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Searched refs:period_ns (Results 1 – 24 of 24) sorted by relevance

/linux/drivers/pwm/
H A Dpwm-lpc18xx-sct.c97 unsigned int period_ns; member
140 static void lpc18xx_pwm_config_period(struct pwm_chip *chip, u64 period_ns) in lpc18xx_pwm_config_period() argument
151 val = mul_u64_u64_div_u64(period_ns, lpc18xx_pwm->clk_rate, NSEC_PER_SEC); in lpc18xx_pwm_config_period()
185 int duty_ns, int period_ns) in lpc18xx_pwm_config() argument
190 if (period_ns < lpc18xx_pwm->min_period_ns || in lpc18xx_pwm_config()
191 period_ns > lpc18xx_pwm->max_period_ns) { in lpc18xx_pwm_config()
192 dev_err(pwmchip_parent(chip), "period %d not in range\n", period_ns); in lpc18xx_pwm_config()
204 if (requested_events > 2 && lpc18xx_pwm->period_ns != period_ns && in lpc18xx_pwm_config()
205 lpc18xx_pwm->period_ns) { in lpc18xx_pwm_config()
211 if ((requested_events <= 2 && lpc18xx_pwm->period_ns != period_ns) || in lpc18xx_pwm_config()
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H A Dpwm-airoha.c133 static u32 airoha_pwm_get_period_ticks_from_ns(u32 period_ns) in airoha_pwm_get_period_ticks_from_ns() argument
135 return period_ns / AIROHA_PWM_PERIOD_TICK_NS; in airoha_pwm_get_period_ticks_from_ns()
138 static u32 airoha_pwm_get_duty_ticks_from_ns(u32 period_ns, u32 duty_ns) in airoha_pwm_get_duty_ticks_from_ns() argument
140 return mul_u64_u32_div(duty_ns, AIROHA_PWM_DUTY_FULL, period_ns); in airoha_pwm_get_duty_ticks_from_ns()
150 u32 period_ns = period_tick * AIROHA_PWM_PERIOD_TICK_NS; in airoha_pwm_get_duty_ns_from_ticks() local
157 return DIV_U64_ROUND_UP(duty_tick * period_ns, AIROHA_PWM_DUTY_FULL); in airoha_pwm_get_duty_ns_from_ticks()
161 u64 *period_ns, u64 *duty_ns) in airoha_pwm_get_bucket() argument
178 *period_ns = airoha_pwm_get_period_ns_from_ticks(period_tick); in airoha_pwm_get_bucket()
509 u32 period_ns, duty_ns; in airoha_pwm_apply() local
526 period_ns = AIROHA_PWM_PERIOD_MAX_NS; in airoha_pwm_apply()
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H A Dpwm-pxa.c68 u64 duty_ns, u64 period_ns) in pxa_pwm_config() argument
78 c = c * period_ns; in pxa_pwm_config()
90 if (duty_ns == period_ns) in pxa_pwm_config()
93 dc = mul_u64_u64_div_u64(pv + 1, duty_ns, period_ns); in pxa_pwm_config()
H A Dpwm-img.c90 int duty_ns, int period_ns) in img_pwm_config() argument
98 if (period_ns < imgchip->min_period_ns || in img_pwm_config()
99 period_ns > imgchip->max_period_ns) { in img_pwm_config()
105 output_clk_hz = DIV_ROUND_UP(NSEC_PER_SEC, period_ns); in img_pwm_config()
126 duty = DIV_ROUND_UP(timebase * duty_ns, period_ns); in img_pwm_config()
H A Dpwm-sprd.c123 int duty_ns, int period_ns) in sprd_pwm_config() argument
139 duty = duty_ns * SPRD_PWM_MOD_MAX / period_ns; in sprd_pwm_config()
141 tmp = (u64)chn->clk_rate * period_ns; in sprd_pwm_config()
H A Dpwm-berlin.c75 u64 duty_ns, u64 period_ns) in berlin_pwm_config() argument
83 cycles *= period_ns; in berlin_pwm_config()
96 do_div(cycles, period_ns); in berlin_pwm_config()
H A Dpwm-vt8500.c72 u64 duty_ns, u64 period_ns) in vt8500_pwm_config() argument
87 c = c * period_ns; in vt8500_pwm_config()
105 dc = div64_u64(c, period_ns); in vt8500_pwm_config()
H A Dpwm-crc.c40 static int crc_pwm_calc_clk_div(int period_ns) in crc_pwm_calc_clk_div() argument
44 clk_div = PWM_BASE_CLK_MHZ * period_ns / (256 * NSEC_PER_USEC); in crc_pwm_calc_clk_div()
H A Dpwm-spear.c76 u64 duty_ns, u64 period_ns) in spear_pwm_config() argument
97 val = clk_rate * period_ns; in spear_pwm_config()
/linux/drivers/gpu/drm/i915/
H A Di915_pmu.c358 static void gen3_engine_sample(struct intel_engine_cs *engine, unsigned int period_ns) in gen3_engine_sample() argument
369 add_sample(&pmu->sample[I915_SAMPLE_WAIT], period_ns); in gen3_engine_sample()
371 add_sample(&pmu->sample[I915_SAMPLE_SEMA], period_ns); in gen3_engine_sample()
390 add_sample(&pmu->sample[I915_SAMPLE_BUSY], period_ns); in gen3_engine_sample()
393 static void gen2_engine_sample(struct intel_engine_cs *engine, unsigned int period_ns) in gen2_engine_sample() argument
403 add_sample(&pmu->sample[I915_SAMPLE_WAIT], period_ns); in gen2_engine_sample()
407 add_sample(&pmu->sample[I915_SAMPLE_BUSY], period_ns); in gen2_engine_sample()
410 static void engine_sample(struct intel_engine_cs *engine, unsigned int period_ns) in engine_sample() argument
413 gen3_engine_sample(engine, period_ns); in engine_sample()
415 gen2_engine_sample(engine, period_ns); in engine_sample()
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/linux/drivers/net/ethernet/marvell/octeontx2/af/
H A Dptp.c120 ktime_t delta_ns, period_ns; in ptp_reset_thresh() local
132 period_ns = ktime_set(0, (NSEC_PER_SEC + 100 - ptp_clock_hi)); in ptp_reset_thresh()
135 period_ns = ktime_set(0, (NSEC_PER_SEC + 100 - delta_ns)); in ptp_reset_thresh()
138 hrtimer_forward_now(hrtimer, period_ns); in ptp_reset_thresh()
146 ktime_t period_ns; in ptp_hrtimer_start() local
148 period_ns = ktime_set(0, (NSEC_PER_SEC + 100 - start_ns)); in ptp_hrtimer_start()
149 hrtimer_start(&ptp->hrtimer, period_ns, HRTIMER_MODE_REL); in ptp_hrtimer_start()
/linux/Documentation/driver-api/backlight/
H A Dlp855x-driver.rst47 * period_ns:
80 .period_ns = 1000000,
/linux/drivers/net/ethernet/renesas/
H A Dravb_ptp.c214 u64 period_ns; in ravb_ptp_perout() local
217 period_ns = req->period.sec * NSEC_PER_SEC + req->period.nsec; in ravb_ptp_perout()
225 if (period_ns > U32_MAX) { in ravb_ptp_perout()
235 perout->period = (u32)period_ns; in ravb_ptp_perout()
/linux/drivers/gpu/drm/panel/
H A Dpanel-novatek-nt35560.c155 int period_ns = 1023; in nt35560_set_brightness() local
168 pwm_ratio = max(((duty_ns * 256) / period_ns) - 1, 1); in nt35560_set_brightness()
170 ((FOSC * period_ns) / 256) / in nt35560_set_brightness()
/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_vkms.h21 ktime_t period_ns; member
/linux/include/xen/interface/
H A Dvcpu.h126 uint64_t period_ns; member
/linux/drivers/net/ethernet/freescale/
H A Dfec_ptp.c531 u64 curr_time, delta, period_ns; in fec_ptp_enable() local
550 period_ns = timespec64_to_ns(&period); in fec_ptp_enable()
555 if (period_ns > FEC_PTP_MAX_NSEC_PERIOD) { in fec_ptp_enable()
560 reload_period = div_u64(period_ns, 2); in fec_ptp_enable()
/linux/drivers/net/dsa/microchip/
H A Dksz_ptp.c762 s64 now_ns, first_ns, period_ns, next_ns; in ksz_ptp_restart_perout() local
779 period_ns = timespec64_to_ns(&ptp_data->perout_period); in ksz_ptp_restart_perout()
782 count = div_u64(now_ns - first_ns, period_ns); in ksz_ptp_restart_perout()
783 next_ns = first_ns + count * period_ns; in ksz_ptp_restart_perout()
790 next_ns += period_ns; in ksz_ptp_restart_perout()
/linux/drivers/comedi/drivers/
H A Dni_tio.c754 unsigned int period_ns) in ni_tio_set_clock_src() argument
803 counter->clock_period_ps = period_ns * 1000; in ni_tio_set_clock_src()
810 unsigned int *period_ns) in ni_tio_get_clock_src() argument
822 *period_ns = temp64; in ni_tio_get_clock_src()
H A Dni_mio_common.c4941 unsigned int period_ns) in ni_mseries_set_pll_master_clock() argument
4955 period_ns = 100; in ni_mseries_set_pll_master_clock()
4960 if (period_ns < min_period_ns || period_ns > max_period_ns) { in ni_mseries_set_pll_master_clock()
4993 retval = ni_mseries_get_pll_parameters(period_ns, in ni_mseries_set_pll_master_clock()
5018 __func__, source, period_ns); in ni_mseries_set_pll_master_clock()
5025 unsigned int source, unsigned int period_ns) in ni_set_master_clock() argument
5046 period_ns); in ni_set_master_clock()
5054 if (period_ns == 0) { in ni_set_master_clock()
5059 devpriv->clock_ns = period_ns; in ni_set_master_clock()
/linux/kernel/sched/ext/
H A Dsub.c637 s64 period_ns; in scx_rescue_set_knobs() local
654 period_ns = div_s64(scx_rescue_quantum_ns << SCHED_CAPACITY_SHIFT, scx_rescue_bw_1024); in scx_rescue_set_knobs()
656 clamp(nsecs_to_jiffies(SCX_RESCUE_OVERLOAD_MULT * period_ns), in scx_rescue_set_knobs()
662 if (nsecs_to_jiffies(period_ns) > scx_rescue_overload_after / 2) in scx_rescue_set_knobs()
664 sch->ops.name, div_s64(period_ns, NSEC_PER_MSEC), in scx_rescue_set_knobs()
/linux/Documentation/driver-api/
H A Dpwm.rst189 Currently a PWM can only be configured with period_ns and duty_ns. For several
/linux/drivers/iio/adc/
H A Dstm32-adc.c2059 u32 period_ns, shift = smpr->shift, mask = smpr->mask; in stm32_adc_smpr_init() local
2071 period_ns = NSEC_PER_SEC / adc->common->rate; in stm32_adc_smpr_init()
2073 if ((period_ns * adc->cfg->smp_cycles[smp]) >= smp_ns) in stm32_adc_smpr_init()
/linux/drivers/ptp/
H A Dptp_ocp.c226 u32 period_ns; member
2404 iowrite32(ts.tv_nsec, &reg->period_ns); in ptp_ocp_signal_enable()