sound/firewire/fireworks/fireworks_proc.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * fireworks_proc.c - a part of driver for Fireworks based devices
   4  *
   5  * Copyright (c) 2009-2010 Clemens Ladisch
   6  * Copyright (c) 2013-2014 Takashi Sakamoto
   7  */
   8
   9 #include "./fireworks.h"
  10
  11 static inline const char*
  12 get_phys_name(struct snd_efw_phys_grp *grp, bool input)
  13 {
  14         static const char *const ch_type[] = {
  15                 "Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring",
  16                 "Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String",
  17         };
  18
  19         if (grp->type < ARRAY_SIZE(ch_type))
  20                 return ch_type[grp->type];
  21         else if (input)
  22                 return "Input";
  23         else
  24                 return "Output";
  25 }
  26
  27 static void
  28 proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
  29 {
  30         struct snd_efw *efw = entry->private_data;
  31         unsigned short i;
  32         struct snd_efw_hwinfo *hwinfo;
  33
  34         hwinfo = kmalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL);
  35         if (hwinfo == NULL)
  36                 return;
  37
  38         if (snd_efw_command_get_hwinfo(efw, hwinfo) < 0)
  39                 goto end;
  40
  41         snd_iprintf(buffer, "guid_hi: 0x%X\n", hwinfo->guid_hi);
  42         snd_iprintf(buffer, "guid_lo: 0x%X\n", hwinfo->guid_lo);
  43         snd_iprintf(buffer, "type: 0x%X\n", hwinfo->type);
  44         snd_iprintf(buffer, "version: 0x%X\n", hwinfo->version);
  45         snd_iprintf(buffer, "vendor_name: %s\n", hwinfo->vendor_name);
  46         snd_iprintf(buffer, "model_name: %s\n", hwinfo->model_name);
  47
  48         snd_iprintf(buffer, "dsp_version: 0x%X\n", hwinfo->dsp_version);
  49         snd_iprintf(buffer, "arm_version: 0x%X\n", hwinfo->arm_version);
  50         snd_iprintf(buffer, "fpga_version: 0x%X\n", hwinfo->fpga_version);
  51
  52         snd_iprintf(buffer, "flags: 0x%X\n", hwinfo->flags);
  53
  54         snd_iprintf(buffer, "max_sample_rate: 0x%X\n", hwinfo->max_sample_rate);
  55         snd_iprintf(buffer, "min_sample_rate: 0x%X\n", hwinfo->min_sample_rate);
  56         snd_iprintf(buffer, "supported_clock: 0x%X\n",
  57                     hwinfo->supported_clocks);
  58
  59         snd_iprintf(buffer, "phys out: 0x%X\n", hwinfo->phys_out);
  60         snd_iprintf(buffer, "phys in: 0x%X\n", hwinfo->phys_in);
  61
  62         snd_iprintf(buffer, "phys in grps: 0x%X\n",
  63                     hwinfo->phys_in_grp_count);
  64         for (i = 0; i < hwinfo->phys_in_grp_count; i++) {
  65                 snd_iprintf(buffer,
  66                             "phys in grp[%d]: type 0x%X, count 0x%X\n",
  67                             i, hwinfo->phys_out_grps[i].type,
  68                             hwinfo->phys_out_grps[i].count);
  69         }
  70
  71         snd_iprintf(buffer, "phys out grps: 0x%X\n",
  72                     hwinfo->phys_out_grp_count);
  73         for (i = 0; i < hwinfo->phys_out_grp_count; i++) {
  74                 snd_iprintf(buffer,
  75                             "phys out grps[%d]: type 0x%X, count 0x%X\n",
  76                             i, hwinfo->phys_out_grps[i].type,
  77                             hwinfo->phys_out_grps[i].count);
  78         }
  79
  80         snd_iprintf(buffer, "amdtp rx pcm channels 1x: 0x%X\n",
  81                     hwinfo->amdtp_rx_pcm_channels);
  82         snd_iprintf(buffer, "amdtp tx pcm channels 1x: 0x%X\n",
  83                     hwinfo->amdtp_tx_pcm_channels);
  84         snd_iprintf(buffer, "amdtp rx pcm channels 2x: 0x%X\n",
  85                     hwinfo->amdtp_rx_pcm_channels_2x);
  86         snd_iprintf(buffer, "amdtp tx pcm channels 2x: 0x%X\n",
  87                     hwinfo->amdtp_tx_pcm_channels_2x);
  88         snd_iprintf(buffer, "amdtp rx pcm channels 4x: 0x%X\n",
  89                     hwinfo->amdtp_rx_pcm_channels_4x);
  90         snd_iprintf(buffer, "amdtp tx pcm channels 4x: 0x%X\n",
  91                     hwinfo->amdtp_tx_pcm_channels_4x);
  92
  93         snd_iprintf(buffer, "midi out ports: 0x%X\n", hwinfo->midi_out_ports);
  94         snd_iprintf(buffer, "midi in ports: 0x%X\n", hwinfo->midi_in_ports);
  95
  96         snd_iprintf(buffer, "mixer playback channels: 0x%X\n",
  97                     hwinfo->mixer_playback_channels);
  98         snd_iprintf(buffer, "mixer capture channels: 0x%X\n",
  99                     hwinfo->mixer_capture_channels);
 100 end:
 101         kfree(hwinfo);
 102 }
 103
 104 static void
 105 proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 106 {
 107         struct snd_efw *efw = entry->private_data;
 108         enum snd_efw_clock_source clock_source;
 109         unsigned int sampling_rate;
 110
 111         if (snd_efw_command_get_clock_source(efw, &clock_source) < 0)
 112                 return;
 113
 114         if (snd_efw_command_get_sampling_rate(efw, &sampling_rate) < 0)
 115                 return;
 116
 117         snd_iprintf(buffer, "Clock Source: %d\n", clock_source);
 118         snd_iprintf(buffer, "Sampling Rate: %d\n", sampling_rate);
 119 }
 120
 121 /*
 122  * NOTE:
 123  *  dB = 20 * log10(linear / 0x01000000)
 124  *  -144.0 dB when linear is 0
 125  */
 126 static void
 127 proc_read_phys_meters(struct snd_info_entry *entry,
 128                       struct snd_info_buffer *buffer)
 129 {
 130         struct snd_efw *efw = entry->private_data;
 131         struct snd_efw_phys_meters *meters;
 132         unsigned int g, c, m, max, size;
 133         const char *name;
 134         u32 *linear;
 135         int err;
 136
 137         size = sizeof(struct snd_efw_phys_meters) +
 138                (efw->phys_in + efw->phys_out) * sizeof(u32);
 139         meters = kzalloc(size, GFP_KERNEL);
 140         if (meters == NULL)
 141                 return;
 142
 143         err = snd_efw_command_get_phys_meters(efw, meters, size);
 144         if (err < 0)
 145                 goto end;
 146
 147         snd_iprintf(buffer, "Physical Meters:\n");
 148
 149         m = 0;
 150         max = min(efw->phys_out, meters->out_meters);
 151         linear = meters->values;
 152         snd_iprintf(buffer, " %d Outputs:\n", max);
 153         for (g = 0; g < efw->phys_out_grp_count; g++) {
 154                 name = get_phys_name(&efw->phys_out_grps[g], false);
 155                 for (c = 0; c < efw->phys_out_grps[g].count; c++) {
 156                         if (m < max)
 157                                 snd_iprintf(buffer, "\t%s [%d]: %d\n",
 158                                             name, c, linear[m++]);
 159                 }
 160         }
 161
 162         m = 0;
 163         max = min(efw->phys_in, meters->in_meters);
 164         linear = meters->values + meters->out_meters;
 165         snd_iprintf(buffer, " %d Inputs:\n", max);
 166         for (g = 0; g < efw->phys_in_grp_count; g++) {
 167                 name = get_phys_name(&efw->phys_in_grps[g], true);
 168                 for (c = 0; c < efw->phys_in_grps[g].count; c++)
 169                         if (m < max)
 170                                 snd_iprintf(buffer, "\t%s [%d]: %d\n",
 171                                             name, c, linear[m++]);
 172         }
 173 end:
 174         kfree(meters);
 175 }
 176
 177 static void
 178 proc_read_queues_state(struct snd_info_entry *entry,
 179                        struct snd_info_buffer *buffer)
 180 {
 181         struct snd_efw *efw = entry->private_data;
 182         unsigned int consumed;
 183
 184         if (efw->pull_ptr > efw->push_ptr)
 185                 consumed = snd_efw_resp_buf_size -
 186                            (unsigned int)(efw->pull_ptr - efw->push_ptr);
 187         else
 188                 consumed = (unsigned int)(efw->push_ptr - efw->pull_ptr);
 189
 190         snd_iprintf(buffer, "%d/%d\n",
 191                     consumed, snd_efw_resp_buf_size);
 192 }
 193
 194 static void
 195 add_node(struct snd_efw *efw, struct snd_info_entry *root, const char *name,
 196          void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b))
 197 {
 198         struct snd_info_entry *entry;
 199
 200         entry = snd_info_create_card_entry(efw->card, name, root);
 201         if (entry)
 202                 snd_info_set_text_ops(entry, efw, op);
 203 }
 204
 205 void snd_efw_proc_init(struct snd_efw *efw)
 206 {
 207         struct snd_info_entry *root;
 208
 209         /*
 210          * All nodes are automatically removed at snd_card_disconnect(),
 211          * by following to link list.
 212          */
 213         root = snd_info_create_card_entry(efw->card, "firewire",
 214                                           efw->card->proc_root);
 215         if (root == NULL)
 216                 return;
 217         root->mode = S_IFDIR | 0555;
 218
 219         add_node(efw, root, "clock", proc_read_clock);
 220         add_node(efw, root, "firmware", proc_read_hwinfo);
 221         add_node(efw, root, "meters", proc_read_phys_meters);
 222         add_node(efw, root, "queues", proc_read_queues_state);
 223 }