xref: /freebsd/sys/dev/ata/chipsets/ata-sis.c (revision ebacd8013fe5f7fdf9f6a5b286f6680dd2891036)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/module.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/ata.h>
37 #include <sys/bus.h>
38 #include <sys/endian.h>
39 #include <sys/malloc.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/sema.h>
43 #include <sys/taskqueue.h>
44 #include <vm/uma.h>
45 #include <machine/stdarg.h>
46 #include <machine/resource.h>
47 #include <machine/bus.h>
48 #include <sys/rman.h>
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pcireg.h>
51 #include <dev/ata/ata-all.h>
52 #include <dev/ata/ata-pci.h>
53 #include <ata_if.h>
54 
55 /* local prototypes */
56 static int ata_sis_chipinit(device_t dev);
57 static int ata_sis_ch_attach(device_t dev);
58 static void ata_sis_reset(device_t dev);
59 static int ata_sis_setmode(device_t dev, int target, int mode);
60 
61 /* misc defines */
62 #define SIS_33		1
63 #define SIS_66		2
64 #define SIS_100NEW	3
65 #define SIS_100OLD	4
66 #define SIS_133NEW	5
67 #define SIS_133OLD	6
68 #define SIS_SATA	7
69 
70 /*
71  * Silicon Integrated Systems Corp. (SiS) chipset support functions
72  */
73 static int
74 ata_sis_probe(device_t dev)
75 {
76     struct ata_pci_controller *ctlr = device_get_softc(dev);
77     const struct ata_chip_id *idx;
78     static const struct ata_chip_id ids[] =
79     {{ ATA_SIS182,  0x00, SIS_SATA,   0, ATA_SA150, "182" }, /* south */
80      { ATA_SIS181,  0x00, SIS_SATA,   0, ATA_SA150, "181" }, /* south */
81      { ATA_SIS180,  0x00, SIS_SATA,   0, ATA_SA150, "180" }, /* south */
82      { ATA_SIS965,  0x00, SIS_133NEW, 0, ATA_UDMA6, "965" }, /* south */
83      { ATA_SIS964,  0x00, SIS_133NEW, 0, ATA_UDMA6, "964" }, /* south */
84      { ATA_SIS963,  0x00, SIS_133NEW, 0, ATA_UDMA6, "963" }, /* south */
85      { ATA_SIS962,  0x00, SIS_133NEW, 0, ATA_UDMA6, "962" }, /* south */
86 
87      { ATA_SIS745,  0x00, SIS_100NEW, 0, ATA_UDMA5, "745" }, /* 1chip */
88      { ATA_SIS735,  0x00, SIS_100NEW, 0, ATA_UDMA5, "735" }, /* 1chip */
89      { ATA_SIS733,  0x00, SIS_100NEW, 0, ATA_UDMA5, "733" }, /* 1chip */
90      { ATA_SIS730,  0x00, SIS_100OLD, 0, ATA_UDMA5, "730" }, /* 1chip */
91 
92      { ATA_SIS635,  0x00, SIS_100NEW, 0, ATA_UDMA5, "635" }, /* 1chip */
93      { ATA_SIS633,  0x00, SIS_100NEW, 0, ATA_UDMA5, "633" }, /* unknown */
94      { ATA_SIS630,  0x30, SIS_100OLD, 0, ATA_UDMA5, "630S"}, /* 1chip */
95      { ATA_SIS630,  0x00, SIS_66,     0, ATA_UDMA4, "630" }, /* 1chip */
96      { ATA_SIS620,  0x00, SIS_66,     0, ATA_UDMA4, "620" }, /* 1chip */
97 
98      { ATA_SIS550,  0x00, SIS_66,     0, ATA_UDMA5, "550" },
99      { ATA_SIS540,  0x00, SIS_66,     0, ATA_UDMA4, "540" },
100      { ATA_SIS530,  0x00, SIS_66,     0, ATA_UDMA4, "530" },
101 
102      { ATA_SIS5513, 0xc2, SIS_33,     1, ATA_UDMA2, "5513" },
103      { ATA_SIS5513, 0x00, SIS_33,     1, ATA_WDMA2, "5513" },
104      { 0, 0, 0, 0, 0, 0 }};
105     static struct ata_chip_id id[] =
106     {{ ATA_SISSOUTH, 0x10, 0, 0, 0, "" }, { 0, 0, 0, 0, 0, 0 }};
107     char buffer[64];
108     int found = 0;
109 
110     if (pci_get_class(dev) != PCIC_STORAGE)
111 	return (ENXIO);
112 
113     if (pci_get_vendor(dev) != ATA_SIS_ID)
114 	return ENXIO;
115 
116     if (!(idx = ata_find_chip(dev, ids, -pci_get_slot(dev))))
117 	return ENXIO;
118 
119     if (idx->cfg2) {
120 	u_int8_t reg57 = pci_read_config(dev, 0x57, 1);
121 
122 	pci_write_config(dev, 0x57, (reg57 & 0x7f), 1);
123 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5518) {
124 	    found = 1;
125     	    memcpy(&id[0], idx, sizeof(id[0]));
126 	    id[0].cfg1 = SIS_133NEW;
127 	    id[0].max_dma = ATA_UDMA6;
128 	    sprintf(buffer, "SiS 962/963 %s controller",
129 		    ata_mode2str(idx->max_dma));
130 	}
131 	pci_write_config(dev, 0x57, reg57, 1);
132     }
133     if (idx->cfg2 && !found) {
134 	u_int8_t reg4a = pci_read_config(dev, 0x4a, 1);
135 
136 	pci_write_config(dev, 0x4a, (reg4a | 0x10), 1);
137 	if (pci_read_config(dev, PCIR_DEVVENDOR, 4) == ATA_SIS5517) {
138 	    found = 1;
139 	    if (ata_find_chip(dev, id, pci_get_slot(dev))) {
140 		id[0].cfg1 = SIS_133OLD;
141 		id[0].max_dma = ATA_UDMA6;
142 	    } else {
143 		id[0].cfg1 = SIS_100NEW;
144 		id[0].max_dma = ATA_UDMA5;
145 	    }
146 	    sprintf(buffer, "SiS 961 %s controller",ata_mode2str(idx->max_dma));
147 	}
148 	pci_write_config(dev, 0x4a, reg4a, 1);
149     }
150     if (!found)
151 	sprintf(buffer,"SiS %s %s controller",
152 		idx->text, ata_mode2str(idx->max_dma));
153     else
154 	idx = &id[0];
155 
156     device_set_desc_copy(dev, buffer);
157     ctlr->chip = idx;
158     ctlr->chipinit = ata_sis_chipinit;
159     return (BUS_PROBE_LOW_PRIORITY);
160 }
161 
162 static int
163 ata_sis_chipinit(device_t dev)
164 {
165     struct ata_pci_controller *ctlr = device_get_softc(dev);
166 
167     if (ata_setup_interrupt(dev, ata_generic_intr))
168 	return ENXIO;
169 
170     switch (ctlr->chip->cfg1) {
171     case SIS_33:
172 	break;
173     case SIS_66:
174     case SIS_100OLD:
175 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 1) & ~0x04, 1);
176 	break;
177     case SIS_100NEW:
178     case SIS_133OLD:
179 	pci_write_config(dev, 0x49, pci_read_config(dev, 0x49, 1) & ~0x01, 1);
180 	break;
181     case SIS_133NEW:
182 	pci_write_config(dev, 0x50, pci_read_config(dev, 0x50, 2) | 0x0008, 2);
183 	pci_write_config(dev, 0x52, pci_read_config(dev, 0x52, 2) | 0x0008, 2);
184 	break;
185     case SIS_SATA:
186 	ctlr->r_type2 = SYS_RES_IOPORT;
187 	ctlr->r_rid2 = PCIR_BAR(5);
188 	if ((ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2,
189 						   &ctlr->r_rid2, RF_ACTIVE))) {
190 	    ctlr->ch_attach = ata_sis_ch_attach;
191 	    ctlr->ch_detach = ata_pci_ch_detach;
192 	    ctlr->reset = ata_sis_reset;
193 	}
194 	ctlr->setmode = ata_sata_setmode;
195 	ctlr->getrev = ata_sata_getrev;
196 	return 0;
197     default:
198 	return ENXIO;
199     }
200     ctlr->setmode = ata_sis_setmode;
201     return 0;
202 }
203 
204 static int
205 ata_sis_ch_attach(device_t dev)
206 {
207     struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
208     struct ata_channel *ch = device_get_softc(dev);
209     int offset = ch->unit << ((ctlr->chip->chipid == ATA_SIS182) ? 5 : 6);
210 
211     /* setup the usual register normal pci style */
212     if (ata_pci_ch_attach(dev))
213 	return ENXIO;
214 
215     ch->r_io[ATA_SSTATUS].res = ctlr->r_res2;
216     ch->r_io[ATA_SSTATUS].offset = 0x00 + offset;
217     ch->r_io[ATA_SERROR].res = ctlr->r_res2;
218     ch->r_io[ATA_SERROR].offset = 0x04 + offset;
219     ch->r_io[ATA_SCONTROL].res = ctlr->r_res2;
220     ch->r_io[ATA_SCONTROL].offset = 0x08 + offset;
221     ch->flags |= ATA_NO_SLAVE;
222     ch->flags |= ATA_SATA;
223 
224     /* XXX SOS PHY hotplug handling missing in SiS chip ?? */
225     /* XXX SOS unknown how to enable PHY state change interrupt */
226     return 0;
227 }
228 
229 static void
230 ata_sis_reset(device_t dev)
231 {
232     struct ata_channel *ch = device_get_softc(dev);
233 
234     if (ata_sata_phy_reset(dev, -1, 1))
235 	ata_generic_reset(dev);
236     else
237 	ch->devices = 0;
238 }
239 
240 static int
241 ata_sis_setmode(device_t dev, int target, int mode)
242 {
243 	device_t parent = device_get_parent(dev);
244 	struct ata_pci_controller *ctlr = device_get_softc(parent);
245 	struct ata_channel *ch = device_get_softc(dev);
246 	int devno = (ch->unit << 1) + target;
247 
248 	mode = min(mode, ctlr->chip->max_dma);
249 
250 	if (ctlr->chip->cfg1 == SIS_133NEW) {
251 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
252 		        pci_read_config(parent, ch->unit ? 0x52 : 0x50,2) & 0x8000) {
253 		        ata_print_cable(dev, "controller");
254 		        mode = ATA_UDMA2;
255 		}
256 	} else {
257 		if (ata_dma_check_80pin && mode > ATA_UDMA2 &&
258 		    pci_read_config(parent, 0x48, 1)&(ch->unit ? 0x20 : 0x10)) {
259 		    ata_print_cable(dev, "controller");
260 		    mode = ATA_UDMA2;
261 		}
262         }
263 
264 	switch (ctlr->chip->cfg1) {
265 	case SIS_133NEW: {
266 	    static const uint32_t timings[] =
267 		{ 0x28269008, 0x0c266008, 0x04263008, 0x0c0a3008, 0x05093008,
268 		  0x22196008, 0x0c0a3008, 0x05093008, 0x050939fc, 0x050936ac,
269 		  0x0509347c, 0x0509325c, 0x0509323c, 0x0509322c, 0x0509321c};
270 	    u_int32_t reg;
271 
272 	    reg = (pci_read_config(parent, 0x57, 1)&0x40?0x70:0x40)+(devno<<2);
273 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 4);
274 	    break;
275 	    }
276 	case SIS_133OLD: {
277 	    static const uint16_t timings[] =
278 	     { 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033, 0x0031,
279 	       0x8f31, 0x8a31, 0x8731, 0x8531, 0x8331, 0x8231, 0x8131 };
280 
281 	    u_int16_t reg = 0x40 + (devno << 1);
282 
283 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
284 	    break;
285 	    }
286 	case SIS_100NEW: {
287 	    static const uint16_t timings[] =
288 		{ 0x00cb, 0x0067, 0x0044, 0x0033, 0x0031, 0x0044, 0x0033,
289 		  0x0031, 0x8b31, 0x8731, 0x8531, 0x8431, 0x8231, 0x8131 };
290 	    u_int16_t reg = 0x40 + (devno << 1);
291 
292 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
293 	    break;
294 	    }
295 	case SIS_100OLD:
296 	case SIS_66:
297 	case SIS_33: {
298 	    static const uint16_t timings[] =
299 		{ 0x0c0b, 0x0607, 0x0404, 0x0303, 0x0301, 0x0404, 0x0303,
300 		  0x0301, 0xf301, 0xd301, 0xb301, 0xa301, 0x9301, 0x8301 };
301 	    u_int16_t reg = 0x40 + (devno << 1);
302 
303 	    pci_write_config(parent, reg, timings[ata_mode2idx(mode)], 2);
304 	    break;
305 	    }
306 	}
307 	return (mode);
308 }
309 
310 ATA_DECLARE_DRIVER(ata_sis);
311