1/**
2 * @section LICENSE
3 * Copyright (c) 2014 Redpine Signals Inc.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#ifndef __RSI_USB_INTF__
19#define __RSI_USB_INTF__
20
21#include <linux/usb.h>
22#include "rsi_main.h"
23#include "rsi_common.h"
24
25#define USB_INTERNAL_REG_1           0x25000
26#define RSI_USB_READY_MAGIC_NUM      0xab
27#define FW_STATUS_REG                0x41050012
28
29#define USB_VENDOR_REGISTER_READ     0x15
30#define USB_VENDOR_REGISTER_WRITE    0x16
31#define RSI_USB_TX_HEAD_ROOM         128
32
33#define MAX_RX_URBS                  1
34#define MAX_BULK_EP                  8
35#define MGMT_EP                      1
36#define DATA_EP                      2
37
38struct rsi_91x_usbdev {
39	struct rsi_thread rx_thread;
40	u8 endpoint;
41	struct usb_device *usbdev;
42	struct usb_interface *pfunction;
43	struct urb *rx_usb_urb[MAX_RX_URBS];
44	u8 *tx_buffer;
45	__le16 bulkin_size;
46	u8 bulkin_endpoint_addr;
47	__le16 bulkout_size[MAX_BULK_EP];
48	u8 bulkout_endpoint_addr[MAX_BULK_EP];
49	u32 tx_blk_size;
50	u8 write_fail;
51};
52
53static inline int rsi_usb_check_queue_status(struct rsi_hw *adapter, u8 q_num)
54{
55	/* In USB, there isn't any need to check the queue status */
56	return QUEUE_NOT_FULL;
57}
58
59static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
60{
61	return EVENT_WAIT_FOREVER;
62}
63
64int rsi_usb_device_init(struct rsi_common *common);
65int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr,
66				    u8 *data, u32 count);
67void rsi_usb_rx_thread(struct rsi_common *common);
68#endif
69