diff options
Diffstat (limited to 'net/nfc/hci/hci.h')
| -rw-r--r-- | net/nfc/hci/hci.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/net/nfc/hci/hci.h b/net/nfc/hci/hci.h new file mode 100644 index 00000000000..45f2fe4fd48 --- /dev/null +++ b/net/nfc/hci/hci.h @@ -0,0 +1,139 @@ +/* + * Copyright (C) 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * 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. + */ + +#ifndef __LOCAL_HCI_H +#define __LOCAL_HCI_H + +struct gate_pipe_map { + u8 gate; + u8 pipe; +}; + +struct hcp_message { + u8 header; /* type -cmd,evt,rsp- + instruction */ + u8 data[]; +} __packed; + +struct hcp_packet { + u8 header; /* cbit+pipe */ + struct hcp_message message; +} __packed; + +/* + * HCI command execution completion callback. + * result will be one of the HCI response codes. + * skb contains the response data and must be disposed. + */ +typedef void (*hci_cmd_cb_t) (struct nfc_hci_dev *hdev, u8 result, + struct sk_buff *skb, void *cb_data); + +struct hcp_exec_waiter { + wait_queue_head_t *wq; + bool exec_complete; + int exec_result; + struct sk_buff *result_skb; +}; + +struct hci_msg { + struct list_head msg_l; + struct sk_buff_head msg_frags; + bool wait_response; + hci_cmd_cb_t cb; + void *cb_context; + unsigned long completion_delay; +}; + +struct hci_create_pipe_params { + u8 src_gate; + u8 dest_host; + u8 dest_gate; +} __packed; + +struct hci_create_pipe_resp { + u8 src_host; + u8 src_gate; + u8 dest_host; + u8 dest_gate; + u8 pipe; +} __packed; + +#define NFC_HCI_FRAGMENT 0x7f + +#define HCP_HEADER(type, instr) ((((type) & 0x03) << 6) | ((instr) & 0x3f)) +#define HCP_MSG_GET_TYPE(header) ((header & 0xc0) >> 6) +#define HCP_MSG_GET_CMD(header) (header & 0x3f) + +int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe, + u8 type, u8 instruction, + const u8 *payload, size_t payload_len, + hci_cmd_cb_t cb, void *cb_data, + unsigned long completion_delay); + +u8 nfc_hci_pipe2gate(struct nfc_hci_dev *hdev, u8 pipe); + +void nfc_hci_hcp_message_rx(struct nfc_hci_dev *hdev, u8 pipe, u8 type, + u8 instruction, struct sk_buff *skb); + +/* HCP headers */ +#define NFC_HCI_HCP_PACKET_HEADER_LEN 1 +#define NFC_HCI_HCP_MESSAGE_HEADER_LEN 1 +#define NFC_HCI_HCP_HEADER_LEN 2 + +/* HCP types */ +#define NFC_HCI_HCP_COMMAND 0x00 +#define NFC_HCI_HCP_EVENT 0x01 +#define NFC_HCI_HCP_RESPONSE 0x02 + +/* Generic commands */ +#define NFC_HCI_ANY_SET_PARAMETER 0x01 +#define NFC_HCI_ANY_GET_PARAMETER 0x02 +#define NFC_HCI_ANY_OPEN_PIPE 0x03 +#define NFC_HCI_ANY_CLOSE_PIPE 0x04 + +/* Reader RF commands */ +#define NFC_HCI_WR_XCHG_DATA 0x10 + +/* Admin commands */ +#define NFC_HCI_ADM_CREATE_PIPE 0x10 +#define NFC_HCI_ADM_DELETE_PIPE 0x11 +#define NFC_HCI_ADM_NOTIFY_PIPE_CREATED 0x12 +#define NFC_HCI_ADM_NOTIFY_PIPE_DELETED 0x13 +#define NFC_HCI_ADM_CLEAR_ALL_PIPE 0x14 +#define NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED 0x15 + +/* Generic responses */ +#define NFC_HCI_ANY_OK 0x00 +#define NFC_HCI_ANY_E_NOT_CONNECTED 0x01 +#define NFC_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02 +#define NFC_HCI_ANY_E_NOK 0x03 +#define NFC_HCI_ANY_E_PIPES_FULL 0x04 +#define NFC_HCI_ANY_E_REG_PAR_UNKNOWN 0x05 +#define NFC_HCI_ANY_E_PIPE_NOT_OPENED 0x06 +#define NFC_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07 +#define NFC_HCI_ANY_E_INHIBITED 0x08 +#define NFC_HCI_ANY_E_TIMEOUT 0x09 +#define NFC_HCI_ANY_E_REG_ACCESS_DENIED 0x0a +#define NFC_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b + +/* Pipes */ +#define NFC_HCI_INVALID_PIPE 0x80 +#define NFC_HCI_LINK_MGMT_PIPE 0x00 +#define NFC_HCI_ADMIN_PIPE 0x01 + +#endif /* __LOCAL_HCI_H */ |