auich.c revision 1.100 1 /* $NetBSD: auich.c,v 1.100 2005/12/02 19:47:52 xtraeme Exp $ */
2
3 /*-
4 * Copyright (c) 2000, 2004, 2005 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe and by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Copyright (c) 2000 Michael Shalayeff
41 * All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. The name of the author may not be used to endorse or promote products
52 * derived from this software without specific prior written permission.
53 *
54 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
55 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
56 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
57 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
58 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
59 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
60 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
61 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
62 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
63 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
64 * THE POSSIBILITY OF SUCH DAMAGE.
65 *
66 * from OpenBSD: ich.c,v 1.3 2000/08/11 06:17:18 mickey Exp
67 */
68
69 /*
70 * Copyright (c) 2000 Katsurajima Naoto <raven (at) katsurajima.seya.yokohama.jp>
71 * Copyright (c) 2001 Cameron Grant <cg (at) freebsd.org>
72 * All rights reserved.
73 *
74 * Redistribution and use in source and binary forms, with or without
75 * modification, are permitted provided that the following conditions
76 * are met:
77 * 1. Redistributions of source code must retain the above copyright
78 * notice, this list of conditions and the following disclaimer.
79 * 2. Redistributions in binary form must reproduce the above copyright
80 * notice, this list of conditions and the following disclaimer in the
81 * documentation and/or other materials provided with the distribution.
82 *
83 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
84 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
85 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
86 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
87 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
88 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
89 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
90 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
91 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
92 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF
93 * SUCH DAMAGE.
94 *
95 * auich_calibrate() was from FreeBSD: ich.c,v 1.22 2002/06/27 22:36:01 scottl Exp
96 */
97
98
99 /* #define AUICH_DEBUG */
100 /*
101 * AC'97 audio found on Intel 810/820/440MX chipsets.
102 * http://developer.intel.com/design/chipsets/datashts/290655.htm
103 * http://developer.intel.com/design/chipsets/manuals/298028.htm
104 * ICH3:http://www.intel.com/design/chipsets/datashts/290716.htm
105 * ICH4:http://www.intel.com/design/chipsets/datashts/290744.htm
106 * ICH5:http://www.intel.com/design/chipsets/datashts/252516.htm
107 * AMD8111:
108 * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/24674.pdf
109 * http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25720.pdf
110 *
111 * TODO:
112 * - Add support for the dedicated microphone input.
113 *
114 * NOTE:
115 * - The 440MX B-stepping at running 100MHz has a hardware erratum.
116 * It causes PCI master abort and hangups until cold reboot.
117 * http://www.intel.com/design/chipsets/specupdt/245051.htm
118 */
119
120 #include <sys/cdefs.h>
121 __KERNEL_RCSID(0, "$NetBSD: auich.c,v 1.100 2005/12/02 19:47:52 xtraeme Exp $");
122
123 #include <sys/param.h>
124 #include <sys/systm.h>
125 #include <sys/kernel.h>
126 #include <sys/malloc.h>
127 #include <sys/device.h>
128 #include <sys/fcntl.h>
129 #include <sys/proc.h>
130 #include <sys/sysctl.h>
131
132 #include <uvm/uvm_extern.h> /* for PAGE_SIZE */
133
134 #include <dev/pci/pcidevs.h>
135 #include <dev/pci/pcivar.h>
136 #include <dev/pci/auichreg.h>
137
138 #include <sys/audioio.h>
139 #include <dev/audio_if.h>
140 #include <dev/mulaw.h>
141 #include <dev/auconv.h>
142
143 #include <machine/bus.h>
144
145 #include <dev/ic/ac97reg.h>
146 #include <dev/ic/ac97var.h>
147
148 struct auich_dma {
149 bus_dmamap_t map;
150 caddr_t addr;
151 bus_dma_segment_t segs[1];
152 int nsegs;
153 size_t size;
154 struct auich_dma *next;
155 };
156
157 #define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
158 #define KERNADDR(p) ((void *)((p)->addr))
159
160 struct auich_cdata {
161 struct auich_dmalist ic_dmalist_pcmo[ICH_DMALIST_MAX];
162 struct auich_dmalist ic_dmalist_pcmi[ICH_DMALIST_MAX];
163 struct auich_dmalist ic_dmalist_mici[ICH_DMALIST_MAX];
164 };
165
166 #define ICH_CDOFF(x) offsetof(struct auich_cdata, x)
167 #define ICH_PCMO_OFF(x) ICH_CDOFF(ic_dmalist_pcmo[(x)])
168 #define ICH_PCMI_OFF(x) ICH_CDOFF(ic_dmalist_pcmi[(x)])
169 #define ICH_MICI_OFF(x) ICH_CDOFF(ic_dmalist_mici[(x)])
170
171 struct auich_softc {
172 struct device sc_dev;
173 void *sc_ih;
174
175 struct device *sc_audiodev;
176 audio_device_t sc_audev;
177
178 pci_chipset_tag_t sc_pc;
179 pcitag_t sc_pt;
180 bus_space_tag_t iot;
181 bus_space_handle_t mix_ioh;
182 bus_size_t mix_size;
183 bus_space_handle_t aud_ioh;
184 bus_size_t aud_size;
185 bus_dma_tag_t dmat;
186
187 struct ac97_codec_if *codec_if;
188 struct ac97_host_if host_if;
189 int sc_codecnum;
190 int sc_codectype;
191
192 /* DMA scatter-gather lists. */
193 bus_dmamap_t sc_cddmamap;
194 #define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
195
196 struct auich_cdata *sc_cdata;
197
198 struct auich_ring {
199 int qptr;
200 struct auich_dmalist *dmalist;
201
202 uint32_t start, p, end;
203 int blksize;
204
205 void (*intr)(void *);
206 void *arg;
207 } pcmo, pcmi, mici;
208
209 struct auich_dma *sc_dmas;
210
211 /* SiS 7012 hack */
212 int sc_sample_shift;
213 int sc_sts_reg;
214 /* 440MX workaround */
215 int sc_dmamap_flags;
216
217 /* Power Management */
218 void *sc_powerhook;
219 int sc_suspend;
220 struct pci_conf_state sc_pciconf;
221
222 /* sysctl */
223 struct sysctllog *sc_log;
224 uint32_t sc_ac97_clock;
225 int sc_ac97_clock_mib;
226
227 int sc_modem_offset;
228
229 #define AUICH_AUDIO_NFORMATS 3
230 #define AUICH_MODEM_NFORMATS 1
231 struct audio_format sc_audio_formats[AUICH_AUDIO_NFORMATS];
232 struct audio_format sc_modem_formats[AUICH_MODEM_NFORMATS];
233 struct audio_encoding_set *sc_encodings;
234 };
235
236 /* Debug */
237 #ifdef AUICH_DEBUG
238 #define DPRINTF(l,x) do { if (auich_debug & (l)) printf x; } while(0)
239 int auich_debug = 0xfffe;
240 #define ICH_DEBUG_CODECIO 0x0001
241 #define ICH_DEBUG_DMA 0x0002
242 #define ICH_DEBUG_INTR 0x0004
243 #else
244 #define DPRINTF(x,y) /* nothing */
245 #endif
246
247 static int auich_match(struct device *, struct cfdata *, void *);
248 static void auich_attach(struct device *, struct device *, void *);
249 static int auich_detach(struct device *, int);
250 static int auich_activate(struct device *, enum devact);
251 static int auich_intr(void *);
252
253 CFATTACH_DECL(auich, sizeof(struct auich_softc),
254 auich_match, auich_attach, auich_detach, auich_activate);
255
256 static int auich_query_encoding(void *, struct audio_encoding *);
257 static int auich_set_params(void *, int, int, audio_params_t *,
258 audio_params_t *, stream_filter_list_t *,
259 stream_filter_list_t *);
260 static int auich_round_blocksize(void *, int, int, const audio_params_t *);
261 static void auich_halt_pipe(struct auich_softc *, int);
262 static int auich_halt_output(void *);
263 static int auich_halt_input(void *);
264 static int auich_getdev(void *, struct audio_device *);
265 static int auich_set_port(void *, mixer_ctrl_t *);
266 static int auich_get_port(void *, mixer_ctrl_t *);
267 static int auich_query_devinfo(void *, mixer_devinfo_t *);
268 static void *auich_allocm(void *, int, size_t, struct malloc_type *, int);
269 static void auich_freem(void *, void *, struct malloc_type *);
270 static size_t auich_round_buffersize(void *, int, size_t);
271 static paddr_t auich_mappage(void *, void *, off_t, int);
272 static int auich_get_props(void *);
273 static void auich_trigger_pipe(struct auich_softc *, int, struct auich_ring *);
274 static void auich_intr_pipe(struct auich_softc *, int, struct auich_ring *);
275 static int auich_trigger_output(void *, void *, void *, int,
276 void (*)(void *), void *, const audio_params_t *);
277 static int auich_trigger_input(void *, void *, void *, int,
278 void (*)(void *), void *, const audio_params_t *);
279
280 static int auich_alloc_cdata(struct auich_softc *);
281
282 static int auich_allocmem(struct auich_softc *, size_t, size_t,
283 struct auich_dma *);
284 static int auich_freemem(struct auich_softc *, struct auich_dma *);
285
286 static void auich_powerhook(int, void *);
287 static int auich_set_rate(struct auich_softc *, int, u_long);
288 static int auich_sysctl_verify(SYSCTLFN_ARGS);
289 static void auich_finish_attach(struct device *);
290 static void auich_calibrate(struct auich_softc *);
291 static void auich_clear_cas(struct auich_softc *);
292
293 static int auich_attach_codec(void *, struct ac97_codec_if *);
294 static int auich_read_codec(void *, uint8_t, uint16_t *);
295 static int auich_write_codec(void *, uint8_t, uint16_t);
296 static int auich_reset_codec(void *);
297
298 static const struct audio_hw_if auich_hw_if = {
299 NULL, /* open */
300 NULL, /* close */
301 NULL, /* drain */
302 auich_query_encoding,
303 auich_set_params,
304 auich_round_blocksize,
305 NULL, /* commit_setting */
306 NULL, /* init_output */
307 NULL, /* init_input */
308 NULL, /* start_output */
309 NULL, /* start_input */
310 auich_halt_output,
311 auich_halt_input,
312 NULL, /* speaker_ctl */
313 auich_getdev,
314 NULL, /* getfd */
315 auich_set_port,
316 auich_get_port,
317 auich_query_devinfo,
318 auich_allocm,
319 auich_freem,
320 auich_round_buffersize,
321 auich_mappage,
322 auich_get_props,
323 auich_trigger_output,
324 auich_trigger_input,
325 NULL, /* dev_ioctl */
326 };
327
328 #define AUICH_FORMATS_1CH 0
329 #define AUICH_FORMATS_4CH 1
330 #define AUICH_FORMATS_6CH 2
331 static const struct audio_format auich_audio_formats[AUICH_AUDIO_NFORMATS] = {
332 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
333 2, AUFMT_STEREO, 0, {8000, 48000}},
334 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
335 4, AUFMT_SURROUND4, 0, {8000, 48000}},
336 {NULL, AUMODE_PLAY, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
337 6, AUFMT_DOLBY_5_1, 0, {8000, 48000}},
338 };
339
340 static const struct audio_format auich_modem_formats[AUICH_MODEM_NFORMATS] = {
341 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16,
342 1, AUFMT_MONAURAL, 0, {8000, 16000}},
343 };
344
345 #define PCI_ID_CODE0(v, p) PCI_ID_CODE(PCI_VENDOR_##v, PCI_PRODUCT_##v##_##p)
346 #define PCIID_ICH PCI_ID_CODE0(INTEL, 82801AA_ACA)
347 #define PCIID_ICH0 PCI_ID_CODE0(INTEL, 82801AB_ACA)
348 #define PCIID_ICH2 PCI_ID_CODE0(INTEL, 82801BA_ACA)
349 #define PCIID_440MX PCI_ID_CODE0(INTEL, 82440MX_ACA)
350 #define PCIID_ICH3 PCI_ID_CODE0(INTEL, 82801CA_AC)
351 #define PCIID_ICH4 PCI_ID_CODE0(INTEL, 82801DB_AC)
352 #define PCIID_ICH5 PCI_ID_CODE0(INTEL, 82801EB_AC)
353 #define PCIID_ICH6 PCI_ID_CODE0(INTEL, 82801FB_AC)
354 #define PCIID_ICH7 PCI_ID_CODE0(INTEL, 82801G_ACA)
355 #define PCIID_SIS7012 PCI_ID_CODE0(SIS, 7012_AC)
356 #define PCIID_NFORCE PCI_ID_CODE0(NVIDIA, NFORCE_MCP_AC)
357 #define PCIID_NFORCE2 PCI_ID_CODE0(NVIDIA, NFORCE2_MCPT_AC)
358 #define PCIID_NFORCE2_400 PCI_ID_CODE0(NVIDIA, NFORCE2_400_MCPT_AC)
359 #define PCIID_NFORCE3 PCI_ID_CODE0(NVIDIA, NFORCE3_MCPT_AC)
360 #define PCIID_NFORCE3_250 PCI_ID_CODE0(NVIDIA, NFORCE3_250_MCPT_AC)
361 #define PCIID_NFORCE4 PCI_ID_CODE0(NVIDIA, NFORCE4_AC)
362 #define PCIID_AMD768 PCI_ID_CODE0(AMD, PBC768_AC)
363 #define PCIID_AMD8111 PCI_ID_CODE0(AMD, PBC8111_AC)
364
365 #define PCIID_ICH3MODEM PCI_ID_CODE0(INTEL, 82801CA_MOD)
366 #define PCIID_ICH4MODEM PCI_ID_CODE0(INTEL, 82801DB_MOD)
367
368 struct auich_devtype {
369 pcireg_t id;
370 const char *name;
371 const char *shortname; /* must be less than 11 characters */
372 };
373
374 static const struct auich_devtype auich_audio_devices[] = {
375 { PCIID_ICH, "i82801AA (ICH) AC-97 Audio", "ICH" },
376 { PCIID_ICH0, "i82801AB (ICH0) AC-97 Audio", "ICH0" },
377 { PCIID_ICH2, "i82801BA (ICH2) AC-97 Audio", "ICH2" },
378 { PCIID_440MX, "i82440MX AC-97 Audio", "440MX" },
379 { PCIID_ICH3, "i82801CA (ICH3) AC-97 Audio", "ICH3" },
380 { PCIID_ICH4, "i82801DB/DBM (ICH4/ICH4M) AC-97 Audio", "ICH4" },
381 { PCIID_ICH5, "i82801EB (ICH5) AC-97 Audio", "ICH5" },
382 { PCIID_ICH6, "i82801FB (ICH6) AC-97 Audio", "ICH6" },
383 { PCIID_ICH7, "i82801GB/GR (ICH7) AC-97 Audio", "ICH7" },
384 { PCIID_SIS7012, "SiS 7012 AC-97 Audio", "SiS7012" },
385 { PCIID_NFORCE, "nForce MCP AC-97 Audio", "nForce" },
386 { PCIID_NFORCE2, "nForce2 MCP-T AC-97 Audio", "nForce2" },
387 { PCIID_NFORCE2_400, "nForce2 400 MCP-T AC-97 Audio", "nForce2" },
388 { PCIID_NFORCE3, "nForce3 MCP-T AC-97 Audio", "nForce3" },
389 { PCIID_NFORCE3_250, "nForce3 250 MCP-T AC-97 Audio", "nForce3" },
390 { PCIID_NFORCE4, "nForce4 AC-97 Audio", "nForce4" },
391 { PCIID_AMD768, "AMD768 AC-97 Audio", "AMD768" },
392 { PCIID_AMD8111,"AMD8111 AC-97 Audio", "AMD8111" },
393 { 0, NULL, NULL },
394 };
395
396 static const struct auich_devtype auich_modem_devices[] = {
397 #ifdef AUICH_ATTACH_MODEM
398 { PCIID_ICH3MODEM, "i82801CA (ICH3) AC-97 Modem", "ICH3MODEM" },
399 { PCIID_ICH4MODEM, "i82801DB (ICH4) AC-97 Modem", "ICH4MODEM" },
400 #endif
401 { 0, NULL, NULL },
402 };
403
404 static const struct auich_devtype *
405 auich_lookup(struct pci_attach_args *pa, const struct auich_devtype *auich_devices)
406 {
407 const struct auich_devtype *d;
408
409 for (d = auich_devices; d->name != NULL; d++) {
410 if (pa->pa_id == d->id)
411 return d;
412 }
413
414 return NULL;
415 }
416
417 static int
418 auich_match(struct device *parent, struct cfdata *match, void *aux)
419 {
420 struct pci_attach_args *pa;
421
422 pa = aux;
423 if (auich_lookup(pa, auich_audio_devices) != NULL)
424 return 1;
425 if (auich_lookup(pa, auich_modem_devices) != NULL)
426 return 1;
427
428 return 0;
429 }
430
431 static void
432 auich_attach(struct device *parent, struct device *self, void *aux)
433 {
434 struct auich_softc *sc;
435 struct pci_attach_args *pa;
436 pci_intr_handle_t ih;
437 pcireg_t v;
438 const char *intrstr;
439 const struct auich_devtype *d;
440 const struct sysctlnode *node, *node_ac97clock;
441 int err, node_mib, i;
442
443 sc = (struct auich_softc *)self;
444 pa = aux;
445
446 if ((d = auich_lookup(pa, auich_modem_devices)) != NULL) {
447 sc->sc_modem_offset = 0x10;
448 sc->sc_codectype = AC97_CODEC_TYPE_MODEM;
449 } else if ((d = auich_lookup(pa, auich_audio_devices)) != NULL) {
450 sc->sc_modem_offset = 0;
451 sc->sc_codectype = AC97_CODEC_TYPE_AUDIO;
452 } else
453 panic("auich_attach: impossible");
454
455 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
456 aprint_naive(": Audio controller\n");
457 else
458 aprint_naive(": Modem controller\n");
459
460 sc->sc_pc = pa->pa_pc;
461 sc->sc_pt = pa->pa_tag;
462
463 aprint_normal(": %s\n", d->name);
464
465 if (d->id == PCIID_ICH4 || d->id == PCIID_ICH5 || d->id == PCIID_ICH6
466 || d->id == PCIID_ICH7 || d->id == PCIID_ICH4MODEM) {
467 /*
468 * Use native mode for ICH4/ICH5/ICH6/ICH7
469 */
470 if (pci_mapreg_map(pa, ICH_MMBAR, PCI_MAPREG_TYPE_MEM, 0,
471 &sc->iot, &sc->mix_ioh, NULL, &sc->mix_size)) {
472 v = pci_conf_read(pa->pa_pc, pa->pa_tag, ICH_CFG);
473 pci_conf_write(pa->pa_pc, pa->pa_tag, ICH_CFG,
474 v | ICH_CFG_IOSE);
475 if (pci_mapreg_map(pa, ICH_NAMBAR, PCI_MAPREG_TYPE_IO,
476 0, &sc->iot, &sc->mix_ioh, NULL,
477 &sc->mix_size)) {
478 aprint_error("%s: can't map codec i/o space\n",
479 sc->sc_dev.dv_xname);
480 return;
481 }
482 }
483 if (pci_mapreg_map(pa, ICH_MBBAR, PCI_MAPREG_TYPE_MEM, 0,
484 &sc->iot, &sc->aud_ioh, NULL, &sc->aud_size)) {
485 v = pci_conf_read(pa->pa_pc, pa->pa_tag, ICH_CFG);
486 pci_conf_write(pa->pa_pc, pa->pa_tag, ICH_CFG,
487 v | ICH_CFG_IOSE);
488 if (pci_mapreg_map(pa, ICH_NABMBAR, PCI_MAPREG_TYPE_IO,
489 0, &sc->iot, &sc->aud_ioh, NULL,
490 &sc->aud_size)) {
491 aprint_error("%s: can't map device i/o space\n",
492 sc->sc_dev.dv_xname);
493 return;
494 }
495 }
496 } else {
497 if (pci_mapreg_map(pa, ICH_NAMBAR, PCI_MAPREG_TYPE_IO, 0,
498 &sc->iot, &sc->mix_ioh, NULL, &sc->mix_size)) {
499 aprint_error("%s: can't map codec i/o space\n",
500 sc->sc_dev.dv_xname);
501 return;
502 }
503 if (pci_mapreg_map(pa, ICH_NABMBAR, PCI_MAPREG_TYPE_IO, 0,
504 &sc->iot, &sc->aud_ioh, NULL, &sc->aud_size)) {
505 aprint_error("%s: can't map device i/o space\n",
506 sc->sc_dev.dv_xname);
507 return;
508 }
509 }
510 sc->dmat = pa->pa_dmat;
511
512 /* enable bus mastering */
513 v = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
514 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
515 v | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_BACKTOBACK_ENABLE);
516
517 /* Map and establish the interrupt. */
518 if (pci_intr_map(pa, &ih)) {
519 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
520 return;
521 }
522 intrstr = pci_intr_string(pa->pa_pc, ih);
523 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO,
524 auich_intr, sc);
525 if (sc->sc_ih == NULL) {
526 aprint_error("%s: can't establish interrupt",
527 sc->sc_dev.dv_xname);
528 if (intrstr != NULL)
529 aprint_normal(" at %s", intrstr);
530 aprint_normal("\n");
531 return;
532 }
533 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
534
535 snprintf(sc->sc_audev.name, MAX_AUDIO_DEV_LEN, "%s AC97", d->shortname);
536 snprintf(sc->sc_audev.version, MAX_AUDIO_DEV_LEN,
537 "0x%02x", PCI_REVISION(pa->pa_class));
538 strlcpy(sc->sc_audev.config, sc->sc_dev.dv_xname, MAX_AUDIO_DEV_LEN);
539
540 /* SiS 7012 needs special handling */
541 if (d->id == PCIID_SIS7012) {
542 sc->sc_sts_reg = ICH_PICB;
543 sc->sc_sample_shift = 0;
544 /* Un-mute output. From Linux. */
545 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_SIS_NV_CTL,
546 bus_space_read_4(sc->iot, sc->aud_ioh, ICH_SIS_NV_CTL) |
547 ICH_SIS_CTL_UNMUTE);
548 } else {
549 sc->sc_sts_reg = ICH_STS;
550 sc->sc_sample_shift = 1;
551 }
552
553 /* Workaround for a 440MX B-stepping erratum */
554 sc->sc_dmamap_flags = BUS_DMA_COHERENT;
555 if (d->id == PCIID_440MX) {
556 sc->sc_dmamap_flags |= BUS_DMA_NOCACHE;
557 printf("%s: DMA bug workaround enabled\n", sc->sc_dev.dv_xname);
558 }
559
560 /* Set up DMA lists. */
561 sc->pcmo.qptr = sc->pcmi.qptr = sc->mici.qptr = 0;
562 auich_alloc_cdata(sc);
563
564 DPRINTF(ICH_DEBUG_DMA, ("auich_attach: lists %p %p %p\n",
565 sc->pcmo.dmalist, sc->pcmi.dmalist, sc->mici.dmalist));
566
567 /* Modem codecs are always the secondary codec on ICH */
568 sc->sc_codecnum = sc->sc_codectype == AC97_CODEC_TYPE_MODEM ? 1 : 0;
569
570 sc->host_if.arg = sc;
571 sc->host_if.attach = auich_attach_codec;
572 sc->host_if.read = auich_read_codec;
573 sc->host_if.write = auich_write_codec;
574 sc->host_if.reset = auich_reset_codec;
575
576 if (ac97_attach_type(&sc->host_if, self, sc->sc_codectype) != 0)
577 return;
578
579 /* setup audio_format */
580 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
581 memcpy(sc->sc_audio_formats, auich_audio_formats, sizeof(auich_audio_formats));
582 if (!AC97_IS_4CH(sc->codec_if))
583 AUFMT_INVALIDATE(&sc->sc_audio_formats[AUICH_FORMATS_4CH]);
584 if (!AC97_IS_6CH(sc->codec_if))
585 AUFMT_INVALIDATE(&sc->sc_audio_formats[AUICH_FORMATS_6CH]);
586 if (AC97_IS_FIXED_RATE(sc->codec_if)) {
587 for (i = 0; i < AUICH_AUDIO_NFORMATS; i++) {
588 sc->sc_audio_formats[i].frequency_type = 1;
589 sc->sc_audio_formats[i].frequency[0] = 48000;
590 }
591 }
592 if (0 != auconv_create_encodings(sc->sc_audio_formats, AUICH_AUDIO_NFORMATS,
593 &sc->sc_encodings))
594 return;
595 } else {
596 memcpy(sc->sc_modem_formats, auich_modem_formats, sizeof(auich_modem_formats));
597 if (0 != auconv_create_encodings(sc->sc_modem_formats, AUICH_MODEM_NFORMATS,
598 &sc->sc_encodings))
599 return;
600 }
601
602
603 /* Watch for power change */
604 sc->sc_suspend = PWR_RESUME;
605 sc->sc_powerhook = powerhook_establish(auich_powerhook, sc);
606
607 config_interrupts(self, auich_finish_attach);
608
609 /* sysctl setup */
610 if (AC97_IS_FIXED_RATE(sc->codec_if) &&
611 sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
612 return;
613
614 err = sysctl_createv(&sc->sc_log, 0, NULL, NULL, 0,
615 CTLTYPE_NODE, "hw", NULL, NULL, 0, NULL, 0,
616 CTL_HW, CTL_EOL);
617 if (err != 0)
618 goto sysctl_err;
619 err = sysctl_createv(&sc->sc_log, 0, NULL, &node, 0,
620 CTLTYPE_NODE, sc->sc_dev.dv_xname, NULL, NULL, 0,
621 NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL);
622 if (err != 0)
623 goto sysctl_err;
624 node_mib = node->sysctl_num;
625
626 if (!AC97_IS_FIXED_RATE(sc->codec_if)) {
627 /* passing the sc address instead of &sc->sc_ac97_clock */
628 err = sysctl_createv(&sc->sc_log, 0, NULL, &node_ac97clock,
629 CTLFLAG_READWRITE,
630 CTLTYPE_INT, "ac97rate",
631 SYSCTL_DESCR("AC'97 codec link rate"),
632 auich_sysctl_verify, 0, sc, 0,
633 CTL_HW, node_mib, CTL_CREATE, CTL_EOL);
634 if (err != 0)
635 goto sysctl_err;
636 sc->sc_ac97_clock_mib = node_ac97clock->sysctl_num;
637 }
638
639 return;
640
641 sysctl_err:
642 printf("%s: failed to add sysctl nodes. (%d)\n",
643 sc->sc_dev.dv_xname, err);
644 return; /* failure of sysctl is not fatal. */
645 }
646
647 static int
648 auich_activate(struct device *self, enum devact act)
649 {
650 struct auich_softc *sc;
651 int ret;
652
653 sc = (struct auich_softc *)self;
654 ret = 0;
655 switch (act) {
656 case DVACT_ACTIVATE:
657 return EOPNOTSUPP;
658 case DVACT_DEACTIVATE:
659 if (sc->sc_audiodev != NULL)
660 ret = config_deactivate(sc->sc_audiodev);
661 return ret;
662 }
663 return EOPNOTSUPP;
664 }
665
666 static int
667 auich_detach(struct device *self, int flags)
668 {
669 struct auich_softc *sc;
670
671 sc = (struct auich_softc *)self;
672
673 /* audio */
674 if (sc->sc_audiodev != NULL)
675 config_detach(sc->sc_audiodev, flags);
676
677 /* sysctl */
678 sysctl_teardown(&sc->sc_log);
679
680 /* audio_encoding_set */
681 auconv_delete_encodings(sc->sc_encodings);
682
683 /* ac97 */
684 if (sc->codec_if != NULL)
685 sc->codec_if->vtbl->detach(sc->codec_if);
686
687 /* PCI */
688 if (sc->sc_ih != NULL)
689 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
690 if (sc->mix_size != 0)
691 bus_space_unmap(sc->iot, sc->mix_ioh, sc->mix_size);
692 if (sc->aud_size != 0)
693 bus_space_unmap(sc->iot, sc->aud_ioh, sc->aud_size);
694 return 0;
695 }
696
697 static int
698 auich_sysctl_verify(SYSCTLFN_ARGS)
699 {
700 int error, tmp;
701 struct sysctlnode node;
702 struct auich_softc *sc;
703
704 node = *rnode;
705 sc = rnode->sysctl_data;
706 if (node.sysctl_num == sc->sc_ac97_clock_mib) {
707 tmp = sc->sc_ac97_clock;
708 node.sysctl_data = &tmp;
709 error = sysctl_lookup(SYSCTLFN_CALL(&node));
710 if (error || newp == NULL)
711 return error;
712
713 if (tmp < 48000 || tmp > 96000)
714 return EINVAL;
715 sc->sc_ac97_clock = tmp;
716 }
717
718 return 0;
719 }
720
721 static void
722 auich_finish_attach(struct device *self)
723 {
724 struct auich_softc *sc;
725
726 sc = (void *)self;
727 if (!AC97_IS_FIXED_RATE(sc->codec_if))
728 auich_calibrate(sc);
729
730 sc->sc_audiodev = audio_attach_mi(&auich_hw_if, sc, &sc->sc_dev);
731 }
732
733 #define ICH_CODECIO_INTERVAL 10
734 static int
735 auich_read_codec(void *v, uint8_t reg, uint16_t *val)
736 {
737 struct auich_softc *sc;
738 int i;
739 uint32_t status;
740
741 sc = v;
742 /* wait for an access semaphore */
743 for (i = ICH_SEMATIMO / ICH_CODECIO_INTERVAL; i-- &&
744 bus_space_read_1(sc->iot, sc->aud_ioh,
745 ICH_CAS + sc->sc_modem_offset) & 1;
746 DELAY(ICH_CODECIO_INTERVAL));
747
748 if (i > 0) {
749 *val = bus_space_read_2(sc->iot, sc->mix_ioh,
750 reg + (sc->sc_codecnum * ICH_CODEC_OFFSET));
751 DPRINTF(ICH_DEBUG_CODECIO,
752 ("auich_read_codec(%x, %x)\n", reg, *val));
753 status = bus_space_read_4(sc->iot, sc->aud_ioh,
754 ICH_GSTS + sc->sc_modem_offset);
755 if (status & ICH_RCS) {
756 bus_space_write_4(sc->iot, sc->aud_ioh,
757 ICH_GSTS + sc->sc_modem_offset,
758 status & ~(ICH_SRI|ICH_PRI|ICH_GSCI));
759 *val = 0xffff;
760 DPRINTF(ICH_DEBUG_CODECIO,
761 ("%s: read_codec error\n", sc->sc_dev.dv_xname));
762 if (reg == AC97_REG_GPIO_STATUS)
763 auich_clear_cas(sc);
764 return -1;
765 }
766 if (reg == AC97_REG_GPIO_STATUS)
767 auich_clear_cas(sc);
768 return 0;
769 } else {
770 aprint_normal("%s: read_codec timeout\n", sc->sc_dev.dv_xname);
771 if (reg == AC97_REG_GPIO_STATUS)
772 auich_clear_cas(sc);
773 return -1;
774 }
775 }
776
777 static int
778 auich_write_codec(void *v, uint8_t reg, uint16_t val)
779 {
780 struct auich_softc *sc;
781 int i;
782
783 DPRINTF(ICH_DEBUG_CODECIO, ("auich_write_codec(%x, %x)\n", reg, val));
784 sc = v;
785 /* wait for an access semaphore */
786 for (i = ICH_SEMATIMO / ICH_CODECIO_INTERVAL; i-- &&
787 bus_space_read_1(sc->iot, sc->aud_ioh,
788 ICH_CAS + sc->sc_modem_offset) & 1;
789 DELAY(ICH_CODECIO_INTERVAL));
790
791 if (i > 0) {
792 bus_space_write_2(sc->iot, sc->mix_ioh,
793 reg + (sc->sc_codecnum * ICH_CODEC_OFFSET), val);
794 return 0;
795 } else {
796 aprint_normal("%s: write_codec timeout\n", sc->sc_dev.dv_xname);
797 return -1;
798 }
799 }
800
801 static int
802 auich_attach_codec(void *v, struct ac97_codec_if *cif)
803 {
804 struct auich_softc *sc;
805
806 sc = v;
807 sc->codec_if = cif;
808
809 return 0;
810 }
811
812 static int
813 auich_reset_codec(void *v)
814 {
815 struct auich_softc *sc;
816 int i;
817 uint32_t control, status;
818
819 sc = v;
820 control = bus_space_read_4(sc->iot, sc->aud_ioh,
821 ICH_GCTRL + sc->sc_modem_offset);
822 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
823 control &= ~(ICH_ACLSO | ICH_PCM246_MASK);
824 } else {
825 control &= ~ICH_ACLSO;
826 control |= ICH_GIE;
827 }
828 control |= (control & ICH_CRESET) ? ICH_WRESET : ICH_CRESET;
829 bus_space_write_4(sc->iot, sc->aud_ioh,
830 ICH_GCTRL + sc->sc_modem_offset, control);
831
832 for (i = 500000; i >= 0; i--) {
833 status = bus_space_read_4(sc->iot, sc->aud_ioh,
834 ICH_GSTS + sc->sc_modem_offset);
835 if (status & (ICH_PCR | ICH_SCR | ICH_S2CR))
836 break;
837 DELAY(1);
838 }
839 if (i <= 0) {
840 printf("%s: auich_reset_codec: time out\n", sc->sc_dev.dv_xname);
841 return ETIMEDOUT;
842 }
843 #ifdef DEBUG
844 if (status & ICH_SCR)
845 printf("%s: The 2nd codec is ready.\n",
846 sc->sc_dev.dv_xname);
847 if (status & ICH_S2CR)
848 printf("%s: The 3rd codec is ready.\n",
849 sc->sc_dev.dv_xname);
850 #endif
851 return 0;
852 }
853
854 static int
855 auich_query_encoding(void *v, struct audio_encoding *aep)
856 {
857 struct auich_softc *sc;
858
859 sc = (struct auich_softc *)v;
860 return auconv_query_encoding(sc->sc_encodings, aep);
861 }
862
863 static int
864 auich_set_rate(struct auich_softc *sc, int mode, u_long srate)
865 {
866 int ret;
867 u_int ratetmp;
868
869 sc->codec_if->vtbl->set_clock(sc->codec_if, sc->sc_ac97_clock);
870 ratetmp = srate;
871 if (mode == AUMODE_RECORD)
872 return sc->codec_if->vtbl->set_rate(sc->codec_if,
873 AC97_REG_PCM_LR_ADC_RATE, &ratetmp);
874 ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
875 AC97_REG_PCM_FRONT_DAC_RATE, &ratetmp);
876 if (ret)
877 return ret;
878 ratetmp = srate;
879 ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
880 AC97_REG_PCM_SURR_DAC_RATE, &ratetmp);
881 if (ret)
882 return ret;
883 ratetmp = srate;
884 ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
885 AC97_REG_PCM_LFE_DAC_RATE, &ratetmp);
886 return ret;
887 }
888
889 static int
890 auich_set_params(void *v, int setmode, int usemode, audio_params_t *play,
891 audio_params_t *rec, stream_filter_list_t *pfil, stream_filter_list_t *rfil)
892 {
893 struct auich_softc *sc;
894 audio_params_t *p;
895 stream_filter_list_t *fil;
896 int mode, index;
897 uint32_t control;
898
899 sc = v;
900 for (mode = AUMODE_RECORD; mode != -1;
901 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
902 if ((setmode & mode) == 0)
903 continue;
904
905 p = mode == AUMODE_PLAY ? play : rec;
906 fil = mode == AUMODE_PLAY ? pfil : rfil;
907 if (p == NULL)
908 continue;
909
910 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
911 if (p->sample_rate < 8000 ||
912 p->sample_rate > 48000)
913 return EINVAL;
914
915 index = auconv_set_converter(sc->sc_audio_formats, AUICH_AUDIO_NFORMATS,
916 mode, p, TRUE, fil);
917 } else {
918 if (p->sample_rate != 8000 && p->sample_rate != 16000)
919 return EINVAL;
920 index = auconv_set_converter(sc->sc_modem_formats, AUICH_MODEM_NFORMATS,
921 mode, p, TRUE, fil);
922 }
923 if (index < 0)
924 return EINVAL;
925 if (fil->req_size > 0)
926 p = &fil->filters[0].param;
927 /* p represents HW encoding */
928 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
929 if (sc->sc_audio_formats[index].frequency_type != 1
930 && auich_set_rate(sc, mode, p->sample_rate))
931 return EINVAL;
932 } else {
933 if (sc->sc_modem_formats[index].frequency_type != 1
934 && auich_set_rate(sc, mode, p->sample_rate))
935 return EINVAL;
936 auich_write_codec(sc, AC97_REG_LINE1_RATE,
937 p->sample_rate);
938 auich_write_codec(sc, AC97_REG_LINE1_LEVEL, 0);
939 }
940 if (mode == AUMODE_PLAY &&
941 sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
942 control = bus_space_read_4(sc->iot, sc->aud_ioh,
943 ICH_GCTRL + sc->sc_modem_offset);
944 control &= ~ICH_PCM246_MASK;
945 if (p->channels == 4) {
946 control |= ICH_PCM4;
947 } else if (p->channels == 6) {
948 control |= ICH_PCM6;
949 }
950 bus_space_write_4(sc->iot, sc->aud_ioh,
951 ICH_GCTRL + sc->sc_modem_offset, control);
952 }
953 }
954
955 return 0;
956 }
957
958 static int
959 auich_round_blocksize(void *v, int blk, int mode, const audio_params_t *param)
960 {
961
962 return blk & ~0x3f; /* keep good alignment */
963 }
964
965 static void
966 auich_halt_pipe(struct auich_softc *sc, int pipe)
967 {
968 int i;
969 uint32_t status;
970
971 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_CTRL, 0);
972 for (i = 0; i < 100; i++) {
973 status = bus_space_read_4(sc->iot, sc->aud_ioh, pipe + ICH_STS);
974 if (status & ICH_DCH)
975 break;
976 DELAY(1);
977 }
978 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_CTRL, ICH_RR);
979
980 #if AUICH_DEBUG
981 if (i > 0)
982 printf("auich_halt_pipe: halt took %d cycles\n", i);
983 #endif
984 }
985
986 static int
987 auich_halt_output(void *v)
988 {
989 struct auich_softc *sc;
990
991 sc = v;
992 DPRINTF(ICH_DEBUG_DMA, ("%s: halt_output\n", sc->sc_dev.dv_xname));
993
994 auich_halt_pipe(sc, ICH_PCMO);
995 sc->pcmo.intr = NULL;
996
997 return 0;
998 }
999
1000 static int
1001 auich_halt_input(void *v)
1002 {
1003 struct auich_softc *sc;
1004
1005 sc = v;
1006 DPRINTF(ICH_DEBUG_DMA, ("%s: halt_input\n", sc->sc_dev.dv_xname));
1007
1008 auich_halt_pipe(sc, ICH_PCMI);
1009 sc->pcmi.intr = NULL;
1010
1011 return 0;
1012 }
1013
1014 static int
1015 auich_getdev(void *v, struct audio_device *adp)
1016 {
1017 struct auich_softc *sc;
1018
1019 sc = v;
1020 *adp = sc->sc_audev;
1021 return 0;
1022 }
1023
1024 static int
1025 auich_set_port(void *v, mixer_ctrl_t *cp)
1026 {
1027 struct auich_softc *sc;
1028
1029 sc = v;
1030 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1031 }
1032
1033 static int
1034 auich_get_port(void *v, mixer_ctrl_t *cp)
1035 {
1036 struct auich_softc *sc;
1037
1038 sc = v;
1039 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1040 }
1041
1042 static int
1043 auich_query_devinfo(void *v, mixer_devinfo_t *dp)
1044 {
1045 struct auich_softc *sc;
1046
1047 sc = v;
1048 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dp);
1049 }
1050
1051 static void *
1052 auich_allocm(void *v, int direction, size_t size, struct malloc_type *pool,
1053 int flags)
1054 {
1055 struct auich_softc *sc;
1056 struct auich_dma *p;
1057 int error;
1058
1059 if (size > (ICH_DMALIST_MAX * ICH_DMASEG_MAX))
1060 return NULL;
1061
1062 p = malloc(sizeof(*p), pool, flags|M_ZERO);
1063 if (p == NULL)
1064 return NULL;
1065
1066 sc = v;
1067 error = auich_allocmem(sc, size, 0, p);
1068 if (error) {
1069 free(p, pool);
1070 return NULL;
1071 }
1072
1073 p->next = sc->sc_dmas;
1074 sc->sc_dmas = p;
1075
1076 return KERNADDR(p);
1077 }
1078
1079 static void
1080 auich_freem(void *v, void *ptr, struct malloc_type *pool)
1081 {
1082 struct auich_softc *sc;
1083 struct auich_dma *p, **pp;
1084
1085 sc = v;
1086 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1087 if (KERNADDR(p) == ptr) {
1088 auich_freemem(sc, p);
1089 *pp = p->next;
1090 free(p, pool);
1091 return;
1092 }
1093 }
1094 }
1095
1096 static size_t
1097 auich_round_buffersize(void *v, int direction, size_t size)
1098 {
1099
1100 if (size > (ICH_DMALIST_MAX * ICH_DMASEG_MAX))
1101 size = ICH_DMALIST_MAX * ICH_DMASEG_MAX;
1102
1103 return size;
1104 }
1105
1106 static paddr_t
1107 auich_mappage(void *v, void *mem, off_t off, int prot)
1108 {
1109 struct auich_softc *sc;
1110 struct auich_dma *p;
1111
1112 if (off < 0)
1113 return -1;
1114 sc = v;
1115 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1116 continue;
1117 if (!p)
1118 return -1;
1119 return bus_dmamem_mmap(sc->dmat, p->segs, p->nsegs,
1120 off, prot, BUS_DMA_WAITOK);
1121 }
1122
1123 static int
1124 auich_get_props(void *v)
1125 {
1126 struct auich_softc *sc;
1127 int props;
1128
1129 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1130 sc = v;
1131 /*
1132 * Even if the codec is fixed-rate, set_param() succeeds for any sample
1133 * rate because of aurateconv. Applications can't know what rate the
1134 * device can process in the case of mmap().
1135 */
1136 if (!AC97_IS_FIXED_RATE(sc->codec_if) ||
1137 sc->sc_codectype == AC97_CODEC_TYPE_MODEM)
1138 props |= AUDIO_PROP_MMAP;
1139 return props;
1140 }
1141
1142 static int
1143 auich_intr(void *v)
1144 {
1145 struct auich_softc *sc;
1146 int ret, gsts;
1147 #ifdef DIAGNOSTIC
1148 int csts;
1149 #endif
1150
1151 sc = v;
1152 ret = 0;
1153 #ifdef DIAGNOSTIC
1154 csts = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
1155 if (csts & PCI_STATUS_MASTER_ABORT) {
1156 printf("auich_intr: PCI master abort\n");
1157 }
1158 #endif
1159
1160 gsts = bus_space_read_4(sc->iot, sc->aud_ioh,
1161 ICH_GSTS + sc->sc_modem_offset);
1162 DPRINTF(ICH_DEBUG_INTR, ("auich_intr: gsts=0x%x\n", gsts));
1163
1164 if ((sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_POINT) ||
1165 (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_MOINT)) {
1166 int sts;
1167
1168 sts = bus_space_read_2(sc->iot, sc->aud_ioh,
1169 ICH_PCMO + sc->sc_sts_reg);
1170 DPRINTF(ICH_DEBUG_INTR,
1171 ("auich_intr: osts=0x%x\n", sts));
1172
1173 if (sts & ICH_FIFOE)
1174 printf("%s: fifo underrun\n", sc->sc_dev.dv_xname);
1175
1176 if (sts & ICH_BCIS)
1177 auich_intr_pipe(sc, ICH_PCMO, &sc->pcmo);
1178
1179 /* int ack */
1180 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO +
1181 sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
1182 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
1183 bus_space_write_4(sc->iot, sc->aud_ioh,
1184 ICH_GSTS + sc->sc_modem_offset, ICH_POINT);
1185 else
1186 bus_space_write_4(sc->iot, sc->aud_ioh,
1187 ICH_GSTS + sc->sc_modem_offset, ICH_MOINT);
1188 ret++;
1189 }
1190
1191 if ((sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_PIINT) ||
1192 (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_MIINT)) {
1193 int sts;
1194
1195 sts = bus_space_read_2(sc->iot, sc->aud_ioh,
1196 ICH_PCMI + sc->sc_sts_reg);
1197 DPRINTF(ICH_DEBUG_INTR,
1198 ("auich_intr: ists=0x%x\n", sts));
1199
1200 if (sts & ICH_FIFOE)
1201 printf("%s: fifo overrun\n", sc->sc_dev.dv_xname);
1202
1203 if (sts & ICH_BCIS)
1204 auich_intr_pipe(sc, ICH_PCMI, &sc->pcmi);
1205
1206 /* int ack */
1207 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMI +
1208 sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
1209 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
1210 bus_space_write_4(sc->iot, sc->aud_ioh,
1211 ICH_GSTS + sc->sc_modem_offset, ICH_PIINT);
1212 else
1213 bus_space_write_4(sc->iot, sc->aud_ioh,
1214 ICH_GSTS + sc->sc_modem_offset, ICH_MIINT);
1215 ret++;
1216 }
1217
1218 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_MINT) {
1219 int sts;
1220
1221 sts = bus_space_read_2(sc->iot, sc->aud_ioh,
1222 ICH_MICI + sc->sc_sts_reg);
1223 DPRINTF(ICH_DEBUG_INTR,
1224 ("auich_intr: ists=0x%x\n", sts));
1225
1226 if (sts & ICH_FIFOE)
1227 printf("%s: fifo overrun\n", sc->sc_dev.dv_xname);
1228
1229 if (sts & ICH_BCIS)
1230 auich_intr_pipe(sc, ICH_MICI, &sc->mici);
1231
1232 /* int ack */
1233 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_MICI +
1234 sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
1235 bus_space_write_4(sc->iot, sc->aud_ioh,
1236 ICH_GSTS + sc->sc_modem_offset, ICH_MINT);
1237 ret++;
1238 }
1239
1240 #ifdef AUICH_MODEM_DEBUG
1241 if (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_GSCI) {
1242 printf("%s: gsts=0x%x\n", sc->sc_dev.dv_xname, gsts);
1243 /* int ack */
1244 bus_space_write_4(sc->iot, sc->aud_ioh,
1245 ICH_GSTS + sc->sc_modem_offset, ICH_GSCI);
1246 ret++;
1247 }
1248 #endif
1249
1250 return ret;
1251 }
1252
1253 static void
1254 auich_trigger_pipe(struct auich_softc *sc, int pipe, struct auich_ring *ring)
1255 {
1256 int blksize, qptr;
1257 struct auich_dmalist *q;
1258
1259 blksize = ring->blksize;
1260
1261 for (qptr = 0; qptr < ICH_DMALIST_MAX; qptr++) {
1262 q = &ring->dmalist[qptr];
1263 q->base = ring->p;
1264 q->len = (blksize >> sc->sc_sample_shift) | ICH_DMAF_IOC;
1265
1266 ring->p += blksize;
1267 if (ring->p >= ring->end)
1268 ring->p = ring->start;
1269 }
1270 ring->qptr = 0;
1271
1272 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_LVI,
1273 (qptr - 1) & ICH_LVI_MASK);
1274 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_CTRL,
1275 ICH_IOCE | ICH_FEIE | ICH_RPBM);
1276 }
1277
1278 static void
1279 auich_intr_pipe(struct auich_softc *sc, int pipe, struct auich_ring *ring)
1280 {
1281 int blksize, qptr, nqptr;
1282 struct auich_dmalist *q;
1283
1284 blksize = ring->blksize;
1285 qptr = ring->qptr;
1286 nqptr = bus_space_read_1(sc->iot, sc->aud_ioh, pipe + ICH_CIV);
1287
1288 while (qptr != nqptr) {
1289 q = &ring->dmalist[qptr];
1290 q->base = ring->p;
1291 q->len = (blksize >> sc->sc_sample_shift) | ICH_DMAF_IOC;
1292
1293 DPRINTF(ICH_DEBUG_INTR,
1294 ("auich_intr: %p, %p = %x @ 0x%x\n",
1295 &ring->dmalist[qptr], q, q->len, q->base));
1296
1297 ring->p += blksize;
1298 if (ring->p >= ring->end)
1299 ring->p = ring->start;
1300
1301 qptr = (qptr + 1) & ICH_LVI_MASK;
1302 if (ring->intr)
1303 ring->intr(ring->arg);
1304 }
1305 ring->qptr = qptr;
1306
1307 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_LVI,
1308 (qptr - 1) & ICH_LVI_MASK);
1309 }
1310
1311 static int
1312 auich_trigger_output(void *v, void *start, void *end, int blksize,
1313 void (*intr)(void *), void *arg, const audio_params_t *param)
1314 {
1315 struct auich_softc *sc;
1316 struct auich_dma *p;
1317 size_t size;
1318
1319 DPRINTF(ICH_DEBUG_DMA,
1320 ("auich_trigger_output(%p, %p, %d, %p, %p, %p)\n",
1321 start, end, blksize, intr, arg, param));
1322 sc = v;
1323
1324 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1325 continue;
1326 if (!p) {
1327 printf("auich_trigger_output: bad addr %p\n", start);
1328 return EINVAL;
1329 }
1330
1331 size = (size_t)((caddr_t)end - (caddr_t)start);
1332
1333 sc->pcmo.intr = intr;
1334 sc->pcmo.arg = arg;
1335 sc->pcmo.start = DMAADDR(p);
1336 sc->pcmo.p = sc->pcmo.start;
1337 sc->pcmo.end = sc->pcmo.start + size;
1338 sc->pcmo.blksize = blksize;
1339
1340 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_BDBAR,
1341 sc->sc_cddma + ICH_PCMO_OFF(0));
1342 auich_trigger_pipe(sc, ICH_PCMO, &sc->pcmo);
1343
1344 return 0;
1345 }
1346
1347 static int
1348 auich_trigger_input(void *v, void *start, void *end, int blksize,
1349 void (*intr)(void *), void *arg, const audio_params_t *param)
1350 {
1351 struct auich_softc *sc;
1352 struct auich_dma *p;
1353 size_t size;
1354
1355 DPRINTF(ICH_DEBUG_DMA,
1356 ("auich_trigger_input(%p, %p, %d, %p, %p, %p)\n",
1357 start, end, blksize, intr, arg, param));
1358 sc = v;
1359
1360 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1361 continue;
1362 if (!p) {
1363 printf("auich_trigger_input: bad addr %p\n", start);
1364 return EINVAL;
1365 }
1366
1367 size = (size_t)((caddr_t)end - (caddr_t)start);
1368
1369 sc->pcmi.intr = intr;
1370 sc->pcmi.arg = arg;
1371 sc->pcmi.start = DMAADDR(p);
1372 sc->pcmi.p = sc->pcmi.start;
1373 sc->pcmi.end = sc->pcmi.start + size;
1374 sc->pcmi.blksize = blksize;
1375
1376 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_BDBAR,
1377 sc->sc_cddma + ICH_PCMI_OFF(0));
1378 auich_trigger_pipe(sc, ICH_PCMI, &sc->pcmi);
1379
1380 return 0;
1381 }
1382
1383 static int
1384 auich_allocmem(struct auich_softc *sc, size_t size, size_t align,
1385 struct auich_dma *p)
1386 {
1387 int error;
1388
1389 p->size = size;
1390 error = bus_dmamem_alloc(sc->dmat, p->size, align, 0,
1391 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1392 &p->nsegs, BUS_DMA_NOWAIT);
1393 if (error)
1394 return error;
1395
1396 error = bus_dmamem_map(sc->dmat, p->segs, p->nsegs, p->size,
1397 &p->addr, BUS_DMA_NOWAIT|sc->sc_dmamap_flags);
1398 if (error)
1399 goto free;
1400
1401 error = bus_dmamap_create(sc->dmat, p->size, 1, p->size,
1402 0, BUS_DMA_NOWAIT, &p->map);
1403 if (error)
1404 goto unmap;
1405
1406 error = bus_dmamap_load(sc->dmat, p->map, p->addr, p->size, NULL,
1407 BUS_DMA_NOWAIT);
1408 if (error)
1409 goto destroy;
1410 return 0;
1411
1412 destroy:
1413 bus_dmamap_destroy(sc->dmat, p->map);
1414 unmap:
1415 bus_dmamem_unmap(sc->dmat, p->addr, p->size);
1416 free:
1417 bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
1418 return error;
1419 }
1420
1421 static int
1422 auich_freemem(struct auich_softc *sc, struct auich_dma *p)
1423 {
1424
1425 bus_dmamap_unload(sc->dmat, p->map);
1426 bus_dmamap_destroy(sc->dmat, p->map);
1427 bus_dmamem_unmap(sc->dmat, p->addr, p->size);
1428 bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
1429 return 0;
1430 }
1431
1432 static int
1433 auich_alloc_cdata(struct auich_softc *sc)
1434 {
1435 bus_dma_segment_t seg;
1436 int error, rseg;
1437
1438 /*
1439 * Allocate the control data structure, and create and load the
1440 * DMA map for it.
1441 */
1442 if ((error = bus_dmamem_alloc(sc->dmat,
1443 sizeof(struct auich_cdata),
1444 PAGE_SIZE, 0, &seg, 1, &rseg, 0)) != 0) {
1445 printf("%s: unable to allocate control data, error = %d\n",
1446 sc->sc_dev.dv_xname, error);
1447 goto fail_0;
1448 }
1449
1450 if ((error = bus_dmamem_map(sc->dmat, &seg, rseg,
1451 sizeof(struct auich_cdata),
1452 (caddr_t *) &sc->sc_cdata,
1453 sc->sc_dmamap_flags)) != 0) {
1454 printf("%s: unable to map control data, error = %d\n",
1455 sc->sc_dev.dv_xname, error);
1456 goto fail_1;
1457 }
1458
1459 if ((error = bus_dmamap_create(sc->dmat, sizeof(struct auich_cdata), 1,
1460 sizeof(struct auich_cdata), 0, 0,
1461 &sc->sc_cddmamap)) != 0) {
1462 printf("%s: unable to create control data DMA map, "
1463 "error = %d\n", sc->sc_dev.dv_xname, error);
1464 goto fail_2;
1465 }
1466
1467 if ((error = bus_dmamap_load(sc->dmat, sc->sc_cddmamap,
1468 sc->sc_cdata, sizeof(struct auich_cdata),
1469 NULL, 0)) != 0) {
1470 printf("%s: unable tp load control data DMA map, "
1471 "error = %d\n", sc->sc_dev.dv_xname, error);
1472 goto fail_3;
1473 }
1474
1475 sc->pcmo.dmalist = sc->sc_cdata->ic_dmalist_pcmo;
1476 sc->pcmi.dmalist = sc->sc_cdata->ic_dmalist_pcmi;
1477 sc->mici.dmalist = sc->sc_cdata->ic_dmalist_mici;
1478
1479 return 0;
1480
1481 fail_3:
1482 bus_dmamap_destroy(sc->dmat, sc->sc_cddmamap);
1483 fail_2:
1484 bus_dmamem_unmap(sc->dmat, (caddr_t) sc->sc_cdata,
1485 sizeof(struct auich_cdata));
1486 fail_1:
1487 bus_dmamem_free(sc->dmat, &seg, rseg);
1488 fail_0:
1489 return error;
1490 }
1491
1492 static void
1493 auich_powerhook(int why, void *addr)
1494 {
1495 struct auich_softc *sc;
1496
1497 sc = (struct auich_softc *)addr;
1498 switch (why) {
1499 case PWR_SUSPEND:
1500 case PWR_STANDBY:
1501 /* Power down */
1502 DPRINTF(1, ("%s: power down\n", sc->sc_dev.dv_xname));
1503 sc->sc_suspend = why;
1504 pci_conf_capture(sc->sc_pc, sc->sc_pt, &sc->sc_pciconf);
1505 break;
1506
1507 case PWR_RESUME:
1508 /* Wake up */
1509 DPRINTF(1, ("%s: power resume\n", sc->sc_dev.dv_xname));
1510 if (sc->sc_suspend == PWR_RESUME) {
1511 printf("%s: resume without suspend.\n",
1512 sc->sc_dev.dv_xname);
1513 sc->sc_suspend = why;
1514 return;
1515 }
1516 pci_conf_restore(sc->sc_pc, sc->sc_pt, &sc->sc_pciconf);
1517 sc->sc_suspend = why;
1518 auich_reset_codec(sc);
1519 DELAY(1000);
1520 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1521 break;
1522
1523 case PWR_SOFTSUSPEND:
1524 case PWR_SOFTSTANDBY:
1525 case PWR_SOFTRESUME:
1526 break;
1527 }
1528 }
1529
1530 /*
1531 * Calibrate card (some boards are overclocked and need scaling)
1532 */
1533 static void
1534 auich_calibrate(struct auich_softc *sc)
1535 {
1536 struct timeval t1, t2;
1537 uint8_t ociv, nciv;
1538 uint64_t wait_us;
1539 uint32_t actual_48k_rate, bytes, ac97rate;
1540 void *temp_buffer;
1541 struct auich_dma *p;
1542 u_int rate;
1543
1544 /*
1545 * Grab audio from input for fixed interval and compare how
1546 * much we actually get with what we expect. Interval needs
1547 * to be sufficiently short that no interrupts are
1548 * generated.
1549 */
1550
1551 /* Force the codec to a known state first. */
1552 sc->codec_if->vtbl->set_clock(sc->codec_if, 48000);
1553 rate = sc->sc_ac97_clock = 48000;
1554 sc->codec_if->vtbl->set_rate(sc->codec_if, AC97_REG_PCM_LR_ADC_RATE,
1555 &rate);
1556
1557 /* Setup a buffer */
1558 bytes = 64000;
1559 temp_buffer = auich_allocm(sc, AUMODE_RECORD, bytes, M_DEVBUF, M_WAITOK);
1560
1561 for (p = sc->sc_dmas; p && KERNADDR(p) != temp_buffer; p = p->next)
1562 continue;
1563 if (p == NULL) {
1564 printf("auich_calibrate: bad address %p\n", temp_buffer);
1565 return;
1566 }
1567 sc->pcmi.dmalist[0].base = DMAADDR(p);
1568 sc->pcmi.dmalist[0].len = (bytes >> sc->sc_sample_shift);
1569
1570 /*
1571 * our data format is stereo, 16 bit so each sample is 4 bytes.
1572 * assuming we get 48000 samples per second, we get 192000 bytes/sec.
1573 * we're going to start recording with interrupts disabled and measure
1574 * the time taken for one block to complete. we know the block size,
1575 * we know the time in microseconds, we calculate the sample rate:
1576 *
1577 * actual_rate [bps] = bytes / (time [s] * 4)
1578 * actual_rate [bps] = (bytes * 1000000) / (time [us] * 4)
1579 * actual_rate [Hz] = (bytes * 250000) / time [us]
1580 */
1581
1582 /* prepare */
1583 ociv = bus_space_read_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CIV);
1584 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_BDBAR,
1585 sc->sc_cddma + ICH_PCMI_OFF(0));
1586 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_LVI,
1587 (0 - 1) & ICH_LVI_MASK);
1588
1589 /* start */
1590 microtime(&t1);
1591 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RPBM);
1592
1593 /* wait */
1594 nciv = ociv;
1595 do {
1596 microtime(&t2);
1597 if (t2.tv_sec - t1.tv_sec > 1)
1598 break;
1599 nciv = bus_space_read_1(sc->iot, sc->aud_ioh,
1600 ICH_PCMI + ICH_CIV);
1601 } while (nciv == ociv);
1602 microtime(&t2);
1603
1604 /* stop */
1605 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, 0);
1606
1607 /* reset */
1608 DELAY(100);
1609 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RR);
1610
1611 /* turn time delta into us */
1612 wait_us = ((t2.tv_sec - t1.tv_sec) * 1000000) + t2.tv_usec - t1.tv_usec;
1613
1614 auich_freem(sc, temp_buffer, M_DEVBUF);
1615
1616 if (nciv == ociv) {
1617 printf("%s: ac97 link rate calibration timed out after %"
1618 PRIu64 " us\n", sc->sc_dev.dv_xname, wait_us);
1619 return;
1620 }
1621
1622 actual_48k_rate = (bytes * UINT64_C(250000)) / wait_us;
1623
1624 if (actual_48k_rate < 50000)
1625 ac97rate = 48000;
1626 else
1627 ac97rate = ((actual_48k_rate + 500) / 1000) * 1000;
1628
1629 printf("%s: measured ac97 link rate at %d Hz",
1630 sc->sc_dev.dv_xname, actual_48k_rate);
1631 if (ac97rate != actual_48k_rate)
1632 printf(", will use %d Hz", ac97rate);
1633 printf("\n");
1634
1635 sc->sc_ac97_clock = ac97rate;
1636 }
1637
1638 static void
1639 auich_clear_cas(struct auich_softc *sc)
1640 {
1641 /* Clear the codec access semaphore */
1642 (void)bus_space_read_2(sc->iot, sc->mix_ioh,
1643 AC97_REG_RESET * (sc->sc_codecnum * ICH_CODEC_OFFSET));
1644
1645 return;
1646 }
1647