1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
2 /* Copyright(c) 2007 - 2011 Realtek Corporation. */
3 
4 #ifndef __USB_OPS_H_
5 #define __USB_OPS_H_
6 
7 #include "osdep_service.h"
8 #include "drv_types.h"
9 #include "osdep_intf.h"
10 
11 #define REALTEK_USB_VENQT_READ		(USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
12 #define REALTEK_USB_VENQT_WRITE		(USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE)
13 #define REALTEK_USB_VENQT_CMD_REQ	0x05
14 #define REALTEK_USB_VENQT_CMD_IDX	0x00
15 
16 #define ALIGNMENT_UNIT			16
17 #define MAX_VENDOR_REQ_CMD_SIZE	254	/* 8188cu SIE Support */
18 #define MAX_USB_IO_CTL_SIZE	(MAX_VENDOR_REQ_CMD_SIZE + ALIGNMENT_UNIT)
19 
20 #include "usb_ops_linux.h"
21 
22 /*
23  * Increase and check if the continual_urb_error of this @param dvobjprivei
24  * is larger than MAX_CONTINUAL_URB_ERR
25  * @return true:
26  * @return false:
27  */
rtw_inc_and_chk_continual_urb_error(struct dvobj_priv * dvobj)28 static inline int rtw_inc_and_chk_continual_urb_error(struct dvobj_priv *dvobj)
29 {
30 	int ret = false;
31 	int value;
32 	value = atomic_inc_return(&dvobj->continual_urb_error);
33 	if (value > MAX_CONTINUAL_URB_ERR) {
34 		DBG_88E("[dvobj:%p][ERROR] continual_urb_error:%d > %d\n",
35 			dvobj, value, MAX_CONTINUAL_URB_ERR);
36 		ret = true;
37 	}
38 	return ret;
39 }
40 
41 /*
42 * Set the continual_urb_error of this @param dvobjprive to 0
43 */
rtw_reset_continual_urb_error(struct dvobj_priv * dvobj)44 static inline void rtw_reset_continual_urb_error(struct dvobj_priv *dvobj)
45 {
46 	atomic_set(&dvobj->continual_urb_error, 0);
47 }
48 
49 #define USB_HIGH_SPEED_BULK_SIZE	512
50 #define USB_FULL_SPEED_BULK_SIZE	64
51 
rtw_usb_bulk_size_boundary(struct adapter * padapter,int buf_len)52 static inline u8 rtw_usb_bulk_size_boundary(struct adapter *padapter,
53 					    int buf_len)
54 {
55 	u8 rst = true;
56 	struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
57 
58 	if (pdvobjpriv->ishighspeed)
59 		rst = (0 == (buf_len) % USB_HIGH_SPEED_BULK_SIZE) ?
60 		      true : false;
61 	else
62 		rst = (0 == (buf_len) % USB_FULL_SPEED_BULK_SIZE) ?
63 		      true : false;
64 	return rst;
65 }
66 
67 #endif /* __USB_OPS_H_ */
68