core.h (3d5271f9883cba7b54762bc4fe027d4172f06db7) core.h (512bbd6a85230f16389f0dd51925472e72fc8a91)
1#ifndef __SOUND_CORE_H
2#define __SOUND_CORE_H
3
4/*
5 * Main header file for the ALSA driver
6 * Copyright (c) 1994-2001 by Jaroslav Kysela <perex@suse.cz>
7 *
8 *

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23 */
24
25#include <linux/sched.h> /* wake_up() */
26#include <asm/semaphore.h> /* struct semaphore */
27#include <linux/rwsem.h> /* struct rw_semaphore */
28#include <linux/workqueue.h> /* struct workqueue_struct */
29#include <linux/pm.h> /* pm_message_t */
30
1#ifndef __SOUND_CORE_H
2#define __SOUND_CORE_H
3
4/*
5 * Main header file for the ALSA driver
6 * Copyright (c) 1994-2001 by Jaroslav Kysela <perex@suse.cz>
7 *
8 *

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23 */
24
25#include <linux/sched.h> /* wake_up() */
26#include <asm/semaphore.h> /* struct semaphore */
27#include <linux/rwsem.h> /* struct rw_semaphore */
28#include <linux/workqueue.h> /* struct workqueue_struct */
29#include <linux/pm.h> /* pm_message_t */
30
31/* Typedef's */
32typedef struct sndrv_interval snd_interval_t;
33typedef enum sndrv_card_type snd_card_type;
34typedef struct sndrv_xferi snd_xferi_t;
35typedef struct sndrv_xfern snd_xfern_t;
36typedef struct sndrv_xferv snd_xferv_t;
37
38/* forward declarations */
39#ifdef CONFIG_PCI
40struct pci_dev;
41#endif
42#ifdef CONFIG_SBUS
43struct sbus_dev;
44#endif
45
46/* device allocation stuff */
47
48#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000
49
31/* forward declarations */
32#ifdef CONFIG_PCI
33struct pci_dev;
34#endif
35#ifdef CONFIG_SBUS
36struct sbus_dev;
37#endif
38
39/* device allocation stuff */
40
41#define SNDRV_DEV_TYPE_RANGE_SIZE 0x1000
42
50typedef enum {
51 SNDRV_DEV_TOPLEVEL = (0*SNDRV_DEV_TYPE_RANGE_SIZE),
52 SNDRV_DEV_CONTROL,
53 SNDRV_DEV_LOWLEVEL_PRE,
54 SNDRV_DEV_LOWLEVEL_NORMAL = (1*SNDRV_DEV_TYPE_RANGE_SIZE),
55 SNDRV_DEV_PCM,
56 SNDRV_DEV_RAWMIDI,
57 SNDRV_DEV_TIMER,
58 SNDRV_DEV_SEQUENCER,
59 SNDRV_DEV_HWDEP,
60 SNDRV_DEV_INFO,
61 SNDRV_DEV_BUS,
62 SNDRV_DEV_CODEC,
63 SNDRV_DEV_LOWLEVEL = (2*SNDRV_DEV_TYPE_RANGE_SIZE)
64} snd_device_type_t;
43typedef int __bitwise snd_device_type_t;
44#define SNDRV_DEV_TOPLEVEL ((__force snd_device_type_t) 0)
45#define SNDRV_DEV_CONTROL ((__force snd_device_type_t) 1)
46#define SNDRV_DEV_LOWLEVEL_PRE ((__force snd_device_type_t) 2)
47#define SNDRV_DEV_LOWLEVEL_NORMAL ((__force snd_device_type_t) 0x1000)
48#define SNDRV_DEV_PCM ((__force snd_device_type_t) 0x1001)
49#define SNDRV_DEV_RAWMIDI ((__force snd_device_type_t) 0x1002)
50#define SNDRV_DEV_TIMER ((__force snd_device_type_t) 0x1003)
51#define SNDRV_DEV_SEQUENCER ((__force snd_device_type_t) 0x1004)
52#define SNDRV_DEV_HWDEP ((__force snd_device_type_t) 0x1005)
53#define SNDRV_DEV_INFO ((__force snd_device_type_t) 0x1006)
54#define SNDRV_DEV_BUS ((__force snd_device_type_t) 0x1007)
55#define SNDRV_DEV_CODEC ((__force snd_device_type_t) 0x1008)
56#define SNDRV_DEV_LOWLEVEL ((__force snd_device_type_t) 0x2000)
65
57
66typedef enum {
67 SNDRV_DEV_BUILD,
68 SNDRV_DEV_REGISTERED,
69 SNDRV_DEV_DISCONNECTED
70} snd_device_state_t;
58typedef int __bitwise snd_device_state_t;
59#define SNDRV_DEV_BUILD ((__force snd_device_state_t) 0)
60#define SNDRV_DEV_REGISTERED ((__force snd_device_state_t) 1)
61#define SNDRV_DEV_DISCONNECTED ((__force snd_device_state_t) 2)
71
62
72typedef enum {
73 SNDRV_DEV_CMD_PRE = 0,
74 SNDRV_DEV_CMD_NORMAL = 1,
75 SNDRV_DEV_CMD_POST = 2
76} snd_device_cmd_t;
63typedef int __bitwise snd_device_cmd_t;
64#define SNDRV_DEV_CMD_PRE ((__force snd_device_cmd_t) 0)
65#define SNDRV_DEV_CMD_NORMAL ((__force snd_device_cmd_t) 1)
66#define SNDRV_DEV_CMD_POST ((__force snd_device_cmd_t) 2)
77
67
78typedef struct _snd_card snd_card_t;
79typedef struct _snd_device snd_device_t;
68struct snd_device;
80
69
81typedef int (snd_dev_free_t)(snd_device_t *device);
82typedef int (snd_dev_register_t)(snd_device_t *device);
83typedef int (snd_dev_disconnect_t)(snd_device_t *device);
84typedef int (snd_dev_unregister_t)(snd_device_t *device);
70struct snd_device_ops {
71 int (*dev_free)(struct snd_device *dev);
72 int (*dev_register)(struct snd_device *dev);
73 int (*dev_disconnect)(struct snd_device *dev);
74 int (*dev_unregister)(struct snd_device *dev);
75};
85
76
86typedef struct {
87 snd_dev_free_t *dev_free;
88 snd_dev_register_t *dev_register;
89 snd_dev_disconnect_t *dev_disconnect;
90 snd_dev_unregister_t *dev_unregister;
91} snd_device_ops_t;
92
93struct _snd_device {
77struct snd_device {
94 struct list_head list; /* list of registered devices */
78 struct list_head list; /* list of registered devices */
95 snd_card_t *card; /* card which holds this device */
79 struct snd_card *card; /* card which holds this device */
96 snd_device_state_t state; /* state of the device */
97 snd_device_type_t type; /* device type */
98 void *device_data; /* device structure */
80 snd_device_state_t state; /* state of the device */
81 snd_device_type_t type; /* device type */
82 void *device_data; /* device structure */
99 snd_device_ops_t *ops; /* operations */
83 struct snd_device_ops *ops; /* operations */
100};
101
84};
85
102#define snd_device(n) list_entry(n, snd_device_t, list)
86#define snd_device(n) list_entry(n, struct snd_device, list)
103
87
104/* various typedefs */
105
106typedef struct snd_info_entry snd_info_entry_t;
107typedef struct _snd_pcm snd_pcm_t;
108typedef struct _snd_pcm_str snd_pcm_str_t;
109typedef struct _snd_pcm_substream snd_pcm_substream_t;
110typedef struct _snd_mixer snd_kmixer_t;
111typedef struct _snd_rawmidi snd_rawmidi_t;
112typedef struct _snd_ctl_file snd_ctl_file_t;
113typedef struct _snd_kcontrol snd_kcontrol_t;
114typedef struct _snd_timer snd_timer_t;
115typedef struct _snd_timer_instance snd_timer_instance_t;
116typedef struct _snd_hwdep snd_hwdep_t;
117#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
118typedef struct _snd_oss_mixer snd_mixer_oss_t;
119#endif
120
121/* monitor files for graceful shutdown (hotplug) */
122
123struct snd_monitor_file {
124 struct file *file;
125 struct snd_monitor_file *next;
126};
127
128struct snd_shutdown_f_ops; /* define it later in init.c */
129
130/* main structure for soundcard */
131
88/* monitor files for graceful shutdown (hotplug) */
89
90struct snd_monitor_file {
91 struct file *file;
92 struct snd_monitor_file *next;
93};
94
95struct snd_shutdown_f_ops; /* define it later in init.c */
96
97/* main structure for soundcard */
98
132struct _snd_card {
99struct snd_card {
133 int number; /* number of soundcard (index to
134 snd_cards) */
135
136 char id[16]; /* id string of this card */
137 char driver[16]; /* driver name */
138 char shortname[32]; /* short name of this soundcard */
139 char longname[80]; /* name of this soundcard */
140 char mixername[80]; /* mixer name */
141 char components[80]; /* card components delimited with
142 space */
143 struct module *module; /* top-level module */
144
145 void *private_data; /* private data for soundcard */
100 int number; /* number of soundcard (index to
101 snd_cards) */
102
103 char id[16]; /* id string of this card */
104 char driver[16]; /* driver name */
105 char shortname[32]; /* short name of this soundcard */
106 char longname[80]; /* name of this soundcard */
107 char mixername[80]; /* mixer name */
108 char components[80]; /* card components delimited with
109 space */
110 struct module *module; /* top-level module */
111
112 void *private_data; /* private data for soundcard */
146 void (*private_free) (snd_card_t *card); /* callback for freeing of
113 void (*private_free) (struct snd_card *card); /* callback for freeing of
147 private data */
148 struct list_head devices; /* devices */
149
150 unsigned int last_numid; /* last used numeric ID */
151 struct rw_semaphore controls_rwsem; /* controls list lock */
152 rwlock_t ctl_files_rwlock; /* ctl_files list lock */
153 int controls_count; /* count of all controls */
154 int user_ctl_count; /* count of all user controls */
155 struct list_head controls; /* all controls for this card */
156 struct list_head ctl_files; /* active control files */
157
114 private data */
115 struct list_head devices; /* devices */
116
117 unsigned int last_numid; /* last used numeric ID */
118 struct rw_semaphore controls_rwsem; /* controls list lock */
119 rwlock_t ctl_files_rwlock; /* ctl_files list lock */
120 int controls_count; /* count of all controls */
121 int user_ctl_count; /* count of all user controls */
122 struct list_head controls; /* all controls for this card */
123 struct list_head ctl_files; /* active control files */
124
158 snd_info_entry_t *proc_root; /* root for soundcard specific files */
159 snd_info_entry_t *proc_id; /* the card id */
125 struct snd_info_entry *proc_root; /* root for soundcard specific files */
126 struct snd_info_entry *proc_id; /* the card id */
160 struct proc_dir_entry *proc_root_link; /* number link to real id */
161
162 struct snd_monitor_file *files; /* all files associated to this card */
163 struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown
164 state */
165 spinlock_t files_lock; /* lock the files for this card */
166 int shutdown; /* this card is going down */
167 wait_queue_head_t shutdown_sleep;
168 struct work_struct free_workq; /* for free in workqueue */
169 struct device *dev;
170#ifdef CONFIG_SND_GENERIC_DRIVER
171 struct snd_generic_device *generic_dev;
172#endif
173
174#ifdef CONFIG_PM
127 struct proc_dir_entry *proc_root_link; /* number link to real id */
128
129 struct snd_monitor_file *files; /* all files associated to this card */
130 struct snd_shutdown_f_ops *s_f_ops; /* file operations in the shutdown
131 state */
132 spinlock_t files_lock; /* lock the files for this card */
133 int shutdown; /* this card is going down */
134 wait_queue_head_t shutdown_sleep;
135 struct work_struct free_workq; /* for free in workqueue */
136 struct device *dev;
137#ifdef CONFIG_SND_GENERIC_DRIVER
138 struct snd_generic_device *generic_dev;
139#endif
140
141#ifdef CONFIG_PM
175 int (*pm_suspend)(snd_card_t *card, pm_message_t state);
176 int (*pm_resume)(snd_card_t *card);
142 int (*pm_suspend)(struct snd_card *card, pm_message_t state);
143 int (*pm_resume)(struct snd_card *card);
177 void *pm_private_data;
178 unsigned int power_state; /* power state */
179 struct semaphore power_lock; /* power lock */
180 wait_queue_head_t power_sleep;
181#endif
182
183#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
144 void *pm_private_data;
145 unsigned int power_state; /* power state */
146 struct semaphore power_lock; /* power lock */
147 wait_queue_head_t power_sleep;
148#endif
149
150#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
184 snd_mixer_oss_t *mixer_oss;
151 struct snd_mixer_oss *mixer_oss;
185 int mixer_oss_change_count;
186#endif
187};
188
189#ifdef CONFIG_PM
152 int mixer_oss_change_count;
153#endif
154};
155
156#ifdef CONFIG_PM
190static inline void snd_power_lock(snd_card_t *card)
157static inline void snd_power_lock(struct snd_card *card)
191{
192 down(&card->power_lock);
193}
194
158{
159 down(&card->power_lock);
160}
161
195static inline void snd_power_unlock(snd_card_t *card)
162static inline void snd_power_unlock(struct snd_card *card)
196{
197 up(&card->power_lock);
198}
199
163{
164 up(&card->power_lock);
165}
166
200static inline unsigned int snd_power_get_state(snd_card_t *card)
167static inline unsigned int snd_power_get_state(struct snd_card *card)
201{
202 return card->power_state;
203}
204
168{
169 return card->power_state;
170}
171
205static inline void snd_power_change_state(snd_card_t *card, unsigned int state)
172static inline void snd_power_change_state(struct snd_card *card, unsigned int state)
206{
207 card->power_state = state;
208 wake_up(&card->power_sleep);
209}
210
211/* init.c */
173{
174 card->power_state = state;
175 wake_up(&card->power_sleep);
176}
177
178/* init.c */
212int snd_power_wait(snd_card_t *card, unsigned int power_state, struct file *file);
179int snd_power_wait(struct snd_card *card, unsigned int power_state, struct file *file);
213
180
214int snd_card_set_pm_callback(snd_card_t *card,
215 int (*suspend)(snd_card_t *, pm_message_t),
216 int (*resume)(snd_card_t *),
181int snd_card_set_pm_callback(struct snd_card *card,
182 int (*suspend)(struct snd_card *, pm_message_t),
183 int (*resume)(struct snd_card *),
217 void *private_data);
184 void *private_data);
218int snd_card_set_generic_pm_callback(snd_card_t *card,
219 int (*suspend)(snd_card_t *, pm_message_t),
220 int (*resume)(snd_card_t *),
185int snd_card_set_generic_pm_callback(struct snd_card *card,
186 int (*suspend)(struct snd_card *, pm_message_t),
187 int (*resume)(struct snd_card *),
221 void *private_data);
222#define snd_card_set_isa_pm_callback(card,suspend,resume,data) \
223 snd_card_set_generic_pm_callback(card, suspend, resume, data)
224struct pci_dev;
225int snd_card_pci_suspend(struct pci_dev *dev, pm_message_t state);
226int snd_card_pci_resume(struct pci_dev *dev);
227#define SND_PCI_PM_CALLBACKS \
228 .suspend = snd_card_pci_suspend, .resume = snd_card_pci_resume
229
230#else /* ! CONFIG_PM */
231
232#define snd_power_lock(card) do { (void)(card); } while (0)
233#define snd_power_unlock(card) do { (void)(card); } while (0)
188 void *private_data);
189#define snd_card_set_isa_pm_callback(card,suspend,resume,data) \
190 snd_card_set_generic_pm_callback(card, suspend, resume, data)
191struct pci_dev;
192int snd_card_pci_suspend(struct pci_dev *dev, pm_message_t state);
193int snd_card_pci_resume(struct pci_dev *dev);
194#define SND_PCI_PM_CALLBACKS \
195 .suspend = snd_card_pci_suspend, .resume = snd_card_pci_resume
196
197#else /* ! CONFIG_PM */
198
199#define snd_power_lock(card) do { (void)(card); } while (0)
200#define snd_power_unlock(card) do { (void)(card); } while (0)
234static inline int snd_power_wait(snd_card_t *card, unsigned int state, struct file *file) { return 0; }
201static inline int snd_power_wait(struct snd_card *card, unsigned int state, struct file *file) { return 0; }
235#define snd_power_get_state(card) SNDRV_CTL_POWER_D0
236#define snd_power_change_state(card, state) do { (void)(card); } while (0)
237#define snd_card_set_pm_callback(card,suspend,resume,data)
238#define snd_card_set_generic_pm_callback(card,suspend,resume,data)
239#define snd_card_set_isa_pm_callback(card,suspend,resume,data)
240#define SND_PCI_PM_CALLBACKS
241
242#endif /* CONFIG_PM */
243
202#define snd_power_get_state(card) SNDRV_CTL_POWER_D0
203#define snd_power_change_state(card, state) do { (void)(card); } while (0)
204#define snd_card_set_pm_callback(card,suspend,resume,data)
205#define snd_card_set_generic_pm_callback(card,suspend,resume,data)
206#define snd_card_set_isa_pm_callback(card,suspend,resume,data)
207#define SND_PCI_PM_CALLBACKS
208
209#endif /* CONFIG_PM */
210
244struct _snd_minor {
211struct snd_minor {
245 struct list_head list; /* list of all minors per card */
246 int number; /* minor number */
247 int device; /* device number */
248 const char *comment; /* for /proc/asound/devices */
249 struct file_operations *f_ops; /* file operations */
250 char name[0]; /* device name (keep at the end of
251 structure) */
252};
253
212 struct list_head list; /* list of all minors per card */
213 int number; /* minor number */
214 int device; /* device number */
215 const char *comment; /* for /proc/asound/devices */
216 struct file_operations *f_ops; /* file operations */
217 char name[0]; /* device name (keep at the end of
218 structure) */
219};
220
254typedef struct _snd_minor snd_minor_t;
255
256/* sound.c */
257
258extern int snd_major;
259extern int snd_ecards_limit;
260
261void snd_request_card(int card);
262
221/* sound.c */
222
223extern int snd_major;
224extern int snd_ecards_limit;
225
226void snd_request_card(int card);
227
263int snd_register_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name);
264int snd_unregister_device(int type, snd_card_t *card, int dev);
228int snd_register_device(int type, struct snd_card *card, int dev, struct snd_minor *reg, const char *name);
229int snd_unregister_device(int type, struct snd_card *card, int dev);
265
266#ifdef CONFIG_SND_OSSEMUL
230
231#ifdef CONFIG_SND_OSSEMUL
267int snd_register_oss_device(int type, snd_card_t *card, int dev, snd_minor_t *reg, const char *name);
268int snd_unregister_oss_device(int type, snd_card_t *card, int dev);
232int snd_register_oss_device(int type, struct snd_card *card, int dev, struct snd_minor *reg, const char *name);
233int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
269#endif
270
271int snd_minor_info_init(void);
272int snd_minor_info_done(void);
273
274/* sound_oss.c */
275
276#ifdef CONFIG_SND_OSSEMUL

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286/* memory.c */
287
288int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);
289int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count);
290
291/* init.c */
292
293extern unsigned int snd_cards_lock;
234#endif
235
236int snd_minor_info_init(void);
237int snd_minor_info_done(void);
238
239/* sound_oss.c */
240
241#ifdef CONFIG_SND_OSSEMUL

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251/* memory.c */
252
253int copy_to_user_fromio(void __user *dst, const volatile void __iomem *src, size_t count);
254int copy_from_user_toio(volatile void __iomem *dst, const void __user *src, size_t count);
255
256/* init.c */
257
258extern unsigned int snd_cards_lock;
294extern snd_card_t *snd_cards[SNDRV_CARDS];
259extern struct snd_card *snd_cards[SNDRV_CARDS];
295extern rwlock_t snd_card_rwlock;
296#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
297#define SND_MIXER_OSS_NOTIFY_REGISTER 0
298#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1
299#define SND_MIXER_OSS_NOTIFY_FREE 2
260extern rwlock_t snd_card_rwlock;
261#if defined(CONFIG_SND_MIXER_OSS) || defined(CONFIG_SND_MIXER_OSS_MODULE)
262#define SND_MIXER_OSS_NOTIFY_REGISTER 0
263#define SND_MIXER_OSS_NOTIFY_DISCONNECT 1
264#define SND_MIXER_OSS_NOTIFY_FREE 2
300extern int (*snd_mixer_oss_notify_callback)(snd_card_t *card, int cmd);
265extern int (*snd_mixer_oss_notify_callback)(struct snd_card *card, int cmd);
301#endif
302
266#endif
267
303snd_card_t *snd_card_new(int idx, const char *id,
268struct snd_card *snd_card_new(int idx, const char *id,
304 struct module *module, int extra_size);
269 struct module *module, int extra_size);
305int snd_card_disconnect(snd_card_t *card);
306int snd_card_free(snd_card_t *card);
307int snd_card_free_in_thread(snd_card_t *card);
308int snd_card_register(snd_card_t *card);
270int snd_card_disconnect(struct snd_card *card);
271int snd_card_free(struct snd_card *card);
272int snd_card_free_in_thread(struct snd_card *card);
273int snd_card_register(struct snd_card *card);
309int snd_card_info_init(void);
310int snd_card_info_done(void);
274int snd_card_info_init(void);
275int snd_card_info_done(void);
311int snd_component_add(snd_card_t *card, const char *component);
312int snd_card_file_add(snd_card_t *card, struct file *file);
313int snd_card_file_remove(snd_card_t *card, struct file *file);
276int snd_component_add(struct snd_card *card, const char *component);
277int snd_card_file_add(struct snd_card *card, struct file *file);
278int snd_card_file_remove(struct snd_card *card, struct file *file);
314
315#ifndef snd_card_set_dev
316#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
317#endif
318/* register a generic device (for ISA, etc) */
279
280#ifndef snd_card_set_dev
281#define snd_card_set_dev(card,devptr) ((card)->dev = (devptr))
282#endif
283/* register a generic device (for ISA, etc) */
319int snd_card_set_generic_dev(snd_card_t *card);
284int snd_card_set_generic_dev(struct snd_card *card);
320
321/* device.c */
322
285
286/* device.c */
287
323int snd_device_new(snd_card_t *card, snd_device_type_t type,
324 void *device_data, snd_device_ops_t *ops);
325int snd_device_register(snd_card_t *card, void *device_data);
326int snd_device_register_all(snd_card_t *card);
327int snd_device_disconnect(snd_card_t *card, void *device_data);
328int snd_device_disconnect_all(snd_card_t *card);
329int snd_device_free(snd_card_t *card, void *device_data);
330int snd_device_free_all(snd_card_t *card, snd_device_cmd_t cmd);
288int snd_device_new(struct snd_card *card, snd_device_type_t type,
289 void *device_data, struct snd_device_ops *ops);
290int snd_device_register(struct snd_card *card, void *device_data);
291int snd_device_register_all(struct snd_card *card);
292int snd_device_disconnect(struct snd_card *card, void *device_data);
293int snd_device_disconnect_all(struct snd_card *card);
294int snd_device_free(struct snd_card *card, void *device_data);
295int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd);
331
332/* isadma.c */
333
334#ifdef CONFIG_ISA_DMA_API
335#define DMA_MODE_NO_ENABLE 0x0100
336
337void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
338void snd_dma_disable(unsigned long dma);

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438#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE)
439#ifndef gameport_set_dev_parent
440#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev))
441#define gameport_set_port_data(gp,r) ((gp)->port_data = (r))
442#define gameport_get_port_data(gp) (gp)->port_data
443#endif
444#endif
445
296
297/* isadma.c */
298
299#ifdef CONFIG_ISA_DMA_API
300#define DMA_MODE_NO_ENABLE 0x0100
301
302void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
303void snd_dma_disable(unsigned long dma);

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403#if defined(CONFIG_GAMEPORT) || defined(CONFIG_GAMEPORT_MODULE)
404#ifndef gameport_set_dev_parent
405#define gameport_set_dev_parent(gp,xdev) ((gp)->dev.parent = (xdev))
406#define gameport_set_port_data(gp,r) ((gp)->port_data = (r))
407#define gameport_get_port_data(gp) (gp)->port_data
408#endif
409#endif
410
411#include "typedefs.h"
412
446#endif /* __SOUND_CORE_H */
413#endif /* __SOUND_CORE_H */