5  * SPDX-License-Identifier: Apache-2.0
12  * - Uart ASYNC functionality is not implemented in current
75 	/* Level triggers when at least one element is in FIFO */
79 	/* Level triggers when half-fifo is half empty */
80 	.txFifoTriggerLevel = (CY_SCB_FIFO_SIZE / 2 - 1),
164 	return -1;  in _get_hw_block_num()
170 	struct ifx_cat1_uart_data *data = dev->data;  in ifx_cat1_uart_poll_in()
172 	rec = cyhal_uart_getc(&data->obj, c, 0u);  in ifx_cat1_uart_poll_in()
174 	return ((rec == CY_SCB_UART_RX_NO_DATA) ? -1 : 0);  in ifx_cat1_uart_poll_in()
179 	struct ifx_cat1_uart_data *data = dev->data;  in ifx_cat1_uart_poll_out()
181 	(void) cyhal_uart_putc(&data->obj, (uint32_t)c);  in ifx_cat1_uart_poll_out()
186 	struct ifx_cat1_uart_data *data = dev->data;  in ifx_cat1_uart_err_check()
187 	uint32_t status = Cy_SCB_UART_GetRxFifoStatus(data->obj.base);  in ifx_cat1_uart_err_check()
211 	struct ifx_cat1_uart_data *data = dev->data;  in ifx_cat1_uart_configure()
214 		.data_bits = _convert_uart_data_bits_z_to_cyhal(cfg->data_bits),  in ifx_cat1_uart_configure()
215 		.stop_bits = _convert_uart_stop_bits_z_to_cyhal(cfg->stop_bits),  in ifx_cat1_uart_configure()
216 		.parity = _convert_uart_parity_z_to_cyhal(cfg->parity)  in ifx_cat1_uart_configure()
220 	data->cfg = *cfg;  in ifx_cat1_uart_configure()
223 	result = cyhal_uart_configure(&data->obj, &uart_cfg);  in ifx_cat1_uart_configure()
227 		result = cyhal_uart_set_baud(&data->obj, cfg->baudrate, NULL);  in ifx_cat1_uart_configure()
231 	data->obj.pin_cts = NC;  in ifx_cat1_uart_configure()
232 	data->obj.pin_rts = NC;  in ifx_cat1_uart_configure()
235 	if ((result == CY_RSLT_SUCCESS) && cfg->flow_ctrl) {  in ifx_cat1_uart_configure()
236 		Cy_SCB_UART_EnableCts(data->obj.base);  in ifx_cat1_uart_configure()
239 	return (result == CY_RSLT_SUCCESS) ? 0 : -ENOTSUP;  in ifx_cat1_uart_configure()
247 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_config_get()
250 		return -EINVAL;  in ifx_cat1_uart_config_get()
253 	*cfg = data->cfg;  in ifx_cat1_uart_config_get()
265 	struct ifx_cat1_uart_data *const data = dev->data;  in _uart_event_callback_irq_mode()
267 	if (data->irq_cb != NULL) {  in _uart_event_callback_irq_mode()
268 		data->irq_cb(dev, data->irq_cb_data);  in _uart_event_callback_irq_mode()
272 /* Fill FIFO with data */
276 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_fifo_fill()
279 	(void)cyhal_uart_write(&data->obj, (uint8_t *) tx_data,  &_size);  in ifx_cat1_uart_fifo_fill()
287 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_fifo_read()
290 	(void)cyhal_uart_read(&data->obj, rx_data, &_size);  in ifx_cat1_uart_fifo_read()
297 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_tx_enable()
298 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_irq_tx_enable()
300 	cyhal_uart_enable_event(&data->obj,  in ifx_cat1_uart_irq_tx_enable()
302 				config->irq_priority, 1);  in ifx_cat1_uart_irq_tx_enable()
308 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_tx_disable()
309 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_irq_tx_disable()
311 	cyhal_uart_enable_event(&data->obj,  in ifx_cat1_uart_irq_tx_disable()
313 				config->irq_priority, 0);  in ifx_cat1_uart_irq_tx_disable()
319 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_tx_ready()
320 	uint32_t mask = Cy_SCB_GetTxInterruptStatusMasked(data->obj.base);  in ifx_cat1_uart_irq_tx_ready()
328 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_tx_complete()
330 	return (int) !(cyhal_uart_is_tx_active(&data->obj));  in ifx_cat1_uart_irq_tx_complete()
336 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_rx_enable()
337 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_irq_rx_enable()
339 	cyhal_uart_enable_event(&data->obj,  in ifx_cat1_uart_irq_rx_enable()
341 				config->irq_priority, 1);  in ifx_cat1_uart_irq_rx_enable()
347 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_rx_disable()
348 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_irq_rx_disable()
350 	cyhal_uart_enable_event(&data->obj,  in ifx_cat1_uart_irq_rx_disable()
352 				config->irq_priority, 0);  in ifx_cat1_uart_irq_rx_disable()
358 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_rx_ready()
360 	return cyhal_uart_readable(&data->obj) ? 1 : 0;  in ifx_cat1_uart_irq_rx_ready()
366 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_err_enable()
367 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_irq_err_enable()
369 	cyhal_uart_enable_event(&data->obj, (cyhal_uart_event_t)  in ifx_cat1_uart_irq_err_enable()
371 				config->irq_priority, 1);  in ifx_cat1_uart_irq_err_enable()
377 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_err_disable()
378 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_irq_err_disable()
380 	cyhal_uart_enable_event(&data->obj, (cyhal_uart_event_t)  in ifx_cat1_uart_irq_err_disable()
382 				config->irq_priority, 0);  in ifx_cat1_uart_irq_err_disable()
388 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_is_pending()
389 	uint32_t intcause = Cy_SCB_GetInterruptCause(data->obj.base);  in ifx_cat1_uart_irq_is_pending()
401 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_irq_update()
405 	    (Cy_SCB_UART_GetNumInRxFifo(data->obj.base) == 0u)) {  in ifx_cat1_uart_irq_update()
416 	struct ifx_cat1_uart_data *data = dev->data;  in ifx_cat1_uart_irq_callback_set()
417 	cyhal_uart_t *uart_obj = &data->obj;  in ifx_cat1_uart_irq_callback_set()
420 	data->irq_cb = cb;  in ifx_cat1_uart_irq_callback_set()
421 	data->irq_cb_data = cb_data;  in ifx_cat1_uart_irq_callback_set()
431 	struct ifx_cat1_uart_data *const data = dev->data;  in ifx_cat1_uart_init()
432 	const struct ifx_cat1_uart_config *const config = dev->config;  in ifx_cat1_uart_init()
437 		.resource = &data->hw_resource,  in ifx_cat1_uart_init()
439 		.clock = &data->clock,  in ifx_cat1_uart_init()
448 	data->hw_resource.type = CYHAL_RSC_SCB;  in ifx_cat1_uart_init()
449 	data->hw_resource.block_num = _get_hw_block_num(config->reg_addr);  in ifx_cat1_uart_init()
452 	ret = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);  in ifx_cat1_uart_init()
458 	result = _cyhal_utils_allocate_clock(&data->clock, &data->hw_resource,  in ifx_cat1_uart_init()
461 		return -ENOTSUP;  in ifx_cat1_uart_init()
465 	en_clk_dst_t clk_idx = _cyhal_scb_get_clock_index(uart_init_cfg.resource->block_num);  in ifx_cat1_uart_init()
469 		return -ENOTSUP;  in ifx_cat1_uart_init()
473 	result = cyhal_uart_init_cfg(&data->obj, &uart_init_cfg);  in ifx_cat1_uart_init()
475 		return -ENOTSUP;  in ifx_cat1_uart_init()
479 	data->obj.is_clock_owned = true;  in ifx_cat1_uart_init()
480 	ret = ifx_cat1_uart_configure(dev, &config->dt_cfg);  in ifx_cat1_uart_init()