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/*
* Copyright (c) 2010 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
#define AR9271_FIRMWARE 0x501000
#define AR9271_FIRMWARE_TEXT 0x903000
#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 1024
#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_OUT_BUF_NUM 8
#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)
struct hif_device_usb {
u16 device_id;
struct usb_device *udev;
struct usb_interface *interface;
const struct firmware *firmware;
struct htc_target *htc_handle;
struct hif_usb_tx tx;
struct urb *reg_in_urb;
struct usb_anchor regout_submitted;
struct usb_anchor rx_submitted;
struct sk_buff *remain_skb;
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 */
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