Lines Matching refs:p
71 static uint32_t npcm7xx_pwm_calculate_freq(NPCM7xxPWM *p) in npcm7xx_pwm_calculate_freq() argument
77 if (!p->running) { in npcm7xx_pwm_calculate_freq()
81 csr = NPCM7XX_CSR(p->module->csr, p->index); in npcm7xx_pwm_calculate_freq()
82 ppr = NPCM7XX_PPR(p->module->ppr, p->index); in npcm7xx_pwm_calculate_freq()
83 freq = clock_get_hz(p->module->clock); in npcm7xx_pwm_calculate_freq()
97 return freq / (p->cnr + 1); in npcm7xx_pwm_calculate_freq()
100 static uint32_t npcm7xx_pwm_calculate_duty(NPCM7xxPWM *p) in npcm7xx_pwm_calculate_duty() argument
104 if (p->running) { in npcm7xx_pwm_calculate_duty()
105 if (p->cnr == 0) { in npcm7xx_pwm_calculate_duty()
107 } else if (p->cmr >= p->cnr) { in npcm7xx_pwm_calculate_duty()
110 duty = (uint64_t)NPCM7XX_PWM_MAX_DUTY * (p->cmr + 1) / (p->cnr + 1); in npcm7xx_pwm_calculate_duty()
116 if (p->inverted) { in npcm7xx_pwm_calculate_duty()
123 static void npcm7xx_pwm_update_freq(NPCM7xxPWM *p) in npcm7xx_pwm_update_freq() argument
125 uint32_t freq = npcm7xx_pwm_calculate_freq(p); in npcm7xx_pwm_update_freq()
127 if (freq != p->freq) { in npcm7xx_pwm_update_freq()
128 trace_npcm7xx_pwm_update_freq(DEVICE(p->module)->canonical_path, in npcm7xx_pwm_update_freq()
129 p->index, p->freq, freq); in npcm7xx_pwm_update_freq()
130 p->freq = freq; in npcm7xx_pwm_update_freq()
134 static void npcm7xx_pwm_update_duty(NPCM7xxPWM *p) in npcm7xx_pwm_update_duty() argument
136 uint32_t duty = npcm7xx_pwm_calculate_duty(p); in npcm7xx_pwm_update_duty()
138 if (duty != p->duty) { in npcm7xx_pwm_update_duty()
139 trace_npcm7xx_pwm_update_duty(DEVICE(p->module)->canonical_path, in npcm7xx_pwm_update_duty()
140 p->index, p->duty, duty); in npcm7xx_pwm_update_duty()
141 p->duty = duty; in npcm7xx_pwm_update_duty()
142 qemu_set_irq(p->module->duty_gpio_out[p->index], p->duty); in npcm7xx_pwm_update_duty()
146 static void npcm7xx_pwm_update_output(NPCM7xxPWM *p) in npcm7xx_pwm_update_output() argument
148 npcm7xx_pwm_update_freq(p); in npcm7xx_pwm_update_output()
149 npcm7xx_pwm_update_duty(p); in npcm7xx_pwm_update_output()
185 NPCM7xxPWM *p; in npcm7xx_pwm_write_pcr() local
190 p = &s->pwm[i]; in npcm7xx_pwm_write_pcr()
199 if (p->running) { in npcm7xx_pwm_write_pcr()
201 if (p->inverted ^ inverted) { in npcm7xx_pwm_write_pcr()
202 p->inverted = inverted; in npcm7xx_pwm_write_pcr()
203 npcm7xx_pwm_update_duty(p); in npcm7xx_pwm_write_pcr()
207 p->running = true; in npcm7xx_pwm_write_pcr()
208 p->inverted = inverted; in npcm7xx_pwm_write_pcr()
209 npcm7xx_pwm_update_output(p); in npcm7xx_pwm_write_pcr()
213 p->running = false; in npcm7xx_pwm_write_pcr()
214 p->inverted = inverted; in npcm7xx_pwm_write_pcr()
215 npcm7xx_pwm_update_output(p); in npcm7xx_pwm_write_pcr()
354 NPCM7xxPWM *p; in npcm7xx_pwm_write() local
363 p = &s->pwm[npcm7xx_cnr_index(offset)]; in npcm7xx_pwm_write()
367 p->cnr = NPCM7XX_MAX_CNR; in npcm7xx_pwm_write()
369 p->cnr = value; in npcm7xx_pwm_write()
371 npcm7xx_pwm_update_output(p); in npcm7xx_pwm_write()
378 p = &s->pwm[npcm7xx_cmr_index(offset)]; in npcm7xx_pwm_write()
382 p->cmr = NPCM7XX_MAX_CMR; in npcm7xx_pwm_write()
384 p->cmr = value; in npcm7xx_pwm_write()
386 npcm7xx_pwm_update_output(p); in npcm7xx_pwm_write()
456 NPCM7xxPWM *p = &s->pwm[i]; in npcm7xx_pwm_enter_reset() local
458 p->cnr = 0x00000000; in npcm7xx_pwm_enter_reset()
459 p->cmr = 0x00000000; in npcm7xx_pwm_enter_reset()
460 p->pdr = 0x00000000; in npcm7xx_pwm_enter_reset()
461 p->pwdr = 0x00000000; in npcm7xx_pwm_enter_reset()
489 NPCM7xxPWM *p = &s->pwm[i]; in npcm7xx_pwm_init() local
490 p->module = s; in npcm7xx_pwm_init()
491 p->index = i; in npcm7xx_pwm_init()
492 sysbus_init_irq(sbd, &p->irq); in npcm7xx_pwm_init()