eeprom.c revision 7a047f4f2f3a812f09f42aa784499a54dc4afcf2
14c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter/* 24c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * EEPROM parser code for mac80211 Prism54 drivers 34c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * 44c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> 54c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de> 64c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> 74c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * 84c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * Based on: 94c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * - the islsm (softmac prism54) driver, which is: 104c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. 114c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * - stlc45xx driver 124c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). 134c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * 144c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * This program is free software; you can redistribute it and/or modify 154c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * it under the terms of the GNU General Public License version 2 as 164c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * published by the Free Software Foundation. 174c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter */ 184c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 194c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include <linux/init.h> 204c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include <linux/firmware.h> 214c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include <linux/etherdevice.h> 221a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter#include <linux/sort.h> 235a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 244c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 254c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include <net/mac80211.h> 26d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter#include <linux/crc-ccitt.h> 274c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 284c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include "p54.h" 294c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include "eeprom.h" 304c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#include "lmac.h" 314c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 324c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic struct ieee80211_rate p54_bgrates[] = { 334c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 10, .hw_value = 0, }, 344c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 354c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 364c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 110, .hw_value = 3, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 374c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 60, .hw_value = 4, }, 384c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 90, .hw_value = 5, }, 394c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 120, .hw_value = 6, }, 404c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 180, .hw_value = 7, }, 414c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 240, .hw_value = 8, }, 424c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 360, .hw_value = 9, }, 434c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 480, .hw_value = 10, }, 444c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 540, .hw_value = 11, }, 454c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter}; 464c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 474c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic struct ieee80211_rate p54_arates[] = { 484c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 60, .hw_value = 4, }, 494c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 90, .hw_value = 5, }, 504c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 120, .hw_value = 6, }, 514c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 180, .hw_value = 7, }, 524c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 240, .hw_value = 8, }, 534c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 360, .hw_value = 9, }, 544c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 480, .hw_value = 10, }, 554c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter { .bitrate = 540, .hw_value = 11, }, 564c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter}; 574c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 587a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparterstatic struct p54_rssi_db_entry p54_rssi_default = { 597a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter /* 607a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter * The defaults are taken from usb-logs of the 617a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter * vendor driver. So, they should be safe to 627a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter * use in case we can't get a match from the 637a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter * rssi <-> dBm conversion database. 647a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter */ 657a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter .mul = 130, 667a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter .add = -398, 677a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter}; 687a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 691a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter#define CHAN_HAS_CAL BIT(0) 701a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter#define CHAN_HAS_LIMIT BIT(1) 711a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter#define CHAN_HAS_CURVE BIT(2) 721a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter#define CHAN_HAS_ALL (CHAN_HAS_CAL | CHAN_HAS_LIMIT | CHAN_HAS_CURVE) 731a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 741a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstruct p54_channel_entry { 751a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter u16 freq; 761a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter u16 data; 771a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter int index; 781a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter enum ieee80211_band band; 794c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter}; 804c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 811a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstruct p54_channel_list { 821a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct p54_channel_entry *channels; 831a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter size_t entries; 841a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter size_t max_entries; 851a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter size_t band_channel_num[IEEE80211_NUM_BANDS]; 864c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter}; 874c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 881a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstatic int p54_get_band_from_freq(u16 freq) 891a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter{ 901a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* FIXME: sync these values with the 802.11 spec */ 911a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 921a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if ((freq >= 2412) && (freq <= 2484)) 931a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return IEEE80211_BAND_2GHZ; 941a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 951a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if ((freq >= 4920) && (freq <= 5825)) 961a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return IEEE80211_BAND_5GHZ; 971a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 981a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return -1; 991a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter} 1001a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1017a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparterstatic int same_band(u16 freq, u16 freq2) 1027a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter{ 1037a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter return p54_get_band_from_freq(freq) == p54_get_band_from_freq(freq2); 1047a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter} 1057a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 1061a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstatic int p54_compare_channels(const void *_a, 1071a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter const void *_b) 1081a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter{ 1091a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter const struct p54_channel_entry *a = _a; 1101a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter const struct p54_channel_entry *b = _b; 1111a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 112192abece7565ab37048dfd5eced966cfb2fda6f5Christian Lamparter return a->freq - b->freq; 1131a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter} 1141a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1157a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparterstatic int p54_compare_rssichan(const void *_a, 1167a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter const void *_b) 1177a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter{ 1187a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter const struct p54_rssi_db_entry *a = _a; 1197a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter const struct p54_rssi_db_entry *b = _b; 1207a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 1217a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter return a->freq - b->freq; 1227a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter} 1237a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 1241a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstatic int p54_fill_band_bitrates(struct ieee80211_hw *dev, 1251a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct ieee80211_supported_band *band_entry, 1261a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter enum ieee80211_band band) 1271a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter{ 1281a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* TODO: generate rate array dynamically */ 1291a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1301a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter switch (band) { 1311a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter case IEEE80211_BAND_2GHZ: 1321a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter band_entry->bitrates = p54_bgrates; 1331a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter band_entry->n_bitrates = ARRAY_SIZE(p54_bgrates); 1341a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter break; 1351a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter case IEEE80211_BAND_5GHZ: 1361a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter band_entry->bitrates = p54_arates; 1371a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter band_entry->n_bitrates = ARRAY_SIZE(p54_arates); 1381a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter break; 1391a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter default: 1401a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return -EINVAL; 1411a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 1421a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1431a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return 0; 1441a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter} 1451a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1461a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstatic int p54_generate_band(struct ieee80211_hw *dev, 1471a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct p54_channel_list *list, 1481a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter enum ieee80211_band band) 1491a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter{ 1501a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct p54_common *priv = dev->priv; 1511a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct ieee80211_supported_band *tmp, *old; 1521a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter unsigned int i, j; 1531a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter int ret = -ENOMEM; 1541a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1551a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if ((!list->entries) || (!list->band_channel_num[band])) 15693a59d7527147e3656664aa3179f8d19de256081Christian Lamparter return -EINVAL; 1571a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1581a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); 1591a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (!tmp) 1601a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter goto err_out; 1611a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1621a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter tmp->channels = kzalloc(sizeof(struct ieee80211_channel) * 1631a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->band_channel_num[band], GFP_KERNEL); 1641a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (!tmp->channels) 1651a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter goto err_out; 1661a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1671a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter ret = p54_fill_band_bitrates(dev, tmp, band); 1681a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (ret) 1691a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter goto err_out; 1701a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 1711a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter for (i = 0, j = 0; (j < list->band_channel_num[band]) && 1721a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter (i < list->entries); i++) { 173a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter struct p54_channel_entry *chan = &list->channels[i]; 1741a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 175a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter if (chan->band != band) 1761a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter continue; 1771a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 178a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter if (chan->data != CHAN_HAS_ALL) { 179a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter wiphy_err(dev->wiphy, "%s%s%s is/are missing for " 180a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter "channel:%d [%d MHz].\n", 181a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter (chan->data & CHAN_HAS_CAL ? "" : 182c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches " [iqauto calibration data]"), 183a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter (chan->data & CHAN_HAS_LIMIT ? "" : 184c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches " [output power limits]"), 185a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter (chan->data & CHAN_HAS_CURVE ? "" : 186c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches " [curve data]"), 187a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter chan->index, chan->freq); 18893a59d7527147e3656664aa3179f8d19de256081Christian Lamparter continue; 1891a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 1901a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 191a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter tmp->channels[j].band = chan->band; 192a3162eed04ae76be710d895978478aa6d849de41Christian Lamparter tmp->channels[j].center_freq = chan->freq; 1931a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter j++; 1941a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 1951a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 19693a59d7527147e3656664aa3179f8d19de256081Christian Lamparter if (j == 0) { 1975db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_err(dev->wiphy, "Disabling totally damaged %d GHz band\n", 198c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches (band == IEEE80211_BAND_2GHZ) ? 2 : 5); 19993a59d7527147e3656664aa3179f8d19de256081Christian Lamparter 20093a59d7527147e3656664aa3179f8d19de256081Christian Lamparter ret = -ENODATA; 20193a59d7527147e3656664aa3179f8d19de256081Christian Lamparter goto err_out; 20293a59d7527147e3656664aa3179f8d19de256081Christian Lamparter } 20393a59d7527147e3656664aa3179f8d19de256081Christian Lamparter 20493a59d7527147e3656664aa3179f8d19de256081Christian Lamparter tmp->n_channels = j; 2051a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter old = priv->band_table[band]; 2061a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->band_table[band] = tmp; 2071a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (old) { 2081a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter kfree(old->channels); 2091a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter kfree(old); 2101a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 2111a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2121a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return 0; 2131a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2141a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lampartererr_out: 2151a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (tmp) { 2161a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter kfree(tmp->channels); 2171a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter kfree(tmp); 2181a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 2191a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2201a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return ret; 2211a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter} 2221a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2231a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstatic void p54_update_channel_param(struct p54_channel_list *list, 2241a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter u16 freq, u16 data) 2251a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter{ 2261a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter int band, i; 2271a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2281a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* 2291a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter * usually all lists in the eeprom are mostly sorted. 2301a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter * so it's very likely that the entry we are looking for 2311a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter * is right at the end of the list 2321a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter */ 2331a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter for (i = list->entries; i >= 0; i--) { 2341a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (freq == list->channels[i].freq) { 2351a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->channels[i].data |= data; 2361a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter break; 2371a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 2381a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 2391a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2401a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if ((i < 0) && (list->entries < list->max_entries)) { 2411a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* entry does not exist yet. Initialize a new one. */ 2421a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter band = p54_get_band_from_freq(freq); 2431a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2441a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* 2451a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter * filter out frequencies which don't belong into 2461a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter * any supported band. 2471a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter */ 2481a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (band < 0) 2491a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return ; 2501a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2511a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter i = list->entries++; 2521a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->band_channel_num[band]++; 2531a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2541a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->channels[i].freq = freq; 2551a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->channels[i].data = data; 2561a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->channels[i].band = band; 2571a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->channels[i].index = ieee80211_frequency_to_channel(freq); 2581a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* TODO: parse output_limit and fill max_power */ 2591a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 2601a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter} 2611a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2621a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterstatic int p54_generate_channel_lists(struct ieee80211_hw *dev) 2631a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter{ 2641a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct p54_common *priv = dev->priv; 2651a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter struct p54_channel_list *list; 2661a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter unsigned int i, j, max_channel_num; 26793a59d7527147e3656664aa3179f8d19de256081Christian Lamparter int ret = 0; 2681a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter u16 freq; 2691a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2701a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if ((priv->iq_autocal_len != priv->curve_data->entries) || 2711a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter (priv->iq_autocal_len != priv->output_limit->entries)) 272c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, 273c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "Unsupported or damaged EEPROM detected. " 274c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "You may not be able to use all channels.\n"); 2751a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2761a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter max_channel_num = max_t(unsigned int, priv->output_limit->entries, 2771a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->iq_autocal_len); 2781a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter max_channel_num = max_t(unsigned int, max_channel_num, 2791a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->curve_data->entries); 2801a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2811a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list = kzalloc(sizeof(*list), GFP_KERNEL); 28293a59d7527147e3656664aa3179f8d19de256081Christian Lamparter if (!list) { 28393a59d7527147e3656664aa3179f8d19de256081Christian Lamparter ret = -ENOMEM; 2841a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter goto free; 28593a59d7527147e3656664aa3179f8d19de256081Christian Lamparter } 2861a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2871a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->max_entries = max_channel_num; 2881a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter list->channels = kzalloc(sizeof(struct p54_channel_entry) * 2891a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter max_channel_num, GFP_KERNEL); 2900d91f22b75347d9503b17a42b6c74d3f7750acd6Julia Lawall if (!list->channels) { 2910d91f22b75347d9503b17a42b6c74d3f7750acd6Julia Lawall ret = -ENOMEM; 2921a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter goto free; 2930d91f22b75347d9503b17a42b6c74d3f7750acd6Julia Lawall } 2941a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 2951a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter for (i = 0; i < max_channel_num; i++) { 2961a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (i < priv->iq_autocal_len) { 2971a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter freq = le16_to_cpu(priv->iq_autocal[i].freq); 2981a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter p54_update_channel_param(list, freq, CHAN_HAS_CAL); 2991a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3001a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3011a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (i < priv->output_limit->entries) { 3021a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter freq = le16_to_cpup((__le16 *) (i * 3031a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->output_limit->entry_size + 3041a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->output_limit->offset + 3051a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->output_limit->data)); 3061a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3071a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter p54_update_channel_param(list, freq, CHAN_HAS_LIMIT); 3081a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3091a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3101a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (i < priv->curve_data->entries) { 3111a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter freq = le16_to_cpup((__le16 *) (i * 3121a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->curve_data->entry_size + 3131a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->curve_data->offset + 3141a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->curve_data->data)); 3151a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3161a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter p54_update_channel_param(list, freq, CHAN_HAS_CURVE); 3171a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3181a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3191a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 320192abece7565ab37048dfd5eced966cfb2fda6f5Christian Lamparter /* sort the channel list by frequency */ 3211a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter sort(list->channels, list->entries, sizeof(struct p54_channel_entry), 3221a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter p54_compare_channels, NULL); 3231a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3241a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter for (i = 0, j = 0; i < IEEE80211_NUM_BANDS; i++) { 32593a59d7527147e3656664aa3179f8d19de256081Christian Lamparter if (p54_generate_band(dev, list, i) == 0) 3261a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter j++; 3271a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3281a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (j == 0) { 3291a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter /* no useable band available. */ 3301a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter ret = -EINVAL; 3311a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3321a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3331a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparterfree: 3341a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (list) { 3351a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter kfree(list->channels); 3361a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter kfree(list); 3371a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter } 3381a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3391a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter return ret; 3401a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter} 3411a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 3424c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic int p54_convert_rev0(struct ieee80211_hw *dev, 3434c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_pa_curve_data *curve_data) 3444c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 3454c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_common *priv = dev->priv; 3464c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_pa_curve_data_sample *dst; 3474c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_pa_curve_data_sample_rev0 *src; 3484c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter size_t cd_len = sizeof(*curve_data) + 3494c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter (curve_data->points_per_channel*sizeof(*dst) + 2) * 3504c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter curve_data->channels; 3514c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter unsigned int i, j; 3524c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter void *source, *target; 3534c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 3544c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len, 3554c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter GFP_KERNEL); 3564c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!priv->curve_data) 3574c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return -ENOMEM; 3584c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 3594c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->entries = curve_data->channels; 3604c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->entry_size = sizeof(__le16) + 3614c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter sizeof(*dst) * curve_data->points_per_channel; 3624c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); 3634c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->len = cd_len; 3644c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); 3654c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source = curve_data->data; 3664c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; 3674c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter for (i = 0; i < curve_data->channels; i++) { 3684c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter __le16 *freq = source; 3694c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source += sizeof(__le16); 3704c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter *((__le16 *)target) = *freq; 3714c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter target += sizeof(__le16); 3724c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter for (j = 0; j < curve_data->points_per_channel; j++) { 3734c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst = target; 3744c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter src = source; 3754c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 3764c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->rf_power = src->rf_power; 3774c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->pa_detector = src->pa_detector; 3784c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->data_64qam = src->pcv; 3794c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter /* "invent" the points for the other modulations */ 3804c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#define SUB(x, y) (u8)(((x) - (y)) > (x) ? 0 : (x) - (y)) 3814c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->data_16qam = SUB(src->pcv, 12); 3824c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->data_qpsk = SUB(dst->data_16qam, 12); 3834c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->data_bpsk = SUB(dst->data_qpsk, 12); 3844c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->data_barker = SUB(dst->data_bpsk, 14); 3854c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter#undef SUB 3864c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter target += sizeof(*dst); 3874c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source += sizeof(*src); 3884c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 3894c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 3904c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 3914c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return 0; 3924c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 3934c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 3944c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic int p54_convert_rev1(struct ieee80211_hw *dev, 3954c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_pa_curve_data *curve_data) 3964c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 3974c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_common *priv = dev->priv; 3984c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_pa_curve_data_sample *dst; 3994c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_pa_curve_data_sample_rev1 *src; 4004c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter size_t cd_len = sizeof(*curve_data) + 4014c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter (curve_data->points_per_channel*sizeof(*dst) + 2) * 4024c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter curve_data->channels; 4034c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter unsigned int i, j; 4044c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter void *source, *target; 4054c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4064c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data), 4074c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter GFP_KERNEL); 4084c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!priv->curve_data) 4094c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return -ENOMEM; 4104c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4114c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->entries = curve_data->channels; 4124c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->entry_size = sizeof(__le16) + 4134c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter sizeof(*dst) * curve_data->points_per_channel; 4144c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); 4154c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data->len = cd_len; 4164c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); 4174c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source = curve_data->data; 4184c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; 4194c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter for (i = 0; i < curve_data->channels; i++) { 4204c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter __le16 *freq = source; 4214c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source += sizeof(__le16); 4224c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter *((__le16 *)target) = *freq; 4234c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter target += sizeof(__le16); 4244c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter for (j = 0; j < curve_data->points_per_channel; j++) { 4254c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter memcpy(target, source, sizeof(*src)); 4264c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4274c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter target += sizeof(*dst); 4284c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source += sizeof(*src); 4294c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 4304c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter source++; 4314c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 4324c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4334c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return 0; 4344c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 4354c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4364c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic const char *p54_rf_chips[] = { "INVALID-0", "Duette3", "Duette2", 4374c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter "Frisbee", "Xbow", "Longbow", "INVALID-6", "INVALID-7" }; 4384c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4397a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparterstatic int p54_parse_rssical(struct ieee80211_hw *dev, 4407a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter u8 *data, int len, u16 type) 4414c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 4424c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_common *priv = dev->priv; 4437a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter struct p54_rssi_db_entry *entry; 4447a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter size_t db_len, entries; 4457a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter int offset = 0, i; 4467a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 4477a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (type != PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED) { 4487a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entries = (type == PDR_RSSI_LINEAR_APPROXIMATION) ? 1 : 2; 4497a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (len != sizeof(struct pda_rssi_cal_entry) * entries) { 4507a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter wiphy_err(dev->wiphy, "rssical size mismatch.\n"); 4517a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter goto err_data; 4527a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 4537a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } else { 4547a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter /* 4557a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter * Some devices (Dell 1450 USB, Xbow 5GHz card, etc...) 4567a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter * have an empty two byte header. 4577a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter */ 4587a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (*((__le16 *)&data[offset]) == cpu_to_le16(0)) 4597a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter offset += 2; 4604c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4617a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entries = (len - offset) / 4627a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter sizeof(struct pda_rssi_cal_ext_entry); 4634c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4647a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if ((len - offset) % sizeof(struct pda_rssi_cal_ext_entry) || 4657a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entries <= 0) { 4667a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter wiphy_err(dev->wiphy, "invalid rssi database.\n"); 4677a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter goto err_data; 4687a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 4697a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 4704c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 4717a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter db_len = sizeof(*entry) * entries; 4727a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db = kzalloc(db_len + sizeof(*priv->rssi_db), GFP_KERNEL); 4737a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (!priv->rssi_db) 4747a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter return -ENOMEM; 4757a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 4767a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db->offset = 0; 4777a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db->entries = entries; 4787a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db->entry_size = sizeof(*entry); 4797a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db->len = db_len; 4807a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 4817a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry = (void *)((unsigned long)priv->rssi_db->data + priv->rssi_db->offset); 4827a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (type == PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED) { 4837a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter struct pda_rssi_cal_ext_entry *cal = (void *) &data[offset]; 4847a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 4857a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter for (i = 0; i < entries; i++) { 4867a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry[i].freq = le16_to_cpu(cal[i].freq); 4877a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry[i].mul = (s16) le16_to_cpu(cal[i].mul); 4887a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry[i].add = (s16) le16_to_cpu(cal[i].add); 4897a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 4907a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } else { 4917a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter struct pda_rssi_cal_entry *cal = (void *) &data[offset]; 4927a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 4937a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter for (i = 0; i < entries; i++) { 4947a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter u16 freq; 4957a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter switch (i) { 4967a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter case IEEE80211_BAND_2GHZ: 4977a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter freq = 2437; 4987a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter break; 4997a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter case IEEE80211_BAND_5GHZ: 5007a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter freq = 5240; 5017a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter break; 5027a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 5037a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5047a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry[i].freq = freq; 5057a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry[i].mul = (s16) le16_to_cpu(cal[i].mul); 5067a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter entry[i].add = (s16) le16_to_cpu(cal[i].add); 5077a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 5084c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 5094c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5107a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter /* sort the list by channel frequency */ 5117a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter sort(entry, entries, sizeof(*entry), p54_compare_rssichan, NULL); 5127a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter return 0; 5137a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5147a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lampartererr_data: 5157a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter wiphy_err(dev->wiphy, 5167a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter "rssi calibration data packing type:(%x) len:%d.\n", 5177a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter type, len); 5187a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5197a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter print_hex_dump_bytes("rssical:", DUMP_PREFIX_NONE, data, len); 5207a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5217a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter wiphy_err(dev->wiphy, "please report this issue.\n"); 5227a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter return -EINVAL; 5237a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter} 5247a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5257a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparterstruct p54_rssi_db_entry *p54_rssi_find(struct p54_common *priv, const u16 freq) 5267a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter{ 5277a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter struct p54_rssi_db_entry *entry = (void *)(priv->rssi_db->data + 5287a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db->offset); 5297a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter int i, found = -1; 5307a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5317a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter for (i = 0; i < priv->rssi_db->entries; i++) { 5327a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (!same_band(freq, entry[i].freq)) 5337a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter continue; 5347a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5357a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (found == -1) { 5367a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter found = i; 5377a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter continue; 5387a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 5397a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5407a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter /* nearest match */ 5417a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (abs(freq - entry[i].freq) < 5427a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter abs(freq - entry[found].freq)) { 5437a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter found = i; 5447a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter continue; 5457a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } else { 5467a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter break; 5477a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter } 5484c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 5497a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 5507a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter return found < 0 ? &p54_rssi_default : &entry[found]; 5514c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 5524c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5534c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic void p54_parse_default_country(struct ieee80211_hw *dev, 5544c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter void *data, int len) 5554c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 5564c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_country *country; 5574c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5584c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (len != sizeof(*country)) { 559c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, 560c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "found possible invalid default country eeprom entry. (entry size: %d)\n", 561c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches len); 5624c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5634c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter print_hex_dump_bytes("country:", DUMP_PREFIX_NONE, 5644c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter data, len); 5654c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 566c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, "please report this issue.\n"); 5674c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return; 5684c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 5694c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5704c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter country = (struct pda_country *) data; 5714c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (country->flags == PDR_COUNTRY_CERT_CODE_PSEUDO) 5724c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter regulatory_hint(dev->wiphy, country->alpha2); 5734c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter else { 5744c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter /* TODO: 5754c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * write a shared/common function that converts 5764c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * "Regulatory domain codes" (802.11-2007 14.8.2.2) 5774c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter * into ISO/IEC 3166-1 alpha2 for regulatory_hint. 5784c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter */ 5794c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 5804c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 5814c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5824c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic int p54_convert_output_limits(struct ieee80211_hw *dev, 5834c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter u8 *data, size_t len) 5844c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 5854c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_common *priv = dev->priv; 5864c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5874c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (len < 2) 5884c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return -EINVAL; 5894c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5904c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (data[0] != 0) { 591c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, "unknown output power db revision:%x\n", 592c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches data[0]); 5934c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return -EINVAL; 5944c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 5954c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5964c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (2 + data[1] * sizeof(struct pda_channel_output_limit) > len) 5974c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return -EINVAL; 5984c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 5994c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit = kmalloc(data[1] * 6004c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter sizeof(struct pda_channel_output_limit) + 6014c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter sizeof(*priv->output_limit), GFP_KERNEL); 6024c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6034c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!priv->output_limit) 6044c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return -ENOMEM; 6054c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6064c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit->offset = 0; 6074c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit->entries = data[1]; 6084c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit->entry_size = 6094c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter sizeof(struct pda_channel_output_limit); 6104c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit->len = priv->output_limit->entry_size * 6114c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit->entries + 6124c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit->offset; 6134c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6144c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter memcpy(priv->output_limit->data, &data[2], 6154c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter data[1] * sizeof(struct pda_channel_output_limit)); 6164c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6174c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return 0; 6184c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 6194c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6204c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterstatic struct p54_cal_database *p54_convert_db(struct pda_custom_wrapper *src, 6214c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter size_t total_len) 6224c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 6234c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_cal_database *dst; 6244c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter size_t payload_len, entries, entry_size, offset; 6254c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6264c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter payload_len = le16_to_cpu(src->len); 6274c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter entries = le16_to_cpu(src->entries); 6284c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter entry_size = le16_to_cpu(src->entry_size); 6294c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter offset = le16_to_cpu(src->offset); 6304c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (((entries * entry_size + offset) != payload_len) || 6314c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter (payload_len + sizeof(*src) != total_len)) 6324c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return NULL; 6334c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6344c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst = kmalloc(sizeof(*dst) + payload_len, GFP_KERNEL); 6354c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!dst) 6364c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return NULL; 6374c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6384c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->entries = entries; 6394c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->entry_size = entry_size; 6404c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->offset = offset; 6414c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter dst->len = payload_len; 6424c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6434c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter memcpy(dst->data, src->data, payload_len); 6444c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return dst; 6454c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 6464c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6474c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterint p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) 6484c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 6494c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_common *priv = dev->priv; 650e6a3f551bc236010c4d4d99e626e150e98a4c3e6Larry Finger struct eeprom_pda_wrap *wrap; 6514c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_entry *entry; 6524c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter unsigned int data_len, entry_len; 6534c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter void *tmp; 6544c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter int err; 6554c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter u8 *end = (u8 *)eeprom + len; 6564c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter u16 synth = 0; 657d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter u16 crc16 = ~0; 6584c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6594c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter wrap = (struct eeprom_pda_wrap *) eeprom; 6604c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter entry = (void *)wrap->data + le16_to_cpu(wrap->len); 6614c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6624c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter /* verify that at least the entry length/code fits */ 6634c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter while ((u8 *)entry <= end - sizeof(*entry)) { 6644c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter entry_len = le16_to_cpu(entry->len); 6654c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter data_len = ((entry_len - 1) << 1); 6664c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6674c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter /* abort if entry exceeds whole structure */ 6684c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if ((u8 *)entry + sizeof(*entry) + data_len > end) 6694c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 6704c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6714c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter switch (le16_to_cpu(entry->code)) { 6724c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_MAC_ADDRESS: 6734c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (data_len != ETH_ALEN) 6744c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 6754c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter SET_IEEE80211_PERM_ADDR(dev, entry->data); 6764c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 6774c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS: 6784c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (priv->output_limit) 6794c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 6804c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = p54_convert_output_limits(dev, entry->data, 6814c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter data_len); 6824c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (err) 6834c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto err; 6844c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 6854c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_PRISM_PA_CAL_CURVE_DATA: { 6864c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_pa_curve_data *curve_data = 6874c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter (struct pda_pa_curve_data *)entry->data; 6884c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (data_len < sizeof(*curve_data)) { 6894c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = -EINVAL; 6904c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto err; 6914c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 6924c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 6934c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter switch (curve_data->cal_method_rev) { 6944c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case 0: 6954c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = p54_convert_rev0(dev, curve_data); 6964c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 6974c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case 1: 6984c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = p54_convert_rev1(dev, curve_data); 6994c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7004c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter default: 701c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, 702c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "unknown curve data revision %d\n", 703c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches curve_data->cal_method_rev); 7044c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = -ENODEV; 7054c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7064c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7074c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (err) 7084c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto err; 7094c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7104c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7114c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_PRISM_ZIF_TX_IQ_CALIBRATION: 71227b81bbed881ae93e8c23c216129cdeee86d4051Julia Lawall priv->iq_autocal = kmemdup(entry->data, data_len, 71327b81bbed881ae93e8c23c216129cdeee86d4051Julia Lawall GFP_KERNEL); 7144c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!priv->iq_autocal) { 7154c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = -ENOMEM; 7164c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto err; 7174c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7184c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 7194c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry); 7204c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7214c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_DEFAULT_COUNTRY: 7224c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter p54_parse_default_country(dev, entry->data, data_len); 7234c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7244c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_INTERFACE_LIST: 7254c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter tmp = entry->data; 7264c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter while ((u8 *)tmp < entry->data + data_len) { 7274c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct exp_if *exp_if = tmp; 7284c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (exp_if->if_id == cpu_to_le16(IF_ID_ISL39000)) 7294c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter synth = le16_to_cpu(exp_if->variant); 7304c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter tmp += sizeof(*exp_if); 7314c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7324c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7334c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_HARDWARE_PLATFORM_COMPONENT_ID: 7344c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (data_len < 2) 7354c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7364c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->version = *(u8 *)(entry->data + 1); 7374c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7384c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_RSSI_LINEAR_APPROXIMATION: 7394c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND: 7404c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED: 7417a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter err = p54_parse_rssical(dev, entry->data, data_len, 7427a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter le16_to_cpu(entry->code)); 7437a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (err) 7447a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter goto err; 7454c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7467a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter case PDR_RSSI_LINEAR_APPROXIMATION_CUSTOMV2: { 7477a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter struct pda_custom_wrapper *pda = (void *) entry->data; 7487a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter __le16 *src; 7497a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter u16 *dst; 7504c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter int i; 7514c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 7527a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (priv->rssi_db || data_len < sizeof(*pda)) 7537a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter break; 7547a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 7557a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db = p54_convert_db(pda, data_len); 7567a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter if (!priv->rssi_db) 7577a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter break; 7587a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 7597a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter src = (void *) priv->rssi_db->data; 7607a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter dst = (void *) priv->rssi_db->data; 7617a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 7627a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter for (i = 0; i < priv->rssi_db->entries; i++) 7634c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter *(dst++) = (s16) le16_to_cpu(*(src++)); 7647a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 7654c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7664c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7674c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS_CUSTOM: { 7684c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_custom_wrapper *pda = (void *) entry->data; 7694c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (priv->output_limit || data_len < sizeof(*pda)) 7704c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7714c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit = p54_convert_db(pda, data_len); 7724c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7734c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7744c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_PRISM_PA_CAL_CURVE_DATA_CUSTOM: { 7754c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct pda_custom_wrapper *pda = (void *) entry->data; 7764c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (priv->curve_data || data_len < sizeof(*pda)) 7774c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7784c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data = p54_convert_db(pda, data_len); 7794c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7804c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7814c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter case PDR_END: 782d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter crc16 = ~crc_ccitt(crc16, (u8 *) entry, sizeof(*entry)); 783d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter if (crc16 != le16_to_cpup((__le16 *)entry->data)) { 784d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter wiphy_err(dev->wiphy, "eeprom failed checksum " 785d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter "test!\n"); 786d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter err = -ENOMSG; 787d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter goto err; 788d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter } else { 789d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter goto good_eeprom; 790d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter } 7914c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7924c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter default: 7934c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter break; 7944c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7954c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 796d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter crc16 = crc_ccitt(crc16, (u8 *)entry, (entry_len + 1) * 2); 797d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter entry = (void *)entry + (entry_len + 1) * 2; 7984c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 7994c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 800d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter wiphy_err(dev->wiphy, "unexpected end of eeprom data.\n"); 801d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter err = -ENODATA; 802d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter goto err; 803d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lamparter 804d7eb50c0f7cb5d3ebb7bea8c681a6dfda3819a3bChristian Lampartergood_eeprom: 8054c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!synth || !priv->iq_autocal || !priv->output_limit || 8064c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter !priv->curve_data) { 807c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, 808c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches "not all required entries found in eeprom!\n"); 8094c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter err = -EINVAL; 8104c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto err; 8114c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 8124c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8131a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter err = p54_generate_channel_lists(dev); 8141a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter if (err) 8151a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter goto err; 8161a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter 8174c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK; 8184c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW) 8194c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter p54_init_xbow_synth(priv); 8204c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!(synth & PDR_SYNTH_24_GHZ_DISABLED)) 8211a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter dev->wiphy->bands[IEEE80211_BAND_2GHZ] = 8221a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->band_table[IEEE80211_BAND_2GHZ]; 8234c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!(synth & PDR_SYNTH_5_GHZ_DISABLED)) 8241a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter dev->wiphy->bands[IEEE80211_BAND_5GHZ] = 8251a9b6679adfb8ef1f1f3dbb7ebd2ee72e2ea4b56Christian Lamparter priv->band_table[IEEE80211_BAND_5GHZ]; 8264c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED) 8274c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->rx_diversity_mask = 3; 8284c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED) 8294c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->tx_diversity_mask = 3; 8304c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8314c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { 8324c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter u8 perm_addr[ETH_ALEN]; 8334c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 834c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_warn(dev->wiphy, 8355db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches "Invalid hwaddr! Using randomly generated MAC addr\n"); 8364c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter random_ether_addr(perm_addr); 8374c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter SET_IEEE80211_PERM_ADDR(dev, perm_addr); 8384c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 8394c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8407a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->cur_rssi = &p54_rssi_default; 8417a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter 8425db5584441c2dceb75696fb31a44ac7b9b925359Joe Perches wiphy_info(dev->wiphy, "hwaddr %pM, MAC:isl38%02x RF:%s\n", 843c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches dev->wiphy->perm_addr, priv->version, 844c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches p54_rf_chips[priv->rxhw]); 8454c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8464c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return 0; 8474c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8484c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lampartererr: 8494c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter kfree(priv->iq_autocal); 8504c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter kfree(priv->output_limit); 8514c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter kfree(priv->curve_data); 8527a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter kfree(priv->rssi_db); 8534c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->iq_autocal = NULL; 8544c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->output_limit = NULL; 8554c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter priv->curve_data = NULL; 8567a047f4f2f3a812f09f42aa784499a54dc4afcf2Christian Lamparter priv->rssi_db = NULL; 8574c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 858c96c31e499b70964cfc88744046c998bb710e4b8Joe Perches wiphy_err(dev->wiphy, "eeprom parse failed!\n"); 8594c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return err; 8604c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 8614c8a32f57105a78c49e01f083717cdb531d3c2b9Christian LamparterEXPORT_SYMBOL_GPL(p54_parse_eeprom); 8624c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8634c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterint p54_read_eeprom(struct ieee80211_hw *dev) 8644c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter{ 8654c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter struct p54_common *priv = dev->priv; 8664c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter size_t eeprom_size = 0x2020, offset = 0, blocksize, maxblocksize; 8674c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter int ret = -ENOMEM; 868e6a3f551bc236010c4d4d99e626e150e98a4c3e6Larry Finger void *eeprom; 8694c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8704c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter maxblocksize = EEPROM_READBACK_LEN; 8714c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (priv->fw_var >= 0x509) 8724c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter maxblocksize -= 0xc; 8734c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter else 8744c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter maxblocksize -= 0x4; 8754c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8764c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter eeprom = kzalloc(eeprom_size, GFP_KERNEL); 8774c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (unlikely(!eeprom)) 8784c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto free; 8794c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8804c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter while (eeprom_size) { 8814c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter blocksize = min(eeprom_size, maxblocksize); 8824c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter ret = p54_download_eeprom(priv, (void *) (eeprom + offset), 8834c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter offset, blocksize); 8844c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter if (unlikely(ret)) 8854c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter goto free; 8864c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8874c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter offset += blocksize; 8884c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter eeprom_size -= blocksize; 8894c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter } 8904c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter 8914c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter ret = p54_parse_eeprom(dev, eeprom, offset); 8924c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparterfree: 8934c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter kfree(eeprom); 8944c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter return ret; 8954c8a32f57105a78c49e01f083717cdb531d3c2b9Christian Lamparter} 8964c8a32f57105a78c49e01f083717cdb531d3c2b9Christian LamparterEXPORT_SYMBOL_GPL(p54_read_eeprom); 897