The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/aha/ahareg.h

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    1 /*-
    2  * Generic register and struct definitions for the Adaptech 1540, 1542,
    3  * 1640, 1642 SCSI host adapters. Product specific probe and attach
    4  * routines can be found in:
    5  *      aha_isa.c, aha_mca.c
    6  *
    7  * Derived from bt.c written by:
    8  *
    9  * Copyright (c) 1998 Justin T. Gibbs.
   10  * All rights reserved.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions, and the following disclaimer,
   17  *    without modification, immediately at the beginning of the file.
   18  * 2. The name of the author may not be used to endorse or promote products
   19  *    derived from this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   25  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   31  * SUCH DAMAGE.
   32  *
   33  * $FreeBSD: releng/9.0/sys/dev/aha/ahareg.h 164110 2006-11-09 02:19:30Z kevlo $
   34  */
   35 
   36 #ifndef _AHAREG_H_
   37 #define _AHAREG_H_
   38 
   39 #include <sys/queue.h>
   40 #include <cam/scsi/scsi_all.h>
   41 
   42 #define AHA_MAXTRANSFER_SIZE     0xffffff       /* limited by 24bit counter */
   43 #define AHA_NSEG                17      /* The number of dma segments 
   44                                          * supported. */
   45 #define ALL_TARGETS (~0)
   46 
   47 /*
   48  * Control Register pp. 1-8, 1-9 (Write Only)
   49  */
   50 #define CONTROL_REG             0x00
   51 #define         HARD_RESET      0x80    /* Hard Reset - return to POST state */
   52 #define         SOFT_RESET      0x40    /* Soft Reset - Clears Adapter state */
   53 #define         RESET_INTR      0x20    /* Reset/Ack Interrupt */
   54 #define         RESET_SBUS      0x10    /* Drive SCSI bus reset signal */
   55 
   56 /*
   57  * Status Register pp. 1-9, 1-10 (Read Only)
   58  */
   59 #define STATUS_REG                      0x00
   60 #define         DIAG_ACTIVE             0x80    /* Performing Internal Diags */
   61 #define         DIAG_FAIL               0x40    /* Internal Diags failed */
   62 #define         INIT_REQUIRED           0x20    /* MBOXes need initialization */
   63 #define         HA_READY                0x10    /* HA ready for new commands */
   64 #define         CMD_REG_BUSY            0x08    /* HA busy with last cmd byte */
   65 #define         DATAIN_REG_READY        0x04    /* Data-in Byte available */
   66 #define         STATUS_REG_RSVD         0x02
   67 #define         CMD_INVALID             0x01    /* Invalid Command detected */
   68 
   69 /*
   70  * Command/Parameter Register pp. 1-10, 1-11 (Write Only)
   71  */
   72 #define COMMAND_REG                     0x01
   73 
   74 /*
   75  * Data in Register p. 1-11 (Read Only)
   76  */
   77 #define DATAIN_REG                      0x01
   78 
   79 /*
   80  * Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
   81  */
   82 #define INTSTAT_REG                     0x02
   83 #define         INTR_PENDING            0x80    /* There is a pending INTR */
   84 #define         INTSTAT_REG_RSVD        0x70
   85 #define         SCSI_BUS_RESET          0x08    /* Bus Reset detected */
   86 #define         CMD_COMPLETE            0x04
   87 #define         OMB_READY               0x02    /* Outgoin Mailbox Ready */
   88 #define         IMB_LOADED              0x01    /* Incoming Mailbox loaded */
   89 
   90 /*
   91  * Definitions for the "undocumented" geometry register, we just need
   92  * its location.
   93  */
   94 #define GEOMETRY_REG                    0x03
   95 
   96 #define AHA_NREGS       (4)
   97 
   98 /*
   99  * Opcodes for Adapter commands.
  100  */
  101 typedef enum {
  102         AOP_NOP                 = 0x00,
  103         AOP_INITIALIZE_MBOX     = 0x01,
  104         AOP_START_MBOX          = 0x02,
  105         AOP_EXECUTE_BIOS_CMD    = 0x03,
  106         AOP_INQUIRE_BOARD_ID    = 0x04,
  107         AOP_ENABLE_OMBR_INT     = 0x05,
  108         AOP_SET_SEL_TIMOUT      = 0x06,
  109         AOP_SET_TIME_ON_BUS     = 0x07,
  110         AOP_SET_TIME_OFF_BUS    = 0x08,
  111         AOP_SET_BUS_TRANS_RATE  = 0x09,
  112         AOP_INQUIRE_INST_LDEVS  = 0x0A,
  113         AOP_INQUIRE_CONFIG      = 0x0B,
  114         AOP_ENABLE_TARGET_MODE  = 0x0C,
  115         AOP_INQUIRE_SETUP_INFO  = 0x0D,
  116         AOP_WRITE_LRAM          = 0x1A,
  117         AOP_READ_LRAM           = 0x1B,
  118         AOP_WRITE_CHIP_FIFO     = 0x1C,
  119         AOP_READ_CHIP_FIFO      = 0x1D,
  120         AOP_ECHO_DATA_BYTE      = 0x1F,
  121         AOP_ADAPTER_DIAGNOSTICS = 0x20,
  122         AOP_SET_ADAPTER_OPTIONS = 0x21,
  123         AOP_SET_EEPROM          = 0x22,
  124         AOP_RETURN_EEPROM       = 0x23,
  125         AOP_ENABLE_SHADOW_RAM   = 0x24,
  126         AOP_INIT_BIOS_MBOX      = 0x25,
  127         AOP_SET_BIOS_BANK_1     = 0x26,
  128         AOP_SET_BIOS_BANK_2     = 0x27,
  129         AOP_RETURN_EXT_BIOS_INFO= 0x28,
  130         AOP_MBOX_IF_ENABLE      = 0x29,
  131         AOP_SCSI_TERM_STATUS    = 0x2C,
  132         AOP_INQUIRE_SCAM_DEV    = 0x2D,
  133         AOP_SCSI_DEV_TABLE      = 0x2E,
  134         AOP_SCAM_OP             = 0x2F,
  135         AOP_START_BIOS_CMD      = 0x82,
  136         AOP_INQUIRE_ESETUP_INFO = 0x8D
  137 } aha_op_t;
  138 
  139 /************** Definitions of Multi-byte commands and responses ************/
  140 
  141 struct  aha_extbios
  142 {
  143         uint8_t flags;                  /* Bit 3 == 1 extended bios enabled */
  144         uint8_t mailboxlock;            /* mail box lock code to unlock it */
  145 };
  146 
  147 typedef struct {
  148         uint8_t num_mboxes;
  149         uint8_t base_addr[3];
  150 } init_24b_mbox_params_t;
  151 
  152 typedef struct {
  153         uint8_t board_type;
  154 /* These values are mostly from the aha-1540CP technical reference, but */
  155 /* with other values from the old aha1542.c driver. The values from the */
  156 /* aha-1540CP technical manual are used where conflicts arise */
  157 #define         BOARD_1540_16HEAD_BIOS  0x00
  158 #define         BOARD_1540_64HEAD_BIOS  0x30
  159 #define         BOARD_1542              0x41    /* aha-1540/1542 w/64-h bios */
  160 #define         BOARD_1640              0x42    /* aha-1640 */
  161 #define         BOARD_1740              0x43    /* aha-1740A/1742A/1744 */
  162 #define         BOARD_1542C             0x44    /* aha-1542C */
  163 #define         BOARD_1542CF            0x45    /* aha-1542CF */
  164 #define         BOARD_1542CP            0x46    /* aha-1542CP, plug and play */
  165         uint8_t cust_features;
  166 #define         FEATURES_STANDARD       0x30
  167         uint8_t firmware_rev_major;
  168         uint8_t firmware_rev_minor;
  169 } board_id_data_t;
  170 
  171 typedef struct {
  172         uint8_t dma_chan;
  173 #define         DMA_CHAN_5      0x20
  174 #define         DMA_CHAN_6      0x40
  175 #define         DMA_CHAN_7      0x80
  176         uint8_t irq;
  177 #define         IRQ_9           0x01
  178 #define         IRQ_10          0x02
  179 #define         IRQ_11          0x04
  180 #define         IRQ_12          0x08
  181 #define         IRQ_14          0x20
  182 #define         IRQ_15          0x40
  183         uint8_t scsi_id;
  184 } config_data_t;
  185 
  186 typedef struct {
  187         uint8_t offset : 4,
  188                  period : 3,
  189                  sync   : 1;
  190 } targ_syncinfo_t;
  191 
  192 typedef struct {
  193         uint8_t initiate_sync   : 1,
  194                         parity_enable   : 1,
  195                                         : 6;
  196 
  197         uint8_t bus_transfer_rate;
  198         uint8_t time_on_bus;
  199         uint8_t time_off_bus;
  200         uint8_t num_mboxes;
  201         uint8_t mbox_base_addr[3];
  202         targ_syncinfo_t syncinfo[8];
  203         uint8_t discinfo;
  204         uint8_t customer_sig[20];
  205         uint8_t auto_retry;
  206         uint8_t board_switches;
  207         uint8_t firmware_cksum[2];
  208         uint8_t bios_mbox_addr[3];
  209 } setup_data_t;
  210 
  211 #define AHA_NUM_ISAPORTS 6
  212 
  213 typedef struct {
  214         uint8_t len[3];
  215         uint8_t addr[3];
  216 } aha_sg_t;
  217 
  218 /********************** Mail Box definitions *******************************/
  219 
  220 typedef enum {
  221         AMBO_FREE               = 0x0,  /* MBO intry is free */
  222         AMBO_START              = 0x1,  /* MBO activate entry */
  223         AMBO_ABORT              = 0x2   /* MBO abort entry */
  224 } aha_mbo_action_code_t; 
  225 
  226 typedef struct aha_mbox_out {
  227         uint8_t  action_code;
  228         uint8_t  ccb_addr[3];
  229 } aha_mbox_out_t;
  230 
  231 typedef enum {
  232         AMBI_FREE               = 0x0,  /* MBI entry is free */ 
  233         AMBI_OK                 = 0x1,  /* completed without error */
  234         AMBI_ABORT              = 0x2,  /* aborted ccb */
  235         AMBI_NOT_FOUND          = 0x3,  /* Tried to abort invalid CCB */
  236         AMBI_ERROR              = 0x4   /* Completed with error */
  237 } aha_mbi_comp_code_t; 
  238 
  239 typedef struct aha_mbox_in {      
  240         uint8_t  comp_code;
  241         uint8_t  ccb_addr[3];
  242 } aha_mbox_in_t;
  243 
  244 /****************** Hardware CCB definition *********************************/
  245 typedef enum {
  246         INITIATOR_CCB           = 0x00,
  247         INITIATOR_SG_CCB        = 0x02,
  248         INITIATOR_CCB_WRESID    = 0x03,
  249         INITIATOR_SG_CCB_WRESID = 0x04,
  250         INITIATOR_BUS_DEV_RESET = 0x81
  251 } aha_ccb_opcode_t;
  252 
  253 typedef enum {
  254         AHASTAT_NOERROR                 = 0x00,
  255         AHASTAT_SELTIMEOUT              = 0x11,
  256         AHASTAT_DATARUN_ERROR           = 0x12,
  257         AHASTAT_UNEXPECTED_BUSFREE      = 0x13,
  258         AHASTAT_INVALID_PHASE           = 0x14,
  259         AHASTAT_INVALID_ACTION_CODE     = 0x15,
  260         AHASTAT_INVALID_OPCODE          = 0x16,
  261         AHASTAT_LINKED_CCB_LUN_MISMATCH = 0x17,
  262         AHASTAT_INVALID_CCB_OR_SG_PARAM = 0x1A,
  263         AHASTAT_HA_SCSI_BUS_RESET       = 0x22, /* stolen from bt */
  264         AHASTAT_HA_BDR                  = 0x25  /* Stolen from bt */
  265 } ahastat_t;
  266 
  267 struct aha_hccb {
  268         uint8_t  opcode;                        /* 0 */
  269         uint8_t  lun            : 3,            /* 1 */
  270                   datain        : 1,
  271                   dataout       : 1,
  272                   target        : 3;
  273         uint8_t  cmd_len;                       /* 2 */
  274         uint8_t  sense_len;                     /* 3 */
  275         uint8_t  data_len[3];                   /* 4 */
  276         uint8_t  data_addr[3];                  /* 7 */
  277         uint8_t  link_ptr[3];                   /* 10 */
  278         uint8_t  link_id;                       /* 13 */
  279         uint8_t  ahastat;                       /* 14 */
  280         uint8_t  sdstat;                        /* 15 */
  281         uint8_t  reserved1;                     /* 16 */
  282         uint8_t  reserved2;                     /* 17 */
  283         uint8_t  scsi_cdb[16];                  /* 18 */
  284         uint8_t  sense_data[SSD_FULL_SIZE];
  285 };
  286 
  287 typedef enum {
  288         ACCB_FREE               = 0x0,
  289         ACCB_ACTIVE             = 0x1,
  290         ACCB_DEVICE_RESET       = 0x2,
  291         ACCB_RELEASE_SIMQ       = 0x4
  292 } accb_flags_t;
  293 
  294 struct aha_ccb {
  295         struct  aha_hccb         hccb;          /* hccb assumed to be at 0 */
  296         SLIST_ENTRY(aha_ccb)     links;
  297         uint32_t                 flags;
  298         union ccb               *ccb;
  299         bus_dmamap_t             dmamap;
  300         aha_sg_t                *sg_list;
  301         uint32_t                 sg_list_phys;
  302 };
  303 
  304 struct sg_map_node {
  305         bus_dmamap_t             sg_dmamap;
  306         bus_addr_t               sg_physaddr;
  307         aha_sg_t*                sg_vaddr;
  308         SLIST_ENTRY(sg_map_node) links;
  309 };
  310         
  311 struct aha_softc {
  312         bus_space_tag_t          tag;
  313         bus_space_handle_t       bsh;
  314         struct  cam_sim         *sim;
  315         struct  cam_path        *path;
  316         aha_mbox_out_t          *cur_outbox;
  317         aha_mbox_in_t           *cur_inbox;
  318         aha_mbox_out_t          *last_outbox;
  319         aha_mbox_in_t           *last_inbox;
  320         struct  aha_ccb         *aha_ccb_array;
  321         SLIST_HEAD(,aha_ccb)     free_aha_ccbs;
  322         LIST_HEAD(,ccb_hdr)      pending_ccbs;
  323         u_int                    active_ccbs;
  324         uint32_t                 aha_ccb_physbase;
  325         aha_ccb_opcode_t         ccb_sg_opcode;
  326         aha_ccb_opcode_t         ccb_ccb_opcode;
  327         aha_mbox_in_t           *in_boxes;
  328         aha_mbox_out_t          *out_boxes;
  329         struct scsi_sense_data  *sense_buffers;
  330         uint32_t                 sense_buffers_physbase;
  331         struct  aha_ccb         *recovery_accb;
  332         u_int                    num_boxes;
  333         bus_dma_tag_t            parent_dmat;   /*
  334                                                  * All dmat's derive from
  335                                                  * the dmat defined by our
  336                                                  * bus.
  337                                                  */
  338         bus_dma_tag_t            buffer_dmat;   /* dmat for buffer I/O */
  339         bus_dma_tag_t            mailbox_dmat;  /* dmat for our mailboxes */
  340         bus_dmamap_t             mailbox_dmamap;
  341         bus_dma_tag_t            ccb_dmat;      /* dmat for our ccb array */
  342         bus_dmamap_t             ccb_dmamap;
  343         bus_dma_tag_t            sg_dmat;       /* dmat for our sg maps */
  344         SLIST_HEAD(, sg_map_node) sg_maps;
  345         bus_addr_t               mailbox_physbase;
  346         u_int                    num_ccbs;      /* Number of CCBs malloc'd */
  347         u_int                    max_ccbs;      /* Maximum allocatable CCBs */
  348         u_int                    max_sg;
  349         u_int                    unit;
  350         u_int                    scsi_id;
  351         uint32_t                 extended_trans   :1,
  352                                  diff_bus         :1,
  353                                  extended_lun     :1,
  354                                  strict_rr        :1,
  355                                  tag_capable      :1,
  356                                  resource_shortage:1,
  357                                                   :26;
  358         uint16_t                 disc_permitted;
  359         uint16_t                 sync_permitted;
  360         uint8_t                  init_level;
  361         volatile uint8_t         command_cmp;
  362         volatile uint8_t         latched_status;
  363         uint32_t                 bios_addr;
  364         uint8_t                  fw_major;
  365         uint8_t                  fw_minor;
  366         char                     model[32];
  367         uint8_t                  boardid;
  368         struct resource         *irq;
  369         struct resource         *port;
  370         struct resource         *drq;
  371         int                     irqrid;
  372         int                     portrid;
  373         int                     drqrid;
  374         void                    **ih;
  375         device_t                 dev;
  376 };
  377 
  378 void aha_alloc(struct aha_softc *, int, bus_space_tag_t, bus_space_handle_t);
  379 int aha_attach(struct aha_softc *);
  380 int aha_cmd(struct aha_softc *, aha_op_t, uint8_t *, u_int, uint8_t *, u_int,
  381     u_int);
  382 int aha_detach(struct aha_softc *);
  383 int aha_fetch_adapter_info(struct aha_softc *);
  384 void aha_find_probe_range(int, int *, int *);
  385 void aha_free(struct aha_softc *);
  386 int aha_init(struct aha_softc *); 
  387 void aha_intr(void *);
  388 int aha_probe(struct aha_softc *);
  389 
  390 #define DEFAULT_CMD_TIMEOUT 10000       /* 1 sec */
  391 
  392 #define aha_inb(aha, port)                              \
  393         bus_space_read_1((aha)->tag, (aha)->bsh, port)
  394 
  395 #define aha_outb(aha, port, value)                      \
  396         bus_space_write_1((aha)->tag, (aha)->bsh, port, value)
  397 
  398 #define ADP0100_PNP             0x00019004      /* ADP0100 */
  399 #define AHA1540_PNP             0x40159004      /* ADP1540 */
  400 #define AHA1542_PNP             0x42159004      /* ADP1542 */
  401 #define AHA1542_PNPCOMPAT       0xA000D040      /* PNP00A0 */
  402 #define ICU0091_PNP             0X91005AA4      /* ICU0091 */
  403 
  404 #endif  /* _AHAREG_H_ */

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