1 /*-
2 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
3 * Copyright (c) 2009, Luiz Otavio O Souza.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice unmodified, this list of conditions, and the following
11 * disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD$
29 *
30 */
31
32 #ifndef __AR5315_GPIOVAR_H__
33 #define __AR5315_GPIOVAR_H__
34
35 #include <sys/timepps.h>
36
37 #define GPIO_LOCK(_sc) mtx_lock(&(_sc)->gpio_mtx)
38 #define GPIO_UNLOCK(_sc) mtx_unlock(&(_sc)->gpio_mtx)
39 #define GPIO_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->gpio_mtx, MA_OWNED)
40
41 /*
42 * register space access macros
43 */
44 #define GPIO_WRITE(sc, reg, val) do { \
45 bus_write_4(sc->gpio_mem_res, (reg), (val)); \
46 } while (0)
47
48 #define GPIO_READ(sc, reg) bus_read_4(sc->gpio_mem_res, (reg))
49
50 #define GPIO_SET_BITS(sc, reg, bits) \
51 GPIO_WRITE(sc, reg, GPIO_READ(sc, (reg)) | (bits))
52
53 #define GPIO_CLEAR_BITS(sc, reg, bits) \
54 GPIO_WRITE(sc, reg, GPIO_READ(sc, (reg)) & ~(bits))
55
56 #define AR5315_GPIO_PINS 23
57 #define AR5312_GPIO_PINS 8
58
59 struct ar5315_gpio_softc {
60 device_t dev;
61 device_t busdev;
62 struct mtx gpio_mtx;
63 struct resource *gpio_mem_res;
64 int gpio_mem_rid;
65 struct resource *gpio_irq_res;
66 int gpio_irq_rid;
67 void *gpio_ih;
68 int gpio_npins;
69 struct gpio_pin *gpio_pins;
70 int gpio_ppspin;
71 struct pps_state gpio_pps;
72 uint32_t gpio_ppsenable;
73 };
74
75 #endif /* __AR5315_GPIOVAR_H__ */
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