220 lines
6.6 KiB
C
220 lines
6.6 KiB
C
/* $NetBSD: fwohcivar.h,v 1.17 2002/01/16 01:47:37 eeh Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas of the 3am Software Foundry.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DEV_IEEE1394_FWOHCIVAR_H_
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#define _DEV_IEEE1394_FWOHCIVAR_H_
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#include <sys/mbuf.h>
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#include <sys/callout.h>
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#include <sys/queue.h>
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#include <machine/bus.h>
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#define OHCI_PAGE_SIZE 0x0800
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#define OHCI_BUF_ARRQ_CNT 16
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#define OHCI_BUF_ARRS_CNT 8
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#define OHCI_BUF_ATRQ_CNT (8*8)
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#define OHCI_BUF_ATRS_CNT (8*8)
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#define OHCI_BUF_IR_CNT 8
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#define OHCI_BUF_CNT \
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(OHCI_BUF_ARRQ_CNT + OHCI_BUF_ARRS_CNT + OHCI_BUF_ATRQ_CNT + \
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OHCI_BUF_ATRS_CNT + OHCI_BUF_IR_CNT + 1 + 1)
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#define OHCI_LOOP 1000
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#define OHCI_SELFID_TIMEOUT (hz * 3)
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#define OHCI_ASYNC_STREAM 0x40
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struct fwohci_softc;
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struct fwohci_pkt;
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struct fwohci_buf {
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TAILQ_ENTRY(fwohci_buf) fb_list;
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bus_dma_segment_t fb_seg;
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int fb_nseg;
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bus_dmamap_t fb_dmamap; /* DMA map of the buffer */
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caddr_t fb_buf; /* kernel virtual addr of the buffer */
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struct fwohci_desc *fb_desc; /* kernel virtual addr of descriptor */
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bus_addr_t fb_daddr; /* physical addr of the descriptor */
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int fb_off;
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struct mbuf *fb_m;
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void *fb_statusarg;
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void (*fb_callback)(struct device *, struct mbuf *);
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int (*fb_statuscb)(struct fwohci_softc *, void *, struct fwohci_pkt *);
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};
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struct fwohci_pkt {
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int fp_tcode;
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int fp_hlen;
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int fp_dlen;
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u_int32_t fp_hdr[4];
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struct uio fp_uio;
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struct iovec fp_iov[6];
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u_int32_t *fp_trail;
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struct mbuf *fp_m;
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u_int16_t fp_status;
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void *fp_statusarg;
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int (*fp_statuscb)(struct fwohci_softc *, void *, struct fwohci_pkt *);
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void (*fp_callback)(struct device *, struct mbuf *);
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};
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struct fwohci_handler {
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LIST_ENTRY(fwohci_handler) fh_list;
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u_int32_t fh_tcode; /* ARRQ / ARRS / IR */
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u_int32_t fh_key1; /* addrhi / srcid / chan */
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u_int32_t fh_key2; /* addrlo / tlabel / tag */
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int (*fh_handler)(struct fwohci_softc *, void *,
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struct fwohci_pkt *);
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void *fh_handarg;
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};
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struct fwohci_ctx {
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int fc_ctx;
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int fc_type; /* FWOHCI_CTX_(ASYNC|ISO_SINGLE|ISO_MULTI) */
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int fc_bufcnt;
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u_int32_t *fc_branch;
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TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf;
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struct fwohci_buf_s fc_buf2; /* for iso */
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LIST_HEAD(, fwohci_handler) fc_handler;
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struct fwohci_buf *fc_buffers;
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};
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struct fwohci_uidtbl {
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int fu_valid;
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u_int8_t fu_uid[8];
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};
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/*
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* Needed to keep track of outstanding packets during a read op. Since the
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* packet stream is asynch it's possible to parse a response packet before the
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* ack bits are processed. In this case something needs to track whether the
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* abuf is still valid before possibly attempting to use items from within it.
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*/
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struct fwohci_cb {
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struct ieee1394_abuf *ab;
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int count;
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int abuf_valid;
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};
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struct fwohci_softc {
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struct ieee1394_softc sc_sc1394;
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struct evcnt sc_intrcnt;
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struct evcnt sc_isocnt;
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struct evcnt sc_isopktcnt;
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bus_space_tag_t sc_memt;
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bus_space_handle_t sc_memh;
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bus_dma_tag_t sc_dmat;
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bus_size_t sc_memsize;
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#if 0
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/* Mandatory structures to get the link enabled
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*/
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bus_dmamap_t sc_configrom_map;
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bus_dmamap_t sc_selfid_map;
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u_int32_t *sc_selfid_buf;
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u_int32_t *sc_configrom;
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#endif
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bus_dma_segment_t sc_dseg;
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int sc_dnseg;
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bus_dmamap_t sc_ddmamap;
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struct fwohci_desc *sc_desc;
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u_int8_t *sc_descmap;
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int sc_descsize;
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int sc_isoctx;
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void *sc_shutdownhook;
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void *sc_powerhook;
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struct callout sc_selfid_callout;
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int sc_selfid_fail;
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struct fwohci_ctx *sc_ctx_arrq;
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struct fwohci_ctx *sc_ctx_arrs;
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struct fwohci_ctx *sc_ctx_atrq;
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struct fwohci_ctx *sc_ctx_atrs;
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struct fwohci_ctx **sc_ctx_ir;
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struct fwohci_buf sc_buf_cnfrom;
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struct fwohci_buf sc_buf_selfid;
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struct proc *sc_event_thread;
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int sc_dying;
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u_int32_t sc_intmask;
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u_int32_t sc_iso;
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u_int8_t sc_csr[CSR_SB_END];
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struct fwohci_uidtbl *sc_uidtbl;
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u_int16_t sc_nodeid; /* Full Node ID of this node */
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u_int8_t sc_rootid; /* Phy ID of Root */
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u_int8_t sc_irmid; /* Phy ID of IRM */
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u_int8_t sc_tlabel; /* Transaction Label */
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LIST_HEAD(, ieee1394_softc) sc_nodelist;
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};
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int fwohci_init (struct fwohci_softc *, const struct evcnt *);
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int fwohci_intr (void *);
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int fwohci_print (void *, const char *);
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int fwohci_detach(struct fwohci_softc *, int);
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int fwohci_activate(struct device *, enum devact);
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/* Macros to read and write the OHCI registers
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*/
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#define OHCI_CSR_WRITE(sc, reg, val) \
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bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, htole32(val))
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#define OHCI_CSR_READ(sc, reg) \
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le32toh(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg))
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#define FWOHCI_CTX_ASYNC 0
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#define FWOHCI_CTX_ISO_SINGLE 1 /* for async stream */
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#define FWOHCI_CTX_ISO_MULTI 2 /* for isochronous */
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/* Locators. */
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#include "locators.h"
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#define fwbuscf_idhi cf_loc[FWBUSCF_IDHI]
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#define FWBUS_UNK_IDHI FWBUSCF_IDHI_DEFAULT
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#define fwbuscf_idlo cf_loc[FWBUSCF_IDLO]
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#define FWBUS_UNK_IDLO FWBUSCF_IDLO_DEFAULT
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#endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */
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