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Diffstat (limited to 'io-module/mtac_lora.c')
-rw-r--r--io-module/mtac_lora.c233
1 files changed, 0 insertions, 233 deletions
diff --git a/io-module/mtac_lora.c b/io-module/mtac_lora.c
deleted file mode 100644
index 60bab06..0000000
--- a/io-module/mtac_lora.c
+++ /dev/null
@@ -1,233 +0,0 @@
-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 if (!strcmp(name,"cdone")) {
- return "ap1-cdone";
- } else if (!strcmp(name,"creset")) {
- return "ap1-creset";
- } else {
- log_error("attribute name [%s] is invalid for LORA in port %d", name, port);
- return "";
- }
-
- case port_2:
- if (! strcmp(name, "reset")) {
- return "ap2-reset";
- } else if (!strcmp(name,"cdone")) {
- return "ap2-cdone";
- } else if (!strcmp(name,"creset")) {
- return "ap2-creset";
- } else {
- log_error("attribute 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
-// 1 eui
-// 1 cdone
-// 1 creset
-// NULL
-static size_t ap_lora_attrs_size = 9;
-
-// Set the hardware version if the ROM string matches one of the valid
-// hardware versions.
-// Lengths of strings must be the same for a match, then can compare
-// text. Without a length check a subset of a string could be a match.
-#define COMPARE_AND_ASSIGN(CANDIDATE) ((hw_version_len == (sizeof(HW_VERSION_ ## CANDIDATE)-1)) && \
- (strncmp(ap_eeprom[port_index].hw_version, HW_VERSION_ ## CANDIDATE, sizeof(HW_VERSION_ ## CANDIDATE)) == 0)) \
- lora_hw_version = CANDIDATE;
-
-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;
- int lora_hw_version;
- int hw_version_len;
-
- 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);
- } else
- log_info("created link [%s] to [%s], success:%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;
- }
-
- // hw_version string length, null character not counted.
- hw_version_len = strnlen(ap_eeprom[port_index].hw_version,sizeof ap_eeprom[port_index].hw_version);
-
- if COMPARE_AND_ASSIGN(MTAC_LORA_0_0)
- else if COMPARE_AND_ASSIGN(MTAC_LORA_1_0)
- else if COMPARE_AND_ASSIGN(MTAC_LORA_1_5)
- else {
- log_error("Unknown hw-version in port %d", port);
- kfree(attrs);
- return false;
- }
-
- // add reset line attribute for MTAC_LORA_0_0
- if ((lora_hw_version == MTAC_LORA_0_0) || (lora_hw_version == MTAC_LORA_1_0)) {
- 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);
- kfree(attrs);
- return false;
- }
- attr->show = mts_attr_show_ap_gpio_pin;
- attr->store = mts_attr_store_ap_gpio_pin;
- attrs[index++] = &attr->attr;
- }
- else if (lora_hw_version == MTAC_LORA_1_5) {
- int ipin = 0;
- // Substitute pins for this port
- log_info("Substitute pins");
- while(*(lora_h[port_index][ipin].name)) {
- struct gpio_pin *p;
- p = gpio_pin_by_num(lora_h[port_index][ipin].pin.gpio);
- if(p) {
- log_info("LORA H: Replace name %s with name %s",p->name,lora_h[port_index][ipin].name);
- log_info("LORA H: Replace pin number %u with number %u",p->pin.gpio,lora_h[port_index][ipin].pin.gpio);
- *p = lora_h[port_index][ipin];
- }
- ipin++;
- }
-
- //add support for reset
- 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);
- kfree(attrs);
- return false;
- }
- attr->show = mts_attr_show_ap_gpio_pin;
- attr->store = mts_attr_store_ap_gpio_pin;
- attrs[index++] = &attr->attr;
-
- //GPIO1 - cdone on FPGA - input to CPU
- sprintf(buf, "cdone");
- attr = create_attribute(buf, MTS_ATTR_MODE_RO);
- if (! attr) {
- log_error("failed to create attribute [%s] for LORA in port %d", buf, port);
- kfree(attrs);
- return false;
- }
- attr->show = mts_attr_show_ap_gpio_pin;
- attrs[index++] = &attr->attr;
-
- //GPIO2 reset on FPGA - output from CPU
- sprintf(buf, "creset");
- attr = create_attribute(buf, MTS_ATTR_MODE_RW);
- if (! attr) {
- log_error("failed to create attribute [%s] for LORA in port %d", buf, port);
- kfree(attrs);
- return false;
- }
- attr->show = mts_attr_show_ap_gpio_pin;
- attr->store = mts_attr_store_ap_gpio_pin;
- attrs[index++] = &attr->attr;
- if(index >= ap_lora_attrs_size) {
- panic("Internal error, too many attributes on the LORA card index %d >= %d",
- index,ap_lora_attrs_size);
- }
- }
-
- // add attributes for eeprom contents
- ret = ap_add_product_info_attributes(port, lora_hw_version, attrs, &index);
-
- attrs[index] = NULL; // Terminate the array.
- ap_attr_groups[port_index].attrs = attrs; // attrs available for teardown.
-
- if (!ret) {
- log_error("failed to add product info attributes for LORA in port %d", port);
- return false;
- }
- log_info("ap_subdirs[port_index=%d] = %p ap_subdirs[port_index=%d]=%p",
- port_index,ap_subdirs[port_index],port_index,&ap_attr_groups[port_index]);
- 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);
-
- if(attrs) {
- // 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;
-}