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Searched refs:period_ns (Results 1 – 25 of 62) sorted by relevance

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/Linux-v4.19/drivers/pwm/
Dpwm-fsl-ftm.c93 int period_ns; member
172 unsigned long period_ns) in fsl_pwm_calculate_cycles() argument
177 c = c * period_ns; in fsl_pwm_calculate_cycles()
191 unsigned long period_ns, in fsl_pwm_calculate_period_cycles() argument
204 return fsl_pwm_calculate_cycles(fpc, period_ns); in fsl_pwm_calculate_period_cycles()
208 unsigned long period_ns) in fsl_pwm_calculate_period() argument
213 cycles = fsl_pwm_calculate_period_cycles(fpc, period_ns, in fsl_pwm_calculate_period()
231 cycles = fsl_pwm_calculate_period_cycles(fpc, period_ns, m0); in fsl_pwm_calculate_period()
239 return fsl_pwm_calculate_period_cycles(fpc, period_ns, m1); in fsl_pwm_calculate_period()
243 unsigned long period_ns, in fsl_pwm_calculate_duty() argument
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Dpwm-lpc18xx-sct.c100 unsigned int period_ns; member
148 static void lpc18xx_pwm_config_period(struct pwm_chip *chip, int period_ns) in lpc18xx_pwm_config_period() argument
153 val = (u64)period_ns * lpc18xx_pwm->clk_rate; 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(chip->dev, "period %d not in range\n", period_ns); in lpc18xx_pwm_config()
206 if (requested_events > 2 && lpc18xx_pwm->period_ns != period_ns && in lpc18xx_pwm_config()
207 lpc18xx_pwm->period_ns) { in lpc18xx_pwm_config()
214 if ((requested_events <= 2 && lpc18xx_pwm->period_ns != period_ns) || in lpc18xx_pwm_config()
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Dpwm-crc.c67 int duty_ns, int period_ns) in crc_pwm_config() argument
73 if (period_ns > PWM_MAX_PERIOD_NS) { in crc_pwm_config()
78 if (pwm_get_period(pwm) != period_ns) { in crc_pwm_config()
83 clk_div = PWM_BASE_CLK * period_ns / NSEC_PER_SEC; in crc_pwm_config()
93 level = duty_ns * PWM_MAX_LEVEL / period_ns; in crc_pwm_config()
Dpwm-samsung.c68 u32 period_ns; member
308 int duty_ns, int period_ns, bool force_period) in __pwm_samsung_config() argument
319 if (period_ns > NSEC_PER_SEC) in __pwm_samsung_config()
329 if (chan->period_ns != period_ns || force_period) { in __pwm_samsung_config()
333 period = NSEC_PER_SEC / period_ns; in __pwm_samsung_config()
336 duty_ns, period_ns, period); in __pwm_samsung_config()
343 tcnt = period_ns / tin_ns; in __pwm_samsung_config()
381 chan->period_ns = period_ns; in __pwm_samsung_config()
389 int duty_ns, int period_ns) in pwm_samsung_config() argument
391 return __pwm_samsung_config(chip, pwm, duty_ns, period_ns, false); in pwm_samsung_config()
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Dpwm-rcar.c71 static int rcar_pwm_get_clock_division(struct rcar_pwm_chip *rp, int period_ns) in rcar_pwm_get_clock_division() argument
84 if (period_ns <= max) in rcar_pwm_get_clock_division()
109 int period_ns) in rcar_pwm_set_counter() argument
118 tmp = period_ns * 100ULL; in rcar_pwm_set_counter()
146 int duty_ns, int period_ns) in rcar_pwm_config() argument
151 div = rcar_pwm_get_clock_division(rp, period_ns); in rcar_pwm_config()
165 ret = rcar_pwm_set_counter(rp, div, duty_ns, period_ns); in rcar_pwm_config()
Dpwm-pca9685.c84 int period_ns; member
255 int duty_ns, int period_ns) in pca9685_pwm_config() argument
262 if (period_ns != pca->period_ns) { in pca9685_pwm_config()
263 prescale = DIV_ROUND_CLOSEST(PCA9685_OSC_CLOCK_MHZ * period_ns, in pca9685_pwm_config()
283 pca->period_ns = period_ns; in pca9685_pwm_config()
304 if (duty_ns == period_ns) { in pca9685_pwm_config()
332 duty = DIV_ROUND_UP_ULL(duty, period_ns); in pca9685_pwm_config()
469 pca->period_ns = PCA9685_DEFAULT_PERIOD; in pca9685_pwm_probe()
Dpwm-puv3.c42 int duty_ns, int period_ns) in puv3_pwm_config() argument
49 c = c * period_ns; in puv3_pwm_config()
62 if (duty_ns == period_ns) in puv3_pwm_config()
65 dc = (pv + 1) * duty_ns / period_ns; in puv3_pwm_config()
Dpwm-lpc32xx.c34 int duty_ns, int period_ns) in lpc32xx_pwm_config() argument
43 period_cycles = div64_u64(c * period_ns, in lpc32xx_pwm_config()
51 duty_cycles = div64_u64((unsigned long long)(period_ns - duty_ns) * 256, in lpc32xx_pwm_config()
52 period_ns); in lpc32xx_pwm_config()
Dpwm-omap-dmtimer.c97 int duty_ns, int period_ns) in pwm_omap_dmtimer_config() argument
107 duty_ns, period_ns); in pwm_omap_dmtimer_config()
111 period_ns == pwm_get_period(pwm)) { in pwm_omap_dmtimer_config()
147 period_cycles = pwm_omap_dmtimer_get_clock_cycles(clk_rate, period_ns); in pwm_omap_dmtimer_config()
153 period_ns, clk_rate); in pwm_omap_dmtimer_config()
166 duty_ns, period_ns, clk_rate); in pwm_omap_dmtimer_config()
Dpwm-lp3943.c99 int duty_ns, int period_ns) in lp3943_pwm_config() argument
124 period_ns = clamp(period_ns, LP3943_MIN_PERIOD, LP3943_MAX_PERIOD); in lp3943_pwm_config()
125 val = (u8)(period_ns / LP3943_MIN_PERIOD - 1); in lp3943_pwm_config()
131 val = (u8)(duty_ns * LP3943_MAX_DUTY / period_ns); in lp3943_pwm_config()
Dpwm-pxa.c64 int duty_ns, int period_ns) in pxa_pwm_config() argument
75 c = c * period_ns; in pxa_pwm_config()
87 if (duty_ns == period_ns) in pxa_pwm_config()
90 dc = (pv + 1) * duty_ns / period_ns; in pxa_pwm_config()
Dpwm-bcm2835.c65 int duty_ns, int period_ns) in bcm2835_pwm_config() argument
78 if (period_ns <= MIN_PERIOD) { in bcm2835_pwm_config()
80 period_ns, MIN_PERIOD); in bcm2835_pwm_config()
85 writel(period_ns / scaler, pc->base + PERIOD(pwm->hwpwm)); in bcm2835_pwm_config()
Dpwm-stmpe.c104 int duty_ns, int period_ns) in stmpe_24xx_pwm_config() argument
157 pwm->hwpwm, duty_ns, period_ns); in stmpe_24xx_pwm_config()
167 } else if (duty_ns == period_ns) { in stmpe_24xx_pwm_config()
191 duty = DIV_ROUND_CLOSEST(duty, period_ns); in stmpe_24xx_pwm_config()
Dpwm-jz4740.c87 int duty_ns, int period_ns) in jz4740_pwm_config() argument
96 tmp = (unsigned long long)clk_get_rate(jz4740->clk) * period_ns; in jz4740_pwm_config()
109 do_div(tmp, period_ns); in jz4740_pwm_config()
Dpwm-ep93xx.c71 int duty_ns, int period_ns) in ep93xx_pwm_config() argument
92 c *= period_ns; in ep93xx_pwm_config()
98 do_div(c, period_ns); in ep93xx_pwm_config()
Dpwm-mxs.c45 int duty_ns, int period_ns) in mxs_pwm_config() argument
56 c = c * period_ns; in mxs_pwm_config()
67 do_div(c, period_ns); in mxs_pwm_config()
Dpwm-twl-led.c70 int duty_ns, int period_ns) in twl4030_pwmled_config() argument
72 int duty_cycle = DIV_ROUND_UP(duty_ns * TWL4030_LED_MAX, period_ns) + 1; in twl4030_pwmled_config()
152 int duty_ns, int period_ns) in twl6030_pwmled_config() argument
154 int duty_cycle = (duty_ns * TWL6030_LED_MAX) / period_ns; in twl6030_pwmled_config()
Dpwm-mediatek.c141 int duty_ns, int period_ns) in mtk_pwm_config() argument
158 cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, resolution); in mtk_pwm_config()
162 cnt_period = DIV_ROUND_CLOSEST_ULL((u64)period_ns * 1000, in mtk_pwm_config()
168 dev_err(chip->dev, "period %d not supported\n", period_ns); in mtk_pwm_config()
Dpwm-img.c96 int duty_ns, int period_ns) in img_pwm_config() argument
104 if (period_ns < pwm_chip->min_period_ns || in img_pwm_config()
105 period_ns > pwm_chip->max_period_ns) { in img_pwm_config()
111 output_clk_hz = DIV_ROUND_UP(NSEC_PER_SEC, period_ns); in img_pwm_config()
132 duty = DIV_ROUND_UP(timebase * duty_ns, period_ns); in img_pwm_config()
Dpwm-lpss.c95 int duty_ns, int period_ns) in pwm_lpss_prepare() argument
102 do_div(freq, period_ns); in pwm_lpss_prepare()
114 do_div(on_time_div, period_ns); in pwm_lpss_prepare()
Dpwm-brcmstb.c107 int duty_ns, int period_ns) in brcmstb_pwm_config() argument
119 if (duty_ns == period_ns) { in brcmstb_pwm_config()
135 tmp = period_ns * rate; in brcmstb_pwm_config()
/Linux-v4.19/include/linux/
Dpwm.h264 int duty_ns, int period_ns);
332 int period_ns) in pwm_config() argument
339 if (duty_ns < 0 || period_ns < 0) in pwm_config()
343 if (state.duty_cycle == duty_ns && state.period == period_ns) in pwm_config()
347 state.period = period_ns; in pwm_config()
474 int period_ns) in pwm_config() argument
/Linux-v4.19/drivers/gpu/drm/vkms/
Dvkms_crtc.c26 output->period_ns); in vkms_vblank_simulate()
42 out->period_ns = ktime_set(0, vblank->framedur_ns); in vkms_enable_vblank()
43 hrtimer_start(&out->vblank_hrtimer, out->period_ns, HRTIMER_MODE_REL); in vkms_enable_vblank()
/Linux-v4.19/drivers/gpu/drm/i915/
Di915_pmu.c166 engines_sample(struct drm_i915_private *dev_priv, unsigned int period_ns) in engines_sample() argument
190 period_ns); in engines_sample()
203 period_ns); in engines_sample()
207 period_ns); in engines_sample()
223 frequency_sample(struct drm_i915_private *dev_priv, unsigned int period_ns) in frequency_sample() argument
239 period_ns / 1000); in frequency_sample()
247 period_ns / 1000); in frequency_sample()
255 unsigned int period_ns; in i915_sample() local
262 period_ns = ktime_to_ns(ktime_sub(now, i915->pmu.timer_last)); in i915_sample()
271 engines_sample(i915, period_ns); in i915_sample()
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/Linux-v4.19/Documentation/backlight/
Dlp855x-driver.txt38 * period_ns : Platform specific PWM period value. unit is nano.
65 .period_ns = 1000000,

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