diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/efuse.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/efuse.c | 1171 |
1 files changed, 1171 insertions, 0 deletions
diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c new file mode 100644 index 000000000000..4f92cba6810a --- /dev/null +++ b/drivers/net/wireless/rtlwifi/efuse.c @@ -0,0 +1,1171 @@ +/****************************************************************************** + * + * Copyright(c) 2009-2010 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 "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 u8 EFUSE_OOB_PROTECT_BYTES = 15; + +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 read_efuse_byte(struct ieee80211_hw *hw, u16 _offset, + u8 *pbuf); +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 bwrite, + 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; + + if (address < EFUSE_REAL_CONTENT_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; + + RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, + ("Addr=%x Data =%x\n", address, value)); + + if (address < EFUSE_REAL_CONTENT_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; + } + } + } + +} + +static 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[EFUSE_MAP_LEN]; + u8 rtemp8[1]; + u16 efuse_addr = 0; + u8 offset, wren; + u16 i; + u16 j; + u16 efuse_word[EFUSE_MAX_SECTION][EFUSE_MAX_WORD_UNIT]; + u16 efuse_utilized = 0; + u8 efuse_usage; + + if ((_offset + _size_byte) > EFUSE_MAP_LEN) { + RT_TRACE(rtlpriv, COMP_EFUSE, DBG_LOUD, + ("read_efuse(): Invalid offset(%#x) with read " + "bytes(%#x)!!\n", _offset, _size_byte)); + return; + } + + for (i = 0; i < EFUSE_MAX_SECTION; i++) + for (j = 0; j < EFUSE_MAX_WORD_UNIT; j++) + efuse_word[i][j] = 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_REAL_CONTENT_LEN)) { + offset = ((*rtemp8 >> 4) & 0x0f); + + if (offset < EFUSE_MAX_SECTION) { + wren = (*rtemp8 & 0x0f); + 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[offset][i] = (*rtemp8 & 0xff); + + if (efuse_addr >= EFUSE_REAL_CONTENT_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[offset][i] |= + (((u16)*rtemp8 << 8) & 0xff00); + + if (efuse_addr >= EFUSE_REAL_CONTENT_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 < 512)) { + 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[i][j] & 0xff); + efuse_tbl[(i * 8) + ((j * 2) + 1)] = + ((efuse_word[i][j] >> 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_REAL_CONTENT_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, + (u8 *)&efuse_usage); +} + +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 bwordchanged, bresult = true; + + for (section_idx = 0; section_idx < 16; section_idx++) { + Base = section_idx * 8; + bwordchanged = 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++; + bwordchanged = true; + } + } + + if (bwordchanged == true) + hdr_num++; + } + + totalbytes = hdr_num + words_need * 2; + efuse_used = rtlefuse->efuse_usedbytes; + + if ((totalbytes + efuse_used) >= + (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) + bresult = 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 bresult; +} + +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, (u32 *) 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, (u32) 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((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0], + (void *)&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 == true) { + + 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((void *)tmpdata, + (void *)(&rtlefuse-> + efuse_map[EFUSE_MODIFY_MAP][base]), 8); + RT_PRINT_DATA(rtlpriv, COMP_INIT, DBG_LOUD, + ("U-efuse\n"), 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((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0], + (void *)&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 == true) { + memset((void *)(&rtlefuse->efuse_map[EFUSE_INIT_MAP][0]), 128, + 0xFF); + } else + efuse_read_all_map(hw, &rtlefuse->efuse_map[EFUSE_INIT_MAP][0]); + + memcpy((void *)&rtlefuse->efuse_map[EFUSE_MODIFY_MAP][0], + (void *)&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 bresult; + + 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]); + bresult = true; + } else { + *data = 0xff; + bresult = false; + } + return bresult; +} + +static int efuse_one_byte_write(struct ieee80211_hw *hw, u16 addr, u8 data) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 tmpidx = 0; + bool bresult; + + 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) + bresult = true; + else + bresult = false; + + return bresult; +} + +static void efuse_read_all_map(struct ieee80211_hw *hw, u8 * efuse) +{ + efuse_power_switch(hw, false, true); + read_efuse(hw, 0, 128, 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 bdataempty = 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) + bdataempty = true; + } + } + + if (bdataempty == true) + *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 bcontinual = true; + + u8 efuse_data, word_cnts = 0; + u16 efuse_addr = 0; + u8 hworden; + u8 tmpdata[8]; + + if (data == NULL) + return false; + if (offset > 15) + return false; + + memset((void *)data, PGPKT_DATA_SIZE * sizeof(u8), 0xff); + memset((void *)tmpdata, PGPKT_DATA_SIZE * sizeof(u8), 0xff); + + while (bcontinual && (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 + bcontinual = false; + } else if (readstate & PG_STATE_DATA) { + efuse_word_enable_data_read(hworden, 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 *bcontinual, + u8 *write_state, struct pgpkt_struct *target_pkt, + int *repeat_times, int *bresult, u8 word_en) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + struct pgpkt_struct tmp_pkt; + int bdataempty = 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)) + bdataempty = false; + } + + if (bdataempty == false) { + *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 + *bcontinual = false; + *write_state = PG_STATE_HEADER; + *repeat_times += 1; + if (*repeat_times > EFUSE_REPEAT_THRESHOLD_) { + *bcontinual = false; + *bresult = 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 *bcontinual, u8 *write_state, + struct pgpkt_struct target_pkt, + int *repeat_times, int *bresult) +{ + 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_) { + *bcontinual = false; + *bresult = 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((void *)originaldata, 8 * sizeof(u8), 0xff); + + 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_) { + *bcontinual = false; + *bresult = 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 bcontinual = true, bdataempty = true, bresult = 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 - EFUSE_OOB_PROTECT_BYTES)) { + RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, + ("efuse_pg_packet_write error\n")); + return false; + } + + target_pkt.offset = offset; + target_pkt.word_en = word_en; + + memset((void *)target_pkt.data, 8 * sizeof(u8), 0xFF); + + 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 (bcontinual && (efuse_addr < + (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES))) { + + if (write_state == PG_STATE_HEADER) { + bdataempty = true; + 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, + &bcontinual, + &write_state, &target_pkt, + &repeat_times, &bresult, + word_en); + else + efuse_write_data_case2(hw, &efuse_addr, + &bcontinual, + &write_state, + target_pkt, + &repeat_times, + &bresult); + + } else if (write_state == PG_STATE_DATA) { + RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, + ("efuse PG_STATE_DATA\n")); + badworden = 0x0f; + badworden = + efuse_word_enable_data_write(hw, efuse_addr + 1, + target_pkt.word_en, + target_pkt.data); + + if ((badworden & 0x0F) == 0x0F) { + bcontinual = false; + } else { + efuse_addr = + 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_) { + bcontinual = false; + bresult = false; + } + RTPRINT(rtlpriv, FEEPROM, EFUSE_PG, + ("efuse PG_STATE_HEADER-3\n")); + } + } + } + + if (efuse_addr >= (EFUSE_MAX_SIZE - EFUSE_OOB_PROTECT_BYTES)) { + 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((void *)tmpdata, PGPKT_DATA_SIZE, 0xff); + 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 bwrite, u8 pwrstate) +{ + struct rtl_priv *rtlpriv = rtl_priv(hw); + u8 tempval; + u16 tmpV16; + + if (pwrstate == true) { + 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 == true) { + if (bwrite == true) { + tempval = rtl_read_byte(rtlpriv, + rtlpriv->cfg->maps[EFUSE_TEST] + + 3); + tempval &= 0x0F; + tempval |= (VOLTAGE_V25 << 4); + rtl_write_byte(rtlpriv, + rtlpriv->cfg->maps[EFUSE_TEST] + 3, + (tempval | 0x80)); + } + + } else { + if (bwrite == true) { + tempval = rtl_read_byte(rtlpriv, + rtlpriv->cfg->maps[EFUSE_TEST] + + 3); + rtl_write_byte(rtlpriv, + rtlpriv->cfg->maps[EFUSE_TEST] + 3, + (tempval & 0x7F)); + } + + } + +} + +static u16 efuse_get_current_size(struct ieee80211_hw *hw) +{ + int bcontinual = true; + u16 efuse_addr = 0; + u8 hoffset, hworden; + u8 efuse_data, word_cnts; + + while (bcontinual && efuse_one_byte_read(hw, efuse_addr, &efuse_data) + && (efuse_addr < EFUSE_MAX_SIZE)) { + if (efuse_data != 0xFF) { + hoffset = (efuse_data >> 4) & 0x0F; + hworden = efuse_data & 0x0F; + word_cnts = efuse_calculate_word_cnts(hworden); + efuse_addr = efuse_addr + (word_cnts * 2) + 1; + } else { + bcontinual = 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; +} + |