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 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
  47struct rx_usb_ctrl_block {
  48        u8 *data;
  49        struct urb *rx_urb;
  50        struct sk_buff *rx_skb;
  51        u8 ep_num;
  52};
  53
  54struct 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
  71static 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
  77static inline int rsi_usb_event_timeout(struct rsi_hw *adapter)
  78{
  79        return EVENT_WAIT_FOREVER;
  80}
  81
  82void rsi_usb_rx_thread(struct rsi_common *common);
  83#endif
  84