diff options
| author | Arron Wang <arron.wang@intel.com> | 2012-09-27 17:32:56 +0800 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-10-26 18:26:45 +0200 |
| commit | 928326f2237d2dd62b2fb9374c655cd906549868 (patch) | |
| tree | 7ea03fcbcf40317ccb3cf0258be1323c197238c5 | |
| parent | f7a5f6c532f33ba66a7ca19e81ed447a83dab2db (diff) | |
NFC: Handle pn544 continue activation
We need to send continue activation command to allow NFCIP-1
activation when a NFC target has been discovered in type A or
type F reader gate.
Signed-off-by: Arron Wang <arron.wang@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
| -rw-r--r-- | drivers/nfc/pn544_hci.c | 28 | ||||
| -rw-r--r-- | net/nfc/hci/core.c | 4 |
2 files changed, 30 insertions, 2 deletions
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c index d81242f4a92..6d564bd8b3b 100644 --- a/drivers/nfc/pn544_hci.c +++ b/drivers/nfc/pn544_hci.c @@ -118,6 +118,8 @@ enum pn544_state { #define PN544_HCI_EVT_RCV_DATA 0x04 #define PN544_HCI_EVT_CONTINUE_MI 0x05 +#define PN544_HCI_CMD_CONTINUE_ACTIVATION 0x13 + static struct nfc_hci_gate pn544_gates[] = { {NFC_HCI_ADMIN_GATE, NFC_HCI_INVALID_PIPE}, {NFC_HCI_LOOPBACK_GATE, NFC_HCI_INVALID_PIPE}, @@ -755,6 +757,9 @@ static int pn544_hci_target_from_gate(struct nfc_hci_dev *hdev, u8 gate, target->supported_protocols = NFC_PROTO_JEWEL_MASK; target->sens_res = 0x0c00; break; + case PN544_RF_READER_NFCIP1_INITIATOR_GATE: + target->supported_protocols = NFC_PROTO_NFC_DEP_MASK; + break; default: return -EPROTO; } @@ -769,7 +774,18 @@ static int pn544_hci_complete_target_discovered(struct nfc_hci_dev *hdev, struct sk_buff *uid_skb; int r = 0; - if (target->supported_protocols & NFC_PROTO_MIFARE_MASK) { + if (gate == PN544_RF_READER_NFCIP1_INITIATOR_GATE) + return r; + + if (target->supported_protocols & NFC_PROTO_NFC_DEP_MASK) { + r = nfc_hci_send_cmd(hdev, + PN544_RF_READER_NFCIP1_INITIATOR_GATE, + PN544_HCI_CMD_CONTINUE_ACTIVATION, NULL, 0, NULL); + if (r < 0) + return r; + + target->hci_reader_gate = PN544_RF_READER_NFCIP1_INITIATOR_GATE; + } else if (target->supported_protocols & NFC_PROTO_MIFARE_MASK) { if (target->nfcid1_len != 4 && target->nfcid1_len != 7 && target->nfcid1_len != 10) return -EPROTO; @@ -792,6 +808,16 @@ static int pn544_hci_complete_target_discovered(struct nfc_hci_dev *hdev, PN544_RF_READER_CMD_ACTIVATE_NEXT, uid_skb->data, uid_skb->len, NULL); kfree_skb(uid_skb); + + r = nfc_hci_send_cmd(hdev, + PN544_RF_READER_NFCIP1_INITIATOR_GATE, + PN544_HCI_CMD_CONTINUE_ACTIVATION, + NULL, 0, NULL); + if (r < 0) + return r; + + target->hci_reader_gate = PN544_RF_READER_NFCIP1_INITIATOR_GATE; + target->supported_protocols = NFC_PROTO_NFC_DEP_MASK; } else if (target->supported_protocols & NFC_PROTO_ISO14443_MASK) { /* * TODO: maybe other ISO 14443 require some kind of continue diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index 8a9a811b558..052a0a27ac1 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -263,7 +263,9 @@ int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate) break; } - targets->hci_reader_gate = gate; + /* if driver set the new gate, we will skip the old one */ + if (targets->hci_reader_gate == 0x00) + targets->hci_reader_gate = gate; r = nfc_targets_found(hdev->ndev, targets, 1); |