[deliverable/linux.git] / net / nfc / hci / hci.h

/*
 * 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef __LOCAL_HCI_H
#define __LOCAL_HCI_H

#include <net/nfc/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;

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;
	data_exchange_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,
			   data_exchange_cb_t cb, void *cb_context,
			   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

#endif /* __LOCAL_HCI_H */
Commit	Line	Data
8b8d2e08 EL	1	/*
	2	* Copyright (C) 2012 Intel Corporation. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
	6	* the Free Software Foundation; either version 2 of the License, or
	7	* (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
98b32dec	15	* along with this program; if not, see <http://www.gnu.org/licenses/>.
8b8d2e08 EL	16	*/
	17
	18	#ifndef __LOCAL_HCI_H
	19	#define __LOCAL_HCI_H
	20
b5faa648 EL	21	#include <net/nfc/hci.h>
b5faa648 EL	22
8b8d2e08 EL	23	struct gate_pipe_map {
	24	u8 gate;
	25	u8 pipe;
	26	};
	27
	28	struct hcp_message {
	29	u8 header; /* type -cmd,evt,rsp- + instruction */
	30	u8 data[];
	31	} __packed;
	32
	33	struct hcp_packet {
	34	u8 header; /* cbit+pipe */
	35	struct hcp_message message;
	36	} __packed;
	37
8b8d2e08 EL	38	struct hcp_exec_waiter {
	39	wait_queue_head_t *wq;
	40	bool exec_complete;
	41	int exec_result;
	42	struct sk_buff *result_skb;
	43	};
	44
	45	struct hci_msg {
	46	struct list_head msg_l;
	47	struct sk_buff_head msg_frags;
	48	bool wait_response;
b5faa648	49	data_exchange_cb_t cb;
8b8d2e08 EL	50	void *cb_context;
	51	unsigned long completion_delay;
	52	};
	53
	54	struct hci_create_pipe_params {
	55	u8 src_gate;
	56	u8 dest_host;
	57	u8 dest_gate;
	58	} __packed;
	59
	60	struct hci_create_pipe_resp {
	61	u8 src_host;
	62	u8 src_gate;
	63	u8 dest_host;
	64	u8 dest_gate;
	65	u8 pipe;
	66	} __packed;
	67
	68	#define NFC_HCI_FRAGMENT 0x7f
	69
	70	#define HCP_HEADER(type, instr) ((((type) & 0x03) << 6) \| ((instr) & 0x3f))
	71	#define HCP_MSG_GET_TYPE(header) ((header & 0xc0) >> 6)
	72	#define HCP_MSG_GET_CMD(header) (header & 0x3f)
	73
	74	int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe,
	75	u8 type, u8 instruction,
	76	const u8 *payload, size_t payload_len,
b5faa648	77	data_exchange_cb_t cb, void *cb_context,
8b8d2e08 EL	78	unsigned long completion_delay);
	79
	80	u8 nfc_hci_pipe2gate(struct nfc_hci_dev *hdev, u8 pipe);
	81
	82	void nfc_hci_hcp_message_rx(struct nfc_hci_dev *hdev, u8 pipe, u8 type,
	83	u8 instruction, struct sk_buff *skb);
	84
	85	/* HCP headers */
	86	#define NFC_HCI_HCP_PACKET_HEADER_LEN 1
	87	#define NFC_HCI_HCP_MESSAGE_HEADER_LEN 1
	88	#define NFC_HCI_HCP_HEADER_LEN 2
	89
	90	/* HCP types */
	91	#define NFC_HCI_HCP_COMMAND 0x00
	92	#define NFC_HCI_HCP_EVENT 0x01
	93	#define NFC_HCI_HCP_RESPONSE 0x02
	94
	95	/* Generic commands */
	96	#define NFC_HCI_ANY_SET_PARAMETER 0x01
	97	#define NFC_HCI_ANY_GET_PARAMETER 0x02
	98	#define NFC_HCI_ANY_OPEN_PIPE 0x03
	99	#define NFC_HCI_ANY_CLOSE_PIPE 0x04
	100
	101	/* Reader RF commands */
	102	#define NFC_HCI_WR_XCHG_DATA 0x10
	103
	104	/* Admin commands */
	105	#define NFC_HCI_ADM_CREATE_PIPE 0x10
	106	#define NFC_HCI_ADM_DELETE_PIPE 0x11
	107	#define NFC_HCI_ADM_NOTIFY_PIPE_CREATED 0x12
	108	#define NFC_HCI_ADM_NOTIFY_PIPE_DELETED 0x13
	109	#define NFC_HCI_ADM_CLEAR_ALL_PIPE 0x14
	110	#define NFC_HCI_ADM_NOTIFY_ALL_PIPE_CLEARED 0x15
	111
	112	/* Generic responses */
	113	#define NFC_HCI_ANY_OK 0x00
	114	#define NFC_HCI_ANY_E_NOT_CONNECTED 0x01
	115	#define NFC_HCI_ANY_E_CMD_PAR_UNKNOWN 0x02
	116	#define NFC_HCI_ANY_E_NOK 0x03
	117	#define NFC_HCI_ANY_E_PIPES_FULL 0x04
	118	#define NFC_HCI_ANY_E_REG_PAR_UNKNOWN 0x05
	119	#define NFC_HCI_ANY_E_PIPE_NOT_OPENED 0x06
	120	#define NFC_HCI_ANY_E_CMD_NOT_SUPPORTED 0x07
	121	#define NFC_HCI_ANY_E_INHIBITED 0x08
	122	#define NFC_HCI_ANY_E_TIMEOUT 0x09
	123	#define NFC_HCI_ANY_E_REG_ACCESS_DENIED 0x0a
	124	#define NFC_HCI_ANY_E_PIPE_ACCESS_DENIED 0x0b
	125
8b8d2e08	126	#endif /* __LOCAL_HCI_H */