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// SPDX-License-Identifier: ISC
/* Copyright (C) 2019 MediaTek Inc.
*
* Author: Ryder Lee <ryder.lee@mediatek.com>
* Felix Fietkau <nbd@nbd.name>
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include "mt7615.h"
#include "mac.h"
static const struct pci_device_id mt7615_pci_device_table[] = {
{ PCI_DEVICE(0x14c3, 0x7615) },
{ },
};
u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr)
{
u32 base = addr & MT_MCU_PCIE_REMAP_2_BASE;
u32 offset = addr & MT_MCU_PCIE_REMAP_2_OFFSET;
mt76_wr(dev, MT_MCU_PCIE_REMAP_2, base);
return MT_PCIE_REMAP_BASE_2 + offset;
}
void mt7615_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q)
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
mt7615_irq_enable(dev, MT_INT_RX_DONE(q));
}
irqreturn_t mt7615_irq_handler(int irq, void *dev_instance)
{
struct mt7615_dev *dev = dev_instance;
u32 intr;
intr = mt76_rr(dev, MT_INT_SOURCE_CSR);
mt76_wr(dev, MT_INT_SOURCE_CSR, intr);
if (!test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state))
return IRQ_NONE;
intr &= dev->mt76.mmio.irqmask;
if (intr & MT_INT_TX_DONE_ALL) {
mt7615_irq_disable(dev, MT_INT_TX_DONE_ALL);
tasklet_schedule(&dev->mt76.tx_tasklet);
}
if (intr & MT_INT_RX_DONE(0)) {
mt7615_irq_disable(dev, MT_INT_RX_DONE(0));
napi_schedule(&dev->mt76.napi[0]);
}
if (intr & MT_INT_RX_DONE(1)) {
mt7615_irq_disable(dev, MT_INT_RX_DONE(1));
napi_schedule(&dev->mt76.napi[1]);
}
return IRQ_HANDLED;
}
static int mt7615_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *id)
{
static const struct mt76_driver_ops drv_ops = {
/* txwi_size = txd size + txp size */
.txwi_size = MT_TXD_SIZE + sizeof(struct mt7615_txp),
.txwi_flags = MT_TXWI_NO_FREE,
.tx_prepare_skb = mt7615_tx_prepare_skb,
.tx_complete_skb = mt7615_tx_complete_skb,
.rx_skb = mt7615_queue_rx_skb,
.rx_poll_complete = mt7615_rx_poll_complete,
.sta_ps = mt7615_sta_ps,
.sta_add = mt7615_sta_add,
.sta_assoc = mt7615_sta_assoc,
.sta_remove = mt7615_sta_remove,
};
struct mt7615_dev *dev;
struct mt76_dev *mdev;
int ret;
ret = pcim_enable_device(pdev);
if (ret)
return ret;
ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
if (ret)
return ret;
pci_set_master(pdev);
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret)
return ret;
mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7615_ops,
&drv_ops);
if (!mdev)
return -ENOMEM;
dev = container_of(mdev, struct mt7615_dev, mt76);
mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
(mt76_rr(dev, MT_HW_REV) & 0xff);
dev_dbg(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
ret = devm_request_irq(mdev->dev, pdev->irq, mt7615_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (ret)
goto error;
ret = mt7615_register_device(dev);
if (ret)
goto error;
return 0;
error:
ieee80211_free_hw(mt76_hw(dev));
return ret;
}
static void mt7615_pci_remove(struct pci_dev *pdev)
{
struct mt76_dev *mdev = pci_get_drvdata(pdev);
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
mt7615_unregister_device(dev);
}
struct pci_driver mt7615_pci_driver = {
.name = KBUILD_MODNAME,
.id_table = mt7615_pci_device_table,
.probe = mt7615_pci_probe,
.remove = mt7615_pci_remove,
};
module_pci_driver(mt7615_pci_driver);
MODULE_DEVICE_TABLE(pci, mt7615_pci_device_table);
MODULE_FIRMWARE(MT7615_FIRMWARE_CR4);
MODULE_FIRMWARE(MT7615_FIRMWARE_N9);
MODULE_FIRMWARE(MT7615_ROM_PATCH);
MODULE_LICENSE("Dual BSD/GPL");
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