diff options
Diffstat (limited to 'drivers/staging/rtl8723au/core/rtw_efuse.c')
| -rw-r--r-- | drivers/staging/rtl8723au/core/rtw_efuse.c | 538 |
1 files changed, 0 insertions, 538 deletions
diff --git a/drivers/staging/rtl8723au/core/rtw_efuse.c b/drivers/staging/rtl8723au/core/rtw_efuse.c deleted file mode 100644 index 359ef4197e94..000000000000 --- a/drivers/staging/rtl8723au/core/rtw_efuse.c +++ /dev/null @@ -1,538 +0,0 @@ -/****************************************************************************** - * - * 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. - * - ******************************************************************************/ -#define _RTW_EFUSE_C_ - -#include <osdep_service.h> -#include <drv_types.h> - -#include <rtw_efuse.h> -#include <rtl8723a_hal.h> -#include <usb_ops_linux.h> - -#define REG_EFUSE_CTRL 0x0030 -#define EFUSE_CTRL REG_EFUSE_CTRL /* E-Fuse Control */ - -#define VOLTAGE_V25 0x03 -#define LDOE25_SHIFT 28 - -/* - * When we want to enable write operation, we should change to - * pwr on state. When we stop write, we should switch to 500k mode - * and disable LDO 2.5V. - */ -static void Efuse_PowerSwitch(struct rtw_adapter *padapter, - u8 bWrite, u8 PwrState) -{ - u8 tempval; - u16 tmpV16; - - if (PwrState == true) { - rtl8723au_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON); - - /* - * 1.2V Power: From VDDON with Power - * Cut(0x0000h[15]), default valid - */ - tmpV16 = rtl8723au_read16(padapter, REG_SYS_ISO_CTRL); - if (!(tmpV16 & PWC_EV12V)) { - tmpV16 |= PWC_EV12V; - rtl8723au_write16(padapter, REG_SYS_ISO_CTRL, tmpV16); - } - /* Reset: 0x0000h[28], default valid */ - tmpV16 = rtl8723au_read16(padapter, REG_SYS_FUNC_EN); - if (!(tmpV16 & FEN_ELDR)) { - tmpV16 |= FEN_ELDR; - rtl8723au_write16(padapter, REG_SYS_FUNC_EN, tmpV16); - } - - /* - * Clock: Gated(0x0008h[5]) 8M(0x0008h[1]) - * clock from ANA, default valid - */ - tmpV16 = rtl8723au_read16(padapter, REG_SYS_CLKR); - if ((!(tmpV16 & LOADER_CLK_EN)) || (!(tmpV16 & ANA8M))) { - tmpV16 |= (LOADER_CLK_EN | ANA8M); - rtl8723au_write16(padapter, REG_SYS_CLKR, tmpV16); - } - - if (bWrite == true) { - /* Enable LDO 2.5V before read/write action */ - tempval = rtl8723au_read8(padapter, EFUSE_TEST + 3); - tempval &= 0x0F; - tempval |= (VOLTAGE_V25 << 4); - rtl8723au_write8(padapter, EFUSE_TEST + 3, - tempval | 0x80); - } - } else { - rtl8723au_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_OFF); - - if (bWrite == true) { - /* Disable LDO 2.5V after read/write action */ - tempval = rtl8723au_read8(padapter, EFUSE_TEST + 3); - rtl8723au_write8(padapter, EFUSE_TEST + 3, - tempval & 0x7F); - } - } -} - -u16 Efuse_GetCurrentSize23a(struct rtw_adapter *pAdapter, u8 efuseType) -{ - u16 ret = 0; - - if (efuseType == EFUSE_WIFI) - ret = rtl8723a_EfuseGetCurrentSize_WiFi(pAdapter); - else - ret = rtl8723a_EfuseGetCurrentSize_BT(pAdapter); - - return ret; -} - -/* Get current efuse area enabled word */ -u8 Efuse_CalculateWordCnts23a(u8 word_en) -{ - return hweight8((~word_en) & 0xf); -} - -/* - * Description: Execute E-Fuse read byte operation. - * - * Assumptions: 1. Boot from E-Fuse and successfully auto-load. - * 2. PASSIVE_LEVEL (USB interface) - */ -void ReadEFuseByte23a(struct rtw_adapter *Adapter, u16 _offset, u8 *pbuf) -{ - u32 value32; - u8 readbyte; - u16 retry; - - /* Write Address */ - rtl8723au_write8(Adapter, EFUSE_CTRL+1, (_offset & 0xff)); - readbyte = rtl8723au_read8(Adapter, EFUSE_CTRL+2); - rtl8723au_write8(Adapter, EFUSE_CTRL+2, - ((_offset >> 8) & 0x03) | (readbyte & 0xfc)); - - /* Write bit 32 0 */ - readbyte = rtl8723au_read8(Adapter, EFUSE_CTRL+3); - rtl8723au_write8(Adapter, EFUSE_CTRL+3, readbyte & 0x7f); - - /* Check bit 32 read-ready */ - retry = 0; - value32 = rtl8723au_read32(Adapter, EFUSE_CTRL); - while (!((value32 >> 24) & 0x80) && retry < 10000) { - value32 = rtl8723au_read32(Adapter, EFUSE_CTRL); - retry++; - } - - /* - * Added suggested delay. This fixes the problem that - * Efuse read error in high temperature condition. - * Designer says that there shall be some delay after - * ready bit is set, or the result will always stay - * on last data we read. - */ - udelay(50); - value32 = rtl8723au_read32(Adapter, EFUSE_CTRL); - - *pbuf = (u8)(value32 & 0xff); -} - -void EFUSE_GetEfuseDefinition23a(struct rtw_adapter *pAdapter, u8 efuseType, - u8 type, void *pOut) -{ - u8 *pu1Tmp; - u16 *pu2Tmp; - u8 *pMax_section; - - switch (type) { - case TYPE_EFUSE_MAX_SECTION: - pMax_section = pOut; - - if (efuseType == EFUSE_WIFI) - *pMax_section = EFUSE_MAX_SECTION_8723A; - else - *pMax_section = EFUSE_BT_MAX_SECTION; - break; - - case TYPE_EFUSE_REAL_CONTENT_LEN: - pu2Tmp = pOut; - - if (efuseType == EFUSE_WIFI) - *pu2Tmp = EFUSE_REAL_CONTENT_LEN_8723A; - else - *pu2Tmp = EFUSE_BT_REAL_CONTENT_LEN; - break; - - case TYPE_AVAILABLE_EFUSE_BYTES_BANK: - pu2Tmp = pOut; - - if (efuseType == EFUSE_WIFI) - *pu2Tmp = (EFUSE_REAL_CONTENT_LEN_8723A - - EFUSE_OOB_PROTECT_BYTES); - else - *pu2Tmp = (EFUSE_BT_REAL_BANK_CONTENT_LEN - - EFUSE_PROTECT_BYTES_BANK); - break; - - case TYPE_AVAILABLE_EFUSE_BYTES_TOTAL: - pu2Tmp = pOut; - - if (efuseType == EFUSE_WIFI) - *pu2Tmp = (EFUSE_REAL_CONTENT_LEN_8723A - - EFUSE_OOB_PROTECT_BYTES); - else - *pu2Tmp = (EFUSE_BT_REAL_CONTENT_LEN - - (EFUSE_PROTECT_BYTES_BANK * 3)); - break; - - case TYPE_EFUSE_MAP_LEN: - pu2Tmp = pOut; - - if (efuseType == EFUSE_WIFI) - *pu2Tmp = EFUSE_MAP_LEN_8723A; - else - *pu2Tmp = EFUSE_BT_MAP_LEN; - break; - - case TYPE_EFUSE_PROTECT_BYTES_BANK: - pu1Tmp = pOut; - - if (efuseType == EFUSE_WIFI) - *pu1Tmp = EFUSE_OOB_PROTECT_BYTES; - else - *pu1Tmp = EFUSE_PROTECT_BYTES_BANK; - break; - - case TYPE_EFUSE_CONTENT_LEN_BANK: - pu2Tmp = pOut; - - if (efuseType == EFUSE_WIFI) - *pu2Tmp = EFUSE_REAL_CONTENT_LEN_8723A; - else - *pu2Tmp = EFUSE_BT_REAL_BANK_CONTENT_LEN; - break; - - default: - pu1Tmp = pOut; - *pu1Tmp = 0; - break; - } -} - -/* Copy from WMAC for EFUSE read 1 byte. */ -u8 EFUSE_Read1Byte23a(struct rtw_adapter *Adapter, u16 Address) -{ - u8 data; - u8 Bytetemp = {0x00}; - u8 temp = {0x00}; - u32 k = 0; - u16 contentLen = 0; - - EFUSE_GetEfuseDefinition23a(Adapter, EFUSE_WIFI, - TYPE_EFUSE_REAL_CONTENT_LEN, - (void *)&contentLen); - - if (Address < contentLen) { /* E-fuse 512Byte */ - /* Write E-fuse Register address bit0~7 */ - temp = Address & 0xFF; - rtl8723au_write8(Adapter, EFUSE_CTRL+1, temp); - Bytetemp = rtl8723au_read8(Adapter, EFUSE_CTRL+2); - /* Write E-fuse Register address bit8~9 */ - temp = ((Address >> 8) & 0x03) | (Bytetemp & 0xFC); - rtl8723au_write8(Adapter, EFUSE_CTRL+2, temp); - - /* Write 0x30[31]= 0 */ - Bytetemp = rtl8723au_read8(Adapter, EFUSE_CTRL+3); - temp = Bytetemp & 0x7F; - rtl8723au_write8(Adapter, EFUSE_CTRL+3, temp); - - /* Wait Write-ready (0x30[31]= 1) */ - Bytetemp = rtl8723au_read8(Adapter, EFUSE_CTRL+3); - while (!(Bytetemp & 0x80)) { - Bytetemp = rtl8723au_read8(Adapter, EFUSE_CTRL+3); - k++; - if (k == 1000) { - k = 0; - break; - } - } - data = rtl8723au_read8(Adapter, EFUSE_CTRL); - return data; - } - return 0xFF; -} - -/* Read one byte from real Efuse. */ -int efuse_OneByteRead23a(struct rtw_adapter *pAdapter, u16 addr, u8 *data) -{ - u8 tmpidx = 0; - int bResult; - - /* -----------------e-fuse reg ctrl ---------------------------- */ - /* address */ - rtl8723au_write8(pAdapter, EFUSE_CTRL + 1, (u8)(addr & 0xff)); - rtl8723au_write8(pAdapter, EFUSE_CTRL + 2, - ((u8)((addr >> 8) & 0x03)) | - (rtl8723au_read8(pAdapter, EFUSE_CTRL + 2) & 0xFC)); - - rtl8723au_write8(pAdapter, EFUSE_CTRL + 3, 0x72); /* read cmd */ - - while (!(0x80 & rtl8723au_read8(pAdapter, EFUSE_CTRL + 3)) && - (tmpidx < 100)) - tmpidx++; - if (tmpidx < 100) { - *data = rtl8723au_read8(pAdapter, EFUSE_CTRL); - bResult = _SUCCESS; - } else { - *data = 0xff; - bResult = _FAIL; - } - return bResult; -} - -/* Write one byte to reald Efuse. */ -int efuse_OneByteWrite23a(struct rtw_adapter *pAdapter, u16 addr, u8 data) -{ - u8 tmpidx = 0; - int bResult; - - /* return 0; */ - - /* -----------------e-fuse reg ctrl ------------------------- */ - /* address */ - rtl8723au_write8(pAdapter, EFUSE_CTRL + 1, (u8)(addr & 0xff)); - rtl8723au_write8(pAdapter, EFUSE_CTRL + 2, - (rtl8723au_read8(pAdapter, EFUSE_CTRL + 2) & 0xFC) | - (u8)((addr >> 8) & 0x03)); - rtl8723au_write8(pAdapter, EFUSE_CTRL, data); /* data */ - - rtl8723au_write8(pAdapter, EFUSE_CTRL + 3, 0xF2); /* write cmd */ - - while ((0x80 & rtl8723au_read8(pAdapter, EFUSE_CTRL + 3)) && - (tmpidx < 100)) { - tmpidx++; - } - - if (tmpidx < 100) - bResult = _SUCCESS; - else - bResult = _FAIL; - - return bResult; -} - -/* Read allowed word in current efuse section data. */ -void efuse_WordEnableDataRead23a(u8 word_en, u8 *sourdata, u8 *targetdata) -{ - if (!(word_en&BIT(0))) { - targetdata[0] = sourdata[0]; - targetdata[1] = sourdata[1]; - } - if (!(word_en&BIT(1))) { - targetdata[2] = sourdata[2]; - targetdata[3] = sourdata[3]; - } - if (!(word_en&BIT(2))) { - targetdata[4] = sourdata[4]; - targetdata[5] = sourdata[5]; - } - if (!(word_en&BIT(3))) { - targetdata[6] = sourdata[6]; - targetdata[7] = sourdata[7]; - } -} - -static int efuse_read8(struct rtw_adapter *padapter, u16 address, u8 *value) -{ - return efuse_OneByteRead23a(padapter, address, value); -} - -static int efuse_write8(struct rtw_adapter *padapter, u16 address, u8 *value) -{ - return efuse_OneByteWrite23a(padapter, address, *value); -} - -/* read/write raw efuse data */ -int rtw_efuse_access23a(struct rtw_adapter *padapter, u8 bWrite, u16 start_addr, - u16 cnts, u8 *data) -{ - int i = 0; - u16 real_content_len = 0, max_available_size = 0; - int res = _FAIL; - int (*rw8)(struct rtw_adapter *, u16, u8*); - - EFUSE_GetEfuseDefinition23a(padapter, EFUSE_WIFI, - TYPE_EFUSE_REAL_CONTENT_LEN, - (void *)&real_content_len); - EFUSE_GetEfuseDefinition23a(padapter, EFUSE_WIFI, - TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, - (void *)&max_available_size); - - if (start_addr > real_content_len) - return _FAIL; - - if (true == bWrite) { - if ((start_addr + cnts) > max_available_size) - return _FAIL; - rw8 = &efuse_write8; - } else - rw8 = &efuse_read8; - - Efuse_PowerSwitch(padapter, bWrite, true); - - /* e-fuse one byte read/write */ - for (i = 0; i < cnts; i++) { - if (start_addr >= real_content_len) { - res = _FAIL; - break; - } - - res = rw8(padapter, start_addr++, data++); - if (res == _FAIL) - break; - } - - Efuse_PowerSwitch(padapter, bWrite, false); - - return res; -} - -u16 efuse_GetMaxSize23a(struct rtw_adapter *padapter) -{ - u16 max_size; - - EFUSE_GetEfuseDefinition23a(padapter, EFUSE_WIFI, - TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, - (void *)&max_size); - return max_size; -} - -int rtw_efuse_map_read23a(struct rtw_adapter *padapter, - u16 addr, u16 cnts, u8 *data) -{ - u16 mapLen = 0; - - EFUSE_GetEfuseDefinition23a(padapter, EFUSE_WIFI, - TYPE_EFUSE_MAP_LEN, (void *)&mapLen); - - if ((addr + cnts) > mapLen) - return _FAIL; - - Efuse_PowerSwitch(padapter, false, true); - - rtl8723a_readefuse(padapter, EFUSE_WIFI, addr, cnts, data); - - Efuse_PowerSwitch(padapter, false, false); - - return _SUCCESS; -} - -int rtw_BT_efuse_map_read23a(struct rtw_adapter *padapter, - u16 addr, u16 cnts, u8 *data) -{ - u16 mapLen = 0; - - EFUSE_GetEfuseDefinition23a(padapter, EFUSE_BT, - TYPE_EFUSE_MAP_LEN, (void *)&mapLen); - - if ((addr + cnts) > mapLen) - return _FAIL; - - Efuse_PowerSwitch(padapter, false, true); - - rtl8723a_readefuse(padapter, EFUSE_BT, addr, cnts, data); - - Efuse_PowerSwitch(padapter, false, false); - - return _SUCCESS; -} - -/* Read All Efuse content */ -static void Efuse_ReadAllMap(struct rtw_adapter *pAdapter, u8 efuseType, - u8 *Efuse) -{ - u16 mapLen = 0; - - Efuse_PowerSwitch(pAdapter, false, true); - - EFUSE_GetEfuseDefinition23a(pAdapter, efuseType, TYPE_EFUSE_MAP_LEN, - (void *)&mapLen); - - rtl8723a_readefuse(pAdapter, efuseType, 0, mapLen, Efuse); - - Efuse_PowerSwitch(pAdapter, false, false); -} - -/* - * Functions: efuse_ShadowRead1Byte - * efuse_ShadowRead2Byte - * efuse_ShadowRead4Byte - * - * Read from efuse init map by one/two/four bytes - */ -static void efuse_ShadowRead1Byte(struct rtw_adapter *pAdapter, u16 Offset, - u8 *Value) -{ - struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter); - - *Value = pEEPROM->efuse_eeprom_data[Offset]; -} - -static void efuse_ShadowRead2Byte(struct rtw_adapter *pAdapter, u16 Offset, - u16 *Value) -{ - struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter); - - *Value = pEEPROM->efuse_eeprom_data[Offset]; - *Value |= pEEPROM->efuse_eeprom_data[Offset+1]<<8; -} - -static void efuse_ShadowRead4Byte(struct rtw_adapter *pAdapter, u16 Offset, - u32 *Value) -{ - struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter); - - *Value = pEEPROM->efuse_eeprom_data[Offset]; - *Value |= pEEPROM->efuse_eeprom_data[Offset+1]<<8; - *Value |= pEEPROM->efuse_eeprom_data[Offset+2]<<16; - *Value |= pEEPROM->efuse_eeprom_data[Offset+3]<<24; -} - -/* Transfer current EFUSE content to shadow init and modify map. */ -void EFUSE_ShadowMapUpdate23a(struct rtw_adapter *pAdapter, u8 efuseType) -{ - struct eeprom_priv *pEEPROM = GET_EEPROM_EFUSE_PRIV(pAdapter); - u16 mapLen = 0; - - EFUSE_GetEfuseDefinition23a(pAdapter, efuseType, - TYPE_EFUSE_MAP_LEN, (void *)&mapLen); - - if (pEEPROM->bautoload_fail_flag == true) - memset(pEEPROM->efuse_eeprom_data, 0xFF, mapLen); - else - Efuse_ReadAllMap(pAdapter, efuseType, - pEEPROM->efuse_eeprom_data); -} - -/* Read from efuse init map */ -void EFUSE_ShadowRead23a(struct rtw_adapter *pAdapter, u8 Type, - u16 Offset, u32 *Value) -{ - if (Type == 1) - efuse_ShadowRead1Byte(pAdapter, Offset, (u8 *)Value); - else if (Type == 2) - efuse_ShadowRead2Byte(pAdapter, Offset, (u16 *)Value); - else if (Type == 4) - efuse_ShadowRead4Byte(pAdapter, Offset, (u32 *)Value); -} |