[linux-2.6-block.git] / include / linux / serial_sci.h

#ifndef __LINUX_SERIAL_SCI_H
#define __LINUX_SERIAL_SCI_H

#include <linux/serial_core.h>
#include <linux/sh_dma.h>

/*
 * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
 */

enum {
	SCBRR_ALGO_1,		/* ((clk + 16 * bps) / (16 * bps) - 1) */
	SCBRR_ALGO_2,		/* ((clk + 16 * bps) / (32 * bps) - 1) */
	SCBRR_ALGO_3,		/* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */
	SCBRR_ALGO_4,		/* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */
	SCBRR_ALGO_5,		/* (((clk * 1000 / 32) / bps) - 1) */
};

#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)	/* not supported by all parts */
#define SCSCR_TOIE	(1 << 2)	/* not supported by all parts */
#define SCSCR_CKE1	(1 << 1)
#define SCSCR_CKE0	(1 << 0)

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

#define SCIx_IRQ_MUXED(irq)		\
{					\
	[SCIx_ERI_IRQ]	= (irq),	\
	[SCIx_RXI_IRQ]	= (irq),	\
	[SCIx_TXI_IRQ]	= (irq),	\
	[SCIx_BRI_IRQ]	= (irq),	\
}

struct device;

/*
 * Platform device specific platform_data struct
 */
struct plat_sci_port {
	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 */

	unsigned int	scbrr_algo_id;		/* SCBRR calculation algo */
	unsigned int	scscr;			/* SCSCR initialization */

	struct device	*dma_dev;

	unsigned int	dma_slave_tx;
	unsigned int	dma_slave_rx;
};

#endif /* __LINUX_SERIAL_SCI_H */
Commit	Line	Data
96de1a8f PM	1	#ifndef __LINUX_SERIAL_SCI_H
96de1a8f PM	2	#define __LINUX_SERIAL_SCI_H
ecd95616 PM	3
ecd95616 PM	4	#include <linux/serial_core.h>
14baf9d7	5	#include <linux/sh_dma.h>
ecd95616 PM	6
ecd95616 PM	7	/*
96de1a8f	8	* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
ecd95616 PM	9	*/
ecd95616 PM	10
26c92f37 PM	11	enum {
	12	SCBRR_ALGO_1, /* ((clk + 16 * bps) / (16 * bps) - 1) */
	13	SCBRR_ALGO_2, /* ((clk + 16 * bps) / (32 * bps) - 1) */
	14	SCBRR_ALGO_3, /* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */
	15	SCBRR_ALGO_4, /* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */
	16	SCBRR_ALGO_5, /* (((clk * 1000 / 32) / bps) - 1) */
	17	};
	18
00b9de9c PM	19	#define SCSCR_TIE (1 << 7)
	20	#define SCSCR_RIE (1 << 6)
	21	#define SCSCR_TE (1 << 5)
	22	#define SCSCR_RE (1 << 4)
f43dc23d	23	#define SCSCR_REIE (1 << 3) /* not supported by all parts */
00b9de9c PM	24	#define SCSCR_TOIE (1 << 2) /* not supported by all parts */
	25	#define SCSCR_CKE1 (1 << 1)
	26	#define SCSCR_CKE0 (1 << 0)
	27
ecd95616 PM	28	/* Offsets into the sci_port->irqs array */
	29	enum {
	30	SCIx_ERI_IRQ,
	31	SCIx_RXI_IRQ,
	32	SCIx_TXI_IRQ,
	33	SCIx_BRI_IRQ,
	34	SCIx_NR_IRQS,
	35	};
	36
22cc8378 PM	37	#define SCIx_IRQ_MUXED(irq) \
	38	{ \
	39	[SCIx_ERI_IRQ] = (irq), \
	40	[SCIx_RXI_IRQ] = (irq), \
	41	[SCIx_TXI_IRQ] = (irq), \
	42	[SCIx_BRI_IRQ] = (irq), \
	43	}
	44
73a19e4c GL	45	struct device;
73a19e4c GL	46
ecd95616 PM	47	/*
	48	* Platform device specific platform_data struct
	49	*/
	50	struct plat_sci_port {
ecd95616 PM	51	unsigned long mapbase; /* resource base */
	52	unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */
	53	unsigned int type; /* SCI / SCIF / IRDA */
	54	upf_t flags; /* UPF_* flags */
00b9de9c	55
26c92f37	56	unsigned int scbrr_algo_id; /* SCBRR calculation algo */
00b9de9c	57	unsigned int scscr; /* SCSCR initialization */
f43dc23d	58
73a19e4c	59	struct device *dma_dev;
f43dc23d	60
27bd1075 PM	61	unsigned int dma_slave_tx;
27bd1075 PM	62	unsigned int dma_slave_rx;
ecd95616 PM	63	};
ecd95616 PM	64
96de1a8f	65	#endif /* __LINUX_SERIAL_SCI_H */