1/*      $NetBSD: adwmcode.h,v 1.8.2.2 2005/03/04 16:41:25 skrll 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@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 */
52struct 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
67typedef 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)	htole32((le32toh(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)	\
87	htole32((dmamap)->dm_segs[0].ds_addr + ((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			le32toh((u_long)x) - \
95			(sc)->sc_dmamap_carrier->dm_segs[0].ds_addr))
96
97/******************************************************************************/
98
99struct adw_mcode {
100	const u_int8_t	* const 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
206ADW_CARRIER *AdwInitCarriers(bus_dmamap_t, ADW_CARRIER *);
207
208extern const struct adw_mcode adw_asc3550_mcode_data;
209extern const struct adw_mcode adw_asc38C0800_mcode_data;
210extern const struct adw_mcode adw_asc38C1600_mcode_data;
211
212/******************************************************************************/
213
214#endif	/* ADW_MCODE_H */
215