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 1
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
42 struct rsi_91x_usbdev {
43 struct rsi_thread rx_thread;
44 u8 endpoint;
45 struct usb_device *usbdev;
46 struct usb_interface *pfunction;
47 struct urb *rx_usb_urb[MAX_RX_URBS];
48 u8 *tx_buffer;
49 __le16 bulkin_size;
50 u8 bulkin_endpoint_addr;
51 __le16 bulkout_size[MAX_BULK_EP];
52 u8 bulkout_endpoint_addr[MAX_BULK_EP];
53 u32 tx_blk_size;
54 u8 write_fail;
55 };
56
rsi_usb_check_queue_status(struct rsi_hw * adapter,u8 q_num)57 static inline int rsi_usb_check_queue_status(struct rsi_hw *adapter, u8 q_num)
58 {
59 /* In USB, there isn't any need to check the queue status */
60 return QUEUE_NOT_FULL;
61 }
62
rsi_usb_event_timeout(struct rsi_hw * adapter)63 static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
64 {
65 return EVENT_WAIT_FOREVER;
66 }
67
68 void rsi_usb_rx_thread(struct rsi_common *common);
69 #endif
70