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 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 struct 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 }; 99 100 struct 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 }; 109 110 struct 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 }; 139 140 int mvsata_attach(struct mvsata_softc *, struct mvsata_product *, 141 int (*mvsata_sreset)(struct mvsata_softc *), 142 int (*mvsata_misc_reset)(struct mvsata_softc *), int); 143 int mvsata_intr(struct mvsata_hc *); 144 int mvsata_error(struct mvsata_port *); 145 146 #endif /* _MVSATAVAR_H_ */ 147