diff options
Diffstat (limited to 'drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c')
| -rw-r--r-- | drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c | 3452 |
1 files changed, 3452 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c b/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c new file mode 100644 index 000000000000..0982b0a4ab9b --- /dev/null +++ b/drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c @@ -0,0 +1,3452 @@ +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 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 _HAL_INIT_C_ + +#include <linux/firmware.h> +#include <drv_types.h> +#include <rtw_efuse.h> + +#include <rtl8723a_hal.h> + +static void _FWDownloadEnable(struct rtw_adapter *padapter, bool enable) +{ + u8 tmp; + + if (enable) { + /* 8051 enable */ + tmp = rtw_read8(padapter, REG_SYS_FUNC_EN + 1); + rtw_write8(padapter, REG_SYS_FUNC_EN + 1, tmp | 0x04); + + /* MCU firmware download enable. */ + tmp = rtw_read8(padapter, REG_MCUFWDL); + rtw_write8(padapter, REG_MCUFWDL, tmp | 0x01); + + /* 8051 reset */ + tmp = rtw_read8(padapter, REG_MCUFWDL + 2); + rtw_write8(padapter, REG_MCUFWDL + 2, tmp & 0xf7); + } else { + /* MCU firmware download disable. */ + tmp = rtw_read8(padapter, REG_MCUFWDL); + rtw_write8(padapter, REG_MCUFWDL, tmp & 0xfe); + + /* Reserved for fw extension. */ + rtw_write8(padapter, REG_MCUFWDL + 1, 0x00); + } +} + +static int _BlockWrite(struct rtw_adapter *padapter, void *buffer, u32 buffSize) +{ + int ret = _SUCCESS; + /* (Default) Phase #1 : PCI muse use 4-byte write to download FW */ + u32 blockSize_p1 = 4; + /* Phase #2 : Use 8-byte, if Phase#1 use big size to write FW. */ + u32 blockSize_p2 = 8; + /* Phase #3 : Use 1-byte, the remnant of FW image. */ + u32 blockSize_p3 = 1; + u32 blockCount_p1 = 0, blockCount_p2 = 0, blockCount_p3 = 0; + u32 remainSize_p1 = 0, remainSize_p2 = 0; + u8 *bufferPtr = (u8 *) buffer; + u32 i = 0, offset = 0; + + blockSize_p1 = 254; + + /* 3 Phase #1 */ + blockCount_p1 = buffSize / blockSize_p1; + remainSize_p1 = buffSize % blockSize_p1; + + if (blockCount_p1) { + RT_TRACE(_module_hal_init_c_, _drv_notice_, + ("_BlockWrite: [P1] buffSize(%d) blockSize_p1(%d) " + "blockCount_p1(%d) remainSize_p1(%d)\n", + buffSize, blockSize_p1, blockCount_p1, + remainSize_p1)); + } + + for (i = 0; i < blockCount_p1; i++) { + ret = rtw_writeN(padapter, + (FW_8723A_START_ADDRESS + i * blockSize_p1), + blockSize_p1, (bufferPtr + i * blockSize_p1)); + if (ret == _FAIL) + goto exit; + } + + /* 3 Phase #2 */ + if (remainSize_p1) { + offset = blockCount_p1 * blockSize_p1; + + blockCount_p2 = remainSize_p1 / blockSize_p2; + remainSize_p2 = remainSize_p1 % blockSize_p2; + + if (blockCount_p2) { + RT_TRACE(_module_hal_init_c_, _drv_notice_, + ("_BlockWrite: [P2] buffSize_p2(%d) " + "blockSize_p2(%d) blockCount_p2(%d) " + "remainSize_p2(%d)\n", + (buffSize - offset), blockSize_p2, + blockCount_p2, remainSize_p2)); + } + + for (i = 0; i < blockCount_p2; i++) { + ret = rtw_writeN(padapter, + (FW_8723A_START_ADDRESS + offset + + i * blockSize_p2), blockSize_p2, + (bufferPtr + offset + + i * blockSize_p2)); + + if (ret == _FAIL) + goto exit; + } + } + + /* 3 Phase #3 */ + if (remainSize_p2) { + offset = (blockCount_p1 * blockSize_p1) + + (blockCount_p2 * blockSize_p2); + + blockCount_p3 = remainSize_p2 / blockSize_p3; + + RT_TRACE(_module_hal_init_c_, _drv_notice_, + ("_BlockWrite: [P3] buffSize_p3(%d) blockSize_p3(%d) " + "blockCount_p3(%d)\n", + (buffSize - offset), blockSize_p3, blockCount_p3)); + + for (i = 0; i < blockCount_p3; i++) { + ret = rtw_write8(padapter, + (FW_8723A_START_ADDRESS + offset + i), + *(bufferPtr + offset + i)); + + if (ret == _FAIL) + goto exit; + } + } + +exit: + return ret; +} + +static int +_PageWrite(struct rtw_adapter *padapter, u32 page, void *buffer, u32 size) +{ + u8 value8; + u8 u8Page = (u8) (page & 0x07); + + value8 = (rtw_read8(padapter, REG_MCUFWDL + 2) & 0xF8) | u8Page; + rtw_write8(padapter, REG_MCUFWDL + 2, value8); + + return _BlockWrite(padapter, buffer, size); +} + +static int _WriteFW(struct rtw_adapter *padapter, void *buffer, u32 size) +{ + /* Since we need dynamic decide method of dwonload fw, so we + call this function to get chip version. */ + /* We can remove _ReadChipVersion from ReadpadapterInfo8192C later. */ + int ret = _SUCCESS; + u32 pageNums, remainSize; + u32 page, offset; + u8 *bufferPtr = (u8 *) buffer; + + pageNums = size / MAX_PAGE_SIZE; + /* RT_ASSERT((pageNums <= 4), + ("Page numbers should not greater then 4 \n")); */ + remainSize = size % MAX_PAGE_SIZE; + + for (page = 0; page < pageNums; page++) { + offset = page * MAX_PAGE_SIZE; + ret = _PageWrite(padapter, page, bufferPtr + offset, + MAX_PAGE_SIZE); + + if (ret == _FAIL) + goto exit; + } + if (remainSize) { + offset = pageNums * MAX_PAGE_SIZE; + page = pageNums; + ret = _PageWrite(padapter, page, bufferPtr + offset, + remainSize); + + if (ret == _FAIL) + goto exit; + } + RT_TRACE(_module_hal_init_c_, _drv_info_, + ("_WriteFW Done- for Normal chip.\n")); + +exit: + return ret; +} + +static s32 _FWFreeToGo(struct rtw_adapter *padapter) +{ + u32 counter = 0; + u32 value32; + + /* polling CheckSum report */ + do { + value32 = rtw_read32(padapter, REG_MCUFWDL); + if (value32 & FWDL_ChkSum_rpt) + break; + } while (counter++ < POLLING_READY_TIMEOUT_COUNT); + + if (counter >= POLLING_READY_TIMEOUT_COUNT) { + RT_TRACE(_module_hal_init_c_, _drv_err_, + ("%s: chksum report fail! REG_MCUFWDL:0x%08x\n", + __func__, value32)); + return _FAIL; + } + RT_TRACE(_module_hal_init_c_, _drv_info_, + ("%s: Checksum report OK! REG_MCUFWDL:0x%08x\n", __func__, + value32)); + + value32 = rtw_read32(padapter, REG_MCUFWDL); + value32 |= MCUFWDL_RDY; + value32 &= ~WINTINI_RDY; + rtw_write32(padapter, REG_MCUFWDL, value32); + + /* polling for FW ready */ + counter = 0; + do { + value32 = rtw_read32(padapter, REG_MCUFWDL); + if (value32 & WINTINI_RDY) { + RT_TRACE(_module_hal_init_c_, _drv_info_, + ("%s: Polling FW ready success!! " + "REG_MCUFWDL:0x%08x\n", + __func__, value32)); + return _SUCCESS; + } + udelay(5); + } while (counter++ < POLLING_READY_TIMEOUT_COUNT); + + RT_TRACE(_module_hal_init_c_, _drv_err_, + ("%s: Polling FW ready fail!! REG_MCUFWDL:0x%08x\n", + __func__, value32)); + return _FAIL; +} + +#define IS_FW_81xxC(padapter) (((GET_HAL_DATA(padapter))->FirmwareSignature & 0xFFF0) == 0x88C0) + +void rtl8723a_FirmwareSelfReset(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + u8 u1bTmp; + u8 Delay = 100; + + if (!(IS_FW_81xxC(padapter) && + ((pHalData->FirmwareVersion < 0x21) || + (pHalData->FirmwareVersion == 0x21 && + pHalData->FirmwareSubVersion < 0x01)))) { + /* after 88C Fw v33.1 */ + /* 0x1cf = 0x20. Inform 8051 to reset. 2009.12.25. tynli_test */ + rtw_write8(padapter, REG_HMETFR + 3, 0x20); + + u1bTmp = rtw_read8(padapter, REG_SYS_FUNC_EN + 1); + while (u1bTmp & BIT2) { + Delay--; + if (Delay == 0) + break; + udelay(50); + u1bTmp = rtw_read8(padapter, REG_SYS_FUNC_EN + 1); + } + RT_TRACE(_module_hal_init_c_, _drv_info_, + ("-%s: 8051 reset success (%d)\n", __func__, + Delay)); + + if ((Delay == 0)) { + /* force firmware reset */ + u1bTmp = rtw_read8(padapter, REG_SYS_FUNC_EN + 1); + rtw_write8(padapter, REG_SYS_FUNC_EN + 1, + u1bTmp & (~BIT2)); + } + } +} + +/* */ +/* Description: */ +/* Download 8192C firmware code. */ +/* */ +/* */ +s32 rtl8723a_FirmwareDownload(struct rtw_adapter *padapter) +{ + s32 rtStatus = _SUCCESS; + u8 writeFW_retry = 0; + unsigned long fwdl_start_time; + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + struct dvobj_priv *dvobj = adapter_to_dvobj(padapter); + struct device *device = dvobj_to_dev(dvobj); + struct rt_8723a_firmware_hdr *pFwHdr = NULL; + const struct firmware *fw; + char *fw_name; + u8 *firmware_buf = NULL; + u8 *buf; + int fw_size; + static int log_version; + + RT_TRACE(_module_hal_init_c_, _drv_info_, ("+%s\n", __func__)); + + if (IS_8723A_A_CUT(pHalData->VersionID)) { + fw_name = "rtlwifi/rtl8723aufw.bin"; + RT_TRACE(_module_hal_init_c_, _drv_info_, + ("rtl8723a_FirmwareDownload: R8723FwImageArray_UMC " + "for RTL8723A A CUT\n")); + } else if (IS_8723A_B_CUT(pHalData->VersionID)) { + /* WLAN Fw. */ + if (padapter->registrypriv.wifi_spec == 1) { + fw_name = "rtlwifi/rtl8723aufw_B_NoBT.bin"; + DBG_8723A(" Rtl8723_FwUMCBCutImageArrayWithoutBT for " + "RTL8723A B CUT\n"); + } else { +#ifdef CONFIG_8723AU_BT_COEXIST + fw_name = "rtlwifi/rtl8723aufw_B.bin"; + DBG_8723A(" Rtl8723_FwUMCBCutImageArrayWithBT for " + "RTL8723A B CUT\n"); +#else + fw_name = "rtlwifi/rtl8723aufw_B_NoBT.bin"; + DBG_8723A(" Rtl8723_FwUMCBCutImageArrayWithoutBT for " + "RTL8723A B CUT\n"); +#endif + } + } else { + /* <Roger_TODO> We should download proper RAM Code here + to match the ROM code. */ + RT_TRACE(_module_hal_init_c_, _drv_err_, + ("%s: unknow version!\n", __func__)); + rtStatus = _FAIL; + goto Exit; + } + + pr_info("rtl8723au: Loading firmware %s\n", fw_name); + if (request_firmware(&fw, fw_name, device)) { + pr_err("rtl8723au: request_firmware load failed\n"); + rtStatus = _FAIL; + goto Exit; + } + if (!fw) { + pr_err("rtl8723au: Firmware %s not available\n", fw_name); + rtStatus = _FAIL; + goto Exit; + } + firmware_buf = kzalloc(fw->size, GFP_KERNEL); + if (!firmware_buf) { + rtStatus = _FAIL; + goto Exit; + } + memcpy(firmware_buf, fw->data, fw->size); + buf = firmware_buf; + fw_size = fw->size; + release_firmware(fw); + + /* To Check Fw header. Added by tynli. 2009.12.04. */ + pFwHdr = (struct rt_8723a_firmware_hdr *)firmware_buf; + + pHalData->FirmwareVersion = le16_to_cpu(pFwHdr->Version); + pHalData->FirmwareSubVersion = pFwHdr->Subversion; + pHalData->FirmwareSignature = le16_to_cpu(pFwHdr->Signature); + + DBG_8723A("%s: fw_ver =%d fw_subver =%d sig = 0x%x\n", + __func__, pHalData->FirmwareVersion, + pHalData->FirmwareSubVersion, pHalData->FirmwareSignature); + + if (!log_version++) + pr_info("%sFirmware Version %d, SubVersion %d, Signature " + "0x%x\n", DRIVER_PREFIX, pHalData->FirmwareVersion, + pHalData->FirmwareSubVersion, + pHalData->FirmwareSignature); + + if (IS_FW_HEADER_EXIST(pFwHdr)) { + /* Shift 32 bytes for FW header */ + buf = buf + 32; + fw_size = fw_size - 32; + } + + /* Suggested by Filen. If 8051 is running in RAM code, driver should + inform Fw to reset by itself, */ + /* or it will cause download Fw fail. 2010.02.01. by tynli. */ + if (rtw_read8(padapter, REG_MCUFWDL) & RAM_DL_SEL) { + /* 8051 RAM code */ + rtl8723a_FirmwareSelfReset(padapter); + rtw_write8(padapter, REG_MCUFWDL, 0x00); + } + + _FWDownloadEnable(padapter, true); + fwdl_start_time = jiffies; + while (1) { + /* reset the FWDL chksum */ + rtw_write8(padapter, REG_MCUFWDL, + rtw_read8(padapter, REG_MCUFWDL) | FWDL_ChkSum_rpt); + + rtStatus = _WriteFW(padapter, buf, fw_size); + + if (rtStatus == _SUCCESS || + (jiffies_to_msecs(jiffies - fwdl_start_time) > 500 && + writeFW_retry++ >= 3)) + break; + + DBG_8723A("%s writeFW_retry:%u, time after fwdl_start_time:" + "%ums\n", __func__, writeFW_retry, + jiffies_to_msecs(jiffies - fwdl_start_time)); + } + _FWDownloadEnable(padapter, false); + if (_SUCCESS != rtStatus) { + DBG_8723A("DL Firmware failed!\n"); + goto Exit; + } + + rtStatus = _FWFreeToGo(padapter); + if (_SUCCESS != rtStatus) { + RT_TRACE(_module_hal_init_c_, _drv_err_, + ("DL Firmware failed!\n")); + goto Exit; + } + RT_TRACE(_module_hal_init_c_, _drv_info_, + ("Firmware is ready to run!\n")); + +Exit: + kfree(firmware_buf); + return rtStatus; +} + +void rtl8723a_InitializeFirmwareVars(struct rtw_adapter *padapter) +{ + struct hal_data_8723a *pHalData = GET_HAL_DATA(padapter); + + /* Init Fw LPS related. */ + padapter->pwrctrlpriv.bFwCurrentInPSMode = false; + + /* Init H2C counter. by tynli. 2009.12.09. */ + pHalData->LastHMEBoxNum = 0; +} + +static void rtl8723a_free_hal_data(struct rtw_adapter *padapter) +{ + + kfree(padapter->HalData); + padapter->HalData = NULL; + +} + +/* */ +/* Efuse related code */ +/* */ +static u8 +hal_EfuseSwitchToBank(struct rtw_adapter *padapter, u8 bank) +{ + u8 bRet = false; + u32 value32 = 0; + + DBG_8723A("%s: Efuse switch bank to %d\n", __func__, bank); + value32 = rtw_read32(padapter, EFUSE_TEST); + bRet = true; + switch (bank) { + case 0: + value32 = (value32 & ~EFUSE_SEL_MASK) | + EFUSE_SEL(EFUSE_WIFI_SEL_0); + break; + case 1: + value32 = (value32 & ~EFUSE_SEL_MASK) | + EFUSE_SEL(EFUSE_BT_SEL_0); + break; + case 2: + value32 = (value32 & ~EFUSE_SEL_MASK) | + EFUSE_SEL(EFUSE_BT_SEL_1); + break; + case 3: + value32 = (value32 & ~EFUSE_SEL_MASK) | + EFUSE_SEL(EFUSE_BT_SEL_2); + break; + default: + value32 = (value32 & ~EFUSE_SEL_MASK) | + EFUSE_SEL(EFUSE_WIFI_SEL_0); + bRet = false; + break; + } + rtw_write32(padapter, EFUSE_TEST, value32); + + return bRet; +} + +static void +Hal_GetEfuseDefinition(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 = (u8 *) 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 = (u16 *) 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 = (u16 *) 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 = (u16 *) 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 = (u16 *) pOut; + + if (efuseType == EFUSE_WIFI) + *pu2Tmp = EFUSE_MAP_LEN_8723A; + else + *pu2Tmp = EFUSE_BT_MAP_LEN; + break; + + case TYPE_EFUSE_PROTECT_BYTES_BANK: + pu1Tmp = (u8 *) pOut; + + if (efuseType == EFUSE_WIFI) + *pu1Tmp = EFUSE_OOB_PROTECT_BYTES; + else + *pu1Tmp = EFUSE_PROTECT_BYTES_BANK; + break; + + case TYPE_EFUSE_CONTENT_LEN_BANK: + pu2Tmp = (u16 *) pOut; + + if (efuseType == EFUSE_WIFI) + *pu2Tmp = EFUSE_REAL_CONTENT_LEN_8723A; + else + *pu2Tmp = EFUSE_BT_REAL_BANK_CONTENT_LEN; + break; + + default: + pu1Tmp = (u8 *) pOut; + *pu1Tmp = 0; + break; + } +} + +#define VOLTAGE_V25 0x03 +#define LDOE25_SHIFT 28 + +static void +Hal_EfusePowerSwitch(struct rtw_adapter *padapter, u8 bWrite, u8 PwrState) +{ + u8 tempval; + u16 tmpV16; + + if (PwrState == true) { + rtw_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_ON); + + /* 1.2V Power: From VDDON with Power + Cut(0x0000h[15]), defualt valid */ + tmpV16 = rtw_read16(padapter, REG_SYS_ISO_CTRL); + if (!(tmpV16 & PWC_EV12V)) { + tmpV16 |= PWC_EV12V; + rtw_write16(padapter, REG_SYS_ISO_CTRL, tmpV16); + } + /* Reset: 0x0000h[28], default valid */ + tmpV16 = rtw_read16(padapter, REG_SYS_FUNC_EN); + if (!(tmpV16 & FEN_ELDR)) { + tmpV16 |= FEN_ELDR; + rtw_write16(padapter, REG_SYS_FUNC_EN, tmpV16); + } + + /* Clock: Gated(0x0008h[5]) 8M(0x0008h[1]) clock + from ANA, default valid */ + tmpV16 = rtw_read16(padapter, REG_SYS_CLKR); + if ((!(tmpV16 & LOADER_CLK_EN)) || (!(tmpV16 & ANA8M))) { + tmpV16 |= (LOADER_CLK_EN | ANA8M); + rtw_write16(padapter, REG_SYS_CLKR, tmpV16); + } + + if (bWrite == true) { + /* Enable LDO 2.5V before read/write action */ + tempval = rtw_read8(padapter, EFUSE_TEST + 3); + tempval &= 0x0F; + tempval |= (VOLTAGE_V25 << 4); + rtw_write8(padapter, EFUSE_TEST + 3, (tempval | 0x80)); + } + } else { + rtw_write8(padapter, REG_EFUSE_ACCESS, EFUSE_ACCESS_OFF); + + if (bWrite == true) { + /* Disable LDO 2.5V after read/write action */ + tempval = rtw_read8(padapter, EFUSE_TEST + 3); + rtw_write8(padapter, EFUSE_TEST + 3, (tempval & 0x7F)); + } + } +} + +static void +hal_ReadEFuse_WiFi(struct rtw_adapter *padapter, + u16 _offset, u16 _size_byte, u8 *pbuf) +{ + u8 *efuseTbl = NULL; + u16 eFuse_Addr = 0; + u8 offset, wden; + u8 efuseHeader, efuseExtHdr, efuseData; + u16 i, total, used; + + /* Do NOT excess total size of EFuse table. + Added by Roger, 2008.11.10. */ + if ((_offset + _size_byte) > EFUSE_MAP_LEN_8723A) { + DBG_8723A("%s: Invalid offset(%#x) with read bytes(%#x)!!\n", + __func__, _offset, _size_byte); + return; + } + + efuseTbl = (u8 *) kmalloc(EFUSE_MAP_LEN_8723A, GFP_KERNEL); + if (efuseTbl == NULL) { + DBG_8723A("%s: alloc efuseTbl fail!\n", __func__); + return; + } + /* 0xff will be efuse default value instead of 0x00. */ + memset(efuseTbl, 0xFF, EFUSE_MAP_LEN_8723A); + + /* switch bank back to bank 0 for later BT and wifi use. */ + hal_EfuseSwitchToBank(padapter, 0); + + while (AVAILABLE_EFUSE_ADDR(eFuse_Addr)) { + ReadEFuseByte23a(padapter, eFuse_Addr++, &efuseHeader); + if (efuseHeader == 0xFF) { + DBG_8723A("%s: data end at address =%#x\n", __func__, + eFuse_Addr); + break; + } + + /* Check PG header for section num. */ + if (EXT_HEADER(efuseHeader)) { /* extended header */ + offset = GET_HDR_OFFSET_2_0(efuseHeader); + + ReadEFuseByte23a(padapter, eFuse_Addr++, &efuseExtHdr); + if (ALL_WORDS_DISABLED(efuseExtHdr)) { + continue; + } + + offset |= ((efuseExtHdr & 0xF0) >> 1); + wden = (efuseExtHdr & 0x0F); + } else { + offset = ((efuseHeader >> 4) & 0x0f); + wden = (efuseHeader & 0x0f); + } + + if (offset < EFUSE_MAX_SECTION_8723A) { + u16 addr; + /* Get word enable value from PG header */ + + addr = offset * PGPKT_DATA_SIZE; + for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { + /* Check word enable condition in the section */ + if (!(wden & (0x01 << i))) { + ReadEFuseByte23a(padapter, eFuse_Addr++, + &efuseData); + efuseTbl[addr] = efuseData; + + ReadEFuseByte23a(padapter, eFuse_Addr++, + &efuseData); + efuseTbl[addr + 1] = efuseData; + } + addr += 2; + } + } else { + DBG_8723A(KERN_ERR "%s: offset(%d) is illegal!!\n", + __func__, offset); + eFuse_Addr += Efuse_CalculateWordCnts23a(wden) * 2; + } + } + + /* Copy from Efuse map to output pointer memory!!! */ + for (i = 0; i < _size_byte; i++) + pbuf[i] = efuseTbl[_offset + i]; + + /* Calculate Efuse utilization */ + EFUSE_GetEfuseDefinition23a(padapter, EFUSE_WIFI, + TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, &total); + used = eFuse_Addr - 1; + rtw_hal_set_hwreg23a(padapter, HW_VAR_EFUSE_BYTES, (u8 *)&used); + + kfree(efuseTbl); +} + +static void +hal_ReadEFuse_BT(struct rtw_adapter *padapter, + u16 _offset, u16 _size_byte, u8 *pbuf) +{ + u8 *efuseTbl; + u8 bank; + u16 eFuse_Addr; + u8 efuseHeader, efuseExtHdr, efuseData; + u8 offset, wden; + u16 i, total, used; + + /* Do NOT excess total size of EFuse table. + Added by Roger, 2008.11.10. */ + if ((_offset + _size_byte) > EFUSE_BT_MAP_LEN) { + DBG_8723A("%s: Invalid offset(%#x) with read bytes(%#x)!!\n", + __func__, _offset, _size_byte); + return; + } + + efuseTbl = kmalloc(EFUSE_BT_MAP_LEN, GFP_KERNEL); + if (efuseTbl == NULL) { + DBG_8723A("%s: efuseTbl malloc fail!\n", __func__); + return; + } + /* 0xff will be efuse default value instead of 0x00. */ + memset(efuseTbl, 0xFF, EFUSE_BT_MAP_LEN); + + EFUSE_GetEfuseDefinition23a(padapter, EFUSE_BT, + TYPE_AVAILABLE_EFUSE_BYTES_BANK, &total); + + for (bank = 1; bank < EFUSE_MAX_BANK; bank++) { + if (hal_EfuseSwitchToBank(padapter, bank) == false) { + DBG_8723A("%s: hal_EfuseSwitchToBank Fail!!\n", + __func__); + goto exit; + } + + eFuse_Addr = 0; + + while (AVAILABLE_EFUSE_ADDR(eFuse_Addr)) { + ReadEFuseByte23a(padapter, eFuse_Addr++, &efuseHeader); + if (efuseHeader == 0xFF) + break; + + /* Check PG header for section num. */ + if (EXT_HEADER(efuseHeader)) { /* extended header */ + offset = GET_HDR_OFFSET_2_0(efuseHeader); + + ReadEFuseByte23a(padapter, eFuse_Addr++, + &efuseExtHdr); + if (ALL_WORDS_DISABLED(efuseExtHdr)) { + continue; + } + + offset |= ((efuseExtHdr & 0xF0) >> 1); + wden = (efuseExtHdr & 0x0F); + } else { + offset = ((efuseHeader >> 4) & 0x0f); + wden = (efuseHeader & 0x0f); + } + + if (offset < EFUSE_BT_MAX_SECTION) { + u16 addr; + + /* Get word enable value from PG header */ + + addr = offset * PGPKT_DATA_SIZE; + for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { + /* Check word enable condition in + the section */ + if (!(wden & (0x01 << i))) { + ReadEFuseByte23a(padapter, + eFuse_Addr++, + &efuseData); + efuseTbl[addr] = efuseData; + + ReadEFuseByte23a(padapter, + eFuse_Addr++, + &efuseData); + efuseTbl[addr + 1] = efuseData; + } + addr += 2; + } + } else { + DBG_8723A(KERN_ERR + "%s: offset(%d) is illegal!!\n", + __func__, offset); + eFuse_Addr += Efuse_CalculateWordCnts23a(wden) * 2; + } + } + + if ((eFuse_Addr - 1) < total) { + DBG_8723A("%s: bank(%d) data end at %#x\n", + __func__, bank, eFuse_Addr - 1); + break; + } + } + + /* switch bank back to bank 0 for later BT and wifi use. */ + hal_EfuseSwitchToBank(padapter, 0); + + /* Copy from Efuse map to output pointer memory!!! */ + for (i = 0; i < _size_byte; i++) + pbuf[i] = efuseTbl[_offset + i]; + + /* */ + /* Calculate Efuse utilization. */ + /* */ + EFUSE_GetEfuseDefinition23a(padapter, EFUSE_BT, + TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, &total); + used = (EFUSE_BT_REAL_BANK_CONTENT_LEN * (bank - 1)) + eFuse_Addr - 1; + rtw_hal_set_hwreg23a(padapter, HW_VAR_EFUSE_BT_BYTES, (u8 *) &used); + +exit: + kfree(efuseTbl); +} + +static void +Hal_ReadEFuse(struct rtw_adapter *padapter, + u8 efuseType, u16 _offset, u16 _size_byte, u8 *pbuf) +{ + if (efuseType == EFUSE_WIFI) + hal_ReadEFuse_WiFi(padapter, _offset, _size_byte, pbuf); + else + hal_ReadEFuse_BT(padapter, _offset, _size_byte, pbuf); +} + +static u16 +hal_EfuseGetCurrentSize_WiFi(struct rtw_adapter *padapter) +{ + u16 efuse_addr = 0; + u8 hoffset = 0, hworden = 0; + u8 efuse_data, word_cnts = 0; + + rtw23a_hal_get_hwreg(padapter, HW_VAR_EFUSE_BYTES, (u8 *) &efuse_addr); + + DBG_8723A("%s: start_efuse_addr = 0x%X\n", __func__, efuse_addr); + + /* switch bank back to bank 0 for later BT and wifi use. */ + hal_EfuseSwitchToBank(padapter, 0); + + while (AVAILABLE_EFUSE_ADDR(efuse_addr)) { + if (efuse_OneByteRead23a(padapter, efuse_addr, &efuse_data) == + false) { + DBG_8723A(KERN_ERR "%s: efuse_OneByteRead23a Fail! " + "addr = 0x%X !!\n", __func__, efuse_addr); + break; + } + + if (efuse_data == 0xFF) + break; + + if (EXT_HEADER(efuse_data)) { + hoffset = GET_HDR_OFFSET_2_0(efuse_data); + efuse_addr++; + efuse_OneByteRead23a(padapter, efuse_addr, &efuse_data); + if (ALL_WORDS_DISABLED(efuse_data)) { + continue; + } + + hoffset |= ((efuse_data & 0xF0) >> 1); + hworden = efuse_data & 0x0F; + } else { + hoffset = (efuse_data >> 4) & 0x0F; + hworden = efuse_data & 0x0F; + } + + word_cnts = Efuse_CalculateWordCnts23a(hworden); + efuse_addr += (word_cnts * 2) + 1; + } + + rtw_hal_set_hwreg23a(padapter, HW_VAR_EFUSE_BYTES, (u8 *) &efuse_addr); + + DBG_8723A("%s: CurrentSize =%d\n", __func__, efuse_addr); + + return efuse_addr; +} + +static u16 +hal_EfuseGetCurrentSize_BT(struct rtw_adapter *padapter) +{ + u16 btusedbytes; + u16 efuse_addr; + u8 bank, startBank; + u8 hoffset = 0, hworden = 0; + u8 efuse_data, word_cnts = 0; + u16 retU2 = 0; + + rtw23a_hal_get_hwreg(padapter, HW_VAR_EFUSE_BT_BYTES, (u8 *) &btusedbytes); + + efuse_addr = (u16) ((btusedbytes % EFUSE_BT_REAL_BANK_CONTENT_LEN)); + startBank = (u8) (1 + (btusedbytes / EFUSE_BT_REAL_BANK_CONTENT_LEN)); + + DBG_8723A("%s: start from bank =%d addr = 0x%X\n", __func__, startBank, + efuse_addr); + + EFUSE_GetEfuseDefinition23a(padapter, EFUSE_BT, + TYPE_AVAILABLE_EFUSE_BYTES_BANK, &retU2); + + for (bank = startBank; bank < EFUSE_MAX_BANK; bank++) { + if (hal_EfuseSwitchToBank(padapter, bank) == false) { + DBG_8723A(KERN_ERR "%s: switch bank(%d) Fail!!\n", + __func__, bank); + bank = EFUSE_MAX_BANK; + break; + } + + /* only when bank is switched we have to reset + the efuse_addr. */ + if (bank != startBank) + efuse_addr = 0; + + while (AVAILABLE_EFUSE_ADDR(efuse_addr)) { + if (efuse_OneByteRead23a(padapter, efuse_addr, + &efuse_data) == false) { + DBG_8723A(KERN_ERR "%s: efuse_OneByteRead23a Fail!" + " addr = 0x%X !!\n", + __func__, efuse_addr); + bank = EFUSE_MAX_BANK; + break; + } + + if (efuse_data == 0xFF) + break; + + if (EXT_HEADER(efuse_data)) { + hoffset = GET_HDR_OFFSET_2_0(efuse_data); + efuse_addr++; + efuse_OneByteRead23a(padapter, efuse_addr, + &efuse_data); + if (ALL_WORDS_DISABLED(efuse_data)) { + efuse_addr++; + continue; + } + + hoffset |= ((efuse_data & 0xF0) >> 1); + hworden = efuse_data & 0x0F; + } else { + hoffset = (efuse_data >> 4) & 0x0F; + hworden = efuse_data & 0x0F; + } + word_cnts = Efuse_CalculateWordCnts23a(hworden); + /* read next header */ + efuse_addr += (word_cnts * 2) + 1; + } + + /* Check if we need to check next bank efuse */ + if (efuse_addr < retU2) { + break; /* don't need to check next bank. */ + } + } + + retU2 = ((bank - 1) * EFUSE_BT_REAL_BANK_CONTENT_LEN) + efuse_addr; + rtw_hal_set_hwreg23a(padapter, HW_VAR_EFUSE_BT_BYTES, (u8 *)&retU2); + + DBG_8723A("%s: CurrentSize =%d\n", __func__, retU2); + return retU2; +} + +static u16 +Hal_EfuseGetCurrentSize(struct rtw_adapter *pAdapter, u8 efuseType) +{ + u16 ret = 0; + + if (efuseType == EFUSE_WIFI) + ret = hal_EfuseGetCurrentSize_WiFi(pAdapter); + else + ret = hal_EfuseGetCurrentSize_BT(pAdapter); + + return ret; +} + +static u8 +Hal_EfuseWordEnableDataWrite(struct rtw_adapter *padapter, + u16 efuse_addr, u8 word_en, u8 *data) +{ + u16 tmpaddr = 0; + u16 start_addr = efuse_addr; + u8 badworden = 0x0F; + u8 tmpdata[PGPKT_DATA_SIZE]; + + memset(tmpdata, 0xFF, PGPKT_DATA_SIZE); + + if (!(word_en & BIT(0))) { + tmpaddr = start_addr; + efuse_OneByteWrite23a(padapter, start_addr++, data[0]); + efuse_OneByteWrite23a(padapter, start_addr++, data[1]); + + efuse_OneByteRead23a(padapter, tmpaddr, &tmpdata[0]); + efuse_OneByteRead23a(padapter, tmpaddr + 1, &tmpdata[1]); + if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1])) { + badworden &= (~BIT(0)); + } + } + if (!(word_en & BIT(1))) { + tmpaddr = start_addr; + efuse_OneByteWrite23a(padapter, start_addr++, data[2]); + efuse_OneByteWrite23a(padapter, start_addr++, data[3]); + + efuse_OneByteRead23a(padapter, tmpaddr, &tmpdata[2]); + efuse_OneByteRead23a(padapter, tmpaddr + 1, &tmpdata[3]); + if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3])) { + badworden &= (~BIT(1)); + } + } + if (!(word_en & BIT(2))) { + tmpaddr = start_addr; + efuse_OneByteWrite23a(padapter, start_addr++, data[4]); + efuse_OneByteWrite23a(padapter, start_addr++, data[5]); + + efuse_OneByteRead23a(padapter, tmpaddr, &tmpdata[4]); + efuse_OneByteRead23a(padapter, tmpaddr + 1, &tmpdata[5]); + if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5])) { + badworden &= (~BIT(2)); + } + } + if (!(word_en & BIT(3))) { + tmpaddr = start_addr; + efuse_OneByteWrite23a(padapter, start_addr++, data[6]); + efuse_OneByteWrite23a(padapter, start_addr++, data[7]); + + efuse_OneByteRead23a(padapter, tmpaddr, &tmpdata[6]); + efuse_OneByteRead23a(padapter, tmpaddr + 1, &tmpdata[7]); + if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7])) { + badworden &= (~BIT(3)); + } + } + + return badworden; +} + +static s32 +Hal_EfusePgPacketRead(struct rtw_adapter *padapter, u8 offset, u8 *data) +{ + u8 efuse_data, word_cnts = 0; + u16 efuse_addr = 0; + u8 hoffset = 0, hworden = 0; + u8 i; + u8 max_section = 0; + s32 ret; + + if (data == NULL) + return false; + + EFUSE_GetEfuseDefinition23a(padapter, EFUSE_WIFI, TYPE_EFUSE_MAX_SECTION, + &max_section); + if (offset > max_section) { + DBG_8723A("%s: Packet offset(%d) is illegal(>%d)!\n", + __func__, offset, max_section); + return false; + } + + memset(data, 0xFF, PGPKT_DATA_SIZE); + ret = true; + + /* */ + /* <Roger_TODO> Efuse has been pre-programmed dummy 5Bytes at the + end of Efuse by CP. */ + /* Skip dummy parts to prevent unexpected data read from Efuse. */ + /* By pass right now. 2009.02.19. */ + /* */ + while (AVAILABLE_EFUSE_ADDR(efuse_addr)) { + if (efuse_OneByteRead23a(padapter, efuse_addr++, &efuse_data) == + false) { + ret = false; + break; + } + + if (efuse_data == 0xFF) + break; + + if (EXT_HEADER(efuse_data)) { + hoffset = GET_HDR_OFFSET_2_0(efuse_data); + efuse_OneByteRead23a(padapter, efuse_addr++, &efuse_data); + if (ALL_WORDS_DISABLED(efuse_data)) { + DBG_8723A("%s: Error!! All words disabled!\n", + __func__); + continue; + } + + hoffset |= ((efuse_data & 0xF0) >> 1); + hworden = efuse_data & 0x0F; + } else { + hoffset = (efuse_data >> 4) & 0x0F; + hworden = efuse_data & 0x0F; + } + + if (hoffset == offset) { + for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { + /* Check word enable condition in the section */ + if (!(hworden & (0x01 << i))) { + ReadEFuseByte23a(padapter, efuse_addr++, + &efuse_data); + data[i * 2] = efuse_data; + + ReadEFuseByte23a(padapter, efuse_addr++, + &efuse_data); + data[(i * 2) + 1] = efuse_data; + } + } + } else { + word_cnts = Efuse_CalculateWordCnts23a(hworden); + efuse_addr += word_cnts * 2; + } + } + + return ret; +} + +static u8 +hal_EfusePgCheckAvailableAddr(struct rtw_adapter *pAdapter, u8 efuseType) +{ + u16 max_available = 0; + u16 current_size; + + EFUSE_GetEfuseDefinition23a(pAdapter, efuseType, + TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, + &max_available); + + current_size = Efuse_GetCurrentSize23a(pAdapter, efuseType); + if (current_size >= max_available) { + DBG_8723A("%s: Error!! current_size(%d)>max_available(%d)\n", + __func__, current_size, max_available); + return false; + } + return true; +} + +static void +hal_EfuseConstructPGPkt(u8 offset, u8 word_en, u8 *pData, + struct pg_pkt_struct *pTargetPkt) +{ + memset(pTargetPkt->data, 0xFF, PGPKT_DATA_SIZE); + pTargetPkt->offset = offset; + pTargetPkt->word_en = word_en; + efuse_WordEnableDataRead23a(word_en, pData, pTargetPkt->data); + pTargetPkt->word_cnts = Efuse_CalculateWordCnts23a(pTargetPkt->word_en); +} + +static u8 +hal_EfusePartialWriteCheck(struct rtw_adapter *padapter, u8 efuseType, + u16 *pAddr, struct pg_pkt_struct *pTargetPkt) +{ + u8 bRet = false; + u16 startAddr = 0, efuse_max_available_len = 0, efuse_max = 0; + u8 efuse_data = 0; + + EFUSE_GetEfuseDefinition23a(padapter, efuseType, + TYPE_AVAILABLE_EFUSE_BYTES_TOTAL, + &efuse_max_available_len); + EFUSE_GetEfuseDefinition23a(padapter, efuseType, + TYPE_EFUSE_CONTENT_LEN_BANK, &efuse_max); + + if (efuseType == EFUSE_WIFI) { + rtw23a_hal_get_hwreg(padapter, HW_VAR_EFUSE_BYTES, + (u8 *) &startAddr); + } else { + rtw23a_hal_get_hwreg(padapter, HW_VAR_EFUSE_BT_BYTES, + (u8 *) &startAddr); + } + startAddr %= efuse_max; + + while (1) { + if (startAddr >= efuse_max_available_len) { + bRet = false; + DBG_8723A("%s: startAddr(%d) >= efuse_max_available_" + "len(%d)\n", __func__, startAddr, + efuse_max_available_len); + break; + } + + if (efuse_OneByteRead23a(padapter, startAddr, &efuse_data) && + (efuse_data != 0xFF)) { + bRet = false; + DBG_8723A("%s: Something Wrong! last bytes(%#X = 0x%02X) " + "is not 0xFF\n", __func__, + startAddr, efuse_data); + break; + } else { + /* not used header, 0xff */ + *pAddr = startAddr |