diff options
author | Christophe Ricard <christophe.ricard@gmail.com> | 2015-10-25 22:54:18 +0100 |
---|---|---|
committer | Samuel Ortiz <sameo@linux.intel.com> | 2015-10-26 06:53:00 +0100 |
commit | 1c54795da05a792e495387317240625696d37abd (patch) | |
tree | 53fbfe14866a969d8bed095eae0c0b2e0f8e6e91 /drivers/nfc/st21nfca/st21nfca_dep.c | |
parent | e67e7e596f3ff19fb90520be9f2130aa54914181 (diff) |
NFC: st21nfca: Align st21nfca driver with other nfc driver
Align st21nfca driver with or nfc driver:
- Remove st21nfca_ prefix
- Merge st21nfca_se.h, st21nfca_dep.h in st21nfca.h
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc/st21nfca/st21nfca_dep.c')
-rw-r--r-- | drivers/nfc/st21nfca/st21nfca_dep.c | 689 |
1 files changed, 0 insertions, 689 deletions
diff --git a/drivers/nfc/st21nfca/st21nfca_dep.c b/drivers/nfc/st21nfca/st21nfca_dep.c deleted file mode 100644 index 8882181d65de..000000000000 --- a/drivers/nfc/st21nfca/st21nfca_dep.c +++ /dev/null @@ -1,689 +0,0 @@ -/* - * Copyright (C) 2014 STMicroelectronics SAS. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include <net/nfc/hci.h> - -#include "st21nfca.h" -#include "st21nfca_dep.h" - -#define ST21NFCA_NFCIP1_INITIATOR 0x00 -#define ST21NFCA_NFCIP1_REQ 0xd4 -#define ST21NFCA_NFCIP1_RES 0xd5 -#define ST21NFCA_NFCIP1_ATR_REQ 0x00 -#define ST21NFCA_NFCIP1_ATR_RES 0x01 -#define ST21NFCA_NFCIP1_PSL_REQ 0x04 -#define ST21NFCA_NFCIP1_PSL_RES 0x05 -#define ST21NFCA_NFCIP1_DEP_REQ 0x06 -#define ST21NFCA_NFCIP1_DEP_RES 0x07 - -#define ST21NFCA_NFC_DEP_PFB_PNI(pfb) ((pfb) & 0x03) -#define ST21NFCA_NFC_DEP_PFB_TYPE(pfb) ((pfb) & 0xE0) -#define ST21NFCA_NFC_DEP_PFB_IS_TIMEOUT(pfb) \ - ((pfb) & ST21NFCA_NFC_DEP_PFB_TIMEOUT_BIT) -#define ST21NFCA_NFC_DEP_DID_BIT_SET(pfb) ((pfb) & 0x04) -#define ST21NFCA_NFC_DEP_NAD_BIT_SET(pfb) ((pfb) & 0x08) -#define ST21NFCA_NFC_DEP_PFB_TIMEOUT_BIT 0x10 - -#define ST21NFCA_NFC_DEP_PFB_IS_TIMEOUT(pfb) \ - ((pfb) & ST21NFCA_NFC_DEP_PFB_TIMEOUT_BIT) - -#define ST21NFCA_NFC_DEP_PFB_I_PDU 0x00 -#define ST21NFCA_NFC_DEP_PFB_ACK_NACK_PDU 0x40 -#define ST21NFCA_NFC_DEP_PFB_SUPERVISOR_PDU 0x80 - -#define ST21NFCA_ATR_REQ_MIN_SIZE 17 -#define ST21NFCA_ATR_REQ_MAX_SIZE 65 -#define ST21NFCA_LR_BITS_PAYLOAD_SIZE_254B 0x30 -#define ST21NFCA_GB_BIT 0x02 - -#define ST21NFCA_EVT_SEND_DATA 0x10 -#define ST21NFCA_EVT_FIELD_ON 0x11 -#define ST21NFCA_EVT_CARD_DEACTIVATED 0x12 -#define ST21NFCA_EVT_CARD_ACTIVATED 0x13 -#define ST21NFCA_EVT_FIELD_OFF 0x14 - -#define ST21NFCA_EVT_CARD_F_BITRATE 0x16 -#define ST21NFCA_EVT_READER_F_BITRATE 0x13 -#define ST21NFCA_PSL_REQ_SEND_SPEED(brs) (brs & 0x38) -#define ST21NFCA_PSL_REQ_RECV_SPEED(brs) (brs & 0x07) -#define ST21NFCA_PP2LRI(pp) ((pp & 0x30) >> 4) -#define ST21NFCA_CARD_BITRATE_212 0x01 -#define ST21NFCA_CARD_BITRATE_424 0x02 - -#define ST21NFCA_DEFAULT_TIMEOUT 0x0a - - -#define PROTOCOL_ERR(req) pr_err("%d: ST21NFCA Protocol error: %s\n", \ - __LINE__, req) - -struct st21nfca_atr_req { - u8 length; - u8 cmd0; - u8 cmd1; - u8 nfcid3[NFC_NFCID3_MAXSIZE]; - u8 did; - u8 bsi; - u8 bri; - u8 ppi; - u8 gbi[0]; -} __packed; - -struct st21nfca_atr_res { - u8 length; - u8 cmd0; - u8 cmd1; - u8 nfcid3[NFC_NFCID3_MAXSIZE]; - u8 did; - u8 bsi; - u8 bri; - u8 to; - u8 ppi; - u8 gbi[0]; -} __packed; - -struct st21nfca_psl_req { - u8 length; - u8 cmd0; - u8 cmd1; - u8 did; - u8 brs; - u8 fsl; -} __packed; - -struct st21nfca_psl_res { - u8 length; - u8 cmd0; - u8 cmd1; - u8 did; -} __packed; - -struct st21nfca_dep_req_res { - u8 length; - u8 cmd0; - u8 cmd1; - u8 pfb; - u8 did; - u8 nad; -} __packed; - -static void st21nfca_tx_work(struct work_struct *work) -{ - struct st21nfca_hci_info *info = container_of(work, - struct st21nfca_hci_info, - dep_info.tx_work); - - struct nfc_dev *dev; - struct sk_buff *skb; - - if (info) { - dev = info->hdev->ndev; - skb = info->dep_info.tx_pending; - - device_lock(&dev->dev); - - nfc_hci_send_cmd_async(info->hdev, ST21NFCA_RF_READER_F_GATE, - ST21NFCA_WR_XCHG_DATA, skb->data, skb->len, - info->async_cb, info); - device_unlock(&dev->dev); - kfree_skb(skb); - } -} - -static void st21nfca_im_send_pdu(struct st21nfca_hci_info *info, - struct sk_buff *skb) -{ - info->dep_info.tx_pending = skb; - schedule_work(&info->dep_info.tx_work); -} - -static int st21nfca_tm_send_atr_res(struct nfc_hci_dev *hdev, - struct st21nfca_atr_req *atr_req) -{ - struct st21nfca_atr_res *atr_res; - struct sk_buff *skb; - size_t gb_len; - int r; - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - gb_len = atr_req->length - sizeof(struct st21nfca_atr_req); - skb = alloc_skb(atr_req->length + 1, GFP_KERNEL); - if (!skb) - return -ENOMEM; - - skb_put(skb, sizeof(struct st21nfca_atr_res)); - - atr_res = (struct st21nfca_atr_res *)skb->data; - memset(atr_res, 0, sizeof(struct st21nfca_atr_res)); - - atr_res->length = atr_req->length + 1; - atr_res->cmd0 = ST21NFCA_NFCIP1_RES; - atr_res->cmd1 = ST21NFCA_NFCIP1_ATR_RES; - - memcpy(atr_res->nfcid3, atr_req->nfcid3, 6); - atr_res->bsi = 0x00; - atr_res->bri = 0x00; - atr_res->to = ST21NFCA_DEFAULT_TIMEOUT; - atr_res->ppi = ST21NFCA_LR_BITS_PAYLOAD_SIZE_254B; - - if (gb_len) { - skb_put(skb, gb_len); - - atr_res->ppi |= ST21NFCA_GB_BIT; - memcpy(atr_res->gbi, atr_req->gbi, gb_len); - r = nfc_set_remote_general_bytes(hdev->ndev, atr_res->gbi, - gb_len); - if (r < 0) - return r; - } - - info->dep_info.curr_nfc_dep_pni = 0; - - r = nfc_hci_send_event(hdev, ST21NFCA_RF_CARD_F_GATE, - ST21NFCA_EVT_SEND_DATA, skb->data, skb->len); - kfree_skb(skb); - return r; -} - -static int st21nfca_tm_recv_atr_req(struct nfc_hci_dev *hdev, - struct sk_buff *skb) -{ - struct st21nfca_atr_req *atr_req; - size_t gb_len; - int r; - - skb_trim(skb, skb->len - 1); - - if (!skb->len) { - r = -EIO; - goto exit; - } - - if (skb->len < ST21NFCA_ATR_REQ_MIN_SIZE) { - r = -EPROTO; - goto exit; - } - - atr_req = (struct st21nfca_atr_req *)skb->data; - - if (atr_req->length < sizeof(struct st21nfca_atr_req)) { - r = -EPROTO; - goto exit; - } - - r = st21nfca_tm_send_atr_res(hdev, atr_req); - if (r) - goto exit; - - gb_len = skb->len - sizeof(struct st21nfca_atr_req); - - r = nfc_tm_activated(hdev->ndev, NFC_PROTO_NFC_DEP_MASK, - NFC_COMM_PASSIVE, atr_req->gbi, gb_len); - if (r) - goto exit; - - r = 0; - -exit: - return r; -} - -static int st21nfca_tm_send_psl_res(struct nfc_hci_dev *hdev, - struct st21nfca_psl_req *psl_req) -{ - struct st21nfca_psl_res *psl_res; - struct sk_buff *skb; - u8 bitrate[2] = {0, 0}; - int r; - - skb = alloc_skb(sizeof(struct st21nfca_psl_res), GFP_KERNEL); - if (!skb) - return -ENOMEM; - skb_put(skb, sizeof(struct st21nfca_psl_res)); - - psl_res = (struct st21nfca_psl_res *)skb->data; - - psl_res->length = sizeof(struct st21nfca_psl_res); - psl_res->cmd0 = ST21NFCA_NFCIP1_RES; - psl_res->cmd1 = ST21NFCA_NFCIP1_PSL_RES; - psl_res->did = psl_req->did; - - r = nfc_hci_send_event(hdev, ST21NFCA_RF_CARD_F_GATE, - ST21NFCA_EVT_SEND_DATA, skb->data, skb->len); - if (r < 0) - goto error; - - /* - * ST21NFCA only support P2P passive. - * PSL_REQ BRS value != 0 has only a meaning to - * change technology to type F. - * We change to BITRATE 424Kbits. - * In other case switch to BITRATE 106Kbits. - */ - if (ST21NFCA_PSL_REQ_SEND_SPEED(psl_req->brs) && - ST21NFCA_PSL_REQ_RECV_SPEED(psl_req->brs)) { - bitrate[0] = ST21NFCA_CARD_BITRATE_424; - bitrate[1] = ST21NFCA_CARD_BITRATE_424; - } - - /* Send an event to change bitrate change event to card f */ - r = nfc_hci_send_event(hdev, ST21NFCA_RF_CARD_F_GATE, - ST21NFCA_EVT_CARD_F_BITRATE, bitrate, 2); -error: - kfree_skb(skb); - return r; -} - -static int st21nfca_tm_recv_psl_req(struct nfc_hci_dev *hdev, - struct sk_buff *skb) -{ - struct st21nfca_psl_req *psl_req; - int r; - - skb_trim(skb, skb->len - 1); - - if (!skb->len) { - r = -EIO; - goto exit; - } - - psl_req = (struct st21nfca_psl_req *)skb->data; - - if (skb->len < sizeof(struct st21nfca_psl_req)) { - r = -EIO; - goto exit; - } - - r = st21nfca_tm_send_psl_res(hdev, psl_req); -exit: - return r; -} - -int st21nfca_tm_send_dep_res(struct nfc_hci_dev *hdev, struct sk_buff *skb) -{ - int r; - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - *skb_push(skb, 1) = info->dep_info.curr_nfc_dep_pni; - *skb_push(skb, 1) = ST21NFCA_NFCIP1_DEP_RES; - *skb_push(skb, 1) = ST21NFCA_NFCIP1_RES; - *skb_push(skb, 1) = skb->len; - - r = nfc_hci_send_event(hdev, ST21NFCA_RF_CARD_F_GATE, - ST21NFCA_EVT_SEND_DATA, skb->data, skb->len); - kfree_skb(skb); - - return r; -} -EXPORT_SYMBOL(st21nfca_tm_send_dep_res); - -static int st21nfca_tm_recv_dep_req(struct nfc_hci_dev *hdev, - struct sk_buff *skb) -{ - struct st21nfca_dep_req_res *dep_req; - u8 size; - int r; - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - skb_trim(skb, skb->len - 1); - - size = 4; - - dep_req = (struct st21nfca_dep_req_res *)skb->data; - if (skb->len < size) { - r = -EIO; - goto exit; - } - - if (ST21NFCA_NFC_DEP_DID_BIT_SET(dep_req->pfb)) - size++; - if (ST21NFCA_NFC_DEP_NAD_BIT_SET(dep_req->pfb)) - size++; - - if (skb->len < size) { - r = -EIO; - goto exit; - } - - /* Receiving DEP_REQ - Decoding */ - switch (ST21NFCA_NFC_DEP_PFB_TYPE(dep_req->pfb)) { - case ST21NFCA_NFC_DEP_PFB_I_PDU: - info->dep_info.curr_nfc_dep_pni = - ST21NFCA_NFC_DEP_PFB_PNI(dep_req->pfb); - break; - case ST21NFCA_NFC_DEP_PFB_ACK_NACK_PDU: - pr_err("Received a ACK/NACK PDU\n"); - break; - case ST21NFCA_NFC_DEP_PFB_SUPERVISOR_PDU: - pr_err("Received a SUPERVISOR PDU\n"); - break; - } - - skb_pull(skb, size); - - return nfc_tm_data_received(hdev->ndev, skb); -exit: - return r; -} - -static int st21nfca_tm_event_send_data(struct nfc_hci_dev *hdev, - struct sk_buff *skb) -{ - u8 cmd0, cmd1; - int r; - - cmd0 = skb->data[1]; - switch (cmd0) { - case ST21NFCA_NFCIP1_REQ: - cmd1 = skb->data[2]; - switch (cmd1) { - case ST21NFCA_NFCIP1_ATR_REQ: - r = st21nfca_tm_recv_atr_req(hdev, skb); - break; - case ST21NFCA_NFCIP1_PSL_REQ: - r = st21nfca_tm_recv_psl_req(hdev, skb); - break; - case ST21NFCA_NFCIP1_DEP_REQ: - r = st21nfca_tm_recv_dep_req(hdev, skb); - break; - default: - return 1; - } - default: - return 1; - } - return r; -} - -/* - * Returns: - * <= 0: driver handled the event, skb consumed - * 1: driver does not handle the event, please do standard processing - */ -int st21nfca_dep_event_received(struct nfc_hci_dev *hdev, - u8 event, struct sk_buff *skb) -{ - int r = 0; - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - pr_debug("dep event: %d\n", event); - - switch (event) { - case ST21NFCA_EVT_CARD_ACTIVATED: - info->dep_info.curr_nfc_dep_pni = 0; - break; - case ST21NFCA_EVT_CARD_DEACTIVATED: - break; - case ST21NFCA_EVT_FIELD_ON: - break; - case ST21NFCA_EVT_FIELD_OFF: - break; - case ST21NFCA_EVT_SEND_DATA: - r = st21nfca_tm_event_send_data(hdev, skb); - if (r < 0) - return r; - return 0; - default: - return 1; - } - kfree_skb(skb); - return r; -} -EXPORT_SYMBOL(st21nfca_dep_event_received); - -static void st21nfca_im_send_psl_req(struct nfc_hci_dev *hdev, u8 did, u8 bsi, - u8 bri, u8 lri) -{ - struct sk_buff *skb; - struct st21nfca_psl_req *psl_req; - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - skb = - alloc_skb(sizeof(struct st21nfca_psl_req) + 1, GFP_KERNEL); - if (!skb) - return; - skb_reserve(skb, 1); - - skb_put(skb, sizeof(struct st21nfca_psl_req)); - psl_req = (struct st21nfca_psl_req *) skb->data; - - psl_req->length = sizeof(struct st21nfca_psl_req); - psl_req->cmd0 = ST21NFCA_NFCIP1_REQ; - psl_req->cmd1 = ST21NFCA_NFCIP1_PSL_REQ; - psl_req->did = did; - psl_req->brs = (0x30 & bsi << 4) | (bri & 0x03); - psl_req->fsl = lri; - - *skb_push(skb, 1) = info->dep_info.to | 0x10; - - st21nfca_im_send_pdu(info, skb); -} - -#define ST21NFCA_CB_TYPE_READER_F 1 -static void st21nfca_im_recv_atr_res_cb(void *context, struct sk_buff *skb, - int err) -{ - struct st21nfca_hci_info *info = context; - struct st21nfca_atr_res *atr_res; - int r; - - if (err != 0) - return; - - if (!skb) - return; - - switch (info->async_cb_type) { - case ST21NFCA_CB_TYPE_READER_F: - skb_trim(skb, skb->len - 1); - atr_res = (struct st21nfca_atr_res *)skb->data; - r = nfc_set_remote_general_bytes(info->hdev->ndev, - atr_res->gbi, - skb->len - sizeof(struct st21nfca_atr_res)); - if (r < 0) - return; - - if (atr_res->to >= 0x0e) - info->dep_info.to = 0x0e; - else - info->dep_info.to = atr_res->to + 1; - - info->dep_info.to |= 0x10; - - r = nfc_dep_link_is_up(info->hdev->ndev, info->dep_info.idx, - NFC_COMM_PASSIVE, NFC_RF_INITIATOR); - if (r < 0) - return; - - info->dep_info.curr_nfc_dep_pni = 0; - if (ST21NFCA_PP2LRI(atr_res->ppi) != info->dep_info.lri) - st21nfca_im_send_psl_req(info->hdev, atr_res->did, - atr_res->bsi, atr_res->bri, - ST21NFCA_PP2LRI(atr_res->ppi)); - break; - default: - kfree_skb(skb); - break; - } -} - -int st21nfca_im_send_atr_req(struct nfc_hci_dev *hdev, u8 *gb, size_t gb_len) -{ - struct sk_buff *skb; - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - struct st21nfca_atr_req *atr_req; - struct nfc_target *target; - uint size; - - info->dep_info.to = ST21NFCA_DEFAULT_TIMEOUT; - size = ST21NFCA_ATR_REQ_MIN_SIZE + gb_len; - if (size > ST21NFCA_ATR_REQ_MAX_SIZE) { - PROTOCOL_ERR("14.6.1.1"); - return -EINVAL; - } - - skb = - alloc_skb(sizeof(struct st21nfca_atr_req) + gb_len + 1, GFP_KERNEL); - if (!skb) - return -ENOMEM; - - skb_reserve(skb, 1); - - skb_put(skb, sizeof(struct st21nfca_atr_req)); - - atr_req = (struct st21nfca_atr_req *)skb->data; - memset(atr_req, 0, sizeof(struct st21nfca_atr_req)); - - atr_req->cmd0 = ST21NFCA_NFCIP1_REQ; - atr_req->cmd1 = ST21NFCA_NFCIP1_ATR_REQ; - memset(atr_req->nfcid3, 0, NFC_NFCID3_MAXSIZE); - target = hdev->ndev->targets; - - if (target->sensf_res_len > 0) - memcpy(atr_req->nfcid3, target->sensf_res, - target->sensf_res_len); - else - get_random_bytes(atr_req->nfcid3, NFC_NFCID3_MAXSIZE); - - atr_req->did = 0x0; - - atr_req->bsi = 0x00; - atr_req->bri = 0x00; - atr_req->ppi = ST21NFCA_LR_BITS_PAYLOAD_SIZE_254B; - if (gb_len) { - atr_req->ppi |= ST21NFCA_GB_BIT; - memcpy(skb_put(skb, gb_len), gb, gb_len); - } - atr_req->length = sizeof(struct st21nfca_atr_req) + hdev->gb_len; - - *skb_push(skb, 1) = info->dep_info.to | 0x10; /* timeout */ - - info->async_cb_type = ST21NFCA_CB_TYPE_READER_F; - info->async_cb_context = info; - info->async_cb = st21nfca_im_recv_atr_res_cb; - info->dep_info.bri = atr_req->bri; - info->dep_info.bsi = atr_req->bsi; - info->dep_info.lri = ST21NFCA_PP2LRI(atr_req->ppi); - - return nfc_hci_send_cmd_async(hdev, ST21NFCA_RF_READER_F_GATE, - ST21NFCA_WR_XCHG_DATA, skb->data, - skb->len, info->async_cb, info); -} -EXPORT_SYMBOL(st21nfca_im_send_atr_req); - -static void st21nfca_im_recv_dep_res_cb(void *context, struct sk_buff *skb, - int err) -{ - struct st21nfca_hci_info *info = context; - struct st21nfca_dep_req_res *dep_res; - - int size; - - if (err != 0) - return; - - if (!skb) - return; - - switch (info->async_cb_type) { - case ST21NFCA_CB_TYPE_READER_F: - dep_res = (struct st21nfca_dep_req_res *)skb->data; - - size = 3; - if (skb->len < size) - goto exit; - - if (ST21NFCA_NFC_DEP_DID_BIT_SET(dep_res->pfb)) - size++; - if (ST21NFCA_NFC_DEP_NAD_BIT_SET(dep_res->pfb)) - size++; - - if (skb->len < size) - goto exit; - - skb_trim(skb, skb->len - 1); - - /* Receiving DEP_REQ - Decoding */ - switch (ST21NFCA_NFC_DEP_PFB_TYPE(dep_res->pfb)) { - case ST21NFCA_NFC_DEP_PFB_ACK_NACK_PDU: - pr_err("Received a ACK/NACK PDU\n"); - case ST21NFCA_NFC_DEP_PFB_I_PDU: - info->dep_info.curr_nfc_dep_pni = - ST21NFCA_NFC_DEP_PFB_PNI(dep_res->pfb + 1); - size++; - skb_pull(skb, size); - nfc_tm_data_received(info->hdev->ndev, skb); - break; - case ST21NFCA_NFC_DEP_PFB_SUPERVISOR_PDU: - pr_err("Received a SUPERVISOR PDU\n"); - skb_pull(skb, size); - *skb_push(skb, 1) = ST21NFCA_NFCIP1_DEP_REQ; - *skb_push(skb, 1) = ST21NFCA_NFCIP1_REQ; - *skb_push(skb, 1) = skb->len; - *skb_push(skb, 1) = info->dep_info.to | 0x10; - - st21nfca_im_send_pdu(info, skb); - break; - } - - return; - default: - break; - } - -exit: - kfree_skb(skb); -} - -int st21nfca_im_send_dep_req(struct nfc_hci_dev *hdev, struct sk_buff *skb) -{ - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - info->async_cb_type = ST21NFCA_CB_TYPE_READER_F; - info->async_cb_context = info; - info->async_cb = st21nfca_im_recv_dep_res_cb; - - *skb_push(skb, 1) = info->dep_info.curr_nfc_dep_pni; - *skb_push(skb, 1) = ST21NFCA_NFCIP1_DEP_REQ; - *skb_push(skb, 1) = ST21NFCA_NFCIP1_REQ; - *skb_push(skb, 1) = skb->len; - - *skb_push(skb, 1) = info->dep_info.to | 0x10; - - return nfc_hci_send_cmd_async(hdev, ST21NFCA_RF_READER_F_GATE, - ST21NFCA_WR_XCHG_DATA, - skb->data, skb->len, - info->async_cb, info); -} -EXPORT_SYMBOL(st21nfca_im_send_dep_req); - -void st21nfca_dep_init(struct nfc_hci_dev *hdev) -{ - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - INIT_WORK(&info->dep_info.tx_work, st21nfca_tx_work); - info->dep_info.curr_nfc_dep_pni = 0; - info->dep_info.idx = 0; - info->dep_info.to = ST21NFCA_DEFAULT_TIMEOUT; -} -EXPORT_SYMBOL(st21nfca_dep_init); - -void st21nfca_dep_deinit(struct nfc_hci_dev *hdev) -{ - struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev); - - cancel_work_sync(&info->dep_info.tx_work); -} -EXPORT_SYMBOL(st21nfca_dep_deinit); |