[mirror_ubuntu-artful-kernel.git] / include / linux / serial_sci.h

#ifndef __LINUX_SERIAL_SCI_H
#define __LINUX_SERIAL_SCI_H

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

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

#define SCIx_NOT_SUPPORTED	(-1)

/* Serial Control Register (@ = not supported by all parts) */
#define SCSCR_TIE	BIT(7)	/* Transmit Interrupt Enable */
#define SCSCR_RIE	BIT(6)	/* Receive Interrupt Enable */
#define SCSCR_TE	BIT(5)	/* Transmit Enable */
#define SCSCR_RE	BIT(4)	/* Receive Enable */
#define SCSCR_REIE	BIT(3)	/* Receive Error Interrupt Enable @ */
#define SCSCR_TOIE	BIT(2)	/* Timeout Interrupt Enable @ */
#define SCSCR_CKE1	BIT(1)	/* Clock Enable 1 */
#define SCSCR_CKE0	BIT(0)	/* Clock Enable 0 */


enum {
	SCIx_PROBE_REGTYPE,

	SCIx_SCI_REGTYPE,
	SCIx_IRDA_REGTYPE,
	SCIx_SCIFA_REGTYPE,
	SCIx_SCIFB_REGTYPE,
	SCIx_SH2_SCIF_FIFODATA_REGTYPE,
	SCIx_SH3_SCIF_REGTYPE,
	SCIx_SH4_SCIF_REGTYPE,
	SCIx_SH4_SCIF_BRG_REGTYPE,
	SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
	SCIx_SH4_SCIF_FIFODATA_REGTYPE,
	SCIx_SH7705_SCIF_REGTYPE,
	SCIx_HSCIF_REGTYPE,

	SCIx_NR_REGTYPES,
};

struct device;

struct plat_sci_port_ops {
	void (*init_pins)(struct uart_port *, unsigned int cflag);
};

/*
 * Port-specific capabilities
 */
#define SCIx_HAVE_RTSCTS	BIT(0)

/*
 * Platform device specific platform_data struct
 */
struct plat_sci_port {
	unsigned int	type;			/* SCI / SCIF / IRDA / HSCIF */
	upf_t		flags;			/* UPF_* flags */
	unsigned long	capabilities;		/* Port features/capabilities */

	unsigned int	sampling_rate;
	unsigned int	scscr;			/* SCSCR initialization */

	/*
	 * Platform overrides if necessary, defaults otherwise.
	 */
	int		port_reg;
	unsigned char	regshift;
	unsigned char	regtype;

	struct plat_sci_port_ops	*ops;

	unsigned int	dma_slave_tx;
	unsigned int	dma_slave_rx;
};

#endif /* __LINUX_SERIAL_SCI_H */
Commit	Line	Data
	1	#ifndef __LINUX_SERIAL_SCI_H
	2	#define __LINUX_SERIAL_SCI_H
	3
	4	#include <linux/bitops.h>
	5	#include <linux/serial_core.h>
	6	#include <linux/sh_dma.h>
	7
	8	/*
	9	* Generic header for SuperH (H)SCI(F) (used by sh/sh64 and related parts)
	10	*/
	11
	12	#define SCIx_NOT_SUPPORTED (-1)
	13
	14	/* Serial Control Register (@ = not supported by all parts) */
	15	#define SCSCR_TIE BIT(7) /* Transmit Interrupt Enable */
	16	#define SCSCR_RIE BIT(6) /* Receive Interrupt Enable */
	17	#define SCSCR_TE BIT(5) /* Transmit Enable */
	18	#define SCSCR_RE BIT(4) /* Receive Enable */
	19	#define SCSCR_REIE BIT(3) /* Receive Error Interrupt Enable @ */
	20	#define SCSCR_TOIE BIT(2) /* Timeout Interrupt Enable @ */
	21	#define SCSCR_CKE1 BIT(1) /* Clock Enable 1 */
	22	#define SCSCR_CKE0 BIT(0) /* Clock Enable 0 */
	23
	24
	25	enum {
	26	SCIx_PROBE_REGTYPE,
	27
	28	SCIx_SCI_REGTYPE,
	29	SCIx_IRDA_REGTYPE,
	30	SCIx_SCIFA_REGTYPE,
	31	SCIx_SCIFB_REGTYPE,
	32	SCIx_SH2_SCIF_FIFODATA_REGTYPE,
	33	SCIx_SH3_SCIF_REGTYPE,
	34	SCIx_SH4_SCIF_REGTYPE,
	35	SCIx_SH4_SCIF_BRG_REGTYPE,
	36	SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
	37	SCIx_SH4_SCIF_FIFODATA_REGTYPE,
	38	SCIx_SH7705_SCIF_REGTYPE,
	39	SCIx_HSCIF_REGTYPE,
	40
	41	SCIx_NR_REGTYPES,
	42	};
	43
	44	struct device;
	45
	46	struct plat_sci_port_ops {
	47	void (init_pins)(struct uart_port , unsigned int cflag);
	48	};
	49
	50	/*
	51	* Port-specific capabilities
	52	*/
	53	#define SCIx_HAVE_RTSCTS BIT(0)
	54
	55	/*
	56	* Platform device specific platform_data struct
	57	*/
	58	struct plat_sci_port {
	59	unsigned int type; /* SCI / SCIF / IRDA / HSCIF */
	60	upf_t flags; /* UPF_* flags */
	61	unsigned long capabilities; /* Port features/capabilities */
	62
	63	unsigned int sampling_rate;
	64	unsigned int scscr; /* SCSCR initialization */
	65
	66	/*
	67	* Platform overrides if necessary, defaults otherwise.
	68	*/
	69	int port_reg;
	70	unsigned char regshift;
	71	unsigned char regtype;
	72
	73	struct plat_sci_port_ops *ops;
	74
	75	unsigned int dma_slave_tx;
	76	unsigned int dma_slave_rx;
	77	};
	78
	79	#endif /* __LINUX_SERIAL_SCI_H */