linux-zen-server/drivers/net/wireless/mediatek/mt76/mt7603/pci.c

84 lines
1.7 KiB
C

// SPDX-License-Identifier: ISC
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include "mt7603.h"
static const struct pci_device_id mt76pci_device_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7603) },
{ },
};
static int
mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct mt7603_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 = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret)
return ret;
mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
&mt7603_drv_ops);
if (!mdev)
return -ENOMEM;
dev = container_of(mdev, struct mt7603_dev, mt76);
mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]);
mdev->rev = (mt76_rr(dev, MT_HW_CHIPID) << 16) |
(mt76_rr(dev, MT_HW_REV) & 0xff);
dev_info(mdev->dev, "ASIC revision: %04x\n", mdev->rev);
mt76_wr(dev, MT_INT_MASK_CSR, 0);
ret = devm_request_irq(mdev->dev, pdev->irq, mt7603_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (ret)
goto error;
ret = mt7603_register_device(dev);
if (ret)
goto error;
return 0;
error:
mt76_free_device(&dev->mt76);
return ret;
}
static void
mt76pci_remove(struct pci_dev *pdev)
{
struct mt76_dev *mdev = pci_get_drvdata(pdev);
struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
mt7603_unregister_device(dev);
}
MODULE_DEVICE_TABLE(pci, mt76pci_device_table);
MODULE_FIRMWARE(MT7603_FIRMWARE_E1);
MODULE_FIRMWARE(MT7603_FIRMWARE_E2);
struct pci_driver mt7603_pci_driver = {
.name = KBUILD_MODNAME,
.id_table = mt76pci_device_table,
.probe = mt76pci_probe,
.remove = mt76pci_remove,
};