| /kernel/linux/linux-5.10/drivers/pwm/ |
| D | pwm-lpc18xx-sct.c | 97 unsigned int period_ns; member
145 static void lpc18xx_pwm_config_period(struct pwm_chip *chip, int period_ns) in lpc18xx_pwm_config_period() argument
150 val = (u64)period_ns * lpc18xx_pwm->clk_rate; in lpc18xx_pwm_config_period()
182 int duty_ns, int period_ns) in lpc18xx_pwm_config() argument
187 if (period_ns < lpc18xx_pwm->min_period_ns || in lpc18xx_pwm_config()
188 period_ns > lpc18xx_pwm->max_period_ns) { in lpc18xx_pwm_config()
189 dev_err(chip->dev, "period %d not in range\n", period_ns); in lpc18xx_pwm_config()
203 if (requested_events > 2 && lpc18xx_pwm->period_ns != period_ns && in lpc18xx_pwm_config()
204 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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| D | pwm-samsung.c | 65 u32 period_ns; member
304 int duty_ns, int period_ns, bool force_period) in __pwm_samsung_config() argument
315 if (period_ns > NSEC_PER_SEC) in __pwm_samsung_config()
325 if (chan->period_ns != period_ns || force_period) { in __pwm_samsung_config()
329 period = NSEC_PER_SEC / period_ns; in __pwm_samsung_config()
332 duty_ns, period_ns, period); in __pwm_samsung_config()
339 tcnt = period_ns / tin_ns; in __pwm_samsung_config()
377 chan->period_ns = period_ns; in __pwm_samsung_config()
385 int duty_ns, int period_ns) in pwm_samsung_config() argument
387 return __pwm_samsung_config(chip, pwm, duty_ns, period_ns, false); in pwm_samsung_config()
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| D | pwm-pca9685.c | 77 int period_ns; member
250 int duty_ns, int period_ns) in pca9685_pwm_config() argument
257 if (period_ns != pca->period_ns) { in pca9685_pwm_config()
258 prescale = DIV_ROUND_CLOSEST(PCA9685_OSC_CLOCK_MHZ * period_ns, in pca9685_pwm_config()
278 pca->period_ns = period_ns; in pca9685_pwm_config()
297 if (duty_ns == period_ns) { in pca9685_pwm_config()
325 duty = DIV_ROUND_UP_ULL(duty, period_ns); in pca9685_pwm_config()
464 pca->period_ns = PCA9685_DEFAULT_PERIOD; in pca9685_pwm_probe()
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| D | pwm-lp3943.c | 96 int duty_ns, int period_ns) in lp3943_pwm_config() argument
121 period_ns = clamp(period_ns, LP3943_MIN_PERIOD, LP3943_MAX_PERIOD); in lp3943_pwm_config()
122 val = (u8)(period_ns / LP3943_MIN_PERIOD - 1); in lp3943_pwm_config()
128 duty_ns = min(duty_ns, period_ns); in lp3943_pwm_config()
129 val = (u8)(duty_ns * LP3943_MAX_DUTY / period_ns); in lp3943_pwm_config()
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| D | pwm-lpc32xx.c | 30 int duty_ns, int period_ns) in lpc32xx_pwm_config() argument
39 period_cycles = div64_u64(c * period_ns, in lpc32xx_pwm_config()
47 duty_cycles = div64_u64((unsigned long long)(period_ns - duty_ns) * 256, in lpc32xx_pwm_config()
48 period_ns); in lpc32xx_pwm_config()
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| D | pwm-tegra.c | 96 int duty_ns, int period_ns) in tegra_pwm_config() argument
110 c = DIV_ROUND_CLOSEST_ULL(c, period_ns); in tegra_pwm_config()
117 if (period_ns < pc->min_period_ns) in tegra_pwm_config()
146 period_ns); in tegra_pwm_config()
159 hz = DIV_ROUND_CLOSEST_ULL(100ULL * NSEC_PER_SEC, period_ns); in tegra_pwm_config()
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| D | pwm-omap-dmtimer.c | 153 int duty_ns, int period_ns) in pwm_omap_dmtimer_config() argument
162 duty_ns, period_ns); in pwm_omap_dmtimer_config()
165 period_ns == pwm_get_period(pwm)) in pwm_omap_dmtimer_config()
198 period_cycles = pwm_omap_dmtimer_get_clock_cycles(clk_rate, period_ns); in pwm_omap_dmtimer_config()
204 period_ns, clk_rate); in pwm_omap_dmtimer_config()
217 duty_ns, period_ns, clk_rate); in pwm_omap_dmtimer_config()
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| D | pwm-pxa.c | 61 int duty_ns, int period_ns) in pxa_pwm_config() argument
72 c = c * period_ns; in pxa_pwm_config()
84 if (duty_ns == period_ns) in pxa_pwm_config()
87 dc = (pv + 1) * duty_ns / period_ns; in pxa_pwm_config()
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| D | pwm-fsl-ftm.c | 133 unsigned int period_ns, in fsl_pwm_calculate_period_clk() argument
142 c = c * period_ns; in fsl_pwm_calculate_period_clk()
160 unsigned int period_ns, in fsl_pwm_calculate_period() argument
167 ret = fsl_pwm_calculate_period_clk(fpc, period_ns, FSL_PWM_CLK_SYS, in fsl_pwm_calculate_period()
183 ret = fsl_pwm_calculate_period_clk(fpc, period_ns, m0, periodcfg); in fsl_pwm_calculate_period()
187 return fsl_pwm_calculate_period_clk(fpc, period_ns, m1, periodcfg); in fsl_pwm_calculate_period()
196 unsigned int period_ns = fsl_pwm_ticks_to_ns(fpc, period); in fsl_pwm_calculate_duty() local
199 do_div(duty, period_ns); in fsl_pwm_calculate_duty()
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| D | pwm-rcar.c | 73 static int rcar_pwm_get_clock_division(struct rcar_pwm_chip *rp, int period_ns) in rcar_pwm_get_clock_division() argument
82 tmp = (u64)period_ns * clk_rate + div - 1; in rcar_pwm_get_clock_division()
107 int period_ns) in rcar_pwm_set_counter() argument
116 tmp = period_ns * 100ULL; in rcar_pwm_set_counter()
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| D | pwm-stmpe.c | 100 int duty_ns, int period_ns) in stmpe_24xx_pwm_config() argument
153 pwm->hwpwm, duty_ns, period_ns); in stmpe_24xx_pwm_config()
163 } else if (duty_ns == period_ns) { in stmpe_24xx_pwm_config()
187 duty = DIV_ROUND_CLOSEST(duty, period_ns); in stmpe_24xx_pwm_config()
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| D | pwm-img.c | 93 int duty_ns, int period_ns) in img_pwm_config() argument
101 if (period_ns < pwm_chip->min_period_ns || in img_pwm_config()
102 period_ns > pwm_chip->max_period_ns) { in img_pwm_config()
108 output_clk_hz = DIV_ROUND_UP(NSEC_PER_SEC, period_ns); in img_pwm_config()
129 duty = DIV_ROUND_UP(timebase * duty_ns, period_ns); in img_pwm_config()
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| D | pwm-ep93xx.c | 62 int duty_ns, int period_ns) in ep93xx_pwm_config() argument
83 c *= period_ns; in ep93xx_pwm_config()
89 do_div(c, period_ns); in ep93xx_pwm_config()
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| D | pwm-twl-led.c | 59 int duty_ns, int period_ns) in twl4030_pwmled_config() argument
61 int duty_cycle = DIV_ROUND_UP(duty_ns * TWL4030_LED_MAX, period_ns) + 1; in twl4030_pwmled_config()
141 int duty_ns, int period_ns) in twl6030_pwmled_config() argument
143 int duty_cycle = (duty_ns * TWL6030_LED_MAX) / period_ns; in twl6030_pwmled_config()
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| D | pwm-mediatek.c | 122 int duty_ns, int period_ns) in pwm_mediatek_config() argument
139 cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, resolution); in pwm_mediatek_config()
143 cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, in pwm_mediatek_config()
149 dev_err(chip->dev, "period %d not supported\n", period_ns); in pwm_mediatek_config()
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| D | pwm-brcmstb.c | 98 int duty_ns, int period_ns) in brcmstb_pwm_config() argument
110 if (duty_ns == period_ns) { in brcmstb_pwm_config()
126 tmp = period_ns * rate; in brcmstb_pwm_config()
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| D | pwm-sprd.c | 120 int duty_ns, int period_ns) in sprd_pwm_config() argument
136 duty = duty_ns * SPRD_PWM_MOD_MAX / period_ns; in sprd_pwm_config()
138 tmp = (u64)chn->clk_rate * period_ns; in sprd_pwm_config()
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| D | pwm-mtk-disp.c | 70 int duty_ns, int period_ns) in mtk_disp_pwm_config() argument
101 clk_div = div_u64(rate * period_ns, NSEC_PER_SEC) >> in mtk_disp_pwm_config()
110 period = div64_u64(rate * period_ns, div); in mtk_disp_pwm_config()
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| D | pwm-vt8500.c | 73 int duty_ns, int period_ns) in vt8500_pwm_config() argument
88 c = c * period_ns; in vt8500_pwm_config()
105 do_div(c, period_ns); in vt8500_pwm_config()
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| D | pwm-lpss.c | 83 int duty_ns, int period_ns) in pwm_lpss_prepare() argument
90 do_div(freq, period_ns); in pwm_lpss_prepare()
104 do_div(on_time_div, period_ns); in pwm_lpss_prepare()
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| D | pwm-zx.c | 98 unsigned int duty_ns, unsigned int period_ns) in zx_pwm_config() argument
111 c = c * period_ns; in zx_pwm_config()
126 do_div(c, period_ns); in zx_pwm_config()
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| /kernel/linux/linux-5.10/include/linux/ |
| D | pwm.h | 271 int duty_ns, int period_ns);
330 int period_ns) in pwm_config() argument
337 if (duty_ns < 0 || period_ns < 0) in pwm_config()
341 if (state.duty_cycle == duty_ns && state.period == period_ns) in pwm_config()
345 state.period = period_ns; in pwm_config()
440 int period_ns) in pwm_config() argument
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| /kernel/linux/linux-5.10/drivers/gpu/drm/i915/ |
| D | i915_pmu.c | 284 static void engine_sample(struct intel_engine_cs *engine, unsigned int period_ns) in engine_sample() argument
295 add_sample(&pmu->sample[I915_SAMPLE_WAIT], period_ns); in engine_sample()
297 add_sample(&pmu->sample[I915_SAMPLE_SEMA], period_ns); in engine_sample()
316 add_sample(&pmu->sample[I915_SAMPLE_BUSY], period_ns); in engine_sample()
320 engines_sample(struct intel_gt *gt, unsigned int period_ns) in engines_sample() argument
339 engine_sample(engine, period_ns); in engines_sample()
342 engine_sample(engine, period_ns); in engines_sample()
363 frequency_sample(struct intel_gt *gt, unsigned int period_ns) in frequency_sample() argument
396 intel_gpu_freq(rps, val), period_ns / 1000); in frequency_sample()
402 period_ns / 1000); in frequency_sample()
[all …]
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| /kernel/linux/linux-5.10/drivers/gpu/drm/vkms/ |
| D | vkms_crtc.c | 20 output->period_ns); in vkms_vblank_simulate()
67 out->period_ns = ktime_set(0, vblank->framedur_ns); in vkms_enable_vblank()
68 hrtimer_start(&out->vblank_hrtimer, out->period_ns, HRTIMER_MODE_REL); in vkms_enable_vblank()
107 *vblank_time -= output->period_ns; in vkms_get_vblank_timestamp()
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| /kernel/linux/linux-5.10/Documentation/driver-api/backlight/ |
| D | lp855x-driver.rst | 47 * period_ns:
80 .period_ns = 1000000,
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