xref: /linux/drivers/net/wireless/rsi/rsi_usb.h (revision fcc8487d477a3452a1d0ccbdd4c5e0e1e3cb8bed)
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 
38 struct 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 
53 static 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 
59 static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
60 {
61 	return EVENT_WAIT_FOREVER;
62 }
63 
64 int rsi_usb_device_init(struct rsi_common *common);
65 int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr,
66 				    u8 *data, u32 count);
67 void rsi_usb_rx_thread(struct rsi_common *common);
68 #endif
69