/* $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_ #include #include #include #include #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 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 virtual addr of the buffer */ struct fwohci_desc *fb_desc; /* kernel virtual addr of descriptor */ bus_addr_t fb_daddr; /* physical addr 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 *); }; 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; int (*fp_statuscb)(struct fwohci_softc *, void *, struct fwohci_pkt *); void (*fp_callback)(struct device *, struct mbuf *); }; 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; }; 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; }; struct fwohci_uidtbl { int fu_valid; u_int8_t fu_uid[8]; }; /* * 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. */ struct fwohci_cb { struct ieee1394_abuf *ab; int count; int abuf_valid; }; 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; struct callout sc_selfid_callout; 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_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; }; 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)) #define OHCI_CSR_READ(sc, reg) \ le32toh(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg)) #define FWOHCI_CTX_ASYNC 0 #define FWOHCI_CTX_ISO_SINGLE 1 /* for async stream */ #define FWOHCI_CTX_ISO_MULTI 2 /* for isochronous */ /* Locators. */ #include "locators.h" #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_ */