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Searched refs:duty_steps (Results 1 – 3 of 3) sorted by relevance

/linux/drivers/pwm/
H A Dpwm-max7360.c38 u8 duty_steps; member
62 u64 duty_steps; in max7360_pwm_round_waveform_tohw() local
71 duty_steps = MAX7360_PWM_MAX; in max7360_pwm_round_waveform_tohw()
73 duty_steps = (u32)wf->duty_length_ns * MAX7360_PWM_STEPS / MAX7360_PWM_PERIOD_NS; in max7360_pwm_round_waveform_tohw()
74 if (duty_steps == MAX7360_PWM_MAX) in max7360_pwm_round_waveform_tohw()
75 duty_steps = MAX7360_PWM_MAX - 1; in max7360_pwm_round_waveform_tohw()
78 wfhw->duty_steps = duty_steps; in max7360_pwm_round_waveform_tohw()
96 if (wfhw->duty_steps == MAX7360_PWM_MAX) in max7360_pwm_round_waveform_fromhw()
99 wf->duty_length_ns = DIV_ROUND_UP(wfhw->duty_steps * MAX7360_PWM_PERIOD_NS, in max7360_pwm_round_waveform_fromhw()
118 ret = regmap_write(regmap, MAX7360_REG_PWM(pwm->hwpwm), wfhw->duty_steps); in max7360_pwm_write_waveform()
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H A Dpwm-microchip-core.c134 u64 duty_steps, tmp; in mchp_core_pwm_calc_duty() local
143 duty_steps = mul_u64_u64_div_u64(state->duty_cycle, clk_rate, tmp); in mchp_core_pwm_calc_duty()
145 return duty_steps; in mchp_core_pwm_calc_duty()
149 const struct pwm_state *state, u64 duty_steps, in mchp_core_pwm_apply_duty() argument
154 u8 first_edge = 0, second_edge = duty_steps; in mchp_core_pwm_apply_duty()
162 if (duty_steps == 0) in mchp_core_pwm_apply_duty()
277 u64 duty_steps; in mchp_core_pwm_apply_locked() local
335 duty_steps = mchp_core_pwm_calc_duty(state, clk_rate, prescale, period_steps); in mchp_core_pwm_apply_locked()
342 if (duty_steps > period_steps) in mchp_core_pwm_apply_locked()
343 duty_steps = period_steps + 1; in mchp_core_pwm_apply_locked()
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H A Dpwm-ab8500.c41 unsigned int duty_steps, div; in ab8500_pwm_apply() local
84 duty_steps = max_t(u64, mul_u64_u64_div_u64(state->duty_cycle, in ab8500_pwm_apply()
93 if (!state->enabled || duty_steps == 0) { in ab8500_pwm_apply()
108 lower_val = (duty_steps - 1) & 0x00ff; in ab8500_pwm_apply()
113 higher_val = ((duty_steps - 1) & 0x0300) >> 8 | (32 - div) << 4; in ab8500_pwm_apply()
144 unsigned int div, duty_steps; in ab8500_pwm_get_state() local
172 duty_steps = ((higher_val & 3) << 8 | lower_val) + 1; in ab8500_pwm_get_state()
175 state->duty_cycle = DIV64_U64_ROUND_UP((u64)div * duty_steps, AB8500_PWM_CLKRATE); in ab8500_pwm_get_state()