diff options
| author | Arron Wang <arron.wang@intel.com> | 2012-09-27 13:32:58 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-10-26 20:26:46 +0400 |
| commit | e81076235b46189a776362ec5e4c6626bf1599ff (patch) | |
| tree | f1623677ef0202907a94ef32ee52b928b9aa36f8 /drivers/nfc | |
| parent | c40d17401f89f575a6ff5774abaa0838398b820c (diff) | |
| download | linux-e81076235b46189a776362ec5e4c6626bf1599ff.tar.xz | |
NFC: Implement HCI DEP send and receive data
And implement the corresponding hooks for pn544.
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/pn544_hci.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c index 4ed2b8356017..554faf0a92d7 100644 --- a/drivers/nfc/pn544_hci.c +++ b/drivers/nfc/pn544_hci.c @@ -900,7 +900,7 @@ static void pn544_hci_data_exchange_cb(void *context, struct sk_buff *skb, * <= 0: driver handled the data exchange * 1: driver doesn't especially handle, please do standard processing */ -static int pn544_hci_data_exchange(struct nfc_hci_dev *hdev, +static int pn544_hci_im_transceive(struct nfc_hci_dev *hdev, struct nfc_target *target, struct sk_buff *skb, data_exchange_cb_t cb, void *cb_context) @@ -953,11 +953,26 @@ static int pn544_hci_data_exchange(struct nfc_hci_dev *hdev, return nfc_hci_send_cmd_async(hdev, target->hci_reader_gate, PN544_JEWEL_RAW_CMD, skb->data, skb->len, cb, cb_context); + case PN544_RF_READER_NFCIP1_INITIATOR_GATE: + *skb_push(skb, 1) = 0; + + return nfc_hci_send_event(hdev, target->hci_reader_gate, + PN544_HCI_EVT_SND_DATA, skb->data, + skb->len); default: return 1; } } +static int pn544_hci_tm_send(struct nfc_hci_dev *hdev, struct sk_buff *skb) +{ + /* Set default false for multiple information chaining */ + *skb_push(skb, 1) = 0; + + return nfc_hci_send_event(hdev, PN544_RF_READER_NFCIP1_TARGET_GATE, + PN544_HCI_EVT_SND_DATA, skb->data, skb->len); +} + static int pn544_hci_check_presence(struct nfc_hci_dev *hdev, struct nfc_target *target) { @@ -996,6 +1011,22 @@ void pn544_hci_event_received(struct nfc_hci_dev *hdev, u8 gate, u8 event, nfc_hci_send_event(hdev, gate, NFC_HCI_EVT_END_OPERATION, NULL, 0); break; + case PN544_HCI_EVT_RCV_DATA: + if (skb->len < 2) { + r = -EPROTO; + goto exit; + } + + if (skb->data[0] != 0) { + pr_debug("data0 %d", skb->data[0]); + r = -EPROTO; + goto exit; + } + + skb_pull(skb, 2); + nfc_tm_data_received(hdev->ndev, skb); + + return; default: break; } @@ -1014,7 +1045,8 @@ static struct nfc_hci_ops pn544_hci_ops = { .dep_link_down = pn544_hci_dep_link_down, .target_from_gate = pn544_hci_target_from_gate, .complete_target_discovered = pn544_hci_complete_target_discovered, - .data_exchange = pn544_hci_data_exchange, + .im_transceive = pn544_hci_im_transceive, + .tm_send = pn544_hci_tm_send, .check_presence = pn544_hci_check_presence, .event_received = pn544_hci_event_received, }; |