Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight
[linux-2.6] / 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, mute=%x\n",
62                     caps & AC_AMPCAP_OFFSET,
63                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
64                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
65                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
66 }
67
68 static void print_amp_vals(struct snd_info_buffer *buffer,
69                            struct hda_codec *codec, hda_nid_t nid,
70                            int dir, int stereo, int indices)
71 {
72         unsigned int val;
73         int i;
74
75         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
76         for (i = 0; i < indices; i++) {
77                 snd_iprintf(buffer, " [");
78                 if (stereo) {
79                         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
80                                                  AC_AMP_GET_LEFT | dir | i);
81                         snd_iprintf(buffer, "0x%02x ", val);
82                 }
83                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
84                                          AC_AMP_GET_RIGHT | dir | i);
85                 snd_iprintf(buffer, "0x%02x]", val);
86         }
87         snd_iprintf(buffer, "\n");
88 }
89
90 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
91 {
92         static unsigned int rates[] = {
93                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
94                 96000, 176400, 192000, 384000
95         };
96         int i;
97
98         pcm &= AC_SUPPCM_RATES;
99         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
100         for (i = 0; i < ARRAY_SIZE(rates); i++) 
101                 if (pcm & (1 << i))
102                         snd_iprintf(buffer, " %d", rates[i]);
103         snd_iprintf(buffer, "\n");
104 }
105
106 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
107 {
108         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
109         int i;
110
111         pcm = (pcm >> 16) & 0xff;
112         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
113         for (i = 0; i < ARRAY_SIZE(bits); i++)
114                 if (pcm & (1 << i))
115                         snd_iprintf(buffer, " %d", bits[i]);
116         snd_iprintf(buffer, "\n");
117 }
118
119 static void print_pcm_formats(struct snd_info_buffer *buffer,
120                               unsigned int streams)
121 {
122         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
123         if (streams & AC_SUPFMT_PCM)
124                 snd_iprintf(buffer, " PCM");
125         if (streams & AC_SUPFMT_FLOAT32)
126                 snd_iprintf(buffer, " FLOAT");
127         if (streams & AC_SUPFMT_AC3)
128                 snd_iprintf(buffer, " AC3");
129         snd_iprintf(buffer, "\n");
130 }
131
132 static void print_pcm_caps(struct snd_info_buffer *buffer,
133                            struct hda_codec *codec, hda_nid_t nid)
134 {
135         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
136         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
137         if (pcm == -1 || stream == -1) {
138                 snd_iprintf(buffer, "N/A\n");
139                 return;
140         }
141         print_pcm_rates(buffer, pcm);
142         print_pcm_bits(buffer, pcm);
143         print_pcm_formats(buffer, stream);
144 }
145
146 static const char *get_jack_location(u32 cfg)
147 {
148         static char *bases[7] = {
149                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
150         };
151         static unsigned char specials_idx[] = {
152                 0x07, 0x08,
153                 0x17, 0x18, 0x19,
154                 0x37, 0x38
155         };
156         static char *specials[] = {
157                 "Rear Panel", "Drive Bar",
158                 "Riser", "HDMI", "ATAPI",
159                 "Mobile-In", "Mobile-Out"
160         };
161         int i;
162         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
163         if ((cfg & 0x0f) < 7)
164                 return bases[cfg & 0x0f];
165         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
166                 if (cfg == specials_idx[i])
167                         return specials[i];
168         }
169         return "UNKNOWN";
170 }
171
172 static const char *get_jack_connection(u32 cfg)
173 {
174         static char *names[16] = {
175                 "Unknown", "1/8", "1/4", "ATAPI",
176                 "RCA", "Optical","Digital", "Analog",
177                 "DIN", "XLR", "RJ11", "Comb",
178                 NULL, NULL, NULL, "Other"
179         };
180         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
181         if (names[cfg])
182                 return names[cfg];
183         else
184                 return "UNKNOWN";
185 }
186
187 static const char *get_jack_color(u32 cfg)
188 {
189         static char *names[16] = {
190                 "Unknown", "Black", "Grey", "Blue",
191                 "Green", "Red", "Orange", "Yellow",
192                 "Purple", "Pink", NULL, NULL,
193                 NULL, NULL, "White", "Other",
194         };
195         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
196         if (names[cfg])
197                 return names[cfg];
198         else
199                 return "UNKNOWN";
200 }
201
202 static void print_pin_caps(struct snd_info_buffer *buffer,
203                            struct hda_codec *codec, hda_nid_t nid)
204 {
205         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
206         static char *jack_types[16] = {
207                 "Line Out", "Speaker", "HP Out", "CD",
208                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
209                 "Line In", "Aux", "Mic", "Telephony",
210                 "SPDIF In", "Digitial In", "Reserved", "Other"
211         };
212         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
213         unsigned int caps;
214
215         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
216         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
217         if (caps & AC_PINCAP_IN)
218                 snd_iprintf(buffer, " IN");
219         if (caps & AC_PINCAP_OUT)
220                 snd_iprintf(buffer, " OUT");
221         if (caps & AC_PINCAP_HP_DRV)
222                 snd_iprintf(buffer, " HP");
223         if (caps & AC_PINCAP_EAPD)
224                 snd_iprintf(buffer, " EAPD");
225         if (caps & AC_PINCAP_PRES_DETECT)
226                 snd_iprintf(buffer, " Detect");
227         snd_iprintf(buffer, "\n");
228         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
229         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
230                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
231                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
232                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
233                     get_jack_location(caps));
234         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
235                     get_jack_connection(caps),
236                     get_jack_color(caps));
237 }
238
239
240 static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
241 {
242         struct hda_codec *codec = entry->private_data;
243         char buf[32];
244         hda_nid_t nid;
245         int i, nodes;
246
247         snd_hda_get_codec_name(codec, buf, sizeof(buf));
248         snd_iprintf(buffer, "Codec: %s\n", buf);
249         snd_iprintf(buffer, "Address: %d\n", codec->addr);
250         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
251         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
252         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
253
254         if (codec->mfg)
255                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
256         else
257                 snd_iprintf(buffer, "No Modem Function Group found\n");
258
259         if (! codec->afg)
260                 return;
261         snd_iprintf(buffer, "Default PCM:\n");
262         print_pcm_caps(buffer, codec, codec->afg);
263         snd_iprintf(buffer, "Default Amp-In caps: ");
264         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
265         snd_iprintf(buffer, "Default Amp-Out caps: ");
266         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
267
268         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
269         if (! nid || nodes < 0) {
270                 snd_iprintf(buffer, "Invalid AFG subtree\n");
271                 return;
272         }
273         for (i = 0; i < nodes; i++, nid++) {
274                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
275                                                            AC_PAR_AUDIO_WIDGET_CAP);
276                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
277                 int conn_len = 0; 
278                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
279
280                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
281                             get_wid_type_name(wid_type), wid_caps);
282                 if (wid_caps & AC_WCAP_STEREO)
283                         snd_iprintf(buffer, " Stereo");
284                 else
285                         snd_iprintf(buffer, " Mono");
286                 if (wid_caps & AC_WCAP_DIGITAL)
287                         snd_iprintf(buffer, " Digital");
288                 if (wid_caps & AC_WCAP_IN_AMP)
289                         snd_iprintf(buffer, " Amp-In");
290                 if (wid_caps & AC_WCAP_OUT_AMP)
291                         snd_iprintf(buffer, " Amp-Out");
292                 snd_iprintf(buffer, "\n");
293
294                 if (wid_caps & AC_WCAP_CONN_LIST)
295                         conn_len = snd_hda_get_connections(codec, nid, conn,
296                                                            HDA_MAX_CONNECTIONS);
297
298                 if (wid_caps & AC_WCAP_IN_AMP) {
299                         snd_iprintf(buffer, "  Amp-In caps: ");
300                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
301                         snd_iprintf(buffer, "  Amp-In vals: ");
302                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
303                                        wid_caps & AC_WCAP_STEREO, conn_len);
304                 }
305                 if (wid_caps & AC_WCAP_OUT_AMP) {
306                         snd_iprintf(buffer, "  Amp-Out caps: ");
307                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
308                         snd_iprintf(buffer, "  Amp-Out vals: ");
309                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
310                                        wid_caps & AC_WCAP_STEREO, 1);
311                 }
312
313                 if (wid_type == AC_WID_PIN) {
314                         unsigned int pinctls;
315                         print_pin_caps(buffer, codec, nid);
316                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
317                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
318                         if (pinctls & AC_PINCTL_IN_EN)
319                                 snd_iprintf(buffer, " IN");
320                         if (pinctls & AC_PINCTL_OUT_EN)
321                                 snd_iprintf(buffer, " OUT");
322                         if (pinctls & AC_PINCTL_HP_EN)
323                                 snd_iprintf(buffer, " HP");
324                         snd_iprintf(buffer, "\n");
325                 }
326
327                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
328                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
329                         snd_iprintf(buffer, "  PCM:\n");
330                         print_pcm_caps(buffer, codec, nid);
331                 }
332
333                 if (wid_caps & AC_WCAP_POWER)
334                         snd_iprintf(buffer, "  Power: 0x%x\n",
335                                     snd_hda_codec_read(codec, nid, 0,
336                                                        AC_VERB_GET_POWER_STATE, 0));
337
338                 if (wid_caps & AC_WCAP_CONN_LIST) {
339                         int c, curr = -1;
340                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
341                                 curr = snd_hda_codec_read(codec, nid, 0,
342                                         AC_VERB_GET_CONNECT_SEL, 0);
343                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
344                         snd_iprintf(buffer, "    ");
345                         for (c = 0; c < conn_len; c++) {
346                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
347                                 if (c == curr)
348                                         snd_iprintf(buffer, "*");
349                         }
350                         snd_iprintf(buffer, "\n");
351                 }
352         }
353 }
354
355 /*
356  * create a proc read
357  */
358 int snd_hda_codec_proc_new(struct hda_codec *codec)
359 {
360         char name[32];
361         struct snd_info_entry *entry;
362         int err;
363
364         snprintf(name, sizeof(name), "codec#%d", codec->addr);
365         err = snd_card_proc_new(codec->bus->card, name, &entry);
366         if (err < 0)
367                 return err;
368
369         snd_info_set_text_ops(entry, codec, print_codec_info);
370         return 0;
371 }
372