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authorArron Wang <arron.wang@intel.com>2012-09-27 17:32:55 +0800
committerSamuel Ortiz <sameo@linux.intel.com>2012-10-26 18:26:45 +0200
commitf7a5f6c532f33ba66a7ca19e81ed447a83dab2db (patch)
tree6ac75749971e6870a0a8fbbf059fcca2af9ee55b /drivers/nfc
parent7e2afc9d072b9f84b314b208a125c2b1ce36b685 (diff)
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NFC: Pass hardware specific HCI event to driver
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.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c
index 8b21a8efd75..d81242f4a92 100644
--- a/drivers/nfc/pn544_hci.c
+++ b/drivers/nfc/pn544_hci.c
@@ -112,6 +112,12 @@ enum pn544_state {
#define PN544_NFC_WI_MGMT_GATE 0xA1
+#define PN544_HCI_EVT_SND_DATA 0x01
+#define PN544_HCI_EVT_ACTIVATED 0x02
+#define PN544_HCI_EVT_DEACTIVATED 0x03
+#define PN544_HCI_EVT_RCV_DATA 0x04
+#define PN544_HCI_EVT_CONTINUE_MI 0x05
+
static struct nfc_hci_gate pn544_gates[] = {
{NFC_HCI_ADMIN_GATE, NFC_HCI_INVALID_PIPE},
{NFC_HCI_LOOPBACK_GATE, NFC_HCI_INVALID_PIPE},
@@ -897,6 +903,44 @@ static int pn544_hci_check_presence(struct nfc_hci_dev *hdev,
NULL, 0, NULL);
}
+void pn544_hci_event_received(struct nfc_hci_dev *hdev, u8 gate, u8 event,
+ struct sk_buff *skb)
+{
+ struct sk_buff *rgb_skb = NULL;
+ int r = 0;
+
+ pr_debug("hci event %d", event);
+ switch (event) {
+ case PN544_HCI_EVT_ACTIVATED:
+ if (gate == PN544_RF_READER_NFCIP1_INITIATOR_GATE)
+ nfc_hci_target_discovered(hdev, gate);
+ else if (gate == PN544_RF_READER_NFCIP1_TARGET_GATE) {
+ r = nfc_hci_get_param(hdev, gate, PN544_DEP_ATR_REQ,
+ &rgb_skb);
+
+ if (r < 0)
+ goto exit;
+
+ nfc_tm_activated(hdev->ndev, NFC_PROTO_NFC_DEP_MASK,
+ NFC_COMM_PASSIVE, rgb_skb->data,
+ rgb_skb->len);
+
+ kfree_skb(rgb_skb);
+ }
+
+ break;
+ case PN544_HCI_EVT_DEACTIVATED:
+ nfc_hci_send_event(hdev, gate,
+ NFC_HCI_EVT_END_OPERATION, NULL, 0);
+ break;
+ default:
+ break;
+ }
+
+exit:
+ kfree_skb(skb);
+}
+
static struct nfc_hci_ops pn544_hci_ops = {
.open = pn544_hci_open,
.close = pn544_hci_close,
@@ -907,6 +951,7 @@ static struct nfc_hci_ops pn544_hci_ops = {
.complete_target_discovered = pn544_hci_complete_target_discovered,
.data_exchange = pn544_hci_data_exchange,
.check_presence = pn544_hci_check_presence,
+ .event_received = pn544_hci_event_received,
};
static int __devinit pn544_hci_probe(struct i2c_client *client,