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Display the right sync period for fast devices.

This commit is contained in:
mycroft 1996-03-25 00:18:09 +00:00
parent fa29f1090f
commit 3ab38e9ad4
2 changed files with 24 additions and 2 deletions
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15
sys/dev/isa/bt.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: bt.c,v 1.2 1996/03/24 22:23:58 mycroft Exp $ */
/* $NetBSD: bt.c,v 1.3 1996/03/25 00:18:09 mycroft Exp $ */
#define BTDIAG
#define integrate
@ -944,6 +944,7 @@ bt_init(sc)
struct bt_devices devices;
struct bt_setup setup;
struct bt_mailbox mailbox;
struct bt_period period;
int i;
/* Enable round-robin scheme - appeared at firmware rev. 3.31. */
@ -972,13 +973,23 @@ bt_init(sc)
setup.reply.sync_neg ? "sync" : "async",
setup.reply.parity ? "parity" : "no parity");
for (i = 0; i < 8; i++)
period.reply.period[i] = setup.reply.sync[i].period * 5 + 20;
if (sc->sc_firmware[0] >= '3') {
period.cmd.opcode = BT_INQUIRE_PERIOD;
period.cmd.len = sizeof(period.reply);
bt_cmd(iobase, sc, sizeof(period.cmd), (u_char *)&period.cmd,
sizeof(period.reply), (u_char *)&period.reply);
}
for (i = 0; i < 8; i++) {
if (!setup.reply.sync[i].valid ||
(!setup.reply.sync[i].offset && !setup.reply.sync[i].period))
continue;
printf("%s targ %d: sync, offset %d, period %dnsec\n",
sc->sc_dev.dv_xname, i,
setup.reply.sync[i].offset, setup.reply.sync[i].period * 50 + 200);
setup.reply.sync[i].offset, period.reply.period[i] * 10);
}
/*

11
sys/dev/isa/btreg.h
View File

@ -53,6 +53,7 @@ typedef u_int8_t physlen[4];
#define BT_INQUIRE_REVISION_3 0x84 /* Get 3rd firmware version byte */
#define BT_INQUIRE_REVISION_4 0x85 /* Get 4th firmware version byte */
#define BT_INQUIRE_MODEL 0x8b /* Get hardware ID and revision */
#define BT_INQUIRE_PERIOD 0x8c /* Get synchronous period */
#define BT_INQUIRE_EXTENDED 0x8d /* Adapter Setup Inquiry */
#define BT_ROUND_ROBIN 0x8f /* Enable/Disable(default) round robin */
@ -279,6 +280,16 @@ struct bt_setup {
} reply;
};
struct bt_period {
struct {
u_char opcode;
u_char len;
} cmd;
struct {
u_char period[8];
} reply;
};
#define INT9 0x01
#define INT10 0x02
#define INT11 0x04