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/* $OpenBSD: fwohcivar.h,v 1.2 2002/12/13 02:52:04 tdeval Exp $ */
/* $NetBSD: fwohcivar.h,v 1.17 2002/01/16 01:47:37 eeh Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of the 3am Software Foundry.
*
* 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_IEEE1394_FWOHCIVAR_H_
#define _DEV_IEEE1394_FWOHCIVAR_H_
#ifdef __NetBSD__
#include <sys/callout.h>
#else
#include <sys/timeout.h>
#endif
#include <sys/queue.h>
#include <machine/bus.h>
#define OHCI_PAGE_SIZE 0x0800
#define OHCI_BUF_ARRQ_CNT 16
#define OHCI_BUF_ARRS_CNT 8
#define OHCI_BUF_ATRQ_CNT (8*8)
#define OHCI_BUF_ATRS_CNT (8*8)
#define OHCI_BUF_IR_CNT 8
#define OHCI_BUF_CNT \
(OHCI_BUF_ARRQ_CNT + OHCI_BUF_ARRS_CNT + OHCI_BUF_ATRQ_CNT + \
OHCI_BUF_ATRS_CNT + OHCI_BUF_IR_CNT + 1 + 1)
#define OHCI_LOOP 1000
#define OHCI_SELFID_TIMEOUT (hz * 3)
#define OHCI_ASYNC_STREAM 0x40
struct fwohci_softc;
struct fwohci_pkt;
struct mbuf;
typedef struct fwohci_buf {
TAILQ_ENTRY(fwohci_buf) fb_list;
bus_dma_segment_t fb_seg;
int fb_nseg;
bus_dmamap_t fb_dmamap; /* DMA map of the buffer */
caddr_t fb_buf; /* kernel vaddr of the buffer */
struct fwohci_desc *fb_desc; /* kernel vaddr of descriptor */
bus_addr_t fb_daddr; /* paddr of the descriptor */
int fb_off;
struct mbuf *fb_m;
void *fb_statusarg;
void (*fb_callback)(struct device *, struct mbuf *);
int (*fb_statuscb)(struct fwohci_softc *, void *,
struct fwohci_pkt *);
} fwohci_buf;
typedef struct fwohci_pkt {
int fp_tcode;
int fp_hlen;
int fp_dlen;
u_int32_t fp_hdr[4];
struct uio fp_uio;
struct iovec fp_iov[6];
u_int32_t *fp_trail;
struct mbuf *fp_m;
u_int16_t fp_status;
void *fp_statusarg;
void (*fp_callback)(struct device *, struct mbuf *);
int (*fp_statuscb)(struct fwohci_softc *, void *,
struct fwohci_pkt *);
} fwohci_pkt;
typedef struct fwohci_handler {
LIST_ENTRY(fwohci_handler) fh_list;
u_int32_t fh_tcode; /* ARRQ / ARRS / IR */
u_int32_t fh_key1; /* addrhi / srcid / chan */
u_int32_t fh_key2; /* addrlo / tlabel / tag */
int (*fh_handler)(struct fwohci_softc *, void *,
struct fwohci_pkt *);
void *fh_handarg;
} fwohci_handler;
typedef struct fwohci_ctx {
int fc_ctx;
int fc_type; /*
* FWOHCI_CTX_(ASYNC|
* ISO_SINGLE|
* ISO_MULTI)
*/
int fc_bufcnt;
u_int32_t *fc_branch;
TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf;
struct fwohci_buf_s fc_buf2; /* for iso */
LIST_HEAD(, fwohci_handler) fc_handler;
struct fwohci_buf *fc_buffers;
} fwohci_ctx;
typedef struct fwohci_uidtbl {
int fu_valid;
u_int8_t fu_uid[8];
} fwohci_uidtbl;
/*
* Needed to keep track of outstanding packets during a read op. Since the
* packet stream is asynch it's possible to parse a response packet before the
* ack bits are processed. In this case something needs to track whether the
* abuf is still valid before possibly attempting to use items from within it.
*/
typedef struct fwohci_cb {
struct ieee1394_abuf *ab;
int count;
int abuf_valid;
} fwohci_cb;
typedef struct fwohci_softc {
struct ieee1394_softc sc_sc1394;
struct evcnt sc_intrcnt;
struct evcnt sc_isocnt;
struct evcnt sc_isopktcnt;
bus_space_tag_t sc_memt;
bus_space_handle_t sc_memh;
bus_dma_tag_t sc_dmat;
bus_size_t sc_memsize;
#if 0
/*
* Mandatory structures to get the link enabled.
*/
bus_dmamap_t sc_configrom_map;
bus_dmamap_t sc_selfid_map;
u_int32_t *sc_selfid_buf;
u_int32_t *sc_configrom;
#endif
bus_dma_segment_t sc_dseg;
int sc_dnseg;
bus_dmamap_t sc_ddmamap;
struct fwohci_desc *sc_desc;
u_int8_t *sc_descmap;
int sc_descsize;
int sc_isoctx;
void *sc_shutdownhook;
void *sc_powerhook;
#ifdef __NetBSD__
struct callout sc_selfid_callout;
#else
struct timeout sc_selfid_callout;
#endif
int sc_selfid_fail;
struct fwohci_ctx *sc_ctx_arrq;
struct fwohci_ctx *sc_ctx_arrs;
struct fwohci_ctx *sc_ctx_atrq;
struct fwohci_ctx *sc_ctx_atrs;
struct fwohci_ctx **sc_ctx_ir;
struct fwohci_buf sc_buf_cnfrom;
struct fwohci_buf sc_buf_selfid;
struct proc *sc_event_thread;
int *sc_dying;
u_int32_t sc_intmask;
u_int32_t sc_iso;
u_int32_t sc_isorxrst;
u_int32_t sc_isotxrst;
u_int8_t sc_csr[CSR_SB_END];
struct fwohci_uidtbl *sc_uidtbl;
u_int16_t sc_nodeid; /* Full Node ID of this node */
u_int8_t sc_rootid; /* Phy ID of Root */
u_int8_t sc_irmid; /* Phy ID of IRM */
u_int8_t sc_tlabel; /* Transaction Label */
LIST_HEAD(, ieee1394_softc) sc_nodelist;
} fwohci_softc;
int fwohci_init (struct fwohci_softc *, const struct evcnt *);
int fwohci_intr (void *);
int fwohci_print (void *, const char *);
int fwohci_detach(struct fwohci_softc *, int);
int fwohci_activate(struct device *, enum devact);
/* Macros to read and write the OHCI registers
*/
#define OHCI_CSR_WRITE(sc, reg, val) \
bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, htole32(val))
#ifdef __NetBSD__
#define OHCI_CSR_READ(sc, reg) \
le32toh(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg))
#else
#define OHCI_CSR_READ(sc, reg) \
letoh32(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg))
#endif
#define FWOHCI_CTX_ASYNC 0
#define FWOHCI_CTX_ISO_SINGLE 1 /* for async stream */
#define FWOHCI_CTX_ISO_MULTI 2 /* for isochronous */
/* Locators. */
#ifdef __NetBSD__
#include "locators.h"
#else
/* dup from sys/conf/files */
#define FWBUSCF_IDHI_DEFAULT (-1)
#define FWBUSCF_IDLO_DEFAULT (-1)
#define FWBUSCF_IDHI 1
#define FWBUSCF_IDLO 0
#endif
#define fwbuscf_idhi cf_loc[FWBUSCF_IDHI]
#define FWBUS_UNK_IDHI FWBUSCF_IDHI_DEFAULT
#define fwbuscf_idlo cf_loc[FWBUSCF_IDLO]
#define FWBUS_UNK_IDLO FWBUSCF_IDLO_DEFAULT
#endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */
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