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 IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB)) 21 22 #define AR9271_FIRMWARE 0x501000 23 #define AR9271_FIRMWARE_TEXT 0x903000 24 #define AR7010_FIRMWARE_TEXT 0x906000 25 26 #define FIRMWARE_DOWNLOAD 0x30 27 #define FIRMWARE_DOWNLOAD_COMP 0x31 28 29 #define ATH_USB_RX_STREAM_MODE_TAG 0x4e00 30 #define ATH_USB_TX_STREAM_MODE_TAG 0x697e 31 32 /* FIXME: Verify these numbers (with Windows) */ 33 #define MAX_TX_URB_NUM 8 34 #define MAX_TX_BUF_NUM 1024 35 #define MAX_TX_BUF_SIZE 32768 36 #define MAX_TX_AGGR_NUM 20 37 38 #define MAX_RX_URB_NUM 8 39 #define MAX_RX_BUF_SIZE 16384 40 #define MAX_PKT_NUM_IN_TRANSFER 10 41 42 #define MAX_REG_OUT_URB_NUM 1 43 #define MAX_REG_OUT_BUF_NUM 8 44 45 #define MAX_REG_IN_BUF_SIZE 64 46 47 /* USB Endpoint definition */ 48 #define USB_WLAN_TX_PIPE 1 49 #define USB_WLAN_RX_PIPE 2 50 #define USB_REG_IN_PIPE 3 51 #define USB_REG_OUT_PIPE 4 52 53 #define HIF_USB_MAX_RXPIPES 2 54 #define HIF_USB_MAX_TXPIPES 4 55 56 struct tx_buf { 57 u8 *buf; 58 u16 len; 59 u16 offset; 60 struct urb *urb; 61 struct sk_buff_head skb_queue; 62 struct hif_device_usb *hif_dev; 63 struct list_head list; 64 }; 65 66 #define HIF_USB_TX_STOP BIT(0) 67 #define HIF_USB_TX_FLUSH BIT(1) 68 69 struct hif_usb_tx { 70 u8 flags; 71 u8 tx_buf_cnt; 72 u16 tx_skb_cnt; 73 struct sk_buff_head tx_skb_queue; 74 struct list_head tx_buf; 75 struct list_head tx_pending; 76 spinlock_t tx_lock; 77 }; 78 79 struct cmd_buf { 80 struct sk_buff *skb; 81 struct hif_device_usb *hif_dev; 82 }; 83 84 #define HIF_USB_START BIT(0) 85 86 struct hif_device_usb { 87 u16 device_id; 88 struct usb_device *udev; 89 struct usb_interface *interface; 90 const struct firmware *firmware; 91 struct htc_target *htc_handle; 92 struct hif_usb_tx tx; 93 struct urb *reg_in_urb; 94 struct usb_anchor regout_submitted; 95 struct usb_anchor rx_submitted; 96 struct sk_buff *remain_skb; 97 const char *fw_name; 98 int rx_remain_len; 99 int rx_pkt_len; 100 int rx_transfer_len; 101 int rx_pad_len; 102 spinlock_t rx_lock; 103 u8 flags; /* HIF_USB_* */ 104 }; 105 106 int ath9k_hif_usb_init(void); 107 void ath9k_hif_usb_exit(void); 108 109 #endif /* HTC_USB_H */ 110