fwohcivar.h revision 1.4
1 /*- 2 * Copyright (c) 2000 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Matt Thomas of the 3am Software Foundry. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the NetBSD 19 * Foundation, Inc. and its contributors. 20 * 4. Neither the name of The NetBSD Foundation nor the names of its 21 * contributors may be used to endorse or promote products derived 22 * from this software without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 */ 36 37 #ifndef _DEV_IEEE1394_FWOHCIVAR_H_ 38 #define _DEV_IEEE1394_FWOHCIVAR_H_ 39 40 #include <sys/mbuf.h> 41 #include <sys/callout.h> 42 #include <sys/queue.h> 43 44 #include <machine/bus.h> 45 46 #define OHCI_PAGE_SIZE 0x0800 47 #define OHCI_BUF_ARRQ_CNT 16 48 #define OHCI_BUF_ARRS_CNT 8 49 #define OHCI_BUF_ATRQ_CNT (8*8) 50 #define OHCI_BUF_ATRS_CNT (8*8) 51 #define OHCI_BUF_IR_CNT 16 52 #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) 53 54 #define OHCI_LOOP 1000 55 #define OHCI_SELFID_TIMEOUT (hz * 3) 56 57 struct fwohci_softc; 58 59 struct fwohci_buf { 60 TAILQ_ENTRY(fwohci_buf) fb_list; 61 bus_dma_segment_t fb_seg; 62 int fb_nseg; 63 bus_dmamap_t fb_dmamap; 64 caddr_t fb_buf; 65 struct fwohci_desc *fb_desc; 66 bus_addr_t fb_daddr; 67 int fb_off; 68 struct mbuf *fb_m; 69 void (*fb_callback)(struct device *, struct mbuf *); 70 }; 71 72 struct fwohci_pkt { 73 int fp_tcode; 74 int fp_hlen; 75 int fp_dlen; 76 u_int32_t fp_hdr[4]; 77 int fp_iovcnt; 78 struct iovec fp_iov[8]; 79 u_int32_t *fp_trail; 80 struct mbuf *fp_m; 81 void (*fp_callback)(struct device *, struct mbuf *); 82 }; 83 84 struct fwohci_handler { 85 LIST_ENTRY(fwohci_handler) fh_list; 86 u_int32_t fh_tcode; /* ARRQ / ARRS / IR */ 87 u_int32_t fh_key1; /* addrhi / srcid / chan */ 88 u_int32_t fh_key2; /* addrlo / tlabel / tag */ 89 int (*fh_handler)(struct fwohci_softc *, void *, 90 struct fwohci_pkt *); 91 void *fh_handarg; 92 }; 93 94 struct fwohci_ctx { 95 int fc_ctx; 96 int fc_ppbmode; /* packet per buffer */ 97 int fc_bufcnt; 98 u_int32_t *fc_branch; 99 TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf, fc_busy; 100 LIST_HEAD(, fwohci_handler) fc_handler; 101 }; 102 103 struct fwohci_uidtbl { 104 struct fwohci_uident { 105 u_int8_t fu_uid[4]; 106 u_int8_t fu_valid; 107 } fu_hi, fu_lo; 108 }; 109 110 struct fwohci_softc { 111 struct ieee1394_softc sc_sc1394; 112 struct evcnt sc_intrcnt; 113 114 bus_space_tag_t sc_memt; 115 bus_space_handle_t sc_memh; 116 bus_dma_tag_t sc_dmat; 117 bus_size_t sc_memsize; 118 #if 0 119 120 /* Mandatory structures to get the link enabled 121 */ 122 bus_dmamap_t sc_configrom_map; 123 bus_dmamap_t sc_selfid_map; 124 u_int32_t *sc_selfid_buf; 125 u_int32_t *sc_configrom; 126 #endif 127 128 bus_dma_segment_t sc_dseg; 129 int sc_dnseg; 130 bus_dmamap_t sc_ddmamap; 131 struct fwohci_desc *sc_desc; 132 struct fwohci_desc *sc_descfree; 133 int sc_descsize; 134 int sc_isoctx; 135 136 void *sc_shutdownhook; 137 void *sc_powerhook; 138 struct callout sc_selfid_callout; 139 140 struct fwohci_ctx *sc_ctx_arrq; 141 struct fwohci_ctx *sc_ctx_arrs; 142 struct fwohci_ctx *sc_ctx_atrq; 143 struct fwohci_ctx *sc_ctx_atrs; 144 struct fwohci_ctx **sc_ctx_ir; 145 struct fwohci_buf sc_buf_cnfrom; 146 struct fwohci_buf sc_buf_selfid; 147 148 u_int8_t sc_csr[CSR_SB_END]; 149 150 struct fwohci_uidtbl *sc_uidtbl; 151 u_int16_t sc_nodeid; /* Full Node ID of this node */ 152 u_int8_t sc_rootid; /* Phy ID of Root */ 153 u_int8_t sc_irmid; /* Phy ID of IRM */ 154 u_int8_t sc_tlabel; /* Transaction Label */ 155 }; 156 157 int fwohci_init (struct fwohci_softc *, const struct evcnt *); 158 int fwohci_intr (void *); 159 int fwohci_print (void *, const char *); 160 161 /* Macros to read and write the OHCI registers 162 */ 163 #define OHCI_CSR_WRITE(sc, reg, val) bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, val) 164 #define OHCI_CSR_READ(sc, reg) bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg) 165 166 #endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */ 167
Indexes created Tue Sep 30 20:09:53 GMT 2025