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MFC r362044:
[FreeBSD/stable/10.git] / sys / dev / ichsmb / ichsmb_pci.c
1 /*-
2  * ichsmb_pci.c
3  *
4  * Author: Archie Cobbs <archie@freebsd.org>
5  * Copyright (c) 2000 Whistle Communications, Inc.
6  * All rights reserved.
7  * Author: Archie Cobbs <archie@freebsd.org>
8  *
9  * Subject to the following obligations and disclaimer of warranty, use and
10  * redistribution of this software, in source or object code forms, with or
11  * without modifications are expressly permitted by Whistle Communications;
12  * provided, however, that:
13  * 1. Any and all reproductions of the source or object code must include the
14  *    copyright notice above and the following disclaimer of warranties; and
15  * 2. No rights are granted, in any manner or form, to use Whistle
16  *    Communications, Inc. trademarks, including the mark "WHISTLE
17  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
18  *    such appears in the above copyright notice or in the software.
19  *
20  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
21  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
22  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
23  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
24  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
25  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
26  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
27  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
28  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
29  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
30  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
31  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
32  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
33  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
35  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
36  * OF SUCH DAMAGE.
37  */
38
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
41
42 /*
43  * Support for the SMBus controller logical device which is part of the
44  * Intel 81801AA/AB/BA/CA/DC/EB (ICH/ICH[02345]) I/O controller hub chips.
45  */
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/module.h>
51 #include <sys/errno.h>
52 #include <sys/lock.h>
53 #include <sys/mutex.h>
54 #include <sys/syslog.h>
55 #include <sys/bus.h>
56
57 #include <machine/bus.h>
58 #include <sys/rman.h>
59 #include <machine/resource.h>
60
61 #include <dev/pci/pcivar.h>
62 #include <dev/pci/pcireg.h>
63
64 #include <dev/smbus/smbconf.h>
65
66 #include <dev/ichsmb/ichsmb_var.h>
67 #include <dev/ichsmb/ichsmb_reg.h>
68
69 /* PCI unique identifiers */
70 #define PCI_VENDOR_INTEL                0x8086
71 #define ID_82801AA                      0x2413
72 #define ID_82801AB                      0x2423
73 #define ID_82801BA                      0x2443
74 #define ID_82801CA                      0x2483
75 #define ID_82801DC                      0x24C3
76 #define ID_82801EB                      0x24D3
77 #define ID_82801FB                      0x266A
78 #define ID_82801GB                      0x27da
79 #define ID_82801H                       0x283e
80 #define ID_82801I                       0x2930
81 #define ID_EP80579                      0x5032
82 #define ID_82801JI                      0x3a30
83 #define ID_82801JD                      0x3a60
84 #define ID_PCH                          0x3b30
85 #define ID_6300ESB                      0x25a4
86 #define ID_631xESB                      0x269b
87 #define ID_DH89XXCC                     0x2330
88 #define ID_PATSBURG                     0x1d22
89 #define ID_CPT                          0x1c22
90 #define ID_PPT                          0x1e22
91 #define ID_AVOTON                       0x1f3c
92 #define ID_COLETOCRK                    0x23B0
93 #define ID_LPT                          0x8c22
94 #define ID_LPTLP                        0x9c22
95 #define ID_WCPT                         0x8ca2
96 #define ID_WCPTLP                       0x9ca2
97 #define ID_BAYTRAIL                     0x0f12
98 #define ID_BRASWELL                     0x2292
99 #define ID_WELLSBURG                    0x8d22
100 #define ID_SRPT                         0xa123
101 #define ID_SRPTLP                       0x9d23
102 #define ID_DENVERTON                    0x19df
103 #define ID_BROXTON                      0x5ad4
104 #define ID_LEWISBURG                    0xa1a3
105 #define ID_LEWISBURG2                   0xa223
106 #define ID_KABYLAKE                     0xa2a3
107
108 static const struct ichsmb_device {
109         uint16_t        id;
110         const char      *name;
111 } ichsmb_devices[] = {
112         { ID_82801AA,   "Intel 82801AA (ICH) SMBus controller"          },
113         { ID_82801AB,   "Intel 82801AB (ICH0) SMBus controller"         },
114         { ID_82801BA,   "Intel 82801BA (ICH2) SMBus controller"         },
115         { ID_82801CA,   "Intel 82801CA (ICH3) SMBus controller"         },
116         { ID_82801DC,   "Intel 82801DC (ICH4) SMBus controller"         },
117         { ID_82801EB,   "Intel 82801EB (ICH5) SMBus controller"         },
118         { ID_82801FB,   "Intel 82801FB (ICH6) SMBus controller"         },
119         { ID_82801GB,   "Intel 82801GB (ICH7) SMBus controller"         },
120         { ID_82801H,    "Intel 82801H (ICH8) SMBus controller"          },
121         { ID_82801I,    "Intel 82801I (ICH9) SMBus controller"          },
122         { ID_82801GB,   "Intel 82801GB (ICH7) SMBus controller"         },
123         { ID_82801H,    "Intel 82801H (ICH8) SMBus controller"          },
124         { ID_82801I,    "Intel 82801I (ICH9) SMBus controller"          },
125         { ID_EP80579,   "Intel EP80579 SMBus controller"                },
126         { ID_82801JI,   "Intel 82801JI (ICH10) SMBus controller"        },
127         { ID_82801JD,   "Intel 82801JD (ICH10) SMBus controller"        },
128         { ID_PCH,       "Intel PCH SMBus controller"                    },
129         { ID_6300ESB,   "Intel 6300ESB (ICH) SMBus controller"          },
130         { ID_631xESB,   "Intel 631xESB/6321ESB (ESB2) SMBus controller" },
131         { ID_DH89XXCC,  "Intel DH89xxCC SMBus controller"               },
132         { ID_PATSBURG,  "Intel Patsburg SMBus controller"               },
133         { ID_CPT,       "Intel Cougar Point SMBus controller"           },
134         { ID_PPT,       "Intel Panther Point SMBus controller"          },
135         { ID_AVOTON,    "Intel Avoton SMBus controller"                 },
136         { ID_LPT,       "Intel Lynx Point SMBus controller"             },
137         { ID_LPTLP,     "Intel Lynx Point-LP SMBus controller"          },
138         { ID_WCPT,      "Intel Wildcat Point SMBus controller"          },
139         { ID_WCPTLP,    "Intel Wildcat Point-LP SMBus controller"       },
140         { ID_BAYTRAIL,  "Intel Baytrail SMBus controller"               },
141         { ID_BRASWELL,  "Intel Braswell SMBus controller"               },
142         { ID_COLETOCRK, "Intel Coleto Creek SMBus controller"           },
143         { ID_WELLSBURG, "Intel Wellsburg SMBus controller"              },
144         { ID_SRPT,      "Intel Sunrise Point-H SMBus controller"        },
145         { ID_SRPTLP,    "Intel Sunrise Point-LP SMBus controller"       },
146         { ID_DENVERTON, "Intel Denverton SMBus controller"              },
147         { ID_BROXTON,   "Intel Broxton SMBus controller"                },
148         { ID_LEWISBURG, "Intel Lewisburg SMBus controller"              },
149         { ID_LEWISBURG2,"Intel Lewisburg SMBus controller"              },
150         { ID_KABYLAKE,  "Intel Kaby Lake SMBus controller"              },
151         { 0, NULL },
152 };
153
154 /* Internal functions */
155 static int      ichsmb_pci_probe(device_t dev);
156 static int      ichsmb_pci_attach(device_t dev);
157 /*Use generic one for now*/
158 #if 0
159 static int      ichsmb_pci_detach(device_t dev);
160 #endif
161
162 /* Device methods */
163 static device_method_t ichsmb_pci_methods[] = {
164         /* Device interface */
165         DEVMETHOD(device_probe, ichsmb_pci_probe),
166         DEVMETHOD(device_attach, ichsmb_pci_attach),
167         DEVMETHOD(device_detach, ichsmb_detach),
168
169         /* SMBus methods */
170         DEVMETHOD(smbus_callback, ichsmb_callback),
171         DEVMETHOD(smbus_quick, ichsmb_quick),
172         DEVMETHOD(smbus_sendb, ichsmb_sendb),
173         DEVMETHOD(smbus_recvb, ichsmb_recvb),
174         DEVMETHOD(smbus_writeb, ichsmb_writeb),
175         DEVMETHOD(smbus_writew, ichsmb_writew),
176         DEVMETHOD(smbus_readb, ichsmb_readb),
177         DEVMETHOD(smbus_readw, ichsmb_readw),
178         DEVMETHOD(smbus_pcall, ichsmb_pcall),
179         DEVMETHOD(smbus_bwrite, ichsmb_bwrite),
180         DEVMETHOD(smbus_bread, ichsmb_bread),
181
182         DEVMETHOD_END
183 };
184
185 static driver_t ichsmb_pci_driver = {
186         "ichsmb",
187         ichsmb_pci_methods,
188         sizeof(struct ichsmb_softc)
189 };
190
191 static devclass_t ichsmb_pci_devclass;
192
193 DRIVER_MODULE(ichsmb, pci, ichsmb_pci_driver, ichsmb_pci_devclass, 0, 0);
194
195 static int
196 ichsmb_pci_probe(device_t dev)
197 {
198         const struct ichsmb_device *device;
199
200         if (pci_get_vendor(dev) != PCI_VENDOR_INTEL)
201                 return (ENXIO);
202
203         for (device = ichsmb_devices; device->name != NULL; device++) {
204                 if (pci_get_device(dev) == device->id) {
205                         device_set_desc(dev, device->name);
206                         return (ichsmb_probe(dev));
207                 }
208         }
209
210         return (ENXIO);
211 }
212
213 static int
214 ichsmb_pci_attach(device_t dev)
215 {
216         const sc_p sc = device_get_softc(dev);
217         int error;
218
219         /* Initialize private state */
220         bzero(sc, sizeof(*sc));
221         sc->ich_cmd = -1;
222         sc->dev = dev;
223
224         /* Allocate an I/O range */
225         sc->io_rid = ICH_SMB_BASE;
226         sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
227             &sc->io_rid, 0, ~0, 16, RF_ACTIVE);
228         if (sc->io_res == NULL)
229                 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
230                     &sc->io_rid, 0ul, ~0ul, 32, RF_ACTIVE);
231         if (sc->io_res == NULL) {
232                 device_printf(dev, "can't map I/O\n");
233                 error = ENXIO;
234                 goto fail;
235         }
236
237         /* Allocate interrupt */
238         sc->irq_rid = 0;
239         sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
240             &sc->irq_rid, RF_ACTIVE | RF_SHAREABLE);
241         if (sc->irq_res == NULL) {
242                 device_printf(dev, "can't get IRQ\n");
243                 error = ENXIO;
244                 goto fail;
245         }
246
247         /* Enable device */
248         pci_write_config(dev, ICH_HOSTC, ICH_HOSTC_HST_EN, 1);
249
250         /* Done */
251         error = ichsmb_attach(dev);
252         if (error)
253                 goto fail;
254         return (0);
255
256 fail:
257         /* Attach failed, release resources */
258         ichsmb_release_resources(sc);
259         return (error);
260 }
261
262
263 MODULE_DEPEND(ichsmb, pci, 1, 1, 1);
264 MODULE_DEPEND(ichsmb, smbus, SMBUS_MINVER, SMBUS_PREFVER, SMBUS_MAXVER);
265 MODULE_VERSION(ichsmb, 1);