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Diffstat (limited to 'drivers/char/synclinkmp.c')
-rw-r--r--drivers/char/synclinkmp.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index ec949e4c070f..6fb165cf8a61 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -1,5 +1,5 @@
1/* 1/*
2 * $Id: synclinkmp.c,v 4.34 2005/03/04 15:07:10 paulkf Exp $ 2 * $Id: synclinkmp.c,v 4.38 2005/07/15 13:29:44 paulkf Exp $
3 * 3 *
4 * Device driver for Microgate SyncLink Multiport 4 * Device driver for Microgate SyncLink Multiport
5 * high speed multiprotocol serial adapter. 5 * high speed multiprotocol serial adapter.
@@ -55,7 +55,6 @@
55#include <linux/netdevice.h> 55#include <linux/netdevice.h>
56#include <linux/vmalloc.h> 56#include <linux/vmalloc.h>
57#include <linux/init.h> 57#include <linux/init.h>
58#include <asm/serial.h>
59#include <linux/delay.h> 58#include <linux/delay.h>
60#include <linux/ioctl.h> 59#include <linux/ioctl.h>
61 60
@@ -487,7 +486,7 @@ module_param_array(maxframe, int, NULL, 0);
487module_param_array(dosyncppp, int, NULL, 0); 486module_param_array(dosyncppp, int, NULL, 0);
488 487
489static char *driver_name = "SyncLink MultiPort driver"; 488static char *driver_name = "SyncLink MultiPort driver";
490static char *driver_version = "$Revision: 4.34 $"; 489static char *driver_version = "$Revision: 4.38 $";
491 490
492static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent); 491static int synclinkmp_init_one(struct pci_dev *dev,const struct pci_device_id *ent);
493static void synclinkmp_remove_one(struct pci_dev *dev); 492static void synclinkmp_remove_one(struct pci_dev *dev);
@@ -556,7 +555,6 @@ static int set_txidle(SLMP_INFO *info, int idle_mode);
556static int tx_enable(SLMP_INFO *info, int enable); 555static int tx_enable(SLMP_INFO *info, int enable);
557static int tx_abort(SLMP_INFO *info); 556static int tx_abort(SLMP_INFO *info);
558static int rx_enable(SLMP_INFO *info, int enable); 557static int rx_enable(SLMP_INFO *info, int enable);
559static int map_status(int signals);
560static int modem_input_wait(SLMP_INFO *info,int arg); 558static int modem_input_wait(SLMP_INFO *info,int arg);
561static int wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr); 559static int wait_mgsl_event(SLMP_INFO *info, int __user *mask_ptr);
562static int tiocmget(struct tty_struct *tty, struct file *file); 560static int tiocmget(struct tty_struct *tty, struct file *file);
@@ -645,7 +643,7 @@ static unsigned char tx_active_fifo_level = 16; // tx request FIFO activation le
645static unsigned char tx_negate_fifo_level = 32; // tx request FIFO negation level in bytes 643static unsigned char tx_negate_fifo_level = 32; // tx request FIFO negation level in bytes
646 644
647static u32 misc_ctrl_value = 0x007e4040; 645static u32 misc_ctrl_value = 0x007e4040;
648static u32 lcr1_brdr_value = 0x00800029; 646static u32 lcr1_brdr_value = 0x00800028;
649 647
650static u32 read_ahead_count = 8; 648static u32 read_ahead_count = 8;
651 649
@@ -2750,6 +2748,8 @@ static int startup(SLMP_INFO * info)
2750 2748
2751 info->pending_bh = 0; 2749 info->pending_bh = 0;
2752 2750
2751 memset(&info->icount, 0, sizeof(info->icount));
2752
2753 /* program hardware for current parameters */ 2753 /* program hardware for current parameters */
2754 reset_port(info); 2754 reset_port(info);
2755 2755
@@ -2953,12 +2953,12 @@ static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount)
2953 printk("%s(%d):%s get_params()\n", 2953 printk("%s(%d):%s get_params()\n",
2954 __FILE__,__LINE__, info->device_name); 2954 __FILE__,__LINE__, info->device_name);
2955 2955
2956 COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount)); 2956 if (!user_icount) {
2957 if (err) { 2957 memset(&info->icount, 0, sizeof(info->icount));
2958 if ( debug_level >= DEBUG_LEVEL_INFO ) 2958 } else {
2959 printk( "%s(%d):%s get_stats() user buffer copy failed\n", 2959 COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount));
2960 __FILE__,__LINE__,info->device_name); 2960 if (err)
2961 return -EFAULT; 2961 return -EFAULT;
2962 } 2962 }
2963 2963
2964 return 0; 2964 return 0;
@@ -3109,16 +3109,6 @@ static int rx_enable(SLMP_INFO * info, int enable)
3109 return 0; 3109 return 0;
3110} 3110}
3111 3111
3112static int map_status(int signals)
3113{
3114 /* Map status bits to API event bits */
3115
3116 return ((signals & SerialSignal_DSR) ? MgslEvent_DsrActive : MgslEvent_DsrInactive) +
3117 ((signals & SerialSignal_CTS) ? MgslEvent_CtsActive : MgslEvent_CtsInactive) +
3118 ((signals & SerialSignal_DCD) ? MgslEvent_DcdActive : MgslEvent_DcdInactive) +
3119 ((signals & SerialSignal_RI) ? MgslEvent_RiActive : MgslEvent_RiInactive);
3120}
3121
3122/* wait for specified event to occur 3112/* wait for specified event to occur
3123 */ 3113 */
3124static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr) 3114static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
@@ -3145,7 +3135,7 @@ static int wait_mgsl_event(SLMP_INFO * info, int __user *mask_ptr)
3145 3135
3146 /* return immediately if state matches requested events */ 3136 /* return immediately if state matches requested events */
3147 get_signals(info); 3137 get_signals(info);
3148 s = map_status(info->serial_signals); 3138 s = info->serial_signals;
3149 3139
3150 events = mask & 3140 events = mask &
3151 ( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) + 3141 ( ((s & SerialSignal_DSR) ? MgslEvent_DsrActive:MgslEvent_DsrInactive) +
@@ -4489,11 +4479,13 @@ void async_mode(SLMP_INFO *info)
4489 /* MD2, Mode Register 2 4479 /* MD2, Mode Register 2
4490 * 4480 *
4491 * 07..02 Reserved, must be 0 4481 * 07..02 Reserved, must be 0
4492 * 01..00 CNCT<1..0> Channel connection, 0=normal 4482 * 01..00 CNCT<1..0> Channel connection, 00=normal 11=local loopback
4493 * 4483 *
4494 * 0000 0000 4484 * 0000 0000
4495 */ 4485 */
4496 RegValue = 0x00; 4486 RegValue = 0x00;
4487 if (info->params.loopback)
4488 RegValue |= (BIT1 + BIT0);
4497 write_reg(info, MD2, RegValue); 4489 write_reg(info, MD2, RegValue);
4498 4490
4499 /* RXS, Receive clock source 4491 /* RXS, Receive clock source
@@ -4574,9 +4566,6 @@ void async_mode(SLMP_INFO *info)
4574 write_reg(info, IE2, info->ie2_value); 4566 write_reg(info, IE2, info->ie2_value);
4575 4567
4576 set_rate( info, info->params.data_rate * 16 ); 4568 set_rate( info, info->params.data_rate * 16 );
4577
4578 if (info->params.loopback)
4579 enable_loopback(info,1);
4580} 4569}
4581 4570
4582/* Program the SCA for HDLC communications. 4571/* Program the SCA for HDLC communications.