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/*
* Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include "mt76x2.h"
static const struct pci_device_id mt76pci_device_table[] = {
{ PCI_DEVICE(0x14c3, 0x7662) },
{ PCI_DEVICE(0x14c3, 0x7612) },
{ PCI_DEVICE(0x14c3, 0x7602) },
{ },
};
static int
mt76pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
static const struct mt76_driver_ops drv_ops = {
.txwi_size = sizeof(struct mt76x02_txwi),
.tx_aligned4_skbs = true,
.update_survey = mt76x02_update_channel,
.tx_prepare_skb = mt76x02_tx_prepare_skb,
.tx_complete_skb = mt76x02_tx_complete_skb,
.rx_skb = mt76x02_queue_rx_skb,
.rx_poll_complete = mt76x02_rx_poll_complete,
.sta_ps = mt76x02_sta_ps,
.sta_add = mt76x02_sta_add,
.sta_remove = mt76x02_sta_remove,
};
struct mt76x02_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), &mt76x2_ops,
&drv_ops);
if (!mdev)
return -ENOMEM;
dev = container_of(mdev, struct mt76x02_dev, mt76);
mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]);
mt76x2_reset_wlan(dev, false);
mdev->rev = mt76_rr(dev, MT_ASIC_VERSION);
dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev);
ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler,
IRQF_SHARED, KBUILD_MODNAME, dev);
if (ret)
goto error;
ret = mt76x2_register_device(dev);
if (ret)
goto error;
/* Fix up ASPM configuration */
/* RG_SSUSB_G1_CDR_BIR_LTR = 0x9 */
mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);
/* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
/* RG_SSUSB_CDR_BR_PE1D = 0x3 */
mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);
return 0;
error:
ieee80211_free_hw(mt76_hw(dev));
return ret;
}
static void
mt76pci_remove(struct pci_dev *pdev)
{
struct mt76_dev *mdev = pci_get_drvdata(pdev);
struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
mt76_unregister_device(mdev);
mt76x2_cleanup(dev);
mt76_free_device(mdev);
}
MODULE_DEVICE_TABLE(pci, mt76pci_device_table);
MODULE_FIRMWARE(MT7662_FIRMWARE);
MODULE_FIRMWARE(MT7662_ROM_PATCH);
MODULE_LICENSE("Dual BSD/GPL");
static struct pci_driver mt76pci_driver = {
.name = KBUILD_MODNAME,
.id_table = mt76pci_device_table,
.probe = mt76pci_probe,
.remove = mt76pci_remove,
};
module_pci_driver(mt76pci_driver);
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