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-rw-r--r--io-module/mtac.c1
-rw-r--r--io-module/mtac_lora.c137
-rw-r--r--io-module/mts_io.c6
-rw-r--r--io-module/mts_io.h2
4 files changed, 146 insertions, 0 deletions
diff --git a/io-module/mtac.c b/io-module/mtac.c
index 828d24b..6a80576 100644
--- a/io-module/mtac.c
+++ b/io-module/mtac.c
@@ -98,6 +98,7 @@ static bool ap_add_product_info_attributes(int port, int type, struct attribute*
case MTAC_GPIOB_0_0:
case MTAC_MFSER_0_0:
+ case MTAC_LORA_0_0:
break;
default:
log_error("invalid accessory card type");
diff --git a/io-module/mtac_lora.c b/io-module/mtac_lora.c
new file mode 100644
index 0000000..b546003
--- /dev/null
+++ b/io-module/mtac_lora.c
@@ -0,0 +1,137 @@
+static char* lora_gpio_pin_name_by_attr_name(const char* name, int port) {
+ switch (port) {
+ case port_1:
+ if (! strcmp(name, "reset")) {
+ return "ap1-reset";
+ } else {
+ log_error("attirbute name [%s] is invalid for LORA in port %d", name, port);
+ return "";
+ }
+
+ case port_2:
+ if (! strcmp(name, "reset")) {
+ return "ap2-reset";
+ } else {
+ log_error("attirbute name [%s] is invalid for LORA in port %d", name, port);
+ return "";
+ }
+ }
+}
+
+// 1 reset
+// 1 vendor-id
+// 1 product-id
+// 1 device-id
+// 1 hw-version
+// NULL
+static size_t ap_lora_attrs_size = 6;
+
+static bool lora_setup(enum ap port) {
+ int i;
+ int port_index = port - 1;
+ int index = 0;
+ int count = 0;
+ int ret;
+ char buf[32];
+ struct kobj_attribute* attr;
+ struct attribute **attrs;
+
+ log_info("loading LORA accessory card in port %d", port);
+
+ sprintf(buf, "ap%d", port);
+ ap_subdirs[port_index] = kobject_create_and_add(buf, &mts_io_platform_device->dev.kobj);
+ if (! ap_subdirs[port_index]) {
+ log_error("kobject_create_and_add in port %d failed", port);
+ return false;
+ }
+
+ // create the link to the apX directory this card is in
+ // if we're in the first slot, we get plain "lora"
+ // if we're in a different slot, we might need to use "lora-2" to differentiate
+ if (port > 1) {
+ for (i = 1; i < port; i++) {
+ if (port_info[i - 1]) {
+ if (strstr(port_info[i - 1]->product_id, PRODUCT_ID_MTAC_LORA)) {
+ count++;
+ }
+ }
+ }
+ }
+ if (count > 0) {
+ sprintf(buf, "lora-%d", count + 1);
+ } else {
+ sprintf(buf, "lora");
+ }
+ ret = sysfs_create_link(ap_subdirs[port_index]->parent, ap_subdirs[port_index], buf);
+ if (ret) {
+ log_error("failed to link [%s] to [%s], %d", buf, ap_subdirs[port_index]->name, ret);
+ }
+
+ attrs = kzalloc(sizeof(struct attribute*) * ap_lora_attrs_size, GFP_KERNEL);
+ if (! attrs) {
+ log_error("failed to allocate attribute space for port %d", port);
+ return false;
+ }
+
+ sprintf(buf, "reset");
+ attr = create_attribute(buf, MTS_ATTR_MODE_RW);
+ if (! attr) {
+ log_error("failed to create attribute [%s] for LORA in port %d", buf, port);
+ return false;
+ }
+ attr->show = mts_attr_show_ap_gpio_pin;
+ attr->store = mts_attr_store_ap_gpio_pin;
+ attrs[index++] = &attr->attr;
+
+ // add attributes for eeprom contents
+ if (! ap_add_product_info_attributes(port, MTAC_LORA_0_0, attrs, &index)) {
+ log_error("failed to add product info attributes for LORA in port %d", port);
+ return false;
+ }
+
+ attrs[index] = NULL;
+
+ ap_attr_groups[port_index].attrs = attrs;
+ if (sysfs_create_group(ap_subdirs[port_index], &ap_attr_groups[port_index])) {
+ log_error("sysfs_create_group failed for LORA in port %d", port);
+ return false;
+ }
+
+ return true;
+}
+
+static bool lora_teardown(enum ap port) {
+ int i;
+ int port_index = port - 1;
+ struct attribute **attrs = ap_attr_groups[port_index].attrs;
+
+ log_info("unloading LORA accessory card in port %d", port);
+
+ // clean up allocated memory for attributes
+ for (i = 0; i < ap_lora_attrs_size; i++) {
+ if (attrs[i]) {
+ if (attrs[i]->name)
+ kfree(attrs[i]->name);
+
+ kfree(attrs[i]);
+ }
+ }
+
+ kfree(attrs);
+
+ // clean up our "apX/" kobject if it exists
+ if (ap_subdirs[port_index]) {
+ kobject_put(ap_subdirs[port_index]);
+ }
+
+ return true;
+}
+
+bool set_lora_info(struct ap_info* info) {
+ snprintf(info->product_id, 32, "%s", PRODUCT_ID_MTAC_LORA);
+ info->setup = &lora_setup;
+ info->teardown = &lora_teardown;
+ info->gpio_pin_name_by_attr_name = &lora_gpio_pin_name_by_attr_name;
+
+ return true;
+}
diff --git a/io-module/mts_io.c b/io-module/mts_io.c
index b3c3a10..3b2e130 100644
--- a/io-module/mts_io.c
+++ b/io-module/mts_io.c
@@ -98,6 +98,7 @@ static DEFINE_MUTEX(mts_io_mutex);
#include "mtac_gpiob.c"
#include "mtac_mfser.c"
#include "mtac_eth.c"
+#include "mtac_lora.c"
/* reset button handling */
#define RESET_CHECK_PER_SEC 8
@@ -406,6 +407,11 @@ static bool load_port(int port) {
log_error("failed to set up eth port info");
return false;
}
+ } else if (strstr(ap_eeprom[port_index].product_id, PRODUCT_ID_MTAC_LORA)) {
+ if (! set_lora_info(port_info[port_index])) {
+ log_error("failed to set up lora port info");
+ return false;
+ }
} else {
log_error("unknown accessory card [%s] in port %d", ap_eeprom[port_index].product_id, port);
kfree(port_info[port_index]);
diff --git a/io-module/mts_io.h b/io-module/mts_io.h
index 1b51cd3..216cc92 100644
--- a/io-module/mts_io.h
+++ b/io-module/mts_io.h
@@ -48,6 +48,7 @@ struct device_attribute _dev_name = { \
#define PRODUCT_ID_MTAC_GPIOB "MTAC-GPIOB"
#define PRODUCT_ID_MTAC_MFSER "MTAC-MFSER"
#define PRODUCT_ID_MTAC_ETH "MTAC-ETH"
+#define PRODUCT_ID_MTAC_LORA "MTAC-LORA"
#define HW_VERSION_MTCBA2_2_0 "MTCBA2-2.0"
#define HW_VERSION_MTCDP_0_0 "MTCDP-0.0"
@@ -71,6 +72,7 @@ enum {
MTAC_GPIOB_0_0,
MTAC_MFSER_0_0,
MTAC_ETH_0_0,
+ MTAC_LORA_0_0,
};
// GPIO pin types:input, output, open drain (1 = high Z, 0 = output low)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 21:54:00 +0000