linux/sound/pci/lola/lola_proc.c
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   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
  16static 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
  27static 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
  48static 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
  88static 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
  97static 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 */
 134static 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
 149static 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 */
 159static 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
 196void 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}
 204