/* $NetBSD: tulipvar.h,v 1.36 2000/05/26 16:38:14 thorpej Exp $ */ /*- * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _DEV_IC_TULIPVAR_H_ #define _DEV_IC_TULIPVAR_H_ #include #include /* * Misc. definitions for the Digital Semiconductor ``Tulip'' (21x4x) * Ethernet controller family driver. */ /* * Transmit descriptor list size. This is arbitrary, but allocate * enough descriptors for 64 pending transmissions and 16 segments * per packet. Since a descriptor holds 2 buffer addresses, that's * 8 descriptors per packet. This MUST work out to a power of 2. */ #define TULIP_NTXSEGS 16 #define TULIP_TXQUEUELEN 64 #define TULIP_NTXDESC (TULIP_TXQUEUELEN * TULIP_NTXSEGS) #define TULIP_NTXDESC_MASK (TULIP_NTXDESC - 1) #define TULIP_NEXTTX(x) ((x + 1) & TULIP_NTXDESC_MASK) /* * Receive descriptor list size. We have one Rx buffer per incoming * packet, so this logic is a little simpler. */ #define TULIP_NRXDESC 64 #define TULIP_NRXDESC_MASK (TULIP_NRXDESC - 1) #define TULIP_NEXTRX(x) ((x + 1) & TULIP_NRXDESC_MASK) /* * Control structures are DMA'd to the TULIP chip. We allocate them in * a single clump that maps to a single DMA segment to make several things * easier. */ struct tulip_control_data { /* * The transmit descriptors. */ struct tulip_desc tcd_txdescs[TULIP_NTXDESC]; /* * The receive descriptors. */ struct tulip_desc tcd_rxdescs[TULIP_NRXDESC]; /* * The setup packet. */ u_int32_t tcd_setup_packet[TULIP_SETUP_PACKET_LEN / sizeof(u_int32_t)]; }; #define TULIP_CDOFF(x) offsetof(struct tulip_control_data, x) #define TULIP_CDTXOFF(x) TULIP_CDOFF(tcd_txdescs[(x)]) #define TULIP_CDRXOFF(x) TULIP_CDOFF(tcd_rxdescs[(x)]) #define TULIP_CDSPOFF TULIP_CDOFF(tcd_setup_packet) /* * Software state for transmit jobs. */ struct tulip_txsoft { struct mbuf *txs_mbuf; /* head of our mbuf chain */ bus_dmamap_t txs_dmamap; /* our DMA map */ int txs_firstdesc; /* first descriptor in packet */ int txs_lastdesc; /* last descriptor in packet */ int txs_ndescs; /* number of descriptors */ SIMPLEQ_ENTRY(tulip_txsoft) txs_q; }; SIMPLEQ_HEAD(tulip_txsq, tulip_txsoft); /* * Software state for receive jobs. */ struct tulip_rxsoft { struct mbuf *rxs_mbuf; /* head of our mbuf chain */ bus_dmamap_t rxs_dmamap; /* our DMA map */ }; /* * Type of Tulip chip we're dealing with. */ typedef enum { TULIP_CHIP_INVALID = 0, /* invalid chip type */ TULIP_CHIP_DE425 = 1, /* DE-425 EISA */ TULIP_CHIP_21040 = 2, /* DECchip 21040 */ TULIP_CHIP_21041 = 3, /* DECchip 21041 */ TULIP_CHIP_21140 = 4, /* DECchip 21140 */ TULIP_CHIP_21140A = 5, /* DECchip 21140A */ TULIP_CHIP_21142 = 6, /* DECchip 21142 */ TULIP_CHIP_21143 = 7, /* DECchip 21143 */ TULIP_CHIP_82C168 = 8, /* Lite-On 82C168 PNIC */ TULIP_CHIP_82C169 = 9, /* Lite-On 82C169 PNIC */ TULIP_CHIP_82C115 = 10, /* Lite-On 82C115 PNIC II */ TULIP_CHIP_MX98713 = 11, /* Macronix 98713 PMAC */ TULIP_CHIP_MX98713A = 12, /* Macronix 98713A PMAC */ TULIP_CHIP_MX98715 = 13, /* Macronix 98715 PMAC */ TULIP_CHIP_MX98715A = 14, /* Macronix 98715A PMAC */ TULIP_CHIP_MX98725 = 15, /* Macronix 98725 PMAC */ TULIP_CHIP_WB89C840F = 16, /* Winbond 89C840F */ TULIP_CHIP_DM9102 = 17, /* Davicom DM9102 */ TULIP_CHIP_DM9102A = 18, /* Davicom DM9102A */ TULIP_CHIP_AL981 = 19, /* ADMtek AL981 */ TULIP_CHIP_AX88140 = 20, /* ASIX AX88140 */ TULIP_CHIP_AX88141 = 21, /* ASIX AX88141 */ TULIP_CHIP_X3201_3 = 22, /* Xircom X3201-3 */ } tulip_chip_t; #define TULIP_CHIP_NAMES \ { \ NULL, \ "DE-425", \ "DECchip 21040", \ "DECchip 21041", \ "DECchip 21140", \ "DECchip 21140A", \ "DECchip 21142", \ "DECchip 21143", \ "Lite-On 82C168", \ "Lite-On 82C169", \ "Lite-On 82C115", \ "Macronix MX98713", \ "Macronix MX98713A", \ "Macronix MX98715", \ "Macronix MX98715A", \ "Macronix MX98725", \ "Winbond 89C840F", \ "Davicom DM9102", \ "Davicom DM9102A", \ "ADMtek AL981", \ "ASIX AX88140", \ "ASIX AX88141", \ "Xircom X3201-3", \ } struct tulip_softc; /* * Media init, change, status function pointers. */ struct tulip_mediasw { void (*tmsw_init) __P((struct tulip_softc *)); void (*tmsw_get) __P((struct tulip_softc *, struct ifmediareq *)); int (*tmsw_set) __P((struct tulip_softc *)); }; /* * Table which describes the transmit threshold mode. We generally * start at index 0. Whenever we get a transmit underrun, we increment * our index, falling back if we encounter the NULL terminator. */ struct tulip_txthresh_tab { u_int32_t txth_opmode; /* OPMODE bits */ const char *txth_name; /* name of mode */ }; #define TLP_TXTHRESH_TAB_10 { \ { OPMODE_TR_72, "72 bytes" }, \ { OPMODE_TR_96, "96 bytes" }, \ { OPMODE_TR_128, "128 bytes" }, \ { OPMODE_TR_160, "160 bytes" }, \ { 0, NULL }, \ } #define TLP_TXTHRESH_TAB_10_100 { \ { OPMODE_TR_72, "72/128 bytes" }, \ { OPMODE_TR_96, "96/256 bytes" }, \ { OPMODE_TR_128, "128/512 bytes" }, \ { OPMODE_TR_160, "160/1024 bytes" }, \ { OPMODE_SF, "store and forward mode" }, \ { 0, NULL }, \ } #define TXTH_72 0 #define TXTH_96 1 #define TXTH_128 2 #define TXTH_160 3 #define TXTH_SF 4 #define TLP_TXTHRESH_TAB_DM9102 { \ { OPMODE_TR_72, "72/128 bytes" }, \ { OPMODE_TR_96, "96/256 bytes" }, \ { OPMODE_TR_128, "128/512 bytes" }, \ { OPMODE_SF, "store and forward mode" }, \ { 0, NULL }, \ } #define TXTH_DM9102_72 0 #define TXTH_DM9102_96 1 #define TXTH_DM9102_128 2 #define TXTH_DM9102_SF 3 /* * The Winbond 89C840F does transmit threshold control totally * differently. It simply has a 7-bit field which indicates * the threshold: * * txth = ((OPMODE & OPMODE_WINB_TTH) >> OPMODE_WINB_TTH_SHIFT) * 16; * * However, we just do Store-and-Forward mode on these chips, since * the DMA engines seem to be flaky. */ #define TLP_TXTHRESH_TAB_WINB { \ { 0, "store and forward mode" }, \ { 0, NULL }, \ } #define TXTH_WINB_SF 0 /* * Settings for Tulip SIA media. */ struct tulip_sia_media { u_int32_t tsm_siaconn; /* CSR13 value */ u_int32_t tsm_siatxrx; /* CSR14 value */ u_int32_t tsm_siagen; /* CSR15 value */ }; /* * Description of 2x14x media. */ struct tulip_21x4x_media { int tm_type; /* type of media; see tulipreg.h */ const char *tm_name; /* name of media */ void (*tm_get) __P((struct tulip_softc *, struct ifmediareq *)); int (*tm_set) __P((struct tulip_softc *)); int tm_phyno; /* PHY # on MII */ int tm_gp_length; /* MII select sequence length */ int tm_gp_offset; /* MII select sequence offset */ int tm_reset_length;/* MII reset sequence length */ int tm_reset_offset;/* MII reset sequence offset */ u_int32_t tm_opmode; /* OPMODE bits for this media */ u_int32_t tm_gpctl; /* GPIO control bits for this media */ u_int32_t tm_gpdata; /* GPIO bits for this media */ u_int32_t tm_actmask; /* `active' bits for this data */ u_int32_t tm_actdata; /* active high/low info */ struct tulip_sia_media tm_sia; /* SIA settings */ #define tm_siaconn tm_sia.tsm_siaconn #define tm_siatxrx tm_sia.tsm_siatxrx #define tm_siagen tm_sia.tsm_siagen }; /* * Table for converting Tulip SROM media info into ifmedia data. */ struct tulip_srom_to_ifmedia { u_int8_t tsti_srom; /* SROM media type */ int tsti_subtype; /* ifmedia subtype */ int tsti_options; /* ifmedia options */ const char *tsti_name; /* media name */ u_int32_t tsti_opmode; /* OPMODE bits for this media */ /* * Settings for 21040, 21041, and 21142/21143 SIA, in the event * the SROM doesn't have them. */ struct tulip_sia_media tsti_21040; struct tulip_sia_media tsti_21041; struct tulip_sia_media tsti_21142; }; /* * Some misc. statics, useful for debugging. */ struct tulip_stats { u_long ts_tx_uf; /* transmit underflow errors */ u_long ts_tx_to; /* transmit jabber timeouts */ u_long ts_tx_ec; /* excessve collision count */ u_long ts_tx_lc; /* late collision count */ }; /* * Software state per device. */ struct tulip_softc { struct device sc_dev; /* generic device information */ bus_space_tag_t sc_st; /* bus space tag */ bus_space_handle_t sc_sh; /* bus space handle */ bus_dma_tag_t sc_dmat; /* bus DMA tag */ struct ethercom sc_ethercom; /* ethernet common data */ void *sc_sdhook; /* shutdown hook */ void *sc_powerhook; /* power management hook */ struct tulip_stats sc_stats; /* debugging stats */ /* * Contents of the SROM. */ u_int8_t *sc_srom; int sc_srom_addrbits; /* * Media access functions for this chip. */ const struct tulip_mediasw *sc_mediasw; mii_bitbang_ops_t sc_bitbang_ops; /* * For chips with built-in NWay blocks, these are state * variables required for autonegotiation. */ int sc_nway_ticks; /* tick counter */ struct ifmedia_entry *sc_nway_active; /* the active media */ struct callout sc_nway_callout; tulip_chip_t sc_chip; /* chip type */ int sc_rev; /* chip revision */ int sc_flags; /* misc flags. */ char sc_name[16]; /* board name */ u_int32_t sc_cacheline; /* cache line size */ int sc_devno; /* PCI device # */ struct mii_data sc_mii; /* MII/media information */ const struct tulip_txthresh_tab *sc_txth; int sc_txthresh; /* current transmit threshold */ u_int8_t sc_gp_dir; /* GPIO pin direction bits (21140) */ int sc_media_seen; /* ISV media block types seen */ int sc_tlp_minst; /* Tulip internal media instance */ /* Reset function. */ void (*sc_reset) __P((struct tulip_softc *)); /* Pre-init function. */ void (*sc_preinit) __P((struct tulip_softc *)); /* Filter setup function. */ void (*sc_filter_setup) __P((struct tulip_softc *)); /* Media status update function. */ void (*sc_statchg) __P((struct device *)); /* Media tick function. */ void (*sc_tick) __P((void *)); struct callout sc_tick_callout; /* Power management hooks. */ int (*sc_enable) __P((struct tulip_softc *)); void (*sc_disable) __P((struct tulip_softc *)); void (*sc_power) __P((struct tulip_softc *, int)); /* * The Winbond 89C840F places registers 4 bytes apart, instead * of 8. */ int sc_regshift; u_int32_t sc_busmode; /* copy of CSR_BUSMODE */ u_int32_t sc_opmode; /* copy of CSR_OPMODE */ u_int32_t sc_inten; /* copy of CSR_INTEN */ u_int32_t sc_rxint_mask; /* mask of Rx interrupts we want */ u_int32_t sc_txint_mask; /* mask of Tx interrupts we want */ u_int32_t sc_filtmode; /* filter mode we're using */ bus_dma_segment_t sc_cdseg; /* control data memory */ int sc_cdnseg; /* number of segments */ bus_dmamap_t sc_cddmamap; /* control data DMA map */ #define sc_cddma sc_cddmamap->dm_segs[0].ds_addr /* * Software state for transmit and receive descriptors. */ struct tulip_txsoft sc_txsoft[TULIP_TXQUEUELEN]; struct tulip_rxsoft sc_rxsoft[TULIP_NRXDESC]; /* * Control data structures. */ struct tulip_control_data *sc_control_data; #define sc_txdescs sc_control_data->tcd_txdescs #define sc_rxdescs sc_control_data->tcd_rxdescs #define sc_setup_desc sc_control_data->tcd_setup_desc int sc_txfree; /* number of free Tx descriptors */ int sc_txnext; /* next ready Tx descriptor */ int sc_ntxsegs; /* number of transmit segs per pkt */ u_int32_t sc_tdctl_ch; /* conditional desc chaining */ u_int32_t sc_tdctl_er; /* conditional desc end-of-ring */ u_int32_t sc_setup_fsls; /* FS|LS on setup descriptor */ struct tulip_txsq sc_txfreeq; /* free Tx descsofts */ struct tulip_txsq sc_txdirtyq; /* dirty Tx descsofts */ int sc_rxptr; /* next ready RX descriptor/descsoft */ }; /* sc_flags */ #define TULIPF_WANT_SETUP 0x00000001 /* want filter setup */ #define TULIPF_DOING_SETUP 0x00000002 /* doing multicast setup */ #define TULIPF_HAS_MII 0x00000004 /* has media on MII */ #define TULIPF_IC_FS 0x00000008 /* IC bit on first tx seg */ #define TULIPF_MRL 0x00000010 /* memory read line okay */ #define TULIPF_MRM 0x00000020 /* memory read multi okay */ #define TULIPF_MWI 0x00000040 /* memory write inval okay */ #define TULIPF_AUTOPOLL 0x00000080 /* chip supports auto-poll */ #define TULIPF_LINK_UP 0x00000100 /* link is up (non-MII) */ #define TULIPF_LINK_VALID 0x00000200 /* link state valid */ #define TULIPF_DOINGAUTO 0x00000400 /* doing autoneg (non-MII) */ #define TULIPF_ATTACHED 0x00000800 /* attach has succeeded */ #define TULIPF_ENABLED 0x00001000 /* chip is enabled */ #define TULIP_IS_ENABLED(sc) ((sc)->sc_flags & TULIPF_ENABLED) /* * This macro returns the current media entry for *non-MII* media. */ #define TULIP_CURRENT_MEDIA(sc) \ (IFM_SUBTYPE((sc)->sc_mii.mii_media.ifm_cur->ifm_media) != IFM_AUTO ? \ (sc)->sc_mii.mii_media.ifm_cur : (sc)->sc_nway_active) /* * This macro determines if a change to media-related OPMODE bits requires * a chip reset. */ #define TULIP_MEDIA_NEEDSRESET(sc, newbits) \ (((sc)->sc_opmode & OPMODE_MEDIA_BITS) != \ ((newbits) & OPMODE_MEDIA_BITS)) #define TULIP_CDTXADDR(sc, x) ((sc)->sc_cddma + TULIP_CDTXOFF((x))) #define TULIP_CDRXADDR(sc, x) ((sc)->sc_cddma + TULIP_CDRXOFF((x))) #define TULIP_CDSPADDR(sc) ((sc)->sc_cddma + TULIP_CDSPOFF) #define TULIP_CDSP(sc) ((sc)->sc_control_data->tcd_setup_packet) #define TULIP_CDTXSYNC(sc, x, n, ops) \ do { \ int __x, __n; \ \ __x = (x); \ __n = (n); \ \ /* If it will wrap around, sync to the end of the ring. */ \ if ((__x + __n) > TULIP_NTXDESC) { \ bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \ TULIP_CDTXOFF(__x), sizeof(struct tulip_desc) * \ (TULIP_NTXDESC - __x), (ops)); \ __n -= (TULIP_NTXDESC - __x); \ __x = 0; \ } \ \ /* Now sync whatever is left. */ \ bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \ TULIP_CDTXOFF(__x), sizeof(struct tulip_desc) * __n, (ops)); \ } while (0) #define TULIP_CDRXSYNC(sc, x, ops) \ bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \ TULIP_CDRXOFF((x)), sizeof(struct tulip_desc), (ops)) #define TULIP_CDSPSYNC(sc, ops) \ bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \ TULIP_CDSPOFF, TULIP_SETUP_PACKET_LEN, (ops)) /* * Note we rely on MCLBYTES being a power of two. Because the `length' * field is only 11 bits, we must subtract 1 from the length to avoid * having it truncated to 0! */ #define TULIP_INIT_RXDESC(sc, x) \ do { \ struct tulip_rxsoft *__rxs = &sc->sc_rxsoft[(x)]; \ struct tulip_desc *__rxd = &sc->sc_rxdescs[(x)]; \ struct mbuf *__m = __rxs->rxs_mbuf; \ \ __m->m_data = __m->m_ext.ext_buf; \ __rxd->td_bufaddr1 = \ htole32(__rxs->rxs_dmamap->dm_segs[0].ds_addr); \ __rxd->td_bufaddr2 = \ htole32(TULIP_CDRXADDR((sc), TULIP_NEXTRX((x)))); \ __rxd->td_ctl = \ htole32((((__m->m_ext.ext_size - 1) & ~0x3U) \ << TDCTL_SIZE1_SHIFT) | (sc)->sc_tdctl_ch | \ ((x) == (TULIP_NRXDESC - 1) ? sc->sc_tdctl_er : 0)); \ __rxd->td_status = htole32(TDSTAT_OWN|TDSTAT_Rx_FS|TDSTAT_Rx_LS); \ TULIP_CDRXSYNC((sc), (x), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); \ } while (0) /* CSR access */ #define TULIP_CSR_OFFSET(sc, csr) \ (TULIP_CSR_INDEX(csr) << (sc)->sc_regshift) #define TULIP_READ(sc, reg) \ bus_space_read_4((sc)->sc_st, (sc)->sc_sh, \ TULIP_CSR_OFFSET((sc), (reg))) #define TULIP_WRITE(sc, reg, val) \ bus_space_write_4((sc)->sc_st, (sc)->sc_sh, \ TULIP_CSR_OFFSET((sc), (reg)), (val)) #define TULIP_SET(sc, reg, mask) \ TULIP_WRITE((sc), (reg), TULIP_READ((sc), (reg)) | (mask)) #define TULIP_CLR(sc, reg, mask) \ TULIP_WRITE((sc), (reg), TULIP_READ((sc), (reg)) & ~(mask)) #define TULIP_ISSET(sc, reg, mask) \ (TULIP_READ((sc), (reg)) & (mask)) #if BYTE_ORDER == BIG_ENDIAN #define TULIP_SP_FIELD_C(x) ((x) << 16) #else #define TULIP_SP_FIELD_C(x) (x) #endif #define TULIP_SP_FIELD(x, f) TULIP_SP_FIELD_C(((u_int16_t *)(x))[(f)]) #ifdef _KERNEL extern const char *tlp_chip_names[]; extern const struct tulip_mediasw tlp_21040_mediasw; extern const struct tulip_mediasw tlp_21040_tp_mediasw; extern const struct tulip_mediasw tlp_21040_auibnc_mediasw; extern const struct tulip_mediasw tlp_21041_mediasw; extern const struct tulip_mediasw tlp_2114x_isv_mediasw; extern const struct tulip_mediasw tlp_sio_mii_mediasw; extern const struct tulip_mediasw tlp_pnic_mediasw; extern const struct tulip_mediasw tlp_pmac_mediasw; extern const struct tulip_mediasw tlp_al981_mediasw; extern const struct tulip_mediasw tlp_dm9102_mediasw; void tlp_attach __P((struct tulip_softc *, const u_int8_t *)); int tlp_activate __P((struct device *, enum devact)); int tlp_detach __P((struct tulip_softc *)); int tlp_intr __P((void *)); int tlp_read_srom __P((struct tulip_softc *)); int tlp_srom_crcok __P((const u_int8_t *)); int tlp_isv_srom __P((const u_int8_t *)); int tlp_isv_srom_enaddr __P((struct tulip_softc *, u_int8_t *)); int tlp_parse_old_srom __P((struct tulip_softc *, u_int8_t *)); int tlp_mediachange __P((struct ifnet *)); void tlp_mediastatus __P((struct ifnet *, struct ifmediareq *)); #endif /* _KERNEL */ #endif /* _DEV_IC_TULIPVAR_H_ */