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Searched refs:period (Results 1 – 25 of 46) sorted by relevance

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/arch/m68k/atari/
Datasound.c60 int period; in atari_mksound() local
75 period = PSG_FREQ / hz; in atari_mksound()
77 if (period > 0xfff) period = 0xfff; in atari_mksound()
81 sound_ym.wd_data = period & 0xff; in atari_mksound()
83 sound_ym.wd_data = (period >> 8) & 0xf; in atari_mksound()
/arch/m68k/amiga/
Damisound.c82 unsigned long period = (clock_constant / hz); in amiga_mksound() local
84 if (period < amiga_audio_min_period) in amiga_mksound()
85 period = amiga_audio_min_period; in amiga_mksound()
86 if (period > MAX_PERIOD) in amiga_mksound()
87 period = MAX_PERIOD; in amiga_mksound()
92 custom.aud[2].audper = (unsigned short)period; in amiga_mksound()
/arch/microblaze/kernel/
Dheartbeat.c22 static unsigned int cnt, period, dist; in heartbeat() local
30 if (++cnt > period) { in heartbeat()
38 period = ((672 << FSHIFT) / (5 * avenrun[0] + in heartbeat()
40 dist = period / 4; in heartbeat()
/arch/m68k/kernel/
Dtime.c46 static unsigned cnt = 0, period = 0, dist = 0; in timer_interrupt() local
53 if (++cnt > period) { in timer_interrupt()
59 period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; in timer_interrupt()
60 dist = period / 4; in timer_interrupt()
/arch/powerpc/platforms/52xx/
Dmpc52xx_gpt.c396 static int mpc52xx_gpt_do_start(struct mpc52xx_gpt_priv *gpt, u64 period, in mpc52xx_gpt_do_start() argument
416 clocks = period * (u64)gpt->ipb_freq; in mpc52xx_gpt_do_start()
466 int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period, in mpc52xx_gpt_start_timer() argument
469 return mpc52xx_gpt_do_start(gpt, period, continuous, 0); in mpc52xx_gpt_start_timer()
504 u64 period; in mpc52xx_gpt_timer_period() local
509 period = in_be32(&gpt->regs->count); in mpc52xx_gpt_timer_period()
512 prescale = period >> 16; in mpc52xx_gpt_timer_period()
513 period &= 0xffff; in mpc52xx_gpt_timer_period()
516 period = period * prescale * 1000000000ULL; in mpc52xx_gpt_timer_period()
517 do_div(period, (u64)gpt->ipb_freq); in mpc52xx_gpt_timer_period()
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/arch/x86/kernel/cpu/
Dperf_event_amd_ibs.c75 s64 period = hwc->sample_period; in perf_event_set_period() local
81 if (unlikely(left <= -period)) { in perf_event_set_period()
82 left = period; in perf_event_set_period()
84 hwc->last_period = period; in perf_event_set_period()
89 left += period; in perf_event_set_period()
91 hwc->last_period = period; in perf_event_set_period()
290 struct hw_perf_event *hwc, u64 *period) in perf_ibs_set_period() argument
295 overflow = perf_event_set_period(hwc, 1<<4, perf_ibs->max_period, period); in perf_ibs_set_period()
369 u64 period; in perf_ibs_start() local
377 perf_ibs_set_period(perf_ibs, hwc, &period); in perf_ibs_start()
[all …]
/arch/arm/mach-spear/
Dtime.c109 u32 period; in clockevent_set_mode() local
119 period = clk_get_rate(gpt_clk) / HZ; in clockevent_set_mode()
120 period >>= CTRL_PRESCALER16; in clockevent_set_mode()
121 writew(period, gpt_base + LOAD(CLKEVT)); in clockevent_set_mode()
/arch/arm/mach-davinci/
Dtime.c93 unsigned long period; member
136 __raw_writel(__raw_readl(t->base + t->tim_off) + t->period, in timer32_config()
147 __raw_writel(t->period, t->base + t->prd_off); in timer32_config()
190 .period = ~0,
301 t->period = cycles; in davinci_set_next_event()
313 t->period = davinci_clock_tick_rate / (HZ); in davinci_set_mode()
/arch/arm/kernel/
Dperf_event.c94 s64 period = hwc->sample_period; in armpmu_event_set_period() local
98 if (unlikely(period != hwc->last_period)) in armpmu_event_set_period()
99 left = period - (hwc->last_period - left); in armpmu_event_set_period()
101 if (unlikely(left <= -period)) { in armpmu_event_set_period()
102 left = period; in armpmu_event_set_period()
104 hwc->last_period = period; in armpmu_event_set_period()
109 left += period; in armpmu_event_set_period()
111 hwc->last_period = period; in armpmu_event_set_period()
/arch/mips/include/asm/mach-jz4740/
Dtimer.h89 static inline void jz4740_timer_set_period(unsigned int timer, uint16_t period) in jz4740_timer_set_period() argument
91 writew(period, jz4740_timer_base + JZ_REG_TIMER_DFR(timer)); in jz4740_timer_set_period()
/arch/metag/kernel/perf/
Dperf_event.c225 s64 period = hwc->sample_period; in metag_pmu_event_set_period() local
229 if (unlikely(period != hwc->last_period)) in metag_pmu_event_set_period()
230 left += period - hwc->last_period; in metag_pmu_event_set_period()
232 if (unlikely(left <= -period)) { in metag_pmu_event_set_period()
233 left = period; in metag_pmu_event_set_period()
235 hwc->last_period = period; in metag_pmu_event_set_period()
240 left += period; in metag_pmu_event_set_period()
242 hwc->last_period = period; in metag_pmu_event_set_period()
/arch/blackfin/kernel/
Dgptimers.c143 void set_gptimer_period(unsigned int timer_id, uint32_t period) in set_gptimer_period() argument
146 bfin_write(&timer_regs[timer_id]->period, period); in set_gptimer_period()
154 return bfin_read(&timer_regs[timer_id]->period); in get_gptimer_period()
/arch/arm/plat-samsung/include/plat/
Ddma-ops.h28 unsigned long period; member
/arch/arm/mach-omap2/
Dtimer.c97 u32 period; in omap2_gp_timer_set_mode() local
103 period = clkev.rate / HZ; in omap2_gp_timer_set_mode()
104 period -= 1; in omap2_gp_timer_set_mode()
107 0xffffffff - period, OMAP_TIMER_POSTED); in omap2_gp_timer_set_mode()
110 0xffffffff - period, OMAP_TIMER_POSTED); in omap2_gp_timer_set_mode()
/arch/alpha/kernel/
Dperf_event.c246 long period = hwc->sample_period; in alpha_perf_event_set_period() local
249 if (unlikely(left <= -period)) { in alpha_perf_event_set_period()
250 left = period; in alpha_perf_event_set_period()
252 hwc->last_period = period; in alpha_perf_event_set_period()
257 left += period; in alpha_perf_event_set_period()
259 hwc->last_period = period; in alpha_perf_event_set_period()
/arch/c6x/platforms/
Dtimer64.c80 static void timer64_config(unsigned long period) in timer64_config() argument
85 soc_writel(period - 1, &timer->prdlo); in timer64_config()
/arch/x86/kvm/
Di8254.h28 s64 period; /* unit: ns */ member
Dlapic.c865 ns = mod_64(ktime_to_ns(remaining), apic->lapic_timer.period); in apic_get_tmcct()
1012 apic->lapic_timer.period = (u64)kvm_apic_get_reg(apic, APIC_TMICT) in start_apic_timer()
1015 if (!apic->lapic_timer.period) in start_apic_timer()
1025 if (apic->lapic_timer.period < min_period) { in start_apic_timer()
1030 apic->lapic_timer.period, min_period); in start_apic_timer()
1031 apic->lapic_timer.period = min_period; in start_apic_timer()
1036 ktime_add_ns(now, apic->lapic_timer.period), in start_apic_timer()
1045 apic->lapic_timer.period, in start_apic_timer()
1047 apic->lapic_timer.period))); in start_apic_timer()
1524 hrtimer_add_expires_ns(&ktimer->timer, ktimer->period); in apic_timer_fn()
Di8254.c111 if (!ps->period) in __kpit_elapsed()
124 elapsed = ps->period - ktime_to_ns(remaining); in __kpit_elapsed()
322 hrtimer_add_expires_ns(&ps->timer, ps->period); in pit_timer_fn()
343 ps->period = interval; in create_pit_timer()
/arch/blackfin/include/asm/
Dgptimers.h252 void set_gptimer_period(unsigned int timer_id, uint32_t period);
297 u32 period; member
/arch/powerpc/perf/
Dcore-fsl-emb.c573 u64 period = event->hw.sample_period; in record_and_restart() local
593 if (period) { in record_and_restart()
595 left += period; in record_and_restart()
597 left = period; in record_and_restart()
/arch/mips/kernel/
Dperf_event_mipsxx.c380 u64 period = hwc->sample_period; in mipspmu_event_set_period() local
383 if (unlikely((left + period) & (1ULL << 63))) { in mipspmu_event_set_period()
385 left = period; in mipspmu_event_set_period()
387 hwc->last_period = period; in mipspmu_event_set_period()
389 } else if (unlikely((left + period) <= period)) { in mipspmu_event_set_period()
391 left += period; in mipspmu_event_set_period()
393 hwc->last_period = period; in mipspmu_event_set_period()
745 data->period = event->hw.last_period; in handle_associated_event()
/arch/arm/plat-samsung/
Ds3c-dma-ops.c85 int len = (param->cap == DMA_CYCLIC) ? param->period : param->len; in s3c_dma_prepare()
Ddma-ops.c92 param->len, param->period, param->direction, in samsung_dmadev_prepare()
/arch/arm64/kernel/
Dperf_event.c155 s64 period = hwc->sample_period; in armpmu_event_set_period() local
158 if (unlikely(left <= -period)) { in armpmu_event_set_period()
159 left = period; in armpmu_event_set_period()
161 hwc->last_period = period; in armpmu_event_set_period()
166 left += period; in armpmu_event_set_period()
168 hwc->last_period = period; in armpmu_event_set_period()

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