340 lines
9.0 KiB
C
340 lines
9.0 KiB
C
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/******************************************************************************
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*
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* Copyright(c) 2009-2014 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 "fw_common.h"
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#include <linux/module.h>
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void rtl8723_enable_fw_download(struct ieee80211_hw *hw, bool enable)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 tmp;
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if (enable) {
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tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
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rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1,
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tmp | 0x04);
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tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL);
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rtl_write_byte(rtlpriv, REG_MCUFWDL, tmp | 0x01);
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tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL + 2);
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rtl_write_byte(rtlpriv, REG_MCUFWDL + 2, tmp & 0xf7);
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} else {
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tmp = rtl_read_byte(rtlpriv, REG_MCUFWDL);
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rtl_write_byte(rtlpriv, REG_MCUFWDL, tmp & 0xfe);
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rtl_write_byte(rtlpriv, REG_MCUFWDL + 1, 0x00);
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}
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}
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EXPORT_SYMBOL_GPL(rtl8723_enable_fw_download);
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void rtl8723_fw_block_write(struct ieee80211_hw *hw,
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const u8 *buffer, u32 size)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u32 blocksize = sizeof(u32);
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u8 *bufferptr = (u8 *)buffer;
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u32 *pu4byteptr = (u32 *)buffer;
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u32 i, offset, blockcount, remainsize;
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blockcount = size / blocksize;
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remainsize = size % blocksize;
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for (i = 0; i < blockcount; i++) {
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offset = i * blocksize;
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rtl_write_dword(rtlpriv, (FW_8192C_START_ADDRESS + offset),
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*(pu4byteptr + i));
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}
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if (remainsize) {
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offset = blockcount * blocksize;
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bufferptr += offset;
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for (i = 0; i < remainsize; i++) {
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rtl_write_byte(rtlpriv,
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(FW_8192C_START_ADDRESS + offset + i),
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*(bufferptr + i));
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}
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}
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}
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EXPORT_SYMBOL_GPL(rtl8723_fw_block_write);
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void rtl8723_fw_page_write(struct ieee80211_hw *hw,
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u32 page, const u8 *buffer, u32 size)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 value8;
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u8 u8page = (u8) (page & 0x07);
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value8 = (rtl_read_byte(rtlpriv, REG_MCUFWDL + 2) & 0xF8) | u8page;
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rtl_write_byte(rtlpriv, (REG_MCUFWDL + 2), value8);
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rtl8723_fw_block_write(hw, buffer, size);
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}
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EXPORT_SYMBOL_GPL(rtl8723_fw_page_write);
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void rtl8723_fill_dummy(u8 *pfwbuf, u32 *pfwlen)
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{
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u32 fwlen = *pfwlen;
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u8 remain = (u8) (fwlen % 4);
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remain = (remain == 0) ? 0 : (4 - remain);
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while (remain > 0) {
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pfwbuf[fwlen] = 0;
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fwlen++;
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remain--;
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}
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*pfwlen = fwlen;
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}
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EXPORT_SYMBOL(rtl8723_fill_dummy);
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void rtl8723_write_fw(struct ieee80211_hw *hw,
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enum version_8723e version,
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u8 *buffer, u32 size, u8 max_page)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u8 *bufferptr = buffer;
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u32 page_nums, remain_size;
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u32 page, offset;
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, "FW size is %d bytes,\n", size);
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rtl8723_fill_dummy(bufferptr, &size);
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page_nums = size / FW_8192C_PAGE_SIZE;
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remain_size = size % FW_8192C_PAGE_SIZE;
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if (page_nums > max_page) {
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RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
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"Page numbers should not greater than %d\n", max_page);
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}
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for (page = 0; page < page_nums; page++) {
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offset = page * FW_8192C_PAGE_SIZE;
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rtl8723_fw_page_write(hw, page, (bufferptr + offset),
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FW_8192C_PAGE_SIZE);
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}
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if (remain_size) {
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offset = page_nums * FW_8192C_PAGE_SIZE;
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page = page_nums;
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rtl8723_fw_page_write(hw, page, (bufferptr + offset),
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remain_size);
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}
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE, "FW write done.\n");
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}
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EXPORT_SYMBOL_GPL(rtl8723_write_fw);
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void rtl8723ae_firmware_selfreset(struct ieee80211_hw *hw)
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{
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u8 u1b_tmp;
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u8 delay = 100;
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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rtl_write_byte(rtlpriv, REG_HMETFR + 3, 0x20);
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u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
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while (u1b_tmp & BIT(2)) {
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delay--;
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if (delay == 0)
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break;
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udelay(50);
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u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
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}
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if (delay == 0) {
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u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
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rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1,
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u1b_tmp&(~BIT(2)));
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}
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}
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EXPORT_SYMBOL_GPL(rtl8723ae_firmware_selfreset);
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void rtl8723be_firmware_selfreset(struct ieee80211_hw *hw)
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{
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u8 u1b_tmp;
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1);
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rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp & (~BIT(0))));
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u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
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rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, (u1b_tmp & (~BIT(2))));
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udelay(50);
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u1b_tmp = rtl_read_byte(rtlpriv, REG_RSV_CTRL + 1);
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rtl_write_byte(rtlpriv, REG_RSV_CTRL + 1, (u1b_tmp | BIT(0)));
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u1b_tmp = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
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rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, (u1b_tmp | BIT(2)));
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RT_TRACE(rtlpriv, COMP_INIT, DBG_LOUD,
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" _8051Reset8723be(): 8051 reset success .\n");
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}
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EXPORT_SYMBOL_GPL(rtl8723be_firmware_selfreset);
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int rtl8723_fw_free_to_go(struct ieee80211_hw *hw, bool is_8723be,
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int max_count)
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{
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struct rtl_priv *rtlpriv = rtl_priv(hw);
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int err = -EIO;
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u32 counter = 0;
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u32 value32;
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do {
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value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL);
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} while ((counter++ < max_count) &&
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(!(value32 & FWDL_CHKSUM_RPT)));
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if (counter >= max_count) {
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RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
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"chksum report fail ! REG_MCUFWDL:0x%08x .\n",
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value32);
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goto exit;
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}
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
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"Checksum report OK ! REG_MCUFWDL:0x%08x .\n", value32);
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value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL) | MCUFWDL_RDY;
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value32 &= ~WINTINI_RDY;
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rtl_write_dword(rtlpriv, REG_MCUFWDL, value32);
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if (is_8723be)
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rtl8723be_firmware_selfreset(hw);
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counter = 0;
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do {
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value32 = rtl_read_dword(rtlpriv, REG_MCUFWDL);
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if (value32 & WINTINI_RDY) {
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
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"Polling FW ready success!! REG_MCUFWDL:0x%08x .\n",
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value32);
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err = 0;
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goto exit;
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}
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mdelay(FW_8192C_POLLING_DELAY);
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} while (counter++ < max_count);
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RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
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"Polling FW ready fail!! REG_MCUFWDL:0x%08x .\n",
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value32);
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exit:
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return err;
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}
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EXPORT_SYMBOL_GPL(rtl8723_fw_free_to_go);
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int rtl8723_download_fw(struct ieee80211_hw *hw,
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bool is_8723be, int max_count)
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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 rtl8723e_firmware_header *pfwheader;
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u8 *pfwdata;
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u32 fwsize;
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int err;
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enum version_8723e version = rtlhal->version;
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int max_page;
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if (!rtlhal->pfirmware)
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return 1;
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pfwheader = (struct rtl8723e_firmware_header *)rtlhal->pfirmware;
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pfwdata = rtlhal->pfirmware;
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fwsize = rtlhal->fwsize;
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if (!is_8723be)
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max_page = 6;
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else
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max_page = 8;
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if (rtlpriv->cfg->ops->is_fw_header(pfwheader)) {
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RT_TRACE(rtlpriv, COMP_FW, DBG_LOUD,
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"Firmware Version(%d), Signature(%#x), Size(%d)\n",
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pfwheader->version, pfwheader->signature,
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(int)sizeof(struct rtl8723e_firmware_header));
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pfwdata = pfwdata + sizeof(struct rtl8723e_firmware_header);
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fwsize = fwsize - sizeof(struct rtl8723e_firmware_header);
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}
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if (rtl_read_byte(rtlpriv, REG_MCUFWDL)&BIT(7)) {
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if (is_8723be)
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rtl8723be_firmware_selfreset(hw);
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else
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rtl8723ae_firmware_selfreset(hw);
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rtl_write_byte(rtlpriv, REG_MCUFWDL, 0x00);
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}
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rtl8723_enable_fw_download(hw, true);
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rtl8723_write_fw(hw, version, pfwdata, fwsize, max_page);
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rtl8723_enable_fw_download(hw, false);
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err = rtl8723_fw_free_to_go(hw, is_8723be, max_count);
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if (err) {
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RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
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"Firmware is not ready to run!\n");
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} else {
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RT_TRACE(rtlpriv, COMP_FW, DBG_TRACE,
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"Firmware is ready to run!\n");
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(rtl8723_download_fw);
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bool rtl8723_cmd_send_packet(struct ieee80211_hw *hw,
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struct sk_buff *skb)
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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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struct sk_buff *pskb = NULL;
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u8 own;
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unsigned long flags;
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ring = &rtlpci->tx_ring[BEACON_QUEUE];
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pskb = __skb_dequeue(&ring->queue);
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if (pskb)
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kfree_skb(pskb);
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spin_lock_irqsave(&rtlpriv->locks.irq_th_lock, flags);
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pdesc = &ring->desc[0];
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own = (u8) rtlpriv->cfg->ops->get_desc((u8 *)pdesc, true, HW_DESC_OWN);
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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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rtlpriv->cfg->ops->tx_polling(hw, BEACON_QUEUE);
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return true;
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}
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EXPORT_SYMBOL_GPL(rtl8723_cmd_send_packet);
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