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 59 struct 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 72 struct 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 82 struct cmd_buf { 83 struct sk_buff *skb; 84 struct hif_device_usb *hif_dev; 85 }; 86 87 #define HIF_USB_START BIT(0) 88 89 struct hif_device_usb { 90 struct usb_device *udev; 91 struct usb_interface *interface; 92 const struct usb_device_id *usb_device_id; 93 const struct firmware *firmware; 94 struct completion fw_done; 95 struct htc_target *htc_handle; 96 struct hif_usb_tx tx; 97 struct usb_anchor regout_submitted; 98 struct usb_anchor rx_submitted; 99 struct usb_anchor reg_in_submitted; 100 struct usb_anchor mgmt_submitted; 101 struct sk_buff *remain_skb; 102 const char *fw_name; 103 int rx_remain_len; 104 int rx_pkt_len; 105 int rx_transfer_len; 106 int rx_pad_len; 107 spinlock_t rx_lock; 108 u8 flags; /* HIF_USB_* */ 109 }; 110 111 int ath9k_hif_usb_init(void); 112 void ath9k_hif_usb_exit(void); 113 114 #endif /* HTC_USB_H */ 115