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 /* old firmware images */ 21 #define FIRMWARE_AR7010_1_1 "htc_7010.fw" 22 #define FIRMWARE_AR9271 "htc_9271.fw" 23 24 /* supported Major FW version */ 25 #define MAJOR_VERSION_REQ 1 26 #define MINOR_VERSION_REQ 3 27 /* minimal and maximal supported Minor FW version. */ 28 #define FIRMWARE_MINOR_IDX_MAX 4 29 #define FIRMWARE_MINOR_IDX_MIN 3 30 #define HTC_FW_PATH "ath9k_htc" 31 32 #define HTC_9271_MODULE_FW HTC_FW_PATH "/htc_9271-" \ 33 __stringify(MAJOR_VERSION_REQ) \ 34 "." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw" 35 #define HTC_7010_MODULE_FW HTC_FW_PATH "/htc_7010-" \ 36 __stringify(MAJOR_VERSION_REQ) \ 37 "." __stringify(FIRMWARE_MINOR_IDX_MAX) ".0.fw" 38 39 extern int htc_use_dev_fw; 40 41 #define IS_AR7010_DEVICE(_v) (((_v) == AR9280_USB) || ((_v) == AR9287_USB)) 42 43 #define AR9271_FIRMWARE 0x501000 44 #define AR9271_FIRMWARE_TEXT 0x903000 45 #define AR7010_FIRMWARE_TEXT 0x906000 46 47 #define FIRMWARE_DOWNLOAD 0x30 48 #define FIRMWARE_DOWNLOAD_COMP 0x31 49 50 #define ATH_USB_RX_STREAM_MODE_TAG 0x4e00 51 #define ATH_USB_TX_STREAM_MODE_TAG 0x697e 52 53 /* FIXME: Verify these numbers (with Windows) */ 54 #define MAX_TX_URB_NUM 8 55 #define MAX_TX_BUF_NUM 256 56 #define MAX_TX_BUF_SIZE 32768 57 #define MAX_TX_AGGR_NUM 20 58 59 #define MAX_RX_URB_NUM 8 60 #define MAX_RX_BUF_SIZE 16384 61 #define MAX_PKT_NUM_IN_TRANSFER 10 62 63 #define MAX_REG_OUT_URB_NUM 1 64 #define MAX_REG_IN_URB_NUM 64 65 66 #define MAX_REG_IN_BUF_SIZE 64 67 68 /* USB Endpoint definition */ 69 #define USB_WLAN_TX_PIPE 1 70 #define USB_WLAN_RX_PIPE 2 71 #define USB_REG_IN_PIPE 3 72 #define USB_REG_OUT_PIPE 4 73 74 #define HIF_USB_MAX_RXPIPES 2 75 #define HIF_USB_MAX_TXPIPES 4 76 77 struct tx_buf { 78 u8 *buf; 79 u16 len; 80 u16 offset; 81 struct urb *urb; 82 struct sk_buff_head skb_queue; 83 struct hif_device_usb *hif_dev; 84 struct list_head list; 85 }; 86 87 struct rx_buf { 88 struct sk_buff *skb; 89 struct hif_device_usb *hif_dev; 90 }; 91 92 #define HIF_USB_TX_STOP BIT(0) 93 #define HIF_USB_TX_FLUSH BIT(1) 94 95 struct hif_usb_tx { 96 u8 flags; 97 u8 tx_buf_cnt; 98 u16 tx_skb_cnt; 99 struct sk_buff_head tx_skb_queue; 100 struct list_head tx_buf; 101 struct list_head tx_pending; 102 spinlock_t tx_lock; 103 }; 104 105 struct cmd_buf { 106 struct sk_buff *skb; 107 struct hif_device_usb *hif_dev; 108 }; 109 110 #define HIF_USB_START BIT(0) 111 #define HIF_USB_READY BIT(1) 112 113 struct hif_device_usb { 114 struct usb_device *udev; 115 struct usb_interface *interface; 116 const struct usb_device_id *usb_device_id; 117 const void *fw_data; 118 size_t fw_size; 119 struct completion fw_done; 120 struct htc_target *htc_handle; 121 struct hif_usb_tx tx; 122 struct usb_anchor regout_submitted; 123 struct usb_anchor rx_submitted; 124 struct usb_anchor reg_in_submitted; 125 struct usb_anchor mgmt_submitted; 126 struct sk_buff *remain_skb; 127 char fw_name[32]; 128 int fw_minor_index; 129 int rx_remain_len; 130 int rx_pkt_len; 131 int rx_transfer_len; 132 int rx_pad_len; 133 spinlock_t rx_lock; 134 u8 flags; /* HIF_USB_* */ 135 }; 136 137 int ath9k_hif_usb_init(void); 138 void ath9k_hif_usb_exit(void); 139 void ath9k_hif_usb_dealloc_urbs(struct hif_device_usb *hif_dev); 140 141 #endif /* HTC_USB_H */ 142