diff options
Diffstat (limited to 'drivers/net/can/cc770/cc770.h')
| -rw-r--r-- | drivers/net/can/cc770/cc770.h | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/drivers/net/can/cc770/cc770.h b/drivers/net/can/cc770/cc770.h deleted file mode 100644 index ca5b76866367..000000000000 --- a/drivers/net/can/cc770/cc770.h +++ /dev/null @@ -1,247 +0,0 @@ -/* - * cc770.h - Bosch CC770 and Intel AN82527 network device driver - * - * Copyright (C) 2009, 2011 Wolfgang Grandegger <wg@grandegger.com> - * - * Derived from the old Socket-CAN i82527 driver: - * - * Copyright (c) 2002-2007 Volkswagen Group Electronic Research - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Volkswagen nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * Alternatively, provided that this notice is retained in full, this - * software may be distributed under the terms of the GNU General - * Public License ("GPL") version 2, in which case the provisions of the - * GPL apply INSTEAD OF those given above. - * - * The provided data structures and external interfaces from this code - * are not restricted to be used by modules with a GPL compatible license. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * Send feedback to <socketcan-users@lists.berlios.de> - */ - -#ifndef CC770_DEV_H -#define CC770_DEV_H - -#include <linux/can/dev.h> - -struct cc770_msgobj { - u8 ctrl0; - u8 ctrl1; - u8 id[4]; - u8 config; - u8 data[8]; - u8 dontuse; /* padding */ -} __attribute__ ((packed)); - -struct cc770_regs { - union { - struct cc770_msgobj msgobj[16]; /* Message object 1..15 */ - struct { - u8 control; /* Control Register */ - u8 status; /* Status Register */ - u8 cpu_interface; /* CPU Interface Register */ - u8 dontuse1; - u8 high_speed_read[2]; /* High Speed Read */ - u8 global_mask_std[2]; /* Standard Global Mask */ - u8 global_mask_ext[4]; /* Extended Global Mask */ - u8 msg15_mask[4]; /* Message 15 Mask */ - u8 dontuse2[15]; - u8 clkout; /* Clock Out Register */ - u8 dontuse3[15]; - u8 bus_config; /* Bus Configuration Register */ - u8 dontuse4[15]; - u8 bit_timing_0; /* Bit Timing Register byte 0 */ - u8 dontuse5[15]; - u8 bit_timing_1; /* Bit Timing Register byte 1 */ - u8 dontuse6[15]; - u8 interrupt; /* Interrupt Register */ - u8 dontuse7[15]; - u8 rx_error_counter; /* Receive Error Counter */ - u8 dontuse8[15]; - u8 tx_error_counter; /* Transmit Error Counter */ - u8 dontuse9[31]; - u8 p1_conf; - u8 dontuse10[15]; - u8 p2_conf; - u8 dontuse11[15]; - u8 p1_in; - u8 dontuse12[15]; - u8 p2_in; - u8 dontuse13[15]; - u8 p1_out; - u8 dontuse14[15]; - u8 p2_out; - u8 dontuse15[15]; - u8 serial_reset_addr; - }; - }; -} __attribute__ ((packed)); - -/* Control Register (0x00) */ -#define CTRL_INI 0x01 /* Initialization */ -#define CTRL_IE 0x02 /* Interrupt Enable */ -#define CTRL_SIE 0x04 /* Status Interrupt Enable */ -#define CTRL_EIE 0x08 /* Error Interrupt Enable */ -#define CTRL_EAF 0x20 /* Enable additional functions */ -#define CTRL_CCE 0x40 /* Change Configuration Enable */ - -/* Status Register (0x01) */ -#define STAT_LEC_STUFF 0x01 /* Stuff error */ -#define STAT_LEC_FORM 0x02 /* Form error */ -#define STAT_LEC_ACK 0x03 /* Acknowledgement error */ -#define STAT_LEC_BIT1 0x04 /* Bit1 error */ -#define STAT_LEC_BIT0 0x05 /* Bit0 error */ -#define STAT_LEC_CRC 0x06 /* CRC error */ -#define STAT_LEC_MASK 0x07 /* Last Error Code mask */ -#define STAT_TXOK 0x08 /* Transmit Message Successfully */ -#define STAT_RXOK 0x10 /* Receive Message Successfully */ -#define STAT_WAKE 0x20 /* Wake Up Status */ -#define STAT_WARN 0x40 /* Warning Status */ -#define STAT_BOFF 0x80 /* Bus Off Status */ - -/* CPU Interface Register (0x02) */ -#define CPUIF_CEN 0x01 /* Clock Out Enable */ -#define CPUIF_MUX 0x04 /* Multiplex */ -#define CPUIF_SLP 0x08 /* Sleep */ -#define CPUIF_PWD 0x10 /* Power Down Mode */ -#define CPUIF_DMC 0x20 /* Divide Memory Clock */ -#define CPUIF_DSC 0x40 /* Divide System Clock */ -#define CPUIF_RST 0x80 /* Hardware Reset Status */ - -/* Clock Out Register (0x1f) */ -#define CLKOUT_CD_MASK 0x0f /* Clock Divider mask */ -#define CLKOUT_SL_MASK 0x30 /* Slew Rate mask */ -#define CLKOUT_SL_SHIFT 4 - -/* Bus Configuration Register (0x2f) */ -#define BUSCFG_DR0 0x01 /* Disconnect RX0 Input / Select RX input */ -#define BUSCFG_DR1 0x02 /* Disconnect RX1 Input / Silent mode */ -#define BUSCFG_DT1 0x08 /* Disconnect TX1 Output */ -#define BUSCFG_POL 0x20 /* Polarity dominant or recessive */ -#define BUSCFG_CBY 0x40 /* Input Comparator Bypass */ - -/* Message Control Register 0 (Base Address + 0x0) */ -#define INTPND_RES 0x01 /* No Interrupt pending */ -#define INTPND_SET 0x02 /* Interrupt pending */ -#define INTPND_UNC 0x03 -#define RXIE_RES 0x04 /* Receive Interrupt Disable */ -#define RXIE_SET 0x08 /* Receive Interrupt Enable */ -#define RXIE_UNC 0x0c -#define TXIE_RES 0x10 /* Transmit Interrupt Disable */ -#define TXIE_SET 0x20 /* Transmit Interrupt Enable */ -#define TXIE_UNC 0x30 -#define MSGVAL_RES 0x40 /* Message Invalid */ -#define MSGVAL_SET 0x80 /* Message Valid */ -#define MSGVAL_UNC 0xc0 - -/* Message Control Register 1 (Base Address + 0x01) */ -#define NEWDAT_RES 0x01 /* No New Data */ -#define NEWDAT_SET 0x02 /* New Data */ -#define NEWDAT_UNC 0x03 -#define MSGLST_RES 0x04 /* No Message Lost */ -#define MSGLST_SET 0x08 /* Message Lost */ -#define MSGLST_UNC 0x0c -#define CPUUPD_RES 0x04 /* No CPU Updating */ -#define CPUUPD_SET 0x08 /* CPU Updating */ -#define CPUUPD_UNC 0x0c -#define TXRQST_RES 0x10 /* No Transmission Request */ -#define TXRQST_SET 0x20 /* Transmission Request */ -#define TXRQST_UNC 0x30 -#define RMTPND_RES 0x40 /* No Remote Request Pending */ -#define RMTPND_SET 0x80 /* Remote Request Pending */ -#define RMTPND_UNC 0xc0 - -/* Message Configuration Register (Base Address + 0x06) */ -#define MSGCFG_XTD 0x04 /* Extended Identifier */ -#define MSGCFG_DIR 0x08 /* Direction is Transmit */ - -#define MSGOBJ_FIRST 1 -#define MSGOBJ_LAST 15 - -#define CC770_IO_SIZE 0x100 -#define CC770_MAX_IRQ 20 /* max. number of interrupts handled in ISR */ - -#define CC770_ECHO_SKB_MAX 1 - -#define cc770_read_reg(priv, member) \ - priv->read_reg(priv, offsetof(struct cc770_regs, member)) - -#define cc770_write_reg(priv, member, value) \ - priv->write_reg(priv, offsetof(struct cc770_regs, member), value) - -/* - * Message objects and flags used by this driver - */ -#define CC770_OBJ_FLAG_RX 0x01 -#define CC770_OBJ_FLAG_RTR 0x02 -#define CC770_OBJ_FLAG_EFF 0x04 - -enum { - CC770_OBJ_RX0 = 0, /* for receiving normal messages */ - CC770_OBJ_RX1, /* for receiving normal messages */ - CC770_OBJ_RX_RTR0, /* for receiving remote transmission requests */ - CC770_OBJ_RX_RTR1, /* for receiving remote transmission requests */ - CC770_OBJ_TX, /* for sending messages */ - CC770_OBJ_MAX -}; - -#define obj2msgobj(o) (MSGOBJ_LAST - (o)) /* message object 11..15 */ - -/* - * CC770 private data structure - */ -struct cc770_priv { - struct can_priv can; /* must be the first member */ - int open_time; - struct sk_buff *echo_skb; - - /* the lower-layer is responsible for appropriate locking */ - u8 (*read_reg)(const struct cc770_priv *priv, int reg); - void (*write_reg)(const struct cc770_priv *priv, int reg, u8 val); - void (*pre_irq)(const struct cc770_priv *priv); - void (*post_irq)(const struct cc770_priv *priv); - - void *priv; /* for board-specific data */ - struct net_device *dev; - - void __iomem *reg_base; /* ioremap'ed address to registers */ - unsigned long irq_flags; /* for request_irq() */ - - unsigned char obj_flags[CC770_OBJ_MAX]; - u8 control_normal_mode; /* Control register for normal mode */ - u8 cpu_interface; /* CPU interface register */ - u8 clkout; /* Clock out register */ - u8 bus_config; /* Bus conffiguration register */ -}; - -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 */ |