--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Mucse network device configuration
+#
+
+config NET_VENDOR_MUCSE
+ bool "Mucse devices"
+ default y
+ help
+ If you have a network (Ethernet) card from Mucse(R), say Y.
+
+ Note that the answer to this question doesn't directly affect the
+ kernel: saying N will just cause the configurator to skip all
+ the questions about Mucse(R) cards. If you say Y, you will
+ be asked for your specific card in the following questions.
+
+if NET_VENDOR_MUCSE
+
+config MGBE
+ tristate "Mucse(R) 1GbE PCI Express adapters support"
+ depends on PCI
+ help
+ This driver supports Mucse(R) 1GbE PCI Express family of
+ adapters.
+
+ More specific information on configuring the driver is in
+ <file:Documentation/networking/device_drivers/ethernet/mucse/rnpgbe.rst>.
+
+ To compile this driver as a module, choose M here. The module
+ will be called rnpgbe.
+
+endif # NET_VENDOR_MUCSE
+
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2020 - 2025 Mucse Corporation. */
+
+#include <linux/pci.h>
+
+#include "rnpgbe.h"
+
+static const char rnpgbe_driver_name[] = "rnpgbe";
+
+/* rnpgbe_pci_tbl - PCI Device ID Table
+ *
+ * { PCI_VDEVICE(Vendor ID, Device ID),
+ * private_data (used for different hw chip) }
+ */
+static struct pci_device_id rnpgbe_pci_tbl[] = {
+ { PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N210), board_n210 },
+ { PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N210L), board_n210 },
+ { PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N500_DUAL_PORT), board_n500 },
+ { PCI_VDEVICE(MUCSE, RNPGBE_DEVICE_ID_N500_QUAD_PORT), board_n500 },
+ /* required last entry */
+ {0, },
+};
+
+/**
+ * rnpgbe_probe - Device initialization routine
+ * @pdev: PCI device information struct
+ * @id: entry in rnpgbe_pci_tbl
+ *
+ * rnpgbe_probe initializes a PF adapter identified by a pci_dev
+ * structure.
+ *
+ * Return: 0 on success, negative errno on failure
+ **/
+static int rnpgbe_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ int err;
+
+ err = pci_enable_device_mem(pdev);
+ if (err)
+ return err;
+
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(56));
+ if (err) {
+ dev_err(&pdev->dev,
+ "No usable DMA configuration, aborting %d\n", err);
+ goto err_disable_dev;
+ }
+
+ err = pci_request_mem_regions(pdev, rnpgbe_driver_name);
+ if (err) {
+ dev_err(&pdev->dev,
+ "pci_request_selected_regions failed %d\n", err);
+ goto err_disable_dev;
+ }
+
+ pci_set_master(pdev);
+ err = pci_save_state(pdev);
+ if (err) {
+ dev_err(&pdev->dev, "pci_save_state failed %d\n", err);
+ goto err_free_regions;
+ }
+
+ return 0;
+err_free_regions:
+ pci_release_mem_regions(pdev);
+err_disable_dev:
+ pci_disable_device(pdev);
+ return err;
+}
+
+/**
+ * rnpgbe_remove - Device removal routine
+ * @pdev: PCI device information struct
+ *
+ * rnpgbe_remove is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device. This could be caused by a
+ * Hot-Plug event, or because the driver is going to be removed from
+ * memory.
+ **/
+static void rnpgbe_remove(struct pci_dev *pdev)
+{
+ pci_release_mem_regions(pdev);
+ pci_disable_device(pdev);
+}
+
+/**
+ * rnpgbe_dev_shutdown - Device shutdown routine
+ * @pdev: PCI device information struct
+ **/
+static void rnpgbe_dev_shutdown(struct pci_dev *pdev)
+{
+ pci_disable_device(pdev);
+}
+
+/**
+ * rnpgbe_shutdown - Device shutdown routine
+ * @pdev: PCI device information struct
+ *
+ * rnpgbe_shutdown is called by the PCI subsystem to alert the driver
+ * that os shutdown. Device should setup wakeup state here.
+ **/
+static void rnpgbe_shutdown(struct pci_dev *pdev)
+{
+ rnpgbe_dev_shutdown(pdev);
+}
+
+static struct pci_driver rnpgbe_driver = {
+ .name = rnpgbe_driver_name,
+ .id_table = rnpgbe_pci_tbl,
+ .probe = rnpgbe_probe,
+ .remove = rnpgbe_remove,
+ .shutdown = rnpgbe_shutdown,
+};
+
+module_pci_driver(rnpgbe_driver);
+
+MODULE_DEVICE_TABLE(pci, rnpgbe_pci_tbl);
+MODULE_AUTHOR("Yibo Dong, <dong100@mucse.com>");
+MODULE_DESCRIPTION("Mucse(R) 1 Gigabit PCI Express Network Driver");
+MODULE_LICENSE("GPL");
projects / thirdparty / linux.git / commitdiff
