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66 lines
1.6 KiB
66 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __LINUX_SERIAL_SCI_H |
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#define __LINUX_SERIAL_SCI_H |
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#include <linux/bitops.h> |
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#include <linux/serial_core.h> |
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#include <linux/sh_dma.h> |
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/* |
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* Generic header for SuperH (H)SCI(F) (used by sh/sh64 and related parts) |
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*/ |
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/* Serial Control Register (@ = not supported by all parts) */ |
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#define SCSCR_TIE BIT(7) /* Transmit Interrupt Enable */ |
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#define SCSCR_RIE BIT(6) /* Receive Interrupt Enable */ |
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#define SCSCR_TE BIT(5) /* Transmit Enable */ |
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#define SCSCR_RE BIT(4) /* Receive Enable */ |
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#define SCSCR_REIE BIT(3) /* Receive Error Interrupt Enable @ */ |
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#define SCSCR_TOIE BIT(2) /* Timeout Interrupt Enable @ */ |
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#define SCSCR_CKE1 BIT(1) /* Clock Enable 1 */ |
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#define SCSCR_CKE0 BIT(0) /* Clock Enable 0 */ |
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enum { |
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SCIx_PROBE_REGTYPE, |
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SCIx_SCI_REGTYPE, |
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SCIx_IRDA_REGTYPE, |
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SCIx_SCIFA_REGTYPE, |
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SCIx_SCIFB_REGTYPE, |
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SCIx_SH2_SCIF_FIFODATA_REGTYPE, |
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SCIx_SH3_SCIF_REGTYPE, |
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SCIx_SH4_SCIF_REGTYPE, |
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SCIx_SH4_SCIF_BRG_REGTYPE, |
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SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE, |
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SCIx_SH4_SCIF_FIFODATA_REGTYPE, |
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SCIx_SH7705_SCIF_REGTYPE, |
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SCIx_HSCIF_REGTYPE, |
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SCIx_RZ_SCIFA_REGTYPE, |
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SCIx_NR_REGTYPES, |
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}; |
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struct plat_sci_port_ops { |
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void (*init_pins)(struct uart_port *, unsigned int cflag); |
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}; |
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/* |
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* Platform device specific platform_data struct |
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*/ |
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struct plat_sci_port { |
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unsigned int type; /* SCI / SCIF / IRDA / HSCIF */ |
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upf_t flags; /* UPF_* flags */ |
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unsigned int sampling_rate; |
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unsigned int scscr; /* SCSCR initialization */ |
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/* |
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* Platform overrides if necessary, defaults otherwise. |
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*/ |
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unsigned char regtype; |
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struct plat_sci_port_ops *ops; |
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}; |
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#endif /* __LINUX_SERIAL_SCI_H */
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