cregit-Linux how code gets into the kernel

Release 4.11 drivers/vme/boards/vme_vmivme7805.c

/*
 * Support for the VMIVME-7805 board access to the Universe II bridge.
 *
 * Author: Arthur Benilov <arthur.benilov@iba-group.com>
 * Copyright 2010 Ion Beam Application, Inc.
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#include <linux/module.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/poll.h>
#include <linux/io.h>

#include "vme_vmivme7805.h"

static int vmic_probe(struct pci_dev *, const struct pci_device_id *);
static void vmic_remove(struct pci_dev *);

/** Base address to access FPGA register */

static void __iomem *vmic_base;


static const char driver_name[] = "vmivme_7805";


static const struct pci_device_id vmic_ids[] = {
	{ PCI_DEVICE(PCI_VENDOR_ID_VMIC, PCI_DEVICE_ID_VTIMR) },
	{ },
};


static struct pci_driver vmic_driver = {
	.name = driver_name,
	.id_table = vmic_ids,
	.probe = vmic_probe,
	.remove = vmic_remove,
};


static int vmic_probe(struct pci_dev *pdev, const struct pci_device_id *id) { int retval; u32 data; /* Enable the device */ retval = pci_enable_device(pdev); if (retval) { dev_err(&pdev->dev, "Unable to enable device\n"); goto err; } /* Map Registers */ retval = pci_request_regions(pdev, driver_name); if (retval) { dev_err(&pdev->dev, "Unable to reserve resources\n"); goto err_resource; } /* Map registers in BAR 0 */ vmic_base = ioremap_nocache(pci_resource_start(pdev, 0), 16); if (!vmic_base) { dev_err(&pdev->dev, "Unable to remap CRG region\n"); retval = -EIO; goto err_remap; } /* Clear the FPGA VME IF contents */ iowrite32(0, vmic_base + VME_CONTROL); /* Clear any initial BERR */ data = ioread32(vmic_base + VME_CONTROL) & 0x00000FFF; data |= BM_VME_CONTROL_BERRST; iowrite32(data, vmic_base + VME_CONTROL); /* Enable the vme interface and byte swapping */ data = ioread32(vmic_base + VME_CONTROL) & 0x00000FFF; data = data | BM_VME_CONTROL_MASTER_ENDIAN | BM_VME_CONTROL_SLAVE_ENDIAN | BM_VME_CONTROL_ABLE | BM_VME_CONTROL_BERRI | BM_VME_CONTROL_BPENA | BM_VME_CONTROL_VBENA; iowrite32(data, vmic_base + VME_CONTROL); return 0; err_remap: pci_release_regions(pdev); err_resource: pci_disable_device(pdev); err: return retval; }

Contributors

PersonTokensPropCommitsCommitProp
Arthur Benilov213100.00%1100.00%
Total213100.00%1100.00%


static void vmic_remove(struct pci_dev *pdev) { iounmap(vmic_base); pci_release_regions(pdev); pci_disable_device(pdev); }

Contributors

PersonTokensPropCommitsCommitProp
Arthur Benilov26100.00%1100.00%
Total26100.00%1100.00%

module_pci_driver(vmic_driver); MODULE_DESCRIPTION("VMIVME-7805 board support driver"); MODULE_AUTHOR("Arthur Benilov <arthur.benilov@iba-group.com>"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Arthur Benilov35797.54%120.00%
Jingoo Han71.91%240.00%
Wei Yongjun10.27%120.00%
Vincent Bossier10.27%120.00%
Total366100.00%5100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.