kernel/sound/pci/lola/lola_proc.c

   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 }