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>
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7e2afc9d07
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@ -112,6 +112,12 @@ enum pn544_state {
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#define PN544_NFC_WI_MGMT_GATE 0xA1
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#define PN544_HCI_EVT_SND_DATA 0x01
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#define PN544_HCI_EVT_ACTIVATED 0x02
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#define PN544_HCI_EVT_DEACTIVATED 0x03
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#define PN544_HCI_EVT_RCV_DATA 0x04
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#define PN544_HCI_EVT_CONTINUE_MI 0x05
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static struct nfc_hci_gate pn544_gates[] = {
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{NFC_HCI_ADMIN_GATE, NFC_HCI_INVALID_PIPE},
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{NFC_HCI_LOOPBACK_GATE, NFC_HCI_INVALID_PIPE},
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@ -897,6 +903,44 @@ static int pn544_hci_check_presence(struct nfc_hci_dev *hdev,
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NULL, 0, NULL);
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}
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void pn544_hci_event_received(struct nfc_hci_dev *hdev, u8 gate, u8 event,
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struct sk_buff *skb)
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{
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struct sk_buff *rgb_skb = NULL;
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int r = 0;
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pr_debug("hci event %d", event);
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switch (event) {
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case PN544_HCI_EVT_ACTIVATED:
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if (gate == PN544_RF_READER_NFCIP1_INITIATOR_GATE)
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nfc_hci_target_discovered(hdev, gate);
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else if (gate == PN544_RF_READER_NFCIP1_TARGET_GATE) {
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r = nfc_hci_get_param(hdev, gate, PN544_DEP_ATR_REQ,
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&rgb_skb);
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if (r < 0)
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goto exit;
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nfc_tm_activated(hdev->ndev, NFC_PROTO_NFC_DEP_MASK,
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NFC_COMM_PASSIVE, rgb_skb->data,
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rgb_skb->len);
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kfree_skb(rgb_skb);
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}
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break;
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case PN544_HCI_EVT_DEACTIVATED:
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nfc_hci_send_event(hdev, gate,
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NFC_HCI_EVT_END_OPERATION, NULL, 0);
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break;
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default:
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break;
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}
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exit:
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kfree_skb(skb);
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}
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static struct nfc_hci_ops pn544_hci_ops = {
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.open = pn544_hci_open,
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.close = pn544_hci_close,
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@ -907,6 +951,7 @@ static struct nfc_hci_ops pn544_hci_ops = {
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.complete_target_discovered = pn544_hci_complete_target_discovered,
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.data_exchange = pn544_hci_data_exchange,
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.check_presence = pn544_hci_check_presence,
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.event_received = pn544_hci_event_received,
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};
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static int __devinit pn544_hci_probe(struct i2c_client *client,
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@ -47,6 +47,8 @@ struct nfc_hci_ops {
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data_exchange_cb_t cb, void *cb_context);
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int (*check_presence)(struct nfc_hci_dev *hdev,
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struct nfc_target *target);
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void (*event_received)(struct nfc_hci_dev *hdev, u8 gate, u8 event,
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struct sk_buff *skb);
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};
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/* Pipes */
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@ -222,5 +224,6 @@ int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response,
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const u8 *param, size_t param_len);
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int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event,
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const u8 *param, size_t param_len);
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int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate);
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#endif /* __NET_HCI_H */
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@ -182,7 +182,7 @@ static u32 nfc_hci_sak_to_protocol(u8 sak)
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}
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}
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static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
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int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate)
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{
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struct nfc_target *targets;
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struct sk_buff *atqa_skb = NULL;
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@ -275,6 +275,7 @@ exit:
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return r;
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}
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EXPORT_SYMBOL(nfc_hci_target_discovered);
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void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
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struct sk_buff *skb)
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@ -307,8 +308,13 @@ void nfc_hci_event_received(struct nfc_hci_dev *hdev, u8 pipe, u8 event,
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nfc_hci_pipe2gate(hdev, pipe));
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break;
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default:
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/* TODO: Unknown events are hardware specific
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* pass them to the driver (needs a new hci_ops) */
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if (hdev->ops->event_received) {
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hdev->ops->event_received(hdev,
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nfc_hci_pipe2gate(hdev, pipe),
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event, skb);
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return;
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}
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break;
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}
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