xref: /freebsd/sys/dev/ata/chipsets/ata-sis.c (revision 4b9d6057)
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_sis_chipinit(device_t dev);
54 static int ata_sis_ch_attach(device_t dev);
55 static void ata_sis_reset(device_t dev);
56 static int ata_sis_setmode(device_t dev, int target, int mode);
57 
58 /* misc defines */
59 #define SIS_33		1
60 #define SIS_66		2
61 #define SIS_100NEW	3
62 #define SIS_100OLD	4
63 #define SIS_133NEW	5
64 #define SIS_133OLD	6
65 #define SIS_SATA	7
66 
67 /*
68  * Silicon Integrated Systems Corp. (SiS) chipset support functions
69  */
70 static int
71 ata_sis_probe(device_t dev)
72 {
73     struct ata_pci_controller *ctlr = device_get_softc(dev);
74     const struct ata_chip_id *idx;
75     static const struct ata_chip_id ids[] =
76     {{ ATA_SIS182,  0x00, SIS_SATA,   0, ATA_SA150, "182" }, /* south */
77      { ATA_SIS181,  0x00, SIS_SATA,   0, ATA_SA150, "181" }, /* south */
78      { ATA_SIS180,  0x00, SIS_SATA,   0, ATA_SA150, "180" }, /* south */
79      { ATA_SIS965,  0x00, SIS_133NEW, 0, ATA_UDMA6, "965" }, /* south */
80      { ATA_SIS964,  0x00, SIS_133NEW, 0, ATA_UDMA6, "964" }, /* south */
81      { ATA_SIS963,  0x00, SIS_133NEW, 0, ATA_UDMA6, "963" }, /* south */
82      { ATA_SIS962,  0x00, SIS_133NEW, 0, ATA_UDMA6, "962" }, /* south */
83 
84      { ATA_SIS745,  0x00, SIS_100NEW, 0, ATA_UDMA5, "745" }, /* 1chip */
85      { ATA_SIS735,  0x00, SIS_100NEW, 0, ATA_UDMA5, "735" }, /* 1chip */
86      { ATA_SIS733,  0x00, SIS_100NEW, 0, ATA_UDMA5, "733" }, /* 1chip */
87      { ATA_SIS730,  0x00, SIS_100OLD, 0, ATA_UDMA5, "730" }, /* 1chip */
88 
89      { ATA_SIS635,  0x00, SIS_100NEW, 0, ATA_UDMA5, "635" }, /* 1chip */
90      { ATA_SIS633,  0x00, SIS_100NEW, 0, ATA_UDMA5, "633" }, /* unknown */
91      { ATA_SIS630,  0x30, SIS_100OLD, 0, ATA_UDMA5, "630S"}, /* 1chip */
92      { ATA_SIS630,  0x00, SIS_66,     0, ATA_UDMA4, "630" }, /* 1chip */
93      { ATA_SIS620,  0x00, SIS_66,     0, ATA_UDMA4, "620" }, /* 1chip */
94 
95      { ATA_SIS550,  0x00, SIS_66,     0, ATA_UDMA5, "550" },
96      { ATA_SIS540,  0x00, SIS_66,     0, ATA_UDMA4, "540" },
97      { ATA_SIS530,  0x00, SIS_66,     0, ATA_UDMA4, "530" },
98 
99      { ATA_SIS5513, 0xc2, SIS_33,     1, ATA_UDMA2, "5513" },
100      { ATA_SIS5513, 0x00, SIS_33,     1, ATA_WDMA2, "5513" },
101      { 0, 0, 0, 0, 0, 0 }};
102     static struct ata_chip_id id[] =
103     {{ ATA_SISSOUTH, 0x10, 0, 0, 0, "" }, { 0, 0, 0, 0, 0, 0 }};
104     char buffer[64];
105     int found = 0;
106 
107     if (pci_get_class(dev) != PCIC_STORAGE)
108 	return (ENXIO);
109 
110     if (pci_get_vendor(dev) != ATA_SIS_ID)
111 	return ENXIO;
112 
113     if (!(idx = ata_find_chip(dev, ids, -pci_get_slot(dev))))
114 	return ENXIO;
115 
116     if (idx->cfg2) {
117 	u_int8_t reg57 = pci_read_config(dev, 0x57, 1);
118 
119 	pci_write_config(dev, 0x57, (reg57 & 0x7f), 1);
120 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5518) {
121 	    found = 1;
122     	    memcpy(&id[0], idx, sizeof(id[0]));
123 	    id[0].cfg1 = SIS_133NEW;
124 	    id[0].max_dma = ATA_UDMA6;
125 	    sprintf(buffer, "SiS 962/963 %s controller",
126 		    ata_mode2str(idx->max_dma));
127 	}
128 	pci_write_config(dev, 0x57, reg57, 1);
129     }
130     if (idx->cfg2 && !found) {
131 	u_int8_t reg4a = pci_read_config(dev, 0x4a, 1);
132 
133 	pci_write_config(dev, 0x4a, (reg4a | 0x10), 1);
134 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5517) {
135 	    found = 1;
136 	    if (ata_find_chip(dev, id, pci_get_slot(dev))) {
137 		id[0].cfg1 = SIS_133OLD;
138 		id[0].max_dma = ATA_UDMA6;
139 	    } else {
140 		id[0].cfg1 = SIS_100NEW;
141 		id[0].max_dma = ATA_UDMA5;
142 	    }
143 	    sprintf(buffer, "SiS 961 %s controller",ata_mode2str(idx->max_dma));
144 	}
145 	pci_write_config(dev, 0x4a, reg4a, 1);
146     }
147     if (!found)
148 	sprintf(buffer,"SiS %s %s controller",
149 		idx->text, ata_mode2str(idx->max_dma));
150     else
151 	idx = &id[0];
152 
153     device_set_desc_copy(dev, buffer);
154     ctlr->chip = idx;
155     ctlr->chipinit = ata_sis_chipinit;
156     return (BUS_PROBE_LOW_PRIORITY);
157 }
158 
159 static int
160 ata_sis_chipinit(device_t dev)
161 {
162     struct ata_pci_controller *ctlr = device_get_softc(dev);
163 
164     if (ata_setup_interrupt(dev, ata_generic_intr))
165 	return ENXIO;
166 
167     switch (ctlr->chip->cfg1) {
168     case SIS_33:
169 	break;
170     case SIS_66:
171     case SIS_100OLD:
172 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 1) & ~0x04, 1);
173 	break;
174     case SIS_100NEW:
175     case SIS_133OLD:
176 	pci_write_config(dev, 0x49, pci_read_config(dev, 0x49, 1) & ~0x01, 1);
177 	break;
178     case SIS_133NEW:
179 	pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 2) | 0x0008, 2);
180 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 2) | 0x0008, 2);
181 	break;
182     case SIS_SATA:
183 	ctlr->r_type2 = SYS_RES_IOPORT;
184 	ctlr->r_rid2 = PCIR_BAR(5);
185 	if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
186 						   &ctlr->r_rid2, RF_ACTIVE))) {
187 	    ctlr->ch_attach = ata_sis_ch_attach;
188 	    ctlr->ch_detach = ata_pci_ch_detach;
189 	    ctlr->reset = ata_sis_reset;
190 	}
191 	ctlr->setmode = ata_sata_setmode;
192 	ctlr->getrev = ata_sata_getrev;
193 	return 0;
194     default:
195 	return ENXIO;
196     }
197     ctlr->setmode = ata_sis_setmode;
198     return 0;
199 }
200 
201 static int
202 ata_sis_ch_attach(device_t dev)
203 {
204     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
205     struct ata_channel *ch = device_get_softc(dev);
206     int offset = ch->unit << ((ctlr->chip->chipid == ATA_SIS182) ? 5 : 6);
207 
208     /* setup the usual register normal pci style */
209     if (ata_pci_ch_attach(dev))
210 	return ENXIO;
211 
212     ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
213     ch->r_io[ATA_SSTATUS].offset = 0x00 + offset;
214     ch->r_io[ATA_SERROR].res = ctlr->r_res2;
215     ch->r_io[ATA_SERROR].offset = 0x04 + offset;
216     ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
217     ch->r_io[ATA_SCONTROL].offset = 0x08 + offset;
218     ch->flags |= ATA_NO_SLAVE;
219     ch->flags |= ATA_SATA;
220 
221     /* XXX SOS PHY hotplug handling missing in SiS chip ?? */
222     /* XXX SOS unknown how to enable PHY state change interrupt */
223     return 0;
224 }
225 
226 static void
227 ata_sis_reset(device_t dev)
228 {
229     struct ata_channel *ch = device_get_softc(dev);
230 
231     if (ata_sata_phy_reset(dev, -1, 1))
232 	ata_generic_reset(dev);
233     else
234 	ch->devices = 0;
235 }
236 
237 static int
238 ata_sis_setmode(device_t dev, int target, int mode)
239 {
240 	device_t parent = device_get_parent(dev);
241 	struct ata_pci_controller *ctlr = device_get_softc(parent);
242 	struct ata_channel *ch = device_get_softc(dev);
243 	int devno = (ch->unit << 1) + target;
244 
245 	mode = min(mode, ctlr->chip->max_dma);
246 
247 	if (ctlr->chip->cfg1 == SIS_133NEW) {
248 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
249 		        pci_read_config(parent, ch->unit ? 0x52 : 0x50,2) & 0x8000) {
250 		        ata_print_cable(dev, "controller");
251 		        mode = ATA_UDMA2;
252 		}
253 	} else {
254 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
255 		    pci_read_config(parent, 0x48, 1)&(ch->unit ? 0x20 : 0x10)) {
256 		    ata_print_cable(dev, "controller");
257 		    mode = ATA_UDMA2;
258 		}
259         }
260 
261 	switch (ctlr->chip->cfg1) {
262 	case SIS_133NEW: {
263 	    static const uint32_t timings[] =
264 		{ 0x28269008, 0x0c266008, 0x04263008, 0x0c0a3008, 0x05093008,
265 		  0x22196008, 0x0c0a3008, 0x05093008, 0x050939fc, 0x050936ac,
266 		  0x0509347c, 0x0509325c, 0x0509323c, 0x0509322c, 0x0509321c};
267 	    u_int32_t reg;
268 
269 	    reg = (pci_read_config(parent, 0x57, 1)&0x40?0x70:0x40)+(devno<<2);
270 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 4);
271 	    break;
272 	    }
273 	case SIS_133OLD: {
274 	    static const uint16_t timings[] =
275 	     { 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 0x0031,
276 	       0x8f31, 0x8a31, 0x8731, 0x8531, 0x8331, 0x8231, 0x8131 };
277 
278 	    u_int16_t reg = 0x40 + (devno << 1);
279 
280 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
281 	    break;
282 	    }
283 	case SIS_100NEW: {
284 	    static const uint16_t timings[] =
285 		{ 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033,
286 		  0x0031, 0x8b31, 0x8731, 0x8531, 0x8431, 0x8231, 0x8131 };
287 	    u_int16_t reg = 0x40 + (devno << 1);
288 
289 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
290 	    break;
291 	    }
292 	case SIS_100OLD:
293 	case SIS_66:
294 	case SIS_33: {
295 	    static const uint16_t timings[] =
296 		{ 0x0c0b, 0x0607, 0x0404, 0x0303, 0x0301, 0x0404, 0x0303,
297 		  0x0301, 0xf301, 0xd301, 0xb301, 0xa301, 0x9301, 0x8301 };
298 	    u_int16_t reg = 0x40 + (devno << 1);
299 
300 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
301 	    break;
302 	    }
303 	}
304 	return (mode);
305 }
306 
307 ATA_DECLARE_DRIVER(ata_sis);
308