Commit | Line | Data |
---|---|---|
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 | ||
1da177e4 LT |
23 | #include <linux/init.h> |
24 | #include <linux/slab.h> | |
1da177e4 LT |
25 | #include <sound/core.h> |
26 | #include "hda_codec.h" | |
27 | #include "hda_local.h" | |
28 | ||
29 | /* widget node for parsing */ | |
30 | struct hda_gnode { | |
31 | hda_nid_t nid; /* NID of this widget */ | |
32 | unsigned short nconns; /* number of input connections */ | |
d2569505 TI |
33 | hda_nid_t *conn_list; |
34 | hda_nid_t slist[2]; /* temporay list */ | |
1da177e4 LT |
35 | unsigned int wid_caps; /* widget capabilities */ |
36 | unsigned char type; /* widget type */ | |
37 | unsigned char pin_ctl; /* pin controls */ | |
38 | unsigned char checked; /* the flag indicates that the node is already parsed */ | |
39 | unsigned int pin_caps; /* pin widget capabilities */ | |
40 | unsigned int def_cfg; /* default configuration */ | |
41 | unsigned int amp_out_caps; /* AMP out capabilities */ | |
42 | unsigned int amp_in_caps; /* AMP in capabilities */ | |
43 | struct list_head list; | |
44 | }; | |
45 | ||
c3132925 | 46 | /* patch-specific record */ |
a7da6ce5 TI |
47 | |
48 | #define MAX_PCM_VOLS 2 | |
49 | struct pcm_vol { | |
50 | struct hda_gnode *node; /* Node for PCM volume */ | |
51 | unsigned int index; /* connection of PCM volume */ | |
52 | }; | |
53 | ||
1da177e4 | 54 | struct hda_gspec { |
97ec558a TI |
55 | struct hda_gnode *dac_node[2]; /* DAC node */ |
56 | struct hda_gnode *out_pin_node[2]; /* Output pin (Line-Out) node */ | |
a7da6ce5 TI |
57 | struct pcm_vol pcm_vol[MAX_PCM_VOLS]; /* PCM volumes */ |
58 | unsigned int pcm_vol_nodes; /* number of PCM volumes */ | |
1da177e4 LT |
59 | |
60 | struct hda_gnode *adc_node; /* ADC node */ | |
61 | struct hda_gnode *cap_vol_node; /* Node for capture volume */ | |
62 | unsigned int cur_cap_src; /* current capture source */ | |
63 | struct hda_input_mux input_mux; | |
1da177e4 LT |
64 | |
65 | unsigned int def_amp_in_caps; | |
66 | unsigned int def_amp_out_caps; | |
67 | ||
68 | struct hda_pcm pcm_rec; /* PCM information */ | |
69 | ||
70 | struct list_head nid_list; /* list of widgets */ | |
cb53c626 TI |
71 | |
72 | #ifdef CONFIG_SND_HDA_POWER_SAVE | |
73 | #define MAX_LOOPBACK_AMPS 7 | |
74 | struct hda_loopback_check loopback; | |
75 | int num_loopbacks; | |
76 | struct hda_amp_list loopback_list[MAX_LOOPBACK_AMPS + 1]; | |
77 | #endif | |
1da177e4 LT |
78 | }; |
79 | ||
80 | /* | |
81 | * retrieve the default device type from the default config value | |
82 | */ | |
97ec558a TI |
83 | #define defcfg_type(node) (((node)->def_cfg & AC_DEFCFG_DEVICE) >> \ |
84 | AC_DEFCFG_DEVICE_SHIFT) | |
85 | #define defcfg_location(node) (((node)->def_cfg & AC_DEFCFG_LOCATION) >> \ | |
86 | AC_DEFCFG_LOCATION_SHIFT) | |
87 | #define defcfg_port_conn(node) (((node)->def_cfg & AC_DEFCFG_PORT_CONN) >> \ | |
88 | AC_DEFCFG_PORT_CONN_SHIFT) | |
1da177e4 LT |
89 | |
90 | /* | |
91 | * destructor | |
92 | */ | |
93 | static void snd_hda_generic_free(struct hda_codec *codec) | |
94 | { | |
95 | struct hda_gspec *spec = codec->spec; | |
33206e86 | 96 | struct hda_gnode *node, *n; |
1da177e4 LT |
97 | |
98 | if (! spec) | |
99 | return; | |
100 | /* free all widgets */ | |
33206e86 | 101 | list_for_each_entry_safe(node, n, &spec->nid_list, list) { |
d2569505 TI |
102 | if (node->conn_list != node->slist) |
103 | kfree(node->conn_list); | |
1da177e4 LT |
104 | kfree(node); |
105 | } | |
106 | kfree(spec); | |
107 | } | |
108 | ||
109 | ||
110 | /* | |
111 | * add a new widget node and read its attributes | |
112 | */ | |
113 | static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid_t nid) | |
114 | { | |
115 | struct hda_gnode *node; | |
116 | int nconns; | |
d2569505 | 117 | hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; |
1da177e4 | 118 | |
e560d8d8 | 119 | node = kzalloc(sizeof(*node), GFP_KERNEL); |
1da177e4 LT |
120 | if (node == NULL) |
121 | return -ENOMEM; | |
122 | node->nid = nid; | |
05296048 | 123 | node->wid_caps = get_wcaps(codec, nid); |
a22d543a | 124 | node->type = get_wcaps_type(node->wid_caps); |
254da007 | 125 | if (node->wid_caps & AC_WCAP_CONN_LIST) { |
05296048 JK |
126 | nconns = snd_hda_get_connections(codec, nid, conn_list, |
127 | HDA_MAX_CONNECTIONS); | |
128 | if (nconns < 0) { | |
129 | kfree(node); | |
130 | return nconns; | |
131 | } | |
132 | } else { | |
133 | nconns = 0; | |
1da177e4 | 134 | } |
d2569505 TI |
135 | if (nconns <= ARRAY_SIZE(node->slist)) |
136 | node->conn_list = node->slist; | |
137 | else { | |
138 | node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, | |
139 | GFP_KERNEL); | |
140 | if (! node->conn_list) { | |
141 | snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); | |
142 | kfree(node); | |
143 | return -ENOMEM; | |
144 | } | |
145 | } | |
0bbed758 | 146 | memcpy(node->conn_list, conn_list, nconns * sizeof(hda_nid_t)); |
1da177e4 | 147 | node->nconns = nconns; |
1da177e4 LT |
148 | |
149 | if (node->type == AC_WID_PIN) { | |
1327a32b | 150 | node->pin_caps = snd_hda_query_pin_caps(codec, node->nid); |
1da177e4 | 151 | node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); |
c17a1aba | 152 | node->def_cfg = snd_hda_codec_get_pincfg(codec, node->nid); |
1da177e4 LT |
153 | } |
154 | ||
155 | if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
156 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
157 | node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); | |
158 | if (! node->amp_out_caps) | |
159 | node->amp_out_caps = spec->def_amp_out_caps; | |
160 | } | |
161 | if (node->wid_caps & AC_WCAP_IN_AMP) { | |
162 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
163 | node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); | |
164 | if (! node->amp_in_caps) | |
165 | node->amp_in_caps = spec->def_amp_in_caps; | |
166 | } | |
167 | list_add_tail(&node->list, &spec->nid_list); | |
168 | return 0; | |
169 | } | |
170 | ||
171 | /* | |
172 | * build the AFG subtree | |
173 | */ | |
174 | static int build_afg_tree(struct hda_codec *codec) | |
175 | { | |
176 | struct hda_gspec *spec = codec->spec; | |
177 | int i, nodes, err; | |
178 | hda_nid_t nid; | |
179 | ||
da3cec35 TI |
180 | if (snd_BUG_ON(!spec)) |
181 | return -EINVAL; | |
1da177e4 LT |
182 | |
183 | spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); | |
184 | spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); | |
185 | ||
186 | nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); | |
187 | if (! nid || nodes < 0) { | |
188 | printk(KERN_ERR "Invalid AFG subtree\n"); | |
189 | return -EINVAL; | |
190 | } | |
191 | ||
192 | /* parse all nodes belonging to the AFG */ | |
193 | for (i = 0; i < nodes; i++, nid++) { | |
194 | if ((err = add_new_node(codec, spec, nid)) < 0) | |
195 | return err; | |
196 | } | |
197 | ||
198 | return 0; | |
199 | } | |
200 | ||
201 | ||
202 | /* | |
203 | * look for the node record for the given NID | |
204 | */ | |
205 | /* FIXME: should avoid the braindead linear search */ | |
206 | static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) | |
207 | { | |
1da177e4 LT |
208 | struct hda_gnode *node; |
209 | ||
33206e86 | 210 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
211 | if (node->nid == nid) |
212 | return node; | |
213 | } | |
214 | return NULL; | |
215 | } | |
216 | ||
217 | /* | |
218 | * unmute (and set max vol) the output amplifier | |
219 | */ | |
220 | static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) | |
221 | { | |
222 | unsigned int val, ofs; | |
223 | snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); | |
224 | val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
225 | ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
226 | if (val >= ofs) | |
227 | val -= ofs; | |
47fd830a | 228 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_OUTPUT, 0, 0xff, val); |
82beb8fd | 229 | return 0; |
1da177e4 LT |
230 | } |
231 | ||
232 | /* | |
233 | * unmute (and set max vol) the input amplifier | |
234 | */ | |
235 | static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) | |
236 | { | |
237 | unsigned int val, ofs; | |
238 | snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); | |
239 | val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
240 | ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
241 | if (val >= ofs) | |
242 | val -= ofs; | |
47fd830a | 243 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_INPUT, index, 0xff, val); |
82beb8fd | 244 | return 0; |
1da177e4 LT |
245 | } |
246 | ||
247 | /* | |
248 | * select the input connection of the given node. | |
249 | */ | |
250 | static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, | |
251 | unsigned int index) | |
252 | { | |
253 | snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); | |
82beb8fd TI |
254 | return snd_hda_codec_write_cache(codec, node->nid, 0, |
255 | AC_VERB_SET_CONNECT_SEL, index); | |
1da177e4 LT |
256 | } |
257 | ||
258 | /* | |
259 | * clear checked flag of each node in the node list | |
260 | */ | |
261 | static void clear_check_flags(struct hda_gspec *spec) | |
262 | { | |
1da177e4 LT |
263 | struct hda_gnode *node; |
264 | ||
33206e86 | 265 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
266 | node->checked = 0; |
267 | } | |
268 | } | |
269 | ||
270 | /* | |
271 | * parse the output path recursively until reach to an audio output widget | |
272 | * | |
273 | * returns 0 if not found, 1 if found, or a negative error code. | |
274 | */ | |
275 | static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, | |
97ec558a | 276 | struct hda_gnode *node, int dac_idx) |
1da177e4 LT |
277 | { |
278 | int i, err; | |
279 | struct hda_gnode *child; | |
280 | ||
281 | if (node->checked) | |
282 | return 0; | |
283 | ||
284 | node->checked = 1; | |
285 | if (node->type == AC_WID_AUD_OUT) { | |
286 | if (node->wid_caps & AC_WCAP_DIGITAL) { | |
287 | snd_printdd("Skip Digital OUT node %x\n", node->nid); | |
288 | return 0; | |
289 | } | |
290 | snd_printdd("AUD_OUT found %x\n", node->nid); | |
97ec558a | 291 | if (spec->dac_node[dac_idx]) { |
1da177e4 | 292 | /* already DAC node is assigned, just unmute & connect */ |
97ec558a | 293 | return node == spec->dac_node[dac_idx]; |
1da177e4 | 294 | } |
97ec558a | 295 | spec->dac_node[dac_idx] = node; |
a7da6ce5 TI |
296 | if ((node->wid_caps & AC_WCAP_OUT_AMP) && |
297 | spec->pcm_vol_nodes < MAX_PCM_VOLS) { | |
298 | spec->pcm_vol[spec->pcm_vol_nodes].node = node; | |
299 | spec->pcm_vol[spec->pcm_vol_nodes].index = 0; | |
300 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
301 | } |
302 | return 1; /* found */ | |
303 | } | |
304 | ||
305 | for (i = 0; i < node->nconns; i++) { | |
306 | child = hda_get_node(spec, node->conn_list[i]); | |
307 | if (! child) | |
308 | continue; | |
97ec558a | 309 | err = parse_output_path(codec, spec, child, dac_idx); |
1da177e4 LT |
310 | if (err < 0) |
311 | return err; | |
312 | else if (err > 0) { | |
313 | /* found one, | |
314 | * select the path, unmute both input and output | |
315 | */ | |
316 | if (node->nconns > 1) | |
317 | select_input_connection(codec, node, i); | |
318 | unmute_input(codec, node, i); | |
319 | unmute_output(codec, node); | |
a7da6ce5 TI |
320 | if (spec->dac_node[dac_idx] && |
321 | spec->pcm_vol_nodes < MAX_PCM_VOLS && | |
322 | !(spec->dac_node[dac_idx]->wid_caps & | |
323 | AC_WCAP_OUT_AMP)) { | |
324 | if ((node->wid_caps & AC_WCAP_IN_AMP) || | |
325 | (node->wid_caps & AC_WCAP_OUT_AMP)) { | |
326 | int n = spec->pcm_vol_nodes; | |
327 | spec->pcm_vol[n].node = node; | |
328 | spec->pcm_vol[n].index = i; | |
329 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
330 | } |
331 | } | |
332 | return 1; | |
333 | } | |
334 | } | |
335 | return 0; | |
336 | } | |
337 | ||
338 | /* | |
339 | * Look for the output PIN widget with the given jack type | |
340 | * and parse the output path to that PIN. | |
341 | * | |
342 | * Returns the PIN node when the path to DAC is established. | |
343 | */ | |
344 | static struct hda_gnode *parse_output_jack(struct hda_codec *codec, | |
345 | struct hda_gspec *spec, | |
346 | int jack_type) | |
347 | { | |
1da177e4 LT |
348 | struct hda_gnode *node; |
349 | int err; | |
350 | ||
33206e86 | 351 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
352 | if (node->type != AC_WID_PIN) |
353 | continue; | |
354 | /* output capable? */ | |
355 | if (! (node->pin_caps & AC_PINCAP_OUT)) | |
356 | continue; | |
97ec558a TI |
357 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
358 | continue; /* unconnected */ | |
1da177e4 | 359 | if (jack_type >= 0) { |
e9edcee0 | 360 | if (jack_type != defcfg_type(node)) |
1da177e4 LT |
361 | continue; |
362 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
363 | continue; /* skip SPDIF */ | |
364 | } else { | |
365 | /* output as default? */ | |
366 | if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) | |
367 | continue; | |
368 | } | |
369 | clear_check_flags(spec); | |
97ec558a | 370 | err = parse_output_path(codec, spec, node, 0); |
1da177e4 LT |
371 | if (err < 0) |
372 | return NULL; | |
97ec558a TI |
373 | if (! err && spec->out_pin_node[0]) { |
374 | err = parse_output_path(codec, spec, node, 1); | |
375 | if (err < 0) | |
376 | return NULL; | |
377 | } | |
378 | if (err > 0) { | |
1da177e4 LT |
379 | /* unmute the PIN output */ |
380 | unmute_output(codec, node); | |
381 | /* set PIN-Out enable */ | |
82beb8fd | 382 | snd_hda_codec_write_cache(codec, node->nid, 0, |
1da177e4 | 383 | AC_VERB_SET_PIN_WIDGET_CONTROL, |
a7da6ce5 TI |
384 | AC_PINCTL_OUT_EN | |
385 | ((node->pin_caps & AC_PINCAP_HP_DRV) ? | |
386 | AC_PINCTL_HP_EN : 0)); | |
1da177e4 LT |
387 | return node; |
388 | } | |
389 | } | |
390 | return NULL; | |
391 | } | |
392 | ||
393 | ||
394 | /* | |
395 | * parse outputs | |
396 | */ | |
397 | static int parse_output(struct hda_codec *codec) | |
398 | { | |
399 | struct hda_gspec *spec = codec->spec; | |
400 | struct hda_gnode *node; | |
401 | ||
402 | /* | |
403 | * Look for the output PIN widget | |
404 | */ | |
405 | /* first, look for the line-out pin */ | |
406 | node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); | |
407 | if (node) /* found, remember the PIN node */ | |
97ec558a TI |
408 | spec->out_pin_node[0] = node; |
409 | else { | |
410 | /* if no line-out is found, try speaker out */ | |
411 | node = parse_output_jack(codec, spec, AC_JACK_SPEAKER); | |
412 | if (node) | |
413 | spec->out_pin_node[0] = node; | |
414 | } | |
1da177e4 LT |
415 | /* look for the HP-out pin */ |
416 | node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); | |
417 | if (node) { | |
97ec558a TI |
418 | if (! spec->out_pin_node[0]) |
419 | spec->out_pin_node[0] = node; | |
420 | else | |
421 | spec->out_pin_node[1] = node; | |
1da177e4 LT |
422 | } |
423 | ||
97ec558a | 424 | if (! spec->out_pin_node[0]) { |
1da177e4 LT |
425 | /* no line-out or HP pins found, |
426 | * then choose for the first output pin | |
427 | */ | |
97ec558a TI |
428 | spec->out_pin_node[0] = parse_output_jack(codec, spec, -1); |
429 | if (! spec->out_pin_node[0]) | |
1da177e4 LT |
430 | snd_printd("hda_generic: no proper output path found\n"); |
431 | } | |
432 | ||
433 | return 0; | |
434 | } | |
435 | ||
436 | /* | |
437 | * input MUX | |
438 | */ | |
439 | ||
440 | /* control callbacks */ | |
c8b6bf9b | 441 | static int capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
442 | { |
443 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
444 | struct hda_gspec *spec = codec->spec; | |
445 | return snd_hda_input_mux_info(&spec->input_mux, uinfo); | |
446 | } | |
447 | ||
c8b6bf9b | 448 | static int capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
449 | { |
450 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
451 | struct hda_gspec *spec = codec->spec; | |
452 | ||
453 | ucontrol->value.enumerated.item[0] = spec->cur_cap_src; | |
454 | return 0; | |
455 | } | |
456 | ||
c8b6bf9b | 457 | static int capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
458 | { |
459 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
460 | struct hda_gspec *spec = codec->spec; | |
461 | return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, | |
462 | spec->adc_node->nid, &spec->cur_cap_src); | |
463 | } | |
464 | ||
465 | /* | |
466 | * return the string name of the given input PIN widget | |
467 | */ | |
468 | static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) | |
469 | { | |
e9edcee0 TI |
470 | unsigned int location = defcfg_location(node); |
471 | switch (defcfg_type(node)) { | |
1da177e4 LT |
472 | case AC_JACK_LINE_IN: |
473 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
474 | return "Front Line"; | |
475 | return "Line"; | |
476 | case AC_JACK_CD: | |
071c73ad | 477 | #if 0 |
1da177e4 | 478 | if (pinctl) |
1a12de1e | 479 | *pinctl |= AC_PINCTL_VREF_GRD; |
071c73ad | 480 | #endif |
1da177e4 LT |
481 | return "CD"; |
482 | case AC_JACK_AUX: | |
483 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
484 | return "Front Aux"; | |
485 | return "Aux"; | |
486 | case AC_JACK_MIC_IN: | |
6afeb11d TI |
487 | if (pinctl && |
488 | (node->pin_caps & | |
489 | (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))) | |
071c73ad | 490 | *pinctl |= AC_PINCTL_VREF_80; |
1da177e4 LT |
491 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) |
492 | return "Front Mic"; | |
493 | return "Mic"; | |
494 | case AC_JACK_SPDIF_IN: | |
495 | return "SPDIF"; | |
496 | case AC_JACK_DIG_OTHER_IN: | |
497 | return "Digital"; | |
498 | } | |
499 | return NULL; | |
500 | } | |
501 | ||
502 | /* | |
503 | * parse the nodes recursively until reach to the input PIN | |
504 | * | |
505 | * returns 0 if not found, 1 if found, or a negative error code. | |
506 | */ | |
507 | static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, | |
10a20af7 | 508 | struct hda_gnode *node, int idx) |
1da177e4 LT |
509 | { |
510 | int i, err; | |
511 | unsigned int pinctl; | |
1da177e4 LT |
512 | const char *type; |
513 | ||
514 | if (node->checked) | |
515 | return 0; | |
516 | ||
517 | node->checked = 1; | |
518 | if (node->type != AC_WID_PIN) { | |
519 | for (i = 0; i < node->nconns; i++) { | |
520 | struct hda_gnode *child; | |
521 | child = hda_get_node(spec, node->conn_list[i]); | |
522 | if (! child) | |
523 | continue; | |
10a20af7 | 524 | err = parse_adc_sub_nodes(codec, spec, child, idx); |
1da177e4 LT |
525 | if (err < 0) |
526 | return err; | |
527 | if (err > 0) { | |
528 | /* found one, | |
529 | * select the path, unmute both input and output | |
530 | */ | |
531 | if (node->nconns > 1) | |
532 | select_input_connection(codec, node, i); | |
533 | unmute_input(codec, node, i); | |
534 | unmute_output(codec, node); | |
535 | return err; | |
536 | } | |
537 | } | |
538 | return 0; | |
539 | } | |
540 | ||
541 | /* input capable? */ | |
542 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
543 | return 0; | |
544 | ||
97ec558a TI |
545 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
546 | return 0; /* unconnected */ | |
547 | ||
1da177e4 LT |
548 | if (node->wid_caps & AC_WCAP_DIGITAL) |
549 | return 0; /* skip SPDIF */ | |
550 | ||
551 | if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { | |
552 | snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); | |
553 | return -EINVAL; | |
554 | } | |
555 | ||
556 | pinctl = AC_PINCTL_IN_EN; | |
557 | /* create a proper capture source label */ | |
558 | type = get_input_type(node, &pinctl); | |
559 | if (! type) { | |
560 | /* input as default? */ | |
561 | if (! (node->pin_ctl & AC_PINCTL_IN_EN)) | |
562 | return 0; | |
563 | type = "Input"; | |
564 | } | |
10a20af7 | 565 | snd_hda_add_imux_item(&spec->input_mux, type, idx, NULL); |
1da177e4 LT |
566 | |
567 | /* unmute the PIN external input */ | |
568 | unmute_input(codec, node, 0); /* index = 0? */ | |
569 | /* set PIN-In enable */ | |
82beb8fd TI |
570 | snd_hda_codec_write_cache(codec, node->nid, 0, |
571 | AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); | |
1da177e4 LT |
572 | |
573 | return 1; /* found */ | |
574 | } | |
575 | ||
576 | /* | |
577 | * parse input | |
578 | */ | |
579 | static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) | |
580 | { | |
581 | struct hda_gspec *spec = codec->spec; | |
582 | struct hda_gnode *node; | |
583 | int i, err; | |
584 | ||
585 | snd_printdd("AUD_IN = %x\n", adc_node->nid); | |
586 | clear_check_flags(spec); | |
587 | ||
588 | // awk added - fixed no recording due to muted widget | |
589 | unmute_input(codec, adc_node, 0); | |
590 | ||
591 | /* | |
592 | * check each connection of the ADC | |
593 | * if it reaches to a proper input PIN, add the path as the | |
594 | * input path. | |
595 | */ | |
071c73ad | 596 | /* first, check the direct connections to PIN widgets */ |
1da177e4 LT |
597 | for (i = 0; i < adc_node->nconns; i++) { |
598 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
071c73ad | 599 | if (node && node->type == AC_WID_PIN) { |
10a20af7 | 600 | err = parse_adc_sub_nodes(codec, spec, node, i); |
071c73ad TI |
601 | if (err < 0) |
602 | return err; | |
071c73ad TI |
603 | } |
604 | } | |
605 | /* ... then check the rests, more complicated connections */ | |
606 | for (i = 0; i < adc_node->nconns; i++) { | |
607 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
608 | if (node && node->type != AC_WID_PIN) { | |
10a20af7 | 609 | err = parse_adc_sub_nodes(codec, spec, node, i); |
071c73ad TI |
610 | if (err < 0) |
611 | return err; | |
1da177e4 LT |
612 | } |
613 | } | |
614 | ||
615 | if (! spec->input_mux.num_items) | |
616 | return 0; /* no input path found... */ | |
617 | ||
618 | snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); | |
619 | for (i = 0; i < spec->input_mux.num_items; i++) | |
620 | snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, | |
621 | spec->input_mux.items[i].index); | |
622 | ||
623 | spec->adc_node = adc_node; | |
624 | return 1; | |
625 | } | |
626 | ||
627 | /* | |
628 | * parse input | |
629 | */ | |
630 | static int parse_input(struct hda_codec *codec) | |
631 | { | |
632 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
633 | struct hda_gnode *node; |
634 | int err; | |
635 | ||
636 | /* | |
637 | * At first we look for an audio input widget. | |
638 | * If it reaches to certain input PINs, we take it as the | |
639 | * input path. | |
640 | */ | |
33206e86 | 641 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
642 | if (node->wid_caps & AC_WCAP_DIGITAL) |
643 | continue; /* skip SPDIF */ | |
644 | if (node->type == AC_WID_AUD_IN) { | |
645 | err = parse_input_path(codec, node); | |
646 | if (err < 0) | |
647 | return err; | |
648 | else if (err > 0) | |
649 | return 0; | |
650 | } | |
651 | } | |
652 | snd_printd("hda_generic: no proper input path found\n"); | |
653 | return 0; | |
654 | } | |
655 | ||
cb53c626 TI |
656 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
657 | static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid, | |
658 | int dir, int idx) | |
659 | { | |
660 | struct hda_gspec *spec = codec->spec; | |
661 | struct hda_amp_list *p; | |
662 | ||
663 | if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) { | |
664 | snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n"); | |
665 | return; | |
666 | } | |
667 | p = &spec->loopback_list[spec->num_loopbacks++]; | |
668 | p->nid = nid; | |
669 | p->dir = dir; | |
670 | p->idx = idx; | |
671 | spec->loopback.amplist = spec->loopback_list; | |
672 | } | |
673 | #else | |
674 | #define add_input_loopback(codec,nid,dir,idx) | |
675 | #endif | |
676 | ||
1da177e4 LT |
677 | /* |
678 | * create mixer controls if possible | |
679 | */ | |
1da177e4 | 680 | static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, |
cb53c626 TI |
681 | unsigned int index, const char *type, |
682 | const char *dir_sfx, int is_loopback) | |
1da177e4 LT |
683 | { |
684 | char name[32]; | |
685 | int err; | |
686 | int created = 0; | |
c8b6bf9b | 687 | struct snd_kcontrol_new knew; |
1da177e4 LT |
688 | |
689 | if (type) | |
690 | sprintf(name, "%s %s Switch", type, dir_sfx); | |
691 | else | |
692 | sprintf(name, "%s Switch", dir_sfx); | |
693 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
694 | (node->amp_in_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 695 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); |
cb53c626 TI |
696 | if (is_loopback) |
697 | add_input_loopback(codec, node->nid, HDA_INPUT, index); | |
1da177e4 | 698 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
3911a4c1 JK |
699 | err = snd_hda_ctl_add(codec, node->nid, |
700 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 701 | if (err < 0) |
1da177e4 LT |
702 | return err; |
703 | created = 1; | |
704 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
705 | (node->amp_out_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 706 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); |
cb53c626 TI |
707 | if (is_loopback) |
708 | add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); | |
1da177e4 | 709 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
3911a4c1 JK |
710 | err = snd_hda_ctl_add(codec, node->nid, |
711 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 712 | if (err < 0) |
1da177e4 LT |
713 | return err; |
714 | created = 1; | |
715 | } | |
716 | ||
717 | if (type) | |
718 | sprintf(name, "%s %s Volume", type, dir_sfx); | |
719 | else | |
720 | sprintf(name, "%s Volume", dir_sfx); | |
721 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
722 | (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 723 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); |
1da177e4 | 724 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
3911a4c1 JK |
725 | err = snd_hda_ctl_add(codec, node->nid, |
726 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 727 | if (err < 0) |
1da177e4 LT |
728 | return err; |
729 | created = 1; | |
730 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
731 | (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 732 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); |
1da177e4 | 733 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
3911a4c1 JK |
734 | err = snd_hda_ctl_add(codec, node->nid, |
735 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 736 | if (err < 0) |
1da177e4 LT |
737 | return err; |
738 | created = 1; | |
739 | } | |
740 | ||
741 | return created; | |
742 | } | |
743 | ||
744 | /* | |
745 | * check whether the controls with the given name and direction suffix already exist | |
746 | */ | |
747 | static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) | |
748 | { | |
c8b6bf9b | 749 | struct snd_ctl_elem_id id; |
1da177e4 LT |
750 | memset(&id, 0, sizeof(id)); |
751 | sprintf(id.name, "%s %s Volume", type, dir); | |
752 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
753 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
754 | return 1; | |
755 | sprintf(id.name, "%s %s Switch", type, dir); | |
756 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
757 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
758 | return 1; | |
759 | return 0; | |
760 | } | |
761 | ||
762 | /* | |
763 | * build output mixer controls | |
764 | */ | |
ea734963 TI |
765 | static int create_output_mixers(struct hda_codec *codec, |
766 | const char * const *names) | |
1da177e4 LT |
767 | { |
768 | struct hda_gspec *spec = codec->spec; | |
97ec558a | 769 | int i, err; |
1da177e4 | 770 | |
a7da6ce5 TI |
771 | for (i = 0; i < spec->pcm_vol_nodes; i++) { |
772 | err = create_mixer(codec, spec->pcm_vol[i].node, | |
773 | spec->pcm_vol[i].index, | |
cb53c626 | 774 | names[i], "Playback", 0); |
97ec558a TI |
775 | if (err < 0) |
776 | return err; | |
777 | } | |
1da177e4 LT |
778 | return 0; |
779 | } | |
780 | ||
a7da6ce5 TI |
781 | static int build_output_controls(struct hda_codec *codec) |
782 | { | |
783 | struct hda_gspec *spec = codec->spec; | |
ea734963 TI |
784 | static const char * const types_speaker[] = { "Speaker", "Headphone" }; |
785 | static const char * const types_line[] = { "Front", "Headphone" }; | |
a7da6ce5 TI |
786 | |
787 | switch (spec->pcm_vol_nodes) { | |
788 | case 1: | |
789 | return create_mixer(codec, spec->pcm_vol[0].node, | |
790 | spec->pcm_vol[0].index, | |
cb53c626 | 791 | "Master", "Playback", 0); |
a7da6ce5 TI |
792 | case 2: |
793 | if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER) | |
794 | return create_output_mixers(codec, types_speaker); | |
795 | else | |
796 | return create_output_mixers(codec, types_line); | |
797 | } | |
798 | return 0; | |
799 | } | |
800 | ||
1da177e4 LT |
801 | /* create capture volume/switch */ |
802 | static int build_input_controls(struct hda_codec *codec) | |
803 | { | |
804 | struct hda_gspec *spec = codec->spec; | |
805 | struct hda_gnode *adc_node = spec->adc_node; | |
071c73ad TI |
806 | int i, err; |
807 | static struct snd_kcontrol_new cap_sel = { | |
808 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
809 | .name = "Capture Source", | |
810 | .info = capture_source_info, | |
811 | .get = capture_source_get, | |
812 | .put = capture_source_put, | |
813 | }; | |
814 | ||
815 | if (! adc_node || ! spec->input_mux.num_items) | |
1da177e4 LT |
816 | return 0; /* not found */ |
817 | ||
071c73ad TI |
818 | spec->cur_cap_src = 0; |
819 | select_input_connection(codec, adc_node, | |
820 | spec->input_mux.items[0].index); | |
821 | ||
1da177e4 | 822 | /* create capture volume and switch controls if the ADC has an amp */ |
071c73ad TI |
823 | /* do we have only a single item? */ |
824 | if (spec->input_mux.num_items == 1) { | |
825 | err = create_mixer(codec, adc_node, | |
826 | spec->input_mux.items[0].index, | |
cb53c626 | 827 | NULL, "Capture", 0); |
071c73ad TI |
828 | if (err < 0) |
829 | return err; | |
830 | return 0; | |
831 | } | |
1da177e4 LT |
832 | |
833 | /* create input MUX if multiple sources are available */ | |
5b0cb1d8 JK |
834 | err = snd_hda_ctl_add(codec, spec->adc_node->nid, |
835 | snd_ctl_new1(&cap_sel, codec)); | |
d13bd412 | 836 | if (err < 0) |
071c73ad TI |
837 | return err; |
838 | ||
839 | /* no volume control? */ | |
840 | if (! (adc_node->wid_caps & AC_WCAP_IN_AMP) || | |
841 | ! (adc_node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) | |
842 | return 0; | |
843 | ||
844 | for (i = 0; i < spec->input_mux.num_items; i++) { | |
845 | struct snd_kcontrol_new knew; | |
846 | char name[32]; | |
847 | sprintf(name, "%s Capture Volume", | |
848 | spec->input_mux.items[i].label); | |
849 | knew = (struct snd_kcontrol_new) | |
850 | HDA_CODEC_VOLUME(name, adc_node->nid, | |
851 | spec->input_mux.items[i].index, | |
852 | HDA_INPUT); | |
3911a4c1 JK |
853 | err = snd_hda_ctl_add(codec, adc_node->nid, |
854 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 855 | if (err < 0) |
1da177e4 | 856 | return err; |
1da177e4 | 857 | } |
071c73ad | 858 | |
1da177e4 LT |
859 | return 0; |
860 | } | |
861 | ||
862 | ||
863 | /* | |
864 | * parse the nodes recursively until reach to the output PIN. | |
865 | * | |
866 | * returns 0 - if not found, | |
867 | * 1 - if found, but no mixer is created | |
868 | * 2 - if found and mixer was already created, (just skip) | |
869 | * a negative error code | |
870 | */ | |
871 | static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, | |
872 | struct hda_gnode *node, struct hda_gnode *dest_node, | |
873 | const char *type) | |
874 | { | |
875 | int i, err; | |
876 | ||
877 | if (node->checked) | |
878 | return 0; | |
879 | ||
880 | node->checked = 1; | |
881 | if (node == dest_node) { | |
882 | /* loopback connection found */ | |
883 | return 1; | |
884 | } | |
885 | ||
886 | for (i = 0; i < node->nconns; i++) { | |
887 | struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); | |
888 | if (! child) | |
889 | continue; | |
890 | err = parse_loopback_path(codec, spec, child, dest_node, type); | |
891 | if (err < 0) | |
892 | return err; | |
893 | else if (err >= 1) { | |
894 | if (err == 1) { | |
cb53c626 TI |
895 | err = create_mixer(codec, node, i, type, |
896 | "Playback", 1); | |
1da177e4 LT |
897 | if (err < 0) |
898 | return err; | |
899 | if (err > 0) | |
900 | return 2; /* ok, created */ | |
901 | /* not created, maybe in the lower path */ | |
902 | err = 1; | |
903 | } | |
904 | /* connect and unmute */ | |
905 | if (node->nconns > 1) | |
906 | select_input_connection(codec, node, i); | |
907 | unmute_input(codec, node, i); | |
908 | unmute_output(codec, node); | |
909 | return err; | |
910 | } | |
911 | } | |
912 | return 0; | |
913 | } | |
914 | ||
915 | /* | |
916 | * parse the tree and build the loopback controls | |
917 | */ | |
918 | static int build_loopback_controls(struct hda_codec *codec) | |
919 | { | |
920 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
921 | struct hda_gnode *node; |
922 | int err; | |
923 | const char *type; | |
924 | ||
97ec558a | 925 | if (! spec->out_pin_node[0]) |
1da177e4 LT |
926 | return 0; |
927 | ||
33206e86 | 928 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
929 | if (node->type != AC_WID_PIN) |
930 | continue; | |
931 | /* input capable? */ | |
932 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
933 | return 0; | |
934 | type = get_input_type(node, NULL); | |
935 | if (type) { | |
936 | if (check_existing_control(codec, type, "Playback")) | |
937 | continue; | |
938 | clear_check_flags(spec); | |
97ec558a TI |
939 | err = parse_loopback_path(codec, spec, |
940 | spec->out_pin_node[0], | |
1da177e4 LT |
941 | node, type); |
942 | if (err < 0) | |
943 | return err; | |
944 | if (! err) | |
945 | continue; | |
946 | } | |
947 | } | |
948 | return 0; | |
949 | } | |
950 | ||
951 | /* | |
952 | * build mixer controls | |
953 | */ | |
954 | static int build_generic_controls(struct hda_codec *codec) | |
955 | { | |
956 | int err; | |
957 | ||
958 | if ((err = build_input_controls(codec)) < 0 || | |
959 | (err = build_output_controls(codec)) < 0 || | |
960 | (err = build_loopback_controls(codec)) < 0) | |
961 | return err; | |
962 | ||
963 | return 0; | |
964 | } | |
965 | ||
966 | /* | |
967 | * PCM | |
968 | */ | |
969 | static struct hda_pcm_stream generic_pcm_playback = { | |
970 | .substreams = 1, | |
971 | .channels_min = 2, | |
972 | .channels_max = 2, | |
973 | }; | |
974 | ||
97ec558a TI |
975 | static int generic_pcm2_prepare(struct hda_pcm_stream *hinfo, |
976 | struct hda_codec *codec, | |
977 | unsigned int stream_tag, | |
978 | unsigned int format, | |
979 | struct snd_pcm_substream *substream) | |
980 | { | |
981 | struct hda_gspec *spec = codec->spec; | |
982 | ||
983 | snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); | |
984 | snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, | |
985 | stream_tag, 0, format); | |
986 | return 0; | |
987 | } | |
988 | ||
989 | static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo, | |
990 | struct hda_codec *codec, | |
991 | struct snd_pcm_substream *substream) | |
992 | { | |
993 | struct hda_gspec *spec = codec->spec; | |
994 | ||
888afa15 TI |
995 | snd_hda_codec_cleanup_stream(codec, hinfo->nid); |
996 | snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid); | |
97ec558a TI |
997 | return 0; |
998 | } | |
999 | ||
1da177e4 LT |
1000 | static int build_generic_pcms(struct hda_codec *codec) |
1001 | { | |
1002 | struct hda_gspec *spec = codec->spec; | |
1003 | struct hda_pcm *info = &spec->pcm_rec; | |
1004 | ||
97ec558a | 1005 | if (! spec->dac_node[0] && ! spec->adc_node) { |
1da177e4 LT |
1006 | snd_printd("hda_generic: no PCM found\n"); |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | codec->num_pcms = 1; | |
1011 | codec->pcm_info = info; | |
1012 | ||
1013 | info->name = "HDA Generic"; | |
97ec558a | 1014 | if (spec->dac_node[0]) { |
1da177e4 | 1015 | info->stream[0] = generic_pcm_playback; |
97ec558a TI |
1016 | info->stream[0].nid = spec->dac_node[0]->nid; |
1017 | if (spec->dac_node[1]) { | |
1018 | info->stream[0].ops.prepare = generic_pcm2_prepare; | |
1019 | info->stream[0].ops.cleanup = generic_pcm2_cleanup; | |
1020 | } | |
1da177e4 LT |
1021 | } |
1022 | if (spec->adc_node) { | |
1023 | info->stream[1] = generic_pcm_playback; | |
1024 | info->stream[1].nid = spec->adc_node->nid; | |
1025 | } | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
cb53c626 TI |
1030 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
1031 | static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid) | |
1032 | { | |
1033 | struct hda_gspec *spec = codec->spec; | |
1034 | return snd_hda_check_amp_list_power(codec, &spec->loopback, nid); | |
1035 | } | |
1036 | #endif | |
1037 | ||
1da177e4 LT |
1038 | |
1039 | /* | |
1040 | */ | |
1041 | static struct hda_codec_ops generic_patch_ops = { | |
1042 | .build_controls = build_generic_controls, | |
1043 | .build_pcms = build_generic_pcms, | |
1044 | .free = snd_hda_generic_free, | |
cb53c626 TI |
1045 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
1046 | .check_power_status = generic_check_power_status, | |
1047 | #endif | |
1da177e4 LT |
1048 | }; |
1049 | ||
1050 | /* | |
1051 | * the generic parser | |
1052 | */ | |
1053 | int snd_hda_parse_generic_codec(struct hda_codec *codec) | |
1054 | { | |
1055 | struct hda_gspec *spec; | |
1056 | int err; | |
1057 | ||
84802f0d SK |
1058 | if(!codec->afg) |
1059 | return 0; | |
673b683a | 1060 | |
e560d8d8 | 1061 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
1da177e4 LT |
1062 | if (spec == NULL) { |
1063 | printk(KERN_ERR "hda_generic: can't allocate spec\n"); | |
1064 | return -ENOMEM; | |
1065 | } | |
1066 | codec->spec = spec; | |
1067 | INIT_LIST_HEAD(&spec->nid_list); | |
1068 | ||
1069 | if ((err = build_afg_tree(codec)) < 0) | |
1070 | goto error; | |
1071 | ||
1072 | if ((err = parse_input(codec)) < 0 || | |
1073 | (err = parse_output(codec)) < 0) | |
1074 | goto error; | |
1075 | ||
1076 | codec->patch_ops = generic_patch_ops; | |
1077 | ||
1078 | return 0; | |
1079 | ||
1080 | error: | |
1081 | snd_hda_generic_free(codec); | |
1082 | return err; | |
1083 | } | |
1289e9e8 | 1084 | EXPORT_SYMBOL(snd_hda_parse_generic_codec); |