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Linux/sound/pci/lola/lola_proc.c

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  1 /*
  2  *  Support for Digigram Lola PCI-e boards
  3  *
  4  *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
  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, "%u %u %u %u", &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 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 }
223 

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