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 RSI_USB_VENDOR_ID	0x1618
26#define RSI_USB_PID_9113	0x9113
27#define RSI_USB_PID_9116	0x9116
28
29#define USB_INTERNAL_REG_1           0x25000
30#define RSI_USB_READY_MAGIC_NUM      0xab
31#define FW_STATUS_REG                0x41050012
32#define RSI_TA_HOLD_REG              0x22000844
33#define RSI_FW_WDT_DISABLE_REQ	     0x69
34
35#define USB_VENDOR_REGISTER_READ     0x15
36#define USB_VENDOR_REGISTER_WRITE    0x16
37#define RSI_USB_TX_HEAD_ROOM         128
38
39#define MAX_RX_URBS                  2
40#define MAX_BULK_EP                  8
41#define WLAN_EP                      1
42#define BT_EP                        2
43
44#define RSI_USB_BUF_SIZE	     4096
45#define RSI_USB_CTRL_BUF_SIZE	     0x04
46
47#define RSI_MAX_RX_USB_PKT_SIZE	3000
48
49struct rx_usb_ctrl_block {
50	u8 *data;
51	struct urb *rx_urb;
52	struct sk_buff *rx_skb;
53	u8 ep_num;
54};
55
56struct rsi_91x_usbdev {
57	void *priv;
58	struct rsi_thread rx_thread;
59	u8 endpoint;
60	struct usb_device *usbdev;
61	struct usb_interface *pfunction;
62	struct rx_usb_ctrl_block rx_cb[MAX_RX_URBS];
63	u8 *tx_buffer;
64	__le16 bulkin_size[MAX_BULK_EP];
65	u8 bulkin_endpoint_addr[MAX_BULK_EP];
66	__le16 bulkout_size[MAX_BULK_EP];
67	u8 bulkout_endpoint_addr[MAX_BULK_EP];
68	u32 tx_blk_size;
69	u8 write_fail;
70	struct sk_buff_head rx_q;
71};
72
73static inline int rsi_usb_check_queue_status(struct rsi_hw *adapter, u8 q_num)
74{
75	/* In USB, there isn't any need to check the queue status */
76	return QUEUE_NOT_FULL;
77}
78
79static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
80{
81	return EVENT_WAIT_FOREVER;
82}
83
84void rsi_usb_rx_thread(struct rsi_common *common);
85#endif
86