[PATCH 1/1] mxser, remove it
From: Jiri Slaby
Date: Thu Dec 27 2007 - 08:45:55 EST
(Old) mxser is obsoleted by mxser_new and scheduled for removal on Dec 2007.
Remove it.
Signed-off-by: Jiri Slaby <jirislaby@xxxxxxxxx>
---
Documentation/feature-removal-schedule.txt | 8 -
drivers/char/Kconfig | 11 -
drivers/char/Makefile | 1 -
drivers/char/mxser.c | 3141 ----------------------------
drivers/char/mxser.h | 441 ----
5 files changed, 0 insertions(+), 3602 deletions(-)
delete mode 100644 drivers/char/mxser.c
delete mode 100644 drivers/char/mxser.h
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 5092585..165c664 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -6,14 +6,6 @@ be removed from this file.
---------------------------
-What: MXSER
-When: December 2007
-Why: Old mxser driver is obsoleted by the mxser_new. Give it some time yet
- and remove it.
-Who: Jiri Slaby <jirislaby@xxxxxxxxx>
-
----------------------------
-
What: dev->power.power_state
When: July 2007
Why: Broken design for runtime control over driver power states, confusing
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 967bfc2..4df801b 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -193,17 +193,6 @@ config MOXA_INTELLIO
To compile this driver as a module, choose M here: the
module will be called moxa.
-config MOXA_SMARTIO
- tristate "Moxa SmartIO support (OBSOLETE)"
- depends on SERIAL_NONSTANDARD
- help
- Say Y here if you have a Moxa SmartIO multiport serial card.
-
- This driver can also be built as a module ( = code which can be
- inserted in and removed from the running kernel whenever you want).
- The module will be called mxser. If you want to do that, say M
- here.
-
config MOXA_SMARTIO_NEW
tristate "Moxa SmartIO support v. 2.0"
depends on SERIAL_NONSTANDARD && (PCI || EISA || ISA)
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 2f02662..ed40670 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -32,7 +32,6 @@ obj-$(CONFIG_SPECIALIX) += specialix.o
obj-$(CONFIG_MOXA_INTELLIO) += moxa.o
obj-$(CONFIG_A2232) += ser_a2232.o generic_serial.o
obj-$(CONFIG_ATARI_DSP56K) += dsp56k.o
-obj-$(CONFIG_MOXA_SMARTIO) += mxser.o
obj-$(CONFIG_MOXA_SMARTIO_NEW) += mxser_new.o
obj-$(CONFIG_COMPUTONE) += ip2/
obj-$(CONFIG_RISCOM8) += riscom8.o
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
deleted file mode 100644
index 35ff7a2..0000000
--- a/drivers/char/mxser.c
+++ /dev/null
@@ -1,3141 +0,0 @@
-/*
- * mxser.c -- MOXA Smartio/Industio family multiport serial driver.
- *
- * Copyright (C) 1999-2001 Moxa Technologies (support@xxxxxxxxxxx).
- *
- * This code is loosely based on the Linux serial driver, written by
- * Linus Torvalds, Theodore T'so and others.
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Original release 10/26/00
- *
- * 02/06/01 Support MOXA Industio family boards.
- * 02/06/01 Support TIOCGICOUNT.
- * 02/06/01 Fix the problem for connecting to serial mouse.
- * 02/06/01 Fix the problem for H/W flow control.
- * 02/06/01 Fix the compling warning when CONFIG_PCI
- * don't be defined.
- *
- * Fed through a cleanup, indent and remove of non 2.6 code by Alan Cox
- * <alan@xxxxxxxxxx>. The original 1.8 code is available on www.moxa.com.
- * - Fixed x86_64 cleanness
- * - Fixed sleep with spinlock held in mxser_send_break
- */
-
-
-#include <linux/module.h>
-#include <linux/errno.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/tty.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/gfp.h>
-#include <linux/ioport.h>
-#include <linux/mm.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/bitops.h>
-
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-
-#include "mxser.h"
-
-#define MXSER_VERSION "1.8"
-#define MXSERMAJOR 174
-#define MXSERCUMAJOR 175
-
-#define MXSER_EVENT_TXLOW 1
-#define MXSER_EVENT_HANGUP 2
-
-#define MXSER_BOARDS 4 /* Max. boards */
-#define MXSER_PORTS 32 /* Max. ports */
-#define MXSER_PORTS_PER_BOARD 8 /* Max. ports per board */
-#define MXSER_ISR_PASS_LIMIT 256
-
-#define MXSER_ERR_IOADDR -1
-#define MXSER_ERR_IRQ -2
-#define MXSER_ERR_IRQ_CONFLIT -3
-#define MXSER_ERR_VECTOR -4
-
-#define WAKEUP_CHARS 256
-
-#define UART_MCR_AFE 0x20
-#define UART_LSR_SPECIAL 0x1E
-
-
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
-
-#define C168_ASIC_ID 1
-#define C104_ASIC_ID 2
-#define C102_ASIC_ID 0xB
-#define CI132_ASIC_ID 4
-#define CI134_ASIC_ID 3
-#define CI104J_ASIC_ID 5
-
-enum {
- MXSER_BOARD_C168_ISA = 1,
- MXSER_BOARD_C104_ISA,
- MXSER_BOARD_CI104J,
- MXSER_BOARD_C168_PCI,
- MXSER_BOARD_C104_PCI,
- MXSER_BOARD_C102_ISA,
- MXSER_BOARD_CI132,
- MXSER_BOARD_CI134,
- MXSER_BOARD_CP132,
- MXSER_BOARD_CP114,
- MXSER_BOARD_CT114,
- MXSER_BOARD_CP102,
- MXSER_BOARD_CP104U,
- MXSER_BOARD_CP168U,
- MXSER_BOARD_CP132U,
- MXSER_BOARD_CP134U,
- MXSER_BOARD_CP104JU,
- MXSER_BOARD_RC7000,
- MXSER_BOARD_CP118U,
- MXSER_BOARD_CP102UL,
- MXSER_BOARD_CP102U,
-};
-
-static char *mxser_brdname[] = {
- "C168 series",
- "C104 series",
- "CI-104J series",
- "C168H/PCI series",
- "C104H/PCI series",
- "C102 series",
- "CI-132 series",
- "CI-134 series",
- "CP-132 series",
- "CP-114 series",
- "CT-114 series",
- "CP-102 series",
- "CP-104U series",
- "CP-168U series",
- "CP-132U series",
- "CP-134U series",
- "CP-104JU series",
- "Moxa UC7000 Serial",
- "CP-118U series",
- "CP-102UL series",
- "CP-102U series",
-};
-
-static int mxser_numports[] = {
- 8, /* C168-ISA */
- 4, /* C104-ISA */
- 4, /* CI104J */
- 8, /* C168-PCI */
- 4, /* C104-PCI */
- 2, /* C102-ISA */
- 2, /* CI132 */
- 4, /* CI134 */
- 2, /* CP132 */
- 4, /* CP114 */
- 4, /* CT114 */
- 2, /* CP102 */
- 4, /* CP104U */
- 8, /* CP168U */
- 2, /* CP132U */
- 4, /* CP134U */
- 4, /* CP104JU */
- 8, /* RC7000 */
- 8, /* CP118U */
- 2, /* CP102UL */
- 2, /* CP102U */
-};
-
-#define UART_TYPE_NUM 2
-
-static const unsigned int Gmoxa_uart_id[UART_TYPE_NUM] = {
- MOXA_MUST_MU150_HWID,
- MOXA_MUST_MU860_HWID
-};
-
-/* This is only for PCI */
-#define UART_INFO_NUM 3
-struct mxpciuart_info {
- int type;
- int tx_fifo;
- int rx_fifo;
- int xmit_fifo_size;
- int rx_high_water;
- int rx_trigger;
- int rx_low_water;
- long max_baud;
-};
-
-static const struct mxpciuart_info Gpci_uart_info[UART_INFO_NUM] = {
- {MOXA_OTHER_UART, 16, 16, 16, 14, 14, 1, 921600L},
- {MOXA_MUST_MU150_HWID, 64, 64, 64, 48, 48, 16, 230400L},
- {MOXA_MUST_MU860_HWID, 128, 128, 128, 96, 96, 32, 921600L}
-};
-
-
-#ifdef CONFIG_PCI
-
-static struct pci_device_id mxser_pcibrds[] = {
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C168, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_C168_PCI},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_C104_PCI},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP132},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP114, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP114},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CT114, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CT114},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP102},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104U, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP104U},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP168U, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP168U},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP132U, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP132U},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP134U, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP134U},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP104JU, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP104JU},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_RC7000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_RC7000},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP118U, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP118U},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102UL, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP102UL},
- {PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP102U, PCI_ANY_ID, PCI_ANY_ID, 0, 0, MXSER_BOARD_CP102U},
- {0}
-};
-
-MODULE_DEVICE_TABLE(pci, mxser_pcibrds);
-
-
-#endif
-
-typedef struct _moxa_pci_info {
- unsigned short busNum;
- unsigned short devNum;
- struct pci_dev *pdev; /* add by Victor Yu. 06-23-2003 */
-} moxa_pci_info;
-
-static int ioaddr[MXSER_BOARDS] = { 0, 0, 0, 0 };
-static int ttymajor = MXSERMAJOR;
-static int calloutmajor = MXSERCUMAJOR;
-static int verbose = 0;
-
-/* Variables for insmod */
-
-MODULE_AUTHOR("Casper Yang");
-MODULE_DESCRIPTION("MOXA Smartio/Industio Family Multiport Board Device Driver");
-module_param_array(ioaddr, int, NULL, 0);
-module_param(ttymajor, int, 0);
-module_param(calloutmajor, int, 0);
-module_param(verbose, bool, 0);
-MODULE_LICENSE("GPL");
-
-struct mxser_log {
- int tick;
- unsigned long rxcnt[MXSER_PORTS];
- unsigned long txcnt[MXSER_PORTS];
-};
-
-
-struct mxser_mon {
- unsigned long rxcnt;
- unsigned long txcnt;
- unsigned long up_rxcnt;
- unsigned long up_txcnt;
- int modem_status;
- unsigned char hold_reason;
-};
-
-struct mxser_mon_ext {
- unsigned long rx_cnt[32];
- unsigned long tx_cnt[32];
- unsigned long up_rxcnt[32];
- unsigned long up_txcnt[32];
- int modem_status[32];
-
- long baudrate[32];
- int databits[32];
- int stopbits[32];
- int parity[32];
- int flowctrl[32];
- int fifo[32];
- int iftype[32];
-};
-
-struct mxser_hwconf {
- int board_type;
- int ports;
- int irq;
- int vector;
- int vector_mask;
- int uart_type;
- int ioaddr[MXSER_PORTS_PER_BOARD];
- int baud_base[MXSER_PORTS_PER_BOARD];
- moxa_pci_info pciInfo;
- int IsMoxaMustChipFlag; /* add by Victor Yu. 08-30-2002 */
- int MaxCanSetBaudRate[MXSER_PORTS_PER_BOARD]; /* add by Victor Yu. 09-04-2002 */
- int opmode_ioaddr[MXSER_PORTS_PER_BOARD]; /* add by Victor Yu. 01-05-2004 */
-};
-
-struct mxser_struct {
- int port;
- int base; /* port base address */
- int irq; /* port using irq no. */
- int vector; /* port irq vector */
- int vectormask; /* port vector mask */
- int rx_high_water;
- int rx_trigger; /* Rx fifo trigger level */
- int rx_low_water;
- int baud_base; /* max. speed */
- int flags; /* defined in tty.h */
- int type; /* UART type */
- struct tty_struct *tty;
- int read_status_mask;
- int ignore_status_mask;
- int xmit_fifo_size;
- int custom_divisor;
- int x_char; /* xon/xoff character */
- int close_delay;
- unsigned short closing_wait;
- int IER; /* Interrupt Enable Register */
- int MCR; /* Modem control register */
- unsigned long event;
- int count; /* # of fd on device */
- int blocked_open; /* # of blocked opens */
- unsigned char *xmit_buf;
- int xmit_head;
- int xmit_tail;
- int xmit_cnt;
- struct work_struct tqueue;
- struct ktermios normal_termios;
- struct ktermios callout_termios;
- wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
- wait_queue_head_t delta_msr_wait;
- struct async_icount icount; /* kernel counters for the 4 input interrupts */
- int timeout;
- int IsMoxaMustChipFlag; /* add by Victor Yu. 08-30-2002 */
- int MaxCanSetBaudRate; /* add by Victor Yu. 09-04-2002 */
- int opmode_ioaddr; /* add by Victor Yu. 01-05-2004 */
- unsigned char stop_rx;
- unsigned char ldisc_stop_rx;
- long realbaud;
- struct mxser_mon mon_data;
- unsigned char err_shadow;
- spinlock_t slock;
-};
-
-struct mxser_mstatus {
- tcflag_t cflag;
- int cts;
- int dsr;
- int ri;
- int dcd;
-};
-
-static struct mxser_mstatus GMStatus[MXSER_PORTS];
-
-static int mxserBoardCAP[MXSER_BOARDS] = {
- 0, 0, 0, 0
- /* 0x180, 0x280, 0x200, 0x320 */
-};
-
-static struct tty_driver *mxvar_sdriver;
-static struct mxser_struct mxvar_table[MXSER_PORTS];
-static struct tty_struct *mxvar_tty[MXSER_PORTS + 1];
-static struct ktermios *mxvar_termios[MXSER_PORTS + 1];
-static struct ktermios *mxvar_termios_locked[MXSER_PORTS + 1];
-static struct mxser_log mxvar_log;
-static int mxvar_diagflag;
-static unsigned char mxser_msr[MXSER_PORTS + 1];
-static struct mxser_mon_ext mon_data_ext;
-static int mxser_set_baud_method[MXSER_PORTS + 1];
-static spinlock_t gm_lock;
-
-/*
- * This is used to figure out the divisor speeds and the timeouts
- */
-
-static struct mxser_hwconf mxsercfg[MXSER_BOARDS];
-
-/*
- * static functions:
- */
-
-static void mxser_getcfg(int board, struct mxser_hwconf *hwconf);
-static int mxser_init(void);
-
-/* static void mxser_poll(unsigned long); */
-static int mxser_get_ISA_conf(int, struct mxser_hwconf *);
-static void mxser_do_softint(struct work_struct *);
-static int mxser_open(struct tty_struct *, struct file *);
-static void mxser_close(struct tty_struct *, struct file *);
-static int mxser_write(struct tty_struct *, const unsigned char *, int);
-static int mxser_write_room(struct tty_struct *);
-static void mxser_flush_buffer(struct tty_struct *);
-static int mxser_chars_in_buffer(struct tty_struct *);
-static void mxser_flush_chars(struct tty_struct *);
-static void mxser_put_char(struct tty_struct *, unsigned char);
-static int mxser_ioctl(struct tty_struct *, struct file *, uint, ulong);
-static int mxser_ioctl_special(unsigned int, void __user *);
-static void mxser_throttle(struct tty_struct *);
-static void mxser_unthrottle(struct tty_struct *);
-static void mxser_set_termios(struct tty_struct *, struct ktermios *);
-static void mxser_stop(struct tty_struct *);
-static void mxser_start(struct tty_struct *);
-static void mxser_hangup(struct tty_struct *);
-static void mxser_rs_break(struct tty_struct *, int);
-static irqreturn_t mxser_interrupt(int, void *);
-static void mxser_receive_chars(struct mxser_struct *, int *);
-static void mxser_transmit_chars(struct mxser_struct *);
-static void mxser_check_modem_status(struct mxser_struct *, int);
-static int mxser_block_til_ready(struct tty_struct *, struct file *, struct mxser_struct *);
-static int mxser_startup(struct mxser_struct *);
-static void mxser_shutdown(struct mxser_struct *);
-static int mxser_change_speed(struct mxser_struct *, struct ktermios *old_termios);
-static int mxser_get_serial_info(struct mxser_struct *, struct serial_struct __user *);
-static int mxser_set_serial_info(struct mxser_struct *, struct serial_struct __user *);
-static int mxser_get_lsr_info(struct mxser_struct *, unsigned int __user *);
-static void mxser_send_break(struct mxser_struct *, int);
-static int mxser_tiocmget(struct tty_struct *, struct file *);
-static int mxser_tiocmset(struct tty_struct *, struct file *, unsigned int, unsigned int);
-static int mxser_set_baud(struct mxser_struct *info, long newspd);
-static void mxser_wait_until_sent(struct tty_struct *tty, int timeout);
-
-static void mxser_startrx(struct tty_struct *tty);
-static void mxser_stoprx(struct tty_struct *tty);
-
-#ifdef CONFIG_PCI
-static int CheckIsMoxaMust(int io)
-{
- u8 oldmcr, hwid;
- int i;
-
- outb(0, io + UART_LCR);
- DISABLE_MOXA_MUST_ENCHANCE_MODE(io);
- oldmcr = inb(io + UART_MCR);
- outb(0, io + UART_MCR);
- SET_MOXA_MUST_XON1_VALUE(io, 0x11);
- if ((hwid = inb(io + UART_MCR)) != 0) {
- outb(oldmcr, io + UART_MCR);
- return MOXA_OTHER_UART;
- }
-
- GET_MOXA_MUST_HARDWARE_ID(io, &hwid);
- for (i = 0; i < UART_TYPE_NUM; i++) {
- if (hwid == Gmoxa_uart_id[i])
- return (int)hwid;
- }
- return MOXA_OTHER_UART;
-}
-#endif
-
-/* above is modified by Victor Yu. 08-15-2002 */
-
-static const struct tty_operations mxser_ops = {
- .open = mxser_open,
- .close = mxser_close,
- .write = mxser_write,
- .put_char = mxser_put_char,
- .flush_chars = mxser_flush_chars,
- .write_room = mxser_write_room,
- .chars_in_buffer = mxser_chars_in_buffer,
- .flush_buffer = mxser_flush_buffer,
- .ioctl = mxser_ioctl,
- .throttle = mxser_throttle,
- .unthrottle = mxser_unthrottle,
- .set_termios = mxser_set_termios,
- .stop = mxser_stop,
- .start = mxser_start,
- .hangup = mxser_hangup,
- .break_ctl = mxser_rs_break,
- .wait_until_sent = mxser_wait_until_sent,
- .tiocmget = mxser_tiocmget,
- .tiocmset = mxser_tiocmset,
-};
-
-/*
- * The MOXA Smartio/Industio serial driver boot-time initialization code!
- */
-
-static int __init mxser_module_init(void)
-{
- int ret;
-
- if (verbose)
- printk(KERN_DEBUG "Loading module mxser ...\n");
- ret = mxser_init();
- if (verbose)
- printk(KERN_DEBUG "Done.\n");
- return ret;
-}
-
-static void __exit mxser_module_exit(void)
-{
- int i, err;
-
- if (verbose)
- printk(KERN_DEBUG "Unloading module mxser ...\n");
-
- err = tty_unregister_driver(mxvar_sdriver);
- if (!err)
- put_tty_driver(mxvar_sdriver);
- else
- printk(KERN_ERR "Couldn't unregister MOXA Smartio/Industio family serial driver\n");
-
- for (i = 0; i < MXSER_BOARDS; i++) {
- struct pci_dev *pdev;
-
- if (mxsercfg[i].board_type == -1)
- continue;
- else {
- pdev = mxsercfg[i].pciInfo.pdev;
- free_irq(mxsercfg[i].irq, &mxvar_table[i * MXSER_PORTS_PER_BOARD]);
- if (pdev != NULL) { /* PCI */
- release_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2));
- release_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3));
- pci_dev_put(pdev);
- } else {
- release_region(mxsercfg[i].ioaddr[0], 8 * mxsercfg[i].ports);
- release_region(mxsercfg[i].vector, 1);
- }
- }
- }
- if (verbose)
- printk(KERN_DEBUG "Done.\n");
-}
-
-static void process_txrx_fifo(struct mxser_struct *info)
-{
- int i;
-
- if ((info->type == PORT_16450) || (info->type == PORT_8250)) {
- info->rx_trigger = 1;
- info->rx_high_water = 1;
- info->rx_low_water = 1;
- info->xmit_fifo_size = 1;
- } else {
- for (i = 0; i < UART_INFO_NUM; i++) {
- if (info->IsMoxaMustChipFlag == Gpci_uart_info[i].type) {
- info->rx_trigger = Gpci_uart_info[i].rx_trigger;
- info->rx_low_water = Gpci_uart_info[i].rx_low_water;
- info->rx_high_water = Gpci_uart_info[i].rx_high_water;
- info->xmit_fifo_size = Gpci_uart_info[i].xmit_fifo_size;
- break;
- }
- }
- }
-}
-
-static int mxser_initbrd(int board, struct mxser_hwconf *hwconf)
-{
- struct mxser_struct *info;
- int retval;
- int i, n;
-
- n = board * MXSER_PORTS_PER_BOARD;
- info = &mxvar_table[n];
- /*if (verbose) */ {
- printk(KERN_DEBUG " ttyMI%d - ttyMI%d ",
- n, n + hwconf->ports - 1);
- printk(" max. baud rate = %d bps.\n",
- hwconf->MaxCanSetBaudRate[0]);
- }
-
- for (i = 0; i < hwconf->ports; i++, n++, info++) {
- info->port = n;
- info->base = hwconf->ioaddr[i];
- info->irq = hwconf->irq;
- info->vector = hwconf->vector;
- info->vectormask = hwconf->vector_mask;
- info->opmode_ioaddr = hwconf->opmode_ioaddr[i]; /* add by Victor Yu. 01-05-2004 */
- info->stop_rx = 0;
- info->ldisc_stop_rx = 0;
-
- info->IsMoxaMustChipFlag = hwconf->IsMoxaMustChipFlag;
- /* Enhance mode enabled here */
- if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) {
- ENABLE_MOXA_MUST_ENCHANCE_MODE(info->base);
- }
-
- info->flags = ASYNC_SHARE_IRQ;
- info->type = hwconf->uart_type;
- info->baud_base = hwconf->baud_base[i];
-
- info->MaxCanSetBaudRate = hwconf->MaxCanSetBaudRate[i];
-
- process_txrx_fifo(info);
-
-
- info->custom_divisor = hwconf->baud_base[i] * 16;
- info->close_delay = 5 * HZ / 10;
- info->closing_wait = 30 * HZ;
- INIT_WORK(&info->tqueue, mxser_do_softint);
- info->normal_termios = mxvar_sdriver->init_termios;
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
- init_waitqueue_head(&info->delta_msr_wait);
- memset(&info->mon_data, 0, sizeof(struct mxser_mon));
- info->err_shadow = 0;
- spin_lock_init(&info->slock);
- }
- /*
- * Allocate the IRQ if necessary
- */
-
-
- /* before set INT ISR, disable all int */
- for (i = 0; i < hwconf->ports; i++) {
- outb(inb(hwconf->ioaddr[i] + UART_IER) & 0xf0,
- hwconf->ioaddr[i] + UART_IER);
- }
-
- n = board * MXSER_PORTS_PER_BOARD;
- info = &mxvar_table[n];
-
- retval = request_irq(hwconf->irq, mxser_interrupt, IRQ_T(info),
- "mxser", info);
- if (retval) {
- printk(KERN_ERR "Board %d: %s",
- board, mxser_brdname[hwconf->board_type - 1]);
- printk(" Request irq failed, IRQ (%d) may conflict with"
- " another device.\n", info->irq);
- return retval;
- }
- return 0;
-}
-
-static void mxser_getcfg(int board, struct mxser_hwconf *hwconf)
-{
- mxsercfg[board] = *hwconf;
-}
-
-#ifdef CONFIG_PCI
-static int mxser_get_PCI_conf(int busnum, int devnum, int board_type, struct mxser_hwconf *hwconf)
-{
- int i, j;
- /* unsigned int val; */
- unsigned int ioaddress;
- struct pci_dev *pdev = hwconf->pciInfo.pdev;
-
- /* io address */
- hwconf->board_type = board_type;
- hwconf->ports = mxser_numports[board_type - 1];
- ioaddress = pci_resource_start(pdev, 2);
- request_region(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2),
- "mxser(IO)");
-
- for (i = 0; i < hwconf->ports; i++)
- hwconf->ioaddr[i] = ioaddress + 8 * i;
-
- /* vector */
- ioaddress = pci_resource_start(pdev, 3);
- request_region(pci_resource_start(pdev, 3), pci_resource_len(pdev, 3),
- "mxser(vector)");
- hwconf->vector = ioaddress;
-
- /* irq */
- hwconf->irq = hwconf->pciInfo.pdev->irq;
-
- hwconf->IsMoxaMustChipFlag = CheckIsMoxaMust(hwconf->ioaddr[0]);
- hwconf->uart_type = PORT_16550A;
- hwconf->vector_mask = 0;
-
-
- for (i = 0; i < hwconf->ports; i++) {
- for (j = 0; j < UART_INFO_NUM; j++) {
- if (Gpci_uart_info[j].type == hwconf->IsMoxaMustChipFlag) {
- hwconf->MaxCanSetBaudRate[i] = Gpci_uart_info[j].max_baud;
-
- /* exception....CP-102 */
- if (board_type == MXSER_BOARD_CP102)
- hwconf->MaxCanSetBaudRate[i] = 921600;
- break;
- }
- }
- }
-
- if (hwconf->IsMoxaMustChipFlag == MOXA_MUST_MU860_HWID) {
- for (i = 0; i < hwconf->ports; i++) {
- if (i < 4)
- hwconf->opmode_ioaddr[i] = ioaddress + 4;
- else
- hwconf->opmode_ioaddr[i] = ioaddress + 0x0c;
- }
- outb(0, ioaddress + 4); /* default set to RS232 mode */
- outb(0, ioaddress + 0x0c); /* default set to RS232 mode */
- }
-
- for (i = 0; i < hwconf->ports; i++) {
- hwconf->vector_mask |= (1 << i);
- hwconf->baud_base[i] = 921600;
- }
- return 0;
-}
-#endif
-
-static int mxser_init(void)
-{
- int i, m, retval, b, n;
- struct pci_dev *pdev = NULL;
- int index;
- unsigned char busnum, devnum;
- struct mxser_hwconf hwconf;
-
- mxvar_sdriver = alloc_tty_driver(MXSER_PORTS + 1);
- if (!mxvar_sdriver)
- return -ENOMEM;
- spin_lock_init(&gm_lock);
-
- for (i = 0; i < MXSER_BOARDS; i++) {
- mxsercfg[i].board_type = -1;
- }
-
- printk(KERN_INFO "MOXA Smartio/Industio family driver version %s\n",
- MXSER_VERSION);
-
- /* Initialize the tty_driver structure */
- memset(mxvar_sdriver, 0, sizeof(struct tty_driver));
- mxvar_sdriver->owner = THIS_MODULE;
- mxvar_sdriver->magic = TTY_DRIVER_MAGIC;
- mxvar_sdriver->name = "ttyMI";
- mxvar_sdriver->major = ttymajor;
- mxvar_sdriver->minor_start = 0;
- mxvar_sdriver->num = MXSER_PORTS + 1;
- mxvar_sdriver->type = TTY_DRIVER_TYPE_SERIAL;
- mxvar_sdriver->subtype = SERIAL_TYPE_NORMAL;
- mxvar_sdriver->init_termios = tty_std_termios;
- mxvar_sdriver->init_termios.c_cflag = B9600|CS8|CREAD|HUPCL|CLOCAL;
- mxvar_sdriver->init_termios.c_ispeed = 9600;
- mxvar_sdriver->init_termios.c_ospeed = 9600;
- mxvar_sdriver->flags = TTY_DRIVER_REAL_RAW;
- tty_set_operations(mxvar_sdriver, &mxser_ops);
- mxvar_sdriver->ttys = mxvar_tty;
- mxvar_sdriver->termios = mxvar_termios;
- mxvar_sdriver->termios_locked = mxvar_termios_locked;
-
- mxvar_diagflag = 0;
- memset(mxvar_table, 0, MXSER_PORTS * sizeof(struct mxser_struct));
- memset(&mxvar_log, 0, sizeof(struct mxser_log));
-
- memset(&mxser_msr, 0, sizeof(unsigned char) * (MXSER_PORTS + 1));
- memset(&mon_data_ext, 0, sizeof(struct mxser_mon_ext));
- memset(&mxser_set_baud_method, 0, sizeof(int) * (MXSER_PORTS + 1));
- memset(&hwconf, 0, sizeof(struct mxser_hwconf));
-
- m = 0;
- /* Start finding ISA boards here */
- for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
- int cap;
-
- if (!(cap = mxserBoardCAP[b]))
- continue;
-
- retval = mxser_get_ISA_conf(cap, &hwconf);
-
- if (retval != 0)
- printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
- mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
-
- if (retval <= 0) {
- if (retval == MXSER_ERR_IRQ)
- printk(KERN_ERR "Invalid interrupt number, "
- "board not configured\n");
- else if (retval == MXSER_ERR_IRQ_CONFLIT)
- printk(KERN_ERR "Invalid interrupt number, "
- "board not configured\n");
- else if (retval == MXSER_ERR_VECTOR)
- printk(KERN_ERR "Invalid interrupt vector, "
- "board not configured\n");
- else if (retval == MXSER_ERR_IOADDR)
- printk(KERN_ERR "Invalid I/O address, "
- "board not configured\n");
-
- continue;
- }
-
- hwconf.pciInfo.busNum = 0;
- hwconf.pciInfo.devNum = 0;
- hwconf.pciInfo.pdev = NULL;
-
- mxser_getcfg(m, &hwconf);
- /*
- * init mxsercfg first,
- * or mxsercfg data is not correct on ISR.
- */
- /* mxser_initbrd will hook ISR. */
- if (mxser_initbrd(m, &hwconf) < 0)
- continue;
-
- m++;
- }
-
- /* Start finding ISA boards from module arg */
- for (b = 0; b < MXSER_BOARDS && m < MXSER_BOARDS; b++) {
- int cap;
-
- if (!(cap = ioaddr[b]))
- continue;
-
- retval = mxser_get_ISA_conf(cap, &hwconf);
-
- if (retval != 0)
- printk(KERN_INFO "Found MOXA %s board (CAP=0x%x)\n",
- mxser_brdname[hwconf.board_type - 1], ioaddr[b]);
-
- if (retval <= 0) {
- if (retval == MXSER_ERR_IRQ)
- printk(KERN_ERR "Invalid interrupt number, "
- "board not configured\n");
- else if (retval == MXSER_ERR_IRQ_CONFLIT)
- printk(KERN_ERR "Invalid interrupt number, "
- "board not configured\n");
- else if (retval == MXSER_ERR_VECTOR)
- printk(KERN_ERR "Invalid interrupt vector, "
- "board not configured\n");
- else if (retval == MXSER_ERR_IOADDR)
- printk(KERN_ERR "Invalid I/O address, "
- "board not configured\n");
-
- continue;
- }
-
- hwconf.pciInfo.busNum = 0;
- hwconf.pciInfo.devNum = 0;
- hwconf.pciInfo.pdev = NULL;
-
- mxser_getcfg(m, &hwconf);
- /*
- * init mxsercfg first,
- * or mxsercfg data is not correct on ISR.
- */
- /* mxser_initbrd will hook ISR. */
- if (mxser_initbrd(m, &hwconf) < 0)
- continue;
-
- m++;
- }
-
- /* start finding PCI board here */
-#ifdef CONFIG_PCI
- n = ARRAY_SIZE(mxser_pcibrds) - 1;
- index = 0;
- b = 0;
- while (b < n) {
- pdev = pci_get_device(mxser_pcibrds[b].vendor,
- mxser_pcibrds[b].device, pdev);
- if (pdev == NULL) {
- b++;
- continue;
- }
- hwconf.pciInfo.busNum = busnum = pdev->bus->number;
- hwconf.pciInfo.devNum = devnum = PCI_SLOT(pdev->devfn) << 3;
- hwconf.pciInfo.pdev = pdev;
- printk(KERN_INFO "Found MOXA %s board(BusNo=%d,DevNo=%d)\n",
- mxser_brdname[(int) (mxser_pcibrds[b].driver_data) - 1],
- busnum, devnum >> 3);
- index++;
- if (m >= MXSER_BOARDS)
- printk(KERN_ERR
- "Too many Smartio/Industio family boards find "
- "(maximum %d), board not configured\n",
- MXSER_BOARDS);
- else {
- if (pci_enable_device(pdev)) {
- printk(KERN_ERR "Moxa SmartI/O PCI enable "
- "fail !\n");
- continue;
- }
- retval = mxser_get_PCI_conf(busnum, devnum,
- (int)mxser_pcibrds[b].driver_data,
- &hwconf);
- if (retval < 0) {
- if (retval == MXSER_ERR_IRQ)
- printk(KERN_ERR
- "Invalid interrupt number, "
- "board not configured\n");
- else if (retval == MXSER_ERR_IRQ_CONFLIT)
- printk(KERN_ERR
- "Invalid interrupt number, "
- "board not configured\n");
- else if (retval == MXSER_ERR_VECTOR)
- printk(KERN_ERR
- "Invalid interrupt vector, "
- "board not configured\n");
- else if (retval == MXSER_ERR_IOADDR)
- printk(KERN_ERR
- "Invalid I/O address, "
- "board not configured\n");
- continue;
- }
- mxser_getcfg(m, &hwconf);
- /* init mxsercfg first,
- * or mxsercfg data is not correct on ISR.
- */
- /* mxser_initbrd will hook ISR. */
- if (mxser_initbrd(m, &hwconf) < 0)
- continue;
- m++;
- /* Keep an extra reference if we succeeded. It will
- be returned at unload time */
- pci_dev_get(pdev);
- }
- }
-#endif
-
- retval = tty_register_driver(mxvar_sdriver);
- if (retval) {
- printk(KERN_ERR "Couldn't install MOXA Smartio/Industio family"
- " driver !\n");
- put_tty_driver(mxvar_sdriver);
-
- for (i = 0; i < MXSER_BOARDS; i++) {
- if (mxsercfg[i].board_type == -1)
- continue;
- else {
- free_irq(mxsercfg[i].irq, &mxvar_table[i * MXSER_PORTS_PER_BOARD]);
- /* todo: release io, vector */
- }
- }
- return retval;
- }
-
- return 0;
-}
-
-static void mxser_do_softint(struct work_struct *work)
-{
- struct mxser_struct *info =
- container_of(work, struct mxser_struct, tqueue);
- struct tty_struct *tty;
-
- tty = info->tty;
-
- if (tty) {
- if (test_and_clear_bit(MXSER_EVENT_TXLOW, &info->event))
- tty_wakeup(tty);
- if (test_and_clear_bit(MXSER_EVENT_HANGUP, &info->event))
- tty_hangup(tty);
- }
-}
-
-static unsigned char mxser_get_msr(int baseaddr, int mode, int port, struct mxser_struct *info)
-{
- unsigned char status = 0;
-
- status = inb(baseaddr + UART_MSR);
-
- mxser_msr[port] &= 0x0F;
- mxser_msr[port] |= status;
- status = mxser_msr[port];
- if (mode)
- mxser_msr[port] = 0;
-
- return status;
-}
-
-/*
- * This routine is called whenever a serial port is opened. It
- * enables interrupts for a serial port, linking in its async structure into
- * the IRQ chain. It also performs the serial-specific
- * initialization for the tty structure.
- */
-static int mxser_open(struct tty_struct *tty, struct file *filp)
-{
- struct mxser_struct *info;
- int retval, line;
-
- /* initialize driver_data in case something fails */
- tty->driver_data = NULL;
-
- line = tty->index;
- if (line == MXSER_PORTS)
- return 0;
- if (line < 0 || line > MXSER_PORTS)
- return -ENODEV;
- info = mxvar_table + line;
- if (!info->base)
- return -ENODEV;
-
- tty->driver_data = info;
- info->tty = tty;
- /*
- * Start up serial port
- */
- retval = mxser_startup(info);
- if (retval)
- return retval;
-
- retval = mxser_block_til_ready(tty, filp, info);
- if (retval)
- return retval;
-
- info->count++;
-
- if ((info->count == 1) && (info->flags & ASYNC_SPLIT_TERMIOS)) {
- if (tty->driver->subtype == SERIAL_TYPE_NORMAL)
- *tty->termios = info->normal_termios;
- else
- *tty->termios = info->callout_termios;
- mxser_change_speed(info, NULL);
- }
-
- /*
- status = mxser_get_msr(info->base, 0, info->port);
- mxser_check_modem_status(info, status);
- */
-
- /* unmark here for very high baud rate (ex. 921600 bps) used */
- tty->low_latency = 1;
- return 0;
-}
-
-/*
- * This routine is called when the serial port gets closed. First, we
- * wait for the last remaining data to be sent. Then, we unlink its
- * async structure from the interrupt chain if necessary, and we free
- * that IRQ if nothing is left in the chain.
- */
-static void mxser_close(struct tty_struct *tty, struct file *filp)
-{
- struct mxser_struct *info = tty->driver_data;
-
- unsigned long timeout;
- unsigned long flags;
- struct tty_ldisc *ld;
-
- if (tty->index == MXSER_PORTS)
- return;
- if (!info)
- return;
-
- spin_lock_irqsave(&info->slock, flags);
-
- if (tty_hung_up_p(filp)) {
- spin_unlock_irqrestore(&info->slock, flags);
- return;
- }
- if ((tty->count == 1) && (info->count != 1)) {
- /*
- * Uh, oh. tty->count is 1, which means that the tty
- * structure will be freed. Info->count should always
- * be one in these conditions. If it's greater than
- * one, we've got real problems, since it means the
- * serial port won't be shutdown.
- */
- printk(KERN_ERR "mxser_close: bad serial port count; "
- "tty->count is 1, info->count is %d\n", info->count);
- info->count = 1;
- }
- if (--info->count < 0) {
- printk(KERN_ERR "mxser_close: bad serial port count for "
- "ttys%d: %d\n", info->port, info->count);
- info->count = 0;
- }
- if (info->count) {
- spin_unlock_irqrestore(&info->slock, flags);
- return;
- }
- info->flags |= ASYNC_CLOSING;
- spin_unlock_irqrestore(&info->slock, flags);
- /*
- * Save the termios structure, since this port may have
- * separate termios for callout and dialin.
- */
- if (info->flags & ASYNC_NORMAL_ACTIVE)
- info->normal_termios = *tty->termios;
- /*
- * Now we wait for the transmit buffer to clear; and we notify
- * the line discipline to only process XON/XOFF characters.
- */
- tty->closing = 1;
- if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE)
- tty_wait_until_sent(tty, info->closing_wait);
- /*
- * At this point we stop accepting input. To do this, we
- * disable the receive line status interrupts, and tell the
- * interrupt driver to stop checking the data ready bit in the
- * line status register.
- */
- info->IER &= ~UART_IER_RLSI;
- if (info->IsMoxaMustChipFlag)
- info->IER &= ~MOXA_MUST_RECV_ISR;
-/* by William
- info->read_status_mask &= ~UART_LSR_DR;
-*/
- if (info->flags & ASYNC_INITIALIZED) {
- outb(info->IER, info->base + UART_IER);
- /*
- * Before we drop DTR, make sure the UART transmitter
- * has completely drained; this is especially
- * important if there is a transmit FIFO!
- */
- timeout = jiffies + HZ;
- while (!(inb(info->base + UART_LSR) & UART_LSR_TEMT)) {
- schedule_timeout_interruptible(5);
- if (time_after(jiffies, timeout))
- break;
- }
- }
- mxser_shutdown(info);
-
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
-
- ld = tty_ldisc_ref(tty);
- if (ld) {
- if (ld->flush_buffer)
- ld->flush_buffer(tty);
- tty_ldisc_deref(ld);
- }
-
- tty->closing = 0;
- info->event = 0;
- info->tty = NULL;
- if (info->blocked_open) {
- if (info->close_delay)
- schedule_timeout_interruptible(info->close_delay);
- wake_up_interruptible(&info->open_wait);
- }
-
- info->flags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
- wake_up_interruptible(&info->close_wait);
-
-}
-
-static int mxser_write(struct tty_struct *tty, const unsigned char *buf, int count)
-{
- int c, total = 0;
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- if (!info->xmit_buf)
- return 0;
-
- while (1) {
- c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
- SERIAL_XMIT_SIZE - info->xmit_head));
- if (c <= 0)
- break;
-
- memcpy(info->xmit_buf + info->xmit_head, buf, c);
- spin_lock_irqsave(&info->slock, flags);
- info->xmit_head = (info->xmit_head + c) &
- (SERIAL_XMIT_SIZE - 1);
- info->xmit_cnt += c;
- spin_unlock_irqrestore(&info->slock, flags);
-
- buf += c;
- count -= c;
- total += c;
- }
-
- if (info->xmit_cnt && !tty->stopped && !(info->IER & UART_IER_THRI)) {
- if (!tty->hw_stopped ||
- (info->type == PORT_16550A) ||
- (info->IsMoxaMustChipFlag)) {
- spin_lock_irqsave(&info->slock, flags);
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- spin_unlock_irqrestore(&info->slock, flags);
- }
- }
- return total;
-}
-
-static void mxser_put_char(struct tty_struct *tty, unsigned char ch)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- if (!info->xmit_buf)
- return;
-
- if (info->xmit_cnt >= SERIAL_XMIT_SIZE - 1)
- return;
-
- spin_lock_irqsave(&info->slock, flags);
- info->xmit_buf[info->xmit_head++] = ch;
- info->xmit_head &= SERIAL_XMIT_SIZE - 1;
- info->xmit_cnt++;
- spin_unlock_irqrestore(&info->slock, flags);
- if (!tty->stopped && !(info->IER & UART_IER_THRI)) {
- if (!tty->hw_stopped ||
- (info->type == PORT_16550A) ||
- info->IsMoxaMustChipFlag) {
- spin_lock_irqsave(&info->slock, flags);
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- spin_unlock_irqrestore(&info->slock, flags);
- }
- }
-}
-
-
-static void mxser_flush_chars(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- if (info->xmit_cnt <= 0 ||
- tty->stopped ||
- !info->xmit_buf ||
- (tty->hw_stopped &&
- (info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)
- ))
- return;
-
- spin_lock_irqsave(&info->slock, flags);
-
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
-
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-static int mxser_write_room(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- int ret;
-
- ret = SERIAL_XMIT_SIZE - info->xmit_cnt - 1;
- if (ret < 0)
- ret = 0;
- return ret;
-}
-
-static int mxser_chars_in_buffer(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- return info->xmit_cnt;
-}
-
-static void mxser_flush_buffer(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- char fcr;
- unsigned long flags;
-
-
- spin_lock_irqsave(&info->slock, flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
-
- /* below added by shinhay */
- fcr = inb(info->base + UART_FCR);
- outb((fcr | UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
- info->base + UART_FCR);
- outb(fcr, info->base + UART_FCR);
-
- spin_unlock_irqrestore(&info->slock, flags);
- /* above added by shinhay */
-
- tty_wakeup(tty);
-}
-
-static int mxser_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg)
-{
- struct mxser_struct *info = tty->driver_data;
- int retval;
- struct async_icount cprev, cnow; /* kernel counter temps */
- struct serial_icounter_struct __user *p_cuser;
- unsigned long templ;
- unsigned long flags;
- void __user *argp = (void __user *)arg;
-
- if (tty->index == MXSER_PORTS)
- return mxser_ioctl_special(cmd, argp);
-
- /* following add by Victor Yu. 01-05-2004 */
- if (cmd == MOXA_SET_OP_MODE || cmd == MOXA_GET_OP_MODE) {
- int opmode, p;
- static unsigned char ModeMask[] = { 0xfc, 0xf3, 0xcf, 0x3f };
- int shiftbit;
- unsigned char val, mask;
-
- p = info->port % 4;
- if (cmd == MOXA_SET_OP_MODE) {
- if (get_user(opmode, (int __user *) argp))
- return -EFAULT;
- if (opmode != RS232_MODE &&
- opmode != RS485_2WIRE_MODE &&
- opmode != RS422_MODE &&
- opmode != RS485_4WIRE_MODE)
- return -EFAULT;
- mask = ModeMask[p];
- shiftbit = p * 2;
- val = inb(info->opmode_ioaddr);
- val &= mask;
- val |= (opmode << shiftbit);
- outb(val, info->opmode_ioaddr);
- } else {
- shiftbit = p * 2;
- opmode = inb(info->opmode_ioaddr) >> shiftbit;
- opmode &= OP_MODE_MASK;
- if (copy_to_user(argp, &opmode, sizeof(int)))
- return -EFAULT;
- }
- return 0;
- }
- /* above add by Victor Yu. 01-05-2004 */
-
- if ((cmd != TIOCGSERIAL) && (cmd != TIOCMIWAIT) && (cmd != TIOCGICOUNT)) {
- if (tty->flags & (1 << TTY_IO_ERROR))
- return -EIO;
- }
- switch (cmd) {
- case TCSBRK: /* SVID version: non-zero arg --> no break */
- retval = tty_check_change(tty);
- if (retval)
- return retval;
- tty_wait_until_sent(tty, 0);
- if (!arg)
- mxser_send_break(info, HZ / 4); /* 1/4 second */
- return 0;
- case TCSBRKP: /* support for POSIX tcsendbreak() */
- retval = tty_check_change(tty);
- if (retval)
- return retval;
- tty_wait_until_sent(tty, 0);
- mxser_send_break(info, arg ? arg * (HZ / 10) : HZ / 4);
- return 0;
- case TIOCGSOFTCAR:
- return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *)argp);
- case TIOCSSOFTCAR:
- if (get_user(templ, (unsigned long __user *) argp))
- return -EFAULT;
- arg = templ;
- tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) | (arg ? CLOCAL : 0));
- return 0;
- case TIOCGSERIAL:
- return mxser_get_serial_info(info, argp);
- case TIOCSSERIAL:
- return mxser_set_serial_info(info, argp);
- case TIOCSERGETLSR: /* Get line status register */
- return mxser_get_lsr_info(info, argp);
- /*
- * Wait for any of the 4 modem inputs (DCD,RI,DSR,CTS) to change
- * - mask passed in arg for lines of interest
- * (use |'ed TIOCM_RNG/DSR/CD/CTS for masking)
- * Caller should use TIOCGICOUNT to see which one it was
- */
- case TIOCMIWAIT:
- spin_lock_irqsave(&info->slock, flags);
- cnow = info->icount; /* note the counters on entry */
- spin_unlock_irqrestore(&info->slock, flags);
-
- wait_event_interruptible(info->delta_msr_wait, ({
- cprev = cnow;
- spin_lock_irqsave(&info->slock, flags);
- cnow = info->icount; /* atomic copy */
- spin_unlock_irqrestore(&info->slock, flags);
-
- ((arg & TIOCM_RNG) && (cnow.rng != cprev.rng)) ||
- ((arg & TIOCM_DSR) && (cnow.dsr != cprev.dsr)) ||
- ((arg & TIOCM_CD) && (cnow.dcd != cprev.dcd)) ||
- ((arg & TIOCM_CTS) && (cnow.cts != cprev.cts));
- }));
- break;
- /*
- * Get counter of input serial line interrupts (DCD,RI,DSR,CTS)
- * Return: write counters to the user passed counter struct
- * NB: both 1->0 and 0->1 transitions are counted except for
- * RI where only 0->1 is counted.
- */
- case TIOCGICOUNT:
- spin_lock_irqsave(&info->slock, flags);
- cnow = info->icount;
- spin_unlock_irqrestore(&info->slock, flags);
- p_cuser = argp;
- /* modified by casper 1/11/2000 */
- if (put_user(cnow.frame, &p_cuser->frame))
- return -EFAULT;
- if (put_user(cnow.brk, &p_cuser->brk))
- return -EFAULT;
- if (put_user(cnow.overrun, &p_cuser->overrun))
- return -EFAULT;
- if (put_user(cnow.buf_overrun, &p_cuser->buf_overrun))
- return -EFAULT;
- if (put_user(cnow.parity, &p_cuser->parity))
- return -EFAULT;
- if (put_user(cnow.rx, &p_cuser->rx))
- return -EFAULT;
- if (put_user(cnow.tx, &p_cuser->tx))
- return -EFAULT;
- put_user(cnow.cts, &p_cuser->cts);
- put_user(cnow.dsr, &p_cuser->dsr);
- put_user(cnow.rng, &p_cuser->rng);
- put_user(cnow.dcd, &p_cuser->dcd);
- return 0;
- case MOXA_HighSpeedOn:
- return put_user(info->baud_base != 115200 ? 1 : 0, (int __user *)argp);
- case MOXA_SDS_RSTICOUNTER: {
- info->mon_data.rxcnt = 0;
- info->mon_data.txcnt = 0;
- return 0;
- }
-/* (above) added by James. */
- case MOXA_ASPP_SETBAUD:{
- long baud;
- if (get_user(baud, (long __user *)argp))
- return -EFAULT;
- if (mxser_set_baud(info, baud) == -1)
- return -1;
- return 0;
- }
- case MOXA_ASPP_GETBAUD:
- if (copy_to_user(argp, &info->realbaud, sizeof(long)))
- return -EFAULT;
-
- return 0;
-
- case MOXA_ASPP_OQUEUE:{
- int len, lsr;
-
- len = mxser_chars_in_buffer(tty);
-
- lsr = inb(info->base + UART_LSR) & UART_LSR_TEMT;
-
- len += (lsr ? 0 : 1);
-
- if (copy_to_user(argp, &len, sizeof(int)))
- return -EFAULT;
-
- return 0;
- }
- case MOXA_ASPP_MON: {
- int mcr, status;
-
- /* info->mon_data.ser_param = tty->termios->c_cflag; */
-
- status = mxser_get_msr(info->base, 1, info->port, info);
- mxser_check_modem_status(info, status);
-
- mcr = inb(info->base + UART_MCR);
- if (mcr & MOXA_MUST_MCR_XON_FLAG)
- info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFHOLD;
- else
- info->mon_data.hold_reason |= NPPI_NOTIFY_XOFFHOLD;
-
- if (mcr & MOXA_MUST_MCR_TX_XON)
- info->mon_data.hold_reason &= ~NPPI_NOTIFY_XOFFXENT;
- else
- info->mon_data.hold_reason |= NPPI_NOTIFY_XOFFXENT;
-
- if (info->tty->hw_stopped)
- info->mon_data.hold_reason |= NPPI_NOTIFY_CTSHOLD;
- else
- info->mon_data.hold_reason &= ~NPPI_NOTIFY_CTSHOLD;
-
- if (copy_to_user(argp, &info->mon_data,
- sizeof(struct mxser_mon)))
- return -EFAULT;
-
- return 0;
- }
-
- case MOXA_ASPP_LSTATUS: {
- if (copy_to_user(argp, &info->err_shadow,
- sizeof(unsigned char)))
- return -EFAULT;
-
- info->err_shadow = 0;
- return 0;
- }
- case MOXA_SET_BAUD_METHOD: {
- int method;
-
- if (get_user(method, (int __user *)argp))
- return -EFAULT;
- mxser_set_baud_method[info->port] = method;
- if (copy_to_user(argp, &method, sizeof(int)))
- return -EFAULT;
-
- return 0;
- }
- default:
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
-#ifndef CMSPAR
-#define CMSPAR 010000000000
-#endif
-
-static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
-{
- int i, result, status;
-
- switch (cmd) {
- case MOXA_GET_CONF:
- if (copy_to_user(argp, mxsercfg,
- sizeof(struct mxser_hwconf) * 4))
- return -EFAULT;
- return 0;
- case MOXA_GET_MAJOR:
- if (copy_to_user(argp, &ttymajor, sizeof(int)))
- return -EFAULT;
- return 0;
-
- case MOXA_GET_CUMAJOR:
- if (copy_to_user(argp, &calloutmajor, sizeof(int)))
- return -EFAULT;
- return 0;
-
- case MOXA_CHKPORTENABLE:
- result = 0;
- for (i = 0; i < MXSER_PORTS; i++) {
- if (mxvar_table[i].base)
- result |= (1 << i);
- }
- return put_user(result, (unsigned long __user *)argp);
- case MOXA_GETDATACOUNT:
- if (copy_to_user(argp, &mxvar_log, sizeof(mxvar_log)))
- return -EFAULT;
- return 0;
- case MOXA_GETMSTATUS:
- for (i = 0; i < MXSER_PORTS; i++) {
- GMStatus[i].ri = 0;
- if (!mxvar_table[i].base) {
- GMStatus[i].dcd = 0;
- GMStatus[i].dsr = 0;
- GMStatus[i].cts = 0;
- continue;
- }
-
- if (!mxvar_table[i].tty || !mxvar_table[i].tty->termios)
- GMStatus[i].cflag = mxvar_table[i].normal_termios.c_cflag;
- else
- GMStatus[i].cflag = mxvar_table[i].tty->termios->c_cflag;
-
- status = inb(mxvar_table[i].base + UART_MSR);
- if (status & 0x80 /*UART_MSR_DCD */ )
- GMStatus[i].dcd = 1;
- else
- GMStatus[i].dcd = 0;
-
- if (status & 0x20 /*UART_MSR_DSR */ )
- GMStatus[i].dsr = 1;
- else
- GMStatus[i].dsr = 0;
-
-
- if (status & 0x10 /*UART_MSR_CTS */ )
- GMStatus[i].cts = 1;
- else
- GMStatus[i].cts = 0;
- }
- if (copy_to_user(argp, GMStatus,
- sizeof(struct mxser_mstatus) * MXSER_PORTS))
- return -EFAULT;
- return 0;
- case MOXA_ASPP_MON_EXT: {
- int status;
- int opmode, p;
- int shiftbit;
- unsigned cflag, iflag;
-
- for (i = 0; i < MXSER_PORTS; i++) {
- if (!mxvar_table[i].base)
- continue;
-
- status = mxser_get_msr(mxvar_table[i].base, 0,
- i, &(mxvar_table[i]));
- /*
- mxser_check_modem_status(&mxvar_table[i],
- status);
- */
- if (status & UART_MSR_TERI)
- mxvar_table[i].icount.rng++;
- if (status & UART_MSR_DDSR)
- mxvar_table[i].icount.dsr++;
- if (status & UART_MSR_DDCD)
- mxvar_table[i].icount.dcd++;
- if (status & UART_MSR_DCTS)
- mxvar_table[i].icount.cts++;
-
- mxvar_table[i].mon_data.modem_status = status;
- mon_data_ext.rx_cnt[i] = mxvar_table[i].mon_data.rxcnt;
- mon_data_ext.tx_cnt[i] = mxvar_table[i].mon_data.txcnt;
- mon_data_ext.up_rxcnt[i] = mxvar_table[i].mon_data.up_rxcnt;
- mon_data_ext.up_txcnt[i] = mxvar_table[i].mon_data.up_txcnt;
- mon_data_ext.modem_status[i] = mxvar_table[i].mon_data.modem_status;
- mon_data_ext.baudrate[i] = mxvar_table[i].realbaud;
-
- if (!mxvar_table[i].tty || !mxvar_table[i].tty->termios) {
- cflag = mxvar_table[i].normal_termios.c_cflag;
- iflag = mxvar_table[i].normal_termios.c_iflag;
- } else {
- cflag = mxvar_table[i].tty->termios->c_cflag;
- iflag = mxvar_table[i].tty->termios->c_iflag;
- }
-
- mon_data_ext.databits[i] = cflag & CSIZE;
-
- mon_data_ext.stopbits[i] = cflag & CSTOPB;
-
- mon_data_ext.parity[i] = cflag & (PARENB | PARODD | CMSPAR);
-
- mon_data_ext.flowctrl[i] = 0x00;
-
- if (cflag & CRTSCTS)
- mon_data_ext.flowctrl[i] |= 0x03;
-
- if (iflag & (IXON | IXOFF))
- mon_data_ext.flowctrl[i] |= 0x0C;
-
- if (mxvar_table[i].type == PORT_16550A)
- mon_data_ext.fifo[i] = 1;
- else
- mon_data_ext.fifo[i] = 0;
-
- p = i % 4;
- shiftbit = p * 2;
- opmode = inb(mxvar_table[i].opmode_ioaddr) >> shiftbit;
- opmode &= OP_MODE_MASK;
-
- mon_data_ext.iftype[i] = opmode;
-
- }
- if (copy_to_user(argp, &mon_data_ext, sizeof(struct mxser_mon_ext)))
- return -EFAULT;
-
- return 0;
-
- }
- default:
- return -ENOIOCTLCMD;
- }
- return 0;
-}
-
-static void mxser_stoprx(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- /* unsigned long flags; */
-
- info->ldisc_stop_rx = 1;
- if (I_IXOFF(tty)) {
- /* MX_LOCK(&info->slock); */
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
- info->IER &= ~MOXA_MUST_RECV_ISR;
- outb(info->IER, info->base + UART_IER);
- } else {
- /* above add by Victor Yu. 09-02-2002 */
- info->x_char = STOP_CHAR(tty);
- /* mask by Victor Yu. 09-02-2002 */
- /* outb(info->IER, 0); */
- outb(0, info->base + UART_IER);
- info->IER |= UART_IER_THRI;
- /* force Tx interrupt */
- outb(info->IER, info->base + UART_IER);
- } /* add by Victor Yu. 09-02-2002 */
- /* MX_UNLOCK(&info->slock); */
- }
-
- if (info->tty->termios->c_cflag & CRTSCTS) {
- /* MX_LOCK(&info->slock); */
- info->MCR &= ~UART_MCR_RTS;
- outb(info->MCR, info->base + UART_MCR);
- /* MX_UNLOCK(&info->slock); */
- }
-}
-
-static void mxser_startrx(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- /* unsigned long flags; */
-
- info->ldisc_stop_rx = 0;
- if (I_IXOFF(tty)) {
- if (info->x_char)
- info->x_char = 0;
- else {
- /* MX_LOCK(&info->slock); */
-
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
- info->IER |= MOXA_MUST_RECV_ISR;
- outb(info->IER, info->base + UART_IER);
- } else {
- /* above add by Victor Yu. 09-02-2002 */
-
- info->x_char = START_CHAR(tty);
- /* mask by Victor Yu. 09-02-2002 */
- /* outb(info->IER, 0); */
- /* add by Victor Yu. 09-02-2002 */
- outb(0, info->base + UART_IER);
- /* force Tx interrupt */
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- } /* add by Victor Yu. 09-02-2002 */
- /* MX_UNLOCK(&info->slock); */
- }
- }
-
- if (info->tty->termios->c_cflag & CRTSCTS) {
- /* MX_LOCK(&info->slock); */
- info->MCR |= UART_MCR_RTS;
- outb(info->MCR, info->base + UART_MCR);
- /* MX_UNLOCK(&info->slock); */
- }
-}
-
-/*
- * This routine is called by the upper-layer tty layer to signal that
- * incoming characters should be throttled.
- */
-static void mxser_throttle(struct tty_struct *tty)
-{
- /* struct mxser_struct *info = tty->driver_data; */
- /* unsigned long flags; */
-
- /* MX_LOCK(&info->slock); */
- mxser_stoprx(tty);
- /* MX_UNLOCK(&info->slock); */
-}
-
-static void mxser_unthrottle(struct tty_struct *tty)
-{
- /* struct mxser_struct *info = tty->driver_data; */
- /* unsigned long flags; */
-
- /* MX_LOCK(&info->slock); */
- mxser_startrx(tty);
- /* MX_UNLOCK(&info->slock); */
-}
-
-static void mxser_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- mxser_change_speed(info, old_termios);
-
- if ((old_termios->c_cflag & CRTSCTS) &&
- !(tty->termios->c_cflag & CRTSCTS)) {
- tty->hw_stopped = 0;
- mxser_start(tty);
- }
-
-/* Handle sw stopped */
- if ((old_termios->c_iflag & IXON) &&
- !(tty->termios->c_iflag & IXON)) {
- tty->stopped = 0;
-
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
- spin_lock_irqsave(&info->slock, flags);
- DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
- spin_unlock_irqrestore(&info->slock, flags);
- }
- /* above add by Victor Yu. 09-02-2002 */
-
- mxser_start(tty);
- }
-}
-
-/*
- * mxser_stop() and mxser_start()
- *
- * This routines are called before setting or resetting tty->stopped.
- * They enable or disable transmitter interrupts, as necessary.
- */
-static void mxser_stop(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- spin_lock_irqsave(&info->slock, flags);
- if (info->IER & UART_IER_THRI) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-static void mxser_start(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- spin_lock_irqsave(&info->slock, flags);
- if (info->xmit_cnt && info->xmit_buf && !(info->IER & UART_IER_THRI)) {
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-/*
- * mxser_wait_until_sent() --- wait until the transmitter is empty
- */
-static void mxser_wait_until_sent(struct tty_struct *tty, int timeout)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long orig_jiffies, char_time;
- int lsr;
-
- if (info->type == PORT_UNKNOWN)
- return;
-
- if (info->xmit_fifo_size == 0)
- return; /* Just in case.... */
-
- orig_jiffies = jiffies;
- /*
- * Set the check interval to be 1/5 of the estimated time to
- * send a single character, and make it at least 1. The check
- * interval should also be less than the timeout.
- *
- * Note: we have to use pretty tight timings here to satisfy
- * the NIST-PCTS.
- */
- char_time = (info->timeout - HZ / 50) / info->xmit_fifo_size;
- char_time = char_time / 5;
- if (char_time == 0)
- char_time = 1;
- if (timeout && timeout < char_time)
- char_time = timeout;
- /*
- * If the transmitter hasn't cleared in twice the approximate
- * amount of time to send the entire FIFO, it probably won't
- * ever clear. This assumes the UART isn't doing flow
- * control, which is currently the case. Hence, if it ever
- * takes longer than info->timeout, this is probably due to a
- * UART bug of some kind. So, we clamp the timeout parameter at
- * 2*info->timeout.
- */
- if (!timeout || timeout > 2 * info->timeout)
- timeout = 2 * info->timeout;
-#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
- printk(KERN_DEBUG "In rs_wait_until_sent(%d) check=%lu...",
- timeout, char_time);
- printk("jiff=%lu...", jiffies);
-#endif
- while (!((lsr = inb(info->base + UART_LSR)) & UART_LSR_TEMT)) {
-#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
- printk("lsr = %d (jiff=%lu)...", lsr, jiffies);
-#endif
- schedule_timeout_interruptible(char_time);
- if (signal_pending(current))
- break;
- if (timeout && time_after(jiffies, orig_jiffies + timeout))
- break;
- }
- set_current_state(TASK_RUNNING);
-
-#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
- printk("lsr = %d (jiff=%lu)...done\n", lsr, jiffies);
-#endif
-}
-
-
-/*
- * This routine is called by tty_hangup() when a hangup is signaled.
- */
-void mxser_hangup(struct tty_struct *tty)
-{
- struct mxser_struct *info = tty->driver_data;
-
- mxser_flush_buffer(tty);
- mxser_shutdown(info);
- info->event = 0;
- info->count = 0;
- info->flags &= ~ASYNC_NORMAL_ACTIVE;
- info->tty = NULL;
- wake_up_interruptible(&info->open_wait);
-}
-
-
-/* added by James 03-12-2004. */
-/*
- * mxser_rs_break() --- routine which turns the break handling on or off
- */
-static void mxser_rs_break(struct tty_struct *tty, int break_state)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
- spin_lock_irqsave(&info->slock, flags);
- if (break_state == -1)
- outb(inb(info->base + UART_LCR) | UART_LCR_SBC,
- info->base + UART_LCR);
- else
- outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC,
- info->base + UART_LCR);
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-/* (above) added by James. */
-
-
-/*
- * This is the serial driver's generic interrupt routine
- */
-static irqreturn_t mxser_interrupt(int irq, void *dev_id)
-{
- int status, iir, i;
- struct mxser_struct *info;
- struct mxser_struct *port;
- int max, irqbits, bits, msr;
- int pass_counter = 0;
- int handled = IRQ_NONE;
-
- port = NULL;
- /* spin_lock(&gm_lock); */
-
- for (i = 0; i < MXSER_BOARDS; i++) {
- if (dev_id == &(mxvar_table[i * MXSER_PORTS_PER_BOARD])) {
- port = dev_id;
- break;
- }
- }
-
- if (i == MXSER_BOARDS)
- goto irq_stop;
- if (port == 0)
- goto irq_stop;
- max = mxser_numports[mxsercfg[i].board_type - 1];
- while (1) {
- irqbits = inb(port->vector) & port->vectormask;
- if (irqbits == port->vectormask)
- break;
-
- handled = IRQ_HANDLED;
- for (i = 0, bits = 1; i < max; i++, irqbits |= bits, bits <<= 1) {
- if (irqbits == port->vectormask)
- break;
- if (bits & irqbits)
- continue;
- info = port + i;
-
- /* following add by Victor Yu. 09-13-2002 */
- iir = inb(info->base + UART_IIR);
- if (iir & UART_IIR_NO_INT)
- continue;
- iir &= MOXA_MUST_IIR_MASK;
- if (!info->tty) {
- status = inb(info->base + UART_LSR);
- outb(0x27, info->base + UART_FCR);
- inb(info->base + UART_MSR);
- continue;
- }
-
- /* mask by Victor Yu. 09-13-2002
- if ( !info->tty ||
- (inb(info->base + UART_IIR) & UART_IIR_NO_INT) )
- continue;
- */
- /* mask by Victor Yu. 09-02-2002
- status = inb(info->base + UART_LSR) & info->read_status_mask;
- */
-
- /* following add by Victor Yu. 09-02-2002 */
- status = inb(info->base + UART_LSR);
-
- if (status & UART_LSR_PE)
- info->err_shadow |= NPPI_NOTIFY_PARITY;
- if (status & UART_LSR_FE)
- info->err_shadow |= NPPI_NOTIFY_FRAMING;
- if (status & UART_LSR_OE)
- info->err_shadow |= NPPI_NOTIFY_HW_OVERRUN;
- if (status & UART_LSR_BI)
- info->err_shadow |= NPPI_NOTIFY_BREAK;
-
- if (info->IsMoxaMustChipFlag) {
- /*
- if ( (status & 0x02) && !(status & 0x01) ) {
- outb(info->base+UART_FCR, 0x23);
- continue;
- }
- */
- if (iir == MOXA_MUST_IIR_GDA ||
- iir == MOXA_MUST_IIR_RDA ||
- iir == MOXA_MUST_IIR_RTO ||
- iir == MOXA_MUST_IIR_LSR)
- mxser_receive_chars(info, &status);
-
- } else {
- /* above add by Victor Yu. 09-02-2002 */
-
- status &= info->read_status_mask;
- if (status & UART_LSR_DR)
- mxser_receive_chars(info, &status);
- }
- msr = inb(info->base + UART_MSR);
- if (msr & UART_MSR_ANY_DELTA) {
- mxser_check_modem_status(info, msr);
- }
- /* following add by Victor Yu. 09-13-2002 */
- if (info->IsMoxaMustChipFlag) {
- if ((iir == 0x02) && (status & UART_LSR_THRE)) {
- mxser_transmit_chars(info);
- }
- } else {
- /* above add by Victor Yu. 09-13-2002 */
-
- if (status & UART_LSR_THRE) {
-/* 8-2-99 by William
- if ( info->x_char || (info->xmit_cnt > 0) )
-*/
- mxser_transmit_chars(info);
- }
- }
- }
- if (pass_counter++ > MXSER_ISR_PASS_LIMIT) {
- break; /* Prevent infinite loops */
- }
- }
-
- irq_stop:
- /* spin_unlock(&gm_lock); */
- return handled;
-}
-
-static void mxser_receive_chars(struct mxser_struct *info, int *status)
-{
- struct tty_struct *tty = info->tty;
- unsigned char ch, gdl;
- int ignored = 0;
- int cnt = 0;
- int recv_room;
- int max = 256;
- unsigned long flags;
-
- spin_lock_irqsave(&info->slock, flags);
-
- recv_room = tty->receive_room;
- if ((recv_room == 0) && (!info->ldisc_stop_rx)) {
- /* mxser_throttle(tty); */
- mxser_stoprx(tty);
- /* return; */
- }
-
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag != MOXA_OTHER_UART) {
-
- if (*status & UART_LSR_SPECIAL) {
- goto intr_old;
- }
- /* following add by Victor Yu. 02-11-2004 */
- if (info->IsMoxaMustChipFlag == MOXA_MUST_MU860_HWID &&
- (*status & MOXA_MUST_LSR_RERR))
- goto intr_old;
- /* above add by Victor Yu. 02-14-2004 */
- if (*status & MOXA_MUST_LSR_RERR)
- goto intr_old;
-
- gdl = inb(info->base + MOXA_MUST_GDL_REGISTER);
-
- /* add by Victor Yu. 02-11-2004 */
- if (info->IsMoxaMustChipFlag == MOXA_MUST_MU150_HWID)
- gdl &= MOXA_MUST_GDL_MASK;
- if (gdl >= recv_room) {
- if (!info->ldisc_stop_rx) {
- /* mxser_throttle(tty); */
- mxser_stoprx(tty);
- }
- /* return; */
- }
- while (gdl--) {
- ch = inb(info->base + UART_RX);
- tty_insert_flip_char(tty, ch, 0);
- cnt++;
- /*
- if ((cnt >= HI_WATER) && (info->stop_rx == 0)) {
- mxser_stoprx(tty);
- info->stop_rx = 1;
- break;
- } */
- }
- goto end_intr;
- }
- intr_old:
- /* above add by Victor Yu. 09-02-2002 */
-
- do {
- if (max-- < 0)
- break;
- /*
- if ((cnt >= HI_WATER) && (info->stop_rx == 0)) {
- mxser_stoprx(tty);
- info->stop_rx=1;
- break;
- }
- */
-
- ch = inb(info->base + UART_RX);
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag && (*status & UART_LSR_OE) /*&& !(*status&UART_LSR_DR) */ )
- outb(0x23, info->base + UART_FCR);
- *status &= info->read_status_mask;
- /* above add by Victor Yu. 09-02-2002 */
- if (*status & info->ignore_status_mask) {
- if (++ignored > 100)
- break;
- } else {
- char flag = 0;
- if (*status & UART_LSR_SPECIAL) {
- if (*status & UART_LSR_BI) {
- flag = TTY_BREAK;
-/* added by casper 1/11/2000 */
- info->icount.brk++;
-/* */
- if (info->flags & ASYNC_SAK)
- do_SAK(tty);
- } else if (*status & UART_LSR_PE) {
- flag = TTY_PARITY;
-/* added by casper 1/11/2000 */
- info->icount.parity++;
-/* */
- } else if (*status & UART_LSR_FE) {
- flag = TTY_FRAME;
-/* added by casper 1/11/2000 */
- info->icount.frame++;
-/* */
- } else if (*status & UART_LSR_OE) {
- flag = TTY_OVERRUN;
-/* added by casper 1/11/2000 */
- info->icount.overrun++;
-/* */
- }
- }
- tty_insert_flip_char(tty, ch, flag);
- cnt++;
- if (cnt >= recv_room) {
- if (!info->ldisc_stop_rx) {
- /* mxser_throttle(tty); */
- mxser_stoprx(tty);
- }
- break;
- }
-
- }
-
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag)
- break;
- /* above add by Victor Yu. 09-02-2002 */
-
- /* mask by Victor Yu. 09-02-2002
- *status = inb(info->base + UART_LSR) & info->read_status_mask;
- */
- /* following add by Victor Yu. 09-02-2002 */
- *status = inb(info->base + UART_LSR);
- /* above add by Victor Yu. 09-02-2002 */
- } while (*status & UART_LSR_DR);
-
-end_intr: /* add by Victor Yu. 09-02-2002 */
- mxvar_log.rxcnt[info->port] += cnt;
- info->mon_data.rxcnt += cnt;
- info->mon_data.up_rxcnt += cnt;
- spin_unlock_irqrestore(&info->slock, flags);
-
- tty_flip_buffer_push(tty);
-}
-
-static void mxser_transmit_chars(struct mxser_struct *info)
-{
- int count, cnt;
- unsigned long flags;
-
- spin_lock_irqsave(&info->slock, flags);
-
- if (info->x_char) {
- outb(info->x_char, info->base + UART_TX);
- info->x_char = 0;
- mxvar_log.txcnt[info->port]++;
- info->mon_data.txcnt++;
- info->mon_data.up_txcnt++;
-
-/* added by casper 1/11/2000 */
- info->icount.tx++;
-/* */
- spin_unlock_irqrestore(&info->slock, flags);
- return;
- }
-
- if (info->xmit_buf == 0) {
- spin_unlock_irqrestore(&info->slock, flags);
- return;
- }
-
- if ((info->xmit_cnt <= 0) || info->tty->stopped ||
- (info->tty->hw_stopped &&
- (info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag))) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- spin_unlock_irqrestore(&info->slock, flags);
- return;
- }
-
- cnt = info->xmit_cnt;
- count = info->xmit_fifo_size;
- do {
- outb(info->xmit_buf[info->xmit_tail++],
- info->base + UART_TX);
- info->xmit_tail = info->xmit_tail & (SERIAL_XMIT_SIZE - 1);
- if (--info->xmit_cnt <= 0)
- break;
- } while (--count > 0);
- mxvar_log.txcnt[info->port] += (cnt - info->xmit_cnt);
-
-/* added by James 03-12-2004. */
- info->mon_data.txcnt += (cnt - info->xmit_cnt);
- info->mon_data.up_txcnt += (cnt - info->xmit_cnt);
-/* (above) added by James. */
-
-/* added by casper 1/11/2000 */
- info->icount.tx += (cnt - info->xmit_cnt);
-/* */
-
- if (info->xmit_cnt < WAKEUP_CHARS) {
- set_bit(MXSER_EVENT_TXLOW, &info->event);
- schedule_work(&info->tqueue);
- }
- if (info->xmit_cnt <= 0) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-static void mxser_check_modem_status(struct mxser_struct *info, int status)
-{
- /* update input line counters */
- if (status & UART_MSR_TERI)
- info->icount.rng++;
- if (status & UART_MSR_DDSR)
- info->icount.dsr++;
- if (status & UART_MSR_DDCD)
- info->icount.dcd++;
- if (status & UART_MSR_DCTS)
- info->icount.cts++;
- info->mon_data.modem_status = status;
- wake_up_interruptible(&info->delta_msr_wait);
-
- if ((info->flags & ASYNC_CHECK_CD) && (status & UART_MSR_DDCD)) {
- if (status & UART_MSR_DCD)
- wake_up_interruptible(&info->open_wait);
- schedule_work(&info->tqueue);
- }
-
- if (info->flags & ASYNC_CTS_FLOW) {
- if (info->tty->hw_stopped) {
- if (status & UART_MSR_CTS) {
- info->tty->hw_stopped = 0;
-
- if ((info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)) {
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- set_bit(MXSER_EVENT_TXLOW, &info->event);
- schedule_work(&info->tqueue); }
- } else {
- if (!(status & UART_MSR_CTS)) {
- info->tty->hw_stopped = 1;
- if ((info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- }
- }
- }
-}
-
-static int mxser_block_til_ready(struct tty_struct *tty, struct file *filp, struct mxser_struct *info)
-{
- DECLARE_WAITQUEUE(wait, current);
- int retval;
- int do_clocal = 0;
- unsigned long flags;
-
- /*
- * If non-blocking mode is set, or the port is not enabled,
- * then make the check up front and then exit.
- */
- if ((filp->f_flags & O_NONBLOCK) || (tty->flags & (1 << TTY_IO_ERROR))) {
- info->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
- }
-
- if (tty->termios->c_cflag & CLOCAL)
- do_clocal = 1;
-
- /*
- * Block waiting for the carrier detect and the line to become
- * free (i.e., not in use by the callout). While we are in
- * this loop, info->count is dropped by one, so that
- * mxser_close() knows when to free things. We restore it upon
- * exit, either normal or abnormal.
- */
- retval = 0;
- add_wait_queue(&info->open_wait, &wait);
-
- spin_lock_irqsave(&info->slock, flags);
- if (!tty_hung_up_p(filp))
- info->count--;
- spin_unlock_irqrestore(&info->slock, flags);
- info->blocked_open++;
- while (1) {
- spin_lock_irqsave(&info->slock, flags);
- outb(inb(info->base + UART_MCR) |
- UART_MCR_DTR | UART_MCR_RTS, info->base + UART_MCR);
- spin_unlock_irqrestore(&info->slock, flags);
- set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)) {
- if (info->flags & ASYNC_HUP_NOTIFY)
- retval = -EAGAIN;
- else
- retval = -ERESTARTSYS;
- break;
- }
- if (!(info->flags & ASYNC_CLOSING) &&
- (do_clocal ||
- (inb(info->base + UART_MSR) & UART_MSR_DCD)))
- break;
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
- schedule();
- }
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->open_wait, &wait);
- if (!tty_hung_up_p(filp))
- info->count++;
- info->blocked_open--;
- if (retval)
- return retval;
- info->flags |= ASYNC_NORMAL_ACTIVE;
- return 0;
-}
-
-static int mxser_startup(struct mxser_struct *info)
-{
- unsigned long page;
- unsigned long flags;
-
- page = __get_free_page(GFP_KERNEL);
- if (!page)
- return -ENOMEM;
-
- spin_lock_irqsave(&info->slock, flags);
-
- if (info->flags & ASYNC_INITIALIZED) {
- free_page(page);
- spin_unlock_irqrestore(&info->slock, flags);
- return 0;
- }
-
- if (!info->base || !info->type) {
- if (info->tty)
- set_bit(TTY_IO_ERROR, &info->tty->flags);
- free_page(page);
- spin_unlock_irqrestore(&info->slock, flags);
- return 0;
- }
- if (info->xmit_buf)
- free_page(page);
- else
- info->xmit_buf = (unsigned char *) page;
-
- /*
- * Clear the FIFO buffers and disable them
- * (they will be reenabled in mxser_change_speed())
- */
- if (info->IsMoxaMustChipFlag)
- outb((UART_FCR_CLEAR_RCVR |
- UART_FCR_CLEAR_XMIT |
- MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
- else
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
- info->base + UART_FCR);
-
- /*
- * At this point there's no way the LSR could still be 0xFF;
- * if it is, then bail out, because there's likely no UART
- * here.
- */
- if (inb(info->base + UART_LSR) == 0xff) {
- spin_unlock_irqrestore(&info->slock, flags);
- if (capable(CAP_SYS_ADMIN)) {
- if (info->tty)
- set_bit(TTY_IO_ERROR, &info->tty->flags);
- return 0;
- } else
- return -ENODEV;
- }
-
- /*
- * Clear the interrupt registers.
- */
- (void) inb(info->base + UART_LSR);
- (void) inb(info->base + UART_RX);
- (void) inb(info->base + UART_IIR);
- (void) inb(info->base + UART_MSR);
-
- /*
- * Now, initialize the UART
- */
- outb(UART_LCR_WLEN8, info->base + UART_LCR); /* reset DLAB */
- info->MCR = UART_MCR_DTR | UART_MCR_RTS;
- outb(info->MCR, info->base + UART_MCR);
-
- /*
- * Finally, enable interrupts
- */
- info->IER = UART_IER_MSI | UART_IER_RLSI | UART_IER_RDI;
- /* info->IER = UART_IER_RLSI | UART_IER_RDI; */
-
- /* following add by Victor Yu. 08-30-2002 */
- if (info->IsMoxaMustChipFlag)
- info->IER |= MOXA_MUST_IER_EGDAI;
- /* above add by Victor Yu. 08-30-2002 */
- outb(info->IER, info->base + UART_IER); /* enable interrupts */
-
- /*
- * And clear the interrupt registers again for luck.
- */
- (void) inb(info->base + UART_LSR);
- (void) inb(info->base + UART_RX);
- (void) inb(info->base + UART_IIR);
- (void) inb(info->base + UART_MSR);
-
- if (info->tty)
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
- info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
-
- /*
- * and set the speed of the serial port
- */
- spin_unlock_irqrestore(&info->slock, flags);
- mxser_change_speed(info, NULL);
-
- info->flags |= ASYNC_INITIALIZED;
- return 0;
-}
-
-/*
- * This routine will shutdown a serial port; interrupts maybe disabled, and
- * DTR is dropped if the hangup on close termio flag is on.
- */
-static void mxser_shutdown(struct mxser_struct *info)
-{
- unsigned long flags;
-
- if (!(info->flags & ASYNC_INITIALIZED))
- return;
-
- spin_lock_irqsave(&info->slock, flags);
-
- /*
- * clear delta_msr_wait queue to avoid mem leaks: we may free the irq
- * here so the queue might never be waken up
- */
- wake_up_interruptible(&info->delta_msr_wait);
-
- /*
- * Free the IRQ, if necessary
- */
- if (info->xmit_buf) {
- free_page((unsigned long) info->xmit_buf);
- info->xmit_buf = NULL;
- }
-
- info->IER = 0;
- outb(0x00, info->base + UART_IER);
-
- if (!info->tty || (info->tty->termios->c_cflag & HUPCL))
- info->MCR &= ~(UART_MCR_DTR | UART_MCR_RTS);
- outb(info->MCR, info->base + UART_MCR);
-
- /* clear Rx/Tx FIFO's */
- /* following add by Victor Yu. 08-30-2002 */
- if (info->IsMoxaMustChipFlag)
- outb((UART_FCR_CLEAR_RCVR |
- UART_FCR_CLEAR_XMIT |
- MOXA_MUST_FCR_GDA_MODE_ENABLE), info->base + UART_FCR);
- else
- /* above add by Victor Yu. 08-30-2002 */
- outb((UART_FCR_CLEAR_RCVR | UART_FCR_CLEAR_XMIT),
- info->base + UART_FCR);
-
- /* read data port to reset things */
- (void) inb(info->base + UART_RX);
-
- if (info->tty)
- set_bit(TTY_IO_ERROR, &info->tty->flags);
-
- info->flags &= ~ASYNC_INITIALIZED;
-
- /* following add by Victor Yu. 09-23-2002 */
- if (info->IsMoxaMustChipFlag)
- SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(info->base);
- /* above add by Victor Yu. 09-23-2002 */
-
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-/*
- * This routine is called to set the UART divisor registers to match
- * the specified baud rate for a serial port.
- */
-static int mxser_change_speed(struct mxser_struct *info, struct ktermios *old_termios)
-{
- unsigned cflag, cval, fcr;
- int ret = 0;
- unsigned char status;
- long baud;
- unsigned long flags;
-
- if (!info->tty || !info->tty->termios)
- return ret;
- cflag = info->tty->termios->c_cflag;
- if (!(info->base))
- return ret;
-
-#ifndef B921600
-#define B921600 (B460800 +1)
-#endif
- if (mxser_set_baud_method[info->port] == 0) {
- baud = tty_get_baud_rate(info->tty);
- if (mxser_set_baud(info, baud) == -1) {
- /* Use previous rate on a failure */
- if (old_termios) {
- baud = tty_termios_baud_rate(old_termios);
- tty_encode_baud_rate(info->tty, baud, baud);
- }
- }
- }
-
- /* byte size and parity */
- switch (cflag & CSIZE) {
- case CS5:
- cval = 0x00;
- break;
- case CS6:
- cval = 0x01;
- break;
- case CS7:
- cval = 0x02;
- break;
- case CS8:
- cval = 0x03;
- break;
- default:
- cval = 0x00;
- break; /* too keep GCC shut... */
- }
- if (cflag & CSTOPB)
- cval |= 0x04;
- if (cflag & PARENB)
- cval |= UART_LCR_PARITY;
- if (!(cflag & PARODD))
- cval |= UART_LCR_EPAR;
- if (cflag & CMSPAR)
- cval |= UART_LCR_SPAR;
-
- if ((info->type == PORT_8250) || (info->type == PORT_16450)) {
- if (info->IsMoxaMustChipFlag) {
- fcr = UART_FCR_ENABLE_FIFO;
- fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
- SET_MOXA_MUST_FIFO_VALUE(info);
- } else
- fcr = 0;
- } else {
- fcr = UART_FCR_ENABLE_FIFO;
- /* following add by Victor Yu. 08-30-2002 */
- if (info->IsMoxaMustChipFlag) {
- fcr |= MOXA_MUST_FCR_GDA_MODE_ENABLE;
- SET_MOXA_MUST_FIFO_VALUE(info);
- } else {
- /* above add by Victor Yu. 08-30-2002 */
- switch (info->rx_trigger) {
- case 1:
- fcr |= UART_FCR_TRIGGER_1;
- break;
- case 4:
- fcr |= UART_FCR_TRIGGER_4;
- break;
- case 8:
- fcr |= UART_FCR_TRIGGER_8;
- break;
- default:
- fcr |= UART_FCR_TRIGGER_14;
- break;
- }
- }
- }
-
- /* CTS flow control flag and modem status interrupts */
- info->IER &= ~UART_IER_MSI;
- info->MCR &= ~UART_MCR_AFE;
- if (cflag & CRTSCTS) {
- info->flags |= ASYNC_CTS_FLOW;
- info->IER |= UART_IER_MSI;
- if ((info->type == PORT_16550A) || (info->IsMoxaMustChipFlag)) {
- info->MCR |= UART_MCR_AFE;
- } else {
- status = inb(info->base + UART_MSR);
- if (info->tty->hw_stopped) {
- if (status & UART_MSR_CTS) {
- info->tty->hw_stopped = 0;
- if ((info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)) {
- info->IER |= UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- set_bit(MXSER_EVENT_TXLOW, &info->event);
- schedule_work(&info->tqueue); }
- } else {
- if (!(status & UART_MSR_CTS)) {
- info->tty->hw_stopped = 1;
- if ((info->type != PORT_16550A) &&
- (!info->IsMoxaMustChipFlag)) {
- info->IER &= ~UART_IER_THRI;
- outb(info->IER, info->base + UART_IER);
- }
- }
- }
- }
- } else {
- info->flags &= ~ASYNC_CTS_FLOW;
- }
- outb(info->MCR, info->base + UART_MCR);
- if (cflag & CLOCAL) {
- info->flags &= ~ASYNC_CHECK_CD;
- } else {
- info->flags |= ASYNC_CHECK_CD;
- info->IER |= UART_IER_MSI;
- }
- outb(info->IER, info->base + UART_IER);
-
- /*
- * Set up parity check flag
- */
- info->read_status_mask = UART_LSR_OE | UART_LSR_THRE | UART_LSR_DR;
- if (I_INPCK(info->tty))
- info->read_status_mask |= UART_LSR_FE | UART_LSR_PE;
- if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
- info->read_status_mask |= UART_LSR_BI;
-
- info->ignore_status_mask = 0;
-
- if (I_IGNBRK(info->tty)) {
- info->ignore_status_mask |= UART_LSR_BI;
- info->read_status_mask |= UART_LSR_BI;
- /*
- * If we're ignore parity and break indicators, ignore
- * overruns too. (For real raw support).
- */
- if (I_IGNPAR(info->tty)) {
- info->ignore_status_mask |=
- UART_LSR_OE |
- UART_LSR_PE |
- UART_LSR_FE;
- info->read_status_mask |=
- UART_LSR_OE |
- UART_LSR_PE |
- UART_LSR_FE;
- }
- }
- /* following add by Victor Yu. 09-02-2002 */
- if (info->IsMoxaMustChipFlag) {
- spin_lock_irqsave(&info->slock, flags);
- SET_MOXA_MUST_XON1_VALUE(info->base, START_CHAR(info->tty));
- SET_MOXA_MUST_XOFF1_VALUE(info->base, STOP_CHAR(info->tty));
- if (I_IXON(info->tty)) {
- ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
- } else {
- DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(info->base);
- }
- if (I_IXOFF(info->tty)) {
- ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->base);
- } else {
- DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(info->base);
- }
- /*
- if ( I_IXANY(info->tty) ) {
- info->MCR |= MOXA_MUST_MCR_XON_ANY;
- ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(info->base);
- } else {
- info->MCR &= ~MOXA_MUST_MCR_XON_ANY;
- DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(info->base);
- }
- */
- spin_unlock_irqrestore(&info->slock, flags);
- }
- /* above add by Victor Yu. 09-02-2002 */
-
-
- outb(fcr, info->base + UART_FCR); /* set fcr */
- outb(cval, info->base + UART_LCR);
-
- return ret;
-}
-
-
-static int mxser_set_baud(struct mxser_struct *info, long newspd)
-{
- int quot = 0;
- unsigned char cval;
- unsigned long flags;
- unsigned int baud;
-
- if (!info->tty || !info->tty->termios)
- return -1;
-
- if (!(info->base))
- return -1;
-
- if (newspd > info->MaxCanSetBaudRate)
- return -1;
-
- info->realbaud = newspd;
- if (newspd == 134) {
- quot = (2 * info->baud_base / 269);
- tty_encode_baud_rate(info->tty, 134, 134);
- } else if (newspd) {
- quot = info->baud_base / newspd;
- if (quot == 0)
- quot = 1;
- baud = info->baud_base / quot;
- tty_encode_baud_rate(info->tty, baud, baud);
- } else {
- quot = 0;
- tty_encode_baud_rate(info->tty, 0, 0);
- }
-
- info->timeout = ((info->xmit_fifo_size * HZ * 10 * quot) / info->baud_base);
- info->timeout += HZ / 50; /* Add .02 seconds of slop */
-
- if (quot) {
- spin_lock_irqsave(&info->slock, flags);
- info->MCR |= UART_MCR_DTR;
- outb(info->MCR, info->base + UART_MCR);
- spin_unlock_irqrestore(&info->slock, flags);
- } else {
- spin_lock_irqsave(&info->slock, flags);
- info->MCR &= ~UART_MCR_DTR;
- outb(info->MCR, info->base + UART_MCR);
- spin_unlock_irqrestore(&info->slock, flags);
- return 0;
- }
-
- cval = inb(info->base + UART_LCR);
-
- outb(cval | UART_LCR_DLAB, info->base + UART_LCR); /* set DLAB */
-
- outb(quot & 0xff, info->base + UART_DLL); /* LS of divisor */
- outb(quot >> 8, info->base + UART_DLM); /* MS of divisor */
- outb(cval, info->base + UART_LCR); /* reset DLAB */
-
-
- return 0;
-}
-
-/*
- * ------------------------------------------------------------
- * friends of mxser_ioctl()
- * ------------------------------------------------------------
- */
-static int mxser_get_serial_info(struct mxser_struct *info, struct serial_struct __user *retinfo)
-{
- struct serial_struct tmp;
-
- if (!retinfo)
- return -EFAULT;
- memset(&tmp, 0, sizeof(tmp));
- tmp.type = info->type;
- tmp.line = info->port;
- tmp.port = info->base;
- tmp.irq = info->irq;
- tmp.flags = info->flags;
- tmp.baud_base = info->baud_base;
- tmp.close_delay = info->close_delay;
- tmp.closing_wait = info->closing_wait;
- tmp.custom_divisor = info->custom_divisor;
- tmp.hub6 = 0;
- if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
- return -EFAULT;
- return 0;
-}
-
-static int mxser_set_serial_info(struct mxser_struct *info, struct serial_struct __user *new_info)
-{
- struct serial_struct new_serial;
- unsigned int flags;
- int retval = 0;
-
- if (!new_info || !info->base)
- return -EFAULT;
- if (copy_from_user(&new_serial, new_info, sizeof(new_serial)))
- return -EFAULT;
-
- if ((new_serial.irq != info->irq) ||
- (new_serial.port != info->base) ||
- (new_serial.custom_divisor != info->custom_divisor) ||
- (new_serial.baud_base != info->baud_base))
- return -EPERM;
-
- flags = info->flags & ASYNC_SPD_MASK;
-
- if (!capable(CAP_SYS_ADMIN)) {
- if ((new_serial.baud_base != info->baud_base) ||
- (new_serial.close_delay != info->close_delay) ||
- ((new_serial.flags & ~ASYNC_USR_MASK) != (info->flags & ~ASYNC_USR_MASK)))
- return -EPERM;
- info->flags = ((info->flags & ~ASYNC_USR_MASK) |
- (new_serial.flags & ASYNC_USR_MASK));
- } else {
- /*
- * OK, past this point, all the error checking has been done.
- * At this point, we start making changes.....
- */
- info->flags = ((info->flags & ~ASYNC_FLAGS) |
- (new_serial.flags & ASYNC_FLAGS));
- info->close_delay = new_serial.close_delay * HZ / 100;
- info->closing_wait = new_serial.closing_wait * HZ / 100;
- info->tty->low_latency =
- (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
- info->tty->low_latency = 0; /* (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0; */
- }
-
- /* added by casper, 3/17/2000, for mouse */
- info->type = new_serial.type;
-
- process_txrx_fifo(info);
-
- if (info->flags & ASYNC_INITIALIZED) {
- if (flags != (info->flags & ASYNC_SPD_MASK)) {
- mxser_change_speed(info, NULL);
- }
- } else {
- retval = mxser_startup(info);
- }
- return retval;
-}
-
-/*
- * mxser_get_lsr_info - get line status register info
- *
- * Purpose: Let user call ioctl() to get info when the UART physically
- * is emptied. On bus types like RS485, the transmitter must
- * release the bus after transmitting. This must be done when
- * the transmit shift register is empty, not be done when the
- * transmit holding register is empty. This functionality
- * allows an RS485 driver to be written in user space.
- */
-static int mxser_get_lsr_info(struct mxser_struct *info, unsigned int __user *value)
-{
- unsigned char status;
- unsigned int result;
- unsigned long flags;
-
- spin_lock_irqsave(&info->slock, flags);
- status = inb(info->base + UART_LSR);
- spin_unlock_irqrestore(&info->slock, flags);
- result = ((status & UART_LSR_TEMT) ? TIOCSER_TEMT : 0);
- return put_user(result, value);
-}
-
-/*
- * This routine sends a break character out the serial port.
- */
-static void mxser_send_break(struct mxser_struct *info, int duration)
-{
- unsigned long flags;
-
- if (!info->base)
- return;
- set_current_state(TASK_INTERRUPTIBLE);
- spin_lock_irqsave(&info->slock, flags);
- outb(inb(info->base + UART_LCR) | UART_LCR_SBC,
- info->base + UART_LCR);
- spin_unlock_irqrestore(&info->slock, flags);
- schedule_timeout(duration);
- spin_lock_irqsave(&info->slock, flags);
- outb(inb(info->base + UART_LCR) & ~UART_LCR_SBC,
- info->base + UART_LCR);
- spin_unlock_irqrestore(&info->slock, flags);
-}
-
-static int mxser_tiocmget(struct tty_struct *tty, struct file *file)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned char control, status;
- unsigned long flags;
-
-
- if (tty->index == MXSER_PORTS)
- return -ENOIOCTLCMD;
- if (tty->flags & (1 << TTY_IO_ERROR))
- return -EIO;
-
- control = info->MCR;
-
- spin_lock_irqsave(&info->slock, flags);
- status = inb(info->base + UART_MSR);
- if (status & UART_MSR_ANY_DELTA)
- mxser_check_modem_status(info, status);
- spin_unlock_irqrestore(&info->slock, flags);
- return ((control & UART_MCR_RTS) ? TIOCM_RTS : 0) |
- ((control & UART_MCR_DTR) ? TIOCM_DTR : 0) |
- ((status & UART_MSR_DCD) ? TIOCM_CAR : 0) |
- ((status & UART_MSR_RI) ? TIOCM_RNG : 0) |
- ((status & UART_MSR_DSR) ? TIOCM_DSR : 0) |
- ((status & UART_MSR_CTS) ? TIOCM_CTS : 0);
-}
-
-static int mxser_tiocmset(struct tty_struct *tty, struct file *file, unsigned int set, unsigned int clear)
-{
- struct mxser_struct *info = tty->driver_data;
- unsigned long flags;
-
-
- if (tty->index == MXSER_PORTS)
- return -ENOIOCTLCMD;
- if (tty->flags & (1 << TTY_IO_ERROR))
- return -EIO;
-
- spin_lock_irqsave(&info->slock, flags);
-
- if (set & TIOCM_RTS)
- info->MCR |= UART_MCR_RTS;
- if (set & TIOCM_DTR)
- info->MCR |= UART_MCR_DTR;
-
- if (clear & TIOCM_RTS)
- info->MCR &= ~UART_MCR_RTS;
- if (clear & TIOCM_DTR)
- info->MCR &= ~UART_MCR_DTR;
-
- outb(info->MCR, info->base + UART_MCR);
- spin_unlock_irqrestore(&info->slock, flags);
- return 0;
-}
-
-
-static int mxser_read_register(int, unsigned short *);
-static int mxser_program_mode(int);
-static void mxser_normal_mode(int);
-
-static int mxser_get_ISA_conf(int cap, struct mxser_hwconf *hwconf)
-{
- int id, i, bits;
- unsigned short regs[16], irq;
- unsigned char scratch, scratch2;
-
- hwconf->IsMoxaMustChipFlag = MOXA_OTHER_UART;
-
- id = mxser_read_register(cap, regs);
- if (id == C168_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_C168_ISA;
- hwconf->ports = 8;
- } else if (id == C104_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_C104_ISA;
- hwconf->ports = 4;
- } else if (id == C102_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_C102_ISA;
- hwconf->ports = 2;
- } else if (id == CI132_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_CI132;
- hwconf->ports = 2;
- } else if (id == CI134_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_CI134;
- hwconf->ports = 4;
- } else if (id == CI104J_ASIC_ID) {
- hwconf->board_type = MXSER_BOARD_CI104J;
- hwconf->ports = 4;
- } else
- return 0;
-
- irq = 0;
- if (hwconf->ports == 2) {
- irq = regs[9] & 0xF000;
- irq = irq | (irq >> 4);
- if (irq != (regs[9] & 0xFF00))
- return MXSER_ERR_IRQ_CONFLIT;
- } else if (hwconf->ports == 4) {
- irq = regs[9] & 0xF000;
- irq = irq | (irq >> 4);
- irq = irq | (irq >> 8);
- if (irq != regs[9])
- return MXSER_ERR_IRQ_CONFLIT;
- } else if (hwconf->ports == 8) {
- irq = regs[9] & 0xF000;
- irq = irq | (irq >> 4);
- irq = irq | (irq >> 8);
- if ((irq != regs[9]) || (irq != regs[10]))
- return MXSER_ERR_IRQ_CONFLIT;
- }
-
- if (!irq)
- return MXSER_ERR_IRQ;
- hwconf->irq = ((int)(irq & 0xF000) >> 12);
- for (i = 0; i < 8; i++)
- hwconf->ioaddr[i] = (int) regs[i + 1] & 0xFFF8;
- if ((regs[12] & 0x80) == 0)
- return MXSER_ERR_VECTOR;
- hwconf->vector = (int)regs[11]; /* interrupt vector */
- if (id == 1)
- hwconf->vector_mask = 0x00FF;
- else
- hwconf->vector_mask = 0x000F;
- for (i = 7, bits = 0x0100; i >= 0; i--, bits <<= 1) {
- if (regs[12] & bits) {
- hwconf->baud_base[i] = 921600;
- hwconf->MaxCanSetBaudRate[i] = 921600; /* add by Victor Yu. 09-04-2002 */
- } else {
- hwconf->baud_base[i] = 115200;
- hwconf->MaxCanSetBaudRate[i] = 115200; /* add by Victor Yu. 09-04-2002 */
- }
- }
- scratch2 = inb(cap + UART_LCR) & (~UART_LCR_DLAB);
- outb(scratch2 | UART_LCR_DLAB, cap + UART_LCR);
- outb(0, cap + UART_EFR); /* EFR is the same as FCR */
- outb(scratch2, cap + UART_LCR);
- outb(UART_FCR_ENABLE_FIFO, cap + UART_FCR);
- scratch = inb(cap + UART_IIR);
-
- if (scratch & 0xC0)
- hwconf->uart_type = PORT_16550A;
- else
- hwconf->uart_type = PORT_16450;
- if (id == 1)
- hwconf->ports = 8;
- else
- hwconf->ports = 4;
- request_region(hwconf->ioaddr[0], 8 * hwconf->ports, "mxser(IO)");
- request_region(hwconf->vector, 1, "mxser(vector)");
- return hwconf->ports;
-}
-
-#define CHIP_SK 0x01 /* Serial Data Clock in Eprom */
-#define CHIP_DO 0x02 /* Serial Data Output in Eprom */
-#define CHIP_CS 0x04 /* Serial Chip Select in Eprom */
-#define CHIP_DI 0x08 /* Serial Data Input in Eprom */
-#define EN_CCMD 0x000 /* Chip's command register */
-#define EN0_RSARLO 0x008 /* Remote start address reg 0 */
-#define EN0_RSARHI 0x009 /* Remote start address reg 1 */
-#define EN0_RCNTLO 0x00A /* Remote byte count reg WR */
-#define EN0_RCNTHI 0x00B /* Remote byte count reg WR */
-#define EN0_DCFG 0x00E /* Data configuration reg WR */
-#define EN0_PORT 0x010 /* Rcv missed frame error counter RD */
-#define ENC_PAGE0 0x000 /* Select page 0 of chip registers */
-#define ENC_PAGE3 0x0C0 /* Select page 3 of chip registers */
-static int mxser_read_register(int port, unsigned short *regs)
-{
- int i, k, value, id;
- unsigned int j;
-
- id = mxser_program_mode(port);
- if (id < 0)
- return id;
- for (i = 0; i < 14; i++) {
- k = (i & 0x3F) | 0x180;
- for (j = 0x100; j > 0; j >>= 1) {
- outb(CHIP_CS, port);
- if (k & j) {
- outb(CHIP_CS | CHIP_DO, port);
- outb(CHIP_CS | CHIP_DO | CHIP_SK, port); /* A? bit of read */
- } else {
- outb(CHIP_CS, port);
- outb(CHIP_CS | CHIP_SK, port); /* A? bit of read */
- }
- }
- (void)inb(port);
- value = 0;
- for (k = 0, j = 0x8000; k < 16; k++, j >>= 1) {
- outb(CHIP_CS, port);
- outb(CHIP_CS | CHIP_SK, port);
- if (inb(port) & CHIP_DI)
- value |= j;
- }
- regs[i] = value;
- outb(0, port);
- }
- mxser_normal_mode(port);
- return id;
-}
-
-static int mxser_program_mode(int port)
-{
- int id, i, j, n;
- /* unsigned long flags; */
-
- spin_lock(&gm_lock);
- outb(0, port);
- outb(0, port);
- outb(0, port);
- (void)inb(port);
- (void)inb(port);
- outb(0, port);
- (void)inb(port);
- /* restore_flags(flags); */
- spin_unlock(&gm_lock);
-
- id = inb(port + 1) & 0x1F;
- if ((id != C168_ASIC_ID) &&
- (id != C104_ASIC_ID) &&
- (id != C102_ASIC_ID) &&
- (id != CI132_ASIC_ID) &&
- (id != CI134_ASIC_ID) &&
- (id != CI104J_ASIC_ID))
- return -1;
- for (i = 0, j = 0; i < 4; i++) {
- n = inb(port + 2);
- if (n == 'M') {
- j = 1;
- } else if ((j == 1) && (n == 1)) {
- j = 2;
- break;
- } else
- j = 0;
- }
- if (j != 2)
- id = -2;
- return id;
-}
-
-static void mxser_normal_mode(int port)
-{
- int i, n;
-
- outb(0xA5, port + 1);
- outb(0x80, port + 3);
- outb(12, port + 0); /* 9600 bps */
- outb(0, port + 1);
- outb(0x03, port + 3); /* 8 data bits */
- outb(0x13, port + 4); /* loop back mode */
- for (i = 0; i < 16; i++) {
- n = inb(port + 5);
- if ((n & 0x61) == 0x60)
- break;
- if ((n & 1) == 1)
- (void)inb(port);
- }
- outb(0x00, port + 4);
-}
-
-module_init(mxser_module_init);
-module_exit(mxser_module_exit);
diff --git a/drivers/char/mxser.h b/drivers/char/mxser.h
deleted file mode 100644
index 1f4aa45..0000000
--- a/drivers/char/mxser.h
+++ /dev/null
@@ -1,441 +0,0 @@
-#ifndef _MXSER_H
-#define _MXSER_H
-
-/*
- * Semi-public control interfaces
- */
-
-/*
- * MOXA ioctls
- */
-
-#define MOXA 0x400
-#define MOXA_GETDATACOUNT (MOXA + 23)
-#define MOXA_GET_CONF (MOXA + 35)
-#define MOXA_DIAGNOSE (MOXA + 50)
-#define MOXA_CHKPORTENABLE (MOXA + 60)
-#define MOXA_HighSpeedOn (MOXA + 61)
-#define MOXA_GET_MAJOR (MOXA + 63)
-#define MOXA_GET_CUMAJOR (MOXA + 64)
-#define MOXA_GETMSTATUS (MOXA + 65)
-#define MOXA_SET_OP_MODE (MOXA + 66)
-#define MOXA_GET_OP_MODE (MOXA + 67)
-
-#define RS232_MODE 0
-#define RS485_2WIRE_MODE 1
-#define RS422_MODE 2
-#define RS485_4WIRE_MODE 3
-#define OP_MODE_MASK 3
-// above add by Victor Yu. 01-05-2004
-
-#define TTY_THRESHOLD_THROTTLE 128
-
-#define HI_WATER 768
-
-// added by James. 03-11-2004.
-#define MOXA_SDS_GETICOUNTER (MOXA + 68)
-#define MOXA_SDS_RSTICOUNTER (MOXA + 69)
-// (above) added by James.
-
-#define MOXA_ASPP_OQUEUE (MOXA + 70)
-#define MOXA_ASPP_SETBAUD (MOXA + 71)
-#define MOXA_ASPP_GETBAUD (MOXA + 72)
-#define MOXA_ASPP_MON (MOXA + 73)
-#define MOXA_ASPP_LSTATUS (MOXA + 74)
-#define MOXA_ASPP_MON_EXT (MOXA + 75)
-#define MOXA_SET_BAUD_METHOD (MOXA + 76)
-
-
-/* --------------------------------------------------- */
-
-#define NPPI_NOTIFY_PARITY 0x01
-#define NPPI_NOTIFY_FRAMING 0x02
-#define NPPI_NOTIFY_HW_OVERRUN 0x04
-#define NPPI_NOTIFY_SW_OVERRUN 0x08
-#define NPPI_NOTIFY_BREAK 0x10
-
-#define NPPI_NOTIFY_CTSHOLD 0x01 // Tx hold by CTS low
-#define NPPI_NOTIFY_DSRHOLD 0x02 // Tx hold by DSR low
-#define NPPI_NOTIFY_XOFFHOLD 0x08 // Tx hold by Xoff received
-#define NPPI_NOTIFY_XOFFXENT 0x10 // Xoff Sent
-
-//CheckIsMoxaMust return value
-#define MOXA_OTHER_UART 0x00
-#define MOXA_MUST_MU150_HWID 0x01
-#define MOXA_MUST_MU860_HWID 0x02
-
-// follow just for Moxa Must chip define.
-//
-// when LCR register (offset 0x03) write following value,
-// the Must chip will enter enchance mode. And write value
-// on EFR (offset 0x02) bit 6,7 to change bank.
-#define MOXA_MUST_ENTER_ENCHANCE 0xBF
-
-// when enhance mode enable, access on general bank register
-#define MOXA_MUST_GDL_REGISTER 0x07
-#define MOXA_MUST_GDL_MASK 0x7F
-#define MOXA_MUST_GDL_HAS_BAD_DATA 0x80
-
-#define MOXA_MUST_LSR_RERR 0x80 // error in receive FIFO
-// enchance register bank select and enchance mode setting register
-// when LCR register equal to 0xBF
-#define MOXA_MUST_EFR_REGISTER 0x02
-// enchance mode enable
-#define MOXA_MUST_EFR_EFRB_ENABLE 0x10
-// enchance reister bank set 0, 1, 2
-#define MOXA_MUST_EFR_BANK0 0x00
-#define MOXA_MUST_EFR_BANK1 0x40
-#define MOXA_MUST_EFR_BANK2 0x80
-#define MOXA_MUST_EFR_BANK3 0xC0
-#define MOXA_MUST_EFR_BANK_MASK 0xC0
-
-// set XON1 value register, when LCR=0xBF and change to bank0
-#define MOXA_MUST_XON1_REGISTER 0x04
-
-// set XON2 value register, when LCR=0xBF and change to bank0
-#define MOXA_MUST_XON2_REGISTER 0x05
-
-// set XOFF1 value register, when LCR=0xBF and change to bank0
-#define MOXA_MUST_XOFF1_REGISTER 0x06
-
-// set XOFF2 value register, when LCR=0xBF and change to bank0
-#define MOXA_MUST_XOFF2_REGISTER 0x07
-
-#define MOXA_MUST_RBRTL_REGISTER 0x04
-#define MOXA_MUST_RBRTH_REGISTER 0x05
-#define MOXA_MUST_RBRTI_REGISTER 0x06
-#define MOXA_MUST_THRTL_REGISTER 0x07
-#define MOXA_MUST_ENUM_REGISTER 0x04
-#define MOXA_MUST_HWID_REGISTER 0x05
-#define MOXA_MUST_ECR_REGISTER 0x06
-#define MOXA_MUST_CSR_REGISTER 0x07
-
-// good data mode enable
-#define MOXA_MUST_FCR_GDA_MODE_ENABLE 0x20
-// only good data put into RxFIFO
-#define MOXA_MUST_FCR_GDA_ONLY_ENABLE 0x10
-
-// enable CTS interrupt
-#define MOXA_MUST_IER_ECTSI 0x80
-// enable RTS interrupt
-#define MOXA_MUST_IER_ERTSI 0x40
-// enable Xon/Xoff interrupt
-#define MOXA_MUST_IER_XINT 0x20
-// enable GDA interrupt
-#define MOXA_MUST_IER_EGDAI 0x10
-
-#define MOXA_MUST_RECV_ISR (UART_IER_RDI | MOXA_MUST_IER_EGDAI)
-
-// GDA interrupt pending
-#define MOXA_MUST_IIR_GDA 0x1C
-#define MOXA_MUST_IIR_RDA 0x04
-#define MOXA_MUST_IIR_RTO 0x0C
-#define MOXA_MUST_IIR_LSR 0x06
-
-// recieved Xon/Xoff or specical interrupt pending
-#define MOXA_MUST_IIR_XSC 0x10
-
-// RTS/CTS change state interrupt pending
-#define MOXA_MUST_IIR_RTSCTS 0x20
-#define MOXA_MUST_IIR_MASK 0x3E
-
-#define MOXA_MUST_MCR_XON_FLAG 0x40
-#define MOXA_MUST_MCR_XON_ANY 0x80
-#define MOXA_MUST_MCR_TX_XON 0x08
-
-
-// software flow control on chip mask value
-#define MOXA_MUST_EFR_SF_MASK 0x0F
-// send Xon1/Xoff1
-#define MOXA_MUST_EFR_SF_TX1 0x08
-// send Xon2/Xoff2
-#define MOXA_MUST_EFR_SF_TX2 0x04
-// send Xon1,Xon2/Xoff1,Xoff2
-#define MOXA_MUST_EFR_SF_TX12 0x0C
-// don't send Xon/Xoff
-#define MOXA_MUST_EFR_SF_TX_NO 0x00
-// Tx software flow control mask
-#define MOXA_MUST_EFR_SF_TX_MASK 0x0C
-// don't receive Xon/Xoff
-#define MOXA_MUST_EFR_SF_RX_NO 0x00
-// receive Xon1/Xoff1
-#define MOXA_MUST_EFR_SF_RX1 0x02
-// receive Xon2/Xoff2
-#define MOXA_MUST_EFR_SF_RX2 0x01
-// receive Xon1,Xon2/Xoff1,Xoff2
-#define MOXA_MUST_EFR_SF_RX12 0x03
-// Rx software flow control mask
-#define MOXA_MUST_EFR_SF_RX_MASK 0x03
-
-//#define MOXA_MUST_MIN_XOFFLIMIT 66
-//#define MOXA_MUST_MIN_XONLIMIT 20
-//#define ID1_RX_TRIG 120
-
-
-#define CHECK_MOXA_MUST_XOFFLIMIT(info) { \
- if ( (info)->IsMoxaMustChipFlag && \
- (info)->HandFlow.XoffLimit < MOXA_MUST_MIN_XOFFLIMIT ) { \
- (info)->HandFlow.XoffLimit = MOXA_MUST_MIN_XOFFLIMIT; \
- (info)->HandFlow.XonLimit = MOXA_MUST_MIN_XONLIMIT; \
- } \
-}
-
-#define ENABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr |= MOXA_MUST_EFR_EFRB_ENABLE; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define DISABLE_MOXA_MUST_ENCHANCE_MODE(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_EFRB_ENABLE; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_XON1_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK0; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_XON1_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_XON2_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK0; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_XON2_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_XOFF1_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK0; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_XOFF1_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_XOFF2_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK0; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_XOFF2_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_RBRTL_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_RBRTL_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_RBRTH_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_RBRTH_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_RBRTI_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_RBRTI_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_THRTL_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_THRTL_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-//#define MOXA_MUST_RBRL_VALUE 4
-#define SET_MOXA_MUST_FIFO_VALUE(info) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((info)->base+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (info)->base+UART_LCR); \
- __efr = inb((info)->base+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK1; \
- outb(__efr, (info)->base+MOXA_MUST_EFR_REGISTER); \
- outb((u8)((info)->rx_high_water), (info)->base+MOXA_MUST_RBRTH_REGISTER); \
- outb((u8)((info)->rx_trigger), (info)->base+MOXA_MUST_RBRTI_REGISTER); \
- outb((u8)((info)->rx_low_water), (info)->base+MOXA_MUST_RBRTL_REGISTER); \
- outb(__oldlcr, (info)->base+UART_LCR); \
-}
-
-
-
-#define SET_MOXA_MUST_ENUM_VALUE(baseio, Value) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK2; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb((u8)(Value), (baseio)+MOXA_MUST_ENUM_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define GET_MOXA_MUST_HARDWARE_ID(baseio, pId) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_BANK_MASK; \
- __efr |= MOXA_MUST_EFR_BANK2; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- *pId = inb((baseio)+MOXA_MUST_HWID_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_NO_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_MASK; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_JUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_MASK; \
- __efr |= MOXA_MUST_EFR_SF_TX1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define ENABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \
- __efr |= MOXA_MUST_EFR_SF_TX1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define DISABLE_MOXA_MUST_TX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_TX_MASK; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define SET_MOXA_MUST_JUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_MASK; \
- __efr |= MOXA_MUST_EFR_SF_RX1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define ENABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \
- __efr |= MOXA_MUST_EFR_SF_RX1; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define DISABLE_MOXA_MUST_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_RX_MASK; \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define ENABLE_MOXA_MUST_TX_RX_SOFTWARE_FLOW_CONTROL(baseio) { \
- u8 __oldlcr, __efr; \
- __oldlcr = inb((baseio)+UART_LCR); \
- outb(MOXA_MUST_ENTER_ENCHANCE, (baseio)+UART_LCR); \
- __efr = inb((baseio)+MOXA_MUST_EFR_REGISTER); \
- __efr &= ~MOXA_MUST_EFR_SF_MASK; \
- __efr |= (MOXA_MUST_EFR_SF_RX1|MOXA_MUST_EFR_SF_TX1); \
- outb(__efr, (baseio)+MOXA_MUST_EFR_REGISTER); \
- outb(__oldlcr, (baseio)+UART_LCR); \
-}
-
-#define ENABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \
- u8 __oldmcr; \
- __oldmcr = inb((baseio)+UART_MCR); \
- __oldmcr |= MOXA_MUST_MCR_XON_ANY; \
- outb(__oldmcr, (baseio)+UART_MCR); \
-}
-
-#define DISABLE_MOXA_MUST_XON_ANY_FLOW_CONTROL(baseio) { \
- u8 __oldmcr; \
- __oldmcr = inb((baseio)+UART_MCR); \
- __oldmcr &= ~MOXA_MUST_MCR_XON_ANY; \
- outb(__oldmcr, (baseio)+UART_MCR); \
-}
-
-#define READ_MOXA_MUST_GDL(baseio) inb((baseio)+MOXA_MUST_GDL_REGISTER)
-
-#endif
--
1.5.3.6
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