// SPDX-License-Identifier: GPL-2.0+
/*
* icom.c
*
* Copyright (C) 2001 IBM Corporation. All rights reserved.
*
* Serial device driver.
*
* Based on code from serial.c
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/tty.h>
#include <linux/termios.h>
#include <linux/fs.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
#include <linux/serial_reg.h>
#include <linux/major.h>
#include <linux/string.h>
#include <linux/fcntl.h>
#include <linux/ptrace.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/kref.h>
#include <linux/firmware.h>
#include <linux/bitops.h>
#include <linux/io.h>
#include <asm/irq.h>
#include <linux/uaccess.h>
#include "icom.h"
/*#define ICOM_TRACE enable port trace capabilities */
#define ICOM_DRIVER_NAME "icom"
#define ICOM_VERSION_STR "1.3.1"
#define NR_PORTS 128
#define ICOM_PORT ((struct icom_port *)port)
#define to_icom_adapter(d) container_of(d, struct icom_adapter, kref)
static const struct pci_device_id icom_pci_table[] = {
{
.vendor = PCI_VENDOR_ID_IBM,
.device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
.driver_data = ADAPTER_V1,
},
{
.vendor = PCI_VENDOR_ID_IBM,
.device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
.subvendor = PCI_VENDOR_ID_IBM,
.subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_TWO_PORTS_RVX,
.driver_data = ADAPTER_V2,
},
{
.vendor = PCI_VENDOR_ID_IBM,
.device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
.subvendor = PCI_VENDOR_ID_IBM,
.subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM,
.driver_data = ADAPTER_V2,
},
{
.vendor = PCI_VENDOR_ID_IBM,
.device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
.subvendor = PCI_VENDOR_ID_IBM,
.subdevice = PCI_DEVICE_ID_IBM_ICOM_FOUR_PORT_MODEL,
.driver_data = ADAPTER_V2,
},
{
.vendor = PCI_VENDOR_ID_IBM,
.device = PCI_DEVICE_ID_IBM_ICOM_DEV_ID_2,
.subvendor = PCI_VENDOR_ID_IBM,
.subdevice = PCI_DEVICE_ID_IBM_ICOM_V2_ONE_PORT_RVX_ONE_PORT_MDM_PCIE,
.driver_data = ADAPTER_V2,
},
{}
};
static struct lookup_proc_table start_proc[4] = {
{NULL, ICOM_CONTROL_START_A},
{NULL, ICOM_CONTROL_START_B},
{NULL, ICOM_CONTROL_START_C},
{NULL, ICOM_CONTROL_START_D}
};
static struct lookup_proc_table stop_proc[4] = {
{NULL, ICOM_CONTROL_STOP_A},
{NULL, ICOM_CONTROL_STOP_B},
{NULL, ICOM_CONTROL_STOP_C},
{NULL, ICOM_CONTROL_STOP_D}
};
static struct lookup_int_table int_mask_tbl[4] = {
{NULL, ICOM_INT_MASK_PRC_A},
{NULL, ICOM_INT_MASK_PRC_B},
{NULL, ICOM_INT_MASK_PRC_C},
{NULL, ICOM_INT_MASK_PRC_D},
};
MODULE_DEVICE_TABLE(pci, icom_pci_table);
static LIST_HEAD(icom_adapter_head);
/* spinlock for adapter initialization and changing adapter operations */
static DEFINE_SPINLOCK(icom_lock);
#ifdef ICOM_TRACE
static inline void trace(struct icom_port *icom_port, char *trace_pt,
unsigned l
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