rtw_io.c
5.5 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
******************************************************************************/
/*
The purpose of rtw_io.c
a. provides the API
b. provides the protocol engine
c. provides the software interface between caller and the hardware interface
Compiler Flag Option:
1. CONFIG_SDIO_HCI:
a. USE_SYNC_IRP: Only sync operations are provided.
b. USE_ASYNC_IRP:Both sync/async operations are provided.
jackson@realtek.com.tw
*/
#define _RTW_IO_C_
#include <drv_types.h>
#include <rtw_debug.h>
#define rtw_le16_to_cpu(val) val
#define rtw_le32_to_cpu(val) val
#define rtw_cpu_to_le16(val) val
#define rtw_cpu_to_le32(val) val
u8 _rtw_read8(struct adapter *adapter, u32 addr)
{
u8 r_val;
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
_read8 = pintfhdl->io_ops._read8;
r_val = _read8(pintfhdl, addr);
return r_val;
}
u16 _rtw_read16(struct adapter *adapter, u32 addr)
{
u16 r_val;
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
_read16 = pintfhdl->io_ops._read16;
r_val = _read16(pintfhdl, addr);
return rtw_le16_to_cpu(r_val);
}
u32 _rtw_read32(struct adapter *adapter, u32 addr)
{
u32 r_val;
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
_read32 = pintfhdl->io_ops._read32;
r_val = _read32(pintfhdl, addr);
return rtw_le32_to_cpu(r_val);
}
int _rtw_write8(struct adapter *adapter, u32 addr, u8 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
int ret;
_write8 = pintfhdl->io_ops._write8;
ret = _write8(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write16(struct adapter *adapter, u32 addr, u16 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
int ret;
_write16 = pintfhdl->io_ops._write16;
ret = _write16(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
int _rtw_write32(struct adapter *adapter, u32 addr, u32 val)
{
/* struct io_queue *pio_queue = (struct io_queue *)adapter->pio_queue; */
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
int (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
int ret;
_write32 = pintfhdl->io_ops._write32;
ret = _write32(pintfhdl, addr, val);
return RTW_STATUS_CODE(ret);
}
u8 _rtw_sd_f0_read8(struct adapter *adapter, u32 addr)
{
u8 r_val = 0x00;
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u8 (*_sd_f0_read8)(struct intf_hdl *pintfhdl, u32 addr);
_sd_f0_read8 = pintfhdl->io_ops._sd_f0_read8;
if (_sd_f0_read8)
r_val = _sd_f0_read8(pintfhdl, addr);
else
DBG_871X_LEVEL(_drv_warning_, FUNC_ADPT_FMT" _sd_f0_read8 callback is NULL\n", FUNC_ADPT_ARG(adapter));
return r_val;
}
u32 _rtw_write_port(struct adapter *adapter, u32 addr, u32 cnt, u8 *pmem)
{
u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *pmem);
struct io_priv *pio_priv = &adapter->iopriv;
struct intf_hdl *pintfhdl = &(pio_priv->intf);
u32 ret = _SUCCESS;
_write_port = pintfhdl->io_ops._write_port;
ret = _write_port(pintfhdl, addr, cnt, pmem);
return ret;
}
int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct adapter *padapter, struct _io_ops *pops))
{
struct io_priv *piopriv = &padapter->iopriv;
struct intf_hdl *pintf = &piopriv->intf;
if (set_intf_ops == NULL)
return _FAIL;
piopriv->padapter = padapter;
pintf->padapter = padapter;
pintf->pintf_dev = adapter_to_dvobj(padapter);
set_intf_ops(padapter, &pintf->io_ops);
return _SUCCESS;
}
/*
* Increase and check if the continual_io_error of this @param dvobjprive is larger than MAX_CONTINUAL_IO_ERR
* @return true:
* @return false:
*/
int rtw_inc_and_chk_continual_io_error(struct dvobj_priv *dvobj)
{
int ret = false;
int value = atomic_inc_return(&dvobj->continual_io_error);
if (value > MAX_CONTINUAL_IO_ERR) {
DBG_871X("[dvobj:%p][ERROR] continual_io_error:%d > %d\n", dvobj, value, MAX_CONTINUAL_IO_ERR);
ret = true;
} else {
/* DBG_871X("[dvobj:%p] continual_io_error:%d\n", dvobj, value); */
}
return ret;
}
/*
* Set the continual_io_error of this @param dvobjprive to 0
*/
void rtw_reset_continual_io_error(struct dvobj_priv *dvobj)
{
atomic_set(&dvobj->continual_io_error, 0);
}