56  * @param  ctx: receiver context to persist.
60 static int mdm_receiver_get(struct mdm_receiver_context *ctx)  in mdm_receiver_get()  argument
66 			contexts[i] = ctx;  in mdm_receiver_get()
79  * @param  ctx: receiver context.
83 static void mdm_receiver_flush(struct mdm_receiver_context *ctx)  in mdm_receiver_flush()  argument
87 	__ASSERT(ctx, "invalid ctx");  in mdm_receiver_flush()
88 	__ASSERT(ctx->uart_dev, "invalid ctx device");  in mdm_receiver_flush()
90 	while (uart_fifo_read(ctx->uart_dev, &c, 1) > 0) {  in mdm_receiver_flush()
107 	struct mdm_receiver_context *ctx;  in mdm_receiver_isr()  local
114 	ctx = context_from_dev(uart_dev);  in mdm_receiver_isr()
115 	if (!ctx) {  in mdm_receiver_isr()
120 	while (uart_irq_update(ctx->uart_dev) &&  in mdm_receiver_isr()
121 	       uart_irq_rx_ready(ctx->uart_dev)) {  in mdm_receiver_isr()
122 		rx = uart_fifo_read(ctx->uart_dev, read_buf, sizeof(read_buf));  in mdm_receiver_isr()
124 			ret = ring_buf_put(&ctx->rx_rb, read_buf, rx);  in mdm_receiver_isr()
129 				mdm_receiver_flush(ctx);  in mdm_receiver_isr()
130 				k_sem_give(&ctx->rx_sem);  in mdm_receiver_isr()
133 			k_sem_give(&ctx->rx_sem);  in mdm_receiver_isr()
141  * @param  ctx: receiver context.
145 static void mdm_receiver_setup(struct mdm_receiver_context *ctx)  in mdm_receiver_setup()  argument
147 	__ASSERT(ctx, "invalid ctx");  in mdm_receiver_setup()
149 	uart_irq_rx_disable(ctx->uart_dev);  in mdm_receiver_setup()
150 	uart_irq_tx_disable(ctx->uart_dev);  in mdm_receiver_setup()
151 	mdm_receiver_flush(ctx);  in mdm_receiver_setup()
152 	uart_irq_callback_set(ctx->uart_dev, mdm_receiver_isr);  in mdm_receiver_setup()
153 	uart_irq_rx_enable(ctx->uart_dev);  in mdm_receiver_setup()
165 int mdm_receiver_recv(struct mdm_receiver_context *ctx,  in mdm_receiver_recv()  argument
168 	if (!ctx) {  in mdm_receiver_recv()
177 	*bytes_read = ring_buf_get(&ctx->rx_rb, buf, size);  in mdm_receiver_recv()
181 int mdm_receiver_send(struct mdm_receiver_context *ctx,  in mdm_receiver_send()  argument
184 	if (!ctx) {  in mdm_receiver_send()
193 		uart_poll_out(ctx->uart_dev, *buf++);  in mdm_receiver_send()
199 int mdm_receiver_sleep(struct mdm_receiver_context *ctx)  in mdm_receiver_sleep()  argument
201 	uart_irq_rx_disable(ctx->uart_dev);  in mdm_receiver_sleep()
203 	pm_device_action_run(ctx->uart_dev, PM_DEVICE_ACTION_SUSPEND);  in mdm_receiver_sleep()
208 int mdm_receiver_wake(struct mdm_receiver_context *ctx)  in mdm_receiver_wake()  argument
211 	pm_device_action_run(ctx->uart_dev, PM_DEVICE_ACTION_RESUME);  in mdm_receiver_wake()
213 	uart_irq_rx_enable(ctx->uart_dev);  in mdm_receiver_wake()
218 int mdm_receiver_register(struct mdm_receiver_context *ctx,  in mdm_receiver_register()  argument
224 	if ((!ctx) || (size == 0)) {  in mdm_receiver_register()
234 	ctx->uart_dev = uart_dev;  in mdm_receiver_register()
235 	ring_buf_init(&ctx->rx_rb, size, buf);  in mdm_receiver_register()
236 	k_sem_init(&ctx->rx_sem, 0, 1);  in mdm_receiver_register()
238 	ret = mdm_receiver_get(ctx);  in mdm_receiver_register()
243 	mdm_receiver_setup(ctx);  in mdm_receiver_register()