+++ /dev/null
-/******************************************************************************
- *
- * 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);
-}
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