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Diffstat (limited to 'sys/dev/lnc/if_lncvar.h')
| -rw-r--r-- | sys/dev/lnc/if_lncvar.h | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/sys/dev/lnc/if_lncvar.h b/sys/dev/lnc/if_lncvar.h new file mode 100644 index 0000000..8c76738 --- /dev/null +++ b/sys/dev/lnc/if_lncvar.h @@ -0,0 +1,265 @@ +/*- + * Copyright (c) 1994-1998 + * Paul Richards. 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, + * verbatim and that no modifications are made prior to this + * point in the file. + * 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 Paul Richards. + * 4. The name Paul Richards may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``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 PAUL RICHARDS 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. + * + * $FreeBSD$ + */ + +/* + * Initialize multicast address hashing registers to accept + * all multicasts (only used when in promiscuous mode) + */ +#define MULTI_INIT_ADDR 0xff + +#define NORMAL 0 + +#define NRDRE 3 +#define NTDRE 3 +#define RECVBUFSIZE 1518 /* Packet size rounded to dword boundary */ +#define TRANSBUFSIZE 1518 +#define MBUF_CACHE_LIMIT 0 + +#define MEM_SLEW 8 + +/* LNC Flags */ +#define LNC_INITIALISED 1 +#define LNC_ALLMULTI 2 + +/* BICC port addresses */ +#define BICC_IOSIZE 16 +#define BICC_RDP 0x0c /* Register Data Port */ +#define BICC_RAP 0x0e /* Register Address Port */ + +/* NE2100 port addresses */ +#define NE2100_IOSIZE 24 +#define PCNET_RDP 0x10 /* Register Data Port */ +#define PCNET_RAP 0x12 /* Register Address Port */ +#define PCNET_RESET 0x14 +#define PCNET_BDP 0x16 +#define PCNET_VSW 0x18 + +/* DEPCA port addresses */ +#define DEPCA_IOSIZE 16 +#define DEPCA_CTRL 0x00 /* NIC Control and status register */ +#define DEPCA_RDP 0x04 /* Register Data Port */ +#define DEPCA_RAP 0x06 /* Register Address Port */ +#define DEPCA_ADP 0x0c + +/* DEPCA specific defines */ +#define DEPCA_ADDR_ROM_SIZE 32 + +/* C-NET(98)S port addresses */ +/* Notice, we can ignore fragmantation by using isa_alloc_resourcev(). */ +#define CNET98S_IOSIZE 32 +#define CNET98S_RDP 0x10 /* Register Data Port */ +#define CNET98S_RAP 0x12 /* Register Address Port */ +#define CNET98S_RESET 0x14 +#define CNET98S_IDP 0x16 +#define CNET98S_EEPROM 0x1e + +/* Chip types */ +#define LANCE 1 /* Am7990 */ +#define C_LANCE 2 /* Am79C90 */ +#define PCnet_ISA 3 /* Am79C960 */ +#define PCnet_ISAplus 4 /* Am79C961 */ +#define PCnet_ISA_II 5 /* Am79C961A */ +#define PCnet_32 6 /* Am79C965 */ +#define PCnet_PCI 7 /* Am79C970 */ +#define PCnet_PCI_II 8 /* Am79C970A */ +#define PCnet_FAST 9 /* Am79C971 */ +#define PCnet_FASTplus 10 /* Am79C972 */ +#define PCnet_Home 11 /* Am79C978 */ + + +/* CSR88-89: Chip ID masks */ +#define AMD_MASK 0x003 +#define PART_MASK 0xffff +#define Am79C960 0x0003 +#define Am79C961 0x2260 +#define Am79C961A 0x2261 +#define Am79C965 0x2430 +#define Am79C970 0x0242 +#define Am79C970A 0x2621 +#define Am79C971 0x2623 +#define Am79C972 0x2624 +#define Am79C973 0x2625 +#define Am79C978 0x2626 + +/* Board types */ +#define UNKNOWN 0 +#define BICC 1 +#define NE2100 2 +#define DEPCA 3 +#define CNET98S 4 /* PC-98 */ + +/* mem_mode values */ +#define DMA_FIXED 1 +#define DMA_MBUF 2 +#define SHMEM 4 + +#define MEM_MODES \ + "\20\3SHMEM\2DMA_MBUF\1DMA_FIXED" + +#define CSR0_FLAGS \ + "\20\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\12TINT\11IDON\ + \10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT" + +#define INIT_MODE \ + "\20\20PROM\07INTL\06DRTY\05COLL\04DTCR\03LOOP\02DTX\01DRX" + +#define RECV_MD1 \ + "\20\10OWN\7ERR\6FRAM\5OFLO\4CRC\3BUFF\2STP\1ENP" + +#define TRANS_MD1 \ + "\20\10OWN\7ERR\6RES\5MORE\4ONE\3DEF\2STP\1ENP" + +#define TRANS_MD3 \ + "\20\6BUFF\5UFLO\4RES\3LCOL\2LCAR\1RTRY" + +#ifdef LNC_KEEP_STATS +#define LNCSTATS_STRUCT \ + struct lnc_stats { \ + int idon; \ + int rint; \ + int tint; \ + int cerr; \ + int babl; \ + int miss; \ + int merr; \ + int rxoff; \ + int txoff; \ + int terr; \ + int lcol; \ + int lcar; \ + int tbuff; \ + int def; \ + int more; \ + int one; \ + int uflo; \ + int rtry; \ + int rerr; \ + int fram; \ + int oflo; \ + int crc; \ + int rbuff; \ + int drop_packet; \ + int trans_ring_full; \ + } lnc_stats; +#define LNCSTATS(X) ++(sc->lnc_stats.X); +#else +#define LNCSTATS_STRUCT +#define LNCSTATS(X) +#endif + +struct nic_info { + int ident; /* Type of card */ + int ic; /* Type of ic, Am7990, Am79C960 etc. */ + int mem_mode; + int iobase; + int mode; /* Mode setting at initialization */ +}; + +typedef struct lnc_softc { + struct resource *irqres; + int irqrid; + struct resource *drqres; + int drqrid; + struct resource *portres; + int portrid; + bus_space_tag_t lnc_btag; + bus_space_handle_t lnc_bhandle; + void *intrhand; + bus_dma_tag_t dmat; + bus_dmamap_t dmamap; + struct arpcom arpcom; /* see ../../net/if_arp.h */ + struct nic_info nic; /* NIC specific info */ + int nrdre; + struct host_ring_entry *recv_ring; /* start of alloc'd mem */ + int recv_next; + int ntdre; + struct host_ring_entry *trans_ring; + int trans_next; + struct init_block *init_block; /* Initialisation block */ + int pending_transmits; /* No. of transmit descriptors in + use */ + int next_to_send; + struct mbuf *mbufs; + int mbuf_count; + int flags; + int rap; + int rdp; + int bdp; + #ifdef DEBUG + int lnc_debug; + #endif + LNCSTATS_STRUCT +} lnc_softc_t; + +struct host_ring_entry { + struct mds *md; + union { + struct mbuf *mbuf; + char *data; + }buff; +}; + +#define NDESC(len2) (1 << len2) + +#define INC_MD_PTR(ptr, no_entries) \ + if (++ptr >= NDESC(no_entries)) \ + ptr = 0; + +#define DEC_MD_PTR(ptr, no_entries) \ + if (--ptr < 0) \ + ptr = NDESC(no_entries) - 1; + +#define RECV_NEXT (sc->recv_ring->base + sc->recv_next) +#define TRANS_NEXT (sc->trans_ring->base + sc->trans_next) + +#define lnc_inb(port) \ + bus_space_read_1(sc->lnc_btag, sc->lnc_bhandle, (port)) +#define lnc_inw(port) \ + bus_space_read_2(sc->lnc_btag, sc->lnc_bhandle, (port)) +#define lnc_outw(port, val) \ + bus_space_write_2(sc->lnc_btag, sc->lnc_bhandle, (port), (val)) + +/* Functional declarations */ +extern int lance_probe(struct lnc_softc *); +extern void lnc_release_resources(device_t); +extern int lnc_attach_common(device_t); +extern void lnc_stop(struct lnc_softc *); + +extern void write_csr(struct lnc_softc *, u_short, u_short); +extern u_short read_csr(struct lnc_softc *, u_short); + +/* Variable declarations */ +extern driver_intr_t lncintr; +extern devclass_t lnc_devclass; |
