sys/legacy/dev/usb/ehci_ddb.c

   1
   2 #include <sys/cdefs.h>
   3 __FBSDID("$FreeBSD$");
   4
   5 #include "opt_ddb.h"
   6
   7 #include <sys/param.h>
   8 #include <sys/systm.h>
   9 #include <sys/kernel.h>
  10 #include <sys/endian.h>
  11 #include <sys/bus.h>
  12 #include <sys/lock.h>
  13 #include <sys/lockmgr.h>
  14
  15 #include <machine/bus.h>
  16 #include <machine/endian.h>
  17
  18 #include <dev/usb/usb.h>
  19 #include <dev/usb/usbdi.h>
  20 #include <dev/usb/usbdivar.h>
  21
  22 #include <dev/usb/ehcireg.h>
  23 #include <dev/usb/ehcivar.h>
  24
  25 #ifdef DDB
  26 #include <ddb/ddb.h>
  27 #include <ddb/db_sym.h>
  28 #else
  29 #define db_printf       printf
  30 #endif
  31
  32 extern  ehci_softc_t *theehci;          /* XXX */
  33
  34 void
  35 ehci_dump_regs(ehci_softc_t *sc)
  36 {
  37         int i;
  38         db_printf("cmd=0x%08x, sts=0x%08x, ien=0x%08x\n",
  39                EOREAD4(sc, EHCI_USBCMD),
  40                EOREAD4(sc, EHCI_USBSTS),
  41                EOREAD4(sc, EHCI_USBINTR));
  42         db_printf("frindex=0x%08x ctrdsegm=0x%08x periodic=0x%08x async=0x%08x\n",
  43                EOREAD4(sc, EHCI_FRINDEX),
  44                EOREAD4(sc, EHCI_CTRLDSSEGMENT),
  45                EOREAD4(sc, EHCI_PERIODICLISTBASE),
  46                EOREAD4(sc, EHCI_ASYNCLISTADDR));
  47         for (i = 1; i <= sc->sc_noport; i++)
  48                 db_printf("port %d status=0x%08x\n", i,
  49                        EOREAD4(sc, EHCI_PORTSC(i)));
  50 }
  51
  52 static void
  53 ehci_dump_link(ehci_softc_t *sc, ehci_link_t link, int type)
  54 {
  55         link = hc32toh(sc, link);
  56         db_printf("0x%08x", link);
  57         if (link & EHCI_LINK_TERMINATE)
  58                 db_printf("<T>");
  59         else {
  60                 db_printf("<");
  61                 if (type) {
  62                         switch (EHCI_LINK_TYPE(link)) {
  63                         case EHCI_LINK_ITD: db_printf("ITD"); break;
  64                         case EHCI_LINK_QH: db_printf("QH"); break;
  65                         case EHCI_LINK_SITD: db_printf("SITD"); break;
  66                         case EHCI_LINK_FSTN: db_printf("FSTN"); break;
  67                         }
  68                 }
  69                 db_printf(">");
  70         }
  71 }
  72
  73 void
  74 ehci_dump_sqtds(ehci_softc_t *sc, ehci_soft_qtd_t *sqtd)
  75 {
  76         int i;
  77         u_int32_t stop;
  78
  79         stop = 0;
  80         for (i = 0; sqtd && i < 20 && !stop; sqtd = sqtd->nextqtd, i++) {
  81                 ehci_dump_sqtd(sc, sqtd);
  82                 stop = sqtd->qtd.qtd_next & htohc32(sc, EHCI_LINK_TERMINATE);
  83         }
  84         if (sqtd)
  85                 db_printf("dump aborted, too many TDs\n");
  86 }
  87
  88 void
  89 ehci_dump_qtd(ehci_softc_t *sc, ehci_qtd_t *qtd)
  90 {
  91         u_int32_t s;
  92
  93         db_printf("  next="); ehci_dump_link(sc, qtd->qtd_next, 0);
  94         db_printf(" altnext="); ehci_dump_link(sc, qtd->qtd_altnext, 0);
  95         db_printf("\n");
  96         s = hc32toh(sc, qtd->qtd_status);
  97         db_printf("  status=0x%08x: toggle=%d bytes=0x%x ioc=%d c_page=0x%x\n",
  98                s, EHCI_QTD_GET_TOGGLE(s), EHCI_QTD_GET_BYTES(s),
  99                EHCI_QTD_GET_IOC(s), EHCI_QTD_GET_C_PAGE(s));
 100         db_printf("    cerr=%d pid=%d stat=%b\n", EHCI_QTD_GET_CERR(s),
 101                EHCI_QTD_GET_PID(s),
 102                EHCI_QTD_GET_STATUS(s), EHCI_QTD_STATUS_BITS);
 103         for (s = 0; s < 5; s++)
 104                 db_printf("  buffer[%d]=0x%08x\n", s, hc32toh(sc, qtd->qtd_buffer[s]));
 105 }
 106
 107 void
 108 ehci_dump_sqtd(ehci_softc_t *sc, ehci_soft_qtd_t *sqtd)
 109 {
 110         db_printf("QTD(%p) at 0x%08x:\n", sqtd, sqtd->physaddr);
 111         ehci_dump_qtd(sc, &sqtd->qtd);
 112 }
 113
 114 void
 115 ehci_dump_sqh(ehci_softc_t *sc, ehci_soft_qh_t *sqh)
 116 {
 117         ehci_qh_t *qh = &sqh->qh;
 118         u_int32_t endp, endphub;
 119
 120         db_printf("QH(%p) at 0x%08x:\n", sqh, sqh->physaddr);
 121         db_printf("  sqtd=%p inactivesqtd=%p\n", sqh->sqtd, sqh->inactivesqtd);
 122         db_printf("  link="); ehci_dump_link(sc, qh->qh_link, 1); db_printf("\n");
 123         endp = hc32toh(sc, qh->qh_endp);
 124         db_printf("  endp=0x%08x\n", endp);
 125         db_printf("    addr=0x%02x inact=%d endpt=%d eps=%d dtc=%d hrecl=%d\n",
 126                EHCI_QH_GET_ADDR(endp), EHCI_QH_GET_INACT(endp),
 127                EHCI_QH_GET_ENDPT(endp),  EHCI_QH_GET_EPS(endp),
 128                EHCI_QH_GET_DTC(endp), EHCI_QH_GET_HRECL(endp));
 129         db_printf("    mpl=0x%x ctl=%d nrl=%d\n",
 130                EHCI_QH_GET_MPL(endp), EHCI_QH_GET_CTL(endp),
 131                EHCI_QH_GET_NRL(endp));
 132         endphub = hc32toh(sc, qh->qh_endphub);
 133         db_printf("  endphub=0x%08x\n", endphub);
 134         db_printf("    smask=0x%02x cmask=0x%02x huba=0x%02x port=%d mult=%d\n",
 135                EHCI_QH_GET_SMASK(endphub), EHCI_QH_GET_CMASK(endphub),
 136                EHCI_QH_GET_HUBA(endphub), EHCI_QH_GET_PORT(endphub),
 137                EHCI_QH_GET_MULT(endphub));
 138         db_printf("  curqtd="); ehci_dump_link(sc, qh->qh_curqtd, 0); db_printf("\n");
 139         db_printf("Overlay qTD:\n");
 140         ehci_dump_qtd(sc, &qh->qh_qtd);
 141 }
 142
 143 void
 144 ehci_dump_itd(ehci_softc_t *sc, struct ehci_soft_itd *itd)
 145 {
 146         ehci_isoc_trans_t t;
 147         ehci_isoc_bufr_ptr_t b, b2, b3;
 148         int i;
 149
 150         db_printf("ITD: next phys=%X\n", itd->itd.itd_next);
 151
 152         for (i = 0; i < 8;i++) {
 153                 t = hc32toh(sc, itd->itd.itd_ctl[i]);
 154                 db_printf("ITDctl %d: stat=%X len=%X ioc=%X pg=%X offs=%X\n", i,
 155                     EHCI_ITD_GET_STATUS(t), EHCI_ITD_GET_LEN(t),
 156                     EHCI_ITD_GET_IOC(t), EHCI_ITD_GET_PG(t),
 157                     EHCI_ITD_GET_OFFS(t));
 158         }
 159         db_printf("ITDbufr: ");
 160         for (i = 0; i < 7; i++)
 161                 db_printf("%X,", EHCI_ITD_GET_BPTR(hc32toh(sc, itd->itd.itd_bufr[i])));
 162
 163         b = hc32toh(sc, itd->itd.itd_bufr[0]);
 164         b2 = hc32toh(sc, itd->itd.itd_bufr[1]);
 165         b3 = hc32toh(sc, itd->itd.itd_bufr[2]);
 166         db_printf("\nep=%X daddr=%X dir=%d maxpkt=%X multi=%X\n",
 167             EHCI_ITD_GET_EP(b), EHCI_ITD_GET_DADDR(b), EHCI_ITD_GET_DIR(b2),
 168             EHCI_ITD_GET_MAXPKT(b2), EHCI_ITD_GET_MULTI(b3));
 169 }
 170
 171 void
 172 ehci_dump_sitd(ehci_softc_t *sc, struct ehci_soft_itd *itd)
 173 {
 174         db_printf("SITD %p next=%p prev=%p xfernext=%p physaddr=%X slot=%d\n",
 175             itd, itd->u.frame_list.next, itd->u.frame_list.prev,
 176             itd->xfer_next, itd->physaddr, itd->slot);
 177 }
 178
 179 void
 180 ehci_dump_exfer(struct ehci_xfer *ex)
 181 {
 182 #ifdef DIAGNOSTIC
 183         db_printf("%p: sqtdstart %p end %p itdstart %p end %p isdone %d\n",
 184             ex, ex->sqtdstart, ex->sqtdend, ex->itdstart,
 185             ex->itdend, ex->isdone);
 186 #else
 187         db_printf("%p: sqtdstart %p end %p itdstart %p end %p\n",
 188             ex, ex->sqtdstart, ex->sqtdend, ex->itdstart, ex->itdend);
 189 #endif
 190 }
 191
 192 #ifdef DDB
 193 DB_SHOW_COMMAND(ehci, db_show_ehci)
 194 {
 195         if (!have_addr) {
 196                 db_printf("usage: show ehci <addr>\n");
 197                 return;
 198         }
 199         ehci_dump_regs((ehci_softc_t *) addr);
 200 }
 201
 202 DB_SHOW_COMMAND(ehci_sqtds, db_show_ehci_sqtds)
 203 {
 204         if (!have_addr) {
 205                 db_printf("usage: show ehci_sqtds <addr>\n");
 206                 return;
 207         }
 208         ehci_dump_sqtds(theehci, (ehci_soft_qtd_t *) addr);
 209 }
 210
 211 DB_SHOW_COMMAND(ehci_qtd, db_show_ehci_qtd)
 212 {
 213         if (!have_addr) {
 214                 db_printf("usage: show ehci_qtd <addr>\n");
 215                 return;
 216         }
 217         ehci_dump_qtd(theehci, (ehci_qtd_t *) addr);
 218 }
 219
 220 DB_SHOW_COMMAND(ehci_sqh, db_show_ehci_sqh)
 221 {
 222         if (!have_addr) {
 223                 db_printf("usage: show ehci_sqh <addr>\n");
 224                 return;
 225         }
 226         ehci_dump_sqh(theehci, (ehci_soft_qh_t *) addr);
 227 }
 228
 229 DB_SHOW_COMMAND(ehci_itd, db_show_ehci_itd)
 230 {
 231         if (!have_addr) {
 232                 db_printf("usage: show ehci_itd <addr>\n");
 233                 return;
 234         }
 235         ehci_dump_itd(theehci, (struct ehci_soft_itd *) addr);
 236 }
 237
 238 DB_SHOW_COMMAND(ehci_sitd, db_show_ehci_sitd)
 239 {
 240         if (!have_addr) {
 241                 db_printf("usage: show ehci_sitd <addr>\n");
 242                 return;
 243         }
 244         ehci_dump_itd(theehci, (struct ehci_soft_itd *) addr);
 245 }
 246
 247 DB_SHOW_COMMAND(ehci_xfer, db_show_ehci_xfer)
 248 {
 249         if (!have_addr) {
 250                 db_printf("usage: show ehci_xfer <addr>\n");
 251                 return;
 252         }
 253         ehci_dump_exfer((struct ehci_xfer *) addr);
 254 }
 255 #endif /* DDB */