auich.c revision 1.39.2.16 1 /* $NetBSD: auich.c,v 1.39.2.16 2005/12/11 10:28:57 christos 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 1.39.2.16 2005/12/11 10:28:57 christos 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_I6300ESB PCI_ID_CODE0(INTEL, 6300ESB_ACA)
356 #define PCIID_SIS7012 PCI_ID_CODE0(SIS, 7012_AC)
357 #define PCIID_NFORCE PCI_ID_CODE0(NVIDIA, NFORCE_MCP_AC)
358 #define PCIID_NFORCE2 PCI_ID_CODE0(NVIDIA, NFORCE2_MCPT_AC)
359 #define PCIID_NFORCE2_400 PCI_ID_CODE0(NVIDIA, NFORCE2_400_MCPT_AC)
360 #define PCIID_NFORCE3 PCI_ID_CODE0(NVIDIA, NFORCE3_MCPT_AC)
361 #define PCIID_NFORCE3_250 PCI_ID_CODE0(NVIDIA, NFORCE3_250_MCPT_AC)
362 #define PCIID_NFORCE4 PCI_ID_CODE0(NVIDIA, NFORCE4_AC)
363 #define PCIID_AMD768 PCI_ID_CODE0(AMD, PBC768_AC)
364 #define PCIID_AMD8111 PCI_ID_CODE0(AMD, PBC8111_AC)
365
366 #define PCIID_ICH3MODEM PCI_ID_CODE0(INTEL, 82801CA_MOD)
367 #define PCIID_ICH4MODEM PCI_ID_CODE0(INTEL, 82801DB_MOD)
368
369 struct auich_devtype {
370 pcireg_t id;
371 const char *name;
372 const char *shortname; /* must be less than 11 characters */
373 };
374
375 static const struct auich_devtype auich_audio_devices[] = {
376 { PCIID_ICH, "i82801AA (ICH) AC-97 Audio", "ICH" },
377 { PCIID_ICH0, "i82801AB (ICH0) AC-97 Audio", "ICH0" },
378 { PCIID_ICH2, "i82801BA (ICH2) AC-97 Audio", "ICH2" },
379 { PCIID_440MX, "i82440MX AC-97 Audio", "440MX" },
380 { PCIID_ICH3, "i82801CA (ICH3) AC-97 Audio", "ICH3" },
381 { PCIID_ICH4, "i82801DB/DBM (ICH4/ICH4M) AC-97 Audio", "ICH4" },
382 { PCIID_ICH5, "i82801EB (ICH5) AC-97 Audio", "ICH5" },
383 { PCIID_ICH6, "i82801FB (ICH6) AC-97 Audio", "ICH6" },
384 { PCIID_ICH7, "i82801GB/GR (ICH7) AC-97 Audio", "ICH7" },
385 { PCIID_I6300ESB, "Intel 6300ESB AC-97 Audio", "I6300ESB" },
386 { PCIID_SIS7012, "SiS 7012 AC-97 Audio", "SiS7012" },
387 { PCIID_NFORCE, "nForce MCP AC-97 Audio", "nForce" },
388 { PCIID_NFORCE2, "nForce2 MCP-T AC-97 Audio", "nForce2" },
389 { PCIID_NFORCE2_400, "nForce2 400 MCP-T AC-97 Audio", "nForce2" },
390 { PCIID_NFORCE3, "nForce3 MCP-T AC-97 Audio", "nForce3" },
391 { PCIID_NFORCE3_250, "nForce3 250 MCP-T AC-97 Audio", "nForce3" },
392 { PCIID_NFORCE4, "nForce4 AC-97 Audio", "nForce4" },
393 { PCIID_AMD768, "AMD768 AC-97 Audio", "AMD768" },
394 { PCIID_AMD8111,"AMD8111 AC-97 Audio", "AMD8111" },
395 { 0, NULL, NULL },
396 };
397
398 static const struct auich_devtype auich_modem_devices[] = {
399 #ifdef AUICH_ATTACH_MODEM
400 { PCIID_ICH3MODEM, "i82801CA (ICH3) AC-97 Modem", "ICH3MODEM" },
401 { PCIID_ICH4MODEM, "i82801DB (ICH4) AC-97 Modem", "ICH4MODEM" },
402 #endif
403 { 0, NULL, NULL },
404 };
405
406 static const struct auich_devtype *
407 auich_lookup(struct pci_attach_args *pa, const struct auich_devtype *auich_devices)
408 {
409 const struct auich_devtype *d;
410
411 for (d = auich_devices; d->name != NULL; d++) {
412 if (pa->pa_id == d->id)
413 return d;
414 }
415
416 return NULL;
417 }
418
419 static int
420 auich_match(struct device *parent, struct cfdata *match, void *aux)
421 {
422 struct pci_attach_args *pa;
423
424 pa = aux;
425 if (auich_lookup(pa, auich_audio_devices) != NULL)
426 return 1;
427 if (auich_lookup(pa, auich_modem_devices) != NULL)
428 return 1;
429
430 return 0;
431 }
432
433 static void
434 auich_attach(struct device *parent, struct device *self, void *aux)
435 {
436 struct auich_softc *sc;
437 struct pci_attach_args *pa;
438 pci_intr_handle_t ih;
439 pcireg_t v;
440 const char *intrstr;
441 const struct auich_devtype *d;
442 const struct sysctlnode *node, *node_ac97clock;
443 int err, node_mib, i;
444
445 sc = (struct auich_softc *)self;
446 pa = aux;
447
448 if ((d = auich_lookup(pa, auich_modem_devices)) != NULL) {
449 sc->sc_modem_offset = 0x10;
450 sc->sc_codectype = AC97_CODEC_TYPE_MODEM;
451 } else if ((d = auich_lookup(pa, auich_audio_devices)) != NULL) {
452 sc->sc_modem_offset = 0;
453 sc->sc_codectype = AC97_CODEC_TYPE_AUDIO;
454 } else
455 panic("auich_attach: impossible");
456
457 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
458 aprint_naive(": Audio controller\n");
459 else
460 aprint_naive(": Modem controller\n");
461
462 sc->sc_pc = pa->pa_pc;
463 sc->sc_pt = pa->pa_tag;
464
465 aprint_normal(": %s\n", d->name);
466
467 if (d->id == PCIID_ICH4 || d->id == PCIID_ICH5 || d->id == PCIID_ICH6
468 || d->id == PCIID_ICH7 || d->id == PCIID_I6300ESB
469 || d->id == PCIID_ICH4MODEM) {
470 /*
471 * Use native mode for Intel 6300ESB and ICH4/ICH5/ICH6/ICH7
472 */
473 if (pci_mapreg_map(pa, ICH_MMBAR, PCI_MAPREG_TYPE_MEM, 0,
474 &sc->iot, &sc->mix_ioh, NULL, &sc->mix_size)) {
475 v = pci_conf_read(pa->pa_pc, pa->pa_tag, ICH_CFG);
476 pci_conf_write(pa->pa_pc, pa->pa_tag, ICH_CFG,
477 v | ICH_CFG_IOSE);
478 if (pci_mapreg_map(pa, ICH_NAMBAR, PCI_MAPREG_TYPE_IO,
479 0, &sc->iot, &sc->mix_ioh, NULL,
480 &sc->mix_size)) {
481 aprint_error("%s: can't map codec i/o space\n",
482 sc->sc_dev.dv_xname);
483 return;
484 }
485 }
486 if (pci_mapreg_map(pa, ICH_MBBAR, PCI_MAPREG_TYPE_MEM, 0,
487 &sc->iot, &sc->aud_ioh, NULL, &sc->aud_size)) {
488 v = pci_conf_read(pa->pa_pc, pa->pa_tag, ICH_CFG);
489 pci_conf_write(pa->pa_pc, pa->pa_tag, ICH_CFG,
490 v | ICH_CFG_IOSE);
491 if (pci_mapreg_map(pa, ICH_NABMBAR, PCI_MAPREG_TYPE_IO,
492 0, &sc->iot, &sc->aud_ioh, NULL,
493 &sc->aud_size)) {
494 aprint_error("%s: can't map device i/o space\n",
495 sc->sc_dev.dv_xname);
496 return;
497 }
498 }
499 } else {
500 if (pci_mapreg_map(pa, ICH_NAMBAR, PCI_MAPREG_TYPE_IO, 0,
501 &sc->iot, &sc->mix_ioh, NULL, &sc->mix_size)) {
502 aprint_error("%s: can't map codec i/o space\n",
503 sc->sc_dev.dv_xname);
504 return;
505 }
506 if (pci_mapreg_map(pa, ICH_NABMBAR, PCI_MAPREG_TYPE_IO, 0,
507 &sc->iot, &sc->aud_ioh, NULL, &sc->aud_size)) {
508 aprint_error("%s: can't map device i/o space\n",
509 sc->sc_dev.dv_xname);
510 return;
511 }
512 }
513 sc->dmat = pa->pa_dmat;
514
515 /* enable bus mastering */
516 v = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
517 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
518 v | PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_BACKTOBACK_ENABLE);
519
520 /* Map and establish the interrupt. */
521 if (pci_intr_map(pa, &ih)) {
522 aprint_error("%s: can't map interrupt\n", sc->sc_dev.dv_xname);
523 return;
524 }
525 intrstr = pci_intr_string(pa->pa_pc, ih);
526 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO,
527 auich_intr, sc);
528 if (sc->sc_ih == NULL) {
529 aprint_error("%s: can't establish interrupt",
530 sc->sc_dev.dv_xname);
531 if (intrstr != NULL)
532 aprint_normal(" at %s", intrstr);
533 aprint_normal("\n");
534 return;
535 }
536 aprint_normal("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
537
538 snprintf(sc->sc_audev.name, MAX_AUDIO_DEV_LEN, "%s AC97", d->shortname);
539 snprintf(sc->sc_audev.version, MAX_AUDIO_DEV_LEN,
540 "0x%02x", PCI_REVISION(pa->pa_class));
541 strlcpy(sc->sc_audev.config, sc->sc_dev.dv_xname, MAX_AUDIO_DEV_LEN);
542
543 /* SiS 7012 needs special handling */
544 if (d->id == PCIID_SIS7012) {
545 sc->sc_sts_reg = ICH_PICB;
546 sc->sc_sample_shift = 0;
547 /* Un-mute output. From Linux. */
548 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_SIS_NV_CTL,
549 bus_space_read_4(sc->iot, sc->aud_ioh, ICH_SIS_NV_CTL) |
550 ICH_SIS_CTL_UNMUTE);
551 } else {
552 sc->sc_sts_reg = ICH_STS;
553 sc->sc_sample_shift = 1;
554 }
555
556 /* Workaround for a 440MX B-stepping erratum */
557 sc->sc_dmamap_flags = BUS_DMA_COHERENT;
558 if (d->id == PCIID_440MX) {
559 sc->sc_dmamap_flags |= BUS_DMA_NOCACHE;
560 printf("%s: DMA bug workaround enabled\n", sc->sc_dev.dv_xname);
561 }
562
563 /* Set up DMA lists. */
564 sc->pcmo.qptr = sc->pcmi.qptr = sc->mici.qptr = 0;
565 auich_alloc_cdata(sc);
566
567 DPRINTF(ICH_DEBUG_DMA, ("auich_attach: lists %p %p %p\n",
568 sc->pcmo.dmalist, sc->pcmi.dmalist, sc->mici.dmalist));
569
570 /* Modem codecs are always the secondary codec on ICH */
571 sc->sc_codecnum = sc->sc_codectype == AC97_CODEC_TYPE_MODEM ? 1 : 0;
572
573 sc->host_if.arg = sc;
574 sc->host_if.attach = auich_attach_codec;
575 sc->host_if.read = auich_read_codec;
576 sc->host_if.write = auich_write_codec;
577 sc->host_if.reset = auich_reset_codec;
578
579 if (ac97_attach_type(&sc->host_if, self, sc->sc_codectype) != 0)
580 return;
581
582 /* setup audio_format */
583 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
584 memcpy(sc->sc_audio_formats, auich_audio_formats, sizeof(auich_audio_formats));
585 if (!AC97_IS_4CH(sc->codec_if))
586 AUFMT_INVALIDATE(&sc->sc_audio_formats[AUICH_FORMATS_4CH]);
587 if (!AC97_IS_6CH(sc->codec_if))
588 AUFMT_INVALIDATE(&sc->sc_audio_formats[AUICH_FORMATS_6CH]);
589 if (AC97_IS_FIXED_RATE(sc->codec_if)) {
590 for (i = 0; i < AUICH_AUDIO_NFORMATS; i++) {
591 sc->sc_audio_formats[i].frequency_type = 1;
592 sc->sc_audio_formats[i].frequency[0] = 48000;
593 }
594 }
595 if (0 != auconv_create_encodings(sc->sc_audio_formats, AUICH_AUDIO_NFORMATS,
596 &sc->sc_encodings))
597 return;
598 } else {
599 memcpy(sc->sc_modem_formats, auich_modem_formats, sizeof(auich_modem_formats));
600 if (0 != auconv_create_encodings(sc->sc_modem_formats, AUICH_MODEM_NFORMATS,
601 &sc->sc_encodings))
602 return;
603 }
604
605
606 /* Watch for power change */
607 sc->sc_suspend = PWR_RESUME;
608 sc->sc_powerhook = powerhook_establish(auich_powerhook, sc);
609
610 config_interrupts(self, auich_finish_attach);
611
612 /* sysctl setup */
613 if (AC97_IS_FIXED_RATE(sc->codec_if) &&
614 sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
615 return;
616
617 err = sysctl_createv(&sc->sc_log, 0, NULL, NULL, 0,
618 CTLTYPE_NODE, "hw", NULL, NULL, 0, NULL, 0,
619 CTL_HW, CTL_EOL);
620 if (err != 0)
621 goto sysctl_err;
622 err = sysctl_createv(&sc->sc_log, 0, NULL, &node, 0,
623 CTLTYPE_NODE, sc->sc_dev.dv_xname, NULL, NULL, 0,
624 NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL);
625 if (err != 0)
626 goto sysctl_err;
627 node_mib = node->sysctl_num;
628
629 if (!AC97_IS_FIXED_RATE(sc->codec_if)) {
630 /* passing the sc address instead of &sc->sc_ac97_clock */
631 err = sysctl_createv(&sc->sc_log, 0, NULL, &node_ac97clock,
632 CTLFLAG_READWRITE,
633 CTLTYPE_INT, "ac97rate",
634 SYSCTL_DESCR("AC'97 codec link rate"),
635 auich_sysctl_verify, 0, sc, 0,
636 CTL_HW, node_mib, CTL_CREATE, CTL_EOL);
637 if (err != 0)
638 goto sysctl_err;
639 sc->sc_ac97_clock_mib = node_ac97clock->sysctl_num;
640 }
641
642 return;
643
644 sysctl_err:
645 printf("%s: failed to add sysctl nodes. (%d)\n",
646 sc->sc_dev.dv_xname, err);
647 return; /* failure of sysctl is not fatal. */
648 }
649
650 static int
651 auich_activate(struct device *self, enum devact act)
652 {
653 struct auich_softc *sc;
654 int ret;
655
656 sc = (struct auich_softc *)self;
657 ret = 0;
658 switch (act) {
659 case DVACT_ACTIVATE:
660 return EOPNOTSUPP;
661 case DVACT_DEACTIVATE:
662 if (sc->sc_audiodev != NULL)
663 ret = config_deactivate(sc->sc_audiodev);
664 return ret;
665 }
666 return EOPNOTSUPP;
667 }
668
669 static int
670 auich_detach(struct device *self, int flags)
671 {
672 struct auich_softc *sc;
673
674 sc = (struct auich_softc *)self;
675
676 /* audio */
677 if (sc->sc_audiodev != NULL)
678 config_detach(sc->sc_audiodev, flags);
679
680 /* sysctl */
681 sysctl_teardown(&sc->sc_log);
682
683 /* audio_encoding_set */
684 auconv_delete_encodings(sc->sc_encodings);
685
686 /* ac97 */
687 if (sc->codec_if != NULL)
688 sc->codec_if->vtbl->detach(sc->codec_if);
689
690 /* PCI */
691 if (sc->sc_ih != NULL)
692 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
693 if (sc->mix_size != 0)
694 bus_space_unmap(sc->iot, sc->mix_ioh, sc->mix_size);
695 if (sc->aud_size != 0)
696 bus_space_unmap(sc->iot, sc->aud_ioh, sc->aud_size);
697 return 0;
698 }
699
700 static int
701 auich_sysctl_verify(SYSCTLFN_ARGS)
702 {
703 int error, tmp;
704 struct sysctlnode node;
705 struct auich_softc *sc;
706
707 node = *rnode;
708 sc = rnode->sysctl_data;
709 if (node.sysctl_num == sc->sc_ac97_clock_mib) {
710 tmp = sc->sc_ac97_clock;
711 node.sysctl_data = &tmp;
712 error = sysctl_lookup(SYSCTLFN_CALL(&node));
713 if (error || newp == NULL)
714 return error;
715
716 if (tmp < 48000 || tmp > 96000)
717 return EINVAL;
718 sc->sc_ac97_clock = tmp;
719 }
720
721 return 0;
722 }
723
724 static void
725 auich_finish_attach(struct device *self)
726 {
727 struct auich_softc *sc;
728
729 sc = (void *)self;
730 if (!AC97_IS_FIXED_RATE(sc->codec_if))
731 auich_calibrate(sc);
732
733 sc->sc_audiodev = audio_attach_mi(&auich_hw_if, sc, &sc->sc_dev);
734 }
735
736 #define ICH_CODECIO_INTERVAL 10
737 static int
738 auich_read_codec(void *v, uint8_t reg, uint16_t *val)
739 {
740 struct auich_softc *sc;
741 int i;
742 uint32_t status;
743
744 sc = v;
745 /* wait for an access semaphore */
746 for (i = ICH_SEMATIMO / ICH_CODECIO_INTERVAL; i-- &&
747 bus_space_read_1(sc->iot, sc->aud_ioh,
748 ICH_CAS + sc->sc_modem_offset) & 1;
749 DELAY(ICH_CODECIO_INTERVAL));
750
751 if (i > 0) {
752 *val = bus_space_read_2(sc->iot, sc->mix_ioh,
753 reg + (sc->sc_codecnum * ICH_CODEC_OFFSET));
754 DPRINTF(ICH_DEBUG_CODECIO,
755 ("auich_read_codec(%x, %x)\n", reg, *val));
756 status = bus_space_read_4(sc->iot, sc->aud_ioh,
757 ICH_GSTS + sc->sc_modem_offset);
758 if (status & ICH_RCS) {
759 bus_space_write_4(sc->iot, sc->aud_ioh,
760 ICH_GSTS + sc->sc_modem_offset,
761 status & ~(ICH_SRI|ICH_PRI|ICH_GSCI));
762 *val = 0xffff;
763 DPRINTF(ICH_DEBUG_CODECIO,
764 ("%s: read_codec error\n", sc->sc_dev.dv_xname));
765 if (reg == AC97_REG_GPIO_STATUS)
766 auich_clear_cas(sc);
767 return -1;
768 }
769 if (reg == AC97_REG_GPIO_STATUS)
770 auich_clear_cas(sc);
771 return 0;
772 } else {
773 aprint_normal("%s: read_codec timeout\n", sc->sc_dev.dv_xname);
774 if (reg == AC97_REG_GPIO_STATUS)
775 auich_clear_cas(sc);
776 return -1;
777 }
778 }
779
780 static int
781 auich_write_codec(void *v, uint8_t reg, uint16_t val)
782 {
783 struct auich_softc *sc;
784 int i;
785
786 DPRINTF(ICH_DEBUG_CODECIO, ("auich_write_codec(%x, %x)\n", reg, val));
787 sc = v;
788 /* wait for an access semaphore */
789 for (i = ICH_SEMATIMO / ICH_CODECIO_INTERVAL; i-- &&
790 bus_space_read_1(sc->iot, sc->aud_ioh,
791 ICH_CAS + sc->sc_modem_offset) & 1;
792 DELAY(ICH_CODECIO_INTERVAL));
793
794 if (i > 0) {
795 bus_space_write_2(sc->iot, sc->mix_ioh,
796 reg + (sc->sc_codecnum * ICH_CODEC_OFFSET), val);
797 return 0;
798 } else {
799 aprint_normal("%s: write_codec timeout\n", sc->sc_dev.dv_xname);
800 return -1;
801 }
802 }
803
804 static int
805 auich_attach_codec(void *v, struct ac97_codec_if *cif)
806 {
807 struct auich_softc *sc;
808
809 sc = v;
810 sc->codec_if = cif;
811
812 return 0;
813 }
814
815 static int
816 auich_reset_codec(void *v)
817 {
818 struct auich_softc *sc;
819 int i;
820 uint32_t control, status;
821
822 sc = v;
823 control = bus_space_read_4(sc->iot, sc->aud_ioh,
824 ICH_GCTRL + sc->sc_modem_offset);
825 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
826 control &= ~(ICH_ACLSO | ICH_PCM246_MASK);
827 } else {
828 control &= ~ICH_ACLSO;
829 control |= ICH_GIE;
830 }
831 control |= (control & ICH_CRESET) ? ICH_WRESET : ICH_CRESET;
832 bus_space_write_4(sc->iot, sc->aud_ioh,
833 ICH_GCTRL + sc->sc_modem_offset, control);
834
835 for (i = 500000; i >= 0; i--) {
836 status = bus_space_read_4(sc->iot, sc->aud_ioh,
837 ICH_GSTS + sc->sc_modem_offset);
838 if (status & (ICH_PCR | ICH_SCR | ICH_S2CR))
839 break;
840 DELAY(1);
841 }
842 if (i <= 0) {
843 printf("%s: auich_reset_codec: time out\n", sc->sc_dev.dv_xname);
844 return ETIMEDOUT;
845 }
846 #ifdef DEBUG
847 if (status & ICH_SCR)
848 printf("%s: The 2nd codec is ready.\n",
849 sc->sc_dev.dv_xname);
850 if (status & ICH_S2CR)
851 printf("%s: The 3rd codec is ready.\n",
852 sc->sc_dev.dv_xname);
853 #endif
854 return 0;
855 }
856
857 static int
858 auich_query_encoding(void *v, struct audio_encoding *aep)
859 {
860 struct auich_softc *sc;
861
862 sc = (struct auich_softc *)v;
863 return auconv_query_encoding(sc->sc_encodings, aep);
864 }
865
866 static int
867 auich_set_rate(struct auich_softc *sc, int mode, u_long srate)
868 {
869 int ret;
870 u_int ratetmp;
871
872 sc->codec_if->vtbl->set_clock(sc->codec_if, sc->sc_ac97_clock);
873 ratetmp = srate;
874 if (mode == AUMODE_RECORD)
875 return sc->codec_if->vtbl->set_rate(sc->codec_if,
876 AC97_REG_PCM_LR_ADC_RATE, &ratetmp);
877 ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
878 AC97_REG_PCM_FRONT_DAC_RATE, &ratetmp);
879 if (ret)
880 return ret;
881 ratetmp = srate;
882 ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
883 AC97_REG_PCM_SURR_DAC_RATE, &ratetmp);
884 if (ret)
885 return ret;
886 ratetmp = srate;
887 ret = sc->codec_if->vtbl->set_rate(sc->codec_if,
888 AC97_REG_PCM_LFE_DAC_RATE, &ratetmp);
889 return ret;
890 }
891
892 static int
893 auich_set_params(void *v, int setmode, int usemode, audio_params_t *play,
894 audio_params_t *rec, stream_filter_list_t *pfil, stream_filter_list_t *rfil)
895 {
896 struct auich_softc *sc;
897 audio_params_t *p;
898 stream_filter_list_t *fil;
899 int mode, index;
900 uint32_t control;
901
902 sc = v;
903 for (mode = AUMODE_RECORD; mode != -1;
904 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
905 if ((setmode & mode) == 0)
906 continue;
907
908 p = mode == AUMODE_PLAY ? play : rec;
909 fil = mode == AUMODE_PLAY ? pfil : rfil;
910 if (p == NULL)
911 continue;
912
913 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
914 if (p->sample_rate < 8000 ||
915 p->sample_rate > 48000)
916 return EINVAL;
917
918 index = auconv_set_converter(sc->sc_audio_formats, AUICH_AUDIO_NFORMATS,
919 mode, p, TRUE, fil);
920 } else {
921 if (p->sample_rate != 8000 && p->sample_rate != 16000)
922 return EINVAL;
923 index = auconv_set_converter(sc->sc_modem_formats, AUICH_MODEM_NFORMATS,
924 mode, p, TRUE, fil);
925 }
926 if (index < 0)
927 return EINVAL;
928 if (fil->req_size > 0)
929 p = &fil->filters[0].param;
930 /* p represents HW encoding */
931 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
932 if (sc->sc_audio_formats[index].frequency_type != 1
933 && auich_set_rate(sc, mode, p->sample_rate))
934 return EINVAL;
935 } else {
936 if (sc->sc_modem_formats[index].frequency_type != 1
937 && auich_set_rate(sc, mode, p->sample_rate))
938 return EINVAL;
939 auich_write_codec(sc, AC97_REG_LINE1_RATE,
940 p->sample_rate);
941 auich_write_codec(sc, AC97_REG_LINE1_LEVEL, 0);
942 }
943 if (mode == AUMODE_PLAY &&
944 sc->sc_codectype == AC97_CODEC_TYPE_AUDIO) {
945 control = bus_space_read_4(sc->iot, sc->aud_ioh,
946 ICH_GCTRL + sc->sc_modem_offset);
947 control &= ~ICH_PCM246_MASK;
948 if (p->channels == 4) {
949 control |= ICH_PCM4;
950 } else if (p->channels == 6) {
951 control |= ICH_PCM6;
952 }
953 bus_space_write_4(sc->iot, sc->aud_ioh,
954 ICH_GCTRL + sc->sc_modem_offset, control);
955 }
956 }
957
958 return 0;
959 }
960
961 static int
962 auich_round_blocksize(void *v, int blk, int mode, const audio_params_t *param)
963 {
964
965 return blk & ~0x3f; /* keep good alignment */
966 }
967
968 static void
969 auich_halt_pipe(struct auich_softc *sc, int pipe)
970 {
971 int i;
972 uint32_t status;
973
974 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_CTRL, 0);
975 for (i = 0; i < 100; i++) {
976 status = bus_space_read_4(sc->iot, sc->aud_ioh, pipe + ICH_STS);
977 if (status & ICH_DCH)
978 break;
979 DELAY(1);
980 }
981 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_CTRL, ICH_RR);
982
983 #if AUICH_DEBUG
984 if (i > 0)
985 printf("auich_halt_pipe: halt took %d cycles\n", i);
986 #endif
987 }
988
989 static int
990 auich_halt_output(void *v)
991 {
992 struct auich_softc *sc;
993
994 sc = v;
995 DPRINTF(ICH_DEBUG_DMA, ("%s: halt_output\n", sc->sc_dev.dv_xname));
996
997 auich_halt_pipe(sc, ICH_PCMO);
998 sc->pcmo.intr = NULL;
999
1000 return 0;
1001 }
1002
1003 static int
1004 auich_halt_input(void *v)
1005 {
1006 struct auich_softc *sc;
1007
1008 sc = v;
1009 DPRINTF(ICH_DEBUG_DMA, ("%s: halt_input\n", sc->sc_dev.dv_xname));
1010
1011 auich_halt_pipe(sc, ICH_PCMI);
1012 sc->pcmi.intr = NULL;
1013
1014 return 0;
1015 }
1016
1017 static int
1018 auich_getdev(void *v, struct audio_device *adp)
1019 {
1020 struct auich_softc *sc;
1021
1022 sc = v;
1023 *adp = sc->sc_audev;
1024 return 0;
1025 }
1026
1027 static int
1028 auich_set_port(void *v, mixer_ctrl_t *cp)
1029 {
1030 struct auich_softc *sc;
1031
1032 sc = v;
1033 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1034 }
1035
1036 static int
1037 auich_get_port(void *v, mixer_ctrl_t *cp)
1038 {
1039 struct auich_softc *sc;
1040
1041 sc = v;
1042 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1043 }
1044
1045 static int
1046 auich_query_devinfo(void *v, mixer_devinfo_t *dp)
1047 {
1048 struct auich_softc *sc;
1049
1050 sc = v;
1051 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dp);
1052 }
1053
1054 static void *
1055 auich_allocm(void *v, int direction, size_t size, struct malloc_type *pool,
1056 int flags)
1057 {
1058 struct auich_softc *sc;
1059 struct auich_dma *p;
1060 int error;
1061
1062 if (size > (ICH_DMALIST_MAX * ICH_DMASEG_MAX))
1063 return NULL;
1064
1065 p = malloc(sizeof(*p), pool, flags|M_ZERO);
1066 if (p == NULL)
1067 return NULL;
1068
1069 sc = v;
1070 error = auich_allocmem(sc, size, 0, p);
1071 if (error) {
1072 free(p, pool);
1073 return NULL;
1074 }
1075
1076 p->next = sc->sc_dmas;
1077 sc->sc_dmas = p;
1078
1079 return KERNADDR(p);
1080 }
1081
1082 static void
1083 auich_freem(void *v, void *ptr, struct malloc_type *pool)
1084 {
1085 struct auich_softc *sc;
1086 struct auich_dma *p, **pp;
1087
1088 sc = v;
1089 for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1090 if (KERNADDR(p) == ptr) {
1091 auich_freemem(sc, p);
1092 *pp = p->next;
1093 free(p, pool);
1094 return;
1095 }
1096 }
1097 }
1098
1099 static size_t
1100 auich_round_buffersize(void *v, int direction, size_t size)
1101 {
1102
1103 if (size > (ICH_DMALIST_MAX * ICH_DMASEG_MAX))
1104 size = ICH_DMALIST_MAX * ICH_DMASEG_MAX;
1105
1106 return size;
1107 }
1108
1109 static paddr_t
1110 auich_mappage(void *v, void *mem, off_t off, int prot)
1111 {
1112 struct auich_softc *sc;
1113 struct auich_dma *p;
1114
1115 if (off < 0)
1116 return -1;
1117 sc = v;
1118 for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
1119 continue;
1120 if (!p)
1121 return -1;
1122 return bus_dmamem_mmap(sc->dmat, p->segs, p->nsegs,
1123 off, prot, BUS_DMA_WAITOK);
1124 }
1125
1126 static int
1127 auich_get_props(void *v)
1128 {
1129 struct auich_softc *sc;
1130 int props;
1131
1132 props = AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1133 sc = v;
1134 /*
1135 * Even if the codec is fixed-rate, set_param() succeeds for any sample
1136 * rate because of aurateconv. Applications can't know what rate the
1137 * device can process in the case of mmap().
1138 */
1139 if (!AC97_IS_FIXED_RATE(sc->codec_if) ||
1140 sc->sc_codectype == AC97_CODEC_TYPE_MODEM)
1141 props |= AUDIO_PROP_MMAP;
1142 return props;
1143 }
1144
1145 static int
1146 auich_intr(void *v)
1147 {
1148 struct auich_softc *sc;
1149 int ret, gsts;
1150 #ifdef DIAGNOSTIC
1151 int csts;
1152 #endif
1153
1154 sc = v;
1155 ret = 0;
1156 #ifdef DIAGNOSTIC
1157 csts = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
1158 if (csts & PCI_STATUS_MASTER_ABORT) {
1159 printf("auich_intr: PCI master abort\n");
1160 }
1161 #endif
1162
1163 gsts = bus_space_read_4(sc->iot, sc->aud_ioh,
1164 ICH_GSTS + sc->sc_modem_offset);
1165 DPRINTF(ICH_DEBUG_INTR, ("auich_intr: gsts=0x%x\n", gsts));
1166
1167 if ((sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_POINT) ||
1168 (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_MOINT)) {
1169 int sts;
1170
1171 sts = bus_space_read_2(sc->iot, sc->aud_ioh,
1172 ICH_PCMO + sc->sc_sts_reg);
1173 DPRINTF(ICH_DEBUG_INTR,
1174 ("auich_intr: osts=0x%x\n", sts));
1175
1176 if (sts & ICH_FIFOE)
1177 printf("%s: fifo underrun\n", sc->sc_dev.dv_xname);
1178
1179 if (sts & ICH_BCIS)
1180 auich_intr_pipe(sc, ICH_PCMO, &sc->pcmo);
1181
1182 /* int ack */
1183 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMO +
1184 sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
1185 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
1186 bus_space_write_4(sc->iot, sc->aud_ioh,
1187 ICH_GSTS + sc->sc_modem_offset, ICH_POINT);
1188 else
1189 bus_space_write_4(sc->iot, sc->aud_ioh,
1190 ICH_GSTS + sc->sc_modem_offset, ICH_MOINT);
1191 ret++;
1192 }
1193
1194 if ((sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_PIINT) ||
1195 (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_MIINT)) {
1196 int sts;
1197
1198 sts = bus_space_read_2(sc->iot, sc->aud_ioh,
1199 ICH_PCMI + sc->sc_sts_reg);
1200 DPRINTF(ICH_DEBUG_INTR,
1201 ("auich_intr: ists=0x%x\n", sts));
1202
1203 if (sts & ICH_FIFOE)
1204 printf("%s: fifo overrun\n", sc->sc_dev.dv_xname);
1205
1206 if (sts & ICH_BCIS)
1207 auich_intr_pipe(sc, ICH_PCMI, &sc->pcmi);
1208
1209 /* int ack */
1210 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_PCMI +
1211 sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
1212 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO)
1213 bus_space_write_4(sc->iot, sc->aud_ioh,
1214 ICH_GSTS + sc->sc_modem_offset, ICH_PIINT);
1215 else
1216 bus_space_write_4(sc->iot, sc->aud_ioh,
1217 ICH_GSTS + sc->sc_modem_offset, ICH_MIINT);
1218 ret++;
1219 }
1220
1221 if (sc->sc_codectype == AC97_CODEC_TYPE_AUDIO && gsts & ICH_MINT) {
1222 int sts;
1223
1224 sts = bus_space_read_2(sc->iot, sc->aud_ioh,
1225 ICH_MICI + sc->sc_sts_reg);
1226 DPRINTF(ICH_DEBUG_INTR,
1227 ("auich_intr: ists=0x%x\n", sts));
1228
1229 if (sts & ICH_FIFOE)
1230 printf("%s: fifo overrun\n", sc->sc_dev.dv_xname);
1231
1232 if (sts & ICH_BCIS)
1233 auich_intr_pipe(sc, ICH_MICI, &sc->mici);
1234
1235 /* int ack */
1236 bus_space_write_2(sc->iot, sc->aud_ioh, ICH_MICI +
1237 sc->sc_sts_reg, sts & (ICH_BCIS | ICH_FIFOE));
1238 bus_space_write_4(sc->iot, sc->aud_ioh,
1239 ICH_GSTS + sc->sc_modem_offset, ICH_MINT);
1240 ret++;
1241 }
1242
1243 #ifdef AUICH_MODEM_DEBUG
1244 if (sc->sc_codectype == AC97_CODEC_TYPE_MODEM && gsts & ICH_GSCI) {
1245 printf("%s: gsts=0x%x\n", sc->sc_dev.dv_xname, gsts);
1246 /* int ack */
1247 bus_space_write_4(sc->iot, sc->aud_ioh,
1248 ICH_GSTS + sc->sc_modem_offset, ICH_GSCI);
1249 ret++;
1250 }
1251 #endif
1252
1253 return ret;
1254 }
1255
1256 static void
1257 auich_trigger_pipe(struct auich_softc *sc, int pipe, struct auich_ring *ring)
1258 {
1259 int blksize, qptr;
1260 struct auich_dmalist *q;
1261
1262 blksize = ring->blksize;
1263
1264 for (qptr = 0; qptr < ICH_DMALIST_MAX; qptr++) {
1265 q = &ring->dmalist[qptr];
1266 q->base = ring->p;
1267 q->len = (blksize >> sc->sc_sample_shift) | ICH_DMAF_IOC;
1268
1269 ring->p += blksize;
1270 if (ring->p >= ring->end)
1271 ring->p = ring->start;
1272 }
1273 ring->qptr = 0;
1274
1275 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_LVI,
1276 (qptr - 1) & ICH_LVI_MASK);
1277 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_CTRL,
1278 ICH_IOCE | ICH_FEIE | ICH_RPBM);
1279 }
1280
1281 static void
1282 auich_intr_pipe(struct auich_softc *sc, int pipe, struct auich_ring *ring)
1283 {
1284 int blksize, qptr, nqptr;
1285 struct auich_dmalist *q;
1286
1287 blksize = ring->blksize;
1288 qptr = ring->qptr;
1289 nqptr = bus_space_read_1(sc->iot, sc->aud_ioh, pipe + ICH_CIV);
1290
1291 while (qptr != nqptr) {
1292 q = &ring->dmalist[qptr];
1293 q->base = ring->p;
1294 q->len = (blksize >> sc->sc_sample_shift) | ICH_DMAF_IOC;
1295
1296 DPRINTF(ICH_DEBUG_INTR,
1297 ("auich_intr: %p, %p = %x @ 0x%x\n",
1298 &ring->dmalist[qptr], q, q->len, q->base));
1299
1300 ring->p += blksize;
1301 if (ring->p >= ring->end)
1302 ring->p = ring->start;
1303
1304 qptr = (qptr + 1) & ICH_LVI_MASK;
1305 if (ring->intr)
1306 ring->intr(ring->arg);
1307 }
1308 ring->qptr = qptr;
1309
1310 bus_space_write_1(sc->iot, sc->aud_ioh, pipe + ICH_LVI,
1311 (qptr - 1) & ICH_LVI_MASK);
1312 }
1313
1314 static int
1315 auich_trigger_output(void *v, void *start, void *end, int blksize,
1316 void (*intr)(void *), void *arg, const audio_params_t *param)
1317 {
1318 struct auich_softc *sc;
1319 struct auich_dma *p;
1320 size_t size;
1321
1322 DPRINTF(ICH_DEBUG_DMA,
1323 ("auich_trigger_output(%p, %p, %d, %p, %p, %p)\n",
1324 start, end, blksize, intr, arg, param));
1325 sc = v;
1326
1327 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1328 continue;
1329 if (!p) {
1330 printf("auich_trigger_output: bad addr %p\n", start);
1331 return EINVAL;
1332 }
1333
1334 size = (size_t)((caddr_t)end - (caddr_t)start);
1335
1336 sc->pcmo.intr = intr;
1337 sc->pcmo.arg = arg;
1338 sc->pcmo.start = DMAADDR(p);
1339 sc->pcmo.p = sc->pcmo.start;
1340 sc->pcmo.end = sc->pcmo.start + size;
1341 sc->pcmo.blksize = blksize;
1342
1343 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMO + ICH_BDBAR,
1344 sc->sc_cddma + ICH_PCMO_OFF(0));
1345 auich_trigger_pipe(sc, ICH_PCMO, &sc->pcmo);
1346
1347 return 0;
1348 }
1349
1350 static int
1351 auich_trigger_input(void *v, void *start, void *end, int blksize,
1352 void (*intr)(void *), void *arg, const audio_params_t *param)
1353 {
1354 struct auich_softc *sc;
1355 struct auich_dma *p;
1356 size_t size;
1357
1358 DPRINTF(ICH_DEBUG_DMA,
1359 ("auich_trigger_input(%p, %p, %d, %p, %p, %p)\n",
1360 start, end, blksize, intr, arg, param));
1361 sc = v;
1362
1363 for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1364 continue;
1365 if (!p) {
1366 printf("auich_trigger_input: bad addr %p\n", start);
1367 return EINVAL;
1368 }
1369
1370 size = (size_t)((caddr_t)end - (caddr_t)start);
1371
1372 sc->pcmi.intr = intr;
1373 sc->pcmi.arg = arg;
1374 sc->pcmi.start = DMAADDR(p);
1375 sc->pcmi.p = sc->pcmi.start;
1376 sc->pcmi.end = sc->pcmi.start + size;
1377 sc->pcmi.blksize = blksize;
1378
1379 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_BDBAR,
1380 sc->sc_cddma + ICH_PCMI_OFF(0));
1381 auich_trigger_pipe(sc, ICH_PCMI, &sc->pcmi);
1382
1383 return 0;
1384 }
1385
1386 static int
1387 auich_allocmem(struct auich_softc *sc, size_t size, size_t align,
1388 struct auich_dma *p)
1389 {
1390 int error;
1391
1392 p->size = size;
1393 error = bus_dmamem_alloc(sc->dmat, p->size, align, 0,
1394 p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
1395 &p->nsegs, BUS_DMA_NOWAIT);
1396 if (error)
1397 return error;
1398
1399 error = bus_dmamem_map(sc->dmat, p->segs, p->nsegs, p->size,
1400 &p->addr, BUS_DMA_NOWAIT|sc->sc_dmamap_flags);
1401 if (error)
1402 goto free;
1403
1404 error = bus_dmamap_create(sc->dmat, p->size, 1, p->size,
1405 0, BUS_DMA_NOWAIT, &p->map);
1406 if (error)
1407 goto unmap;
1408
1409 error = bus_dmamap_load(sc->dmat, p->map, p->addr, p->size, NULL,
1410 BUS_DMA_NOWAIT);
1411 if (error)
1412 goto destroy;
1413 return 0;
1414
1415 destroy:
1416 bus_dmamap_destroy(sc->dmat, p->map);
1417 unmap:
1418 bus_dmamem_unmap(sc->dmat, p->addr, p->size);
1419 free:
1420 bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
1421 return error;
1422 }
1423
1424 static int
1425 auich_freemem(struct auich_softc *sc, struct auich_dma *p)
1426 {
1427
1428 bus_dmamap_unload(sc->dmat, p->map);
1429 bus_dmamap_destroy(sc->dmat, p->map);
1430 bus_dmamem_unmap(sc->dmat, p->addr, p->size);
1431 bus_dmamem_free(sc->dmat, p->segs, p->nsegs);
1432 return 0;
1433 }
1434
1435 static int
1436 auich_alloc_cdata(struct auich_softc *sc)
1437 {
1438 bus_dma_segment_t seg;
1439 int error, rseg;
1440
1441 /*
1442 * Allocate the control data structure, and create and load the
1443 * DMA map for it.
1444 */
1445 if ((error = bus_dmamem_alloc(sc->dmat,
1446 sizeof(struct auich_cdata),
1447 PAGE_SIZE, 0, &seg, 1, &rseg, 0)) != 0) {
1448 printf("%s: unable to allocate control data, error = %d\n",
1449 sc->sc_dev.dv_xname, error);
1450 goto fail_0;
1451 }
1452
1453 if ((error = bus_dmamem_map(sc->dmat, &seg, rseg,
1454 sizeof(struct auich_cdata),
1455 (caddr_t *) &sc->sc_cdata,
1456 sc->sc_dmamap_flags)) != 0) {
1457 printf("%s: unable to map control data, error = %d\n",
1458 sc->sc_dev.dv_xname, error);
1459 goto fail_1;
1460 }
1461
1462 if ((error = bus_dmamap_create(sc->dmat, sizeof(struct auich_cdata), 1,
1463 sizeof(struct auich_cdata), 0, 0,
1464 &sc->sc_cddmamap)) != 0) {
1465 printf("%s: unable to create control data DMA map, "
1466 "error = %d\n", sc->sc_dev.dv_xname, error);
1467 goto fail_2;
1468 }
1469
1470 if ((error = bus_dmamap_load(sc->dmat, sc->sc_cddmamap,
1471 sc->sc_cdata, sizeof(struct auich_cdata),
1472 NULL, 0)) != 0) {
1473 printf("%s: unable tp load control data DMA map, "
1474 "error = %d\n", sc->sc_dev.dv_xname, error);
1475 goto fail_3;
1476 }
1477
1478 sc->pcmo.dmalist = sc->sc_cdata->ic_dmalist_pcmo;
1479 sc->pcmi.dmalist = sc->sc_cdata->ic_dmalist_pcmi;
1480 sc->mici.dmalist = sc->sc_cdata->ic_dmalist_mici;
1481
1482 return 0;
1483
1484 fail_3:
1485 bus_dmamap_destroy(sc->dmat, sc->sc_cddmamap);
1486 fail_2:
1487 bus_dmamem_unmap(sc->dmat, (caddr_t) sc->sc_cdata,
1488 sizeof(struct auich_cdata));
1489 fail_1:
1490 bus_dmamem_free(sc->dmat, &seg, rseg);
1491 fail_0:
1492 return error;
1493 }
1494
1495 static void
1496 auich_powerhook(int why, void *addr)
1497 {
1498 struct auich_softc *sc;
1499
1500 sc = (struct auich_softc *)addr;
1501 switch (why) {
1502 case PWR_SUSPEND:
1503 case PWR_STANDBY:
1504 /* Power down */
1505 DPRINTF(1, ("%s: power down\n", sc->sc_dev.dv_xname));
1506 sc->sc_suspend = why;
1507 pci_conf_capture(sc->sc_pc, sc->sc_pt, &sc->sc_pciconf);
1508 break;
1509
1510 case PWR_RESUME:
1511 /* Wake up */
1512 DPRINTF(1, ("%s: power resume\n", sc->sc_dev.dv_xname));
1513 if (sc->sc_suspend == PWR_RESUME) {
1514 printf("%s: resume without suspend.\n",
1515 sc->sc_dev.dv_xname);
1516 sc->sc_suspend = why;
1517 return;
1518 }
1519 pci_conf_restore(sc->sc_pc, sc->sc_pt, &sc->sc_pciconf);
1520 sc->sc_suspend = why;
1521 auich_reset_codec(sc);
1522 DELAY(1000);
1523 (sc->codec_if->vtbl->restore_ports)(sc->codec_if);
1524 break;
1525
1526 case PWR_SOFTSUSPEND:
1527 case PWR_SOFTSTANDBY:
1528 case PWR_SOFTRESUME:
1529 break;
1530 }
1531 }
1532
1533 /*
1534 * Calibrate card (some boards are overclocked and need scaling)
1535 */
1536 static void
1537 auich_calibrate(struct auich_softc *sc)
1538 {
1539 struct timeval t1, t2;
1540 uint8_t ociv, nciv;
1541 uint64_t wait_us;
1542 uint32_t actual_48k_rate, bytes, ac97rate;
1543 void *temp_buffer;
1544 struct auich_dma *p;
1545 u_int rate;
1546
1547 /*
1548 * Grab audio from input for fixed interval and compare how
1549 * much we actually get with what we expect. Interval needs
1550 * to be sufficiently short that no interrupts are
1551 * generated.
1552 */
1553
1554 /* Force the codec to a known state first. */
1555 sc->codec_if->vtbl->set_clock(sc->codec_if, 48000);
1556 rate = sc->sc_ac97_clock = 48000;
1557 sc->codec_if->vtbl->set_rate(sc->codec_if, AC97_REG_PCM_LR_ADC_RATE,
1558 &rate);
1559
1560 /* Setup a buffer */
1561 bytes = 64000;
1562 temp_buffer = auich_allocm(sc, AUMODE_RECORD, bytes, M_DEVBUF, M_WAITOK);
1563
1564 for (p = sc->sc_dmas; p && KERNADDR(p) != temp_buffer; p = p->next)
1565 continue;
1566 if (p == NULL) {
1567 printf("auich_calibrate: bad address %p\n", temp_buffer);
1568 return;
1569 }
1570 sc->pcmi.dmalist[0].base = DMAADDR(p);
1571 sc->pcmi.dmalist[0].len = (bytes >> sc->sc_sample_shift);
1572
1573 /*
1574 * our data format is stereo, 16 bit so each sample is 4 bytes.
1575 * assuming we get 48000 samples per second, we get 192000 bytes/sec.
1576 * we're going to start recording with interrupts disabled and measure
1577 * the time taken for one block to complete. we know the block size,
1578 * we know the time in microseconds, we calculate the sample rate:
1579 *
1580 * actual_rate [bps] = bytes / (time [s] * 4)
1581 * actual_rate [bps] = (bytes * 1000000) / (time [us] * 4)
1582 * actual_rate [Hz] = (bytes * 250000) / time [us]
1583 */
1584
1585 /* prepare */
1586 ociv = bus_space_read_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CIV);
1587 bus_space_write_4(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_BDBAR,
1588 sc->sc_cddma + ICH_PCMI_OFF(0));
1589 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_LVI,
1590 (0 - 1) & ICH_LVI_MASK);
1591
1592 /* start */
1593 microtime(&t1);
1594 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RPBM);
1595
1596 /* wait */
1597 nciv = ociv;
1598 do {
1599 microtime(&t2);
1600 if (t2.tv_sec - t1.tv_sec > 1)
1601 break;
1602 nciv = bus_space_read_1(sc->iot, sc->aud_ioh,
1603 ICH_PCMI + ICH_CIV);
1604 } while (nciv == ociv);
1605 microtime(&t2);
1606
1607 /* stop */
1608 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, 0);
1609
1610 /* reset */
1611 DELAY(100);
1612 bus_space_write_1(sc->iot, sc->aud_ioh, ICH_PCMI + ICH_CTRL, ICH_RR);
1613
1614 /* turn time delta into us */
1615 wait_us = ((t2.tv_sec - t1.tv_sec) * 1000000) + t2.tv_usec - t1.tv_usec;
1616
1617 auich_freem(sc, temp_buffer, M_DEVBUF);
1618
1619 if (nciv == ociv) {
1620 printf("%s: ac97 link rate calibration timed out after %"
1621 PRIu64 " us\n", sc->sc_dev.dv_xname, wait_us);
1622 return;
1623 }
1624
1625 actual_48k_rate = (bytes * UINT64_C(250000)) / wait_us;
1626
1627 if (actual_48k_rate < 50000)
1628 ac97rate = 48000;
1629 else
1630 ac97rate = ((actual_48k_rate + 500) / 1000) * 1000;
1631
1632 printf("%s: measured ac97 link rate at %d Hz",
1633 sc->sc_dev.dv_xname, actual_48k_rate);
1634 if (ac97rate != actual_48k_rate)
1635 printf(", will use %d Hz", ac97rate);
1636 printf("\n");
1637
1638 sc->sc_ac97_clock = ac97rate;
1639 }
1640
1641 static void
1642 auich_clear_cas(struct auich_softc *sc)
1643 {
1644 /* Clear the codec access semaphore */
1645 (void)bus_space_read_2(sc->iot, sc->mix_ioh,
1646 AC97_REG_RESET * (sc->sc_codecnum * ICH_CODEC_OFFSET));
1647
1648 return;
1649 }
1650