cellular: update access technologies

Update the defined access technologies to align with the 3GPP standard
TS 27.007. Definitions were copied from version v18.6.0.

Signed-off-by: Jordan Yates <[email protected]>

Author: JordanYates

doc/releases/migration-guide-4.3.rst

@@ -221,6 +221,11 @@ Other subsystems
 
 .. zephyr-keep-sorted-start re(^\w)
 
+Cellular
+========
+
+ * :c:enum:`cellular_access_technology` values have been redefined to align with 3GPP TS 27.007.
+
 Logging
 =======
 

drivers/modem/modem_cellular.c

@@ -2021,19 +2021,29 @@ static int modem_cellular_get_registration_status(const struct device *dev,
 	int ret = 0;
 	struct modem_cellular_data *data = (struct modem_cellular_data *)dev->data;
 
+	/* Techs explicitly not handled as N/A to CREG, CGREG, CEREG:
+	 *   CELLULAR_ACCESS_TECHNOLOGY_NR_5G_CN
+	 *   CELLULAR_ACCESS_TECHNOLOGY_NG_RAN
+	 */
 	switch (tech) {
 	case CELLULAR_ACCESS_TECHNOLOGY_GSM:
+	case CELLULAR_ACCESS_TECHNOLOGY_GSM_COMPACT:
 		*status = data->registration_status_gsm;
 		break;
-	case CELLULAR_ACCESS_TECHNOLOGY_GPRS:
-	case CELLULAR_ACCESS_TECHNOLOGY_UMTS:
-	case CELLULAR_ACCESS_TECHNOLOGY_EDGE:
+	case CELLULAR_ACCESS_TECHNOLOGY_GSM_EGPRS:
+	case CELLULAR_ACCESS_TECHNOLOGY_EC_GSM_IOT:
+	case CELLULAR_ACCESS_TECHNOLOGY_UTRAN:
+	case CELLULAR_ACCESS_TECHNOLOGY_UTRAN_HSDPA:
+	case CELLULAR_ACCESS_TECHNOLOGY_UTRAN_HSUPA:
+	case CELLULAR_ACCESS_TECHNOLOGY_UTRAN_HSDPA_HSUPA:
 		*status = data->registration_status_gprs;
 		break;
-	case CELLULAR_ACCESS_TECHNOLOGY_LTE:
-	case CELLULAR_ACCESS_TECHNOLOGY_LTE_CAT_M1:
-	case CELLULAR_ACCESS_TECHNOLOGY_LTE_CAT_M2:
-	case CELLULAR_ACCESS_TECHNOLOGY_NB_IOT:
+	case CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN:
+	case CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN_NB_S1:
+	case CELLULAR_ACCESS_TECHNOLOGY_E_UTRA_NR_DUAL:
+	case CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN_NB_S1_SAT:
+	case CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN_WB_S1_SAT:
+	case CELLULAR_ACCESS_TECHNOLOGY_NG_RAN_SAT:
 		*status = data->registration_status_lte;
 		break;
 	default:

include/zephyr/drivers/cellular.h

@@ -29,16 +29,44 @@
 extern "C" {
 #endif
 
-/** Cellular access technologies */
+/** Cellular access technologies (3GPP TS 27.007 AcT) */
 enum cellular_access_technology {
+	/** Global System for Mobile communications (2G, 3GPP Rel 99) */
 	CELLULAR_ACCESS_TECHNOLOGY_GSM = 0,
-	CELLULAR_ACCESS_TECHNOLOGY_GPRS,
-	CELLULAR_ACCESS_TECHNOLOGY_UMTS,
-	CELLULAR_ACCESS_TECHNOLOGY_EDGE,
-	CELLULAR_ACCESS_TECHNOLOGY_LTE,
-	CELLULAR_ACCESS_TECHNOLOGY_LTE_CAT_M1,
-	CELLULAR_ACCESS_TECHNOLOGY_LTE_CAT_M2,
-	CELLULAR_ACCESS_TECHNOLOGY_NB_IOT,
+	/** Bandwidth & Spectrum limited variant of GSM (2G, 3GPP Rel 99) */
+	CELLULAR_ACCESS_TECHNOLOGY_GSM_COMPACT = 1,
+	/** UMTS Terrestrial Radio Access Network (3G, 3GPP Rel 99) */
+	CELLULAR_ACCESS_TECHNOLOGY_UTRAN = 2,
+	/** GSM Enhanced General Packet Radio Service (2.5G, 3GPP Rel 99) */
+	CELLULAR_ACCESS_TECHNOLOGY_GSM_EGPRS = 3,
+	/** UTRAN with High Speed Downlink Packet Access (3.5G, 3GPP Rel 5) */
+	CELLULAR_ACCESS_TECHNOLOGY_UTRAN_HSDPA = 4,
+	/** UTRAN with High Speed Uplink Packet Access (3.75G, 3GPP Rel 6) */
+	CELLULAR_ACCESS_TECHNOLOGY_UTRAN_HSUPA = 5,
+	/** UTRAN with HSDPA and HSUDP (HSPA) (3.75G, 3GPP Rel 6) */
+	CELLULAR_ACCESS_TECHNOLOGY_UTRAN_HSDPA_HSUPA = 6,
+	/** Evolved UTRAN (4G, 3GPP Rel 8) */
+	CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN = 7,
+	/** Extended Coverage GSM for IoT (2G, 3GPP Rel 13) */
+	CELLULAR_ACCESS_TECHNOLOGY_EC_GSM_IOT = 8,
+	/** EUTRAN Narrowband-IoT (4G, 3GPP Rel 13) */
+	CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN_NB_S1 = 9,
+	/** LTE/E-UTRA connected to 5G Core Network (5G, 3GPP Rel 15) */
+	CELLULAR_ACCESS_TECHNOLOGY_E_UTRA_5G_CN = 10,
+	/** New Radio with 5G Core Network (5G, 3GPP Rel 15) */
+	CELLULAR_ACCESS_TECHNOLOGY_NR_5G_CN = 11,
+	/** Next Generation RAN (5G, 3GPP Rel 15) */
+	CELLULAR_ACCESS_TECHNOLOGY_NG_RAN = 12,
+	/** LTE/E-UTRA & NR dual connectivity (5G, 3GPP Rel 15) */
+	CELLULAR_ACCESS_TECHNOLOGY_E_UTRA_NR_DUAL = 13,
+	/** Narrowband-IoT over Satellite (4G, 3GPP Rel 17) */
+	CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN_NB_S1_SAT = 14,
+	/** LTE (wideband) over Satellite (4G, 3GPP Rel 17) */
+	CELLULAR_ACCESS_TECHNOLOGY_E_UTRAN_WB_S1_SAT = 15,
+	/** Next Generation RAN over Satellite (5G, 3GPP Rel 17) */
+	CELLULAR_ACCESS_TECHNOLOGY_NG_RAN_SAT = 16,
+	/** Unknown access technology */
+	CELLULAR_ACCESS_TECHNOLOGY_UNKNOWN = 255,
 };
 
 /** Cellular network structure */