LXR linux/drivers/net/wireless/rsi/rsi

   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
  38struct 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
  53static 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
  59static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
  60{
  61        return EVENT_WAIT_FOREVER;
  62}
  63
  64int rsi_usb_device_init(struct rsi_common *common);
  65int rsi_usb_write_register_multiple(struct rsi_hw *adapter, u32 addr,
  66                                    u8 *data, u32 count);
  67void rsi_usb_rx_thread(struct rsi_common *common);
  68#endif
  69