mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 15:02:32 +00:00
264 lines
7.0 KiB
Diff
264 lines
7.0 KiB
Diff
--- a/drivers/serial/crisv10.c
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+++ b/drivers/serial/crisv10.c
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@@ -28,12 +28,15 @@ static char *serial_version = "$Revision
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#include <linux/mutex.h>
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#include <linux/bitops.h>
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#include <linux/device.h>
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+#include <linux/seq_file.h>
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+#include <linux/delay.h>
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+#include <linux/module.h>
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+#include <linux/uaccess.h>
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+#include <linux/io.h>
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-#include <asm/io.h>
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#include <asm/irq.h>
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#include <asm/dma.h>
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#include <asm/system.h>
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-#include <linux/delay.h>
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#include <arch/svinto.h>
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@@ -457,7 +460,6 @@ static struct e100_serial rs_table[] = {
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#define NR_PORTS (sizeof(rs_table)/sizeof(struct e100_serial))
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-static struct ktermios *serial_termios[NR_PORTS];
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#ifdef CONFIG_ETRAX_SERIAL_FAST_TIMER
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static struct fast_timer fast_timers[NR_PORTS];
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#endif
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@@ -4221,151 +4223,132 @@ rs_open(struct tty_struct *tty, struct f
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return 0;
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}
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+#ifdef CONFIG_PROC_FS
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/*
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* /proc fs routines....
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*/
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-static int line_info(char *buf, struct e100_serial *info)
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+static void seq_line_info(struct seq_file *m, struct e100_serial *info)
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{
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- char stat_buf[30];
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- int ret;
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unsigned long tmp;
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- ret = sprintf(buf, "%d: uart:E100 port:%lX irq:%d",
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- info->line, (unsigned long)info->ioport, info->irq);
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+ seq_printf(m, "%d: uart:E100 port:%lX irq:%d",
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+ info->line, (unsigned long)info->ioport, info->irq);
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if (!info->ioport || (info->type == PORT_UNKNOWN)) {
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- ret += sprintf(buf+ret, "\n");
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- return ret;
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+ seq_printf(m, "\n");
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+ return;
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}
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- stat_buf[0] = 0;
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- stat_buf[1] = 0;
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- if (!E100_RTS_GET(info))
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- strcat(stat_buf, "|RTS");
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- if (!E100_CTS_GET(info))
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- strcat(stat_buf, "|CTS");
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- if (!E100_DTR_GET(info))
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- strcat(stat_buf, "|DTR");
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- if (!E100_DSR_GET(info))
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- strcat(stat_buf, "|DSR");
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- if (!E100_CD_GET(info))
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- strcat(stat_buf, "|CD");
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- if (!E100_RI_GET(info))
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- strcat(stat_buf, "|RI");
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-
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- ret += sprintf(buf+ret, " baud:%d", info->baud);
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-
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- ret += sprintf(buf+ret, " tx:%lu rx:%lu",
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+ seq_printf(m, " baud:%d", info->baud);
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+ seq_printf(m, " tx:%lu rx:%lu",
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(unsigned long)info->icount.tx,
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(unsigned long)info->icount.rx);
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tmp = CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE);
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- if (tmp) {
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- ret += sprintf(buf+ret, " tx_pend:%lu/%lu",
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- (unsigned long)tmp,
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- (unsigned long)SERIAL_XMIT_SIZE);
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- }
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-
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- ret += sprintf(buf+ret, " rx_pend:%lu/%lu",
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- (unsigned long)info->recv_cnt,
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- (unsigned long)info->max_recv_cnt);
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+ if (tmp)
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+ seq_printf(m, " tx_pend:%lu/%lu",
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+ (unsigned long)tmp,
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+ (unsigned long)SERIAL_XMIT_SIZE);
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+
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+ seq_printf(m, " rx_pend:%lu/%lu",
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+ (unsigned long)info->recv_cnt,
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+ (unsigned long)info->max_recv_cnt);
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#if 1
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if (info->port.tty) {
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-
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if (info->port.tty->stopped)
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- ret += sprintf(buf+ret, " stopped:%i",
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- (int)info->port.tty->stopped);
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+ seq_printf(m, " stopped:%i",
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+ (int)info->port.tty->stopped);
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if (info->port.tty->hw_stopped)
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- ret += sprintf(buf+ret, " hw_stopped:%i",
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- (int)info->port.tty->hw_stopped);
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+ seq_printf(m, " hw_stopped:%i",
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+ (int)info->port.tty->hw_stopped);
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}
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{
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unsigned char rstat = info->ioport[REG_STATUS];
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- if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect) )
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- ret += sprintf(buf+ret, " xoff_detect:1");
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+ if (rstat & IO_MASK(R_SERIAL0_STATUS, xoff_detect))
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+ seq_printf(m, " xoff_detect:1");
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}
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#endif
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-
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-
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-
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if (info->icount.frame)
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- ret += sprintf(buf+ret, " fe:%lu",
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- (unsigned long)info->icount.frame);
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+ seq_printf(m, " fe:%lu", (unsigned long)info->icount.frame);
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if (info->icount.parity)
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- ret += sprintf(buf+ret, " pe:%lu",
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- (unsigned long)info->icount.parity);
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+ seq_printf(m, " pe:%lu", (unsigned long)info->icount.parity);
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if (info->icount.brk)
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- ret += sprintf(buf+ret, " brk:%lu",
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- (unsigned long)info->icount.brk);
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+ seq_printf(m, " brk:%lu", (unsigned long)info->icount.brk);
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if (info->icount.overrun)
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- ret += sprintf(buf+ret, " oe:%lu",
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- (unsigned long)info->icount.overrun);
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+ seq_printf(m, " oe:%lu", (unsigned long)info->icount.overrun);
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/*
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* Last thing is the RS-232 status lines
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*/
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- ret += sprintf(buf+ret, " %s\n", stat_buf+1);
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- return ret;
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+ if (!E100_RTS_GET(info))
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+ seq_puts(m, "|RTS");
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+ if (!E100_CTS_GET(info))
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+ seq_puts(m, "|CTS");
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+ if (!E100_DTR_GET(info))
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+ seq_puts(m, "|DTR");
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+ if (!E100_DSR_GET(info))
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+ seq_puts(m, "|DSR");
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+ if (!E100_CD_GET(info))
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+ seq_puts(m, "|CD");
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+ if (!E100_RI_GET(info))
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+ seq_puts(m, "|RI");
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+ seq_puts(m, "\n");
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}
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-int rs_read_proc(char *page, char **start, off_t off, int count,
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- int *eof, void *data)
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+
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+static int crisv10_proc_show(struct seq_file *m, void *v)
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{
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- int i, len = 0, l;
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- off_t begin = 0;
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+ int i;
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+
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+ seq_printf(m, "serinfo:1.0 driver:%s\n", serial_version);
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- len += sprintf(page, "serinfo:1.0 driver:%s\n",
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- serial_version);
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- for (i = 0; i < NR_PORTS && len < 4000; i++) {
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+ for (i = 0; i < NR_PORTS; i++) {
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if (!rs_table[i].enabled)
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continue;
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- l = line_info(page + len, &rs_table[i]);
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- len += l;
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- if (len+begin > off+count)
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- goto done;
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- if (len+begin < off) {
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- begin += len;
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- len = 0;
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- }
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+ seq_line_info(m, &rs_table[i]);
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}
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#ifdef DEBUG_LOG_INCLUDED
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for (i = 0; i < debug_log_pos; i++) {
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- len += sprintf(page + len, "%-4i %lu.%lu ", i, debug_log[i].time, timer_data_to_ns(debug_log[i].timer_data));
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- len += sprintf(page + len, debug_log[i].string, debug_log[i].value);
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- if (len+begin > off+count)
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- goto done;
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- if (len+begin < off) {
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- begin += len;
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- len = 0;
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- }
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+ seq_printf(m, "%-4i %lu.%lu ",
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+ i, debug_log[i].time,
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+ timer_data_to_ns(debug_log[i].timer_data));
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+ seq_printf(m, debug_log[i].string, debug_log[i].value);
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}
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- len += sprintf(page + len, "debug_log %i/%i %li bytes\n",
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- i, DEBUG_LOG_SIZE, begin+len);
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+ seq_printf(m, "debug_log %i/%i\n", i, DEBUG_LOG_SIZE);
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debug_log_pos = 0;
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#endif
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+ return 0;
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+}
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- *eof = 1;
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-done:
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- if (off >= len+begin)
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- return 0;
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- *start = page + (off-begin);
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- return ((count < begin+len-off) ? count : begin+len-off);
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+static int crisv10_proc_open(struct inode *inode, struct file *file)
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+{
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+ return single_open(file, crisv10_proc_show, NULL);
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}
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+static const struct file_operations crisv10_proc_fops = {
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+ .owner = THIS_MODULE,
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+ .open = crisv10_proc_open,
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+ .read = seq_read,
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+ .llseek = seq_lseek,
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+ .release = single_release,
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+};
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+#endif
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+
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+
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/* Finally, routines used to initialize the serial driver. */
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-static void
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-show_serial_version(void)
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+static void show_serial_version(void)
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{
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printk(KERN_INFO
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- "ETRAX 100LX serial-driver %s, (c) 2000-2004 Axis Communications AB\r\n",
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+ "ETRAX 100LX serial-driver %s, "
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+ "(c) 2000-2004 Axis Communications AB\r\n",
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&serial_version[11]); /* "$Revision: x.yy" */
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}
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@@ -4389,9 +4372,11 @@ static const struct tty_operations rs_op
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.break_ctl = rs_break,
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.send_xchar = rs_send_xchar,
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.wait_until_sent = rs_wait_until_sent,
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- .read_proc = rs_read_proc,
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.tiocmget = rs_tiocmget,
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- .tiocmset = rs_tiocmset
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+ .tiocmset = rs_tiocmset,
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+#ifdef CONFIG_PROC_FS
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+ .proc_fops = &crisv10_proc_fops,
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+#endif
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};
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static struct class *rs_class;
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