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 struct rx_usb_ctrl_block {
48 	u8 *data;
49 	struct urb *rx_urb;
50 	struct sk_buff *rx_skb;
51 	u8 ep_num;
52 };
53 
54 struct rsi_91x_usbdev {
55 	void *priv;
56 	struct rsi_thread rx_thread;
57 	u8 endpoint;
58 	struct usb_device *usbdev;
59 	struct usb_interface *pfunction;
60 	struct rx_usb_ctrl_block rx_cb[MAX_RX_URBS];
61 	u8 *tx_buffer;
62 	__le16 bulkin_size[MAX_BULK_EP];
63 	u8 bulkin_endpoint_addr[MAX_BULK_EP];
64 	__le16 bulkout_size[MAX_BULK_EP];
65 	u8 bulkout_endpoint_addr[MAX_BULK_EP];
66 	u32 tx_blk_size;
67 	u8 write_fail;
68 	struct sk_buff_head rx_q;
69 };
70 
rsi_usb_check_queue_status(struct rsi_hw * adapter,u8 q_num)71 static inline int rsi_usb_check_queue_status(struct rsi_hw *adapter, u8 q_num)
72 {
73 	/* In USB, there isn't any need to check the queue status */
74 	return QUEUE_NOT_FULL;
75 }
76 
rsi_usb_event_timeout(struct rsi_hw * adapter)77 static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
78 {
79 	return EVENT_WAIT_FOREVER;
80 }
81 
82 void rsi_usb_rx_thread(struct rsi_common *common);
83 #endif
84