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139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
/* $NetBSD: octeon_fauvar.h,v 1.1 2015/04/29 08:32:01 hikaru Exp $ */
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/*
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* Copyright (c) 2007 Internet Initiative Japan, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _OCTEON_FAUVAR_H_
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#define _OCTEON_FAUVAR_H_
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/* ---- API */
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struct octeon_fau_desc {
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/* offset in scratch buffer */
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size_t fd_scroff; /* XXX offset_t */
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/* FAU register number */
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size_t fd_regno; /* XXX offset_t */
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};
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void octeon_fau_op_init(struct octeon_fau_desc *, size_t, size_t);
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uint64_t octeon_fau_op_save(struct octeon_fau_desc *);
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void octeon_fau_op_restore(struct octeon_fau_desc *, uint64_t);
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int64_t octeon_fau_op_inc_8(struct octeon_fau_desc *, int64_t);
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int32_t octeon_fau_op_inc_4(struct octeon_fau_desc *, int32_t);
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int16_t octeon_fau_op_inc_2(struct octeon_fau_desc *, int16_t);
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int8_t octeon_fau_op_inc_1(struct octeon_fau_desc *, int8_t);
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int64_t octeon_fau_op_incwait_8(struct octeon_fau_desc *, int);
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int32_t octeon_fau_op_incwait_4(struct octeon_fau_desc *, int);
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int16_t octeon_fau_op_incwait_2(struct octeon_fau_desc *, int);
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int8_t octeon_fau_op_incwait_1(struct octeon_fau_desc *, int);
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int64_t octeon_fau_op_get_8(struct octeon_fau_desc *);
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int32_t octeon_fau_op_get_4(struct octeon_fau_desc *);
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int16_t octeon_fau_op_get_2(struct octeon_fau_desc *);
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int8_t octeon_fau_op_get_1(struct octeon_fau_desc *);
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int64_t octeon_fau_op_getwait_8(struct octeon_fau_desc *);
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int32_t octeon_fau_op_getwait_4(struct octeon_fau_desc *);
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int16_t octeon_fau_op_getwait_2(struct octeon_fau_desc *);
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int8_t octeon_fau_op_getwait_1(struct octeon_fau_desc *);
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void octeon_fau_op_add_8(struct octeon_fau_desc *, int64_t);
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void octeon_fau_op_add_4(struct octeon_fau_desc *, int32_t);
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void octeon_fau_op_add_2(struct octeon_fau_desc *, int16_t);
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void octeon_fau_op_add_1(struct octeon_fau_desc *, int8_t);
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void octeon_fau_op_set_8(struct octeon_fau_desc *, int64_t);
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void octeon_fau_op_set_4(struct octeon_fau_desc *, int32_t);
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void octeon_fau_op_set_2(struct octeon_fau_desc *, int16_t);
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void octeon_fau_op_set_1(struct octeon_fau_desc *, int8_t);
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/* ---- old API */
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/* XXX */
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#define OCT_FAU_REG_OQ_ADDR_INDEX (0)
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#define OCT_FAU_REG_ADDR_END (256)
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/* XXX */
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/* XXX */
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typedef enum {
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OCT_FAU_OP_SIZE_8 = 0,
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OCT_FAU_OP_SIZE_16 = 1,
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OCT_FAU_OP_SIZE_32 = 2,
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OCT_FAU_OP_SIZE_64 = 3
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} fau_op_size_t;
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/* XXX */
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/*
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* XXX
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* `scraddr' parameter of IOBDMA operation is actually `index';
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*/
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static inline void
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octeon_fau_op_iobdma(int index, uint64_t args)
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{
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uint64_t value;
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value =
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((uint64_t)(index & 0xff) << 56) |
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((uint64_t)1 << 48) |
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((uint64_t)(CN30XXFAU_MAJORDID & 0x1f) << 43) |
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((uint64_t)(CN30XXFAU_SUBDID & 0x7) << 40) |
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((uint64_t)args & 0xfffffffffULL);
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octeon_iobdma_write_8(value);
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}
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/* IOBDMA Operations */
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/* IOBDMA Store Data for FAU Operations */
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static inline void
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octeon_fau_op_iobdma_store_data(int scraddr, int incval, int tagwait,
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int size, int reg)
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{
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uint64_t args;
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args =
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((uint64_t)(incval & 0x3fffff) << 14) |
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((uint64_t)(tagwait & 0x1) << 13) |
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((uint64_t)(size & 0x3) << 11) |
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((uint64_t)(reg & 0x7ff) << 0);
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/*
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* `scraddr' parameter of IOBDMA operation is actually `index';
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*/
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octeon_fau_op_iobdma((int)((uint32_t)scraddr >> 3) /* XXX */, args);
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}
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static inline void
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octeon_fau_op_inc_fetch_8(struct octeon_fau_desc *fd, int64_t v)
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{
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octeon_fau_op_iobdma_store_data(fd->fd_scroff, v, 0, OCT_FAU_OP_SIZE_64/* XXX */,
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fd->fd_regno);
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}
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static inline int64_t
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octeon_fau_op_inc_read_8(struct octeon_fau_desc *fd)
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{
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OCTEON_SYNCIOBDMA;
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return octeon_cvmseg_read_8(fd->fd_scroff);
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}
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#endif /* _OCTEON_FAUVAR_H_ */
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