drivers/net/wireless/marvell/mwifiex/usb.h

   1 /*
   2  * This file contains definitions for mwifiex USB interface driver.
   3  *
   4  * Copyright (C) 2012-2014, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #ifndef _MWIFIEX_USB_H
  21 #define _MWIFIEX_USB_H
  22
  23 #include <linux/completion.h>
  24 #include <linux/usb.h>
  25
  26 #define USB8XXX_VID             0x1286
  27
  28 #define USB8766_PID_1           0x2041
  29 #define USB8766_PID_2           0x2042
  30 #define USB8797_PID_1           0x2043
  31 #define USB8797_PID_2           0x2044
  32 #define USB8801_PID_1           0x2049
  33 #define USB8801_PID_2           0x204a
  34 #define USB8997_PID_1           0x2052
  35 #define USB8997_PID_2           0x204e
  36
  37
  38 #define USB8XXX_FW_DNLD         1
  39 #define USB8XXX_FW_READY        2
  40 #define USB8XXX_FW_MAX_RETRY    3
  41
  42 #define MWIFIEX_TX_DATA_PORT    2
  43 #define MWIFIEX_TX_DATA_URB     6
  44 #define MWIFIEX_RX_DATA_URB     6
  45 #define MWIFIEX_USB_TIMEOUT     100
  46
  47 #define USB8766_DEFAULT_FW_NAME "mrvl/usb8766_uapsta.bin"
  48 #define USB8797_DEFAULT_FW_NAME "mrvl/usb8797_uapsta.bin"
  49 #define USB8801_DEFAULT_FW_NAME "mrvl/usb8801_uapsta.bin"
  50 #define USB8997_DEFAULT_FW_NAME "mrvl/usbusb8997_combo_v4.bin"
  51
  52 #define FW_DNLD_TX_BUF_SIZE     620
  53 #define FW_DNLD_RX_BUF_SIZE     2048
  54 #define FW_HAS_LAST_BLOCK       0x00000004
  55 #define FW_CMD_7                0x00000007
  56
  57 #define FW_DATA_XMIT_SIZE \
  58         (sizeof(struct fw_header) + dlen + sizeof(u32))
  59
  60 struct urb_context {
  61         struct mwifiex_adapter *adapter;
  62         struct sk_buff *skb;
  63         struct urb *urb;
  64         u8 ep;
  65 };
  66
  67 #define MWIFIEX_USB_TX_AGGR_TMO_MIN     1
  68 #define MWIFIEX_USB_TX_AGGR_TMO_MAX     4
  69
  70 struct tx_aggr_tmr_cnxt {
  71         struct mwifiex_adapter *adapter;
  72         struct usb_tx_data_port *port;
  73         struct timer_list hold_timer;
  74         bool is_hold_timer_set;
  75         u32 hold_tmo_msecs;
  76 };
  77
  78 struct usb_tx_aggr {
  79         struct sk_buff_head aggr_list;
  80         int aggr_len;
  81         int aggr_num;
  82         struct tx_aggr_tmr_cnxt timer_cnxt;
  83 };
  84
  85 struct usb_tx_data_port {
  86         u8 tx_data_ep;
  87         u8 block_status;
  88         atomic_t tx_data_urb_pending;
  89         int tx_data_ix;
  90         struct urb_context tx_data_list[MWIFIEX_TX_DATA_URB];
  91         /* usb tx aggregation*/
  92         struct usb_tx_aggr tx_aggr;
  93         struct sk_buff *skb_aggr[MWIFIEX_TX_DATA_URB];
  94         /* lock for protect tx aggregation data path*/
  95         spinlock_t tx_aggr_lock;
  96 };
  97
  98 struct usb_card_rec {
  99         struct mwifiex_adapter *adapter;
 100         struct usb_device *udev;
 101         struct usb_interface *intf;
 102         struct completion fw_done;
 103         u8 rx_cmd_ep;
 104         struct urb_context rx_cmd;
 105         atomic_t rx_cmd_urb_pending;
 106         struct urb_context rx_data_list[MWIFIEX_RX_DATA_URB];
 107         u8 usb_boot_state;
 108         u8 rx_data_ep;
 109         atomic_t rx_data_urb_pending;
 110         u8 tx_cmd_ep;
 111         atomic_t tx_cmd_urb_pending;
 112         int bulk_out_maxpktsize;
 113         struct urb_context tx_cmd;
 114         u8 mc_resync_flag;
 115         struct usb_tx_data_port port[MWIFIEX_TX_DATA_PORT];
 116         int rx_cmd_ep_type;
 117         u8 rx_cmd_interval;
 118         int tx_cmd_ep_type;
 119         u8 tx_cmd_interval;
 120 };
 121
 122 struct fw_header {
 123         __le32 dnld_cmd;
 124         __le32 base_addr;
 125         __le32 data_len;
 126         __le32 crc;
 127 };
 128
 129 struct fw_sync_header {
 130         __le32 cmd;
 131         __le32 seq_num;
 132 } __packed;
 133
 134 struct fw_data {
 135         struct fw_header fw_hdr;
 136         __le32 seq_num;
 137         u8 data[1];
 138 } __packed;
 139
 140 #endif /*_MWIFIEX_USB_H */