linux/drivers/i2c/busses/i2c-thunderx-pcidrv.c

/*
 * Cavium ThunderX i2c driver.
 *
 * Copyright (C) 2015,2016 Cavium Inc.
 * Authors: Fred Martin <[email protected]>
 *	    Jan Glauber <[email protected]>
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/i2c-smbus.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_irq.h>
#include <linux/pci.h>

#include "i2c-octeon-core.h"

#define DRV_NAME …

#define PCI_DEVICE_ID_THUNDER_TWSI …

#define SYS_FREQ_DEFAULT …
#define OTX2_REF_FREQ_DEFAULT …

#define TWSI_INT_ENA_W1C …
#define TWSI_INT_ENA_W1S …

/*
 * Enable the CORE interrupt.
 * The interrupt will be asserted when there is non-STAT_IDLE state in the
 * SW_TWSI_EOP_TWSI_STAT register.
 */
static void thunder_i2c_int_enable(struct octeon_i2c *i2c)
{ … }

/*
 * Disable the CORE interrupt.
 */
static void thunder_i2c_int_disable(struct octeon_i2c *i2c)
{ … }

static void thunder_i2c_hlc_int_enable(struct octeon_i2c *i2c)
{ … }

static void thunder_i2c_hlc_int_disable(struct octeon_i2c *i2c)
{ … }

static u32 thunderx_i2c_functionality(struct i2c_adapter *adap)
{ … }

static const struct i2c_algorithm thunderx_i2c_algo = …;

static const struct i2c_adapter thunderx_i2c_ops = …;

static void thunder_i2c_clock_enable(struct device *dev, struct octeon_i2c *i2c)
{ … }

static void thunder_i2c_clock_disable(struct device *dev, struct clk *clk)
{ … }

static int thunder_i2c_smbus_setup_of(struct octeon_i2c *i2c,
				      struct device_node *node)
{ … }

static int thunder_i2c_smbus_setup(struct octeon_i2c *i2c,
				   struct device_node *node)
{ … }

static void thunder_i2c_smbus_remove(struct octeon_i2c *i2c)
{ … }

static int thunder_i2c_probe_pci(struct pci_dev *pdev,
				 const struct pci_device_id *ent)
{ … }

static void thunder_i2c_remove_pci(struct pci_dev *pdev)
{ … }

static const struct pci_device_id thunder_i2c_pci_id_table[] = …;

MODULE_DEVICE_TABLE(pci, thunder_i2c_pci_id_table);

static struct pci_driver thunder_i2c_pci_driver = …;

module_pci_driver(…) …;

MODULE_LICENSE(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;