linux-zen-server/drivers/net/wireless/mediatek/mt76/mt76x2/mcu.c

109 lines
2.4 KiB
C

// SPDX-License-Identifier: ISC
/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
* Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
*/
#include <linux/kernel.h>
#include <linux/firmware.h>
#include <linux/delay.h>
#include "mt76x2.h"
#include "mcu.h"
#include "eeprom.h"
int mt76x2_mcu_set_channel(struct mt76x02_dev *dev, u8 channel, u8 bw,
u8 bw_index, bool scan)
{
struct {
u8 idx;
u8 scan;
u8 bw;
u8 _pad0;
__le16 chainmask;
u8 ext_chan;
u8 _pad1;
} __packed __aligned(4) msg = {
.idx = channel,
.scan = scan,
.bw = bw,
.chainmask = cpu_to_le16(dev->mphy.chainmask),
};
/* first set the channel without the extension channel info */
mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg,
sizeof(msg), true);
usleep_range(5000, 10000);
msg.ext_chan = 0xe0 + bw_index;
return mt76_mcu_send_msg(&dev->mt76, CMD_SWITCH_CHANNEL_OP, &msg,
sizeof(msg), true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_set_channel);
int mt76x2_mcu_load_cr(struct mt76x02_dev *dev, u8 type, u8 temp_level,
u8 channel)
{
struct {
u8 cr_mode;
u8 temp;
u8 ch;
u8 _pad0;
__le32 cfg;
} __packed __aligned(4) msg = {
.cr_mode = type,
.temp = temp_level,
.ch = channel,
};
u32 val;
val = BIT(31);
val |= (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff;
val |= (mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00;
msg.cfg = cpu_to_le32(val);
/* first set the channel without the extension channel info */
return mt76_mcu_send_msg(&dev->mt76, CMD_LOAD_CR, &msg, sizeof(msg),
true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_load_cr);
int mt76x2_mcu_init_gain(struct mt76x02_dev *dev, u8 channel, u32 gain,
bool force)
{
struct {
__le32 channel;
__le32 gain_val;
} __packed __aligned(4) msg = {
.channel = cpu_to_le32(channel),
.gain_val = cpu_to_le32(gain),
};
if (force)
msg.channel |= cpu_to_le32(BIT(31));
return mt76_mcu_send_msg(&dev->mt76, CMD_INIT_GAIN_OP, &msg,
sizeof(msg), true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_init_gain);
int mt76x2_mcu_tssi_comp(struct mt76x02_dev *dev,
struct mt76x2_tssi_comp *tssi_data)
{
struct {
__le32 id;
struct mt76x2_tssi_comp data;
} __packed __aligned(4) msg = {
.id = cpu_to_le32(MCU_CAL_TSSI_COMP),
.data = *tssi_data,
};
return mt76_mcu_send_msg(&dev->mt76, CMD_CALIBRATION_OP, &msg,
sizeof(msg), true);
}
EXPORT_SYMBOL_GPL(mt76x2_mcu_tssi_comp);