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Diffstat (limited to 'sound/core/seq/seq_ump_client.c')
-rw-r--r--sound/core/seq/seq_ump_client.c133
1 files changed, 61 insertions, 72 deletions
diff --git a/sound/core/seq/seq_ump_client.c b/sound/core/seq/seq_ump_client.c
index c627d72f7fe2..1255351b59ce 100644
--- a/sound/core/seq/seq_ump_client.c
+++ b/sound/core/seq/seq_ump_client.c
@@ -23,14 +23,6 @@ enum {
STR_OUT = SNDRV_RAWMIDI_STREAM_OUTPUT
};
-/* object per UMP group; corresponding to a sequencer port */
-struct seq_ump_group {
- int group; /* group index (0-based) */
- unsigned int dir_bits; /* directions */
- bool active; /* activeness */
- char name[64]; /* seq port name */
-};
-
/* context for UMP input parsing, per EP */
struct seq_ump_input_buffer {
unsigned char len; /* total length in words */
@@ -47,7 +39,6 @@ struct seq_ump_client {
int opened[2]; /* current opens for each direction */
struct snd_rawmidi_file out_rfile; /* rawmidi for output */
struct seq_ump_input_buffer input; /* input parser context */
- struct seq_ump_group groups[SNDRV_UMP_MAX_GROUPS]; /* table of groups */
void *ump_info[SNDRV_UMP_MAX_BLOCKS + 1]; /* shadow of seq client ump_info */
struct work_struct group_notify_work; /* FB change notification */
};
@@ -174,7 +165,7 @@ static int seq_ump_unuse(void *pdata, struct snd_seq_port_subscribe *info)
/* fill port_info from the given UMP EP and group info */
static void fill_port_info(struct snd_seq_port_info *port,
struct seq_ump_client *client,
- struct seq_ump_group *group)
+ struct snd_ump_group *group)
{
unsigned int rawmidi_info = client->ump->core.info_flags;
@@ -198,6 +189,8 @@ static void fill_port_info(struct snd_seq_port_info *port,
port->ump_group = group->group + 1;
if (!group->active)
port->capability |= SNDRV_SEQ_PORT_CAP_INACTIVE;
+ if (group->is_midi1)
+ port->flags |= SNDRV_SEQ_PORT_FLG_IS_MIDI1;
port->type = SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC |
SNDRV_SEQ_PORT_TYPE_MIDI_UMP |
SNDRV_SEQ_PORT_TYPE_HARDWARE |
@@ -210,19 +203,29 @@ static void fill_port_info(struct snd_seq_port_info *port,
sprintf(port->name, "Group %d", group->group + 1);
}
+/* skip non-existing group for static blocks */
+static bool skip_group(struct seq_ump_client *client, struct snd_ump_group *group)
+{
+ return !group->valid &&
+ (client->ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS);
+}
+
/* create a new sequencer port per UMP group */
static int seq_ump_group_init(struct seq_ump_client *client, int group_index)
{
- struct seq_ump_group *group = &client->groups[group_index];
+ struct snd_ump_group *group = &client->ump->groups[group_index];
struct snd_seq_port_info *port __free(kfree) = NULL;
struct snd_seq_port_callback pcallbacks;
+ if (skip_group(client, group))
+ return 0;
+
port = kzalloc(sizeof(*port), GFP_KERNEL);
if (!port)
return -ENOMEM;
fill_port_info(port, client, group);
- port->flags = SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
+ port->flags |= SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
memset(&pcallbacks, 0, sizeof(pcallbacks));
pcallbacks.owner = THIS_MODULE;
pcallbacks.private_data = client;
@@ -250,14 +253,17 @@ static void update_port_infos(struct seq_ump_client *client)
return;
for (i = 0; i < SNDRV_UMP_MAX_GROUPS; i++) {
+ if (skip_group(client, &client->ump->groups[i]))
+ continue;
+
old->addr.client = client->seq_client;
- old->addr.port = i;
+ old->addr.port = ump_group_to_seq_port(i);
err = snd_seq_kernel_client_ctl(client->seq_client,
SNDRV_SEQ_IOCTL_GET_PORT_INFO,
old);
if (err < 0)
- return;
- fill_port_info(new, client, &client->groups[i]);
+ continue;
+ fill_port_info(new, client, &client->ump->groups[i]);
if (old->capability == new->capability &&
!strcmp(old->name, new->name))
continue;
@@ -265,58 +271,7 @@ static void update_port_infos(struct seq_ump_client *client)
SNDRV_SEQ_IOCTL_SET_PORT_INFO,
new);
if (err < 0)
- return;
- /* notify to system port */
- snd_seq_system_client_ev_port_change(client->seq_client, i);
- }
-}
-
-/* update dir_bits and active flag for all groups in the client */
-static void update_group_attrs(struct seq_ump_client *client)
-{
- struct snd_ump_block *fb;
- struct seq_ump_group *group;
- int i;
-
- for (i = 0; i < SNDRV_UMP_MAX_GROUPS; i++) {
- group = &client->groups[i];
- *group->name = 0;
- group->dir_bits = 0;
- group->active = 0;
- group->group = i;
- }
-
- list_for_each_entry(fb, &client->ump->block_list, list) {
- if (fb->info.first_group + fb->info.num_groups > SNDRV_UMP_MAX_GROUPS)
- break;
- group = &client->groups[fb->info.first_group];
- for (i = 0; i < fb->info.num_groups; i++, group++) {
- if (fb->info.active)
- group->active = 1;
- switch (fb->info.direction) {
- case SNDRV_UMP_DIR_INPUT:
- group->dir_bits |= (1 << STR_IN);
- break;
- case SNDRV_UMP_DIR_OUTPUT:
- group->dir_bits |= (1 << STR_OUT);
- break;
- case SNDRV_UMP_DIR_BIDIRECTION:
- group->dir_bits |= (1 << STR_OUT) | (1 << STR_IN);
- break;
- }
- if (!*fb->info.name)
- continue;
- if (!*group->name) {
- /* store the first matching name */
- strscpy(group->name, fb->info.name,
- sizeof(group->name));
- } else {
- /* when overlapping, concat names */
- strlcat(group->name, ", ", sizeof(group->name));
- strlcat(group->name, fb->info.name,
- sizeof(group->name));
- }
- }
+ continue;
}
}
@@ -416,7 +371,7 @@ static void setup_client_group_filter(struct seq_ump_client *client)
return;
filter = ~(1U << 0); /* always allow groupless messages */
for (p = 0; p < SNDRV_UMP_MAX_GROUPS; p++) {
- if (client->groups[p].active)
+ if (client->ump->groups[p].active)
filter &= ~(1U << (p + 1));
}
cptr->group_filter = filter;
@@ -429,11 +384,37 @@ static void handle_group_notify(struct work_struct *work)
struct seq_ump_client *client =
container_of(work, struct seq_ump_client, group_notify_work);
- update_group_attrs(client);
update_port_infos(client);
setup_client_group_filter(client);
}
+/* UMP EP change notification */
+static int seq_ump_notify_ep_change(struct snd_ump_endpoint *ump)
+{
+ struct seq_ump_client *client = ump->seq_client;
+ struct snd_seq_client *cptr;
+ int client_id;
+
+ if (!client)
+ return -ENODEV;
+ client_id = client->seq_client;
+ cptr = snd_seq_kernel_client_get(client_id);
+ if (!cptr)
+ return -ENODEV;
+
+ snd_seq_system_ump_notify(client_id, 0, SNDRV_SEQ_EVENT_UMP_EP_CHANGE,
+ true);
+
+ /* update sequencer client name if needed */
+ if (*ump->core.name && strcmp(ump->core.name, cptr->name)) {
+ strscpy(cptr->name, ump->core.name, sizeof(cptr->name));
+ snd_seq_system_client_ev_client_change(client_id);
+ }
+
+ snd_seq_kernel_client_put(cptr);
+ return 0;
+}
+
/* UMP FB change notification */
static int seq_ump_notify_fb_change(struct snd_ump_endpoint *ump,
struct snd_ump_block *fb)
@@ -443,20 +424,29 @@ static int seq_ump_notify_fb_change(struct snd_ump_endpoint *ump,
if (!client)
return -ENODEV;
schedule_work(&client->group_notify_work);
+ snd_seq_system_ump_notify(client->seq_client, fb->info.block_id,
+ SNDRV_SEQ_EVENT_UMP_BLOCK_CHANGE,
+ true);
return 0;
}
/* UMP protocol change notification; just update the midi_version field */
static int seq_ump_switch_protocol(struct snd_ump_endpoint *ump)
{
- if (!ump->seq_client)
+ struct seq_ump_client *client = ump->seq_client;
+
+ if (!client)
return -ENODEV;
- setup_client_midi_version(ump->seq_client);
+ setup_client_midi_version(client);
+ snd_seq_system_ump_notify(client->seq_client, 0,
+ SNDRV_SEQ_EVENT_UMP_EP_CHANGE,
+ true);
return 0;
}
static const struct snd_seq_ump_ops seq_ump_ops = {
.input_receive = seq_ump_input_receive,
+ .notify_ep_change = seq_ump_notify_ep_change,
.notify_fb_change = seq_ump_notify_fb_change,
.switch_protocol = seq_ump_switch_protocol,
};
@@ -492,7 +482,6 @@ static int snd_seq_ump_probe(struct device *_dev)
client->ump_info[fb->info.block_id + 1] = &fb->info;
setup_client_midi_version(client);
- update_group_attrs(client);
for (p = 0; p < SNDRV_UMP_MAX_GROUPS; p++) {
err = seq_ump_group_init(client, p);