| Sujith | fb9987d | 2010-03-17 14:25:25 +0530 | [diff] [blame^] | 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 | |
| 23 | #define FIRMWARE_DOWNLOAD 0x30 |
| 24 | #define FIRMWARE_DOWNLOAD_COMP 0x31 |
| 25 | |
| 26 | #define ATH_USB_RX_STREAM_MODE_TAG 0x4e00 |
| 27 | #define ATH_USB_TX_STREAM_MODE_TAG 0x697e |
| 28 | |
| 29 | /* FIXME: Verify these numbers (with Windows) */ |
| 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 | |
| 38 | #define MAX_REG_OUT_URB_NUM 1 |
| 39 | #define MAX_REG_OUT_BUF_NUM 8 |
| 40 | |
| 41 | #define MAX_REG_IN_BUF_SIZE 64 |
| 42 | |
| 43 | /* USB Endpoint definition */ |
| 44 | #define USB_WLAN_TX_PIPE 1 |
| 45 | #define USB_WLAN_RX_PIPE 2 |
| 46 | #define USB_REG_IN_PIPE 3 |
| 47 | #define USB_REG_OUT_PIPE 4 |
| 48 | |
| 49 | #define HIF_USB_MAX_RXPIPES 2 |
| 50 | #define HIF_USB_MAX_TXPIPES 4 |
| 51 | |
| 52 | struct tx_buf { |
| 53 | u8 *buf; |
| 54 | u16 len; |
| 55 | u16 offset; |
| 56 | struct urb *urb; |
| 57 | struct sk_buff_head skb_queue; |
| 58 | struct hif_device_usb *hif_dev; |
| 59 | struct list_head list; |
| 60 | }; |
| 61 | |
| 62 | #define HIF_USB_TX_STOP BIT(0) |
| 63 | #define HIF_USB_TX_FLUSH BIT(1) |
| 64 | |
| 65 | struct hif_usb_tx { |
| 66 | u8 flags; |
| 67 | u8 tx_buf_cnt; |
| 68 | u16 tx_skb_cnt; |
| 69 | struct sk_buff_head tx_skb_queue; |
| 70 | struct list_head tx_buf; |
| 71 | struct list_head tx_pending; |
| 72 | spinlock_t tx_lock; |
| 73 | }; |
| 74 | |
| 75 | struct cmd_buf { |
| 76 | struct sk_buff *skb; |
| 77 | struct hif_device_usb *hif_dev; |
| 78 | }; |
| 79 | |
| 80 | #define HIF_USB_START BIT(0) |
| 81 | |
| 82 | struct hif_device_usb { |
| 83 | u16 device_id; |
| 84 | struct usb_device *udev; |
| 85 | struct usb_interface *interface; |
| 86 | const struct firmware *firmware; |
| 87 | struct htc_target *htc_handle; |
| 88 | u8 flags; |
| 89 | |
| 90 | struct hif_usb_tx tx; |
| 91 | |
| 92 | struct urb *wlan_rx_data_urb[MAX_RX_URB_NUM]; |
| 93 | struct urb *reg_in_urb; |
| 94 | |
| 95 | struct sk_buff *remain_skb; |
| 96 | int rx_remain_len; |
| 97 | int rx_pkt_len; |
| 98 | int rx_transfer_len; |
| 99 | int rx_pad_len; |
| 100 | }; |
| 101 | |
| 102 | int ath9k_hif_usb_init(void); |
| 103 | void ath9k_hif_usb_exit(void); |
| 104 | |
| 105 | #endif /* HTC_USB_H */ |