854 lines
20 KiB
C
854 lines
20 KiB
C
/* $NetBSD: uvscom.c,v 1.40 2022/11/01 19:24:31 andvar Exp $ */
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/*-
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* Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $
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*/
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/*
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* uvscom: SUNTAC Slipper U VS-10U driver.
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* Slipper U is a PC card to USB converter for data communication card
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* adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
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* P-in m@ater and various data communication card adapters.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.40 2022/11/01 19:24:31 andvar Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_usb.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/kmem.h>
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#include <sys/fcntl.h>
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#include <sys/conf.h>
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#include <sys/tty.h>
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#include <sys/file.h>
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#include <sys/ioctl.h>
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#include <sys/device.h>
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#include <sys/proc.h>
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#include <sys/poll.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbcdc.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usbdi_util.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usb_quirks.h>
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#include <dev/usb/ucomvar.h>
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#ifdef UVSCOM_DEBUG
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static int uvscomdebug = 1;
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#define DPRINTFN(n, x) do { \
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if (uvscomdebug > (n)) \
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printf x; \
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} while (0)
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#else
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#define DPRINTFN(n, x)
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#endif
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#define DPRINTF(x) DPRINTFN(0, x)
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#define UVSCOM_CONFIG_INDEX 0
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#define UVSCOM_IFACE_INDEX 0
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#define UVSCOM_INTR_INTERVAL 100 /* mS */
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#define UVSCOM_UNIT_WAIT 5
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/* Request */
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#define UVSCOM_SET_SPEED 0x10
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#define UVSCOM_LINE_CTL 0x11
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#define UVSCOM_SET_PARAM 0x12
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#define UVSCOM_READ_STATUS 0xd0
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#define UVSCOM_SHUTDOWN 0xe0
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/* UVSCOM_SET_SPEED parameters */
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#define UVSCOM_SPEED_150BPS 0x00
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#define UVSCOM_SPEED_300BPS 0x01
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#define UVSCOM_SPEED_600BPS 0x02
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#define UVSCOM_SPEED_1200BPS 0x03
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#define UVSCOM_SPEED_2400BPS 0x04
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#define UVSCOM_SPEED_4800BPS 0x05
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#define UVSCOM_SPEED_9600BPS 0x06
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#define UVSCOM_SPEED_19200BPS 0x07
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#define UVSCOM_SPEED_38400BPS 0x08
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#define UVSCOM_SPEED_57600BPS 0x09
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#define UVSCOM_SPEED_115200BPS 0x0a
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/* UVSCOM_LINE_CTL parameters */
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#define UVSCOM_BREAK 0x40
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#define UVSCOM_RTS 0x02
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#define UVSCOM_DTR 0x01
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#define UVSCOM_LINE_INIT 0x08
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/* UVSCOM_SET_PARAM parameters */
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#define UVSCOM_DATA_MASK 0x03
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#define UVSCOM_DATA_BIT_8 0x03
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#define UVSCOM_DATA_BIT_7 0x02
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#define UVSCOM_DATA_BIT_6 0x01
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#define UVSCOM_DATA_BIT_5 0x00
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#define UVSCOM_STOP_MASK 0x04
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#define UVSCOM_STOP_BIT_2 0x04
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#define UVSCOM_STOP_BIT_1 0x00
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#define UVSCOM_PARITY_MASK 0x18
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#define UVSCOM_PARITY_EVEN 0x18
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#if 0
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#define UVSCOM_PARITY_UNK 0x10
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#endif
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#define UVSCOM_PARITY_ODD 0x08
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#define UVSCOM_PARITY_NONE 0x00
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/* Status bits */
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#define UVSCOM_TXRDY 0x04
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#define UVSCOM_RXRDY 0x01
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#define UVSCOM_DCD 0x08
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#define UVSCOM_NOCARD 0x04
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#define UVSCOM_DSR 0x02
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#define UVSCOM_CTS 0x01
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#define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
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struct uvscom_softc {
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device_t sc_dev; /* base device */
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struct usbd_device * sc_udev; /* USB device */
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struct usbd_interface * sc_iface; /* interface */
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int sc_iface_number;/* interface number */
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struct usbd_interface * sc_intr_iface; /* interrupt interface */
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int sc_intr_number; /* interrupt number */
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struct usbd_pipe * sc_intr_pipe; /* interrupt pipe */
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u_char *sc_intr_buf; /* interrupt buffer */
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int sc_isize;
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u_char sc_dtr; /* current DTR state */
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u_char sc_rts; /* current RTS state */
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u_char sc_lsr; /* Local status register */
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u_char sc_msr; /* uvscom status register */
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uint16_t sc_lcr; /* Line control */
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u_char sc_usr; /* unit status */
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device_t sc_subdev; /* ucom device */
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bool sc_dying; /* disconnecting */
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};
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/*
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* These are the maximum number of bytes transferred per frame.
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* The output buffer size cannot be increased due to the size encoding.
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*/
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#define UVSCOMIBUFSIZE 512
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#define UVSCOMOBUFSIZE 64
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static usbd_status uvscom_readstat(struct uvscom_softc *);
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static usbd_status uvscom_shutdown(struct uvscom_softc *);
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static usbd_status uvscom_reset(struct uvscom_softc *);
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static usbd_status uvscom_set_line_coding(struct uvscom_softc *,
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uint16_t, uint16_t);
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static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
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static usbd_status uvscom_set_crtscts(struct uvscom_softc *);
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static void uvscom_get_status(void *, int, u_char *, u_char *);
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static void uvscom_dtr(struct uvscom_softc *, int);
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static void uvscom_rts(struct uvscom_softc *, int);
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static void uvscom_break(struct uvscom_softc *, int);
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static void uvscom_set(void *, int, int, int);
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static void uvscom_intr(struct usbd_xfer *, void *, usbd_status);
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static int uvscom_param(void *, int, struct termios *);
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static int uvscom_open(void *, int);
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static void uvscom_close(void *, int);
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static const struct ucom_methods uvscom_methods = {
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.ucom_get_status = uvscom_get_status,
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.ucom_set = uvscom_set,
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.ucom_param = uvscom_param,
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.ucom_ioctl = NULL, /* TODO */
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.ucom_open = uvscom_open,
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.ucom_close = uvscom_close,
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};
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static const struct usb_devno uvscom_devs [] = {
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/* SUNTAC U-Cable type A4 */
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{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 },
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/* SUNTAC U-Cable type D2 */
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{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L },
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/* SUNTAC U-Cable type P1 */
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{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
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/* SUNTAC Slipper U */
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{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
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/* SUNTAC Ir-Trinity */
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{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
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};
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#define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
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static int uvscom_match(device_t, cfdata_t, void *);
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static void uvscom_attach(device_t, device_t, void *);
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static void uvscom_childdet(device_t, device_t);
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static int uvscom_detach(device_t, int);
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CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match,
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uvscom_attach, uvscom_detach, NULL, NULL, uvscom_childdet);
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static int
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uvscom_match(device_t parent, cfdata_t match, void *aux)
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{
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struct usb_attach_arg *uaa = aux;
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return uvscom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ?
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UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
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}
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static void
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uvscom_attach(device_t parent, device_t self, void *aux)
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{
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struct uvscom_softc *sc = device_private(self);
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struct usb_attach_arg *uaa = aux;
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struct usbd_device *dev = uaa->uaa_device;
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usb_config_descriptor_t *cdesc;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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char *devinfop;
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usbd_status err;
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int i;
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struct ucom_attach_args ucaa;
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aprint_naive("\n");
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aprint_normal("\n");
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devinfop = usbd_devinfo_alloc(dev, 0);
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aprint_normal_dev(self, "%s\n", devinfop);
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usbd_devinfo_free(devinfop);
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sc->sc_dev = self;
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sc->sc_udev = dev;
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sc->sc_dying = false;
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DPRINTF(("uvscom attach: sc = %p\n", sc));
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/* initialize endpoints */
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ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1;
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sc->sc_intr_number = -1;
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sc->sc_intr_pipe = NULL;
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/* Move the device into the configured state. */
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err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
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if (err) {
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aprint_error_dev(self, "failed to set configuration, err=%s\n",
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usbd_errstr(err));
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sc->sc_dying = true;
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return;
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}
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/* get the config descriptor */
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cdesc = usbd_get_config_descriptor(sc->sc_udev);
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if (cdesc == NULL) {
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aprint_error_dev(self,
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"failed to get configuration descriptor\n");
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sc->sc_dying = true;
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return;
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}
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/* get the common interface */
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err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
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&sc->sc_iface);
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if (err) {
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aprint_error_dev(self, "failed to get interface, err=%s\n",
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usbd_errstr(err));
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sc->sc_dying = true;
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return;
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}
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id = usbd_get_interface_descriptor(sc->sc_iface);
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sc->sc_iface_number = id->bInterfaceNumber;
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/* Find endpoints */
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
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if (ed == NULL) {
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aprint_error_dev(self,
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"no endpoint descriptor for %d\n", i);
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sc->sc_dying = true;
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return;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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ucaa.ucaa_bulkin = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
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ucaa.ucaa_bulkout = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
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sc->sc_intr_number = ed->bEndpointAddress;
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sc->sc_isize = UGETW(ed->wMaxPacketSize);
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}
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}
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if (ucaa.ucaa_bulkin == -1) {
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aprint_error_dev(self, "Could not find data bulk in\n");
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sc->sc_dying = true;
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return;
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}
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if (ucaa.ucaa_bulkout == -1) {
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aprint_error_dev(self, "Could not find data bulk out\n");
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sc->sc_dying = true;
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return;
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}
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if (sc->sc_intr_number == -1) {
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aprint_error_dev(self, "Could not find interrupt in\n");
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sc->sc_dying = true;
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return;
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}
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sc->sc_dtr = sc->sc_rts = 0;
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sc->sc_lcr = UVSCOM_LINE_INIT;
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ucaa.ucaa_portno = UCOM_UNK_PORTNO;
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/* ucaa_bulkin, ucaa_bulkout set above */
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ucaa.ucaa_ibufsize = UVSCOMIBUFSIZE;
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ucaa.ucaa_obufsize = UVSCOMOBUFSIZE;
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ucaa.ucaa_ibufsizepad = UVSCOMIBUFSIZE;
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ucaa.ucaa_opkthdrlen = 0;
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ucaa.ucaa_device = dev;
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ucaa.ucaa_iface = sc->sc_iface;
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ucaa.ucaa_methods = &uvscom_methods;
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ucaa.ucaa_arg = sc;
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ucaa.ucaa_info = NULL;
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err = uvscom_reset(sc);
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if (err) {
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aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err));
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sc->sc_dying = true;
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return;
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}
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DPRINTF(("uvscom: in = %#x out = %#x intr = %#x\n",
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ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number));
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
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DPRINTF(("uplcom: in=%#x out=%#x intr=%#x\n",
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ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number ));
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sc->sc_subdev = config_found(self, &ucaa, ucomprint,
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CFARGS(.submatch = ucomsubmatch));
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return;
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}
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static void
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uvscom_childdet(device_t self, device_t child)
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{
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struct uvscom_softc *sc = device_private(self);
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KASSERT(sc->sc_subdev == child);
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sc->sc_subdev = NULL;
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}
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static void
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uvscom_close_pipe(struct uvscom_softc *sc)
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{
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if (sc->sc_intr_pipe != NULL) {
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usbd_abort_pipe(sc->sc_intr_pipe);
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usbd_close_pipe(sc->sc_intr_pipe);
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sc->sc_intr_pipe = NULL;
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}
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if (sc->sc_intr_buf) {
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kmem_free(sc->sc_intr_buf, sc->sc_isize);
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sc->sc_intr_buf = NULL;
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}
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}
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static int
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uvscom_detach(device_t self, int flags)
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{
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struct uvscom_softc *sc = device_private(self);
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int rv = 0;
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DPRINTF(("uvscom_detach: sc = %p\n", sc));
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sc->sc_dying = true;
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uvscom_close_pipe(sc);
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if (sc->sc_subdev != NULL) {
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rv = config_detach(sc->sc_subdev, flags);
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sc->sc_subdev = NULL;
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}
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usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
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return rv;
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}
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static usbd_status
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uvscom_readstat(struct uvscom_softc *sc)
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{
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usb_device_request_t req;
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usbd_status err;
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uint16_t r;
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DPRINTF(("%s: send readstat\n", device_xname(sc->sc_dev)));
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req.bmRequestType = UT_READ_VENDOR_DEVICE;
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req.bRequest = UVSCOM_READ_STATUS;
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USETW(req.wValue, 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, 2);
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err = usbd_do_request(sc->sc_udev, &req, &r);
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if (err) {
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aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n",
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usbd_errstr(err));
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return err;
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}
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DPRINTF(("%s: uvscom_readstat: r = %d\n",
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device_xname(sc->sc_dev), r));
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return USBD_NORMAL_COMPLETION;
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}
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static usbd_status
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uvscom_shutdown(struct uvscom_softc *sc)
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{
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usb_device_request_t req;
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usbd_status err;
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DPRINTF(("%s: send shutdown\n", device_xname(sc->sc_dev)));
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req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
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req.bRequest = UVSCOM_SHUTDOWN;
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USETW(req.wValue, 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, 0);
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err = usbd_do_request(sc->sc_udev, &req, NULL);
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if (err) {
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aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n",
|
|
usbd_errstr(err));
|
|
return err;
|
|
}
|
|
|
|
return USBD_NORMAL_COMPLETION;
|
|
}
|
|
|
|
static usbd_status
|
|
uvscom_reset(struct uvscom_softc *sc)
|
|
{
|
|
DPRINTF(("%s: uvscom_reset\n", device_xname(sc->sc_dev)));
|
|
|
|
return USBD_NORMAL_COMPLETION;
|
|
}
|
|
|
|
static usbd_status
|
|
uvscom_set_crtscts(struct uvscom_softc *sc)
|
|
{
|
|
DPRINTF(("%s: uvscom_set_crtscts\n", device_xname(sc->sc_dev)));
|
|
|
|
return USBD_NORMAL_COMPLETION;
|
|
}
|
|
|
|
static usbd_status
|
|
uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
DPRINTF(("%s: uvscom_set_line: %04x\n",
|
|
device_xname(sc->sc_dev), line));
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UVSCOM_LINE_CTL;
|
|
USETW(req.wValue, line);
|
|
USETW(req.wIndex, 0);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_udev, &req, NULL);
|
|
if (err) {
|
|
aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n",
|
|
usbd_errstr(err));
|
|
return err;
|
|
}
|
|
|
|
return USBD_NORMAL_COMPLETION;
|
|
}
|
|
|
|
static usbd_status
|
|
uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status err;
|
|
|
|
DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
|
|
device_xname(sc->sc_dev), lsp, ls));
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UVSCOM_SET_SPEED;
|
|
USETW(req.wValue, lsp);
|
|
USETW(req.wIndex, 0);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_udev, &req, NULL);
|
|
if (err) {
|
|
aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n",
|
|
usbd_errstr(err));
|
|
return err;
|
|
}
|
|
|
|
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
|
|
req.bRequest = UVSCOM_SET_PARAM;
|
|
USETW(req.wValue, ls);
|
|
USETW(req.wIndex, 0);
|
|
USETW(req.wLength, 0);
|
|
|
|
err = usbd_do_request(sc->sc_udev, &req, NULL);
|
|
if (err) {
|
|
aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n",
|
|
usbd_errstr(err));
|
|
return err;
|
|
}
|
|
|
|
return USBD_NORMAL_COMPLETION;
|
|
}
|
|
|
|
static void
|
|
uvscom_dtr(struct uvscom_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
|
|
device_xname(sc->sc_dev), onoff));
|
|
|
|
if (sc->sc_dtr == onoff)
|
|
return; /* no change */
|
|
|
|
sc->sc_dtr = onoff;
|
|
|
|
if (onoff)
|
|
SET(sc->sc_lcr, UVSCOM_DTR);
|
|
else
|
|
CLR(sc->sc_lcr, UVSCOM_DTR);
|
|
|
|
uvscom_set_line(sc, sc->sc_lcr);
|
|
}
|
|
|
|
static void
|
|
uvscom_rts(struct uvscom_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("%s: uvscom_rts: onoff = %d\n",
|
|
device_xname(sc->sc_dev), onoff));
|
|
|
|
if (sc->sc_rts == onoff)
|
|
return; /* no change */
|
|
|
|
sc->sc_rts = onoff;
|
|
|
|
if (onoff)
|
|
SET(sc->sc_lcr, UVSCOM_RTS);
|
|
else
|
|
CLR(sc->sc_lcr, UVSCOM_RTS);
|
|
|
|
uvscom_set_line(sc, sc->sc_lcr);
|
|
}
|
|
|
|
static void
|
|
uvscom_break(struct uvscom_softc *sc, int onoff)
|
|
{
|
|
DPRINTF(("%s: uvscom_break: onoff = %d\n",
|
|
device_xname(sc->sc_dev), onoff));
|
|
|
|
if (onoff)
|
|
uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
|
|
}
|
|
|
|
static void
|
|
uvscom_set(void *addr, int portno, int reg, int onoff)
|
|
{
|
|
struct uvscom_softc *sc = addr;
|
|
|
|
if (sc->sc_dying)
|
|
return;
|
|
|
|
switch (reg) {
|
|
case UCOM_SET_DTR:
|
|
uvscom_dtr(sc, onoff);
|
|
break;
|
|
case UCOM_SET_RTS:
|
|
uvscom_rts(sc, onoff);
|
|
break;
|
|
case UCOM_SET_BREAK:
|
|
uvscom_break(sc, onoff);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
uvscom_param(void *addr, int portno, struct termios *t)
|
|
{
|
|
struct uvscom_softc *sc = addr;
|
|
usbd_status err;
|
|
uint16_t lsp;
|
|
uint16_t ls;
|
|
|
|
DPRINTF(("%s: uvscom_param: sc = %p\n",
|
|
device_xname(sc->sc_dev), sc));
|
|
|
|
if (sc->sc_dying)
|
|
return EIO;
|
|
|
|
ls = 0;
|
|
|
|
switch (t->c_ospeed) {
|
|
case B150:
|
|
lsp = UVSCOM_SPEED_150BPS;
|
|
break;
|
|
case B300:
|
|
lsp = UVSCOM_SPEED_300BPS;
|
|
break;
|
|
case B600:
|
|
lsp = UVSCOM_SPEED_600BPS;
|
|
break;
|
|
case B1200:
|
|
lsp = UVSCOM_SPEED_1200BPS;
|
|
break;
|
|
case B2400:
|
|
lsp = UVSCOM_SPEED_2400BPS;
|
|
break;
|
|
case B4800:
|
|
lsp = UVSCOM_SPEED_4800BPS;
|
|
break;
|
|
case B9600:
|
|
lsp = UVSCOM_SPEED_9600BPS;
|
|
break;
|
|
case B19200:
|
|
lsp = UVSCOM_SPEED_19200BPS;
|
|
break;
|
|
case B38400:
|
|
lsp = UVSCOM_SPEED_38400BPS;
|
|
break;
|
|
case B57600:
|
|
lsp = UVSCOM_SPEED_57600BPS;
|
|
break;
|
|
case B115200:
|
|
lsp = UVSCOM_SPEED_115200BPS;
|
|
break;
|
|
default:
|
|
return EIO;
|
|
}
|
|
|
|
if (ISSET(t->c_cflag, CSTOPB))
|
|
SET(ls, UVSCOM_STOP_BIT_2);
|
|
else
|
|
SET(ls, UVSCOM_STOP_BIT_1);
|
|
|
|
if (ISSET(t->c_cflag, PARENB)) {
|
|
if (ISSET(t->c_cflag, PARODD))
|
|
SET(ls, UVSCOM_PARITY_ODD);
|
|
else
|
|
SET(ls, UVSCOM_PARITY_EVEN);
|
|
} else
|
|
SET(ls, UVSCOM_PARITY_NONE);
|
|
|
|
switch (ISSET(t->c_cflag, CSIZE)) {
|
|
case CS5:
|
|
SET(ls, UVSCOM_DATA_BIT_5);
|
|
break;
|
|
case CS6:
|
|
SET(ls, UVSCOM_DATA_BIT_6);
|
|
break;
|
|
case CS7:
|
|
SET(ls, UVSCOM_DATA_BIT_7);
|
|
break;
|
|
case CS8:
|
|
SET(ls, UVSCOM_DATA_BIT_8);
|
|
break;
|
|
default:
|
|
return EIO;
|
|
}
|
|
|
|
err = uvscom_set_line_coding(sc, lsp, ls);
|
|
if (err)
|
|
return EIO;
|
|
|
|
if (ISSET(t->c_cflag, CRTSCTS)) {
|
|
err = uvscom_set_crtscts(sc);
|
|
if (err)
|
|
return EIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
uvscom_open(void *addr, int portno)
|
|
{
|
|
struct uvscom_softc *sc = addr;
|
|
int err;
|
|
int i;
|
|
|
|
if (sc->sc_dying)
|
|
return EIO;
|
|
|
|
DPRINTF(("uvscom_open: sc = %p\n", sc));
|
|
|
|
if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
|
|
DPRINTF(("uvscom_open: open interrupt pipe.\n"));
|
|
|
|
sc->sc_usr = 0; /* clear unit status */
|
|
|
|
err = uvscom_readstat(sc);
|
|
if (err) {
|
|
DPRINTF(("%s: uvscom_open: readstat failed\n",
|
|
device_xname(sc->sc_dev)));
|
|
return EIO;
|
|
}
|
|
|
|
sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP);
|
|
err = usbd_open_pipe_intr(sc->sc_iface,
|
|
sc->sc_intr_number,
|
|
USBD_SHORT_XFER_OK,
|
|
&sc->sc_intr_pipe,
|
|
sc,
|
|
sc->sc_intr_buf,
|
|
sc->sc_isize,
|
|
uvscom_intr,
|
|
UVSCOM_INTR_INTERVAL);
|
|
if (err) {
|
|
aprint_error_dev(sc->sc_dev,
|
|
"cannot open interrupt pipe (addr %d)\n",
|
|
sc->sc_intr_number);
|
|
return EIO;
|
|
}
|
|
} else {
|
|
DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
|
|
}
|
|
|
|
if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
|
|
/* unit is not ready */
|
|
|
|
for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
|
|
kpause("uvsopen", false, hz, NULL);
|
|
if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
|
|
break;
|
|
}
|
|
if (i == 0) {
|
|
DPRINTF(("%s: unit is not ready\n",
|
|
device_xname(sc->sc_dev)));
|
|
return EIO;
|
|
}
|
|
|
|
/* check PC card was inserted */
|
|
if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
|
|
DPRINTF(("%s: no card\n",
|
|
device_xname(sc->sc_dev)));
|
|
return EIO;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
uvscom_close(void *addr, int portno)
|
|
{
|
|
struct uvscom_softc *sc = addr;
|
|
|
|
DPRINTF(("uvscom_close: close\n"));
|
|
|
|
if (sc->sc_dying)
|
|
return;
|
|
|
|
uvscom_shutdown(sc);
|
|
uvscom_close_pipe(sc);
|
|
}
|
|
|
|
static void
|
|
uvscom_intr(struct usbd_xfer *xfer, void *priv,
|
|
usbd_status status)
|
|
{
|
|
struct uvscom_softc *sc = priv;
|
|
u_char *buf = sc->sc_intr_buf;
|
|
u_char pstatus;
|
|
|
|
if (sc->sc_dying)
|
|
return;
|
|
|
|
if (status != USBD_NORMAL_COMPLETION) {
|
|
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
|
|
return;
|
|
|
|
aprint_error_dev(sc->sc_dev,
|
|
"uvscom_intr: abnormal status: %s\n",
|
|
usbd_errstr(status));
|
|
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
|
|
return;
|
|
}
|
|
|
|
DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
|
|
device_xname(sc->sc_dev), buf[0], buf[1]));
|
|
|
|
sc->sc_lsr = sc->sc_msr = 0;
|
|
sc->sc_usr = buf[1];
|
|
|
|
pstatus = buf[0];
|
|
if (ISSET(pstatus, UVSCOM_TXRDY))
|
|
SET(sc->sc_lsr, ULSR_TXRDY);
|
|
if (ISSET(pstatus, UVSCOM_RXRDY))
|
|
SET(sc->sc_lsr, ULSR_RXRDY);
|
|
|
|
pstatus = buf[1];
|
|
if (ISSET(pstatus, UVSCOM_CTS))
|
|
SET(sc->sc_msr, UMSR_CTS);
|
|
if (ISSET(pstatus, UVSCOM_DSR))
|
|
SET(sc->sc_msr, UMSR_DSR);
|
|
if (ISSET(pstatus, UVSCOM_DCD))
|
|
SET(sc->sc_msr, UMSR_DCD);
|
|
|
|
ucom_status_change(device_private(sc->sc_subdev));
|
|
}
|
|
|
|
static void
|
|
uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
|
|
{
|
|
struct uvscom_softc *sc = addr;
|
|
|
|
if (sc->sc_dying)
|
|
return;
|
|
|
|
*lsr = sc->sc_lsr;
|
|
*msr = sc->sc_msr;
|
|
}
|