diff options
Diffstat (limited to 'drivers/net/wireless/rtlwifi/efuse.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/efuse.c | 1245 |
1 files changed, 0 insertions, 1245 deletions
diff --git a/drivers/net/wireless/rtlwifi/efuse.c b/drivers/net/wireless/rtlwifi/efuse.c deleted file mode 100644 index 0b4082c9272a..000000000000 --- a/drivers/net/wireless/rtlwifi/efuse.c +++ /dev/null @@ -1,1245 +0,0 @@ -/****************************************************************************** - * - * 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. - * - * 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" -#include <linux/export.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_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 enable_efuse_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); -} -EXPORT_SYMBOL_GPL(read_efuse_byte); - -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 = kzalloc(rtlpriv->cfg->maps[EFUSE_HWSET_MAX_SIZE] * - sizeof(u8), GFP_ATOMIC); - if (!efuse_tbl) - return; - efuse_word = kzalloc(EFUSE_MAX_WORD_UNIT * sizeof(u16 *), GFP_ATOMIC); - if (!efuse_word) - goto out; - for (i = 0; i < EFUSE_MAX_WORD_UNIT; i++) { - efuse_word[i] = kzalloc(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); -out: - 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); - -} -EXPORT_SYMBOL(efuse_shadow_read); - -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\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(&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); - -} - -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; -} -EXPORT_SYMBOL(efuse_one_byte_read); - -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 = false; - } - } - - 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; - int 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++) { - if (efuse_one_byte_read(hw, - (*efuse_addr + 1 + tmpindex), - &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 = - enable_efuse_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 = enable_efuse_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, dataempty = 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) { - dataempty = 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, - &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 = 0x0f; - badworden = - enable_efuse_data_write(hw, efuse_addr + 1, - target_pkt.word_en, - target_pkt.data); - - if ((badworden & 0x0F) == 0x0F) { - continual = 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_) { - 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 enable_efuse_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_RTL8192CE && - rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) { - rtl_write_byte(rtlpriv, - rtlpriv->cfg->maps[EFUSE_ACCESS], 0x69); - } else { - 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_RTL8812AE) { - tempval &= ~(BIT(3) | BIT(4) | BIT(5) | BIT(6)); - tempval |= (VOLTAGE_V25 << 3); - } else 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_RTL8192CE && - rtlhal->hw_type != HARDWARE_TYPE_RTL8192DE) - 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 hoffset, 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) { - 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 { - 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; -} - |