--- zzzz-none-000/linux-3.10.107/include/net/nfc/nci_core.h 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/include/net/nfc/nci_core.h 2021-02-04 17:41:59.000000000 +0000 @@ -3,6 +3,8 @@ * NFC Controller (NFCC) and a Device Host (DH). * * Copyright (C) 2011 Texas Instruments, Inc. + * Copyright (C) 2013 Intel Corporation. All rights reserved. + * Copyright (C) 2014 Marvell International Ltd. * * Written by Ilan Elias * @@ -20,8 +22,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this program; if not, see . * */ @@ -30,6 +31,7 @@ #include #include +#include #include #include @@ -49,6 +51,8 @@ NCI_W4_ALL_DISCOVERIES, NCI_W4_HOST_SELECT, NCI_POLL_ACTIVE, + NCI_LISTEN_ACTIVE, + NCI_LISTEN_SLEEP, }; /* NCI timeouts */ @@ -63,19 +67,141 @@ struct nci_dev; +struct nci_driver_ops { + __u16 opcode; + int (*rsp)(struct nci_dev *dev, struct sk_buff *skb); + int (*ntf)(struct nci_dev *dev, struct sk_buff *skb); +}; + struct nci_ops { - int (*open)(struct nci_dev *ndev); - int (*close)(struct nci_dev *ndev); - int (*send)(struct sk_buff *skb); + int (*init)(struct nci_dev *ndev); + int (*open)(struct nci_dev *ndev); + int (*close)(struct nci_dev *ndev); + int (*send)(struct nci_dev *ndev, struct sk_buff *skb); + int (*setup)(struct nci_dev *ndev); + int (*post_setup)(struct nci_dev *ndev); + int (*fw_download)(struct nci_dev *ndev, const char *firmware_name); + __u32 (*get_rfprotocol)(struct nci_dev *ndev, __u8 rf_protocol); + int (*discover_se)(struct nci_dev *ndev); + int (*disable_se)(struct nci_dev *ndev, u32 se_idx); + int (*enable_se)(struct nci_dev *ndev, u32 se_idx); + int (*se_io)(struct nci_dev *ndev, u32 se_idx, + u8 *apdu, size_t apdu_length, + se_io_cb_t cb, void *cb_context); + int (*hci_load_session)(struct nci_dev *ndev); + void (*hci_event_received)(struct nci_dev *ndev, u8 pipe, u8 event, + struct sk_buff *skb); + void (*hci_cmd_received)(struct nci_dev *ndev, u8 pipe, u8 cmd, + struct sk_buff *skb); + + struct nci_driver_ops *prop_ops; + size_t n_prop_ops; + + struct nci_driver_ops *core_ops; + size_t n_core_ops; }; #define NCI_MAX_SUPPORTED_RF_INTERFACES 4 #define NCI_MAX_DISCOVERED_TARGETS 10 +#define NCI_MAX_NUM_NFCEE 255 +#define NCI_MAX_CONN_ID 7 +#define NCI_MAX_PROPRIETARY_CMD 64 + +struct nci_conn_info { + struct list_head list; + __u8 id; /* can be an RF Discovery ID or an NFCEE ID */ + __u8 conn_id; + __u8 max_pkt_payload_len; + + atomic_t credits_cnt; + __u8 initial_num_credits; + + data_exchange_cb_t data_exchange_cb; + void *data_exchange_cb_context; + + struct sk_buff *rx_skb; +}; + +#define NCI_INVALID_CONN_ID 0x80 + +#define NCI_HCI_ANY_OPEN_PIPE 0x03 + +/* Gates */ +#define NCI_HCI_ADMIN_GATE 0x00 +#define NCI_HCI_LOOPBACK_GATE 0x04 +#define NCI_HCI_IDENTITY_MGMT_GATE 0x05 +#define NCI_HCI_LINK_MGMT_GATE 0x06 + +/* Pipes */ +#define NCI_HCI_LINK_MGMT_PIPE 0x00 +#define NCI_HCI_ADMIN_PIPE 0x01 + +/* Generic responses */ +#define NCI_HCI_ANY_OK 0x00 +#define NCI_HCI_ANY_E_NOT_CONNECTED 0x01 +#define NCI_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02 +#define NCI_HCI_ANY_E_NOK 0x03 +#define NCI_HCI_ANY_E_PIPES_FULL 0x04 +#define NCI_HCI_ANY_E_REG_PAR_UNKNOWN 0x05 +#define NCI_HCI_ANY_E_PIPE_NOT_OPENED 0x06 +#define NCI_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07 +#define NCI_HCI_ANY_E_INHIBITED 0x08 +#define NCI_HCI_ANY_E_TIMEOUT 0x09 +#define NCI_HCI_ANY_E_REG_ACCESS_DENIED 0x0a +#define NCI_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b + +#define NCI_HCI_DO_NOT_OPEN_PIPE 0x81 +#define NCI_HCI_INVALID_PIPE 0x80 +#define NCI_HCI_INVALID_GATE 0xFF +#define NCI_HCI_INVALID_HOST 0x80 + +#define NCI_HCI_MAX_CUSTOM_GATES 50 +/* + * According to specification 102 622 chapter 4.4 Pipes, + * the pipe identifier is 7 bits long. + */ +#define NCI_HCI_MAX_PIPES 127 + +struct nci_hci_gate { + u8 gate; + u8 pipe; + u8 dest_host; +} __packed; + +struct nci_hci_pipe { + u8 gate; + u8 host; +} __packed; + +struct nci_hci_init_data { + u8 gate_count; + struct nci_hci_gate gates[NCI_HCI_MAX_CUSTOM_GATES]; + char session_id[9]; +}; + +#define NCI_HCI_MAX_GATES 256 + +struct nci_hci_dev { + u8 nfcee_id; + struct nci_dev *ndev; + struct nci_conn_info *conn_info; + + struct nci_hci_init_data init_data; + struct nci_hci_pipe pipes[NCI_HCI_MAX_PIPES]; + u8 gate2pipe[NCI_HCI_MAX_GATES]; + int expected_pipes; + int count_pipes; + + struct sk_buff_head rx_hcp_frags; + struct work_struct msg_rx_work; + struct sk_buff_head msg_rx_queue; +}; /* NCI Core structures */ struct nci_dev { struct nfc_dev *nfc_dev; struct nci_ops *ops; + struct nci_hci_dev *hci_dev; int tx_headroom; int tx_tailroom; @@ -84,7 +210,10 @@ unsigned long flags; atomic_t cmd_cnt; - atomic_t credits_cnt; + __u8 cur_conn_id; + + struct list_head conn_info_list; + struct nci_conn_info *rf_conn_info; struct timer_list cmd_timer; struct timer_list data_timer; @@ -130,13 +259,10 @@ __u8 manufact_id; __u32 manufact_specific_info; - /* received during NCI_OP_RF_INTF_ACTIVATED_NTF */ - __u8 max_data_pkt_payload_size; - __u8 initial_num_credits; + /* Save RF Discovery ID or NFCEE ID under conn_create */ + __u8 cur_id; /* stored during nci_data_exchange */ - data_exchange_cb_t data_exchange_cb; - void *data_exchange_cb_context; struct sk_buff *rx_data_reassembly; /* stored during intf_activated_ntf */ @@ -147,13 +273,47 @@ /* ----- NCI Devices ----- */ struct nci_dev *nci_allocate_device(struct nci_ops *ops, __u32 supported_protocols, - __u32 supported_se, int tx_headroom, int tx_tailroom); void nci_free_device(struct nci_dev *ndev); int nci_register_device(struct nci_dev *ndev); void nci_unregister_device(struct nci_dev *ndev); -int nci_recv_frame(struct sk_buff *skb); +int nci_request(struct nci_dev *ndev, + void (*req)(struct nci_dev *ndev, + unsigned long opt), + unsigned long opt, __u32 timeout); +int nci_prop_cmd(struct nci_dev *ndev, __u8 oid, size_t len, __u8 *payload); +int nci_core_cmd(struct nci_dev *ndev, __u16 opcode, size_t len, __u8 *payload); +int nci_core_reset(struct nci_dev *ndev); +int nci_core_init(struct nci_dev *ndev); + +int nci_recv_frame(struct nci_dev *ndev, struct sk_buff *skb); +int nci_send_frame(struct nci_dev *ndev, struct sk_buff *skb); +int nci_set_config(struct nci_dev *ndev, __u8 id, size_t len, __u8 *val); + +int nci_nfcee_discover(struct nci_dev *ndev, u8 action); +int nci_nfcee_mode_set(struct nci_dev *ndev, u8 nfcee_id, u8 nfcee_mode); +int nci_core_conn_create(struct nci_dev *ndev, u8 destination_type, + u8 number_destination_params, + size_t params_len, + struct core_conn_create_dest_spec_params *params); +int nci_core_conn_close(struct nci_dev *ndev, u8 conn_id); + +struct nci_hci_dev *nci_hci_allocate(struct nci_dev *ndev); +int nci_hci_send_event(struct nci_dev *ndev, u8 gate, u8 event, + const u8 *param, size_t param_len); +int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, + u8 cmd, const u8 *param, size_t param_len, + struct sk_buff **skb); +int nci_hci_open_pipe(struct nci_dev *ndev, u8 pipe); +int nci_hci_connect_gate(struct nci_dev *ndev, u8 dest_host, + u8 dest_gate, u8 pipe); +int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx, + const u8 *param, size_t param_len); +int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx, + struct sk_buff **skb); +int nci_hci_clear_all_pipes(struct nci_dev *ndev); +int nci_hci_dev_session_init(struct nci_dev *ndev); static inline struct sk_buff *nci_skb_alloc(struct nci_dev *ndev, unsigned int len, @@ -183,13 +343,31 @@ return ndev->driver_data; } +static inline int nci_set_vendor_cmds(struct nci_dev *ndev, + struct nfc_vendor_cmd *cmds, + int n_cmds) +{ + return nfc_set_vendor_cmds(ndev->nfc_dev, cmds, n_cmds); +} + void nci_rsp_packet(struct nci_dev *ndev, struct sk_buff *skb); void nci_ntf_packet(struct nci_dev *ndev, struct sk_buff *skb); +int nci_prop_rsp_packet(struct nci_dev *ndev, __u16 opcode, + struct sk_buff *skb); +int nci_prop_ntf_packet(struct nci_dev *ndev, __u16 opcode, + struct sk_buff *skb); +int nci_core_rsp_packet(struct nci_dev *ndev, __u16 opcode, + struct sk_buff *skb); +int nci_core_ntf_packet(struct nci_dev *ndev, __u16 opcode, + struct sk_buff *skb); void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb); int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload); int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb); +int nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id); void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb, - int err); + __u8 conn_id, int err); +void nci_hci_data_received_cb(void *context, struct sk_buff *skb, int err); + void nci_clear_target_list(struct nci_dev *ndev); /* ----- NCI requests ----- */ @@ -198,8 +376,89 @@ #define NCI_REQ_CANCELED 2 void nci_req_complete(struct nci_dev *ndev, int result); +struct nci_conn_info *nci_get_conn_info_by_conn_id(struct nci_dev *ndev, + int conn_id); +int nci_get_conn_info_by_id(struct nci_dev *ndev, u8 id); /* ----- NCI status code ----- */ int nci_to_errno(__u8 code); +/* ----- NCI over SPI acknowledge modes ----- */ +#define NCI_SPI_CRC_DISABLED 0x00 +#define NCI_SPI_CRC_ENABLED 0x01 + +/* ----- NCI SPI structures ----- */ +struct nci_spi { + struct nci_dev *ndev; + struct spi_device *spi; + + unsigned int xfer_udelay; /* microseconds delay between + transactions */ + + unsigned int xfer_speed_hz; /* + * SPI clock frequency + * 0 => default clock + */ + + u8 acknowledge_mode; + + struct completion req_completion; + u8 req_result; +}; + +/* ----- NCI SPI ----- */ +struct nci_spi *nci_spi_allocate_spi(struct spi_device *spi, + u8 acknowledge_mode, unsigned int delay, + struct nci_dev *ndev); +int nci_spi_send(struct nci_spi *nspi, + struct completion *write_handshake_completion, + struct sk_buff *skb); +struct sk_buff *nci_spi_read(struct nci_spi *nspi); + +/* ----- NCI UART ---- */ + +/* Ioctl */ +#define NCIUARTSETDRIVER _IOW('U', 0, char *) + +enum nci_uart_driver { + NCI_UART_DRIVER_MARVELL = 0, + NCI_UART_DRIVER_MAX +}; + +struct nci_uart; + +struct nci_uart_ops { + int (*open)(struct nci_uart *nci_uart); + void (*close)(struct nci_uart *nci_uart); + int (*recv)(struct nci_uart *nci_uart, struct sk_buff *skb); + int (*recv_buf)(struct nci_uart *nci_uart, const u8 *data, char *flags, + int count); + int (*send)(struct nci_uart *nci_uart, struct sk_buff *skb); + void (*tx_start)(struct nci_uart *nci_uart); + void (*tx_done)(struct nci_uart *nci_uart); +}; + +struct nci_uart { + struct module *owner; + struct nci_uart_ops ops; + const char *name; + enum nci_uart_driver driver; + + /* Dynamic data */ + struct nci_dev *ndev; + spinlock_t rx_lock; + struct work_struct write_work; + struct tty_struct *tty; + unsigned long tx_state; + struct sk_buff_head tx_q; + struct sk_buff *tx_skb; + struct sk_buff *rx_skb; + int rx_packet_len; + void *drv_data; +}; + +int nci_uart_register(struct nci_uart *nu); +void nci_uart_unregister(struct nci_uart *nu); +void nci_uart_set_config(struct nci_uart *nu, int baudrate, int flow_ctrl); + #endif /* __NCI_CORE_H */