diff options
Diffstat (limited to 'drivers/staging/rtl8192e/r8192E_firmware.c')
| -rw-r--r-- | drivers/staging/rtl8192e/r8192E_firmware.c | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/drivers/staging/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/r8192E_firmware.c new file mode 100644 index 000000000000..6d490292c036 --- /dev/null +++ b/drivers/staging/rtl8192e/r8192E_firmware.c @@ -0,0 +1,396 @@ +/****************************************************************************** + * 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> +******************************************************************************/ + +#if (defined(RTL8192E) || defined(RTL8190P)) + +#include "rtl_core.h" +#include "r8192E_hw.h" +#ifdef RTL8190P +#include "r8190P_hwimg.h" +#elif defined RTL8192E +#include "r8192E_hwimg.h" +#endif +#include "r8192E_firmware.h" +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) +#include <linux/firmware.h> +#endif + +extern void firmware_init_param(struct net_device *dev) +{ + struct r8192_priv *priv = rtllib_priv(dev); + rt_firmware *pfirmware = priv->pFirmware; + + pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD(MAX_TRANSMIT_BUFFER_SIZE); +} + +bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, u32 buffer_len) +{ + struct r8192_priv *priv = rtllib_priv(dev); + bool rt_status = true; + u16 frag_threshold; + u16 frag_length, frag_offset = 0; + int i; + + rt_firmware *pfirmware = priv->pFirmware; + struct sk_buff *skb; + unsigned char *seg_ptr; + cb_desc *tcb_desc; + u8 bLastIniPkt; + + firmware_init_param(dev); + frag_threshold = pfirmware->cmdpacket_frag_thresold; + do { + if ((buffer_len - frag_offset) > frag_threshold) { + frag_length = frag_threshold ; + bLastIniPkt = 0; + + } else { + frag_length = buffer_len - frag_offset; + bLastIniPkt = 1; + + } + + skb = dev_alloc_skb(frag_length + 4); + 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; + + seg_ptr = skb->data; + for (i=0 ; i < frag_length; i+=4) { + *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0; + *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0; + *seg_ptr++ = ((i+2)<frag_length)?code_virtual_address[i+1]:0; + *seg_ptr++ = ((i+3)<frag_length)?code_virtual_address[i+0]:0; + } + tcb_desc->txbuf_size= (u16)i; + skb_put(skb, i); + + if (!priv->rtllib->check_nic_enough_desc(dev,tcb_desc->queue_index)|| + (!skb_queue_empty(&priv->rtllib->skb_waitQ[tcb_desc->queue_index]))||\ + (priv->rtllib->queue_stop) ) { + RT_TRACE(COMP_FIRMWARE, "===================> tx full!\n"); + skb_queue_tail(&priv->rtllib->skb_waitQ[tcb_desc->queue_index], skb); + } else { + priv->rtllib->softmac_hard_start_xmit(skb,dev); + } + + code_virtual_address += frag_length; + frag_offset += frag_length; + + }while(frag_offset < buffer_len); + + write_nic_byte(dev, TPPoll, TPPoll_CQ); + + return rt_status; +} + +bool +fwSendNullPacket( + struct net_device *dev, + u32 Length +) +{ + bool rtStatus = true; + struct r8192_priv *priv = rtllib_priv(dev); + struct sk_buff *skb; + cb_desc *tcb_desc; + unsigned char *ptr_buf; + bool bLastInitPacket = false; + + + skb = dev_alloc_skb(Length+ 4); + 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 = bLastInitPacket; + ptr_buf = skb_put(skb, Length); + memset(ptr_buf,0,Length); + tcb_desc->txbuf_size= (u16)Length; + + if (!priv->rtllib->check_nic_enough_desc(dev,tcb_desc->queue_index)|| + (!skb_queue_empty(&priv->rtllib->skb_waitQ[tcb_desc->queue_index]))||\ + (priv->rtllib->queue_stop) ) { + RT_TRACE(COMP_FIRMWARE,"===================NULL packet================> tx full!\n"); + skb_queue_tail(&priv->rtllib->skb_waitQ[tcb_desc->queue_index], skb); + } else { + priv->rtllib->softmac_hard_start_xmit(skb,dev); + } + + write_nic_byte(dev, TPPoll, TPPoll_CQ); + return rtStatus; +} + +bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev) +{ + bool rt_status = true; + u32 CPU_status = 0; + unsigned long timeout; + + timeout = jiffies + MSECS(200); + while (time_before(jiffies, timeout)) { + CPU_status = read_nic_dword(dev, CPU_GEN); + if (CPU_status & CPU_GEN_PUT_CODE_OK) + break; + msleep(2); + } + + if (!(CPU_status&CPU_GEN_PUT_CODE_OK)) { + RT_TRACE(COMP_ERR, "Download Firmware: Put code fail!\n"); + goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; + } else { + RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n"); + } + + CPU_status = read_nic_dword(dev, CPU_GEN); + write_nic_byte(dev, CPU_GEN, (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff)); + mdelay(1); + + timeout = jiffies + MSECS(200); + while (time_before(jiffies, timeout)) { + CPU_status = read_nic_dword(dev, CPU_GEN); + if (CPU_status&CPU_GEN_BOOT_RDY) + break; + msleep(2); + } + + if (!(CPU_status&CPU_GEN_BOOT_RDY)) { + goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; + } else { + RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n"); + } + + return rt_status; + +CPUCheckMainCodeOKAndTurnOnCPU_Fail: + RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__); + rt_status = false; + return rt_status; +} + +bool CPUcheck_firmware_ready(struct net_device *dev) +{ + + bool rt_status = true; + u32 CPU_status = 0; + unsigned long timeout; + + timeout = jiffies + MSECS(20); + while (time_before(jiffies, timeout)) { + CPU_status = read_nic_dword(dev, CPU_GEN); + if (CPU_status&CPU_GEN_FIRM_RDY) + break; + msleep(2); + } + + if (!(CPU_status&CPU_GEN_FIRM_RDY)) + goto CPUCheckFirmwareReady_Fail; + else + RT_TRACE(COMP_FIRMWARE, "Download Firmware: Firmware ready!\n"); + + return rt_status; + +CPUCheckFirmwareReady_Fail: + RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__); + rt_status = false; + return rt_status; + +} + +inline static bool firmware_check_ready(struct net_device *dev, u8 load_fw_status) +{ + struct r8192_priv *priv = rtllib_priv(dev); + rt_firmware *pfirmware = priv->pFirmware; + bool rt_status = true; + + switch (load_fw_status) { + case FW_INIT_STEP0_BOOT: + pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE; +#ifdef RTL8190P + rt_status = fwSendNullPacket(dev, RTL8190_CPU_START_OFFSET); + if (!rt_status) { + RT_TRACE(COMP_INIT, "fwSendNullPacket() fail ! \n"); + } +#endif + break; + + case FW_INIT_STEP1_MAIN: + pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE; + + rt_status = CPUcheck_maincodeok_turnonCPU(dev); + if (rt_status) { + pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU; + } else { + RT_TRACE(COMP_FIRMWARE, "CPUcheck_maincodeok_turnonCPU fail!\n"); + } + + break; + + case FW_INIT_STEP2_DATA: + pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE; + mdelay(1); + + rt_status = CPUcheck_firmware_ready(dev); + if (rt_status) { + pfirmware->firmware_status = FW_STATUS_5_READY; + } else { + RT_TRACE(COMP_FIRMWARE, "CPUcheck_firmware_ready fail(%d)!\n",rt_status); + } + + break; + default: + rt_status = false; + RT_TRACE(COMP_FIRMWARE, "Unknown firware status"); + break; + } + + return rt_status; +} + +bool init_firmware(struct net_device *dev) +{ + struct r8192_priv *priv = rtllib_priv(dev); + bool rt_status = true; + +#ifdef RTL8190P + u8 *firmware_img_buf[3] = { &Rtl8190PciFwBootArray[0], + &Rtl8190PciFwMainArray[0], + &Rtl8190PciFwDataArray[0]}; + + u32 firmware_img_len[3] = { sizeof(Rtl8190PciFwBootArray), + sizeof(Rtl8190PciFwMainArray), + sizeof(Rtl8190PciFwDataArray)}; +#else + u8 *firmware_img_buf[3] = { &Rtl8192PciEFwBootArray[0], + &Rtl8192PciEFwMainArray[0], + &Rtl8192PciEFwDataArray[0]}; + + u32 firmware_img_len[3] = { sizeof(Rtl8192PciEFwBootArray), + sizeof(Rtl8192PciEFwMainArray), + sizeof(Rtl8192PciEFwDataArray)}; +#endif + u32 file_length = 0; + u8 *mapped_file = NULL; + u8 init_step = 0; + opt_rst_type_e rst_opt = OPT_SYSTEM_RESET; + firmware_init_step_e starting_state = FW_INIT_STEP0_BOOT; + + rt_firmware *pfirmware = priv->pFirmware; + + RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n"); + + if (pfirmware->firmware_status == FW_STATUS_0_INIT ) { + rst_opt = OPT_SYSTEM_RESET; + starting_state = FW_INIT_STEP0_BOOT; + + }else if (pfirmware->firmware_status == FW_STATUS_5_READY) { + rst_opt = OPT_FIRMWARE_RESET; + starting_state = FW_INIT_STEP2_DATA; + }else { + RT_TRACE(COMP_FIRMWARE, "PlatformInitFirmware: undefined firmware state\n"); + } + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) && defined(USE_FW_SOURCE_IMG_FILE) + priv->firmware_source = FW_SOURCE_IMG_FILE; +#else + priv->firmware_source = FW_SOURCE_HEADER_FILE; +#endif + for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) { + if (rst_opt == OPT_SYSTEM_RESET) { + switch (priv->firmware_source) { + case FW_SOURCE_IMG_FILE: + { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) && defined(USE_FW_SOURCE_IMG_FILE) + if (pfirmware->firmware_buf_size[init_step] == 0) { + const char *fw_name[3] = { "RTL8192E/boot.img", + "RTL8192E/main.img", + "RTL8192E/data.img" + }; + const struct firmware *fw_entry; + int rc; + rc = request_firmware(&fw_entry, fw_name[init_step],&priv->pdev->dev); + if (rc < 0 ) { + RT_TRACE(COMP_FIRMWARE, "request firmware fail!\n"); + goto download_firmware_fail; + } + if (fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) { + RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!\n"); + goto download_firmware_fail; + } + + if (init_step != FW_INIT_STEP1_MAIN) { + memcpy(pfirmware->firmware_buf[init_step],fw_entry->data,fw_entry->size); + pfirmware->firmware_buf_size[init_step] = fw_entry->size; + + } else { + memset(pfirmware->firmware_buf[init_step],0,128); + memcpy(&pfirmware->firmware_buf[init_step][128],fw_entry->data,fw_entry->size); + pfirmware->firmware_buf_size[init_step] = fw_entry->size+128; + } + + if (rst_opt == OPT_SYSTEM_RESET) { + release_firmware(fw_entry); + } + } + mapped_file = pfirmware->firmware_buf[init_step]; + file_length = pfirmware->firmware_buf_size[init_step]; +#endif + break; + } + case FW_SOURCE_HEADER_FILE: + mapped_file = firmware_img_buf[init_step]; + file_length = firmware_img_len[init_step]; + if (init_step == FW_INIT_STEP2_DATA) { + memcpy(pfirmware->firmware_buf[init_step], mapped_file, file_length); + pfirmware->firmware_buf_size[init_step] = file_length; + } + break; + + default: + break; + } + + + } else if (rst_opt == OPT_FIRMWARE_RESET) { + mapped_file = pfirmware->firmware_buf[init_step]; + file_length = pfirmware->firmware_buf_size[init_step]; + } + + rt_status = fw_download_code(dev,mapped_file,file_length); + if (rt_status != true) { + goto download_firmware_fail; + } + + if (!firmware_check_ready(dev, init_step)) { + goto download_firmware_fail; + } + } + + RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n"); + return rt_status; + +download_firmware_fail: + RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__); + rt_status = false; + return rt_status; + +} +#endif |