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> | |
d81a6d71 | 25 | #include <linux/export.h> |
1da177e4 LT |
26 | #include <sound/core.h> |
27 | #include "hda_codec.h" | |
28 | #include "hda_local.h" | |
29 | ||
30 | /* widget node for parsing */ | |
31 | struct hda_gnode { | |
32 | hda_nid_t nid; /* NID of this widget */ | |
33 | unsigned short nconns; /* number of input connections */ | |
d2569505 TI |
34 | hda_nid_t *conn_list; |
35 | hda_nid_t slist[2]; /* temporay list */ | |
1da177e4 LT |
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 */ |
a7da6ce5 TI |
48 | |
49 | #define MAX_PCM_VOLS 2 | |
50 | struct pcm_vol { | |
51 | struct hda_gnode *node; /* Node for PCM volume */ | |
52 | unsigned int index; /* connection of PCM volume */ | |
53 | }; | |
54 | ||
1da177e4 | 55 | struct hda_gspec { |
97ec558a TI |
56 | struct hda_gnode *dac_node[2]; /* DAC node */ |
57 | struct hda_gnode *out_pin_node[2]; /* Output pin (Line-Out) node */ | |
a7da6ce5 TI |
58 | struct pcm_vol pcm_vol[MAX_PCM_VOLS]; /* PCM volumes */ |
59 | unsigned int pcm_vol_nodes; /* number of PCM volumes */ | |
1da177e4 LT |
60 | |
61 | struct hda_gnode *adc_node; /* ADC node */ | |
62 | struct hda_gnode *cap_vol_node; /* Node for capture volume */ | |
63 | unsigned int cur_cap_src; /* current capture source */ | |
64 | struct hda_input_mux input_mux; | |
1da177e4 LT |
65 | |
66 | unsigned int def_amp_in_caps; | |
67 | unsigned int def_amp_out_caps; | |
68 | ||
69 | struct hda_pcm pcm_rec; /* PCM information */ | |
70 | ||
71 | struct list_head nid_list; /* list of widgets */ | |
cb53c626 | 72 | |
83012a7c | 73 | #ifdef CONFIG_PM |
cb53c626 TI |
74 | #define MAX_LOOPBACK_AMPS 7 |
75 | struct hda_loopback_check loopback; | |
76 | int num_loopbacks; | |
77 | struct hda_amp_list loopback_list[MAX_LOOPBACK_AMPS + 1]; | |
78 | #endif | |
1da177e4 LT |
79 | }; |
80 | ||
81 | /* | |
82 | * retrieve the default device type from the default config value | |
83 | */ | |
97ec558a TI |
84 | #define defcfg_type(node) (((node)->def_cfg & AC_DEFCFG_DEVICE) >> \ |
85 | AC_DEFCFG_DEVICE_SHIFT) | |
86 | #define defcfg_location(node) (((node)->def_cfg & AC_DEFCFG_LOCATION) >> \ | |
87 | AC_DEFCFG_LOCATION_SHIFT) | |
88 | #define defcfg_port_conn(node) (((node)->def_cfg & AC_DEFCFG_PORT_CONN) >> \ | |
89 | AC_DEFCFG_PORT_CONN_SHIFT) | |
1da177e4 LT |
90 | |
91 | /* | |
92 | * destructor | |
93 | */ | |
94 | static void snd_hda_generic_free(struct hda_codec *codec) | |
95 | { | |
96 | struct hda_gspec *spec = codec->spec; | |
33206e86 | 97 | struct hda_gnode *node, *n; |
1da177e4 LT |
98 | |
99 | if (! spec) | |
100 | return; | |
101 | /* free all widgets */ | |
33206e86 | 102 | list_for_each_entry_safe(node, n, &spec->nid_list, list) { |
d2569505 TI |
103 | if (node->conn_list != node->slist) |
104 | kfree(node->conn_list); | |
1da177e4 LT |
105 | kfree(node); |
106 | } | |
107 | kfree(spec); | |
108 | } | |
109 | ||
110 | ||
111 | /* | |
112 | * add a new widget node and read its attributes | |
113 | */ | |
114 | static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid_t nid) | |
115 | { | |
116 | struct hda_gnode *node; | |
117 | int nconns; | |
d2569505 | 118 | hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; |
1da177e4 | 119 | |
e560d8d8 | 120 | node = kzalloc(sizeof(*node), GFP_KERNEL); |
1da177e4 LT |
121 | if (node == NULL) |
122 | return -ENOMEM; | |
123 | node->nid = nid; | |
05296048 | 124 | node->wid_caps = get_wcaps(codec, nid); |
a22d543a | 125 | node->type = get_wcaps_type(node->wid_caps); |
254da007 | 126 | if (node->wid_caps & AC_WCAP_CONN_LIST) { |
05296048 JK |
127 | nconns = snd_hda_get_connections(codec, nid, conn_list, |
128 | HDA_MAX_CONNECTIONS); | |
129 | if (nconns < 0) { | |
130 | kfree(node); | |
131 | return nconns; | |
132 | } | |
133 | } else { | |
134 | nconns = 0; | |
1da177e4 | 135 | } |
d2569505 TI |
136 | if (nconns <= ARRAY_SIZE(node->slist)) |
137 | node->conn_list = node->slist; | |
138 | else { | |
139 | node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, | |
140 | GFP_KERNEL); | |
141 | if (! node->conn_list) { | |
142 | snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); | |
143 | kfree(node); | |
144 | return -ENOMEM; | |
145 | } | |
146 | } | |
0bbed758 | 147 | memcpy(node->conn_list, conn_list, nconns * sizeof(hda_nid_t)); |
1da177e4 | 148 | node->nconns = nconns; |
1da177e4 LT |
149 | |
150 | if (node->type == AC_WID_PIN) { | |
1327a32b | 151 | node->pin_caps = snd_hda_query_pin_caps(codec, node->nid); |
1da177e4 | 152 | node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); |
c17a1aba | 153 | node->def_cfg = snd_hda_codec_get_pincfg(codec, node->nid); |
1da177e4 LT |
154 | } |
155 | ||
156 | if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
157 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
158 | node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); | |
159 | if (! node->amp_out_caps) | |
160 | node->amp_out_caps = spec->def_amp_out_caps; | |
161 | } | |
162 | if (node->wid_caps & AC_WCAP_IN_AMP) { | |
163 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
164 | node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); | |
165 | if (! node->amp_in_caps) | |
166 | node->amp_in_caps = spec->def_amp_in_caps; | |
167 | } | |
168 | list_add_tail(&node->list, &spec->nid_list); | |
169 | return 0; | |
170 | } | |
171 | ||
172 | /* | |
173 | * build the AFG subtree | |
174 | */ | |
175 | static int build_afg_tree(struct hda_codec *codec) | |
176 | { | |
177 | struct hda_gspec *spec = codec->spec; | |
178 | int i, nodes, err; | |
179 | hda_nid_t nid; | |
180 | ||
da3cec35 TI |
181 | if (snd_BUG_ON(!spec)) |
182 | return -EINVAL; | |
1da177e4 LT |
183 | |
184 | spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); | |
185 | spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); | |
186 | ||
187 | nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); | |
188 | if (! nid || nodes < 0) { | |
189 | printk(KERN_ERR "Invalid AFG subtree\n"); | |
190 | return -EINVAL; | |
191 | } | |
192 | ||
193 | /* parse all nodes belonging to the AFG */ | |
194 | for (i = 0; i < nodes; i++, nid++) { | |
195 | if ((err = add_new_node(codec, spec, nid)) < 0) | |
196 | return err; | |
197 | } | |
198 | ||
199 | return 0; | |
200 | } | |
201 | ||
202 | ||
203 | /* | |
204 | * look for the node record for the given NID | |
205 | */ | |
206 | /* FIXME: should avoid the braindead linear search */ | |
207 | static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) | |
208 | { | |
1da177e4 LT |
209 | struct hda_gnode *node; |
210 | ||
33206e86 | 211 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
212 | if (node->nid == nid) |
213 | return node; | |
214 | } | |
215 | return NULL; | |
216 | } | |
217 | ||
218 | /* | |
219 | * unmute (and set max vol) the output amplifier | |
220 | */ | |
221 | static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) | |
222 | { | |
223 | unsigned int val, ofs; | |
224 | snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); | |
225 | val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
226 | ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
227 | if (val >= ofs) | |
228 | val -= ofs; | |
47fd830a | 229 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_OUTPUT, 0, 0xff, val); |
82beb8fd | 230 | return 0; |
1da177e4 LT |
231 | } |
232 | ||
233 | /* | |
234 | * unmute (and set max vol) the input amplifier | |
235 | */ | |
236 | static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) | |
237 | { | |
238 | unsigned int val, ofs; | |
239 | snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); | |
240 | val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
241 | ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
242 | if (val >= ofs) | |
243 | val -= ofs; | |
47fd830a | 244 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_INPUT, index, 0xff, val); |
82beb8fd | 245 | return 0; |
1da177e4 LT |
246 | } |
247 | ||
248 | /* | |
249 | * select the input connection of the given node. | |
250 | */ | |
251 | static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, | |
252 | unsigned int index) | |
253 | { | |
254 | snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); | |
82beb8fd TI |
255 | return snd_hda_codec_write_cache(codec, node->nid, 0, |
256 | AC_VERB_SET_CONNECT_SEL, index); | |
1da177e4 LT |
257 | } |
258 | ||
259 | /* | |
260 | * clear checked flag of each node in the node list | |
261 | */ | |
262 | static void clear_check_flags(struct hda_gspec *spec) | |
263 | { | |
1da177e4 LT |
264 | struct hda_gnode *node; |
265 | ||
33206e86 | 266 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
267 | node->checked = 0; |
268 | } | |
269 | } | |
270 | ||
271 | /* | |
272 | * parse the output path recursively until reach to an audio output widget | |
273 | * | |
274 | * returns 0 if not found, 1 if found, or a negative error code. | |
275 | */ | |
276 | static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, | |
97ec558a | 277 | struct hda_gnode *node, int dac_idx) |
1da177e4 LT |
278 | { |
279 | int i, err; | |
280 | struct hda_gnode *child; | |
281 | ||
282 | if (node->checked) | |
283 | return 0; | |
284 | ||
285 | node->checked = 1; | |
286 | if (node->type == AC_WID_AUD_OUT) { | |
287 | if (node->wid_caps & AC_WCAP_DIGITAL) { | |
288 | snd_printdd("Skip Digital OUT node %x\n", node->nid); | |
289 | return 0; | |
290 | } | |
291 | snd_printdd("AUD_OUT found %x\n", node->nid); | |
97ec558a | 292 | if (spec->dac_node[dac_idx]) { |
1da177e4 | 293 | /* already DAC node is assigned, just unmute & connect */ |
97ec558a | 294 | return node == spec->dac_node[dac_idx]; |
1da177e4 | 295 | } |
97ec558a | 296 | spec->dac_node[dac_idx] = node; |
a7da6ce5 TI |
297 | if ((node->wid_caps & AC_WCAP_OUT_AMP) && |
298 | spec->pcm_vol_nodes < MAX_PCM_VOLS) { | |
299 | spec->pcm_vol[spec->pcm_vol_nodes].node = node; | |
300 | spec->pcm_vol[spec->pcm_vol_nodes].index = 0; | |
301 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
302 | } |
303 | return 1; /* found */ | |
304 | } | |
305 | ||
306 | for (i = 0; i < node->nconns; i++) { | |
307 | child = hda_get_node(spec, node->conn_list[i]); | |
308 | if (! child) | |
309 | continue; | |
97ec558a | 310 | err = parse_output_path(codec, spec, child, dac_idx); |
1da177e4 LT |
311 | if (err < 0) |
312 | return err; | |
313 | else if (err > 0) { | |
314 | /* found one, | |
315 | * select the path, unmute both input and output | |
316 | */ | |
317 | if (node->nconns > 1) | |
318 | select_input_connection(codec, node, i); | |
319 | unmute_input(codec, node, i); | |
320 | unmute_output(codec, node); | |
a7da6ce5 TI |
321 | if (spec->dac_node[dac_idx] && |
322 | spec->pcm_vol_nodes < MAX_PCM_VOLS && | |
323 | !(spec->dac_node[dac_idx]->wid_caps & | |
324 | AC_WCAP_OUT_AMP)) { | |
325 | if ((node->wid_caps & AC_WCAP_IN_AMP) || | |
326 | (node->wid_caps & AC_WCAP_OUT_AMP)) { | |
327 | int n = spec->pcm_vol_nodes; | |
328 | spec->pcm_vol[n].node = node; | |
329 | spec->pcm_vol[n].index = i; | |
330 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
331 | } |
332 | } | |
333 | return 1; | |
334 | } | |
335 | } | |
336 | return 0; | |
337 | } | |
338 | ||
339 | /* | |
340 | * Look for the output PIN widget with the given jack type | |
341 | * and parse the output path to that PIN. | |
342 | * | |
343 | * Returns the PIN node when the path to DAC is established. | |
344 | */ | |
345 | static struct hda_gnode *parse_output_jack(struct hda_codec *codec, | |
346 | struct hda_gspec *spec, | |
347 | int jack_type) | |
348 | { | |
1da177e4 LT |
349 | struct hda_gnode *node; |
350 | int err; | |
351 | ||
33206e86 | 352 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
353 | if (node->type != AC_WID_PIN) |
354 | continue; | |
355 | /* output capable? */ | |
356 | if (! (node->pin_caps & AC_PINCAP_OUT)) | |
357 | continue; | |
97ec558a TI |
358 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
359 | continue; /* unconnected */ | |
1da177e4 | 360 | if (jack_type >= 0) { |
e9edcee0 | 361 | if (jack_type != defcfg_type(node)) |
1da177e4 LT |
362 | continue; |
363 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
364 | continue; /* skip SPDIF */ | |
365 | } else { | |
366 | /* output as default? */ | |
367 | if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) | |
368 | continue; | |
369 | } | |
370 | clear_check_flags(spec); | |
97ec558a | 371 | err = parse_output_path(codec, spec, node, 0); |
1da177e4 LT |
372 | if (err < 0) |
373 | return NULL; | |
97ec558a TI |
374 | if (! err && spec->out_pin_node[0]) { |
375 | err = parse_output_path(codec, spec, node, 1); | |
376 | if (err < 0) | |
377 | return NULL; | |
378 | } | |
379 | if (err > 0) { | |
1da177e4 LT |
380 | /* unmute the PIN output */ |
381 | unmute_output(codec, node); | |
382 | /* set PIN-Out enable */ | |
82beb8fd | 383 | snd_hda_codec_write_cache(codec, node->nid, 0, |
1da177e4 | 384 | AC_VERB_SET_PIN_WIDGET_CONTROL, |
a7da6ce5 TI |
385 | AC_PINCTL_OUT_EN | |
386 | ((node->pin_caps & AC_PINCAP_HP_DRV) ? | |
387 | AC_PINCTL_HP_EN : 0)); | |
1da177e4 LT |
388 | return node; |
389 | } | |
390 | } | |
391 | return NULL; | |
392 | } | |
393 | ||
394 | ||
395 | /* | |
396 | * parse outputs | |
397 | */ | |
398 | static int parse_output(struct hda_codec *codec) | |
399 | { | |
400 | struct hda_gspec *spec = codec->spec; | |
401 | struct hda_gnode *node; | |
402 | ||
403 | /* | |
404 | * Look for the output PIN widget | |
405 | */ | |
406 | /* first, look for the line-out pin */ | |
407 | node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); | |
408 | if (node) /* found, remember the PIN node */ | |
97ec558a TI |
409 | spec->out_pin_node[0] = node; |
410 | else { | |
411 | /* if no line-out is found, try speaker out */ | |
412 | node = parse_output_jack(codec, spec, AC_JACK_SPEAKER); | |
413 | if (node) | |
414 | spec->out_pin_node[0] = node; | |
415 | } | |
1da177e4 LT |
416 | /* look for the HP-out pin */ |
417 | node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); | |
418 | if (node) { | |
97ec558a TI |
419 | if (! spec->out_pin_node[0]) |
420 | spec->out_pin_node[0] = node; | |
421 | else | |
422 | spec->out_pin_node[1] = node; | |
1da177e4 LT |
423 | } |
424 | ||
97ec558a | 425 | if (! spec->out_pin_node[0]) { |
1da177e4 LT |
426 | /* no line-out or HP pins found, |
427 | * then choose for the first output pin | |
428 | */ | |
97ec558a TI |
429 | spec->out_pin_node[0] = parse_output_jack(codec, spec, -1); |
430 | if (! spec->out_pin_node[0]) | |
1da177e4 LT |
431 | snd_printd("hda_generic: no proper output path found\n"); |
432 | } | |
433 | ||
434 | return 0; | |
435 | } | |
436 | ||
437 | /* | |
438 | * input MUX | |
439 | */ | |
440 | ||
441 | /* control callbacks */ | |
c8b6bf9b | 442 | static int capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
443 | { |
444 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
445 | struct hda_gspec *spec = codec->spec; | |
446 | return snd_hda_input_mux_info(&spec->input_mux, uinfo); | |
447 | } | |
448 | ||
c8b6bf9b | 449 | static int capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
450 | { |
451 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
452 | struct hda_gspec *spec = codec->spec; | |
453 | ||
454 | ucontrol->value.enumerated.item[0] = spec->cur_cap_src; | |
455 | return 0; | |
456 | } | |
457 | ||
c8b6bf9b | 458 | static int capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
459 | { |
460 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
461 | struct hda_gspec *spec = codec->spec; | |
462 | return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, | |
463 | spec->adc_node->nid, &spec->cur_cap_src); | |
464 | } | |
465 | ||
466 | /* | |
467 | * return the string name of the given input PIN widget | |
468 | */ | |
469 | static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) | |
470 | { | |
e9edcee0 TI |
471 | unsigned int location = defcfg_location(node); |
472 | switch (defcfg_type(node)) { | |
1da177e4 LT |
473 | case AC_JACK_LINE_IN: |
474 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
475 | return "Front Line"; | |
476 | return "Line"; | |
477 | case AC_JACK_CD: | |
071c73ad | 478 | #if 0 |
1da177e4 | 479 | if (pinctl) |
1a12de1e | 480 | *pinctl |= AC_PINCTL_VREF_GRD; |
071c73ad | 481 | #endif |
1da177e4 LT |
482 | return "CD"; |
483 | case AC_JACK_AUX: | |
484 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
485 | return "Front Aux"; | |
486 | return "Aux"; | |
487 | case AC_JACK_MIC_IN: | |
6afeb11d TI |
488 | if (pinctl && |
489 | (node->pin_caps & | |
490 | (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))) | |
071c73ad | 491 | *pinctl |= AC_PINCTL_VREF_80; |
1da177e4 LT |
492 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) |
493 | return "Front Mic"; | |
494 | return "Mic"; | |
495 | case AC_JACK_SPDIF_IN: | |
496 | return "SPDIF"; | |
497 | case AC_JACK_DIG_OTHER_IN: | |
498 | return "Digital"; | |
499 | } | |
500 | return NULL; | |
501 | } | |
502 | ||
503 | /* | |
504 | * parse the nodes recursively until reach to the input PIN | |
505 | * | |
506 | * returns 0 if not found, 1 if found, or a negative error code. | |
507 | */ | |
508 | static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, | |
10a20af7 | 509 | struct hda_gnode *node, int idx) |
1da177e4 LT |
510 | { |
511 | int i, err; | |
512 | unsigned int pinctl; | |
1da177e4 LT |
513 | const char *type; |
514 | ||
515 | if (node->checked) | |
516 | return 0; | |
517 | ||
518 | node->checked = 1; | |
519 | if (node->type != AC_WID_PIN) { | |
520 | for (i = 0; i < node->nconns; i++) { | |
521 | struct hda_gnode *child; | |
522 | child = hda_get_node(spec, node->conn_list[i]); | |
523 | if (! child) | |
524 | continue; | |
10a20af7 | 525 | err = parse_adc_sub_nodes(codec, spec, child, idx); |
1da177e4 LT |
526 | if (err < 0) |
527 | return err; | |
528 | if (err > 0) { | |
529 | /* found one, | |
530 | * select the path, unmute both input and output | |
531 | */ | |
532 | if (node->nconns > 1) | |
533 | select_input_connection(codec, node, i); | |
534 | unmute_input(codec, node, i); | |
535 | unmute_output(codec, node); | |
536 | return err; | |
537 | } | |
538 | } | |
539 | return 0; | |
540 | } | |
541 | ||
542 | /* input capable? */ | |
543 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
544 | return 0; | |
545 | ||
97ec558a TI |
546 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
547 | return 0; /* unconnected */ | |
548 | ||
1da177e4 LT |
549 | if (node->wid_caps & AC_WCAP_DIGITAL) |
550 | return 0; /* skip SPDIF */ | |
551 | ||
552 | if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { | |
553 | snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); | |
554 | return -EINVAL; | |
555 | } | |
556 | ||
557 | pinctl = AC_PINCTL_IN_EN; | |
558 | /* create a proper capture source label */ | |
559 | type = get_input_type(node, &pinctl); | |
560 | if (! type) { | |
561 | /* input as default? */ | |
562 | if (! (node->pin_ctl & AC_PINCTL_IN_EN)) | |
563 | return 0; | |
564 | type = "Input"; | |
565 | } | |
10a20af7 | 566 | snd_hda_add_imux_item(&spec->input_mux, type, idx, NULL); |
1da177e4 LT |
567 | |
568 | /* unmute the PIN external input */ | |
569 | unmute_input(codec, node, 0); /* index = 0? */ | |
570 | /* set PIN-In enable */ | |
82beb8fd TI |
571 | snd_hda_codec_write_cache(codec, node->nid, 0, |
572 | AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); | |
1da177e4 LT |
573 | |
574 | return 1; /* found */ | |
575 | } | |
576 | ||
577 | /* | |
578 | * parse input | |
579 | */ | |
580 | static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) | |
581 | { | |
582 | struct hda_gspec *spec = codec->spec; | |
583 | struct hda_gnode *node; | |
584 | int i, err; | |
585 | ||
586 | snd_printdd("AUD_IN = %x\n", adc_node->nid); | |
587 | clear_check_flags(spec); | |
588 | ||
589 | // awk added - fixed no recording due to muted widget | |
590 | unmute_input(codec, adc_node, 0); | |
591 | ||
592 | /* | |
593 | * check each connection of the ADC | |
594 | * if it reaches to a proper input PIN, add the path as the | |
595 | * input path. | |
596 | */ | |
071c73ad | 597 | /* first, check the direct connections to PIN widgets */ |
1da177e4 LT |
598 | for (i = 0; i < adc_node->nconns; i++) { |
599 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
071c73ad | 600 | if (node && node->type == AC_WID_PIN) { |
10a20af7 | 601 | err = parse_adc_sub_nodes(codec, spec, node, i); |
071c73ad TI |
602 | if (err < 0) |
603 | return err; | |
071c73ad TI |
604 | } |
605 | } | |
606 | /* ... then check the rests, more complicated connections */ | |
607 | for (i = 0; i < adc_node->nconns; i++) { | |
608 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
609 | if (node && node->type != AC_WID_PIN) { | |
10a20af7 | 610 | err = parse_adc_sub_nodes(codec, spec, node, i); |
071c73ad TI |
611 | if (err < 0) |
612 | return err; | |
1da177e4 LT |
613 | } |
614 | } | |
615 | ||
616 | if (! spec->input_mux.num_items) | |
617 | return 0; /* no input path found... */ | |
618 | ||
619 | snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); | |
620 | for (i = 0; i < spec->input_mux.num_items; i++) | |
621 | snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, | |
622 | spec->input_mux.items[i].index); | |
623 | ||
624 | spec->adc_node = adc_node; | |
625 | return 1; | |
626 | } | |
627 | ||
628 | /* | |
629 | * parse input | |
630 | */ | |
631 | static int parse_input(struct hda_codec *codec) | |
632 | { | |
633 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
634 | struct hda_gnode *node; |
635 | int err; | |
636 | ||
637 | /* | |
638 | * At first we look for an audio input widget. | |
639 | * If it reaches to certain input PINs, we take it as the | |
640 | * input path. | |
641 | */ | |
33206e86 | 642 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
643 | if (node->wid_caps & AC_WCAP_DIGITAL) |
644 | continue; /* skip SPDIF */ | |
645 | if (node->type == AC_WID_AUD_IN) { | |
646 | err = parse_input_path(codec, node); | |
647 | if (err < 0) | |
648 | return err; | |
649 | else if (err > 0) | |
650 | return 0; | |
651 | } | |
652 | } | |
653 | snd_printd("hda_generic: no proper input path found\n"); | |
654 | return 0; | |
655 | } | |
656 | ||
83012a7c | 657 | #ifdef CONFIG_PM |
cb53c626 TI |
658 | static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid, |
659 | int dir, int idx) | |
660 | { | |
661 | struct hda_gspec *spec = codec->spec; | |
662 | struct hda_amp_list *p; | |
663 | ||
664 | if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) { | |
665 | snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n"); | |
666 | return; | |
667 | } | |
668 | p = &spec->loopback_list[spec->num_loopbacks++]; | |
669 | p->nid = nid; | |
670 | p->dir = dir; | |
671 | p->idx = idx; | |
672 | spec->loopback.amplist = spec->loopback_list; | |
673 | } | |
674 | #else | |
675 | #define add_input_loopback(codec,nid,dir,idx) | |
676 | #endif | |
677 | ||
1da177e4 LT |
678 | /* |
679 | * create mixer controls if possible | |
680 | */ | |
1da177e4 | 681 | static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, |
cb53c626 TI |
682 | unsigned int index, const char *type, |
683 | const char *dir_sfx, int is_loopback) | |
1da177e4 LT |
684 | { |
685 | char name[32]; | |
686 | int err; | |
687 | int created = 0; | |
c8b6bf9b | 688 | struct snd_kcontrol_new knew; |
1da177e4 LT |
689 | |
690 | if (type) | |
691 | sprintf(name, "%s %s Switch", type, dir_sfx); | |
692 | else | |
693 | sprintf(name, "%s Switch", dir_sfx); | |
694 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
695 | (node->amp_in_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 696 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); |
cb53c626 TI |
697 | if (is_loopback) |
698 | add_input_loopback(codec, node->nid, HDA_INPUT, index); | |
1da177e4 | 699 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
3911a4c1 JK |
700 | err = snd_hda_ctl_add(codec, node->nid, |
701 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 702 | if (err < 0) |
1da177e4 LT |
703 | return err; |
704 | created = 1; | |
705 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
706 | (node->amp_out_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 707 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); |
cb53c626 TI |
708 | if (is_loopback) |
709 | add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); | |
1da177e4 | 710 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
3911a4c1 JK |
711 | err = snd_hda_ctl_add(codec, node->nid, |
712 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 713 | if (err < 0) |
1da177e4 LT |
714 | return err; |
715 | created = 1; | |
716 | } | |
717 | ||
718 | if (type) | |
719 | sprintf(name, "%s %s Volume", type, dir_sfx); | |
720 | else | |
721 | sprintf(name, "%s Volume", dir_sfx); | |
722 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
723 | (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 724 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); |
1da177e4 | 725 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
3911a4c1 JK |
726 | err = snd_hda_ctl_add(codec, node->nid, |
727 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 728 | if (err < 0) |
1da177e4 LT |
729 | return err; |
730 | created = 1; | |
731 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
732 | (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 733 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); |
1da177e4 | 734 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
3911a4c1 JK |
735 | err = snd_hda_ctl_add(codec, node->nid, |
736 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 737 | if (err < 0) |
1da177e4 LT |
738 | return err; |
739 | created = 1; | |
740 | } | |
741 | ||
742 | return created; | |
743 | } | |
744 | ||
745 | /* | |
746 | * check whether the controls with the given name and direction suffix already exist | |
747 | */ | |
748 | static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) | |
749 | { | |
c8b6bf9b | 750 | struct snd_ctl_elem_id id; |
1da177e4 LT |
751 | memset(&id, 0, sizeof(id)); |
752 | sprintf(id.name, "%s %s Volume", type, dir); | |
753 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
754 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
755 | return 1; | |
756 | sprintf(id.name, "%s %s Switch", type, dir); | |
757 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
758 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
759 | return 1; | |
760 | return 0; | |
761 | } | |
762 | ||
763 | /* | |
764 | * build output mixer controls | |
765 | */ | |
ea734963 TI |
766 | static int create_output_mixers(struct hda_codec *codec, |
767 | const char * const *names) | |
1da177e4 LT |
768 | { |
769 | struct hda_gspec *spec = codec->spec; | |
97ec558a | 770 | int i, err; |
1da177e4 | 771 | |
a7da6ce5 TI |
772 | for (i = 0; i < spec->pcm_vol_nodes; i++) { |
773 | err = create_mixer(codec, spec->pcm_vol[i].node, | |
774 | spec->pcm_vol[i].index, | |
cb53c626 | 775 | names[i], "Playback", 0); |
97ec558a TI |
776 | if (err < 0) |
777 | return err; | |
778 | } | |
1da177e4 LT |
779 | return 0; |
780 | } | |
781 | ||
a7da6ce5 TI |
782 | static int build_output_controls(struct hda_codec *codec) |
783 | { | |
784 | struct hda_gspec *spec = codec->spec; | |
ea734963 TI |
785 | static const char * const types_speaker[] = { "Speaker", "Headphone" }; |
786 | static const char * const types_line[] = { "Front", "Headphone" }; | |
a7da6ce5 TI |
787 | |
788 | switch (spec->pcm_vol_nodes) { | |
789 | case 1: | |
790 | return create_mixer(codec, spec->pcm_vol[0].node, | |
791 | spec->pcm_vol[0].index, | |
cb53c626 | 792 | "Master", "Playback", 0); |
a7da6ce5 TI |
793 | case 2: |
794 | if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER) | |
795 | return create_output_mixers(codec, types_speaker); | |
796 | else | |
797 | return create_output_mixers(codec, types_line); | |
798 | } | |
799 | return 0; | |
800 | } | |
801 | ||
1da177e4 LT |
802 | /* create capture volume/switch */ |
803 | static int build_input_controls(struct hda_codec *codec) | |
804 | { | |
805 | struct hda_gspec *spec = codec->spec; | |
806 | struct hda_gnode *adc_node = spec->adc_node; | |
071c73ad TI |
807 | int i, err; |
808 | static struct snd_kcontrol_new cap_sel = { | |
809 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
810 | .name = "Capture Source", | |
811 | .info = capture_source_info, | |
812 | .get = capture_source_get, | |
813 | .put = capture_source_put, | |
814 | }; | |
815 | ||
816 | if (! adc_node || ! spec->input_mux.num_items) | |
1da177e4 LT |
817 | return 0; /* not found */ |
818 | ||
071c73ad TI |
819 | spec->cur_cap_src = 0; |
820 | select_input_connection(codec, adc_node, | |
821 | spec->input_mux.items[0].index); | |
822 | ||
1da177e4 | 823 | /* create capture volume and switch controls if the ADC has an amp */ |
071c73ad TI |
824 | /* do we have only a single item? */ |
825 | if (spec->input_mux.num_items == 1) { | |
826 | err = create_mixer(codec, adc_node, | |
827 | spec->input_mux.items[0].index, | |
cb53c626 | 828 | NULL, "Capture", 0); |
071c73ad TI |
829 | if (err < 0) |
830 | return err; | |
831 | return 0; | |
832 | } | |
1da177e4 LT |
833 | |
834 | /* create input MUX if multiple sources are available */ | |
5b0cb1d8 JK |
835 | err = snd_hda_ctl_add(codec, spec->adc_node->nid, |
836 | snd_ctl_new1(&cap_sel, codec)); | |
d13bd412 | 837 | if (err < 0) |
071c73ad TI |
838 | return err; |
839 | ||
840 | /* no volume control? */ | |
841 | if (! (adc_node->wid_caps & AC_WCAP_IN_AMP) || | |
842 | ! (adc_node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) | |
843 | return 0; | |
844 | ||
845 | for (i = 0; i < spec->input_mux.num_items; i++) { | |
846 | struct snd_kcontrol_new knew; | |
847 | char name[32]; | |
848 | sprintf(name, "%s Capture Volume", | |
849 | spec->input_mux.items[i].label); | |
850 | knew = (struct snd_kcontrol_new) | |
851 | HDA_CODEC_VOLUME(name, adc_node->nid, | |
852 | spec->input_mux.items[i].index, | |
853 | HDA_INPUT); | |
3911a4c1 JK |
854 | err = snd_hda_ctl_add(codec, adc_node->nid, |
855 | snd_ctl_new1(&knew, codec)); | |
d13bd412 | 856 | if (err < 0) |
1da177e4 | 857 | return err; |
1da177e4 | 858 | } |
071c73ad | 859 | |
1da177e4 LT |
860 | return 0; |
861 | } | |
862 | ||
863 | ||
864 | /* | |
865 | * parse the nodes recursively until reach to the output PIN. | |
866 | * | |
867 | * returns 0 - if not found, | |
868 | * 1 - if found, but no mixer is created | |
869 | * 2 - if found and mixer was already created, (just skip) | |
870 | * a negative error code | |
871 | */ | |
872 | static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, | |
873 | struct hda_gnode *node, struct hda_gnode *dest_node, | |
874 | const char *type) | |
875 | { | |
876 | int i, err; | |
877 | ||
878 | if (node->checked) | |
879 | return 0; | |
880 | ||
881 | node->checked = 1; | |
882 | if (node == dest_node) { | |
883 | /* loopback connection found */ | |
884 | return 1; | |
885 | } | |
886 | ||
887 | for (i = 0; i < node->nconns; i++) { | |
888 | struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); | |
889 | if (! child) | |
890 | continue; | |
891 | err = parse_loopback_path(codec, spec, child, dest_node, type); | |
892 | if (err < 0) | |
893 | return err; | |
894 | else if (err >= 1) { | |
895 | if (err == 1) { | |
cb53c626 TI |
896 | err = create_mixer(codec, node, i, type, |
897 | "Playback", 1); | |
1da177e4 LT |
898 | if (err < 0) |
899 | return err; | |
900 | if (err > 0) | |
901 | return 2; /* ok, created */ | |
902 | /* not created, maybe in the lower path */ | |
903 | err = 1; | |
904 | } | |
905 | /* connect and unmute */ | |
906 | if (node->nconns > 1) | |
907 | select_input_connection(codec, node, i); | |
908 | unmute_input(codec, node, i); | |
909 | unmute_output(codec, node); | |
910 | return err; | |
911 | } | |
912 | } | |
913 | return 0; | |
914 | } | |
915 | ||
916 | /* | |
917 | * parse the tree and build the loopback controls | |
918 | */ | |
919 | static int build_loopback_controls(struct hda_codec *codec) | |
920 | { | |
921 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
922 | struct hda_gnode *node; |
923 | int err; | |
924 | const char *type; | |
925 | ||
97ec558a | 926 | if (! spec->out_pin_node[0]) |
1da177e4 LT |
927 | return 0; |
928 | ||
33206e86 | 929 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
930 | if (node->type != AC_WID_PIN) |
931 | continue; | |
932 | /* input capable? */ | |
933 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
934 | return 0; | |
935 | type = get_input_type(node, NULL); | |
936 | if (type) { | |
937 | if (check_existing_control(codec, type, "Playback")) | |
938 | continue; | |
939 | clear_check_flags(spec); | |
97ec558a TI |
940 | err = parse_loopback_path(codec, spec, |
941 | spec->out_pin_node[0], | |
1da177e4 LT |
942 | node, type); |
943 | if (err < 0) | |
944 | return err; | |
945 | if (! err) | |
946 | continue; | |
947 | } | |
948 | } | |
949 | return 0; | |
950 | } | |
951 | ||
952 | /* | |
953 | * build mixer controls | |
954 | */ | |
955 | static int build_generic_controls(struct hda_codec *codec) | |
956 | { | |
957 | int err; | |
958 | ||
959 | if ((err = build_input_controls(codec)) < 0 || | |
960 | (err = build_output_controls(codec)) < 0 || | |
961 | (err = build_loopback_controls(codec)) < 0) | |
962 | return err; | |
963 | ||
964 | return 0; | |
965 | } | |
966 | ||
967 | /* | |
968 | * PCM | |
969 | */ | |
970 | static struct hda_pcm_stream generic_pcm_playback = { | |
971 | .substreams = 1, | |
972 | .channels_min = 2, | |
973 | .channels_max = 2, | |
974 | }; | |
975 | ||
97ec558a TI |
976 | static int generic_pcm2_prepare(struct hda_pcm_stream *hinfo, |
977 | struct hda_codec *codec, | |
978 | unsigned int stream_tag, | |
979 | unsigned int format, | |
980 | struct snd_pcm_substream *substream) | |
981 | { | |
982 | struct hda_gspec *spec = codec->spec; | |
983 | ||
984 | snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); | |
985 | snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, | |
986 | stream_tag, 0, format); | |
987 | return 0; | |
988 | } | |
989 | ||
990 | static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo, | |
991 | struct hda_codec *codec, | |
992 | struct snd_pcm_substream *substream) | |
993 | { | |
994 | struct hda_gspec *spec = codec->spec; | |
995 | ||
888afa15 TI |
996 | snd_hda_codec_cleanup_stream(codec, hinfo->nid); |
997 | snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid); | |
97ec558a TI |
998 | return 0; |
999 | } | |
1000 | ||
1da177e4 LT |
1001 | static int build_generic_pcms(struct hda_codec *codec) |
1002 | { | |
1003 | struct hda_gspec *spec = codec->spec; | |
1004 | struct hda_pcm *info = &spec->pcm_rec; | |
1005 | ||
97ec558a | 1006 | if (! spec->dac_node[0] && ! spec->adc_node) { |
1da177e4 LT |
1007 | snd_printd("hda_generic: no PCM found\n"); |
1008 | return 0; | |
1009 | } | |
1010 | ||
1011 | codec->num_pcms = 1; | |
1012 | codec->pcm_info = info; | |
1013 | ||
1014 | info->name = "HDA Generic"; | |
97ec558a | 1015 | if (spec->dac_node[0]) { |
1da177e4 | 1016 | info->stream[0] = generic_pcm_playback; |
97ec558a TI |
1017 | info->stream[0].nid = spec->dac_node[0]->nid; |
1018 | if (spec->dac_node[1]) { | |
1019 | info->stream[0].ops.prepare = generic_pcm2_prepare; | |
1020 | info->stream[0].ops.cleanup = generic_pcm2_cleanup; | |
1021 | } | |
1da177e4 LT |
1022 | } |
1023 | if (spec->adc_node) { | |
1024 | info->stream[1] = generic_pcm_playback; | |
1025 | info->stream[1].nid = spec->adc_node->nid; | |
1026 | } | |
1027 | ||
1028 | return 0; | |
1029 | } | |
1030 | ||
83012a7c | 1031 | #ifdef CONFIG_PM |
cb53c626 TI |
1032 | static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid) |
1033 | { | |
1034 | struct hda_gspec *spec = codec->spec; | |
1035 | return snd_hda_check_amp_list_power(codec, &spec->loopback, nid); | |
1036 | } | |
1037 | #endif | |
1038 | ||
1da177e4 LT |
1039 | |
1040 | /* | |
1041 | */ | |
1042 | static struct hda_codec_ops generic_patch_ops = { | |
1043 | .build_controls = build_generic_controls, | |
1044 | .build_pcms = build_generic_pcms, | |
1045 | .free = snd_hda_generic_free, | |
83012a7c | 1046 | #ifdef CONFIG_PM |
cb53c626 TI |
1047 | .check_power_status = generic_check_power_status, |
1048 | #endif | |
1da177e4 LT |
1049 | }; |
1050 | ||
1051 | /* | |
1052 | * the generic parser | |
1053 | */ | |
1054 | int snd_hda_parse_generic_codec(struct hda_codec *codec) | |
1055 | { | |
1056 | struct hda_gspec *spec; | |
1057 | int err; | |
1058 | ||
84802f0d SK |
1059 | if(!codec->afg) |
1060 | return 0; | |
673b683a | 1061 | |
e560d8d8 | 1062 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
1da177e4 LT |
1063 | if (spec == NULL) { |
1064 | printk(KERN_ERR "hda_generic: can't allocate spec\n"); | |
1065 | return -ENOMEM; | |
1066 | } | |
1067 | codec->spec = spec; | |
1068 | INIT_LIST_HEAD(&spec->nid_list); | |
1069 | ||
1070 | if ((err = build_afg_tree(codec)) < 0) | |
1071 | goto error; | |
1072 | ||
1073 | if ((err = parse_input(codec)) < 0 || | |
1074 | (err = parse_output(codec)) < 0) | |
1075 | goto error; | |
1076 | ||
1077 | codec->patch_ops = generic_patch_ops; | |
1078 | ||
1079 | return 0; | |
1080 | ||
1081 | error: | |
1082 | snd_hda_generic_free(codec); | |
1083 | return err; | |
1084 | } | |
1289e9e8 | 1085 | EXPORT_SYMBOL(snd_hda_parse_generic_codec); |