* 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.
*/
/*
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/errno.h>
+#include <linux/firmware.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bitops.h>
+#include <linux/completion.h>
#include <asm/system.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#define MOXA_VERSION "5.1k"
+#include "moxa.h"
-#define MOXAMAJOR 172
-#define MOXACUMAJOR 173
+#define MOXA_VERSION "5.1k"
-#define put_to_user(arg1, arg2) put_user(arg1, (unsigned long *)arg2)
-#define get_from_user(arg1, arg2) get_user(arg1, (unsigned int *)arg2)
+#define MOXA_FW_HDRLEN 32
-#define MAX_BOARDS 4 /* Don't change this value */
+#define MOXAMAJOR 172
+#define MOXACUMAJOR 173
+
+#define MAX_BOARDS 4 /* Don't change this value */
#define MAX_PORTS_PER_BOARD 32 /* Don't change this value */
-#define MAX_PORTS 128 /* Don't change this value */
+#define MAX_PORTS (MAX_BOARDS * MAX_PORTS_PER_BOARD)
/*
* Define the Moxa PCI vendor and device IDs.
*/
-#define MOXA_BUS_TYPE_ISA 0
-#define MOXA_BUS_TYPE_PCI 1
-
-#ifndef PCI_VENDOR_ID_MOXA
-#define PCI_VENDOR_ID_MOXA 0x1393
-#endif
-#ifndef PCI_DEVICE_ID_CP204J
-#define PCI_DEVICE_ID_CP204J 0x2040
-#endif
-#ifndef PCI_DEVICE_ID_C218
-#define PCI_DEVICE_ID_C218 0x2180
-#endif
-#ifndef PCI_DEVICE_ID_C320
-#define PCI_DEVICE_ID_C320 0x3200
-#endif
+#define MOXA_BUS_TYPE_ISA 0
+#define MOXA_BUS_TYPE_PCI 1
enum {
MOXA_BOARD_C218_PCI = 1,
#ifdef CONFIG_PCI
static struct pci_device_id moxa_pcibrds[] = {
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_C218, PCI_ANY_ID, PCI_ANY_ID,
- 0, 0, MOXA_BOARD_C218_PCI },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_C320, PCI_ANY_ID, PCI_ANY_ID,
- 0, 0, MOXA_BOARD_C320_PCI },
- { PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_CP204J, PCI_ANY_ID, PCI_ANY_ID,
- 0, 0, MOXA_BOARD_CP204J },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C218),
+ .driver_data = MOXA_BOARD_C218_PCI },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_C320),
+ .driver_data = MOXA_BOARD_C320_PCI },
+ { PCI_DEVICE(PCI_VENDOR_ID_MOXA, PCI_DEVICE_ID_MOXA_CP204J),
+ .driver_data = MOXA_BOARD_CP204J },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, moxa_pcibrds);
#endif /* CONFIG_PCI */
-typedef struct _moxa_isa_board_conf {
+struct moxa_port;
+
+static struct moxa_board_conf {
int boardType;
int numPorts;
- unsigned long baseAddr;
-} moxa_isa_board_conf;
+ int busType;
-static moxa_isa_board_conf moxa_isa_boards[] =
-{
-/* {MOXA_BOARD_C218_ISA,8,0xDC000}, */
-};
+ int loadstat;
-typedef struct _moxa_pci_devinfo {
- ushort busNum;
- ushort devNum;
-} moxa_pci_devinfo;
+ struct moxa_port *ports;
-typedef struct _moxa_board_conf {
- int boardType;
- int numPorts;
- unsigned long baseAddr;
- int busType;
- moxa_pci_devinfo pciInfo;
-} moxa_board_conf;
+ void __iomem *basemem;
+ void __iomem *intNdx;
+ void __iomem *intPend;
+ void __iomem *intTable;
+} moxa_boards[MAX_BOARDS];
+
+struct mxser_mstatus {
+ tcflag_t cflag;
+ int cts;
+ int dsr;
+ int ri;
+ int dcd;
+};
-static moxa_board_conf moxa_boards[MAX_BOARDS];
-static void __iomem *moxaBaseAddr[MAX_BOARDS];
-static int loadstat[MAX_BOARDS];
+struct moxaq_str {
+ int inq;
+ int outq;
+};
-struct moxa_str {
+struct moxa_port {
+ struct moxa_board_conf *board;
int type;
- int port;
int close_delay;
unsigned short closing_wait;
int count;
struct tty_struct *tty;
int cflag;
wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
- struct work_struct tqueue;
-};
+ struct completion close_wait;
-struct mxser_mstatus {
- tcflag_t cflag;
- int cts;
- int dsr;
- int ri;
- int dcd;
-};
+ struct timer_list emptyTimer;
+
+ char chkPort;
+ char lineCtrl;
+ void __iomem *tableAddr;
+ long curBaud;
+ char DCDState;
+ char lowChkFlag;
-static struct mxser_mstatus GMStatus[MAX_PORTS];
+ ushort breakCnt;
+};
/* statusflags */
#define TXSTOPPED 0x1
#define EMPTYWAIT 0x4
#define THROTTLE 0x8
-/* event */
-#define MOXA_EVENT_HANGUP 1
-
#define SERIAL_DO_RESTART
-
-#define SERIAL_TYPE_NORMAL 1
-
#define WAKEUP_CHARS 256
-#define PORTNO(x) ((x)->index)
-
-static int verbose = 0;
static int ttymajor = MOXAMAJOR;
+static int moxaCard;
/* Variables for insmod */
#ifdef MODULE
-static int baseaddr[] = {0, 0, 0, 0};
-static int type[] = {0, 0, 0, 0};
-static int numports[] = {0, 0, 0, 0};
+static unsigned long baseaddr[MAX_BOARDS];
+static unsigned int type[MAX_BOARDS];
+static unsigned int numports[MAX_BOARDS];
#endif
MODULE_AUTHOR("William Chen");
MODULE_DESCRIPTION("MOXA Intellio Family Multiport Board Device Driver");
MODULE_LICENSE("GPL");
#ifdef MODULE
-module_param_array(type, int, NULL, 0);
-module_param_array(baseaddr, int, NULL, 0);
-module_param_array(numports, int, NULL, 0);
+module_param_array(type, uint, NULL, 0);
+MODULE_PARM_DESC(type, "card type: C218=2, C320=4");
+module_param_array(baseaddr, ulong, NULL, 0);
+MODULE_PARM_DESC(baseaddr, "base address");
+module_param_array(numports, uint, NULL, 0);
+MODULE_PARM_DESC(numports, "numports (ignored for C218)");
#endif
module_param(ttymajor, int, 0);
-module_param(verbose, bool, 0644);
-
-static struct tty_driver *moxaDriver;
-static struct moxa_str moxaChannels[MAX_PORTS];
-static unsigned char *moxaXmitBuff;
-static int moxaTimer_on;
-static struct timer_list moxaTimer;
-static int moxaEmptyTimer_on[MAX_PORTS];
-static struct timer_list moxaEmptyTimer[MAX_PORTS];
-static struct semaphore moxaBuffSem;
/*
* static functions:
*/
-static void do_moxa_softint(void *);
static int moxa_open(struct tty_struct *, struct file *);
static void moxa_close(struct tty_struct *, struct file *);
static int moxa_write(struct tty_struct *, const unsigned char *, int);
static int moxa_ioctl(struct tty_struct *, struct file *, unsigned int, unsigned long);
static void moxa_throttle(struct tty_struct *);
static void moxa_unthrottle(struct tty_struct *);
-static void moxa_set_termios(struct tty_struct *, struct termios *);
+static void moxa_set_termios(struct tty_struct *, struct ktermios *);
static void moxa_stop(struct tty_struct *);
static void moxa_start(struct tty_struct *);
static void moxa_hangup(struct tty_struct *);
static int moxa_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear);
static void moxa_poll(unsigned long);
-static void set_tty_param(struct tty_struct *);
-static int block_till_ready(struct tty_struct *, struct file *,
- struct moxa_str *);
-static void setup_empty_event(struct tty_struct *);
-static void check_xmit_empty(unsigned long);
-static void shut_down(struct moxa_str *);
-static void receive_data(struct moxa_str *);
+static void moxa_set_tty_param(struct tty_struct *, struct ktermios *);
+static int moxa_block_till_ready(struct tty_struct *, struct file *,
+ struct moxa_port *);
+static void moxa_setup_empty_event(struct tty_struct *);
+static void moxa_check_xmit_empty(unsigned long);
+static void moxa_shut_down(struct moxa_port *);
+static void moxa_receive_data(struct moxa_port *);
/*
* moxa board interface functions:
*/
-static void MoxaDriverInit(void);
-static int MoxaDriverIoctl(unsigned int, unsigned long, int);
+static int MoxaDriverIoctl(struct tty_struct *, unsigned int, unsigned long);
static int MoxaDriverPoll(void);
static int MoxaPortsOfCard(int);
static int MoxaPortIsValid(int);
-static void MoxaPortEnable(int);
-static void MoxaPortDisable(int);
-static long MoxaPortGetMaxBaud(int);
-static long MoxaPortSetBaud(int, long);
-static int MoxaPortSetTermio(int, struct termios *, speed_t);
-static int MoxaPortGetLineOut(int, int *, int *);
-static void MoxaPortLineCtrl(int, int, int);
-static void MoxaPortFlowCtrl(int, int, int, int, int, int);
-static int MoxaPortLineStatus(int);
-static int MoxaPortDCDChange(int);
-static int MoxaPortDCDON(int);
-static void MoxaPortFlushData(int, int);
-static int MoxaPortWriteData(int, unsigned char *, int);
-static int MoxaPortReadData(int, struct tty_struct *tty);
-static int MoxaPortTxQueue(int);
-static int MoxaPortRxQueue(int);
-static int MoxaPortTxFree(int);
-static void MoxaPortTxDisable(int);
-static void MoxaPortTxEnable(int);
-static int MoxaPortResetBrkCnt(int);
-static void MoxaPortSendBreak(int, int);
-static int moxa_get_serial_info(struct moxa_str *, struct serial_struct __user *);
-static int moxa_set_serial_info(struct moxa_str *, struct serial_struct __user *);
-static void MoxaSetFifo(int port, int enable);
-
-static struct tty_operations moxa_ops = {
+static void MoxaPortEnable(struct moxa_port *);
+static void MoxaPortDisable(struct moxa_port *);
+static int MoxaPortSetTermio(struct moxa_port *, struct ktermios *, speed_t);
+static int MoxaPortGetLineOut(struct moxa_port *, int *, int *);
+static void MoxaPortLineCtrl(struct moxa_port *, int, int);
+static void MoxaPortFlowCtrl(struct moxa_port *, int, int, int, int, int);
+static int MoxaPortLineStatus(struct moxa_port *);
+static int MoxaPortDCDChange(struct moxa_port *);
+static int MoxaPortDCDON(struct moxa_port *);
+static void MoxaPortFlushData(struct moxa_port *, int);
+static int MoxaPortWriteData(struct moxa_port *, unsigned char *, int);
+static int MoxaPortReadData(struct moxa_port *, struct tty_struct *tty);
+static int MoxaPortTxQueue(struct moxa_port *);
+static int MoxaPortRxQueue(struct moxa_port *);
+static int MoxaPortTxFree(struct moxa_port *);
+static void MoxaPortTxDisable(struct moxa_port *);
+static void MoxaPortTxEnable(struct moxa_port *);
+static int MoxaPortResetBrkCnt(struct moxa_port *);
+static void MoxaPortSendBreak(struct moxa_port *, int);
+static int moxa_get_serial_info(struct moxa_port *, struct serial_struct __user *);
+static int moxa_set_serial_info(struct moxa_port *, struct serial_struct __user *);
+static void MoxaSetFifo(struct moxa_port *port, int enable);
+
+static const struct tty_operations moxa_ops = {
.open = moxa_open,
.close = moxa_close,
.write = moxa_write,
.tiocmset = moxa_tiocmset,
};
+static struct tty_driver *moxaDriver;
+static struct moxa_port moxa_ports[MAX_PORTS];
+static DEFINE_TIMER(moxaTimer, moxa_poll, 0, 0);
static DEFINE_SPINLOCK(moxa_lock);
+static int moxa_check_fw_model(struct moxa_board_conf *brd, u8 model)
+{
+ switch (brd->boardType) {
+ case MOXA_BOARD_C218_ISA:
+ case MOXA_BOARD_C218_PCI:
+ if (model != 1)
+ goto err;
+ break;
+ case MOXA_BOARD_CP204J:
+ if (model != 3)
+ goto err;
+ break;
+ default:
+ if (model != 2)
+ goto err;
+ break;
+ }
+ return 0;
+err:
+ return -EINVAL;
+}
+
+static int moxa_check_fw(const void *ptr)
+{
+ const __le16 *lptr = ptr;
+
+ if (*lptr != cpu_to_le16(0x7980))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int moxa_load_bios(struct moxa_board_conf *brd, const u8 *buf,
+ size_t len)
+{
+ void __iomem *baseAddr = brd->basemem;
+ u16 tmp;
+
+ writeb(HW_reset, baseAddr + Control_reg); /* reset */
+ msleep(10);
+ memset_io(baseAddr, 0, 4096);
+ memcpy_toio(baseAddr, buf, len); /* download BIOS */
+ writeb(0, baseAddr + Control_reg); /* restart */
+
+ msleep(2000);
+
+ switch (brd->boardType) {
+ case MOXA_BOARD_C218_ISA:
+ case MOXA_BOARD_C218_PCI:
+ tmp = readw(baseAddr + C218_key);
+ if (tmp != C218_KeyCode)
+ goto err;
+ break;
+ case MOXA_BOARD_CP204J:
+ tmp = readw(baseAddr + C218_key);
+ if (tmp != CP204J_KeyCode)
+ goto err;
+ break;
+ default:
+ tmp = readw(baseAddr + C320_key);
+ if (tmp != C320_KeyCode)
+ goto err;
+ tmp = readw(baseAddr + C320_status);
+ if (tmp != STS_init) {
+ printk(KERN_ERR "moxa: bios upload failed -- CPU/Basic "
+ "module not found\n");
+ return -EIO;
+ }
+ break;
+ }
+
+ return 0;
+err:
+ printk(KERN_ERR "moxa: bios upload failed -- board not found\n");
+ return -EIO;
+}
+
+static int moxa_load_320b(struct moxa_board_conf *brd, const u8 *ptr,
+ size_t len)
+{
+ void __iomem *baseAddr = brd->basemem;
+
+ if (len < 7168) {
+ printk(KERN_ERR "moxa: invalid 320 bios -- too short\n");
+ return -EINVAL;
+ }
+
+ writew(len - 7168 - 2, baseAddr + C320bapi_len);
+ writeb(1, baseAddr + Control_reg); /* Select Page 1 */
+ memcpy_toio(baseAddr + DynPage_addr, ptr, 7168);
+ writeb(2, baseAddr + Control_reg); /* Select Page 2 */
+ memcpy_toio(baseAddr + DynPage_addr, ptr + 7168, len - 7168);
+
+ return 0;
+}
+
+static int moxa_real_load_code(struct moxa_board_conf *brd, const void *ptr,
+ size_t len)
+{
+ void __iomem *baseAddr = brd->basemem;
+ const u16 *uptr = ptr;
+ size_t wlen, len2, j;
+ unsigned long key, loadbuf, loadlen, checksum, checksum_ok;
+ unsigned int i, retry, c320;
+ u16 usum, keycode;
+
+ c320 = brd->boardType == MOXA_BOARD_C320_PCI ||
+ brd->boardType == MOXA_BOARD_C320_ISA;
+ keycode = (brd->boardType == MOXA_BOARD_CP204J) ? CP204J_KeyCode :
+ C218_KeyCode;
+
+ switch (brd->boardType) {
+ case MOXA_BOARD_CP204J:
+ case MOXA_BOARD_C218_ISA:
+ case MOXA_BOARD_C218_PCI:
+ key = C218_key;
+ loadbuf = C218_LoadBuf;
+ loadlen = C218DLoad_len;
+ checksum = C218check_sum;
+ checksum_ok = C218chksum_ok;
+ break;
+ default:
+ key = C320_key;
+ keycode = C320_KeyCode;
+ loadbuf = C320_LoadBuf;
+ loadlen = C320DLoad_len;
+ checksum = C320check_sum;
+ checksum_ok = C320chksum_ok;
+ break;
+ }
+
+ usum = 0;
+ wlen = len >> 1;
+ for (i = 0; i < wlen; i++)
+ usum += le16_to_cpu(uptr[i]);
+ retry = 0;
+ do {
+ wlen = len >> 1;
+ j = 0;
+ while (wlen) {
+ len2 = (wlen > 2048) ? 2048 : wlen;
+ wlen -= len2;
+ memcpy_toio(baseAddr + loadbuf, ptr + j, len2 << 1);
+ j += len2 << 1;
+
+ writew(len2, baseAddr + loadlen);
+ writew(0, baseAddr + key);
+ for (i = 0; i < 100; i++) {
+ if (readw(baseAddr + key) == keycode)
+ break;
+ msleep(10);
+ }
+ if (readw(baseAddr + key) != keycode)
+ return -EIO;
+ }
+ writew(0, baseAddr + loadlen);
+ writew(usum, baseAddr + checksum);
+ writew(0, baseAddr + key);
+ for (i = 0; i < 100; i++) {
+ if (readw(baseAddr + key) == keycode)
+ break;
+ msleep(10);
+ }
+ retry++;
+ } while ((readb(baseAddr + checksum_ok) != 1) && (retry < 3));
+ if (readb(baseAddr + checksum_ok) != 1)
+ return -EIO;
+
+ writew(0, baseAddr + key);
+ for (i = 0; i < 600; i++) {
+ if (readw(baseAddr + Magic_no) == Magic_code)
+ break;
+ msleep(10);
+ }
+ if (readw(baseAddr + Magic_no) != Magic_code)
+ return -EIO;
+
+ if (c320) {
+ if (brd->busType == MOXA_BUS_TYPE_PCI) { /* ASIC board */
+ writew(0x3800, baseAddr + TMS320_PORT1);
+ writew(0x3900, baseAddr + TMS320_PORT2);
+ writew(28499, baseAddr + TMS320_CLOCK);
+ } else {
+ writew(0x3200, baseAddr + TMS320_PORT1);
+ writew(0x3400, baseAddr + TMS320_PORT2);
+ writew(19999, baseAddr + TMS320_CLOCK);
+ }
+ }
+ writew(1, baseAddr + Disable_IRQ);
+ writew(0, baseAddr + Magic_no);
+ for (i = 0; i < 500; i++) {
+ if (readw(baseAddr + Magic_no) == Magic_code)
+ break;
+ msleep(10);
+ }
+ if (readw(baseAddr + Magic_no) != Magic_code)
+ return -EIO;
+
+ if (c320) {
+ j = readw(baseAddr + Module_cnt);
+ if (j <= 0)
+ return -EIO;
+ brd->numPorts = j * 8;
+ writew(j, baseAddr + Module_no);
+ writew(0, baseAddr + Magic_no);
+ for (i = 0; i < 600; i++) {
+ if (readw(baseAddr + Magic_no) == Magic_code)
+ break;
+ msleep(10);
+ }
+ if (readw(baseAddr + Magic_no) != Magic_code)
+ return -EIO;
+ }
+ moxaCard = 1;
+ brd->intNdx = baseAddr + IRQindex;
+ brd->intPend = baseAddr + IRQpending;
+ brd->intTable = baseAddr + IRQtable;
+
+ return 0;
+}
+
+static int moxa_load_code(struct moxa_board_conf *brd, const void *ptr,
+ size_t len)
+{
+ void __iomem *ofsAddr, *baseAddr = brd->basemem;
+ struct moxa_port *port;
+ int retval, i;
+
+ if (len % 2) {
+ printk(KERN_ERR "moxa: bios length is not even\n");
+ return -EINVAL;
+ }
+
+ retval = moxa_real_load_code(brd, ptr, len); /* may change numPorts */
+ if (retval)
+ return retval;
+
+ switch (brd->boardType) {
+ case MOXA_BOARD_C218_ISA:
+ case MOXA_BOARD_C218_PCI:
+ case MOXA_BOARD_CP204J:
+ port = brd->ports;
+ for (i = 0; i < brd->numPorts; i++, port++) {
+ port->board = brd;
+ port->chkPort = 1;
+ port->curBaud = 9600L;
+ port->DCDState = 0;
+ port->tableAddr = baseAddr + Extern_table +
+ Extern_size * i;
+ ofsAddr = port->tableAddr;
+ writew(C218rx_mask, ofsAddr + RX_mask);
+ writew(C218tx_mask, ofsAddr + TX_mask);
+ writew(C218rx_spage + i * C218buf_pageno, ofsAddr + Page_rxb);
+ writew(readw(ofsAddr + Page_rxb) + C218rx_pageno, ofsAddr + EndPage_rxb);
+
+ writew(C218tx_spage + i * C218buf_pageno, ofsAddr + Page_txb);
+ writew(readw(ofsAddr + Page_txb) + C218tx_pageno, ofsAddr + EndPage_txb);
+
+ }
+ break;
+ default:
+ port = brd->ports;
+ for (i = 0; i < brd->numPorts; i++, port++) {
+ port->board = brd;
+ port->chkPort = 1;
+ port->curBaud = 9600L;
+ port->DCDState = 0;
+ port->tableAddr = baseAddr + Extern_table +
+ Extern_size * i;
+ ofsAddr = port->tableAddr;
+ switch (brd->numPorts) {
+ case 8:
+ writew(C320p8rx_mask, ofsAddr + RX_mask);
+ writew(C320p8tx_mask, ofsAddr + TX_mask);
+ writew(C320p8rx_spage + i * C320p8buf_pgno, ofsAddr + Page_rxb);
+ writew(readw(ofsAddr + Page_rxb) + C320p8rx_pgno, ofsAddr + EndPage_rxb);
+ writew(C320p8tx_spage + i * C320p8buf_pgno, ofsAddr + Page_txb);
+ writew(readw(ofsAddr + Page_txb) + C320p8tx_pgno, ofsAddr + EndPage_txb);
+
+ break;
+ case 16:
+ writew(C320p16rx_mask, ofsAddr + RX_mask);
+ writew(C320p16tx_mask, ofsAddr + TX_mask);
+ writew(C320p16rx_spage + i * C320p16buf_pgno, ofsAddr + Page_rxb);
+ writew(readw(ofsAddr + Page_rxb) + C320p16rx_pgno, ofsAddr + EndPage_rxb);
+ writew(C320p16tx_spage + i * C320p16buf_pgno, ofsAddr + Page_txb);
+ writew(readw(ofsAddr + Page_txb) + C320p16tx_pgno, ofsAddr + EndPage_txb);
+ break;
+
+ case 24:
+ writew(C320p24rx_mask, ofsAddr + RX_mask);
+ writew(C320p24tx_mask, ofsAddr + TX_mask);
+ writew(C320p24rx_spage + i * C320p24buf_pgno, ofsAddr + Page_rxb);
+ writew(readw(ofsAddr + Page_rxb) + C320p24rx_pgno, ofsAddr + EndPage_rxb);
+ writew(C320p24tx_spage + i * C320p24buf_pgno, ofsAddr + Page_txb);
+ writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb);
+ break;
+ case 32:
+ writew(C320p32rx_mask, ofsAddr + RX_mask);
+ writew(C320p32tx_mask, ofsAddr + TX_mask);
+ writew(C320p32tx_ofs, ofsAddr + Ofs_txb);
+ writew(C320p32rx_spage + i * C320p32buf_pgno, ofsAddr + Page_rxb);
+ writew(readb(ofsAddr + Page_rxb), ofsAddr + EndPage_rxb);
+ writew(C320p32tx_spage + i * C320p32buf_pgno, ofsAddr + Page_txb);
+ writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb);
+ break;
+ }
+ }
+ break;
+ }
+ brd->loadstat = 1;
+ return 0;
+}
+
+static int moxa_load_fw(struct moxa_board_conf *brd, const struct firmware *fw)
+{
+ void *ptr = fw->data;
+ char rsn[64];
+ u16 lens[5];
+ size_t len;
+ unsigned int a, lenp, lencnt;
+ int ret = -EINVAL;
+ struct {
+ __le32 magic; /* 0x34303430 */
+ u8 reserved1[2];
+ u8 type; /* UNIX = 3 */
+ u8 model; /* C218T=1, C320T=2, CP204=3 */
+ u8 reserved2[8];
+ __le16 len[5];
+ } *hdr = ptr;
+
+ BUILD_BUG_ON(ARRAY_SIZE(hdr->len) != ARRAY_SIZE(lens));
+
+ if (fw->size < MOXA_FW_HDRLEN) {
+ strcpy(rsn, "too short (even header won't fit)");
+ goto err;
+ }
+ if (hdr->magic != cpu_to_le32(0x30343034)) {
+ sprintf(rsn, "bad magic: %.8x", le32_to_cpu(hdr->magic));
+ goto err;
+ }
+ if (hdr->type != 3) {
+ sprintf(rsn, "not for linux, type is %u", hdr->type);
+ goto err;
+ }
+ if (moxa_check_fw_model(brd, hdr->model)) {
+ sprintf(rsn, "not for this card, model is %u", hdr->model);
+ goto err;
+ }
+
+ len = MOXA_FW_HDRLEN;
+ lencnt = hdr->model == 2 ? 5 : 3;
+ for (a = 0; a < ARRAY_SIZE(lens); a++) {
+ lens[a] = le16_to_cpu(hdr->len[a]);
+ if (lens[a] && len + lens[a] <= fw->size &&
+ moxa_check_fw(&fw->data[len]))
+ printk(KERN_WARNING "moxa firmware: unexpected input "
+ "at offset %u, but going on\n", (u32)len);
+ if (!lens[a] && a < lencnt) {
+ sprintf(rsn, "too few entries in fw file");
+ goto err;
+ }
+ len += lens[a];
+ }
+
+ if (len != fw->size) {
+ sprintf(rsn, "bad length: %u (should be %u)", (u32)fw->size,
+ (u32)len);
+ goto err;
+ }
+
+ ptr += MOXA_FW_HDRLEN;
+ lenp = 0; /* bios */
+
+ strcpy(rsn, "read above");
+
+ ret = moxa_load_bios(brd, ptr, lens[lenp]);
+ if (ret)
+ goto err;
+
+ /* we skip the tty section (lens[1]), since we don't need it */
+ ptr += lens[lenp] + lens[lenp + 1];
+ lenp += 2; /* comm */
+
+ if (hdr->model == 2) {
+ ret = moxa_load_320b(brd, ptr, lens[lenp]);
+ if (ret)
+ goto err;
+ /* skip another tty */
+ ptr += lens[lenp] + lens[lenp + 1];
+ lenp += 2;
+ }
+
+ ret = moxa_load_code(brd, ptr, lens[lenp]);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ printk(KERN_ERR "firmware failed to load, reason: %s\n", rsn);
+ return ret;
+}
+
+static int moxa_init_board(struct moxa_board_conf *brd, struct device *dev)
+{
+ const struct firmware *fw;
+ const char *file;
+ int ret;
+
+ switch (brd->boardType) {
+ case MOXA_BOARD_C218_ISA:
+ case MOXA_BOARD_C218_PCI:
+ file = "c218tunx.cod";
+ break;
+ case MOXA_BOARD_CP204J:
+ file = "cp204unx.cod";
+ break;
+ default:
+ file = "c320tunx.cod";
+ break;
+ }
+
+ ret = request_firmware(&fw, file, dev);
+ if (ret) {
+ printk(KERN_ERR "request_firmware failed\n");
+ goto end;
+ }
+
+ ret = moxa_load_fw(brd, fw);
+
+ release_firmware(fw);
+end:
+ return ret;
+}
+
#ifdef CONFIG_PCI
-static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, moxa_board_conf * board)
+static int __devinit moxa_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
- board->baseAddr = pci_resource_start (p, 2);
+ struct moxa_board_conf *board;
+ unsigned int i;
+ int board_type = ent->driver_data;
+ int retval;
+
+ retval = pci_enable_device(pdev);
+ if (retval) {
+ dev_err(&pdev->dev, "can't enable pci device\n");
+ goto err;
+ }
+
+ for (i = 0; i < MAX_BOARDS; i++)
+ if (moxa_boards[i].basemem == NULL)
+ break;
+
+ retval = -ENODEV;
+ if (i >= MAX_BOARDS) {
+ dev_warn(&pdev->dev, "more than %u MOXA Intellio family boards "
+ "found. Board is ignored.\n", MAX_BOARDS);
+ goto err;
+ }
+
+ board = &moxa_boards[i];
+ board->ports = &moxa_ports[i * MAX_PORTS_PER_BOARD];
+
+ retval = pci_request_region(pdev, 2, "moxa-base");
+ if (retval) {
+ dev_err(&pdev->dev, "can't request pci region 2\n");
+ goto err;
+ }
+
+ board->basemem = ioremap(pci_resource_start(pdev, 2), 0x4000);
+ if (board->basemem == NULL) {
+ dev_err(&pdev->dev, "can't remap io space 2\n");
+ goto err_reg;
+ }
+
board->boardType = board_type;
switch (board_type) {
case MOXA_BOARD_C218_ISA:
break;
}
board->busType = MOXA_BUS_TYPE_PCI;
- board->pciInfo.busNum = p->bus->number;
- board->pciInfo.devNum = p->devfn >> 3;
+
+ retval = moxa_init_board(board, &pdev->dev);
+ if (retval)
+ goto err_base;
+
+ pci_set_drvdata(pdev, board);
return (0);
+err_base:
+ iounmap(board->basemem);
+ board->basemem = NULL;
+err_reg:
+ pci_release_region(pdev, 2);
+err:
+ return retval;
}
+
+static void __devexit moxa_pci_remove(struct pci_dev *pdev)
+{
+ struct moxa_board_conf *brd = pci_get_drvdata(pdev);
+
+ iounmap(brd->basemem);
+ brd->basemem = NULL;
+ pci_release_region(pdev, 2);
+}
+
+static struct pci_driver moxa_pci_driver = {
+ .name = "moxa",
+ .id_table = moxa_pcibrds,
+ .probe = moxa_pci_probe,
+ .remove = __devexit_p(moxa_pci_remove)
+};
#endif /* CONFIG_PCI */
static int __init moxa_init(void)
{
- int i, numBoards;
- struct moxa_str *ch;
+ struct moxa_port *ch;
+ unsigned int i, isabrds = 0;
+ int retval = 0;
- printk(KERN_INFO "MOXA Intellio family driver version %s\n", MOXA_VERSION);
+ printk(KERN_INFO "MOXA Intellio family driver version %s\n",
+ MOXA_VERSION);
moxaDriver = alloc_tty_driver(MAX_PORTS + 1);
if (!moxaDriver)
return -ENOMEM;
- init_MUTEX(&moxaBuffSem);
moxaDriver->owner = THIS_MODULE;
moxaDriver->name = "ttyMX";
moxaDriver->major = ttymajor;
moxaDriver->type = TTY_DRIVER_TYPE_SERIAL;
moxaDriver->subtype = SERIAL_TYPE_NORMAL;
moxaDriver->init_termios = tty_std_termios;
- moxaDriver->init_termios.c_iflag = 0;
- moxaDriver->init_termios.c_oflag = 0;
moxaDriver->init_termios.c_cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
- moxaDriver->init_termios.c_lflag = 0;
+ moxaDriver->init_termios.c_ispeed = 9600;
+ moxaDriver->init_termios.c_ospeed = 9600;
moxaDriver->flags = TTY_DRIVER_REAL_RAW;
tty_set_operations(moxaDriver, &moxa_ops);
- moxaXmitBuff = NULL;
-
- for (i = 0, ch = moxaChannels; i < MAX_PORTS; i++, ch++) {
+ for (i = 0, ch = moxa_ports; i < MAX_PORTS; i++, ch++) {
ch->type = PORT_16550A;
- ch->port = i;
- INIT_WORK(&ch->tqueue, do_moxa_softint, ch);
- ch->tty = NULL;
ch->close_delay = 5 * HZ / 10;
ch->closing_wait = 30 * HZ;
- ch->count = 0;
- ch->blocked_open = 0;
ch->cflag = B9600 | CS8 | CREAD | CLOCAL | HUPCL;
init_waitqueue_head(&ch->open_wait);
- init_waitqueue_head(&ch->close_wait);
- }
+ init_completion(&ch->close_wait);
- for (i = 0; i < MAX_BOARDS; i++) {
- moxa_boards[i].boardType = 0;
- moxa_boards[i].numPorts = 0;
- moxa_boards[i].baseAddr = 0;
- moxa_boards[i].busType = 0;
- moxa_boards[i].pciInfo.busNum = 0;
- moxa_boards[i].pciInfo.devNum = 0;
+ setup_timer(&ch->emptyTimer, moxa_check_xmit_empty,
+ (unsigned long)ch);
}
- MoxaDriverInit();
- printk("Tty devices major number = %d\n", ttymajor);
+
+ pr_debug("Moxa tty devices major number = %d\n", ttymajor);
if (tty_register_driver(moxaDriver)) {
printk(KERN_ERR "Couldn't install MOXA Smartio family driver !\n");
put_tty_driver(moxaDriver);
return -1;
}
- for (i = 0; i < MAX_PORTS; i++) {
- init_timer(&moxaEmptyTimer[i]);
- moxaEmptyTimer[i].function = check_xmit_empty;
- moxaEmptyTimer[i].data = (unsigned long) & moxaChannels[i];
- moxaEmptyTimer_on[i] = 0;
- }
- init_timer(&moxaTimer);
- moxaTimer.function = moxa_poll;
- moxaTimer.expires = jiffies + (HZ / 50);
- moxaTimer_on = 1;
- add_timer(&moxaTimer);
+ mod_timer(&moxaTimer, jiffies + HZ / 50);
- /* Find the boards defined in source code */
- numBoards = 0;
- for (i = 0; i < MAX_BOARDS; i++) {
- if ((moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA) ||
- (moxa_isa_boards[i].boardType == MOXA_BOARD_C320_ISA)) {
- moxa_boards[numBoards].boardType = moxa_isa_boards[i].boardType;
- if (moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA)
- moxa_boards[numBoards].numPorts = 8;
- else
- moxa_boards[numBoards].numPorts = moxa_isa_boards[i].numPorts;
- moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA;
- moxa_boards[numBoards].baseAddr = moxa_isa_boards[i].baseAddr;
- if (verbose)
- printk("Board %2d: %s board(baseAddr=%lx)\n",
- numBoards + 1,
- moxa_brdname[moxa_boards[numBoards].boardType - 1],
- moxa_boards[numBoards].baseAddr);
- numBoards++;
- }
- }
- /* Find the boards defined form module args. */
+ /* Find the boards defined from module args. */
#ifdef MODULE
+ {
+ struct moxa_board_conf *brd = moxa_boards;
for (i = 0; i < MAX_BOARDS; i++) {
- if ((type[i] == MOXA_BOARD_C218_ISA) ||
- (type[i] == MOXA_BOARD_C320_ISA)) {
- if (verbose)
- printk("Board %2d: %s board(baseAddr=%lx)\n",
- numBoards + 1,
- moxa_brdname[type[i] - 1],
- (unsigned long) baseaddr[i]);
- if (numBoards >= MAX_BOARDS) {
- if (verbose)
- printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS);
+ if (!baseaddr[i])
+ break;
+ if (type[i] == MOXA_BOARD_C218_ISA ||
+ type[i] == MOXA_BOARD_C320_ISA) {
+ pr_debug("Moxa board %2d: %s board(baseAddr=%lx)\n",
+ isabrds + 1, moxa_brdname[type[i] - 1],
+ baseaddr[i]);
+ brd->boardType = type[i];
+ brd->ports = &moxa_ports[isabrds * MAX_PORTS_PER_BOARD];
+ brd->numPorts = type[i] == MOXA_BOARD_C218_ISA ? 8 :
+ numports[i];
+ brd->busType = MOXA_BUS_TYPE_ISA;
+ brd->basemem = ioremap(baseaddr[i], 0x4000);
+ if (!brd->basemem) {
+ printk(KERN_ERR "moxa: can't remap %lx\n",
+ baseaddr[i]);
continue;
}
- moxa_boards[numBoards].boardType = type[i];
- if (moxa_isa_boards[i].boardType == MOXA_BOARD_C218_ISA)
- moxa_boards[numBoards].numPorts = 8;
- else
- moxa_boards[numBoards].numPorts = numports[i];
- moxa_boards[numBoards].busType = MOXA_BUS_TYPE_ISA;
- moxa_boards[numBoards].baseAddr = baseaddr[i];
- numBoards++;
+ if (moxa_init_board(brd, NULL)) {
+ iounmap(brd->basemem);
+ brd->basemem = NULL;
+ continue;
+ }
+
+ brd++;
+ isabrds++;
}
}
+ }
#endif
- /* Find PCI boards here */
+
#ifdef CONFIG_PCI
- {
- struct pci_dev *p = NULL;
- int n = ARRAY_SIZE(moxa_pcibrds) - 1;
- i = 0;
- while (i < n) {
- while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)
- {
- if (pci_enable_device(p))
- continue;
- if (numBoards >= MAX_BOARDS) {
- if (verbose)
- printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS);
- } else {
- moxa_get_PCI_conf(p, moxa_pcibrds[i].driver_data,
- &moxa_boards[numBoards]);
- numBoards++;
- }
- }
- i++;
- }
+ retval = pci_register_driver(&moxa_pci_driver);
+ if (retval) {
+ printk(KERN_ERR "Can't register moxa pci driver!\n");
+ if (isabrds)
+ retval = 0;
}
#endif
- for (i = 0; i < numBoards; i++) {
- moxaBaseAddr[i] = ioremap((unsigned long) moxa_boards[i].baseAddr, 0x4000);
- }
- return (0);
+ return retval;
}
static void __exit moxa_exit(void)
{
int i;
- if (verbose)
- printk("Unloading module moxa ...\n");
-
- if (moxaTimer_on)
- del_timer(&moxaTimer);
+ del_timer_sync(&moxaTimer);
for (i = 0; i < MAX_PORTS; i++)
- if (moxaEmptyTimer_on[i])
- del_timer(&moxaEmptyTimer[i]);
+ del_timer_sync(&moxa_ports[i].emptyTimer);
if (tty_unregister_driver(moxaDriver))
- printk("Couldn't unregister MOXA Intellio family serial driver\n");
+ printk(KERN_ERR "Couldn't unregister MOXA Intellio family "
+ "serial driver\n");
put_tty_driver(moxaDriver);
- if (verbose)
- printk("Done\n");
+
+#ifdef CONFIG_PCI
+ pci_unregister_driver(&moxa_pci_driver);
+#endif
+
+ for (i = 0; i < MAX_BOARDS; i++)
+ if (moxa_boards[i].basemem)
+ iounmap(moxa_boards[i].basemem);
}
module_init(moxa_init);
module_exit(moxa_exit);
-static void do_moxa_softint(void *private_)
-{
- struct moxa_str *ch = (struct moxa_str *) private_;
- struct tty_struct *tty;
-
- if (ch && (tty = ch->tty)) {
- if (test_and_clear_bit(MOXA_EVENT_HANGUP, &ch->event)) {
- tty_hangup(tty); /* FIXME: module removal race here - AKPM */
- wake_up_interruptible(&ch->open_wait);
- ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE;
- }
- }
-}
-
static int moxa_open(struct tty_struct *tty, struct file *filp)
{
- struct moxa_str *ch;
+ struct moxa_port *ch;
int port;
int retval;
- unsigned long page;
- port = PORTNO(tty);
+ port = tty->index;
if (port == MAX_PORTS) {
return (0);
}
tty->driver_data = NULL;
return (-ENODEV);
}
- down(&moxaBuffSem);
- if (!moxaXmitBuff) {
- page = get_zeroed_page(GFP_KERNEL);
- if (!page) {
- up(&moxaBuffSem);
- return (-ENOMEM);
- }
- /* This test is guarded by the BuffSem so no longer needed
- delete me in 2.5 */
- if (moxaXmitBuff)
- free_page(page);
- else
- moxaXmitBuff = (unsigned char *) page;
- }
- up(&moxaBuffSem);
- ch = &moxaChannels[port];
+ ch = &moxa_ports[port];
ch->count++;
tty->driver_data = ch;
ch->tty = tty;
if (!(ch->asyncflags & ASYNC_INITIALIZED)) {
ch->statusflags = 0;
- set_tty_param(tty);
- MoxaPortLineCtrl(ch->port, 1, 1);
- MoxaPortEnable(ch->port);
+ moxa_set_tty_param(tty, tty->termios);
+ MoxaPortLineCtrl(ch, 1, 1);
+ MoxaPortEnable(ch);
ch->asyncflags |= ASYNC_INITIALIZED;
}
- retval = block_till_ready(tty, filp, ch);
+ retval = moxa_block_till_ready(tty, filp, ch);
moxa_unthrottle(tty);
if (ch->type == PORT_16550A) {
- MoxaSetFifo(ch->port, 1);
+ MoxaSetFifo(ch, 1);
} else {
- MoxaSetFifo(ch->port, 0);
+ MoxaSetFifo(ch, 0);
}
return (retval);
static void moxa_close(struct tty_struct *tty, struct file *filp)
{
- struct moxa_str *ch;
+ struct moxa_port *ch;
int port;
- port = PORTNO(tty);
+ port = tty->index;
if (port == MAX_PORTS) {
return;
}
if (!MoxaPortIsValid(port)) {
-#ifdef SERIAL_DEBUG_CLOSE
- printk("Invalid portno in moxa_close\n");
-#endif
+ pr_debug("Invalid portno in moxa_close\n");
tty->driver_data = NULL;
return;
}
if (tty_hung_up_p(filp)) {
return;
}
- ch = (struct moxa_str *) tty->driver_data;
+ ch = (struct moxa_port *) tty->driver_data;
if ((tty->count == 1) && (ch->count != 1)) {
- printk("moxa_close: bad serial port count; tty->count is 1, "
- "ch->count is %d\n", ch->count);
+ printk(KERN_WARNING "moxa_close: bad serial port count; "
+ "tty->count is 1, ch->count is %d\n", ch->count);
ch->count = 1;
}
if (--ch->count < 0) {
- printk("moxa_close: bad serial port count, device=%s\n",
- tty->name);
+ printk(KERN_WARNING "moxa_close: bad serial port count, "
+ "device=%s\n", tty->name);
ch->count = 0;
}
if (ch->count) {
ch->cflag = tty->termios->c_cflag;
if (ch->asyncflags & ASYNC_INITIALIZED) {
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
tty_wait_until_sent(tty, 30 * HZ); /* 30 seconds timeout */
- moxaEmptyTimer_on[ch->port] = 0;
- del_timer(&moxaEmptyTimer[ch->port]);
+ del_timer_sync(&ch->emptyTimer);
}
- shut_down(ch);
- MoxaPortFlushData(port, 2);
+ moxa_shut_down(ch);
+ MoxaPortFlushData(ch, 2);
if (tty->driver->flush_buffer)
tty->driver->flush_buffer(tty);
wake_up_interruptible(&ch->open_wait);
}
ch->asyncflags &= ~(ASYNC_NORMAL_ACTIVE | ASYNC_CLOSING);
- wake_up_interruptible(&ch->close_wait);
+ complete_all(&ch->close_wait);
}
static int moxa_write(struct tty_struct *tty,
const unsigned char *buf, int count)
{
- struct moxa_str *ch;
- int len, port;
+ struct moxa_port *ch = tty->driver_data;
unsigned long flags;
+ int len;
- ch = (struct moxa_str *) tty->driver_data;
if (ch == NULL)
- return (0);
- port = ch->port;
+ return 0;
spin_lock_irqsave(&moxa_lock, flags);
- len = MoxaPortWriteData(port, (unsigned char *) buf, count);
+ len = MoxaPortWriteData(ch, (unsigned char *) buf, count);
spin_unlock_irqrestore(&moxa_lock, flags);
/*********************************************
static int moxa_write_room(struct tty_struct *tty)
{
- struct moxa_str *ch;
+ struct moxa_port *ch;
if (tty->stopped)
return (0);
- ch = (struct moxa_str *) tty->driver_data;
+ ch = tty->driver_data;
if (ch == NULL)
return (0);
- return (MoxaPortTxFree(ch->port));
+ return MoxaPortTxFree(ch);
}
static void moxa_flush_buffer(struct tty_struct *tty)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = tty->driver_data;
if (ch == NULL)
return;
- MoxaPortFlushData(ch->port, 1);
+ MoxaPortFlushData(ch, 1);
tty_wakeup(tty);
}
static int moxa_chars_in_buffer(struct tty_struct *tty)
{
+ struct moxa_port *ch = tty->driver_data;
int chars;
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
/*
* Sigh...I have to check if driver_data is NULL here, because
*/
if (ch == NULL)
return (0);
- chars = MoxaPortTxQueue(ch->port);
+ chars = MoxaPortTxQueue(ch);
if (chars) {
/*
* Make it possible to wakeup anything waiting for output
* in tty_ioctl.c, etc.
*/
if (!(ch->statusflags & EMPTYWAIT))
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
}
return (chars);
}
static void moxa_put_char(struct tty_struct *tty, unsigned char c)
{
- struct moxa_str *ch;
- int port;
+ struct moxa_port *ch = tty->driver_data;
unsigned long flags;
- ch = (struct moxa_str *) tty->driver_data;
if (ch == NULL)
return;
- port = ch->port;
spin_lock_irqsave(&moxa_lock, flags);
- moxaXmitBuff[0] = c;
- MoxaPortWriteData(port, moxaXmitBuff, 1);
+ MoxaPortWriteData(ch, &c, 1);
spin_unlock_irqrestore(&moxa_lock, flags);
/************************************************
if ( !(ch->statusflags & LOWWAIT) && (MoxaPortTxFree(port) <= 100) )
static int moxa_tiocmget(struct tty_struct *tty, struct file *file)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
- int port;
+ struct moxa_port *ch = tty->driver_data;
int flag = 0, dtr, rts;
- port = PORTNO(tty);
- if ((port != MAX_PORTS) && (!ch))
+ if ((tty->index != MAX_PORTS) && (!ch))
return (-EINVAL);
- MoxaPortGetLineOut(ch->port, &dtr, &rts);
+ MoxaPortGetLineOut(ch, &dtr, &rts);
if (dtr)
flag |= TIOCM_DTR;
if (rts)
flag |= TIOCM_RTS;
- dtr = MoxaPortLineStatus(ch->port);
+ dtr = MoxaPortLineStatus(ch);
if (dtr & 1)
flag |= TIOCM_CTS;
if (dtr & 2)
static int moxa_tiocmset(struct tty_struct *tty, struct file *file,
unsigned int set, unsigned int clear)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = tty->driver_data;
int port;
int dtr, rts;
- port = PORTNO(tty);
+ port = tty->index;
if ((port != MAX_PORTS) && (!ch))
return (-EINVAL);
- MoxaPortGetLineOut(ch->port, &dtr, &rts);
+ MoxaPortGetLineOut(ch, &dtr, &rts);
if (set & TIOCM_RTS)
rts = 1;
if (set & TIOCM_DTR)
rts = 0;
if (clear & TIOCM_DTR)
dtr = 0;
- MoxaPortLineCtrl(ch->port, dtr, rts);
+ MoxaPortLineCtrl(ch, dtr, rts);
return 0;
}
static int moxa_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = tty->driver_data;
register int port;
void __user *argp = (void __user *)arg;
int retval;
- port = PORTNO(tty);
+ port = tty->index;
if ((port != MAX_PORTS) && (!ch))
return (-EINVAL);
retval = tty_check_change(tty);
if (retval)
return (retval);
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
tty_wait_until_sent(tty, 0);
if (!arg)
- MoxaPortSendBreak(ch->port, 0);
+ MoxaPortSendBreak(ch, 0);
return (0);
case TCSBRKP: /* support for POSIX tcsendbreak() */
retval = tty_check_change(tty);
if (retval)
return (retval);
- setup_empty_event(tty);
+ moxa_setup_empty_event(tty);
tty_wait_until_sent(tty, 0);
- MoxaPortSendBreak(ch->port, arg);
+ MoxaPortSendBreak(ch, arg);
return (0);
case TIOCGSOFTCAR:
- return put_user(C_CLOCAL(tty) ? 1 : 0, (unsigned long __user *) argp);
+ return put_user(C_CLOCAL(tty) ? 1 : 0, (int __user *)argp);
case TIOCSSOFTCAR:
- if(get_user(retval, (unsigned long __user *) argp))
+ if (get_user(retval, (int __user *)argp))
return -EFAULT;
arg = retval;
tty->termios->c_cflag = ((tty->termios->c_cflag & ~CLOCAL) |
case TIOCSSERIAL:
return moxa_set_serial_info(ch, argp);
default:
- retval = MoxaDriverIoctl(cmd, arg, port);
+ retval = MoxaDriverIoctl(tty, cmd, arg);
}
return (retval);
}
static void moxa_throttle(struct tty_struct *tty)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
ch->statusflags |= THROTTLE;
}
static void moxa_unthrottle(struct tty_struct *tty)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
ch->statusflags &= ~THROTTLE;
}
static void moxa_set_termios(struct tty_struct *tty,
- struct termios *old_termios)
+ struct ktermios *old_termios)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
if (ch == NULL)
return;
- set_tty_param(tty);
+ moxa_set_tty_param(tty, old_termios);
if (!(old_termios->c_cflag & CLOCAL) &&
(tty->termios->c_cflag & CLOCAL))
wake_up_interruptible(&ch->open_wait);
static void moxa_stop(struct tty_struct *tty)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
if (ch == NULL)
return;
- MoxaPortTxDisable(ch->port);
+ MoxaPortTxDisable(ch);
ch->statusflags |= TXSTOPPED;
}
static void moxa_start(struct tty_struct *tty)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
if (ch == NULL)
return;
if (!(ch->statusflags & TXSTOPPED))
return;
- MoxaPortTxEnable(ch->port);
+ MoxaPortTxEnable(ch);
ch->statusflags &= ~TXSTOPPED;
}
static void moxa_hangup(struct tty_struct *tty)
{
- struct moxa_str *ch = (struct moxa_str *) tty->driver_data;
+ struct moxa_port *ch = (struct moxa_port *) tty->driver_data;
moxa_flush_buffer(tty);
- shut_down(ch);
+ moxa_shut_down(ch);
ch->event = 0;
ch->count = 0;
ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE;
static void moxa_poll(unsigned long ignored)
{
register int card;
- struct moxa_str *ch;
+ struct moxa_port *ch;
struct tty_struct *tp;
int i, ports;
- moxaTimer_on = 0;
del_timer(&moxaTimer);
if (MoxaDriverPoll() < 0) {
- moxaTimer.function = moxa_poll;
- moxaTimer.expires = jiffies + (HZ / 50);
- moxaTimer_on = 1;
- add_timer(&moxaTimer);
+ mod_timer(&moxaTimer, jiffies + HZ / 50);
return;
}
for (card = 0; card < MAX_BOARDS; card++) {
if ((ports = MoxaPortsOfCard(card)) <= 0)
continue;
- ch = &moxaChannels[card * MAX_PORTS_PER_BOARD];
+ ch = &moxa_ports[card * MAX_PORTS_PER_BOARD];
for (i = 0; i < ports; i++, ch++) {
if ((ch->asyncflags & ASYNC_INITIALIZED) == 0)
continue;
if (!(ch->statusflags & THROTTLE) &&
- (MoxaPortRxQueue(ch->port) > 0))
- receive_data(ch);
+ (MoxaPortRxQueue(ch) > 0))
+ moxa_receive_data(ch);
if ((tp = ch->tty) == 0)
continue;
if (ch->statusflags & LOWWAIT) {
- if (MoxaPortTxQueue(ch->port) <= WAKEUP_CHARS) {
+ if (MoxaPortTxQueue(ch) <= WAKEUP_CHARS) {
if (!tp->stopped) {
ch->statusflags &= ~LOWWAIT;
tty_wakeup(tp);
}
}
}
- if (!I_IGNBRK(tp) && (MoxaPortResetBrkCnt(ch->port) > 0)) {
+ if (!I_IGNBRK(tp) && (MoxaPortResetBrkCnt(ch) > 0)) {
tty_insert_flip_char(tp, 0, TTY_BREAK);
tty_schedule_flip(tp);
}
- if (MoxaPortDCDChange(ch->port)) {
+ if (MoxaPortDCDChange(ch)) {
if (ch->asyncflags & ASYNC_CHECK_CD) {
- if (MoxaPortDCDON(ch->port))
+ if (MoxaPortDCDON(ch))
wake_up_interruptible(&ch->open_wait);
else {
- set_bit(MOXA_EVENT_HANGUP, &ch->event);
- schedule_work(&ch->tqueue);
+ tty_hangup(tp);
+ wake_up_interruptible(&ch->open_wait);
+ ch->asyncflags &= ~ASYNC_NORMAL_ACTIVE;
}
}
}
}
}
- moxaTimer.function = moxa_poll;
- moxaTimer.expires = jiffies + (HZ / 50);
- moxaTimer_on = 1;
- add_timer(&moxaTimer);
+ mod_timer(&moxaTimer, jiffies + HZ / 50);
}
/******************************************************************************/
-static void set_tty_param(struct tty_struct *tty)
+static void moxa_set_tty_param(struct tty_struct *tty, struct ktermios *old_termios)
{
- register struct termios *ts;
- struct moxa_str *ch;
- int rts, cts, txflow, rxflow, xany;
+ register struct ktermios *ts;
+ struct moxa_port *ch;
+ int rts, cts, txflow, rxflow, xany, baud;
- ch = (struct moxa_str *) tty->driver_data;
+ ch = (struct moxa_port *) tty->driver_data;
ts = tty->termios;
if (ts->c_cflag & CLOCAL)
ch->asyncflags &= ~ASYNC_CHECK_CD;
rxflow = 1;
if (ts->c_iflag & IXANY)
xany = 1;
- MoxaPortFlowCtrl(ch->port, rts, cts, txflow, rxflow, xany);
- MoxaPortSetTermio(ch->port, ts, tty_get_baud_rate(tty));
+
+ /* Clear the features we don't support */
+ ts->c_cflag &= ~CMSPAR;
+ MoxaPortFlowCtrl(ch, rts, cts, txflow, rxflow, xany);
+ baud = MoxaPortSetTermio(ch, ts, tty_get_baud_rate(tty));
+ if (baud == -1)
+ baud = tty_termios_baud_rate(old_termios);
+ /* Not put the baud rate into the termios data */
+ tty_encode_baud_rate(tty, baud, baud);
}
-static int block_till_ready(struct tty_struct *tty, struct file *filp,
- struct moxa_str *ch)
+static int moxa_block_till_ready(struct tty_struct *tty, struct file *filp,
+ struct moxa_port *ch)
{
DECLARE_WAITQUEUE(wait,current);
unsigned long flags;
*/
if (tty_hung_up_p(filp) || (ch->asyncflags & ASYNC_CLOSING)) {
if (ch->asyncflags & ASYNC_CLOSING)
- interruptible_sleep_on(&ch->close_wait);
+ wait_for_completion_interruptible(&ch->close_wait);
#ifdef SERIAL_DO_RESTART
if (ch->asyncflags & ASYNC_HUP_NOTIFY)
return (-EAGAIN);
*/
retval = 0;
add_wait_queue(&ch->open_wait, &wait);
-#ifdef SERIAL_DEBUG_OPEN
- printk("block_til_ready before block: ttys%d, count = %d\n",
- ch->line, ch->count);
-#endif
+ pr_debug("block_til_ready before block: ttys%d, count = %d\n",
+ tty->index, ch->count);
spin_lock_irqsave(&moxa_lock, flags);
if (!tty_hung_up_p(filp))
ch->count--;
break;
}
if (!(ch->asyncflags & ASYNC_CLOSING) && (do_clocal ||
- MoxaPortDCDON(ch->port)))
+ MoxaPortDCDON(ch)))
break;
if (signal_pending(current)) {
ch->count++;
ch->blocked_open--;
spin_unlock_irqrestore(&moxa_lock, flags);
-#ifdef SERIAL_DEBUG_OPEN
- printk("block_til_ready after blocking: ttys%d, count = %d\n",
- ch->line, ch->count);
-#endif
+ pr_debug("block_til_ready after blocking: ttys%d, count = %d\n",
+ tty->index, ch->count);
if (retval)
return (retval);
/* FIXME: review to see if we need to use set_bit on these */
return 0;
}
-static void setup_empty_event(struct tty_struct *tty)
+static void moxa_setup_empty_event(struct tty_struct *tty)
{
- struct moxa_str *ch = tty->driver_data;
+ struct moxa_port *ch = tty->driver_data;
unsigned long flags;
spin_lock_irqsave(&moxa_lock, flags);
ch->statusflags |= EMPTYWAIT;
- moxaEmptyTimer_on[ch->port] = 0;
- del_timer(&moxaEmptyTimer[ch->port]);
- moxaEmptyTimer[ch->port].expires = jiffies + HZ;
- moxaEmptyTimer_on[ch->port] = 1;
- add_timer(&moxaEmptyTimer[ch->port]);
+ mod_timer(&ch->emptyTimer, jiffies + HZ);
spin_unlock_irqrestore(&moxa_lock, flags);
}
-static void check_xmit_empty(unsigned long data)
+static void moxa_check_xmit_empty(unsigned long data)
{
- struct moxa_str *ch;
+ struct moxa_port *ch;
- ch = (struct moxa_str *) data;
- moxaEmptyTimer_on[ch->port] = 0;
- del_timer(&moxaEmptyTimer[ch->port]);
+ ch = (struct moxa_port *) data;
if (ch->tty && (ch->statusflags & EMPTYWAIT)) {
- if (MoxaPortTxQueue(ch->port) == 0) {
+ if (MoxaPortTxQueue(ch) == 0) {
ch->statusflags &= ~EMPTYWAIT;
tty_wakeup(ch->tty);
return;
}
- moxaEmptyTimer[ch->port].expires = jiffies + HZ;
- moxaEmptyTimer_on[ch->port] = 1;
- add_timer(&moxaEmptyTimer[ch->port]);
+ mod_timer(&ch->emptyTimer, round_jiffies(jiffies + HZ));
} else
ch->statusflags &= ~EMPTYWAIT;
}
-static void shut_down(struct moxa_str *ch)
+static void moxa_shut_down(struct moxa_port *ch)
{
struct tty_struct *tp;
tp = ch->tty;
- MoxaPortDisable(ch->port);
+ MoxaPortDisable(ch);
/*
* If we're a modem control device and HUPCL is on, drop RTS & DTR.
*/
if (tp->termios->c_cflag & HUPCL)
- MoxaPortLineCtrl(ch->port, 0, 0);
+ MoxaPortLineCtrl(ch, 0, 0);
ch->asyncflags &= ~ASYNC_INITIALIZED;
}
-static void receive_data(struct moxa_str *ch)
+static void moxa_receive_data(struct moxa_port *ch)
{
struct tty_struct *tp;
- struct termios *ts;
+ struct ktermios *ts;
unsigned long flags;
ts = NULL;
if ( !tp || !ts || !(ts->c_cflag & CREAD) ) {
*****************************************************/
if (!tp || !ts) {
- MoxaPortFlushData(ch->port, 0);
+ MoxaPortFlushData(ch, 0);
return;
}
spin_lock_irqsave(&moxa_lock, flags);
- MoxaPortReadData(ch->port, tp);
+ MoxaPortReadData(ch, tp);
spin_unlock_irqrestore(&moxa_lock, flags);
tty_schedule_flip(tp);
}
-#define Magic_code 0x404
-
-/*
- * System Configuration
- */
-/*
- * for C218 BIOS initialization
- */
-#define C218_ConfBase 0x800
-#define C218_status (C218_ConfBase + 0) /* BIOS running status */
-#define C218_diag (C218_ConfBase + 2) /* diagnostic status */
-#define C218_key (C218_ConfBase + 4) /* WORD (0x218 for C218) */
-#define C218DLoad_len (C218_ConfBase + 6) /* WORD */
-#define C218check_sum (C218_ConfBase + 8) /* BYTE */
-#define C218chksum_ok (C218_ConfBase + 0x0a) /* BYTE (1:ok) */
-#define C218_TestRx (C218_ConfBase + 0x10) /* 8 bytes for 8 ports */
-#define C218_TestTx (C218_ConfBase + 0x18) /* 8 bytes for 8 ports */
-#define C218_RXerr (C218_ConfBase + 0x20) /* 8 bytes for 8 ports */
-#define C218_ErrFlag (C218_ConfBase + 0x28) /* 8 bytes for 8 ports */
-
-#define C218_LoadBuf 0x0F00
-#define C218_KeyCode 0x218
-#define CP204J_KeyCode 0x204
-
-/*
- * for C320 BIOS initialization
- */
-#define C320_ConfBase 0x800
-#define C320_LoadBuf 0x0f00
-#define STS_init 0x05 /* for C320_status */
-
-#define C320_status C320_ConfBase + 0 /* BIOS running status */
-#define C320_diag C320_ConfBase + 2 /* diagnostic status */
-#define C320_key C320_ConfBase + 4 /* WORD (0320H for C320) */
-#define C320DLoad_len C320_ConfBase + 6 /* WORD */
-#define C320check_sum C320_ConfBase + 8 /* WORD */
-#define C320chksum_ok C320_ConfBase + 0x0a /* WORD (1:ok) */
-#define C320bapi_len C320_ConfBase + 0x0c /* WORD */
-#define C320UART_no C320_ConfBase + 0x0e /* WORD */
-
-#define C320_KeyCode 0x320
-
-#define FixPage_addr 0x0000 /* starting addr of static page */
-#define DynPage_addr 0x2000 /* starting addr of dynamic page */
-#define C218_start 0x3000 /* starting addr of C218 BIOS prg */
-#define Control_reg 0x1ff0 /* select page and reset control */
-#define HW_reset 0x80
-
-/*
- * Function Codes
- */
-#define FC_CardReset 0x80
-#define FC_ChannelReset 1 /* C320 firmware not supported */
-#define FC_EnableCH 2
-#define FC_DisableCH 3
-#define FC_SetParam 4
-#define FC_SetMode 5
-#define FC_SetRate 6
-#define FC_LineControl 7
-#define FC_LineStatus 8
-#define FC_XmitControl 9
-#define FC_FlushQueue 10
-#define FC_SendBreak 11
-#define FC_StopBreak 12
-#define FC_LoopbackON 13
-#define FC_LoopbackOFF 14
-#define FC_ClrIrqTable 15
-#define FC_SendXon 16
-#define FC_SetTermIrq 17 /* C320 firmware not supported */
-#define FC_SetCntIrq 18 /* C320 firmware not supported */
-#define FC_SetBreakIrq 19
-#define FC_SetLineIrq 20
-#define FC_SetFlowCtl 21
-#define FC_GenIrq 22
-#define FC_InCD180 23
-#define FC_OutCD180 24
-#define FC_InUARTreg 23
-#define FC_OutUARTreg 24
-#define FC_SetXonXoff 25
-#define FC_OutCD180CCR 26
-#define FC_ExtIQueue 27
-#define FC_ExtOQueue 28
-#define FC_ClrLineIrq 29
-#define FC_HWFlowCtl 30
-#define FC_GetClockRate 35
-#define FC_SetBaud 36
-#define FC_SetDataMode 41
-#define FC_GetCCSR 43
-#define FC_GetDataError 45
-#define FC_RxControl 50
-#define FC_ImmSend 51
-#define FC_SetXonState 52
-#define FC_SetXoffState 53
-#define FC_SetRxFIFOTrig 54
-#define FC_SetTxFIFOCnt 55
-#define FC_UnixRate 56
-#define FC_UnixResetTimer 57
-
-#define RxFIFOTrig1 0
-#define RxFIFOTrig4 1
-#define RxFIFOTrig8 2
-#define RxFIFOTrig14 3
-
-/*
- * Dual-Ported RAM
- */
-#define DRAM_global 0
-#define INT_data (DRAM_global + 0)
-#define Config_base (DRAM_global + 0x108)
-
-#define IRQindex (INT_data + 0)
-#define IRQpending (INT_data + 4)
-#define IRQtable (INT_data + 8)
-
-/*
- * Interrupt Status
- */
-#define IntrRx 0x01 /* receiver data O.K. */
-#define IntrTx 0x02 /* transmit buffer empty */
-#define IntrFunc 0x04 /* function complete */
-#define IntrBreak 0x08 /* received break */
-#define IntrLine 0x10 /* line status change
- for transmitter */
-#define IntrIntr 0x20 /* received INTR code */
-#define IntrQuit 0x40 /* received QUIT code */
-#define IntrEOF 0x80 /* received EOF code */
-
-#define IntrRxTrigger 0x100 /* rx data count reach tigger value */
-#define IntrTxTrigger 0x200 /* tx data count below trigger value */
-
-#define Magic_no (Config_base + 0)
-#define Card_model_no (Config_base + 2)
-#define Total_ports (Config_base + 4)
-#define Module_cnt (Config_base + 8)
-#define Module_no (Config_base + 10)
-#define Timer_10ms (Config_base + 14)
-#define Disable_IRQ (Config_base + 20)
-#define TMS320_PORT1 (Config_base + 22)
-#define TMS320_PORT2 (Config_base + 24)
-#define TMS320_CLOCK (Config_base + 26)
-
-/*
- * DATA BUFFER in DRAM
- */
-#define Extern_table 0x400 /* Base address of the external table
- (24 words * 64) total 3K bytes
- (24 words * 128) total 6K bytes */
-#define Extern_size 0x60 /* 96 bytes */
-#define RXrptr 0x00 /* read pointer for RX buffer */
-#define RXwptr 0x02 /* write pointer for RX buffer */
-#define TXrptr 0x04 /* read pointer for TX buffer */
-#define TXwptr 0x06 /* write pointer for TX buffer */
-#define HostStat 0x08 /* IRQ flag and general flag */
-#define FlagStat 0x0A
-#define FlowControl 0x0C /* B7 B6 B5 B4 B3 B2 B1 B0 */
- /* x x x x | | | | */
- /* | | | + CTS flow */
- /* | | +--- RTS flow */
- /* | +------ TX Xon/Xoff */
- /* +--------- RX Xon/Xoff */
-#define Break_cnt 0x0E /* received break count */
-#define CD180TXirq 0x10 /* if non-0: enable TX irq */
-#define RX_mask 0x12
-#define TX_mask 0x14
-#define Ofs_rxb 0x16
-#define Ofs_txb 0x18
-#define Page_rxb 0x1A
-#define Page_txb 0x1C
-#define EndPage_rxb 0x1E
-#define EndPage_txb 0x20
-#define Data_error 0x22
-#define RxTrigger 0x28
-#define TxTrigger 0x2a
-
-#define rRXwptr 0x34
-#define Low_water 0x36
-
-#define FuncCode 0x40
-#define FuncArg 0x42
-#define FuncArg1 0x44
-
-#define C218rx_size 0x2000 /* 8K bytes */
-#define C218tx_size 0x8000 /* 32K bytes */
-
-#define C218rx_mask (C218rx_size - 1)
-#define C218tx_mask (C218tx_size - 1)
-
-#define C320p8rx_size 0x2000
-#define C320p8tx_size 0x8000
-#define C320p8rx_mask (C320p8rx_size - 1)
-#define C320p8tx_mask (C320p8tx_size - 1)
-
-#define C320p16rx_size 0x2000
-#define C320p16tx_size 0x4000
-#define C320p16rx_mask (C320p16rx_size - 1)
-#define C320p16tx_mask (C320p16tx_size - 1)
-
-#define C320p24rx_size 0x2000
-#define C320p24tx_size 0x2000
-#define C320p24rx_mask (C320p24rx_size - 1)
-#define C320p24tx_mask (C320p24tx_size - 1)
-
-#define C320p32rx_size 0x1000
-#define C320p32tx_size 0x1000
-#define C320p32rx_mask (C320p32rx_size - 1)
-#define C320p32tx_mask (C320p32tx_size - 1)
-
-#define Page_size 0x2000
-#define Page_mask (Page_size - 1)
-#define C218rx_spage 3
-#define C218tx_spage 4
-#define C218rx_pageno 1
-#define C218tx_pageno 4
-#define C218buf_pageno 5
-
-#define C320p8rx_spage 3
-#define C320p8tx_spage 4
-#define C320p8rx_pgno 1
-#define C320p8tx_pgno 4
-#define C320p8buf_pgno 5
-
-#define C320p16rx_spage 3
-#define C320p16tx_spage 4
-#define C320p16rx_pgno 1
-#define C320p16tx_pgno 2
-#define C320p16buf_pgno 3
-
-#define C320p24rx_spage 3
-#define C320p24tx_spage 4
-#define C320p24rx_pgno 1
-#define C320p24tx_pgno 1
-#define C320p24buf_pgno 2
-
-#define C320p32rx_spage 3
-#define C320p32tx_ofs C320p32rx_size
-#define C320p32tx_spage 3
-#define C320p32buf_pgno 1
-
-/*
- * Host Status
- */
-#define WakeupRx 0x01
-#define WakeupTx 0x02
-#define WakeupBreak 0x08
-#define WakeupLine 0x10
-#define WakeupIntr 0x20
-#define WakeupQuit 0x40
-#define WakeupEOF 0x80 /* used in VTIME control */
-#define WakeupRxTrigger 0x100
-#define WakeupTxTrigger 0x200
-/*
- * Flag status
- */
-#define Rx_over 0x01
-#define Xoff_state 0x02
-#define Tx_flowOff 0x04
-#define Tx_enable 0x08
-#define CTS_state 0x10
-#define DSR_state 0x20
-#define DCD_state 0x80
-/*
- * FlowControl
- */
-#define CTS_FlowCtl 1
-#define RTS_FlowCtl 2
-#define Tx_FlowCtl 4
-#define Rx_FlowCtl 8
-#define IXM_IXANY 0x10
-
-#define LowWater 128
-
-#define DTR_ON 1
-#define RTS_ON 2
-#define CTS_ON 1
-#define DSR_ON 2
-#define DCD_ON 8
-
-/* mode definition */
-#define MX_CS8 0x03
-#define MX_CS7 0x02
-#define MX_CS6 0x01
-#define MX_CS5 0x00
-
-#define MX_STOP1 0x00
-#define MX_STOP15 0x04
-#define MX_STOP2 0x08
-
-#define MX_PARNONE 0x00
-#define MX_PAREVEN 0x40
-#define MX_PARODD 0xC0
-
/*
* Query
*/
-#define QueryPort MAX_PORTS
-
-
struct mon_str {
int tick;
int rxcnt[MAX_PORTS];
int txcnt[MAX_PORTS];
};
-typedef struct mon_str mon_st;
#define DCD_changed 0x01
#define DCD_oldstate 0x80
-static unsigned char moxaBuff[10240];
-static void __iomem *moxaIntNdx[MAX_BOARDS];
-static void __iomem *moxaIntPend[MAX_BOARDS];
-static void __iomem *moxaIntTable[MAX_BOARDS];
-static char moxaChkPort[MAX_PORTS];
-static char moxaLineCtrl[MAX_PORTS];
-static void __iomem *moxaTableAddr[MAX_PORTS];
-static long moxaCurBaud[MAX_PORTS];
-static char moxaDCDState[MAX_PORTS];
-static char moxaLowChkFlag[MAX_PORTS];
static int moxaLowWaterChk;
-static int moxaCard;
-static mon_st moxaLog;
-static int moxaFuncTout;
-static ushort moxaBreakCnt[MAX_PORTS];
+static struct mon_str moxaLog;
+static int moxaFuncTout = HZ / 2;
-static void moxadelay(int);
static void moxafunc(void __iomem *, int, ushort);
-static void wait_finish(void __iomem *);
-static void low_water_check(void __iomem *);
-static int moxaloadbios(int, unsigned char __user *, int);
-static int moxafindcard(int);
-static int moxaload320b(int, unsigned char __user *, int);
-static int moxaloadcode(int, unsigned char __user *, int);
-static int moxaloadc218(int, void __iomem *, int);
-static int moxaloadc320(int, void __iomem *, int, int *);
+static void moxa_wait_finish(void __iomem *);
+static void moxa_low_water_check(void __iomem *);
/*****************************************************************************
* Driver level functions: *
- * 1. MoxaDriverInit(void); *
* 2. MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port); *
* 3. MoxaDriverPoll(void); *
*****************************************************************************/
-void MoxaDriverInit(void)
-{
- int i;
-
- moxaFuncTout = HZ / 2; /* 500 mini-seconds */
- moxaCard = 0;
- moxaLog.tick = 0;
- moxaLowWaterChk = 0;
- for (i = 0; i < MAX_PORTS; i++) {
- moxaChkPort[i] = 0;
- moxaLowChkFlag[i] = 0;
- moxaLineCtrl[i] = 0;
- moxaLog.rxcnt[i] = 0;
- moxaLog.txcnt[i] = 0;
- }
-}
-
#define MOXA 0x400
#define MOXA_GET_IQUEUE (MOXA + 1) /* get input buffered count */
#define MOXA_GET_OQUEUE (MOXA + 2) /* get output buffered count */
-#define MOXA_INIT_DRIVER (MOXA + 6) /* moxaCard=0 */
-#define MOXA_LOAD_BIOS (MOXA + 9) /* download BIOS */
-#define MOXA_FIND_BOARD (MOXA + 10) /* Check if MOXA card exist? */
-#define MOXA_LOAD_C320B (MOXA + 11) /* download 320B firmware */
-#define MOXA_LOAD_CODE (MOXA + 12) /* download firmware */
#define MOXA_GETDATACOUNT (MOXA + 23)
#define MOXA_GET_IOQUEUE (MOXA + 27)
#define MOXA_FLUSH_QUEUE (MOXA + 28)
#define MOXA_GET_CUMAJOR (MOXA + 64)
#define MOXA_GETMSTATUS (MOXA + 65)
-
-struct moxaq_str {
- int inq;
- int outq;
-};
-
-struct dl_str {
- char __user *buf;
- int len;
- int cardno;
-};
-
-static struct moxaq_str temp_queue[MAX_PORTS];
-static struct dl_str dltmp;
-
-void MoxaPortFlushData(int port, int mode)
+static void MoxaPortFlushData(struct moxa_port *port, int mode)
{
void __iomem *ofsAddr;
if ((mode < 0) || (mode > 2))
return;
- ofsAddr = moxaTableAddr[port];
+ ofsAddr = port->tableAddr;
moxafunc(ofsAddr, FC_FlushQueue, mode);
if (mode != 1) {
- moxaLowChkFlag[port] = 0;
- low_water_check(ofsAddr);
+ port->lowChkFlag = 0;
+ moxa_low_water_check(ofsAddr);
}
}
-int MoxaDriverIoctl(unsigned int cmd, unsigned long arg, int port)
+static int MoxaDriverIoctl(struct tty_struct *tty, unsigned int cmd,
+ unsigned long arg)
{
+ struct moxa_port *port = tty->driver_data;
int i;
int status;
- int MoxaPortTxQueue(int), MoxaPortRxQueue(int);
void __user *argp = (void __user *)arg;
- if (port == QueryPort) {
- if ((cmd != MOXA_GET_CONF) && (cmd != MOXA_INIT_DRIVER) &&
- (cmd != MOXA_LOAD_BIOS) && (cmd != MOXA_FIND_BOARD) && (cmd != MOXA_LOAD_C320B) &&
- (cmd != MOXA_LOAD_CODE) && (cmd != MOXA_GETDATACOUNT) &&
- (cmd != MOXA_GET_IOQUEUE) && (cmd != MOXA_GET_MAJOR) &&
+ if (tty->index == MAX_PORTS) {
+ if ((cmd != MOXA_GET_CONF) && (cmd != MOXA_GETDATACOUNT) &&
+ (cmd != MOXA_GET_IOQUEUE) && (cmd != MOXA_GET_MAJOR) &&
(cmd != MOXA_GET_CUMAJOR) && (cmd != MOXA_GETMSTATUS))
return (-EINVAL);
}
switch (cmd) {
- case MOXA_GET_CONF:
- if(copy_to_user(argp, &moxa_boards, MAX_BOARDS * sizeof(moxa_board_conf)))
- return -EFAULT;
- return (0);
- case MOXA_INIT_DRIVER:
- if ((int) arg == 0x404)
- MoxaDriverInit();
- return (0);
case MOXA_GETDATACOUNT:
moxaLog.tick = jiffies;
- if(copy_to_user(argp, &moxaLog, sizeof(mon_st)))
+ if(copy_to_user(argp, &moxaLog, sizeof(struct mon_str)))
return -EFAULT;
return (0);
case MOXA_FLUSH_QUEUE:
MoxaPortFlushData(port, arg);
return (0);
- case MOXA_GET_IOQUEUE:
- for (i = 0; i < MAX_PORTS; i++) {
- if (moxaChkPort[i]) {
- temp_queue[i].inq = MoxaPortRxQueue(i);
- temp_queue[i].outq = MoxaPortTxQueue(i);
+ case MOXA_GET_IOQUEUE: {
+ struct moxaq_str __user *argm = argp;
+ struct moxaq_str tmp;
+
+ for (i = 0; i < MAX_PORTS; i++, argm++) {
+ memset(&tmp, 0, sizeof(tmp));
+ if (moxa_ports[i].chkPort) {
+ tmp.inq = MoxaPortRxQueue(&moxa_ports[i]);
+ tmp.outq = MoxaPortTxQueue(&moxa_ports[i]);
}
+ if (copy_to_user(argm, &tmp, sizeof(tmp)))
+ return -EFAULT;
}
- if(copy_to_user(argp, temp_queue, sizeof(struct moxaq_str) * MAX_PORTS))
- return -EFAULT;
return (0);
- case MOXA_GET_OQUEUE:
+ } case MOXA_GET_OQUEUE:
i = MoxaPortTxQueue(port);
return put_user(i, (unsigned long __user *)argp);
case MOXA_GET_IQUEUE:
if(copy_to_user(argp, &i, sizeof(int)))
return -EFAULT;
return 0;
- case MOXA_GETMSTATUS:
- for (i = 0; i < MAX_PORTS; i++) {
- GMStatus[i].ri = 0;
- GMStatus[i].dcd = 0;
- GMStatus[i].dsr = 0;
- GMStatus[i].cts = 0;
- if (!moxaChkPort[i]) {
- continue;
+ case MOXA_GETMSTATUS: {
+ struct mxser_mstatus __user *argm = argp;
+ struct mxser_mstatus tmp;
+ struct moxa_port *p;
+
+ for (i = 0; i < MAX_PORTS; i++, argm++) {
+ p = &moxa_ports[i];
+ memset(&tmp, 0, sizeof(tmp));
+ if (!p->chkPort) {
+ goto copy;
} else {
- status = MoxaPortLineStatus(moxaChannels[i].port);
+ status = MoxaPortLineStatus(p);
if (status & 1)
- GMStatus[i].cts = 1;
+ tmp.cts = 1;
if (status & 2)
- GMStatus[i].dsr = 1;
+ tmp.dsr = 1;
if (status & 4)
- GMStatus[i].dcd = 1;
+ tmp.dcd = 1;
}
- if (!moxaChannels[i].tty || !moxaChannels[i].tty->termios)
- GMStatus[i].cflag = moxaChannels[i].cflag;
+ if (!p->tty || !p->tty->termios)
+ tmp.cflag = p->cflag;
else
- GMStatus[i].cflag = moxaChannels[i].tty->termios->c_cflag;
+ tmp.cflag = p->tty->termios->c_cflag;
+copy:
+ if (copy_to_user(argm, &tmp, sizeof(tmp)))
+ return -EFAULT;
}
- if(copy_to_user(argp, GMStatus, sizeof(struct mxser_mstatus) * MAX_PORTS))
- return -EFAULT;
return 0;
- default:
- return (-ENOIOCTLCMD);
- case MOXA_LOAD_BIOS:
- case MOXA_FIND_BOARD:
- case MOXA_LOAD_C320B:
- case MOXA_LOAD_CODE:
- if (!capable(CAP_SYS_RAWIO))
- return -EPERM;
- break;
}
-
- if(copy_from_user(&dltmp, argp, sizeof(struct dl_str)))
- return -EFAULT;
- if(dltmp.cardno < 0 || dltmp.cardno >= MAX_BOARDS)
- return -EINVAL;
-
- switch(cmd)
- {
- case MOXA_LOAD_BIOS:
- i = moxaloadbios(dltmp.cardno, dltmp.buf, dltmp.len);
- return (i);
- case MOXA_FIND_BOARD:
- return moxafindcard(dltmp.cardno);
- case MOXA_LOAD_C320B:
- moxaload320b(dltmp.cardno, dltmp.buf, dltmp.len);
- default: /* to keep gcc happy */
- return (0);
- case MOXA_LOAD_CODE:
- i = moxaloadcode(dltmp.cardno, dltmp.buf, dltmp.len);
- if (i == -1)
- return (-EFAULT);
- return (i);
-
}
+
+ return -ENOIOCTLCMD;
}
int MoxaDriverPoll(void)
{
+ struct moxa_board_conf *brd;
register ushort temp;
register int card;
void __iomem *ofsAddr;
if (moxaCard == 0)
return (-1);
for (card = 0; card < MAX_BOARDS; card++) {
- if (loadstat[card] == 0)
+ brd = &moxa_boards[card];
+ if (brd->loadstat == 0)
continue;
- if ((ports = moxa_boards[card].numPorts) == 0)
+ if ((ports = brd->numPorts) == 0)
continue;
- if (readb(moxaIntPend[card]) == 0xff) {
- ip = moxaIntTable[card] + readb(moxaIntNdx[card]);
+ if (readb(brd->intPend) == 0xff) {
+ ip = brd->intTable + readb(brd->intNdx);
p = card * MAX_PORTS_PER_BOARD;
ports <<= 1;
for (port = 0; port < ports; port += 2, p++) {
if ((temp = readw(ip + port)) != 0) {
writew(0, ip + port);
- ofsAddr = moxaTableAddr[p];
+ ofsAddr = moxa_ports[p].tableAddr;
if (temp & IntrTx)
writew(readw(ofsAddr + HostStat) & ~WakeupTx, ofsAddr + HostStat);
if (temp & IntrBreak) {
- moxaBreakCnt[p]++;
+ moxa_ports[p].breakCnt++;
}
if (temp & IntrLine) {
if (readb(ofsAddr + FlagStat) & DCD_state) {
- if ((moxaDCDState[p] & DCD_oldstate) == 0)
- moxaDCDState[p] = (DCD_oldstate |
+ if ((moxa_ports[p].DCDState & DCD_oldstate) == 0)
+ moxa_ports[p].DCDState = (DCD_oldstate |
DCD_changed);
} else {
- if (moxaDCDState[p] & DCD_oldstate)
- moxaDCDState[p] = DCD_changed;
+ if (moxa_ports[p].DCDState & DCD_oldstate)
+ moxa_ports[p].DCDState = DCD_changed;
}
}
}
}
- writeb(0, moxaIntPend[card]);
+ writeb(0, brd->intPend);
}
if (moxaLowWaterChk) {
p = card * MAX_PORTS_PER_BOARD;
for (port = 0; port < ports; port++, p++) {
- if (moxaLowChkFlag[p]) {
- moxaLowChkFlag[p] = 0;
- ofsAddr = moxaTableAddr[p];
- low_water_check(ofsAddr);
+ if (moxa_ports[p].lowChkFlag) {
+ moxa_ports[p].lowChkFlag = 0;
+ ofsAddr = moxa_ports[p].tableAddr;
+ moxa_low_water_check(ofsAddr);
}
}
}
* 2. MoxaPortEnable(int port); *
* 3. MoxaPortDisable(int port); *
* 4. MoxaPortGetMaxBaud(int port); *
- * 5. MoxaPortGetCurBaud(int port); *
* 6. MoxaPortSetBaud(int port, long baud); *
- * 7. MoxaPortSetMode(int port, int databit, int stopbit, int parity); *
* 8. MoxaPortSetTermio(int port, unsigned char *termio); *
* 9. MoxaPortGetLineOut(int port, int *dtrState, int *rtsState); *
* 10. MoxaPortLineCtrl(int port, int dtrState, int rtsState); *
* 15. MoxaPortFlushData(int port, int mode); *
* 16. MoxaPortWriteData(int port, unsigned char * buffer, int length); *
* 17. MoxaPortReadData(int port, struct tty_struct *tty); *
- * 18. MoxaPortTxBufSize(int port); *
- * 19. MoxaPortRxBufSize(int port); *
* 20. MoxaPortTxQueue(int port); *
* 21. MoxaPortTxFree(int port); *
* 22. MoxaPortRxQueue(int port); *
- * 23. MoxaPortRxFree(int port); *
* 24. MoxaPortTxDisable(int port); *
* 25. MoxaPortTxEnable(int port); *
- * 26. MoxaPortGetBrkCnt(int port); *
* 27. MoxaPortResetBrkCnt(int port); *
- * 28. MoxaPortSetXonXoff(int port, int xonValue, int xoffValue); *
- * 29. MoxaPortIsTxHold(int port); *
* 30. MoxaPortSendBreak(int port, int ticks); *
*****************************************************************************/
/*
* 38400/57600/115200 bps
*
*
- * Function 9: Get the current baud rate of this port.
- * Syntax:
- * long MoxaPortGetCurBaud(int port);
- * int port : port number (0 - 127)
- *
- * return: 0 : this port is invalid
- * 50 - 115200 bps
- *
- *
* Function 10: Setting baud rate of this port.
* Syntax:
* long MoxaPortSetBaud(int port, long baud);
* baud rate will be the maximun baud rate.
*
*
- * Function 11: Setting the data-bits/stop-bits/parity of this port
- * Syntax:
- * int MoxaPortSetMode(int port, int databits, int stopbits, int parity);
- * int port : port number (0 - 127)
- * int databits : data bits (8/7/6/5)
- * int stopbits : stop bits (2/1/0, 0 show 1.5 stop bits)
- int parity : parity (0:None,1:Odd,2:Even,3:Mark,4:Space)
- *
- * return: -1 : invalid parameter
- * 0 : setting O.K.
- *
- *
* Function 12: Configure the port.
* Syntax:
- * int MoxaPortSetTermio(int port, struct termios *termio, speed_t baud);
+ * int MoxaPortSetTermio(int port, struct ktermios *termio, speed_t baud);
* int port : port number (0 - 127)
- * struct termios * termio : termio structure pointer
+ * struct ktermios * termio : termio structure pointer
* speed_t baud : baud rate
*
* return: -1 : this port is invalid or termio == NULL
* return: 0 - length : real read data length
*
*
- * Function 22: Get the Tx buffer size of this port
- * Syntax:
- * int MoxaPortTxBufSize(int port);
- * int port : port number (0 - 127)
- *
- * return: .. : Tx buffer size
- *
- *
- * Function 23: Get the Rx buffer size of this port
- * Syntax:
- * int MoxaPortRxBufSize(int port);
- * int port : port number (0 - 127)
- *
- * return: .. : Rx buffer size
- *
- *
* Function 24: Get the Tx buffer current queued data bytes
* Syntax:
* int MoxaPortTxQueue(int port);
* return: .. : Rx buffer current queued data bytes
*
*
- * Function 27: Get the Rx buffer current free space
- * Syntax:
- * int MoxaPortRxFree(int port);
- * int port : port number (0 - 127)
- *
- * return: .. : Rx buffer current free space
- *
- *
* Function 28: Disable port data transmission.
* Syntax:
* void MoxaPortTxDisable(int port);
* int port : port number (0 - 127)
*
*
- * Function 30: Get the received BREAK signal count.
- * Syntax:
- * int MoxaPortGetBrkCnt(int port);
- * int port : port number (0 - 127)
- *
- * return: 0 - .. : BREAK signal count
- *
- *
* Function 31: Get the received BREAK signal count and reset it.
* Syntax:
* int MoxaPortResetBrkCnt(int port);
* return: 0 - .. : BREAK signal count
*
*
- * Function 32: Set the S/W flow control new XON/XOFF value, default
- * XON is 0x11 & XOFF is 0x13.
- * Syntax:
- * void MoxaPortSetXonXoff(int port, int xonValue, int xoffValue);
- * int port : port number (0 - 127)
- * int xonValue : new XON value (0 - 255)
- * int xoffValue : new XOFF value (0 - 255)
- *
- *
- * Function 33: Check this port's transmission is hold by remote site
- * because the flow control.
- * Syntax:
- * int MoxaPortIsTxHold(int port);
- * int port : port number (0 - 127)
- *
- * return: 0 : normal
- * 1 : hold by remote site
- *
- *
* Function 34: Send out a BREAK signal.
* Syntax:
* void MoxaPortSendBreak(int port, int ms100);
* send out a about 250 ms BREAK signal.
*
*/
-int MoxaPortIsValid(int port)
+static int MoxaPortIsValid(int port)
{
-
if (moxaCard == 0)
return (0);
- if (moxaChkPort[port] == 0)
+ if (moxa_ports[port].chkPort == 0)
return (0);
return (1);
}
-void MoxaPortEnable(int port)
+static void MoxaPortEnable(struct moxa_port *port)
{
void __iomem *ofsAddr;
- int MoxaPortLineStatus(int);
short lowwater = 512;
- ofsAddr = moxaTableAddr[port];
+ ofsAddr = port->tableAddr;
writew(lowwater, ofsAddr + Low_water);
- moxaBreakCnt[port] = 0;
- if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
- (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
+ port->breakCnt = 0;
+ if (port->board->boardType == MOXA_BOARD_C320_ISA ||
+ port->board->boardType == MOXA_BOARD_C320_PCI) {
moxafunc(ofsAddr, FC_SetBreakIrq, 0);
} else {
writew(readw(ofsAddr + HostStat) | WakeupBreak, ofsAddr + HostStat);
MoxaPortLineStatus(port);
}
-void MoxaPortDisable(int port)
+static void MoxaPortDisable(struct moxa_port *port)
{
- void __iomem *ofsAddr = moxaTableAddr[port];
+ void __iomem *ofsAddr = port->tableAddr;
moxafunc(ofsAddr, FC_SetFlowCtl, 0); /* disable flow control */
moxafunc(ofsAddr, FC_ClrLineIrq, Magic_code);
moxafunc(ofsAddr, FC_DisableCH, Magic_code);
}
-long MoxaPortGetMaxBaud(int port)
+static long MoxaPortGetMaxBaud(struct moxa_port *port)
{
- if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
- (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI))
+ if (port->board->boardType == MOXA_BOARD_C320_ISA ||
+ port->board->boardType == MOXA_BOARD_C320_PCI)
return (460800L);
else
return (921600L);
}
-long MoxaPortSetBaud(int port, long baud)
+static long MoxaPortSetBaud(struct moxa_port *port, long baud)
{
void __iomem *ofsAddr;
long max, clock;
if ((baud < 50L) || ((max = MoxaPortGetMaxBaud(port)) == 0))
return (0);
- ofsAddr = moxaTableAddr[port];
+ ofsAddr = port->tableAddr;
if (baud > max)
baud = max;
if (max == 38400L)
val = clock / baud;
moxafunc(ofsAddr, FC_SetBaud, val);
baud = clock / val;
- moxaCurBaud[port] = baud;
+ port->curBaud = baud;
return (baud);
}
-int MoxaPortSetTermio(int port, struct termios *termio, speed_t baud)
+static int MoxaPortSetTermio(struct moxa_port *port, struct ktermios *termio,
+ speed_t baud)
{
void __iomem *ofsAddr;
tcflag_t cflag;
tcflag_t mode = 0;
- if (moxaChkPort[port] == 0 || termio == 0)
+ if (port->chkPort == 0 || termio == 0)
return (-1);
- ofsAddr = moxaTableAddr[port];
+ ofsAddr = port->tableAddr;
cflag = termio->c_cflag; /* termio->c_cflag */
mode = termio->c_cflag & CSIZE;
moxafunc(ofsAddr, FC_SetDataMode, (ushort) mode);
- if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
- (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
+ if (port->board->boardType == MOXA_BOARD_C320_ISA ||
+ port->board->boardType == MOXA_BOARD_C320_PCI) {
if (baud >= 921600L)
return (-1);
}
- MoxaPortSetBaud(port, baud);
+ baud = MoxaPortSetBaud(port, baud);
if (termio->c_iflag & (IXON | IXOFF | IXANY)) {
writeb(termio->c_cc[VSTART], ofsAddr + FuncArg);
writeb(termio->c_cc[VSTOP], ofsAddr + FuncArg1);
writeb(FC_SetXonXoff, ofsAddr + FuncCode);
- wait_finish(ofsAddr);
+ moxa_wait_finish(ofsAddr);
}
- return (0);
+ return (baud);
}
-int MoxaPortGetLineOut(int port, int *dtrState, int *rtsState)
+static int MoxaPortGetLineOut(struct moxa_port *port, int *dtrState,
+ int *rtsState)
{
- if (!MoxaPortIsValid(port))
+ if (!MoxaPortIsValid(port->tty->index))
return (-1);
- if (dtrState) {
- if (moxaLineCtrl[port] & DTR_ON)
- *dtrState = 1;
- else
- *dtrState = 0;
- }
- if (rtsState) {
- if (moxaLineCtrl[port] & RTS_ON)
- *rtsState = 1;
- else
- *rtsState = 0;
- }
+ if (dtrState)
+ *dtrState = !!(port->lineCtrl & DTR_ON);
+ if (rtsState)
+ *rtsState = !!(port->lineCtrl & RTS_ON);
+
return (0);
}
-void MoxaPortLineCtrl(int port, int dtr, int rts)
+static void MoxaPortLineCtrl(struct moxa_port *port, int dtr, int rts)
{
- void __iomem *ofsAddr;
- int mode;
+ int mode = 0;
- ofsAddr = moxaTableAddr[port];
- mode = 0;
if (dtr)
mode |= DTR_ON;
if (rts)
mode |= RTS_ON;
- moxaLineCtrl[port] = mode;
- moxafunc(ofsAddr, FC_LineControl, mode);
+ port->lineCtrl = mode;
+ moxafunc(port->tableAddr, FC_LineControl, mode);
}
-void MoxaPortFlowCtrl(int port, int rts, int cts, int txflow, int rxflow, int txany)
+static void MoxaPortFlowCtrl(struct moxa_port *port, int rts, int cts,
+ int txflow, int rxflow, int txany)
{
- void __iomem *ofsAddr;
- int mode;
+ int mode = 0;
- ofsAddr = moxaTableAddr[port];
- mode = 0;
if (rts)
mode |= RTS_FlowCtl;
if (cts)
mode |= Rx_FlowCtl;
if (txany)
mode |= IXM_IXANY;
- moxafunc(ofsAddr, FC_SetFlowCtl, mode);
+ moxafunc(port->tableAddr, FC_SetFlowCtl, mode);
}
-int MoxaPortLineStatus(int port)
+static int MoxaPortLineStatus(struct moxa_port *port)
{
void __iomem *ofsAddr;
int val;
- ofsAddr = moxaTableAddr[port];
- if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
- (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
+ ofsAddr = port->tableAddr;
+ if (port->board->boardType == MOXA_BOARD_C320_ISA ||
+ port->board->boardType == MOXA_BOARD_C320_PCI) {
moxafunc(ofsAddr, FC_LineStatus, 0);
val = readw(ofsAddr + FuncArg);
} else {
val &= 0x0B;
if (val & 8) {
val |= 4;
- if ((moxaDCDState[port] & DCD_oldstate) == 0)
- moxaDCDState[port] = (DCD_oldstate | DCD_changed);
+ if ((port->DCDState & DCD_oldstate) == 0)
+ port->DCDState = (DCD_oldstate | DCD_changed);
} else {
- if (moxaDCDState[port] & DCD_oldstate)
- moxaDCDState[port] = DCD_changed;
+ if (port->DCDState & DCD_oldstate)
+ port->DCDState = DCD_changed;
}
val &= 7;
return (val);
}
-int MoxaPortDCDChange(int port)
+static int MoxaPortDCDChange(struct moxa_port *port)
{
int n;
- if (moxaChkPort[port] == 0)
+ if (port->chkPort == 0)
return (0);
- n = moxaDCDState[port];
- moxaDCDState[port] &= ~DCD_changed;
+ n = port->DCDState;
+ port->DCDState &= ~DCD_changed;
n &= DCD_changed;
return (n);
}
-int MoxaPortDCDON(int port)
+static int MoxaPortDCDON(struct moxa_port *port)
{
int n;
- if (moxaChkPort[port] == 0)
+ if (port->chkPort == 0)
return (0);
- if (moxaDCDState[port] & DCD_oldstate)
+ if (port->DCDState & DCD_oldstate)
n = 1;
else
n = 0;
- return (n);
-}
-
-
-/*
- int MoxaDumpMem(int port, unsigned char * buffer, int len)
- {
- int i;
- unsigned long baseAddr,ofsAddr,ofs;
-
- baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
- ofs = baseAddr + DynPage_addr + pageofs;
- if (len > 0x2000L)
- len = 0x2000L;
- for (i = 0; i < len; i++)
- buffer[i] = readb(ofs+i);
- }
- */
-
+ return (n);
+}
-int MoxaPortWriteData(int port, unsigned char * buffer, int len)
+static int MoxaPortWriteData(struct moxa_port *port, unsigned char *buffer,
+ int len)
{
int c, total, i;
ushort tail;
ushort pageno, pageofs, bufhead;
void __iomem *baseAddr, *ofsAddr, *ofs;
- ofsAddr = moxaTableAddr[port];
- baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
+ ofsAddr = port->tableAddr;
+ baseAddr = port->board->basemem;
tx_mask = readw(ofsAddr + TX_mask);
spage = readw(ofsAddr + Page_txb);
epage = readw(ofsAddr + EndPage_txb);
: (head - tail + tx_mask);
if (c > len)
c = len;
- moxaLog.txcnt[port] += c;
+ moxaLog.txcnt[port->tty->index] += c;
total = c;
if (spage == epage) {
bufhead = readw(ofsAddr + Ofs_txb);
return (total);
}
-int MoxaPortReadData(int port, struct tty_struct *tty)
+static int MoxaPortReadData(struct moxa_port *port, struct tty_struct *tty)
{
register ushort head, pageofs;
int i, count, cnt, len, total, remain;
ushort pageno, bufhead;
void __iomem *baseAddr, *ofsAddr, *ofs;
- ofsAddr = moxaTableAddr[port];
- baseAddr = moxaBaseAddr[port / MAX_PORTS_PER_BOARD];
+ ofsAddr = port->tableAddr;
+ baseAddr = port->board->basemem;
head = readw(ofsAddr + RXrptr);
tail = readw(ofsAddr + RXwptr);
rx_mask = readw(ofsAddr + RX_mask);
total = count;
remain = count - total;
- moxaLog.rxcnt[port] += total;
+ moxaLog.rxcnt[port->tty->index] += total;
count = total;
if (spage == epage) {
bufhead = readw(ofsAddr + Ofs_rxb);
}
if ((readb(ofsAddr + FlagStat) & Xoff_state) && (remain < LowWater)) {
moxaLowWaterChk = 1;
- moxaLowChkFlag[port] = 1;
+ port->lowChkFlag = 1;
}
return (total);
}
-int MoxaPortTxQueue(int port)
+static int MoxaPortTxQueue(struct moxa_port *port)
{
- void __iomem *ofsAddr;
+ void __iomem *ofsAddr = port->tableAddr;
ushort rptr, wptr, mask;
int len;
- ofsAddr = moxaTableAddr[port];
rptr = readw(ofsAddr + TXrptr);
wptr = readw(ofsAddr + TXwptr);
mask = readw(ofsAddr + TX_mask);
return (len);
}
-int MoxaPortTxFree(int port)
+static int MoxaPortTxFree(struct moxa_port *port)
{
- void __iomem *ofsAddr;
+ void __iomem *ofsAddr = port->tableAddr;
ushort rptr, wptr, mask;
int len;
- ofsAddr = moxaTableAddr[port];
rptr = readw(ofsAddr + TXrptr);
wptr = readw(ofsAddr + TXwptr);
mask = readw(ofsAddr + TX_mask);
return (len);
}
-int MoxaPortRxQueue(int port)
+static int MoxaPortRxQueue(struct moxa_port *port)
{
- void __iomem *ofsAddr;
+ void __iomem *ofsAddr = port->tableAddr;
ushort rptr, wptr, mask;
int len;
- ofsAddr = moxaTableAddr[port];
rptr = readw(ofsAddr + RXrptr);
wptr = readw(ofsAddr + RXwptr);
mask = readw(ofsAddr + RX_mask);
}
-void MoxaPortTxDisable(int port)
+static void MoxaPortTxDisable(struct moxa_port *port)
{
- void __iomem *ofsAddr;
-
- ofsAddr = moxaTableAddr[port];
- moxafunc(ofsAddr, FC_SetXoffState, Magic_code);
+ moxafunc(port->tableAddr, FC_SetXoffState, Magic_code);
}
-void MoxaPortTxEnable(int port)
+static void MoxaPortTxEnable(struct moxa_port *port)
{
- void __iomem *ofsAddr;
-
- ofsAddr = moxaTableAddr[port];
- moxafunc(ofsAddr, FC_SetXonState, Magic_code);
+ moxafunc(port->tableAddr, FC_SetXonState, Magic_code);
}
-int MoxaPortResetBrkCnt(int port)
+static int MoxaPortResetBrkCnt(struct moxa_port *port)
{
ushort cnt;
- cnt = moxaBreakCnt[port];
- moxaBreakCnt[port] = 0;
+ cnt = port->breakCnt;
+ port->breakCnt = 0;
return (cnt);
}
-void MoxaPortSendBreak(int port, int ms100)
+static void MoxaPortSendBreak(struct moxa_port *port, int ms100)
{
- void __iomem *ofsAddr;
+ void __iomem *ofsAddr = port->tableAddr;
- ofsAddr = moxaTableAddr[port];
if (ms100) {
moxafunc(ofsAddr, FC_SendBreak, Magic_code);
- moxadelay(ms100 * (HZ / 10));
+ msleep(ms100 * 10);
} else {
moxafunc(ofsAddr, FC_SendBreak, Magic_code);
- moxadelay(HZ / 4); /* 250 ms */
+ msleep(250);
}
moxafunc(ofsAddr, FC_StopBreak, Magic_code);
}
-static int moxa_get_serial_info(struct moxa_str *info,
+static int moxa_get_serial_info(struct moxa_port *info,
struct serial_struct __user *retinfo)
{
struct serial_struct tmp;
memset(&tmp, 0, sizeof(tmp));
tmp.type = info->type;
- tmp.line = info->port;
+ tmp.line = info->tty->index;
tmp.port = 0;
tmp.irq = 0;
tmp.flags = info->asyncflags;
}
-static int moxa_set_serial_info(struct moxa_str *info,
+static int moxa_set_serial_info(struct moxa_port *info,
struct serial_struct __user *new_info)
{
struct serial_struct new_serial;
new_serial.flags |= (info->asyncflags & ASYNC_FLAGS);
if (new_serial.type == PORT_16550A) {
- MoxaSetFifo(info->port, 1);
+ MoxaSetFifo(info, 1);
} else {
- MoxaSetFifo(info->port, 0);
+ MoxaSetFifo(info, 0);
}
info->type = new_serial.type;
/*****************************************************************************
* Static local functions: *
*****************************************************************************/
-/*
- * moxadelay - delays a specified number ticks
- */
-static void moxadelay(int tick)
-{
- unsigned long st, et;
-
- st = jiffies;
- et = st + tick;
- while (time_before(jiffies, et));
-}
-
static void moxafunc(void __iomem *ofsAddr, int cmd, ushort arg)
{
writew(arg, ofsAddr + FuncArg);
writew(cmd, ofsAddr + FuncCode);
- wait_finish(ofsAddr);
+ moxa_wait_finish(ofsAddr);
}
-static void wait_finish(void __iomem *ofsAddr)
+static void moxa_wait_finish(void __iomem *ofsAddr)
{
unsigned long i, j;
}
}
-static void low_water_check(void __iomem *ofsAddr)
+static void moxa_low_water_check(void __iomem *ofsAddr)
{
int len;
ushort rptr, wptr, mask;
}
}
-static int moxaloadbios(int cardno, unsigned char __user *tmp, int len)
-{
- void __iomem *baseAddr;
- int i;
-
- if(copy_from_user(moxaBuff, tmp, len))
- return -EFAULT;
- baseAddr = moxaBaseAddr[cardno];
- writeb(HW_reset, baseAddr + Control_reg); /* reset */
- moxadelay(1); /* delay 10 ms */
- for (i = 0; i < 4096; i++)
- writeb(0, baseAddr + i); /* clear fix page */
- for (i = 0; i < len; i++)
- writeb(moxaBuff[i], baseAddr + i); /* download BIOS */
- writeb(0, baseAddr + Control_reg); /* restart */
- return (0);
-}
-
-static int moxafindcard(int cardno)
-{
- void __iomem *baseAddr;
- ushort tmp;
-
- baseAddr = moxaBaseAddr[cardno];
- switch (moxa_boards[cardno].boardType) {
- case MOXA_BOARD_C218_ISA:
- case MOXA_BOARD_C218_PCI:
- if ((tmp = readw(baseAddr + C218_key)) != C218_KeyCode) {
- return (-1);
- }
- break;
- case MOXA_BOARD_CP204J:
- if ((tmp = readw(baseAddr + C218_key)) != CP204J_KeyCode) {
- return (-1);
- }
- break;
- default:
- if ((tmp = readw(baseAddr + C320_key)) != C320_KeyCode) {
- return (-1);
- }
- if ((tmp = readw(baseAddr + C320_status)) != STS_init) {
- return (-2);
- }
- }
- return (0);
-}
-
-static int moxaload320b(int cardno, unsigned char __user *tmp, int len)
-{
- void __iomem *baseAddr;
- int i;
-
- if(len > sizeof(moxaBuff))
- return -EINVAL;
- if(copy_from_user(moxaBuff, tmp, len))
- return -EFAULT;
- baseAddr = moxaBaseAddr[cardno];
- writew(len - 7168 - 2, baseAddr + C320bapi_len);
- writeb(1, baseAddr + Control_reg); /* Select Page 1 */
- for (i = 0; i < 7168; i++)
- writeb(moxaBuff[i], baseAddr + DynPage_addr + i);
- writeb(2, baseAddr + Control_reg); /* Select Page 2 */
- for (i = 0; i < (len - 7168); i++)
- writeb(moxaBuff[i + 7168], baseAddr + DynPage_addr + i);
- return (0);
-}
-
-static int moxaloadcode(int cardno, unsigned char __user *tmp, int len)
-{
- void __iomem *baseAddr, *ofsAddr;
- int retval, port, i;
-
- if(copy_from_user(moxaBuff, tmp, len))
- return -EFAULT;
- baseAddr = moxaBaseAddr[cardno];
- switch (moxa_boards[cardno].boardType) {
- case MOXA_BOARD_C218_ISA:
- case MOXA_BOARD_C218_PCI:
- case MOXA_BOARD_CP204J:
- retval = moxaloadc218(cardno, baseAddr, len);
- if (retval)
- return (retval);
- port = cardno * MAX_PORTS_PER_BOARD;
- for (i = 0; i < moxa_boards[cardno].numPorts; i++, port++) {
- moxaChkPort[port] = 1;
- moxaCurBaud[port] = 9600L;
- moxaDCDState[port] = 0;
- moxaTableAddr[port] = baseAddr + Extern_table + Extern_size * i;
- ofsAddr = moxaTableAddr[port];
- writew(C218rx_mask, ofsAddr + RX_mask);
- writew(C218tx_mask, ofsAddr + TX_mask);
- writew(C218rx_spage + i * C218buf_pageno, ofsAddr + Page_rxb);
- writew(readw(ofsAddr + Page_rxb) + C218rx_pageno, ofsAddr + EndPage_rxb);
-
- writew(C218tx_spage + i * C218buf_pageno, ofsAddr + Page_txb);
- writew(readw(ofsAddr + Page_txb) + C218tx_pageno, ofsAddr + EndPage_txb);
-
- }
- break;
- default:
- retval = moxaloadc320(cardno, baseAddr, len,
- &moxa_boards[cardno].numPorts);
- if (retval)
- return (retval);
- port = cardno * MAX_PORTS_PER_BOARD;
- for (i = 0; i < moxa_boards[cardno].numPorts; i++, port++) {
- moxaChkPort[port] = 1;
- moxaCurBaud[port] = 9600L;
- moxaDCDState[port] = 0;
- moxaTableAddr[port] = baseAddr + Extern_table + Extern_size * i;
- ofsAddr = moxaTableAddr[port];
- if (moxa_boards[cardno].numPorts == 8) {
- writew(C320p8rx_mask, ofsAddr + RX_mask);
- writew(C320p8tx_mask, ofsAddr + TX_mask);
- writew(C320p8rx_spage + i * C320p8buf_pgno, ofsAddr + Page_rxb);
- writew(readw(ofsAddr + Page_rxb) + C320p8rx_pgno, ofsAddr + EndPage_rxb);
- writew(C320p8tx_spage + i * C320p8buf_pgno, ofsAddr + Page_txb);
- writew(readw(ofsAddr + Page_txb) + C320p8tx_pgno, ofsAddr + EndPage_txb);
-
- } else if (moxa_boards[cardno].numPorts == 16) {
- writew(C320p16rx_mask, ofsAddr + RX_mask);
- writew(C320p16tx_mask, ofsAddr + TX_mask);
- writew(C320p16rx_spage + i * C320p16buf_pgno, ofsAddr + Page_rxb);
- writew(readw(ofsAddr + Page_rxb) + C320p16rx_pgno, ofsAddr + EndPage_rxb);
- writew(C320p16tx_spage + i * C320p16buf_pgno, ofsAddr + Page_txb);
- writew(readw(ofsAddr + Page_txb) + C320p16tx_pgno, ofsAddr + EndPage_txb);
-
- } else if (moxa_boards[cardno].numPorts == 24) {
- writew(C320p24rx_mask, ofsAddr + RX_mask);
- writew(C320p24tx_mask, ofsAddr + TX_mask);
- writew(C320p24rx_spage + i * C320p24buf_pgno, ofsAddr + Page_rxb);
- writew(readw(ofsAddr + Page_rxb) + C320p24rx_pgno, ofsAddr + EndPage_rxb);
- writew(C320p24tx_spage + i * C320p24buf_pgno, ofsAddr + Page_txb);
- writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb);
- } else if (moxa_boards[cardno].numPorts == 32) {
- writew(C320p32rx_mask, ofsAddr + RX_mask);
- writew(C320p32tx_mask, ofsAddr + TX_mask);
- writew(C320p32tx_ofs, ofsAddr + Ofs_txb);
- writew(C320p32rx_spage + i * C320p32buf_pgno, ofsAddr + Page_rxb);
- writew(readb(ofsAddr + Page_rxb), ofsAddr + EndPage_rxb);
- writew(C320p32tx_spage + i * C320p32buf_pgno, ofsAddr + Page_txb);
- writew(readw(ofsAddr + Page_txb), ofsAddr + EndPage_txb);
- }
- }
- break;
- }
- loadstat[cardno] = 1;
- return (0);
-}
-
-static int moxaloadc218(int cardno, void __iomem *baseAddr, int len)
-{
- char retry;
- int i, j, len1, len2;
- ushort usum, *ptr, keycode;
-
- if (moxa_boards[cardno].boardType == MOXA_BOARD_CP204J)
- keycode = CP204J_KeyCode;
- else
- keycode = C218_KeyCode;
- usum = 0;
- len1 = len >> 1;
- ptr = (ushort *) moxaBuff;
- for (i = 0; i < len1; i++)
- usum += le16_to_cpu(*(ptr + i));
- retry = 0;
- do {
- len1 = len >> 1;
- j = 0;
- while (len1) {
- len2 = (len1 > 2048) ? 2048 : len1;
- len1 -= len2;
- for (i = 0; i < len2 << 1; i++)
- writeb(moxaBuff[i + j], baseAddr + C218_LoadBuf + i);
- j += i;
-
- writew(len2, baseAddr + C218DLoad_len);
- writew(0, baseAddr + C218_key);
- for (i = 0; i < 100; i++) {
- if (readw(baseAddr + C218_key) == keycode)
- break;
- moxadelay(1); /* delay 10 ms */
- }
- if (readw(baseAddr + C218_key) != keycode) {
- return (-1);
- }
- }
- writew(0, baseAddr + C218DLoad_len);
- writew(usum, baseAddr + C218check_sum);
- writew(0, baseAddr + C218_key);
- for (i = 0; i < 100; i++) {
- if (readw(baseAddr + C218_key) == keycode)
- break;
- moxadelay(1); /* delay 10 ms */
- }
- retry++;
- } while ((readb(baseAddr + C218chksum_ok) != 1) && (retry < 3));
- if (readb(baseAddr + C218chksum_ok) != 1) {
- return (-1);
- }
- writew(0, baseAddr + C218_key);
- for (i = 0; i < 100; i++) {
- if (readw(baseAddr + Magic_no) == Magic_code)
- break;
- moxadelay(1); /* delay 10 ms */
- }
- if (readw(baseAddr + Magic_no) != Magic_code) {
- return (-1);
- }
- writew(1, baseAddr + Disable_IRQ);
- writew(0, baseAddr + Magic_no);
- for (i = 0; i < 100; i++) {
- if (readw(baseAddr + Magic_no) == Magic_code)
- break;
- moxadelay(1); /* delay 10 ms */
- }
- if (readw(baseAddr + Magic_no) != Magic_code) {
- return (-1);
- }
- moxaCard = 1;
- moxaIntNdx[cardno] = baseAddr + IRQindex;
- moxaIntPend[cardno] = baseAddr + IRQpending;
- moxaIntTable[cardno] = baseAddr + IRQtable;
- return (0);
-}
-
-static int moxaloadc320(int cardno, void __iomem *baseAddr, int len, int *numPorts)
-{
- ushort usum;
- int i, j, wlen, len2, retry;
- ushort *uptr;
-
- usum = 0;
- wlen = len >> 1;
- uptr = (ushort *) moxaBuff;
- for (i = 0; i < wlen; i++)
- usum += le16_to_cpu(uptr[i]);
- retry = 0;
- j = 0;
- do {
- while (wlen) {
- if (wlen > 2048)
- len2 = 2048;
- else
- len2 = wlen;
- wlen -= len2;
- len2 <<= 1;
- for (i = 0; i < len2; i++)
- writeb(moxaBuff[j + i], baseAddr + C320_LoadBuf + i);
- len2 >>= 1;
- j += i;
- writew(len2, baseAddr + C320DLoad_len);
- writew(0, baseAddr + C320_key);
- for (i = 0; i < 10; i++) {
- if (readw(baseAddr + C320_key) == C320_KeyCode)
- break;
- moxadelay(1);
- }
- if (readw(baseAddr + C320_key) != C320_KeyCode)
- return (-1);
- }
- writew(0, baseAddr + C320DLoad_len);
- writew(usum, baseAddr + C320check_sum);
- writew(0, baseAddr + C320_key);
- for (i = 0; i < 10; i++) {
- if (readw(baseAddr + C320_key) == C320_KeyCode)
- break;
- moxadelay(1);
- }
- retry++;
- } while ((readb(baseAddr + C320chksum_ok) != 1) && (retry < 3));
- if (readb(baseAddr + C320chksum_ok) != 1)
- return (-1);
- writew(0, baseAddr + C320_key);
- for (i = 0; i < 600; i++) {
- if (readw(baseAddr + Magic_no) == Magic_code)
- break;
- moxadelay(1);
- }
- if (readw(baseAddr + Magic_no) != Magic_code)
- return (-100);
-
- if (moxa_boards[cardno].busType == MOXA_BUS_TYPE_PCI) { /* ASIC board */
- writew(0x3800, baseAddr + TMS320_PORT1);
- writew(0x3900, baseAddr + TMS320_PORT2);
- writew(28499, baseAddr + TMS320_CLOCK);
- } else {
- writew(0x3200, baseAddr + TMS320_PORT1);
- writew(0x3400, baseAddr + TMS320_PORT2);
- writew(19999, baseAddr + TMS320_CLOCK);
- }
- writew(1, baseAddr + Disable_IRQ);
- writew(0, baseAddr + Magic_no);
- for (i = 0; i < 500; i++) {
- if (readw(baseAddr + Magic_no) == Magic_code)
- break;
- moxadelay(1);
- }
- if (readw(baseAddr + Magic_no) != Magic_code)
- return (-102);
-
- j = readw(baseAddr + Module_cnt);
- if (j <= 0)
- return (-101);
- *numPorts = j * 8;
- writew(j, baseAddr + Module_no);
- writew(0, baseAddr + Magic_no);
- for (i = 0; i < 600; i++) {
- if (readw(baseAddr + Magic_no) == Magic_code)
- break;
- moxadelay(1);
- }
- if (readw(baseAddr + Magic_no) != Magic_code)
- return (-102);
- moxaCard = 1;
- moxaIntNdx[cardno] = baseAddr + IRQindex;
- moxaIntPend[cardno] = baseAddr + IRQpending;
- moxaIntTable[cardno] = baseAddr + IRQtable;
- return (0);
-}
-
-#if 0
-long MoxaPortGetCurBaud(int port)
-{
-
- if (moxaChkPort[port] == 0)
- return (0);
- return (moxaCurBaud[port]);
-}
-#endif /* 0 */
-
-static void MoxaSetFifo(int port, int enable)
+static void MoxaSetFifo(struct moxa_port *port, int enable)
{
- void __iomem *ofsAddr = moxaTableAddr[port];
+ void __iomem *ofsAddr = port->tableAddr;
if (!enable) {
moxafunc(ofsAddr, FC_SetRxFIFOTrig, 0);
moxafunc(ofsAddr, FC_SetTxFIFOCnt, 16);
}
}
-
-#if 0
-int MoxaPortSetMode(int port, int databits, int stopbits, int parity)
-{
- void __iomem *ofsAddr;
- int val;
-
- val = 0;
- switch (databits) {
- case 5:
- val |= 0;
- break;
- case 6:
- val |= 1;
- break;
- case 7:
- val |= 2;
- break;
- case 8:
- val |= 3;
- break;
- default:
- return (-1);
- }
- switch (stopbits) {
- case 0:
- val |= 0;
- break; /* stop bits 1.5 */
- case 1:
- val |= 0;
- break;
- case 2:
- val |= 4;
- break;
- default:
- return (-1);
- }
- switch (parity) {
- case 0:
- val |= 0x00;
- break; /* None */
- case 1:
- val |= 0x08;
- break; /* Odd */
- case 2:
- val |= 0x18;
- break; /* Even */
- case 3:
- val |= 0x28;
- break; /* Mark */
- case 4:
- val |= 0x38;
- break; /* Space */
- default:
- return (-1);
- }
- ofsAddr = moxaTableAddr[port];
- moxafunc(ofsAddr, FC_SetMode, val);
- return (0);
-}
-
-int MoxaPortTxBufSize(int port)
-{
- void __iomem *ofsAddr;
- int size;
-
- ofsAddr = moxaTableAddr[port];
- size = readw(ofsAddr + TX_mask);
- return (size);
-}
-
-int MoxaPortRxBufSize(int port)
-{
- void __iomem *ofsAddr;
- int size;
-
- ofsAddr = moxaTableAddr[port];
- size = readw(ofsAddr + RX_mask);
- return (size);
-}
-
-int MoxaPortRxFree(int port)
-{
- void __iomem *ofsAddr;
- ushort rptr, wptr, mask;
- int len;
-
- ofsAddr = moxaTableAddr[port];
- rptr = readw(ofsAddr + RXrptr);
- wptr = readw(ofsAddr + RXwptr);
- mask = readw(ofsAddr + RX_mask);
- len = mask - ((wptr - rptr) & mask);
- return (len);
-}
-int MoxaPortGetBrkCnt(int port)
-{
- return (moxaBreakCnt[port]);
-}
-
-void MoxaPortSetXonXoff(int port, int xonValue, int xoffValue)
-{
- void __iomem *ofsAddr;
-
- ofsAddr = moxaTableAddr[port];
- writew(xonValue, ofsAddr + FuncArg);
- writew(xoffValue, ofsAddr + FuncArg1);
- writew(FC_SetXonXoff, ofsAddr + FuncCode);
- wait_finish(ofsAddr);
-}
-
-int MoxaPortIsTxHold(int port)
-{
- void __iomem *ofsAddr;
- int val;
-
- ofsAddr = moxaTableAddr[port];
- if ((moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_ISA) ||
- (moxa_boards[port / MAX_PORTS_PER_BOARD].boardType == MOXA_BOARD_C320_PCI)) {
- moxafunc(ofsAddr, FC_GetCCSR, 0);
- val = readw(ofsAddr + FuncArg);
- if (val & 0x04)
- return (1);
- } else {
- if (readw(ofsAddr + FlagStat) & Tx_flowOff)
- return (1);
- }
- return (0);
-}
-#endif
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff