1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1998 - 2008 S��ren Schmidt <sos@FreeBSD.org>
5 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer,
13 *    without modification, immediately at the beginning of the file.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30#ifndef _AHCI_H_
31#define	_AHCI_H_
32
33/* ATA register defines */
34#define	ATA_DATA		0	/* (RW) data */
35
36#define	ATA_FEATURE		1	/* (W) feature */
37#define	ATA_F_DMA		0x01	/* enable DMA */
38#define	ATA_F_OVL		0x02	/* enable overlap */
39
40#define	ATA_COUNT		2	/* (W) sector count */
41
42#define	ATA_SECTOR		3	/* (RW) sector # */
43#define	ATA_CYL_LSB		4	/* (RW) cylinder# LSB */
44#define	ATA_CYL_MSB		5	/* (RW) cylinder# MSB */
45#define	ATA_DRIVE		6	/* (W) Sector/Drive/Head */
46#define	ATA_D_LBA		0x40	/* use LBA addressing */
47#define	ATA_D_IBM		0xa0	/* 512 byte sectors, ECC */
48
49#define	ATA_COMMAND		7	/* (W) command */
50
51#define	ATA_ERROR		8	/* (R) error */
52#define	ATA_E_ILI		0x01	/* illegal length */
53#define	ATA_E_NM		0x02	/* no media */
54#define	ATA_E_ABORT		0x04	/* command aborted */
55#define	ATA_E_MCR		0x08	/* media change request */
56#define	ATA_E_IDNF		0x10	/* ID not found */
57#define	ATA_E_MC		0x20	/* media changed */
58#define	ATA_E_UNC		0x40	/* uncorrectable data */
59#define	ATA_E_ICRC		0x80	/* UDMA crc error */
60#define	ATA_E_ATAPI_SENSE_MASK	0xf0	/* ATAPI sense key mask */
61
62#define	ATA_IREASON		9	/* (R) interrupt reason */
63#define	ATA_I_CMD		0x01	/* cmd (1) | data (0) */
64#define	ATA_I_IN		0x02	/* read (1) | write (0) */
65#define	ATA_I_RELEASE		0x04	/* released bus (1) */
66#define	ATA_I_TAGMASK		0xf8	/* tag mask */
67
68#define	ATA_STATUS		10	/* (R) status */
69#define	ATA_ALTSTAT		11	/* (R) alternate status */
70#define	ATA_S_ERROR		0x01	/* error */
71#define	ATA_S_INDEX		0x02	/* index */
72#define	ATA_S_CORR		0x04	/* data corrected */
73#define	ATA_S_DRQ		0x08	/* data request */
74#define	ATA_S_DSC		0x10	/* drive seek completed */
75#define	ATA_S_SERVICE		0x10	/* drive needs service */
76#define	ATA_S_DWF		0x20	/* drive write fault */
77#define	ATA_S_DMA		0x20	/* DMA ready */
78#define	ATA_S_READY		0x40	/* drive ready */
79#define	ATA_S_BUSY		0x80	/* busy */
80
81#define	ATA_CONTROL		12	/* (W) control */
82#define	ATA_A_IDS		0x02	/* disable interrupts */
83#define	ATA_A_RESET		0x04	/* RESET controller */
84#define	ATA_A_4BIT		0x08	/* 4 head bits */
85#define	ATA_A_HOB		0x80	/* High Order Byte enable */
86
87/* SATA register defines */
88#define	ATA_SSTATUS		13
89#define	ATA_SS_DET_MASK		0x0000000f
90#define	ATA_SS_DET_NO_DEVICE	0x00000000
91#define	ATA_SS_DET_DEV_PRESENT	0x00000001
92#define	ATA_SS_DET_PHY_ONLINE	0x00000003
93#define	ATA_SS_DET_PHY_OFFLINE	0x00000004
94
95#define	ATA_SS_SPD_MASK		0x000000f0
96#define	ATA_SS_SPD_NO_SPEED	0x00000000
97#define	ATA_SS_SPD_GEN1		0x00000010
98#define	ATA_SS_SPD_GEN2		0x00000020
99#define	ATA_SS_SPD_GEN3		0x00000030
100
101#define	ATA_SS_IPM_MASK		0x00000f00
102#define	ATA_SS_IPM_NO_DEVICE	0x00000000
103#define	ATA_SS_IPM_ACTIVE	0x00000100
104#define	ATA_SS_IPM_PARTIAL	0x00000200
105#define	ATA_SS_IPM_SLUMBER	0x00000600
106#define	ATA_SS_IPM_DEVSLEEP	0x00000800
107
108#define	ATA_SERROR		14
109#define	ATA_SE_DATA_CORRECTED	0x00000001
110#define	ATA_SE_COMM_CORRECTED	0x00000002
111#define	ATA_SE_DATA_ERR		0x00000100
112#define	ATA_SE_COMM_ERR		0x00000200
113#define	ATA_SE_PROT_ERR		0x00000400
114#define	ATA_SE_HOST_ERR		0x00000800
115#define	ATA_SE_PHY_CHANGED	0x00010000
116#define	ATA_SE_PHY_IERROR	0x00020000
117#define	ATA_SE_COMM_WAKE	0x00040000
118#define	ATA_SE_DECODE_ERR	0x00080000
119#define	ATA_SE_PARITY_ERR	0x00100000
120#define	ATA_SE_CRC_ERR		0x00200000
121#define	ATA_SE_HANDSHAKE_ERR	0x00400000
122#define	ATA_SE_LINKSEQ_ERR	0x00800000
123#define	ATA_SE_TRANSPORT_ERR	0x01000000
124#define	ATA_SE_UNKNOWN_FIS	0x02000000
125#define	ATA_SE_EXCHANGED	0x04000000
126
127#define	ATA_SCONTROL		15
128#define	ATA_SC_DET_MASK		0x0000000f
129#define	ATA_SC_DET_IDLE		0x00000000
130#define	ATA_SC_DET_RESET	0x00000001
131#define	ATA_SC_DET_DISABLE	0x00000004
132
133#define	ATA_SC_SPD_MASK		0x000000f0
134#define	ATA_SC_SPD_NO_SPEED	0x00000000
135#define	ATA_SC_SPD_SPEED_GEN1	0x00000010
136#define	ATA_SC_SPD_SPEED_GEN2	0x00000020
137#define	ATA_SC_SPD_SPEED_GEN3	0x00000030
138
139#define	ATA_SC_IPM_MASK		0x00000f00
140#define	ATA_SC_IPM_NONE		0x00000000
141#define	ATA_SC_IPM_DIS_PARTIAL	0x00000100
142#define	ATA_SC_IPM_DIS_SLUMBER	0x00000200
143#define	ATA_SC_IPM_DIS_DEVSLEEP	0x00000400
144
145#define	ATA_SACTIVE		16
146
147#define	AHCI_MAX_PORTS		32
148#define	AHCI_MAX_SLOTS		32
149#define	AHCI_MAX_IRQS		16
150
151/* SATA AHCI v1.0 register defines */
152#define	AHCI_CAP		0x00
153#define	AHCI_CAP_NPMASK		0x0000001f
154#define	AHCI_CAP_SXS		0x00000020
155#define	AHCI_CAP_EMS		0x00000040
156#define	AHCI_CAP_CCCS		0x00000080
157#define	AHCI_CAP_NCS		0x00001F00
158#define	AHCI_CAP_NCS_SHIFT	8
159#define	AHCI_CAP_PSC		0x00002000
160#define	AHCI_CAP_SSC		0x00004000
161#define	AHCI_CAP_PMD		0x00008000
162#define	AHCI_CAP_FBSS		0x00010000
163#define	AHCI_CAP_SPM		0x00020000
164#define	AHCI_CAP_SAM		0x00080000
165#define	AHCI_CAP_ISS		0x00F00000
166#define	AHCI_CAP_ISS_SHIFT	20
167#define	AHCI_CAP_SCLO		0x01000000
168#define	AHCI_CAP_SAL		0x02000000
169#define	AHCI_CAP_SALP		0x04000000
170#define	AHCI_CAP_SSS		0x08000000
171#define	AHCI_CAP_SMPS		0x10000000
172#define	AHCI_CAP_SSNTF		0x20000000
173#define	AHCI_CAP_SNCQ		0x40000000
174#define	AHCI_CAP_64BIT		0x80000000
175
176#define	AHCI_GHC		0x04
177#define	AHCI_GHC_AE		0x80000000
178#define	AHCI_GHC_MRSM		0x00000004
179#define	AHCI_GHC_IE		0x00000002
180#define	AHCI_GHC_HR		0x00000001
181
182#define	AHCI_IS			0x08
183#define	AHCI_PI			0x0c
184#define	AHCI_VS			0x10
185
186#define	AHCI_CCCC		0x14
187#define	AHCI_CCCC_TV_MASK	0xffff0000
188#define	AHCI_CCCC_TV_SHIFT	16
189#define	AHCI_CCCC_CC_MASK	0x0000ff00
190#define	AHCI_CCCC_CC_SHIFT	8
191#define	AHCI_CCCC_INT_MASK	0x000000f8
192#define	AHCI_CCCC_INT_SHIFT	3
193#define	AHCI_CCCC_EN		0x00000001
194#define	AHCI_CCCP		0x18
195
196#define	AHCI_EM_LOC		0x1C
197#define	AHCI_EM_CTL		0x20
198#define	AHCI_EM_MR		0x00000001
199#define	AHCI_EM_TM		0x00000100
200#define	AHCI_EM_RST		0x00000200
201#define	AHCI_EM_LED		0x00010000
202#define	AHCI_EM_SAFTE		0x00020000
203#define	AHCI_EM_SES2		0x00040000
204#define	AHCI_EM_SGPIO		0x00080000
205#define	AHCI_EM_SMB		0x01000000
206#define	AHCI_EM_XMT		0x02000000
207#define	AHCI_EM_ALHD		0x04000000
208#define	AHCI_EM_PM		0x08000000
209
210#define	AHCI_CAP2		0x24
211#define	AHCI_CAP2_BOH		0x00000001
212#define	AHCI_CAP2_NVMP		0x00000002
213#define	AHCI_CAP2_APST		0x00000004
214#define	AHCI_CAP2_SDS		0x00000008
215#define	AHCI_CAP2_SADM		0x00000010
216#define	AHCI_CAP2_DESO		0x00000020
217
218#define	AHCI_OFFSET		0x100
219#define	AHCI_STEP		0x80
220
221#define	AHCI_P_CLB		0x00
222#define	AHCI_P_CLBU		0x04
223#define	AHCI_P_FB		0x08
224#define	AHCI_P_FBU		0x0c
225#define	AHCI_P_IS		0x10
226#define	AHCI_P_IE		0x14
227#define	AHCI_P_IX_DHR		0x00000001
228#define	AHCI_P_IX_PS		0x00000002
229#define	AHCI_P_IX_DS		0x00000004
230#define	AHCI_P_IX_SDB		0x00000008
231#define	AHCI_P_IX_UF		0x00000010
232#define	AHCI_P_IX_DP		0x00000020
233#define	AHCI_P_IX_PC		0x00000040
234#define	AHCI_P_IX_MP		0x00000080
235
236#define	AHCI_P_IX_PRC		0x00400000
237#define	AHCI_P_IX_IPM		0x00800000
238#define	AHCI_P_IX_OF		0x01000000
239#define	AHCI_P_IX_INF		0x04000000
240#define	AHCI_P_IX_IF		0x08000000
241#define	AHCI_P_IX_HBD		0x10000000
242#define	AHCI_P_IX_HBF		0x20000000
243#define	AHCI_P_IX_TFE		0x40000000
244#define	AHCI_P_IX_CPD		0x80000000
245
246#define	AHCI_P_CMD		0x18
247#define	AHCI_P_CMD_ST		0x00000001
248#define	AHCI_P_CMD_SUD		0x00000002
249#define	AHCI_P_CMD_POD		0x00000004
250#define	AHCI_P_CMD_CLO		0x00000008
251#define	AHCI_P_CMD_FRE		0x00000010
252#define	AHCI_P_CMD_CCS_MASK	0x00001f00
253#define	AHCI_P_CMD_CCS_SHIFT	8
254#define	AHCI_P_CMD_ISS		0x00002000
255#define	AHCI_P_CMD_FR		0x00004000
256#define	AHCI_P_CMD_CR		0x00008000
257#define	AHCI_P_CMD_CPS		0x00010000
258#define	AHCI_P_CMD_PMA		0x00020000
259#define	AHCI_P_CMD_HPCP		0x00040000
260#define	AHCI_P_CMD_MPSP		0x00080000
261#define	AHCI_P_CMD_CPD		0x00100000
262#define	AHCI_P_CMD_ESP		0x00200000
263#define	AHCI_P_CMD_FBSCP	0x00400000
264#define	AHCI_P_CMD_APSTE	0x00800000
265#define	AHCI_P_CMD_ATAPI	0x01000000
266#define	AHCI_P_CMD_DLAE		0x02000000
267#define	AHCI_P_CMD_ALPE		0x04000000
268#define	AHCI_P_CMD_ASP		0x08000000
269#define	AHCI_P_CMD_ICC_MASK	0xf0000000
270#define	AHCI_P_CMD_NOOP		0x00000000
271#define	AHCI_P_CMD_ACTIVE	0x10000000
272#define	AHCI_P_CMD_PARTIAL	0x20000000
273#define	AHCI_P_CMD_SLUMBER	0x60000000
274#define	AHCI_P_CMD_DEVSLEEP	0x80000000
275
276#define	AHCI_P_TFD			0x20
277#define	AHCI_P_SIG			0x24
278#define	AHCI_P_SSTS			0x28
279#define	AHCI_P_SCTL			0x2c
280#define	AHCI_P_SERR			0x30
281#define	AHCI_P_SACT			0x34
282#define	AHCI_P_CI			0x38
283#define	AHCI_P_SNTF			0x3C
284#define	AHCI_P_FBS			0x40
285#define	AHCI_P_FBS_EN			0x00000001
286#define	AHCI_P_FBS_DEC			0x00000002
287#define	AHCI_P_FBS_SDE			0x00000004
288#define	AHCI_P_FBS_DEV			0x00000f00
289#define	AHCI_P_FBS_DEV_SHIFT		8
290#define	AHCI_P_FBS_ADO			0x0000f000
291#define	AHCI_P_FBS_ADO_SHIFT		12
292#define	AHCI_P_FBS_DWE			0x000f0000
293#define	AHCI_P_FBS_DWE_SHIFT		16
294#define	AHCI_P_DEVSLP			0x44
295#define	AHCI_P_DEVSLP_ADSE		0x00000001
296#define	AHCI_P_DEVSLP_DSP		0x00000002
297#define	AHCI_P_DEVSLP_DETO		0x000003fc
298#define	AHCI_P_DEVSLP_DETO_SHIFT	2
299#define	AHCI_P_DEVSLP_MDAT		0x00007c00
300#define	AHCI_P_DEVSLP_MDAT_SHIFT	10
301#define	AHCI_P_DEVSLP_DITO		0x01ff8000
302#define	AHCI_P_DEVSLP_DITO_SHIFT	15
303#define	AHCI_P_DEVSLP_DM		0x0e000000
304#define	AHCI_P_DEVSLP_DM_SHIFT		25
305
306/* Just to be sure, if building as module. */
307#if MAXPHYS < 512 * 1024
308#undef MAXPHYS
309#define	MAXPHYS			512 * 1024
310#endif
311/* Pessimistic prognosis on number of required S/G entries */
312#define	AHCI_SG_ENTRIES	(roundup(btoc(MAXPHYS) + 1, 8))
313/* Command list. 32 commands. First, 1Kbyte aligned. */
314#define	AHCI_CL_OFFSET		0
315#define	AHCI_CL_SIZE		32
316/* Command tables. Up to 32 commands, Each, 128byte aligned. */
317#define	AHCI_CT_OFFSET		(AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS)
318#define	AHCI_CT_SIZE		(128 + AHCI_SG_ENTRIES * 16)
319/* Total main work area. */
320#define	AHCI_WORK_SIZE		(AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots)
321
322#endif /* _AHCI_H_ */
323