fwohci.c revision 1.103
1 1.103 christos /* $NetBSD: fwohci.c,v 1.103 2006/11/16 01:32:59 christos 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 1.100 blymn * 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 1.103 christos __KERNEL_RCSID(0, "$NetBSD: fwohci.c,v 1.103 2006/11/16 01:32:59 christos 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 1.100 blymn 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 1.100 blymn 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 1.100 blymn * 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 1.100 blymn /* 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 1.100 blymn OHCI_INT_ERR | OHCI_INT_PHY_SID 671 1.100 blymn | 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 1.100 blymn 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 1.103 christos 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 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 955 1.99 kiyohara BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 956 1.89 kiyohara db_tr = dbch->top; 957 1.89 kiyohara txloop: 958 1.89 kiyohara xfer = STAILQ_FIRST(&dbch->xferq.q); 959 1.89 kiyohara if(xfer == NULL){ 960 1.89 kiyohara goto kick; 961 1.89 kiyohara } 962 1.89 kiyohara if(dbch->xferq.queued == 0 ){ 963 1.89 kiyohara device_printf(sc->fc.dev, "TX queue empty\n"); 964 1.89 kiyohara } 965 1.89 kiyohara STAILQ_REMOVE_HEAD(&dbch->xferq.q, link); 966 1.89 kiyohara db_tr->xfer = xfer; 967 1.89 kiyohara xfer->state = FWXF_START; 968 1.89 kiyohara 969 1.89 kiyohara fp = &xfer->send.hdr; 970 1.89 kiyohara tcode = fp->mode.common.tcode; 971 1.89 kiyohara 972 1.89 kiyohara ohcifp = (struct fwohci_txpkthdr *) db_tr->db[1].db.immed; 973 1.89 kiyohara info = &tinfo[tcode]; 974 1.89 kiyohara hdr_len = pl_off = info->hdr_len; 975 1.89 kiyohara 976 1.89 kiyohara ld = &ohcifp->mode.ld[0]; 977 1.89 kiyohara ld[0] = ld[1] = ld[2] = ld[3] = 0; 978 1.89 kiyohara for( i = 0 ; i < pl_off ; i+= 4) 979 1.89 kiyohara ld[i/4] = fp->mode.ld[i/4]; 980 1.89 kiyohara 981 1.89 kiyohara ohcifp->mode.common.spd = xfer->send.spd & 0x7; 982 1.89 kiyohara if (tcode == FWTCODE_STREAM ){ 983 1.89 kiyohara hdr_len = 8; 984 1.89 kiyohara ohcifp->mode.stream.len = fp->mode.stream.len; 985 1.89 kiyohara } else if (tcode == FWTCODE_PHY) { 986 1.89 kiyohara hdr_len = 12; 987 1.89 kiyohara ld[1] = fp->mode.ld[1]; 988 1.89 kiyohara ld[2] = fp->mode.ld[2]; 989 1.89 kiyohara ohcifp->mode.common.spd = 0; 990 1.89 kiyohara ohcifp->mode.common.tcode = FWOHCITCODE_PHY; 991 1.89 kiyohara } else { 992 1.89 kiyohara ohcifp->mode.asycomm.dst = fp->mode.hdr.dst; 993 1.89 kiyohara ohcifp->mode.asycomm.srcbus = OHCI_ASYSRCBUS; 994 1.89 kiyohara ohcifp->mode.asycomm.tlrt |= FWRETRY_X; 995 1.89 kiyohara } 996 1.89 kiyohara db = &db_tr->db[0]; 997 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.cmd, 998 1.89 kiyohara OHCI_OUTPUT_MORE | OHCI_KEY_ST2 | hdr_len); 999 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.addr, 0); 1000 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res, 0); 1001 1.89 kiyohara /* Specify bound timer of asy. responce */ 1002 1.89 kiyohara if(&sc->atrs == dbch){ 1003 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res, 1004 1.89 kiyohara (OREAD(sc, OHCI_CYCLETIMER) >> 12) + (1 << 13)); 1005 1.89 kiyohara } 1006 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN 1007 1.89 kiyohara if (tcode == FWTCODE_WREQQ || tcode == FWTCODE_RRESQ) 1008 1.89 kiyohara hdr_len = 12; 1009 1.89 kiyohara for (i = 0; i < hdr_len/4; i ++) 1010 1.89 kiyohara FWOHCI_DMA_WRITE(ld[i], ld[i]); 1011 1.89 kiyohara #endif 1012 1.89 kiyohara 1013 1.89 kiyohara again: 1014 1.89 kiyohara db_tr->dbcnt = 2; 1015 1.89 kiyohara db = &db_tr->db[db_tr->dbcnt]; 1016 1.89 kiyohara if (xfer->send.pay_len > 0) { 1017 1.89 kiyohara int err; 1018 1.89 kiyohara /* handle payload */ 1019 1.89 kiyohara if (xfer->mbuf == NULL) { 1020 1.89 kiyohara err = fw_bus_dmamap_load(dbch->dmat, db_tr->dma_map, 1021 1.89 kiyohara &xfer->send.payload[0], xfer->send.pay_len, 1022 1.89 kiyohara fwohci_execute_db, db_tr, 1023 1.89 kiyohara BUS_DMA_WAITOK); 1024 1.89 kiyohara } else { 1025 1.89 kiyohara /* XXX we can handle only 6 (=8-2) mbuf chains */ 1026 1.89 kiyohara err = fw_bus_dmamap_load_mbuf(dbch->dmat, 1027 1.89 kiyohara db_tr->dma_map, xfer->mbuf, 1028 1.89 kiyohara fwohci_execute_db2, db_tr, 1029 1.89 kiyohara BUS_DMA_WAITOK); 1030 1.89 kiyohara if (err == EFBIG) { 1031 1.89 kiyohara struct mbuf *m0; 1032 1.89 kiyohara 1033 1.89 kiyohara if (firewire_debug) 1034 1.89 kiyohara device_printf(sc->fc.dev, "EFBIG.\n"); 1035 1.89 kiyohara m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1036 1.89 kiyohara if (m0 != NULL) { 1037 1.89 kiyohara m_copydata(xfer->mbuf, 0, 1038 1.89 kiyohara xfer->mbuf->m_pkthdr.len, 1039 1.89 kiyohara mtod(m0, caddr_t)); 1040 1.100 blymn m0->m_len = m0->m_pkthdr.len = 1041 1.89 kiyohara xfer->mbuf->m_pkthdr.len; 1042 1.89 kiyohara m_freem(xfer->mbuf); 1043 1.89 kiyohara xfer->mbuf = m0; 1044 1.89 kiyohara goto again; 1045 1.89 kiyohara } 1046 1.89 kiyohara device_printf(sc->fc.dev, "m_getcl failed.\n"); 1047 1.89 kiyohara } 1048 1.89 kiyohara } 1049 1.89 kiyohara if (err) 1050 1.89 kiyohara printf("dmamap_load: err=%d\n", err); 1051 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map, 1052 1.89 kiyohara BUS_DMASYNC_PREWRITE); 1053 1.89 kiyohara #if 0 /* OHCI_OUTPUT_MODE == 0 */ 1054 1.89 kiyohara for (i = 2; i < db_tr->dbcnt; i++) 1055 1.89 kiyohara FWOHCI_DMA_SET(db_tr->db[i].db.desc.cmd, 1056 1.89 kiyohara OHCI_OUTPUT_MORE); 1057 1.89 kiyohara #endif 1058 1.89 kiyohara } 1059 1.89 kiyohara if (maxdesc < db_tr->dbcnt) { 1060 1.89 kiyohara maxdesc = db_tr->dbcnt; 1061 1.89 kiyohara if (firewire_debug) 1062 1.89 kiyohara device_printf(sc->fc.dev, "maxdesc: %d\n", maxdesc); 1063 1.89 kiyohara } 1064 1.89 kiyohara /* last db */ 1065 1.89 kiyohara LAST_DB(db_tr, db); 1066 1.89 kiyohara FWOHCI_DMA_SET(db->db.desc.cmd, 1067 1.89 kiyohara OHCI_OUTPUT_LAST | OHCI_INTERRUPT_ALWAYS | OHCI_BRANCH_ALWAYS); 1068 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.depend, 1069 1.89 kiyohara STAILQ_NEXT(db_tr, link)->bus_addr); 1070 1.89 kiyohara 1071 1.89 kiyohara if(fsegment == -1 ) 1072 1.89 kiyohara fsegment = db_tr->dbcnt; 1073 1.89 kiyohara if (dbch->pdb_tr != NULL) { 1074 1.89 kiyohara LAST_DB(dbch->pdb_tr, db); 1075 1.89 kiyohara FWOHCI_DMA_SET(db->db.desc.depend, db_tr->dbcnt); 1076 1.89 kiyohara } 1077 1.89 kiyohara dbch->pdb_tr = db_tr; 1078 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link); 1079 1.89 kiyohara if(db_tr != dbch->bottom){ 1080 1.89 kiyohara goto txloop; 1081 1.89 kiyohara } else { 1082 1.89 kiyohara device_printf(sc->fc.dev, "fwohci_start: lack of db_trq\n"); 1083 1.89 kiyohara dbch->flags |= FWOHCI_DBCH_FULL; 1084 1.89 kiyohara } 1085 1.89 kiyohara kick: 1086 1.89 kiyohara /* kick asy q */ 1087 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 1088 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1089 1.99 kiyohara 1090 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING) { 1091 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_WAKE); 1092 1.89 kiyohara } else { 1093 1.89 kiyohara if (firewire_debug) 1094 1.89 kiyohara device_printf(sc->fc.dev, "start AT DMA status=%x\n", 1095 1.89 kiyohara OREAD(sc, OHCI_DMACTL(off))); 1096 1.89 kiyohara OWRITE(sc, OHCI_DMACMD(off), dbch->top->bus_addr | fsegment); 1097 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_RUN); 1098 1.89 kiyohara dbch->xferq.flag |= FWXFERQ_RUNNING; 1099 1.62 haya } 1100 1.89 kiyohara CTR0(KTR_DEV, "start kick done"); 1101 1.89 kiyohara CTR0(KTR_DEV, "start kick done2"); 1102 1.24 jmc 1103 1.89 kiyohara dbch->top = db_tr; 1104 1.89 kiyohara splx(s); 1105 1.89 kiyohara return; 1106 1.89 kiyohara } 1107 1.24 jmc 1108 1.89 kiyohara static void 1109 1.89 kiyohara fwohci_start_atq(struct firewire_comm *fc) 1110 1.89 kiyohara { 1111 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc; 1112 1.89 kiyohara fwohci_start( sc, &(sc->atrq)); 1113 1.89 kiyohara return; 1114 1.89 kiyohara } 1115 1.24 jmc 1116 1.89 kiyohara static void 1117 1.89 kiyohara fwohci_start_ats(struct firewire_comm *fc) 1118 1.89 kiyohara { 1119 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc; 1120 1.89 kiyohara fwohci_start( sc, &(sc->atrs)); 1121 1.89 kiyohara return; 1122 1.89 kiyohara } 1123 1.62 haya 1124 1.89 kiyohara void 1125 1.89 kiyohara fwohci_txd(struct fwohci_softc *sc, struct fwohci_dbch *dbch) 1126 1.89 kiyohara { 1127 1.89 kiyohara int s, ch, err = 0; 1128 1.89 kiyohara struct fwohcidb_tr *tr; 1129 1.89 kiyohara struct fwohcidb *db; 1130 1.89 kiyohara struct fw_xfer *xfer; 1131 1.89 kiyohara uint32_t off; 1132 1.89 kiyohara u_int stat, status; 1133 1.89 kiyohara int packets; 1134 1.89 kiyohara struct firewire_comm *fc = (struct firewire_comm *)sc; 1135 1.89 kiyohara 1136 1.89 kiyohara if(&sc->atrq == dbch){ 1137 1.89 kiyohara off = OHCI_ATQOFF; 1138 1.89 kiyohara ch = ATRQ_CH; 1139 1.89 kiyohara }else if(&sc->atrs == dbch){ 1140 1.89 kiyohara off = OHCI_ATSOFF; 1141 1.89 kiyohara ch = ATRS_CH; 1142 1.89 kiyohara }else{ 1143 1.89 kiyohara return; 1144 1.89 kiyohara } 1145 1.89 kiyohara s = splfw(); 1146 1.89 kiyohara tr = dbch->bottom; 1147 1.89 kiyohara packets = 0; 1148 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 1149 1.99 kiyohara BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 1150 1.89 kiyohara while(dbch->xferq.queued > 0){ 1151 1.89 kiyohara LAST_DB(tr, db); 1152 1.89 kiyohara status = FWOHCI_DMA_READ(db->db.desc.res) >> OHCI_STATUS_SHIFT; 1153 1.89 kiyohara if(!(status & OHCI_CNTL_DMA_ACTIVE)){ 1154 1.89 kiyohara if (fc->status != FWBUSRESET) 1155 1.89 kiyohara /* maybe out of order?? */ 1156 1.89 kiyohara goto out; 1157 1.89 kiyohara } 1158 1.89 kiyohara if (tr->xfer->send.pay_len > 0) { 1159 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, tr->dma_map, 1160 1.89 kiyohara BUS_DMASYNC_POSTWRITE); 1161 1.89 kiyohara fw_bus_dmamap_unload(dbch->dmat, tr->dma_map); 1162 1.89 kiyohara } 1163 1.89 kiyohara #if 1 1164 1.89 kiyohara if (firewire_debug > 1) 1165 1.89 kiyohara dump_db(sc, ch); 1166 1.89 kiyohara #endif 1167 1.89 kiyohara if(status & OHCI_CNTL_DMA_DEAD) { 1168 1.89 kiyohara /* Stop DMA */ 1169 1.89 kiyohara OWRITE(sc, OHCI_DMACTLCLR(off), OHCI_CNTL_DMA_RUN); 1170 1.89 kiyohara device_printf(sc->fc.dev, "force reset AT FIFO\n"); 1171 1.89 kiyohara OWRITE(sc, OHCI_HCCCTLCLR, OHCI_HCC_LINKEN); 1172 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_LPS | OHCI_HCC_LINKEN); 1173 1.89 kiyohara OWRITE(sc, OHCI_DMACTLCLR(off), OHCI_CNTL_DMA_RUN); 1174 1.89 kiyohara } 1175 1.89 kiyohara stat = status & FWOHCIEV_MASK; 1176 1.89 kiyohara switch(stat){ 1177 1.89 kiyohara case FWOHCIEV_ACKPEND: 1178 1.89 kiyohara CTR0(KTR_DEV, "txd: ack pending"); 1179 1.89 kiyohara /* fall through */ 1180 1.89 kiyohara case FWOHCIEV_ACKCOMPL: 1181 1.89 kiyohara err = 0; 1182 1.89 kiyohara break; 1183 1.89 kiyohara case FWOHCIEV_ACKBSA: 1184 1.89 kiyohara case FWOHCIEV_ACKBSB: 1185 1.89 kiyohara case FWOHCIEV_ACKBSX: 1186 1.89 kiyohara device_printf(sc->fc.dev, "txd err=%2x %s\n", stat, fwohcicode[stat]); 1187 1.89 kiyohara err = EBUSY; 1188 1.89 kiyohara break; 1189 1.89 kiyohara case FWOHCIEV_FLUSHED: 1190 1.89 kiyohara case FWOHCIEV_ACKTARD: 1191 1.89 kiyohara device_printf(sc->fc.dev, "txd err=%2x %s\n", stat, fwohcicode[stat]); 1192 1.89 kiyohara err = EAGAIN; 1193 1.89 kiyohara break; 1194 1.89 kiyohara case FWOHCIEV_MISSACK: 1195 1.89 kiyohara case FWOHCIEV_UNDRRUN: 1196 1.89 kiyohara case FWOHCIEV_OVRRUN: 1197 1.89 kiyohara case FWOHCIEV_DESCERR: 1198 1.89 kiyohara case FWOHCIEV_DTRDERR: 1199 1.89 kiyohara case FWOHCIEV_TIMEOUT: 1200 1.89 kiyohara case FWOHCIEV_TCODERR: 1201 1.89 kiyohara case FWOHCIEV_UNKNOWN: 1202 1.89 kiyohara case FWOHCIEV_ACKDERR: 1203 1.89 kiyohara case FWOHCIEV_ACKTERR: 1204 1.89 kiyohara default: 1205 1.89 kiyohara device_printf(sc->fc.dev, "txd err=%2x %s\n", 1206 1.89 kiyohara stat, fwohcicode[stat]); 1207 1.89 kiyohara err = EINVAL; 1208 1.89 kiyohara break; 1209 1.89 kiyohara } 1210 1.89 kiyohara if (tr->xfer != NULL) { 1211 1.89 kiyohara xfer = tr->xfer; 1212 1.89 kiyohara CTR0(KTR_DEV, "txd"); 1213 1.89 kiyohara if (xfer->state == FWXF_RCVD) { 1214 1.62 haya #if 0 1215 1.89 kiyohara if (firewire_debug) 1216 1.89 kiyohara printf("already rcvd\n"); 1217 1.62 haya #endif 1218 1.89 kiyohara fw_xfer_done(xfer); 1219 1.89 kiyohara } else { 1220 1.89 kiyohara xfer->state = FWXF_SENT; 1221 1.89 kiyohara if (err == EBUSY && fc->status != FWBUSRESET) { 1222 1.89 kiyohara xfer->state = FWXF_BUSY; 1223 1.89 kiyohara xfer->resp = err; 1224 1.89 kiyohara xfer->recv.pay_len = 0; 1225 1.89 kiyohara fw_xfer_done(xfer); 1226 1.89 kiyohara } else if (stat != FWOHCIEV_ACKPEND) { 1227 1.89 kiyohara if (stat != FWOHCIEV_ACKCOMPL) 1228 1.89 kiyohara xfer->state = FWXF_SENTERR; 1229 1.89 kiyohara xfer->resp = err; 1230 1.89 kiyohara xfer->recv.pay_len = 0; 1231 1.89 kiyohara fw_xfer_done(xfer); 1232 1.89 kiyohara } 1233 1.89 kiyohara } 1234 1.89 kiyohara /* 1235 1.89 kiyohara * The watchdog timer takes care of split 1236 1.89 kiyohara * transcation timeout for ACKPEND case. 1237 1.89 kiyohara */ 1238 1.89 kiyohara } else { 1239 1.89 kiyohara printf("this shouldn't happen\n"); 1240 1.89 kiyohara } 1241 1.89 kiyohara dbch->xferq.queued --; 1242 1.89 kiyohara tr->xfer = NULL; 1243 1.62 haya 1244 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, BUS_DMASYNC_PREREAD); 1245 1.89 kiyohara packets ++; 1246 1.89 kiyohara tr = STAILQ_NEXT(tr, link); 1247 1.89 kiyohara dbch->bottom = tr; 1248 1.89 kiyohara if (dbch->bottom == dbch->top) { 1249 1.89 kiyohara /* we reaches the end of context program */ 1250 1.89 kiyohara if (firewire_debug && dbch->xferq.queued > 0) 1251 1.89 kiyohara printf("queued > 0\n"); 1252 1.89 kiyohara break; 1253 1.89 kiyohara } 1254 1.89 kiyohara } 1255 1.89 kiyohara out: 1256 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_FULL) && packets > 0) { 1257 1.89 kiyohara printf("make free slot\n"); 1258 1.89 kiyohara dbch->flags &= ~FWOHCI_DBCH_FULL; 1259 1.89 kiyohara fwohci_start(sc, dbch); 1260 1.89 kiyohara } 1261 1.99 kiyohara fwdma_sync_multiseg_all( 1262 1.99 kiyohara dbch->am, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1263 1.89 kiyohara splx(s); 1264 1.24 jmc } 1265 1.24 jmc 1266 1.24 jmc static void 1267 1.89 kiyohara fwohci_db_free(struct fwohci_dbch *dbch) 1268 1.24 jmc { 1269 1.89 kiyohara struct fwohcidb_tr *db_tr; 1270 1.89 kiyohara int idb; 1271 1.26 enami 1272 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0) 1273 1.89 kiyohara return; 1274 1.26 enami 1275 1.89 kiyohara for(db_tr = STAILQ_FIRST(&dbch->db_trq), idb = 0; idb < dbch->ndb; 1276 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link), idb++){ 1277 1.89 kiyohara if ((dbch->xferq.flag & FWXFERQ_EXTBUF) == 0 && 1278 1.89 kiyohara db_tr->buf != NULL) { 1279 1.89 kiyohara fwdma_free_size(dbch->dmat, db_tr->dma_map, 1280 1.89 kiyohara db_tr->buf, dbch->xferq.psize); 1281 1.89 kiyohara db_tr->buf = NULL; 1282 1.89 kiyohara } else if (db_tr->dma_map != NULL) 1283 1.89 kiyohara fw_bus_dmamap_destroy(dbch->dmat, db_tr->dma_map); 1284 1.89 kiyohara } 1285 1.89 kiyohara dbch->ndb = 0; 1286 1.89 kiyohara db_tr = STAILQ_FIRST(&dbch->db_trq); 1287 1.89 kiyohara fwdma_free_multiseg(dbch->am); 1288 1.89 kiyohara free(db_tr, M_FW); 1289 1.89 kiyohara STAILQ_INIT(&dbch->db_trq); 1290 1.89 kiyohara dbch->flags &= ~FWOHCI_DBCH_INIT; 1291 1.89 kiyohara } 1292 1.26 enami 1293 1.89 kiyohara static void 1294 1.89 kiyohara fwohci_db_init(struct fwohci_softc *sc, struct fwohci_dbch *dbch) 1295 1.89 kiyohara { 1296 1.89 kiyohara int idb; 1297 1.89 kiyohara struct fwohcidb_tr *db_tr; 1298 1.89 kiyohara 1299 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) != 0) 1300 1.89 kiyohara goto out; 1301 1.89 kiyohara 1302 1.89 kiyohara /* create dma_tag for buffers */ 1303 1.89 kiyohara #define MAX_REQCOUNT 0xffff 1304 1.89 kiyohara if (fw_bus_dma_tag_create(/*parent*/ sc->fc.dmat, 1305 1.89 kiyohara /*alignment*/ 1, /*boundary*/ 0, 1306 1.89 kiyohara /*lowaddr*/ BUS_SPACE_MAXADDR_32BIT, 1307 1.89 kiyohara /*highaddr*/ BUS_SPACE_MAXADDR, 1308 1.89 kiyohara /*filter*/NULL, /*filterarg*/NULL, 1309 1.89 kiyohara /*maxsize*/ dbch->xferq.psize, 1310 1.89 kiyohara /*nsegments*/ dbch->ndesc > 3 ? dbch->ndesc - 2 : 1, 1311 1.89 kiyohara /*maxsegsz*/ MAX_REQCOUNT, 1312 1.89 kiyohara /*flags*/ 0, 1313 1.89 kiyohara /*lockfunc*/busdma_lock_mutex, 1314 1.89 kiyohara /*lockarg*/&Giant, 1315 1.89 kiyohara &dbch->dmat)) 1316 1.89 kiyohara return; 1317 1.26 enami 1318 1.89 kiyohara /* allocate DB entries and attach one to each DMA channels */ 1319 1.89 kiyohara /* DB entry must start at 16 bytes bounary. */ 1320 1.89 kiyohara STAILQ_INIT(&dbch->db_trq); 1321 1.89 kiyohara db_tr = (struct fwohcidb_tr *) 1322 1.89 kiyohara malloc(sizeof(struct fwohcidb_tr) * dbch->ndb, 1323 1.89 kiyohara M_FW, M_WAITOK | M_ZERO); 1324 1.89 kiyohara if(db_tr == NULL){ 1325 1.89 kiyohara printf("fwohci_db_init: malloc(1) failed\n"); 1326 1.89 kiyohara return; 1327 1.89 kiyohara } 1328 1.26 enami 1329 1.89 kiyohara #define DB_SIZE(x) (sizeof(struct fwohcidb) * (x)->ndesc) 1330 1.89 kiyohara dbch->am = fwdma_malloc_multiseg(&sc->fc, DB_SIZE(dbch), 1331 1.97 kiyohara DB_SIZE(dbch), dbch->ndb, BUS_DMA_WAITOK | BUS_DMA_COHERENT); 1332 1.89 kiyohara if (dbch->am == NULL) { 1333 1.89 kiyohara printf("fwohci_db_init: fwdma_malloc_multiseg failed\n"); 1334 1.89 kiyohara free(db_tr, M_FW); 1335 1.89 kiyohara return; 1336 1.89 kiyohara } 1337 1.89 kiyohara /* Attach DB to DMA ch. */ 1338 1.89 kiyohara for(idb = 0 ; idb < dbch->ndb ; idb++){ 1339 1.89 kiyohara db_tr->dbcnt = 0; 1340 1.89 kiyohara db_tr->db = (struct fwohcidb *)fwdma_v_addr(dbch->am, idb); 1341 1.89 kiyohara db_tr->bus_addr = fwdma_bus_addr(dbch->am, idb); 1342 1.89 kiyohara /* create dmamap for buffers */ 1343 1.89 kiyohara /* XXX do we need 4bytes alignment tag? */ 1344 1.89 kiyohara /* XXX don't alloc dma_map for AR */ 1345 1.96 kiyohara if (fw_bus_dmamap_create(dbch->dmat, 0, &db_tr->dma_map) != 0) { 1346 1.96 kiyohara printf("fw_bus_dmamap_create failed\n"); 1347 1.89 kiyohara dbch->flags = FWOHCI_DBCH_INIT; /* XXX fake */ 1348 1.89 kiyohara fwohci_db_free(dbch); 1349 1.89 kiyohara return; 1350 1.35 onoe } 1351 1.89 kiyohara STAILQ_INSERT_TAIL(&dbch->db_trq, db_tr, link); 1352 1.89 kiyohara if (dbch->xferq.flag & FWXFERQ_EXTBUF) { 1353 1.89 kiyohara if (idb % dbch->xferq.bnpacket == 0) 1354 1.89 kiyohara dbch->xferq.bulkxfer[idb / dbch->xferq.bnpacket 1355 1.89 kiyohara ].start = (caddr_t)db_tr; 1356 1.89 kiyohara if ((idb + 1) % dbch->xferq.bnpacket == 0) 1357 1.89 kiyohara dbch->xferq.bulkxfer[idb / dbch->xferq.bnpacket 1358 1.89 kiyohara ].end = (caddr_t)db_tr; 1359 1.26 enami } 1360 1.89 kiyohara db_tr++; 1361 1.26 enami } 1362 1.89 kiyohara STAILQ_LAST(&dbch->db_trq, fwohcidb_tr,link)->link.stqe_next 1363 1.89 kiyohara = STAILQ_FIRST(&dbch->db_trq); 1364 1.89 kiyohara out: 1365 1.89 kiyohara dbch->xferq.queued = 0; 1366 1.89 kiyohara dbch->pdb_tr = NULL; 1367 1.89 kiyohara dbch->top = STAILQ_FIRST(&dbch->db_trq); 1368 1.89 kiyohara dbch->bottom = dbch->top; 1369 1.89 kiyohara dbch->flags = FWOHCI_DBCH_INIT; 1370 1.24 jmc } 1371 1.24 jmc 1372 1.5 matt static int 1373 1.89 kiyohara fwohci_itx_disable(struct firewire_comm *fc, int dmach) 1374 1.5 matt { 1375 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc; 1376 1.89 kiyohara int sleepch; 1377 1.5 matt 1378 1.100 blymn OWRITE(sc, OHCI_ITCTLCLR(dmach), 1379 1.89 kiyohara OHCI_CNTL_DMA_RUN | OHCI_CNTL_CYCMATCH_S); 1380 1.89 kiyohara OWRITE(sc, OHCI_IT_MASKCLR, 1 << dmach); 1381 1.89 kiyohara OWRITE(sc, OHCI_IT_STATCLR, 1 << dmach); 1382 1.89 kiyohara /* XXX we cannot free buffers until the DMA really stops */ 1383 1.89 kiyohara tsleep((void *)&sleepch, FWPRI, "fwitxd", hz); 1384 1.89 kiyohara fwohci_db_free(&sc->it[dmach]); 1385 1.89 kiyohara sc->it[dmach].xferq.flag &= ~FWXFERQ_RUNNING; 1386 1.89 kiyohara return 0; 1387 1.5 matt } 1388 1.5 matt 1389 1.89 kiyohara static int 1390 1.89 kiyohara fwohci_irx_disable(struct firewire_comm *fc, int dmach) 1391 1.3 onoe { 1392 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc; 1393 1.89 kiyohara int sleepch; 1394 1.3 onoe 1395 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(dmach), OHCI_CNTL_DMA_RUN); 1396 1.89 kiyohara OWRITE(sc, OHCI_IR_MASKCLR, 1 << dmach); 1397 1.89 kiyohara OWRITE(sc, OHCI_IR_STATCLR, 1 << dmach); 1398 1.89 kiyohara /* XXX we cannot free buffers until the DMA really stops */ 1399 1.89 kiyohara tsleep((void *)&sleepch, FWPRI, "fwirxd", hz); 1400 1.89 kiyohara fwohci_db_free(&sc->ir[dmach]); 1401 1.89 kiyohara sc->ir[dmach].xferq.flag &= ~FWXFERQ_RUNNING; 1402 1.89 kiyohara return 0; 1403 1.89 kiyohara } 1404 1.3 onoe 1405 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN 1406 1.89 kiyohara static void 1407 1.89 kiyohara fwohci_irx_post (struct firewire_comm *fc , uint32_t *qld) 1408 1.89 kiyohara { 1409 1.89 kiyohara qld[0] = FWOHCI_DMA_READ(qld[0]); 1410 1.89 kiyohara return; 1411 1.3 onoe } 1412 1.89 kiyohara #endif 1413 1.3 onoe 1414 1.89 kiyohara static int 1415 1.89 kiyohara fwohci_tx_enable(struct fwohci_softc *sc, struct fwohci_dbch *dbch) 1416 1.7 onoe { 1417 1.89 kiyohara int err = 0; 1418 1.89 kiyohara int idb, z, i, dmach = 0, ldesc; 1419 1.89 kiyohara uint32_t off = 0; 1420 1.89 kiyohara struct fwohcidb_tr *db_tr; 1421 1.89 kiyohara struct fwohcidb *db; 1422 1.7 onoe 1423 1.89 kiyohara if(!(dbch->xferq.flag & FWXFERQ_EXTBUF)){ 1424 1.89 kiyohara err = EINVAL; 1425 1.89 kiyohara return err; 1426 1.89 kiyohara } 1427 1.89 kiyohara z = dbch->ndesc; 1428 1.89 kiyohara for(dmach = 0 ; dmach < sc->fc.nisodma ; dmach++){ 1429 1.89 kiyohara if( &sc->it[dmach] == dbch){ 1430 1.89 kiyohara off = OHCI_ITOFF(dmach); 1431 1.7 onoe break; 1432 1.89 kiyohara } 1433 1.7 onoe } 1434 1.89 kiyohara if(off == 0){ 1435 1.89 kiyohara err = EINVAL; 1436 1.89 kiyohara return err; 1437 1.89 kiyohara } 1438 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING) 1439 1.89 kiyohara return err; 1440 1.89 kiyohara dbch->xferq.flag |= FWXFERQ_RUNNING; 1441 1.89 kiyohara for( i = 0, dbch->bottom = dbch->top; i < (dbch->ndb - 1); i++){ 1442 1.89 kiyohara dbch->bottom = STAILQ_NEXT(dbch->bottom, link); 1443 1.89 kiyohara } 1444 1.89 kiyohara db_tr = dbch->top; 1445 1.89 kiyohara for (idb = 0; idb < dbch->ndb; idb ++) { 1446 1.89 kiyohara fwohci_add_tx_buf(dbch, db_tr, idb); 1447 1.89 kiyohara if(STAILQ_NEXT(db_tr, link) == NULL){ 1448 1.89 kiyohara break; 1449 1.89 kiyohara } 1450 1.89 kiyohara db = db_tr->db; 1451 1.89 kiyohara ldesc = db_tr->dbcnt - 1; 1452 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.depend, 1453 1.89 kiyohara STAILQ_NEXT(db_tr, link)->bus_addr | z); 1454 1.89 kiyohara db[ldesc].db.desc.depend = db[0].db.desc.depend; 1455 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_EXTBUF){ 1456 1.89 kiyohara if(((idb + 1 ) % dbch->xferq.bnpacket) == 0){ 1457 1.89 kiyohara FWOHCI_DMA_SET( 1458 1.89 kiyohara db[ldesc].db.desc.cmd, 1459 1.89 kiyohara OHCI_INTERRUPT_ALWAYS); 1460 1.89 kiyohara /* OHCI 1.1 and above */ 1461 1.89 kiyohara FWOHCI_DMA_SET( 1462 1.89 kiyohara db[0].db.desc.cmd, 1463 1.89 kiyohara OHCI_INTERRUPT_ALWAYS); 1464 1.89 kiyohara } 1465 1.89 kiyohara } 1466 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link); 1467 1.89 kiyohara } 1468 1.89 kiyohara FWOHCI_DMA_CLEAR( 1469 1.89 kiyohara dbch->bottom->db[dbch->bottom->dbcnt - 1].db.desc.depend, 0xf); 1470 1.89 kiyohara return err; 1471 1.89 kiyohara } 1472 1.7 onoe 1473 1.89 kiyohara static int 1474 1.89 kiyohara fwohci_rx_enable(struct fwohci_softc *sc, struct fwohci_dbch *dbch) 1475 1.89 kiyohara { 1476 1.89 kiyohara int err = 0; 1477 1.89 kiyohara int idb, z, i, dmach = 0, ldesc; 1478 1.89 kiyohara uint32_t off = 0; 1479 1.89 kiyohara struct fwohcidb_tr *db_tr; 1480 1.89 kiyohara struct fwohcidb *db; 1481 1.89 kiyohara 1482 1.89 kiyohara z = dbch->ndesc; 1483 1.89 kiyohara if(&sc->arrq == dbch){ 1484 1.89 kiyohara off = OHCI_ARQOFF; 1485 1.89 kiyohara }else if(&sc->arrs == dbch){ 1486 1.89 kiyohara off = OHCI_ARSOFF; 1487 1.89 kiyohara }else{ 1488 1.89 kiyohara for(dmach = 0 ; dmach < sc->fc.nisodma ; dmach++){ 1489 1.89 kiyohara if( &sc->ir[dmach] == dbch){ 1490 1.89 kiyohara off = OHCI_IROFF(dmach); 1491 1.89 kiyohara break; 1492 1.89 kiyohara } 1493 1.89 kiyohara } 1494 1.89 kiyohara } 1495 1.89 kiyohara if(off == 0){ 1496 1.89 kiyohara err = EINVAL; 1497 1.89 kiyohara return err; 1498 1.89 kiyohara } 1499 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_STREAM){ 1500 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING) 1501 1.89 kiyohara return err; 1502 1.89 kiyohara }else{ 1503 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_RUNNING){ 1504 1.89 kiyohara err = EBUSY; 1505 1.89 kiyohara return err; 1506 1.89 kiyohara } 1507 1.89 kiyohara } 1508 1.89 kiyohara dbch->xferq.flag |= FWXFERQ_RUNNING; 1509 1.89 kiyohara dbch->top = STAILQ_FIRST(&dbch->db_trq); 1510 1.89 kiyohara for( i = 0, dbch->bottom = dbch->top; i < (dbch->ndb - 1); i++){ 1511 1.89 kiyohara dbch->bottom = STAILQ_NEXT(dbch->bottom, link); 1512 1.89 kiyohara } 1513 1.89 kiyohara db_tr = dbch->top; 1514 1.89 kiyohara for (idb = 0; idb < dbch->ndb; idb ++) { 1515 1.89 kiyohara fwohci_add_rx_buf(dbch, db_tr, idb, &sc->dummy_dma); 1516 1.89 kiyohara if (STAILQ_NEXT(db_tr, link) == NULL) 1517 1.89 kiyohara break; 1518 1.89 kiyohara db = db_tr->db; 1519 1.89 kiyohara ldesc = db_tr->dbcnt - 1; 1520 1.89 kiyohara FWOHCI_DMA_WRITE(db[ldesc].db.desc.depend, 1521 1.89 kiyohara STAILQ_NEXT(db_tr, link)->bus_addr | z); 1522 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_EXTBUF){ 1523 1.89 kiyohara if(((idb + 1 ) % dbch->xferq.bnpacket) == 0){ 1524 1.89 kiyohara FWOHCI_DMA_SET( 1525 1.89 kiyohara db[ldesc].db.desc.cmd, 1526 1.89 kiyohara OHCI_INTERRUPT_ALWAYS); 1527 1.89 kiyohara FWOHCI_DMA_CLEAR( 1528 1.89 kiyohara db[ldesc].db.desc.depend, 1529 1.89 kiyohara 0xf); 1530 1.89 kiyohara } 1531 1.89 kiyohara } 1532 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link); 1533 1.89 kiyohara } 1534 1.89 kiyohara FWOHCI_DMA_CLEAR( 1535 1.89 kiyohara dbch->bottom->db[db_tr->dbcnt - 1].db.desc.depend, 0xf); 1536 1.89 kiyohara dbch->buf_offset = 0; 1537 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 1538 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1539 1.89 kiyohara if(dbch->xferq.flag & FWXFERQ_STREAM){ 1540 1.89 kiyohara return err; 1541 1.89 kiyohara }else{ 1542 1.89 kiyohara OWRITE(sc, OHCI_DMACMD(off), dbch->top->bus_addr | z); 1543 1.89 kiyohara } 1544 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_RUN); 1545 1.89 kiyohara return err; 1546 1.89 kiyohara } 1547 1.7 onoe 1548 1.89 kiyohara static int 1549 1.103 christos fwohci_next_cycle(struct firewire_comm *fc, int cycle_now) 1550 1.89 kiyohara { 1551 1.89 kiyohara int sec, cycle, cycle_match; 1552 1.89 kiyohara 1553 1.89 kiyohara cycle = cycle_now & 0x1fff; 1554 1.89 kiyohara sec = cycle_now >> 13; 1555 1.89 kiyohara #define CYCLE_MOD 0x10 1556 1.89 kiyohara #if 1 1557 1.89 kiyohara #define CYCLE_DELAY 8 /* min delay to start DMA */ 1558 1.7 onoe #else 1559 1.89 kiyohara #define CYCLE_DELAY 7000 /* min delay to start DMA */ 1560 1.7 onoe #endif 1561 1.89 kiyohara cycle = cycle + CYCLE_DELAY; 1562 1.89 kiyohara if (cycle >= 8000) { 1563 1.89 kiyohara sec ++; 1564 1.89 kiyohara cycle -= 8000; 1565 1.89 kiyohara } 1566 1.89 kiyohara cycle = roundup2(cycle, CYCLE_MOD); 1567 1.89 kiyohara if (cycle >= 8000) { 1568 1.89 kiyohara sec ++; 1569 1.89 kiyohara if (cycle == 8000) 1570 1.89 kiyohara cycle = 0; 1571 1.89 kiyohara else 1572 1.89 kiyohara cycle = CYCLE_MOD; 1573 1.89 kiyohara } 1574 1.89 kiyohara cycle_match = ((sec << 13) | cycle) & 0x7ffff; 1575 1.89 kiyohara 1576 1.89 kiyohara return(cycle_match); 1577 1.89 kiyohara } 1578 1.89 kiyohara 1579 1.89 kiyohara static int 1580 1.89 kiyohara fwohci_itxbuf_enable(struct firewire_comm *fc, int dmach) 1581 1.89 kiyohara { 1582 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc; 1583 1.89 kiyohara int err = 0; 1584 1.89 kiyohara unsigned short tag, ich; 1585 1.89 kiyohara struct fwohci_dbch *dbch; 1586 1.89 kiyohara int cycle_match, cycle_now, s, ldesc; 1587 1.89 kiyohara uint32_t stat; 1588 1.89 kiyohara struct fw_bulkxfer *first, *chunk, *prev; 1589 1.89 kiyohara struct fw_xferq *it; 1590 1.89 kiyohara 1591 1.89 kiyohara dbch = &sc->it[dmach]; 1592 1.89 kiyohara it = &dbch->xferq; 1593 1.89 kiyohara 1594 1.89 kiyohara tag = (it->flag >> 6) & 3; 1595 1.89 kiyohara ich = it->flag & 0x3f; 1596 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0) { 1597 1.89 kiyohara dbch->ndb = it->bnpacket * it->bnchunk; 1598 1.89 kiyohara dbch->ndesc = 3; 1599 1.89 kiyohara fwohci_db_init(sc, dbch); 1600 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0) 1601 1.89 kiyohara return ENOMEM; 1602 1.89 kiyohara err = fwohci_tx_enable(sc, dbch); 1603 1.89 kiyohara } 1604 1.89 kiyohara if(err) 1605 1.89 kiyohara return err; 1606 1.89 kiyohara 1607 1.89 kiyohara ldesc = dbch->ndesc - 1; 1608 1.89 kiyohara s = splfw(); 1609 1.89 kiyohara prev = STAILQ_LAST(&it->stdma, fw_bulkxfer, link); 1610 1.89 kiyohara while ((chunk = STAILQ_FIRST(&it->stvalid)) != NULL) { 1611 1.89 kiyohara struct fwohcidb *db; 1612 1.89 kiyohara 1613 1.89 kiyohara fwdma_sync_multiseg(it->buf, chunk->poffset, it->bnpacket, 1614 1.89 kiyohara BUS_DMASYNC_PREWRITE); 1615 1.89 kiyohara fwohci_txbufdb(sc, dmach, chunk); 1616 1.89 kiyohara if (prev != NULL) { 1617 1.89 kiyohara db = ((struct fwohcidb_tr *)(prev->end))->db; 1618 1.89 kiyohara #if 0 /* XXX necessary? */ 1619 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.cmd, 1620 1.89 kiyohara OHCI_BRANCH_ALWAYS); 1621 1.89 kiyohara #endif 1622 1.89 kiyohara #if 0 /* if bulkxfer->npacket changes */ 1623 1.100 blymn db[ldesc].db.desc.depend = db[0].db.desc.depend = 1624 1.89 kiyohara ((struct fwohcidb_tr *) 1625 1.89 kiyohara (chunk->start))->bus_addr | dbch->ndesc; 1626 1.89 kiyohara #else 1627 1.89 kiyohara FWOHCI_DMA_SET(db[0].db.desc.depend, dbch->ndesc); 1628 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.depend, dbch->ndesc); 1629 1.89 kiyohara #endif 1630 1.89 kiyohara } 1631 1.89 kiyohara STAILQ_REMOVE_HEAD(&it->stvalid, link); 1632 1.89 kiyohara STAILQ_INSERT_TAIL(&it->stdma, chunk, link); 1633 1.89 kiyohara prev = chunk; 1634 1.89 kiyohara } 1635 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 1636 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1637 1.89 kiyohara splx(s); 1638 1.89 kiyohara stat = OREAD(sc, OHCI_ITCTL(dmach)); 1639 1.89 kiyohara if (firewire_debug && (stat & OHCI_CNTL_CYCMATCH_S)) 1640 1.89 kiyohara printf("stat 0x%x\n", stat); 1641 1.89 kiyohara 1642 1.89 kiyohara if (stat & (OHCI_CNTL_DMA_ACTIVE | OHCI_CNTL_CYCMATCH_S)) 1643 1.89 kiyohara return 0; 1644 1.89 kiyohara 1645 1.89 kiyohara #if 0 1646 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(dmach), OHCI_CNTL_DMA_RUN); 1647 1.89 kiyohara #endif 1648 1.89 kiyohara OWRITE(sc, OHCI_IT_MASKCLR, 1 << dmach); 1649 1.89 kiyohara OWRITE(sc, OHCI_IT_STATCLR, 1 << dmach); 1650 1.89 kiyohara OWRITE(sc, OHCI_IT_MASK, 1 << dmach); 1651 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_DMA_IT); 1652 1.89 kiyohara 1653 1.89 kiyohara first = STAILQ_FIRST(&it->stdma); 1654 1.89 kiyohara OWRITE(sc, OHCI_ITCMD(dmach), 1655 1.89 kiyohara ((struct fwohcidb_tr *)(first->start))->bus_addr | dbch->ndesc); 1656 1.89 kiyohara if (firewire_debug > 1) { 1657 1.89 kiyohara printf("fwohci_itxbuf_enable: kick 0x%08x\n", stat); 1658 1.89 kiyohara #if 1 1659 1.89 kiyohara dump_dma(sc, ITX_CH + dmach); 1660 1.89 kiyohara #endif 1661 1.89 kiyohara } 1662 1.89 kiyohara if ((stat & OHCI_CNTL_DMA_RUN) == 0) { 1663 1.89 kiyohara #if 1 1664 1.89 kiyohara /* Don't start until all chunks are buffered */ 1665 1.89 kiyohara if (STAILQ_FIRST(&it->stfree) != NULL) 1666 1.89 kiyohara goto out; 1667 1.89 kiyohara #endif 1668 1.89 kiyohara #if 1 1669 1.89 kiyohara /* Clear cycle match counter bits */ 1670 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(dmach), 0xffff0000); 1671 1.89 kiyohara 1672 1.89 kiyohara /* 2bit second + 13bit cycle */ 1673 1.89 kiyohara cycle_now = (fc->cyctimer(fc) >> 12) & 0x7fff; 1674 1.89 kiyohara cycle_match = fwohci_next_cycle(fc, cycle_now); 1675 1.89 kiyohara 1676 1.89 kiyohara OWRITE(sc, OHCI_ITCTL(dmach), 1677 1.89 kiyohara OHCI_CNTL_CYCMATCH_S | (cycle_match << 16) 1678 1.89 kiyohara | OHCI_CNTL_DMA_RUN); 1679 1.89 kiyohara #else 1680 1.89 kiyohara OWRITE(sc, OHCI_ITCTL(dmach), OHCI_CNTL_DMA_RUN); 1681 1.89 kiyohara #endif 1682 1.89 kiyohara if (firewire_debug > 1) { 1683 1.89 kiyohara printf("cycle_match: 0x%04x->0x%04x\n", 1684 1.89 kiyohara cycle_now, cycle_match); 1685 1.89 kiyohara dump_dma(sc, ITX_CH + dmach); 1686 1.89 kiyohara dump_db(sc, ITX_CH + dmach); 1687 1.89 kiyohara } 1688 1.89 kiyohara } else if ((stat & OHCI_CNTL_CYCMATCH_S) == 0) { 1689 1.89 kiyohara device_printf(sc->fc.dev, 1690 1.89 kiyohara "IT DMA underrun (0x%08x)\n", stat); 1691 1.89 kiyohara OWRITE(sc, OHCI_ITCTL(dmach), OHCI_CNTL_DMA_WAKE); 1692 1.89 kiyohara } 1693 1.89 kiyohara out: 1694 1.89 kiyohara return err; 1695 1.89 kiyohara } 1696 1.7 onoe 1697 1.89 kiyohara static int 1698 1.89 kiyohara fwohci_irx_enable(struct firewire_comm *fc, int dmach) 1699 1.89 kiyohara { 1700 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)fc; 1701 1.89 kiyohara int err = 0, s, ldesc; 1702 1.89 kiyohara unsigned short tag, ich; 1703 1.89 kiyohara uint32_t stat; 1704 1.89 kiyohara struct fwohci_dbch *dbch; 1705 1.89 kiyohara struct fwohcidb_tr *db_tr; 1706 1.89 kiyohara struct fw_bulkxfer *first, *prev, *chunk; 1707 1.89 kiyohara struct fw_xferq *ir; 1708 1.89 kiyohara 1709 1.89 kiyohara dbch = &sc->ir[dmach]; 1710 1.89 kiyohara ir = &dbch->xferq; 1711 1.89 kiyohara 1712 1.89 kiyohara if ((ir->flag & FWXFERQ_RUNNING) == 0) { 1713 1.89 kiyohara tag = (ir->flag >> 6) & 3; 1714 1.89 kiyohara ich = ir->flag & 0x3f; 1715 1.89 kiyohara OWRITE(sc, OHCI_IRMATCH(dmach), tagbit[tag] | ich); 1716 1.89 kiyohara 1717 1.89 kiyohara ir->queued = 0; 1718 1.89 kiyohara dbch->ndb = ir->bnpacket * ir->bnchunk; 1719 1.89 kiyohara dbch->ndesc = 2; 1720 1.89 kiyohara fwohci_db_init(sc, dbch); 1721 1.89 kiyohara if ((dbch->flags & FWOHCI_DBCH_INIT) == 0) 1722 1.89 kiyohara return ENOMEM; 1723 1.89 kiyohara err = fwohci_rx_enable(sc, dbch); 1724 1.89 kiyohara } 1725 1.89 kiyohara if(err) 1726 1.89 kiyohara return err; 1727 1.89 kiyohara 1728 1.89 kiyohara first = STAILQ_FIRST(&ir->stfree); 1729 1.89 kiyohara if (first == NULL) { 1730 1.89 kiyohara device_printf(fc->dev, "IR DMA no free chunk\n"); 1731 1.89 kiyohara return 0; 1732 1.89 kiyohara } 1733 1.7 onoe 1734 1.89 kiyohara ldesc = dbch->ndesc - 1; 1735 1.89 kiyohara s = splfw(); 1736 1.89 kiyohara prev = STAILQ_LAST(&ir->stdma, fw_bulkxfer, link); 1737 1.89 kiyohara while ((chunk = STAILQ_FIRST(&ir->stfree)) != NULL) { 1738 1.89 kiyohara struct fwohcidb *db; 1739 1.89 kiyohara 1740 1.89 kiyohara #if 1 /* XXX for if_fwe */ 1741 1.89 kiyohara if (chunk->mbuf != NULL) { 1742 1.89 kiyohara db_tr = (struct fwohcidb_tr *)(chunk->start); 1743 1.89 kiyohara db_tr->dbcnt = 1; 1744 1.89 kiyohara err = fw_bus_dmamap_load_mbuf( 1745 1.89 kiyohara dbch->dmat, db_tr->dma_map, 1746 1.89 kiyohara chunk->mbuf, fwohci_execute_db2, db_tr, 1747 1.89 kiyohara BUS_DMA_WAITOK); 1748 1.89 kiyohara FWOHCI_DMA_SET(db_tr->db[1].db.desc.cmd, 1749 1.89 kiyohara OHCI_UPDATE | OHCI_INPUT_LAST | 1750 1.89 kiyohara OHCI_INTERRUPT_ALWAYS | OHCI_BRANCH_ALWAYS); 1751 1.89 kiyohara } 1752 1.89 kiyohara #endif 1753 1.89 kiyohara db = ((struct fwohcidb_tr *)(chunk->end))->db; 1754 1.89 kiyohara FWOHCI_DMA_WRITE(db[ldesc].db.desc.res, 0); 1755 1.89 kiyohara FWOHCI_DMA_CLEAR(db[ldesc].db.desc.depend, 0xf); 1756 1.89 kiyohara if (prev != NULL) { 1757 1.89 kiyohara db = ((struct fwohcidb_tr *)(prev->end))->db; 1758 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.depend, dbch->ndesc); 1759 1.89 kiyohara } 1760 1.89 kiyohara STAILQ_REMOVE_HEAD(&ir->stfree, link); 1761 1.89 kiyohara STAILQ_INSERT_TAIL(&ir->stdma, chunk, link); 1762 1.89 kiyohara prev = chunk; 1763 1.89 kiyohara } 1764 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 1765 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1766 1.89 kiyohara splx(s); 1767 1.89 kiyohara stat = OREAD(sc, OHCI_IRCTL(dmach)); 1768 1.89 kiyohara if (stat & OHCI_CNTL_DMA_ACTIVE) 1769 1.89 kiyohara return 0; 1770 1.89 kiyohara if (stat & OHCI_CNTL_DMA_RUN) { 1771 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(dmach), OHCI_CNTL_DMA_RUN); 1772 1.89 kiyohara device_printf(sc->fc.dev, "IR DMA overrun (0x%08x)\n", stat); 1773 1.89 kiyohara } 1774 1.89 kiyohara 1775 1.89 kiyohara if (firewire_debug) 1776 1.89 kiyohara printf("start IR DMA 0x%x\n", stat); 1777 1.89 kiyohara OWRITE(sc, OHCI_IR_MASKCLR, 1 << dmach); 1778 1.89 kiyohara OWRITE(sc, OHCI_IR_STATCLR, 1 << dmach); 1779 1.89 kiyohara OWRITE(sc, OHCI_IR_MASK, 1 << dmach); 1780 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(dmach), 0xf0000000); 1781 1.89 kiyohara OWRITE(sc, OHCI_IRCTL(dmach), OHCI_CNTL_ISOHDR); 1782 1.89 kiyohara OWRITE(sc, OHCI_IRCMD(dmach), 1783 1.89 kiyohara ((struct fwohcidb_tr *)(first->start))->bus_addr 1784 1.89 kiyohara | dbch->ndesc); 1785 1.89 kiyohara OWRITE(sc, OHCI_IRCTL(dmach), OHCI_CNTL_DMA_RUN); 1786 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_DMA_IR); 1787 1.89 kiyohara #if 0 1788 1.89 kiyohara dump_db(sc, IRX_CH + dmach); 1789 1.22 enami #endif 1790 1.89 kiyohara return err; 1791 1.89 kiyohara } 1792 1.89 kiyohara 1793 1.89 kiyohara FWOHCI_STOP() 1794 1.89 kiyohara { 1795 1.89 kiyohara FWOHCI_STOP_START; 1796 1.89 kiyohara u_int i; 1797 1.89 kiyohara 1798 1.89 kiyohara /* Now stopping all DMA channel */ 1799 1.89 kiyohara OWRITE(sc, OHCI_ARQCTLCLR, OHCI_CNTL_DMA_RUN); 1800 1.89 kiyohara OWRITE(sc, OHCI_ARSCTLCLR, OHCI_CNTL_DMA_RUN); 1801 1.89 kiyohara OWRITE(sc, OHCI_ATQCTLCLR, OHCI_CNTL_DMA_RUN); 1802 1.89 kiyohara OWRITE(sc, OHCI_ATSCTLCLR, OHCI_CNTL_DMA_RUN); 1803 1.89 kiyohara 1804 1.89 kiyohara for( i = 0 ; i < sc->fc.nisodma ; i ++ ){ 1805 1.89 kiyohara OWRITE(sc, OHCI_IRCTLCLR(i), OHCI_CNTL_DMA_RUN); 1806 1.89 kiyohara OWRITE(sc, OHCI_ITCTLCLR(i), OHCI_CNTL_DMA_RUN); 1807 1.89 kiyohara } 1808 1.89 kiyohara 1809 1.89 kiyohara /* FLUSH FIFO and reset Transmitter/Reciever */ 1810 1.89 kiyohara OWRITE(sc, OHCI_HCCCTL, OHCI_HCC_RESET); 1811 1.7 onoe 1812 1.89 kiyohara /* Stop interrupt */ 1813 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, 1814 1.89 kiyohara OHCI_INT_EN | OHCI_INT_ERR | OHCI_INT_PHY_SID 1815 1.89 kiyohara | OHCI_INT_PHY_INT 1816 1.100 blymn | OHCI_INT_DMA_ATRQ | OHCI_INT_DMA_ATRS 1817 1.89 kiyohara | OHCI_INT_DMA_PRRQ | OHCI_INT_DMA_PRRS 1818 1.100 blymn | OHCI_INT_DMA_ARRQ | OHCI_INT_DMA_ARRS 1819 1.89 kiyohara | OHCI_INT_PHY_BUS_R); 1820 1.7 onoe 1821 1.89 kiyohara if (sc->fc.arq !=0 && sc->fc.arq->maxq > 0) 1822 1.89 kiyohara fw_drain_txq(&sc->fc); 1823 1.7 onoe 1824 1.89 kiyohara /* XXX Link down? Bus reset? */ 1825 1.89 kiyohara FWOHCI_STOP_RETURN(0); 1826 1.7 onoe } 1827 1.7 onoe 1828 1.89 kiyohara #if defined(__NetBSD__) 1829 1.7 onoe static void 1830 1.7 onoe fwohci_power(int why, void *arg) 1831 1.7 onoe { 1832 1.7 onoe struct fwohci_softc *sc = arg; 1833 1.7 onoe int s; 1834 1.7 onoe 1835 1.24 jmc s = splbio(); 1836 1.10 takemura switch (why) { 1837 1.95 kiyohara case PWR_SUSPEND: 1838 1.95 kiyohara case PWR_STANDBY: 1839 1.89 kiyohara fwohci_stop(arg); 1840 1.10 takemura break; 1841 1.10 takemura case PWR_RESUME: 1842 1.89 kiyohara fwohci_resume(sc, sc->fc.dev); 1843 1.10 takemura break; 1844 1.10 takemura case PWR_SOFTSUSPEND: 1845 1.10 takemura case PWR_SOFTSTANDBY: 1846 1.10 takemura case PWR_SOFTRESUME: 1847 1.10 takemura break; 1848 1.7 onoe } 1849 1.7 onoe splx(s); 1850 1.7 onoe } 1851 1.89 kiyohara #endif 1852 1.7 onoe 1853 1.89 kiyohara int 1854 1.89 kiyohara fwohci_resume(struct fwohci_softc *sc, device_t dev) 1855 1.7 onoe { 1856 1.89 kiyohara int i; 1857 1.89 kiyohara struct fw_xferq *ir; 1858 1.89 kiyohara struct fw_bulkxfer *chunk; 1859 1.7 onoe 1860 1.89 kiyohara fwohci_reset(sc, dev); 1861 1.89 kiyohara /* XXX resume isochronous receive automatically. (how about TX?) */ 1862 1.89 kiyohara for(i = 0; i < sc->fc.nisodma; i ++) { 1863 1.89 kiyohara ir = &sc->ir[i].xferq; 1864 1.89 kiyohara if((ir->flag & FWXFERQ_RUNNING) != 0) { 1865 1.89 kiyohara device_printf(sc->fc.dev, 1866 1.89 kiyohara "resume iso receive ch: %d\n", i); 1867 1.89 kiyohara ir->flag &= ~FWXFERQ_RUNNING; 1868 1.89 kiyohara /* requeue stdma to stfree */ 1869 1.89 kiyohara while((chunk = STAILQ_FIRST(&ir->stdma)) != NULL) { 1870 1.89 kiyohara STAILQ_REMOVE_HEAD(&ir->stdma, link); 1871 1.89 kiyohara STAILQ_INSERT_TAIL(&ir->stfree, chunk, link); 1872 1.89 kiyohara } 1873 1.89 kiyohara sc->fc.irx_enable(&sc->fc, i); 1874 1.89 kiyohara } 1875 1.89 kiyohara } 1876 1.89 kiyohara 1877 1.89 kiyohara #if defined(__FreeBSD__) 1878 1.89 kiyohara bus_generic_resume(dev); 1879 1.89 kiyohara #endif 1880 1.89 kiyohara sc->fc.ibr(&sc->fc); 1881 1.89 kiyohara return 0; 1882 1.89 kiyohara } 1883 1.89 kiyohara 1884 1.89 kiyohara #define ACK_ALL 1885 1.89 kiyohara static void 1886 1.89 kiyohara fwohci_intr_body(struct fwohci_softc *sc, uint32_t stat, int count) 1887 1.89 kiyohara { 1888 1.89 kiyohara uint32_t irstat, itstat; 1889 1.89 kiyohara u_int i; 1890 1.89 kiyohara struct firewire_comm *fc = (struct firewire_comm *)sc; 1891 1.89 kiyohara 1892 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr_body"); 1893 1.89 kiyohara #ifdef OHCI_DEBUG 1894 1.89 kiyohara if(stat & OREAD(sc, FWOHCI_INTMASK)) 1895 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", 1896 1.89 kiyohara stat & OHCI_INT_EN ? "DMA_EN ":"", 1897 1.89 kiyohara stat & OHCI_INT_PHY_REG ? "PHY_REG ":"", 1898 1.89 kiyohara stat & OHCI_INT_CYC_LONG ? "CYC_LONG ":"", 1899 1.89 kiyohara stat & OHCI_INT_ERR ? "INT_ERR ":"", 1900 1.89 kiyohara stat & OHCI_INT_CYC_ERR ? "CYC_ERR ":"", 1901 1.89 kiyohara stat & OHCI_INT_CYC_LOST ? "CYC_LOST ":"", 1902 1.89 kiyohara stat & OHCI_INT_CYC_64SECOND ? "CYC_64SECOND ":"", 1903 1.89 kiyohara stat & OHCI_INT_CYC_START ? "CYC_START ":"", 1904 1.89 kiyohara stat & OHCI_INT_PHY_INT ? "PHY_INT ":"", 1905 1.89 kiyohara stat & OHCI_INT_PHY_BUS_R ? "BUS_RESET ":"", 1906 1.89 kiyohara stat & OHCI_INT_PHY_SID ? "SID ":"", 1907 1.89 kiyohara stat & OHCI_INT_LR_ERR ? "DMA_LR_ERR ":"", 1908 1.89 kiyohara stat & OHCI_INT_PW_ERR ? "DMA_PW_ERR ":"", 1909 1.89 kiyohara stat & OHCI_INT_DMA_IR ? "DMA_IR ":"", 1910 1.89 kiyohara stat & OHCI_INT_DMA_IT ? "DMA_IT " :"", 1911 1.89 kiyohara stat & OHCI_INT_DMA_PRRS ? "DMA_PRRS " :"", 1912 1.89 kiyohara stat & OHCI_INT_DMA_PRRQ ? "DMA_PRRQ " :"", 1913 1.89 kiyohara stat & OHCI_INT_DMA_ARRS ? "DMA_ARRS " :"", 1914 1.89 kiyohara stat & OHCI_INT_DMA_ARRQ ? "DMA_ARRQ " :"", 1915 1.89 kiyohara stat & OHCI_INT_DMA_ATRS ? "DMA_ATRS " :"", 1916 1.89 kiyohara stat & OHCI_INT_DMA_ATRQ ? "DMA_ATRQ " :"", 1917 1.100 blymn stat, OREAD(sc, FWOHCI_INTMASK) 1918 1.89 kiyohara ); 1919 1.89 kiyohara #endif 1920 1.89 kiyohara /* Bus reset */ 1921 1.89 kiyohara if(stat & OHCI_INT_PHY_BUS_R ){ 1922 1.89 kiyohara if (fc->status == FWBUSRESET) 1923 1.89 kiyohara goto busresetout; 1924 1.89 kiyohara /* Disable bus reset interrupt until sid recv. */ 1925 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_PHY_BUS_R); 1926 1.100 blymn 1927 1.89 kiyohara device_printf(fc->dev, "BUS reset\n"); 1928 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_CYC_LOST); 1929 1.89 kiyohara OWRITE(sc, OHCI_LNKCTLCLR, OHCI_CNTL_CYCSRC); 1930 1.89 kiyohara 1931 1.89 kiyohara OWRITE(sc, OHCI_ATQCTLCLR, OHCI_CNTL_DMA_RUN); 1932 1.89 kiyohara sc->atrq.xferq.flag &= ~FWXFERQ_RUNNING; 1933 1.89 kiyohara OWRITE(sc, OHCI_ATSCTLCLR, OHCI_CNTL_DMA_RUN); 1934 1.89 kiyohara sc->atrs.xferq.flag &= ~FWXFERQ_RUNNING; 1935 1.89 kiyohara 1936 1.89 kiyohara #ifndef ACK_ALL 1937 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PHY_BUS_R); 1938 1.89 kiyohara #endif 1939 1.89 kiyohara fw_busreset(fc); 1940 1.89 kiyohara OWRITE(sc, OHCI_CROMHDR, ntohl(sc->fc.config_rom[0])); 1941 1.89 kiyohara OWRITE(sc, OHCI_BUS_OPT, ntohl(sc->fc.config_rom[2])); 1942 1.89 kiyohara } 1943 1.89 kiyohara busresetout: 1944 1.89 kiyohara if((stat & OHCI_INT_DMA_IR )){ 1945 1.89 kiyohara #ifndef ACK_ALL 1946 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_IR); 1947 1.89 kiyohara #endif 1948 1.89 kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500000 || defined(__NetBSD__) 1949 1.89 kiyohara irstat = sc->irstat; 1950 1.89 kiyohara sc->irstat = 0; 1951 1.89 kiyohara #else 1952 1.89 kiyohara irstat = atomic_readandclear_int(&sc->irstat); 1953 1.89 kiyohara #endif 1954 1.89 kiyohara for(i = 0; i < fc->nisodma ; i++){ 1955 1.89 kiyohara struct fwohci_dbch *dbch; 1956 1.7 onoe 1957 1.89 kiyohara if((irstat & (1 << i)) != 0){ 1958 1.89 kiyohara dbch = &sc->ir[i]; 1959 1.89 kiyohara if ((dbch->xferq.flag & FWXFERQ_OPEN) == 0) { 1960 1.89 kiyohara device_printf(sc->fc.dev, 1961 1.89 kiyohara "dma(%d) not active\n", i); 1962 1.89 kiyohara continue; 1963 1.89 kiyohara } 1964 1.89 kiyohara fwohci_rbuf_update(sc, i); 1965 1.89 kiyohara } 1966 1.89 kiyohara } 1967 1.89 kiyohara } 1968 1.89 kiyohara if((stat & OHCI_INT_DMA_IT )){ 1969 1.89 kiyohara #ifndef ACK_ALL 1970 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_IT); 1971 1.89 kiyohara #endif 1972 1.89 kiyohara #if defined(__DragonFly__) || __FreeBSD_version < 500000 || defined(__NetBSD__) 1973 1.89 kiyohara itstat = sc->itstat; 1974 1.89 kiyohara sc->itstat = 0; 1975 1.89 kiyohara #else 1976 1.89 kiyohara itstat = atomic_readandclear_int(&sc->itstat); 1977 1.89 kiyohara #endif 1978 1.89 kiyohara for(i = 0; i < fc->nisodma ; i++){ 1979 1.89 kiyohara if((itstat & (1 << i)) != 0){ 1980 1.89 kiyohara fwohci_tbuf_update(sc, i); 1981 1.89 kiyohara } 1982 1.89 kiyohara } 1983 1.89 kiyohara } 1984 1.89 kiyohara if((stat & OHCI_INT_DMA_PRRS )){ 1985 1.89 kiyohara #ifndef ACK_ALL 1986 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_PRRS); 1987 1.89 kiyohara #endif 1988 1.89 kiyohara #if 0 1989 1.89 kiyohara dump_dma(sc, ARRS_CH); 1990 1.89 kiyohara dump_db(sc, ARRS_CH); 1991 1.89 kiyohara #endif 1992 1.89 kiyohara fwohci_arcv(sc, &sc->arrs, count); 1993 1.89 kiyohara } 1994 1.89 kiyohara if((stat & OHCI_INT_DMA_PRRQ )){ 1995 1.89 kiyohara #ifndef ACK_ALL 1996 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_PRRQ); 1997 1.89 kiyohara #endif 1998 1.89 kiyohara #if 0 1999 1.89 kiyohara dump_dma(sc, ARRQ_CH); 2000 1.89 kiyohara dump_db(sc, ARRQ_CH); 2001 1.89 kiyohara #endif 2002 1.89 kiyohara fwohci_arcv(sc, &sc->arrq, count); 2003 1.89 kiyohara } 2004 1.89 kiyohara if (stat & OHCI_INT_CYC_LOST) { 2005 1.89 kiyohara if (sc->cycle_lost >= 0) 2006 1.89 kiyohara sc->cycle_lost ++; 2007 1.89 kiyohara if (sc->cycle_lost > 10) { 2008 1.89 kiyohara sc->cycle_lost = -1; 2009 1.89 kiyohara #if 0 2010 1.89 kiyohara OWRITE(sc, OHCI_LNKCTLCLR, OHCI_CNTL_CYCTIMER); 2011 1.89 kiyohara #endif 2012 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_CYC_LOST); 2013 1.89 kiyohara device_printf(fc->dev, "too many cycle lost, " 2014 1.89 kiyohara "no cycle master presents?\n"); 2015 1.89 kiyohara } 2016 1.89 kiyohara } 2017 1.89 kiyohara if(stat & OHCI_INT_PHY_SID){ 2018 1.89 kiyohara uint32_t *buf, node_id; 2019 1.89 kiyohara int plen; 2020 1.89 kiyohara 2021 1.89 kiyohara #ifndef ACK_ALL 2022 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PHY_SID); 2023 1.89 kiyohara #endif 2024 1.89 kiyohara /* Enable bus reset interrupt */ 2025 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_PHY_BUS_R); 2026 1.89 kiyohara /* Allow async. request to us */ 2027 1.89 kiyohara OWRITE(sc, OHCI_AREQHI, 1 << 31); 2028 1.89 kiyohara /* XXX insecure ?? */ 2029 1.89 kiyohara /* allow from all nodes */ 2030 1.89 kiyohara OWRITE(sc, OHCI_PREQHI, 0x7fffffff); 2031 1.89 kiyohara OWRITE(sc, OHCI_PREQLO, 0xffffffff); 2032 1.89 kiyohara /* 0 to 4GB regison */ 2033 1.89 kiyohara OWRITE(sc, OHCI_PREQUPPER, 0x10000); 2034 1.89 kiyohara /* Set ATRetries register */ 2035 1.89 kiyohara OWRITE(sc, OHCI_ATRETRY, 1<<(13+16) | 0xfff); 2036 1.89 kiyohara /* 2037 1.100 blymn ** Checking whether the node is root or not. If root, turn on 2038 1.89 kiyohara ** cycle master. 2039 1.89 kiyohara */ 2040 1.89 kiyohara node_id = OREAD(sc, FWOHCI_NODEID); 2041 1.89 kiyohara plen = OREAD(sc, OHCI_SID_CNT); 2042 1.89 kiyohara 2043 1.89 kiyohara device_printf(fc->dev, "node_id=0x%08x, gen=%d, ", 2044 1.89 kiyohara node_id, (plen >> 16) & 0xff); 2045 1.89 kiyohara if (!(node_id & OHCI_NODE_VALID)) { 2046 1.89 kiyohara printf("Bus reset failure\n"); 2047 1.89 kiyohara goto sidout; 2048 1.89 kiyohara } 2049 1.89 kiyohara 2050 1.89 kiyohara /* cycle timer */ 2051 1.89 kiyohara sc->cycle_lost = 0; 2052 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_CYC_LOST); 2053 1.89 kiyohara if ((node_id & OHCI_NODE_ROOT) && !nocyclemaster) { 2054 1.89 kiyohara printf("CYCLEMASTER mode\n"); 2055 1.89 kiyohara OWRITE(sc, OHCI_LNKCTL, 2056 1.89 kiyohara OHCI_CNTL_CYCMTR | OHCI_CNTL_CYCTIMER); 2057 1.89 kiyohara } else { 2058 1.89 kiyohara printf("non CYCLEMASTER mode\n"); 2059 1.89 kiyohara OWRITE(sc, OHCI_LNKCTLCLR, OHCI_CNTL_CYCMTR); 2060 1.89 kiyohara OWRITE(sc, OHCI_LNKCTL, OHCI_CNTL_CYCTIMER); 2061 1.89 kiyohara } 2062 1.3 onoe 2063 1.89 kiyohara fc->nodeid = node_id & 0x3f; 2064 1.3 onoe 2065 1.89 kiyohara if (plen & OHCI_SID_ERR) { 2066 1.89 kiyohara device_printf(fc->dev, "SID Error\n"); 2067 1.89 kiyohara goto sidout; 2068 1.89 kiyohara } 2069 1.89 kiyohara plen &= OHCI_SID_CNT_MASK; 2070 1.89 kiyohara if (plen < 4 || plen > OHCI_SIDSIZE) { 2071 1.89 kiyohara device_printf(fc->dev, "invalid SID len = %d\n", plen); 2072 1.89 kiyohara goto sidout; 2073 1.89 kiyohara } 2074 1.89 kiyohara plen -= 4; /* chop control info */ 2075 1.89 kiyohara buf = (uint32_t *)malloc(OHCI_SIDSIZE, M_FW, M_NOWAIT); 2076 1.89 kiyohara if (buf == NULL) { 2077 1.89 kiyohara device_printf(fc->dev, "malloc failed\n"); 2078 1.89 kiyohara goto sidout; 2079 1.89 kiyohara } 2080 1.89 kiyohara for (i = 0; i < plen / 4; i ++) 2081 1.89 kiyohara buf[i] = FWOHCI_DMA_READ(sc->sid_buf[i+1]); 2082 1.89 kiyohara #if defined(__NetBSD__) && defined(macppc) 2083 1.89 kiyohara /* XXX required as bootdisk for macppc. */ 2084 1.89 kiyohara delay(500000); 2085 1.89 kiyohara #endif 2086 1.89 kiyohara #if 1 /* XXX needed?? */ 2087 1.89 kiyohara /* pending all pre-bus_reset packets */ 2088 1.89 kiyohara fwohci_txd(sc, &sc->atrq); 2089 1.89 kiyohara fwohci_txd(sc, &sc->atrs); 2090 1.89 kiyohara fwohci_arcv(sc, &sc->arrs, -1); 2091 1.89 kiyohara fwohci_arcv(sc, &sc->arrq, -1); 2092 1.89 kiyohara fw_drain_txq(fc); 2093 1.89 kiyohara #endif 2094 1.89 kiyohara fw_sidrcv(fc, buf, plen); 2095 1.89 kiyohara free(buf, M_FW); 2096 1.89 kiyohara } 2097 1.89 kiyohara sidout: 2098 1.89 kiyohara if((stat & OHCI_INT_DMA_ATRQ )){ 2099 1.89 kiyohara #ifndef ACK_ALL 2100 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_ATRQ); 2101 1.89 kiyohara #endif 2102 1.89 kiyohara fwohci_txd(sc, &(sc->atrq)); 2103 1.89 kiyohara } 2104 1.89 kiyohara if((stat & OHCI_INT_DMA_ATRS )){ 2105 1.89 kiyohara #ifndef ACK_ALL 2106 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_DMA_ATRS); 2107 1.89 kiyohara #endif 2108 1.89 kiyohara fwohci_txd(sc, &(sc->atrs)); 2109 1.89 kiyohara } 2110 1.89 kiyohara if((stat & OHCI_INT_PW_ERR )){ 2111 1.89 kiyohara #ifndef ACK_ALL 2112 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PW_ERR); 2113 1.89 kiyohara #endif 2114 1.89 kiyohara device_printf(fc->dev, "posted write error\n"); 2115 1.89 kiyohara } 2116 1.89 kiyohara if((stat & OHCI_INT_ERR )){ 2117 1.89 kiyohara #ifndef ACK_ALL 2118 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_ERR); 2119 1.89 kiyohara #endif 2120 1.89 kiyohara device_printf(fc->dev, "unrecoverable error\n"); 2121 1.89 kiyohara } 2122 1.89 kiyohara if((stat & OHCI_INT_PHY_INT)) { 2123 1.89 kiyohara #ifndef ACK_ALL 2124 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, OHCI_INT_PHY_INT); 2125 1.89 kiyohara #endif 2126 1.89 kiyohara device_printf(fc->dev, "phy int\n"); 2127 1.3 onoe } 2128 1.7 onoe 2129 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr_body done"); 2130 1.89 kiyohara return; 2131 1.3 onoe } 2132 1.3 onoe 2133 1.89 kiyohara #if FWOHCI_TASKQUEUE 2134 1.7 onoe static void 2135 1.89 kiyohara fwohci_complete(void *arg, int pending) 2136 1.7 onoe { 2137 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)arg; 2138 1.89 kiyohara uint32_t stat; 2139 1.7 onoe 2140 1.89 kiyohara again: 2141 1.89 kiyohara stat = atomic_readandclear_int(&sc->intstat); 2142 1.89 kiyohara if (stat) { 2143 1.89 kiyohara FW_LOCK; 2144 1.89 kiyohara fwohci_intr_body(sc, stat, -1); 2145 1.89 kiyohara FW_UNLOCK; 2146 1.89 kiyohara } else 2147 1.89 kiyohara return; 2148 1.89 kiyohara goto again; 2149 1.7 onoe } 2150 1.89 kiyohara #endif 2151 1.7 onoe 2152 1.89 kiyohara static uint32_t 2153 1.89 kiyohara fwochi_check_stat(struct fwohci_softc *sc) 2154 1.7 onoe { 2155 1.89 kiyohara uint32_t stat, irstat, itstat; 2156 1.7 onoe 2157 1.89 kiyohara stat = OREAD(sc, FWOHCI_INTSTAT); 2158 1.89 kiyohara CTR1(KTR_DEV, "fwoch_check_stat 0x%08x", stat); 2159 1.89 kiyohara if (stat == 0xffffffff) { 2160 1.100 blymn device_printf(sc->fc.dev, 2161 1.89 kiyohara "device physically ejected?\n"); 2162 1.89 kiyohara return(stat); 2163 1.7 onoe } 2164 1.89 kiyohara #ifdef ACK_ALL 2165 1.89 kiyohara if (stat) 2166 1.89 kiyohara OWRITE(sc, FWOHCI_INTSTATCLR, stat); 2167 1.7 onoe #endif 2168 1.89 kiyohara if (stat & OHCI_INT_DMA_IR) { 2169 1.89 kiyohara irstat = OREAD(sc, OHCI_IR_STAT); 2170 1.89 kiyohara OWRITE(sc, OHCI_IR_STATCLR, irstat); 2171 1.89 kiyohara atomic_set_int(&sc->irstat, irstat); 2172 1.89 kiyohara } 2173 1.89 kiyohara if (stat & OHCI_INT_DMA_IT) { 2174 1.89 kiyohara itstat = OREAD(sc, OHCI_IT_STAT); 2175 1.89 kiyohara OWRITE(sc, OHCI_IT_STATCLR, itstat); 2176 1.89 kiyohara atomic_set_int(&sc->itstat, itstat); 2177 1.89 kiyohara } 2178 1.89 kiyohara return(stat); 2179 1.7 onoe } 2180 1.7 onoe 2181 1.89 kiyohara FW_INTR(fwohci) 2182 1.3 onoe { 2183 1.89 kiyohara struct fwohci_softc *sc = (struct fwohci_softc *)arg; 2184 1.89 kiyohara uint32_t stat; 2185 1.89 kiyohara #if !FWOHCI_TASKQUEUE 2186 1.89 kiyohara uint32_t bus_reset = 0; 2187 1.89 kiyohara #endif 2188 1.3 onoe 2189 1.89 kiyohara if (!(sc->intmask & OHCI_INT_EN)) { 2190 1.89 kiyohara /* polling mode */ 2191 1.89 kiyohara FW_INTR_RETURN(0); 2192 1.3 onoe } 2193 1.3 onoe 2194 1.89 kiyohara #if !FWOHCI_TASKQUEUE 2195 1.89 kiyohara again: 2196 1.89 kiyohara #endif 2197 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr"); 2198 1.89 kiyohara stat = fwochi_check_stat(sc); 2199 1.89 kiyohara if (stat == 0 || stat == 0xffffffff) 2200 1.89 kiyohara FW_INTR_RETURN(1); 2201 1.89 kiyohara #if FWOHCI_TASKQUEUE 2202 1.89 kiyohara atomic_set_int(&sc->intstat, stat); 2203 1.89 kiyohara /* XXX mask bus reset intr. during bus reset phase */ 2204 1.89 kiyohara if (stat) 2205 1.89 kiyohara #if 1 2206 1.89 kiyohara taskqueue_enqueue_fast(taskqueue_fast, 2207 1.89 kiyohara &sc->fwohci_task_complete); 2208 1.89 kiyohara #else 2209 1.89 kiyohara taskqueue_enqueue(taskqueue_swi, 2210 1.89 kiyohara &sc->fwohci_task_complete); 2211 1.89 kiyohara #endif 2212 1.89 kiyohara #else 2213 1.89 kiyohara /* We cannot clear bus reset event during bus reset phase */ 2214 1.89 kiyohara if ((stat & ~bus_reset) == 0) 2215 1.89 kiyohara FW_INTR_RETURN(1); 2216 1.89 kiyohara bus_reset = stat & OHCI_INT_PHY_BUS_R; 2217 1.89 kiyohara fwohci_intr_body(sc, stat, -1); 2218 1.89 kiyohara goto again; 2219 1.89 kiyohara #endif 2220 1.89 kiyohara CTR0(KTR_DEV, "fwohci_intr end"); 2221 1.9 onoe } 2222 1.9 onoe 2223 1.89 kiyohara void 2224 1.103 christos fwohci_poll(struct firewire_comm *fc, int quick, int count) 2225 1.9 onoe { 2226 1.89 kiyohara int s; 2227 1.89 kiyohara uint32_t stat; 2228 1.89 kiyohara struct fwohci_softc *sc; 2229 1.9 onoe 2230 1.9 onoe 2231 1.89 kiyohara sc = (struct fwohci_softc *)fc; 2232 1.89 kiyohara stat = OHCI_INT_DMA_IR | OHCI_INT_DMA_IT | 2233 1.89 kiyohara OHCI_INT_DMA_PRRS | OHCI_INT_DMA_PRRQ | 2234 1.89 kiyohara OHCI_INT_DMA_ATRQ | OHCI_INT_DMA_ATRS; 2235 1.89 kiyohara #if 0 2236 1.89 kiyohara if (!quick) { 2237 1.89 kiyohara #else 2238 1.89 kiyohara if (1) { 2239 1.40 haya #endif 2240 1.89 kiyohara stat = fwochi_check_stat(sc); 2241 1.89 kiyohara if (stat == 0 || stat == 0xffffffff) 2242 1.89 kiyohara return; 2243 1.38 onoe } 2244 1.89 kiyohara s = splfw(); 2245 1.89 kiyohara fwohci_intr_body(sc, stat, count); 2246 1.89 kiyohara splx(s); 2247 1.3 onoe } 2248 1.3 onoe 2249 1.3 onoe static void 2250 1.89 kiyohara fwohci_set_intr(struct firewire_comm *fc, int enable) 2251 1.9 onoe { 2252 1.89 kiyohara struct fwohci_softc *sc; 2253 1.9 onoe 2254 1.89 kiyohara sc = (struct fwohci_softc *)fc; 2255 1.89 kiyohara if (firewire_debug) 2256 1.89 kiyohara device_printf(sc->fc.dev, "fwohci_set_intr: %d\n", enable); 2257 1.89 kiyohara if (enable) { 2258 1.89 kiyohara sc->intmask |= OHCI_INT_EN; 2259 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASK, OHCI_INT_EN); 2260 1.89 kiyohara } else { 2261 1.89 kiyohara sc->intmask &= ~OHCI_INT_EN; 2262 1.89 kiyohara OWRITE(sc, FWOHCI_INTMASKCLR, OHCI_INT_EN); 2263 1.89 kiyohara } 2264 1.9 onoe } 2265 1.9 onoe 2266 1.9 onoe static void 2267 1.89 kiyohara fwohci_tbuf_update(struct fwohci_softc *sc, int dmach) 2268 1.89 kiyohara { 2269 1.89 kiyohara struct firewire_comm *fc = &sc->fc; 2270 1.89 kiyohara struct fwohcidb *db; 2271 1.89 kiyohara struct fw_bulkxfer *chunk; 2272 1.89 kiyohara struct fw_xferq *it; 2273 1.89 kiyohara uint32_t stat, count; 2274 1.89 kiyohara int s, w=0, ldesc; 2275 1.89 kiyohara 2276 1.89 kiyohara it = fc->it[dmach]; 2277 1.89 kiyohara ldesc = sc->it[dmach].ndesc - 1; 2278 1.89 kiyohara s = splfw(); /* unnecessary ? */ 2279 1.99 kiyohara fwdma_sync_multiseg_all(sc->it[dmach].am, BUS_DMASYNC_POSTREAD); 2280 1.89 kiyohara if (firewire_debug) 2281 1.89 kiyohara dump_db(sc, ITX_CH + dmach); 2282 1.89 kiyohara while ((chunk = STAILQ_FIRST(&it->stdma)) != NULL) { 2283 1.89 kiyohara db = ((struct fwohcidb_tr *)(chunk->end))->db; 2284 1.100 blymn stat = FWOHCI_DMA_READ(db[ldesc].db.desc.res) 2285 1.89 kiyohara >> OHCI_STATUS_SHIFT; 2286 1.89 kiyohara db = ((struct fwohcidb_tr *)(chunk->start))->db; 2287 1.89 kiyohara /* timestamp */ 2288 1.89 kiyohara count = FWOHCI_DMA_READ(db[ldesc].db.desc.res) 2289 1.89 kiyohara & OHCI_COUNT_MASK; 2290 1.89 kiyohara if (stat == 0) 2291 1.89 kiyohara break; 2292 1.89 kiyohara STAILQ_REMOVE_HEAD(&it->stdma, link); 2293 1.89 kiyohara switch (stat & FWOHCIEV_MASK){ 2294 1.89 kiyohara case FWOHCIEV_ACKCOMPL: 2295 1.89 kiyohara #if 0 2296 1.89 kiyohara device_printf(fc->dev, "0x%08x\n", count); 2297 1.89 kiyohara #endif 2298 1.89 kiyohara break; 2299 1.89 kiyohara default: 2300 1.89 kiyohara device_printf(fc->dev, 2301 1.89 kiyohara "Isochronous transmit err %02x(%s)\n", 2302 1.89 kiyohara stat, fwohcicode[stat & 0x1f]); 2303 1.89 kiyohara } 2304 1.89 kiyohara STAILQ_INSERT_TAIL(&it->stfree, chunk, link); 2305 1.89 kiyohara w++; 2306 1.9 onoe } 2307 1.89 kiyohara splx(s); 2308 1.89 kiyohara if (w) 2309 1.89 kiyohara wakeup(it); 2310 1.3 onoe } 2311 1.3 onoe 2312 1.89 kiyohara static void 2313 1.89 kiyohara fwohci_rbuf_update(struct fwohci_softc *sc, int dmach) 2314 1.3 onoe { 2315 1.89 kiyohara struct firewire_comm *fc = &sc->fc; 2316 1.89 kiyohara struct fwohcidb_tr *db_tr; 2317 1.89 kiyohara struct fw_bulkxfer *chunk; 2318 1.89 kiyohara struct fw_xferq *ir; 2319 1.89 kiyohara uint32_t stat; 2320 1.89 kiyohara int s, w=0, ldesc; 2321 1.3 onoe 2322 1.89 kiyohara ir = fc->ir[dmach]; 2323 1.89 kiyohara ldesc = sc->ir[dmach].ndesc - 1; 2324 1.89 kiyohara #if 0 2325 1.89 kiyohara dump_db(sc, dmach); 2326 1.89 kiyohara #endif 2327 1.89 kiyohara s = splfw(); 2328 1.99 kiyohara fwdma_sync_multiseg_all(sc->ir[dmach].am, BUS_DMASYNC_POSTREAD); 2329 1.89 kiyohara while ((chunk = STAILQ_FIRST(&ir->stdma)) != NULL) { 2330 1.89 kiyohara db_tr = (struct fwohcidb_tr *)chunk->end; 2331 1.89 kiyohara stat = FWOHCI_DMA_READ(db_tr->db[ldesc].db.desc.res) 2332 1.89 kiyohara >> OHCI_STATUS_SHIFT; 2333 1.89 kiyohara if (stat == 0) 2334 1.89 kiyohara break; 2335 1.3 onoe 2336 1.89 kiyohara if (chunk->mbuf != NULL) { 2337 1.89 kiyohara fw_bus_dmamap_sync(sc->ir[dmach].dmat, db_tr->dma_map, 2338 1.89 kiyohara BUS_DMASYNC_POSTREAD); 2339 1.89 kiyohara fw_bus_dmamap_unload( 2340 1.89 kiyohara sc->ir[dmach].dmat, db_tr->dma_map); 2341 1.89 kiyohara } else if (ir->buf != NULL) { 2342 1.89 kiyohara fwdma_sync_multiseg(ir->buf, chunk->poffset, 2343 1.89 kiyohara ir->bnpacket, BUS_DMASYNC_POSTREAD); 2344 1.89 kiyohara } else { 2345 1.89 kiyohara /* XXX */ 2346 1.89 kiyohara printf("fwohci_rbuf_update: this shouldn't happend\n"); 2347 1.89 kiyohara } 2348 1.3 onoe 2349 1.89 kiyohara STAILQ_REMOVE_HEAD(&ir->stdma, link); 2350 1.89 kiyohara STAILQ_INSERT_TAIL(&ir->stvalid, chunk, link); 2351 1.89 kiyohara switch (stat & FWOHCIEV_MASK) { 2352 1.89 kiyohara case FWOHCIEV_ACKCOMPL: 2353 1.89 kiyohara chunk->resp = 0; 2354 1.89 kiyohara break; 2355 1.89 kiyohara default: 2356 1.89 kiyohara chunk->resp = EINVAL; 2357 1.89 kiyohara device_printf(fc->dev, 2358 1.89 kiyohara "Isochronous receive err %02x(%s)\n", 2359 1.89 kiyohara stat, fwohcicode[stat & 0x1f]); 2360 1.89 kiyohara } 2361 1.89 kiyohara w++; 2362 1.89 kiyohara } 2363 1.89 kiyohara splx(s); 2364 1.89 kiyohara if (w) { 2365 1.100 blymn if (ir->flag & FWXFERQ_HANDLER) 2366 1.89 kiyohara ir->hand(ir); 2367 1.89 kiyohara else 2368 1.89 kiyohara wakeup(ir); 2369 1.89 kiyohara } 2370 1.3 onoe } 2371 1.3 onoe 2372 1.89 kiyohara void 2373 1.89 kiyohara dump_dma(struct fwohci_softc *sc, uint32_t ch) 2374 1.3 onoe { 2375 1.89 kiyohara uint32_t off, cntl, stat, cmd, match; 2376 1.3 onoe 2377 1.89 kiyohara if(ch == 0){ 2378 1.89 kiyohara off = OHCI_ATQOFF; 2379 1.89 kiyohara }else if(ch == 1){ 2380 1.89 kiyohara off = OHCI_ATSOFF; 2381 1.89 kiyohara }else if(ch == 2){ 2382 1.89 kiyohara off = OHCI_ARQOFF; 2383 1.89 kiyohara }else if(ch == 3){ 2384 1.89 kiyohara off = OHCI_ARSOFF; 2385 1.89 kiyohara }else if(ch < IRX_CH){ 2386 1.89 kiyohara off = OHCI_ITCTL(ch - ITX_CH); 2387 1.89 kiyohara }else{ 2388 1.89 kiyohara off = OHCI_IRCTL(ch - IRX_CH); 2389 1.89 kiyohara } 2390 1.89 kiyohara cntl = stat = OREAD(sc, off); 2391 1.89 kiyohara cmd = OREAD(sc, off + 0xc); 2392 1.89 kiyohara match = OREAD(sc, off + 0x10); 2393 1.89 kiyohara 2394 1.89 kiyohara device_printf(sc->fc.dev, "ch %1x cntl:0x%08x cmd:0x%08x match:0x%08x\n", 2395 1.89 kiyohara ch, 2396 1.100 blymn cntl, 2397 1.100 blymn cmd, 2398 1.89 kiyohara match); 2399 1.89 kiyohara stat &= 0xffff ; 2400 1.89 kiyohara if (stat) { 2401 1.89 kiyohara device_printf(sc->fc.dev, "dma %d ch:%s%s%s%s%s%s %s(%x)\n", 2402 1.89 kiyohara ch, 2403 1.89 kiyohara stat & OHCI_CNTL_DMA_RUN ? "RUN," : "", 2404 1.89 kiyohara stat & OHCI_CNTL_DMA_WAKE ? "WAKE," : "", 2405 1.89 kiyohara stat & OHCI_CNTL_DMA_DEAD ? "DEAD," : "", 2406 1.89 kiyohara stat & OHCI_CNTL_DMA_ACTIVE ? "ACTIVE," : "", 2407 1.89 kiyohara stat & OHCI_CNTL_DMA_BT ? "BRANCH," : "", 2408 1.89 kiyohara stat & OHCI_CNTL_DMA_BAD ? "BADDMA," : "", 2409 1.89 kiyohara fwohcicode[stat & 0x1f], 2410 1.89 kiyohara stat & 0x1f 2411 1.89 kiyohara ); 2412 1.89 kiyohara }else{ 2413 1.89 kiyohara device_printf(sc->fc.dev, "dma %d ch: Nostat\n", ch); 2414 1.89 kiyohara } 2415 1.3 onoe } 2416 1.3 onoe 2417 1.89 kiyohara void 2418 1.89 kiyohara dump_db(struct fwohci_softc *sc, uint32_t ch) 2419 1.3 onoe { 2420 1.89 kiyohara struct fwohci_dbch *dbch; 2421 1.89 kiyohara struct fwohcidb_tr *cp = NULL, *pp, *np = NULL; 2422 1.89 kiyohara struct fwohcidb *curr = NULL, *prev, *next = NULL; 2423 1.89 kiyohara int idb, jdb; 2424 1.89 kiyohara uint32_t cmd, off; 2425 1.89 kiyohara if(ch == 0){ 2426 1.89 kiyohara off = OHCI_ATQOFF; 2427 1.89 kiyohara dbch = &sc->atrq; 2428 1.89 kiyohara }else if(ch == 1){ 2429 1.89 kiyohara off = OHCI_ATSOFF; 2430 1.89 kiyohara dbch = &sc->atrs; 2431 1.89 kiyohara }else if(ch == 2){ 2432 1.89 kiyohara off = OHCI_ARQOFF; 2433 1.89 kiyohara dbch = &sc->arrq; 2434 1.89 kiyohara }else if(ch == 3){ 2435 1.89 kiyohara off = OHCI_ARSOFF; 2436 1.89 kiyohara dbch = &sc->arrs; 2437 1.89 kiyohara }else if(ch < IRX_CH){ 2438 1.89 kiyohara off = OHCI_ITCTL(ch - ITX_CH); 2439 1.89 kiyohara dbch = &sc->it[ch - ITX_CH]; 2440 1.89 kiyohara }else { 2441 1.89 kiyohara off = OHCI_IRCTL(ch - IRX_CH); 2442 1.89 kiyohara dbch = &sc->ir[ch - IRX_CH]; 2443 1.89 kiyohara } 2444 1.89 kiyohara cmd = OREAD(sc, off + 0xc); 2445 1.3 onoe 2446 1.89 kiyohara if( dbch->ndb == 0 ){ 2447 1.89 kiyohara device_printf(sc->fc.dev, "No DB is attached ch=%d\n", ch); 2448 1.89 kiyohara return; 2449 1.89 kiyohara } 2450 1.89 kiyohara pp = dbch->top; 2451 1.89 kiyohara prev = pp->db; 2452 1.89 kiyohara for(idb = 0 ; idb < dbch->ndb ; idb ++ ){ 2453 1.89 kiyohara cp = STAILQ_NEXT(pp, link); 2454 1.89 kiyohara if(cp == NULL){ 2455 1.89 kiyohara curr = NULL; 2456 1.89 kiyohara goto outdb; 2457 1.89 kiyohara } 2458 1.89 kiyohara np = STAILQ_NEXT(cp, link); 2459 1.89 kiyohara for(jdb = 0 ; jdb < dbch->ndesc ; jdb ++ ){ 2460 1.89 kiyohara if ((cmd & 0xfffffff0) == cp->bus_addr) { 2461 1.89 kiyohara curr = cp->db; 2462 1.89 kiyohara if(np != NULL){ 2463 1.89 kiyohara next = np->db; 2464 1.89 kiyohara }else{ 2465 1.89 kiyohara next = NULL; 2466 1.89 kiyohara } 2467 1.89 kiyohara goto outdb; 2468 1.89 kiyohara } 2469 1.89 kiyohara } 2470 1.89 kiyohara pp = STAILQ_NEXT(pp, link); 2471 1.89 kiyohara if(pp == NULL){ 2472 1.89 kiyohara curr = NULL; 2473 1.89 kiyohara goto outdb; 2474 1.62 haya } 2475 1.89 kiyohara prev = pp->db; 2476 1.89 kiyohara } 2477 1.89 kiyohara outdb: 2478 1.89 kiyohara if( curr != NULL){ 2479 1.89 kiyohara #if 0 2480 1.89 kiyohara printf("Prev DB %d\n", ch); 2481 1.89 kiyohara print_db(pp, prev, ch, dbch->ndesc); 2482 1.89 kiyohara #endif 2483 1.89 kiyohara printf("Current DB %d\n", ch); 2484 1.89 kiyohara print_db(cp, curr, ch, dbch->ndesc); 2485 1.89 kiyohara #if 0 2486 1.89 kiyohara printf("Next DB %d\n", ch); 2487 1.89 kiyohara print_db(np, next, ch, dbch->ndesc); 2488 1.89 kiyohara #endif 2489 1.89 kiyohara }else{ 2490 1.89 kiyohara printf("dbdump err ch = %d cmd = 0x%08x\n", ch, cmd); 2491 1.7 onoe } 2492 1.89 kiyohara return; 2493 1.7 onoe } 2494 1.7 onoe 2495 1.89 kiyohara void 2496 1.89 kiyohara print_db(struct fwohcidb_tr *db_tr, struct fwohcidb *db, 2497 1.89 kiyohara uint32_t ch, uint32_t hogemax) 2498 1.7 onoe { 2499 1.89 kiyohara fwohcireg_t stat; 2500 1.89 kiyohara int i, key; 2501 1.89 kiyohara uint32_t cmd, res; 2502 1.89 kiyohara 2503 1.89 kiyohara if(db == NULL){ 2504 1.89 kiyohara printf("No Descriptor is found\n"); 2505 1.89 kiyohara return; 2506 1.89 kiyohara } 2507 1.7 onoe 2508 1.89 kiyohara printf("ch = %d\n%8s %s %s %s %s %4s %8s %8s %4s:%4s\n", 2509 1.89 kiyohara ch, 2510 1.89 kiyohara "Current", 2511 1.89 kiyohara "OP ", 2512 1.89 kiyohara "KEY", 2513 1.89 kiyohara "INT", 2514 1.89 kiyohara "BR ", 2515 1.89 kiyohara "len", 2516 1.89 kiyohara "Addr", 2517 1.89 kiyohara "Depend", 2518 1.89 kiyohara "Stat", 2519 1.89 kiyohara "Cnt"); 2520 1.89 kiyohara for( i = 0 ; i <= hogemax ; i ++){ 2521 1.89 kiyohara cmd = FWOHCI_DMA_READ(db[i].db.desc.cmd); 2522 1.89 kiyohara res = FWOHCI_DMA_READ(db[i].db.desc.res); 2523 1.89 kiyohara key = cmd & OHCI_KEY_MASK; 2524 1.89 kiyohara stat = res >> OHCI_STATUS_SHIFT; 2525 1.89 kiyohara #if defined(__DragonFly__) || \ 2526 1.89 kiyohara (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2527 1.89 kiyohara printf("%08x %s %s %s %s %5d %08x %08x %04x:%04x", 2528 1.89 kiyohara db_tr->bus_addr, 2529 1.89 kiyohara #else 2530 1.89 kiyohara printf("%08jx %s %s %s %s %5d %08x %08x %04x:%04x", 2531 1.89 kiyohara (uintmax_t)db_tr->bus_addr, 2532 1.89 kiyohara #endif 2533 1.89 kiyohara dbcode[(cmd >> 28) & 0xf], 2534 1.89 kiyohara dbkey[(cmd >> 24) & 0x7], 2535 1.89 kiyohara dbcond[(cmd >> 20) & 0x3], 2536 1.89 kiyohara dbcond[(cmd >> 18) & 0x3], 2537 1.89 kiyohara cmd & OHCI_COUNT_MASK, 2538 1.89 kiyohara FWOHCI_DMA_READ(db[i].db.desc.addr), 2539 1.89 kiyohara FWOHCI_DMA_READ(db[i].db.desc.depend), 2540 1.89 kiyohara stat, 2541 1.89 kiyohara res & OHCI_COUNT_MASK); 2542 1.89 kiyohara if(stat & 0xff00){ 2543 1.89 kiyohara printf(" %s%s%s%s%s%s %s(%x)\n", 2544 1.89 kiyohara stat & OHCI_CNTL_DMA_RUN ? "RUN," : "", 2545 1.89 kiyohara stat & OHCI_CNTL_DMA_WAKE ? "WAKE," : "", 2546 1.89 kiyohara stat & OHCI_CNTL_DMA_DEAD ? "DEAD," : "", 2547 1.89 kiyohara stat & OHCI_CNTL_DMA_ACTIVE ? "ACTIVE," : "", 2548 1.89 kiyohara stat & OHCI_CNTL_DMA_BT ? "BRANCH," : "", 2549 1.89 kiyohara stat & OHCI_CNTL_DMA_BAD ? "BADDMA," : "", 2550 1.89 kiyohara fwohcicode[stat & 0x1f], 2551 1.89 kiyohara stat & 0x1f 2552 1.89 kiyohara ); 2553 1.89 kiyohara }else{ 2554 1.89 kiyohara printf(" Nostat\n"); 2555 1.89 kiyohara } 2556 1.89 kiyohara if(key == OHCI_KEY_ST2 ){ 2557 1.100 blymn printf("0x%08x 0x%08x 0x%08x 0x%08x\n", 2558 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[0]), 2559 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[1]), 2560 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[2]), 2561 1.89 kiyohara FWOHCI_DMA_READ(db[i+1].db.immed[3])); 2562 1.89 kiyohara } 2563 1.89 kiyohara if(key == OHCI_KEY_DEVICE){ 2564 1.89 kiyohara return; 2565 1.89 kiyohara } 2566 1.100 blymn if((cmd & OHCI_BRANCH_MASK) 2567 1.89 kiyohara == OHCI_BRANCH_ALWAYS){ 2568 1.89 kiyohara return; 2569 1.89 kiyohara } 2570 1.100 blymn if((cmd & OHCI_CMD_MASK) 2571 1.89 kiyohara == OHCI_OUTPUT_LAST){ 2572 1.89 kiyohara return; 2573 1.89 kiyohara } 2574 1.100 blymn if((cmd & OHCI_CMD_MASK) 2575 1.89 kiyohara == OHCI_INPUT_LAST){ 2576 1.89 kiyohara return; 2577 1.89 kiyohara } 2578 1.89 kiyohara if(key == OHCI_KEY_ST2 ){ 2579 1.89 kiyohara i++; 2580 1.62 haya } 2581 1.3 onoe } 2582 1.89 kiyohara return; 2583 1.3 onoe } 2584 1.3 onoe 2585 1.89 kiyohara void 2586 1.89 kiyohara fwohci_ibr(struct firewire_comm *fc) 2587 1.7 onoe { 2588 1.89 kiyohara struct fwohci_softc *sc; 2589 1.89 kiyohara uint32_t fun; 2590 1.7 onoe 2591 1.89 kiyohara device_printf(fc->dev, "Initiate bus reset\n"); 2592 1.89 kiyohara sc = (struct fwohci_softc *)fc; 2593 1.7 onoe 2594 1.7 onoe /* 2595 1.89 kiyohara * Make sure our cached values from the config rom are 2596 1.89 kiyohara * initialised. 2597 1.7 onoe */ 2598 1.89 kiyohara OWRITE(sc, OHCI_CROMHDR, ntohl(sc->fc.config_rom[0])); 2599 1.89 kiyohara OWRITE(sc, OHCI_BUS_OPT, ntohl(sc->fc.config_rom[2])); 2600 1.36 onoe 2601 1.36 onoe /* 2602 1.89 kiyohara * Set root hold-off bit so that non cyclemaster capable node 2603 1.89 kiyohara * shouldn't became the root node. 2604 1.36 onoe */ 2605 1.89 kiyohara #if 1 2606 1.89 kiyohara fun = fwphy_rddata(sc, FW_PHY_IBR_REG); 2607 1.89 kiyohara fun |= FW_PHY_IBR | FW_PHY_RHB; 2608 1.89 kiyohara fun = fwphy_wrdata(sc, FW_PHY_IBR_REG, fun); 2609 1.89 kiyohara #else /* Short bus reset */ 2610 1.89 kiyohara fun = fwphy_rddata(sc, FW_PHY_ISBR_REG); 2611 1.89 kiyohara fun |= FW_PHY_ISBR | FW_PHY_RHB; 2612 1.89 kiyohara fun = fwphy_wrdata(sc, FW_PHY_ISBR_REG, fun); 2613 1.89 kiyohara #endif 2614 1.36 onoe } 2615 1.36 onoe 2616 1.89 kiyohara void 2617 1.89 kiyohara fwohci_txbufdb(struct fwohci_softc *sc, int dmach, struct fw_bulkxfer *bulkxfer) 2618 1.36 onoe { 2619 1.89 kiyohara struct fwohcidb_tr *db_tr, *fdb_tr; 2620 1.89 kiyohara struct fwohci_dbch *dbch; 2621 1.89 kiyohara struct fwohcidb *db; 2622 1.89 kiyohara struct fw_pkt *fp; 2623 1.89 kiyohara struct fwohci_txpkthdr *ohcifp; 2624 1.89 kiyohara unsigned short chtag; 2625 1.89 kiyohara int idb; 2626 1.89 kiyohara 2627 1.89 kiyohara dbch = &sc->it[dmach]; 2628 1.89 kiyohara chtag = sc->it[dmach].xferq.flag & 0xff; 2629 1.89 kiyohara 2630 1.89 kiyohara db_tr = (struct fwohcidb_tr *)(bulkxfer->start); 2631 1.89 kiyohara fdb_tr = (struct fwohcidb_tr *)(bulkxfer->end); 2632 1.89 kiyohara /* 2633 1.89 kiyohara device_printf(sc->fc.dev, "DB %08x %08x %08x\n", bulkxfer, db_tr->bus_addr, fdb_tr->bus_addr); 2634 1.89 kiyohara */ 2635 1.89 kiyohara for (idb = 0; idb < dbch->xferq.bnpacket; idb ++) { 2636 1.89 kiyohara db = db_tr->db; 2637 1.89 kiyohara fp = (struct fw_pkt *)db_tr->buf; 2638 1.89 kiyohara ohcifp = (struct fwohci_txpkthdr *) db[1].db.immed; 2639 1.89 kiyohara ohcifp->mode.ld[0] = fp->mode.ld[0]; 2640 1.89 kiyohara ohcifp->mode.common.spd = 0 & 0x7; 2641 1.89 kiyohara ohcifp->mode.stream.len = fp->mode.stream.len; 2642 1.89 kiyohara ohcifp->mode.stream.chtag = chtag; 2643 1.89 kiyohara ohcifp->mode.stream.tcode = 0xa; 2644 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN 2645 1.100 blymn FWOHCI_DMA_WRITE(db[1].db.immed[0], db[1].db.immed[0]); 2646 1.100 blymn FWOHCI_DMA_WRITE(db[1].db.immed[1], db[1].db.immed[1]); 2647 1.89 kiyohara #endif 2648 1.36 onoe 2649 1.89 kiyohara FWOHCI_DMA_CLEAR(db[2].db.desc.cmd, OHCI_COUNT_MASK); 2650 1.89 kiyohara FWOHCI_DMA_SET(db[2].db.desc.cmd, fp->mode.stream.len); 2651 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.res, 0); 2652 1.89 kiyohara #if 0 /* if bulkxfer->npackets changes */ 2653 1.89 kiyohara db[2].db.desc.cmd = OHCI_OUTPUT_LAST 2654 1.89 kiyohara | OHCI_UPDATE 2655 1.89 kiyohara | OHCI_BRANCH_ALWAYS; 2656 1.89 kiyohara db[0].db.desc.depend = 2657 1.89 kiyohara = db[dbch->ndesc - 1].db.desc.depend 2658 1.89 kiyohara = STAILQ_NEXT(db_tr, link)->bus_addr | dbch->ndesc; 2659 1.89 kiyohara #else 2660 1.89 kiyohara FWOHCI_DMA_SET(db[0].db.desc.depend, dbch->ndesc); 2661 1.89 kiyohara FWOHCI_DMA_SET(db[dbch->ndesc - 1].db.desc.depend, dbch->ndesc); 2662 1.89 kiyohara #endif 2663 1.89 kiyohara bulkxfer->end = (caddr_t)db_tr; 2664 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link); 2665 1.36 onoe } 2666 1.89 kiyohara db = ((struct fwohcidb_tr *)bulkxfer->end)->db; 2667 1.89 kiyohara FWOHCI_DMA_CLEAR(db[0].db.desc.depend, 0xf); 2668 1.89 kiyohara FWOHCI_DMA_CLEAR(db[dbch->ndesc - 1].db.desc.depend, 0xf); 2669 1.89 kiyohara #if 0 /* if bulkxfer->npackets changes */ 2670 1.89 kiyohara db[dbch->ndesc - 1].db.desc.control |= OHCI_INTERRUPT_ALWAYS; 2671 1.89 kiyohara /* OHCI 1.1 and above */ 2672 1.89 kiyohara db[0].db.desc.control |= OHCI_INTERRUPT_ALWAYS; 2673 1.89 kiyohara #endif 2674 1.89 kiyohara /* 2675 1.89 kiyohara db_tr = (struct fwohcidb_tr *)bulkxfer->start; 2676 1.89 kiyohara fdb_tr = (struct fwohcidb_tr *)bulkxfer->end; 2677 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); 2678 1.89 kiyohara */ 2679 1.89 kiyohara return; 2680 1.7 onoe } 2681 1.7 onoe 2682 1.89 kiyohara static int 2683 1.89 kiyohara fwohci_add_tx_buf(struct fwohci_dbch *dbch, struct fwohcidb_tr *db_tr, 2684 1.89 kiyohara int poffset) 2685 1.3 onoe { 2686 1.89 kiyohara struct fwohcidb *db = db_tr->db; 2687 1.89 kiyohara struct fw_xferq *it; 2688 1.89 kiyohara int err = 0; 2689 1.3 onoe 2690 1.89 kiyohara it = &dbch->xferq; 2691 1.89 kiyohara if(it->buf == 0){ 2692 1.89 kiyohara err = EINVAL; 2693 1.89 kiyohara return err; 2694 1.89 kiyohara } 2695 1.89 kiyohara db_tr->buf = fwdma_v_addr(it->buf, poffset); 2696 1.89 kiyohara db_tr->dbcnt = 3; 2697 1.40 haya 2698 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.cmd, 2699 1.89 kiyohara OHCI_OUTPUT_MORE | OHCI_KEY_ST2 | 8); 2700 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.addr, 0); 2701 1.89 kiyohara bzero((void *)&db[1].db.immed[0], sizeof(db[1].db.immed)); 2702 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.addr, 2703 1.95 kiyohara fwdma_bus_addr(it->buf, poffset) + sizeof(uint32_t)); 2704 1.62 haya 2705 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.cmd, 2706 1.89 kiyohara OHCI_OUTPUT_LAST | OHCI_UPDATE | OHCI_BRANCH_ALWAYS); 2707 1.62 haya #if 1 2708 1.89 kiyohara FWOHCI_DMA_WRITE(db[0].db.desc.res, 0); 2709 1.89 kiyohara FWOHCI_DMA_WRITE(db[2].db.desc.res, 0); 2710 1.62 haya #endif 2711 1.89 kiyohara return 0; 2712 1.62 haya } 2713 1.62 haya 2714 1.62 haya int 2715 1.89 kiyohara fwohci_add_rx_buf(struct fwohci_dbch *dbch, struct fwohcidb_tr *db_tr, 2716 1.89 kiyohara int poffset, struct fwdma_alloc *dummy_dma) 2717 1.62 haya { 2718 1.89 kiyohara struct fwohcidb *db = db_tr->db; 2719 1.89 kiyohara struct fw_xferq *ir; 2720 1.89 kiyohara int i, ldesc; 2721 1.89 kiyohara bus_addr_t dbuf[2]; 2722 1.89 kiyohara int dsiz[2]; 2723 1.62 haya 2724 1.89 kiyohara ir = &dbch->xferq; 2725 1.98 kiyohara if (db_tr->buf == NULL && (dbch->xferq.flag & FWXFERQ_EXTBUF) == 0) { 2726 1.89 kiyohara db_tr->buf = fwdma_malloc_size(dbch->dmat, &db_tr->dma_map, 2727 1.89 kiyohara ir->psize, &dbuf[0], BUS_DMA_NOWAIT); 2728 1.89 kiyohara if (db_tr->buf == NULL) 2729 1.89 kiyohara return(ENOMEM); 2730 1.89 kiyohara db_tr->dbcnt = 1; 2731 1.89 kiyohara dsiz[0] = ir->psize; 2732 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map, 2733 1.89 kiyohara BUS_DMASYNC_PREREAD); 2734 1.62 haya } else { 2735 1.89 kiyohara db_tr->dbcnt = 0; 2736 1.89 kiyohara if (dummy_dma != NULL) { 2737 1.89 kiyohara dsiz[db_tr->dbcnt] = sizeof(uint32_t); 2738 1.89 kiyohara dbuf[db_tr->dbcnt++] = dummy_dma->bus_addr; 2739 1.89 kiyohara } 2740 1.89 kiyohara dsiz[db_tr->dbcnt] = ir->psize; 2741 1.98 kiyohara if (db_tr->buf != NULL) { 2742 1.89 kiyohara db_tr->buf = fwdma_v_addr(ir->buf, poffset); 2743 1.89 kiyohara dbuf[db_tr->dbcnt] = fwdma_bus_addr( ir->buf, poffset); 2744 1.62 haya } 2745 1.89 kiyohara db_tr->dbcnt++; 2746 1.62 haya } 2747 1.89 kiyohara for(i = 0 ; i < db_tr->dbcnt ; i++){ 2748 1.89 kiyohara FWOHCI_DMA_WRITE(db[i].db.desc.addr, dbuf[i]); 2749 1.89 kiyohara FWOHCI_DMA_WRITE(db[i].db.desc.cmd, OHCI_INPUT_MORE | dsiz[i]); 2750 1.89 kiyohara if (ir->flag & FWXFERQ_STREAM) { 2751 1.89 kiyohara FWOHCI_DMA_SET(db[i].db.desc.cmd, OHCI_UPDATE); 2752 1.62 haya } 2753 1.89 kiyohara FWOHCI_DMA_WRITE(db[i].db.desc.res, dsiz[i]); 2754 1.62 haya } 2755 1.89 kiyohara ldesc = db_tr->dbcnt - 1; 2756 1.89 kiyohara if (ir->flag & FWXFERQ_STREAM) { 2757 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.cmd, OHCI_INPUT_LAST); 2758 1.62 haya } 2759 1.89 kiyohara FWOHCI_DMA_SET(db[ldesc].db.desc.cmd, OHCI_BRANCH_ALWAYS); 2760 1.89 kiyohara return 0; 2761 1.62 haya } 2762 1.62 haya 2763 1.62 haya 2764 1.89 kiyohara static int 2765 1.89 kiyohara fwohci_arcv_swap(struct fw_pkt *fp, int len) 2766 1.89 kiyohara { 2767 1.89 kiyohara struct fw_pkt *fp0; 2768 1.89 kiyohara uint32_t ld0; 2769 1.89 kiyohara int slen, hlen; 2770 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN 2771 1.89 kiyohara int i; 2772 1.89 kiyohara #endif 2773 1.62 haya 2774 1.89 kiyohara ld0 = FWOHCI_DMA_READ(fp->mode.ld[0]); 2775 1.62 haya #if 0 2776 1.89 kiyohara printf("ld0: x%08x\n", ld0); 2777 1.62 haya #endif 2778 1.89 kiyohara fp0 = (struct fw_pkt *)&ld0; 2779 1.89 kiyohara /* determine length to swap */ 2780 1.89 kiyohara switch (fp0->mode.common.tcode) { 2781 1.89 kiyohara case FWTCODE_WRES: 2782 1.89 kiyohara CTR0(KTR_DEV, "WRES"); 2783 1.89 kiyohara case FWTCODE_RREQQ: 2784 1.89 kiyohara case FWTCODE_WREQQ: 2785 1.89 kiyohara case FWTCODE_RRESQ: 2786 1.89 kiyohara case FWOHCITCODE_PHY: 2787 1.89 kiyohara slen = 12; 2788 1.89 kiyohara break; 2789 1.89 kiyohara case FWTCODE_RREQB: 2790 1.89 kiyohara case FWTCODE_WREQB: 2791 1.89 kiyohara case FWTCODE_LREQ: 2792 1.89 kiyohara case FWTCODE_RRESB: 2793 1.89 kiyohara case FWTCODE_LRES: 2794 1.89 kiyohara slen = 16; 2795 1.89 kiyohara break; 2796 1.89 kiyohara default: 2797 1.89 kiyohara printf("Unknown tcode %d\n", fp0->mode.common.tcode); 2798 1.89 kiyohara return(0); 2799 1.62 haya } 2800 1.89 kiyohara hlen = tinfo[fp0->mode.common.tcode].hdr_len; 2801 1.89 kiyohara if (hlen > len) { 2802 1.89 kiyohara if (firewire_debug) 2803 1.89 kiyohara printf("splitted header\n"); 2804 1.89 kiyohara return(-hlen); 2805 1.62 haya } 2806 1.89 kiyohara #if BYTE_ORDER == BIG_ENDIAN 2807 1.89 kiyohara for(i = 0; i < slen/4; i ++) 2808 1.89 kiyohara fp->mode.ld[i] = FWOHCI_DMA_READ(fp->mode.ld[i]); 2809 1.62 haya #endif 2810 1.89 kiyohara return(hlen); 2811 1.62 haya } 2812 1.62 haya 2813 1.62 haya static int 2814 1.89 kiyohara fwohci_get_plen(struct fwohci_softc *sc, struct fwohci_dbch *dbch, struct fw_pkt *fp) 2815 1.62 haya { 2816 1.90 drochner const struct tcode_info *info; 2817 1.89 kiyohara int r; 2818 1.62 haya 2819 1.89 kiyohara info = &tinfo[fp->mode.common.tcode]; 2820 1.89 kiyohara r = info->hdr_len + sizeof(uint32_t); 2821 1.89 kiyohara if ((info->flag & FWTI_BLOCK_ASY) != 0) 2822 1.89 kiyohara r += roundup2(fp->mode.wreqb.len, sizeof(uint32_t)); 2823 1.62 haya 2824 1.89 kiyohara if (r == sizeof(uint32_t)) { 2825 1.89 kiyohara /* XXX */ 2826 1.89 kiyohara device_printf(sc->fc.dev, "Unknown tcode %d\n", 2827 1.89 kiyohara fp->mode.common.tcode); 2828 1.89 kiyohara return (-1); 2829 1.62 haya } 2830 1.62 haya 2831 1.89 kiyohara if (r > dbch->xferq.psize) { 2832 1.89 kiyohara device_printf(sc->fc.dev, "Invalid packet length %d\n", r); 2833 1.89 kiyohara return (-1); 2834 1.89 kiyohara /* panic ? */ 2835 1.62 haya } 2836 1.62 haya 2837 1.89 kiyohara return r; 2838 1.62 haya } 2839 1.62 haya 2840 1.62 haya static void 2841 1.89 kiyohara fwohci_arcv_free_buf(struct fwohci_softc *sc, struct fwohci_dbch *dbch, 2842 1.89 kiyohara struct fwohcidb_tr *db_tr, uint32_t off, int wake) 2843 1.62 haya { 2844 1.89 kiyohara struct fwohcidb *db = &db_tr->db[0]; 2845 1.62 haya 2846 1.89 kiyohara FWOHCI_DMA_CLEAR(db->db.desc.depend, 0xf); 2847 1.89 kiyohara FWOHCI_DMA_WRITE(db->db.desc.res, dbch->xferq.psize); 2848 1.89 kiyohara FWOHCI_DMA_SET(dbch->bottom->db[0].db.desc.depend, 1); 2849 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 2850 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 2851 1.89 kiyohara dbch->bottom = db_tr; 2852 1.62 haya 2853 1.89 kiyohara if (wake) 2854 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_WAKE); 2855 1.62 haya } 2856 1.62 haya 2857 1.89 kiyohara static void 2858 1.89 kiyohara fwohci_arcv(struct fwohci_softc *sc, struct fwohci_dbch *dbch, int count) 2859 1.62 haya { 2860 1.89 kiyohara struct fwohcidb_tr *db_tr; 2861 1.89 kiyohara struct iovec vec[2]; 2862 1.89 kiyohara struct fw_pkt pktbuf; 2863 1.89 kiyohara int nvec; 2864 1.89 kiyohara struct fw_pkt *fp; 2865 1.89 kiyohara uint8_t *ld; 2866 1.89 kiyohara uint32_t stat, off, status, event; 2867 1.89 kiyohara u_int spd; 2868 1.89 kiyohara int len, plen, hlen, pcnt, offset; 2869 1.89 kiyohara int s; 2870 1.89 kiyohara caddr_t buf; 2871 1.89 kiyohara int resCount; 2872 1.62 haya 2873 1.89 kiyohara CTR0(KTR_DEV, "fwohci_arv"); 2874 1.62 haya 2875 1.89 kiyohara if(&sc->arrq == dbch){ 2876 1.89 kiyohara off = OHCI_ARQOFF; 2877 1.89 kiyohara }else if(&sc->arrs == dbch){ 2878 1.89 kiyohara off = OHCI_ARSOFF; 2879 1.89 kiyohara }else{ 2880 1.89 kiyohara return; 2881 1.62 haya } 2882 1.62 haya 2883 1.89 kiyohara s = splfw(); 2884 1.89 kiyohara db_tr = dbch->top; 2885 1.89 kiyohara pcnt = 0; 2886 1.89 kiyohara /* XXX we cannot handle a packet which lies in more than two buf */ 2887 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 2888 1.99 kiyohara BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 2889 1.89 kiyohara status = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) >> OHCI_STATUS_SHIFT; 2890 1.89 kiyohara resCount = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) & OHCI_COUNT_MASK; 2891 1.89 kiyohara while (status & OHCI_CNTL_DMA_ACTIVE) { 2892 1.89 kiyohara #if 0 2893 1.62 haya 2894 1.89 kiyohara if (off == OHCI_ARQOFF) 2895 1.89 kiyohara printf("buf 0x%08x, status 0x%04x, resCount 0x%04x\n", 2896 1.89 kiyohara db_tr->bus_addr, status, resCount); 2897 1.89 kiyohara #endif 2898 1.89 kiyohara len = dbch->xferq.psize - resCount; 2899 1.89 kiyohara ld = (uint8_t *)db_tr->buf; 2900 1.89 kiyohara if (dbch->pdb_tr == NULL) { 2901 1.89 kiyohara len -= dbch->buf_offset; 2902 1.89 kiyohara ld += dbch->buf_offset; 2903 1.89 kiyohara } 2904 1.89 kiyohara if (len > 0) 2905 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map, 2906 1.89 kiyohara BUS_DMASYNC_POSTREAD); 2907 1.89 kiyohara while (len > 0 ) { 2908 1.89 kiyohara if (count >= 0 && count-- == 0) 2909 1.89 kiyohara goto out; 2910 1.89 kiyohara if(dbch->pdb_tr != NULL){ 2911 1.89 kiyohara /* we have a fragment in previous buffer */ 2912 1.89 kiyohara int rlen; 2913 1.89 kiyohara 2914 1.89 kiyohara offset = dbch->buf_offset; 2915 1.89 kiyohara if (offset < 0) 2916 1.89 kiyohara offset = - offset; 2917 1.89 kiyohara buf = dbch->pdb_tr->buf + offset; 2918 1.89 kiyohara rlen = dbch->xferq.psize - offset; 2919 1.89 kiyohara if (firewire_debug) 2920 1.89 kiyohara printf("rlen=%d, offset=%d\n", 2921 1.89 kiyohara rlen, dbch->buf_offset); 2922 1.89 kiyohara if (dbch->buf_offset < 0) { 2923 1.89 kiyohara /* splitted in header, pull up */ 2924 1.89 kiyohara char *p; 2925 1.89 kiyohara 2926 1.89 kiyohara p = (char *)&pktbuf; 2927 1.89 kiyohara bcopy(buf, p, rlen); 2928 1.89 kiyohara p += rlen; 2929 1.89 kiyohara /* this must be too long but harmless */ 2930 1.89 kiyohara rlen = sizeof(pktbuf) - rlen; 2931 1.89 kiyohara if (rlen < 0) 2932 1.89 kiyohara printf("why rlen < 0\n"); 2933 1.89 kiyohara bcopy(db_tr->buf, p, rlen); 2934 1.89 kiyohara ld += rlen; 2935 1.89 kiyohara len -= rlen; 2936 1.89 kiyohara hlen = fwohci_arcv_swap(&pktbuf, sizeof(pktbuf)); 2937 1.89 kiyohara if (hlen <= 0) { 2938 1.89 kiyohara printf("hlen < 0 shouldn't happen"); 2939 1.89 kiyohara goto err; 2940 1.89 kiyohara } 2941 1.89 kiyohara offset = sizeof(pktbuf); 2942 1.89 kiyohara vec[0].iov_base = (char *)&pktbuf; 2943 1.89 kiyohara vec[0].iov_len = offset; 2944 1.89 kiyohara } else { 2945 1.89 kiyohara /* splitted in payload */ 2946 1.89 kiyohara offset = rlen; 2947 1.89 kiyohara vec[0].iov_base = buf; 2948 1.89 kiyohara vec[0].iov_len = rlen; 2949 1.89 kiyohara } 2950 1.89 kiyohara fp=(struct fw_pkt *)vec[0].iov_base; 2951 1.89 kiyohara nvec = 1; 2952 1.89 kiyohara } else { 2953 1.89 kiyohara /* no fragment in previous buffer */ 2954 1.89 kiyohara fp=(struct fw_pkt *)ld; 2955 1.89 kiyohara hlen = fwohci_arcv_swap(fp, len); 2956 1.89 kiyohara if (hlen == 0) 2957 1.89 kiyohara goto err; 2958 1.89 kiyohara if (hlen < 0) { 2959 1.89 kiyohara dbch->pdb_tr = db_tr; 2960 1.89 kiyohara dbch->buf_offset = - dbch->buf_offset; 2961 1.89 kiyohara /* sanity check */ 2962 1.89 kiyohara if (resCount != 0) { 2963 1.89 kiyohara printf("resCount=%d hlen=%d\n", 2964 1.89 kiyohara resCount, hlen); 2965 1.89 kiyohara goto err; 2966 1.89 kiyohara } 2967 1.89 kiyohara goto out; 2968 1.89 kiyohara } 2969 1.89 kiyohara offset = 0; 2970 1.89 kiyohara nvec = 0; 2971 1.89 kiyohara } 2972 1.89 kiyohara plen = fwohci_get_plen(sc, dbch, fp) - offset; 2973 1.89 kiyohara if (plen < 0) { 2974 1.89 kiyohara /* minimum header size + trailer 2975 1.89 kiyohara = sizeof(fw_pkt) so this shouldn't happens */ 2976 1.89 kiyohara printf("plen(%d) is negative! offset=%d\n", 2977 1.89 kiyohara plen, offset); 2978 1.89 kiyohara goto err; 2979 1.89 kiyohara } 2980 1.89 kiyohara if (plen > 0) { 2981 1.89 kiyohara len -= plen; 2982 1.89 kiyohara if (len < 0) { 2983 1.89 kiyohara dbch->pdb_tr = db_tr; 2984 1.89 kiyohara if (firewire_debug) 2985 1.89 kiyohara printf("splitted payload\n"); 2986 1.89 kiyohara /* sanity check */ 2987 1.89 kiyohara if (resCount != 0) { 2988 1.89 kiyohara printf("resCount=%d plen=%d" 2989 1.89 kiyohara " len=%d\n", 2990 1.89 kiyohara resCount, plen, len); 2991 1.89 kiyohara goto err; 2992 1.89 kiyohara } 2993 1.89 kiyohara goto out; 2994 1.89 kiyohara } 2995 1.89 kiyohara vec[nvec].iov_base = ld; 2996 1.89 kiyohara vec[nvec].iov_len = plen; 2997 1.89 kiyohara nvec ++; 2998 1.89 kiyohara ld += plen; 2999 1.89 kiyohara } 3000 1.89 kiyohara dbch->buf_offset = ld - (uint8_t *)db_tr->buf; 3001 1.89 kiyohara if (nvec == 0) 3002 1.89 kiyohara printf("nvec == 0\n"); 3003 1.62 haya 3004 1.89 kiyohara /* DMA result-code will be written at the tail of packet */ 3005 1.89 kiyohara stat = FWOHCI_DMA_READ(*(uint32_t *)(ld - sizeof(struct fwohci_trailer))); 3006 1.89 kiyohara #if 0 3007 1.89 kiyohara printf("plen: %d, stat %x\n", 3008 1.89 kiyohara plen ,stat); 3009 1.89 kiyohara #endif 3010 1.89 kiyohara spd = (stat >> 21) & 0x3; 3011 1.89 kiyohara event = (stat >> 16) & 0x1f; 3012 1.89 kiyohara switch (event) { 3013 1.89 kiyohara case FWOHCIEV_ACKPEND: 3014 1.89 kiyohara #if 0 3015 1.89 kiyohara printf("fwohci_arcv: ack pending tcode=0x%x..\n", fp->mode.common.tcode); 3016 1.89 kiyohara #endif 3017 1.89 kiyohara /* fall through */ 3018 1.89 kiyohara case FWOHCIEV_ACKCOMPL: 3019 1.89 kiyohara { 3020 1.89 kiyohara struct fw_rcv_buf rb; 3021 1.89 kiyohara 3022 1.89 kiyohara if ((vec[nvec-1].iov_len -= 3023 1.89 kiyohara sizeof(struct fwohci_trailer)) == 0) 3024 1.100 blymn nvec--; 3025 1.89 kiyohara rb.fc = &sc->fc; 3026 1.89 kiyohara rb.vec = vec; 3027 1.89 kiyohara rb.nvec = nvec; 3028 1.89 kiyohara rb.spd = spd; 3029 1.89 kiyohara fw_rcv(&rb); 3030 1.62 haya break; 3031 1.89 kiyohara } 3032 1.89 kiyohara case FWOHCIEV_BUSRST: 3033 1.100 blymn if (sc->fc.status != FWBUSRESET) 3034 1.89 kiyohara printf("got BUSRST packet!?\n"); 3035 1.62 haya break; 3036 1.62 haya default: 3037 1.89 kiyohara device_printf(sc->fc.dev, 3038 1.89 kiyohara "Async DMA Receive error err=%02x %s" 3039 1.89 kiyohara " plen=%d offset=%d len=%d status=0x%08x" 3040 1.89 kiyohara " tcode=0x%x, stat=0x%08x\n", 3041 1.89 kiyohara event, fwohcicode[event], plen, 3042 1.89 kiyohara dbch->buf_offset, len, 3043 1.89 kiyohara OREAD(sc, OHCI_DMACTL(off)), 3044 1.89 kiyohara fp->mode.common.tcode, stat); 3045 1.89 kiyohara #if 1 /* XXX */ 3046 1.89 kiyohara goto err; 3047 1.89 kiyohara #endif 3048 1.62 haya break; 3049 1.62 haya } 3050 1.89 kiyohara pcnt ++; 3051 1.89 kiyohara if (dbch->pdb_tr != NULL) { 3052 1.89 kiyohara fwohci_arcv_free_buf(sc, dbch, dbch->pdb_tr, 3053 1.89 kiyohara off, 1); 3054 1.89 kiyohara dbch->pdb_tr = NULL; 3055 1.89 kiyohara } 3056 1.62 haya 3057 1.62 haya } 3058 1.89 kiyohara out: 3059 1.89 kiyohara if (resCount == 0) { 3060 1.89 kiyohara /* done on this buffer */ 3061 1.89 kiyohara if (dbch->pdb_tr == NULL) { 3062 1.89 kiyohara fwohci_arcv_free_buf(sc, dbch, db_tr, off, 1); 3063 1.89 kiyohara dbch->buf_offset = 0; 3064 1.89 kiyohara } else 3065 1.89 kiyohara if (dbch->pdb_tr != db_tr) 3066 1.89 kiyohara printf("pdb_tr != db_tr\n"); 3067 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link); 3068 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 3069 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3070 1.89 kiyohara status = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) 3071 1.89 kiyohara >> OHCI_STATUS_SHIFT; 3072 1.89 kiyohara resCount = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) 3073 1.89 kiyohara & OHCI_COUNT_MASK; 3074 1.89 kiyohara /* XXX check buffer overrun */ 3075 1.89 kiyohara dbch->top = db_tr; 3076 1.62 haya } else { 3077 1.89 kiyohara dbch->buf_offset = dbch->xferq.psize - resCount; 3078 1.89 kiyohara fw_bus_dmamap_sync( 3079 1.89 kiyohara dbch->dmat, db_tr->dma_map, BUS_DMASYNC_PREREAD); 3080 1.62 haya break; 3081 1.62 haya } 3082 1.89 kiyohara /* XXX make sure DMA is not dead */ 3083 1.62 haya } 3084 1.89 kiyohara #if 0 3085 1.89 kiyohara if (pcnt < 1) 3086 1.89 kiyohara printf("fwohci_arcv: no packets\n"); 3087 1.89 kiyohara #endif 3088 1.99 kiyohara fwdma_sync_multiseg_all(dbch->am, 3089 1.99 kiyohara BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3090 1.89 kiyohara splx(s); 3091 1.89 kiyohara return; 3092 1.62 haya 3093 1.89 kiyohara err: 3094 1.89 kiyohara device_printf(sc->fc.dev, "AR DMA status=%x, ", 3095 1.89 kiyohara OREAD(sc, OHCI_DMACTL(off))); 3096 1.89 kiyohara dbch->pdb_tr = NULL; 3097 1.89 kiyohara /* skip until resCount != 0 */ 3098 1.89 kiyohara printf(" skip buffer"); 3099 1.89 kiyohara while (resCount == 0) { 3100 1.89 kiyohara printf(" #"); 3101 1.89 kiyohara fwohci_arcv_free_buf(sc, dbch, db_tr, off, 0); 3102 1.89 kiyohara db_tr = STAILQ_NEXT(db_tr, link); 3103 1.89 kiyohara resCount = FWOHCI_DMA_READ(db_tr->db[0].db.desc.res) 3104 1.89 kiyohara & OHCI_COUNT_MASK; 3105 1.89 kiyohara } 3106 1.89 kiyohara printf(" done\n"); 3107 1.89 kiyohara dbch->top = db_tr; 3108 1.89 kiyohara dbch->buf_offset = dbch->xferq.psize - resCount; 3109 1.89 kiyohara OWRITE(sc, OHCI_DMACTL(off), OHCI_CNTL_DMA_WAKE); 3110 1.99 kiyohara fwdma_sync_multiseg_all( 3111 1.99 kiyohara dbch->am, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 3112 1.89 kiyohara fw_bus_dmamap_sync(dbch->dmat, db_tr->dma_map, BUS_DMASYNC_PREREAD); 3113 1.89 kiyohara splx(s); 3114 1.62 haya } 3115 1.89 kiyohara #if defined(__NetBSD__) 3116 1.62 haya 3117 1.89 kiyohara int 3118 1.89 kiyohara fwohci_print(void *aux, const char *pnp) 3119 1.100 blymn { 3120 1.101 kiyohara struct fw_attach_args *fwa = (struct fw_attach_args *)aux; 3121 1.62 haya 3122 1.89 kiyohara if (pnp) 3123 1.101 kiyohara aprint_normal("%s at %s", fwa->name, pnp); 3124 1.62 haya 3125 1.89 kiyohara return UNCONF; 3126 1.62 haya } 3127 1.89 kiyohara #endif 3128
Indexes created Tue Sep 23 21:09:50 GMT 2025