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[src/trunk]: src/sys/dev/i2c Revert previous until issues can be sorted out.
details: https://anonhg.NetBSD.org/src/rev/15bd4337e151
branches: trunk
changeset: 847504:15bd4337e151
user: thorpej <thorpej%NetBSD.org@localhost>
date: Wed Dec 25 01:19:56 2019 +0000
description:
Revert previous until issues can be sorted out.
diffstat:
sys/dev/i2c/ihidev.c | 156 ++++++++++++--------------------------------------
sys/dev/i2c/ihidev.h | 4 +-
2 files changed, 40 insertions(+), 120 deletions(-)
diffs (265 lines):
diff -r 3fa8cb01b468 -r 15bd4337e151 sys/dev/i2c/ihidev.c
--- a/sys/dev/i2c/ihidev.c Wed Dec 25 00:44:45 2019 +0000
+++ b/sys/dev/i2c/ihidev.c Wed Dec 25 01:19:56 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ihidev.c,v 1.10 2019/12/22 16:44:35 thorpej Exp $ */
+/* $NetBSD: ihidev.c,v 1.11 2019/12/25 01:19:56 thorpej Exp $ */
/* $OpenBSD ihidev.c,v 1.13 2017/04/08 02:57:23 deraadt Exp $ */
/*-
@@ -54,7 +54,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ihidev.c,v 1.10 2019/12/22 16:44:35 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ihidev.c,v 1.11 2019/12/25 01:19:56 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -71,7 +71,6 @@
# include "acpica.h"
#endif
#if NACPICA > 0
-#include <dev/acpi/acpivar.h>
#include <dev/acpi/acpi_intr.h>
#endif
@@ -110,14 +109,10 @@
CFATTACH_DECL_NEW(ihidev, sizeof(struct ihidev_softc),
ihidev_match, ihidev_attach, ihidev_detach, NULL);
-static bool ihiddev_intr_init(struct ihidev_softc *);
-static void ihiddev_intr_fini(struct ihidev_softc *);
-
static bool ihidev_suspend(device_t, const pmf_qual_t *);
static bool ihidev_resume(device_t, const pmf_qual_t *);
static int ihidev_hid_command(struct ihidev_softc *, int, void *, bool);
static int ihidev_intr(void *);
-static void ihidev_softintr(void *);
static int ihidev_reset(struct ihidev_softc *, bool);
static int ihidev_hid_desc_parse(struct ihidev_softc *);
@@ -205,9 +200,20 @@
repsz));
}
sc->sc_ibuf = kmem_zalloc(sc->sc_isize, KM_SLEEP);
- if (! ihiddev_intr_init(sc)) {
- return;
+#if NACPICA > 0
+ {
+ char buf[100];
+
+ sc->sc_ih = acpi_intr_establish(self, sc->sc_phandle, IPL_TTY,
+ false, ihidev_intr, sc, device_xname(self));
+ if (sc->sc_ih == NULL) {
+ aprint_error_dev(self, "can't establish interrupt\n");
+ return;
+ }
+ aprint_normal_dev(self, "interrupting at %s\n",
+ acpi_intr_string(sc->sc_ih, buf, sizeof(buf)));
}
+#endif
iha.iaa = ia;
iha.parent = sc;
@@ -254,7 +260,10 @@
struct ihidev_softc *sc = device_private(self);
mutex_enter(&sc->sc_intr_lock);
- ihiddev_intr_fini(sc);
+#if NACPICA > 0
+ if (sc->sc_ih != NULL)
+ acpi_intr_disestablish(sc->sc_ih);
+#endif
if (ihidev_hid_command(sc, I2C_HID_CMD_SET_POWER,
&I2C_HID_POWER_OFF, true))
aprint_error_dev(sc->sc_dev, "failed to power down\n");
@@ -640,110 +649,31 @@
return (0);
}
-static bool
-ihiddev_intr_init(struct ihidev_softc *sc)
-{
-#if NACPICA > 0
- ACPI_HANDLE hdl = (void *)(uintptr_t)sc->sc_phandle;
- struct acpi_resources res;
- ACPI_STATUS rv;
- char buf[100];
-
- rv = acpi_resource_parse(sc->sc_dev, hdl, "_CRS", &res,
- &acpi_resource_parse_ops_quiet);
- if (ACPI_FAILURE(rv)) {
- aprint_error_dev(sc->sc_dev, "can't parse '_CRS'\n");
- return false;
- }
-
- const struct acpi_irq * const irq = acpi_res_irq(&res, 0);
- if (irq == NULL) {
- aprint_error_dev(sc->sc_dev, "no IRQ resource\n");
- acpi_resource_cleanup(&res);
- return false;
- }
-
- sc->sc_intr_type =
- irq->ar_type == ACPI_EDGE_SENSITIVE ? IST_EDGE : IST_LEVEL;
-
- acpi_resource_cleanup(&res);
-
- sc->sc_ih = acpi_intr_establish(sc->sc_dev, sc->sc_phandle, IPL_TTY,
- false, ihidev_intr, sc, device_xname(sc->sc_dev));
- if (sc->sc_ih == NULL) {
- aprint_error_dev(sc->sc_dev, "can't establish interrupt\n");
- return false;
- }
- aprint_normal_dev(sc->sc_dev, "interrupting at %s\n",
- acpi_intr_string(sc->sc_ih, buf, sizeof(buf)));
-
- sc->sc_sih = softint_establish(SOFTINT_SERIAL, ihidev_softintr, sc);
- if (sc->sc_sih == NULL) {
- aprint_error_dev(sc->sc_dev,
- "can't establish soft interrupt\n");
- return false;
- }
-
- return true;
-#else
- aprint_error_dev(sc->sc_dev, "can't establish interrupt\n");
- return false;
-#endif
-}
-
-static void
-ihiddev_intr_fini(struct ihidev_softc *sc)
-{
-#if NACPICA > 0
- if (sc->sc_ih != NULL) {
- acpi_intr_disestablish(sc->sc_ih);
- }
- if (sc->sc_sih != NULL) {
- softint_disestablish(sc->sc_sih);
- }
-#endif
-}
-
static int
ihidev_intr(void *arg)
{
- struct ihidev_softc * const sc = arg;
-
- mutex_enter(&sc->sc_intr_lock);
-
- /*
- * Schedule our soft interrupt handler. If we're using a level-
- * triggered interrupt, we have to mask it off while we wait
- * for service.
- */
- softint_schedule(sc->sc_sih);
- if (sc->sc_intr_type == IST_LEVEL) {
-#if NACPICA > 0
- acpi_intr_mask(sc->sc_ih);
-#endif
- }
-
- mutex_exit(&sc->sc_intr_lock);
-
- return 1;
-}
-
-static void
-ihidev_softintr(void *arg)
-{
- struct ihidev_softc * const sc = arg;
+ struct ihidev_softc *sc = arg;
struct ihidev *scd;
u_int psize;
int res, i;
u_char *p;
u_int rep = 0;
- iic_acquire_bus(sc->sc_tag, 0);
+ /*
+ * XXX: force I2C_F_POLL for now to avoid dwiic interrupting
+ * while we are interrupting
+ */
+
+ mutex_enter(&sc->sc_intr_lock);
+ iic_acquire_bus(sc->sc_tag, I2C_F_POLL);
+
res = iic_exec(sc->sc_tag, I2C_OP_READ_WITH_STOP, sc->sc_addr, NULL, 0,
- sc->sc_ibuf, sc->sc_isize, 0);
- iic_release_bus(sc->sc_tag, 0);
+ sc->sc_ibuf, sc->sc_isize, I2C_F_POLL);
+
+ iic_release_bus(sc->sc_tag, I2C_F_POLL);
+ mutex_exit(&sc->sc_intr_lock);
if (res != 0)
- goto out;
+ return 1;
/*
* 6.1.1 - First two bytes are the packet length, which must be less
@@ -753,7 +683,7 @@
if (!psize || psize > sc->sc_isize) {
DPRINTF(("%s: %s: invalid packet size (%d vs. %d)\n",
sc->sc_dev.dv_xname, __func__, psize, sc->sc_isize));
- goto out;
+ return (1);
}
/* 3rd byte is the report id */
@@ -765,30 +695,22 @@
if (rep >= sc->sc_nrepid) {
aprint_error_dev(sc->sc_dev, "%s: bad report id %d\n",
__func__, rep);
- goto out;
+ return (1);
}
- DPRINTF(("%s: %s: hid input (rep %d):", sc->sc_dev.dv_xname,
- __func__, rep));
+ DPRINTF(("%s: ihidev_intr: hid input (rep %d):", sc->sc_dev.dv_xname,
+ rep));
for (i = 0; i < sc->sc_isize; i++)
DPRINTF((" %.2x", sc->sc_ibuf[i]));
DPRINTF(("\n"));
scd = sc->sc_subdevs[rep];
if (scd == NULL || !(scd->sc_state & IHIDEV_OPEN))
- goto out;
+ return (1);
scd->sc_intr(scd, p, psize);
- out:
- /*
- * If our interrupt is level-triggered, re-enable it now.
- */
- if (sc->sc_intr_type == IST_LEVEL) {
-#if NACPICA > 0
- acpi_intr_unmask(sc->sc_ih);
-#endif
- }
+ return 1;
}
static int
diff -r 3fa8cb01b468 -r 15bd4337e151 sys/dev/i2c/ihidev.h
--- a/sys/dev/i2c/ihidev.h Wed Dec 25 00:44:45 2019 +0000
+++ b/sys/dev/i2c/ihidev.h Wed Dec 25 01:19:56 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: ihidev.h,v 1.2 2019/12/22 16:44:35 thorpej Exp $ */
+/* $NetBSD: ihidev.h,v 1.3 2019/12/25 01:19:56 thorpej Exp $ */
/* $OpenBSD ihidev.h,v 1.4 2016/01/31 18:24:35 jcs Exp $ */
/*-
@@ -100,9 +100,7 @@
uint64_t sc_phandle;
void * sc_ih;
- void * sc_sih;
kmutex_t sc_intr_lock;
- int sc_intr_type;
u_int sc_hid_desc_addr;
union {
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