// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2008 Per Dalen <[email protected]> * * Parts of this software are based on (derived) the following: * * - Kvaser linux driver, version 4.72 BETA * Copyright (C) 2002-2007 KVASER AB * * - Lincan driver, version 0.3.3, OCERA project * Copyright (C) 2004 Pavel Pisa * Copyright (C) 2001 Arnaud Westenberg * * - Socketcan SJA1000 drivers * Copyright (C) 2007 Wolfgang Grandegger <[email protected]> * Copyright (c) 2002-2007 Volkswagen Group Electronic Research * Copyright (c) 2003 Matthias Brukner, Trajet Gmbh, Rebenring 33, * 38106 Braunschweig, GERMANY */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/interrupt.h> #include <linux/netdevice.h> #include <linux/delay.h> #include <linux/pci.h> #include <linux/can/dev.h> #include <linux/io.h> #include "sja1000.h" #define DRV_NAME … MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; #define MAX_NO_OF_CHANNELS … struct kvaser_pci { … }; #define KVASER_PCI_CAN_CLOCK … /* * The board configuration is probably following: * RX1 is connected to ground. * TX1 is not connected. * CLKO is not connected. * Setting the OCR register to 0xDA is a good idea. * This means normal output mode , push-pull and the correct polarity. */ #define KVASER_PCI_OCR … /* * In the CDR register, you should set CBP to 1. * You will probably also want to set the clock divider value to 0 * (meaning divide-by-2), the Pelican bit, and the clock-off bit * (you will have no need for CLKOUT anyway). */ #define KVASER_PCI_CDR … /* * These register values are valid for revision 14 of the Xilinx logic. */ #define XILINX_VERINT … #define XILINX_PRESUMED_VERSION … /* * Important S5920 registers */ #define S5920_INTCSR … #define S5920_PTCR … #define INTCSR_ADDON_INTENABLE_M … #define KVASER_PCI_PORT_BYTES … #define PCI_CONFIG_PORT_SIZE … #define PCI_PORT_SIZE … #define PCI_PORT_XILINX_SIZE … #define KVASER_PCI_VENDOR_ID1 … #define KVASER_PCI_DEVICE_ID1 … #define KVASER_PCI_VENDOR_ID2 … #define KVASER_PCI_DEVICE_ID2 … static const struct pci_device_id kvaser_pci_tbl[] = …; MODULE_DEVICE_TABLE(pci, kvaser_pci_tbl); static u8 kvaser_pci_read_reg(const struct sja1000_priv *priv, int port) { … } static void kvaser_pci_write_reg(const struct sja1000_priv *priv, int port, u8 val) { … } static void kvaser_pci_disable_irq(struct net_device *dev) { … } static void kvaser_pci_enable_irq(struct net_device *dev) { … } static int number_of_sja1000_chip(void __iomem *base_addr) { … } static void kvaser_pci_del_chan(struct net_device *dev) { … } static int kvaser_pci_add_chan(struct pci_dev *pdev, int channel, struct net_device **master_dev, void __iomem *conf_addr, void __iomem *res_addr, void __iomem *base_addr) { … } static int kvaser_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { … } static void kvaser_pci_remove_one(struct pci_dev *pdev) { … } static struct pci_driver kvaser_pci_driver = …; module_pci_driver(…) …;
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