de1217bd8e68288733f59fcdab0f4ea6441c33e2
[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
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 "UNKOWN Widget";
48 }
49
50 static void print_amp_caps(snd_info_buffer_t *buffer,
51                            struct hda_codec *codec, hda_nid_t nid, int dir)
52 {
53         unsigned int caps;
54         if (dir == HDA_OUTPUT)
55                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_OUT_CAP);
56         else
57                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_IN_CAP);
58         if (caps == -1 || caps == 0) {
59                 snd_iprintf(buffer, "N/A\n");
60                 return;
61         }
62         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, 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(snd_info_buffer_t *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         if (dir == HDA_OUTPUT)
77                 dir = AC_AMP_GET_OUTPUT;
78         else
79                 dir = AC_AMP_GET_INPUT;
80         for (i = 0; i < indices; i++) {
81                 snd_iprintf(buffer, " [");
82                 if (stereo) {
83                         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
84                                                  AC_AMP_GET_LEFT | dir | i);
85                         snd_iprintf(buffer, "0x%02x ", val);
86                 }
87                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
88                                          AC_AMP_GET_RIGHT | dir | i);
89                 snd_iprintf(buffer, "0x%02x]", val);
90         }
91         snd_iprintf(buffer, "\n");
92 }
93
94 static void print_pcm_caps(snd_info_buffer_t *buffer,
95                            struct hda_codec *codec, hda_nid_t nid)
96 {
97         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
98         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
99         if (pcm == -1 || stream == -1) {
100                 snd_iprintf(buffer, "N/A\n");
101                 return;
102         }
103         snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
104                     pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
105 }
106
107 static const char *get_jack_location(u32 cfg)
108 {
109         static char *bases[7] = {
110                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
111         };
112         static unsigned char specials_idx[] = {
113                 0x07, 0x08,
114                 0x17, 0x18, 0x19,
115                 0x37, 0x38
116         };
117         static char *specials[] = {
118                 "Rear Panel", "Drive Bar",
119                 "Riser", "HDMI", "ATAPI",
120                 "Mobile-In", "Mobile-Out"
121         };
122         int i;
123         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
124         if ((cfg & 0x0f) < 7)
125                 return bases[cfg & 0x0f];
126         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
127                 if (cfg == specials_idx[i])
128                         return specials[i];
129         }
130         return "UNKNOWN";
131 }
132
133 static const char *get_jack_connection(u32 cfg)
134 {
135         static char *names[16] = {
136                 "Unknown", "1/8", "1/4", "ATAPI",
137                 "RCA", "Optical","Digital", "Analog",
138                 "DIN", "XLR", "RJ11", "Comb",
139                 NULL, NULL, NULL, "Other"
140         };
141         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
142         if (names[cfg])
143                 return names[cfg];
144         else
145                 return "UNKNOWN";
146 }
147
148 static const char *get_jack_color(u32 cfg)
149 {
150         static char *names[16] = {
151                 "Unknown", "Black", "Grey", "Blue",
152                 "Green", "Red", "Orange", "Yellow",
153                 "Purple", "Pink", NULL, NULL,
154                 NULL, NULL, "White", "Other",
155         };
156         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
157         if (names[cfg])
158                 return names[cfg];
159         else
160                 return "UNKNOWN";
161 }
162
163 static void print_pin_caps(snd_info_buffer_t *buffer,
164                            struct hda_codec *codec, hda_nid_t nid)
165 {
166         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
167         static char *jack_types[16] = {
168                 "Line Out", "Speaker", "HP Out", "CD",
169                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
170                 "Line In", "Aux", "Mic", "Telephony",
171                 "SPDIF In", "Digitial In", "Reserved", "Other"
172         };
173         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
174         unsigned int caps;
175
176         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
177         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
178         if (caps & AC_PINCAP_IN)
179                 snd_iprintf(buffer, " IN");
180         if (caps & AC_PINCAP_OUT)
181                 snd_iprintf(buffer, " OUT");
182         if (caps & AC_PINCAP_HP_DRV)
183                 snd_iprintf(buffer, " HP");
184         snd_iprintf(buffer, "\n");
185         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
186         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
187                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
188                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
189                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
190                     get_jack_location(caps));
191         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
192                     get_jack_connection(caps),
193                     get_jack_color(caps));
194 }
195
196
197 static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
198 {
199         struct hda_codec *codec = entry->private_data;
200         char buf[32];
201         hda_nid_t nid;
202         int i, nodes;
203
204         snd_hda_get_codec_name(codec, buf, sizeof(buf));
205         snd_iprintf(buffer, "Codec: %s\n", buf);
206         snd_iprintf(buffer, "Address: %d\n", codec->addr);
207         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
208         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
209         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
210         snd_iprintf(buffer, "Default PCM: ");
211         print_pcm_caps(buffer, codec, codec->afg);
212         snd_iprintf(buffer, "Default Amp-In caps: ");
213         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
214         snd_iprintf(buffer, "Default Amp-Out caps: ");
215         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
216
217         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
218         if (! nid || nodes < 0) {
219                 snd_iprintf(buffer, "Invalid AFG subtree\n");
220                 return;
221         }
222         for (i = 0; i < nodes; i++, nid++) {
223                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
224                                                            AC_PAR_AUDIO_WIDGET_CAP);
225                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
226                 int conn_len = 0; 
227                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
228
229                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
230                             get_wid_type_name(wid_type), wid_caps);
231                 if (wid_caps & AC_WCAP_STEREO)
232                         snd_iprintf(buffer, " Stereo");
233                 else
234                         snd_iprintf(buffer, " Mono");
235                 if (wid_caps & AC_WCAP_DIGITAL)
236                         snd_iprintf(buffer, " Digital");
237                 if (wid_caps & AC_WCAP_IN_AMP)
238                         snd_iprintf(buffer, " Amp-In");
239                 if (wid_caps & AC_WCAP_OUT_AMP)
240                         snd_iprintf(buffer, " Amp-Out");
241                 snd_iprintf(buffer, "\n");
242
243                 if (wid_caps & AC_WCAP_CONN_LIST)
244                         conn_len = snd_hda_get_connections(codec, nid, conn,
245                                                            HDA_MAX_CONNECTIONS);
246
247                 if (wid_caps & AC_WCAP_IN_AMP) {
248                         snd_iprintf(buffer, "  Amp-In caps: ");
249                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
250                         snd_iprintf(buffer, "  Amp-In vals: ");
251                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
252                                        wid_caps & AC_WCAP_STEREO, conn_len);
253                 }
254                 if (wid_caps & AC_WCAP_OUT_AMP) {
255                         snd_iprintf(buffer, "  Amp-Out caps: ");
256                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
257                         snd_iprintf(buffer, "  Amp-Out vals: ");
258                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
259                                        wid_caps & AC_WCAP_STEREO, 1);
260                 }
261
262                 if (wid_type == AC_WID_PIN) {
263                         unsigned int pinctls;
264                         print_pin_caps(buffer, codec, nid);
265                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
266                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
267                         if (pinctls & AC_PINCTL_IN_EN)
268                                 snd_iprintf(buffer, " IN");
269                         if (pinctls & AC_PINCTL_OUT_EN)
270                                 snd_iprintf(buffer, " OUT");
271                         if (pinctls & AC_PINCTL_HP_EN)
272                                 snd_iprintf(buffer, " HP");
273                         snd_iprintf(buffer, "\n");
274                 }
275
276                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
277                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
278                         snd_iprintf(buffer, "  PCM: ");
279                         print_pcm_caps(buffer, codec, nid);
280                 }
281
282                 if (wid_caps & AC_WCAP_CONN_LIST) {
283                         int c, curr = -1;
284                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
285                                 curr = snd_hda_codec_read(codec, nid, 0,
286                                         AC_VERB_GET_CONNECT_SEL, 0);
287                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
288                         snd_iprintf(buffer, "    ");
289                         for (c = 0; c < conn_len; c++) {
290                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
291                                 if (c == curr)
292                                         snd_iprintf(buffer, "*");
293                         }
294                         snd_iprintf(buffer, "\n");
295                 }
296         }
297 }
298
299 /*
300  * create a proc read
301  */
302 int snd_hda_codec_proc_new(struct hda_codec *codec)
303 {
304         char name[32];
305         snd_info_entry_t *entry;
306         int err;
307
308         snprintf(name, sizeof(name), "codec#%d", codec->addr);
309         err = snd_card_proc_new(codec->bus->card, name, &entry);
310         if (err < 0)
311                 return err;
312
313         snd_info_set_text_ops(entry, codec, 32 * 1024, print_codec_info);
314         return 0;
315 }
316