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Added power management functions and defines.

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This commit is contained in:
Jaroslav Kysela 2001-09-26 13:57:04 +00:00
parent 23d8f9a0b0
commit 3c59c6b11d
19 changed files with 195 additions and 0 deletions
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1
include/aserver.h
View file

@ -113,6 +113,7 @@ typedef struct {
int pcm_prefer_subdevice;
snd_rawmidi_info_t rawmidi_info;
int rawmidi_prefer_subdevice;
unsigned int power_state;
snd_ctl_event_t read;
} u;
char data[0];

16
include/control.h
View file

@ -142,6 +142,20 @@ typedef enum _snd_ctl_event_type {
/** Element name for IEC958 (S/PDIF) */
#define SND_CTL_NAME_IEC958(expl,direction,what) "IEC958 " expl SND_CTL_NAME_##direction SND_CTL_NAME_IEC958_##what
/** Mask for the major Power State identifier */
#define SNDRV_CTL_POWER_MASK 0xff00
/** ACPI/PCI Power State D0 */
#define SNDRV_CTL_POWER_D0 0x0000
/** ACPI/PCI Power State D1 */
#define SNDRV_CTL_POWER_D1 0x0100
/** ACPI/PCI Power State D2 */
#define SNDRV_CTL_POWER_D2 0x0200
/** ACPI/PCI Power State D3 */
#define SNDRV_CTL_POWERDOWN_D3 0x0300
/** ACPI/PCI Power State D3hot */
#define SNDRV_CTL_POWERDOWN_D3hot (SNDRV_CTL_POWERDOWN_D3|0x0000)
/** ACPI/PCI Power State D3cold */
#define SNDRV_CTL_POWERDOWN_D3cold (SNDRV_CTL_POWERDOWN_D3|0x0001)
/** CTL type */
typedef enum _snd_ctl_type {
@ -208,6 +222,8 @@ int snd_ctl_pcm_prefer_subdevice(snd_ctl_t *ctl, int subdev);
int snd_ctl_rawmidi_next_device(snd_ctl_t *ctl, int * device);
int snd_ctl_rawmidi_info(snd_ctl_t *ctl, snd_rawmidi_info_t * info);
int snd_ctl_rawmidi_prefer_subdevice(snd_ctl_t *ctl, int subdev);
int snd_ctl_set_power_state(snd_ctl_t *ctl, unsigned int state);
int snd_ctl_get_power_state(snd_ctl_t *ctl, unsigned int *state);
int snd_ctl_read(snd_ctl_t *ctl, snd_ctl_event_t *event);
int snd_ctl_wait(snd_ctl_t *ctl, int timeout);

3
include/pcm.h
View file

@ -222,6 +222,8 @@ typedef enum _snd_pcm_state {
SND_PCM_STATE_DRAINING,
/** Paused */
SND_PCM_STATE_PAUSED,
/** Hardware is suspended */
SND_PCM_STATE_SUSPENDED,
SND_PCM_STATE_LAST = SND_PCM_STATE_PAUSED,
} snd_pcm_state_t;
@ -367,6 +369,7 @@ int snd_pcm_drain(snd_pcm_t *pcm);
int snd_pcm_pause(snd_pcm_t *pcm, int enable);
snd_pcm_state_t snd_pcm_state(snd_pcm_t *pcm);
int snd_pcm_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
int snd_pcm_resume(snd_pcm_t *pcm);
snd_pcm_sframes_t snd_pcm_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
snd_pcm_sframes_t snd_pcm_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
snd_pcm_sframes_t snd_pcm_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);