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 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