1203c4805SLuis R. Rodriguez /* 2203c4805SLuis R. Rodriguez * Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org> 3203c4805SLuis R. Rodriguez * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com> 4203c4805SLuis R. Rodriguez * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org> 5203c4805SLuis R. Rodriguez * 6203c4805SLuis R. Rodriguez * Permission to use, copy, modify, and distribute this software for any 7203c4805SLuis R. Rodriguez * purpose with or without fee is hereby granted, provided that the above 8203c4805SLuis R. Rodriguez * copyright notice and this permission notice appear in all copies. 9203c4805SLuis R. Rodriguez * 10203c4805SLuis R. Rodriguez * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11203c4805SLuis R. Rodriguez * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12203c4805SLuis R. Rodriguez * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13203c4805SLuis R. Rodriguez * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14203c4805SLuis R. Rodriguez * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15203c4805SLuis R. Rodriguez * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16203c4805SLuis R. Rodriguez * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17203c4805SLuis R. Rodriguez * 18203c4805SLuis R. Rodriguez */ 19203c4805SLuis R. Rodriguez 20203c4805SLuis R. Rodriguez /*************************************\ 21203c4805SLuis R. Rodriguez * EEPROM access functions and helpers * 22203c4805SLuis R. Rodriguez \*************************************/ 23203c4805SLuis R. Rodriguez 24203c4805SLuis R. Rodriguez #include "ath5k.h" 25203c4805SLuis R. Rodriguez #include "reg.h" 26203c4805SLuis R. Rodriguez #include "debug.h" 27203c4805SLuis R. Rodriguez #include "base.h" 28203c4805SLuis R. Rodriguez 29203c4805SLuis R. Rodriguez /* 30203c4805SLuis R. Rodriguez * Read from eeprom 31203c4805SLuis R. Rodriguez */ 32203c4805SLuis R. Rodriguez static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data) 33203c4805SLuis R. Rodriguez { 34203c4805SLuis R. Rodriguez u32 status, timeout; 35203c4805SLuis R. Rodriguez 36203c4805SLuis R. Rodriguez ATH5K_TRACE(ah->ah_sc); 37203c4805SLuis R. Rodriguez /* 38203c4805SLuis R. Rodriguez * Initialize EEPROM access 39203c4805SLuis R. Rodriguez */ 40203c4805SLuis R. Rodriguez if (ah->ah_version == AR5K_AR5210) { 41203c4805SLuis R. Rodriguez AR5K_REG_ENABLE_BITS(ah, AR5K_PCICFG, AR5K_PCICFG_EEAE); 42203c4805SLuis R. Rodriguez (void)ath5k_hw_reg_read(ah, AR5K_EEPROM_BASE + (4 * offset)); 43203c4805SLuis R. Rodriguez } else { 44203c4805SLuis R. Rodriguez ath5k_hw_reg_write(ah, offset, AR5K_EEPROM_BASE); 45203c4805SLuis R. Rodriguez AR5K_REG_ENABLE_BITS(ah, AR5K_EEPROM_CMD, 46203c4805SLuis R. Rodriguez AR5K_EEPROM_CMD_READ); 47203c4805SLuis R. Rodriguez } 48203c4805SLuis R. Rodriguez 49203c4805SLuis R. Rodriguez for (timeout = AR5K_TUNE_REGISTER_TIMEOUT; timeout > 0; timeout--) { 50203c4805SLuis R. Rodriguez status = ath5k_hw_reg_read(ah, AR5K_EEPROM_STATUS); 51203c4805SLuis R. Rodriguez if (status & AR5K_EEPROM_STAT_RDDONE) { 52203c4805SLuis R. Rodriguez if (status & AR5K_EEPROM_STAT_RDERR) 53203c4805SLuis R. Rodriguez return -EIO; 54203c4805SLuis R. Rodriguez *data = (u16)(ath5k_hw_reg_read(ah, AR5K_EEPROM_DATA) & 55203c4805SLuis R. Rodriguez 0xffff); 56203c4805SLuis R. Rodriguez return 0; 57203c4805SLuis R. Rodriguez } 58203c4805SLuis R. Rodriguez udelay(15); 59203c4805SLuis R. Rodriguez } 60203c4805SLuis R. Rodriguez 61203c4805SLuis R. Rodriguez return -ETIMEDOUT; 62203c4805SLuis R. Rodriguez } 63203c4805SLuis R. Rodriguez 64203c4805SLuis R. Rodriguez /* 65203c4805SLuis R. Rodriguez * Translate binary channel representation in EEPROM to frequency 66203c4805SLuis R. Rodriguez */ 67203c4805SLuis R. Rodriguez static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin, 68203c4805SLuis R. Rodriguez unsigned int mode) 69203c4805SLuis R. Rodriguez { 70203c4805SLuis R. Rodriguez u16 val; 71203c4805SLuis R. Rodriguez 72203c4805SLuis R. Rodriguez if (bin == AR5K_EEPROM_CHANNEL_DIS) 73203c4805SLuis R. Rodriguez return bin; 74203c4805SLuis R. Rodriguez 75203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11A) { 76203c4805SLuis R. Rodriguez if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) 77203c4805SLuis R. Rodriguez val = (5 * bin) + 4800; 78203c4805SLuis R. Rodriguez else 79203c4805SLuis R. Rodriguez val = bin > 62 ? (10 * 62) + (5 * (bin - 62)) + 5100 : 80203c4805SLuis R. Rodriguez (bin * 10) + 5100; 81203c4805SLuis R. Rodriguez } else { 82203c4805SLuis R. Rodriguez if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) 83203c4805SLuis R. Rodriguez val = bin + 2300; 84203c4805SLuis R. Rodriguez else 85203c4805SLuis R. Rodriguez val = bin + 2400; 86203c4805SLuis R. Rodriguez } 87203c4805SLuis R. Rodriguez 88203c4805SLuis R. Rodriguez return val; 89203c4805SLuis R. Rodriguez } 90203c4805SLuis R. Rodriguez 91203c4805SLuis R. Rodriguez /* 92203c4805SLuis R. Rodriguez * Initialize eeprom & capabilities structs 93203c4805SLuis R. Rodriguez */ 94203c4805SLuis R. Rodriguez static int 95203c4805SLuis R. Rodriguez ath5k_eeprom_init_header(struct ath5k_hw *ah) 96203c4805SLuis R. Rodriguez { 97203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 98203c4805SLuis R. Rodriguez int ret; 99203c4805SLuis R. Rodriguez u16 val; 100203c4805SLuis R. Rodriguez 101203c4805SLuis R. Rodriguez /* 102203c4805SLuis R. Rodriguez * Read values from EEPROM and store them in the capability structure 103203c4805SLuis R. Rodriguez */ 104203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic); 105203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect); 106203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain); 107203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version); 108203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header); 109203c4805SLuis R. Rodriguez 110203c4805SLuis R. Rodriguez /* Return if we have an old EEPROM */ 111203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) 112203c4805SLuis R. Rodriguez return 0; 113203c4805SLuis R. Rodriguez 114203c4805SLuis R. Rodriguez #ifdef notyet 115203c4805SLuis R. Rodriguez /* 116203c4805SLuis R. Rodriguez * Validate the checksum of the EEPROM date. There are some 117203c4805SLuis R. Rodriguez * devices with invalid EEPROMs. 118203c4805SLuis R. Rodriguez */ 119203c4805SLuis R. Rodriguez for (cksum = 0, offset = 0; offset < AR5K_EEPROM_INFO_MAX; offset++) { 120203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val); 121203c4805SLuis R. Rodriguez cksum ^= val; 122203c4805SLuis R. Rodriguez } 123203c4805SLuis R. Rodriguez if (cksum != AR5K_EEPROM_INFO_CKSUM) { 124203c4805SLuis R. Rodriguez ATH5K_ERR(ah->ah_sc, "Invalid EEPROM checksum 0x%04x\n", cksum); 125203c4805SLuis R. Rodriguez return -EIO; 126203c4805SLuis R. Rodriguez } 127203c4805SLuis R. Rodriguez #endif 128203c4805SLuis R. Rodriguez 129203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version), 130203c4805SLuis R. Rodriguez ee_ant_gain); 131203c4805SLuis R. Rodriguez 132203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) { 133203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0); 134203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1); 135203c4805SLuis R. Rodriguez 136203c4805SLuis R. Rodriguez /* XXX: Don't know which versions include these two */ 137203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2); 138203c4805SLuis R. Rodriguez 139203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) 140203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3); 141203c4805SLuis R. Rodriguez 142203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) { 143203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4); 144203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5); 145203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6); 146203c4805SLuis R. Rodriguez } 147203c4805SLuis R. Rodriguez } 148203c4805SLuis R. Rodriguez 149203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) { 150203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val); 151203c4805SLuis R. Rodriguez ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7; 152203c4805SLuis R. Rodriguez ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7; 153203c4805SLuis R. Rodriguez 154203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val); 155203c4805SLuis R. Rodriguez ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7; 156203c4805SLuis R. Rodriguez ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7; 157203c4805SLuis R. Rodriguez } 158203c4805SLuis R. Rodriguez 1591889ba0aSNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_IS_HB63, val); 1601889ba0aSNick Kossifidis 1611889ba0aSNick Kossifidis if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && val) 1621889ba0aSNick Kossifidis ee->ee_is_hb63 = true; 1631889ba0aSNick Kossifidis else 1641889ba0aSNick Kossifidis ee->ee_is_hb63 = false; 1651889ba0aSNick Kossifidis 1661889ba0aSNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_RFKILL, val); 1671889ba0aSNick Kossifidis ee->ee_rfkill_pin = (u8) AR5K_REG_MS(val, AR5K_EEPROM_RFKILL_GPIO_SEL); 1681889ba0aSNick Kossifidis ee->ee_rfkill_pol = val & AR5K_EEPROM_RFKILL_POLARITY ? true : false; 1691889ba0aSNick Kossifidis 170203c4805SLuis R. Rodriguez return 0; 171203c4805SLuis R. Rodriguez } 172203c4805SLuis R. Rodriguez 173203c4805SLuis R. Rodriguez 174203c4805SLuis R. Rodriguez /* 175203c4805SLuis R. Rodriguez * Read antenna infos from eeprom 176203c4805SLuis R. Rodriguez */ 177203c4805SLuis R. Rodriguez static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, 178203c4805SLuis R. Rodriguez unsigned int mode) 179203c4805SLuis R. Rodriguez { 180203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 181203c4805SLuis R. Rodriguez u32 o = *offset; 182203c4805SLuis R. Rodriguez u16 val; 183203c4805SLuis R. Rodriguez int ret, i = 0; 184203c4805SLuis R. Rodriguez 185203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 186203c4805SLuis R. Rodriguez ee->ee_switch_settling[mode] = (val >> 8) & 0x7f; 187203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx[mode] = (val >> 2) & 0x3f; 188203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; 189203c4805SLuis R. Rodriguez 190203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 191203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; 192203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; 193203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = val & 0x3f; 194203c4805SLuis R. Rodriguez 195203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 196203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 10) & 0x3f; 197203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 4) & 0x3f; 198203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 2) & 0x3f; 199203c4805SLuis R. Rodriguez 200203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 201203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 14) & 0x3; 202203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 8) & 0x3f; 203203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 2) & 0x3f; 204203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; 205203c4805SLuis R. Rodriguez 206203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 207203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; 208203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; 209203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = val & 0x3f; 210203c4805SLuis R. Rodriguez 211203c4805SLuis R. Rodriguez /* Get antenna modes */ 212203c4805SLuis R. Rodriguez ah->ah_antenna[mode][0] = 213203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][0] << 4); 214203c4805SLuis R. Rodriguez ah->ah_antenna[mode][AR5K_ANT_FIXED_A] = 215203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][1] | 216203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][2] << 6) | 217203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][3] << 12) | 218203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][4] << 18) | 219203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][5] << 24); 220203c4805SLuis R. Rodriguez ah->ah_antenna[mode][AR5K_ANT_FIXED_B] = 221203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][6] | 222203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][7] << 6) | 223203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][8] << 12) | 224203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][9] << 18) | 225203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][10] << 24); 226203c4805SLuis R. Rodriguez 227203c4805SLuis R. Rodriguez /* return new offset */ 228203c4805SLuis R. Rodriguez *offset = o; 229203c4805SLuis R. Rodriguez 230203c4805SLuis R. Rodriguez return 0; 231203c4805SLuis R. Rodriguez } 232203c4805SLuis R. Rodriguez 233203c4805SLuis R. Rodriguez /* 234203c4805SLuis R. Rodriguez * Read supported modes and some mode-specific calibration data 235203c4805SLuis R. Rodriguez * from eeprom 236203c4805SLuis R. Rodriguez */ 237203c4805SLuis R. Rodriguez static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, 238203c4805SLuis R. Rodriguez unsigned int mode) 239203c4805SLuis R. Rodriguez { 240203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 241203c4805SLuis R. Rodriguez u32 o = *offset; 242203c4805SLuis R. Rodriguez u16 val; 243203c4805SLuis R. Rodriguez int ret; 244203c4805SLuis R. Rodriguez 245203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 0; 246203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 247203c4805SLuis R. Rodriguez ee->ee_adc_desired_size[mode] = (s8)((val >> 8) & 0xff); 248203c4805SLuis R. Rodriguez switch(mode) { 249203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 250203c4805SLuis R. Rodriguez ee->ee_ob[mode][3] = (val >> 5) & 0x7; 251203c4805SLuis R. Rodriguez ee->ee_db[mode][3] = (val >> 2) & 0x7; 252203c4805SLuis R. Rodriguez ee->ee_ob[mode][2] = (val << 1) & 0x7; 253203c4805SLuis R. Rodriguez 254203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 255203c4805SLuis R. Rodriguez ee->ee_ob[mode][2] |= (val >> 15) & 0x1; 256203c4805SLuis R. Rodriguez ee->ee_db[mode][2] = (val >> 12) & 0x7; 257203c4805SLuis R. Rodriguez ee->ee_ob[mode][1] = (val >> 9) & 0x7; 258203c4805SLuis R. Rodriguez ee->ee_db[mode][1] = (val >> 6) & 0x7; 259203c4805SLuis R. Rodriguez ee->ee_ob[mode][0] = (val >> 3) & 0x7; 260203c4805SLuis R. Rodriguez ee->ee_db[mode][0] = val & 0x7; 261203c4805SLuis R. Rodriguez break; 262203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 263203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 264203c4805SLuis R. Rodriguez ee->ee_ob[mode][1] = (val >> 4) & 0x7; 265203c4805SLuis R. Rodriguez ee->ee_db[mode][1] = val & 0x7; 266203c4805SLuis R. Rodriguez break; 267203c4805SLuis R. Rodriguez } 268203c4805SLuis R. Rodriguez 269203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 270203c4805SLuis R. Rodriguez ee->ee_tx_end2xlna_enable[mode] = (val >> 8) & 0xff; 271203c4805SLuis R. Rodriguez ee->ee_thr_62[mode] = val & 0xff; 272203c4805SLuis R. Rodriguez 273203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) 274203c4805SLuis R. Rodriguez ee->ee_thr_62[mode] = mode == AR5K_EEPROM_MODE_11A ? 15 : 28; 275203c4805SLuis R. Rodriguez 276203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 277203c4805SLuis R. Rodriguez ee->ee_tx_end2xpa_disable[mode] = (val >> 8) & 0xff; 278203c4805SLuis R. Rodriguez ee->ee_tx_frm2xpa_enable[mode] = val & 0xff; 279203c4805SLuis R. Rodriguez 280203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 281203c4805SLuis R. Rodriguez ee->ee_pga_desired_size[mode] = (val >> 8) & 0xff; 282203c4805SLuis R. Rodriguez 283203c4805SLuis R. Rodriguez if ((val & 0xff) & 0x80) 284203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = -((((val & 0xff) ^ 0xff)) + 1); 285203c4805SLuis R. Rodriguez else 286203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = val & 0xff; 287203c4805SLuis R. Rodriguez 288203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) 289203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = 290203c4805SLuis R. Rodriguez mode == AR5K_EEPROM_MODE_11A ? -54 : -1; 291203c4805SLuis R. Rodriguez 292203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 293203c4805SLuis R. Rodriguez ee->ee_xlna_gain[mode] = (val >> 5) & 0xff; 294203c4805SLuis R. Rodriguez ee->ee_x_gain[mode] = (val >> 1) & 0xf; 295203c4805SLuis R. Rodriguez ee->ee_xpd[mode] = val & 0x1; 296203c4805SLuis R. Rodriguez 297203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) 298203c4805SLuis R. Rodriguez ee->ee_fixed_bias[mode] = (val >> 13) & 0x1; 299203c4805SLuis R. Rodriguez 300203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_3) { 301203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 302203c4805SLuis R. Rodriguez ee->ee_false_detect[mode] = (val >> 6) & 0x7f; 303203c4805SLuis R. Rodriguez 304203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11A) 305203c4805SLuis R. Rodriguez ee->ee_xr_power[mode] = val & 0x3f; 306203c4805SLuis R. Rodriguez else { 307203c4805SLuis R. Rodriguez ee->ee_ob[mode][0] = val & 0x7; 308203c4805SLuis R. Rodriguez ee->ee_db[mode][0] = (val >> 3) & 0x7; 309203c4805SLuis R. Rodriguez } 310203c4805SLuis R. Rodriguez } 311203c4805SLuis R. Rodriguez 312203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_4) { 313203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] = AR5K_EEPROM_I_GAIN; 314203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_power_delta = AR5K_EEPROM_CCK_OFDM_DELTA; 315203c4805SLuis R. Rodriguez } else { 316203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] = (val >> 13) & 0x7; 317203c4805SLuis R. Rodriguez 318203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 319203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] |= (val << 3) & 0x38; 320203c4805SLuis R. Rodriguez 321203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11G) { 322203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_power_delta = (val >> 3) & 0xff; 323203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_6) 324203c4805SLuis R. Rodriguez ee->ee_scaled_cck_delta = (val >> 11) & 0x1f; 325203c4805SLuis R. Rodriguez } 326203c4805SLuis R. Rodriguez } 327203c4805SLuis R. Rodriguez 328203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && 329203c4805SLuis R. Rodriguez mode == AR5K_EEPROM_MODE_11A) { 330203c4805SLuis R. Rodriguez ee->ee_i_cal[mode] = (val >> 8) & 0x3f; 331203c4805SLuis R. Rodriguez ee->ee_q_cal[mode] = (val >> 3) & 0x1f; 332203c4805SLuis R. Rodriguez } 333203c4805SLuis R. Rodriguez 334203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_0) 335203c4805SLuis R. Rodriguez goto done; 336203c4805SLuis R. Rodriguez 337203c4805SLuis R. Rodriguez /* Note: >= v5 have bg freq piers on another location 338203c4805SLuis R. Rodriguez * so these freq piers are ignored for >= v5 (should be 0xff 339203c4805SLuis R. Rodriguez * anyway) */ 340203c4805SLuis R. Rodriguez switch(mode) { 341203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 342203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_1) 343203c4805SLuis R. Rodriguez break; 344203c4805SLuis R. Rodriguez 345203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 346203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = val & 0x3f; 347203c4805SLuis R. Rodriguez break; 348203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 349203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 350203c4805SLuis R. Rodriguez 351203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[0].freq = 352203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 353203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[0].freq != AR5K_EEPROM_CHANNEL_DIS) 354203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 355203c4805SLuis R. Rodriguez 356203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[1].freq = 357203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 358203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[1].freq != AR5K_EEPROM_CHANNEL_DIS) 359203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 360203c4805SLuis R. Rodriguez 361203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 362203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[2].freq = 363203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 364203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[2].freq != AR5K_EEPROM_CHANNEL_DIS) 365203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 366203c4805SLuis R. Rodriguez 367203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) 368203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; 369203c4805SLuis R. Rodriguez break; 370203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 371203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 372203c4805SLuis R. Rodriguez 373203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[0].freq = 374203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 375203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[0].freq != AR5K_EEPROM_CHANNEL_DIS) 376203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 377203c4805SLuis R. Rodriguez 378203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[1].freq = 379203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 380203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[1].freq != AR5K_EEPROM_CHANNEL_DIS) 381203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 382203c4805SLuis R. Rodriguez 383203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 384203c4805SLuis R. Rodriguez ee->ee_turbo_max_power[mode] = val & 0x7f; 385203c4805SLuis R. Rodriguez ee->ee_xr_power[mode] = (val >> 7) & 0x3f; 386203c4805SLuis R. Rodriguez 387203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 388203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[2].freq = 389203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 390203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[2].freq != AR5K_EEPROM_CHANNEL_DIS) 391203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 392203c4805SLuis R. Rodriguez 393203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) 394203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; 395203c4805SLuis R. Rodriguez 396203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 397203c4805SLuis R. Rodriguez ee->ee_i_cal[mode] = (val >> 8) & 0x3f; 398203c4805SLuis R. Rodriguez ee->ee_q_cal[mode] = (val >> 3) & 0x1f; 399203c4805SLuis R. Rodriguez 400203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) { 401203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 402203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_gain_delta = val & 0xff; 403203c4805SLuis R. Rodriguez } 404203c4805SLuis R. Rodriguez break; 405203c4805SLuis R. Rodriguez } 406203c4805SLuis R. Rodriguez 407203c4805SLuis R. Rodriguez done: 408203c4805SLuis R. Rodriguez /* return new offset */ 409203c4805SLuis R. Rodriguez *offset = o; 410203c4805SLuis R. Rodriguez 411203c4805SLuis R. Rodriguez return 0; 412203c4805SLuis R. Rodriguez } 413203c4805SLuis R. Rodriguez 414203c4805SLuis R. Rodriguez /* 415203c4805SLuis R. Rodriguez * Read turbo mode information on newer EEPROM versions 416203c4805SLuis R. Rodriguez */ 417203c4805SLuis R. Rodriguez static int 418203c4805SLuis R. Rodriguez ath5k_eeprom_read_turbo_modes(struct ath5k_hw *ah, 419203c4805SLuis R. Rodriguez u32 *offset, unsigned int mode) 420203c4805SLuis R. Rodriguez { 421203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 422203c4805SLuis R. Rodriguez u32 o = *offset; 423203c4805SLuis R. Rodriguez u16 val; 424203c4805SLuis R. Rodriguez int ret; 425203c4805SLuis R. Rodriguez 426203c4805SLuis R. Rodriguez if (ee->ee_version < AR5K_EEPROM_VERSION_5_0) 427203c4805SLuis R. Rodriguez return 0; 428203c4805SLuis R. Rodriguez 429203c4805SLuis R. Rodriguez switch (mode){ 430203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 431203c4805SLuis R. Rodriguez ee->ee_switch_settling_turbo[mode] = (val >> 6) & 0x7f; 432203c4805SLuis R. Rodriguez 433203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] = (val >> 13) & 0x7; 434203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 435203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x7) << 3; 436203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx_turbo[mode] = (val >> 3) & 0x3f; 437203c4805SLuis R. Rodriguez 438203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] = (val >> 9) & 0x7f; 439203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 440203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] |= (val & 0x1) << 7; 441203c4805SLuis R. Rodriguez ee->ee_pga_desired_size_turbo[mode] = (val >> 1) & 0xff; 442203c4805SLuis R. Rodriguez 443203c4805SLuis R. Rodriguez if (AR5K_EEPROM_EEMAP(ee->ee_misc0) >=2) 444203c4805SLuis R. Rodriguez ee->ee_pd_gain_overlap = (val >> 9) & 0xf; 445203c4805SLuis R. Rodriguez break; 446203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 447203c4805SLuis R. Rodriguez ee->ee_switch_settling_turbo[mode] = (val >> 8) & 0x7f; 448203c4805SLuis R. Rodriguez 449203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] = (val >> 15) & 0x7; 450203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 451203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x1f) << 1; 452203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx_turbo[mode] = (val >> 5) & 0x3f; 453203c4805SLuis R. Rodriguez 454203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] = (val >> 11) & 0x7f; 455203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 456203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] |= (val & 0x7) << 5; 457203c4805SLuis R. Rodriguez ee->ee_pga_desired_size_turbo[mode] = (val >> 3) & 0xff; 458203c4805SLuis R. Rodriguez break; 459203c4805SLuis R. Rodriguez } 460203c4805SLuis R. Rodriguez 461203c4805SLuis R. Rodriguez /* return new offset */ 462203c4805SLuis R. Rodriguez *offset = o; 463203c4805SLuis R. Rodriguez 464203c4805SLuis R. Rodriguez return 0; 465203c4805SLuis R. Rodriguez } 466203c4805SLuis R. Rodriguez 467203c4805SLuis R. Rodriguez /* Read mode-specific data (except power calibration data) */ 468203c4805SLuis R. Rodriguez static int 469203c4805SLuis R. Rodriguez ath5k_eeprom_init_modes(struct ath5k_hw *ah) 470203c4805SLuis R. Rodriguez { 471203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 472203c4805SLuis R. Rodriguez u32 mode_offset[3]; 473203c4805SLuis R. Rodriguez unsigned int mode; 474203c4805SLuis R. Rodriguez u32 offset; 475203c4805SLuis R. Rodriguez int ret; 476203c4805SLuis R. Rodriguez 477203c4805SLuis R. Rodriguez /* 478203c4805SLuis R. Rodriguez * Get values for all modes 479203c4805SLuis R. Rodriguez */ 480203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11A] = AR5K_EEPROM_MODES_11A(ah->ah_ee_version); 481203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11B] = AR5K_EEPROM_MODES_11B(ah->ah_ee_version); 482203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11G] = AR5K_EEPROM_MODES_11G(ah->ah_ee_version); 483203c4805SLuis R. Rodriguez 484203c4805SLuis R. Rodriguez ee->ee_turbo_max_power[AR5K_EEPROM_MODE_11A] = 485203c4805SLuis R. Rodriguez AR5K_EEPROM_HDR_T_5GHZ_DBM(ee->ee_header); 486203c4805SLuis R. Rodriguez 487203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) { 488203c4805SLuis R. Rodriguez offset = mode_offset[mode]; 489203c4805SLuis R. Rodriguez 490203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_ants(ah, &offset, mode); 491203c4805SLuis R. Rodriguez if (ret) 492203c4805SLuis R. Rodriguez return ret; 493203c4805SLuis R. Rodriguez 494203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_modes(ah, &offset, mode); 495203c4805SLuis R. Rodriguez if (ret) 496203c4805SLuis R. Rodriguez return ret; 497203c4805SLuis R. Rodriguez 498203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_turbo_modes(ah, &offset, mode); 499203c4805SLuis R. Rodriguez if (ret) 500203c4805SLuis R. Rodriguez return ret; 501203c4805SLuis R. Rodriguez } 502203c4805SLuis R. Rodriguez 503203c4805SLuis R. Rodriguez /* override for older eeprom versions for better performance */ 504203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) { 505203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11A] = 15; 506203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11B] = 28; 507203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11G] = 28; 508203c4805SLuis R. Rodriguez } 509203c4805SLuis R. Rodriguez 510203c4805SLuis R. Rodriguez return 0; 511203c4805SLuis R. Rodriguez } 512203c4805SLuis R. Rodriguez 513203c4805SLuis R. Rodriguez /* Read the frequency piers for each mode (mostly used on newer eeproms with 0xff 514203c4805SLuis R. Rodriguez * frequency mask) */ 515203c4805SLuis R. Rodriguez static inline int 516203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, 517203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pc, unsigned int mode) 518203c4805SLuis R. Rodriguez { 519203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 520203c4805SLuis R. Rodriguez int o = *offset; 521203c4805SLuis R. Rodriguez int i = 0; 522203c4805SLuis R. Rodriguez u8 freq1, freq2; 523203c4805SLuis R. Rodriguez int ret; 524203c4805SLuis R. Rodriguez u16 val; 525203c4805SLuis R. Rodriguez 526203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 0; 527203c4805SLuis R. Rodriguez while(i < max) { 528203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 529203c4805SLuis R. Rodriguez 530203c4805SLuis R. Rodriguez freq1 = val & 0xff; 531203c4805SLuis R. Rodriguez if (!freq1) 532203c4805SLuis R. Rodriguez break; 533203c4805SLuis R. Rodriguez 534203c4805SLuis R. Rodriguez pc[i++].freq = ath5k_eeprom_bin2freq(ee, 535203c4805SLuis R. Rodriguez freq1, mode); 536203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 537203c4805SLuis R. Rodriguez 538203c4805SLuis R. Rodriguez freq2 = (val >> 8) & 0xff; 539203c4805SLuis R. Rodriguez if (!freq2) 540203c4805SLuis R. Rodriguez break; 541203c4805SLuis R. Rodriguez 542203c4805SLuis R. Rodriguez pc[i++].freq = ath5k_eeprom_bin2freq(ee, 543203c4805SLuis R. Rodriguez freq2, mode); 544203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 545203c4805SLuis R. Rodriguez } 546203c4805SLuis R. Rodriguez 547203c4805SLuis R. Rodriguez /* return new offset */ 548203c4805SLuis R. Rodriguez *offset = o; 549203c4805SLuis R. Rodriguez 550203c4805SLuis R. Rodriguez return 0; 551203c4805SLuis R. Rodriguez } 552203c4805SLuis R. Rodriguez 553203c4805SLuis R. Rodriguez /* Read frequency piers for 802.11a */ 554203c4805SLuis R. Rodriguez static int 555203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset) 556203c4805SLuis R. Rodriguez { 557203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 558203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a; 559203c4805SLuis R. Rodriguez int i, ret; 560203c4805SLuis R. Rodriguez u16 val; 561203c4805SLuis R. Rodriguez u8 mask; 562203c4805SLuis R. Rodriguez 563203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { 564203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(ah, &offset, 565203c4805SLuis R. Rodriguez AR5K_EEPROM_N_5GHZ_CHAN, pcal, 566203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11A); 567203c4805SLuis R. Rodriguez } else { 568203c4805SLuis R. Rodriguez mask = AR5K_EEPROM_FREQ_M(ah->ah_ee_version); 569203c4805SLuis R. Rodriguez 570203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 571203c4805SLuis R. Rodriguez pcal[0].freq = (val >> 9) & mask; 572203c4805SLuis R. Rodriguez pcal[1].freq = (val >> 2) & mask; 573203c4805SLuis R. Rodriguez pcal[2].freq = (val << 5) & mask; 574203c4805SLuis R. Rodriguez 575203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 576203c4805SLuis R. Rodriguez pcal[2].freq |= (val >> 11) & 0x1f; 577203c4805SLuis R. Rodriguez pcal[3].freq = (val >> 4) & mask; 578203c4805SLuis R. Rodriguez pcal[4].freq = (val << 3) & mask; 579203c4805SLuis R. Rodriguez 580203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 581203c4805SLuis R. Rodriguez pcal[4].freq |= (val >> 13) & 0x7; 582203c4805SLuis R. Rodriguez pcal[5].freq = (val >> 6) & mask; 583203c4805SLuis R. Rodriguez pcal[6].freq = (val << 1) & mask; 584203c4805SLuis R. Rodriguez 585203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 586203c4805SLuis R. Rodriguez pcal[6].freq |= (val >> 15) & 0x1; 587203c4805SLuis R. Rodriguez pcal[7].freq = (val >> 8) & mask; 588203c4805SLuis R. Rodriguez pcal[8].freq = (val >> 1) & mask; 589203c4805SLuis R. Rodriguez pcal[9].freq = (val << 6) & mask; 590203c4805SLuis R. Rodriguez 591203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 592203c4805SLuis R. Rodriguez pcal[9].freq |= (val >> 10) & 0x3f; 593203c4805SLuis R. Rodriguez 594203c4805SLuis R. Rodriguez /* Fixed number of piers */ 595203c4805SLuis R. Rodriguez ee->ee_n_piers[AR5K_EEPROM_MODE_11A] = 10; 596203c4805SLuis R. Rodriguez 597203c4805SLuis R. Rodriguez for (i = 0; i < AR5K_EEPROM_N_5GHZ_CHAN; i++) { 598203c4805SLuis R. Rodriguez pcal[i].freq = ath5k_eeprom_bin2freq(ee, 599203c4805SLuis R. Rodriguez pcal[i].freq, AR5K_EEPROM_MODE_11A); 600203c4805SLuis R. Rodriguez } 601203c4805SLuis R. Rodriguez } 602203c4805SLuis R. Rodriguez 603203c4805SLuis R. Rodriguez return 0; 604203c4805SLuis R. Rodriguez } 605203c4805SLuis R. Rodriguez 606203c4805SLuis R. Rodriguez /* Read frequency piers for 802.11bg on eeprom versions >= 5 and eemap >= 2 */ 607203c4805SLuis R. Rodriguez static inline int 608203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset) 609203c4805SLuis R. Rodriguez { 610203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 611203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal; 612203c4805SLuis R. Rodriguez 613203c4805SLuis R. Rodriguez switch(mode) { 614203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 615203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_b; 616203c4805SLuis R. Rodriguez break; 617203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 618203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_g; 619203c4805SLuis R. Rodriguez break; 620203c4805SLuis R. Rodriguez default: 621203c4805SLuis R. Rodriguez return -EINVAL; 622203c4805SLuis R. Rodriguez } 623203c4805SLuis R. Rodriguez 624203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(ah, &offset, 625203c4805SLuis R. Rodriguez AR5K_EEPROM_N_2GHZ_CHAN_2413, pcal, 626203c4805SLuis R. Rodriguez mode); 627203c4805SLuis R. Rodriguez 628203c4805SLuis R. Rodriguez return 0; 629203c4805SLuis R. Rodriguez } 630203c4805SLuis R. Rodriguez 631203c4805SLuis R. Rodriguez /* 632203c4805SLuis R. Rodriguez * Read power calibration for RF5111 chips 633203c4805SLuis R. Rodriguez * 634203c4805SLuis R. Rodriguez * For RF5111 we have an XPD -eXternal Power Detector- curve 635203c4805SLuis R. Rodriguez * for each calibrated channel. Each curve has 0,5dB Power steps 636203c4805SLuis R. Rodriguez * on x axis and PCDAC steps (offsets) on y axis and looks like an 637203c4805SLuis R. Rodriguez * exponential function. To recreate the curve we read 11 points 638203c4805SLuis R. Rodriguez * here and interpolate later. 639203c4805SLuis R. Rodriguez */ 640203c4805SLuis R. Rodriguez 641203c4805SLuis R. Rodriguez /* Used to match PCDAC steps with power values on RF5111 chips 642203c4805SLuis R. Rodriguez * (eeprom versions < 4). For RF5111 we have 11 pre-defined PCDAC 643203c4805SLuis R. Rodriguez * steps that match with the power values we read from eeprom. On 644203c4805SLuis R. Rodriguez * older eeprom versions (< 3.2) these steps are equaly spaced at 645203c4805SLuis R. Rodriguez * 10% of the pcdac curve -until the curve reaches it's maximum- 646203c4805SLuis R. Rodriguez * (11 steps from 0 to 100%) but on newer eeprom versions (>= 3.2) 647203c4805SLuis R. Rodriguez * these 11 steps are spaced in a different way. This function returns 648203c4805SLuis R. Rodriguez * the pcdac steps based on eeprom version and curve min/max so that we 649203c4805SLuis R. Rodriguez * can have pcdac/pwr points. 650203c4805SLuis R. Rodriguez */ 651203c4805SLuis R. Rodriguez static inline void 652203c4805SLuis R. Rodriguez ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp) 653203c4805SLuis R. Rodriguez { 654bbb33881STobias Klauser static const u16 intercepts3[] = 655203c4805SLuis R. Rodriguez { 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 }; 656bbb33881STobias Klauser static const u16 intercepts3_2[] = 657203c4805SLuis R. Rodriguez { 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 }; 658203c4805SLuis R. Rodriguez const u16 *ip; 659203c4805SLuis R. Rodriguez int i; 660203c4805SLuis R. Rodriguez 661203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2) 662203c4805SLuis R. Rodriguez ip = intercepts3_2; 663203c4805SLuis R. Rodriguez else 664203c4805SLuis R. Rodriguez ip = intercepts3; 665203c4805SLuis R. Rodriguez 666203c4805SLuis R. Rodriguez for (i = 0; i < ARRAY_SIZE(intercepts3); i++) 667203c4805SLuis R. Rodriguez vp[i] = (ip[i] * max + (100 - ip[i]) * min) / 100; 668203c4805SLuis R. Rodriguez } 669203c4805SLuis R. Rodriguez 670203c4805SLuis R. Rodriguez /* Convert RF5111 specific data to generic raw data 671203c4805SLuis R. Rodriguez * used by interpolation code */ 672203c4805SLuis R. Rodriguez static int 673203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode, 674203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 675203c4805SLuis R. Rodriguez { 676203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 677203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5111 *pcinfo; 678203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd; 679203c4805SLuis R. Rodriguez u8 pier, point, idx; 680203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 681203c4805SLuis R. Rodriguez 682203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 683203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 684203c4805SLuis R. Rodriguez 685203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf5111_info; 686203c4805SLuis R. Rodriguez 687203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 688203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 689203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 690203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 691203c4805SLuis R. Rodriguez GFP_KERNEL); 692203c4805SLuis R. Rodriguez 693203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 694203c4805SLuis R. Rodriguez return -ENOMEM; 695203c4805SLuis R. Rodriguez 696203c4805SLuis R. Rodriguez /* Only one curve for RF5111 697203c4805SLuis R. Rodriguez * find out which one and place 698203c4805SLuis R. Rodriguez * in in pd_curves. 699203c4805SLuis R. Rodriguez * Note: ee_x_gain is reversed here */ 700203c4805SLuis R. Rodriguez for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) { 701203c4805SLuis R. Rodriguez 702203c4805SLuis R. Rodriguez if (!((ee->ee_x_gain[mode] >> idx) & 0x1)) { 703203c4805SLuis R. Rodriguez pdgain_idx[0] = idx; 704203c4805SLuis R. Rodriguez break; 705203c4805SLuis R. Rodriguez } 706203c4805SLuis R. Rodriguez } 707203c4805SLuis R. Rodriguez 708203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = 1; 709203c4805SLuis R. Rodriguez 710203c4805SLuis R. Rodriguez pd = &chinfo[pier].pd_curves[idx]; 711203c4805SLuis R. Rodriguez 712203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PWR_POINTS_5111; 713203c4805SLuis R. Rodriguez 714203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 715203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, 716203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 717203c4805SLuis R. Rodriguez if (!pd->pd_step) 718203c4805SLuis R. Rodriguez return -ENOMEM; 719203c4805SLuis R. Rodriguez 720203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, 721203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 722203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 723203c4805SLuis R. Rodriguez return -ENOMEM; 724203c4805SLuis R. Rodriguez 725203c4805SLuis R. Rodriguez /* Fill raw dataset 726203c4805SLuis R. Rodriguez * (convert power to 0.25dB units 727203c4805SLuis R. Rodriguez * for RF5112 combatibility) */ 728203c4805SLuis R. Rodriguez for (point = 0; point < pd->pd_points; point++) { 729203c4805SLuis R. Rodriguez 730203c4805SLuis R. Rodriguez /* Absolute values */ 731203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 2 * pcinfo->pwr[point]; 732203c4805SLuis R. Rodriguez 733203c4805SLuis R. Rodriguez /* Already sorted */ 734203c4805SLuis R. Rodriguez pd->pd_step[point] = pcinfo->pcdac[point]; 735203c4805SLuis R. Rodriguez } 736203c4805SLuis R. Rodriguez 737203c4805SLuis R. Rodriguez /* Set min/max pwr */ 738203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 739203c4805SLuis R. Rodriguez chinfo[pier].max_pwr = pd->pd_pwr[10]; 740203c4805SLuis R. Rodriguez 741203c4805SLuis R. Rodriguez } 742203c4805SLuis R. Rodriguez 743203c4805SLuis R. Rodriguez return 0; 744203c4805SLuis R. Rodriguez } 745203c4805SLuis R. Rodriguez 746203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 747203c4805SLuis R. Rodriguez static int 748203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode) 749203c4805SLuis R. Rodriguez { 750203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 751203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal; 752203c4805SLuis R. Rodriguez int offset, ret; 753203c4805SLuis R. Rodriguez int i; 754203c4805SLuis R. Rodriguez u16 val; 755203c4805SLuis R. Rodriguez 756203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 757203c4805SLuis R. Rodriguez switch(mode) { 758203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 759203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 760203c4805SLuis R. Rodriguez return 0; 761203c4805SLuis R. Rodriguez 762203c4805SLuis R. Rodriguez ret = ath5k_eeprom_init_11a_pcal_freq(ah, 763203c4805SLuis R. Rodriguez offset + AR5K_EEPROM_GROUP1_OFFSET); 764203c4805SLuis R. Rodriguez if (ret < 0) 765203c4805SLuis R. Rodriguez return ret; 766203c4805SLuis R. Rodriguez 767203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 768203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_a; 769203c4805SLuis R. Rodriguez break; 770203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 771203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header) && 772203c4805SLuis R. Rodriguez !AR5K_EEPROM_HDR_11G(ee->ee_header)) 773203c4805SLuis R. Rodriguez return 0; 774203c4805SLuis R. Rodriguez 775203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_b; 776203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP3_OFFSET; 777203c4805SLuis R. Rodriguez 778203c4805SLuis R. Rodriguez /* fixed piers */ 779203c4805SLuis R. Rodriguez pcal[0].freq = 2412; 780203c4805SLuis R. Rodriguez pcal[1].freq = 2447; 781203c4805SLuis R. Rodriguez pcal[2].freq = 2484; 782203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 3; 783203c4805SLuis R. Rodriguez break; 784203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 785203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 786203c4805SLuis R. Rodriguez return 0; 787203c4805SLuis R. Rodriguez 788203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_g; 789203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP4_OFFSET; 790203c4805SLuis R. Rodriguez 791203c4805SLuis R. Rodriguez /* fixed piers */ 792203c4805SLuis R. Rodriguez pcal[0].freq = 2312; 793203c4805SLuis R. Rodriguez pcal[1].freq = 2412; 794203c4805SLuis R. Rodriguez pcal[2].freq = 2484; 795203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 3; 796203c4805SLuis R. Rodriguez break; 797203c4805SLuis R. Rodriguez default: 798203c4805SLuis R. Rodriguez return -EINVAL; 799203c4805SLuis R. Rodriguez } 800203c4805SLuis R. Rodriguez 801203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 802203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5111 *cdata = 803203c4805SLuis R. Rodriguez &pcal[i].rf5111_info; 804203c4805SLuis R. Rodriguez 805203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 806203c4805SLuis R. Rodriguez cdata->pcdac_max = ((val >> 10) & AR5K_EEPROM_PCDAC_M); 807203c4805SLuis R. Rodriguez cdata->pcdac_min = ((val >> 4) & AR5K_EEPROM_PCDAC_M); 808203c4805SLuis R. Rodriguez cdata->pwr[0] = ((val << 2) & AR5K_EEPROM_POWER_M); 809203c4805SLuis R. Rodriguez 810203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 811203c4805SLuis R. Rodriguez cdata->pwr[0] |= ((val >> 14) & 0x3); 812203c4805SLuis R. Rodriguez cdata->pwr[1] = ((val >> 8) & AR5K_EEPROM_POWER_M); 813203c4805SLuis R. Rodriguez cdata->pwr[2] = ((val >> 2) & AR5K_EEPROM_POWER_M); 814203c4805SLuis R. Rodriguez cdata->pwr[3] = ((val << 4) & AR5K_EEPROM_POWER_M); 815203c4805SLuis R. Rodriguez 816203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 817203c4805SLuis R. Rodriguez cdata->pwr[3] |= ((val >> 12) & 0xf); 818203c4805SLuis R. Rodriguez cdata->pwr[4] = ((val >> 6) & AR5K_EEPROM_POWER_M); 819203c4805SLuis R. Rodriguez cdata->pwr[5] = (val & AR5K_EEPROM_POWER_M); 820203c4805SLuis R. Rodriguez 821203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 822203c4805SLuis R. Rodriguez cdata->pwr[6] = ((val >> 10) & AR5K_EEPROM_POWER_M); 823203c4805SLuis R. Rodriguez cdata->pwr[7] = ((val >> 4) & AR5K_EEPROM_POWER_M); 824203c4805SLuis R. Rodriguez cdata->pwr[8] = ((val << 2) & AR5K_EEPROM_POWER_M); 825203c4805SLuis R. Rodriguez 826203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 827203c4805SLuis R. Rodriguez cdata->pwr[8] |= ((val >> 14) & 0x3); 828203c4805SLuis R. Rodriguez cdata->pwr[9] = ((val >> 8) & AR5K_EEPROM_POWER_M); 829203c4805SLuis R. Rodriguez cdata->pwr[10] = ((val >> 2) & AR5K_EEPROM_POWER_M); 830203c4805SLuis R. Rodriguez 831203c4805SLuis R. Rodriguez ath5k_get_pcdac_intercepts(ah, cdata->pcdac_min, 832203c4805SLuis R. Rodriguez cdata->pcdac_max, cdata->pcdac); 833203c4805SLuis R. Rodriguez } 834203c4805SLuis R. Rodriguez 835203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_5111(ah, mode, pcal); 836203c4805SLuis R. Rodriguez } 837203c4805SLuis R. Rodriguez 838203c4805SLuis R. Rodriguez 839203c4805SLuis R. Rodriguez /* 840203c4805SLuis R. Rodriguez * Read power calibration for RF5112 chips 841203c4805SLuis R. Rodriguez * 842203c4805SLuis R. Rodriguez * For RF5112 we have 4 XPD -eXternal Power Detector- curves 843203c4805SLuis R. Rodriguez * for each calibrated channel on 0, -6, -12 and -18dbm but we only 844203c4805SLuis R. Rodriguez * use the higher (3) and the lower (0) curves. Each curve has 0.5dB 845203c4805SLuis R. Rodriguez * power steps on x axis and PCDAC steps on y axis and looks like a 846203c4805SLuis R. Rodriguez * linear function. To recreate the curve and pass the power values 847203c4805SLuis R. Rodriguez * on hw, we read 4 points for xpd 0 (lower gain -> max power) 848203c4805SLuis R. Rodriguez * and 3 points for xpd 3 (higher gain -> lower power) here and 849203c4805SLuis R. Rodriguez * interpolate later. 850203c4805SLuis R. Rodriguez * 851203c4805SLuis R. Rodriguez * Note: Many vendors just use xpd 0 so xpd 3 is zeroed. 852203c4805SLuis R. Rodriguez */ 853203c4805SLuis R. Rodriguez 854203c4805SLuis R. Rodriguez /* Convert RF5112 specific data to generic raw data 855203c4805SLuis R. Rodriguez * used by interpolation code */ 856203c4805SLuis R. Rodriguez static int 857203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_5112(struct ath5k_hw *ah, int mode, 858203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 859203c4805SLuis R. Rodriguez { 860203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 861203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5112 *pcinfo; 862203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 863203c4805SLuis R. Rodriguez unsigned int pier, pdg, point; 864203c4805SLuis R. Rodriguez 865203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 866203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 867203c4805SLuis R. Rodriguez 868203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf5112_info; 869203c4805SLuis R. Rodriguez 870203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 871203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 872203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 873203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 874203c4805SLuis R. Rodriguez GFP_KERNEL); 875203c4805SLuis R. Rodriguez 876203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 877203c4805SLuis R. Rodriguez return -ENOMEM; 878203c4805SLuis R. Rodriguez 879203c4805SLuis R. Rodriguez /* Fill pd_curves */ 880203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 881203c4805SLuis R. Rodriguez 882203c4805SLuis R. Rodriguez u8 idx = pdgain_idx[pdg]; 883203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 884203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[idx]; 885203c4805SLuis R. Rodriguez 886203c4805SLuis R. Rodriguez /* Lowest gain curve (max power) */ 887203c4805SLuis R. Rodriguez if (pdg == 0) { 888203c4805SLuis R. Rodriguez /* One more point for better accuracy */ 889203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_XPD0_POINTS; 890203c4805SLuis R. Rodriguez 891203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 892203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 893203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 894203c4805SLuis R. Rodriguez 895203c4805SLuis R. Rodriguez if (!pd->pd_step) 896203c4805SLuis R. Rodriguez return -ENOMEM; 897203c4805SLuis R. Rodriguez 898203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 899203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 900203c4805SLuis R. Rodriguez 901203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 902203c4805SLuis R. Rodriguez return -ENOMEM; 903203c4805SLuis R. Rodriguez 904203c4805SLuis R. Rodriguez 905203c4805SLuis R. Rodriguez /* Fill raw dataset 906203c4805SLuis R. Rodriguez * (all power levels are in 0.25dB units) */ 907203c4805SLuis R. Rodriguez pd->pd_step[0] = pcinfo->pcdac_x0[0]; 908203c4805SLuis R. Rodriguez pd->pd_pwr[0] = pcinfo->pwr_x0[0]; 909203c4805SLuis R. Rodriguez 910203c4805SLuis R. Rodriguez for (point = 1; point < pd->pd_points; 911203c4805SLuis R. Rodriguez point++) { 912203c4805SLuis R. Rodriguez /* Absolute values */ 913203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 914203c4805SLuis R. Rodriguez pcinfo->pwr_x0[point]; 915203c4805SLuis R. Rodriguez 916203c4805SLuis R. Rodriguez /* Deltas */ 917203c4805SLuis R. Rodriguez pd->pd_step[point] = 918203c4805SLuis R. Rodriguez pd->pd_step[point - 1] + 919203c4805SLuis R. Rodriguez pcinfo->pcdac_x0[point]; 920203c4805SLuis R. Rodriguez } 921203c4805SLuis R. Rodriguez 922203c4805SLuis R. Rodriguez /* Set min power for this frequency */ 923203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 924203c4805SLuis R. Rodriguez 925203c4805SLuis R. Rodriguez /* Highest gain curve (min power) */ 926203c4805SLuis R. Rodriguez } else if (pdg == 1) { 927203c4805SLuis R. Rodriguez 928203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_XPD3_POINTS; 929203c4805SLuis R. Rodriguez 930203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 931203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 932203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 933203c4805SLuis R. Rodriguez 934203c4805SLuis R. Rodriguez if (!pd->pd_step) 935203c4805SLuis R. Rodriguez return -ENOMEM; 936203c4805SLuis R. Rodriguez 937203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 938203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 939203c4805SLuis R. Rodriguez 940203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 941203c4805SLuis R. Rodriguez return -ENOMEM; 942203c4805SLuis R. Rodriguez 943203c4805SLuis R. Rodriguez /* Fill raw dataset 944203c4805SLuis R. Rodriguez * (all power levels are in 0.25dB units) */ 945203c4805SLuis R. Rodriguez for (point = 0; point < pd->pd_points; 946203c4805SLuis R. Rodriguez point++) { 947203c4805SLuis R. Rodriguez /* Absolute values */ 948203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 949203c4805SLuis R. Rodriguez pcinfo->pwr_x3[point]; 950203c4805SLuis R. Rodriguez 951203c4805SLuis R. Rodriguez /* Fixed points */ 952203c4805SLuis R. Rodriguez pd->pd_step[point] = 953203c4805SLuis R. Rodriguez pcinfo->pcdac_x3[point]; 954203c4805SLuis R. Rodriguez } 955203c4805SLuis R. Rodriguez 956203c4805SLuis R. Rodriguez /* Since we have a higher gain curve 957203c4805SLuis R. Rodriguez * override min power */ 958203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 959203c4805SLuis R. Rodriguez } 960203c4805SLuis R. Rodriguez } 961203c4805SLuis R. Rodriguez } 962203c4805SLuis R. Rodriguez 963203c4805SLuis R. Rodriguez return 0; 964203c4805SLuis R. Rodriguez } 965203c4805SLuis R. Rodriguez 966203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 967203c4805SLuis R. Rodriguez static int 968203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode) 969203c4805SLuis R. Rodriguez { 970203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 971203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5112 *chan_pcal_info; 972203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *gen_chan_info; 973203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 974203c4805SLuis R. Rodriguez u32 offset; 975203c4805SLuis R. Rodriguez u8 i, c; 976203c4805SLuis R. Rodriguez u16 val; 977203c4805SLuis R. Rodriguez int ret; 978203c4805SLuis R. Rodriguez u8 pd_gains = 0; 979203c4805SLuis R. Rodriguez 980203c4805SLuis R. Rodriguez /* Count how many curves we have and 981203c4805SLuis R. Rodriguez * identify them (which one of the 4 982203c4805SLuis R. Rodriguez * available curves we have on each count). 983203c4805SLuis R. Rodriguez * Curves are stored from lower (x0) to 984203c4805SLuis R. Rodriguez * higher (x3) gain */ 985203c4805SLuis R. Rodriguez for (i = 0; i < AR5K_EEPROM_N_PD_CURVES; i++) { 986203c4805SLuis R. Rodriguez /* ee_x_gain[mode] is x gain mask */ 987203c4805SLuis R. Rodriguez if ((ee->ee_x_gain[mode] >> i) & 0x1) 988203c4805SLuis R. Rodriguez pdgain_idx[pd_gains++] = i; 989203c4805SLuis R. Rodriguez } 990203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = pd_gains; 991203c4805SLuis R. Rodriguez 992203c4805SLuis R. Rodriguez if (pd_gains == 0 || pd_gains > 2) 993203c4805SLuis R. Rodriguez return -EINVAL; 994203c4805SLuis R. Rodriguez 995203c4805SLuis R. Rodriguez switch (mode) { 996203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 997203c4805SLuis R. Rodriguez /* 998203c4805SLuis R. Rodriguez * Read 5GHz EEPROM channels 999203c4805SLuis R. Rodriguez */ 1000203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1001203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(ah, offset); 1002203c4805SLuis R. Rodriguez 1003203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 1004203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_a; 1005203c4805SLuis R. Rodriguez break; 1006203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1007203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1008203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1009203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP3_OFFSET; 1010203c4805SLuis R. Rodriguez 1011203c4805SLuis R. Rodriguez /* NB: frequency piers parsed during mode init */ 1012203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_b; 1013203c4805SLuis R. Rodriguez break; 1014203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1015203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1016203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1017203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP4_OFFSET; 1018203c4805SLuis R. Rodriguez else if (AR5K_EEPROM_HDR_11B(ee->ee_header)) 1019203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 1020203c4805SLuis R. Rodriguez 1021203c4805SLuis R. Rodriguez /* NB: frequency piers parsed during mode init */ 1022203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_g; 1023203c4805SLuis R. Rodriguez break; 1024203c4805SLuis R. Rodriguez default: 1025203c4805SLuis R. Rodriguez return -EINVAL; 1026203c4805SLuis R. Rodriguez } 1027203c4805SLuis R. Rodriguez 1028203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 1029203c4805SLuis R. Rodriguez chan_pcal_info = &gen_chan_info[i].rf5112_info; 1030203c4805SLuis R. Rodriguez 1031203c4805SLuis R. Rodriguez /* Power values in quarter dB 1032203c4805SLuis R. Rodriguez * for the lower xpd gain curve 1033203c4805SLuis R. Rodriguez * (0 dBm -> higher output power) */ 1034203c4805SLuis R. Rodriguez for (c = 0; c < AR5K_EEPROM_N_XPD0_POINTS; c++) { 1035203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1036203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x0[c] = (s8) (val & 0xff); 1037203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x0[++c] = (s8) ((val >> 8) & 0xff); 1038203c4805SLuis R. Rodriguez } 1039203c4805SLuis R. Rodriguez 1040203c4805SLuis R. Rodriguez /* PCDAC steps 1041203c4805SLuis R. Rodriguez * corresponding to the above power 1042203c4805SLuis R. Rodriguez * measurements */ 1043203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1044203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[1] = (val & 0x1f); 1045203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[2] = ((val >> 5) & 0x1f); 1046203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[3] = ((val >> 10) & 0x1f); 1047203c4805SLuis R. Rodriguez 1048203c4805SLuis R. Rodriguez /* Power values in quarter dB 1049203c4805SLuis R. Rodriguez * for the higher xpd gain curve 1050203c4805SLuis R. Rodriguez * (18 dBm -> lower output power) */ 1051203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1052203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[0] = (s8) (val & 0xff); 1053203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[1] = (s8) ((val >> 8) & 0xff); 1054203c4805SLuis R. Rodriguez 1055203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1056203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[2] = (val & 0xff); 1057203c4805SLuis R. Rodriguez 1058203c4805SLuis R. Rodriguez /* PCDAC steps 1059203c4805SLuis R. Rodriguez * corresponding to the above power 1060203c4805SLuis R. Rodriguez * measurements (fixed) */ 1061203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[0] = 20; 1062203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[1] = 35; 1063203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[2] = 63; 1064203c4805SLuis R. Rodriguez 1065203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) { 1066203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0x3f); 1067203c4805SLuis R. Rodriguez 1068203c4805SLuis R. Rodriguez /* Last xpd0 power level is also channel maximum */ 1069203c4805SLuis R. Rodriguez gen_chan_info[i].max_pwr = chan_pcal_info->pwr_x0[3]; 1070203c4805SLuis R. Rodriguez } else { 1071203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[0] = 1; 1072203c4805SLuis R. Rodriguez gen_chan_info[i].max_pwr = (s8) ((val >> 8) & 0xff); 1073203c4805SLuis R. Rodriguez } 1074203c4805SLuis R. Rodriguez 1075203c4805SLuis R. Rodriguez } 1076203c4805SLuis R. Rodriguez 1077203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_5112(ah, mode, gen_chan_info); 1078203c4805SLuis R. Rodriguez } 1079203c4805SLuis R. Rodriguez 1080203c4805SLuis R. Rodriguez 1081203c4805SLuis R. Rodriguez /* 1082203c4805SLuis R. Rodriguez * Read power calibration for RF2413 chips 1083203c4805SLuis R. Rodriguez * 1084203c4805SLuis R. Rodriguez * For RF2413 we have a Power to PDDAC table (Power Detector) 1085203c4805SLuis R. Rodriguez * instead of a PCDAC and 4 pd gain curves for each calibrated channel. 1086203c4805SLuis R. Rodriguez * Each curve has power on x axis in 0.5 db steps and PDDADC steps on y 1087203c4805SLuis R. Rodriguez * axis and looks like an exponential function like the RF5111 curve. 1088203c4805SLuis R. Rodriguez * 1089203c4805SLuis R. Rodriguez * To recreate the curves we read here the points and interpolate 1090203c4805SLuis R. Rodriguez * later. Note that in most cases only 2 (higher and lower) curves are 1091203c4805SLuis R. Rodriguez * used (like RF5112) but vendors have the oportunity to include all 1092203c4805SLuis R. Rodriguez * 4 curves on eeprom. The final curve (higher power) has an extra 1093203c4805SLuis R. Rodriguez * point for better accuracy like RF5112. 1094203c4805SLuis R. Rodriguez */ 1095203c4805SLuis R. Rodriguez 1096203c4805SLuis R. Rodriguez /* For RF2413 power calibration data doesn't start on a fixed location and 1097203c4805SLuis R. Rodriguez * if a mode is not supported, it's section is missing -not zeroed-. 1098203c4805SLuis R. Rodriguez * So we need to calculate the starting offset for each section by using 1099203c4805SLuis R. Rodriguez * these two functions */ 1100203c4805SLuis R. Rodriguez 1101203c4805SLuis R. Rodriguez /* Return the size of each section based on the mode and the number of pd 1102203c4805SLuis R. Rodriguez * gains available (maximum 4). */ 1103203c4805SLuis R. Rodriguez static inline unsigned int 1104203c4805SLuis R. Rodriguez ath5k_pdgains_size_2413(struct ath5k_eeprom_info *ee, unsigned int mode) 1105203c4805SLuis R. Rodriguez { 1106203c4805SLuis R. Rodriguez static const unsigned int pdgains_size[] = { 4, 6, 9, 12 }; 1107203c4805SLuis R. Rodriguez unsigned int sz; 1108203c4805SLuis R. Rodriguez 1109203c4805SLuis R. Rodriguez sz = pdgains_size[ee->ee_pd_gains[mode] - 1]; 1110203c4805SLuis R. Rodriguez sz *= ee->ee_n_piers[mode]; 1111203c4805SLuis R. Rodriguez 1112203c4805SLuis R. Rodriguez return sz; 1113203c4805SLuis R. Rodriguez } 1114203c4805SLuis R. Rodriguez 1115203c4805SLuis R. Rodriguez /* Return the starting offset for a section based on the modes supported 1116203c4805SLuis R. Rodriguez * and each section's size. */ 1117203c4805SLuis R. Rodriguez static unsigned int 1118203c4805SLuis R. Rodriguez ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode) 1119203c4805SLuis R. Rodriguez { 1120203c4805SLuis R. Rodriguez u32 offset = AR5K_EEPROM_CAL_DATA_START(ee->ee_misc4); 1121203c4805SLuis R. Rodriguez 1122203c4805SLuis R. Rodriguez switch(mode) { 1123203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1124203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11B(ee->ee_header)) 1125203c4805SLuis R. Rodriguez offset += ath5k_pdgains_size_2413(ee, 1126203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11B) + 1127203c4805SLuis R. Rodriguez AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1128203c4805SLuis R. Rodriguez /* fall through */ 1129203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1130203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1131203c4805SLuis R. Rodriguez offset += ath5k_pdgains_size_2413(ee, 1132203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11A) + 1133203c4805SLuis R. Rodriguez AR5K_EEPROM_N_5GHZ_CHAN / 2; 1134203c4805SLuis R. Rodriguez /* fall through */ 1135203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1136203c4805SLuis R. Rodriguez break; 1137203c4805SLuis R. Rodriguez default: 1138203c4805SLuis R. Rodriguez break; 1139203c4805SLuis R. Rodriguez } 1140203c4805SLuis R. Rodriguez 1141203c4805SLuis R. Rodriguez return offset; 1142203c4805SLuis R. Rodriguez } 1143203c4805SLuis R. Rodriguez 1144203c4805SLuis R. Rodriguez /* Convert RF2413 specific data to generic raw data 1145203c4805SLuis R. Rodriguez * used by interpolation code */ 1146203c4805SLuis R. Rodriguez static int 1147203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_2413(struct ath5k_hw *ah, int mode, 1148203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 1149203c4805SLuis R. Rodriguez { 1150203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1151203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf2413 *pcinfo; 1152203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1153203c4805SLuis R. Rodriguez unsigned int pier, pdg, point; 1154203c4805SLuis R. Rodriguez 1155203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 1156203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 1157203c4805SLuis R. Rodriguez 1158203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf2413_info; 1159203c4805SLuis R. Rodriguez 1160203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 1161203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 1162203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 1163203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 1164203c4805SLuis R. Rodriguez GFP_KERNEL); 1165203c4805SLuis R. Rodriguez 1166203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 1167203c4805SLuis R. Rodriguez return -ENOMEM; 1168203c4805SLuis R. Rodriguez 1169203c4805SLuis R. Rodriguez /* Fill pd_curves */ 1170203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 1171203c4805SLuis R. Rodriguez 1172203c4805SLuis R. Rodriguez u8 idx = pdgain_idx[pdg]; 1173203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 1174203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[idx]; 1175203c4805SLuis R. Rodriguez 1176203c4805SLuis R. Rodriguez /* One more point for the highest power 1177203c4805SLuis R. Rodriguez * curve (lowest gain) */ 1178203c4805SLuis R. Rodriguez if (pdg == ee->ee_pd_gains[mode] - 1) 1179203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PD_POINTS; 1180203c4805SLuis R. Rodriguez else 1181203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PD_POINTS - 1; 1182203c4805SLuis R. Rodriguez 1183203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 1184203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 1185203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 1186203c4805SLuis R. Rodriguez 1187203c4805SLuis R. Rodriguez if (!pd->pd_step) 1188203c4805SLuis R. Rodriguez return -ENOMEM; 1189203c4805SLuis R. Rodriguez 1190203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 1191203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 1192203c4805SLuis R. Rodriguez 1193203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 1194203c4805SLuis R. Rodriguez return -ENOMEM; 1195203c4805SLuis R. Rodriguez 1196203c4805SLuis R. Rodriguez /* Fill raw dataset 1197203c4805SLuis R. Rodriguez * convert all pwr levels to 1198203c4805SLuis R. Rodriguez * quarter dB for RF5112 combatibility */ 1199203c4805SLuis R. Rodriguez pd->pd_step[0] = pcinfo->pddac_i[pdg]; 1200203c4805SLuis R. Rodriguez pd->pd_pwr[0] = 4 * pcinfo->pwr_i[pdg]; 1201203c4805SLuis R. Rodriguez 1202203c4805SLuis R. Rodriguez for (point = 1; point < pd->pd_points; point++) { 1203203c4805SLuis R. Rodriguez 1204203c4805SLuis R. Rodriguez pd->pd_pwr[point] = pd->pd_pwr[point - 1] + 1205203c4805SLuis R. Rodriguez 2 * pcinfo->pwr[pdg][point - 1]; 1206203c4805SLuis R. Rodriguez 1207203c4805SLuis R. Rodriguez pd->pd_step[point] = pd->pd_step[point - 1] + 1208203c4805SLuis R. Rodriguez pcinfo->pddac[pdg][point - 1]; 1209203c4805SLuis R. Rodriguez 1210203c4805SLuis R. Rodriguez } 1211203c4805SLuis R. Rodriguez 1212203c4805SLuis R. Rodriguez /* Highest gain curve -> min power */ 1213203c4805SLuis R. Rodriguez if (pdg == 0) 1214203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 1215203c4805SLuis R. Rodriguez 1216203c4805SLuis R. Rodriguez /* Lowest gain curve -> max power */ 1217203c4805SLuis R. Rodriguez if (pdg == ee->ee_pd_gains[mode] - 1) 1218203c4805SLuis R. Rodriguez chinfo[pier].max_pwr = 1219203c4805SLuis R. Rodriguez pd->pd_pwr[pd->pd_points - 1]; 1220203c4805SLuis R. Rodriguez } 1221203c4805SLuis R. Rodriguez } 1222203c4805SLuis R. Rodriguez 1223203c4805SLuis R. Rodriguez return 0; 1224203c4805SLuis R. Rodriguez } 1225203c4805SLuis R. Rodriguez 1226203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 1227203c4805SLuis R. Rodriguez static int 1228203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode) 1229203c4805SLuis R. Rodriguez { 1230203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1231203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf2413 *pcinfo; 1232203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo; 1233203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1234203c4805SLuis R. Rodriguez u32 offset; 1235203c4805SLuis R. Rodriguez int idx, i, ret; 1236203c4805SLuis R. Rodriguez u16 val; 1237203c4805SLuis R. Rodriguez u8 pd_gains = 0; 1238203c4805SLuis R. Rodriguez 1239203c4805SLuis R. Rodriguez /* Count how many curves we have and 1240203c4805SLuis R. Rodriguez * identify them (which one of the 4 1241203c4805SLuis R. Rodriguez * available curves we have on each count). 1242203c4805SLuis R. Rodriguez * Curves are stored from higher to 1243203c4805SLuis R. Rodriguez * lower gain so we go backwards */ 1244203c4805SLuis R. Rodriguez for (idx = AR5K_EEPROM_N_PD_CURVES - 1; idx >= 0; idx--) { 1245203c4805SLuis R. Rodriguez /* ee_x_gain[mode] is x gain mask */ 1246203c4805SLuis R. Rodriguez if ((ee->ee_x_gain[mode] >> idx) & 0x1) 1247203c4805SLuis R. Rodriguez pdgain_idx[pd_gains++] = idx; 1248203c4805SLuis R. Rodriguez 1249203c4805SLuis R. Rodriguez } 1250203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = pd_gains; 1251203c4805SLuis R. Rodriguez 1252203c4805SLuis R. Rodriguez if (pd_gains == 0) 1253203c4805SLuis R. Rodriguez return -EINVAL; 1254203c4805SLuis R. Rodriguez 1255203c4805SLuis R. Rodriguez offset = ath5k_cal_data_offset_2413(ee, mode); 1256203c4805SLuis R. Rodriguez switch (mode) { 1257203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1258203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 1259203c4805SLuis R. Rodriguez return 0; 1260203c4805SLuis R. Rodriguez 1261203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(ah, offset); 1262203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_5GHZ_CHAN / 2; 1263203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_a; 1264203c4805SLuis R. Rodriguez break; 1265203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1266203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) 1267203c4805SLuis R. Rodriguez return 0; 1268203c4805SLuis R. Rodriguez 1269203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(ah, mode, offset); 1270203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1271203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_b; 1272203c4805SLuis R. Rodriguez break; 1273203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1274203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 1275203c4805SLuis R. Rodriguez return 0; 1276203c4805SLuis R. Rodriguez 1277203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(ah, mode, offset); 1278203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1279203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_g; 1280203c4805SLuis R. Rodriguez break; 1281203c4805SLuis R. Rodriguez default: 1282203c4805SLuis R. Rodriguez return -EINVAL; 1283203c4805SLuis R. Rodriguez } 1284203c4805SLuis R. Rodriguez 1285203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 1286203c4805SLuis R. Rodriguez pcinfo = &chinfo[i].rf2413_info; 1287203c4805SLuis R. Rodriguez 1288203c4805SLuis R. Rodriguez /* 1289203c4805SLuis R. Rodriguez * Read pwr_i, pddac_i and the first 1290203c4805SLuis R. Rodriguez * 2 pd points (pwr, pddac) 1291203c4805SLuis R. Rodriguez */ 1292203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1293203c4805SLuis R. Rodriguez pcinfo->pwr_i[0] = val & 0x1f; 1294203c4805SLuis R. Rodriguez pcinfo->pddac_i[0] = (val >> 5) & 0x7f; 1295203c4805SLuis R. Rodriguez pcinfo->pwr[0][0] = (val >> 12) & 0xf; 1296203c4805SLuis R. Rodriguez 1297203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1298203c4805SLuis R. Rodriguez pcinfo->pddac[0][0] = val & 0x3f; 1299203c4805SLuis R. Rodriguez pcinfo->pwr[0][1] = (val >> 6) & 0xf; 1300203c4805SLuis R. Rodriguez pcinfo->pddac[0][1] = (val >> 10) & 0x3f; 1301203c4805SLuis R. Rodriguez 1302203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1303203c4805SLuis R. Rodriguez pcinfo->pwr[0][2] = val & 0xf; 1304203c4805SLuis R. Rodriguez pcinfo->pddac[0][2] = (val >> 4) & 0x3f; 1305203c4805SLuis R. Rodriguez 1306203c4805SLuis R. Rodriguez pcinfo->pwr[0][3] = 0; 1307203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] = 0; 1308203c4805SLuis R. Rodriguez 1309203c4805SLuis R. Rodriguez if (pd_gains > 1) { 1310203c4805SLuis R. Rodriguez /* 1311203c4805SLuis R. Rodriguez * Pd gain 0 is not the last pd gain 1312203c4805SLuis R. Rodriguez * so it only has 2 pd points. 1313203c4805SLuis R. Rodriguez * Continue wih pd gain 1. 1314203c4805SLuis R. Rodriguez */ 1315203c4805SLuis R. Rodriguez pcinfo->pwr_i[1] = (val >> 10) & 0x1f; 1316203c4805SLuis R. Rodriguez 1317203c4805SLuis R. Rodriguez pcinfo->pddac_i[1] = (val >> 15) & 0x1; 1318203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1319203c4805SLuis R. Rodriguez pcinfo->pddac_i[1] |= (val & 0x3F) << 1; 1320203c4805SLuis R. Rodriguez 1321203c4805SLuis R. Rodriguez pcinfo->pwr[1][0] = (val >> 6) & 0xf; 1322203c4805SLuis R. Rodriguez pcinfo->pddac[1][0] = (val >> 10) & 0x3f; 1323203c4805SLuis R. Rodriguez 1324203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1325203c4805SLuis R. Rodriguez pcinfo->pwr[1][1] = val & 0xf; 1326203c4805SLuis R. Rodriguez pcinfo->pddac[1][1] = (val >> 4) & 0x3f; 1327203c4805SLuis R. Rodriguez pcinfo->pwr[1][2] = (val >> 10) & 0xf; 1328203c4805SLuis R. Rodriguez 1329203c4805SLuis R. Rodriguez pcinfo->pddac[1][2] = (val >> 14) & 0x3; 1330203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1331203c4805SLuis R. Rodriguez pcinfo->pddac[1][2] |= (val & 0xF) << 2; 1332203c4805SLuis R. Rodriguez 1333203c4805SLuis R. Rodriguez pcinfo->pwr[1][3] = 0; 1334203c4805SLuis R. Rodriguez pcinfo->pddac[1][3] = 0; 1335203c4805SLuis R. Rodriguez } else if (pd_gains == 1) { 1336203c4805SLuis R. Rodriguez /* 1337203c4805SLuis R. Rodriguez * Pd gain 0 is the last one so 1338203c4805SLuis R. Rodriguez * read the extra point. 1339203c4805SLuis R. Rodriguez */ 1340203c4805SLuis R. Rodriguez pcinfo->pwr[0][3] = (val >> 10) & 0xf; 1341203c4805SLuis R. Rodriguez 1342203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] = (val >> 14) & 0x3; 1343203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1344203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] |= (val & 0xF) << 2; 1345203c4805SLuis R. Rodriguez } 1346203c4805SLuis R. Rodriguez 1347203c4805SLuis R. Rodriguez /* 1348203c4805SLuis R. Rodriguez * Proceed with the other pd_gains 1349203c4805SLuis R. Rodriguez * as above. 1350203c4805SLuis R. Rodriguez */ 1351203c4805SLuis R. Rodriguez if (pd_gains > 2) { 1352203c4805SLuis R. Rodriguez pcinfo->pwr_i[2] = (val >> 4) & 0x1f; 1353203c4805SLuis R. Rodriguez pcinfo->pddac_i[2] = (val >> 9) & 0x7f; 1354203c4805SLuis R. Rodriguez 1355203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1356203c4805SLuis R. Rodriguez pcinfo->pwr[2][0] = (val >> 0) & 0xf; 1357203c4805SLuis R. Rodriguez pcinfo->pddac[2][0] = (val >> 4) & 0x3f; 1358203c4805SLuis R. Rodriguez pcinfo->pwr[2][1] = (val >> 10) & 0xf; 1359203c4805SLuis R. Rodriguez 1360203c4805SLuis R. Rodriguez pcinfo->pddac[2][1] = (val >> 14) & 0x3; 1361203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1362203c4805SLuis R. Rodriguez pcinfo->pddac[2][1] |= (val & 0xF) << 2; 1363203c4805SLuis R. Rodriguez 1364203c4805SLuis R. Rodriguez pcinfo->pwr[2][2] = (val >> 4) & 0xf; 1365203c4805SLuis R. Rodriguez pcinfo->pddac[2][2] = (val >> 8) & 0x3f; 1366203c4805SLuis R. Rodriguez 1367203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] = 0; 1368203c4805SLuis R. Rodriguez pcinfo->pddac[2][3] = 0; 1369203c4805SLuis R. Rodriguez } else if (pd_gains == 2) { 1370203c4805SLuis R. Rodriguez pcinfo->pwr[1][3] = (val >> 4) & 0xf; 1371203c4805SLuis R. Rodriguez pcinfo->pddac[1][3] = (val >> 8) & 0x3f; 1372203c4805SLuis R. Rodriguez } 1373203c4805SLuis R. Rodriguez 1374203c4805SLuis R. Rodriguez if (pd_gains > 3) { 1375203c4805SLuis R. Rodriguez pcinfo->pwr_i[3] = (val >> 14) & 0x3; 1376203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1377203c4805SLuis R. Rodriguez pcinfo->pwr_i[3] |= ((val >> 0) & 0x7) << 2; 1378203c4805SLuis R. Rodriguez 1379203c4805SLuis R. Rodriguez pcinfo->pddac_i[3] = (val >> 3) & 0x7f; 1380203c4805SLuis R. Rodriguez pcinfo->pwr[3][0] = (val >> 10) & 0xf; 1381203c4805SLuis R. Rodriguez pcinfo->pddac[3][0] = (val >> 14) & 0x3; 1382203c4805SLuis R. Rodriguez 1383203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1384203c4805SLuis R. Rodriguez pcinfo->pddac[3][0] |= (val & 0xF) << 2; 1385203c4805SLuis R. Rodriguez pcinfo->pwr[3][1] = (val >> 4) & 0xf; 1386203c4805SLuis R. Rodriguez pcinfo->pddac[3][1] = (val >> 8) & 0x3f; 1387203c4805SLuis R. Rodriguez 1388203c4805SLuis R. Rodriguez pcinfo->pwr[3][2] = (val >> 14) & 0x3; 1389203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1390203c4805SLuis R. Rodriguez pcinfo->pwr[3][2] |= ((val >> 0) & 0x3) << 2; 1391203c4805SLuis R. Rodriguez 1392203c4805SLuis R. Rodriguez pcinfo->pddac[3][2] = (val >> 2) & 0x3f; 1393203c4805SLuis R. Rodriguez pcinfo->pwr[3][3] = (val >> 8) & 0xf; 1394203c4805SLuis R. Rodriguez 1395203c4805SLuis R. Rodriguez pcinfo->pddac[3][3] = (val >> 12) & 0xF; 1396203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1397203c4805SLuis R. Rodriguez pcinfo->pddac[3][3] |= ((val >> 0) & 0x3) << 4; 1398203c4805SLuis R. Rodriguez } else if (pd_gains == 3) { 1399203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] = (val >> 14) & 0x3; 1400203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1401203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] |= ((val >> 0) & 0x3) << 2; 1402203c4805SLuis R. Rodriguez 1403203c4805SLuis R. Rodriguez pcinfo->pddac[2][3] = (val >> 2) & 0x3f; 1404203c4805SLuis R. Rodriguez } 1405203c4805SLuis R. Rodriguez } 1406203c4805SLuis R. Rodriguez 1407203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_2413(ah, mode, chinfo); 1408203c4805SLuis R. Rodriguez } 1409203c4805SLuis R. Rodriguez 1410203c4805SLuis R. Rodriguez 1411203c4805SLuis R. Rodriguez /* 1412203c4805SLuis R. Rodriguez * Read per rate target power (this is the maximum tx power 1413203c4805SLuis R. Rodriguez * supported by the card). This info is used when setting 1414203c4805SLuis R. Rodriguez * tx power, no matter the channel. 1415203c4805SLuis R. Rodriguez * 1416203c4805SLuis R. Rodriguez * This also works for v5 EEPROMs. 1417203c4805SLuis R. Rodriguez */ 1418203c4805SLuis R. Rodriguez static int 1419203c4805SLuis R. Rodriguez ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode) 1420203c4805SLuis R. Rodriguez { 1421203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1422203c4805SLuis R. Rodriguez struct ath5k_rate_pcal_info *rate_pcal_info; 1423203c4805SLuis R. Rodriguez u8 *rate_target_pwr_num; 1424203c4805SLuis R. Rodriguez u32 offset; 1425203c4805SLuis R. Rodriguez u16 val; 1426203c4805SLuis R. Rodriguez int ret, i; 1427203c4805SLuis R. Rodriguez 1428203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1); 1429203c4805SLuis R. Rodriguez rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode]; 1430203c4805SLuis R. Rodriguez switch (mode) { 1431203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1432203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version); 1433203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_a; 1434203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_CHAN; 1435203c4805SLuis R. Rodriguez break; 1436203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1437203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version); 1438203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_b; 1439203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = 2; /* 3rd is g mode's 1st */ 1440203c4805SLuis R. Rodriguez break; 1441203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1442203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11G(ee->ee_version); 1443203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_g; 1444203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_2GHZ_CHAN; 1445203c4805SLuis R. Rodriguez break; 1446203c4805SLuis R. Rodriguez default: 1447203c4805SLuis R. Rodriguez return -EINVAL; 1448203c4805SLuis R. Rodriguez } 1449203c4805SLuis R. Rodriguez 1450203c4805SLuis R. Rodriguez /* Different freq mask for older eeproms (<= v3.2) */ 1451203c4805SLuis R. Rodriguez if (ee->ee_version <= AR5K_EEPROM_VERSION_3_2) { 1452203c4805SLuis R. Rodriguez for (i = 0; i < (*rate_target_pwr_num); i++) { 1453203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1454203c4805SLuis R. Rodriguez rate_pcal_info[i].freq = 1455203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 9) & 0x7f, mode); 1456203c4805SLuis R. Rodriguez 1457203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_6to24 = ((val >> 3) & 0x3f); 1458203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 = (val << 3) & 0x3f; 1459203c4805SLuis R. Rodriguez 1460203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1461203c4805SLuis R. Rodriguez 1462203c4805SLuis R. Rodriguez if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || 1463203c4805SLuis R. Rodriguez val == 0) { 1464203c4805SLuis R. Rodriguez (*rate_target_pwr_num) = i; 1465203c4805SLuis R. Rodriguez break; 1466203c4805SLuis R. Rodriguez } 1467203c4805SLuis R. Rodriguez 1468203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 |= ((val >> 13) & 0x7); 1469203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_48 = ((val >> 7) & 0x3f); 1470203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_54 = ((val >> 1) & 0x3f); 1471203c4805SLuis R. Rodriguez } 1472203c4805SLuis R. Rodriguez } else { 1473203c4805SLuis R. Rodriguez for (i = 0; i < (*rate_target_pwr_num); i++) { 1474203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1475203c4805SLuis R. Rodriguez rate_pcal_info[i].freq = 1476203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 1477203c4805SLuis R. Rodriguez 1478203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_6to24 = ((val >> 2) & 0x3f); 1479203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 = (val << 4) & 0x3f; 1480203c4805SLuis R. Rodriguez 1481203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1482203c4805SLuis R. Rodriguez 1483203c4805SLuis R. Rodriguez if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || 1484203c4805SLuis R. Rodriguez val == 0) { 1485203c4805SLuis R. Rodriguez (*rate_target_pwr_num) = i; 1486203c4805SLuis R. Rodriguez break; 1487203c4805SLuis R. Rodriguez } 1488203c4805SLuis R. Rodriguez 1489203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 |= (val >> 12) & 0xf; 1490203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_48 = ((val >> 6) & 0x3f); 1491203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_54 = (val & 0x3f); 1492203c4805SLuis R. Rodriguez } 1493203c4805SLuis R. Rodriguez } 1494203c4805SLuis R. Rodriguez 1495203c4805SLuis R. Rodriguez return 0; 1496203c4805SLuis R. Rodriguez } 1497203c4805SLuis R. Rodriguez 1498203c4805SLuis R. Rodriguez /* 1499203c4805SLuis R. Rodriguez * Read per channel calibration info from EEPROM 1500203c4805SLuis R. Rodriguez * 1501203c4805SLuis R. Rodriguez * This info is used to calibrate the baseband power table. Imagine 1502203c4805SLuis R. Rodriguez * that for each channel there is a power curve that's hw specific 1503203c4805SLuis R. Rodriguez * (depends on amplifier etc) and we try to "correct" this curve using 1504203c4805SLuis R. Rodriguez * offests we pass on to phy chip (baseband -> before amplifier) so that 1505203c4805SLuis R. Rodriguez * it can use accurate power values when setting tx power (takes amplifier's 1506203c4805SLuis R. Rodriguez * performance on each channel into account). 1507203c4805SLuis R. Rodriguez * 1508203c4805SLuis R. Rodriguez * EEPROM provides us with the offsets for some pre-calibrated channels 1509203c4805SLuis R. Rodriguez * and we have to interpolate to create the full table for these channels and 1510203c4805SLuis R. Rodriguez * also the table for any channel. 1511203c4805SLuis R. Rodriguez */ 1512203c4805SLuis R. Rodriguez static int 1513203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah) 1514203c4805SLuis R. Rodriguez { 1515203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1516203c4805SLuis R. Rodriguez int (*read_pcal)(struct ath5k_hw *hw, int mode); 1517203c4805SLuis R. Rodriguez int mode; 1518203c4805SLuis R. Rodriguez int err; 1519203c4805SLuis R. Rodriguez 1520203c4805SLuis R. Rodriguez if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) && 1521203c4805SLuis R. Rodriguez (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 1)) 1522203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_5112; 1523203c4805SLuis R. Rodriguez else if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_0) && 1524203c4805SLuis R. Rodriguez (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 2)) 1525203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_2413; 1526203c4805SLuis R. Rodriguez else 1527203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_5111; 1528203c4805SLuis R. Rodriguez 1529203c4805SLuis R. Rodriguez 1530203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; 1531203c4805SLuis R. Rodriguez mode++) { 1532203c4805SLuis R. Rodriguez err = read_pcal(ah, mode); 1533203c4805SLuis R. Rodriguez if (err) 1534203c4805SLuis R. Rodriguez return err; 1535203c4805SLuis R. Rodriguez 1536203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_target_rate_pwr_info(ah, mode); 1537203c4805SLuis R. Rodriguez if (err < 0) 1538203c4805SLuis R. Rodriguez return err; 1539203c4805SLuis R. Rodriguez } 1540203c4805SLuis R. Rodriguez 1541203c4805SLuis R. Rodriguez return 0; 1542203c4805SLuis R. Rodriguez } 1543203c4805SLuis R. Rodriguez 1544203c4805SLuis R. Rodriguez static int 1545203c4805SLuis R. Rodriguez ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode) 1546203c4805SLuis R. Rodriguez { 1547203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1548203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo; 1549203c4805SLuis R. Rodriguez u8 pier, pdg; 1550203c4805SLuis R. Rodriguez 1551203c4805SLuis R. Rodriguez switch (mode) { 1552203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1553203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 1554203c4805SLuis R. Rodriguez return 0; 1555203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_a; 1556203c4805SLuis R. Rodriguez break; 1557203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1558203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) 1559203c4805SLuis R. Rodriguez return 0; 1560203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_b; 1561203c4805SLuis R. Rodriguez break; 1562203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1563203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 1564203c4805SLuis R. Rodriguez return 0; 1565203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_g; 1566203c4805SLuis R. Rodriguez break; 1567203c4805SLuis R. Rodriguez default: 1568203c4805SLuis R. Rodriguez return -EINVAL; 1569203c4805SLuis R. Rodriguez } 1570203c4805SLuis R. Rodriguez 1571203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 1572203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 1573203c4805SLuis R. Rodriguez continue; 1574203c4805SLuis R. Rodriguez 1575203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 1576203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 1577203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[pdg]; 1578203c4805SLuis R. Rodriguez 1579203c4805SLuis R. Rodriguez if (pd != NULL) { 1580203c4805SLuis R. Rodriguez kfree(pd->pd_step); 1581203c4805SLuis R. Rodriguez kfree(pd->pd_pwr); 1582203c4805SLuis R. Rodriguez } 1583203c4805SLuis R. Rodriguez } 1584203c4805SLuis R. Rodriguez 1585203c4805SLuis R. Rodriguez kfree(chinfo[pier].pd_curves); 1586203c4805SLuis R. Rodriguez } 1587203c4805SLuis R. Rodriguez 1588203c4805SLuis R. Rodriguez return 0; 1589203c4805SLuis R. Rodriguez } 1590203c4805SLuis R. Rodriguez 1591203c4805SLuis R. Rodriguez void 1592203c4805SLuis R. Rodriguez ath5k_eeprom_detach(struct ath5k_hw *ah) 1593203c4805SLuis R. Rodriguez { 1594203c4805SLuis R. Rodriguez u8 mode; 1595203c4805SLuis R. Rodriguez 1596203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) 1597203c4805SLuis R. Rodriguez ath5k_eeprom_free_pcal_info(ah, mode); 1598203c4805SLuis R. Rodriguez } 1599203c4805SLuis R. Rodriguez 1600203c4805SLuis R. Rodriguez /* Read conformance test limits used for regulatory control */ 1601203c4805SLuis R. Rodriguez static int 1602203c4805SLuis R. Rodriguez ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah) 1603203c4805SLuis R. Rodriguez { 1604203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1605203c4805SLuis R. Rodriguez struct ath5k_edge_power *rep; 1606203c4805SLuis R. Rodriguez unsigned int fmask, pmask; 1607203c4805SLuis R. Rodriguez unsigned int ctl_mode; 1608203c4805SLuis R. Rodriguez int ret, i, j; 1609203c4805SLuis R. Rodriguez u32 offset; 1610203c4805SLuis R. Rodriguez u16 val; 1611203c4805SLuis R. Rodriguez 1612203c4805SLuis R. Rodriguez pmask = AR5K_EEPROM_POWER_M; 1613203c4805SLuis R. Rodriguez fmask = AR5K_EEPROM_FREQ_M(ee->ee_version); 1614203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_CTL(ee->ee_version); 1615203c4805SLuis R. Rodriguez ee->ee_ctls = AR5K_EEPROM_N_CTLS(ee->ee_version); 1616203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_ctls; i += 2) { 1617203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1618203c4805SLuis R. Rodriguez ee->ee_ctl[i] = (val >> 8) & 0xff; 1619203c4805SLuis R. Rodriguez ee->ee_ctl[i + 1] = val & 0xff; 1620203c4805SLuis R. Rodriguez } 1621203c4805SLuis R. Rodriguez 1622203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUP8_OFFSET; 1623203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_0) 1624203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1) - 1625203c4805SLuis R. Rodriguez AR5K_EEPROM_GROUP5_OFFSET; 1626203c4805SLuis R. Rodriguez else 1627203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUPS_START(ee->ee_version); 1628203c4805SLuis R. Rodriguez 1629203c4805SLuis R. Rodriguez rep = ee->ee_ctl_pwr; 1630203c4805SLuis R. Rodriguez for(i = 0; i < ee->ee_ctls; i++) { 1631203c4805SLuis R. Rodriguez switch(ee->ee_ctl[i] & AR5K_CTL_MODE_M) { 1632203c4805SLuis R. Rodriguez case AR5K_CTL_11A: 1633203c4805SLuis R. Rodriguez case AR5K_CTL_TURBO: 1634203c4805SLuis R. Rodriguez ctl_mode = AR5K_EEPROM_MODE_11A; 1635203c4805SLuis R. Rodriguez break; 1636203c4805SLuis R. Rodriguez default: 1637203c4805SLuis R. Rodriguez ctl_mode = AR5K_EEPROM_MODE_11G; 1638203c4805SLuis R. Rodriguez break; 1639203c4805SLuis R. Rodriguez } 1640203c4805SLuis R. Rodriguez if (ee->ee_ctl[i] == 0) { 1641203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) 1642203c4805SLuis R. Rodriguez offset += 8; 1643203c4805SLuis R. Rodriguez else 1644203c4805SLuis R. Rodriguez offset += 7; 1645203c4805SLuis R. Rodriguez rep += AR5K_EEPROM_N_EDGES; 1646203c4805SLuis R. Rodriguez continue; 1647203c4805SLuis R. Rodriguez } 1648203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { 1649203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { 1650203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1651203c4805SLuis R. Rodriguez rep[j].freq = (val >> 8) & fmask; 1652203c4805SLuis R. Rodriguez rep[j + 1].freq = val & fmask; 1653203c4805SLuis R. Rodriguez } 1654203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { 1655203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1656203c4805SLuis R. Rodriguez rep[j].edge = (val >> 8) & pmask; 1657203c4805SLuis R. Rodriguez rep[j].flag = (val >> 14) & 1; 1658203c4805SLuis R. Rodriguez rep[j + 1].edge = val & pmask; 1659203c4805SLuis R. Rodriguez rep[j + 1].flag = (val >> 6) & 1; 1660203c4805SLuis R. Rodriguez } 1661203c4805SLuis R. Rodriguez } else { 1662203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1663203c4805SLuis R. Rodriguez rep[0].freq = (val >> 9) & fmask; 1664203c4805SLuis R. Rodriguez rep[1].freq = (val >> 2) & fmask; 1665203c4805SLuis R. Rodriguez rep[2].freq = (val << 5) & fmask; 1666203c4805SLuis R. Rodriguez 1667203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1668203c4805SLuis R. Rodriguez rep[2].freq |= (val >> 11) & 0x1f; 1669203c4805SLuis R. Rodriguez rep[3].freq = (val >> 4) & fmask; 1670203c4805SLuis R. Rodriguez rep[4].freq = (val << 3) & fmask; 1671203c4805SLuis R. Rodriguez 1672203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1673203c4805SLuis R. Rodriguez rep[4].freq |= (val >> 13) & 0x7; 1674203c4805SLuis R. Rodriguez rep[5].freq = (val >> 6) & fmask; 1675203c4805SLuis R. Rodriguez rep[6].freq = (val << 1) & fmask; 1676203c4805SLuis R. Rodriguez 1677203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1678203c4805SLuis R. Rodriguez rep[6].freq |= (val >> 15) & 0x1; 1679203c4805SLuis R. Rodriguez rep[7].freq = (val >> 8) & fmask; 1680203c4805SLuis R. Rodriguez 1681203c4805SLuis R. Rodriguez rep[0].edge = (val >> 2) & pmask; 1682203c4805SLuis R. Rodriguez rep[1].edge = (val << 4) & pmask; 1683203c4805SLuis R. Rodriguez 1684203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1685203c4805SLuis R. Rodriguez rep[1].edge |= (val >> 12) & 0xf; 1686203c4805SLuis R. Rodriguez rep[2].edge = (val >> 6) & pmask; 1687203c4805SLuis R. Rodriguez rep[3].edge = val & pmask; 1688203c4805SLuis R. Rodriguez 1689203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1690203c4805SLuis R. Rodriguez rep[4].edge = (val >> 10) & pmask; 1691203c4805SLuis R. Rodriguez rep[5].edge = (val >> 4) & pmask; 1692203c4805SLuis R. Rodriguez rep[6].edge = (val << 2) & pmask; 1693203c4805SLuis R. Rodriguez 1694203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1695203c4805SLuis R. Rodriguez rep[6].edge |= (val >> 14) & 0x3; 1696203c4805SLuis R. Rodriguez rep[7].edge = (val >> 8) & pmask; 1697203c4805SLuis R. Rodriguez } 1698203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j++) { 1699203c4805SLuis R. Rodriguez rep[j].freq = ath5k_eeprom_bin2freq(ee, 1700203c4805SLuis R. Rodriguez rep[j].freq, ctl_mode); 1701203c4805SLuis R. Rodriguez } 1702203c4805SLuis R. Rodriguez rep += AR5K_EEPROM_N_EDGES; 1703203c4805SLuis R. Rodriguez } 1704203c4805SLuis R. Rodriguez 1705203c4805SLuis R. Rodriguez return 0; 1706203c4805SLuis R. Rodriguez } 1707203c4805SLuis R. Rodriguez 1708cd417519SNick Kossifidis static int 1709cd417519SNick Kossifidis ath5k_eeprom_read_spur_chans(struct ath5k_hw *ah) 1710cd417519SNick Kossifidis { 1711cd417519SNick Kossifidis struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1712cd417519SNick Kossifidis u32 offset; 1713cd417519SNick Kossifidis u16 val; 1714cd417519SNick Kossifidis int ret = 0, i; 1715cd417519SNick Kossifidis 1716cd417519SNick Kossifidis offset = AR5K_EEPROM_CTL(ee->ee_version) + 1717cd417519SNick Kossifidis AR5K_EEPROM_N_CTLS(ee->ee_version); 1718cd417519SNick Kossifidis 1719cd417519SNick Kossifidis if (ee->ee_version < AR5K_EEPROM_VERSION_5_3) { 1720cd417519SNick Kossifidis /* No spur info for 5GHz */ 1721cd417519SNick Kossifidis ee->ee_spur_chans[0][0] = AR5K_EEPROM_NO_SPUR; 1722cd417519SNick Kossifidis /* 2 channels for 2GHz (2464/2420) */ 1723cd417519SNick Kossifidis ee->ee_spur_chans[0][1] = AR5K_EEPROM_5413_SPUR_CHAN_1; 1724cd417519SNick Kossifidis ee->ee_spur_chans[1][1] = AR5K_EEPROM_5413_SPUR_CHAN_2; 1725cd417519SNick Kossifidis ee->ee_spur_chans[2][1] = AR5K_EEPROM_NO_SPUR; 1726cd417519SNick Kossifidis } else if (ee->ee_version >= AR5K_EEPROM_VERSION_5_3) { 1727cd417519SNick Kossifidis for (i = 0; i < AR5K_EEPROM_N_SPUR_CHANS; i++) { 1728cd417519SNick Kossifidis AR5K_EEPROM_READ(offset, val); 1729cd417519SNick Kossifidis ee->ee_spur_chans[i][0] = val; 1730cd417519SNick Kossifidis AR5K_EEPROM_READ(offset + AR5K_EEPROM_N_SPUR_CHANS, 1731cd417519SNick Kossifidis val); 1732cd417519SNick Kossifidis ee->ee_spur_chans[i][1] = val; 1733cd417519SNick Kossifidis offset++; 1734cd417519SNick Kossifidis } 1735cd417519SNick Kossifidis } 1736cd417519SNick Kossifidis 1737cd417519SNick Kossifidis return ret; 1738cd417519SNick Kossifidis } 1739203c4805SLuis R. Rodriguez 1740203c4805SLuis R. Rodriguez /* 1741cd417519SNick Kossifidis * Initialize eeprom data structure 1742203c4805SLuis R. Rodriguez */ 1743203c4805SLuis R. Rodriguez int 1744203c4805SLuis R. Rodriguez ath5k_eeprom_init(struct ath5k_hw *ah) 1745203c4805SLuis R. Rodriguez { 1746203c4805SLuis R. Rodriguez int err; 1747203c4805SLuis R. Rodriguez 1748203c4805SLuis R. Rodriguez err = ath5k_eeprom_init_header(ah); 1749203c4805SLuis R. Rodriguez if (err < 0) 1750203c4805SLuis R. Rodriguez return err; 1751203c4805SLuis R. Rodriguez 1752203c4805SLuis R. Rodriguez err = ath5k_eeprom_init_modes(ah); 1753203c4805SLuis R. Rodriguez if (err < 0) 1754203c4805SLuis R. Rodriguez return err; 1755203c4805SLuis R. Rodriguez 1756203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_pcal_info(ah); 1757203c4805SLuis R. Rodriguez if (err < 0) 1758203c4805SLuis R. Rodriguez return err; 1759203c4805SLuis R. Rodriguez 1760203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_ctl_info(ah); 1761203c4805SLuis R. Rodriguez if (err < 0) 1762203c4805SLuis R. Rodriguez return err; 1763203c4805SLuis R. Rodriguez 1764cd417519SNick Kossifidis err = ath5k_eeprom_read_spur_chans(ah); 1765cd417519SNick Kossifidis if (err < 0) 1766cd417519SNick Kossifidis return err; 1767cd417519SNick Kossifidis 1768203c4805SLuis R. Rodriguez return 0; 1769203c4805SLuis R. Rodriguez } 1770203c4805SLuis R. Rodriguez 1771203c4805SLuis R. Rodriguez /* 1772203c4805SLuis R. Rodriguez * Read the MAC address from eeprom 1773203c4805SLuis R. Rodriguez */ 1774203c4805SLuis R. Rodriguez int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac) 1775203c4805SLuis R. Rodriguez { 1776203c4805SLuis R. Rodriguez u8 mac_d[ETH_ALEN] = {}; 1777203c4805SLuis R. Rodriguez u32 total, offset; 1778203c4805SLuis R. Rodriguez u16 data; 1779203c4805SLuis R. Rodriguez int octet, ret; 1780203c4805SLuis R. Rodriguez 1781203c4805SLuis R. Rodriguez ret = ath5k_hw_eeprom_read(ah, 0x20, &data); 1782203c4805SLuis R. Rodriguez if (ret) 1783203c4805SLuis R. Rodriguez return ret; 1784203c4805SLuis R. Rodriguez 1785203c4805SLuis R. Rodriguez for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) { 1786203c4805SLuis R. Rodriguez ret = ath5k_hw_eeprom_read(ah, offset, &data); 1787203c4805SLuis R. Rodriguez if (ret) 1788203c4805SLuis R. Rodriguez return ret; 1789203c4805SLuis R. Rodriguez 1790203c4805SLuis R. Rodriguez total += data; 1791203c4805SLuis R. Rodriguez mac_d[octet + 1] = data & 0xff; 1792203c4805SLuis R. Rodriguez mac_d[octet] = data >> 8; 1793203c4805SLuis R. Rodriguez octet += 2; 1794203c4805SLuis R. Rodriguez } 1795203c4805SLuis R. Rodriguez 1796203c4805SLuis R. Rodriguez if (!total || total == 3 * 0xffff) 1797203c4805SLuis R. Rodriguez return -EINVAL; 1798203c4805SLuis R. Rodriguez 1799203c4805SLuis R. Rodriguez memcpy(mac, mac_d, ETH_ALEN); 1800203c4805SLuis R. Rodriguez 1801203c4805SLuis R. Rodriguez return 0; 1802203c4805SLuis R. Rodriguez } 1803