1 /* $NetBSD: satareg.h,v 1.5 2008/04/28 20:23:47 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _DEV_ATA_SATAREG_H_ 33 #define _DEV_ATA_SATAREG_H_ 34 35 /* 36 * Serial ATA register definitions. 37 * 38 * Reference: 39 * 40 * Serial ATA: High Speed Serialized AT Attachment 41 * Revision 1.0 29-August-2001 42 * Serial ATA Working Group 43 */ 44 45 /* 46 * SStatus (SCR0) -- 47 * Serial ATA interface status register 48 */ 49 /* 50 * The DET value indicates the interface device detection and 51 * PHY state. 52 */ 53 #define SStatus_DET_NODEV (0x0 << 0) /* no device connected */ 54 #define SStatus_DET_DEV_NE (0x1 << 0) /* device, but PHY comm not 55 established */ 56 #define SStatus_DET_DEV (0x3 << 0) /* device, PHY comm 57 established */ 58 #define SStatus_DET_OFFLINE (0x4 << 0) /* PHY in offline mode */ 59 #define SStatus_DET_mask (0xf << 0) 60 #define SStatus_DET_shift 0 61 /* 62 * The SPD value indicates the negotiated interface communication 63 * speed established. 64 */ 65 #define SStatus_SPD_NONE (0x0 << 4) /* no negotiated speed */ 66 #define SStatus_SPD_G1 (0x1 << 4) /* Generation 1 (1.5Gb/s) */ 67 #define SStatus_SPD_G2 (0x2 << 4) /* Generation 2 (3.0Gb/s) */ 68 #define SStatus_SPD_mask (0xf << 4) 69 #define SStatus_SPD_shift 4 70 /* 71 * The IPM value indicates the current interface power managemnt 72 * state. 73 */ 74 #define SStatus_IPM_NODEV (0x0 << 8) /* no device connected */ 75 #define SStatus_IPM_ACTIVE (0x1 << 8) /* ACTIVE state */ 76 #define SStatus_IPM_PARTIAL (0x2 << 8) /* PARTIAL pm state */ 77 #define SStatus_IPM_SLUMBER (0x6 << 8) /* SLUMBER pm state */ 78 #define SStatus_IPM_mask (0xf << 8) 79 #define SStatus_IPM_shift 8 80 81 /* 82 * SError (SCR1) -- 83 * Serial ATA interface error register 84 */ 85 #define SError_ERR_I (1U << 0) /* Recovered data integrity 86 error */ 87 #define SError_ERR_M (1U << 1) /* Recovered communications 88 error */ 89 #define SError_ERR_T (1U << 8) /* Non-recovered transient 90 data integrity error */ 91 #define SError_ERR_C (1U << 9) /* Non-recovered persistent 92 communication or data 93 integrity error */ 94 #define SError_ERR_P (1U << 10) /* Protocol error */ 95 #define SError_ERR_E (1U << 11) /* Internal error */ 96 #define SError_DIAG_N (1U << 16) /* PhyRdy change */ 97 #define SError_DIAG_I (1U << 17) /* PHY internal error */ 98 #define SError_DIAG_W (1U << 18) /* Comm Wake */ 99 #define SError_DIAG_B (1U << 19) /* 10b to 8b decode error */ 100 #define SError_DIAG_D (1U << 20) /* Disparity error */ 101 #define SError_DIAG_C (1U << 21) /* CRC error */ 102 #define SError_DIAG_H (1U << 22) /* Handshake error */ 103 #define SError_DIAG_S (1U << 23) /* Link sequence error */ 104 #define SError_DIAG_T (1U << 24) /* Transport state transition 105 error */ 106 #define SError_DIAG_F (1U << 25) /* Unrecognized FIS type */ 107 #define SError_DIAG_X (1U << 26) /* Device Exchanged */ 108 109 /* 110 * SControl (SCR2) -- 111 * Serial ATA interface control register 112 */ 113 /* 114 * The DET field controls the host adapter device detection 115 * and interface initialization. 116 */ 117 #define SControl_DET_NONE (0x0 << 0) /* No device detection or 118 initialization action 119 requested */ 120 #define SControl_DET_INIT (0x1 << 0) /* Initialize interface 121 communication (equiv 122 of a hard reset) */ 123 #define SControl_DET_DISABLE (0x4 << 0) /* disable interface and 124 take PHY offline */ 125 /* 126 * The SPD field represents the highest allowed communication 127 * speed the interface is allowed to negotiate when communication 128 * is established. 129 */ 130 #define SControl_SPD_ANY (0x0 << 4) /* No restrictions */ 131 #define SControl_SPD_G1 (0x1 << 4) /* Generation 1 (1.5Gb/s) */ 132 #define SControl_SPD_G2 (0x2 << 4) /* Generation 2 (3.0Gb/s) */ 133 /* 134 * The IPM field represents the enabled interface power management 135 * states that can be invoked via the Serial ATA interface power 136 * management capabilities. 137 */ 138 #define SControl_IPM_ANY (0x0 << 8) /* No restrictions */ 139 #define SControl_IPM_NOPARTIAL (0x1 << 8) /* PARTIAL disabled */ 140 #define SControl_IPM_NOSLUMBER (0x2 << 8) /* SLUMBER disabled */ 141 #define SControl_IPM_NONE (0x3 << 8) /* No power management */ 142 /* 143 * The SPM field selects a power management state. A non-zero 144 * value written to this field causes initiation of the selected 145 * power management state. 146 */ 147 #define SControl_SPM_PARTIAL (0x1 << 12) /* transition to PARTIAL */ 148 #define SControl_SPM_SLUMBER (0x2 << 12) /* transition to SLUBMER */ 149 #define SControl_SPM_ComWake (0x4 << 12) /* transition from PM */ 150 /* 151 * The PMP field identifies the selected Port Multiplier Port 152 * for accessing the SActive register. 153 */ 154 #define SControl_PMP(x) ((x) << 16) 155 156 #endif /* _DEV_ATA_SATAREG_H_ */ 157