Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Universal Interface for Intel High Definition Audio Codec | |
3 | * | |
4 | * Generic widget tree parser | |
5 | * | |
6 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> | |
7 | * | |
8 | * This driver is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This driver is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #include <sound/driver.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/pci.h> | |
27 | #include <sound/core.h> | |
28 | #include "hda_codec.h" | |
29 | #include "hda_local.h" | |
30 | ||
31 | /* widget node for parsing */ | |
32 | struct hda_gnode { | |
33 | hda_nid_t nid; /* NID of this widget */ | |
34 | unsigned short nconns; /* number of input connections */ | |
35 | hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; /* input connections */ | |
36 | unsigned int wid_caps; /* widget capabilities */ | |
37 | unsigned char type; /* widget type */ | |
38 | unsigned char pin_ctl; /* pin controls */ | |
39 | unsigned char checked; /* the flag indicates that the node is already parsed */ | |
40 | unsigned int pin_caps; /* pin widget capabilities */ | |
41 | unsigned int def_cfg; /* default configuration */ | |
42 | unsigned int amp_out_caps; /* AMP out capabilities */ | |
43 | unsigned int amp_in_caps; /* AMP in capabilities */ | |
44 | struct list_head list; | |
45 | }; | |
46 | ||
c3132925 | 47 | /* patch-specific record */ |
1da177e4 LT |
48 | struct hda_gspec { |
49 | struct hda_gnode *dac_node; /* DAC node */ | |
50 | struct hda_gnode *out_pin_node; /* Output pin (Line-Out) node */ | |
51 | struct hda_gnode *pcm_vol_node; /* Node for PCM volume */ | |
52 | unsigned int pcm_vol_index; /* connection of PCM volume */ | |
53 | ||
54 | struct hda_gnode *adc_node; /* ADC node */ | |
55 | struct hda_gnode *cap_vol_node; /* Node for capture volume */ | |
56 | unsigned int cur_cap_src; /* current capture source */ | |
57 | struct hda_input_mux input_mux; | |
58 | char cap_labels[HDA_MAX_NUM_INPUTS][16]; | |
59 | ||
60 | unsigned int def_amp_in_caps; | |
61 | unsigned int def_amp_out_caps; | |
62 | ||
63 | struct hda_pcm pcm_rec; /* PCM information */ | |
64 | ||
65 | struct list_head nid_list; /* list of widgets */ | |
66 | }; | |
67 | ||
68 | /* | |
69 | * retrieve the default device type from the default config value | |
70 | */ | |
e9edcee0 TI |
71 | #define defcfg_type(node) (((node)->def_cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) |
72 | #define defcfg_location(node) (((node)->def_cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT) | |
1da177e4 LT |
73 | |
74 | /* | |
75 | * destructor | |
76 | */ | |
77 | static void snd_hda_generic_free(struct hda_codec *codec) | |
78 | { | |
79 | struct hda_gspec *spec = codec->spec; | |
80 | struct list_head *p, *n; | |
81 | ||
82 | if (! spec) | |
83 | return; | |
84 | /* free all widgets */ | |
85 | list_for_each_safe(p, n, &spec->nid_list) { | |
86 | struct hda_gnode *node = list_entry(p, struct hda_gnode, list); | |
87 | kfree(node); | |
88 | } | |
89 | kfree(spec); | |
90 | } | |
91 | ||
92 | ||
93 | /* | |
94 | * add a new widget node and read its attributes | |
95 | */ | |
96 | static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid_t nid) | |
97 | { | |
98 | struct hda_gnode *node; | |
99 | int nconns; | |
100 | ||
e560d8d8 | 101 | node = kzalloc(sizeof(*node), GFP_KERNEL); |
1da177e4 LT |
102 | if (node == NULL) |
103 | return -ENOMEM; | |
104 | node->nid = nid; | |
105 | nconns = snd_hda_get_connections(codec, nid, node->conn_list, HDA_MAX_CONNECTIONS); | |
106 | if (nconns < 0) { | |
107 | kfree(node); | |
108 | return nconns; | |
109 | } | |
110 | node->nconns = nconns; | |
111 | node->wid_caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); | |
112 | node->type = (node->wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; | |
113 | ||
114 | if (node->type == AC_WID_PIN) { | |
115 | node->pin_caps = snd_hda_param_read(codec, node->nid, AC_PAR_PIN_CAP); | |
116 | node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); | |
117 | node->def_cfg = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); | |
118 | } | |
119 | ||
120 | if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
121 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
122 | node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); | |
123 | if (! node->amp_out_caps) | |
124 | node->amp_out_caps = spec->def_amp_out_caps; | |
125 | } | |
126 | if (node->wid_caps & AC_WCAP_IN_AMP) { | |
127 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
128 | node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); | |
129 | if (! node->amp_in_caps) | |
130 | node->amp_in_caps = spec->def_amp_in_caps; | |
131 | } | |
132 | list_add_tail(&node->list, &spec->nid_list); | |
133 | return 0; | |
134 | } | |
135 | ||
136 | /* | |
137 | * build the AFG subtree | |
138 | */ | |
139 | static int build_afg_tree(struct hda_codec *codec) | |
140 | { | |
141 | struct hda_gspec *spec = codec->spec; | |
142 | int i, nodes, err; | |
143 | hda_nid_t nid; | |
144 | ||
145 | snd_assert(spec, return -EINVAL); | |
146 | ||
147 | spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); | |
148 | spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); | |
149 | ||
150 | nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); | |
151 | if (! nid || nodes < 0) { | |
152 | printk(KERN_ERR "Invalid AFG subtree\n"); | |
153 | return -EINVAL; | |
154 | } | |
155 | ||
156 | /* parse all nodes belonging to the AFG */ | |
157 | for (i = 0; i < nodes; i++, nid++) { | |
158 | if ((err = add_new_node(codec, spec, nid)) < 0) | |
159 | return err; | |
160 | } | |
161 | ||
162 | return 0; | |
163 | } | |
164 | ||
165 | ||
166 | /* | |
167 | * look for the node record for the given NID | |
168 | */ | |
169 | /* FIXME: should avoid the braindead linear search */ | |
170 | static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) | |
171 | { | |
172 | struct list_head *p; | |
173 | struct hda_gnode *node; | |
174 | ||
175 | list_for_each(p, &spec->nid_list) { | |
176 | node = list_entry(p, struct hda_gnode, list); | |
177 | if (node->nid == nid) | |
178 | return node; | |
179 | } | |
180 | return NULL; | |
181 | } | |
182 | ||
183 | /* | |
184 | * unmute (and set max vol) the output amplifier | |
185 | */ | |
186 | static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) | |
187 | { | |
188 | unsigned int val, ofs; | |
189 | snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); | |
190 | val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
191 | ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
192 | if (val >= ofs) | |
193 | val -= ofs; | |
194 | val |= AC_AMP_SET_LEFT | AC_AMP_SET_RIGHT; | |
195 | val |= AC_AMP_SET_OUTPUT; | |
196 | return snd_hda_codec_write(codec, node->nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, val); | |
197 | } | |
198 | ||
199 | /* | |
200 | * unmute (and set max vol) the input amplifier | |
201 | */ | |
202 | static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) | |
203 | { | |
204 | unsigned int val, ofs; | |
205 | snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); | |
206 | val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
207 | ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
208 | if (val >= ofs) | |
209 | val -= ofs; | |
210 | val |= AC_AMP_SET_LEFT | AC_AMP_SET_RIGHT; | |
211 | val |= AC_AMP_SET_INPUT; | |
212 | // awk added - fixed to allow unmuting of indexed amps | |
213 | val |= index << AC_AMP_SET_INDEX_SHIFT; | |
214 | return snd_hda_codec_write(codec, node->nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, val); | |
215 | } | |
216 | ||
217 | /* | |
218 | * select the input connection of the given node. | |
219 | */ | |
220 | static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, | |
221 | unsigned int index) | |
222 | { | |
223 | snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); | |
224 | return snd_hda_codec_write(codec, node->nid, 0, AC_VERB_SET_CONNECT_SEL, index); | |
225 | } | |
226 | ||
227 | /* | |
228 | * clear checked flag of each node in the node list | |
229 | */ | |
230 | static void clear_check_flags(struct hda_gspec *spec) | |
231 | { | |
232 | struct list_head *p; | |
233 | struct hda_gnode *node; | |
234 | ||
235 | list_for_each(p, &spec->nid_list) { | |
236 | node = list_entry(p, struct hda_gnode, list); | |
237 | node->checked = 0; | |
238 | } | |
239 | } | |
240 | ||
241 | /* | |
242 | * parse the output path recursively until reach to an audio output widget | |
243 | * | |
244 | * returns 0 if not found, 1 if found, or a negative error code. | |
245 | */ | |
246 | static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, | |
247 | struct hda_gnode *node) | |
248 | { | |
249 | int i, err; | |
250 | struct hda_gnode *child; | |
251 | ||
252 | if (node->checked) | |
253 | return 0; | |
254 | ||
255 | node->checked = 1; | |
256 | if (node->type == AC_WID_AUD_OUT) { | |
257 | if (node->wid_caps & AC_WCAP_DIGITAL) { | |
258 | snd_printdd("Skip Digital OUT node %x\n", node->nid); | |
259 | return 0; | |
260 | } | |
261 | snd_printdd("AUD_OUT found %x\n", node->nid); | |
262 | if (spec->dac_node) { | |
263 | /* already DAC node is assigned, just unmute & connect */ | |
264 | return node == spec->dac_node; | |
265 | } | |
266 | spec->dac_node = node; | |
267 | if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
268 | spec->pcm_vol_node = node; | |
269 | spec->pcm_vol_index = 0; | |
270 | } | |
271 | return 1; /* found */ | |
272 | } | |
273 | ||
274 | for (i = 0; i < node->nconns; i++) { | |
275 | child = hda_get_node(spec, node->conn_list[i]); | |
276 | if (! child) | |
277 | continue; | |
278 | err = parse_output_path(codec, spec, child); | |
279 | if (err < 0) | |
280 | return err; | |
281 | else if (err > 0) { | |
282 | /* found one, | |
283 | * select the path, unmute both input and output | |
284 | */ | |
285 | if (node->nconns > 1) | |
286 | select_input_connection(codec, node, i); | |
287 | unmute_input(codec, node, i); | |
288 | unmute_output(codec, node); | |
289 | if (! spec->pcm_vol_node) { | |
290 | if (node->wid_caps & AC_WCAP_IN_AMP) { | |
291 | spec->pcm_vol_node = node; | |
292 | spec->pcm_vol_index = i; | |
293 | } else if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
294 | spec->pcm_vol_node = node; | |
295 | spec->pcm_vol_index = 0; | |
296 | } | |
297 | } | |
298 | return 1; | |
299 | } | |
300 | } | |
301 | return 0; | |
302 | } | |
303 | ||
304 | /* | |
305 | * Look for the output PIN widget with the given jack type | |
306 | * and parse the output path to that PIN. | |
307 | * | |
308 | * Returns the PIN node when the path to DAC is established. | |
309 | */ | |
310 | static struct hda_gnode *parse_output_jack(struct hda_codec *codec, | |
311 | struct hda_gspec *spec, | |
312 | int jack_type) | |
313 | { | |
314 | struct list_head *p; | |
315 | struct hda_gnode *node; | |
316 | int err; | |
317 | ||
318 | list_for_each(p, &spec->nid_list) { | |
319 | node = list_entry(p, struct hda_gnode, list); | |
320 | if (node->type != AC_WID_PIN) | |
321 | continue; | |
322 | /* output capable? */ | |
323 | if (! (node->pin_caps & AC_PINCAP_OUT)) | |
324 | continue; | |
325 | if (jack_type >= 0) { | |
e9edcee0 | 326 | if (jack_type != defcfg_type(node)) |
1da177e4 LT |
327 | continue; |
328 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
329 | continue; /* skip SPDIF */ | |
330 | } else { | |
331 | /* output as default? */ | |
332 | if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) | |
333 | continue; | |
334 | } | |
335 | clear_check_flags(spec); | |
336 | err = parse_output_path(codec, spec, node); | |
337 | if (err < 0) | |
338 | return NULL; | |
339 | else if (err > 0) { | |
340 | /* unmute the PIN output */ | |
341 | unmute_output(codec, node); | |
342 | /* set PIN-Out enable */ | |
343 | snd_hda_codec_write(codec, node->nid, 0, | |
344 | AC_VERB_SET_PIN_WIDGET_CONTROL, | |
345 | AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN); | |
346 | return node; | |
347 | } | |
348 | } | |
349 | return NULL; | |
350 | } | |
351 | ||
352 | ||
353 | /* | |
354 | * parse outputs | |
355 | */ | |
356 | static int parse_output(struct hda_codec *codec) | |
357 | { | |
358 | struct hda_gspec *spec = codec->spec; | |
359 | struct hda_gnode *node; | |
360 | ||
361 | /* | |
362 | * Look for the output PIN widget | |
363 | */ | |
364 | /* first, look for the line-out pin */ | |
365 | node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); | |
366 | if (node) /* found, remember the PIN node */ | |
367 | spec->out_pin_node = node; | |
368 | /* look for the HP-out pin */ | |
369 | node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); | |
370 | if (node) { | |
371 | if (! spec->out_pin_node) | |
372 | spec->out_pin_node = node; | |
373 | } | |
374 | ||
375 | if (! spec->out_pin_node) { | |
376 | /* no line-out or HP pins found, | |
377 | * then choose for the first output pin | |
378 | */ | |
379 | spec->out_pin_node = parse_output_jack(codec, spec, -1); | |
380 | if (! spec->out_pin_node) | |
381 | snd_printd("hda_generic: no proper output path found\n"); | |
382 | } | |
383 | ||
384 | return 0; | |
385 | } | |
386 | ||
387 | /* | |
388 | * input MUX | |
389 | */ | |
390 | ||
391 | /* control callbacks */ | |
392 | static int capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | |
393 | { | |
394 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
395 | struct hda_gspec *spec = codec->spec; | |
396 | return snd_hda_input_mux_info(&spec->input_mux, uinfo); | |
397 | } | |
398 | ||
399 | static int capture_source_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
400 | { | |
401 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
402 | struct hda_gspec *spec = codec->spec; | |
403 | ||
404 | ucontrol->value.enumerated.item[0] = spec->cur_cap_src; | |
405 | return 0; | |
406 | } | |
407 | ||
408 | static int capture_source_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
409 | { | |
410 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
411 | struct hda_gspec *spec = codec->spec; | |
412 | return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, | |
413 | spec->adc_node->nid, &spec->cur_cap_src); | |
414 | } | |
415 | ||
416 | /* | |
417 | * return the string name of the given input PIN widget | |
418 | */ | |
419 | static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) | |
420 | { | |
e9edcee0 TI |
421 | unsigned int location = defcfg_location(node); |
422 | switch (defcfg_type(node)) { | |
1da177e4 LT |
423 | case AC_JACK_LINE_IN: |
424 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
425 | return "Front Line"; | |
426 | return "Line"; | |
427 | case AC_JACK_CD: | |
428 | if (pinctl) | |
1a12de1e | 429 | *pinctl |= AC_PINCTL_VREF_GRD; |
1da177e4 LT |
430 | return "CD"; |
431 | case AC_JACK_AUX: | |
432 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
433 | return "Front Aux"; | |
434 | return "Aux"; | |
435 | case AC_JACK_MIC_IN: | |
436 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
437 | return "Front Mic"; | |
438 | return "Mic"; | |
439 | case AC_JACK_SPDIF_IN: | |
440 | return "SPDIF"; | |
441 | case AC_JACK_DIG_OTHER_IN: | |
442 | return "Digital"; | |
443 | } | |
444 | return NULL; | |
445 | } | |
446 | ||
447 | /* | |
448 | * parse the nodes recursively until reach to the input PIN | |
449 | * | |
450 | * returns 0 if not found, 1 if found, or a negative error code. | |
451 | */ | |
452 | static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, | |
453 | struct hda_gnode *node) | |
454 | { | |
455 | int i, err; | |
456 | unsigned int pinctl; | |
457 | char *label; | |
458 | const char *type; | |
459 | ||
460 | if (node->checked) | |
461 | return 0; | |
462 | ||
463 | node->checked = 1; | |
464 | if (node->type != AC_WID_PIN) { | |
465 | for (i = 0; i < node->nconns; i++) { | |
466 | struct hda_gnode *child; | |
467 | child = hda_get_node(spec, node->conn_list[i]); | |
468 | if (! child) | |
469 | continue; | |
470 | err = parse_adc_sub_nodes(codec, spec, child); | |
471 | if (err < 0) | |
472 | return err; | |
473 | if (err > 0) { | |
474 | /* found one, | |
475 | * select the path, unmute both input and output | |
476 | */ | |
477 | if (node->nconns > 1) | |
478 | select_input_connection(codec, node, i); | |
479 | unmute_input(codec, node, i); | |
480 | unmute_output(codec, node); | |
481 | return err; | |
482 | } | |
483 | } | |
484 | return 0; | |
485 | } | |
486 | ||
487 | /* input capable? */ | |
488 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
489 | return 0; | |
490 | ||
491 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
492 | return 0; /* skip SPDIF */ | |
493 | ||
494 | if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { | |
495 | snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); | |
496 | return -EINVAL; | |
497 | } | |
498 | ||
499 | pinctl = AC_PINCTL_IN_EN; | |
500 | /* create a proper capture source label */ | |
501 | type = get_input_type(node, &pinctl); | |
502 | if (! type) { | |
503 | /* input as default? */ | |
504 | if (! (node->pin_ctl & AC_PINCTL_IN_EN)) | |
505 | return 0; | |
506 | type = "Input"; | |
507 | } | |
508 | label = spec->cap_labels[spec->input_mux.num_items]; | |
509 | strcpy(label, type); | |
510 | spec->input_mux.items[spec->input_mux.num_items].label = label; | |
511 | ||
512 | /* unmute the PIN external input */ | |
513 | unmute_input(codec, node, 0); /* index = 0? */ | |
514 | /* set PIN-In enable */ | |
515 | snd_hda_codec_write(codec, node->nid, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); | |
516 | ||
517 | return 1; /* found */ | |
518 | } | |
519 | ||
520 | /* | |
521 | * parse input | |
522 | */ | |
523 | static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) | |
524 | { | |
525 | struct hda_gspec *spec = codec->spec; | |
526 | struct hda_gnode *node; | |
527 | int i, err; | |
528 | ||
529 | snd_printdd("AUD_IN = %x\n", adc_node->nid); | |
530 | clear_check_flags(spec); | |
531 | ||
532 | // awk added - fixed no recording due to muted widget | |
533 | unmute_input(codec, adc_node, 0); | |
534 | ||
535 | /* | |
536 | * check each connection of the ADC | |
537 | * if it reaches to a proper input PIN, add the path as the | |
538 | * input path. | |
539 | */ | |
540 | for (i = 0; i < adc_node->nconns; i++) { | |
541 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
542 | if (! node) | |
543 | continue; | |
544 | err = parse_adc_sub_nodes(codec, spec, node); | |
545 | if (err < 0) | |
546 | return err; | |
547 | else if (err > 0) { | |
548 | struct hda_input_mux_item *csrc = &spec->input_mux.items[spec->input_mux.num_items]; | |
549 | char *buf = spec->cap_labels[spec->input_mux.num_items]; | |
550 | int ocap; | |
551 | for (ocap = 0; ocap < spec->input_mux.num_items; ocap++) { | |
552 | if (! strcmp(buf, spec->cap_labels[ocap])) { | |
553 | /* same label already exists, | |
554 | * put the index number to be unique | |
555 | */ | |
556 | sprintf(buf, "%s %d", spec->cap_labels[ocap], | |
557 | spec->input_mux.num_items); | |
558 | } | |
559 | } | |
560 | csrc->index = i; | |
561 | spec->input_mux.num_items++; | |
562 | } | |
563 | } | |
564 | ||
565 | if (! spec->input_mux.num_items) | |
566 | return 0; /* no input path found... */ | |
567 | ||
568 | snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); | |
569 | for (i = 0; i < spec->input_mux.num_items; i++) | |
570 | snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, | |
571 | spec->input_mux.items[i].index); | |
572 | ||
573 | spec->adc_node = adc_node; | |
574 | return 1; | |
575 | } | |
576 | ||
577 | /* | |
578 | * parse input | |
579 | */ | |
580 | static int parse_input(struct hda_codec *codec) | |
581 | { | |
582 | struct hda_gspec *spec = codec->spec; | |
583 | struct list_head *p; | |
584 | struct hda_gnode *node; | |
585 | int err; | |
586 | ||
587 | /* | |
588 | * At first we look for an audio input widget. | |
589 | * If it reaches to certain input PINs, we take it as the | |
590 | * input path. | |
591 | */ | |
592 | list_for_each(p, &spec->nid_list) { | |
593 | node = list_entry(p, struct hda_gnode, list); | |
594 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
595 | continue; /* skip SPDIF */ | |
596 | if (node->type == AC_WID_AUD_IN) { | |
597 | err = parse_input_path(codec, node); | |
598 | if (err < 0) | |
599 | return err; | |
600 | else if (err > 0) | |
601 | return 0; | |
602 | } | |
603 | } | |
604 | snd_printd("hda_generic: no proper input path found\n"); | |
605 | return 0; | |
606 | } | |
607 | ||
608 | /* | |
609 | * create mixer controls if possible | |
610 | */ | |
611 | #define DIR_OUT 0x1 | |
612 | #define DIR_IN 0x2 | |
613 | ||
614 | static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, | |
615 | unsigned int index, const char *type, const char *dir_sfx) | |
616 | { | |
617 | char name[32]; | |
618 | int err; | |
619 | int created = 0; | |
620 | snd_kcontrol_new_t knew; | |
621 | ||
622 | if (type) | |
623 | sprintf(name, "%s %s Switch", type, dir_sfx); | |
624 | else | |
625 | sprintf(name, "%s Switch", dir_sfx); | |
626 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
627 | (node->amp_in_caps & AC_AMPCAP_MUTE)) { | |
628 | knew = (snd_kcontrol_new_t)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); | |
629 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); | |
630 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
631 | return err; | |
632 | created = 1; | |
633 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
634 | (node->amp_out_caps & AC_AMPCAP_MUTE)) { | |
635 | knew = (snd_kcontrol_new_t)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); | |
636 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); | |
637 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
638 | return err; | |
639 | created = 1; | |
640 | } | |
641 | ||
642 | if (type) | |
643 | sprintf(name, "%s %s Volume", type, dir_sfx); | |
644 | else | |
645 | sprintf(name, "%s Volume", dir_sfx); | |
646 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
647 | (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { | |
648 | knew = (snd_kcontrol_new_t)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); | |
649 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); | |
650 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
651 | return err; | |
652 | created = 1; | |
653 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
654 | (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { | |
655 | knew = (snd_kcontrol_new_t)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); | |
656 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); | |
657 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
658 | return err; | |
659 | created = 1; | |
660 | } | |
661 | ||
662 | return created; | |
663 | } | |
664 | ||
665 | /* | |
666 | * check whether the controls with the given name and direction suffix already exist | |
667 | */ | |
668 | static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) | |
669 | { | |
670 | snd_ctl_elem_id_t id; | |
671 | memset(&id, 0, sizeof(id)); | |
672 | sprintf(id.name, "%s %s Volume", type, dir); | |
673 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
674 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
675 | return 1; | |
676 | sprintf(id.name, "%s %s Switch", type, dir); | |
677 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
678 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
679 | return 1; | |
680 | return 0; | |
681 | } | |
682 | ||
683 | /* | |
684 | * build output mixer controls | |
685 | */ | |
686 | static int build_output_controls(struct hda_codec *codec) | |
687 | { | |
688 | struct hda_gspec *spec = codec->spec; | |
689 | int err; | |
690 | ||
691 | err = create_mixer(codec, spec->pcm_vol_node, spec->pcm_vol_index, | |
692 | "PCM", "Playback"); | |
693 | if (err < 0) | |
694 | return err; | |
695 | return 0; | |
696 | } | |
697 | ||
698 | /* create capture volume/switch */ | |
699 | static int build_input_controls(struct hda_codec *codec) | |
700 | { | |
701 | struct hda_gspec *spec = codec->spec; | |
702 | struct hda_gnode *adc_node = spec->adc_node; | |
703 | int err; | |
704 | ||
705 | if (! adc_node) | |
706 | return 0; /* not found */ | |
707 | ||
708 | /* create capture volume and switch controls if the ADC has an amp */ | |
709 | err = create_mixer(codec, adc_node, 0, NULL, "Capture"); | |
710 | ||
711 | /* create input MUX if multiple sources are available */ | |
712 | if (spec->input_mux.num_items > 1) { | |
713 | static snd_kcontrol_new_t cap_sel = { | |
714 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
715 | .name = "Capture Source", | |
716 | .info = capture_source_info, | |
717 | .get = capture_source_get, | |
718 | .put = capture_source_put, | |
719 | }; | |
720 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&cap_sel, codec))) < 0) | |
721 | return err; | |
722 | spec->cur_cap_src = 0; | |
723 | select_input_connection(codec, adc_node, spec->input_mux.items[0].index); | |
724 | } | |
725 | return 0; | |
726 | } | |
727 | ||
728 | ||
729 | /* | |
730 | * parse the nodes recursively until reach to the output PIN. | |
731 | * | |
732 | * returns 0 - if not found, | |
733 | * 1 - if found, but no mixer is created | |
734 | * 2 - if found and mixer was already created, (just skip) | |
735 | * a negative error code | |
736 | */ | |
737 | static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, | |
738 | struct hda_gnode *node, struct hda_gnode *dest_node, | |
739 | const char *type) | |
740 | { | |
741 | int i, err; | |
742 | ||
743 | if (node->checked) | |
744 | return 0; | |
745 | ||
746 | node->checked = 1; | |
747 | if (node == dest_node) { | |
748 | /* loopback connection found */ | |
749 | return 1; | |
750 | } | |
751 | ||
752 | for (i = 0; i < node->nconns; i++) { | |
753 | struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); | |
754 | if (! child) | |
755 | continue; | |
756 | err = parse_loopback_path(codec, spec, child, dest_node, type); | |
757 | if (err < 0) | |
758 | return err; | |
759 | else if (err >= 1) { | |
760 | if (err == 1) { | |
761 | err = create_mixer(codec, node, i, type, "Playback"); | |
762 | if (err < 0) | |
763 | return err; | |
764 | if (err > 0) | |
765 | return 2; /* ok, created */ | |
766 | /* not created, maybe in the lower path */ | |
767 | err = 1; | |
768 | } | |
769 | /* connect and unmute */ | |
770 | if (node->nconns > 1) | |
771 | select_input_connection(codec, node, i); | |
772 | unmute_input(codec, node, i); | |
773 | unmute_output(codec, node); | |
774 | return err; | |
775 | } | |
776 | } | |
777 | return 0; | |
778 | } | |
779 | ||
780 | /* | |
781 | * parse the tree and build the loopback controls | |
782 | */ | |
783 | static int build_loopback_controls(struct hda_codec *codec) | |
784 | { | |
785 | struct hda_gspec *spec = codec->spec; | |
786 | struct list_head *p; | |
787 | struct hda_gnode *node; | |
788 | int err; | |
789 | const char *type; | |
790 | ||
791 | if (! spec->out_pin_node) | |
792 | return 0; | |
793 | ||
794 | list_for_each(p, &spec->nid_list) { | |
795 | node = list_entry(p, struct hda_gnode, list); | |
796 | if (node->type != AC_WID_PIN) | |
797 | continue; | |
798 | /* input capable? */ | |
799 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
800 | return 0; | |
801 | type = get_input_type(node, NULL); | |
802 | if (type) { | |
803 | if (check_existing_control(codec, type, "Playback")) | |
804 | continue; | |
805 | clear_check_flags(spec); | |
806 | err = parse_loopback_path(codec, spec, spec->out_pin_node, | |
807 | node, type); | |
808 | if (err < 0) | |
809 | return err; | |
810 | if (! err) | |
811 | continue; | |
812 | } | |
813 | } | |
814 | return 0; | |
815 | } | |
816 | ||
817 | /* | |
818 | * build mixer controls | |
819 | */ | |
820 | static int build_generic_controls(struct hda_codec *codec) | |
821 | { | |
822 | int err; | |
823 | ||
824 | if ((err = build_input_controls(codec)) < 0 || | |
825 | (err = build_output_controls(codec)) < 0 || | |
826 | (err = build_loopback_controls(codec)) < 0) | |
827 | return err; | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
832 | /* | |
833 | * PCM | |
834 | */ | |
835 | static struct hda_pcm_stream generic_pcm_playback = { | |
836 | .substreams = 1, | |
837 | .channels_min = 2, | |
838 | .channels_max = 2, | |
839 | }; | |
840 | ||
841 | static int build_generic_pcms(struct hda_codec *codec) | |
842 | { | |
843 | struct hda_gspec *spec = codec->spec; | |
844 | struct hda_pcm *info = &spec->pcm_rec; | |
845 | ||
846 | if (! spec->dac_node && ! spec->adc_node) { | |
847 | snd_printd("hda_generic: no PCM found\n"); | |
848 | return 0; | |
849 | } | |
850 | ||
851 | codec->num_pcms = 1; | |
852 | codec->pcm_info = info; | |
853 | ||
854 | info->name = "HDA Generic"; | |
855 | if (spec->dac_node) { | |
856 | info->stream[0] = generic_pcm_playback; | |
857 | info->stream[0].nid = spec->dac_node->nid; | |
858 | } | |
859 | if (spec->adc_node) { | |
860 | info->stream[1] = generic_pcm_playback; | |
861 | info->stream[1].nid = spec->adc_node->nid; | |
862 | } | |
863 | ||
864 | return 0; | |
865 | } | |
866 | ||
867 | ||
868 | /* | |
869 | */ | |
870 | static struct hda_codec_ops generic_patch_ops = { | |
871 | .build_controls = build_generic_controls, | |
872 | .build_pcms = build_generic_pcms, | |
873 | .free = snd_hda_generic_free, | |
874 | }; | |
875 | ||
876 | /* | |
877 | * the generic parser | |
878 | */ | |
879 | int snd_hda_parse_generic_codec(struct hda_codec *codec) | |
880 | { | |
881 | struct hda_gspec *spec; | |
882 | int err; | |
883 | ||
673b683a SK |
884 | if(!codec->afg) { |
885 | snd_printdd("hda_generic: no generic modem yet\n"); | |
886 | return -ENODEV; | |
887 | } | |
888 | ||
e560d8d8 | 889 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
1da177e4 LT |
890 | if (spec == NULL) { |
891 | printk(KERN_ERR "hda_generic: can't allocate spec\n"); | |
892 | return -ENOMEM; | |
893 | } | |
894 | codec->spec = spec; | |
895 | INIT_LIST_HEAD(&spec->nid_list); | |
896 | ||
897 | if ((err = build_afg_tree(codec)) < 0) | |
898 | goto error; | |
899 | ||
900 | if ((err = parse_input(codec)) < 0 || | |
901 | (err = parse_output(codec)) < 0) | |
902 | goto error; | |
903 | ||
904 | codec->patch_ops = generic_patch_ops; | |
905 | ||
906 | return 0; | |
907 | ||
908 | error: | |
909 | snd_hda_generic_free(codec); | |
910 | return err; | |
911 | } |