fwk: Add host command to get hw diag

I need it to check if the fan is present or not.

Signed-off-by: Daniel Schaefer <dhs@frame.work>

Author: JohnAZoidberg

zephyr/program/lotus/include/board_host_command.h

@@ -334,4 +334,16 @@ struct ec_response_expansion_bay_status {
 	uint8_t board_id_1;
 } __ec_align1;
 
+/*****************************************************************************/
+/*
+ * Get hardware diagnostics
+ */
+#define EC_CMD_GET_HW_DIAG 0x3E1C
+
+/* See enum diagnostics_device_idx */
+struct ec_response_get_hw_diag {
+	uint32_t hw_diagnostics;
+	uint8_t bios_complete;
+} __ec_align1;
+
 #endif /* __BOARD_HOST_COMMAND_H */

zephyr/program/lotus/include/diagnostics.h

@@ -48,6 +48,9 @@ enum diagnostics_device_idx {
  */
 void set_diagnostic(enum diagnostics_device_idx idx, bool error);
 
+uint32_t get_hw_diagnostic(void);
+uint8_t is_bios_complete(void);
+
 void set_bios_diagnostic(uint8_t code);
 
 void reset_diagnostics(void);

zephyr/program/lotus/lotus/src/project_diagnostics.c

@@ -43,6 +43,8 @@ void check_device_deferred(void)
 	if (!(fan_get_rpm_actual(1) > 100) && !get_standalone_mode())
 		set_diagnostic(DIAGNOSTICS_NO_LEFT_FAN, true);
 
+	/* TODO: Add something to know whether check has run or not */
+
 	/* Exit the duty mode and let thermal to control the fan */
 	dptf_set_fan_duty_target(-1);
 

zephyr/program/lotus/src/board_host_command.c

@@ -226,6 +226,20 @@ static enum ec_status cmd_diagnosis(struct host_cmd_handler_args *args)
 DECLARE_HOST_COMMAND(EC_CMD_DIAGNOSIS, cmd_diagnosis,
 			EC_VER_MASK(0));
 
+static enum ec_status cmd_get_hw_diag(struct host_cmd_handler_args *args)
+{
+	struct ec_response_get_hw_diag *r = args->response;
+
+	r->hw_diagnostics = get_hw_diagnostic();
+	r->bios_complete = is_bios_complete();
+
+	args->response_size = sizeof(*r);
+
+	return EC_RES_SUCCESS;
+}
+DECLARE_HOST_COMMAND(EC_CMD_GET_HW_DIAG, cmd_get_hw_diag,
+			EC_VER_MASK(0));
+
 #ifdef CONFIG_BOARD_AZALEA
 static enum ec_status update_keyboard_matrix(struct host_cmd_handler_args *args)
 {

zephyr/program/lotus/src/diagnostics.c

@@ -35,7 +35,7 @@ uint32_t diagnostics_ctr;
 uint32_t bios_code;
 
 uint8_t bios_complete;
-uint8_t fan_seen;
+uint8_t fan_seen; /* TODO: Unused so far */
 uint8_t run_diagnostics;
 
 int standalone_mode;
@@ -157,3 +157,13 @@ static void diagnostics_check(void)
 
 }
 DECLARE_HOOK(HOOK_CHIPSET_RESUME, diagnostics_check, HOOK_PRIO_DEFAULT);
+
+uint32_t get_hw_diagnostic(void)
+{
+	return hw_diagnostics;
+}
+
+uint8_t is_bios_complete(void)
+{
+	return bios_complete;
+}