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Linux/sound/firewire/digi00x/digi00x-proc.c

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Diff markup

Differences between /sound/firewire/digi00x/digi00x-proc.c (Version linux-6.12-rc7) and /sound/firewire/digi00x/digi00x-proc.c (Version linux-5.14.21)


  1 // SPDX-License-Identifier: GPL-2.0-only            1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*                                                  2 /*
  3  * digi00x-proc.c - a part of driver for Digid      3  * digi00x-proc.c - a part of driver for Digidesign Digi 002/003 family
  4  *                                                  4  *
  5  * Copyright (c) 2014-2015 Takashi Sakamoto         5  * Copyright (c) 2014-2015 Takashi Sakamoto
  6  */                                                 6  */
  7                                                     7 
  8 #include "digi00x.h"                                8 #include "digi00x.h"
  9                                                     9 
 10 static int get_optical_iface_mode(struct snd_d     10 static int get_optical_iface_mode(struct snd_dg00x *dg00x,
 11                                   enum snd_dg0     11                                   enum snd_dg00x_optical_mode *mode)
 12 {                                                  12 {
 13         __be32 data;                               13         __be32 data;
 14         int err;                                   14         int err;
 15                                                    15 
 16         err = snd_fw_transaction(dg00x->unit,      16         err = snd_fw_transaction(dg00x->unit, TCODE_READ_QUADLET_REQUEST,
 17                                  DG00X_ADDR_BA     17                                  DG00X_ADDR_BASE + DG00X_OFFSET_OPT_IFACE_MODE,
 18                                  &data, sizeof     18                                  &data, sizeof(data), 0);
 19         if (err >= 0)                              19         if (err >= 0)
 20                 *mode = be32_to_cpu(data) & 0x     20                 *mode = be32_to_cpu(data) & 0x01;
 21                                                    21 
 22         return err;                                22         return err;
 23 }                                                  23 }
 24                                                    24 
 25 static void proc_read_clock(struct snd_info_en     25 static void proc_read_clock(struct snd_info_entry *entry,
 26                             struct snd_info_bu     26                             struct snd_info_buffer *buf)
 27 {                                                  27 {
 28         static const char *const source_name[]     28         static const char *const source_name[] = {
 29                 [SND_DG00X_CLOCK_INTERNAL] = "     29                 [SND_DG00X_CLOCK_INTERNAL] = "internal",
 30                 [SND_DG00X_CLOCK_SPDIF] = "s/p     30                 [SND_DG00X_CLOCK_SPDIF] = "s/pdif",
 31                 [SND_DG00X_CLOCK_ADAT] = "adat     31                 [SND_DG00X_CLOCK_ADAT] = "adat",
 32                 [SND_DG00X_CLOCK_WORD] = "word     32                 [SND_DG00X_CLOCK_WORD] = "word clock",
 33         };                                         33         };
 34         static const char *const optical_name[     34         static const char *const optical_name[] = {
 35                 [SND_DG00X_OPT_IFACE_MODE_ADAT     35                 [SND_DG00X_OPT_IFACE_MODE_ADAT] = "adat",
 36                 [SND_DG00X_OPT_IFACE_MODE_SPDI     36                 [SND_DG00X_OPT_IFACE_MODE_SPDIF] = "s/pdif",
 37         };                                         37         };
 38         struct snd_dg00x *dg00x = entry->priva     38         struct snd_dg00x *dg00x = entry->private_data;
 39         enum snd_dg00x_optical_mode mode;          39         enum snd_dg00x_optical_mode mode;
 40         unsigned int rate;                         40         unsigned int rate;
 41         enum snd_dg00x_clock clock;                41         enum snd_dg00x_clock clock;
 42         bool detect;                               42         bool detect;
 43                                                    43 
 44         if (get_optical_iface_mode(dg00x, &mod     44         if (get_optical_iface_mode(dg00x, &mode) < 0)
 45                 return;                            45                 return;
 46         if (snd_dg00x_stream_get_local_rate(dg     46         if (snd_dg00x_stream_get_local_rate(dg00x, &rate) < 0)
 47                 return;                            47                 return;
 48         if (snd_dg00x_stream_get_clock(dg00x,      48         if (snd_dg00x_stream_get_clock(dg00x, &clock) < 0)
 49                 return;                            49                 return;
 50                                                    50 
 51         snd_iprintf(buf, "Optical mode: %s\n",     51         snd_iprintf(buf, "Optical mode: %s\n", optical_name[mode]);
 52         snd_iprintf(buf, "Sampling Rate: %d\n"     52         snd_iprintf(buf, "Sampling Rate: %d\n", rate);
 53         snd_iprintf(buf, "Clock Source: %s\n",     53         snd_iprintf(buf, "Clock Source: %s\n", source_name[clock]);
 54                                                    54 
 55         if (clock == SND_DG00X_CLOCK_INTERNAL)     55         if (clock == SND_DG00X_CLOCK_INTERNAL)
 56                 return;                            56                 return;
 57                                                    57 
 58         if (snd_dg00x_stream_check_external_cl     58         if (snd_dg00x_stream_check_external_clock(dg00x, &detect) < 0)
 59                 return;                            59                 return;
 60         snd_iprintf(buf, "External source: %s\     60         snd_iprintf(buf, "External source: %s\n", detect ? "detected" : "not");
 61         if (!detect)                               61         if (!detect)
 62                 return;                            62                 return;
 63                                                    63 
 64         if (snd_dg00x_stream_get_external_rate     64         if (snd_dg00x_stream_get_external_rate(dg00x, &rate) >= 0)
 65                 snd_iprintf(buf, "External sam     65                 snd_iprintf(buf, "External sampling rate: %d\n", rate);
 66 }                                                  66 }
 67                                                    67 
 68 void snd_dg00x_proc_init(struct snd_dg00x *dg0     68 void snd_dg00x_proc_init(struct snd_dg00x *dg00x)
 69 {                                                  69 {
 70         struct snd_info_entry *root, *entry;       70         struct snd_info_entry *root, *entry;
 71                                                    71 
 72         /*                                         72         /*
 73          * All nodes are automatically removed     73          * All nodes are automatically removed at snd_card_disconnect(),
 74          * by following to link list.              74          * by following to link list.
 75          */                                        75          */
 76         root = snd_info_create_card_entry(dg00     76         root = snd_info_create_card_entry(dg00x->card, "firewire",
 77                                           dg00     77                                           dg00x->card->proc_root);
 78         if (root == NULL)                          78         if (root == NULL)
 79                 return;                            79                 return;
 80                                                    80 
 81         root->mode = S_IFDIR | 0555;               81         root->mode = S_IFDIR | 0555;
 82                                                    82 
 83         entry = snd_info_create_card_entry(dg0     83         entry = snd_info_create_card_entry(dg00x->card, "clock", root);
 84         if (entry)                                 84         if (entry)
 85                 snd_info_set_text_ops(entry, d     85                 snd_info_set_text_ops(entry, dg00x, proc_read_clock);
 86 }                                                  86 }
 87                                                    87 

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