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// SPDX-License-Identifier: ISC
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Roy Luo <royluo@google.com>
* Ryder Lee <ryder.lee@mediatek.com>
* Felix Fietkau <nbd@nbd.name>
* Lorenzo Bianconi <lorenzo@kernel.org>
*/
#include <linux/etherdevice.h>
#include "mt7615.h"
#include "mac.h"
#include "eeprom.h"
static void mt7615_init_work(struct work_struct *work)
{
struct mt7615_dev *dev = container_of(work, struct mt7615_dev,
mcu_work);
int i, ret;
ret = mt7615_mcu_init(dev);
for (i = 0; (ret == -EAGAIN) && (i < 10); i++) {
msleep(200);
ret = mt7615_mcu_init(dev);
}
if (ret)
return;
mt7615_mcu_set_eeprom(dev);
mt7615_mac_init(dev);
mt7615_phy_init(dev);
mt7615_mcu_del_wtbl_all(dev);
mt7615_check_offload_capability(dev);
if (dev->dbdc_support)
mt7615_register_ext_phy(dev);
}
static int mt7615_init_hardware(struct mt7615_dev *dev)
{
u32 addr = mt7615_reg_map(dev, MT_EFUSE_BASE);
int ret, idx;
mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
INIT_WORK(&dev->mcu_work, mt7615_init_work);
spin_lock_init(&dev->token_lock);
idr_init(&dev->token);
ret = mt7615_eeprom_init(dev, addr);
if (ret < 0)
return ret;
ret = mt7615_dma_init(dev);
if (ret)
return ret;
set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state);
/* Beacon and mgmt frames should occupy wcid 0 */
idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7615_WTBL_STA - 1);
if (idx)
return -ENOSPC;
dev->mt76.global_wcid.idx = idx;
dev->mt76.global_wcid.hw_key_idx = -1;
rcu_assign_pointer(dev->mt76.wcid[idx], &dev->mt76.global_wcid);
return 0;
}
static void
mt7615_led_set_config(struct led_classdev *led_cdev,
u8 delay_on, u8 delay_off)
{
struct mt7615_dev *dev;
struct mt76_dev *mt76;
u32 val, addr;
mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);
dev = container_of(mt76, struct mt7615_dev, mt76);
if (test_bit(MT76_STATE_PM, &mt76->phy.state))
return;
val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
FIELD_PREP(MT_LED_STATUS_ON, delay_on);
addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));
mt76_wr(dev, addr, val);
addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));
mt76_wr(dev, addr, val);
val = MT_LED_CTRL_REPLAY(mt76->led_pin) |
MT_LED_CTRL_KICK(mt76->led_pin);
if (mt76->led_al)
val |= MT_LED_CTRL_POLARITY(mt76->led_pin);
addr = mt7615_reg_map(dev, MT_LED_CTRL);
mt76_wr(dev, addr, val);
}
static int
mt7615_led_set_blink(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off)
{
u8 delta_on, delta_off;
delta_off = max_t(u8, *delay_off / 10, 1);
delta_on = max_t(u8, *delay_on / 10, 1);
mt7615_led_set_config(led_cdev, delta_on, delta_off);
return 0;
}
static void
mt7615_led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
if (!brightness)
mt7615_led_set_config(led_cdev, 0, 0xff);
else
mt7615_led_set_config(led_cdev, 0xff, 0);
}
int mt7615_register_device(struct mt7615_dev *dev)
{
int ret;
mt7615_init_device(dev);
/* init led callbacks */
if (IS_ENABLED(CONFIG_MT76_LEDS)) {
dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness;
dev->mt76.led_cdev.blink_set = mt7615_led_set_blink;
}
ret = mt7622_wmac_init(dev);
if (ret)
return ret;
ret = mt7615_init_hardware(dev);
if (ret)
return ret;
ret = mt76_register_device(&dev->mt76, true, mt7615_rates,
ARRAY_SIZE(mt7615_rates));
if (ret)
return ret;
ieee80211_queue_work(mt76_hw(dev), &dev->mcu_work);
mt7615_init_txpower(dev, &dev->mphy.sband_2g.sband);
mt7615_init_txpower(dev, &dev->mphy.sband_5g.sband);
return mt7615_init_debugfs(dev);
}
void mt7615_unregister_device(struct mt7615_dev *dev)
{
struct mt76_txwi_cache *txwi;
bool mcu_running;
int id;
mcu_running = mt7615_wait_for_mcu_init(dev);
mt7615_unregister_ext_phy(dev);
mt76_unregister_device(&dev->mt76);
if (mcu_running)
mt7615_mcu_exit(dev);
mt7615_dma_cleanup(dev);
spin_lock_bh(&dev->token_lock);
idr_for_each_entry(&dev->token, txwi, id) {
mt7615_txp_skb_unmap(&dev->mt76, txwi);
if (txwi->skb)
dev_kfree_skb_any(txwi->skb);
mt76_put_txwi(&dev->mt76, txwi);
}
spin_unlock_bh(&dev->token_lock);
idr_destroy(&dev->token);
tasklet_disable(&dev->irq_tasklet);
mt76_free_device(&dev->mt76);
}
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