diff options
Diffstat (limited to 'drivers/staging/rtl8192su/r8192S_firmware.c')
| -rw-r--r-- | drivers/staging/rtl8192su/r8192S_firmware.c | 481 |
1 files changed, 0 insertions, 481 deletions
diff --git a/drivers/staging/rtl8192su/r8192S_firmware.c b/drivers/staging/rtl8192su/r8192S_firmware.c deleted file mode 100644 index db0d2d5..0000000 --- a/drivers/staging/rtl8192su/r8192S_firmware.c +++ /dev/null @@ -1,481 +0,0 @@ -/****************************************************************************** - * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. - * - * 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 - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> -******************************************************************************/ - -#include "r8192U.h" -#include "r8192S_firmware.h" -#include <linux/unistd.h> - -#include "r8192S_hw.h" -#include "r8192SU_HWImg.h" - -#include <linux/firmware.h> - -#define byte(x,n) ( (x >> (8 * n)) & 0xff ) - -// -// Description: This routine will intialize firmware. If any error occurs during the initialization -// process, the routine shall terminate immediately and return fail. -// -// Arguments: The pointer of the adapter -// Code address (Virtual address, should fill descriptor with physical address) -// Code size -// Created by Roger, 2008.04.10. -// -bool FirmwareDownloadCode(struct net_device *dev, - u8 *code_virtual_address, - u32 buffer_len) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - bool rt_status = true; - /* Fragmentation might be required in 90/92 but not in 92S */ - u16 frag_threshold = MAX_FIRMWARE_CODE_SIZE; - u16 frag_length, frag_offset = 0; - struct sk_buff *skb; - unsigned char *seg_ptr; - cb_desc *tcb_desc; - u8 bLastIniPkt = 0; - u16 ExtraDescOffset = 0; - - if (buffer_len >= MAX_FIRMWARE_CODE_SIZE - USB_HWDESC_HEADER_LEN) { - RT_TRACE(COMP_ERR, "(%s): Firmware exceeds" - " MAX_FIRMWARE_CODE_SIZE\n", __func__); - goto cmdsend_downloadcode_fail; - } - ExtraDescOffset = USB_HWDESC_HEADER_LEN; - do { - if((buffer_len-frag_offset) > frag_threshold) - frag_length = frag_threshold + ExtraDescOffset; - else { - frag_length = (u16)(buffer_len - - frag_offset + ExtraDescOffset); - bLastIniPkt = 1; - } - /* - * Allocate skb buffer to contain firmware info - * and tx descriptor info. - */ - skb = dev_alloc_skb(frag_length); - if (skb == NULL) { - RT_TRACE(COMP_ERR, "(%s): unable to alloc skb buffer\n", - __func__); - goto cmdsend_downloadcode_fail; - } - memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev)); - - tcb_desc = (cb_desc*)(skb->cb + MAX_DEV_ADDR_SIZE); - tcb_desc->queue_index = TXCMD_QUEUE; - tcb_desc->bCmdOrInit = DESC_PACKET_TYPE_INIT; - tcb_desc->bLastIniPkt = bLastIniPkt; - - skb_reserve(skb, ExtraDescOffset); - - seg_ptr = (u8 *)skb_put(skb, - (u32)(frag_length - ExtraDescOffset)); - - memcpy(seg_ptr, code_virtual_address + frag_offset, - (u32)(frag_length-ExtraDescOffset)); - - tcb_desc->txbuf_size = frag_length; - - if (!priv->ieee80211->check_nic_enough_desc(dev, tcb_desc->queue_index) || - (!skb_queue_empty(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index])) || - (priv->ieee80211->queue_stop)) { - RT_TRACE(COMP_FIRMWARE,"=====================================================> tx full!\n"); - skb_queue_tail(&priv->ieee80211->skb_waitQ[tcb_desc->queue_index], skb); - } else - priv->ieee80211->softmac_hard_start_xmit(skb, dev); - - frag_offset += (frag_length - ExtraDescOffset); - - } while (frag_offset < buffer_len); - return rt_status ; - -cmdsend_downloadcode_fail: - rt_status = false; - RT_TRACE(COMP_ERR, "(%s): failed\n", __func__); - return rt_status; -} - - -bool FirmwareEnableCPU(struct net_device *dev) -{ - bool rtStatus = true; - u8 tmpU1b, CPUStatus = 0; - u16 tmpU2b; - u32 iCheckTime = 200; - - /* Enable CPU. */ - tmpU1b = read_nic_byte(dev, SYS_CLKR); - /* AFE source */ - write_nic_byte(dev, SYS_CLKR, (tmpU1b|SYS_CPU_CLKSEL)); - tmpU2b = read_nic_word(dev, SYS_FUNC_EN); - write_nic_word(dev, SYS_FUNC_EN, (tmpU2b|FEN_CPUEN)); - /* Poll IMEM Ready after CPU has refilled. */ - do { - CPUStatus = read_nic_byte(dev, TCR); - if (CPUStatus & IMEM_RDY) - /* success */ - break; - udelay(100); - } while (iCheckTime--); - if (!(CPUStatus & IMEM_RDY)) { - RT_TRACE(COMP_ERR, "%s(): failed to enable CPU", __func__); - rtStatus = false; - } - return rtStatus; -} - -FIRMWARE_8192S_STATUS -FirmwareGetNextStatus(FIRMWARE_8192S_STATUS FWCurrentStatus) -{ - FIRMWARE_8192S_STATUS NextFWStatus = 0; - - switch(FWCurrentStatus) - { - case FW_STATUS_INIT: - NextFWStatus = FW_STATUS_LOAD_IMEM; - break; - - case FW_STATUS_LOAD_IMEM: - NextFWStatus = FW_STATUS_LOAD_EMEM; - break; - - case FW_STATUS_LOAD_EMEM: - NextFWStatus = FW_STATUS_LOAD_DMEM; - break; - - case FW_STATUS_LOAD_DMEM: - NextFWStatus = FW_STATUS_READY; - break; - - default: - RT_TRACE(COMP_ERR,"Invalid FW Status(%#x)!!\n", FWCurrentStatus); - break; - } - return NextFWStatus; -} - -bool FirmwareCheckReady(struct net_device *dev, u8 LoadFWStatus) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - bool rtStatus = true; - rt_firmware *pFirmware = priv->pFirmware; - int PollingCnt = 1000; - u8 CPUStatus = 0; - u32 tmpU4b; - - pFirmware->FWStatus = (FIRMWARE_8192S_STATUS)LoadFWStatus; - switch (LoadFWStatus) { - case FW_STATUS_LOAD_IMEM: - do { /* Polling IMEM code done. */ - CPUStatus = read_nic_byte(dev, TCR); - if(CPUStatus& IMEM_CODE_DONE) - break; - udelay(5); - } while (PollingCnt--); - if (!(CPUStatus & IMEM_CHK_RPT) || PollingCnt <= 0) { - RT_TRACE(COMP_ERR, "FW_STATUS_LOAD_IMEM FAIL CPU, Status=%x\r\n", CPUStatus); - goto FirmwareCheckReadyFail; - } - break; - case FW_STATUS_LOAD_EMEM: /* Check Put Code OK and Turn On CPU */ - do { /* Polling EMEM code done. */ - CPUStatus = read_nic_byte(dev, TCR); - if(CPUStatus& EMEM_CODE_DONE) - break; - udelay(5); - } while (PollingCnt--); - if (!(CPUStatus & EMEM_CHK_RPT)) { - RT_TRACE(COMP_ERR, "FW_STATUS_LOAD_EMEM FAIL CPU, Status=%x\r\n", CPUStatus); - goto FirmwareCheckReadyFail; - } - /* Turn On CPU */ - if (FirmwareEnableCPU(dev) != true) { - RT_TRACE(COMP_ERR, "%s(): failed to enable CPU", - __func__); - goto FirmwareCheckReadyFail; - } - break; - case FW_STATUS_LOAD_DMEM: - do { /* Polling DMEM code done */ - CPUStatus = read_nic_byte(dev, TCR); - if(CPUStatus& DMEM_CODE_DONE) - break; - - udelay(5); - } while (PollingCnt--); - - if (!(CPUStatus & DMEM_CODE_DONE)) { - RT_TRACE(COMP_ERR, "Polling DMEM code done fail ! CPUStatus(%#x)\n", CPUStatus); - goto FirmwareCheckReadyFail; - } - - RT_TRACE(COMP_FIRMWARE, "%s(): DMEM code download success, " - "CPUStatus(%#x)", - __func__, CPUStatus); - - PollingCnt = 10000; /* Set polling cycle to 10ms. */ - - do { /* Polling Load Firmware ready */ - CPUStatus = read_nic_byte(dev, TCR); - if(CPUStatus & FWRDY) - break; - udelay(100); - } while (PollingCnt--); - - RT_TRACE(COMP_FIRMWARE, "%s(): polling load firmware ready, " - "CPUStatus(%x)", - __func__, CPUStatus); - - if ((CPUStatus & LOAD_FW_READY) != LOAD_FW_READY) { - RT_TRACE(COMP_ERR, "Polling Load Firmware ready failed " - "CPUStatus(%x)\n", CPUStatus); - goto FirmwareCheckReadyFail; - } - /* - * USB interface will update - * reserved followings parameters later - */ - - // - // <Roger_Notes> If right here, we can set TCR/RCR to desired value - // and config MAC lookback mode to normal mode. 2008.08.28. - // - tmpU4b = read_nic_dword(dev,TCR); - write_nic_dword(dev, TCR, (tmpU4b&(~TCR_ICV))); - - tmpU4b = read_nic_dword(dev, RCR); - write_nic_dword(dev, RCR, - (tmpU4b|RCR_APPFCS|RCR_APP_ICV|RCR_APP_MIC)); - - RT_TRACE(COMP_FIRMWARE, "%s(): Current RCR settings(%#x)", - __func__, tmpU4b); - // Set to normal mode. - write_nic_byte(dev, LBKMD_SEL, LBK_NORMAL); - break; - default: - break; - } - RT_TRACE(COMP_FIRMWARE, "%s(): LoadFWStatus(%d), success", - __func__, LoadFWStatus); - return rtStatus; - -FirmwareCheckReadyFail: - rtStatus = false; - RT_TRACE(COMP_FIRMWARE, "%s(): LoadFWStatus(%d), failed", - __func__, LoadFWStatus); - return rtStatus; -} - -// -// Description: This routine is to update the RF types in FW header partially. -// -// Created by Roger, 2008.12.24. -// -u8 FirmwareHeaderMapRfType(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - switch(priv->rf_type) - { - case RF_1T1R: return 0x11; - case RF_1T2R: return 0x12; - case RF_2T2R: return 0x22; - case RF_2T2R_GREEN: return 0x92; - default: - RT_TRACE(COMP_INIT, "Unknown RF type(%x)\n",priv->rf_type); - break; - } - return 0x22; -} - - -// -// Description: This routine is to update the private parts in FW header partially. -// -// Created by Roger, 2008.12.18. -// -void FirmwareHeaderPriveUpdate(struct net_device *dev, PRT_8192S_FIRMWARE_PRIV pFwPriv) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - // Update USB endpoint number for RQPN settings. - pFwPriv->usb_ep_num = priv->EEPROMUsbEndPointNumber; // endpoint number: 4, 6 and 11. - RT_TRACE(COMP_INIT, "FirmwarePriveUpdate(): usb_ep_num(%#x)\n", pFwPriv->usb_ep_num); - - // Update RF types for RATR settings. - pFwPriv->rf_config = FirmwareHeaderMapRfType(dev); -} - -bool FirmwareRequest92S(struct net_device *dev, rt_firmware *pFirmware) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - bool rtStatus = true; - const char *pFwImageFileName[1] = {"RTL8192SU/rtl8192sfw.bin"}; - u8 *pucMappedFile = NULL; - u32 ulInitStep = 0; - u8 FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE; - PRT_8192S_FIRMWARE_HDR pFwHdr = NULL; - u32 file_length = 0; - int rc; - const struct firmware *fw_entry; - - rc = request_firmware(&fw_entry, - pFwImageFileName[ulInitStep], - &priv->udev->dev); - if (rc < 0) - goto RequestFirmware_Fail; - - if (fw_entry->size > sizeof(pFirmware->szFwTmpBuffer)) { - RT_TRACE(COMP_ERR, "%s(): image file too large" - "for container buffer", __func__); - release_firmware(fw_entry); - goto RequestFirmware_Fail; - } - - memcpy(pFirmware->szFwTmpBuffer, fw_entry->data, fw_entry->size); - pFirmware->szFwTmpBufferLen = fw_entry->size; - release_firmware(fw_entry); - - pucMappedFile = pFirmware->szFwTmpBuffer; - file_length = pFirmware->szFwTmpBufferLen; - - /* Retrieve FW header. */ - pFirmware->pFwHeader = (PRT_8192S_FIRMWARE_HDR) pucMappedFile; - pFwHdr = pFirmware->pFwHeader; - - RT_TRACE(COMP_FIRMWARE, "%s(): signature: %x, version: %x, " - "size: %x, imemsize: %x, sram size: %x", - __func__, pFwHdr->Signature, pFwHdr->Version, - pFwHdr->DMEMSize, pFwHdr->IMG_IMEM_SIZE, - pFwHdr->IMG_SRAM_SIZE); - - pFirmware->FirmwareVersion = byte(pFwHdr->Version , 0); - - if ((pFwHdr->IMG_IMEM_SIZE == 0) || - (pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM))) { - RT_TRACE(COMP_ERR, "%s(): memory for data image is less than" - " IMEM requires", __func__); - goto RequestFirmware_Fail; - } else { - pucMappedFile += FwHdrSize; - /* Retrieve IMEM image. */ - memcpy(pFirmware->FwIMEM, pucMappedFile, pFwHdr->IMG_IMEM_SIZE); - pFirmware->FwIMEMLen = pFwHdr->IMG_IMEM_SIZE; - } - - if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM)) { - RT_TRACE(COMP_ERR, "%s(): memory for data image is less than" - " EMEM requires", __func__); - goto RequestFirmware_Fail; - } else { - pucMappedFile += pFirmware->FwIMEMLen; - /* Retriecve EMEM image */ - memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE); - pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE; - } - return rtStatus; - -RequestFirmware_Fail: - RT_TRACE(COMP_ERR, "%s(): failed with TCR-Status: %x\n", - __func__, read_nic_word(dev, TCR)); - rtStatus = false; - return rtStatus; -} - -bool FirmwareDownload92S(struct net_device *dev) -{ - struct r8192_priv *priv = ieee80211_priv(dev); - bool rtStatus = true; - u8 *pucMappedFile = NULL; - u32 ulFileLength; - u8 FwHdrSize = RT_8192S_FIRMWARE_HDR_SIZE; - rt_firmware *pFirmware = priv->pFirmware; - u8 FwStatus = FW_STATUS_INIT; - PRT_8192S_FIRMWARE_HDR pFwHdr = NULL; - PRT_8192S_FIRMWARE_PRIV pFwPriv = NULL; - - pFirmware->FWStatus = FW_STATUS_INIT; - /* - * Load the firmware from RTL8192SU/rtl8192sfw.bin if necessary - */ - if (pFirmware->szFwTmpBufferLen == 0) { - if (FirmwareRequest92S(dev, pFirmware) != true) - goto DownloadFirmware_Fail; - } - FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus); - while (FwStatus != FW_STATUS_READY) { - /* Image buffer redirection. */ - switch (FwStatus) { - case FW_STATUS_LOAD_IMEM: - pucMappedFile = pFirmware->FwIMEM; - ulFileLength = pFirmware->FwIMEMLen; - break; - - case FW_STATUS_LOAD_EMEM: - pucMappedFile = pFirmware->FwEMEM; - ulFileLength = pFirmware->FwEMEMLen; - break; - - case FW_STATUS_LOAD_DMEM: - /* Partial update the content of private header */ - pFwHdr = pFirmware->pFwHeader; - pFwPriv = (PRT_8192S_FIRMWARE_PRIV)&pFwHdr->FWPriv; - FirmwareHeaderPriveUpdate(dev, pFwPriv); - pucMappedFile = (u8 *)(pFirmware->pFwHeader) + - RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE; - - ulFileLength = FwHdrSize - - RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE; - break; - - default: - RT_TRACE(COMP_ERR, "Unexpected Download step!!\n"); - goto DownloadFirmware_Fail; - break; - } - - /* <2> Download image file */ - - rtStatus = FirmwareDownloadCode(dev, - pucMappedFile, - ulFileLength); - - if(rtStatus != true) - goto DownloadFirmware_Fail; - - /* <3> Check whether load FW process is ready */ - - rtStatus = FirmwareCheckReady(dev, FwStatus); - - if(rtStatus != true) - goto DownloadFirmware_Fail; - - FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus); - } - - RT_TRACE(COMP_FIRMWARE, "%s(): Firmware Download Success", __func__); - return rtStatus; - -DownloadFirmware_Fail: - RT_TRACE(COMP_ERR, "%s(): failed with TCR-Status: %x\n", - __func__, read_nic_word(dev, TCR)); - rtStatus = false; - return rtStatus; -} - -MODULE_FIRMWARE("RTL8192SU/rtl8192sfw.bin"); |
