers/staging/ath6kl/include/gpio_api.h

   1 //------------------------------------------------------------------------------
   2 // <copyright file="gpio_api.h" company="Atheros">
   3 //    Copyright (c) 2004-2010 Atheros Corporation.  All rights reserved.
   4 //
   5 //
   6 // Permission to use, copy, modify, and/or distribute this software for any
   7 // purpose with or without fee is hereby granted, provided that the above
   8 // copyright notice and this permission notice appear in all copies.
   9 //
  10 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13 // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17 //
  18 //
  19 //------------------------------------------------------------------------------
  20 //==============================================================================
  21 // Host-side General Purpose I/O API.
  22 //
  23 // Author(s): ="Atheros"
  24 //==============================================================================
  25 #ifndef _GPIO_API_H_
  26 #define _GPIO_API_H_
  27
  28 /*
  29  * Send a command to the Target in order to change output on GPIO pins.
  30  */
  31 int wmi_gpio_output_set(struct wmi_t *wmip,
  32                              A_UINT32 set_mask,
  33                              A_UINT32 clear_mask,
  34                              A_UINT32 enable_mask,
  35                              A_UINT32 disable_mask);
  36
  37 /*
  38  * Send a command to the Target requesting input state of GPIO pins.
  39  */
  40 int wmi_gpio_input_get(struct wmi_t *wmip);
  41
  42 /*
  43  * Send a command to the Target to change the value of a GPIO register.
  44  */
  45 int wmi_gpio_register_set(struct wmi_t *wmip,
  46                                A_UINT32 gpioreg_id,
  47                                A_UINT32 value);
  48
  49 /*
  50  * Send a command to the Target to fetch the value of a GPIO register.
  51  */
  52 int wmi_gpio_register_get(struct wmi_t *wmip, A_UINT32 gpioreg_id);
  53
  54 /*
  55  * Send a command to the Target, acknowledging some GPIO interrupts.
  56  */
  57 int wmi_gpio_intr_ack(struct wmi_t *wmip, A_UINT32 ack_mask);
  58
  59 #endif /* _GPIO_API_H_ */