summaryrefslogtreecommitdiffstats
path: root/include/net/nfc/nfc.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/nfc/nfc.h')
-rw-r--r--include/net/nfc/nfc.h62
1 files changed, 37 insertions, 25 deletions
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 8696b773a69..b7ca4a2a1d7 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -24,6 +24,7 @@
#ifndef __NET_NFC_H
#define __NET_NFC_H
+#include <linux/nfc.h>
#include <linux/device.h>
#include <linux/skbuff.h>
@@ -47,25 +48,28 @@ struct nfc_dev;
typedef void (*data_exchange_cb_t)(void *context, struct sk_buff *skb,
int err);
+struct nfc_target;
+
struct nfc_ops {
int (*dev_up)(struct nfc_dev *dev);
int (*dev_down)(struct nfc_dev *dev);
int (*start_poll)(struct nfc_dev *dev, u32 protocols);
void (*stop_poll)(struct nfc_dev *dev);
- int (*dep_link_up)(struct nfc_dev *dev, int target_idx,
- u8 comm_mode, u8 rf_mode);
+ int (*dep_link_up)(struct nfc_dev *dev, struct nfc_target *target,
+ u8 comm_mode, u8 *gb, size_t gb_len);
int (*dep_link_down)(struct nfc_dev *dev);
- int (*activate_target)(struct nfc_dev *dev, u32 target_idx,
- u32 protocol);
- void (*deactivate_target)(struct nfc_dev *dev, u32 target_idx);
- int (*data_exchange)(struct nfc_dev *dev, u32 target_idx,
- struct sk_buff *skb, data_exchange_cb_t cb,
- void *cb_context);
+ int (*activate_target)(struct nfc_dev *dev, struct nfc_target *target,
+ u32 protocol);
+ void (*deactivate_target)(struct nfc_dev *dev,
+ struct nfc_target *target);
+ int (*data_exchange)(struct nfc_dev *dev, struct nfc_target *target,
+ struct sk_buff *skb, data_exchange_cb_t cb,
+ void *cb_context);
+ int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target);
};
#define NFC_TARGET_IDX_ANY -1
#define NFC_MAX_GT_LEN 48
-#define NFC_MAX_NFCID1_LEN 10
struct nfc_target {
u32 idx;
@@ -73,7 +77,13 @@ struct nfc_target {
u16 sens_res;
u8 sel_res;
u8 nfcid1_len;
- u8 nfcid1[NFC_MAX_NFCID1_LEN];
+ u8 nfcid1[NFC_NFCID1_MAXSIZE];
+ u8 sensb_res_len;
+ u8 sensb_res[NFC_SENSB_RES_MAXSIZE];
+ u8 sensf_res_len;
+ u8 sensf_res[NFC_SENSF_RES_MAXSIZE];
+ u8 hci_reader_gate;
+ u8 logical_idx;
};
struct nfc_genl_data {
@@ -82,16 +92,15 @@ struct nfc_genl_data {
};
struct nfc_dev {
- unsigned idx;
- unsigned target_idx;
+ unsigned int idx;
+ u32 target_next_idx;
struct nfc_target *targets;
int n_targets;
int targets_generation;
- spinlock_t targets_lock;
struct device dev;
bool dev_up;
bool polling;
- bool remote_activated;
+ struct nfc_target *active_target;
bool dep_link_up;
u32 dep_rf_mode;
struct nfc_genl_data genl_data;
@@ -100,6 +109,10 @@ struct nfc_dev {
int tx_headroom;
int tx_tailroom;
+ struct timer_list check_pres_timer;
+ struct workqueue_struct *check_pres_wq;
+ struct work_struct check_pres_work;
+
struct nfc_ops *ops;
};
#define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev)
@@ -107,9 +120,9 @@ struct nfc_dev {
extern struct class nfc_class;
struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
- u32 supported_protocols,
- int tx_headroom,
- int tx_tailroom);
+ u32 supported_protocols,
+ int tx_headroom,
+ int tx_tailroom);
/**
* nfc_free_device - free nfc device
@@ -132,7 +145,7 @@ void nfc_unregister_device(struct nfc_dev *dev);
* @dev: The parent device
*/
static inline void nfc_set_parent_dev(struct nfc_dev *nfc_dev,
- struct device *dev)
+ struct device *dev)
{
nfc_dev->dev.parent = dev;
}
@@ -169,17 +182,16 @@ static inline const char *nfc_device_name(struct nfc_dev *dev)
}
struct sk_buff *nfc_alloc_send_skb(struct nfc_dev *dev, struct sock *sk,
- unsigned int flags, unsigned int size,
- unsigned int *err);
+ unsigned int flags, unsigned int size,
+ unsigned int *err);
struct sk_buff *nfc_alloc_recv_skb(unsigned int size, gfp_t gfp);
int nfc_set_remote_general_bytes(struct nfc_dev *dev,
- u8 *gt, u8 gt_len);
-
-u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, u8 *gt_len);
+ u8 *gt, u8 gt_len);
-int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets,
- int ntargets);
+int nfc_targets_found(struct nfc_dev *dev,
+ struct nfc_target *targets, int ntargets);
+int nfc_target_lost(struct nfc_dev *dev, u32 target_idx);
int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx,
u8 comm_mode, u8 rf_mode);