| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2011, 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: bgio.c $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/3 $ |
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| 12 | * $brcm_Date: 6/16/11 5:58p $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * |
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| 17 | * Revision History: |
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| 18 | * $brcm_Log: /magnum/portinginterface/gio/7038/bgio.c $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/3 6/16/11 5:58p tdo |
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| 21 | * SWDTV-7592: add BDBG_OBJECT_ASSERT for BGIO. |
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| 22 | * |
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| 23 | * Hydra_Software_Devel/2 9/12/07 5:58p syang |
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| 24 | * PR 30391, PR 32351: BGIO only init for the pin created by BGIO to ovoid |
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| 25 | * override configures by other sw entity; BGIO read from HW reg (no more |
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| 26 | * sw buffering); |
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| 27 | * |
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| 28 | * Hydra_Software_Devel/1 2/24/04 7:17p syang |
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| 29 | * PR 9785: init version |
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| 30 | * |
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| 31 | ***************************************************************************/ |
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| 32 | |
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| 33 | #include "bgio.h" /* */ |
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| 34 | #include "bgio_priv.h" /* */ |
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| 35 | #include "bkni.h" |
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| 36 | |
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| 37 | BDBG_MODULE(BGIO); |
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| 38 | BDBG_OBJECT_ID(BGIO); |
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| 39 | |
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| 40 | /*************************************************************************** |
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| 41 | * |
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| 42 | */ |
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| 43 | BERR_Code BGIO_Open( |
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| 44 | BGIO_Handle * phGpio, |
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| 45 | BCHP_Handle hChip, |
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| 46 | BREG_Handle hRegister ) |
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| 47 | { |
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| 48 | BERR_Code eResult = BERR_SUCCESS; |
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| 49 | BGIO_P_Context * pGpio = NULL; |
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| 50 | |
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| 51 | if ( (NULL == phGpio) || |
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| 52 | (NULL == hChip) || |
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| 53 | (NULL == hRegister) ) |
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| 54 | { |
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| 55 | return BERR_TRACE(BERR_INVALID_PARAMETER); |
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| 56 | } |
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| 57 | |
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| 58 | pGpio = (BGIO_P_Context *)BKNI_Malloc( sizeof(BGIO_P_Context) ); |
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| 59 | if ( NULL == pGpio ) |
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| 60 | { |
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| 61 | return BERR_TRACE(BERR_OUT_OF_SYSTEM_MEMORY); |
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| 62 | } |
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| 63 | BKNI_Memset((void*)pGpio, 0x0, sizeof(BGIO_P_Context)); |
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| 64 | BDBG_OBJECT_SET(pGpio, BGIO); |
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| 65 | |
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| 66 | /* init pin list */ |
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| 67 | BLST_D_INIT(&pGpio->PinHead); |
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| 68 | |
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| 69 | pGpio->hChip = hChip; |
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| 70 | pGpio->hRegister = hRegister; |
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| 71 | BGIO_P_MAIN_SET_BLACK_MAGIC(pGpio); |
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| 72 | |
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| 73 | *phGpio = pGpio; |
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| 74 | return eResult; |
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| 75 | } |
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| 76 | |
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| 77 | /*************************************************************************** |
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| 78 | * |
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| 79 | */ |
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| 80 | BERR_Code BGIO_Close( |
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| 81 | BGIO_Handle hGpio ) |
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| 82 | { |
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| 83 | BDBG_OBJECT_ASSERT(hGpio, BGIO); |
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| 84 | |
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| 85 | /* sub-modules have to be explicitly destroied first */ |
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| 86 | if ( true != BLST_D_EMPTY(&hGpio->PinHead) ) |
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| 87 | { |
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| 88 | return BERR_TRACE(BERR_LEAKED_RESOURCE); |
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| 89 | } |
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| 90 | |
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| 91 | BDBG_OBJECT_DESTROY(hGpio, BGIO); |
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| 92 | BKNI_Free((void*)hGpio); |
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| 93 | return BERR_SUCCESS; |
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| 94 | } |
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| 95 | |
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| 96 | /* End of File */ |
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