Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
lola_proc.c
Go to the documentation of this file.
1 /*
2  * Support for Digigram Lola PCI-e boards
3  *
4  * Copyright (c) 2011 Takashi Iwai <[email protected]>
5  *
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.
10  *
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.
15  *
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.
19  */
20 
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"
28 
29 static void print_audio_widget(struct snd_info_buffer *buffer,
30  struct lola *chip, int nid, const char *name)
31 {
32  unsigned int val;
33 
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);
38 }
39 
40 static void print_pin_widget(struct snd_info_buffer *buffer,
41  struct lola *chip, int nid, unsigned int ampcap,
42  const char *name)
43 {
44  unsigned int val;
45 
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);
59 }
60 
61 static void print_clock_widget(struct snd_info_buffer *buffer,
62  struct lola *chip, int nid)
63 {
64  int i, j, num_clocks;
65  unsigned int val;
66 
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;
74 
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";
94  }
95  snd_iprintf(buffer, " Clock %d: Type %d:%s, freq=%d\n",
96  i + j, type, name, freq);
97  }
98  }
99 }
100 
101 static void print_mixer_widget(struct snd_info_buffer *buffer,
102  struct lola *chip, int nid)
103 {
104  unsigned int val;
105 
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);
108 }
109 
110 static void lola_proc_codec_read(struct snd_info_entry *entry,
111  struct snd_info_buffer *buffer)
112 {
113  struct lola *chip = entry->private_data;
114  unsigned int val;
115  int i, nid;
116 
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++;
139  }
140  if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
141  print_mixer_widget(buffer, chip, nid);
142  nid++;
143  }
144 }
145 
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)
149 {
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);
159  }
160 }
161 
162 static void lola_proc_codec_rw_read(struct snd_info_entry *entry,
163  struct snd_info_buffer *buffer)
164 {
165  struct lola *chip = entry->private_data;
166  snd_iprintf(buffer, "0x%x 0x%x\n", chip->debug_res, chip->debug_res_ex);
167 }
168 
169 /*
170  * dump some registers
171  */
172 static void lola_proc_regs_read(struct snd_info_entry *entry,
173  struct snd_info_buffer *buffer)
174 {
175  struct lola *chip = entry->private_data;
176  int i;
177 
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));
181  }
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));
186  }
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));
191  }
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));
206  }
207 }
208 
209 void __devinit lola_proc_debug_new(struct lola *chip)
210 {
211  struct snd_info_entry *entry;
212 
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;
219  }
220  if (!snd_card_proc_new(chip->card, "regs", &entry))
221  snd_info_set_text_ops(entry, chip, lola_proc_regs_read);
222 }
Generated on Thu Jan 10 2013 15:06:50 for Linux Kernel by   doxygen 1.8.2