^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2000 Tilmann Bitterberg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * (tilmann@bitterberg.de)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * RTAS (Runtime Abstraction Services) stuff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Intention is to provide a clean user interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * to use the RTAS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * TODO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Split off a header file and maybe move it to a different
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * location. Write Documentation on what the /proc/rtas/ entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * actually do.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/sched.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/proc_fs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/ctype.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/bitops.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/rtc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <asm/processor.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <asm/prom.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <asm/rtas.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <asm/machdep.h> /* for ppc_md */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <asm/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* Token for Sensors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define KEY_SWITCH 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define ENCLOSURE_SWITCH 0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define THERMAL_SENSOR 0x0003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define LID_STATUS 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define POWER_SOURCE 0x0005
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define BATTERY_VOLTAGE 0x0006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define BATTERY_REMAINING 0x0007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define BATTERY_PERCENTAGE 0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define EPOW_SENSOR 0x0009
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define BATTERY_CYCLESTATE 0x000a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define BATTERY_CHARGING 0x000b
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) /* IBM specific sensors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define IBM_SURVEILLANCE 0x2328 /* 9000 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define IBM_FANRPM 0x2329 /* 9001 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define IBM_VOLTAGE 0x232a /* 9002 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define IBM_DRCONNECTOR 0x232b /* 9003 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define IBM_POWERSUPPLY 0x232c /* 9004 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /* Status return values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define SENSOR_CRITICAL_HIGH 13
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define SENSOR_WARNING_HIGH 12
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #define SENSOR_NORMAL 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define SENSOR_WARNING_LOW 10
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #define SENSOR_CRITICAL_LOW 9
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define SENSOR_SUCCESS 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #define SENSOR_HW_ERROR -1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define SENSOR_BUSY -2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define SENSOR_NOT_EXIST -3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define SENSOR_DR_ENTITY -9000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /* Location Codes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define LOC_SCSI_DEV_ADDR 'A'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define LOC_SCSI_DEV_LOC 'B'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define LOC_CPU 'C'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define LOC_DISKETTE 'D'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) #define LOC_ETHERNET 'E'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #define LOC_FAN 'F'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) #define LOC_GRAPHICS 'G'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /* reserved / not used 'H' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) #define LOC_IO_ADAPTER 'I'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /* reserved / not used 'J' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #define LOC_KEYBOARD 'K'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) #define LOC_LCD 'L'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) #define LOC_MEMORY 'M'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) #define LOC_NV_MEMORY 'N'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) #define LOC_MOUSE 'O'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) #define LOC_PLANAR 'P'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) #define LOC_OTHER_IO 'Q'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) #define LOC_PARALLEL 'R'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) #define LOC_SERIAL 'S'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) #define LOC_DEAD_RING 'T'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #define LOC_RACKMOUNTED 'U' /* for _u_nit is rack mounted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) #define LOC_VOLTAGE 'V'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) #define LOC_SWITCH_ADAPTER 'W'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) #define LOC_OTHER 'X'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) #define LOC_FIRMWARE 'Y'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) #define LOC_SCSI 'Z'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* Tokens for indicators */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #define TONE_FREQUENCY 0x0001 /* 0 - 1000 (HZ)*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) #define TONE_VOLUME 0x0002 /* 0 - 100 (%) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #define SYSTEM_POWER_STATE 0x0003
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) #define WARNING_LIGHT 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #define DISK_ACTIVITY_LIGHT 0x0005
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) #define HEX_DISPLAY_UNIT 0x0006
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) #define BATTERY_WARNING_TIME 0x0007
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define CONDITION_CYCLE_REQUEST 0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define SURVEILLANCE_INDICATOR 0x2328 /* 9000 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define DR_ACTION 0x2329 /* 9001 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define DR_INDICATOR 0x232a /* 9002 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /* 9003 - 9004: Vendor specific */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* 9006 - 9999: Vendor specific */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /* other */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define MAX_SENSORS 17 /* I only know of 17 sensors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) #define MAX_LINELENGTH 256
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define SENSOR_PREFIX "ibm,sensor-"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define cel_to_fahr(x) ((x*9/5)+32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct individual_sensor {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) unsigned int token;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) unsigned int quant;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct rtas_sensors {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct individual_sensor sensor[MAX_SENSORS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) unsigned int quant;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) /* Globals */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) static struct rtas_sensors sensors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static struct device_node *rtas_node = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static unsigned long power_on_time = 0; /* Save the time the user set */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static char progress_led[MAX_LINELENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) static unsigned long rtas_tone_frequency = 1000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static unsigned long rtas_tone_volume = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) /* Declarations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) static int ppc_rtas_sensors_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static int ppc_rtas_clock_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) static ssize_t ppc_rtas_clock_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) const char __user *buf, size_t count, loff_t *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) static int ppc_rtas_progress_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static ssize_t ppc_rtas_progress_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) const char __user *buf, size_t count, loff_t *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static int ppc_rtas_poweron_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static ssize_t ppc_rtas_poweron_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) const char __user *buf, size_t count, loff_t *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) static ssize_t ppc_rtas_tone_freq_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) const char __user *buf, size_t count, loff_t *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static int ppc_rtas_tone_freq_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static ssize_t ppc_rtas_tone_volume_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) const char __user *buf, size_t count, loff_t *ppos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) static int ppc_rtas_tone_volume_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static int ppc_rtas_rmo_buf_show(struct seq_file *m, void *v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static int poweron_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return single_open(file, ppc_rtas_poweron_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) static const struct proc_ops ppc_rtas_poweron_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .proc_open = poweron_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .proc_write = ppc_rtas_poweron_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) static int progress_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return single_open(file, ppc_rtas_progress_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) static const struct proc_ops ppc_rtas_progress_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .proc_open = progress_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) .proc_write = ppc_rtas_progress_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static int clock_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) return single_open(file, ppc_rtas_clock_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) static const struct proc_ops ppc_rtas_clock_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .proc_open = clock_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .proc_write = ppc_rtas_clock_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static int tone_freq_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) return single_open(file, ppc_rtas_tone_freq_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) static const struct proc_ops ppc_rtas_tone_freq_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .proc_open = tone_freq_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .proc_write = ppc_rtas_tone_freq_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static int tone_volume_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) return single_open(file, ppc_rtas_tone_volume_show, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) static const struct proc_ops ppc_rtas_tone_volume_proc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .proc_open = tone_volume_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) .proc_read = seq_read,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) .proc_lseek = seq_lseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) .proc_write = ppc_rtas_tone_volume_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .proc_release = single_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) static int ppc_rtas_find_all_sensors(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static void ppc_rtas_process_sensor(struct seq_file *m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) struct individual_sensor *s, int state, int error, const char *loc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) static char *ppc_rtas_process_error(int error);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) static void get_location_code(struct seq_file *m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) struct individual_sensor *s, const char *loc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) static void check_location_string(struct seq_file *m, const char *c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) static void check_location(struct seq_file *m, const char *c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static int __init proc_rtas_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) if (!machine_is(pseries))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) rtas_node = of_find_node_by_name(NULL, "rtas");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) if (rtas_node == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) proc_create("powerpc/rtas/progress", 0644, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) &ppc_rtas_progress_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) proc_create("powerpc/rtas/clock", 0644, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) &ppc_rtas_clock_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) proc_create("powerpc/rtas/poweron", 0644, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) &ppc_rtas_poweron_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) proc_create_single("powerpc/rtas/sensors", 0444, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) ppc_rtas_sensors_show);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) proc_create("powerpc/rtas/frequency", 0644, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) &ppc_rtas_tone_freq_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) proc_create("powerpc/rtas/volume", 0644, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) &ppc_rtas_tone_volume_proc_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) proc_create_single("powerpc/rtas/rmo_buffer", 0400, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) ppc_rtas_rmo_buf_show);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) __initcall(proc_rtas_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) static int parse_number(const char __user *p, size_t count, u64 *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) char buf[40];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) char *end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) if (count > 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) if (copy_from_user(buf, p, count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) buf[count] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) *val = simple_strtoull(buf, &end, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) if (*end && *end != '\n')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) /* POWER-ON-TIME */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static ssize_t ppc_rtas_poweron_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) const char __user *buf, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) struct rtc_time tm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) time64_t nowtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) int error = parse_number(buf, count, &nowtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) power_on_time = nowtime; /* save the time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) rtc_time64_to_tm(nowtime, &tm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) error = rtas_call(rtas_token("set-time-for-power-on"), 7, 1, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) tm.tm_hour, tm.tm_min, tm.tm_sec, 0 /* nano */);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) printk(KERN_WARNING "error: setting poweron time returned: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) ppc_rtas_process_error(error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) static int ppc_rtas_poweron_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (power_on_time == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) seq_printf(m, "Power on time not set\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) seq_printf(m, "%lu\n",power_on_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /* PROGRESS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) static ssize_t ppc_rtas_progress_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) const char __user *buf, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) unsigned long hex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) if (count >= MAX_LINELENGTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) count = MAX_LINELENGTH -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (copy_from_user(progress_led, buf, count)) { /* save the string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) progress_led[count] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) /* Lets see if the user passed hexdigits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) hex = simple_strtoul(progress_led, NULL, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) rtas_progress ((char *)progress_led, hex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) /* clear the line */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) /* rtas_progress(" ", 0xffff);*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static int ppc_rtas_progress_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (progress_led[0])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) seq_printf(m, "%s\n", progress_led);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) /* CLOCK */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) static ssize_t ppc_rtas_clock_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) const char __user *buf, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) struct rtc_time tm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) time64_t nowtime;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) int error = parse_number(buf, count, &nowtime);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) rtc_time64_to_tm(nowtime, &tm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) error = rtas_call(rtas_token("set-time-of-day"), 7, 1, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) tm.tm_hour, tm.tm_min, tm.tm_sec, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) printk(KERN_WARNING "error: setting the clock returned: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) ppc_rtas_process_error(error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) static int ppc_rtas_clock_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) int ret[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) int error = rtas_call(rtas_token("get-time-of-day"), 0, 8, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) if (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) printk(KERN_WARNING "error: reading the clock returned: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) ppc_rtas_process_error(error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) seq_printf(m, "0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) unsigned int year, mon, day, hour, min, sec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) year = ret[0]; mon = ret[1]; day = ret[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) hour = ret[3]; min = ret[4]; sec = ret[5];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) seq_printf(m, "%lld\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) mktime64(year, mon, day, hour, min, sec));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) /* SENSOR STUFF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) static int ppc_rtas_sensors_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) int i,j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) int state, error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) int get_sensor_state = rtas_token("get-sensor-state");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) seq_printf(m, "RTAS (RunTime Abstraction Services) Sensor Information\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) seq_printf(m, "Sensor\t\tValue\t\tCondition\tLocation\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) seq_printf(m, "********************************************************\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) if (ppc_rtas_find_all_sensors() != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) seq_printf(m, "\nNo sensors are available\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) for (i=0; i<sensors.quant; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) struct individual_sensor *p = &sensors.sensor[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) char rstr[64];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) const char *loc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) int llen, offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) sprintf (rstr, SENSOR_PREFIX"%04d", p->token);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) loc = of_get_property(rtas_node, rstr, &llen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) /* A sensor may have multiple instances */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) for (j = 0, offs = 0; j <= p->quant; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) error = rtas_call(get_sensor_state, 2, 2, &state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) p->token, j);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) ppc_rtas_process_sensor(m, p, state, error, loc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) seq_putc(m, '\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) if (loc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) offs += strlen(loc) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) loc += strlen(loc) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (offs >= llen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) loc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) static int ppc_rtas_find_all_sensors(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) const unsigned int *utmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) int len, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) utmp = of_get_property(rtas_node, "rtas-sensors", &len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) if (utmp == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) printk (KERN_ERR "error: could not get rtas-sensors\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) sensors.quant = len / 8; /* int + int */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) for (i=0; i<sensors.quant; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) sensors.sensor[i].token = *utmp++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) sensors.sensor[i].quant = *utmp++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) * Builds a string of what rtas returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) static char *ppc_rtas_process_error(int error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) switch (error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) case SENSOR_CRITICAL_HIGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) return "(critical high)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) case SENSOR_WARNING_HIGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return "(warning high)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) case SENSOR_NORMAL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) return "(normal)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) case SENSOR_WARNING_LOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) return "(warning low)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) case SENSOR_CRITICAL_LOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) return "(critical low)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) case SENSOR_SUCCESS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) return "(read ok)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) case SENSOR_HW_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) return "(hardware error)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) case SENSOR_BUSY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) return "(busy)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) case SENSOR_NOT_EXIST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) return "(non existent)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) case SENSOR_DR_ENTITY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) return "(dr entity removed)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) return "(UNKNOWN)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) * Builds a string out of what the sensor said
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) static void ppc_rtas_process_sensor(struct seq_file *m,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) struct individual_sensor *s, int state, int error, const char *loc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /* Defined return vales */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) const char * key_switch[] = { "Off\t", "Normal\t", "Secure\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) "Maintenance" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) const char * enclosure_switch[] = { "Closed", "Open" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) const char * lid_status[] = { " ", "Open", "Closed" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) const char * power_source[] = { "AC\t", "Battery",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) "AC & Battery" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) const char * battery_remaining[] = { "Very Low", "Low", "Mid", "High" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) const char * epow_sensor[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) "EPOW Reset", "Cooling warning", "Power warning",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) "System shutdown", "System halt", "EPOW main enclosure",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) "EPOW power off" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) const char * battery_cyclestate[] = { "None", "In progress",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) "Requested" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) const char * battery_charging[] = { "Charging", "Discharging",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) "No current flow" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) const char * ibm_drconnector[] = { "Empty", "Present", "Unusable",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) "Exchange" };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) int have_strings = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) int num_states = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) int temperature = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) int unknown = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) /* What kind of sensor do we have here? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) switch (s->token) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) case KEY_SWITCH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) seq_printf(m, "Key switch:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) num_states = sizeof(key_switch) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) seq_printf(m, "%s\t", key_switch[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) case ENCLOSURE_SWITCH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) seq_printf(m, "Enclosure switch:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) num_states = sizeof(enclosure_switch) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) seq_printf(m, "%s\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) enclosure_switch[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) case THERMAL_SENSOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) seq_printf(m, "Temp. (C/F):\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) temperature = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) case LID_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) seq_printf(m, "Lid status:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) num_states = sizeof(lid_status) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) seq_printf(m, "%s\t", lid_status[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) case POWER_SOURCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) seq_printf(m, "Power source:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) num_states = sizeof(power_source) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) seq_printf(m, "%s\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) power_source[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) case BATTERY_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) seq_printf(m, "Battery voltage:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) case BATTERY_REMAINING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) seq_printf(m, "Battery remaining:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) num_states = sizeof(battery_remaining) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) if (state < num_states)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) seq_printf(m, "%s\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) battery_remaining[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) case BATTERY_PERCENTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) seq_printf(m, "Battery percentage:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) case EPOW_SENSOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) seq_printf(m, "EPOW Sensor:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) num_states = sizeof(epow_sensor) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) seq_printf(m, "%s\t", epow_sensor[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) case BATTERY_CYCLESTATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) seq_printf(m, "Battery cyclestate:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) num_states = sizeof(battery_cyclestate) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) seq_printf(m, "%s\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) battery_cyclestate[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) case BATTERY_CHARGING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) seq_printf(m, "Battery Charging:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) num_states = sizeof(battery_charging) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) seq_printf(m, "%s\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) battery_charging[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) case IBM_SURVEILLANCE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) seq_printf(m, "Surveillance:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) case IBM_FANRPM:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) seq_printf(m, "Fan (rpm):\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) case IBM_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) seq_printf(m, "Voltage (mv):\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) case IBM_DRCONNECTOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) seq_printf(m, "DR connector:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) num_states = sizeof(ibm_drconnector) / sizeof(char *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) if (state < num_states) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) seq_printf(m, "%s\t",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) ibm_drconnector[state]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) case IBM_POWERSUPPLY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) seq_printf(m, "Powersupply:\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) seq_printf(m, "Unknown sensor (type %d), ignoring it\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) s->token);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) unknown = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) have_strings = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) if (have_strings == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) if (temperature) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) seq_printf(m, "%4d /%4d\t", state, cel_to_fahr(state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) seq_printf(m, "%10d\t", state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) if (unknown == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) seq_printf(m, "%s\t", ppc_rtas_process_error(error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) get_location_code(m, s, loc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) static void check_location(struct seq_file *m, const char *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) switch (c[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) case LOC_PLANAR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) seq_printf(m, "Planar #%c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) case LOC_CPU:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) seq_printf(m, "CPU #%c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) case LOC_FAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) seq_printf(m, "Fan #%c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) case LOC_RACKMOUNTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) seq_printf(m, "Rack #%c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) case LOC_VOLTAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) seq_printf(m, "Voltage #%c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) case LOC_LCD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) seq_printf(m, "LCD #%c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) case '.':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) seq_printf(m, "- %c", c[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) seq_printf(m, "Unknown location");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) * Format:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) * ${LETTER}${NUMBER}[[-/]${LETTER}${NUMBER} [ ... ] ]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) * the '.' may be an abbreviation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) static void check_location_string(struct seq_file *m, const char *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) while (*c) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) if (isalpha(*c) || *c == '.')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) check_location(m, c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) else if (*c == '/' || *c == '-')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) seq_printf(m, " at ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) c++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) static void get_location_code(struct seq_file *m, struct individual_sensor *s,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) const char *loc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) if (!loc || !*loc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) seq_printf(m, "---");/* does not have a location */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) check_location_string(m, loc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) seq_putc(m, ' ');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) /* INDICATORS - Tone Frequency */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) static ssize_t ppc_rtas_tone_freq_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) const char __user *buf, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) u64 freq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) int error = parse_number(buf, count, &freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) rtas_tone_frequency = freq; /* save it for later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) error = rtas_call(rtas_token("set-indicator"), 3, 1, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) TONE_FREQUENCY, 0, freq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) printk(KERN_WARNING "error: setting tone frequency returned: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) ppc_rtas_process_error(error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) static int ppc_rtas_tone_freq_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) seq_printf(m, "%lu\n", rtas_tone_frequency);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) /* INDICATORS - Tone Volume */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) static ssize_t ppc_rtas_tone_volume_write(struct file *file,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) const char __user *buf, size_t count, loff_t *ppos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) u64 volume;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) int error = parse_number(buf, count, &volume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) return error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) if (volume > 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) volume = 100;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) rtas_tone_volume = volume; /* save it for later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) error = rtas_call(rtas_token("set-indicator"), 3, 1, NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) TONE_VOLUME, 0, volume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) if (error)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) printk(KERN_WARNING "error: setting tone volume returned: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) ppc_rtas_process_error(error));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) /* ****************************************************************** */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) static int ppc_rtas_tone_volume_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) seq_printf(m, "%lu\n", rtas_tone_volume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) #define RMO_READ_BUF_MAX 30
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) /* RTAS Userspace access */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) static int ppc_rtas_rmo_buf_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) seq_printf(m, "%016lx %x\n", rtas_rmo_buf, RTAS_RMOBUF_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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