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Diffstat (limited to 'io-module/mtac_gpiob.c')
-rw-r--r--io-module/mtac_gpiob.c109
1 files changed, 20 insertions, 89 deletions
diff --git a/io-module/mtac_gpiob.c b/io-module/mtac_gpiob.c
index ebbe0c6..ce1d7de 100644
--- a/io-module/mtac_gpiob.c
+++ b/io-module/mtac_gpiob.c
@@ -105,97 +105,27 @@ static int mts_spi_ap_remove(struct spi_device *spi)
return 0;
}
-// Is there a way to make this dynamic as well?
-struct gpio_pin *ap_gpio_pin_by_attr_name(const char *name) {
- struct gpio_pin *pin;
- char *pin_attr_name;
-
- if (!strcmp(name, "ap-led1:1")) {
- pin_attr_name = "ap1-gpio3";
- } else if (!strcmp(name, "ap-led2:1")) {
- pin_attr_name = "ap1-gpio4";
- } else if (!strcmp(name, "ap-dout-enable:1")) {
- pin_attr_name = "ap1-gpio1";
- } else if (!strcmp(name, "ap-reset:1")) {
- pin_attr_name = "ap1-reset";
- } else if (!strcmp(name, "ap-led1:2")) {
- pin_attr_name = "ap2-gpio3";
- } else if (!strcmp(name, "ap-led2:2")) {
- pin_attr_name = "ap2-gpio4";
- } else if (!strcmp(name, "ap-dout-enable:2")) {
- pin_attr_name = "ap2-gpio1";
- } else if (!strcmp(name, "ap-reset:2")) {
- pin_attr_name = "ap2-reset";
+static char* gpiob_gpio_pin_name_by_attr_name(const char* name) {
+ if (! strcmp(name, "ap-led1:1")) {
+ return "ap1-gpio3";
+ } else if (! strcmp(name, "ap-led2:1")) {
+ return "ap1-gpio4";
+ } else if (! strcmp(name, "ap-dout-enable:1")) {
+ return "ap1-gpio1";
+ } else if (! strcmp(name, "ap-reset:1")) {
+ return "ap1-reset";
+ } else if (! strcmp(name, "ap-led1:2")) {
+ return "ap2-gpio3";
+ } else if (! strcmp(name, "ap-led2:2")) {
+ return "ap2-gpio4";
+ } else if (! strcmp(name, "ap-dout-enable:2")) {
+ return "ap2-gpio1";
+ } else if (! strcmp(name, "ap-reset:2")) {
+ return "ap2-reset";
} else {
- log_error("accessory card attribute %s not available", name);
- return NULL;
+ log_error("attirbute name [%s] is invalid for GPIOB", name);
+ return "";
}
-
- for (pin = gpio_pins; *pin->name; pin++) {
- if (!strcmp(pin->pin.label, pin_attr_name)) {
- return pin;
- }
- }
-
- log_error("pin with attr name %s not found", name);
-
- return NULL;
-}
-
-
-static ssize_t mts_attr_show_ap_gpio_pin(struct kobject *kobj,
- struct kobj_attribute *attr,
- char *buf)
-{
- int value;
- struct gpio_pin *pin = ap_gpio_pin_by_attr_name(attr->attr.name);
-
- if (!pin) {
- return -ENODEV;
- }
-
- mutex_lock(&mts_io_mutex);
-
- value = gpio_get_value(pin->pin.gpio);
-
- mutex_unlock(&mts_io_mutex);
-
- if (value < 0) {
- return value;
- }
-
- if (pin->active_low) {
- value = !value;
- }
-
- return sprintf(buf, "%d\n", value);
-}
-
-static ssize_t mts_attr_store_ap_gpio_pin(struct kobject *kobj,
- struct kobj_attribute *attr, const char *buf, size_t count)
-{
- int value;
- struct gpio_pin *pin = ap_gpio_pin_by_attr_name(attr->attr.name);
-
- if (!pin) {
- return -ENODEV;
- }
-
- if (sscanf(buf, "%i", &value) != 1) {
- return -EINVAL;
- }
-
- if (pin->active_low) {
- value = !value;
- }
-
- mutex_lock(&mts_io_mutex);
-
- gpio_set_value(pin->pin.gpio, value);
-
- mutex_unlock(&mts_io_mutex);
-
- return count;
}
static ssize_t mts_attr_show_ap_din(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
@@ -561,6 +491,7 @@ bool set_gpiob_info(struct ap_info* info) {
info->teardown = &gpiob_teardown;
info->attrs_start = 0;
info->attrs_end = 0;
+ info->gpio_pin_name_by_attr_name = &gpiob_gpio_pin_name_by_attr_name;
return true;
}