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linux/drivers/net/wireless/rtlwifi/efuse.c
Larry Finger 5c69177df4 rtlwifi: rtl8188ee: Enable recognition of RTL8188EE 
These patches modify the common probe routine to recognize the RTL8188EE
chip and implement asynchronous firmware reading in the callback routine
to initialize the sw variables.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: jcheung@suse.com
Cc: machen@suse.com
Cc: mmarek@suse.cz
Cc: zhiyuan_yang@realsil.com.cn
Cc: page_he@realsil.com.cn
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-04-01 16:20:54 -04:00

1238 lines
33 KiB
C
Raw Blame History

/******************************************************************************
*
* Copyright(c) 2009-2012 Realtek Corporation.
*
* Tmis 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.
*
* Tmis 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
* tmis program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* Tme 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 <linux/export.h>
#include "wifi.h"
#include "efuse.h"
static const u8 MAX_PGPKT_SIZE = 9;
static const u8 PGPKT_DATA_SIZE = 8;
static const int EFUSE_MAX_SIZE = 512;
static const struct efuse_map RTL8712_SDIO_EFUSE_TABLE[] = {
{0, 0, 0, 2},
{0, 1, 0, 2},
{0, 2, 0, 2},
{1, 0, 0, 1},
{1, 0, 1, 1},
{1, 1, 0, 1},
{1, 1, 1, 3},
{1, 3, 0, 17},
{3, 3, 1, 48},
{10, 0, 0, 6},
{10, 3, 0, 1},
{10, 3, 1, 1},
{11, 0, 0, 28}
};
static void efuse_shadow_read_1byte(struct ieee80211_hw *hw, u16 offset,
u8 *value);
static void efuse_shadow_read_2byte(struct ieee80211_hw *hw, u16 offset,
u16 *value);
static void efuse_shadow_read_4byte(struct ieee80211_hw *hw, u16 offset,
u32 *value);
static void efuse_shadow_write_1byte(struct ieee80211_hw *hw, u16 offset,
u8 value);
static void efuse_shadow_write_2byte(struct ieee80211_hw *hw, u16 offset,
u16 value);
static void efuse_shadow_write_4byte(struct ieee80211_hw *hw, u16 offset,
u32 value);
static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr,
u8 *data);
static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr,
u8 data);
static void efuse_read_all_map(struct ieee80211_hw *hw, u8 *efuse);
static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset,
u8 *data);
static int efuse_pg_packet_write(struct ieee80211_hw *hw, u8 offset,
u8 word_en, u8 *data);
static void efuse_word_enable_data_read(u8 word_en, u8 *sourdata,
u8 *targetdata);
static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
u16 efuse_addr, u8 word_en, u8 *data);
static void efuse_power_switch(struct ieee80211_hw *hw, u8 write,
u8 pwrstate);
static u16 efuse_get_current_size(struct ieee80211_hw *hw);
static u8 efuse_calculate_word_cnts(u8 word_en);
void efuse_initialize(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 bytetemp;
u8 temp;
bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1);
temp = bytetemp | 0x20;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_FUNC_EN] + 1, temp);
bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1);
temp = bytetemp & 0xFE;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[SYS_ISO_CTRL] + 1, temp);
bytetemp = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3);
temp = bytetemp | 0x80;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_TEST] + 3, temp);
rtl_write_byte(rtlpriv, 0x2F8, 0x3);
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
}
u8 efuse_read_1byte(struct ieee80211_hw *hw, u16 address)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 data;
u8 bytetemp;
u8 temp;
u32 k = 0;
const u32 efuse_len =
rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
if (address < efuse_len) {
temp = address & 0xFF;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
temp);
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
temp);
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
temp = bytetemp & 0x7F;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
temp);
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
while (!(bytetemp & 0x80)) {
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->
maps[EFUSE_CTRL] + 3);
k++;
if (k == 1000) {
k = 0;
break;
}
}
data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
return data;
} else
return 0xFF;
}
EXPORT_SYMBOL(efuse_read_1byte);
void efuse_write_1byte(struct ieee80211_hw *hw, u16 address, u8 value)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 bytetemp;
u8 temp;
u32 k = 0;
const u32 efuse_len =
rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr=%x Data =%x\n",
address, value);
if (address < efuse_len) {
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], value);
temp = address & 0xFF;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
temp);
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
temp = ((address >> 8) & 0x03) | (bytetemp & 0xFC);
rtl_write_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 2, temp);
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
temp = bytetemp | 0x80;
rtl_write_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3, temp);
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
while (bytetemp & 0x80) {
bytetemp = rtl_read_byte(rtlpriv,
rtlpriv->cfg->
maps[EFUSE_CTRL] + 3);
k++;
if (k == 100) {
k = 0;
break;
}
}
}
}
void read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, u8 *pbuf)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u32 value32;
u8 readbyte;
u16 retry;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
(_offset & 0xff));
readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2);
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
((_offset >> 8) & 0x03) | (readbyte & 0xfc));
readbyte = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3);
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3,
(readbyte & 0x7f));
retry = 0;
value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
while (!(((value32 >> 24) & 0xff) & 0x80) && (retry < 10000)) {
value32 = rtl_read_dword(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL]);
retry++;
}
udelay(50);
value32 = rtl_read_dword(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
*pbuf = (u8) (value32 & 0xff);
}
void read_efuse(struct ieee80211_hw *hw, u16 _offset, u16 _size_byte, u8 *pbuf)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
u8 *efuse_tbl;
u8 rtemp8[1];
u16 efuse_addr = 0;
u8 offset, wren;
u8 u1temp = 0;
u16 i;
u16 j;
const u16 efuse_max_section =
rtlpriv->cfg->maps[EFUSE_MAX_SECTION_MAP];
const u32 efuse_len =
rtlpriv->cfg->maps[EFUSE_REAL_CONTENT_SIZE];
u16 **efuse_word;
u16 efuse_utilized = 0;
u8 efuse_usage;
if ((_offset + _size_byte) > rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]) {
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
"read_efuse(): Invalid offset(%#x) with read bytes(%#x)!!\n",
_offset, _size_byte);
return;
}
/* allocate memory for efuse_tbl and efuse_word */
efuse_tbl = kmalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] *
sizeof(u8), GFP_ATOMIC);
if (!efuse_tbl)
return;
efuse_word = kmalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC);
if (!efuse_word)
goto done;
for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
efuse_word[i] = kmalloc(efuse_max_section * sizeof(u16),
GFP_ATOMIC);
if (!efuse_word[i])
goto done;
}
for (i = 0; i < efuse_max_section; i++)
for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++)
efuse_word[j][i] = 0xFFFF;
read_efuse_byte(hw, efuse_addr, rtemp8);
if (*rtemp8 != 0xFF) {
efuse_utilized++;
RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
"Addr=%d\n", efuse_addr);
efuse_addr++;
}
while ((*rtemp8 != 0xFF) && (efuse_addr < efuse_len)) {
/* Check PG header for section num. */
if ((*rtemp8 & 0x1F) == 0x0F) {/* extended header */
u1temp = ((*rtemp8 & 0xE0) >> 5);
read_efuse_byte(hw, efuse_addr, rtemp8);
if ((*rtemp8 & 0x0F) == 0x0F) {
efuse_addr++;
read_efuse_byte(hw, efuse_addr, rtemp8);
if (*rtemp8 != 0xFF &&
(efuse_addr < efuse_len)) {
efuse_addr++;
}
continue;
} else {
offset = ((*rtemp8 & 0xF0) >> 1) | u1temp;
wren = (*rtemp8 & 0x0F);
efuse_addr++;
}
} else {
offset = ((*rtemp8 >> 4) & 0x0f);
wren = (*rtemp8 & 0x0f);
}
if (offset < efuse_max_section) {
RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
"offset-%d Worden=%x\n", offset, wren);
for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) {
if (!(wren & 0x01)) {
RTPRINT(rtlpriv, FEEPROM,
EFUSE_READ_ALL,
"Addr=%d\n", efuse_addr);
read_efuse_byte(hw, efuse_addr, rtemp8);
efuse_addr++;
efuse_utilized++;
efuse_word[i][offset] =
(*rtemp8 & 0xff);
if (efuse_addr >= efuse_len)
break;
RTPRINT(rtlpriv, FEEPROM,
EFUSE_READ_ALL,
"Addr=%d\n", efuse_addr);
read_efuse_byte(hw, efuse_addr, rtemp8);
efuse_addr++;
efuse_utilized++;
efuse_word[i][offset] |=
(((u16)*rtemp8 << 8) & 0xff00);
if (efuse_addr >= efuse_len)
break;
}
wren >>= 1;
}
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_READ_ALL,
"Addr=%d\n", efuse_addr);
read_efuse_byte(hw, efuse_addr, rtemp8);
if (*rtemp8 != 0xFF && (efuse_addr < efuse_len)) {
efuse_utilized++;
efuse_addr++;
}
}
for (i = 0; i < efuse_max_section; i++) {
for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) {
efuse_tbl[(i * 8) + (j * 2)] =
(efuse_word[j][i] & 0xff);
efuse_tbl[(i * 8) + ((j * 2) + 1)] =
((efuse_word[j][i] >> 8) & 0xff);
}
}
for (i = 0; i < _size_byte; i++)
pbuf[i] = efuse_tbl[_offset + i];
rtlefuse->efuse_usedbytes = efuse_utilized;
efuse_usage = (u8) ((efuse_utilized * 100) / efuse_len);
rtlefuse->efuse_usedpercentage = efuse_usage;
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_BYTES,
(u8 *)&efuse_utilized);
rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_EFUSE_USAGE,
&efuse_usage);
done:
for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++)
kfree(efuse_word[i]);
kfree(efuse_word);
kfree(efuse_tbl);
}
bool efuse_shadow_update_chk(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
u8 section_idx, i, Base;
u16 words_need = 0, hdr_num = 0, totalbytes, efuse_used;
bool wordchanged, result = true;
for (section_idx = 0; section_idx < 16; section_idx++) {
Base = section_idx * 8;
wordchanged = false;
for (i = 0; i < 8; i = i + 2) {
if ((rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i] !=
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i]) ||
(rtlefuse->efuse_map[EFUSE_INIT_MAP][Base + i + 1] !=
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][Base + i +
1])) {
words_need++;
wordchanged = true;
}
}
if (wordchanged)
hdr_num++;
}
totalbytes = hdr_num + words_need * 2;
efuse_used = rtlefuse->efuse_usedbytes;
if ((totalbytes + efuse_used) >=
(EFUSE_MAX_SIZE -
rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))
result = false;
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
"efuse_shadow_update_chk(): totalbytes(%#x), hdr_num(%#x), words_need(%#x), efuse_used(%d)\n",
totalbytes, hdr_num, words_need, efuse_used);
return result;
}
void efuse_shadow_read(struct ieee80211_hw *hw, u8 type,
u16 offset, u32 *value)
{
if (type == 1)
efuse_shadow_read_1byte(hw, offset, (u8 *) value);
else if (type == 2)
efuse_shadow_read_2byte(hw, offset, (u16 *) value);
else if (type == 4)
efuse_shadow_read_4byte(hw, offset, value);
}
void efuse_shadow_write(struct ieee80211_hw *hw, u8 type, u16 offset,
u32 value)
{
if (type == 1)
efuse_shadow_write_1byte(hw, offset, (u8) value);
else if (type == 2)
efuse_shadow_write_2byte(hw, offset, (u16) value);
else if (type == 4)
efuse_shadow_write_4byte(hw, offset, value);
}
bool efuse_shadow_update(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
u16 i, offset, base;
u8 word_en = 0x0F;
u8 first_pg = false;
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "--->\n");
if (!efuse_shadow_update_chk(hw)) {
efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
"<---efuse out of capacity!!\n");
return false;
}
efuse_power_switch(hw, true, true);
for (offset = 0; offset < 16; offset++) {
word_en = 0x0F;
base = offset * 8;
for (i = 0; i < 8; i++) {
if (first_pg) {
word_en &= ~(BIT(i / 2));
rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
} else {
if (rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] !=
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i]) {
word_en &= ~(BIT(i / 2));
rtlefuse->efuse_map[EFUSE_INIT_MAP][base + i] =
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base + i];
}
}
}
if (word_en != 0x0F) {
u8 tmpdata[8];
memcpy(tmpdata,
&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][base],
8);
RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD,
"U-efuse", tmpdata, 8);
if (!efuse_pg_packet_write(hw, (u8) offset, word_en,
tmpdata)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_WARNING,
"PG section(%#x) fail!!\n", offset);
break;
}
}
}
efuse_power_switch(hw, true, false);
efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "<---\n");
return true;
}
void rtl_efuse_shadow_map_update(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
if (rtlefuse->autoload_failflag)
memset(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0], 0xFF,
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
else
efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]);
memcpy(&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0],
&rtlefuse->efuse_map[EFUSE_INIT_MAP][0],
rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE]);
}
EXPORT_SYMBOL(rtl_efuse_shadow_map_update);
void efuse_force_write_vendor_Id(struct ieee80211_hw *hw)
{
u8 tmpdata[8] = { 0xFF, 0xFF, 0xEC, 0x10, 0xFF, 0xFF, 0xFF, 0xFF };
efuse_power_switch(hw, true, true);
efuse_pg_packet_write(hw, 1, 0xD, tmpdata);
efuse_power_switch(hw, true, false);
}
void efuse_re_pg_section(struct ieee80211_hw *hw, u8 section_idx)
{
}
static void efuse_shadow_read_1byte(struct ieee80211_hw *hw,
u16 offset, u8 *value)
{
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
*value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
}
static void efuse_shadow_read_2byte(struct ieee80211_hw *hw,
u16 offset, u16 *value)
{
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
*value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
*value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
}
static void efuse_shadow_read_4byte(struct ieee80211_hw *hw,
u16 offset, u32 *value)
{
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
*value = rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset];
*value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] << 8;
*value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] << 16;
*value |= rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] << 24;
}
static void efuse_shadow_write_1byte(struct ieee80211_hw *hw,
u16 offset, u8 value)
{
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value;
}
static void efuse_shadow_write_2byte(struct ieee80211_hw *hw,
u16 offset, u16 value)
{
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] = value & 0x00FF;
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] = value >> 8;
}
static void efuse_shadow_write_4byte(struct ieee80211_hw *hw,
u16 offset, u32 value)
{
struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset] =
(u8) (value & 0x000000FF);
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 1] =
(u8) ((value >> 8) & 0x0000FF);
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 2] =
(u8) ((value >> 16) & 0x00FF);
rtlefuse->efuse_map[EFUSE_MODIFY_MAP][offset + 3] =
(u8) ((value >> 24) & 0xFF);
}
static int efuse_one_byte_read(struct ieee80211_hw *hw, u16 addr, u8 *data)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmpidx = 0;
int result;
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 1,
(u8) (addr & 0xff));
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
((u8) ((addr >> 8) & 0x03)) |
(rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 2) &
0xFC));
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0x72);
while (!(0x80 & rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
&& (tmpidx < 100)) {
tmpidx++;
}
if (tmpidx < 100) {
*data = rtl_read_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL]);
result = true;
} else {
*data = 0xff;
result = false;
}
return result;
}
static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u8 tmpidx = 0;
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "Addr = %x Data=%x\n",
addr, data);
rtl_write_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 1, (u8) (addr & 0xff));
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 2,
(rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] +
2) & 0xFC) | (u8) ((addr >> 8) & 0x03));
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL], data);
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CTRL] + 3, 0xF2);
while ((0x80 & rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_CTRL] + 3))
&& (tmpidx < 100)) {
tmpidx++;
}
if (tmpidx < 100)
return true;
return false;
}
static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
efuse_power_switch(hw, false, true);
read_efuse(hw, 0, rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE], efuse);
efuse_power_switch(hw, false, false);
}
static void efuse_read_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
u8 efuse_data, u8 offset, u8 *tmpdata,
u8 *readstate)
{
bool dataempty = true;
u8 hoffset;
u8 tmpidx;
u8 hworden;
u8 word_cnts;
hoffset = (efuse_data >> 4) & 0x0F;
hworden = efuse_data & 0x0F;
word_cnts = efuse_calculate_word_cnts(hworden);
if (hoffset == offset) {
for (tmpidx = 0; tmpidx < word_cnts * 2; tmpidx++) {
if (efuse_one_byte_read(hw, *efuse_addr + 1 + tmpidx,
&efuse_data)) {
tmpdata[tmpidx] = efuse_data;
if (efuse_data != 0xff)
dataempty = true;
}
}
if (dataempty) {
*readstate = PG_STATE_DATA;
} else {
*efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
*readstate = PG_STATE_HEADER;
}
} else {
*efuse_addr = *efuse_addr + (word_cnts * 2) + 1;
*readstate = PG_STATE_HEADER;
}
}
static int efuse_pg_packet_read(struct ieee80211_hw *hw, u8 offset, u8 *data)
{
u8 readstate = PG_STATE_HEADER;
bool continual = true;
u8 efuse_data, word_cnts = 0;
u16 efuse_addr = 0;
u8 tmpdata[8];
if (data == NULL)
return false;
if (offset > 15)
return false;
memset(data, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
memset(tmpdata, 0xff, PGPKT_DATA_SIZE * sizeof(u8));
while (continual && (efuse_addr < EFUSE_MAX_SIZE)) {
if (readstate & PG_STATE_HEADER) {
if (efuse_one_byte_read(hw, efuse_addr, &efuse_data)
&& (efuse_data != 0xFF))
efuse_read_data_case1(hw, &efuse_addr,
efuse_data,
offset, tmpdata,
&readstate);
else
continual = false;
} else if (readstate & PG_STATE_DATA) {
efuse_word_enable_data_read(0, tmpdata, data);
efuse_addr = efuse_addr + (word_cnts * 2) + 1;
readstate = PG_STATE_HEADER;
}
}
if ((data[0] == 0xff) && (data[1] == 0xff) &&
(data[2] == 0xff) && (data[3] == 0xff) &&
(data[4] == 0xff) && (data[5] == 0xff) &&
(data[6] == 0xff) && (data[7] == 0xff))
return false;
else
return true;
}
static void efuse_write_data_case1(struct ieee80211_hw *hw, u16 *efuse_addr,
u8 efuse_data, u8 offset, int *continual,
u8 *write_state, struct pgpkt_struct *target_pkt,
int *repeat_times, int *result, u8 word_en)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct pgpkt_struct tmp_pkt;
bool dataempty = true;
u8 originaldata[8 * sizeof(u8)];
u8 badworden = 0x0F;
u8 match_word_en, tmp_word_en;
u8 tmpindex;
u8 tmp_header = efuse_data;
u8 tmp_word_cnts;
tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
tmp_pkt.word_en = tmp_header & 0x0F;
tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
if (tmp_pkt.offset != target_pkt->offset) {
*efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
*write_state = PG_STATE_HEADER;
} else {
for (tmpindex = 0; tmpindex < (tmp_word_cnts * 2); tmpindex++) {
u16 address = *efuse_addr + 1 + tmpindex;
if (efuse_one_byte_read(hw, address,
&efuse_data) && (efuse_data != 0xFF))
dataempty = false;
}
if (!dataempty) {
*efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
*write_state = PG_STATE_HEADER;
} else {
match_word_en = 0x0F;
if (!((target_pkt->word_en & BIT(0)) |
(tmp_pkt.word_en & BIT(0))))
match_word_en &= (~BIT(0));
if (!((target_pkt->word_en & BIT(1)) |
(tmp_pkt.word_en & BIT(1))))
match_word_en &= (~BIT(1));
if (!((target_pkt->word_en & BIT(2)) |
(tmp_pkt.word_en & BIT(2))))
match_word_en &= (~BIT(2));
if (!((target_pkt->word_en & BIT(3)) |
(tmp_pkt.word_en & BIT(3))))
match_word_en &= (~BIT(3));
if ((match_word_en & 0x0F) != 0x0F) {
badworden = efuse_word_enable_data_write(
hw, *efuse_addr + 1,
tmp_pkt.word_en,
target_pkt->data);
if (0x0F != (badworden & 0x0F)) {
u8 reorg_offset = offset;
u8 reorg_worden = badworden;
efuse_pg_packet_write(hw, reorg_offset,
reorg_worden,
originaldata);
}
tmp_word_en = 0x0F;
if ((target_pkt->word_en & BIT(0)) ^
(match_word_en & BIT(0)))
tmp_word_en &= (~BIT(0));
if ((target_pkt->word_en & BIT(1)) ^
(match_word_en & BIT(1)))
tmp_word_en &= (~BIT(1));
if ((target_pkt->word_en & BIT(2)) ^
(match_word_en & BIT(2)))
tmp_word_en &= (~BIT(2));
if ((target_pkt->word_en & BIT(3)) ^
(match_word_en & BIT(3)))
tmp_word_en &= (~BIT(3));
if ((tmp_word_en & 0x0F) != 0x0F) {
*efuse_addr = efuse_get_current_size(hw);
target_pkt->offset = offset;
target_pkt->word_en = tmp_word_en;
} else {
*continual = false;
}
*write_state = PG_STATE_HEADER;
*repeat_times += 1;
if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
*continual = false;
*result = false;
}
} else {
*efuse_addr += (2 * tmp_word_cnts) + 1;
target_pkt->offset = offset;
target_pkt->word_en = word_en;
*write_state = PG_STATE_HEADER;
}
}
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse PG_STATE_HEADER-1\n");
}
static void efuse_write_data_case2(struct ieee80211_hw *hw, u16 *efuse_addr,
int *continual, u8 *write_state,
struct pgpkt_struct target_pkt,
int *repeat_times, int *result)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct pgpkt_struct tmp_pkt;
u8 pg_header;
u8 tmp_header;
u8 originaldata[8 * sizeof(u8)];
u8 tmp_word_cnts;
u8 badworden = 0x0F;
pg_header = ((target_pkt.offset << 4) & 0xf0) | target_pkt.word_en;
efuse_one_byte_write(hw, *efuse_addr, pg_header);
efuse_one_byte_read(hw, *efuse_addr, &tmp_header);
if (tmp_header == pg_header) {
*write_state = PG_STATE_DATA;
} else if (tmp_header == 0xFF) {
*write_state = PG_STATE_HEADER;
*repeat_times += 1;
if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
*continual = false;
*result = false;
}
} else {
tmp_pkt.offset = (tmp_header >> 4) & 0x0F;
tmp_pkt.word_en = tmp_header & 0x0F;
tmp_word_cnts = efuse_calculate_word_cnts(tmp_pkt.word_en);
memset(originaldata, 0xff, 8 * sizeof(u8));
if (efuse_pg_packet_read(hw, tmp_pkt.offset, originaldata)) {
badworden = efuse_word_enable_data_write(hw,
*efuse_addr + 1, tmp_pkt.word_en,
originaldata);
if (0x0F != (badworden & 0x0F)) {
u8 reorg_offset = tmp_pkt.offset;
u8 reorg_worden = badworden;
efuse_pg_packet_write(hw, reorg_offset,
reorg_worden,
originaldata);
*efuse_addr = efuse_get_current_size(hw);
} else {
*efuse_addr = *efuse_addr + (tmp_word_cnts * 2)
+ 1;
}
} else {
*efuse_addr = *efuse_addr + (tmp_word_cnts * 2) + 1;
}
*write_state = PG_STATE_HEADER;
*repeat_times += 1;
if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) {
*continual = false;
*result = false;
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
"efuse PG_STATE_HEADER-2\n");
}
}
static int efuse_pg_packet_write(struct ieee80211_hw *hw,
u8 offset, u8 word_en, u8 *data)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct pgpkt_struct target_pkt;
u8 write_state = PG_STATE_HEADER;
int continual = true, result = true;
u16 efuse_addr = 0;
u8 efuse_data;
u8 target_word_cnts = 0;
u8 badworden = 0x0F;
static int repeat_times;
if (efuse_get_current_size(hw) >= (EFUSE_MAX_SIZE -
rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
"efuse_pg_packet_write error\n");
return false;
}
target_pkt.offset = offset;
target_pkt.word_en = word_en;
memset(target_pkt.data, 0xFF, 8 * sizeof(u8));
efuse_word_enable_data_read(word_en, data, target_pkt.data);
target_word_cnts = efuse_calculate_word_cnts(target_pkt.word_en);
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, "efuse Power ON\n");
while (continual && (efuse_addr < (EFUSE_MAX_SIZE -
rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN]))) {
if (write_state == PG_STATE_HEADER) {
badworden = 0x0F;
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
"efuse PG_STATE_HEADER\n");
if (efuse_one_byte_read(hw, efuse_addr, &efuse_data) &&
(efuse_data != 0xFF))
efuse_write_data_case1(hw, &efuse_addr,
efuse_data, offset,
&continual,
&write_state, &target_pkt,
&repeat_times, &result,
word_en);
else
efuse_write_data_case2(hw, &efuse_addr,
&continual,
&write_state,
target_pkt,
&repeat_times,
&result);
} else if (write_state == PG_STATE_DATA) {
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
"efuse PG_STATE_DATA\n");
badworden =
efuse_word_enable_data_write(hw, efuse_addr + 1,
target_pkt.word_en,
target_pkt.data);
if ((badworden & 0x0F) == 0x0F) {
continual = false;
} else {
efuse_addr += (2 * target_word_cnts) + 1;
target_pkt.offset = offset;
target_pkt.word_en = badworden;
target_word_cnts =
efuse_calculate_word_cnts(target_pkt.
word_en);
write_state = PG_STATE_HEADER;
repeat_times++;
if (repeat_times > EFUSE_REPEAT_THRESHOLD_) {
continual = false;
result = false;
}
RTPRINT(rtlpriv, FEEPROM, EFUSE_PG,
"efuse PG_STATE_HEADER-3\n");
}
}
}
if (efuse_addr >= (EFUSE_MAX_SIZE -
rtlpriv->cfg->maps[EFUSE_OOB_PROTECT_BYTES_LEN])) {
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD,
"efuse_addr(%#x) Out of size!!\n", efuse_addr);
}
return true;
}
static void efuse_word_enable_data_read(u8 word_en,
u8 *sourdata, u8 *targetdata)
{
if (!(word_en & BIT(0))) {
targetdata[0] = sourdata[0];
targetdata[1] = sourdata[1];
}
if (!(word_en & BIT(1))) {
targetdata[2] = sourdata[2];
targetdata[3] = sourdata[3];
}
if (!(word_en & BIT(2))) {
targetdata[4] = sourdata[4];
targetdata[5] = sourdata[5];
}
if (!(word_en & BIT(3))) {
targetdata[6] = sourdata[6];
targetdata[7] = sourdata[7];
}
}
static u8 efuse_word_enable_data_write(struct ieee80211_hw *hw,
u16 efuse_addr, u8 word_en, u8 *data)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
u16 tmpaddr;
u16 start_addr = efuse_addr;
u8 badworden = 0x0F;
u8 tmpdata[8];
memset(tmpdata, 0xff, PGPKT_DATA_SIZE);
RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, "word_en = %x efuse_addr=%x\n",
word_en, efuse_addr);
if (!(word_en & BIT(0))) {
tmpaddr = start_addr;
efuse_one_byte_write(hw, start_addr++, data[0]);
efuse_one_byte_write(hw, start_addr++, data[1]);
efuse_one_byte_read(hw, tmpaddr, &tmpdata[0]);
efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[1]);
if ((data[0] != tmpdata[0]) || (data[1] != tmpdata[1]))
badworden &= (~BIT(0));
}
if (!(word_en & BIT(1))) {
tmpaddr = start_addr;
efuse_one_byte_write(hw, start_addr++, data[2]);
efuse_one_byte_write(hw, start_addr++, data[3]);
efuse_one_byte_read(hw, tmpaddr, &tmpdata[2]);
efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[3]);
if ((data[2] != tmpdata[2]) || (data[3] != tmpdata[3]))
badworden &= (~BIT(1));
}
if (!(word_en & BIT(2))) {
tmpaddr = start_addr;
efuse_one_byte_write(hw, start_addr++, data[4]);
efuse_one_byte_write(hw, start_addr++, data[5]);
efuse_one_byte_read(hw, tmpaddr, &tmpdata[4]);
efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[5]);
if ((data[4] != tmpdata[4]) || (data[5] != tmpdata[5]))
badworden &= (~BIT(2));
}
if (!(word_en & BIT(3))) {
tmpaddr = start_addr;
efuse_one_byte_write(hw, start_addr++, data[6]);
efuse_one_byte_write(hw, start_addr++, data[7]);
efuse_one_byte_read(hw, tmpaddr, &tmpdata[6]);
efuse_one_byte_read(hw, tmpaddr + 1, &tmpdata[7]);
if ((data[6] != tmpdata[6]) || (data[7] != tmpdata[7]))
badworden &= (~BIT(3));
}
return badworden;
}
static void efuse_power_switch(struct ieee80211_hw *hw, u8 write, u8 pwrstate)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
u8 tempval;
u16 tmpV16;
if (pwrstate && (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE)) {
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_ACCESS],
0x69);
tmpV16 = rtl_read_word(rtlpriv,
rtlpriv->cfg->maps[SYS_ISO_CTRL]);
if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_PWC_EV12V])) {
tmpV16 |= rtlpriv->cfg->maps[EFUSE_PWC_EV12V];
rtl_write_word(rtlpriv,
rtlpriv->cfg->maps[SYS_ISO_CTRL],
tmpV16);
}
tmpV16 = rtl_read_word(rtlpriv,
rtlpriv->cfg->maps[SYS_FUNC_EN]);
if (!(tmpV16 & rtlpriv->cfg->maps[EFUSE_FEN_ELDR])) {
tmpV16 |= rtlpriv->cfg->maps[EFUSE_FEN_ELDR];
rtl_write_word(rtlpriv,
rtlpriv->cfg->maps[SYS_FUNC_EN], tmpV16);
}
tmpV16 = rtl_read_word(rtlpriv, rtlpriv->cfg->maps[SYS_CLK]);
if ((!(tmpV16 & rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN])) ||
(!(tmpV16 & rtlpriv->cfg->maps[EFUSE_ANA8M]))) {
tmpV16 |= (rtlpriv->cfg->maps[EFUSE_LOADER_CLK_EN] |
rtlpriv->cfg->maps[EFUSE_ANA8M]);
rtl_write_word(rtlpriv,
rtlpriv->cfg->maps[SYS_CLK], tmpV16);
}
}
if (pwrstate) {
if (write) {
tempval = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_TEST] +
3);
if (rtlhal->hw_type != HARDWARE_TYPE_RTL8192SE) {
tempval &= 0x0F;
tempval |= (VOLTAGE_V25 << 4);
}
rtl_write_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_TEST] + 3,
(tempval | 0x80));
}
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
0x03);
}
} else {
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8188EE)
rtl_write_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_ACCESS], 0);
if (write) {
tempval = rtl_read_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_TEST] +
3);
rtl_write_byte(rtlpriv,
rtlpriv->cfg->maps[EFUSE_TEST] + 3,
(tempval & 0x7F));
}
if (rtlhal->hw_type == HARDWARE_TYPE_RTL8192SE) {
rtl_write_byte(rtlpriv, rtlpriv->cfg->maps[EFUSE_CLK],
0x02);
}
}
}
static u16 efuse_get_current_size(struct ieee80211_hw *hw)
{
int continual = true;
u16 efuse_addr = 0;
u8 hworden;
u8 efuse_data, word_cnts;
while (continual && efuse_one_byte_read(hw, efuse_addr, &efuse_data)
&& (efuse_addr < EFUSE_MAX_SIZE)) {
if (efuse_data != 0xFF) {
hworden = efuse_data & 0x0F;
word_cnts = efuse_calculate_word_cnts(hworden);
efuse_addr = efuse_addr + (word_cnts * 2) + 1;
} else {
continual = false;
}
}
return efuse_addr;
}
static u8 efuse_calculate_word_cnts(u8 word_en)
{
u8 word_cnts = 0;
if (!(word_en & BIT(0)))
word_cnts++;
if (!(word_en & BIT(1)))
word_cnts++;
if (!(word_en & BIT(2)))
word_cnts++;
if (!(word_en & BIT(3)))
word_cnts++;
return word_cnts;
}
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