636 lines
17 KiB
C
636 lines
17 KiB
C
/******************************************************************************
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*
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* Copyright(c) 2009-2012 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in the
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* file called LICENSE.
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*
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* Contact Information:
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* wlanfae <wlanfae@realtek.com>
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* Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
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* Hsinchu 300, Taiwan.
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*
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* Larry Finger <Larry.Finger@lwfinger.net>
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*
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*****************************************************************************/
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#include "../wifi.h"
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#include "../pci.h"
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#include "../base.h"
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#include "reg.h"
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#include "def.h"
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#include "fw.h"
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static void _rtl92s_fw_set_rqpn(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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rtl_write_dword(rtlpriv, RQPN, 0xffffffff);
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rtl_write_dword(rtlpriv, RQPN + 4, 0xffffffff);
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rtl_write_byte(rtlpriv, RQPN + 8, 0xff);
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rtl_write_byte(rtlpriv, RQPN + 0xB, 0x80);
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}
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static bool _rtl92s_firmware_enable_cpu(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u32 ichecktime = 200;
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u16 tmpu2b;
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u8 tmpu1b, cpustatus = 0;
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_rtl92s_fw_set_rqpn(hw);
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/* Enable CPU. */
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tmpu1b = rtl_read_byte(rtlpriv, SYS_CLKR);
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/* AFE source */
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rtl_write_byte(rtlpriv, SYS_CLKR, (tmpu1b | SYS_CPU_CLKSEL));
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tmpu2b = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
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rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (tmpu2b | FEN_CPUEN));
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/* Polling IMEM Ready after CPU has refilled. */
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do {
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cpustatus = rtl_read_byte(rtlpriv, TCR);
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if (cpustatus & IMEM_RDY) {
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"IMEM Ready after CPU has refilled\n");
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break;
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}
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udelay(100);
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} while (ichecktime--);
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if (!(cpustatus & IMEM_RDY))
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return false;
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return true;
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}
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static enum fw_status _rtl92s_firmware_get_nextstatus(
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enum fw_status fw_currentstatus)
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{
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enum fw_status next_fwstatus = 0;
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switch (fw_currentstatus) {
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case FW_STATUS_INIT:
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next_fwstatus = FW_STATUS_LOAD_IMEM;
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break;
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case FW_STATUS_LOAD_IMEM:
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next_fwstatus = FW_STATUS_LOAD_EMEM;
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break;
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case FW_STATUS_LOAD_EMEM:
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next_fwstatus = FW_STATUS_LOAD_DMEM;
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break;
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case FW_STATUS_LOAD_DMEM:
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next_fwstatus = FW_STATUS_READY;
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break;
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default:
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break;
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}
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return next_fwstatus;
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}
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static u8 _rtl92s_firmware_header_map_rftype(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_phy *rtlphy = &(rtlpriv->phy);
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switch (rtlphy->rf_type) {
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case RF_1T1R:
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return 0x11;
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case RF_1T2R:
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return 0x12;
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case RF_2T2R:
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return 0x22;
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default:
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pr_err("Unknown RF type(%x)\n", rtlphy->rf_type);
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break;
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}
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return 0x22;
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}
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static void _rtl92s_firmwareheader_priveupdate(struct ieee80211_hw *hw,
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struct fw_priv *pfw_priv)
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{
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/* Update RF types for RATR settings. */
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pfw_priv->rf_config = _rtl92s_firmware_header_map_rftype(hw);
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}
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static bool _rtl92s_cmd_send_packet(struct ieee80211_hw *hw,
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struct sk_buff *skb, u8 last)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
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struct rtl8192_tx_ring *ring;
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struct rtl_tx_desc *pdesc;
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unsigned long flags;
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u8 idx = 0;
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ring = &rtlpci->tx_ring[TXCMD_QUEUE];
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spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
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idx = (ring->idx + skb_queue_len(&ring->queue)) % ring->entries;
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pdesc = &ring->desc[idx];
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rtlpriv->cfg->ops->fill_tx_cmddesc(hw, (u8 *)pdesc, 1, 1, skb);
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__skb_queue_tail(&ring->queue, skb);
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spin_unlock_irqrestore(&rtlpriv->locks.irq_th_lock, flags);
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return true;
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}
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static bool _rtl92s_firmware_downloadcode(struct ieee80211_hw *hw,
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u8 *code_virtual_address, u32 buffer_len)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct sk_buff *skb;
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struct rtl_tcb_desc *tcb_desc;
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unsigned char *seg_ptr;
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u16 frag_threshold = MAX_FIRMWARE_CODE_SIZE;
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u16 frag_length, frag_offset = 0;
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u16 extra_descoffset = 0;
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u8 last_inipkt = 0;
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_rtl92s_fw_set_rqpn(hw);
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if (buffer_len >= MAX_FIRMWARE_CODE_SIZE) {
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pr_err("Size over FIRMWARE_CODE_SIZE!\n");
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return false;
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}
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extra_descoffset = 0;
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do {
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if ((buffer_len - frag_offset) > frag_threshold) {
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frag_length = frag_threshold + extra_descoffset;
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} else {
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frag_length = (u16)(buffer_len - frag_offset +
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extra_descoffset);
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last_inipkt = 1;
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}
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/* Allocate skb buffer to contain firmware */
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/* info and tx descriptor info. */
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skb = dev_alloc_skb(frag_length);
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if (!skb)
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return false;
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skb_reserve(skb, extra_descoffset);
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seg_ptr = skb_put_data(skb,
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code_virtual_address + frag_offset,
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(u32)(frag_length - extra_descoffset));
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tcb_desc = (struct rtl_tcb_desc *)(skb->cb);
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tcb_desc->queue_index = TXCMD_QUEUE;
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tcb_desc->cmd_or_init = DESC_PACKET_TYPE_INIT;
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tcb_desc->last_inipkt = last_inipkt;
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_rtl92s_cmd_send_packet(hw, skb, last_inipkt);
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frag_offset += (frag_length - extra_descoffset);
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} while (frag_offset < buffer_len);
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rtl_write_byte(rtlpriv, TP_POLL, TPPOLL_CQ);
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return true ;
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}
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static bool _rtl92s_firmware_checkready(struct ieee80211_hw *hw,
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u8 loadfw_status)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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struct rt_firmware *firmware = (struct rt_firmware *)rtlhal->pfirmware;
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u32 tmpu4b;
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u8 cpustatus = 0;
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short pollingcnt = 1000;
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bool rtstatus = true;
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"LoadStaus(%d)\n", loadfw_status);
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firmware->fwstatus = (enum fw_status)loadfw_status;
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switch (loadfw_status) {
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case FW_STATUS_LOAD_IMEM:
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/* Polling IMEM code done. */
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do {
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cpustatus = rtl_read_byte(rtlpriv, TCR);
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if (cpustatus & IMEM_CODE_DONE)
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break;
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udelay(5);
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} while (pollingcnt--);
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if (!(cpustatus & IMEM_CHK_RPT) || (pollingcnt <= 0)) {
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pr_err("FW_STATUS_LOAD_IMEM FAIL CPU, Status=%x\n",
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cpustatus);
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goto status_check_fail;
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}
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break;
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case FW_STATUS_LOAD_EMEM:
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/* Check Put Code OK and Turn On CPU */
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/* Polling EMEM code done. */
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do {
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cpustatus = rtl_read_byte(rtlpriv, TCR);
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if (cpustatus & EMEM_CODE_DONE)
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break;
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udelay(5);
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} while (pollingcnt--);
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if (!(cpustatus & EMEM_CHK_RPT) || (pollingcnt <= 0)) {
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pr_err("FW_STATUS_LOAD_EMEM FAIL CPU, Status=%x\n",
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cpustatus);
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goto status_check_fail;
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}
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/* Turn On CPU */
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rtstatus = _rtl92s_firmware_enable_cpu(hw);
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if (!rtstatus) {
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pr_err("Enable CPU fail!\n");
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goto status_check_fail;
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}
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break;
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case FW_STATUS_LOAD_DMEM:
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/* Polling DMEM code done */
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do {
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cpustatus = rtl_read_byte(rtlpriv, TCR);
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if (cpustatus & DMEM_CODE_DONE)
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break;
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udelay(5);
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} while (pollingcnt--);
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if (!(cpustatus & DMEM_CODE_DONE) || (pollingcnt <= 0)) {
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pr_err("Polling DMEM code done fail ! cpustatus(%#x)\n",
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cpustatus);
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goto status_check_fail;
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}
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"DMEM code download success, cpustatus(%#x)\n",
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cpustatus);
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/* Prevent Delay too much and being scheduled out */
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/* Polling Load Firmware ready */
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pollingcnt = 2000;
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do {
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cpustatus = rtl_read_byte(rtlpriv, TCR);
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if (cpustatus & FWRDY)
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break;
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udelay(40);
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} while (pollingcnt--);
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"Polling Load Firmware ready, cpustatus(%x)\n",
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cpustatus);
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if (((cpustatus & LOAD_FW_READY) != LOAD_FW_READY) ||
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(pollingcnt <= 0)) {
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pr_err("Polling Load Firmware ready fail ! cpustatus(%x)\n",
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cpustatus);
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goto status_check_fail;
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}
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/* If right here, we can set TCR/RCR to desired value */
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/* and config MAC lookback mode to normal mode */
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tmpu4b = rtl_read_dword(rtlpriv, TCR);
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rtl_write_dword(rtlpriv, TCR, (tmpu4b & (~TCR_ICV)));
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tmpu4b = rtl_read_dword(rtlpriv, RCR);
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rtl_write_dword(rtlpriv, RCR, (tmpu4b | RCR_APPFCS |
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RCR_APP_ICV | RCR_APP_MIC));
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"Current RCR settings(%#x)\n", tmpu4b);
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/* Set to normal mode. */
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rtl_write_byte(rtlpriv, LBKMD_SEL, LBK_NORMAL);
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break;
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default:
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pr_err("Unknown status check!\n");
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rtstatus = false;
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break;
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}
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status_check_fail:
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"loadfw_status(%d), rtstatus(%x)\n",
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loadfw_status, rtstatus);
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return rtstatus;
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}
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int rtl92s_download_fw(struct ieee80211_hw *hw)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
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struct rt_firmware *firmware = NULL;
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struct fw_hdr *pfwheader;
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struct fw_priv *pfw_priv = NULL;
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u8 *puc_mappedfile = NULL;
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u32 ul_filelength = 0;
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u8 fwhdr_size = RT_8192S_FIRMWARE_HDR_SIZE;
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u8 fwstatus = FW_STATUS_INIT;
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bool rtstatus = true;
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if (rtlpriv->max_fw_size == 0 || !rtlhal->pfirmware)
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return 1;
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firmware = (struct rt_firmware *)rtlhal->pfirmware;
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firmware->fwstatus = FW_STATUS_INIT;
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puc_mappedfile = firmware->sz_fw_tmpbuffer;
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/* 1. Retrieve FW header. */
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firmware->pfwheader = (struct fw_hdr *) puc_mappedfile;
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pfwheader = firmware->pfwheader;
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firmware->firmwareversion = byte(pfwheader->version, 0);
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firmware->pfwheader->fwpriv.hci_sel = 1;/* pcie */
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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"signature:%x, version:%x, size:%x, imemsize:%x, sram size:%x\n",
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pfwheader->signature,
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pfwheader->version, pfwheader->dmem_size,
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pfwheader->img_imem_size, pfwheader->img_sram_size);
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/* 2. Retrieve IMEM image. */
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if ((pfwheader->img_imem_size == 0) || (pfwheader->img_imem_size >
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sizeof(firmware->fw_imem))) {
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pr_err("memory for data image is less than IMEM required\n");
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goto fail;
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} else {
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puc_mappedfile += fwhdr_size;
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memcpy(firmware->fw_imem, puc_mappedfile,
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pfwheader->img_imem_size);
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firmware->fw_imem_len = pfwheader->img_imem_size;
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}
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/* 3. Retriecve EMEM image. */
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if (pfwheader->img_sram_size > sizeof(firmware->fw_emem)) {
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pr_err("memory for data image is less than EMEM required\n");
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goto fail;
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} else {
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puc_mappedfile += firmware->fw_imem_len;
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memcpy(firmware->fw_emem, puc_mappedfile,
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pfwheader->img_sram_size);
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firmware->fw_emem_len = pfwheader->img_sram_size;
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}
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/* 4. download fw now */
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fwstatus = _rtl92s_firmware_get_nextstatus(firmware->fwstatus);
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while (fwstatus != FW_STATUS_READY) {
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/* Image buffer redirection. */
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switch (fwstatus) {
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case FW_STATUS_LOAD_IMEM:
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puc_mappedfile = firmware->fw_imem;
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ul_filelength = firmware->fw_imem_len;
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break;
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case FW_STATUS_LOAD_EMEM:
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puc_mappedfile = firmware->fw_emem;
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ul_filelength = firmware->fw_emem_len;
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break;
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case FW_STATUS_LOAD_DMEM:
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/* Partial update the content of header private. */
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pfwheader = firmware->pfwheader;
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pfw_priv = &pfwheader->fwpriv;
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_rtl92s_firmwareheader_priveupdate(hw, pfw_priv);
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puc_mappedfile = (u8 *)(firmware->pfwheader) +
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RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
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ul_filelength = fwhdr_size -
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RT_8192S_FIRMWARE_HDR_EXCLUDE_PRI_SIZE;
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break;
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default:
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pr_err("Unexpected Download step!!\n");
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goto fail;
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}
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/* <2> Download image file */
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rtstatus = _rtl92s_firmware_downloadcode(hw, puc_mappedfile,
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ul_filelength);
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if (!rtstatus) {
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pr_err("fail!\n");
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goto fail;
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}
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/* <3> Check whether load FW process is ready */
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rtstatus = _rtl92s_firmware_checkready(hw, fwstatus);
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if (!rtstatus) {
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pr_err("rtl8192se: firmware fail!\n");
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goto fail;
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}
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fwstatus = _rtl92s_firmware_get_nextstatus(firmware->fwstatus);
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}
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return rtstatus;
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fail:
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return 0;
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}
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static u32 _rtl92s_fill_h2c_cmd(struct sk_buff *skb, u32 h2cbufferlen,
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u32 cmd_num, u32 *pelement_id, u32 *pcmd_len,
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u8 **pcmb_buffer, u8 *cmd_start_seq)
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{
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u32 totallen = 0, len = 0, tx_desclen = 0;
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u32 pre_continueoffset = 0;
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u8 *ph2c_buffer;
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u8 i = 0;
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do {
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/* 8 - Byte alignment */
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len = H2C_TX_CMD_HDR_LEN + N_BYTE_ALIGMENT(pcmd_len[i], 8);
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/* Buffer length is not enough */
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if (h2cbufferlen < totallen + len + tx_desclen)
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break;
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/* Clear content */
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ph2c_buffer = skb_put(skb, (u32)len);
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memset((ph2c_buffer + totallen + tx_desclen), 0, len);
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/* CMD len */
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SET_BITS_TO_LE_4BYTE((ph2c_buffer + totallen + tx_desclen),
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0, 16, pcmd_len[i]);
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/* CMD ID */
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SET_BITS_TO_LE_4BYTE((ph2c_buffer + totallen + tx_desclen),
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16, 8, pelement_id[i]);
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/* CMD Sequence */
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*cmd_start_seq = *cmd_start_seq % 0x80;
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SET_BITS_TO_LE_4BYTE((ph2c_buffer + totallen + tx_desclen),
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24, 7, *cmd_start_seq);
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++*cmd_start_seq;
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/* Copy memory */
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memcpy((ph2c_buffer + totallen + tx_desclen +
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H2C_TX_CMD_HDR_LEN), pcmb_buffer[i], pcmd_len[i]);
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/* CMD continue */
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/* set the continue in prevoius cmd. */
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if (i < cmd_num - 1)
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SET_BITS_TO_LE_4BYTE((ph2c_buffer + pre_continueoffset),
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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 alignment */
|
|
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);
|
|
if (!skb)
|
|
return false;
|
|
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);
|
|
}
|
|
|