4  * SPDX-License-Identifier: Apache-2.0
39 /* 1st timer used as main timer in auto-reload, count-down. generate mode */
42 /* 2nd timer (if available) used as alarm timer in count-down, generate mode */
61 	const struct xlnx_axi_timer_config *config = dev->config;  in xlnx_axi_timer_read32()
63 	return sys_read32(config->base + offset);  in xlnx_axi_timer_read32()
70 	const struct xlnx_axi_timer_config *config = dev->config;  in xlnx_axi_timer_write32()
72 	sys_write32(value, config->base + offset);  in xlnx_axi_timer_write32()
77 	const struct xlnx_axi_timer_data *data = dev->data;  in xlnx_axi_timer_start()
82 	if (data->alarm_callback) {  in xlnx_axi_timer_start()
94 	const struct xlnx_axi_timer_config *config = dev->config;  in xlnx_axi_timer_stop()
102 	if (config->info.channels > 0) {  in xlnx_axi_timer_stop()
123 	struct xlnx_axi_timer_data *data = dev->data;  in xlnx_axi_timer_set_alarm()
129 	if (cfg->callback == NULL) {  in xlnx_axi_timer_set_alarm()
130 		return -EINVAL;  in xlnx_axi_timer_set_alarm()
133 	if (data->alarm_callback != NULL) {  in xlnx_axi_timer_set_alarm()
134 		return -EBUSY;  in xlnx_axi_timer_set_alarm()
137 	if (cfg->ticks > xlnx_axi_timer_read32(dev, TLR0_OFFSET)) {  in xlnx_axi_timer_set_alarm()
138 		return -EINVAL;  in xlnx_axi_timer_set_alarm()
141 	if (cfg->flags & COUNTER_ALARM_CFG_ABSOLUTE) {  in xlnx_axi_timer_set_alarm()
145 		 * absolute alarms in a reliable way.  in xlnx_axi_timer_set_alarm()
147 		return -ENOTSUP;  in xlnx_axi_timer_set_alarm()
150 	LOG_DBG("triggering alarm in 0x%08x ticks", cfg->ticks);  in xlnx_axi_timer_set_alarm()
153 	xlnx_axi_timer_write32(dev, cfg->ticks, TLR1_OFFSET);  in xlnx_axi_timer_set_alarm()
158 	data->alarm_callback = cfg->callback;  in xlnx_axi_timer_set_alarm()
159 	data->alarm_user_data = cfg->user_data;  in xlnx_axi_timer_set_alarm()
174 	struct xlnx_axi_timer_data *data = dev->data;  in xlnx_axi_timer_cancel_alarm()
181 	data->alarm_callback = NULL;  in xlnx_axi_timer_cancel_alarm()
182 	data->alarm_user_data = NULL;  in xlnx_axi_timer_cancel_alarm()
190 	struct xlnx_axi_timer_data *data = dev->data;  in xlnx_axi_timer_set_top_value()
195 	if (cfg->ticks == 0) {  in xlnx_axi_timer_set_top_value()
196 		return -EINVAL;  in xlnx_axi_timer_set_top_value()
199 	if (data->alarm_callback) {  in xlnx_axi_timer_set_top_value()
200 		return -EBUSY;  in xlnx_axi_timer_set_top_value()
203 	LOG_DBG("setting top value to 0x%08x", cfg->ticks);  in xlnx_axi_timer_set_top_value()
205 	data->top_callback = cfg->callback;  in xlnx_axi_timer_set_top_value()
206 	data->top_user_data = cfg->user_data;  in xlnx_axi_timer_set_top_value()
208 	if (cfg->flags & COUNTER_TOP_CFG_DONT_RESET) {  in xlnx_axi_timer_set_top_value()
211 		if (cfg->flags & COUNTER_TOP_CFG_RESET_WHEN_LATE) {  in xlnx_axi_timer_set_top_value()
213 			reload = cfg->ticks < now;  in xlnx_axi_timer_set_top_value()
223 	xlnx_axi_timer_write32(dev, cfg->ticks, TLR0_OFFSET);  in xlnx_axi_timer_set_top_value()
235 	const struct xlnx_axi_timer_config *config = dev->config;  in xlnx_axi_timer_get_pending_int()
244 	if (config->info.channels > 0) {  in xlnx_axi_timer_get_pending_int()
263 	struct xlnx_axi_timer_data *data = dev->data;  in xlnx_axi_timer_isr()
273 		if (data->alarm_callback) {  in xlnx_axi_timer_isr()
275 			alarm_cb = data->alarm_callback;  in xlnx_axi_timer_isr()
276 			data->alarm_callback = NULL;  in xlnx_axi_timer_isr()
278 			alarm_cb(dev, 0, now, data->alarm_user_data);  in xlnx_axi_timer_isr()
286 		if (data->top_callback) {  in xlnx_axi_timer_isr()
287 			data->top_callback(dev, data->top_user_data);  in xlnx_axi_timer_isr()
294 	const struct xlnx_axi_timer_config *config = dev->config;  in xlnx_axi_timer_init()
296 	LOG_DBG("max top value = 0x%08x", config->info.max_top_value);  in xlnx_axi_timer_init()
297 	LOG_DBG("frequency = %d", config->info.freq);  in xlnx_axi_timer_init()
298 	LOG_DBG("channels = %d", config->info.channels);  in xlnx_axi_timer_init()
300 	xlnx_axi_timer_write32(dev, config->info.max_top_value, TLR0_OFFSET);  in xlnx_axi_timer_init()
303 	if (config->info.channels > 0) {  in xlnx_axi_timer_init()
307 	config->irq_config_func(dev);  in xlnx_axi_timer_init()
329 			GENMASK(DT_INST_PROP(n, xlnx_count_width) - 1, 0), \