1/* 2 * Copyright (c) 2010-2011 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 MAJOR_VERSION_REQ 1 21#define MINOR_VERSION_REQ 3 22 23#define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB)) 24 25#define AR9271_FIRMWARE 0x501000 26#define AR9271_FIRMWARE_TEXT 0x903000 27#define AR7010_FIRMWARE_TEXT 0x906000 28 29#define FIRMWARE_DOWNLOAD 0x30 30#define FIRMWARE_DOWNLOAD_COMP 0x31 31 32#define ATH_USB_RX_STREAM_MODE_TAG 0x4e00 33#define ATH_USB_TX_STREAM_MODE_TAG 0x697e 34 35/* FIXME: Verify these numbers (with Windows) */ 36#define MAX_TX_URB_NUM 8 37#define MAX_TX_BUF_NUM 256 38#define MAX_TX_BUF_SIZE 32768 39#define MAX_TX_AGGR_NUM 20 40 41#define MAX_RX_URB_NUM 8 42#define MAX_RX_BUF_SIZE 16384 43#define MAX_PKT_NUM_IN_TRANSFER 10 44 45#define MAX_REG_OUT_URB_NUM 1 46#define MAX_REG_IN_URB_NUM 64 47 48#define MAX_REG_IN_BUF_SIZE 64 49 50/* USB Endpoint definition */ 51#define USB_WLAN_TX_PIPE 1 52#define USB_WLAN_RX_PIPE 2 53#define USB_REG_IN_PIPE 3 54#define USB_REG_OUT_PIPE 4 55 56#define HIF_USB_MAX_RXPIPES 2 57#define HIF_USB_MAX_TXPIPES 4 58 59struct tx_buf { 60 u8 *buf; 61 u16 len; 62 u16 offset; 63 struct urb *urb; 64 struct sk_buff_head skb_queue; 65 struct hif_device_usb *hif_dev; 66 struct list_head list; 67}; 68 69#define HIF_USB_TX_STOP BIT(0) 70#define HIF_USB_TX_FLUSH BIT(1) 71 72struct hif_usb_tx { 73 u8 flags; 74 u8 tx_buf_cnt; 75 u16 tx_skb_cnt; 76 struct sk_buff_head tx_skb_queue; 77 struct list_head tx_buf; 78 struct list_head tx_pending; 79 spinlock_t tx_lock; 80}; 81 82struct cmd_buf { 83 struct sk_buff *skb; 84 struct hif_device_usb *hif_dev; 85}; 86 87#define HIF_USB_START BIT(0) 88#define HIF_USB_READY BIT(1) 89 90struct hif_device_usb { 91 struct usb_device *udev; 92 struct usb_interface *interface; 93 const struct usb_device_id *usb_device_id; 94 const void *fw_data; 95 size_t fw_size; 96 struct completion fw_done; 97 struct htc_target *htc_handle; 98 struct hif_usb_tx tx; 99 struct usb_anchor regout_submitted; 100 struct usb_anchor rx_submitted; 101 struct usb_anchor reg_in_submitted; 102 struct usb_anchor mgmt_submitted; 103 struct sk_buff *remain_skb; 104 const char *fw_name; 105 int rx_remain_len; 106 int rx_pkt_len; 107 int rx_transfer_len; 108 int rx_pad_len; 109 spinlock_t rx_lock; 110 u8 flags; /* HIF_USB_* */ 111}; 112 113int ath9k_hif_usb_init(void); 114void ath9k_hif_usb_exit(void); 115 116#endif /* HTC_USB_H */ 117