// 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_core.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> /*#define ICOM_TRACE enable port trace capabilities */ #define ICOM_DRIVER_NAME … #define NR_PORTS … static const unsigned int icom_acfg_baud[] = …; #define BAUD_TABLE_LIMIT … struct icom_regs { … }; struct func_dram { … }; /* * adapter defines and structures */ #define ICOM_CONTROL_START_A … #define ICOM_CONTROL_STOP_A … #define ICOM_CONTROL_START_B … #define ICOM_CONTROL_STOP_B … #define ICOM_CONTROL_START_C … #define ICOM_CONTROL_STOP_C … #define ICOM_CONTROL_START_D … #define ICOM_CONTROL_STOP_D … #define ICOM_IRAM_OFFSET … #define ICOM_IRAM_SIZE … #define ICOM_DCE_IRAM_OFFSET … #define ICOM_CABLE_ID_VALID … #define ICOM_CABLE_ID_MASK … #define ICOM_DISABLE … #define CMD_XMIT_RCV_ENABLE … #define CMD_XMIT_ENABLE … #define CMD_RCV_DISABLE … #define CMD_RCV_ENABLE … #define CMD_RESTART … #define CMD_HOLD_XMIT … #define CMD_SND_BREAK … #define RS232_CABLE … #define V24_CABLE … #define V35_CABLE … #define V36_CABLE … #define NO_CABLE … #define START_DOWNLOAD … #define ICOM_INT_MASK_PRC_A … #define ICOM_INT_MASK_PRC_B … #define ICOM_INT_MASK_PRC_C … #define ICOM_INT_MASK_PRC_D … #define INT_RCV_COMPLETED … #define INT_XMIT_COMPLETED … #define INT_IDLE_DETECT … #define INT_RCV_DISABLED … #define INT_XMIT_DISABLED … #define INT_RCV_XMIT_SHUTDOWN … #define INT_FATAL_ERROR … #define INT_CABLE_PULL … #define INT_SIGNAL_CHANGE … #define HDLC_PPP_PURE_ASYNC … #define HDLC_FF_FILL … #define HDLC_HDW_FLOW … #define START_XMIT … #define ICOM_ACFG_DRIVE1 … #define ICOM_ACFG_NO_PARITY … #define ICOM_ACFG_PARITY_ENAB … #define ICOM_ACFG_PARITY_ODD … #define ICOM_ACFG_8BPC … #define ICOM_ACFG_7BPC … #define ICOM_ACFG_6BPC … #define ICOM_ACFG_5BPC … #define ICOM_ACFG_1STOP_BIT … #define ICOM_ACFG_2STOP_BIT … #define ICOM_DTR … #define ICOM_RTS … #define ICOM_RI … #define ICOM_DSR … #define ICOM_DCD … #define ICOM_CTS … #define NUM_XBUFFS … #define NUM_RBUFFS … #define RCV_BUFF_SZ … #define XMIT_BUFF_SZ … struct statusArea { … }; struct icom_adapter; #define ICOM_MAJOR … #define ICOM_MINOR_START … struct icom_port { … }; struct icom_adapter { … }; /* prototype */ extern void iCom_sercons_init(void); struct lookup_proc_table { … }; struct lookup_int_table { … }; static inline struct icom_port *to_icom_port(struct uart_port *port) { … } static const struct pci_device_id icom_pci_table[] = …; static struct lookup_proc_table start_proc[4] = …; static struct lookup_proc_table stop_proc[4] = …; static struct lookup_int_table int_mask_tbl[4] = …; 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 long trace_data) { dev_info(&icom_port->adapter->pci_dev->dev, ":%d:%s - %lx\n", icom_port->port, trace_pt, trace_data); } #else static inline void trace(struct icom_port *icom_port, char *trace_pt, unsigned long trace_data) {}; #endif static void icom_kref_release(struct kref *kref); static void free_port_memory(struct icom_port *icom_port) { … } static int get_port_memory(struct icom_port *icom_port) { … } static void stop_processor(struct icom_port *icom_port) { … } static void start_processor(struct icom_port *icom_port) { … } static void load_code(struct icom_port *icom_port) { … } static int startup(struct icom_port *icom_port) { … } static void shutdown(struct icom_port *icom_port) { … } static int icom_write(struct uart_port *port) { … } static inline void check_modem_status(struct icom_port *icom_port) { … } static void xmit_interrupt(u16 port_int_reg, struct icom_port *icom_port) { … } static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port) { … } static void process_interrupt(u16 port_int_reg, struct icom_port *icom_port) { … } static irqreturn_t icom_interrupt(int irq, void *dev_id) { … } /* * ------------------------------------------------------------------ * Begin serial-core API * ------------------------------------------------------------------ */ static unsigned int icom_tx_empty(struct uart_port *port) { … } static void icom_set_mctrl(struct uart_port *port, unsigned int mctrl) { … } static unsigned int icom_get_mctrl(struct uart_port *port) { … } static void icom_stop_tx(struct uart_port *port) { … } static void icom_start_tx(struct uart_port *port) { … } static void icom_send_xchar(struct uart_port *port, char ch) { … } static void icom_stop_rx(struct uart_port *port) { … } static void icom_break(struct uart_port *port, int break_state) { … } static int icom_open(struct uart_port *port) { … } static void icom_close(struct uart_port *port) { … } static void icom_set_termios(struct uart_port *port, struct ktermios *termios, const struct ktermios *old_termios) { … } static const char *icom_type(struct uart_port *port) { … } static void icom_config_port(struct uart_port *port, int flags) { … } static const struct uart_ops icom_ops = …; #define ICOM_CONSOLE … static struct uart_driver icom_uart_driver = …; static int icom_init_ports(struct icom_adapter *icom_adapter) { … } static void icom_port_active(struct icom_port *icom_port, struct icom_adapter *icom_adapter, int port_num) { … } static int icom_load_ports(struct icom_adapter *icom_adapter) { … } static int icom_alloc_adapter(struct icom_adapter **icom_adapter_ref) { … } static void icom_free_adapter(struct icom_adapter *icom_adapter) { … } static void icom_kref_release(struct kref *kref) { … } static int icom_probe(struct pci_dev *dev, const struct pci_device_id *ent) { … } static void icom_remove(struct pci_dev *dev) { … } static struct pci_driver icom_pci_driver = …; static int __init icom_init(void) { … } static void __exit icom_exit(void) { … } module_init(…) …; module_exit(icom_exit); MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …; MODULE_FIRMWARE(…) …;
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