diff options
Diffstat (limited to 'drivers/staging/rt2860/common/ee_prom.c')
| -rw-r--r-- | drivers/staging/rt2860/common/ee_prom.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/drivers/staging/rt2860/common/ee_prom.c b/drivers/staging/rt2860/common/ee_prom.c deleted file mode 100644 index 2083740a844b..000000000000 --- a/drivers/staging/rt2860/common/ee_prom.c +++ /dev/null @@ -1,197 +0,0 @@ -/* - ************************************************************************* - * Ralink Tech Inc. - * 5F., No.36, Taiyuan St., Jhubei City, - * Hsinchu County 302, - * Taiwan, R.O.C. - * - * (c) Copyright 2002-2007, Ralink Technology, Inc. - * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * 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. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - * * - ************************************************************************* - - Module Name: - ee_prom.c - - Abstract: - Miniport generic portion header file - - Revision History: - Who When What - -------- ---------- ---------------------------------------------- -*/ - -#include "../rt_config.h" - -/* IRQL = PASSIVE_LEVEL */ -static inline void RaiseClock(struct rt_rtmp_adapter *pAd, u32 * x) -{ - *x = *x | EESK; - RTMP_IO_WRITE32(pAd, E2PROM_CSR, *x); - RTMPusecDelay(1); /* Max frequency = 1MHz in Spec. definition */ -} - -/* IRQL = PASSIVE_LEVEL */ -static inline void LowerClock(struct rt_rtmp_adapter *pAd, u32 * x) -{ - *x = *x & ~EESK; - RTMP_IO_WRITE32(pAd, E2PROM_CSR, *x); - RTMPusecDelay(1); -} - -/* IRQL = PASSIVE_LEVEL */ -static inline u16 ShiftInBits(struct rt_rtmp_adapter *pAd) -{ - u32 x, i; - u16 data = 0; - - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - - x &= ~(EEDO | EEDI); - - for (i = 0; i < 16; i++) { - data = data << 1; - RaiseClock(pAd, &x); - - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - LowerClock(pAd, &x); /*prevent read failed */ - - x &= ~(EEDI); - if (x & EEDO) - data |= 1; - } - - return data; -} - -/* IRQL = PASSIVE_LEVEL */ -static inline void ShiftOutBits(struct rt_rtmp_adapter *pAd, - u16 data, u16 count) -{ - u32 x, mask; - - mask = 0x01 << (count - 1); - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - - x &= ~(EEDO | EEDI); - - do { - x &= ~EEDI; - if (data & mask) - x |= EEDI; - - RTMP_IO_WRITE32(pAd, E2PROM_CSR, x); - - RaiseClock(pAd, &x); - LowerClock(pAd, &x); - - mask = mask >> 1; - } while (mask); - - x &= ~EEDI; - RTMP_IO_WRITE32(pAd, E2PROM_CSR, x); -} - -/* IRQL = PASSIVE_LEVEL */ -static inline void EEpromCleanup(struct rt_rtmp_adapter *pAd) -{ - u32 x; - - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - - x &= ~(EECS | EEDI); - RTMP_IO_WRITE32(pAd, E2PROM_CSR, x); - - RaiseClock(pAd, &x); - LowerClock(pAd, &x); -} - -static inline void EWEN(struct rt_rtmp_adapter *pAd) -{ - u32 x; - - /* reset bits and set EECS */ - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - x &= ~(EEDI | EEDO | EESK); - x |= EECS; - RTMP_IO_WRITE32(pAd, E2PROM_CSR, x); - - /* kick a pulse */ - RaiseClock(pAd, &x); - LowerClock(pAd, &x); - - /* output the read_opcode and six pulse in that order */ - ShiftOutBits(pAd, EEPROM_EWEN_OPCODE, 5); - ShiftOutBits(pAd, 0, 6); - - EEpromCleanup(pAd); -} - -static inline void EWDS(struct rt_rtmp_adapter *pAd) -{ - u32 x; - - /* reset bits and set EECS */ - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - x &= ~(EEDI | EEDO | EESK); - x |= EECS; - RTMP_IO_WRITE32(pAd, E2PROM_CSR, x); - - /* kick a pulse */ - RaiseClock(pAd, &x); - LowerClock(pAd, &x); - - /* output the read_opcode and six pulse in that order */ - ShiftOutBits(pAd, EEPROM_EWDS_OPCODE, 5); - ShiftOutBits(pAd, 0, 6); - - EEpromCleanup(pAd); -} - -/* IRQL = PASSIVE_LEVEL */ -int rtmp_ee_prom_read16(struct rt_rtmp_adapter *pAd, - u16 Offset, u16 * pValue) -{ - u32 x; - u16 data; - - Offset /= 2; - /* reset bits and set EECS */ - RTMP_IO_READ32(pAd, E2PROM_CSR, &x); - x &= ~(EEDI | EEDO | EESK); - x |= EECS; - RTMP_IO_WRITE32(pAd, E2PROM_CSR, x); - - /* patch can not access e-Fuse issue */ - if (!(IS_RT3090(pAd) || IS_RT3572(pAd) || IS_RT3390(pAd))) { - /* kick a pulse */ - RaiseClock(pAd, &x); - LowerClock(pAd, &x); - } - /* output the read_opcode and register number in that order */ - ShiftOutBits(pAd, EEPROM_READ_OPCODE, 3); - ShiftOutBits(pAd, Offset, pAd->EEPROMAddressNum); - - /* Now read the data (16 bits) in from the selected EEPROM word */ - data = ShiftInBits(pAd); - - EEpromCleanup(pAd); - - *pValue = data; - - return NDIS_STATUS_SUCCESS; -} |