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Searched refs:duty (Results 1 – 25 of 149) sorted by relevance

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/openbmc/linux/drivers/gpu/drm/nouveau/nvkm/subdev/therm/
H A Dfanpwm.c44 u32 divs, duty; in nvkm_fanpwm_get() local
47 ret = therm->func->pwm_get(therm, fan->func.line, &divs, &duty); in nvkm_fanpwm_get()
49 divs = max(divs, duty); in nvkm_fanpwm_get()
51 duty = divs - duty; in nvkm_fanpwm_get()
52 return (duty * 100) / divs; in nvkm_fanpwm_get()
63 u32 divs, duty; in nvkm_fanpwm_set() local
74 duty = ((divs * percent) + 99) / 100; in nvkm_fanpwm_set()
76 duty = divs - duty; in nvkm_fanpwm_set()
78 ret = therm->func->pwm_set(therm, fan->func.line, divs, duty); in nvkm_fanpwm_set()
91 u32 divs, duty; in nvkm_fanpwm_create() local
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H A Dfan.c39 int duty; in nvkm_fan_update() local
53 duty = fan->get(therm); in nvkm_fan_update()
54 if (duty == target) { in nvkm_fan_update()
60 if (!immediate && duty >= 0) { in nvkm_fan_update()
65 if (duty < target) in nvkm_fan_update()
66 duty = min(duty + 3, target); in nvkm_fan_update()
67 else if (duty > target) in nvkm_fan_update()
68 duty = max(duty - 3, target); in nvkm_fan_update()
70 duty = target; in nvkm_fan_update()
73 nvkm_debug(subdev, "FAN update: %d\n", duty); in nvkm_fan_update()
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H A Dbase.c44 u16 duty, i; in nvkm_therm_update_trip() local
59 duty = cur_trip->fan_duty; in nvkm_therm_update_trip()
62 duty = 0; in nvkm_therm_update_trip()
66 return duty; in nvkm_therm_update_trip()
74 u16 duty; in nvkm_therm_compute_linear_duty() local
83 duty = (temp - linear_min_temp); in nvkm_therm_compute_linear_duty()
84 duty *= (therm->fan->bios.max_duty - therm->fan->bios.min_duty); in nvkm_therm_compute_linear_duty()
85 duty /= (linear_max_temp - linear_min_temp); in nvkm_therm_compute_linear_duty()
86 duty += therm->fan->bios.min_duty; in nvkm_therm_compute_linear_duty()
87 return duty; in nvkm_therm_compute_linear_duty()
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H A Dgf119.c68 gf119_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) in gf119_fan_pwm_get() argument
77 *duty = nvkm_rd32(device, 0x00e118 + (indx * 8)); in gf119_fan_pwm_get()
82 *duty = nvkm_rd32(device, 0x0200dc) & 0x1fff; in gf119_fan_pwm_get()
90 gf119_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) in gf119_fan_pwm_set() argument
98 nvkm_wr32(device, 0x00e118 + (indx * 8), duty | 0x80000000); in gf119_fan_pwm_set()
101 nvkm_wr32(device, 0x0200dc, duty | 0x40000000); in gf119_fan_pwm_set()
H A Dgm107.c34 gm107_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) in gm107_fan_pwm_get() argument
38 *duty = nvkm_rd32(device, 0x10eb24) & 0x1fff; in gm107_fan_pwm_get()
43 gm107_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) in gm107_fan_pwm_set() argument
47 nvkm_wr32(device, 0x10eb14, duty | 0x80000000); in gm107_fan_pwm_set()
H A Dnv40.c121 nv40_fan_pwm_get(struct nvkm_therm *therm, int line, u32 *divs, u32 *duty) in nv40_fan_pwm_get() argument
128 *duty = (reg & 0x7fff0000) >> 16; in nv40_fan_pwm_get()
137 *duty = (reg & 0x7fffffff); in nv40_fan_pwm_get()
149 nv40_fan_pwm_set(struct nvkm_therm *therm, int line, u32 divs, u32 duty) in nv40_fan_pwm_set() argument
154 nvkm_mask(device, 0x0010f0, 0x7fff7fff, (duty << 16) | divs); in nv40_fan_pwm_set()
158 nvkm_mask(device, 0x0015f4, 0x7fffffff, duty); in nv40_fan_pwm_set()
H A Dfantog.c46 int duty; in nvkm_fantog_update() local
53 duty = !nvkm_gpio_get(gpio, 0, DCB_GPIO_FAN, 0xff); in nvkm_fantog_update()
54 nvkm_gpio_set(gpio, 0, DCB_GPIO_FAN, 0xff, duty); in nvkm_fantog_update()
56 if (percent != (duty * 100)) { in nvkm_fantog_update()
58 if (!duty) in nvkm_fantog_update()
/openbmc/linux/drivers/pwm/
H A Dpwm-renesas-tpu.c78 u16 duty; member
179 tpu_pwm_write(tpd, TPU_TGRAn, tpd->duty); in tpu_pwm_timer_start()
183 tpd->channel, tpd->duty, tpd->period); in tpu_pwm_timer_start()
227 tpd->duty = 0; in tpu_pwm_request()
253 u32 duty; in tpu_pwm_config() local
305 duty = mul_u64_u64_div_u64(clk_rate, duty_ns, in tpu_pwm_config()
308 duty = 0; in tpu_pwm_config()
312 clk_rate, 1 << (2 * prescaler), (u32)period, duty); in tpu_pwm_config()
319 tpd->duty = duty; in tpu_pwm_config()
331 tpu_pwm_write(tpd, TPU_TGRAn, tpd->duty); in tpu_pwm_config()
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H A Dpwm-ntxec.c58 int period, int duty) in ntxec_pwm_set_raw_period_and_duty_cycle() argument
75 { NTXEC_REG_DUTY_HIGH, ntxec_reg8(duty >> 8) }, in ntxec_pwm_set_raw_period_and_duty_cycle()
77 { NTXEC_REG_DUTY_LOW, ntxec_reg8(duty) }, in ntxec_pwm_set_raw_period_and_duty_cycle()
87 unsigned int period, duty; in ntxec_pwm_apply() local
94 duty = min_t(u64, state->duty_cycle, period); in ntxec_pwm_apply()
97 duty /= TIME_BASE_NS; in ntxec_pwm_apply()
108 if (state->enabled && duty != 0) { in ntxec_pwm_apply()
109 res = ntxec_pwm_set_raw_period_and_duty_cycle(chip, period, duty); in ntxec_pwm_apply()
H A Dpwm-sunplus.c60 u32 dd_freq, duty, mode0, mode1; in sunplus_pwm_apply() local
111 duty = SP7021_PWM_DUTY_DD_SEL(pwm->hwpwm) | SP7021_PWM_DUTY_MAX; in sunplus_pwm_apply()
117 duty = mul_u64_u64_div_u64(state->duty_cycle, clk_rate, in sunplus_pwm_apply()
119 duty = SP7021_PWM_DUTY_DD_SEL(pwm->hwpwm) | duty; in sunplus_pwm_apply()
121 writel(duty, priv->base + SP7021_PWM_DUTY(pwm->hwpwm)); in sunplus_pwm_apply()
132 u32 mode0, dd_freq, duty; in sunplus_pwm_get_state() local
140 duty = readl(priv->base + SP7021_PWM_DUTY(pwm->hwpwm)); in sunplus_pwm_get_state()
141 duty = FIELD_GET(SP7021_PWM_DUTY_MASK, duty); in sunplus_pwm_get_state()
151 state->duty_cycle = DIV64_U64_ROUND_UP((u64)dd_freq * (u64)duty * NSEC_PER_SEC, in sunplus_pwm_get_state()
H A Dpwm-atmel-tcb.c37 unsigned duty; /* PWM duty expressed in clk cycles */ member
81 tcbpwm->duty = 0; in atmel_tcb_pwm_request()
96 &tcbpwm->duty); in atmel_tcb_pwm_request()
100 &tcbpwm->duty); in atmel_tcb_pwm_request()
138 if (tcbpwm->duty == 0) in atmel_tcb_pwm_disable()
192 if (tcbpwm->duty == 0) in atmel_tcb_pwm_enable()
222 if (tcbpwm->duty != tcbpwm->period && tcbpwm->duty > 0) { in atmel_tcb_pwm_enable()
243 tcbpwm->duty); in atmel_tcb_pwm_enable()
247 tcbpwm->duty); in atmel_tcb_pwm_enable()
268 unsigned duty; in atmel_tcb_pwm_config() local
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H A Dpwm-rockchip.c41 unsigned long duty; member
85 tmp = readl_relaxed(pc->base + pc->data->regs.duty); in rockchip_pwm_get_state()
107 unsigned long period, duty; in rockchip_pwm_config() local
123 duty = DIV_ROUND_CLOSEST_ULL(div, pc->data->prescaler * NSEC_PER_SEC); in rockchip_pwm_config()
136 writel(duty, pc->base + pc->data->regs.duty); in rockchip_pwm_config()
236 .duty = 0x04,
249 .duty = 0x08,
263 .duty = 0x08,
277 .duty = 0x08,
H A Dpwm-pca9685.c135 static void pca9685_pwm_set_duty(struct pca9685 *pca, int channel, unsigned int duty) in pca9685_pwm_set_duty() argument
140 if (duty == 0) { in pca9685_pwm_set_duty()
144 } else if (duty >= PCA9685_COUNTER_RANGE) { in pca9685_pwm_set_duty()
164 off = (on + duty) % PCA9685_COUNTER_RANGE; in pca9685_pwm_set_duty()
367 unsigned long long duty, prescale; in __pca9685_pwm_apply() local
409 duty = PCA9685_COUNTER_RANGE * state->duty_cycle; in __pca9685_pwm_apply()
410 duty = DIV_ROUND_UP_ULL(duty, state->period); in __pca9685_pwm_apply()
411 pca9685_pwm_set_duty(pca, pwm->hwpwm, duty); in __pca9685_pwm_apply()
438 unsigned long long duty; in pca9685_pwm_get_state() local
465 duty = pca9685_pwm_get_duty(pca, pwm->hwpwm); in pca9685_pwm_get_state()
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/openbmc/qemu/hw/misc/
H A Dnpcm7xx_pwm.c102 uint32_t duty; in npcm7xx_pwm_calculate_duty() local
106 duty = 0; in npcm7xx_pwm_calculate_duty()
108 duty = NPCM7XX_PWM_MAX_DUTY; in npcm7xx_pwm_calculate_duty()
110 duty = (uint64_t)NPCM7XX_PWM_MAX_DUTY * (p->cmr + 1) / (p->cnr + 1); in npcm7xx_pwm_calculate_duty()
113 duty = 0; in npcm7xx_pwm_calculate_duty()
117 duty = NPCM7XX_PWM_MAX_DUTY - duty; in npcm7xx_pwm_calculate_duty()
120 return duty; in npcm7xx_pwm_calculate_duty()
136 uint32_t duty = npcm7xx_pwm_calculate_duty(p); in npcm7xx_pwm_update_duty() local
138 if (duty != p->duty) { in npcm7xx_pwm_update_duty()
140 p->index, p->duty, duty); in npcm7xx_pwm_update_duty()
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/openbmc/linux/drivers/leds/rgb/
H A Dleds-pwm-multicolor.c36 unsigned long long duty; in led_pwm_mc_set() local
45 duty = priv->leds[i].state.period; in led_pwm_mc_set()
46 duty *= mc_cdev->subled_info[i].brightness; in led_pwm_mc_set()
47 do_div(duty, cdev->max_brightness); in led_pwm_mc_set()
50 duty = priv->leds[i].state.period - duty; in led_pwm_mc_set()
52 priv->leds[i].state.duty_cycle = duty; in led_pwm_mc_set()
53 priv->leds[i].state.enabled = duty > 0; in led_pwm_mc_set()
/openbmc/linux/drivers/gpu/drm/nouveau/
H A Dnouveau_led.c42 u32 div, duty; in nouveau_led_get_brightness() local
45 duty = nvif_rd32(device, 0x61c884) & 0x00ffffff; in nouveau_led_get_brightness()
48 return duty * LED_FULL / div; in nouveau_led_get_brightness()
62 u32 div, duty; in nouveau_led_set_brightness() local
65 duty = value * div / LED_FULL; in nouveau_led_set_brightness()
73 nvif_wr32(device, 0x61c884, 0xc0000000 | duty); in nouveau_led_set_brightness()
/openbmc/linux/drivers/gpu/drm/nouveau/nvkm/subdev/volt/
H A Dgk104.c43 u32 div, duty; in gk104_volt_get() local
46 duty = nvkm_rd32(device, 0x20344); in gk104_volt_get()
48 return bios->base + bios->pwm_range * duty / div; in gk104_volt_get()
56 u32 div, duty; in gk104_volt_set() local
60 duty = DIV_ROUND_UP((uv - bios->base) * div, bios->pwm_range); in gk104_volt_set()
63 nvkm_wr32(device, 0x20344, 0x80000000 | duty); in gk104_volt_set()
/openbmc/linux/drivers/clk/meson/
H A Dsclk-div.c126 struct clk_duty *duty) in sclk_div_set_duty_cycle() argument
132 memcpy(&sclk->cached_duty, duty, sizeof(*duty)); in sclk_div_set_duty_cycle()
140 struct clk_duty *duty) in sclk_div_get_duty_cycle() argument
147 duty->num = 1; in sclk_div_get_duty_cycle()
148 duty->den = 2; in sclk_div_get_duty_cycle()
153 duty->num = hi + 1; in sclk_div_get_duty_cycle()
154 duty->den = sclk->cached_div; in sclk_div_get_duty_cycle()
/openbmc/linux/include/trace/events/
H A Dclk.h233 TP_PROTO(struct clk_core *core, struct clk_duty *duty),
235 TP_ARGS(core, duty),
245 __entry->num = duty->num;
246 __entry->den = duty->den;
255 TP_PROTO(struct clk_core *core, struct clk_duty *duty),
257 TP_ARGS(core, duty)
262 TP_PROTO(struct clk_core *core, struct clk_duty *duty),
264 TP_ARGS(core, duty)
/openbmc/linux/Documentation/hwmon/
H A Ddme1737.rst166 attribute that needs to be set to the maximum attainable RPM (fan at 100% duty-
178 manual mode, the fan speed is set by writing the duty-cycle value to the
180 current duty-cycle as set by the fan controller in the chip. All PWM outputs
191 duty-cycles: full, low, and min. Full is internally hard-wired to 255 (100%)
198 pwm[1-3]_auto_point2_pwm full-speed duty-cycle (255, i.e., 100%)
199 pwm[1-3]_auto_point1_pwm low-speed duty-cycle
200 pwm[1-3]_auto_pwm_min min-speed duty-cycle
208 The chip adjusts the output duty-cycle linearly in the range of auto_point1_pwm
211 auto_point1_temp_hyst value, the output duty-cycle is set to the auto_pwm_min
214 duty-cycle. If any of the temperatures rise above the auto_point3_temp value,
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H A Dvt1211.rst181 Each PWM has 4 associated distinct output duty-cycles: full, high, low and
186 thermal thresholds exist that controls both PWMs output duty-cycles. The
196 pwm[1-2]_auto_point4_pwm full speed duty-cycle (hard-wired to 255)
197 pwm[1-2]_auto_point3_pwm high speed duty-cycle
198 pwm[1-2]_auto_point2_pwm low speed duty-cycle
199 pwm[1-2]_auto_point1_pwm off duty-cycle (hard-wired to 0)
212 PWM output duty-cycle based on the input temperature:
218 - full speed duty-cycle full speed duty-cycle
220 - high speed duty-cycle full speed duty-cycle
222 - low speed duty-cycle high speed duty-cycle
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/openbmc/u-boot/drivers/pwm/
H A DKconfig6 control over the duty cycle (high and low time) of the signal. This
17 supports a programmable period and duty cycle. A 32-bit counter is
26 programmable period and duty cycle. A 32-bit counter is used.
43 four channels with a programmable period and duty cycle. Only a
44 32KHz clock is supported by the driver but the duty cycle is
52 programmable period and duty cycle. A 16-bit counter is used.
H A Drk_pwm.c43 unsigned long period, duty; in rk_pwm_set_config() local
52 duty = lldiv((uint64_t)(priv->freq / 1000) * duty_ns, 1000000); in rk_pwm_set_config()
55 writel(duty, &regs->duty_lpr); in rk_pwm_set_config()
56 debug("%s: period=%lu, duty=%lu\n", __func__, period, duty); in rk_pwm_set_config()
/openbmc/linux/drivers/leds/
H A Dleds-pwm.c47 unsigned long long duty = led_dat->pwmstate.period; in led_pwm_set() local
49 duty *= brightness; in led_pwm_set()
50 do_div(duty, max); in led_pwm_set()
53 duty = led_dat->pwmstate.period - duty; in led_pwm_set()
55 led_dat->pwmstate.duty_cycle = duty; in led_pwm_set()
/openbmc/linux/Documentation/devicetree/bindings/hwmon/pmbus/
H A Dmax31785.txt51 - maxim,fan-no-fault-ramp: Do not ramp the fan to 100% PWM duty on detecting a
55 it with 100% or 0% PWM duty, depending on the state
60 - maxim,fan-ramp : Configures how fast the device ramps the PWM duty
63 1000ms update rate and 1 - 3% duty respective duty
65 5% respective duty increase. Default value is 0.
66 - maxim,fan-no-watchdog : Do not ramp fan to 100% PWM duty on failure to
69 - maxim,tmp-no-fault-ramp: Do not ramp fan to 100% PWM duty on temperature
82 - maxim,fan-fault-pin-mon: Ramp fans to 100% PWM duty when the FAULT pin is

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