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 24516304b0SJoe Perches #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 25516304b0SJoe Perches 265a0e3ad6STejun Heo #include <linux/slab.h> 275a0e3ad6STejun Heo 28203c4805SLuis R. Rodriguez #include "ath5k.h" 29203c4805SLuis R. Rodriguez #include "reg.h" 30203c4805SLuis R. Rodriguez #include "debug.h" 31203c4805SLuis R. Rodriguez 329320b5c4SNick Kossifidis 339320b5c4SNick Kossifidis /******************\ 349320b5c4SNick Kossifidis * Helper functions * 359320b5c4SNick Kossifidis \******************/ 369320b5c4SNick Kossifidis 379320b5c4SNick Kossifidis /* 389320b5c4SNick Kossifidis * Translate binary channel representation in EEPROM to frequency 399320b5c4SNick Kossifidis */ 409320b5c4SNick Kossifidis static u16 ath5k_eeprom_bin2freq(struct ath5k_eeprom_info *ee, u16 bin, 419320b5c4SNick Kossifidis unsigned int mode) 429320b5c4SNick Kossifidis { 439320b5c4SNick Kossifidis u16 val; 449320b5c4SNick Kossifidis 459320b5c4SNick Kossifidis if (bin == AR5K_EEPROM_CHANNEL_DIS) 469320b5c4SNick Kossifidis return bin; 479320b5c4SNick Kossifidis 489320b5c4SNick Kossifidis if (mode == AR5K_EEPROM_MODE_11A) { 499320b5c4SNick Kossifidis if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) 509320b5c4SNick Kossifidis val = (5 * bin) + 4800; 519320b5c4SNick Kossifidis else 529320b5c4SNick Kossifidis val = bin > 62 ? (10 * 62) + (5 * (bin - 62)) + 5100 : 539320b5c4SNick Kossifidis (bin * 10) + 5100; 549320b5c4SNick Kossifidis } else { 559320b5c4SNick Kossifidis if (ee->ee_version > AR5K_EEPROM_VERSION_3_2) 569320b5c4SNick Kossifidis val = bin + 2300; 579320b5c4SNick Kossifidis else 589320b5c4SNick Kossifidis val = bin + 2400; 599320b5c4SNick Kossifidis } 609320b5c4SNick Kossifidis 619320b5c4SNick Kossifidis return val; 629320b5c4SNick Kossifidis } 639320b5c4SNick Kossifidis 649320b5c4SNick Kossifidis 659320b5c4SNick Kossifidis /*********\ 669320b5c4SNick Kossifidis * Parsers * 679320b5c4SNick Kossifidis \*********/ 689320b5c4SNick Kossifidis 69203c4805SLuis R. Rodriguez /* 70203c4805SLuis R. Rodriguez * Initialize eeprom & capabilities structs 71203c4805SLuis R. Rodriguez */ 72203c4805SLuis R. Rodriguez static int 73203c4805SLuis R. Rodriguez ath5k_eeprom_init_header(struct ath5k_hw *ah) 74203c4805SLuis R. Rodriguez { 75203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 76203c4805SLuis R. Rodriguez u16 val; 77359207c6SLuis R. Rodriguez u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX; 78203c4805SLuis R. Rodriguez 79203c4805SLuis R. Rodriguez /* 80203c4805SLuis R. Rodriguez * Read values from EEPROM and store them in the capability structure 81203c4805SLuis R. Rodriguez */ 82203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MAGIC, ee_magic); 83203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_PROTECT, ee_protect); 84203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_REG_DOMAIN, ee_regdomain); 85203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_VERSION, ee_version); 86203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_HDR, ee_header); 87203c4805SLuis R. Rodriguez 88203c4805SLuis R. Rodriguez /* Return if we have an old EEPROM */ 89203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) 90203c4805SLuis R. Rodriguez return 0; 91203c4805SLuis R. Rodriguez 92203c4805SLuis R. Rodriguez /* 93203c4805SLuis R. Rodriguez * Validate the checksum of the EEPROM date. There are some 94203c4805SLuis R. Rodriguez * devices with invalid EEPROMs. 95203c4805SLuis R. Rodriguez */ 96359207c6SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val); 97359207c6SLuis R. Rodriguez if (val) { 98359207c6SLuis R. Rodriguez eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << 99359207c6SLuis R. Rodriguez AR5K_EEPROM_SIZE_ENDLOC_SHIFT; 100359207c6SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val); 101359207c6SLuis R. Rodriguez eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE; 102359207c6SLuis R. Rodriguez 103359207c6SLuis R. Rodriguez /* 104359207c6SLuis R. Rodriguez * Fail safe check to prevent stupid loops due 105359207c6SLuis R. Rodriguez * to busted EEPROMs. XXX: This value is likely too 106359207c6SLuis R. Rodriguez * big still, waiting on a better value. 107359207c6SLuis R. Rodriguez */ 108359207c6SLuis R. Rodriguez if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) { 109e0d687bdSPavel Roskin ATH5K_ERR(ah, "Invalid max custom EEPROM size: " 110359207c6SLuis R. Rodriguez "%d (0x%04x) max expected: %d (0x%04x)\n", 111359207c6SLuis R. Rodriguez eep_max, eep_max, 112359207c6SLuis R. Rodriguez 3 * AR5K_EEPROM_INFO_MAX, 113359207c6SLuis R. Rodriguez 3 * AR5K_EEPROM_INFO_MAX); 114359207c6SLuis R. Rodriguez return -EIO; 115359207c6SLuis R. Rodriguez } 116359207c6SLuis R. Rodriguez } 117359207c6SLuis R. Rodriguez 118359207c6SLuis R. Rodriguez for (cksum = 0, offset = 0; offset < eep_max; offset++) { 119203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val); 120203c4805SLuis R. Rodriguez cksum ^= val; 121203c4805SLuis R. Rodriguez } 122203c4805SLuis R. Rodriguez if (cksum != AR5K_EEPROM_INFO_CKSUM) { 123e0d687bdSPavel Roskin ATH5K_ERR(ah, "Invalid EEPROM " 124359207c6SLuis R. Rodriguez "checksum: 0x%04x eep_max: 0x%04x (%s)\n", 125359207c6SLuis R. Rodriguez cksum, eep_max, 126359207c6SLuis R. Rodriguez eep_max == AR5K_EEPROM_INFO_MAX ? 127359207c6SLuis R. Rodriguez "default size" : "custom size"); 128203c4805SLuis R. Rodriguez return -EIO; 129203c4805SLuis R. Rodriguez } 130203c4805SLuis R. Rodriguez 131203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version), 132203c4805SLuis R. Rodriguez ee_ant_gain); 133203c4805SLuis R. Rodriguez 134203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) { 135203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC0, ee_misc0); 136203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC1, ee_misc1); 137203c4805SLuis R. Rodriguez 138203c4805SLuis R. Rodriguez /* XXX: Don't know which versions include these two */ 139203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC2, ee_misc2); 140203c4805SLuis R. Rodriguez 141203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) 142203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC3, ee_misc3); 143203c4805SLuis R. Rodriguez 144203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_5_0) { 145203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC4, ee_misc4); 146203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC5, ee_misc5); 147203c4805SLuis R. Rodriguez AR5K_EEPROM_READ_HDR(AR5K_EEPROM_MISC6, ee_misc6); 148203c4805SLuis R. Rodriguez } 149203c4805SLuis R. Rodriguez } 150203c4805SLuis R. Rodriguez 151203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_3) { 152203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_OBDB0_2GHZ, val); 153203c4805SLuis R. Rodriguez ee->ee_ob[AR5K_EEPROM_MODE_11B][0] = val & 0x7; 154203c4805SLuis R. Rodriguez ee->ee_db[AR5K_EEPROM_MODE_11B][0] = (val >> 3) & 0x7; 155203c4805SLuis R. Rodriguez 156203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(AR5K_EEPROM_OBDB1_2GHZ, val); 157203c4805SLuis R. Rodriguez ee->ee_ob[AR5K_EEPROM_MODE_11G][0] = val & 0x7; 158203c4805SLuis R. Rodriguez ee->ee_db[AR5K_EEPROM_MODE_11G][0] = (val >> 3) & 0x7; 159203c4805SLuis R. Rodriguez } 160203c4805SLuis R. Rodriguez 1611889ba0aSNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_IS_HB63, val); 1621889ba0aSNick Kossifidis 1631889ba0aSNick Kossifidis if ((ah->ah_mac_version == (AR5K_SREV_AR2425 >> 4)) && val) 1641889ba0aSNick Kossifidis ee->ee_is_hb63 = true; 1651889ba0aSNick Kossifidis else 1661889ba0aSNick Kossifidis ee->ee_is_hb63 = false; 1671889ba0aSNick Kossifidis 1681889ba0aSNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_RFKILL, val); 1691889ba0aSNick Kossifidis ee->ee_rfkill_pin = (u8) AR5K_REG_MS(val, AR5K_EEPROM_RFKILL_GPIO_SEL); 1701889ba0aSNick Kossifidis ee->ee_rfkill_pol = val & AR5K_EEPROM_RFKILL_POLARITY ? true : false; 1711889ba0aSNick Kossifidis 172c38e7a93SNick Kossifidis /* Check if PCIE_OFFSET points to PCIE_SERDES_SECTION 173c38e7a93SNick Kossifidis * and enable serdes programming if needed. 174c38e7a93SNick Kossifidis * 175c38e7a93SNick Kossifidis * XXX: Serdes values seem to be fixed so 176c38e7a93SNick Kossifidis * no need to read them here, we write them 177132b1c3eSFelix Fietkau * during ath5k_hw_init */ 178c38e7a93SNick Kossifidis AR5K_EEPROM_READ(AR5K_EEPROM_PCIE_OFFSET, val); 179c38e7a93SNick Kossifidis ee->ee_serdes = (val == AR5K_EEPROM_PCIE_SERDES_SECTION) ? 180c38e7a93SNick Kossifidis true : false; 181c38e7a93SNick Kossifidis 182203c4805SLuis R. Rodriguez return 0; 183203c4805SLuis R. Rodriguez } 184203c4805SLuis R. Rodriguez 185203c4805SLuis R. Rodriguez 186203c4805SLuis R. Rodriguez /* 187203c4805SLuis R. Rodriguez * Read antenna infos from eeprom 188203c4805SLuis R. Rodriguez */ 189203c4805SLuis R. Rodriguez static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, 190203c4805SLuis R. Rodriguez unsigned int mode) 191203c4805SLuis R. Rodriguez { 192203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 193203c4805SLuis R. Rodriguez u32 o = *offset; 194203c4805SLuis R. Rodriguez u16 val; 195fda9b7afSWojciech Dubowik int i = 0; 196203c4805SLuis R. Rodriguez 197203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 198203c4805SLuis R. Rodriguez ee->ee_switch_settling[mode] = (val >> 8) & 0x7f; 199203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx[mode] = (val >> 2) & 0x3f; 200203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; 201203c4805SLuis R. Rodriguez 202203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 203203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; 204203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; 205203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = val & 0x3f; 206203c4805SLuis R. Rodriguez 207203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 208203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 10) & 0x3f; 209203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 4) & 0x3f; 210203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 2) & 0x3f; 211203c4805SLuis R. Rodriguez 212203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 213203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 14) & 0x3; 214203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 8) & 0x3f; 215203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 2) & 0x3f; 216203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i] = (val << 4) & 0x3f; 217203c4805SLuis R. Rodriguez 218203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 219203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] |= (val >> 12) & 0xf; 220203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = (val >> 6) & 0x3f; 221203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][i++] = val & 0x3f; 222203c4805SLuis R. Rodriguez 2232bed03ebSNick Kossifidis /* Get antenna switch tables */ 2242bed03ebSNick Kossifidis ah->ah_ant_ctl[mode][AR5K_ANT_CTL] = 225203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][0] << 4); 2262bed03ebSNick Kossifidis ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_A] = 227203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][1] | 228203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][2] << 6) | 229203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][3] << 12) | 230203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][4] << 18) | 231203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][5] << 24); 2322bed03ebSNick Kossifidis ah->ah_ant_ctl[mode][AR5K_ANT_SWTABLE_B] = 233203c4805SLuis R. Rodriguez ee->ee_ant_control[mode][6] | 234203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][7] << 6) | 235203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][8] << 12) | 236203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][9] << 18) | 237203c4805SLuis R. Rodriguez (ee->ee_ant_control[mode][10] << 24); 238203c4805SLuis R. Rodriguez 239203c4805SLuis R. Rodriguez /* return new offset */ 240203c4805SLuis R. Rodriguez *offset = o; 241203c4805SLuis R. Rodriguez 242203c4805SLuis R. Rodriguez return 0; 243203c4805SLuis R. Rodriguez } 244203c4805SLuis R. Rodriguez 245203c4805SLuis R. Rodriguez /* 246203c4805SLuis R. Rodriguez * Read supported modes and some mode-specific calibration data 247203c4805SLuis R. Rodriguez * from eeprom 248203c4805SLuis R. Rodriguez */ 249203c4805SLuis R. Rodriguez static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, 250203c4805SLuis R. Rodriguez unsigned int mode) 251203c4805SLuis R. Rodriguez { 252203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 253203c4805SLuis R. Rodriguez u32 o = *offset; 254203c4805SLuis R. Rodriguez u16 val; 255203c4805SLuis R. Rodriguez 256203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 0; 257203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 258203c4805SLuis R. Rodriguez ee->ee_adc_desired_size[mode] = (s8)((val >> 8) & 0xff); 259203c4805SLuis R. Rodriguez switch (mode) { 260203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 261203c4805SLuis R. Rodriguez ee->ee_ob[mode][3] = (val >> 5) & 0x7; 262203c4805SLuis R. Rodriguez ee->ee_db[mode][3] = (val >> 2) & 0x7; 263203c4805SLuis R. Rodriguez ee->ee_ob[mode][2] = (val << 1) & 0x7; 264203c4805SLuis R. Rodriguez 265203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 266203c4805SLuis R. Rodriguez ee->ee_ob[mode][2] |= (val >> 15) & 0x1; 267203c4805SLuis R. Rodriguez ee->ee_db[mode][2] = (val >> 12) & 0x7; 268203c4805SLuis R. Rodriguez ee->ee_ob[mode][1] = (val >> 9) & 0x7; 269203c4805SLuis R. Rodriguez ee->ee_db[mode][1] = (val >> 6) & 0x7; 270203c4805SLuis R. Rodriguez ee->ee_ob[mode][0] = (val >> 3) & 0x7; 271203c4805SLuis R. Rodriguez ee->ee_db[mode][0] = val & 0x7; 272203c4805SLuis R. Rodriguez break; 273203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 274203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 275203c4805SLuis R. Rodriguez ee->ee_ob[mode][1] = (val >> 4) & 0x7; 276203c4805SLuis R. Rodriguez ee->ee_db[mode][1] = val & 0x7; 277203c4805SLuis R. Rodriguez break; 278203c4805SLuis R. Rodriguez } 279203c4805SLuis R. Rodriguez 280203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 281203c4805SLuis R. Rodriguez ee->ee_tx_end2xlna_enable[mode] = (val >> 8) & 0xff; 282203c4805SLuis R. Rodriguez ee->ee_thr_62[mode] = val & 0xff; 283203c4805SLuis R. Rodriguez 284203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) 285203c4805SLuis R. Rodriguez ee->ee_thr_62[mode] = mode == AR5K_EEPROM_MODE_11A ? 15 : 28; 286203c4805SLuis R. Rodriguez 287203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 288203c4805SLuis R. Rodriguez ee->ee_tx_end2xpa_disable[mode] = (val >> 8) & 0xff; 289203c4805SLuis R. Rodriguez ee->ee_tx_frm2xpa_enable[mode] = val & 0xff; 290203c4805SLuis R. Rodriguez 291203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 292203c4805SLuis R. Rodriguez ee->ee_pga_desired_size[mode] = (val >> 8) & 0xff; 293203c4805SLuis R. Rodriguez 294203c4805SLuis R. Rodriguez if ((val & 0xff) & 0x80) 295203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = -((((val & 0xff) ^ 0xff)) + 1); 296203c4805SLuis R. Rodriguez else 297203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = val & 0xff; 298203c4805SLuis R. Rodriguez 299203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) 300203c4805SLuis R. Rodriguez ee->ee_noise_floor_thr[mode] = 301203c4805SLuis R. Rodriguez mode == AR5K_EEPROM_MODE_11A ? -54 : -1; 302203c4805SLuis R. Rodriguez 303203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 304203c4805SLuis R. Rodriguez ee->ee_xlna_gain[mode] = (val >> 5) & 0xff; 305203c4805SLuis R. Rodriguez ee->ee_x_gain[mode] = (val >> 1) & 0xf; 306203c4805SLuis R. Rodriguez ee->ee_xpd[mode] = val & 0x1; 307203c4805SLuis R. Rodriguez 308687c8ff1SBruno Randolf if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && 309687c8ff1SBruno Randolf mode != AR5K_EEPROM_MODE_11B) 310203c4805SLuis R. Rodriguez ee->ee_fixed_bias[mode] = (val >> 13) & 0x1; 311203c4805SLuis R. Rodriguez 312203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_3) { 313203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 314203c4805SLuis R. Rodriguez ee->ee_false_detect[mode] = (val >> 6) & 0x7f; 315203c4805SLuis R. Rodriguez 316203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11A) 317203c4805SLuis R. Rodriguez ee->ee_xr_power[mode] = val & 0x3f; 318203c4805SLuis R. Rodriguez else { 319687c8ff1SBruno Randolf /* b_DB_11[bg] and b_OB_11[bg] */ 320203c4805SLuis R. Rodriguez ee->ee_ob[mode][0] = val & 0x7; 321203c4805SLuis R. Rodriguez ee->ee_db[mode][0] = (val >> 3) & 0x7; 322203c4805SLuis R. Rodriguez } 323203c4805SLuis R. Rodriguez } 324203c4805SLuis R. Rodriguez 325203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_4) { 326203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] = AR5K_EEPROM_I_GAIN; 327203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_power_delta = AR5K_EEPROM_CCK_OFDM_DELTA; 328203c4805SLuis R. Rodriguez } else { 329203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] = (val >> 13) & 0x7; 330203c4805SLuis R. Rodriguez 331203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 332203c4805SLuis R. Rodriguez ee->ee_i_gain[mode] |= (val << 3) & 0x38; 333203c4805SLuis R. Rodriguez 334203c4805SLuis R. Rodriguez if (mode == AR5K_EEPROM_MODE_11G) { 335203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_power_delta = (val >> 3) & 0xff; 336203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_6) 337203c4805SLuis R. Rodriguez ee->ee_scaled_cck_delta = (val >> 11) & 0x1f; 338203c4805SLuis R. Rodriguez } 339203c4805SLuis R. Rodriguez } 340203c4805SLuis R. Rodriguez 341203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0 && 342203c4805SLuis R. Rodriguez mode == AR5K_EEPROM_MODE_11A) { 343203c4805SLuis R. Rodriguez ee->ee_i_cal[mode] = (val >> 8) & 0x3f; 344203c4805SLuis R. Rodriguez ee->ee_q_cal[mode] = (val >> 3) & 0x1f; 345203c4805SLuis R. Rodriguez } 346203c4805SLuis R. Rodriguez 347203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_0) 348203c4805SLuis R. Rodriguez goto done; 349203c4805SLuis R. Rodriguez 350203c4805SLuis R. Rodriguez /* Note: >= v5 have bg freq piers on another location 351203c4805SLuis R. Rodriguez * so these freq piers are ignored for >= v5 (should be 0xff 352203c4805SLuis R. Rodriguez * anyway) */ 353203c4805SLuis R. Rodriguez switch (mode) { 354203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 355203c4805SLuis R. Rodriguez if (ah->ah_ee_version < AR5K_EEPROM_VERSION_4_1) 356203c4805SLuis R. Rodriguez break; 357203c4805SLuis R. Rodriguez 358203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 359203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = val & 0x3f; 360203c4805SLuis R. Rodriguez break; 361203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 362203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 363203c4805SLuis R. Rodriguez 364203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[0].freq = 365203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 366203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[0].freq != AR5K_EEPROM_CHANNEL_DIS) 367203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 368203c4805SLuis R. Rodriguez 369203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[1].freq = 370203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 371203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[1].freq != AR5K_EEPROM_CHANNEL_DIS) 372203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 373203c4805SLuis R. Rodriguez 374203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 375203c4805SLuis R. Rodriguez ee->ee_pwr_cal_b[2].freq = 376203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 377203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_b[2].freq != AR5K_EEPROM_CHANNEL_DIS) 378203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 379203c4805SLuis R. Rodriguez 380203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) 381203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; 382203c4805SLuis R. Rodriguez break; 383203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 384203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 385203c4805SLuis R. Rodriguez 386203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[0].freq = 387203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 388203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[0].freq != AR5K_EEPROM_CHANNEL_DIS) 389203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 390203c4805SLuis R. Rodriguez 391203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[1].freq = 392203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 393203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[1].freq != AR5K_EEPROM_CHANNEL_DIS) 394203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 395203c4805SLuis R. Rodriguez 396203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 397203c4805SLuis R. Rodriguez ee->ee_turbo_max_power[mode] = val & 0x7f; 398203c4805SLuis R. Rodriguez ee->ee_xr_power[mode] = (val >> 7) & 0x3f; 399203c4805SLuis R. Rodriguez 400203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 401203c4805SLuis R. Rodriguez ee->ee_pwr_cal_g[2].freq = 402203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, val & 0xff, mode); 403203c4805SLuis R. Rodriguez if (ee->ee_pwr_cal_g[2].freq != AR5K_EEPROM_CHANNEL_DIS) 404203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 405203c4805SLuis R. Rodriguez 406203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_1) 407203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f; 408203c4805SLuis R. Rodriguez 409203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 4105f13bfacSBruno Randolf ee->ee_i_cal[mode] = (val >> 5) & 0x3f; 4115f13bfacSBruno Randolf ee->ee_q_cal[mode] = val & 0x1f; 412203c4805SLuis R. Rodriguez 413203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) { 414203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 415203c4805SLuis R. Rodriguez ee->ee_cck_ofdm_gain_delta = val & 0xff; 416203c4805SLuis R. Rodriguez } 417203c4805SLuis R. Rodriguez break; 418203c4805SLuis R. Rodriguez } 419203c4805SLuis R. Rodriguez 420203c4805SLuis R. Rodriguez /* 421203c4805SLuis R. Rodriguez * Read turbo mode information on newer EEPROM versions 422203c4805SLuis R. Rodriguez */ 423203c4805SLuis R. Rodriguez if (ee->ee_version < AR5K_EEPROM_VERSION_5_0) 4243b3ee43dSPavel Roskin goto done; 425203c4805SLuis R. Rodriguez 426203c4805SLuis R. Rodriguez switch (mode) { 427203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 428203c4805SLuis R. Rodriguez ee->ee_switch_settling_turbo[mode] = (val >> 6) & 0x7f; 429203c4805SLuis R. Rodriguez 430203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] = (val >> 13) & 0x7; 431203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 432203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x7) << 3; 433203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx_turbo[mode] = (val >> 3) & 0x3f; 434203c4805SLuis R. Rodriguez 435203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] = (val >> 9) & 0x7f; 436203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 437203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] |= (val & 0x1) << 7; 438203c4805SLuis R. Rodriguez ee->ee_pga_desired_size_turbo[mode] = (val >> 1) & 0xff; 439203c4805SLuis R. Rodriguez 440203c4805SLuis R. Rodriguez if (AR5K_EEPROM_EEMAP(ee->ee_misc0) >= 2) 441203c4805SLuis R. Rodriguez ee->ee_pd_gain_overlap = (val >> 9) & 0xf; 442203c4805SLuis R. Rodriguez break; 443203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 444203c4805SLuis R. Rodriguez ee->ee_switch_settling_turbo[mode] = (val >> 8) & 0x7f; 445203c4805SLuis R. Rodriguez 446203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] = (val >> 15) & 0x7; 447203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 448203c4805SLuis R. Rodriguez ee->ee_atn_tx_rx_turbo[mode] |= (val & 0x1f) << 1; 449203c4805SLuis R. Rodriguez ee->ee_margin_tx_rx_turbo[mode] = (val >> 5) & 0x3f; 450203c4805SLuis R. Rodriguez 451203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] = (val >> 11) & 0x7f; 452203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 453203c4805SLuis R. Rodriguez ee->ee_adc_desired_size_turbo[mode] |= (val & 0x7) << 5; 454203c4805SLuis R. Rodriguez ee->ee_pga_desired_size_turbo[mode] = (val >> 3) & 0xff; 455203c4805SLuis R. Rodriguez break; 456203c4805SLuis R. Rodriguez } 457203c4805SLuis R. Rodriguez 4583b3ee43dSPavel Roskin done: 459203c4805SLuis R. Rodriguez /* return new offset */ 460203c4805SLuis R. Rodriguez *offset = o; 461203c4805SLuis R. Rodriguez 462203c4805SLuis R. Rodriguez return 0; 463203c4805SLuis R. Rodriguez } 464203c4805SLuis R. Rodriguez 465203c4805SLuis R. Rodriguez /* Read mode-specific data (except power calibration data) */ 466203c4805SLuis R. Rodriguez static int 467203c4805SLuis R. Rodriguez ath5k_eeprom_init_modes(struct ath5k_hw *ah) 468203c4805SLuis R. Rodriguez { 469203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 470203c4805SLuis R. Rodriguez u32 mode_offset[3]; 471203c4805SLuis R. Rodriguez unsigned int mode; 472203c4805SLuis R. Rodriguez u32 offset; 473203c4805SLuis R. Rodriguez int ret; 474203c4805SLuis R. Rodriguez 475203c4805SLuis R. Rodriguez /* 476203c4805SLuis R. Rodriguez * Get values for all modes 477203c4805SLuis R. Rodriguez */ 478203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11A] = AR5K_EEPROM_MODES_11A(ah->ah_ee_version); 479203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11B] = AR5K_EEPROM_MODES_11B(ah->ah_ee_version); 480203c4805SLuis R. Rodriguez mode_offset[AR5K_EEPROM_MODE_11G] = AR5K_EEPROM_MODES_11G(ah->ah_ee_version); 481203c4805SLuis R. Rodriguez 482203c4805SLuis R. Rodriguez ee->ee_turbo_max_power[AR5K_EEPROM_MODE_11A] = 483203c4805SLuis R. Rodriguez AR5K_EEPROM_HDR_T_5GHZ_DBM(ee->ee_header); 484203c4805SLuis R. Rodriguez 485203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) { 486203c4805SLuis R. Rodriguez offset = mode_offset[mode]; 487203c4805SLuis R. Rodriguez 488203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_ants(ah, &offset, mode); 489203c4805SLuis R. Rodriguez if (ret) 490203c4805SLuis R. Rodriguez return ret; 491203c4805SLuis R. Rodriguez 492203c4805SLuis R. Rodriguez ret = ath5k_eeprom_read_modes(ah, &offset, mode); 493203c4805SLuis R. Rodriguez if (ret) 494203c4805SLuis R. Rodriguez return ret; 495203c4805SLuis R. Rodriguez } 496203c4805SLuis R. Rodriguez 497203c4805SLuis R. Rodriguez /* override for older eeprom versions for better performance */ 498203c4805SLuis R. Rodriguez if (ah->ah_ee_version <= AR5K_EEPROM_VERSION_3_2) { 499203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11A] = 15; 500203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11B] = 28; 501203c4805SLuis R. Rodriguez ee->ee_thr_62[AR5K_EEPROM_MODE_11G] = 28; 502203c4805SLuis R. Rodriguez } 503203c4805SLuis R. Rodriguez 504203c4805SLuis R. Rodriguez return 0; 505203c4805SLuis R. Rodriguez } 506203c4805SLuis R. Rodriguez 507203c4805SLuis R. Rodriguez /* Read the frequency piers for each mode (mostly used on newer eeproms with 0xff 508203c4805SLuis R. Rodriguez * frequency mask) */ 509203c4805SLuis R. Rodriguez static inline int 510203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, 511203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pc, unsigned int mode) 512203c4805SLuis R. Rodriguez { 513203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 514203c4805SLuis R. Rodriguez int o = *offset; 515203c4805SLuis R. Rodriguez int i = 0; 516203c4805SLuis R. Rodriguez u8 freq1, freq2; 517203c4805SLuis R. Rodriguez u16 val; 518203c4805SLuis R. Rodriguez 519203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 0; 520203c4805SLuis R. Rodriguez while (i < max) { 521203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(o++, val); 522203c4805SLuis R. Rodriguez 523203c4805SLuis R. Rodriguez freq1 = val & 0xff; 524203c4805SLuis R. Rodriguez if (!freq1) 525203c4805SLuis R. Rodriguez break; 526203c4805SLuis R. Rodriguez 527203c4805SLuis R. Rodriguez pc[i++].freq = ath5k_eeprom_bin2freq(ee, 528203c4805SLuis R. Rodriguez freq1, mode); 529203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 530203c4805SLuis R. Rodriguez 531203c4805SLuis R. Rodriguez freq2 = (val >> 8) & 0xff; 532203c4805SLuis R. Rodriguez if (!freq2) 533203c4805SLuis R. Rodriguez break; 534203c4805SLuis R. Rodriguez 535203c4805SLuis R. Rodriguez pc[i++].freq = ath5k_eeprom_bin2freq(ee, 536203c4805SLuis R. Rodriguez freq2, mode); 537203c4805SLuis R. Rodriguez ee->ee_n_piers[mode]++; 538203c4805SLuis R. Rodriguez } 539203c4805SLuis R. Rodriguez 540203c4805SLuis R. Rodriguez /* return new offset */ 541203c4805SLuis R. Rodriguez *offset = o; 542203c4805SLuis R. Rodriguez 543203c4805SLuis R. Rodriguez return 0; 544203c4805SLuis R. Rodriguez } 545203c4805SLuis R. Rodriguez 546203c4805SLuis R. Rodriguez /* Read frequency piers for 802.11a */ 547203c4805SLuis R. Rodriguez static int 548203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset) 549203c4805SLuis R. Rodriguez { 550203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 551203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a; 552fda9b7afSWojciech Dubowik int i; 553203c4805SLuis R. Rodriguez u16 val; 554203c4805SLuis R. Rodriguez u8 mask; 555203c4805SLuis R. Rodriguez 556203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { 557203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(ah, &offset, 558203c4805SLuis R. Rodriguez AR5K_EEPROM_N_5GHZ_CHAN, pcal, 559203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11A); 560203c4805SLuis R. Rodriguez } else { 561203c4805SLuis R. Rodriguez mask = AR5K_EEPROM_FREQ_M(ah->ah_ee_version); 562203c4805SLuis R. Rodriguez 563203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 564203c4805SLuis R. Rodriguez pcal[0].freq = (val >> 9) & mask; 565203c4805SLuis R. Rodriguez pcal[1].freq = (val >> 2) & mask; 566203c4805SLuis R. Rodriguez pcal[2].freq = (val << 5) & mask; 567203c4805SLuis R. Rodriguez 568203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 569203c4805SLuis R. Rodriguez pcal[2].freq |= (val >> 11) & 0x1f; 570203c4805SLuis R. Rodriguez pcal[3].freq = (val >> 4) & mask; 571203c4805SLuis R. Rodriguez pcal[4].freq = (val << 3) & mask; 572203c4805SLuis R. Rodriguez 573203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 574203c4805SLuis R. Rodriguez pcal[4].freq |= (val >> 13) & 0x7; 575203c4805SLuis R. Rodriguez pcal[5].freq = (val >> 6) & mask; 576203c4805SLuis R. Rodriguez pcal[6].freq = (val << 1) & mask; 577203c4805SLuis R. Rodriguez 578203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 579203c4805SLuis R. Rodriguez pcal[6].freq |= (val >> 15) & 0x1; 580203c4805SLuis R. Rodriguez pcal[7].freq = (val >> 8) & mask; 581203c4805SLuis R. Rodriguez pcal[8].freq = (val >> 1) & mask; 582203c4805SLuis R. Rodriguez pcal[9].freq = (val << 6) & mask; 583203c4805SLuis R. Rodriguez 584203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 585203c4805SLuis R. Rodriguez pcal[9].freq |= (val >> 10) & 0x3f; 586203c4805SLuis R. Rodriguez 587203c4805SLuis R. Rodriguez /* Fixed number of piers */ 588203c4805SLuis R. Rodriguez ee->ee_n_piers[AR5K_EEPROM_MODE_11A] = 10; 589203c4805SLuis R. Rodriguez 590203c4805SLuis R. Rodriguez for (i = 0; i < AR5K_EEPROM_N_5GHZ_CHAN; i++) { 591203c4805SLuis R. Rodriguez pcal[i].freq = ath5k_eeprom_bin2freq(ee, 592203c4805SLuis R. Rodriguez pcal[i].freq, AR5K_EEPROM_MODE_11A); 593203c4805SLuis R. Rodriguez } 594203c4805SLuis R. Rodriguez } 595203c4805SLuis R. Rodriguez 596203c4805SLuis R. Rodriguez return 0; 597203c4805SLuis R. Rodriguez } 598203c4805SLuis R. Rodriguez 599203c4805SLuis R. Rodriguez /* Read frequency piers for 802.11bg on eeprom versions >= 5 and eemap >= 2 */ 600203c4805SLuis R. Rodriguez static inline int 601203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset) 602203c4805SLuis R. Rodriguez { 603203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 604203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal; 605203c4805SLuis R. Rodriguez 606203c4805SLuis R. Rodriguez switch (mode) { 607203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 608203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_b; 609203c4805SLuis R. Rodriguez break; 610203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 611203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_g; 612203c4805SLuis R. Rodriguez break; 613203c4805SLuis R. Rodriguez default: 614203c4805SLuis R. Rodriguez return -EINVAL; 615203c4805SLuis R. Rodriguez } 616203c4805SLuis R. Rodriguez 617203c4805SLuis R. Rodriguez ath5k_eeprom_read_freq_list(ah, &offset, 618203c4805SLuis R. Rodriguez AR5K_EEPROM_N_2GHZ_CHAN_2413, pcal, 619203c4805SLuis R. Rodriguez mode); 620203c4805SLuis R. Rodriguez 621203c4805SLuis R. Rodriguez return 0; 622203c4805SLuis R. Rodriguez } 623203c4805SLuis R. Rodriguez 6249320b5c4SNick Kossifidis 625203c4805SLuis R. Rodriguez /* 626203c4805SLuis R. Rodriguez * Read power calibration for RF5111 chips 627203c4805SLuis R. Rodriguez * 628203c4805SLuis R. Rodriguez * For RF5111 we have an XPD -eXternal Power Detector- curve 629203c4805SLuis R. Rodriguez * for each calibrated channel. Each curve has 0,5dB Power steps 630203c4805SLuis R. Rodriguez * on x axis and PCDAC steps (offsets) on y axis and looks like an 631203c4805SLuis R. Rodriguez * exponential function. To recreate the curve we read 11 points 632203c4805SLuis R. Rodriguez * here and interpolate later. 633203c4805SLuis R. Rodriguez */ 634203c4805SLuis R. Rodriguez 635203c4805SLuis R. Rodriguez /* Used to match PCDAC steps with power values on RF5111 chips 636203c4805SLuis R. Rodriguez * (eeprom versions < 4). For RF5111 we have 11 pre-defined PCDAC 637203c4805SLuis R. Rodriguez * steps that match with the power values we read from eeprom. On 6386a2a0e73SPavel Roskin * older eeprom versions (< 3.2) these steps are equally spaced at 639a180a130SBob Copeland * 10% of the pcdac curve -until the curve reaches its maximum- 640203c4805SLuis R. Rodriguez * (11 steps from 0 to 100%) but on newer eeprom versions (>= 3.2) 641203c4805SLuis R. Rodriguez * these 11 steps are spaced in a different way. This function returns 642203c4805SLuis R. Rodriguez * the pcdac steps based on eeprom version and curve min/max so that we 643203c4805SLuis R. Rodriguez * can have pcdac/pwr points. 644203c4805SLuis R. Rodriguez */ 645203c4805SLuis R. Rodriguez static inline void 646203c4805SLuis R. Rodriguez ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp) 647203c4805SLuis R. Rodriguez { 648d2c7f773SPavel Roskin static const u16 intercepts3[] = { 649d2c7f773SPavel Roskin 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 650d2c7f773SPavel Roskin }; 651d2c7f773SPavel Roskin static const u16 intercepts3_2[] = { 652d2c7f773SPavel Roskin 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 653d2c7f773SPavel Roskin }; 654203c4805SLuis R. Rodriguez const u16 *ip; 655203c4805SLuis R. Rodriguez int i; 656203c4805SLuis R. Rodriguez 657203c4805SLuis R. Rodriguez if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2) 658203c4805SLuis R. Rodriguez ip = intercepts3_2; 659203c4805SLuis R. Rodriguez else 660203c4805SLuis R. Rodriguez ip = intercepts3; 661203c4805SLuis R. Rodriguez 662203c4805SLuis R. Rodriguez for (i = 0; i < ARRAY_SIZE(intercepts3); i++) 663203c4805SLuis R. Rodriguez vp[i] = (ip[i] * max + (100 - ip[i]) * min) / 100; 664203c4805SLuis R. Rodriguez } 665203c4805SLuis R. Rodriguez 666a0657846SJohn W. Linville static int 667a0657846SJohn W. Linville ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode) 668a0657846SJohn W. Linville { 669a0657846SJohn W. Linville struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 670a0657846SJohn W. Linville struct ath5k_chan_pcal_info *chinfo; 671a0657846SJohn W. Linville u8 pier, pdg; 672a0657846SJohn W. Linville 673a0657846SJohn W. Linville switch (mode) { 674a0657846SJohn W. Linville case AR5K_EEPROM_MODE_11A: 675a0657846SJohn W. Linville if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 676a0657846SJohn W. Linville return 0; 677a0657846SJohn W. Linville chinfo = ee->ee_pwr_cal_a; 678a0657846SJohn W. Linville break; 679a0657846SJohn W. Linville case AR5K_EEPROM_MODE_11B: 680a0657846SJohn W. Linville if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) 681a0657846SJohn W. Linville return 0; 682a0657846SJohn W. Linville chinfo = ee->ee_pwr_cal_b; 683a0657846SJohn W. Linville break; 684a0657846SJohn W. Linville case AR5K_EEPROM_MODE_11G: 685a0657846SJohn W. Linville if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 686a0657846SJohn W. Linville return 0; 687a0657846SJohn W. Linville chinfo = ee->ee_pwr_cal_g; 688a0657846SJohn W. Linville break; 689a0657846SJohn W. Linville default: 690a0657846SJohn W. Linville return -EINVAL; 691a0657846SJohn W. Linville } 692a0657846SJohn W. Linville 693a0657846SJohn W. Linville for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 694a0657846SJohn W. Linville if (!chinfo[pier].pd_curves) 695a0657846SJohn W. Linville continue; 696a0657846SJohn W. Linville 697a0b8de35SEugene A. Shatokhin for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) { 698a0657846SJohn W. Linville struct ath5k_pdgain_info *pd = 699a0657846SJohn W. Linville &chinfo[pier].pd_curves[pdg]; 700a0657846SJohn W. Linville 701a0657846SJohn W. Linville kfree(pd->pd_step); 702a0657846SJohn W. Linville kfree(pd->pd_pwr); 703a0657846SJohn W. Linville } 704a0657846SJohn W. Linville 705a0657846SJohn W. Linville kfree(chinfo[pier].pd_curves); 706a0657846SJohn W. Linville } 707a0657846SJohn W. Linville 708a0657846SJohn W. Linville return 0; 709a0657846SJohn W. Linville } 710a0657846SJohn W. Linville 711203c4805SLuis R. Rodriguez /* Convert RF5111 specific data to generic raw data 712203c4805SLuis R. Rodriguez * used by interpolation code */ 713203c4805SLuis R. Rodriguez static int 714203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode, 715203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 716203c4805SLuis R. Rodriguez { 717203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 718203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5111 *pcinfo; 719203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd; 720203c4805SLuis R. Rodriguez u8 pier, point, idx; 721203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 722203c4805SLuis R. Rodriguez 723203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 724203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 725203c4805SLuis R. Rodriguez 726203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf5111_info; 727203c4805SLuis R. Rodriguez 728203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 729203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 730203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 731203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 732203c4805SLuis R. Rodriguez GFP_KERNEL); 733203c4805SLuis R. Rodriguez 734203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 735a0657846SJohn W. Linville goto err_out; 736203c4805SLuis R. Rodriguez 737203c4805SLuis R. Rodriguez /* Only one curve for RF5111 738203c4805SLuis R. Rodriguez * find out which one and place 73977c2061dSWalter Goldens * in pd_curves. 740203c4805SLuis R. Rodriguez * Note: ee_x_gain is reversed here */ 741203c4805SLuis R. Rodriguez for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) { 742203c4805SLuis R. Rodriguez 743203c4805SLuis R. Rodriguez if (!((ee->ee_x_gain[mode] >> idx) & 0x1)) { 744203c4805SLuis R. Rodriguez pdgain_idx[0] = idx; 745203c4805SLuis R. Rodriguez break; 746203c4805SLuis R. Rodriguez } 747203c4805SLuis R. Rodriguez } 748203c4805SLuis R. Rodriguez 749203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = 1; 750203c4805SLuis R. Rodriguez 751203c4805SLuis R. Rodriguez pd = &chinfo[pier].pd_curves[idx]; 752203c4805SLuis R. Rodriguez 753203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PWR_POINTS_5111; 754203c4805SLuis R. Rodriguez 755203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 756203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, 757203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 758203c4805SLuis R. Rodriguez if (!pd->pd_step) 759a0657846SJohn W. Linville goto err_out; 760203c4805SLuis R. Rodriguez 761203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111, 762203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 763203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 764a0657846SJohn W. Linville goto err_out; 765203c4805SLuis R. Rodriguez 766203c4805SLuis R. Rodriguez /* Fill raw dataset 767203c4805SLuis R. Rodriguez * (convert power to 0.25dB units 7686a2a0e73SPavel Roskin * for RF5112 compatibility) */ 769203c4805SLuis R. Rodriguez for (point = 0; point < pd->pd_points; point++) { 770203c4805SLuis R. Rodriguez 771203c4805SLuis R. Rodriguez /* Absolute values */ 772203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 2 * pcinfo->pwr[point]; 773203c4805SLuis R. Rodriguez 774203c4805SLuis R. Rodriguez /* Already sorted */ 775203c4805SLuis R. Rodriguez pd->pd_step[point] = pcinfo->pcdac[point]; 776203c4805SLuis R. Rodriguez } 777203c4805SLuis R. Rodriguez 778203c4805SLuis R. Rodriguez /* Set min/max pwr */ 779203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 780203c4805SLuis R. Rodriguez chinfo[pier].max_pwr = pd->pd_pwr[10]; 781203c4805SLuis R. Rodriguez 782203c4805SLuis R. Rodriguez } 783203c4805SLuis R. Rodriguez 784203c4805SLuis R. Rodriguez return 0; 785a0657846SJohn W. Linville 786a0657846SJohn W. Linville err_out: 787a0657846SJohn W. Linville ath5k_eeprom_free_pcal_info(ah, mode); 788a0657846SJohn W. Linville return -ENOMEM; 789203c4805SLuis R. Rodriguez } 790203c4805SLuis R. Rodriguez 791203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 792203c4805SLuis R. Rodriguez static int 793203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode) 794203c4805SLuis R. Rodriguez { 795203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 796203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *pcal; 797203c4805SLuis R. Rodriguez int offset, ret; 798203c4805SLuis R. Rodriguez int i; 799203c4805SLuis R. Rodriguez u16 val; 800203c4805SLuis R. Rodriguez 801203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 802203c4805SLuis R. Rodriguez switch (mode) { 803203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 804203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 805203c4805SLuis R. Rodriguez return 0; 806203c4805SLuis R. Rodriguez 807203c4805SLuis R. Rodriguez ret = ath5k_eeprom_init_11a_pcal_freq(ah, 808203c4805SLuis R. Rodriguez offset + AR5K_EEPROM_GROUP1_OFFSET); 809203c4805SLuis R. Rodriguez if (ret < 0) 810203c4805SLuis R. Rodriguez return ret; 811203c4805SLuis R. Rodriguez 812203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 813203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_a; 814203c4805SLuis R. Rodriguez break; 815203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 816203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header) && 817203c4805SLuis R. Rodriguez !AR5K_EEPROM_HDR_11G(ee->ee_header)) 818203c4805SLuis R. Rodriguez return 0; 819203c4805SLuis R. Rodriguez 820203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_b; 821203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP3_OFFSET; 822203c4805SLuis R. Rodriguez 823203c4805SLuis R. Rodriguez /* fixed piers */ 824203c4805SLuis R. Rodriguez pcal[0].freq = 2412; 825203c4805SLuis R. Rodriguez pcal[1].freq = 2447; 826203c4805SLuis R. Rodriguez pcal[2].freq = 2484; 827203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 3; 828203c4805SLuis R. Rodriguez break; 829203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 830203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 831203c4805SLuis R. Rodriguez return 0; 832203c4805SLuis R. Rodriguez 833203c4805SLuis R. Rodriguez pcal = ee->ee_pwr_cal_g; 834203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP4_OFFSET; 835203c4805SLuis R. Rodriguez 836203c4805SLuis R. Rodriguez /* fixed piers */ 837203c4805SLuis R. Rodriguez pcal[0].freq = 2312; 838203c4805SLuis R. Rodriguez pcal[1].freq = 2412; 839203c4805SLuis R. Rodriguez pcal[2].freq = 2484; 840203c4805SLuis R. Rodriguez ee->ee_n_piers[mode] = 3; 841203c4805SLuis R. Rodriguez break; 842203c4805SLuis R. Rodriguez default: 843203c4805SLuis R. Rodriguez return -EINVAL; 844203c4805SLuis R. Rodriguez } 845203c4805SLuis R. Rodriguez 846203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 847203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5111 *cdata = 848203c4805SLuis R. Rodriguez &pcal[i].rf5111_info; 849203c4805SLuis R. Rodriguez 850203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 851203c4805SLuis R. Rodriguez cdata->pcdac_max = ((val >> 10) & AR5K_EEPROM_PCDAC_M); 852203c4805SLuis R. Rodriguez cdata->pcdac_min = ((val >> 4) & AR5K_EEPROM_PCDAC_M); 853203c4805SLuis R. Rodriguez cdata->pwr[0] = ((val << 2) & AR5K_EEPROM_POWER_M); 854203c4805SLuis R. Rodriguez 855203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 856203c4805SLuis R. Rodriguez cdata->pwr[0] |= ((val >> 14) & 0x3); 857203c4805SLuis R. Rodriguez cdata->pwr[1] = ((val >> 8) & AR5K_EEPROM_POWER_M); 858203c4805SLuis R. Rodriguez cdata->pwr[2] = ((val >> 2) & AR5K_EEPROM_POWER_M); 859203c4805SLuis R. Rodriguez cdata->pwr[3] = ((val << 4) & AR5K_EEPROM_POWER_M); 860203c4805SLuis R. Rodriguez 861203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 862203c4805SLuis R. Rodriguez cdata->pwr[3] |= ((val >> 12) & 0xf); 863203c4805SLuis R. Rodriguez cdata->pwr[4] = ((val >> 6) & AR5K_EEPROM_POWER_M); 864203c4805SLuis R. Rodriguez cdata->pwr[5] = (val & AR5K_EEPROM_POWER_M); 865203c4805SLuis R. Rodriguez 866203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 867203c4805SLuis R. Rodriguez cdata->pwr[6] = ((val >> 10) & AR5K_EEPROM_POWER_M); 868203c4805SLuis R. Rodriguez cdata->pwr[7] = ((val >> 4) & AR5K_EEPROM_POWER_M); 869203c4805SLuis R. Rodriguez cdata->pwr[8] = ((val << 2) & AR5K_EEPROM_POWER_M); 870203c4805SLuis R. Rodriguez 871203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 872203c4805SLuis R. Rodriguez cdata->pwr[8] |= ((val >> 14) & 0x3); 873203c4805SLuis R. Rodriguez cdata->pwr[9] = ((val >> 8) & AR5K_EEPROM_POWER_M); 874203c4805SLuis R. Rodriguez cdata->pwr[10] = ((val >> 2) & AR5K_EEPROM_POWER_M); 875203c4805SLuis R. Rodriguez 876203c4805SLuis R. Rodriguez ath5k_get_pcdac_intercepts(ah, cdata->pcdac_min, 877203c4805SLuis R. Rodriguez cdata->pcdac_max, cdata->pcdac); 878203c4805SLuis R. Rodriguez } 879203c4805SLuis R. Rodriguez 880203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_5111(ah, mode, pcal); 881203c4805SLuis R. Rodriguez } 882203c4805SLuis R. Rodriguez 883203c4805SLuis R. Rodriguez 884203c4805SLuis R. Rodriguez /* 885203c4805SLuis R. Rodriguez * Read power calibration for RF5112 chips 886203c4805SLuis R. Rodriguez * 887203c4805SLuis R. Rodriguez * For RF5112 we have 4 XPD -eXternal Power Detector- curves 8886a2a0e73SPavel Roskin * for each calibrated channel on 0, -6, -12 and -18dBm but we only 889203c4805SLuis R. Rodriguez * use the higher (3) and the lower (0) curves. Each curve has 0.5dB 890203c4805SLuis R. Rodriguez * power steps on x axis and PCDAC steps on y axis and looks like a 891203c4805SLuis R. Rodriguez * linear function. To recreate the curve and pass the power values 892203c4805SLuis R. Rodriguez * on hw, we read 4 points for xpd 0 (lower gain -> max power) 893203c4805SLuis R. Rodriguez * and 3 points for xpd 3 (higher gain -> lower power) here and 894203c4805SLuis R. Rodriguez * interpolate later. 895203c4805SLuis R. Rodriguez * 896203c4805SLuis R. Rodriguez * Note: Many vendors just use xpd 0 so xpd 3 is zeroed. 897203c4805SLuis R. Rodriguez */ 898203c4805SLuis R. Rodriguez 899203c4805SLuis R. Rodriguez /* Convert RF5112 specific data to generic raw data 900203c4805SLuis R. Rodriguez * used by interpolation code */ 901203c4805SLuis R. Rodriguez static int 902203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_5112(struct ath5k_hw *ah, int mode, 903203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 904203c4805SLuis R. Rodriguez { 905203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 906203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5112 *pcinfo; 907203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 908203c4805SLuis R. Rodriguez unsigned int pier, pdg, point; 909203c4805SLuis R. Rodriguez 910203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 911203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 912203c4805SLuis R. Rodriguez 913203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf5112_info; 914203c4805SLuis R. Rodriguez 915203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 916203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 917203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 918203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 919203c4805SLuis R. Rodriguez GFP_KERNEL); 920203c4805SLuis R. Rodriguez 921203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 922a0657846SJohn W. Linville goto err_out; 923203c4805SLuis R. Rodriguez 924203c4805SLuis R. Rodriguez /* Fill pd_curves */ 925203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 926203c4805SLuis R. Rodriguez 927203c4805SLuis R. Rodriguez u8 idx = pdgain_idx[pdg]; 928203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 929203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[idx]; 930203c4805SLuis R. Rodriguez 931203c4805SLuis R. Rodriguez /* Lowest gain curve (max power) */ 932203c4805SLuis R. Rodriguez if (pdg == 0) { 933203c4805SLuis R. Rodriguez /* One more point for better accuracy */ 934203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_XPD0_POINTS; 935203c4805SLuis R. Rodriguez 936203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 937203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 938203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 939203c4805SLuis R. Rodriguez 940203c4805SLuis R. Rodriguez if (!pd->pd_step) 941a0657846SJohn W. Linville goto err_out; 942203c4805SLuis R. Rodriguez 943203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 944203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 945203c4805SLuis R. Rodriguez 946203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 947a0657846SJohn W. Linville goto err_out; 948203c4805SLuis R. Rodriguez 949203c4805SLuis R. Rodriguez /* Fill raw dataset 950203c4805SLuis R. Rodriguez * (all power levels are in 0.25dB units) */ 951203c4805SLuis R. Rodriguez pd->pd_step[0] = pcinfo->pcdac_x0[0]; 952203c4805SLuis R. Rodriguez pd->pd_pwr[0] = pcinfo->pwr_x0[0]; 953203c4805SLuis R. Rodriguez 954203c4805SLuis R. Rodriguez for (point = 1; point < pd->pd_points; 955203c4805SLuis R. Rodriguez point++) { 956203c4805SLuis R. Rodriguez /* Absolute values */ 957203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 958203c4805SLuis R. Rodriguez pcinfo->pwr_x0[point]; 959203c4805SLuis R. Rodriguez 960203c4805SLuis R. Rodriguez /* Deltas */ 961203c4805SLuis R. Rodriguez pd->pd_step[point] = 962203c4805SLuis R. Rodriguez pd->pd_step[point - 1] + 963203c4805SLuis R. Rodriguez pcinfo->pcdac_x0[point]; 964203c4805SLuis R. Rodriguez } 965203c4805SLuis R. Rodriguez 966203c4805SLuis R. Rodriguez /* Set min power for this frequency */ 967203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 968203c4805SLuis R. Rodriguez 969203c4805SLuis R. Rodriguez /* Highest gain curve (min power) */ 970203c4805SLuis R. Rodriguez } else if (pdg == 1) { 971203c4805SLuis R. Rodriguez 972203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_XPD3_POINTS; 973203c4805SLuis R. Rodriguez 974203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 975203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 976203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 977203c4805SLuis R. Rodriguez 978203c4805SLuis R. Rodriguez if (!pd->pd_step) 979a0657846SJohn W. Linville goto err_out; 980203c4805SLuis R. Rodriguez 981203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 982203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 983203c4805SLuis R. Rodriguez 984203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 985a0657846SJohn W. Linville goto err_out; 986203c4805SLuis R. Rodriguez 987203c4805SLuis R. Rodriguez /* Fill raw dataset 988203c4805SLuis R. Rodriguez * (all power levels are in 0.25dB units) */ 989203c4805SLuis R. Rodriguez for (point = 0; point < pd->pd_points; 990203c4805SLuis R. Rodriguez point++) { 991203c4805SLuis R. Rodriguez /* Absolute values */ 992203c4805SLuis R. Rodriguez pd->pd_pwr[point] = 993203c4805SLuis R. Rodriguez pcinfo->pwr_x3[point]; 994203c4805SLuis R. Rodriguez 995203c4805SLuis R. Rodriguez /* Fixed points */ 996203c4805SLuis R. Rodriguez pd->pd_step[point] = 997203c4805SLuis R. Rodriguez pcinfo->pcdac_x3[point]; 998203c4805SLuis R. Rodriguez } 999203c4805SLuis R. Rodriguez 1000203c4805SLuis R. Rodriguez /* Since we have a higher gain curve 1001203c4805SLuis R. Rodriguez * override min power */ 1002203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 1003203c4805SLuis R. Rodriguez } 1004203c4805SLuis R. Rodriguez } 1005203c4805SLuis R. Rodriguez } 1006203c4805SLuis R. Rodriguez 1007203c4805SLuis R. Rodriguez return 0; 1008a0657846SJohn W. Linville 1009a0657846SJohn W. Linville err_out: 1010a0657846SJohn W. Linville ath5k_eeprom_free_pcal_info(ah, mode); 1011a0657846SJohn W. Linville return -ENOMEM; 1012203c4805SLuis R. Rodriguez } 1013203c4805SLuis R. Rodriguez 1014203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 1015203c4805SLuis R. Rodriguez static int 1016203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode) 1017203c4805SLuis R. Rodriguez { 1018203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1019203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf5112 *chan_pcal_info; 1020203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *gen_chan_info; 1021203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1022203c4805SLuis R. Rodriguez u32 offset; 1023203c4805SLuis R. Rodriguez u8 i, c; 1024203c4805SLuis R. Rodriguez u16 val; 1025203c4805SLuis R. Rodriguez u8 pd_gains = 0; 1026203c4805SLuis R. Rodriguez 1027203c4805SLuis R. Rodriguez /* Count how many curves we have and 1028203c4805SLuis R. Rodriguez * identify them (which one of the 4 1029203c4805SLuis R. Rodriguez * available curves we have on each count). 1030203c4805SLuis R. Rodriguez * Curves are stored from lower (x0) to 1031203c4805SLuis R. Rodriguez * higher (x3) gain */ 1032203c4805SLuis R. Rodriguez for (i = 0; i < AR5K_EEPROM_N_PD_CURVES; i++) { 1033203c4805SLuis R. Rodriguez /* ee_x_gain[mode] is x gain mask */ 1034203c4805SLuis R. Rodriguez if ((ee->ee_x_gain[mode] >> i) & 0x1) 1035203c4805SLuis R. Rodriguez pdgain_idx[pd_gains++] = i; 1036203c4805SLuis R. Rodriguez } 1037203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = pd_gains; 1038203c4805SLuis R. Rodriguez 1039203c4805SLuis R. Rodriguez if (pd_gains == 0 || pd_gains > 2) 1040203c4805SLuis R. Rodriguez return -EINVAL; 1041203c4805SLuis R. Rodriguez 1042203c4805SLuis R. Rodriguez switch (mode) { 1043203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1044203c4805SLuis R. Rodriguez /* 1045203c4805SLuis R. Rodriguez * Read 5GHz EEPROM channels 1046203c4805SLuis R. Rodriguez */ 1047203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1048203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(ah, offset); 1049203c4805SLuis R. Rodriguez 1050203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 1051203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_a; 1052203c4805SLuis R. Rodriguez break; 1053203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1054203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1055203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1056203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP3_OFFSET; 1057203c4805SLuis R. Rodriguez 1058203c4805SLuis R. Rodriguez /* NB: frequency piers parsed during mode init */ 1059203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_b; 1060203c4805SLuis R. Rodriguez break; 1061203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1062203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUPS_START(ee->ee_version); 1063203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1064203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP4_OFFSET; 1065203c4805SLuis R. Rodriguez else if (AR5K_EEPROM_HDR_11B(ee->ee_header)) 1066203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUP2_OFFSET; 1067203c4805SLuis R. Rodriguez 1068203c4805SLuis R. Rodriguez /* NB: frequency piers parsed during mode init */ 1069203c4805SLuis R. Rodriguez gen_chan_info = ee->ee_pwr_cal_g; 1070203c4805SLuis R. Rodriguez break; 1071203c4805SLuis R. Rodriguez default: 1072203c4805SLuis R. Rodriguez return -EINVAL; 1073203c4805SLuis R. Rodriguez } 1074203c4805SLuis R. Rodriguez 1075203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 1076203c4805SLuis R. Rodriguez chan_pcal_info = &gen_chan_info[i].rf5112_info; 1077203c4805SLuis R. Rodriguez 1078203c4805SLuis R. Rodriguez /* Power values in quarter dB 1079203c4805SLuis R. Rodriguez * for the lower xpd gain curve 1080203c4805SLuis R. Rodriguez * (0 dBm -> higher output power) */ 1081203c4805SLuis R. Rodriguez for (c = 0; c < AR5K_EEPROM_N_XPD0_POINTS; c++) { 1082203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1083203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x0[c] = (s8) (val & 0xff); 1084203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x0[++c] = (s8) ((val >> 8) & 0xff); 1085203c4805SLuis R. Rodriguez } 1086203c4805SLuis R. Rodriguez 1087203c4805SLuis R. Rodriguez /* PCDAC steps 1088203c4805SLuis R. Rodriguez * corresponding to the above power 1089203c4805SLuis R. Rodriguez * measurements */ 1090203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1091203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[1] = (val & 0x1f); 1092203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[2] = ((val >> 5) & 0x1f); 1093203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[3] = ((val >> 10) & 0x1f); 1094203c4805SLuis R. Rodriguez 1095203c4805SLuis R. Rodriguez /* Power values in quarter dB 1096203c4805SLuis R. Rodriguez * for the higher xpd gain curve 1097203c4805SLuis R. Rodriguez * (18 dBm -> lower output power) */ 1098203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1099203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[0] = (s8) (val & 0xff); 1100203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[1] = (s8) ((val >> 8) & 0xff); 1101203c4805SLuis R. Rodriguez 1102203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1103203c4805SLuis R. Rodriguez chan_pcal_info->pwr_x3[2] = (val & 0xff); 1104203c4805SLuis R. Rodriguez 1105203c4805SLuis R. Rodriguez /* PCDAC steps 1106203c4805SLuis R. Rodriguez * corresponding to the above power 1107203c4805SLuis R. Rodriguez * measurements (fixed) */ 1108203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[0] = 20; 1109203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[1] = 35; 1110203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x3[2] = 63; 1111203c4805SLuis R. Rodriguez 1112203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) { 1113203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0x3f); 1114203c4805SLuis R. Rodriguez 1115203c4805SLuis R. Rodriguez /* Last xpd0 power level is also channel maximum */ 1116203c4805SLuis R. Rodriguez gen_chan_info[i].max_pwr = chan_pcal_info->pwr_x0[3]; 1117203c4805SLuis R. Rodriguez } else { 1118203c4805SLuis R. Rodriguez chan_pcal_info->pcdac_x0[0] = 1; 1119203c4805SLuis R. Rodriguez gen_chan_info[i].max_pwr = (s8) ((val >> 8) & 0xff); 1120203c4805SLuis R. Rodriguez } 1121203c4805SLuis R. Rodriguez 1122203c4805SLuis R. Rodriguez } 1123203c4805SLuis R. Rodriguez 1124203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_5112(ah, mode, gen_chan_info); 1125203c4805SLuis R. Rodriguez } 1126203c4805SLuis R. Rodriguez 1127203c4805SLuis R. Rodriguez 1128203c4805SLuis R. Rodriguez /* 1129203c4805SLuis R. Rodriguez * Read power calibration for RF2413 chips 1130203c4805SLuis R. Rodriguez * 1131203c4805SLuis R. Rodriguez * For RF2413 we have a Power to PDDAC table (Power Detector) 1132203c4805SLuis R. Rodriguez * instead of a PCDAC and 4 pd gain curves for each calibrated channel. 1133203c4805SLuis R. Rodriguez * Each curve has power on x axis in 0.5 db steps and PDDADC steps on y 1134203c4805SLuis R. Rodriguez * axis and looks like an exponential function like the RF5111 curve. 1135203c4805SLuis R. Rodriguez * 1136203c4805SLuis R. Rodriguez * To recreate the curves we read here the points and interpolate 1137203c4805SLuis R. Rodriguez * later. Note that in most cases only 2 (higher and lower) curves are 113825985edcSLucas De Marchi * used (like RF5112) but vendors have the opportunity to include all 1139203c4805SLuis R. Rodriguez * 4 curves on eeprom. The final curve (higher power) has an extra 1140203c4805SLuis R. Rodriguez * point for better accuracy like RF5112. 1141203c4805SLuis R. Rodriguez */ 1142203c4805SLuis R. Rodriguez 1143203c4805SLuis R. Rodriguez /* For RF2413 power calibration data doesn't start on a fixed location and 1144a180a130SBob Copeland * if a mode is not supported, its section is missing -not zeroed-. 1145203c4805SLuis R. Rodriguez * So we need to calculate the starting offset for each section by using 1146203c4805SLuis R. Rodriguez * these two functions */ 1147203c4805SLuis R. Rodriguez 1148203c4805SLuis R. Rodriguez /* Return the size of each section based on the mode and the number of pd 1149203c4805SLuis R. Rodriguez * gains available (maximum 4). */ 1150203c4805SLuis R. Rodriguez static inline unsigned int 1151203c4805SLuis R. Rodriguez ath5k_pdgains_size_2413(struct ath5k_eeprom_info *ee, unsigned int mode) 1152203c4805SLuis R. Rodriguez { 1153203c4805SLuis R. Rodriguez static const unsigned int pdgains_size[] = { 4, 6, 9, 12 }; 1154203c4805SLuis R. Rodriguez unsigned int sz; 1155203c4805SLuis R. Rodriguez 1156203c4805SLuis R. Rodriguez sz = pdgains_size[ee->ee_pd_gains[mode] - 1]; 1157203c4805SLuis R. Rodriguez sz *= ee->ee_n_piers[mode]; 1158203c4805SLuis R. Rodriguez 1159203c4805SLuis R. Rodriguez return sz; 1160203c4805SLuis R. Rodriguez } 1161203c4805SLuis R. Rodriguez 1162203c4805SLuis R. Rodriguez /* Return the starting offset for a section based on the modes supported 1163203c4805SLuis R. Rodriguez * and each section's size. */ 1164203c4805SLuis R. Rodriguez static unsigned int 1165203c4805SLuis R. Rodriguez ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode) 1166203c4805SLuis R. Rodriguez { 1167203c4805SLuis R. Rodriguez u32 offset = AR5K_EEPROM_CAL_DATA_START(ee->ee_misc4); 1168203c4805SLuis R. Rodriguez 1169203c4805SLuis R. Rodriguez switch (mode) { 1170203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1171203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11B(ee->ee_header)) 1172203c4805SLuis R. Rodriguez offset += ath5k_pdgains_size_2413(ee, 1173203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11B) + 1174203c4805SLuis R. Rodriguez AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1175203c4805SLuis R. Rodriguez /* fall through */ 1176203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1177203c4805SLuis R. Rodriguez if (AR5K_EEPROM_HDR_11A(ee->ee_header)) 1178203c4805SLuis R. Rodriguez offset += ath5k_pdgains_size_2413(ee, 1179203c4805SLuis R. Rodriguez AR5K_EEPROM_MODE_11A) + 1180203c4805SLuis R. Rodriguez AR5K_EEPROM_N_5GHZ_CHAN / 2; 1181203c4805SLuis R. Rodriguez /* fall through */ 1182203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1183203c4805SLuis R. Rodriguez break; 1184203c4805SLuis R. Rodriguez default: 1185203c4805SLuis R. Rodriguez break; 1186203c4805SLuis R. Rodriguez } 1187203c4805SLuis R. Rodriguez 1188203c4805SLuis R. Rodriguez return offset; 1189203c4805SLuis R. Rodriguez } 1190203c4805SLuis R. Rodriguez 1191203c4805SLuis R. Rodriguez /* Convert RF2413 specific data to generic raw data 1192203c4805SLuis R. Rodriguez * used by interpolation code */ 1193203c4805SLuis R. Rodriguez static int 1194203c4805SLuis R. Rodriguez ath5k_eeprom_convert_pcal_info_2413(struct ath5k_hw *ah, int mode, 1195203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo) 1196203c4805SLuis R. Rodriguez { 1197203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1198203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf2413 *pcinfo; 1199203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1200203c4805SLuis R. Rodriguez unsigned int pier, pdg, point; 1201203c4805SLuis R. Rodriguez 1202203c4805SLuis R. Rodriguez /* Fill raw data for each calibration pier */ 1203203c4805SLuis R. Rodriguez for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) { 1204203c4805SLuis R. Rodriguez 1205203c4805SLuis R. Rodriguez pcinfo = &chinfo[pier].rf2413_info; 1206203c4805SLuis R. Rodriguez 1207203c4805SLuis R. Rodriguez /* Allocate pd_curves for this cal pier */ 1208203c4805SLuis R. Rodriguez chinfo[pier].pd_curves = 1209203c4805SLuis R. Rodriguez kcalloc(AR5K_EEPROM_N_PD_CURVES, 1210203c4805SLuis R. Rodriguez sizeof(struct ath5k_pdgain_info), 1211203c4805SLuis R. Rodriguez GFP_KERNEL); 1212203c4805SLuis R. Rodriguez 1213203c4805SLuis R. Rodriguez if (!chinfo[pier].pd_curves) 1214a0657846SJohn W. Linville goto err_out; 1215203c4805SLuis R. Rodriguez 1216203c4805SLuis R. Rodriguez /* Fill pd_curves */ 1217203c4805SLuis R. Rodriguez for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) { 1218203c4805SLuis R. Rodriguez 1219203c4805SLuis R. Rodriguez u8 idx = pdgain_idx[pdg]; 1220203c4805SLuis R. Rodriguez struct ath5k_pdgain_info *pd = 1221203c4805SLuis R. Rodriguez &chinfo[pier].pd_curves[idx]; 1222203c4805SLuis R. Rodriguez 1223203c4805SLuis R. Rodriguez /* One more point for the highest power 1224203c4805SLuis R. Rodriguez * curve (lowest gain) */ 1225203c4805SLuis R. Rodriguez if (pdg == ee->ee_pd_gains[mode] - 1) 1226203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PD_POINTS; 1227203c4805SLuis R. Rodriguez else 1228203c4805SLuis R. Rodriguez pd->pd_points = AR5K_EEPROM_N_PD_POINTS - 1; 1229203c4805SLuis R. Rodriguez 1230203c4805SLuis R. Rodriguez /* Allocate pd points for this curve */ 1231203c4805SLuis R. Rodriguez pd->pd_step = kcalloc(pd->pd_points, 1232203c4805SLuis R. Rodriguez sizeof(u8), GFP_KERNEL); 1233203c4805SLuis R. Rodriguez 1234203c4805SLuis R. Rodriguez if (!pd->pd_step) 1235a0657846SJohn W. Linville goto err_out; 1236203c4805SLuis R. Rodriguez 1237203c4805SLuis R. Rodriguez pd->pd_pwr = kcalloc(pd->pd_points, 1238203c4805SLuis R. Rodriguez sizeof(s16), GFP_KERNEL); 1239203c4805SLuis R. Rodriguez 1240203c4805SLuis R. Rodriguez if (!pd->pd_pwr) 1241a0657846SJohn W. Linville goto err_out; 1242203c4805SLuis R. Rodriguez 1243203c4805SLuis R. Rodriguez /* Fill raw dataset 1244203c4805SLuis R. Rodriguez * convert all pwr levels to 12456a2a0e73SPavel Roskin * quarter dB for RF5112 compatibility */ 1246203c4805SLuis R. Rodriguez pd->pd_step[0] = pcinfo->pddac_i[pdg]; 1247203c4805SLuis R. Rodriguez pd->pd_pwr[0] = 4 * pcinfo->pwr_i[pdg]; 1248203c4805SLuis R. Rodriguez 1249203c4805SLuis R. Rodriguez for (point = 1; point < pd->pd_points; point++) { 1250203c4805SLuis R. Rodriguez 1251203c4805SLuis R. Rodriguez pd->pd_pwr[point] = pd->pd_pwr[point - 1] + 1252203c4805SLuis R. Rodriguez 2 * pcinfo->pwr[pdg][point - 1]; 1253203c4805SLuis R. Rodriguez 1254203c4805SLuis R. Rodriguez pd->pd_step[point] = pd->pd_step[point - 1] + 1255203c4805SLuis R. Rodriguez pcinfo->pddac[pdg][point - 1]; 1256203c4805SLuis R. Rodriguez 1257203c4805SLuis R. Rodriguez } 1258203c4805SLuis R. Rodriguez 1259203c4805SLuis R. Rodriguez /* Highest gain curve -> min power */ 1260203c4805SLuis R. Rodriguez if (pdg == 0) 1261203c4805SLuis R. Rodriguez chinfo[pier].min_pwr = pd->pd_pwr[0]; 1262203c4805SLuis R. Rodriguez 1263203c4805SLuis R. Rodriguez /* Lowest gain curve -> max power */ 1264203c4805SLuis R. Rodriguez if (pdg == ee->ee_pd_gains[mode] - 1) 1265203c4805SLuis R. Rodriguez chinfo[pier].max_pwr = 1266203c4805SLuis R. Rodriguez pd->pd_pwr[pd->pd_points - 1]; 1267203c4805SLuis R. Rodriguez } 1268203c4805SLuis R. Rodriguez } 1269203c4805SLuis R. Rodriguez 1270203c4805SLuis R. Rodriguez return 0; 1271a0657846SJohn W. Linville 1272a0657846SJohn W. Linville err_out: 1273a0657846SJohn W. Linville ath5k_eeprom_free_pcal_info(ah, mode); 1274a0657846SJohn W. Linville return -ENOMEM; 1275203c4805SLuis R. Rodriguez } 1276203c4805SLuis R. Rodriguez 1277203c4805SLuis R. Rodriguez /* Parse EEPROM data */ 1278203c4805SLuis R. Rodriguez static int 1279203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode) 1280203c4805SLuis R. Rodriguez { 1281203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1282203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info_rf2413 *pcinfo; 1283203c4805SLuis R. Rodriguez struct ath5k_chan_pcal_info *chinfo; 1284203c4805SLuis R. Rodriguez u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; 1285203c4805SLuis R. Rodriguez u32 offset; 1286fda9b7afSWojciech Dubowik int idx, i; 1287203c4805SLuis R. Rodriguez u16 val; 1288203c4805SLuis R. Rodriguez u8 pd_gains = 0; 1289203c4805SLuis R. Rodriguez 1290203c4805SLuis R. Rodriguez /* Count how many curves we have and 1291203c4805SLuis R. Rodriguez * identify them (which one of the 4 1292203c4805SLuis R. Rodriguez * available curves we have on each count). 1293203c4805SLuis R. Rodriguez * Curves are stored from higher to 1294203c4805SLuis R. Rodriguez * lower gain so we go backwards */ 1295203c4805SLuis R. Rodriguez for (idx = AR5K_EEPROM_N_PD_CURVES - 1; idx >= 0; idx--) { 1296203c4805SLuis R. Rodriguez /* ee_x_gain[mode] is x gain mask */ 1297203c4805SLuis R. Rodriguez if ((ee->ee_x_gain[mode] >> idx) & 0x1) 1298203c4805SLuis R. Rodriguez pdgain_idx[pd_gains++] = idx; 1299203c4805SLuis R. Rodriguez 1300203c4805SLuis R. Rodriguez } 1301203c4805SLuis R. Rodriguez ee->ee_pd_gains[mode] = pd_gains; 1302203c4805SLuis R. Rodriguez 1303203c4805SLuis R. Rodriguez if (pd_gains == 0) 1304203c4805SLuis R. Rodriguez return -EINVAL; 1305203c4805SLuis R. Rodriguez 1306203c4805SLuis R. Rodriguez offset = ath5k_cal_data_offset_2413(ee, mode); 1307203c4805SLuis R. Rodriguez switch (mode) { 1308203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1309203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11A(ee->ee_header)) 1310203c4805SLuis R. Rodriguez return 0; 1311203c4805SLuis R. Rodriguez 1312203c4805SLuis R. Rodriguez ath5k_eeprom_init_11a_pcal_freq(ah, offset); 1313203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_5GHZ_CHAN / 2; 1314203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_a; 1315203c4805SLuis R. Rodriguez break; 1316203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1317203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11B(ee->ee_header)) 1318203c4805SLuis R. Rodriguez return 0; 1319203c4805SLuis R. Rodriguez 1320203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(ah, mode, offset); 1321203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1322203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_b; 1323203c4805SLuis R. Rodriguez break; 1324203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1325203c4805SLuis R. Rodriguez if (!AR5K_EEPROM_HDR_11G(ee->ee_header)) 1326203c4805SLuis R. Rodriguez return 0; 1327203c4805SLuis R. Rodriguez 1328203c4805SLuis R. Rodriguez ath5k_eeprom_init_11bg_2413(ah, mode, offset); 1329203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2; 1330203c4805SLuis R. Rodriguez chinfo = ee->ee_pwr_cal_g; 1331203c4805SLuis R. Rodriguez break; 1332203c4805SLuis R. Rodriguez default: 1333203c4805SLuis R. Rodriguez return -EINVAL; 1334203c4805SLuis R. Rodriguez } 1335203c4805SLuis R. Rodriguez 1336203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_n_piers[mode]; i++) { 1337203c4805SLuis R. Rodriguez pcinfo = &chinfo[i].rf2413_info; 1338203c4805SLuis R. Rodriguez 1339203c4805SLuis R. Rodriguez /* 1340203c4805SLuis R. Rodriguez * Read pwr_i, pddac_i and the first 1341203c4805SLuis R. Rodriguez * 2 pd points (pwr, pddac) 1342203c4805SLuis R. Rodriguez */ 1343203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1344203c4805SLuis R. Rodriguez pcinfo->pwr_i[0] = val & 0x1f; 1345203c4805SLuis R. Rodriguez pcinfo->pddac_i[0] = (val >> 5) & 0x7f; 1346203c4805SLuis R. Rodriguez pcinfo->pwr[0][0] = (val >> 12) & 0xf; 1347203c4805SLuis R. Rodriguez 1348203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1349203c4805SLuis R. Rodriguez pcinfo->pddac[0][0] = val & 0x3f; 1350203c4805SLuis R. Rodriguez pcinfo->pwr[0][1] = (val >> 6) & 0xf; 1351203c4805SLuis R. Rodriguez pcinfo->pddac[0][1] = (val >> 10) & 0x3f; 1352203c4805SLuis R. Rodriguez 1353203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1354203c4805SLuis R. Rodriguez pcinfo->pwr[0][2] = val & 0xf; 1355203c4805SLuis R. Rodriguez pcinfo->pddac[0][2] = (val >> 4) & 0x3f; 1356203c4805SLuis R. Rodriguez 1357203c4805SLuis R. Rodriguez pcinfo->pwr[0][3] = 0; 1358203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] = 0; 1359203c4805SLuis R. Rodriguez 1360203c4805SLuis R. Rodriguez if (pd_gains > 1) { 1361203c4805SLuis R. Rodriguez /* 1362203c4805SLuis R. Rodriguez * Pd gain 0 is not the last pd gain 1363203c4805SLuis R. Rodriguez * so it only has 2 pd points. 136425985edcSLucas De Marchi * Continue with pd gain 1. 1365203c4805SLuis R. Rodriguez */ 1366203c4805SLuis R. Rodriguez pcinfo->pwr_i[1] = (val >> 10) & 0x1f; 1367203c4805SLuis R. Rodriguez 1368203c4805SLuis R. Rodriguez pcinfo->pddac_i[1] = (val >> 15) & 0x1; 1369203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1370203c4805SLuis R. Rodriguez pcinfo->pddac_i[1] |= (val & 0x3F) << 1; 1371203c4805SLuis R. Rodriguez 1372203c4805SLuis R. Rodriguez pcinfo->pwr[1][0] = (val >> 6) & 0xf; 1373203c4805SLuis R. Rodriguez pcinfo->pddac[1][0] = (val >> 10) & 0x3f; 1374203c4805SLuis R. Rodriguez 1375203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1376203c4805SLuis R. Rodriguez pcinfo->pwr[1][1] = val & 0xf; 1377203c4805SLuis R. Rodriguez pcinfo->pddac[1][1] = (val >> 4) & 0x3f; 1378203c4805SLuis R. Rodriguez pcinfo->pwr[1][2] = (val >> 10) & 0xf; 1379203c4805SLuis R. Rodriguez 1380203c4805SLuis R. Rodriguez pcinfo->pddac[1][2] = (val >> 14) & 0x3; 1381203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1382203c4805SLuis R. Rodriguez pcinfo->pddac[1][2] |= (val & 0xF) << 2; 1383203c4805SLuis R. Rodriguez 1384203c4805SLuis R. Rodriguez pcinfo->pwr[1][3] = 0; 1385203c4805SLuis R. Rodriguez pcinfo->pddac[1][3] = 0; 1386203c4805SLuis R. Rodriguez } else if (pd_gains == 1) { 1387203c4805SLuis R. Rodriguez /* 1388203c4805SLuis R. Rodriguez * Pd gain 0 is the last one so 1389203c4805SLuis R. Rodriguez * read the extra point. 1390203c4805SLuis R. Rodriguez */ 1391203c4805SLuis R. Rodriguez pcinfo->pwr[0][3] = (val >> 10) & 0xf; 1392203c4805SLuis R. Rodriguez 1393203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] = (val >> 14) & 0x3; 1394203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1395203c4805SLuis R. Rodriguez pcinfo->pddac[0][3] |= (val & 0xF) << 2; 1396203c4805SLuis R. Rodriguez } 1397203c4805SLuis R. Rodriguez 1398203c4805SLuis R. Rodriguez /* 1399203c4805SLuis R. Rodriguez * Proceed with the other pd_gains 1400203c4805SLuis R. Rodriguez * as above. 1401203c4805SLuis R. Rodriguez */ 1402203c4805SLuis R. Rodriguez if (pd_gains > 2) { 1403203c4805SLuis R. Rodriguez pcinfo->pwr_i[2] = (val >> 4) & 0x1f; 1404203c4805SLuis R. Rodriguez pcinfo->pddac_i[2] = (val >> 9) & 0x7f; 1405203c4805SLuis R. Rodriguez 1406203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1407203c4805SLuis R. Rodriguez pcinfo->pwr[2][0] = (val >> 0) & 0xf; 1408203c4805SLuis R. Rodriguez pcinfo->pddac[2][0] = (val >> 4) & 0x3f; 1409203c4805SLuis R. Rodriguez pcinfo->pwr[2][1] = (val >> 10) & 0xf; 1410203c4805SLuis R. Rodriguez 1411203c4805SLuis R. Rodriguez pcinfo->pddac[2][1] = (val >> 14) & 0x3; 1412203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1413203c4805SLuis R. Rodriguez pcinfo->pddac[2][1] |= (val & 0xF) << 2; 1414203c4805SLuis R. Rodriguez 1415203c4805SLuis R. Rodriguez pcinfo->pwr[2][2] = (val >> 4) & 0xf; 1416203c4805SLuis R. Rodriguez pcinfo->pddac[2][2] = (val >> 8) & 0x3f; 1417203c4805SLuis R. Rodriguez 1418203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] = 0; 1419203c4805SLuis R. Rodriguez pcinfo->pddac[2][3] = 0; 1420203c4805SLuis R. Rodriguez } else if (pd_gains == 2) { 1421203c4805SLuis R. Rodriguez pcinfo->pwr[1][3] = (val >> 4) & 0xf; 1422203c4805SLuis R. Rodriguez pcinfo->pddac[1][3] = (val >> 8) & 0x3f; 1423203c4805SLuis R. Rodriguez } 1424203c4805SLuis R. Rodriguez 1425203c4805SLuis R. Rodriguez if (pd_gains > 3) { 1426203c4805SLuis R. Rodriguez pcinfo->pwr_i[3] = (val >> 14) & 0x3; 1427203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1428203c4805SLuis R. Rodriguez pcinfo->pwr_i[3] |= ((val >> 0) & 0x7) << 2; 1429203c4805SLuis R. Rodriguez 1430203c4805SLuis R. Rodriguez pcinfo->pddac_i[3] = (val >> 3) & 0x7f; 1431203c4805SLuis R. Rodriguez pcinfo->pwr[3][0] = (val >> 10) & 0xf; 1432203c4805SLuis R. Rodriguez pcinfo->pddac[3][0] = (val >> 14) & 0x3; 1433203c4805SLuis R. Rodriguez 1434203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1435203c4805SLuis R. Rodriguez pcinfo->pddac[3][0] |= (val & 0xF) << 2; 1436203c4805SLuis R. Rodriguez pcinfo->pwr[3][1] = (val >> 4) & 0xf; 1437203c4805SLuis R. Rodriguez pcinfo->pddac[3][1] = (val >> 8) & 0x3f; 1438203c4805SLuis R. Rodriguez 1439203c4805SLuis R. Rodriguez pcinfo->pwr[3][2] = (val >> 14) & 0x3; 1440203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1441203c4805SLuis R. Rodriguez pcinfo->pwr[3][2] |= ((val >> 0) & 0x3) << 2; 1442203c4805SLuis R. Rodriguez 1443203c4805SLuis R. Rodriguez pcinfo->pddac[3][2] = (val >> 2) & 0x3f; 1444203c4805SLuis R. Rodriguez pcinfo->pwr[3][3] = (val >> 8) & 0xf; 1445203c4805SLuis R. Rodriguez 1446203c4805SLuis R. Rodriguez pcinfo->pddac[3][3] = (val >> 12) & 0xF; 1447203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1448203c4805SLuis R. Rodriguez pcinfo->pddac[3][3] |= ((val >> 0) & 0x3) << 4; 1449203c4805SLuis R. Rodriguez } else if (pd_gains == 3) { 1450203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] = (val >> 14) & 0x3; 1451203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1452203c4805SLuis R. Rodriguez pcinfo->pwr[2][3] |= ((val >> 0) & 0x3) << 2; 1453203c4805SLuis R. Rodriguez 1454203c4805SLuis R. Rodriguez pcinfo->pddac[2][3] = (val >> 2) & 0x3f; 1455203c4805SLuis R. Rodriguez } 1456203c4805SLuis R. Rodriguez } 1457203c4805SLuis R. Rodriguez 1458203c4805SLuis R. Rodriguez return ath5k_eeprom_convert_pcal_info_2413(ah, mode, chinfo); 1459203c4805SLuis R. Rodriguez } 1460203c4805SLuis R. Rodriguez 1461203c4805SLuis R. Rodriguez 1462203c4805SLuis R. Rodriguez /* 1463203c4805SLuis R. Rodriguez * Read per rate target power (this is the maximum tx power 1464203c4805SLuis R. Rodriguez * supported by the card). This info is used when setting 1465203c4805SLuis R. Rodriguez * tx power, no matter the channel. 1466203c4805SLuis R. Rodriguez * 1467203c4805SLuis R. Rodriguez * This also works for v5 EEPROMs. 1468203c4805SLuis R. Rodriguez */ 1469203c4805SLuis R. Rodriguez static int 1470203c4805SLuis R. Rodriguez ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode) 1471203c4805SLuis R. Rodriguez { 1472203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1473203c4805SLuis R. Rodriguez struct ath5k_rate_pcal_info *rate_pcal_info; 1474203c4805SLuis R. Rodriguez u8 *rate_target_pwr_num; 1475203c4805SLuis R. Rodriguez u32 offset; 1476203c4805SLuis R. Rodriguez u16 val; 1477fda9b7afSWojciech Dubowik int i; 1478203c4805SLuis R. Rodriguez 1479203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1); 1480203c4805SLuis R. Rodriguez rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode]; 1481203c4805SLuis R. Rodriguez switch (mode) { 1482203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11A: 1483203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11A(ee->ee_version); 1484203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_a; 14853a245cbeSThomas Huehn ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_5GHZ_RATE_CHAN; 1486203c4805SLuis R. Rodriguez break; 1487203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11B: 1488203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11B(ee->ee_version); 1489203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_b; 1490203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = 2; /* 3rd is g mode's 1st */ 1491203c4805SLuis R. Rodriguez break; 1492203c4805SLuis R. Rodriguez case AR5K_EEPROM_MODE_11G: 1493203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWR_OFF_11G(ee->ee_version); 1494203c4805SLuis R. Rodriguez rate_pcal_info = ee->ee_rate_tpwr_g; 1495203c4805SLuis R. Rodriguez ee->ee_rate_target_pwr_num[mode] = AR5K_EEPROM_N_2GHZ_CHAN; 1496203c4805SLuis R. Rodriguez break; 1497203c4805SLuis R. Rodriguez default: 1498203c4805SLuis R. Rodriguez return -EINVAL; 1499203c4805SLuis R. Rodriguez } 1500203c4805SLuis R. Rodriguez 1501203c4805SLuis R. Rodriguez /* Different freq mask for older eeproms (<= v3.2) */ 1502203c4805SLuis R. Rodriguez if (ee->ee_version <= AR5K_EEPROM_VERSION_3_2) { 1503203c4805SLuis R. Rodriguez for (i = 0; i < (*rate_target_pwr_num); i++) { 1504203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1505203c4805SLuis R. Rodriguez rate_pcal_info[i].freq = 1506203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 9) & 0x7f, mode); 1507203c4805SLuis R. Rodriguez 1508203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_6to24 = ((val >> 3) & 0x3f); 1509203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 = (val << 3) & 0x3f; 1510203c4805SLuis R. Rodriguez 1511203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1512203c4805SLuis R. Rodriguez 1513203c4805SLuis R. Rodriguez if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || 1514203c4805SLuis R. Rodriguez val == 0) { 1515203c4805SLuis R. Rodriguez (*rate_target_pwr_num) = i; 1516203c4805SLuis R. Rodriguez break; 1517203c4805SLuis R. Rodriguez } 1518203c4805SLuis R. Rodriguez 1519203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 |= ((val >> 13) & 0x7); 1520203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_48 = ((val >> 7) & 0x3f); 1521203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_54 = ((val >> 1) & 0x3f); 1522203c4805SLuis R. Rodriguez } 1523203c4805SLuis R. Rodriguez } else { 1524203c4805SLuis R. Rodriguez for (i = 0; i < (*rate_target_pwr_num); i++) { 1525203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1526203c4805SLuis R. Rodriguez rate_pcal_info[i].freq = 1527203c4805SLuis R. Rodriguez ath5k_eeprom_bin2freq(ee, (val >> 8) & 0xff, mode); 1528203c4805SLuis R. Rodriguez 1529203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_6to24 = ((val >> 2) & 0x3f); 1530203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 = (val << 4) & 0x3f; 1531203c4805SLuis R. Rodriguez 1532203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1533203c4805SLuis R. Rodriguez 1534203c4805SLuis R. Rodriguez if (rate_pcal_info[i].freq == AR5K_EEPROM_CHANNEL_DIS || 1535203c4805SLuis R. Rodriguez val == 0) { 1536203c4805SLuis R. Rodriguez (*rate_target_pwr_num) = i; 1537203c4805SLuis R. Rodriguez break; 1538203c4805SLuis R. Rodriguez } 1539203c4805SLuis R. Rodriguez 1540203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_36 |= (val >> 12) & 0xf; 1541203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_48 = ((val >> 6) & 0x3f); 1542203c4805SLuis R. Rodriguez rate_pcal_info[i].target_power_54 = (val & 0x3f); 1543203c4805SLuis R. Rodriguez } 1544203c4805SLuis R. Rodriguez } 1545203c4805SLuis R. Rodriguez 1546203c4805SLuis R. Rodriguez return 0; 1547203c4805SLuis R. Rodriguez } 1548203c4805SLuis R. Rodriguez 15499320b5c4SNick Kossifidis 1550203c4805SLuis R. Rodriguez /* 1551203c4805SLuis R. Rodriguez * Read per channel calibration info from EEPROM 1552203c4805SLuis R. Rodriguez * 1553203c4805SLuis R. Rodriguez * This info is used to calibrate the baseband power table. Imagine 1554203c4805SLuis R. Rodriguez * that for each channel there is a power curve that's hw specific 1555203c4805SLuis R. Rodriguez * (depends on amplifier etc) and we try to "correct" this curve using 1556bf48aabbSUwe Kleine-König * offsets we pass on to phy chip (baseband -> before amplifier) so that 1557203c4805SLuis R. Rodriguez * it can use accurate power values when setting tx power (takes amplifier's 1558203c4805SLuis R. Rodriguez * performance on each channel into account). 1559203c4805SLuis R. Rodriguez * 1560203c4805SLuis R. Rodriguez * EEPROM provides us with the offsets for some pre-calibrated channels 1561203c4805SLuis R. Rodriguez * and we have to interpolate to create the full table for these channels and 1562203c4805SLuis R. Rodriguez * also the table for any channel. 1563203c4805SLuis R. Rodriguez */ 1564203c4805SLuis R. Rodriguez static int 1565203c4805SLuis R. Rodriguez ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah) 1566203c4805SLuis R. Rodriguez { 1567203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1568203c4805SLuis R. Rodriguez int (*read_pcal)(struct ath5k_hw *hw, int mode); 1569203c4805SLuis R. Rodriguez int mode; 1570203c4805SLuis R. Rodriguez int err; 1571203c4805SLuis R. Rodriguez 1572203c4805SLuis R. Rodriguez if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) && 1573203c4805SLuis R. Rodriguez (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 1)) 1574203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_5112; 1575203c4805SLuis R. Rodriguez else if ((ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_0) && 1576203c4805SLuis R. Rodriguez (AR5K_EEPROM_EEMAP(ee->ee_misc0) == 2)) 1577203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_2413; 1578203c4805SLuis R. Rodriguez else 1579203c4805SLuis R. Rodriguez read_pcal = ath5k_eeprom_read_pcal_info_5111; 1580203c4805SLuis R. Rodriguez 1581203c4805SLuis R. Rodriguez 1582203c4805SLuis R. Rodriguez for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; 1583203c4805SLuis R. Rodriguez mode++) { 1584203c4805SLuis R. Rodriguez err = read_pcal(ah, mode); 1585203c4805SLuis R. Rodriguez if (err) 1586203c4805SLuis R. Rodriguez return err; 1587203c4805SLuis R. Rodriguez 1588203c4805SLuis R. Rodriguez err = ath5k_eeprom_read_target_rate_pwr_info(ah, mode); 1589203c4805SLuis R. Rodriguez if (err < 0) 1590203c4805SLuis R. Rodriguez return err; 1591203c4805SLuis R. Rodriguez } 1592203c4805SLuis R. Rodriguez 1593203c4805SLuis R. Rodriguez return 0; 1594203c4805SLuis R. Rodriguez } 1595203c4805SLuis R. Rodriguez 1596203c4805SLuis R. Rodriguez /* Read conformance test limits used for regulatory control */ 1597203c4805SLuis R. Rodriguez static int 1598203c4805SLuis R. Rodriguez ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah) 1599203c4805SLuis R. Rodriguez { 1600203c4805SLuis R. Rodriguez struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1601203c4805SLuis R. Rodriguez struct ath5k_edge_power *rep; 1602203c4805SLuis R. Rodriguez unsigned int fmask, pmask; 1603203c4805SLuis R. Rodriguez unsigned int ctl_mode; 1604fda9b7afSWojciech Dubowik int i, j; 1605203c4805SLuis R. Rodriguez u32 offset; 1606203c4805SLuis R. Rodriguez u16 val; 1607203c4805SLuis R. Rodriguez 1608203c4805SLuis R. Rodriguez pmask = AR5K_EEPROM_POWER_M; 1609203c4805SLuis R. Rodriguez fmask = AR5K_EEPROM_FREQ_M(ee->ee_version); 1610203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_CTL(ee->ee_version); 1611203c4805SLuis R. Rodriguez ee->ee_ctls = AR5K_EEPROM_N_CTLS(ee->ee_version); 1612203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_ctls; i += 2) { 1613203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1614203c4805SLuis R. Rodriguez ee->ee_ctl[i] = (val >> 8) & 0xff; 1615203c4805SLuis R. Rodriguez ee->ee_ctl[i + 1] = val & 0xff; 1616203c4805SLuis R. Rodriguez } 1617203c4805SLuis R. Rodriguez 1618203c4805SLuis R. Rodriguez offset = AR5K_EEPROM_GROUP8_OFFSET; 1619203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_4_0) 1620203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1) - 1621203c4805SLuis R. Rodriguez AR5K_EEPROM_GROUP5_OFFSET; 1622203c4805SLuis R. Rodriguez else 1623203c4805SLuis R. Rodriguez offset += AR5K_EEPROM_GROUPS_START(ee->ee_version); 1624203c4805SLuis R. Rodriguez 1625203c4805SLuis R. Rodriguez rep = ee->ee_ctl_pwr; 1626203c4805SLuis R. Rodriguez for (i = 0; i < ee->ee_ctls; i++) { 1627203c4805SLuis R. Rodriguez switch (ee->ee_ctl[i] & AR5K_CTL_MODE_M) { 1628203c4805SLuis R. Rodriguez case AR5K_CTL_11A: 1629203c4805SLuis R. Rodriguez case AR5K_CTL_TURBO: 1630203c4805SLuis R. Rodriguez ctl_mode = AR5K_EEPROM_MODE_11A; 1631203c4805SLuis R. Rodriguez break; 1632203c4805SLuis R. Rodriguez default: 1633203c4805SLuis R. Rodriguez ctl_mode = AR5K_EEPROM_MODE_11G; 1634203c4805SLuis R. Rodriguez break; 1635203c4805SLuis R. Rodriguez } 1636203c4805SLuis R. Rodriguez if (ee->ee_ctl[i] == 0) { 1637203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) 1638203c4805SLuis R. Rodriguez offset += 8; 1639203c4805SLuis R. Rodriguez else 1640203c4805SLuis R. Rodriguez offset += 7; 1641203c4805SLuis R. Rodriguez rep += AR5K_EEPROM_N_EDGES; 1642203c4805SLuis R. Rodriguez continue; 1643203c4805SLuis R. Rodriguez } 1644203c4805SLuis R. Rodriguez if (ee->ee_version >= AR5K_EEPROM_VERSION_3_3) { 1645203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { 1646203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1647203c4805SLuis R. Rodriguez rep[j].freq = (val >> 8) & fmask; 1648203c4805SLuis R. Rodriguez rep[j + 1].freq = val & fmask; 1649203c4805SLuis R. Rodriguez } 1650203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j += 2) { 1651203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1652203c4805SLuis R. Rodriguez rep[j].edge = (val >> 8) & pmask; 1653203c4805SLuis R. Rodriguez rep[j].flag = (val >> 14) & 1; 1654203c4805SLuis R. Rodriguez rep[j + 1].edge = val & pmask; 1655203c4805SLuis R. Rodriguez rep[j + 1].flag = (val >> 6) & 1; 1656203c4805SLuis R. Rodriguez } 1657203c4805SLuis R. Rodriguez } else { 1658203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1659203c4805SLuis R. Rodriguez rep[0].freq = (val >> 9) & fmask; 1660203c4805SLuis R. Rodriguez rep[1].freq = (val >> 2) & fmask; 1661203c4805SLuis R. Rodriguez rep[2].freq = (val << 5) & fmask; 1662203c4805SLuis R. Rodriguez 1663203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1664203c4805SLuis R. Rodriguez rep[2].freq |= (val >> 11) & 0x1f; 1665203c4805SLuis R. Rodriguez rep[3].freq = (val >> 4) & fmask; 1666203c4805SLuis R. Rodriguez rep[4].freq = (val << 3) & fmask; 1667203c4805SLuis R. Rodriguez 1668203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1669203c4805SLuis R. Rodriguez rep[4].freq |= (val >> 13) & 0x7; 1670203c4805SLuis R. Rodriguez rep[5].freq = (val >> 6) & fmask; 1671203c4805SLuis R. Rodriguez rep[6].freq = (val << 1) & fmask; 1672203c4805SLuis R. Rodriguez 1673203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1674203c4805SLuis R. Rodriguez rep[6].freq |= (val >> 15) & 0x1; 1675203c4805SLuis R. Rodriguez rep[7].freq = (val >> 8) & fmask; 1676203c4805SLuis R. Rodriguez 1677203c4805SLuis R. Rodriguez rep[0].edge = (val >> 2) & pmask; 1678203c4805SLuis R. Rodriguez rep[1].edge = (val << 4) & pmask; 1679203c4805SLuis R. Rodriguez 1680203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1681203c4805SLuis R. Rodriguez rep[1].edge |= (val >> 12) & 0xf; 1682203c4805SLuis R. Rodriguez rep[2].edge = (val >> 6) & pmask; 1683203c4805SLuis R. Rodriguez rep[3].edge = val & pmask; 1684203c4805SLuis R. Rodriguez 1685203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1686203c4805SLuis R. Rodriguez rep[4].edge = (val >> 10) & pmask; 1687203c4805SLuis R. Rodriguez rep[5].edge = (val >> 4) & pmask; 1688203c4805SLuis R. Rodriguez rep[6].edge = (val << 2) & pmask; 1689203c4805SLuis R. Rodriguez 1690203c4805SLuis R. Rodriguez AR5K_EEPROM_READ(offset++, val); 1691203c4805SLuis R. Rodriguez rep[6].edge |= (val >> 14) & 0x3; 1692203c4805SLuis R. Rodriguez rep[7].edge = (val >> 8) & pmask; 1693203c4805SLuis R. Rodriguez } 1694203c4805SLuis R. Rodriguez for (j = 0; j < AR5K_EEPROM_N_EDGES; j++) { 1695203c4805SLuis R. Rodriguez rep[j].freq = ath5k_eeprom_bin2freq(ee, 1696203c4805SLuis R. Rodriguez rep[j].freq, ctl_mode); 1697203c4805SLuis R. Rodriguez } 1698203c4805SLuis R. Rodriguez rep += AR5K_EEPROM_N_EDGES; 1699203c4805SLuis R. Rodriguez } 1700203c4805SLuis R. Rodriguez 1701203c4805SLuis R. Rodriguez return 0; 1702203c4805SLuis R. Rodriguez } 1703203c4805SLuis R. Rodriguez 1704cd417519SNick Kossifidis static int 1705cd417519SNick Kossifidis ath5k_eeprom_read_spur_chans(struct ath5k_hw *ah) 1706cd417519SNick Kossifidis { 1707cd417519SNick Kossifidis struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; 1708cd417519SNick Kossifidis u32 offset; 1709cd417519SNick Kossifidis u16 val; 1710cd417519SNick Kossifidis int ret = 0, i; 1711cd417519SNick Kossifidis 1712cd417519SNick Kossifidis offset = AR5K_EEPROM_CTL(ee->ee_version) + 1713cd417519SNick Kossifidis AR5K_EEPROM_N_CTLS(ee->ee_version); 1714cd417519SNick Kossifidis 1715cd417519SNick Kossifidis if (ee->ee_version < AR5K_EEPROM_VERSION_5_3) { 1716cd417519SNick Kossifidis /* No spur info for 5GHz */ 1717cd417519SNick Kossifidis ee->ee_spur_chans[0][0] = AR5K_EEPROM_NO_SPUR; 1718cd417519SNick Kossifidis /* 2 channels for 2GHz (2464/2420) */ 1719cd417519SNick Kossifidis ee->ee_spur_chans[0][1] = AR5K_EEPROM_5413_SPUR_CHAN_1; 1720cd417519SNick Kossifidis ee->ee_spur_chans[1][1] = AR5K_EEPROM_5413_SPUR_CHAN_2; 1721cd417519SNick Kossifidis ee->ee_spur_chans[2][1] = AR5K_EEPROM_NO_SPUR; 1722cd417519SNick Kossifidis } else if (ee->ee_version >= AR5K_EEPROM_VERSION_5_3) { 1723cd417519SNick Kossifidis for (i = 0; i < AR5K_EEPROM_N_SPUR_CHANS; i++) { 1724cd417519SNick Kossifidis AR5K_EEPROM_READ(offset, val); 1725cd417519SNick Kossifidis ee->ee_spur_chans[i][0] = val; 1726cd417519SNick Kossifidis AR5K_EEPROM_READ(offset + AR5K_EEPROM_N_SPUR_CHANS, 1727cd417519SNick Kossifidis val); 1728cd417519SNick Kossifidis ee->ee_spur_chans[i][1] = val; 1729cd417519SNick Kossifidis offset++; 1730cd417519SNick Kossifidis } 1731cd417519SNick Kossifidis } 1732cd417519SNick Kossifidis 1733cd417519SNick Kossifidis return ret; 1734cd417519SNick Kossifidis } 1735203c4805SLuis R. Rodriguez 17369320b5c4SNick Kossifidis 17379320b5c4SNick Kossifidis /***********************\ 17389320b5c4SNick Kossifidis * Init/Detach functions * 17399320b5c4SNick Kossifidis \***********************/ 17409320b5c4SNick Kossifidis 17419320b5c4SNick Kossifidis /* 17429320b5c4SNick Kossifidis * Initialize eeprom data structure 17439320b5c4SNick Kossifidis */ 17449320b5c4SNick Kossifidis int 17459320b5c4SNick Kossifidis ath5k_eeprom_init(struct ath5k_hw *ah) 17469320b5c4SNick Kossifidis { 17479320b5c4SNick Kossifidis int err; 17489320b5c4SNick Kossifidis 17499320b5c4SNick Kossifidis err = ath5k_eeprom_init_header(ah); 17509320b5c4SNick Kossifidis if (err < 0) 17519320b5c4SNick Kossifidis return err; 17529320b5c4SNick Kossifidis 17539320b5c4SNick Kossifidis err = ath5k_eeprom_init_modes(ah); 17549320b5c4SNick Kossifidis if (err < 0) 17559320b5c4SNick Kossifidis return err; 17569320b5c4SNick Kossifidis 17579320b5c4SNick Kossifidis err = ath5k_eeprom_read_pcal_info(ah); 17589320b5c4SNick Kossifidis if (err < 0) 17599320b5c4SNick Kossifidis return err; 17609320b5c4SNick Kossifidis 17619320b5c4SNick Kossifidis err = ath5k_eeprom_read_ctl_info(ah); 17629320b5c4SNick Kossifidis if (err < 0) 17639320b5c4SNick Kossifidis return err; 17649320b5c4SNick Kossifidis 17659320b5c4SNick Kossifidis err = ath5k_eeprom_read_spur_chans(ah); 17669320b5c4SNick Kossifidis if (err < 0) 17679320b5c4SNick Kossifidis return err; 17689320b5c4SNick Kossifidis 17699320b5c4SNick Kossifidis return 0; 17709320b5c4SNick Kossifidis } 17719320b5c4SNick Kossifidis 17729320b5c4SNick Kossifidis void 17739320b5c4SNick Kossifidis ath5k_eeprom_detach(struct ath5k_hw *ah) 17749320b5c4SNick Kossifidis { 17759320b5c4SNick Kossifidis u8 mode; 17769320b5c4SNick Kossifidis 17779320b5c4SNick Kossifidis for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) 17789320b5c4SNick Kossifidis ath5k_eeprom_free_pcal_info(ah, mode); 17799320b5c4SNick Kossifidis } 17800207c0c5SBruno Randolf 17810207c0c5SBruno Randolf int 17820207c0c5SBruno Randolf ath5k_eeprom_mode_from_channel(struct ieee80211_channel *channel) 17830207c0c5SBruno Randolf { 178432c25464SPavel Roskin switch (channel->hw_value) { 178532c25464SPavel Roskin case AR5K_MODE_11A: 17860207c0c5SBruno Randolf return AR5K_EEPROM_MODE_11A; 178732c25464SPavel Roskin case AR5K_MODE_11G: 17880207c0c5SBruno Randolf return AR5K_EEPROM_MODE_11G; 178932c25464SPavel Roskin case AR5K_MODE_11B: 17900207c0c5SBruno Randolf return AR5K_EEPROM_MODE_11B; 17910207c0c5SBruno Randolf default: 17920207c0c5SBruno Randolf return -1; 17930207c0c5SBruno Randolf } 17940207c0c5SBruno Randolf } 1795