[ALSA] Make buffer size of proc text interface variable
[deliverable/linux.git] / sound / pci / hda / hda_proc.c
CommitLineData
1da177e4
LT
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"
18612048 29#include "hda_local.h"
1da177e4
LT
30
31static 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
c8b6bf9b 51static void print_amp_caps(struct snd_info_buffer *buffer,
1da177e4
LT
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
c8b6bf9b 70static void print_amp_vals(struct snd_info_buffer *buffer,
1da177e4 71 struct hda_codec *codec, hda_nid_t nid,
3e289f16 72 int dir, int stereo, int indices)
1da177e4
LT
73{
74 unsigned int val;
3e289f16
TI
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 }
1da177e4 88 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
3e289f16
TI
89 AC_AMP_GET_RIGHT | dir | i);
90 snd_iprintf(buffer, "0x%02x]", val);
1da177e4 91 }
3e289f16 92 snd_iprintf(buffer, "\n");
1da177e4
LT
93}
94
c8b6bf9b 95static void print_pcm_caps(struct snd_info_buffer *buffer,
1da177e4
LT
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
108static 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
134static 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
149static 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
c8b6bf9b 164static void print_pin_caps(struct snd_info_buffer *buffer,
1da177e4
LT
165 struct hda_codec *codec, hda_nid_t nid)
166{
b0c95f51 167 static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
1da177e4
LT
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);
b0c95f51
TI
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],
1da177e4
LT
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
c8b6bf9b 198static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
1da177e4
LT
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);
ec9e1c5c
TI
211 if (! codec->afg)
212 return;
1da177e4
LT
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;
3e289f16
TI
229 int conn_len = 0;
230 hda_nid_t conn[HDA_MAX_CONNECTIONS];
231
1da177e4
LT
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
3e289f16
TI
246 if (wid_caps & AC_WCAP_CONN_LIST)
247 conn_len = snd_hda_get_connections(codec, nid, conn,
248 HDA_MAX_CONNECTIONS);
249
1da177e4
LT
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,
3e289f16 255 wid_caps & AC_WCAP_STEREO, conn_len);
1da177e4
LT
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,
3e289f16 262 wid_caps & AC_WCAP_STEREO, 1);
1da177e4
LT
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
b7027cc2
TI
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
1da177e4 290 if (wid_caps & AC_WCAP_CONN_LIST) {
3e289f16 291 int c, curr = -1;
c3010982
CT
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);
1da177e4
LT
295 snd_iprintf(buffer, " Connection: %d\n", conn_len);
296 snd_iprintf(buffer, " ");
c3010982 297 for (c = 0; c < conn_len; c++) {
1da177e4 298 snd_iprintf(buffer, " 0x%02x", conn[c]);
c3010982
CT
299 if (c == curr)
300 snd_iprintf(buffer, "*");
301 }
1da177e4
LT
302 snd_iprintf(buffer, "\n");
303 }
304 }
305}
306
307/*
308 * create a proc read
309 */
310int snd_hda_codec_proc_new(struct hda_codec *codec)
311{
312 char name[32];
c8b6bf9b 313 struct snd_info_entry *entry;
1da177e4
LT
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
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