From 6c55a55afb4b19a8bd5a3ef67d9987616910c712 Mon Sep 17 00:00:00 2001 From: patrick Date: Sat, 20 Aug 2016 13:24:38 +0000 Subject: [PATCH] sxiuart(4) has been replaced with com(4). ok kettenis@ --- sys/arch/armv7/conf/GENERIC | 3 +- sys/arch/armv7/conf/RAMDISK | 3 +- sys/arch/armv7/sunxi/files.sunxi | 6 +- sys/arch/armv7/sunxi/sunxi_machdep.c | 3 +- sys/arch/armv7/sunxi/sxiuart.c | 1059 -------------------------- 5 files changed, 4 insertions(+), 1070 deletions(-) delete mode 100644 sys/arch/armv7/sunxi/sxiuart.c diff --git a/sys/arch/armv7/conf/GENERIC b/sys/arch/armv7/conf/GENERIC index 75be1291011..bf8ea065674 100644 --- a/sys/arch/armv7/conf/GENERIC +++ b/sys/arch/armv7/conf/GENERIC @@ -1,4 +1,4 @@ -# $OpenBSD: GENERIC,v 1.48 2016/08/17 13:05:02 patrick Exp $ +# $OpenBSD: GENERIC,v 1.49 2016/08/20 13:24:38 patrick Exp $ # # For further information on compiling OpenBSD kernels, see the config(8) # man page. @@ -93,7 +93,6 @@ sxiccmu* at sunxi? # Clock Control Module/Unit sxitimer* at sunxi? sxidog* at fdt? # watchdog timer sxirtc* at fdt? # Real Time Clock -#sxiuart* at fdt? # onboard UARTs sxie* at fdt? dwge* at fdt? sxiahci* at fdt? # AHCI/SATA diff --git a/sys/arch/armv7/conf/RAMDISK b/sys/arch/armv7/conf/RAMDISK index 2508c8ec9a1..6cd45df61b2 100644 --- a/sys/arch/armv7/conf/RAMDISK +++ b/sys/arch/armv7/conf/RAMDISK @@ -1,4 +1,4 @@ -# $OpenBSD: RAMDISK,v 1.44 2016/08/17 13:05:02 patrick Exp $ +# $OpenBSD: RAMDISK,v 1.45 2016/08/20 13:24:38 patrick Exp $ machine armv7 arm @@ -91,7 +91,6 @@ sxiccmu* at sunxi? # Clock Control Module/Unit sxitimer* at sunxi? sxidog* at fdt? # watchdog timer sxirtc* at fdt? # Real Time Clock -#sxiuart* at fdt? # onboard UARTs sxie* at fdt? dwge* at fdt? sxiahci* at fdt? # AHCI/SATA diff --git a/sys/arch/armv7/sunxi/files.sunxi b/sys/arch/armv7/sunxi/files.sunxi index 1326514b6d5..2bb8c916383 100644 --- a/sys/arch/armv7/sunxi/files.sunxi +++ b/sys/arch/armv7/sunxi/files.sunxi @@ -1,4 +1,4 @@ -# $OpenBSD: files.sunxi,v 1.12 2016/08/15 21:03:27 kettenis Exp $ +# $OpenBSD: files.sunxi,v 1.13 2016/08/20 13:24:38 patrick Exp $ define sunxi {} device sunxi: sunxi @@ -46,10 +46,6 @@ file arch/armv7/sunxi/sximmc.c sximmc attach ehci at fdt with sxiehci file arch/armv7/sunxi/sxiehci.c sxiehci -device sxiuart -attach sxiuart at fdt -file arch/armv7/sunxi/sxiuart.c sxiuart - device sxie: ether, ifnet, mii, ifmedia attach sxie at fdt file arch/armv7/sunxi/sxie.c sxie diff --git a/sys/arch/armv7/sunxi/sunxi_machdep.c b/sys/arch/armv7/sunxi/sunxi_machdep.c index 2f16f561f62..8b7968868f2 100644 --- a/sys/arch/armv7/sunxi/sunxi_machdep.c +++ b/sys/arch/armv7/sunxi/sunxi_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sunxi_machdep.c,v 1.11 2016/06/08 15:27:05 jsg Exp $ */ +/* $OpenBSD: sunxi_machdep.c,v 1.12 2016/08/20 13:24:38 patrick Exp $ */ /* * Copyright (c) 2013 Sylvestre Gallon * @@ -32,7 +32,6 @@ #include #include -extern int sxiuartcnattach(bus_space_tag_t, bus_addr_t, int, long, tcflag_t); extern void sxidog_reset(void); extern struct board_dev *sunxi_board_devs(void); extern void sunxi_board_init(void); diff --git a/sys/arch/armv7/sunxi/sxiuart.c b/sys/arch/armv7/sunxi/sxiuart.c deleted file mode 100644 index 8944ee1e2ea..00000000000 --- a/sys/arch/armv7/sunxi/sxiuart.c +++ /dev/null @@ -1,1059 +0,0 @@ -/* $OpenBSD: sxiuart.c,v 1.13 2016/08/15 04:32:57 mglocker Exp $ */ -/* - * Copyright (c) 2005 Dale Rahn - * Copyright (c) 2013 Artturi Alm - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#ifdef DDB -#include -#endif - -#include -#include - -#include -#include -#include -#include -#include - -#include -#include -#include - -#define DEVUNIT(x) (minor(x) & 0x7f) -#define DEVCUA(x) (minor(x) & 0x80) - -struct sxiuart_softc { - struct device sc_dev; - bus_space_tag_t sc_iot; - bus_space_handle_t sc_ioh; - struct soft_intrhand *sc_si; - void *sc_irq; - struct tty *sc_tty; - struct timeout sc_diag_tmo; - struct timeout sc_dtr_tmo; - int sc_overflows; - int sc_floods; - int sc_errors; - int sc_halt; - uint8_t sc_ier; - uint8_t sc_mcr; - uint8_t sc_msr; - uint8_t sc_dtr; - uint8_t sc_lcr; - int sc_frequency; - uint8_t sc_hwflags; -#define COM_HW_NOIEN 0x01 -#define COM_HW_FIFO 0x02 -#define COM_HW_SIR 0x20 -#define COM_HW_CONSOLE 0x40 -#define COM_HW_KGDB 0x80 - uint8_t sc_swflags; -#define COM_SW_SOFTCAR 0x01 -#define COM_SW_CLOCAL 0x02 -#define COM_SW_CRTSCTS 0x04 -#define COM_SW_MDMBUF 0x08 -#define COM_SW_PPS 0x10 - - uint8_t sc_initialize; - uint8_t sc_cua; - uint8_t *sc_ibuf, *sc_ibufp, *sc_ibufhigh, *sc_ibufend; -#define SXIUART_IBUFSIZE 128 -#define SXIUART_IHIGHWATER 100 - uint8_t sc_ibufs[2][SXIUART_IBUFSIZE]; -}; - - -int sxiuartprobe(struct device *, void *, void *); -int sxiuart_match(struct device *, void *, void *); -void sxiuart_attach(struct device *, struct device *, void *); - -void sxiuartcnprobe(struct consdev *); -void sxiuartcninit(struct consdev *); -int sxiuartcnattach(bus_space_tag_t, bus_addr_t, int, long, tcflag_t); -int sxiuartcngetc(dev_t); -void sxiuartcnputc(dev_t, int); -void sxiuartcnpollc(dev_t, int); -int sxiuart_param(struct tty *, struct termios *); -void sxiuart_start(struct tty *); -void sxiuart_pwroff(struct sxiuart_softc *); -void sxiuart_diag(void *); -void sxiuart_raisedtr(void *); -void sxiuart_softint(void *); -int sxiuart_intr(void *); - -extern int comcnspeed; -extern int comcnmode; - -struct sxiuart_softc *sxiuart_sc(dev_t); - -/* XXX - we imitate 'com' serial ports and take over their entry points */ -/* XXX: These belong elsewhere */ -cdev_decl(sxiuart); - -struct cfattach sxiuart_ca = { - sizeof(struct sxiuart_softc), sxiuart_match, sxiuart_attach -}; - -struct cfdriver sxiuart_cd = { - NULL, "sxiuart", DV_TTY -}; - -struct consdev sxiuartcons = { - sxiuartcnprobe, sxiuartcninit, - sxiuartcngetc, sxiuartcnputc, - sxiuartcnpollc, NULL, - NODEV, CN_HIGHPRI -}; - -bus_space_tag_t sxiuartconsiot; -bus_space_handle_t sxiuartconsioh; -bus_addr_t sxiuartconsaddr; -tcflag_t sxiuartconscflag = TTYDEF_CFLAG; -int sxiuartdefaultrate = B115200; - -struct cdevsw sxiuartdev = - cdev_tty_init(1/*XXX NIMXUART */ , sxiuart); /* 12: serial port */ - -void -sxiuart_init_cons(void) -{ - struct fdt_reg reg; - void *node; - - if ((node = fdt_find_cons("snps,dw-apb-uart")) == NULL) - return; - if (fdt_get_reg(node, 0, ®)) - return; - - sxiuartcnattach(&armv7_a4x_bs_tag, reg.addr, comcnspeed, 24000000, - comcnmode); -} - -int -sxiuart_match(struct device *parent, void *match, void *aux) -{ - struct fdt_attach_args *faa = aux; - - return OF_is_compatible(faa->fa_node, "snps,dw-apb-uart"); -} - -void -sxiuart_attach(struct device *parent, struct device *self, void *aux) -{ - struct sxiuart_softc *sc = (struct sxiuart_softc *) self; - struct fdt_attach_args *faa = aux; - bus_space_tag_t iot; - bus_space_handle_t ioh; - int s; - - if (faa->fa_nreg < 1) - return; - - pinctrl_byname(faa->fa_node, "default"); - - sc->sc_iot = iot = faa->fa_iot; - if (bus_space_map(sc->sc_iot, faa->fa_reg[0].addr, - faa->fa_reg[0].size, 0, &sc->sc_ioh)) - panic("sxiuartattach: bus_space_map failed!"); - ioh = sc->sc_ioh; - - if (faa->fa_reg[0].addr == sxiuartconsaddr) { - cn_tab->cn_dev = makedev(12 /* XXX */, 0); - cdevsw[12] = sxiuartdev; /* KLUDGE */ - - printf(": console"); - /* XXX compare uses of COM_HW_CONSOLE against com.c */ - SET(sc->sc_hwflags, COM_HW_CONSOLE); - SET(sc->sc_swflags, COM_SW_SOFTCAR); - sxiuartconsiot = iot; - sxiuartconsioh = ioh; - } - - timeout_set(&sc->sc_diag_tmo, sxiuart_diag, sc); - timeout_set(&sc->sc_dtr_tmo, sxiuart_raisedtr, sc); - sc->sc_si = softintr_establish(IPL_TTY, sxiuart_softint, sc); - if(sc->sc_si == NULL) - panic("%s: can't establish soft interrupt.", - sc->sc_dev.dv_xname); - - sc->sc_frequency = 24000000; /* XXX */ - - if ((bus_space_read_1(sc->sc_iot, sc->sc_ioh, SXIUART_IIR) & - IIR_BUSY) == IIR_BUSY) - (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, SXIUART_USR); - sc->sc_ier = 0; - /* disable interrupts */ - bus_space_write_1(iot, ioh, SXIUART_IER, sc->sc_ier); - - /* clear and disable fifo */ - bus_space_write_1(iot, ioh, SXIUART_FCR, 0 | RFIFOR | XFIFOR); - - s = splhigh(); - SET(sc->sc_mcr, MCR_DTR | MCR_RTS | MCR_IENABLE); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, SXIUART_MCR, sc->sc_mcr); - splx(s); - - arm_intr_establish_fdt(faa->fa_node, IPL_TTY, - sxiuart_intr, sc, sc->sc_dev.dv_xname); - - printf("\n"); -} - -int -sxiuart_intr(void *arg) -{ - struct sxiuart_softc *sc = arg; - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - struct tty *tp; - uint32_t cnt; - uint8_t c, iir, lsr, msr, delta; - uint8_t *p; - - iir = bus_space_read_1(iot, ioh, SXIUART_IIR); - - if ((iir & IIR_IMASK) == IIR_BUSY) { - (void)bus_space_read_1(iot, ioh, SXIUART_USR); - return (0); - } - if (ISSET(iir, IIR_NOPEND)) - return (0); - - if (sc->sc_tty == NULL) - return (0); - - tp = sc->sc_tty; - cnt = 0; -loop: - lsr = bus_space_read_1(iot, ioh, SXIUART_LSR); - if (ISSET(lsr, LSR_RXRDY)) { - if (cnt == 0) { - p = sc->sc_ibufp; - softintr_schedule(sc->sc_si); - } - cnt++; - - c = bus_space_read_1(iot, ioh, SXIUART_RBR); - if (ISSET(lsr, LSR_BI)) { -#if defined(DDB) - if (ISSET(sc->sc_hwflags, - COM_HW_CONSOLE)) { - if (db_console) - Debugger(); - goto loop; - } -#endif - c = 0; - } - if (p >= sc->sc_ibufend) { - sc->sc_floods++; - if (sc->sc_errors++ == 0) - timeout_add_sec(&sc->sc_diag_tmo, 60); - } else { - *p++ = c; - *p++ = lsr; - if (p == sc->sc_ibufhigh && - ISSET(tp->t_cflag, CRTSCTS)) { - /* XXX */ - CLR(sc->sc_mcr, MCR_RTS); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - } - } - goto loop; - } else if (cnt > 0) - sc->sc_ibufp = p; - - msr = bus_space_read_1(iot, ioh, SXIUART_MSR); - if (msr != sc->sc_msr) { - delta = msr ^ sc->sc_msr; - - ttytstamp(tp, sc->sc_msr & MSR_CTS, - msr & MSR_CTS, sc->sc_msr & MSR_DCD, - msr & MSR_DCD); - - sc->sc_msr = msr; - if (ISSET(delta, MSR_DCD)) { - if (!ISSET(sc->sc_swflags, COM_SW_SOFTCAR) && - (*linesw[tp->t_line].l_modem)(tp, - ISSET(msr, MSR_DCD)) == 0) { - CLR(sc->sc_mcr, sc->sc_dtr); - bus_space_write_1(iot, ioh, SXIUART_MCR, - sc->sc_mcr); - } - } - if (ISSET(delta & msr, MSR_CTS) && - ISSET(tp->t_cflag, CRTSCTS)) - (*linesw[tp->t_line].l_start)(tp); - } - - if (ISSET(tp->t_state, TS_BUSY) && ISSET(lsr, LSR_TXRDY)) { - CLR(tp->t_state, TS_BUSY | TS_FLUSH); - if (sc->sc_halt > 0) - wakeup(&tp->t_outq); - (*linesw[tp->t_line].l_start)(tp); - } - - iir = bus_space_read_1(iot, ioh, SXIUART_IIR); - - if (ISSET(iir, IIR_NOPEND)) - goto done; - - cnt = 0; - goto loop; -done: - return (1); -} - -int -sxiuart_param(struct tty *tp, struct termios *t) -{ - struct sxiuart_softc *sc = sxiuart_cd.cd_devs[DEVUNIT(tp->t_dev)]; - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int ospeed = t->c_ospeed; - int error; - tcflag_t oldcflag; - uint16_t ratediv; - uint8_t lcr = 0; - - if (t->c_ospeed < 0 || (t->c_ispeed && t->c_ispeed != t->c_ospeed)) - return (EINVAL); - - /* XXX get prev state of SXIUART_LCR_SBREAK bit */ - - switch (ISSET(t->c_cflag, CSIZE)) { - case CS5: - SET(lcr, LCR_5BITS); - break; - case CS6: - SET(lcr, LCR_6BITS); - break; - case CS7: - SET(lcr, LCR_7BITS); - break; - case CS8: - SET(lcr, LCR_8BITS); - break; - } - if (ISSET(t->c_cflag, PARENB)) { - SET(lcr, LCR_PENAB); - if (!ISSET(t->c_cflag, PARODD)) - SET(lcr, LCR_PEVEN); - } - if (ISSET(t->c_cflag, CSTOPB)) - SET(lcr, LCR_STOPB); - - sc->sc_lcr = lcr; - - if (ospeed == 0) { - CLR(sc->sc_mcr, MCR_DTR); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - } - - if (sc->sc_initialize || (tp->t_ispeed != t->c_ispeed)) { - sc->sc_initialize = 0; - - if (ospeed != 0) { - while (ISSET(tp->t_state, TS_BUSY)) { - ++sc->sc_halt; - error = ttysleep(tp, &tp->t_outq, - TTOPRI | PCATCH, "sxiuartprm", 0); - --sc->sc_halt; - if (error) { - sxiuart_start(tp); - return (error); - } - } - - bus_space_write_1(iot, ioh, SXIUART_LCR, - lcr | LCR_DLAB); - ratediv = 13; - bus_space_write_1(iot, ioh, SXIUART_DLL, ratediv); - bus_space_write_1(iot, ioh, SXIUART_DLH, ratediv >> 8); - bus_space_write_1(iot, ioh, SXIUART_LCR, lcr); - SET(sc->sc_mcr, MCR_DTR); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - } else - bus_space_write_1(iot, ioh, SXIUART_LCR, lcr); - - /* setup fifo */ - bus_space_write_1(iot, ioh, SXIUART_FCR, FIFOE | FIFO_RXT0); - } else - bus_space_write_1(iot, ioh, SXIUART_LCR, lcr); - - /* When not using CRTSCTS, RTS follows DTR. */ - if (!ISSET(t->c_cflag, CRTSCTS)) { - if (ISSET(sc->sc_mcr, MCR_DTR)) { - if (!ISSET(sc->sc_mcr, MCR_RTS)) { - SET(sc->sc_mcr, MCR_RTS); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - } - } else { - if (ISSET(sc->sc_mcr, MCR_RTS)) { - CLR(sc->sc_mcr, MCR_RTS); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - } - } - sc->sc_dtr = MCR_DTR | MCR_RTS; - } else - sc->sc_dtr = MCR_DTR; - - - /* and copy to tty */ - tp->t_ispeed = t->c_ispeed; - tp->t_ospeed = t->c_ospeed; - oldcflag = tp->t_cflag; - tp->t_cflag = t->c_cflag; - - /* - * If DCD is off and MDMBUF is changed, ask the tty layer if we should - * stop the device. - */ - if (!ISSET(sc->sc_msr, MSR_DCD) && - !ISSET(sc->sc_swflags, COM_SW_SOFTCAR) && - ISSET(oldcflag, MDMBUF) != ISSET(tp->t_cflag, MDMBUF) && - (*linesw[tp->t_line].l_modem)(tp, 0) == 0) { - CLR(sc->sc_mcr, sc->sc_dtr); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - } - - - sxiuart_start(tp); - - return (0); -} - -void -sxiuart_start(struct tty *tp) -{ - struct sxiuart_softc *sc = sxiuart_sc(tp->t_dev); - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - int i, n, s; - uint8_t buf[64]; - - s = spltty(); - if (ISSET(tp->t_state, TS_BUSY)) { - splx(s); - return; - } - if (ISSET(tp->t_state, TS_TIMEOUT | TS_TTSTOP) || sc->sc_halt > 0) - goto stopped; - if (ISSET(tp->t_cflag, CRTSCTS) && !ISSET(sc->sc_msr, MSR_CTS)) - goto stopped; -#if 0 - if (tp->t_outq.c_cc <= tp->t_lowat) { - if (ISSET(tp->t_state, TS_ASLEEP)) { - CLR(tp->t_state, TS_ASLEEP); - wakeup(&tp->t_outq); - } - if (tp->t_outq.c_cc == 0) - goto stopped; - selwakeup(&tp->t_wsel); - } -#else - ttwakeupwr(tp); - if (tp->t_outq.c_cc == 0) - goto stopped; -#endif - SET(tp->t_state, TS_BUSY); - - if (!ISSET(sc->sc_ier, IER_ETXRDY)) { - SET(sc->sc_ier, IER_ETXRDY); - bus_space_write_1(iot, ioh, SXIUART_IER, sc->sc_ier); - } - - n = q_to_b(&tp->t_outq, buf, sizeof(buf)); - for (i = 0; i < n; i++) - bus_space_write_1(iot, ioh, SXIUART_THR, buf[i]); - bzero(buf, n); - splx(s); - return; -stopped: - if (ISSET(sc->sc_ier, IER_ETXRDY)) { - CLR(sc->sc_ier, IER_ETXRDY); - bus_space_write_1(iot, ioh, SXIUART_IER, sc->sc_ier); - } - splx(s); -} - -void -sxiuart_pwroff(struct sxiuart_softc *sc) -{ -} - -void -sxiuart_diag(void *arg) -{ - struct sxiuart_softc *sc = arg; - int overflows, floods; - int s = spltty(); - sc->sc_errors = 0; - overflows = sc->sc_overflows; - sc->sc_overflows = 0; - floods = sc->sc_floods; - sc->sc_floods = 0; - splx(s); - log(LOG_WARNING, "%s: %d silo overflow%s, %d ibuf overflow%s\n", - sc->sc_dev.dv_xname, - overflows, overflows == 1 ? "" : "s", - floods, floods == 1 ? "" : "s"); -} - -void -sxiuart_raisedtr(void *arg) -{ - struct sxiuart_softc *sc = arg; - - SET(sc->sc_mcr, MCR_DTR | MCR_RTS); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, SXIUART_MCR, sc->sc_mcr); -} - -void -sxiuart_softint(void *arg) -{ - struct sxiuart_softc *sc = arg; - struct tty *tp; - uint8_t *ibufp; - uint8_t *ibufend; - int c, s; - static int lsrmap[8] = { - 0, TTY_PE, - TTY_FE, TTY_PE|TTY_FE, - TTY_FE, TTY_PE|TTY_FE, - TTY_FE, TTY_PE|TTY_FE - }; - - if (sc == NULL || sc->sc_ibufp == sc->sc_ibuf) - return; - tp = sc->sc_tty; - - s = spltty(); - - ibufp = sc->sc_ibuf; - ibufend = sc->sc_ibufp; - - if (ibufp == ibufend) { - splx(s); - return; - } - - sc->sc_ibufp = sc->sc_ibuf = (ibufp == sc->sc_ibufs[0]) ? - sc->sc_ibufs[1] : sc->sc_ibufs[0]; - sc->sc_ibufhigh = sc->sc_ibuf + SXIUART_IHIGHWATER; - sc->sc_ibufend = sc->sc_ibuf + SXIUART_IBUFSIZE; - - if (tp == NULL || !ISSET(tp->t_state, TS_ISOPEN)) { - splx(s); - return; - } - - if (ISSET(tp->t_cflag, CRTSCTS) && - !ISSET(sc->sc_mcr, MCR_RTS)) { - /* XXX */ - SET(sc->sc_mcr, MCR_RTS); - bus_space_write_1(sc->sc_iot, sc->sc_ioh, SXIUART_MCR, - sc->sc_mcr); - } - - splx(s); - - while (ibufp < ibufend) { - c = *ibufp++; - if (ISSET(*ibufp, LSR_OE)) { - sc->sc_overflows++; - if (sc->sc_errors++ == 0) - timeout_add_sec(&sc->sc_diag_tmo, 60); - } - /* This is ugly, but fast. */ -#define ASD (LSR_BI | LSR_FE | LSR_PE) - c |= lsrmap[(*ibufp++ & ASD) >> 2]; -#undef ASD - (*linesw[tp->t_line].l_rint)(c, tp); - } -} - -int -sxiuartopen(dev_t dev, int flag, int mode, struct proc *p) -{ - struct sxiuart_softc *sc; - bus_space_tag_t iot; - bus_space_handle_t ioh; - struct tty *tp; - int s; - int error = 0; - - sc = sxiuart_sc(dev); - if (sc == NULL) - return (ENXIO); - - s = spltty(); - if (sc->sc_tty == NULL) - tp = sc->sc_tty = ttymalloc(1000000); - else - tp = sc->sc_tty; - splx(s); - - tp->t_oproc = sxiuart_start; - tp->t_param = sxiuart_param; - tp->t_dev = dev; - - if (!ISSET(tp->t_state, TS_ISOPEN)) { - SET(tp->t_state, TS_WOPEN); - ttychars(tp); - tp->t_iflag = TTYDEF_IFLAG; - tp->t_oflag = TTYDEF_OFLAG; - - if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) - tp->t_cflag = sxiuartconscflag; - else - 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 = sxiuartdefaultrate; - - s = spltty(); - - sc->sc_initialize = 1; - sxiuart_param(tp, &tp->t_termios); - ttsetwater(tp); - - sc->sc_ibufp = sc->sc_ibuf = sc->sc_ibufs[0]; - sc->sc_ibufhigh = sc->sc_ibuf + SXIUART_IHIGHWATER; - sc->sc_ibufend = sc->sc_ibuf + SXIUART_IBUFSIZE; - - iot = sc->sc_iot; - ioh = sc->sc_ioh; - - /* (Re)enable and drain FIFOs. */ - for (;;) { - bus_space_write_1(iot, ioh, SXIUART_FCR, 0); - delay(100); - (void)bus_space_read_1(iot, ioh, SXIUART_RBR); - bus_space_write_1(iot, ioh, SXIUART_FCR, - FIFOE | FIFO_RXT0); - delay(100); - if (!ISSET(bus_space_read_1(iot, ioh, SXIUART_LSR), - LSR_RXRDY)) - break; - } - - sc->sc_mcr = MCR_DTR | MCR_RTS | MCR_IENABLE; - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - - sc->sc_ier = IER_ERXRDY | IER_ERLS | IER_EMSC; - bus_space_write_1(iot, ioh, SXIUART_IER, sc->sc_ier); - - sc->sc_msr = bus_space_read_1(iot, ioh, SXIUART_MSR); - if (ISSET(sc->sc_swflags, COM_SW_SOFTCAR) || DEVCUA(dev) || - 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); - - - } else if (ISSET(tp->t_state, TS_XCLUDE) && suser(p, 0) != 0) - return (EBUSY); - else - s = spltty(); - - if (DEVCUA(dev)) { - if (ISSET(tp->t_state, TS_ISOPEN)) { - splx(s); - return (EBUSY); - } - sc->sc_cua = 1; - } else { - /* tty (not cua) device; wait for carrier if necessary */ - if (ISSET(flag, O_NONBLOCK)) { - if (sc->sc_cua) { - /* Opening TTY non-blocking... but the CUA is busy */ - splx(s); - return (EBUSY); - } - } else { - while (sc->sc_cua || - (!ISSET(tp->t_cflag, CLOCAL) && - !ISSET(tp->t_state, TS_CARR_ON))) { - SET(tp->t_state, TS_WOPEN); - error = ttysleep(tp, &tp->t_rawq, - TTIPRI | PCATCH, ttopen, 0); - /* - * If TS_WOPEN has been reset, that means the - * cua device has been closed. We don't want - * to fail in that case, - * so just go around again. - */ - if (error && ISSET(tp->t_state, TS_WOPEN)) { - CLR(tp->t_state, TS_WOPEN); - if (!sc->sc_cua && !ISSET(tp->t_state, - TS_ISOPEN)) - sxiuart_pwroff(sc); - splx(s); - return (error); - } - } - } - } - splx(s); - - return (*linesw[tp->t_line].l_open)(dev, tp, p); -} - -int -sxiuartclose(dev_t dev, int flag, int mode, struct proc *p) -{ - int unit = DEVUNIT(dev); - struct sxiuart_softc *sc = sxiuart_cd.cd_devs[unit]; - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - struct tty *tp = sc->sc_tty; - int s; - - /* XXX This is for cons.c. */ - if (!ISSET(tp->t_state, TS_ISOPEN)) - return (0); - - (*linesw[tp->t_line].l_close)(tp, flag, p); - s = spltty(); - if (ISSET(tp->t_state, TS_WOPEN)) { - /* tty device is waiting for carrier; drop dtr then re-raise */ - CLR(sc->sc_mcr, MCR_DTR | MCR_RTS); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - timeout_add(&sc->sc_dtr_tmo, hz * 2); - } else { - /* no one else waiting; turn off the uart */ - sxiuart_pwroff(sc); - } - CLR(tp->t_state, TS_BUSY | TS_FLUSH); - - sc->sc_cua = 0; - splx(s); - ttyclose(tp); - - return (0); -} - -int -sxiuartread(dev_t dev, struct uio *uio, int flag) -{ - struct tty *tty; - - tty = sxiuarttty(dev); - if (tty == NULL) - return (ENODEV); - - return ((*linesw[tty->t_line].l_read)(tty, uio, flag)); -} - -int -sxiuartwrite(dev_t dev, struct uio *uio, int flag) -{ - struct tty *tty; - - tty = sxiuarttty(dev); - if (tty == NULL) - return (ENODEV); - - return ((*linesw[tty->t_line].l_write)(tty, uio, flag)); -} - -static u_char tiocm_xxx2mcr(int); - -static u_char -tiocm_xxx2mcr(int data) -{ - u_char m = 0; - - if (ISSET(data, TIOCM_DTR)) - SET(m, MCR_DTR); - if (ISSET(data, TIOCM_RTS)) - SET(m, MCR_RTS); - return m; -} - -int -sxiuartioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) -{ - struct sxiuart_softc *sc; - struct tty *tp; - bus_space_tag_t iot; - bus_space_handle_t ioh; - int error; - - sc = sxiuart_sc(dev); - if (sc == NULL) - return (ENODEV); - - tp = sc->sc_tty; - if (tp == NULL) - return (ENXIO); - - error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); - if (error >= 0) - return (error); - - error = ttioctl(tp, cmd, data, flag, p); - if (error >= 0) - return (error); - - iot = sc->sc_iot; - ioh = sc->sc_ioh; - - switch (cmd) { - case TIOCSBRK: - SET(sc->sc_lcr, LCR_SBREAK); - bus_space_write_1(iot, ioh, SXIUART_LCR, sc->sc_lcr); - break; - case TIOCCBRK: - CLR(sc->sc_lcr, LCR_SBREAK); - bus_space_write_1(iot, ioh, SXIUART_LCR, sc->sc_lcr); - break; - case TIOCSDTR: - SET(sc->sc_mcr, sc->sc_dtr); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - break; - case TIOCCDTR: - CLR(sc->sc_mcr, sc->sc_dtr); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - break; - case TIOCMSET: - CLR(sc->sc_mcr, MCR_DTR | MCR_RTS); - case TIOCMBIS: - SET(sc->sc_mcr, tiocm_xxx2mcr(*(int *)data)); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - break; - case TIOCMBIC: - CLR(sc->sc_mcr, tiocm_xxx2mcr(*(int *)data)); - bus_space_write_1(iot, ioh, SXIUART_MCR, sc->sc_mcr); - break; - case TIOCMGET: { - u_char m; - int bits = 0; - - m = sc->sc_mcr; - if (ISSET(m, MCR_DTR)) - SET(bits, TIOCM_DTR); - if (ISSET(m, MCR_RTS)) - SET(bits, TIOCM_RTS); - m = sc->sc_msr; - if (ISSET(m, MSR_DCD)) - SET(bits, TIOCM_CD); - if (ISSET(m, MSR_CTS)) - SET(bits, TIOCM_CTS); - if (ISSET(m, MSR_DSR)) - SET(bits, TIOCM_DSR); - if (ISSET(m, MSR_RI | MSR_TERI)) - SET(bits, TIOCM_RI); - if (bus_space_read_1(iot, ioh, SXIUART_IER)) - SET(bits, TIOCM_LE); - *(int *)data = bits; - break; - } - case TIOCGFLAGS: { - int driverbits, userbits = 0; - - driverbits = sc->sc_swflags; - if (ISSET(driverbits, COM_SW_SOFTCAR)) - SET(userbits, TIOCFLAG_SOFTCAR); - if (ISSET(driverbits, COM_SW_CLOCAL)) - SET(userbits, TIOCFLAG_CLOCAL); - if (ISSET(driverbits, COM_SW_CRTSCTS)) - SET(userbits, TIOCFLAG_CRTSCTS); - if (ISSET(driverbits, COM_SW_MDMBUF)) - SET(userbits, TIOCFLAG_MDMBUF); - if (ISSET(driverbits, COM_SW_PPS)) - SET(userbits, TIOCFLAG_PPS); - - *(int *)data = userbits; - break; - } - case TIOCSFLAGS: { - int userbits, driverbits = 0; - - error = suser(p, 0); - if (error != 0) - return(EPERM); - - userbits = *(int *)data; - if (ISSET(userbits, TIOCFLAG_SOFTCAR) || - ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) - SET(driverbits, COM_SW_SOFTCAR); - if (ISSET(userbits, TIOCFLAG_CLOCAL)) - SET(driverbits, COM_SW_CLOCAL); - if (ISSET(userbits, TIOCFLAG_CRTSCTS)) - SET(driverbits, COM_SW_CRTSCTS); - if (ISSET(userbits, TIOCFLAG_MDMBUF)) - SET(driverbits, COM_SW_MDMBUF); - if (ISSET(userbits, TIOCFLAG_PPS)) - SET(driverbits, COM_SW_PPS); - - sc->sc_swflags = driverbits; - break; - } - default: - return (ENOTTY); - } - - return (0); -} - - -int -sxiuartstop(struct tty *tp, int flag) -{ - return (0); -} - -struct tty * -sxiuarttty(dev_t dev) -{ - int unit; - struct sxiuart_softc *sc; - unit = DEVUNIT(dev); - if (unit >= sxiuart_cd.cd_ndevs) - return (NULL); - sc = (struct sxiuart_softc *)sxiuart_cd.cd_devs[unit]; - if (sc == NULL) - return (NULL); - return (sc->sc_tty); -} - -struct sxiuart_softc * -sxiuart_sc(dev_t dev) -{ - int unit; - struct sxiuart_softc *sc; - unit = DEVUNIT(dev); - if (unit >= sxiuart_cd.cd_ndevs) - return (NULL); - sc = (struct sxiuart_softc *)sxiuart_cd.cd_devs[unit]; - return (sc); -} - -/* serial console */ -void -sxiuartcnprobe(struct consdev *cp) -{ - cp->cn_dev = makedev(12 /* XXX */, 0); - cp->cn_pri = CN_HIGHPRI; -} - -void -sxiuartcninit(struct consdev *cp) -{ -} - -int -sxiuartcnattach(bus_space_tag_t iot, bus_addr_t iobase, int rate, long freq, - tcflag_t cflag) -{ - int s; - uint16_t ratediv; - - if (bus_space_map(iot, iobase, UARTx_SIZE, 0, &sxiuartconsioh)) - return (ENOMEM); - - sxiuartconsiot = iot; - sxiuartconsaddr = iobase; - sxiuartconscflag = cflag; - - s = splhigh(); - bus_space_write_1(iot, sxiuartconsioh, SXIUART_LCR, LCR_DLAB); - - ratediv = 13; /* for 115200baud with 24000000hz freq */ - bus_space_write_1(iot, sxiuartconsioh, SXIUART_DLL, ratediv); - bus_space_write_1(iot, sxiuartconsioh, SXIUART_DLH, ratediv >> 8); - bus_space_write_1(iot, sxiuartconsioh, SXIUART_LCR, LCR_8BITS); - - bus_space_write_1(iot, sxiuartconsioh, SXIUART_MCR, MCR_DTR | MCR_RTS); - bus_space_write_1(iot, sxiuartconsioh, SXIUART_IER, 0); - - bus_space_write_1(iot, sxiuartconsioh, SXIUART_FCR, FIFOE | FIFO_RXT0); - - (void)bus_space_read_1(iot, sxiuartconsioh, SXIUART_IIR); - splx(s); - - cn_tab = &sxiuartcons; - - return (0); -} - -int -sxiuartcngetc(dev_t dev) -{ - int s; - uint8_t c; - - s = splhigh(); - - while (!ISSET(bus_space_read_1(sxiuartconsiot, sxiuartconsioh, - SXIUART_LSR), LSR_RXRDY)) - continue; - c = bus_space_read_1(sxiuartconsiot, sxiuartconsioh, SXIUART_RBR); - - /* clear any pending interrupts */ - (void)bus_space_read_1(sxiuartconsiot, sxiuartconsioh, SXIUART_IIR); - - splx(s); - return (c); -} - -void -sxiuartcnputc(dev_t dev, int c) -{ - int s = spltty(); - int timo = 500; - - while (!ISSET(bus_space_read_1(sxiuartconsiot, sxiuartconsioh, - SXIUART_LSR), LSR_THRE) && --timo) - continue; - - bus_space_write_1(sxiuartconsiot, sxiuartconsioh, SXIUART_THR, - (uint8_t)c); - bus_space_barrier(sxiuartconsiot, sxiuartconsioh, 0, 1, - BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE); - - splx(s); -} - -void -sxiuartcnpollc(dev_t dev, int on) -{ -} -- 2.20.1