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authorSamuel Ortiz <sameo@linux.intel.com>2012-05-15 15:57:06 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2012-06-04 21:34:29 +0200
commitfe7c580073280c15bb4eb4f82bf20dddc1a68383 (patch)
tree0b71c488d1b3cdd87dd5e05ccd0224b496fec2f9 /drivers/nfc
parentab73b751303bc60d7d9fba875c958dedfe14754c (diff)
downloadop-kernel-dev-fe7c580073280c15bb4eb4f82bf20dddc1a68383.zip
op-kernel-dev-fe7c580073280c15bb4eb4f82bf20dddc1a68383.tar.gz
NFC: Add target mode protocols to the polling loop startup routine
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/pn533.c39
-rw-r--r--drivers/nfc/pn544_hci.c10
2 files changed, 35 insertions, 14 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 19110f0..38a523c 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -1078,27 +1078,23 @@ stop_poll:
return 0;
}
-static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 protocols)
+static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols)
+{
+ return 0;
+}
+
+static int pn533_start_im_poll(struct nfc_dev *nfc_dev, u32 protocols)
{
struct pn533 *dev = nfc_get_drvdata(nfc_dev);
struct pn533_poll_modulations *start_mod;
int rc;
- nfc_dev_dbg(&dev->interface->dev, "%s - protocols=0x%x", __func__,
- protocols);
-
if (dev->poll_mod_count) {
nfc_dev_err(&dev->interface->dev, "Polling operation already"
" active");
return -EBUSY;
}
- if (dev->tgt_active_prot) {
- nfc_dev_err(&dev->interface->dev, "Cannot poll with a target"
- " already activated");
- return -EBUSY;
- }
-
pn533_poll_create_mod_list(dev, protocols);
if (!dev->poll_mod_count) {
@@ -1135,6 +1131,29 @@ error:
return rc;
}
+static int pn533_start_poll(struct nfc_dev *nfc_dev,
+ u32 im_protocols, u32 tm_protocols)
+{
+ struct pn533 *dev = nfc_get_drvdata(nfc_dev);
+
+ nfc_dev_dbg(&dev->interface->dev,
+ "%s: im protocols 0x%x tm protocols 0x%x",
+ __func__, im_protocols, tm_protocols);
+
+ if (dev->tgt_active_prot) {
+ nfc_dev_err(&dev->interface->dev,
+ "Cannot poll with a target already activated");
+ return -EBUSY;
+ }
+
+ if (!tm_protocols)
+ return pn533_start_im_poll(nfc_dev, im_protocols);
+ else if (!im_protocols)
+ return pn533_init_target(nfc_dev, tm_protocols);
+ else
+ return -EINVAL;
+}
+
static void pn533_stop_poll(struct nfc_dev *nfc_dev)
{
struct pn533 *dev = nfc_get_drvdata(nfc_dev);
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c
index 281f18c..457eac3 100644
--- a/drivers/nfc/pn544_hci.c
+++ b/drivers/nfc/pn544_hci.c
@@ -576,7 +576,8 @@ static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb)
return pn544_hci_i2c_write(client, skb->data, skb->len);
}
-static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
+static int pn544_hci_start_poll(struct nfc_shdlc *shdlc,
+ u32 im_protocols, u32 tm_protocols)
{
struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
u8 phases = 0;
@@ -584,7 +585,8 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
u8 duration[2];
u8 activated;
- pr_info(DRIVER_DESC ": %s protocols = %d\n", __func__, protocols);
+ pr_info(DRIVER_DESC ": %s protocols 0x%x 0x%x\n",
+ __func__, im_protocols, tm_protocols);
r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE,
NFC_HCI_EVT_END_OPERATION, NULL, 0);
@@ -604,10 +606,10 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols)
if (r < 0)
return r;
- if (protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
+ if (im_protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK |
NFC_PROTO_JEWEL_MASK))
phases |= 1; /* Type A */
- if (protocols & NFC_PROTO_FELICA_MASK) {
+ if (im_protocols & NFC_PROTO_FELICA_MASK) {
phases |= (1 << 2); /* Type F 212 */
phases |= (1 << 3); /* Type F 424 */
}
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