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
30static 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
50static 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
68static 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
90static 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
106static 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
119static 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
132static 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
146static 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
172static 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
187static 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
202static 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
240static 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	if (! codec->afg)
254		return;
255	snd_iprintf(buffer, "Default PCM:\n");
256	print_pcm_caps(buffer, codec, codec->afg);
257	snd_iprintf(buffer, "Default Amp-In caps: ");
258	print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
259	snd_iprintf(buffer, "Default Amp-Out caps: ");
260	print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
261
262	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
263	if (! nid || nodes < 0) {
264		snd_iprintf(buffer, "Invalid AFG subtree\n");
265		return;
266	}
267	for (i = 0; i < nodes; i++, nid++) {
268		unsigned int wid_caps = snd_hda_param_read(codec, nid,
269							   AC_PAR_AUDIO_WIDGET_CAP);
270		unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
271		int conn_len = 0;
272		hda_nid_t conn[HDA_MAX_CONNECTIONS];
273
274		snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
275			    get_wid_type_name(wid_type), wid_caps);
276		if (wid_caps & AC_WCAP_STEREO)
277			snd_iprintf(buffer, " Stereo");
278		else
279			snd_iprintf(buffer, " Mono");
280		if (wid_caps & AC_WCAP_DIGITAL)
281			snd_iprintf(buffer, " Digital");
282		if (wid_caps & AC_WCAP_IN_AMP)
283			snd_iprintf(buffer, " Amp-In");
284		if (wid_caps & AC_WCAP_OUT_AMP)
285			snd_iprintf(buffer, " Amp-Out");
286		snd_iprintf(buffer, "\n");
287
288		if (wid_caps & AC_WCAP_CONN_LIST)
289			conn_len = snd_hda_get_connections(codec, nid, conn,
290							   HDA_MAX_CONNECTIONS);
291
292		if (wid_caps & AC_WCAP_IN_AMP) {
293			snd_iprintf(buffer, "  Amp-In caps: ");
294			print_amp_caps(buffer, codec, nid, HDA_INPUT);
295			snd_iprintf(buffer, "  Amp-In vals: ");
296			print_amp_vals(buffer, codec, nid, HDA_INPUT,
297				       wid_caps & AC_WCAP_STEREO, conn_len);
298		}
299		if (wid_caps & AC_WCAP_OUT_AMP) {
300			snd_iprintf(buffer, "  Amp-Out caps: ");
301			print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
302			snd_iprintf(buffer, "  Amp-Out vals: ");
303			print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
304				       wid_caps & AC_WCAP_STEREO, 1);
305		}
306
307		if (wid_type == AC_WID_PIN) {
308			unsigned int pinctls;
309			print_pin_caps(buffer, codec, nid);
310			pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
311			snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
312			if (pinctls & AC_PINCTL_IN_EN)
313				snd_iprintf(buffer, " IN");
314			if (pinctls & AC_PINCTL_OUT_EN)
315				snd_iprintf(buffer, " OUT");
316			if (pinctls & AC_PINCTL_HP_EN)
317				snd_iprintf(buffer, " HP");
318			snd_iprintf(buffer, "\n");
319		}
320
321		if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
322		    (wid_caps & AC_WCAP_FORMAT_OVRD)) {
323			snd_iprintf(buffer, "  PCM:\n");
324			print_pcm_caps(buffer, codec, nid);
325		}
326
327		if (wid_caps & AC_WCAP_POWER)
328			snd_iprintf(buffer, "  Power: 0x%x\n",
329				    snd_hda_codec_read(codec, nid, 0,
330						       AC_VERB_GET_POWER_STATE, 0));
331
332		if (wid_caps & AC_WCAP_CONN_LIST) {
333			int c, curr = -1;
334			if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
335				curr = snd_hda_codec_read(codec, nid, 0,
336					AC_VERB_GET_CONNECT_SEL, 0);
337			snd_iprintf(buffer, "  Connection: %d\n", conn_len);
338			snd_iprintf(buffer, "    ");
339			for (c = 0; c < conn_len; c++) {
340				snd_iprintf(buffer, " 0x%02x", conn[c]);
341				if (c == curr)
342					snd_iprintf(buffer, "*");
343			}
344			snd_iprintf(buffer, "\n");
345		}
346	}
347}
348
349/*
350 * create a proc read
351 */
352int snd_hda_codec_proc_new(struct hda_codec *codec)
353{
354	char name[32];
355	struct snd_info_entry *entry;
356	int err;
357
358	snprintf(name, sizeof(name), "codec#%d", codec->addr);
359	err = snd_card_proc_new(codec->bus->card, name, &entry);
360	if (err < 0)
361		return err;
362
363	snd_info_set_text_ops(entry, codec, print_codec_info);
364	return 0;
365}
366