mirror of
https://github.com/Mange/rtl8192eu-linux-driver
synced 2024-11-25 06:55:05 +00:00
424 lines
10 KiB
C
424 lines
10 KiB
C
/******************************************************************************
|
|
*
|
|
* 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.
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
|
|
*
|
|
*
|
|
******************************************************************************/
|
|
#define _RTW_EEPROM_C_
|
|
|
|
#include <drv_conf.h>
|
|
#include <osdep_service.h>
|
|
#include <drv_types.h>
|
|
|
|
void up_clk(_adapter* padapter, u16 *x)
|
|
{
|
|
_func_enter_;
|
|
*x = *x | _EESK;
|
|
rtw_write8(padapter, EE_9346CR, (u8)*x);
|
|
rtw_udelay_os(CLOCK_RATE);
|
|
|
|
_func_exit_;
|
|
|
|
}
|
|
|
|
void down_clk(_adapter * padapter, u16 *x )
|
|
{
|
|
_func_enter_;
|
|
*x = *x & ~_EESK;
|
|
rtw_write8(padapter, EE_9346CR, (u8)*x);
|
|
rtw_udelay_os(CLOCK_RATE);
|
|
_func_exit_;
|
|
}
|
|
|
|
void shift_out_bits(_adapter * padapter, u16 data, u16 count)
|
|
{
|
|
u16 x,mask;
|
|
_func_enter_;
|
|
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
mask = 0x01 << (count - 1);
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
x &= ~(_EEDO | _EEDI);
|
|
|
|
do
|
|
{
|
|
x &= ~_EEDI;
|
|
if(data & mask)
|
|
x |= _EEDI;
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
rtw_write8(padapter, EE_9346CR, (u8)x);
|
|
rtw_udelay_os(CLOCK_RATE);
|
|
up_clk(padapter, &x);
|
|
down_clk(padapter, &x);
|
|
mask = mask >> 1;
|
|
} while(mask);
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
x &= ~_EEDI;
|
|
rtw_write8(padapter, EE_9346CR, (u8)x);
|
|
out:
|
|
_func_exit_;
|
|
}
|
|
|
|
u16 shift_in_bits (_adapter * padapter)
|
|
{
|
|
u16 x,d=0,i;
|
|
_func_enter_;
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
x &= ~( _EEDO | _EEDI);
|
|
d = 0;
|
|
|
|
for(i=0; i<16; i++)
|
|
{
|
|
d = d << 1;
|
|
up_clk(padapter, &x);
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
x &= ~(_EEDI);
|
|
if(x & _EEDO)
|
|
d |= 1;
|
|
|
|
down_clk(padapter, &x);
|
|
}
|
|
out:
|
|
_func_exit_;
|
|
|
|
return d;
|
|
}
|
|
|
|
void standby(_adapter * padapter )
|
|
{
|
|
u8 x;
|
|
_func_enter_;
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
x &= ~(_EECS | _EESK);
|
|
rtw_write8(padapter, EE_9346CR,x);
|
|
|
|
rtw_udelay_os(CLOCK_RATE);
|
|
x |= _EECS;
|
|
rtw_write8(padapter, EE_9346CR, x);
|
|
rtw_udelay_os(CLOCK_RATE);
|
|
_func_exit_;
|
|
}
|
|
|
|
u16 wait_eeprom_cmd_done(_adapter* padapter)
|
|
{
|
|
u8 x;
|
|
u16 i,res=_FALSE;
|
|
_func_enter_;
|
|
standby(padapter );
|
|
for (i=0; i<200; i++)
|
|
{
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
if (x & _EEDO){
|
|
res=_TRUE;
|
|
goto exit;
|
|
}
|
|
rtw_udelay_os(CLOCK_RATE);
|
|
}
|
|
exit:
|
|
_func_exit_;
|
|
return res;
|
|
}
|
|
|
|
void eeprom_clean(_adapter * padapter)
|
|
{
|
|
u16 x;
|
|
_func_enter_;
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
x &= ~(_EECS | _EEDI);
|
|
rtw_write8(padapter, EE_9346CR, (u8)x);
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
up_clk(padapter, &x);
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
down_clk(padapter, &x);
|
|
out:
|
|
_func_exit_;
|
|
}
|
|
|
|
void eeprom_write16(_adapter * padapter, u16 reg, u16 data)
|
|
{
|
|
u8 x;
|
|
#ifdef CONFIG_RTL8712
|
|
u8 tmp8_ori,tmp8_new,tmp8_clk_ori,tmp8_clk_new;
|
|
tmp8_ori=rtw_read8(padapter, 0x102502f1);
|
|
tmp8_new=tmp8_ori & 0xf7;
|
|
if(tmp8_ori != tmp8_new){
|
|
rtw_write8(padapter, 0x102502f1, tmp8_new);
|
|
RT_TRACE(_module_rtl871x_mp_ioctl_c_,_drv_err_,("====write 0x102502f1=====\n"));
|
|
}
|
|
tmp8_clk_ori=rtw_read8(padapter,0x10250003);
|
|
tmp8_clk_new=tmp8_clk_ori|0x20;
|
|
if(tmp8_clk_new!=tmp8_clk_ori){
|
|
RT_TRACE(_module_rtl871x_mp_ioctl_c_,_drv_err_,("====write 0x10250003=====\n"));
|
|
rtw_write8(padapter, 0x10250003, tmp8_clk_new);
|
|
}
|
|
#endif
|
|
_func_enter_;
|
|
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
x &= ~(_EEDI | _EEDO | _EESK | _EEM0);
|
|
x |= _EEM1 | _EECS;
|
|
rtw_write8(padapter, EE_9346CR, x);
|
|
|
|
shift_out_bits(padapter, EEPROM_EWEN_OPCODE, 5);
|
|
|
|
if(padapter->EepromAddressSize==8) //CF+ and SDIO
|
|
shift_out_bits(padapter, 0, 6);
|
|
else //USB
|
|
shift_out_bits(padapter, 0, 4);
|
|
|
|
standby( padapter);
|
|
|
|
// Commented out by rcnjko, 2004.0
|
|
// // Erase this particular word. Write the erase opcode and register
|
|
// // number in that order. The opcode is 3bits in length; reg is 6 bits long.
|
|
// shift_out_bits(Adapter, EEPROM_ERASE_OPCODE, 3);
|
|
// shift_out_bits(Adapter, reg, Adapter->EepromAddressSize);
|
|
//
|
|
// if (wait_eeprom_cmd_done(Adapter ) == FALSE)
|
|
// {
|
|
// return;
|
|
// }
|
|
|
|
|
|
standby(padapter );
|
|
|
|
// write the new word to the EEPROM
|
|
|
|
// send the write opcode the EEPORM
|
|
shift_out_bits(padapter, EEPROM_WRITE_OPCODE, 3);
|
|
|
|
// select which word in the EEPROM that we are writing to.
|
|
shift_out_bits(padapter, reg, padapter->EepromAddressSize);
|
|
|
|
// write the data to the selected EEPROM word.
|
|
shift_out_bits(padapter, data, 16);
|
|
|
|
if (wait_eeprom_cmd_done(padapter ) == _FALSE)
|
|
{
|
|
|
|
goto exit;
|
|
}
|
|
|
|
standby(padapter );
|
|
|
|
shift_out_bits(padapter, EEPROM_EWDS_OPCODE, 5);
|
|
shift_out_bits(padapter, reg, 4);
|
|
|
|
eeprom_clean(padapter );
|
|
exit:
|
|
#ifdef CONFIG_RTL8712
|
|
if(tmp8_clk_new!=tmp8_clk_ori)
|
|
rtw_write8(padapter, 0x10250003, tmp8_clk_ori);
|
|
if(tmp8_new!=tmp8_ori)
|
|
rtw_write8(padapter, 0x102502f1, tmp8_ori);
|
|
|
|
#endif
|
|
_func_exit_;
|
|
return;
|
|
}
|
|
|
|
u16 eeprom_read16(_adapter * padapter, u16 reg) //ReadEEprom
|
|
{
|
|
|
|
u16 x;
|
|
u16 data=0;
|
|
#ifdef CONFIG_RTL8712
|
|
u8 tmp8_ori,tmp8_new,tmp8_clk_ori,tmp8_clk_new;
|
|
tmp8_ori= rtw_read8(padapter, 0x102502f1);
|
|
tmp8_new = tmp8_ori & 0xf7;
|
|
if(tmp8_ori != tmp8_new){
|
|
rtw_write8(padapter, 0x102502f1, tmp8_new);
|
|
RT_TRACE(_module_rtl871x_mp_ioctl_c_,_drv_err_,("====write 0x102502f1=====\n"));
|
|
}
|
|
tmp8_clk_ori=rtw_read8(padapter,0x10250003);
|
|
tmp8_clk_new=tmp8_clk_ori|0x20;
|
|
if(tmp8_clk_new!=tmp8_clk_ori){
|
|
RT_TRACE(_module_rtl871x_mp_ioctl_c_,_drv_err_,("====write 0x10250003=====\n"));
|
|
rtw_write8(padapter, 0x10250003, tmp8_clk_new);
|
|
}
|
|
#endif
|
|
_func_enter_;
|
|
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
// select EEPROM, reset bits, set _EECS
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
|
|
x &= ~(_EEDI | _EEDO | _EESK | _EEM0);
|
|
x |= _EEM1 | _EECS;
|
|
rtw_write8(padapter, EE_9346CR, (unsigned char)x);
|
|
|
|
// write the read opcode and register number in that order
|
|
// The opcode is 3bits in length, reg is 6 bits long
|
|
shift_out_bits(padapter, EEPROM_READ_OPCODE, 3);
|
|
shift_out_bits(padapter, reg, padapter->EepromAddressSize);
|
|
|
|
// Now read the data (16 bits) in from the selected EEPROM word
|
|
data = shift_in_bits(padapter);
|
|
|
|
eeprom_clean(padapter);
|
|
out:
|
|
#ifdef CONFIG_RTL8712
|
|
if(tmp8_clk_new!=tmp8_clk_ori)
|
|
rtw_write8(padapter, 0x10250003, tmp8_clk_ori);
|
|
if(tmp8_new!=tmp8_ori)
|
|
rtw_write8(padapter, 0x102502f1, tmp8_ori);
|
|
|
|
#endif
|
|
_func_exit_;
|
|
return data;
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//From even offset
|
|
void eeprom_read_sz(_adapter * padapter, u16 reg, u8* data, u32 sz)
|
|
{
|
|
|
|
u16 x, data16;
|
|
u32 i;
|
|
_func_enter_;
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
// select EEPROM, reset bits, set _EECS
|
|
x = rtw_read8(padapter, EE_9346CR);
|
|
|
|
if (rtw_is_surprise_removed(padapter)) {
|
|
RT_TRACE(_module_rtl871x_eeprom_c_, _drv_err_, ("padapter->bSurpriseRemoved==_TRUE"));
|
|
goto out;
|
|
}
|
|
|
|
x &= ~(_EEDI | _EEDO | _EESK | _EEM0);
|
|
x |= _EEM1 | _EECS;
|
|
rtw_write8(padapter, EE_9346CR, (unsigned char)x);
|
|
|
|
// write the read opcode and register number in that order
|
|
// The opcode is 3bits in length, reg is 6 bits long
|
|
shift_out_bits(padapter, EEPROM_READ_OPCODE, 3);
|
|
shift_out_bits(padapter, reg, padapter->EepromAddressSize);
|
|
|
|
|
|
for(i=0; i<sz; i+=2)
|
|
{
|
|
data16 = shift_in_bits(padapter);
|
|
data[i] = data16 & 0xff;
|
|
data[i+1] = data16 >>8;
|
|
}
|
|
|
|
eeprom_clean(padapter);
|
|
out:
|
|
_func_exit_;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
//addr_off : address offset of the entry in eeprom (not the tuple number of eeprom (reg); that is addr_off !=reg)
|
|
u8 eeprom_read(_adapter * padapter, u32 addr_off, u8 sz, u8* rbuf)
|
|
{
|
|
u8 quotient, remainder, addr_2align_odd;
|
|
u16 reg, stmp , i=0, idx = 0;
|
|
_func_enter_;
|
|
reg = (u16)(addr_off >> 1);
|
|
addr_2align_odd = (u8)(addr_off & 0x1);
|
|
|
|
if(addr_2align_odd) //read that start at high part: e.g 1,3,5,7,9,...
|
|
{
|
|
stmp = eeprom_read16(padapter, reg);
|
|
rbuf[idx++] = (u8) ((stmp>>8)&0xff); //return hogh-part of the short
|
|
reg++; sz--;
|
|
}
|
|
|
|
quotient = sz >> 1;
|
|
remainder = sz & 0x1;
|
|
|
|
for( i=0 ; i < quotient; i++)
|
|
{
|
|
stmp = eeprom_read16(padapter, reg+i);
|
|
rbuf[idx++] = (u8) (stmp&0xff);
|
|
rbuf[idx++] = (u8) ((stmp>>8)&0xff);
|
|
}
|
|
|
|
reg = reg+i;
|
|
if(remainder){ //end of read at lower part of short : 0,2,4,6,...
|
|
stmp = eeprom_read16(padapter, reg);
|
|
rbuf[idx] = (u8)(stmp & 0xff);
|
|
}
|
|
_func_exit_;
|
|
return _TRUE;
|
|
}
|
|
|
|
|
|
|
|
VOID read_eeprom_content(_adapter * padapter)
|
|
{
|
|
|
|
_func_enter_;
|
|
|
|
|
|
_func_exit_;
|
|
}
|
|
|