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