ca514a6a58751781e809c10a010eaf74ef8fea26
[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 <linux/pci.h>
27 #include <sound/core.h>
28 #include "hda_codec.h"
29 #include "hda_local.h"
30
31 static const char *get_wid_type_name(unsigned int wid_value)
32 {
33         static char *names[16] = {
34                 [AC_WID_AUD_OUT] = "Audio Output",
35                 [AC_WID_AUD_IN] = "Audio Input",
36                 [AC_WID_AUD_MIX] = "Audio Mixer",
37                 [AC_WID_AUD_SEL] = "Audio Selector",
38                 [AC_WID_PIN] = "Pin Complex",
39                 [AC_WID_POWER] = "Power Widget",
40                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
41                 [AC_WID_BEEP] = "Beep Generator Widget",
42                 [AC_WID_VENDOR] = "Vendor Defined Widget",
43         };
44         wid_value &= 0xf;
45         if (names[wid_value])
46                 return names[wid_value];
47         else
48                 return "UNKOWN Widget";
49 }
50
51 static void print_amp_caps(struct snd_info_buffer *buffer,
52                            struct hda_codec *codec, hda_nid_t nid, int dir)
53 {
54         unsigned int caps;
55         if (dir == HDA_OUTPUT)
56                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_OUT_CAP);
57         else
58                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_IN_CAP);
59         if (caps == -1 || caps == 0) {
60                 snd_iprintf(buffer, "N/A\n");
61                 return;
62         }
63         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, mute=%x\n",
64                     caps & AC_AMPCAP_OFFSET,
65                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
66                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
67                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
68 }
69
70 static void print_amp_vals(struct snd_info_buffer *buffer,
71                            struct hda_codec *codec, hda_nid_t nid,
72                            int dir, int stereo, int indices)
73 {
74         unsigned int val;
75         int i;
76
77         if (dir == HDA_OUTPUT)
78                 dir = AC_AMP_GET_OUTPUT;
79         else
80                 dir = AC_AMP_GET_INPUT;
81         for (i = 0; i < indices; i++) {
82                 snd_iprintf(buffer, " [");
83                 if (stereo) {
84                         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
85                                                  AC_AMP_GET_LEFT | dir | i);
86                         snd_iprintf(buffer, "0x%02x ", val);
87                 }
88                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
89                                          AC_AMP_GET_RIGHT | dir | i);
90                 snd_iprintf(buffer, "0x%02x]", val);
91         }
92         snd_iprintf(buffer, "\n");
93 }
94
95 static void print_pcm_caps(struct snd_info_buffer *buffer,
96                            struct hda_codec *codec, hda_nid_t nid)
97 {
98         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
99         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
100         if (pcm == -1 || stream == -1) {
101                 snd_iprintf(buffer, "N/A\n");
102                 return;
103         }
104         snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
105                     pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
106 }
107
108 static const char *get_jack_location(u32 cfg)
109 {
110         static char *bases[7] = {
111                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
112         };
113         static unsigned char specials_idx[] = {
114                 0x07, 0x08,
115                 0x17, 0x18, 0x19,
116                 0x37, 0x38
117         };
118         static char *specials[] = {
119                 "Rear Panel", "Drive Bar",
120                 "Riser", "HDMI", "ATAPI",
121                 "Mobile-In", "Mobile-Out"
122         };
123         int i;
124         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
125         if ((cfg & 0x0f) < 7)
126                 return bases[cfg & 0x0f];
127         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
128                 if (cfg == specials_idx[i])
129                         return specials[i];
130         }
131         return "UNKNOWN";
132 }
133
134 static const char *get_jack_connection(u32 cfg)
135 {
136         static char *names[16] = {
137                 "Unknown", "1/8", "1/4", "ATAPI",
138                 "RCA", "Optical","Digital", "Analog",
139                 "DIN", "XLR", "RJ11", "Comb",
140                 NULL, NULL, NULL, "Other"
141         };
142         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
143         if (names[cfg])
144                 return names[cfg];
145         else
146                 return "UNKNOWN";
147 }
148
149 static const char *get_jack_color(u32 cfg)
150 {
151         static char *names[16] = {
152                 "Unknown", "Black", "Grey", "Blue",
153                 "Green", "Red", "Orange", "Yellow",
154                 "Purple", "Pink", NULL, NULL,
155                 NULL, NULL, "White", "Other",
156         };
157         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
158         if (names[cfg])
159                 return names[cfg];
160         else
161                 return "UNKNOWN";
162 }
163
164 static void print_pin_caps(struct snd_info_buffer *buffer,
165                            struct hda_codec *codec, hda_nid_t nid)
166 {
167         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
168         static char *jack_types[16] = {
169                 "Line Out", "Speaker", "HP Out", "CD",
170                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
171                 "Line In", "Aux", "Mic", "Telephony",
172                 "SPDIF In", "Digitial In", "Reserved", "Other"
173         };
174         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
175         unsigned int caps;
176
177         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
178         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
179         if (caps & AC_PINCAP_IN)
180                 snd_iprintf(buffer, " IN");
181         if (caps & AC_PINCAP_OUT)
182                 snd_iprintf(buffer, " OUT");
183         if (caps & AC_PINCAP_HP_DRV)
184                 snd_iprintf(buffer, " HP");
185         snd_iprintf(buffer, "\n");
186         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
187         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
188                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
189                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
190                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
191                     get_jack_location(caps));
192         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
193                     get_jack_connection(caps),
194                     get_jack_color(caps));
195 }
196
197
198 static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
199 {
200         struct hda_codec *codec = entry->private_data;
201         char buf[32];
202         hda_nid_t nid;
203         int i, nodes;
204
205         snd_hda_get_codec_name(codec, buf, sizeof(buf));
206         snd_iprintf(buffer, "Codec: %s\n", buf);
207         snd_iprintf(buffer, "Address: %d\n", codec->addr);
208         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
209         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
210         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
211         if (! codec->afg)
212                 return;
213         snd_iprintf(buffer, "Default PCM: ");
214         print_pcm_caps(buffer, codec, codec->afg);
215         snd_iprintf(buffer, "Default Amp-In caps: ");
216         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
217         snd_iprintf(buffer, "Default Amp-Out caps: ");
218         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
219
220         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
221         if (! nid || nodes < 0) {
222                 snd_iprintf(buffer, "Invalid AFG subtree\n");
223                 return;
224         }
225         for (i = 0; i < nodes; i++, nid++) {
226                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
227                                                            AC_PAR_AUDIO_WIDGET_CAP);
228                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
229                 int conn_len = 0; 
230                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
231
232                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
233                             get_wid_type_name(wid_type), wid_caps);
234                 if (wid_caps & AC_WCAP_STEREO)
235                         snd_iprintf(buffer, " Stereo");
236                 else
237                         snd_iprintf(buffer, " Mono");
238                 if (wid_caps & AC_WCAP_DIGITAL)
239                         snd_iprintf(buffer, " Digital");
240                 if (wid_caps & AC_WCAP_IN_AMP)
241                         snd_iprintf(buffer, " Amp-In");
242                 if (wid_caps & AC_WCAP_OUT_AMP)
243                         snd_iprintf(buffer, " Amp-Out");
244                 snd_iprintf(buffer, "\n");
245
246                 if (wid_caps & AC_WCAP_CONN_LIST)
247                         conn_len = snd_hda_get_connections(codec, nid, conn,
248                                                            HDA_MAX_CONNECTIONS);
249
250                 if (wid_caps & AC_WCAP_IN_AMP) {
251                         snd_iprintf(buffer, "  Amp-In caps: ");
252                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
253                         snd_iprintf(buffer, "  Amp-In vals: ");
254                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
255                                        wid_caps & AC_WCAP_STEREO, conn_len);
256                 }
257                 if (wid_caps & AC_WCAP_OUT_AMP) {
258                         snd_iprintf(buffer, "  Amp-Out caps: ");
259                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
260                         snd_iprintf(buffer, "  Amp-Out vals: ");
261                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
262                                        wid_caps & AC_WCAP_STEREO, 1);
263                 }
264
265                 if (wid_type == AC_WID_PIN) {
266                         unsigned int pinctls;
267                         print_pin_caps(buffer, codec, nid);
268                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
269                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
270                         if (pinctls & AC_PINCTL_IN_EN)
271                                 snd_iprintf(buffer, " IN");
272                         if (pinctls & AC_PINCTL_OUT_EN)
273                                 snd_iprintf(buffer, " OUT");
274                         if (pinctls & AC_PINCTL_HP_EN)
275                                 snd_iprintf(buffer, " HP");
276                         snd_iprintf(buffer, "\n");
277                 }
278
279                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
280                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
281                         snd_iprintf(buffer, "  PCM: ");
282                         print_pcm_caps(buffer, codec, nid);
283                 }
284
285                 if (wid_caps & AC_WCAP_POWER)
286                         snd_iprintf(buffer, "  Power: 0x%x\n",
287                                     snd_hda_codec_read(codec, nid, 0,
288                                                        AC_VERB_GET_POWER_STATE, 0));
289
290                 if (wid_caps & AC_WCAP_CONN_LIST) {
291                         int c, curr = -1;
292                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
293                                 curr = snd_hda_codec_read(codec, nid, 0,
294                                         AC_VERB_GET_CONNECT_SEL, 0);
295                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
296                         snd_iprintf(buffer, "    ");
297                         for (c = 0; c < conn_len; c++) {
298                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
299                                 if (c == curr)
300                                         snd_iprintf(buffer, "*");
301                         }
302                         snd_iprintf(buffer, "\n");
303                 }
304         }
305 }
306
307 /*
308  * create a proc read
309  */
310 int snd_hda_codec_proc_new(struct hda_codec *codec)
311 {
312         char name[32];
313         struct snd_info_entry *entry;
314         int err;
315
316         snprintf(name, sizeof(name), "codec#%d", codec->addr);
317         err = snd_card_proc_new(codec->bus->card, name, &entry);
318         if (err < 0)
319                 return err;
320
321         snd_info_set_text_ops(entry, codec, 32 * 1024, print_codec_info);
322         return 0;
323 }
324