aufs: possible bugfix, allow the nested aufsd between several aufs mounts
[zen-stable.git] / sound / pci / lola / lola_proc.c
blob9d7daf897c9d2f5c474e5eeaf6a47e21a23c5f1c
1 /*
2 * Support for Digigram Lola PCI-e boards
4 * Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
9 * any later version.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc., 59
18 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/io.h>
24 #include <sound/core.h>
25 #include <sound/info.h>
26 #include <sound/pcm.h>
27 #include "lola.h"
29 static void print_audio_widget(struct snd_info_buffer *buffer,
30 struct lola *chip, int nid, const char *name)
32 unsigned int val;
34 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
35 snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
36 lola_read_param(chip, nid, LOLA_PAR_STREAM_FORMATS, &val);
37 snd_iprintf(buffer, " Formats: 0x%x\n", val);
40 static void print_pin_widget(struct snd_info_buffer *buffer,
41 struct lola *chip, int nid, unsigned int ampcap,
42 const char *name)
44 unsigned int val;
46 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
47 snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
48 if (val == 0x00400200)
49 return;
50 lola_read_param(chip, nid, ampcap, &val);
51 snd_iprintf(buffer, " Amp-Caps: 0x%x\n", val);
52 snd_iprintf(buffer, " mute=%d, step-size=%d, steps=%d, ofs=%d\n",
53 LOLA_AMP_MUTE_CAPABLE(val),
54 LOLA_AMP_STEP_SIZE(val),
55 LOLA_AMP_NUM_STEPS(val),
56 LOLA_AMP_OFFSET(val));
57 lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val, NULL);
58 snd_iprintf(buffer, " Max-level: 0x%x\n", val);
61 static void print_clock_widget(struct snd_info_buffer *buffer,
62 struct lola *chip, int nid)
64 int i, j, num_clocks;
65 unsigned int val;
67 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
68 snd_iprintf(buffer, "Node 0x%02x [Clock] wcaps 0x%x\n", nid, val);
69 num_clocks = val & 0xff;
70 for (i = 0; i < num_clocks; i += 4) {
71 unsigned int res_ex;
72 unsigned short items[4];
73 const char *name;
75 lola_codec_read(chip, nid, LOLA_VERB_GET_CLOCK_LIST,
76 i, 0, &val, &res_ex);
77 items[0] = val & 0xfff;
78 items[1] = (val >> 16) & 0xfff;
79 items[2] = res_ex & 0xfff;
80 items[3] = (res_ex >> 16) & 0xfff;
81 for (j = 0; j < 4; j++) {
82 unsigned char type = items[j] >> 8;
83 unsigned int freq = items[j] & 0xff;
84 if (i + j >= num_clocks)
85 break;
86 if (type == LOLA_CLOCK_TYPE_INTERNAL) {
87 name = "Internal";
88 freq = lola_sample_rate_convert(freq);
89 } else if (type == LOLA_CLOCK_TYPE_VIDEO) {
90 name = "Video";
91 freq = lola_sample_rate_convert(freq);
92 } else {
93 name = "Other";
95 snd_iprintf(buffer, " Clock %d: Type %d:%s, freq=%d\n",
96 i + j, type, name, freq);
101 static void print_mixer_widget(struct snd_info_buffer *buffer,
102 struct lola *chip, int nid)
104 unsigned int val;
106 lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
107 snd_iprintf(buffer, "Node 0x%02x [Mixer] wcaps 0x%x\n", nid, val);
110 static void lola_proc_codec_read(struct snd_info_entry *entry,
111 struct snd_info_buffer *buffer)
113 struct lola *chip = entry->private_data;
114 unsigned int val;
115 int i, nid;
117 lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val);
118 snd_iprintf(buffer, "Vendor: 0x%08x\n", val);
119 lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val);
120 snd_iprintf(buffer, "Function Type: %d\n", val);
121 lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val);
122 snd_iprintf(buffer, "Specific-Caps: 0x%08x\n", val);
123 snd_iprintf(buffer, " Pins-In %d, Pins-Out %d\n",
124 chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins);
125 nid = 2;
126 for (i = 0; i < chip->pcm[CAPT].num_streams; i++, nid++)
127 print_audio_widget(buffer, chip, nid, "[Audio-In]");
128 for (i = 0; i < chip->pcm[PLAY].num_streams; i++, nid++)
129 print_audio_widget(buffer, chip, nid, "[Audio-Out]");
130 for (i = 0; i < chip->pin[CAPT].num_pins; i++, nid++)
131 print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_IN_CAP,
132 "[Pin-In]");
133 for (i = 0; i < chip->pin[PLAY].num_pins; i++, nid++)
134 print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_OUT_CAP,
135 "[Pin-Out]");
136 if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) {
137 print_clock_widget(buffer, chip, nid);
138 nid++;
140 if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
141 print_mixer_widget(buffer, chip, nid);
142 nid++;
146 /* direct codec access for debugging */
147 static void lola_proc_codec_rw_write(struct snd_info_entry *entry,
148 struct snd_info_buffer *buffer)
150 struct lola *chip = entry->private_data;
151 char line[64];
152 unsigned int id, verb, data, extdata;
153 while (!snd_info_get_line(buffer, line, sizeof(line))) {
154 if (sscanf(line, "%i %i %i %i", &id, &verb, &data, &extdata) != 4)
155 continue;
156 lola_codec_read(chip, id, verb, data, extdata,
157 &chip->debug_res,
158 &chip->debug_res_ex);
162 static void lola_proc_codec_rw_read(struct snd_info_entry *entry,
163 struct snd_info_buffer *buffer)
165 struct lola *chip = entry->private_data;
166 snd_iprintf(buffer, "0x%x 0x%x\n", chip->debug_res, chip->debug_res_ex);
170 * dump some registers
172 static void lola_proc_regs_read(struct snd_info_entry *entry,
173 struct snd_info_buffer *buffer)
175 struct lola *chip = entry->private_data;
176 int i;
178 for (i = 0; i < 0x40; i += 4) {
179 snd_iprintf(buffer, "BAR0 %02x: %08x\n", i,
180 readl(chip->bar[BAR0].remap_addr + i));
182 snd_iprintf(buffer, "\n");
183 for (i = 0; i < 0x30; i += 4) {
184 snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
185 readl(chip->bar[BAR1].remap_addr + i));
187 snd_iprintf(buffer, "\n");
188 for (i = 0x80; i < 0xa0; i += 4) {
189 snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
190 readl(chip->bar[BAR1].remap_addr + i));
192 snd_iprintf(buffer, "\n");
193 for (i = 0; i < 32; i++) {
194 snd_iprintf(buffer, "DSD %02x STS %08x\n", i,
195 lola_dsd_read(chip, i, STS));
196 snd_iprintf(buffer, "DSD %02x LPIB %08x\n", i,
197 lola_dsd_read(chip, i, LPIB));
198 snd_iprintf(buffer, "DSD %02x CTL %08x\n", i,
199 lola_dsd_read(chip, i, CTL));
200 snd_iprintf(buffer, "DSD %02x LVIL %08x\n", i,
201 lola_dsd_read(chip, i, LVI));
202 snd_iprintf(buffer, "DSD %02x BDPL %08x\n", i,
203 lola_dsd_read(chip, i, BDPL));
204 snd_iprintf(buffer, "DSD %02x BDPU %08x\n", i,
205 lola_dsd_read(chip, i, BDPU));
209 void __devinit lola_proc_debug_new(struct lola *chip)
211 struct snd_info_entry *entry;
213 if (!snd_card_proc_new(chip->card, "codec", &entry))
214 snd_info_set_text_ops(entry, chip, lola_proc_codec_read);
215 if (!snd_card_proc_new(chip->card, "codec_rw", &entry)) {
216 snd_info_set_text_ops(entry, chip, lola_proc_codec_rw_read);
217 entry->mode |= S_IWUSR;
218 entry->c.text.write = lola_proc_codec_rw_write;
220 if (!snd_card_proc_new(chip->card, "regs", &entry))
221 snd_info_set_text_ops(entry, chip, lola_proc_regs_read);