FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/adwmcode.h

     /*      $NetBSD: adwmcode.h,v 1.11 2005/12/11 12:21:25 christos Exp $        */
     
     /*
      * Generic driver definitions and exported functions for the Advanced
      * Systems Inc. SCSI controllers
      *
      * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
     * Author: Baldassare Dante Profeta <dante@mclink.it>
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the NetBSD
     *      Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef ADW_MCODE_H
    #define ADW_MCODE_H
    
    /******************************************************************************/
    
    #define ADW_MAX_CARRIER 253     /* Max. number of host commands (253) */
    
    /*
     * ADW_CARRIER must be exactly 16 BYTES
     * Every adw_carrier structure _MUST_ always be aligned on a 16 bytes boundary
     */
    struct adw_carrier {
    /* ---------- the microcode wants the field below ---------- */
            u_int32_t       carr_id;  /* Carrier ID */
            u_int32_t       carr_ba;  /* Carrier Bus Address */
            u_int32_t       areq_ba;  /* ADW_SCSI_REQ_Q Bus Address */
            /*
             * next_ba [31:4]       Carrier Physical Next Pointer
             *
             * next_ba [3:1]        Reserved Bits
             * next_ba [0]          Done Flag set in Response Queue.
             */
            u_int32_t       next_ba;  /* see next_ba flags below */
    /* ----------                                     ---------- */
    };
    
    typedef struct adw_carrier ADW_CARRIER;
    
    /*
     * next_ba flags
     */
    #define ASC_RQ_DONE             0x00000001
    #define ASC_RQ_GOOD             0x00000002
    #define ASC_CQ_STOPPER          0x00000000
    
    /*
     * Mask used to eliminate low 4 bits of carrier 'next_ba' field.
     */
    #define ASC_NEXT_BA_MASK        0xFFFFFFF0
    #define ASC_GET_CARRP(carrp)    htole32((le32toh(carrp)) & ASC_NEXT_BA_MASK)
    
    /*
     * Bus Address of a Carrier.
     * ba = base_ba + v_address - base_va
     */
    #define ADW_CARRIER_BADDR(dmamap, carriers, x)  \
            htole32((dmamap)->dm_segs[0].ds_addr + ((u_long)x - (u_long)(carriers)))
    /*
     * Virtual Address of a Carrier.
     * va = base_va + bus_address - base_ba
     */
    #define ADW_CARRIER_VADDR(sc, x)        ((ADW_CARRIER *) \
                            (((u_int8_t *)(sc)->sc_control->carriers) + \
                            le32toh((u_long)x) - \
                            (sc)->sc_dmamap_carrier->dm_segs[0].ds_addr))
    
    /******************************************************************************/
    
    struct adw_mcode {
           const u_int8_t  * const mcode_data;
           const u_int32_t  mcode_chksum;
           const u_int16_t  mcode_size;
   };
   
   
   /******************************************************************************/
   
   /*
    * Fixed locations of microcode operating variables.
    */
   #define ADW_MC_CODE_BEGIN_ADDR          0x0028 /* microcode start address */
   #define ADW_MC_CODE_END_ADDR            0x002A /* microcode end address */
   #define ADW_MC_CODE_CHK_SUM             0x002C /* microcode code checksum */
   #define ADW_MC_VERSION_DATE             0x0038 /* microcode version */
   #define ADW_MC_VERSION_NUM              0x003A /* microcode number */
   #define ADW_MC_BIOSMEM                  0x0040 /* BIOS RISC Memory Start */
   #define ADW_MC_BIOSLEN                  0x0050 /* BIOS RISC Memory Length */
   #define ADW_MC_BIOS_SIGNATURE           0x0058 /* BIOS Signature 0x55AA */
   #define ADW_MC_BIOS_VERSION             0x005A /* BIOS Version (2 bytes) */
   
   #define ADW_MC_SDTR_SPEED1              0x0090 /* SDTR Speed for TID 0-3 */
   #define ADW_MC_SDTR_SPEED2              0x0092 /* SDTR Speed for TID 4-7 */
   #define ADW_MC_SDTR_SPEED3              0x0094 /* SDTR Speed for TID 8-11 */
   #define ADW_MC_SDTR_SPEED4              0x0096 /* SDTR Speed for TID 12-15 */
                                           /*
                                            * 4-bit speed  SDTR speed name
                                            * ===========  ===============
                                            * 0000b (0x0)  SDTR disabled
                                            * 0001b (0x1)  5 MHz
                                            * 0010b (0x2)  10 MHz
                                            * 0011b (0x3)  20 MHz (Ultra)
                                            * 0100b (0x4)  40 MHz (LVD/Ultra2)
                                            * 0101b (0x5)  80 MHz (LVD2/Ultra3)
                                            * 0110b (0x6)  Undefined
                                            * ...
                                            * 1111b (0xF)  Undefined
                                            */
   #define ADW_MC_CHIP_TYPE                0x009A
   #define ADW_MC_INTRB_CODE               0x009B
   #define ADW_MC_WDTR_ABLE                0x009C
   #define ADW_MC_SDTR_ABLE                0x009E
   #define ADW_MC_TAGQNG_ABLE              0x00A0
   #define ADW_MC_DISC_ENABLE              0x00A2
   #define ADW_MC_IDLE_CMD_STATUS          0x00A4
   #define ADW_MC_IDLE_CMD                 0x00A6
   #define ADW_MC_IDLE_CMD_PARAMETER       0x00A8
   #define ADW_MC_DEFAULT_SCSI_CFG0        0x00AC
   #define ADW_MC_DEFAULT_SCSI_CFG1        0x00AE
   #define ADW_MC_DEFAULT_MEM_CFG          0x00B0
   #define ADW_MC_DEFAULT_SEL_MASK         0x00B2
   #define ADW_MC_SDTR_DONE                0x00B6
   #define ADW_MC_NUMBER_OF_QUEUED_CMD     0x00C0
   #define ADW_MC_NUMBER_OF_MAX_CMD        0x00D0
   #define ADW_MC_DEVICE_HSHK_CFG_TABLE    0x0100
   #define ADW_MC_CONTROL_FLAG             0x0122 /* Microcode control flag. */
   #define ADW_MC_WDTR_DONE                0x0124
   #define ADW_MC_CAM_MODE_MASK            0x015E /* CAM mode TID bitmask. */
   #define ADW_MC_ICQ                      0x0160
   #define ADW_MC_IRQ                      0x0164
   #define ADW_MC_PPR_ABLE                 0x017A
   
   
   /*
    * Microcode Control Flags
    *
    * Flags set by the Adw Library in RISC variable 'control_flag' (0x122)
    * and handled by the microcode.
    */
   #define CONTROL_FLAG_IGNORE_PERR        0x0001 /* Ignore DMA Parity Errors */
   #define CONTROL_FLAG_ENABLE_AIPP        0x0002 /* Enabled AIPP checking. */
   
   
   /*
    * ADW_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format
    */
   #define HSHK_CFG_WIDE_XFR       0x8000
   #define HSHK_CFG_RATE           0x0F00
   #define HSHK_CFG_OFFSET         0x001F
   
   #define ADW_DEF_MAX_HOST_QNG    0xFD /* Max. number of host commands (253) */
   #define ADW_DEF_MIN_HOST_QNG    0x10 /* Min. number of host commands (16) */
   #define ADW_DEF_MAX_DVC_QNG     0x3F /* Max. number commands per device (63) */
   #define ADW_DEF_MIN_DVC_QNG     0x04 /* Min. number commands per device (4) */
   
   #define ADW_QC_DATA_CHECK       0x01 /* Require ADW_QC_DATA_OUT set or clear. */
   #define ADW_QC_DATA_OUT         0x02 /* Data out DMA transfer. */
   #define ADW_QC_START_MOTOR      0x04 /* Send auto-start motor before request. */
   #define ADW_QC_NO_OVERRUN       0x08 /* Don't report overrun. */
   #define ADW_QC_FREEZE_TIDQ      0x10 /* Freeze TID queue after request.XXX TBD*/
   
   #define ADW_QSC_NO_DISC         0x01 /* Don't allow disconnect for request. */
   #define ADW_QSC_NO_TAGMSG       0x02 /* Don't allow tag queuing for request. */
   #define ADW_QSC_NO_SYNC         0x04 /* Don't use Synch. transfer on request. */
   #define ADW_QSC_NO_WIDE         0x08 /* Don't use Wide transfer on request. */
   #define ADW_QSC_REDO_DTR        0x10 /* Renegotiate WDTR/SDTR before request. */
   /*
    * Note: If a Tag Message is to be sent and neither ADW_QSC_HEAD_TAG or
    * ADW_QSC_ORDERED_TAG is set, then a Simple Tag Message (0x20) is used.
    */
   #define ADW_QSC_HEAD_TAG        0x40 /* Use Head Tag Message (0x21). */
   #define ADW_QSC_ORDERED_TAG     0x80 /* Use Ordered Tag Message (0x22). */
   
   
   /******************************************************************************/
   
   ADW_CARRIER *AdwInitCarriers(bus_dmamap_t, ADW_CARRIER *);
   
   extern const struct adw_mcode adw_asc3550_mcode_data;
   extern const struct adw_mcode adw_asc38C0800_mcode_data;
   extern const struct adw_mcode adw_asc38C1600_mcode_data;
   
   /******************************************************************************/
   
   #endif  /* ADW_MCODE_H */

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