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authortedu <tedu@openbsd.org>2016-09-01 09:23:41 +0000
committertedu <tedu@openbsd.org>2016-09-01 09:23:41 +0000
commit1bf2da8204446fb8228393ba6b9334574c4140ff (patch)
tree7fe6dd93f95f5b3bab1995aa73671e23a1fb13bd /sys/arch/sparc/dev/magma.c
parentRTM_CHANGE should not allow to change the gateway of a mpath route. (diff)
downloadwireguard-openbsd-1bf2da8204446fb8228393ba6b9334574c4140ff.tar.xz
wireguard-openbsd-1bf2da8204446fb8228393ba6b9334574c4140ff.zip
Celebrate OpenBSD 6.0 release by retiring the sparc port.
You've served us well, good friend, but now it's time to rest. ok deraadt
Diffstat (limited to 'sys/arch/sparc/dev/magma.c')
-rw-r--r--sys/arch/sparc/dev/magma.c1901
1 files changed, 0 insertions, 1901 deletions
diff --git a/sys/arch/sparc/dev/magma.c b/sys/arch/sparc/dev/magma.c
deleted file mode 100644
index bd98e4cb956..00000000000
--- a/sys/arch/sparc/dev/magma.c
+++ /dev/null
@@ -1,1901 +0,0 @@
-/* $OpenBSD: magma.c,v 1.30 2016/03/14 18:01:18 stefan Exp $ */
-
-/*-
- * Copyright (c) 1998 Iain Hibbert
- * 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 ``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 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.
- */
-
-/*
- * Driver for Magma SBus Serial/Parallel cards using the Cirrus Logic
- * CD1400 & CD1190 chips
- */
-
-#include "magma.h"
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/device.h>
-#include <sys/file.h>
-#include <sys/ioctl.h>
-#include <sys/malloc.h>
-#include <sys/tty.h>
-#include <sys/time.h>
-#include <sys/kernel.h>
-#include <sys/syslog.h>
-#include <sys/conf.h>
-#include <sys/errno.h>
-
-#include <sparc/autoconf.h>
-#include <sparc/conf.h>
-#include <sparc/cpu.h>
-#include <sparc/ctlreg.h>
-
-#include <sparc/sparc/asm.h>
-
-#include <dev/ic/cd1400reg.h>
-#include <dev/ic/cd1190reg.h>
-
-#include <sparc/bppioctl.h>
-#include <sparc/dev/magmareg.h>
-
-#ifdef MAGMA_DEBUG
-#define dprintf(x) printf x
-#else
-#define dprintf(x)
-#endif
-
-/*
- * Supported cards table.
- *
- * The table below lists the cards that this driver is likely to
- * be able to support.
- *
- * Cards with parallel ports: except for the LC2+1Sp, they all use
- * the CD1190 chip which I know nothing about. I've tried to leave
- * hooks for it so it shouldn't be too hard to add support later.
- * (I think somebody is working on this separately)
- *
- * Thanks to Bruce at Magma for telling me the hardware offsets.
- */
-static const struct magma_board_info supported_cards[] = {
- {
- "MAGMA_Sp", "MAGMA,4_Sp", "Magma 4 Sp", 4, 0,
- 1, 0xa000, 0xc000, 0xe000, { 0x8000, 0, 0, 0 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,8_Sp", "Magma 8 Sp", 8, 0,
- 2, 0xa000, 0xc000, 0xe000, { 0x4000, 0x6000, 0, 0 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,_8HS_Sp", "Magma Fast 8 Sp", 8, 0,
- 2, 0x2000, 0x4000, 0x6000, { 0x8000, 0xa000, 0, 0 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,_8SP_422", "Magma 8 Sp - 422", 8, 0,
- 2, 0x2000, 0x4000, 0x6000, { 0x8000, 0xa000, 0, 0 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,12_Sp", "Magma 12 Sp", 12, 0,
- 3, 0xa000, 0xc000, 0xe000, { 0x2000, 0x4000, 0x6000, 0 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,16_Sp", "Magma 16 Sp", 16, 0,
- 4, 0xd000, 0xe000, 0xf000, { 0x8000, 0x9000, 0xa000, 0xb000 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,16_Sp_2", "Magma 16 Sp", 16, 0,
- 4, 0x2000, 0x4000, 0x6000, { 0x8000, 0xa000, 0xc000, 0xe000 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,16HS_Sp", "Magma Fast 16 Sp", 16, 0,
- 4, 0x2000, 0x4000, 0x6000, { 0x8000, 0xa000, 0xc000, 0xe000 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,21_Sp", "Magma LC 2+1 Sp", 2, 1,
- 1, 0xa000, 0xc000, 0xe000, { 0x8000, 0, 0, 0 },
- 0, { 0, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,21HS_Sp", "Magma 2+1 Sp", 2, 1,
- 1, 0xa000, 0xc000, 0xe000, { 0x4000, 0, 0, 0 },
- 1, { 0x6000, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,41_Sp", "Magma 4+1 Sp", 4, 1,
- 1, 0xa000, 0xc000, 0xe000, { 0x4000, 0, 0, 0 },
- 1, { 0x6000, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,82_Sp", "Magma 8+2 Sp", 8, 2,
- 2, 0xd000, 0xe000, 0xf000, { 0x8000, 0x9000, 0, 0 },
- 2, { 0xa000, 0xb000 }
- },
- {
- "MAGMA_Sp", "MAGMA,P1_Sp", "Magma P1 Sp", 0, 1,
- 0, 0, 0, 0, { 0, 0, 0, 0 },
- 1, { 0x8000, 0 }
- },
- {
- "MAGMA_Sp", "MAGMA,P2_Sp", "Magma P2 Sp", 0, 2,
- 0, 0, 0, 0, { 0, 0, 0, 0 },
- 2, { 0x4000, 0x8000 }
- },
- {
- "MAGMA 2+1HS Sp", "", "Magma 2+1HS Sp", 2, 0,
- 1, 0xa000, 0xc000, 0xe000, { 0x4000, 0, 0, 0 },
- 1, { 0x8000, 0 }
- },
- {
- NULL, NULL, NULL, 0, 0,
- 0, 0, 0, 0, { 0, 0, 0, 0 },
- 0, { 0, 0 }
- }
-};
-
-/************************************************************************
- *
- * Autoconfig Stuff
- */
-
-struct cfattach magma_ca = {
- sizeof(struct magma_softc), magma_match, magma_attach
-};
-
-struct cfdriver magma_cd = {
- NULL, "magma", DV_DULL
-};
-
-struct cfattach mtty_ca = {
- sizeof(struct mtty_softc), mtty_match, mtty_attach
-};
-
-struct cfdriver mtty_cd = {
- NULL, "mtty", DV_TTY
-};
-
-struct cfattach mbpp_ca = {
- sizeof(struct mbpp_softc), mbpp_match, mbpp_attach
-};
-
-struct cfdriver mbpp_cd = {
- NULL, "mbpp", DV_DULL
-};
-
-/************************************************************************
- *
- * CD1400 Routines
- *
- * cd1400_compute_baud calculate COR/BPR register values
- * cd1400_write_ccr write a value to CD1400 ccr
- * cd1400_read_reg read from a CD1400 register
- * cd1400_write_reg write to a CD1400 register
- * cd1400_enable_transmitter enable transmitting on CD1400 channel
- */
-
-/*
- * compute the bpr/cor pair for any baud rate
- * returns 0 for success, 1 for failure
- */
-int
-cd1400_compute_baud(speed, clock, cor, bpr)
- speed_t speed;
- int clock;
- int *cor, *bpr;
-{
- int c, co, br;
-
- if (speed < 50 || speed > 150000)
- return (1);
-
- for (c = 0, co = 8 ; co <= 2048 ; co <<= 2, c++) {
- br = ((clock * 1000000) + (co * speed) / 2) / (co * speed);
- if (br < 0x100) {
- *bpr = br;
- *cor = c;
- return (0);
- }
- }
-
- return (1);
-}
-
-/*
- * Write a CD1400 channel command, should have a timeout?
- */
-__inline void
-cd1400_write_ccr(cd, cmd)
- struct cd1400 *cd;
- u_char cmd;
-{
- while (cd1400_read_reg(cd, CD1400_CCR))
- ;
-
- cd1400_write_reg(cd, CD1400_CCR, cmd);
-}
-
-/*
- * read a value from a cd1400 register
- */
-__inline u_char
-cd1400_read_reg(cd, reg)
- struct cd1400 *cd;
- int reg;
-{
- return (cd->cd_reg[reg]);
-}
-
-/*
- * write a value to a cd1400 register
- */
-__inline void
-cd1400_write_reg(cd, reg, value)
- struct cd1400 *cd;
- int reg;
- u_char value;
-{
- cd->cd_reg[reg] = value;
-}
-
-/*
- * enable transmit service requests for cd1400 channel
- */
-void
-cd1400_enable_transmitter(cd, channel)
- struct cd1400 *cd;
- int channel;
-{
- register int s, srer;
-
- s = spltty();
- cd1400_write_reg(cd, CD1400_CAR, channel);
- srer = cd1400_read_reg(cd, CD1400_SRER);
- SET(srer, CD1400_SRER_TXRDY);
- cd1400_write_reg(cd, CD1400_SRER, srer);
- splx(s);
-}
-
-/************************************************************************
- *
- * CD1190 Routines
- */
-
-/* XXX well, there are none yet */
-
-/************************************************************************
- *
- * Magma Routines
- *
- * magma_match reports if we have a magma board available
- * magma_attach attaches magma boards to the sbus
- * magma_hard hardware level interrupt routine
- * magma_soft software level interrupt routine
- */
-
-int
-magma_match(parent, vcf, args)
- struct device *parent;
- void *vcf, *args;
-{
- struct confargs *ca = args;
- struct romaux *ra = &ca->ca_ra;
- const struct magma_board_info *card;
-
- for (card = supported_cards; ; card++) {
- if (card->mb_sbusname == NULL)
- /* End of table: no match */
- return (0);
- if (strcmp(ra->ra_name, card->mb_sbusname) == 0)
- break;
- }
-
-#if defined(MAGMA_DEBUG)
-{
- int i;
-
- printf("magma: matched `%s', nvaddrs %d, nreg %d, nintr %d\n",
- ra->ra_name, ra->ra_nvaddrs, ra->ra_nreg, ra->ra_nintr);
- printf("magma: magma_prom `%s'\n",
- getpropstring(ra->ra_node, "magma_prom"));
- printf("magma: intlevels `%s'\n",
- getpropstring(ra->ra_node, "intlevels"));
- printf("magma: chiprev `%s'\n",
- getpropstring(ra->ra_node, "chiprev"));
- printf("magma: clock `%s'\n",
- getpropstring(ra->ra_node, "clock"));
-
- for (i = 0 ; i < ra->ra_nreg ; i++)
- printf("magma: reg %d; ra_iospace = %d, ra_paddr = 0x%x, ra_len = %d\n",
- i, ra->ra_reg[i].rr_iospace,
- (int)ra->ra_reg[i].rr_paddr, ra->ra_reg[i].rr_len);
- for (i = 0 ; i < ra->ra_nintr ; i++)
- printf("magma: intr %d; pri = %d, vec = %d\n",
- i, ra->ra_intr[i].int_pri, ra->ra_intr[i].int_vec);
-}
-#endif
-
- return (1);
-}
-
-void
-magma_attach(parent, dev, args)
- struct device *parent;
- struct device *dev;
- void *args;
-{
- struct confargs *ca = args;
- struct romaux *ra = &ca->ca_ra;
- struct magma_softc *sc = (struct magma_softc *)dev;
- const struct magma_board_info *card;
- char magma_prom[40], *clockstr;
- int chip, cd_clock, len;
- void *base;
-
- len = getprop(ra->ra_node, "magma_prom",
- magma_prom, sizeof(magma_prom) - 1);
- if (len == -1)
- len = 0;
- magma_prom[len] = '\0';
-
- for (card = supported_cards; card->mb_name != NULL; card++) {
- if (strcmp(ra->ra_name, card->mb_sbusname) != 0)
- continue;
- if (strcmp(magma_prom, card->mb_name) == 0)
- break;
- }
-
- if (card->mb_name == NULL) {
- printf(" %s (unsupported)\n", magma_prom);
- return;
- }
-
-
- clockstr = getpropstring(ra->ra_node, "clock");
- if (strlen(clockstr) == 0)
- cd_clock = 0;
- else {
- cd_clock = 0;
- while (*clockstr != '\0')
- cd_clock = cd_clock * 10 + *clockstr++ - '0';
- }
-
- dprintf((" addr 0x%x", sc));
- printf(" pri %d softpri %d:", ra->ra_intr[0].int_pri, IPL_TTY);
- printf(" %s\n", card->mb_realname);
-
- sc->ms_board = card;
- sc->ms_ncd1400 = card->mb_ncd1400;
- sc->ms_ncd1190 = card->mb_ncd1190;
-
- base = mapiodev(&(ra->ra_reg[0]), 0, ra->ra_reg[0].rr_len);
-
- /* the SVCACK* lines are daisychained */
- sc->ms_svcackr = base + card->mb_svcackr;
- sc->ms_svcackt = base + card->mb_svcackt;
- sc->ms_svcackm = base + card->mb_svcackm;
-
- /* Init the cd1400 chips */
- for (chip = 0 ; chip < card->mb_ncd1400 ; chip++) {
- struct cd1400 *cd = &sc->ms_cd1400[chip];
-
- cd->cd_reg = base + card->mb_cd1400[chip];
-
- cd->cd_clock = cd_clock;
-
- /* getpropstring(ra->ra_node, "chiprev"); */
- /* seemingly the Magma drivers just ignore the propstring */
- cd->cd_chiprev = cd1400_read_reg(cd, CD1400_GFRCR);
-
- dprintf(("%s attach CD1400 %d addr 0x%x rev %x clock %dMHz\n",
- sc->ms_dev.dv_xname, chip,
- cd->cd_reg, cd->cd_chiprev, cd->cd_clock));
-
- /* clear GFRCR */
- cd1400_write_reg(cd, CD1400_GFRCR, 0x00);
-
- /* reset whole chip */
- cd1400_write_ccr(cd, CD1400_CCR_CMDRESET | CD1400_CCR_FULLRESET);
-
- /* wait for revision code to be restored */
- while (cd1400_read_reg(cd, CD1400_GFRCR) != cd->cd_chiprev)
- ;
-
- /* set the Prescaler Period Register to tick at 1ms */
- cd1400_write_reg(cd, CD1400_PPR,
- ((cd->cd_clock * 1000000 / CD1400_PPR_PRESCALER + 500) /
- 1000));
-
- /*
- * The LC2+1Sp card is the only card that doesn't have a CD1190
- * for the parallel port, but uses channel 0 of the CD1400, so
- * we make a note of it for later and set up the CD1400 for
- * parallel mode operation.
- */
- if (card->mb_npar && card->mb_ncd1190 == 0) {
- cd1400_write_reg(cd, CD1400_GCR, CD1400_GCR_PARALLEL);
- cd->cd_parmode = 1;
- }
- }
-
- /* init the cd1190 chips */
- for (chip = 0 ; chip < card->mb_ncd1190 ; chip++) {
- struct cd1190 *cd = &sc->ms_cd1190[chip];
-
- cd->cd_reg = base + card->mb_cd1190[chip];
- dprintf(("%s attach CD1190 %d addr 0x%x (failed)\n",
- sc->ms_dev.dv_xname, chip, cd->cd_reg));
- /* XXX don't know anything about these chips yet */
- }
-
- /* configure the children */
- (void)config_found(dev, mtty_match, NULL);
- (void)config_found(dev, mbpp_match, NULL);
-
- /*
- * enable the interrupt handlers
- */
- sc->ms_hardint.ih_fun = magma_hard;
- sc->ms_hardint.ih_arg = sc;
- intr_establish(ra->ra_intr[0].int_pri, &sc->ms_hardint, -1,
- dev->dv_xname);
-
- sc->ms_softint = softintr_establish(IPL_SOFTTTY, magma_soft, sc);
-}
-
-/*
- * hard interrupt routine
- *
- * returns 1 if it handled it, otherwise 0
- *
- * runs at interrupt priority
- */
-int
-magma_hard(arg)
- void *arg;
-{
- struct magma_softc *sc = arg;
- struct cd1400 *cd;
- int chip, status = 0;
- int serviced = 0;
- int needsoftint = 0;
-
- /*
- * check status of all the CD1400 chips
- */
- for (chip = 0 ; chip < sc->ms_ncd1400 ; chip++)
- status |= cd1400_read_reg(&sc->ms_cd1400[chip], CD1400_SVRR);
-
- if (ISSET(status, CD1400_SVRR_RXRDY)) {
- /* enter rx service context */
- u_char rivr = *sc->ms_svcackr;
- int port = rivr >> 4;
-
- if (rivr & (1 << 3)) { /* parallel port */
- struct mbpp_port *mbpp;
- int n_chars;
-
- mbpp = &sc->ms_mbpp->ms_port[port];
- cd = mbpp->mp_cd1400;
-
- /* don't think we have to handle exceptions */
- n_chars = cd1400_read_reg(cd, CD1400_RDCR);
- while (n_chars--) {
- if (mbpp->mp_cnt == 0) {
- SET(mbpp->mp_flags, MBPPF_WAKEUP);
- needsoftint = 1;
- break;
- }
- *mbpp->mp_ptr = cd1400_read_reg(cd, CD1400_RDSR);
- mbpp->mp_ptr++;
- mbpp->mp_cnt--;
- }
- } else { /* serial port */
- register struct mtty_port *mtty;
- register u_char *ptr, n_chars, line_stat;
-
- mtty = &sc->ms_mtty->ms_port[port];
- cd = mtty->mp_cd1400;
-
- if (ISSET(rivr, CD1400_RIVR_EXCEPTION)) {
- line_stat = cd1400_read_reg(cd, CD1400_RDSR);
- n_chars = 1;
- } else { /* no exception, received data OK */
- line_stat = 0;
- n_chars = cd1400_read_reg(cd, CD1400_RDCR);
- }
-
- ptr = mtty->mp_rput;
- while (n_chars--) {
- *ptr++ = line_stat;
- *ptr++ = cd1400_read_reg(cd, CD1400_RDSR);
- if (ptr == mtty->mp_rend)
- ptr = mtty->mp_rbuf;
- if (ptr == mtty->mp_rget) {
- if (ptr == mtty->mp_rbuf)
- ptr = mtty->mp_rend;
- ptr -= 2;
- SET(mtty->mp_flags, MTTYF_RING_OVERFLOW);
- break;
- }
- }
- mtty->mp_rput = ptr;
-
- needsoftint = 1;
- }
-
- /* end service context */
- cd1400_write_reg(cd, CD1400_EOSRR, 0);
- serviced = 1;
- } /* if (rx_service...) */
-
- if (ISSET(status, CD1400_SVRR_MDMCH)) {
- /* enter mdm service context */
- u_char mivr = *sc->ms_svcackm;
- int port = mivr >> 4;
- struct mtty_port *mtty;
- int carrier;
- u_char msvr;
-
- /*
- * Handle CD (LC2+1Sp = DSR) changes.
- */
- mtty = &sc->ms_mtty->ms_port[port];
- cd = mtty->mp_cd1400;
- msvr = cd1400_read_reg(cd, CD1400_MSVR2);
- carrier = ISSET(msvr,
- cd->cd_parmode ? CD1400_MSVR2_DSR : CD1400_MSVR2_CD);
-
- if (mtty->mp_carrier != carrier) {
- SET(mtty->mp_flags, MTTYF_CARRIER_CHANGED);
- mtty->mp_carrier = carrier;
- needsoftint = 1;
- }
-
- /* end service context */
- cd1400_write_reg(cd, CD1400_EOSRR, 0);
- serviced = 1;
- } /* if (mdm_service...) */
-
- if (ISSET(status, CD1400_SVRR_TXRDY)) {
- /* enter tx service context */
- u_char tivr = *sc->ms_svcackt;
- int port = tivr >> 4;
-
- if (tivr & (1 << 3)) { /* parallel port */
- struct mbpp_port *mbpp;
-
- mbpp = &sc->ms_mbpp->ms_port[port];
- cd = mbpp->mp_cd1400;
-
- if (mbpp->mp_cnt) {
- int count = 0;
-
- /* fill the fifo */
- while (mbpp->mp_cnt &&
- count++ < CD1400_PAR_FIFO_SIZE) {
- cd1400_write_reg(cd, CD1400_TDR,
- *mbpp->mp_ptr);
- mbpp->mp_ptr++;
- mbpp->mp_cnt--;
- }
- } else {
- /*
- * fifo is empty and we got no more data to
- * send, so shut off interrupts and signal for
- * a wakeup, which can't be done here in case
- * we beat mbpp_send to the tsleep call
- * (we are running at psl > spltty).
- */
- cd1400_write_reg(cd, CD1400_SRER, 0);
- SET(mbpp->mp_flags, MBPPF_WAKEUP);
- needsoftint = 1;
- }
- } else { /* serial port */
- struct mtty_port *mtty;
- struct tty *tp;
-
- mtty = &sc->ms_mtty->ms_port[port];
- cd = mtty->mp_cd1400;
- tp = mtty->mp_tty;
-
- if (!ISSET(mtty->mp_flags, MTTYF_STOP)) {
- register int count = 0;
-
- /* check if we should start/stop a break */
- if (ISSET(mtty->mp_flags, MTTYF_SET_BREAK)) {
- cd1400_write_reg(cd, CD1400_TDR, 0);
- cd1400_write_reg(cd, CD1400_TDR, 0x81);
- /* should we delay too? */
- CLR(mtty->mp_flags, MTTYF_SET_BREAK);
- count += 2;
- }
-
- if (ISSET(mtty->mp_flags, MTTYF_CLR_BREAK)) {
- cd1400_write_reg(cd, CD1400_TDR, 0);
- cd1400_write_reg(cd, CD1400_TDR, 0x83);
- CLR(mtty->mp_flags, MTTYF_CLR_BREAK);
- count += 2;
- }
-
- /*
- * I don't quite fill the fifo in case the last
- * one is a NULL which I have to double up
- * because its the escape code for embedded
- * transmit characters.
- */
- while (mtty->mp_txc > 0 &&
- count < CD1400_TX_FIFO_SIZE - 1) {
- register u_char ch;
-
- ch = *mtty->mp_txp;
-
- mtty->mp_txc--;
- mtty->mp_txp++;
-
- if (ch == 0) {
- cd1400_write_reg(cd,
- CD1400_TDR, ch);
- count++;
- }
-
- cd1400_write_reg(cd, CD1400_TDR, ch);
- count++;
- }
- }
-
- /*
- * If we ran out of work or are requested to STOP then
- * shut off the txrdy interrupts and signal DONE to
- * flush out the chars we have sent.
- */
- if (mtty->mp_txc == 0 ||
- ISSET(mtty->mp_flags, MTTYF_STOP)) {
- register int srer;
-
- srer = cd1400_read_reg(cd, CD1400_SRER);
- CLR(srer, CD1400_SRER_TXRDY);
- cd1400_write_reg(cd, CD1400_SRER, srer);
- CLR(mtty->mp_flags, MTTYF_STOP);
-
- SET(mtty->mp_flags, MTTYF_DONE);
- needsoftint = 1;
- }
- }
-
- /* end service context */
- cd1400_write_reg(cd, CD1400_EOSRR, 0);
- serviced = 1;
- } /* if (tx_service...) */
-
- /* XXX service CD1190 interrupts too
- for (chip = 0 ; chip < sc->ms_ncd1190 ; chip++) {
- }
- */
-
- if (needsoftint) /* trigger the soft interrupt */
- softintr_schedule(sc->ms_softint);
-
- return (serviced);
-}
-
-/*
- * magma soft interrupt handler
- *
- * runs at spltty()
- */
-void
-magma_soft(arg)
- void *arg;
-{
- struct magma_softc *sc = arg;
- struct mtty_softc *mtty = sc->ms_mtty;
- struct mbpp_softc *mbpp = sc->ms_mbpp;
- int port;
- int s, flags;
-
- /*
- * check the tty ports (if any) to see what needs doing
- */
- if (mtty) {
- for (port = 0 ; port < mtty->ms_nports ; port++) {
- struct mtty_port *mp = &mtty->ms_port[port];
- struct tty *tp = mp->mp_tty;
-
- if (!ISSET(tp->t_state, TS_ISOPEN))
- continue;
-
- /*
- * handle any received data
- */
- while (mp->mp_rget != mp->mp_rput) {
- u_char stat;
- int data;
-
- stat = mp->mp_rget[0];
- data = mp->mp_rget[1];
- mp->mp_rget =
- ((mp->mp_rget + 2) == mp->mp_rend) ?
- mp->mp_rbuf : (mp->mp_rget + 2);
-
- if (stat & (CD1400_RDSR_BREAK | CD1400_RDSR_FE))
- data |= TTY_FE;
- if (stat & CD1400_RDSR_PE)
- data |= TTY_PE;
-
- if (stat & CD1400_RDSR_OE)
- log(LOG_WARNING,
- "%s%x: fifo overflow\n",
- mtty->ms_dev.dv_xname, port);
-
- (*linesw[tp->t_line].l_rint)(data, tp);
- }
-
- s = splhigh(); /* block out hard interrupt routine */
- flags = mp->mp_flags;
- CLR(mp->mp_flags, MTTYF_DONE | MTTYF_CARRIER_CHANGED |
- MTTYF_RING_OVERFLOW);
- splx(s); /* ok */
-
- if (ISSET(flags, MTTYF_CARRIER_CHANGED)) {
- dprintf(("%s%x: cd %s\n",
- mtty->ms_dev.dv_xname, port,
- mp->mp_carrier ? "on" : "off"));
- (*linesw[tp->t_line].l_modem)(tp,
- mp->mp_carrier);
- }
-
- if (ISSET(flags, MTTYF_RING_OVERFLOW)) {
- log(LOG_WARNING,
- "%s%x: ring buffer overflow\n",
- mtty->ms_dev.dv_xname, port);
- }
-
- if (ISSET(flags, MTTYF_DONE)) {
- ndflush(&tp->t_outq,
- mp->mp_txp - tp->t_outq.c_cf);
- CLR(tp->t_state, TS_BUSY);
- /* might be some more */
- (*linesw[tp->t_line].l_start)(tp);
- }
- } /* for (each mtty...) */
- }
-
- /*
- * check the bpp ports (if any) to see what needs doing
- */
- if (mbpp) {
- for (port = 0 ; port < mbpp->ms_nports ; port++) {
- struct mbpp_port *mp = &mbpp->ms_port[port];
-
- if (!ISSET(mp->mp_flags, MBPPF_OPEN))
- continue;
-
- s = splhigh(); /* block out hard intr routine */
- flags = mp->mp_flags;
- CLR(mp->mp_flags, MBPPF_WAKEUP);
- splx(s);
-
- if (ISSET(flags, MBPPF_WAKEUP)) {
- wakeup(mp);
- }
- } /* for (each mbpp...) */
- }
-}
-
-/************************************************************************
- *
- * MTTY Routines
- *
- * mtty_match match one mtty device
- * mtty_attach attach mtty devices
- * mttyopen open mtty device
- * mttyclose close mtty device
- * mttyread read from mtty
- * mttywrite write to mtty
- * mttyioctl do ioctl on mtty
- * mttytty return tty pointer for mtty
- * mttystop stop mtty device
- * mtty_start start mtty device
- * mtty_param set mtty parameters
- * mtty_modem_control set modem control lines
- */
-
-int
-mtty_match(parent, vcf, args)
- struct device *parent;
- void *vcf, *args;
-{
- struct magma_softc *sc = (struct magma_softc *)parent;
-
- return (args == mtty_match && sc->ms_board->mb_nser &&
- sc->ms_mtty == NULL);
-}
-
-void
-mtty_attach(parent, dev, args)
- struct device *parent;
- struct device *dev;
- void *args;
-{
- struct magma_softc *sc = (struct magma_softc *)parent;
- struct mtty_softc *ms = (struct mtty_softc *)dev;
- int port, chip, chan;
-
- sc->ms_mtty = ms;
- dprintf((" addr 0x%x", ms));
-
- for (port = chip = 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 = ttymalloc(0);
- 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");
-}
-
-/*
- * open routine. returns zero if successful, else error code
- */
-int
-mttyopen(dev, flags, mode, p)
- dev_t dev;
- int flags;
- int mode;
- struct proc *p;
-{
- int card = MAGMA_CARD(dev);
- int port = MAGMA_PORT(dev);
- struct mtty_softc *ms;
- struct mtty_port *mp;
- struct tty *tp;
- struct cd1400 *cd;
- int s;
-
- if (card >= mtty_cd.cd_ndevs || (ms = mtty_cd.cd_devs[card]) == NULL ||
- port >= ms->ms_nports)
- return (ENXIO); /* device not configured */
-
- mp = &ms->ms_port[port];
- tp = mp->mp_tty;
- tp->t_dev = dev;
-
- if (!ISSET(tp->t_state, TS_ISOPEN)) {
- SET(tp->t_state, TS_WOPEN);
-
- /* set defaults */
- ttychars(tp);
- tp->t_iflag = TTYDEF_IFLAG;
- tp->t_oflag = TTYDEF_OFLAG;
- tp->t_cflag = TTYDEF_CFLAG;
- if (ISSET(mp->mp_openflags, TIOCFLAG_CLOCAL))
- SET(tp->t_cflag, CLOCAL);
- if (ISSET(mp->mp_openflags, TIOCFLAG_CRTSCTS))
- SET(tp->t_cflag, CRTSCTS);
- if (ISSET(mp->mp_openflags, TIOCFLAG_MDMBUF))
- SET(tp->t_cflag, MDMBUF);
- tp->t_lflag = TTYDEF_LFLAG;
- tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
-
- /* init ring buffer */
- mp->mp_rput = mp->mp_rget = mp->mp_rbuf;
-
- s = spltty();
-
- /* reset CD1400 channel */
- cd = mp->mp_cd1400;
- cd1400_write_reg(cd, CD1400_CAR, mp->mp_channel);
- cd1400_write_ccr(cd, CD1400_CCR_CMDRESET);
-
- /* encode the port number in top half of LIVR */
- cd1400_write_reg(cd, CD1400_LIVR, port << 4);
-
- /* sets parameters and raises DTR */
- (void)mtty_param(tp, &tp->t_termios);
-
- /* set tty watermarks */
- ttsetwater(tp);
-
- /* enable service requests */
- cd1400_write_reg(cd, CD1400_SRER,
- CD1400_SRER_RXDATA | CD1400_SRER_MDMCH);
-
- /* tell the tty about the carrier status */
- if (ISSET(mp->mp_openflags, TIOCFLAG_SOFTCAR) || mp->mp_carrier)
- 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); /* superuser can break exclusive access */
- } else {
- s = spltty();
- }
-
- /* wait for carrier if necessary */
- if (!ISSET(flags, O_NONBLOCK)) {
- while (!ISSET(tp->t_cflag, CLOCAL) &&
- !ISSET(tp->t_state, TS_CARR_ON)) {
- int error;
-
- SET(tp->t_state, TS_WOPEN);
- error = ttysleep(tp, &tp->t_rawq, TTIPRI | PCATCH,
- "mttydcd", 0);
- if (error != 0) {
- splx(s);
- CLR(tp->t_state, TS_WOPEN);
- return (error);
- }
- }
- }
-
- splx(s);
-
- return ((*linesw[tp->t_line].l_open)(dev, tp, p));
-}
-
-/*
- * close routine. returns zero if successful, else error code
- */
-int
-mttyclose(dev, flag, mode, p)
- dev_t dev;
- int flag;
- int mode;
- struct proc *p;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
- struct tty *tp = mp->mp_tty;
- int s;
-
- (*linesw[tp->t_line].l_close)(tp, flag, p);
- s = spltty();
-
- /*
- * If HUPCL is set, and the tty is no longer open,
- * shut down the port.
- */
- if (ISSET(tp->t_cflag, HUPCL) || !ISSET(tp->t_state, TS_ISOPEN)) {
- /* XXX wait until FIFO is empty before turning off the channel
- struct cd1400 *cd = mp->mp_cd1400;
- */
-
- /* drop DTR and RTS */
- (void)mtty_modem_control(mp, 0, DMSET);
-
- /* turn off the channel
- cd1400_write_reg(cd, CD1400_CAR, mp->mp_channel);
- cd1400_write_ccr(cd, CD1400_CCR_CMDRESET);
- */
- }
-
- splx(s);
- ttyclose(tp);
-
- return (0);
-}
-
-/*
- * Read routine
- */
-int
-mttyread(dev, uio, flags)
- dev_t dev;
- struct uio *uio;
- int flags;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
- struct tty *tp = mp->mp_tty;
-
- return ((*linesw[tp->t_line].l_read)(tp, uio, flags));
-}
-
-/*
- * Write routine
- */
-int
-mttywrite(dev, uio, flags)
- dev_t dev;
- struct uio *uio;
- int flags;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
- struct tty *tp = mp->mp_tty;
-
- return ((*linesw[tp->t_line].l_write)(tp, uio, flags));
-}
-
-/*
- * return tty pointer
- */
-struct tty *
-mttytty(dev)
- dev_t dev;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
-
- return (mp->mp_tty);
-}
-
-/*
- * ioctl routine
- */
-int
-mttyioctl(dev, cmd, data, flags, p)
- dev_t dev;
- u_long cmd;
- caddr_t data;
- int flags;
- struct proc *p;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
- struct tty *tp = mp->mp_tty;
- int error;
-
- error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flags, p);
- if (error >= 0)
- return (error);
-
- error = ttioctl(tp, cmd, data, flags, p);
- if (error >= 0)
- return (error);
-
- error = 0;
-
- switch(cmd) {
- case TIOCSBRK: /* set break */
- SET(mp->mp_flags, MTTYF_SET_BREAK);
- cd1400_enable_transmitter(mp->mp_cd1400, mp->mp_channel);
- break;
-
- case TIOCCBRK: /* clear break */
- SET(mp->mp_flags, MTTYF_CLR_BREAK);
- cd1400_enable_transmitter(mp->mp_cd1400, mp->mp_channel);
- break;
-
- case TIOCSDTR: /* set DTR */
- mtty_modem_control(mp, TIOCM_DTR, DMBIS);
- break;
-
- case TIOCCDTR: /* clear DTR */
- mtty_modem_control(mp, TIOCM_DTR, DMBIC);
- break;
-
- case TIOCMSET: /* set modem lines */
- mtty_modem_control(mp, *((int *)data), DMSET);
- break;
-
- case TIOCMBIS: /* bit set modem lines */
- mtty_modem_control(mp, *((int *)data), DMBIS);
- break;
-
- case TIOCMBIC: /* bit clear modem lines */
- mtty_modem_control(mp, *((int *)data), DMBIC);
- break;
-
- case TIOCMGET: /* get modem lines */
- *((int *)data) = mtty_modem_control(mp, 0, DMGET);
- break;
-
- case TIOCGFLAGS:
- *((int *)data) = mp->mp_openflags;
- break;
-
- case TIOCSFLAGS:
- if (suser(p, 0))
- error = EPERM;
- else
- mp->mp_openflags = *((int *)data) &
- (TIOCFLAG_SOFTCAR | TIOCFLAG_CLOCAL |
- TIOCFLAG_CRTSCTS | TIOCFLAG_MDMBUF);
- break;
-
- default:
- error = ENOTTY;
- }
-
- return (error);
-}
-
-/*
- * Stop output, e.g., for ^S or output flush.
- */
-int
-mttystop(tp, flags)
- struct tty *tp;
- int flags;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(tp->t_dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(tp->t_dev)];
- int s;
-
- s = spltty();
-
- if (ISSET(tp->t_state, TS_BUSY)) {
- if (!ISSET(tp->t_state, TS_TTSTOP))
- SET(tp->t_state, TS_FLUSH);
-
- /*
- * the transmit interrupt routine will disable transmit when it
- * notices that MTTYF_STOP has been set.
- */
- SET(mp->mp_flags, MTTYF_STOP);
- }
-
- splx(s);
- return (0);
-}
-
-/*
- * Start output, after a stop.
- */
-void
-mtty_start(tp)
- struct tty *tp;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(tp->t_dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(tp->t_dev)];
- int s;
-
- s = spltty();
-
- /*
- * We only need to do something if we are not already busy
- * or delaying or stopped.
- */
- if (!ISSET(tp->t_state, TS_TTSTOP | TS_TIMEOUT | TS_BUSY)) {
-
- /*
- * If we are sleeping and output has drained below
- * low water mark, awaken.
- */
- ttwakeupwr(tp);
-
- /*
- * If there is something to send, start transmitting.
- */
- if (tp->t_outq.c_cc) {
- mp->mp_txc = ndqb(&tp->t_outq, 0);
- mp->mp_txp = tp->t_outq.c_cf;
- SET(tp->t_state, TS_BUSY);
- cd1400_enable_transmitter(mp->mp_cd1400,
- mp->mp_channel);
- }
- }
-
- splx(s);
-}
-
-/*
- * set/get modem line status
- *
- * bits can be: TIOCM_DTR, TIOCM_RTS, TIOCM_CTS, TIOCM_CD, TIOCM_RI, TIOCM_DSR
- *
- * note that DTR and RTS lines are exchanged, and that DSR is
- * not available on the LC2+1Sp card (used as CD)
- *
- * only let them fiddle with RTS if CRTSCTS is not enabled
- */
-int
-mtty_modem_control(mp, bits, howto)
- struct mtty_port *mp;
- int bits;
- int howto;
-{
- struct cd1400 *cd = mp->mp_cd1400;
- struct tty *tp = mp->mp_tty;
- int s, msvr;
-
- s = spltty();
-
- cd1400_write_reg(cd, CD1400_CAR, mp->mp_channel);
-
- switch(howto) {
- case DMGET: /* get bits */
- bits = 0;
-
- bits |= TIOCM_LE;
-
- msvr = cd1400_read_reg(cd, CD1400_MSVR1);
- if (msvr & CD1400_MSVR1_RTS)
- bits |= TIOCM_DTR;
-
- msvr = cd1400_read_reg(cd, CD1400_MSVR2);
- if (msvr & CD1400_MSVR2_DTR)
- bits |= TIOCM_RTS;
- if (msvr & CD1400_MSVR2_CTS)
- bits |= TIOCM_CTS;
- if (msvr & CD1400_MSVR2_RI)
- bits |= TIOCM_RI;
- if (msvr & CD1400_MSVR2_DSR)
- bits |= (cd->cd_parmode ? TIOCM_CD : TIOCM_DSR);
- if (msvr & CD1400_MSVR2_CD)
- bits |= (cd->cd_parmode ? 0 : TIOCM_CD);
-
- break;
-
- case DMSET: /* reset bits */
- if (!ISSET(tp->t_cflag, CRTSCTS))
- cd1400_write_reg(cd, CD1400_MSVR2,
- ((bits & TIOCM_RTS) ? CD1400_MSVR2_DTR : 0));
-
- cd1400_write_reg(cd, CD1400_MSVR1,
- ((bits & TIOCM_DTR) ? CD1400_MSVR1_RTS : 0));
-
- break;
-
- case DMBIS: /* set bits */
- if ((bits & TIOCM_RTS) && !ISSET(tp->t_cflag, CRTSCTS))
- cd1400_write_reg(cd, CD1400_MSVR2, CD1400_MSVR2_DTR);
-
- if (bits & TIOCM_DTR)
- cd1400_write_reg(cd, CD1400_MSVR1, CD1400_MSVR1_RTS);
-
- break;
-
- case DMBIC: /* clear bits */
- if ((bits & TIOCM_RTS) && !ISSET(tp->t_cflag, CRTSCTS))
- cd1400_write_reg(cd, CD1400_MSVR2, 0);
-
- if (bits & TIOCM_DTR)
- cd1400_write_reg(cd, CD1400_MSVR1, 0);
-
- break;
- }
-
- splx(s);
- return (bits);
-}
-
-/*
- * Set tty parameters, returns error or 0 on success
- */
-int
-mtty_param(tp, t)
- struct tty *tp;
- struct termios *t;
-{
- struct mtty_softc *ms = mtty_cd.cd_devs[MAGMA_CARD(tp->t_dev)];
- struct mtty_port *mp = &ms->ms_port[MAGMA_PORT(tp->t_dev)];
- struct cd1400 *cd = mp->mp_cd1400;
- int rbpr, tbpr, rcor, tcor;
- u_char mcor1 = 0, mcor2 = 0;
- int s, opt;
-
- if (t->c_ospeed &&
- cd1400_compute_baud(t->c_ospeed, cd->cd_clock, &tcor, &tbpr))
- return (EINVAL);
-
- if (t->c_ispeed &&
- cd1400_compute_baud(t->c_ispeed, cd->cd_clock, &rcor, &rbpr))
- return (EINVAL);
-
- s = spltty();
-
- /* hang up the line if ospeed is zero, else raise DTR */
- (void)mtty_modem_control(mp, TIOCM_DTR,
- (t->c_ospeed == 0 ? DMBIC : DMBIS));
-
- /* select channel, done in mtty_modem_control() */
- /* cd1400_write_reg(cd, CD1400_CAR, mp->mp_channel); */
-
- /* set transmit speed */
- if (t->c_ospeed) {
- cd1400_write_reg(cd, CD1400_TCOR, tcor);
- cd1400_write_reg(cd, CD1400_TBPR, tbpr);
- }
-
- /* set receive speed */
- if (t->c_ispeed) {
- cd1400_write_reg(cd, CD1400_RCOR, rcor);
- cd1400_write_reg(cd, CD1400_RBPR, rbpr);
- }
-
- /* enable transmitting and receiving on this channel */
- opt = CD1400_CCR_CMDCHANCTL | CD1400_CCR_XMTEN | CD1400_CCR_RCVEN;
- cd1400_write_ccr(cd, opt);
-
- /* set parity, data and stop bits */
- opt = 0;
- if (ISSET(t->c_cflag, PARENB))
- opt |= (ISSET(t->c_cflag, PARODD) ?
- CD1400_COR1_PARODD : CD1400_COR1_PARNORMAL);
-
- if (!ISSET(t->c_iflag, INPCK))
- opt |= CD1400_COR1_NOINPCK; /* no parity checking */
-
- if (ISSET(t->c_cflag, CSTOPB))
- opt |= CD1400_COR1_STOP2;
-
- switch (t->c_cflag & CSIZE) {
- case CS5:
- opt |= CD1400_COR1_CS5;
- break;
-
- case CS6:
- opt |= CD1400_COR1_CS6;
- break;
-
- case CS7:
- opt |= CD1400_COR1_CS7;
- break;
-
- default:
- opt |= CD1400_COR1_CS8;
- break;
- }
-
- cd1400_write_reg(cd, CD1400_COR1, opt);
-
- /*
- * enable Embedded Transmit Commands (for breaks)
- * use the CD1400 automatic CTS flow control if CRTSCTS is set
- */
- opt = CD1400_COR2_ETC;
- if (ISSET(t->c_cflag, CRTSCTS))
- opt |= CD1400_COR2_CCTS_OFLOW;
- cd1400_write_reg(cd, CD1400_COR2, opt);
-
- cd1400_write_reg(cd, CD1400_COR3, MTTY_RX_FIFO_THRESHOLD);
-
- cd1400_write_ccr(cd, CD1400_CCR_CMDCORCHG | CD1400_CCR_COR1 |
- CD1400_CCR_COR2 | CD1400_CCR_COR3);
-
- cd1400_write_reg(cd, CD1400_COR4, CD1400_COR4_PFO_EXCEPTION);
- cd1400_write_reg(cd, CD1400_COR5, 0);
-
- /*
- * if automatic RTS handshaking enabled, set DTR threshold
- * (RTS and DTR lines are switched, CD1400 thinks its DTR)
- */
- if (ISSET(t->c_cflag, CRTSCTS))
- mcor1 = MTTY_RX_DTR_THRESHOLD;
-
- /* set up `carrier detect' interrupts */
- if (cd->cd_parmode) {
- SET(mcor1, CD1400_MCOR1_DSRzd);
- SET(mcor2, CD1400_MCOR2_DSRod);
- } else {
- SET(mcor1, CD1400_MCOR1_CDzd);
- SET(mcor2, CD1400_MCOR2_CDod);
- }
-
- cd1400_write_reg(cd, CD1400_MCOR1, mcor1);
- cd1400_write_reg(cd, CD1400_MCOR2, mcor2);
-
- /* receive timeout 2ms */
- cd1400_write_reg(cd, CD1400_RTPR, 2);
-
- splx(s);
- return (0);
-}
-
-/************************************************************************
- *
- * MBPP Routines
- *
- * mbpp_match match one mbpp device
- * mbpp_attach attach mbpp devices
- * mbppopen open mbpp device
- * mbppclose close mbpp device
- * mbppread read from mbpp
- * mbppwrite write to mbpp
- * mbppioctl do ioctl on mbpp
- * mbpppoll do poll on mbpp
- * mbpp_rw general rw routine
- * mbpp_timeout rw timeout
- * mbpp_start rw start after delay
- * mbpp_send send data
- * mbpp_recv recv data
- */
-
-int
-mbpp_match(parent, vcf, args)
- struct device *parent;
- void *vcf, *args;
-{
- register struct magma_softc *sc = (struct magma_softc *)parent;
-
- return (args == mbpp_match && sc->ms_board->mb_npar &&
- sc->ms_mbpp == NULL);
-}
-
-void
-mbpp_attach(parent, dev, args)
- struct device *parent;
- struct device *dev;
- void *args;
-{
- struct magma_softc *sc = (struct magma_softc *)parent;
- struct mbpp_softc *ms = (struct mbpp_softc *)dev;
- struct mbpp_port *mp;
- int port;
-
- sc->ms_mbpp = ms;
- dprintf((" addr 0x%x", ms));
-
- for (port = 0 ; port < sc->ms_board->mb_npar ; port++) {
- mp = &ms->ms_port[port];
-
- if (sc->ms_ncd1190)
- mp->mp_cd1190 = &sc->ms_cd1190[port];
- else
- mp->mp_cd1400 = &sc->ms_cd1400[0];
-
- timeout_set(&mp->mp_timeout_tmo, mbpp_timeout, mp);
- timeout_set(&mp->mp_start_tmo, mbpp_start, mp);
- }
-
- ms->ms_nports = port;
- printf(": %d port%s\n", port, port == 1 ? "" : "s");
-}
-
-/*
- * open routine. returns zero if successful, else error code
- */
-int
-mbppopen(dev, flags, mode, p)
- dev_t dev;
- int flags;
- int mode;
- struct proc *p;
-{
- int card = MAGMA_CARD(dev);
- int port = MAGMA_PORT(dev);
- struct mbpp_softc *ms;
- struct mbpp_port *mp;
- int s;
-
- if (card >= mbpp_cd.cd_ndevs || (ms = mbpp_cd.cd_devs[card]) == NULL ||
- port >= ms->ms_nports)
- return (ENXIO);
-
- mp = &ms->ms_port[port];
-
- s = spltty();
- if (ISSET(mp->mp_flags, MBPPF_OPEN)) {
- splx(s);
- return (EBUSY);
- }
- SET(mp->mp_flags, MBPPF_OPEN);
- splx(s);
-
- /* set defaults */
- mp->mp_burst = BPP_BURST;
- mp->mp_timeout = mbpp_mstohz(BPP_TIMEOUT);
- mp->mp_delay = mbpp_mstohz(BPP_DELAY);
-
- /* init chips */
- if (mp->mp_cd1400) { /* CD1400 */
- struct cd1400 *cd = mp->mp_cd1400;
-
- /* set up CD1400 channel */
- s = spltty();
- cd1400_write_reg(cd, CD1400_CAR, 0);
- cd1400_write_ccr(cd, CD1400_CCR_CMDRESET);
- cd1400_write_reg(cd, CD1400_LIVR, (1 << 3));
- splx(s);
- } else { /* CD1190 */
- mp->mp_flags = 0;
- return (ENXIO);
- }
-
- return (0);
-}
-
-/*
- * close routine. returns zero if successful, else error code
- */
-int
-mbppclose(dev, flag, mode, p)
- dev_t dev;
- int flag;
- int mode;
- struct proc *p;
-{
- struct mbpp_softc *ms = mbpp_cd.cd_devs[MAGMA_CARD(dev)];
- struct mbpp_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
-
- mp->mp_flags = 0;
- return (0);
-}
-
-/*
- * Read routine
- */
-int
-mbppread(dev, uio, flags)
- dev_t dev;
- struct uio *uio;
- int flags;
-{
- return (mbpp_rw(dev, uio));
-}
-
-/*
- * Write routine
- */
-int
-mbppwrite(dev, uio, flags)
- dev_t dev;
- struct uio *uio;
- int flags;
-{
- return (mbpp_rw(dev, uio));
-}
-
-/*
- * ioctl routine
- */
-int
-mbppioctl(dev, cmd, data, flags, p)
- dev_t dev;
- u_long cmd;
- caddr_t data;
- int flags;
- struct proc *p;
-{
- struct mbpp_softc *ms = mbpp_cd.cd_devs[MAGMA_CARD(dev)];
- register struct mbpp_port *mp = &ms->ms_port[MAGMA_PORT(dev)];
- struct bpp_param *bp;
- int error = 0;
- int s;
-
- switch(cmd) {
- case BPPIOCSPARAM:
- bp = (struct bpp_param *)data;
- if (bp->bp_burst < BPP_BURST_MIN ||
- bp->bp_burst > BPP_BURST_MAX ||
- bp->bp_delay < BPP_DELAY_MIN ||
- bp->bp_delay > BPP_DELAY_MIN) {
- error = EINVAL;
- } else {
- mp->mp_burst = bp->bp_burst;
- mp->mp_timeout = mbpp_mstohz(bp->bp_timeout);
- mp->mp_delay = mbpp_mstohz(bp->bp_delay);
- }
- break;
- case BPPIOCGPARAM:
- bp = (struct bpp_param *)data;
- bp->bp_burst = mp->mp_burst;
- bp->bp_timeout = mbpp_hztoms(mp->mp_timeout);
- bp->bp_delay = mbpp_hztoms(mp->mp_delay);
- break;
- case BPPIOCGSTAT:
- /* XXX make this more generic */
- s = spltty();
- cd1400_write_reg(mp->mp_cd1400, CD1400_CAR, 0);
- *(int *)data = cd1400_read_reg(mp->mp_cd1400, CD1400_PSVR);
- splx(s);
- break;
- default:
- error = ENOTTY;
- }
-
- return (error);
-}
-
-/*
- * poll routine
- */
-int
-mbpppoll(dev, events, p)
- dev_t dev;
- int events;
- struct proc *p;
-{
- return (seltrue(dev, events, p));
-}
-
-int
-mbpp_rw(dev, uio)
- dev_t dev;
- struct uio *uio;
-{
- int card = MAGMA_CARD(dev);
- int port = MAGMA_PORT(dev);
- struct mbpp_softc *ms = mbpp_cd.cd_devs[card];
- register struct mbpp_port *mp = &ms->ms_port[port];
- caddr_t buffer, ptr;
- size_t buflen, cnt, len;
- int s, error = 0;
- int gotdata = 0;
-
- if (uio->uio_resid == 0)
- return (0);
-
- buflen = ulmin(uio->uio_resid, mp->mp_burst);
- buffer = malloc(buflen, M_DEVBUF, M_WAITOK);
-
- SET(mp->mp_flags, MBPPF_UIO);
-
- /*
- * start timeout, if needed
- */
- if (mp->mp_timeout > 0) {
- SET(mp->mp_flags, MBPPF_TIMEOUT);
- timeout_add(&mp->mp_timeout_tmo, mp->mp_timeout);
- }
-
- len = cnt = 0;
- while (uio->uio_resid > 0) {
- len = ulmin(buflen, uio->uio_resid);
- ptr = buffer;
-
- if (uio->uio_rw == UIO_WRITE) {
- error = uiomove(ptr, len, uio);
- if (error)
- break;
- }
-again: /* goto bad */
- /* timed out? */
- if (!ISSET(mp->mp_flags, MBPPF_UIO))
- break;
-
- /*
- * perform the operation
- */
- if (uio->uio_rw == UIO_WRITE) {
- cnt = mbpp_send(mp, ptr, len);
- } else {
- cnt = mbpp_recv(mp, ptr, len);
- }
-
- if (uio->uio_rw == UIO_READ) {
- if (cnt) {
- error = uiomove(ptr, cnt, uio);
- if (error)
- break;
- gotdata++;
- }
- else if (gotdata) /* consider us done */
- break;
- }
-
- /* timed out? */
- if (!ISSET(mp->mp_flags, MBPPF_UIO))
- break;
-
- /*
- * poll delay?
- */
- if (mp->mp_delay > 0) {
- s = spltty(); /* XXX */
- SET(mp->mp_flags, MBPPF_DELAY);
- timeout_add(&mp->mp_start_tmo, mp->mp_delay);
- error = tsleep(mp, PCATCH | PZERO, "mbppdelay", 0);
- splx(s);
- if (error)
- break;
- }
-
- /*
- * Don't call uiomove again until we used all the data we
- * grabbed.
- */
- if (uio->uio_rw == UIO_WRITE && cnt != len) {
- ptr += cnt;
- len -= cnt;
- cnt = 0;
- goto again;
- }
- }
-
- /*
- * clear timeouts
- */
- s = spltty(); /* XXX */
- if (ISSET(mp->mp_flags, MBPPF_TIMEOUT)) {
- timeout_del(&mp->mp_timeout_tmo);
- CLR(mp->mp_flags, MBPPF_TIMEOUT);
- }
- if (ISSET(mp->mp_flags, MBPPF_DELAY)) {
- timeout_del(&mp->mp_start_tmo);
- CLR(mp->mp_flags, MBPPF_DELAY);
- }
- splx(s);
-
- /*
- * Adjust for those chars that we uiomoved but never actually wrote.
- */
- if (uio->uio_rw == UIO_WRITE && cnt != len) {
- uio->uio_resid += (len - cnt);
- }
-
- free(buffer, M_DEVBUF, 0);
- return (error);
-}
-
-void
-mbpp_timeout(arg)
- void *arg;
-{
- struct mbpp_port *mp = arg;
-
- CLR(mp->mp_flags, MBPPF_UIO | MBPPF_TIMEOUT);
- wakeup(mp);
-}
-
-void
-mbpp_start(arg)
- void *arg;
-{
- struct mbpp_port *mp = arg;
-
- CLR(mp->mp_flags, MBPPF_DELAY);
- wakeup(mp);
-}
-
-int
-mbpp_send(mp, ptr, len)
- struct mbpp_port *mp;
- caddr_t ptr;
- int len;
-{
- int s;
- struct cd1400 *cd = mp->mp_cd1400;
-
- /* set up io information */
- mp->mp_ptr = ptr;
- mp->mp_cnt = len;
-
- /* start transmitting */
- s = spltty();
- if (cd) {
- cd1400_write_reg(cd, CD1400_CAR, 0);
-
- /* output strobe width ~1microsecond */
- cd1400_write_reg(cd, CD1400_TBPR, 10);
-
- /* enable channel */
- cd1400_write_ccr(cd, CD1400_CCR_CMDCHANCTL | CD1400_CCR_XMTEN);
- cd1400_write_reg(cd, CD1400_SRER, CD1400_SRER_TXRDY);
- }
-
- /* zzz... */
- tsleep(mp, PCATCH | PZERO, "mbpp_send", 0);
-
- /* stop transmitting */
- if (cd) {
- cd1400_write_reg(cd, CD1400_CAR, 0);
-
- /* disable transmitter */
- cd1400_write_reg(cd, CD1400_SRER, 0);
- cd1400_write_ccr(cd, CD1400_CCR_CMDCHANCTL | CD1400_CCR_XMTDIS);
-
- /* flush fifo */
- cd1400_write_ccr(cd, CD1400_CCR_CMDRESET | CD1400_CCR_FTF);
- }
- splx(s);
-
- /* return number of chars sent */
- return (len - mp->mp_cnt);
-}
-
-int
-mbpp_recv(mp, ptr, len)
- struct mbpp_port *mp;
- caddr_t ptr;
- int len;
-{
- int s;
- struct cd1400 *cd = mp->mp_cd1400;
-
- /* set up io information */
- mp->mp_ptr = ptr;
- mp->mp_cnt = len;
-
- /* start receiving */
- s = spltty();
- if (cd) {
- int rcor, rbpr;
-
- cd1400_write_reg(cd, CD1400_CAR, 0);
-
- /* input strobe at 100kbaud (10microseconds) */
- cd1400_compute_baud(100000, cd->cd_clock, &rcor, &rbpr);
- cd1400_write_reg(cd, CD1400_RCOR, rcor);
- cd1400_write_reg(cd, CD1400_RBPR, rbpr);
-
- /* rx threshold */
- cd1400_write_reg(cd, CD1400_COR3, MBPP_RX_FIFO_THRESHOLD);
- cd1400_write_ccr(cd, CD1400_CCR_CMDCORCHG | CD1400_CCR_COR3);
-
- /* enable channel */
- cd1400_write_ccr(cd, CD1400_CCR_CMDCHANCTL | CD1400_CCR_RCVEN);
- cd1400_write_reg(cd, CD1400_SRER, CD1400_SRER_RXDATA);
- }
-
- /* zzz... */
- tsleep(mp, PCATCH | PZERO, "mbpp_recv", 0);
-
- /* stop receiving */
- if (cd) {
- cd1400_write_reg(cd, CD1400_CAR, 0);
-
- /* disable receiving */
- cd1400_write_reg(cd, CD1400_SRER, 0);
- cd1400_write_ccr(cd, CD1400_CCR_CMDCHANCTL | CD1400_CCR_RCVDIS);
- }
- splx(s);
-
- /* return number of chars received */
- return (len - mp->mp_cnt);
-}
-
-int
-mbpp_hztoms(h)
- int h;
-{
- int m = h;
-
- if (m > 0)
- m = m * 1000 / hz;
- return (m);
-}
-
-int
-mbpp_mstohz(m)
- int m;
-{
- int h = m;
-
- if (h > 0) {
- h = h * hz / 1000;
- if (h == 0)
- h = 1000 / hz;
- }
- return (h);
-}