Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rearrage softc a little.

This commit is contained in:
augustss 2001-12-14 12:56:58 +00:00
parent 2f3bcd9810
commit 142cdc8997
1 changed files with 30 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
sys/dev/ir/irframe_tty.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: irframe_tty.c,v 1.15 2001/12/13 17:14:21 augustss Exp $ */
/* $NetBSD: irframe_tty.c,v 1.16 2001/12/14 12:56:58 augustss Exp $ */
/*
* TODO
@ -52,6 +52,7 @@
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/conf.h>
#include <sys/systm.h>
@ -88,7 +89,7 @@ struct frame {
u_char *buf;
u_int len;
};
#define MAXFRAMES 4
#define MAXFRAMES 8
struct irframet_softc {
struct irframe_softc sc_irp;
@ -103,12 +104,11 @@ struct irframet_softc {
#define IRT_WSLP 0x02 /* waiting for data (write) */
#define IRT_CLOSING 0x04 /* waiting for output to drain */
#endif
struct lock sc_wr_lk;
int sc_ebofs;
int sc_speed;
struct irda_params sc_params;
u_char* sc_inbuf;
int sc_maxsize;
int sc_framestate;
#define FRAME_OUTSIDE 0
#define FRAME_INSIDE 1
@ -421,7 +421,7 @@ irframetinput(int c, struct tty *tp)
sc->sc_framestate = FRAME_INSIDE;
c ^= SIR_ESC_BIT;
}
if (sc->sc_inchars < sc->sc_maxsize + 2) {
if (sc->sc_inchars < sc->sc_params.maxsize + 2) {
sc->sc_inbuf[sc->sc_inchars++] = c;
sc->sc_inFCS = updateFCS(sc->sc_inFCS, c);
} else {
@ -455,14 +455,15 @@ irframet_open(void *h, int flag, int mode, struct proc *p)
DPRINTF(("%s: tp=%p\n", __FUNCTION__, tp));
sc->sc_speed = 0;
sc->sc_ebofs = IRDA_DEFAULT_EBOFS;
sc->sc_maxsize = 0;
sc->sc_params.speed = 0;
sc->sc_params.ebofs = IRDA_DEFAULT_EBOFS;
sc->sc_params.maxsize = 0;
sc->sc_framestate = FRAME_OUTSIDE;
sc->sc_nframes = 0;
sc->sc_framei = 0;
sc->sc_frameo = 0;
callout_init(&sc->sc_timeout);
lockinit(&sc->sc_wr_lk, PZERO, "irfrtl", 0, 0);
return (0);
}
@ -527,7 +528,9 @@ irframet_read(void *h, struct uio *uio, int flag)
/* Do just one frame transfer per read */
if (!error) {
if (uio->uio_resid < sc->sc_frames[sc->sc_frameo].len) {
DPRINTF(("%s: uio buffer smaller than frame size (%d < %d)\n", __FUNCTION__, uio->uio_resid, sc->sc_frames[sc->sc_frameo].len));
DPRINTF(("%s: uio buffer smaller than frame size "
"(%d < %d)\n", __FUNCTION__, uio->uio_resid,
sc->sc_frames[sc->sc_frameo].len));
error = EINVAL;
} else {
DPRINTF(("%s: moving %d bytes\n", __FUNCTION__,
@ -592,7 +595,7 @@ irframet_write(void *h, struct uio *uio, int flag)
__FUNCTION__, uio->uio_resid, uio->uio_iovcnt,
(long)uio->uio_offset));
n = irda_sir_frame(buf, MAX_IRDA_FRAME, uio, sc->sc_ebofs);
n = irda_sir_frame(buf, MAX_IRDA_FRAME, uio, sc->sc_params.ebofs);
if (n < 0) {
#ifdef IRFRAMET_DEBUG
printf("%s: irda_sir_frame() error=%d\n", __FUNCTION__, -n);
@ -605,13 +608,16 @@ irframet_write(void *h, struct uio *uio, int flag)
int
irt_write_frame(struct tty *tp, u_int8_t *buf, size_t len)
{
struct irframet_softc *sc = (struct irframet_softc *)tp->t_sc;
int error, i;
DPRINTF(("%s: tp=%p len=%d\n", __FUNCTION__, tp, len));
lockmgr(&sc->sc_wr_lk, LK_EXCLUSIVE, NULL);
error = 0;
for (i = 0; !error && i < len; i++)
error = irt_putc(tp, buf[i]);
lockmgr(&sc->sc_wr_lk, LK_RELEASE, NULL);
irframetstart(tp);
@ -660,27 +666,30 @@ irframet_set_params(void *h, struct irda_params *p)
DPRINTF(("%s: tp=%p speed=%d ebofs=%d maxsize=%d\n",
__FUNCTION__, tp, p->speed, p->ebofs, p->maxsize));
if (p->speed != sc->sc_speed) {
if (p->speed != sc->sc_params.speed) {
/* Checked in irframe.c */
lockmgr(&sc->sc_wr_lk, LK_EXCLUSIVE, NULL);
irt_dongles[sc->sc_dongle].setspeed(tp, p->speed);
sc->sc_speed = p->speed;
lockmgr(&sc->sc_wr_lk, LK_RELEASE, NULL);
sc->sc_params.speed = p->speed;
}
/* Max size checked in irframe.c */
sc->sc_ebofs = p->ebofs;
sc->sc_params.ebofs = p->ebofs;
/* Max size checked in irframe.c */
if (sc->sc_maxsize != p->maxsize) {
sc->sc_maxsize = p->maxsize;
if (sc->sc_params.maxsize != p->maxsize) {
sc->sc_params.maxsize = p->maxsize;
if (sc->sc_inbuf != NULL)
free(sc->sc_inbuf, M_DEVBUF);
for (i = 0; i < MAXFRAMES; i++)
if (sc->sc_frames[i].buf != NULL)
free(sc->sc_frames[i].buf, M_DEVBUF);
if (sc->sc_maxsize != 0) {
sc->sc_inbuf = malloc(sc->sc_maxsize+2, M_DEVBUF,
M_WAITOK);
if (sc->sc_params.maxsize != 0) {
sc->sc_inbuf = malloc(sc->sc_params.maxsize+2,
M_DEVBUF, M_WAITOK);
for (i = 0; i < MAXFRAMES; i++)
sc->sc_frames[i].buf = malloc(sc->sc_maxsize,
sc->sc_frames[i].buf =
malloc(sc->sc_params.maxsize,
M_DEVBUF, M_WAITOK);
} else {
sc->sc_inbuf = NULL;