Release 4.10 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 */
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