sound/firewire/fireworks/fireworks_proc.c

   1 /*
   2  * fireworks_proc.c - a part of driver for Fireworks based devices
   3  *
   4  * Copyright (c) 2009-2010 Clemens Ladisch
   5  * Copyright (c) 2013-2014 Takashi Sakamoto
   6  *
   7  * Licensed under the terms of the GNU General Public License, version 2.
   8  */
   9
  10 #include "./fireworks.h"
  11
  12 static inline const char*
  13 get_phys_name(struct snd_efw_phys_grp *grp, bool input)
  14 {
  15         static const char *const ch_type[] = {
  16                 "Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring",
  17                 "Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String",
  18         };
  19
  20         if (grp->type < ARRAY_SIZE(ch_type))
  21                 return ch_type[grp->type];
  22         else if (input)
  23                 return "Input";
  24         else
  25                 return "Output";
  26 }
  27
  28 static void
  29 proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
  30 {
  31         struct snd_efw *efw = entry->private_data;
  32         unsigned short i;
  33         struct snd_efw_hwinfo *hwinfo;
  34
  35         hwinfo = kmalloc(sizeof(struct snd_efw_hwinfo), GFP_KERNEL);
  36         if (hwinfo == NULL)
  37                 return;
  38
  39         if (snd_efw_command_get_hwinfo(efw, hwinfo) < 0)
  40                 goto end;
  41
  42         snd_iprintf(buffer, "guid_hi: 0x%X\n", hwinfo->guid_hi);
  43         snd_iprintf(buffer, "guid_lo: 0x%X\n", hwinfo->guid_lo);
  44         snd_iprintf(buffer, "type: 0x%X\n", hwinfo->type);
  45         snd_iprintf(buffer, "version: 0x%X\n", hwinfo->version);
  46         snd_iprintf(buffer, "vendor_name: %s\n", hwinfo->vendor_name);
  47         snd_iprintf(buffer, "model_name: %s\n", hwinfo->model_name);
  48
  49         snd_iprintf(buffer, "dsp_version: 0x%X\n", hwinfo->dsp_version);
  50         snd_iprintf(buffer, "arm_version: 0x%X\n", hwinfo->arm_version);
  51         snd_iprintf(buffer, "fpga_version: 0x%X\n", hwinfo->fpga_version);
  52
  53         snd_iprintf(buffer, "flags: 0x%X\n", hwinfo->flags);
  54
  55         snd_iprintf(buffer, "max_sample_rate: 0x%X\n", hwinfo->max_sample_rate);
  56         snd_iprintf(buffer, "min_sample_rate: 0x%X\n", hwinfo->min_sample_rate);
  57         snd_iprintf(buffer, "supported_clock: 0x%X\n",
  58                     hwinfo->supported_clocks);
  59
  60         snd_iprintf(buffer, "phys out: 0x%X\n", hwinfo->phys_out);
  61         snd_iprintf(buffer, "phys in: 0x%X\n", hwinfo->phys_in);
  62
  63         snd_iprintf(buffer, "phys in grps: 0x%X\n",
  64                     hwinfo->phys_in_grp_count);
  65         for (i = 0; i < hwinfo->phys_in_grp_count; i++) {
  66                 snd_iprintf(buffer,
  67                             "phys in grp[%d]: type 0x%X, count 0x%X\n",
  68                             i, hwinfo->phys_out_grps[i].type,
  69                             hwinfo->phys_out_grps[i].count);
  70         }
  71
  72         snd_iprintf(buffer, "phys out grps: 0x%X\n",
  73                     hwinfo->phys_out_grp_count);
  74         for (i = 0; i < hwinfo->phys_out_grp_count; i++) {
  75                 snd_iprintf(buffer,
  76                             "phys out grps[%d]: type 0x%X, count 0x%X\n",
  77                             i, hwinfo->phys_out_grps[i].type,
  78                             hwinfo->phys_out_grps[i].count);
  79         }
  80
  81         snd_iprintf(buffer, "amdtp rx pcm channels 1x: 0x%X\n",
  82                     hwinfo->amdtp_rx_pcm_channels);
  83         snd_iprintf(buffer, "amdtp tx pcm channels 1x: 0x%X\n",
  84                     hwinfo->amdtp_tx_pcm_channels);
  85         snd_iprintf(buffer, "amdtp rx pcm channels 2x: 0x%X\n",
  86                     hwinfo->amdtp_rx_pcm_channels_2x);
  87         snd_iprintf(buffer, "amdtp tx pcm channels 2x: 0x%X\n",
  88                     hwinfo->amdtp_tx_pcm_channels_2x);
  89         snd_iprintf(buffer, "amdtp rx pcm channels 4x: 0x%X\n",
  90                     hwinfo->amdtp_rx_pcm_channels_4x);
  91         snd_iprintf(buffer, "amdtp tx pcm channels 4x: 0x%X\n",
  92                     hwinfo->amdtp_tx_pcm_channels_4x);
  93
  94         snd_iprintf(buffer, "midi out ports: 0x%X\n", hwinfo->midi_out_ports);
  95         snd_iprintf(buffer, "midi in ports: 0x%X\n", hwinfo->midi_in_ports);
  96
  97         snd_iprintf(buffer, "mixer playback channels: 0x%X\n",
  98                     hwinfo->mixer_playback_channels);
  99         snd_iprintf(buffer, "mixer capture channels: 0x%X\n",
 100                     hwinfo->mixer_capture_channels);
 101 end:
 102         kfree(hwinfo);
 103 }
 104
 105 static void
 106 proc_read_clock(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 107 {
 108         struct snd_efw *efw = entry->private_data;
 109         enum snd_efw_clock_source clock_source;
 110         unsigned int sampling_rate;
 111
 112         if (snd_efw_command_get_clock_source(efw, &clock_source) < 0)
 113                 return;
 114
 115         if (snd_efw_command_get_sampling_rate(efw, &sampling_rate) < 0)
 116                 return;
 117
 118         snd_iprintf(buffer, "Clock Source: %d\n", clock_source);
 119         snd_iprintf(buffer, "Sampling Rate: %d\n", sampling_rate);
 120 }
 121
 122 /*
 123  * NOTE:
 124  *  dB = 20 * log10(linear / 0x01000000)
 125  *  -144.0 dB when linear is 0
 126  */
 127 static void
 128 proc_read_phys_meters(struct snd_info_entry *entry,
 129                       struct snd_info_buffer *buffer)
 130 {
 131         struct snd_efw *efw = entry->private_data;
 132         struct snd_efw_phys_meters *meters;
 133         unsigned int g, c, m, max, size;
 134         const char *name;
 135         u32 *linear;
 136         int err;
 137
 138         size = sizeof(struct snd_efw_phys_meters) +
 139                (efw->phys_in + efw->phys_out) * sizeof(u32);
 140         meters = kzalloc(size, GFP_KERNEL);
 141         if (meters == NULL)
 142                 return;
 143
 144         err = snd_efw_command_get_phys_meters(efw, meters, size);
 145         if (err < 0)
 146                 goto end;
 147
 148         snd_iprintf(buffer, "Physical Meters:\n");
 149
 150         m = 0;
 151         max = min(efw->phys_out, meters->out_meters);
 152         linear = meters->values;
 153         snd_iprintf(buffer, " %d Outputs:\n", max);
 154         for (g = 0; g < efw->phys_out_grp_count; g++) {
 155                 name = get_phys_name(&efw->phys_out_grps[g], false);
 156                 for (c = 0; c < efw->phys_out_grps[g].count; c++) {
 157                         if (m < max)
 158                                 snd_iprintf(buffer, "\t%s [%d]: %d\n",
 159                                             name, c, linear[m++]);
 160                 }
 161         }
 162
 163         m = 0;
 164         max = min(efw->phys_in, meters->in_meters);
 165         linear = meters->values + meters->out_meters;
 166         snd_iprintf(buffer, " %d Inputs:\n", max);
 167         for (g = 0; g < efw->phys_in_grp_count; g++) {
 168                 name = get_phys_name(&efw->phys_in_grps[g], true);
 169                 for (c = 0; c < efw->phys_in_grps[g].count; c++)
 170                         if (m < max)
 171                                 snd_iprintf(buffer, "\t%s [%d]: %d\n",
 172                                             name, c, linear[m++]);
 173         }
 174 end:
 175         kfree(meters);
 176 }
 177
 178 static void
 179 proc_read_queues_state(struct snd_info_entry *entry,
 180                        struct snd_info_buffer *buffer)
 181 {
 182         struct snd_efw *efw = entry->private_data;
 183         unsigned int consumed;
 184
 185         if (efw->pull_ptr > efw->push_ptr)
 186                 consumed = snd_efw_resp_buf_size -
 187                            (unsigned int)(efw->pull_ptr - efw->push_ptr);
 188         else
 189                 consumed = (unsigned int)(efw->push_ptr - efw->pull_ptr);
 190
 191         snd_iprintf(buffer, "%d/%d\n",
 192                     consumed, snd_efw_resp_buf_size);
 193 }
 194
 195 static void
 196 add_node(struct snd_efw *efw, struct snd_info_entry *root, const char *name,
 197          void (*op)(struct snd_info_entry *e, struct snd_info_buffer *b))
 198 {
 199         struct snd_info_entry *entry;
 200
 201         entry = snd_info_create_card_entry(efw->card, name, root);
 202         if (entry == NULL)
 203                 return;
 204
 205         snd_info_set_text_ops(entry, efw, op);
 206         if (snd_info_register(entry) < 0)
 207                 snd_info_free_entry(entry);
 208 }
 209
 210 void snd_efw_proc_init(struct snd_efw *efw)
 211 {
 212         struct snd_info_entry *root;
 213
 214         /*
 215          * All nodes are automatically removed at snd_card_disconnect(),
 216          * by following to link list.
 217          */
 218         root = snd_info_create_card_entry(efw->card, "firewire",
 219                                           efw->card->proc_root);
 220         if (root == NULL)
 221                 return;
 222         root->mode = S_IFDIR | 0555;
 223         if (snd_info_register(root) < 0) {
 224                 snd_info_free_entry(root);
 225                 return;
 226         }
 227
 228         add_node(efw, root, "clock", proc_read_clock);
 229         add_node(efw, root, "firmware", proc_read_hwinfo);
 230         add_node(efw, root, "meters", proc_read_phys_meters);
 231         add_node(efw, root, "queues", proc_read_queues_state);
 232 }