xref: /netbsd/sys/dev/ic/mvsatavar.h (revision 9e5c0d05)
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