diff options
author | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2006-01-07 03:50:18 -0500 |
commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /sound/core/seq/seq_device.c | |
parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
download | op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.zip op-kernel-dev-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.gz |
Pull pnpacpi into acpica branch
Diffstat (limited to 'sound/core/seq/seq_device.c')
-rw-r--r-- | sound/core/seq/seq_device.c | 128 |
1 files changed, 70 insertions, 58 deletions
diff --git a/sound/core/seq/seq_device.c b/sound/core/seq/seq_device.c index 252b527..9ece443 100644 --- a/sound/core/seq/seq_device.c +++ b/sound/core/seq/seq_device.c @@ -50,11 +50,6 @@ MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); MODULE_DESCRIPTION("ALSA sequencer device management"); MODULE_LICENSE("GPL"); -/* - * driver list - */ -typedef struct ops_list ops_list_t; - /* driver state */ #define DRIVER_EMPTY 0 #define DRIVER_LOADED (1<<0) @@ -68,7 +63,7 @@ struct ops_list { int argsize; /* argument size */ /* operators */ - snd_seq_dev_ops_t ops; + struct snd_seq_dev_ops ops; /* registred devices */ struct list_head dev_list; /* list of devices */ @@ -83,35 +78,39 @@ struct ops_list { static LIST_HEAD(opslist); static int num_ops; static DECLARE_MUTEX(ops_mutex); -static snd_info_entry_t *info_entry = NULL; +#ifdef CONFIG_PROC_FS +static struct snd_info_entry *info_entry = NULL; +#endif /* * prototypes */ -static int snd_seq_device_free(snd_seq_device_t *dev); -static int snd_seq_device_dev_free(snd_device_t *device); -static int snd_seq_device_dev_register(snd_device_t *device); -static int snd_seq_device_dev_disconnect(snd_device_t *device); -static int snd_seq_device_dev_unregister(snd_device_t *device); - -static int init_device(snd_seq_device_t *dev, ops_list_t *ops); -static int free_device(snd_seq_device_t *dev, ops_list_t *ops); -static ops_list_t *find_driver(char *id, int create_if_empty); -static ops_list_t *create_driver(char *id); -static void unlock_driver(ops_list_t *ops); +static int snd_seq_device_free(struct snd_seq_device *dev); +static int snd_seq_device_dev_free(struct snd_device *device); +static int snd_seq_device_dev_register(struct snd_device *device); +static int snd_seq_device_dev_disconnect(struct snd_device *device); +static int snd_seq_device_dev_unregister(struct snd_device *device); + +static int init_device(struct snd_seq_device *dev, struct ops_list *ops); +static int free_device(struct snd_seq_device *dev, struct ops_list *ops); +static struct ops_list *find_driver(char *id, int create_if_empty); +static struct ops_list *create_driver(char *id); +static void unlock_driver(struct ops_list *ops); static void remove_drivers(void); /* * show all drivers and their status */ -static void snd_seq_device_info(snd_info_entry_t *entry, snd_info_buffer_t * buffer) +#ifdef CONFIG_PROC_FS +static void snd_seq_device_info(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) { struct list_head *head; down(&ops_mutex); list_for_each(head, &opslist) { - ops_list_t *ops = list_entry(head, ops_list_t, list); + struct ops_list *ops = list_entry(head, struct ops_list, list); snd_iprintf(buffer, "snd-%s%s%s%s,%d\n", ops->id, ops->driver & DRIVER_LOADED ? ",loaded" : (ops->driver == DRIVER_EMPTY ? ",empty" : ""), @@ -121,6 +120,7 @@ static void snd_seq_device_info(snd_info_entry_t *entry, snd_info_buffer_t * buf } up(&ops_mutex); } +#endif /* * load all registered drivers (called from seq_clientmgr.c) @@ -156,7 +156,7 @@ void snd_seq_device_load_drivers(void) down(&ops_mutex); list_for_each(head, &opslist) { - ops_list_t *ops = list_entry(head, ops_list_t, list); + struct ops_list *ops = list_entry(head, struct ops_list, list); if (! (ops->driver & DRIVER_LOADED) && ! (ops->driver & DRIVER_REQUESTED)) { ops->used++; @@ -178,13 +178,13 @@ void snd_seq_device_load_drivers(void) * id = id of driver * result = return pointer (NULL allowed if unnecessary) */ -int snd_seq_device_new(snd_card_t *card, int device, char *id, int argsize, - snd_seq_device_t **result) +int snd_seq_device_new(struct snd_card *card, int device, char *id, int argsize, + struct snd_seq_device **result) { - snd_seq_device_t *dev; - ops_list_t *ops; + struct snd_seq_device *dev; + struct ops_list *ops; int err; - static snd_device_ops_t dops = { + static struct snd_device_ops dops = { .dev_free = snd_seq_device_dev_free, .dev_register = snd_seq_device_dev_register, .dev_disconnect = snd_seq_device_dev_disconnect, @@ -235,9 +235,9 @@ int snd_seq_device_new(snd_card_t *card, int device, char *id, int argsize, /* * free the existing device */ -static int snd_seq_device_free(snd_seq_device_t *dev) +static int snd_seq_device_free(struct snd_seq_device *dev) { - ops_list_t *ops; + struct ops_list *ops; snd_assert(dev != NULL, return -EINVAL); @@ -261,19 +261,19 @@ static int snd_seq_device_free(snd_seq_device_t *dev) return 0; } -static int snd_seq_device_dev_free(snd_device_t *device) +static int snd_seq_device_dev_free(struct snd_device *device) { - snd_seq_device_t *dev = device->device_data; + struct snd_seq_device *dev = device->device_data; return snd_seq_device_free(dev); } /* * register the device */ -static int snd_seq_device_dev_register(snd_device_t *device) +static int snd_seq_device_dev_register(struct snd_device *device) { - snd_seq_device_t *dev = device->device_data; - ops_list_t *ops; + struct snd_seq_device *dev = device->device_data; + struct ops_list *ops; ops = find_driver(dev->id, 0); if (ops == NULL) @@ -292,10 +292,10 @@ static int snd_seq_device_dev_register(snd_device_t *device) /* * disconnect the device */ -static int snd_seq_device_dev_disconnect(snd_device_t *device) +static int snd_seq_device_dev_disconnect(struct snd_device *device) { - snd_seq_device_t *dev = device->device_data; - ops_list_t *ops; + struct snd_seq_device *dev = device->device_data; + struct ops_list *ops; ops = find_driver(dev->id, 0); if (ops == NULL) @@ -310,9 +310,9 @@ static int snd_seq_device_dev_disconnect(snd_device_t *device) /* * unregister the existing device */ -static int snd_seq_device_dev_unregister(snd_device_t *device) +static int snd_seq_device_dev_unregister(struct snd_device *device) { - snd_seq_device_t *dev = device->device_data; + struct snd_seq_device *dev = device->device_data; return snd_seq_device_free(dev); } @@ -321,10 +321,11 @@ static int snd_seq_device_dev_unregister(snd_device_t *device) * id = driver id * entry = driver operators - duplicated to each instance */ -int snd_seq_device_register_driver(char *id, snd_seq_dev_ops_t *entry, int argsize) +int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry, + int argsize) { struct list_head *head; - ops_list_t *ops; + struct ops_list *ops; if (id == NULL || entry == NULL || entry->init_device == NULL || entry->free_device == NULL) @@ -351,7 +352,7 @@ int snd_seq_device_register_driver(char *id, snd_seq_dev_ops_t *entry, int argsi /* initialize existing devices if necessary */ list_for_each(head, &ops->dev_list) { - snd_seq_device_t *dev = list_entry(head, snd_seq_device_t, list); + struct snd_seq_device *dev = list_entry(head, struct snd_seq_device, list); init_device(dev, ops); } up(&ops->reg_mutex); @@ -366,9 +367,9 @@ int snd_seq_device_register_driver(char *id, snd_seq_dev_ops_t *entry, int argsi /* * create driver record */ -static ops_list_t * create_driver(char *id) +static struct ops_list * create_driver(char *id) { - ops_list_t *ops; + struct ops_list *ops; ops = kmalloc(sizeof(*ops), GFP_KERNEL); if (ops == NULL) @@ -399,14 +400,15 @@ static ops_list_t * create_driver(char *id) int snd_seq_device_unregister_driver(char *id) { struct list_head *head; - ops_list_t *ops; + struct ops_list *ops; ops = find_driver(id, 0); if (ops == NULL) return -ENXIO; if (! (ops->driver & DRIVER_LOADED) || (ops->driver & DRIVER_LOCKED)) { - snd_printk(KERN_ERR "driver_unregister: cannot unload driver '%s': status=%x\n", id, ops->driver); + snd_printk(KERN_ERR "driver_unregister: cannot unload driver '%s': status=%x\n", + id, ops->driver); unlock_driver(ops); return -EBUSY; } @@ -415,13 +417,14 @@ int snd_seq_device_unregister_driver(char *id) down(&ops->reg_mutex); ops->driver |= DRIVER_LOCKED; /* do not remove this driver recursively */ list_for_each(head, &ops->dev_list) { - snd_seq_device_t *dev = list_entry(head, snd_seq_device_t, list); + struct snd_seq_device *dev = list_entry(head, struct snd_seq_device, list); free_device(dev, ops); } ops->driver = 0; if (ops->num_init_devices > 0) - snd_printk(KERN_ERR "free_driver: init_devices > 0!! (%d)\n", ops->num_init_devices); + snd_printk(KERN_ERR "free_driver: init_devices > 0!! (%d)\n", + ops->num_init_devices); up(&ops->reg_mutex); unlock_driver(ops); @@ -443,7 +446,7 @@ static void remove_drivers(void) down(&ops_mutex); head = opslist.next; while (head != &opslist) { - ops_list_t *ops = list_entry(head, ops_list_t, list); + struct ops_list *ops = list_entry(head, struct ops_list, list); if (! (ops->driver & DRIVER_LOADED) && ops->used == 0 && ops->num_devices == 0) { head = head->next; @@ -459,21 +462,23 @@ static void remove_drivers(void) /* * initialize the device - call init_device operator */ -static int init_device(snd_seq_device_t *dev, ops_list_t *ops) +static int init_device(struct snd_seq_device *dev, struct ops_list *ops) { if (! (ops->driver & DRIVER_LOADED)) return 0; /* driver is not loaded yet */ if (dev->status != SNDRV_SEQ_DEVICE_FREE) return 0; /* already initialized */ if (ops->argsize != dev->argsize) { - snd_printk(KERN_ERR "incompatible device '%s' for plug-in '%s' (%d %d)\n", dev->name, ops->id, ops->argsize, dev->argsize); + snd_printk(KERN_ERR "incompatible device '%s' for plug-in '%s' (%d %d)\n", + dev->name, ops->id, ops->argsize, dev->argsize); return -EINVAL; } if (ops->ops.init_device(dev) >= 0) { dev->status = SNDRV_SEQ_DEVICE_REGISTERED; ops->num_init_devices++; } else { - snd_printk(KERN_ERR "init_device failed: %s: %s\n", dev->name, dev->id); + snd_printk(KERN_ERR "init_device failed: %s: %s\n", + dev->name, dev->id); } return 0; @@ -482,7 +487,7 @@ static int init_device(snd_seq_device_t *dev, ops_list_t *ops) /* * release the device - call free_device operator */ -static int free_device(snd_seq_device_t *dev, ops_list_t *ops) +static int free_device(struct snd_seq_device *dev, struct ops_list *ops) { int result; @@ -491,7 +496,8 @@ static int free_device(snd_seq_device_t *dev, ops_list_t *ops) if (dev->status != SNDRV_SEQ_DEVICE_REGISTERED) return 0; /* not registered */ if (ops->argsize != dev->argsize) { - snd_printk(KERN_ERR "incompatible device '%s' for plug-in '%s' (%d %d)\n", dev->name, ops->id, ops->argsize, dev->argsize); + snd_printk(KERN_ERR "incompatible device '%s' for plug-in '%s' (%d %d)\n", + dev->name, ops->id, ops->argsize, dev->argsize); return -EINVAL; } if ((result = ops->ops.free_device(dev)) >= 0 || result == -ENXIO) { @@ -499,7 +505,8 @@ static int free_device(snd_seq_device_t *dev, ops_list_t *ops) dev->driver_data = NULL; ops->num_init_devices--; } else { - snd_printk(KERN_ERR "free_device failed: %s: %s\n", dev->name, dev->id); + snd_printk(KERN_ERR "free_device failed: %s: %s\n", + dev->name, dev->id); } return 0; @@ -508,13 +515,13 @@ static int free_device(snd_seq_device_t *dev, ops_list_t *ops) /* * find the matching driver with given id */ -static ops_list_t * find_driver(char *id, int create_if_empty) +static struct ops_list * find_driver(char *id, int create_if_empty) { struct list_head *head; down(&ops_mutex); list_for_each(head, &opslist) { - ops_list_t *ops = list_entry(head, ops_list_t, list); + struct ops_list *ops = list_entry(head, struct ops_list, list); if (strcmp(ops->id, id) == 0) { ops->used++; up(&ops_mutex); @@ -527,7 +534,7 @@ static ops_list_t * find_driver(char *id, int create_if_empty) return NULL; } -static void unlock_driver(ops_list_t *ops) +static void unlock_driver(struct ops_list *ops) { down(&ops_mutex); ops->used--; @@ -541,7 +548,9 @@ static void unlock_driver(ops_list_t *ops) static int __init alsa_seq_device_init(void) { - info_entry = snd_info_create_module_entry(THIS_MODULE, "drivers", snd_seq_root); +#ifdef CONFIG_PROC_FS + info_entry = snd_info_create_module_entry(THIS_MODULE, "drivers", + snd_seq_root); if (info_entry == NULL) return -ENOMEM; info_entry->content = SNDRV_INFO_CONTENT_TEXT; @@ -551,13 +560,16 @@ static int __init alsa_seq_device_init(void) snd_info_free_entry(info_entry); return -ENOMEM; } +#endif return 0; } static void __exit alsa_seq_device_exit(void) { remove_drivers(); +#ifdef CONFIG_PROC_FS snd_info_unregister(info_entry); +#endif if (num_ops) snd_printk(KERN_ERR "drivers not released (%d)\n", num_ops); } |