Add umcs(4) - a driver for moschip 78{1,2,4}0 based multiport serial

adapters. Ported from FreeBSD.
This commit is contained in:
martin 2014-03-16 09:34:45 +00:00
parent 8ada782766
commit eae8282d65
4 changed files with 1605 additions and 4 deletions

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@ -1,4 +1,4 @@
# $NetBSD: files.usb,v 1.130 2013/10/26 09:16:20 nonaka Exp $
# $NetBSD: files.usb,v 1.131 2014/03/16 09:34:45 martin Exp $
#
# Config file and device description for machine-independent USB code.
# Included by ports that need it. Ports that use it must provide
@ -327,6 +327,11 @@ device moscom: ucombus
attach moscom at usbdevif
file dev/usb/moscom.c moscom
# andother driver for the same chip
device umcs: ucombus
attach umcs at usbdevif
file dev/usb/umcs.c umcs
# SUNTAC Slipper U VS-10U driver
device uvscom: ucombus
attach uvscom at usbdevif

944
sys/dev/usb/umcs.c Normal file
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@ -0,0 +1,944 @@
/* $NetBSD: umcs.c,v 1.1 2014/03/16 09:34:45 martin Exp $ */
/* $FreeBSD: head/sys/dev/usb/serial/umcs.c 260559 2014-01-12 11:44:28Z hselasky $ */
/*-
* Copyright (c) 2010 Lev Serebryakov <lev@FreeBSD.org>.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 driver supports several multiport USB-to-RS232 serial adapters driven
* by MosChip mos7820 and mos7840, bridge chips.
* The adapters are sold under many different brand names.
*
* Datasheets are available at MosChip www site at
* http://www.moschip.com. The datasheets don't contain full
* programming information for the chip.
*
* It is nornal to have only two enabled ports in devices, based on
* quad-port mos7840.
*
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: umcs.c,v 1.1 2014/03/16 09:34:45 martin Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/atomic.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/workqueue.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
#include "umcs.h"
#if 0
#define DPRINTF(ARG) printf ARG
#else
#define DPRINTF(ARG)
#endif
/*
* Two-port devices (both with 7820 chip and 7840 chip configured as two-port)
* have ports 0 and 2, with ports 1 and 3 omitted.
* So, PHYSICAL port numbers on two-port device will be 0 and 2.
*
* We use an array of the following struct, indexed by ucom port index,
* and include the physical port number in it.
*/
struct umcs7840_softc_oneport {
device_t sc_port_ucom; /* ucom subdevice */
uint32_t sc_port_changed; /* call ucom_status_change() */
unsigned int sc_port_phys; /* physical port number */
uint8_t sc_port_lcr; /* local line control register */
uint8_t sc_port_mcr; /* local modem control register */
};
struct umcs7840_softc {
device_t sc_dev; /* ourself */
usbd_interface_handle sc_iface; /* the usb interface */
usbd_device_handle sc_udev; /* the usb device */
usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */
usbd_xfer_handle sc_intr_xfer; /* and preallocated xfer */
uint8_t *sc_intr_buf; /* buffer for interrupt xfer */
struct workqueue *sc_change_wq; /* workqueue for status changes */
struct work sc_work; /* work for said workqueue. */
struct umcs7840_softc_oneport sc_ports[UMCS7840_MAX_PORTS];
/* data for each port */
uint8_t sc_numports; /* number of ports (subunits) */
bool sc_init_done; /* special one time init in open */
bool sc_dying; /* we have been deactivated */
};
static int umcs7840_get_reg(struct umcs7840_softc *sc, uint8_t reg, uint8_t *data);
static int umcs7840_set_reg(struct umcs7840_softc *sc, uint8_t reg, uint8_t data);
static int umcs7840_get_UART_reg(struct umcs7840_softc *sc, uint8_t portno, uint8_t reg, uint8_t *data);
static int umcs7840_set_UART_reg(struct umcs7840_softc *sc, uint8_t portno, uint8_t reg, uint8_t data);
static int umcs7840_calc_baudrate(uint32_t rate, uint16_t *divisor, uint8_t *clk);
static void umcs7840_dtr(struct umcs7840_softc *sc, int portno, bool onoff);
static void umcs7840_rts(struct umcs7840_softc *sc, int portno, bool onoff);
static void umcs7840_break(struct umcs7840_softc *sc, int portno, bool onoff);
static int umcs7840_match(device_t, cfdata_t, void *);
static void umcs7840_attach(device_t, device_t, void *);
static int umcs7840_detach(device_t, int);
static void umcs7840_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status);
static void umcs7840_change_worker(struct work *w, void *arg);
static int umcs7840_activate(device_t, enum devact);
static void umcs7840_childdet(device_t, device_t);
static void umcs7840_get_status(void *, int, u_char *, u_char *);
static void umcs7840_set(void *, int, int, int);
static int umcs7840_param(void *, int, struct termios *);
static int umcs7840_port_open(void *sc, int portno);
static void umcs7840_port_close(void *sc, int portno);
struct ucom_methods umcs7840_methods = {
umcs7840_get_status,
umcs7840_set,
umcs7840_param,
NULL,
umcs7840_port_open,
umcs7840_port_close,
};
static const struct usb_devno umcs7840_devs[] = {
{ USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7703 },
{ USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7810 },
{ USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7820 },
{ USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7840 },
{ USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC2324 }
};
#define umcs7840_lookup(v, p) usb_lookup(umcs7840_devs, v, p)
CFATTACH_DECL2_NEW(umcs, sizeof(struct umcs7840_softc), umcs7840_match,
umcs7840_attach, umcs7840_detach, umcs7840_activate, NULL,
umcs7840_childdet);
static inline int
umcs7840_reg_sp(int phyport)
{
KASSERT(phyport >= 0 && phyport < 4);
switch (phyport) {
default:
case 0: return MCS7840_DEV_REG_SP1;
case 1: return MCS7840_DEV_REG_SP2;
case 2: return MCS7840_DEV_REG_SP3;
case 3: return MCS7840_DEV_REG_SP4;
}
}
static inline int
umcs7840_reg_ctrl(int phyport)
{
KASSERT(phyport >= 0 && phyport < 4);
switch (phyport) {
default:
case 0: return MCS7840_DEV_REG_CONTROL1;
case 1: return MCS7840_DEV_REG_CONTROL2;
case 2: return MCS7840_DEV_REG_CONTROL3;
case 3: return MCS7840_DEV_REG_CONTROL4;
}
}
static inline int
umcs7840_reg_dcr0(int phyport)
{
KASSERT(phyport >= 0 && phyport < 4);
switch (phyport) {
default:
case 0: return MCS7840_DEV_REG_DCR0_1;
case 1: return MCS7840_DEV_REG_DCR0_2;
case 2: return MCS7840_DEV_REG_DCR0_3;
case 3: return MCS7840_DEV_REG_DCR0_4;
}
}
static int
umcs7840_match(device_t dev, cfdata_t match, void *aux)
{
struct usb_attach_arg *uaa = aux;
return (umcs7840_lookup(uaa->vendor, uaa->product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
}
static void
umcs7840_attach(device_t parent, device_t self, void * aux)
{
struct umcs7840_softc *sc = device_private(self);
struct usb_attach_arg *uaa = aux;
usbd_device_handle dev = uaa->device;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
char *devinfop;
struct ucom_attach_args uca;
int error, i, intr_addr;
uint8_t data;
uint16_t isize;
sc->sc_dev = self;
sc->sc_udev = uaa->device;
if (usbd_set_config_index(sc->sc_udev, MCS7840_CONFIG_INDEX, 1) != 0) {
aprint_error(": could not set configuration no\n");
return;
}
/* get the first interface handle */
error = usbd_device2interface_handle(sc->sc_udev, MCS7840_IFACE_INDEX,
&sc->sc_iface);
if (error != 0) {
aprint_error(": could not get interface handle\n");
return;
}
/*
* Get number of ports
* Documentation (full datasheet) says, that number of ports is
* set as MCS7840_DEV_MODE_SELECT24S bit in MODE R/Only
* register. But vendor driver uses these undocumented
* register & bit.
*
* Experiments show, that MODE register can have `0'
* (4 ports) bit on 2-port device, so use vendor driver's way.
*
* Also, see notes in header file for these constants.
*/
umcs7840_get_reg(sc, MCS7840_DEV_REG_GPIO, &data);
if (data & MCS7840_DEV_GPIO_4PORTS) {
sc->sc_numports = 4;
/* physical port no are : 0, 1, 2, 3 */
} else {
if (uaa->product == USB_PRODUCT_MOSCHIP_MCS7810)
sc->sc_numports = 1;
else {
sc->sc_numports = 2;
/* physical port no are : 0 and 2 */
}
}
devinfop = usbd_devinfo_alloc(dev, 0);
aprint_normal(": %s\n", devinfop);
usbd_devinfo_free(devinfop);
aprint_verbose_dev(self, "found %d active ports\n", sc->sc_numports);
if (!umcs7840_get_reg(sc, MCS7840_DEV_REG_MODE, &data)) {
aprint_verbose_dev(self, "On-die confguration: RST: active %s, "
"HRD: %s, PLL: %s, POR: %s, Ports: %s, EEPROM write %s, "
"IrDA is %savailable\n",
(data & MCS7840_DEV_MODE_RESET) ? "low" : "high",
(data & MCS7840_DEV_MODE_SER_PRSNT) ? "yes" : "no",
(data & MCS7840_DEV_MODE_PLLBYPASS) ? "bypassed" : "avail",
(data & MCS7840_DEV_MODE_PORBYPASS) ? "bypassed" : "avail",
(data & MCS7840_DEV_MODE_SELECT24S) ? "2" : "4",
(data & MCS7840_DEV_MODE_EEPROMWR) ? "enabled" : "disabled",
(data & MCS7840_DEV_MODE_IRDA) ? "" : "not ");
}
/*
* Set up the interrupt pipe
*/
id = usbd_get_interface_descriptor(sc->sc_iface);
isize = 0;
intr_addr = -1;
for (i = 0 ; i < id->bNumEndpoints ; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) continue;
if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_IN
|| UE_GET_XFERTYPE(ed->bmAttributes) != UE_INTERRUPT)
continue;
isize = UGETW(ed->wMaxPacketSize);
intr_addr = ed->bEndpointAddress;
break;
}
if (intr_addr < 0) {
aprint_error_dev(self, "interrupt pipe not found\n");
return;
}
sc->sc_intr_buf = malloc(isize, M_USBDEV, M_WAITOK);
error = usbd_open_pipe_intr(sc->sc_iface, intr_addr,
USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf,
isize, umcs7840_intr, 100);
if (error) {
aprint_error_dev(self, "cannot open interrupt pipe "
"(addr %d)\n", intr_addr);
return;
}
sc->sc_intr_xfer = usbd_alloc_xfer(uaa->device);
if (sc->sc_intr_xfer == NULL) {
aprint_error_dev(self, "alloc intr xfer failed\n");
return;
}
if (workqueue_create(&sc->sc_change_wq, "umcsq",
umcs7840_change_worker, sc, PRI_NONE, IPL_USB, WQ_MPSAFE)) {
aprint_error_dev(self, "workqueue creation failed\n");
return;
}
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
sc->sc_dev);
memset(&uca, 0, sizeof uca);
uca.ibufsize = 256;
uca.obufsize = 256;
uca.ibufsizepad = 256;
uca.opkthdrlen = 0;
uca.device = sc->sc_udev;
uca.iface = sc->sc_iface;
uca.methods = &umcs7840_methods;
uca.arg = sc;
for (i = 0; i < sc->sc_numports; i++) {
uca.bulkin = uca.bulkout = -1;
/*
* On four port cards, endpoints are 0/1 for first,
* 2/3 for second, ...
* On two port cards, they are 0/1 for first, 4/5 for second.
* On single port, just 0/1 will be used.
*/
int phyport = i * (sc->sc_numports == 2 ? 2 : 1);
ed = usbd_interface2endpoint_descriptor(sc->sc_iface,
phyport*2);
if (ed == NULL) {
aprint_error_dev(self,
"no bulk in endpoint found for %d\n", i);
return;
}
uca.bulkin = ed->bEndpointAddress;
ed = usbd_interface2endpoint_descriptor(sc->sc_iface,
phyport*2 + 1);
if (ed == NULL) {
aprint_error_dev(self,
"no bulk out endpoint found for %d\n", i);
return;
}
uca.bulkout = ed->bEndpointAddress;
uca.portno = i;
DPRINTF(("port %d physical port %d bulk-in %d bulk-out %d\n",
i, phyport, uca.bulkin, uca.bulkout));
sc->sc_ports[i].sc_port_phys = phyport;
sc->sc_ports[i].sc_port_ucom =
config_found_sm_loc(self, "ucombus", NULL, &uca,
ucomprint, ucomsubmatch);
}
}
static int
umcs7840_get_reg(struct umcs7840_softc *sc, uint8_t reg, uint8_t *data)
{
usb_device_request_t req;
int err;
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = MCS7840_RDREQ;
USETW(req.wValue, 0);
USETW(req.wIndex, reg);
USETW(req.wLength, UMCS7840_READ_LENGTH);
err = usbd_do_request(sc->sc_udev, &req, data);
if (err)
aprint_normal_dev(sc->sc_dev,
"Reading register %d failed: %s\n", reg, usbd_errstr(err));
return err;
}
static int
umcs7840_set_reg(struct umcs7840_softc *sc, uint8_t reg, uint8_t data)
{
usb_device_request_t req;
int err;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MCS7840_WRREQ;
USETW(req.wValue, data);
USETW(req.wIndex, reg);
USETW(req.wLength, 0);
err = usbd_do_request(sc->sc_udev, &req, 0);
if (err)
aprint_normal_dev(sc->sc_dev, "Writing register %d failed: %s\n", reg, usbd_errstr(err));
return err;
}
static int
umcs7840_get_UART_reg(struct umcs7840_softc *sc, uint8_t portno,
uint8_t reg, uint8_t *data)
{
usb_device_request_t req;
uint16_t wVal;
int err;
/* portno is port number */
wVal = ((uint16_t)(portno + 1)) << 8;
req.bmRequestType = UT_READ_VENDOR_DEVICE;
req.bRequest = MCS7840_RDREQ;
USETW(req.wValue, wVal);
USETW(req.wIndex, reg);
USETW(req.wLength, UMCS7840_READ_LENGTH);
err = usbd_do_request(sc->sc_udev, &req, data);
if (err)
aprint_normal_dev(sc->sc_dev, "Reading UART %d register %d failed: %s\n", portno, reg, usbd_errstr(err));
return err;
}
static int
umcs7840_set_UART_reg(struct umcs7840_softc *sc, uint8_t portno, uint8_t reg, uint8_t data)
{
usb_device_request_t req;
int err;
uint16_t wVal;
/* portno is the physical port number */
wVal = ((uint16_t)(portno + 1)) << 8 | data;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = MCS7840_WRREQ;
USETW(req.wValue, wVal);
USETW(req.wIndex, reg);
USETW(req.wLength, 0);
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (err)
device_printf(sc->sc_dev, "Writing UART%d register %d failed: %s\n", portno, reg, usbd_errstr(err));
return err;
}
static int
umcs7840_set_baudrate(struct umcs7840_softc *sc, uint8_t portno, uint32_t rate)
{
int err;
uint16_t divisor;
uint8_t clk;
uint8_t data;
uint8_t physport = sc->sc_ports[portno].sc_port_phys;
int spreg = umcs7840_reg_sp(physport);
if (umcs7840_calc_baudrate(rate, &divisor, &clk)) {
DPRINTF(("Port %d bad speed: %d\n", portno, rate));
return (-1);
}
if (divisor == 0 || (clk & MCS7840_DEV_SPx_CLOCK_MASK) != clk) {
DPRINTF(("Port %d bad speed calculation: %d\n", portno, rate));
return (-1);
}
DPRINTF(("Port %d set speed: %d (%02x / %d)\n", portno, rate, clk, divisor));
/* Set clock source for standard BAUD frequences */
err = umcs7840_get_reg(sc, spreg, &data);
if (err)
return err;
data &= MCS7840_DEV_SPx_CLOCK_MASK;
data |= clk;
err = umcs7840_set_reg(sc, spreg, data);
if (err)
return err;
/* Set divider */
sc->sc_ports[portno].sc_port_lcr |= MCS7840_UART_LCR_DIVISORS;
err = umcs7840_set_UART_reg(sc, physport, MCS7840_UART_REG_LCR, sc->sc_ports[portno].sc_port_lcr);
if (err)
return err;
err = umcs7840_set_UART_reg(sc, physport, MCS7840_UART_REG_DLL, (uint8_t)(divisor & 0xff));
if (err)
return err;
err = umcs7840_set_UART_reg(sc, physport, MCS7840_UART_REG_DLM, (uint8_t)((divisor >> 8) & 0xff));
if (err)
return err;
/* Turn off access to DLL/DLM registers of UART */
sc->sc_ports[portno].sc_port_lcr &= ~MCS7840_UART_LCR_DIVISORS;
err = umcs7840_set_UART_reg(sc, physport, MCS7840_UART_REG_LCR, sc->sc_ports[portno].sc_port_lcr);
if (err)
return err;
return (0);
}
static int
umcs7840_calc_baudrate(uint32_t rate, uint16_t *divisor, uint8_t *clk)
{
/* Maximum speeds for standard frequences, when PLL is not used */
static const uint32_t umcs7840_baudrate_divisors[] =
{0, 115200, 230400, 403200, 460800, 806400, 921600,
1572864, 3145728,};
static const uint8_t umcs7840_baudrate_divisors_len =
__arraycount(umcs7840_baudrate_divisors);
uint8_t i = 0;
if (rate > umcs7840_baudrate_divisors[umcs7840_baudrate_divisors_len - 1])
return (-1);
for (i = 0; i < umcs7840_baudrate_divisors_len - 1
&& !(rate > umcs7840_baudrate_divisors[i]
&& rate <= umcs7840_baudrate_divisors[i + 1]); ++i);
*divisor = umcs7840_baudrate_divisors[i + 1] / rate;
/* 0x00 .. 0x70 */
*clk = i << MCS7840_DEV_SPx_CLOCK_SHIFT;
return (0);
}
static int
umcs7840_detach(device_t self, int flags)
{
struct umcs7840_softc *sc = device_private(self);
int rv = 0, i;
/* close interrupt pipe */
if (sc->sc_intr_pipe != NULL) {
rv = usbd_abort_pipe(sc->sc_intr_pipe);
if (rv)
aprint_error_dev(sc->sc_dev,
"abort interrupt pipe failed: %s\n",
usbd_errstr(rv));
rv = usbd_close_pipe(sc->sc_intr_pipe);
if (rv)
aprint_error_dev(sc->sc_dev,
"close interrupt pipe failed: %s\n",
usbd_errstr(rv));
free(sc->sc_intr_buf, M_USBDEV);
sc->sc_intr_pipe = NULL;
}
if (sc->sc_change_wq != NULL)
workqueue_destroy(sc->sc_change_wq);
for (i = 0; i < sc->sc_numports; i++) {
if (sc->sc_ports[i].sc_port_ucom) {
rv = config_detach(sc->sc_ports[i].sc_port_ucom,
flags);
if (rv)
break;
}
}
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
sc->sc_dev);
return rv;
}
int
umcs7840_activate(device_t self, enum devact act)
{
struct umcs7840_softc *sc = device_private(self);
switch (act) {
case DVACT_DEACTIVATE:
sc->sc_dying = true;
return 0;
default:
return EOPNOTSUPP;
}
}
static void
umcs7840_childdet(device_t self, device_t child)
{
struct umcs7840_softc *sc = device_private(self);
int i;
for (i = 0; i < sc->sc_numports; i++) {
if (child == sc->sc_ports[i].sc_port_ucom) {
sc->sc_ports[i].sc_port_ucom = NULL;
return;
}
}
}
static void
umcs7840_get_status(void *self, int portno, u_char *lsr, u_char *msr)
{
struct umcs7840_softc *sc = self;
uint8_t pn = sc->sc_ports[portno].sc_port_phys;
uint8_t hw_lsr = 0; /* local line status register */
uint8_t hw_msr = 0; /* local modem status register */
/* Read LSR & MSR */
umcs7840_get_UART_reg(sc, pn, MCS7840_UART_REG_LSR, &hw_lsr);
umcs7840_get_UART_reg(sc, pn, MCS7840_UART_REG_MSR, &hw_msr);
*lsr = hw_lsr;
*msr = hw_msr;
}
static void
umcs7840_set(void *self, int portno, int reg, int onoff)
{
struct umcs7840_softc *sc = self;
int pn = sc->sc_ports[portno].sc_port_phys;
if (sc->sc_dying)
return;
switch (reg) {
case UCOM_SET_DTR:
umcs7840_dtr(sc, pn, onoff);
break;
case UCOM_SET_RTS:
umcs7840_rts(sc, pn, onoff);
break;
case UCOM_SET_BREAK:
umcs7840_break(sc, pn, onoff);
break;
default:
break;
}
}
static int
umcs7840_param(void *self, int portno, struct termios *t)
{
struct umcs7840_softc *sc = self;
int pn = sc->sc_ports[portno].sc_port_phys;
uint8_t lcr = sc->sc_ports[portno].sc_port_lcr;
uint8_t mcr = sc->sc_ports[portno].sc_port_mcr;
if (t->c_cflag & CSTOPB) {
lcr |= MCS7840_UART_LCR_STOPB2;
} else {
lcr |= MCS7840_UART_LCR_STOPB1;
}
lcr &= ~MCS7840_UART_LCR_PARITYMASK;
if (t->c_cflag & PARENB) {
lcr |= MCS7840_UART_LCR_PARITYON;
if (t->c_cflag & PARODD) {
lcr = MCS7840_UART_LCR_PARITYODD;
} else {
lcr = MCS7840_UART_LCR_PARITYEVEN;
}
} else {
lcr &= ~MCS7840_UART_LCR_PARITYON;
}
lcr &= ~MCS7840_UART_LCR_DATALENMASK;
switch (t->c_cflag & CSIZE) {
case CS5:
lcr |= MCS7840_UART_LCR_DATALEN5;
break;
case CS6:
lcr |= MCS7840_UART_LCR_DATALEN6;
break;
case CS7:
lcr |= MCS7840_UART_LCR_DATALEN7;
break;
case CS8:
lcr |= MCS7840_UART_LCR_DATALEN8;
break;
}
if (t->c_cflag & CRTSCTS)
mcr |= MCS7840_UART_MCR_CTSRTS;
else
mcr &= ~MCS7840_UART_MCR_CTSRTS;
if (t->c_cflag & CLOCAL)
mcr &= ~MCS7840_UART_MCR_DTRDSR;
else
mcr |= MCS7840_UART_MCR_DTRDSR;
sc->sc_ports[portno].sc_port_lcr = lcr;
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_LCR,
sc->sc_ports[pn].sc_port_lcr);
sc->sc_ports[portno].sc_port_mcr = mcr;
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_MCR,
sc->sc_ports[pn].sc_port_mcr);
if (umcs7840_set_baudrate(sc, pn, t->c_ospeed))
return EIO;
return 0;
}
static void
umcs7840_dtr(struct umcs7840_softc *sc, int portno, bool onoff)
{
int pn = sc->sc_ports[portno].sc_port_phys;
uint8_t mcr = sc->sc_ports[portno].sc_port_mcr;
if (onoff)
mcr |= MCS7840_UART_MCR_DTR;
else
mcr &= ~MCS7840_UART_MCR_DTR;
sc->sc_ports[portno].sc_port_mcr = mcr;
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_MCR,
sc->sc_ports[pn].sc_port_mcr);
}
static void
umcs7840_rts(struct umcs7840_softc *sc, int portno, bool onoff)
{
int pn = sc->sc_ports[portno].sc_port_phys;
uint8_t mcr = sc->sc_ports[portno].sc_port_mcr;
if (onoff)
mcr |= MCS7840_UART_MCR_RTS;
else
mcr &= ~MCS7840_UART_MCR_RTS;
sc->sc_ports[portno].sc_port_mcr = mcr;
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_MCR,
sc->sc_ports[pn].sc_port_mcr);
}
static void
umcs7840_break(struct umcs7840_softc *sc, int portno, bool onoff)
{
int pn = sc->sc_ports[portno].sc_port_phys;
uint8_t lcr = sc->sc_ports[portno].sc_port_lcr;
if (onoff)
lcr |= MCS7840_UART_LCR_BREAK;
else
lcr &= ~MCS7840_UART_LCR_BREAK;
sc->sc_ports[portno].sc_port_lcr = lcr;
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_LCR,
sc->sc_ports[pn].sc_port_lcr);
}
static int
umcs7840_port_open(void *self, int portno)
{
struct umcs7840_softc *sc = self;
int pn = sc->sc_ports[portno].sc_port_phys;
int spreg = umcs7840_reg_sp(pn);
int ctrlreg = umcs7840_reg_ctrl(pn);
uint8_t data;
if (sc->sc_dying)
return EIO;
/* If it very first open, finish global configuration */
if (!sc->sc_init_done) {
if (umcs7840_get_reg(sc, MCS7840_DEV_REG_CONTROL1, &data))
return EIO;
data |= MCS7840_DEV_CONTROL1_DRIVER_DONE;
if (umcs7840_set_reg(sc, MCS7840_DEV_REG_CONTROL1, data))
return EIO;
sc->sc_init_done = 1;
}
/* Toggle reset bit on-off */
if (umcs7840_get_reg(sc, spreg, &data))
return EIO;
data |= MCS7840_DEV_SPx_UART_RESET;
if (umcs7840_set_reg(sc, spreg, data))
return EIO;
data &= ~MCS7840_DEV_SPx_UART_RESET;
if (umcs7840_set_reg(sc, spreg, data))
return EIO;
/* Set RS-232 mode */
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_SCRATCHPAD,
MCS7840_UART_SCRATCHPAD_RS232))
return EIO;
/* Disable RX on time of initialization */
if (umcs7840_get_reg(sc, ctrlreg, &data))
return EIO;
data |= MCS7840_DEV_CONTROLx_RX_DISABLE;
if (umcs7840_set_reg(sc, ctrlreg, data))
return EIO;
/* Disable all interrupts */
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_IER, 0))
return EIO;
/* Reset FIFO -- documented */
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_FCR, 0))
return EIO;
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_FCR,
MCS7840_UART_FCR_ENABLE | MCS7840_UART_FCR_FLUSHRHR |
MCS7840_UART_FCR_FLUSHTHR | MCS7840_UART_FCR_RTL_1_14))
return EIO;
/* Set 8 bit, no parity, 1 stop bit -- documented */
sc->sc_ports[pn].sc_port_lcr =
MCS7840_UART_LCR_DATALEN8 | MCS7840_UART_LCR_STOPB1;
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_LCR,
sc->sc_ports[pn].sc_port_lcr))
return EIO;
/*
* Enable DTR/RTS on modem control, enable modem interrupts --
* documented
*/
sc->sc_ports[pn].sc_port_mcr = MCS7840_UART_MCR_DTR
| MCS7840_UART_MCR_RTS | MCS7840_UART_MCR_IE;
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_MCR,
sc->sc_ports[pn].sc_port_mcr))
return EIO;
/* Clearing Bulkin and Bulkout FIFO */
if (umcs7840_get_reg(sc, spreg, &data))
return EIO;
data |= MCS7840_DEV_SPx_RESET_OUT_FIFO | MCS7840_DEV_SPx_RESET_IN_FIFO;
if (umcs7840_set_reg(sc, spreg, data))
return EIO;
data &= ~(MCS7840_DEV_SPx_RESET_OUT_FIFO
| MCS7840_DEV_SPx_RESET_IN_FIFO);
if (umcs7840_set_reg(sc, spreg, data))
return EIO;
/* Set speed 9600 */
if (umcs7840_set_baudrate(sc, pn, 9600))
return EIO;
/* Finally enable all interrupts -- documented */
/*
* Copied from vendor driver, I don't know why we should read LCR
* here
*/
if (umcs7840_get_UART_reg(sc, pn, MCS7840_UART_REG_LCR,
&sc->sc_ports[pn].sc_port_lcr))
return EIO;
if (umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_IER,
MCS7840_UART_IER_RXSTAT | MCS7840_UART_IER_MODEM))
return EIO;
/* Enable RX */
if (umcs7840_get_reg(sc, ctrlreg, &data))
return EIO;
data &= ~MCS7840_DEV_CONTROLx_RX_DISABLE;
if (umcs7840_set_reg(sc, ctrlreg, data))
return EIO;
return 0;
}
static void
umcs7840_port_close(void *self, int portno)
{
struct umcs7840_softc *sc = self;
int pn = sc->sc_ports[portno].sc_port_phys;
int ctrlreg = umcs7840_reg_ctrl(pn);
uint8_t data;
atomic_swap_32(&sc->sc_ports[portno].sc_port_changed, 0);
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_MCR, 0);
umcs7840_set_UART_reg(sc, pn, MCS7840_UART_REG_IER, 0);
/* Disable RX */
if (umcs7840_get_reg(sc, ctrlreg, &data))
return;
data |= MCS7840_DEV_CONTROLx_RX_DISABLE;
if (umcs7840_set_reg(sc, ctrlreg, data))
return;
}
static void
umcs7840_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct umcs7840_softc *sc = priv;
u_char *buf = sc->sc_intr_buf;
int actlen;
int subunit, found;
if (sc->sc_dying)
return;
found = 0;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
aprint_error_dev(sc->sc_dev,
"umcs7840_intr: abnormal status: %s\n",
usbd_errstr(status));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
usbd_get_xfer_status(xfer, NULL, NULL, &actlen, NULL);
if (actlen == 5 || actlen == 13) {
/* Check status of all ports */
for (subunit = 0; subunit < sc->sc_numports; subunit++) {
uint8_t pn = sc->sc_ports[subunit].sc_port_phys;
if (buf[pn] & MCS7840_UART_ISR_NOPENDING)
continue;
DPRINTF(("Port %d has pending interrupt: %02x "
"(FIFO: %02x)\n", pn,
buf[pn] & MCS7840_UART_ISR_INTMASK,
buf[pn] & (~MCS7840_UART_ISR_INTMASK)));
switch (buf[pn] & MCS7840_UART_ISR_INTMASK) {
case MCS7840_UART_ISR_RXERR:
case MCS7840_UART_ISR_RXHASDATA:
case MCS7840_UART_ISR_RXTIMEOUT:
case MCS7840_UART_ISR_MSCHANGE:
atomic_swap_32(
&sc->sc_ports[subunit].sc_port_changed,
1);
found++;
break;
default:
/* Do nothing */
break;
}
}
if (found)
workqueue_enqueue(sc->sc_change_wq, &sc->sc_work,
NULL);
} else {
device_printf(sc->sc_dev, "Invalid interrupt data length %d",
actlen);
}
}
static void
umcs7840_change_worker(struct work *w, void *arg)
{
struct umcs7840_softc *sc = arg;
int i;
for (i = 0; i < sc->sc_numports; i++) {
if (sc->sc_ports[i].sc_port_changed) {
ucom_status_change(device_private(
sc->sc_ports[i].sc_port_ucom));
atomic_swap_32(&sc->sc_ports[i].sc_port_changed, 0);
}
}
}

648
sys/dev/usb/umcs.h Normal file
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@ -0,0 +1,648 @@
/* $NetBSD: umcs.h,v 1.1 2014/03/16 09:34:45 martin Exp $ */
/* $FreeBSD: head/sys/dev/usb/serial/umcs.h 252123 2013-06-23 20:19:51Z thomas $ */
/*-
* Copyright (c) 2010 Lev Serebryakov <lev@FreeBSD.org>.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#ifndef _UMCS7840_H_
#define _UMCS7840_H_
#define UMCS7840_MAX_PORTS 4
#define UMCS7840_READ_LENGTH 1 /* bytes */
#define UMCS7840_CTRL_TIMEOUT 500 /* ms */
/* Read/Wrtire registers vendor commands */
#define MCS7840_RDREQ 0x0d
#define MCS7840_WRREQ 0x0e
/* Read/Wrtie EEPROM values */
#define MCS7840_EEPROM_RW_WVALUE 0x0900
/*
* All these registers are documented only in full datasheet,
* which can be requested from MosChip tech support.
*/
#define MCS7840_DEV_REG_SP1 0x00 /* Options for for UART 1, R/W */
#define MCS7840_DEV_REG_CONTROL1 0x01 /* Control bits for UART 1,
* R/W */
#define MCS7840_DEV_REG_PINPONGHIGH 0x02 /* High bits of ping-pong
* register, R/W */
#define MCS7840_DEV_REG_PINPONGLOW 0x03 /* Low bits of ping-pong
* register, R/W */
/* DCRx_1 Registers goes here (see below, they are documented) */
#define MCS7840_DEV_REG_GPIO 0x07 /* GPIO_0 and GPIO_1 bits,
* undocumented, see notes
* below R/W */
#define MCS7840_DEV_REG_SP2 0x08 /* Options for for UART 2, R/W */
#define MCS7840_DEV_REG_CONTROL2 0x09 /* Control bits for UART 2,
* R/W */
#define MCS7840_DEV_REG_SP3 0x0a /* Options for for UART 3, R/W */
#define MCS7840_DEV_REG_CONTROL3 0x0b /* Control bits for UART 3,
* R/W */
#define MCS7840_DEV_REG_SP4 0x0c /* Options for for UART 4, R/W */
#define MCS7840_DEV_REG_CONTROL4 0x0d /* Control bits for UART 4,
* R/W */
#define MCS7840_DEV_REG_PLL_DIV_M 0x0e /* Pre-diviedr for PLL, R/W */
#define MCS7840_DEV_REG_UNKNOWN1 0x0f /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_PLL_DIV_N 0x10 /* Loop divider for PLL, R/W */
#define MCS7840_DEV_REG_CLOCK_MUX 0x12 /* PLL input clock & Interrupt
* endpoint control, R/W */
#define MCS7840_DEV_REG_UNKNOWN2 0x11 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_CLOCK_SELECT12 0x13 /* Clock source for ports 1 &
* 2, R/W */
#define MCS7840_DEV_REG_CLOCK_SELECT34 0x14 /* Clock source for ports 3 &
* 4, R/W */
#define MCS7840_DEV_REG_UNKNOWN3 0x15 /* NOT MENTIONED AND NOT USED */
/* DCRx_2-DCRx_4 Registers goes here (see below, they are documented) */
#define MCS7840_DEV_REG_UNKNOWN4 0x1f /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWN5 0x20 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWN6 0x21 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWN7 0x22 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWN8 0x23 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWN9 0x24 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWNA 0x25 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWNB 0x26 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWNC 0x27 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWND 0x28 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWNE 0x29 /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_UNKNOWNF 0x2a /* NOT MENTIONED AND NOT USED */
#define MCS7840_DEV_REG_MODE 0x2b /* Hardware configuration,
* R/Only */
#define MCS7840_DEV_REG_SP1_ICG 0x2c /* Inter character gap
* configuration for Port 1,
* R/W */
#define MCS7840_DEV_REG_SP2_ICG 0x2d /* Inter character gap
* configuration for Port 2,
* R/W */
#define MCS7840_DEV_REG_SP3_ICG 0x2e /* Inter character gap
* configuration for Port 3,
* R/W */
#define MCS7840_DEV_REG_SP4_ICG 0x2f /* Inter character gap
* configuration for Port 4,
* R/W */
#define MCS7840_DEV_REG_RX_SAMPLING12 0x30 /* RX sampling for ports 1 &
* 2, R/W */
#define MCS7840_DEV_REG_RX_SAMPLING34 0x31 /* RX sampling for ports 3 &
* 4, R/W */
#define MCS7840_DEV_REG_BI_FIFO_STAT1 0x32 /* Bulk-In FIFO Stat for Port
* 1, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BO_FIFO_STAT1 0x33 /* Bulk-out FIFO Stat for Port
* 1, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BI_FIFO_STAT2 0x34 /* Bulk-In FIFO Stat for Port
* 2, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BO_FIFO_STAT2 0x35 /* Bulk-out FIFO Stat for Port
* 2, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BI_FIFO_STAT3 0x36 /* Bulk-In FIFO Stat for Port
* 3, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BO_FIFO_STAT3 0x37 /* Bulk-out FIFO Stat for Port
* 3, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BI_FIFO_STAT4 0x38 /* Bulk-In FIFO Stat for Port
* 4, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_BO_FIFO_STAT4 0x39 /* Bulk-out FIFO Stat for Port
* 4, contains number of
* availiable bytes, R/Only */
#define MCS7840_DEV_REG_ZERO_PERIOD1 0x3a /* Period between zero out
* frames for Port 1, R/W */
#define MCS7840_DEV_REG_ZERO_PERIOD2 0x3b /* Period between zero out
* frames for Port 1, R/W */
#define MCS7840_DEV_REG_ZERO_PERIOD3 0x3c /* Period between zero out
* frames for Port 1, R/W */
#define MCS7840_DEV_REG_ZERO_PERIOD4 0x3d /* Period between zero out
* frames for Port 1, R/W */
#define MCS7840_DEV_REG_ZERO_ENABLE 0x3e /* Enable/disable of zero out
* frames, R/W */
#define MCS7840_DEV_REG_THR_VAL_LOW1 0x3f /* Low 8 bits of threshhold
* value for Bulk-Out for Port
* 1, R/W */
#define MCS7840_DEV_REG_THR_VAL_HIGH1 0x40 /* High 1 bit of threshhold
* value for Bulk-Out and
* enable flag for Port 1, R/W */
#define MCS7840_DEV_REG_THR_VAL_LOW2 0x41 /* Low 8 bits of threshhold
* value for Bulk-Out for Port
* 2, R/W */
#define MCS7840_DEV_REG_THR_VAL_HIGH2 0x42 /* High 1 bit of threshhold
* value for Bulk-Out and
* enable flag for Port 2, R/W */
#define MCS7840_DEV_REG_THR_VAL_LOW3 0x43 /* Low 8 bits of threshhold
* value for Bulk-Out for Port
* 3, R/W */
#define MCS7840_DEV_REG_THR_VAL_HIGH3 0x44 /* High 1 bit of threshhold
* value for Bulk-Out and
* enable flag for Port 3, R/W */
#define MCS7840_DEV_REG_THR_VAL_LOW4 0x45 /* Low 8 bits of threshhold
* value for Bulk-Out for Port
* 4, R/W */
#define MCS7840_DEV_REG_THR_VAL_HIGH4 0x46 /* High 1 bit of threshhold
* value for Bulk-Out and
* enable flag for Port 4, R/W */
/* Bits for SPx registers */
#define MCS7840_DEV_SPx_LOOP_PIPES 0x01 /* Loop Bulk-Out FIFO to the
* Bulk-In FIFO, default = 0 */
#define MCS7840_DEV_SPx_SKIP_ERR_DATA 0x02 /* Drop data bytes from UART,
* which were recevied with
* errors, default = 0 */
#define MCS7840_DEV_SPx_RESET_OUT_FIFO 0x04 /* Reset Bulk-Out FIFO */
#define MCS7840_DEV_SPx_RESET_IN_FIFO 0x08 /* Reset Bulk-In FIFO */
#define MCS7840_DEV_SPx_CLOCK_MASK 0x70 /* Mask to extract Baud CLK
* source */
#define MCS7840_DEV_SPx_CLOCK_X1 0x00 /* CLK = 1.8432Mhz, max speed
* = 115200 bps, default */
#define MCS7840_DEV_SPx_CLOCK_X2 0x10 /* CLK = 3.6864Mhz, max speed
* = 230400 bps */
#define MCS7840_DEV_SPx_CLOCK_X35 0x20 /* CLK = 6.4512Mhz, max speed
* = 403200 bps */
#define MCS7840_DEV_SPx_CLOCK_X4 0x30 /* CLK = 7.3728Mhz, max speed
* = 460800 bps */
#define MCS7840_DEV_SPx_CLOCK_X7 0x40 /* CLK = 12.9024Mhz, max speed
* = 806400 bps */
#define MCS7840_DEV_SPx_CLOCK_X8 0x50 /* CLK = 14.7456Mhz, max speed
* = 921600 bps */
#define MCS7840_DEV_SPx_CLOCK_24MHZ 0x60 /* CLK = 24.0000Mhz, max speed
* = 1.5 Mbps */
#define MCS7840_DEV_SPx_CLOCK_48MHZ 0x70 /* CLK = 48.0000Mhz, max speed
* = 3.0 Mbps */
#define MCS7840_DEV_SPx_CLOCK_SHIFT 4 /* Value 0..7 can be shifted
* to get clock value */
#define MCS7840_DEV_SPx_UART_RESET 0x80 /* Reset UART */
/* Bits for CONTROLx registers */
#define MCS7840_DEV_CONTROLx_HWFC 0x01 /* Enable hardware flow
* control (when power
* down? It is unclear
* in documents),
* default = 0 */
#define MCS7840_DEV_CONTROLx_UNUNSED1 0x02 /* Reserved */
#define MCS7840_DEV_CONTROLx_CTS_ENABLE 0x04 /* CTS changes are
* translated to MSR,
* default = 0 */
#define MCS7840_DEV_CONTROLx_UNUSED2 0x08 /* Reserved for ports
* 2,3,4 */
#define MCS7840_DEV_CONTROL1_DRIVER_DONE 0x08 /* USB enumerating is
* finished, USB
* enumeration memory
* can be used as FIFOs */
#define MCS7840_DEV_CONTROLx_RX_NEGATE 0x10 /* Negate RX input,
* works for IrDA mode
* only, default = 0 */
#define MCS7840_DEV_CONTROLx_RX_DISABLE 0x20 /* Disable RX logic,
* works only for
* RS-232/RS-485 mode,
* default = 0 */
#define MCS7840_DEV_CONTROLx_FSM_CONTROL 0x40 /* Disable RX FSM when
* TX is in progress,
* works for IrDA mode
* only, default = 0 */
#define MCS7840_DEV_CONTROLx_UNUSED3 0x80 /* Reserved */
/*
* Bits for PINPONGx registers
* These registers control how often two input buffers
* for Bulk-In FIFOs are swapped. One of buffers is used
* for USB trnasfer, other for receiving data from UART.
* Exact meaning of 15 bit value in these registers is unknown
*/
#define MCS7840_DEV_PINPONGHIGH_MULT 128 /* Only 7 bits in PINPONGLOW
* register */
#define MCS7840_DEV_PINPONGLOW_BITS 7 /* Only 7 bits in PINPONGLOW
* register */
/*
* THIS ONE IS UNDOCUMENTED IN FULL DATASHEET, but e-mail from tech support
* confirms, that it is register for GPIO_0 and GPIO_1 data input/output.
* Chips has 2 GPIO, but first one (lower bit) MUST be used by device
* authors as "number of port" indicator, grounded (0) for two-port
* devices and pulled-up to 1 for 4-port devices.
*/
#define MCS7840_DEV_GPIO_4PORTS 0x01 /* Device has 4 ports
* configured */
#define MCS7840_DEV_GPIO_GPIO_0 0x01 /* The same as above */
#define MCS7840_DEV_GPIO_GPIO_1 0x02 /* GPIO_1 data */
/*
* Constants for PLL dividers
* Ouptut frequency of PLL is:
* Fout = (N/M) * Fin.
* Default PLL input frequency Fin is 12Mhz (on-chip).
*/
#define MCS7840_DEV_PLL_DIV_M_BITS 6 /* Number of useful bits for M
* divider */
#define MCS7840_DEV_PLL_DIV_M_MASK 0x3f /* Mask for M divider */
#define MCS7840_DEV_PLL_DIV_M_MIN 1 /* Minimum value for M, 0 is
* forbidden */
#define MCS7840_DEV_PLL_DIV_M_DEF 1 /* Default value for M */
#define MCS7840_DEV_PLL_DIV_M_MAX 63 /* Maximum value for M */
#define MCS7840_DEV_PLL_DIV_N_BITS 6 /* Number of useful bits for N
* divider */
#define MCS7840_DEV_PLL_DIV_N_MASK 0x3f /* Mask for N divider */
#define MCS7840_DEV_PLL_DIV_N_MIN 1 /* Minimum value for N, 0 is
* forbidden */
#define MCS7840_DEV_PLL_DIV_N_DEF 8 /* Default value for N */
#define MCS7840_DEV_PLL_DIV_N_MAX 63 /* Maximum value for N */
/* Bits for CLOCK_MUX register */
#define MCS7840_DEV_CLOCK_MUX_INPUTMASK 0x03 /* Mask to extract PLL clock
* input */
#define MCS7840_DEV_CLOCK_MUX_IN12MHZ 0x00 /* 12Mhz PLL input, default */
#define MCS7840_DEV_CLOCK_MUX_INEXTRN 0x01 /* External (device-depended)
* PLL input */
#define MCS7840_DEV_CLOCK_MUX_INRSV1 0x02 /* Reserved */
#define MCS7840_DEV_CLOCK_MUX_INRSV2 0x03 /* Reserved */
#define MCS7840_DEV_CLOCK_MUX_PLLHIGH 0x04 /* 0 = PLL Output is
* 20MHz-100MHz (default), 1 =
* 100MHz-300MHz range */
#define MCS7840_DEV_CLOCK_MUX_INTRFIFOS 0x08 /* Enable additional 8 bytes
* fro Interrupt USB pipe with
* USB FIFOs statuses, default
* = 0 */
#define MCS7840_DEV_CLOCK_MUX_RESERVED1 0x10 /* Unused */
#define MCS7840_DEV_CLOCK_MUX_RESERVED2 0x20 /* Unused */
#define MCS7840_DEV_CLOCK_MUX_RESERVED3 0x40 /* Unused */
#define MCS7840_DEV_CLOCK_MUX_RESERVED4 0x80 /* Unused */
/* Bits for CLOCK_SELECTxx registers */
#define MCS7840_DEV_CLOCK_SELECT1_MASK 0x07 /* Bits for port 1 in
* CLOCK_SELECT12 */
#define MCS7840_DEV_CLOCK_SELECT1_SHIFT 0 /* Shift for port 1in
* CLOCK_SELECT12 */
#define MCS7840_DEV_CLOCK_SELECT2_MASK 0x38 /* Bits for port 2 in
* CLOCK_SELECT12 */
#define MCS7840_DEV_CLOCK_SELECT2_SHIFT 3 /* Shift for port 2 in
* CLOCK_SELECT12 */
#define MCS7840_DEV_CLOCK_SELECT3_MASK 0x07 /* Bits for port 3 in
* CLOCK_SELECT23 */
#define MCS7840_DEV_CLOCK_SELECT3_SHIFT 0 /* Shift for port 3 in
* CLOCK_SELECT23 */
#define MCS7840_DEV_CLOCK_SELECT4_MASK 0x38 /* Bits for port 4 in
* CLOCK_SELECT23 */
#define MCS7840_DEV_CLOCK_SELECT4_SHIFT 3 /* Shift for port 4 in
* CLOCK_SELECT23 */
#define MCS7840_DEV_CLOCK_SELECT_STD 0x00 /* STANDARD baudrate derived
* from 96Mhz, default for all
* ports */
#define MCS7840_DEV_CLOCK_SELECT_30MHZ 0x01 /* 30Mhz */
#define MCS7840_DEV_CLOCK_SELECT_96MHZ 0x02 /* 96Mhz direct */
#define MCS7840_DEV_CLOCK_SELECT_120MHZ 0x03 /* 120Mhz */
#define MCS7840_DEV_CLOCK_SELECT_PLL 0x04 /* PLL output (see for M and N
* dividers) */
#define MCS7840_DEV_CLOCK_SELECT_EXT 0x05 /* External clock input
* (device-dependend) */
#define MCS7840_DEV_CLOCK_SELECT_RES1 0x06 /* Unused */
#define MCS7840_DEV_CLOCK_SELECT_RES2 0x07 /* Unused */
/* Bits for MODE register */
#define MCS7840_DEV_MODE_RESERVED1 0x01 /* Unused */
#define MCS7840_DEV_MODE_RESET 0x02 /* 0: RESET = Active High
* (default), 1: Reserved (?) */
#define MCS7840_DEV_MODE_SER_PRSNT 0x04 /* 0: Reserved, 1: Do not use
* hardocded values (default)
* (?) */
#define MCS7840_DEV_MODE_PLLBYPASS 0x08 /* 1: PLL output is bypassed,
* default = 0 */
#define MCS7840_DEV_MODE_PORBYPASS 0x10 /* 1: Power-On Reset is
* bypassed, default = 0 */
#define MCS7840_DEV_MODE_SELECT24S 0x20 /* 0: 4 Serial Ports / IrDA
* active, 1: 2 Serial Ports /
* IrDA active */
#define MCS7840_DEV_MODE_EEPROMWR 0x40 /* EEPROM write is enabled,
* default */
#define MCS7840_DEV_MODE_IRDA 0x80 /* IrDA mode is activated
* (could be turned on),
* default */
/* Bits for SPx ICG */
#define MCS7840_DEV_SPx_ICG_DEF 0x24 /* All 8 bits is used as
* number of BAUD clocks of
* pause */
/*
* Bits for RX_SAMPLINGxx registers
* These registers control when bit value will be sampled within
* the baud period.
* 0 is very beginning of period, 15 is very end, 7 is the middle.
*/
#define MCS7840_DEV_RX_SAMPLING1_MASK 0x0f /* Bits for port 1 in
* RX_SAMPLING12 */
#define MCS7840_DEV_RX_SAMPLING1_SHIFT 0 /* Shift for port 1in
* RX_SAMPLING12 */
#define MCS7840_DEV_RX_SAMPLING2_MASK 0xf0 /* Bits for port 2 in
* RX_SAMPLING12 */
#define MCS7840_DEV_RX_SAMPLING2_SHIFT 4 /* Shift for port 2 in
* RX_SAMPLING12 */
#define MCS7840_DEV_RX_SAMPLING3_MASK 0x0f /* Bits for port 3 in
* RX_SAMPLING23 */
#define MCS7840_DEV_RX_SAMPLING3_SHIFT 0 /* Shift for port 3 in
* RX_SAMPLING23 */
#define MCS7840_DEV_RX_SAMPLING4_MASK 0xf0 /* Bits for port 4 in
* RX_SAMPLING23 */
#define MCS7840_DEV_RX_SAMPLING4_SHIFT 4 /* Shift for port 4 in
* RX_SAMPLING23 */
#define MCS7840_DEV_RX_SAMPLINGx_MIN 0 /* Max for any RX Sampling */
#define MCS7840_DEV_RX_SAMPLINGx_DEF 7 /* Default for any RX
* Sampling, center of period */
#define MCS7840_DEV_RX_SAMPLINGx_MAX 15 /* Min for any RX Sampling */
/* Bits for ZERO_PERIODx */
#define MCS7840_DEV_ZERO_PERIODx_DEF 20 /* Number of Bulk-in requests
* befor sending zero-sized
* reply */
/* Bits for ZERO_ENABLE */
#define MCS7840_DEV_ZERO_ENABLE_PORT1 0x01 /* Enable of sending
* zero-sized replies for port
* 1, default */
#define MCS7840_DEV_ZERO_ENABLE_PORT2 0x02 /* Enable of sending
* zero-sized replies for port
* 2, default */
#define MCS7840_DEV_ZERO_ENABLE_PORT3 0x04 /* Enable of sending
* zero-sized replies for port
* 3, default */
#define MCS7840_DEV_ZERO_ENABLE_PORT4 0x08 /* Enable of sending
* zero-sized replies for port
* 4, default */
/* Bits for THR_VAL_HIGHx */
#define MCS7840_DEV_THR_VAL_HIGH_MASK 0x01 /* Only one bit is used */
#define MCS7840_DEV_THR_VAL_HIGH_MUL 256 /* This one bit is means "256" */
#define MCS7840_DEV_THR_VAL_HIGH_SHIFT 8 /* This one bit is means "256" */
#define MCS7840_DEV_THR_VAL_HIGH_ENABLE 0x80 /* Enable threshold */
/* These are documented in "public" datasheet */
#define MCS7840_DEV_REG_DCR0_1 0x04 /* Device contol register 0 for Port
* 1, R/W */
#define MCS7840_DEV_REG_DCR1_1 0x05 /* Device contol register 1 for Port
* 1, R/W */
#define MCS7840_DEV_REG_DCR2_1 0x06 /* Device contol register 2 for Port
* 1, R/W */
#define MCS7840_DEV_REG_DCR0_2 0x16 /* Device contol register 0 for Port
* 2, R/W */
#define MCS7840_DEV_REG_DCR1_2 0x17 /* Device contol register 1 for Port
* 2, R/W */
#define MCS7840_DEV_REG_DCR2_2 0x18 /* Device contol register 2 for Port
* 2, R/W */
#define MCS7840_DEV_REG_DCR0_3 0x19 /* Device contol register 0 for Port
* 3, R/W */
#define MCS7840_DEV_REG_DCR1_3 0x1a /* Device contol register 1 for Port
* 3, R/W */
#define MCS7840_DEV_REG_DCR2_3 0x1b /* Device contol register 2 for Port
* 3, R/W */
#define MCS7840_DEV_REG_DCR0_4 0x1c /* Device contol register 0 for Port
* 4, R/W */
#define MCS7840_DEV_REG_DCR1_4 0x1d /* Device contol register 1 for Port
* 4, R/W */
#define MCS7840_DEV_REG_DCR2_4 0x1e /* Device contol register 2 for Port
* 4, R/W */
/* Bits of DCR0 registers, documented in datasheet */
#define MCS7840_DEV_DCR0_PWRSAVE 0x01 /* Shutdown transiver
* when USB Suspend is
* engaged, default = 1 */
#define MCS7840_DEV_DCR0_RESERVED1 0x02 /* Unused */
#define MCS7840_DEV_DCR0_GPIO_MODE_MASK 0x0c /* GPIO Mode bits, WORKS
* ONLY FOR PORT 1 */
#define MCS7840_DEV_DCR0_GPIO_MODE_IN 0x00 /* GPIO Mode - Input
* (0b00), WORKS ONLY
* FOR PORT 1 */
#define MCS7840_DEV_DCR0_GPIO_MODE_OUT 0x08 /* GPIO Mode - Input
* (0b10), WORKS ONLY
* FOR PORT 1 */
#define MCS7840_DEV_DCR0_RTS_ACTIVE_HIGH 0x10 /* RTS Active is HIGH,
* default = 0 (low) */
#define MCS7840_DEV_DCR0_RTS_AUTO 0x20 /* RTS is controlled by
* state of TX buffer,
* default = 0
* (controlled by MCR) */
#define MCS7840_DEV_DCR0_IRDA 0x40 /* IrDA mode */
#define MCS7840_DEV_DCR0_RESERVED2 0x80 /* Unused */
/* Bits of DCR1 registers, documented in datasheet */
#define MCS7840_DEV_DCR1_GPIO_CURRENT_MASK 0x03 /* Mask to extract GPIO
* current value, WORKS
* ONLY FOR PORT 1 */
#define MCS7840_DEV_DCR1_GPIO_CURRENT_6MA 0x00 /* GPIO output current
* 6mA, WORKS ONLY FOR
* PORT 1 */
#define MCS7840_DEV_DCR1_GPIO_CURRENT_8MA 0x01 /* GPIO output current
* 8mA, defauilt, WORKS
* ONLY FOR PORT 1 */
#define MCS7840_DEV_DCR1_GPIO_CURRENT_10MA 0x02 /* GPIO output current
* 10mA, WORKS ONLY FOR
* PORT 1 */
#define MCS7840_DEV_DCR1_GPIO_CURRENT_12MA 0x03 /* GPIO output current
* 12mA, WORKS ONLY FOR
* PORT 1 */
#define MCS7840_DEV_DCR1_UART_CURRENT_MASK 0x0c /* Mask to extract UART
* signals current value */
#define MCS7840_DEV_DCR1_UART_CURRENT_6MA 0x00 /* UART output current
* 6mA */
#define MCS7840_DEV_DCR1_UART_CURRENT_8MA 0x04 /* UART output current
* 8mA, defauilt */
#define MCS7840_DEV_DCR1_UART_CURRENT_10MA 0x08 /* UART output current
* 10mA */
#define MCS7840_DEV_DCR1_UART_CURRENT_12MA 0x0c /* UART output current
* 12mA */
#define MCS7840_DEV_DCR1_WAKEUP_DISABLE 0x10 /* Disable Remote USB
* Wakeup */
#define MCS7840_DEV_DCR1_PLLPWRDOWN_DISABLE 0x20 /* Disable PLL power
* down when not needed,
* WORKS ONLY FOR PORT 1 */
#define MCS7840_DEV_DCR1_LONG_INTERRUPT 0x40 /* Enable 13 bytes of
* interrupt data, with
* FIFO statistics,
* WORKS ONLY FOR PORT 1 */
#define MCS7840_DEV_DCR1_RESERVED1 0x80 /* Unused */
/*
* Bits of DCR2 registers, documented in datasheet
* Wakeup will work only if DCR0_IRDA = 0 (RS-xxx mode) and
* DCR1_WAKEUP_DISABLE = 0 (wakeup enabled).
*/
#define MCS7840_DEV_DCR2_WAKEUP_CTS 0x01 /* Wakeup on CTS change,
* default = 0 */
#define MCS7840_DEV_DCR2_WAKEUP_DCD 0x02 /* Wakeup on DCD change,
* default = 0 */
#define MCS7840_DEV_DCR2_WAKEUP_RI 0x04 /* Wakeup on RI change,
* default = 1 */
#define MCS7840_DEV_DCR2_WAKEUP_DSR 0x08 /* Wakeup on DSR change,
* default = 0 */
#define MCS7840_DEV_DCR2_WAKEUP_RXD 0x10 /* Wakeup on RX Data change,
* default = 0 */
#define MCS7840_DEV_DCR2_WAKEUP_RESUME 0x20 /* Wakeup issues RESUME
* signal, DISCONNECT
* otherwise, default = 1 */
#define MCS7840_DEV_DCR2_RESERVED1 0x40 /* Unused */
#define MCS7840_DEV_DCR2_SHDN_POLARITY 0x80 /* 0: Pin 12 Active Low, 1:
* Pin 12 Active High, default
* = 0 */
/* Interrupt endpoint bytes & bits */
#define MCS7840_IEP_FIFO_STATUS_INDEX 5
/*
* Thesse can be calculated as "1 << portnumber" for Bulk-out and
* "1 << (portnumber+1)" for Bulk-in
*/
#define MCS7840_IEP_BO_PORT1_HASDATA 0x01
#define MCS7840_IEP_BI_PORT1_HASDATA 0x02
#define MCS7840_IEP_BO_PORT2_HASDATA 0x04
#define MCS7840_IEP_BI_PORT2_HASDATA 0x08
#define MCS7840_IEP_BO_PORT3_HASDATA 0x10
#define MCS7840_IEP_BI_PORT3_HASDATA 0x20
#define MCS7840_IEP_BO_PORT4_HASDATA 0x40
#define MCS7840_IEP_BI_PORT4_HASDATA 0x80
/* Documented UART registers (fully compatible with 16550 UART) */
#define MCS7840_UART_REG_THR 0x00 /* Transmitter Holding
* Register W/Only */
#define MCS7840_UART_REG_RHR 0x00 /* Receiver Holding Register
* R/Only */
#define MCS7840_UART_REG_IER 0x01 /* Interrupt enable register -
* R/W */
#define MCS7840_UART_REG_FCR 0x02 /* FIFO Control register -
* W/Only */
#define MCS7840_UART_REG_ISR 0x02 /* Interrupt Status Registter
* R/Only */
#define MCS7840_UART_REG_LCR 0x03 /* Line control register R/W */
#define MCS7840_UART_REG_MCR 0x04 /* Modem control register R/W */
#define MCS7840_UART_REG_LSR 0x05 /* Line status register R/Only */
#define MCS7840_UART_REG_MSR 0x06 /* Modem status register
* R/Only */
#define MCS7840_UART_REG_SCRATCHPAD 0x07 /* Scratch pad register */
#define MCS7840_UART_REG_DLL 0x00 /* Low bits of BAUD divider */
#define MCS7840_UART_REG_DLM 0x01 /* High bits of BAUD divider */
/* IER bits */
#define MCS7840_UART_IER_RXREADY 0x01 /* RX Ready interrumpt mask */
#define MCS7840_UART_IER_TXREADY 0x02 /* TX Ready interrumpt mask */
#define MCS7840_UART_IER_RXSTAT 0x04 /* RX Status interrumpt mask */
#define MCS7840_UART_IER_MODEM 0x08 /* Modem status change
* interrumpt mask */
#define MCS7840_UART_IER_SLEEP 0x10 /* SLEEP enable */
/* FCR bits */
#define MCS7840_UART_FCR_ENABLE 0x01 /* Enable FIFO */
#define MCS7840_UART_FCR_FLUSHRHR 0x02 /* Flush RHR and FIFO */
#define MCS7840_UART_FCR_FLUSHTHR 0x04 /* Flush THR and FIFO */
#define MCS7840_UART_FCR_RTLMASK 0xa0 /* Mask to select RHR
* Interrupt Trigger level */
#define MCS7840_UART_FCR_RTL_1_1 0x00 /* L1 = 1, L2 = 1 */
#define MCS7840_UART_FCR_RTL_1_4 0x40 /* L1 = 1, L2 = 4 */
#define MCS7840_UART_FCR_RTL_1_8 0x80 /* L1 = 1, L2 = 8 */
#define MCS7840_UART_FCR_RTL_1_14 0xa0 /* L1 = 1, L2 = 14 */
/* ISR bits */
#define MCS7840_UART_ISR_NOPENDING 0x01 /* No interrupt pending */
#define MCS7840_UART_ISR_INTMASK 0x3f /* Mask to select interrupt
* source */
#define MCS7840_UART_ISR_RXERR 0x06 /* Recevir error */
#define MCS7840_UART_ISR_RXHASDATA 0x04 /* Recevier has data */
#define MCS7840_UART_ISR_RXTIMEOUT 0x0c /* Recevier timeout */
#define MCS7840_UART_ISR_TXEMPTY 0x02 /* Transmitter empty */
#define MCS7840_UART_ISR_MSCHANGE 0x00 /* Modem status change */
/* LCR bits */
#define MCS7840_UART_LCR_DATALENMASK 0x03 /* Mask for data length */
#define MCS7840_UART_LCR_DATALEN5 0x00 /* 5 data bits */
#define MCS7840_UART_LCR_DATALEN6 0x01 /* 6 data bits */
#define MCS7840_UART_LCR_DATALEN7 0x02 /* 7 data bits */
#define MCS7840_UART_LCR_DATALEN8 0x03 /* 8 data bits */
#define MCS7840_UART_LCR_STOPBMASK 0x04 /* Mask for stop bits */
#define MCS7840_UART_LCR_STOPB1 0x00 /* 1 stop bit in any case */
#define MCS7840_UART_LCR_STOPB2 0x04 /* 1.5-2 stop bits depends on
* data length */
#define MCS7840_UART_LCR_PARITYMASK 0x38 /* Mask for all parity data */
#define MCS7840_UART_LCR_PARITYON 0x08 /* Parity ON/OFF - ON */
#define MCS7840_UART_LCR_PARITYODD 0x00 /* Parity Odd */
#define MCS7840_UART_LCR_PARITYEVEN 0x10 /* Parity Even */
#define MCS7840_UART_LCR_PARITYODD 0x00 /* Parity Odd */
#define MCS7840_UART_LCR_PARITYFORCE 0x20 /* Force parity odd/even */
#define MCS7840_UART_LCR_BREAK 0x40 /* Send BREAK */
#define MCS7840_UART_LCR_DIVISORS 0x80 /* Map DLL/DLM instead of
* xHR/IER */
/* LSR bits */
#define MCS7840_UART_LSR_RHRAVAIL 0x01 /* Data available for read */
#define MCS7840_UART_LSR_RHROVERRUN 0x02 /* Data FIFO/register overflow */
#define MCS7840_UART_LSR_PARITYERR 0x04 /* Parity error */
#define MCS7840_UART_LSR_FRAMEERR 0x10 /* Framing error */
#define MCS7840_UART_LSR_BREAKERR 0x20 /* BREAK signal received */
#define MCS7840_UART_LSR_THREMPTY 0x40 /* THR register is empty,
* ready for transmit */
#define MCS7840_UART_LSR_HASERR 0x80 /* Has error in receiver FIFO */
/* MCR bits */
#define MCS7840_UART_MCR_DTR 0x01 /* Force DTR to be active
* (low) */
#define MCS7840_UART_MCR_RTS 0x02 /* Force RTS to be active
* (low) */
#define MCS7840_UART_MCR_IE 0x04 /* Enable interrupts (from
* code, not documented) */
#define MCS7840_UART_MCR_LOOPBACK 0x10 /* Enable local loopback test
* mode */
#define MCS7840_UART_MCR_CTSRTS 0x20 /* Enable CTS/RTS flow control
* in 550 (FIFO) mode */
#define MCS7840_UART_MCR_DTRDSR 0x40 /* Enable DTR/DSR flow control
* in 550 (FIFO) mode */
#define MCS7840_UART_MCR_DCD 0x80 /* Enable DCD flow control in
* 550 (FIFO) mode */
/* MSR bits */
#define MCS7840_UART_MSR_DELTACTS 0x01 /* CTS was changed since last
* read */
#define MCS7840_UART_MSR_DELTADSR 0x02 /* DSR was changed since last
* read */
#define MCS7840_UART_MSR_DELTARI 0x04 /* RI was changed from low to
* high since last read */
#define MCS7840_UART_MSR_DELTADCD 0x08 /* DCD was changed since last
* read */
#define MCS7840_UART_MSR_NEGCTS 0x10 /* Negated CTS signal */
#define MCS7840_UART_MSR_NEGDSR 0x20 /* Negated DSR signal */
#define MCS7840_UART_MSR_NEGRI 0x40 /* Negated RI signal */
#define MCS7840_UART_MSR_NEGDCD 0x80 /* Negated DCD signal */
/* SCRATCHPAD bits */
#define MCS7840_UART_SCRATCHPAD_RS232 0x00 /* RS-485 disabled */
#define MCS7840_UART_SCRATCHPAD_RS485_DTRRX 0x80 /* RS-485 mode, DTR High
* = RX */
#define MCS7840_UART_SCRATCHPAD_RS485_DTRTX 0xc0 /* RS-485 mode, DTR High
* = TX */
#define MCS7840_CONFIG_INDEX 0
#define MCS7840_IFACE_INDEX 0
#endif

View File

@ -1,4 +1,4 @@
# $NetBSD: usbdevices.config,v 1.23 2013/10/26 09:16:20 nonaka Exp $
# $NetBSD: usbdevices.config,v 1.24 2014/03/16 09:34:45 martin Exp $
#
# This file contains all USB related configuration.
# It is suitable for inclusion in a kernel config(5) file.
@ -168,8 +168,12 @@ ucom* at uslsa? portno ?
uvscom* at uhub? port ? # SUNTAC Slipper U VS-10U serial adapter
ucom* at uvscom? portno ?
moscom* at uhub? port ? # Moschip MCS7xxx serial adaapter
ucom* at moscom? portno ?
# All chips supported by this driver are also supported by umcs(4).
# moscom* at uhub? port ? # Moschip MCS7xxx serial adapter
# ucom* at moscom? portno ?
umcs* at uhub? port ? # Moschip MCS7xxx serial adapter
ucom* at umcs? portno ?
# RIM BlackBerry
uberry* at uhub? port ?