266 lines
7.1 KiB
Diff
266 lines
7.1 KiB
Diff
Index: linux-2.6.28.9/drivers/serial/crisv10.c
|
|
===================================================================
|
|
--- linux-2.6.28.9.orig/drivers/serial/crisv10.c 2009-04-10 12:58:18.000000000 +0200
|
|
+++ linux-2.6.28.9/drivers/serial/crisv10.c 2009-04-10 12:58:22.000000000 +0200
|
|
@@ -28,12 +28,15 @@
|
|
#include <linux/mutex.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/device.h>
|
|
+#include <linux/seq_file.h>
|
|
+#include <linux/delay.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/uaccess.h>
|
|
+#include <linux/io.h>
|
|
|
|
-#include <asm/io.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/dma.h>
|
|
#include <asm/system.h>
|
|
-#include <linux/delay.h>
|
|
|
|
#include <arch/svinto.h>
|
|
|
|
@@ -457,7 +460,6 @@
|
|
|
|
#define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial))
|
|
|
|
-static struct ktermios *serial_termios[NR_PORTS];
|
|
#ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER
|
|
static struct fast_timer fast_timers[NR_PORTS];
|
|
#endif
|
|
@@ -4221,151 +4223,132 @@
|
|
return 0;
|
|
}
|
|
|
|
+#ifdef CONFIG_PROC_FS
|
|
/*
|
|
* /proc fs routines....
|
|
*/
|
|
|
|
-static int line_info(char *buf, struct e100_serial *info)
|
|
+static void seq_line_info(struct seq_file *m, struct e100_serial *info)
|
|
{
|
|
- char stat_buf[30];
|
|
- int ret;
|
|
unsigned long tmp;
|
|
|
|
- ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d",
|
|
- info->line, (unsigned long)info->ioport, info->irq);
|
|
+ seq_printf(m, "%d: uart:E100 port:%lX irq:%d",
|
|
+ info->line, (unsigned long)info->ioport, info->irq);
|
|
|
|
if (!info->ioport || (info->type == PORT_UNKNOWN)) {
|
|
- ret += sprintf(buf+ret, "\n");
|
|
- return ret;
|
|
+ seq_printf(m, "\n");
|
|
+ return;
|
|
}
|
|
|
|
- stat_buf[0] = 0;
|
|
- stat_buf[1] = 0;
|
|
- if (!E100_RTS_GET(info))
|
|
- strcat(stat_buf, "|RTS");
|
|
- if (!E100_CTS_GET(info))
|
|
- strcat(stat_buf, "|CTS");
|
|
- if (!E100_DTR_GET(info))
|
|
- strcat(stat_buf, "|DTR");
|
|
- if (!E100_DSR_GET(info))
|
|
- strcat(stat_buf, "|DSR");
|
|
- if (!E100_CD_GET(info))
|
|
- strcat(stat_buf, "|CD");
|
|
- if (!E100_RI_GET(info))
|
|
- strcat(stat_buf, "|RI");
|
|
-
|
|
- ret += sprintf(buf+ret, " baud:%d", info->baud);
|
|
-
|
|
- ret += sprintf(buf+ret, " tx:%lu rx:%lu",
|
|
+ seq_printf(m, " baud:%d", info->baud);
|
|
+ seq_printf(m, " tx:%lu rx:%lu",
|
|
(unsigned long)info->icount.tx,
|
|
(unsigned long)info->icount.rx);
|
|
tmp = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
|
|
- if (tmp) {
|
|
- ret += sprintf(buf+ret, " tx_pend:%lu/%lu",
|
|
- (unsigned long)tmp,
|
|
- (unsigned long)SERIAL_XMIT_SIZE);
|
|
- }
|
|
-
|
|
- ret += sprintf(buf+ret, " rx_pend:%lu/%lu",
|
|
- (unsigned long)info->recv_cnt,
|
|
- (unsigned long)info->max_recv_cnt);
|
|
+ if (tmp)
|
|
+ seq_printf(m, " tx_pend:%lu/%lu",
|
|
+ (unsigned long)tmp,
|
|
+ (unsigned long)SERIAL_XMIT_SIZE);
|
|
+
|
|
+ seq_printf(m, " rx_pend:%lu/%lu",
|
|
+ (unsigned long)info->recv_cnt,
|
|
+ (unsigned long)info->max_recv_cnt);
|
|
|
|
#if 1
|
|
if (info->port.tty) {
|
|
-
|
|
if (info->port.tty->stopped)
|
|
- ret += sprintf(buf+ret, " stopped:%i",
|
|
- (int)info->port.tty->stopped);
|
|
+ seq_printf(m, " stopped:%i",
|
|
+ (int)info->port.tty->stopped);
|
|
if (info->port.tty->hw_stopped)
|
|
- ret += sprintf(buf+ret, " hw_stopped:%i",
|
|
- (int)info->port.tty->hw_stopped);
|
|
+ seq_printf(m, " hw_stopped:%i",
|
|
+ (int)info->port.tty->hw_stopped);
|
|
}
|
|
|
|
{
|
|
unsigned char rstat = info->ioport[REG_STATUS];
|
|
- if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) )
|
|
- ret += sprintf(buf+ret, " xoff_detect:1");
|
|
+ if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect))
|
|
+ seq_printf(m, " xoff_detect:1");
|
|
}
|
|
|
|
#endif
|
|
|
|
-
|
|
-
|
|
-
|
|
if (info->icount.frame)
|
|
- ret += sprintf(buf+ret, " fe:%lu",
|
|
- (unsigned long)info->icount.frame);
|
|
+ seq_printf(m, " fe:%lu", (unsigned long)info->icount.frame);
|
|
|
|
if (info->icount.parity)
|
|
- ret += sprintf(buf+ret, " pe:%lu",
|
|
- (unsigned long)info->icount.parity);
|
|
+ seq_printf(m, " pe:%lu", (unsigned long)info->icount.parity);
|
|
|
|
if (info->icount.brk)
|
|
- ret += sprintf(buf+ret, " brk:%lu",
|
|
- (unsigned long)info->icount.brk);
|
|
+ seq_printf(m, " brk:%lu", (unsigned long)info->icount.brk);
|
|
|
|
if (info->icount.overrun)
|
|
- ret += sprintf(buf+ret, " oe:%lu",
|
|
- (unsigned long)info->icount.overrun);
|
|
+ seq_printf(m, " oe:%lu", (unsigned long)info->icount.overrun);
|
|
|
|
/*
|
|
* Last thing is the RS-232 status lines
|
|
*/
|
|
- ret += sprintf(buf+ret, " %s\n", stat_buf+1);
|
|
- return ret;
|
|
+ if (!E100_RTS_GET(info))
|
|
+ seq_puts(m, "|RTS");
|
|
+ if (!E100_CTS_GET(info))
|
|
+ seq_puts(m, "|CTS");
|
|
+ if (!E100_DTR_GET(info))
|
|
+ seq_puts(m, "|DTR");
|
|
+ if (!E100_DSR_GET(info))
|
|
+ seq_puts(m, "|DSR");
|
|
+ if (!E100_CD_GET(info))
|
|
+ seq_puts(m, "|CD");
|
|
+ if (!E100_RI_GET(info))
|
|
+ seq_puts(m, "|RI");
|
|
+ seq_puts(m, "\n");
|
|
}
|
|
|
|
-int rs_read_proc(char *page, char **start, off_t off, int count,
|
|
- int *eof, void *data)
|
|
+
|
|
+static int crisv10_proc_show(struct seq_file *m, void *v)
|
|
{
|
|
- int i, len = 0, l;
|
|
- off_t begin = 0;
|
|
+ int i;
|
|
+
|
|
+ seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version);
|
|
|
|
- len += sprintf(page, "serinfo:1.0 driver:%s\n",
|
|
- serial_version);
|
|
- for (i = 0; i < NR_PORTS && len < 4000; i++) {
|
|
+ for (i = 0; i < NR_PORTS; i++) {
|
|
if (!rs_table[i].enabled)
|
|
continue;
|
|
- l = line_info(page + len, &rs_table[i]);
|
|
- len += l;
|
|
- if (len+begin > off+count)
|
|
- goto done;
|
|
- if (len+begin < off) {
|
|
- begin += len;
|
|
- len = 0;
|
|
- }
|
|
+ seq_line_info(m, &rs_table[i]);
|
|
}
|
|
#ifdef DEBUG_LOG_INCLUDED
|
|
for (i = 0; i < debug_log_pos; i++) {
|
|
- len += sprintf(page + len, "%-4i %lu.%lu ", i, debug_log[i].time, timer_data_to_ns(debug_log[i].timer_data));
|
|
- len += sprintf(page + len, debug_log[i].string, debug_log[i].value);
|
|
- if (len+begin > off+count)
|
|
- goto done;
|
|
- if (len+begin < off) {
|
|
- begin += len;
|
|
- len = 0;
|
|
- }
|
|
+ seq_printf(m, "%-4i %lu.%lu ",
|
|
+ i, debug_log[i].time,
|
|
+ timer_data_to_ns(debug_log[i].timer_data));
|
|
+ seq_printf(m, debug_log[i].string, debug_log[i].value);
|
|
}
|
|
- len += sprintf(page + len, "debug_log %i/%i %li bytes\n",
|
|
- i, DEBUG_LOG_SIZE, begin+len);
|
|
+ seq_printf(m, "debug_log %i/%i\n", i, DEBUG_LOG_SIZE);
|
|
debug_log_pos = 0;
|
|
#endif
|
|
+ return 0;
|
|
+}
|
|
|
|
- *eof = 1;
|
|
-done:
|
|
- if (off >= len+begin)
|
|
- return 0;
|
|
- *start = page + (off-begin);
|
|
- return ((count < begin+len-off) ? count : begin+len-off);
|
|
+static int crisv10_proc_open(struct inode *inode, struct file *file)
|
|
+{
|
|
+ return single_open(file, crisv10_proc_show, NULL);
|
|
}
|
|
|
|
+static const struct file_operations crisv10_proc_fops = {
|
|
+ .owner = THIS_MODULE,
|
|
+ .open = crisv10_proc_open,
|
|
+ .read = seq_read,
|
|
+ .llseek = seq_lseek,
|
|
+ .release = single_release,
|
|
+};
|
|
+#endif
|
|
+
|
|
+
|
|
/* Finally, routines used to initialize the serial driver. */
|
|
|
|
-static void
|
|
-show_serial_version(void)
|
|
+static void show_serial_version(void)
|
|
{
|
|
printk(KERN_INFO
|
|
- "ETRAX 100LX serial-driver %s, (c) 2000-2004 Axis Communications AB\r\n",
|
|
+ "ETRAX 100LX serial-driver %s, "
|
|
+ "(c) 2000-2004 Axis Communications AB\r\n",
|
|
&serial_version[11]); /* "$Revision: x.yy" */
|
|
}
|
|
|
|
@@ -4389,9 +4372,11 @@
|
|
.break_ctl = rs_break,
|
|
.send_xchar = rs_send_xchar,
|
|
.wait_until_sent = rs_wait_until_sent,
|
|
- .read_proc = rs_read_proc,
|
|
.tiocmget = rs_tiocmget,
|
|
- .tiocmset = rs_tiocmset
|
|
+ .tiocmset = rs_tiocmset,
|
|
+#ifdef CONFIG_PROC_FS
|
|
+ .proc_fops = &crisv10_proc_fops,
|
|
+#endif
|
|
};
|
|
|
|
static struct class *rs_class;
|