fwohcivar.h revision 1.3
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 41 #define OHCI_PAGE_SIZE 0x0800 42 #define OHCI_BUF_ARRQ_CNT 16 43 #define OHCI_BUF_ARRS_CNT 8 44 #define OHCI_BUF_ATRQ_CNT (8*8) 45 #define OHCI_BUF_ATRS_CNT (8*8) 46 #define OHCI_BUF_IR_CNT 16 47 #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) 48 49 #define OHCI_LOOP 1000 50 51 struct fwohci_softc; 52 53 struct fwohci_buf { 54 TAILQ_ENTRY(fwohci_buf) fb_list; 55 bus_dma_segment_t fb_seg; 56 int fb_nseg; 57 bus_dmamap_t fb_dmamap; 58 caddr_t fb_buf; 59 struct fwohci_desc *fb_desc; 60 bus_addr_t fb_daddr; 61 int fb_off; 62 struct mbuf *fb_m; 63 void (*fb_callback)(struct device *, struct mbuf *); 64 }; 65 66 struct fwohci_pkt { 67 int fp_tcode; 68 int fp_hlen; 69 int fp_dlen; 70 u_int32_t fp_hdr[4]; 71 int fp_iovcnt; 72 struct iovec fp_iov[8]; 73 u_int32_t *fp_trail; 74 struct mbuf *fp_m; 75 void (*fp_callback)(struct device *, struct mbuf *); 76 }; 77 78 struct fwohci_handler { 79 LIST_ENTRY(fwohci_handler) fh_list; 80 u_int32_t fh_tcode; /* ARRQ / ARRS / IR */ 81 u_int32_t fh_key1; /* addrhi / srcid / chan */ 82 u_int32_t fh_key2; /* addrlo / tlabel / tag */ 83 int (*fh_handler)(struct fwohci_softc *, void *, 84 struct fwohci_pkt *); 85 void *fh_handarg; 86 }; 87 88 struct fwohci_ctx { 89 int fc_ctx; 90 int fc_ppbmode; /* packet per buffer */ 91 int fc_bufcnt; 92 u_int32_t *fc_branch; 93 TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf, fc_busy; 94 LIST_HEAD(, fwohci_handler) fc_handler; 95 }; 96 97 struct fwohci_uidtbl { 98 struct fwohci_uident { 99 u_int8_t fu_uid[4]; 100 u_int8_t fu_valid; 101 } fu_hi, fu_lo; 102 }; 103 104 struct fwohci_softc { 105 struct ieee1394_softc sc_sc1394; 106 struct evcnt sc_intrcnt; 107 108 bus_space_tag_t sc_memt; 109 bus_space_handle_t sc_memh; 110 bus_dma_tag_t sc_dmat; 111 bus_size_t sc_memsize; 112 #if 0 113 114 /* Mandatory structures to get the link enabled 115 */ 116 bus_dmamap_t sc_configrom_map; 117 bus_dmamap_t sc_selfid_map; 118 u_int32_t *sc_selfid_buf; 119 u_int32_t *sc_configrom; 120 #endif 121 122 bus_dma_segment_t sc_dseg; 123 int sc_dnseg; 124 bus_dmamap_t sc_ddmamap; 125 caddr_t sc_desc; 126 int sc_descsize; 127 int sc_descfree; 128 129 int sc_isoctx; 130 int sc_tlabel; 131 132 struct fwohci_ctx *sc_ctx_arrq; 133 struct fwohci_ctx *sc_ctx_arrs; 134 struct fwohci_ctx *sc_ctx_atrq; 135 struct fwohci_ctx *sc_ctx_atrs; 136 struct fwohci_ctx **sc_ctx_ir; 137 struct fwohci_buf sc_buf_cnfrom; 138 struct fwohci_buf sc_buf_selfid; 139 140 u_int8_t sc_csr[CSR_SB_END]; 141 142 struct fwohci_uidtbl *sc_uidtbl; 143 u_int16_t sc_nodeid; 144 u_int8_t sc_irmid; 145 u_int8_t sc_rootid; 146 }; 147 148 int fwohci_init (struct fwohci_softc *, const struct evcnt *); 149 int fwohci_intr (void *); 150 int fwohci_print (void *, const char *); 151 152 /* Macros to read and write the OHCI registers 153 */ 154 #define OHCI_CSR_WRITE(sc, reg, val) bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, val) 155 #define OHCI_CSR_READ(sc, reg) bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg) 156 157 #endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */ 158
Indexes created Tue Sep 30 17:09:57 GMT 2025