/*
* Initialize
*/
static int
serial_init(void)
{
DPRINTF(("serial_init\n"));
/* Initialize port */
if (port_init() == -1)
return -1;
#if defined(DEBUG) && defined(CONFIG_DIAG_SERIAL)
debug_attach(diag_print);
#endif
tty_init(&serial_tty); /* init data */
serial_tty.t_oproc = serial_start;
serial_tty.t_winsize.ws_row = (u_short)TERM_ROWS;
serial_tty.t_winsize.ws_col = (u_short)TERM_COLS;
serial_dev = tty_attach("console", &serial_tty);
tty_dev = tty_attach("tty", &serial_tty);
ASSERT(tty_dev);
return 0;
}
/*
* Init
*/
static int
console_init(void)
{
struct bootinfo *bootinfo;
machine_bootinfo(&bootinfo);
cols = bootinfo->video.text_x;
rows = bootinfo->video.text_y;
esc_index = 0;
attrib = 0x0F;
vram = phys_to_virt((void *)VID_RAM);
reset_cursor();
#if defined(DEBUG) && defined(CONFIG_DIAG_SCREEN)
debug_attach(console_puts);
#endif
tty_init(&console_tty); /* init data */
console_tty.t_oproc = console_start;
console_tty.t_winsize.ws_row = (u_short)rows;
console_tty.t_winsize.ws_col = (u_short)cols;
console_dev = tty_attach("console", &console_tty);
tty_dev = tty_attach("tty", &console_tty);
ASSERT(tty_dev);
return 0;
}
/*
* Allocate a new console device and a tty to handle console ioctls.
*/
int
nullcons_newdev(struct consdev *cn)
{
int error;
int bmajor = -1, cmajor = -1;
if ((cn == NULL) || (cn->cn_pri != CN_NULL) || (cn->cn_dev != NODEV))
return 0;
/*
* Attach no-op device to the device list.
*/
error = devsw_attach("nullcn", NULL, &bmajor, &nullcn_devsw, &cmajor);
if (error != 0)
return error;
/*
* Allocate tty (mostly to have sane ioctl()).
*/
nulltty = tty_alloc();
nulltty->t_dev = makedev(cmajor, 0);
tty_attach(nulltty);
cn->cn_dev = nulltty->t_dev;
return 0;
}
int main(int argc, char ** argv)
{
usb_cdc_class_t * cdc;
FILE * f_tty;
FILE * f_raw;
struct tty_dev * tty;
int i;
DCC_LOG_INIT();
DCC_LOG_CONNECT();
DCC_LOG(LOG_TRACE, "1. cm3_udelay_calibrate()");
cm3_udelay_calibrate();
DCC_LOG(LOG_TRACE, "2. thinkos_init()");
thinkos_init(THINKOS_OPT_PRIORITY(8) | THINKOS_OPT_ID(7));
DCC_LOG(LOG_TRACE, "usb_cdc_init()");
cdc = usb_cdc_init(&stm32f_otg_fs_dev, *((uint64_t *)STM32F_UID));
DCC_LOG(LOG_TRACE, "usb_cdc_fopen()");
f_raw = usb_cdc_fopen(cdc);
tty = tty_attach(f_raw);
f_tty = tty_fopen(tty);
for (i = 0; ;i++) {
// usb_xmodem_recv(cdc);
thinkos_sleep(2000);
fprintf(f_tty, "[%d] hello world...\n", i);
}
return 0;
}
static void
dl_attach (struct device *parent, struct device *self, void *aux)
{
struct dl_softc *sc = device_private(self);
struct uba_attach_args *ua = aux;
sc->sc_iot = ua->ua_iot;
sc->sc_ioh = ua->ua_ioh;
/* Tidy up the device */
DL_WRITE_WORD(DL_UBA_RCSR, DL_RCSR_RXIE);
DL_WRITE_WORD(DL_UBA_XCSR, DL_XCSR_TXIE);
/* Initialize our softc structure. Should be done in open? */
sc->sc_tty = ttymalloc();
tty_attach(sc->sc_tty);
/* Now register the TX & RX interrupt handlers */
uba_intr_establish(ua->ua_icookie, ua->ua_cvec,
dlxint, sc, &sc->sc_tintrcnt);
uba_intr_establish(ua->ua_icookie, ua->ua_cvec - 4,
dlrint, sc, &sc->sc_rintrcnt);
evcnt_attach_dynamic(&sc->sc_rintrcnt, EVCNT_TYPE_INTR, ua->ua_evcnt,
device_xname(&sc->sc_dev), "rintr");
evcnt_attach_dynamic(&sc->sc_tintrcnt, EVCNT_TYPE_INTR, ua->ua_evcnt,
device_xname(&sc->sc_dev), "tintr");
printf("\n");
}
void
serial_attach(struct serial_ops *ops, struct serial_port *port)
{
struct serial_softc *sc;
device_t dev;
int diag = 0;
dev = device_create(&serial_driver, "tty", D_CHR|D_TTY);
sc = device_private(dev);
sc->dev = dev;
sc->ops = ops;
sc->port = port;
tty_attach(&sc->tty);
sc->tty.t_dev = dev;
sc->tty.t_oproc = serial_start;
/* Start device */
port->tty = &sc->tty;
ops->start(port);
#ifdef CONFIG_DIAG_SERIAL
diag = 1;
#endif
serial_consdev.dev = dev;
cons_attach(&serial_consdev, diag);
}
void relay(int s)
{
char buf[8192];
int n;
fd_set readfds;
struct ttys *ttyp;
/* Don't need our data anymore */
/* XXX This makes SunOS barf */
/* brk(0); */
signal(SIGQUIT, slirp_exit);
signal(SIGHUP, slirp_exit);
signal(SIGINT, slirp_exit);
signal(SIGTERM, slirp_exit);
/* Fudge to get term_raw and term_restore to work */
if (NULL == (ttyp = tty_attach (0, slirp_tty))) {
lprint ("Error: tty_attach failed in misc.c:relay()\r\n");
slirp_exit (1);
}
ttyp->fd = 0;
ttyp->flags |= TTY_CTTY;
term_raw(ttyp);
while (1) {
FD_ZERO(&readfds);
FD_SET(0, &readfds);
FD_SET(s, &readfds);
n = select(s+1, &readfds, (fd_set *)0, (fd_set *)0, (struct timeval *)0);
if (n <= 0)
slirp_exit(0);
if (FD_ISSET(0, &readfds)) {
n = read(0, buf, 8192);
if (n <= 0)
slirp_exit(0);
n = writen(s, buf, n);
if (n <= 0)
slirp_exit(0);
}
if (FD_ISSET(s, &readfds)) {
n = read(s, buf, 8192);
if (n <= 0)
slirp_exit(0);
n = writen(0, buf, n);
if (n <= 0)
slirp_exit(0);
}
}
/* Just in case.... */
exit(1);
}
void
clmpcc_attach(struct clmpcc_softc *sc)
{
struct clmpcc_chan *ch;
struct tty *tp;
int chan;
if ( cons_sc != NULL &&
sc->sc_iot == cons_sc->sc_iot && sc->sc_ioh == cons_sc->sc_ioh )
cons_sc = sc;
/* Initialise the chip */
clmpcc_init(sc);
printf(": Cirrus Logic CD240%c Serial Controller\n",
(clmpcc_rd_msvr(sc) & CLMPCC_MSVR_PORT_ID) ? '0' : '1');
sc->sc_softintr_cookie =
softint_establish(SOFTINT_SERIAL, clmpcc_softintr, sc);
if (sc->sc_softintr_cookie == NULL)
panic("clmpcc_attach: softintr_establish");
memset(&(sc->sc_chans[0]), 0, sizeof(sc->sc_chans));
for (chan = 0; chan < CLMPCC_NUM_CHANS; chan++) {
ch = &sc->sc_chans[chan];
ch->ch_sc = sc;
ch->ch_car = chan;
tp = tty_alloc();
tp->t_oproc = clmpcc_start;
tp->t_param = clmpcc_param;
ch->ch_tty = tp;
ch->ch_ibuf = malloc(clmpcc_ibuf_size * 2, M_DEVBUF, M_NOWAIT);
if ( ch->ch_ibuf == NULL ) {
aprint_error_dev(sc->sc_dev, "(%d): unable to allocate ring buffer\n",
chan);
return;
}
ch->ch_ibuf_end = &(ch->ch_ibuf[clmpcc_ibuf_size * 2]);
ch->ch_ibuf_rd = ch->ch_ibuf_wr = ch->ch_ibuf;
tty_attach(tp);
}
aprint_error_dev(sc->sc_dev, "%d channels available",
CLMPCC_NUM_CHANS);
if ( cons_sc == sc ) {
printf(", console on channel %d.\n", cons_chan);
SET(sc->sc_chans[cons_chan].ch_flags, CLMPCC_FLG_IS_CONSOLE);
SET(sc->sc_chans[cons_chan].ch_openflags, TIOCFLAG_SOFTCAR);
} else
printf(".\n");
}
/*
* Prepare the console tty; called on first open of /dev/console
*/
static void
kd_init(struct kd_softc *kd)
{
struct tty *tp;
tp = tty_alloc();
callout_setfunc(&tp->t_rstrt_ch, kd_later, tp);
tp->t_oproc = kdstart;
tp->t_param = kdparam;
tp->t_dev = makedev(cdevsw_lookup_major(&kd_cdevsw), 0);
tty_attach(tp);
kd->kd_tty = tp;
/*
* Get the console struct winsize.
*/
#if defined(RASTERCONSOLE) && NFB > 0
/* If the raster console driver is attached, copy its size */
kd->rows = fbrcons_rows();
kd->cols = fbrcons_cols();
rcons_ttyinit(tp);
#endif
/* else, consult the PROM */
switch (prom_version()) {
char prop[6+1]; /* Enough for six digits */
struct eeprom *ep;
case PROM_OLDMON:
if ((ep = (struct eeprom *)eeprom_va) == NULL)
break;
if (kd->rows == 0)
kd->rows = (u_short)ep->eeTtyRows;
if (kd->cols == 0)
kd->cols = (u_short)ep->eeTtyCols;
break;
case PROM_OBP_V0:
case PROM_OBP_V2:
case PROM_OBP_V3:
case PROM_OPENFIRM:
if (kd->rows == 0 &&
prom_getoption("screen-#rows", prop, sizeof prop) == 0)
kd->rows = strtoul(prop, NULL, 10);
if (kd->cols == 0 &&
prom_getoption("screen-#columns", prop, sizeof prop) == 0)
kd->cols = strtoul(prop, NULL, 10);
break;
}
return;
}
int
arcbios_ttyopen(dev_t dev, int flag, int mode, struct lwp *l)
{
int unit = minor(dev);
struct tty *tp;
int s, error = 0, setuptimeout = 0;
if (!arcbios_ch_init) {
arcbios_ch_init = true;
callout_init(&arcbios_tty_ch, 0);
}
if (unit != 0)
return (ENODEV);
s = spltty();
if (arcbios_tty[unit] == NULL) {
tp = arcbios_tty[unit] = tty_alloc();
tty_attach(tp);
} else
tp = arcbios_tty[unit];
tp->t_oproc = arcbios_tty_start;
tp->t_param = arcbios_tty_param;
tp->t_dev = dev;
if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp)) {
splx(s);
return (EBUSY);
}
if ((tp->t_state & TS_ISOPEN) == 0) {
tp->t_state |= TS_CARR_ON;
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG | CLOCAL;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = 9600;
ttsetwater(tp);
setuptimeout = 1;
}
splx(s);
error = (*tp->t_linesw->l_open)(dev, tp);
if (error == 0 && setuptimeout)
callout_reset(&arcbios_tty_ch, 1, arcbios_tty_poll, tp);
return (error);
}
FILE * serdrv_tty_fopen(struct serdrv * drv)
{
struct tty_dev * tty;
FILE * f_raw;
FILE * f_tty;
f_raw = file_alloc(drv, &serdrv_ops);
tty = tty_attach(f_raw);
f_tty = tty_fopen(tty);
return f_tty;
}
void
ucom_attach(device_t parent, device_t self, void *aux)
{
struct ucom_softc *sc = device_private(self);
struct ucom_attach_args *uca = aux;
struct tty *tp;
if (uca->info != NULL)
aprint_normal(": %s", uca->info);
aprint_normal("\n");
sc->sc_dev = self;
sc->sc_udev = uca->device;
sc->sc_iface = uca->iface;
sc->sc_bulkout_no = uca->bulkout;
sc->sc_bulkin_no = uca->bulkin;
sc->sc_ibufsize = uca->ibufsize;
sc->sc_ibufsizepad = uca->ibufsizepad;
sc->sc_obufsize = uca->obufsize;
sc->sc_opkthdrlen = uca->opkthdrlen;
sc->sc_methods = uca->methods;
sc->sc_parent = uca->arg;
sc->sc_portno = uca->portno;
sc->sc_lsr = 0;
sc->sc_msr = 0;
sc->sc_mcr = 0;
sc->sc_tx_stopped = 0;
sc->sc_swflags = 0;
sc->sc_opening = 0;
sc->sc_refcnt = 0;
sc->sc_dying = 0;
sc->sc_si = softint_establish(SOFTINT_NET, ucom_softintr, sc);
tp = tty_alloc();
tp->t_oproc = ucomstart;
tp->t_param = ucomparam;
tp->t_hwiflow = ucomhwiflow;
sc->sc_tty = tp;
DPRINTF(("ucom_attach: tty_attach %p\n", tp));
tty_attach(tp);
rnd_attach_source(&sc->sc_rndsource, device_xname(sc->sc_dev),
RND_TYPE_TTY, RND_FLAG_DEFAULT);
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
return;
}
void stdio_init(void)
{
struct uart_console_dev * dev;
struct tty_dev * tty;
FILE * f_tty;
FILE * f_raw;
dev = uart_console_init(115200, SERIAL_8N1);
f_raw = uart_console_fopen(dev);
tty = tty_attach(f_raw);
f_tty = tty_fopen(tty);
stderr = (struct file *)&stm32_uart_file;
stdout = f_tty;
stdin = f_tty;
}
int console_shell(void)
{
struct serial_dev * console;
struct tty_dev * tty;
FILE * f_tty;
FILE * f_raw;
console = stm32f_uart5_serial_init(115200, SERIAL_8N1);
f_raw = serial_fopen(console);
tty = tty_attach(f_raw);
f_tty = tty_fopen(tty);
stdout = f_tty;
stdin = f_tty;
return shell(f_tty, yard_ice_get_prompt,
yard_ice_greeting, yard_ice_cmd_tab);
}
void
mtty_attach(device_t parent, device_t self, void *args)
{
struct magma_softc *sc = device_private(parent);
struct mtty_softc *ms = device_private(self);
int port, chip, chan;
sc->ms_dev = self;
sc->ms_mtty = ms;
dprintf((" addr %p", ms));
for( port = 0, chip = 0, chan = 0 ; port < sc->ms_board->mb_nser ; port++ ) {
struct mtty_port *mp = &ms->ms_port[port];
struct tty *tp;
mp->mp_cd1400 = &sc->ms_cd1400[chip];
if (mp->mp_cd1400->cd_parmode && chan == 0)
chan = 1; /* skip channel 0 if parmode */
mp->mp_channel = chan;
tp = tty_alloc();
if (tp == NULL) {
break;
}
tty_attach(tp);
tp->t_oproc = mtty_start;
tp->t_param = mtty_param;
mp->mp_tty = tp;
mp->mp_rbuf = malloc(MTTY_RBUF_SIZE, M_DEVBUF, M_NOWAIT);
if (mp->mp_rbuf == NULL) break;
mp->mp_rend = mp->mp_rbuf + MTTY_RBUF_SIZE;
chan = (chan + 1) % CD1400_NO_OF_CHANNELS;
if (chan == 0)
chip++;
}
ms->ms_nports = port;
printf(": %d tty%s\n", port, port == 1 ? "" : "s");
}
void
xencons_attach(device_t parent, device_t self, void *aux)
{
struct xencons_softc *sc = device_private(self);
aprint_normal(": Xen Virtual Console Driver\n");
sc->sc_dev = self;
sc->sc_tty = tty_alloc();
tty_attach(sc->sc_tty);
sc->sc_tty->t_oproc = xencons_start;
sc->sc_tty->t_param = xencons_param;
if (xencons_isconsole) {
int maj;
/* Locate the major number. */
maj = cdevsw_lookup_major(&xencons_cdevsw);
/* There can be only one, but it can have any unit number. */
cn_tab->cn_dev = makedev(maj, device_unit(self));
aprint_verbose_dev(self, "console major %d, unit %d\n",
maj, device_unit(self));
sc->sc_tty->t_dev = cn_tab->cn_dev;
#ifdef DDB
/* Set db_max_line to avoid paging. */
db_max_line = 0x7fffffff;
#endif
xencons_console_device = sc;
xencons_resume(self, PMF_Q_NONE);
}
sc->polling = 0;
if (!pmf_device_register(self, xencons_suspend, xencons_resume))
aprint_error_dev(self, "couldn't establish power handler\n");
}
int usb_task(void * arg)
{
uint64_t esn = *((uint64_t *)STM32F_UID);
usb_cdc_class_t * cdc;
struct tty_dev * tty;
FILE * f_tty;
FILE * f_raw;
DCC_LOG(LOG_TRACE, "usb_cdc_init()");
usb_cdc_sn_set(esn);
cdc = usb_cdc_init(&stm32f_otg_fs_dev, cdc_acm_str,
cdc_acm_strcnt);
f_raw = usb_cdc_fopen(cdc);
tty = tty_attach(f_raw);
f_tty = tty_fopen(tty);
for (;;) {
shell(f_tty, yard_ice_get_prompt, yard_ice_greeting, yard_ice_cmd_tab);
}
}
static void
uart_attach(device_t parent, device_t self, void *aux)
{
struct obio_attach_args * const oba = aux;
struct uart_softc * const sc = device_private(self);
struct tty *tp;
int maj, minor;
sc->sc_dev = self;
sc->sc_st = oba->oba_st;
if (bus_space_map(oba->oba_st, oba->oba_addr, 256, 0, &sc->sc_ioh)) {
aprint_error("unable to map device\n");
return;
}
/* Establish the interrupt. */
sc->sc_ih = adm5120_intr_establish(oba->oba_irq, INTR_FIQ, uart_intr, sc);
if (sc->sc_ih == NULL) {
aprint_error("unable to establish interrupt\n");
return;
}
REG_WRITE(UART_CR_REG,UART_CR_PORT_EN|UART_CR_RX_INT_EN|UART_CR_RX_TIMEOUT_INT_EN);
maj = cdevsw_lookup_major(&uart_cdevsw);
minor = device_unit(sc->sc_dev);
tp = tty_alloc();
tp->t_oproc = uart_start;
tp->t_param = uart_param;
sc->sc_tty = tp;
tp->t_dev = makedev(maj, minor);
tty_attach(tp);
if (minor == 0 && uart_consattached) {
/* attach as console*/
cn_tab->cn_dev = tp->t_dev;
aprint_normal(" console");
}
aprint_normal("\n");
}
void
sbscn_attach_channel(struct sbscn_softc *sc, int chan, int intr)
{
struct sbscn_channel *ch = &sc->sc_channels[chan];
u_long chan_addr;
struct tty *tp;
ch->ch_sc = sc;
ch->ch_num = chan;
chan_addr = sc->sc_addr + (0x100 * chan);
ch->ch_base = (void *)MIPS_PHYS_TO_KSEG1(chan_addr);
ch->ch_isr_base =
(void *)MIPS_PHYS_TO_KSEG1(sc->sc_addr + 0x220 + (0x20 * chan));
ch->ch_imr_base =
(void *)MIPS_PHYS_TO_KSEG1(sc->sc_addr + 0x230 + (0x20 * chan));
#ifdef XXXCGDnotyet
ch->ch_inchg_base =
(void *)MIPS_PHYS_TO_KSEG1(sc->sc_addr + 0x2d0 + (0x10 * chan));
#endif
ch->ch_i_dcd = ch->ch_i_dcd_pin = 0 /* XXXCGD */;
ch->ch_i_cts = ch->ch_i_cts_pin = 0 /* XXXCGD */;
ch->ch_i_dsr = ch->ch_i_dsr_pin = 0 /* XXXCGD */;
ch->ch_i_ri = ch->ch_i_ri_pin = 0 /* XXXCGD */;
ch->ch_i_mask =
ch->ch_i_dcd | ch->ch_i_cts | ch->ch_i_dsr | ch->ch_i_ri;
ch->ch_o_dtr = ch->ch_o_dtr_pin = 0 /* XXXCGD */;
ch->ch_o_rts = ch->ch_o_rts_pin = 0 /* XXXCGD */;
ch->ch_o_mask = ch->ch_o_dtr | ch->ch_o_rts;
ch->ch_intrhand = cpu_intr_establish(intr, IPL_SERIAL, sbscn_intr, ch);
callout_init(&ch->ch_diag_callout, 0);
/* Disable interrupts before configuring the device. */
ch->ch_imr = 0;
WRITE_REG(ch->ch_imr_base, ch->ch_imr);
if (sbscn_cons_present &&
sbscn_cons_addr == chan_addr && sbscn_cons_chan == chan) {
sbscn_cons_attached = 1;
/* Make sure the console is always "hardwired". */
delay(1000); /* wait for output to finish */
SET(ch->ch_hwflags, SBSCN_HW_CONSOLE);
SET(ch->ch_swflags, TIOCFLAG_SOFTCAR);
}
tp = tty_alloc();
tp->t_oproc = sbscn_start;
tp->t_param = sbscn_param;
tp->t_hwiflow = sbscn_hwiflow;
ch->ch_tty = tp;
ch->ch_rbuf = malloc(sbscn_rbuf_size << 1, M_DEVBUF, M_NOWAIT);
if (ch->ch_rbuf == NULL) {
aprint_error_dev(sc->sc_dev,
"channel %d: unable to allocate ring buffer\n",
chan);
return;
}
ch->ch_ebuf = ch->ch_rbuf + (sbscn_rbuf_size << 1);
tty_attach(tp);
if (ISSET(ch->ch_hwflags, SBSCN_HW_CONSOLE)) {
int maj;
/* locate the major number */
maj = cdevsw_lookup_major(&sbscn_cdevsw);
cn_tab->cn_dev = makedev(maj,
(device_unit(sc->sc_dev) << 1) + chan);
aprint_normal_dev(sc->sc_dev, "channel %d: %s\n",
chan, "console");
}
#ifdef KGDB
/*
* Allow kgdb to "take over" this port. If this is
* the kgdb device, it has exclusive use.
*/
if (sbscn_kgdb_present &&
sbscn_kgdb_addr == chan_addr && sbscn_kgdb_chan == chan) {
sbscn_kgdb_attached = 1;
SET(sc->sc_hwflags, SBSCN_HW_KGDB);
aprint_normal_dev(sc->sc_dev, "channel %d: %s\n",
chan, "kgdb");
}
#endif
ch->ch_si = softint_establish(SOFTINT_SERIAL, sbscn_soft, ch);
#ifdef RND_SBSCN
rnd_attach_source(&ch->ch_rnd_source, device_xname(sc->sc_dev),
RND_TYPE_TTY, 0);
#endif
sbscn_config(ch);
SET(ch->ch_hwflags, SBSCN_HW_DEV_OK);
}
int
iteopen(dev_t dev, int mode, int devtype, struct lwp *l)
{
struct ite_softc *ip;
struct tty *tp;
int error, first, unit;
unit = ITEUNIT(dev);
first = 0;
if (unit >= ite_cd.cd_ndevs)
return ENXIO;
ip = getitesp(dev);
if (ip == NULL)
return ENXIO;
if ((ip->flags & ITE_ATTACHED) == 0)
return ENXIO;
if (ip->tp == NULL) {
tp = ip->tp = ttymalloc();
tty_attach(tp);
} else
tp = ip->tp;
if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
return (EBUSY);
if ((ip->flags & ITE_ACTIVE) == 0) {
ite_on(dev, 0);
first = 1;
}
tp->t_oproc = itestart;
tp->t_param = ite_param;
tp->t_dev = dev;
if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
tp->t_state = TS_CARR_ON;
ttsetwater(tp);
}
error = ttyopen(tp, 0, mode & O_NONBLOCK);
if (error)
goto bad;
error = tp->t_linesw->l_open(dev, tp);
if (error)
goto bad;
tp->t_winsize.ws_row = ip->rows;
tp->t_winsize.ws_col = ip->cols;
kbdenable();
return (0);
bad:
if (first)
ite_off(dev, 0);
return (error);
}
static void
at91dbgu_attach(device_t parent, device_t self, void *aux)
{
struct at91dbgu_softc *sc = device_private(self);
struct at91bus_attach_args *sa = aux;
struct tty *tp;
printf("\n");
sc->sc_dev = self;
bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh);
sc->sc_iot = sa->sa_iot;
sc->sc_hwbase = sa->sa_addr;
DBGUREG(DBGU_IDR) = -1;
at91_intr_establish(sa->sa_pid, IPL_SERIAL, INTR_HIGH_LEVEL, dbgu_intr, sc);
DBGU_INIT(AT91_MSTCLK, 115200U);
if (sc->sc_iot == dbgu_cn_sc.sc_iot
&& sc->sc_hwbase == dbgu_cn_sc.sc_hwbase) {
dbgu_cn_sc.sc_attached = 1;
/* Make sure the console is always "hardwired". */
delay(10000); /* wait for output to finish */
SET(sc->sc_hwflags, COM_HW_CONSOLE);
SET(sc->sc_swflags, TIOCFLAG_SOFTCAR);
SET(sc->sc_ier, DBGU_INT_RXRDY);
DBGUREG(DBGU_IER) = DBGU_INT_RXRDY; // @@@@@
}
tp = tty_alloc();
tp->t_oproc = at91dbgu_start;
tp->t_param = at91dbgu_param;
tp->t_hwiflow = at91dbgu_hwiflow;
sc->sc_tty = tp;
sc->sc_rbuf = malloc(AT91DBGU_RING_SIZE << 1, M_DEVBUF, M_NOWAIT);
sc->sc_rbput = sc->sc_rbget = sc->sc_rbuf;
sc->sc_rbavail = AT91DBGU_RING_SIZE;
if (sc->sc_rbuf == NULL) {
printf("%s: unable to allocate ring buffer\n",
device_xname(sc->sc_dev));
return;
}
sc->sc_ebuf = sc->sc_rbuf + (AT91DBGU_RING_SIZE << 1);
sc->sc_tbc = 0;
tty_attach(tp);
if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
int maj;
/* locate the major number */
maj = cdevsw_lookup_major(&at91dbgu_cdevsw);
cn_tab->cn_dev = makedev(maj, device_unit(sc->sc_dev));
aprint_normal("%s: console (maj %u min %u cn_dev %#"PRIx64")\n",
device_xname(sc->sc_dev), maj, device_unit(sc->sc_dev),
cn_tab->cn_dev);
}
sc->sc_si = softint_establish(SOFTINT_SERIAL, at91dbgu_soft, sc);
#ifdef RND_COM
rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev),
RND_TYPE_TTY, 0);
#endif
/* if there are no enable/disable functions, assume the device
is always enabled */
if (!sc->enable)
sc->enabled = 1;
/* XXX configure register */
/* xxx_config(sc) */
SET(sc->sc_hwflags, COM_HW_DEV_OK);
}
/*
* cz_attach:
*
* A Cyclades-Z board was found; attach it.
*/
static void
cz_attach(device_t parent, device_t self, void *aux)
{
extern const struct cdevsw cz_cdevsw; /* XXX */
struct cz_softc *cz = device_private(self);
struct pci_attach_args *pa = aux;
pci_intr_handle_t ih;
const char *intrstr = NULL;
struct cztty_softc *sc;
struct tty *tp;
int i;
aprint_naive(": Multi-port serial controller\n");
aprint_normal(": Cyclades-Z multiport serial\n");
cz->cz_dev = self;
cz->cz_plx.plx_pc = pa->pa_pc;
cz->cz_plx.plx_tag = pa->pa_tag;
if (pci_mapreg_map(pa, PLX_PCI_RUNTIME_MEMADDR,
PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
&cz->cz_plx.plx_st, &cz->cz_plx.plx_sh, NULL, NULL) != 0) {
aprint_error_dev(cz->cz_dev, "unable to map PLX registers\n");
return;
}
if (pci_mapreg_map(pa, PLX_PCI_LOCAL_ADDR0,
PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
&cz->cz_win_st, &cz->cz_win_sh, NULL, NULL) != 0) {
aprint_error_dev(cz->cz_dev, "unable to map device window\n");
return;
}
cz->cz_mailbox0 = CZ_PLX_READ(cz, PLX_MAILBOX0);
cz->cz_nopenchan = 0;
/*
* Make sure that the board is completely stopped.
*/
CZ_WIN_FPGA(cz);
CZ_FPGA_WRITE(cz, FPGA_CPU_STOP, 0);
/*
* Load the board's firmware.
*/
if (cz_load_firmware(cz) != 0)
return;
/*
* Now that we're ready to roll, map and establish the interrupt
* handler.
*/
if (pci_intr_map(pa, &ih) != 0) {
/*
* The common case is for Cyclades-Z boards to run
* in polling mode, and thus not have an interrupt
* mapped for them. Don't bother reporting that
* the interrupt is not mappable, since this isn't
* really an error.
*/
cz->cz_ih = NULL;
goto polling_mode;
} else {
intrstr = pci_intr_string(pa->pa_pc, ih);
cz->cz_ih = pci_intr_establish(pa->pa_pc, ih, IPL_TTY,
cz_intr, cz);
}
if (cz->cz_ih == NULL) {
aprint_error_dev(cz->cz_dev, "unable to establish interrupt");
if (intrstr != NULL)
aprint_error(" at %s", intrstr);
aprint_error("\n");
/* We will fall-back on polling mode. */
} else
aprint_normal_dev(cz->cz_dev, "interrupting at %s\n",
intrstr);
polling_mode:
if (cz->cz_ih == NULL) {
callout_init(&cz->cz_callout, 0);
if (cz_timeout_ticks == 0)
cz_timeout_ticks = max(1, hz * CZ_POLL_MS / 1000);
aprint_normal_dev(cz->cz_dev, "polling mode, %d ms interval (%d tick%s)\n",
CZ_POLL_MS, cz_timeout_ticks,
cz_timeout_ticks == 1 ? "" : "s");
}
/*
* Allocate sufficient pointers for the children and
* attach them. Set all ports to a reasonable initial
* configuration while we're at it:
*
* disabled
* 8N1
* default baud rate
* hardware flow control.
*/
CZ_WIN_RAM(cz);
if (cz->cz_nchannels == 0) {
/* No channels? No more work to do! */
return;
}
cz->cz_ports = malloc(sizeof(struct cztty_softc) * cz->cz_nchannels,
M_DEVBUF, M_WAITOK|M_ZERO);
cztty_attached_ttys += cz->cz_nchannels;
for (i = 0; i < cz->cz_nchannels; i++) {
sc = &cz->cz_ports[i];
sc->sc_channel = i;
sc->sc_chan_st = cz->cz_win_st;
sc->sc_parent = cz;
if (bus_space_subregion(cz->cz_win_st, cz->cz_win_sh,
cz->cz_fwctl + ZFIRM_CHNCTL_OFF(i, 0),
ZFIRM_CHNCTL_SIZE, &sc->sc_chan_sh)) {
aprint_error_dev(cz->cz_dev,
"unable to subregion channel %d control\n", i);
sc->sc_channel = CZTTY_CHANNEL_DEAD;
continue;
}
if (bus_space_subregion(cz->cz_win_st, cz->cz_win_sh,
cz->cz_fwctl + ZFIRM_BUFCTL_OFF(i, 0),
ZFIRM_BUFCTL_SIZE, &sc->sc_buf_sh)) {
aprint_error_dev(cz->cz_dev,
"unable to subregion channel %d buffer\n", i);
sc->sc_channel = CZTTY_CHANNEL_DEAD;
continue;
}
callout_init(&sc->sc_diag_ch, 0);
tp = tty_alloc();
tp->t_dev = makedev(cdevsw_lookup_major(&cz_cdevsw),
(device_unit(cz->cz_dev) * ZFIRM_MAX_CHANNELS) + i);
tp->t_oproc = czttystart;
tp->t_param = czttyparam;
tty_attach(tp);
sc->sc_tty = tp;
CZTTY_CHAN_WRITE(sc, CHNCTL_OP_MODE, C_CH_DISABLE);
CZTTY_CHAN_WRITE(sc, CHNCTL_INTR_ENABLE, CZ_INTERRUPTS);
CZTTY_CHAN_WRITE(sc, CHNCTL_SW_FLOW, 0);
CZTTY_CHAN_WRITE(sc, CHNCTL_FLOW_XON, 0x11);
CZTTY_CHAN_WRITE(sc, CHNCTL_FLOW_XOFF, 0x13);
CZTTY_CHAN_WRITE(sc, CHNCTL_COMM_BAUD, TTYDEF_SPEED);
CZTTY_CHAN_WRITE(sc, CHNCTL_COMM_PARITY, C_PR_NONE);
CZTTY_CHAN_WRITE(sc, CHNCTL_COMM_DATA_L, C_DL_CS8 | C_DL_1STOP);
CZTTY_CHAN_WRITE(sc, CHNCTL_COMM_FLAGS, 0);
CZTTY_CHAN_WRITE(sc, CHNCTL_HW_FLOW, C_RS_CTS | C_RS_RTS);
CZTTY_CHAN_WRITE(sc, CHNCTL_RS_CONTROL, 0);
}
}
/*
* Open a zs serial port.
*/
int
zsopen(dev_t dev, int flags, int mode, struct lwp *l)
{
struct tty *tp;
struct zs_chanstate *cs;
struct zs_softc *sc;
int unit = ZS_UNIT(dev);
int zs = unit >> 1;
int error, s;
sc = device_lookup_private(&zs_cd, zs);
if (sc == NULL)
return ENXIO;
cs = sc->sc_cs[unit & 1];
/*
* When port A (ser02) is selected on the TT, make sure
* the port is enabled.
*/
if ((machineid & ATARI_TT) && !(unit & 1))
ym2149_ser2(1);
if (cs->cs_rbuf == NULL) {
cs->cs_rbuf = malloc(ZLRB_RING_SIZE * sizeof(int), M_DEVBUF,
M_WAITOK);
}
tp = cs->cs_ttyp;
if (tp == NULL) {
cs->cs_ttyp = tp = tty_alloc();
tty_attach(tp);
tp->t_dev = dev;
tp->t_oproc = zsstart;
tp->t_param = zsparam;
}
if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
return EBUSY;
s = spltty();
/*
* Do the following iff this is a first open.
*/
if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
if (tp->t_ispeed == 0) {
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
}
ttychars(tp);
ttsetwater(tp);
(void)zsparam(tp, &tp->t_termios);
/*
* Turn on DTR. We must always do this, even if carrier is not
* present, because otherwise we'd have to use TIOCSDTR
* immediately after setting CLOCAL, which applications do not
* expect. We always assert DTR while the device is open
* unless explicitly requested to deassert it.
*/
zs_modem(cs, ZSWR5_RTS|ZSWR5_DTR, DMSET);
/* May never get a status intr. if DCD already on. -gwr */
if (((cs->cs_rr0 = cs->cs_zc->zc_csr) & ZSRR0_DCD) != 0)
tp->t_state |= TS_CARR_ON;
if (cs->cs_softcar)
tp->t_state |= TS_CARR_ON;
}
splx(s);
error = ttyopen(tp, ZS_DIALOUT(dev), (flags & O_NONBLOCK));
if (error)
goto bad;
error = tp->t_linesw->l_open(dev, tp);
if (error)
goto bad;
return 0;
bad:
if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
/*
* We failed to open the device, and nobody else had it opened.
* Clean up the state as appropriate.
*/
zs_shutdown(cs);
}
return error;
}
int
mfcsopen(dev_t dev, int flag, int mode, struct lwp *l)
{
struct tty *tp;
struct mfcs_softc *sc;
int unit, error;
error = 0;
unit = dev & 0x1f;
sc = device_lookup_private(&mfcs_cd, unit);
if (sc == NULL || (mfcs_active & (1 << unit)) == 0)
return (ENXIO);
if (sc->sc_tty)
tp = sc->sc_tty;
else {
tp = sc->sc_tty = tty_alloc();
tty_attach(tp);
}
tp->t_oproc = (void (*) (struct tty *)) mfcsstart;
tp->t_param = mfcsparam;
tp->t_dev = dev;
tp->t_hwiflow = mfcshwiflow;
if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
return (EBUSY);
mutex_spin_enter(&tty_lock);
if ((tp->t_state & TS_ISOPEN) == 0 && tp->t_wopen == 0) {
ttychars(tp);
if (tp->t_ispeed == 0) {
/*
* only when cleared do we reset to defaults.
*/
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG;
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = mfcsdefaultrate;
}
/*
* do these all the time
*/
if (sc->swflags & TIOCFLAG_CLOCAL)
tp->t_cflag |= CLOCAL;
if (sc->swflags & TIOCFLAG_CRTSCTS)
tp->t_cflag |= CRTSCTS;
if (sc->swflags & TIOCFLAG_MDMBUF)
tp->t_cflag |= MDMBUF;
mfcsparam(tp, &tp->t_termios);
ttsetwater(tp);
(void)mfcsmctl(dev, TIOCM_DTR | TIOCM_RTS, DMSET);
if ((SWFLAGS(dev) & TIOCFLAG_SOFTCAR) ||
(mfcsmctl(dev, 0, DMGET) & TIOCM_CD))
tp->t_state |= TS_CARR_ON;
else
tp->t_state &= ~TS_CARR_ON;
}
/*
* if NONBLOCK requested, ignore carrier
*/
if (flag & O_NONBLOCK)
goto done;
/*
* block waiting for carrier
*/
while ((tp->t_state & TS_CARR_ON) == 0 && (tp->t_cflag & CLOCAL) == 0) {
tp->t_wopen++;
error = ttysleep(tp, &tp->t_rawcv, true, 0);
tp->t_wopen--;
if (error) {
mutex_spin_exit(&tty_lock);
return(error);
}
}
done:
/* This is a way to handle lost XON characters */
if ((flag & O_TRUNC) && (tp->t_state & TS_TTSTOP)) {
tp->t_state &= ~TS_TTSTOP;
ttstart (tp);
}
/*
* Reset the tty pointer, as there could have been a dialout
* use of the tty with a dialin open waiting.
*/
tp->t_dev = dev;
mutex_spin_exit(&tty_lock);
return tp->t_linesw->l_open(dev, tp);
}
void
sacom_attach_subr(struct sacom_softc *sc)
{
bus_addr_t iobase = sc->sc_baseaddr;
bus_space_tag_t iot = sc->sc_iot;
struct tty *tp;
/* XXX Do we need to disable interrupts here? */
if (iot == sacomconstag && iobase == sacomconsaddr) {
sacomconsattached = 1;
sc->sc_speed = SACOMSPEED(sacomconsrate);
/* Make sure the console is always "hardwired". */
delay(10000); /* wait for output to finish */
SET(sc->sc_hwflags, COM_HW_CONSOLE);
SET(sc->sc_swflags, TIOCFLAG_SOFTCAR);
}
tp = ttymalloc();
tp->t_oproc = sacomstart;
tp->t_param = sacomparam;
tp->t_hwiflow = sacomhwiflow;
sc->sc_tty = tp;
sc->sc_rbuf = malloc(SACOM_RING_SIZE << 1, M_DEVBUF, M_NOWAIT);
sc->sc_rbput = sc->sc_rbget = sc->sc_rbuf;
sc->sc_rbavail = SACOM_RING_SIZE;
if (sc->sc_rbuf == NULL) {
printf("%s: unable to allocate ring buffer\n",
sc->sc_dev.dv_xname);
return;
}
sc->sc_ebuf = sc->sc_rbuf + (SACOM_RING_SIZE << 1);
sc->sc_tbc = 0;
tty_attach(tp);
if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
int maj;
/* locate the major number */
maj = cdevsw_lookup_major(&sacom_cdevsw);
cn_tab->cn_dev = makedev(maj, device_unit(&sc->sc_dev));
delay(10000); /* XXX */
printf("%s: console\n", sc->sc_dev.dv_xname);
delay(10000); /* XXX */
}
sc->sc_si = softint_establish(SOFTINT_SERIAL, sacomsoft, sc);
#if NRND > 0 && defined(RND_COM)
rnd_attach_source(&sc->rnd_source, sc->sc_dev.dv_xname,
RND_TYPE_TTY, 0);
#endif
/* if there are no enable/disable functions, assume the device
is always enabled */
if (!sc->enable)
sc->enabled = 1;
sacom_config(sc);
SET(sc->sc_hwflags, COM_HW_DEV_OK);
}
int
comopen(dev_t dev, int flag, int mode, struct lwp *l)
{
struct com_softc *sc;
int iobase;
struct tty *tp;
int s;
int error = 0;
sc = device_lookup_private(&xcom_cd, COMUNIT(dev));
if (!sc)
return ENXIO;
if (!sc->sc_tty) {
tp = sc->sc_tty = ttymalloc();
tty_attach(tp);
} else
tp = sc->sc_tty;
tp->t_oproc = comstart;
tp->t_param = comparam;
tp->t_dev = dev;
if (kauth_authorize_device_tty(l->l_cred, KAUTH_DEVICE_TTY_OPEN, tp))
return (EBUSY);
s = spltty();
if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) {
ttychars(tp);
tp->t_iflag = TTYDEF_IFLAG;
tp->t_oflag = TTYDEF_OFLAG;
tp->t_cflag = TTYDEF_CFLAG;
if (ISSET(sc->sc_swflags, COM_SW_CLOCAL))
SET(tp->t_cflag, CLOCAL);
if (ISSET(sc->sc_swflags, COM_SW_CRTSCTS))
SET(tp->t_cflag, CRTSCTS);
if (ISSET(sc->sc_swflags, COM_SW_MDMBUF))
SET(tp->t_cflag, MDMBUF);
tp->t_lflag = TTYDEF_LFLAG;
tp->t_ispeed = tp->t_ospeed = comdefaultrate;
comparam(tp, &tp->t_termios);
ttsetwater(tp);
if (comsopen++ == 0)
callout_reset(&com_poll_ch, 1, compollin, NULL);
sc->sc_ibufp = sc->sc_ibuf = sc->sc_ibufs[0];
sc->sc_ibufhigh = sc->sc_ibuf + COM_IHIGHWATER;
sc->sc_ibufend = sc->sc_ibuf + COM_IBUFSIZE;
iobase = sc->sc_iobase;
#ifdef COM_HAYESP
/* Setup the ESP board */
if (ISSET(sc->sc_hwflags, COM_HW_HAYESP)) {
int hayespbase = sc->sc_hayespbase;
outb(iobase + com_fifo,
FIFO_DMA_MODE|FIFO_ENABLE|
FIFO_RCV_RST|FIFO_XMT_RST|FIFO_TRIGGER_8);
/* Set 16550 compatibility mode */
outb(hayespbase + HAYESP_CMD1, HAYESP_SETMODE);
outb(hayespbase + HAYESP_CMD2,
HAYESP_MODE_FIFO|HAYESP_MODE_RTS|
HAYESP_MODE_SCALE);
/* Set RTS/CTS flow control */
outb(hayespbase + HAYESP_CMD1, HAYESP_SETFLOWTYPE);
outb(hayespbase + HAYESP_CMD2, HAYESP_FLOW_RTS);
outb(hayespbase + HAYESP_CMD2, HAYESP_FLOW_CTS);
/* Set flow control levels */
outb(hayespbase + HAYESP_CMD1, HAYESP_SETRXFLOW);
outb(hayespbase + HAYESP_CMD2,
HAYESP_HIBYTE(HAYESP_RXHIWMARK));
outb(hayespbase + HAYESP_CMD2,
HAYESP_LOBYTE(HAYESP_RXHIWMARK));
outb(hayespbase + HAYESP_CMD2,
HAYESP_HIBYTE(HAYESP_RXLOWMARK));
outb(hayespbase + HAYESP_CMD2,
HAYESP_LOBYTE(HAYESP_RXLOWMARK));
} else
#endif
if (ISSET(sc->sc_hwflags, COM_HW_FIFO))
/* Set the FIFO threshold based on the receive speed. */
outb(pio(iobase , com_fifo),
FIFO_ENABLE | FIFO_RCV_RST | FIFO_XMT_RST |
(tp->t_ispeed <= 1200 ? FIFO_TRIGGER_1 : FIFO_TRIGGER_8));
/* flush any pending I/O */
while (ISSET(inb(pio(iobase , com_lsr)), LSR_RXRDY))
(void) inb(pio(iobase , com_data));
/* you turn me on, baby */
sc->sc_mcr = MCR_DTR | MCR_RTS;
if (!ISSET(sc->sc_hwflags, COM_HW_NOIEN))
SET(sc->sc_mcr, MCR_IENABLE | MCR_DRS); /* */
outb(pio(iobase , com_mcr), sc->sc_mcr);
sc->sc_ier = IER_ERXRDY | IER_ERLS | IER_EMSC;
outb(pio(iobase , com_ier), sc->sc_ier);
sc->sc_msr = inb(pio(iobase , com_msr));
if (ISSET(sc->sc_swflags, COM_SW_SOFTCAR) ||
ISSET(sc->sc_msr, MSR_DCD) || ISSET(tp->t_cflag, MDMBUF))
SET(tp->t_state, TS_CARR_ON);
else
CLR(tp->t_state, TS_CARR_ON);
}
splx(s);
error = ttyopen(tp, COMDIALOUT(dev), ISSET(flag, O_NONBLOCK));
if (!error)
error = (*tp->t_linesw->l_open)(dev, tp);
/* XXX cleanup on error */
return error;
}
/* ARGSUSED */
STATIC void
gtmpscattach(device_t parent, device_t self, void *aux)
{
struct gtmpsc_softc *sc = device_private(self);
struct marvell_attach_args *mva = aux;
bus_dma_segment_t segs;
struct tty *tp;
int rsegs, err, unit;
void *kva;
aprint_naive("\n");
aprint_normal(": Multi-Protocol Serial Controller\n");
if (mva->mva_unit != MVA_UNIT_DEFAULT)
unit = mva->mva_unit;
else
unit = (mva->mva_offset == GTMPSC_BASE(0)) ? 0 : 1;
#ifdef MPSC_CONSOLE
if (cn_tab == >mpsc_consdev &&
cn_tab->cn_dev == makedev(0, unit)) {
gtmpsc_cn_softc.sc_dev = self;
memcpy(sc, >mpsc_cn_softc, sizeof(struct gtmpsc_softc));
sc->sc_flags = GTMPSC_CONSOLE;
} else
#endif
{
if (bus_space_subregion(mva->mva_iot, mva->mva_ioh,
mva->mva_offset, mva->mva_size, &sc->sc_mpsch)) {
aprint_error_dev(self, "Cannot map MPSC registers\n");
return;
}
if (bus_space_subregion(mva->mva_iot, mva->mva_ioh,
GTSDMA_BASE(unit), GTSDMA_SIZE, &sc->sc_sdmah)) {
aprint_error_dev(self, "Cannot map SDMA registers\n");
return;
}
sc->sc_dev = self;
sc->sc_unit = unit;
sc->sc_iot = mva->mva_iot;
sc->sc_dmat = mva->mva_dmat;
err = bus_dmamem_alloc(sc->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0,
&segs, 1, &rsegs, BUS_DMA_NOWAIT);
if (err) {
aprint_error_dev(sc->sc_dev,
"bus_dmamem_alloc error 0x%x\n", err);
goto fail0;
}
err = bus_dmamem_map(sc->sc_dmat, &segs, 1, PAGE_SIZE, &kva,
BUS_DMA_NOWAIT);
if (err) {
aprint_error_dev(sc->sc_dev,
"bus_dmamem_map error 0x%x\n", err);
goto fail1;
}
memset(kva, 0, PAGE_SIZE); /* paranoid/superfluous */
sc->sc_poll_sdmapage = kva;
err = bus_dmamap_create(sc->sc_dmat, sizeof(gtmpsc_polltx_t), 1,
sizeof(gtmpsc_polltx_t), 0, BUS_DMA_NOWAIT,
&sc->sc_txdma_map);
if (err != 0) {
aprint_error_dev(sc->sc_dev,
"bus_dmamap_create error 0x%x\n", err);
goto fail2;
}
err = bus_dmamap_load(sc->sc_dmat, sc->sc_txdma_map,
sc->sc_poll_sdmapage->tx, sizeof(gtmpsc_polltx_t),
NULL, BUS_DMA_NOWAIT | BUS_DMA_READ | BUS_DMA_WRITE);
if (err != 0) {
aprint_error_dev(sc->sc_dev,
"bus_dmamap_load tx error 0x%x\n", err);
goto fail3;
}
err = bus_dmamap_create(sc->sc_dmat, sizeof(gtmpsc_pollrx_t), 1,
sizeof(gtmpsc_pollrx_t), 0, BUS_DMA_NOWAIT,
&sc->sc_rxdma_map);
if (err != 0) {
aprint_error_dev(sc->sc_dev,
"bus_dmamap_create rx error 0x%x\n", err);
goto fail4;
}
err = bus_dmamap_load(sc->sc_dmat, sc->sc_rxdma_map,
sc->sc_poll_sdmapage->rx, sizeof(gtmpsc_pollrx_t),
NULL, BUS_DMA_NOWAIT | BUS_DMA_READ | BUS_DMA_WRITE);
if (err != 0) {
aprint_error_dev(sc->sc_dev,
"bus_dmamap_load rx error 0x%x\n", err);
goto fail5;
}
sc->sc_brg = unit; /* XXXXX */
sc->sc_baudrate = GT_MPSC_DEFAULT_BAUD_RATE;
}
aprint_normal_dev(self, "with SDMA offset 0x%04x-0x%04x\n",
GTSDMA_BASE(unit), GTSDMA_BASE(unit) + GTSDMA_SIZE - 1);
sc->sc_rx_ready = 0;
sc->sc_tx_busy = 0;
sc->sc_tx_done = 0;
sc->sc_tx_stopped = 0;
sc->sc_heldchange = 0;
gtmpsc_txdesc_init(sc);
gtmpsc_rxdesc_init(sc);
sc->sc_tty = tp = tty_alloc();
tp->t_oproc = gtmpscstart;
tp->t_param = gtmpscparam;
tty_attach(tp);
mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_HIGH);
/*
* clear any pending SDMA interrupts for this unit
*/
(void) gt_sdma_icause(device_parent(sc->sc_dev),
SDMA_INTR_RXBUF(sc->sc_unit) |
SDMA_INTR_RXERR(sc->sc_unit) |
SDMA_INTR_TXBUF(sc->sc_unit) |
SDMA_INTR_TXEND(sc->sc_unit));
sc->sc_si = softint_establish(SOFTINT_SERIAL, gtmpsc_softintr, sc);
if (sc->sc_si == NULL)
panic("mpscattach: cannot softint_establish IPL_SOFTSERIAL");
shutdownhook_establish(gtmpsc_shutdownhook, sc);
gtmpscinit_stop(sc);
gtmpscinit_start(sc);
if (sc->sc_flags & GTMPSC_CONSOLE) {
int maj;
/* locate the major number */
maj = cdevsw_lookup_major(>mpsc_cdevsw);
tp->t_dev = cn_tab->cn_dev =
makedev(maj, device_unit(sc->sc_dev));
aprint_normal_dev(self, "console\n");
}
#ifdef KGDB
/*
* Allow kgdb to "take over" this port. If this is
* the kgdb device, it has exclusive use.
*/
if (sc->sc_unit == gtmpsckgdbport) {
#ifdef MPSC_CONSOLE
if (sc->sc_unit == MPSC_CONSOLE) {
aprint_error_dev(self,
"(kgdb): cannot share with console\n");
return;
}
#endif
sc->sc_flags |= GTMPSC_KGDB;
aprint_normal_dev(self, "kgdb\n");
gtmpsc_txflush(sc);
kgdb_attach(gtmpsc_kgdb_getc, gtmpsc_kgdb_putc, NULL);
kgdb_dev = 123; /* unneeded, only to satisfy some tests */
gtmpsc_kgdb_attached = 1;
kgdb_connect(1);
}
#endif /* KGDB */
return;
fail5:
bus_dmamap_destroy(sc->sc_dmat, sc->sc_rxdma_map);
fail4:
bus_dmamap_unload(sc->sc_dmat, sc->sc_txdma_map);
fail3:
bus_dmamap_destroy(sc->sc_dmat, sc->sc_txdma_map);
fail2:
bus_dmamem_unmap(sc->sc_dmat, kva, PAGE_SIZE);
fail1:
bus_dmamem_free(sc->sc_dmat, &segs, 1);
fail0:
return;
}
void
at91usart_attach_subr(struct at91usart_softc *sc, struct at91bus_attach_args *sa)
{
struct tty *tp;
int err;
printf("\n");
if (bus_space_map(sa->sa_iot, sa->sa_addr, sa->sa_size, 0, &sc->sc_ioh))
panic("%s: Cannot map registers", device_xname(sc->sc_dev));
sc->sc_iot = sa->sa_iot;
sc->sc_hwbase = sa->sa_addr;
sc->sc_dmat = sa->sa_dmat;
sc->sc_pid = sa->sa_pid;
/* allocate fifos */
err = at91pdc_alloc_fifo(sc->sc_dmat, &sc->sc_rx_fifo, AT91USART_RING_SIZE, BUS_DMA_READ | BUS_DMA_STREAMING);
if (err)
panic("%s: cannot allocate rx fifo", device_xname(sc->sc_dev));
err = at91pdc_alloc_fifo(sc->sc_dmat, &sc->sc_tx_fifo, AT91USART_RING_SIZE, BUS_DMA_WRITE | BUS_DMA_STREAMING);
if (err)
panic("%s: cannot allocate tx fifo", device_xname(sc->sc_dev));
/* initialize uart */
at91_peripheral_clock(sc->sc_pid, 1);
at91usart_writereg(sc, US_IDR, -1);
at91usart_writereg(sc, US_RTOR, 12); // 12-bit timeout
at91usart_writereg(sc, US_PDC + PDC_PTCR, PDC_PTCR_TXTDIS | PDC_PTCR_RXTDIS);
at91_intr_establish(sa->sa_pid, IPL_TTY, INTR_HIGH_LEVEL, at91usart_intr, sc);
USART_INIT(sc, 115200U);
#ifdef NOTYET
if (sc->sc_iot == usart_cn_sc.sc_iot
&& sc->sc_hwbase == usart_cn_sc.sc_hwbase) {
usart_cn_sc.sc_attached = 1;
/* Make sure the console is always "hardwired". */
delay(10000); /* wait for output to finish */
SET(sc->sc_hwflags, COM_HW_CONSOLE);
SET(sc->sc_swflags, TIOCFLAG_SOFTCAR);
SET(sc->sc_ier, USART_INT_RXRDY);
USARTREG(USART_IER) = USART_INT_RXRDY; // @@@@@
}
#endif // NOTYET
tp = tty_alloc();
tp->t_oproc = at91usart_start;
tp->t_param = at91usart_param;
tp->t_hwiflow = at91usart_hwiflow;
sc->sc_tty = tp;
tty_attach(tp);
#if NOTYET
if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
int maj;
/* locate the major number */
maj = cdevsw_lookup_major(&at91usart_cdevsw);
cn_tab->cn_dev = makedev(maj, device_unit(sc->sc_dev));
aprint_normal("%s: console (maj %u min %u cn_dev %u)\n",
device_xname(sc->sc_dev), maj, device_unit(sc->sc_dev),
cn_tab->cn_dev);
}
#endif /* NOTYET */
sc->sc_si = softint_establish(SOFTINT_SERIAL, at91usart_soft, sc);
#ifdef RND_COM
rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev),
RND_TYPE_TTY, RND_FLAG_DEFAULT);
#endif
/* if there are no enable/disable functions, assume the device
is always enabled */
if (!sc->enable)
sc->enabled = 1;
/* XXX configure register */
/* xxx_config(sc) */
SET(sc->sc_hwflags, COM_HW_DEV_OK);
}
void
sscom_attach_subr(struct sscom_softc *sc)
{
int unit = sc->sc_unit;
bus_space_tag_t iot = sc->sc_iot;
bus_space_handle_t ioh = sc->sc_ioh;
struct tty *tp;
callout_init(&sc->sc_diag_callout, 0);
#if (defined(MULTIPROCESSOR) || defined(LOCKDEBUG)) && defined(SSCOM_MPLOCK)
sc->sc_lock = mutex_obj_alloc(MUTEX_DEFAULT, IPL_SERIAL);
#endif
sc->sc_ucon = UCON_RXINT_ENABLE|UCON_TXINT_ENABLE;
/*
* set default for modem control hook
*/
if (sc->sc_set_modem_control == NULL)
sc->sc_set_modem_control = sscom_set_modem_control;
if (sc->sc_read_modem_status == NULL)
sc->sc_read_modem_status = sscom_read_modem_status;
/* Disable interrupts before configuring the device. */
KASSERT(sc->sc_change_txrx_interrupts != NULL);
KASSERT(sc->sc_clear_interrupts != NULL);
sscom_disable_txrxint(sc);
#ifdef KGDB
/*
* Allow kgdb to "take over" this port. If this is
* the kgdb device, it has exclusive use.
*/
if (unit == sscom_kgdb_unit) {
SET(sc->sc_hwflags, SSCOM_HW_KGDB);
sc->sc_ucon = UCON_DEBUGPORT;
}
#endif
if (unit == sscomconsunit) {
uint32_t stat;
int timo;
sscomconsattached = 1;
sscomconstag = iot;
sscomconsioh = ioh;
/* wait for this transmission to complete */
timo = 1500000;
do {
stat = bus_space_read_4(iot, ioh, SSCOM_UTRSTAT);
} while ((stat & UTRSTAT_TXEMPTY) == 0 && --timo > 0);
/* Make sure the console is always "hardwired". */
SET(sc->sc_hwflags, SSCOM_HW_CONSOLE);
SET(sc->sc_swflags, TIOCFLAG_SOFTCAR);
sc->sc_ucon = UCON_DEBUGPORT;
}
/* set RX/TX trigger to half values */
bus_space_write_4(iot, ioh, SSCOM_UFCON,
__SHIFTIN(4, UFCON_TXTRIGGER) |
__SHIFTIN(4, UFCON_RXTRIGGER) |
UFCON_FIFO_ENABLE |
UFCON_TXFIFO_RESET|
UFCON_RXFIFO_RESET);
/* tx/rx fifo reset are auto-cleared */
bus_space_write_4(iot, ioh, SSCOM_UCON, sc->sc_ucon);
#ifdef KGDB
if (ISSET(sc->sc_hwflags, SSCOM_HW_KGDB)) {
sscom_kgdb_attached = 1;
printf("%s: kgdb\n", device_xname(sc->sc_dev));
sscom_enable_debugport(sc);
return;
}
#endif
tp = tty_alloc();
tp->t_oproc = sscomstart;
tp->t_param = sscomparam;
tp->t_hwiflow = sscomhwiflow;
sc->sc_tty = tp;
sc->sc_rbuf = malloc(sscom_rbuf_size << 1, M_DEVBUF, M_NOWAIT);
sc->sc_rbput = sc->sc_rbget = sc->sc_rbuf;
sc->sc_rbavail = sscom_rbuf_size;
if (sc->sc_rbuf == NULL) {
printf("%s: unable to allocate ring buffer\n",
device_xname(sc->sc_dev));
return;
}
sc->sc_ebuf = sc->sc_rbuf + (sscom_rbuf_size << 1);
tty_attach(tp);
if (ISSET(sc->sc_hwflags, SSCOM_HW_CONSOLE)) {
int maj;
/* locate the major number */
maj = cdevsw_lookup_major(&sscom_cdevsw);
cn_tab->cn_dev = makedev(maj, device_unit(sc->sc_dev));
printf("%s: console (major=%d)\n", device_xname(sc->sc_dev), maj);
}
sc->sc_si = softint_establish(SOFTINT_SERIAL, sscomsoft, sc);
#ifdef RND_COM
rnd_attach_source(&sc->rnd_source, device_xname(sc->sc_dev),
RND_TYPE_TTY, RND_FLAG_DEFAULT);
#endif
/* if there are no enable/disable functions, assume the device
is always enabled */
if (ISSET(sc->sc_hwflags, SSCOM_HW_CONSOLE))
sscom_enable_debugport(sc);
else
sscom_disable_txrxint(sc);
SET(sc->sc_hwflags, SSCOM_HW_DEV_OK);
}
void
sabtty_attach(struct device *parent, struct device *self, void *aux)
{
struct sabtty_softc *sc = (struct sabtty_softc *)self;
struct sabtty_attach_args *sa = aux;
int r;
int maj;
int is_kgdb = 0;
#ifdef KGDB
is_kgdb = sab_kgdb_check(sc);
#endif
if (!is_kgdb) {
sc->sc_tty = ttymalloc();
if (sc->sc_tty == NULL) {
aprint_normal(": failed to allocate tty\n");
return;
}
tty_attach(sc->sc_tty);
sc->sc_tty->t_oproc = sabtty_start;
sc->sc_tty->t_param = sabtty_param;
}
sc->sc_parent = (struct sab_softc *)parent;
sc->sc_bt = sc->sc_parent->sc_bt;
sc->sc_portno = sa->sbt_portno;
sc->sc_rend = sc->sc_rbuf + SABTTY_RBUF_SIZE;
switch (sa->sbt_portno) {
case 0: /* port A */
sc->sc_pvr_dtr = SAB_PVR_DTR_A;
sc->sc_pvr_dsr = SAB_PVR_DSR_A;
r = bus_space_subregion(sc->sc_bt, sc->sc_parent->sc_bh,
SAB_CHAN_A, SAB_CHANLEN, &sc->sc_bh);
break;
case 1: /* port B */
sc->sc_pvr_dtr = SAB_PVR_DTR_B;
sc->sc_pvr_dsr = SAB_PVR_DSR_B;
r = bus_space_subregion(sc->sc_bt, sc->sc_parent->sc_bh,
SAB_CHAN_B, SAB_CHANLEN, &sc->sc_bh);
break;
default:
aprint_normal(": invalid channel: %u\n", sa->sbt_portno);
return;
}
if (r != 0) {
aprint_normal(": failed to allocate register subregion\n");
return;
}
sabtty_console_flags(sc);
if (sc->sc_flags & (SABTTYF_CONS_IN | SABTTYF_CONS_OUT)) {
struct termios t;
const char *acc;
/* Let residual prom output drain */
DELAY(100000);
switch (sc->sc_flags & (SABTTYF_CONS_IN | SABTTYF_CONS_OUT)) {
case SABTTYF_CONS_IN:
acc = "input";
break;
case SABTTYF_CONS_OUT:
acc = "output";
break;
case SABTTYF_CONS_IN|SABTTYF_CONS_OUT:
default:
acc = "i/o";
break;
}
t.c_ispeed= 0;
t.c_ospeed = 9600;
t.c_cflag = CREAD | CS8 | HUPCL;
sc->sc_tty->t_ospeed = 0;
sabttyparam(sc, sc->sc_tty, &t);
if (sc->sc_flags & SABTTYF_CONS_IN) {
sabtty_cons_input = sc;
cn_tab->cn_pollc = sab_cnpollc;
cn_tab->cn_getc = sab_cngetc;
maj = cdevsw_lookup_major(&sabtty_cdevsw);
cn_tab->cn_dev = makedev(maj, device_unit(self));
shutdownhook_establish(sabtty_shutdown, sc);
cn_init_magic(&sabtty_cnm_state);
cn_set_magic("\047\001"); /* default magic is BREAK */
}
if (sc->sc_flags & SABTTYF_CONS_OUT) {
sabtty_tec_wait(sc);
sabtty_cons_output = sc;
cn_tab->cn_putc = sab_cnputc;
maj = cdevsw_lookup_major(&sabtty_cdevsw);
cn_tab->cn_dev = makedev(maj, device_unit(self));
}
aprint_normal(": console %s", acc);
} else {
/* Not a console... */
sabtty_reset(sc);
#ifdef KGDB
if (is_kgdb) {
sab_kgdb_init(sc);
aprint_normal(": kgdb");
}
#endif
}
aprint_normal("\n");
}