gpioregulator: Remove.

There is a bug in the #ifdef regarding FDT so this file hasn't been
compiled. If that bug is solved, the driver doesn't work for some other
reason.

With the FDT-bug the driver hasn't been used by anyone. So just remove
it again.

1 files changed, 0 insertions, 352 deletions

diff --git a/freebsd/sys/dev/gpio/gpioregulator.c b/freebsd/sys/dev/gpio/gpioregulator.c
deleted file mode 100644
index 8ca35bfe..00000000
--- a/freebsd/sys/dev/gpio/gpioregulator.c
+++ /dev/null
@@ -1,352 +0,0 @@
-#include <machine/rtems-bsd-kernel-space.h>
-
-/*-
- * Copyright (c) 2016 Jared McNeill <jmcneill@invisible.ca>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-/*
- * GPIO controlled regulators
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h>
-#include <sys/rman.h>
-#include <sys/kernel.h>
-#include <sys/module.h>
-#include <sys/gpio.h>
-
-#if !defined(__rtems__) || defined(FDT)
-#include <dev/ofw/ofw_bus.h>
-#include <dev/ofw/ofw_bus_subr.h>
-
-#include <dev/gpio/gpiobusvar.h>
-
-#include <dev/extres/regulator/regulator.h>
-
-#include <rtems/bsd/local/regdev_if.h>
-
-struct gpioregulator_state {
-	int			val;
-	uint32_t		mask;
-};
-
-struct gpioregulator_init_def {
-	struct regnode_init_def		reg_init_def;
-	struct gpiobus_pin		*enable_pin;
-	int				enable_pin_valid;
-	int				startup_delay_us;
-	int				nstates;
-	struct gpioregulator_state	*states;
-	int				npins;
-	struct gpiobus_pin		**pins;
-};
-
-struct gpioregulator_reg_sc {
-	struct regnode			*regnode;
-	device_t			base_dev;
-	struct regnode_std_param	*param;
-	struct gpioregulator_init_def	*def;
-};
-
-struct gpioregulator_softc {
-	device_t			dev;
-	struct gpioregulator_reg_sc	*reg_sc;
-	struct gpioregulator_init_def	init_def;
-};
-
-static int
-gpioregulator_regnode_init(struct regnode *regnode)
-{
-	struct gpioregulator_reg_sc *sc;
-	int error, n;
-
-	sc = regnode_get_softc(regnode);
-
-	if (sc->def->enable_pin_valid == 1) {
-		error = gpio_pin_setflags(sc->def->enable_pin, GPIO_PIN_OUTPUT);
-		if (error != 0)
-			return (error);
-	}
-
-	for (n = 0; n < sc->def->npins; n++) {
-		error = gpio_pin_setflags(sc->def->pins[n], GPIO_PIN_OUTPUT);
-		if (error != 0)
-			return (error);
-	}
-
-	return (0);
-}
-
-static int
-gpioregulator_regnode_enable(struct regnode *regnode, bool enable, int *udelay)
-{
-	struct gpioregulator_reg_sc *sc;
-	bool active;
-	int error;
-
-	sc = regnode_get_softc(regnode);
-
-	if (sc->def->enable_pin_valid == 1) {
-		active = enable;
-		if (!sc->param->enable_active_high)
-			active = !active;
-		error = gpio_pin_set_active(sc->def->enable_pin, active);
-		if (error != 0)
-			return (error);
-	}
-
-	*udelay = sc->def->startup_delay_us;
-
-	return (0);
-}
-
-static int
-gpioregulator_regnode_set_voltage(struct regnode *regnode, int min_uvolt,
-    int max_uvolt, int *udelay)
-{
-	struct gpioregulator_reg_sc *sc;
-	const struct gpioregulator_state *state;
-	int error, n;
-
-	sc = regnode_get_softc(regnode);
-	state = NULL;
-
-	for (n = 0; n < sc->def->nstates; n++) {
-		if (sc->def->states[n].val >= min_uvolt &&
-		    sc->def->states[n].val <= max_uvolt) {
-			state = &sc->def->states[n];
-			break;
-		}
-	}
-	if (state == NULL)
-		return (EINVAL);
-
-	for (n = 0; n < sc->def->npins; n++) {
-		error = gpio_pin_set_active(sc->def->pins[n],
-		    (state->mask >> n) & 1);
-		if (error != 0)
-			return (error);
-	}
-
-	*udelay = sc->def->startup_delay_us;
-
-	return (0);
-}
-
-static int
-gpioregulator_regnode_get_voltage(struct regnode *regnode, int *uvolt)
-{
-	struct gpioregulator_reg_sc *sc;
-	uint32_t mask;
-	int error, n;
-	bool active;
-
-	sc = regnode_get_softc(regnode);
-	mask = 0;
-
-	for (n = 0; n < sc->def->npins; n++) {
-		error = gpio_pin_is_active(sc->def->pins[n], &active);
-		if (error != 0)
-			return (error);
-		mask |= (active << n);
-	}
-
-	for (n = 0; n < sc->def->nstates; n++) {
-		if (sc->def->states[n].mask == mask) {
-			*uvolt = sc->def->states[n].val;
-			return (0);
-		}
-	}
-
-	return (EIO);
-}
-
-static regnode_method_t gpioregulator_regnode_methods[] = {
-	/* Regulator interface */
-	REGNODEMETHOD(regnode_init,	gpioregulator_regnode_init),
-	REGNODEMETHOD(regnode_enable,	gpioregulator_regnode_enable),
-	REGNODEMETHOD(regnode_set_voltage, gpioregulator_regnode_set_voltage),
-	REGNODEMETHOD(regnode_get_voltage, gpioregulator_regnode_get_voltage),
-	REGNODEMETHOD_END
-};
-DEFINE_CLASS_1(gpioregulator_regnode, gpioregulator_regnode_class,
-    gpioregulator_regnode_methods, sizeof(struct gpioregulator_reg_sc),
-    regnode_class);
-
-static int
-gpioregulator_parse_fdt(struct gpioregulator_softc *sc)
-{
-	uint32_t *pstates, mask;
-	phandle_t node;
-	ssize_t len;
-	int error, n;
-
-	node = ofw_bus_get_node(sc->dev);
-	pstates = NULL;
-	mask = 0;
-
-	error = regulator_parse_ofw_stdparam(sc->dev, node,
-	    &sc->init_def.reg_init_def);
-	if (error != 0)
-		return (error);
-
-	/* "states" property (required) */
-	len = OF_getencprop_alloc_multi(node, "states", sizeof(*pstates),
-	    (void **)&pstates);
-	if (len < 2) {
-		device_printf(sc->dev, "invalid 'states' property\n");
-		error = EINVAL;
-		goto done;
-	}
-	sc->init_def.nstates = len / 2;
-	sc->init_def.states = malloc(sc->init_def.nstates *
-	    sizeof(*sc->init_def.states), M_DEVBUF, M_WAITOK);
-	for (n = 0; n < sc->init_def.nstates; n++) {
-		sc->init_def.states[n].val = pstates[n * 2 + 0];
-		sc->init_def.states[n].mask = pstates[n * 2 + 1];
-		mask |= sc->init_def.states[n].mask;
-	}
-
-	/* "startup-delay-us" property (optional) */
-	len = OF_getencprop(node, "startup-delay-us",
-	    &sc->init_def.startup_delay_us,
-	    sizeof(sc->init_def.startup_delay_us));
-	if (len <= 0)
-		sc->init_def.startup_delay_us = 0;
-
-	/* "enable-gpio" property (optional) */
-	error = gpio_pin_get_by_ofw_property(sc->dev, node, "enable-gpio",
-	    &sc->init_def.enable_pin);
-	if (error == 0)
-		sc->init_def.enable_pin_valid = 1;
-
-	/* "gpios" property */
-	sc->init_def.npins = 32 - __builtin_clz(mask);
-	sc->init_def.pins = malloc(sc->init_def.npins *
-	    sizeof(sc->init_def.pins), M_DEVBUF, M_WAITOK | M_ZERO);
-	for (n = 0; n < sc->init_def.npins; n++) {
-		error = gpio_pin_get_by_ofw_idx(sc->dev, node, n,
-		    &sc->init_def.pins[n]);
-		if (error != 0) {
-			device_printf(sc->dev, "cannot get pin %d\n", n);
-			goto done;
-		}
-	}
-
-done:
-	if (error != 0) {
-		for (n = 0; n < sc->init_def.npins; n++) {
-			if (sc->init_def.pins[n] != NULL)
-				gpio_pin_release(sc->init_def.pins[n]);
-		}
-
-		free(sc->init_def.states, M_DEVBUF);
-		free(sc->init_def.pins, M_DEVBUF);
-
-	}
-	OF_prop_free(pstates);
-
-	return (error);
-}
-
-static int
-gpioregulator_probe(device_t dev)
-{
-
-	if (!ofw_bus_is_compatible(dev, "regulator-gpio"))
-		return (ENXIO);
-
-	device_set_desc(dev, "GPIO controlled regulator");
-	return (BUS_PROBE_GENERIC);
-}
-
-static int
-gpioregulator_attach(device_t dev)
-{
-	struct gpioregulator_softc *sc;
-	struct regnode *regnode;
-	phandle_t node;
-	int error;
-
-	sc = device_get_softc(dev);
-	sc->dev = dev;
-	node = ofw_bus_get_node(dev);
-
-	error = gpioregulator_parse_fdt(sc);
-	if (error != 0) {
-		device_printf(dev, "cannot parse parameters\n");
-		return (ENXIO);
-	}
-	sc->init_def.reg_init_def.id = 1;
-	sc->init_def.reg_init_def.ofw_node = node;
-
-	regnode = regnode_create(dev, &gpioregulator_regnode_class,
-	    &sc->init_def.reg_init_def);
-	if (regnode == NULL) {
-		device_printf(dev, "cannot create regulator\n");
-		return (ENXIO);
-	}
-
-	sc->reg_sc = regnode_get_softc(regnode);
-	sc->reg_sc->regnode = regnode;
-	sc->reg_sc->base_dev = dev;
-	sc->reg_sc->param = regnode_get_stdparam(regnode);
-	sc->reg_sc->def = &sc->init_def;
-
-	regnode_register(regnode);
-
-	return (0);
-}
-
-
-static device_method_t gpioregulator_methods[] = {
-	/* Device interface */
-	DEVMETHOD(device_probe,		gpioregulator_probe),
-	DEVMETHOD(device_attach,	gpioregulator_attach),
-
-	/* Regdev interface */
-	DEVMETHOD(regdev_map,		regdev_default_ofw_map),
-
-	DEVMETHOD_END
-};
-
-static driver_t gpioregulator_driver = {
-	"gpioregulator",
-	gpioregulator_methods,
-	sizeof(struct gpioregulator_softc),
-};
-
-static devclass_t gpioregulator_devclass;
-
-EARLY_DRIVER_MODULE(gpioregulator, simplebus, gpioregulator_driver,
-    gpioregulator_devclass, 0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);
-MODULE_VERSION(gpioregulator, 1);
-#endif /* !__rtems__ || FDT */