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73a19e4c03
Support using DMA for sending and receiving data over SCI(F) interfaces of various SH SoCs. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
38 lines
836 B
C
38 lines
836 B
C
#ifndef __LINUX_SERIAL_SCI_H
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#define __LINUX_SERIAL_SCI_H
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#include <linux/serial_core.h>
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#include <asm/dmaengine.h>
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/*
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* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
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*/
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/* Offsets into the sci_port->irqs array */
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enum {
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SCIx_ERI_IRQ,
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SCIx_RXI_IRQ,
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SCIx_TXI_IRQ,
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SCIx_BRI_IRQ,
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SCIx_NR_IRQS,
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};
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struct device;
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/*
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* Platform device specific platform_data struct
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*/
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struct plat_sci_port {
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void __iomem *membase; /* io cookie */
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unsigned long mapbase; /* resource base */
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unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */
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unsigned int type; /* SCI / SCIF / IRDA */
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upf_t flags; /* UPF_* flags */
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char *clk; /* clock string */
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struct device *dma_dev;
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enum sh_dmae_slave_chan_id dma_slave_tx;
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enum sh_dmae_slave_chan_id dma_slave_rx;
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};
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#endif /* __LINUX_SERIAL_SCI_H */
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