|  | /****************************************************************************** | 
|  | * | 
|  | * Copyright(c) 2009-2010  Realtek Corporation. | 
|  | * | 
|  | * 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. | 
|  | * | 
|  | * 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> | 
|  | * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park, | 
|  | * Hsinchu 300, Taiwan. | 
|  | * | 
|  | * Larry Finger <Larry.Finger@lwfinger.net> | 
|  | * | 
|  | *****************************************************************************/ | 
|  |  | 
|  | #include "../wifi.h" | 
|  | #include "../pci.h" | 
|  | #include "../base.h" | 
|  | #include "reg.h" | 
|  | #include "def.h" | 
|  | #include "fw.h" | 
|  |  | 
|  | static void _rtl92s_fw_set_rqpn(struct ieee80211_hw *hw) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  |  | 
|  | rtl_write_dword(rtlpriv, RQPN, 0xffffffff); | 
|  | rtl_write_dword(rtlpriv, RQPN + 4, 0xffffffff); | 
|  | rtl_write_byte(rtlpriv, RQPN + 8, 0xff); | 
|  | rtl_write_byte(rtlpriv, RQPN + 0xB, 0x80); | 
|  | } | 
|  |  | 
|  | static bool _rtl92s_firmware_enable_cpu(struct ieee80211_hw *hw) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | u32 ichecktime = 200; | 
|  | u16 tmpu2b; | 
|  | u8 tmpu1b, cpustatus = 0; | 
|  |  | 
|  | _rtl92s_fw_set_rqpn(hw); | 
|  |  | 
|  | /* Enable CPU. */ | 
|  | tmpu1b = rtl_read_byte(rtlpriv, SYS_CLKR); | 
|  | /* AFE source */ | 
|  | rtl_write_byte(rtlpriv, SYS_CLKR, (tmpu1b | SYS_CPU_CLKSEL)); | 
|  |  | 
|  | tmpu2b = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN); | 
|  | rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (tmpu2b | FEN_CPUEN)); | 
|  |  | 
|  | /* Polling IMEM Ready after CPU has refilled. */ | 
|  | do { | 
|  | cpustatus = rtl_read_byte(rtlpriv, TCR); | 
|  | if (cpustatus & IMEM_RDY) { | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | 
|  | ("IMEM Ready after CPU has refilled.\n")); | 
|  | break; | 
|  | } | 
|  |  | 
|  | udelay(100); | 
|  | } while (ichecktime--); | 
|  |  | 
|  | if (!(cpustatus & IMEM_RDY)) | 
|  | return false; | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static enum fw_status _rtl92s_firmware_get_nextstatus( | 
|  | enum fw_status fw_currentstatus) | 
|  | { | 
|  | enum fw_status	next_fwstatus = 0; | 
|  |  | 
|  | switch (fw_currentstatus) { | 
|  | case FW_STATUS_INIT: | 
|  | next_fwstatus = FW_STATUS_LOAD_IMEM; | 
|  | break; | 
|  | case FW_STATUS_LOAD_IMEM: | 
|  | next_fwstatus = FW_STATUS_LOAD_EMEM; | 
|  | break; | 
|  | case FW_STATUS_LOAD_EMEM: | 
|  | next_fwstatus = FW_STATUS_LOAD_DMEM; | 
|  | break; | 
|  | case FW_STATUS_LOAD_DMEM: | 
|  | next_fwstatus = FW_STATUS_READY; | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | return next_fwstatus; | 
|  | } | 
|  |  | 
|  | static u8 _rtl92s_firmware_header_map_rftype(struct ieee80211_hw *hw) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | struct rtl_phy *rtlphy = &(rtlpriv->phy); | 
|  |  | 
|  | switch (rtlphy->rf_type) { | 
|  | case RF_1T1R: | 
|  | return 0x11; | 
|  | break; | 
|  | case RF_1T2R: | 
|  | return 0x12; | 
|  | break; | 
|  | case RF_2T2R: | 
|  | return 0x22; | 
|  | break; | 
|  | default: | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, | 
|  | ("Unknown RF type(%x)\n", | 
|  | rtlphy->rf_type)); | 
|  | break; | 
|  | } | 
|  | return 0x22; | 
|  | } | 
|  |  | 
|  | static void _rtl92s_firmwareheader_priveupdate(struct ieee80211_hw *hw, | 
|  | struct fw_priv *pfw_priv) | 
|  | { | 
|  | /* Update RF types for RATR settings. */ | 
|  | pfw_priv->rf_config = _rtl92s_firmware_header_map_rftype(hw); | 
|  | } | 
|  |  | 
|  |  | 
|  |  | 
|  | static bool _rtl92s_cmd_send_packet(struct ieee80211_hw *hw, | 
|  | struct sk_buff *skb, u8 last) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw)); | 
|  | struct rtl8192_tx_ring *ring; | 
|  | struct rtl_tx_desc *pdesc; | 
|  | unsigned long flags; | 
|  | u8 idx = 0; | 
|  |  | 
|  | ring = &rtlpci->tx_ring[TXCMD_QUEUE]; | 
|  |  | 
|  | spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags); | 
|  |  | 
|  | idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries; | 
|  | pdesc = &ring->desc[idx]; | 
|  | rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb); | 
|  | __skb_queue_tail(&ring->queue, skb); | 
|  |  | 
|  | spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags); | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | static bool _rtl92s_firmware_downloadcode(struct ieee80211_hw *hw, | 
|  | u8 *code_virtual_address, u32 buffer_len) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | struct sk_buff *skb; | 
|  | struct rtl_tcb_desc *tcb_desc; | 
|  | unsigned char *seg_ptr; | 
|  | u16 frag_threshold = MAX_FIRMWARE_CODE_SIZE; | 
|  | u16 frag_length, frag_offset = 0; | 
|  | u16 extra_descoffset = 0; | 
|  | u8 last_inipkt = 0; | 
|  |  | 
|  | _rtl92s_fw_set_rqpn(hw); | 
|  |  | 
|  | if (buffer_len >= MAX_FIRMWARE_CODE_SIZE) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("Size over FIRMWARE_CODE_SIZE!\n")); | 
|  |  | 
|  | return false; | 
|  | } | 
|  |  | 
|  | extra_descoffset = 0; | 
|  |  | 
|  | do { | 
|  | if ((buffer_len - frag_offset) > frag_threshold) { | 
|  | frag_length = frag_threshold + extra_descoffset; | 
|  | } else { | 
|  | frag_length = (u16)(buffer_len - frag_offset + | 
|  | extra_descoffset); | 
|  | last_inipkt = 1; | 
|  | } | 
|  |  | 
|  | /* Allocate skb buffer to contain firmware */ | 
|  | /* info and tx descriptor info. */ | 
|  | skb = dev_alloc_skb(frag_length); | 
|  | skb_reserve(skb, extra_descoffset); | 
|  | seg_ptr = (u8 *)skb_put(skb, (u32)(frag_length - | 
|  | extra_descoffset)); | 
|  | memcpy(seg_ptr, code_virtual_address + frag_offset, | 
|  | (u32)(frag_length - extra_descoffset)); | 
|  |  | 
|  | tcb_desc = (struct rtl_tcb_desc *)(skb->cb); | 
|  | tcb_desc->queue_index = TXCMD_QUEUE; | 
|  | tcb_desc->cmd_or_init = DESC_PACKET_TYPE_INIT; | 
|  | tcb_desc->last_inipkt = last_inipkt; | 
|  |  | 
|  | _rtl92s_cmd_send_packet(hw, skb, last_inipkt); | 
|  |  | 
|  | frag_offset += (frag_length - extra_descoffset); | 
|  |  | 
|  | } while (frag_offset < buffer_len); | 
|  |  | 
|  | rtl_write_byte(rtlpriv, TP_POLL, TPPOLL_CQ); | 
|  |  | 
|  | return true ; | 
|  | } | 
|  |  | 
|  | static bool _rtl92s_firmware_checkready(struct ieee80211_hw *hw, | 
|  | u8 loadfw_status) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | 
|  | struct rt_firmware *firmware = (struct rt_firmware *)rtlhal->pfirmware; | 
|  | u32 tmpu4b; | 
|  | u8 cpustatus = 0; | 
|  | short pollingcnt = 1000; | 
|  | bool rtstatus = true; | 
|  |  | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("LoadStaus(%d)\n", | 
|  | loadfw_status)); | 
|  |  | 
|  | firmware->fwstatus = (enum fw_status)loadfw_status; | 
|  |  | 
|  | switch (loadfw_status) { | 
|  | case FW_STATUS_LOAD_IMEM: | 
|  | /* Polling IMEM code done. */ | 
|  | do { | 
|  | cpustatus = rtl_read_byte(rtlpriv, TCR); | 
|  | if (cpustatus & IMEM_CODE_DONE) | 
|  | break; | 
|  | udelay(5); | 
|  | } while (pollingcnt--); | 
|  |  | 
|  | if (!(cpustatus & IMEM_CHK_RPT) || (pollingcnt <= 0)) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("FW_STATUS_LOAD_IMEM" | 
|  | " FAIL CPU, Status=%x\r\n", cpustatus)); | 
|  | goto status_check_fail; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case FW_STATUS_LOAD_EMEM: | 
|  | /* Check Put Code OK and Turn On CPU */ | 
|  | /* Polling EMEM code done. */ | 
|  | do { | 
|  | cpustatus = rtl_read_byte(rtlpriv, TCR); | 
|  | if (cpustatus & EMEM_CODE_DONE) | 
|  | break; | 
|  | udelay(5); | 
|  | } while (pollingcnt--); | 
|  |  | 
|  | if (!(cpustatus & EMEM_CHK_RPT) || (pollingcnt <= 0)) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("FW_STATUS_LOAD_EMEM" | 
|  | " FAIL CPU, Status=%x\r\n", cpustatus)); | 
|  | goto status_check_fail; | 
|  | } | 
|  |  | 
|  | /* Turn On CPU */ | 
|  | rtstatus = _rtl92s_firmware_enable_cpu(hw); | 
|  | if (rtstatus != true) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("Enable CPU fail!\n")); | 
|  | goto status_check_fail; | 
|  | } | 
|  | break; | 
|  |  | 
|  | case FW_STATUS_LOAD_DMEM: | 
|  | /* Polling DMEM code done */ | 
|  | do { | 
|  | cpustatus = rtl_read_byte(rtlpriv, TCR); | 
|  | if (cpustatus & DMEM_CODE_DONE) | 
|  | break; | 
|  | udelay(5); | 
|  | } while (pollingcnt--); | 
|  |  | 
|  | if (!(cpustatus & DMEM_CODE_DONE) || (pollingcnt <= 0)) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("Polling  DMEM code done" | 
|  | " fail ! cpustatus(%#x)\n", cpustatus)); | 
|  | goto status_check_fail; | 
|  | } | 
|  |  | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | 
|  | ("DMEM code download success," | 
|  | " cpustatus(%#x)\n", cpustatus)); | 
|  |  | 
|  | /* Prevent Delay too much and being scheduled out */ | 
|  | /* Polling Load Firmware ready */ | 
|  | pollingcnt = 2000; | 
|  | do { | 
|  | cpustatus = rtl_read_byte(rtlpriv, TCR); | 
|  | if (cpustatus & FWRDY) | 
|  | break; | 
|  | udelay(40); | 
|  | } while (pollingcnt--); | 
|  |  | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | 
|  | ("Polling Load Firmware ready," | 
|  | " cpustatus(%x)\n",	cpustatus)); | 
|  |  | 
|  | if (((cpustatus & LOAD_FW_READY) != LOAD_FW_READY) || | 
|  | (pollingcnt <= 0)) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("Polling Load Firmware" | 
|  | " ready fail ! cpustatus(%x)\n", cpustatus)); | 
|  | goto status_check_fail; | 
|  | } | 
|  |  | 
|  | /* If right here, we can set TCR/RCR to desired value  */ | 
|  | /* and config MAC lookback mode to normal mode */ | 
|  | tmpu4b = rtl_read_dword(rtlpriv, TCR); | 
|  | rtl_write_dword(rtlpriv, TCR, (tmpu4b & (~TCR_ICV))); | 
|  |  | 
|  | tmpu4b = rtl_read_dword(rtlpriv, RCR); | 
|  | rtl_write_dword(rtlpriv, RCR, (tmpu4b | RCR_APPFCS | | 
|  | RCR_APP_ICV | RCR_APP_MIC)); | 
|  |  | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, | 
|  | ("Current RCR settings(%#x)\n", tmpu4b)); | 
|  |  | 
|  | /* Set to normal mode. */ | 
|  | rtl_write_byte(rtlpriv, LBKMD_SEL, LBK_NORMAL); | 
|  | break; | 
|  |  | 
|  | default: | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_EMERG, | 
|  | ("Unknown status check!\n")); | 
|  | rtstatus = false; | 
|  | break; | 
|  | } | 
|  |  | 
|  | status_check_fail: | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("loadfw_status(%d), " | 
|  | "rtstatus(%x)\n", loadfw_status, rtstatus)); | 
|  | return rtstatus; | 
|  | } | 
|  |  | 
|  | int rtl92s_download_fw(struct ieee80211_hw *hw) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | 
|  | struct rt_firmware *firmware = NULL; | 
|  | struct fw_hdr *pfwheader; | 
|  | struct fw_priv *pfw_priv = NULL; | 
|  | u8 *puc_mappedfile = NULL; | 
|  | u32 ul_filelength = 0; | 
|  | u8 fwhdr_size = RT_8192S_FIRMWARE_HDR_SIZE; | 
|  | u8 fwstatus = FW_STATUS_INIT; | 
|  | bool rtstatus = true; | 
|  |  | 
|  | if (!rtlhal->pfirmware) | 
|  | return 1; | 
|  |  | 
|  | firmware = (struct rt_firmware *)rtlhal->pfirmware; | 
|  | firmware->fwstatus = FW_STATUS_INIT; | 
|  |  | 
|  | puc_mappedfile = firmware->sz_fw_tmpbuffer; | 
|  |  | 
|  | /* 1. Retrieve FW header. */ | 
|  | firmware->pfwheader = (struct fw_hdr *) puc_mappedfile; | 
|  | pfwheader = firmware->pfwheader; | 
|  | firmware->firmwareversion =  byte(pfwheader->version, 0); | 
|  | firmware->pfwheader->fwpriv.hci_sel = 1;/* pcie */ | 
|  |  | 
|  | RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD, ("signature:%x, version:" | 
|  | "%x, size:%x," | 
|  | "imemsize:%x, sram size:%x\n", pfwheader->signature, | 
|  | pfwheader->version, pfwheader->dmem_size, | 
|  | pfwheader->img_imem_size, pfwheader->img_sram_size)); | 
|  |  | 
|  | /* 2. Retrieve IMEM image. */ | 
|  | if ((pfwheader->img_imem_size == 0) || (pfwheader->img_imem_size > | 
|  | sizeof(firmware->fw_imem))) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("memory for data image is less than IMEM required\n")); | 
|  | goto fail; | 
|  | } else { | 
|  | puc_mappedfile += fwhdr_size; | 
|  |  | 
|  | memcpy(firmware->fw_imem, puc_mappedfile, | 
|  | pfwheader->img_imem_size); | 
|  | firmware->fw_imem_len = pfwheader->img_imem_size; | 
|  | } | 
|  |  | 
|  | /* 3. Retriecve EMEM image. */ | 
|  | if (pfwheader->img_sram_size > sizeof(firmware->fw_emem)) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("memory for data image is less than EMEM required\n")); | 
|  | goto fail; | 
|  | } else { | 
|  | puc_mappedfile += firmware->fw_imem_len; | 
|  |  | 
|  | memcpy(firmware->fw_emem, puc_mappedfile, | 
|  | pfwheader->img_sram_size); | 
|  | firmware->fw_emem_len = pfwheader->img_sram_size; | 
|  | } | 
|  |  | 
|  | /* 4. download fw now */ | 
|  | fwstatus = _rtl92s_firmware_get_nextstatus(firmware->fwstatus); | 
|  | while (fwstatus != FW_STATUS_READY) { | 
|  | /* Image buffer redirection. */ | 
|  | switch (fwstatus) { | 
|  | case FW_STATUS_LOAD_IMEM: | 
|  | puc_mappedfile = firmware->fw_imem; | 
|  | ul_filelength = firmware->fw_imem_len; | 
|  | break; | 
|  | case FW_STATUS_LOAD_EMEM: | 
|  | puc_mappedfile = firmware->fw_emem; | 
|  | ul_filelength = firmware->fw_emem_len; | 
|  | break; | 
|  | case FW_STATUS_LOAD_DMEM: | 
|  | /* Partial update the content of header private. */ | 
|  | pfwheader = firmware->pfwheader; | 
|  | pfw_priv = &pfwheader->fwpriv; | 
|  | _rtl92s_firmwareheader_priveupdate(hw, pfw_priv); | 
|  | puc_mappedfile = (u8 *)(firmware->pfwheader) + | 
|  | RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE; | 
|  | ul_filelength = fwhdr_size - | 
|  | RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE; | 
|  | break; | 
|  | default: | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, | 
|  | ("Unexpected Download step!!\n")); | 
|  | goto fail; | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* <2> Download image file */ | 
|  | rtstatus = _rtl92s_firmware_downloadcode(hw, puc_mappedfile, | 
|  | ul_filelength); | 
|  |  | 
|  | if (rtstatus != true) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("fail!\n")); | 
|  | goto fail; | 
|  | } | 
|  |  | 
|  | /* <3> Check whether load FW process is ready */ | 
|  | rtstatus = _rtl92s_firmware_checkready(hw, fwstatus); | 
|  | if (rtstatus != true) { | 
|  | RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, ("fail!\n")); | 
|  | goto fail; | 
|  | } | 
|  |  | 
|  | fwstatus = _rtl92s_firmware_get_nextstatus(firmware->fwstatus); | 
|  | } | 
|  |  | 
|  | return rtstatus; | 
|  | fail: | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static u32 _rtl92s_fill_h2c_cmd(struct sk_buff *skb, u32 h2cbufferlen, | 
|  | u32 cmd_num, u32 *pelement_id, u32 *pcmd_len, | 
|  | u8 **pcmb_buffer, u8 *cmd_start_seq) | 
|  | { | 
|  | u32 totallen = 0, len = 0, tx_desclen = 0; | 
|  | u32 pre_continueoffset = 0; | 
|  | u8 *ph2c_buffer; | 
|  | u8 i = 0; | 
|  |  | 
|  | do { | 
|  | /* 8 - Byte aligment */ | 
|  | len = H2C_TX_CMD_HDR_LEN + N_BYTE_ALIGMENT(pcmd_len[i], 8); | 
|  |  | 
|  | /* Buffer length is not enough */ | 
|  | if (h2cbufferlen < totallen + len + tx_desclen) | 
|  | break; | 
|  |  | 
|  | /* Clear content */ | 
|  | ph2c_buffer = (u8 *)skb_put(skb, (u32)len); | 
|  | memset((ph2c_buffer + totallen + tx_desclen), 0, len); | 
|  |  | 
|  | /* CMD len */ | 
|  | SET_BITS_TO_LE_4BYTE((ph2c_buffer + totallen + tx_desclen), | 
|  | 0, 16, pcmd_len[i]); | 
|  |  | 
|  | /* CMD ID */ | 
|  | SET_BITS_TO_LE_4BYTE((ph2c_buffer + totallen + tx_desclen), | 
|  | 16, 8, pelement_id[i]); | 
|  |  | 
|  | /* CMD Sequence */ | 
|  | *cmd_start_seq = *cmd_start_seq % 0x80; | 
|  | SET_BITS_TO_LE_4BYTE((ph2c_buffer + totallen + tx_desclen), | 
|  | 24, 7, *cmd_start_seq); | 
|  | ++*cmd_start_seq; | 
|  |  | 
|  | /* Copy memory */ | 
|  | memcpy((ph2c_buffer + totallen + tx_desclen + | 
|  | H2C_TX_CMD_HDR_LEN), pcmb_buffer[i], pcmd_len[i]); | 
|  |  | 
|  | /* CMD continue */ | 
|  | /* set the continue in prevoius cmd. */ | 
|  | if (i < cmd_num - 1) | 
|  | SET_BITS_TO_LE_4BYTE((ph2c_buffer + pre_continueoffset), | 
|  | 31, 1, 1); | 
|  |  | 
|  | pre_continueoffset = totallen; | 
|  |  | 
|  | totallen += len; | 
|  | } while (++i < cmd_num); | 
|  |  | 
|  | return totallen; | 
|  | } | 
|  |  | 
|  | static u32 _rtl92s_get_h2c_cmdlen(u32 h2cbufferlen, u32 cmd_num, u32 *pcmd_len) | 
|  | { | 
|  | u32 totallen = 0, len = 0, tx_desclen = 0; | 
|  | u8 i = 0; | 
|  |  | 
|  | do { | 
|  | /* 8 - Byte aligment */ | 
|  | len = H2C_TX_CMD_HDR_LEN + N_BYTE_ALIGMENT(pcmd_len[i], 8); | 
|  |  | 
|  | /* Buffer length is not enough */ | 
|  | if (h2cbufferlen < totallen + len + tx_desclen) | 
|  | break; | 
|  |  | 
|  | totallen += len; | 
|  | } while (++i < cmd_num); | 
|  |  | 
|  | return totallen + tx_desclen; | 
|  | } | 
|  |  | 
|  | static bool _rtl92s_firmware_set_h2c_cmd(struct ieee80211_hw *hw, u8 h2c_cmd, | 
|  | u8 *pcmd_buffer) | 
|  | { | 
|  | struct rtl_priv *rtlpriv = rtl_priv(hw); | 
|  | struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); | 
|  | struct rtl_tcb_desc *cb_desc; | 
|  | struct sk_buff *skb; | 
|  | u32	element_id = 0; | 
|  | u32	cmd_len = 0; | 
|  | u32	len; | 
|  |  | 
|  | switch (h2c_cmd) { | 
|  | case FW_H2C_SETPWRMODE: | 
|  | element_id = H2C_SETPWRMODE_CMD ; | 
|  | cmd_len = sizeof(struct h2c_set_pwrmode_parm); | 
|  | break; | 
|  | case FW_H2C_JOINBSSRPT: | 
|  | element_id = H2C_JOINBSSRPT_CMD; | 
|  | cmd_len = sizeof(struct h2c_joinbss_rpt_parm); | 
|  | break; | 
|  | case FW_H2C_WOWLAN_UPDATE_GTK: | 
|  | element_id = H2C_WOWLAN_UPDATE_GTK_CMD; | 
|  | cmd_len = sizeof(struct h2c_wpa_two_way_parm); | 
|  | break; | 
|  | case FW_H2C_WOWLAN_UPDATE_IV: | 
|  | element_id = H2C_WOWLAN_UPDATE_IV_CMD; | 
|  | cmd_len = sizeof(unsigned long long); | 
|  | break; | 
|  | case FW_H2C_WOWLAN_OFFLOAD: | 
|  | element_id = H2C_WOWLAN_FW_OFFLOAD; | 
|  | cmd_len = sizeof(u8); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | len = _rtl92s_get_h2c_cmdlen(MAX_TRANSMIT_BUFFER_SIZE, 1, &cmd_len); | 
|  | skb = dev_alloc_skb(len); | 
|  | cb_desc = (struct rtl_tcb_desc *)(skb->cb); | 
|  | cb_desc->queue_index = TXCMD_QUEUE; | 
|  | cb_desc->cmd_or_init = DESC_PACKET_TYPE_NORMAL; | 
|  | cb_desc->last_inipkt = false; | 
|  |  | 
|  | _rtl92s_fill_h2c_cmd(skb, MAX_TRANSMIT_BUFFER_SIZE, 1, &element_id, | 
|  | &cmd_len, &pcmd_buffer,	&rtlhal->h2c_txcmd_seq); | 
|  | _rtl92s_cmd_send_packet(hw, skb, false); | 
|  | rtlpriv->cfg->ops->tx_polling(hw, TXCMD_QUEUE); | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  | void rtl92s_set_fw_pwrmode_cmd(struct ieee80211_hw *hw, u8 Mode) | 
|  | { | 
|  | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | 
|  | struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); | 
|  | struct h2c_set_pwrmode_parm	pwrmode; | 
|  | u16 max_wakeup_period = 0; | 
|  |  | 
|  | pwrmode.mode = Mode; | 
|  | pwrmode.flag_low_traffic_en = 0; | 
|  | pwrmode.flag_lpnav_en = 0; | 
|  | pwrmode.flag_rf_low_snr_en = 0; | 
|  | pwrmode.flag_dps_en = 0; | 
|  | pwrmode.bcn_rx_en = 0; | 
|  | pwrmode.bcn_to = 0; | 
|  | SET_BITS_TO_LE_2BYTE((u8 *)(&pwrmode) + 8, 0, 16, | 
|  | mac->vif->bss_conf.beacon_int); | 
|  | pwrmode.app_itv = 0; | 
|  | pwrmode.awake_bcn_itvl = ppsc->reg_max_lps_awakeintvl; | 
|  | pwrmode.smart_ps = 1; | 
|  | pwrmode.bcn_pass_period = 10; | 
|  |  | 
|  | /* Set beacon pass count */ | 
|  | if (pwrmode.mode == FW_PS_MIN_MODE) | 
|  | max_wakeup_period = mac->vif->bss_conf.beacon_int; | 
|  | else if (pwrmode.mode == FW_PS_MAX_MODE) | 
|  | max_wakeup_period = mac->vif->bss_conf.beacon_int * | 
|  | mac->vif->bss_conf.dtim_period; | 
|  |  | 
|  | if (max_wakeup_period >= 500) | 
|  | pwrmode.bcn_pass_cnt = 1; | 
|  | else if ((max_wakeup_period >= 300) && (max_wakeup_period < 500)) | 
|  | pwrmode.bcn_pass_cnt = 2; | 
|  | else if ((max_wakeup_period >= 200) && (max_wakeup_period < 300)) | 
|  | pwrmode.bcn_pass_cnt = 3; | 
|  | else if ((max_wakeup_period >= 20) && (max_wakeup_period < 200)) | 
|  | pwrmode.bcn_pass_cnt = 5; | 
|  | else | 
|  | pwrmode.bcn_pass_cnt = 1; | 
|  |  | 
|  | _rtl92s_firmware_set_h2c_cmd(hw, FW_H2C_SETPWRMODE, (u8 *)&pwrmode); | 
|  |  | 
|  | } | 
|  |  | 
|  | void rtl92s_set_fw_joinbss_report_cmd(struct ieee80211_hw *hw, | 
|  | u8 mstatus, u8 ps_qosinfo) | 
|  | { | 
|  | struct rtl_mac *mac = rtl_mac(rtl_priv(hw)); | 
|  | struct h2c_joinbss_rpt_parm joinbss_rpt; | 
|  |  | 
|  | joinbss_rpt.opmode = mstatus; | 
|  | joinbss_rpt.ps_qos_info = ps_qosinfo; | 
|  | joinbss_rpt.bssid[0] = mac->bssid[0]; | 
|  | joinbss_rpt.bssid[1] = mac->bssid[1]; | 
|  | joinbss_rpt.bssid[2] = mac->bssid[2]; | 
|  | joinbss_rpt.bssid[3] = mac->bssid[3]; | 
|  | joinbss_rpt.bssid[4] = mac->bssid[4]; | 
|  | joinbss_rpt.bssid[5] = mac->bssid[5]; | 
|  | SET_BITS_TO_LE_2BYTE((u8 *)(&joinbss_rpt) + 8, 0, 16, | 
|  | mac->vif->bss_conf.beacon_int); | 
|  | SET_BITS_TO_LE_2BYTE((u8 *)(&joinbss_rpt) + 10, 0, 16, mac->assoc_id); | 
|  |  | 
|  | _rtl92s_firmware_set_h2c_cmd(hw, FW_H2C_JOINBSSRPT, (u8 *)&joinbss_rpt); | 
|  | } | 
|  |  |