NetBSD/sys/dev/ic/mvsatavar.h

152 lines
4.3 KiB
C

/* $NetBSD: mvsatavar.h,v 1.4 2018/08/31 18:43:29 jdolecek Exp $ */
/*
* Copyright (c) 2008 KIYOHARA Takashi
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#ifndef _MVSATAVAR_H_
#define _MVSATAVAR_H_
struct mvsata_product {
int vendor;
int model;
int hc;
int port;
int generation;
int flags;
};
#define MVSATA_EDMAQ_LEN 32 /* keep compatibility to gen1 */
#define MVSATA_EDMAQ_INC(i) ((i) = ((i) + 1) % MVSATA_EDMAQ_LEN)
#define MVSATA_HC_MAX 2
#define MVSATA_PORT_MAX 4
#define MVSATA_CHANNEL_MAX (MVSATA_HC_MAX * MVSATA_PORT_MAX)
struct mvsata_port;
union mvsata_crqb {
struct crqb crqb;
struct crqb_gen2e crqb_gen2e;
};
struct _fix_phy_param {
uint32_t pre_amps; /* Pre/SignalAmps */
void (*_fix_phy)(struct mvsata_port *);
};
enum mvsata_edmamode {
nodma,
dma,
queued,
ncq,
};
struct mvsata_port {
struct ata_channel port_ata_channel;
int port;
struct mvsata_hc *port_hc;
enum mvsata_edmamode port_edmamode_negotiated;
enum mvsata_edmamode port_edmamode_curr;
volatile uint32_t port_quetagidx; /* Host Queue Tag valid */
int port_prev_erqqop; /* previous Req Queue Out-Pointer */
bus_dma_tag_t port_dmat;
union mvsata_crqb *port_crqb; /* EDMA Command Request Block */
bus_dmamap_t port_crqb_dmamap;
struct crpb *port_crpb; /* EDMA Command Response Block */
bus_dmamap_t port_crpb_dmamap;
struct eprd *port_eprd; /* EDMA Phy Region Description Table */
bus_dmamap_t port_eprd_dmamap;
struct {
bus_dmamap_t data_dmamap; /* DMA data buffer */
bus_size_t eprd_offset; /* offset of ePRD buffer */
struct eprd *eprd; /* ePRD buffer */
} port_reqtbl[MVSATA_EDMAQ_LEN];
bus_space_tag_t port_iot;
bus_space_handle_t port_ioh;
bus_space_handle_t port_sata_scontrol; /* SATA Interface control reg */
bus_space_handle_t port_sata_serror; /* SATA Interface error reg */
bus_space_handle_t port_sata_sstatus; /* SATA Interface status reg */
struct _fix_phy_param _fix_phy_param;
/* Recovery context */
uint32_t port_hold_slots;
bool port_recovering;
};
struct mvsata_hc {
int hc;
struct mvsata_softc *hc_sc;
bus_space_tag_t hc_iot; /* Tag for SATAHC Arbiter */
bus_space_handle_t hc_ioh; /* Handle for SATAHC Arbiter */
struct mvsata_port *hc_ports[MVSATA_CHANNEL_MAX];
};
struct mvsata_softc {
struct wdc_softc sc_wdcdev; /* common wdc definitions */
int sc_model;
int sc_rev;
enum {
gen_unknown = 0,
gen1,
gen2,
gen2e
} sc_gen; /* Generation for LSI */
int sc_hc; /* number of host controller */
int sc_port; /* number of port/host */
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_dma_tag_t sc_dmat;
struct wdc_regs *sc_wdc_regs;
struct ata_channel *sc_ata_channels[MVSATA_CHANNEL_MAX];
struct mvsata_hc sc_hcs[MVSATA_HC_MAX];
int sc_flags;
#define MVSATA_FLAGS_PCIE (1 << 0)
void (*sc_edma_setup_crqb)(struct mvsata_port *, int,
struct ata_xfer *);
void (*sc_enable_intr)(struct mvsata_port *, int);
};
int mvsata_attach(struct mvsata_softc *, const struct mvsata_product *,
int (*mvsata_sreset)(struct mvsata_softc *),
int (*mvsata_misc_reset)(struct mvsata_softc *), int);
int mvsata_intr(struct mvsata_hc *);
int mvsata_error(struct mvsata_port *);
#endif /* _MVSATAVAR_H_ */