1/* $NetBSD: mvsatavar.h,v 1.2 2010/07/13 12:53:42 kiyohara 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
31struct 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
47struct mvsata_port;
48
49union mvsata_crqb {
50 struct crqb crqb;
51 struct crqb_gen2e crqb_gen2e;
52};
53
54struct _fix_phy_param {
55 uint32_t pre_amps; /* Pre/SignalAmps */
56
57 void (*_fix_phy)(struct mvsata_port *);
58};
59
60struct mvsata_port {
61 struct ata_channel port_ata_channel;
62
63 int port;
64 struct mvsata_hc *port_hc;
65
66 enum {
67 nodma,
68 dma,
69 queued,
70 ncq,
71 } port_edmamode;
72
73 int port_quetagidx; /* Host Queue Tag valiable */
74
75 int port_prev_erqqop; /* previous Req Queue Out-Pointer */
76 bus_dma_tag_t port_dmat;
77 union mvsata_crqb *port_crqb; /* EDMA Command Request Block */
78 bus_dmamap_t port_crqb_dmamap;
79 struct crpb *port_crpb; /* EDMA Command Response Block */
80 bus_dmamap_t port_crpb_dmamap;
81 struct eprd *port_eprd; /* EDMA Phy Region Description Table */
82 bus_dmamap_t port_eprd_dmamap;
83 struct {
84 struct ata_xfer *xfer; /* queued xfer */
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 struct ata_queue port_ata_queue;
96
97 struct _fix_phy_param _fix_phy_param;
98};
99
100struct mvsata_hc {
101 int hc;
102 struct mvsata_softc *hc_sc;
103
104 bus_space_tag_t hc_iot; /* Tag for SATAHC Arbiter */
105 bus_space_handle_t hc_ioh; /* Handle for SATAHC Arbiter */
106
107 struct mvsata_port *hc_ports[MVSATA_CHANNEL_MAX];
108};
109
110struct mvsata_softc {
111 struct wdc_softc sc_wdcdev; /* common wdc definitions */
112
113 int sc_model;
114 int sc_rev;
115 enum {
116 gen_unknown = 0,
117 gen1,
118 gen2,
119 gen2e
120 } sc_gen; /* Generation for LSI */
121 int sc_hc; /* number of host controller */
122 int sc_port; /* number of port/host */
123
124 bus_space_tag_t sc_iot;
125 bus_space_handle_t sc_ioh;
126 bus_dma_tag_t sc_dmat;
127
128 struct wdc_regs *sc_wdc_regs;
129 struct ata_channel *sc_ata_channels[MVSATA_CHANNEL_MAX];
130 struct mvsata_hc sc_hcs[MVSATA_HC_MAX];
131
132 int sc_flags;
133#define MVSATA_FLAGS_PCIE (1 << 0)
134
135 void (*sc_edma_setup_crqb)(struct mvsata_port *, int, int,
136 struct ata_bio *);
137 void (*sc_enable_intr)(struct mvsata_port *, int);
138};
139
140int mvsata_attach(struct mvsata_softc *, struct mvsata_product *,
141 int (*mvsata_sreset)(struct mvsata_softc *),
142 int (*mvsata_misc_reset)(struct mvsata_softc *), int);
143int mvsata_intr(struct mvsata_hc *);
144int mvsata_error(struct mvsata_port *);
145
146#endif /* _MVSATAVAR_H_ */
147