1/*-
2 * Copyright (c) 2008 Sam Leffler. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2008 Sam Leffler. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#include <sys/cdefs.h>
|
26__FBSDID("$FreeBSD: head/sys/arm/xscale/ixp425/cambria_fled.c 204198 2010-02-22 14:49:52Z rpaulo $");
| 26__FBSDID("$FreeBSD: head/sys/arm/xscale/ixp425/cambria_fled.c 205705 2010-03-26 18:49:43Z rpaulo $");
|
27/*
28 * Cambria Front Panel LED sitting on the I2C bus.
29 */
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/bus.h>
35
36#include <machine/bus.h>
37
38#include <dev/iicbus/iiconf.h>
39#include <dev/led/led.h>
40
41#include "iicbus_if.h"
42
43#define IIC_M_WR 0 /* write operation */
44#define LED_ADDR 0xae /* slave address */
45
46struct fled_softc {
47 struct cdev *sc_led;
48};
49
50static int
51fled_probe(device_t dev)
52{
53 device_set_desc(dev, "Gateworks Cambria Front Panel LED");
54 return 0;
55}
56
57static void
58fled_cb(void *arg, int onoff)
59{
60 uint8_t data[1];
61 struct iic_msg msgs[1] = {
62 { LED_ADDR, IIC_M_WR, 1, data },
63 };
64 device_t dev = arg;
65
66 data[0] = (onoff == 0); /* NB: low true */
67 (void) iicbus_transfer(dev, msgs, 1);
68}
69
70static int
71fled_attach(device_t dev)
72{
73 struct fled_softc *sc = device_get_softc(dev);
74
75 sc->sc_led = led_create(fled_cb, dev, "front");
76
| 27/*
28 * Cambria Front Panel LED sitting on the I2C bus.
29 */
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/bus.h>
35
36#include <machine/bus.h>
37
38#include <dev/iicbus/iiconf.h>
39#include <dev/led/led.h>
40
41#include "iicbus_if.h"
42
43#define IIC_M_WR 0 /* write operation */
44#define LED_ADDR 0xae /* slave address */
45
46struct fled_softc {
47 struct cdev *sc_led;
48};
49
50static int
51fled_probe(device_t dev)
52{
53 device_set_desc(dev, "Gateworks Cambria Front Panel LED");
54 return 0;
55}
56
57static void
58fled_cb(void *arg, int onoff)
59{
60 uint8_t data[1];
61 struct iic_msg msgs[1] = {
62 { LED_ADDR, IIC_M_WR, 1, data },
63 };
64 device_t dev = arg;
65
66 data[0] = (onoff == 0); /* NB: low true */
67 (void) iicbus_transfer(dev, msgs, 1);
68}
69
70static int
71fled_attach(device_t dev)
72{
73 struct fled_softc *sc = device_get_softc(dev);
74
75 sc->sc_led = led_create(fled_cb, dev, "front");
76
|
77 fled_cb(sc, 1); /* Turn on LED */
| 77 fled_cb(dev, 1); /* Turn on LED */
|
78
79 return 0;
80}
81
82static int
83fled_detach(device_t dev)
84{
85 struct fled_softc *sc = device_get_softc(dev);
86
87 if (sc->sc_led != NULL)
88 led_destroy(sc->sc_led);
89
90 return 0;
91}
92
93static device_method_t fled_methods[] = {
94 DEVMETHOD(device_probe, fled_probe),
95 DEVMETHOD(device_attach, fled_attach),
96 DEVMETHOD(device_detach, fled_detach),
97
98 {0, 0},
99};
100
101static driver_t fled_driver = {
102 "fled",
103 fled_methods,
104 sizeof(struct fled_softc),
105};
106static devclass_t fled_devclass;
107
108DRIVER_MODULE(fled, iicbus, fled_driver, fled_devclass, 0, 0);
109MODULE_VERSION(fled, 1);
110MODULE_DEPEND(fled, iicbus, 1, 1, 1);
| 78
79 return 0;
80}
81
82static int
83fled_detach(device_t dev)
84{
85 struct fled_softc *sc = device_get_softc(dev);
86
87 if (sc->sc_led != NULL)
88 led_destroy(sc->sc_led);
89
90 return 0;
91}
92
93static device_method_t fled_methods[] = {
94 DEVMETHOD(device_probe, fled_probe),
95 DEVMETHOD(device_attach, fled_attach),
96 DEVMETHOD(device_detach, fled_detach),
97
98 {0, 0},
99};
100
101static driver_t fled_driver = {
102 "fled",
103 fled_methods,
104 sizeof(struct fled_softc),
105};
106static devclass_t fled_devclass;
107
108DRIVER_MODULE(fled, iicbus, fled_driver, fled_devclass, 0, 0);
109MODULE_VERSION(fled, 1);
110MODULE_DEPEND(fled, iicbus, 1, 1, 1);
|