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kernel/linux-rt-4.4.41/drivers/net/wireless/ath/ath9k/hif_usb.h 3.54 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (c) 2010-2011 Atheros Communications Inc.
   *
   * Permission to use, copy, modify, and/or distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  #ifndef HTC_USB_H
  #define HTC_USB_H
  
  /* old firmware images */
  #define FIRMWARE_AR7010_1_1     "htc_7010.fw"
  #define FIRMWARE_AR9271         "htc_9271.fw"
  
  /* supported Major FW version */
  #define MAJOR_VERSION_REQ 1
  #define MINOR_VERSION_REQ 3
  /* minimal and maximal supported Minor FW version. */
  #define FIRMWARE_MINOR_IDX_MAX  4
  #define FIRMWARE_MINOR_IDX_MIN  3
  #define HTC_FW_PATH	"ath9k_htc"
  
  #define HTC_9271_MODULE_FW  HTC_FW_PATH "/htc_9271-" \
  			__stringify(MAJOR_VERSION_REQ) \
  			"." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"
  #define HTC_7010_MODULE_FW  HTC_FW_PATH "/htc_7010-" \
  			__stringify(MAJOR_VERSION_REQ) \
  			"." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw"
  
  extern int htc_use_dev_fw;
  
  #define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB))
  
  #define AR9271_FIRMWARE       0x501000
  #define AR9271_FIRMWARE_TEXT  0x903000
  #define AR7010_FIRMWARE_TEXT  0x906000
  
  #define FIRMWARE_DOWNLOAD       0x30
  #define FIRMWARE_DOWNLOAD_COMP  0x31
  
  #define ATH_USB_RX_STREAM_MODE_TAG 0x4e00
  #define ATH_USB_TX_STREAM_MODE_TAG 0x697e
  
  /* FIXME: Verify these numbers (with Windows) */
  #define MAX_TX_URB_NUM  8
  #define MAX_TX_BUF_NUM  256
  #define MAX_TX_BUF_SIZE 32768
  #define MAX_TX_AGGR_NUM 20
  
  #define MAX_RX_URB_NUM  8
  #define MAX_RX_BUF_SIZE 16384
  #define MAX_PKT_NUM_IN_TRANSFER 10
  
  #define MAX_REG_OUT_URB_NUM  1
  #define MAX_REG_IN_URB_NUM   64
  
  #define MAX_REG_IN_BUF_SIZE 64
  
  /* USB Endpoint definition */
  #define USB_WLAN_TX_PIPE  1
  #define USB_WLAN_RX_PIPE  2
  #define USB_REG_IN_PIPE   3
  #define USB_REG_OUT_PIPE  4
  
  #define HIF_USB_MAX_RXPIPES 2
  #define HIF_USB_MAX_TXPIPES 4
  
  struct tx_buf {
  	u8 *buf;
  	u16 len;
  	u16 offset;
  	struct urb *urb;
  	struct sk_buff_head skb_queue;
  	struct hif_device_usb *hif_dev;
  	struct list_head list;
  };
  
  #define HIF_USB_TX_STOP  BIT(0)
  #define HIF_USB_TX_FLUSH BIT(1)
  
  struct hif_usb_tx {
  	u8 flags;
  	u8 tx_buf_cnt;
  	u16 tx_skb_cnt;
  	struct sk_buff_head tx_skb_queue;
  	struct list_head tx_buf;
  	struct list_head tx_pending;
  	spinlock_t tx_lock;
  };
  
  struct cmd_buf {
  	struct sk_buff *skb;
  	struct hif_device_usb *hif_dev;
  };
  
  #define HIF_USB_START BIT(0)
  #define HIF_USB_READY BIT(1)
  
  struct hif_device_usb {
  	struct usb_device *udev;
  	struct usb_interface *interface;
  	const struct usb_device_id *usb_device_id;
  	const void *fw_data;
  	size_t fw_size;
  	struct completion fw_done;
  	struct htc_target *htc_handle;
  	struct hif_usb_tx tx;
  	struct usb_anchor regout_submitted;
  	struct usb_anchor rx_submitted;
  	struct usb_anchor reg_in_submitted;
  	struct usb_anchor mgmt_submitted;
  	struct sk_buff *remain_skb;
  	char fw_name[32];
  	int fw_minor_index;
  	int rx_remain_len;
  	int rx_pkt_len;
  	int rx_transfer_len;
  	int rx_pad_len;
  	spinlock_t rx_lock;
  	u8 flags; /* HIF_USB_* */
  };
  
  int ath9k_hif_usb_init(void);
  void ath9k_hif_usb_exit(void);
  
  #endif /* HTC_USB_H */