xref: /freebsd/sys/dev/ata/chipsets/ata-intel.c (revision a812392203d7c4c3f0db9d8a0f3391374c49c71f)
1 /*-
2  * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification, immediately at the beginning of the file.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include <sys/param.h>
31 #include <sys/module.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/ata.h>
35 #include <sys/bus.h>
36 #include <sys/endian.h>
37 #include <sys/malloc.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40 #include <sys/sema.h>
41 #include <sys/taskqueue.h>
42 #include <vm/uma.h>
43 #include <machine/stdarg.h>
44 #include <machine/resource.h>
45 #include <machine/bus.h>
46 #include <sys/rman.h>
47 #include <dev/pci/pcivar.h>
48 #include <dev/pci/pcireg.h>
49 #include <dev/ata/ata-all.h>
50 #include <dev/ata/ata-pci.h>
51 #include <ata_if.h>
52 
53 /* local prototypes */
54 static int ata_intel_chipinit(device_t dev);
55 static int ata_intel_chipdeinit(device_t dev);
56 static int ata_intel_ch_attach(device_t dev);
57 static void ata_intel_reset(device_t dev);
58 static int ata_intel_old_setmode(device_t dev, int target, int mode);
59 static int ata_intel_new_setmode(device_t dev, int target, int mode);
60 static int ata_intel_sch_setmode(device_t dev, int target, int mode);
61 static int ata_intel_sata_getrev(device_t dev, int target);
62 static int ata_intel_sata_status(device_t dev);
63 static int ata_intel_sata_ahci_read(device_t dev, int port,
64     int reg, u_int32_t *result);
65 static int ata_intel_sata_cscr_read(device_t dev, int port,
66     int reg, u_int32_t *result);
67 static int ata_intel_sata_sidpr_read(device_t dev, int port,
68     int reg, u_int32_t *result);
69 static int ata_intel_sata_ahci_write(device_t dev, int port,
70     int reg, u_int32_t result);
71 static int ata_intel_sata_cscr_write(device_t dev, int port,
72     int reg, u_int32_t result);
73 static int ata_intel_sata_sidpr_write(device_t dev, int port,
74     int reg, u_int32_t result);
75 static int ata_intel_sata_sidpr_test(device_t dev);
76 static int ata_intel_31244_ch_attach(device_t dev);
77 static int ata_intel_31244_ch_detach(device_t dev);
78 static int ata_intel_31244_status(device_t dev);
79 static void ata_intel_31244_tf_write(struct ata_request *request);
80 static void ata_intel_31244_reset(device_t dev);
81 
82 /* misc defines */
83 #define INTEL_AHCI	1
84 #define INTEL_ICH5	2
85 #define INTEL_6CH	4
86 #define INTEL_6CH2	8
87 #define INTEL_ICH7	16
88 
89 struct ata_intel_data {
90 	struct mtx	lock;
91 	u_char		smap[4];
92 };
93 
94 #define ATA_INTEL_SMAP(ctlr, ch) \
95     &((struct ata_intel_data *)((ctlr)->chipset_data))->smap[(ch)->unit * 2]
96 #define ATA_INTEL_LOCK(ctlr) \
97     mtx_lock(&((struct ata_intel_data *)((ctlr)->chipset_data))->lock)
98 #define ATA_INTEL_UNLOCK(ctlr) \
99     mtx_unlock(&((struct ata_intel_data *)((ctlr)->chipset_data))->lock)
100 
101 /*
102  * Intel chipset support functions
103  */
104 static int
105 ata_intel_probe(device_t dev)
106 {
107     struct ata_pci_controller *ctlr = device_get_softc(dev);
108     static const struct ata_chip_id ids[] =
109     {{ ATA_I82371FB,     0,          0, 2, ATA_WDMA2, "PIIX" },
110      { ATA_I82371SB,     0,          0, 2, ATA_WDMA2, "PIIX3" },
111      { ATA_I82371AB,     0,          0, 2, ATA_UDMA2, "PIIX4" },
112      { ATA_I82443MX,     0,          0, 2, ATA_UDMA2, "PIIX4" },
113      { ATA_I82451NX,     0,          0, 2, ATA_UDMA2, "PIIX4" },
114      { ATA_I82801AB,     0,          0, 2, ATA_UDMA2, "ICH0" },
115      { ATA_I82801AA,     0,          0, 2, ATA_UDMA4, "ICH" },
116      { ATA_I82372FB,     0,          0, 2, ATA_UDMA4, "ICH" },
117      { ATA_I82801BA,     0,          0, 2, ATA_UDMA5, "ICH2" },
118      { ATA_I82801BA_1,   0,          0, 2, ATA_UDMA5, "ICH2" },
119      { ATA_I82801CA,     0,          0, 2, ATA_UDMA5, "ICH3" },
120      { ATA_I82801CA_1,   0,          0, 2, ATA_UDMA5, "ICH3" },
121      { ATA_I82801DB,     0,          0, 2, ATA_UDMA5, "ICH4" },
122      { ATA_I82801DB_1,   0,          0, 2, ATA_UDMA5, "ICH4" },
123      { ATA_I82801EB,     0,          0, 2, ATA_UDMA5, "ICH5" },
124      { ATA_I82801EB_S1,  0, INTEL_ICH5, 2, ATA_SA150, "ICH5" },
125      { ATA_I82801EB_R1,  0, INTEL_ICH5, 2, ATA_SA150, "ICH5" },
126      { ATA_I6300ESB,     0,          0, 2, ATA_UDMA5, "6300ESB" },
127      { ATA_I6300ESB_S1,  0, INTEL_ICH5, 2, ATA_SA150, "6300ESB" },
128      { ATA_I6300ESB_R1,  0, INTEL_ICH5, 2, ATA_SA150, "6300ESB" },
129      { ATA_I82801FB,     0,          0, 2, ATA_UDMA5, "ICH6" },
130      { ATA_I82801FB_S1,  0, INTEL_AHCI, 0, ATA_SA150, "ICH6" },
131      { ATA_I82801FB_R1,  0, INTEL_AHCI, 0, ATA_SA150, "ICH6" },
132      { ATA_I82801FBM,    0, INTEL_AHCI, 0, ATA_SA150, "ICH6M" },
133      { ATA_I82801GB,     0,          0, 1, ATA_UDMA5, "ICH7" },
134      { ATA_I82801GB_S1,  0, INTEL_ICH7, 0, ATA_SA300, "ICH7" },
135      { ATA_I82801GB_R1,  0, INTEL_AHCI, 0, ATA_SA300, "ICH7" },
136      { ATA_I82801GB_AH,  0, INTEL_AHCI, 0, ATA_SA300, "ICH7" },
137      { ATA_I82801GBM_S1, 0, INTEL_ICH7, 0, ATA_SA150, "ICH7M" },
138      { ATA_I82801GBM_R1, 0, INTEL_AHCI, 0, ATA_SA150, "ICH7M" },
139      { ATA_I82801GBM_AH, 0, INTEL_AHCI, 0, ATA_SA150, "ICH7M" },
140      { ATA_I63XXESB2,    0,          0, 1, ATA_UDMA5, "63XXESB2" },
141      { ATA_I63XXESB2_S1, 0,          0, 0, ATA_SA300, "63XXESB2" },
142      { ATA_I63XXESB2_S2, 0, INTEL_AHCI, 0, ATA_SA300, "63XXESB2" },
143      { ATA_I63XXESB2_R1, 0, INTEL_AHCI, 0, ATA_SA300, "63XXESB2" },
144      { ATA_I63XXESB2_R2, 0, INTEL_AHCI, 0, ATA_SA300, "63XXESB2" },
145      { ATA_I82801HB_S1,  0, INTEL_6CH,  0, ATA_SA300, "ICH8" },
146      { ATA_I82801HB_S2,  0, INTEL_6CH2, 0, ATA_SA300, "ICH8" },
147      { ATA_I82801HB_R1,  0, INTEL_AHCI, 0, ATA_SA300, "ICH8" },
148      { ATA_I82801HB_AH4, 0, INTEL_AHCI, 0, ATA_SA300, "ICH8" },
149      { ATA_I82801HB_AH6, 0, INTEL_AHCI, 0, ATA_SA300, "ICH8" },
150      { ATA_I82801HBM,    0,          0, 1, ATA_UDMA5, "ICH8M" },
151      { ATA_I82801HBM_S1, 0, INTEL_6CH,  0, ATA_SA300, "ICH8M" },
152      { ATA_I82801HBM_S2, 0, INTEL_AHCI, 0, ATA_SA300, "ICH8M" },
153      { ATA_I82801HBM_S3, 0, INTEL_AHCI, 0, ATA_SA300, "ICH8M" },
154      { ATA_I82801IB_S1,  0, INTEL_6CH,  0, ATA_SA300, "ICH9" },
155      { ATA_I82801IB_S2,  0, INTEL_6CH2, 0, ATA_SA300, "ICH9" },
156      { ATA_I82801IB_S3,  0, INTEL_6CH2, 0, ATA_SA300, "ICH9" },
157      { ATA_I82801IB_AH4, 0, INTEL_AHCI, 0, ATA_SA300, "ICH9" },
158      { ATA_I82801IB_AH6, 0, INTEL_AHCI, 0, ATA_SA300, "ICH9" },
159      { ATA_I82801IB_R1,  0, INTEL_AHCI, 0, ATA_SA300, "ICH9" },
160      { ATA_I82801IBM_S1, 0, INTEL_6CH2, 0, ATA_SA300, "ICH9M" },
161      { ATA_I82801IBM_AH, 0, INTEL_AHCI, 0, ATA_SA300, "ICH9M" },
162      { ATA_I82801IBM_R1, 0, INTEL_AHCI, 0, ATA_SA300, "ICH9M" },
163      { ATA_I82801IBM_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH9M" },
164      { ATA_I82801JIB_S1, 0, INTEL_6CH,  0, ATA_SA300, "ICH10" },
165      { ATA_I82801JIB_AH, 0, INTEL_AHCI, 0, ATA_SA300, "ICH10" },
166      { ATA_I82801JIB_R1, 0, INTEL_AHCI, 0, ATA_SA300, "ICH10" },
167      { ATA_I82801JIB_S2, 0, INTEL_6CH2, 0, ATA_SA300, "ICH10" },
168      { ATA_I82801JD_S1,  0, INTEL_6CH,  0, ATA_SA300, "ICH10" },
169      { ATA_I82801JD_AH,  0, INTEL_AHCI, 0, ATA_SA300, "ICH10" },
170      { ATA_I82801JD_R1,  0, INTEL_AHCI, 0, ATA_SA300, "ICH10" },
171      { ATA_I82801JD_S2,  0, INTEL_6CH2, 0, ATA_SA300, "ICH10" },
172      { ATA_I82801JI_S1,  0, INTEL_6CH,  0, ATA_SA300, "ICH10" },
173      { ATA_I82801JI_AH,  0, INTEL_AHCI, 0, ATA_SA300, "ICH10" },
174      { ATA_I82801JI_R1,  0, INTEL_AHCI, 0, ATA_SA300, "ICH10" },
175      { ATA_I82801JI_S2,  0, INTEL_6CH2, 0, ATA_SA300, "ICH10" },
176      { ATA_5Series_S1,   0, INTEL_6CH,  0, ATA_SA300, "5 Series/3400 Series PCH" },
177      { ATA_5Series_S2,   0, INTEL_6CH2, 0, ATA_SA300, "5 Series/3400 Series PCH" },
178      { ATA_5Series_AH1,  0, INTEL_AHCI, 0, ATA_SA300, "5 Series/3400 Series PCH" },
179      { ATA_5Series_AH2,  0, INTEL_AHCI, 0, ATA_SA300, "5 Series/3400 Series PCH" },
180      { ATA_5Series_R1,   0, INTEL_AHCI, 0, ATA_SA300, "5 Series/3400 Series PCH" },
181      { ATA_5Series_S3,   0, INTEL_6CH2, 0, ATA_SA300, "5 Series/3400 Series PCH" },
182      { ATA_5Series_S4,   0, INTEL_6CH,  0, ATA_SA300, "5 Series/3400 Series PCH" },
183      { ATA_5Series_AH3,  0, INTEL_AHCI, 0, ATA_SA300, "5 Series/3400 Series PCH" },
184      { ATA_5Series_R2,   0, INTEL_AHCI, 0, ATA_SA300, "5 Series/3400 Series PCH" },
185      { ATA_5Series_S5,   0, INTEL_6CH2, 0, ATA_SA300, "5 Series/3400 Series PCH" },
186      { ATA_5Series_S6,   0, INTEL_6CH,  0, ATA_SA300, "5 Series/3400 Series PCH" },
187      { ATA_5Series_AH4,  0, INTEL_AHCI, 0, ATA_SA300, "5 Series/3400 Series PCH" },
188      { ATA_CPT_S1,       0, INTEL_6CH,  0, ATA_SA300, "Cougar Point" },
189      { ATA_CPT_S2,       0, INTEL_6CH,  0, ATA_SA300, "Cougar Point" },
190      { ATA_CPT_AH1,      0, INTEL_AHCI, 0, ATA_SA300, "Cougar Point" },
191      { ATA_CPT_AH2,      0, INTEL_AHCI, 0, ATA_SA300, "Cougar Point" },
192      { ATA_CPT_R1,       0, INTEL_AHCI, 0, ATA_SA300, "Cougar Point" },
193      { ATA_CPT_R2,       0, INTEL_AHCI, 0, ATA_SA300, "Cougar Point" },
194      { ATA_CPT_S3,       0, INTEL_6CH2, 0, ATA_SA300, "Cougar Point" },
195      { ATA_CPT_S4,       0, INTEL_6CH2, 0, ATA_SA300, "Cougar Point" },
196      { ATA_PBG_S1,       0, INTEL_6CH,  0, ATA_SA300, "Patsburg" },
197      { ATA_PBG_AH1,      0, INTEL_AHCI, 0, ATA_SA300, "Patsburg" },
198      { ATA_PBG_R1,       0, INTEL_AHCI, 0, ATA_SA300, "Patsburg" },
199      { ATA_PBG_R2,       0, INTEL_AHCI, 0, ATA_SA300, "Patsburg" },
200      { ATA_PBG_R3,       0, INTEL_AHCI, 0, ATA_SA300, "Patsburg" },
201      { ATA_PBG_S2,       0, INTEL_6CH2, 0, ATA_SA300, "Patsburg" },
202      { ATA_PPT_S1,       0, INTEL_6CH,  0, ATA_SA300, "Panther Point" },
203      { ATA_PPT_S2,       0, INTEL_6CH,  0, ATA_SA300, "Panther Point" },
204      { ATA_PPT_AH1,      0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
205      { ATA_PPT_AH2,      0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
206      { ATA_PPT_R1,       0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
207      { ATA_PPT_R2,       0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
208      { ATA_PPT_R3,       0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
209      { ATA_PPT_R4,       0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
210      { ATA_PPT_S3,       0, INTEL_6CH2, 0, ATA_SA300, "Panther Point" },
211      { ATA_PPT_S4,       0, INTEL_6CH2, 0, ATA_SA300, "Panther Point" },
212      { ATA_PPT_R5,       0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
213      { ATA_PPT_R6,       0, INTEL_AHCI, 0, ATA_SA300, "Panther Point" },
214      { ATA_AVOTON_S1,    0, INTEL_6CH,  0, ATA_SA300, "Avoton" },
215      { ATA_AVOTON_S2,    0, INTEL_6CH,  0, ATA_SA300, "Avoton" },
216      { ATA_AVOTON_S3,    0, INTEL_6CH2, 0, ATA_SA300, "Avoton" },
217      { ATA_AVOTON_S4,    0, INTEL_6CH2, 0, ATA_SA300, "Avoton" },
218      { ATA_LPT_S1,       0, INTEL_6CH,  0, ATA_SA300, "Lynx Point" },
219      { ATA_LPT_S2,       0, INTEL_6CH,  0, ATA_SA300, "Lynx Point" },
220      { ATA_LPT_AH1,      0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
221      { ATA_LPT_AH2,      0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
222      { ATA_LPT_R1,       0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
223      { ATA_LPT_R2,       0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
224      { ATA_LPT_R3,       0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
225      { ATA_LPT_R4,       0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
226      { ATA_LPT_S3,       0, INTEL_6CH2, 0, ATA_SA300, "Lynx Point" },
227      { ATA_LPT_S4,       0, INTEL_6CH2, 0, ATA_SA300, "Lynx Point" },
228      { ATA_LPT_R5,       0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
229      { ATA_LPT_R6,       0, INTEL_AHCI, 0, ATA_SA300, "Lynx Point" },
230      { ATA_WCPT_S1,      0, INTEL_6CH,  0, ATA_SA300, "Wildcat Point" },
231      { ATA_WCPT_S2,      0, INTEL_6CH,  0, ATA_SA300, "Wildcat Point" },
232      { ATA_WCPT_AH1,     0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
233      { ATA_WCPT_AH2,     0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
234      { ATA_WCPT_R1,      0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
235      { ATA_WCPT_R2,      0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
236      { ATA_WCPT_R3,      0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
237      { ATA_WCPT_R4,      0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
238      { ATA_WCPT_S3,      0, INTEL_6CH2, 0, ATA_SA300, "Wildcat Point" },
239      { ATA_WCPT_S4,      0, INTEL_6CH2, 0, ATA_SA300, "Wildcat Point" },
240      { ATA_WCPT_R5,      0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
241      { ATA_WCPT_R6,      0, INTEL_AHCI, 0, ATA_SA300, "Wildcat Point" },
242      { ATA_WELLS_S1,     0, INTEL_6CH,  0, ATA_SA300, "Wellsburg" },
243      { ATA_WELLS_S2,     0, INTEL_6CH2, 0, ATA_SA300, "Wellsburg" },
244      { ATA_WELLS_S3,     0, INTEL_6CH,  0, ATA_SA300, "Wellsburg" },
245      { ATA_WELLS_S4,     0, INTEL_6CH2, 0, ATA_SA300, "Wellsburg" },
246      { ATA_LPTLP_S1,     0, INTEL_6CH,  0, ATA_SA300, "Lynx Point-LP" },
247      { ATA_LPTLP_S2,     0, INTEL_6CH,  0, ATA_SA300, "Lynx Point-LP" },
248      { ATA_LPTLP_S3,     0, INTEL_6CH2, 0, ATA_SA300, "Lynx Point-LP" },
249      { ATA_LPTLP_S4,     0, INTEL_6CH2, 0, ATA_SA300, "Lynx Point-LP" },
250      { ATA_I31244,       0,          0, 2, ATA_SA150, "31244" },
251      { ATA_ISCH,         0,          0, 1, ATA_UDMA5, "SCH" },
252      { ATA_DH89XXCC,     0, INTEL_AHCI, 0, ATA_SA300, "DH89xxCC" },
253      { ATA_COLETOCRK_S1, 0, INTEL_6CH2, 0, ATA_SA300, "COLETOCRK" },
254      { ATA_COLETOCRK_S2, 0, INTEL_6CH2, 0, ATA_SA300, "COLETOCRK" },
255      { ATA_COLETOCRK_AH1,0, INTEL_AHCI, 0, ATA_SA300, "COLETOCRK" },
256      { 0, 0, 0, 0, 0, 0}};
257 
258     if (pci_get_vendor(dev) != ATA_INTEL_ID)
259 	return ENXIO;
260 
261     if (!(ctlr->chip = ata_match_chip(dev, ids)))
262 	return ENXIO;
263 
264     ata_set_desc(dev);
265     ctlr->chipinit = ata_intel_chipinit;
266     ctlr->chipdeinit = ata_intel_chipdeinit;
267     return (BUS_PROBE_DEFAULT);
268 }
269 
270 static int
271 ata_intel_chipinit(device_t dev)
272 {
273     struct ata_pci_controller *ctlr = device_get_softc(dev);
274     struct ata_intel_data *data;
275 
276     if (ata_setup_interrupt(dev, ata_generic_intr))
277 	return ENXIO;
278 
279     data = malloc(sizeof(struct ata_intel_data), M_ATAPCI, M_WAITOK | M_ZERO);
280     mtx_init(&data->lock, "Intel SATA lock", NULL, MTX_DEF);
281     ctlr->chipset_data = (void *)data;
282 
283     /* good old PIIX needs special treatment (not implemented) */
284     if (ctlr->chip->chipid == ATA_I82371FB) {
285 	ctlr->setmode = ata_intel_old_setmode;
286     }
287 
288     /* the intel 31244 needs special care if in DPA mode */
289     else if (ctlr->chip->chipid == ATA_I31244) {
290 	if (pci_get_subclass(dev) != PCIS_STORAGE_IDE) {
291 	    ctlr->r_type2 = SYS_RES_MEMORY;
292 	    ctlr->r_rid2 = PCIR_BAR(0);
293 	    if (!(ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
294 							&ctlr->r_rid2,
295 							RF_ACTIVE)))
296 		return ENXIO;
297 	    ctlr->channels = 4;
298 	    ctlr->ch_attach = ata_intel_31244_ch_attach;
299 	    ctlr->ch_detach = ata_intel_31244_ch_detach;
300 	    ctlr->reset = ata_intel_31244_reset;
301 	}
302 	ctlr->setmode = ata_sata_setmode;
303 	ctlr->getrev = ata_sata_getrev;
304     }
305     /* SCH */
306     else if (ctlr->chip->chipid == ATA_ISCH) {
307 	ctlr->channels = 1;
308 	ctlr->ch_attach = ata_intel_ch_attach;
309 	ctlr->ch_detach = ata_pci_ch_detach;
310 	ctlr->setmode = ata_intel_sch_setmode;
311     }
312     /* non SATA intel chips goes here */
313     else if (ctlr->chip->max_dma < ATA_SA150) {
314 	ctlr->channels = ctlr->chip->cfg2;
315 	ctlr->ch_attach = ata_intel_ch_attach;
316 	ctlr->ch_detach = ata_pci_ch_detach;
317 	ctlr->setmode = ata_intel_new_setmode;
318     }
319 
320     /* SATA parts can be either compat or AHCI */
321     else {
322 	/* force all ports active "the legacy way" */
323 	pci_write_config(dev, 0x92, pci_read_config(dev, 0x92, 2) | 0x0f, 2);
324 
325 	ctlr->ch_attach = ata_intel_ch_attach;
326 	ctlr->ch_detach = ata_pci_ch_detach;
327 	ctlr->reset = ata_intel_reset;
328 
329 	/*
330 	 * if we have AHCI capability and AHCI or RAID mode enabled
331 	 * in BIOS we try for AHCI mode
332 	 */
333 	if ((ctlr->chip->cfg1 & INTEL_AHCI) &&
334 	    (pci_read_config(dev, 0x90, 1) & 0xc0) &&
335 	    (ata_ahci_chipinit(dev) != ENXIO))
336 	    return 0;
337 
338 	/* BAR(5) may point to SATA interface registers */
339 	if ((ctlr->chip->cfg1 & INTEL_ICH7)) {
340 		ctlr->r_type2 = SYS_RES_MEMORY;
341 		ctlr->r_rid2 = PCIR_BAR(5);
342 		ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
343 		    &ctlr->r_rid2, RF_ACTIVE);
344 		if (ctlr->r_res2 != NULL) {
345 			/* Set SCRAE bit to enable registers access. */
346 			pci_write_config(dev, 0x94,
347 			    pci_read_config(dev, 0x94, 4) | (1 << 9), 4);
348 			/* Set Ports Implemented register bits. */
349 			ATA_OUTL(ctlr->r_res2, 0x0C,
350 			    ATA_INL(ctlr->r_res2, 0x0C) | 0xf);
351 		}
352 	/* Skip BAR(5) on ICH8M Apples, system locks up on access. */
353 	} else if (ctlr->chip->chipid != ATA_I82801HBM_S1 ||
354 	    pci_get_subvendor(dev) != 0x106b) {
355 		ctlr->r_type2 = SYS_RES_IOPORT;
356 		ctlr->r_rid2 = PCIR_BAR(5);
357 		ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
358 		    &ctlr->r_rid2, RF_ACTIVE);
359 	}
360 	if (ctlr->r_res2 != NULL ||
361 	    (ctlr->chip->cfg1 & INTEL_ICH5))
362 		ctlr->getrev = ata_intel_sata_getrev;
363 	ctlr->setmode = ata_sata_setmode;
364     }
365     return 0;
366 }
367 
368 static int
369 ata_intel_chipdeinit(device_t dev)
370 {
371 	struct ata_pci_controller *ctlr = device_get_softc(dev);
372 	struct ata_intel_data *data;
373 
374 	data = ctlr->chipset_data;
375 	mtx_destroy(&data->lock);
376 	free(data, M_ATAPCI);
377 	ctlr->chipset_data = NULL;
378 	return (0);
379 }
380 
381 static int
382 ata_intel_ch_attach(device_t dev)
383 {
384 	struct ata_pci_controller *ctlr;
385 	struct ata_channel *ch;
386 	u_char *smap;
387 	u_int map;
388 
389 	/* setup the usual register normal pci style */
390 	if (ata_pci_ch_attach(dev))
391 		return (ENXIO);
392 
393 	ctlr = device_get_softc(device_get_parent(dev));
394 	ch = device_get_softc(dev);
395 
396 	/* if r_res2 is valid it points to SATA interface registers */
397 	if (ctlr->r_res2) {
398 		ch->r_io[ATA_IDX_ADDR].res = ctlr->r_res2;
399 		ch->r_io[ATA_IDX_ADDR].offset = 0x00;
400 		ch->r_io[ATA_IDX_DATA].res = ctlr->r_res2;
401 		ch->r_io[ATA_IDX_DATA].offset = 0x04;
402 	}
403 
404 	ch->flags |= ATA_ALWAYS_DMASTAT;
405 	if (ctlr->chip->max_dma >= ATA_SA150) {
406 		smap = ATA_INTEL_SMAP(ctlr, ch);
407 		map = pci_read_config(device_get_parent(dev), 0x90, 1);
408 		if (ctlr->chip->cfg1 & INTEL_ICH5) {
409 			map &= 0x07;
410 			if ((map & 0x04) == 0) {
411 				ch->flags |= ATA_SATA;
412 				ch->flags |= ATA_NO_SLAVE;
413 				smap[0] = (map & 0x01) ^ ch->unit;
414 				smap[1] = 0;
415 			} else if ((map & 0x02) == 0 && ch->unit == 0) {
416 				ch->flags |= ATA_SATA;
417 				smap[0] = (map & 0x01) ? 1 : 0;
418 				smap[1] = (map & 0x01) ? 0 : 1;
419 			} else if ((map & 0x02) != 0 && ch->unit == 1) {
420 				ch->flags |= ATA_SATA;
421 				smap[0] = (map & 0x01) ? 1 : 0;
422 				smap[1] = (map & 0x01) ? 0 : 1;
423 			}
424 		} else if (ctlr->chip->cfg1 & INTEL_6CH2) {
425 			ch->flags |= ATA_SATA;
426 			ch->flags |= ATA_NO_SLAVE;
427 			smap[0] = (ch->unit == 0) ? 0 : 1;
428 			smap[1] = 0;
429 		} else {
430 			map &= 0x03;
431 			if (map == 0x00) {
432 				ch->flags |= ATA_SATA;
433 				smap[0] = (ch->unit == 0) ? 0 : 1;
434 				smap[1] = (ch->unit == 0) ? 2 : 3;
435 			} else if (map == 0x02 && ch->unit == 0) {
436 				ch->flags |= ATA_SATA;
437 				smap[0] = 0;
438 				smap[1] = 2;
439 			} else if (map == 0x01 && ch->unit == 1) {
440 				ch->flags |= ATA_SATA;
441 				smap[0] = 1;
442 				smap[1] = 3;
443 			}
444 		}
445 		if (ch->flags & ATA_SATA) {
446 			if ((ctlr->chip->cfg1 & INTEL_ICH5)) {
447 				ch->hw.pm_read = ata_intel_sata_cscr_read;
448 				ch->hw.pm_write = ata_intel_sata_cscr_write;
449 			} else if (ctlr->r_res2) {
450 				if ((ctlr->chip->cfg1 & INTEL_ICH7)) {
451 					ch->hw.pm_read = ata_intel_sata_ahci_read;
452 					ch->hw.pm_write = ata_intel_sata_ahci_write;
453 				} else if (ata_intel_sata_sidpr_test(dev)) {
454 					ch->hw.pm_read = ata_intel_sata_sidpr_read;
455 					ch->hw.pm_write = ata_intel_sata_sidpr_write;
456 				};
457 			}
458 			if (ch->hw.pm_write != NULL) {
459 				ch->flags |= ATA_PERIODIC_POLL;
460 				ch->hw.status = ata_intel_sata_status;
461 				ata_sata_scr_write(ch, 0,
462 				    ATA_SERROR, 0xffffffff);
463 				if ((ch->flags & ATA_NO_SLAVE) == 0) {
464 					ata_sata_scr_write(ch, 1,
465 					    ATA_SERROR, 0xffffffff);
466 				}
467 			}
468 		} else
469 			ctlr->setmode = ata_intel_new_setmode;
470 	} else if (ctlr->chip->chipid != ATA_ISCH)
471 		ch->flags |= ATA_CHECKS_CABLE;
472 	return (0);
473 }
474 
475 static void
476 ata_intel_reset(device_t dev)
477 {
478 	device_t parent = device_get_parent(dev);
479 	struct ata_pci_controller *ctlr = device_get_softc(parent);
480 	struct ata_channel *ch = device_get_softc(dev);
481 	int mask, pshift, timeout, devs;
482 	u_char *smap;
483 	uint16_t pcs;
484 
485 	/* In combined mode, skip SATA stuff for PATA channel. */
486 	if ((ch->flags & ATA_SATA) == 0)
487 		return (ata_generic_reset(dev));
488 
489 	/* Do hard-reset on respective SATA ports. */
490 	smap = ATA_INTEL_SMAP(ctlr, ch);
491 	mask = 1 << smap[0];
492 	if ((ch->flags & ATA_NO_SLAVE) == 0)
493 		mask |= (1 << smap[1]);
494 	pci_write_config(parent, 0x92,
495 	    pci_read_config(parent, 0x92, 2) & ~mask, 2);
496 	DELAY(10);
497 	pci_write_config(parent, 0x92,
498 	    pci_read_config(parent, 0x92, 2) | mask, 2);
499 
500 	/* Wait up to 1 sec for "connect well". */
501 	if (ctlr->chip->cfg1 & (INTEL_6CH | INTEL_6CH2))
502 		pshift = 8;
503 	else
504 		pshift = 4;
505 	for (timeout = 0; timeout < 100 ; timeout++) {
506 		pcs = (pci_read_config(parent, 0x92, 2) >> pshift) & mask;
507 		if ((pcs == mask) && (ATA_IDX_INB(ch, ATA_STATUS) != 0xff))
508 			break;
509 		ata_udelay(10000);
510 	}
511 
512 	if (bootverbose)
513 		device_printf(dev, "SATA reset: ports status=0x%02x\n", pcs);
514 	/* If any device found, do soft-reset. */
515 	if (ch->hw.pm_read != NULL) {
516 		devs = ata_sata_phy_reset(dev, 0, 2) ? ATA_ATA_MASTER : 0;
517 		if ((ch->flags & ATA_NO_SLAVE) == 0)
518 			devs |= ata_sata_phy_reset(dev, 1, 2) ?
519 			    ATA_ATA_SLAVE : 0;
520 	} else {
521 		devs = (pcs & (1 << smap[0])) ? ATA_ATA_MASTER : 0;
522 		if ((ch->flags & ATA_NO_SLAVE) == 0)
523 			devs |= (pcs & (1 << smap[1])) ?
524 			    ATA_ATA_SLAVE : 0;
525 	}
526 	if (devs) {
527 		ata_generic_reset(dev);
528 		/* Reset may give fake slave when only ATAPI master present. */
529 		ch->devices &= (devs | (devs * ATA_ATAPI_MASTER));
530 	} else
531 		ch->devices = 0;
532 }
533 
534 static int
535 ata_intel_old_setmode(device_t dev, int target, int mode)
536 {
537 	device_t parent = device_get_parent(dev);
538 	struct ata_pci_controller *ctlr = device_get_softc(parent);
539 
540 	mode = min(mode, ctlr->chip->max_dma);
541 	return (mode);
542 }
543 
544 static int
545 ata_intel_new_setmode(device_t dev, int target, int mode)
546 {
547 	device_t parent = device_get_parent(dev);
548 	struct ata_pci_controller *ctlr = device_get_softc(parent);
549 	struct ata_channel *ch = device_get_softc(dev);
550 	int devno = (ch->unit << 1) + target;
551 	int piomode;
552 	u_int32_t reg40 = pci_read_config(parent, 0x40, 4);
553 	u_int8_t reg44 = pci_read_config(parent, 0x44, 1);
554 	u_int8_t reg48 = pci_read_config(parent, 0x48, 1);
555 	u_int16_t reg4a = pci_read_config(parent, 0x4a, 2);
556 	u_int16_t reg54 = pci_read_config(parent, 0x54, 2);
557 	u_int32_t mask40 = 0, new40 = 0;
558 	u_int8_t mask44 = 0, new44 = 0;
559 	static const uint8_t timings[] =
560 	    { 0x00, 0x00, 0x10, 0x21, 0x23, 0x00, 0x21, 0x23 };
561 	static const uint8_t utimings[] =
562 	    { 0x00, 0x01, 0x02, 0x01, 0x02, 0x01, 0x02 };
563 
564 	/* In combined mode, skip PATA stuff for SATA channel. */
565 	if (ch->flags & ATA_SATA)
566 		return (ata_sata_setmode(dev, target, mode));
567 
568 	mode = min(mode, ctlr->chip->max_dma);
569 	if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
570 	    !(reg54 & (0x10 << devno))) {
571 		ata_print_cable(dev, "controller");
572 		mode = ATA_UDMA2;
573 	}
574 	/* Enable/disable UDMA and set timings. */
575 	if (mode >= ATA_UDMA0) {
576 	    pci_write_config(parent, 0x48, reg48 | (0x0001 << devno), 2);
577 	    pci_write_config(parent, 0x4a,
578 		(reg4a & ~(0x3 << (devno << 2))) |
579 		(utimings[mode & ATA_MODE_MASK] << (devno<<2)), 2);
580 	    piomode = ATA_PIO4;
581 	} else {
582 	    pci_write_config(parent, 0x48, reg48 & ~(0x0001 << devno), 2);
583 	    pci_write_config(parent, 0x4a, (reg4a & ~(0x3 << (devno << 2))),2);
584 	    piomode = mode;
585 	}
586 	reg54 |= 0x0400;
587 	/* Set UDMA reference clock (33/66/133MHz). */
588 	reg54 &= ~(0x1001 << devno);
589 	if (mode >= ATA_UDMA5)
590 	    reg54 |= (0x1000 << devno);
591 	else if (mode >= ATA_UDMA3)
592 	    reg54 |= (0x1 << devno);
593 	pci_write_config(parent, 0x54, reg54, 2);
594 	/* Allow PIO/WDMA timing controls. */
595 	reg40 &= ~0x00ff00ff;
596 	reg40 |= 0x40774077;
597 	/* Set PIO/WDMA timings. */
598 	if (target == 0) {
599 	    mask40 = 0x3300;
600 	    new40 = timings[ata_mode2idx(piomode)] << 8;
601 	} else {
602 	    mask44 = 0x0f;
603 	    new44 = ((timings[ata_mode2idx(piomode)] & 0x30) >> 2) |
604 		    (timings[ata_mode2idx(piomode)] & 0x03);
605 	}
606 	if (ch->unit) {
607 	    mask40 <<= 16;
608 	    new40 <<= 16;
609 	    mask44 <<= 4;
610 	    new44 <<= 4;
611 	}
612 	pci_write_config(parent, 0x40, (reg40 & ~mask40) | new40, 4);
613 	pci_write_config(parent, 0x44, (reg44 & ~mask44) | new44, 1);
614 	return (mode);
615 }
616 
617 static int
618 ata_intel_sch_setmode(device_t dev, int target, int mode)
619 {
620 	device_t parent = device_get_parent(dev);
621 	struct ata_pci_controller *ctlr = device_get_softc(parent);
622 	u_int8_t dtim = 0x80 + (target << 2);
623 	u_int32_t tim = pci_read_config(parent, dtim, 4);
624 	int piomode;
625 
626 	mode = min(mode, ctlr->chip->max_dma);
627 	if (mode >= ATA_UDMA0) {
628 		tim |= (0x1 << 31);
629 		tim &= ~(0x7 << 16);
630 		tim |= ((mode & ATA_MODE_MASK) << 16);
631 		piomode = ATA_PIO4;
632 	} else if (mode >= ATA_WDMA0) {
633 		tim &= ~(0x1 << 31);
634 		tim &= ~(0x3 << 8);
635 		tim |= ((mode & ATA_MODE_MASK) << 8);
636 		piomode = (mode == ATA_WDMA0) ? ATA_PIO0 :
637 		    (mode == ATA_WDMA1) ? ATA_PIO3 : ATA_PIO4;
638 	} else
639 		piomode = mode;
640 	tim &= ~(0x7);
641 	tim |= (piomode & 0x7);
642 	pci_write_config(parent, dtim, tim, 4);
643 	return (mode);
644 }
645 
646 static int
647 ata_intel_sata_getrev(device_t dev, int target)
648 {
649 	struct ata_channel *ch = device_get_softc(dev);
650 	uint32_t status;
651 
652 	if (ata_sata_scr_read(ch, target, ATA_SSTATUS, &status) == 0)
653 		return ((status & 0x0f0) >> 4);
654 	return (0xff);
655 }
656 
657 static int
658 ata_intel_sata_status(device_t dev)
659 {
660 	struct ata_channel *ch = device_get_softc(dev);
661 
662 	ata_sata_phy_check_events(dev, 0);
663 	if ((ch->flags & ATA_NO_SLAVE) == 0)
664 		ata_sata_phy_check_events(dev, 1);
665 
666 	return ata_pci_status(dev);
667 }
668 
669 static int
670 ata_intel_sata_ahci_read(device_t dev, int port, int reg, u_int32_t *result)
671 {
672 	struct ata_pci_controller *ctlr;
673 	struct ata_channel *ch;
674 	device_t parent;
675 	u_char *smap;
676 	int offset;
677 
678 	parent = device_get_parent(dev);
679 	ctlr = device_get_softc(parent);
680 	ch = device_get_softc(dev);
681 	port = (port == 1) ? 1 : 0;
682 	smap = ATA_INTEL_SMAP(ctlr, ch);
683 	offset = 0x100 + smap[port] * 0x80;
684 	switch (reg) {
685 	case ATA_SSTATUS:
686 	    reg = 0x28;
687 	    break;
688 	case ATA_SCONTROL:
689 	    reg = 0x2c;
690 	    break;
691 	case ATA_SERROR:
692 	    reg = 0x30;
693 	    break;
694 	default:
695 	    return (EINVAL);
696 	}
697 	*result = ATA_INL(ctlr->r_res2, offset + reg);
698 	return (0);
699 }
700 
701 static int
702 ata_intel_sata_cscr_read(device_t dev, int port, int reg, u_int32_t *result)
703 {
704 	struct ata_pci_controller *ctlr;
705 	struct ata_channel *ch;
706 	device_t parent;
707 	u_char *smap;
708 
709 	parent = device_get_parent(dev);
710 	ctlr = device_get_softc(parent);
711 	ch = device_get_softc(dev);
712 	smap = ATA_INTEL_SMAP(ctlr, ch);
713 	port = (port == 1) ? 1 : 0;
714 	switch (reg) {
715 	case ATA_SSTATUS:
716 	    reg = 0;
717 	    break;
718 	case ATA_SERROR:
719 	    reg = 1;
720 	    break;
721 	case ATA_SCONTROL:
722 	    reg = 2;
723 	    break;
724 	default:
725 	    return (EINVAL);
726 	}
727 	ATA_INTEL_LOCK(ctlr);
728 	pci_write_config(parent, 0xa0,
729 	    0x50 + smap[port] * 0x10 + reg * 4, 4);
730 	*result = pci_read_config(parent, 0xa4, 4);
731 	ATA_INTEL_UNLOCK(ctlr);
732 	return (0);
733 }
734 
735 static int
736 ata_intel_sata_sidpr_read(device_t dev, int port, int reg, u_int32_t *result)
737 {
738 	struct ata_pci_controller *ctlr;
739 	struct ata_channel *ch;
740 	device_t parent;
741 
742 	parent = device_get_parent(dev);
743 	ctlr = device_get_softc(parent);
744 	ch = device_get_softc(dev);
745 	port = (port == 1) ? 1 : 0;
746 	switch (reg) {
747 	case ATA_SSTATUS:
748 	    reg = 0;
749 	    break;
750 	case ATA_SCONTROL:
751 	    reg = 1;
752 	    break;
753 	case ATA_SERROR:
754 	    reg = 2;
755 	    break;
756 	default:
757 	    return (EINVAL);
758 	}
759 	ATA_INTEL_LOCK(ctlr);
760 	ATA_IDX_OUTL(ch, ATA_IDX_ADDR, ((ch->unit * 2 + port) << 8) + reg);
761 	*result = ATA_IDX_INL(ch, ATA_IDX_DATA);
762 	ATA_INTEL_UNLOCK(ctlr);
763 	return (0);
764 }
765 
766 static int
767 ata_intel_sata_ahci_write(device_t dev, int port, int reg, u_int32_t value)
768 {
769 	struct ata_pci_controller *ctlr;
770 	struct ata_channel *ch;
771 	device_t parent;
772 	u_char *smap;
773 	int offset;
774 
775 	parent = device_get_parent(dev);
776 	ctlr = device_get_softc(parent);
777 	ch = device_get_softc(dev);
778 	port = (port == 1) ? 1 : 0;
779 	smap = ATA_INTEL_SMAP(ctlr, ch);
780 	offset = 0x100 + smap[port] * 0x80;
781 	switch (reg) {
782 	case ATA_SSTATUS:
783 	    reg = 0x28;
784 	    break;
785 	case ATA_SCONTROL:
786 	    reg = 0x2c;
787 	    break;
788 	case ATA_SERROR:
789 	    reg = 0x30;
790 	    break;
791 	default:
792 	    return (EINVAL);
793 	}
794 	ATA_OUTL(ctlr->r_res2, offset + reg, value);
795 	return (0);
796 }
797 
798 static int
799 ata_intel_sata_cscr_write(device_t dev, int port, int reg, u_int32_t value)
800 {
801 	struct ata_pci_controller *ctlr;
802 	struct ata_channel *ch;
803 	device_t parent;
804 	u_char *smap;
805 
806 	parent = device_get_parent(dev);
807 	ctlr = device_get_softc(parent);
808 	ch = device_get_softc(dev);
809 	smap = ATA_INTEL_SMAP(ctlr, ch);
810 	port = (port == 1) ? 1 : 0;
811 	switch (reg) {
812 	case ATA_SSTATUS:
813 	    reg = 0;
814 	    break;
815 	case ATA_SERROR:
816 	    reg = 1;
817 	    break;
818 	case ATA_SCONTROL:
819 	    reg = 2;
820 	    break;
821 	default:
822 	    return (EINVAL);
823 	}
824 	ATA_INTEL_LOCK(ctlr);
825 	pci_write_config(parent, 0xa0,
826 	    0x50 + smap[port] * 0x10 + reg * 4, 4);
827 	pci_write_config(parent, 0xa4, value, 4);
828 	ATA_INTEL_UNLOCK(ctlr);
829 	return (0);
830 }
831 
832 static int
833 ata_intel_sata_sidpr_write(device_t dev, int port, int reg, u_int32_t value)
834 {
835 	struct ata_pci_controller *ctlr;
836 	struct ata_channel *ch;
837 	device_t parent;
838 
839 	parent = device_get_parent(dev);
840 	ctlr = device_get_softc(parent);
841 	ch = device_get_softc(dev);
842 	port = (port == 1) ? 1 : 0;
843 	switch (reg) {
844 	case ATA_SSTATUS:
845 	    reg = 0;
846 	    break;
847 	case ATA_SCONTROL:
848 	    reg = 1;
849 	    break;
850 	case ATA_SERROR:
851 	    reg = 2;
852 	    break;
853 	default:
854 	    return (EINVAL);
855 	}
856 	ATA_INTEL_LOCK(ctlr);
857 	ATA_IDX_OUTL(ch, ATA_IDX_ADDR, ((ch->unit * 2 + port) << 8) + reg);
858 	ATA_IDX_OUTL(ch, ATA_IDX_DATA, value);
859 	ATA_INTEL_UNLOCK(ctlr);
860 	return (0);
861 }
862 
863 static int
864 ata_intel_sata_sidpr_test(device_t dev)
865 {
866 	struct ata_channel *ch = device_get_softc(dev);
867 	int port;
868 	uint32_t val;
869 
870 	port = (ch->flags & ATA_NO_SLAVE) ? 0 : 1;
871 	for (; port >= 0; port--) {
872 		ata_intel_sata_sidpr_read(dev, port, ATA_SCONTROL, &val);
873 		if ((val & ATA_SC_IPM_MASK) ==
874 		    (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))
875 			return (1);
876 		val |= ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER;
877 		ata_intel_sata_sidpr_write(dev, port, ATA_SCONTROL, val);
878 		ata_intel_sata_sidpr_read(dev, port, ATA_SCONTROL, &val);
879 		if ((val & ATA_SC_IPM_MASK) ==
880 		    (ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER))
881 			return (1);
882 	}
883 	if (bootverbose)
884 		device_printf(dev,
885 		    "SControl registers are not functional: %08x\n", val);
886 	return (0);
887 }
888 
889 static int
890 ata_intel_31244_ch_attach(device_t dev)
891 {
892     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
893     struct ata_channel *ch = device_get_softc(dev);
894     int i;
895     int ch_offset;
896 
897     ata_pci_dmainit(dev);
898 
899     ch_offset = 0x200 + ch->unit * 0x200;
900 
901     for (i = ATA_DATA; i < ATA_MAX_RES; i++)
902 	ch->r_io[i].res = ctlr->r_res2;
903 
904     /* setup ATA registers */
905     ch->r_io[ATA_DATA].offset = ch_offset + 0x00;
906     ch->r_io[ATA_FEATURE].offset = ch_offset + 0x06;
907     ch->r_io[ATA_COUNT].offset = ch_offset + 0x08;
908     ch->r_io[ATA_SECTOR].offset = ch_offset + 0x0c;
909     ch->r_io[ATA_CYL_LSB].offset = ch_offset + 0x10;
910     ch->r_io[ATA_CYL_MSB].offset = ch_offset + 0x14;
911     ch->r_io[ATA_DRIVE].offset = ch_offset + 0x18;
912     ch->r_io[ATA_COMMAND].offset = ch_offset + 0x1d;
913     ch->r_io[ATA_ERROR].offset = ch_offset + 0x04;
914     ch->r_io[ATA_STATUS].offset = ch_offset + 0x1c;
915     ch->r_io[ATA_ALTSTAT].offset = ch_offset + 0x28;
916     ch->r_io[ATA_CONTROL].offset = ch_offset + 0x29;
917 
918     /* setup DMA registers */
919     ch->r_io[ATA_SSTATUS].offset = ch_offset + 0x100;
920     ch->r_io[ATA_SERROR].offset = ch_offset + 0x104;
921     ch->r_io[ATA_SCONTROL].offset = ch_offset + 0x108;
922 
923     /* setup SATA registers */
924     ch->r_io[ATA_BMCMD_PORT].offset = ch_offset + 0x70;
925     ch->r_io[ATA_BMSTAT_PORT].offset = ch_offset + 0x72;
926     ch->r_io[ATA_BMDTP_PORT].offset = ch_offset + 0x74;
927 
928     ch->flags |= ATA_NO_SLAVE;
929     ch->flags |= ATA_SATA;
930     ata_pci_hw(dev);
931     ch->hw.status = ata_intel_31244_status;
932     ch->hw.tf_write = ata_intel_31244_tf_write;
933 
934     /* enable PHY state change interrupt */
935     ATA_OUTL(ctlr->r_res2, 0x4,
936 	     ATA_INL(ctlr->r_res2, 0x04) | (0x01 << (ch->unit << 3)));
937     return 0;
938 }
939 
940 static int
941 ata_intel_31244_ch_detach(device_t dev)
942 {
943 
944     ata_pci_dmafini(dev);
945     return (0);
946 }
947 
948 static int
949 ata_intel_31244_status(device_t dev)
950 {
951     /* do we have any PHY events ? */
952     ata_sata_phy_check_events(dev, -1);
953 
954     /* any drive action to take care of ? */
955     return ata_pci_status(dev);
956 }
957 
958 static void
959 ata_intel_31244_tf_write(struct ata_request *request)
960 {
961     struct ata_channel *ch = device_get_softc(request->parent);
962 
963     if (request->flags & ATA_R_48BIT) {
964 	ATA_IDX_OUTW(ch, ATA_FEATURE, request->u.ata.feature);
965 	ATA_IDX_OUTW(ch, ATA_COUNT, request->u.ata.count);
966 	ATA_IDX_OUTW(ch, ATA_SECTOR, ((request->u.ata.lba >> 16) & 0xff00) |
967 				      (request->u.ata.lba & 0x00ff));
968 	ATA_IDX_OUTW(ch, ATA_CYL_LSB, ((request->u.ata.lba >> 24) & 0xff00) |
969 				       ((request->u.ata.lba >> 8) & 0x00ff));
970 	ATA_IDX_OUTW(ch, ATA_CYL_MSB, ((request->u.ata.lba >> 32) & 0xff00) |
971 				       ((request->u.ata.lba >> 16) & 0x00ff));
972 	ATA_IDX_OUTW(ch, ATA_DRIVE, ATA_D_LBA | ATA_DEV(request->unit));
973     }
974     else {
975 	ATA_IDX_OUTB(ch, ATA_FEATURE, request->u.ata.feature);
976 	ATA_IDX_OUTB(ch, ATA_COUNT, request->u.ata.count);
977 	    ATA_IDX_OUTB(ch, ATA_SECTOR, request->u.ata.lba);
978 	    ATA_IDX_OUTB(ch, ATA_CYL_LSB, request->u.ata.lba >> 8);
979 	    ATA_IDX_OUTB(ch, ATA_CYL_MSB, request->u.ata.lba >> 16);
980 	    ATA_IDX_OUTB(ch, ATA_DRIVE,
981 			 ATA_D_IBM | ATA_D_LBA | ATA_DEV(request->unit) |
982 			 ((request->u.ata.lba >> 24) & 0x0f));
983     }
984 }
985 
986 static void
987 ata_intel_31244_reset(device_t dev)
988 {
989     struct ata_channel *ch = device_get_softc(dev);
990 
991     if (ata_sata_phy_reset(dev, -1, 1))
992 	ata_generic_reset(dev);
993     else
994 	ch->devices = 0;
995 }
996 
997 ATA_DECLARE_DRIVER(ata_intel);
998 MODULE_DEPEND(ata_intel, ata_ahci, 1, 1, 1);
999