Module Name: src
Committed By: jmcneill
Date: Mon Dec 9 22:10:25 UTC 2024
Modified Files:
src/sys/dev/acpi: acpi_gpio.c acpi_gpio.h acpivar.h qcomgpio.c
qcomgpioreg.h
Log Message:
acpi: gpio: Pass the full ACPI_RESOURCE_GPIO to the translate callback.
To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/dev/acpi/acpi_gpio.c \
src/sys/dev/acpi/acpi_gpio.h src/sys/dev/acpi/qcomgpio.c \
src/sys/dev/acpi/qcomgpioreg.h
cvs rdiff -u -r1.91 -r1.92 src/sys/dev/acpi/acpivar.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/acpi/acpi_gpio.c
diff -u src/sys/dev/acpi/acpi_gpio.c:1.1 src/sys/dev/acpi/acpi_gpio.c:1.2
--- src/sys/dev/acpi/acpi_gpio.c:1.1 Sun Dec 8 20:49:14 2024
+++ src/sys/dev/acpi/acpi_gpio.c Mon Dec 9 22:10:25 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_gpio.c,v 1.1 2024/12/08 20:49:14 jmcneill Exp $ */
+/* $NetBSD: acpi_gpio.c,v 1.2 2024/12/09 22:10:25 jmcneill Exp $ */
/*-
* Copyright (c) 2024 The NetBSD Foundation, Inc.
@@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_gpio.c,v 1.1 2024/12/08 20:49:14 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_gpio.c,v 1.2 2024/12/09 22:10:25 jmcneill Exp $");
#include <sys/param.h>
#include <sys/gpio.h>
@@ -45,7 +45,7 @@ __KERNEL_RCSID(0, "$NetBSD: acpi_gpio.c,
int
acpi_gpio_register(struct acpi_devnode *ad, device_t dev,
- int (*translate)(void *, ACPI_INTEGER, void **), void *priv)
+ int (*translate)(void *, ACPI_RESOURCE_GPIO *, void **), void *priv)
{
if (ad->ad_gpiodev != NULL) {
device_printf(dev, "%s already registered\n",
@@ -95,7 +95,7 @@ acpi_gpio_translate(ACPI_RESOURCE_GPIO *
}
xpin = gpioad->ad_gpio_translate(gpioad->ad_gpio_priv,
- res->PinTable[0], gpiop);
+ res, gpiop);
if (xpin == -1) {
/* Pin could not be translated. */
return AE_NOT_IMPLEMENTED;
@@ -148,15 +148,15 @@ acpi_gpio_get_int(ACPI_HANDLE hdl, u_int
if (ACPI_FAILURE(rv)) {
return rv;
}
+ gpio = ctx.res;
- rv = acpi_gpio_translate(ctx.res, gpiop, pin);
+ rv = acpi_gpio_translate(gpio, gpiop, pin);
if (ACPI_FAILURE(rv)) {
printf("%s: translate failed: %s\n", __func__,
AcpiFormatException(rv));
return rv;
}
- gpio = ctx.res;
if (gpio->Triggering == ACPI_LEVEL_SENSITIVE) {
*irqmode = gpio->Polarity == ACPI_ACTIVE_HIGH ?
GPIO_INTR_HIGH_LEVEL : GPIO_INTR_LOW_LEVEL;
@@ -176,7 +176,7 @@ acpi_gpio_get_int(ACPI_HANDLE hdl, u_int
}
ACPI_STATUS
-acpi_gpio_get_io(ACPI_HANDLE hdl, u_int index, void **gpio, int *pin)
+acpi_gpio_get_io(ACPI_HANDLE hdl, u_int index, void **gpiop, int *pin)
{
struct acpi_gpio_resource_context ctx = {
.index = index,
@@ -189,5 +189,5 @@ acpi_gpio_get_io(ACPI_HANDLE hdl, u_int
return rv;
}
- return acpi_gpio_translate(ctx.res, gpio, pin);
+ return acpi_gpio_translate(ctx.res, gpiop, pin);
}
Index: src/sys/dev/acpi/acpi_gpio.h
diff -u src/sys/dev/acpi/acpi_gpio.h:1.1 src/sys/dev/acpi/acpi_gpio.h:1.2
--- src/sys/dev/acpi/acpi_gpio.h:1.1 Sun Dec 8 20:49:14 2024
+++ src/sys/dev/acpi/acpi_gpio.h Mon Dec 9 22:10:25 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_gpio.h,v 1.1 2024/12/08 20:49:14 jmcneill Exp $ */
+/* $NetBSD: acpi_gpio.h,v 1.2 2024/12/09 22:10:25 jmcneill Exp $ */
/*-
* Copyright (c) 2024 The NetBSD Foundation, Inc.
@@ -33,7 +33,7 @@
#define _DEV_ACPI_ACPI_GPIO_H
int acpi_gpio_register(struct acpi_devnode *, device_t,
- int (*)(void *, ACPI_INTEGER, void **), void *);
+ int (*)(void *, ACPI_RESOURCE_GPIO *, void **), void *);
ACPI_STATUS acpi_gpio_get_int(ACPI_HANDLE, u_int, void **, int *, int *);
ACPI_STATUS acpi_gpio_get_io(ACPI_HANDLE, u_int, void **, int *);
Index: src/sys/dev/acpi/qcomgpio.c
diff -u src/sys/dev/acpi/qcomgpio.c:1.1 src/sys/dev/acpi/qcomgpio.c:1.2
--- src/sys/dev/acpi/qcomgpio.c:1.1 Sun Dec 8 20:49:14 2024
+++ src/sys/dev/acpi/qcomgpio.c Mon Dec 9 22:10:25 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: qcomgpio.c,v 1.1 2024/12/08 20:49:14 jmcneill Exp $ */
+/* $NetBSD: qcomgpio.c,v 1.2 2024/12/09 22:10:25 jmcneill Exp $ */
/*-
* Copyright (c) 2024 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: qcomgpio.c,v 1.1 2024/12/08 20:49:14 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: qcomgpio.c,v 1.2 2024/12/09 22:10:25 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -56,13 +56,14 @@ typedef enum {
struct qcomgpio_config {
u_int num_pins;
- int (*translate)(ACPI_INTEGER);
+ int (*translate)(ACPI_RESOURCE_GPIO *);
};
struct qcomgpio_intr_handler {
int (*ih_func)(void *);
void *ih_arg;
int ih_pin;
+ int ih_type;
LIST_ENTRY(qcomgpio_intr_handler) ih_list;
};
@@ -96,7 +97,7 @@ static bool qcomgpio_intr_str(void *, in
static void qcomgpio_intr_mask(void *, void *);
static void qcomgpio_intr_unmask(void *, void *);
-static int qcomgpio_acpi_translate(void *, ACPI_INTEGER, void **);
+static int qcomgpio_acpi_translate(void *, ACPI_RESOURCE_GPIO *, void **);
static void qcomgpio_register_event(void *, struct acpi_event *,
ACPI_RESOURCE_GPIO *);
static int qcomgpio_intr(void *);
@@ -104,12 +105,18 @@ static int qcomgpio_intr(void *);
CFATTACH_DECL_NEW(qcomgpio, sizeof(struct qcomgpio_softc),
qcomgpio_match, qcomgpio_attach, NULL, NULL);
+#define X1E_NUM_PINS 239
+
static int
-qcomgpio_x1e_translate(ACPI_INTEGER val)
+qcomgpio_x1e_translate(ACPI_RESOURCE_GPIO *gpio)
{
- switch (val) {
- case 0x33:
- return 51;
+ const ACPI_INTEGER pin = gpio->PinTable[0];
+
+ if (pin < X1E_NUM_PINS) {
+ return gpio->PinTable[0];
+ }
+
+ switch (pin) {
case 0x180:
return 67;
case 0x380:
@@ -120,7 +127,7 @@ qcomgpio_x1e_translate(ACPI_INTEGER val)
}
static struct qcomgpio_config qcomgpio_x1e_config = {
- .num_pins = 239,
+ .num_pins = X1E_NUM_PINS,
.translate = qcomgpio_x1e_translate,
};
@@ -186,12 +193,35 @@ qcomgpio_attach(device_t parent, device_
sc->sc_pins = kmem_zalloc(sizeof(*sc->sc_pins) *
sc->sc_config->num_pins, KM_SLEEP);
for (pin = 0; pin < sc->sc_config->num_pins; pin++) {
+#if notyet
+ uint32_t ctl, func;
+
+ aprint_debuf_dev(self, "pin %u: ", pin);
+ ctl = RD4(sc, TLMM_GPIO_CTL(pin));
+ func = __SHIFTOUT(ctl, TLMM_GPIO_CTL_MUX);
+
+ sc->sc_pins[pin].pin_caps = 0;
+ if (func == TLMM_GPIO_CTL_MUX_GPIO) {
+ if ((ctl & TLMM_GPIO_CTL_OE) != 0) {
+ sc->sc_pins[pin].pin_caps |= GPIO_PIN_OUTPUT;
+ aprint_debug("gpio output\n");
+ } else {
+ sc->sc_pins[pin].pin_caps |= GPIO_PIN_INPUT;
+ aprint_debug("gpio input\n");
+ }
+ } else {
+ aprint_debug("func %#x\n", func);
+ }
+#else
+ sc->sc_pins[pin].pin_caps =
+ GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
+#endif
sc->sc_pins[pin].pin_num = pin;
- sc->sc_pins[pin].pin_caps = GPIO_PIN_INPUT | GPIO_PIN_OUTPUT;
sc->sc_pins[pin].pin_intrcaps =
GPIO_INTR_POS_EDGE | GPIO_INTR_NEG_EDGE |
GPIO_INTR_DOUBLE_EDGE | GPIO_INTR_HIGH_LEVEL |
GPIO_INTR_LOW_LEVEL | GPIO_INTR_MPSAFE;
+
/* It's not safe to read all pins, so leave pin state unknown */
sc->sc_pins[pin].pin_state = 0;
}
@@ -238,12 +268,13 @@ done:
}
static int
-qcomgpio_acpi_translate(void *priv, ACPI_INTEGER pin, void **gpiop)
+qcomgpio_acpi_translate(void *priv, ACPI_RESOURCE_GPIO *gpio, void **gpiop)
{
struct qcomgpio_softc * const sc = priv;
+ const ACPI_INTEGER pin = gpio->PinTable[0];
int xpin;
- xpin = sc->sc_config->translate(pin);
+ xpin = sc->sc_config->translate(gpio);
aprint_debug_dev(sc->sc_dev, "translate %#lx -> %u\n", pin, xpin);
@@ -278,7 +309,7 @@ qcomgpio_register_event(void *priv, stru
int irqmode;
void *ih;
- const int pin = qcomgpio_acpi_translate(sc, gpio->PinTable[0], NULL);
+ const int pin = qcomgpio_acpi_translate(sc, gpio, NULL);
if (pin < 0) {
aprint_error_dev(sc->sc_dev,
@@ -308,6 +339,10 @@ qcomgpio_register_event(void *priv, stru
aprint_error_dev(sc->sc_dev,
"couldn't register event for pin %#x\n",
gpio->PinTable[0]);
+ return;
+ }
+ if (gpio->Triggering == ACPI_LEVEL_SENSITIVE) {
+ acpi_event_set_intrcookie(ev, ih);
}
}
@@ -320,6 +355,9 @@ qcomgpio_pin_read(void *priv, int pin)
if (pin < 0 || pin >= sc->sc_config->num_pins) {
return 0;
}
+ if ((sc->sc_pins[pin].pin_caps & GPIO_PIN_INPUT) == 0) {
+ return 0;
+ }
val = RD4(sc, TLMM_GPIO_IN_OUT(pin));
return (val & TLMM_GPIO_IN_OUT_GPIO_IN) != 0;
@@ -334,6 +372,9 @@ qcomgpio_pin_write(void *priv, int pin,
if (pin < 0 || pin >= sc->sc_config->num_pins) {
return;
}
+ if ((sc->sc_pins[pin].pin_caps & GPIO_PIN_OUTPUT) == 0) {
+ return;
+ }
val = RD4(sc, TLMM_GPIO_IN_OUT(pin));
if (pinval) {
@@ -372,6 +413,8 @@ qcomgpio_intr_establish(void *priv, int
qih->ih_func = func;
qih->ih_arg = arg;
qih->ih_pin = pin;
+ qih->ih_type = (irqmode & GPIO_INTR_LEVEL_MASK) != 0 ?
+ IST_LEVEL : IST_EDGE;
mutex_enter(&sc->sc_lock);
@@ -462,6 +505,9 @@ qcomgpio_intr_mask(void *priv, void *ih)
uint32_t val;
val = RD4(sc, TLMM_GPIO_INTR_CFG(qih->ih_pin));
+ if (qih->ih_type == IST_LEVEL) {
+ val &= ~TLMM_GPIO_INTR_CFG_INTR_RAW_STATUS_EN;
+ }
val &= ~TLMM_GPIO_INTR_CFG_INTR_ENABLE;
WR4(sc, TLMM_GPIO_INTR_CFG(qih->ih_pin), val);
}
@@ -474,6 +520,9 @@ qcomgpio_intr_unmask(void *priv, void *i
uint32_t val;
val = RD4(sc, TLMM_GPIO_INTR_CFG(qih->ih_pin));
+ if (qih->ih_type == IST_LEVEL) {
+ val |= TLMM_GPIO_INTR_CFG_INTR_RAW_STATUS_EN;
+ }
val |= TLMM_GPIO_INTR_CFG_INTR_ENABLE;
WR4(sc, TLMM_GPIO_INTR_CFG(qih->ih_pin), val);
}
Index: src/sys/dev/acpi/qcomgpioreg.h
diff -u src/sys/dev/acpi/qcomgpioreg.h:1.1 src/sys/dev/acpi/qcomgpioreg.h:1.2
--- src/sys/dev/acpi/qcomgpioreg.h:1.1 Sun Dec 8 20:49:14 2024
+++ src/sys/dev/acpi/qcomgpioreg.h Mon Dec 9 22:10:25 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: qcomgpioreg.h,v 1.1 2024/12/08 20:49:14 jmcneill Exp $ */
+/* $NetBSD: qcomgpioreg.h,v 1.2 2024/12/09 22:10:25 jmcneill Exp $ */
/*
* Copyright (c) 2022 Mark Kettenis <[email protected]>
*
@@ -20,6 +20,11 @@
#define _TLMM_GPIO_PIN_OFFSET(pin, reg) ((pin) * 0x1000 + (reg))
+#define TLMM_GPIO_CTL(pin) _TLMM_GPIO_PIN_OFFSET(pin, 0x0)
+#define TLMM_GPIO_CTL_OE __BIT(9)
+#define TLMM_GPIO_CTL_MUX __BITS(5,2)
+#define TLMM_GPIO_CTL_MUX_GPIO 0
+
#define TLMM_GPIO_IN_OUT(pin) _TLMM_GPIO_PIN_OFFSET(pin, 0x4)
#define TLMM_GPIO_IN_OUT_GPIO_IN __BIT(0)
#define TLMM_GPIO_IN_OUT_GPIO_OUT __BIT(1)
Index: src/sys/dev/acpi/acpivar.h
diff -u src/sys/dev/acpi/acpivar.h:1.91 src/sys/dev/acpi/acpivar.h:1.92
--- src/sys/dev/acpi/acpivar.h:1.91 Sun Dec 8 20:49:14 2024
+++ src/sys/dev/acpi/acpivar.h Mon Dec 9 22:10:25 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: acpivar.h,v 1.91 2024/12/08 20:49:14 jmcneill Exp $ */
+/* $NetBSD: acpivar.h,v 1.92 2024/12/09 22:10:25 jmcneill Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@@ -136,7 +136,7 @@ struct acpi_devnode {
bus_dma_tag_t ad_dmat64; /* Bus DMA tag for device (64-bit) */
device_t ad_gpiodev; /* GPIO controller device */
- int (*ad_gpio_translate)(void *, ACPI_INTEGER, void **);
+ int (*ad_gpio_translate)(void *, ACPI_RESOURCE_GPIO *, void **);
void *ad_gpio_priv; /* private data for translate */
SIMPLEQ_ENTRY(acpi_devnode) ad_list;
