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path: root/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2_pci.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x2_pci.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c
new file mode 100644
index 000000000000..e66f047ea448
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2_pci.c
@@ -0,0 +1,110 @@
+/*
+ * 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"
+#include "mt76x2_trace.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)
+{
+ struct mt76x2_dev *dev;
+ 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;
+
+ dev = mt76x2_alloc_device(&pdev->dev);
+ if (!dev)
+ return -ENOMEM;
+
+ mt76_mmio_init(&dev->mt76, pcim_iomap_table(pdev)[0]);
+
+ dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION);
+ dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev);
+
+ ret = devm_request_irq(dev->mt76.dev, pdev->irq, mt76x2_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 mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76);
+
+ mt76_unregister_device(mdev);
+ mt76x2_cleanup(dev);
+ ieee80211_free_hw(mdev->hw);
+}
+
+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);