You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
65 lines
1.6 KiB
65 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#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)
|
|
*/
|
|
|
|
/* 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 plat_sci_port_ops {
|
|
void (*init_pins)(struct uart_port *, unsigned int cflag);
|
|
};
|
|
|
|
/*
|
|
* Platform device specific platform_data struct
|
|
*/
|
|
struct plat_sci_port {
|
|
unsigned int type; /* SCI / SCIF / IRDA / HSCIF */
|
|
upf_t flags; /* UPF_* flags */
|
|
|
|
unsigned int sampling_rate;
|
|
unsigned int scscr; /* SCSCR initialization */
|
|
|
|
/*
|
|
* Platform overrides if necessary, defaults otherwise.
|
|
*/
|
|
unsigned char regtype;
|
|
|
|
struct plat_sci_port_ops *ops;
|
|
};
|
|
|
|
#endif /* __LINUX_SERIAL_SCI_H */
|
|
|