C++ (Cpp) cpm_uart_int_tx Examples

Example #1

File: cpm_uart_core.c Project: 3sOx/asuswrt-merlin

/*
 * Asynchron mode interrupt handler
 */
static irqreturn_t cpm_uart_int(int irq, void *data)
{
	u8 events;
	struct uart_port *port = (struct uart_port *)data;
	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
	volatile smc_t *smcp = pinfo->smcp;
	volatile scc_t *sccp = pinfo->sccp;

	pr_debug("CPM uart[%d]:IRQ\n", port->line);

	if (IS_SMC(pinfo)) {
		events = smcp->smc_smce;
		smcp->smc_smce = events;
		if (events & SMCM_BRKE)
			uart_handle_break(port);
		if (events & SMCM_RX)
			cpm_uart_int_rx(port);
		if (events & SMCM_TX)
			cpm_uart_int_tx(port);
	} else {
		events = sccp->scc_scce;
		sccp->scc_scce = events;
		if (events & UART_SCCM_BRKE)
			uart_handle_break(port);
		if (events & UART_SCCM_RX)
			cpm_uart_int_rx(port);
		if (events & UART_SCCM_TX)
			cpm_uart_int_tx(port);
	}
	return (events) ? IRQ_HANDLED : IRQ_NONE;
}

Example #2

File: cpm_uart_core.c Project: johnny/CobraDroidBeta

/*
 * Asynchron mode interrupt handler
 */
static irqreturn_t cpm_uart_int(int irq, void *data)
{
	u8 events;
	struct uart_port *port = data;
	struct uart_cpm_port *pinfo = (struct uart_cpm_port *)port;
	smc_t __iomem *smcp = pinfo->smcp;
	scc_t __iomem *sccp = pinfo->sccp;

	pr_debug("CPM uart[%d]:IRQ\n", port->line);

	if (IS_SMC(pinfo)) {
		events = in_8(&smcp->smc_smce);
		out_8(&smcp->smc_smce, events);
		if (events & SMCM_BRKE)
			uart_handle_break(port);
		if (events & SMCM_RX)
			cpm_uart_int_rx(port);
		if (events & SMCM_TX)
			cpm_uart_int_tx(port);
	} else {
		events = in_be16(&sccp->scc_scce);
		out_be16(&sccp->scc_scce, events);
		if (events & UART_SCCM_BRKE)
			uart_handle_break(port);
		if (events & UART_SCCM_RX)
			cpm_uart_int_rx(port);
		if (events & UART_SCCM_TX)
			cpm_uart_int_tx(port);
	}
	return (events) ? IRQ_HANDLED : IRQ_NONE;
}