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// 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");
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