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[ALSA] emu10k1 - Add PM support

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Modules: EMU10K1/EMU10K2 driver

Add PM support to emu10k1 driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2005-11-17 16:14:10 +01:00
committed by Jaroslav Kysela
parent fe8be10786
commit 09668b441d
6 changed files with 491 additions and 170 deletions
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31
include/sound/emu10k1.h
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@ -1071,7 +1071,8 @@ struct snd_emu10k1 {
unsigned long port; /* I/O port number */
unsigned int tos_link: 1, /* tos link detected */
rear_ac97: 1; /* rear channels are on AC'97 */
rear_ac97: 1, /* rear channels are on AC'97 */
enable_ir: 1;
/* Contains profile of card capabilities */
const struct snd_emu_chip_details *card_capabilities;
unsigned int audigy; /* is Audigy? */
@ -1108,6 +1109,7 @@ struct snd_emu10k1 {
struct snd_pcm *pcm;
struct snd_pcm *pcm_mic;
struct snd_pcm *pcm_efx;
struct snd_pcm *pcm_multi;
struct snd_pcm *pcm_p16v;
spinlock_t synth_lock;
@ -1153,6 +1155,17 @@ struct snd_emu10k1 {
unsigned int efx_voices_mask[2];
unsigned int next_free_voice;
#ifdef CONFIG_PM
unsigned int *saved_ptr;
unsigned int *saved_gpr;
unsigned int *tram_val_saved;
unsigned int *tram_addr_saved;
unsigned int *saved_icode;
unsigned int *p16v_saved;
unsigned int saved_a_iocfg, saved_hcfg;
#endif
};
int snd_emu10k1_create(struct snd_card *card,
@ -1178,11 +1191,11 @@ int snd_emu10k1_fx8010_new(struct snd_emu10k1 *emu, int device, struct snd_hwdep
irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id, struct pt_regs *regs);
/* initialization */
void snd_emu10k1_voice_init(struct snd_emu10k1 * emu, int voice);
int snd_emu10k1_init_efx(struct snd_emu10k1 *emu);
void snd_emu10k1_free_efx(struct snd_emu10k1 *emu);
int snd_emu10k1_fx8010_tram_setup(struct snd_emu10k1 *emu, u32 size);
int snd_emu10k1_done(struct snd_emu10k1 * emu);
/* I/O functions */
unsigned int snd_emu10k1_ptr_read(struct snd_emu10k1 * emu, unsigned int reg, unsigned int chn);
@ -1206,6 +1219,20 @@ unsigned short snd_emu10k1_ac97_read(struct snd_ac97 *ac97, unsigned short reg);
void snd_emu10k1_ac97_write(struct snd_ac97 *ac97, unsigned short reg, unsigned short data);
unsigned int snd_emu10k1_rate_to_pitch(unsigned int rate);
#ifdef CONFIG_PM
void snd_emu10k1_suspend_regs(struct snd_emu10k1 *emu);
void snd_emu10k1_resume_init(struct snd_emu10k1 *emu);
void snd_emu10k1_resume_regs(struct snd_emu10k1 *emu);
int snd_emu10k1_efx_alloc_pm_buffer(struct snd_emu10k1 *emu);
void snd_emu10k1_efx_free_pm_buffer(struct snd_emu10k1 *emu);
void snd_emu10k1_efx_suspend(struct snd_emu10k1 *emu);
void snd_emu10k1_efx_resume(struct snd_emu10k1 *emu);
int snd_p16v_alloc_pm_buffer(struct snd_emu10k1 *emu);
void snd_p16v_free_pm_buffer(struct snd_emu10k1 *emu);
void snd_p16v_suspend(struct snd_emu10k1 *emu);
void snd_p16v_resume(struct snd_emu10k1 *emu);
#endif
/* memory allocation */
struct snd_util_memblk *snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *substream);
int snd_emu10k1_free_pages(struct snd_emu10k1 *emu, struct snd_util_memblk *blk);