1 /** 2 * @section LICENSE 3 * Copyright (c) 2014 Redpine Signals Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #ifndef __RSI_USB_INTF__ 19 #define __RSI_USB_INTF__ 20 21 #include <linux/usb.h> 22 #include "rsi_main.h" 23 #include "rsi_common.h" 24 25 #define USB_INTERNAL_REG_1 0x25000 26 #define RSI_USB_READY_MAGIC_NUM 0xab 27 #define FW_STATUS_REG 0x41050012 28 #define RSI_TA_HOLD_REG 0x22000844 29 #define RSI_FW_WDT_DISABLE_REQ 0x69 30 31 #define USB_VENDOR_REGISTER_READ 0x15 32 #define USB_VENDOR_REGISTER_WRITE 0x16 33 #define RSI_USB_TX_HEAD_ROOM 128 34 35 #define MAX_RX_URBS 2 36 #define MAX_BULK_EP 8 37 #define WLAN_EP 1 38 #define BT_EP 2 39 40 #define RSI_USB_BUF_SIZE 4096 41 #define RSI_USB_CTRL_BUF_SIZE 0x04 42 43 struct rx_usb_ctrl_block { 44 u8 *data; 45 struct urb *rx_urb; 46 struct sk_buff *rx_skb; 47 u8 ep_num; 48 }; 49 50 struct rsi_91x_usbdev { 51 void *priv; 52 struct rsi_thread rx_thread; 53 u8 endpoint; 54 struct usb_device *usbdev; 55 struct usb_interface *pfunction; 56 struct rx_usb_ctrl_block rx_cb[MAX_RX_URBS]; 57 u8 *tx_buffer; 58 __le16 bulkin_size[MAX_BULK_EP]; 59 u8 bulkin_endpoint_addr[MAX_BULK_EP]; 60 __le16 bulkout_size[MAX_BULK_EP]; 61 u8 bulkout_endpoint_addr[MAX_BULK_EP]; 62 u32 tx_blk_size; 63 u8 write_fail; 64 struct sk_buff_head rx_q; 65 }; 66 67 static inline int rsi_usb_check_queue_status(struct rsi_hw *adapter, u8 q_num) 68 { 69 /* In USB, there isn't any need to check the queue status */ 70 return QUEUE_NOT_FULL; 71 } 72 73 static inline int rsi_usb_event_timeout(struct rsi_hw *adapter) 74 { 75 return EVENT_WAIT_FOREVER; 76 } 77 78 void rsi_usb_rx_thread(struct rsi_common *common); 79 #endif 80