| /linux/include/linux/ |
| H A D | clocksource.h | 2 /* linux/include/linux/clocksource.h
6 * If you are not a clocksource, or timekeeping code, you should
25 struct clocksource;
30 #include <asm/clocksource.h>
33 #include <vdso/clocksource.h>
36 * struct clocksource - hardware abstraction for a free running counter
40 * @read: Returns a cycle value, passes clocksource as argument
45 * @max_idle_ns: Maximum idle time permitted by the clocksource (nsecs)
53 * @name: Pointer to clocksource name
55 * @freq_khz: Clocksource frequency in khz.
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| /linux/kernel/time/ |
| H A D | clocksource.c | 3 * This file contains the functions which manage clocksource drivers.
11 #include <linux/clocksource.h>
23 static void clocksource_enqueue(struct clocksource *cs);
25 static noinline u64 cycles_to_nsec_safe(struct clocksource *cs, u64 start, u64 end) in cycles_to_nsec_safe()
90 /*[Clocksource internal variables]---------
92 * currently selected clocksource.
100 * Name of the user-specified clocksource.
102 static struct clocksource *curr_clocksource;
103 static struct clocksource *suspend_clocksource;
123 * clocksource surrounding a read of the clocksource being validated.
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| H A D | clocksource-wdtest.c | 3 * Unit test for the clocksource watchdog.
12 #include <linux/clocksource.h>
25 MODULE_DESCRIPTION("Clocksource watchdog unit test");
35 static u64 wdtest_jiffies_read(struct clocksource *cs) in wdtest_jiffies_read()
40 static struct clocksource clocksource_wdtest_jiffies = {
55 static u64 wdtest_ktime_read(struct clocksource *cs) in wdtest_ktime_read()
73 static void wdtest_ktime_cs_mark_unstable(struct clocksource *cs) in wdtest_ktime_cs_mark_unstable()
75 pr_info("--- Marking %s unstable due to clocksource watchdog.\n", cs->name); in wdtest_ktime_cs_mark_unstable()
83 static struct clocksource clocksource_wdtest_ktime = {
93 /* Reset the clocksource i
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| H A D | jiffies.c | 3 * This file contains the jiffies based clocksource.
7 #include <linux/clocksource.h>
16 static u64 jiffies_read(struct clocksource *cs) in jiffies_read()
22 * The Jiffies based clocksource is the lowest common
32 static struct clocksource clocksource_jiffies = {
71 struct clocksource * __init __weak clocksource_default_clock(void) in clocksource_default_clock()
76 static struct clocksource refined_jiffies;
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| H A D | timekeeping.c | 17 #include <linux/clocksource.h>
78 static u64 dummy_clock_read(struct clocksource *cs) in dummy_clock_read()
85 static struct clocksource dummy_clock = {
93 * and shift=0. When the first proper clocksource is installed then
210 * tk_clock_read - atomic clocksource read() helper
215 * the tkr's clocksource may change between the read reference, and the
217 * the wrong clocksource is passed to the wrong read function.
224 struct clocksource *clock = READ_ONCE(tkr->clock); in tk_clock_read()
230 * tk_setup_internals - Set up internals to use clocksource clock.
233 * @clock: Pointer to clocksource.
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| /linux/drivers/clocksource/ |
| H A D | mmio.c | 3 * Generic MMIO clocksource support
5 #include <linux/clocksource.h>
12 struct clocksource clksrc;
15 static inline struct clocksource_mmio *to_mmio_clksrc(struct clocksource *c) in to_mmio_clksrc()
20 u64 clocksource_mmio_readl_up(struct clocksource *c) in clocksource_mmio_readl_up()
25 u64 clocksource_mmio_readl_down(struct clocksource *c) in clocksource_mmio_readl_down()
30 u64 clocksource_mmio_readw_up(struct clocksource *c) in clocksource_mmio_readw_up()
35 u64 clocksource_mmio_readw_down(struct clocksource *c) in clocksource_mmio_readw_down()
41 * clocksource_mmio_init - Initialize a simple mmio based clocksource
43 * @name: Name of the clocksource
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| H A D | timer-vt8500.c | 17 #include <linux/clocksource.h>
43 static u64 vt8500_timer_read(struct clocksource *cs) in vt8500_timer_read()
53 static struct clocksource clocksource = { variable
65 u64 alarm = clocksource.read(&clocksource) + cycles; in vt8500_timer_set_next_event()
71 if ((signed)(alarm - clocksource.read(&clocksource)) <= MIN_OSCR_DELTA) in vt8500_timer_set_next_event()
126 ret = clocksource_register_hz(&clocksource, VT8500_TIMER_HZ); in vt8500_timer_init()
129 __func__, clocksource.name); in vt8500_timer_init()
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| H A D | hyperv_timer.c | 4 * Clocksource driver for the synthetic counter and timers
17 #include <linux/clocksource.h>
25 #include <clocksource/hyperv_timer.h>
43 * interrupts are enabled for other clocksource drivers.
148 * as a better clocksource and it's challenging to mark the Hyper-V in hv_stimer_init()
332 * clocksource driver just to set the sint in the legacy case. in hv_stimer_legacy_init()
441 static u64 notrace read_hv_clock_tsc_cs(struct clocksource *arg) in read_hv_clock_tsc_cs()
452 static void suspend_hv_clock_tsc(struct clocksource *arg) in suspend_hv_clock_tsc()
463 static void resume_hv_clock_tsc(struct clocksource *arg) in resume_hv_clock_tsc()
486 static int hv_cs_enable(struct clocksource *cs) in hv_cs_enable()
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| H A D | timer-pistachio.c | 3 * Pistachio clocksource based on general-purpose timers
11 #include <linux/clocksource.h>
48 struct clocksource cs;
68 pistachio_clocksource_read_cycles(struct clocksource *cs) in pistachio_clocksource_read_cycles()
93 static void pistachio_clksrc_set_mode(struct clocksource *cs, int timeridx, in pistachio_clksrc_set_mode()
108 static void pistachio_clksrc_enable(struct clocksource *cs, int timeridx) in pistachio_clksrc_enable()
118 static void pistachio_clksrc_disable(struct clocksource *cs, int timeridx) in pistachio_clksrc_disable()
124 static int pistachio_clocksource_enable(struct clocksource *cs) in pistachio_clocksource_enable()
130 static void pistachio_clocksource_disable(struct clocksource *cs) in pistachio_clocksource_disable()
202 /* Disable irq's for clocksource usage */ in pistachio_clksrc_of_init()
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| H A D | timer-ti-32k.c | 7 * Update to use new clocksource/clockevent layers
31 #include <linux/clocksource.h>
36 * 32KHz clocksource ... always available, on pretty most chips except
50 struct clocksource cs;
53 static inline struct ti_32k *to_ti_32k(struct clocksource *cs) in to_ti_32k()
58 static u64 notrace ti_32k_read_cycles(struct clocksource *cs) in ti_32k_read_cycles()
152 pr_info("OMAP clocksource: 32k_counter at 32768 Hz\n"); in ti_32k_timer_init()
156 pr_err("32k_counter: can't register clocksource\n"); in ti_32k_timer_init()
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| H A D | timer-atmel-pit.c | 7 * Converted to ClockSource/ClockEvents by David Brownell.
40 struct clocksource clksrc;
49 static inline struct pit_data *clksrc_to_pit_data(struct clocksource *clksrc) in clksrc_to_pit_data()
70 * Clocksource: just a monotonic counter of MCK/16 cycles.
73 static u64 read_pit_clk(struct clocksource *cs) in read_pit_clk()
94 /* disable irq, leaving the clocksource active */ in pit_clkevt_shutdown()
106 /* update clocksource counter */ in pit_clkevt_set_periodic()
164 * Set up both clocksource and clockevent support.
217 * Register clocksource. The high order bits of PIV are unused, in at91sam926x_pit_dt_init()
229 pr_err("Failed to register clocksource\n"); in at91sam926x_pit_dt_init()
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| H A D | timer-goldfish.c | 5 #include <linux/clocksource.h>
10 #include <clocksource/timer-goldfish.h>
13 struct clocksource cs;
24 static struct goldfish_timer *cs_to_gf(struct clocksource *cs) in cs_to_gf()
29 static u64 goldfish_timer_read(struct clocksource *cs) in goldfish_timer_read()
131 timerdrv->cs = (struct clocksource){ in goldfish_timer_init()
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| H A D | arc_timer.c | 9 * We've designated TIMER0 for clockevents and TIMER1 for clocksource
19 #include <linux/clocksource.h>
58 static u64 arc_read_gfrc(struct clocksource *cs) in arc_read_gfrc()
95 static struct clocksource arc_counter_gfrc = {
110 pr_warn("Global-64-bit-Ctr clocksource not detected\n"); in arc_cs_setup_gfrc()
128 static u64 arc_read_rtc(struct clocksource *cs) in arc_read_rtc()
153 static struct clocksource arc_counter_rtc = {
168 pr_warn("Local-64-bit-Ctr clocksource not detected\n"); in arc_cs_setup_rtc()
196 static u64 arc_read_timer1(struct clocksource *cs) in arc_read_timer1()
206 static struct clocksource arc_counter_timer1 = {
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| H A D | acpi_pm.c | 3 * linux/drivers/clocksource/acpi_pm.c
5 * This file contains the ACPI PM based clocksource.
19 #include <linux/clocksource.h>
79 static void acpi_pm_suspend(struct clocksource *cs) in acpi_pm_suspend()
85 static void acpi_pm_resume(struct clocksource *cs) in acpi_pm_resume()
91 static u64 acpi_pm_read(struct clocksource *cs) in acpi_pm_read()
96 static struct clocksource clocksource_acpi_pm = {
116 static u64 acpi_pm_read_slow(struct clocksource *cs) in acpi_pm_read_slow()
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| H A D | ingenic-ost.c | 10 #include <linux/clocksource.h>
39 struct clocksource cs;
56 static u64 notrace ingenic_ost_clocksource_readl(struct clocksource *cs) in ingenic_ost_clocksource_readl()
61 static u64 notrace ingenic_ost_clocksource_readh(struct clocksource *cs) in ingenic_ost_clocksource_readh()
71 struct clocksource *cs; in ingenic_ost_probe()
127 dev_err(dev, "clocksource registration failed"); in ingenic_ost_probe()
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| H A D | scx200_hrt.c | 5 * This is a clocksource driver for the Geode SCx200's 1 or 27 MHz
15 #include <linux/clocksource.h>
42 static u64 read_hrt(struct clocksource *cs) in read_hrt()
48 static struct clocksource cs_hrt = {
88 MODULE_DESCRIPTION("clocksource on SCx200 HiRes Timer");
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| H A D | sh_tmu.c | 10 #include <linux/clocksource.h>
47 struct clocksource cs;
248 static struct sh_tmu_channel *cs_to_sh_tmu(struct clocksource *cs) in cs_to_sh_tmu()
253 static u64 sh_tmu_clocksource_read(struct clocksource *cs) in sh_tmu_clocksource_read()
260 static int sh_tmu_clocksource_enable(struct clocksource *cs) in sh_tmu_clocksource_enable()
275 static void sh_tmu_clocksource_disable(struct clocksource *cs) in sh_tmu_clocksource_disable()
286 static void sh_tmu_clocksource_suspend(struct clocksource *cs) in sh_tmu_clocksource_suspend()
299 static void sh_tmu_clocksource_resume(struct clocksource *cs) in sh_tmu_clocksource_resume()
315 struct clocksource *cs = &ch->cs; in sh_tmu_register_clocksource()
439 bool clockevent, bool clocksource) in sh_tmu_register() argument
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| H A D | clksrc_st_lpc.c | 3 * Clocksource using the Low Power Timer found in the Low Power Controller (LPC)
12 #include <linux/clocksource.h>
58 pr_err("clksrc-st-lpc: Failed to register clocksource\n"); in st_clksrc_init()
102 /* LPC can either run as a Clocksource or in RTC or WDT mode */ in st_clksrc_of_register()
126 pr_info("clksrc-st-lpc: clocksource initialised - running @ %luHz\n", in st_clksrc_of_register()
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| /linux/arch/mips/alchemy/common/ |
| H A D | time.c | 16 * Clocksource/event using the 32.768kHz-clocked Counter1 ('RTC' in the
18 * counter control register, otherwise the CP0 counter clocksource/event
23 #include <linux/clocksource.h>
35 static u64 au1x_counter1_read(struct clocksource *cs) in au1x_counter1_read()
40 static struct clocksource au1x_counter1_clocksource = {
83 * has been detected. If so install the rtcmatch2 clocksource, in alchemy_time_init()
116 /* register counter1 clocksource and event device */ in alchemy_time_init()
130 printk(KERN_INFO "Alchemy clocksource installed\n"); in alchemy_time_init()
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| /linux/arch/mips/sgi-ip30/ |
| H A D | ip30-timer.c | 3 * ip30-timer.c: Clocksource/clockevent support for the
11 #include <linux/clocksource.h>
22 static u64 ip30_heart_counter_read(struct clocksource *cs) in ip30_heart_counter_read()
27 struct clocksource ip30_heart_clocksource = {
42 struct clocksource *cs = &ip30_heart_clocksource; in ip30_heart_clocksource_init()
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| /linux/include/clocksource/ |
| H A D | timer-davinci.h | 3 * TI DaVinci clocksource driver
22 * struct davinci_timer_cfg - davinci clocksource driver configuration struct
24 * @irq: clockevent and clocksource interrupt resources
28 * clock half for both clocksource and clockevent and the compare register
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| /linux/arch/arm/mach-footbridge/ |
| H A D | dc21285-timer.c | 9 #include <linux/clocksource.h>
23 static u64 cksrc_dc21285_read(struct clocksource *cs) in cksrc_dc21285_read()
28 static int cksrc_dc21285_enable(struct clocksource *cs) in cksrc_dc21285_enable()
36 static void cksrc_dc21285_disable(struct clocksource *cs) in cksrc_dc21285_disable()
41 static struct clocksource cksrc_dc21285 = {
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| /linux/arch/mips/kernel/ |
| H A D | csrc-bcm1480.c | 5 #include <linux/clocksource.h>
19 static u64 bcm1480_hpt_read(struct clocksource *cs) in bcm1480_hpt_read()
24 struct clocksource bcm1480_clocksource = {
39 struct clocksource *cs = &bcm1480_clocksource; in sb1480_clocksource_init()
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| H A D | csrc-ioasic.c | 3 * DEC I/O ASIC's counter clocksource
7 #include <linux/clocksource.h>
16 static u64 dec_ioasic_hpt_read(struct clocksource *cs) in dec_ioasic_hpt_read()
21 static struct clocksource clocksource_dec = {
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| H A D | csrc-sb1250.c | 5 #include <linux/clocksource.h>
35 static u64 sb1250_hpt_read(struct clocksource *cs) in sb1250_hpt_read()
40 struct clocksource bcm1250_clocksource = {
55 struct clocksource *cs = &bcm1250_clocksource; in sb1250_clocksource_init()
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