fwohcivar.h revision 1.11 1 /* $NetBSD: fwohcivar.h,v 1.11 2001/05/03 04:37:43 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
63 struct fwohci_buf {
64 TAILQ_ENTRY(fwohci_buf) fb_list;
65 bus_dma_segment_t fb_seg;
66 int fb_nseg;
67 bus_dmamap_t fb_dmamap;
68 caddr_t fb_buf;
69 struct fwohci_desc *fb_desc;
70 bus_addr_t fb_daddr;
71 int fb_off;
72 struct mbuf *fb_m;
73 void (*fb_callback)(struct device *, struct mbuf *);
74 };
75
76 struct fwohci_pkt {
77 int fp_tcode;
78 int fp_hlen;
79 int fp_dlen;
80 u_int32_t fp_hdr[4];
81 struct uio fp_uio;
82 struct iovec fp_iov[6];
83 u_int32_t *fp_trail;
84 struct mbuf *fp_m;
85 void (*fp_callback)(struct device *, struct mbuf *);
86 };
87
88 struct fwohci_handler {
89 LIST_ENTRY(fwohci_handler) fh_list;
90 u_int32_t fh_tcode; /* ARRQ / ARRS / IR */
91 u_int32_t fh_key1; /* addrhi / srcid / chan */
92 u_int32_t fh_key2; /* addrlo / tlabel / tag */
93 int (*fh_handler)(struct fwohci_softc *, void *,
94 struct fwohci_pkt *);
95 void *fh_handarg;
96 };
97
98 struct fwohci_ctx {
99 int fc_ctx;
100 int fc_isoch;
101 int fc_bufcnt;
102 u_int32_t *fc_branch;
103 TAILQ_HEAD(fwohci_buf_s, fwohci_buf) fc_buf;
104 LIST_HEAD(, fwohci_handler) fc_handler;
105 };
106
107 struct fwohci_uidtbl {
108 int fu_valid;
109 u_int8_t fu_uid[8];
110 };
111
112 struct fwohci_softc {
113 struct ieee1394_softc sc_sc1394;
114 struct evcnt sc_intrcnt;
115
116 bus_space_tag_t sc_memt;
117 bus_space_handle_t sc_memh;
118 bus_dma_tag_t sc_dmat;
119 bus_size_t sc_memsize;
120 #if 0
121
122 /* Mandatory structures to get the link enabled
123 */
124 bus_dmamap_t sc_configrom_map;
125 bus_dmamap_t sc_selfid_map;
126 u_int32_t *sc_selfid_buf;
127 u_int32_t *sc_configrom;
128 #endif
129
130 bus_dma_segment_t sc_dseg;
131 int sc_dnseg;
132 bus_dmamap_t sc_ddmamap;
133 struct fwohci_desc *sc_desc;
134 u_int8_t *sc_descmap;
135 int sc_descsize;
136 int sc_isoctx;
137
138 void *sc_shutdownhook;
139 void *sc_powerhook;
140 struct callout sc_selfid_callout;
141 int sc_selfid_fail;
142
143 struct fwohci_ctx *sc_ctx_arrq;
144 struct fwohci_ctx *sc_ctx_arrs;
145 struct fwohci_ctx *sc_ctx_atrq;
146 struct fwohci_ctx *sc_ctx_atrs;
147 struct fwohci_ctx **sc_ctx_ir;
148 struct fwohci_buf sc_buf_cnfrom;
149 struct fwohci_buf sc_buf_selfid;
150
151 struct proc *sc_event_thread;
152
153 int sc_dying;
154 u_int32_t sc_intmask;
155 u_int32_t sc_iso;
156
157 u_int8_t sc_csr[CSR_SB_END];
158
159 struct fwohci_uidtbl *sc_uidtbl;
160 u_int16_t sc_nodeid; /* Full Node ID of this node */
161 u_int8_t sc_rootid; /* Phy ID of Root */
162 u_int8_t sc_irmid; /* Phy ID of IRM */
163 u_int8_t sc_tlabel; /* Transaction Label */
164
165 LIST_HEAD(, ieee1394_softc) sc_nodelist;
166 };
167
168 int fwohci_init (struct fwohci_softc *, const struct evcnt *);
169 int fwohci_intr (void *);
170 int fwohci_print (void *, const char *);
171
172 /* Macros to read and write the OHCI registers
173 */
174 #define OHCI_CSR_WRITE(sc, reg, val) \
175 bus_space_write_4((sc)->sc_memt, (sc)->sc_memh, reg, htole32(val))
176 #define OHCI_CSR_READ(sc, reg) \
177 le32toh(bus_space_read_4((sc)->sc_memt, (sc)->sc_memh, reg))
178
179 #endif /* _DEV_IEEE1394_FWOHCIVAR_H_ */
180