1/* 2 * Copyright (c) 2010 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#define AR9271_FIRMWARE 0x501000 21#define AR9271_FIRMWARE_TEXT 0x903000 22#define AR7010_FIRMWARE_TEXT 0x906000 23 24#define FIRMWARE_DOWNLOAD 0x30 25#define FIRMWARE_DOWNLOAD_COMP 0x31 26 27#define ATH_USB_RX_STREAM_MODE_TAG 0x4e00 28#define ATH_USB_TX_STREAM_MODE_TAG 0x697e 29 30#define MAX_TX_URB_NUM 8 31#define MAX_TX_BUF_NUM 1024 32#define MAX_TX_BUF_SIZE 32768 33#define MAX_TX_AGGR_NUM 20 34 35#define MAX_RX_URB_NUM 8 36#define MAX_RX_BUF_SIZE 16384 37#define MAX_PKT_NUM_IN_TRANSFER 10 38 39#define MAX_REG_OUT_URB_NUM 1 40#define MAX_REG_OUT_BUF_NUM 8 41 42#define MAX_REG_IN_BUF_SIZE 64 43 44/* USB Endpoint definition */ 45#define USB_WLAN_TX_PIPE 1 46#define USB_WLAN_RX_PIPE 2 47#define USB_REG_IN_PIPE 3 48#define USB_REG_OUT_PIPE 4 49 50#define HIF_USB_MAX_RXPIPES 2 51#define HIF_USB_MAX_TXPIPES 4 52 53struct tx_buf { 54 u8 *buf; 55 u16 len; 56 u16 offset; 57 struct urb *urb; 58 struct sk_buff_head skb_queue; 59 struct hif_device_usb *hif_dev; 60 struct list_head list; 61}; 62 63#define HIF_USB_TX_STOP BIT(0) 64#define HIF_USB_TX_FLUSH BIT(1) 65 66struct hif_usb_tx { 67 u8 flags; 68 u8 tx_buf_cnt; 69 u16 tx_skb_cnt; 70 struct sk_buff_head tx_skb_queue; 71 struct list_head tx_buf; 72 struct list_head tx_pending; 73 spinlock_t tx_lock; 74}; 75 76struct cmd_buf { 77 struct sk_buff *skb; 78 struct hif_device_usb *hif_dev; 79}; 80 81#define HIF_USB_START BIT(0) 82 83struct hif_device_usb { 84 u16 device_id; 85 struct usb_device *udev; 86 struct usb_interface *interface; 87 const struct firmware *firmware; 88 struct htc_target *htc_handle; 89 struct hif_usb_tx tx; 90 struct urb *reg_in_urb; 91 struct usb_anchor regout_submitted; 92 struct usb_anchor rx_submitted; 93 struct sk_buff *remain_skb; 94 const char *fw_name; 95 int rx_remain_len; 96 int rx_pkt_len; 97 int rx_transfer_len; 98 int rx_pad_len; 99 spinlock_t rx_lock; 100 u8 flags; /* HIF_USB_* */ 101}; 102 103int ath9k_hif_usb_init(void); 104void ath9k_hif_usb_exit(void); 105 106#endif /* HTC_USB_H */ 107