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Diffstat (limited to 'include/linux/serial_sci.h')
-rw-r--r--include/linux/serial_sci.h86
1 files changed, 11 insertions, 75 deletions
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 6c5e3bb28..7c536ac5b 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -1,6 +1,7 @@
#ifndef __LINUX_SERIAL_SCI_H
#define __LINUX_SERIAL_SCI_H
+#include <linux/bitops.h>
#include <linux/serial_core.h>
#include <linux/sh_dma.h>
@@ -10,59 +11,16 @@
#define SCIx_NOT_SUPPORTED (-1)
-/* SCSMR (Serial Mode Register) */
-#define SCSMR_CHR (1 << 6) /* 7-bit Character Length */
-#define SCSMR_PE (1 << 5) /* Parity Enable */
-#define SCSMR_ODD (1 << 4) /* Odd Parity */
-#define SCSMR_STOP (1 << 3) /* Stop Bit Length */
-#define SCSMR_CKS 0x0003 /* Clock Select */
-
/* Serial Control Register (@ = not supported by all parts) */
-#define SCSCR_TIE (1 << 7) /* Transmit Interrupt Enable */
-#define SCSCR_RIE (1 << 6) /* Receive Interrupt Enable */
-#define SCSCR_TE (1 << 5) /* Transmit Enable */
-#define SCSCR_RE (1 << 4) /* Receive Enable */
-#define SCSCR_REIE (1 << 3) /* Receive Error Interrupt Enable @ */
-#define SCSCR_TOIE (1 << 2) /* Timeout Interrupt Enable @ */
-#define SCSCR_CKE1 (1 << 1) /* Clock Enable 1 */
-#define SCSCR_CKE0 (1 << 0) /* Clock Enable 0 */
-/* SCIFA/SCIFB only */
-#define SCSCR_TDRQE (1 << 15) /* Tx Data Transfer Request Enable */
-#define SCSCR_RDRQE (1 << 14) /* Rx Data Transfer Request Enable */
-
-/* SCxSR (Serial Status Register) on SCI */
-#define SCI_TDRE 0x80 /* Transmit Data Register Empty */
-#define SCI_RDRF 0x40 /* Receive Data Register Full */
-#define SCI_ORER 0x20 /* Overrun Error */
-#define SCI_FER 0x10 /* Framing Error */
-#define SCI_PER 0x08 /* Parity Error */
-#define SCI_TEND 0x04 /* Transmit End */
-
-#define SCI_DEFAULT_ERROR_MASK (SCI_PER | SCI_FER)
-
-/* SCxSR (Serial Status Register) on SCIF, HSCIF */
-#define SCIF_ER 0x0080 /* Receive Error */
-#define SCIF_TEND 0x0040 /* Transmission End */
-#define SCIF_TDFE 0x0020 /* Transmit FIFO Data Empty */
-#define SCIF_BRK 0x0010 /* Break Detect */
-#define SCIF_FER 0x0008 /* Framing Error */
-#define SCIF_PER 0x0004 /* Parity Error */
-#define SCIF_RDF 0x0002 /* Receive FIFO Data Full */
-#define SCIF_DR 0x0001 /* Receive Data Ready */
-
-#define SCIF_DEFAULT_ERROR_MASK (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
-
-/* SCFCR (FIFO Control Register) */
-#define SCFCR_LOOP (1 << 0) /* Loopback Test */
-
-/* SCSPTR (Serial Port Register), optional */
-#define SCSPTR_RTSIO (1 << 7) /* Serial Port RTS Pin Input/Output */
-#define SCSPTR_CTSIO (1 << 5) /* Serial Port CTS Pin Input/Output */
-#define SCSPTR_SPB2IO (1 << 1) /* Serial Port Break Input/Output */
-#define SCSPTR_SPB2DT (1 << 0) /* Serial Port Break Data */
-
-/* HSSRR HSCIF */
-#define HSCIF_SRE 0x8000 /* Sampling Rate Register Enable */
+#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,
@@ -82,28 +40,6 @@ enum {
SCIx_NR_REGTYPES,
};
-/*
- * SCI register subset common for all port types.
- * Not all registers will exist on all parts.
- */
-enum {
- SCSMR, /* Serial Mode Register */
- SCBRR, /* Bit Rate Register */
- SCSCR, /* Serial Control Register */
- SCxSR, /* Serial Status Register */
- SCFCR, /* FIFO Control Register */
- SCFDR, /* FIFO Data Count Register */
- SCxTDR, /* Transmit (FIFO) Data Register */
- SCxRDR, /* Receive (FIFO) Data Register */
- SCLSR, /* Line Status Register */
- SCTFDR, /* Transmit FIFO Data Count Register */
- SCRFDR, /* Receive FIFO Data Count Register */
- SCSPTR, /* Serial Port Register */
- HSSRR, /* Sampling Rate Register */
-
- SCIx_NR_REGS,
-};
-
struct device;
struct plat_sci_port_ops {
@@ -113,7 +49,7 @@ struct plat_sci_port_ops {
/*
* Port-specific capabilities
*/
-#define SCIx_HAVE_RTSCTS (1 << 0)
+#define SCIx_HAVE_RTSCTS BIT(0)
/*
* Platform device specific platform_data struct