1 /*        $NetBSD: eap.c,v 1.103 2024/05/17 12:20:02 nia Exp $        */
2 /*      $OpenBSD: eap.c,v 1.6 1999/10/05 19:24:42 csapuntz Exp $ */
3 
4 /*
5  * Copyright (c) 1998, 1999, 2002, 2008 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson <augustss@NetBSD.org>, Charles M. Hannum,
10  * Antti Kantee <pooka@NetBSD.org>, and Andrew Doran.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * Debugging:   Andreas Gustafsson <gson@araneus.fi>
36  * Testing:     Chuck Cranor       <chuck@maria.wustl.edu>
37  *              Phil Nelson        <phil@cs.wwu.edu>
38  *
39  * ES1371/AC97:     Ezra Story         <ezy@panix.com>
40  */
41 
42 /*
43  * Ensoniq ES1370 + AK4531 and ES1371/ES1373 + AC97
44  *
45  * Documentation links:
46  *
47  * ftp://ftp.alsa-project.org/pub/manuals/ensoniq/ (ES1370 and 1371 datasheets)
48  * http://web.archive.org/web/20040622012936/http://www.corbac.com/Data/Misc/es1373.ps.gz
49  * ftp://ftp.alsa-project.org/pub/manuals/asahi_kasei/4531.pdf
50  * ftp://download.intel.com/ial/scalableplatforms/audio/ac97r21.pdf
51  */
52 
53 /*
54  * TODO:
55  * - Remove DAC1 and secondary audio device support.
56  */
57 
58 #include <sys/cdefs.h>
59 __KERNEL_RCSID(0, "$NetBSD: eap.c,v 1.103 2024/05/17 12:20:02 nia Exp $");
60 
61 #include "midi.h"
62 #include "joy_eap.h"
63 
64 #include <sys/param.h>
65 #include <sys/systm.h>
66 #include <sys/kernel.h>
67 #include <sys/fcntl.h>
68 #include <sys/kmem.h>
69 #include <sys/device.h>
70 #include <sys/proc.h>
71 #include <sys/select.h>
72 #include <sys/mutex.h>
73 #include <sys/bus.h>
74 #include <sys/audioio.h>
75 
76 #include <dev/audio/audio_if.h>
77 #include <dev/midi_if.h>
78 
79 #include <dev/pci/pcidevs.h>
80 #include <dev/pci/eapreg.h>
81 #include <dev/pci/eapvar.h>
82 
83 #define   PCI_CBIO            0x10
84 
85 /* Debug */
86 #ifdef AUDIO_DEBUG
87 #define DPRINTF(x)  if (eapdebug) printf x
88 #define DPRINTFN(n,x)         if (eapdebug>(n)) printf x
89 int       eapdebug = 0;
90 #else
91 #define DPRINTF(x)
92 #define DPRINTFN(n,x)
93 #endif
94 
95 static int          eap_match(device_t, cfdata_t, void *);
96 static void         eap_attach(device_t, device_t, void *);
97 static int          eap_detach(device_t, int);
98 static int          eap_intr(void *);
99 
100 static int          eap_allocmem(struct eap_softc *, size_t, size_t,
101                                    struct eap_dma *);
102 static int          eap_freemem(struct eap_softc *, struct eap_dma *);
103 
104 #define EWRITE1(sc, r, x) bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x))
105 #define EWRITE2(sc, r, x) bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x))
106 #define EWRITE4(sc, r, x) bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x))
107 #define EREAD1(sc, r) bus_space_read_1((sc)->iot, (sc)->ioh, (r))
108 #define EREAD2(sc, r) bus_space_read_2((sc)->iot, (sc)->ioh, (r))
109 #define EREAD4(sc, r) bus_space_read_4((sc)->iot, (sc)->ioh, (r))
110 
111 CFATTACH_DECL_NEW(eap, sizeof(struct eap_softc),
112     eap_match, eap_attach, eap_detach, NULL);
113 
114 static int          eap_open(void *, int);
115 static int          eap_query_format(void *, struct audio_format_query *);
116 static int          eap_set_format(void *, int,
117                                      const audio_params_t *, const audio_params_t *,
118                                      audio_filter_reg_t *, audio_filter_reg_t *);
119 static int          eap_trigger_output(void *, void *, void *, int,
120                                            void (*)(void *), void *,
121                                            const audio_params_t *);
122 static int          eap_trigger_input(void *, void *, void *, int,
123                                           void (*)(void *), void *,
124                                           const audio_params_t *);
125 static int          eap_halt_output(void *);
126 static int          eap_halt_input(void *);
127 static void         eap1370_write_codec(struct eap_softc *, int, int);
128 static int          eap_getdev(void *, struct audio_device *);
129 static int          eap1370_mixer_set_port(void *, mixer_ctrl_t *);
130 static int          eap1370_mixer_get_port(void *, mixer_ctrl_t *);
131 static int          eap1371_mixer_set_port(void *, mixer_ctrl_t *);
132 static int          eap1371_mixer_get_port(void *, mixer_ctrl_t *);
133 static int          eap1370_query_devinfo(void *, mixer_devinfo_t *);
134 static void         *eap_malloc(void *, int, size_t);
135 static void         eap_free(void *, void *, size_t);
136 static int          eap_get_props(void *);
137 static void         eap1370_set_mixer(struct eap_softc *, int, int);
138 static uint32_t eap1371_src_wait(struct eap_softc *);
139 static void         eap1371_set_adc_rate(struct eap_softc *, int);
140 static void         eap1371_set_dac_rate(struct eap_instance *, int);
141 static int          eap1371_src_read(struct eap_softc *, u_int);
142 static void         eap1371_src_write(struct eap_softc *, u_int, int);
143 static int          eap1371_query_devinfo(void *, mixer_devinfo_t *);
144 
145 static int          eap1371_attach_codec(void *, struct ac97_codec_if *);
146 static int          eap1371_read_codec(void *, uint8_t, uint16_t *);
147 static int          eap1371_write_codec(void *, uint8_t, uint16_t );
148 static int          eap1371_reset_codec(void *);
149 static void         eap_get_locks(void *, kmutex_t **, kmutex_t **);
150 
151 #if NMIDI > 0
152 static void         eap_midi_close(void *);
153 static void         eap_midi_getinfo(void *, struct midi_info *);
154 static int          eap_midi_open(void *, int, void (*)(void *, int),
155                                     void (*)(void *), void *);
156 static int          eap_midi_output(void *, int);
157 static void         eap_uart_txrdy(struct eap_softc *);
158 #endif
159 
160 static const struct audio_hw_if eap1370_hw_if = {
161           .open                         = eap_open,
162           .query_format                 = eap_query_format,
163           .set_format                   = eap_set_format,
164           .halt_output                  = eap_halt_output,
165           .halt_input                   = eap_halt_input,
166           .getdev                       = eap_getdev,
167           .set_port           = eap1370_mixer_set_port,
168           .get_port           = eap1370_mixer_get_port,
169           .query_devinfo                = eap1370_query_devinfo,
170           .allocm                       = eap_malloc,
171           .freem                        = eap_free,
172           .get_props                    = eap_get_props,
173           .trigger_output               = eap_trigger_output,
174           .trigger_input                = eap_trigger_input,
175           .get_locks                    = eap_get_locks,
176 };
177 
178 static const struct audio_hw_if eap1371_hw_if = {
179           .open                         = eap_open,
180           .query_format                 = eap_query_format,
181           .set_format                   = eap_set_format,
182           .halt_output                  = eap_halt_output,
183           .halt_input                   = eap_halt_input,
184           .getdev                       = eap_getdev,
185           .set_port           = eap1371_mixer_set_port,
186           .get_port           = eap1371_mixer_get_port,
187           .query_devinfo                = eap1371_query_devinfo,
188           .allocm                       = eap_malloc,
189           .freem                        = eap_free,
190           .get_props                    = eap_get_props,
191           .trigger_output               = eap_trigger_output,
192           .trigger_input                = eap_trigger_input,
193           .get_locks                    = eap_get_locks,
194 };
195 
196 #if NMIDI > 0
197 static const struct midi_hw_if eap_midi_hw_if = {
198           eap_midi_open,
199           eap_midi_close,
200           eap_midi_output,
201           eap_midi_getinfo,
202           0,                                      /* ioctl */
203           eap_get_locks,
204 };
205 #endif
206 
207 static struct audio_device eap_device = {
208           "Ensoniq AudioPCI",
209           "",
210           "eap"
211 };
212 
213 static const struct audio_format eap_formats[] = {
214           {
215                     .mode               = AUMODE_PLAY | AUMODE_RECORD,
216                     .encoding = AUDIO_ENCODING_SLINEAR_LE,
217                     .validbits          = 16,
218                     .precision          = 16,
219                     .channels = 2,
220                     .channel_mask       = AUFMT_STEREO,
221                     .frequency_type     = 0,
222                     .frequency          = { 4000, 48000 },
223           },
224           {
225                     .mode               = AUMODE_PLAY | AUMODE_RECORD,
226                     .encoding = AUDIO_ENCODING_SLINEAR_LE,
227                     .validbits          = 16,
228                     .precision          = 16,
229                     .channels = 1,
230                     .channel_mask       = AUFMT_MONAURAL,
231                     .frequency_type     = 0,
232                     .frequency          = { 4000, 48000 },
233           },
234           {
235                     .mode               = AUMODE_PLAY | AUMODE_RECORD,
236                     .encoding = AUDIO_ENCODING_ULINEAR_LE,
237                     .validbits          = 8,
238                     .precision          = 8,
239                     .channels = 2,
240                     .channel_mask       = AUFMT_STEREO,
241                     .frequency_type     = 0,
242                     .frequency          = { 4000, 48000 },
243           },
244           {
245                     .mode               = AUMODE_PLAY | AUMODE_RECORD,
246                     .encoding = AUDIO_ENCODING_ULINEAR_LE,
247                     .validbits          = 8,
248                     .precision          = 8,
249                     .channels = 1,
250                     .channel_mask       = AUFMT_MONAURAL,
251                     .frequency_type     = 0,
252                     .frequency          = { 4000, 48000 },
253           }
254 };
255 #define EAP_NFORMATS          __arraycount(eap_formats)
256 
257 static int
eap_match(device_t parent,cfdata_t match,void * aux)258 eap_match(device_t parent, cfdata_t match, void *aux)
259 {
260           struct pci_attach_args *pa;
261 
262           pa = (struct pci_attach_args *)aux;
263           switch (PCI_VENDOR(pa->pa_id)) {
264           case PCI_VENDOR_CREATIVELABS:
265                     switch (PCI_PRODUCT(pa->pa_id)) {
266                     case PCI_PRODUCT_CREATIVELABS_EV1938:
267                               return 1;
268                     }
269                     break;
270           case PCI_VENDOR_ENSONIQ:
271                     switch (PCI_PRODUCT(pa->pa_id)) {
272                     case PCI_PRODUCT_ENSONIQ_AUDIOPCI:
273                     case PCI_PRODUCT_ENSONIQ_AUDIOPCI97:
274                     case PCI_PRODUCT_ENSONIQ_CT5880:
275                               return 1;
276                     }
277                     break;
278           }
279 
280           return 0;
281 }
282 
283 static void
eap1370_write_codec(struct eap_softc * sc,int a,int d)284 eap1370_write_codec(struct eap_softc *sc, int a, int d)
285 {
286           int icss, to;
287 
288           to = EAP_WRITE_TIMEOUT;
289           do {
290                     icss = EREAD4(sc, EAP_ICSS);
291                     DPRINTFN(5,("eap: codec %d prog: icss=0x%08x\n", a, icss));
292                     if (!to--) {
293                               printf("eap: timeout writing to codec\n");
294                               return;
295                     }
296           } while(icss & EAP_CWRIP);  /* XXX could use CSTAT here */
297           EWRITE4(sc, EAP_CODEC, EAP_SET_CODEC(a, d));
298 }
299 
300 /*
301  * Reading and writing the CODEC is very convoluted.  This mimics the
302  * FreeBSD and Linux drivers.
303  */
304 
305 static inline void
eap1371_ready_codec(struct eap_softc * sc,uint8_t a,uint32_t wd)306 eap1371_ready_codec(struct eap_softc *sc, uint8_t a, uint32_t wd)
307 {
308           int to;
309           uint32_t src, t;
310 
311           for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
312                     if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
313                               break;
314                     delay(1);
315           }
316           if (to >= EAP_WRITE_TIMEOUT)
317                     aprint_error_dev(sc->sc_dev,
318                         "eap1371_ready_codec timeout 1\n");
319 
320           mutex_spin_enter(&sc->sc_intr_lock);
321           src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
322           EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
323 
324           for (to = 0; to < EAP_READ_TIMEOUT; to++) {
325                     t = EREAD4(sc, E1371_SRC);
326                     if ((t & E1371_SRC_STATE_MASK) == 0)
327                               break;
328                     delay(1);
329           }
330           if (to >= EAP_READ_TIMEOUT)
331                     aprint_error_dev(sc->sc_dev,
332                         "eap1371_ready_codec timeout 2\n");
333 
334           for (to = 0; to < EAP_READ_TIMEOUT; to++) {
335                     t = EREAD4(sc, E1371_SRC);
336                     if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
337                               break;
338                     delay(1);
339           }
340           if (to >= EAP_READ_TIMEOUT)
341                     aprint_error_dev(sc->sc_dev,
342                         "eap1371_ready_codec timeout 3\n");
343 
344           EWRITE4(sc, E1371_CODEC, wd);
345 
346           eap1371_src_wait(sc);
347           EWRITE4(sc, E1371_SRC, src);
348 
349           mutex_spin_exit(&sc->sc_intr_lock);
350 }
351 
352 static int
eap1371_read_codec(void * sc_,uint8_t a,uint16_t * d)353 eap1371_read_codec(void *sc_, uint8_t a, uint16_t *d)
354 {
355           struct eap_softc *sc;
356           int to;
357           uint32_t t;
358 
359           sc = sc_;
360           eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, 0) | E1371_CODEC_READ);
361 
362           for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
363                     if (!(EREAD4(sc, E1371_CODEC) & E1371_CODEC_WIP))
364                               break;
365           }
366           if (to > EAP_WRITE_TIMEOUT)
367                     aprint_error_dev(sc->sc_dev,
368                         "eap1371_read_codec timeout 1\n");
369 
370           for (to = 0; to < EAP_WRITE_TIMEOUT; to++) {
371                     t = EREAD4(sc, E1371_CODEC);
372                     if (t & E1371_CODEC_VALID)
373                               break;
374           }
375           if (to > EAP_WRITE_TIMEOUT)
376                     aprint_error_dev(sc->sc_dev, "eap1371_read_codec timeout 2\n");
377 
378           *d = (uint16_t)t;
379 
380           DPRINTFN(10, ("eap1371: reading codec (%x) = %x\n", a, *d));
381 
382           return 0;
383 }
384 
385 static int
eap1371_write_codec(void * sc_,uint8_t a,uint16_t d)386 eap1371_write_codec(void *sc_, uint8_t a, uint16_t d)
387 {
388           struct eap_softc *sc;
389 
390           sc = sc_;
391           eap1371_ready_codec(sc, a, E1371_SET_CODEC(a, d));
392 
393           DPRINTFN(10, ("eap1371: writing codec %x --> %x\n", d, a));
394 
395           return 0;
396 }
397 
398 static uint32_t
eap1371_src_wait(struct eap_softc * sc)399 eap1371_src_wait(struct eap_softc *sc)
400 {
401           int to;
402           u_int32_t src;
403 
404           for (to = 0; to < EAP_READ_TIMEOUT; to++) {
405                     src = EREAD4(sc, E1371_SRC);
406                     if (!(src & E1371_SRC_RBUSY))
407                               return src;
408                     delay(1);
409           }
410           aprint_error_dev(sc->sc_dev, "eap1371_src_wait timeout\n");
411           return src;
412 }
413 
414 static int
eap1371_src_read(struct eap_softc * sc,u_int a)415 eap1371_src_read(struct eap_softc *sc, u_int a)
416 {
417           int to;
418           uint32_t src, t;
419 
420           src = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
421           src |= E1371_SRC_ADDR(a);
422           EWRITE4(sc, E1371_SRC, src | E1371_SRC_STATE_OK);
423 
424           t = eap1371_src_wait(sc);
425           if ((t & E1371_SRC_STATE_MASK) != E1371_SRC_STATE_OK) {
426                     for (to = 0; to < EAP_READ_TIMEOUT; to++) {
427                               t = EREAD4(sc, E1371_SRC);
428                               if ((t & E1371_SRC_STATE_MASK) == E1371_SRC_STATE_OK)
429                                         break;
430                               delay(1);
431                     }
432           }
433 
434           EWRITE4(sc, E1371_SRC, src);
435 
436           return t & E1371_SRC_DATAMASK;
437 }
438 
439 static void
eap1371_src_write(struct eap_softc * sc,u_int a,int d)440 eap1371_src_write(struct eap_softc *sc, u_int a, int d)
441 {
442           uint32_t r;
443 
444           r = eap1371_src_wait(sc) & E1371_SRC_CTLMASK;
445           r |= E1371_SRC_RAMWE | E1371_SRC_ADDR(a) | E1371_SRC_DATA(d);
446           EWRITE4(sc, E1371_SRC, r);
447 }
448 
449 static void
eap1371_set_adc_rate(struct eap_softc * sc,int rate)450 eap1371_set_adc_rate(struct eap_softc *sc, int rate)
451 {
452           int freq, n, truncm;
453           int out;
454 
455           /* Whatever, it works, so I'll leave it :) */
456 
457           if (rate > 48000)
458                     rate = 48000;
459           if (rate < 4000)
460                     rate = 4000;
461           n = rate / 3000;
462           if ((1 << n) & SRC_MAGIC)
463                     n--;
464           truncm = ((21 * n) - 1) | 1;
465           freq = ((48000 << 15) / rate) * n;
466           if (rate >= 24000) {
467                     if (truncm > 239)
468                               truncm = 239;
469                     out = ESRC_SET_TRUNC((239 - truncm) / 2);
470           } else {
471                     if (truncm > 119)
472                               truncm = 119;
473                     out = ESRC_SMF | ESRC_SET_TRUNC((119 - truncm) / 2);
474           }
475           out |= ESRC_SET_N(n);
476           mutex_spin_enter(&sc->sc_intr_lock);
477           eap1371_src_write(sc, ESRC_ADC+ESRC_TRUNC_N, out);
478 
479           out = eap1371_src_read(sc, ESRC_ADC+ESRC_IREGS) & 0xff;
480           eap1371_src_write(sc, ESRC_ADC+ESRC_IREGS, out |
481                                 ESRC_SET_VFI(freq >> 15));
482           eap1371_src_write(sc, ESRC_ADC+ESRC_VFF, freq & 0x7fff);
483           eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(n));
484           eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(n));
485           mutex_spin_exit(&sc->sc_intr_lock);
486 }
487 
488 static void
eap1371_set_dac_rate(struct eap_instance * ei,int rate)489 eap1371_set_dac_rate(struct eap_instance *ei, int rate)
490 {
491           struct eap_softc *sc;
492           int dac;
493           int freq, r;
494 
495           DPRINTFN(2, ("eap1371_set_dac_date: set rate for %d\n", ei->index));
496           sc = device_private(ei->parent);
497           dac = ei->index == EAP_DAC1 ? ESRC_DAC1 : ESRC_DAC2;
498 
499           /* Whatever, it works, so I'll leave it :) */
500 
501           if (rate > 48000)
502               rate = 48000;
503           if (rate < 4000)
504               rate = 4000;
505           freq = ((rate << 15) + 1500) / 3000;
506 
507           mutex_spin_enter(&sc->sc_intr_lock);
508           eap1371_src_wait(sc);
509           r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
510               E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
511           r |= ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2;
512           EWRITE4(sc, E1371_SRC, r);
513           r = eap1371_src_read(sc, dac + ESRC_IREGS) & 0x00ff;
514           eap1371_src_write(sc, dac + ESRC_IREGS, r | ((freq >> 5) & 0xfc00));
515           eap1371_src_write(sc, dac + ESRC_VFF, freq & 0x7fff);
516           r = EREAD4(sc, E1371_SRC) & (E1371_SRC_DISABLE |
517               E1371_SRC_DISP2 | E1371_SRC_DISP1 | E1371_SRC_DISREC);
518           r &= ~(ei->index == EAP_DAC1 ? E1371_SRC_DISP1 : E1371_SRC_DISP2);
519           EWRITE4(sc, E1371_SRC, r);
520           mutex_spin_exit(&sc->sc_intr_lock);
521 }
522 
523 static void
eap_attach(device_t parent,device_t self,void * aux)524 eap_attach(device_t parent, device_t self, void *aux)
525 {
526           struct eap_softc *sc;
527           struct pci_attach_args *pa;
528           pci_chipset_tag_t pc;
529           const struct audio_hw_if *eap_hw_if;
530           char const *intrstr;
531           pci_intr_handle_t ih;
532           pcireg_t csr;
533           char devinfo[256];
534           mixer_ctrl_t ctl;
535           int i;
536           int revision, ct5880;
537           const char *revstr;
538 #if NJOY_EAP > 0
539           struct eap_gameport_args gpargs;
540 #endif
541           char intrbuf[PCI_INTRSTR_LEN];
542 
543           sc = device_private(self);
544           sc->sc_dev = self;
545           pa = (struct pci_attach_args *)aux;
546           pc = pa->pa_pc;
547           revstr = "";
548           aprint_naive(": Audio controller\n");
549 
550           mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
551           mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
552 
553           /* Stash this away for detach */
554           sc->sc_pc = pc;
555 
556           /* Flag if we're "creative" */
557           sc->sc_1371 = !(PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
558                               PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_AUDIOPCI);
559 
560           /*
561            * The vendor and product ID's are quite "interesting". Just
562            * trust the following and be happy.
563            */
564           pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo, sizeof(devinfo));
565           revision = PCI_REVISION(pa->pa_class);
566           ct5880 = 0;
567           if (sc->sc_1371) {
568                     if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ENSONIQ &&
569                         PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ENSONIQ_CT5880) {
570                               ct5880 = 1;
571                               switch (revision) {
572                               case EAP_CT5880_C: revstr = "CT5880-C "; break;
573                               case EAP_CT5880_D: revstr = "CT5880-D "; break;
574                               case EAP_CT5880_E: revstr = "CT5880-E "; break;
575                               }
576                     } else {
577                               switch (revision) {
578                               case EAP_EV1938_A: revstr = "EV1938-A "; break;
579                               case EAP_ES1373_A: revstr = "ES1373-A "; break;
580                               case EAP_ES1373_B: revstr = "ES1373-B "; break;
581                               case EAP_CT5880_A: revstr = "CT5880-A "; ct5880=1;break;
582                               case EAP_ES1373_8: revstr = "ES1373-8" ; ct5880=1;break;
583                               case EAP_ES1371_B: revstr = "ES1371-B "; break;
584                               }
585                     }
586           }
587           aprint_normal(": %s %s(rev. 0x%02x)\n", devinfo, revstr, revision);
588 
589           /* Map I/O register */
590           if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
591                 &sc->iot, &sc->ioh, NULL, &sc->iosz)) {
592                     aprint_error_dev(sc->sc_dev, "can't map i/o space\n");
593                     return;
594           }
595 
596           sc->sc_dmatag = pa->pa_dmat;
597 
598           /* Enable the device. */
599           csr = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
600           pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
601                            csr | PCI_COMMAND_MASTER_ENABLE);
602 
603           /* Map and establish the interrupt. */
604           if (pci_intr_map(pa, &ih)) {
605                     aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
606                     return;
607           }
608           intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
609           sc->sc_ih = pci_intr_establish_xname(pc, ih, IPL_AUDIO, eap_intr, sc,
610               device_xname(self));
611           if (sc->sc_ih == NULL) {
612                     aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
613                     if (intrstr != NULL)
614                               aprint_error(" at %s", intrstr);
615                     aprint_error("\n");
616                     return;
617           }
618           aprint_normal_dev(self, "interrupting at %s\n", intrstr);
619 
620           sc->sc_ei[EAP_I1].parent = self;
621           sc->sc_ei[EAP_I1].index = EAP_DAC2;
622           sc->sc_ei[EAP_I2].parent = self;
623           sc->sc_ei[EAP_I2].index = EAP_DAC1;
624 
625           if (!sc->sc_1371) {
626                     /* Enable interrupts and looping mode. */
627                     /* enable the parts we need */
628                     EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
629                     EWRITE4(sc, EAP_ICSC, EAP_CDC_EN);
630 
631                     /* reset codec */
632                     /* normal operation */
633                     /* select codec clocks */
634                     eap1370_write_codec(sc, AK_RESET, AK_PD);
635                     eap1370_write_codec(sc, AK_RESET, AK_PD | AK_NRST);
636                     eap1370_write_codec(sc, AK_CS, 0x0);
637 
638                     eap_hw_if = &eap1370_hw_if;
639 
640                     /* Enable all relevant mixer switches. */
641                     ctl.dev = EAP_INPUT_SOURCE;
642                     ctl.type = AUDIO_MIXER_SET;
643                     ctl.un.mask = 1 << EAP_VOICE_VOL | 1 << EAP_FM_VOL |
644                               1 << EAP_CD_VOL | 1 << EAP_LINE_VOL |
645                               1 << EAP_AUX_VOL | 1 << EAP_MIC_VOL;
646                     eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
647 
648                     ctl.type = AUDIO_MIXER_VALUE;
649                     ctl.un.value.num_channels = 1;
650                     for (ctl.dev = EAP_MASTER_VOL; ctl.dev < EAP_MIC_VOL;
651                          ctl.dev++) {
652                               ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = VOL_0DB;
653                               eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
654                     }
655                     ctl.un.value.level[AUDIO_MIXER_LEVEL_MONO] = 0;
656                     eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
657                     ctl.dev = EAP_MIC_PREAMP;
658                     ctl.type = AUDIO_MIXER_ENUM;
659                     ctl.un.ord = 0;
660                     eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
661                     ctl.dev = EAP_RECORD_SOURCE;
662                     ctl.type = AUDIO_MIXER_SET;
663                     ctl.un.mask = 1 << EAP_MIC_VOL;
664                     eap_hw_if->set_port(&sc->sc_ei[EAP_I1], &ctl);
665           } else {
666                     /* clean slate */
667 
668                     EWRITE4(sc, EAP_SIC, 0);
669                     EWRITE4(sc, EAP_ICSC, 0);
670                     EWRITE4(sc, E1371_LEGACY, 0);
671 
672                     if (ct5880) {
673                               EWRITE4(sc, EAP_ICSS, EAP_CT5880_AC97_RESET);
674                               /* Let codec wake up */
675                               delay(20000);
676                     }
677 
678                     /* Reset from es1371's perspective */
679                     EWRITE4(sc, EAP_ICSC, E1371_SYNC_RES);
680                     delay(20);
681                     EWRITE4(sc, EAP_ICSC, 0);
682 
683                     /*
684                      * Must properly reprogram sample rate converter,
685                      * or it locks up.  Set some defaults for the life of the
686                      * machine, and set up a sb default sample rate.
687                      */
688                     EWRITE4(sc, E1371_SRC, E1371_SRC_DISABLE);
689                     for (i = 0; i < 0x80; i++)
690                               eap1371_src_write(sc, i, 0);
691                     eap1371_src_write(sc, ESRC_DAC1+ESRC_TRUNC_N, ESRC_SET_N(16));
692                     eap1371_src_write(sc, ESRC_DAC2+ESRC_TRUNC_N, ESRC_SET_N(16));
693                     eap1371_src_write(sc, ESRC_DAC1+ESRC_IREGS, ESRC_SET_VFI(16));
694                     eap1371_src_write(sc, ESRC_DAC2+ESRC_IREGS, ESRC_SET_VFI(16));
695                     eap1371_src_write(sc, ESRC_ADC_VOLL, ESRC_SET_ADC_VOL(16));
696                     eap1371_src_write(sc, ESRC_ADC_VOLR, ESRC_SET_ADC_VOL(16));
697                     eap1371_src_write(sc, ESRC_DAC1_VOLL, ESRC_SET_DAC_VOLI(1));
698                     eap1371_src_write(sc, ESRC_DAC1_VOLR, ESRC_SET_DAC_VOLI(1));
699                     eap1371_src_write(sc, ESRC_DAC2_VOLL, ESRC_SET_DAC_VOLI(1));
700                     eap1371_src_write(sc, ESRC_DAC2_VOLR, ESRC_SET_DAC_VOLI(1));
701                     eap1371_set_adc_rate(sc, 22050);
702                     eap1371_set_dac_rate(&sc->sc_ei[0], 22050);
703                     eap1371_set_dac_rate(&sc->sc_ei[1], 22050);
704 
705                     EWRITE4(sc, E1371_SRC, 0);
706 
707                     /* Reset codec */
708 
709                     /* Interrupt enable */
710                     sc->host_if.arg = sc;
711                     sc->host_if.attach = eap1371_attach_codec;
712                     sc->host_if.read = eap1371_read_codec;
713                     sc->host_if.write = eap1371_write_codec;
714                     sc->host_if.reset = eap1371_reset_codec;
715 
716                     if (ac97_attach(&sc->host_if, self, &sc->sc_lock) == 0) {
717                               /* Interrupt enable */
718                               EWRITE4(sc, EAP_SIC, EAP_P2_INTR_EN | EAP_R1_INTR_EN);
719                     } else
720                               return;
721 
722                     eap_hw_if = &eap1371_hw_if;
723           }
724 
725           sc->sc_ei[EAP_I1].ei_audiodev =
726               audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I1], sc->sc_dev);
727 
728 #ifdef EAP_USE_BOTH_DACS
729           aprint_normal_dev(self, "attaching secondary DAC\n");
730           sc->sc_ei[EAP_I2].ei_audiodev =
731               audio_attach_mi(eap_hw_if, &sc->sc_ei[EAP_I2], sc->sc_dev);
732 #endif
733 
734 #if NMIDI > 0
735           sc->sc_mididev = midi_attach_mi(&eap_midi_hw_if, sc, sc->sc_dev);
736 #endif
737 
738 #if NJOY_EAP > 0
739           if (sc->sc_1371) {
740                     gpargs.gpa_iot = sc->iot;
741                     gpargs.gpa_ioh = sc->ioh;
742                     sc->sc_gameport = eap_joy_attach(sc->sc_dev, &gpargs);
743           }
744 #endif
745 }
746 
747 static int
eap_detach(device_t self,int flags)748 eap_detach(device_t self, int flags)
749 {
750           struct eap_softc *sc;
751           int res;
752 #if NJOY_EAP > 0
753           struct eap_gameport_args gpargs;
754 
755           sc = device_private(self);
756           if (sc->sc_gameport) {
757                     gpargs.gpa_iot = sc->iot;
758                     gpargs.gpa_ioh = sc->ioh;
759                     res = eap_joy_detach(sc->sc_gameport, &gpargs);
760                     if (res)
761                               return res;
762           }
763 #else
764           sc = device_private(self);
765 #endif
766 #if NMIDI > 0
767           if (sc->sc_mididev != NULL) {
768                     res = config_detach(sc->sc_mididev, 0);
769                     if (res)
770                               return res;
771           }
772 #endif
773 #ifdef EAP_USE_BOTH_DACS
774           if (sc->sc_ei[EAP_I2].ei_audiodev != NULL) {
775                     res = config_detach(sc->sc_ei[EAP_I2].ei_audiodev, 0);
776                     if (res)
777                               return res;
778           }
779 #endif
780           if (sc->sc_ei[EAP_I1].ei_audiodev != NULL) {
781                     res = config_detach(sc->sc_ei[EAP_I1].ei_audiodev, 0);
782                     if (res)
783                               return res;
784           }
785 
786           bus_space_unmap(sc->iot, sc->ioh, sc->iosz);
787           pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
788           mutex_destroy(&sc->sc_lock);
789           mutex_destroy(&sc->sc_intr_lock);
790 
791           return 0;
792 }
793 
794 static int
eap1371_attach_codec(void * sc_,struct ac97_codec_if * codec_if)795 eap1371_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
796 {
797           struct eap_softc *sc;
798 
799           sc = sc_;
800           sc->codec_if = codec_if;
801           return 0;
802 }
803 
804 static int
eap1371_reset_codec(void * sc_)805 eap1371_reset_codec(void *sc_)
806 {
807           struct eap_softc *sc;
808           uint32_t icsc;
809 
810           sc = sc_;
811           mutex_spin_enter(&sc->sc_intr_lock);
812           icsc = EREAD4(sc, EAP_ICSC);
813           EWRITE4(sc, EAP_ICSC, icsc | E1371_SYNC_RES);
814           delay(20);
815           EWRITE4(sc, EAP_ICSC, icsc & ~E1371_SYNC_RES);
816           delay(1);
817           mutex_spin_exit(&sc->sc_intr_lock);
818 
819           return 0;
820 }
821 
822 static int
eap_intr(void * p)823 eap_intr(void *p)
824 {
825           struct eap_softc *sc;
826           uint32_t intr, sic;
827 
828           sc = p;
829           mutex_spin_enter(&sc->sc_intr_lock);
830           intr = EREAD4(sc, EAP_ICSS);
831           if (!(intr & EAP_INTR)) {
832                     mutex_spin_exit(&sc->sc_intr_lock);
833                     return 0;
834           }
835           sic = EREAD4(sc, EAP_SIC);
836           DPRINTFN(5, ("eap_intr: ICSS=0x%08x, SIC=0x%08x\n", intr, sic));
837           if (intr & EAP_I_ADC) {
838 #if 0
839                     /*
840                      * XXX This is a hack!
841                      * The EAP chip sometimes generates the recording interrupt
842                      * while it is still transferring the data.  To make sure
843                      * it has all arrived we busy wait until the count is right.
844                      * The transfer we are waiting for is 8 longwords.
845                      */
846                     int s, nw, n;
847                     EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
848                     s = EREAD4(sc, EAP_ADC_CSR);
849                     nw = ((s & 0xffff) + 1) >> 2; /* # of words in DMA */
850                     n = 0;
851                     while (((EREAD4(sc, EAP_ADC_SIZE) >> 16) + 8) % nw == 0) {
852                               delay(10);
853                               if (++n > 100) {
854                                         printf("eapintr: DMA fix timeout");
855                                         break;
856                               }
857                     }
858                     /* Continue with normal interrupt handling. */
859 #endif
860                     EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
861                     EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
862                     if (sc->sc_rintr)
863                               sc->sc_rintr(sc->sc_rarg);
864           }
865 
866           if (intr & EAP_I_DAC2) {
867                     EWRITE4(sc, EAP_SIC, sic & ~EAP_P2_INTR_EN);
868                     EWRITE4(sc, EAP_SIC, sic | EAP_P2_INTR_EN);
869                     if (sc->sc_ei[EAP_DAC2].ei_pintr)
870                               sc->sc_ei[EAP_DAC2].ei_pintr(sc->sc_ei[EAP_DAC2].ei_parg);
871           }
872 
873           if (intr & EAP_I_DAC1) {
874                     EWRITE4(sc, EAP_SIC, sic & ~EAP_P1_INTR_EN);
875                     EWRITE4(sc, EAP_SIC, sic | EAP_P1_INTR_EN);
876                     if (sc->sc_ei[EAP_DAC1].ei_pintr)
877                               sc->sc_ei[EAP_DAC1].ei_pintr(sc->sc_ei[EAP_DAC1].ei_parg);
878           }
879 
880           if (intr & EAP_I_MCCB)
881                     panic("eap_intr: unexpected MCCB interrupt");
882 #if NMIDI > 0
883           if (intr & EAP_I_UART) {
884                     uint8_t ustat;
885                     uint32_t data;
886 
887                     ustat = EREAD1(sc, EAP_UART_STATUS);
888 
889                     if (ustat & EAP_US_RXINT) {
890                               while (EREAD1(sc, EAP_UART_STATUS) & EAP_US_RXRDY) {
891                                         data = EREAD1(sc, EAP_UART_DATA);
892                                         sc->sc_iintr(sc->sc_arg, data);
893                               }
894                     }
895 
896                     if (ustat & EAP_US_TXINT)
897                               eap_uart_txrdy(sc);
898           }
899 #endif
900           mutex_spin_exit(&sc->sc_intr_lock);
901           return 1;
902 }
903 
904 static int
eap_allocmem(struct eap_softc * sc,size_t size,size_t align,struct eap_dma * p)905 eap_allocmem(struct eap_softc *sc, size_t size, size_t align, struct eap_dma *p)
906 {
907           int error;
908 
909           p->size = size;
910           error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
911                                          p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
912                                          &p->nsegs, BUS_DMA_WAITOK);
913           if (error)
914                     return error;
915 
916           error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
917                                      &p->addr, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
918           if (error)
919                     goto free;
920 
921           error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
922                                           0, BUS_DMA_WAITOK, &p->map);
923           if (error)
924                     goto unmap;
925 
926           error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
927                                         BUS_DMA_WAITOK);
928           if (error)
929                     goto destroy;
930           return (0);
931 
932 destroy:
933           bus_dmamap_destroy(sc->sc_dmatag, p->map);
934 unmap:
935           bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
936 free:
937           bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
938           return error;
939 }
940 
941 static int
eap_freemem(struct eap_softc * sc,struct eap_dma * p)942 eap_freemem(struct eap_softc *sc, struct eap_dma *p)
943 {
944 
945           bus_dmamap_unload(sc->sc_dmatag, p->map);
946           bus_dmamap_destroy(sc->sc_dmatag, p->map);
947           bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
948           bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
949           return 0;
950 }
951 
952 static int
eap_open(void * addr,int flags)953 eap_open(void *addr, int flags)
954 {
955           struct eap_instance *ei;
956 
957           ei = addr;
958           /* there is only one ADC */
959           if (ei->index == EAP_I2 && flags & FREAD)
960                     return EOPNOTSUPP;
961 
962           return 0;
963 }
964 
965 static int
eap_query_format(void * addr,struct audio_format_query * afp)966 eap_query_format(void *addr, struct audio_format_query *afp)
967 {
968 
969           return audio_query_format(eap_formats, EAP_NFORMATS, afp);
970 }
971 
972 static int
eap_set_format(void * addr,int setmode,const audio_params_t * play,const audio_params_t * rec,audio_filter_reg_t * pfil,audio_filter_reg_t * rfil)973 eap_set_format(void *addr, int setmode,
974                  const audio_params_t *play, const audio_params_t *rec,
975                  audio_filter_reg_t *pfil, audio_filter_reg_t *rfil)
976 {
977           struct eap_instance *ei;
978           struct eap_softc *sc;
979           uint32_t div;
980 
981           ei = addr;
982           sc = device_private(ei->parent);
983 
984           if (sc->sc_1371) {
985                     eap1371_set_dac_rate(ei, play->sample_rate);
986                     eap1371_set_adc_rate(sc, rec->sample_rate);
987           } else if (ei->index == EAP_DAC2) {
988                     /* Set the speed */
989                     DPRINTFN(2, ("%s: old ICSC = 0x%08x\n", __func__,
990                                    EREAD4(sc, EAP_ICSC)));
991                     div = EREAD4(sc, EAP_ICSC) & ~EAP_PCLKBITS;
992                     /*
993                      * *play and *rec are the identical on es1370 because
994                      * !AUDIO_PROP_INDEPENDENT.
995                      */
996 
997                     /*
998                      * XXX
999                      * The -2 isn't documented, but seemed to make the wall
1000                      * time match
1001                      * what I expect.  - mycroft
1002                      */
1003                     div |= EAP_SET_PCLKDIV(EAP_XTAL_FREQ / play->sample_rate - 2);
1004 #if 0
1005                     div |= EAP_CCB_INTRM;
1006 #else
1007                     /*
1008                      * It is not obvious how to acknowledge MCCB interrupts, so
1009                      * we had better not enable them.
1010                      */
1011 #endif
1012                     EWRITE4(sc, EAP_ICSC, div);
1013                     DPRINTFN(2, ("%s: set ICSC = 0x%08x\n", __func__, div));
1014           } else {
1015                     /*
1016                      * The FM DAC has only a few fixed-frequency choises, so
1017                      * pick out the best candidate.
1018                      */
1019                     div = EREAD4(sc, EAP_ICSC);
1020                     DPRINTFN(2, ("%s: old ICSC = 0x%08x\n", __func__, div));
1021 
1022                     div &= ~EAP_WTSRSEL;
1023                     if (play->sample_rate == 5512)
1024                               div |= EAP_WTSRSEL_5;
1025                     else if (play->sample_rate == 11025)
1026                               div |= EAP_WTSRSEL_11;
1027                     else if (play->sample_rate == 22050)
1028                               div |= EAP_WTSRSEL_22;
1029                     else
1030                               div |= EAP_WTSRSEL_44;
1031 
1032                     EWRITE4(sc, EAP_ICSC, div);
1033                     DPRINTFN(2, ("%s: set ICSC = 0x%08x\n", __func__, div));
1034           }
1035 
1036           return 0;
1037 }
1038 
1039 static int
eap_trigger_output(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,const audio_params_t * param)1040 eap_trigger_output(
1041           void *addr,
1042           void *start,
1043           void *end,
1044           int blksize,
1045           void (*intr)(void *),
1046           void *arg,
1047           const audio_params_t *param)
1048 {
1049           struct eap_instance *ei;
1050           struct eap_softc *sc;
1051           struct eap_dma *p;
1052           uint32_t icsc, sic;
1053           int sampshift;
1054 
1055           ei = addr;
1056           sc = device_private(ei->parent);
1057 #ifdef DIAGNOSTIC
1058           if (ei->ei_prun)
1059                     panic("eap_trigger_output: already running");
1060           ei->ei_prun = 1;
1061 #endif
1062 
1063           DPRINTFN(1, ("eap_trigger_output: sc=%p start=%p end=%p "
1064               "blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
1065           ei->ei_pintr = intr;
1066           ei->ei_parg = arg;
1067 
1068           sic = EREAD4(sc, EAP_SIC);
1069           sic &= ~(EAP_S_EB(ei->index) | EAP_S_MB(ei->index) | EAP_INC_BITS);
1070 
1071           if (ei->index == EAP_DAC2)
1072                     sic |= EAP_SET_P2_ST_INC(0)
1073                         | EAP_SET_P2_END_INC(param->precision / 8);
1074 
1075           sampshift = 0;
1076           if (param->precision == 16) {
1077                     sic |= EAP_S_EB(ei->index);
1078                     sampshift++;
1079           }
1080           if (param->channels == 2) {
1081                     sic |= EAP_S_MB(ei->index);
1082                     sampshift++;
1083           }
1084           EWRITE4(sc, EAP_SIC, sic & ~EAP_P_INTR_EN(ei->index));
1085           EWRITE4(sc, EAP_SIC, sic | EAP_P_INTR_EN(ei->index));
1086 
1087           for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1088                     continue;
1089           if (!p) {
1090                     printf("eap_trigger_output: bad addr %p\n", start);
1091                     return EINVAL;
1092           }
1093 
1094           if (ei->index == EAP_DAC2) {
1095                     DPRINTF(("eap_trigger_output: DAC2_ADDR=0x%x, DAC2_SIZE=0x%x\n",
1096                                (int)DMAADDR(p),
1097                                (int)EAP_SET_SIZE(0,
1098                                (((char *)end - (char *)start) >> 2) - 1)));
1099                     EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1100                     EWRITE4(sc, EAP_DAC2_ADDR, DMAADDR(p));
1101                     EWRITE4(sc, EAP_DAC2_SIZE,
1102                               EAP_SET_SIZE(0,
1103                               ((char *)end - (char *)start) >> 2) - 1);
1104                     EWRITE4(sc, EAP_DAC2_CSR, (blksize >> sampshift) - 1);
1105           } else if (ei->index == EAP_DAC1) {
1106                     DPRINTF(("eap_trigger_output: DAC1_ADDR=0x%x, DAC1_SIZE=0x%x\n",
1107                                (int)DMAADDR(p),
1108                                (int)EAP_SET_SIZE(0,
1109                                (((char *)end - (char *)start) >> 2) - 1)));
1110                     EWRITE4(sc, EAP_MEMPAGE, EAP_DAC_PAGE);
1111                     EWRITE4(sc, EAP_DAC1_ADDR, DMAADDR(p));
1112                     EWRITE4(sc, EAP_DAC1_SIZE,
1113                               EAP_SET_SIZE(0,
1114                               ((char *)end - (char *)start) >> 2) - 1);
1115                     EWRITE4(sc, EAP_DAC1_CSR, (blksize >> sampshift) - 1);
1116           }
1117 #ifdef DIAGNOSTIC
1118           else
1119                     panic("eap_trigger_output: impossible instance %d", ei->index);
1120 #endif
1121 
1122           if (sc->sc_1371)
1123                     EWRITE4(sc, E1371_SRC, 0);
1124 
1125           icsc = EREAD4(sc, EAP_ICSC);
1126           icsc |= EAP_DAC_EN(ei->index);
1127           EWRITE4(sc, EAP_ICSC, icsc);
1128 
1129           DPRINTFN(1, ("eap_trigger_output: set ICSC = 0x%08x\n", icsc));
1130 
1131           return 0;
1132 }
1133 
1134 static int
eap_trigger_input(void * addr,void * start,void * end,int blksize,void (* intr)(void *),void * arg,const audio_params_t * param)1135 eap_trigger_input(
1136           void *addr,
1137           void *start,
1138           void *end,
1139           int blksize,
1140           void (*intr)(void *),
1141           void *arg,
1142           const audio_params_t *param)
1143 {
1144           struct eap_instance *ei;
1145           struct eap_softc *sc;
1146           struct eap_dma *p;
1147           uint32_t icsc, sic;
1148           int sampshift;
1149 
1150           ei = addr;
1151           sc = device_private(ei->parent);
1152 #ifdef DIAGNOSTIC
1153           if (sc->sc_rrun)
1154                     panic("eap_trigger_input: already running");
1155           sc->sc_rrun = 1;
1156 #endif
1157 
1158           DPRINTFN(1, ("eap_trigger_input: ei=%p start=%p end=%p blksize=%d intr=%p(%p)\n",
1159               addr, start, end, blksize, intr, arg));
1160           sc->sc_rintr = intr;
1161           sc->sc_rarg = arg;
1162 
1163           sic = EREAD4(sc, EAP_SIC);
1164           sic &= ~(EAP_R1_S_EB | EAP_R1_S_MB);
1165           sampshift = 0;
1166           if (param->precision == 16) {
1167                     sic |= EAP_R1_S_EB;
1168                     sampshift++;
1169           }
1170           if (param->channels == 2) {
1171                     sic |= EAP_R1_S_MB;
1172                     sampshift++;
1173           }
1174           EWRITE4(sc, EAP_SIC, sic & ~EAP_R1_INTR_EN);
1175           EWRITE4(sc, EAP_SIC, sic | EAP_R1_INTR_EN);
1176 
1177           for (p = sc->sc_dmas; p && KERNADDR(p) != start; p = p->next)
1178                     continue;
1179           if (!p) {
1180                     printf("eap_trigger_input: bad addr %p\n", start);
1181                     return (EINVAL);
1182           }
1183 
1184           DPRINTF(("eap_trigger_input: ADC_ADDR=0x%x, ADC_SIZE=0x%x\n",
1185                      (int)DMAADDR(p),
1186                      (int)EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1)));
1187           EWRITE4(sc, EAP_MEMPAGE, EAP_ADC_PAGE);
1188           EWRITE4(sc, EAP_ADC_ADDR, DMAADDR(p));
1189           EWRITE4(sc, EAP_ADC_SIZE,
1190                     EAP_SET_SIZE(0, (((char *)end - (char *)start) >> 2) - 1));
1191 
1192           EWRITE4(sc, EAP_ADC_CSR, (blksize >> sampshift) - 1);
1193 
1194           if (sc->sc_1371)
1195                     EWRITE4(sc, E1371_SRC, 0);
1196 
1197           icsc = EREAD4(sc, EAP_ICSC);
1198           icsc |= EAP_ADC_EN;
1199           EWRITE4(sc, EAP_ICSC, icsc);
1200 
1201           DPRINTFN(1, ("eap_trigger_input: set ICSC = 0x%08x\n", icsc));
1202 
1203           return 0;
1204 }
1205 
1206 static int
eap_halt_output(void * addr)1207 eap_halt_output(void *addr)
1208 {
1209           struct eap_instance *ei;
1210           struct eap_softc *sc;
1211           uint32_t icsc;
1212 
1213           DPRINTF(("eap: eap_halt_output\n"));
1214           ei = addr;
1215           sc = device_private(ei->parent);
1216           icsc = EREAD4(sc, EAP_ICSC);
1217           EWRITE4(sc, EAP_ICSC, icsc & ~(EAP_DAC_EN(ei->index)));
1218           ei->ei_pintr = 0;
1219 #ifdef DIAGNOSTIC
1220           ei->ei_prun = 0;
1221 #endif
1222 
1223           return 0;
1224 }
1225 
1226 static int
eap_halt_input(void * addr)1227 eap_halt_input(void *addr)
1228 {
1229           struct eap_instance *ei;
1230           struct eap_softc *sc;
1231           uint32_t icsc;
1232 
1233 #define EAP_USE_FMDAC_ALSO
1234           DPRINTF(("eap: eap_halt_input\n"));
1235           ei = addr;
1236           sc = device_private(ei->parent);
1237           icsc = EREAD4(sc, EAP_ICSC);
1238           EWRITE4(sc, EAP_ICSC, icsc & ~EAP_ADC_EN);
1239           sc->sc_rintr = 0;
1240 #ifdef DIAGNOSTIC
1241           sc->sc_rrun = 0;
1242 #endif
1243 
1244           return 0;
1245 }
1246 
1247 static int
eap_getdev(void * addr,struct audio_device * retp)1248 eap_getdev(void *addr, struct audio_device *retp)
1249 {
1250 
1251           *retp = eap_device;
1252           return 0;
1253 }
1254 
1255 static int
eap1371_mixer_set_port(void * addr,mixer_ctrl_t * cp)1256 eap1371_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1257 {
1258           struct eap_instance *ei;
1259           struct eap_softc *sc;
1260 
1261           ei = addr;
1262           sc = device_private(ei->parent);
1263           return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp);
1264 }
1265 
1266 static int
eap1371_mixer_get_port(void * addr,mixer_ctrl_t * cp)1267 eap1371_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1268 {
1269           struct eap_instance *ei;
1270           struct eap_softc *sc;
1271 
1272           ei = addr;
1273           sc = device_private(ei->parent);
1274           return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp);
1275 }
1276 
1277 static int
eap1371_query_devinfo(void * addr,mixer_devinfo_t * dip)1278 eap1371_query_devinfo(void *addr, mixer_devinfo_t *dip)
1279 {
1280           struct eap_instance *ei;
1281           struct eap_softc *sc;
1282 
1283           ei = addr;
1284           sc = device_private(ei->parent);
1285           return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip);
1286 }
1287 
1288 static void
eap1370_set_mixer(struct eap_softc * sc,int a,int d)1289 eap1370_set_mixer(struct eap_softc *sc, int a, int d)
1290 {
1291           eap1370_write_codec(sc, a, d);
1292 
1293           sc->sc_port[a] = d;
1294           DPRINTFN(1, ("eap1370_mixer_set_port port 0x%02x = 0x%02x\n", a, d));
1295 }
1296 
1297 static int
eap1370_mixer_set_port(void * addr,mixer_ctrl_t * cp)1298 eap1370_mixer_set_port(void *addr, mixer_ctrl_t *cp)
1299 {
1300           struct eap_instance *ei;
1301           struct eap_softc *sc;
1302           int lval, rval, l, r, la, ra;
1303           int l1, r1, l2, r2, m, o1, o2;
1304 
1305           ei = addr;
1306           sc = device_private(ei->parent);
1307           if (cp->dev == EAP_RECORD_SOURCE) {
1308                     if (cp->type != AUDIO_MIXER_SET)
1309                               return EINVAL;
1310                     m = sc->sc_record_source = cp->un.mask;
1311                     l1 = l2 = r1 = r2 = 0;
1312                     if (m & (1 << EAP_VOICE_VOL))
1313                               l2 |= AK_M_VOICE, r2 |= AK_M_VOICE;
1314                     if (m & (1 << EAP_FM_VOL))
1315                               l1 |= AK_M_FM_L, r1 |= AK_M_FM_R;
1316                     if (m & (1 << EAP_CD_VOL))
1317                               l1 |= AK_M_CD_L, r1 |= AK_M_CD_R;
1318                     if (m & (1 << EAP_LINE_VOL))
1319                               l1 |= AK_M_LINE_L, r1 |= AK_M_LINE_R;
1320                     if (m & (1 << EAP_AUX_VOL))
1321                               l2 |= AK_M2_AUX_L, r2 |= AK_M2_AUX_R;
1322                     if (m & (1 << EAP_MIC_VOL))
1323                               l2 |= AK_M_TMIC, r2 |= AK_M_TMIC;
1324                     eap1370_set_mixer(sc, AK_IN_MIXER1_L, l1);
1325                     eap1370_set_mixer(sc, AK_IN_MIXER1_R, r1);
1326                     eap1370_set_mixer(sc, AK_IN_MIXER2_L, l2);
1327                     eap1370_set_mixer(sc, AK_IN_MIXER2_R, r2);
1328                     return 0;
1329           }
1330           if (cp->dev == EAP_INPUT_SOURCE) {
1331                     if (cp->type != AUDIO_MIXER_SET)
1332                               return EINVAL;
1333                     m = sc->sc_input_source = cp->un.mask;
1334                     o1 = o2 = 0;
1335                     if (m & (1 << EAP_VOICE_VOL))
1336                               o2 |= AK_M_VOICE_L | AK_M_VOICE_R;
1337                     if (m & (1 << EAP_FM_VOL))
1338                               o1 |= AK_M_FM_L | AK_M_FM_R;
1339                     if (m & (1 << EAP_CD_VOL))
1340                               o1 |= AK_M_CD_L | AK_M_CD_R;
1341                     if (m & (1 << EAP_LINE_VOL))
1342                               o1 |= AK_M_LINE_L | AK_M_LINE_R;
1343                     if (m & (1 << EAP_AUX_VOL))
1344                               o2 |= AK_M_AUX_L | AK_M_AUX_R;
1345                     if (m & (1 << EAP_MIC_VOL))
1346                               o1 |= AK_M_MIC;
1347                     eap1370_set_mixer(sc, AK_OUT_MIXER1, o1);
1348                     eap1370_set_mixer(sc, AK_OUT_MIXER2, o2);
1349                     return 0;
1350           }
1351           if (cp->dev == EAP_MIC_PREAMP) {
1352                     if (cp->type != AUDIO_MIXER_ENUM)
1353                               return EINVAL;
1354                     if (cp->un.ord != 0 && cp->un.ord != 1)
1355                               return EINVAL;
1356                     sc->sc_mic_preamp = cp->un.ord;
1357                     eap1370_set_mixer(sc, AK_MGAIN, cp->un.ord);
1358                     return 0;
1359           }
1360           if (cp->type != AUDIO_MIXER_VALUE)
1361                     return EINVAL;
1362           if (cp->un.value.num_channels == 1)
1363                     lval = rval = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
1364           else if (cp->un.value.num_channels == 2) {
1365                     lval = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
1366                     rval = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
1367           } else
1368                     return EINVAL;
1369           ra = -1;
1370           switch (cp->dev) {
1371           case EAP_MASTER_VOL:
1372                     l = VOL_TO_ATT5(lval);
1373                     r = VOL_TO_ATT5(rval);
1374                     la = AK_MASTER_L;
1375                     ra = AK_MASTER_R;
1376                     break;
1377           case EAP_MIC_VOL:
1378                     if (cp->un.value.num_channels != 1)
1379                               return EINVAL;
1380                     la = AK_MIC;
1381                     goto lr;
1382           case EAP_VOICE_VOL:
1383                     la = AK_VOICE_L;
1384                     ra = AK_VOICE_R;
1385                     goto lr;
1386           case EAP_FM_VOL:
1387                     la = AK_FM_L;
1388                     ra = AK_FM_R;
1389                     goto lr;
1390           case EAP_CD_VOL:
1391                     la = AK_CD_L;
1392                     ra = AK_CD_R;
1393                     goto lr;
1394           case EAP_LINE_VOL:
1395                     la = AK_LINE_L;
1396                     ra = AK_LINE_R;
1397                     goto lr;
1398           case EAP_AUX_VOL:
1399                     la = AK_AUX_L;
1400                     ra = AK_AUX_R;
1401           lr:
1402                     l = VOL_TO_GAIN5(lval);
1403                     r = VOL_TO_GAIN5(rval);
1404                     break;
1405           default:
1406                     return EINVAL;
1407           }
1408           eap1370_set_mixer(sc, la, l);
1409           if (ra >= 0) {
1410                     eap1370_set_mixer(sc, ra, r);
1411           }
1412           return 0;
1413 }
1414 
1415 static int
eap1370_mixer_get_port(void * addr,mixer_ctrl_t * cp)1416 eap1370_mixer_get_port(void *addr, mixer_ctrl_t *cp)
1417 {
1418           struct eap_instance *ei;
1419           struct eap_softc *sc;
1420           int la, ra, l, r;
1421 
1422           ei = addr;
1423           sc = device_private(ei->parent);
1424           switch (cp->dev) {
1425           case EAP_RECORD_SOURCE:
1426                     if (cp->type != AUDIO_MIXER_SET)
1427                               return EINVAL;
1428                     cp->un.mask = sc->sc_record_source;
1429                     return 0;
1430           case EAP_INPUT_SOURCE:
1431                     if (cp->type != AUDIO_MIXER_SET)
1432                               return EINVAL;
1433                     cp->un.mask = sc->sc_input_source;
1434                     return 0;
1435           case EAP_MIC_PREAMP:
1436                     if (cp->type != AUDIO_MIXER_ENUM)
1437                               return EINVAL;
1438                     cp->un.ord = sc->sc_mic_preamp;
1439                     return 0;
1440           case EAP_MASTER_VOL:
1441                     l = ATT5_TO_VOL(sc->sc_port[AK_MASTER_L]);
1442                     r = ATT5_TO_VOL(sc->sc_port[AK_MASTER_R]);
1443                     break;
1444           case EAP_MIC_VOL:
1445                     if (cp->un.value.num_channels != 1)
1446                               return EINVAL;
1447                     la = ra = AK_MIC;
1448                     goto lr;
1449           case EAP_VOICE_VOL:
1450                     la = AK_VOICE_L;
1451                     ra = AK_VOICE_R;
1452                     goto lr;
1453           case EAP_FM_VOL:
1454                     la = AK_FM_L;
1455                     ra = AK_FM_R;
1456                     goto lr;
1457           case EAP_CD_VOL:
1458                     la = AK_CD_L;
1459                     ra = AK_CD_R;
1460                     goto lr;
1461           case EAP_LINE_VOL:
1462                     la = AK_LINE_L;
1463                     ra = AK_LINE_R;
1464                     goto lr;
1465           case EAP_AUX_VOL:
1466                     la = AK_AUX_L;
1467                     ra = AK_AUX_R;
1468           lr:
1469                     l = GAIN5_TO_VOL(sc->sc_port[la]);
1470                     r = GAIN5_TO_VOL(sc->sc_port[ra]);
1471                     break;
1472           default:
1473                     return EINVAL;
1474           }
1475           if (cp->un.value.num_channels == 1)
1476                     cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = (l+r) / 2;
1477           else if (cp->un.value.num_channels == 2) {
1478                     cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]  = l;
1479                     cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = r;
1480           } else
1481                     return EINVAL;
1482           return 0;
1483 }
1484 
1485 static int
eap1370_query_devinfo(void * addr,mixer_devinfo_t * dip)1486 eap1370_query_devinfo(void *addr, mixer_devinfo_t *dip)
1487 {
1488 
1489           switch (dip->index) {
1490           case EAP_MASTER_VOL:
1491                     dip->type = AUDIO_MIXER_VALUE;
1492                     dip->mixer_class = EAP_OUTPUT_CLASS;
1493                     dip->prev = dip->next = AUDIO_MIXER_LAST;
1494                     strcpy(dip->label.name, AudioNmaster);
1495                     dip->un.v.num_channels = 2;
1496                     dip->un.v.delta = 8;
1497                     strcpy(dip->un.v.units.name, AudioNvolume);
1498                     return 0;
1499           case EAP_VOICE_VOL:
1500                     dip->type = AUDIO_MIXER_VALUE;
1501                     dip->mixer_class = EAP_INPUT_CLASS;
1502                     dip->prev = AUDIO_MIXER_LAST;
1503                     dip->next = AUDIO_MIXER_LAST;
1504                     strcpy(dip->label.name, AudioNdac);
1505                     dip->un.v.num_channels = 2;
1506                     dip->un.v.delta = 8;
1507                     strcpy(dip->un.v.units.name, AudioNvolume);
1508                     return 0;
1509           case EAP_FM_VOL:
1510                     dip->type = AUDIO_MIXER_VALUE;
1511                     dip->mixer_class = EAP_INPUT_CLASS;
1512                     dip->prev = AUDIO_MIXER_LAST;
1513                     dip->next = AUDIO_MIXER_LAST;
1514                     strcpy(dip->label.name, AudioNfmsynth);
1515                     dip->un.v.num_channels = 2;
1516                     dip->un.v.delta = 8;
1517                     strcpy(dip->un.v.units.name, AudioNvolume);
1518                     return 0;
1519           case EAP_CD_VOL:
1520                     dip->type = AUDIO_MIXER_VALUE;
1521                     dip->mixer_class = EAP_INPUT_CLASS;
1522                     dip->prev = AUDIO_MIXER_LAST;
1523                     dip->next = AUDIO_MIXER_LAST;
1524                     strcpy(dip->label.name, AudioNcd);
1525                     dip->un.v.num_channels = 2;
1526                     dip->un.v.delta = 8;
1527                     strcpy(dip->un.v.units.name, AudioNvolume);
1528                     return 0;
1529           case EAP_LINE_VOL:
1530                     dip->type = AUDIO_MIXER_VALUE;
1531                     dip->mixer_class = EAP_INPUT_CLASS;
1532                     dip->prev = AUDIO_MIXER_LAST;
1533                     dip->next = AUDIO_MIXER_LAST;
1534                     strcpy(dip->label.name, AudioNline);
1535                     dip->un.v.num_channels = 2;
1536                     dip->un.v.delta = 8;
1537                     strcpy(dip->un.v.units.name, AudioNvolume);
1538                     return 0;
1539           case EAP_AUX_VOL:
1540                     dip->type = AUDIO_MIXER_VALUE;
1541                     dip->mixer_class = EAP_INPUT_CLASS;
1542                     dip->prev = AUDIO_MIXER_LAST;
1543                     dip->next = AUDIO_MIXER_LAST;
1544                     strcpy(dip->label.name, AudioNaux);
1545                     dip->un.v.num_channels = 2;
1546                     dip->un.v.delta = 8;
1547                     strcpy(dip->un.v.units.name, AudioNvolume);
1548                     return 0;
1549           case EAP_MIC_VOL:
1550                     dip->type = AUDIO_MIXER_VALUE;
1551                     dip->mixer_class = EAP_INPUT_CLASS;
1552                     dip->prev = AUDIO_MIXER_LAST;
1553                     dip->next = EAP_MIC_PREAMP;
1554                     strcpy(dip->label.name, AudioNmicrophone);
1555                     dip->un.v.num_channels = 1;
1556                     dip->un.v.delta = 8;
1557                     strcpy(dip->un.v.units.name, AudioNvolume);
1558                     return 0;
1559           case EAP_RECORD_SOURCE:
1560                     dip->mixer_class = EAP_RECORD_CLASS;
1561                     dip->prev = dip->next = AUDIO_MIXER_LAST;
1562                     strcpy(dip->label.name, AudioNsource);
1563                     dip->type = AUDIO_MIXER_SET;
1564                     dip->un.s.num_mem = 6;
1565                     strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1566                     dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1567                     strcpy(dip->un.s.member[1].label.name, AudioNcd);
1568                     dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1569                     strcpy(dip->un.s.member[2].label.name, AudioNline);
1570                     dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1571                     strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1572                     dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1573                     strcpy(dip->un.s.member[4].label.name, AudioNaux);
1574                     dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1575                     strcpy(dip->un.s.member[5].label.name, AudioNdac);
1576                     dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1577                     return 0;
1578           case EAP_INPUT_SOURCE:
1579                     dip->mixer_class = EAP_INPUT_CLASS;
1580                     dip->prev = dip->next = AUDIO_MIXER_LAST;
1581                     strcpy(dip->label.name, AudioNsource);
1582                     dip->type = AUDIO_MIXER_SET;
1583                     dip->un.s.num_mem = 6;
1584                     strcpy(dip->un.s.member[0].label.name, AudioNmicrophone);
1585                     dip->un.s.member[0].mask = 1 << EAP_MIC_VOL;
1586                     strcpy(dip->un.s.member[1].label.name, AudioNcd);
1587                     dip->un.s.member[1].mask = 1 << EAP_CD_VOL;
1588                     strcpy(dip->un.s.member[2].label.name, AudioNline);
1589                     dip->un.s.member[2].mask = 1 << EAP_LINE_VOL;
1590                     strcpy(dip->un.s.member[3].label.name, AudioNfmsynth);
1591                     dip->un.s.member[3].mask = 1 << EAP_FM_VOL;
1592                     strcpy(dip->un.s.member[4].label.name, AudioNaux);
1593                     dip->un.s.member[4].mask = 1 << EAP_AUX_VOL;
1594                     strcpy(dip->un.s.member[5].label.name, AudioNdac);
1595                     dip->un.s.member[5].mask = 1 << EAP_VOICE_VOL;
1596                     return 0;
1597           case EAP_MIC_PREAMP:
1598                     dip->type = AUDIO_MIXER_ENUM;
1599                     dip->mixer_class = EAP_INPUT_CLASS;
1600                     dip->prev = EAP_MIC_VOL;
1601                     dip->next = AUDIO_MIXER_LAST;
1602                     strcpy(dip->label.name, AudioNpreamp);
1603                     dip->un.e.num_mem = 2;
1604                     strcpy(dip->un.e.member[0].label.name, AudioNoff);
1605                     dip->un.e.member[0].ord = 0;
1606                     strcpy(dip->un.e.member[1].label.name, AudioNon);
1607                     dip->un.e.member[1].ord = 1;
1608                     return 0;
1609           case EAP_OUTPUT_CLASS:
1610                     dip->type = AUDIO_MIXER_CLASS;
1611                     dip->mixer_class = EAP_OUTPUT_CLASS;
1612                     dip->next = dip->prev = AUDIO_MIXER_LAST;
1613                     strcpy(dip->label.name, AudioCoutputs);
1614                     return 0;
1615           case EAP_RECORD_CLASS:
1616                     dip->type = AUDIO_MIXER_CLASS;
1617                     dip->mixer_class = EAP_RECORD_CLASS;
1618                     dip->next = dip->prev = AUDIO_MIXER_LAST;
1619                     strcpy(dip->label.name, AudioCrecord);
1620                     return 0;
1621           case EAP_INPUT_CLASS:
1622                     dip->type = AUDIO_MIXER_CLASS;
1623                     dip->mixer_class = EAP_INPUT_CLASS;
1624                     dip->next = dip->prev = AUDIO_MIXER_LAST;
1625                     strcpy(dip->label.name, AudioCinputs);
1626                     return 0;
1627           }
1628           return ENXIO;
1629 }
1630 
1631 static void *
eap_malloc(void * addr,int direction,size_t size)1632 eap_malloc(void *addr, int direction, size_t size)
1633 {
1634           struct eap_instance *ei;
1635           struct eap_softc *sc;
1636           struct eap_dma *p;
1637           int error;
1638 
1639           p = kmem_alloc(sizeof(*p), KM_SLEEP);
1640           ei = addr;
1641           sc = device_private(ei->parent);
1642           error = eap_allocmem(sc, size, 16, p);
1643           if (error) {
1644                     kmem_free(p, sizeof(*p));
1645                     return NULL;
1646           }
1647           p->next = sc->sc_dmas;
1648           sc->sc_dmas = p;
1649           return KERNADDR(p);
1650 }
1651 
1652 static void
eap_free(void * addr,void * ptr,size_t size)1653 eap_free(void *addr, void *ptr, size_t size)
1654 {
1655           struct eap_instance *ei;
1656           struct eap_softc *sc;
1657           struct eap_dma **pp, *p;
1658 
1659           ei = addr;
1660           sc = device_private(ei->parent);
1661           for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
1662                     if (KERNADDR(p) == ptr) {
1663                               eap_freemem(sc, p);
1664                               *pp = p->next;
1665                               kmem_free(p, sizeof(*p));
1666                               return;
1667                     }
1668           }
1669 }
1670 
1671 static int
eap_get_props(void * addr)1672 eap_get_props(void *addr)
1673 {
1674           struct eap_instance *ei;
1675           struct eap_softc *sc;
1676           int prop;
1677 
1678           ei = addr;
1679           sc = device_private(ei->parent);
1680           prop = AUDIO_PROP_PLAYBACK | AUDIO_PROP_CAPTURE |
1681               AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
1682           /* The es1370 only has one clock, so it's not independent */
1683           if (!sc->sc_1371 && ei->index == EAP_DAC2)
1684                     prop &= ~AUDIO_PROP_INDEPENDENT;
1685 
1686           return prop;
1687 }
1688 
1689 static void
eap_get_locks(void * addr,kmutex_t ** intr,kmutex_t ** thread)1690 eap_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread)
1691 {
1692           struct eap_instance *ei;
1693           struct eap_softc *sc;
1694 
1695           ei = addr;
1696           sc = device_private(ei->parent);
1697           *intr = &sc->sc_intr_lock;
1698           *thread = &sc->sc_lock;
1699 }
1700 
1701 #if NMIDI > 0
1702 static int
eap_midi_open(void * addr,int flags,void (* iintr)(void *,int),void (* ointr)(void *),void * arg)1703 eap_midi_open(void *addr, int flags,
1704                 void (*iintr)(void *, int),
1705                 void (*ointr)(void *),
1706                 void *arg)
1707 {
1708           struct eap_softc *sc;
1709           uint8_t uctrl;
1710 
1711           sc = addr;
1712           sc->sc_arg = arg;
1713 
1714           EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) | EAP_UART_EN);
1715           uctrl = 0;
1716           if (flags & FREAD) {
1717                     uctrl |= EAP_UC_RXINTEN;
1718                     sc->sc_iintr = iintr;
1719           }
1720           if (flags & FWRITE)
1721                     sc->sc_ointr = ointr;
1722           EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1723 
1724           return 0;
1725 }
1726 
1727 static void
eap_midi_close(void * addr)1728 eap_midi_close(void *addr)
1729 {
1730           struct eap_softc *sc;
1731 
1732           sc = addr;
1733           /* give uart a chance to drain */
1734           (void)kpause("eapclm", false, hz/10, &sc->sc_intr_lock);
1735           EWRITE1(sc, EAP_UART_CONTROL, 0);
1736           EWRITE4(sc, EAP_ICSC, EREAD4(sc, EAP_ICSC) & ~EAP_UART_EN);
1737 
1738           sc->sc_iintr = 0;
1739           sc->sc_ointr = 0;
1740 }
1741 
1742 static int
eap_midi_output(void * addr,int d)1743 eap_midi_output(void *addr, int d)
1744 {
1745           struct eap_softc *sc;
1746           uint8_t uctrl;
1747 
1748           sc = addr;
1749           EWRITE1(sc, EAP_UART_DATA, d);
1750 
1751           uctrl = EAP_UC_TXINTEN;
1752           if (sc->sc_iintr)
1753                     uctrl |= EAP_UC_RXINTEN;
1754           /*
1755            * This is a write-only register, so we have to remember the right
1756            * value of RXINTEN as well as setting TXINTEN. But if we are open
1757            * for reading, it will always be correct to set RXINTEN here; only
1758            * during service of a receive interrupt could it be momentarily
1759            * toggled off, and whether we got here from the top half or from
1760            * an interrupt, that won't be the current state.
1761            */
1762           EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1763           return 0;
1764 }
1765 
1766 static void
eap_midi_getinfo(void * addr,struct midi_info * mi)1767 eap_midi_getinfo(void *addr, struct midi_info *mi)
1768 {
1769           mi->name = "AudioPCI MIDI UART";
1770           mi->props = MIDI_PROP_CAN_INPUT | MIDI_PROP_OUT_INTR;
1771 }
1772 
1773 static void
eap_uart_txrdy(struct eap_softc * sc)1774 eap_uart_txrdy(struct eap_softc *sc)
1775 {
1776           uint8_t uctrl;
1777           uctrl = 0;
1778           if (sc->sc_iintr)
1779                     uctrl = EAP_UC_RXINTEN;
1780           EWRITE1(sc, EAP_UART_CONTROL, uctrl);
1781           sc->sc_ointr(sc->sc_arg);
1782 }
1783 
1784 #endif
1785