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      1 /*	$NetBSD: mvsatavar.h,v 1.5 2018/10/22 20:13:47 jdolecek Exp $	*/
      2 /*
      3  * Copyright (c) 2008 KIYOHARA Takashi
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef _MVSATAVAR_H_
     29 #define _MVSATAVAR_H_
     30 
     31 struct mvsata_product {
     32 	int vendor;
     33 	int model;
     34 	int hc;
     35 	int port;
     36 	int generation;
     37 	int flags;
     38 };
     39 
     40 #define MVSATA_EDMAQ_LEN	32	/* keep compatibility to gen1 */
     41 #define MVSATA_EDMAQ_INC(i)	((i) = ((i) + 1) % MVSATA_EDMAQ_LEN)
     42 #define MVSATA_HC_MAX		2
     43 #define MVSATA_PORT_MAX		4
     44 #define MVSATA_CHANNEL_MAX	(MVSATA_HC_MAX * MVSATA_PORT_MAX)
     45 
     46 
     47 struct mvsata_port;
     48 
     49 union mvsata_crqb {
     50 	struct crqb crqb;
     51 	struct crqb_gen2e crqb_gen2e;
     52 };
     53 
     54 struct _fix_phy_param {
     55 	uint32_t pre_amps;		/* Pre/SignalAmps */
     56 
     57 	void (*_fix_phy)(struct mvsata_port *);
     58 };
     59 
     60 enum mvsata_edmamode {
     61 	nodma,
     62 	dma,
     63 	queued,
     64 	ncq,
     65 };
     66 
     67 struct mvsata_port {
     68 	struct ata_channel port_ata_channel;
     69 
     70 	int port;
     71 	struct mvsata_hc *port_hc;
     72 
     73 	enum mvsata_edmamode port_edmamode_negotiated;
     74 	enum mvsata_edmamode port_edmamode_curr;
     75 
     76 	int port_prev_erqqop;		/* previous Req Queue Out-Pointer */
     77 	bus_dma_tag_t port_dmat;
     78 	union mvsata_crqb *port_crqb;	/* EDMA Command Request Block */
     79 	bus_dmamap_t port_crqb_dmamap;
     80 	struct crpb *port_crpb;		/* EDMA Command Response Block */
     81 	bus_dmamap_t port_crpb_dmamap;
     82 	struct eprd *port_eprd;		/* EDMA Phy Region Description Table */
     83 	bus_dmamap_t port_eprd_dmamap;
     84 	struct {
     85 		bus_dmamap_t data_dmamap;	/* DMA data buffer */
     86 		bus_size_t eprd_offset;		/* offset of ePRD buffer */
     87 		struct eprd *eprd;		/* ePRD buffer */
     88 	} port_reqtbl[MVSATA_EDMAQ_LEN];
     89 
     90 	bus_space_tag_t port_iot;
     91 	bus_space_handle_t port_ioh;
     92 	bus_space_handle_t port_sata_scontrol;	/* SATA Interface control reg */
     93 	bus_space_handle_t port_sata_serror;	/* SATA Interface error reg */
     94 	bus_space_handle_t port_sata_sstatus;	/* SATA Interface status reg */
     95 
     96 	struct _fix_phy_param _fix_phy_param;
     97 };
     98 
     99 struct mvsata_hc {
    100 	int hc;
    101 	struct mvsata_softc *hc_sc;
    102 
    103 	bus_space_tag_t hc_iot;		/* Tag for SATAHC Arbiter */
    104 	bus_space_handle_t hc_ioh;	/* Handle for SATAHC Arbiter */
    105 
    106 	struct mvsata_port *hc_ports[MVSATA_CHANNEL_MAX];
    107 };
    108 
    109 struct mvsata_softc {
    110 	struct wdc_softc sc_wdcdev;	/* common wdc definitions */
    111 
    112 	int sc_model;
    113 	int sc_rev;
    114 	enum {
    115 		gen_unknown = 0,
    116 		gen1,
    117 		gen2,
    118 		gen2e
    119 	} sc_gen;			/* Generation for LSI */
    120 	int sc_hc;			/* number of host controller */
    121 	int sc_port;			/* number of port/host */
    122 
    123 	bus_space_tag_t sc_iot;
    124 	bus_space_handle_t sc_ioh;
    125 	bus_dma_tag_t sc_dmat;
    126 
    127 	struct wdc_regs *sc_wdc_regs;
    128 	struct ata_channel *sc_ata_channels[MVSATA_CHANNEL_MAX];
    129 	struct mvsata_hc sc_hcs[MVSATA_HC_MAX];
    130 
    131 	int sc_flags;
    132 #define MVSATA_FLAGS_PCIE	(1 << 0)
    133 
    134 	void (*sc_edma_setup_crqb)(struct mvsata_port *, int,
    135 				   struct ata_xfer *);
    136 	void (*sc_enable_intr)(struct mvsata_port *, int);
    137 };
    138 
    139 int mvsata_attach(struct mvsata_softc *, const struct mvsata_product *,
    140 		  int (*mvsata_sreset)(struct mvsata_softc *),
    141 		  int (*mvsata_misc_reset)(struct mvsata_softc *), int);
    142 int mvsata_intr(struct mvsata_hc *);
    143 int mvsata_error(struct mvsata_port *);
    144 
    145 #endif	/* _MVSATAVAR_H_ */
    146