diff options
author | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 09:49:59 +0200 |
---|---|---|
committer | Kalle Valo <kvalo@codeaurora.org> | 2015-11-18 14:28:31 +0200 |
commit | d3466830c165a298419788b88086ea99974e63ff (patch) | |
tree | 5621c36a3a051495678dc816c888f3fe149ed125 /drivers/net/wireless/p54 | |
parent | eb4f98d5deb9b3a36e8b3ab7a9dec1b5ebc76e75 (diff) |
p54: move under intersil vendor directory
Part of reorganising wireless drivers directory and Kconfig.
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/p54')
-rw-r--r-- | drivers/net/wireless/p54/Kconfig | 71 | ||||
-rw-r--r-- | drivers/net/wireless/p54/Makefile | 7 | ||||
-rw-r--r-- | drivers/net/wireless/p54/eeprom.c | 982 | ||||
-rw-r--r-- | drivers/net/wireless/p54/eeprom.h | 245 | ||||
-rw-r--r-- | drivers/net/wireless/p54/fwio.c | 764 | ||||
-rw-r--r-- | drivers/net/wireless/p54/led.c | 161 | ||||
-rw-r--r-- | drivers/net/wireless/p54/lmac.h | 562 | ||||
-rw-r--r-- | drivers/net/wireless/p54/main.c | 867 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54.h | 281 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54pci.c | 703 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54pci.h | 112 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54spi.c | 720 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54spi.h | 125 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54spi_eeprom.h | 679 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54usb.c | 1149 | ||||
-rw-r--r-- | drivers/net/wireless/p54/p54usb.h | 162 | ||||
-rw-r--r-- | drivers/net/wireless/p54/txrx.c | 940 |
17 files changed, 0 insertions, 8530 deletions
diff --git a/drivers/net/wireless/p54/Kconfig b/drivers/net/wireless/p54/Kconfig deleted file mode 100644 index cdafb8c73e82..000000000000 --- a/drivers/net/wireless/p54/Kconfig +++ /dev/null @@ -1,71 +0,0 @@ -config P54_COMMON - tristate "Softmac Prism54 support" - depends on MAC80211 - select FW_LOADER - select CRC_CCITT - ---help--- - This is common code for isl38xx/stlc45xx based modules. - This module does nothing by itself - the USB/PCI/SPI front-ends - also need to be enabled in order to support any devices. - - These devices require softmac firmware which can be found at - <http://wireless.kernel.org/en/users/Drivers/p54> - - If you choose to build a module, it'll be called p54common. - -config P54_USB - tristate "Prism54 USB support" - depends on P54_COMMON && USB - select CRC32 - ---help--- - This driver is for USB isl38xx based wireless cards. - - These devices require softmac firmware which can be found at - <http://wireless.kernel.org/en/users/Drivers/p54> - - If you choose to build a module, it'll be called p54usb. - -config P54_PCI - tristate "Prism54 PCI support" - depends on P54_COMMON && PCI - ---help--- - This driver is for PCI isl38xx based wireless cards. - This driver supports most devices that are supported by the - fullmac prism54 driver plus many devices which are not - supported by the fullmac driver/firmware. - - This driver requires softmac firmware which can be found at - <http://wireless.kernel.org/en/users/Drivers/p54> - - If you choose to build a module, it'll be called p54pci. - -config P54_SPI - tristate "Prism54 SPI (stlc45xx) support" - depends on P54_COMMON && SPI_MASTER - ---help--- - This driver is for stlc4550 or stlc4560 based wireless chips - such as Nokia's N800/N810 Portable Internet Tablet. - - If you choose to build a module, it'll be called p54spi. - -config P54_SPI_DEFAULT_EEPROM - bool "Include fallback EEPROM blob" - depends on P54_SPI - default n - ---help--- - Unlike the PCI or USB devices, the SPI variants don't have - a dedicated EEPROM chip to store all device specific values - for calibration, country and interface settings. - - The driver will try to load the image "3826.eeprom", if the - file is put at the right place. (usually /lib/firmware.) - - Only if this request fails, this option will provide a - backup set of generic values to get the device working. - - Enabling this option adds about 4k to p54spi. - -config P54_LEDS - bool - depends on P54_COMMON && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = P54_COMMON) - default y diff --git a/drivers/net/wireless/p54/Makefile b/drivers/net/wireless/p54/Makefile deleted file mode 100644 index b542e68f1781..000000000000 --- a/drivers/net/wireless/p54/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -p54common-objs := eeprom.o fwio.o txrx.o main.o -p54common-$(CONFIG_P54_LEDS) += led.o - -obj-$(CONFIG_P54_COMMON) += p54common.o -obj-$(CONFIG_P54_USB) += p54usb.o -obj-$(CONFIG_P54_PCI) += p54pci.o -obj-$(CONFIG_P54_SPI) += p54spi.o diff --git a/drivers/net/wireless/p54/eeprom.c b/drivers/net/wireless/p54/eeprom.c deleted file mode 100644 index 2fe713eda7ad..000000000000 --- a/drivers/net/wireless/p54/eeprom.c +++ /dev/null @@ -1,982 +0,0 @@ -/* - * EEPROM parser code for mac80211 Prism54 drivers - * - * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> - * Copyright (c) 2007-2009, Christian Lamparter <chunkeey@web.de> - * Copyright 2008, Johannes Berg <johannes@sipsolutions.net> - * - * Based on: - * - the islsm (softmac prism54) driver, which is: - * Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al. - * - stlc45xx driver - * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/firmware.h> -#include <linux/etherdevice.h> -#include <linux/sort.h> -#include <linux/slab.h> - -#include <net/mac80211.h> -#include <linux/crc-ccitt.h> -#include <linux/export.h> - -#include "p54.h" -#include "eeprom.h" -#include "lmac.h" - -static struct ieee80211_rate p54_bgrates[] = { - { .bitrate = 10, .hw_value = 0, }, - { .bitrate = 20, .hw_value = 1, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 55, .hw_value = 2, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 110, .hw_value = 3, .flags = IEEE80211_RATE_SHORT_PREAMBLE }, - { .bitrate = 60, .hw_value = 4, }, - { .bitrate = 90, .hw_value = 5, }, - { .bitrate = 120, .hw_value = 6, }, - { .bitrate = 180, .hw_value = 7, }, - { .bitrate = 240, .hw_value = 8, }, - { .bitrate = 360, .hw_value = 9, }, - { .bitrate = 480, .hw_value = 10, }, - { .bitrate = 540, .hw_value = 11, }, -}; - -static struct ieee80211_rate p54_arates[] = { - { .bitrate = 60, .hw_value = 4, }, - { .bitrate = 90, .hw_value = 5, }, - { .bitrate = 120, .hw_value = 6, }, - { .bitrate = 180, .hw_value = 7, }, - { .bitrate = 240, .hw_value = 8, }, - { .bitrate = 360, .hw_value = 9, }, - { .bitrate = 480, .hw_value = 10, }, - { .bitrate = 540, .hw_value = 11, }, -}; - -static struct p54_rssi_db_entry p54_rssi_default = { - /* - * The defaults are taken from usb-logs of the - * vendor driver. So, they should be safe to - * use in case we can't get a match from the - * rssi <-> dBm conversion database. - */ - .mul = 130, - .add = -398, -}; - -#define CHAN_HAS_CAL BIT(0) -#define CHAN_HAS_LIMIT BIT(1) -#define CHAN_HAS_CURVE BIT(2) -#define CHAN_HAS_ALL (CHAN_HAS_CAL | CHAN_HAS_LIMIT | CHAN_HAS_CURVE) - -struct p54_channel_entry { - u16 freq; - u16 data; - int index; - int max_power; - enum ieee80211_band band; -}; - -struct p54_channel_list { - struct p54_channel_entry *channels; - size_t entries; - size_t max_entries; - size_t band_channel_num[IEEE80211_NUM_BANDS]; -}; - -static int p54_get_band_from_freq(u16 freq) -{ - /* FIXME: sync these values with the 802.11 spec */ - - if ((freq >= 2412) && (freq <= 2484)) - return IEEE80211_BAND_2GHZ; - - if ((freq >= 4920) && (freq <= 5825)) - return IEEE80211_BAND_5GHZ; - - return -1; -} - -static int same_band(u16 freq, u16 freq2) -{ - return p54_get_band_from_freq(freq) == p54_get_band_from_freq(freq2); -} - -static int p54_compare_channels(const void *_a, - const void *_b) -{ - const struct p54_channel_entry *a = _a; - const struct p54_channel_entry *b = _b; - - return a->freq - b->freq; -} - -static int p54_compare_rssichan(const void *_a, - const void *_b) -{ - const struct p54_rssi_db_entry *a = _a; - const struct p54_rssi_db_entry *b = _b; - - return a->freq - b->freq; -} - -static int p54_fill_band_bitrates(struct ieee80211_hw *dev, - struct ieee80211_supported_band *band_entry, - enum ieee80211_band band) -{ - /* TODO: generate rate array dynamically */ - - switch (band) { - case IEEE80211_BAND_2GHZ: - band_entry->bitrates = p54_bgrates; - band_entry->n_bitrates = ARRAY_SIZE(p54_bgrates); - break; - case IEEE80211_BAND_5GHZ: - band_entry->bitrates = p54_arates; - band_entry->n_bitrates = ARRAY_SIZE(p54_arates); - break; - default: - return -EINVAL; - } - - return 0; -} - -static int p54_generate_band(struct ieee80211_hw *dev, - struct p54_channel_list *list, - unsigned int *chan_num, - enum ieee80211_band band) -{ - struct p54_common *priv = dev->priv; - struct ieee80211_supported_band *tmp, *old; - unsigned int i, j; - int ret = -ENOMEM; - - if ((!list->entries) || (!list->band_channel_num[band])) - return -EINVAL; - - tmp = kzalloc(sizeof(*tmp), GFP_KERNEL); - if (!tmp) - goto err_out; - - tmp->channels = kzalloc(sizeof(struct ieee80211_channel) * - list->band_channel_num[band], GFP_KERNEL); - if (!tmp->channels) - goto err_out; - - ret = p54_fill_band_bitrates(dev, tmp, band); - if (ret) - goto err_out; - - for (i = 0, j = 0; (j < list->band_channel_num[band]) && - (i < list->entries); i++) { - struct p54_channel_entry *chan = &list->channels[i]; - struct ieee80211_channel *dest = &tmp->channels[j]; - - if (chan->band != band) - continue; - - if (chan->data != CHAN_HAS_ALL) { - wiphy_err(dev->wiphy, "%s%s%s is/are missing for " - "channel:%d [%d MHz].\n", - (chan->data & CHAN_HAS_CAL ? "" : - " [iqauto calibration data]"), - (chan->data & CHAN_HAS_LIMIT ? "" : - " [output power limits]"), - (chan->data & CHAN_HAS_CURVE ? "" : - " [curve data]"), - chan->index, chan->freq); - continue; - } - - dest->band = chan->band; - dest->center_freq = chan->freq; - dest->max_power = chan->max_power; - priv->survey[*chan_num].channel = &tmp->channels[j]; - priv->survey[*chan_num].filled = SURVEY_INFO_NOISE_DBM | - SURVEY_INFO_TIME | - SURVEY_INFO_TIME_BUSY | - SURVEY_INFO_TIME_TX; - dest->hw_value = (*chan_num); - j++; - (*chan_num)++; - } - - if (j == 0) { - wiphy_err(dev->wiphy, "Disabling totally damaged %d GHz band\n", - (band == IEEE80211_BAND_2GHZ) ? 2 : 5); - - ret = -ENODATA; - goto err_out; - } - - tmp->n_channels = j; - old = priv->band_table[band]; - priv->band_table[band] = tmp; - if (old) { - kfree(old->channels); - kfree(old); - } - - return 0; - -err_out: - if (tmp) { - kfree(tmp->channels); - kfree(tmp); - } - - return ret; -} - -static struct p54_channel_entry *p54_update_channel_param(struct p54_channel_list *list, - u16 freq, u16 data) -{ - int i; - struct p54_channel_entry *entry = NULL; - - /* - * usually all lists in the eeprom are mostly sorted. - * so it's very likely that the entry we are looking for - * is right at the end of the list - */ - for (i = list->entries; i >= 0; i--) { - if (freq == list->channels[i].freq) { - entry = &list->channels[i]; - break; - } - } - - if ((i < 0) && (list->entries < list->max_entries)) { - /* entry does not exist yet. Initialize a new one. */ - int band = p54_get_band_from_freq(freq); - - /* - * filter out frequencies which don't belong into - * any supported band. - */ - if (band >= 0) { - i = list->entries++; - list->band_channel_num[band]++; - - entry = &list->channels[i]; - entry->freq = freq; - entry->band = band; - entry->index = ieee80211_frequency_to_channel(freq); - entry->max_power = 0; - entry->data = 0; - } - } - - if (entry) - entry->data |= data; - - return entry; -} - -static int p54_get_maxpower(struct p54_common *priv, void *data) -{ - switch (priv->rxhw & PDR_SYNTH_FRONTEND_MASK) { - case PDR_SYNTH_FRONTEND_LONGBOW: { - struct pda_channel_output_limit_longbow *pda = data; - int j; - u16 rawpower = 0; - pda = data; - for (j = 0; j < ARRAY_SIZE(pda->point); j++) { - struct pda_channel_output_limit_point_longbow *point = - &pda->point[j]; - rawpower = max_t(u16, - rawpower, le16_to_cpu(point->val_qpsk)); - rawpower = max_t(u16, - rawpower, le16_to_cpu(point->val_bpsk)); - rawpower = max_t(u16, - rawpower, le16_to_cpu(point->val_16qam)); - rawpower = max_t(u16, - rawpower, le16_to_cpu(point->val_64qam)); - } - /* longbow seems to use 1/16 dBm units */ - return rawpower / 16; - } - - case PDR_SYNTH_FRONTEND_DUETTE3: - case PDR_SYNTH_FRONTEND_DUETTE2: - case PDR_SYNTH_FRONTEND_FRISBEE: - case PDR_SYNTH_FRONTEND_XBOW: { - struct pda_channel_output_limit *pda = data; - u8 rawpower = 0; - rawpower = max(rawpower, pda->val_qpsk); - rawpower = max(rawpower, pda->val_bpsk); - rawpower = max(rawpower, pda->val_16qam); - rawpower = max(rawpower, pda->val_64qam); - /* raw values are in 1/4 dBm units */ - return rawpower / 4; - } - - default: - return 20; - } -} - -static int p54_generate_channel_lists(struct ieee80211_hw *dev) -{ - struct p54_common *priv = dev->priv; - struct p54_channel_list *list; - unsigned int i, j, k, max_channel_num; - int ret = 0; - u16 freq; - - if ((priv->iq_autocal_len != priv->curve_data->entries) || - (priv->iq_autocal_len != priv->output_limit->entries)) - wiphy_err(dev->wiphy, - "Unsupported or damaged EEPROM detected. " - "You may not be able to use all channels.\n"); - - max_channel_num = max_t(unsigned int, priv->output_limit->entries, - priv->iq_autocal_len); - max_channel_num = max_t(unsigned int, max_channel_num, - priv->curve_data->entries); - - list = kzalloc(sizeof(*list), GFP_KERNEL); - if (!list) { - ret = -ENOMEM; - goto free; - } - priv->chan_num = max_channel_num; - priv->survey = kzalloc(sizeof(struct survey_info) * max_channel_num, - GFP_KERNEL); - if (!priv->survey) { - ret = -ENOMEM; - goto free; - } - - list->max_entries = max_channel_num; - list->channels = kzalloc(sizeof(struct p54_channel_entry) * - max_channel_num, GFP_KERNEL); - if (!list->channels) { - ret = -ENOMEM; - goto free; - } - - for (i = 0; i < max_channel_num; i++) { - if (i < priv->iq_autocal_len) { - freq = le16_to_cpu(priv->iq_autocal[i].freq); - p54_update_channel_param(list, freq, CHAN_HAS_CAL); - } - - if (i < priv->output_limit->entries) { - struct p54_channel_entry *tmp; - - void *data = (void *) ((unsigned long) i * - priv->output_limit->entry_size + - priv->output_limit->offset + - priv->output_limit->data); - - freq = le16_to_cpup((__le16 *) data); - tmp = p54_update_channel_param(list, freq, - CHAN_HAS_LIMIT); - if (tmp) { - tmp->max_power = p54_get_maxpower(priv, data); - } - } - - if (i < priv->curve_data->entries) { - freq = le16_to_cpup((__le16 *) (i * - priv->curve_data->entry_size + - priv->curve_data->offset + - priv->curve_data->data)); - - p54_update_channel_param(list, freq, CHAN_HAS_CURVE); - } - } - - /* sort the channel list by frequency */ - sort(list->channels, list->entries, sizeof(struct p54_channel_entry), - p54_compare_channels, NULL); - - k = 0; - for (i = 0, j = 0; i < IEEE80211_NUM_BANDS; i++) { - if (p54_generate_band(dev, list, &k, i) == 0) - j++; - } - if (j == 0) { - /* no useable band available. */ - ret = -EINVAL; - } - -free: - if (list) { - kfree(list->channels); - kfree(list); - } - if (ret) { - kfree(priv->survey); - priv->survey = NULL; - } - - return ret; -} - -static int p54_convert_rev0(struct ieee80211_hw *dev, - struct pda_pa_curve_data *curve_data) -{ - struct p54_common *priv = dev->priv; - struct p54_pa_curve_data_sample *dst; - struct pda_pa_curve_data_sample_rev0 *src; - size_t cd_len = sizeof(*curve_data) + - (curve_data->points_per_channel*sizeof(*dst) + 2) * - curve_data->channels; - unsigned int i, j; - void *source, *target; - - priv->curve_data = kmalloc(sizeof(*priv->curve_data) + cd_len, - GFP_KERNEL); - if (!priv->curve_data) - return -ENOMEM; - - priv->curve_data->entries = curve_data->channels; - priv->curve_data->entry_size = sizeof(__le16) + - sizeof(*dst) * curve_data->points_per_channel; - priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); - priv->curve_data->len = cd_len; - memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); - source = curve_data->data; - target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; - for (i = 0; i < curve_data->channels; i++) { - __le16 *freq = source; - source += sizeof(__le16); - *((__le16 *)target) = *freq; - target += sizeof(__le16); - for (j = 0; j < curve_data->points_per_channel; j++) { - dst = target; - src = source; - - dst->rf_power = src->rf_power; - dst->pa_detector = src->pa_detector; - dst->data_64qam = src->pcv; - /* "invent" the points for the other modulations */ -#define SUB(x, y) (u8)(((x) - (y)) > (x) ? 0 : (x) - (y)) - dst->data_16qam = SUB(src->pcv, 12); - dst->data_qpsk = SUB(dst->data_16qam, 12); - dst->data_bpsk = SUB(dst->data_qpsk, 12); - dst->data_barker = SUB(dst->data_bpsk, 14); -#undef SUB - target += sizeof(*dst); - source += sizeof(*src); - } - } - - return 0; -} - -static int p54_convert_rev1(struct ieee80211_hw *dev, - struct pda_pa_curve_data *curve_data) -{ - struct p54_common *priv = dev->priv; - struct p54_pa_curve_data_sample *dst; - struct pda_pa_curve_data_sample_rev1 *src; - size_t cd_len = sizeof(*curve_data) + - (curve_data->points_per_channel*sizeof(*dst) + 2) * - curve_data->channels; - unsigned int i, j; - void *source, *target; - - priv->curve_data = kzalloc(cd_len + sizeof(*priv->curve_data), - GFP_KERNEL); - if (!priv->curve_data) - return -ENOMEM; - - priv->curve_data->entries = curve_data->channels; - priv->curve_data->entry_size = sizeof(__le16) + - sizeof(*dst) * curve_data->points_per_channel; - priv->curve_data->offset = offsetof(struct pda_pa_curve_data, data); - priv->curve_data->len = cd_len; - memcpy(priv->curve_data->data, curve_data, sizeof(*curve_data)); - source = curve_data->data; - target = ((struct pda_pa_curve_data *) priv->curve_data->data)->data; - for (i = 0; i < curve_data->channels; i++) { - __le16 *freq = source; - source += sizeof(__le16); - *((__le16 *)target) = *freq; - target += sizeof(__le16); - for (j = 0; j < curve_data->points_per_channel; j++) { - memcpy(target, source, sizeof(*src)); - - target += sizeof(*dst); - source += sizeof(*src); - } - source++; - } - - return 0; -} - -static const char *p54_rf_chips[] = { "INVALID-0", "Duette3", "Duette2", - "Frisbee", "Xbow", "Longbow", "INVALID-6", "INVALID-7" }; - -static int p54_parse_rssical(struct ieee80211_hw *dev, - u8 *data, int len, u16 type) -{ - struct p54_common *priv = dev->priv; - struct p54_rssi_db_entry *entry; - size_t db_len, entries; - int offset = 0, i; - - if (type != PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED) { - entries = (type == PDR_RSSI_LINEAR_APPROXIMATION) ? 1 : 2; - if (len != sizeof(struct pda_rssi_cal_entry) * entries) { - wiphy_err(dev->wiphy, "rssical size mismatch.\n"); - goto err_data; - } - } else { - /* - * Some devices (Dell 1450 USB, Xbow 5GHz card, etc...) - * have an empty two byte header. - */ - if (*((__le16 *)&data[offset]) == cpu_to_le16(0)) - offset += 2; - - entries = (len - offset) / - sizeof(struct pda_rssi_cal_ext_entry); - - if (len < offset || - (len - offset) % sizeof(struct pda_rssi_cal_ext_entry) || - entries == 0) { - wiphy_err(dev->wiphy, "invalid rssi database.\n"); - goto err_data; - } - } - - db_len = sizeof(*entry) * entries; - priv->rssi_db = kzalloc(db_len + sizeof(*priv->rssi_db), GFP_KERNEL); - if (!priv->rssi_db) - return -ENOMEM; - - priv->rssi_db->offset = 0; - priv->rssi_db->entries = entries; - priv->rssi_db->entry_size = sizeof(*entry); - priv->rssi_db->len = db_len; - - entry = (void *)((unsigned long)priv->rssi_db->data + priv->rssi_db->offset); - if (type == PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED) { - struct pda_rssi_cal_ext_entry *cal = (void *) &data[offset]; - - for (i = 0; i < entries; i++) { - entry[i].freq = le16_to_cpu(cal[i].freq); - entry[i].mul = (s16) le16_to_cpu(cal[i].mul); - entry[i].add = (s16) le16_to_cpu(cal[i].add); - } - } else { - struct pda_rssi_cal_entry *cal = (void *) &data[offset]; - - for (i = 0; i < entries; i++) { - u16 freq = 0; - switch (i) { - case IEEE80211_BAND_2GHZ: - freq = 2437; - break; - case IEEE80211_BAND_5GHZ: - freq = 5240; - break; - } - - entry[i].freq = freq; - entry[i].mul = (s16) le16_to_cpu(cal[i].mul); - entry[i].add = (s16) le16_to_cpu(cal[i].add); - } - } - - /* sort the list by channel frequency */ - sort(entry, entries, sizeof(*entry), p54_compare_rssichan, NULL); - return 0; - -err_data: - wiphy_err(dev->wiphy, - "rssi calibration data packing type:(%x) len:%d.\n", - type, len); - - print_hex_dump_bytes("rssical:", DUMP_PREFIX_NONE, data, len); - - wiphy_err(dev->wiphy, "please report this issue.\n"); - return -EINVAL; -} - -struct p54_rssi_db_entry *p54_rssi_find(struct p54_common *priv, const u16 freq) -{ - struct p54_rssi_db_entry *entry; - int i, found = -1; - - if (!priv->rssi_db) - return &p54_rssi_default; - - entry = (void *)(priv->rssi_db->data + priv->rssi_db->offset); - for (i = 0; i < priv->rssi_db->entries; i++) { - if (!same_band(freq, entry[i].freq)) - continue; - - if (found == -1) { - found = i; - continue; - } - - /* nearest match */ - if (abs(freq - entry[i].freq) < - abs(freq - entry[found].freq)) { - found = i; - continue; - } else { - break; - } - } - - return found < 0 ? &p54_rssi_default : &entry[found]; -} - -static void p54_parse_default_country(struct ieee80211_hw *dev, - void *data, int len) -{ - struct pda_country *country; - - if (len != sizeof(*country)) { - wiphy_err(dev->wiphy, - "found possible invalid default country eeprom entry. (entry size: %d)\n", - len); - - print_hex_dump_bytes("country:", DUMP_PREFIX_NONE, - data, len); - - wiphy_err(dev->wiphy, "please report this issue.\n"); - return; - } - - country = (struct pda_country *) data; - if (country->flags == PDR_COUNTRY_CERT_CODE_PSEUDO) - regulatory_hint(dev->wiphy, country->alpha2); - else { - /* TODO: - * write a shared/common function that converts - * "Regulatory domain codes" (802.11-2007 14.8.2.2) - * into ISO/IEC 3166-1 alpha2 for regulatory_hint. - */ - } -} - -static int p54_convert_output_limits(struct ieee80211_hw *dev, - u8 *data, size_t len) -{ - struct p54_common *priv = dev->priv; - - if (len < 2) - return -EINVAL; - - if (data[0] != 0) { - wiphy_err(dev->wiphy, "unknown output power db revision:%x\n", - data[0]); - return -EINVAL; - } - - if (2 + data[1] * sizeof(struct pda_channel_output_limit) > len) - return -EINVAL; - - priv->output_limit = kmalloc(data[1] * - sizeof(struct pda_channel_output_limit) + - sizeof(*priv->output_limit), GFP_KERNEL); - - if (!priv->output_limit) - return -ENOMEM; - - priv->output_limit->offset = 0; - priv->output_limit->entries = data[1]; - priv->output_limit->entry_size = - sizeof(struct pda_channel_output_limit); - priv->output_limit->len = priv->output_limit->entry_size * - priv->output_limit->entries + - priv->output_limit->offset; - - memcpy(priv->output_limit->data, &data[2], - data[1] * sizeof(struct pda_channel_output_limit)); - - return 0; -} - -static struct p54_cal_database *p54_convert_db(struct pda_custom_wrapper *src, - size_t total_len) -{ - struct p54_cal_database *dst; - size_t payload_len, entries, entry_size, offset; - - payload_len = le16_to_cpu(src->len); - entries = le16_to_cpu(src->entries); - entry_size = le16_to_cpu(src->entry_size); - offset = le16_to_cpu(src->offset); - if (((entries * entry_size + offset) != payload_len) || - (payload_len + sizeof(*src) != total_len)) - return NULL; - - dst = kmalloc(sizeof(*dst) + payload_len, GFP_KERNEL); - if (!dst) - return NULL; - - dst->entries = entries; - dst->entry_size = entry_size; - dst->offset = offset; - dst->len = payload_len; - - memcpy(dst->data, src->data, payload_len); - return dst; -} - -int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) -{ - struct p54_common *priv = dev->priv; - struct eeprom_pda_wrap *wrap; - struct pda_entry *entry; - unsigned int data_len, entry_len; - void *tmp; - int err; - u8 *end = (u8 *)eeprom + len; - u16 synth = 0; - u16 crc16 = ~0; - - wrap = (struct eeprom_pda_wrap *) eeprom; - entry = (void *)wrap->data + le16_to_cpu(wrap->len); - - /* verify that at least the entry length/code fits */ - while ((u8 *)entry <= end - sizeof(*entry)) { - entry_len = le16_to_cpu(entry->len); - data_len = ((entry_len - 1) << 1); - - /* abort if entry exceeds whole structure */ - if ((u8 *)entry + sizeof(*entry) + data_len > end) - break; - - switch (le16_to_cpu(entry->code)) { - case PDR_MAC_ADDRESS: - if (data_len != ETH_ALEN) - break; - SET_IEEE80211_PERM_ADDR(dev, entry->data); - break; - case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS: - if (priv->output_limit) - break; - err = p54_convert_output_limits(dev, entry->data, - data_len); - if (err) - goto err; - break; - case PDR_PRISM_PA_CAL_CURVE_DATA: { - struct pda_pa_curve_data *curve_data = - (struct pda_pa_curve_data *)entry->data; - if (data_len < sizeof(*curve_data)) { - err = -EINVAL; - goto err; - } - - switch (curve_data->cal_method_rev) { - case 0: - err = p54_convert_rev0(dev, curve_data); - break; - case 1: - err = p54_convert_rev1(dev, curve_data); - break; - default: - wiphy_err(dev->wiphy, - "unknown curve data revision %d\n", - curve_data->cal_method_rev); - err = -ENODEV; - break; - } - if (err) - goto err; - } - break; - case PDR_PRISM_ZIF_TX_IQ_CALIBRATION: - priv->iq_autocal = kmemdup(entry->data, data_len, - GFP_KERNEL); - if (!priv->iq_autocal) { - err = -ENOMEM; - goto err; - } - - priv->iq_autocal_len = data_len / sizeof(struct pda_iq_autocal_entry); - break; - case PDR_DEFAULT_COUNTRY: - p54_parse_default_country(dev, entry->data, data_len); - break; - case PDR_INTERFACE_LIST: - tmp = entry->data; - while ((u8 *)tmp < entry->data + data_len) { - struct exp_if *exp_if = tmp; - if (exp_if->if_id == cpu_to_le16(IF_ID_ISL39000)) - synth = le16_to_cpu(exp_if->variant); - tmp += sizeof(*exp_if); - } - break; - case PDR_HARDWARE_PLATFORM_COMPONENT_ID: - if (data_len < 2) - break; - priv->version = *(u8 *)(entry->data + 1); - break; - case PDR_RSSI_LINEAR_APPROXIMATION: - case PDR_RSSI_LINEAR_APPROXIMATION_DUAL_BAND: - case PDR_RSSI_LINEAR_APPROXIMATION_EXTENDED: - err = p54_parse_rssical(dev, entry->data, data_len, - le16_to_cpu(entry->code)); - if (err) - goto err; - break; - case PDR_RSSI_LINEAR_APPROXIMATION_CUSTOMV2: { - struct pda_custom_wrapper *pda = (void *) entry->data; - __le16 *src; - u16 *dst; - int i; - - if (priv->rssi_db || data_len < sizeof(*pda)) - break; - - priv->rssi_db = p54_convert_db(pda, data_len); - if (!priv->rssi_db) - break; - - src = (void *) priv->rssi_db->data; - dst = (void *) priv->rssi_db->data; - - for (i = 0; i < priv->rssi_db->entries; i++) - *(dst++) = (s16) le16_to_cpu(*(src++)); - - } - break; - case PDR_PRISM_PA_CAL_OUTPUT_POWER_LIMITS_CUSTOM: { - struct pda_custom_wrapper *pda = (void *) entry->data; - if (priv->output_limit || data_len < sizeof(*pda)) - break; - priv->output_limit = p54_convert_db(pda, data_len); - } - break; - case PDR_PRISM_PA_CAL_CURVE_DATA_CUSTOM: { - struct pda_custom_wrapper *pda = (void *) entry->data; - if (priv->curve_data || data_len < sizeof(*pda)) - break; - priv->curve_data = p54_convert_db(pda, data_len); - } - break; - case PDR_END: - crc16 = ~crc_ccitt(crc16, (u8 *) entry, sizeof(*entry)); - if (crc16 != le16_to_cpup((__le16 *)entry->data)) { - wiphy_err(dev->wiphy, "eeprom failed checksum " - "test!\n"); - err = -ENOMSG; - goto err; - } else { - goto good_eeprom; - } - break; - default: - break; - } - - crc16 = crc_ccitt(crc16, (u8 *)entry, (entry_len + 1) * 2); - entry = (void *)entry + (entry_len + 1) * 2; - } - - wiphy_err(dev->wiphy, "unexpected end of eeprom data.\n"); - err = -ENODATA; - goto err; - -good_eeprom: - if (!synth || !priv->iq_autocal || !priv->output_limit || - !priv->curve_data) { - wiphy_err(dev->wiphy, - "not all required entries found in eeprom!\n"); - err = -EINVAL; - goto err; - } - - priv->rxhw = synth & PDR_SYNTH_FRONTEND_MASK; - - err = p54_generate_channel_lists(dev); - if (err) - goto err; - - if (priv->rxhw == PDR_SYNTH_FRONTEND_XBOW) - p54_init_xbow_synth(priv); - if (!(synth & PDR_SYNTH_24_GHZ_DISABLED)) - dev->wiphy->bands[IEEE80211_BAND_2GHZ] = - priv->band_table[IEEE80211_BAND_2GHZ]; - if (!(synth & PDR_SYNTH_5_GHZ_DISABLED)) - dev->wiphy->bands[IEEE80211_BAND_5GHZ] = - priv->band_table[IEEE80211_BAND_5GHZ]; - if ((synth & PDR_SYNTH_RX_DIV_MASK) == PDR_SYNTH_RX_DIV_SUPPORTED) - priv->rx_diversity_mask = 3; - if ((synth & PDR_SYNTH_TX_DIV_MASK) == PDR_SYNTH_TX_DIV_SUPPORTED) - priv->tx_diversity_mask = 3; - - if (!is_valid_ether_addr(dev->wiphy->perm_addr)) { - u8 perm_addr[ETH_ALEN]; - - wiphy_warn(dev->wiphy, - "Invalid hwaddr! Using randomly generated MAC addr\n"); - eth_random_addr(per |