/******************************************************************************
 *
 *  Copyright (C) 2012 Broadcom Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/

/******************************************************************************
 *
 *  Vendor-specific handler for DM events
 *
 ******************************************************************************/
#include "nfc_hal_int.h"
#include "nfc_hal_post_reset.h"
#include "userial.h"
#include "upio.h"

/*****************************************************************************
** Constants and types
*****************************************************************************/

#define NFC_HAL_I93_RW_CFG_LEN              (5)
#define NFC_HAL_I93_RW_CFG_PARAM_LEN        (3)
#define NFC_HAL_I93_AFI                     (0)
#define NFC_HAL_I93_ENABLE_SMART_POLL       (1)

static UINT8 nfc_hal_dm_i93_rw_cfg[NFC_HAL_I93_RW_CFG_LEN] =
{
    NCI_PARAM_ID_I93_DATARATE,
    NFC_HAL_I93_RW_CFG_PARAM_LEN,
    NFC_HAL_I93_FLAG_DATA_RATE,    /* Bit0:Sub carrier, Bit1:Data rate, Bit4:Enable/Disable AFI */
    NFC_HAL_I93_AFI,               /* AFI if Bit 4 is set in the flag byte */
    NFC_HAL_I93_ENABLE_SMART_POLL  /* Bit0:Enable/Disable smart poll */
};

static UINT8 nfc_hal_dm_set_fw_fsm_cmd[NCI_MSG_HDR_SIZE + 1] =
{
    NCI_MTS_CMD|NCI_GID_PROP,
    NCI_MSG_SET_FWFSM,
    0x01,
    0x00,
};
#define NCI_SET_FWFSM_OFFSET_ENABLE      3

const UINT8 nfc_hal_dm_core_reset_cmd[NCI_MSG_HDR_SIZE + NCI_CORE_PARAM_SIZE_RESET] =
{
    NCI_MTS_CMD|NCI_GID_CORE,
    NCI_MSG_CORE_RESET,
    NCI_CORE_PARAM_SIZE_RESET,
    NCI_RESET_TYPE_RESET_CFG
};

#define NCI_PROP_PARAM_SIZE_XTAL_INDEX      3       /* length of parameters in XTAL_INDEX CMD */

const UINT8 nfc_hal_dm_get_build_info_cmd[NCI_MSG_HDR_SIZE] =
{
    NCI_MTS_CMD|NCI_GID_PROP,
    NCI_MSG_GET_BUILD_INFO,
    0x00
};
#define NCI_BUILD_INFO_OFFSET_HWID  25  /* HW ID offset in build info RSP */

const UINT8 nfc_hal_dm_get_patch_version_cmd [NCI_MSG_HDR_SIZE] =
{
    NCI_MTS_CMD|NCI_GID_PROP,
    NCI_MSG_GET_PATCH_VERSION,
    0x00
};
#define NCI_PATCH_INFO_OFFSET_NVMTYPE  35  /* NVM Type offset in patch info RSP */

/*****************************************************************************
** Extern function prototypes
*****************************************************************************/
extern UINT8 *p_nfc_hal_dm_lptd_cfg;
extern UINT8 *p_nfc_hal_dm_pll_325_cfg;
extern UINT8 *p_nfc_hal_dm_start_up_cfg;
extern UINT8 *p_nfc_hal_dm_start_up_vsc_cfg;

/*****************************************************************************
** Local function prototypes
*****************************************************************************/

/*******************************************************************************
**
** Function         nfc_hal_dm_set_config
**
** Description      Send NCI config items to NFCC
**
** Returns          tHAL_NFC_STATUS
**
*******************************************************************************/
tHAL_NFC_STATUS nfc_hal_dm_set_config (UINT8 tlv_size,
                                       UINT8 *p_param_tlvs,
                                       tNFC_HAL_NCI_CBACK *p_cback)
{
    UINT8  *p_buff, *p;
    UINT8  num_param = 0, param_len, rem_len, *p_tlv;
    UINT16 cmd_len = NCI_MSG_HDR_SIZE + tlv_size + 1;
    tHAL_NFC_STATUS status = HAL_NFC_STATUS_FAILED;

    if ((tlv_size == 0)||(p_param_tlvs == NULL))
    {
        return status;
    }

    if ((p_buff = (UINT8 *) GKI_getbuf ((UINT16)(NCI_MSG_HDR_SIZE + tlv_size))) != NULL)
    {
        p = p_buff;

        NCI_MSG_BLD_HDR0 (p, NCI_MT_CMD, NCI_GID_CORE);
        NCI_MSG_BLD_HDR1 (p, NCI_MSG_CORE_SET_CONFIG);
        UINT8_TO_STREAM  (p, (UINT8) (tlv_size + 1));

        rem_len = tlv_size;
        p_tlv   = p_param_tlvs;
        while (rem_len > 1)
        {
            num_param++;                /* number of params */

            p_tlv ++;                   /* param type   */
            param_len = *p_tlv++;       /* param length */

            rem_len -= 2;               /* param type and length */
            if (rem_len >= param_len)
            {
                rem_len -= param_len;
                p_tlv   += param_len;   /* next param_type */

                if (rem_len == 0)
                {
                    status = HAL_NFC_STATUS_OK;
                    break;
                }
            }
            else
            {
                /* error found */
                break;
            }
        }

        if (status == HAL_NFC_STATUS_OK)
        {
            UINT8_TO_STREAM (p, num_param);
            ARRAY_TO_STREAM (p, p_param_tlvs, tlv_size);

            nfc_hal_dm_send_nci_cmd (p_buff, cmd_len, p_cback);
        }
        else
        {
            NCI_TRACE_ERROR0 ("nfc_hal_dm_set_config ():Bad TLV");
        }

        GKI_freebuf (p_buff);
    }

    return status;
}

/*******************************************************************************
**
** Function         nfc_hal_dm_get_xtal_index
**
** Description      Convert xtal frequency to index
**
** Returns          xtal index
**
*******************************************************************************/
static tNFC_HAL_XTAL_INDEX nfc_hal_dm_get_xtal_index (UINT16 xtal_freq)
{
    tNFC_HAL_XTAL_INDEX xtal_index;

    switch (xtal_freq)
    {
    case  9600: xtal_index = NFC_HAL_XTAL_INDEX_9600;  break;
    case 13000: xtal_index = NFC_HAL_XTAL_INDEX_13000; break;
    case 16200: xtal_index = NFC_HAL_XTAL_INDEX_16200; break;
    case 19200: xtal_index = NFC_HAL_XTAL_INDEX_19200; break;
    case 24000: xtal_index = NFC_HAL_XTAL_INDEX_24000; break;
    case 26000: xtal_index = NFC_HAL_XTAL_INDEX_26000; break;
    case 38400: xtal_index = NFC_HAL_XTAL_INDEX_38400; break;
    case 52000: xtal_index = NFC_HAL_XTAL_INDEX_52000; break;
    case 37400: xtal_index = NFC_HAL_XTAL_INDEX_37400; break;
    default :   xtal_index = NFC_HAL_XTAL_INDEX_MAX;
                NCI_TRACE_DEBUG1 ("nfc_hal_dm_get_xtal_index ():No matched index for %d", xtal_freq);
                break;
    }

    return xtal_index;
}

/*******************************************************************************
**
** Function         nfc_hal_dm_set_fw_fsm
**
** Description      Enable or disable FW FSM
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_set_fw_fsm (BOOLEAN enable, tNFC_HAL_NCI_CBACK *p_cback)
{
    if (enable)
        nfc_hal_dm_set_fw_fsm_cmd[NCI_SET_FWFSM_OFFSET_ENABLE] = 0x01; /* Enable, default is disabled */
    else
        nfc_hal_dm_set_fw_fsm_cmd[NCI_SET_FWFSM_OFFSET_ENABLE] = 0x00; /* Disable */

    nfc_hal_dm_send_nci_cmd (nfc_hal_dm_set_fw_fsm_cmd, NCI_MSG_HDR_SIZE + 1, p_cback);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_config_nfcc_cback
**
** Description      Callback for NCI vendor specific command complete
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_config_nfcc_cback (tNFC_HAL_NCI_EVT event, UINT16 data_len, UINT8 *p_data)
{
    if (nfc_hal_cb.dev_cb.next_dm_config == NFC_HAL_DM_CONFIG_NONE)
    {
        nfc_hal_hci_enable ();
    }
    else
    {
        nfc_hal_dm_config_nfcc ();
    }
}

/*******************************************************************************
**
** Function         nfc_hal_dm_send_startup_vsc
**
** Description      Send VS command before NFA start-up
**
** Returns          None
**
*******************************************************************************/
void nfc_hal_dm_send_startup_vsc (void)
{
    UINT8  *p, *p_end;
    UINT16 len;

    NCI_TRACE_DEBUG0 ("nfc_hal_dm_send_startup_vsc ()");

    /* VSC must have NCI header at least */
    if (nfc_hal_cb.dev_cb.next_startup_vsc + NCI_MSG_HDR_SIZE - 1 <= *p_nfc_hal_dm_start_up_vsc_cfg)
    {
        p     = p_nfc_hal_dm_start_up_vsc_cfg + nfc_hal_cb.dev_cb.next_startup_vsc;
        len   = *(p + 2);
        p_end = p + NCI_MSG_HDR_SIZE - 1 + len;

        if (p_end <= p_nfc_hal_dm_start_up_vsc_cfg + *p_nfc_hal_dm_start_up_vsc_cfg)
        {
            /* move to next VSC */
            nfc_hal_cb.dev_cb.next_startup_vsc += NCI_MSG_HDR_SIZE + len;

            /* if this is last VSC */
            if (p_end == p_nfc_hal_dm_start_up_vsc_cfg + *p_nfc_hal_dm_start_up_vsc_cfg)
                nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_NONE;

            nfc_hal_dm_send_nci_cmd (p, (UINT16)(NCI_MSG_HDR_SIZE + len), nfc_hal_dm_config_nfcc_cback);
            return;
        }
    }

    NCI_TRACE_ERROR0 ("nfc_hal_dm_send_startup_vsc (): Bad start-up VSC");

    NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_IDLE);
    nfc_hal_cb.p_stack_cback (HAL_NFC_POST_INIT_CPLT_EVT, HAL_NFC_STATUS_FAILED);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_config_nfcc
**
** Description      Send VS config before NFA start-up
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_config_nfcc (void)
{
    UINT8   *p;
    UINT8   xtal_index;

    NCI_TRACE_DEBUG1 ("nfc_hal_dm_config_nfcc (): next_dm_config = %d", nfc_hal_cb.dev_cb.next_dm_config);

    if ((p_nfc_hal_dm_lptd_cfg[0]) && (nfc_hal_cb.dev_cb.next_dm_config <= NFC_HAL_DM_CONFIG_LPTD))
    {
        nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_PLL_325;

        if (nfc_hal_dm_set_config (p_nfc_hal_dm_lptd_cfg[0],
                                   &p_nfc_hal_dm_lptd_cfg[1],
                                   nfc_hal_dm_config_nfcc_cback) == HAL_NFC_STATUS_OK)
        {
            return;
        }
        else
        {
            NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_IDLE);
            nfc_hal_cb.p_stack_cback (HAL_NFC_POST_INIT_CPLT_EVT, HAL_NFC_STATUS_FAILED);
            return;
        }
    }

    if ((p_nfc_hal_dm_pll_325_cfg) && (nfc_hal_cb.dev_cb.next_dm_config <= NFC_HAL_DM_CONFIG_PLL_325))
    {
        xtal_index = nfc_hal_dm_get_xtal_index (nfc_post_reset_cb.dev_init_config.xtal_freq);
        if (xtal_index < NFC_HAL_XTAL_INDEX_MAX)
        {
            nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_START_UP;
            p = p_nfc_hal_dm_pll_325_cfg + (xtal_index * NFC_HAL_PLL_325_SETCONFIG_PARAM_LEN);
            if (nfc_hal_dm_set_config (NFC_HAL_PLL_325_SETCONFIG_PARAM_LEN,
                                       p,
                                       nfc_hal_dm_config_nfcc_cback) == HAL_NFC_STATUS_OK)
            {
                return;
            }
            else
            {
                NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_IDLE);
                nfc_hal_cb.p_stack_cback (HAL_NFC_POST_INIT_CPLT_EVT, HAL_NFC_STATUS_FAILED);
                return;
            }
        }
    }

    if ((p_nfc_hal_dm_start_up_cfg[0]) && (nfc_hal_cb.dev_cb.next_dm_config <= NFC_HAL_DM_CONFIG_START_UP))
    {
        nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_I93_DATA_RATE;
        if (nfc_hal_dm_set_config (p_nfc_hal_dm_start_up_cfg[0],
                                   &p_nfc_hal_dm_start_up_cfg[1],
                                   nfc_hal_dm_config_nfcc_cback) == HAL_NFC_STATUS_OK)
        {
            return;
        }
        else
        {
            NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_IDLE);
            nfc_hal_cb.p_stack_cback (HAL_NFC_POST_INIT_CPLT_EVT, HAL_NFC_STATUS_FAILED);
            return;
        }
    }

#if (NFC_HAL_I93_FLAG_DATA_RATE == NFC_HAL_I93_FLAG_DATA_RATE_HIGH)
    if (nfc_hal_cb.dev_cb.next_dm_config  <= NFC_HAL_DM_CONFIG_I93_DATA_RATE)
    {
        nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_FW_FSM;
        if (nfc_hal_dm_set_config (NFC_HAL_I93_RW_CFG_LEN,
                                   nfc_hal_dm_i93_rw_cfg,
                                   nfc_hal_dm_config_nfcc_cback) == HAL_NFC_STATUS_OK)
        {
            return;
        }
        else
        {
            NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_IDLE);
            nfc_hal_cb.p_stack_cback (HAL_NFC_POST_INIT_CPLT_EVT, HAL_NFC_STATUS_FAILED);
            return;
        }
    }
#endif

    /* FW FSM is disabled as default in NFCC */
    if (nfc_hal_cb.dev_cb.next_dm_config <= NFC_HAL_DM_CONFIG_FW_FSM)
    {
        nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_START_UP_VSC;
        nfc_hal_dm_set_fw_fsm (NFC_HAL_DM_MULTI_TECH_RESP, nfc_hal_dm_config_nfcc_cback);
        return;
    }

    if (nfc_hal_cb.dev_cb.next_dm_config <= NFC_HAL_DM_CONFIG_START_UP_VSC)
    {
        if (p_nfc_hal_dm_start_up_vsc_cfg && *p_nfc_hal_dm_start_up_vsc_cfg)
        {
            nfc_hal_dm_send_startup_vsc ();
            return;
        }
    }

    /* nothing to config */
    nfc_hal_cb.dev_cb.next_dm_config = NFC_HAL_DM_CONFIG_NONE;
    nfc_hal_dm_config_nfcc_cback (0, 0, NULL);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_set_xtal_freq_index
**
** Description      Set crystal frequency index
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_set_xtal_freq_index (void)
{
    UINT8 nci_brcm_xtal_index_cmd[NCI_MSG_HDR_SIZE + NCI_PROP_PARAM_SIZE_XTAL_INDEX];
    UINT8 *p;
    tNFC_HAL_XTAL_INDEX xtal_index;

    NCI_TRACE_DEBUG1 ("nfc_hal_dm_set_xtal_freq_index (): xtal_freq = %d", nfc_post_reset_cb.dev_init_config.xtal_freq);

    xtal_index = nfc_hal_dm_get_xtal_index (nfc_post_reset_cb.dev_init_config.xtal_freq);

    switch (xtal_index)
    {
    case NFC_HAL_XTAL_INDEX_9600:
    case NFC_HAL_XTAL_INDEX_13000:
    case NFC_HAL_XTAL_INDEX_19200:
    case NFC_HAL_XTAL_INDEX_26000:
    case NFC_HAL_XTAL_INDEX_38400:
    case NFC_HAL_XTAL_INDEX_52000:

        {
            /* no need to set xtal index for these frequency */
            NCI_TRACE_DEBUG0 ("nfc_hal_dm_set_xtal_freq_index (): no need to set xtal index");

            nfc_post_reset_cb.dev_init_config.flags &= ~NFC_HAL_DEV_INIT_FLAGS_SET_XTAL_FREQ;
            nfc_hal_dm_send_reset_cmd ();
            return;
        }
        break;
    }

    p = nci_brcm_xtal_index_cmd;
    UINT8_TO_STREAM  (p, (NCI_MTS_CMD|NCI_GID_PROP));
    UINT8_TO_STREAM  (p, NCI_MSG_GET_XTAL_INDEX_FROM_DH);
    UINT8_TO_STREAM  (p, NCI_PROP_PARAM_SIZE_XTAL_INDEX);
    UINT8_TO_STREAM  (p, xtal_index);
    UINT16_TO_STREAM (p, nfc_post_reset_cb.dev_init_config.xtal_freq);

    NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_XTAL_SET);

    nfc_hal_dm_send_nci_cmd (nci_brcm_xtal_index_cmd, NCI_MSG_HDR_SIZE + NCI_PROP_PARAM_SIZE_XTAL_INDEX, NULL);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_send_reset_cmd
**
** Description      Send CORE RESET CMD
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_send_reset_cmd (void)
{
    /* Proceed with start up sequence: send CORE_RESET_CMD */
    NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_RESET);

    nfc_hal_dm_send_nci_cmd (nfc_hal_dm_core_reset_cmd, NCI_MSG_HDR_SIZE + NCI_CORE_PARAM_SIZE_RESET, NULL);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_proc_msg_during_init
**
** Description      Process NCI message while initializing NFCC
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_proc_msg_during_init (NFC_HDR *p_msg)
{
    UINT8 *p;
    UINT8 reset_reason, reset_type;
    UINT8 mt, pbf, gid, op_code;
    UINT8 *p_old, old_gid, old_oid, old_mt;
    tNFC_HAL_NCI_CBACK *p_cback = NULL;

    NCI_TRACE_DEBUG1 ("nfc_hal_dm_proc_msg_during_init(): init state:%d", nfc_hal_cb.dev_cb.initializing_state);

    p = (UINT8 *) (p_msg + 1) + p_msg->offset;

    NCI_MSG_PRS_HDR0 (p, mt, pbf, gid);
    NCI_MSG_PRS_HDR1 (p, op_code);

    /* check if waiting for this response */
    if (  (nfc_hal_cb.ncit_cb.nci_wait_rsp == NFC_HAL_WAIT_RSP_CMD)
        ||(nfc_hal_cb.ncit_cb.nci_wait_rsp == NFC_HAL_WAIT_RSP_VSC)  )
    {
        if (mt == NCI_MT_RSP)
        {
            p_old = nfc_hal_cb.ncit_cb.last_hdr;
            NCI_MSG_PRS_HDR0 (p_old, old_mt, pbf, old_gid);
            old_oid = ((*p_old) & NCI_OID_MASK);
            /* make sure this is the RSP we are waiting for before updating the command window */
            if ((old_gid == gid) && (old_oid == op_code))
            {
                nfc_hal_cb.ncit_cb.nci_wait_rsp = NFC_HAL_WAIT_RSP_NONE;
                p_cback = (tNFC_HAL_NCI_CBACK *)nfc_hal_cb.ncit_cb.p_vsc_cback;
                nfc_hal_cb.ncit_cb.p_vsc_cback  = NULL;
                nfc_hal_main_stop_quick_timer (&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer);
            }
        }
    }

    if (gid == NCI_GID_CORE)
    {
        if (op_code == NCI_MSG_CORE_RESET)
        {
            if (mt == NCI_MT_RSP)
            {
                if (nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_W4_RE_INIT)
                {
                    NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_APP_COMPLETE);
                    nfc_hal_dm_send_nci_cmd (nfc_hal_dm_get_patch_version_cmd, NCI_MSG_HDR_SIZE, nfc_hal_cb.p_reinit_cback);
                }
                else
                {
                    NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_BUILD_INFO);

                    /* get build information to find out HW */
                    nfc_hal_dm_send_nci_cmd (nfc_hal_dm_get_build_info_cmd, NCI_MSG_HDR_SIZE, NULL);
                }
            }
            else
            {
                /* Call reset notification callback */
                p++;                                /* Skip over param len */
                STREAM_TO_UINT8 (reset_reason, p);
                STREAM_TO_UINT8 (reset_type, p);
                nfc_hal_prm_spd_reset_ntf (reset_reason, reset_type);
            }
        }
        else if (p_cback)
        {
            (*p_cback) ((tNFC_HAL_NCI_EVT) (op_code),
                        p_msg->len,
                        (UINT8 *) (p_msg + 1) + p_msg->offset);
        }
    }
    else if (gid == NCI_GID_PROP) /* this is for download patch */
    {
        if (mt == NCI_MT_NTF)
            op_code |= NCI_NTF_BIT;
        else
            op_code |= NCI_RSP_BIT;

        if (nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_W4_XTAL_SET)
        {
            if (op_code == (NCI_RSP_BIT|NCI_MSG_GET_XTAL_INDEX_FROM_DH))
            {
                /* wait for crystal setting in NFCC */
                GKI_delay (100);

                /* Crytal frequency configured. Proceed with start up sequence: send CORE_RESET_CMD */
                nfc_hal_dm_send_reset_cmd ();
            }
        }
        else if (  (op_code == NFC_VS_GET_BUILD_INFO_EVT)
                 &&(nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_W4_BUILD_INFO)  )
        {
            p += NCI_BUILD_INFO_OFFSET_HWID;

            STREAM_TO_UINT32 (nfc_hal_cb.dev_cb.brcm_hw_id, p);

            NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_PATCH_INFO);

            nfc_hal_dm_send_nci_cmd (nfc_hal_dm_get_patch_version_cmd, NCI_MSG_HDR_SIZE, NULL);
        }
        else if (  (op_code == NFC_VS_GET_PATCH_VERSION_EVT)
                 &&(nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_W4_PATCH_INFO)  )
        {
            p += NCI_PATCH_INFO_OFFSET_NVMTYPE;

            NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_APP_COMPLETE);

            /* let platform update baudrate or download patch */
            nfc_hal_post_reset_init (nfc_hal_cb.dev_cb.brcm_hw_id, *p);
        }
        else if (p_cback)
        {
            (*p_cback) ((tNFC_HAL_NCI_EVT) (op_code),
                        p_msg->len,
                        (UINT8 *) (p_msg + 1) + p_msg->offset);
        }
        else if (op_code == NFC_VS_SEC_PATCH_AUTH_EVT)
        {
            NCI_TRACE_DEBUG0 ("signature!!");
            nfc_hal_prm_nci_command_complete_cback ((tNFC_HAL_NCI_EVT) (op_code),
                                                    p_msg->len,
                                                    (UINT8 *) (p_msg + 1) + p_msg->offset);
        }
    }
}

/*******************************************************************************
**
** Function         nfc_hal_dm_send_nci_cmd
**
** Description      Send NCI command to NFCC while initializing BRCM NFCC
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_send_nci_cmd (const UINT8 *p_data, UINT16 len, tNFC_HAL_NCI_CBACK *p_cback)
{
    NFC_HDR *p_buf;
    UINT8  *ps;

    NCI_TRACE_DEBUG1 ("nfc_hal_dm_send_nci_cmd (): nci_wait_rsp = 0x%x", nfc_hal_cb.ncit_cb.nci_wait_rsp);

    if (nfc_hal_cb.ncit_cb.nci_wait_rsp != NFC_HAL_WAIT_RSP_NONE)
    {
        NCI_TRACE_ERROR0 ("nfc_hal_dm_send_nci_cmd(): no command window");
        return;
    }

    if ((p_buf = (NFC_HDR *)GKI_getpoolbuf (NFC_HAL_NCI_POOL_ID)) != NULL)
    {
        nfc_hal_cb.ncit_cb.nci_wait_rsp = NFC_HAL_WAIT_RSP_VSC;

        p_buf->offset = NFC_HAL_NCI_MSG_OFFSET_SIZE;
        p_buf->event  = NFC_HAL_EVT_TO_NFC_NCI;
        p_buf->len    = len;

        memcpy ((UINT8*) (p_buf + 1) + p_buf->offset, p_data, len);

        /* Keep a copy of the command and send to NCI transport */

        /* save the message header to double check the response */
        ps   = (UINT8 *)(p_buf + 1) + p_buf->offset;
        memcpy(nfc_hal_cb.ncit_cb.last_hdr, ps, NFC_HAL_SAVED_HDR_SIZE);
        memcpy(nfc_hal_cb.ncit_cb.last_cmd, ps + NCI_MSG_HDR_SIZE, NFC_HAL_SAVED_CMD_SIZE);

        /* save the callback for NCI VSCs */
        nfc_hal_cb.ncit_cb.p_vsc_cback = (void *)p_cback;

        nfc_hal_nci_send_cmd (p_buf);

        /* start NFC command-timeout timer */
        nfc_hal_main_start_quick_timer (&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer, (UINT16)(NFC_HAL_TTYPE_NCI_WAIT_RSP),
                                        ((UINT32) NFC_HAL_CMD_TOUT) * QUICK_TIMER_TICKS_PER_SEC / 1000);
    }
}

/*******************************************************************************
**
** Function         nfc_hal_dm_send_pend_cmd
**
** Description      Send a command to NFCC
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_send_pend_cmd (void)
{
    NFC_HDR *p_buf = nfc_hal_cb.ncit_cb.p_pend_cmd;
    UINT8  *p;

    if (p_buf == NULL)
        return;

    /* check low power mode state */
    if (!nfc_hal_dm_power_mode_execute (NFC_HAL_LP_TX_DATA_EVT))
    {
        return;
    }

    if (nfc_hal_cb.ncit_cb.nci_wait_rsp == NFC_HAL_WAIT_RSP_PROP)
    {
#if (NFC_HAL_TRACE_PROTOCOL == TRUE)
        DispHciCmd (p_buf);
#endif

        /* save the message header to double check the response */
        p = (UINT8 *)(p_buf + 1) + p_buf->offset;
        memcpy(nfc_hal_cb.ncit_cb.last_hdr, p, NFC_HAL_SAVED_HDR_SIZE);

        /* add packet type for BT message */
        p_buf->offset--;
        p_buf->len++;

        p  = (UINT8 *) (p_buf + 1) + p_buf->offset;
        *p = HCIT_TYPE_COMMAND;

        USERIAL_Write (USERIAL_NFC_PORT, p, p_buf->len);

        GKI_freebuf (p_buf);
        nfc_hal_cb.ncit_cb.p_pend_cmd = NULL;

        /* start NFC command-timeout timer */
        nfc_hal_main_start_quick_timer (&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer, (UINT16)(NFC_HAL_TTYPE_NCI_WAIT_RSP),
                                        ((UINT32) NFC_HAL_CMD_TOUT) * QUICK_TIMER_TICKS_PER_SEC / 1000);

    }
}

/*******************************************************************************
**
** Function         nfc_hal_dm_send_bt_cmd
**
** Description      Send BT message to NFCC while initializing BRCM NFCC
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_send_bt_cmd (const UINT8 *p_data, UINT16 len, tNFC_HAL_BTVSC_CPLT_CBACK *p_cback)
{
    NFC_HDR *p_buf;

    NCI_TRACE_DEBUG1 ("nfc_hal_dm_send_bt_cmd (): nci_wait_rsp = 0x%x", nfc_hal_cb.ncit_cb.nci_wait_rsp);

    if (nfc_hal_cb.ncit_cb.nci_wait_rsp != NFC_HAL_WAIT_RSP_NONE)
    {
        NCI_TRACE_ERROR0 ("nfc_hal_dm_send_bt_cmd(): no command window");
        return;
    }

    if ((p_buf = (NFC_HDR *) GKI_getpoolbuf (NFC_HAL_NCI_POOL_ID)) != NULL)
    {
        nfc_hal_cb.ncit_cb.nci_wait_rsp = NFC_HAL_WAIT_RSP_PROP;

        p_buf->offset = NFC_HAL_NCI_MSG_OFFSET_SIZE;
        p_buf->len    = len;

        memcpy ((UINT8*) (p_buf + 1) + p_buf->offset, p_data, len);

        /* save the callback for NCI VSCs)  */
        nfc_hal_cb.ncit_cb.p_vsc_cback = (void *)p_cback;

        nfc_hal_cb.ncit_cb.p_pend_cmd = p_buf;
        if (nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_IDLE)
        {
            NFC_HAL_SET_INIT_STATE(NFC_HAL_INIT_STATE_W4_CONTROL_DONE);
            nfc_hal_cb.p_stack_cback (HAL_NFC_REQUEST_CONTROL_EVT, HAL_NFC_STATUS_OK);
            return;
        }

        nfc_hal_dm_send_pend_cmd();
    }
}

/*******************************************************************************
**
** Function         nfc_hal_dm_set_nfc_wake
**
** Description      Set NFC_WAKE line
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_set_nfc_wake (UINT8 cmd)
{
    NCI_TRACE_DEBUG1 ("nfc_hal_dm_set_nfc_wake () %s",
                      (cmd == NFC_HAL_ASSERT_NFC_WAKE ? "ASSERT" : "DEASSERT"));

    /*
    **  nfc_wake_active_mode             cmd              result of voltage on NFC_WAKE
    **
    **  NFC_HAL_LP_ACTIVE_LOW (0)    NFC_HAL_ASSERT_NFC_WAKE (0)    pull down NFC_WAKE (GND)
    **  NFC_HAL_LP_ACTIVE_LOW (0)    NFC_HAL_DEASSERT_NFC_WAKE (1)  pull up NFC_WAKE (VCC)
    **  NFC_HAL_LP_ACTIVE_HIGH (1)   NFC_HAL_ASSERT_NFC_WAKE (0)    pull up NFC_WAKE (VCC)
    **  NFC_HAL_LP_ACTIVE_HIGH (1)   NFC_HAL_DEASSERT_NFC_WAKE (1)  pull down NFC_WAKE (GND)
    */

    if (cmd == nfc_hal_cb.dev_cb.nfc_wake_active_mode)
        UPIO_Set (UPIO_GENERAL, NFC_HAL_LP_NFC_WAKE_GPIO, UPIO_OFF); /* pull down NFC_WAKE */
    else
        UPIO_Set (UPIO_GENERAL, NFC_HAL_LP_NFC_WAKE_GPIO, UPIO_ON);  /* pull up NFC_WAKE */
}

/*******************************************************************************
**
** Function         nfc_hal_dm_power_mode_execute
**
** Description      If snooze mode is enabled in full power mode,
**                     Assert NFC_WAKE before sending data
**                     Deassert NFC_WAKE when idle timer expires
**
** Returns          TRUE if DH can send data to NFCC
**
*******************************************************************************/
BOOLEAN nfc_hal_dm_power_mode_execute (tNFC_HAL_LP_EVT event)
{
    BOOLEAN send_to_nfcc = FALSE;

    NCI_TRACE_DEBUG1 ("nfc_hal_dm_power_mode_execute () event = %d", event);

    if (nfc_hal_cb.dev_cb.power_mode == NFC_HAL_POWER_MODE_FULL)
    {
        if (nfc_hal_cb.dev_cb.snooze_mode != NFC_HAL_LP_SNOOZE_MODE_NONE)
        {
            /* if any transport activity */
            if (  (event == NFC_HAL_LP_TX_DATA_EVT)
                ||(event == NFC_HAL_LP_RX_DATA_EVT)  )
            {
                /* if idle timer is not running */
                if (nfc_hal_cb.dev_cb.lp_timer.in_use == FALSE)
                {
                    nfc_hal_dm_set_nfc_wake (NFC_HAL_ASSERT_NFC_WAKE);
                }

                /* start or extend idle timer */
                nfc_hal_main_start_quick_timer (&nfc_hal_cb.dev_cb.lp_timer, 0x00,
                                                ((UINT32) NFC_HAL_LP_IDLE_TIMEOUT) * QUICK_TIMER_TICKS_PER_SEC / 1000);
            }
            else if (event == NFC_HAL_LP_TIMEOUT_EVT)
            {
                /* let NFCC go to snooze mode */
                nfc_hal_dm_set_nfc_wake (NFC_HAL_DEASSERT_NFC_WAKE);
            }
        }

        send_to_nfcc = TRUE;
    }

    return (send_to_nfcc);
}

/*******************************************************************************
**
** Function         nci_brcm_lp_timeout_cback
**
** Description      callback function for low power timeout
**
** Returns          void
**
*******************************************************************************/
static void nci_brcm_lp_timeout_cback (void *p_tle)
{
    NCI_TRACE_DEBUG0 ("nci_brcm_lp_timeout_cback ()");

    nfc_hal_dm_power_mode_execute (NFC_HAL_LP_TIMEOUT_EVT);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_pre_init_nfcc
**
** Description      This function initializes Broadcom specific control blocks for
**                  NCI transport
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_pre_init_nfcc (void)
{
    NCI_TRACE_DEBUG0 ("nfc_hal_dm_pre_init_nfcc ()");

    if (nfc_post_reset_cb.dev_init_config.flags & NFC_HAL_DEV_INIT_FLAGS_SET_XTAL_FREQ)
    {
        nfc_hal_dm_set_xtal_freq_index ();
    }
    else
    {
        /* Send RESET CMD if application registered callback for device initialization */
        nfc_hal_dm_send_reset_cmd ();
    }
}

/*******************************************************************************
**
** Function         nfc_hal_dm_shutting_down_nfcc
**
** Description      This function initializes Broadcom specific control blocks for
**                  NCI transport
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_shutting_down_nfcc (void)
{
    NCI_TRACE_DEBUG0 ("nfc_hal_dm_shutting_down_nfcc ()");

    nfc_hal_cb.dev_cb.initializing_state = NFC_HAL_INIT_STATE_CLOSING;

    /* reset low power mode variables */
    if (  (nfc_hal_cb.dev_cb.power_mode  == NFC_HAL_POWER_MODE_FULL)
        &&(nfc_hal_cb.dev_cb.snooze_mode != NFC_HAL_LP_SNOOZE_MODE_NONE)  )
    {
        nfc_hal_dm_set_nfc_wake (NFC_HAL_ASSERT_NFC_WAKE);
    }

    nfc_hal_cb.ncit_cb.nci_wait_rsp = NFC_HAL_WAIT_RSP_NONE;
    nfc_hal_cb.hci_cb.b_check_clear_all_pipe_cmd = FALSE;

    nfc_hal_cb.dev_cb.power_mode  = NFC_HAL_POWER_MODE_FULL;
    nfc_hal_cb.dev_cb.snooze_mode = NFC_HAL_LP_SNOOZE_MODE_NONE;

    /* Stop all timers */
    nfc_hal_main_stop_quick_timer (&nfc_hal_cb.ncit_cb.nci_wait_rsp_timer);
    nfc_hal_main_stop_quick_timer (&nfc_hal_cb.dev_cb.lp_timer);
    nfc_hal_main_stop_quick_timer (&nfc_hal_cb.prm.timer);
    nfc_hal_main_stop_quick_timer (&nfc_hal_cb.hci_cb.hci_timer);
}

/*******************************************************************************
**
** Function         nfc_hal_dm_init
**
** Description      This function initializes Broadcom specific control blocks for
**                  NCI transport
**
** Returns          void
**
*******************************************************************************/
void nfc_hal_dm_init (void)
{
    NCI_TRACE_DEBUG0 ("nfc_hal_dm_init ()");

    nfc_hal_cb.dev_cb.lp_timer.p_cback = nci_brcm_lp_timeout_cback;

    nfc_hal_cb.ncit_cb.nci_wait_rsp_timer.p_cback = nfc_hal_nci_cmd_timeout_cback;

    nfc_hal_cb.hci_cb.hci_timer.p_cback = nfc_hal_hci_timeout_cback;

}

/*******************************************************************************
**
** Function         HAL_NfcDevInitDone
**
** Description      Notify that pre-initialization of NFCC is complete
**
** Returns          void
**
*******************************************************************************/
void HAL_NfcPreInitDone (tHAL_NFC_STATUS status)
{
    NCI_TRACE_DEBUG1 ("HAL_NfcPreInitDone () status=%d", status);

    if (nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_W4_APP_COMPLETE)
    {
        NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_IDLE);

        nfc_hal_main_pre_init_done (status);
    }
}

/*******************************************************************************
**
** Function         HAL_NfcReInit
**
** Description      This function is called to send an RESET and GET_PATCH_VERSION
**                  command to NFCC.
**
**                  p_cback         - The callback function to receive the command
**                                    status
**
** Note             This function should be called only during the HAL init process
**
** Returns          HAL_NFC_STATUS_OK if successfully initiated
**                  HAL_NFC_STATUS_FAILED otherwise
**
*******************************************************************************/
tHAL_NFC_STATUS HAL_NfcReInit (tNFC_HAL_NCI_CBACK *p_cback)
{
    tHAL_NFC_STATUS status = HAL_NFC_STATUS_FAILED;
    NCI_TRACE_DEBUG1 ("HAL_NfcReInit () init st=0x%x", nfc_hal_cb.dev_cb.initializing_state);
    if (nfc_hal_cb.dev_cb.initializing_state == NFC_HAL_INIT_STATE_W4_APP_COMPLETE)
    {
        /* Proceed with start up sequence: send CORE_RESET_CMD */
        NFC_HAL_SET_INIT_STATE (NFC_HAL_INIT_STATE_W4_RE_INIT);
        nfc_hal_cb.p_reinit_cback = p_cback;

        nfc_hal_dm_send_nci_cmd (nfc_hal_dm_core_reset_cmd, NCI_MSG_HDR_SIZE + NCI_CORE_PARAM_SIZE_RESET, NULL);
        status = HAL_NFC_STATUS_OK;
    }
    return status;
}

/*******************************************************************************
**
** Function         nfc_hal_dm_set_snooze_mode_cback
**
** Description      This is baud rate update complete callback.
**
** Returns          void
**
*******************************************************************************/
static void nfc_hal_dm_set_snooze_mode_cback (tNFC_HAL_BTVSC_CPLT *pData)
{
    UINT8             status = pData->p_param_buf[0];
    tHAL_NFC_STATUS   hal_status;
    tHAL_NFC_STATUS_CBACK *p_cback;

    /* if it is completed */
    if (status == HCI_SUCCESS)
    {
        /* update snooze mode */
        nfc_hal_cb.dev_cb.snooze_mode = nfc_hal_cb.dev_cb.new_snooze_mode;

        nfc_hal_dm_set_nfc_wake (NFC_HAL_ASSERT_NFC_WAKE);

        if ( nfc_hal_cb.dev_cb.snooze_mode != NFC_HAL_LP_SNOOZE_MODE_NONE)
        {
            /* start idle timer */
            nfc_hal_main_start_quick_timer (&nfc_hal_cb.dev_cb.lp_timer, 0x00,
                                            ((UINT32) NFC_HAL_LP_IDLE_TIMEOUT) * QUICK_TIMER_TICKS_PER_SEC / 1000);
        }
        else
        {
            nfc_hal_main_stop_quick_timer (&nfc_hal_cb.dev_cb.lp_timer);
        }
        hal_status = HAL_NFC_STATUS_OK;
    }
    else
    {
        hal_status = HAL_NFC_STATUS_FAILED;
    }

    if (nfc_hal_cb.dev_cb.p_prop_cback)
    {
        p_cback = nfc_hal_cb.dev_cb.p_prop_cback;
        nfc_hal_cb.dev_cb.p_prop_cback = NULL;
        (*p_cback) (hal_status);
    }
}

/*******************************************************************************
**
** Function         HAL_NfcSetSnoozeMode
**
** Description      Set snooze mode
**                  snooze_mode
**                      NFC_HAL_LP_SNOOZE_MODE_NONE - Snooze mode disabled
**                      NFC_HAL_LP_SNOOZE_MODE_UART - Snooze mode for UART
**                      NFC_HAL_LP_SNOOZE_MODE_SPI_I2C - Snooze mode for SPI/I2C
**
**                  idle_threshold_dh/idle_threshold_nfcc
**                      Idle Threshold Host in 100ms unit
**
**                  nfc_wake_active_mode/dh_wake_active_mode
**                      NFC_HAL_LP_ACTIVE_LOW - high to low voltage is asserting
**                      NFC_HAL_LP_ACTIVE_HIGH - low to high voltage is asserting
**
**                  p_snooze_cback
**                      Notify status of operation
**
** Returns          tHAL_NFC_STATUS
**
*******************************************************************************/
tHAL_NFC_STATUS HAL_NfcSetSnoozeMode (UINT8 snooze_mode,
                                      UINT8 idle_threshold_dh,
                                      UINT8 idle_threshold_nfcc,
                                      UINT8 nfc_wake_active_mode,
                                      UINT8 dh_wake_active_mode,
                                      tHAL_NFC_STATUS_CBACK *p_snooze_cback)
{
    UINT8 cmd[NFC_HAL_BT_HCI_CMD_HDR_SIZE + HCI_BRCM_WRITE_SLEEP_MODE_LENGTH];
    UINT8 *p;

    NCI_TRACE_API1 ("HAL_NfcSetSnoozeMode (): snooze_mode = %d", snooze_mode);

    nfc_hal_cb.dev_cb.new_snooze_mode      = snooze_mode;
    nfc_hal_cb.dev_cb.nfc_wake_active_mode = nfc_wake_active_mode;
    nfc_hal_cb.dev_cb.p_prop_cback         = p_snooze_cback;

    p = cmd;

    /* Add the HCI command */
    UINT16_TO_STREAM (p, HCI_BRCM_WRITE_SLEEP_MODE);
    UINT8_TO_STREAM  (p, HCI_BRCM_WRITE_SLEEP_MODE_LENGTH);

    memset (p, 0x00, HCI_BRCM_WRITE_SLEEP_MODE_LENGTH);

    UINT8_TO_STREAM  (p, snooze_mode);          /* Sleep Mode               */

    UINT8_TO_STREAM  (p, idle_threshold_dh);    /* Idle Threshold Host      */
    UINT8_TO_STREAM  (p, idle_threshold_nfcc);  /* Idle Threshold HC        */
    UINT8_TO_STREAM  (p, nfc_wake_active_mode); /* BT Wake Active Mode      */
    UINT8_TO_STREAM  (p, dh_wake_active_mode);  /* Host Wake Active Mode    */

    nfc_hal_dm_send_bt_cmd (cmd,
                            NFC_HAL_BT_HCI_CMD_HDR_SIZE + HCI_BRCM_WRITE_SLEEP_MODE_LENGTH,
                            nfc_hal_dm_set_snooze_mode_cback);
    return (NCI_STATUS_OK);
}