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Diffstat (limited to '')
| -rw-r--r-- | c/src/lib/libchip/serial/mc68681_p.h | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/c/src/lib/libchip/serial/mc68681_p.h b/c/src/lib/libchip/serial/mc68681_p.h deleted file mode 100644 index 471b0ae42e..0000000000 --- a/c/src/lib/libchip/serial/mc68681_p.h +++ /dev/null @@ -1,317 +0,0 @@ -/* - * - * COPYRIGHT (c) 1989-1998. - * On-Line Applications Research Corporation (OAR). - * Copyright assigned to U.S. Government, 1994. - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.OARcorp.com/rtems/license.html. - * - * $Id$ - */ - -#ifndef _MC68681_P_H_ -#define _MC68681_P_H_ - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Define MC68681_STATIC to nothing while debugging so the entry points - * will show up in the symbol table. - */ - -#define MC68681_STATIC - -/* #define MC68681_STATIC static */ - -/* - * mc68681 register offsets Read/Write Addresses - */ - -#define MC68681_MODE_REG_1A 0 /* MR1A-MR Prior to Read */ -#define MC68681_MODE_REG_2A 0 /* MR2A-MR After Read */ - -#define MC68681_COUNT_MODE_CURRENT_MSB 6 /* CTU */ -#define MC68681_COUNTER_TIMER_UPPER_REG 6 /* CTU */ -#define MC68681_COUNT_MODE_CURRENT_LSB 7 /* CTL */ -#define MC68681_COUNTER_TIMER_LOWER_REG 7 /* CTL */ -#define MC68681_INTERRUPT_VECTOR_REG 12 /* IVR */ - -#define MC68681_MODE_REG_1B 8 /* MR1B-MR Prior to Read */ -#define MC68681_MODE_REG_2B 8 /* MR2BA-MR After Read */ - -/* - * mc68681 register offsets Read Only Addresses - */ - -#define MC68681_STATUS_REG_A 1 /* SRA */ -#define MC68681_MASK_ISR_REG 2 /* MISR */ -#define MC68681_RECEIVE_BUFFER_A 3 /* RHRA */ -#define MC68681_INPUT_PORT_CHANGE_REG 4 /* IPCR */ -#define MC68681_INTERRUPT_STATUS_REG 5 /* ISR */ -#define MC68681_STATUS_REG_B 9 /* SRB */ -#define MC68681_RECEIVE_BUFFER_B 11 /* RHRB */ -#define MC68681_INPUT_PORT 13 /* IP */ -#define MC68681_START_COUNT_CMD 14 /* SCC */ -#define MC68681_STOP_COUNT_CMD 15 /* STC */ - -/* - * mc68681 register offsets Write Only Addresses - */ - -#define MC68681_CLOCK_SELECT_REG_A 1 /* CSRA */ -#define MC68681_COMMAND_REG_A 2 /* CRA */ -#define MC68681_TRANSMIT_BUFFER_A 3 /* THRA */ -#define MC68681_AUX_CTRL_REG 4 /* ACR */ -#define MC68681_INTERRUPT_MASK_REG 5 /* IMR */ -#define MC68681_CLOCK_SELECT_REG_B 9 /* CSRB */ -#define MC68681_COMMAND_REG_B 10 /* CRB */ -#define MC68681_TRANSMIT_BUFFER_B 11 /* THRB */ -#define MC68681_OUTPUT_PORT_CONFIG_REG 13 /* OPCR */ -#define MC68681_OUTPUT_PORT_SET_REG 14 /* SOPBC */ -#define MC68681_OUTPUT_PORT_RESET_BITS 15 /* COPBC */ - -/* - * DUART Command Register Definitions: - * - * MC68681_COMMAND_REG_A,MC68681_COMMAND_REG_B - */ - -#define MC68681_MODE_REG_ENABLE_RX 0x01 -#define MC68681_MODE_REG_DISABLE_RX 0x02 -#define MC68681_MODE_REG_ENABLE_TX 0x04 -#define MC68681_MODE_REG_DISABLE_TX 0x08 -#define MC68681_MODE_REG_RESET_MR_PTR 0x10 -#define MC68681_MODE_REG_RESET_RX 0x20 -#define MC68681_MODE_REG_RESET_TX 0x30 -#define MC68681_MODE_REG_RESET_ERROR 0x40 -#define MC68681_MODE_REG_RESET_BREAK 0x50 -#define MC68681_MODE_REG_START_BREAK 0x60 -#define MC68681_MODE_REG_STOP_BREAK 0x70 -#define MC68681_MODE_REG_SET_RX_BRG 0x80 -#define MC68681_MODE_REG_CLEAR_RX_BRG 0x90 -#define MC68681_MODE_REG_SET_TX_BRG 0xa0 -#define MC68681_MODE_REG_CLEAR_TX_BRG 0xb0 -#define MC68681_MODE_REG_SET_STANDBY 0xc0 -#define MC68681_MODE_REG_SET_ACTIVE 0xd0 - -/* - * Mode Register Definitions - * - * MC68681_MODE_REG_1A - * MC68681_MODE_REG_1B - */ - -#define MC68681_5BIT_CHARS 0x00 -#define MC68681_6BIT_CHARS 0x01 -#define MC68681_7BIT_CHARS 0x02 -#define MC68681_8BIT_CHARS 0x03 - -#define MC68681_ODD_PARITY 0x00 -#define MC68681_EVEN_PARITY 0x04 - -#define MC68681_WITH_PARITY 0x00 -#define MC68681_FORCE_PARITY 0x08 -#define MC68681_NO_PARITY 0x10 -#define MC68681_MULTI_DROP 0x18 - -#define MC68681_ERR_MODE_CHAR 0x00 -#define MC68681_ERR_MODE_BLOCK 0x20 - -#define MC68681_RX_INTR_RX_READY 0x00 -#define MC68681_RX_INTR_FFULL 0x40 - -#define MC68681_NO_RX_RTS_CTL 0x00 -#define MC68681_RX_RTS_CTRL 0x80 - -/* - * Mode Register Definitions - * - * MC68681_MODE_REG_2A - * MC68681_MODE_REG_2B - */ - -#define MC68681_STOP_BIT_LENGTH__563 0x00 -#define MC68681_STOP_BIT_LENGTH__625 0x01 -#define MC68681_STOP_BIT_LENGTH__688 0x02 -#define MC68681_STOP_BIT_LENGTH__75 0x03 -#define MC68681_STOP_BIT_LENGTH__813 0x04 -#define MC68681_STOP_BIT_LENGTH__875 0x05 -#define MC68681_STOP_BIT_LENGTH__938 0x06 -#define MC68681_STOP_BIT_LENGTH_1 0x07 -#define MC68681_STOP_BIT_LENGTH_1_563 0x08 -#define MC68681_STOP_BIT_LENGTH_1_625 0x09 -#define MC68681_STOP_BIT_LENGTH_1_688 0x0a -#define MC68681_STOP_BIT_LENGTH_1_75 0x0b -#define MC68681_STOP_BIT_LENGTH_1_813 0x0c -#define MC68681_STOP_BIT_LENGTH_1_875 0x0d -#define MC68681_STOP_BIT_LENGTH_1_938 0x0e -#define MC68681_STOP_BIT_LENGTH_2 0x0f - -#define MC68681_CTS_ENABLE_TX 0x10 -#define MC68681_TX_RTS_CTRL 0x20 - -#define MC68681_CHANNEL_MODE_NORMAL 0x00 -#define MC68681_CHANNEL_MODE_ECHO 0x40 -#define MC68681_CHANNEL_MODE_LOCAL_LOOP 0x80 -#define MC68681_CHANNEL_MODE_REMOTE_LOOP 0xc0 - -/* - * Status Register Definitions - * - * MC68681_STATUS_REG_A, MC68681_STATUS_REG_B - */ - -#define MC68681_RX_READY 0x01 -#define MC68681_FFULL 0x02 -#define MC68681_TX_READY 0x04 -#define MC68681_TX_EMPTY 0x08 -#define MC68681_OVERRUN_ERROR 0x10 -#define MC68681_PARITY_ERROR 0x20 -#define MC68681_FRAMING_ERROR 0x40 -#define MC68681_RECEIVED_BREAK 0x80 - -#define MC68681_RX_ERRORS \ - (MC68681_OVERRUN_ERROR|MC68681_PARITY_ERROR| \ - MC68681_FRAMING_ERROR|MC68681_RECEIVED_BREAK) - -/* - * Interupt Status Register Definitions. - * - * MC68681_INTERRUPT_STATUS_REG - */ - -/* - * Interupt Mask Register Definitions - * - * MC68681_INTERRUPT_MASK_REG - */ - -/* These are passed to mc68681_build_imr */ -#define MC68681_IR_TX_READY 0x01 -#define MC68681_IR_RX_READY 0x02 -#define MC68681_IR_BREAK 0x04 -#define MC68681_IMR_ENABLE_ALL 0x07 -#define MC68681_IMR_DISABLE_ALL 0x00 -#define MC68681_IMR_ENABLE_ALL_EXCEPT_TX 0x06 - -#define MC68681_IR_TX_READY_A 0x01 -#define MC68681_IR_RX_READY_A 0x02 -#define MC68681_IR_BREAK_A 0x04 -#define MC68681_IR_COUNTER_READY 0x08 -#define MC68681_IR_TX_READY_B 0x10 -#define MC68681_IR_RX_READY_B 0x20 -#define MC68681_IR_BREAK_B 0x40 -#define MC68681_IR_INPUT_PORT_CHANGE 0x80 - -/* - * Status Register Definitions. - * - * MC68681_STATUS_REG_A,MC68681_STATUS_REG_B - */ - -#define MC68681_STATUS_RXRDY 0x01 -#define MC68681_STATUS_FFULL 0x02 -#define MC68681_STATUS_TXRDY 0x04 -#define MC68681_STATUS_TXEMT 0x08 -#define MC68681_STATUS_OVERRUN_ERROR 0x10 -#define MC68681_STATUS_PARITY_ERROR 0x20 -#define MC68681_STATUS_FRAMING_ERROR 0x40 -#define MC68681_STATUS_RECEIVED_BREAK 0x80 - -/* - * Definitions for the Interrupt Vector Register: - * - * MC68681_INTERRUPT_VECTOR_REG - */ - -#define MC68681_INTERRUPT_VECTOR_INIT 0x0f - -/* - * Definitions for the Auxiliary Control Register - * - * MC68681_AUX_CTRL_REG - */ - -#define MC68681_AUX_BRG_SET1 0x00 -#define MC68681_AUX_BRG_SET2 0x80 - -/* - * Per chip context control - */ - -typedef struct _mc68681_context -{ - int mate; - unsigned char imr; -} mc68681_context; - -/* - * Driver functions - */ -MC68681_STATIC boolean mc68681_probe(int minor); - -MC68681_STATIC int mc68681_set_attributes( - int minor, - const struct termios *t -); - -MC68681_STATIC void mc68681_init(int minor); - -MC68681_STATIC int mc68681_open( - int major, - int minor, - void * arg -); - -MC68681_STATIC int mc68681_close( - int major, - int minor, - void * arg -); - -MC68681_STATIC void mc68681_write_polled( - int minor, - char cChar -); - -MC68681_STATIC void mc68681_initialize_interrupts(int minor); - -MC68681_STATIC int mc68681_write_support_int( - int minor, - const char *buf, - int len -); - -MC68681_STATIC int mc68681_write_support_polled( - int minor, - const char *buf, - int len - ); - -MC68681_STATIC int mc68681_inbyte_nonblocking_polled( - int minor -); - -MC68681_STATIC unsigned int mc68681_build_imr( - int minor, - int enable_flag -); - -MC68681_STATIC void mc68681_process( - int minor -); - -MC68681_STATIC void mc68681_enable_interrupts( - int minor, - int imr_mask -); - -#ifdef __cplusplus -} -#endif - -#endif /* _MC68681_P_H_ */ |