serial_sci.h 987 字节
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#ifndef __LINUX_SERIAL_SCI_H
#define __LINUX_SERIAL_SCI_H
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#include <linux/serial_core.h>

/*
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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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#define SCSCR_TIE	(1 << 7)
#define SCSCR_RIE	(1 << 6)
#define SCSCR_TE	(1 << 5)
#define SCSCR_RE	(1 << 4)
#define SCSCR_REIE	(1 << 3)
#define SCSCR_TOIE	(1 << 2)	/* not supported by all parts */
#define SCSCR_CKE1	(1 << 1)
#define SCSCR_CKE0	(1 << 0)

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/* Offsets into the sci_port->irqs array */
enum {
	SCIx_ERI_IRQ,
	SCIx_RXI_IRQ,
	SCIx_TXI_IRQ,
	SCIx_BRI_IRQ,
	SCIx_NR_IRQS,
};

/*
 * Platform device specific platform_data struct
 */
struct plat_sci_port {
	void __iomem	*membase;		/* io cookie */
	unsigned long	mapbase;		/* resource base */
	unsigned int	irqs[SCIx_NR_IRQS];	/* ERI, RXI, TXI, BRI */
	unsigned int	type;			/* SCI / SCIF / IRDA */
	upf_t		flags;			/* UPF_* flags */
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	char		*clk;			/* clock string */
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	unsigned int	scscr;			/* SCSCR initialization */
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};

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#endif /* __LINUX_SERIAL_SCI_H */