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path: root/drivers/nfc/pn544_hci.c
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Diffstat (limited to 'drivers/nfc/pn544_hci.c')
-rw-r--r--drivers/nfc/pn544_hci.c73
1 files changed, 37 insertions, 36 deletions
diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c
index a176d1f7bbf3..e681da2e3413 100644
--- a/drivers/nfc/pn544_hci.c
+++ b/drivers/nfc/pn544_hci.c
@@ -29,7 +29,7 @@
#include <linux/nfc.h>
#include <net/nfc/hci.h>
-#include <net/nfc/shdlc.h>
+#include <net/nfc/llc.h>
#include <linux/nfc/pn544.h>
@@ -133,7 +133,7 @@ static struct nfc_hci_gate pn544_gates[] = {
struct pn544_hci_info {
struct i2c_client *i2c_dev;
- struct nfc_shdlc *shdlc;
+ struct nfc_hci_dev *hdev;
enum pn544_state state;
@@ -362,21 +362,21 @@ static irqreturn_t pn544_hci_irq_thread_fn(int irq, void *dev_id)
if (r == -EREMOTEIO) {
info->hard_fault = r;
- nfc_shdlc_recv_frame(info->shdlc, NULL);
+ nfc_hci_recv_frame(info->hdev, NULL);
return IRQ_HANDLED;
} else if ((r == -ENOMEM) || (r == -EBADMSG)) {
return IRQ_HANDLED;
}
- nfc_shdlc_recv_frame(info->shdlc, skb);
+ nfc_hci_recv_frame(info->hdev, skb);
return IRQ_HANDLED;
}
-static int pn544_hci_open(struct nfc_shdlc *shdlc)
+static int pn544_hci_open(struct nfc_hci_dev *hdev)
{
- struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc);
+ struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev);
int r = 0;
mutex_lock(&info->info_lock);
@@ -396,9 +396,9 @@ out:
return r;
}
-static void pn544_hci_close(struct nfc_shdlc *shdlc)
+static void pn544_hci_close(struct nfc_hci_dev *hdev)
{
- struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc);
+ struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev);
mutex_lock(&info->info_lock);
@@ -413,9 +413,8 @@ out:
mutex_unlock(&info->info_lock);
}
-static int pn544_hci_ready(struct nfc_shdlc *shdlc)
+static int pn544_hci_ready(struct nfc_hci_dev *hdev)
{
- struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
struct sk_buff *skb;
static struct hw_config {
u8 adr[2];
@@ -601,9 +600,9 @@ static void pn544_hci_remove_len_crc(struct sk_buff *skb)
skb_trim(skb, PN544_FRAME_TAILROOM);
}
-static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb)
+static int pn544_hci_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb)
{
- struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc);
+ struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev);
struct i2c_client *client = info->i2c_dev;
int r;
@@ -617,10 +616,9 @@ static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb)
return r;
}
-static int pn544_hci_start_poll(struct nfc_shdlc *shdlc,
+static int pn544_hci_start_poll(struct nfc_hci_dev *hdev,
u32 im_protocols, u32 tm_protocols)
{
- struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
u8 phases = 0;
int r;
u8 duration[2];
@@ -671,7 +669,7 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc,
return r;
}
-static int pn544_hci_target_from_gate(struct nfc_shdlc *shdlc, u8 gate,
+static int pn544_hci_target_from_gate(struct nfc_hci_dev *hdev, u8 gate,
struct nfc_target *target)
{
switch (gate) {
@@ -689,11 +687,10 @@ static int pn544_hci_target_from_gate(struct nfc_shdlc *shdlc, u8 gate,
return 0;
}
-static int pn544_hci_complete_target_discovered(struct nfc_shdlc *shdlc,
+static int pn544_hci_complete_target_discovered(struct nfc_hci_dev *hdev,
u8 gate,
struct nfc_target *target)
{
- struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
struct sk_buff *uid_skb;
int r = 0;
@@ -765,13 +762,12 @@ static void pn544_hci_data_exchange_cb(void *context, struct sk_buff *skb,
* <= 0: driver handled the data exchange
* 1: driver doesn't especially handle, please do standard processing
*/
-static int pn544_hci_data_exchange(struct nfc_shdlc *shdlc,
+static int pn544_hci_data_exchange(struct nfc_hci_dev *hdev,
struct nfc_target *target,
struct sk_buff *skb, data_exchange_cb_t cb,
void *cb_context)
{
- struct pn544_hci_info *info = nfc_shdlc_get_clientdata(shdlc);
- struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
+ struct pn544_hci_info *info = nfc_hci_get_clientdata(hdev);
pr_info(DRIVER_DESC ": %s for gate=%d\n", __func__,
target->hci_reader_gate);
@@ -824,17 +820,15 @@ static int pn544_hci_data_exchange(struct nfc_shdlc *shdlc,
}
}
-static int pn544_hci_check_presence(struct nfc_shdlc *shdlc,
+static int pn544_hci_check_presence(struct nfc_hci_dev *hdev,
struct nfc_target *target)
{
- struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc);
-
return nfc_hci_send_cmd(hdev, target->hci_reader_gate,
PN544_RF_READER_CMD_PRESENCE_CHECK,
NULL, 0, NULL);
}
-static struct nfc_shdlc_ops pn544_shdlc_ops = {
+static struct nfc_hci_ops pn544_hci_ops = {
.open = pn544_hci_open,
.close = pn544_hci_close,
.hci_ready = pn544_hci_ready,
@@ -926,23 +920,30 @@ static int __devinit pn544_hci_probe(struct i2c_client *client,
NFC_PROTO_ISO14443_B_MASK |
NFC_PROTO_NFC_DEP_MASK;
- info->shdlc = nfc_shdlc_allocate(&pn544_shdlc_ops,
- &init_data, protocols,
- PN544_FRAME_HEADROOM + PN544_CMDS_HEADROOM,
- PN544_FRAME_TAILROOM,
- PN544_HCI_LLC_MAX_PAYLOAD,
- dev_name(&client->dev));
- if (!info->shdlc) {
- dev_err(&client->dev, "Cannot allocate nfc shdlc.\n");
+ info->hdev = nfc_hci_allocate_device(&pn544_hci_ops, &init_data,
+ protocols, LLC_SHDLC_NAME,
+ PN544_FRAME_HEADROOM +
+ PN544_CMDS_HEADROOM,
+ PN544_FRAME_TAILROOM,
+ PN544_HCI_LLC_MAX_PAYLOAD);
+ if (!info->hdev) {
+ dev_err(&client->dev, "Cannot allocate nfc hdev.\n");
r = -ENOMEM;
- goto err_allocshdlc;
+ goto err_alloc_hdev;
}
- nfc_shdlc_set_clientdata(info->shdlc, info);
+ nfc_hci_set_clientdata(info->hdev, info);
+
+ r = nfc_hci_register_device(info->hdev);
+ if (r)
+ goto err_regdev;
return 0;
-err_allocshdlc:
+err_regdev:
+ nfc_hci_free_device(info->hdev);
+
+err_alloc_hdev:
free_irq(client->irq, info);
err_rti:
@@ -963,7 +964,7 @@ static __devexit int pn544_hci_remove(struct i2c_client *client)
dev_dbg(&client->dev, "%s\n", __func__);
- nfc_shdlc_free(info->shdlc);
+ nfc_hci_free_device(info->hdev);
if (info->state != PN544_ST_COLD) {
if (pdata->disable)
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-25 06:50:38 +0300