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authorMiod Vallat <miod@cvs.openbsd.org>2013-12-29 18:31:51 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2013-12-29 18:31:51 +0000
commit9d75e57fff3521b02c9cf1e4c588602473e86cd5 (patch)
tree77adeb001826aff39a34db4290017ce5f2d1dcb3 /sys
parent64391fd6ec8462250e279285d71e378ca4fa3e56 (diff)
Force clock clamping after one byte received instead of three. There are still
circumstances where the pckbc code gets confused otherwise, on *some* controllers.
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/sgi/dev/iockbc.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/sys/arch/sgi/dev/iockbc.c b/sys/arch/sgi/dev/iockbc.c
index 7d11ae08f55..4bbd8f6337e 100644
--- a/sys/arch/sgi/dev/iockbc.c
+++ b/sys/arch/sgi/dev/iockbc.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: iockbc.c,v 1.9 2013/12/25 21:01:01 miod Exp $ */
+/* $OpenBSD: iockbc.c,v 1.10 2013/12/29 18:31:50 miod Exp $ */
/*
* Copyright (c) 2013, Miodrag Vallat
* Copyright (c) 2006, 2007, 2009 Joel Sing <jsing@openbsd.org>
@@ -504,7 +504,7 @@ iockbc_attach_common(struct iockbc_softc *isc, bus_addr_t addr, int console,
} else {
/*
* Setup up controller: do not force pull clock and data lines
- * low, clamp clocks after three bytes received.
+ * low, clamp clocks after one byte received.
*/
cs = reginfo[PCKBC_KBD_SLOT].cs;
csr = bus_space_read_4(isc->iot, isc->ioh, cs);
@@ -512,8 +512,8 @@ iockbc_attach_common(struct iockbc_softc *isc, bus_addr_t addr, int console,
IOC3_KBC_CTRL_KBD_PULL_CLOCK_LOW |
IOC3_KBC_CTRL_AUX_PULL_DATA_LOW |
IOC3_KBC_CTRL_AUX_PULL_CLOCK_LOW |
- IOC3_KBC_CTRL_KBD_CLAMP_1 | IOC3_KBC_CTRL_AUX_CLAMP_1);
- csr |= IOC3_KBC_CTRL_KBD_CLAMP_3 | IOC3_KBC_CTRL_AUX_CLAMP_3;
+ IOC3_KBC_CTRL_KBD_CLAMP_3 | IOC3_KBC_CTRL_AUX_CLAMP_3);
+ csr |= IOC3_KBC_CTRL_KBD_CLAMP_1 | IOC3_KBC_CTRL_AUX_CLAMP_1;
bus_space_write_4(isc->iot, isc->ioh, cs, csr);
/* Setup pckbc_internal structure. */
@@ -1186,15 +1186,15 @@ iockbc_cnattach()
/*
* Setup up controller: do not force pull clock and data lines
- * low, clamp clocks after three bytes received.
+ * low, clamp clocks after one byte received.
*/
csr = bus_space_read_4(iot, ioh, reginfo->cs);
csr &= ~(IOC3_KBC_CTRL_KBD_PULL_DATA_LOW |
IOC3_KBC_CTRL_KBD_PULL_CLOCK_LOW |
IOC3_KBC_CTRL_AUX_PULL_DATA_LOW |
IOC3_KBC_CTRL_AUX_PULL_CLOCK_LOW |
- IOC3_KBC_CTRL_KBD_CLAMP_1 | IOC3_KBC_CTRL_AUX_CLAMP_1);
- csr |= IOC3_KBC_CTRL_KBD_CLAMP_3 | IOC3_KBC_CTRL_AUX_CLAMP_3;
+ IOC3_KBC_CTRL_KBD_CLAMP_3 | IOC3_KBC_CTRL_AUX_CLAMP_3);
+ csr |= IOC3_KBC_CTRL_KBD_CLAMP_1 | IOC3_KBC_CTRL_AUX_CLAMP_1;
bus_space_write_4(iot, ioh, reginfo->cs, csr);
/* Setup pckbc_internal structure. */