plumpcmcia.c revision 1.17 1 1.17 mycroft /* $NetBSD: plumpcmcia.c,v 1.17 2004/08/11 01:54:46 mycroft Exp $ */
2 1.1 uch
3 1.1 uch /*
4 1.4 uch * Copyright (c) 1999, 2000 UCHIYAMA Yasushi. All rights reserved.
5 1.4 uch * Copyright (c) 1997 Marc Horowitz. All rights reserved.
6 1.1 uch *
7 1.1 uch * Redistribution and use in source and binary forms, with or without
8 1.1 uch * modification, are permitted provided that the following conditions
9 1.1 uch * are met:
10 1.1 uch * 1. Redistributions of source code must retain the above copyright
11 1.1 uch * notice, this list of conditions and the following disclaimer.
12 1.1 uch * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 uch * notice, this list of conditions and the following disclaimer in the
14 1.1 uch * documentation and/or other materials provided with the distribution.
15 1.1 uch * 3. All advertising materials mentioning features or use of this software
16 1.1 uch * must display the following acknowledgement:
17 1.1 uch * This product includes software developed by Marc Horowitz.
18 1.1 uch * 4. The name of the author may not be used to endorse or promote products
19 1.1 uch * derived from this software without specific prior written permission.
20 1.1 uch *
21 1.1 uch * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 1.1 uch * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 1.1 uch * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 1.1 uch * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 1.1 uch * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 1.1 uch * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 1.1 uch * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 1.1 uch * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 1.1 uch * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 1.1 uch * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 1.1 uch */
32 1.16 lukem
33 1.16 lukem #include <sys/cdefs.h>
34 1.17 mycroft __KERNEL_RCSID(0, "$NetBSD: plumpcmcia.c,v 1.17 2004/08/11 01:54:46 mycroft Exp $");
35 1.1 uch
36 1.1 uch #include <sys/param.h>
37 1.1 uch #include <sys/systm.h>
38 1.1 uch #include <sys/device.h>
39 1.4 uch #include <sys/kthread.h>
40 1.1 uch
41 1.1 uch #include <machine/bus.h>
42 1.5 uch #include <machine/config_hook.h>
43 1.8 takemura #include <machine/bus_space_hpcmips.h>
44 1.1 uch
45 1.1 uch #include <dev/pcmcia/pcmciareg.h>
46 1.1 uch #include <dev/pcmcia/pcmciavar.h>
47 1.1 uch #include <dev/pcmcia/pcmciachip.h>
48 1.1 uch
49 1.1 uch #include <hpcmips/tx/tx39var.h>
50 1.1 uch #include <hpcmips/dev/plumvar.h>
51 1.1 uch #include <hpcmips/dev/plumicuvar.h>
52 1.2 uch #include <hpcmips/dev/plumpowervar.h>
53 1.1 uch #include <hpcmips/dev/plumpcmciareg.h>
54 1.1 uch
55 1.10 uch #ifdef PLUMPCMCIA_DEBUG
56 1.10 uch #define DPRINTF_ENABLE
57 1.10 uch #define DPRINTF_DEBUG plumpcmcia_debug
58 1.1 uch #endif
59 1.10 uch #include <machine/debug.h>
60 1.1 uch
61 1.4 uch int plumpcmcia_match(struct device *, struct cfdata *, void *);
62 1.4 uch void plumpcmcia_attach(struct device *, struct device *, void *);
63 1.4 uch int plumpcmcia_print(void *, const char *);
64 1.4 uch int plumpcmcia_submatch(struct device *, struct cfdata *, void *);
65 1.1 uch
66 1.5 uch int plumpcmcia_power(void *, int, long, void *);
67 1.5 uch
68 1.1 uch struct plumpcmcia_softc;
69 1.1 uch
70 1.1 uch struct plumpcmcia_handle {
71 1.1 uch /* parent */
72 1.1 uch struct device *ph_parent;
73 1.1 uch /* child */
74 1.1 uch struct device *ph_pcmcia;
75 1.1 uch
76 1.1 uch /* PCMCIA controller register space */
77 1.1 uch bus_space_tag_t ph_regt;
78 1.1 uch bus_space_handle_t ph_regh;
79 1.1 uch
80 1.1 uch /* I/O port space */
81 1.1 uch int ph_ioarea; /* not PCMCIA window */
82 1.1 uch struct {
83 1.1 uch bus_addr_t pi_addr;
84 1.1 uch bus_size_t pi_size;
85 1.1 uch int pi_width;
86 1.1 uch } ph_io[PLUM_PCMCIA_IO_WINS];
87 1.1 uch int ph_ioalloc;
88 1.1 uch bus_space_tag_t ph_iot;
89 1.1 uch bus_space_handle_t ph_ioh;
90 1.1 uch bus_addr_t ph_iobase;
91 1.1 uch bus_size_t ph_iosize;
92 1.1 uch
93 1.1 uch /* I/O Memory space */
94 1.1 uch int ph_memarea; /* not PCMCIA window */
95 1.1 uch struct {
96 1.1 uch bus_addr_t pm_addr;
97 1.1 uch bus_size_t pm_size;
98 1.1 uch int32_t pm_offset;
99 1.1 uch int pm_kind;
100 1.1 uch } ph_mem[PLUM_PCMCIA_MEM_WINS];
101 1.1 uch int ph_memalloc;
102 1.1 uch bus_space_tag_t ph_memt;
103 1.1 uch bus_space_handle_t ph_memh;
104 1.1 uch bus_addr_t ph_membase;
105 1.1 uch bus_size_t ph_memsize;
106 1.1 uch
107 1.4 uch /* Card interrupt handler */
108 1.1 uch int ph_plum_irq;
109 1.1 uch void *ph_card_ih;
110 1.1 uch };
111 1.1 uch
112 1.4 uch enum plumpcmcia_event_type {
113 1.4 uch PLUM_PCMCIA_EVENT_INSERT,
114 1.4 uch PLUM_PCMCIA_EVENT_REMOVE,
115 1.4 uch };
116 1.4 uch
117 1.4 uch struct plumpcmcia_event {
118 1.4 uch int __queued;
119 1.4 uch enum plumpcmcia_event_type pe_type;
120 1.4 uch struct plumpcmcia_handle *pe_ph;
121 1.4 uch SIMPLEQ_ENTRY(plumpcmcia_event) pe_link;
122 1.4 uch };
123 1.4 uch
124 1.1 uch struct plumpcmcia_softc {
125 1.1 uch struct device sc_dev;
126 1.1 uch plum_chipset_tag_t sc_pc;
127 1.5 uch
128 1.1 uch /* Register space */
129 1.1 uch bus_space_tag_t sc_regt;
130 1.1 uch bus_space_handle_t sc_regh;
131 1.1 uch
132 1.5 uch /* power management hook */
133 1.5 uch void *sc_powerhook;
134 1.5 uch
135 1.4 uch /* CSC event */
136 1.4 uch struct proc *sc_event_thread;
137 1.4 uch SIMPLEQ_HEAD (, plumpcmcia_event) sc_event_head;
138 1.4 uch
139 1.4 uch /* for each slot */
140 1.1 uch struct plumpcmcia_handle sc_ph[PLUMPCMCIA_NSLOTS];
141 1.1 uch };
142 1.1 uch
143 1.4 uch static void plumpcmcia_attach_socket(struct plumpcmcia_handle *);
144 1.4 uch static int plumpcmcia_chip_mem_alloc(pcmcia_chipset_handle_t, bus_size_t,
145 1.7 uch struct pcmcia_mem_handle *);
146 1.4 uch static void plumpcmcia_chip_mem_free(pcmcia_chipset_handle_t,
147 1.7 uch struct pcmcia_mem_handle *);
148 1.4 uch static int plumpcmcia_chip_mem_map(pcmcia_chipset_handle_t, int, bus_addr_t,
149 1.9 soren bus_size_t, struct pcmcia_mem_handle *, bus_size_t *, int *);
150 1.4 uch static void plumpcmcia_chip_mem_unmap(pcmcia_chipset_handle_t, int);
151 1.4 uch static int plumpcmcia_chip_io_alloc(pcmcia_chipset_handle_t, bus_addr_t,
152 1.7 uch bus_size_t, bus_size_t, struct pcmcia_io_handle *);
153 1.4 uch static void plumpcmcia_chip_io_free(pcmcia_chipset_handle_t,
154 1.7 uch struct pcmcia_io_handle *);
155 1.4 uch static int plumpcmcia_chip_io_map(pcmcia_chipset_handle_t, int, bus_addr_t,
156 1.7 uch bus_size_t, struct pcmcia_io_handle *, int *);
157 1.4 uch static void plumpcmcia_chip_io_unmap(pcmcia_chipset_handle_t, int);
158 1.4 uch static void plumpcmcia_chip_socket_enable(pcmcia_chipset_handle_t);
159 1.4 uch static void plumpcmcia_chip_socket_disable(pcmcia_chipset_handle_t);
160 1.17 mycroft static void plumpcmcia_chip_socket_settype(pcmcia_chipset_handle_t, int);
161 1.4 uch static void *plumpcmcia_chip_intr_establish(pcmcia_chipset_handle_t,
162 1.7 uch struct pcmcia_function *, int, int (*)(void *), void *);
163 1.4 uch static void plumpcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t, void *);
164 1.4 uch static void plumpcmcia_wait_ready( struct plumpcmcia_handle *);
165 1.4 uch static void plumpcmcia_chip_do_mem_map(struct plumpcmcia_handle *, int);
166 1.4 uch static void plumpcmcia_chip_do_io_map(struct plumpcmcia_handle *, int);
167 1.1 uch
168 1.1 uch static struct pcmcia_chip_functions plumpcmcia_functions = {
169 1.1 uch plumpcmcia_chip_mem_alloc,
170 1.1 uch plumpcmcia_chip_mem_free,
171 1.1 uch plumpcmcia_chip_mem_map,
172 1.1 uch plumpcmcia_chip_mem_unmap,
173 1.1 uch plumpcmcia_chip_io_alloc,
174 1.1 uch plumpcmcia_chip_io_free,
175 1.1 uch plumpcmcia_chip_io_map,
176 1.1 uch plumpcmcia_chip_io_unmap,
177 1.1 uch plumpcmcia_chip_intr_establish,
178 1.1 uch plumpcmcia_chip_intr_disestablish,
179 1.1 uch plumpcmcia_chip_socket_enable,
180 1.17 mycroft plumpcmcia_chip_socket_disable,
181 1.17 mycroft plumpcmcia_chip_socket_settype,
182 1.1 uch };
183 1.1 uch
184 1.4 uch /* CSC */
185 1.4 uch #define PLUM_PCMCIA_EVENT_QUEUE_MAX 5
186 1.4 uch static struct plumpcmcia_event __event_queue_pool[PLUM_PCMCIA_EVENT_QUEUE_MAX];
187 1.4 uch static struct plumpcmcia_event *plumpcmcia_event_alloc(void);
188 1.4 uch static void plumpcmcia_event_free(struct plumpcmcia_event *);
189 1.4 uch static void plum_csc_intr_setup(struct plumpcmcia_softc *,
190 1.7 uch struct plumpcmcia_handle *, int);
191 1.4 uch static int plum_csc_intr(void *);
192 1.4 uch static void plumpcmcia_create_event_thread(void *);
193 1.4 uch static void plumpcmcia_event_thread(void *);
194 1.4 uch
195 1.10 uch #ifdef PLUMPCMCIA_DEBUG
196 1.4 uch /* debug */
197 1.4 uch #define __DEBUG_FUNC __attribute__((__unused__))
198 1.4 uch static void __ioareadump(plumreg_t) __DEBUG_FUNC;
199 1.4 uch static void __memareadump(plumreg_t) __DEBUG_FUNC;
200 1.4 uch static void plumpcmcia_dump(struct plumpcmcia_softc *) __DEBUG_FUNC;
201 1.10 uch #endif /* PLUMPCMCIA_DEBUG */
202 1.4 uch
203 1.14 thorpej CFATTACH_DECL(plumpcmcia, sizeof(struct plumpcmcia_softc),
204 1.14 thorpej plumpcmcia_match, plumpcmcia_attach, NULL, NULL);
205 1.1 uch
206 1.1 uch int
207 1.4 uch plumpcmcia_match(struct device *parent, struct cfdata *cf, void *aux)
208 1.1 uch {
209 1.7 uch return (1);
210 1.1 uch }
211 1.1 uch
212 1.1 uch void
213 1.4 uch plumpcmcia_attach(struct device *parent, struct device *self, void *aux)
214 1.1 uch {
215 1.1 uch struct plum_attach_args *pa = aux;
216 1.1 uch struct plumpcmcia_softc *sc = (void*)self;
217 1.1 uch struct plumpcmcia_handle *ph;
218 1.1 uch
219 1.1 uch sc->sc_pc = pa->pa_pc;
220 1.1 uch sc->sc_regt = pa->pa_regt;
221 1.5 uch
222 1.5 uch /* map register area */
223 1.1 uch if (bus_space_map(sc->sc_regt, PLUM_PCMCIA_REGBASE,
224 1.7 uch PLUM_PCMCIA_REGSIZE, 0, &sc->sc_regh)) {
225 1.1 uch printf(": register map failed\n");
226 1.1 uch }
227 1.1 uch
228 1.5 uch /* power control */
229 1.5 uch plumpcmcia_power(sc, 0, 0, (void *)PWR_RESUME);
230 1.5 uch /* Add a hard power hook to power saving */
231 1.5 uch #if notyet
232 1.5 uch sc->sc_powerhook = config_hook(CONFIG_HOOK_PMEVENT,
233 1.7 uch CONFIG_HOOK_PMEVENT_HARDPOWER,
234 1.7 uch CONFIG_HOOK_SHARE,
235 1.7 uch plumpcmcia_power, sc);
236 1.5 uch if (sc->sc_powerhook == 0)
237 1.5 uch printf(": WARNING unable to establish hard power hook");
238 1.5 uch #endif
239 1.1 uch printf("\n");
240 1.1 uch
241 1.4 uch /* Slot0/1 CSC event queue */
242 1.4 uch SIMPLEQ_INIT (&sc->sc_event_head);
243 1.4 uch kthread_create(plumpcmcia_create_event_thread, sc);
244 1.4 uch
245 1.1 uch /* Slot 0 */
246 1.1 uch ph = &sc->sc_ph[0];
247 1.1 uch ph->ph_plum_irq = PLUM_INT_C1IO;
248 1.1 uch ph->ph_memarea = PLUM_PCMCIA_MEMWINCTRL_MAP_AREA1;
249 1.1 uch ph->ph_membase = PLUM_PCMCIA_MEMBASE1;
250 1.1 uch ph->ph_memsize = PLUM_PCMCIA_MEMSIZE1;
251 1.1 uch ph->ph_ioarea = PLUM_PCMCIA_IOWINADDRCTRL_AREA1;
252 1.1 uch ph->ph_iobase = PLUM_PCMCIA_IOBASE1;
253 1.1 uch ph->ph_iosize = PLUM_PCMCIA_IOSIZE1;
254 1.1 uch ph->ph_regt = sc->sc_regt;
255 1.1 uch bus_space_subregion(sc->sc_regt, sc->sc_regh,
256 1.7 uch PLUM_PCMCIA_REGSPACE_SLOT0,
257 1.7 uch PLUM_PCMCIA_REGSPACE_SIZE,
258 1.7 uch &ph->ph_regh);
259 1.1 uch ph->ph_iot = pa->pa_iot;
260 1.1 uch ph->ph_memt = pa->pa_iot;
261 1.1 uch ph->ph_parent = (void*)sc;
262 1.2 uch
263 1.4 uch plum_csc_intr_setup(sc, ph, PLUM_INT_C1SC);
264 1.2 uch plum_power_establish(sc->sc_pc, PLUM_PWR_PCC1);
265 1.1 uch plumpcmcia_attach_socket(ph);
266 1.1 uch
267 1.1 uch /* Slot 1 */
268 1.1 uch ph = &sc->sc_ph[1];
269 1.1 uch ph->ph_plum_irq = PLUM_INT_C2IO;
270 1.1 uch ph->ph_memarea = PLUM_PCMCIA_MEMWINCTRL_MAP_AREA2;
271 1.1 uch ph->ph_membase = PLUM_PCMCIA_MEMBASE2;
272 1.1 uch ph->ph_memsize = PLUM_PCMCIA_MEMSIZE2;
273 1.1 uch ph->ph_ioarea = PLUM_PCMCIA_IOWINADDRCTRL_AREA2;
274 1.1 uch ph->ph_iobase = PLUM_PCMCIA_IOBASE2;
275 1.1 uch ph->ph_iosize = PLUM_PCMCIA_IOSIZE2;
276 1.1 uch ph->ph_regt = sc->sc_regt;
277 1.1 uch bus_space_subregion(sc->sc_regt, sc->sc_regh,
278 1.7 uch PLUM_PCMCIA_REGSPACE_SLOT1,
279 1.7 uch PLUM_PCMCIA_REGSPACE_SIZE,
280 1.7 uch &ph->ph_regh);
281 1.1 uch ph->ph_iot = pa->pa_iot;
282 1.1 uch ph->ph_memt = pa->pa_iot;
283 1.1 uch ph->ph_parent = (void*)sc;
284 1.2 uch
285 1.4 uch plum_csc_intr_setup(sc, ph, PLUM_INT_C2SC);
286 1.2 uch plum_power_establish(sc->sc_pc, PLUM_PWR_PCC2);
287 1.1 uch plumpcmcia_attach_socket(ph);
288 1.1 uch }
289 1.1 uch
290 1.1 uch int
291 1.4 uch plumpcmcia_print(void *arg, const char *pnp)
292 1.1 uch {
293 1.1 uch if (pnp) {
294 1.15 thorpej aprint_normal("pcmcia at %s", pnp);
295 1.1 uch }
296 1.1 uch
297 1.7 uch return (UNCONF);
298 1.1 uch }
299 1.1 uch
300 1.1 uch int
301 1.4 uch plumpcmcia_submatch(struct device *parent, struct cfdata *cf, void *aux)
302 1.1 uch {
303 1.12 thorpej return (config_match(parent, cf, aux));
304 1.1 uch }
305 1.1 uch
306 1.4 uch static void
307 1.4 uch plumpcmcia_attach_socket(struct plumpcmcia_handle *ph)
308 1.1 uch {
309 1.1 uch struct pcmciabus_attach_args paa;
310 1.1 uch struct plumpcmcia_softc *sc = (void*)ph->ph_parent;
311 1.1 uch
312 1.1 uch paa.paa_busname = "pcmcia";
313 1.1 uch paa.pct = (pcmcia_chipset_tag_t)&plumpcmcia_functions;
314 1.1 uch paa.pch = (pcmcia_chipset_handle_t)ph;
315 1.6 uch paa.iobase = 0;
316 1.6 uch paa.iosize = ph->ph_iosize;
317 1.1 uch
318 1.1 uch if ((ph->ph_pcmcia = config_found_sm((void*)sc, &paa,
319 1.7 uch plumpcmcia_print,
320 1.7 uch plumpcmcia_submatch))) {
321 1.1 uch /* Enable slot */
322 1.1 uch plum_conf_write(ph->ph_regt, ph->ph_regh,
323 1.7 uch PLUM_PCMCIA_SLOTCTRL,
324 1.7 uch PLUM_PCMCIA_SLOTCTRL_ENABLE);
325 1.1 uch /* Support 3.3V card & enable Voltage Sense Status */
326 1.1 uch plum_conf_write(ph->ph_regt, ph->ph_regh,
327 1.7 uch PLUM_PCMCIA_FUNCCTRL,
328 1.7 uch PLUM_PCMCIA_FUNCCTRL_VSSEN |
329 1.7 uch PLUM_PCMCIA_FUNCCTRL_3VSUPPORT);
330 1.1 uch pcmcia_card_attach(ph->ph_pcmcia);
331 1.1 uch }
332 1.1 uch }
333 1.1 uch
334 1.4 uch static void *
335 1.4 uch plumpcmcia_chip_intr_establish(pcmcia_chipset_handle_t pch,
336 1.7 uch struct pcmcia_function *pf, int ipl,
337 1.7 uch int (*ih_fun)(void *), void *ih_arg)
338 1.1 uch {
339 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
340 1.1 uch struct plumpcmcia_softc *sc = (void*)ph->ph_parent;
341 1.1 uch
342 1.1 uch if (!(ph->ph_card_ih =
343 1.7 uch plum_intr_establish(sc->sc_pc, ph->ph_plum_irq,
344 1.7 uch IST_EDGE, IPL_BIO, ih_fun, ih_arg))) {
345 1.1 uch printf("plumpcmcia_chip_intr_establish: can't establish\n");
346 1.7 uch return (0);
347 1.1 uch }
348 1.1 uch
349 1.7 uch return (ph->ph_card_ih);
350 1.1 uch }
351 1.1 uch
352 1.4 uch static void
353 1.4 uch plumpcmcia_chip_intr_disestablish(pcmcia_chipset_handle_t pch, void *ih)
354 1.1 uch {
355 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
356 1.1 uch struct plumpcmcia_softc *sc = (void*)ph->ph_parent;
357 1.1 uch
358 1.1 uch plum_intr_disestablish(sc->sc_pc, ih);
359 1.1 uch }
360 1.1 uch
361 1.4 uch static int
362 1.4 uch plumpcmcia_chip_mem_alloc(pcmcia_chipset_handle_t pch, bus_size_t size,
363 1.7 uch struct pcmcia_mem_handle *pcmhp)
364 1.1 uch {
365 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
366 1.1 uch bus_size_t realsize;
367 1.1 uch
368 1.1 uch /* convert size to PCIC pages */
369 1.1 uch realsize = ((size + (PLUM_PCMCIA_MEM_PAGESIZE - 1)) /
370 1.7 uch PLUM_PCMCIA_MEM_PAGESIZE) * PLUM_PCMCIA_MEM_PAGESIZE;
371 1.1 uch
372 1.1 uch if (bus_space_alloc(ph->ph_memt, ph->ph_membase,
373 1.7 uch ph->ph_membase + ph->ph_memsize,
374 1.7 uch realsize, PLUM_PCMCIA_MEM_PAGESIZE,
375 1.7 uch 0, 0, 0, &pcmhp->memh)) {
376 1.7 uch return (1);
377 1.1 uch }
378 1.1 uch
379 1.1 uch pcmhp->memt = ph->ph_memt;
380 1.1 uch /* Address offset from MEM area base */
381 1.8 takemura pcmhp->addr = pcmhp->memh - ph->ph_membase -
382 1.8 takemura ((struct bus_space_tag_hpcmips*)ph->ph_memt)->base;
383 1.1 uch pcmhp->size = size;
384 1.1 uch pcmhp->realsize = realsize;
385 1.1 uch
386 1.1 uch DPRINTF(("plumpcmcia_chip_mem_alloc: size %#x->%#x addr %#x->%#x\n",
387 1.7 uch (unsigned)size, (unsigned)realsize, (unsigned)pcmhp->addr,
388 1.7 uch (unsigned)pcmhp->memh));
389 1.1 uch
390 1.7 uch return (0);
391 1.1 uch }
392 1.1 uch
393 1.4 uch static void
394 1.4 uch plumpcmcia_chip_mem_free(pcmcia_chipset_handle_t pch,
395 1.7 uch struct pcmcia_mem_handle *pcmhp)
396 1.1 uch {
397 1.7 uch
398 1.1 uch bus_space_free(pcmhp->memt, pcmhp->memh, pcmhp->size);
399 1.1 uch }
400 1.1 uch
401 1.4 uch static int
402 1.4 uch plumpcmcia_chip_mem_map(pcmcia_chipset_handle_t pch, int kind,
403 1.7 uch bus_addr_t card_addr, bus_size_t size,
404 1.7 uch struct pcmcia_mem_handle *pcmhp,
405 1.9 soren bus_size_t *offsetp, int *windowp)
406 1.1 uch {
407 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
408 1.1 uch bus_addr_t busaddr;
409 1.1 uch int32_t card_offset;
410 1.1 uch int i, win;
411 1.1 uch
412 1.1 uch for (win = -1, i = 0; i < PLUM_PCMCIA_MEM_WINS; i++) {
413 1.1 uch if ((ph->ph_memalloc & (1 << i)) == 0) {
414 1.1 uch win = i;
415 1.1 uch ph->ph_memalloc |= (1 << i);
416 1.1 uch break;
417 1.1 uch }
418 1.1 uch }
419 1.1 uch if (win == -1) {
420 1.1 uch DPRINTF(("plumpcmcia_chip_mem_map: no window\n"));
421 1.7 uch return (1);
422 1.1 uch }
423 1.1 uch
424 1.1 uch busaddr = pcmhp->addr;
425 1.1 uch
426 1.1 uch *offsetp = card_addr % PLUM_PCMCIA_MEM_PAGESIZE;
427 1.1 uch card_addr -= *offsetp;
428 1.1 uch size += *offsetp - 1;
429 1.1 uch *windowp = win;
430 1.1 uch card_offset = (((int32_t)card_addr) - ((int32_t)busaddr));
431 1.1 uch
432 1.1 uch DPRINTF(("plumpcmcia_chip_mem_map window %d bus %#x(kv:%#x)+%#x"
433 1.7 uch " size %#x at card addr %#x offset %#x\n", win,
434 1.7 uch (unsigned)busaddr, (unsigned)pcmhp->memh, (unsigned)*offsetp,
435 1.7 uch (unsigned)size, (unsigned)card_addr, (unsigned)card_offset));
436 1.1 uch
437 1.1 uch ph->ph_mem[win].pm_addr = busaddr;
438 1.1 uch ph->ph_mem[win].pm_size = size;
439 1.1 uch ph->ph_mem[win].pm_offset = card_offset;
440 1.1 uch ph->ph_mem[win].pm_kind = kind;
441 1.1 uch ph->ph_memalloc |= (1 << win);
442 1.1 uch
443 1.1 uch plumpcmcia_chip_do_mem_map(ph, win);
444 1.1 uch
445 1.7 uch return (0);
446 1.1 uch }
447 1.1 uch
448 1.4 uch static void
449 1.4 uch plumpcmcia_chip_do_mem_map(struct plumpcmcia_handle *ph, int win)
450 1.1 uch {
451 1.1 uch bus_space_tag_t regt = ph->ph_regt;
452 1.1 uch bus_space_handle_t regh = ph->ph_regh;
453 1.1 uch plumreg_t reg, addr, offset, size;
454 1.1 uch
455 1.1 uch if (win < 0 || win > 4) {
456 1.1 uch panic("plumpcmcia_chip_do_mem_map: bogus window %d", win);
457 1.1 uch }
458 1.1 uch
459 1.1 uch addr = (ph->ph_mem[win].pm_addr) >> PLUM_PCMCIA_MEM_SHIFT;
460 1.1 uch size = (ph->ph_mem[win].pm_size) >> PLUM_PCMCIA_MEM_SHIFT;
461 1.1 uch offset = (ph->ph_mem[win].pm_offset) >> PLUM_PCMCIA_MEM_SHIFT;
462 1.1 uch
463 1.1 uch /* Attribute memory or not */
464 1.1 uch reg = ph->ph_mem[win].pm_kind == PCMCIA_MEM_ATTR ?
465 1.7 uch PLUM_PCMCIA_MEMWINCTRL_REGACTIVE : 0;
466 1.1 uch
467 1.1 uch /* Notify I/O area to select for PCMCIA controller */
468 1.1 uch reg = PLUM_PCMCIA_MEMWINCTRL_MAP_SET(reg, ph->ph_memarea);
469 1.1 uch
470 1.1 uch /* Zero wait & 16bit access */
471 1.1 uch reg |= (PLUM_PCMCIA_MEMWINCTRL_ZERO_WS |
472 1.7 uch PLUM_PCMCIA_MEMWINCTRL_DATASIZE16);
473 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_MEMWINCTRL(win), reg);
474 1.1 uch
475 1.1 uch /* Map Host <-> PC-Card address */
476 1.1 uch
477 1.1 uch /* host-side */
478 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_MEMWINSTARTADDR(win),
479 1.7 uch addr);
480 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_MEMWINSTOPADDR(win),
481 1.7 uch addr + size);
482 1.1 uch
483 1.1 uch /* card-side */
484 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_MEMWINOFSADDR(win), offset);
485 1.1 uch
486 1.1 uch /* Enable memory window */
487 1.1 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_WINEN);
488 1.1 uch reg |= PLUM_PCMCIA_WINEN_MEM(win);
489 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_WINEN, reg);
490 1.1 uch
491 1.2 uch DPRINTF(("plumpcmcia_chip_do_mem_map: window:%d %#x(%#x)+%#x\n",
492 1.7 uch win, offset, addr, size));
493 1.1 uch
494 1.1 uch delay(100);
495 1.1 uch }
496 1.1 uch
497 1.4 uch static void
498 1.4 uch plumpcmcia_chip_mem_unmap(pcmcia_chipset_handle_t pch, int window)
499 1.1 uch {
500 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
501 1.1 uch bus_space_tag_t regt = ph->ph_regt;
502 1.1 uch bus_space_handle_t regh = ph->ph_regh;
503 1.1 uch plumreg_t reg;
504 1.1 uch
505 1.1 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_WINEN);
506 1.1 uch reg &= ~PLUM_PCMCIA_WINEN_MEM(window);
507 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_WINEN, reg);
508 1.1 uch
509 1.1 uch ph->ph_memalloc &= ~(1 << window);
510 1.1 uch }
511 1.1 uch
512 1.4 uch static int
513 1.4 uch plumpcmcia_chip_io_alloc(pcmcia_chipset_handle_t pch, bus_addr_t start,
514 1.7 uch bus_size_t size, bus_size_t align,
515 1.7 uch struct pcmcia_io_handle *pcihp)
516 1.1 uch {
517 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
518 1.1 uch
519 1.1 uch DPRINTF(("plumpcmcia_chip_io_alloc: start=%#x size=%#x ",
520 1.7 uch (unsigned)start, (unsigned)size));
521 1.1 uch if (start) {
522 1.1 uch if (bus_space_map(ph->ph_iot, ph->ph_iobase + start,
523 1.7 uch size, 0, &pcihp->ioh)) {
524 1.1 uch DPRINTF(("bus_space_map failed\n"));
525 1.7 uch return (1);
526 1.1 uch }
527 1.1 uch pcihp->flags = 0;
528 1.2 uch pcihp->addr = start;
529 1.4 uch DPRINTF(("(mapped) %#x+%#x\n", (unsigned)start,
530 1.7 uch (unsigned)size));
531 1.1 uch } else {
532 1.1 uch if (bus_space_alloc(ph->ph_iot, ph->ph_iobase,
533 1.7 uch ph->ph_iobase + ph->ph_iosize, size,
534 1.7 uch align, 0, 0, 0, &pcihp->ioh)) {
535 1.1 uch DPRINTF(("bus_space_alloc failed\n"));
536 1.1 uch return 1;
537 1.1 uch }
538 1.2 uch /* Address offset from IO area base */
539 1.2 uch pcihp->addr = pcihp->ioh - ph->ph_iobase -
540 1.8 takemura ((struct bus_space_tag_hpcmips*)ph->ph_iot)->base;
541 1.1 uch pcihp->flags = PCMCIA_IO_ALLOCATED;
542 1.4 uch DPRINTF(("(allocated) %#x+%#x\n", (unsigned)pcihp->addr,
543 1.7 uch (unsigned)size));
544 1.1 uch }
545 1.1 uch
546 1.1 uch pcihp->iot = ph->ph_iot;
547 1.1 uch pcihp->size = size;
548 1.1 uch
549 1.7 uch return (0);
550 1.1 uch }
551 1.1 uch
552 1.4 uch static int
553 1.4 uch plumpcmcia_chip_io_map(pcmcia_chipset_handle_t pch, int width,
554 1.7 uch bus_addr_t offset, bus_size_t size,
555 1.7 uch struct pcmcia_io_handle *pcihp, int *windowp)
556 1.1 uch {
557 1.10 uch #ifdef PLUMPCMCIA_DEBUG
558 1.1 uch static char *width_names[] = { "auto", "io8", "io16" };
559 1.10 uch #endif /* PLUMPCMCIA_DEBUG */
560 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
561 1.1 uch bus_addr_t winofs;
562 1.1 uch int i, win;
563 1.1 uch
564 1.2 uch winofs = pcihp->addr + offset;
565 1.2 uch
566 1.2 uch if (winofs > 0x3ff) {
567 1.3 takemura printf("plumpcmcia_chip_io_map: WARNING port %#lx > 0x3ff\n",
568 1.7 uch winofs);
569 1.2 uch }
570 1.1 uch
571 1.1 uch for (win = -1, i = 0; i < PLUM_PCMCIA_IO_WINS; i++) {
572 1.1 uch if ((ph->ph_ioalloc & (1 << i)) == 0) {
573 1.1 uch win = i;
574 1.1 uch ph->ph_ioalloc |= (1 << i);
575 1.1 uch break;
576 1.1 uch }
577 1.1 uch }
578 1.1 uch if (win == -1) {
579 1.1 uch DPRINTF(("plumpcmcia_chip_io_map: no window\n"));
580 1.7 uch return (1);
581 1.1 uch }
582 1.1 uch *windowp = win;
583 1.1 uch
584 1.1 uch ph->ph_io[win].pi_addr = winofs;
585 1.1 uch ph->ph_io[win].pi_size = size;
586 1.1 uch ph->ph_io[win].pi_width = width;
587 1.1 uch
588 1.1 uch plumpcmcia_chip_do_io_map(ph, win);
589 1.1 uch
590 1.1 uch DPRINTF(("plumpcmcia_chip_io_map: %#x(kv:%#x)+%#x %s\n",
591 1.7 uch (unsigned)offset, (unsigned)pcihp->ioh, (unsigned)size,
592 1.7 uch width_names[width]));
593 1.1 uch
594 1.7 uch return (0);
595 1.1 uch }
596 1.1 uch
597 1.4 uch static void
598 1.4 uch plumpcmcia_chip_do_io_map(struct plumpcmcia_handle *ph, int win)
599 1.1 uch {
600 1.1 uch bus_space_tag_t regt = ph->ph_regt;
601 1.1 uch bus_space_handle_t regh = ph->ph_regh;
602 1.1 uch plumreg_t reg;
603 1.1 uch bus_addr_t addr;
604 1.1 uch bus_size_t size;
605 1.1 uch int shift;
606 1.1 uch plumreg_t ioctlbits[3] = {
607 1.1 uch PLUM_PCMCIA_IOWINCTRL_IOCS16SRC,
608 1.1 uch 0,
609 1.1 uch PLUM_PCMCIA_IOWINCTRL_DATASIZE16
610 1.1 uch };
611 1.1 uch
612 1.1 uch if (win < 0 || win > 1) {
613 1.1 uch panic("plumpcmcia_chip_do_io_map: bogus window %d", win);
614 1.1 uch }
615 1.1 uch
616 1.1 uch addr = ph->ph_io[win].pi_addr;
617 1.1 uch size = ph->ph_io[win].pi_size;
618 1.1 uch
619 1.1 uch /* Notify I/O area to select for PCMCIA controller */
620 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_IOWINADDRCTRL(win),
621 1.7 uch ph->ph_ioarea);
622 1.1 uch
623 1.1 uch /* Start/Stop addr */
624 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_IOWINSTARTADDR(win), addr);
625 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_IOWINSTOPADDR(win),
626 1.7 uch addr + size - 1);
627 1.1 uch
628 1.1 uch /* Set bus width */
629 1.1 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_IOWINCTRL);
630 1.1 uch shift = win == 0 ? PLUM_PCMCIA_IOWINCTRL_WIN0SHIFT :
631 1.7 uch PLUM_PCMCIA_IOWINCTRL_WIN1SHIFT;
632 1.1 uch
633 1.1 uch reg &= ~(PLUM_PCMCIA_IOWINCTRL_WINMASK << shift);
634 1.1 uch reg |= ((ioctlbits[ph->ph_io[win].pi_width] |
635 1.7 uch PLUM_PCMCIA_IOWINCTRL_ZEROWAIT) << shift);
636 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_IOWINCTRL, reg);
637 1.1 uch
638 1.1 uch /* Enable window */
639 1.1 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_WINEN);
640 1.1 uch reg |= (win == 0 ? PLUM_PCMCIA_WINEN_IO0 :
641 1.7 uch PLUM_PCMCIA_WINEN_IO1);
642 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_WINEN, reg);
643 1.1 uch
644 1.1 uch delay(100);
645 1.1 uch }
646 1.1 uch
647 1.4 uch static void
648 1.4 uch plumpcmcia_chip_io_free(pcmcia_chipset_handle_t pch,
649 1.7 uch struct pcmcia_io_handle *pcihp)
650 1.1 uch {
651 1.1 uch if (pcihp->flags & PCMCIA_IO_ALLOCATED) {
652 1.1 uch bus_space_free(pcihp->iot, pcihp->ioh, pcihp->size);
653 1.1 uch } else {
654 1.1 uch bus_space_unmap(pcihp->iot, pcihp->ioh, pcihp->size);
655 1.1 uch }
656 1.1 uch
657 1.1 uch DPRINTF(("plumpcmcia_chip_io_free %#x+%#x\n", pcihp->ioh,
658 1.7 uch (unsigned)pcihp->size));
659 1.1 uch }
660 1.1 uch
661 1.4 uch static void
662 1.4 uch plumpcmcia_chip_io_unmap(pcmcia_chipset_handle_t pch, int window)
663 1.1 uch {
664 1.1 uch struct plumpcmcia_handle *ph = (void*)pch;
665 1.1 uch bus_space_tag_t regt = ph->ph_regt;
666 1.1 uch bus_space_handle_t regh = ph->ph_regh;
667 1.1 uch plumreg_t reg;
668 1.1 uch
669 1.1 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_WINEN);
670 1.1 uch switch (window) {
671 1.1 uch default:
672 1.1 uch panic("plumpcmcia_chip_io_unmap: bogus window");
673 1.1 uch case 0:
674 1.1 uch reg &= ~PLUM_PCMCIA_WINEN_IO0;
675 1.1 uch break;
676 1.1 uch case 1:
677 1.1 uch reg &= ~PLUM_PCMCIA_WINEN_IO1;
678 1.1 uch break;
679 1.1 uch }
680 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_WINEN, reg);
681 1.1 uch ph->ph_ioalloc &= ~(1 << window);
682 1.1 uch }
683 1.1 uch
684 1.4 uch static void
685 1.4 uch plumpcmcia_wait_ready(struct plumpcmcia_handle *ph)
686 1.1 uch {
687 1.1 uch bus_space_tag_t regt = ph->ph_regt;
688 1.1 uch bus_space_handle_t regh = ph->ph_regh;
689 1.1 uch int i;
690 1.1 uch
691 1.1 uch for (i = 0; i < 10000; i++) {
692 1.1 uch if ((plum_conf_read(regt, regh, PLUM_PCMCIA_STATUS) &
693 1.1 uch PLUM_PCMCIA_STATUS_READY) &&
694 1.1 uch (plum_conf_read(regt, regh, PLUM_PCMCIA_STATUS) &
695 1.7 uch PLUM_PCMCIA_STATUS_PWROK)) {
696 1.1 uch return;
697 1.1 uch }
698 1.1 uch delay(500);
699 1.1 uch
700 1.1 uch if ((i > 5000) && (i % 100 == 99)) {
701 1.1 uch printf(".");
702 1.1 uch }
703 1.1 uch }
704 1.1 uch printf("plumpcmcia_wait_ready: failed\n");
705 1.1 uch }
706 1.1 uch
707 1.4 uch static void
708 1.4 uch plumpcmcia_chip_socket_enable(pcmcia_chipset_handle_t pch)
709 1.1 uch {
710 1.17 mycroft struct plumpcmcia_handle *ph = (void *)pch;
711 1.1 uch bus_space_tag_t regt = ph->ph_regt;
712 1.1 uch bus_space_handle_t regh = ph->ph_regh;
713 1.1 uch plumreg_t reg, power;
714 1.17 mycroft int win;
715 1.1 uch
716 1.1 uch /* this bit is mostly stolen from pcic_attach_card */
717 1.1 uch
718 1.17 mycroft /* set card type to memory to disable interrupts */
719 1.17 mycroft reg = plum_conf_read(regt, regh, PLUM_PCMCIA_GENCTRL);
720 1.17 mycroft reg &= ~PLUM_PCMCIA_GENCTRL_CARDTYPE_MASK;
721 1.17 mycroft plum_conf_write(regt, regh, PLUM_PCMCIA_GENCTRL, reg);
722 1.17 mycroft
723 1.17 mycroft /* zero out the address windows */
724 1.17 mycroft plum_conf_write(regt, regh, PLUM_PCMCIA_WINEN, 0);
725 1.17 mycroft
726 1.1 uch /* power down the socket to reset it, clear the card reset pin */
727 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_PWRCTRL, 0);
728 1.1 uch
729 1.1 uch /*
730 1.1 uch * wait 300ms until power fails (Tpf). Then, wait 100ms since
731 1.1 uch * we are changing Vcc (Toff).
732 1.1 uch */
733 1.1 uch delay((300 + 100) * 1000);
734 1.1 uch
735 1.1 uch /*
736 1.1 uch * power up the socket
737 1.1 uch */
738 1.1 uch /* detect voltage */
739 1.1 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_GENCTRL2);
740 1.1 uch if ((reg & PLUM_PCMCIA_GENCTRL2_VCC5V) ==
741 1.1 uch PLUM_PCMCIA_GENCTRL2_VCC5V) {
742 1.1 uch power = PLUM_PCMCIA_PWRCTRL_VCC_CTRLBIT1; /* 5V */
743 1.1 uch } else {
744 1.1 uch power = PLUM_PCMCIA_PWRCTRL_VCC_CTRLBIT0; /* 3.3V */
745 1.1 uch }
746 1.1 uch
747 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_PWRCTRL,
748 1.7 uch PLUM_PCMCIA_PWRCTRL_DISABLE_RESETDRV |
749 1.7 uch power |
750 1.7 uch PLUM_PCMCIA_PWRCTRL_PWR_ENABLE);
751 1.1 uch
752 1.1 uch /*
753 1.1 uch * wait 100ms until power raise (Tpr) and 20ms to become
754 1.1 uch * stable (Tsu(Vcc)).
755 1.1 uch *
756 1.1 uch * some machines require some more time to be settled
757 1.1 uch * (300ms is added here).
758 1.1 uch */
759 1.1 uch delay((100 + 20 + 300) * 1000);
760 1.1 uch
761 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_PWRCTRL,
762 1.7 uch PLUM_PCMCIA_PWRCTRL_DISABLE_RESETDRV |
763 1.7 uch power |
764 1.7 uch PLUM_PCMCIA_PWRCTRL_OE |
765 1.7 uch PLUM_PCMCIA_PWRCTRL_PWR_ENABLE);
766 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_GENCTRL, 0);
767 1.1 uch
768 1.1 uch /*
769 1.1 uch * hold RESET at least 10us.
770 1.1 uch */
771 1.1 uch delay(10);
772 1.1 uch
773 1.1 uch /* clear the reset flag */
774 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_GENCTRL,
775 1.7 uch PLUM_PCMCIA_GENCTRL_RESET);
776 1.1 uch
777 1.1 uch /* wait 20ms as per pc card standard (r2.01) section 4.3.6 */
778 1.1 uch
779 1.1 uch delay(20000);
780 1.1 uch
781 1.1 uch /* wait for the chip to finish initializing */
782 1.1 uch plumpcmcia_wait_ready(ph);
783 1.1 uch
784 1.1 uch /* reinstall all the memory and io mappings */
785 1.1 uch for (win = 0; win < PLUM_PCMCIA_MEM_WINS; win++) {
786 1.1 uch if (ph->ph_memalloc & (1 << win)) {
787 1.1 uch plumpcmcia_chip_do_mem_map(ph, win);
788 1.1 uch }
789 1.1 uch }
790 1.1 uch
791 1.1 uch for (win = 0; win < PLUM_PCMCIA_IO_WINS; win++) {
792 1.1 uch if (ph->ph_ioalloc & (1 << win)) {
793 1.1 uch plumpcmcia_chip_do_io_map(ph, win);
794 1.1 uch }
795 1.1 uch }
796 1.17 mycroft }
797 1.1 uch
798 1.17 mycroft static void
799 1.17 mycroft plumpcmcia_chip_socket_settype(pcmcia_chipset_handle_t pch, int type)
800 1.17 mycroft {
801 1.17 mycroft struct plumpcmcia_handle *ph = (void *)pch;
802 1.17 mycroft bus_space_tag_t regt = ph->ph_regt;
803 1.17 mycroft bus_space_handle_t regh = ph->ph_regh;
804 1.17 mycroft plumreg_t reg;
805 1.17 mycroft
806 1.17 mycroft /* set the card type */
807 1.17 mycroft
808 1.17 mycroft reg = plum_conf_read(regt, regh, PLUM_PCMCIA_GENCTRL);
809 1.17 mycroft reg &= ~PLUM_PCMCIA_GENCTRL_CARDTYPE_MASK;
810 1.17 mycroft if (type == PCMCIA_IFTYPE_IO)
811 1.17 mycroft reg |= PLUM_PCMCIA_GENCTRL_CARDTYPE_IO;
812 1.17 mycroft else
813 1.17 mycroft reg |= PLUM_PCMCIA_GENCTRL_CARDTYPE_MEM;
814 1.17 mycroft
815 1.17 mycroft DPRINTF(("%s: plumpcmcia_chip_socket_enable type %s %02x\n",
816 1.17 mycroft ph->ph_parent->dv_xname,
817 1.17 mycroft ((cardtype == PCMCIA_IFTYPE_IO) ? "io" : "mem"), reg));
818 1.17 mycroft
819 1.17 mycroft plum_conf_write(regt, regh, PLUM_PCMCIA_GENCTRL, reg);
820 1.1 uch }
821 1.1 uch
822 1.4 uch static void
823 1.4 uch plumpcmcia_chip_socket_disable(pcmcia_chipset_handle_t pch)
824 1.1 uch {
825 1.17 mycroft struct plumpcmcia_handle *ph = (void *)pch;
826 1.1 uch bus_space_tag_t regt = ph->ph_regt;
827 1.1 uch bus_space_handle_t regh = ph->ph_regh;
828 1.17 mycroft plumreg_t reg;
829 1.17 mycroft
830 1.17 mycroft /* set card type to memory to disable interrupts */
831 1.17 mycroft reg = plum_conf_read(regt, regh, PLUM_PCMCIA_GENCTRL);
832 1.17 mycroft reg &= ~PLUM_PCMCIA_GENCTRL_CARDTYPE_MASK;
833 1.17 mycroft plum_conf_write(regt, regh, PLUM_PCMCIA_GENCTRL, reg);
834 1.17 mycroft
835 1.17 mycroft /* zero out the address windows */
836 1.17 mycroft plum_conf_write(regt, regh, PLUM_PCMCIA_WINEN, 0);
837 1.1 uch
838 1.1 uch /* power down the socket */
839 1.1 uch plum_conf_write(regt, regh, PLUM_PCMCIA_PWRCTRL, 0);
840 1.1 uch
841 1.1 uch /*
842 1.1 uch * wait 300ms until power fails (Tpf).
843 1.1 uch */
844 1.1 uch delay(300 * 1000);
845 1.1 uch }
846 1.1 uch
847 1.4 uch static void
848 1.4 uch plum_csc_intr_setup(struct plumpcmcia_softc *sc, struct plumpcmcia_handle *ph,
849 1.7 uch int irq)
850 1.4 uch {
851 1.4 uch bus_space_tag_t regt = ph->ph_regt;
852 1.4 uch bus_space_handle_t regh = ph->ph_regh;
853 1.4 uch plumreg_t reg;
854 1.4 uch void *ih;
855 1.4 uch
856 1.4 uch /* enable CARD DETECT ENABLE only */
857 1.4 uch plum_conf_write(regt, regh, PLUM_PCMCIA_CSCINT,
858 1.7 uch PLUM_PCMCIA_CSCINT_CARD_DETECT);
859 1.4 uch
860 1.4 uch /* don't use explicit writeback csc interrupt status */
861 1.4 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_GLOBALCTRL);
862 1.4 uch reg &= ~PLUM_PCMCIA_GLOBALCTRL_EXPLICIT_WB_CSC_INT;
863 1.4 uch plum_conf_write(regt, regh, PLUM_PCMCIA_GLOBALCTRL, reg);
864 1.4 uch
865 1.4 uch /* install interrupt handler (don't fail) */
866 1.4 uch ih = plum_intr_establish(sc->sc_pc, irq, IST_EDGE, IPL_TTY,
867 1.7 uch plum_csc_intr, ph);
868 1.4 uch KASSERT(ih != 0);
869 1.4 uch }
870 1.4 uch
871 1.4 uch static int
872 1.4 uch plum_csc_intr(void *arg)
873 1.4 uch {
874 1.4 uch struct plumpcmcia_handle *ph = arg;
875 1.4 uch struct plumpcmcia_softc *sc = (void *)ph->ph_parent;
876 1.4 uch struct plumpcmcia_event *pe;
877 1.4 uch bus_space_tag_t regt = ph->ph_regt;
878 1.4 uch bus_space_handle_t regh = ph->ph_regh;
879 1.4 uch plumreg_t reg;
880 1.4 uch int flag;
881 1.1 uch
882 1.4 uch /* read and clear interrupt status */
883 1.4 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_CSCINT_STAT);
884 1.4 uch if (reg & PLUM_PCMCIA_CSCINT_CARD_DETECT) {
885 1.4 uch DPRINTF(("%s: card status change.\n", __FUNCTION__));
886 1.4 uch } else {
887 1.4 uch DPRINTF(("%s: unhandled csc event. 0x%02x\n",
888 1.7 uch __FUNCTION__, reg));
889 1.7 uch return (0);
890 1.4 uch }
891 1.4 uch
892 1.4 uch /* inquire card status (insert or remove) */
893 1.4 uch reg = plum_conf_read(regt, regh, PLUM_PCMCIA_STATUS);
894 1.4 uch reg &= (PLUM_PCMCIA_STATUS_CD1 | PLUM_PCMCIA_STATUS_CD2);
895 1.4 uch if (reg == (PLUM_PCMCIA_STATUS_CD1 | PLUM_PCMCIA_STATUS_CD2)) {
896 1.4 uch /* insert */
897 1.4 uch flag = PLUM_PCMCIA_EVENT_INSERT;
898 1.4 uch } else {
899 1.4 uch /* remove */
900 1.4 uch flag = PLUM_PCMCIA_EVENT_REMOVE;
901 1.4 uch }
902 1.4 uch
903 1.4 uch /* queue event to event thread and wakeup. */
904 1.4 uch pe = plumpcmcia_event_alloc();
905 1.4 uch if (pe == 0) {
906 1.4 uch printf("%s: event FIFO overflow (%d).\n", __FUNCTION__,
907 1.7 uch PLUM_PCMCIA_EVENT_QUEUE_MAX);
908 1.7 uch return (0);
909 1.4 uch }
910 1.4 uch pe->pe_type = flag;
911 1.4 uch pe->pe_ph = ph;
912 1.4 uch SIMPLEQ_INSERT_TAIL(&sc->sc_event_head, pe, pe_link);
913 1.4 uch wakeup(sc);
914 1.4 uch
915 1.7 uch return (0);
916 1.4 uch }
917 1.4 uch
918 1.4 uch static struct plumpcmcia_event *
919 1.4 uch plumpcmcia_event_alloc()
920 1.4 uch {
921 1.4 uch int i;
922 1.4 uch /* I assume called from interrupt context only. so don't lock */
923 1.4 uch for (i = 0; i < PLUM_PCMCIA_EVENT_QUEUE_MAX; i++) {
924 1.4 uch if (!__event_queue_pool[i].__queued) {
925 1.4 uch __event_queue_pool[i].__queued = 1;
926 1.7 uch return (&__event_queue_pool[i]);
927 1.4 uch }
928 1.4 uch }
929 1.4 uch
930 1.7 uch return (0);
931 1.4 uch }
932 1.4 uch
933 1.4 uch static void
934 1.4 uch plumpcmcia_event_free(struct plumpcmcia_event *pe)
935 1.4 uch {
936 1.4 uch /* I assume context is already locked */
937 1.4 uch pe->__queued = 0;
938 1.4 uch }
939 1.4 uch
940 1.4 uch static void
941 1.4 uch plumpcmcia_create_event_thread(void *arg)
942 1.4 uch {
943 1.4 uch struct plumpcmcia_softc *sc = arg;
944 1.4 uch int error;
945 1.4 uch
946 1.4 uch error = kthread_create1(plumpcmcia_event_thread, sc,
947 1.7 uch &sc->sc_event_thread, "%s",
948 1.7 uch sc->sc_dev.dv_xname);
949 1.4 uch KASSERT(error == 0);
950 1.4 uch }
951 1.4 uch
952 1.4 uch static void
953 1.4 uch plumpcmcia_event_thread(void *arg)
954 1.4 uch {
955 1.4 uch struct plumpcmcia_softc *sc = arg;
956 1.4 uch struct plumpcmcia_event *pe;
957 1.4 uch int s;
958 1.4 uch
959 1.4 uch while (/*CONSTCOND*/1) { /* XXX shutdown. -uch */
960 1.4 uch tsleep(sc, PWAIT, "CSC wait", 0);
961 1.4 uch s = spltty();
962 1.4 uch while ((pe = SIMPLEQ_FIRST(&sc->sc_event_head))) {
963 1.4 uch splx(s);
964 1.4 uch switch (pe->pe_type) {
965 1.4 uch default:
966 1.4 uch printf("%s: unknown event.\n", __FUNCTION__);
967 1.4 uch break;
968 1.4 uch case PLUM_PCMCIA_EVENT_INSERT:
969 1.4 uch DPRINTF(("%s: insert event.\n", __FUNCTION__));
970 1.4 uch pcmcia_card_attach(pe->pe_ph->ph_pcmcia);
971 1.4 uch break;
972 1.4 uch case PLUM_PCMCIA_EVENT_REMOVE:
973 1.4 uch DPRINTF(("%s: remove event.\n", __FUNCTION__));
974 1.4 uch pcmcia_card_detach(pe->pe_ph->ph_pcmcia,
975 1.7 uch DETACH_FORCE);
976 1.4 uch break;
977 1.4 uch }
978 1.4 uch s = spltty();
979 1.11 lukem SIMPLEQ_REMOVE_HEAD(&sc->sc_event_head, pe_link);
980 1.4 uch plumpcmcia_event_free(pe);
981 1.4 uch }
982 1.4 uch splx(s);
983 1.4 uch }
984 1.4 uch /* NOTREACHED */
985 1.5 uch }
986 1.5 uch
987 1.5 uch /* power XXX notyet */
988 1.5 uch int
989 1.5 uch plumpcmcia_power(void *ctx, int type, long id, void *msg)
990 1.5 uch {
991 1.5 uch struct plumpcmcia_softc *sc = ctx;
992 1.5 uch bus_space_tag_t regt = sc->sc_regt;
993 1.5 uch bus_space_handle_t regh = sc->sc_regh;
994 1.5 uch int why = (int)msg;
995 1.5 uch
996 1.5 uch switch (why) {
997 1.5 uch case PWR_RESUME:
998 1.5 uch DPRINTF(("%s: ON\n", sc->sc_dev.dv_xname));
999 1.5 uch /* power on */
1000 1.5 uch plum_conf_write(regt, regh, PLUM_PCMCIA_CARDPWRCTRL,
1001 1.7 uch PLUM_PCMCIA_CARDPWRCTRL_ON);
1002 1.5 uch break;
1003 1.5 uch case PWR_SUSPEND:
1004 1.5 uch /* FALLTHROUGH */
1005 1.5 uch case PWR_STANDBY:
1006 1.5 uch plum_conf_write(regt, regh, PLUM_PCMCIA_CARDPWRCTRL,
1007 1.7 uch PLUM_PCMCIA_CARDPWRCTRL_OFF);
1008 1.5 uch DPRINTF(("%s: OFF\n", sc->sc_dev.dv_xname));
1009 1.5 uch break;
1010 1.5 uch }
1011 1.5 uch
1012 1.7 uch return (0);
1013 1.4 uch }
1014 1.4 uch
1015 1.10 uch #ifdef PLUMPCMCIA_DEBUG
1016 1.4 uch static void
1017 1.4 uch __ioareadump(plumreg_t reg)
1018 1.1 uch {
1019 1.7 uch
1020 1.1 uch if (reg & PLUM_PCMCIA_IOWINADDRCTRL_AREA2) {
1021 1.1 uch printf("I/O Area 2\n");
1022 1.1 uch } else {
1023 1.1 uch printf("I/O Area 1\n");
1024 1.1 uch }
1025 1.1 uch }
1026 1.1 uch
1027 1.4 uch static void
1028 1.10 uch __memareadump(plumreg_t reg)
1029 1.10 uch {
1030 1.10 uch int maparea;
1031 1.10 uch
1032 1.10 uch maparea = PLUM_PCMCIA_MEMWINCTRL_MAP(reg);
1033 1.10 uch switch (maparea) {
1034 1.10 uch case PLUM_PCMCIA_MEMWINCTRL_MAP_AREA1:
1035 1.10 uch printf("MEM Area1\n");
1036 1.10 uch break;
1037 1.10 uch case PLUM_PCMCIA_MEMWINCTRL_MAP_AREA2:
1038 1.10 uch printf("MEM Area2\n");
1039 1.10 uch break;
1040 1.10 uch case PLUM_PCMCIA_MEMWINCTRL_MAP_AREA3:
1041 1.10 uch printf("MEM Area3\n");
1042 1.10 uch break;
1043 1.10 uch case PLUM_PCMCIA_MEMWINCTRL_MAP_AREA4:
1044 1.10 uch printf("MEM Area4\n");
1045 1.10 uch break;
1046 1.10 uch }
1047 1.10 uch }
1048 1.10 uch
1049 1.10 uch static void
1050 1.4 uch plumpcmcia_dump(struct plumpcmcia_softc *sc)
1051 1.1 uch {
1052 1.1 uch bus_space_tag_t regt = sc->sc_regt;
1053 1.1 uch bus_space_handle_t regh = sc->sc_regh;
1054 1.1 uch plumreg_t reg;
1055 1.1 uch
1056 1.1 uch int i, j;
1057 1.1 uch
1058 1.1 uch __memareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_MEMWIN0CTRL));
1059 1.1 uch __memareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_MEMWIN1CTRL));
1060 1.1 uch __memareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_MEMWIN2CTRL));
1061 1.1 uch __memareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_MEMWIN3CTRL));
1062 1.1 uch __memareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_MEMWIN4CTRL));
1063 1.1 uch
1064 1.1 uch __ioareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_IOWIN0ADDRCTRL));
1065 1.1 uch __ioareadump(plum_conf_read(regt, regh, PLUM_PCMCIA_IOWIN1ADDRCTRL));
1066 1.1 uch
1067 1.1 uch for (j = 0; j < 2; j++) {
1068 1.1 uch printf("[slot %d]\n", j);
1069 1.1 uch for (i = 0; i < 0x120; i += 4) {
1070 1.7 uch reg = plum_conf_read(sc->sc_regt, sc->sc_regh,
1071 1.7 uch i + 0x800 * j);
1072 1.1 uch printf("%03x %08x", i, reg);
1073 1.10 uch dbg_bit_print(reg);
1074 1.1 uch }
1075 1.1 uch }
1076 1.1 uch printf("\n");
1077 1.1 uch }
1078 1.10 uch #endif /* PLUMPCMCIA_DEBUG */
1079