patch-2.4.20 linux-2.4.20/arch/ppc/kernel/proc_rtas.c
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- Lines: 788
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
linux-2.4.19/arch/ppc/kernel/proc_rtas.c
- Orig date:
Mon May 21 17:04:47 2001
diff -urN linux-2.4.19/arch/ppc/kernel/proc_rtas.c linux-2.4.20/arch/ppc/kernel/proc_rtas.c
@@ -1,787 +0,0 @@
-/*
- * BK Id: SCCS/s.proc_rtas.c 1.5 05/17/01 18:14:22 cort
- */
-/*
- * arch/ppc/kernel/proc_rtas.c
- * Copyright (C) 2000 Tilmann Bitterberg
- * (tilmann@bitterberg.de)
- *
- * RTAS (Runtime Abstraction Services) stuff
- * Intention is to provide a clean user interface
- * to use the RTAS.
- *
- * TODO:
- * Split off a header file and maybe move it to a different
- * location. Write Documentation on what the /proc/rtas/ entries
- * actually do.
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/proc_fs.h>
-#include <linux/stat.h>
-#include <linux/ctype.h>
-#include <linux/time.h>
-#include <linux/string.h>
-
-#include <asm/uaccess.h>
-#include <asm/bitops.h>
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/machdep.h> /* for ppc_md */
-#include <asm/time.h>
-
-/* Token for Sensors */
-#define KEY_SWITCH 0x0001
-#define ENCLOSURE_SWITCH 0x0002
-#define THERMAL_SENSOR 0x0003
-#define LID_STATUS 0x0004
-#define POWER_SOURCE 0x0005
-#define BATTERY_VOLTAGE 0x0006
-#define BATTERY_REMAINING 0x0007
-#define BATTERY_PERCENTAGE 0x0008
-#define EPOW_SENSOR 0x0009
-#define BATTERY_CYCLESTATE 0x000a
-#define BATTERY_CHARGING 0x000b
-
-/* IBM specific sensors */
-#define IBM_SURVEILLANCE 0x2328 /* 9000 */
-#define IBM_FANRPM 0x2329 /* 9001 */
-#define IBM_VOLTAGE 0x232a /* 9002 */
-#define IBM_DRCONNECTOR 0x232b /* 9003 */
-#define IBM_POWERSUPPLY 0x232c /* 9004 */
-#define IBM_INTQUEUE 0x232d /* 9005 */
-
-/* Status return values */
-#define SENSOR_CRITICAL_HIGH 13
-#define SENSOR_WARNING_HIGH 12
-#define SENSOR_NORMAL 11
-#define SENSOR_WARNING_LOW 10
-#define SENSOR_CRITICAL_LOW 9
-#define SENSOR_SUCCESS 0
-#define SENSOR_HW_ERROR -1
-#define SENSOR_BUSY -2
-#define SENSOR_NOT_EXIST -3
-#define SENSOR_DR_ENTITY -9000
-
-/* Location Codes */
-#define LOC_SCSI_DEV_ADDR 'A'
-#define LOC_SCSI_DEV_LOC 'B'
-#define LOC_CPU 'C'
-#define LOC_DISKETTE 'D'
-#define LOC_ETHERNET 'E'
-#define LOC_FAN 'F'
-#define LOC_GRAPHICS 'G'
-/* reserved / not used 'H' */
-#define LOC_IO_ADAPTER 'I'
-/* reserved / not used 'J' */
-#define LOC_KEYBOARD 'K'
-#define LOC_LCD 'L'
-#define LOC_MEMORY 'M'
-#define LOC_NV_MEMORY 'N'
-#define LOC_MOUSE 'O'
-#define LOC_PLANAR 'P'
-#define LOC_OTHER_IO 'Q'
-#define LOC_PARALLEL 'R'
-#define LOC_SERIAL 'S'
-#define LOC_DEAD_RING 'T'
-#define LOC_RACKMOUNTED 'U' /* for _u_nit is rack mounted */
-#define LOC_VOLTAGE 'V'
-#define LOC_SWITCH_ADAPTER 'W'
-#define LOC_OTHER 'X'
-#define LOC_FIRMWARE 'Y'
-#define LOC_SCSI 'Z'
-
-/* Tokens for indicators */
-#define TONE_FREQUENCY 0x0001 /* 0 - 1000 (HZ)*/
-#define TONE_VOLUME 0x0002 /* 0 - 100 (%) */
-#define SYSTEM_POWER_STATE 0x0003
-#define WARNING_LIGHT 0x0004
-#define DISK_ACTIVITY_LIGHT 0x0005
-#define HEX_DISPLAY_UNIT 0x0006
-#define BATTERY_WARNING_TIME 0x0007
-#define CONDITION_CYCLE_REQUEST 0x0008
-#define SURVEILLANCE_INDICATOR 0x2328 /* 9000 */
-#define DR_ACTION 0x2329 /* 9001 */
-#define DR_INDICATOR 0x232a /* 9002 */
-/* 9003 - 9004: Vendor specific */
-#define GLOBAL_INTERRUPT_QUEUE 0x232d /* 9005 */
-/* 9006 - 9999: Vendor specific */
-
-/* other */
-#define MAX_SENSORS 17 /* I only know of 17 sensors */
-#define MAX_LINELENGTH 256
-#define SENSOR_PREFIX "ibm,sensor-"
-#define cel_to_fahr(x) ((x*9/5)+32)
-
-
-/* Globals */
-static struct proc_dir_entry *proc_rtas;
-static struct rtas_sensors sensors;
-static struct device_node *rtas;
-static unsigned long power_on_time = 0; /* Save the time the user set */
-static char progress_led[MAX_LINELENGTH];
-
-static unsigned long rtas_tone_frequency = 1000;
-static unsigned long rtas_tone_volume = 0;
-
-/* ****************STRUCTS******************************************* */
-struct individual_sensor {
- unsigned int token;
- unsigned int quant;
-};
-
-struct rtas_sensors {
- struct individual_sensor sensor[MAX_SENSORS];
- unsigned int quant;
-};
-
-/* ****************************************************************** */
-/* Declarations */
-static int ppc_rtas_sensor_read(char * buf, char ** start, off_t off,
- int count, int *eof, void *data);
-static ssize_t ppc_rtas_clock_read(struct file * file, char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_clock_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_progress_read(struct file * file, char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_progress_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_poweron_read(struct file * file, char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_poweron_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos);
-
-static ssize_t ppc_rtas_tone_freq_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_tone_freq_read(struct file * file, char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_tone_volume_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos);
-static ssize_t ppc_rtas_tone_volume_read(struct file * file, char * buf,
- size_t count, loff_t *ppos);
-
-struct file_operations ppc_rtas_poweron_operations = {
- read: ppc_rtas_poweron_read,
- write: ppc_rtas_poweron_write
-};
-struct file_operations ppc_rtas_progress_operations = {
- read: ppc_rtas_progress_read,
- write: ppc_rtas_progress_write
-};
-
-struct file_operations ppc_rtas_clock_operations = {
- read: ppc_rtas_clock_read,
- write: ppc_rtas_clock_write
-};
-
-struct file_operations ppc_rtas_tone_freq_operations = {
- read: ppc_rtas_tone_freq_read,
- write: ppc_rtas_tone_freq_write
-};
-struct file_operations ppc_rtas_tone_volume_operations = {
- read: ppc_rtas_tone_volume_read,
- write: ppc_rtas_tone_volume_write
-};
-
-int ppc_rtas_find_all_sensors (void);
-int ppc_rtas_process_sensor(struct individual_sensor s, int state,
- int error, char * buf);
-char * ppc_rtas_process_error(int error);
-int get_location_code(struct individual_sensor s, char * buf);
-int check_location_string (char *c, char * buf);
-int check_location (char *c, int idx, char * buf);
-
-/* ****************************************************************** */
-/* MAIN */
-/* ****************************************************************** */
-void proc_rtas_init(void)
-{
- struct proc_dir_entry *entry;
-
- rtas = find_devices("rtas");
- if ((rtas == 0) || (_machine != _MACH_chrp)) {
- return;
- }
-
- proc_rtas = proc_mkdir("rtas", 0);
- if (proc_rtas == 0)
- return;
-
- /* /proc/rtas entries */
-
- entry = create_proc_entry("progress", S_IRUGO|S_IWUSR, proc_rtas);
- if (entry) entry->proc_fops = &ppc_rtas_progress_operations;
-
- entry = create_proc_entry("clock", S_IRUGO|S_IWUSR, proc_rtas);
- if (entry) entry->proc_fops = &ppc_rtas_clock_operations;
-
- entry = create_proc_entry("poweron", S_IWUSR|S_IRUGO, proc_rtas);
- if (entry) entry->proc_fops = &ppc_rtas_poweron_operations;
-
- create_proc_read_entry("sensors", S_IRUGO, proc_rtas,
- ppc_rtas_sensor_read, NULL);
-
- entry = create_proc_entry("frequency", S_IWUSR|S_IRUGO, proc_rtas);
- if (entry) entry->proc_fops = &ppc_rtas_tone_freq_operations;
-
- entry = create_proc_entry("volume", S_IWUSR|S_IRUGO, proc_rtas);
- if (entry) entry->proc_fops = &ppc_rtas_tone_volume_operations;
-}
-
-/* ****************************************************************** */
-/* POWER-ON-TIME */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_poweron_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos)
-{
- struct rtc_time tm;
- unsigned long nowtime;
- char *dest;
- int error;
-
- nowtime = simple_strtoul(buf, &dest, 10);
- if (*dest != '\0' && *dest != '\n') {
- printk("ppc_rtas_poweron_write: Invalid time\n");
- return count;
- }
- power_on_time = nowtime; /* save the time */
-
- to_tm(nowtime, &tm);
-
- error = call_rtas("set-time-for-power-on", 7, 1, NULL,
- tm.tm_year, tm.tm_mon, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec, 0 /* nano */);
- if (error != 0)
- printk(KERN_WARNING "error: setting poweron time returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static ssize_t ppc_rtas_poweron_read(struct file * file, char * buf,
- size_t count, loff_t *ppos)
-{
- int n;
- if (power_on_time == 0)
- n = sprintf(buf, "Power on time not set\n");
- else
- n = sprintf(buf, "%lu\n", power_on_time);
-
- if (*ppos >= strlen(buf))
- return 0;
- if (n > strlen(buf) - *ppos)
- n = strlen(buf) - *ppos;
- if (n > count)
- n = count;
- *ppos += n;
- return n;
-}
-
-/* ****************************************************************** */
-/* PROGRESS */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_progress_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos)
-{
- unsigned long hex;
-
- strcpy(progress_led, buf); /* save the string */
- /* Lets see if the user passed hexdigits */
- hex = simple_strtoul(buf, NULL, 10);
-
- ppc_md.progress ((char *)buf, hex);
- return count;
-
- /* clear the line */ /* ppc_md.progress(" ", 0xffff);*/
-}
-/* ****************************************************************** */
-static ssize_t ppc_rtas_progress_read(struct file * file, char * buf,
- size_t count, loff_t *ppos)
-{
- int n = 0;
- if (progress_led != NULL)
- n = sprintf (buf, "%s\n", progress_led);
- if (*ppos >= strlen(buf))
- return 0;
- if (n > strlen(buf) - *ppos)
- n = strlen(buf) - *ppos;
- if (n > count)
- n = count;
- *ppos += n;
- return n;
-}
-
-/* ****************************************************************** */
-/* CLOCK */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_clock_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos)
-{
- struct rtc_time tm;
- unsigned long nowtime;
- char *dest;
- int error;
-
- nowtime = simple_strtoul(buf, &dest, 10);
- if (*dest != '\0' && *dest != '\n') {
- printk("ppc_rtas_clock_write: Invalid time\n");
- return count;
- }
-
- to_tm(nowtime, &tm);
- error = call_rtas("set-time-of-day", 7, 1, NULL,
- tm.tm_year, tm.tm_mon, tm.tm_mday,
- tm.tm_hour, tm.tm_min, tm.tm_sec, 0);
- if (error != 0)
- printk(KERN_WARNING "error: setting the clock returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static ssize_t ppc_rtas_clock_read(struct file * file, char * buf,
- size_t count, loff_t *ppos)
-{
- unsigned int year, mon, day, hour, min, sec;
- unsigned long *ret = kmalloc(4*8, GFP_KERNEL);
- int n, error;
-
- error = call_rtas("get-time-of-day", 0, 8, ret);
-
- year = ret[0]; mon = ret[1]; day = ret[2];
- hour = ret[3]; min = ret[4]; sec = ret[5];
-
- if (error != 0){
- printk(KERN_WARNING "error: reading the clock returned: %s\n",
- ppc_rtas_process_error(error));
- n = sprintf (buf, "0");
- } else {
- n = sprintf (buf, "%lu\n", mktime(year, mon, day, hour, min, sec));
- }
- kfree(ret);
-
- if (*ppos >= strlen(buf))
- return 0;
- if (n > strlen(buf) - *ppos)
- n = strlen(buf) - *ppos;
- if (n > count)
- n = count;
- *ppos += n;
- return n;
-}
-
-/* ****************************************************************** */
-/* SENSOR STUFF */
-/* ****************************************************************** */
-static int ppc_rtas_sensor_read(char * buf, char ** start, off_t off,
- int count, int *eof, void *data)
-{
- int i,j,n;
- unsigned long ret;
- int state, error;
- char buffer[MAX_LINELENGTH*MAX_SENSORS]; /* May not be enough */
-
- if (count < 0)
- return -EINVAL;
-
- n = sprintf ( buffer , "RTAS (RunTime Abstraction Services) Sensor Information\n");
- n += sprintf ( buffer+n, "Sensor\t\tValue\t\tCondition\tLocation\n");
- n += sprintf ( buffer+n, "********************************************************\n");
-
- if (ppc_rtas_find_all_sensors() != 0) {
- n += sprintf ( buffer+n, "\nNo sensors are available\n");
- goto return_string;
- }
-
- for (i=0; i<sensors.quant; i++) {
- j = sensors.sensor[i].quant;
- /* A sensor may have multiple instances */
- while (j >= 0) {
- error = call_rtas("get-sensor-state", 2, 2, &ret,
- sensors.sensor[i].token, sensors.sensor[i].quant-j);
- state = (int) ret;
- n += ppc_rtas_process_sensor(sensors.sensor[i], state, error, buffer+n );
- n += sprintf (buffer+n, "\n");
- j--;
- } /* while */
- } /* for */
-
-return_string:
- if (off >= strlen(buffer)) {
- *eof = 1;
- return 0;
- }
- if (n > strlen(buffer) - off)
- n = strlen(buffer) - off;
- if (n > count)
- n = count;
- else
- *eof = 1;
- memcpy(buf, buffer + off, n);
- *start = buf;
- return n;
-}
-
-/* ****************************************************************** */
-
-int ppc_rtas_find_all_sensors (void)
-{
- unsigned long *utmp;
- int len, i, j;
-
- utmp = (unsigned long *) get_property(rtas, "rtas-sensors", &len);
- if (utmp == NULL) {
- printk (KERN_ERR "error: could not get rtas-sensors\n");
- return 1;
- }
-
- sensors.quant = len / 8; /* int + int */
-
- for (i=0, j=0; j<sensors.quant; i+=2, j++) {
- sensors.sensor[j].token = utmp[i];
- sensors.sensor[j].quant = utmp[i+1];
- }
- return 0;
-}
-
-/* ****************************************************************** */
-/*
- * Builds a string of what rtas returned
- */
-char * ppc_rtas_process_error(int error)
-{
- switch (error) {
- case SENSOR_CRITICAL_HIGH:
- return "(critical high)";
- case SENSOR_WARNING_HIGH:
- return "(warning high)";
- case SENSOR_NORMAL:
- return "(normal)";
- case SENSOR_WARNING_LOW:
- return "(warning low)";
- case SENSOR_CRITICAL_LOW:
- return "(critical low)";
- case SENSOR_SUCCESS:
- return "(read ok)";
- case SENSOR_HW_ERROR:
- return "(hardware error)";
- case SENSOR_BUSY:
- return "(busy)";
- case SENSOR_NOT_EXIST:
- return "(non existant)";
- case SENSOR_DR_ENTITY:
- return "(dr entity removed)";
- default:
- return "(UNKNOWN)";
- }
-}
-
-/* ****************************************************************** */
-/*
- * Builds a string out of what the sensor said
- */
-
-int ppc_rtas_process_sensor(struct individual_sensor s, int state,
- int error, char * buf)
-{
- /* Defined return vales */
- const char * key_switch[] = { "Off\t", "Normal\t", "Secure\t", "Mainenance" };
- const char * enclosure_switch[] = { "Closed", "Open" };
- const char * lid_status[] = { " ", "Open", "Closed" };
- const char * power_source[] = { "AC\t", "Battery", "AC & Battery" };
- const char * battery_remaining[] = { "Very Low", "Low", "Mid", "High" };
- const char * epow_sensor[] = {
- "EPOW Reset", "Cooling warning", "Power warning",
- "System shutdown", "System halt", "EPOW main enclosure",
- "EPOW power off" };
- const char * battery_cyclestate[] = { "None", "In progress", "Requested" };
- const char * battery_charging[] = { "Charging", "Discharching", "No current flow" };
- const char * ibm_drconnector[] = { "Empty", "Present" };
- const char * ibm_intqueue[] = { "Disabled", "Enabled" };
-
- int have_strings = 0;
- int temperature = 0;
- int unknown = 0;
- int n = 0;
-
- /* What kind of sensor do we have here? */
- switch (s.token) {
- case KEY_SWITCH:
- n += sprintf(buf+n, "Key switch:\t");
- n += sprintf(buf+n, "%s\t", key_switch[state]);
- have_strings = 1;
- break;
- case ENCLOSURE_SWITCH:
- n += sprintf(buf+n, "Enclosure switch:\t");
- n += sprintf(buf+n, "%s\t", enclosure_switch[state]);
- have_strings = 1;
- break;
- case THERMAL_SENSOR:
- n += sprintf(buf+n, "Temp. (°C/°F):\t");
- temperature = 1;
- break;
- case LID_STATUS:
- n += sprintf(buf+n, "Lid status:\t");
- n += sprintf(buf+n, "%s\t", lid_status[state]);
- have_strings = 1;
- break;
- case POWER_SOURCE:
- n += sprintf(buf+n, "Power source:\t");
- n += sprintf(buf+n, "%s\t", power_source[state]);
- have_strings = 1;
- break;
- case BATTERY_VOLTAGE:
- n += sprintf(buf+n, "Battery voltage:\t");
- break;
- case BATTERY_REMAINING:
- n += sprintf(buf+n, "Battery remaining:\t");
- n += sprintf(buf+n, "%s\t", battery_remaining[state]);
- have_strings = 1;
- break;
- case BATTERY_PERCENTAGE:
- n += sprintf(buf+n, "Battery percentage:\t");
- break;
- case EPOW_SENSOR:
- n += sprintf(buf+n, "EPOW Sensor:\t");
- n += sprintf(buf+n, "%s\t", epow_sensor[state]);
- have_strings = 1;
- break;
- case BATTERY_CYCLESTATE:
- n += sprintf(buf+n, "Battery cyclestate:\t");
- n += sprintf(buf+n, "%s\t", battery_cyclestate[state]);
- have_strings = 1;
- break;
- case BATTERY_CHARGING:
- n += sprintf(buf+n, "Battery Charging:\t");
- n += sprintf(buf+n, "%s\t", battery_charging[state]);
- have_strings = 1;
- break;
- case IBM_SURVEILLANCE:
- n += sprintf(buf+n, "Surveillance:\t");
- break;
- case IBM_FANRPM:
- n += sprintf(buf+n, "Fan (rpm):\t");
- break;
- case IBM_VOLTAGE:
- n += sprintf(buf+n, "Voltage (mv):\t");
- break;
- case IBM_DRCONNECTOR:
- n += sprintf(buf+n, "DR connector:\t");
- n += sprintf(buf+n, "%s\t", ibm_drconnector[state]);
- have_strings = 1;
- break;
- case IBM_POWERSUPPLY:
- n += sprintf(buf+n, "Powersupply:\t");
- break;
- case IBM_INTQUEUE:
- n += sprintf(buf+n, "Interrupt queue:\t");
- n += sprintf(buf+n, "%s\t", ibm_intqueue[state]);
- have_strings = 1;
- break;
- default:
- n += sprintf(buf+n, "Unkown sensor (type %d), ignoring it\n",
- s.token);
- unknown = 1;
- have_strings = 1;
- break;
- }
- if (have_strings == 0) {
- if (temperature) {
- n += sprintf(buf+n, "%4d /%4d\t", state, cel_to_fahr(state));
- } else
- n += sprintf(buf+n, "%10d\t", state);
- }
- if (unknown == 0) {
- n += sprintf ( buf+n, "%s\t", ppc_rtas_process_error(error));
- n += get_location_code(s, buf+n);
- }
- return n;
-}
-
-/* ****************************************************************** */
-
-int check_location (char *c, int idx, char * buf)
-{
- int n = 0;
-
- switch (*(c+idx)) {
- case LOC_PLANAR:
- n += sprintf ( buf, "Planar #%c", *(c+idx+1));
- break;
- case LOC_CPU:
- n += sprintf ( buf, "CPU #%c", *(c+idx+1));
- break;
- case LOC_FAN:
- n += sprintf ( buf, "Fan #%c", *(c+idx+1));
- break;
- case LOC_RACKMOUNTED:
- n += sprintf ( buf, "Rack #%c", *(c+idx+1));
- break;
- case LOC_VOLTAGE:
- n += sprintf ( buf, "Voltage #%c", *(c+idx+1));
- break;
- case LOC_LCD:
- n += sprintf ( buf, "LCD #%c", *(c+idx+1));
- break;
- case '.':
- n += sprintf ( buf, "- %c", *(c+idx+1));
- default:
- n += sprintf ( buf, "Unknown location");
- break;
- }
- return n;
-}
-
-
-/* ****************************************************************** */
-/*
- * Format:
- * ${LETTER}${NUMBER}[[-/]${LETTER}${NUMBER} [ ... ] ]
- * the '.' may be an abbrevation
- */
-int check_location_string (char *c, char *buf)
-{
- int n=0,i=0;
-
- while (c[i]) {
- if (isalpha(c[i]) || c[i] == '.') {
- n += check_location(c, i, buf+n);
- }
- else if (c[i] == '/' || c[i] == '-')
- n += sprintf(buf+n, " at ");
- i++;
- }
- return n;
-}
-
-
-/* ****************************************************************** */
-
-int get_location_code(struct individual_sensor s, char * buffer)
-{
- char rstr[512], tmp[10], tmp2[10];
- int n=0, i=0, llen, len;
- /* char *buf = kmalloc(MAX_LINELENGTH, GFP_KERNEL); */
- char *ret;
-
- static int pos = 0; /* remember position where buffer was */
-
- /* construct the sensor number like 0003 */
- /* fill with zeros */
- n = sprintf(tmp, "%d", s.token);
- len = strlen(tmp);
- while (strlen(tmp) < 4)
- n += sprintf (tmp+n, "0");
-
- /* invert the string */
- while (tmp[i]) {
- if (i<len)
- tmp2[4-len+i] = tmp[i];
- else
- tmp2[3-i] = tmp[i];
- i++;
- }
- tmp2[4] = '\0';
-
- sprintf (rstr, SENSOR_PREFIX"%s", tmp2);
-
- ret = (char *) get_property(rtas, rstr, &llen);
-
- n=0;
- if (ret[0] == '\0')
- n += sprintf ( buffer+n, "--- ");/* does not have a location */
- else {
- char t[50];
- ret += pos;
-
- n += check_location_string(ret, buffer + n);
- n += sprintf ( buffer+n, " ");
- /* see how many characters we have printed */
- sprintf ( t, "%s ", ret);
-
- pos += strlen(t);
- if (pos >= llen) pos=0;
- }
- return n;
-}
-/* ****************************************************************** */
-/* INDICATORS - Tone Frequency */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_freq_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos)
-{
- unsigned long freq;
- char *dest;
- int error;
- freq = simple_strtoul(buf, &dest, 10);
- if (*dest != '\0' && *dest != '\n') {
- printk("ppc_rtas_tone_freq_write: Invalid tone freqency\n");
- return count;
- }
- if (freq < 0) freq = 0;
- rtas_tone_frequency = freq; /* save it for later */
- error = call_rtas("set-indicator", 3, 1, NULL,
- TONE_FREQUENCY, 0, freq);
- if (error != 0)
- printk(KERN_WARNING "error: setting tone frequency returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_freq_read(struct file * file, char * buf,
- size_t count, loff_t *ppos)
-{
- int n;
- n = sprintf(buf, "%lu\n", rtas_tone_frequency);
-
- if (*ppos >= strlen(buf))
- return 0;
- if (n > strlen(buf) - *ppos)
- n = strlen(buf) - *ppos;
- if (n > count)
- n = count;
- *ppos += n;
- return n;
-}
-/* ****************************************************************** */
-/* INDICATORS - Tone Volume */
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_volume_write(struct file * file, const char * buf,
- size_t count, loff_t *ppos)
-{
- unsigned long volume;
- char *dest;
- int error;
- volume = simple_strtoul(buf, &dest, 10);
- if (*dest != '\0' && *dest != '\n') {
- printk("ppc_rtas_tone_volume_write: Invalid tone volume\n");
- return count;
- }
- if (volume < 0) volume = 0;
- if (volume > 100) volume = 100;
-
- rtas_tone_volume = volume; /* save it for later */
- error = call_rtas("set-indicator", 3, 1, NULL,
- TONE_VOLUME, 0, volume);
- if (error != 0)
- printk(KERN_WARNING "error: setting tone volume returned: %s\n",
- ppc_rtas_process_error(error));
- return count;
-}
-/* ****************************************************************** */
-static ssize_t ppc_rtas_tone_volume_read(struct file * file, char * buf,
- size_t count, loff_t *ppos)
-{
- int n;
- n = sprintf(buf, "%lu\n", rtas_tone_volume);
-
- if (*ppos >= strlen(buf))
- return 0;
- if (n > strlen(buf) - *ppos)
- n = strlen(buf) - *ppos;
- if (n > count)
- n = count;
- *ppos += n;
- return n;
-}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)