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Viewing changes to drivers/staging/rt2860/common/rt_rf.c

  • Committer: Package Import Robot
  • Author(s): John Rigby, John Rigby
  • Date: 2011-09-26 10:44:23 UTC
  • Revision ID: package-import@ubuntu.com-20110926104423-3o58a3c1bj7x00rs
Tags: 3.0.0-1007.9
https://launchpad.net/bugs/826021
[ John Rigby ]

Enable crypto modules and remove crypto-modules from
exclude-module files
LP: #826021

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drivers/staging/rt2860/common/rt_rf.c
1
 
/*
2
 
 *************************************************************************
3
 
 * Ralink Tech Inc.
4
 
 * 5F., No.36, Taiyuan St., Jhubei City,
5
 
 * Hsinchu County 302,
6
 
 * Taiwan, R.O.C.
7
 
 *
8
 
 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9
 
 *
10
 
 * This program is free software; you can redistribute it and/or modify  *
11
 
 * it under the terms of the GNU General Public License as published by  *
12
 
 * the Free Software Foundation; either version 2 of the License, or     *
13
 
 * (at your option) any later version.                                   *
14
 
 *                                                                       *
15
 
 * This program is distributed in the hope that it will be useful,       *
16
 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
17
 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
18
 
 * GNU General Public License for more details.                          *
19
 
 *                                                                       *
20
 
 * You should have received a copy of the GNU General Public License     *
21
 
 * along with this program; if not, write to the                         *
22
 
 * Free Software Foundation, Inc.,                                       *
23
 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
24
 
 *                                                                       *
25
 
 *************************************************************************
26
 
 
27
 
        Module Name:
28
 
        rt_rf.c
29
 
 
30
 
        Abstract:
31
 
        Ralink Wireless driver RF related functions
32
 
 
33
 
        Revision History:
34
 
        Who         When          What
35
 
        --------    ----------    ----------------------------------------------
36
 
*/
37
 
 
38
 
#include "../rt_config.h"
39
 
 
40
 
#ifdef RTMP_RF_RW_SUPPORT
41
 
/*
42
 
        ========================================================================
43
 
 
44
 
        Routine Description: Write RT30xx RF register through MAC
45
 
 
46
 
        Arguments:
47
 
 
48
 
        Return Value:
49
 
 
50
 
        IRQL =
51
 
 
52
 
        Note:
53
 
 
54
 
        ========================================================================
55
 
*/
56
 
int RT30xxWriteRFRegister(struct rt_rtmp_adapter *pAd,
57
 
                                  u8 regID, u8 value)
58
 
{
59
 
        RF_CSR_CFG_STRUC rfcsr;
60
 
        u32 i = 0;
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62
 
        do {
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                RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word);
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65
 
                if (!rfcsr.field.RF_CSR_KICK)
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                        break;
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                i++;
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        }
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        while ((i < RETRY_LIMIT)
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               && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)));
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        if ((i == RETRY_LIMIT)
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            || (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))) {
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                DBGPRINT_RAW(RT_DEBUG_ERROR,
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                             ("Retry count exhausted or device removed!\n"));
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                return STATUS_UNSUCCESSFUL;
77
 
        }
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79
 
        rfcsr.field.RF_CSR_WR = 1;
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        rfcsr.field.RF_CSR_KICK = 1;
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        rfcsr.field.TESTCSR_RFACC_REGNUM = regID;
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        rfcsr.field.RF_CSR_DATA = value;
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84
 
        RTMP_IO_WRITE32(pAd, RF_CSR_CFG, rfcsr.word);
85
 
 
86
 
        return NDIS_STATUS_SUCCESS;
87
 
}
88
 
 
89
 
/*
90
 
        ========================================================================
91
 
 
92
 
        Routine Description: Read RT30xx RF register through MAC
93
 
 
94
 
        Arguments:
95
 
 
96
 
        Return Value:
97
 
 
98
 
        IRQL =
99
 
 
100
 
        Note:
101
 
 
102
 
        ========================================================================
103
 
*/
104
 
int RT30xxReadRFRegister(struct rt_rtmp_adapter *pAd,
105
 
                                 u8 regID, u8 *pValue)
106
 
{
107
 
        RF_CSR_CFG_STRUC rfcsr;
108
 
        u32 i = 0, k = 0;
109
 
 
110
 
        for (i = 0; i < MAX_BUSY_COUNT; i++) {
111
 
                RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word);
112
 
 
113
 
                if (rfcsr.field.RF_CSR_KICK == BUSY) {
114
 
                        continue;
115
 
                }
116
 
                rfcsr.word = 0;
117
 
                rfcsr.field.RF_CSR_WR = 0;
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                rfcsr.field.RF_CSR_KICK = 1;
119
 
                rfcsr.field.TESTCSR_RFACC_REGNUM = regID;
120
 
                RTMP_IO_WRITE32(pAd, RF_CSR_CFG, rfcsr.word);
121
 
                for (k = 0; k < MAX_BUSY_COUNT; k++) {
122
 
                        RTMP_IO_READ32(pAd, RF_CSR_CFG, &rfcsr.word);
123
 
 
124
 
                        if (rfcsr.field.RF_CSR_KICK == IDLE)
125
 
                                break;
126
 
                }
127
 
                if ((rfcsr.field.RF_CSR_KICK == IDLE) &&
128
 
                    (rfcsr.field.TESTCSR_RFACC_REGNUM == regID)) {
129
 
                        *pValue = (u8)rfcsr.field.RF_CSR_DATA;
130
 
                        break;
131
 
                }
132
 
        }
133
 
        if (rfcsr.field.RF_CSR_KICK == BUSY) {
134
 
                DBGPRINT_ERR("RF read R%d=0x%x fail, i[%d], k[%d]\n", regID, rfcsr.word, i, k);
135
 
                return STATUS_UNSUCCESSFUL;
136
 
        }
137
 
 
138
 
        return STATUS_SUCCESS;
139
 
}
140
 
 
141
 
void NICInitRFRegisters(struct rt_rtmp_adapter *pAd)
142
 
{
143
 
        if (pAd->chipOps.AsicRfInit)
144
 
                pAd->chipOps.AsicRfInit(pAd);
145
 
}
146
 
 
147
 
void RtmpChipOpsRFHook(struct rt_rtmp_adapter *pAd)
148
 
{
149
 
        struct rt_rtmp_chip_op *pChipOps = &pAd->chipOps;
150
 
 
151
 
        pChipOps->pRFRegTable = NULL;
152
 
        pChipOps->AsicRfInit = NULL;
153
 
        pChipOps->AsicRfTurnOn = NULL;
154
 
        pChipOps->AsicRfTurnOff = NULL;
155
 
        pChipOps->AsicReverseRfFromSleepMode = NULL;
156
 
        pChipOps->AsicHaltAction = NULL;
157
 
        /* We depends on RfICType and MACVersion to assign the corresponding operation callbacks. */
158
 
 
159
 
#ifdef RT30xx
160
 
        if (IS_RT30xx(pAd)) {
161
 
                pChipOps->pRFRegTable = RT30xx_RFRegTable;
162
 
                pChipOps->AsicHaltAction = RT30xxHaltAction;
163
 
#ifdef RT3070
164
 
                if ((IS_RT3070(pAd) || IS_RT3071(pAd))
165
 
                    && (pAd->infType == RTMP_DEV_INF_USB)) {
166
 
                        pChipOps->AsicRfInit = NICInitRT3070RFRegisters;
167
 
                        if (IS_RT3071(pAd)) {
168
 
                                pChipOps->AsicRfTurnOff =
169
 
                                    RT30xxLoadRFSleepModeSetup;
170
 
                                pChipOps->AsicReverseRfFromSleepMode =
171
 
                                    RT30xxReverseRFSleepModeSetup;
172
 
                        }
173
 
                }
174
 
#endif /* RT3070 // */
175
 
#ifdef RT3090
176
 
                if (IS_RT3090(pAd) && (pAd->infType == RTMP_DEV_INF_PCI)) {
177
 
                        pChipOps->AsicRfTurnOff = RT30xxLoadRFSleepModeSetup;
178
 
                        pChipOps->AsicRfInit = NICInitRT3090RFRegisters;
179
 
                        pChipOps->AsicReverseRfFromSleepMode =
180
 
                            RT30xxReverseRFSleepModeSetup;
181
 
                }
182
 
#endif /* RT3090 // */
183
 
        }
184
 
#endif /* RT30xx // */
185
 
}
186
 
 
187
 
#endif /* RTMP_RF_RW_SUPPORT // */