10 #include <zephyr/drivers/adc.h>
47 	Adc *regs;
64 static void wait_synchronization(Adc *const adc)  in wait_synchronization()  argument
66 	while ((ADC_SYNC(adc) & ADC_SYNC_MASK) != 0) {  in wait_synchronization()
119 	Adc *const adc = cfg->regs;  in adc_sam0_channel_setup()  local
127 			LOG_ERR("Selected ADC acquisition time is not valid");  in adc_sam0_channel_setup()
134 	adc->SAMPCTRL.reg = sampctrl;  in adc_sam0_channel_setup()
135 	wait_synchronization(adc);  in adc_sam0_channel_setup()
165 	if (adc->REFCTRL.reg != refctrl) {  in adc_sam0_channel_setup()
167 		adc->CTRLA.bit.ENABLE = 0;  in adc_sam0_channel_setup()
168 		wait_synchronization(adc);  in adc_sam0_channel_setup()
170 		adc->REFCTRL.reg = refctrl;  in adc_sam0_channel_setup()
171 		wait_synchronization(adc);  in adc_sam0_channel_setup()
173 		adc->CTRLA.bit.ENABLE = 1;  in adc_sam0_channel_setup()
174 		wait_synchronization(adc);  in adc_sam0_channel_setup()
218 		LOG_ERR("Selected ADC gain is not valid");  in adc_sam0_channel_setup()
226 		ADC_DIFF(adc) |= ADC_DIFF_MASK;  in adc_sam0_channel_setup()
230 		ADC_DIFF(adc) &= ~ADC_DIFF_MASK;  in adc_sam0_channel_setup()
232 	wait_synchronization(adc);  in adc_sam0_channel_setup()
234 	adc->INPUTCTRL.reg = inputctrl;  in adc_sam0_channel_setup()
235 	wait_synchronization(adc);  in adc_sam0_channel_setup()
268 	Adc *const adc = cfg->regs;  in adc_sam0_start_conversion()  local
272 	adc->SWTRIG.reg = ADC_SWTRIG_START;  in adc_sam0_start_conversion()
275 	 * that might access the ADC after this will wait for it to complete  in adc_sam0_start_conversion()
322 	Adc *const adc = cfg->regs;  in start_read()  local
330 	adc->AVGCTRL.reg = ADC_AVGCTRL_SAMPLENUM(sequence->oversampling);  in start_read()
339 		adc->AVGCTRL.bit.ADJRES = sequence->oversampling - 4U;  in start_read()
350 		ADC_RESSEL(adc) = ADC_RESSEL_8BIT;  in start_read()
358 		ADC_RESSEL(adc) = ADC_RESSEL_10BIT;  in start_read()
362 			ADC_RESSEL(adc) = ADC_RESSEL_16BIT;  in start_read()
364 			ADC_RESSEL(adc) = ADC_RESSEL_12BIT;  in start_read()
368 		LOG_ERR("ADC resolution value %d is not valid",  in start_read()
373 	wait_synchronization(adc);  in start_read()
424 	Adc *const adc = cfg->regs;  in adc_sam0_isr()  local
427 	adc->INTFLAG.reg = ADC_INTFLAG_MASK;  in adc_sam0_isr()
429 	result = (uint16_t)(adc->RESULT.reg);  in adc_sam0_isr()
449 	Adc *const adc = cfg->regs;  in adc_sam0_init()  local
467 	ADC_PRESCALER(adc) = cfg->prescaler;  in adc_sam0_init()
468 	wait_synchronization(adc);  in adc_sam0_init()
470 	adc->INTENCLR.reg = ADC_INTENCLR_MASK;  in adc_sam0_init()
471 	adc->INTFLAG.reg = ADC_INTFLAG_MASK;  in adc_sam0_init()
475 	adc->INTENSET.reg = ADC_INTENSET_RESRDY;  in adc_sam0_init()
482 	adc->CTRLA.bit.ENABLE = 1;  in adc_sam0_init()
483 	wait_synchronization(adc);  in adc_sam0_init()
528 	Adc * const adc = cfg->regs;					\
529 	adc->CALIB.reg = ADC_SAM0_BIASCOMP(n)				\
545 	Adc * const adc = cfg->regs;					\
555 	adc->CALIB.reg = ADC_CALIB_BIAS_CAL(bias) |			\
565 		.regs = (Adc *)DT_INST_REG_ADDR(n),			\