/* SPDX-License-Identifier: GPL-2.0-only */ /* * Core driver for the CC770 and AN82527 CAN controllers * * Copyright (C) 2009, 2011 Wolfgang Grandegger <[email protected]> */ #ifndef CC770_DEV_H #define CC770_DEV_H #include <linux/can/dev.h> struct cc770_msgobj { … } __packed; struct cc770_regs { … } __packed; /* Control Register (0x00) */ #define CTRL_INI … #define CTRL_IE … #define CTRL_SIE … #define CTRL_EIE … #define CTRL_EAF … #define CTRL_CCE … /* Status Register (0x01) */ #define STAT_LEC_STUFF … #define STAT_LEC_FORM … #define STAT_LEC_ACK … #define STAT_LEC_BIT1 … #define STAT_LEC_BIT0 … #define STAT_LEC_CRC … #define STAT_LEC_MASK … #define STAT_TXOK … #define STAT_RXOK … #define STAT_WAKE … #define STAT_WARN … #define STAT_BOFF … /* * CPU Interface Register (0x02) * Clock Out Register (0x1f) * Bus Configuration Register (0x2f) * * see include/linux/can/platform/cc770.h */ /* Message Control Register 0 (Base Address + 0x0) */ #define INTPND_RES … #define INTPND_SET … #define INTPND_UNC … #define RXIE_RES … #define RXIE_SET … #define RXIE_UNC … #define TXIE_RES … #define TXIE_SET … #define TXIE_UNC … #define MSGVAL_RES … #define MSGVAL_SET … #define MSGVAL_UNC … /* Message Control Register 1 (Base Address + 0x01) */ #define NEWDAT_RES … #define NEWDAT_SET … #define NEWDAT_UNC … #define MSGLST_RES … #define MSGLST_SET … #define MSGLST_UNC … #define CPUUPD_RES … #define CPUUPD_SET … #define CPUUPD_UNC … #define TXRQST_RES … #define TXRQST_SET … #define TXRQST_UNC … #define RMTPND_RES … #define RMTPND_SET … #define RMTPND_UNC … /* Message Configuration Register (Base Address + 0x06) */ #define MSGCFG_XTD … #define MSGCFG_DIR … #define MSGOBJ_FIRST … #define MSGOBJ_LAST … #define CC770_IO_SIZE … #define CC770_MAX_IRQ … #define CC770_MAX_MSG … #define CC770_ECHO_SKB_MAX … #define cc770_read_reg(priv, member) … #define cc770_write_reg(priv, member, value) … /* * Message objects and flags used by this driver */ #define CC770_OBJ_FLAG_RX … #define CC770_OBJ_FLAG_RTR … #define CC770_OBJ_FLAG_EFF … enum { … }; #define obj2msgobj(o) … /* * CC770 private data structure */ struct cc770_priv { … }; struct net_device *alloc_cc770dev(int sizeof_priv); void free_cc770dev(struct net_device *dev); int register_cc770dev(struct net_device *dev); void unregister_cc770dev(struct net_device *dev); #endif /* CC770_DEV_H */
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