diff options
| author | Arron Wang <arron.wang@intel.com> | 2012-09-27 13:32:57 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-10-26 20:26:45 +0400 |
| commit | c40d17401f89f575a6ff5774abaa0838398b820c (patch) | |
| tree | b15731a619e99d60ea2f1ffd44ab08c9cdef3cb8 /drivers/nfc/pn544_hci.c | |
| parent | 928326f2237d2dd62b2fb9374c655cd906549868 (diff) | |
| download | linux-c40d17401f89f575a6ff5774abaa0838398b820c.tar.xz | |
NFC: Implement HCI DEP link up and down
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/pn544_hci.c')
| -rw-r--r-- | drivers/nfc/pn544_hci.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c index 6d564bd8b3b4..4ed2b8356017 100644 --- a/drivers/nfc/pn544_hci.c +++ b/drivers/nfc/pn544_hci.c @@ -746,6 +746,43 @@ static int pn544_hci_start_poll(struct nfc_hci_dev *hdev, return r; } +static int pn544_hci_dep_link_up(struct nfc_hci_dev *hdev, + struct nfc_target *target, u8 comm_mode, + u8 *gb, size_t gb_len) +{ + struct sk_buff *rgb_skb = NULL; + int r; + + r = nfc_hci_get_param(hdev, target->hci_reader_gate, + PN544_DEP_ATR_RES, &rgb_skb); + if (r < 0) + return r; + + if (rgb_skb->len == 0 || rgb_skb->len > NFC_GB_MAXSIZE) { + r = -EPROTO; + goto exit; + } + print_hex_dump(KERN_DEBUG, "remote gb: ", DUMP_PREFIX_OFFSET, + 16, 1, rgb_skb->data, rgb_skb->len, true); + + r = nfc_set_remote_general_bytes(hdev->ndev, rgb_skb->data, + rgb_skb->len); + + if (r == 0) + r = nfc_dep_link_is_up(hdev->ndev, target->idx, comm_mode, + NFC_RF_INITIATOR); +exit: + kfree_skb(rgb_skb); + return r; +} + +static int pn544_hci_dep_link_down(struct nfc_hci_dev *hdev) +{ + + return nfc_hci_send_event(hdev, PN544_RF_READER_NFCIP1_INITIATOR_GATE, + NFC_HCI_EVT_END_OPERATION, NULL, 0); +} + static int pn544_hci_target_from_gate(struct nfc_hci_dev *hdev, u8 gate, struct nfc_target *target) { @@ -973,6 +1010,8 @@ static struct nfc_hci_ops pn544_hci_ops = { .hci_ready = pn544_hci_ready, .xmit = pn544_hci_xmit, .start_poll = pn544_hci_start_poll, + .dep_link_up = pn544_hci_dep_link_up, + .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, |