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adwmcode.h revision 1.5
      1 /*      $NetBSD: adwmcode.h,v 1.5 2000/05/27 18:24:51 dante Exp $        */
      2 
      3 /*
      4  * Generic driver definitions and exported functions for the Advanced
      5  * Systems Inc. SCSI controllers
      6  *
      7  * Copyright (c) 1998, 1999, 2000 The NetBSD Foundation, Inc.
      8  * All rights reserved.
      9  *
     10  * Author: Baldassare Dante Profeta <dante (at) mclink.it>
     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  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *      This product includes software developed by the NetBSD
     23  *      Foundation, Inc. and its contributors.
     24  * 4. Neither the name of The NetBSD Foundation nor the names of its
     25  *    contributors may be used to endorse or promote products derived
     26  *    from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     29  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     30  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     31  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     32  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     33  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     34  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     35  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     36  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     37  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     38  * POSSIBILITY OF SUCH DAMAGE.
     39  */
     40 
     41 #ifndef ADW_MCODE_H
     42 #define ADW_MCODE_H
     43 
     44 /******************************************************************************/
     45 
     46 #define ADW_MAX_CARRIER	253	/* Max. number of host commands (253) */
     47 
     48 /*
     49  * ADW_CARRIER must be exactly 16 BYTES
     50  * Every adw_carrier structure _MUST_ always be aligned on a 16 bytes boundary
     51  */
     52 struct adw_carrier {
     53 /* ---------- the microcode wants the field below ---------- */
     54 	u_int32_t	carr_id;  /* Carrier ID */
     55 	u_int32_t	carr_ba;  /* Carrier Bus Address */
     56 	u_int32_t	areq_ba;  /* ADW_SCSI_REQ_Q Bus Address */
     57 	/*
     58 	 * next_ba [31:4]	Carrier Physical Next Pointer
     59 	 *
     60 	 * next_ba [3:1]	Reserved Bits
     61 	 * next_ba [0]		Done Flag set in Response Queue.
     62 	 */
     63 	u_int32_t	next_ba;  /* see next_ba flags below */
     64 /* ----------                                     ---------- */
     65 };
     66 
     67 typedef struct adw_carrier ADW_CARRIER;
     68 
     69 /*
     70  * next_ba flags
     71  */
     72 #define ASC_RQ_DONE		0x00000001
     73 #define ASC_RQ_GOOD		0x00000002
     74 #define ASC_CQ_STOPPER		0x00000000
     75 
     76 /*
     77  * Mask used to eliminate low 4 bits of carrier 'next_ba' field.
     78  */
     79 #define ASC_NEXT_BA_MASK	0xFFFFFFF0
     80 #define ASC_GET_CARRP(carrp)	((carrp) & ASC_NEXT_BA_MASK)
     81 
     82 /*
     83  * Bus Address of a Carrier.
     84  * ba = base_ba + v_address - base_va
     85  */
     86 #define	ADW_CARRIER_BADDR(dmamap, carriers, x)	((dmamap)->dm_segs[0].ds_addr +\
     87 			(((u_long)x) - ((u_long)(carriers))))
     88 /*
     89  * Virtual Address of a Carrier.
     90  * va = base_va + bus_address - base_ba
     91  */
     92 #define	ADW_CARRIER_VADDR(sc, x)	((ADW_CARRIER *) \
     93 			(((u_int8_t *)(sc)->sc_control->carriers) + \
     94 			((u_long)x) - \
     95 			(sc)->sc_dmamap_carrier->dm_segs[0].ds_addr))
     96 
     97 /******************************************************************************/
     98 
     99 struct adw_mcode {
    100 	const u_int8_t	*mcode_data;
    101 	const u_int32_t	 mcode_chksum;
    102 	const u_int16_t	 mcode_size;
    103 };
    104 
    105 
    106 /******************************************************************************/
    107 
    108 /*
    109  * Fixed locations of microcode operating variables.
    110  */
    111 #define ADW_MC_CODE_BEGIN_ADDR		0x0028 /* microcode start address */
    112 #define ADW_MC_CODE_END_ADDR		0x002A /* microcode end address */
    113 #define ADW_MC_CODE_CHK_SUM		0x002C /* microcode code checksum */
    114 #define ADW_MC_VERSION_DATE		0x0038 /* microcode version */
    115 #define ADW_MC_VERSION_NUM		0x003A /* microcode number */
    116 #define ADW_MC_BIOSMEM			0x0040 /* BIOS RISC Memory Start */
    117 #define ADW_MC_BIOSLEN			0x0050 /* BIOS RISC Memory Length */
    118 #define ADW_MC_BIOS_SIGNATURE		0x0058 /* BIOS Signature 0x55AA */
    119 #define ADW_MC_BIOS_VERSION		0x005A /* BIOS Version (2 bytes) */
    120 
    121 #define ADW_MC_SDTR_SPEED1		0x0090 /* SDTR Speed for TID 0-3 */
    122 #define ADW_MC_SDTR_SPEED2		0x0092 /* SDTR Speed for TID 4-7 */
    123 #define ADW_MC_SDTR_SPEED3		0x0094 /* SDTR Speed for TID 8-11 */
    124 #define ADW_MC_SDTR_SPEED4		0x0096 /* SDTR Speed for TID 12-15 */
    125 					/*
    126 					 * 4-bit speed  SDTR speed name
    127 					 * ===========  ===============
    128 					 * 0000b (0x0)  SDTR disabled
    129 					 * 0001b (0x1)  5 Mhz
    130 					 * 0010b (0x2)  10 Mhz
    131 					 * 0011b (0x3)  20 Mhz (Ultra)
    132 					 * 0100b (0x4)  40 Mhz (LVD/Ultra2)
    133 					 * 0101b (0x5)  80 Mhz (LVD2/Ultra3)
    134 					 * 0110b (0x6)  Undefined
    135 					 * ...
    136 					 * 1111b (0xF)  Undefined
    137 					 */
    138 #define ADW_MC_CHIP_TYPE		0x009A
    139 #define ADW_MC_INTRB_CODE		0x009B
    140 #define ADW_MC_WDTR_ABLE		0x009C
    141 #define ADW_MC_SDTR_ABLE		0x009E
    142 #define ADW_MC_TAGQNG_ABLE		0x00A0
    143 #define ADW_MC_DISC_ENABLE		0x00A2
    144 #define ADW_MC_IDLE_CMD_STATUS		0x00A4
    145 #define ADW_MC_IDLE_CMD			0x00A6
    146 #define ADW_MC_IDLE_CMD_PARAMETER	0x00A8
    147 #define ADW_MC_DEFAULT_SCSI_CFG0	0x00AC
    148 #define ADW_MC_DEFAULT_SCSI_CFG1	0x00AE
    149 #define ADW_MC_DEFAULT_MEM_CFG		0x00B0
    150 #define ADW_MC_DEFAULT_SEL_MASK		0x00B2
    151 #define ADW_MC_SDTR_DONE 		0x00B6
    152 #define ADW_MC_NUMBER_OF_QUEUED_CMD	0x00C0
    153 #define ADW_MC_NUMBER_OF_MAX_CMD	0x00D0
    154 #define ADW_MC_DEVICE_HSHK_CFG_TABLE	0x0100
    155 #define ADW_MC_CONTROL_FLAG 		0x0122 /* Microcode control flag. */
    156 #define ADW_MC_WDTR_DONE 		0x0124
    157 #define ADW_MC_CAM_MODE_MASK		0x015E /* CAM mode TID bitmask. */
    158 #define ADW_MC_ICQ			0x0160
    159 #define ADW_MC_IRQ			0x0164
    160 #define ADW_MC_PPR_ABLE			0x017A
    161 
    162 
    163 /*
    164  * Microcode Control Flags
    165  *
    166  * Flags set by the Adw Library in RISC variable 'control_flag' (0x122)
    167  * and handled by the microcode.
    168  */
    169 #define CONTROL_FLAG_IGNORE_PERR	0x0001 /* Ignore DMA Parity Errors */
    170 #define CONTROL_FLAG_ENABLE_AIPP	0x0002 /* Enabled AIPP checking. */
    171 
    172 
    173 /*
    174  * ADW_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format
    175  */
    176 #define HSHK_CFG_WIDE_XFR	0x8000
    177 #define HSHK_CFG_RATE		0x0F00
    178 #define HSHK_CFG_OFFSET		0x001F
    179 
    180 #define ADW_DEF_MAX_HOST_QNG	0xFD /* Max. number of host commands (253) */
    181 #define ADW_DEF_MIN_HOST_QNG	0x10 /* Min. number of host commands (16) */
    182 #define ADW_DEF_MAX_DVC_QNG	0x3F /* Max. number commands per device (63) */
    183 #define ADW_DEF_MIN_DVC_QNG	0x04 /* Min. number commands per device (4) */
    184 
    185 #define ADW_QC_DATA_CHECK	0x01 /* Require ADW_QC_DATA_OUT set or clear. */
    186 #define ADW_QC_DATA_OUT		0x02 /* Data out DMA transfer. */
    187 #define ADW_QC_START_MOTOR	0x04 /* Send auto-start motor before request. */
    188 #define ADW_QC_NO_OVERRUN	0x08 /* Don't report overrun. */
    189 #define ADW_QC_FREEZE_TIDQ	0x10 /* Freeze TID queue after request.XXX TBD*/
    190 
    191 #define ADW_QSC_NO_DISC		0x01 /* Don't allow disconnect for request. */
    192 #define ADW_QSC_NO_TAGMSG	0x02 /* Don't allow tag queuing for request. */
    193 #define ADW_QSC_NO_SYNC		0x04 /* Don't use Synch. transfer on request. */
    194 #define ADW_QSC_NO_WIDE		0x08 /* Don't use Wide transfer on request. */
    195 #define ADW_QSC_REDO_DTR	0x10 /* Renegotiate WDTR/SDTR before request. */
    196 /*
    197  * Note: If a Tag Message is to be sent and neither ADW_QSC_HEAD_TAG or
    198  * ADW_QSC_ORDERED_TAG is set, then a Simple Tag Message (0x20) is used.
    199  */
    200 #define ADW_QSC_HEAD_TAG	0x40 /* Use Head Tag Message (0x21). */
    201 #define ADW_QSC_ORDERED_TAG	0x80 /* Use Ordered Tag Message (0x22). */
    202 
    203 
    204 /******************************************************************************/
    205 
    206 ADW_CARRIER *AdwInitCarriers __P((bus_dmamap_t, ADW_CARRIER *));
    207 
    208 extern const struct adw_mcode adw_asc3550_mcode_data;
    209 extern const struct adw_mcode adw_asc38C0800_mcode_data;
    210 extern const struct adw_mcode adw_asc38C1600_mcode_data;
    211 
    212 /******************************************************************************/
    213 
    214 #endif	/* ADW_MCODE_H */
    215