xref: /freebsd/sys/dev/ata/chipsets/ata-sis.c (revision b0b1dbdd)
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_sis_chipinit(device_t dev);
55 static int ata_sis_ch_attach(device_t dev);
56 static void ata_sis_reset(device_t dev);
57 static int ata_sis_setmode(device_t dev, int target, int mode);
58 
59 /* misc defines */
60 #define SIS_33		1
61 #define SIS_66		2
62 #define SIS_100NEW	3
63 #define SIS_100OLD	4
64 #define SIS_133NEW	5
65 #define SIS_133OLD	6
66 #define SIS_SATA	7
67 
68 /*
69  * Silicon Integrated Systems Corp. (SiS) chipset support functions
70  */
71 static int
72 ata_sis_probe(device_t dev)
73 {
74     struct ata_pci_controller *ctlr = device_get_softc(dev);
75     const struct ata_chip_id *idx;
76     static const struct ata_chip_id ids[] =
77     {{ ATA_SIS182,  0x00, SIS_SATA,   0, ATA_SA150, "182" }, /* south */
78      { ATA_SIS181,  0x00, SIS_SATA,   0, ATA_SA150, "181" }, /* south */
79      { ATA_SIS180,  0x00, SIS_SATA,   0, ATA_SA150, "180" }, /* south */
80      { ATA_SIS965,  0x00, SIS_133NEW, 0, ATA_UDMA6, "965" }, /* south */
81      { ATA_SIS964,  0x00, SIS_133NEW, 0, ATA_UDMA6, "964" }, /* south */
82      { ATA_SIS963,  0x00, SIS_133NEW, 0, ATA_UDMA6, "963" }, /* south */
83      { ATA_SIS962,  0x00, SIS_133NEW, 0, ATA_UDMA6, "962" }, /* south */
84 
85      { ATA_SIS745,  0x00, SIS_100NEW, 0, ATA_UDMA5, "745" }, /* 1chip */
86      { ATA_SIS735,  0x00, SIS_100NEW, 0, ATA_UDMA5, "735" }, /* 1chip */
87      { ATA_SIS733,  0x00, SIS_100NEW, 0, ATA_UDMA5, "733" }, /* 1chip */
88      { ATA_SIS730,  0x00, SIS_100OLD, 0, ATA_UDMA5, "730" }, /* 1chip */
89 
90      { ATA_SIS635,  0x00, SIS_100NEW, 0, ATA_UDMA5, "635" }, /* 1chip */
91      { ATA_SIS633,  0x00, SIS_100NEW, 0, ATA_UDMA5, "633" }, /* unknown */
92      { ATA_SIS630,  0x30, SIS_100OLD, 0, ATA_UDMA5, "630S"}, /* 1chip */
93      { ATA_SIS630,  0x00, SIS_66,     0, ATA_UDMA4, "630" }, /* 1chip */
94      { ATA_SIS620,  0x00, SIS_66,     0, ATA_UDMA4, "620" }, /* 1chip */
95 
96      { ATA_SIS550,  0x00, SIS_66,     0, ATA_UDMA5, "550" },
97      { ATA_SIS540,  0x00, SIS_66,     0, ATA_UDMA4, "540" },
98      { ATA_SIS530,  0x00, SIS_66,     0, ATA_UDMA4, "530" },
99 
100      { ATA_SIS5513, 0xc2, SIS_33,     1, ATA_UDMA2, "5513" },
101      { ATA_SIS5513, 0x00, SIS_33,     1, ATA_WDMA2, "5513" },
102      { 0, 0, 0, 0, 0, 0 }};
103     static struct ata_chip_id id[] =
104     {{ ATA_SISSOUTH, 0x10, 0, 0, 0, "" }, { 0, 0, 0, 0, 0, 0 }};
105     char buffer[64];
106     int found = 0;
107 
108     if (pci_get_class(dev) != PCIC_STORAGE)
109 	return (ENXIO);
110 
111     if (pci_get_vendor(dev) != ATA_SIS_ID)
112 	return ENXIO;
113 
114     if (!(idx = ata_find_chip(dev, ids, -pci_get_slot(dev))))
115 	return ENXIO;
116 
117     if (idx->cfg2) {
118 	u_int8_t reg57 = pci_read_config(dev, 0x57, 1);
119 
120 	pci_write_config(dev, 0x57, (reg57 & 0x7f), 1);
121 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5518) {
122 	    found = 1;
123     	    memcpy(&id[0], idx, sizeof(id[0]));
124 	    id[0].cfg1 = SIS_133NEW;
125 	    id[0].max_dma = ATA_UDMA6;
126 	    sprintf(buffer, "SiS 962/963 %s controller",
127 		    ata_mode2str(idx->max_dma));
128 	}
129 	pci_write_config(dev, 0x57, reg57, 1);
130     }
131     if (idx->cfg2 && !found) {
132 	u_int8_t reg4a = pci_read_config(dev, 0x4a, 1);
133 
134 	pci_write_config(dev, 0x4a, (reg4a | 0x10), 1);
135 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5517) {
136 	    found = 1;
137 	    if (ata_find_chip(dev, id, pci_get_slot(dev))) {
138 		id[0].cfg1 = SIS_133OLD;
139 		id[0].max_dma = ATA_UDMA6;
140 	    } else {
141 		id[0].cfg1 = SIS_100NEW;
142 		id[0].max_dma = ATA_UDMA5;
143 	    }
144 	    sprintf(buffer, "SiS 961 %s controller",ata_mode2str(idx->max_dma));
145 	}
146 	pci_write_config(dev, 0x4a, reg4a, 1);
147     }
148     if (!found)
149 	sprintf(buffer,"SiS %s %s controller",
150 		idx->text, ata_mode2str(idx->max_dma));
151     else
152 	idx = &id[0];
153 
154     device_set_desc_copy(dev, buffer);
155     ctlr->chip = idx;
156     ctlr->chipinit = ata_sis_chipinit;
157     return (BUS_PROBE_LOW_PRIORITY);
158 }
159 
160 static int
161 ata_sis_chipinit(device_t dev)
162 {
163     struct ata_pci_controller *ctlr = device_get_softc(dev);
164 
165     if (ata_setup_interrupt(dev, ata_generic_intr))
166 	return ENXIO;
167 
168     switch (ctlr->chip->cfg1) {
169     case SIS_33:
170 	break;
171     case SIS_66:
172     case SIS_100OLD:
173 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 1) & ~0x04, 1);
174 	break;
175     case SIS_100NEW:
176     case SIS_133OLD:
177 	pci_write_config(dev, 0x49, pci_read_config(dev, 0x49, 1) & ~0x01, 1);
178 	break;
179     case SIS_133NEW:
180 	pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 2) | 0x0008, 2);
181 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 2) | 0x0008, 2);
182 	break;
183     case SIS_SATA:
184 	ctlr->r_type2 = SYS_RES_IOPORT;
185 	ctlr->r_rid2 = PCIR_BAR(5);
186 	if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
187 						   &ctlr->r_rid2, RF_ACTIVE))) {
188 	    ctlr->ch_attach = ata_sis_ch_attach;
189 	    ctlr->ch_detach = ata_pci_ch_detach;
190 	    ctlr->reset = ata_sis_reset;
191 	}
192 	ctlr->setmode = ata_sata_setmode;
193 	ctlr->getrev = ata_sata_getrev;
194 	return 0;
195     default:
196 	return ENXIO;
197     }
198     ctlr->setmode = ata_sis_setmode;
199     return 0;
200 }
201 
202 static int
203 ata_sis_ch_attach(device_t dev)
204 {
205     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
206     struct ata_channel *ch = device_get_softc(dev);
207     int offset = ch->unit << ((ctlr->chip->chipid == ATA_SIS182) ? 5 : 6);
208 
209     /* setup the usual register normal pci style */
210     if (ata_pci_ch_attach(dev))
211 	return ENXIO;
212 
213     ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
214     ch->r_io[ATA_SSTATUS].offset = 0x00 + offset;
215     ch->r_io[ATA_SERROR].res = ctlr->r_res2;
216     ch->r_io[ATA_SERROR].offset = 0x04 + offset;
217     ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
218     ch->r_io[ATA_SCONTROL].offset = 0x08 + offset;
219     ch->flags |= ATA_NO_SLAVE;
220     ch->flags |= ATA_SATA;
221 
222     /* XXX SOS PHY hotplug handling missing in SiS chip ?? */
223     /* XXX SOS unknown how to enable PHY state change interrupt */
224     return 0;
225 }
226 
227 static void
228 ata_sis_reset(device_t dev)
229 {
230     struct ata_channel *ch = device_get_softc(dev);
231 
232     if (ata_sata_phy_reset(dev, -1, 1))
233 	ata_generic_reset(dev);
234     else
235 	ch->devices = 0;
236 }
237 
238 static int
239 ata_sis_setmode(device_t dev, int target, int mode)
240 {
241 	device_t parent = device_get_parent(dev);
242 	struct ata_pci_controller *ctlr = device_get_softc(parent);
243 	struct ata_channel *ch = device_get_softc(dev);
244 	int devno = (ch->unit << 1) + target;
245 
246 	mode = min(mode, ctlr->chip->max_dma);
247 
248 	if (ctlr->chip->cfg1 == SIS_133NEW) {
249 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
250 		        pci_read_config(parent, ch->unit ? 0x52 : 0x50,2) & 0x8000) {
251 		        ata_print_cable(dev, "controller");
252 		        mode = ATA_UDMA2;
253 		}
254 	} else {
255 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
256 		    pci_read_config(parent, 0x48, 1)&(ch->unit ? 0x20 : 0x10)) {
257 		    ata_print_cable(dev, "controller");
258 		    mode = ATA_UDMA2;
259 		}
260         }
261 
262 	switch (ctlr->chip->cfg1) {
263 	case SIS_133NEW: {
264 	    static const uint32_t timings[] =
265 		{ 0x28269008, 0x0c266008, 0x04263008, 0x0c0a3008, 0x05093008,
266 		  0x22196008, 0x0c0a3008, 0x05093008, 0x050939fc, 0x050936ac,
267 		  0x0509347c, 0x0509325c, 0x0509323c, 0x0509322c, 0x0509321c};
268 	    u_int32_t reg;
269 
270 	    reg = (pci_read_config(parent, 0x57, 1)&0x40?0x70:0x40)+(devno<<2);
271 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 4);
272 	    break;
273 	    }
274 	case SIS_133OLD: {
275 	    static const uint16_t timings[] =
276 	     { 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 0x0031,
277 	       0x8f31, 0x8a31, 0x8731, 0x8531, 0x8331, 0x8231, 0x8131 };
278 
279 	    u_int16_t reg = 0x40 + (devno << 1);
280 
281 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
282 	    break;
283 	    }
284 	case SIS_100NEW: {
285 	    static const uint16_t timings[] =
286 		{ 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033,
287 		  0x0031, 0x8b31, 0x8731, 0x8531, 0x8431, 0x8231, 0x8131 };
288 	    u_int16_t reg = 0x40 + (devno << 1);
289 
290 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
291 	    break;
292 	    }
293 	case SIS_100OLD:
294 	case SIS_66:
295 	case SIS_33: {
296 	    static const uint16_t timings[] =
297 		{ 0x0c0b, 0x0607, 0x0404, 0x0303, 0x0301, 0x0404, 0x0303,
298 		  0x0301, 0xf301, 0xd301, 0xb301, 0xa301, 0x9301, 0x8301 };
299 	    u_int16_t reg = 0x40 + (devno << 1);
300 
301 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
302 	    break;
303 	    }
304 	}
305 	return (mode);
306 }
307 
308 ATA_DECLARE_DRIVER(ata_sis);
309