satareg.h revision 1.1 1 /* $NetBSD: satareg.h,v 1.1 2003/12/14 17:14:47 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 2003 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of Wasabi Systems, Inc.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 #ifndef _DEV_ATA_SATAREG_H_
40 #define _DEV_ATA_SATAREG_H_
41
42 /*
43 * Serial ATA register definitions.
44 *
45 * Reference:
46 *
47 * Serial ATA: High Speed Serialized AT Attachment
48 * Revsion 1.0 29-August-2001
49 * Serial ATA Working Group
50 */
51
52 /*
53 * SStatus (SCR0) --
54 * Serial ATA interface status register
55 */
56 /*
57 * The DET value indicates the interface device detection and
58 * PHY state.
59 */
60 #define SStatus_DET_NODEV (0x0 << 0) /* no device connected */
61 #define SStatus_DET_DEV_NE (0x1 << 0) /* device, but PHY comm not
62 established */
63 #define SStatus_DET_DEV (0x3 << 0) /* device, PHY comm
64 established */
65 #define SStatus_DET_OFFLINE (0x4 << 0) /* PHY in offline mode */
66 #define SStatus_DET_mask (0xf << 0)
67 #define SStatus_DET_shift 0
68 /*
69 * The SPD value indicates the negotiated interface communication
70 * speed established.
71 */
72 #define SStatus_SPD_NONE (0x0 << 4) /* no negotiated speed */
73 #define SStatus_SPD_G1 (0x1 << 4) /* Generation 1 (1.5Gb/s) */
74 #define SStatus_SPD_mask (0xf << 4)
75 #define SStatus_SPD_shift 4
76 /*
77 * The IPM value indicates the current interface power managemnt
78 * state.
79 */
80 #define SStatus_IPM_NODEV (0x0 << 8) /* no device connected */
81 #define SStatus_IPM_ACTIVE (0x1 << 8) /* ACTIVE state */
82 #define SStatus_IPM_PARTIAL (0x2 << 8) /* PARTIAL pm state */
83 #define SStatus_IPM_SLUMBER (0x6 << 8) /* SLUMBER pm state */
84 #define SStatus_IPM_mask (0xf << 8)
85 #define SStatus_IPM_shift 8
86
87 /*
88 * SError (SCR1) --
89 * Serial ATA interface error register
90 */
91 #define SError_ERR_I (1U << 0) /* Recovered data integrity
92 error */
93 #define SError_ERR_M (1U << 1) /* Recovered communications
94 error */
95 #define SError_ERR_T (1U << 8) /* Non-recovered transient
96 data integrity error */
97 #define SError_ERR_C (1U << 9) /* Non-recovered persistent
98 communication or data
99 integrity error */
100 #define SError_ERR_P (1U << 10) /* Protocol error */
101 #define SError_ERR_E (1U << 11) /* Internal error */
102 #define SError_DIAG_N (1U << 16) /* PhyRdy change */
103 #define SError_DIAG_I (1U << 17) /* PHY internal error */
104 #define SError_DIAG_W (1U << 18) /* Comm Wake */
105 #define SError_DIAG_B (1U << 19) /* 10b to 8b decode error */
106 #define SError_DIAG_D (1U << 20) /* Disparity error */
107 #define SError_DIAG_C (1U << 21) /* CRC error */
108 #define SError_DIAG_H (1U << 22) /* Handshake error */
109 #define SError_DIAG_S (1U << 23) /* Link sequence error */
110 #define SError_DIAG_T (1U << 24) /* Transport state transition
111 error */
112 #define SError_DIAG_F (1U << 25) /* Unrecognized FIS type */
113
114 /*
115 * SControl (SCR2) --
116 * Serial ATA interface control register
117 */
118 /*
119 * The DET field controls the host adapter device detection
120 * and interface initialization.
121 */
122 #define SControl_DET_NONE (0x0 << 0) /* No device detection or
123 initialization action
124 requested */
125 #define SControl_DET_INIT (0x1 << 0) /* Initialize interface
126 communication (equiv
127 of a hard reset) */
128 #define SControl_DET_DISABLE (0x4 << 0) /* disable interface and
129 take PHY offline */
130 /*
131 * The SPD field represents the highest allowed communication
132 * speed the interface is allowed to negotiate when communication
133 * is established.
134 */
135 #define SControl_SPD_ANY (0x0 << 4) /* No restrictions */
136 #define SControl_SPD_G1 (0x1 << 4) /* Generation 1 (1.5Gb/s) */
137 /*
138 * The IPM field represents the enabled interface power management
139 * states that can be invoked via the Serial ATA interface power
140 * management capabilities.
141 */
142 #define SControl_IPM_ANY (0x0 << 8) /* No restrictions */
143 #define SControl_IPM_NOPARTIAL (0x1 << 8) /* PARTIAL disabled */
144 #define SControl_IPM_NOSLUMBER (0x2 << 8) /* SLUMBER disabled */
145 #define SControl_IPM_NONE (0x3 << 8) /* No power management */
146
147 #endif /* _DEV_ATA_SATAREG_H_ */
148