root/drivers/net/wireless/ath/ath9k/hif_usb.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2010-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 
  17 #ifndef HTC_USB_H
  18 #define HTC_USB_H
  19 
  20 /* old firmware images */
  21 #define FIRMWARE_AR7010_1_1     "htc_7010.fw"
  22 #define FIRMWARE_AR9271         "htc_9271.fw"
  23 
  24 /* supported Major FW version */
  25 #define MAJOR_VERSION_REQ 1
  26 #define MINOR_VERSION_REQ 3
  27 /* minimal and maximal supported Minor FW version. */
  28 #define FIRMWARE_MINOR_IDX_MAX  4
  29 #define FIRMWARE_MINOR_IDX_MIN  3
  30 #define HTC_FW_PATH     "ath9k_htc"
  31 
  32 #define HTC_9271_MODULE_FW  HTC_FW_PATH "/htc_9271-" \
  33                         __stringify(MAJOR_VERSION_REQ) \
  34                         "." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"
  35 #define HTC_7010_MODULE_FW  HTC_FW_PATH "/htc_7010-" \
  36                         __stringify(MAJOR_VERSION_REQ) \
  37                         "." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"
  38 
  39 extern int htc_use_dev_fw;
  40 
  41 #define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB))
  42 
  43 #define AR9271_FIRMWARE       0x501000
  44 #define AR9271_FIRMWARE_TEXT  0x903000
  45 #define AR7010_FIRMWARE_TEXT  0x906000
  46 
  47 #define FIRMWARE_DOWNLOAD       0x30
  48 #define FIRMWARE_DOWNLOAD_COMP  0x31
  49 
  50 #define ATH_USB_RX_STREAM_MODE_TAG 0x4e00
  51 #define ATH_USB_TX_STREAM_MODE_TAG 0x697e
  52 
  53 /* FIXME: Verify these numbers (with Windows) */
  54 #define MAX_TX_URB_NUM  8
  55 #define MAX_TX_BUF_NUM  256
  56 #define MAX_TX_BUF_SIZE 32768
  57 #define MAX_TX_AGGR_NUM 20
  58 
  59 #define MAX_RX_URB_NUM  8
  60 #define MAX_RX_BUF_SIZE 16384
  61 #define MAX_PKT_NUM_IN_TRANSFER 10
  62 
  63 #define MAX_REG_OUT_URB_NUM  1
  64 #define MAX_REG_IN_URB_NUM   64
  65 
  66 #define MAX_REG_IN_BUF_SIZE 64
  67 
  68 /* USB Endpoint definition */
  69 #define USB_WLAN_TX_PIPE  1
  70 #define USB_WLAN_RX_PIPE  2
  71 #define USB_REG_IN_PIPE   3
  72 #define USB_REG_OUT_PIPE  4
  73 
  74 #define USB_MSG_TIMEOUT 1000 /* (ms) */
  75 
  76 #define HIF_USB_MAX_RXPIPES 2
  77 #define HIF_USB_MAX_TXPIPES 4
  78 
  79 struct tx_buf {
  80         u8 *buf;
  81         u16 len;
  82         u16 offset;
  83         struct urb *urb;
  84         struct sk_buff_head skb_queue;
  85         struct hif_device_usb *hif_dev;
  86         struct list_head list;
  87 };
  88 
  89 struct rx_buf {
  90         struct sk_buff *skb;
  91         struct hif_device_usb *hif_dev;
  92 };
  93 
  94 #define HIF_USB_TX_STOP  BIT(0)
  95 #define HIF_USB_TX_FLUSH BIT(1)
  96 
  97 struct hif_usb_tx {
  98         u8 flags;
  99         u8 tx_buf_cnt;
 100         u16 tx_skb_cnt;
 101         struct sk_buff_head tx_skb_queue;
 102         struct list_head tx_buf;
 103         struct list_head tx_pending;
 104         spinlock_t tx_lock;
 105 };
 106 
 107 struct cmd_buf {
 108         struct sk_buff *skb;
 109         struct hif_device_usb *hif_dev;
 110 };
 111 
 112 #define HIF_USB_START BIT(0)
 113 #define HIF_USB_READY BIT(1)
 114 
 115 struct hif_device_usb {
 116         struct usb_device *udev;
 117         struct usb_interface *interface;
 118         const struct usb_device_id *usb_device_id;
 119         const void *fw_data;
 120         size_t fw_size;
 121         struct completion fw_done;
 122         struct htc_target *htc_handle;
 123         struct hif_usb_tx tx;
 124         struct usb_anchor regout_submitted;
 125         struct usb_anchor rx_submitted;
 126         struct usb_anchor reg_in_submitted;
 127         struct usb_anchor mgmt_submitted;
 128         struct sk_buff *remain_skb;
 129         char fw_name[32];
 130         int fw_minor_index;
 131         int rx_remain_len;
 132         int rx_pkt_len;
 133         int rx_transfer_len;
 134         int rx_pad_len;
 135         spinlock_t rx_lock;
 136         u8 flags; /* HIF_USB_* */
 137 };
 138 
 139 int ath9k_hif_usb_init(void);
 140 void ath9k_hif_usb_exit(void);
 141 void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev);
 142 
 143 #endif /* HTC_USB_H */