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 USB_MSG_TIMEOUT 1000 /* (ms) */ 75 76 #define HIF_USB_MAX_RXPIPES 2 77 #define HIF_USB_MAX_TXPIPES 4 78 79 struct tx_buf { 80 u8 *buf; 81 u16 len; 82 u16 offset; 83 struct urb *urb; 84 struct sk_buff_head skb_queue; 85 struct hif_device_usb *hif_dev; 86 struct list_head list; 87 }; 88 89 #define HIF_USB_TX_STOP BIT(0) 90 #define HIF_USB_TX_FLUSH BIT(1) 91 92 struct hif_usb_tx { 93 u8 flags; 94 u8 tx_buf_cnt; 95 u16 tx_skb_cnt; 96 struct sk_buff_head tx_skb_queue; 97 struct list_head tx_buf; 98 struct list_head tx_pending; 99 spinlock_t tx_lock; 100 }; 101 102 struct cmd_buf { 103 struct sk_buff *skb; 104 struct hif_device_usb *hif_dev; 105 }; 106 107 #define HIF_USB_START BIT(0) 108 #define HIF_USB_READY BIT(1) 109 110 struct hif_device_usb { 111 struct usb_device *udev; 112 struct usb_interface *interface; 113 const struct usb_device_id *usb_device_id; 114 const void *fw_data; 115 size_t fw_size; 116 struct completion fw_done; 117 struct htc_target *htc_handle; 118 struct hif_usb_tx tx; 119 struct usb_anchor regout_submitted; 120 struct usb_anchor rx_submitted; 121 struct usb_anchor reg_in_submitted; 122 struct usb_anchor mgmt_submitted; 123 struct sk_buff *remain_skb; 124 char fw_name[32]; 125 int fw_minor_index; 126 int rx_remain_len; 127 int rx_pkt_len; 128 int rx_transfer_len; 129 int rx_pad_len; 130 spinlock_t rx_lock; 131 u8 flags; /* HIF_USB_* */ 132 }; 133 134 int ath9k_hif_usb_init(void); 135 void ath9k_hif_usb_exit(void); 136 137 #endif /* HTC_USB_H */ 138