152 lines
4.3 KiB
C
152 lines
4.3 KiB
C
/* $NetBSD: mvsatavar.h,v 1.3 2017/10/07 16:05:32 jdolecek Exp $ */
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/*
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* Copyright (c) 2008 KIYOHARA Takashi
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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 AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MVSATAVAR_H_
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#define _MVSATAVAR_H_
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struct mvsata_product {
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int vendor;
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int model;
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int hc;
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int port;
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int generation;
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int flags;
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};
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#define MVSATA_EDMAQ_LEN 32 /* keep compatibility to gen1 */
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#define MVSATA_EDMAQ_INC(i) ((i) = ((i) + 1) % MVSATA_EDMAQ_LEN)
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#define MVSATA_HC_MAX 2
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#define MVSATA_PORT_MAX 4
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#define MVSATA_CHANNEL_MAX (MVSATA_HC_MAX * MVSATA_PORT_MAX)
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struct mvsata_port;
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union mvsata_crqb {
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struct crqb crqb;
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struct crqb_gen2e crqb_gen2e;
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};
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struct _fix_phy_param {
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uint32_t pre_amps; /* Pre/SignalAmps */
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void (*_fix_phy)(struct mvsata_port *);
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};
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enum mvsata_edmamode {
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nodma,
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dma,
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queued,
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ncq,
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};
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struct mvsata_port {
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struct ata_channel port_ata_channel;
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int port;
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struct mvsata_hc *port_hc;
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enum mvsata_edmamode port_edmamode_negotiated;
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enum mvsata_edmamode port_edmamode_curr;
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volatile uint32_t port_quetagidx; /* Host Queue Tag valid */
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int port_prev_erqqop; /* previous Req Queue Out-Pointer */
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bus_dma_tag_t port_dmat;
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union mvsata_crqb *port_crqb; /* EDMA Command Request Block */
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bus_dmamap_t port_crqb_dmamap;
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struct crpb *port_crpb; /* EDMA Command Response Block */
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bus_dmamap_t port_crpb_dmamap;
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struct eprd *port_eprd; /* EDMA Phy Region Description Table */
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bus_dmamap_t port_eprd_dmamap;
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struct {
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bus_dmamap_t data_dmamap; /* DMA data buffer */
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bus_size_t eprd_offset; /* offset of ePRD buffer */
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struct eprd *eprd; /* ePRD buffer */
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} port_reqtbl[MVSATA_EDMAQ_LEN];
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bus_space_tag_t port_iot;
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bus_space_handle_t port_ioh;
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bus_space_handle_t port_sata_scontrol; /* SATA Interface control reg */
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bus_space_handle_t port_sata_serror; /* SATA Interface error reg */
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bus_space_handle_t port_sata_sstatus; /* SATA Interface status reg */
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struct _fix_phy_param _fix_phy_param;
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/* Recovery context */
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uint32_t port_hold_slots;
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bool port_recovering;
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};
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struct mvsata_hc {
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int hc;
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struct mvsata_softc *hc_sc;
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bus_space_tag_t hc_iot; /* Tag for SATAHC Arbiter */
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bus_space_handle_t hc_ioh; /* Handle for SATAHC Arbiter */
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struct mvsata_port *hc_ports[MVSATA_CHANNEL_MAX];
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};
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struct mvsata_softc {
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struct wdc_softc sc_wdcdev; /* common wdc definitions */
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int sc_model;
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int sc_rev;
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enum {
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gen_unknown = 0,
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gen1,
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gen2,
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gen2e
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} sc_gen; /* Generation for LSI */
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int sc_hc; /* number of host controller */
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int sc_port; /* number of port/host */
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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bus_dma_tag_t sc_dmat;
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struct wdc_regs *sc_wdc_regs;
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struct ata_channel *sc_ata_channels[MVSATA_CHANNEL_MAX];
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struct mvsata_hc sc_hcs[MVSATA_HC_MAX];
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int sc_flags;
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#define MVSATA_FLAGS_PCIE (1 << 0)
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void (*sc_edma_setup_crqb)(struct mvsata_port *, int,
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struct ata_xfer *);
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void (*sc_enable_intr)(struct mvsata_port *, int);
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};
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int mvsata_attach(struct mvsata_softc *, struct mvsata_product *,
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int (*mvsata_sreset)(struct mvsata_softc *),
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int (*mvsata_misc_reset)(struct mvsata_softc *), int);
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int mvsata_intr(struct mvsata_hc *);
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int mvsata_error(struct mvsata_port *);
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#endif /* _MVSATAVAR_H_ */
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