fwohcivar.h revision 1.14
1 /* $NetBSD: fwohcivar.h,v 1.14 2001/05/15 06:52:31 jmc Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas of the 3am Software Foundry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _DEV_IEEE1394_FWOHCIVAR_H_ 40 #define _DEV_IEEE1394_FWOHCIVAR_H_ 41 42 #include <sys/mbuf.h> 43 #include <sys/callout.h> 44 #include <sys/queue.h> 45 46 #include <machine/bus.h> 47 48 #define OHCI_PAGE_SIZE 0x0800 49 #define OHCI_BUF_ARRQ_CNT 16 50 #define OHCI_BUF_ARRS_CNT 8 51 #define OHCI_BUF_ATRQ_CNT (8*8) 52 #define OHCI_BUF_ATRS_CNT (8*8) 53 #define OHCI_BUF_IR_CNT 16 54 #define OHCI_BUF_CNT \ 55 (OHCI_BUF_ARRQ_CNT + OHCI_BUF_ARRS_CNT + OHCI_BUF_ATRQ_CNT + \ 56 OHCI_BUF_ATRS_CNT + OHCI_BUF_IR_CNT + 1 + 1) 57 58 #define OHCI_LOOP 1000 59 #define OHCI_SELFID_TIMEOUT (hz * 3) 60 61 struct fwohci_softc; 62 struct fwohci_pkt; 63 64 struct fwohci_buf { 65 TAILQ_ENTRY(fwohci_buf) fb_list; 66 bus_dma_segment_t fb_seg; 67 int fb_nseg; 68 bus_dmamap_t fb_dmamap; 69 caddr_t fb_buf; 70 struct fwohci_desc *fb_desc; 71 bus_addr_t fb_daddr; 72 int fb_off; 73 struct mbuf *fb_m; 74 void *fb_statusarg; 75 void (*fb_callback)(struct device *, struct mbuf *); 76 int (*fb_statuscb)(struct fwohci_softc *, void *, struct fwohci_pkt *); 77 }; 78 79 struct fwohci_pkt { 80 int fp_tcode; 81 int fp_hlen; 82 int fp_dlen; 83 u_int32_t fp_hdr[4]; 84 struct uio fp_uio; 85 struct iovec fp_iov[6]; 86 u_int32_t *fp_trail; 87 struct mbuf *fp_m; 88 u_int16_t fp_status; 89 void *fp_statusarg; 90 int (*fp_statuscb)(struct fwohci_softc *, void *, struct fwohci_pkt *); 91 void (*fp_callback)(struct device *, struct mbuf *); 92 }; 93 94 struct fwohci_handler { 95 LIST_ENTRY(fwohci_handler) fh_list; 96 u_int32_t fh_tcode; /* ARRQ / ARRS / IR */ 97 u_int32_t fh_key1; /* addrhi / srcid / chan */ 98 u_int32_t fh_key2; /* addrlo / tlabel / tag */ 99 int (*fh_handler)(struct fwohci_softc *, void *, 100 struct fwohci_pkt *); 101 void *fh_handarg; 102 }; 103 104 struct fwohci_ctx { 105 int fc_ctx; 106 int fc_isoch; 107 int fc_bufcnt; 108 u_int32_t *fc_branch; 109 TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf; 110 LIST_HEAD(, fwohci_handler) fc_handler; 111 }; 112 113 struct fwohci_uidtbl { 114 int fu_valid; 115 u_int8_t fu_uid[8]; 116 }; 117 118 /* 119 * Needed to keep track of outstanding packets during a read op. Since the 120 * packet stream is asynch it's possible to parse a response packet before the 121 * ack bits are processed. In this case something needs to track whether the 122 * abuf is still valid before possibly attempting to use items from within it. 123 */ 124 125 struct fwohci_cb { 126 struct ieee1394_abuf *ab; 127 int count; 128 int abuf_valid; 129 }; 130 131 struct fwohci_softc { 132 struct ieee1394_softc sc_sc1394; 133 struct evcnt sc_intrcnt; 134 135 bus_space_tag_t sc_memt; 136 bus_space_handle_t sc_memh; 137 bus_dma_tag_t sc_dmat; 138 bus_size_t sc_memsize; 139 #if 0 140 141 /* Mandatory structures to get the link enabled 142 */ 143 bus_dmamap_t sc_configrom_map; 144 bus_dmamap_t sc_selfid_map; 145 u_int32_t *sc_selfid_buf; 146 u_int32_t *sc_configrom; 147 #endif 148 149 bus_dma_segment_t sc_dseg; 150 int sc_dnseg; 151 bus_dmamap_t sc_ddmamap; 152 struct fwohci_desc *sc_desc; 153 u_int8_t *sc_descmap; 154 int sc_descsize; 155 int sc_isoctx; 156 157 void *sc_shutdownhook; 158 void *sc_powerhook; 159 struct callout sc_selfid_callout; 160 int sc_selfid_fail; 161 162 struct fwohci_ctx *sc_ctx_arrq; 163 struct fwohci_ctx *sc_ctx_arrs; 164 struct fwohci_ctx *sc_ctx_atrq; 165 struct fwohci_ctx *sc_ctx_atrs; 166 struct fwohci_ctx **sc_ctx_ir; 167 struct fwohci_buf sc_buf_cnfrom; 168 struct fwohci_buf sc_buf_selfid; 169 170 struct proc *sc_event_thread; 171 172 int sc_dying; 173 u_int32_t sc_intmask; 174 u_int32_t sc_iso; 175 176 u_int8_t sc_csr[CSR_SB_END]; 177 178 struct fwohci_uidtbl *sc_uidtbl; 179 u_int16_t sc_nodeid; /* Full Node ID of this node */ 180 u_int8_t sc_rootid; /* Phy ID of Root */ 181 u_int8_t sc_irmid; /* Phy ID of IRM */ 182 u_int8_t sc_tlabel; /* Transaction Label */ 183 184 LIST_HEAD(, ieee1394_softc) sc_nodelist; 185 }; 186 187 int fwohci_init (struct fwohci_softc *, const struct evcnt *); 188 int fwohci_intr (void *); 189 int fwohci_print (void *, const char *); 190 191 /* Macros to read and write the OHCI registers 192 */ 193 #define OHCI_CSR_WRITE(sc, reg, val) \ 194 bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, htole32(val)) 195 #define OHCI_CSR_READ(sc, reg) \ 196 le32toh(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg)) 197 198 /* Locators. */ 199 200 #include "locators.h" 201 202 #define fwbuscf_idhi cf_loc[FWBUSCF_IDHI] 203 #define FWBUS_UNK_IDHI FWBUSCF_IDHI_DEFAULT 204 205 #define fwbuscf_idlo cf_loc[FWBUSCF_IDLO] 206 #define FWBUS_UNK_IDLO FWBUSCF_IDLO_DEFAULT 207 208 #endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */ 209
Indexes created Tue Sep 30 17:09:57 GMT 2025