xref: /freebsd/sys/dev/ata/chipsets/ata-nvidia.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification, immediately at the beginning of the file.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/param.h>
30 #include <sys/module.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/ata.h>
34 #include <sys/bus.h>
35 #include <sys/endian.h>
36 #include <sys/malloc.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39 #include <sys/sema.h>
40 #include <sys/taskqueue.h>
41 #include <vm/uma.h>
42 #include <machine/stdarg.h>
43 #include <machine/resource.h>
44 #include <machine/bus.h>
45 #include <sys/rman.h>
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48 #include <dev/ata/ata-all.h>
49 #include <dev/ata/ata-pci.h>
50 #include <ata_if.h>
51 
52 /* local prototypes */
53 static int ata_nvidia_chipinit(device_t dev);
54 static int ata_nvidia_ch_attach(device_t dev);
55 static int ata_nvidia_ch_attach_dumb(device_t dev);
56 static int ata_nvidia_status(device_t dev);
57 static void ata_nvidia_reset(device_t dev);
58 static int ata_nvidia_setmode(device_t dev, int target, int mode);
59 
60 /* misc defines */
61 #define NV4             0x01
62 #define NVQ             0x02
63 #define NVAHCI          0x04
64 
65 /*
66  * nVidia chipset support functions
67  */
68 static int
69 ata_nvidia_probe(device_t dev)
70 {
71     struct ata_pci_controller *ctlr = device_get_softc(dev);
72     static const struct ata_chip_id ids[] =
73     {{ ATA_NFORCE1,         0, 0,       0, ATA_UDMA5, "nForce" },
74      { ATA_NFORCE2,         0, 0,       0, ATA_UDMA6, "nForce2" },
75      { ATA_NFORCE2_PRO,     0, 0,       0, ATA_UDMA6, "nForce2 Pro" },
76      { ATA_NFORCE2_PRO_S1,  0, 0,       0, ATA_SA150, "nForce2 Pro" },
77      { ATA_NFORCE3,         0, 0,       0, ATA_UDMA6, "nForce3" },
78      { ATA_NFORCE3_PRO,     0, 0,       0, ATA_UDMA6, "nForce3 Pro" },
79      { ATA_NFORCE3_PRO_S1,  0, 0,       0, ATA_SA150, "nForce3 Pro" },
80      { ATA_NFORCE3_PRO_S2,  0, 0,       0, ATA_SA150, "nForce3 Pro" },
81      { ATA_NFORCE_MCP04,    0, 0,       0, ATA_UDMA6, "nForce MCP" },
82      { ATA_NFORCE_MCP04_S1, 0, NV4,     0, ATA_SA150, "nForce MCP" },
83      { ATA_NFORCE_MCP04_S2, 0, NV4,     0, ATA_SA150, "nForce MCP" },
84      { ATA_NFORCE_CK804,    0, 0,       0, ATA_UDMA6, "nForce CK804" },
85      { ATA_NFORCE_CK804_S1, 0, NV4,     0, ATA_SA300, "nForce CK804" },
86      { ATA_NFORCE_CK804_S2, 0, NV4,     0, ATA_SA300, "nForce CK804" },
87      { ATA_NFORCE_MCP51,    0, 0,       0, ATA_UDMA6, "nForce MCP51" },
88      { ATA_NFORCE_MCP51_S1, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP51" },
89      { ATA_NFORCE_MCP51_S2, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP51" },
90      { ATA_NFORCE_MCP55,    0, 0,       0, ATA_UDMA6, "nForce MCP55" },
91      { ATA_NFORCE_MCP55_S1, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP55" },
92      { ATA_NFORCE_MCP55_S2, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP55" },
93      { ATA_NFORCE_MCP61,    0, 0,       0, ATA_UDMA6, "nForce MCP61" },
94      { ATA_NFORCE_MCP61_S1, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP61" },
95      { ATA_NFORCE_MCP61_S2, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP61" },
96      { ATA_NFORCE_MCP61_S3, 0, NV4|NVQ, 0, ATA_SA300, "nForce MCP61" },
97      { ATA_NFORCE_MCP65,    0, 0,       0, ATA_UDMA6, "nForce MCP65" },
98      { ATA_NFORCE_MCP65_A0, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
99      { ATA_NFORCE_MCP65_A1, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
100      { ATA_NFORCE_MCP65_A2, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
101      { ATA_NFORCE_MCP65_A3, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
102      { ATA_NFORCE_MCP65_A4, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
103      { ATA_NFORCE_MCP65_A5, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
104      { ATA_NFORCE_MCP65_A6, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
105      { ATA_NFORCE_MCP65_A7, 0, NVAHCI,  0, ATA_SA300, "nForce MCP65" },
106      { ATA_NFORCE_MCP67,    0, 0,       0, ATA_UDMA6, "nForce MCP67" },
107      { ATA_NFORCE_MCP67_A0, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
108      { ATA_NFORCE_MCP67_A1, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
109      { ATA_NFORCE_MCP67_A2, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
110      { ATA_NFORCE_MCP67_A3, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
111      { ATA_NFORCE_MCP67_A4, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
112      { ATA_NFORCE_MCP67_A5, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
113      { ATA_NFORCE_MCP67_A6, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
114      { ATA_NFORCE_MCP67_A7, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
115      { ATA_NFORCE_MCP67_A8, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
116      { ATA_NFORCE_MCP67_A9, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
117      { ATA_NFORCE_MCP67_AA, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
118      { ATA_NFORCE_MCP67_AB, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
119      { ATA_NFORCE_MCP67_AC, 0, NVAHCI,  0, ATA_SA300, "nForce MCP67" },
120      { ATA_NFORCE_MCP73,    0, 0,       0, ATA_UDMA6, "nForce MCP73" },
121      { ATA_NFORCE_MCP73_A0, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
122      { ATA_NFORCE_MCP73_A1, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
123      { ATA_NFORCE_MCP73_A2, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
124      { ATA_NFORCE_MCP73_A3, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
125      { ATA_NFORCE_MCP73_A4, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
126      { ATA_NFORCE_MCP73_A5, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
127      { ATA_NFORCE_MCP73_A6, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
128      { ATA_NFORCE_MCP73_A7, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
129      { ATA_NFORCE_MCP73_A8, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
130      { ATA_NFORCE_MCP73_A9, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
131      { ATA_NFORCE_MCP73_AA, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
132      { ATA_NFORCE_MCP73_AB, 0, NVAHCI,  0, ATA_SA300, "nForce MCP73" },
133      { ATA_NFORCE_MCP77,    0, 0,       0, ATA_UDMA6, "nForce MCP77" },
134      { ATA_NFORCE_MCP77_A0, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
135      { ATA_NFORCE_MCP77_A1, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
136      { ATA_NFORCE_MCP77_A2, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
137      { ATA_NFORCE_MCP77_A3, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
138      { ATA_NFORCE_MCP77_A4, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
139      { ATA_NFORCE_MCP77_A5, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
140      { ATA_NFORCE_MCP77_A6, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
141      { ATA_NFORCE_MCP77_A7, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
142      { ATA_NFORCE_MCP77_A8, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
143      { ATA_NFORCE_MCP77_A9, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
144      { ATA_NFORCE_MCP77_AA, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
145      { ATA_NFORCE_MCP77_AB, 0, NVAHCI,  0, ATA_SA300, "nForce MCP77" },
146      { ATA_NFORCE_MCP79_A0, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
147      { ATA_NFORCE_MCP79_A1, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
148      { ATA_NFORCE_MCP79_A2, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
149      { ATA_NFORCE_MCP79_A3, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
150      { ATA_NFORCE_MCP79_A4, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
151      { ATA_NFORCE_MCP79_A5, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
152      { ATA_NFORCE_MCP79_A6, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
153      { ATA_NFORCE_MCP79_A7, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
154      { ATA_NFORCE_MCP79_A8, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
155      { ATA_NFORCE_MCP79_A9, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
156      { ATA_NFORCE_MCP79_AA, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
157      { ATA_NFORCE_MCP79_AB, 0, NVAHCI,  0, ATA_SA300, "nForce MCP79" },
158      { ATA_NFORCE_MCP89_A0, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
159      { ATA_NFORCE_MCP89_A1, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
160      { ATA_NFORCE_MCP89_A2, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
161      { ATA_NFORCE_MCP89_A3, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
162      { ATA_NFORCE_MCP89_A4, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
163      { ATA_NFORCE_MCP89_A5, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
164      { ATA_NFORCE_MCP89_A6, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
165      { ATA_NFORCE_MCP89_A7, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
166      { ATA_NFORCE_MCP89_A8, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
167      { ATA_NFORCE_MCP89_A9, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
168      { ATA_NFORCE_MCP89_AA, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
169      { ATA_NFORCE_MCP89_AB, 0, NVAHCI,  0, ATA_SA300, "nForce MCP89" },
170      { 0, 0, 0, 0, 0, 0}} ;
171 
172     if (pci_get_vendor(dev) != ATA_NVIDIA_ID)
173 	return ENXIO;
174 
175     if (!(ctlr->chip = ata_match_chip(dev, ids)))
176 	return ENXIO;
177 
178     if ((ctlr->chip->cfg1 & NVAHCI) &&
179 	    pci_get_subclass(dev) != PCIS_STORAGE_IDE)
180 	return (ENXIO);
181 
182     ata_set_desc(dev);
183     ctlr->chipinit = ata_nvidia_chipinit;
184     return (BUS_PROBE_LOW_PRIORITY);
185 }
186 
187 static int
188 ata_nvidia_chipinit(device_t dev)
189 {
190     struct ata_pci_controller *ctlr = device_get_softc(dev);
191 
192     if (ata_setup_interrupt(dev, ata_generic_intr))
193 	return ENXIO;
194 
195     if (ctlr->chip->cfg1 & NVAHCI) {
196 	ctlr->ch_attach = ata_nvidia_ch_attach_dumb;
197 	ctlr->setmode = ata_sata_setmode;
198     } else if (ctlr->chip->max_dma >= ATA_SA150) {
199 	if (pci_read_config(dev, PCIR_BAR(5), 1) & 1)
200 	    ctlr->r_type2 = SYS_RES_IOPORT;
201 	else
202 	    ctlr->r_type2 = SYS_RES_MEMORY;
203 	ctlr->r_rid2 = PCIR_BAR(5);
204 	if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
205 						   &ctlr->r_rid2, RF_ACTIVE))) {
206 	    int offset = ctlr->chip->cfg1 & NV4 ? 0x0440 : 0x0010;
207 
208 	    ctlr->ch_attach = ata_nvidia_ch_attach;
209 	    ctlr->ch_detach = ata_pci_ch_detach;
210 	    ctlr->reset = ata_nvidia_reset;
211 
212 	    /* enable control access */
213 	    pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 1) | 0x04,1);
214 	    /* MCP55 seems to need some time to allow r_res2 read. */
215 	    DELAY(10);
216 	    if (ctlr->chip->cfg1 & NVQ) {
217 		/* clear interrupt status */
218 		ATA_OUTL(ctlr->r_res2, offset, 0x00ff00ff);
219 
220 		/* enable device and PHY state change interrupts */
221 		ATA_OUTL(ctlr->r_res2, offset + 4, 0x000d000d);
222 
223 		/* disable NCQ support */
224 		ATA_OUTL(ctlr->r_res2, 0x0400,
225 			 ATA_INL(ctlr->r_res2, 0x0400) & 0xfffffff9);
226 	    }
227 	    else {
228 		/* clear interrupt status */
229 		ATA_OUTB(ctlr->r_res2, offset, 0xff);
230 
231 		/* enable device and PHY state change interrupts */
232 		ATA_OUTB(ctlr->r_res2, offset + 1, 0xdd);
233 	    }
234 	}
235 	ctlr->setmode = ata_sata_setmode;
236 	ctlr->getrev = ata_sata_getrev;
237     }
238     else {
239 	/* disable prefetch, postwrite */
240 	pci_write_config(dev, 0x51, pci_read_config(dev, 0x51, 1) & 0x0f, 1);
241 	ctlr->setmode = ata_nvidia_setmode;
242     }
243     return 0;
244 }
245 
246 static int
247 ata_nvidia_ch_attach(device_t dev)
248 {
249     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
250     struct ata_channel *ch = device_get_softc(dev);
251 
252     /* setup the usual register normal pci style */
253     if (ata_pci_ch_attach(dev))
254 	return ENXIO;
255 
256     ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
257     ch->r_io[ATA_SSTATUS].offset = (ch->unit << 6);
258     ch->r_io[ATA_SERROR].res = ctlr->r_res2;
259     ch->r_io[ATA_SERROR].offset = 0x04 + (ch->unit << 6);
260     ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
261     ch->r_io[ATA_SCONTROL].offset = 0x08 + (ch->unit << 6);
262 
263     ch->hw.status = ata_nvidia_status;
264     ch->flags |= ATA_NO_SLAVE;
265     ch->flags |= ATA_SATA;
266     return 0;
267 }
268 
269 static int
270 ata_nvidia_ch_attach_dumb(device_t dev)
271 {
272     struct ata_channel *ch = device_get_softc(dev);
273 
274     if (ata_pci_ch_attach(dev))
275 	return ENXIO;
276     ch->flags |= ATA_SATA;
277     return 0;
278 }
279 
280 static int
281 ata_nvidia_status(device_t dev)
282 {
283     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
284     struct ata_channel *ch = device_get_softc(dev);
285     int offset = ctlr->chip->cfg1 & NV4 ? 0x0440 : 0x0010;
286     int shift = ch->unit << (ctlr->chip->cfg1 & NVQ ? 4 : 2);
287     u_int32_t istatus;
288 
289     /* get interrupt status */
290     if (ctlr->chip->cfg1 & NVQ)
291 	istatus = ATA_INL(ctlr->r_res2, offset);
292     else
293 	istatus = ATA_INB(ctlr->r_res2, offset);
294 
295     /* do we have any PHY events ? */
296     if (istatus & (0x0c << shift))
297 	ata_sata_phy_check_events(dev, -1);
298 
299     /* clear interrupt(s) */
300     if (ctlr->chip->cfg1 & NVQ)
301 	ATA_OUTL(ctlr->r_res2, offset, (0x0f << shift) | 0x00f000f0);
302     else
303 	ATA_OUTB(ctlr->r_res2, offset, (0x0f << shift));
304 
305     /* do we have any device action ? */
306     return (istatus & (0x01 << shift));
307 }
308 
309 static void
310 ata_nvidia_reset(device_t dev)
311 {
312     struct ata_channel *ch = device_get_softc(dev);
313 
314     if (ata_sata_phy_reset(dev, -1, 1))
315 	ata_generic_reset(dev);
316     else
317 	ch->devices = 0;
318 }
319 
320 static int
321 ata_nvidia_setmode(device_t dev, int target, int mode)
322 {
323 	device_t parent = device_get_parent(dev);
324 	struct ata_pci_controller *ctlr = device_get_softc(parent);
325 	struct ata_channel *ch = device_get_softc(dev);
326 	int devno = (ch->unit << 1) + target;
327 	int piomode;
328 	static const uint8_t timings[] =
329 	    { 0xa8, 0x65, 0x42, 0x22, 0x20, 0xa8, 0x22, 0x20 };
330 	static const uint8_t modes[] =
331 	    { 0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6, 0xc7 };
332 	int reg = 0x63 - devno;
333 
334 	mode = min(mode, ctlr->chip->max_dma);
335 
336 	if (mode >= ATA_UDMA0) {
337 	    pci_write_config(parent, reg, modes[mode & ATA_MODE_MASK], 1);
338 	    piomode = ATA_PIO4;
339 	} else {
340 	    pci_write_config(parent, reg, 0x8b, 1);
341 	    piomode = mode;
342 	}
343 	pci_write_config(parent, reg - 0x08, timings[ata_mode2idx(piomode)], 1);
344 	return (mode);
345 }
346 
347 ATA_DECLARE_DRIVER(ata_nvidia);
348