NFC: st21nfca: Align st21nfca driver with other nfc driver
[firefly-linux-kernel-4.4.55.git] / drivers / nfc / st21nfca / st21nfca.h
index 15a78d330a9f32a21d3a58aaeff1a095ad84a0cd..70e2d43b4ec3c27eaf0729754f65990c1513e9c0 100644 (file)
@@ -18,9 +18,8 @@
 #define __LOCAL_ST21NFCA_H_
 
 #include <net/nfc/hci.h>
-
-#include "st21nfca_dep.h"
-#include "st21nfca_se.h"
+#include <linux/skbuff.h>
+#include <linux/workqueue.h>
 
 #define HCI_MODE 0
 
 #define ST21NFCA_HCI_LLC_MAX_SIZE       (ST21NFCA_HCI_LLC_LEN_CRC + 1 + \
                                        ST21NFCA_HCI_LLC_MAX_PAYLOAD)
 
-#define DRIVER_DESC "HCI NFC driver for ST21NFCA"
+/* Reader RF commands */
+#define ST21NFCA_WR_XCHG_DATA           0x10
+
+#define ST21NFCA_DEVICE_MGNT_GATE       0x01
+#define ST21NFCA_RF_READER_F_GATE       0x14
+#define ST21NFCA_RF_CARD_F_GATE                0x24
+#define ST21NFCA_APDU_READER_GATE      0xf0
+#define ST21NFCA_CONNECTIVITY_GATE     0x41
 
-#define ST21NFCA_HCI_MODE 0
+/*
+ * ref ISO7816-3 chap 8.1. the initial character TS is followed by a
+ * sequence of at most 32 characters.
+ */
+#define ST21NFCA_ESE_MAX_LENGTH                33
+#define ST21NFCA_ESE_HOST_ID           0xc0
+
+#define DRIVER_DESC "HCI NFC driver for ST21NFCA"
 
-#define ST21NFCA_NUM_DEVICES 256
+#define ST21NFCA_HCI_MODE              0
+#define ST21NFCA_NUM_DEVICES           256
 
 struct st21nfca_se_status {
        bool is_ese_present;
        bool is_uicc_present;
 };
 
-int st21nfca_hci_probe(void *phy_id, struct nfc_phy_ops *phy_ops,
-                      char *llc_name, int phy_headroom, int phy_tailroom,
-                      int phy_payload, struct nfc_hci_dev **hdev,
-                          struct st21nfca_se_status *se_status);
-void st21nfca_hci_remove(struct nfc_hci_dev *hdev);
-
 enum st21nfca_state {
        ST21NFCA_ST_COLD,
        ST21NFCA_ST_READY,
 };
 
+struct st21nfca_dep_info {
+       struct sk_buff *tx_pending;
+       struct work_struct tx_work;
+       u8 curr_nfc_dep_pni;
+       u32 idx;
+       u8 to;
+       u8 did;
+       u8 bsi;
+       u8 bri;
+       u8 lri;
+} __packed;
+
+struct st21nfca_se_info {
+       u8 atr[ST21NFCA_ESE_MAX_LENGTH];
+       struct completion req_completion;
+
+       struct timer_list bwi_timer;
+       int wt_timeout; /* in msecs */
+       bool bwi_active;
+
+       struct timer_list se_active_timer;
+       bool se_active;
+       int expected_pipes;
+       int count_pipes;
+
+       bool xch_error;
+
+       se_io_cb_t cb;
+       void *cb_context;
+};
+
 struct st21nfca_hci_info {
        struct nfc_phy_ops *phy_ops;
        void *phy_id;
@@ -87,13 +126,34 @@ struct st21nfca_hci_info {
        struct st21nfca_se_info se_info;
 };
 
-/* Reader RF commands */
-#define ST21NFCA_WR_XCHG_DATA           0x10
+int st21nfca_hci_probe(void *phy_id, struct nfc_phy_ops *phy_ops,
+                      char *llc_name, int phy_headroom, int phy_tailroom,
+                      int phy_payload, struct nfc_hci_dev **hdev,
+                          struct st21nfca_se_status *se_status);
+void st21nfca_hci_remove(struct nfc_hci_dev *hdev);
 
-#define ST21NFCA_DEVICE_MGNT_GATE       0x01
-#define ST21NFCA_RF_READER_F_GATE       0x14
-#define ST21NFCA_RF_CARD_F_GATE                        0x24
-#define ST21NFCA_APDU_READER_GATE              0xf0
-#define ST21NFCA_CONNECTIVITY_GATE             0x41
+int st21nfca_dep_event_received(struct nfc_hci_dev *hdev,
+                               u8 event, struct sk_buff *skb);
+int st21nfca_tm_send_dep_res(struct nfc_hci_dev *hdev, struct sk_buff *skb);
+
+int st21nfca_im_send_atr_req(struct nfc_hci_dev *hdev, u8 *gb, size_t gb_len);
+int st21nfca_im_send_dep_req(struct nfc_hci_dev *hdev, struct sk_buff *skb);
+void st21nfca_dep_init(struct nfc_hci_dev *hdev);
+void st21nfca_dep_deinit(struct nfc_hci_dev *hdev);
+
+int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host,
+                                       u8 event, struct sk_buff *skb);
+int st21nfca_apdu_reader_event_received(struct nfc_hci_dev *hdev,
+                                       u8 event, struct sk_buff *skb);
+
+int st21nfca_hci_discover_se(struct nfc_hci_dev *hdev);
+int st21nfca_hci_enable_se(struct nfc_hci_dev *hdev, u32 se_idx);
+int st21nfca_hci_disable_se(struct nfc_hci_dev *hdev, u32 se_idx);
+int st21nfca_hci_se_io(struct nfc_hci_dev *hdev, u32 se_idx,
+               u8 *apdu, size_t apdu_length,
+               se_io_cb_t cb, void *cb_context);
+
+void st21nfca_se_init(struct nfc_hci_dev *hdev);
+void st21nfca_se_deinit(struct nfc_hci_dev *hdev);
 
 #endif /* __LOCAL_ST21NFCA_H_ */