1/*-
2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
| 1/*-
2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
|
36#include <sys/lock.h>
37#include <sys/mutex.h>
38
39#ifdef FDT
40#include <dev/ofw/ofw_bus_subr.h>
41#endif
42
43#define GPIOBUS_IVAR(d) (struct gpiobus_ivar *) device_get_ivars(d)
44#define GPIOBUS_SOFTC(d) (struct gpiobus_softc *) device_get_softc(d)
45#define GPIOBUS_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
46#define GPIOBUS_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
47#define GPIOBUS_LOCK_INIT(_sc) mtx_init(&_sc->sc_mtx, \
48 device_get_nameunit(_sc->sc_dev), "gpiobus", MTX_DEF)
49#define GPIOBUS_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx)
50#define GPIOBUS_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED)
51#define GPIOBUS_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED)
52
53struct gpiobus_softc
54{
55 struct mtx sc_mtx; /* bus mutex */
56 device_t sc_busdev; /* bus device */
57 device_t sc_owner; /* bus owner */
58 device_t sc_dev; /* driver device */
59 int sc_npins; /* total pins on bus */
60 int *sc_pins_mapped; /* mark mapped pins */
61};
62
63struct gpiobus_ivar
64{
65 uint32_t npins; /* pins total */
66 uint32_t *flags; /* pins flags */
67 uint32_t *pins; /* pins map */
68};
69
70#ifdef FDT
71struct ofw_gpiobus_devinfo {
72 struct gpiobus_ivar opd_dinfo;
73 struct ofw_bus_devinfo opd_obdinfo;
74};
75
76device_t ofw_gpiobus_add_fdt_child(device_t, phandle_t);
77#endif
78void gpiobus_print_pins(struct gpiobus_ivar *);
79
80extern driver_t gpiobus_driver;
81
82#endif /* __GPIOBUS_H__ */
| 35#include <sys/lock.h>
36#include <sys/mutex.h>
37
38#ifdef FDT
39#include <dev/ofw/ofw_bus_subr.h>
40#endif
41
42#define GPIOBUS_IVAR(d) (struct gpiobus_ivar *) device_get_ivars(d)
43#define GPIOBUS_SOFTC(d) (struct gpiobus_softc *) device_get_softc(d)
44#define GPIOBUS_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
45#define GPIOBUS_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
46#define GPIOBUS_LOCK_INIT(_sc) mtx_init(&_sc->sc_mtx, \
47 device_get_nameunit(_sc->sc_dev), "gpiobus", MTX_DEF)
48#define GPIOBUS_LOCK_DESTROY(_sc) mtx_destroy(&_sc->sc_mtx)
49#define GPIOBUS_ASSERT_LOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_OWNED)
50#define GPIOBUS_ASSERT_UNLOCKED(_sc) mtx_assert(&_sc->sc_mtx, MA_NOTOWNED)
51
52struct gpiobus_softc
53{
54 struct mtx sc_mtx; /* bus mutex */
55 device_t sc_busdev; /* bus device */
56 device_t sc_owner; /* bus owner */
57 device_t sc_dev; /* driver device */
58 int sc_npins; /* total pins on bus */
59 int *sc_pins_mapped; /* mark mapped pins */
60};
61
62struct gpiobus_ivar
63{
64 uint32_t npins; /* pins total */
65 uint32_t *flags; /* pins flags */
66 uint32_t *pins; /* pins map */
67};
68
69#ifdef FDT
70struct ofw_gpiobus_devinfo {
71 struct gpiobus_ivar opd_dinfo;
72 struct ofw_bus_devinfo opd_obdinfo;
73};
74
75device_t ofw_gpiobus_add_fdt_child(device_t, phandle_t);
76#endif
77void gpiobus_print_pins(struct gpiobus_ivar *);
78
79extern driver_t gpiobus_driver;
80
81#endif /* __GPIOBUS_H__ */
|