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 245a0e3ad6STejun Heo #include <linux/slab.h> 255a0e3ad6STejun Heo 26203c4805SLuis R. Rodriguez #include "ath5k.h" 27203c4805SLuis R. Rodriguez #include "reg.h" 28203c4805SLuis R. Rodriguez #include "debug.h" 29203c4805SLuis R. Rodriguez #include "base.h" 30203c4805SLuis R. Rodriguez 31203c4805SLuis R. Rodriguez /* 32203c4805SLuis R. Rodriguez * Read from eeprom 33203c4805SLuis R. Rodriguez */ 34203c4805SLuis R. Rodriguez static int ath5k_hw_eeprom_read(struct ath5k_hw *ah, u32 offset, u16 *data) 35203c4805SLuis R. Rodriguez { 36203c4805SLuis R. Rodriguez u32 status, timeout; 37203c4805SLuis R. Rodriguez 38203c4805SLuis R. Rodriguez /* 39203c4805SLuis R. Rodriguez * Initialize EEPROM access 40203c4805SLuis R. Rodriguez */ 41203c4805SLuis R. Rodriguez if (ah->ah_version == AR5K_AR5210) { 42203c4805SLuis R. Rodriguez AR5K_REG_ENABLE_BITS(ah, AR5K_PCICFG, AR5K_PCICFG_EEAE); 43203c4805SLuis R. Rodriguez (void)ath5k_hw_reg_read(ah, AR5K_EEPROM_BASE + (4 * offset)); 44203c4805SLuis R. Rodriguez } else { 45203c4805SLuis R. Rodriguez ath5k_hw_reg_write(ah, offset, AR5K_EEPROM_BASE); 46203c4805SLuis R. Rodriguez AR5K_REG_ENABLE_BITS(ah, AR5K_EEPROM_CMD, 47203c4805SLuis R. Rodriguez AR5K_EEPROM_CMD_READ); 48203c4805SLuis R. Rodriguez } 49203c4805SLuis R. Rodriguez 50203c4805SLuis R. Rodriguez for (timeout = AR5K_TUNE_REGISTER_TIMEOUT; timeout > 0; timeout--) { 51203c4805SLuis R. Rodriguez status = ath5k_hw_reg_read(ah, AR5K_EEPROM_STATUS); 52203c4805SLuis R. Rodriguez if (status & AR5K_EEPROM_STAT_RDDONE) { 53203c4805SLuis R. Rodriguez if (status & AR5K_EEPROM_STAT_RDERR) 54203c4805SLuis R. Rodriguez return -EIO; 55203c4805SLuis R. Rodriguez *data = (u16)(ath5k_hw_reg_read(ah, AR5K_EEPROM_DATA) & 56203c4805SLuis R. Rodriguez 0xffff); 57203c4805SLuis R. Rodriguez return 0; 58203c4805SLuis R. Rodriguez } 59203c4805SLuis R. Rodriguez udelay(15); 60203c4805SLuis R. Rodriguez } 61203c4805SLuis R. Rodriguez 62203c4805SLuis R. Rodriguez return -ETIMEDOUT; 63203c4805SLuis R. Rodriguez } 64203c4805SLuis R. Rodriguez 65203c4805SLuis R. Rodriguez /* 66203c4805SLuis R. Rodriguez * Translate binary channel representation in EEPROM to frequency 67203c4805SLuis R. Rodriguez */ 68203c4805SLuis R. Rodriguez static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin, 69203c4805SLuis R. Rodriguez unsigned int mode) 70203c4805SLuis R. Rodriguez { 71203c4805SLuis R. Rodriguez u16 val; 72203c4805SLuis R. Rodriguez 73203c4805SLuis R. Rodriguez if (bin == AR5K_EEPROM_CHANNEL_DIS) 74203c4805SLuis R. Rodriguez return bin; 75203c4805SLuis R. Rodriguez 76203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11A) { 77203c4805SLuis R. Rodriguez if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) 78203c4805SLuis R. Rodriguez val = (5 * bin) + 4800; 79203c4805SLuis R. Rodriguez else 80203c4805SLuis R. Rodriguez val = bin > 62 ? (10 * 62) + (5 * (bin - 62)) + 5100 : 81203c4805SLuis R. Rodriguez (bin * 10) + 5100; 82203c4805SLuis R. Rodriguez } else { 83203c4805SLuis R. Rodriguez if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) 84203c4805SLuis R. Rodriguez val = bin + 2300; 85203c4805SLuis R. Rodriguez else 86203c4805SLuis R. Rodriguez val = bin + 2400; 87203c4805SLuis R. Rodriguez } 88203c4805SLuis R. Rodriguez 89203c4805SLuis R. Rodriguez return val; 90203c4805SLuis R. Rodriguez } 91203c4805SLuis R. Rodriguez 92203c4805SLuis R. Rodriguez /* 93203c4805SLuis R. Rodriguez * Initialize eeprom & capabilities structs 94203c4805SLuis R. Rodriguez */ 95203c4805SLuis R. Rodriguez static int 96203c4805SLuis R. Rodriguez ath5k_eeprom_init_header(struct ath5k_hw *ah) 97203c4805SLuis R. Rodriguez { 98203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 99203c4805SLuis R. Rodriguez int ret; 100203c4805SLuis R. Rodriguez u16 val; 101359207c6SLuis R. Rodriguez u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX; 102203c4805SLuis R. Rodriguez 103203c4805SLuis R. Rodriguez /* 104203c4805SLuis R. Rodriguez * Read values from EEPROM and store them in the capability structure 105203c4805SLuis R. Rodriguez */ 106203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic); 107203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect); 108203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain); 109203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version); 110203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header); 111203c4805SLuis R. Rodriguez 112203c4805SLuis R. Rodriguez /* Return if we have an old EEPROM */ 113203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) 114203c4805SLuis R. Rodriguez return 0; 115203c4805SLuis R. Rodriguez 116203c4805SLuis R. Rodriguez /* 117203c4805SLuis R. Rodriguez * Validate the checksum of the EEPROM date. There are some 118203c4805SLuis R. Rodriguez * devices with invalid EEPROMs. 119203c4805SLuis R. Rodriguez */ 120359207c6SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val); 121359207c6SLuis R. Rodriguez if (val) { 122359207c6SLuis R. Rodriguez eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << 123359207c6SLuis R. Rodriguez AR5K_EEPROM_SIZE_ENDLOC_SHIFT; 124359207c6SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val); 125359207c6SLuis R. Rodriguez eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE; 126359207c6SLuis R. Rodriguez 127359207c6SLuis R. Rodriguez /* 128359207c6SLuis R. Rodriguez * Fail safe check to prevent stupid loops due 129359207c6SLuis R. Rodriguez * to busted EEPROMs. XXX: This value is likely too 130359207c6SLuis R. Rodriguez * big still, waiting on a better value. 131359207c6SLuis R. Rodriguez */ 132359207c6SLuis R. Rodriguez if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) { 133359207c6SLuis R. Rodriguez ATH5K_ERR(ah->ah_sc, "Invalid max custom EEPROM size: " 134359207c6SLuis R. Rodriguez "%d (0x%04x) max expected: %d (0x%04x)\n", 135359207c6SLuis R. Rodriguez eep_max, eep_max, 136359207c6SLuis R. Rodriguez 3 * AR5K_EEPROM_INFO_MAX, 137359207c6SLuis R. Rodriguez 3 * AR5K_EEPROM_INFO_MAX); 138359207c6SLuis R. Rodriguez return -EIO; 139359207c6SLuis R. Rodriguez } 140359207c6SLuis R. Rodriguez } 141359207c6SLuis R. Rodriguez 142359207c6SLuis R. Rodriguez for (cksum = 0, offset = 0; offset < eep_max; offset++) { 143203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val); 144203c4805SLuis R. Rodriguez cksum ^= val; 145203c4805SLuis R. Rodriguez } 146203c4805SLuis R. Rodriguez if (cksum != AR5K_EEPROM_INFO_CKSUM) { 147359207c6SLuis R. Rodriguez ATH5K_ERR(ah->ah_sc, "Invalid EEPROM " 148359207c6SLuis R. Rodriguez "checksum: 0x%04x eep_max: 0x%04x (%s)\n", 149359207c6SLuis R. Rodriguez cksum, eep_max, 150359207c6SLuis R. Rodriguez eep_max == AR5K_EEPROM_INFO_MAX ? 151359207c6SLuis R. Rodriguez "default size" : "custom size"); 152203c4805SLuis R. Rodriguez return -EIO; 153203c4805SLuis R. Rodriguez } 154203c4805SLuis R. Rodriguez 155203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version), 156203c4805SLuis R. Rodriguez ee_ant_gain); 157203c4805SLuis R. Rodriguez 158203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) { 159203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0); 160203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1); 161203c4805SLuis R. Rodriguez 162203c4805SLuis R. Rodriguez /* XXX: Don't know which versions include these two */ 163203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2); 164203c4805SLuis R. Rodriguez 165203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) 166203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3); 167203c4805SLuis R. Rodriguez 168203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) { 169203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4); 170203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5); 171203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6); 172203c4805SLuis R. Rodriguez } 173203c4805SLuis R. Rodriguez } 174203c4805SLuis R. Rodriguez 175203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) { 176203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val); 177203c4805SLuis R. Rodriguez ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7; 178203c4805SLuis R. Rodriguez ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7; 179203c4805SLuis R. Rodriguez 180203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val); 181203c4805SLuis R. Rodriguez ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7; 182203c4805SLuis R. Rodriguez ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7; 183203c4805SLuis R. Rodriguez } 184203c4805SLuis R. Rodriguez 1851889ba0aSNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_IS_HB63, val); 1861889ba0aSNick Kossifidis 1871889ba0aSNick Kossifidis if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && val) 1881889ba0aSNick Kossifidis ee->ee_is_hb63 = true; 1891889ba0aSNick Kossifidis else 1901889ba0aSNick Kossifidis ee->ee_is_hb63 = false; 1911889ba0aSNick Kossifidis 1921889ba0aSNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_RFKILL, val); 1931889ba0aSNick Kossifidis ee->ee_rfkill_pin = (u8) AR5K_REG_MS(val, AR5K_EEPROM_RFKILL_GPIO_SEL); 1941889ba0aSNick Kossifidis ee->ee_rfkill_pol = val & AR5K_EEPROM_RFKILL_POLARITY ? true : false; 1951889ba0aSNick Kossifidis 196c38e7a93SNick Kossifidis /* Check if PCIE_OFFSET points to PCIE_SERDES_SECTION 197c38e7a93SNick Kossifidis * and enable serdes programming if needed. 198c38e7a93SNick Kossifidis * 199c38e7a93SNick Kossifidis * XXX: Serdes values seem to be fixed so 200c38e7a93SNick Kossifidis * no need to read them here, we write them 201c38e7a93SNick Kossifidis * during ath5k_hw_attach */ 202c38e7a93SNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_PCIE_OFFSET, val); 203c38e7a93SNick Kossifidis ee->ee_serdes = (val == AR5K_EEPROM_PCIE_SERDES_SECTION) ? 204c38e7a93SNick Kossifidis true : false; 205c38e7a93SNick Kossifidis 206203c4805SLuis R. Rodriguez return 0; 207203c4805SLuis R. Rodriguez } 208203c4805SLuis R. Rodriguez 209203c4805SLuis R. Rodriguez 210203c4805SLuis R. Rodriguez /* 211203c4805SLuis R. Rodriguez * Read antenna infos from eeprom 212203c4805SLuis R. Rodriguez */ 213203c4805SLuis R. Rodriguez static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, 214203c4805SLuis R. Rodriguez unsigned int mode) 215203c4805SLuis R. Rodriguez { 216203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 217203c4805SLuis R. Rodriguez u32 o = *offset; 218203c4805SLuis R. Rodriguez u16 val; 219203c4805SLuis R. Rodriguez int ret, i = 0; 220203c4805SLuis R. Rodriguez 221203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 222203c4805SLuis R. Rodriguez ee->ee_switch_settling[mode] = (val >> 8) & 0x7f; 223203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx[mode] = (val >> 2) & 0x3f; 224203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; 225203c4805SLuis R. Rodriguez 226203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 227203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; 228203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; 229203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = val & 0x3f; 230203c4805SLuis R. Rodriguez 231203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 232203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 10) & 0x3f; 233203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 4) & 0x3f; 234203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 2) & 0x3f; 235203c4805SLuis R. Rodriguez 236203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 237203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 14) & 0x3; 238203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 8) & 0x3f; 239203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 2) & 0x3f; 240203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; 241203c4805SLuis R. Rodriguez 242203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 243203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; 244203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; 245203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = val & 0x3f; 246203c4805SLuis R. Rodriguez 2472bed03ebSNick Kossifidis /* Get antenna switch tables */ 2482bed03ebSNick Kossifidis ah->ah_ant_ctl[mode][AR5K_ANT_CTL] = 249203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][0] << 4); 2502bed03ebSNick Kossifidis ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_A] = 251203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][1] | 252203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][2] << 6) | 253203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][3] << 12) | 254203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][4] << 18) | 255203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][5] << 24); 2562bed03ebSNick Kossifidis ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_B] = 257203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][6] | 258203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][7] << 6) | 259203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][8] << 12) | 260203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][9] << 18) | 261203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][10] << 24); 262203c4805SLuis R. Rodriguez 263203c4805SLuis R. Rodriguez /* return new offset */ 264203c4805SLuis R. Rodriguez *offset = o; 265203c4805SLuis R. Rodriguez 266203c4805SLuis R. Rodriguez return 0; 267203c4805SLuis R. Rodriguez } 268203c4805SLuis R. Rodriguez 269203c4805SLuis R. Rodriguez /* 270203c4805SLuis R. Rodriguez * Read supported modes and some mode-specific calibration data 271203c4805SLuis R. Rodriguez * from eeprom 272203c4805SLuis R. Rodriguez */ 273203c4805SLuis R. Rodriguez static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, 274203c4805SLuis R. Rodriguez unsigned int mode) 275203c4805SLuis R. Rodriguez { 276203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 277203c4805SLuis R. Rodriguez u32 o = *offset; 278203c4805SLuis R. Rodriguez u16 val; 279203c4805SLuis R. Rodriguez int ret; 280203c4805SLuis R. Rodriguez 281203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 0; 282203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 283203c4805SLuis R. Rodriguez ee->ee_adc_desired_size[mode] = (s8)((val >> 8) & 0xff); 284203c4805SLuis R. Rodriguez switch(mode) { 285203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 286203c4805SLuis R. Rodriguez ee->ee_ob[mode][3] = (val >> 5) & 0x7; 287203c4805SLuis R. Rodriguez ee->ee_db[mode][3] = (val >> 2) & 0x7; 288203c4805SLuis R. Rodriguez ee->ee_ob[mode][2] = (val << 1) & 0x7; 289203c4805SLuis R. Rodriguez 290203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 291203c4805SLuis R. Rodriguez ee->ee_ob[mode][2] |= (val >> 15) & 0x1; 292203c4805SLuis R. Rodriguez ee->ee_db[mode][2] = (val >> 12) & 0x7; 293203c4805SLuis R. Rodriguez ee->ee_ob[mode][1] = (val >> 9) & 0x7; 294203c4805SLuis R. Rodriguez ee->ee_db[mode][1] = (val >> 6) & 0x7; 295203c4805SLuis R. Rodriguez ee->ee_ob[mode][0] = (val >> 3) & 0x7; 296203c4805SLuis R. Rodriguez ee->ee_db[mode][0] = val & 0x7; 297203c4805SLuis R. Rodriguez break; 298203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 299203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 300203c4805SLuis R. Rodriguez ee->ee_ob[mode][1] = (val >> 4) & 0x7; 301203c4805SLuis R. Rodriguez ee->ee_db[mode][1] = val & 0x7; 302203c4805SLuis R. Rodriguez break; 303203c4805SLuis R. Rodriguez } 304203c4805SLuis R. Rodriguez 305203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 306203c4805SLuis R. Rodriguez ee->ee_tx_end2xlna_enable[mode] = (val >> 8) & 0xff; 307203c4805SLuis R. Rodriguez ee->ee_thr_62[mode] = val & 0xff; 308203c4805SLuis R. Rodriguez 309203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) 310203c4805SLuis R. Rodriguez ee->ee_thr_62[mode] = mode == AR5K_EEPROM_MODE_11A ? 15 : 28; 311203c4805SLuis R. Rodriguez 312203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 313203c4805SLuis R. Rodriguez ee->ee_tx_end2xpa_disable[mode] = (val >> 8) & 0xff; 314203c4805SLuis R. Rodriguez ee->ee_tx_frm2xpa_enable[mode] = val & 0xff; 315203c4805SLuis R. Rodriguez 316203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 317203c4805SLuis R. Rodriguez ee->ee_pga_desired_size[mode] = (val >> 8) & 0xff; 318203c4805SLuis R. Rodriguez 319203c4805SLuis R. Rodriguez if ((val & 0xff) & 0x80) 320203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = -((((val & 0xff) ^ 0xff)) + 1); 321203c4805SLuis R. Rodriguez else 322203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = val & 0xff; 323203c4805SLuis R. Rodriguez 324203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) 325203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = 326203c4805SLuis R. Rodriguez mode == AR5K_EEPROM_MODE_11A ? -54 : -1; 327203c4805SLuis R. Rodriguez 328203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 329203c4805SLuis R. Rodriguez ee->ee_xlna_gain[mode] = (val >> 5) & 0xff; 330203c4805SLuis R. Rodriguez ee->ee_x_gain[mode] = (val >> 1) & 0xf; 331203c4805SLuis R. Rodriguez ee->ee_xpd[mode] = val & 0x1; 332203c4805SLuis R. Rodriguez 333687c8ff1SBruno Randolf if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && 334687c8ff1SBruno Randolf mode != AR5K_EEPROM_MODE_11B) 335203c4805SLuis R. Rodriguez ee->ee_fixed_bias[mode] = (val >> 13) & 0x1; 336203c4805SLuis R. Rodriguez 337203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_3) { 338203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 339203c4805SLuis R. Rodriguez ee->ee_false_detect[mode] = (val >> 6) & 0x7f; 340203c4805SLuis R. Rodriguez 341203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11A) 342203c4805SLuis R. Rodriguez ee->ee_xr_power[mode] = val & 0x3f; 343203c4805SLuis R. Rodriguez else { 344687c8ff1SBruno Randolf /* b_DB_11[bg] and b_OB_11[bg] */ 345203c4805SLuis R. Rodriguez ee->ee_ob[mode][0] = val & 0x7; 346203c4805SLuis R. Rodriguez ee->ee_db[mode][0] = (val >> 3) & 0x7; 347203c4805SLuis R. Rodriguez } 348203c4805SLuis R. Rodriguez } 349203c4805SLuis R. Rodriguez 350203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_4) { 351203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] = AR5K_EEPROM_I_GAIN; 352203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_power_delta = AR5K_EEPROM_CCK_OFDM_DELTA; 353203c4805SLuis R. Rodriguez } else { 354203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] = (val >> 13) & 0x7; 355203c4805SLuis R. Rodriguez 356203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 357203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] |= (val << 3) & 0x38; 358203c4805SLuis R. Rodriguez 359203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11G) { 360203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_power_delta = (val >> 3) & 0xff; 361203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_6) 362203c4805SLuis R. Rodriguez ee->ee_scaled_cck_delta = (val >> 11) & 0x1f; 363203c4805SLuis R. Rodriguez } 364203c4805SLuis R. Rodriguez } 365203c4805SLuis R. Rodriguez 366203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && 367203c4805SLuis R. Rodriguez mode == AR5K_EEPROM_MODE_11A) { 368203c4805SLuis R. Rodriguez ee->ee_i_cal[mode] = (val >> 8) & 0x3f; 369203c4805SLuis R. Rodriguez ee->ee_q_cal[mode] = (val >> 3) & 0x1f; 370203c4805SLuis R. Rodriguez } 371203c4805SLuis R. Rodriguez 372203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_0) 373203c4805SLuis R. Rodriguez goto done; 374203c4805SLuis R. Rodriguez 375203c4805SLuis R. Rodriguez /* Note: >= v5 have bg freq piers on another location 376203c4805SLuis R. Rodriguez * so these freq piers are ignored for >= v5 (should be 0xff 377203c4805SLuis R. Rodriguez * anyway) */ 378203c4805SLuis R. Rodriguez switch(mode) { 379203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 380203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_1) 381203c4805SLuis R. Rodriguez break; 382203c4805SLuis R. Rodriguez 383203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 384203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = val & 0x3f; 385203c4805SLuis R. Rodriguez break; 386203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 387203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 388203c4805SLuis R. Rodriguez 389203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[0].freq = 390203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 391203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[0].freq != AR5K_EEPROM_CHANNEL_DIS) 392203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 393203c4805SLuis R. Rodriguez 394203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[1].freq = 395203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 396203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[1].freq != AR5K_EEPROM_CHANNEL_DIS) 397203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 398203c4805SLuis R. Rodriguez 399203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 400203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[2].freq = 401203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 402203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[2].freq != AR5K_EEPROM_CHANNEL_DIS) 403203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 404203c4805SLuis R. Rodriguez 405203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) 406203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; 407203c4805SLuis R. Rodriguez break; 408203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 409203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 410203c4805SLuis R. Rodriguez 411203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[0].freq = 412203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 413203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[0].freq != AR5K_EEPROM_CHANNEL_DIS) 414203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 415203c4805SLuis R. Rodriguez 416203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[1].freq = 417203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 418203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[1].freq != AR5K_EEPROM_CHANNEL_DIS) 419203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 420203c4805SLuis R. Rodriguez 421203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 422203c4805SLuis R. Rodriguez ee->ee_turbo_max_power[mode] = val & 0x7f; 423203c4805SLuis R. Rodriguez ee->ee_xr_power[mode] = (val >> 7) & 0x3f; 424203c4805SLuis R. Rodriguez 425203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 426203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[2].freq = 427203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 428203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[2].freq != AR5K_EEPROM_CHANNEL_DIS) 429203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 430203c4805SLuis R. Rodriguez 431203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) 432203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; 433203c4805SLuis R. Rodriguez 434203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 4355f13bfacSBruno Randolf ee->ee_i_cal[mode] = (val >> 5) & 0x3f; 4365f13bfacSBruno Randolf ee->ee_q_cal[mode] = val & 0x1f; 437203c4805SLuis R. Rodriguez 438203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) { 439203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 440203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_gain_delta = val & 0xff; 441203c4805SLuis R. Rodriguez } 442203c4805SLuis R. Rodriguez break; 443203c4805SLuis R. Rodriguez } 444203c4805SLuis R. Rodriguez 445203c4805SLuis R. Rodriguez /* 446203c4805SLuis R. Rodriguez * Read turbo mode information on newer EEPROM versions 447203c4805SLuis R. Rodriguez */ 448203c4805SLuis R. Rodriguez if (ee->ee_version < AR5K_EEPROM_VERSION_5_0) 4493b3ee43dSPavel Roskin goto done; 450203c4805SLuis R. Rodriguez 451203c4805SLuis R. Rodriguez switch (mode){ 452203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 453203c4805SLuis R. Rodriguez ee->ee_switch_settling_turbo[mode] = (val >> 6) & 0x7f; 454203c4805SLuis R. Rodriguez 455203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] = (val >> 13) & 0x7; 456203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 457203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x7) << 3; 458203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx_turbo[mode] = (val >> 3) & 0x3f; 459203c4805SLuis R. Rodriguez 460203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] = (val >> 9) & 0x7f; 461203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 462203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] |= (val & 0x1) << 7; 463203c4805SLuis R. Rodriguez ee->ee_pga_desired_size_turbo[mode] = (val >> 1) & 0xff; 464203c4805SLuis R. Rodriguez 465203c4805SLuis R. Rodriguez if (AR5K_EEPROM_EEMAP(ee->ee_misc0) >=2) 466203c4805SLuis R. Rodriguez ee->ee_pd_gain_overlap = (val >> 9) & 0xf; 467203c4805SLuis R. Rodriguez break; 468203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 469203c4805SLuis R. Rodriguez ee->ee_switch_settling_turbo[mode] = (val >> 8) & 0x7f; 470203c4805SLuis R. Rodriguez 471203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] = (val >> 15) & 0x7; 472203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 473203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x1f) << 1; 474203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx_turbo[mode] = (val >> 5) & 0x3f; 475203c4805SLuis R. Rodriguez 476203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] = (val >> 11) & 0x7f; 477203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 478203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] |= (val & 0x7) << 5; 479203c4805SLuis R. Rodriguez ee->ee_pga_desired_size_turbo[mode] = (val >> 3) & 0xff; 480203c4805SLuis R. Rodriguez break; 481203c4805SLuis R. Rodriguez } 482203c4805SLuis R. Rodriguez 4833b3ee43dSPavel Roskin done: 484203c4805SLuis R. Rodriguez /* return new offset */ 485203c4805SLuis R. Rodriguez *offset = o; 486203c4805SLuis R. Rodriguez 487203c4805SLuis R. Rodriguez return 0; 488203c4805SLuis R. Rodriguez } 489203c4805SLuis R. Rodriguez 490203c4805SLuis R. Rodriguez /* Read mode-specific data (except power calibration data) */ 491203c4805SLuis R. Rodriguez static int 492203c4805SLuis R. Rodriguez ath5k_eeprom_init_modes(struct ath5k_hw *ah) 493203c4805SLuis R. Rodriguez { 494203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 495203c4805SLuis R. Rodriguez u32 mode_offset[3]; 496203c4805SLuis R. Rodriguez unsigned int mode; 497203c4805SLuis R. Rodriguez u32 offset; 498203c4805SLuis R. Rodriguez int ret; 499203c4805SLuis R. Rodriguez 500203c4805SLuis R. Rodriguez /* 501203c4805SLuis R. Rodriguez * Get values for all modes 502203c4805SLuis R. Rodriguez */ 503203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11A] = AR5K_EEPROM_MODES_11A(ah->ah_ee_version); 504203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11B] = AR5K_EEPROM_MODES_11B(ah->ah_ee_version); 505203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11G] = AR5K_EEPROM_MODES_11G(ah->ah_ee_version); 506203c4805SLuis R. Rodriguez 507203c4805SLuis R. Rodriguez ee->ee_turbo_max_power[AR5K_EEPROM_MODE_11A] = 508203c4805SLuis R. Rodriguez AR5K_EEPROM_HDR_T_5GHZ_DBM(ee->ee_header); 509203c4805SLuis R. Rodriguez 510203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) { 511203c4805SLuis R. Rodriguez offset = mode_offset[mode]; 512203c4805SLuis R. Rodriguez 513203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_ants(ah, &offset, mode); 514203c4805SLuis R. Rodriguez if (ret) 515203c4805SLuis R. Rodriguez return ret; 516203c4805SLuis R. Rodriguez 517203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_modes(ah, &offset, mode); 518203c4805SLuis R. Rodriguez if (ret) 519203c4805SLuis R. Rodriguez return ret; 520203c4805SLuis R. Rodriguez } 521203c4805SLuis R. Rodriguez 522203c4805SLuis R. Rodriguez /* override for older eeprom versions for better performance */ 523203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) { 524203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11A] = 15; 525203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11B] = 28; 526203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11G] = 28; 527203c4805SLuis R. Rodriguez } 528203c4805SLuis R. Rodriguez 529203c4805SLuis R. Rodriguez return 0; 530203c4805SLuis R. Rodriguez } 531203c4805SLuis R. Rodriguez 532203c4805SLuis R. Rodriguez /* Read the frequency piers for each mode (mostly used on newer eeproms with 0xff 533203c4805SLuis R. Rodriguez * frequency mask) */ 534203c4805SLuis R. Rodriguez static inline int 535203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, 536203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pc, unsigned int mode) 537203c4805SLuis R. Rodriguez { 538203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 539203c4805SLuis R. Rodriguez int o = *offset; 540203c4805SLuis R. Rodriguez int i = 0; 541203c4805SLuis R. Rodriguez u8 freq1, freq2; 542203c4805SLuis R. Rodriguez int ret; 543203c4805SLuis R. Rodriguez u16 val; 544203c4805SLuis R. Rodriguez 545203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 0; 546203c4805SLuis R. Rodriguez while(i < max) { 547203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 548203c4805SLuis R. Rodriguez 549203c4805SLuis R. Rodriguez freq1 = val & 0xff; 550203c4805SLuis R. Rodriguez if (!freq1) 551203c4805SLuis R. Rodriguez break; 552203c4805SLuis R. Rodriguez 553203c4805SLuis R. Rodriguez pc[i++].freq = ath5k_eeprom_bin2freq(ee, 554203c4805SLuis R. Rodriguez freq1, mode); 555203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 556203c4805SLuis R. Rodriguez 557203c4805SLuis R. Rodriguez freq2 = (val >> 8) & 0xff; 558203c4805SLuis R. Rodriguez if (!freq2) 559203c4805SLuis R. Rodriguez break; 560203c4805SLuis R. Rodriguez 561203c4805SLuis R. Rodriguez pc[i++].freq = ath5k_eeprom_bin2freq(ee, 562203c4805SLuis R. Rodriguez freq2, mode); 563203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 564203c4805SLuis R. Rodriguez } 565203c4805SLuis R. Rodriguez 566203c4805SLuis R. Rodriguez /* return new offset */ 567203c4805SLuis R. Rodriguez *offset = o; 568203c4805SLuis R. Rodriguez 569203c4805SLuis R. Rodriguez return 0; 570203c4805SLuis R. Rodriguez } 571203c4805SLuis R. Rodriguez 572203c4805SLuis R. Rodriguez /* Read frequency piers for 802.11a */ 573203c4805SLuis R. Rodriguez static int 574203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset) 575203c4805SLuis R. Rodriguez { 576203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 577203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a; 578203c4805SLuis R. Rodriguez int i, ret; 579203c4805SLuis R. Rodriguez u16 val; 580203c4805SLuis R. Rodriguez u8 mask; 581203c4805SLuis R. Rodriguez 582203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { 583203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(ah, &offset, 584203c4805SLuis R. Rodriguez AR5K_EEPROM_N_5GHZ_CHAN, pcal, 585203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11A); 586203c4805SLuis R. Rodriguez } else { 587203c4805SLuis R. Rodriguez mask = AR5K_EEPROM_FREQ_M(ah->ah_ee_version); 588203c4805SLuis R. Rodriguez 589203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 590203c4805SLuis R. Rodriguez pcal[0].freq = (val >> 9) & mask; 591203c4805SLuis R. Rodriguez pcal[1].freq = (val >> 2) & mask; 592203c4805SLuis R. Rodriguez pcal[2].freq = (val << 5) & mask; 593203c4805SLuis R. Rodriguez 594203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 595203c4805SLuis R. Rodriguez pcal[2].freq |= (val >> 11) & 0x1f; 596203c4805SLuis R. Rodriguez pcal[3].freq = (val >> 4) & mask; 597203c4805SLuis R. Rodriguez pcal[4].freq = (val << 3) & mask; 598203c4805SLuis R. Rodriguez 599203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 600203c4805SLuis R. Rodriguez pcal[4].freq |= (val >> 13) & 0x7; 601203c4805SLuis R. Rodriguez pcal[5].freq = (val >> 6) & mask; 602203c4805SLuis R. Rodriguez pcal[6].freq = (val << 1) & mask; 603203c4805SLuis R. Rodriguez 604203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 605203c4805SLuis R. Rodriguez pcal[6].freq |= (val >> 15) & 0x1; 606203c4805SLuis R. Rodriguez pcal[7].freq = (val >> 8) & mask; 607203c4805SLuis R. Rodriguez pcal[8].freq = (val >> 1) & mask; 608203c4805SLuis R. Rodriguez pcal[9].freq = (val << 6) & mask; 609203c4805SLuis R. Rodriguez 610203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 611203c4805SLuis R. Rodriguez pcal[9].freq |= (val >> 10) & 0x3f; 612203c4805SLuis R. Rodriguez 613203c4805SLuis R. Rodriguez /* Fixed number of piers */ 614203c4805SLuis R. Rodriguez ee->ee_n_piers[AR5K_EEPROM_MODE_11A] = 10; 615203c4805SLuis R. Rodriguez 616203c4805SLuis R. Rodriguez for (i = 0; i < AR5K_EEPROM_N_5GHZ_CHAN; i++) { 617203c4805SLuis R. Rodriguez pcal[i].freq = ath5k_eeprom_bin2freq(ee, 618203c4805SLuis R. Rodriguez pcal[i].freq, AR5K_EEPROM_MODE_11A); 619203c4805SLuis R. Rodriguez } 620203c4805SLuis R. Rodriguez } 621203c4805SLuis R. Rodriguez 622203c4805SLuis R. Rodriguez return 0; 623203c4805SLuis R. Rodriguez } 624203c4805SLuis R. Rodriguez 625203c4805SLuis R. Rodriguez /* Read frequency piers for 802.11bg on eeprom versions >= 5 and eemap >= 2 */ 626203c4805SLuis R. Rodriguez static inline int 627203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset) 628203c4805SLuis R. Rodriguez { 629203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 630203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal; 631203c4805SLuis R. Rodriguez 632203c4805SLuis R. Rodriguez switch(mode) { 633203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 634203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_b; 635203c4805SLuis R. Rodriguez break; 636203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 637203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_g; 638203c4805SLuis R. Rodriguez break; 639203c4805SLuis R. Rodriguez default: 640203c4805SLuis R. Rodriguez return -EINVAL; 641203c4805SLuis R. Rodriguez } 642203c4805SLuis R. Rodriguez 643203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(ah, &offset, 644203c4805SLuis R. Rodriguez AR5K_EEPROM_N_2GHZ_CHAN_2413, pcal, 645203c4805SLuis R. Rodriguez mode); 646203c4805SLuis R. Rodriguez 647203c4805SLuis R. Rodriguez return 0; 648203c4805SLuis R. Rodriguez } 649203c4805SLuis R. Rodriguez 650203c4805SLuis R. Rodriguez /* 651203c4805SLuis R. Rodriguez * Read power calibration for RF5111 chips 652203c4805SLuis R. Rodriguez * 653203c4805SLuis R. Rodriguez * For RF5111 we have an XPD -eXternal Power Detector- curve 654203c4805SLuis R. Rodriguez * for each calibrated channel. Each curve has 0,5dB Power steps 655203c4805SLuis R. Rodriguez * on x axis and PCDAC steps (offsets) on y axis and looks like an 656203c4805SLuis R. Rodriguez * exponential function. To recreate the curve we read 11 points 657203c4805SLuis R. Rodriguez * here and interpolate later. 658203c4805SLuis R. Rodriguez */ 659203c4805SLuis R. Rodriguez 660203c4805SLuis R. Rodriguez /* Used to match PCDAC steps with power values on RF5111 chips 661203c4805SLuis R. Rodriguez * (eeprom versions < 4). For RF5111 we have 11 pre-defined PCDAC 662203c4805SLuis R. Rodriguez * steps that match with the power values we read from eeprom. On 663203c4805SLuis R. Rodriguez * older eeprom versions (< 3.2) these steps are equaly spaced at 664a180a130SBob Copeland * 10% of the pcdac curve -until the curve reaches its maximum- 665203c4805SLuis R. Rodriguez * (11 steps from 0 to 100%) but on newer eeprom versions (>= 3.2) 666203c4805SLuis R. Rodriguez * these 11 steps are spaced in a different way. This function returns 667203c4805SLuis R. Rodriguez * the pcdac steps based on eeprom version and curve min/max so that we 668203c4805SLuis R. Rodriguez * can have pcdac/pwr points. 669203c4805SLuis R. Rodriguez */ 670203c4805SLuis R. Rodriguez static inline void 671203c4805SLuis R. Rodriguez ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp) 672203c4805SLuis R. Rodriguez { 673bbb33881STobias Klauser static const u16 intercepts3[] = 674203c4805SLuis R. Rodriguez { 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 }; 675bbb33881STobias Klauser static const u16 intercepts3_2[] = 676203c4805SLuis R. Rodriguez { 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 }; 677203c4805SLuis R. Rodriguez const u16 *ip; 678203c4805SLuis R. Rodriguez int i; 679203c4805SLuis R. Rodriguez 680203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2) 681203c4805SLuis R. Rodriguez ip = intercepts3_2; 682203c4805SLuis R. Rodriguez else 683203c4805SLuis R. Rodriguez ip = intercepts3; 684203c4805SLuis R. Rodriguez 685203c4805SLuis R. Rodriguez for (i = 0; i < ARRAY_SIZE(intercepts3); i++) 686203c4805SLuis R. Rodriguez vp[i] = (ip[i] * max + (100 - ip[i]) * min) / 100; 687203c4805SLuis R. Rodriguez } 688203c4805SLuis R. Rodriguez 689203c4805SLuis R. Rodriguez /* Convert RF5111 specific data to generic raw data 690203c4805SLuis R. Rodriguez * used by interpolation code */ 691203c4805SLuis R. Rodriguez static int 692203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode, 693203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 694203c4805SLuis R. Rodriguez { 695203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 696203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5111 *pcinfo; 697203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd; 698203c4805SLuis R. Rodriguez u8 pier, point, idx; 699203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 700203c4805SLuis R. Rodriguez 701203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 702203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 703203c4805SLuis R. Rodriguez 704203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf5111_info; 705203c4805SLuis R. Rodriguez 706203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 707203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 708203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 709203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 710203c4805SLuis R. Rodriguez GFP_KERNEL); 711203c4805SLuis R. Rodriguez 712203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 713203c4805SLuis R. Rodriguez return -ENOMEM; 714203c4805SLuis R. Rodriguez 715203c4805SLuis R. Rodriguez /* Only one curve for RF5111 716203c4805SLuis R. Rodriguez * find out which one and place 71777c2061dSWalter Goldens * in pd_curves. 718203c4805SLuis R. Rodriguez * Note: ee_x_gain is reversed here */ 719203c4805SLuis R. Rodriguez for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) { 720203c4805SLuis R. Rodriguez 721203c4805SLuis R. Rodriguez if (!((ee->ee_x_gain[mode] >> idx) & 0x1)) { 722203c4805SLuis R. Rodriguez pdgain_idx[0] = idx; 723203c4805SLuis R. Rodriguez break; 724203c4805SLuis R. Rodriguez } 725203c4805SLuis R. Rodriguez } 726203c4805SLuis R. Rodriguez 727203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = 1; 728203c4805SLuis R. Rodriguez 729203c4805SLuis R. Rodriguez pd = &chinfo[pier].pd_curves[idx]; 730203c4805SLuis R. Rodriguez 731203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PWR_POINTS_5111; 732203c4805SLuis R. Rodriguez 733203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 734203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, 735203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 736203c4805SLuis R. Rodriguez if (!pd->pd_step) 737203c4805SLuis R. Rodriguez return -ENOMEM; 738203c4805SLuis R. Rodriguez 739203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, 740203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 741203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 742203c4805SLuis R. Rodriguez return -ENOMEM; 743203c4805SLuis R. Rodriguez 744203c4805SLuis R. Rodriguez /* Fill raw dataset 745203c4805SLuis R. Rodriguez * (convert power to 0.25dB units 746203c4805SLuis R. Rodriguez * for RF5112 combatibility) */ 747203c4805SLuis R. Rodriguez for (point = 0; point < pd->pd_points; point++) { 748203c4805SLuis R. Rodriguez 749203c4805SLuis R. Rodriguez /* Absolute values */ 750203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 2 * pcinfo->pwr[point]; 751203c4805SLuis R. Rodriguez 752203c4805SLuis R. Rodriguez /* Already sorted */ 753203c4805SLuis R. Rodriguez pd->pd_step[point] = pcinfo->pcdac[point]; 754203c4805SLuis R. Rodriguez } 755203c4805SLuis R. Rodriguez 756203c4805SLuis R. Rodriguez /* Set min/max pwr */ 757203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 758203c4805SLuis R. Rodriguez chinfo[pier].max_pwr = pd->pd_pwr[10]; 759203c4805SLuis R. Rodriguez 760203c4805SLuis R. Rodriguez } 761203c4805SLuis R. Rodriguez 762203c4805SLuis R. Rodriguez return 0; 763203c4805SLuis R. Rodriguez } 764203c4805SLuis R. Rodriguez 765203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 766203c4805SLuis R. Rodriguez static int 767203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode) 768203c4805SLuis R. Rodriguez { 769203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 770203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal; 771203c4805SLuis R. Rodriguez int offset, ret; 772203c4805SLuis R. Rodriguez int i; 773203c4805SLuis R. Rodriguez u16 val; 774203c4805SLuis R. Rodriguez 775203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 776203c4805SLuis R. Rodriguez switch(mode) { 777203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 778203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 779203c4805SLuis R. Rodriguez return 0; 780203c4805SLuis R. Rodriguez 781203c4805SLuis R. Rodriguez ret = ath5k_eeprom_init_11a_pcal_freq(ah, 782203c4805SLuis R. Rodriguez offset + AR5K_EEPROM_GROUP1_OFFSET); 783203c4805SLuis R. Rodriguez if (ret < 0) 784203c4805SLuis R. Rodriguez return ret; 785203c4805SLuis R. Rodriguez 786203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 787203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_a; 788203c4805SLuis R. Rodriguez break; 789203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 790203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header) && 791203c4805SLuis R. Rodriguez !AR5K_EEPROM_HDR_11G(ee->ee_header)) 792203c4805SLuis R. Rodriguez return 0; 793203c4805SLuis R. Rodriguez 794203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_b; 795203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP3_OFFSET; 796203c4805SLuis R. Rodriguez 797203c4805SLuis R. Rodriguez /* fixed piers */ 798203c4805SLuis R. Rodriguez pcal[0].freq = 2412; 799203c4805SLuis R. Rodriguez pcal[1].freq = 2447; 800203c4805SLuis R. Rodriguez pcal[2].freq = 2484; 801203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 3; 802203c4805SLuis R. Rodriguez break; 803203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 804203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 805203c4805SLuis R. Rodriguez return 0; 806203c4805SLuis R. Rodriguez 807203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_g; 808203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP4_OFFSET; 809203c4805SLuis R. Rodriguez 810203c4805SLuis R. Rodriguez /* fixed piers */ 811203c4805SLuis R. Rodriguez pcal[0].freq = 2312; 812203c4805SLuis R. Rodriguez pcal[1].freq = 2412; 813203c4805SLuis R. Rodriguez pcal[2].freq = 2484; 814203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 3; 815203c4805SLuis R. Rodriguez break; 816203c4805SLuis R. Rodriguez default: 817203c4805SLuis R. Rodriguez return -EINVAL; 818203c4805SLuis R. Rodriguez } 819203c4805SLuis R. Rodriguez 820203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 821203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5111 *cdata = 822203c4805SLuis R. Rodriguez &pcal[i].rf5111_info; 823203c4805SLuis R. Rodriguez 824203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 825203c4805SLuis R. Rodriguez cdata->pcdac_max = ((val >> 10) & AR5K_EEPROM_PCDAC_M); 826203c4805SLuis R. Rodriguez cdata->pcdac_min = ((val >> 4) & AR5K_EEPROM_PCDAC_M); 827203c4805SLuis R. Rodriguez cdata->pwr[0] = ((val << 2) & AR5K_EEPROM_POWER_M); 828203c4805SLuis R. Rodriguez 829203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 830203c4805SLuis R. Rodriguez cdata->pwr[0] |= ((val >> 14) & 0x3); 831203c4805SLuis R. Rodriguez cdata->pwr[1] = ((val >> 8) & AR5K_EEPROM_POWER_M); 832203c4805SLuis R. Rodriguez cdata->pwr[2] = ((val >> 2) & AR5K_EEPROM_POWER_M); 833203c4805SLuis R. Rodriguez cdata->pwr[3] = ((val << 4) & AR5K_EEPROM_POWER_M); 834203c4805SLuis R. Rodriguez 835203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 836203c4805SLuis R. Rodriguez cdata->pwr[3] |= ((val >> 12) & 0xf); 837203c4805SLuis R. Rodriguez cdata->pwr[4] = ((val >> 6) & AR5K_EEPROM_POWER_M); 838203c4805SLuis R. Rodriguez cdata->pwr[5] = (val & AR5K_EEPROM_POWER_M); 839203c4805SLuis R. Rodriguez 840203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 841203c4805SLuis R. Rodriguez cdata->pwr[6] = ((val >> 10) & AR5K_EEPROM_POWER_M); 842203c4805SLuis R. Rodriguez cdata->pwr[7] = ((val >> 4) & AR5K_EEPROM_POWER_M); 843203c4805SLuis R. Rodriguez cdata->pwr[8] = ((val << 2) & AR5K_EEPROM_POWER_M); 844203c4805SLuis R. Rodriguez 845203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 846203c4805SLuis R. Rodriguez cdata->pwr[8] |= ((val >> 14) & 0x3); 847203c4805SLuis R. Rodriguez cdata->pwr[9] = ((val >> 8) & AR5K_EEPROM_POWER_M); 848203c4805SLuis R. Rodriguez cdata->pwr[10] = ((val >> 2) & AR5K_EEPROM_POWER_M); 849203c4805SLuis R. Rodriguez 850203c4805SLuis R. Rodriguez ath5k_get_pcdac_intercepts(ah, cdata->pcdac_min, 851203c4805SLuis R. Rodriguez cdata->pcdac_max, cdata->pcdac); 852203c4805SLuis R. Rodriguez } 853203c4805SLuis R. Rodriguez 854203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_5111(ah, mode, pcal); 855203c4805SLuis R. Rodriguez } 856203c4805SLuis R. Rodriguez 857203c4805SLuis R. Rodriguez 858203c4805SLuis R. Rodriguez /* 859203c4805SLuis R. Rodriguez * Read power calibration for RF5112 chips 860203c4805SLuis R. Rodriguez * 861203c4805SLuis R. Rodriguez * For RF5112 we have 4 XPD -eXternal Power Detector- curves 862203c4805SLuis R. Rodriguez * for each calibrated channel on 0, -6, -12 and -18dbm but we only 863203c4805SLuis R. Rodriguez * use the higher (3) and the lower (0) curves. Each curve has 0.5dB 864203c4805SLuis R. Rodriguez * power steps on x axis and PCDAC steps on y axis and looks like a 865203c4805SLuis R. Rodriguez * linear function. To recreate the curve and pass the power values 866203c4805SLuis R. Rodriguez * on hw, we read 4 points for xpd 0 (lower gain -> max power) 867203c4805SLuis R. Rodriguez * and 3 points for xpd 3 (higher gain -> lower power) here and 868203c4805SLuis R. Rodriguez * interpolate later. 869203c4805SLuis R. Rodriguez * 870203c4805SLuis R. Rodriguez * Note: Many vendors just use xpd 0 so xpd 3 is zeroed. 871203c4805SLuis R. Rodriguez */ 872203c4805SLuis R. Rodriguez 873203c4805SLuis R. Rodriguez /* Convert RF5112 specific data to generic raw data 874203c4805SLuis R. Rodriguez * used by interpolation code */ 875203c4805SLuis R. Rodriguez static int 876203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_5112(struct ath5k_hw *ah, int mode, 877203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 878203c4805SLuis R. Rodriguez { 879203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 880203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5112 *pcinfo; 881203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 882203c4805SLuis R. Rodriguez unsigned int pier, pdg, point; 883203c4805SLuis R. Rodriguez 884203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 885203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 886203c4805SLuis R. Rodriguez 887203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf5112_info; 888203c4805SLuis R. Rodriguez 889203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 890203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 891203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 892203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 893203c4805SLuis R. Rodriguez GFP_KERNEL); 894203c4805SLuis R. Rodriguez 895203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 896203c4805SLuis R. Rodriguez return -ENOMEM; 897203c4805SLuis R. Rodriguez 898203c4805SLuis R. Rodriguez /* Fill pd_curves */ 899203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 900203c4805SLuis R. Rodriguez 901203c4805SLuis R. Rodriguez u8 idx = pdgain_idx[pdg]; 902203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 903203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[idx]; 904203c4805SLuis R. Rodriguez 905203c4805SLuis R. Rodriguez /* Lowest gain curve (max power) */ 906203c4805SLuis R. Rodriguez if (pdg == 0) { 907203c4805SLuis R. Rodriguez /* One more point for better accuracy */ 908203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_XPD0_POINTS; 909203c4805SLuis R. Rodriguez 910203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 911203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 912203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 913203c4805SLuis R. Rodriguez 914203c4805SLuis R. Rodriguez if (!pd->pd_step) 915203c4805SLuis R. Rodriguez return -ENOMEM; 916203c4805SLuis R. Rodriguez 917203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 918203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 919203c4805SLuis R. Rodriguez 920203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 921203c4805SLuis R. Rodriguez return -ENOMEM; 922203c4805SLuis R. Rodriguez 923203c4805SLuis R. Rodriguez 924203c4805SLuis R. Rodriguez /* Fill raw dataset 925203c4805SLuis R. Rodriguez * (all power levels are in 0.25dB units) */ 926203c4805SLuis R. Rodriguez pd->pd_step[0] = pcinfo->pcdac_x0[0]; 927203c4805SLuis R. Rodriguez pd->pd_pwr[0] = pcinfo->pwr_x0[0]; 928203c4805SLuis R. Rodriguez 929203c4805SLuis R. Rodriguez for (point = 1; point < pd->pd_points; 930203c4805SLuis R. Rodriguez point++) { 931203c4805SLuis R. Rodriguez /* Absolute values */ 932203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 933203c4805SLuis R. Rodriguez pcinfo->pwr_x0[point]; 934203c4805SLuis R. Rodriguez 935203c4805SLuis R. Rodriguez /* Deltas */ 936203c4805SLuis R. Rodriguez pd->pd_step[point] = 937203c4805SLuis R. Rodriguez pd->pd_step[point - 1] + 938203c4805SLuis R. Rodriguez pcinfo->pcdac_x0[point]; 939203c4805SLuis R. Rodriguez } 940203c4805SLuis R. Rodriguez 941203c4805SLuis R. Rodriguez /* Set min power for this frequency */ 942203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 943203c4805SLuis R. Rodriguez 944203c4805SLuis R. Rodriguez /* Highest gain curve (min power) */ 945203c4805SLuis R. Rodriguez } else if (pdg == 1) { 946203c4805SLuis R. Rodriguez 947203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_XPD3_POINTS; 948203c4805SLuis R. Rodriguez 949203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 950203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 951203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 952203c4805SLuis R. Rodriguez 953203c4805SLuis R. Rodriguez if (!pd->pd_step) 954203c4805SLuis R. Rodriguez return -ENOMEM; 955203c4805SLuis R. Rodriguez 956203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 957203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 958203c4805SLuis R. Rodriguez 959203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 960203c4805SLuis R. Rodriguez return -ENOMEM; 961203c4805SLuis R. Rodriguez 962203c4805SLuis R. Rodriguez /* Fill raw dataset 963203c4805SLuis R. Rodriguez * (all power levels are in 0.25dB units) */ 964203c4805SLuis R. Rodriguez for (point = 0; point < pd->pd_points; 965203c4805SLuis R. Rodriguez point++) { 966203c4805SLuis R. Rodriguez /* Absolute values */ 967203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 968203c4805SLuis R. Rodriguez pcinfo->pwr_x3[point]; 969203c4805SLuis R. Rodriguez 970203c4805SLuis R. Rodriguez /* Fixed points */ 971203c4805SLuis R. Rodriguez pd->pd_step[point] = 972203c4805SLuis R. Rodriguez pcinfo->pcdac_x3[point]; 973203c4805SLuis R. Rodriguez } 974203c4805SLuis R. Rodriguez 975203c4805SLuis R. Rodriguez /* Since we have a higher gain curve 976203c4805SLuis R. Rodriguez * override min power */ 977203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 978203c4805SLuis R. Rodriguez } 979203c4805SLuis R. Rodriguez } 980203c4805SLuis R. Rodriguez } 981203c4805SLuis R. Rodriguez 982203c4805SLuis R. Rodriguez return 0; 983203c4805SLuis R. Rodriguez } 984203c4805SLuis R. Rodriguez 985203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 986203c4805SLuis R. Rodriguez static int 987203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode) 988203c4805SLuis R. Rodriguez { 989203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 990203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5112 *chan_pcal_info; 991203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *gen_chan_info; 992203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 993203c4805SLuis R. Rodriguez u32 offset; 994203c4805SLuis R. Rodriguez u8 i, c; 995203c4805SLuis R. Rodriguez u16 val; 996203c4805SLuis R. Rodriguez int ret; 997203c4805SLuis R. Rodriguez u8 pd_gains = 0; 998203c4805SLuis R. Rodriguez 999203c4805SLuis R. Rodriguez /* Count how many curves we have and 1000203c4805SLuis R. Rodriguez * identify them (which one of the 4 1001203c4805SLuis R. Rodriguez * available curves we have on each count). 1002203c4805SLuis R. Rodriguez * Curves are stored from lower (x0) to 1003203c4805SLuis R. Rodriguez * higher (x3) gain */ 1004203c4805SLuis R. Rodriguez for (i = 0; i < AR5K_EEPROM_N_PD_CURVES; i++) { 1005203c4805SLuis R. Rodriguez /* ee_x_gain[mode] is x gain mask */ 1006203c4805SLuis R. Rodriguez if ((ee->ee_x_gain[mode] >> i) & 0x1) 1007203c4805SLuis R. Rodriguez pdgain_idx[pd_gains++] = i; 1008203c4805SLuis R. Rodriguez } 1009203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = pd_gains; 1010203c4805SLuis R. Rodriguez 1011203c4805SLuis R. Rodriguez if (pd_gains == 0 || pd_gains > 2) 1012203c4805SLuis R. Rodriguez return -EINVAL; 1013203c4805SLuis R. Rodriguez 1014203c4805SLuis R. Rodriguez switch (mode) { 1015203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1016203c4805SLuis R. Rodriguez /* 1017203c4805SLuis R. Rodriguez * Read 5GHz EEPROM channels 1018203c4805SLuis R. Rodriguez */ 1019203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1020203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(ah, offset); 1021203c4805SLuis R. Rodriguez 1022203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 1023203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_a; 1024203c4805SLuis R. Rodriguez break; 1025203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1026203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1027203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1028203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP3_OFFSET; 1029203c4805SLuis R. Rodriguez 1030203c4805SLuis R. Rodriguez /* NB: frequency piers parsed during mode init */ 1031203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_b; 1032203c4805SLuis R. Rodriguez break; 1033203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1034203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1035203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1036203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP4_OFFSET; 1037203c4805SLuis R. Rodriguez else if (AR5K_EEPROM_HDR_11B(ee->ee_header)) 1038203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 1039203c4805SLuis R. Rodriguez 1040203c4805SLuis R. Rodriguez /* NB: frequency piers parsed during mode init */ 1041203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_g; 1042203c4805SLuis R. Rodriguez break; 1043203c4805SLuis R. Rodriguez default: 1044203c4805SLuis R. Rodriguez return -EINVAL; 1045203c4805SLuis R. Rodriguez } 1046203c4805SLuis R. Rodriguez 1047203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 1048203c4805SLuis R. Rodriguez chan_pcal_info = &gen_chan_info[i].rf5112_info; 1049203c4805SLuis R. Rodriguez 1050203c4805SLuis R. Rodriguez /* Power values in quarter dB 1051203c4805SLuis R. Rodriguez * for the lower xpd gain curve 1052203c4805SLuis R. Rodriguez * (0 dBm -> higher output power) */ 1053203c4805SLuis R. Rodriguez for (c = 0; c < AR5K_EEPROM_N_XPD0_POINTS; c++) { 1054203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1055203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x0[c] = (s8) (val & 0xff); 1056203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x0[++c] = (s8) ((val >> 8) & 0xff); 1057203c4805SLuis R. Rodriguez } 1058203c4805SLuis R. Rodriguez 1059203c4805SLuis R. Rodriguez /* PCDAC steps 1060203c4805SLuis R. Rodriguez * corresponding to the above power 1061203c4805SLuis R. Rodriguez * measurements */ 1062203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1063203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[1] = (val & 0x1f); 1064203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[2] = ((val >> 5) & 0x1f); 1065203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[3] = ((val >> 10) & 0x1f); 1066203c4805SLuis R. Rodriguez 1067203c4805SLuis R. Rodriguez /* Power values in quarter dB 1068203c4805SLuis R. Rodriguez * for the higher xpd gain curve 1069203c4805SLuis R. Rodriguez * (18 dBm -> lower output power) */ 1070203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1071203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[0] = (s8) (val & 0xff); 1072203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[1] = (s8) ((val >> 8) & 0xff); 1073203c4805SLuis R. Rodriguez 1074203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1075203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[2] = (val & 0xff); 1076203c4805SLuis R. Rodriguez 1077203c4805SLuis R. Rodriguez /* PCDAC steps 1078203c4805SLuis R. Rodriguez * corresponding to the above power 1079203c4805SLuis R. Rodriguez * measurements (fixed) */ 1080203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[0] = 20; 1081203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[1] = 35; 1082203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[2] = 63; 1083203c4805SLuis R. Rodriguez 1084203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) { 1085203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0x3f); 1086203c4805SLuis R. Rodriguez 1087203c4805SLuis R. Rodriguez /* Last xpd0 power level is also channel maximum */ 1088203c4805SLuis R. Rodriguez gen_chan_info[i].max_pwr = chan_pcal_info->pwr_x0[3]; 1089203c4805SLuis R. Rodriguez } else { 1090203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[0] = 1; 1091203c4805SLuis R. Rodriguez gen_chan_info[i].max_pwr = (s8) ((val >> 8) & 0xff); 1092203c4805SLuis R. Rodriguez } 1093203c4805SLuis R. Rodriguez 1094203c4805SLuis R. Rodriguez } 1095203c4805SLuis R. Rodriguez 1096203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_5112(ah, mode, gen_chan_info); 1097203c4805SLuis R. Rodriguez } 1098203c4805SLuis R. Rodriguez 1099203c4805SLuis R. Rodriguez 1100203c4805SLuis R. Rodriguez /* 1101203c4805SLuis R. Rodriguez * Read power calibration for RF2413 chips 1102203c4805SLuis R. Rodriguez * 1103203c4805SLuis R. Rodriguez * For RF2413 we have a Power to PDDAC table (Power Detector) 1104203c4805SLuis R. Rodriguez * instead of a PCDAC and 4 pd gain curves for each calibrated channel. 1105203c4805SLuis R. Rodriguez * Each curve has power on x axis in 0.5 db steps and PDDADC steps on y 1106203c4805SLuis R. Rodriguez * axis and looks like an exponential function like the RF5111 curve. 1107203c4805SLuis R. Rodriguez * 1108203c4805SLuis R. Rodriguez * To recreate the curves we read here the points and interpolate 1109203c4805SLuis R. Rodriguez * later. Note that in most cases only 2 (higher and lower) curves are 1110203c4805SLuis R. Rodriguez * used (like RF5112) but vendors have the oportunity to include all 1111203c4805SLuis R. Rodriguez * 4 curves on eeprom. The final curve (higher power) has an extra 1112203c4805SLuis R. Rodriguez * point for better accuracy like RF5112. 1113203c4805SLuis R. Rodriguez */ 1114203c4805SLuis R. Rodriguez 1115203c4805SLuis R. Rodriguez /* For RF2413 power calibration data doesn't start on a fixed location and 1116a180a130SBob Copeland * if a mode is not supported, its section is missing -not zeroed-. 1117203c4805SLuis R. Rodriguez * So we need to calculate the starting offset for each section by using 1118203c4805SLuis R. Rodriguez * these two functions */ 1119203c4805SLuis R. Rodriguez 1120203c4805SLuis R. Rodriguez /* Return the size of each section based on the mode and the number of pd 1121203c4805SLuis R. Rodriguez * gains available (maximum 4). */ 1122203c4805SLuis R. Rodriguez static inline unsigned int 1123203c4805SLuis R. Rodriguez ath5k_pdgains_size_2413(struct ath5k_eeprom_info *ee, unsigned int mode) 1124203c4805SLuis R. Rodriguez { 1125203c4805SLuis R. Rodriguez static const unsigned int pdgains_size[] = { 4, 6, 9, 12 }; 1126203c4805SLuis R. Rodriguez unsigned int sz; 1127203c4805SLuis R. Rodriguez 1128203c4805SLuis R. Rodriguez sz = pdgains_size[ee->ee_pd_gains[mode] - 1]; 1129203c4805SLuis R. Rodriguez sz *= ee->ee_n_piers[mode]; 1130203c4805SLuis R. Rodriguez 1131203c4805SLuis R. Rodriguez return sz; 1132203c4805SLuis R. Rodriguez } 1133203c4805SLuis R. Rodriguez 1134203c4805SLuis R. Rodriguez /* Return the starting offset for a section based on the modes supported 1135203c4805SLuis R. Rodriguez * and each section's size. */ 1136203c4805SLuis R. Rodriguez static unsigned int 1137203c4805SLuis R. Rodriguez ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode) 1138203c4805SLuis R. Rodriguez { 1139203c4805SLuis R. Rodriguez u32 offset = AR5K_EEPROM_CAL_DATA_START(ee->ee_misc4); 1140203c4805SLuis R. Rodriguez 1141203c4805SLuis R. Rodriguez switch(mode) { 1142203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1143203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11B(ee->ee_header)) 1144203c4805SLuis R. Rodriguez offset += ath5k_pdgains_size_2413(ee, 1145203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11B) + 1146203c4805SLuis R. Rodriguez AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1147203c4805SLuis R. Rodriguez /* fall through */ 1148203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1149203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1150203c4805SLuis R. Rodriguez offset += ath5k_pdgains_size_2413(ee, 1151203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11A) + 1152203c4805SLuis R. Rodriguez AR5K_EEPROM_N_5GHZ_CHAN / 2; 1153203c4805SLuis R. Rodriguez /* fall through */ 1154203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1155203c4805SLuis R. Rodriguez break; 1156203c4805SLuis R. Rodriguez default: 1157203c4805SLuis R. Rodriguez break; 1158203c4805SLuis R. Rodriguez } 1159203c4805SLuis R. Rodriguez 1160203c4805SLuis R. Rodriguez return offset; 1161203c4805SLuis R. Rodriguez } 1162203c4805SLuis R. Rodriguez 1163203c4805SLuis R. Rodriguez /* Convert RF2413 specific data to generic raw data 1164203c4805SLuis R. Rodriguez * used by interpolation code */ 1165203c4805SLuis R. Rodriguez static int 1166203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_2413(struct ath5k_hw *ah, int mode, 1167203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 1168203c4805SLuis R. Rodriguez { 1169203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1170203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf2413 *pcinfo; 1171203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1172203c4805SLuis R. Rodriguez unsigned int pier, pdg, point; 1173203c4805SLuis R. Rodriguez 1174203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 1175203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 1176203c4805SLuis R. Rodriguez 1177203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf2413_info; 1178203c4805SLuis R. Rodriguez 1179203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 1180203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 1181203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 1182203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 1183203c4805SLuis R. Rodriguez GFP_KERNEL); 1184203c4805SLuis R. Rodriguez 1185203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 1186203c4805SLuis R. Rodriguez return -ENOMEM; 1187203c4805SLuis R. Rodriguez 1188203c4805SLuis R. Rodriguez /* Fill pd_curves */ 1189203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 1190203c4805SLuis R. Rodriguez 1191203c4805SLuis R. Rodriguez u8 idx = pdgain_idx[pdg]; 1192203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 1193203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[idx]; 1194203c4805SLuis R. Rodriguez 1195203c4805SLuis R. Rodriguez /* One more point for the highest power 1196203c4805SLuis R. Rodriguez * curve (lowest gain) */ 1197203c4805SLuis R. Rodriguez if (pdg == ee->ee_pd_gains[mode] - 1) 1198203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PD_POINTS; 1199203c4805SLuis R. Rodriguez else 1200203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PD_POINTS - 1; 1201203c4805SLuis R. Rodriguez 1202203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 1203203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 1204203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 1205203c4805SLuis R. Rodriguez 1206203c4805SLuis R. Rodriguez if (!pd->pd_step) 1207203c4805SLuis R. Rodriguez return -ENOMEM; 1208203c4805SLuis R. Rodriguez 1209203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 1210203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 1211203c4805SLuis R. Rodriguez 1212203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 1213203c4805SLuis R. Rodriguez return -ENOMEM; 1214203c4805SLuis R. Rodriguez 1215203c4805SLuis R. Rodriguez /* Fill raw dataset 1216203c4805SLuis R. Rodriguez * convert all pwr levels to 1217203c4805SLuis R. Rodriguez * quarter dB for RF5112 combatibility */ 1218203c4805SLuis R. Rodriguez pd->pd_step[0] = pcinfo->pddac_i[pdg]; 1219203c4805SLuis R. Rodriguez pd->pd_pwr[0] = 4 * pcinfo->pwr_i[pdg]; 1220203c4805SLuis R. Rodriguez 1221203c4805SLuis R. Rodriguez for (point = 1; point < pd->pd_points; point++) { 1222203c4805SLuis R. Rodriguez 1223203c4805SLuis R. Rodriguez pd->pd_pwr[point] = pd->pd_pwr[point - 1] + 1224203c4805SLuis R. Rodriguez 2 * pcinfo->pwr[pdg][point - 1]; 1225203c4805SLuis R. Rodriguez 1226203c4805SLuis R. Rodriguez pd->pd_step[point] = pd->pd_step[point - 1] + 1227203c4805SLuis R. Rodriguez pcinfo->pddac[pdg][point - 1]; 1228203c4805SLuis R. Rodriguez 1229203c4805SLuis R. Rodriguez } 1230203c4805SLuis R. Rodriguez 1231203c4805SLuis R. Rodriguez /* Highest gain curve -> min power */ 1232203c4805SLuis R. Rodriguez if (pdg == 0) 1233203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 1234203c4805SLuis R. Rodriguez 1235203c4805SLuis R. Rodriguez /* Lowest gain curve -> max power */ 1236203c4805SLuis R. Rodriguez if (pdg == ee->ee_pd_gains[mode] - 1) 1237203c4805SLuis R. Rodriguez chinfo[pier].max_pwr = 1238203c4805SLuis R. Rodriguez pd->pd_pwr[pd->pd_points - 1]; 1239203c4805SLuis R. Rodriguez } 1240203c4805SLuis R. Rodriguez } 1241203c4805SLuis R. Rodriguez 1242203c4805SLuis R. Rodriguez return 0; 1243203c4805SLuis R. Rodriguez } 1244203c4805SLuis R. Rodriguez 1245203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 1246203c4805SLuis R. Rodriguez static int 1247203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode) 1248203c4805SLuis R. Rodriguez { 1249203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1250203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf2413 *pcinfo; 1251203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo; 1252203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1253203c4805SLuis R. Rodriguez u32 offset; 1254203c4805SLuis R. Rodriguez int idx, i, ret; 1255203c4805SLuis R. Rodriguez u16 val; 1256203c4805SLuis R. Rodriguez u8 pd_gains = 0; 1257203c4805SLuis R. Rodriguez 1258203c4805SLuis R. Rodriguez /* Count how many curves we have and 1259203c4805SLuis R. Rodriguez * identify them (which one of the 4 1260203c4805SLuis R. Rodriguez * available curves we have on each count). 1261203c4805SLuis R. Rodriguez * Curves are stored from higher to 1262203c4805SLuis R. Rodriguez * lower gain so we go backwards */ 1263203c4805SLuis R. Rodriguez for (idx = AR5K_EEPROM_N_PD_CURVES - 1; idx >= 0; idx--) { 1264203c4805SLuis R. Rodriguez /* ee_x_gain[mode] is x gain mask */ 1265203c4805SLuis R. Rodriguez if ((ee->ee_x_gain[mode] >> idx) & 0x1) 1266203c4805SLuis R. Rodriguez pdgain_idx[pd_gains++] = idx; 1267203c4805SLuis R. Rodriguez 1268203c4805SLuis R. Rodriguez } 1269203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = pd_gains; 1270203c4805SLuis R. Rodriguez 1271203c4805SLuis R. Rodriguez if (pd_gains == 0) 1272203c4805SLuis R. Rodriguez return -EINVAL; 1273203c4805SLuis R. Rodriguez 1274203c4805SLuis R. Rodriguez offset = ath5k_cal_data_offset_2413(ee, mode); 1275203c4805SLuis R. Rodriguez switch (mode) { 1276203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1277203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 1278203c4805SLuis R. Rodriguez return 0; 1279203c4805SLuis R. Rodriguez 1280203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(ah, offset); 1281203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_5GHZ_CHAN / 2; 1282203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_a; 1283203c4805SLuis R. Rodriguez break; 1284203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1285203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) 1286203c4805SLuis R. Rodriguez return 0; 1287203c4805SLuis R. Rodriguez 1288203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(ah, mode, offset); 1289203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1290203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_b; 1291203c4805SLuis R. Rodriguez break; 1292203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1293203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 1294203c4805SLuis R. Rodriguez return 0; 1295203c4805SLuis R. Rodriguez 1296203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(ah, mode, offset); 1297203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1298203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_g; 1299203c4805SLuis R. Rodriguez break; 1300203c4805SLuis R. Rodriguez default: 1301203c4805SLuis R. Rodriguez return -EINVAL; 1302203c4805SLuis R. Rodriguez } 1303203c4805SLuis R. Rodriguez 1304203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 1305203c4805SLuis R. Rodriguez pcinfo = &chinfo[i].rf2413_info; 1306203c4805SLuis R. Rodriguez 1307203c4805SLuis R. Rodriguez /* 1308203c4805SLuis R. Rodriguez * Read pwr_i, pddac_i and the first 1309203c4805SLuis R. Rodriguez * 2 pd points (pwr, pddac) 1310203c4805SLuis R. Rodriguez */ 1311203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1312203c4805SLuis R. Rodriguez pcinfo->pwr_i[0] = val & 0x1f; 1313203c4805SLuis R. Rodriguez pcinfo->pddac_i[0] = (val >> 5) & 0x7f; 1314203c4805SLuis R. Rodriguez pcinfo->pwr[0][0] = (val >> 12) & 0xf; 1315203c4805SLuis R. Rodriguez 1316203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1317203c4805SLuis R. Rodriguez pcinfo->pddac[0][0] = val & 0x3f; 1318203c4805SLuis R. Rodriguez pcinfo->pwr[0][1] = (val >> 6) & 0xf; 1319203c4805SLuis R. Rodriguez pcinfo->pddac[0][1] = (val >> 10) & 0x3f; 1320203c4805SLuis R. Rodriguez 1321203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1322203c4805SLuis R. Rodriguez pcinfo->pwr[0][2] = val & 0xf; 1323203c4805SLuis R. Rodriguez pcinfo->pddac[0][2] = (val >> 4) & 0x3f; 1324203c4805SLuis R. Rodriguez 1325203c4805SLuis R. Rodriguez pcinfo->pwr[0][3] = 0; 1326203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] = 0; 1327203c4805SLuis R. Rodriguez 1328203c4805SLuis R. Rodriguez if (pd_gains > 1) { 1329203c4805SLuis R. Rodriguez /* 1330203c4805SLuis R. Rodriguez * Pd gain 0 is not the last pd gain 1331203c4805SLuis R. Rodriguez * so it only has 2 pd points. 1332203c4805SLuis R. Rodriguez * Continue wih pd gain 1. 1333203c4805SLuis R. Rodriguez */ 1334203c4805SLuis R. Rodriguez pcinfo->pwr_i[1] = (val >> 10) & 0x1f; 1335203c4805SLuis R. Rodriguez 1336203c4805SLuis R. Rodriguez pcinfo->pddac_i[1] = (val >> 15) & 0x1; 1337203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1338203c4805SLuis R. Rodriguez pcinfo->pddac_i[1] |= (val & 0x3F) << 1; 1339203c4805SLuis R. Rodriguez 1340203c4805SLuis R. Rodriguez pcinfo->pwr[1][0] = (val >> 6) & 0xf; 1341203c4805SLuis R. Rodriguez pcinfo->pddac[1][0] = (val >> 10) & 0x3f; 1342203c4805SLuis R. Rodriguez 1343203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1344203c4805SLuis R. Rodriguez pcinfo->pwr[1][1] = val & 0xf; 1345203c4805SLuis R. Rodriguez pcinfo->pddac[1][1] = (val >> 4) & 0x3f; 1346203c4805SLuis R. Rodriguez pcinfo->pwr[1][2] = (val >> 10) & 0xf; 1347203c4805SLuis R. Rodriguez 1348203c4805SLuis R. Rodriguez pcinfo->pddac[1][2] = (val >> 14) & 0x3; 1349203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1350203c4805SLuis R. Rodriguez pcinfo->pddac[1][2] |= (val & 0xF) << 2; 1351203c4805SLuis R. Rodriguez 1352203c4805SLuis R. Rodriguez pcinfo->pwr[1][3] = 0; 1353203c4805SLuis R. Rodriguez pcinfo->pddac[1][3] = 0; 1354203c4805SLuis R. Rodriguez } else if (pd_gains == 1) { 1355203c4805SLuis R. Rodriguez /* 1356203c4805SLuis R. Rodriguez * Pd gain 0 is the last one so 1357203c4805SLuis R. Rodriguez * read the extra point. 1358203c4805SLuis R. Rodriguez */ 1359203c4805SLuis R. Rodriguez pcinfo->pwr[0][3] = (val >> 10) & 0xf; 1360203c4805SLuis R. Rodriguez 1361203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] = (val >> 14) & 0x3; 1362203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1363203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] |= (val & 0xF) << 2; 1364203c4805SLuis R. Rodriguez } 1365203c4805SLuis R. Rodriguez 1366203c4805SLuis R. Rodriguez /* 1367203c4805SLuis R. Rodriguez * Proceed with the other pd_gains 1368203c4805SLuis R. Rodriguez * as above. 1369203c4805SLuis R. Rodriguez */ 1370203c4805SLuis R. Rodriguez if (pd_gains > 2) { 1371203c4805SLuis R. Rodriguez pcinfo->pwr_i[2] = (val >> 4) & 0x1f; 1372203c4805SLuis R. Rodriguez pcinfo->pddac_i[2] = (val >> 9) & 0x7f; 1373203c4805SLuis R. Rodriguez 1374203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1375203c4805SLuis R. Rodriguez pcinfo->pwr[2][0] = (val >> 0) & 0xf; 1376203c4805SLuis R. Rodriguez pcinfo->pddac[2][0] = (val >> 4) & 0x3f; 1377203c4805SLuis R. Rodriguez pcinfo->pwr[2][1] = (val >> 10) & 0xf; 1378203c4805SLuis R. Rodriguez 1379203c4805SLuis R. Rodriguez pcinfo->pddac[2][1] = (val >> 14) & 0x3; 1380203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1381203c4805SLuis R. Rodriguez pcinfo->pddac[2][1] |= (val & 0xF) << 2; 1382203c4805SLuis R. Rodriguez 1383203c4805SLuis R. Rodriguez pcinfo->pwr[2][2] = (val >> 4) & 0xf; 1384203c4805SLuis R. Rodriguez pcinfo->pddac[2][2] = (val >> 8) & 0x3f; 1385203c4805SLuis R. Rodriguez 1386203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] = 0; 1387203c4805SLuis R. Rodriguez pcinfo->pddac[2][3] = 0; 1388203c4805SLuis R. Rodriguez } else if (pd_gains == 2) { 1389203c4805SLuis R. Rodriguez pcinfo->pwr[1][3] = (val >> 4) & 0xf; 1390203c4805SLuis R. Rodriguez pcinfo->pddac[1][3] = (val >> 8) & 0x3f; 1391203c4805SLuis R. Rodriguez } 1392203c4805SLuis R. Rodriguez 1393203c4805SLuis R. Rodriguez if (pd_gains > 3) { 1394203c4805SLuis R. Rodriguez pcinfo->pwr_i[3] = (val >> 14) & 0x3; 1395203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1396203c4805SLuis R. Rodriguez pcinfo->pwr_i[3] |= ((val >> 0) & 0x7) << 2; 1397203c4805SLuis R. Rodriguez 1398203c4805SLuis R. Rodriguez pcinfo->pddac_i[3] = (val >> 3) & 0x7f; 1399203c4805SLuis R. Rodriguez pcinfo->pwr[3][0] = (val >> 10) & 0xf; 1400203c4805SLuis R. Rodriguez pcinfo->pddac[3][0] = (val >> 14) & 0x3; 1401203c4805SLuis R. Rodriguez 1402203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1403203c4805SLuis R. Rodriguez pcinfo->pddac[3][0] |= (val & 0xF) << 2; 1404203c4805SLuis R. Rodriguez pcinfo->pwr[3][1] = (val >> 4) & 0xf; 1405203c4805SLuis R. Rodriguez pcinfo->pddac[3][1] = (val >> 8) & 0x3f; 1406203c4805SLuis R. Rodriguez 1407203c4805SLuis R. Rodriguez pcinfo->pwr[3][2] = (val >> 14) & 0x3; 1408203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1409203c4805SLuis R. Rodriguez pcinfo->pwr[3][2] |= ((val >> 0) & 0x3) << 2; 1410203c4805SLuis R. Rodriguez 1411203c4805SLuis R. Rodriguez pcinfo->pddac[3][2] = (val >> 2) & 0x3f; 1412203c4805SLuis R. Rodriguez pcinfo->pwr[3][3] = (val >> 8) & 0xf; 1413203c4805SLuis R. Rodriguez 1414203c4805SLuis R. Rodriguez pcinfo->pddac[3][3] = (val >> 12) & 0xF; 1415203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1416203c4805SLuis R. Rodriguez pcinfo->pddac[3][3] |= ((val >> 0) & 0x3) << 4; 1417203c4805SLuis R. Rodriguez } else if (pd_gains == 3) { 1418203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] = (val >> 14) & 0x3; 1419203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1420203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] |= ((val >> 0) & 0x3) << 2; 1421203c4805SLuis R. Rodriguez 1422203c4805SLuis R. Rodriguez pcinfo->pddac[2][3] = (val >> 2) & 0x3f; 1423203c4805SLuis R. Rodriguez } 1424203c4805SLuis R. Rodriguez } 1425203c4805SLuis R. Rodriguez 1426203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_2413(ah, mode, chinfo); 1427203c4805SLuis R. Rodriguez } 1428203c4805SLuis R. Rodriguez 1429203c4805SLuis R. Rodriguez 1430203c4805SLuis R. Rodriguez /* 1431203c4805SLuis R. Rodriguez * Read per rate target power (this is the maximum tx power 1432203c4805SLuis R. Rodriguez * supported by the card). This info is used when setting 1433203c4805SLuis R. Rodriguez * tx power, no matter the channel. 1434203c4805SLuis R. Rodriguez * 1435203c4805SLuis R. Rodriguez * This also works for v5 EEPROMs. 1436203c4805SLuis R. Rodriguez */ 1437203c4805SLuis R. Rodriguez static int 1438203c4805SLuis R. Rodriguez ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode) 1439203c4805SLuis R. Rodriguez { 1440203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1441203c4805SLuis R. Rodriguez struct ath5k_rate_pcal_info *rate_pcal_info; 1442203c4805SLuis R. Rodriguez u8 *rate_target_pwr_num; 1443203c4805SLuis R. Rodriguez u32 offset; 1444203c4805SLuis R. Rodriguez u16 val; 1445203c4805SLuis R. Rodriguez int ret, i; 1446203c4805SLuis R. Rodriguez 1447203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1); 1448203c4805SLuis R. Rodriguez rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode]; 1449203c4805SLuis R. Rodriguez switch (mode) { 1450203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1451203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version); 1452203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_a; 1453203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_CHAN; 1454203c4805SLuis R. Rodriguez break; 1455203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1456203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version); 1457203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_b; 1458203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = 2; /* 3rd is g mode's 1st */ 1459203c4805SLuis R. Rodriguez break; 1460203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1461203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11G(ee->ee_version); 1462203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_g; 1463203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_2GHZ_CHAN; 1464203c4805SLuis R. Rodriguez break; 1465203c4805SLuis R. Rodriguez default: 1466203c4805SLuis R. Rodriguez return -EINVAL; 1467203c4805SLuis R. Rodriguez } 1468203c4805SLuis R. Rodriguez 1469203c4805SLuis R. Rodriguez /* Different freq mask for older eeproms (<= v3.2) */ 1470203c4805SLuis R. Rodriguez if (ee->ee_version <= AR5K_EEPROM_VERSION_3_2) { 1471203c4805SLuis R. Rodriguez for (i = 0; i < (*rate_target_pwr_num); i++) { 1472203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1473203c4805SLuis R. Rodriguez rate_pcal_info[i].freq = 1474203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 9) & 0x7f, mode); 1475203c4805SLuis R. Rodriguez 1476203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_6to24 = ((val >> 3) & 0x3f); 1477203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 = (val << 3) & 0x3f; 1478203c4805SLuis R. Rodriguez 1479203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1480203c4805SLuis R. Rodriguez 1481203c4805SLuis R. Rodriguez if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || 1482203c4805SLuis R. Rodriguez val == 0) { 1483203c4805SLuis R. Rodriguez (*rate_target_pwr_num) = i; 1484203c4805SLuis R. Rodriguez break; 1485203c4805SLuis R. Rodriguez } 1486203c4805SLuis R. Rodriguez 1487203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 |= ((val >> 13) & 0x7); 1488203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_48 = ((val >> 7) & 0x3f); 1489203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_54 = ((val >> 1) & 0x3f); 1490203c4805SLuis R. Rodriguez } 1491203c4805SLuis R. Rodriguez } else { 1492203c4805SLuis R. Rodriguez for (i = 0; i < (*rate_target_pwr_num); i++) { 1493203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1494203c4805SLuis R. Rodriguez rate_pcal_info[i].freq = 1495203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 1496203c4805SLuis R. Rodriguez 1497203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_6to24 = ((val >> 2) & 0x3f); 1498203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 = (val << 4) & 0x3f; 1499203c4805SLuis R. Rodriguez 1500203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1501203c4805SLuis R. Rodriguez 1502203c4805SLuis R. Rodriguez if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || 1503203c4805SLuis R. Rodriguez val == 0) { 1504203c4805SLuis R. Rodriguez (*rate_target_pwr_num) = i; 1505203c4805SLuis R. Rodriguez break; 1506203c4805SLuis R. Rodriguez } 1507203c4805SLuis R. Rodriguez 1508203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 |= (val >> 12) & 0xf; 1509203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_48 = ((val >> 6) & 0x3f); 1510203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_54 = (val & 0x3f); 1511203c4805SLuis R. Rodriguez } 1512203c4805SLuis R. Rodriguez } 1513203c4805SLuis R. Rodriguez 1514203c4805SLuis R. Rodriguez return 0; 1515203c4805SLuis R. Rodriguez } 1516203c4805SLuis R. Rodriguez 1517203c4805SLuis R. Rodriguez /* 1518203c4805SLuis R. Rodriguez * Read per channel calibration info from EEPROM 1519203c4805SLuis R. Rodriguez * 1520203c4805SLuis R. Rodriguez * This info is used to calibrate the baseband power table. Imagine 1521203c4805SLuis R. Rodriguez * that for each channel there is a power curve that's hw specific 1522203c4805SLuis R. Rodriguez * (depends on amplifier etc) and we try to "correct" this curve using 1523bf48aabbSUwe Kleine-König * offsets we pass on to phy chip (baseband -> before amplifier) so that 1524203c4805SLuis R. Rodriguez * it can use accurate power values when setting tx power (takes amplifier's 1525203c4805SLuis R. Rodriguez * performance on each channel into account). 1526203c4805SLuis R. Rodriguez * 1527203c4805SLuis R. Rodriguez * EEPROM provides us with the offsets for some pre-calibrated channels 1528203c4805SLuis R. Rodriguez * and we have to interpolate to create the full table for these channels and 1529203c4805SLuis R. Rodriguez * also the table for any channel. 1530203c4805SLuis R. Rodriguez */ 1531203c4805SLuis R. Rodriguez static int 1532203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah) 1533203c4805SLuis R. Rodriguez { 1534203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1535203c4805SLuis R. Rodriguez int (*read_pcal)(struct ath5k_hw *hw, int mode); 1536203c4805SLuis R. Rodriguez int mode; 1537203c4805SLuis R. Rodriguez int err; 1538203c4805SLuis R. Rodriguez 1539203c4805SLuis R. Rodriguez if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) && 1540203c4805SLuis R. Rodriguez (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 1)) 1541203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_5112; 1542203c4805SLuis R. Rodriguez else if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_0) && 1543203c4805SLuis R. Rodriguez (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 2)) 1544203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_2413; 1545203c4805SLuis R. Rodriguez else 1546203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_5111; 1547203c4805SLuis R. Rodriguez 1548203c4805SLuis R. Rodriguez 1549203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; 1550203c4805SLuis R. Rodriguez mode++) { 1551203c4805SLuis R. Rodriguez err = read_pcal(ah, mode); 1552203c4805SLuis R. Rodriguez if (err) 1553203c4805SLuis R. Rodriguez return err; 1554203c4805SLuis R. Rodriguez 1555203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_target_rate_pwr_info(ah, mode); 1556203c4805SLuis R. Rodriguez if (err < 0) 1557203c4805SLuis R. Rodriguez return err; 1558203c4805SLuis R. Rodriguez } 1559203c4805SLuis R. Rodriguez 1560203c4805SLuis R. Rodriguez return 0; 1561203c4805SLuis R. Rodriguez } 1562203c4805SLuis R. Rodriguez 1563203c4805SLuis R. Rodriguez static int 1564203c4805SLuis R. Rodriguez ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode) 1565203c4805SLuis R. Rodriguez { 1566203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1567203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo; 1568203c4805SLuis R. Rodriguez u8 pier, pdg; 1569203c4805SLuis R. Rodriguez 1570203c4805SLuis R. Rodriguez switch (mode) { 1571203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1572203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 1573203c4805SLuis R. Rodriguez return 0; 1574203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_a; 1575203c4805SLuis R. Rodriguez break; 1576203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1577203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) 1578203c4805SLuis R. Rodriguez return 0; 1579203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_b; 1580203c4805SLuis R. Rodriguez break; 1581203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1582203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 1583203c4805SLuis R. Rodriguez return 0; 1584203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_g; 1585203c4805SLuis R. Rodriguez break; 1586203c4805SLuis R. Rodriguez default: 1587203c4805SLuis R. Rodriguez return -EINVAL; 1588203c4805SLuis R. Rodriguez } 1589203c4805SLuis R. Rodriguez 1590203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 1591203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 1592203c4805SLuis R. Rodriguez continue; 1593203c4805SLuis R. Rodriguez 1594203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 1595203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 1596203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[pdg]; 1597203c4805SLuis R. Rodriguez 1598203c4805SLuis R. Rodriguez if (pd != NULL) { 1599203c4805SLuis R. Rodriguez kfree(pd->pd_step); 1600203c4805SLuis R. Rodriguez kfree(pd->pd_pwr); 1601203c4805SLuis R. Rodriguez } 1602203c4805SLuis R. Rodriguez } 1603203c4805SLuis R. Rodriguez 1604203c4805SLuis R. Rodriguez kfree(chinfo[pier].pd_curves); 1605203c4805SLuis R. Rodriguez } 1606203c4805SLuis R. Rodriguez 1607203c4805SLuis R. Rodriguez return 0; 1608203c4805SLuis R. Rodriguez } 1609203c4805SLuis R. Rodriguez 1610203c4805SLuis R. Rodriguez void 1611203c4805SLuis R. Rodriguez ath5k_eeprom_detach(struct ath5k_hw *ah) 1612203c4805SLuis R. Rodriguez { 1613203c4805SLuis R. Rodriguez u8 mode; 1614203c4805SLuis R. Rodriguez 1615203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) 1616203c4805SLuis R. Rodriguez ath5k_eeprom_free_pcal_info(ah, mode); 1617203c4805SLuis R. Rodriguez } 1618203c4805SLuis R. Rodriguez 1619203c4805SLuis R. Rodriguez /* Read conformance test limits used for regulatory control */ 1620203c4805SLuis R. Rodriguez static int 1621203c4805SLuis R. Rodriguez ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah) 1622203c4805SLuis R. Rodriguez { 1623203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1624203c4805SLuis R. Rodriguez struct ath5k_edge_power *rep; 1625203c4805SLuis R. Rodriguez unsigned int fmask, pmask; 1626203c4805SLuis R. Rodriguez unsigned int ctl_mode; 1627203c4805SLuis R. Rodriguez int ret, i, j; 1628203c4805SLuis R. Rodriguez u32 offset; 1629203c4805SLuis R. Rodriguez u16 val; 1630203c4805SLuis R. Rodriguez 1631203c4805SLuis R. Rodriguez pmask = AR5K_EEPROM_POWER_M; 1632203c4805SLuis R. Rodriguez fmask = AR5K_EEPROM_FREQ_M(ee->ee_version); 1633203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_CTL(ee->ee_version); 1634203c4805SLuis R. Rodriguez ee->ee_ctls = AR5K_EEPROM_N_CTLS(ee->ee_version); 1635203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_ctls; i += 2) { 1636203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1637203c4805SLuis R. Rodriguez ee->ee_ctl[i] = (val >> 8) & 0xff; 1638203c4805SLuis R. Rodriguez ee->ee_ctl[i + 1] = val & 0xff; 1639203c4805SLuis R. Rodriguez } 1640203c4805SLuis R. Rodriguez 1641203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUP8_OFFSET; 1642203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_0) 1643203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1) - 1644203c4805SLuis R. Rodriguez AR5K_EEPROM_GROUP5_OFFSET; 1645203c4805SLuis R. Rodriguez else 1646203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUPS_START(ee->ee_version); 1647203c4805SLuis R. Rodriguez 1648203c4805SLuis R. Rodriguez rep = ee->ee_ctl_pwr; 1649203c4805SLuis R. Rodriguez for(i = 0; i < ee->ee_ctls; i++) { 1650203c4805SLuis R. Rodriguez switch(ee->ee_ctl[i] & AR5K_CTL_MODE_M) { 1651203c4805SLuis R. Rodriguez case AR5K_CTL_11A: 1652203c4805SLuis R. Rodriguez case AR5K_CTL_TURBO: 1653203c4805SLuis R. Rodriguez ctl_mode = AR5K_EEPROM_MODE_11A; 1654203c4805SLuis R. Rodriguez break; 1655203c4805SLuis R. Rodriguez default: 1656203c4805SLuis R. Rodriguez ctl_mode = AR5K_EEPROM_MODE_11G; 1657203c4805SLuis R. Rodriguez break; 1658203c4805SLuis R. Rodriguez } 1659203c4805SLuis R. Rodriguez if (ee->ee_ctl[i] == 0) { 1660203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) 1661203c4805SLuis R. Rodriguez offset += 8; 1662203c4805SLuis R. Rodriguez else 1663203c4805SLuis R. Rodriguez offset += 7; 1664203c4805SLuis R. Rodriguez rep += AR5K_EEPROM_N_EDGES; 1665203c4805SLuis R. Rodriguez continue; 1666203c4805SLuis R. Rodriguez } 1667203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { 1668203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { 1669203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1670203c4805SLuis R. Rodriguez rep[j].freq = (val >> 8) & fmask; 1671203c4805SLuis R. Rodriguez rep[j + 1].freq = val & fmask; 1672203c4805SLuis R. Rodriguez } 1673203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { 1674203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1675203c4805SLuis R. Rodriguez rep[j].edge = (val >> 8) & pmask; 1676203c4805SLuis R. Rodriguez rep[j].flag = (val >> 14) & 1; 1677203c4805SLuis R. Rodriguez rep[j + 1].edge = val & pmask; 1678203c4805SLuis R. Rodriguez rep[j + 1].flag = (val >> 6) & 1; 1679203c4805SLuis R. Rodriguez } 1680203c4805SLuis R. Rodriguez } else { 1681203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1682203c4805SLuis R. Rodriguez rep[0].freq = (val >> 9) & fmask; 1683203c4805SLuis R. Rodriguez rep[1].freq = (val >> 2) & fmask; 1684203c4805SLuis R. Rodriguez rep[2].freq = (val << 5) & fmask; 1685203c4805SLuis R. Rodriguez 1686203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1687203c4805SLuis R. Rodriguez rep[2].freq |= (val >> 11) & 0x1f; 1688203c4805SLuis R. Rodriguez rep[3].freq = (val >> 4) & fmask; 1689203c4805SLuis R. Rodriguez rep[4].freq = (val << 3) & fmask; 1690203c4805SLuis R. Rodriguez 1691203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1692203c4805SLuis R. Rodriguez rep[4].freq |= (val >> 13) & 0x7; 1693203c4805SLuis R. Rodriguez rep[5].freq = (val >> 6) & fmask; 1694203c4805SLuis R. Rodriguez rep[6].freq = (val << 1) & fmask; 1695203c4805SLuis R. Rodriguez 1696203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1697203c4805SLuis R. Rodriguez rep[6].freq |= (val >> 15) & 0x1; 1698203c4805SLuis R. Rodriguez rep[7].freq = (val >> 8) & fmask; 1699203c4805SLuis R. Rodriguez 1700203c4805SLuis R. Rodriguez rep[0].edge = (val >> 2) & pmask; 1701203c4805SLuis R. Rodriguez rep[1].edge = (val << 4) & pmask; 1702203c4805SLuis R. Rodriguez 1703203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1704203c4805SLuis R. Rodriguez rep[1].edge |= (val >> 12) & 0xf; 1705203c4805SLuis R. Rodriguez rep[2].edge = (val >> 6) & pmask; 1706203c4805SLuis R. Rodriguez rep[3].edge = val & pmask; 1707203c4805SLuis R. Rodriguez 1708203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1709203c4805SLuis R. Rodriguez rep[4].edge = (val >> 10) & pmask; 1710203c4805SLuis R. Rodriguez rep[5].edge = (val >> 4) & pmask; 1711203c4805SLuis R. Rodriguez rep[6].edge = (val << 2) & pmask; 1712203c4805SLuis R. Rodriguez 1713203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1714203c4805SLuis R. Rodriguez rep[6].edge |= (val >> 14) & 0x3; 1715203c4805SLuis R. Rodriguez rep[7].edge = (val >> 8) & pmask; 1716203c4805SLuis R. Rodriguez } 1717203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j++) { 1718203c4805SLuis R. Rodriguez rep[j].freq = ath5k_eeprom_bin2freq(ee, 1719203c4805SLuis R. Rodriguez rep[j].freq, ctl_mode); 1720203c4805SLuis R. Rodriguez } 1721203c4805SLuis R. Rodriguez rep += AR5K_EEPROM_N_EDGES; 1722203c4805SLuis R. Rodriguez } 1723203c4805SLuis R. Rodriguez 1724203c4805SLuis R. Rodriguez return 0; 1725203c4805SLuis R. Rodriguez } 1726203c4805SLuis R. Rodriguez 1727cd417519SNick Kossifidis static int 1728cd417519SNick Kossifidis ath5k_eeprom_read_spur_chans(struct ath5k_hw *ah) 1729cd417519SNick Kossifidis { 1730cd417519SNick Kossifidis struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1731cd417519SNick Kossifidis u32 offset; 1732cd417519SNick Kossifidis u16 val; 1733cd417519SNick Kossifidis int ret = 0, i; 1734cd417519SNick Kossifidis 1735cd417519SNick Kossifidis offset = AR5K_EEPROM_CTL(ee->ee_version) + 1736cd417519SNick Kossifidis AR5K_EEPROM_N_CTLS(ee->ee_version); 1737cd417519SNick Kossifidis 1738cd417519SNick Kossifidis if (ee->ee_version < AR5K_EEPROM_VERSION_5_3) { 1739cd417519SNick Kossifidis /* No spur info for 5GHz */ 1740cd417519SNick Kossifidis ee->ee_spur_chans[0][0] = AR5K_EEPROM_NO_SPUR; 1741cd417519SNick Kossifidis /* 2 channels for 2GHz (2464/2420) */ 1742cd417519SNick Kossifidis ee->ee_spur_chans[0][1] = AR5K_EEPROM_5413_SPUR_CHAN_1; 1743cd417519SNick Kossifidis ee->ee_spur_chans[1][1] = AR5K_EEPROM_5413_SPUR_CHAN_2; 1744cd417519SNick Kossifidis ee->ee_spur_chans[2][1] = AR5K_EEPROM_NO_SPUR; 1745cd417519SNick Kossifidis } else if (ee->ee_version >= AR5K_EEPROM_VERSION_5_3) { 1746cd417519SNick Kossifidis for (i = 0; i < AR5K_EEPROM_N_SPUR_CHANS; i++) { 1747cd417519SNick Kossifidis AR5K_EEPROM_READ(offset, val); 1748cd417519SNick Kossifidis ee->ee_spur_chans[i][0] = val; 1749cd417519SNick Kossifidis AR5K_EEPROM_READ(offset + AR5K_EEPROM_N_SPUR_CHANS, 1750cd417519SNick Kossifidis val); 1751cd417519SNick Kossifidis ee->ee_spur_chans[i][1] = val; 1752cd417519SNick Kossifidis offset++; 1753cd417519SNick Kossifidis } 1754cd417519SNick Kossifidis } 1755cd417519SNick Kossifidis 1756cd417519SNick Kossifidis return ret; 1757cd417519SNick Kossifidis } 1758203c4805SLuis R. Rodriguez 1759203c4805SLuis R. Rodriguez /* 1760cd417519SNick Kossifidis * Initialize eeprom data structure 1761203c4805SLuis R. Rodriguez */ 1762203c4805SLuis R. Rodriguez int 1763203c4805SLuis R. Rodriguez ath5k_eeprom_init(struct ath5k_hw *ah) 1764203c4805SLuis R. Rodriguez { 1765203c4805SLuis R. Rodriguez int err; 1766203c4805SLuis R. Rodriguez 1767203c4805SLuis R. Rodriguez err = ath5k_eeprom_init_header(ah); 1768203c4805SLuis R. Rodriguez if (err < 0) 1769203c4805SLuis R. Rodriguez return err; 1770203c4805SLuis R. Rodriguez 1771203c4805SLuis R. Rodriguez err = ath5k_eeprom_init_modes(ah); 1772203c4805SLuis R. Rodriguez if (err < 0) 1773203c4805SLuis R. Rodriguez return err; 1774203c4805SLuis R. Rodriguez 1775203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_pcal_info(ah); 1776203c4805SLuis R. Rodriguez if (err < 0) 1777203c4805SLuis R. Rodriguez return err; 1778203c4805SLuis R. Rodriguez 1779203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_ctl_info(ah); 1780203c4805SLuis R. Rodriguez if (err < 0) 1781203c4805SLuis R. Rodriguez return err; 1782203c4805SLuis R. Rodriguez 1783cd417519SNick Kossifidis err = ath5k_eeprom_read_spur_chans(ah); 1784cd417519SNick Kossifidis if (err < 0) 1785cd417519SNick Kossifidis return err; 1786cd417519SNick Kossifidis 1787203c4805SLuis R. Rodriguez return 0; 1788203c4805SLuis R. Rodriguez } 1789203c4805SLuis R. Rodriguez 1790203c4805SLuis R. Rodriguez /* 1791203c4805SLuis R. Rodriguez * Read the MAC address from eeprom 1792203c4805SLuis R. Rodriguez */ 1793203c4805SLuis R. Rodriguez int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac) 1794203c4805SLuis R. Rodriguez { 1795203c4805SLuis R. Rodriguez u8 mac_d[ETH_ALEN] = {}; 1796203c4805SLuis R. Rodriguez u32 total, offset; 1797203c4805SLuis R. Rodriguez u16 data; 1798203c4805SLuis R. Rodriguez int octet, ret; 1799203c4805SLuis R. Rodriguez 1800203c4805SLuis R. Rodriguez ret = ath5k_hw_eeprom_read(ah, 0x20, &data); 1801203c4805SLuis R. Rodriguez if (ret) 1802203c4805SLuis R. Rodriguez return ret; 1803203c4805SLuis R. Rodriguez 1804203c4805SLuis R. Rodriguez for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) { 1805203c4805SLuis R. Rodriguez ret = ath5k_hw_eeprom_read(ah, offset, &data); 1806203c4805SLuis R. Rodriguez if (ret) 1807203c4805SLuis R. Rodriguez return ret; 1808203c4805SLuis R. Rodriguez 1809203c4805SLuis R. Rodriguez total += data; 1810203c4805SLuis R. Rodriguez mac_d[octet + 1] = data & 0xff; 1811203c4805SLuis R. Rodriguez mac_d[octet] = data >> 8; 1812203c4805SLuis R. Rodriguez octet += 2; 1813203c4805SLuis R. Rodriguez } 1814203c4805SLuis R. Rodriguez 1815203c4805SLuis R. Rodriguez if (!total || total == 3 * 0xffff) 1816203c4805SLuis R. Rodriguez return -EINVAL; 1817203c4805SLuis R. Rodriguez 1818203c4805SLuis R. Rodriguez memcpy(mac, mac_d, ETH_ALEN); 1819203c4805SLuis R. Rodriguez 1820203c4805SLuis R. Rodriguez return 0; 1821203c4805SLuis R. Rodriguez } 1822