diff options
author | phk <phk@FreeBSD.org> | 2004-10-12 09:18:37 +0000 |
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committer | phk <phk@FreeBSD.org> | 2004-10-12 09:18:37 +0000 |
commit | e8e6e088ca280b9b9bc5ed825791dcd080bce7ac (patch) | |
tree | 6594255daa386de4ee098e057c14f8513e6b55ad /sys/dev/usb | |
parent | 68381630e58cdd199058e1cb6f62cc1ae4ec875c (diff) | |
download | FreeBSD-src-e8e6e088ca280b9b9bc5ed825791dcd080bce7ac.zip FreeBSD-src-e8e6e088ca280b9b9bc5ed825791dcd080bce7ac.tar.gz |
Use generic tty code instead of local copies.
New devicename is ttyy{unit}{port}
No callout devices created as there is no modemcontrol on these ports.
Add data structure to represent each port to avoid excessive array use.
Diffstat (limited to 'sys/dev/usb')
-rw-r--r-- | sys/dev/usb/ubser.c | 367 |
1 files changed, 98 insertions, 269 deletions
diff --git a/sys/dev/usb/ubser.c b/sys/dev/usb/ubser.c index d189a62..601af2a 100644 --- a/sys/dev/usb/ubser.c +++ b/sys/dev/usb/ubser.c @@ -87,15 +87,12 @@ __FBSDID("$FreeBSD$"); #include <sys/ioccom.h> #include <sys/fcntl.h> #include <sys/conf.h> +#include <sys/serial.h> #include <sys/tty.h> #include <sys/clist.h> #include <sys/file.h> -#if __FreeBSD_version >= 500014 #include <sys/selinfo.h> -#else -#include <sys/select.h> -#endif #include <sys/sysctl.h> @@ -131,6 +128,14 @@ SYSCTL_INT(_hw_usb_ubser, OID_AUTO, debug, CTLFLAG_RW, #define SET(t, f) (t) |= (f) #define CLR(t, f) (t) &= ~((unsigned)(f)) +struct ubser_port { + int p_port; + struct ubser_softc *p_sc; + usbd_xfer_handle p_oxfer; /* write request */ + u_char *p_obuf; /* write buffer */ + struct tty *p_tty; +}; + struct ubser_softc { USBBASEDEVICE sc_dev; usbd_device_handle sc_udev; @@ -152,20 +157,13 @@ struct ubser_softc { int sc_bulkout_no; /* bulk out endpoint address */ usbd_pipe_handle sc_bulkout_pipe;/* bulk out pipe */ - usbd_xfer_handle sc_oxfer[8]; /* write request */ - u_char *sc_obuf[8]; /* write buffer */ u_int sc_obufsize; /* write buffer size */ u_int sc_opkthdrlen; /* header length of output packet */ - struct cdev *dev[8]; -}; + struct ubser_port sc_port[8]; -Static d_open_t ubser_open; -Static d_close_t ubser_close; -Static d_read_t ubser_read; -Static d_write_t ubser_write; -Static d_ioctl_t ubser_ioctl; +}; Static int ubserparam(struct tty *, struct termios *); Static void ubserstart(struct tty *); @@ -175,29 +173,10 @@ Static void ubserreadcb(usbd_xfer_handle, usbd_private_handle, usbd_status); Static void ubserwritecb(usbd_xfer_handle, usbd_private_handle, usbd_status); Static void ubser_cleanup(struct ubser_softc *sc); -static struct cdevsw ubser_cdevsw = { -#if __FreeBSD_version > 502102 - .d_version = D_VERSION, -#endif - .d_open = ubser_open, - .d_close = ubser_close, - .d_read = ubser_read, - .d_write = ubser_write, - .d_ioctl = ubser_ioctl, -#if __FreeBSD_version < 502103 - .d_poll = ttypoll, - .d_kqfilter = ttykqfilter, -#endif - .d_name = "ubser", -#if __FreeBSD_version > 502102 - .d_flags = D_TTY | D_NEEDGIANT, -#else - .d_flags = D_TTY, -#endif -#if __FreeBSD_version < 500014 - .d_bmaj = -1, -#endif -}; +Static t_break_t ubserbreak; +Static t_open_t ubseropen; +Static t_close_t ubserclose; +Static t_modem_t ubsermodem; USB_DECLARE_DRIVER(ubser); @@ -253,6 +232,7 @@ USB_ATTACH(ubser) int i; int alen; uint8_t epcount; + struct ubser_port *pp; devinfo = malloc(1024, M_USBDEV, M_WAITOK); usbd_devinfo(udev, 0, devinfo); @@ -263,10 +243,6 @@ USB_ATTACH(ubser) sc->sc_udev = udev = uaa->device; sc->sc_iface = uaa->iface; - for (i = 0; i < 8; i++) { - sc->dev[i] = NULL; - } - /* get interface index */ id = usbd_get_interface_descriptor(uaa->iface); if (id == NULL) { @@ -301,30 +277,6 @@ USB_ATTACH(ubser) sc->sc_obufsize = 7; sc->sc_opkthdrlen = 1; - for (i = 0; i < sc->sc_numser; i++) { - sc->dev[i] = NULL; - } - - for (i = 0; i < sc->sc_numser; i++) { - sc->dev[i] = make_dev(&ubser_cdevsw, - USBDEVUNIT(sc->sc_dev) * 8 + i, - UID_UUCP, GID_DIALER, 0660, - "%s.%d", USBDEVNAME(sc->sc_dev), i); - if (sc->dev[i] == NULL) { - printf("%s: make_dev failed\n", USBDEVNAME(sc->sc_dev)); - goto bad; - } - sc->dev[i]->si_tty = tp = ttyalloc(); - if (sc->dev[i]->si_tty == NULL) { - printf("%s: ttymalloc failed\n", USBDEVNAME(sc->sc_dev)); - goto bad; - } - DPRINTF(("ubser_attach: tty_attach tp = %p\n", tp)); - tp->t_oproc = ubserstart; - tp->t_param = ubserparam; - tp->t_stop = ubserstop; - } - /* find our bulk endpoints */ epcount = 0; usbd_endpoint_count(sc->sc_iface, &epcount); @@ -345,14 +297,8 @@ USB_ATTACH(ubser) sc->sc_bulkout_no = ed->bEndpointAddress; } } - if (sc->sc_bulkin_no == -1) { - printf("%s: could not find bulk in endpoint\n", - USBDEVNAME(sc->sc_dev)); - sc->sc_dying = 1; - USB_ATTACH_ERROR_RETURN; - } - if (sc->sc_bulkout_no == -1) { - printf("%s: could not find bulk out endpoint\n", + if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1) { + printf("%s: could not find bulk in/out endpoint\n", USBDEVNAME(sc->sc_dev)); sc->sc_dying = 1; USB_ATTACH_ERROR_RETURN; @@ -390,20 +336,37 @@ USB_ATTACH(ubser) goto fail_3; } + for (i = 0; i < sc->sc_numser; i++) { + pp = &sc->sc_port[i]; + pp->p_port = i; + tp = pp->p_tty = ttyalloc(); + tp->t_sc = pp; + DPRINTF(("ubser_attach: tty_attach tp = %p\n", tp)); + tp->t_oproc = ubserstart; + tp->t_param = ubserparam; + tp->t_stop = ubserstop; + tp->t_break = ubserbreak; + tp->t_open = ubseropen; + tp->t_close = ubserclose; + tp->t_modem = ubsermodem; + ttycreate(tp, NULL, 0, 0, "y%r%r", USBDEVUNIT(sc->sc_dev), i); + } + + for (i = 0; i < 8; i++) { - sc->sc_oxfer[i] = NULL; - sc->sc_obuf[i] = NULL; + sc->sc_port[i].p_oxfer = NULL; + sc->sc_port[i].p_obuf = NULL; } for (i = 0; i < sc->sc_numser; i++) { - sc->sc_oxfer[i] = usbd_alloc_xfer(sc->sc_udev); - if (sc->sc_oxfer[i] == NULL) { + sc->sc_port[i].p_oxfer = usbd_alloc_xfer(sc->sc_udev); + if (sc->sc_port[i].p_oxfer == NULL) { goto fail_4; } - sc->sc_obuf[i] = usbd_alloc_buffer(sc->sc_oxfer[i], + sc->sc_port[i].p_obuf = usbd_alloc_buffer(sc->sc_port[i].p_oxfer, sc->sc_obufsize + sc->sc_opkthdrlen); - if (sc->sc_obuf[i] == NULL) { + if (sc->sc_port[i].p_obuf == NULL) { goto fail_4; } } @@ -415,9 +378,9 @@ USB_ATTACH(ubser) fail_4: for (i = 0; i < sc->sc_numser; i++) { - if (sc->sc_oxfer[i] != NULL) { - usbd_free_xfer(sc->sc_oxfer[i]); - sc->sc_oxfer[i] = NULL; + if (sc->sc_port[i].p_oxfer != NULL) { + usbd_free_xfer(sc->sc_port[i].p_oxfer); + sc->sc_port[i].p_oxfer = NULL; } } fail_3: @@ -436,16 +399,9 @@ fail_0: bad: ubser_cleanup(sc); for (i = 0; i < 8; i++) { - if (sc->dev[i] != NULL) { - tp = sc->dev[i]->si_tty; - if (tp != NULL) { - if (tp->t_state & TS_ISOPEN) { - ttyld_close(tp, 0); - tty_close(tp); - } - } - destroy_dev(sc->dev[i]); - } + pp = &sc->sc_port[i]; + if (pp->p_tty != NULL) + ttyfree(pp->p_tty); } DPRINTF(("ubser_attach: ATTACH ERROR\n")); @@ -458,28 +414,26 @@ USB_DETACH(ubser) { USB_DETACH_START(ubser, sc); int i, s; - struct tty *tp; + struct ubser_port *pp; DPRINTF(("ubser_detach: sc=%p\n", sc)); sc->sc_dying = 1; + for (i = 0; i < sc->sc_numser; i++) { + pp = &sc->sc_port[i]; + if (pp->p_tty != NULL) + ttygone(pp->p_tty); + } if (sc->sc_bulkin_pipe != NULL) usbd_abort_pipe(sc->sc_bulkin_pipe); if (sc->sc_bulkout_pipe != NULL) usbd_abort_pipe(sc->sc_bulkout_pipe); - for (i = 0; i < 8; i++) { - if (sc->dev[i] != NULL) { - tp = sc->dev[i]->si_tty; - if (tp != NULL) { - if (tp->t_state & TS_ISOPEN) { - ttyld_close(tp, 0); - tty_close(tp); - } - } - destroy_dev(sc->dev[i]); - } + for (i = 0; i < sc->sc_numser; i++) { + pp = &sc->sc_port[i]; + if (pp->p_tty != NULL) + ttyfree(pp->p_tty); } s = splusb(); @@ -496,8 +450,10 @@ Static int ubserparam(struct tty *tp, struct termios *t) { struct ubser_softc *sc; + struct ubser_port *pp; - USB_GET_SC(ubser, dev2unit(tp->t_dev) / 8, sc); + pp = tp->t_sc; + sc = pp->p_sc; if (sc->sc_dying) return (EIO); @@ -554,6 +510,7 @@ Static void ubserstart(struct tty *tp) { struct ubser_softc *sc; + struct ubser_port *pp; struct cblock *cbp; usbd_status err; int s; @@ -561,8 +518,9 @@ ubserstart(struct tty *tp) int cnt; uint8_t serial; - USB_GET_SC(ubser, dev2unit(tp->t_dev) / 8, sc); - serial = dev2unit(tp->t_dev) & 0x07; + pp = tp->t_sc; + sc = pp->p_sc; + serial = pp->p_port; DPRINTF(("ubserstart: sc = %p, tp = %p\n", sc, tp)); if (sc->sc_dying) @@ -608,17 +566,17 @@ ubserstart(struct tty *tp) DPRINTF(("ubserstart: big buffer %d chars\n", cnt)); cnt = sc->sc_obufsize; } - sc->sc_obuf[serial][0] = serial; - memcpy(sc->sc_obuf[serial] + sc->sc_opkthdrlen, data, cnt); + sc->sc_port[serial].p_obuf[0] = serial; + memcpy(sc->sc_port[serial].p_obuf + sc->sc_opkthdrlen, data, cnt); DPRINTF(("ubserstart: %d chars\n", cnt)); - usbd_setup_xfer(sc->sc_oxfer[serial], sc->sc_bulkout_pipe, - (usbd_private_handle)tp, sc->sc_obuf[serial], + usbd_setup_xfer(sc->sc_port[serial].p_oxfer, sc->sc_bulkout_pipe, + (usbd_private_handle)tp, sc->sc_port[serial].p_obuf, cnt + sc->sc_opkthdrlen, USBD_NO_COPY, USBD_NO_TIMEOUT, ubserwritecb); /* What can we do on error? */ - err = usbd_transfer(sc->sc_oxfer[serial]); + err = usbd_transfer(sc->sc_port[serial].p_oxfer); if (err != USBD_IN_PROGRESS) printf("ubserstart: err=%s\n", usbd_errstr(err)); @@ -634,7 +592,7 @@ ubserstop(struct tty *tp, int flag) struct ubser_softc *sc; int s; - USB_GET_SC(ubser, dev2unit(tp->t_dev) / 8, sc); + sc = tp->t_sc; DPRINTF(("ubserstop: %d\n", flag)); @@ -657,11 +615,13 @@ ubserwritecb(usbd_xfer_handle xfer, usbd_private_handle p, usbd_status status) { struct tty *tp; struct ubser_softc *sc; + struct ubser_port *pp; u_int32_t cc; int s; tp = (struct tty *)p; - USB_GET_SC(ubser, dev2unit(tp->t_dev) / 8, sc); + pp = tp->t_sc; + sc = pp->p_sc; DPRINTF(("ubserwritecb: status = %d\n", status)); @@ -769,7 +729,7 @@ ubserreadcb(usbd_xfer_handle xfer, usbd_private_handle p, usbd_status status) if (cc < 1) goto resubmit; DPRINTF(("ubserreadcb: got %d chars for serial %d\n", cc - 1, *cp)); - tp = sc->dev[*cp]->si_tty; + tp = sc->sc_port[*cp].p_tty; cp++; cc--; @@ -827,6 +787,7 @@ Static void ubser_cleanup(struct ubser_softc *sc) { int i; + struct ubser_port *pp; DPRINTF(("ubser_cleanup: closing pipes\n")); @@ -845,199 +806,67 @@ ubser_cleanup(struct ubser_softc *sc) sc->sc_ixfer = NULL; } for (i = 0; i < sc->sc_numser; i++) { - if (sc->sc_oxfer[i] != NULL) { - usbd_free_xfer(sc->sc_oxfer[i]); - sc->sc_oxfer[i] = NULL; + pp = &sc->sc_port[i]; + if (pp->p_oxfer != NULL) { + usbd_free_xfer(pp->p_oxfer); + pp->p_oxfer = NULL; } } } static int -ubser_open(struct cdev *dev, int flag, int mode, usb_proc_ptr p) +ubseropen(struct tty *tp, struct cdev *dev) { struct ubser_softc *sc; - struct tty *tp; - int s; - int error; - - USB_GET_SC(ubser, dev2unit(dev) / 8, sc); - - if (sc->sc_dying) - return (ENXIO); - - tp = sc->dev[dev2unit(dev) & 0x07]->si_tty; + struct ubser_port *pp; - DPRINTF(("%s: ubser_open: tp = %p\n", USBDEVNAME(sc->sc_dev), tp)); - - if (ISSET(tp->t_state, TS_ISOPEN) && - ISSET(tp->t_state, TS_XCLUDE) && - suser(p)) - return (EBUSY); - - /* - * Do the following if this is a first open. - */ - s = spltty(); - while (sc->sc_opening) - tsleep(&sc->sc_opening, PRIBIO, "ubser_op", 0); - sc->sc_opening = 1; - - if (!ISSET(tp->t_state, TS_ISOPEN)) { - tp->t_dev = dev; - - /* - * Initialize the termios status to the defaults. Add in the - * sticky bits from TIOCSFLAGS. - */ - tp->t_iflag = TTYDEF_IFLAG; - tp->t_oflag = TTYDEF_OFLAG; - tp->t_lflag = TTYDEF_LFLAG; - ttychars(tp); - ttsetwater(tp); - - /* - * Handle initial DCD. - */ - ttyld_modem(tp, 1); - } + pp = tp->t_sc; + sc = pp->p_sc; sc->sc_refcnt++; /* XXX: wrong refcnt on error later on */ - sc->sc_opening = 0; - wakeup(&sc->sc_opening); - splx(s); - - error = tty_open(dev, tp); - if (error) - goto bad; - - error = ttyld_open(tp, dev); - if (error) - goto bad; - - DPRINTF(("%s: ubser_open: success\n", USBDEVNAME(sc->sc_dev))); - return (0); - - sc->sc_opening = 0; - wakeup(&sc->sc_opening); - splx(s); - return (error); - -bad: - DPRINTF(("%s: ubser_open: failed\n", USBDEVNAME(sc->sc_dev))); - return (error); } -static int -ubser_close(struct cdev *dev, int flag, int mode, usb_proc_ptr p) +static void +ubserclose(struct tty *tp) { struct ubser_softc *sc; - struct tty *tp; + struct ubser_port *pp; - USB_GET_SC(ubser, dev2unit(dev) / 8, sc); - tp = sc->dev[dev2unit(dev) & 0x07]->si_tty; - DPRINTF(("%s: ubserclose\n", - USBDEVNAME(sc->sc_dev))); - - if (!ISSET(tp->t_state, TS_ISOPEN)) - goto quit; - - if (sc->sc_dying) - goto quit; - -quit: + pp = tp->t_sc; + sc = pp->p_sc; if (--sc->sc_refcnt < 0) usb_detach_wakeup(USBDEV(sc->sc_dev)); - return (0); } -static int -ubser_ioctl(struct cdev *dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) +static void +ubserbreak(struct tty *tp, int sig) { usb_device_request_t req; struct ubser_softc *sc; - struct tty *tp; + struct ubser_port *pp; int error; - int s; int alen; - USB_GET_SC(ubser, dev2unit(dev) / 8, sc); - tp = sc->dev[dev2unit(dev) & 0x07]->si_tty; - - DPRINTF(("ubser_ioctl: cmd = 0x%08lx\n", cmd)); - - if (sc->sc_dying) - return (EIO); - - error = ttyioctl(dev, cmd, data, flag, p); - if (error != ENOTTY) { - DPRINTF(("ubser_ioctl: l_ioctl: error = %d\n", error)); - return (error); - } - - error = 0; - - s = spltty(); - switch (cmd) { - case TIOCSBRK: /* clearing break condition is done in firmware */ - DPRINTF(("ubser_ioctl: TIOCSBRK\n")); + pp = tp->t_sc; + sc = pp->p_sc; + if (sig) { + DPRINTF(("ubser_break: TIOCSBRK\n")); req.bmRequestType = UT_READ_VENDOR_INTERFACE; req.bRequest = VENDOR_SET_BREAK; - USETW(req.wValue, dev2unit(dev) & 0x07); + USETW(req.wValue, pp->p_port); USETW(req.wIndex, sc->sc_ifaceno); USETW(req.wLength, 0); error = usbd_do_request_flags(sc->sc_udev, &req, &sc->sc_numser, USBD_SHORT_XFER_OK, &alen, USBD_DEFAULT_TIMEOUT); - break; - /* XXX: something else to handle? */ } - splx(s); - - return (error); -} - -static int -ubser_read(struct cdev *dev, struct uio *uio, int flag) -{ - struct ubser_softc *sc; - struct tty *tp; - int error; - - USB_GET_SC(ubser, dev2unit(dev) / 8, sc); - tp = sc->dev[dev2unit(dev) & 0x07]->si_tty; - - DPRINTF(("ubser_read: tp = %p, flag = 0x%x\n", tp, flag)); - - if (sc->sc_dying) - return (EIO); - - error = ttyld_read(tp, uio, flag); - - DPRINTF(("ubser_read: error = %d\n", error)); - - return (error); } static int -ubser_write(struct cdev *dev, struct uio *uio, int flag) +ubsermodem(struct tty *tp, int sigon, int sigoff) { - struct ubser_softc *sc; - struct tty *tp; - int error; - - USB_GET_SC(ubser, dev2unit(dev) / 8, sc); - tp = sc->dev[dev2unit(dev) & 0x07]->si_tty; - - DPRINTF(("ubser_write: tp = %p, flag = 0x%x\n", tp, flag)); - - if (sc->sc_dying) - return (EIO); - - error = ttyld_write(tp, uio, flag); - - DPRINTF(("ubser_write: error = %d\n", error)); - return (error); + return (SER_DTR | SER_RTS | SER_DCD); } DRIVER_MODULE(ubser, uhub, ubser_driver, ubser_devclass, usbd_driver_load, 0); |