diff options
Diffstat (limited to 'sys/dev/lmc/if_lmc_media.c')
| -rw-r--r-- | sys/dev/lmc/if_lmc_media.c | 939 |
1 files changed, 0 insertions, 939 deletions
diff --git a/sys/dev/lmc/if_lmc_media.c b/sys/dev/lmc/if_lmc_media.c deleted file mode 100644 index 633e401..0000000 --- a/sys/dev/lmc/if_lmc_media.c +++ /dev/null @@ -1,939 +0,0 @@ -/* - * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) - * Copyright (c) LAN Media Corporation 1998, 1999. - * Copyright (c) 2000 Stephen Kiernan (sk-ports@vegamuse.org) - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * 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. - * - * $Id: if_lmc_media.c,v 1.23 1999/03/01 15:12:24 explorer Exp $ - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * For lack of a better place, put the SSI cable stuff here. - */ -char *lmc_ssi_cables[] = { - "V.10/RS423", "EIA530A", "reserved", "X.21", "V.35", - "EIA449/EIA530/V.36", "V.28/EIA232", "none", NULL -}; - -/* - * protocol independent method. - */ -static void lmc_set_protocol(lmc_softc_t * const, lmc_ctl_t *); - -/* - * media independent methods to check on media status, link, light LEDs, - * etc. - */ -static void lmc_ds3_init(lmc_softc_t * const); -static void lmc_ds3_default(lmc_softc_t * const); -static void lmc_ds3_set_status(lmc_softc_t * const, lmc_ctl_t *); -static void lmc_ds3_set_100ft(lmc_softc_t * const, int); -static int lmc_ds3_get_link_status(lmc_softc_t * const); -static void lmc_ds3_set_crc_length(lmc_softc_t * const, int); -static void lmc_ds3_set_scram(lmc_softc_t * const, int); - -static void lmc_hssi_init(lmc_softc_t * const); -static void lmc_hssi_default(lmc_softc_t * const); -static void lmc_hssi_set_status(lmc_softc_t * const, lmc_ctl_t *); -static void lmc_hssi_set_clock(lmc_softc_t * const, int); -static int lmc_hssi_get_link_status(lmc_softc_t * const); -static void lmc_hssi_set_link_status(lmc_softc_t * const, int); -static void lmc_hssi_set_crc_length(lmc_softc_t * const, int); - -static void lmc_ssi_init(lmc_softc_t * const); -static void lmc_ssi_default(lmc_softc_t * const); -static void lmc_ssi_set_status(lmc_softc_t * const, lmc_ctl_t *); -static void lmc_ssi_set_clock(lmc_softc_t * const, int); -static void lmc_ssi_set_speed(lmc_softc_t * const, lmc_ctl_t *); -static int lmc_ssi_get_link_status(lmc_softc_t * const); -static void lmc_ssi_set_link_status(lmc_softc_t * const, int); -static void lmc_ssi_set_crc_length(lmc_softc_t * const, int); - -static void lmc_t1_init(lmc_softc_t * const); -static void lmc_t1_default(lmc_softc_t * const); -static void lmc_t1_set_status(lmc_softc_t * const, lmc_ctl_t *); -static int lmc_t1_get_link_status(lmc_softc_t * const); -static void lmc_t1_set_circuit_type(lmc_softc_t * const, int); -static void lmc_t1_set_crc_length(lmc_softc_t * const, int); - -static void lmc_dummy_set_1(lmc_softc_t * const, int); -static void lmc_dummy_set2_1(lmc_softc_t * const, lmc_ctl_t *); - -static void write_av9110_bit(lmc_softc_t *, int); -static void write_av9110(lmc_softc_t *, u_int32_t, u_int32_t, u_int32_t, - u_int32_t, u_int32_t); - -lmc_media_t lmc_ds3_media = { - lmc_ds3_init, /* special media init stuff */ - lmc_ds3_default, /* reset to default state */ - lmc_ds3_set_status, /* reset status to state provided */ - lmc_dummy_set_1, /* set clock source */ - lmc_dummy_set2_1, /* set line speed */ - lmc_ds3_set_100ft, /* set cable length */ - lmc_ds3_set_scram, /* set scrambler */ - lmc_ds3_get_link_status, /* get link status */ - lmc_dummy_set_1, /* set link status */ - lmc_ds3_set_crc_length, /* set CRC length */ - lmc_dummy_set_1 -}; - -lmc_media_t lmc_hssi_media = { - lmc_hssi_init, /* special media init stuff */ - lmc_hssi_default, /* reset to default state */ - lmc_hssi_set_status, /* reset status to state provided */ - lmc_hssi_set_clock, /* set clock source */ - lmc_dummy_set2_1, /* set line speed */ - lmc_dummy_set_1, /* set cable length */ - lmc_dummy_set_1, /* set scrambler */ - lmc_hssi_get_link_status, /* get link status */ - lmc_hssi_set_link_status, /* set link status */ - lmc_hssi_set_crc_length, /* set CRC length */ - lmc_dummy_set_1 -}; - -lmc_media_t lmc_ssi_media = { - lmc_ssi_init, /* special media init stuff */ - lmc_ssi_default, /* reset to default state */ - lmc_ssi_set_status, /* reset status to state provided */ - lmc_ssi_set_clock, /* set clock source */ - lmc_ssi_set_speed, /* set line speed */ - lmc_dummy_set_1, /* set cable length */ - lmc_dummy_set_1, /* set scrambler */ - lmc_ssi_get_link_status, /* get link status */ - lmc_ssi_set_link_status, /* set link status */ - lmc_ssi_set_crc_length, /* set CRC length */ - lmc_dummy_set_1 -}; - -lmc_media_t lmc_t1_media = { - lmc_t1_init, /* special media init stuff */ - lmc_t1_default, /* reset to default state */ - lmc_t1_set_status, /* reset status to state provided */ - lmc_dummy_set_1, /* set clock source */ - lmc_dummy_set2_1, /* set line speed */ - lmc_dummy_set_1, /* set cable length */ - lmc_dummy_set_1, /* set scrambler */ - lmc_t1_get_link_status, /* get link status */ - lmc_dummy_set_1, /* set link status */ - lmc_t1_set_crc_length, /* set CRC length */ - lmc_t1_set_circuit_type /* set T1 or E1 circuit type */ -}; - - -static void -lmc_dummy_set_1(lmc_softc_t * const sc, int a) -{ -} - -static void -lmc_dummy_set2_1(lmc_softc_t * const sc, lmc_ctl_t *a) -{ -} - -/* - * HSSI methods - */ - -static void -lmc_hssi_init(lmc_softc_t * const sc) -{ - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC5200; - - lmc_gpio_mkoutput(sc, LMC_GEP_HSSI_CLOCK); -} - -static void -lmc_hssi_default(lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - - sc->lmc_media->set_link_status(sc, 0); - sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT); - sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16); -} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ -static void -lmc_hssi_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl) -{ - if (ctl == NULL) { - sc->lmc_media->set_clock_source(sc, sc->ictl.clock_source); - lmc_set_protocol(sc, NULL); - - return; - } - - /* - * check for change in clock source - */ - if (ctl->clock_source && !sc->ictl.clock_source) - sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_INT); - else if (!ctl->clock_source && sc->ictl.clock_source) - sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT); - - lmc_set_protocol(sc, ctl); -} - -/* - * 1 == internal, 0 == external - */ -static void -lmc_hssi_set_clock(lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_CLOCK_SOURCE_EXT) { - sc->lmc_gpio |= LMC_GEP_HSSI_CLOCK; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT; - printf(LMC_PRINTF_FMT ": clock external\n", - LMC_PRINTF_ARGS); - } else { - sc->lmc_gpio &= ~(LMC_GEP_HSSI_CLOCK); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT; - printf(LMC_PRINTF_FMT ": clock internal\n", - LMC_PRINTF_ARGS); - } -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ -static int -lmc_hssi_get_link_status(lmc_softc_t * const sc) -{ - u_int16_t link_status; - - link_status = lmc_mii_readreg(sc, 0, 16); - - if ((link_status & LMC_MII16_HSSI_CA) == LMC_MII16_HSSI_CA) - return 1; - else - return 0; -} - -static void -lmc_hssi_set_link_status(lmc_softc_t * const sc, int state) -{ - if (state) - sc->lmc_miireg16 |= LMC_MII16_HSSI_TA; - else - sc->lmc_miireg16 &= ~LMC_MII16_HSSI_TA; - - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -/* - * 0 == 16bit, 1 == 32bit - */ -static void -lmc_hssi_set_crc_length(lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_HSSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - } else { - /* 16 bit */ - sc->lmc_miireg16 &= ~LMC_MII16_HSSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - } - - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - - -/* - * DS3 methods - */ - -/* - * Set cable length - */ -static void -lmc_ds3_set_100ft(lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_CABLE_LENGTH_GT_100FT) { - sc->lmc_miireg16 &= ~LMC_MII16_DS3_ZERO; - sc->ictl.cable_length = LMC_CTL_CABLE_LENGTH_GT_100FT; - } else if (ie == LMC_CTL_CABLE_LENGTH_LT_100FT) { - sc->lmc_miireg16 |= LMC_MII16_DS3_ZERO; - sc->ictl.cable_length = LMC_CTL_CABLE_LENGTH_LT_100FT; - } - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -static void -lmc_ds3_default(lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - - sc->lmc_media->set_link_status(sc, 0); - sc->lmc_media->set_cable_length(sc, LMC_CTL_CABLE_LENGTH_LT_100FT); - sc->lmc_media->set_scrambler(sc, LMC_CTL_OFF); - sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16); -} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ -static void -lmc_ds3_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl) -{ - if (ctl == NULL) { - sc->lmc_media->set_cable_length(sc, sc->ictl.cable_length); - sc->lmc_media->set_scrambler(sc, sc->ictl.scrambler_onoff); - lmc_set_protocol(sc, NULL); - - return; - } - - /* - * check for change in cable length setting - */ - if (ctl->cable_length && !sc->ictl.cable_length) - lmc_ds3_set_100ft(sc, LMC_CTL_CABLE_LENGTH_GT_100FT); - else if (!ctl->cable_length && sc->ictl.cable_length) - lmc_ds3_set_100ft(sc, LMC_CTL_CABLE_LENGTH_LT_100FT); - - /* - * Check for change in scrambler setting (requires reset) - */ - if (ctl->scrambler_onoff && !sc->ictl.scrambler_onoff) - lmc_ds3_set_scram(sc, LMC_CTL_ON); - else if (!ctl->scrambler_onoff && sc->ictl.scrambler_onoff) - lmc_ds3_set_scram(sc, LMC_CTL_OFF); - - lmc_set_protocol(sc, ctl); -} - -static void -lmc_ds3_init(lmc_softc_t * const sc) -{ - int i; - - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC5245; - - /* writes zeros everywhere */ - for (i = 0 ; i < 21 ; i++) { - lmc_mii_writereg(sc, 0, 17, i); - lmc_mii_writereg(sc, 0, 18, 0); - } - - /* set some essential bits */ - lmc_mii_writereg(sc, 0, 17, 1); - lmc_mii_writereg(sc, 0, 18, 0x05); /* ser, xtx */ - - lmc_mii_writereg(sc, 0, 17, 5); - lmc_mii_writereg(sc, 0, 18, 0x80); /* emode */ - - lmc_mii_writereg(sc, 0, 17, 14); - lmc_mii_writereg(sc, 0, 18, 0x30); /* rcgen, tcgen */ - - /* clear counters and latched bits */ - for (i = 0 ; i < 21 ; i++) { - lmc_mii_writereg(sc, 0, 17, i); - lmc_mii_readreg(sc, 0, 18); - } -} - -/* - * 1 == DS3 payload scrambled, 0 == not scrambled - */ -static void -lmc_ds3_set_scram(lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_ON) { - sc->lmc_miireg16 |= LMC_MII16_DS3_SCRAM; - sc->ictl.scrambler_onoff = LMC_CTL_ON; - } else { - sc->lmc_miireg16 &= ~LMC_MII16_DS3_SCRAM; - sc->ictl.scrambler_onoff = LMC_CTL_OFF; - } - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ -static int -lmc_ds3_get_link_status(lmc_softc_t * const sc) -{ - u_int16_t link_status; - - lmc_mii_writereg(sc, 0, 17, 7); - link_status = lmc_mii_readreg(sc, 0, 18); - - if ((link_status & LMC_FRAMER_REG0_DLOS) == 0) - return 1; - else - return 0; -} - -/* - * 0 == 16bit, 1 == 32bit - */ -static void -lmc_ds3_set_crc_length(lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_DS3_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - } else { - /* 16 bit */ - sc->lmc_miireg16 &= ~LMC_MII16_DS3_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - } - - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - - -/* - * SSI methods - */ - -static void -lmc_ssi_init(lmc_softc_t * const sc) -{ - u_int16_t mii17; - int cable; - - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1000; - - mii17 = lmc_mii_readreg(sc, 0, 17); - - cable = (mii17 & LMC_MII17_SSI_CABLE_MASK) >> LMC_MII17_SSI_CABLE_SHIFT; - sc->ictl.cable_type = cable; - - lmc_gpio_mkoutput(sc, LMC_GEP_SSI_TXCLOCK); -} - -static void -lmc_ssi_default(lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - - /* - * make TXCLOCK always be an output - */ - lmc_gpio_mkoutput(sc, LMC_GEP_SSI_TXCLOCK); - - sc->lmc_media->set_link_status(sc, 0); - sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT); - sc->lmc_media->set_speed(sc, NULL); - sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16); -} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ -static void -lmc_ssi_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl) -{ - if (ctl == NULL) { - sc->lmc_media->set_clock_source(sc, sc->ictl.clock_source); - sc->lmc_media->set_speed(sc, &sc->ictl); - lmc_set_protocol(sc, NULL); - - return; - } - - /* - * check for change in clock source - */ - if (ctl->clock_source == LMC_CTL_CLOCK_SOURCE_INT - && sc->ictl.clock_source == LMC_CTL_CLOCK_SOURCE_EXT) - sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_INT); - else if (ctl->clock_source == LMC_CTL_CLOCK_SOURCE_EXT - && sc->ictl.clock_source == LMC_CTL_CLOCK_SOURCE_INT) - sc->lmc_media->set_clock_source(sc, LMC_CTL_CLOCK_SOURCE_EXT); - - if (ctl->clock_rate != sc->ictl.clock_rate) - sc->lmc_media->set_speed(sc, ctl); - - lmc_set_protocol(sc, ctl); -} - -/* - * 1 == internal, 0 == external - */ -static void -lmc_ssi_set_clock(lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_CLOCK_SOURCE_EXT) { - sc->lmc_gpio &= ~(LMC_GEP_SSI_TXCLOCK); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_EXT; - printf(LMC_PRINTF_FMT ": clock external\n", - LMC_PRINTF_ARGS); - } else { - sc->lmc_gpio |= LMC_GEP_SSI_TXCLOCK; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - sc->ictl.clock_source = LMC_CTL_CLOCK_SOURCE_INT; - printf(LMC_PRINTF_FMT ": clock internal\n", - LMC_PRINTF_ARGS); - } -} - -static void -lmc_ssi_set_speed(lmc_softc_t * const sc, lmc_ctl_t *ctl) -{ - lmc_ctl_t *ictl = &sc->ictl; - lmc_av9110_t *av; - - if (ctl == NULL) { - av = &ictl->cardspec.ssi; - ictl->clock_rate = 100000; - av->f = ictl->clock_rate; - av->n = 8; - av->m = 25; - av->v = 0; - av->x = 0; - av->r = 2; - - write_av9110(sc, av->n, av->m, av->v, av->x, av->r); - return; - } - - av = &ctl->cardspec.ssi; - - if (av->f == 0) - return; - - ictl->clock_rate = av->f; /* really, this is the rate we are */ - ictl->cardspec.ssi = *av; - - write_av9110(sc, av->n, av->m, av->v, av->x, av->r); -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ -static int -lmc_ssi_get_link_status(lmc_softc_t * const sc) -{ - u_int16_t link_status; - - /* - * missing CTS? Hmm. If we require CTS on, we may never get the - * link to come up, so omit it in this test. - * - * Also, it seems that with a loopback cable, DCD isn't asserted, - * so just check for things like this: - * DSR _must_ be asserted. - * One of DCD or CTS must be asserted. - */ - link_status = lmc_mii_readreg(sc, 0, 16); - - if ((link_status & LMC_MII16_SSI_DSR) == 0) - return (0); - - if ((link_status & (LMC_MII16_SSI_CTS | LMC_MII16_SSI_DCD)) == 0) - return (0); - - return (1); -} - -static void -lmc_ssi_set_link_status(lmc_softc_t * const sc, int state) -{ - if (state) { - sc->lmc_miireg16 |= (LMC_MII16_SSI_DTR | LMC_MII16_SSI_RTS); - printf(LMC_PRINTF_FMT ": asserting DTR and RTS\n", - LMC_PRINTF_ARGS); - } else { - sc->lmc_miireg16 &= ~(LMC_MII16_SSI_DTR | LMC_MII16_SSI_RTS); - printf(LMC_PRINTF_FMT ": deasserting DTR and RTS\n", - LMC_PRINTF_ARGS); - } - - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -/* - * 0 == 16bit, 1 == 32bit - */ -static void -lmc_ssi_set_crc_length(lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_SSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - } else { - /* 16 bit */ - sc->lmc_miireg16 &= ~LMC_MII16_SSI_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - } - - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -/* - * These are bits to program the SSI frequency generator - */ -static void -write_av9110_bit(lmc_softc_t *sc, int c) -{ - /* - * set the data bit as we need it. - */ - sc->lmc_gpio &= ~(LMC_GEP_SERIALCLK); - if (c & 0x01) - sc->lmc_gpio |= LMC_GEP_SERIAL; - else - sc->lmc_gpio &= ~(LMC_GEP_SERIAL); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * set the clock to high - */ - sc->lmc_gpio |= LMC_GEP_SERIALCLK; - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * set the clock to low again. - */ - sc->lmc_gpio &= ~(LMC_GEP_SERIALCLK); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); -} - -static void -write_av9110(lmc_softc_t *sc, u_int32_t n, u_int32_t m, u_int32_t v, - u_int32_t x, u_int32_t r) -{ - int i; - -#if 0 - printf(LMC_PRINTF_FMT ": speed %u, %d %d %d %d %d\n", - LMC_PRINTF_ARGS, sc->ictl.clock_rate, - n, m, v, x, r); -#endif - - sc->lmc_gpio |= LMC_GEP_SSI_GENERATOR; - sc->lmc_gpio &= ~(LMC_GEP_SERIAL | LMC_GEP_SERIALCLK); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * Set the TXCLOCK, GENERATOR, SERIAL, and SERIALCLK - * as outputs. - */ - lmc_gpio_mkoutput(sc, (LMC_GEP_SERIAL | LMC_GEP_SERIALCLK - | LMC_GEP_SSI_GENERATOR)); - - sc->lmc_gpio &= ~(LMC_GEP_SSI_GENERATOR); - LMC_CSR_WRITE(sc, csr_gp, sc->lmc_gpio); - - /* - * a shifting we will go... - */ - for (i = 0 ; i < 7 ; i++) - write_av9110_bit(sc, n >> i); - for (i = 0 ; i < 7 ; i++) - write_av9110_bit(sc, m >> i); - for (i = 0 ; i < 1 ; i++) - write_av9110_bit(sc, v >> i); - for (i = 0 ; i < 2 ; i++) - write_av9110_bit(sc, x >> i); - for (i = 0 ; i < 2 ; i++) - write_av9110_bit(sc, r >> i); - for (i = 0 ; i < 5 ; i++) - write_av9110_bit(sc, 0x17 >> i); - - /* - * stop driving serial-related signals - */ - lmc_gpio_mkinput(sc, - (LMC_GEP_SERIAL | LMC_GEP_SERIALCLK - | LMC_GEP_SSI_GENERATOR)); -} - -static void -lmc_set_protocol(lmc_softc_t * const sc, lmc_ctl_t *ctl) -{ - if (ctl == 0) { - sc->ictl.keepalive_onoff = LMC_CTL_ON; - - return; - } -} - -/* - * T1 methods - */ - -/* - * The framer regs are multiplexed through MII regs 17 & 18 - * write the register address to MII reg 17 and the * data to MII reg 18. */ - -static void lmc_t1_write(lmc_softc_t * const sc, int a, int d) -{ - lmc_mii_writereg(sc, 0, 17, a); - lmc_mii_writereg(sc, 0, 18, d); -} - -#if 0 -/* XXX future to be integtrated with if_lmc.c for alarms */ - -static int lmc_t1_read(lmc_softc_t * const sc, int a) -{ - lmc_mii_writereg(sc, 0, 17, a); - return lmc_mii_readreg(sc, 0, 18); -} -#endif - -static void - lmc_t1_init(lmc_softc_t * const sc) -{ - u_int16_t mii16; - int i; - - sc->ictl.cardtype = LMC_CTL_CARDTYPE_LMC1200; - mii16 = lmc_mii_readreg(sc, 0, 16); - - /* reset 8370 */ - mii16 &= ~LMC_MII16_T1_RST; - lmc_mii_writereg(sc, 0, 16, mii16 | LMC_MII16_T1_RST); - lmc_mii_writereg(sc, 0, 16, mii16); - - /* set T1 or E1 line impedance */ - /* mii16 &= ~LMC_MII16_T1_Z; */ - mii16 |= LMC_MII16_T1_Z; - lmc_mii_writereg(sc, 0, 16, mii16); - - lmc_t1_write(sc, 0x01, 0x1B); /* CR0 - primary control */ - lmc_t1_write(sc, 0x02, 0x42); /* JAT_CR - jitter atten config */ - lmc_t1_write(sc, 0x14, 0x00); /* LOOP - loopback config */ - lmc_t1_write(sc, 0x15, 0x00); /* DL3_TS - xtrnl datalink timeslot */ - lmc_t1_write(sc, 0x18, 0xFF); /* PIO - programmable I/O */ - lmc_t1_write(sc, 0x19, 0x30); /* POE - programmable OE */ - lmc_t1_write(sc, 0x1A, 0x0F); /* CMUX - clock input mux */ - lmc_t1_write(sc, 0x20, 0x41); /* LIU_CR - RX LIU config */ - lmc_t1_write(sc, 0x22, 0x76); /* RLIU_CR - RX LIU config */ - lmc_t1_write(sc, 0x40, 0x03); /* RCR0 - RX config */ - lmc_t1_write(sc, 0x45, 0x00); /* RALM - RX alarm config */ - lmc_t1_write(sc, 0x46, 0x05); /* LATCH - RX alarm/err/cntr latch */ - lmc_t1_write(sc, 0x68, 0x40); /* TLIU_CR - TX LIU config */ - lmc_t1_write(sc, 0x70, 0x0D); /* TCR0 - TX framer config */ - lmc_t1_write(sc, 0x71, 0x05); /* TCR1 - TX config */ - lmc_t1_write(sc, 0x72, 0x0B); /* TFRM - TX frame format */ - lmc_t1_write(sc, 0x73, 0x00); /* TERROR - TX error insert */ - lmc_t1_write(sc, 0x74, 0x00); /* TMAN - TX manual Sa/FEBE config */ - lmc_t1_write(sc, 0x75, 0x00); /* TALM - TX alarm signal config */ - lmc_t1_write(sc, 0x76, 0x00); /* TPATT - TX test pattern config */ - lmc_t1_write(sc, 0x77, 0x00); /* TLB - TX inband loopback confg */ - lmc_t1_write(sc, 0x90, 0x05); /* CLAD_CR - clock rate adapter confg */ - lmc_t1_write(sc, 0x91, 0x05); /* CSEL - clad freq sel */ - lmc_t1_write(sc, 0xA6, 0x00); /* DL1_CTL - DL1 control */ - lmc_t1_write(sc, 0xB1, 0x00); /* DL2_CTL - DL2 control */ - lmc_t1_write(sc, 0xD0, 0x47); /* SBI_CR - sys bus iface config */ - lmc_t1_write(sc, 0xD1, 0x70); /* RSB_CR - RX sys bus config */ - lmc_t1_write(sc, 0xD4, 0x30); /* TSB_CR - TX sys bus config */ - for (i=0; i<32; i++) - { - lmc_t1_write(sc, 0x0E0+i, 0x00); /*SBCn sysbus perchannel ctl */ - lmc_t1_write(sc, 0x100+i, 0x00); /* TPCn - TX per-channel ctl */ - lmc_t1_write(sc, 0x180+i, 0x00); /* RPCn - RX per-channel ctl */ - } - for (i=1; i<25; i++) - { lmc_t1_write(sc, 0x0E0+i, 0x0D); - /* SBCn - sys bus per-channel ctl */ - } - /* Turn on the transmiter */ - mii16 |= LMC_MII16_T1_XOE; - lmc_mii_writereg(sc, 0, 16, mii16); - sc->lmc_miireg16 = mii16; -} - -static void lmc_t1_default(lmc_softc_t * const sc) -{ - sc->lmc_miireg16 = LMC_MII16_LED_ALL; - sc->lmc_media->set_link_status(sc, 0); - sc->lmc_media->set_circuit_type(sc, LMC_CTL_CIRCUIT_TYPE_T1); - sc->lmc_media->set_crc_length(sc, LMC_CTL_CRC_LENGTH_16);} - -/* - * Given a user provided state, set ourselves up to match it. This will - * always reset the card if needed. - */ - -static void -lmc_t1_set_status(lmc_softc_t * const sc, lmc_ctl_t *ctl){ - if (ctl == NULL) { - sc->lmc_media->set_circuit_type(sc, sc->ictl.circuit_type); - lmc_set_protocol(sc, NULL); - - return; - } - - /* - * check for change in circuit type - */ - - if (ctl->circuit_type == LMC_CTL_CIRCUIT_TYPE_T1 - && sc->ictl.circuit_type == LMC_CTL_CIRCUIT_TYPE_E1) - sc->lmc_media->set_circuit_type(sc,LMC_CTL_CIRCUIT_TYPE_E1 ); - else if (ctl->circuit_type == LMC_CTL_CIRCUIT_TYPE_E1 - && sc->ictl.circuit_type == LMC_CTL_CIRCUIT_TYPE_T1) - sc->lmc_media->set_circuit_type(sc, LMC_CTL_CIRCUIT_TYPE_T1); - lmc_set_protocol(sc, ctl); -} - -/* - * return hardware link status. - * 0 == link is down, 1 == link is up. - */ - -static int -lmc_t1_get_link_status(lmc_softc_t * const sc){ - u_int16_t link_status; - lmc_mii_writereg(sc, 0, 17, T1FRAMER_ALARM1_STATUS ); - link_status = lmc_mii_readreg(sc, 0, 18) & 0x00FF; /* Make sure it's 8 bits only */ - - /* - * LMC 1200 LED definitions - * led0 yellow = far-end adapter is in Red alarm condition - * led1 blue = received an Alarm Indication signal (upstream failure) - * led2 Green = power to adapter, Gate Array loaded & driver attached - * led3 red = Loss of Signal (LOS) or out of frame (OOF) conditions - * detected on T3 receive signal - */ - - /* detect a change in Blue alarm indication signal */ - if( link_status & T1F_RAIS ) - { /* turn on blue LED */ - lmc_led_on(sc, LMC_DS3_LED1); - } - else - { /* turn off blue LED */ - lmc_led_off(sc, LMC_DS3_LED1); - } - - if( (sc->t1_alarm1_status & T1F_RAIS) != (link_status & T1F_RAIS) ) - { - if( link_status & T1F_RAIS ) - { /* turn on blue LED */ - printf(" link status: RAIS turn ON Blue %x\n", link_status ); /* DEBUG */ - lmc_led_on(sc, LMC_DS3_LED1); - } - else - { /* turn off blue LED */ - printf(" link status: RAIS turn OFF Blue %x\n", link_status ); /* DEBUG */ - lmc_led_off(sc, LMC_DS3_LED1); - } - } - /* - * T1F_RYEL wiggles quite a bit, - * taking it out until I understand why -baz 6/22/99 - */ - if(link_status & T1F_RMYEL) - { - /* turn on yellow LED */ - lmc_led_on(sc, LMC_DS3_LED0); - } - else - { - lmc_led_off(sc, LMC_DS3_LED0); - } - /* Yellow alarm indication */ - if( (sc->t1_alarm1_status & T1F_RMYEL) != - (link_status & T1F_RMYEL) ) - { - if((link_status & T1F_RMYEL) == 0 ) - { - printf(" link status: RYEL turn OFF Yellow %x\n", link_status ); /* DEBUG */ - } - else - { - printf(" link status: RYEL turn ON Yellow %x\n", link_status ); /* DEBUG */ - } - } - - if (link_status & (T1F_RLOF | T1F_RLOS)) - { - lmc_led_on(sc, LMC_DS3_LED3); - } - else - { - lmc_led_off(sc, LMC_DS3_LED3); - } - sc->t1_alarm1_status = link_status; - - lmc_mii_writereg(sc, 0, 17, T1FRAMER_ALARM2_STATUS ); - sc->t1_alarm2_status = lmc_mii_readreg(sc, 0, 18); - - /* link status based upon T1 receive loss of frame or - * loss of signal - RED alarm indication */ - if ((link_status & (T1F_RLOF | T1F_RLOS)) == 0) - return 1; - else - return 0; -} - -/* - * 1 == T1 Circuit Type , 0 == E1 Circuit Type - */ -static void - lmc_t1_set_circuit_type(lmc_softc_t * const sc, int ie) -{ - if (ie == LMC_CTL_CIRCUIT_TYPE_T1) - { - sc->lmc_miireg16 |= LMC_MII16_T1_Z; - sc->ictl.circuit_type = LMC_CTL_CIRCUIT_TYPE_T1; - } else { sc->lmc_miireg16 &= ~LMC_MII16_T1_Z; - sc->ictl.scrambler_onoff = LMC_CTL_CIRCUIT_TYPE_E1; - } - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} - -/* - * 0 == 16bit, 1 == 32bit */ -static void - lmc_t1_set_crc_length(lmc_softc_t * const sc, int state) -{ - if (state == LMC_CTL_CRC_LENGTH_32) { - /* 32 bit */ - sc->lmc_miireg16 |= LMC_MII16_T1_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_32; - sc->lmc_crcSize = LMC_CTL_CRC_BYTESIZE_4; - - } else { - /* 16 bit */ sc->lmc_miireg16 &= ~LMC_MII16_T1_CRC; - sc->ictl.crc_length = LMC_CTL_CRC_LENGTH_16; - sc->lmc_crcSize = LMC_CTL_CRC_BYTESIZE_2; - - } - - lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); -} |
