| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2006, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: $ |
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| 11 | * $brcm_Revision: $ |
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| 12 | * $brcm_Date: $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: $ |
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| 19 | * |
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| 20 | ***************************************************************************/ |
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| 21 | |
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| 22 | #ifndef BSETTOP_GPIO_H__ |
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| 23 | #define BSETTOP_GPIO_H__ |
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| 24 | |
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| 25 | #include "bsettop_types.h" |
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| 26 | |
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| 27 | typedef enum bgpio_interrupt_mode |
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| 28 | { |
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| 29 | eGPIO_Disabled, /* no interrupt */ |
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| 30 | eGPIO_RisingEdge, /* interrupt on 0->1 transition */ |
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| 31 | eGPIO_FallingEdge, /* interrupt on 1->0 transition */ |
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| 32 | eGPIO_Edge, /* interrupt both a 0->1 and a 1->0 transition */ |
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| 33 | eGPIO_Low, /* interrupt on a 0 value */ |
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| 34 | eGPIO_High, /* interrupt on a 1 value */ |
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| 35 | eGPIO_Int_Max |
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| 36 | } bgpio_interrupt_mode; |
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| 37 | |
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| 38 | typedef enum bgpio_mode |
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| 39 | { |
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| 40 | eGPIO_Input, |
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| 41 | eGPIO_OutputOpenDrain, |
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| 42 | eGPIO_OutputPushPull, |
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| 43 | eGPIO_Mode_Max |
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| 44 | } bgpio_mode; |
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| 45 | |
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| 46 | typedef enum bgpio_type |
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| 47 | { |
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| 48 | eGPIO_Standard, /* standard gpio pin */ |
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| 49 | eGPIO_Special, /* special gpio pin */ |
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| 50 | eGPIO_AStandard, /* AON gpio pin */ |
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| 51 | eGPIO_ASpecial, /* AON special gpio pin */ |
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| 52 | eGPIO_Type_Max |
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| 53 | } bgpio_type; |
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| 54 | |
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| 55 | typedef struct bgpio_settings { |
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| 56 | bgpio_type type; |
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| 57 | bgpio_mode mode; |
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| 58 | bgpio_interrupt_mode intMode; |
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| 59 | |
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| 60 | bsettop_callback user_callback; /* callback when interrupt is generated */ |
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| 61 | void *user_callback_context; |
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| 62 | } bgpio_settings; |
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| 63 | |
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| 64 | |
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| 65 | typedef struct bgpio *bgpio_t; |
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| 66 | |
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| 67 | #ifdef __cplusplus |
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| 68 | extern "C" |
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| 69 | { |
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| 70 | #endif |
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| 71 | void bgpio_init(void); |
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| 72 | bgpio_t bgpio_open( |
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| 73 | int gpio_num, /* - gpio number */ |
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| 74 | const bgpio_settings *p_settings |
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| 75 | ); |
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| 76 | |
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| 77 | void bgpio_close( |
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| 78 | bgpio_t gpio |
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| 79 | ); |
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| 80 | |
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| 81 | /* |
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| 82 | * For level trigger interrupt, application should call this function to get additional level triggered interrupt |
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| 83 | */ |
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| 84 | void bgpio_enable_int(bgpio_t gpio); |
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| 85 | |
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| 86 | #ifdef __cplusplus |
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| 87 | } |
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| 88 | #endif |
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| 89 | |
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| 90 | #endif /* BSETTOP_GPIO_H__ */ |
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