1 | /* $NetBSD: if_ral_pci.c,v 1.23 2016/07/06 14:28:51 christos Exp $ */ |
2 | /* $OpenBSD: if_ral_pci.c,v 1.24 2015/11/24 17:11:39 mpi Exp $ */ |
3 | |
4 | /*- |
5 | * Copyright (c) 2005-2010 Damien Bergamini <damien.bergamini@free.fr> |
6 | * |
7 | * Permission to use, copy, modify, and distribute this software for any |
8 | * purpose with or without fee is hereby granted, provided that the above |
9 | * copyright notice and this permission notice appear in all copies. |
10 | * |
11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
18 | */ |
19 | |
20 | /* |
21 | * PCI front-end for the Ralink RT2560/RT2561/RT2860/RT3090 driver. |
22 | */ |
23 | #include <sys/cdefs.h> |
24 | __KERNEL_RCSID(0, "$NetBSD: if_ral_pci.c,v 1.23 2016/07/06 14:28:51 christos Exp $" ); |
25 | |
26 | |
27 | #include <sys/param.h> |
28 | #include <sys/sockio.h> |
29 | #include <sys/mbuf.h> |
30 | #include <sys/kernel.h> |
31 | #include <sys/socket.h> |
32 | #include <sys/systm.h> |
33 | #include <sys/malloc.h> |
34 | #include <sys/device.h> |
35 | |
36 | #include <sys/bus.h> |
37 | #include <sys/intr.h> |
38 | |
39 | #include <net/if.h> |
40 | #include <net/if_dl.h> |
41 | #include <net/if_media.h> |
42 | #include <net/if_ether.h> |
43 | |
44 | #include <netinet/in.h> |
45 | |
46 | #include <net80211/ieee80211_var.h> |
47 | #include <net80211/ieee80211_amrr.h> |
48 | #include <net80211/ieee80211_rssadapt.h> |
49 | #include <net80211/ieee80211_radiotap.h> |
50 | |
51 | #include <dev/ic/rt2560var.h> |
52 | #include <dev/ic/rt2661var.h> |
53 | #include <dev/ic/rt2860var.h> |
54 | |
55 | #include <dev/pci/pcireg.h> |
56 | #include <dev/pci/pcivar.h> |
57 | #include <dev/pci/pcidevs.h> |
58 | |
59 | #define RAL_POWER_MANAGEMENT 0 /* Disabled for now */ |
60 | |
61 | static struct ral_opns { |
62 | int (*attach)(void *, int); |
63 | int (*detach)(void *); |
64 | #if RAL_POWER_MANAGEMENT |
65 | void (*suspend)(void *); |
66 | void (*wakeup)(void *); |
67 | #endif |
68 | int (*intr)(void *); |
69 | |
70 | } ral_rt2560_opns = { |
71 | rt2560_attach, |
72 | rt2560_detach, |
73 | #if RAL_POWER_MANAGEMENT |
74 | rt2560_suspend, |
75 | rt2560_wakeup, |
76 | #endif |
77 | rt2560_intr |
78 | |
79 | }, ral_rt2661_opns = { |
80 | rt2661_attach, |
81 | rt2661_detach, |
82 | #if RAL_POWER_MANAGEMENT |
83 | rt2661_suspend, |
84 | rt2661_wakeup, |
85 | #endif |
86 | rt2661_intr |
87 | |
88 | }, ral_rt2860_opns = { |
89 | rt2860_attach, |
90 | rt2860_detach, |
91 | #if RAL_POWER_MANAGEMENT |
92 | rt2860_suspend, |
93 | rt2860_wakeup, |
94 | #endif |
95 | rt2860_intr |
96 | }; |
97 | |
98 | struct ral_pci_softc { |
99 | union { |
100 | struct rt2560_softc sc_rt2560; |
101 | struct rt2661_softc sc_rt2661; |
102 | struct rt2860_softc sc_rt2860; |
103 | } u; |
104 | #define sc_sc u.sc_rt2560 |
105 | |
106 | /* PCI specific goo */ |
107 | struct ral_opns *sc_opns; |
108 | pci_chipset_tag_t sc_pc; |
109 | void *sc_ih; |
110 | bus_size_t sc_mapsize; |
111 | }; |
112 | |
113 | /* Base Address Register */ |
114 | #define RAL_PCI_BAR0 PCI_BAR(0) |
115 | |
116 | int ral_pci_match(device_t, cfdata_t, void *); |
117 | void ral_pci_attach(device_t, device_t, void *); |
118 | int ral_pci_detach(device_t, int); |
119 | #if RAL_POWER_MANAGEMENT |
120 | int ral_pci_activate(struct device *, devact_t); |
121 | void ral_pci_wakeup(struct ral_pci_softc *); |
122 | #else |
123 | #define ral_pci_activate NULL |
124 | #endif |
125 | |
126 | CFATTACH_DECL_NEW(ral_pci, sizeof (struct ral_pci_softc), |
127 | ral_pci_match, ral_pci_attach, ral_pci_detach, ral_pci_activate); |
128 | |
129 | static const struct ral_pci_matchid { |
130 | pci_vendor_id_t ral_vendor; |
131 | pci_product_id_t ral_product; |
132 | } ral_pci_devices[] = { |
133 | { PCI_VENDOR_AWT, PCI_PRODUCT_AWT_RT2890 }, |
134 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_1 }, |
135 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_2 }, |
136 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_3 }, |
137 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_4 }, |
138 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_5 }, |
139 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_6 }, |
140 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT2860_7 }, |
141 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT3591_1 }, |
142 | { PCI_VENDOR_EDIMAX, PCI_PRODUCT_EDIMAX_RT3591_2 }, |
143 | { PCI_VENDOR_MSI, PCI_PRODUCT_AWT_RT2890 }, |
144 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2560 }, |
145 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561 }, |
146 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2561S }, |
147 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2661 }, |
148 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2760 }, |
149 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2790 }, |
150 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2860 }, |
151 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT2890 }, |
152 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3060 }, |
153 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3062 }, |
154 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3090 }, |
155 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3091 }, |
156 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3092 }, |
157 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3562 }, |
158 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3592 }, |
159 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT3593 }, |
160 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5360 }, |
161 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5362 }, |
162 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_1 }, |
163 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_2 }, |
164 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_3 }, |
165 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_4 }, |
166 | { PCI_VENDOR_RALINK, PCI_PRODUCT_RALINK_RT5390_5 }, |
167 | }; |
168 | |
169 | int |
170 | ral_pci_match(device_t parent, cfdata_t cfdata, |
171 | void *aux) |
172 | { |
173 | struct pci_attach_args *pa = aux; |
174 | |
175 | for (size_t i = 0; i < __arraycount(ral_pci_devices); i++) { |
176 | const struct ral_pci_matchid *ral = &ral_pci_devices[i]; |
177 | if (PCI_VENDOR(pa->pa_id) == ral->ral_vendor && |
178 | PCI_PRODUCT(pa->pa_id) == ral->ral_product) |
179 | return 1; |
180 | } |
181 | |
182 | return 0; |
183 | } |
184 | |
185 | void |
186 | ral_pci_attach(device_t parent, device_t self, void *aux) |
187 | { |
188 | struct ral_pci_softc *psc = device_private(self); |
189 | struct rt2560_softc *sc = &psc->sc_sc; |
190 | const struct pci_attach_args *pa = aux; |
191 | const char *intrstr; |
192 | bus_addr_t base; |
193 | pci_intr_handle_t ih; |
194 | pcireg_t memtype, reg; |
195 | int error; |
196 | char intrbuf[PCI_INTRSTR_LEN]; |
197 | |
198 | pci_aprint_devinfo(pa, NULL); |
199 | |
200 | if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_RALINK) { |
201 | switch (PCI_PRODUCT(pa->pa_id)) { |
202 | case PCI_PRODUCT_RALINK_RT2560: |
203 | psc->sc_opns = &ral_rt2560_opns; |
204 | break; |
205 | case PCI_PRODUCT_RALINK_RT2561: |
206 | case PCI_PRODUCT_RALINK_RT2561S: |
207 | case PCI_PRODUCT_RALINK_RT2661: |
208 | psc->sc_opns = &ral_rt2661_opns; |
209 | break; |
210 | default: |
211 | psc->sc_opns = &ral_rt2860_opns; |
212 | break; |
213 | } |
214 | } else { |
215 | /* all other vendors are RT2860 only */ |
216 | psc->sc_opns = &ral_rt2860_opns; |
217 | } |
218 | |
219 | sc->sc_dev = self; |
220 | sc->sc_dmat = pa->pa_dmat; |
221 | psc->sc_pc = pa->pa_pc; |
222 | |
223 | /* enable the appropriate bits in the PCI CSR */ |
224 | reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); |
225 | reg |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_MEM_ENABLE; |
226 | pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg); |
227 | |
228 | /* map control/status registers */ |
229 | memtype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, RAL_PCI_BAR0); |
230 | error = pci_mapreg_map(pa, RAL_PCI_BAR0, memtype, 0, &sc->sc_st, |
231 | &sc->sc_sh, &base, &psc->sc_mapsize); |
232 | |
233 | if (error != 0) { |
234 | aprint_error(": could not map memory space\n" ); |
235 | return; |
236 | } |
237 | |
238 | if (pci_intr_map(pa, &ih) != 0) { |
239 | aprint_error(": could not map interrupt\n" ); |
240 | return; |
241 | } |
242 | |
243 | intrstr = pci_intr_string(psc->sc_pc, ih, intrbuf, sizeof(intrbuf)); |
244 | psc->sc_ih = pci_intr_establish(psc->sc_pc, ih, IPL_NET, |
245 | psc->sc_opns->intr, sc); |
246 | |
247 | if (psc->sc_ih == NULL) { |
248 | aprint_error(": could not establish interrupt" ); |
249 | if (intrstr != NULL) |
250 | aprint_error(" at %s" , intrstr); |
251 | aprint_error("\n" ); |
252 | return; |
253 | } |
254 | aprint_normal_dev(sc->sc_dev, "interrupting at %s\n" , intrstr); |
255 | |
256 | (*psc->sc_opns->attach)(sc, PCI_PRODUCT(pa->pa_id)); |
257 | } |
258 | |
259 | int |
260 | ral_pci_detach(device_t self, int flags) |
261 | { |
262 | struct ral_pci_softc *psc = device_private(self); |
263 | struct rt2560_softc *sc = &psc->sc_sc; |
264 | int error; |
265 | |
266 | if (psc->sc_ih != NULL) { |
267 | pci_intr_disestablish(psc->sc_pc, psc->sc_ih); |
268 | |
269 | error = (*psc->sc_opns->detach)(sc); |
270 | if (error != 0) |
271 | return error; |
272 | } |
273 | |
274 | if (psc->sc_mapsize > 0) |
275 | bus_space_unmap(sc->sc_st, sc->sc_sh, psc->sc_mapsize); |
276 | |
277 | return 0; |
278 | } |
279 | |
280 | #if RAL_POWER_MANAGEMENT |
281 | int |
282 | ral_pci_activate(struct device *self, devact_t act) |
283 | { |
284 | struct ral_pci_softc *psc = (struct ral_pci_softc *)self; |
285 | struct rt2560_softc *sc = &psc->sc_sc; |
286 | |
287 | switch (act) { |
288 | case DVACT_SUSPEND: |
289 | (*psc->sc_opns->suspend)(sc); |
290 | break; |
291 | case DVACT_WAKEUP: |
292 | ral_pci_wakeup(psc); |
293 | break; |
294 | } |
295 | return 0; |
296 | } |
297 | |
298 | void |
299 | ral_pci_wakeup(struct ral_pci_softc *psc) |
300 | { |
301 | struct rt2560_softc *sc = &psc->sc_sc; |
302 | int s; |
303 | |
304 | s = splnet(); |
305 | (*psc->sc_opns->wakeup)(sc); |
306 | splx(s); |
307 | } |
308 | #endif |
309 | |