fwohci.c revision 1.95 1 1.95 kiyohara /* $NetBSD: fwohci.c,v 1.95 2006/04/30 13:54:18 kiyohara Exp $ */
2 1.91 christos
3 1.1 matt /*-
4 1.89 kiyohara * Copyright (c) 2003 Hidetoshi Shimokawa
5 1.89 kiyohara * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
6 1.1 matt * All rights reserved.
7 1.1 matt *
8 1.1 matt * Redistribution and use in source and binary forms, with or without
9 1.1 matt * modification, are permitted provided that the following conditions
10 1.1 matt * are met:
11 1.1 matt * 1. Redistributions of source code must retain the above copyright
12 1.1 matt * notice, this list of conditions and the following disclaimer.
13 1.1 matt * 2. Redistributions in binary form must reproduce the above copyright
14 1.1 matt * notice, this list of conditions and the following disclaimer in the
15 1.1 matt * documentation and/or other materials provided with the distribution.
16 1.1 matt * 3. All advertising materials mentioning features or use of this software
17 1.89 kiyohara * must display the acknowledgement as bellow:
18 1.89 kiyohara *
19 1.89 kiyohara * This product includes software developed by K. Kobayashi and H. Shimokawa
20 1.89 kiyohara *
21 1.89 kiyohara * 4. The name of the author may not be used to endorse or promote products
22 1.89 kiyohara * derived from this software without specific prior written permission.
23 1.1 matt *
24 1.89 kiyohara * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 1.89 kiyohara * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
26 1.89 kiyohara * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 1.89 kiyohara * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
28 1.89 kiyohara * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29 1.89 kiyohara * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 1.89 kiyohara * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 1.89 kiyohara * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
32 1.89 kiyohara * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
33 1.89 kiyohara * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 1.1 matt * POSSIBILITY OF SUCH DAMAGE.
35 1.89 kiyohara *
36 1.89 kiyohara * $FreeBSD: /repoman/r/ncvs/src/sys/dev/firewire/fwohci.c,v 1.81 2005/03/29 01:44:59 sam Exp $
37 1.89 kiyohara *
38 1.1 matt */
39 1.1 matt
40 1.89 kiyohara #define ATRQ_CH 0
41 1.89 kiyohara #define ATRS_CH 1
42 1.89 kiyohara #define ARRQ_CH 2
43 1.89 kiyohara #define ARRS_CH 3
44 1.89 kiyohara #define ITX_CH 4
45 1.89 kiyohara #define IRX_CH 0x24
46 1.3 onoe
47 1.89 kiyohara #if defined(__FreeBSD__)
48 1.89 kiyohara #include <sys/param.h>
49 1.89 kiyohara #include <sys/systm.h>
50 1.89 kiyohara #include <sys/mbuf.h>
51 1.89 kiyohara #include <sys/malloc.h>
52 1.89 kiyohara #include <sys/sockio.h>
53 1.89 kiyohara #include <sys/sysctl.h>
54 1.89 kiyohara #include <sys/bus.h>
55 1.89 kiyohara #include <sys/kernel.h>
56 1.89 kiyohara #include <sys/conf.h>
57 1.89 kiyohara #include <sys/endian.h>
58 1.89 kiyohara #include <sys/ktr.h>
59 1.45 lukem
60 1.91 christos #include <sys/cdefs.h>
61 1.95 kiyohara __KERNEL_RCSID(0, "$NetBSD: fwohci.c,v 1.95 2006/04/30 13:54:18 kiyohara Exp $");
62 1.45 lukem
63 1.89 kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500000
64 1.89 kiyohara #include <machine/clock.h> /* for DELAY() */
65 1.89 kiyohara #endif
66 1.3 onoe
67 1.89 kiyohara #ifdef __DragonFly__
68 1.89 kiyohara #include "fw_port.h"
69 1.89 kiyohara #include "firewire.h"
70 1.89 kiyohara #include "firewirereg.h"
71 1.89 kiyohara #include "fwdma.h"
72 1.89 kiyohara #include "fwohcireg.h"
73 1.89 kiyohara #include "fwohcivar.h"
74 1.89 kiyohara #include "firewire_phy.h"
75 1.89 kiyohara #else
76 1.89 kiyohara #include <dev/firewire/fw_port.h>
77 1.89 kiyohara #include <dev/firewire/firewire.h>
78 1.89 kiyohara #include <dev/firewire/firewirereg.h>
79 1.89 kiyohara #include <dev/firewire/fwdma.h>
80 1.89 kiyohara #include <dev/firewire/fwohcireg.h>
81 1.89 kiyohara #include <dev/firewire/fwohcivar.h>
82 1.89 kiyohara #include <dev/firewire/firewire_phy.h>
83 1.89 kiyohara #endif
84 1.89 kiyohara #elif defined(__NetBSD__)
85 1.1 matt #include <sys/param.h>
86 1.1 matt #include <sys/device.h>
87 1.89 kiyohara #include <sys/errno.h>
88 1.89 kiyohara #include <sys/conf.h>
89 1.7 onoe #include <sys/kernel.h>
90 1.3 onoe #include <sys/malloc.h>
91 1.3 onoe #include <sys/mbuf.h>
92 1.89 kiyohara #include <sys/proc.h>
93 1.89 kiyohara #include <sys/reboot.h>
94 1.89 kiyohara #include <sys/sysctl.h>
95 1.89 kiyohara #include <sys/systm.h>
96 1.7 onoe
97 1.1 matt #include <machine/bus.h>
98 1.1 matt
99 1.89 kiyohara #include <dev/ieee1394/fw_port.h>
100 1.89 kiyohara #include <dev/ieee1394/firewire.h>
101 1.89 kiyohara #include <dev/ieee1394/firewirereg.h>
102 1.89 kiyohara #include <dev/ieee1394/fwdma.h>
103 1.1 matt #include <dev/ieee1394/fwohcireg.h>
104 1.1 matt #include <dev/ieee1394/fwohcivar.h>
105 1.89 kiyohara #include <dev/ieee1394/firewire_phy.h>
106 1.5 matt #endif
107 1.24 jmc
108 1.89 kiyohara #undef OHCI_DEBUG
109 1.5 matt
110 1.89 kiyohara static int nocyclemaster = 0;
111 1.89 kiyohara #if defined(__FreeBSD__)
112 1.89 kiyohara SYSCTL_DECL(_hw_firewire);
113 1.89 kiyohara SYSCTL_INT(_hw_firewire, OID_AUTO, nocyclemaster, CTLFLAG_RW, &nocyclemaster, 0,
114 1.89 kiyohara "Do not send cycle start packets");
115 1.89 kiyohara #elif defined(__NetBSD__)
116 1.89 kiyohara /*
117 1.89 kiyohara * Setup sysctl(3) MIB, hw.fwohci.*
118 1.89 kiyohara *
119 1.89 kiyohara * TBD condition CTLFLAG_PERMANENT on being an LKM or not
120 1.89 kiyohara */
121 1.89 kiyohara SYSCTL_SETUP(sysctl_fwohci, "sysctl fwohci(4) subtree setup")
122 1.89 kiyohara {
123 1.89 kiyohara int rc;
124 1.89 kiyohara const struct sysctlnode *node;
125 1.89 kiyohara
126 1.89 kiyohara if ((rc = sysctl_createv(clog, 0, NULL, NULL,
127 1.89 kiyohara CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL,
128 1.89 kiyohara NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) {
129 1.89 kiyohara goto err;
130 1.89 kiyohara }
131 1.89 kiyohara
132 1.89 kiyohara if ((rc = sysctl_createv(clog, 0, NULL, &node,
133 1.89 kiyohara CTLFLAG_PERMANENT, CTLTYPE_NODE, "fwohci",
134 1.89 kiyohara SYSCTL_DESCR("fwohci controls"),
135 1.89 kiyohara NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) {
136 1.89 kiyohara goto err;
137 1.89 kiyohara }
138 1.89 kiyohara
139 1.89 kiyohara /* fwohci no cyclemaster flag */
140 1.89 kiyohara if ((rc = sysctl_createv(clog, 0, NULL, &node,
141 1.89 kiyohara CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT,
142 1.89 kiyohara "nocyclemaster", SYSCTL_DESCR("Do not send cycle start packets"),
143 1.89 kiyohara NULL, 0, &nocyclemaster,
144 1.89 kiyohara 0, CTL_HW, node->sysctl_num, CTL_CREATE, CTL_EOL)) != 0) {
145 1.89 kiyohara goto err;
146 1.89 kiyohara }
147 1.89 kiyohara return;
148 1.89 kiyohara
149 1.89 kiyohara err:
150 1.89 kiyohara printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc);
151 1.89 kiyohara }
152 1.89 kiyohara #endif
153 1.89 kiyohara
154 1.90 drochner static const char * const dbcode[16] = {"OUTM", "OUTL","INPM","INPL",
155 1.90 drochner "STOR","LOAD","NOP ","STOP",
156 1.90 drochner "", "", "", "", "", "", "", ""};
157 1.89 kiyohara
158 1.90 drochner static const char * const dbkey[8] = {"ST0", "ST1","ST2","ST3",
159 1.89 kiyohara "UNDEF","REG","SYS","DEV"};
160 1.90 drochner static const char * const dbcond[4] = {"NEV","C=1", "C=0", "ALL"};
161 1.90 drochner static const char * const fwohcicode[32] = {
162 1.89 kiyohara "No stat","Undef","long","miss Ack err",
163 1.89 kiyohara "underrun","overrun","desc err", "data read err",
164 1.89 kiyohara "data write err","bus reset","timeout","tcode err",
165 1.89 kiyohara "Undef","Undef","unknown event","flushed",
166 1.89 kiyohara "Undef","ack complete","ack pend","Undef",
167 1.89 kiyohara "ack busy_X","ack busy_A","ack busy_B","Undef",
168 1.89 kiyohara "Undef","Undef","Undef","ack tardy",
169 1.89 kiyohara "Undef","ack data_err","ack type_err",""};
170 1.89 kiyohara
171 1.89 kiyohara #define MAX_SPEED 3
172 1.90 drochner extern const char *fw_linkspeed[];
173 1.90 drochner static uint32_t const tagbit[4] = { 1 << 28, 1 << 29, 1 << 30, 1 << 31};
174 1.89 kiyohara
175 1.90 drochner static const struct tcode_info tinfo[] = {
176 1.89 kiyohara /* hdr_len block flag*/
177 1.89 kiyohara /* 0 WREQQ */ {16, FWTI_REQ | FWTI_TLABEL},
178 1.89 kiyohara /* 1 WREQB */ {16, FWTI_REQ | FWTI_TLABEL | FWTI_BLOCK_ASY},
179 1.89 kiyohara /* 2 WRES */ {12, FWTI_RES},
180 1.89 kiyohara /* 3 XXX */ { 0, 0},
181 1.89 kiyohara /* 4 RREQQ */ {12, FWTI_REQ | FWTI_TLABEL},
182 1.89 kiyohara /* 5 RREQB */ {16, FWTI_REQ | FWTI_TLABEL},
183 1.89 kiyohara /* 6 RRESQ */ {16, FWTI_RES},
184 1.89 kiyohara /* 7 RRESB */ {16, FWTI_RES | FWTI_BLOCK_ASY},
185 1.89 kiyohara /* 8 CYCS */ { 0, 0},
186 1.89 kiyohara /* 9 LREQ */ {16, FWTI_REQ | FWTI_TLABEL | FWTI_BLOCK_ASY},
187 1.89 kiyohara /* a STREAM */ { 4, FWTI_REQ | FWTI_BLOCK_STR},
188 1.89 kiyohara /* b LRES */ {16, FWTI_RES | FWTI_BLOCK_ASY},
189 1.89 kiyohara /* c XXX */ { 0, 0},
190 1.89 kiyohara /* d XXX */ { 0, 0},
191 1.89 kiyohara /* e PHY */ {12, FWTI_REQ},
192 1.89 kiyohara /* f XXX */ { 0, 0}
193 1.89 kiyohara };
194 1.8 onoe
195 1.89 kiyohara #define OHCI_WRITE_SIGMASK 0xffff0000
196 1.89 kiyohara #define OHCI_READ_SIGMASK 0xffff0000
197 1.62 haya
198 1.89 kiyohara #define OWRITE(sc, r, x) bus_space_write_4((sc)->bst, (sc)->bsh, (r), (x))
199 1.89 kiyohara #define OREAD(sc, r) bus_space_read_4((sc)->bst, (sc)->bsh, (r))
200 1.62 haya
201 1.89 kiyohara static void fwohci_ibr (struct firewire_comm *);
202 1.89 kiyohara static void fwohci_db_init (struct fwohci_softc *, struct fwohci_dbch *);
203 1.89 kiyohara static void fwohci_db_free (struct fwohci_dbch *);
204 1.89 kiyohara static void fwohci_arcv (struct fwohci_softc *, struct fwohci_dbch *, int);
205 1.89 kiyohara static void fwohci_txd (struct fwohci_softc *, struct fwohci_dbch *);
206 1.89 kiyohara static void fwohci_start_atq (struct firewire_comm *);
207 1.89 kiyohara static void fwohci_start_ats (struct firewire_comm *);
208 1.89 kiyohara static void fwohci_start (struct fwohci_softc *, struct fwohci_dbch *);
209 1.89 kiyohara static uint32_t fwphy_wrdata ( struct fwohci_softc *, uint32_t, uint32_t);
210 1.89 kiyohara static uint32_t fwphy_rddata ( struct fwohci_softc *, uint32_t);
211 1.89 kiyohara static int fwohci_rx_enable (struct fwohci_softc *, struct fwohci_dbch *);
212 1.89 kiyohara static int fwohci_tx_enable (struct fwohci_softc *, struct fwohci_dbch *);
213 1.89 kiyohara static int fwohci_irx_enable (struct firewire_comm *, int);
214 1.89 kiyohara static int fwohci_irx_disable (struct firewire_comm *, int);
215 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
216 1.89 kiyohara static void fwohci_irx_post (struct firewire_comm *, uint32_t *);
217 1.89 kiyohara #endif
218 1.89 kiyohara static int fwohci_itxbuf_enable (struct firewire_comm *, int);
219 1.89 kiyohara static int fwohci_itx_disable (struct firewire_comm *, int);
220 1.89 kiyohara static void fwohci_timeout (void *);
221 1.89 kiyohara static void fwohci_set_intr (struct firewire_comm *, int);
222 1.89 kiyohara
223 1.89 kiyohara static int fwohci_add_rx_buf (struct fwohci_dbch *, struct fwohcidb_tr *, int, struct fwdma_alloc *);
224 1.89 kiyohara static int fwohci_add_tx_buf (struct fwohci_dbch *, struct fwohcidb_tr *, int);
225 1.89 kiyohara static void dump_db (struct fwohci_softc *, uint32_t);
226 1.89 kiyohara static void print_db (struct fwohcidb_tr *, struct fwohcidb *, uint32_t , uint32_t);
227 1.89 kiyohara static void dump_dma (struct fwohci_softc *, uint32_t);
228 1.89 kiyohara static uint32_t fwohci_cyctimer (struct firewire_comm *);
229 1.89 kiyohara static void fwohci_rbuf_update (struct fwohci_softc *, int);
230 1.89 kiyohara static void fwohci_tbuf_update (struct fwohci_softc *, int);
231 1.89 kiyohara void fwohci_txbufdb (struct fwohci_softc *, int , struct fw_bulkxfer *);
232 1.89 kiyohara #if FWOHCI_TASKQUEUE
233 1.89 kiyohara static void fwohci_complete(void *, int);
234 1.89 kiyohara #endif
235 1.89 kiyohara #if defined(__NetBSD__)
236 1.89 kiyohara static void fwohci_power(int, void *);
237 1.89 kiyohara int fwohci_print(void *, const char *);
238 1.5 matt #endif
239 1.5 matt
240 1.89 kiyohara /*
241 1.89 kiyohara * memory allocated for DMA programs
242 1.89 kiyohara */
243 1.89 kiyohara #define DMA_PROG_ALLOC (8 * PAGE_SIZE)
244 1.1 matt
245 1.89 kiyohara #define NDB FWMAXQUEUE
246 1.89 kiyohara
247 1.89 kiyohara #define OHCI_VERSION 0x00
248 1.89 kiyohara #define OHCI_ATRETRY 0x08
249 1.89 kiyohara #define OHCI_CROMHDR 0x18
250 1.89 kiyohara #define OHCI_BUS_OPT 0x20
251 1.89 kiyohara #define OHCI_BUSIRMC (1 << 31)
252 1.89 kiyohara #define OHCI_BUSCMC (1 << 30)
253 1.89 kiyohara #define OHCI_BUSISC (1 << 29)
254 1.89 kiyohara #define OHCI_BUSBMC (1 << 28)
255 1.89 kiyohara #define OHCI_BUSPMC (1 << 27)
256 1.89 kiyohara #define OHCI_BUSFNC OHCI_BUSIRMC | OHCI_BUSCMC | OHCI_BUSISC |\
257 1.89 kiyohara OHCI_BUSBMC | OHCI_BUSPMC
258 1.89 kiyohara
259 1.89 kiyohara #define OHCI_EUID_HI 0x24
260 1.89 kiyohara #define OHCI_EUID_LO 0x28
261 1.89 kiyohara
262 1.89 kiyohara #define OHCI_CROMPTR 0x34
263 1.89 kiyohara #define OHCI_HCCCTL 0x50
264 1.89 kiyohara #define OHCI_HCCCTLCLR 0x54
265 1.89 kiyohara #define OHCI_AREQHI 0x100
266 1.89 kiyohara #define OHCI_AREQHICLR 0x104
267 1.89 kiyohara #define OHCI_AREQLO 0x108
268 1.89 kiyohara #define OHCI_AREQLOCLR 0x10c
269 1.89 kiyohara #define OHCI_PREQHI 0x110
270 1.89 kiyohara #define OHCI_PREQHICLR 0x114
271 1.89 kiyohara #define OHCI_PREQLO 0x118
272 1.89 kiyohara #define OHCI_PREQLOCLR 0x11c
273 1.89 kiyohara #define OHCI_PREQUPPER 0x120
274 1.89 kiyohara
275 1.89 kiyohara #define OHCI_SID_BUF 0x64
276 1.89 kiyohara #define OHCI_SID_CNT 0x68
277 1.89 kiyohara #define OHCI_SID_ERR (1 << 31)
278 1.89 kiyohara #define OHCI_SID_CNT_MASK 0xffc
279 1.89 kiyohara
280 1.89 kiyohara #define OHCI_IT_STAT 0x90
281 1.89 kiyohara #define OHCI_IT_STATCLR 0x94
282 1.89 kiyohara #define OHCI_IT_MASK 0x98
283 1.89 kiyohara #define OHCI_IT_MASKCLR 0x9c
284 1.89 kiyohara
285 1.89 kiyohara #define OHCI_IR_STAT 0xa0
286 1.89 kiyohara #define OHCI_IR_STATCLR 0xa4
287 1.89 kiyohara #define OHCI_IR_MASK 0xa8
288 1.89 kiyohara #define OHCI_IR_MASKCLR 0xac
289 1.89 kiyohara
290 1.89 kiyohara #define OHCI_LNKCTL 0xe0
291 1.89 kiyohara #define OHCI_LNKCTLCLR 0xe4
292 1.89 kiyohara
293 1.89 kiyohara #define OHCI_PHYACCESS 0xec
294 1.89 kiyohara #define OHCI_CYCLETIMER 0xf0
295 1.89 kiyohara
296 1.89 kiyohara #define OHCI_DMACTL(off) (off)
297 1.89 kiyohara #define OHCI_DMACTLCLR(off) (off + 4)
298 1.89 kiyohara #define OHCI_DMACMD(off) (off + 0xc)
299 1.89 kiyohara #define OHCI_DMAMATCH(off) (off + 0x10)
300 1.89 kiyohara
301 1.89 kiyohara #define OHCI_ATQOFF 0x180
302 1.89 kiyohara #define OHCI_ATQCTL OHCI_ATQOFF
303 1.89 kiyohara #define OHCI_ATQCTLCLR (OHCI_ATQOFF + 4)
304 1.89 kiyohara #define OHCI_ATQCMD (OHCI_ATQOFF + 0xc)
305 1.89 kiyohara #define OHCI_ATQMATCH (OHCI_ATQOFF + 0x10)
306 1.89 kiyohara
307 1.89 kiyohara #define OHCI_ATSOFF 0x1a0
308 1.89 kiyohara #define OHCI_ATSCTL OHCI_ATSOFF
309 1.89 kiyohara #define OHCI_ATSCTLCLR (OHCI_ATSOFF + 4)
310 1.89 kiyohara #define OHCI_ATSCMD (OHCI_ATSOFF + 0xc)
311 1.89 kiyohara #define OHCI_ATSMATCH (OHCI_ATSOFF + 0x10)
312 1.89 kiyohara
313 1.89 kiyohara #define OHCI_ARQOFF 0x1c0
314 1.89 kiyohara #define OHCI_ARQCTL OHCI_ARQOFF
315 1.89 kiyohara #define OHCI_ARQCTLCLR (OHCI_ARQOFF + 4)
316 1.89 kiyohara #define OHCI_ARQCMD (OHCI_ARQOFF + 0xc)
317 1.89 kiyohara #define OHCI_ARQMATCH (OHCI_ARQOFF + 0x10)
318 1.89 kiyohara
319 1.89 kiyohara #define OHCI_ARSOFF 0x1e0
320 1.89 kiyohara #define OHCI_ARSCTL OHCI_ARSOFF
321 1.89 kiyohara #define OHCI_ARSCTLCLR (OHCI_ARSOFF + 4)
322 1.89 kiyohara #define OHCI_ARSCMD (OHCI_ARSOFF + 0xc)
323 1.89 kiyohara #define OHCI_ARSMATCH (OHCI_ARSOFF + 0x10)
324 1.89 kiyohara
325 1.89 kiyohara #define OHCI_ITOFF(CH) (0x200 + 0x10 * (CH))
326 1.89 kiyohara #define OHCI_ITCTL(CH) (OHCI_ITOFF(CH))
327 1.89 kiyohara #define OHCI_ITCTLCLR(CH) (OHCI_ITOFF(CH) + 4)
328 1.89 kiyohara #define OHCI_ITCMD(CH) (OHCI_ITOFF(CH) + 0xc)
329 1.89 kiyohara
330 1.89 kiyohara #define OHCI_IROFF(CH) (0x400 + 0x20 * (CH))
331 1.89 kiyohara #define OHCI_IRCTL(CH) (OHCI_IROFF(CH))
332 1.89 kiyohara #define OHCI_IRCTLCLR(CH) (OHCI_IROFF(CH) + 4)
333 1.89 kiyohara #define OHCI_IRCMD(CH) (OHCI_IROFF(CH) + 0xc)
334 1.89 kiyohara #define OHCI_IRMATCH(CH) (OHCI_IROFF(CH) + 0x10)
335 1.89 kiyohara
336 1.89 kiyohara #if defined(__FreeBSD__)
337 1.89 kiyohara d_ioctl_t fwohci_ioctl;
338 1.89 kiyohara #elif defined(__NetBSD__)
339 1.89 kiyohara extern struct cfdriver fwohci_cd;
340 1.89 kiyohara dev_type_ioctl(fwohci_ioctl);
341 1.89 kiyohara #endif
342 1.89 kiyohara
343 1.89 kiyohara /*
344 1.89 kiyohara * Communication with PHY device
345 1.89 kiyohara */
346 1.89 kiyohara static uint32_t
347 1.89 kiyohara fwphy_wrdata( struct fwohci_softc *sc, uint32_t addr, uint32_t data)
348 1.89 kiyohara {
349 1.89 kiyohara uint32_t fun;
350 1.89 kiyohara
351 1.89 kiyohara addr &= 0xf;
352 1.89 kiyohara data &= 0xff;
353 1.89 kiyohara
354 1.89 kiyohara fun = (PHYDEV_WRCMD | (addr << PHYDEV_REGADDR) | (data << PHYDEV_WRDATA));
355 1.89 kiyohara OWRITE(sc, OHCI_PHYACCESS, fun);
356 1.89 kiyohara DELAY(100);
357 1.89 kiyohara
358 1.89 kiyohara return(fwphy_rddata( sc, addr));
359 1.89 kiyohara }
360 1.89 kiyohara
361 1.89 kiyohara static uint32_t
362 1.89 kiyohara fwohci_set_bus_manager(struct firewire_comm *fc, u_int node)
363 1.89 kiyohara {
364 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
365 1.89 kiyohara int i;
366 1.89 kiyohara uint32_t bm;
367 1.89 kiyohara
368 1.89 kiyohara #define OHCI_CSR_DATA 0x0c
369 1.89 kiyohara #define OHCI_CSR_COMP 0x10
370 1.89 kiyohara #define OHCI_CSR_CONT 0x14
371 1.89 kiyohara #define OHCI_BUS_MANAGER_ID 0
372 1.89 kiyohara
373 1.89 kiyohara OWRITE(sc, OHCI_CSR_DATA, node);
374 1.89 kiyohara OWRITE(sc, OHCI_CSR_COMP, 0x3f);
375 1.89 kiyohara OWRITE(sc, OHCI_CSR_CONT, OHCI_BUS_MANAGER_ID);
376 1.89 kiyohara for (i = 0; !(OREAD(sc, OHCI_CSR_CONT) & (1<<31)) && (i < 1000); i++)
377 1.89 kiyohara DELAY(10);
378 1.89 kiyohara bm = OREAD(sc, OHCI_CSR_DATA);
379 1.89 kiyohara if((bm & 0x3f) == 0x3f)
380 1.89 kiyohara bm = node;
381 1.89 kiyohara if (firewire_debug)
382 1.89 kiyohara device_printf(sc->fc.dev,
383 1.89 kiyohara "fw_set_bus_manager: %d->%d (loop=%d)\n", bm, node, i);
384 1.89 kiyohara
385 1.89 kiyohara return(bm);
386 1.89 kiyohara }
387 1.89 kiyohara
388 1.89 kiyohara static uint32_t
389 1.89 kiyohara fwphy_rddata(struct fwohci_softc *sc, u_int addr)
390 1.89 kiyohara {
391 1.89 kiyohara uint32_t fun, stat;
392 1.89 kiyohara u_int i, retry = 0;
393 1.89 kiyohara
394 1.89 kiyohara addr &= 0xf;
395 1.89 kiyohara #define MAX_RETRY 100
396 1.89 kiyohara again:
397 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_REG_FAIL);
398 1.89 kiyohara fun = PHYDEV_RDCMD | (addr << PHYDEV_REGADDR);
399 1.89 kiyohara OWRITE(sc, OHCI_PHYACCESS, fun);
400 1.89 kiyohara for ( i = 0 ; i < MAX_RETRY ; i ++ ){
401 1.89 kiyohara fun = OREAD(sc, OHCI_PHYACCESS);
402 1.89 kiyohara if ((fun & PHYDEV_RDCMD) == 0 && (fun & PHYDEV_RDDONE) != 0)
403 1.3 onoe break;
404 1.89 kiyohara DELAY(100);
405 1.89 kiyohara }
406 1.89 kiyohara if(i >= MAX_RETRY) {
407 1.89 kiyohara if (firewire_debug)
408 1.89 kiyohara device_printf(sc->fc.dev, "phy read failed(1).\n");
409 1.89 kiyohara if (++retry < MAX_RETRY) {
410 1.89 kiyohara DELAY(100);
411 1.89 kiyohara goto again;
412 1.89 kiyohara }
413 1.89 kiyohara }
414 1.89 kiyohara /* Make sure that SCLK is started */
415 1.89 kiyohara stat = OREAD(sc, FWOHCI_INTSTAT);
416 1.89 kiyohara if ((stat & OHCI_INT_REG_FAIL) != 0 ||
417 1.89 kiyohara ((fun >> PHYDEV_REGADDR) & 0xf) != addr) {
418 1.89 kiyohara if (firewire_debug)
419 1.89 kiyohara device_printf(sc->fc.dev, "phy read failed(2).\n");
420 1.89 kiyohara if (++retry < MAX_RETRY) {
421 1.89 kiyohara DELAY(100);
422 1.89 kiyohara goto again;
423 1.89 kiyohara }
424 1.89 kiyohara }
425 1.89 kiyohara if (firewire_debug || retry >= MAX_RETRY)
426 1.89 kiyohara device_printf(sc->fc.dev,
427 1.89 kiyohara "fwphy_rddata: 0x%x loop=%d, retry=%d\n", addr, i, retry);
428 1.89 kiyohara #undef MAX_RETRY
429 1.89 kiyohara return((fun >> PHYDEV_RDDATA )& 0xff);
430 1.89 kiyohara }
431 1.89 kiyohara /* Device specific ioctl. */
432 1.89 kiyohara FW_IOCTL(fwohci)
433 1.89 kiyohara {
434 1.89 kiyohara FW_IOCTL_START;
435 1.89 kiyohara struct fwohci_softc *fc;
436 1.89 kiyohara int err = 0;
437 1.89 kiyohara struct fw_reg_req_t *reg = (struct fw_reg_req_t *) data;
438 1.89 kiyohara uint32_t *dmach = (uint32_t *) data;
439 1.89 kiyohara
440 1.89 kiyohara if(sc == NULL){
441 1.89 kiyohara return(EINVAL);
442 1.89 kiyohara }
443 1.89 kiyohara fc = (struct fwohci_softc *)sc->fc;
444 1.89 kiyohara
445 1.89 kiyohara if (!data)
446 1.89 kiyohara return(EINVAL);
447 1.89 kiyohara
448 1.89 kiyohara switch (cmd) {
449 1.89 kiyohara case FWOHCI_WRREG:
450 1.89 kiyohara #define OHCI_MAX_REG 0x800
451 1.89 kiyohara if(reg->addr <= OHCI_MAX_REG){
452 1.89 kiyohara OWRITE(fc, reg->addr, reg->data);
453 1.89 kiyohara reg->data = OREAD(fc, reg->addr);
454 1.89 kiyohara }else{
455 1.89 kiyohara err = EINVAL;
456 1.89 kiyohara }
457 1.89 kiyohara break;
458 1.89 kiyohara case FWOHCI_RDREG:
459 1.89 kiyohara if(reg->addr <= OHCI_MAX_REG){
460 1.89 kiyohara reg->data = OREAD(fc, reg->addr);
461 1.89 kiyohara }else{
462 1.89 kiyohara err = EINVAL;
463 1.89 kiyohara }
464 1.89 kiyohara break;
465 1.89 kiyohara /* Read DMA descriptors for debug */
466 1.89 kiyohara case DUMPDMA:
467 1.89 kiyohara if(*dmach <= OHCI_MAX_DMA_CH ){
468 1.89 kiyohara dump_dma(fc, *dmach);
469 1.89 kiyohara dump_db(fc, *dmach);
470 1.89 kiyohara }else{
471 1.89 kiyohara err = EINVAL;
472 1.89 kiyohara }
473 1.89 kiyohara break;
474 1.89 kiyohara /* Read/Write Phy registers */
475 1.89 kiyohara #define OHCI_MAX_PHY_REG 0xf
476 1.89 kiyohara case FWOHCI_RDPHYREG:
477 1.89 kiyohara if (reg->addr <= OHCI_MAX_PHY_REG)
478 1.89 kiyohara reg->data = fwphy_rddata(fc, reg->addr);
479 1.89 kiyohara else
480 1.89 kiyohara err = EINVAL;
481 1.89 kiyohara break;
482 1.89 kiyohara case FWOHCI_WRPHYREG:
483 1.89 kiyohara if (reg->addr <= OHCI_MAX_PHY_REG)
484 1.89 kiyohara reg->data = fwphy_wrdata(fc, reg->addr, reg->data);
485 1.89 kiyohara else
486 1.89 kiyohara err = EINVAL;
487 1.89 kiyohara break;
488 1.89 kiyohara default:
489 1.89 kiyohara err = EINVAL;
490 1.89 kiyohara break;
491 1.3 onoe }
492 1.89 kiyohara return err;
493 1.89 kiyohara }
494 1.3 onoe
495 1.89 kiyohara static int
496 1.89 kiyohara fwohci_probe_phy(struct fwohci_softc *sc, device_t dev)
497 1.89 kiyohara {
498 1.89 kiyohara uint32_t reg, reg2;
499 1.89 kiyohara int e1394a = 1;
500 1.89 kiyohara /*
501 1.89 kiyohara * probe PHY parameters
502 1.89 kiyohara * 0. to prove PHY version, whether compliance of 1394a.
503 1.89 kiyohara * 1. to probe maximum speed supported by the PHY and
504 1.89 kiyohara * number of port supported by core-logic.
505 1.89 kiyohara * It is not actually available port on your PC .
506 1.89 kiyohara */
507 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_LPS);
508 1.89 kiyohara reg = fwphy_rddata(sc, FW_PHY_SPD_REG);
509 1.89 kiyohara
510 1.89 kiyohara if((reg >> 5) != 7 ){
511 1.89 kiyohara sc->fc.mode &= ~FWPHYASYST;
512 1.89 kiyohara sc->fc.nport = reg & FW_PHY_NP;
513 1.89 kiyohara sc->fc.speed = reg & FW_PHY_SPD >> 6;
514 1.89 kiyohara if (sc->fc.speed > MAX_SPEED) {
515 1.89 kiyohara device_printf(dev, "invalid speed %d (fixed to %d).\n",
516 1.89 kiyohara sc->fc.speed, MAX_SPEED);
517 1.89 kiyohara sc->fc.speed = MAX_SPEED;
518 1.89 kiyohara }
519 1.89 kiyohara device_printf(dev,
520 1.89 kiyohara "Phy 1394 only %s, %d ports.\n",
521 1.90 drochner fw_linkspeed[sc->fc.speed], sc->fc.nport);
522 1.89 kiyohara }else{
523 1.89 kiyohara reg2 = fwphy_rddata(sc, FW_PHY_ESPD_REG);
524 1.89 kiyohara sc->fc.mode |= FWPHYASYST;
525 1.89 kiyohara sc->fc.nport = reg & FW_PHY_NP;
526 1.89 kiyohara sc->fc.speed = (reg2 & FW_PHY_ESPD) >> 5;
527 1.89 kiyohara if (sc->fc.speed > MAX_SPEED) {
528 1.89 kiyohara device_printf(dev, "invalid speed %d (fixed to %d).\n",
529 1.89 kiyohara sc->fc.speed, MAX_SPEED);
530 1.89 kiyohara sc->fc.speed = MAX_SPEED;
531 1.89 kiyohara }
532 1.89 kiyohara device_printf(dev,
533 1.89 kiyohara "Phy 1394a available %s, %d ports.\n",
534 1.90 drochner fw_linkspeed[sc->fc.speed], sc->fc.nport);
535 1.1 matt
536 1.89 kiyohara /* check programPhyEnable */
537 1.89 kiyohara reg2 = fwphy_rddata(sc, 5);
538 1.89 kiyohara #if 0
539 1.89 kiyohara if (e1394a && (OREAD(sc, OHCI_HCCCTL) & OHCI_HCC_PRPHY)) {
540 1.89 kiyohara #else /* XXX force to enable 1394a */
541 1.89 kiyohara if (e1394a) {
542 1.89 kiyohara #endif
543 1.89 kiyohara if (firewire_debug)
544 1.89 kiyohara device_printf(dev,
545 1.89 kiyohara "Enable 1394a Enhancements\n");
546 1.89 kiyohara /* enable EAA EMC */
547 1.89 kiyohara reg2 |= 0x03;
548 1.89 kiyohara /* set aPhyEnhanceEnable */
549 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_PHYEN);
550 1.89 kiyohara OWRITE(sc, OHCI_HCCCTLCLR, OHCI_HCC_PRPHY);
551 1.92 christos }
552 1.92 christos #if 0
553 1.92 christos else {
554 1.89 kiyohara /* for safe */
555 1.89 kiyohara reg2 &= ~0x83;
556 1.89 kiyohara }
557 1.92 christos #endif
558 1.89 kiyohara reg2 = fwphy_wrdata(sc, 5, reg2);
559 1.89 kiyohara }
560 1.26 enami
561 1.89 kiyohara reg = fwphy_rddata(sc, FW_PHY_SPD_REG);
562 1.89 kiyohara if((reg >> 5) == 7 ){
563 1.89 kiyohara reg = fwphy_rddata(sc, 4);
564 1.89 kiyohara reg |= 1 << 6;
565 1.89 kiyohara fwphy_wrdata(sc, 4, reg);
566 1.89 kiyohara reg = fwphy_rddata(sc, 4);
567 1.1 matt }
568 1.89 kiyohara return 0;
569 1.89 kiyohara }
570 1.1 matt
571 1.1 matt
572 1.89 kiyohara void
573 1.89 kiyohara fwohci_reset(struct fwohci_softc *sc, device_t dev)
574 1.89 kiyohara {
575 1.89 kiyohara int i, max_rec, speed;
576 1.89 kiyohara uint32_t reg, reg2;
577 1.89 kiyohara struct fwohcidb_tr *db_tr;
578 1.89 kiyohara
579 1.89 kiyohara /* Disable interrupts */
580 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, ~0);
581 1.89 kiyohara
582 1.89 kiyohara /* Now stopping all DMA channels */
583 1.89 kiyohara OWRITE(sc, OHCI_ARQCTLCLR, OHCI_CNTL_DMA_RUN);
584 1.89 kiyohara OWRITE(sc, OHCI_ARSCTLCLR, OHCI_CNTL_DMA_RUN);
585 1.89 kiyohara OWRITE(sc, OHCI_ATQCTLCLR, OHCI_CNTL_DMA_RUN);
586 1.89 kiyohara OWRITE(sc, OHCI_ATSCTLCLR, OHCI_CNTL_DMA_RUN);
587 1.89 kiyohara
588 1.89 kiyohara OWRITE(sc, OHCI_IR_MASKCLR, ~0);
589 1.89 kiyohara for( i = 0 ; i < sc->fc.nisodma ; i ++ ){
590 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(i), OHCI_CNTL_DMA_RUN);
591 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(i), OHCI_CNTL_DMA_RUN);
592 1.89 kiyohara }
593 1.89 kiyohara
594 1.89 kiyohara /* FLUSH FIFO and reset Transmitter/Reciever */
595 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_RESET);
596 1.89 kiyohara if (firewire_debug)
597 1.89 kiyohara device_printf(dev, "resetting OHCI...");
598 1.89 kiyohara i = 0;
599 1.89 kiyohara while(OREAD(sc, OHCI_HCCCTL) & OHCI_HCC_RESET) {
600 1.89 kiyohara if (i++ > 100) break;
601 1.89 kiyohara DELAY(1000);
602 1.89 kiyohara }
603 1.89 kiyohara if (firewire_debug)
604 1.89 kiyohara printf("done (loop=%d)\n", i);
605 1.89 kiyohara
606 1.89 kiyohara /* Probe phy */
607 1.89 kiyohara fwohci_probe_phy(sc, dev);
608 1.89 kiyohara
609 1.89 kiyohara /* Probe link */
610 1.89 kiyohara reg = OREAD(sc, OHCI_BUS_OPT);
611 1.89 kiyohara reg2 = reg | OHCI_BUSFNC;
612 1.89 kiyohara max_rec = (reg & 0x0000f000) >> 12;
613 1.89 kiyohara speed = (reg & 0x00000007);
614 1.89 kiyohara device_printf(dev, "Link %s, max_rec %d bytes.\n",
615 1.90 drochner fw_linkspeed[speed], MAXREC(max_rec));
616 1.89 kiyohara /* XXX fix max_rec */
617 1.89 kiyohara sc->fc.maxrec = sc->fc.speed + 8;
618 1.89 kiyohara if (max_rec != sc->fc.maxrec) {
619 1.89 kiyohara reg2 = (reg2 & 0xffff0fff) | (sc->fc.maxrec << 12);
620 1.89 kiyohara device_printf(dev, "max_rec %d -> %d\n",
621 1.89 kiyohara MAXREC(max_rec), MAXREC(sc->fc.maxrec));
622 1.89 kiyohara }
623 1.89 kiyohara if (firewire_debug)
624 1.89 kiyohara device_printf(dev, "BUS_OPT 0x%x -> 0x%x\n", reg, reg2);
625 1.89 kiyohara OWRITE(sc, OHCI_BUS_OPT, reg2);
626 1.89 kiyohara
627 1.89 kiyohara /* Initialize registers */
628 1.89 kiyohara OWRITE(sc, OHCI_CROMHDR, sc->fc.config_rom[0]);
629 1.89 kiyohara OWRITE(sc, OHCI_CROMPTR, sc->crom_dma.bus_addr);
630 1.89 kiyohara OWRITE(sc, OHCI_HCCCTLCLR, OHCI_HCC_BIGEND);
631 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_POSTWR);
632 1.89 kiyohara OWRITE(sc, OHCI_SID_BUF, sc->sid_dma.bus_addr);
633 1.89 kiyohara OWRITE(sc, OHCI_LNKCTL, OHCI_CNTL_SID);
634 1.89 kiyohara
635 1.89 kiyohara /* Enable link */
636 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_LINKEN);
637 1.89 kiyohara
638 1.89 kiyohara /* Force to start async RX DMA */
639 1.89 kiyohara sc->arrq.xferq.flag &= ~FWXFERQ_RUNNING;
640 1.89 kiyohara sc->arrs.xferq.flag &= ~FWXFERQ_RUNNING;
641 1.89 kiyohara fwohci_rx_enable(sc, &sc->arrq);
642 1.89 kiyohara fwohci_rx_enable(sc, &sc->arrs);
643 1.89 kiyohara
644 1.89 kiyohara /* Initialize async TX */
645 1.89 kiyohara OWRITE(sc, OHCI_ATQCTLCLR, OHCI_CNTL_DMA_RUN | OHCI_CNTL_DMA_DEAD);
646 1.89 kiyohara OWRITE(sc, OHCI_ATSCTLCLR, OHCI_CNTL_DMA_RUN | OHCI_CNTL_DMA_DEAD);
647 1.89 kiyohara
648 1.89 kiyohara /* AT Retries */
649 1.89 kiyohara OWRITE(sc, FWOHCI_RETRY,
650 1.89 kiyohara /* CycleLimit PhyRespRetries ATRespRetries ATReqRetries */
651 1.89 kiyohara (0xffff << 16 ) | (0x0f << 8) | (0x0f << 4) | 0x0f) ;
652 1.89 kiyohara
653 1.89 kiyohara sc->atrq.top = STAILQ_FIRST(&sc->atrq.db_trq);
654 1.89 kiyohara sc->atrs.top = STAILQ_FIRST(&sc->atrs.db_trq);
655 1.89 kiyohara sc->atrq.bottom = sc->atrq.top;
656 1.89 kiyohara sc->atrs.bottom = sc->atrs.top;
657 1.89 kiyohara
658 1.89 kiyohara for( i = 0, db_tr = sc->atrq.top; i < sc->atrq.ndb ;
659 1.89 kiyohara i ++, db_tr = STAILQ_NEXT(db_tr, link)){
660 1.89 kiyohara db_tr->xfer = NULL;
661 1.89 kiyohara }
662 1.89 kiyohara for( i = 0, db_tr = sc->atrs.top; i < sc->atrs.ndb ;
663 1.89 kiyohara i ++, db_tr = STAILQ_NEXT(db_tr, link)){
664 1.89 kiyohara db_tr->xfer = NULL;
665 1.89 kiyohara }
666 1.89 kiyohara
667 1.89 kiyohara
668 1.89 kiyohara /* Enable interrupts */
669 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK,
670 1.89 kiyohara OHCI_INT_ERR | OHCI_INT_PHY_SID
671 1.89 kiyohara | OHCI_INT_DMA_ATRQ | OHCI_INT_DMA_ATRS
672 1.89 kiyohara | OHCI_INT_DMA_PRRQ | OHCI_INT_DMA_PRRS
673 1.89 kiyohara | OHCI_INT_PHY_BUS_R | OHCI_INT_PW_ERR);
674 1.89 kiyohara fwohci_set_intr(&sc->fc, 1);
675 1.84 perry
676 1.89 kiyohara }
677 1.3 onoe
678 1.89 kiyohara int
679 1.89 kiyohara fwohci_init(struct fwohci_softc *sc, device_t dev)
680 1.89 kiyohara {
681 1.89 kiyohara int i, mver;
682 1.89 kiyohara uint32_t reg;
683 1.89 kiyohara uint8_t ui[8];
684 1.89 kiyohara
685 1.89 kiyohara #if FWOHCI_TASKQUEUE
686 1.89 kiyohara TASK_INIT(&sc->fwohci_task_complete, 0, fwohci_complete, sc);
687 1.89 kiyohara #endif
688 1.89 kiyohara
689 1.89 kiyohara /* OHCI version */
690 1.89 kiyohara reg = OREAD(sc, OHCI_VERSION);
691 1.89 kiyohara mver = (reg >> 16) & 0xff;
692 1.89 kiyohara device_printf(dev, "OHCI version %x.%x (ROM=%d)\n",
693 1.89 kiyohara mver, reg & 0xff, (reg>>24) & 1);
694 1.89 kiyohara if (mver < 1 || mver > 9) {
695 1.89 kiyohara device_printf(dev, "invalid OHCI version\n");
696 1.89 kiyohara return (ENXIO);
697 1.89 kiyohara }
698 1.89 kiyohara
699 1.89 kiyohara /* Available Isochronous DMA channel probe */
700 1.89 kiyohara OWRITE(sc, OHCI_IT_MASK, 0xffffffff);
701 1.89 kiyohara OWRITE(sc, OHCI_IR_MASK, 0xffffffff);
702 1.89 kiyohara reg = OREAD(sc, OHCI_IT_MASK) & OREAD(sc, OHCI_IR_MASK);
703 1.89 kiyohara OWRITE(sc, OHCI_IT_MASKCLR, 0xffffffff);
704 1.89 kiyohara OWRITE(sc, OHCI_IR_MASKCLR, 0xffffffff);
705 1.89 kiyohara for (i = 0; i < 0x20; i++)
706 1.89 kiyohara if ((reg & (1 << i)) == 0)
707 1.89 kiyohara break;
708 1.89 kiyohara sc->fc.nisodma = i;
709 1.89 kiyohara device_printf(dev, "No. of Isochronous channels is %d.\n", i);
710 1.89 kiyohara if (i == 0)
711 1.89 kiyohara return (ENXIO);
712 1.89 kiyohara
713 1.89 kiyohara sc->fc.arq = &sc->arrq.xferq;
714 1.89 kiyohara sc->fc.ars = &sc->arrs.xferq;
715 1.89 kiyohara sc->fc.atq = &sc->atrq.xferq;
716 1.89 kiyohara sc->fc.ats = &sc->atrs.xferq;
717 1.89 kiyohara
718 1.89 kiyohara sc->arrq.xferq.psize = roundup2(FWPMAX_S400, PAGE_SIZE);
719 1.89 kiyohara sc->arrs.xferq.psize = roundup2(FWPMAX_S400, PAGE_SIZE);
720 1.89 kiyohara sc->atrq.xferq.psize = roundup2(FWPMAX_S400, PAGE_SIZE);
721 1.89 kiyohara sc->atrs.xferq.psize = roundup2(FWPMAX_S400, PAGE_SIZE);
722 1.89 kiyohara
723 1.89 kiyohara sc->arrq.xferq.start = NULL;
724 1.89 kiyohara sc->arrs.xferq.start = NULL;
725 1.89 kiyohara sc->atrq.xferq.start = fwohci_start_atq;
726 1.89 kiyohara sc->atrs.xferq.start = fwohci_start_ats;
727 1.89 kiyohara
728 1.89 kiyohara sc->arrq.xferq.buf = NULL;
729 1.89 kiyohara sc->arrs.xferq.buf = NULL;
730 1.89 kiyohara sc->atrq.xferq.buf = NULL;
731 1.89 kiyohara sc->atrs.xferq.buf = NULL;
732 1.89 kiyohara
733 1.89 kiyohara sc->arrq.xferq.dmach = -1;
734 1.89 kiyohara sc->arrs.xferq.dmach = -1;
735 1.89 kiyohara sc->atrq.xferq.dmach = -1;
736 1.89 kiyohara sc->atrs.xferq.dmach = -1;
737 1.89 kiyohara
738 1.89 kiyohara sc->arrq.ndesc = 1;
739 1.89 kiyohara sc->arrs.ndesc = 1;
740 1.89 kiyohara sc->atrq.ndesc = 8; /* equal to maximum of mbuf chains */
741 1.89 kiyohara sc->atrs.ndesc = 2;
742 1.89 kiyohara
743 1.89 kiyohara sc->arrq.ndb = NDB;
744 1.89 kiyohara sc->arrs.ndb = NDB / 2;
745 1.89 kiyohara sc->atrq.ndb = NDB;
746 1.89 kiyohara sc->atrs.ndb = NDB / 2;
747 1.89 kiyohara
748 1.89 kiyohara for( i = 0 ; i < sc->fc.nisodma ; i ++ ){
749 1.89 kiyohara sc->fc.it[i] = &sc->it[i].xferq;
750 1.89 kiyohara sc->fc.ir[i] = &sc->ir[i].xferq;
751 1.89 kiyohara sc->it[i].xferq.dmach = i;
752 1.89 kiyohara sc->ir[i].xferq.dmach = i;
753 1.89 kiyohara sc->it[i].ndb = 0;
754 1.89 kiyohara sc->ir[i].ndb = 0;
755 1.89 kiyohara }
756 1.89 kiyohara
757 1.89 kiyohara sc->fc.tcode = tinfo;
758 1.89 kiyohara sc->fc.dev = dev;
759 1.89 kiyohara
760 1.89 kiyohara sc->fc.config_rom = fwdma_malloc(&sc->fc, CROMSIZE, CROMSIZE,
761 1.89 kiyohara &sc->crom_dma, BUS_DMA_WAITOK);
762 1.89 kiyohara if(sc->fc.config_rom == NULL){
763 1.89 kiyohara device_printf(dev, "config_rom alloc failed.");
764 1.89 kiyohara return ENOMEM;
765 1.3 onoe }
766 1.62 haya
767 1.89 kiyohara #if 0
768 1.89 kiyohara bzero(&sc->fc.config_rom[0], CROMSIZE);
769 1.89 kiyohara sc->fc.config_rom[1] = 0x31333934;
770 1.89 kiyohara sc->fc.config_rom[2] = 0xf000a002;
771 1.89 kiyohara sc->fc.config_rom[3] = OREAD(sc, OHCI_EUID_HI);
772 1.89 kiyohara sc->fc.config_rom[4] = OREAD(sc, OHCI_EUID_LO);
773 1.89 kiyohara sc->fc.config_rom[5] = 0;
774 1.89 kiyohara sc->fc.config_rom[0] = (4 << 24) | (5 << 16);
775 1.89 kiyohara
776 1.89 kiyohara sc->fc.config_rom[0] |= fw_crc16(&sc->fc.config_rom[1], 5*4);
777 1.89 kiyohara #endif
778 1.62 haya
779 1.62 haya
780 1.89 kiyohara /* SID recieve buffer must align 2^11 */
781 1.89 kiyohara #define OHCI_SIDSIZE (1 << 11)
782 1.89 kiyohara sc->sid_buf = fwdma_malloc(&sc->fc, OHCI_SIDSIZE, OHCI_SIDSIZE,
783 1.89 kiyohara &sc->sid_dma, BUS_DMA_WAITOK);
784 1.89 kiyohara if (sc->sid_buf == NULL) {
785 1.89 kiyohara device_printf(dev, "sid_buf alloc failed.");
786 1.89 kiyohara return ENOMEM;
787 1.89 kiyohara }
788 1.89 kiyohara
789 1.89 kiyohara fwdma_malloc(&sc->fc, sizeof(uint32_t), sizeof(uint32_t),
790 1.89 kiyohara &sc->dummy_dma, BUS_DMA_WAITOK);
791 1.89 kiyohara
792 1.89 kiyohara if (sc->dummy_dma.v_addr == NULL) {
793 1.89 kiyohara device_printf(dev, "dummy_dma alloc failed.");
794 1.89 kiyohara return ENOMEM;
795 1.89 kiyohara }
796 1.89 kiyohara
797 1.89 kiyohara fwohci_db_init(sc, &sc->arrq);
798 1.89 kiyohara if ((sc->arrq.flags & FWOHCI_DBCH_INIT) == 0)
799 1.89 kiyohara return ENOMEM;
800 1.89 kiyohara
801 1.89 kiyohara fwohci_db_init(sc, &sc->arrs);
802 1.89 kiyohara if ((sc->arrs.flags & FWOHCI_DBCH_INIT) == 0)
803 1.89 kiyohara return ENOMEM;
804 1.89 kiyohara
805 1.89 kiyohara fwohci_db_init(sc, &sc->atrq);
806 1.89 kiyohara if ((sc->atrq.flags & FWOHCI_DBCH_INIT) == 0)
807 1.89 kiyohara return ENOMEM;
808 1.89 kiyohara
809 1.89 kiyohara fwohci_db_init(sc, &sc->atrs);
810 1.89 kiyohara if ((sc->atrs.flags & FWOHCI_DBCH_INIT) == 0)
811 1.89 kiyohara return ENOMEM;
812 1.89 kiyohara
813 1.89 kiyohara sc->fc.eui.hi = OREAD(sc, FWOHCIGUID_H);
814 1.89 kiyohara sc->fc.eui.lo = OREAD(sc, FWOHCIGUID_L);
815 1.89 kiyohara for( i = 0 ; i < 8 ; i ++)
816 1.89 kiyohara ui[i] = FW_EUI64_BYTE(&sc->fc.eui,i);
817 1.89 kiyohara device_printf(dev, "EUI64 %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
818 1.89 kiyohara ui[0], ui[1], ui[2], ui[3], ui[4], ui[5], ui[6], ui[7]);
819 1.89 kiyohara
820 1.89 kiyohara sc->fc.ioctl = fwohci_ioctl;
821 1.89 kiyohara sc->fc.cyctimer = fwohci_cyctimer;
822 1.89 kiyohara sc->fc.set_bmr = fwohci_set_bus_manager;
823 1.89 kiyohara sc->fc.ibr = fwohci_ibr;
824 1.89 kiyohara sc->fc.irx_enable = fwohci_irx_enable;
825 1.89 kiyohara sc->fc.irx_disable = fwohci_irx_disable;
826 1.3 onoe
827 1.89 kiyohara sc->fc.itx_enable = fwohci_itxbuf_enable;
828 1.89 kiyohara sc->fc.itx_disable = fwohci_itx_disable;
829 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
830 1.89 kiyohara sc->fc.irx_post = fwohci_irx_post;
831 1.89 kiyohara #else
832 1.89 kiyohara sc->fc.irx_post = NULL;
833 1.5 matt #endif
834 1.89 kiyohara sc->fc.itx_post = NULL;
835 1.89 kiyohara sc->fc.timeout = fwohci_timeout;
836 1.89 kiyohara sc->fc.poll = fwohci_poll;
837 1.89 kiyohara sc->fc.set_intr = fwohci_set_intr;
838 1.89 kiyohara
839 1.89 kiyohara sc->intmask = sc->irstat = sc->itstat = 0;
840 1.89 kiyohara
841 1.89 kiyohara fw_init(&sc->fc);
842 1.89 kiyohara fwohci_reset(sc, dev);
843 1.89 kiyohara FWOHCI_INIT_END;
844 1.5 matt
845 1.1 matt return 0;
846 1.1 matt }
847 1.1 matt
848 1.89 kiyohara void
849 1.89 kiyohara fwohci_timeout(void *arg)
850 1.40 haya {
851 1.89 kiyohara struct fwohci_softc *sc;
852 1.40 haya
853 1.89 kiyohara sc = (struct fwohci_softc *)arg;
854 1.89 kiyohara }
855 1.40 haya
856 1.89 kiyohara uint32_t
857 1.89 kiyohara fwohci_cyctimer(struct firewire_comm *fc)
858 1.89 kiyohara {
859 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
860 1.89 kiyohara return(OREAD(sc, OHCI_CYCLETIMER));
861 1.40 haya }
862 1.40 haya
863 1.89 kiyohara FWOHCI_DETACH()
864 1.1 matt {
865 1.89 kiyohara int i;
866 1.62 haya
867 1.89 kiyohara FWOHCI_DETACH_START;
868 1.89 kiyohara if (sc->sid_buf != NULL)
869 1.89 kiyohara fwdma_free(&sc->fc, &sc->sid_dma);
870 1.89 kiyohara if (sc->fc.config_rom != NULL)
871 1.89 kiyohara fwdma_free(&sc->fc, &sc->crom_dma);
872 1.40 haya
873 1.89 kiyohara fwohci_db_free(&sc->arrq);
874 1.89 kiyohara fwohci_db_free(&sc->arrs);
875 1.62 haya
876 1.89 kiyohara fwohci_db_free(&sc->atrq);
877 1.89 kiyohara fwohci_db_free(&sc->atrs);
878 1.3 onoe
879 1.89 kiyohara for( i = 0 ; i < sc->fc.nisodma ; i ++ ){
880 1.89 kiyohara fwohci_db_free(&sc->it[i]);
881 1.89 kiyohara fwohci_db_free(&sc->ir[i]);
882 1.1 matt }
883 1.89 kiyohara FWOHCI_DETACH_END;
884 1.89 kiyohara
885 1.89 kiyohara return 0;
886 1.3 onoe }
887 1.3 onoe
888 1.89 kiyohara #define LAST_DB(dbtr, db) do { \
889 1.89 kiyohara struct fwohcidb_tr *_dbtr = (dbtr); \
890 1.89 kiyohara int _cnt = _dbtr->dbcnt; \
891 1.89 kiyohara db = &_dbtr->db[ (_cnt > 2) ? (_cnt -1) : 0]; \
892 1.89 kiyohara } while (0)
893 1.89 kiyohara
894 1.24 jmc static void
895 1.89 kiyohara fwohci_execute_db(void *arg, bus_dma_segment_t *segs, int nseg, int error)
896 1.24 jmc {
897 1.89 kiyohara struct fwohcidb_tr *db_tr;
898 1.89 kiyohara struct fwohcidb *db;
899 1.89 kiyohara bus_dma_segment_t *s;
900 1.89 kiyohara int i;
901 1.24 jmc
902 1.89 kiyohara db_tr = (struct fwohcidb_tr *)arg;
903 1.89 kiyohara db = &db_tr->db[db_tr->dbcnt];
904 1.89 kiyohara if (error) {
905 1.89 kiyohara if (firewire_debug || error != EFBIG)
906 1.89 kiyohara printf("fwohci_execute_db: error=%d\n", error);
907 1.89 kiyohara return;
908 1.89 kiyohara }
909 1.89 kiyohara for (i = 0; i < nseg; i++) {
910 1.89 kiyohara s = &segs[i];
911 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.addr, s->ds_addr);
912 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.cmd, s->ds_len);
913 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res, 0);
914 1.89 kiyohara db++;
915 1.89 kiyohara db_tr->dbcnt++;
916 1.26 enami }
917 1.24 jmc }
918 1.24 jmc
919 1.24 jmc static void
920 1.89 kiyohara fwohci_execute_db2(void *arg, bus_dma_segment_t *segs, int nseg,
921 1.89 kiyohara bus_size_t size, int error)
922 1.24 jmc {
923 1.89 kiyohara fwohci_execute_db(arg, segs, nseg, error);
924 1.89 kiyohara }
925 1.26 enami
926 1.89 kiyohara static void
927 1.89 kiyohara fwohci_start(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
928 1.89 kiyohara {
929 1.89 kiyohara int i, s;
930 1.89 kiyohara int tcode, hdr_len, pl_off;
931 1.89 kiyohara int fsegment = -1;
932 1.89 kiyohara uint32_t off;
933 1.89 kiyohara struct fw_xfer *xfer;
934 1.89 kiyohara struct fw_pkt *fp;
935 1.89 kiyohara struct fwohci_txpkthdr *ohcifp;
936 1.89 kiyohara struct fwohcidb_tr *db_tr;
937 1.89 kiyohara struct fwohcidb *db;
938 1.89 kiyohara uint32_t *ld;
939 1.90 drochner const struct tcode_info *info;
940 1.89 kiyohara static int maxdesc=0;
941 1.89 kiyohara
942 1.89 kiyohara if(&sc->atrq == dbch){
943 1.89 kiyohara off = OHCI_ATQOFF;
944 1.89 kiyohara }else if(&sc->atrs == dbch){
945 1.89 kiyohara off = OHCI_ATSOFF;
946 1.89 kiyohara }else{
947 1.89 kiyohara return;
948 1.26 enami }
949 1.24 jmc
950 1.89 kiyohara if (dbch->flags & FWOHCI_DBCH_FULL)
951 1.89 kiyohara return;
952 1.24 jmc
953 1.89 kiyohara s = splfw();
954 1.89 kiyohara db_tr = dbch->top;
955 1.89 kiyohara txloop:
956 1.89 kiyohara xfer = STAILQ_FIRST(&dbch->xferq.q);
957 1.89 kiyohara if(xfer == NULL){
958 1.89 kiyohara goto kick;
959 1.89 kiyohara }
960 1.89 kiyohara if(dbch->xferq.queued == 0 ){
961 1.89 kiyohara device_printf(sc->fc.dev, "TX queue empty\n");
962 1.89 kiyohara }
963 1.89 kiyohara STAILQ_REMOVE_HEAD(&dbch->xferq.q, link);
964 1.89 kiyohara db_tr->xfer = xfer;
965 1.89 kiyohara xfer->state = FWXF_START;
966 1.89 kiyohara
967 1.89 kiyohara fp = &xfer->send.hdr;
968 1.89 kiyohara tcode = fp->mode.common.tcode;
969 1.89 kiyohara
970 1.89 kiyohara ohcifp = (struct fwohci_txpkthdr *) db_tr->db[1].db.immed;
971 1.89 kiyohara info = &tinfo[tcode];
972 1.89 kiyohara hdr_len = pl_off = info->hdr_len;
973 1.89 kiyohara
974 1.89 kiyohara ld = &ohcifp->mode.ld[0];
975 1.89 kiyohara ld[0] = ld[1] = ld[2] = ld[3] = 0;
976 1.89 kiyohara for( i = 0 ; i < pl_off ; i+= 4)
977 1.89 kiyohara ld[i/4] = fp->mode.ld[i/4];
978 1.89 kiyohara
979 1.89 kiyohara ohcifp->mode.common.spd = xfer->send.spd & 0x7;
980 1.89 kiyohara if (tcode == FWTCODE_STREAM ){
981 1.89 kiyohara hdr_len = 8;
982 1.89 kiyohara ohcifp->mode.stream.len = fp->mode.stream.len;
983 1.89 kiyohara } else if (tcode == FWTCODE_PHY) {
984 1.89 kiyohara hdr_len = 12;
985 1.89 kiyohara ld[1] = fp->mode.ld[1];
986 1.89 kiyohara ld[2] = fp->mode.ld[2];
987 1.89 kiyohara ohcifp->mode.common.spd = 0;
988 1.89 kiyohara ohcifp->mode.common.tcode = FWOHCITCODE_PHY;
989 1.89 kiyohara } else {
990 1.89 kiyohara ohcifp->mode.asycomm.dst = fp->mode.hdr.dst;
991 1.89 kiyohara ohcifp->mode.asycomm.srcbus = OHCI_ASYSRCBUS;
992 1.89 kiyohara ohcifp->mode.asycomm.tlrt |= FWRETRY_X;
993 1.89 kiyohara }
994 1.89 kiyohara db = &db_tr->db[0];
995 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.cmd,
996 1.89 kiyohara OHCI_OUTPUT_MORE | OHCI_KEY_ST2 | hdr_len);
997 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.addr, 0);
998 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res, 0);
999 1.89 kiyohara /* Specify bound timer of asy. responce */
1000 1.89 kiyohara if(&sc->atrs == dbch){
1001 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res,
1002 1.89 kiyohara (OREAD(sc, OHCI_CYCLETIMER) >> 12) + (1 << 13));
1003 1.89 kiyohara }
1004 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
1005 1.89 kiyohara if (tcode == FWTCODE_WREQQ || tcode == FWTCODE_RRESQ)
1006 1.89 kiyohara hdr_len = 12;
1007 1.89 kiyohara for (i = 0; i < hdr_len/4; i ++)
1008 1.89 kiyohara FWOHCI_DMA_WRITE(ld[i], ld[i]);
1009 1.89 kiyohara #endif
1010 1.89 kiyohara
1011 1.89 kiyohara again:
1012 1.89 kiyohara db_tr->dbcnt = 2;
1013 1.89 kiyohara db = &db_tr->db[db_tr->dbcnt];
1014 1.89 kiyohara if (xfer->send.pay_len > 0) {
1015 1.89 kiyohara int err;
1016 1.89 kiyohara /* handle payload */
1017 1.89 kiyohara if (xfer->mbuf == NULL) {
1018 1.89 kiyohara err = fw_bus_dmamap_load(dbch->dmat, db_tr->dma_map,
1019 1.89 kiyohara &xfer->send.payload[0], xfer->send.pay_len,
1020 1.89 kiyohara fwohci_execute_db, db_tr,
1021 1.89 kiyohara BUS_DMA_WAITOK);
1022 1.89 kiyohara } else {
1023 1.89 kiyohara /* XXX we can handle only 6 (=8-2) mbuf chains */
1024 1.89 kiyohara err = fw_bus_dmamap_load_mbuf(dbch->dmat,
1025 1.89 kiyohara db_tr->dma_map, xfer->mbuf,
1026 1.89 kiyohara fwohci_execute_db2, db_tr,
1027 1.89 kiyohara BUS_DMA_WAITOK);
1028 1.89 kiyohara if (err == EFBIG) {
1029 1.89 kiyohara struct mbuf *m0;
1030 1.89 kiyohara
1031 1.89 kiyohara if (firewire_debug)
1032 1.89 kiyohara device_printf(sc->fc.dev, "EFBIG.\n");
1033 1.89 kiyohara m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
1034 1.89 kiyohara if (m0 != NULL) {
1035 1.89 kiyohara m_copydata(xfer->mbuf, 0,
1036 1.89 kiyohara xfer->mbuf->m_pkthdr.len,
1037 1.89 kiyohara mtod(m0, caddr_t));
1038 1.89 kiyohara m0->m_len = m0->m_pkthdr.len =
1039 1.89 kiyohara xfer->mbuf->m_pkthdr.len;
1040 1.89 kiyohara m_freem(xfer->mbuf);
1041 1.89 kiyohara xfer->mbuf = m0;
1042 1.89 kiyohara goto again;
1043 1.89 kiyohara }
1044 1.89 kiyohara device_printf(sc->fc.dev, "m_getcl failed.\n");
1045 1.89 kiyohara }
1046 1.89 kiyohara }
1047 1.89 kiyohara if (err)
1048 1.89 kiyohara printf("dmamap_load: err=%d\n", err);
1049 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map,
1050 1.89 kiyohara BUS_DMASYNC_PREWRITE);
1051 1.89 kiyohara #if 0 /* OHCI_OUTPUT_MODE == 0 */
1052 1.89 kiyohara for (i = 2; i < db_tr->dbcnt; i++)
1053 1.89 kiyohara FWOHCI_DMA_SET(db_tr->db[i].db.desc.cmd,
1054 1.89 kiyohara OHCI_OUTPUT_MORE);
1055 1.89 kiyohara #endif
1056 1.89 kiyohara }
1057 1.89 kiyohara if (maxdesc < db_tr->dbcnt) {
1058 1.89 kiyohara maxdesc = db_tr->dbcnt;
1059 1.89 kiyohara if (firewire_debug)
1060 1.89 kiyohara device_printf(sc->fc.dev, "maxdesc: %d\n", maxdesc);
1061 1.89 kiyohara }
1062 1.89 kiyohara /* last db */
1063 1.89 kiyohara LAST_DB(db_tr, db);
1064 1.89 kiyohara FWOHCI_DMA_SET(db->db.desc.cmd,
1065 1.89 kiyohara OHCI_OUTPUT_LAST | OHCI_INTERRUPT_ALWAYS | OHCI_BRANCH_ALWAYS);
1066 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.depend,
1067 1.89 kiyohara STAILQ_NEXT(db_tr, link)->bus_addr);
1068 1.89 kiyohara
1069 1.89 kiyohara if(fsegment == -1 )
1070 1.89 kiyohara fsegment = db_tr->dbcnt;
1071 1.89 kiyohara if (dbch->pdb_tr != NULL) {
1072 1.89 kiyohara LAST_DB(dbch->pdb_tr, db);
1073 1.89 kiyohara FWOHCI_DMA_SET(db->db.desc.depend, db_tr->dbcnt);
1074 1.89 kiyohara }
1075 1.89 kiyohara dbch->pdb_tr = db_tr;
1076 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link);
1077 1.89 kiyohara if(db_tr != dbch->bottom){
1078 1.89 kiyohara goto txloop;
1079 1.89 kiyohara } else {
1080 1.89 kiyohara device_printf(sc->fc.dev, "fwohci_start: lack of db_trq\n");
1081 1.89 kiyohara dbch->flags |= FWOHCI_DBCH_FULL;
1082 1.89 kiyohara }
1083 1.89 kiyohara kick:
1084 1.89 kiyohara /* kick asy q */
1085 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING) {
1086 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_WAKE);
1087 1.89 kiyohara } else {
1088 1.89 kiyohara if (firewire_debug)
1089 1.89 kiyohara device_printf(sc->fc.dev, "start AT DMA status=%x\n",
1090 1.89 kiyohara OREAD(sc, OHCI_DMACTL(off)));
1091 1.89 kiyohara OWRITE(sc, OHCI_DMACMD(off), dbch->top->bus_addr | fsegment);
1092 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_RUN);
1093 1.89 kiyohara dbch->xferq.flag |= FWXFERQ_RUNNING;
1094 1.62 haya }
1095 1.89 kiyohara CTR0(KTR_DEV, "start kick done");
1096 1.89 kiyohara CTR0(KTR_DEV, "start kick done2");
1097 1.24 jmc
1098 1.89 kiyohara dbch->top = db_tr;
1099 1.89 kiyohara splx(s);
1100 1.89 kiyohara return;
1101 1.89 kiyohara }
1102 1.24 jmc
1103 1.89 kiyohara static void
1104 1.89 kiyohara fwohci_start_atq(struct firewire_comm *fc)
1105 1.89 kiyohara {
1106 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
1107 1.89 kiyohara fwohci_start( sc, &(sc->atrq));
1108 1.89 kiyohara return;
1109 1.89 kiyohara }
1110 1.24 jmc
1111 1.89 kiyohara static void
1112 1.89 kiyohara fwohci_start_ats(struct firewire_comm *fc)
1113 1.89 kiyohara {
1114 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
1115 1.89 kiyohara fwohci_start( sc, &(sc->atrs));
1116 1.89 kiyohara return;
1117 1.89 kiyohara }
1118 1.62 haya
1119 1.89 kiyohara void
1120 1.89 kiyohara fwohci_txd(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
1121 1.89 kiyohara {
1122 1.89 kiyohara int s, ch, err = 0;
1123 1.89 kiyohara struct fwohcidb_tr *tr;
1124 1.89 kiyohara struct fwohcidb *db;
1125 1.89 kiyohara struct fw_xfer *xfer;
1126 1.89 kiyohara uint32_t off;
1127 1.89 kiyohara u_int stat, status;
1128 1.89 kiyohara int packets;
1129 1.89 kiyohara struct firewire_comm *fc = (struct firewire_comm *)sc;
1130 1.89 kiyohara
1131 1.89 kiyohara if(&sc->atrq == dbch){
1132 1.89 kiyohara off = OHCI_ATQOFF;
1133 1.89 kiyohara ch = ATRQ_CH;
1134 1.89 kiyohara }else if(&sc->atrs == dbch){
1135 1.89 kiyohara off = OHCI_ATSOFF;
1136 1.89 kiyohara ch = ATRS_CH;
1137 1.89 kiyohara }else{
1138 1.89 kiyohara return;
1139 1.89 kiyohara }
1140 1.89 kiyohara s = splfw();
1141 1.89 kiyohara tr = dbch->bottom;
1142 1.89 kiyohara packets = 0;
1143 1.89 kiyohara while(dbch->xferq.queued > 0){
1144 1.89 kiyohara LAST_DB(tr, db);
1145 1.89 kiyohara status = FWOHCI_DMA_READ(db->db.desc.res) >> OHCI_STATUS_SHIFT;
1146 1.89 kiyohara if(!(status & OHCI_CNTL_DMA_ACTIVE)){
1147 1.89 kiyohara if (fc->status != FWBUSRESET)
1148 1.89 kiyohara /* maybe out of order?? */
1149 1.89 kiyohara goto out;
1150 1.89 kiyohara }
1151 1.89 kiyohara if (tr->xfer->send.pay_len > 0) {
1152 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, tr->dma_map,
1153 1.89 kiyohara BUS_DMASYNC_POSTWRITE);
1154 1.89 kiyohara fw_bus_dmamap_unload(dbch->dmat, tr->dma_map);
1155 1.89 kiyohara }
1156 1.89 kiyohara #if 1
1157 1.89 kiyohara if (firewire_debug > 1)
1158 1.89 kiyohara dump_db(sc, ch);
1159 1.89 kiyohara #endif
1160 1.89 kiyohara if(status & OHCI_CNTL_DMA_DEAD) {
1161 1.89 kiyohara /* Stop DMA */
1162 1.89 kiyohara OWRITE(sc, OHCI_DMACTLCLR(off), OHCI_CNTL_DMA_RUN);
1163 1.89 kiyohara device_printf(sc->fc.dev, "force reset AT FIFO\n");
1164 1.89 kiyohara OWRITE(sc, OHCI_HCCCTLCLR, OHCI_HCC_LINKEN);
1165 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_LPS | OHCI_HCC_LINKEN);
1166 1.89 kiyohara OWRITE(sc, OHCI_DMACTLCLR(off), OHCI_CNTL_DMA_RUN);
1167 1.89 kiyohara }
1168 1.89 kiyohara stat = status & FWOHCIEV_MASK;
1169 1.89 kiyohara switch(stat){
1170 1.89 kiyohara case FWOHCIEV_ACKPEND:
1171 1.89 kiyohara CTR0(KTR_DEV, "txd: ack pending");
1172 1.89 kiyohara /* fall through */
1173 1.89 kiyohara case FWOHCIEV_ACKCOMPL:
1174 1.89 kiyohara err = 0;
1175 1.89 kiyohara break;
1176 1.89 kiyohara case FWOHCIEV_ACKBSA:
1177 1.89 kiyohara case FWOHCIEV_ACKBSB:
1178 1.89 kiyohara case FWOHCIEV_ACKBSX:
1179 1.89 kiyohara device_printf(sc->fc.dev, "txd err=%2x %s\n", stat, fwohcicode[stat]);
1180 1.89 kiyohara err = EBUSY;
1181 1.89 kiyohara break;
1182 1.89 kiyohara case FWOHCIEV_FLUSHED:
1183 1.89 kiyohara case FWOHCIEV_ACKTARD:
1184 1.89 kiyohara device_printf(sc->fc.dev, "txd err=%2x %s\n", stat, fwohcicode[stat]);
1185 1.89 kiyohara err = EAGAIN;
1186 1.89 kiyohara break;
1187 1.89 kiyohara case FWOHCIEV_MISSACK:
1188 1.89 kiyohara case FWOHCIEV_UNDRRUN:
1189 1.89 kiyohara case FWOHCIEV_OVRRUN:
1190 1.89 kiyohara case FWOHCIEV_DESCERR:
1191 1.89 kiyohara case FWOHCIEV_DTRDERR:
1192 1.89 kiyohara case FWOHCIEV_TIMEOUT:
1193 1.89 kiyohara case FWOHCIEV_TCODERR:
1194 1.89 kiyohara case FWOHCIEV_UNKNOWN:
1195 1.89 kiyohara case FWOHCIEV_ACKDERR:
1196 1.89 kiyohara case FWOHCIEV_ACKTERR:
1197 1.89 kiyohara default:
1198 1.89 kiyohara device_printf(sc->fc.dev, "txd err=%2x %s\n",
1199 1.89 kiyohara stat, fwohcicode[stat]);
1200 1.89 kiyohara err = EINVAL;
1201 1.89 kiyohara break;
1202 1.89 kiyohara }
1203 1.89 kiyohara if (tr->xfer != NULL) {
1204 1.89 kiyohara xfer = tr->xfer;
1205 1.89 kiyohara CTR0(KTR_DEV, "txd");
1206 1.89 kiyohara if (xfer->state == FWXF_RCVD) {
1207 1.62 haya #if 0
1208 1.89 kiyohara if (firewire_debug)
1209 1.89 kiyohara printf("already rcvd\n");
1210 1.62 haya #endif
1211 1.89 kiyohara fw_xfer_done(xfer);
1212 1.89 kiyohara } else {
1213 1.89 kiyohara xfer->state = FWXF_SENT;
1214 1.89 kiyohara if (err == EBUSY && fc->status != FWBUSRESET) {
1215 1.89 kiyohara xfer->state = FWXF_BUSY;
1216 1.89 kiyohara xfer->resp = err;
1217 1.89 kiyohara xfer->recv.pay_len = 0;
1218 1.89 kiyohara fw_xfer_done(xfer);
1219 1.89 kiyohara } else if (stat != FWOHCIEV_ACKPEND) {
1220 1.89 kiyohara if (stat != FWOHCIEV_ACKCOMPL)
1221 1.89 kiyohara xfer->state = FWXF_SENTERR;
1222 1.89 kiyohara xfer->resp = err;
1223 1.89 kiyohara xfer->recv.pay_len = 0;
1224 1.89 kiyohara fw_xfer_done(xfer);
1225 1.89 kiyohara }
1226 1.89 kiyohara }
1227 1.89 kiyohara /*
1228 1.89 kiyohara * The watchdog timer takes care of split
1229 1.89 kiyohara * transcation timeout for ACKPEND case.
1230 1.89 kiyohara */
1231 1.89 kiyohara } else {
1232 1.89 kiyohara printf("this shouldn't happen\n");
1233 1.89 kiyohara }
1234 1.89 kiyohara dbch->xferq.queued --;
1235 1.89 kiyohara tr->xfer = NULL;
1236 1.62 haya
1237 1.89 kiyohara packets ++;
1238 1.89 kiyohara tr = STAILQ_NEXT(tr, link);
1239 1.89 kiyohara dbch->bottom = tr;
1240 1.89 kiyohara if (dbch->bottom == dbch->top) {
1241 1.89 kiyohara /* we reaches the end of context program */
1242 1.89 kiyohara if (firewire_debug && dbch->xferq.queued > 0)
1243 1.89 kiyohara printf("queued > 0\n");
1244 1.89 kiyohara break;
1245 1.89 kiyohara }
1246 1.89 kiyohara }
1247 1.89 kiyohara out:
1248 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_FULL) && packets > 0) {
1249 1.89 kiyohara printf("make free slot\n");
1250 1.89 kiyohara dbch->flags &= ~FWOHCI_DBCH_FULL;
1251 1.89 kiyohara fwohci_start(sc, dbch);
1252 1.89 kiyohara }
1253 1.89 kiyohara splx(s);
1254 1.24 jmc }
1255 1.24 jmc
1256 1.24 jmc static void
1257 1.89 kiyohara fwohci_db_free(struct fwohci_dbch *dbch)
1258 1.24 jmc {
1259 1.89 kiyohara struct fwohcidb_tr *db_tr;
1260 1.89 kiyohara int idb;
1261 1.26 enami
1262 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0)
1263 1.89 kiyohara return;
1264 1.26 enami
1265 1.89 kiyohara for(db_tr = STAILQ_FIRST(&dbch->db_trq), idb = 0; idb < dbch->ndb;
1266 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link), idb++){
1267 1.89 kiyohara if ((dbch->xferq.flag & FWXFERQ_EXTBUF) == 0 &&
1268 1.89 kiyohara db_tr->buf != NULL) {
1269 1.89 kiyohara fwdma_free_size(dbch->dmat, db_tr->dma_map,
1270 1.89 kiyohara db_tr->buf, dbch->xferq.psize);
1271 1.89 kiyohara db_tr->buf = NULL;
1272 1.89 kiyohara } else if (db_tr->dma_map != NULL)
1273 1.89 kiyohara fw_bus_dmamap_destroy(dbch->dmat, db_tr->dma_map);
1274 1.89 kiyohara }
1275 1.89 kiyohara dbch->ndb = 0;
1276 1.89 kiyohara db_tr = STAILQ_FIRST(&dbch->db_trq);
1277 1.89 kiyohara fwdma_free_multiseg(dbch->am);
1278 1.89 kiyohara free(db_tr, M_FW);
1279 1.89 kiyohara STAILQ_INIT(&dbch->db_trq);
1280 1.89 kiyohara dbch->flags &= ~FWOHCI_DBCH_INIT;
1281 1.89 kiyohara }
1282 1.26 enami
1283 1.89 kiyohara static void
1284 1.89 kiyohara fwohci_db_init(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
1285 1.89 kiyohara {
1286 1.89 kiyohara int idb;
1287 1.89 kiyohara struct fwohcidb_tr *db_tr;
1288 1.89 kiyohara
1289 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) != 0)
1290 1.89 kiyohara goto out;
1291 1.89 kiyohara
1292 1.89 kiyohara /* create dma_tag for buffers */
1293 1.89 kiyohara #define MAX_REQCOUNT 0xffff
1294 1.89 kiyohara if (fw_bus_dma_tag_create(/*parent*/ sc->fc.dmat,
1295 1.89 kiyohara /*alignment*/ 1, /*boundary*/ 0,
1296 1.89 kiyohara /*lowaddr*/ BUS_SPACE_MAXADDR_32BIT,
1297 1.89 kiyohara /*highaddr*/ BUS_SPACE_MAXADDR,
1298 1.89 kiyohara /*filter*/NULL, /*filterarg*/NULL,
1299 1.89 kiyohara /*maxsize*/ dbch->xferq.psize,
1300 1.89 kiyohara /*nsegments*/ dbch->ndesc > 3 ? dbch->ndesc - 2 : 1,
1301 1.89 kiyohara /*maxsegsz*/ MAX_REQCOUNT,
1302 1.89 kiyohara /*flags*/ 0,
1303 1.89 kiyohara /*lockfunc*/busdma_lock_mutex,
1304 1.89 kiyohara /*lockarg*/&Giant,
1305 1.89 kiyohara &dbch->dmat))
1306 1.89 kiyohara return;
1307 1.26 enami
1308 1.89 kiyohara /* allocate DB entries and attach one to each DMA channels */
1309 1.89 kiyohara /* DB entry must start at 16 bytes bounary. */
1310 1.89 kiyohara STAILQ_INIT(&dbch->db_trq);
1311 1.89 kiyohara db_tr = (struct fwohcidb_tr *)
1312 1.89 kiyohara malloc(sizeof(struct fwohcidb_tr) * dbch->ndb,
1313 1.89 kiyohara M_FW, M_WAITOK | M_ZERO);
1314 1.89 kiyohara if(db_tr == NULL){
1315 1.89 kiyohara printf("fwohci_db_init: malloc(1) failed\n");
1316 1.89 kiyohara return;
1317 1.89 kiyohara }
1318 1.26 enami
1319 1.89 kiyohara #define DB_SIZE(x) (sizeof(struct fwohcidb) * (x)->ndesc)
1320 1.89 kiyohara dbch->am = fwdma_malloc_multiseg(&sc->fc, DB_SIZE(dbch),
1321 1.89 kiyohara DB_SIZE(dbch), dbch->ndb, BUS_DMA_WAITOK);
1322 1.89 kiyohara if (dbch->am == NULL) {
1323 1.89 kiyohara printf("fwohci_db_init: fwdma_malloc_multiseg failed\n");
1324 1.89 kiyohara free(db_tr, M_FW);
1325 1.89 kiyohara return;
1326 1.89 kiyohara }
1327 1.89 kiyohara /* Attach DB to DMA ch. */
1328 1.89 kiyohara for(idb = 0 ; idb < dbch->ndb ; idb++){
1329 1.89 kiyohara db_tr->dbcnt = 0;
1330 1.89 kiyohara db_tr->db = (struct fwohcidb *)fwdma_v_addr(dbch->am, idb);
1331 1.89 kiyohara db_tr->bus_addr = fwdma_bus_addr(dbch->am, idb);
1332 1.89 kiyohara /* create dmamap for buffers */
1333 1.89 kiyohara /* XXX do we need 4bytes alignment tag? */
1334 1.89 kiyohara /* XXX don't alloc dma_map for AR */
1335 1.89 kiyohara if (bus_dmamap_create(sc->fc.dmat, dbch->xferq.psize,
1336 1.89 kiyohara dbch->ndesc > 3 ? dbch->ndesc - 2 : 1, MAX_REQCOUNT,
1337 1.89 kiyohara 0, BUS_DMA_NOWAIT, &db_tr->dma_map) != 0) {
1338 1.89 kiyohara printf("bus_dmamap_create failed\n");
1339 1.89 kiyohara dbch->flags = FWOHCI_DBCH_INIT; /* XXX fake */
1340 1.89 kiyohara fwohci_db_free(dbch);
1341 1.89 kiyohara return;
1342 1.35 onoe }
1343 1.89 kiyohara STAILQ_INSERT_TAIL(&dbch->db_trq, db_tr, link);
1344 1.89 kiyohara if (dbch->xferq.flag & FWXFERQ_EXTBUF) {
1345 1.89 kiyohara if (idb % dbch->xferq.bnpacket == 0)
1346 1.89 kiyohara dbch->xferq.bulkxfer[idb / dbch->xferq.bnpacket
1347 1.89 kiyohara ].start = (caddr_t)db_tr;
1348 1.89 kiyohara if ((idb + 1) % dbch->xferq.bnpacket == 0)
1349 1.89 kiyohara dbch->xferq.bulkxfer[idb / dbch->xferq.bnpacket
1350 1.89 kiyohara ].end = (caddr_t)db_tr;
1351 1.26 enami }
1352 1.89 kiyohara db_tr++;
1353 1.26 enami }
1354 1.89 kiyohara STAILQ_LAST(&dbch->db_trq, fwohcidb_tr,link)->link.stqe_next
1355 1.89 kiyohara = STAILQ_FIRST(&dbch->db_trq);
1356 1.89 kiyohara out:
1357 1.89 kiyohara dbch->xferq.queued = 0;
1358 1.89 kiyohara dbch->pdb_tr = NULL;
1359 1.89 kiyohara dbch->top = STAILQ_FIRST(&dbch->db_trq);
1360 1.89 kiyohara dbch->bottom = dbch->top;
1361 1.89 kiyohara dbch->flags = FWOHCI_DBCH_INIT;
1362 1.24 jmc }
1363 1.24 jmc
1364 1.5 matt static int
1365 1.89 kiyohara fwohci_itx_disable(struct firewire_comm *fc, int dmach)
1366 1.5 matt {
1367 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
1368 1.89 kiyohara int sleepch;
1369 1.5 matt
1370 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(dmach),
1371 1.89 kiyohara OHCI_CNTL_DMA_RUN | OHCI_CNTL_CYCMATCH_S);
1372 1.89 kiyohara OWRITE(sc, OHCI_IT_MASKCLR, 1 << dmach);
1373 1.89 kiyohara OWRITE(sc, OHCI_IT_STATCLR, 1 << dmach);
1374 1.89 kiyohara /* XXX we cannot free buffers until the DMA really stops */
1375 1.89 kiyohara tsleep((void *)&sleepch, FWPRI, "fwitxd", hz);
1376 1.89 kiyohara fwohci_db_free(&sc->it[dmach]);
1377 1.89 kiyohara sc->it[dmach].xferq.flag &= ~FWXFERQ_RUNNING;
1378 1.89 kiyohara return 0;
1379 1.5 matt }
1380 1.5 matt
1381 1.89 kiyohara static int
1382 1.89 kiyohara fwohci_irx_disable(struct firewire_comm *fc, int dmach)
1383 1.3 onoe {
1384 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
1385 1.89 kiyohara int sleepch;
1386 1.3 onoe
1387 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(dmach), OHCI_CNTL_DMA_RUN);
1388 1.89 kiyohara OWRITE(sc, OHCI_IR_MASKCLR, 1 << dmach);
1389 1.89 kiyohara OWRITE(sc, OHCI_IR_STATCLR, 1 << dmach);
1390 1.89 kiyohara /* XXX we cannot free buffers until the DMA really stops */
1391 1.89 kiyohara tsleep((void *)&sleepch, FWPRI, "fwirxd", hz);
1392 1.89 kiyohara fwohci_db_free(&sc->ir[dmach]);
1393 1.89 kiyohara sc->ir[dmach].xferq.flag &= ~FWXFERQ_RUNNING;
1394 1.89 kiyohara return 0;
1395 1.89 kiyohara }
1396 1.3 onoe
1397 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
1398 1.89 kiyohara static void
1399 1.89 kiyohara fwohci_irx_post (struct firewire_comm *fc , uint32_t *qld)
1400 1.89 kiyohara {
1401 1.89 kiyohara qld[0] = FWOHCI_DMA_READ(qld[0]);
1402 1.89 kiyohara return;
1403 1.3 onoe }
1404 1.89 kiyohara #endif
1405 1.3 onoe
1406 1.89 kiyohara static int
1407 1.89 kiyohara fwohci_tx_enable(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
1408 1.7 onoe {
1409 1.89 kiyohara int err = 0;
1410 1.89 kiyohara int idb, z, i, dmach = 0, ldesc;
1411 1.89 kiyohara uint32_t off = 0;
1412 1.89 kiyohara struct fwohcidb_tr *db_tr;
1413 1.89 kiyohara struct fwohcidb *db;
1414 1.7 onoe
1415 1.89 kiyohara if(!(dbch->xferq.flag & FWXFERQ_EXTBUF)){
1416 1.89 kiyohara err = EINVAL;
1417 1.89 kiyohara return err;
1418 1.89 kiyohara }
1419 1.89 kiyohara z = dbch->ndesc;
1420 1.89 kiyohara for(dmach = 0 ; dmach < sc->fc.nisodma ; dmach++){
1421 1.89 kiyohara if( &sc->it[dmach] == dbch){
1422 1.89 kiyohara off = OHCI_ITOFF(dmach);
1423 1.7 onoe break;
1424 1.89 kiyohara }
1425 1.7 onoe }
1426 1.89 kiyohara if(off == 0){
1427 1.89 kiyohara err = EINVAL;
1428 1.89 kiyohara return err;
1429 1.89 kiyohara }
1430 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING)
1431 1.89 kiyohara return err;
1432 1.89 kiyohara dbch->xferq.flag |= FWXFERQ_RUNNING;
1433 1.89 kiyohara for( i = 0, dbch->bottom = dbch->top; i < (dbch->ndb - 1); i++){
1434 1.89 kiyohara dbch->bottom = STAILQ_NEXT(dbch->bottom, link);
1435 1.89 kiyohara }
1436 1.89 kiyohara db_tr = dbch->top;
1437 1.89 kiyohara for (idb = 0; idb < dbch->ndb; idb ++) {
1438 1.89 kiyohara fwohci_add_tx_buf(dbch, db_tr, idb);
1439 1.89 kiyohara if(STAILQ_NEXT(db_tr, link) == NULL){
1440 1.89 kiyohara break;
1441 1.89 kiyohara }
1442 1.89 kiyohara db = db_tr->db;
1443 1.89 kiyohara ldesc = db_tr->dbcnt - 1;
1444 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.depend,
1445 1.89 kiyohara STAILQ_NEXT(db_tr, link)->bus_addr | z);
1446 1.89 kiyohara db[ldesc].db.desc.depend = db[0].db.desc.depend;
1447 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_EXTBUF){
1448 1.89 kiyohara if(((idb + 1 ) % dbch->xferq.bnpacket) == 0){
1449 1.89 kiyohara FWOHCI_DMA_SET(
1450 1.89 kiyohara db[ldesc].db.desc.cmd,
1451 1.89 kiyohara OHCI_INTERRUPT_ALWAYS);
1452 1.89 kiyohara /* OHCI 1.1 and above */
1453 1.89 kiyohara FWOHCI_DMA_SET(
1454 1.89 kiyohara db[0].db.desc.cmd,
1455 1.89 kiyohara OHCI_INTERRUPT_ALWAYS);
1456 1.89 kiyohara }
1457 1.89 kiyohara }
1458 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link);
1459 1.89 kiyohara }
1460 1.89 kiyohara FWOHCI_DMA_CLEAR(
1461 1.89 kiyohara dbch->bottom->db[dbch->bottom->dbcnt - 1].db.desc.depend, 0xf);
1462 1.89 kiyohara return err;
1463 1.89 kiyohara }
1464 1.7 onoe
1465 1.89 kiyohara static int
1466 1.89 kiyohara fwohci_rx_enable(struct fwohci_softc *sc, struct fwohci_dbch *dbch)
1467 1.89 kiyohara {
1468 1.89 kiyohara int err = 0;
1469 1.89 kiyohara int idb, z, i, dmach = 0, ldesc;
1470 1.89 kiyohara uint32_t off = 0;
1471 1.89 kiyohara struct fwohcidb_tr *db_tr;
1472 1.89 kiyohara struct fwohcidb *db;
1473 1.89 kiyohara
1474 1.89 kiyohara z = dbch->ndesc;
1475 1.89 kiyohara if(&sc->arrq == dbch){
1476 1.89 kiyohara off = OHCI_ARQOFF;
1477 1.89 kiyohara }else if(&sc->arrs == dbch){
1478 1.89 kiyohara off = OHCI_ARSOFF;
1479 1.89 kiyohara }else{
1480 1.89 kiyohara for(dmach = 0 ; dmach < sc->fc.nisodma ; dmach++){
1481 1.89 kiyohara if( &sc->ir[dmach] == dbch){
1482 1.89 kiyohara off = OHCI_IROFF(dmach);
1483 1.89 kiyohara break;
1484 1.89 kiyohara }
1485 1.89 kiyohara }
1486 1.89 kiyohara }
1487 1.89 kiyohara if(off == 0){
1488 1.89 kiyohara err = EINVAL;
1489 1.89 kiyohara return err;
1490 1.89 kiyohara }
1491 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_STREAM){
1492 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING)
1493 1.89 kiyohara return err;
1494 1.89 kiyohara }else{
1495 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING){
1496 1.89 kiyohara err = EBUSY;
1497 1.89 kiyohara return err;
1498 1.89 kiyohara }
1499 1.89 kiyohara }
1500 1.89 kiyohara dbch->xferq.flag |= FWXFERQ_RUNNING;
1501 1.89 kiyohara dbch->top = STAILQ_FIRST(&dbch->db_trq);
1502 1.89 kiyohara for( i = 0, dbch->bottom = dbch->top; i < (dbch->ndb - 1); i++){
1503 1.89 kiyohara dbch->bottom = STAILQ_NEXT(dbch->bottom, link);
1504 1.89 kiyohara }
1505 1.89 kiyohara db_tr = dbch->top;
1506 1.89 kiyohara for (idb = 0; idb < dbch->ndb; idb ++) {
1507 1.89 kiyohara fwohci_add_rx_buf(dbch, db_tr, idb, &sc->dummy_dma);
1508 1.89 kiyohara if (STAILQ_NEXT(db_tr, link) == NULL)
1509 1.89 kiyohara break;
1510 1.89 kiyohara db = db_tr->db;
1511 1.89 kiyohara ldesc = db_tr->dbcnt - 1;
1512 1.89 kiyohara FWOHCI_DMA_WRITE(db[ldesc].db.desc.depend,
1513 1.89 kiyohara STAILQ_NEXT(db_tr, link)->bus_addr | z);
1514 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_EXTBUF){
1515 1.89 kiyohara if(((idb + 1 ) % dbch->xferq.bnpacket) == 0){
1516 1.89 kiyohara FWOHCI_DMA_SET(
1517 1.89 kiyohara db[ldesc].db.desc.cmd,
1518 1.89 kiyohara OHCI_INTERRUPT_ALWAYS);
1519 1.89 kiyohara FWOHCI_DMA_CLEAR(
1520 1.89 kiyohara db[ldesc].db.desc.depend,
1521 1.89 kiyohara 0xf);
1522 1.89 kiyohara }
1523 1.89 kiyohara }
1524 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link);
1525 1.89 kiyohara }
1526 1.89 kiyohara FWOHCI_DMA_CLEAR(
1527 1.89 kiyohara dbch->bottom->db[db_tr->dbcnt - 1].db.desc.depend, 0xf);
1528 1.89 kiyohara dbch->buf_offset = 0;
1529 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_STREAM){
1530 1.89 kiyohara return err;
1531 1.89 kiyohara }else{
1532 1.89 kiyohara OWRITE(sc, OHCI_DMACMD(off), dbch->top->bus_addr | z);
1533 1.89 kiyohara }
1534 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_RUN);
1535 1.89 kiyohara return err;
1536 1.89 kiyohara }
1537 1.7 onoe
1538 1.89 kiyohara static int
1539 1.89 kiyohara fwohci_next_cycle(struct firewire_comm *fc, int cycle_now)
1540 1.89 kiyohara {
1541 1.89 kiyohara int sec, cycle, cycle_match;
1542 1.89 kiyohara
1543 1.89 kiyohara cycle = cycle_now & 0x1fff;
1544 1.89 kiyohara sec = cycle_now >> 13;
1545 1.89 kiyohara #define CYCLE_MOD 0x10
1546 1.89 kiyohara #if 1
1547 1.89 kiyohara #define CYCLE_DELAY 8 /* min delay to start DMA */
1548 1.7 onoe #else
1549 1.89 kiyohara #define CYCLE_DELAY 7000 /* min delay to start DMA */
1550 1.7 onoe #endif
1551 1.89 kiyohara cycle = cycle + CYCLE_DELAY;
1552 1.89 kiyohara if (cycle >= 8000) {
1553 1.89 kiyohara sec ++;
1554 1.89 kiyohara cycle -= 8000;
1555 1.89 kiyohara }
1556 1.89 kiyohara cycle = roundup2(cycle, CYCLE_MOD);
1557 1.89 kiyohara if (cycle >= 8000) {
1558 1.89 kiyohara sec ++;
1559 1.89 kiyohara if (cycle == 8000)
1560 1.89 kiyohara cycle = 0;
1561 1.89 kiyohara else
1562 1.89 kiyohara cycle = CYCLE_MOD;
1563 1.89 kiyohara }
1564 1.89 kiyohara cycle_match = ((sec << 13) | cycle) & 0x7ffff;
1565 1.89 kiyohara
1566 1.89 kiyohara return(cycle_match);
1567 1.89 kiyohara }
1568 1.89 kiyohara
1569 1.89 kiyohara static int
1570 1.89 kiyohara fwohci_itxbuf_enable(struct firewire_comm *fc, int dmach)
1571 1.89 kiyohara {
1572 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
1573 1.89 kiyohara int err = 0;
1574 1.89 kiyohara unsigned short tag, ich;
1575 1.89 kiyohara struct fwohci_dbch *dbch;
1576 1.89 kiyohara int cycle_match, cycle_now, s, ldesc;
1577 1.89 kiyohara uint32_t stat;
1578 1.89 kiyohara struct fw_bulkxfer *first, *chunk, *prev;
1579 1.89 kiyohara struct fw_xferq *it;
1580 1.89 kiyohara
1581 1.89 kiyohara dbch = &sc->it[dmach];
1582 1.89 kiyohara it = &dbch->xferq;
1583 1.89 kiyohara
1584 1.89 kiyohara tag = (it->flag >> 6) & 3;
1585 1.89 kiyohara ich = it->flag & 0x3f;
1586 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0) {
1587 1.89 kiyohara dbch->ndb = it->bnpacket * it->bnchunk;
1588 1.89 kiyohara dbch->ndesc = 3;
1589 1.89 kiyohara fwohci_db_init(sc, dbch);
1590 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0)
1591 1.89 kiyohara return ENOMEM;
1592 1.89 kiyohara err = fwohci_tx_enable(sc, dbch);
1593 1.89 kiyohara }
1594 1.89 kiyohara if(err)
1595 1.89 kiyohara return err;
1596 1.89 kiyohara
1597 1.89 kiyohara ldesc = dbch->ndesc - 1;
1598 1.89 kiyohara s = splfw();
1599 1.89 kiyohara prev = STAILQ_LAST(&it->stdma, fw_bulkxfer, link);
1600 1.89 kiyohara while ((chunk = STAILQ_FIRST(&it->stvalid)) != NULL) {
1601 1.89 kiyohara struct fwohcidb *db;
1602 1.89 kiyohara
1603 1.89 kiyohara fwdma_sync_multiseg(it->buf, chunk->poffset, it->bnpacket,
1604 1.89 kiyohara BUS_DMASYNC_PREWRITE);
1605 1.89 kiyohara fwohci_txbufdb(sc, dmach, chunk);
1606 1.89 kiyohara if (prev != NULL) {
1607 1.89 kiyohara db = ((struct fwohcidb_tr *)(prev->end))->db;
1608 1.89 kiyohara #if 0 /* XXX necessary? */
1609 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.cmd,
1610 1.89 kiyohara OHCI_BRANCH_ALWAYS);
1611 1.89 kiyohara #endif
1612 1.89 kiyohara #if 0 /* if bulkxfer->npacket changes */
1613 1.89 kiyohara db[ldesc].db.desc.depend = db[0].db.desc.depend =
1614 1.89 kiyohara ((struct fwohcidb_tr *)
1615 1.89 kiyohara (chunk->start))->bus_addr | dbch->ndesc;
1616 1.89 kiyohara #else
1617 1.89 kiyohara FWOHCI_DMA_SET(db[0].db.desc.depend, dbch->ndesc);
1618 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.depend, dbch->ndesc);
1619 1.89 kiyohara #endif
1620 1.89 kiyohara }
1621 1.89 kiyohara STAILQ_REMOVE_HEAD(&it->stvalid, link);
1622 1.89 kiyohara STAILQ_INSERT_TAIL(&it->stdma, chunk, link);
1623 1.89 kiyohara prev = chunk;
1624 1.89 kiyohara }
1625 1.89 kiyohara splx(s);
1626 1.89 kiyohara stat = OREAD(sc, OHCI_ITCTL(dmach));
1627 1.89 kiyohara if (firewire_debug && (stat & OHCI_CNTL_CYCMATCH_S))
1628 1.89 kiyohara printf("stat 0x%x\n", stat);
1629 1.89 kiyohara
1630 1.89 kiyohara if (stat & (OHCI_CNTL_DMA_ACTIVE | OHCI_CNTL_CYCMATCH_S))
1631 1.89 kiyohara return 0;
1632 1.89 kiyohara
1633 1.89 kiyohara #if 0
1634 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(dmach), OHCI_CNTL_DMA_RUN);
1635 1.89 kiyohara #endif
1636 1.89 kiyohara OWRITE(sc, OHCI_IT_MASKCLR, 1 << dmach);
1637 1.89 kiyohara OWRITE(sc, OHCI_IT_STATCLR, 1 << dmach);
1638 1.89 kiyohara OWRITE(sc, OHCI_IT_MASK, 1 << dmach);
1639 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_DMA_IT);
1640 1.89 kiyohara
1641 1.89 kiyohara first = STAILQ_FIRST(&it->stdma);
1642 1.89 kiyohara OWRITE(sc, OHCI_ITCMD(dmach),
1643 1.89 kiyohara ((struct fwohcidb_tr *)(first->start))->bus_addr | dbch->ndesc);
1644 1.89 kiyohara if (firewire_debug > 1) {
1645 1.89 kiyohara printf("fwohci_itxbuf_enable: kick 0x%08x\n", stat);
1646 1.89 kiyohara #if 1
1647 1.89 kiyohara dump_dma(sc, ITX_CH + dmach);
1648 1.89 kiyohara #endif
1649 1.89 kiyohara }
1650 1.89 kiyohara if ((stat & OHCI_CNTL_DMA_RUN) == 0) {
1651 1.89 kiyohara #if 1
1652 1.89 kiyohara /* Don't start until all chunks are buffered */
1653 1.89 kiyohara if (STAILQ_FIRST(&it->stfree) != NULL)
1654 1.89 kiyohara goto out;
1655 1.89 kiyohara #endif
1656 1.89 kiyohara #if 1
1657 1.89 kiyohara /* Clear cycle match counter bits */
1658 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(dmach), 0xffff0000);
1659 1.89 kiyohara
1660 1.89 kiyohara /* 2bit second + 13bit cycle */
1661 1.89 kiyohara cycle_now = (fc->cyctimer(fc) >> 12) & 0x7fff;
1662 1.89 kiyohara cycle_match = fwohci_next_cycle(fc, cycle_now);
1663 1.89 kiyohara
1664 1.89 kiyohara OWRITE(sc, OHCI_ITCTL(dmach),
1665 1.89 kiyohara OHCI_CNTL_CYCMATCH_S | (cycle_match << 16)
1666 1.89 kiyohara | OHCI_CNTL_DMA_RUN);
1667 1.89 kiyohara #else
1668 1.89 kiyohara OWRITE(sc, OHCI_ITCTL(dmach), OHCI_CNTL_DMA_RUN);
1669 1.89 kiyohara #endif
1670 1.89 kiyohara if (firewire_debug > 1) {
1671 1.89 kiyohara printf("cycle_match: 0x%04x->0x%04x\n",
1672 1.89 kiyohara cycle_now, cycle_match);
1673 1.89 kiyohara dump_dma(sc, ITX_CH + dmach);
1674 1.89 kiyohara dump_db(sc, ITX_CH + dmach);
1675 1.89 kiyohara }
1676 1.89 kiyohara } else if ((stat & OHCI_CNTL_CYCMATCH_S) == 0) {
1677 1.89 kiyohara device_printf(sc->fc.dev,
1678 1.89 kiyohara "IT DMA underrun (0x%08x)\n", stat);
1679 1.89 kiyohara OWRITE(sc, OHCI_ITCTL(dmach), OHCI_CNTL_DMA_WAKE);
1680 1.89 kiyohara }
1681 1.89 kiyohara out:
1682 1.89 kiyohara return err;
1683 1.89 kiyohara }
1684 1.7 onoe
1685 1.89 kiyohara static int
1686 1.89 kiyohara fwohci_irx_enable(struct firewire_comm *fc, int dmach)
1687 1.89 kiyohara {
1688 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc;
1689 1.89 kiyohara int err = 0, s, ldesc;
1690 1.89 kiyohara unsigned short tag, ich;
1691 1.89 kiyohara uint32_t stat;
1692 1.89 kiyohara struct fwohci_dbch *dbch;
1693 1.89 kiyohara struct fwohcidb_tr *db_tr;
1694 1.89 kiyohara struct fw_bulkxfer *first, *prev, *chunk;
1695 1.89 kiyohara struct fw_xferq *ir;
1696 1.89 kiyohara
1697 1.89 kiyohara dbch = &sc->ir[dmach];
1698 1.89 kiyohara ir = &dbch->xferq;
1699 1.89 kiyohara
1700 1.89 kiyohara if ((ir->flag & FWXFERQ_RUNNING) == 0) {
1701 1.89 kiyohara tag = (ir->flag >> 6) & 3;
1702 1.89 kiyohara ich = ir->flag & 0x3f;
1703 1.89 kiyohara OWRITE(sc, OHCI_IRMATCH(dmach), tagbit[tag] | ich);
1704 1.89 kiyohara
1705 1.89 kiyohara ir->queued = 0;
1706 1.89 kiyohara dbch->ndb = ir->bnpacket * ir->bnchunk;
1707 1.89 kiyohara dbch->ndesc = 2;
1708 1.89 kiyohara fwohci_db_init(sc, dbch);
1709 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0)
1710 1.89 kiyohara return ENOMEM;
1711 1.89 kiyohara err = fwohci_rx_enable(sc, dbch);
1712 1.89 kiyohara }
1713 1.89 kiyohara if(err)
1714 1.89 kiyohara return err;
1715 1.89 kiyohara
1716 1.89 kiyohara first = STAILQ_FIRST(&ir->stfree);
1717 1.89 kiyohara if (first == NULL) {
1718 1.89 kiyohara device_printf(fc->dev, "IR DMA no free chunk\n");
1719 1.89 kiyohara return 0;
1720 1.89 kiyohara }
1721 1.7 onoe
1722 1.89 kiyohara ldesc = dbch->ndesc - 1;
1723 1.89 kiyohara s = splfw();
1724 1.89 kiyohara prev = STAILQ_LAST(&ir->stdma, fw_bulkxfer, link);
1725 1.89 kiyohara while ((chunk = STAILQ_FIRST(&ir->stfree)) != NULL) {
1726 1.89 kiyohara struct fwohcidb *db;
1727 1.89 kiyohara
1728 1.89 kiyohara #if 1 /* XXX for if_fwe */
1729 1.89 kiyohara if (chunk->mbuf != NULL) {
1730 1.89 kiyohara db_tr = (struct fwohcidb_tr *)(chunk->start);
1731 1.89 kiyohara db_tr->dbcnt = 1;
1732 1.89 kiyohara err = fw_bus_dmamap_load_mbuf(
1733 1.89 kiyohara dbch->dmat, db_tr->dma_map,
1734 1.89 kiyohara chunk->mbuf, fwohci_execute_db2, db_tr,
1735 1.89 kiyohara BUS_DMA_WAITOK);
1736 1.89 kiyohara FWOHCI_DMA_SET(db_tr->db[1].db.desc.cmd,
1737 1.89 kiyohara OHCI_UPDATE | OHCI_INPUT_LAST |
1738 1.89 kiyohara OHCI_INTERRUPT_ALWAYS | OHCI_BRANCH_ALWAYS);
1739 1.89 kiyohara }
1740 1.89 kiyohara #endif
1741 1.89 kiyohara db = ((struct fwohcidb_tr *)(chunk->end))->db;
1742 1.89 kiyohara FWOHCI_DMA_WRITE(db[ldesc].db.desc.res, 0);
1743 1.89 kiyohara FWOHCI_DMA_CLEAR(db[ldesc].db.desc.depend, 0xf);
1744 1.89 kiyohara if (prev != NULL) {
1745 1.89 kiyohara db = ((struct fwohcidb_tr *)(prev->end))->db;
1746 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.depend, dbch->ndesc);
1747 1.89 kiyohara }
1748 1.89 kiyohara STAILQ_REMOVE_HEAD(&ir->stfree, link);
1749 1.89 kiyohara STAILQ_INSERT_TAIL(&ir->stdma, chunk, link);
1750 1.89 kiyohara prev = chunk;
1751 1.89 kiyohara }
1752 1.89 kiyohara splx(s);
1753 1.89 kiyohara stat = OREAD(sc, OHCI_IRCTL(dmach));
1754 1.89 kiyohara if (stat & OHCI_CNTL_DMA_ACTIVE)
1755 1.89 kiyohara return 0;
1756 1.89 kiyohara if (stat & OHCI_CNTL_DMA_RUN) {
1757 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(dmach), OHCI_CNTL_DMA_RUN);
1758 1.89 kiyohara device_printf(sc->fc.dev, "IR DMA overrun (0x%08x)\n", stat);
1759 1.89 kiyohara }
1760 1.89 kiyohara
1761 1.89 kiyohara if (firewire_debug)
1762 1.89 kiyohara printf("start IR DMA 0x%x\n", stat);
1763 1.89 kiyohara OWRITE(sc, OHCI_IR_MASKCLR, 1 << dmach);
1764 1.89 kiyohara OWRITE(sc, OHCI_IR_STATCLR, 1 << dmach);
1765 1.89 kiyohara OWRITE(sc, OHCI_IR_MASK, 1 << dmach);
1766 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(dmach), 0xf0000000);
1767 1.89 kiyohara OWRITE(sc, OHCI_IRCTL(dmach), OHCI_CNTL_ISOHDR);
1768 1.89 kiyohara OWRITE(sc, OHCI_IRCMD(dmach),
1769 1.89 kiyohara ((struct fwohcidb_tr *)(first->start))->bus_addr
1770 1.89 kiyohara | dbch->ndesc);
1771 1.89 kiyohara OWRITE(sc, OHCI_IRCTL(dmach), OHCI_CNTL_DMA_RUN);
1772 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_DMA_IR);
1773 1.89 kiyohara #if 0
1774 1.89 kiyohara dump_db(sc, IRX_CH + dmach);
1775 1.22 enami #endif
1776 1.89 kiyohara return err;
1777 1.89 kiyohara }
1778 1.89 kiyohara
1779 1.89 kiyohara FWOHCI_STOP()
1780 1.89 kiyohara {
1781 1.89 kiyohara FWOHCI_STOP_START;
1782 1.89 kiyohara u_int i;
1783 1.89 kiyohara
1784 1.89 kiyohara /* Now stopping all DMA channel */
1785 1.89 kiyohara OWRITE(sc, OHCI_ARQCTLCLR, OHCI_CNTL_DMA_RUN);
1786 1.89 kiyohara OWRITE(sc, OHCI_ARSCTLCLR, OHCI_CNTL_DMA_RUN);
1787 1.89 kiyohara OWRITE(sc, OHCI_ATQCTLCLR, OHCI_CNTL_DMA_RUN);
1788 1.89 kiyohara OWRITE(sc, OHCI_ATSCTLCLR, OHCI_CNTL_DMA_RUN);
1789 1.89 kiyohara
1790 1.89 kiyohara for( i = 0 ; i < sc->fc.nisodma ; i ++ ){
1791 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(i), OHCI_CNTL_DMA_RUN);
1792 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(i), OHCI_CNTL_DMA_RUN);
1793 1.89 kiyohara }
1794 1.89 kiyohara
1795 1.89 kiyohara /* FLUSH FIFO and reset Transmitter/Reciever */
1796 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_RESET);
1797 1.7 onoe
1798 1.89 kiyohara /* Stop interrupt */
1799 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR,
1800 1.89 kiyohara OHCI_INT_EN | OHCI_INT_ERR | OHCI_INT_PHY_SID
1801 1.89 kiyohara | OHCI_INT_PHY_INT
1802 1.89 kiyohara | OHCI_INT_DMA_ATRQ | OHCI_INT_DMA_ATRS
1803 1.89 kiyohara | OHCI_INT_DMA_PRRQ | OHCI_INT_DMA_PRRS
1804 1.89 kiyohara | OHCI_INT_DMA_ARRQ | OHCI_INT_DMA_ARRS
1805 1.89 kiyohara | OHCI_INT_PHY_BUS_R);
1806 1.7 onoe
1807 1.89 kiyohara if (sc->fc.arq !=0 && sc->fc.arq->maxq > 0)
1808 1.89 kiyohara fw_drain_txq(&sc->fc);
1809 1.7 onoe
1810 1.89 kiyohara /* XXX Link down? Bus reset? */
1811 1.89 kiyohara FWOHCI_STOP_RETURN(0);
1812 1.7 onoe }
1813 1.7 onoe
1814 1.89 kiyohara #if defined(__NetBSD__)
1815 1.7 onoe static void
1816 1.7 onoe fwohci_power(int why, void *arg)
1817 1.7 onoe {
1818 1.7 onoe struct fwohci_softc *sc = arg;
1819 1.7 onoe int s;
1820 1.7 onoe
1821 1.24 jmc s = splbio();
1822 1.10 takemura switch (why) {
1823 1.95 kiyohara case PWR_SUSPEND:
1824 1.95 kiyohara case PWR_STANDBY:
1825 1.89 kiyohara fwohci_stop(arg);
1826 1.10 takemura break;
1827 1.10 takemura case PWR_RESUME:
1828 1.89 kiyohara fwohci_resume(sc, sc->fc.dev);
1829 1.10 takemura break;
1830 1.10 takemura case PWR_SOFTSUSPEND:
1831 1.10 takemura case PWR_SOFTSTANDBY:
1832 1.10 takemura case PWR_SOFTRESUME:
1833 1.10 takemura break;
1834 1.7 onoe }
1835 1.7 onoe splx(s);
1836 1.7 onoe }
1837 1.89 kiyohara #endif
1838 1.7 onoe
1839 1.89 kiyohara int
1840 1.89 kiyohara fwohci_resume(struct fwohci_softc *sc, device_t dev)
1841 1.7 onoe {
1842 1.89 kiyohara int i;
1843 1.89 kiyohara struct fw_xferq *ir;
1844 1.89 kiyohara struct fw_bulkxfer *chunk;
1845 1.7 onoe
1846 1.89 kiyohara fwohci_reset(sc, dev);
1847 1.89 kiyohara /* XXX resume isochronous receive automatically. (how about TX?) */
1848 1.89 kiyohara for(i = 0; i < sc->fc.nisodma; i ++) {
1849 1.89 kiyohara ir = &sc->ir[i].xferq;
1850 1.89 kiyohara if((ir->flag & FWXFERQ_RUNNING) != 0) {
1851 1.89 kiyohara device_printf(sc->fc.dev,
1852 1.89 kiyohara "resume iso receive ch: %d\n", i);
1853 1.89 kiyohara ir->flag &= ~FWXFERQ_RUNNING;
1854 1.89 kiyohara /* requeue stdma to stfree */
1855 1.89 kiyohara while((chunk = STAILQ_FIRST(&ir->stdma)) != NULL) {
1856 1.89 kiyohara STAILQ_REMOVE_HEAD(&ir->stdma, link);
1857 1.89 kiyohara STAILQ_INSERT_TAIL(&ir->stfree, chunk, link);
1858 1.89 kiyohara }
1859 1.89 kiyohara sc->fc.irx_enable(&sc->fc, i);
1860 1.89 kiyohara }
1861 1.89 kiyohara }
1862 1.89 kiyohara
1863 1.89 kiyohara #if defined(__FreeBSD__)
1864 1.89 kiyohara bus_generic_resume(dev);
1865 1.89 kiyohara #endif
1866 1.89 kiyohara sc->fc.ibr(&sc->fc);
1867 1.89 kiyohara return 0;
1868 1.89 kiyohara }
1869 1.89 kiyohara
1870 1.89 kiyohara #define ACK_ALL
1871 1.89 kiyohara static void
1872 1.89 kiyohara fwohci_intr_body(struct fwohci_softc *sc, uint32_t stat, int count)
1873 1.89 kiyohara {
1874 1.89 kiyohara uint32_t irstat, itstat;
1875 1.89 kiyohara u_int i;
1876 1.89 kiyohara struct firewire_comm *fc = (struct firewire_comm *)sc;
1877 1.89 kiyohara
1878 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr_body");
1879 1.89 kiyohara #ifdef OHCI_DEBUG
1880 1.89 kiyohara if(stat & OREAD(sc, FWOHCI_INTMASK))
1881 1.89 kiyohara device_printf(fc->dev, "INTERRUPT < %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s> 0x%08x, 0x%08x\n",
1882 1.89 kiyohara stat & OHCI_INT_EN ? "DMA_EN ":"",
1883 1.89 kiyohara stat & OHCI_INT_PHY_REG ? "PHY_REG ":"",
1884 1.89 kiyohara stat & OHCI_INT_CYC_LONG ? "CYC_LONG ":"",
1885 1.89 kiyohara stat & OHCI_INT_ERR ? "INT_ERR ":"",
1886 1.89 kiyohara stat & OHCI_INT_CYC_ERR ? "CYC_ERR ":"",
1887 1.89 kiyohara stat & OHCI_INT_CYC_LOST ? "CYC_LOST ":"",
1888 1.89 kiyohara stat & OHCI_INT_CYC_64SECOND ? "CYC_64SECOND ":"",
1889 1.89 kiyohara stat & OHCI_INT_CYC_START ? "CYC_START ":"",
1890 1.89 kiyohara stat & OHCI_INT_PHY_INT ? "PHY_INT ":"",
1891 1.89 kiyohara stat & OHCI_INT_PHY_BUS_R ? "BUS_RESET ":"",
1892 1.89 kiyohara stat & OHCI_INT_PHY_SID ? "SID ":"",
1893 1.89 kiyohara stat & OHCI_INT_LR_ERR ? "DMA_LR_ERR ":"",
1894 1.89 kiyohara stat & OHCI_INT_PW_ERR ? "DMA_PW_ERR ":"",
1895 1.89 kiyohara stat & OHCI_INT_DMA_IR ? "DMA_IR ":"",
1896 1.89 kiyohara stat & OHCI_INT_DMA_IT ? "DMA_IT " :"",
1897 1.89 kiyohara stat & OHCI_INT_DMA_PRRS ? "DMA_PRRS " :"",
1898 1.89 kiyohara stat & OHCI_INT_DMA_PRRQ ? "DMA_PRRQ " :"",
1899 1.89 kiyohara stat & OHCI_INT_DMA_ARRS ? "DMA_ARRS " :"",
1900 1.89 kiyohara stat & OHCI_INT_DMA_ARRQ ? "DMA_ARRQ " :"",
1901 1.89 kiyohara stat & OHCI_INT_DMA_ATRS ? "DMA_ATRS " :"",
1902 1.89 kiyohara stat & OHCI_INT_DMA_ATRQ ? "DMA_ATRQ " :"",
1903 1.89 kiyohara stat, OREAD(sc, FWOHCI_INTMASK)
1904 1.89 kiyohara );
1905 1.89 kiyohara #endif
1906 1.89 kiyohara /* Bus reset */
1907 1.89 kiyohara if(stat & OHCI_INT_PHY_BUS_R ){
1908 1.89 kiyohara if (fc->status == FWBUSRESET)
1909 1.89 kiyohara goto busresetout;
1910 1.89 kiyohara /* Disable bus reset interrupt until sid recv. */
1911 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_PHY_BUS_R);
1912 1.89 kiyohara
1913 1.89 kiyohara device_printf(fc->dev, "BUS reset\n");
1914 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_CYC_LOST);
1915 1.89 kiyohara OWRITE(sc, OHCI_LNKCTLCLR, OHCI_CNTL_CYCSRC);
1916 1.89 kiyohara
1917 1.89 kiyohara OWRITE(sc, OHCI_ATQCTLCLR, OHCI_CNTL_DMA_RUN);
1918 1.89 kiyohara sc->atrq.xferq.flag &= ~FWXFERQ_RUNNING;
1919 1.89 kiyohara OWRITE(sc, OHCI_ATSCTLCLR, OHCI_CNTL_DMA_RUN);
1920 1.89 kiyohara sc->atrs.xferq.flag &= ~FWXFERQ_RUNNING;
1921 1.89 kiyohara
1922 1.89 kiyohara #ifndef ACK_ALL
1923 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PHY_BUS_R);
1924 1.89 kiyohara #endif
1925 1.89 kiyohara fw_busreset(fc);
1926 1.89 kiyohara OWRITE(sc, OHCI_CROMHDR, ntohl(sc->fc.config_rom[0]));
1927 1.89 kiyohara OWRITE(sc, OHCI_BUS_OPT, ntohl(sc->fc.config_rom[2]));
1928 1.89 kiyohara }
1929 1.89 kiyohara busresetout:
1930 1.89 kiyohara if((stat & OHCI_INT_DMA_IR )){
1931 1.89 kiyohara #ifndef ACK_ALL
1932 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_IR);
1933 1.89 kiyohara #endif
1934 1.89 kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500000 || defined(__NetBSD__)
1935 1.89 kiyohara irstat = sc->irstat;
1936 1.89 kiyohara sc->irstat = 0;
1937 1.89 kiyohara #else
1938 1.89 kiyohara irstat = atomic_readandclear_int(&sc->irstat);
1939 1.89 kiyohara #endif
1940 1.89 kiyohara for(i = 0; i < fc->nisodma ; i++){
1941 1.89 kiyohara struct fwohci_dbch *dbch;
1942 1.7 onoe
1943 1.89 kiyohara if((irstat & (1 << i)) != 0){
1944 1.89 kiyohara dbch = &sc->ir[i];
1945 1.89 kiyohara if ((dbch->xferq.flag & FWXFERQ_OPEN) == 0) {
1946 1.89 kiyohara device_printf(sc->fc.dev,
1947 1.89 kiyohara "dma(%d) not active\n", i);
1948 1.89 kiyohara continue;
1949 1.89 kiyohara }
1950 1.89 kiyohara fwohci_rbuf_update(sc, i);
1951 1.89 kiyohara }
1952 1.89 kiyohara }
1953 1.89 kiyohara }
1954 1.89 kiyohara if((stat & OHCI_INT_DMA_IT )){
1955 1.89 kiyohara #ifndef ACK_ALL
1956 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_IT);
1957 1.89 kiyohara #endif
1958 1.89 kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500000 || defined(__NetBSD__)
1959 1.89 kiyohara itstat = sc->itstat;
1960 1.89 kiyohara sc->itstat = 0;
1961 1.89 kiyohara #else
1962 1.89 kiyohara itstat = atomic_readandclear_int(&sc->itstat);
1963 1.89 kiyohara #endif
1964 1.89 kiyohara for(i = 0; i < fc->nisodma ; i++){
1965 1.89 kiyohara if((itstat & (1 << i)) != 0){
1966 1.89 kiyohara fwohci_tbuf_update(sc, i);
1967 1.89 kiyohara }
1968 1.89 kiyohara }
1969 1.89 kiyohara }
1970 1.89 kiyohara if((stat & OHCI_INT_DMA_PRRS )){
1971 1.89 kiyohara #ifndef ACK_ALL
1972 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_PRRS);
1973 1.89 kiyohara #endif
1974 1.89 kiyohara #if 0
1975 1.89 kiyohara dump_dma(sc, ARRS_CH);
1976 1.89 kiyohara dump_db(sc, ARRS_CH);
1977 1.89 kiyohara #endif
1978 1.89 kiyohara fwohci_arcv(sc, &sc->arrs, count);
1979 1.89 kiyohara }
1980 1.89 kiyohara if((stat & OHCI_INT_DMA_PRRQ )){
1981 1.89 kiyohara #ifndef ACK_ALL
1982 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_PRRQ);
1983 1.89 kiyohara #endif
1984 1.89 kiyohara #if 0
1985 1.89 kiyohara dump_dma(sc, ARRQ_CH);
1986 1.89 kiyohara dump_db(sc, ARRQ_CH);
1987 1.89 kiyohara #endif
1988 1.89 kiyohara fwohci_arcv(sc, &sc->arrq, count);
1989 1.89 kiyohara }
1990 1.89 kiyohara if (stat & OHCI_INT_CYC_LOST) {
1991 1.89 kiyohara if (sc->cycle_lost >= 0)
1992 1.89 kiyohara sc->cycle_lost ++;
1993 1.89 kiyohara if (sc->cycle_lost > 10) {
1994 1.89 kiyohara sc->cycle_lost = -1;
1995 1.89 kiyohara #if 0
1996 1.89 kiyohara OWRITE(sc, OHCI_LNKCTLCLR, OHCI_CNTL_CYCTIMER);
1997 1.89 kiyohara #endif
1998 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_CYC_LOST);
1999 1.89 kiyohara device_printf(fc->dev, "too many cycle lost, "
2000 1.89 kiyohara "no cycle master presents?\n");
2001 1.89 kiyohara }
2002 1.89 kiyohara }
2003 1.89 kiyohara if(stat & OHCI_INT_PHY_SID){
2004 1.89 kiyohara uint32_t *buf, node_id;
2005 1.89 kiyohara int plen;
2006 1.89 kiyohara
2007 1.89 kiyohara #ifndef ACK_ALL
2008 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PHY_SID);
2009 1.89 kiyohara #endif
2010 1.89 kiyohara /* Enable bus reset interrupt */
2011 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_PHY_BUS_R);
2012 1.89 kiyohara /* Allow async. request to us */
2013 1.89 kiyohara OWRITE(sc, OHCI_AREQHI, 1 << 31);
2014 1.89 kiyohara /* XXX insecure ?? */
2015 1.89 kiyohara /* allow from all nodes */
2016 1.89 kiyohara OWRITE(sc, OHCI_PREQHI, 0x7fffffff);
2017 1.89 kiyohara OWRITE(sc, OHCI_PREQLO, 0xffffffff);
2018 1.89 kiyohara /* 0 to 4GB regison */
2019 1.89 kiyohara OWRITE(sc, OHCI_PREQUPPER, 0x10000);
2020 1.89 kiyohara /* Set ATRetries register */
2021 1.89 kiyohara OWRITE(sc, OHCI_ATRETRY, 1<<(13+16) | 0xfff);
2022 1.89 kiyohara /*
2023 1.89 kiyohara ** Checking whether the node is root or not. If root, turn on
2024 1.89 kiyohara ** cycle master.
2025 1.89 kiyohara */
2026 1.89 kiyohara node_id = OREAD(sc, FWOHCI_NODEID);
2027 1.89 kiyohara plen = OREAD(sc, OHCI_SID_CNT);
2028 1.89 kiyohara
2029 1.89 kiyohara device_printf(fc->dev, "node_id=0x%08x, gen=%d, ",
2030 1.89 kiyohara node_id, (plen >> 16) & 0xff);
2031 1.89 kiyohara if (!(node_id & OHCI_NODE_VALID)) {
2032 1.89 kiyohara printf("Bus reset failure\n");
2033 1.89 kiyohara goto sidout;
2034 1.89 kiyohara }
2035 1.89 kiyohara
2036 1.89 kiyohara /* cycle timer */
2037 1.89 kiyohara sc->cycle_lost = 0;
2038 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_CYC_LOST);
2039 1.89 kiyohara if ((node_id & OHCI_NODE_ROOT) && !nocyclemaster) {
2040 1.89 kiyohara printf("CYCLEMASTER mode\n");
2041 1.89 kiyohara OWRITE(sc, OHCI_LNKCTL,
2042 1.89 kiyohara OHCI_CNTL_CYCMTR | OHCI_CNTL_CYCTIMER);
2043 1.89 kiyohara } else {
2044 1.89 kiyohara printf("non CYCLEMASTER mode\n");
2045 1.89 kiyohara OWRITE(sc, OHCI_LNKCTLCLR, OHCI_CNTL_CYCMTR);
2046 1.89 kiyohara OWRITE(sc, OHCI_LNKCTL, OHCI_CNTL_CYCTIMER);
2047 1.89 kiyohara }
2048 1.3 onoe
2049 1.89 kiyohara fc->nodeid = node_id & 0x3f;
2050 1.3 onoe
2051 1.89 kiyohara if (plen & OHCI_SID_ERR) {
2052 1.89 kiyohara device_printf(fc->dev, "SID Error\n");
2053 1.89 kiyohara goto sidout;
2054 1.89 kiyohara }
2055 1.89 kiyohara plen &= OHCI_SID_CNT_MASK;
2056 1.89 kiyohara if (plen < 4 || plen > OHCI_SIDSIZE) {
2057 1.89 kiyohara device_printf(fc->dev, "invalid SID len = %d\n", plen);
2058 1.89 kiyohara goto sidout;
2059 1.89 kiyohara }
2060 1.89 kiyohara plen -= 4; /* chop control info */
2061 1.89 kiyohara buf = (uint32_t *)malloc(OHCI_SIDSIZE, M_FW, M_NOWAIT);
2062 1.89 kiyohara if (buf == NULL) {
2063 1.89 kiyohara device_printf(fc->dev, "malloc failed\n");
2064 1.89 kiyohara goto sidout;
2065 1.89 kiyohara }
2066 1.89 kiyohara for (i = 0; i < plen / 4; i ++)
2067 1.89 kiyohara buf[i] = FWOHCI_DMA_READ(sc->sid_buf[i+1]);
2068 1.89 kiyohara #if defined(__NetBSD__) && defined(macppc)
2069 1.89 kiyohara /* XXX required as bootdisk for macppc. */
2070 1.89 kiyohara delay(500000);
2071 1.89 kiyohara #endif
2072 1.89 kiyohara #if 1 /* XXX needed?? */
2073 1.89 kiyohara /* pending all pre-bus_reset packets */
2074 1.89 kiyohara fwohci_txd(sc, &sc->atrq);
2075 1.89 kiyohara fwohci_txd(sc, &sc->atrs);
2076 1.89 kiyohara fwohci_arcv(sc, &sc->arrs, -1);
2077 1.89 kiyohara fwohci_arcv(sc, &sc->arrq, -1);
2078 1.89 kiyohara fw_drain_txq(fc);
2079 1.89 kiyohara #endif
2080 1.89 kiyohara fw_sidrcv(fc, buf, plen);
2081 1.89 kiyohara free(buf, M_FW);
2082 1.89 kiyohara }
2083 1.89 kiyohara sidout:
2084 1.89 kiyohara if((stat & OHCI_INT_DMA_ATRQ )){
2085 1.89 kiyohara #ifndef ACK_ALL
2086 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_ATRQ);
2087 1.89 kiyohara #endif
2088 1.89 kiyohara fwohci_txd(sc, &(sc->atrq));
2089 1.89 kiyohara }
2090 1.89 kiyohara if((stat & OHCI_INT_DMA_ATRS )){
2091 1.89 kiyohara #ifndef ACK_ALL
2092 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_ATRS);
2093 1.89 kiyohara #endif
2094 1.89 kiyohara fwohci_txd(sc, &(sc->atrs));
2095 1.89 kiyohara }
2096 1.89 kiyohara if((stat & OHCI_INT_PW_ERR )){
2097 1.89 kiyohara #ifndef ACK_ALL
2098 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PW_ERR);
2099 1.89 kiyohara #endif
2100 1.89 kiyohara device_printf(fc->dev, "posted write error\n");
2101 1.89 kiyohara }
2102 1.89 kiyohara if((stat & OHCI_INT_ERR )){
2103 1.89 kiyohara #ifndef ACK_ALL
2104 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_ERR);
2105 1.89 kiyohara #endif
2106 1.89 kiyohara device_printf(fc->dev, "unrecoverable error\n");
2107 1.89 kiyohara }
2108 1.89 kiyohara if((stat & OHCI_INT_PHY_INT)) {
2109 1.89 kiyohara #ifndef ACK_ALL
2110 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PHY_INT);
2111 1.89 kiyohara #endif
2112 1.89 kiyohara device_printf(fc->dev, "phy int\n");
2113 1.3 onoe }
2114 1.7 onoe
2115 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr_body done");
2116 1.89 kiyohara return;
2117 1.3 onoe }
2118 1.3 onoe
2119 1.89 kiyohara #if FWOHCI_TASKQUEUE
2120 1.7 onoe static void
2121 1.89 kiyohara fwohci_complete(void *arg, int pending)
2122 1.7 onoe {
2123 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)arg;
2124 1.89 kiyohara uint32_t stat;
2125 1.7 onoe
2126 1.89 kiyohara again:
2127 1.89 kiyohara stat = atomic_readandclear_int(&sc->intstat);
2128 1.89 kiyohara if (stat) {
2129 1.89 kiyohara FW_LOCK;
2130 1.89 kiyohara fwohci_intr_body(sc, stat, -1);
2131 1.89 kiyohara FW_UNLOCK;
2132 1.89 kiyohara } else
2133 1.89 kiyohara return;
2134 1.89 kiyohara goto again;
2135 1.7 onoe }
2136 1.89 kiyohara #endif
2137 1.7 onoe
2138 1.89 kiyohara static uint32_t
2139 1.89 kiyohara fwochi_check_stat(struct fwohci_softc *sc)
2140 1.7 onoe {
2141 1.89 kiyohara uint32_t stat, irstat, itstat;
2142 1.7 onoe
2143 1.89 kiyohara stat = OREAD(sc, FWOHCI_INTSTAT);
2144 1.89 kiyohara CTR1(KTR_DEV, "fwoch_check_stat 0x%08x", stat);
2145 1.89 kiyohara if (stat == 0xffffffff) {
2146 1.89 kiyohara device_printf(sc->fc.dev,
2147 1.89 kiyohara "device physically ejected?\n");
2148 1.89 kiyohara return(stat);
2149 1.7 onoe }
2150 1.89 kiyohara #ifdef ACK_ALL
2151 1.89 kiyohara if (stat)
2152 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, stat);
2153 1.7 onoe #endif
2154 1.89 kiyohara if (stat & OHCI_INT_DMA_IR) {
2155 1.89 kiyohara irstat = OREAD(sc, OHCI_IR_STAT);
2156 1.89 kiyohara OWRITE(sc, OHCI_IR_STATCLR, irstat);
2157 1.89 kiyohara atomic_set_int(&sc->irstat, irstat);
2158 1.89 kiyohara }
2159 1.89 kiyohara if (stat & OHCI_INT_DMA_IT) {
2160 1.89 kiyohara itstat = OREAD(sc, OHCI_IT_STAT);
2161 1.89 kiyohara OWRITE(sc, OHCI_IT_STATCLR, itstat);
2162 1.89 kiyohara atomic_set_int(&sc->itstat, itstat);
2163 1.89 kiyohara }
2164 1.89 kiyohara return(stat);
2165 1.7 onoe }
2166 1.7 onoe
2167 1.89 kiyohara FW_INTR(fwohci)
2168 1.3 onoe {
2169 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)arg;
2170 1.89 kiyohara uint32_t stat;
2171 1.89 kiyohara #if !FWOHCI_TASKQUEUE
2172 1.89 kiyohara uint32_t bus_reset = 0;
2173 1.89 kiyohara #endif
2174 1.3 onoe
2175 1.89 kiyohara if (!(sc->intmask & OHCI_INT_EN)) {
2176 1.89 kiyohara /* polling mode */
2177 1.89 kiyohara FW_INTR_RETURN(0);
2178 1.3 onoe }
2179 1.3 onoe
2180 1.89 kiyohara #if !FWOHCI_TASKQUEUE
2181 1.89 kiyohara again:
2182 1.89 kiyohara #endif
2183 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr");
2184 1.89 kiyohara stat = fwochi_check_stat(sc);
2185 1.89 kiyohara if (stat == 0 || stat == 0xffffffff)
2186 1.89 kiyohara FW_INTR_RETURN(1);
2187 1.89 kiyohara #if FWOHCI_TASKQUEUE
2188 1.89 kiyohara atomic_set_int(&sc->intstat, stat);
2189 1.89 kiyohara /* XXX mask bus reset intr. during bus reset phase */
2190 1.89 kiyohara if (stat)
2191 1.89 kiyohara #if 1
2192 1.89 kiyohara taskqueue_enqueue_fast(taskqueue_fast,
2193 1.89 kiyohara &sc->fwohci_task_complete);
2194 1.89 kiyohara #else
2195 1.89 kiyohara taskqueue_enqueue(taskqueue_swi,
2196 1.89 kiyohara &sc->fwohci_task_complete);
2197 1.89 kiyohara #endif
2198 1.89 kiyohara #else
2199 1.89 kiyohara /* We cannot clear bus reset event during bus reset phase */
2200 1.89 kiyohara if ((stat & ~bus_reset) == 0)
2201 1.89 kiyohara FW_INTR_RETURN(1);
2202 1.89 kiyohara bus_reset = stat & OHCI_INT_PHY_BUS_R;
2203 1.89 kiyohara fwohci_intr_body(sc, stat, -1);
2204 1.89 kiyohara goto again;
2205 1.89 kiyohara #endif
2206 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr end");
2207 1.9 onoe }
2208 1.9 onoe
2209 1.89 kiyohara void
2210 1.89 kiyohara fwohci_poll(struct firewire_comm *fc, int quick, int count)
2211 1.9 onoe {
2212 1.89 kiyohara int s;
2213 1.89 kiyohara uint32_t stat;
2214 1.89 kiyohara struct fwohci_softc *sc;
2215 1.9 onoe
2216 1.9 onoe
2217 1.89 kiyohara sc = (struct fwohci_softc *)fc;
2218 1.89 kiyohara stat = OHCI_INT_DMA_IR | OHCI_INT_DMA_IT |
2219 1.89 kiyohara OHCI_INT_DMA_PRRS | OHCI_INT_DMA_PRRQ |
2220 1.89 kiyohara OHCI_INT_DMA_ATRQ | OHCI_INT_DMA_ATRS;
2221 1.89 kiyohara #if 0
2222 1.89 kiyohara if (!quick) {
2223 1.89 kiyohara #else
2224 1.89 kiyohara if (1) {
2225 1.40 haya #endif
2226 1.89 kiyohara stat = fwochi_check_stat(sc);
2227 1.89 kiyohara if (stat == 0 || stat == 0xffffffff)
2228 1.89 kiyohara return;
2229 1.38 onoe }
2230 1.89 kiyohara s = splfw();
2231 1.89 kiyohara fwohci_intr_body(sc, stat, count);
2232 1.89 kiyohara splx(s);
2233 1.3 onoe }
2234 1.3 onoe
2235 1.3 onoe static void
2236 1.89 kiyohara fwohci_set_intr(struct firewire_comm *fc, int enable)
2237 1.9 onoe {
2238 1.89 kiyohara struct fwohci_softc *sc;
2239 1.9 onoe
2240 1.89 kiyohara sc = (struct fwohci_softc *)fc;
2241 1.89 kiyohara if (firewire_debug)
2242 1.89 kiyohara device_printf(sc->fc.dev, "fwohci_set_intr: %d\n", enable);
2243 1.89 kiyohara if (enable) {
2244 1.89 kiyohara sc->intmask |= OHCI_INT_EN;
2245 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_EN);
2246 1.89 kiyohara } else {
2247 1.89 kiyohara sc->intmask &= ~OHCI_INT_EN;
2248 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_EN);
2249 1.89 kiyohara }
2250 1.9 onoe }
2251 1.9 onoe
2252 1.9 onoe static void
2253 1.89 kiyohara fwohci_tbuf_update(struct fwohci_softc *sc, int dmach)
2254 1.89 kiyohara {
2255 1.89 kiyohara struct firewire_comm *fc = &sc->fc;
2256 1.89 kiyohara struct fwohcidb *db;
2257 1.89 kiyohara struct fw_bulkxfer *chunk;
2258 1.89 kiyohara struct fw_xferq *it;
2259 1.89 kiyohara uint32_t stat, count;
2260 1.89 kiyohara int s, w=0, ldesc;
2261 1.89 kiyohara
2262 1.89 kiyohara it = fc->it[dmach];
2263 1.89 kiyohara ldesc = sc->it[dmach].ndesc - 1;
2264 1.89 kiyohara s = splfw(); /* unnecessary ? */
2265 1.89 kiyohara if (firewire_debug)
2266 1.89 kiyohara dump_db(sc, ITX_CH + dmach);
2267 1.89 kiyohara while ((chunk = STAILQ_FIRST(&it->stdma)) != NULL) {
2268 1.89 kiyohara db = ((struct fwohcidb_tr *)(chunk->end))->db;
2269 1.89 kiyohara stat = FWOHCI_DMA_READ(db[ldesc].db.desc.res)
2270 1.89 kiyohara >> OHCI_STATUS_SHIFT;
2271 1.89 kiyohara db = ((struct fwohcidb_tr *)(chunk->start))->db;
2272 1.89 kiyohara /* timestamp */
2273 1.89 kiyohara count = FWOHCI_DMA_READ(db[ldesc].db.desc.res)
2274 1.89 kiyohara & OHCI_COUNT_MASK;
2275 1.89 kiyohara if (stat == 0)
2276 1.89 kiyohara break;
2277 1.89 kiyohara STAILQ_REMOVE_HEAD(&it->stdma, link);
2278 1.89 kiyohara switch (stat & FWOHCIEV_MASK){
2279 1.89 kiyohara case FWOHCIEV_ACKCOMPL:
2280 1.89 kiyohara #if 0
2281 1.89 kiyohara device_printf(fc->dev, "0x%08x\n", count);
2282 1.89 kiyohara #endif
2283 1.89 kiyohara break;
2284 1.89 kiyohara default:
2285 1.89 kiyohara device_printf(fc->dev,
2286 1.89 kiyohara "Isochronous transmit err %02x(%s)\n",
2287 1.89 kiyohara stat, fwohcicode[stat & 0x1f]);
2288 1.89 kiyohara }
2289 1.89 kiyohara STAILQ_INSERT_TAIL(&it->stfree, chunk, link);
2290 1.89 kiyohara w++;
2291 1.9 onoe }
2292 1.89 kiyohara splx(s);
2293 1.89 kiyohara if (w)
2294 1.89 kiyohara wakeup(it);
2295 1.3 onoe }
2296 1.3 onoe
2297 1.89 kiyohara static void
2298 1.89 kiyohara fwohci_rbuf_update(struct fwohci_softc *sc, int dmach)
2299 1.3 onoe {
2300 1.89 kiyohara struct firewire_comm *fc = &sc->fc;
2301 1.89 kiyohara struct fwohcidb_tr *db_tr;
2302 1.89 kiyohara struct fw_bulkxfer *chunk;
2303 1.89 kiyohara struct fw_xferq *ir;
2304 1.89 kiyohara uint32_t stat;
2305 1.89 kiyohara int s, w=0, ldesc;
2306 1.3 onoe
2307 1.89 kiyohara ir = fc->ir[dmach];
2308 1.89 kiyohara ldesc = sc->ir[dmach].ndesc - 1;
2309 1.89 kiyohara #if 0
2310 1.89 kiyohara dump_db(sc, dmach);
2311 1.89 kiyohara #endif
2312 1.89 kiyohara s = splfw();
2313 1.89 kiyohara while ((chunk = STAILQ_FIRST(&ir->stdma)) != NULL) {
2314 1.89 kiyohara db_tr = (struct fwohcidb_tr *)chunk->end;
2315 1.89 kiyohara stat = FWOHCI_DMA_READ(db_tr->db[ldesc].db.desc.res)
2316 1.89 kiyohara >> OHCI_STATUS_SHIFT;
2317 1.89 kiyohara if (stat == 0)
2318 1.89 kiyohara break;
2319 1.3 onoe
2320 1.89 kiyohara if (chunk->mbuf != NULL) {
2321 1.89 kiyohara fw_bus_dmamap_sync(sc->ir[dmach].dmat, db_tr->dma_map,
2322 1.89 kiyohara BUS_DMASYNC_POSTREAD);
2323 1.89 kiyohara fw_bus_dmamap_unload(
2324 1.89 kiyohara sc->ir[dmach].dmat, db_tr->dma_map);
2325 1.89 kiyohara } else if (ir->buf != NULL) {
2326 1.89 kiyohara fwdma_sync_multiseg(ir->buf, chunk->poffset,
2327 1.89 kiyohara ir->bnpacket, BUS_DMASYNC_POSTREAD);
2328 1.89 kiyohara } else {
2329 1.89 kiyohara /* XXX */
2330 1.89 kiyohara printf("fwohci_rbuf_update: this shouldn't happend\n");
2331 1.89 kiyohara }
2332 1.3 onoe
2333 1.89 kiyohara STAILQ_REMOVE_HEAD(&ir->stdma, link);
2334 1.89 kiyohara STAILQ_INSERT_TAIL(&ir->stvalid, chunk, link);
2335 1.89 kiyohara switch (stat & FWOHCIEV_MASK) {
2336 1.89 kiyohara case FWOHCIEV_ACKCOMPL:
2337 1.89 kiyohara chunk->resp = 0;
2338 1.89 kiyohara break;
2339 1.89 kiyohara default:
2340 1.89 kiyohara chunk->resp = EINVAL;
2341 1.89 kiyohara device_printf(fc->dev,
2342 1.89 kiyohara "Isochronous receive err %02x(%s)\n",
2343 1.89 kiyohara stat, fwohcicode[stat & 0x1f]);
2344 1.89 kiyohara }
2345 1.89 kiyohara w++;
2346 1.89 kiyohara }
2347 1.89 kiyohara splx(s);
2348 1.89 kiyohara if (w) {
2349 1.89 kiyohara if (ir->flag & FWXFERQ_HANDLER)
2350 1.89 kiyohara ir->hand(ir);
2351 1.89 kiyohara else
2352 1.89 kiyohara wakeup(ir);
2353 1.89 kiyohara }
2354 1.3 onoe }
2355 1.3 onoe
2356 1.89 kiyohara void
2357 1.89 kiyohara dump_dma(struct fwohci_softc *sc, uint32_t ch)
2358 1.3 onoe {
2359 1.89 kiyohara uint32_t off, cntl, stat, cmd, match;
2360 1.3 onoe
2361 1.89 kiyohara if(ch == 0){
2362 1.89 kiyohara off = OHCI_ATQOFF;
2363 1.89 kiyohara }else if(ch == 1){
2364 1.89 kiyohara off = OHCI_ATSOFF;
2365 1.89 kiyohara }else if(ch == 2){
2366 1.89 kiyohara off = OHCI_ARQOFF;
2367 1.89 kiyohara }else if(ch == 3){
2368 1.89 kiyohara off = OHCI_ARSOFF;
2369 1.89 kiyohara }else if(ch < IRX_CH){
2370 1.89 kiyohara off = OHCI_ITCTL(ch - ITX_CH);
2371 1.89 kiyohara }else{
2372 1.89 kiyohara off = OHCI_IRCTL(ch - IRX_CH);
2373 1.89 kiyohara }
2374 1.89 kiyohara cntl = stat = OREAD(sc, off);
2375 1.89 kiyohara cmd = OREAD(sc, off + 0xc);
2376 1.89 kiyohara match = OREAD(sc, off + 0x10);
2377 1.89 kiyohara
2378 1.89 kiyohara device_printf(sc->fc.dev, "ch %1x cntl:0x%08x cmd:0x%08x match:0x%08x\n",
2379 1.89 kiyohara ch,
2380 1.89 kiyohara cntl,
2381 1.89 kiyohara cmd,
2382 1.89 kiyohara match);
2383 1.89 kiyohara stat &= 0xffff ;
2384 1.89 kiyohara if (stat) {
2385 1.89 kiyohara device_printf(sc->fc.dev, "dma %d ch:%s%s%s%s%s%s %s(%x)\n",
2386 1.89 kiyohara ch,
2387 1.89 kiyohara stat & OHCI_CNTL_DMA_RUN ? "RUN," : "",
2388 1.89 kiyohara stat & OHCI_CNTL_DMA_WAKE ? "WAKE," : "",
2389 1.89 kiyohara stat & OHCI_CNTL_DMA_DEAD ? "DEAD," : "",
2390 1.89 kiyohara stat & OHCI_CNTL_DMA_ACTIVE ? "ACTIVE," : "",
2391 1.89 kiyohara stat & OHCI_CNTL_DMA_BT ? "BRANCH," : "",
2392 1.89 kiyohara stat & OHCI_CNTL_DMA_BAD ? "BADDMA," : "",
2393 1.89 kiyohara fwohcicode[stat & 0x1f],
2394 1.89 kiyohara stat & 0x1f
2395 1.89 kiyohara );
2396 1.89 kiyohara }else{
2397 1.89 kiyohara device_printf(sc->fc.dev, "dma %d ch: Nostat\n", ch);
2398 1.89 kiyohara }
2399 1.3 onoe }
2400 1.3 onoe
2401 1.89 kiyohara void
2402 1.89 kiyohara dump_db(struct fwohci_softc *sc, uint32_t ch)
2403 1.3 onoe {
2404 1.89 kiyohara struct fwohci_dbch *dbch;
2405 1.89 kiyohara struct fwohcidb_tr *cp = NULL, *pp, *np = NULL;
2406 1.89 kiyohara struct fwohcidb *curr = NULL, *prev, *next = NULL;
2407 1.89 kiyohara int idb, jdb;
2408 1.89 kiyohara uint32_t cmd, off;
2409 1.89 kiyohara if(ch == 0){
2410 1.89 kiyohara off = OHCI_ATQOFF;
2411 1.89 kiyohara dbch = &sc->atrq;
2412 1.89 kiyohara }else if(ch == 1){
2413 1.89 kiyohara off = OHCI_ATSOFF;
2414 1.89 kiyohara dbch = &sc->atrs;
2415 1.89 kiyohara }else if(ch == 2){
2416 1.89 kiyohara off = OHCI_ARQOFF;
2417 1.89 kiyohara dbch = &sc->arrq;
2418 1.89 kiyohara }else if(ch == 3){
2419 1.89 kiyohara off = OHCI_ARSOFF;
2420 1.89 kiyohara dbch = &sc->arrs;
2421 1.89 kiyohara }else if(ch < IRX_CH){
2422 1.89 kiyohara off = OHCI_ITCTL(ch - ITX_CH);
2423 1.89 kiyohara dbch = &sc->it[ch - ITX_CH];
2424 1.89 kiyohara }else {
2425 1.89 kiyohara off = OHCI_IRCTL(ch - IRX_CH);
2426 1.89 kiyohara dbch = &sc->ir[ch - IRX_CH];
2427 1.89 kiyohara }
2428 1.89 kiyohara cmd = OREAD(sc, off + 0xc);
2429 1.3 onoe
2430 1.89 kiyohara if( dbch->ndb == 0 ){
2431 1.89 kiyohara device_printf(sc->fc.dev, "No DB is attached ch=%d\n", ch);
2432 1.89 kiyohara return;
2433 1.89 kiyohara }
2434 1.89 kiyohara pp = dbch->top;
2435 1.89 kiyohara prev = pp->db;
2436 1.89 kiyohara for(idb = 0 ; idb < dbch->ndb ; idb ++ ){
2437 1.89 kiyohara cp = STAILQ_NEXT(pp, link);
2438 1.89 kiyohara if(cp == NULL){
2439 1.89 kiyohara curr = NULL;
2440 1.89 kiyohara goto outdb;
2441 1.89 kiyohara }
2442 1.89 kiyohara np = STAILQ_NEXT(cp, link);
2443 1.89 kiyohara for(jdb = 0 ; jdb < dbch->ndesc ; jdb ++ ){
2444 1.89 kiyohara if ((cmd & 0xfffffff0) == cp->bus_addr) {
2445 1.89 kiyohara curr = cp->db;
2446 1.89 kiyohara if(np != NULL){
2447 1.89 kiyohara next = np->db;
2448 1.89 kiyohara }else{
2449 1.89 kiyohara next = NULL;
2450 1.89 kiyohara }
2451 1.89 kiyohara goto outdb;
2452 1.89 kiyohara }
2453 1.89 kiyohara }
2454 1.89 kiyohara pp = STAILQ_NEXT(pp, link);
2455 1.89 kiyohara if(pp == NULL){
2456 1.89 kiyohara curr = NULL;
2457 1.89 kiyohara goto outdb;
2458 1.62 haya }
2459 1.89 kiyohara prev = pp->db;
2460 1.89 kiyohara }
2461 1.89 kiyohara outdb:
2462 1.89 kiyohara if( curr != NULL){
2463 1.89 kiyohara #if 0
2464 1.89 kiyohara printf("Prev DB %d\n", ch);
2465 1.89 kiyohara print_db(pp, prev, ch, dbch->ndesc);
2466 1.89 kiyohara #endif
2467 1.89 kiyohara printf("Current DB %d\n", ch);
2468 1.89 kiyohara print_db(cp, curr, ch, dbch->ndesc);
2469 1.89 kiyohara #if 0
2470 1.89 kiyohara printf("Next DB %d\n", ch);
2471 1.89 kiyohara print_db(np, next, ch, dbch->ndesc);
2472 1.89 kiyohara #endif
2473 1.89 kiyohara }else{
2474 1.89 kiyohara printf("dbdump err ch = %d cmd = 0x%08x\n", ch, cmd);
2475 1.7 onoe }
2476 1.89 kiyohara return;
2477 1.7 onoe }
2478 1.7 onoe
2479 1.89 kiyohara void
2480 1.89 kiyohara print_db(struct fwohcidb_tr *db_tr, struct fwohcidb *db,
2481 1.89 kiyohara uint32_t ch, uint32_t hogemax)
2482 1.7 onoe {
2483 1.89 kiyohara fwohcireg_t stat;
2484 1.89 kiyohara int i, key;
2485 1.89 kiyohara uint32_t cmd, res;
2486 1.89 kiyohara
2487 1.89 kiyohara if(db == NULL){
2488 1.89 kiyohara printf("No Descriptor is found\n");
2489 1.89 kiyohara return;
2490 1.89 kiyohara }
2491 1.7 onoe
2492 1.89 kiyohara printf("ch = %d\n%8s %s %s %s %s %4s %8s %8s %4s:%4s\n",
2493 1.89 kiyohara ch,
2494 1.89 kiyohara "Current",
2495 1.89 kiyohara "OP ",
2496 1.89 kiyohara "KEY",
2497 1.89 kiyohara "INT",
2498 1.89 kiyohara "BR ",
2499 1.89 kiyohara "len",
2500 1.89 kiyohara "Addr",
2501 1.89 kiyohara "Depend",
2502 1.89 kiyohara "Stat",
2503 1.89 kiyohara "Cnt");
2504 1.89 kiyohara for( i = 0 ; i <= hogemax ; i ++){
2505 1.89 kiyohara cmd = FWOHCI_DMA_READ(db[i].db.desc.cmd);
2506 1.89 kiyohara res = FWOHCI_DMA_READ(db[i].db.desc.res);
2507 1.89 kiyohara key = cmd & OHCI_KEY_MASK;
2508 1.89 kiyohara stat = res >> OHCI_STATUS_SHIFT;
2509 1.89 kiyohara #if defined(__DragonFly__) || \
2510 1.89 kiyohara (defined(__FreeBSD__) && __FreeBSD_version < 500000)
2511 1.89 kiyohara printf("%08x %s %s %s %s %5d %08x %08x %04x:%04x",
2512 1.89 kiyohara db_tr->bus_addr,
2513 1.89 kiyohara #else
2514 1.89 kiyohara printf("%08jx %s %s %s %s %5d %08x %08x %04x:%04x",
2515 1.89 kiyohara (uintmax_t)db_tr->bus_addr,
2516 1.89 kiyohara #endif
2517 1.89 kiyohara dbcode[(cmd >> 28) & 0xf],
2518 1.89 kiyohara dbkey[(cmd >> 24) & 0x7],
2519 1.89 kiyohara dbcond[(cmd >> 20) & 0x3],
2520 1.89 kiyohara dbcond[(cmd >> 18) & 0x3],
2521 1.89 kiyohara cmd & OHCI_COUNT_MASK,
2522 1.89 kiyohara FWOHCI_DMA_READ(db[i].db.desc.addr),
2523 1.89 kiyohara FWOHCI_DMA_READ(db[i].db.desc.depend),
2524 1.89 kiyohara stat,
2525 1.89 kiyohara res & OHCI_COUNT_MASK);
2526 1.89 kiyohara if(stat & 0xff00){
2527 1.89 kiyohara printf(" %s%s%s%s%s%s %s(%x)\n",
2528 1.89 kiyohara stat & OHCI_CNTL_DMA_RUN ? "RUN," : "",
2529 1.89 kiyohara stat & OHCI_CNTL_DMA_WAKE ? "WAKE," : "",
2530 1.89 kiyohara stat & OHCI_CNTL_DMA_DEAD ? "DEAD," : "",
2531 1.89 kiyohara stat & OHCI_CNTL_DMA_ACTIVE ? "ACTIVE," : "",
2532 1.89 kiyohara stat & OHCI_CNTL_DMA_BT ? "BRANCH," : "",
2533 1.89 kiyohara stat & OHCI_CNTL_DMA_BAD ? "BADDMA," : "",
2534 1.89 kiyohara fwohcicode[stat & 0x1f],
2535 1.89 kiyohara stat & 0x1f
2536 1.89 kiyohara );
2537 1.89 kiyohara }else{
2538 1.89 kiyohara printf(" Nostat\n");
2539 1.89 kiyohara }
2540 1.89 kiyohara if(key == OHCI_KEY_ST2 ){
2541 1.89 kiyohara printf("0x%08x 0x%08x 0x%08x 0x%08x\n",
2542 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[0]),
2543 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[1]),
2544 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[2]),
2545 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[3]));
2546 1.89 kiyohara }
2547 1.89 kiyohara if(key == OHCI_KEY_DEVICE){
2548 1.89 kiyohara return;
2549 1.89 kiyohara }
2550 1.89 kiyohara if((cmd & OHCI_BRANCH_MASK)
2551 1.89 kiyohara == OHCI_BRANCH_ALWAYS){
2552 1.89 kiyohara return;
2553 1.89 kiyohara }
2554 1.89 kiyohara if((cmd & OHCI_CMD_MASK)
2555 1.89 kiyohara == OHCI_OUTPUT_LAST){
2556 1.89 kiyohara return;
2557 1.89 kiyohara }
2558 1.89 kiyohara if((cmd & OHCI_CMD_MASK)
2559 1.89 kiyohara == OHCI_INPUT_LAST){
2560 1.89 kiyohara return;
2561 1.89 kiyohara }
2562 1.89 kiyohara if(key == OHCI_KEY_ST2 ){
2563 1.89 kiyohara i++;
2564 1.62 haya }
2565 1.3 onoe }
2566 1.89 kiyohara return;
2567 1.3 onoe }
2568 1.3 onoe
2569 1.89 kiyohara void
2570 1.89 kiyohara fwohci_ibr(struct firewire_comm *fc)
2571 1.7 onoe {
2572 1.89 kiyohara struct fwohci_softc *sc;
2573 1.89 kiyohara uint32_t fun;
2574 1.7 onoe
2575 1.89 kiyohara device_printf(fc->dev, "Initiate bus reset\n");
2576 1.89 kiyohara sc = (struct fwohci_softc *)fc;
2577 1.7 onoe
2578 1.7 onoe /*
2579 1.89 kiyohara * Make sure our cached values from the config rom are
2580 1.89 kiyohara * initialised.
2581 1.7 onoe */
2582 1.89 kiyohara OWRITE(sc, OHCI_CROMHDR, ntohl(sc->fc.config_rom[0]));
2583 1.89 kiyohara OWRITE(sc, OHCI_BUS_OPT, ntohl(sc->fc.config_rom[2]));
2584 1.36 onoe
2585 1.36 onoe /*
2586 1.89 kiyohara * Set root hold-off bit so that non cyclemaster capable node
2587 1.89 kiyohara * shouldn't became the root node.
2588 1.36 onoe */
2589 1.89 kiyohara #if 1
2590 1.89 kiyohara fun = fwphy_rddata(sc, FW_PHY_IBR_REG);
2591 1.89 kiyohara fun |= FW_PHY_IBR | FW_PHY_RHB;
2592 1.89 kiyohara fun = fwphy_wrdata(sc, FW_PHY_IBR_REG, fun);
2593 1.89 kiyohara #else /* Short bus reset */
2594 1.89 kiyohara fun = fwphy_rddata(sc, FW_PHY_ISBR_REG);
2595 1.89 kiyohara fun |= FW_PHY_ISBR | FW_PHY_RHB;
2596 1.89 kiyohara fun = fwphy_wrdata(sc, FW_PHY_ISBR_REG, fun);
2597 1.89 kiyohara #endif
2598 1.36 onoe }
2599 1.36 onoe
2600 1.89 kiyohara void
2601 1.89 kiyohara fwohci_txbufdb(struct fwohci_softc *sc, int dmach, struct fw_bulkxfer *bulkxfer)
2602 1.36 onoe {
2603 1.89 kiyohara struct fwohcidb_tr *db_tr, *fdb_tr;
2604 1.89 kiyohara struct fwohci_dbch *dbch;
2605 1.89 kiyohara struct fwohcidb *db;
2606 1.89 kiyohara struct fw_pkt *fp;
2607 1.89 kiyohara struct fwohci_txpkthdr *ohcifp;
2608 1.89 kiyohara unsigned short chtag;
2609 1.89 kiyohara int idb;
2610 1.89 kiyohara
2611 1.89 kiyohara dbch = &sc->it[dmach];
2612 1.89 kiyohara chtag = sc->it[dmach].xferq.flag & 0xff;
2613 1.89 kiyohara
2614 1.89 kiyohara db_tr = (struct fwohcidb_tr *)(bulkxfer->start);
2615 1.89 kiyohara fdb_tr = (struct fwohcidb_tr *)(bulkxfer->end);
2616 1.89 kiyohara /*
2617 1.89 kiyohara device_printf(sc->fc.dev, "DB %08x %08x %08x\n", bulkxfer, db_tr->bus_addr, fdb_tr->bus_addr);
2618 1.89 kiyohara */
2619 1.89 kiyohara for (idb = 0; idb < dbch->xferq.bnpacket; idb ++) {
2620 1.89 kiyohara db = db_tr->db;
2621 1.89 kiyohara fp = (struct fw_pkt *)db_tr->buf;
2622 1.89 kiyohara ohcifp = (struct fwohci_txpkthdr *) db[1].db.immed;
2623 1.89 kiyohara ohcifp->mode.ld[0] = fp->mode.ld[0];
2624 1.89 kiyohara ohcifp->mode.common.spd = 0 & 0x7;
2625 1.89 kiyohara ohcifp->mode.stream.len = fp->mode.stream.len;
2626 1.89 kiyohara ohcifp->mode.stream.chtag = chtag;
2627 1.89 kiyohara ohcifp->mode.stream.tcode = 0xa;
2628 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
2629 1.89 kiyohara FWOHCI_DMA_WRITE(db[1].db.immed[0], db[1].db.immed[0]);
2630 1.89 kiyohara FWOHCI_DMA_WRITE(db[1].db.immed[1], db[1].db.immed[1]);
2631 1.89 kiyohara #endif
2632 1.36 onoe
2633 1.89 kiyohara FWOHCI_DMA_CLEAR(db[2].db.desc.cmd, OHCI_COUNT_MASK);
2634 1.89 kiyohara FWOHCI_DMA_SET(db[2].db.desc.cmd, fp->mode.stream.len);
2635 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.res, 0);
2636 1.89 kiyohara #if 0 /* if bulkxfer->npackets changes */
2637 1.89 kiyohara db[2].db.desc.cmd = OHCI_OUTPUT_LAST
2638 1.89 kiyohara | OHCI_UPDATE
2639 1.89 kiyohara | OHCI_BRANCH_ALWAYS;
2640 1.89 kiyohara db[0].db.desc.depend =
2641 1.89 kiyohara = db[dbch->ndesc - 1].db.desc.depend
2642 1.89 kiyohara = STAILQ_NEXT(db_tr, link)->bus_addr | dbch->ndesc;
2643 1.89 kiyohara #else
2644 1.89 kiyohara FWOHCI_DMA_SET(db[0].db.desc.depend, dbch->ndesc);
2645 1.89 kiyohara FWOHCI_DMA_SET(db[dbch->ndesc - 1].db.desc.depend, dbch->ndesc);
2646 1.89 kiyohara #endif
2647 1.89 kiyohara bulkxfer->end = (caddr_t)db_tr;
2648 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link);
2649 1.36 onoe }
2650 1.89 kiyohara db = ((struct fwohcidb_tr *)bulkxfer->end)->db;
2651 1.89 kiyohara FWOHCI_DMA_CLEAR(db[0].db.desc.depend, 0xf);
2652 1.89 kiyohara FWOHCI_DMA_CLEAR(db[dbch->ndesc - 1].db.desc.depend, 0xf);
2653 1.89 kiyohara #if 0 /* if bulkxfer->npackets changes */
2654 1.89 kiyohara db[dbch->ndesc - 1].db.desc.control |= OHCI_INTERRUPT_ALWAYS;
2655 1.89 kiyohara /* OHCI 1.1 and above */
2656 1.89 kiyohara db[0].db.desc.control |= OHCI_INTERRUPT_ALWAYS;
2657 1.89 kiyohara #endif
2658 1.89 kiyohara /*
2659 1.89 kiyohara db_tr = (struct fwohcidb_tr *)bulkxfer->start;
2660 1.89 kiyohara fdb_tr = (struct fwohcidb_tr *)bulkxfer->end;
2661 1.89 kiyohara device_printf(sc->fc.dev, "DB %08x %3d %08x %08x\n", bulkxfer, bulkxfer->npacket, db_tr->bus_addr, fdb_tr->bus_addr);
2662 1.89 kiyohara */
2663 1.89 kiyohara return;
2664 1.7 onoe }
2665 1.7 onoe
2666 1.89 kiyohara static int
2667 1.89 kiyohara fwohci_add_tx_buf(struct fwohci_dbch *dbch, struct fwohcidb_tr *db_tr,
2668 1.89 kiyohara int poffset)
2669 1.3 onoe {
2670 1.89 kiyohara struct fwohcidb *db = db_tr->db;
2671 1.89 kiyohara struct fw_xferq *it;
2672 1.89 kiyohara int err = 0;
2673 1.3 onoe
2674 1.89 kiyohara it = &dbch->xferq;
2675 1.89 kiyohara if(it->buf == 0){
2676 1.89 kiyohara err = EINVAL;
2677 1.89 kiyohara return err;
2678 1.89 kiyohara }
2679 1.89 kiyohara db_tr->buf = fwdma_v_addr(it->buf, poffset);
2680 1.89 kiyohara db_tr->dbcnt = 3;
2681 1.40 haya
2682 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.cmd,
2683 1.89 kiyohara OHCI_OUTPUT_MORE | OHCI_KEY_ST2 | 8);
2684 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.addr, 0);
2685 1.89 kiyohara bzero((void *)&db[1].db.immed[0], sizeof(db[1].db.immed));
2686 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.addr,
2687 1.95 kiyohara fwdma_bus_addr(it->buf, poffset) + sizeof(uint32_t));
2688 1.62 haya
2689 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.cmd,
2690 1.89 kiyohara OHCI_OUTPUT_LAST | OHCI_UPDATE | OHCI_BRANCH_ALWAYS);
2691 1.62 haya #if 1
2692 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.res, 0);
2693 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.res, 0);
2694 1.62 haya #endif
2695 1.89 kiyohara return 0;
2696 1.62 haya }
2697 1.62 haya
2698 1.62 haya int
2699 1.89 kiyohara fwohci_add_rx_buf(struct fwohci_dbch *dbch, struct fwohcidb_tr *db_tr,
2700 1.89 kiyohara int poffset, struct fwdma_alloc *dummy_dma)
2701 1.62 haya {
2702 1.89 kiyohara struct fwohcidb *db = db_tr->db;
2703 1.89 kiyohara struct fw_xferq *ir;
2704 1.89 kiyohara int i, ldesc;
2705 1.89 kiyohara bus_addr_t dbuf[2];
2706 1.89 kiyohara int dsiz[2];
2707 1.62 haya
2708 1.89 kiyohara ir = &dbch->xferq;
2709 1.89 kiyohara if (ir->buf == NULL && (dbch->xferq.flag & FWXFERQ_EXTBUF) == 0) {
2710 1.89 kiyohara db_tr->buf = fwdma_malloc_size(dbch->dmat, &db_tr->dma_map,
2711 1.89 kiyohara ir->psize, &dbuf[0], BUS_DMA_NOWAIT);
2712 1.89 kiyohara if (db_tr->buf == NULL)
2713 1.89 kiyohara return(ENOMEM);
2714 1.89 kiyohara db_tr->dbcnt = 1;
2715 1.89 kiyohara dsiz[0] = ir->psize;
2716 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map,
2717 1.89 kiyohara BUS_DMASYNC_PREREAD);
2718 1.62 haya } else {
2719 1.89 kiyohara db_tr->dbcnt = 0;
2720 1.89 kiyohara if (dummy_dma != NULL) {
2721 1.89 kiyohara dsiz[db_tr->dbcnt] = sizeof(uint32_t);
2722 1.89 kiyohara dbuf[db_tr->dbcnt++] = dummy_dma->bus_addr;
2723 1.89 kiyohara }
2724 1.89 kiyohara dsiz[db_tr->dbcnt] = ir->psize;
2725 1.89 kiyohara if (ir->buf != NULL) {
2726 1.89 kiyohara db_tr->buf = fwdma_v_addr(ir->buf, poffset);
2727 1.89 kiyohara dbuf[db_tr->dbcnt] = fwdma_bus_addr( ir->buf, poffset);
2728 1.62 haya }
2729 1.89 kiyohara db_tr->dbcnt++;
2730 1.62 haya }
2731 1.89 kiyohara for(i = 0 ; i < db_tr->dbcnt ; i++){
2732 1.89 kiyohara FWOHCI_DMA_WRITE(db[i].db.desc.addr, dbuf[i]);
2733 1.89 kiyohara FWOHCI_DMA_WRITE(db[i].db.desc.cmd, OHCI_INPUT_MORE | dsiz[i]);
2734 1.89 kiyohara if (ir->flag & FWXFERQ_STREAM) {
2735 1.89 kiyohara FWOHCI_DMA_SET(db[i].db.desc.cmd, OHCI_UPDATE);
2736 1.62 haya }
2737 1.89 kiyohara FWOHCI_DMA_WRITE(db[i].db.desc.res, dsiz[i]);
2738 1.62 haya }
2739 1.89 kiyohara ldesc = db_tr->dbcnt - 1;
2740 1.89 kiyohara if (ir->flag & FWXFERQ_STREAM) {
2741 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.cmd, OHCI_INPUT_LAST);
2742 1.62 haya }
2743 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.cmd, OHCI_BRANCH_ALWAYS);
2744 1.89 kiyohara return 0;
2745 1.62 haya }
2746 1.62 haya
2747 1.62 haya
2748 1.89 kiyohara static int
2749 1.89 kiyohara fwohci_arcv_swap(struct fw_pkt *fp, int len)
2750 1.89 kiyohara {
2751 1.89 kiyohara struct fw_pkt *fp0;
2752 1.89 kiyohara uint32_t ld0;
2753 1.89 kiyohara int slen, hlen;
2754 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
2755 1.89 kiyohara int i;
2756 1.89 kiyohara #endif
2757 1.62 haya
2758 1.89 kiyohara ld0 = FWOHCI_DMA_READ(fp->mode.ld[0]);
2759 1.62 haya #if 0
2760 1.89 kiyohara printf("ld0: x%08x\n", ld0);
2761 1.62 haya #endif
2762 1.89 kiyohara fp0 = (struct fw_pkt *)&ld0;
2763 1.89 kiyohara /* determine length to swap */
2764 1.89 kiyohara switch (fp0->mode.common.tcode) {
2765 1.89 kiyohara case FWTCODE_WRES:
2766 1.89 kiyohara CTR0(KTR_DEV, "WRES");
2767 1.89 kiyohara case FWTCODE_RREQQ:
2768 1.89 kiyohara case FWTCODE_WREQQ:
2769 1.89 kiyohara case FWTCODE_RRESQ:
2770 1.89 kiyohara case FWOHCITCODE_PHY:
2771 1.89 kiyohara slen = 12;
2772 1.89 kiyohara break;
2773 1.89 kiyohara case FWTCODE_RREQB:
2774 1.89 kiyohara case FWTCODE_WREQB:
2775 1.89 kiyohara case FWTCODE_LREQ:
2776 1.89 kiyohara case FWTCODE_RRESB:
2777 1.89 kiyohara case FWTCODE_LRES:
2778 1.89 kiyohara slen = 16;
2779 1.89 kiyohara break;
2780 1.89 kiyohara default:
2781 1.89 kiyohara printf("Unknown tcode %d\n", fp0->mode.common.tcode);
2782 1.89 kiyohara return(0);
2783 1.62 haya }
2784 1.89 kiyohara hlen = tinfo[fp0->mode.common.tcode].hdr_len;
2785 1.89 kiyohara if (hlen > len) {
2786 1.89 kiyohara if (firewire_debug)
2787 1.89 kiyohara printf("splitted header\n");
2788 1.89 kiyohara return(-hlen);
2789 1.62 haya }
2790 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN
2791 1.89 kiyohara for(i = 0; i < slen/4; i ++)
2792 1.89 kiyohara fp->mode.ld[i] = FWOHCI_DMA_READ(fp->mode.ld[i]);
2793 1.62 haya #endif
2794 1.89 kiyohara return(hlen);
2795 1.62 haya }
2796 1.62 haya
2797 1.62 haya static int
2798 1.89 kiyohara fwohci_get_plen(struct fwohci_softc *sc, struct fwohci_dbch *dbch, struct fw_pkt *fp)
2799 1.62 haya {
2800 1.90 drochner const struct tcode_info *info;
2801 1.89 kiyohara int r;
2802 1.62 haya
2803 1.89 kiyohara info = &tinfo[fp->mode.common.tcode];
2804 1.89 kiyohara r = info->hdr_len + sizeof(uint32_t);
2805 1.89 kiyohara if ((info->flag & FWTI_BLOCK_ASY) != 0)
2806 1.89 kiyohara r += roundup2(fp->mode.wreqb.len, sizeof(uint32_t));
2807 1.62 haya
2808 1.89 kiyohara if (r == sizeof(uint32_t)) {
2809 1.89 kiyohara /* XXX */
2810 1.89 kiyohara device_printf(sc->fc.dev, "Unknown tcode %d\n",
2811 1.89 kiyohara fp->mode.common.tcode);
2812 1.89 kiyohara return (-1);
2813 1.62 haya }
2814 1.62 haya
2815 1.89 kiyohara if (r > dbch->xferq.psize) {
2816 1.89 kiyohara device_printf(sc->fc.dev, "Invalid packet length %d\n", r);
2817 1.89 kiyohara return (-1);
2818 1.89 kiyohara /* panic ? */
2819 1.62 haya }
2820 1.62 haya
2821 1.89 kiyohara return r;
2822 1.62 haya }
2823 1.62 haya
2824 1.62 haya static void
2825 1.89 kiyohara fwohci_arcv_free_buf(struct fwohci_softc *sc, struct fwohci_dbch *dbch,
2826 1.89 kiyohara struct fwohcidb_tr *db_tr, uint32_t off, int wake)
2827 1.62 haya {
2828 1.89 kiyohara struct fwohcidb *db = &db_tr->db[0];
2829 1.62 haya
2830 1.89 kiyohara FWOHCI_DMA_CLEAR(db->db.desc.depend, 0xf);
2831 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res, dbch->xferq.psize);
2832 1.89 kiyohara FWOHCI_DMA_SET(dbch->bottom->db[0].db.desc.depend, 1);
2833 1.89 kiyohara dbch->bottom = db_tr;
2834 1.62 haya
2835 1.89 kiyohara if (wake)
2836 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_WAKE);
2837 1.62 haya }
2838 1.62 haya
2839 1.89 kiyohara static void
2840 1.89 kiyohara fwohci_arcv(struct fwohci_softc *sc, struct fwohci_dbch *dbch, int count)
2841 1.62 haya {
2842 1.89 kiyohara struct fwohcidb_tr *db_tr;
2843 1.89 kiyohara struct iovec vec[2];
2844 1.89 kiyohara struct fw_pkt pktbuf;
2845 1.89 kiyohara int nvec;
2846 1.89 kiyohara struct fw_pkt *fp;
2847 1.89 kiyohara uint8_t *ld;
2848 1.89 kiyohara uint32_t stat, off, status, event;
2849 1.89 kiyohara u_int spd;
2850 1.89 kiyohara int len, plen, hlen, pcnt, offset;
2851 1.89 kiyohara int s;
2852 1.89 kiyohara caddr_t buf;
2853 1.89 kiyohara int resCount;
2854 1.62 haya
2855 1.89 kiyohara CTR0(KTR_DEV, "fwohci_arv");
2856 1.62 haya
2857 1.89 kiyohara if(&sc->arrq == dbch){
2858 1.89 kiyohara off = OHCI_ARQOFF;
2859 1.89 kiyohara }else if(&sc->arrs == dbch){
2860 1.89 kiyohara off = OHCI_ARSOFF;
2861 1.89 kiyohara }else{
2862 1.89 kiyohara return;
2863 1.62 haya }
2864 1.62 haya
2865 1.89 kiyohara s = splfw();
2866 1.89 kiyohara db_tr = dbch->top;
2867 1.89 kiyohara pcnt = 0;
2868 1.89 kiyohara /* XXX we cannot handle a packet which lies in more than two buf */
2869 1.89 kiyohara status = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) >> OHCI_STATUS_SHIFT;
2870 1.89 kiyohara resCount = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) & OHCI_COUNT_MASK;
2871 1.89 kiyohara while (status & OHCI_CNTL_DMA_ACTIVE) {
2872 1.89 kiyohara #if 0
2873 1.62 haya
2874 1.89 kiyohara if (off == OHCI_ARQOFF)
2875 1.89 kiyohara printf("buf 0x%08x, status 0x%04x, resCount 0x%04x\n",
2876 1.89 kiyohara db_tr->bus_addr, status, resCount);
2877 1.89 kiyohara #endif
2878 1.89 kiyohara len = dbch->xferq.psize - resCount;
2879 1.89 kiyohara ld = (uint8_t *)db_tr->buf;
2880 1.89 kiyohara if (dbch->pdb_tr == NULL) {
2881 1.89 kiyohara len -= dbch->buf_offset;
2882 1.89 kiyohara ld += dbch->buf_offset;
2883 1.89 kiyohara }
2884 1.89 kiyohara if (len > 0)
2885 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map,
2886 1.89 kiyohara BUS_DMASYNC_POSTREAD);
2887 1.89 kiyohara while (len > 0 ) {
2888 1.89 kiyohara if (count >= 0 && count-- == 0)
2889 1.89 kiyohara goto out;
2890 1.89 kiyohara if(dbch->pdb_tr != NULL){
2891 1.89 kiyohara /* we have a fragment in previous buffer */
2892 1.89 kiyohara int rlen;
2893 1.89 kiyohara
2894 1.89 kiyohara offset = dbch->buf_offset;
2895 1.89 kiyohara if (offset < 0)
2896 1.89 kiyohara offset = - offset;
2897 1.89 kiyohara buf = dbch->pdb_tr->buf + offset;
2898 1.89 kiyohara rlen = dbch->xferq.psize - offset;
2899 1.89 kiyohara if (firewire_debug)
2900 1.89 kiyohara printf("rlen=%d, offset=%d\n",
2901 1.89 kiyohara rlen, dbch->buf_offset);
2902 1.89 kiyohara if (dbch->buf_offset < 0) {
2903 1.89 kiyohara /* splitted in header, pull up */
2904 1.89 kiyohara char *p;
2905 1.89 kiyohara
2906 1.89 kiyohara p = (char *)&pktbuf;
2907 1.89 kiyohara bcopy(buf, p, rlen);
2908 1.89 kiyohara p += rlen;
2909 1.89 kiyohara /* this must be too long but harmless */
2910 1.89 kiyohara rlen = sizeof(pktbuf) - rlen;
2911 1.89 kiyohara if (rlen < 0)
2912 1.89 kiyohara printf("why rlen < 0\n");
2913 1.89 kiyohara bcopy(db_tr->buf, p, rlen);
2914 1.89 kiyohara ld += rlen;
2915 1.89 kiyohara len -= rlen;
2916 1.89 kiyohara hlen = fwohci_arcv_swap(&pktbuf, sizeof(pktbuf));
2917 1.89 kiyohara if (hlen <= 0) {
2918 1.89 kiyohara printf("hlen < 0 shouldn't happen");
2919 1.89 kiyohara goto err;
2920 1.89 kiyohara }
2921 1.89 kiyohara offset = sizeof(pktbuf);
2922 1.89 kiyohara vec[0].iov_base = (char *)&pktbuf;
2923 1.89 kiyohara vec[0].iov_len = offset;
2924 1.89 kiyohara } else {
2925 1.89 kiyohara /* splitted in payload */
2926 1.89 kiyohara offset = rlen;
2927 1.89 kiyohara vec[0].iov_base = buf;
2928 1.89 kiyohara vec[0].iov_len = rlen;
2929 1.89 kiyohara }
2930 1.89 kiyohara fp=(struct fw_pkt *)vec[0].iov_base;
2931 1.89 kiyohara nvec = 1;
2932 1.89 kiyohara } else {
2933 1.89 kiyohara /* no fragment in previous buffer */
2934 1.89 kiyohara fp=(struct fw_pkt *)ld;
2935 1.89 kiyohara hlen = fwohci_arcv_swap(fp, len);
2936 1.89 kiyohara if (hlen == 0)
2937 1.89 kiyohara goto err;
2938 1.89 kiyohara if (hlen < 0) {
2939 1.89 kiyohara dbch->pdb_tr = db_tr;
2940 1.89 kiyohara dbch->buf_offset = - dbch->buf_offset;
2941 1.89 kiyohara /* sanity check */
2942 1.89 kiyohara if (resCount != 0) {
2943 1.89 kiyohara printf("resCount=%d hlen=%d\n",
2944 1.89 kiyohara resCount, hlen);
2945 1.89 kiyohara goto err;
2946 1.89 kiyohara }
2947 1.89 kiyohara goto out;
2948 1.89 kiyohara }
2949 1.89 kiyohara offset = 0;
2950 1.89 kiyohara nvec = 0;
2951 1.89 kiyohara }
2952 1.89 kiyohara plen = fwohci_get_plen(sc, dbch, fp) - offset;
2953 1.89 kiyohara if (plen < 0) {
2954 1.89 kiyohara /* minimum header size + trailer
2955 1.89 kiyohara = sizeof(fw_pkt) so this shouldn't happens */
2956 1.89 kiyohara printf("plen(%d) is negative! offset=%d\n",
2957 1.89 kiyohara plen, offset);
2958 1.89 kiyohara goto err;
2959 1.89 kiyohara }
2960 1.89 kiyohara if (plen > 0) {
2961 1.89 kiyohara len -= plen;
2962 1.89 kiyohara if (len < 0) {
2963 1.89 kiyohara dbch->pdb_tr = db_tr;
2964 1.89 kiyohara if (firewire_debug)
2965 1.89 kiyohara printf("splitted payload\n");
2966 1.89 kiyohara /* sanity check */
2967 1.89 kiyohara if (resCount != 0) {
2968 1.89 kiyohara printf("resCount=%d plen=%d"
2969 1.89 kiyohara " len=%d\n",
2970 1.89 kiyohara resCount, plen, len);
2971 1.89 kiyohara goto err;
2972 1.89 kiyohara }
2973 1.89 kiyohara goto out;
2974 1.89 kiyohara }
2975 1.89 kiyohara vec[nvec].iov_base = ld;
2976 1.89 kiyohara vec[nvec].iov_len = plen;
2977 1.89 kiyohara nvec ++;
2978 1.89 kiyohara ld += plen;
2979 1.89 kiyohara }
2980 1.89 kiyohara dbch->buf_offset = ld - (uint8_t *)db_tr->buf;
2981 1.89 kiyohara if (nvec == 0)
2982 1.89 kiyohara printf("nvec == 0\n");
2983 1.62 haya
2984 1.89 kiyohara /* DMA result-code will be written at the tail of packet */
2985 1.89 kiyohara stat = FWOHCI_DMA_READ(*(uint32_t *)(ld - sizeof(struct fwohci_trailer)));
2986 1.89 kiyohara #if 0
2987 1.89 kiyohara printf("plen: %d, stat %x\n",
2988 1.89 kiyohara plen ,stat);
2989 1.89 kiyohara #endif
2990 1.89 kiyohara spd = (stat >> 21) & 0x3;
2991 1.89 kiyohara event = (stat >> 16) & 0x1f;
2992 1.89 kiyohara switch (event) {
2993 1.89 kiyohara case FWOHCIEV_ACKPEND:
2994 1.89 kiyohara #if 0
2995 1.89 kiyohara printf("fwohci_arcv: ack pending tcode=0x%x..\n", fp->mode.common.tcode);
2996 1.89 kiyohara #endif
2997 1.89 kiyohara /* fall through */
2998 1.89 kiyohara case FWOHCIEV_ACKCOMPL:
2999 1.89 kiyohara {
3000 1.89 kiyohara struct fw_rcv_buf rb;
3001 1.89 kiyohara
3002 1.89 kiyohara if ((vec[nvec-1].iov_len -=
3003 1.89 kiyohara sizeof(struct fwohci_trailer)) == 0)
3004 1.89 kiyohara nvec--;
3005 1.89 kiyohara rb.fc = &sc->fc;
3006 1.89 kiyohara rb.vec = vec;
3007 1.89 kiyohara rb.nvec = nvec;
3008 1.89 kiyohara rb.spd = spd;
3009 1.89 kiyohara fw_rcv(&rb);
3010 1.62 haya break;
3011 1.89 kiyohara }
3012 1.89 kiyohara case FWOHCIEV_BUSRST:
3013 1.89 kiyohara if (sc->fc.status != FWBUSRESET)
3014 1.89 kiyohara printf("got BUSRST packet!?\n");
3015 1.62 haya break;
3016 1.62 haya default:
3017 1.89 kiyohara device_printf(sc->fc.dev,
3018 1.89 kiyohara "Async DMA Receive error err=%02x %s"
3019 1.89 kiyohara " plen=%d offset=%d len=%d status=0x%08x"
3020 1.89 kiyohara " tcode=0x%x, stat=0x%08x\n",
3021 1.89 kiyohara event, fwohcicode[event], plen,
3022 1.89 kiyohara dbch->buf_offset, len,
3023 1.89 kiyohara OREAD(sc, OHCI_DMACTL(off)),
3024 1.89 kiyohara fp->mode.common.tcode, stat);
3025 1.89 kiyohara #if 1 /* XXX */
3026 1.89 kiyohara goto err;
3027 1.89 kiyohara #endif
3028 1.62 haya break;
3029 1.62 haya }
3030 1.89 kiyohara pcnt ++;
3031 1.89 kiyohara if (dbch->pdb_tr != NULL) {
3032 1.89 kiyohara fwohci_arcv_free_buf(sc, dbch, dbch->pdb_tr,
3033 1.89 kiyohara off, 1);
3034 1.89 kiyohara dbch->pdb_tr = NULL;
3035 1.89 kiyohara }
3036 1.62 haya
3037 1.62 haya }
3038 1.89 kiyohara out:
3039 1.89 kiyohara if (resCount == 0) {
3040 1.89 kiyohara /* done on this buffer */
3041 1.89 kiyohara if (dbch->pdb_tr == NULL) {
3042 1.89 kiyohara fwohci_arcv_free_buf(sc, dbch, db_tr, off, 1);
3043 1.89 kiyohara dbch->buf_offset = 0;
3044 1.89 kiyohara } else
3045 1.89 kiyohara if (dbch->pdb_tr != db_tr)
3046 1.89 kiyohara printf("pdb_tr != db_tr\n");
3047 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link);
3048 1.89 kiyohara status = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res)
3049 1.89 kiyohara >> OHCI_STATUS_SHIFT;
3050 1.89 kiyohara resCount = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res)
3051 1.89 kiyohara & OHCI_COUNT_MASK;
3052 1.89 kiyohara /* XXX check buffer overrun */
3053 1.89 kiyohara dbch->top = db_tr;
3054 1.62 haya } else {
3055 1.89 kiyohara dbch->buf_offset = dbch->xferq.psize - resCount;
3056 1.89 kiyohara fw_bus_dmamap_sync(
3057 1.89 kiyohara dbch->dmat, db_tr->dma_map, BUS_DMASYNC_PREREAD);
3058 1.62 haya break;
3059 1.62 haya }
3060 1.89 kiyohara /* XXX make sure DMA is not dead */
3061 1.62 haya }
3062 1.89 kiyohara #if 0
3063 1.89 kiyohara if (pcnt < 1)
3064 1.89 kiyohara printf("fwohci_arcv: no packets\n");
3065 1.89 kiyohara #endif
3066 1.89 kiyohara splx(s);
3067 1.89 kiyohara return;
3068 1.62 haya
3069 1.89 kiyohara err:
3070 1.89 kiyohara device_printf(sc->fc.dev, "AR DMA status=%x, ",
3071 1.89 kiyohara OREAD(sc, OHCI_DMACTL(off)));
3072 1.89 kiyohara dbch->pdb_tr = NULL;
3073 1.89 kiyohara /* skip until resCount != 0 */
3074 1.89 kiyohara printf(" skip buffer");
3075 1.89 kiyohara while (resCount == 0) {
3076 1.89 kiyohara printf(" #");
3077 1.89 kiyohara fwohci_arcv_free_buf(sc, dbch, db_tr, off, 0);
3078 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link);
3079 1.89 kiyohara resCount = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res)
3080 1.89 kiyohara & OHCI_COUNT_MASK;
3081 1.89 kiyohara }
3082 1.89 kiyohara printf(" done\n");
3083 1.89 kiyohara dbch->top = db_tr;
3084 1.89 kiyohara dbch->buf_offset = dbch->xferq.psize - resCount;
3085 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_WAKE);
3086 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map, BUS_DMASYNC_PREREAD);
3087 1.89 kiyohara splx(s);
3088 1.62 haya }
3089 1.89 kiyohara #if defined(__NetBSD__)
3090 1.62 haya
3091 1.89 kiyohara int
3092 1.89 kiyohara fwohci_print(void *aux, const char *pnp)
3093 1.89 kiyohara {
3094 1.89 kiyohara char *name = aux;
3095 1.62 haya
3096 1.89 kiyohara if (pnp)
3097 1.89 kiyohara aprint_normal("%s at %s", name, pnp);
3098 1.62 haya
3099 1.89 kiyohara return UNCONF;
3100 1.62 haya }
3101 1.89 kiyohara #endif
3102