1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2019 Vladimir Kondratyev <wulf@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD$
28 */
29#ifndef	__IWMBT_HW_H__
30#define	__IWMBT_HW_H__
31
32/* USB control request (HCI command) structure */
33struct iwmbt_hci_cmd {
34	uint16_t	opcode;
35	uint8_t		length;
36	uint8_t		data[];
37} __attribute__ ((packed));
38
39#define IWMBT_HCI_CMD_SIZE(cmd) \
40	((cmd)->length + offsetof(struct iwmbt_hci_cmd, data))
41
42/* USB interrupt transfer HCI event header structure */
43struct iwmbt_hci_evhdr {
44	uint8_t		event;
45	uint8_t		length;
46} __attribute__ ((packed));
47
48/* USB interrupt transfer (generic HCI event) structure */
49struct iwmbt_hci_event {
50	struct iwmbt_hci_evhdr	header;
51	uint8_t			data[];
52} __attribute__ ((packed));
53
54/* USB interrupt transfer (HCI command completion event) structure */
55struct iwmbt_hci_event_cmd_compl {
56	struct iwmbt_hci_evhdr	header;
57	uint8_t			numpkt;
58	uint16_t		opcode;
59	uint8_t			data[];
60} __attribute__ ((packed));
61
62#define IWMBT_HCI_EVT_COMPL_SIZE(payload) \
63	(offsetof(struct iwmbt_hci_event_cmd_compl, data) + sizeof(payload))
64
65#define	IWMBT_CONTROL_ENDPOINT_ADDR	0x00
66#define	IWMBT_INTERRUPT_ENDPOINT_ADDR	0x81
67#define	IWMBT_BULK_IN_ENDPOINT_ADDR	0x82
68#define	IWMBT_BULK_OUT_ENDPOINT_ADDR	0x02
69
70#define	IWMBT_HCI_MAX_CMD_SIZE		256
71#define	IWMBT_HCI_MAX_EVENT_SIZE	16
72
73#define	IWMBT_HCI_CMD_TIMEOUT		2000	/* ms */
74#define	IWMBT_LOADCMPL_TIMEOUT		5000	/* ms */
75
76extern	int iwmbt_load_fwfile(struct libusb_device_handle *hdl,
77	    const struct iwmbt_firmware *fw, uint32_t *boot_param);
78extern	int iwmbt_get_version(struct libusb_device_handle *hdl,
79	    struct iwmbt_version *version);
80extern	int iwmbt_get_boot_params(struct libusb_device_handle *hdl,
81	    struct iwmbt_boot_params *params);
82extern	int iwmbt_intel_reset(struct libusb_device_handle *hdl,
83	    uint32_t boot_param);
84extern	int iwmbt_load_ddc(struct libusb_device_handle *hdl,
85	    const struct iwmbt_firmware *ddc);
86extern	int iwmbt_set_event_mask(struct libusb_device_handle *hdl);
87
88#endif
89