diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c new file mode 100644 index 000000000..0680e002b --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_init.c @@ -0,0 +1,128 @@ +// 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_pci_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_init_work(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_pci_init_work); + ret = mt7615_eeprom_init(dev, addr); + if (ret < 0) + return ret; + + if (is_mt7663(&dev->mt76)) { + /* Reset RGU */ + mt76_clear(dev, MT_MCU_CIRQ_IRQ_SEL(4), BIT(1)); + mt76_set(dev, MT_MCU_CIRQ_IRQ_SEL(4), BIT(1)); + } + + 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; +} + +int mt7615_register_device(struct mt7615_dev *dev) +{ + int ret; + + mt7615_init_device(dev); + INIT_WORK(&dev->reset_work, mt7615_mac_reset_work); + + /* init led callbacks */ + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + dev->mphy.leds.cdev.brightness_set = mt7615_led_set_brightness; + dev->mphy.leds.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, mt76_rates, + ARRAY_SIZE(mt76_rates)); + if (ret) + return ret; + + ret = mt7615_thermal_init(dev); + 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); + + if (dev->dbdc_support) { + ret = mt7615_register_ext_phy(dev); + if (ret) + return ret; + } + + return mt7615_init_debugfs(dev); +} + +void mt7615_unregister_device(struct mt7615_dev *dev) +{ + bool mcu_running; + + 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_tx_token_put(dev); + mt7615_dma_cleanup(dev); + tasklet_disable(&dev->irq_tasklet); + + mt76_free_device(&dev->mt76); +} |