+++ /dev/null
-/******************************************************************************
- *
- * 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 rtl8723e_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 rtl8723e_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 rtl8723e_firmware_header));
-
- pfwdata = pfwdata + sizeof(struct rtl8723e_firmware_header);
- fwsize = fwsize - sizeof(struct rtl8723e_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);
Code Review / kvmfornfv.git / blobdiff