diff options
Diffstat (limited to 'sound/core/seq/seq_ump_client.c')
-rw-r--r-- | sound/core/seq/seq_ump_client.c | 133 |
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); |