2 *************************************************************************
4 * 5F., No.36, Taiyuan St., Jhubei City,
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
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. *
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. *
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. *
25 *************************************************************************
31 Miniport generic portion header file
35 -------- ---------- ----------------------------------------------
38 #include "../rt_config.h"
40 // IRQL = PASSIVE_LEVEL
41 static inline VOID RaiseClock(IN PRTMP_ADAPTER pAd, IN UINT32 * x)
44 RTMP_IO_WRITE32(pAd, E2PROM_CSR, *x);
45 RTMPusecDelay(1); // Max frequency = 1MHz in Spec. definition
48 // IRQL = PASSIVE_LEVEL
49 static inline VOID LowerClock(IN PRTMP_ADAPTER pAd, IN UINT32 * x)
52 RTMP_IO_WRITE32(pAd, E2PROM_CSR, *x);
56 // IRQL = PASSIVE_LEVEL
57 static inline USHORT ShiftInBits(IN PRTMP_ADAPTER pAd)
62 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
66 for (i = 0; i < 16; i++) {
70 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
71 LowerClock(pAd, &x); //prevent read failed
81 // IRQL = PASSIVE_LEVEL
82 static inline VOID ShiftOutBits(IN PRTMP_ADAPTER pAd,
83 IN USHORT data, IN USHORT count)
87 mask = 0x01 << (count - 1);
88 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
97 RTMP_IO_WRITE32(pAd, E2PROM_CSR, x);
106 RTMP_IO_WRITE32(pAd, E2PROM_CSR, x);
109 // IRQL = PASSIVE_LEVEL
110 static inline VOID EEpromCleanup(IN PRTMP_ADAPTER pAd)
114 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
117 RTMP_IO_WRITE32(pAd, E2PROM_CSR, x);
123 static inline VOID EWEN(IN PRTMP_ADAPTER pAd)
127 // reset bits and set EECS
128 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
129 x &= ~(EEDI | EEDO | EESK);
131 RTMP_IO_WRITE32(pAd, E2PROM_CSR, x);
137 // output the read_opcode and six pulse in that order
138 ShiftOutBits(pAd, EEPROM_EWEN_OPCODE, 5);
139 ShiftOutBits(pAd, 0, 6);
144 static inline VOID EWDS(IN PRTMP_ADAPTER pAd)
148 // reset bits and set EECS
149 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
150 x &= ~(EEDI | EEDO | EESK);
152 RTMP_IO_WRITE32(pAd, E2PROM_CSR, x);
158 // output the read_opcode and six pulse in that order
159 ShiftOutBits(pAd, EEPROM_EWDS_OPCODE, 5);
160 ShiftOutBits(pAd, 0, 6);
165 // IRQL = PASSIVE_LEVEL
166 int rtmp_ee_prom_read16(IN PRTMP_ADAPTER pAd,
167 IN USHORT Offset, OUT USHORT * pValue)
173 // reset bits and set EECS
174 RTMP_IO_READ32(pAd, E2PROM_CSR, &x);
175 x &= ~(EEDI | EEDO | EESK);
177 RTMP_IO_WRITE32(pAd, E2PROM_CSR, x);
179 // patch can not access e-Fuse issue
180 if (!(IS_RT3090(pAd) || IS_RT3572(pAd) || IS_RT3390(pAd))) {
185 // output the read_opcode and register number in that order
186 ShiftOutBits(pAd, EEPROM_READ_OPCODE, 3);
187 ShiftOutBits(pAd, Offset, pAd->EEPROMAddressNum);
189 // Now read the data (16 bits) in from the selected EEPROM word
190 data = ShiftInBits(pAd);
196 return NDIS_STATUS_SUCCESS;