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; | |
64 | char cap_labels[HDA_MAX_NUM_INPUTS][16]; | |
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 TI |
72 | |
73 | #ifdef CONFIG_SND_HDA_POWER_SAVE | |
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; | |
d2569505 TI |
124 | nconns = snd_hda_get_connections(codec, nid, conn_list, |
125 | HDA_MAX_CONNECTIONS); | |
1da177e4 LT |
126 | if (nconns < 0) { |
127 | kfree(node); | |
128 | return nconns; | |
129 | } | |
d2569505 TI |
130 | if (nconns <= ARRAY_SIZE(node->slist)) |
131 | node->conn_list = node->slist; | |
132 | else { | |
133 | node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, | |
134 | GFP_KERNEL); | |
135 | if (! node->conn_list) { | |
136 | snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); | |
137 | kfree(node); | |
138 | return -ENOMEM; | |
139 | } | |
140 | } | |
0bbed758 | 141 | memcpy(node->conn_list, conn_list, nconns * sizeof(hda_nid_t)); |
1da177e4 | 142 | node->nconns = nconns; |
d2569505 | 143 | node->wid_caps = get_wcaps(codec, nid); |
1da177e4 LT |
144 | node->type = (node->wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; |
145 | ||
146 | if (node->type == AC_WID_PIN) { | |
147 | node->pin_caps = snd_hda_param_read(codec, node->nid, AC_PAR_PIN_CAP); | |
148 | node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); | |
149 | node->def_cfg = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); | |
150 | } | |
151 | ||
152 | if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
153 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
154 | node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); | |
155 | if (! node->amp_out_caps) | |
156 | node->amp_out_caps = spec->def_amp_out_caps; | |
157 | } | |
158 | if (node->wid_caps & AC_WCAP_IN_AMP) { | |
159 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
160 | node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); | |
161 | if (! node->amp_in_caps) | |
162 | node->amp_in_caps = spec->def_amp_in_caps; | |
163 | } | |
164 | list_add_tail(&node->list, &spec->nid_list); | |
165 | return 0; | |
166 | } | |
167 | ||
168 | /* | |
169 | * build the AFG subtree | |
170 | */ | |
171 | static int build_afg_tree(struct hda_codec *codec) | |
172 | { | |
173 | struct hda_gspec *spec = codec->spec; | |
174 | int i, nodes, err; | |
175 | hda_nid_t nid; | |
176 | ||
da3cec35 TI |
177 | if (snd_BUG_ON(!spec)) |
178 | return -EINVAL; | |
1da177e4 LT |
179 | |
180 | spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); | |
181 | spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); | |
182 | ||
183 | nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); | |
184 | if (! nid || nodes < 0) { | |
185 | printk(KERN_ERR "Invalid AFG subtree\n"); | |
186 | return -EINVAL; | |
187 | } | |
188 | ||
189 | /* parse all nodes belonging to the AFG */ | |
190 | for (i = 0; i < nodes; i++, nid++) { | |
191 | if ((err = add_new_node(codec, spec, nid)) < 0) | |
192 | return err; | |
193 | } | |
194 | ||
195 | return 0; | |
196 | } | |
197 | ||
198 | ||
199 | /* | |
200 | * look for the node record for the given NID | |
201 | */ | |
202 | /* FIXME: should avoid the braindead linear search */ | |
203 | static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) | |
204 | { | |
1da177e4 LT |
205 | struct hda_gnode *node; |
206 | ||
33206e86 | 207 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
208 | if (node->nid == nid) |
209 | return node; | |
210 | } | |
211 | return NULL; | |
212 | } | |
213 | ||
214 | /* | |
215 | * unmute (and set max vol) the output amplifier | |
216 | */ | |
217 | static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) | |
218 | { | |
219 | unsigned int val, ofs; | |
220 | snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); | |
221 | val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
222 | ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
223 | if (val >= ofs) | |
224 | val -= ofs; | |
47fd830a | 225 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_OUTPUT, 0, 0xff, val); |
82beb8fd | 226 | return 0; |
1da177e4 LT |
227 | } |
228 | ||
229 | /* | |
230 | * unmute (and set max vol) the input amplifier | |
231 | */ | |
232 | static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) | |
233 | { | |
234 | unsigned int val, ofs; | |
235 | snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); | |
236 | val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
237 | ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
238 | if (val >= ofs) | |
239 | val -= ofs; | |
47fd830a | 240 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_INPUT, index, 0xff, val); |
82beb8fd | 241 | return 0; |
1da177e4 LT |
242 | } |
243 | ||
244 | /* | |
245 | * select the input connection of the given node. | |
246 | */ | |
247 | static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, | |
248 | unsigned int index) | |
249 | { | |
250 | snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); | |
82beb8fd TI |
251 | return snd_hda_codec_write_cache(codec, node->nid, 0, |
252 | AC_VERB_SET_CONNECT_SEL, index); | |
1da177e4 LT |
253 | } |
254 | ||
255 | /* | |
256 | * clear checked flag of each node in the node list | |
257 | */ | |
258 | static void clear_check_flags(struct hda_gspec *spec) | |
259 | { | |
1da177e4 LT |
260 | struct hda_gnode *node; |
261 | ||
33206e86 | 262 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
263 | node->checked = 0; |
264 | } | |
265 | } | |
266 | ||
267 | /* | |
268 | * parse the output path recursively until reach to an audio output widget | |
269 | * | |
270 | * returns 0 if not found, 1 if found, or a negative error code. | |
271 | */ | |
272 | static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, | |
97ec558a | 273 | struct hda_gnode *node, int dac_idx) |
1da177e4 LT |
274 | { |
275 | int i, err; | |
276 | struct hda_gnode *child; | |
277 | ||
278 | if (node->checked) | |
279 | return 0; | |
280 | ||
281 | node->checked = 1; | |
282 | if (node->type == AC_WID_AUD_OUT) { | |
283 | if (node->wid_caps & AC_WCAP_DIGITAL) { | |
284 | snd_printdd("Skip Digital OUT node %x\n", node->nid); | |
285 | return 0; | |
286 | } | |
287 | snd_printdd("AUD_OUT found %x\n", node->nid); | |
97ec558a | 288 | if (spec->dac_node[dac_idx]) { |
1da177e4 | 289 | /* already DAC node is assigned, just unmute & connect */ |
97ec558a | 290 | return node == spec->dac_node[dac_idx]; |
1da177e4 | 291 | } |
97ec558a | 292 | spec->dac_node[dac_idx] = node; |
a7da6ce5 TI |
293 | if ((node->wid_caps & AC_WCAP_OUT_AMP) && |
294 | spec->pcm_vol_nodes < MAX_PCM_VOLS) { | |
295 | spec->pcm_vol[spec->pcm_vol_nodes].node = node; | |
296 | spec->pcm_vol[spec->pcm_vol_nodes].index = 0; | |
297 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
298 | } |
299 | return 1; /* found */ | |
300 | } | |
301 | ||
302 | for (i = 0; i < node->nconns; i++) { | |
303 | child = hda_get_node(spec, node->conn_list[i]); | |
304 | if (! child) | |
305 | continue; | |
97ec558a | 306 | err = parse_output_path(codec, spec, child, dac_idx); |
1da177e4 LT |
307 | if (err < 0) |
308 | return err; | |
309 | else if (err > 0) { | |
310 | /* found one, | |
311 | * select the path, unmute both input and output | |
312 | */ | |
313 | if (node->nconns > 1) | |
314 | select_input_connection(codec, node, i); | |
315 | unmute_input(codec, node, i); | |
316 | unmute_output(codec, node); | |
a7da6ce5 TI |
317 | if (spec->dac_node[dac_idx] && |
318 | spec->pcm_vol_nodes < MAX_PCM_VOLS && | |
319 | !(spec->dac_node[dac_idx]->wid_caps & | |
320 | AC_WCAP_OUT_AMP)) { | |
321 | if ((node->wid_caps & AC_WCAP_IN_AMP) || | |
322 | (node->wid_caps & AC_WCAP_OUT_AMP)) { | |
323 | int n = spec->pcm_vol_nodes; | |
324 | spec->pcm_vol[n].node = node; | |
325 | spec->pcm_vol[n].index = i; | |
326 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
327 | } |
328 | } | |
329 | return 1; | |
330 | } | |
331 | } | |
332 | return 0; | |
333 | } | |
334 | ||
335 | /* | |
336 | * Look for the output PIN widget with the given jack type | |
337 | * and parse the output path to that PIN. | |
338 | * | |
339 | * Returns the PIN node when the path to DAC is established. | |
340 | */ | |
341 | static struct hda_gnode *parse_output_jack(struct hda_codec *codec, | |
342 | struct hda_gspec *spec, | |
343 | int jack_type) | |
344 | { | |
1da177e4 LT |
345 | struct hda_gnode *node; |
346 | int err; | |
347 | ||
33206e86 | 348 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
349 | if (node->type != AC_WID_PIN) |
350 | continue; | |
351 | /* output capable? */ | |
352 | if (! (node->pin_caps & AC_PINCAP_OUT)) | |
353 | continue; | |
97ec558a TI |
354 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
355 | continue; /* unconnected */ | |
1da177e4 | 356 | if (jack_type >= 0) { |
e9edcee0 | 357 | if (jack_type != defcfg_type(node)) |
1da177e4 LT |
358 | continue; |
359 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
360 | continue; /* skip SPDIF */ | |
361 | } else { | |
362 | /* output as default? */ | |
363 | if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) | |
364 | continue; | |
365 | } | |
366 | clear_check_flags(spec); | |
97ec558a | 367 | err = parse_output_path(codec, spec, node, 0); |
1da177e4 LT |
368 | if (err < 0) |
369 | return NULL; | |
97ec558a TI |
370 | if (! err && spec->out_pin_node[0]) { |
371 | err = parse_output_path(codec, spec, node, 1); | |
372 | if (err < 0) | |
373 | return NULL; | |
374 | } | |
375 | if (err > 0) { | |
1da177e4 LT |
376 | /* unmute the PIN output */ |
377 | unmute_output(codec, node); | |
378 | /* set PIN-Out enable */ | |
82beb8fd | 379 | snd_hda_codec_write_cache(codec, node->nid, 0, |
1da177e4 | 380 | AC_VERB_SET_PIN_WIDGET_CONTROL, |
a7da6ce5 TI |
381 | AC_PINCTL_OUT_EN | |
382 | ((node->pin_caps & AC_PINCAP_HP_DRV) ? | |
383 | AC_PINCTL_HP_EN : 0)); | |
1da177e4 LT |
384 | return node; |
385 | } | |
386 | } | |
387 | return NULL; | |
388 | } | |
389 | ||
390 | ||
391 | /* | |
392 | * parse outputs | |
393 | */ | |
394 | static int parse_output(struct hda_codec *codec) | |
395 | { | |
396 | struct hda_gspec *spec = codec->spec; | |
397 | struct hda_gnode *node; | |
398 | ||
399 | /* | |
400 | * Look for the output PIN widget | |
401 | */ | |
402 | /* first, look for the line-out pin */ | |
403 | node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); | |
404 | if (node) /* found, remember the PIN node */ | |
97ec558a TI |
405 | spec->out_pin_node[0] = node; |
406 | else { | |
407 | /* if no line-out is found, try speaker out */ | |
408 | node = parse_output_jack(codec, spec, AC_JACK_SPEAKER); | |
409 | if (node) | |
410 | spec->out_pin_node[0] = node; | |
411 | } | |
1da177e4 LT |
412 | /* look for the HP-out pin */ |
413 | node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); | |
414 | if (node) { | |
97ec558a TI |
415 | if (! spec->out_pin_node[0]) |
416 | spec->out_pin_node[0] = node; | |
417 | else | |
418 | spec->out_pin_node[1] = node; | |
1da177e4 LT |
419 | } |
420 | ||
97ec558a | 421 | if (! spec->out_pin_node[0]) { |
1da177e4 LT |
422 | /* no line-out or HP pins found, |
423 | * then choose for the first output pin | |
424 | */ | |
97ec558a TI |
425 | spec->out_pin_node[0] = parse_output_jack(codec, spec, -1); |
426 | if (! spec->out_pin_node[0]) | |
1da177e4 LT |
427 | snd_printd("hda_generic: no proper output path found\n"); |
428 | } | |
429 | ||
430 | return 0; | |
431 | } | |
432 | ||
433 | /* | |
434 | * input MUX | |
435 | */ | |
436 | ||
437 | /* control callbacks */ | |
c8b6bf9b | 438 | static int capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
439 | { |
440 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
441 | struct hda_gspec *spec = codec->spec; | |
442 | return snd_hda_input_mux_info(&spec->input_mux, uinfo); | |
443 | } | |
444 | ||
c8b6bf9b | 445 | static int capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
446 | { |
447 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
448 | struct hda_gspec *spec = codec->spec; | |
449 | ||
450 | ucontrol->value.enumerated.item[0] = spec->cur_cap_src; | |
451 | return 0; | |
452 | } | |
453 | ||
c8b6bf9b | 454 | static int capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
455 | { |
456 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
457 | struct hda_gspec *spec = codec->spec; | |
458 | return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, | |
459 | spec->adc_node->nid, &spec->cur_cap_src); | |
460 | } | |
461 | ||
462 | /* | |
463 | * return the string name of the given input PIN widget | |
464 | */ | |
465 | static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) | |
466 | { | |
e9edcee0 TI |
467 | unsigned int location = defcfg_location(node); |
468 | switch (defcfg_type(node)) { | |
1da177e4 LT |
469 | case AC_JACK_LINE_IN: |
470 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
471 | return "Front Line"; | |
472 | return "Line"; | |
473 | case AC_JACK_CD: | |
071c73ad | 474 | #if 0 |
1da177e4 | 475 | if (pinctl) |
1a12de1e | 476 | *pinctl |= AC_PINCTL_VREF_GRD; |
071c73ad | 477 | #endif |
1da177e4 LT |
478 | return "CD"; |
479 | case AC_JACK_AUX: | |
480 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
481 | return "Front Aux"; | |
482 | return "Aux"; | |
483 | case AC_JACK_MIC_IN: | |
6afeb11d TI |
484 | if (pinctl && |
485 | (node->pin_caps & | |
486 | (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))) | |
071c73ad | 487 | *pinctl |= AC_PINCTL_VREF_80; |
1da177e4 LT |
488 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) |
489 | return "Front Mic"; | |
490 | return "Mic"; | |
491 | case AC_JACK_SPDIF_IN: | |
492 | return "SPDIF"; | |
493 | case AC_JACK_DIG_OTHER_IN: | |
494 | return "Digital"; | |
495 | } | |
496 | return NULL; | |
497 | } | |
498 | ||
499 | /* | |
500 | * parse the nodes recursively until reach to the input PIN | |
501 | * | |
502 | * returns 0 if not found, 1 if found, or a negative error code. | |
503 | */ | |
504 | static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, | |
505 | struct hda_gnode *node) | |
506 | { | |
507 | int i, err; | |
508 | unsigned int pinctl; | |
509 | char *label; | |
510 | const char *type; | |
511 | ||
512 | if (node->checked) | |
513 | return 0; | |
514 | ||
515 | node->checked = 1; | |
516 | if (node->type != AC_WID_PIN) { | |
517 | for (i = 0; i < node->nconns; i++) { | |
518 | struct hda_gnode *child; | |
519 | child = hda_get_node(spec, node->conn_list[i]); | |
520 | if (! child) | |
521 | continue; | |
522 | err = parse_adc_sub_nodes(codec, spec, child); | |
523 | if (err < 0) | |
524 | return err; | |
525 | if (err > 0) { | |
526 | /* found one, | |
527 | * select the path, unmute both input and output | |
528 | */ | |
529 | if (node->nconns > 1) | |
530 | select_input_connection(codec, node, i); | |
531 | unmute_input(codec, node, i); | |
532 | unmute_output(codec, node); | |
533 | return err; | |
534 | } | |
535 | } | |
536 | return 0; | |
537 | } | |
538 | ||
539 | /* input capable? */ | |
540 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
541 | return 0; | |
542 | ||
97ec558a TI |
543 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
544 | return 0; /* unconnected */ | |
545 | ||
1da177e4 LT |
546 | if (node->wid_caps & AC_WCAP_DIGITAL) |
547 | return 0; /* skip SPDIF */ | |
548 | ||
549 | if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { | |
550 | snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); | |
551 | return -EINVAL; | |
552 | } | |
553 | ||
554 | pinctl = AC_PINCTL_IN_EN; | |
555 | /* create a proper capture source label */ | |
556 | type = get_input_type(node, &pinctl); | |
557 | if (! type) { | |
558 | /* input as default? */ | |
559 | if (! (node->pin_ctl & AC_PINCTL_IN_EN)) | |
560 | return 0; | |
561 | type = "Input"; | |
562 | } | |
563 | label = spec->cap_labels[spec->input_mux.num_items]; | |
564 | strcpy(label, type); | |
565 | spec->input_mux.items[spec->input_mux.num_items].label = label; | |
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 | ||
071c73ad TI |
576 | /* add a capture source element */ |
577 | static void add_cap_src(struct hda_gspec *spec, int idx) | |
578 | { | |
579 | struct hda_input_mux_item *csrc; | |
580 | char *buf; | |
581 | int num, ocap; | |
582 | ||
583 | num = spec->input_mux.num_items; | |
584 | csrc = &spec->input_mux.items[num]; | |
585 | buf = spec->cap_labels[num]; | |
586 | for (ocap = 0; ocap < num; ocap++) { | |
587 | if (! strcmp(buf, spec->cap_labels[ocap])) { | |
588 | /* same label already exists, | |
589 | * put the index number to be unique | |
590 | */ | |
591 | sprintf(buf, "%s %d", spec->cap_labels[ocap], num); | |
592 | break; | |
593 | } | |
594 | } | |
595 | csrc->index = idx; | |
596 | spec->input_mux.num_items++; | |
597 | } | |
598 | ||
1da177e4 LT |
599 | /* |
600 | * parse input | |
601 | */ | |
602 | static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) | |
603 | { | |
604 | struct hda_gspec *spec = codec->spec; | |
605 | struct hda_gnode *node; | |
606 | int i, err; | |
607 | ||
608 | snd_printdd("AUD_IN = %x\n", adc_node->nid); | |
609 | clear_check_flags(spec); | |
610 | ||
611 | // awk added - fixed no recording due to muted widget | |
612 | unmute_input(codec, adc_node, 0); | |
613 | ||
614 | /* | |
615 | * check each connection of the ADC | |
616 | * if it reaches to a proper input PIN, add the path as the | |
617 | * input path. | |
618 | */ | |
071c73ad | 619 | /* first, check the direct connections to PIN widgets */ |
1da177e4 LT |
620 | for (i = 0; i < adc_node->nconns; i++) { |
621 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
071c73ad TI |
622 | if (node && node->type == AC_WID_PIN) { |
623 | err = parse_adc_sub_nodes(codec, spec, node); | |
624 | if (err < 0) | |
625 | return err; | |
626 | else if (err > 0) | |
627 | add_cap_src(spec, i); | |
628 | } | |
629 | } | |
630 | /* ... then check the rests, more complicated connections */ | |
631 | for (i = 0; i < adc_node->nconns; i++) { | |
632 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
633 | if (node && node->type != AC_WID_PIN) { | |
634 | err = parse_adc_sub_nodes(codec, spec, node); | |
635 | if (err < 0) | |
636 | return err; | |
637 | else if (err > 0) | |
638 | add_cap_src(spec, i); | |
1da177e4 LT |
639 | } |
640 | } | |
641 | ||
642 | if (! spec->input_mux.num_items) | |
643 | return 0; /* no input path found... */ | |
644 | ||
645 | snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); | |
646 | for (i = 0; i < spec->input_mux.num_items; i++) | |
647 | snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, | |
648 | spec->input_mux.items[i].index); | |
649 | ||
650 | spec->adc_node = adc_node; | |
651 | return 1; | |
652 | } | |
653 | ||
654 | /* | |
655 | * parse input | |
656 | */ | |
657 | static int parse_input(struct hda_codec *codec) | |
658 | { | |
659 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
660 | struct hda_gnode *node; |
661 | int err; | |
662 | ||
663 | /* | |
664 | * At first we look for an audio input widget. | |
665 | * If it reaches to certain input PINs, we take it as the | |
666 | * input path. | |
667 | */ | |
33206e86 | 668 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
669 | if (node->wid_caps & AC_WCAP_DIGITAL) |
670 | continue; /* skip SPDIF */ | |
671 | if (node->type == AC_WID_AUD_IN) { | |
672 | err = parse_input_path(codec, node); | |
673 | if (err < 0) | |
674 | return err; | |
675 | else if (err > 0) | |
676 | return 0; | |
677 | } | |
678 | } | |
679 | snd_printd("hda_generic: no proper input path found\n"); | |
680 | return 0; | |
681 | } | |
682 | ||
cb53c626 TI |
683 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
684 | static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid, | |
685 | int dir, int idx) | |
686 | { | |
687 | struct hda_gspec *spec = codec->spec; | |
688 | struct hda_amp_list *p; | |
689 | ||
690 | if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) { | |
691 | snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n"); | |
692 | return; | |
693 | } | |
694 | p = &spec->loopback_list[spec->num_loopbacks++]; | |
695 | p->nid = nid; | |
696 | p->dir = dir; | |
697 | p->idx = idx; | |
698 | spec->loopback.amplist = spec->loopback_list; | |
699 | } | |
700 | #else | |
701 | #define add_input_loopback(codec,nid,dir,idx) | |
702 | #endif | |
703 | ||
1da177e4 LT |
704 | /* |
705 | * create mixer controls if possible | |
706 | */ | |
1da177e4 | 707 | static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, |
cb53c626 TI |
708 | unsigned int index, const char *type, |
709 | const char *dir_sfx, int is_loopback) | |
1da177e4 LT |
710 | { |
711 | char name[32]; | |
712 | int err; | |
713 | int created = 0; | |
c8b6bf9b | 714 | struct snd_kcontrol_new knew; |
1da177e4 LT |
715 | |
716 | if (type) | |
717 | sprintf(name, "%s %s Switch", type, dir_sfx); | |
718 | else | |
719 | sprintf(name, "%s Switch", dir_sfx); | |
720 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
721 | (node->amp_in_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 722 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); |
cb53c626 TI |
723 | if (is_loopback) |
724 | add_input_loopback(codec, node->nid, HDA_INPUT, index); | |
1da177e4 | 725 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
d13bd412 TI |
726 | err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); |
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_MUTE)) { | |
c8b6bf9b | 732 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); |
cb53c626 TI |
733 | if (is_loopback) |
734 | add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); | |
1da177e4 | 735 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
d13bd412 TI |
736 | err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); |
737 | if (err < 0) | |
1da177e4 LT |
738 | return err; |
739 | created = 1; | |
740 | } | |
741 | ||
742 | if (type) | |
743 | sprintf(name, "%s %s Volume", type, dir_sfx); | |
744 | else | |
745 | sprintf(name, "%s Volume", dir_sfx); | |
746 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
747 | (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 748 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); |
1da177e4 | 749 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
d13bd412 TI |
750 | err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); |
751 | if (err < 0) | |
1da177e4 LT |
752 | return err; |
753 | created = 1; | |
754 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
755 | (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 756 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); |
1da177e4 | 757 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
d13bd412 TI |
758 | err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); |
759 | if (err < 0) | |
1da177e4 LT |
760 | return err; |
761 | created = 1; | |
762 | } | |
763 | ||
764 | return created; | |
765 | } | |
766 | ||
767 | /* | |
768 | * check whether the controls with the given name and direction suffix already exist | |
769 | */ | |
770 | static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) | |
771 | { | |
c8b6bf9b | 772 | struct snd_ctl_elem_id id; |
1da177e4 LT |
773 | memset(&id, 0, sizeof(id)); |
774 | sprintf(id.name, "%s %s Volume", type, dir); | |
775 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
776 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
777 | return 1; | |
778 | sprintf(id.name, "%s %s Switch", type, dir); | |
779 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
780 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
781 | return 1; | |
782 | return 0; | |
783 | } | |
784 | ||
785 | /* | |
786 | * build output mixer controls | |
787 | */ | |
a7da6ce5 | 788 | static int create_output_mixers(struct hda_codec *codec, const char **names) |
1da177e4 LT |
789 | { |
790 | struct hda_gspec *spec = codec->spec; | |
97ec558a | 791 | int i, err; |
1da177e4 | 792 | |
a7da6ce5 TI |
793 | for (i = 0; i < spec->pcm_vol_nodes; i++) { |
794 | err = create_mixer(codec, spec->pcm_vol[i].node, | |
795 | spec->pcm_vol[i].index, | |
cb53c626 | 796 | names[i], "Playback", 0); |
97ec558a TI |
797 | if (err < 0) |
798 | return err; | |
799 | } | |
1da177e4 LT |
800 | return 0; |
801 | } | |
802 | ||
a7da6ce5 TI |
803 | static int build_output_controls(struct hda_codec *codec) |
804 | { | |
805 | struct hda_gspec *spec = codec->spec; | |
806 | static const char *types_speaker[] = { "Speaker", "Headphone" }; | |
807 | static const char *types_line[] = { "Front", "Headphone" }; | |
808 | ||
809 | switch (spec->pcm_vol_nodes) { | |
810 | case 1: | |
811 | return create_mixer(codec, spec->pcm_vol[0].node, | |
812 | spec->pcm_vol[0].index, | |
cb53c626 | 813 | "Master", "Playback", 0); |
a7da6ce5 TI |
814 | case 2: |
815 | if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER) | |
816 | return create_output_mixers(codec, types_speaker); | |
817 | else | |
818 | return create_output_mixers(codec, types_line); | |
819 | } | |
820 | return 0; | |
821 | } | |
822 | ||
1da177e4 LT |
823 | /* create capture volume/switch */ |
824 | static int build_input_controls(struct hda_codec *codec) | |
825 | { | |
826 | struct hda_gspec *spec = codec->spec; | |
827 | struct hda_gnode *adc_node = spec->adc_node; | |
071c73ad TI |
828 | int i, err; |
829 | static struct snd_kcontrol_new cap_sel = { | |
830 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
831 | .name = "Capture Source", | |
832 | .info = capture_source_info, | |
833 | .get = capture_source_get, | |
834 | .put = capture_source_put, | |
835 | }; | |
836 | ||
837 | if (! adc_node || ! spec->input_mux.num_items) | |
1da177e4 LT |
838 | return 0; /* not found */ |
839 | ||
071c73ad TI |
840 | spec->cur_cap_src = 0; |
841 | select_input_connection(codec, adc_node, | |
842 | spec->input_mux.items[0].index); | |
843 | ||
1da177e4 | 844 | /* create capture volume and switch controls if the ADC has an amp */ |
071c73ad TI |
845 | /* do we have only a single item? */ |
846 | if (spec->input_mux.num_items == 1) { | |
847 | err = create_mixer(codec, adc_node, | |
848 | spec->input_mux.items[0].index, | |
cb53c626 | 849 | NULL, "Capture", 0); |
071c73ad TI |
850 | if (err < 0) |
851 | return err; | |
852 | return 0; | |
853 | } | |
1da177e4 LT |
854 | |
855 | /* create input MUX if multiple sources are available */ | |
d13bd412 TI |
856 | err = snd_hda_ctl_add(codec, snd_ctl_new1(&cap_sel, codec)); |
857 | if (err < 0) | |
071c73ad TI |
858 | return err; |
859 | ||
860 | /* no volume control? */ | |
861 | if (! (adc_node->wid_caps & AC_WCAP_IN_AMP) || | |
862 | ! (adc_node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) | |
863 | return 0; | |
864 | ||
865 | for (i = 0; i < spec->input_mux.num_items; i++) { | |
866 | struct snd_kcontrol_new knew; | |
867 | char name[32]; | |
868 | sprintf(name, "%s Capture Volume", | |
869 | spec->input_mux.items[i].label); | |
870 | knew = (struct snd_kcontrol_new) | |
871 | HDA_CODEC_VOLUME(name, adc_node->nid, | |
872 | spec->input_mux.items[i].index, | |
873 | HDA_INPUT); | |
d13bd412 TI |
874 | err = snd_hda_ctl_add(codec, snd_ctl_new1(&knew, codec)); |
875 | if (err < 0) | |
1da177e4 | 876 | return err; |
1da177e4 | 877 | } |
071c73ad | 878 | |
1da177e4 LT |
879 | return 0; |
880 | } | |
881 | ||
882 | ||
883 | /* | |
884 | * parse the nodes recursively until reach to the output PIN. | |
885 | * | |
886 | * returns 0 - if not found, | |
887 | * 1 - if found, but no mixer is created | |
888 | * 2 - if found and mixer was already created, (just skip) | |
889 | * a negative error code | |
890 | */ | |
891 | static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, | |
892 | struct hda_gnode *node, struct hda_gnode *dest_node, | |
893 | const char *type) | |
894 | { | |
895 | int i, err; | |
896 | ||
897 | if (node->checked) | |
898 | return 0; | |
899 | ||
900 | node->checked = 1; | |
901 | if (node == dest_node) { | |
902 | /* loopback connection found */ | |
903 | return 1; | |
904 | } | |
905 | ||
906 | for (i = 0; i < node->nconns; i++) { | |
907 | struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); | |
908 | if (! child) | |
909 | continue; | |
910 | err = parse_loopback_path(codec, spec, child, dest_node, type); | |
911 | if (err < 0) | |
912 | return err; | |
913 | else if (err >= 1) { | |
914 | if (err == 1) { | |
cb53c626 TI |
915 | err = create_mixer(codec, node, i, type, |
916 | "Playback", 1); | |
1da177e4 LT |
917 | if (err < 0) |
918 | return err; | |
919 | if (err > 0) | |
920 | return 2; /* ok, created */ | |
921 | /* not created, maybe in the lower path */ | |
922 | err = 1; | |
923 | } | |
924 | /* connect and unmute */ | |
925 | if (node->nconns > 1) | |
926 | select_input_connection(codec, node, i); | |
927 | unmute_input(codec, node, i); | |
928 | unmute_output(codec, node); | |
929 | return err; | |
930 | } | |
931 | } | |
932 | return 0; | |
933 | } | |
934 | ||
935 | /* | |
936 | * parse the tree and build the loopback controls | |
937 | */ | |
938 | static int build_loopback_controls(struct hda_codec *codec) | |
939 | { | |
940 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
941 | struct hda_gnode *node; |
942 | int err; | |
943 | const char *type; | |
944 | ||
97ec558a | 945 | if (! spec->out_pin_node[0]) |
1da177e4 LT |
946 | return 0; |
947 | ||
33206e86 | 948 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
949 | if (node->type != AC_WID_PIN) |
950 | continue; | |
951 | /* input capable? */ | |
952 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
953 | return 0; | |
954 | type = get_input_type(node, NULL); | |
955 | if (type) { | |
956 | if (check_existing_control(codec, type, "Playback")) | |
957 | continue; | |
958 | clear_check_flags(spec); | |
97ec558a TI |
959 | err = parse_loopback_path(codec, spec, |
960 | spec->out_pin_node[0], | |
1da177e4 LT |
961 | node, type); |
962 | if (err < 0) | |
963 | return err; | |
964 | if (! err) | |
965 | continue; | |
966 | } | |
967 | } | |
968 | return 0; | |
969 | } | |
970 | ||
971 | /* | |
972 | * build mixer controls | |
973 | */ | |
974 | static int build_generic_controls(struct hda_codec *codec) | |
975 | { | |
976 | int err; | |
977 | ||
978 | if ((err = build_input_controls(codec)) < 0 || | |
979 | (err = build_output_controls(codec)) < 0 || | |
980 | (err = build_loopback_controls(codec)) < 0) | |
981 | return err; | |
982 | ||
983 | return 0; | |
984 | } | |
985 | ||
986 | /* | |
987 | * PCM | |
988 | */ | |
989 | static struct hda_pcm_stream generic_pcm_playback = { | |
990 | .substreams = 1, | |
991 | .channels_min = 2, | |
992 | .channels_max = 2, | |
993 | }; | |
994 | ||
97ec558a TI |
995 | static int generic_pcm2_prepare(struct hda_pcm_stream *hinfo, |
996 | struct hda_codec *codec, | |
997 | unsigned int stream_tag, | |
998 | unsigned int format, | |
999 | struct snd_pcm_substream *substream) | |
1000 | { | |
1001 | struct hda_gspec *spec = codec->spec; | |
1002 | ||
1003 | snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); | |
1004 | snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, | |
1005 | stream_tag, 0, format); | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo, | |
1010 | struct hda_codec *codec, | |
1011 | struct snd_pcm_substream *substream) | |
1012 | { | |
1013 | struct hda_gspec *spec = codec->spec; | |
1014 | ||
888afa15 TI |
1015 | snd_hda_codec_cleanup_stream(codec, hinfo->nid); |
1016 | snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid); | |
97ec558a TI |
1017 | return 0; |
1018 | } | |
1019 | ||
1da177e4 LT |
1020 | static int build_generic_pcms(struct hda_codec *codec) |
1021 | { | |
1022 | struct hda_gspec *spec = codec->spec; | |
1023 | struct hda_pcm *info = &spec->pcm_rec; | |
1024 | ||
97ec558a | 1025 | if (! spec->dac_node[0] && ! spec->adc_node) { |
1da177e4 LT |
1026 | snd_printd("hda_generic: no PCM found\n"); |
1027 | return 0; | |
1028 | } | |
1029 | ||
1030 | codec->num_pcms = 1; | |
1031 | codec->pcm_info = info; | |
1032 | ||
1033 | info->name = "HDA Generic"; | |
97ec558a | 1034 | if (spec->dac_node[0]) { |
1da177e4 | 1035 | info->stream[0] = generic_pcm_playback; |
97ec558a TI |
1036 | info->stream[0].nid = spec->dac_node[0]->nid; |
1037 | if (spec->dac_node[1]) { | |
1038 | info->stream[0].ops.prepare = generic_pcm2_prepare; | |
1039 | info->stream[0].ops.cleanup = generic_pcm2_cleanup; | |
1040 | } | |
1da177e4 LT |
1041 | } |
1042 | if (spec->adc_node) { | |
1043 | info->stream[1] = generic_pcm_playback; | |
1044 | info->stream[1].nid = spec->adc_node->nid; | |
1045 | } | |
1046 | ||
1047 | return 0; | |
1048 | } | |
1049 | ||
cb53c626 TI |
1050 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
1051 | static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid) | |
1052 | { | |
1053 | struct hda_gspec *spec = codec->spec; | |
1054 | return snd_hda_check_amp_list_power(codec, &spec->loopback, nid); | |
1055 | } | |
1056 | #endif | |
1057 | ||
1da177e4 LT |
1058 | |
1059 | /* | |
1060 | */ | |
1061 | static struct hda_codec_ops generic_patch_ops = { | |
1062 | .build_controls = build_generic_controls, | |
1063 | .build_pcms = build_generic_pcms, | |
1064 | .free = snd_hda_generic_free, | |
cb53c626 TI |
1065 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
1066 | .check_power_status = generic_check_power_status, | |
1067 | #endif | |
1da177e4 LT |
1068 | }; |
1069 | ||
1070 | /* | |
1071 | * the generic parser | |
1072 | */ | |
1073 | int snd_hda_parse_generic_codec(struct hda_codec *codec) | |
1074 | { | |
1075 | struct hda_gspec *spec; | |
1076 | int err; | |
1077 | ||
84802f0d SK |
1078 | if(!codec->afg) |
1079 | return 0; | |
673b683a | 1080 | |
e560d8d8 | 1081 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
1da177e4 LT |
1082 | if (spec == NULL) { |
1083 | printk(KERN_ERR "hda_generic: can't allocate spec\n"); | |
1084 | return -ENOMEM; | |
1085 | } | |
1086 | codec->spec = spec; | |
1087 | INIT_LIST_HEAD(&spec->nid_list); | |
1088 | ||
1089 | if ((err = build_afg_tree(codec)) < 0) | |
1090 | goto error; | |
1091 | ||
1092 | if ((err = parse_input(codec)) < 0 || | |
1093 | (err = parse_output(codec)) < 0) | |
1094 | goto error; | |
1095 | ||
1096 | codec->patch_ops = generic_patch_ops; | |
1097 | ||
1098 | return 0; | |
1099 | ||
1100 | error: | |
1101 | snd_hda_generic_free(codec); | |
1102 | return err; | |
1103 | } | |
1289e9e8 | 1104 | EXPORT_SYMBOL(snd_hda_parse_generic_codec); |