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-rw-r--r--c/src/lib/libbsp/m68k/mrm332/console/sci.h245
1 files changed, 245 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mrm332/console/sci.h b/c/src/lib/libbsp/m68k/mrm332/console/sci.h
new file mode 100644
index 0000000000..7f4ddfaf18
--- /dev/null
+++ b/c/src/lib/libbsp/m68k/mrm332/console/sci.h
@@ -0,0 +1,245 @@
+/****************************************************************************
+* File: sci.h
+*
+* Desc: This is the include file for the serial communications interface.
+*
+* Note: See bsp.h,confdefs.h,system.h for installing drivers into RTEMS.
+*
+* $Id$
+****************************************************************************/
+
+
+#ifndef _sci_h_
+#define _sci_h_
+
+
+/*******************************************************************************
+ IOCTL commands for the sci driver.
+ I'm still working on these...
+*******************************************************************************/
+
+#define SCI_IOCTL_PARITY_NONE 0x00 // no parity bit after the data bits
+#define SCI_IOCTL_PARITY_ODD 0x01 // parity bit added after data bits
+#define SCI_IOCTL_PARITY_EVEN 0x02 // parity bit added after data bits
+#define SCI_IOCTL_PARITY_MARK 0x03 // parity bit is lo, -12 volts, logical 1
+#define SCI_IOCTL_PARITY_SPACE 0x04 // parity bit is hi, +12 volts, logical 0
+#define SCI_IOCTL_PARITY_FORCED_ON 0x03 // parity bit is forced hi or lo
+#define SCI_IOCTL_PARITY_FORCED_OFF 0x04 // parity bit is forced hi or lo
+
+#define SCI_IOCTL_BAUD_RATE 0x20 // set the baud rate, arg is baud
+
+#define SCI_IOCTL_DATA_BITS 0x30 // set the data bits, arg is # bits
+
+#define SCI_IOCTL_STOP_BITS_1 0x40 // 1 stop bit after char frame
+#define SCI_IOCTL_STOP_BITS_2 0x41 // 2 stop bit after char frame
+
+#define SCI_IOCTL_MODE_NORMAL 0x50 // normal operating mode
+#define SCI_IOCTL_MODE_LOOP 0x51 // internal loopback mode
+
+#define SCI_IOCTL_FLOW_NONE 0x60 // no flow control
+#define SCI_IOCTL_FLOW_RTS_CTS 0x61 // hardware flow control
+
+#define SCI_IOCTL_SEND_BREAK 0x70 // send an rs-232 break
+
+#define SCI_IOCTL_MODE_1200 0x80 // 1200,n,8,1 download mode
+#define SCI_IOCTL_MODE_9600 0x81 // 9600,n,8,1 download mode
+#define SCI_IOCTL_MODE_9_BIT 0x82 // 9600,forced,8,1 command mode
+
+
+
+/*******************************************************************************
+ SCI Registers
+*******************************************************************************/
+
+
+// SCI Control Register 0 (SCCR0) $FFFC08
+
+// 8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
+// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
+// | | | | | | | | | | | | | | | |
+// | | | | | | | | | | | | | | | +----- 0 baud rate divisor
+// | | | | | | | | | | | | | | +------- 1 baud rate divisor
+// | | | | | | | | | | | | | +--------- 2 baud rate divisor
+// | | | | | | | | | | | | +----------- 3 baud rate divisor
+// | | | | | | | | | | | |
+// | | | | | | | | | | | +--------------- 4 baud rate divisor
+// | | | | | | | | | | +----------------- 5 baud rate divisor
+// | | | | | | | | | +------------------- 6 baud rate divisor
+// | | | | | | | | +--------------------- 7 baud rate divisor
+// | | | | | | | |
+// | | | | | | | +------------------------- 8 baud rate divisor
+// | | | | | | +--------------------------- 9 baud rate divisor
+// | | | | | +----------------------------- 10 baud rate divisor
+// | | | | +------------------------------- 11 baud rate divisor
+// | | | |
+// | | | +----------------------------------- 12 baud rate divisor
+// | | +------------------------------------- 13 unused
+// | +--------------------------------------- 14 unused
+// +----------------------------------------- 15 unused
+
+// 0 0 0 0 - 0 0 0 0 - 0 0 0 0 - 0 1 0 0 reset value - (64k baud?)
+
+
+#define SCI_BAUD_57_6K 9
+#define SCI_BAUD_38_4K 14
+#define SCI_BAUD_19_2K 27
+#define SCI_BAUD_9600 55
+#define SCI_BAUD_4800 109
+#define SCI_BAUD_2400 218
+#define SCI_BAUD_1200 437
+
+
+
+// SCI Control Register 1 (SCCR1) $FFFC0A
+
+// 8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
+// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
+// | | | | | | | | | | | | | | | |
+// | | | | | | | | | | | | | | | +----- 0 send a break
+// | | | | | | | | | | | | | | +------- 1 rcvr wakeup mode
+// | | | | | | | | | | | | | +--------- 2 rcvr enable
+// | | | | | | | | | | | | +----------- 3 xmtr enable
+// | | | | | | | | | | | |
+// | | | | | | | | | | | +--------------- 4 idle line intr enable
+// | | | | | | | | | | +----------------- 5 rcvr intr enable
+// | | | | | | | | | +------------------- 6 xmit complete intr enable
+// | | | | | | | | +--------------------- 7 xmtr intr enable
+// | | | | | | | |
+// | | | | | | | +------------------------- 8 wakeup on address mark
+// | | | | | | +--------------------------- 9 mode 1=9 bits, 0=8 bits
+// | | | | | +----------------------------- 10 parity enable 1=on, 0=off
+// | | | | +------------------------------- 11 parity type 1=odd, 0=even
+// | | | |
+// | | | +----------------------------------- 12 idle line select
+// | | +------------------------------------- 13 wired-or mode
+// | +--------------------------------------- 14 loop mode
+// +----------------------------------------- 15 unused
+
+// 0 0 0 0 - 0 0 0 0 - 0 0 0 0 - 0 0 0 0 reset value
+
+#define SCI_SEND_BREAK 0x0001 // 0000-0000-0000-0001
+#define SCI_RCVR_WAKEUP 0x0002 // 0000-0000-0000-0010
+#define SCI_ENABLE_RCVR 0x0004 // 0000-0000-0000-0100
+#define SCI_ENABLE_XMTR 0x0008 // 0000-0000-0000-1000
+
+#define SCI_DISABLE_RCVR 0xFFFB // 1111-1111-1111-1011
+#define SCI_DISABLE_XMTR 0xFFF7 // 1111-1111-1111-0111
+
+#define SCI_ENABLE_INT_IDLE 0x0010 // 0000-0000-0001-0000
+#define SCI_ENABLE_INT_RX 0x0020 // 0000-0000-0010-0000
+#define SCI_ENABLE_INT_TX_DONE 0x0040 // 0000-0000-0100-0000
+#define SCI_ENABLE_INT_TX 0x0080 // 0000-0000-1000-0000
+
+#define SCI_DISABLE_INT_ALL 0xFF00 // 1111-1111-0000-0000 ???
+
+#define SCI_DISABLE_INT_RX 0xFFDF // 1111-1111-1101-1111
+#define SCI_CLEAR_RX_INT 0xFFBF // 1111-1111-1011-1111
+#define SCI_DISABLE_INT_TX 0xFF7F // 1111-1111-0111-1111
+#define SCI_CLEAR_TDRE 0xFEFF // 1111-1110-1111-1111
+
+#define SCI_RCVR_WAKE_ON_MARK 0x0100 // 0000-0001-0000-0000
+#define SCI_9_DATA_BITS 0x0200 // 0000-0010-0000-0000
+#define SCI_PARITY_ENABLE 0x0400 // 0000-0100-0000-0000
+#define SCI_PARITY_ODD 0x0800 // 0000-1000-0000-0000
+
+#define SCI_RCVR_WAKE_ON_IDLE 0xFEFF // 1111-1110-1111-1111
+#define SCI_8_DATA_BITS 0xFDFF // 1111-1101-1111-1111
+#define SCI_PARITY_DISABLE 0xFBFF // 1111-1011-1111-1111
+#define SCI_PARITY_EVEN 0xF7FF // 1111-0111-1111-1111
+
+#define SCI_PARITY_NONE 0xF3FF // 1111-0011-1111-1111
+
+#define SCI_IDLE_LINE_LONG 0x1000 // 0001-0000-0000-0000
+#define SCI_TXD_OPEN_DRAIN 0x2000 // 0010-0000-0000-0000
+#define SCI_LOOPBACK_MODE 0x4000 // 0100-0000-0000-0000
+#define SCI_SCCR1_UNUSED 0x8000 // 1000-0000-0000-0000
+
+
+// SCI Status Register (SCSR) $FFFC0C
+
+// 8 4 2 1 - 8 4 2 1 - 8 4 2 1 - 8 4 2 1
+// ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
+// | | | | | | | | | | | | | | | |
+// | | | | | | | | | | | | | | | +----- 0 PF - parity error
+// | | | | | | | | | | | | | | +------- 1 FE - framing error
+// | | | | | | | | | | | | | +--------- 2 NF - noise flag
+// | | | | | | | | | | | | +----------- 3 OR - overrun flag
+// | | | | | | | | | | | |
+// | | | | | | | | | | | +--------------- 4 IDLE - idle line detected
+// | | | | | | | | | | +----------------- 5 RAF - rcvr active flag
+// | | | | | | | | | +------------------- 6 RDRF - rcv data reg full
+// | | | | | | | | +--------------------- 7 TC - xmt complete flag
+// | | | | | | | |
+// | | | | | | | +------------------------- 8 TDRE - xmt data reg empty
+// | | | | | | +--------------------------- 9 always zero
+// | | | | | +----------------------------- 10 always zero
+// | | | | +------------------------------- 11 always zero
+// | | | |
+// | | | +----------------------------------- 12 always zero
+// | | +------------------------------------- 13 always zero
+// | +--------------------------------------- 14 always zero
+// +----------------------------------------- 15 always zero
+
+// 0 0 0 0 - 0 0 0 1 - 1 0 0 0 - 0 0 0 0 reset value
+
+
+#define SCI_ERROR_PARITY 0x0001 // 0000-0000-0000-0001
+#define SCI_ERROR_FRAMING 0x0002 // 0000-0000-0000-0010
+#define SCI_ERROR_NOISE 0x0004 // 0000-0000-0000-0100
+#define SCI_ERROR_OVERRUN 0x0008 // 0000-0000-0000-1000
+
+#define SCI_IDLE_LINE 0x0010 // 0000-0000-0001-0000
+#define SCI_RCVR_ACTIVE 0x0020 // 0000-0000-0010-0000
+#define SCI_RCVR_READY 0x0040 // 0000-0000-0100-0000
+#define SCI_XMTR_IDLE 0x0080 // 0000-0000-1000-0000
+
+#define SCI_CLEAR_RX_INT 0xFFBF // 1111-1111-1011-1111
+
+#define SCI_XMTR_READY 0x0100 // 0000-0001-0000-0000
+
+#define SCI_CLEAR_TDRE 0xFEFF // 1111-1110-1111-1111
+
+#define SCI_XMTR_AVAILABLE 0x0180 // 0000-0001-1000-0000
+
+
+
+/*******************************************************************************
+ Function prototypes
+*******************************************************************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+// look at console_open to see how this is called
+
+const rtems_termios_callbacks * SciGetTermiosHandlers( signed32 polled );
+
+
+/* SCI interrupt */
+
+//rtems_isr SciIsr( rtems_vector_number vector );
+
+
+//signed32 SciOpenPolled ( signed32 major, signed32 minor, void *arg );
+//signed32 SciOpenInterrupt ( signed32 major, signed32 minor, void *arg );
+
+//signed32 SciClose ( signed32 major, signed32 minor, void *arg );
+
+//signed32 SciWritePolled ( signed32 minor, const char *buf, signed32 len );
+//signed32 SciWriteInterrupt( signed32 minor, const char *buf, signed32 len );
+
+//signed32 SciReadPolled ( signed32 minor );
+
+//signed32 SciSetAttributes ( signed32 minor, const struct termios *t );
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif // _sci_h_
+
+
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