mirror of
https://github.com/lwfinger/rtl8188eu.git
synced 2025-06-23 00:24:20 +00:00
rtl8188eu: Convert driver to use external firmware
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
This commit is contained in:
Larry Finger
parent
669536c180
commit
b054bfff27
8 changed files with 106 additions and 1580 deletions
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@ -19,6 +19,7 @@
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******************************************************************************/
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#define _HAL_INIT_C_
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#include <linux/firmware.h>
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#include <drv_types.h>
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#include <rtw_efuse.h>
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@ -771,11 +772,42 @@ static s32 _FWFreeToGo(struct adapter *padapter)
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#define IS_FW_81xxC(padapter) (((GET_HAL_DATA(padapter))->FirmwareSignature & 0xFFF0) == 0x88C0)
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static int load_firmware(struct rt_firmware *pFirmware, struct device *device, const char *fw_name)
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{
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s32 rtStatus = _SUCCESS;
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const struct firmware *fw;
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int err = request_firmware(&fw, fw_name, device);
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#ifdef CONFIG_FILE_FWIMG
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extern char *rtw_fw_file_path;
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u8 FwBuffer8188E[FW_8188E_SIZE];
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#endif /* CONFIG_FILE_FWIMG */
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if (err) {
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pr_err("Request firmware failed with error 0x%x\n", err);
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rtStatus = _FAIL;
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goto Exit;
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}
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if (!fw) {
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pr_err("Firmware %s not available\n", fw_name);
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rtStatus = _FAIL;
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goto Exit;
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}
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if (fw->size > FW_8188E_SIZE) {
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rtStatus = _FAIL;
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RT_TRACE(_module_hal_init_c_, _drv_err_, ("Firmware size exceed 0x%X. Check it.\n", FW_8188E_SIZE));
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goto Exit;
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}
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pFirmware->szFwBuffer = kzalloc(FW_8188E_SIZE, GFP_KERNEL);
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if (!pFirmware->szFwBuffer) {
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pr_err("Failed to allocate pFirmware->szFwBuffer\n");
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rtStatus = _FAIL;
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goto Exit;
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}
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memcpy(pFirmware->szFwBuffer, fw->data, fw->size);
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pFirmware->ulFwLength = fw->size;
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release_firmware(fw);
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DBG_871X_LEVEL(_drv_info_, "+%s: !bUsedWoWLANFw, FmrmwareLen:%d+\n", __func__, pFirmware->ulFwLength);
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Exit:
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return rtStatus;
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}
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/* Description: */
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/* Download 8192C firmware code. */
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@ -785,77 +817,38 @@ s32 rtl8188e_FirmwareDownload(struct adapter *padapter)
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u8 writeFW_retry = 0;
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u32 fwdl_start_time;
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PHAL_DATA_TYPE pHalData = GET_HAL_DATA(padapter);
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struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
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struct device *device = dvobj_to_dev(dvobj);
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struct rt_firmware_hdr *pFwHdr = NULL;
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u8 *pFirmwareBuf;
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u32 FirmwareLen;
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const char *fw_name = "rtlwifi/rtl8188eufw.bin";
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static int log_version;
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u8 *FwImage;
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u32 FwImageLen;
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u8 *pFwImageFileName;
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u8 *pucMappedFile = NULL;
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PRT_FIRMWARE_8188E pFirmware = NULL;
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PRT_8188E_FIRMWARE_HDR pFwHdr = NULL;
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u8 *pFirmwareBuf;
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u32 FirmwareLen;
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RT_TRACE(_module_hal_init_c_, _drv_info_, ("+%s\n", __FUNCTION__));
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pFirmware = (PRT_FIRMWARE_8188E)rtw_zmalloc(sizeof(RT_FIRMWARE_8188E));
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if(!pFirmware)
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{
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rtStatus = _FAIL;
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RT_TRACE(_module_hal_init_c_, _drv_info_, ("+%s\n", __func__));
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if (!dvobj->firmware.szFwBuffer)
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rtStatus = load_firmware(&dvobj->firmware, device, fw_name);
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if (rtStatus == _FAIL) {
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dvobj->firmware.szFwBuffer = NULL;
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goto Exit;
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}
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FwImage = (u8*)Rtl8188E_FwImageArray;
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FwImageLen = Rtl8188E_FWImgArrayLength;
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#ifdef CONFIG_FILE_FWIMG
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if(rtw_is_file_readable(rtw_fw_file_path) == true)
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{
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DBG_871X("%s accquire FW from file:%s\n", __FUNCTION__, rtw_fw_file_path);
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pFirmware->eFWSource = FW_SOURCE_IMG_FILE;
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}
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else
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#endif /* CONFIG_FILE_FWIMG */
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{
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pFirmware->eFWSource = FW_SOURCE_HEADER_FILE;
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}
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switch(pFirmware->eFWSource)
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{
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case FW_SOURCE_IMG_FILE:
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#ifdef CONFIG_FILE_FWIMG
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rtStatus = rtw_retrive_from_file(rtw_fw_file_path, FwBuffer8188E, FW_8188E_SIZE);
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pFirmware->ulFwLength = rtStatus>=0?rtStatus:0;
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pFirmware->szFwBuffer = FwBuffer8188E;
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#endif /* CONFIG_FILE_FWIMG */
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break;
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case FW_SOURCE_HEADER_FILE:
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if (FwImageLen > FW_8188E_SIZE) {
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rtStatus = _FAIL;
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RT_TRACE(_module_hal_init_c_, _drv_err_, ("Firmware size exceed 0x%X. Check it.\n", FW_8188E_SIZE) );
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goto Exit;
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}
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pFirmware->szFwBuffer = FwImage;
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pFirmware->ulFwLength = FwImageLen;
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break;
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}
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pFirmwareBuf = pFirmware->szFwBuffer;
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FirmwareLen = pFirmware->ulFwLength;
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DBG_871X_LEVEL(_drv_info_, "+%s: !bUsedWoWLANFw, FmrmwareLen:%d+\n", __func__, FirmwareLen);
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pFirmwareBuf = dvobj->firmware.szFwBuffer;
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FirmwareLen = dvobj->firmware.ulFwLength;
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/* To Check Fw header. Added by tynli. 2009.12.04. */
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pFwHdr = (PRT_8188E_FIRMWARE_HDR)pFirmware->szFwBuffer;
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pFwHdr = (struct rt_firmware_hdr *)dvobj->firmware.szFwBuffer;
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pHalData->FirmwareVersion = le16_to_cpu(pFwHdr->Version);
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pHalData->FirmwareSubVersion = pFwHdr->Subversion;
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pHalData->FirmwareSignature = le16_to_cpu(pFwHdr->Signature);
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DBG_871X ("%s: fw_ver=%d fw_subver=%d sig=0x%x\n",
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__FUNCTION__, pHalData->FirmwareVersion, pHalData->FirmwareSubVersion, pHalData->FirmwareSignature);
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if (IS_FW_HEADER_EXIST(pFwHdr))
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{
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if (!log_version++) {
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pr_info("%sLoaded firmware file %s\n", DRIVER_PREFIX, fw_name);
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pr_info("%sFirmware Version %d, SubVersion %d, Signature 0x%x\n",
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DRIVER_PREFIX, pHalData->FirmwareVersion,
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pHalData->FirmwareSubVersion, pHalData->FirmwareSignature);
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}
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if (IS_FW_HEADER_EXIST(pFwHdr)) {
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/* Shift 32 bytes for FW header */
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pFirmwareBuf = pFirmwareBuf + 32;
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FirmwareLen = FirmwareLen - 32;
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@ -863,33 +856,29 @@ s32 rtl8188e_FirmwareDownload(struct adapter *padapter)
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/* Suggested by Filen. If 8051 is running in RAM code, driver should inform Fw to reset by itself, */
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/* or it will cause download Fw fail. 2010.02.01. by tynli. */
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if (rtw_read8(padapter, REG_MCUFWDL) & RAM_DL_SEL) /* 8051 RAM code */
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{
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if (rtw_read8(padapter, REG_MCUFWDL) & RAM_DL_SEL) { /* 8051 RAM code */
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rtw_write8(padapter, REG_MCUFWDL, 0x00);
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_8051Reset88E(padapter);
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}
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_FWDownloadEnable(padapter, true);
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fwdl_start_time = rtw_get_current_time();
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while(1) {
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fwdl_start_time = jiffies;
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while (1) {
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/* reset the FWDL chksum */
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rtw_write8(padapter, REG_MCUFWDL, rtw_read8(padapter, REG_MCUFWDL)|FWDL_ChkSum_rpt);
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rtw_write8(padapter, REG_MCUFWDL, rtw_read8(padapter, REG_MCUFWDL) | FWDL_ChkSum_rpt);
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rtStatus = _WriteFW(padapter, pFirmwareBuf, FirmwareLen);
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if(rtStatus == _SUCCESS || padapter->bDriverStopped || padapter->bSurpriseRemoved
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||(writeFW_retry++ >= 3 && rtw_get_passing_time_ms(fwdl_start_time) > 500)
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)
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if (rtStatus == _SUCCESS ||
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(rtw_get_passing_time_ms(fwdl_start_time) > 500 && writeFW_retry++ >= 3))
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break;
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DBG_871X("%s writeFW_retry:%u, time after fwdl_start_time:%ums\n",
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__func__, writeFW_retry, rtw_get_passing_time_ms(fwdl_start_time)
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);
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}
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_FWDownloadEnable(padapter, false);
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DBG_871X("%s writeFW_retry:%u, time after fwdl_start_time:%ums\n", __FUNCTION__
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, writeFW_retry
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, rtw_get_passing_time_ms(fwdl_start_time)
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);
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if(_SUCCESS != rtStatus){
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if (_SUCCESS != rtStatus) {
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DBG_871X("DL Firmware failed!\n");
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goto Exit;
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}
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@ -902,10 +891,6 @@ s32 rtl8188e_FirmwareDownload(struct adapter *padapter)
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RT_TRACE(_module_hal_init_c_, _drv_info_, ("Firmware is ready to run!\n"));
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Exit:
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if (pFirmware)
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rtw_mfree((u8*)pFirmware, sizeof(RT_FIRMWARE_8188E));
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return rtStatus;
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}
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