/* canbus.h * * This include file contains all canbus IO definitions * * Written by Jay Monkman (jmonkman@frasca.com) * * COPYRIGHT (c) 1998 * Frasca International, Inc. * * 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 __CANBUS_H_ #define __CANBUS_H_ #include typedef struct i82527_msg_t_ { rtems_unsigned8 ctrl0 __attribute__ ((packed)); /* Control 0 register */ rtems_unsigned8 ctrl1 __attribute__ ((packed)); /* Control 1 register */ rtems_unsigned32 arb __attribute__ ((packed)); /* Arbitration reg */ rtems_unsigned8 cfg __attribute__ ((packed)); /* Message config reg */ rtems_unsigned8 data[8] __attribute__ ((packed)); /* Actual message */ } i82527_msg_t; typedef struct i82527_t_ { rtems_unsigned8 ctrl __attribute__ ((packed)); /* Control register */ rtems_unsigned8 status __attribute__ ((packed)); /* Status register */ rtems_unsigned8 cir __attribute__ ((packed)); /* CPU interface reg */ rtems_unsigned8 _res0 __attribute__ ((packed)); rtems_unsigned16 hsr __attribute__ ((packed)); /* High speed read */ rtems_unsigned16 gms __attribute__ ((packed)); /* Global Mask - std */ rtems_unsigned32 gml __attribute__ ((packed)); /* Global Mask - long */ rtems_unsigned32 mlm __attribute__ ((packed)); /* Mask last message */ i82527_msg_t msg1 __attribute__ ((packed)); /* Message 1 */ rtems_unsigned8 clkout __attribute__ ((packed)); /* CLKOUT register */ i82527_msg_t msg2 __attribute__ ((packed)); /* Message 2 */ rtems_unsigned8 bcr __attribute__ ((packed)); /* Bus config register */ i82527_msg_t msg3 __attribute__ ((packed)); /* Message 3 */ rtems_unsigned8 btr0 __attribute__ ((packed)); /* Bit timing reg 0 */ i82527_msg_t msg4 __attribute__ ((packed)); /* Message 4 */ rtems_unsigned8 btr1 __attribute__ ((packed)); /* Bit timing reg 1 */ i82527_msg_t msg5 __attribute__ ((packed)); /* Message 5 */ rtems_unsigned8 intr __attribute__ ((packed)); /* Interrupt register */ i82527_msg_t msg6 __attribute__ ((packed)); /* Message 6 */ rtems_unsigned8 _res1 __attribute__ ((packed)); i82527_msg_t msg7 __attribute__ ((packed)); /* Message 7 */ rtems_unsigned8 _res2 __attribute__ ((packed)); i82527_msg_t msg8 __attribute__ ((packed)); /* Message 8 */ rtems_unsigned8 _res3 __attribute__ ((packed)); i82527_msg_t msg9 __attribute__ ((packed)); /* Message 9 */ rtems_unsigned8 p1conf __attribute__ ((packed)); /* Port 1 config */ i82527_msg_t msg10 __attribute__ ((packed)); /* Message 10 */ rtems_unsigned8 p2conf __attribute__ ((packed)); /* Port 2 config */ i82527_msg_t msg11 __attribute__ ((packed)); /* Message 11 */ rtems_unsigned8 p1in __attribute__ ((packed)); /* Port 1 in */ i82527_msg_t msg12 __attribute__ ((packed)); /* Message 12 */ rtems_unsigned8 p2in __attribute__ ((packed)); /* Port 2 in */ i82527_msg_t msg13 __attribute__ ((packed)); /* Message 13 */ rtems_unsigned8 p1out __attribute__ ((packed)); /* Port 1 out */ i82527_msg_t msg14 __attribute__ ((packed)); /* Message 14 */ rtems_unsigned8 p2out __attribute__ ((packed)); /* Port 2 out */ i82527_msg_t msg15 __attribute__ ((packed)); /* Message 15 */ rtems_unsigned8 sra __attribute__ ((packed)); /* Serial reset address */ } i82527_t; #define I82527_CTRL_CCE (1<<6) #define I82527_CTRL_EIE (1<<3) #define I82527_CTRL_SIE (1<<2) #define I82527_CTRL_IE (1<<1) #define I82527_CTRL_INIT (1) #define I82527_STATUS_BOFF (1<<7) #define I82527_STATUS_WARN (1<<6) #define I82527_STATUS_WAKE (1<<5) #define I82527_STATUS_RXOK (1<<4) #define I82527_STATUS_TXOK (1<<3) #define I82527_STATUS_LEC (7) #define I82527_STATUS_LEC_NONE 0 #define I82527_STATUS_LEC_STUFF 1 #define I82527_STATUS_LEC_FORM 2 #define I82527_STATUS_LEC_ACK 3 #define I82527_STATUS_LEC_BIT1 4 #define I82527_STATUS_LEC_BIT0 5 #define I82527_STATUS_LEC_CRC 6 #define I82527_CIR_RSTSTAT (1<<7) #define I82527_CIR_DSC (1<<6) #define I82527_CIR_DMC (1<<5) #define I82527_CIR_PWD (1<<4) #define I82527_CIR_SLEEP (1<<3) #define I82527_CIR_MUX (1<<2) #define I82527_CIR_CEN (1) #define I82527_CLKOUT_SL1 (1<<5) #define I82527_CLKOUT_SLO (1<<4) #define I82527_BCR_COBY (1<<6) #define I82527_BCR_POL (1<<5) #define I82527_DCT1 (1<<3) #define I82527_DCR1 (1<<1) #define I82527_DCR0 (1) #define I82527_BTR1_SPL (1<<7) #define I82527_MSG_CTRL_MSGVAL (2<<6) #define I82527_MSG_CTRL_MSGVAL_NC (3<<6) #define I82527_MSG_CTRL_MSGVAL_SET (2<<6) #define I82527_MSG_CTRL_MSGVAL_CLR (1<<6) #define I82527_MSG_CTRL_TXIE (2<<4) #define I82527_MSG_CTRL_TXIE_NC (3<<4) #define I82527_MSG_CTRL_TXIE_SET (2<<4) #define I82527_MSG_CTRL_TXIE_CLR (1<<4) #define I82527_MSG_CTRL_RXIE (2<<2) #define I82527_MSG_CTRL_RXIE_NC (3<<2) #define I82527_MSG_CTRL_RXIE_SET (2<<2) #define I82527_MSG_CTRL_RXIE_CLR (1<<2) #define I82527_MSG_CTRL_INTPND (2) #define I82527_MSG_CTRL_INTPND_NC (3) #define I82527_MSG_CTRL_INTPND_SET (2) #define I82527_MSG_CTRL_INTPND_CLR (1) #define I82527_MSG_CTRL_RMTPND (2<<6) #define I82527_MSG_CTRL_RMTPND_NC (3<<6) #define I82527_MSG_CTRL_RMTPND_SET (2<<6) #define I82527_MSG_CTRL_RMTPND_CLR (1<<6) #define I82527_MSG_CTRL_TXRQ (2<<4) #define I82527_MSG_CTRL_TXRQ_NC (3<<4) #define I82527_MSG_CTRL_TXRQ_SET (2<<4) #define I82527_MSG_CTRL_TXRQ_CLR (1<<4) #define I82527_MSG_CTRL_MSGLST (2<<2) #define I82527_MSG_CTRL_MSGLST_NC (3<<2) #define I82527_MSG_CTRL_MSGLST_SET (2<<2) #define I82527_MSG_CTRL_MSGLST_CLR (1<<2) #define I82527_MSG_CTRL_CPUUPD (2<<2) #define I82527_MSG_CTRL_CPUUPD_NC (3<<2) #define I82527_MSG_CTRL_CPUUPD_SET (2<<2) #define I82527_MSG_CTRL_CPUUPD_CLR (1<<2) #define I82527_MSG_CTRL_NEWDAT (2) #define I82527_MSG_CTRL_NEWDAT_NC (3) #define I82527_MSG_CTRL_NEWDAT_SET (2) #define I82527_MSG_CTRL_NEWDAT_CLR (1) #define I82527_MSG_CFG_DIR (1<<3) #define I82527_MSG_CFG_XTD (1<<2) extern i82527_t canbus0; extern i82527_t canbus1; extern i82527_t canbus2; rtems_device_driver canbus_initialize(rtems_device_major_number, rtems_device_minor_number, void *); rtems_device_driver canbus_open(rtems_device_major_number, rtems_device_minor_number, void *); rtems_device_driver canbus_close(rtems_device_major_number, rtems_device_minor_number, void *); rtems_device_driver canbus_read(rtems_device_major_number, rtems_device_minor_number, void *); rtems_device_driver canbus_write(rtems_device_major_number, rtems_device_minor_number, void *); rtems_device_driver canbus_control(rtems_device_major_number, rtems_device_minor_number, void *); #define CANBUS_DRIVER_TABLE_ENTRY \ { canbus_initialize, canbus_open, canbus_close, \ canbus_read, canbus_write, canbus_control } #endif /* __CANBUS_H_ */