Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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/* Serial Control Register (@ = not supported by all parts) */
13#define SCSCR_TIE BIT(7) /* Transmit Interrupt Enable */
14#define SCSCR_RIE BIT(6) /* Receive Interrupt Enable */
15#define SCSCR_TE BIT(5) /* Transmit Enable */
16#define SCSCR_RE BIT(4) /* Receive Enable */
17#define SCSCR_REIE BIT(3) /* Receive Error Interrupt Enable @ */
18#define SCSCR_TOIE BIT(2) /* Timeout Interrupt Enable @ */
19#define SCSCR_CKE1 BIT(1) /* Clock Enable 1 */
20#define SCSCR_CKE0 BIT(0) /* Clock Enable 0 */
21
22
23enum {
24 SCIx_PROBE_REGTYPE,
25
26 SCIx_SCI_REGTYPE,
27 SCIx_IRDA_REGTYPE,
28 SCIx_SCIFA_REGTYPE,
29 SCIx_SCIFB_REGTYPE,
30 SCIx_SH2_SCIF_FIFODATA_REGTYPE,
31 SCIx_SH3_SCIF_REGTYPE,
32 SCIx_SH4_SCIF_REGTYPE,
33 SCIx_SH4_SCIF_BRG_REGTYPE,
34 SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
35 SCIx_SH4_SCIF_FIFODATA_REGTYPE,
36 SCIx_SH7705_SCIF_REGTYPE,
37 SCIx_HSCIF_REGTYPE,
38
39 SCIx_NR_REGTYPES,
40};
41
42struct plat_sci_port_ops {
43 void (*init_pins)(struct uart_port *, unsigned int cflag);
44};
45
46/*
47 * Platform device specific platform_data struct
48 */
49struct plat_sci_port {
50 unsigned int type; /* SCI / SCIF / IRDA / HSCIF */
51 upf_t flags; /* UPF_* flags */
52
53 unsigned int sampling_rate;
54 unsigned int scscr; /* SCSCR initialization */
55
56 /*
57 * Platform overrides if necessary, defaults otherwise.
58 */
59 unsigned char regtype;
60
61 struct plat_sci_port_ops *ops;
62};
63
64#endif /* __LINUX_SERIAL_SCI_H */