[ALSA] hda-intel - Add POWER_SAVE option
[linux-2.6.git] / sound / pci / hda / hda_proc.c
1 /*
2  * Universal Interface for Intel High Definition Audio Codec
3  * 
4  * Generic proc interface
5  *
6  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
7  *
8  *
9  *  This driver is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; either version 2 of the License, or
12  *  (at your option) any later version.
13  *
14  *  This driver is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *  GNU General Public License for more details.
18  *
19  *  You should have received a copy of the GNU General Public License
20  *  along with this program; if not, write to the Free Software
21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
22  */
23
24 #include <sound/driver.h>
25 #include <linux/init.h>
26 #include <sound/core.h>
27 #include "hda_codec.h"
28 #include "hda_local.h"
29
30 static const char *get_wid_type_name(unsigned int wid_value)
31 {
32         static char *names[16] = {
33                 [AC_WID_AUD_OUT] = "Audio Output",
34                 [AC_WID_AUD_IN] = "Audio Input",
35                 [AC_WID_AUD_MIX] = "Audio Mixer",
36                 [AC_WID_AUD_SEL] = "Audio Selector",
37                 [AC_WID_PIN] = "Pin Complex",
38                 [AC_WID_POWER] = "Power Widget",
39                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
40                 [AC_WID_BEEP] = "Beep Generator Widget",
41                 [AC_WID_VENDOR] = "Vendor Defined Widget",
42         };
43         wid_value &= 0xf;
44         if (names[wid_value])
45                 return names[wid_value];
46         else
47                 return "UNKNOWN Widget";
48 }
49
50 static void print_amp_caps(struct snd_info_buffer *buffer,
51                            struct hda_codec *codec, hda_nid_t nid, int dir)
52 {
53         unsigned int caps;
54         caps = snd_hda_param_read(codec, nid,
55                                   dir == HDA_OUTPUT ?
56                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
57         if (caps == -1 || caps == 0) {
58                 snd_iprintf(buffer, "N/A\n");
59                 return;
60         }
61         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
62                     "mute=%x\n",
63                     caps & AC_AMPCAP_OFFSET,
64                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
65                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
66                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
67 }
68
69 static void print_amp_vals(struct snd_info_buffer *buffer,
70                            struct hda_codec *codec, hda_nid_t nid,
71                            int dir, int stereo, int indices)
72 {
73         unsigned int val;
74         int i;
75
76         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
77         for (i = 0; i < indices; i++) {
78                 snd_iprintf(buffer, " [");
79                 if (stereo) {
80                         val = snd_hda_codec_read(codec, nid, 0,
81                                                  AC_VERB_GET_AMP_GAIN_MUTE,
82                                                  AC_AMP_GET_LEFT | dir | i);
83                         snd_iprintf(buffer, "0x%02x ", val);
84                 }
85                 val = snd_hda_codec_read(codec, nid, 0,
86                                          AC_VERB_GET_AMP_GAIN_MUTE,
87                                          AC_AMP_GET_RIGHT | dir | i);
88                 snd_iprintf(buffer, "0x%02x]", val);
89         }
90         snd_iprintf(buffer, "\n");
91 }
92
93 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
94 {
95         static unsigned int rates[] = {
96                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
97                 96000, 176400, 192000, 384000
98         };
99         int i;
100
101         pcm &= AC_SUPPCM_RATES;
102         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
103         for (i = 0; i < ARRAY_SIZE(rates); i++) 
104                 if (pcm & (1 << i))
105                         snd_iprintf(buffer, " %d", rates[i]);
106         snd_iprintf(buffer, "\n");
107 }
108
109 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
110 {
111         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
112         int i;
113
114         pcm = (pcm >> 16) & 0xff;
115         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
116         for (i = 0; i < ARRAY_SIZE(bits); i++)
117                 if (pcm & (1 << i))
118                         snd_iprintf(buffer, " %d", bits[i]);
119         snd_iprintf(buffer, "\n");
120 }
121
122 static void print_pcm_formats(struct snd_info_buffer *buffer,
123                               unsigned int streams)
124 {
125         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
126         if (streams & AC_SUPFMT_PCM)
127                 snd_iprintf(buffer, " PCM");
128         if (streams & AC_SUPFMT_FLOAT32)
129                 snd_iprintf(buffer, " FLOAT");
130         if (streams & AC_SUPFMT_AC3)
131                 snd_iprintf(buffer, " AC3");
132         snd_iprintf(buffer, "\n");
133 }
134
135 static void print_pcm_caps(struct snd_info_buffer *buffer,
136                            struct hda_codec *codec, hda_nid_t nid)
137 {
138         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
139         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
140         if (pcm == -1 || stream == -1) {
141                 snd_iprintf(buffer, "N/A\n");
142                 return;
143         }
144         print_pcm_rates(buffer, pcm);
145         print_pcm_bits(buffer, pcm);
146         print_pcm_formats(buffer, stream);
147 }
148
149 static const char *get_jack_location(u32 cfg)
150 {
151         static char *bases[7] = {
152                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
153         };
154         static unsigned char specials_idx[] = {
155                 0x07, 0x08,
156                 0x17, 0x18, 0x19,
157                 0x37, 0x38
158         };
159         static char *specials[] = {
160                 "Rear Panel", "Drive Bar",
161                 "Riser", "HDMI", "ATAPI",
162                 "Mobile-In", "Mobile-Out"
163         };
164         int i;
165         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
166         if ((cfg & 0x0f) < 7)
167                 return bases[cfg & 0x0f];
168         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
169                 if (cfg == specials_idx[i])
170                         return specials[i];
171         }
172         return "UNKNOWN";
173 }
174
175 static const char *get_jack_connection(u32 cfg)
176 {
177         static char *names[16] = {
178                 "Unknown", "1/8", "1/4", "ATAPI",
179                 "RCA", "Optical","Digital", "Analog",
180                 "DIN", "XLR", "RJ11", "Comb",
181                 NULL, NULL, NULL, "Other"
182         };
183         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
184         if (names[cfg])
185                 return names[cfg];
186         else
187                 return "UNKNOWN";
188 }
189
190 static const char *get_jack_color(u32 cfg)
191 {
192         static char *names[16] = {
193                 "Unknown", "Black", "Grey", "Blue",
194                 "Green", "Red", "Orange", "Yellow",
195                 "Purple", "Pink", NULL, NULL,
196                 NULL, NULL, "White", "Other",
197         };
198         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
199         if (names[cfg])
200                 return names[cfg];
201         else
202                 return "UNKNOWN";
203 }
204
205 static void print_pin_caps(struct snd_info_buffer *buffer,
206                            struct hda_codec *codec, hda_nid_t nid)
207 {
208         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
209         static char *jack_types[16] = {
210                 "Line Out", "Speaker", "HP Out", "CD",
211                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
212                 "Line In", "Aux", "Mic", "Telephony",
213                 "SPDIF In", "Digitial In", "Reserved", "Other"
214         };
215         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
216         unsigned int caps;
217
218         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
219         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
220         if (caps & AC_PINCAP_IN)
221                 snd_iprintf(buffer, " IN");
222         if (caps & AC_PINCAP_OUT)
223                 snd_iprintf(buffer, " OUT");
224         if (caps & AC_PINCAP_HP_DRV)
225                 snd_iprintf(buffer, " HP");
226         if (caps & AC_PINCAP_EAPD)
227                 snd_iprintf(buffer, " EAPD");
228         if (caps & AC_PINCAP_PRES_DETECT)
229                 snd_iprintf(buffer, " Detect");
230         snd_iprintf(buffer, "\n");
231         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
232         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
233                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
234                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
235                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
236                     get_jack_location(caps));
237         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
238                     get_jack_connection(caps),
239                     get_jack_color(caps));
240 }
241
242
243 static void print_codec_info(struct snd_info_entry *entry,
244                              struct snd_info_buffer *buffer)
245 {
246         struct hda_codec *codec = entry->private_data;
247         char buf[32];
248         hda_nid_t nid;
249         int i, nodes;
250
251         snd_hda_get_codec_name(codec, buf, sizeof(buf));
252         snd_iprintf(buffer, "Codec: %s\n", buf);
253         snd_iprintf(buffer, "Address: %d\n", codec->addr);
254         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
255         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
256         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
257
258         if (codec->mfg)
259                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
260         else
261                 snd_iprintf(buffer, "No Modem Function Group found\n");
262
263         if (! codec->afg)
264                 return;
265         snd_hda_power_up(codec);
266         snd_iprintf(buffer, "Default PCM:\n");
267         print_pcm_caps(buffer, codec, codec->afg);
268         snd_iprintf(buffer, "Default Amp-In caps: ");
269         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
270         snd_iprintf(buffer, "Default Amp-Out caps: ");
271         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
272
273         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
274         if (! nid || nodes < 0) {
275                 snd_iprintf(buffer, "Invalid AFG subtree\n");
276                 snd_hda_power_down(codec);
277                 return;
278         }
279         for (i = 0; i < nodes; i++, nid++) {
280                 unsigned int wid_caps =
281                         snd_hda_param_read(codec, nid,
282                                            AC_PAR_AUDIO_WIDGET_CAP);
283                 unsigned int wid_type =
284                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
285                 int conn_len = 0; 
286                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
287
288                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
289                             get_wid_type_name(wid_type), wid_caps);
290                 if (wid_caps & AC_WCAP_STEREO)
291                         snd_iprintf(buffer, " Stereo");
292                 else
293                         snd_iprintf(buffer, " Mono");
294                 if (wid_caps & AC_WCAP_DIGITAL)
295                         snd_iprintf(buffer, " Digital");
296                 if (wid_caps & AC_WCAP_IN_AMP)
297                         snd_iprintf(buffer, " Amp-In");
298                 if (wid_caps & AC_WCAP_OUT_AMP)
299                         snd_iprintf(buffer, " Amp-Out");
300                 snd_iprintf(buffer, "\n");
301
302                 if (wid_caps & AC_WCAP_CONN_LIST)
303                         conn_len = snd_hda_get_connections(codec, nid, conn,
304                                                            HDA_MAX_CONNECTIONS);
305
306                 if (wid_caps & AC_WCAP_IN_AMP) {
307                         snd_iprintf(buffer, "  Amp-In caps: ");
308                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
309                         snd_iprintf(buffer, "  Amp-In vals: ");
310                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
311                                        wid_caps & AC_WCAP_STEREO, conn_len);
312                 }
313                 if (wid_caps & AC_WCAP_OUT_AMP) {
314                         snd_iprintf(buffer, "  Amp-Out caps: ");
315                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
316                         snd_iprintf(buffer, "  Amp-Out vals: ");
317                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
318                                        wid_caps & AC_WCAP_STEREO, 1);
319                 }
320
321                 if (wid_type == AC_WID_PIN) {
322                         unsigned int pinctls;
323                         print_pin_caps(buffer, codec, nid);
324                         pinctls = snd_hda_codec_read(codec, nid, 0,
325                                              AC_VERB_GET_PIN_WIDGET_CONTROL,
326                                                      0);
327                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
328                         if (pinctls & AC_PINCTL_IN_EN)
329                                 snd_iprintf(buffer, " IN");
330                         if (pinctls & AC_PINCTL_OUT_EN)
331                                 snd_iprintf(buffer, " OUT");
332                         if (pinctls & AC_PINCTL_HP_EN)
333                                 snd_iprintf(buffer, " HP");
334                         snd_iprintf(buffer, "\n");
335                 }
336
337                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
338                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
339                         snd_iprintf(buffer, "  PCM:\n");
340                         print_pcm_caps(buffer, codec, nid);
341                 }
342
343                 if (wid_caps & AC_WCAP_POWER)
344                         snd_iprintf(buffer, "  Power: 0x%x\n",
345                                     snd_hda_codec_read(codec, nid, 0,
346                                                        AC_VERB_GET_POWER_STATE,
347                                                        0));
348
349                 if (wid_caps & AC_WCAP_CONN_LIST) {
350                         int c, curr = -1;
351                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
352                                 curr = snd_hda_codec_read(codec, nid, 0,
353                                         AC_VERB_GET_CONNECT_SEL, 0);
354                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
355                         snd_iprintf(buffer, "    ");
356                         for (c = 0; c < conn_len; c++) {
357                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
358                                 if (c == curr)
359                                         snd_iprintf(buffer, "*");
360                         }
361                         snd_iprintf(buffer, "\n");
362                 }
363         }
364         snd_hda_power_down(codec);
365 }
366
367 /*
368  * create a proc read
369  */
370 int snd_hda_codec_proc_new(struct hda_codec *codec)
371 {
372         char name[32];
373         struct snd_info_entry *entry;
374         int err;
375
376         snprintf(name, sizeof(name), "codec#%d", codec->addr);
377         err = snd_card_proc_new(codec->bus->card, name, &entry);
378         if (err < 0)
379                 return err;
380
381         snd_info_set_text_ops(entry, codec, print_codec_info);
382         return 0;
383 }
384