diff options
Diffstat (limited to 'sys')
-rw-r--r-- | sys/dev/usb/files.usb | 7 | ||||
-rw-r--r-- | sys/dev/usb/ucycom.c | 611 |
2 files changed, 617 insertions, 1 deletions
diff --git a/sys/dev/usb/files.usb b/sys/dev/usb/files.usb index 6a17ab1e6a5..d522f7e92d9 100644 --- a/sys/dev/usb/files.usb +++ b/sys/dev/usb/files.usb @@ -1,4 +1,4 @@ -# $OpenBSD: files.usb,v 1.61 2006/08/14 08:30:22 jsg Exp $ +# $OpenBSD: files.usb,v 1.62 2006/08/15 16:41:02 jason Exp $ # $NetBSD: files.usb,v 1.16 2000/02/14 20:29:54 augustss Exp $ # # Config file and device description for machine-independent USB code. @@ -81,6 +81,11 @@ device ums: hid, wsmousedev attach ums at uhidbus file dev/usb/ums.c ums +# Cypress microcontroller based serial adpaters +device ucycom: hid, ucombus +attach ucycom at uhidbus +file dev/usb/ucycom.c ucycom needs-flag + # Printers device ulpt attach ulpt at uhub diff --git a/sys/dev/usb/ucycom.c b/sys/dev/usb/ucycom.c new file mode 100644 index 00000000000..0c81630fe7c --- /dev/null +++ b/sys/dev/usb/ucycom.c @@ -0,0 +1,611 @@ +/* $OpenBSD: ucycom.c,v 1.1 2006/08/15 16:41:02 jason Exp $ */ +/* $NetBSD: ucycom.c,v 1.3 2005/08/05 07:27:47 skrll Exp $ */ + +/* + * Copyright (c) 2005 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Nick Hudson + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +/* + * This code is based on the ucom driver. + */ + +/* + * Device driver for Cypress CY7C637xx and CY7C640/1xx series USB to + * RS232 bridges. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/device.h> +#include <sys/sysctl.h> +#include <sys/tty.h> +#include <sys/file.h> +#include <sys/vnode.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbhid.h> + +#include <dev/usb/usbdi.h> +#include <dev/usb/usbdi_util.h> +#include <dev/usb/usbdevs.h> +#include <dev/usb/uhidev.h> +#include <dev/usb/hid.h> + +#include <dev/usb/ucomvar.h> + +#define UCYCOM_DEBUG +#ifdef UCYCOM_DEBUG +#define DPRINTF(x) if (ucycomdebug) logprintf x +#define DPRINTFN(n, x) if (ucycomdebug > (n)) logprintf x +int ucycomdebug = 200; +#else +#define DPRINTF(x) +#define DPRINTFN(n,x) +#endif + +/* Configuration Byte */ +#define UCYCOM_RESET 0x80 +#define UCYCOM_PARITY_TYPE_MASK 0x20 +#define UCYCOM_PARITY_ODD 0x20 +#define UCYCOM_PARITY_EVEN 0x00 +#define UCYCOM_PARITY_MASK 0x10 +#define UCYCOM_PARITY_ON 0x10 +#define UCYCOM_PARITY_OFF 0x00 +#define UCYCOM_STOP_MASK 0x08 +#define UCYCOM_STOP_BITS_2 0x08 +#define UCYCOM_STOP_BITS_1 0x00 +#define UCYCOM_DATA_MASK 0x03 +#define UCYCOM_DATA_BITS_8 0x03 +#define UCYCOM_DATA_BITS_7 0x02 +#define UCYCOM_DATA_BITS_6 0x01 +#define UCYCOM_DATA_BITS_5 0x00 + +/* Modem (Input) status byte */ +#define UCYCOM_RI 0x80 +#define UCYCOM_DCD 0x40 +#define UCYCOM_DSR 0x20 +#define UCYCOM_CTS 0x10 +#define UCYCOM_ERROR 0x08 +#define UCYCOM_LMASK 0x07 + +/* Modem (Output) control byte */ +#define UCYCOM_DTR 0x20 +#define UCYCOM_RTS 0x10 +#define UCYCOM_ORESET 0x08 + +struct ucycom_softc { + struct uhidev sc_hdev; + usbd_device_handle sc_udev; + + /* uhidev parameters */ + size_t sc_flen; /* feature report length */ + size_t sc_ilen; /* input report length */ + size_t sc_olen; /* output report length */ + + uint8_t *sc_obuf; + + uint8_t *sc_ibuf; + uint32_t sc_icnt; + + /* settings */ + uint32_t sc_baud; + uint8_t sc_cfg; /* Data format */ + uint8_t sc_mcr; /* Modem control */ + uint8_t sc_msr; /* Modem status */ + uint8_t sc_newmsr; /* from HID intr */ + int sc_swflags; + + device_ptr_t sc_subdev; + + /* flags */ + u_char sc_dying; +}; + +/* Callback routines */ +Static void ucycom_set(void *, int, int, int); +Static int ucycom_param(void *, int, struct termios *); +Static void ucycom_get_status(void *, int, u_char *, u_char *); +Static int ucycom_open(void *, int); +Static void ucycom_close(void *, int); +Static void ucycom_write(void *, int, u_char *, u_char *, u_int32_t *); +Static void ucycom_read(void *, int, u_char **, u_int32_t *); + +struct ucom_methods ucycom_methods = { + NULL, /* ucycom_get_status, */ + ucycom_set, + ucycom_param, + NULL, + ucycom_open, + ucycom_close, + ucycom_read, + ucycom_write, +}; + +Static void ucycom_intr(struct uhidev *, void *, u_int); + +#ifdef UCYCOM_DEBUG +Static void ucycom_get_cfg(struct ucycom_softc *); +#endif + +Static const struct usb_devno ucycom_devs[] = { + { USB_VENDOR_CYPRESS, USB_PRODUCT_CYPRESS_USBRS232 }, + { USB_VENDOR_DELORME, USB_PRODUCT_DELORME_EMUSB }, + { USB_VENDOR_DELORME, USB_PRODUCT_DELORME_EMLT20 }, +}; +#define ucycom_lookup(v, p) usb_lookup(ucycom_devs, v, p) + +USB_DECLARE_DRIVER(ucycom); + +USB_MATCH(ucycom) +{ + struct uhidev_attach_arg *uha = aux; + + DPRINTF(("ucycom match\n")); + return (ucycom_lookup(uha->uaa->vendor, uha->uaa->product) != NULL ? + UMATCH_VENDOR_PRODUCT : UMATCH_NONE); +} + +USB_ATTACH(ucycom) +{ + USB_ATTACH_START(ucycom, sc, uaa); + usbd_device_handle dev = uaa->device; + struct uhidev_attach_arg *uha = aux; + struct ucom_attach_args uca; + int size, repid, err; + void *desc; + + sc->sc_hdev.sc_intr = ucycom_intr; + sc->sc_hdev.sc_parent = uha->parent; + sc->sc_hdev.sc_report_id = uha->reportid; + + uhidev_get_report_desc(uha->parent, &desc, &size); + repid = uha->reportid; + sc->sc_ilen = hid_report_size(desc, size, hid_input, repid); + sc->sc_olen = hid_report_size(desc, size, hid_output, repid); + sc->sc_flen = hid_report_size(desc, size, hid_feature, repid); + + DPRINTF(("ucycom_open: olen %d ilen %d flen %d\n", sc->sc_ilen, + sc->sc_olen, sc->sc_flen)); + + printf("\n"); + + sc->sc_udev = dev; + + sc->sc_msr = sc->sc_mcr = 0; + + err = uhidev_open(&sc->sc_hdev); + if (err) { + DPRINTF(("ucycom_open: uhidev_open %d\n", err)); + return; + } + + DPRINTF(("ucycom attach: sc %p opipe %p ipipe %p report_id %d\n", + sc, sc->sc_hdev.sc_parent->sc_opipe, sc->sc_hdev.sc_parent->sc_ipipe, + uha->reportid)); + + /* bulkin, bulkout set above */ + bzero(&uca, sizeof uca); + uca.bulkin = uca.bulkout = -1; + uca.uhidev = sc->sc_hdev.sc_parent; + uca.ibufsize = sc->sc_ilen - 1; + uca.obufsize = sc->sc_olen - 1; + uca.ibufsizepad = 1; + uca.opkthdrlen = 0; + uca.device = uaa->device; + uca.iface = uaa->iface; + uca.methods = &ucycom_methods; + uca.arg = sc; + uca.info = NULL; + + usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, + USBDEV(sc->sc_hdev.sc_dev)); + + sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch); + DPRINTF(("ucycom_attach: complete %p\n", sc->sc_subdev)); + + USB_ATTACH_SUCCESS_RETURN; +} + +void +ucycom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) +{ + struct ucycom_softc *sc = addr; + + DPRINTF(("ucycom_get_status:\n")); + +#if 0 + if (lsr != NULL) + *lsr = sc->sc_lsr; +#endif + if (msr != NULL) + *msr = sc->sc_msr; +} + +int +ucycom_open(void *addr, int portno) +{ + struct ucycom_softc *sc = addr; + struct termios t; + int err; + + DPRINTF(("ucycom_open: complete\n")); + + if (sc->sc_dying) + return (EIO); + + /* Allocate an output report buffer */ + sc->sc_obuf = malloc(sc->sc_olen, M_USBDEV, M_WAITOK); + + /* Allocate an input report buffer */ + sc->sc_ibuf = malloc(sc->sc_ilen, M_USBDEV, M_WAITOK); + + DPRINTF(("ucycom_open: sc->sc_ibuf=%p sc->sc_obuf=%p \n", + sc->sc_ibuf, sc->sc_obuf)); + + t.c_ospeed = 9600; + t.c_cflag = CSTOPB | CS8; + (void)ucycom_param(sc, portno, &t); + + sc->sc_mcr = UCYCOM_DTR | UCYCOM_RTS; + memset(sc->sc_obuf, 0, sc->sc_olen); + sc->sc_obuf[0] = sc->sc_mcr; + err = uhidev_write(sc->sc_hdev.sc_parent, sc->sc_obuf, sc->sc_olen); + if (err) { + DPRINTF(("ucycom_open: set RTS err=%d\n", err)); + return (EIO); + } + + return (0); +} + +void +ucycom_close(void *addr, int portno) +{ + struct ucycom_softc *sc = addr; + + if (sc->sc_dying) + return; + + printf("UHIDEV_CLOSE\n"); +// uhidev_close(&sc->sc_hdev); + if (sc->sc_obuf !=NULL) { + free(sc->sc_obuf, M_USBDEV); + sc->sc_obuf = NULL; + } + if (sc->sc_ibuf !=NULL) { + free(sc->sc_ibuf, M_USBDEV); + sc->sc_ibuf = NULL; + } +} + +Static void +ucycom_read(void *addr, int portno, u_char **ptr, u_int32_t *count) +{ + struct ucycom_softc *sc = addr; + + if (sc->sc_newmsr ^ sc->sc_msr) { + DPRINTF(("ucycom_read: msr %d new %d\n", + sc->sc_msr, sc->sc_newmsr)); + sc->sc_msr = sc->sc_newmsr; + ucom_status_change((struct ucom_softc *)sc->sc_subdev); + } + + DPRINTF(("ucycom_read: buf %p chars %d\n", sc->sc_ibuf, sc->sc_icnt)); + *ptr = sc->sc_ibuf; + *count = sc->sc_icnt; +} + +Static void +ucycom_write(void *addr, int portno, u_char *to, u_char *data, u_int32_t *cnt) +{ + struct ucycom_softc *sc = addr; + u_int32_t len; +#ifdef UCYCOM_DEBUG + u_int32_t want = *cnt; +#endif + + /* + * The 8 byte output report uses byte 0 for control and byte + * count. + * + * The 32 byte output report uses byte 0 for control. Byte 1 + * is used for byte count. + */ + len = sc->sc_olen; + memset(to, 0, len); + switch (sc->sc_olen) { + case 8: + to[0] = *cnt | sc->sc_mcr; + memcpy(&to[1], data, *cnt); + DPRINTF(("ucycomstart(8): to[0] = %d | %d = %d\n", + *cnt, sc->sc_mcr, to[0])); + break; + + case 32: + to[0] = sc->sc_mcr; + to[1] = *cnt; + memcpy(&to[2], data, *cnt); + DPRINTF(("ucycomstart(32): to[0] = %d\nto[1] = %d\n", + to[0], to[1])); + break; + } + +#ifdef UCYCOM_DEBUG + if (ucycomdebug > 5) { + int i; + + if (len != 0) { + DPRINTF(("ucycomstart: to[0..%d) =", len-1)); + for (i = 0; i < len; i++) + DPRINTF((" %02x", to[i])); + DPRINTF(("\n")); + } + } +#endif + *cnt = len; + +#if 0 + ucycom_get_cfg(sc); +#endif + DPRINTFN(4,("ucycomstart: req %d chars did %d chars\n", want, len)); +} + +Static int +ucycom_param(void *addr, int portno, struct termios *t) +{ + struct ucycom_softc *sc = addr; + uint8_t report[5]; + uint32_t baud = 0; + uint8_t cfg; + int err; + + if (sc->sc_dying) + return (EIO); + + switch (t->c_ospeed) { + case 600: + case 1200: + case 2400: + case 4800: + case 9600: + case 19200: + case 38400: + case 57600: +#if 0 + /* + * Stock chips only support standard baud rates in the 600 - 57600 + * range, but higher rates can be achieved using custom firmware. + */ + case 115200: + case 153600: + case 192000: +#endif + baud = t->c_ospeed; + break; + default: + return (EINVAL); + } + + if (t->c_cflag & CIGNORE) { + cfg = sc->sc_cfg; + } else { + cfg = 0; + switch (t->c_cflag & CSIZE) { + case CS8: + cfg |= UCYCOM_DATA_BITS_8; + break; + case CS7: + cfg |= UCYCOM_DATA_BITS_7; + break; + case CS6: + cfg |= UCYCOM_DATA_BITS_6; + break; + case CS5: + cfg |= UCYCOM_DATA_BITS_5; + break; + default: + return (EINVAL); + } + cfg |= ISSET(t->c_cflag, CSTOPB) ? + UCYCOM_STOP_BITS_2 : UCYCOM_STOP_BITS_1; + cfg |= ISSET(t->c_cflag, PARENB) ? + UCYCOM_PARITY_ON : UCYCOM_PARITY_OFF; + cfg |= ISSET(t->c_cflag, PARODD) ? + UCYCOM_PARITY_ODD : UCYCOM_PARITY_EVEN; + } + + DPRINTF(("ucycom_param: setting %d baud, %d-%c-%d (%d)\n", baud, + 5 + (cfg & UCYCOM_DATA_MASK), + (cfg & UCYCOM_PARITY_MASK) ? + ((cfg & UCYCOM_PARITY_TYPE_MASK) ? 'O' : 'E') : 'N', + (cfg & UCYCOM_STOP_MASK) ? 2 : 1, cfg)); + + report[0] = baud & 0xff; + report[1] = (baud >> 8) & 0xff; + report[2] = (baud >> 16) & 0xff; + report[3] = (baud >> 24) & 0xff; + report[4] = cfg; + err = uhidev_set_report(&sc->sc_hdev, UHID_FEATURE_REPORT, + report, sc->sc_flen); + if (err != 0) { + DPRINTF(("ucycom_param: uhidev_set_report %d %s\n", + err, usbd_errstr(err))); + return EIO; + } + sc->sc_baud = baud; + return (err); +} + +Static void +ucycom_intr(struct uhidev *addr, void *ibuf, u_int len) +{ + extern void ucomreadcb(usbd_xfer_handle, usbd_private_handle, usbd_status); + struct ucycom_softc *sc = (struct ucycom_softc *)addr; + uint8_t *cp = ibuf; + int n, st, s; + + printf("ucycom_intr: %p %p %d\n", addr, ibuf, len); + + /* not accepting data anymore.. */ + if (sc->sc_ibuf == NULL) + return; + + /* We understand 8 byte and 32 byte input records */ + switch (len) { + case 8: + n = cp[0] & UCYCOM_LMASK; + st = cp[0] & ~UCYCOM_LMASK; + cp++; + break; + + case 32: + st = cp[0]; + n = cp[1]; + cp += 2; + break; + + default: + DPRINTFN(3,("ucycom_intr: Unknown input report length\n")); + return; + } + +#ifdef UCYCOM_DEBUG + if (ucycomdebug > 5) { + u_int32_t i; + + if (n != 0) { + DPRINTF(("ucycom_intr: ibuf[0..%d) =", n)); + for (i = 0; i < n; i++) + DPRINTF((" %02x", cp[i])); + DPRINTF(("\n")); + } + } +#endif + + if (n > 0 || st != sc->sc_msr) { + s = spltty(); + sc->sc_newmsr = st; + bcopy(cp, sc->sc_ibuf, n); + sc->sc_icnt = n; + ucomreadcb(addr->sc_parent->sc_ixfer, sc->sc_subdev, + USBD_NORMAL_COMPLETION); + splx(s); + } +} + +Static void +ucycom_set(void *addr, int portno, int reg, int onoff) +{ + struct ucycom_softc *sc = addr; + int err; + + switch (reg) { + case UCOM_SET_DTR: + if (onoff) + SET(sc->sc_mcr, UCYCOM_DTR); + else + CLR(sc->sc_mcr, UCYCOM_DTR); + break; + case UCOM_SET_RTS: + if (onoff) + SET(sc->sc_mcr, UCYCOM_RTS); + else + CLR(sc->sc_mcr, UCYCOM_RTS); + break; + case UCOM_SET_BREAK: + break; + } + + memset(sc->sc_obuf, 0, sc->sc_olen); + sc->sc_obuf[0] = sc->sc_mcr; + + err = uhidev_write(sc->sc_hdev.sc_parent, sc->sc_obuf, sc->sc_olen); + if (err) + DPRINTF(("ucycom_set_status: err=%d\n", err)); +} + +Static void +ucycom_get_cfg(struct ucycom_softc *sc) +{ + int err, cfg, baud; + uint8_t report[5]; + + err = uhidev_get_report(&sc->sc_hdev, UHID_FEATURE_REPORT, + report, sc->sc_flen); + cfg = report[4]; + baud = (report[3] << 24) + (report[2] << 16) + (report[1] << 8) + report[0]; + DPRINTF(("ucycom_configure: device reports %d baud, %d-%c-%d (%d)\n", baud, + 5 + (cfg & UCYCOM_DATA_MASK), + (cfg & UCYCOM_PARITY_MASK) ? + ((cfg & UCYCOM_PARITY_TYPE_MASK) ? 'O' : 'E') : 'N', + (cfg & UCYCOM_STOP_MASK) ? 2 : 1, cfg)); +} + +int +ucycom_detach(struct device *self, int flags) +{ + struct ucycom_softc *sc = (struct ucycom_softc *)self; + + DPRINTF(("ucycom_detach: sc=%p flags=%d\n", sc, flags)); + sc->sc_dying = 1; + if (sc->sc_subdev != NULL) { + config_detach(sc->sc_subdev, flags); + sc->sc_subdev = NULL; + } + return (0); +} + +int +ucycom_activate(device_ptr_t self, enum devact act) +{ + struct ucycom_softc *sc = (struct ucycom_softc *)self; + int rv = 0; + + DPRINTFN(5,("ucycom_activate: %d\n", act)); + + switch (act) { + case DVACT_ACTIVATE: + break; + + case DVACT_DEACTIVATE: + if (sc->sc_subdev != NULL) + rv = config_deactivate(sc->sc_subdev); + sc->sc_dying = 1; + break; + } + return (rv); +} |