4  * SPDX-License-Identifier: Apache-2.0
43 	uint32_t channels;  member
83 	const struct adc_cc32xx_cfg *config = data->dev->config;  in adc_context_start_sampling()
85 	data->channels = ctx->sequence.channels;  in adc_context_start_sampling()
86 	data->repeat_buffer = data->buffer;  in adc_context_start_sampling()
89 		if (ctx->sequence.channels & BIT(i)) {  in adc_context_start_sampling()
90 			start_sampling(config->base, s_channel[i]);  in adc_context_start_sampling()
102 		data->buffer = data->repeat_buffer;  in adc_context_update_buffer_pointer()
104 		data->buffer += data->active_channels;  in adc_context_update_buffer_pointer()
110 	struct adc_cc32xx_data *data = dev->data;  in adc_cc32xx_init()
111 	const struct adc_cc32xx_cfg *config = dev->config;  in adc_cc32xx_init()
113 	data->dev = dev;  in adc_cc32xx_init()
120 		MAP_ADCIntDisable(config->base, ch, ISR_MASK);  in adc_cc32xx_init()
121 		MAP_ADCChannelDisable(config->base, ch);  in adc_cc32xx_init()
122 		MAP_ADCDMADisable(config->base, ch);  in adc_cc32xx_init()
123 		MAP_ADCIntClear(config->base, ch, ISR_MASK);  in adc_cc32xx_init()
125 	MAP_ADCEnable(config->base);  in adc_cc32xx_init()
126 	config->irq_cfg_func();  in adc_cc32xx_init()
128 	adc_context_unlock_unconditionally(&data->ctx);  in adc_cc32xx_init()
135 	const struct adc_cc32xx_cfg *config = dev->config;  in adc_cc32xx_channel_setup()
136 	const uint8_t ch = channel_cfg->channel_id;  in adc_cc32xx_channel_setup()
140 		return -EINVAL;  in adc_cc32xx_channel_setup()
143 	if (channel_cfg->acquisition_time != ADC_ACQ_TIME_DEFAULT) {  in adc_cc32xx_channel_setup()
144 		LOG_ERR("Acquisition time is not valid");  in adc_cc32xx_channel_setup()
145 		return -EINVAL;  in adc_cc32xx_channel_setup()
148 	if (channel_cfg->differential) {  in adc_cc32xx_channel_setup()
149 		LOG_ERR("Differential channels are not supported");  in adc_cc32xx_channel_setup()
150 		return -EINVAL;  in adc_cc32xx_channel_setup()
153 	if (channel_cfg->gain != ADC_GAIN_1) {  in adc_cc32xx_channel_setup()
154 		LOG_ERR("Gain is not valid");  in adc_cc32xx_channel_setup()
155 		return -EINVAL;  in adc_cc32xx_channel_setup()
158 	if (channel_cfg->reference != ADC_REF_INTERNAL) {  in adc_cc32xx_channel_setup()
159 		LOG_ERR("Reference is not valid");  in adc_cc32xx_channel_setup()
160 		return -EINVAL;  in adc_cc32xx_channel_setup()
165 	MAP_ADCChannelDisable(config->base, s_channel[ch]);  in adc_cc32xx_channel_setup()
166 	MAP_ADCIntDisable(config->base, s_channel[ch], ISR_MASK);  in adc_cc32xx_channel_setup()
178 	struct adc_cc32xx_data *data = dev->data;  in cc32xx_read()
182 	if (sequence->resolution != 12) {  in cc32xx_read()
184 			sequence->resolution);  in cc32xx_read()
185 		return -EINVAL;  in cc32xx_read()
188 	data->active_channels = 0;  in cc32xx_read()
190 		if (!(sequence->channels & BIT(i))) {  in cc32xx_read()
193 		data->offset[i] = data->active_channels++;  in cc32xx_read()
195 	exp_size = data->active_channels * sizeof(uint16_t);  in cc32xx_read()
196 	if (sequence->options) {  in cc32xx_read()
197 		exp_size *= (1 + sequence->options->extra_samplings);  in cc32xx_read()
200 	if (sequence->buffer_size < exp_size) {  in cc32xx_read()
202 			exp_size, sequence->buffer_size);  in cc32xx_read()
203 		return -ENOMEM;  in cc32xx_read()
206 	data->buffer = sequence->buffer;  in cc32xx_read()
208 	adc_context_lock(&data->ctx, asynchronous, sig);  in cc32xx_read()
209 	adc_context_start_read(&data->ctx, sequence);  in cc32xx_read()
210 	rv = adc_context_wait_for_completion(&data->ctx);  in cc32xx_read()
211 	adc_context_release(&data->ctx, rv);  in cc32xx_read()
232 	const struct adc_cc32xx_cfg *config = dev->config;  in adc_cc32xx_isr()
233 	struct adc_cc32xx_data *data = dev->data;  in adc_cc32xx_isr()
235 	unsigned long mask = MAP_ADCIntStatus(config->base, chan);  in adc_cc32xx_isr()
239 	MAP_ADCIntClear(config->base, chan, mask);  in adc_cc32xx_isr()
245 	while (MAP_ADCFIFOLvlGet(config->base, chan)) {  in adc_cc32xx_isr()
246 		rv += (MAP_ADCFIFORead(config->base, chan) >> 2) & 0x0FFF;  in adc_cc32xx_isr()
250 	*(data->buffer + data->offset[no]) = rv / cnt;  in adc_cc32xx_isr()
251 	data->channels &= ~BIT(no);  in adc_cc32xx_isr()
253 	MAP_ADCIntDisable(config->base, chan, ISR_MASK);  in adc_cc32xx_isr()
254 	MAP_ADCChannelDisable(config->base, chan);  in adc_cc32xx_isr()
257 	if (!data->channels) {  in adc_cc32xx_isr()
258 		adc_context_on_sampling_done(&data->ctx, dev);  in adc_cc32xx_isr()