--- /dev/null
+# drivers/staging/samsung/Kconfig
+#
+# Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+# http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+config SEC_EXT
+ bool "Samsung TN extension Feature"
+ default y
+
+config SEC_REBOOT
+ bool "Samsung TM reboot extension Feature"
+ default n
+ help
+ Samsung TN reboot extension Feature. Do additional work when reboot.
+
+config SEC_MISC
+ bool "Samsung TM Misc Feature"
+ default n
+ help
+ Samsung TN Misc extension Feature. Do additional work when Misc.
+
+config SEC_MEM
+ bool "Samsung TM memory information Feature"
+ default n
+ help
+ Samsung TN memory inforamtion Feature, Get information from proc node.
+
+comment "sec sysfs Feature"
+config SEC_SYSFS
+ bool "Samsung sec sysfs Feature"
+ default y
+ depends on SEC_EXT
+ help
+ Samsung sysfs name 'sec' directory create.
+
+comment "Debugging Feature"
+menuconfig SEC_DEBUG
+ bool "Samsung TN Ramdump Feature"
+ default y
+ depends on SEC_EXT
+ help
+ Samsung TN Ramdump Feature. Use INFORM3 and magic number at 0xc0000000.
+
+if SEC_DEBUG
+config SEC_DEBUG_FUPLOAD_DUMP_MORE
+ bool "Dump more information at forced upload"
+ default n
+ help
+ More information is printed out when a forced upload happens.
+ It uses customized dump functions instead of panic call.
+
+config SEC_DEBUG_SCHED_LOG
+ bool "Samsung Scheduler Logging Feature"
+ default n
+ help
+ Samsung Scheduler Logging Feature for Debug use.
+
+config SEC_DEBUG_SOFTIRQ_LOG
+ bool "Samsung Softirq Logging Feature"
+ default n
+ depends on SEC_DEBUG_SCHED_LOG
+ help
+ Samsung Softirq Logging Feature for Debug use.
+ This option enables us to log softirq enter/exit.
+ It is not only hard-irq which results in scheduler lockup,
+ To be more clear we need to see also softirq logs.
+
+config SEC_DEBUG_SCHED_LOG_NONCACHED
+ bool "Samsung Scheduler Logging on noncached buf"
+ depends on SEC_DEBUG_SCHED_LOG
+ default n
+ help
+ This option enables sec_debug_sched_log_noncached support.
+ It can support non-cached sched log in RAM dump and We don't
+ need to concern cache flush status for analyzing sudden
+ lockup issue.
+
+config SEC_DEBUG_TIMER_LOG
+ bool "Samsung Timer Logging Feature"
+ default n
+ help
+ Samsung Timer Logging Feature for Debug use.
+
+config SEC_DEBUG_SEMAPHORE_LOG
+ bool "Samsung Semaphore Logging Feature"
+ default n
+ help
+ Samsung Semaphore Logging Feature for Debug use.
+
+config SEC_DEBUG_USER
+ bool "Panic on Userspace fault"
+ default y
+ help
+ Panic on Userspace fault
+
+config SEC_DEBUG_PM_TEMP
+ bool "Temporary Logging for Sleep/Wakeup Issue"
+ default n
+ help
+ Verbose Log on Sleep/Wakeup.
+
+config SEC_DEBUG_IRQ_EXIT_LOG
+ bool "Temporary Logging for IRQ delay"
+ default n
+ help
+ Verbose Logging for IRQ delay.
+
+config SEC_DEBUG_AUXILIARY_LOG
+ bool "Samsung Auxiliary Logging on noncached buf"
+ default n
+ help
+ This option enables sec_auxiliary_log support.
+ we can log repeated information insuitable for kernel log like DVFS
+ or power domain control information.
+ It can support non-cached auxiliary log in RAM dump and We don't
+ need to concern cache flush status for analyzing sudden
+ system hang issue.
+
+config SEC_DEBUG_FUPLOAD_DUMP_MORE
+ bool "Dump more information at forced upload"
+ default n
+ help
+ More information is printed out when a forced upload happens.
+ It uses customized dump functions instead of panic call.
+
+config SEC_DEBUG_UNHANDLED_FAULT_SAFE
+ bool "No extra dump around registers on unhandled fault"
+ default n
+ help
+ Preventing unhandled fault occur infinitely.
+ Some unhandled fault(eg. external abort) can cause a fault again
+ while accessing memory address of registers.
+
+config SEC_DEBUG_CHECK_TASKPTR_FAULT
+ bool "Pre-check task pointer is valid in page fault"
+ default n
+ help
+ Preventing stack overflow caused by invalid current task pointer.
+
+config SEC_DEBUG_UMP_ALLOC_FAIL
+ bool "Show warning message when UMP allcation fails"
+ default n
+ help
+ When UMP allocation fails there's no way to figure out the reason.
+ For UMP and Mali is supposed to allocate per 1 page,
+ we should take a good look at this failure.
+ This only shows the alloc fail warning.
+
+config SEC_DEBUG_LIST_PANIC
+ bool "Panic when list corruption detected"
+ default n
+ help
+ Panic when list structure corruption detected.
+ Sometimes list corruptions are reported.
+ But it reports only with WARN level.
+ This will immediately stop the system.
+
+config SEC_DEBUG_IOVMM
+ bool "panic when iovmm alloc fails"
+ default n
+ help
+ panic when iovmm allocation fails
+ this will immediately stop the system.
+
+config SEC_FILE_LEAK_DEBUG
+ bool "Panic when file leak detected"
+ default n
+ help
+ Panic when file leak detected.
+
+config SEC_DEBUG_TIMERQUEUE_CORRUPTION
+ bool "Panic when timerqueue corruption detected"
+ default n
+ help
+ Panic when timerqueue corruption detected.
+
+menuconfig SEC_WATCHDOG_RESET
+ bool "exynos5410 watchdog reset to exit from lockup"
+ depends on SOC_EXYNOS5410
+ default n
+ help
+ Use watchdog reset to exit from lockup
+
+if SEC_WATCHDOG_RESET
+config SEC_WATCHDOG_PET_TIME
+ int "sec watchdog kicking time interval value"
+ default 5
+endif
+
+endif
+
+config SEC_LOG
+ default n
+ bool "Enable support for sec_log" if EMBEDDED
+ depends on PRINTK && SEC_EXT
+ help
+ This option enables sec_log support. This provides combined
+ log buffer for both bootloader and kernel. It also preserves
+ previous content before reboot.
+
+config SEC_LOG_NONCACHED
+ default n
+ bool "Enable non cached kernel sec_log support" if EMBEDDED
+ depends on SEC_LOG
+ help
+ This option enables sec_non_cached_klog support. It can
+ support non-cached kernel log in RAM dump and We don't need
+ to concern cache flush status for analyzing sudden lockup
+ issue.
+
+config SEC_LOG_LAST_KMSG
+ default n
+ bool "Enable /proc/last_kmsg support" if EMBEDDED
+ depends on SEC_LOG
+ help
+ This option enables /proc/last_kmsg support.
+
+config SEC_AVC_LOG
+ default n
+ bool "Enable avc audit log support" if EMBEDDED
+ depends on SEC_DEBUG
+ help
+ This option enables additional log buffer for audit log.
+
+config SEC_DEBUG_TSP_LOG
+ default n
+ bool "Enable tsp log support" if EMBEDDED
+ depends on SEC_DEBUG
+ help
+ This option enables additional log buffer for tsp log.
+
+config SEC_DEBUG_TIMA_LOG
+ default y
+ bool "Enable tima log support" if EMBEDDED
+ depends on SEC_DEBUG && TIMA
+ help
+ This option enables additional log buffer for tima log.
+
+config SEC_DEBUG_PMU_LOG
+ default n
+ bool "Enable pmu log support" if EMBEDDED
+ help
+ Samsung PMU Loging Feature for debugging use.
+
+config SEC_DEBUG_CMU_LOG
+ default n
+ bool "Enable cmu log support" if EMBEDDED
+ help
+ Samsung CMU Loging Feature for debugging use.
+
+config SEC_DEBUG_SUBSYS
+ default n
+ bool "Enable summary dump support" if EMBEDDED
+ help
+ Samsung Summary dump Feature for debugging use.
+
+choice
+ prompt "Forced panic type"
+ default SEC_DEBUG_ISR_CRASH
+
+ config SEC_DEBUG_ISR_CRASH
+ bool "Call panic() in ISR context"
+ help
+ Call panic() in ISR context when forced crash keys are pressed.
+
+ config SEC_DEBUG_INPUT_HANDLER_CRASH
+ bool "Call panic() through input handler function"
+ help
+ Call panic() through input handler function when forced crash keys are pressed.
+endchoice
+
+comment "Samsung TN Power Management Options"
+menuconfig SEC_PM
+ bool "Samsung TN Power Management"
+ default y
+ help
+ Samsung TN Power Management.
+
+config SEC_PM_DEBUG
+ bool "Enable Samsung TN Power management debug support"
+ default y
+ depends on SEC_PM
+ help
+ Enable Samsung TN Power management debug support.
--- /dev/null
+#include <linux/device.h>
+#include <linux/err.h>
+
+/* CAUTION : Do not be declared as external sec_class */
+static struct class *sec_class;
+static atomic_t sec_dev;
+
+static int __init sec_class_create(void)
+{
+ sec_class = class_create(THIS_MODULE, "sec");
+ if (IS_ERR(sec_class)) {
+ pr_err("Failed to create class(sec) %ld\n", PTR_ERR(sec_class));
+ return PTR_ERR(sec_class);
+ }
+ return 0;
+}
+
+struct device *sec_device_create(void *drvdata, const char *fmt)
+{
+ struct device *dev;
+
+ if (IS_ERR(sec_class)) {
+ pr_err("Failed to create class(sec) %ld\n", PTR_ERR(sec_class));
+ BUG();
+ }
+
+ if (!sec_class) {
+ pr_err("Not yet created class(sec)!\n");
+ BUG();
+ }
+
+ dev = device_create(sec_class, NULL, atomic_inc_return(&sec_dev),
+ drvdata, fmt);
+ if (IS_ERR(dev))
+ pr_err("Failed to create device %s %ld\n", fmt, PTR_ERR(dev));
+ else
+ pr_debug("%s : %s : %d\n", __func__, fmt, dev->devt);
+
+ return dev;
+}
+EXPORT_SYMBOL(sec_device_create);
+
+void sec_device_destroy(dev_t devt)
+{
+ pr_info("%s : %d\n", __func__, devt);
+ device_destroy(sec_class, devt);
+}
+EXPORT_SYMBOL(sec_device_destroy);
+
+subsys_initcall(sec_class_create);
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commitdiff