sound/pci/lola/lola_proc.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  Support for Digigram Lola PCI-e boards
   4  *
   5  *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/init.h>
  10 #include <linux/io.h>
  11 #include <sound/core.h>
  12 #include <sound/info.h>
  13 #include <sound/pcm.h>
  14 #include "lola.h"
  15
  16 static void print_audio_widget(struct snd_info_buffer *buffer,
  17                                struct lola *chip, int nid, const char *name)
  18 {
  19         unsigned int val;
  20
  21         lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
  22         snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
  23         lola_read_param(chip, nid, LOLA_PAR_STREAM_FORMATS, &val);
  24         snd_iprintf(buffer, "  Formats: 0x%x\n", val);
  25 }
  26
  27 static void print_pin_widget(struct snd_info_buffer *buffer,
  28                              struct lola *chip, int nid, unsigned int ampcap,
  29                              const char *name)
  30 {
  31         unsigned int val;
  32
  33         lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
  34         snd_iprintf(buffer, "Node 0x%02x %s wcaps 0x%x\n", nid, name, val);
  35         if (val == 0x00400200)
  36                 return;
  37         lola_read_param(chip, nid, ampcap, &val);
  38         snd_iprintf(buffer, "  Amp-Caps: 0x%x\n", val);
  39         snd_iprintf(buffer, "    mute=%d, step-size=%d, steps=%d, ofs=%d\n",
  40                     LOLA_AMP_MUTE_CAPABLE(val),
  41                     LOLA_AMP_STEP_SIZE(val),
  42                     LOLA_AMP_NUM_STEPS(val),
  43                     LOLA_AMP_OFFSET(val));
  44         lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val, NULL);
  45         snd_iprintf(buffer, "  Max-level: 0x%x\n", val);
  46 }
  47
  48 static void print_clock_widget(struct snd_info_buffer *buffer,
  49                                struct lola *chip, int nid)
  50 {
  51         int i, j, num_clocks;
  52         unsigned int val;
  53
  54         lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
  55         snd_iprintf(buffer, "Node 0x%02x [Clock] wcaps 0x%x\n", nid, val);
  56         num_clocks = val & 0xff;
  57         for (i = 0; i < num_clocks; i += 4) {
  58                 unsigned int res_ex;
  59                 unsigned short items[4];
  60                 const char *name;
  61
  62                 lola_codec_read(chip, nid, LOLA_VERB_GET_CLOCK_LIST,
  63                                 i, 0, &val, &res_ex);
  64                 items[0] = val & 0xfff;
  65                 items[1] = (val >> 16) & 0xfff;
  66                 items[2] = res_ex & 0xfff;
  67                 items[3] = (res_ex >> 16) & 0xfff;
  68                 for (j = 0; j < 4; j++) {
  69                         unsigned char type = items[j] >> 8;
  70                         unsigned int freq = items[j] & 0xff;
  71                         if (i + j >= num_clocks)
  72                                 break;
  73                         if (type == LOLA_CLOCK_TYPE_INTERNAL) {
  74                                 name = "Internal";
  75                                 freq = lola_sample_rate_convert(freq);
  76                         } else if (type == LOLA_CLOCK_TYPE_VIDEO) {
  77                                 name = "Video";
  78                                 freq = lola_sample_rate_convert(freq);
  79                         } else {
  80                                 name = "Other";
  81                         }
  82                         snd_iprintf(buffer, "  Clock %d: Type %d:%s, freq=%d\n",
  83                                     i + j, type, name, freq);
  84                 }
  85         }
  86 }
  87
  88 static void print_mixer_widget(struct snd_info_buffer *buffer,
  89                                struct lola *chip, int nid)
  90 {
  91         unsigned int val;
  92
  93         lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
  94         snd_iprintf(buffer, "Node 0x%02x [Mixer] wcaps 0x%x\n", nid, val);
  95 }
  96
  97 static void lola_proc_codec_read(struct snd_info_entry *entry,
  98                                  struct snd_info_buffer *buffer)
  99 {
 100         struct lola *chip = entry->private_data;
 101         unsigned int val;
 102         int i, nid;
 103
 104         lola_read_param(chip, 0, LOLA_PAR_VENDOR_ID, &val);
 105         snd_iprintf(buffer, "Vendor: 0x%08x\n", val);
 106         lola_read_param(chip, 1, LOLA_PAR_FUNCTION_TYPE, &val);
 107         snd_iprintf(buffer, "Function Type: %d\n", val);
 108         lola_read_param(chip, 1, LOLA_PAR_SPECIFIC_CAPS, &val);
 109         snd_iprintf(buffer, "Specific-Caps: 0x%08x\n", val);
 110         snd_iprintf(buffer, "  Pins-In %d, Pins-Out %d\n",
 111                     chip->pin[CAPT].num_pins, chip->pin[PLAY].num_pins);
 112         nid = 2;
 113         for (i = 0; i < chip->pcm[CAPT].num_streams; i++, nid++)
 114                 print_audio_widget(buffer, chip, nid, "[Audio-In]");
 115         for (i = 0; i < chip->pcm[PLAY].num_streams; i++, nid++)
 116                 print_audio_widget(buffer, chip, nid, "[Audio-Out]");
 117         for (i = 0; i < chip->pin[CAPT].num_pins; i++, nid++)
 118                 print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_IN_CAP,
 119                                  "[Pin-In]");
 120         for (i = 0; i < chip->pin[PLAY].num_pins; i++, nid++)
 121                 print_pin_widget(buffer, chip, nid, LOLA_PAR_AMP_OUT_CAP,
 122                                  "[Pin-Out]");
 123         if (LOLA_AFG_CLOCK_WIDGET_PRESENT(chip->lola_caps)) {
 124                 print_clock_widget(buffer, chip, nid);
 125                 nid++;
 126         }
 127         if (LOLA_AFG_MIXER_WIDGET_PRESENT(chip->lola_caps)) {
 128                 print_mixer_widget(buffer, chip, nid);
 129                 nid++;
 130         }
 131 }
 132
 133 /* direct codec access for debugging */
 134 static void lola_proc_codec_rw_write(struct snd_info_entry *entry,
 135                                      struct snd_info_buffer *buffer)
 136 {
 137         struct lola *chip = entry->private_data;
 138         char line[64];
 139         unsigned int id, verb, data, extdata;
 140         while (!snd_info_get_line(buffer, line, sizeof(line))) {
 141                 if (sscanf(line, "%u %u %u %u", &id, &verb, &data, &extdata) != 4)
 142                         continue;
 143                 lola_codec_read(chip, id, verb, data, extdata,
 144                                 &chip->debug_res,
 145                                 &chip->debug_res_ex);
 146         }
 147 }
 148
 149 static void lola_proc_codec_rw_read(struct snd_info_entry *entry,
 150                                     struct snd_info_buffer *buffer)
 151 {
 152         struct lola *chip = entry->private_data;
 153         snd_iprintf(buffer, "0x%x 0x%x\n", chip->debug_res, chip->debug_res_ex);
 154 }
 155
 156 /*
 157  * dump some registers
 158  */
 159 static void lola_proc_regs_read(struct snd_info_entry *entry,
 160                                 struct snd_info_buffer *buffer)
 161 {
 162         struct lola *chip = entry->private_data;
 163         int i;
 164
 165         for (i = 0; i < 0x40; i += 4) {
 166                 snd_iprintf(buffer, "BAR0 %02x: %08x\n", i,
 167                             readl(chip->bar[BAR0].remap_addr + i));
 168         }
 169         snd_iprintf(buffer, "\n");
 170         for (i = 0; i < 0x30; i += 4) {
 171                 snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
 172                             readl(chip->bar[BAR1].remap_addr + i));
 173         }
 174         snd_iprintf(buffer, "\n");
 175         for (i = 0x80; i < 0xa0; i += 4) {
 176                 snd_iprintf(buffer, "BAR1 %02x: %08x\n", i,
 177                             readl(chip->bar[BAR1].remap_addr + i));
 178         }
 179         snd_iprintf(buffer, "\n");
 180         for (i = 0; i < 32; i++) {
 181                 snd_iprintf(buffer, "DSD %02x STS  %08x\n", i,
 182                             lola_dsd_read(chip, i, STS));
 183                 snd_iprintf(buffer, "DSD %02x LPIB %08x\n", i,
 184                             lola_dsd_read(chip, i, LPIB));
 185                 snd_iprintf(buffer, "DSD %02x CTL  %08x\n", i,
 186                             lola_dsd_read(chip, i, CTL));
 187                 snd_iprintf(buffer, "DSD %02x LVIL %08x\n", i,
 188                             lola_dsd_read(chip, i, LVI));
 189                 snd_iprintf(buffer, "DSD %02x BDPL %08x\n", i,
 190                             lola_dsd_read(chip, i, BDPL));
 191                 snd_iprintf(buffer, "DSD %02x BDPU %08x\n", i,
 192                             lola_dsd_read(chip, i, BDPU));
 193         }
 194 }
 195
 196 void lola_proc_debug_new(struct lola *chip)
 197 {
 198         snd_card_ro_proc_new(chip->card, "codec", chip, lola_proc_codec_read);
 199         snd_card_rw_proc_new(chip->card, "codec_rw", chip,
 200                              lola_proc_codec_rw_read,
 201                              lola_proc_codec_rw_write);
 202         snd_card_ro_proc_new(chip->card, "regs", chip, lola_proc_regs_read);
 203 }