1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __LINUX_SERIAL_SCI_H
3 #define __LINUX_SERIAL_SCI_H
5 #include <linux/bitops.h>
6 #include <linux/serial_core.h>
7 #include <linux/sh_dma.h>
10 * Generic header for SuperH (H)SCI(F) (used by sh/sh64 and related parts)
13 /* Serial Control Register (@ = not supported by all parts) */
14 #define SCSCR_TIE BIT(7) /* Transmit Interrupt Enable */
15 #define SCSCR_RIE BIT(6) /* Receive Interrupt Enable */
16 #define SCSCR_TE BIT(5) /* Transmit Enable */
17 #define SCSCR_RE BIT(4) /* Receive Enable */
18 #define SCSCR_REIE BIT(3) /* Receive Error Interrupt Enable @ */
19 #define SCSCR_TOIE BIT(2) /* Timeout Interrupt Enable @ */
20 #define SCSCR_CKE1 BIT(1) /* Clock Enable 1 */
21 #define SCSCR_CKE0 BIT(0) /* Clock Enable 0 */
31 SCIx_SH2_SCIF_FIFODATA_REGTYPE,
32 SCIx_SH3_SCIF_REGTYPE,
33 SCIx_SH4_SCIF_REGTYPE,
34 SCIx_SH4_SCIF_BRG_REGTYPE,
35 SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
36 SCIx_SH4_SCIF_FIFODATA_REGTYPE,
37 SCIx_SH7705_SCIF_REGTYPE,
39 SCIx_RZ_SCIFA_REGTYPE,
44 struct plat_sci_port_ops {
45 void (*init_pins)(struct uart_port *, unsigned int cflag);
49 * Platform device specific platform_data struct
51 struct plat_sci_port {
52 unsigned int type; /* SCI / SCIF / IRDA / HSCIF */
53 upf_t flags; /* UPF_* flags */
55 unsigned int sampling_rate;
56 unsigned int scscr; /* SCSCR initialization */
59 * Platform overrides if necessary, defaults otherwise.
61 unsigned char regtype;
63 struct plat_sci_port_ops *ops;
66 #endif /* __LINUX_SERIAL_SCI_H */