mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-24 11:50:52 +07:00
b8bbd6b292
Add register definitions for the Baud Rate Generator for External Clock (BRG), as found in some SCIF and in HSCIF, including a new regtype for the "SH-4(A)"-derived SCIF variant with BRG. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
#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 */
|