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
  29static 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
  40static 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
  61static 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
 101static 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
 110static 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 */
 147static 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
 162static 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 */
 172static 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
 209void 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