diff options
Diffstat (limited to 'drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c')
| -rw-r--r-- | drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c | 278 |
1 files changed, 84 insertions, 194 deletions
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c index 5c527c419bc9..9aaa85526eb8 100644 --- a/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c +++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c @@ -6,10 +6,6 @@ * 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. * @@ -21,164 +17,48 @@ #include "r8192E_hw.h" #include "r8192E_hwimg.h" #include "r8192E_firmware.h" +#include "r8192E_cmdpkt.h" #include <linux/firmware.h> -void rtl92e_init_fw_param(struct net_device *dev) -{ - struct r8192_priv *priv = rtllib_priv(dev); - struct rt_firmware *pfirmware = priv->pFirmware; - - pfirmware->cmdpacket_frag_thresold = GET_COMMAND_PACKET_FRAG_THRESHOLD( - MAX_TRANSMIT_BUFFER_SIZE); -} - -static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address, - u32 buffer_len) +static bool _rtl92e_wait_for_fw(struct net_device *dev, u32 mask, u32 timeout) { - struct r8192_priv *priv = rtllib_priv(dev); - u16 frag_threshold; - u16 frag_length, frag_offset = 0; - int i; + unsigned long deadline = jiffies + msecs_to_jiffies(timeout); - struct rt_firmware *pfirmware = priv->pFirmware; - struct sk_buff *skb; - unsigned char *seg_ptr; - struct cb_desc *tcb_desc; - u8 bLastIniPkt; - - rtl92e_init_fw_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 = (struct 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); - - rtl92e_writeb(dev, TPPoll, TPPoll_CQ); - - return true; + while (time_before(jiffies, deadline)) { + if (rtl92e_readl(dev, CPU_GEN) & mask) + return true; + mdelay(2); + } + return false; } -static bool CPUcheck_maincodeok_turnonCPU(struct net_device *dev) +static bool _rtl92e_fw_boot_cpu(struct net_device *dev) { - bool rt_status = true; u32 CPU_status = 0; - unsigned long timeout; - timeout = jiffies + msecs_to_jiffies(200); - while (time_before(jiffies, timeout)) { - CPU_status = rtl92e_readl(dev, CPU_GEN); - if (CPU_status & CPU_GEN_PUT_CODE_OK) - break; - mdelay(2); - } - - if (!(CPU_status&CPU_GEN_PUT_CODE_OK)) { + if (!_rtl92e_wait_for_fw(dev, CPU_GEN_PUT_CODE_OK, 200)) { netdev_err(dev, "Firmware download failed.\n"); - goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; - } else { - RT_TRACE(COMP_FIRMWARE, "Download Firmware: Put code ok!\n"); + return false; } + netdev_dbg(dev, "Download Firmware: Put code ok!\n"); CPU_status = rtl92e_readl(dev, CPU_GEN); rtl92e_writeb(dev, CPU_GEN, (u8)((CPU_status|CPU_GEN_PWR_STB_CPU)&0xff)); mdelay(1); - timeout = jiffies + msecs_to_jiffies(200); - while (time_before(jiffies, timeout)) { - CPU_status = rtl92e_readl(dev, CPU_GEN); - if (CPU_status&CPU_GEN_BOOT_RDY) - break; - mdelay(2); - } - - if (!(CPU_status&CPU_GEN_BOOT_RDY)) { + if (!_rtl92e_wait_for_fw(dev, CPU_GEN_BOOT_RDY, 200)) { netdev_err(dev, "Firmware boot failed.\n"); - goto CPUCheckMainCodeOKAndTurnOnCPU_Fail; - } - - RT_TRACE(COMP_FIRMWARE, "Download Firmware: Boot ready!\n"); - - return rt_status; - -CPUCheckMainCodeOKAndTurnOnCPU_Fail: - rt_status = false; - return rt_status; -} - -static bool CPUcheck_firmware_ready(struct net_device *dev) -{ - - bool rt_status = true; - u32 CPU_status = 0; - unsigned long timeout; - - timeout = jiffies + msecs_to_jiffies(20); - while (time_before(jiffies, timeout)) { - CPU_status = rtl92e_readl(dev, CPU_GEN); - if (CPU_status&CPU_GEN_FIRM_RDY) - break; - mdelay(2); + return false; } - 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_status = false; - return rt_status; + netdev_dbg(dev, "Download Firmware: Boot ready!\n"); + return true; } -static bool firmware_check_ready(struct net_device *dev, - u8 load_fw_status) +static bool _rtl92e_fw_check_ready(struct net_device *dev, + u8 load_fw_status) { struct r8192_priv *priv = rtllib_priv(dev); struct rt_firmware *pfirmware = priv->pFirmware; @@ -186,43 +66,77 @@ static bool firmware_check_ready(struct net_device *dev, switch (load_fw_status) { case FW_INIT_STEP0_BOOT: - pfirmware->firmware_status = FW_STATUS_1_MOVE_BOOT_CODE; + pfirmware->status = FW_STATUS_1_MOVE_BOOT_CODE; break; case FW_INIT_STEP1_MAIN: - pfirmware->firmware_status = FW_STATUS_2_MOVE_MAIN_CODE; + pfirmware->status = FW_STATUS_2_MOVE_MAIN_CODE; - rt_status = CPUcheck_maincodeok_turnonCPU(dev); + rt_status = _rtl92e_fw_boot_cpu(dev); if (rt_status) - pfirmware->firmware_status = FW_STATUS_3_TURNON_CPU; + pfirmware->status = FW_STATUS_3_TURNON_CPU; else - RT_TRACE(COMP_FIRMWARE, - "CPUcheck_maincodeok_turnonCPU fail!\n"); + netdev_dbg(dev, "_rtl92e_fw_boot_cpu fail!\n"); break; case FW_INIT_STEP2_DATA: - pfirmware->firmware_status = FW_STATUS_4_MOVE_DATA_CODE; + pfirmware->status = FW_STATUS_4_MOVE_DATA_CODE; mdelay(1); - rt_status = CPUcheck_firmware_ready(dev); + rt_status = _rtl92e_wait_for_fw(dev, CPU_GEN_FIRM_RDY, 20); if (rt_status) - pfirmware->firmware_status = FW_STATUS_5_READY; + pfirmware->status = FW_STATUS_5_READY; else RT_TRACE(COMP_FIRMWARE, - "CPUcheck_firmware_ready fail(%d)!\n", + "_rtl92e_is_fw_ready fail(%d)!\n", rt_status); - break; default: rt_status = false; - RT_TRACE(COMP_FIRMWARE, "Unknown firmware status"); + netdev_dbg(dev, "Unknown firmware status"); break; } return rt_status; } +static bool _rtl92e_fw_prepare(struct net_device *dev, struct rt_fw_blob *blob, + const char *name, u8 padding) +{ + const struct firmware *fw; + int rc, i; + bool ret = true; + + rc = request_firmware(&fw, name, &dev->dev); + if (rc < 0) + return false; + + if (round_up(fw->size, 4) > MAX_FW_SIZE - padding) { + netdev_err(dev, "Firmware image %s too big for the device.\n", + name); + ret = false; + goto out; + } + + if (padding) + memset(blob->data, 0, padding); + if (fw->size % 4) + memset(blob->data + padding + fw->size, 0, 4); + memcpy(blob->data + padding, fw->data, fw->size); + + blob->size = round_up(fw->size, 4) + padding; + + /* Swap endian - firmware is packaged in invalid endiannes*/ + for (i = padding; i < blob->size; i += 4) { + u32 *data = (u32 *)(blob->data + i); + *data = swab32p(data); + } +out: + release_firmware(fw); + return ret; +} + bool rtl92e_init_fw(struct net_device *dev) { struct r8192_priv *priv = rtllib_priv(dev); @@ -236,13 +150,13 @@ bool rtl92e_init_fw(struct net_device *dev) struct rt_firmware *pfirmware = priv->pFirmware; - RT_TRACE(COMP_FIRMWARE, " PlatformInitFirmware()==>\n"); + netdev_dbg(dev, " PlatformInitFirmware()==>\n"); - if (pfirmware->firmware_status == FW_STATUS_0_INIT) { + if (pfirmware->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) { + } else if (pfirmware->status == FW_STATUS_5_READY) { rst_opt = OPT_FIRMWARE_RESET; starting_state = FW_INIT_STEP2_DATA; } else { @@ -252,62 +166,38 @@ bool rtl92e_init_fw(struct net_device *dev) for (i = starting_state; i <= FW_INIT_STEP2_DATA; i++) { if (rst_opt == OPT_SYSTEM_RESET) { - if (pfirmware->firmware_buf_size[i] == 0) { + if (pfirmware->blobs[i].size == 0) { const char *fw_name[3] = { RTL8192E_BOOT_IMG_FW, RTL8192E_MAIN_IMG_FW, RTL8192E_DATA_IMG_FW }; - const struct firmware *fw_entry; - int rc; - - rc = request_firmware(&fw_entry, - fw_name[i], - &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[i])) { - RT_TRACE(COMP_FIRMWARE, - "img file size exceed the container struct buffer fail!\n"); + int pad = 0; + + if (i == FW_INIT_STEP1_MAIN) + pad = 128; + + if (!_rtl92e_fw_prepare(dev, + &pfirmware->blobs[i], + fw_name[i], + pad)) goto download_firmware_fail; - } - - if (i != FW_INIT_STEP1_MAIN) { - memcpy(pfirmware->firmware_buf[i], - fw_entry->data, fw_entry->size); - pfirmware->firmware_buf_size[i] = - fw_entry->size; - - } else { - memset(pfirmware->firmware_buf[i], - 0, 128); - memcpy(&pfirmware->firmware_buf[i][128], - fw_entry->data, fw_entry->size); - pfirmware->firmware_buf_size[i] = - fw_entry->size + 128; - } - - if (rst_opt == OPT_SYSTEM_RESET) - release_firmware(fw_entry); } } - mapped_file = pfirmware->firmware_buf[i]; - file_length = pfirmware->firmware_buf_size[i]; + mapped_file = pfirmware->blobs[i].data; + file_length = pfirmware->blobs[i].size; - rt_status = fw_download_code(dev, mapped_file, file_length); + rt_status = rtl92e_send_cmd_pkt(dev, DESC_PACKET_TYPE_INIT, + mapped_file, file_length); if (!rt_status) goto download_firmware_fail; - if (!firmware_check_ready(dev, i)) + if (!_rtl92e_fw_check_ready(dev, i)) goto download_firmware_fail; } - RT_TRACE(COMP_FIRMWARE, "Firmware Download Success\n"); + netdev_dbg(dev, "Firmware Download Success\n"); return rt_status; download_firmware_fail: |