diff options
Diffstat (limited to 'sys/legacy/dev/usb/uslcom.c')
-rw-r--r-- | sys/legacy/dev/usb/uslcom.c | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/uslcom.c b/sys/legacy/dev/usb/uslcom.c new file mode 100644 index 0000000..edb13c5 --- /dev/null +++ b/sys/legacy/dev/usb/uslcom.c @@ -0,0 +1,419 @@ +/* $FreeBSD$ */ +/* $OpenBSD: uslcom.c,v 1.17 2007/11/24 10:52:12 jsg Exp $ */ + +/* + * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/conf.h> +#include <sys/bus.h> +#include <sys/tty.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbcdc.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbdi.h> +#include <dev/usb/usbdi_util.h> + +#include "usbdevs.h" +#include <dev/usb/ucomvar.h> + +#ifdef USLCOM_DEBUG +#define DPRINTFN(n, x) do { if (uslcomdebug > (n)) printf x; } while (0) +int uslcomdebug = 1; +#else +#define DPRINTFN(n, x) +#endif +#define DPRINTF(x) DPRINTFN(0, x) + +#define USLCOMBUFSZ 256 +#define USLCOM_CONFIG_NO 0 +#define USLCOM_IFACE_NO 0 + +#define USLCOM_SET_DATA_BITS(x) (x << 8) + +#define USLCOM_WRITE 0x41 +#define USLCOM_READ 0xc1 + +#define USLCOM_UART 0x00 +#define USLCOM_BAUD_RATE 0x01 +#define USLCOM_DATA 0x03 +#define USLCOM_BREAK 0x05 +#define USLCOM_CTRL 0x07 + +#define USLCOM_UART_DISABLE 0x00 +#define USLCOM_UART_ENABLE 0x01 + +#define USLCOM_CTRL_DTR_ON 0x0001 +#define USLCOM_CTRL_DTR_SET 0x0100 +#define USLCOM_CTRL_RTS_ON 0x0002 +#define USLCOM_CTRL_RTS_SET 0x0200 +#define USLCOM_CTRL_CTS 0x0010 +#define USLCOM_CTRL_DSR 0x0020 +#define USLCOM_CTRL_DCD 0x0080 + + +#define USLCOM_BAUD_REF 0x384000 + +#define USLCOM_STOP_BITS_1 0x00 +#define USLCOM_STOP_BITS_2 0x02 + +#define USLCOM_PARITY_NONE 0x00 +#define USLCOM_PARITY_ODD 0x10 +#define USLCOM_PARITY_EVEN 0x20 + +#define USLCOM_BREAK_OFF 0x00 +#define USLCOM_BREAK_ON 0x01 + + +struct uslcom_softc { + struct ucom_softc sc_ucom; + device_t sc_dev; + usbd_device_handle sc_udev; + + u_char sc_msr; + u_char sc_lsr; + + u_char sc_dying; +}; + +void uslcom_get_status(void *, int portno, u_char *lsr, u_char *msr); +void uslcom_set(void *, int, int, int); +int uslcom_param(void *, int, struct termios *); +int uslcom_open(void *sc, int portno); +void uslcom_close(void *, int); +void uslcom_break(void *sc, int portno, int onoff); + +struct ucom_callback uslcom_callback = { + uslcom_get_status, + uslcom_set, + uslcom_param, + NULL, + uslcom_open, + uslcom_close, + NULL, + NULL, +}; + +static const struct usb_devno uslcom_devs[] = { + { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER }, + { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD }, + { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREE }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BURNSIDE }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_HELICOM }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP2102 }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUUNTO }, + { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRAQMATE }, + { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE }, + { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 } +}; + +static device_probe_t uslcom_match; +static device_attach_t uslcom_attach; +static device_detach_t uslcom_detach; + +static device_method_t uslcom_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uslcom_match), + DEVMETHOD(device_attach, uslcom_attach), + DEVMETHOD(device_detach, uslcom_detach), + { 0, 0 } +}; + +static driver_t uslcom_driver = { + "ucom", + uslcom_methods, + sizeof (struct uslcom_softc) +}; + +DRIVER_MODULE(uslcom, uhub, uslcom_driver, ucom_devclass, usbd_driver_load, 0); +MODULE_DEPEND(uslcom, usb, 1, 1, 1); +MODULE_DEPEND(uslcom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER); +MODULE_VERSION(uslcom, 1); + +static int +uslcom_match(device_t self) +{ + struct usb_attach_arg *uaa = device_get_ivars(self); + + if (uaa->iface != NULL) + return UMATCH_NONE; + + return (usb_lookup(uslcom_devs, uaa->vendor, uaa->product) != NULL) ? + UMATCH_VENDOR_PRODUCT : UMATCH_NONE; +} + +static int +uslcom_attach(device_t self) +{ + struct uslcom_softc *sc = device_get_softc(self); + struct usb_attach_arg *uaa = device_get_ivars(self); + usbd_device_handle dev = uaa->device; + struct ucom_softc* ucom; + usb_interface_descriptor_t *id; + usb_endpoint_descriptor_t *ed; + usbd_status error; + int i; + + ucom = &sc->sc_ucom; + ucom->sc_dev = self; + ucom->sc_udev = dev; + ucom->sc_iface = uaa->iface; + + sc->sc_dev = self; + sc->sc_udev = uaa->device; + + if (usbd_set_config_index(sc->sc_udev, USLCOM_CONFIG_NO, 1) != 0) { + device_printf(self, "could not set configuration no\n"); + sc->sc_dying = 1; + return ENXIO; + } + + /* get the first interface handle */ + error = usbd_device2interface_handle(sc->sc_udev, USLCOM_IFACE_NO, + &ucom->sc_iface); + if (error != 0) { + device_printf(self, "could not get interface handle\n"); + sc->sc_dying = 1; + return ENXIO; + } + + id = usbd_get_interface_descriptor(ucom->sc_iface); + + ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1; + for (i = 0; i < id->bNumEndpoints; i++) { + ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i); + if (ed == NULL) { + device_printf(self, "no endpoint descriptor found for %d\n", + i); + sc->sc_dying = 1; + return ENXIO; + } + + if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) + ucom->sc_bulkin_no = ed->bEndpointAddress; + else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) + ucom->sc_bulkout_no = ed->bEndpointAddress; + } + + if (ucom->sc_bulkin_no == -1 || ucom->sc_bulkout_no == -1) { + device_printf(self, "missing endpoint\n"); + sc->sc_dying = 1; + return ENXIO; + } + + ucom->sc_parent = sc; + ucom->sc_portno = UCOM_UNK_PORTNO; + /* bulkin, bulkout set above */ + ucom->sc_ibufsize = USLCOMBUFSZ; + ucom->sc_obufsize = USLCOMBUFSZ; + ucom->sc_ibufsizepad = USLCOMBUFSZ; + ucom->sc_opkthdrlen = 0; + ucom->sc_callback = &uslcom_callback; + + DPRINTF(("uslcom: in = 0x%x, out = 0x%x\n", + ucom->sc_bulkin_no, ucom->sc_bulkout_no)); + + ucom_attach(&sc->sc_ucom); + return 0; +} + +static int +uslcom_detach(device_t self) +{ + struct uslcom_softc *sc = device_get_softc(self); + + sc->sc_dying = 1; + return ucom_detach(&sc->sc_ucom); +} + +int +uslcom_open(void *vsc, int portno) +{ + struct uslcom_softc *sc = vsc; + usb_device_request_t req; + usbd_status err; + + if (sc->sc_dying) + return (EIO); + + req.bmRequestType = USLCOM_WRITE; + req.bRequest = USLCOM_UART; + USETW(req.wValue, USLCOM_UART_ENABLE); + USETW(req.wIndex, portno); + USETW(req.wLength, 0); + err = usbd_do_request(sc->sc_udev, &req, NULL); + if (err) + return (EIO); + + return (0); +} + +void +uslcom_close(void *vsc, int portno) +{ + struct uslcom_softc *sc = vsc; + usb_device_request_t req; + + if (sc->sc_dying) + return; + + req.bmRequestType = USLCOM_WRITE; + req.bRequest = USLCOM_UART; + USETW(req.wValue, USLCOM_UART_DISABLE); + USETW(req.wIndex, portno); + USETW(req.wLength, 0); + usbd_do_request(sc->sc_udev, &req, NULL); +} + +void +uslcom_set(void *vsc, int portno, int reg, int onoff) +{ + struct uslcom_softc *sc = vsc; + usb_device_request_t req; + int ctl; + + switch (reg) { + case UCOM_SET_DTR: + ctl = onoff ? USLCOM_CTRL_DTR_ON : 0; + ctl |= USLCOM_CTRL_DTR_SET; + break; + case UCOM_SET_RTS: + ctl = onoff ? USLCOM_CTRL_RTS_ON : 0; + ctl |= USLCOM_CTRL_RTS_SET; + break; + case UCOM_SET_BREAK: + uslcom_break(sc, portno, onoff); + return; + default: + return; + } + req.bmRequestType = USLCOM_WRITE; + req.bRequest = USLCOM_CTRL; + USETW(req.wValue, ctl); + USETW(req.wIndex, portno); + USETW(req.wLength, 0); + usbd_do_request(sc->sc_udev, &req, NULL); +} + +int +uslcom_param(void *vsc, int portno, struct termios *t) +{ + struct uslcom_softc *sc = (struct uslcom_softc *)vsc; + usbd_status err; + usb_device_request_t req; + int data; + + if (t->c_ospeed <= 0 || t->c_ospeed > 921600) + return (EINVAL); + + req.bmRequestType = USLCOM_WRITE; + req.bRequest = USLCOM_BAUD_RATE; + USETW(req.wValue, USLCOM_BAUD_REF / t->c_ospeed); + USETW(req.wIndex, portno); + USETW(req.wLength, 0); + err = usbd_do_request(sc->sc_udev, &req, NULL); + if (err) + return (EIO); + + if (ISSET(t->c_cflag, CSTOPB)) + data = USLCOM_STOP_BITS_2; + else + data = USLCOM_STOP_BITS_1; + if (ISSET(t->c_cflag, PARENB)) { + if (ISSET(t->c_cflag, PARODD)) + data |= USLCOM_PARITY_ODD; + else + data |= USLCOM_PARITY_EVEN; + } else + data |= USLCOM_PARITY_NONE; + switch (ISSET(t->c_cflag, CSIZE)) { + case CS5: + data |= USLCOM_SET_DATA_BITS(5); + break; + case CS6: + data |= USLCOM_SET_DATA_BITS(6); + break; + case CS7: + data |= USLCOM_SET_DATA_BITS(7); + break; + case CS8: + data |= USLCOM_SET_DATA_BITS(8); + break; + } + + req.bmRequestType = USLCOM_WRITE; + req.bRequest = USLCOM_DATA; + USETW(req.wValue, data); + USETW(req.wIndex, portno); + USETW(req.wLength, 0); + err = usbd_do_request(sc->sc_udev, &req, NULL); + if (err) + return (EIO); + +#if 0 + /* XXX flow control */ + if (ISSET(t->c_cflag, CRTSCTS)) + /* rts/cts flow ctl */ + } else if (ISSET(t->c_iflag, IXON|IXOFF)) { + /* xon/xoff flow ctl */ + } else { + /* disable flow ctl */ + } +#endif + + return (0); +} + +void +uslcom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr) +{ + struct uslcom_softc *sc = vsc; + + if (msr != NULL) + *msr = sc->sc_msr; + if (lsr != NULL) + *lsr = sc->sc_lsr; +} + +void +uslcom_break(void *vsc, int portno, int onoff) +{ + struct uslcom_softc *sc = vsc; + usb_device_request_t req; + int brk = onoff ? USLCOM_BREAK_ON : USLCOM_BREAK_OFF; + + req.bmRequestType = USLCOM_WRITE; + req.bRequest = USLCOM_BREAK; + USETW(req.wValue, brk); + USETW(req.wIndex, portno); + USETW(req.wLength, 0); + usbd_do_request(sc->sc_udev, &req, NULL); +} |