csl_atahwcontrol.c

TI达芬奇dm644x各硬件模块测试代码

/*  ============================================================================
 *   Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005
 *
 *   Use of this software is controlled by the terms and conditions found in the
 *   license agreement under which this software has been supplied.
 *   ===========================================================================
 */

/** @file csl_ataHwControl.c
 *
 *  @brief    File for functional layer of CSL API @a CSL_ataHwControl()
 *
 *  Description
 *    - The @a CSL_ataHwControl() function definition & it's associated
 *      functions
 *
 *  Path: \\(CSLPATH)\\ipmodules\\ata\\src
 *
 *  Modification 1
 *    - modified on: 2004/03/08
 *    - reason: created the sources
 *
 *  Date 2004/03/08
 *  Author RG Kiran
 */

/* =============================================================================
 *  Revision History
 *  ===============
 *  07-Nov-2004 kpn  Added code in accordance with new specification
 *  08-Oct-2004 kpn  Added code to check for invalid instance number
 *  24-Sep-2004 kpn  Updated according to CSL Upgradation guidelines
 *  ============================================================================
 */

#include <csl_ata.h>
#include <csl_ataAux.h>

/** ============================================================================
 *   @n@b CSL_ataHwControl
 *
 *   @b Description
 *   @n Takes a command of ATA with an optional argument & implements it.
 *
 *   @b Arguments
 *   @verbatim
            hAta            Handle to the ATA instance

            cmd             The command to this API indicates the action to be
                            taken on ATA.

            arg             An optional argument.
     @endverbatim
 *
 *   <b> Return Value </b>  CSL_Status
 *   @li                    CSL_SOK             - Status info return successful.
 *   @li                    CSL_ESYS_BADHANDLE  - Invalid handle
 *   @li                    CSL_ESYS_INVCMD     - Invalid command
 *   @li                    CSL_ESYS_FAIL       - Invalid instance number
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *   @n  None
 *
 *   @b Modifies
 *   @n The hardware registers of ATA.
 *
 *   @b Example
 *   @verbatim
        CSL_AtaHandle         hAta;
        CSL_AtaHwControlCmd   cmd;
        void                  arg;

        status = CSL_ataHwControl (hAta, cmd, &arg);

     @endverbatim
 *  ============================================================================
 */
#pragma CODE_SECTION (CSL_ataHwControl, ".text:csl_section:ata");
CSL_Status  CSL_ataHwControl (
    CSL_AtaHandle               hAta,
    CSL_AtaHwControlCmd         cmd,
    void                       *arg
)
{
    CSL_Status status = CSL_SOK;

    if (hAta == NULL) {
        return CSL_ESYS_BADHANDLE;
    }

    switch (cmd) {

        case CSL_ATA_CMD_UDMA_TIMING_MODE:
            CSL_ataUdmaTmgMode (hAta, *(Uint8*)arg);
            return status;

        case CSL_ATA_CMD_MISR_ON:
            CSL_ataMisrOn (hAta, *(Uint8*)arg);
            return status;

        case CSL_ATA_CMD_MISR_OFF:
            CSL_ataMisrOff (hAta);
            return status;

        case CSL_ATA_CMD_IODFTM_EN_BREAK:
            CSL_ataIodftmBreakEnable (hAta);
            return status;

        case CSL_ATA_CMD_IODFTM_ENABLE:
            CSL_ataIodftmEnable (hAta);
            return status;

        case CSL_ATA_CMD_EXTERNAL_ENABLE:
            CSL_ataExternalEnable (hAta);
            return status;

        case CSL_ATA_CMD_IODFTM_UDMA_ENABLE:
            CSL_ataIodftmUdmaEnable (hAta);
            return status;

        case CSL_ATA_CMD_IODFTM_PIO_ENABLE:
            CSL_ataIodftmPioEnable (hAta);
            return status;

        case CSL_ATA_CMD_MMS_OUT:
            CSL_ataMmsOutSel (hAta);
            return status;

        case CSL_ATA_CMD_MMS_IN:
            CSL_ataMmsInSel (hAta);
            return status;

        case CSL_ATA_CMD_TEST_ENABLE:
            CSL_ataTestModeEnable (hAta);
            return status;

        case CSL_ATA_CMD_NORMAL_ENABLE:
            CSL_ataNormalModeEnable (hAta);
            return status;

        case CSL_ATA_CMD_TEST_OP_ENABLE:
            CSL_ataTestOutputEnable (hAta);
            return status;

        case CSL_ATA_CMD_TEST_OP_DISABLE:
            CSL_ataTestOutputDisable (hAta);
            return status;

        case CSL_ATA_CMD_SET_MISR_STATE:
            CSL_ataSetMisrState (hAta, *(Uint8*)arg);
            return status;

        default :
            break;
    }

    if (hAta->ataNum == CSL_ATA_PRIMARY) {

        switch (cmd) {

            case CSL_ATA_CMD_PIOENABLE:
                CSL_ataP_PIOEnable (hAta);
                break;

            case CSL_ATA_CMD_PIODISABLE:
                CSL_ataP_PIODisable (hAta);
                break;

            case CSL_ATA_CMD_DMASTARTREAD:
                CSL_ataP_DMAStartRead (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_DMASTARTWRITE:
                CSL_ataP_DMAStartWrite (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_UDMASTARTREAD:
                CSL_ataP_UDMAStartRead (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_UDMASTARTWRITE:
                CSL_ataP_DMAStartWrite (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_DMASTOP:
            case CSL_ATA_CMD_UDMASTOP:
                CSL_ataP_DMA_UDMA_Stop (hAta);
                break;

            case CSL_ATA_CMD_IORDYTIMEOUTCLEAR:
                CSL_ataP_IORDYTimeOutClear (hAta);
                break;

            case CSL_ATA_CMD_INTRSTATUSCLEAR:
                CSL_ataP_IntrStatusClear (hAta);
                break;

            case CSL_ATA_CMD_DMAERRORCLEAR:
                CSL_ataP_DMAErrorClear (hAta);
                break;

            case CSL_ATA_CMD_DMADESCTABLE:
                CSL_ataP_DMADescTable (hAta, *(Uint32 *)arg);
                break;

            default:
                return CSL_ESYS_INVCMD;
        }

    }

    else if (hAta->ataNum == CSL_ATA_SECONDARY) {

        switch (cmd) {

            case CSL_ATA_CMD_PIOENABLE:
                CSL_ataS_PIOEnable (hAta);
                break;

            case CSL_ATA_CMD_PIODISABLE:
                CSL_ataS_PIODisable (hAta);
                break;

            case CSL_ATA_CMD_DMASTARTREAD:
                CSL_ataS_DMAStartRead (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_DMASTARTWRITE:
                CSL_ataS_DMAStartWrite (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_UDMASTARTREAD:
                CSL_ataS_UDMAStartRead (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_UDMASTARTWRITE:
                CSL_ataS_DMAStartWrite (hAta, *(Uint32*)arg);
                break;

            case CSL_ATA_CMD_DMASTOP:
            case CSL_ATA_CMD_UDMASTOP:
                CSL_ataS_DMA_UDMA_Stop (hAta);
                break;

            case CSL_ATA_CMD_IORDYTIMEOUTCLEAR:
                CSL_ataS_IORDYTimeOutClear (hAta);
                break;

            case CSL_ATA_CMD_INTRSTATUSCLEAR:
                CSL_ataS_IntrStatusClear (hAta);
                break;

            case CSL_ATA_CMD_DMAERRORCLEAR:
                CSL_ataS_DMAErrorClear (hAta);
                break;

            case CSL_ATA_CMD_DMADESCTABLE:
                CSL_ataS_DMADescTable (hAta, *(Uint32 *)arg);
                break;

            default:
                return CSL_ESYS_INVCMD;
        }

    }

    else {
        return CSL_ESYS_FAIL;
    }

    return status;
}