1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 * usb_ops.c
4 *
5 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
6 * Linux device driver for RTL8192SU
7 *
8 * Modifications for inclusion into the Linux staging tree are
9 * Copyright(c) 2010 Larry Finger. All rights reserved.
10 *
11 * Contact information:
12 * WLAN FAE <wlanfae@realtek.com>
13 * Larry Finger <Larry.Finger@lwfinger.net>
14 *
15 ******************************************************************************/
16
17 #define _HCI_OPS_C_
18
19 #include "osdep_service.h"
20 #include "drv_types.h"
21 #include "osdep_intf.h"
22 #include "usb_ops.h"
23 #include "recv_osdep.h"
24
usb_read8(struct intf_hdl * intfhdl,u32 addr)25 static u8 usb_read8(struct intf_hdl *intfhdl, u32 addr)
26 {
27 u8 request;
28 u8 requesttype;
29 u16 wvalue;
30 u16 index;
31 u16 len;
32 __le32 data;
33 struct intf_priv *intfpriv = intfhdl->pintfpriv;
34
35 request = 0x05;
36 requesttype = 0x01; /* read_in */
37 index = 0;
38 wvalue = (u16)(addr & 0x0000ffff);
39 len = 1;
40 r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
41 requesttype);
42 return (u8)(le32_to_cpu(data) & 0x0ff);
43 }
44
usb_read16(struct intf_hdl * intfhdl,u32 addr)45 static u16 usb_read16(struct intf_hdl *intfhdl, u32 addr)
46 {
47 u8 request;
48 u8 requesttype;
49 u16 wvalue;
50 u16 index;
51 u16 len;
52 __le32 data;
53 struct intf_priv *intfpriv = intfhdl->pintfpriv;
54
55 request = 0x05;
56 requesttype = 0x01; /* read_in */
57 index = 0;
58 wvalue = (u16)(addr & 0x0000ffff);
59 len = 2;
60 r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
61 requesttype);
62 return (u16)(le32_to_cpu(data) & 0xffff);
63 }
64
usb_read32(struct intf_hdl * intfhdl,u32 addr)65 static u32 usb_read32(struct intf_hdl *intfhdl, u32 addr)
66 {
67 u8 request;
68 u8 requesttype;
69 u16 wvalue;
70 u16 index;
71 u16 len;
72 __le32 data;
73 struct intf_priv *intfpriv = intfhdl->pintfpriv;
74
75 request = 0x05;
76 requesttype = 0x01; /* read_in */
77 index = 0;
78 wvalue = (u16)(addr & 0x0000ffff);
79 len = 4;
80 r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
81 requesttype);
82 return le32_to_cpu(data);
83 }
84
usb_write8(struct intf_hdl * intfhdl,u32 addr,u8 val)85 static void usb_write8(struct intf_hdl *intfhdl, u32 addr, u8 val)
86 {
87 u8 request;
88 u8 requesttype;
89 u16 wvalue;
90 u16 index;
91 u16 len;
92 __le32 data;
93 struct intf_priv *intfpriv = intfhdl->pintfpriv;
94
95 request = 0x05;
96 requesttype = 0x00; /* write_out */
97 index = 0;
98 wvalue = (u16)(addr & 0x0000ffff);
99 len = 1;
100 data = cpu_to_le32((u32)val & 0x000000ff);
101 r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
102 requesttype);
103 }
104
usb_write16(struct intf_hdl * intfhdl,u32 addr,u16 val)105 static void usb_write16(struct intf_hdl *intfhdl, u32 addr, u16 val)
106 {
107 u8 request;
108 u8 requesttype;
109 u16 wvalue;
110 u16 index;
111 u16 len;
112 __le32 data;
113 struct intf_priv *intfpriv = intfhdl->pintfpriv;
114
115 request = 0x05;
116 requesttype = 0x00; /* write_out */
117 index = 0;
118 wvalue = (u16)(addr & 0x0000ffff);
119 len = 2;
120 data = cpu_to_le32((u32)val & 0x0000ffff);
121 r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
122 requesttype);
123 }
124
usb_write32(struct intf_hdl * intfhdl,u32 addr,u32 val)125 static void usb_write32(struct intf_hdl *intfhdl, u32 addr, u32 val)
126 {
127 u8 request;
128 u8 requesttype;
129 u16 wvalue;
130 u16 index;
131 u16 len;
132 __le32 data;
133 struct intf_priv *intfpriv = intfhdl->pintfpriv;
134
135 request = 0x05;
136 requesttype = 0x00; /* write_out */
137 index = 0;
138 wvalue = (u16)(addr & 0x0000ffff);
139 len = 4;
140 data = cpu_to_le32(val);
141 r8712_usbctrl_vendorreq(intfpriv, request, wvalue, index, &data, len,
142 requesttype);
143 }
144
r8712_usb_set_intf_option(u32 * option)145 void r8712_usb_set_intf_option(u32 *option)
146 {
147 *option = ((*option) | _INTF_ASYNC_);
148 }
149
usb_intf_hdl_init(u8 * priv)150 static void usb_intf_hdl_init(u8 *priv)
151 {
152 }
153
usb_intf_hdl_unload(u8 * priv)154 static void usb_intf_hdl_unload(u8 *priv)
155 {
156 }
157
usb_intf_hdl_open(u8 * priv)158 static void usb_intf_hdl_open(u8 *priv)
159 {
160 }
161
usb_intf_hdl_close(u8 * priv)162 static void usb_intf_hdl_close(u8 *priv)
163 {
164 }
165
r8712_usb_set_intf_funs(struct intf_hdl * intfhdl)166 void r8712_usb_set_intf_funs(struct intf_hdl *intfhdl)
167 {
168 intfhdl->intf_hdl_init = usb_intf_hdl_init;
169 intfhdl->intf_hdl_unload = usb_intf_hdl_unload;
170 intfhdl->intf_hdl_open = usb_intf_hdl_open;
171 intfhdl->intf_hdl_close = usb_intf_hdl_close;
172 }
173
r8712_usb_set_intf_ops(struct _io_ops * ops)174 void r8712_usb_set_intf_ops(struct _io_ops *ops)
175 {
176 memset((u8 *)ops, 0, sizeof(struct _io_ops));
177 ops->_read8 = usb_read8;
178 ops->_read16 = usb_read16;
179 ops->_read32 = usb_read32;
180 ops->_read_port = r8712_usb_read_port;
181 ops->_write8 = usb_write8;
182 ops->_write16 = usb_write16;
183 ops->_write32 = usb_write32;
184 ops->_write_mem = r8712_usb_write_mem;
185 ops->_write_port = r8712_usb_write_port;
186 }
187