1 files changed, 105 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h
new file mode 100644
index 00000000000..7cc3762a678
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.h
@@ -0,0 +1,105 @@
+/*
+ * 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_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;
+        u8 flags;
+
+        struct hif_usb_tx tx;
+
+        struct urb *wlan_rx_data_urb[MAX_RX_URB_NUM];
+        struct urb *reg_in_urb;
+
+        struct sk_buff *remain_skb;
+        int rx_remain_len;
+        int rx_pkt_len;
+        int rx_transfer_len;
+        int rx_pad_len;
+};
+
+int ath9k_hif_usb_init(void);
+void ath9k_hif_usb_exit(void);
+
+#endif /* HTC_USB_H */