[ee733965] | 1 | /* canbus.h |
---|
| 2 | * |
---|
| 3 | * This include file contains all canbus IO definitions |
---|
| 4 | * |
---|
| 5 | * Written by Jay Monkman (jmonkman@frasca.com) |
---|
| 6 | * |
---|
| 7 | * COPYRIGHT (c) 1998 |
---|
| 8 | * Frasca International, Inc. |
---|
| 9 | * |
---|
| 10 | * The license and distribution terms for this file may be |
---|
| 11 | * found in the file LICENSE in this distribution or at |
---|
| 12 | * http://www.OARcorp.com/rtems/license.html. |
---|
| 13 | * |
---|
| 14 | * $Id: |
---|
| 15 | */ |
---|
| 16 | |
---|
| 17 | #ifndef __CANBUS_H_ |
---|
| 18 | #define __CANBUS_H_ |
---|
| 19 | |
---|
| 20 | #include <rtems.h> |
---|
| 21 | |
---|
| 22 | typedef struct i82527_msg_t_ { |
---|
| 23 | rtems_unsigned8 ctrl0 __attribute__ ((packed)); /* Control 0 register */ |
---|
| 24 | rtems_unsigned8 ctrl1 __attribute__ ((packed)); /* Control 1 register */ |
---|
| 25 | rtems_unsigned32 arb __attribute__ ((packed)); /* Arbitration reg */ |
---|
| 26 | rtems_unsigned8 cfg __attribute__ ((packed)); /* Message config reg */ |
---|
| 27 | rtems_unsigned8 data[8] __attribute__ ((packed)); /* Actual message */ |
---|
| 28 | } i82527_msg_t; |
---|
| 29 | |
---|
| 30 | typedef struct i82527_t_ { |
---|
| 31 | rtems_unsigned8 ctrl __attribute__ ((packed)); /* Control register */ |
---|
| 32 | rtems_unsigned8 status __attribute__ ((packed)); /* Status register */ |
---|
| 33 | rtems_unsigned8 cir __attribute__ ((packed)); /* CPU interface reg */ |
---|
| 34 | rtems_unsigned8 _res0 __attribute__ ((packed)); |
---|
| 35 | rtems_unsigned16 hsr __attribute__ ((packed)); /* High speed read */ |
---|
| 36 | rtems_unsigned16 gms __attribute__ ((packed)); /* Global Mask - std */ |
---|
| 37 | rtems_unsigned32 gml __attribute__ ((packed)); /* Global Mask - long */ |
---|
| 38 | rtems_unsigned32 mlm __attribute__ ((packed)); /* Mask last message */ |
---|
| 39 | i82527_msg_t msg1 __attribute__ ((packed)); /* Message 1 */ |
---|
| 40 | rtems_unsigned8 clkout __attribute__ ((packed)); /* CLKOUT register */ |
---|
| 41 | i82527_msg_t msg2 __attribute__ ((packed)); /* Message 2 */ |
---|
| 42 | rtems_unsigned8 bcr __attribute__ ((packed)); /* Bus config register */ |
---|
| 43 | i82527_msg_t msg3 __attribute__ ((packed)); /* Message 3 */ |
---|
| 44 | rtems_unsigned8 btr0 __attribute__ ((packed)); /* Bit timing reg 0 */ |
---|
| 45 | i82527_msg_t msg4 __attribute__ ((packed)); /* Message 4 */ |
---|
| 46 | rtems_unsigned8 btr1 __attribute__ ((packed)); /* Bit timing reg 1 */ |
---|
| 47 | i82527_msg_t msg5 __attribute__ ((packed)); /* Message 5 */ |
---|
| 48 | rtems_unsigned8 intr __attribute__ ((packed)); /* Interrupt register */ |
---|
| 49 | i82527_msg_t msg6 __attribute__ ((packed)); /* Message 6 */ |
---|
| 50 | rtems_unsigned8 _res1 __attribute__ ((packed)); |
---|
| 51 | i82527_msg_t msg7 __attribute__ ((packed)); /* Message 7 */ |
---|
| 52 | rtems_unsigned8 _res2 __attribute__ ((packed)); |
---|
| 53 | i82527_msg_t msg8 __attribute__ ((packed)); /* Message 8 */ |
---|
| 54 | rtems_unsigned8 _res3 __attribute__ ((packed)); |
---|
| 55 | i82527_msg_t msg9 __attribute__ ((packed)); /* Message 9 */ |
---|
| 56 | rtems_unsigned8 p1conf __attribute__ ((packed)); /* Port 1 config */ |
---|
| 57 | i82527_msg_t msg10 __attribute__ ((packed)); /* Message 10 */ |
---|
| 58 | rtems_unsigned8 p2conf __attribute__ ((packed)); /* Port 2 config */ |
---|
| 59 | i82527_msg_t msg11 __attribute__ ((packed)); /* Message 11 */ |
---|
| 60 | rtems_unsigned8 p1in __attribute__ ((packed)); /* Port 1 in */ |
---|
| 61 | i82527_msg_t msg12 __attribute__ ((packed)); /* Message 12 */ |
---|
| 62 | rtems_unsigned8 p2in __attribute__ ((packed)); /* Port 2 in */ |
---|
| 63 | i82527_msg_t msg13 __attribute__ ((packed)); /* Message 13 */ |
---|
| 64 | rtems_unsigned8 p1out __attribute__ ((packed)); /* Port 1 out */ |
---|
| 65 | i82527_msg_t msg14 __attribute__ ((packed)); /* Message 14 */ |
---|
| 66 | rtems_unsigned8 p2out __attribute__ ((packed)); /* Port 2 out */ |
---|
| 67 | i82527_msg_t msg15 __attribute__ ((packed)); /* Message 15 */ |
---|
| 68 | rtems_unsigned8 sra __attribute__ ((packed)); /* Serial reset address */ |
---|
| 69 | } i82527_t; |
---|
| 70 | |
---|
| 71 | #define I82527_CTRL_CCE (1<<6) |
---|
| 72 | #define I82527_CTRL_EIE (1<<3) |
---|
| 73 | #define I82527_CTRL_SIE (1<<2) |
---|
| 74 | #define I82527_CTRL_IE (1<<1) |
---|
| 75 | #define I82527_CTRL_INIT (1) |
---|
| 76 | #define I82527_STATUS_BOFF (1<<7) |
---|
| 77 | #define I82527_STATUS_WARN (1<<6) |
---|
| 78 | #define I82527_STATUS_WAKE (1<<5) |
---|
| 79 | #define I82527_STATUS_RXOK (1<<4) |
---|
| 80 | #define I82527_STATUS_TXOK (1<<3) |
---|
| 81 | #define I82527_STATUS_LEC (7) |
---|
| 82 | #define I82527_STATUS_LEC_NONE 0 |
---|
| 83 | #define I82527_STATUS_LEC_STUFF 1 |
---|
| 84 | #define I82527_STATUS_LEC_FORM 2 |
---|
| 85 | #define I82527_STATUS_LEC_ACK 3 |
---|
| 86 | #define I82527_STATUS_LEC_BIT1 4 |
---|
| 87 | #define I82527_STATUS_LEC_BIT0 5 |
---|
| 88 | #define I82527_STATUS_LEC_CRC 6 |
---|
| 89 | #define I82527_CIR_RSTSTAT (1<<7) |
---|
| 90 | #define I82527_CIR_DSC (1<<6) |
---|
| 91 | #define I82527_CIR_DMC (1<<5) |
---|
| 92 | #define I82527_CIR_PWD (1<<4) |
---|
| 93 | #define I82527_CIR_SLEEP (1<<3) |
---|
| 94 | #define I82527_CIR_MUX (1<<2) |
---|
| 95 | #define I82527_CIR_CEN (1) |
---|
| 96 | #define I82527_CLKOUT_SL1 (1<<5) |
---|
| 97 | #define I82527_CLKOUT_SLO (1<<4) |
---|
| 98 | #define I82527_BCR_COBY (1<<6) |
---|
| 99 | #define I82527_BCR_POL (1<<5) |
---|
| 100 | #define I82527_DCT1 (1<<3) |
---|
| 101 | #define I82527_DCR1 (1<<1) |
---|
| 102 | #define I82527_DCR0 (1) |
---|
| 103 | #define I82527_BTR1_SPL (1<<7) |
---|
| 104 | #define I82527_MSG_CTRL_MSGVAL (2<<6) |
---|
| 105 | #define I82527_MSG_CTRL_MSGVAL_NC (3<<6) |
---|
| 106 | #define I82527_MSG_CTRL_MSGVAL_SET (2<<6) |
---|
| 107 | #define I82527_MSG_CTRL_MSGVAL_CLR (1<<6) |
---|
| 108 | #define I82527_MSG_CTRL_TXIE (2<<4) |
---|
| 109 | #define I82527_MSG_CTRL_TXIE_NC (3<<4) |
---|
| 110 | #define I82527_MSG_CTRL_TXIE_SET (2<<4) |
---|
| 111 | #define I82527_MSG_CTRL_TXIE_CLR (1<<4) |
---|
| 112 | #define I82527_MSG_CTRL_RXIE (2<<2) |
---|
| 113 | #define I82527_MSG_CTRL_RXIE_NC (3<<2) |
---|
| 114 | #define I82527_MSG_CTRL_RXIE_SET (2<<2) |
---|
| 115 | #define I82527_MSG_CTRL_RXIE_CLR (1<<2) |
---|
| 116 | #define I82527_MSG_CTRL_INTPND (2) |
---|
| 117 | #define I82527_MSG_CTRL_INTPND_NC (3) |
---|
| 118 | #define I82527_MSG_CTRL_INTPND_SET (2) |
---|
| 119 | #define I82527_MSG_CTRL_INTPND_CLR (1) |
---|
| 120 | #define I82527_MSG_CTRL_RMTPND (2<<6) |
---|
| 121 | #define I82527_MSG_CTRL_RMTPND_NC (3<<6) |
---|
| 122 | #define I82527_MSG_CTRL_RMTPND_SET (2<<6) |
---|
| 123 | #define I82527_MSG_CTRL_RMTPND_CLR (1<<6) |
---|
| 124 | #define I82527_MSG_CTRL_TXRQ (2<<4) |
---|
| 125 | #define I82527_MSG_CTRL_TXRQ_NC (3<<4) |
---|
| 126 | #define I82527_MSG_CTRL_TXRQ_SET (2<<4) |
---|
| 127 | #define I82527_MSG_CTRL_TXRQ_CLR (1<<4) |
---|
| 128 | #define I82527_MSG_CTRL_MSGLST (2<<2) |
---|
| 129 | #define I82527_MSG_CTRL_MSGLST_NC (3<<2) |
---|
| 130 | #define I82527_MSG_CTRL_MSGLST_SET (2<<2) |
---|
| 131 | #define I82527_MSG_CTRL_MSGLST_CLR (1<<2) |
---|
| 132 | #define I82527_MSG_CTRL_CPUUPD (2<<2) |
---|
| 133 | #define I82527_MSG_CTRL_CPUUPD_NC (3<<2) |
---|
| 134 | #define I82527_MSG_CTRL_CPUUPD_SET (2<<2) |
---|
| 135 | #define I82527_MSG_CTRL_CPUUPD_CLR (1<<2) |
---|
| 136 | #define I82527_MSG_CTRL_NEWDAT (2) |
---|
| 137 | #define I82527_MSG_CTRL_NEWDAT_NC (3) |
---|
| 138 | #define I82527_MSG_CTRL_NEWDAT_SET (2) |
---|
| 139 | #define I82527_MSG_CTRL_NEWDAT_CLR (1) |
---|
| 140 | #define I82527_MSG_CFG_DIR (1<<3) |
---|
| 141 | #define I82527_MSG_CFG_XTD (1<<2) |
---|
| 142 | |
---|
| 143 | extern i82527_t canbus0; |
---|
| 144 | extern i82527_t canbus1; |
---|
| 145 | extern i82527_t canbus2; |
---|
| 146 | |
---|
| 147 | |
---|
| 148 | rtems_device_driver canbus_initialize(rtems_device_major_number, |
---|
| 149 | rtems_device_minor_number, |
---|
| 150 | void *); |
---|
| 151 | rtems_device_driver canbus_open(rtems_device_major_number, |
---|
| 152 | rtems_device_minor_number, |
---|
| 153 | void *); |
---|
| 154 | rtems_device_driver canbus_close(rtems_device_major_number, |
---|
| 155 | rtems_device_minor_number, |
---|
| 156 | void *); |
---|
| 157 | rtems_device_driver canbus_read(rtems_device_major_number, |
---|
| 158 | rtems_device_minor_number, |
---|
| 159 | void *); |
---|
| 160 | rtems_device_driver canbus_write(rtems_device_major_number, |
---|
| 161 | rtems_device_minor_number, |
---|
| 162 | void *); |
---|
| 163 | rtems_device_driver canbus_control(rtems_device_major_number, |
---|
| 164 | rtems_device_minor_number, |
---|
| 165 | void *); |
---|
| 166 | |
---|
| 167 | |
---|
| 168 | #define CANBUS_DRIVER_TABLE_ENTRY \ |
---|
| 169 | { canbus_initialize, canbus_open, canbus_close, \ |
---|
| 170 | canbus_read, canbus_write, canbus_control } |
---|
| 171 | |
---|
| 172 | #endif /* __CANBUS_H_ */ |
---|