serial: sh-sci: Add DMA support.
[linux-2.6-block.git] / include / linux / serial_sci.h
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1#ifndef __LINUX_SERIAL_SCI_H
2#define __LINUX_SERIAL_SCI_H
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3
4#include <linux/serial_core.h>
73a19e4c 5#include <asm/dmaengine.h>
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6
7/*
96de1a8f 8 * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
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9 */
10
11/* Offsets into the sci_port->irqs array */
12enum {
13 SCIx_ERI_IRQ,
14 SCIx_RXI_IRQ,
15 SCIx_TXI_IRQ,
16 SCIx_BRI_IRQ,
17 SCIx_NR_IRQS,
18};
19
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20struct device;
21
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22/*
23 * Platform device specific platform_data struct
24 */
25struct plat_sci_port {
26 void __iomem *membase; /* io cookie */
27 unsigned long mapbase; /* resource base */
28 unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */
29 unsigned int type; /* SCI / SCIF / IRDA */
30 upf_t flags; /* UPF_* flags */
501b825d 31 char *clk; /* clock string */
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32 struct device *dma_dev;
33 enum sh_dmae_slave_chan_id dma_slave_tx;
34 enum sh_dmae_slave_chan_id dma_slave_rx;
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35};
36
96de1a8f 37#endif /* __LINUX_SERIAL_SCI_H */