xref: /netgear-WNDR4500-V1.0.1.40_1.0.68/src/linux/linux-2.6/drivers/s390/block

/* $FreeBSD: head/sys/dev/mpt/mpt.h 102199 2002-08-20 23:04:08Z mjacob $ */
/*
 * Generic defines for LSI '909 FC  adapters.
 * FreeBSD Version.
 *
 * Copyright (c)  2000, 2001 by Greg Ansley
 *
 * 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 immediately at the beginning of the file, without modification,
 *    this list of conditions, and the following disclaimer.
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
 */
/*
 * Additional Copyright (c) 2002 by Matthew Jacob under same license.
 */

#ifndef _MPT_H_
#define _MPT_H_
#include <dev/mpt/mpt_freebsd.h>
#define MPT_OK (0)
#define MPT_FAIL (0x10000)

/* Register Offset to chip registers */
#define MPT_OFFSET_DOORBELL     0x00
#define MPT_OFFSET_SEQUENCE     0x04
#define MPT_OFFSET_DIAGNOSTIC   0x08
#define MPT_OFFSET_TEST         0x0C
#define MPT_OFFSET_INTR_STATUS  0x30
#define MPT_OFFSET_INTR_MASK    0x34
#define MPT_OFFSET_REQUEST_Q    0x40
#define MPT_OFFSET_REPLY_Q      0x44
#define MPT_OFFSET_HOST_INDEX   0x50
#define MPT_OFFSET_FUBAR        0x90

#define MPT_DIAG_SEQUENCE_1     0x04
#define MPT_DIAG_SEQUENCE_2     0x0b
#define MPT_DIAG_SEQUENCE_3     0x02
#define MPT_DIAG_SEQUENCE_4     0x07
#define MPT_DIAG_SEQUENCE_5     0x0d

/* Bit Maps for DOORBELL register */
enum DB_STATE_BITS {
	MPT_DB_STATE_RESET   =    0x00000000,
	MPT_DB_STATE_READY   =    0x10000000,
	MPT_DB_STATE_RUNNING =    0x20000000,
	MPT_DB_STATE_FAULT   =    0x40000000,
	MPT_DB_STATE_MASK    =    0xf0000000
};

#define MPT_STATE(v) ((enum DB_STATE_BITS)((v) & MPT_DB_STATE_MASK))

#define MPT_DB_LENGTH_SHIFT (16)
#define MPT_DB_DATA_MASK (0xffff)

#define MPT_DB_DB_USED            0x08000000
#define MPT_DB_IS_IN_USE(v) (((v) & MPT_DB_DB_USED) != 0)

/*
 * "Whom" initializor values
 */
#define	MPT_DB_INIT_NOONE       0x00
#define	MPT_DB_INIT_BIOS        0x01
#define	MPT_DB_INIT_ROMBIOS     0x02
#define	MPT_DB_INIT_PCIPEER     0x03
#define	MPT_DB_INIT_HOST        0x04
#define	MPT_DB_INIT_MANUFACTURE 0x05

#define MPT_WHO(v)	\
	((v & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT)

/* Function Maps for DOORBELL register */
enum DB_FUNCTION_BITS {
	MPT_FUNC_IOC_RESET    =    0x40000000,
	MPT_FUNC_UNIT_RESET   =    0x41000000,
	MPT_FUNC_HANDSHAKE    =    0x42000000,
	MPT_FUNC_REPLY_REMOVE =    0x43000000,
	MPT_FUNC_MASK         =    0xff000000
};

/* Function Maps for INTERRUPT request register */
enum _MPT_INTR_REQ_BITS {
	MPT_INTR_DB_BUSY      =    0x80000000,
	MPT_INTR_REPLY_READY  =    0x00000008,
	MPT_INTR_DB_READY     =    0x00000001
};

#define MPT_DB_IS_BUSY(v) (((v) & MPT_INTR_DB_BUSY) != 0)
#define MPT_DB_INTR(v)    (((v) & MPT_INTR_DB_READY) != 0)
#define MPT_REPLY_INTR(v) (((v) & MPT_INTR_REPLY_READY) != 0)

/* Function Maps for INTERRUPT make register */
enum _MPT_INTR_MASK_BITS {
	MPT_INTR_REPLY_MASK   =    0x00000008,
	MPT_INTR_DB_MASK      =    0x00000001
};

/* Function Maps for DIAGNOSTIC make register */
enum _MPT_DIAG_BITS {
	MPT_DIAG_ENABLED      =    0x00000080,
	MPT_DIAG_FLASHBAD     =    0x00000040,
	MPT_DIAG_RESET_HIST   =    0x00000020,
	MPT_DIAG_TTLI         =    0x00000008,
	MPT_DIAG_RESET_IOC    =    0x00000004,
	MPT_DIAG_ARM_DISABLE  =    0x00000002,
	MPT_DIAG_DME          =    0x00000001
};

/* Magic addresses in diagnostic memory space */
#define MPT_DIAG_IOP_BASE        (0x00000000)
#define MPT_DIAG_IOP_SIZE                      (0x00002000)
#define MPT_DIAG_GPIO            (0x00030010)
#define MPT_DIAG_IOPQ_REG_BASE0  (0x00050004)
#define MPT_DIAG_IOPQ_REG_BASE1  (0x00051004)
#define MPT_DIAG_MEM_CFG_BASE    (0x00040000)
#define MPT_DIAG_CTX0_BASE       (0x000E0000)
#define MPT_DIAG_CTX0_SIZE                     (0x00002000)
#define MPT_DIAG_CTX1_BASE       (0x001E0000)
#define MPT_DIAG_CTX1_SIZE                     (0x00002000)
#define MPT_DIAG_FLASH_BASE      (0x00800000)
#define MPT_DIAG_RAM_BASE        (0x01000000)
#define MPT_DIAG_RAM_SIZE                      (0x00400000)

/* GPIO bit assignments */
#define MPT_DIAG_GPIO_SCL	(0x00010000)
#define MPT_DIAG_GPIO_SDA_OUT	(0x00008000)
#define MPT_DIAG_GPIO_SDA_IN	(0x00004000)

#define MPT_REPLY_EMPTY   (0xffffffff)    /* Reply Queue Empty Symbol */
#define MPT_CONTEXT_REPLY (0x80000000)
#define MPT_CONTEXT_MASK  (~0xE0000000)

#ifdef _KERNEL
int mpt_soft_reset(mpt_softc_t *mpt);
void mpt_hard_reset(mpt_softc_t *mpt);
int mpt_recv_handshake_reply(mpt_softc_t *mpt, size_t reply_len, void *reply);


void mpt_send_cmd(mpt_softc_t *mpt, request_t *req);
void mpt_free_reply(mpt_softc_t *mpt, u_int32_t ptr);
void mpt_enable_ints(mpt_softc_t *mpt);
void mpt_disable_ints(mpt_softc_t *mpt);
u_int32_t mpt_pop_reply_queue(mpt_softc_t *mpt);
int mpt_init(mpt_softc_t *mpt, u_int32_t who);
int mpt_reset(mpt_softc_t *mpt);
int mpt_send_handshake_cmd(mpt_softc_t *mpt, size_t len, void *cmd);
request_t * mpt_get_request(mpt_softc_t *mpt);
void mpt_free_request(mpt_softc_t *mpt, request_t *req);
int mpt_intr(void *dummy);
void mpt_check_doorbell(mpt_softc_t * mpt);

/* mpt_debug.c functions */
void mpt_print_reply(void *vmsg);
void mpt_print_db(u_int32_t mb);
void mpt_print_config_reply(void *vmsg);
char *mpt_ioc_diag(u_int32_t diag);
char *mpt_req_state(enum mpt_req_state state);
void mpt_print_scsi_io_request(MSG_SCSI_IO_REQUEST *msg);
void mpt_print_config_request(void *vmsg);
void mpt_print_request(void *vmsg);
#endif
#endif /* _MPT_H_ */