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Searched refs:period_cycles (Results 1 – 8 of 8) sorted by relevance

/linux/drivers/pwm/
H A Dpwm-xilinx.c100 u64 period_cycles, duty_cycles; in xilinx_pwm_apply() local
115 period_cycles = min_t(u64, state->period, U32_MAX * NSEC_PER_SEC); in xilinx_pwm_apply()
116 period_cycles = mul_u64_u32_div(period_cycles, rate, NSEC_PER_SEC); in xilinx_pwm_apply()
117 period_cycles = min_t(u64, period_cycles, priv->max + 2); in xilinx_pwm_apply()
118 if (period_cycles < 2) in xilinx_pwm_apply()
130 if (duty_cycles >= period_cycles) in xilinx_pwm_apply()
131 duty_cycles = period_cycles - 1; in xilinx_pwm_apply()
135 duty_cycles = period_cycles; in xilinx_pwm_apply()
139 tlr0 = xilinx_timer_tlr_cycles(priv, tcsr0, period_cycles); in xilinx_pwm_apply()
H A Dpwm-ep93xx.c53 unsigned long period_cycles; in ep93xx_pwm_apply() local
102 period_cycles = c; in ep93xx_pwm_apply()
104 c = period_cycles; in ep93xx_pwm_apply()
109 if (period_cycles < 0x10000 && duty_cycles < 0x10000) { in ep93xx_pwm_apply()
113 if (period_cycles > term) { in ep93xx_pwm_apply()
114 writew(period_cycles, base + EP93XX_PWMx_TERM_COUNT); in ep93xx_pwm_apply()
118 writew(period_cycles, base + EP93XX_PWMx_TERM_COUNT); in ep93xx_pwm_apply()
H A Dpwm-lpc32xx.c35 int period_cycles, duty_cycles; in lpc32xx_pwm_config() local
40 period_cycles = div64_u64(c * period_ns, in lpc32xx_pwm_config()
42 if (!period_cycles || period_cycles > 256) in lpc32xx_pwm_config()
44 if (period_cycles == 256) in lpc32xx_pwm_config()
45 period_cycles = 0; in lpc32xx_pwm_config()
57 val |= (period_cycles << 8) | duty_cycles; in lpc32xx_pwm_config()
H A Dpwm-pxa.c73 unsigned long period_cycles, prescale, pv, dc; in pxa_pwm_config() local
81 period_cycles = c; in pxa_pwm_config()
83 if (period_cycles < 1) in pxa_pwm_config()
84 period_cycles = 1; in pxa_pwm_config()
85 prescale = (period_cycles - 1) / 1024; in pxa_pwm_config()
86 pv = period_cycles / (prescale + 1) - 1; in pxa_pwm_config()
H A Dpwm-omap-dmtimer.c151 u32 period_cycles, duty_cycles; in pwm_omap_dmtimer_config() local
193 period_cycles = pwm_omap_dmtimer_get_clock_cycles(clk_rate, period_ns); in pwm_omap_dmtimer_config()
196 if (period_cycles < 2) { in pwm_omap_dmtimer_config()
209 } else if (duty_cycles >= period_cycles) { in pwm_omap_dmtimer_config()
214 duty_cycles = period_cycles - 1; in pwm_omap_dmtimer_config()
220 DIV_ROUND_CLOSEST_ULL((u64)NSEC_PER_SEC * period_cycles, in pwm_omap_dmtimer_config()
223 load_value = (DM_TIMER_MAX - period_cycles) + 1; in pwm_omap_dmtimer_config()
H A Dpwm-vt8500.c77 unsigned long period_cycles, prescale, pv, dc; in vt8500_pwm_config() local
90 period_cycles = c; in vt8500_pwm_config()
92 if (period_cycles < 1) in vt8500_pwm_config()
93 period_cycles = 1; in vt8500_pwm_config()
94 prescale = (period_cycles - 1) / 4096; in vt8500_pwm_config()
95 pv = period_cycles / (prescale + 1) - 1; in vt8500_pwm_config()
H A Dpwm-mxs.c54 unsigned int period_cycles, duty_cycles; in mxs_pwm_apply() local
85 period_cycles = c; in mxs_pwm_apply()
101 writel(PERIOD_PERIOD(period_cycles) | pol_bits | PERIOD_CDIV(div), in mxs_pwm_apply()
H A Dpwm-rz-mtu3.c113 u64 period_cycles) in rz_mtu3_pwm_calculate_prescale() argument
122 prescaled_period_cycles = period_cycles >> 16; in rz_mtu3_pwm_calculate_prescale()
323 u64 period_cycles; in rz_mtu3_pwm_config() local
333 period_cycles = mul_u64_u32_div(state->period, rz_mtu3_pwm->rate, in rz_mtu3_pwm_config()
335 prescale = rz_mtu3_pwm_calculate_prescale(rz_mtu3_pwm, period_cycles); in rz_mtu3_pwm_config()
350 pv = rz_mtu3_pwm_calculate_pv_or_dc(period_cycles, prescale); in rz_mtu3_pwm_config()