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#define RSI_TA_HOLD_REG              0x22000844
29
30#define USB_VENDOR_REGISTER_READ     0x15
31#define USB_VENDOR_REGISTER_WRITE    0x16
32#define RSI_USB_TX_HEAD_ROOM         128
33
34#define MAX_RX_URBS                  2
35#define MAX_BULK_EP                  8
36#define WLAN_EP                      1
37#define BT_EP                        2
38
39#define RSI_USB_BUF_SIZE	     4096
40#define RSI_USB_CTRL_BUF_SIZE	     0x04
41
42struct rx_usb_ctrl_block {
43	u8 *data;
44	struct urb *rx_urb;
45	struct sk_buff *rx_skb;
46	u8 ep_num;
47};
48
49struct rsi_91x_usbdev {
50	void *priv;
51	struct rsi_thread rx_thread;
52	u8 endpoint;
53	struct usb_device *usbdev;
54	struct usb_interface *pfunction;
55	struct rx_usb_ctrl_block rx_cb[MAX_RX_URBS];
56	u8 *tx_buffer;
57	__le16 bulkin_size[MAX_BULK_EP];
58	u8 bulkin_endpoint_addr[MAX_BULK_EP];
59	__le16 bulkout_size[MAX_BULK_EP];
60	u8 bulkout_endpoint_addr[MAX_BULK_EP];
61	u32 tx_blk_size;
62	u8 write_fail;
63	struct sk_buff_head rx_q;
64};
65
66static inline int rsi_usb_check_queue_status(struct rsi_hw *adapter, u8 q_num)
67{
68	/* In USB, there isn't any need to check the queue status */
69	return QUEUE_NOT_FULL;
70}
71
72static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
73{
74	return EVENT_WAIT_FOREVER;
75}
76
77void rsi_usb_rx_thread(struct rsi_common *common);
78#endif