drivers/net/wireless/rsi/rsi_usb.h

   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
  49 struct rx_usb_ctrl_block {
  50         u8 *data;
  51         struct urb *rx_urb;
  52         struct sk_buff *rx_skb;
  53         u8 ep_num;
  54 };
  55
  56 struct 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
  73 static 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
  79 static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
  80 {
  81         return EVENT_WAIT_FOREVER;
  82 }
  83
  84 void rsi_usb_rx_thread(struct rsi_common *common);
  85 #endif