fwohcivar.h revision 1.8 1 /* $NetBSD: fwohcivar.h,v 1.8 2001/03/15 23:03:43 enami 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 (OHCI_BUF_ARRQ_CNT + OHCI_BUF_ARRS_CNT + OHCI_BUF_ATRQ_CNT + OHCI_BUF_ATRS_CNT + OHCI_BUF_IR_CNT + 1 + 1)
55
56 #define OHCI_LOOP 1000
57 #define OHCI_SELFID_TIMEOUT (hz * 3)
58
59 struct fwohci_softc;
60
61 struct fwohci_buf {
62 TAILQ_ENTRY(fwohci_buf) fb_list;
63 bus_dma_segment_t fb_seg;
64 int fb_nseg;
65 bus_dmamap_t fb_dmamap;
66 caddr_t fb_buf;
67 struct fwohci_desc *fb_desc;
68 bus_addr_t fb_daddr;
69 int fb_off;
70 struct mbuf *fb_m;
71 void (*fb_callback)(struct device *, struct mbuf *);
72 };
73
74 struct fwohci_pkt {
75 int fp_tcode;
76 int fp_hlen;
77 int fp_dlen;
78 u_int32_t fp_hdr[4];
79 struct uio fp_uio;
80 struct iovec fp_iov[6];
81 u_int32_t *fp_trail;
82 struct mbuf *fp_m;
83 void (*fp_callback)(struct device *, struct mbuf *);
84 };
85
86 struct fwohci_handler {
87 LIST_ENTRY(fwohci_handler) fh_list;
88 u_int32_t fh_tcode; /* ARRQ / ARRS / IR */
89 u_int32_t fh_key1; /* addrhi / srcid / chan */
90 u_int32_t fh_key2; /* addrlo / tlabel / tag */
91 int (*fh_handler)(struct fwohci_softc *, void *,
92 struct fwohci_pkt *);
93 void *fh_handarg;
94 };
95
96 struct fwohci_ctx {
97 int fc_ctx;
98 int fc_isoch;
99 int fc_bufcnt;
100 u_int32_t *fc_branch;
101 TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf;
102 LIST_HEAD(, fwohci_handler) fc_handler;
103 };
104
105 struct fwohci_uidtbl {
106 int fu_valid;
107 u_int8_t fu_uid[8];
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 u_int8_t *sc_descmap;
133 int sc_descsize;
134 int sc_isoctx;
135
136 void *sc_shutdownhook;
137 void *sc_powerhook;
138 struct callout sc_selfid_callout;
139 int sc_selfid_fail;
140
141 struct fwohci_ctx *sc_ctx_arrq;
142 struct fwohci_ctx *sc_ctx_arrs;
143 struct fwohci_ctx *sc_ctx_atrq;
144 struct fwohci_ctx *sc_ctx_atrs;
145 struct fwohci_ctx **sc_ctx_ir;
146 struct fwohci_buf sc_buf_cnfrom;
147 struct fwohci_buf sc_buf_selfid;
148
149 u_int8_t sc_csr[CSR_SB_END];
150
151 struct fwohci_uidtbl *sc_uidtbl;
152 u_int16_t sc_nodeid; /* Full Node ID of this node */
153 u_int8_t sc_rootid; /* Phy ID of Root */
154 u_int8_t sc_irmid; /* Phy ID of IRM */
155 u_int8_t sc_tlabel; /* Transaction Label */
156 };
157
158 int fwohci_init (struct fwohci_softc *, const struct evcnt *);
159 int fwohci_intr (void *);
160 int fwohci_print (void *, const char *);
161
162 /* Macros to read and write the OHCI registers
163 */
164 #define OHCI_CSR_WRITE(sc, reg, val) \
165 bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, htole32(val))
166 #define OHCI_CSR_READ(sc, reg) \
167 le32toh(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg))
168
169 #endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */
170