Esempi in C++ (Cpp) per SIRFUART_RX_DMA_INT_EN

Esempio n. 1

File: sirfsoc_uart.c Progetto: 020gzh/linux

/* submit rx dma task into dmaengine */
static void sirfsoc_uart_start_next_rx_dma(struct uart_port *port)
{
	struct sirfsoc_uart_port *sirfport = to_sirfport(port);
	struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
	struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
	wr_regl(port, ureg->sirfsoc_rx_dma_io_ctrl,
		rd_regl(port, ureg->sirfsoc_rx_dma_io_ctrl) &
		~SIRFUART_IO_MODE);
	sirfport->rx_dma_items.xmit.tail =
		sirfport->rx_dma_items.xmit.head = 0;
	sirfport->rx_dma_items.desc =
		dmaengine_prep_dma_cyclic(sirfport->rx_dma_chan,
		sirfport->rx_dma_items.dma_addr, SIRFSOC_RX_DMA_BUF_SIZE,
		SIRFSOC_RX_DMA_BUF_SIZE / 2,
		DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT);
	if (IS_ERR_OR_NULL(sirfport->rx_dma_items.desc)) {
		dev_err(port->dev, "DMA slave single fail\n");
		return;
	}
	sirfport->rx_dma_items.desc->callback =
		sirfsoc_uart_rx_dma_complete_callback;
	sirfport->rx_dma_items.desc->callback_param = sirfport;
	sirfport->rx_dma_items.cookie =
		dmaengine_submit(sirfport->rx_dma_items.desc);
	dma_async_issue_pending(sirfport->rx_dma_chan);
	if (!sirfport->is_atlas7)
		wr_regl(port, ureg->sirfsoc_int_en_reg,
				rd_regl(port, ureg->sirfsoc_int_en_reg) |
				SIRFUART_RX_DMA_INT_EN(uint_en,
				sirfport->uart_reg->uart_type));
	else
		wr_regl(port, ureg->sirfsoc_int_en_reg,
				SIRFUART_RX_DMA_INT_EN(uint_en,
				sirfport->uart_reg->uart_type));
}

Esempio n. 2

File: sirfsoc_uart.c Progetto: 19Dan01/linux

static void sirfsoc_uart_stop_rx(struct uart_port *port)
{
	struct sirfsoc_uart_port *sirfport = to_sirfport(port);
	struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
	struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;

	wr_regl(port, ureg->sirfsoc_rx_fifo_op, 0);
	if (sirfport->rx_dma_chan) {
		if (!sirfport->is_atlas7)
			wr_regl(port, ureg->sirfsoc_int_en_reg,
				rd_regl(port, ureg->sirfsoc_int_en_reg) &
				~(SIRFUART_RX_DMA_INT_EN(port, uint_en) |
				uint_en->sirfsoc_rx_done_en));
		else
			wr_regl(port, SIRFUART_INT_EN_CLR,
					SIRFUART_RX_DMA_INT_EN(port, uint_en)|
					uint_en->sirfsoc_rx_done_en);
		dmaengine_terminate_all(sirfport->rx_dma_chan);
	} else {
		if (!sirfport->is_atlas7)
			wr_regl(port, ureg->sirfsoc_int_en_reg,
				rd_regl(port, ureg->sirfsoc_int_en_reg)&
				~(SIRFUART_RX_IO_INT_EN(port, uint_en)));
		else
			wr_regl(port, SIRFUART_INT_EN_CLR,
					SIRFUART_RX_IO_INT_EN(port, uint_en));
	}
}

Esempio n. 3

File: sirfsoc_uart.c Progetto: AnadoluPanteri/kernel-plus-harmattan

/* submit rx dma task into dmaengine */
static void sirfsoc_uart_start_next_rx_dma(struct uart_port *port)
{
	struct sirfsoc_uart_port *sirfport = to_sirfport(port);
	struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
	struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
	unsigned long flags;
	int i;
	spin_lock_irqsave(&sirfport->rx_lock, flags);
	sirfport->rx_io_count = 0;
	wr_regl(port, ureg->sirfsoc_rx_dma_io_ctrl,
		rd_regl(port, ureg->sirfsoc_rx_dma_io_ctrl) &
		~SIRFUART_IO_MODE);
	spin_unlock_irqrestore(&sirfport->rx_lock, flags);
	for (i = 0; i < SIRFSOC_RX_LOOP_BUF_CNT; i++)
		sirfsoc_rx_submit_one_dma_desc(port, i);
	sirfport->rx_completed = sirfport->rx_issued = 0;
	spin_lock_irqsave(&sirfport->rx_lock, flags);
	if (!sirfport->is_marco)
		wr_regl(port, ureg->sirfsoc_int_en_reg,
				rd_regl(port, ureg->sirfsoc_int_en_reg) |
				SIRFUART_RX_DMA_INT_EN(port, uint_en));
	else
		wr_regl(port, ureg->sirfsoc_int_en_reg,
			SIRFUART_RX_DMA_INT_EN(port, uint_en));
	spin_unlock_irqrestore(&sirfport->rx_lock, flags);
}

Esempio n. 4

File: sirfsoc_uart.c Progetto: 19Dan01/linux

/* submit rx dma task into dmaengine */
static void sirfsoc_uart_start_next_rx_dma(struct uart_port *port)
{
	struct sirfsoc_uart_port *sirfport = to_sirfport(port);
	struct sirfsoc_register *ureg = &sirfport->uart_reg->uart_reg;
	struct sirfsoc_int_en *uint_en = &sirfport->uart_reg->uart_int_en;
	int i;
	sirfport->rx_io_count = 0;
	wr_regl(port, ureg->sirfsoc_rx_dma_io_ctrl,
		rd_regl(port, ureg->sirfsoc_rx_dma_io_ctrl) &
		~SIRFUART_IO_MODE);
	for (i = 0; i < SIRFSOC_RX_LOOP_BUF_CNT; i++)
		sirfsoc_rx_submit_one_dma_desc(port, i);
	sirfport->rx_completed = sirfport->rx_issued = 0;
	if (!sirfport->is_atlas7)
		wr_regl(port, ureg->sirfsoc_int_en_reg,
				rd_regl(port, ureg->sirfsoc_int_en_reg) |
				SIRFUART_RX_DMA_INT_EN(port, uint_en));
	else
		wr_regl(port, ureg->sirfsoc_int_en_reg,
			SIRFUART_RX_DMA_INT_EN(port, uint_en));
}