1 // SPDX-License-Identifier: GPL-2.0
63 #define SENSOR_HW_ERROR		-1
64 #define SENSOR_BUSY		-2
65 #define SENSOR_NOT_EXIST	-3
66 #define SENSOR_DR_ENTITY	-9000
97 #define TONE_FREQUENCY		0x0001 /* 0 - 1000 (HZ)*/
98 #define TONE_VOLUME		0x0002 /* 0 - 100 (%) */
108 /* 9003 - 9004: Vendor specific */
109 /* 9006 - 9999: Vendor specific */
114 #define SENSOR_PREFIX		"ibm,sensor-"
123         struct individual_sensor sensor[MAX_SENSORS];  member
234 		return -ENODEV;  in proc_rtas_init()
238 		return -ENODEV;  in proc_rtas_init()
264 		return -EINVAL;  in parse_number()
267 		return -EFAULT;  in parse_number()
275 /* POWER-ON-TIME                                                      */
317 		count = MAX_LINELENGTH -1;  in ppc_rtas_progress_write()
319 		return -EFAULT;  in ppc_rtas_progress_write()
382 /* SENSOR STUFF                                                       */
390 	seq_printf(m, "RTAS (RunTime Abstraction Services) Sensor Information\n");  in ppc_rtas_sensors_show()
391 	seq_printf(m, "Sensor\t\tValue\t\tCondition\tLocation\n");  in ppc_rtas_sensors_show()
400 		struct individual_sensor *p = &sensors.sensor[i];  in ppc_rtas_sensors_show()
405 		sprintf (rstr, SENSOR_PREFIX"%04d", p->token);  in ppc_rtas_sensors_show()
408 		/* A sensor may have multiple instances */  in ppc_rtas_sensors_show()
409 		for (j = 0, offs = 0; j <= p->quant; j++) {  in ppc_rtas_sensors_show()
411 				  	  p->token, j);  in ppc_rtas_sensors_show()
433 	utmp = of_get_property(rtas_node, "rtas-sensors", &len);  in ppc_rtas_find_all_sensors()
435 		printk (KERN_ERR "error: could not get rtas-sensors\n");  in ppc_rtas_find_all_sensors()
442 		sensors.sensor[i].token = *utmp++;  in ppc_rtas_find_all_sensors()
443 		sensors.sensor[i].quant = *utmp++;  in ppc_rtas_find_all_sensors()
482  * Builds a string out of what the sensor said
503 						"No current flow" };  in ppc_rtas_process_sensor()
512 	/* What kind of sensor do we have here? */  in ppc_rtas_process_sensor()
514 	switch (s->token) {  in ppc_rtas_process_sensor()
570 			seq_printf(m, "EPOW Sensor:\t");  in ppc_rtas_process_sensor()
618 			seq_printf(m,  "Unknown sensor (type %d), ignoring it\n",  in ppc_rtas_process_sensor()
619 					s->token);  in ppc_rtas_process_sensor()
660 			seq_printf(m, "- %c", c[1]);  in check_location()
672  * ${LETTER}${NUMBER}[[-/]${LETTER}${NUMBER} [ ... ] ]
680 		else if (*c == '/' || *c == '-')  in check_location_string()
693 		seq_printf(m, "---");/* does not have a location */  in get_location_code()
700 /* INDICATORS - Tone Frequency                                        */
725 /* INDICATORS - Tone Volume                                           */
754  * ppc_rtas_rmo_buf_show() - Describe RTAS-addressable region for user space.
758  * Base + size description of a range of RTAS-addressable memory set