/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/of.h>
#include "mt76.h"
#define CHAN2G(_idx, _freq) { \
.band = NL80211_BAND_2GHZ, \
.center_freq = (_freq), \
.hw_value = (_idx), \
.max_power = 30, \
}
#define CHAN5G(_idx, _freq) { \
.band = NL80211_BAND_5GHZ, \
.center_freq = (_freq), \
.hw_value = (_idx), \
.max_power = 30, \
}
static const struct ieee80211_channel mt76_channels_2ghz[] = {
CHAN2G(1, 2412),
CHAN2G(2, 2417),
CHAN2G(3, 2422),
CHAN2G(4, 2427),
CHAN2G(5, 2432),
CHAN2G(6, 2437),
CHAN2G(7, 2442),
CHAN2G(8, 2447),
CHAN2G(9, 2452),
CHAN2G(10, 2457),
CHAN2G(11, 2462),
CHAN2G(12, 2467),
CHAN2G(13, 2472),
CHAN2G(14, 2484),
};
static const struct ieee80211_channel mt76_channels_5ghz[] = {
CHAN5G(36, 5180),
CHAN5G(40, 5200),
CHAN5G(44, 5220),
CHAN5G(48, 5240),
CHAN5G(52, 5260),
CHAN5G(56, 5280),
CHAN5G(60, 5300),
CHAN5G(64, 5320),
CHAN5G(100, 5500),
CHAN5G(104, 5520),
CHAN5G(108, 5540),
CHAN5G(112, 5560),
CHAN5G(116, 5580),
CHAN5G(120, 5600),
CHAN5G(124, 5620),
CHAN5G(128, 5640),
CHAN5G(132, 5660),
CHAN5G(136, 5680),
CHAN5G(140, 5700),
CHAN5G(149, 5745),
CHAN5G(153, 5765),
CHAN5G(157, 5785),
CHAN5G(161, 5805),
CHAN5G(165, 5825),
};
static const struct ieee80211_tpt_blink mt76_tpt_blink[] = {
{ .throughput = 0 * 1024, .blink_time = 334 },
{ .throughput = 1 * 1024, .blink_time = 260 },
{ .throughput = 5 * 1024, .blink_time = 220 },
{ .throughput = 10 * 1024, .blink_time = 190 },
{ .throughput = 20 * 1024, .blink_time = 170 },
{ .throughput = 50 * 1024, .blink_time = 150 },
{ .throughput = 70 * 1024, .blink_time = 130 },
{ .throughput = 100 * 1024, .blink_time = 110 },
{ .throughput = 200 * 1024, .blink_time = 80 },
{ .throughput = 300 * 1024, .blink_time = 50 },
};
static int mt76_led_init(struct mt76_dev *dev)
{
struct device_node *np = dev->dev->of_node;
struct ieee80211_hw *hw = dev->hw;
int led_pin;
if (!dev->led_cdev.brightness_set && !dev->led_cdev.blink_set)
return 0;
snprintf(dev->led_name, sizeof(dev->led_name),
"mt76-%s", wiphy_name(hw->wiphy));
dev->led_cdev.name = dev->led_name;
dev->led_cdev.default_trigger =
ieee80211_create_tpt_led_trigger(hw,
IEEE80211_TPT_LEDTRIG_FL_RADIO,
mt76_tpt_blink,
ARRAY_SIZE(mt76_tpt_blink));
np = of_get_child_by_name(np, "led");
if (np) {
if (!of_property_read_u32(np, "led-sources", &led_pin))
dev->led_pin = led_pin;
dev->led_al = of_property_read_bool(np, "led-active-low");
}
return devm_led_classdev_register(dev->dev, &dev->led_cdev);
}
static void mt76_init_stream_cap(struct mt76_dev *dev,
struct ieee80211_supported_band *sband,
bool vht)
{
struct ieee80211_sta_ht_cap *ht_cap = &sband->ht_cap;
int i, nstream = hweight8(dev->antenna_mask);
struct ieee80211_sta_vht_cap *vht_cap;
u16 mcs_map = 0;
if (nstream > 1)
ht_cap->cap |= IEEE80211_HT_CAP_TX_STBC;
else
ht_cap->cap &= ~IEEE80211_HT_CAP_TX_STBC;
for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
ht_cap->mcs.rx_mask[i] = i < nstream ? 0xff : 0