1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* Copyright 2014 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "compile_time_macros.h"
#include "gpio.h"
#include "gpio_signal.h"
#ifdef CONFIG_COMMON_GPIO_SHORTNAMES
#define GPIO(name, pin, flags) {GPIO_NAME_BY_##pin, GPIO_##pin, flags},
#else
#define GPIO(name, pin, flags) {#name, GPIO_##pin, flags},
#endif
#define UNIMPLEMENTED(name) {#name, DUMMY_GPIO_BANK, 0, GPIO_DEFAULT},
#define GPIO_INT(name, pin, flags, signal) GPIO(name, pin, flags)
/* GPIO signal list. */
const struct gpio_info gpio_list[] = {
#include "gpio.wrap"
};
BUILD_ASSERT(ARRAY_SIZE(gpio_list) == GPIO_COUNT);
/* GPIO Interrupt Handlers */
#define GPIO_INT(name, pin, flags, signal) signal,
void (* const gpio_irq_handlers[])(enum gpio_signal signal) = {
#include "gpio.wrap"
};
const int gpio_ih_count = ARRAY_SIZE(gpio_irq_handlers);
/*
* ALL GPIOs with interrupt handlers must be declared at the top of the gpio.inc
* file.
*/
#define GPIO_INT(name, pin, flags, signal) \
BUILD_ASSERT(GPIO_##name < ARRAY_SIZE(gpio_irq_handlers));
#include "gpio.wrap"
/*
* All PIN(...) assignments must be unique, since otherwise you're just
* creating duplicate names for the same thing, and may not always be
* initializing them the way you think.
*/
#define GPIO(name, pin, flags) pin
#define GPIO_INT(name, pin, flags, signal) pin
/*
* The compiler will complain if we use the same name twice. The linker ignores
* anything that gets by.
*/
#define PIN(a, b...) static const int _pin_ ## a ## _ ## b \
__attribute__((unused, section(".unused"))) = __LINE__;
#include "gpio.wrap"
#include "ioexpander.h"
/*
* Define the IO expander IO in gpio.inc by the format:
* IOEX(name, EXPIN(ioex_port, port, offset), flags)
* - name: the name of this IO pin
* - EXPIN(ioex, port, offset)
* - ioex: the IO expander port (defined in board.c) this IO
* pin belongs to.
* - port: the port number in the IO expander chip.
* - offset: the bit offset in the port above.
* - flags: the same as the flags of GPIO.
*
*/
#define IOEX_EXPIN(ioex, port, index) (ioex), (port), BIT(index)
#define IOEX(name, expin, flags) {#name, IOEX_##expin, flags},
/* IO expander signal list. */
const struct ioex_info ioex_list[] = {
#include "gpio.wrap"
};
BUILD_ASSERT(ARRAY_SIZE(ioex_list) == IOEX_COUNT);
#define IOEX(name, expin, flags) expin
/* The compiler will complain if we use the same name twice or the controller
* number declared is greater or equal to CONFIG_IO_EXPANDER_PORT_COUNT.
* The linker ignores anything that gets by.
*/
#define EXPIN(a, b, c...) \
static const int _expin_ ## a ## _ ## b ## _ ## c \
__attribute__((unused, section(".unused"))) = __LINE__; \
BUILD_ASSERT(a < CONFIG_IO_EXPANDER_PORT_COUNT);
#include "gpio.wrap"
|
