@@ -18,6 +18,7 @@
#if IS_ENABLED(CONFIG_SND_SEQUENCER)
#include <sound/seq_device.h>
#endif
+#include <sound/info.h>
/*
* Raw MIDI interface
@@ -50,6 +51,8 @@ struct snd_rawmidi_global_ops {
struct snd_seq_port_info *info);
long (*ioctl)(struct snd_rawmidi_file *rfile, unsigned int cmd,
void __user *argp);
+ void (*proc_read)(struct snd_info_entry *entry,
+ struct snd_info_buffer *buf);
};
struct snd_rawmidi_runtime {
@@ -1743,6 +1743,8 @@ static void snd_rawmidi_proc_info_read(struct snd_info_entry *entry,
if (IS_ENABLED(CONFIG_SND_UMP))
snd_iprintf(buffer, "Type: %s\n",
rawmidi_is_ump(rmidi) ? "UMP" : "Legacy");
+ if (rmidi->ops->proc_read)
+ rmidi->ops->proc_read(entry, buffer);
mutex_lock(&rmidi->open_mutex);
if (rmidi->info_flags & SNDRV_RAWMIDI_INFO_OUTPUT) {
list_for_each_entry(substream,
@@ -21,11 +21,14 @@ static int snd_ump_dev_register(struct snd_rawmidi *rmidi);
static int snd_ump_dev_unregister(struct snd_rawmidi *rmidi);
static long snd_ump_ioctl(struct snd_rawmidi_file *rfile, unsigned int cmd,
void __user *argp);
+static void snd_ump_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer);
static const struct snd_rawmidi_global_ops snd_ump_rawmidi_ops = {
.dev_register = snd_ump_dev_register,
.dev_unregister = snd_ump_dev_unregister,
.ioctl = snd_ump_ioctl,
+ .proc_read = snd_ump_proc_read,
};
static void snd_ump_endpoint_free(struct snd_rawmidi *rmidi)
@@ -227,5 +230,51 @@ static long snd_ump_ioctl(struct snd_rawmidi_file *rfile, unsigned int cmd,
}
}
+static const char *ump_direction_string(int dir)
+{
+ switch (dir) {
+ case SNDRV_UMP_DIR_INPUT:
+ return "input";
+ case SNDRV_UMP_DIR_OUTPUT:
+ return "output";
+ case SNDRV_UMP_DIR_BIDIRECTION:
+ return "bidirection";
+ default:
+ return "unknown";
+ }
+}
+
+/* Additional proc file output */
+static void snd_ump_proc_read(struct snd_info_entry *entry,
+ struct snd_info_buffer *buffer)
+{
+ struct snd_rawmidi *rmidi = entry->private_data;
+ struct snd_ump_endpoint *ump = rawmidi_to_ump(rmidi);
+ struct snd_ump_block *fb;
+
+ snd_iprintf(buffer, "EP Name: %s\n", ump->info.name);
+ snd_iprintf(buffer, "EP Product ID: %s\n", ump->info.product_id);
+ snd_iprintf(buffer, "UMP Version: 0x%04x\n", ump->info.version);
+ snd_iprintf(buffer, "Protocol Caps: 0x%08x\n", ump->info.protocol_caps);
+ snd_iprintf(buffer, "Protocol: 0x%08x\n", ump->info.protocol);
+ snd_iprintf(buffer, "Num Blocks: %d\n\n", ump->info.num_blocks);
+
+ list_for_each_entry(fb, &ump->block_list, list) {
+ snd_iprintf(buffer, "Block %d (%s)\n", fb->info.block_id,
+ fb->info.name);
+ snd_iprintf(buffer, " Direction: %s\n",
+ ump_direction_string(fb->info.direction));
+ snd_iprintf(buffer, " Active: %s\n",
+ fb->info.active ? "Yes" : "No");
+ snd_iprintf(buffer, " Groups: %d-%d\n",
+ fb->info.first_group + 1,
+ fb->info.first_group + fb->info.num_groups);
+ snd_iprintf(buffer, " Is MIDI1: %s%s\n",
+ (fb->info.flags & SNDRV_UMP_BLOCK_IS_MIDI1) ? "Yes" : "No",
+ (fb->info.flags & SNDRV_UMP_BLOCK_IS_LOWSPEED) ? " (Low Speed)" : "");
+ snd_iprintf(buffer, "\n");
+ }
+}
+
MODULE_DESCRIPTION("Universal MIDI Packet (UMP) Core Driver");
MODULE_LICENSE("GPL");