diff options
Diffstat (limited to 'chip/host/gpio.c')
-rw-r--r-- | chip/host/gpio.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/chip/host/gpio.c b/chip/host/gpio.c deleted file mode 100644 index 3c15205ad5..0000000000 --- a/chip/host/gpio.c +++ /dev/null @@ -1,98 +0,0 @@ -/* Copyright 2013 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. - */ - -/* GPIO module for emulator */ - -#include "console.h" - -#include "common.h" -#include "console.h" -#include "gpio.h" -#include "timer.h" -#include "util.h" - -static int gpio_values[GPIO_COUNT]; -static int gpio_interrupt_enabled[GPIO_COUNT]; - -/* Create a dictionary of names for debug console print */ -#define GPIO_INT(name, pin, flags, signal) #name, -#define GPIO(name, pin, flags) #name, -const char * gpio_names[GPIO_COUNT] = { - #include "gpio.wrap" -}; -#undef GPIO -#undef GPIO_INT - -test_mockable void gpio_pre_init(void) -{ - /* Nothing */ -} - -test_mockable int gpio_get_level(enum gpio_signal signal) -{ - return gpio_values[signal]; -} - -static int gpio_interrupt_check(uint32_t flags, int old, int new) -{ - if ((flags & GPIO_INT_F_RISING) && old == 0 && new == 1) - return 1; - if ((flags & GPIO_INT_F_FALLING) && old == 1 && new == 0) - return 1; - if ((flags & GPIO_INT_F_LOW) && new == 0) - return 1; - if ((flags & GPIO_INT_F_HIGH) && new == 1) - return 1; - return 0; -} - -test_mockable void gpio_set_level(enum gpio_signal signal, int value) -{ - const struct gpio_info *g = gpio_list + signal; - const uint32_t flags = g->flags; - const int old_value = gpio_values[signal]; - void (*ih)(enum gpio_signal signal); - - gpio_values[signal] = value; - - ccprints("Setting GPIO_%s to %d", gpio_names[signal], value); - - if (signal >= GPIO_IH_COUNT || !gpio_interrupt_enabled[signal]) - return; - - ih = gpio_irq_handlers[signal]; - - if (gpio_interrupt_check(flags, old_value, value)) - ih(signal); -} - -test_mockable int gpio_enable_interrupt(enum gpio_signal signal) -{ - gpio_interrupt_enabled[signal] = 1; - return EC_SUCCESS; -} - -test_mockable int gpio_disable_interrupt(enum gpio_signal signal) -{ - gpio_interrupt_enabled[signal] = 0; - return EC_SUCCESS; -} - -test_mockable int gpio_clear_pending_interrupt(enum gpio_signal signal) -{ - return EC_SUCCESS; -} - -test_mockable void gpio_set_flags_by_mask(uint32_t port, uint32_t mask, - uint32_t flags) -{ - /* Nothing */ -} - -test_mockable void gpio_set_alternate_function(uint32_t port, uint32_t mask, - enum gpio_alternate_func func) -{ - /* Nothing */ -} |