Commit 09668b44 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] emu10k1 - Add PM support



Modules: EMU10K1/EMU10K2 driver

Add PM support to emu10k1 driver.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent fe8be107
......@@ -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);
......
......@@ -125,65 +125,43 @@ static int __devinit snd_card_emu10k1_probe(struct pci_dev *pci,
if ((err = snd_emu10k1_create(card, pci, extin[dev], extout[dev],
(long)max_buffer_size[dev] * 1024 * 1024,
enable_ir[dev], subsystem[dev],
&emu)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0) {
snd_card_free(card);
return err;
}
&emu)) < 0)
goto error;
card->private_data = emu;
if ((err = snd_emu10k1_pcm(emu, 0, NULL)) < 0)
goto error;
if ((err = snd_emu10k1_pcm_mic(emu, 1, NULL)) < 0)
goto error;
if ((err = snd_emu10k1_pcm_efx(emu, 2, NULL)) < 0)
goto error;
/* This stores the periods table. */
if (emu->card_capabilities->ca0151_chip) { /* P16V */
if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), 1024, &emu->p16v_buffer) < 0) {
snd_p16v_free(emu);
return -ENOMEM;
}
if ((err = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
1024, &emu->p16v_buffer)) < 0)
goto error;
}
if ((err = snd_emu10k1_mixer(emu, 0, 3)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_mixer(emu, 0, 3)) < 0)
goto error;
if ((err = snd_emu10k1_timer(emu, 0)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_timer(emu, 0)) < 0)
goto error;
if ((err = snd_emu10k1_pcm_multi(emu, 3, NULL)) < 0) {
snd_card_free(card);
return err;
}
if (emu->card_capabilities->ca0151_chip) { /* P16V */
if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_pcm_multi(emu, 3, NULL)) < 0)
goto error;
if (emu->card_capabilities->ca0151_chip) { /* P16V */
if ((err = snd_p16v_pcm(emu, 4, NULL)) < 0)
goto error;
}
if (emu->audigy) {
if ((err = snd_emu10k1_audigy_midi(emu)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_emu10k1_audigy_midi(emu)) < 0)
goto error;
} else {
if ((err = snd_emu10k1_midi(emu)) < 0) {
snd_card_free(card);
return err;
}
}
if ((err = snd_emu10k1_fx8010_new(emu, 0, NULL)) < 0) {
snd_card_free(card);
return err;
if ((err = snd_emu10k1_midi(emu)) < 0)
goto error;
}
if ((err = snd_emu10k1_fx8010_new(emu, 0, NULL)) < 0)
goto error;
#ifdef ENABLE_SYNTH
if (snd_seq_device_new(card, 1, SNDRV_SEQ_DEV_ID_EMU10K1_SYNTH,
sizeof(struct snd_emu10k1_synth_arg), &wave) < 0 ||
......@@ -206,13 +184,16 @@ static int __devinit snd_card_emu10k1_probe(struct pci_dev *pci,
"%s (rev.%d, serial:0x%x) at 0x%lx, irq %i",
card->shortname, emu->revision, emu->serial, emu->port, emu->irq);
if ((err = snd_card_register(card)) < 0) {
snd_card_free(card);
return err;
}
if ((err = snd_card_register(card)) < 0)
goto error;
pci_set_drvdata(pci, card);
dev++;
return 0;
error:
snd_card_free(card);
return err;
}
static void __devexit snd_card_emu10k1_remove(struct pci_dev *pci)
......@@ -221,11 +202,68 @@ static void __devexit snd_card_emu10k1_remove(struct pci_dev *pci)
pci_set_drvdata(pci, NULL);
}
#ifdef CONFIG_PM
static int snd_emu10k1_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_card *card = pci_get_drvdata(pci);
struct snd_emu10k1 *emu = card->private_data;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(emu->pcm);
snd_pcm_suspend_all(emu->pcm_mic);
snd_pcm_suspend_all(emu->pcm_efx);
snd_pcm_suspend_all(emu->pcm_multi);
snd_pcm_suspend_all(emu->pcm_p16v);
snd_ac97_suspend(emu->ac97);
snd_emu10k1_efx_suspend(emu);
snd_emu10k1_suspend_regs(emu);
if (emu->card_capabilities->ca0151_chip)
snd_p16v_suspend(emu);
snd_emu10k1_done(emu);
pci_set_power_state(pci, PCI_D3hot);
pci_disable_device(pci);
pci_save_state(pci);
return 0;
}
int snd_emu10k1_resume(struct pci_dev *pci)
{
struct snd_card *card = pci_get_drvdata(pci);
struct snd_emu10k1 *emu = card->private_data;
pci_restore_state(pci);
pci_enable_device(pci);
pci_set_power_state(pci, PCI_D0);
pci_set_master(pci);
snd_emu10k1_resume_init(emu);
snd_emu10k1_efx_resume(emu);
snd_ac97_resume(emu->ac97);
snd_emu10k1_resume_regs(emu);
if (emu->card_capabilities->ca0151_chip)
snd_p16v_resume(emu);
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif
static struct pci_driver driver = {
.name = "EMU10K1_Audigy",
.id_table = snd_emu10k1_ids,
.probe = snd_card_emu10k1_probe,
.remove = __devexit_p(snd_card_emu10k1_remove),
#ifdef CONFIG_PM
.suspend = snd_emu10k1_suspend,
.resume = snd_emu10k1_resume,
#endif
};
static int __init alsa_card_emu10k1_init(void)
......
......@@ -42,12 +42,6 @@
#include "p16v.h"
#include "tina2.h"
#if 0
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Creative Labs, Inc.");
MODULE_DESCRIPTION("Routines for control of EMU10K1 chips");
MODULE_LICENSE("GPL");
#endif
/*************************************************************************
* EMU10K1 init / done
*************************************************************************/
......@@ -97,17 +91,14 @@ void snd_emu10k1_voice_init(struct snd_emu10k1 * emu, int ch)
}
}
static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
static int snd_emu10k1_init(struct snd_emu10k1 *emu, int enable_ir, int resume)
{
int ch, idx, err;
unsigned int silent_page;
emu->fx8010.itram_size = (16 * 1024)/2;
emu->fx8010.etram_pages.area = NULL;
emu->fx8010.etram_pages.bytes = 0;
int ch;
/* disable audio and lock cache */
outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE,
emu->port + HCFG);
/* reset recording buffers */
snd_emu10k1_ptr_write(emu, MICBS, 0, ADCBS_BUFSIZE_NONE);
......@@ -128,48 +119,17 @@ static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
/* set SPDIF bypass mode */
snd_emu10k1_ptr_write(emu, SPBYPASS, 0, SPBYPASS_FORMAT);
/* enable rear left + rear right AC97 slots */
snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_REAR_RIGHT | AC97SLOT_REAR_LEFT);
snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_REAR_RIGHT |
AC97SLOT_REAR_LEFT);
}
/* init envelope engine */
for (ch = 0; ch < NUM_G; ch++) {
emu->voices[ch].emu = emu;
emu->voices[ch].number = ch;
for (ch = 0; ch < NUM_G; ch++)
snd_emu10k1_voice_init(emu, ch);
}
/*
* Init to 0x02109204 :
* Clock accuracy = 0 (1000ppm)
* Sample Rate = 2 (48kHz)
* Audio Channel = 1 (Left of 2)
* Source Number = 0 (Unspecified)
* Generation Status = 1 (Original for Cat Code 12)
* Cat Code = 12 (Digital Signal Mixer)
* Mode = 0 (Mode 0)
* Emphasis = 0 (None)
* CP = 1 (Copyright unasserted)
* AN = 0 (Audio data)
* P = 0 (Consumer)
*/
snd_emu10k1_ptr_write(emu, SPCS0, 0,
emu->spdif_bits[0] =
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
SPCS_GENERATIONSTATUS | 0x00001200 |
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
snd_emu10k1_ptr_write(emu, SPCS1, 0,
emu->spdif_bits[1] =
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
SPCS_GENERATIONSTATUS | 0x00001200 |
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
snd_emu10k1_ptr_write(emu, SPCS2, 0,
emu->spdif_bits[2] =
SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
SPCS_GENERATIONSTATUS | 0x00001200 |
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT);
snd_emu10k1_ptr_write(emu, SPCS0, 0, emu->spdif_bits[0]);
snd_emu10k1_ptr_write(emu, SPCS1, 0, emu->spdif_bits[1]);
snd_emu10k1_ptr_write(emu, SPCS2, 0, emu->spdif_bits[2]);
if (emu->card_capabilities->ca0151_chip) { /* audigy2 */
/* Hacks for Alice3 to work independent of haP16V driver */
......@@ -196,7 +156,7 @@ static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
/* Hacks for Alice3 to work independent of haP16V driver */
u32 tmp;
snd_printk(KERN_ERR "Audigy2 value:Special config.\n");
snd_printk(KERN_INFO "Audigy2 value: Special config.\n");
//Setup SRCMulti_I2S SamplingRate
tmp = snd_emu10k1_ptr_read(emu, A_SPDIF_SAMPLERATE, 0);
tmp &= 0xfffff1ff;
......@@ -221,14 +181,6 @@ static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
outl(tmp, emu->port + A_IOCFG);
}
/*
* Clear page with silence & setup all pointers to this page
*/
memset(emu->silent_page.area, 0, PAGE_SIZE);
silent_page = emu->silent_page.addr << 1;
for (idx = 0; idx < MAXPAGES; idx++)
((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
snd_emu10k1_ptr_write(emu, PTB, 0, emu->ptb_pages.addr);
snd_emu10k1_ptr_write(emu, TCB, 0, 0); /* taken from original driver */
snd_emu10k1_ptr_write(emu, TCBS, 0, 4); /* taken from original driver */
......@@ -287,12 +239,11 @@ static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
outl(reg | A_IOCFG_GPOUT0, emu->port + A_IOCFG);
}
/*
* Initialize the effect engine
*/
if ((err = snd_emu10k1_init_efx(emu)) < 0)
return err;
return 0;
}
static void snd_emu10k1_audio_enable(struct snd_emu10k1 *emu)
{
/*
* Enable the audio bit
*/
......@@ -335,15 +286,9 @@ static int __devinit snd_emu10k1_init(struct snd_emu10k1 * emu, int enable_ir)
#endif
snd_emu10k1_intr_enable(emu, INTE_PCIERRORENABLE);
emu->reserved_page = (struct snd_emu10k1_memblk *)snd_emu10k1_synth_alloc(emu, 4096);
if (emu->reserved_page)
emu->reserved_page->map_locked = 1;
return 0;
}
static int snd_emu10k1_done(struct snd_emu10k1 * emu)
int snd_emu10k1_done(struct snd_emu10k1 * emu)
{
int ch;
......@@ -382,18 +327,10 @@ static int snd_emu10k1_done(struct snd_emu10k1 * emu)
snd_emu10k1_ptr_write(emu, SOLEL, 0, 0);
snd_emu10k1_ptr_write(emu, SOLEH, 0, 0);
/* remove reserved page */
if (emu->reserved_page != NULL) {
snd_emu10k1_synth_free(emu, (struct snd_util_memblk *)emu->reserved_page);
emu->reserved_page = NULL;
}
/* disable audio and lock cache */
outl(HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE, emu->port + HCFG);
snd_emu10k1_ptr_write(emu, PTB, 0, 0);
snd_emu10k1_free_efx(emu);
return 0;
}
......@@ -609,11 +546,22 @@ static int __devinit snd_emu10k1_cardbus_init(struct snd_emu10k1 * emu)
* Create the EMU10K1 instance
*/
#ifdef CONFIG_PM
static int alloc_pm_buffer(struct snd_emu10k1 *emu);
static void free_pm_buffer(struct snd_emu10k1 *emu);
#endif
static int snd_emu10k1_free(struct snd_emu10k1 *emu)
{
if (emu->port) { /* avoid access to already used hardware */
snd_emu10k1_fx8010_tram_setup(emu, 0);
snd_emu10k1_done(emu);
/* remove reserved page */
if (emu->reserved_page) {
snd_emu10k1_synth_free(emu, (struct snd_util_memblk *)emu->reserved_page);
emu->reserved_page = NULL;
}
snd_emu10k1_free_efx(emu);
}
if (emu->memhdr)
snd_util_memhdr_free(emu->memhdr);
......@@ -623,13 +571,16 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu)
snd_dma_free_pages(&emu->ptb_pages);
vfree(emu->page_ptr_table);
vfree(emu->page_addr_table);
#ifdef CONFIG_PM
free_pm_buffer(emu);
#endif
if (emu->irq >= 0)
free_irq(emu->irq, (void *)emu);
if (emu->port)
pci_release_regions(emu->pci);
pci_disable_device(emu->pci);
if (emu->card_capabilities->ca0151_chip) /* P16V */
snd_p16v_free(emu);
pci_disable_device(emu->pci);
kfree(emu);
return 0;
}
......@@ -900,9 +851,10 @@ int __devinit snd_emu10k1_create(struct snd_card *card,
struct snd_emu10k1 ** remu)
{
struct snd_emu10k1 *emu;
int err;
int idx, err;
int is_audigy;
unsigned char revision;
unsigned int silent_page;
const struct snd_emu_chip_details *c;
static struct snd_device_ops ops = {
.dev_free = snd_emu10k1_dev_free,
......@@ -1012,34 +964,34 @@ int __devinit snd_emu10k1_create(struct snd_card *card,
emu->port = pci_resource_start(pci, 0);
if (request_irq(pci->irq, snd_emu10k1_interrupt, SA_INTERRUPT|SA_SHIRQ, "EMU10K1", (void *)emu)) {
snd_emu10k1_free(emu);
return -EBUSY;
err = -EBUSY;
goto error;
}
emu->irq = pci->irq;
emu->max_cache_pages = max_cache_bytes >> PAGE_SHIFT;
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
32 * 1024, &emu->ptb_pages) < 0) {
snd_emu10k1_free(emu);
return -ENOMEM;
err = -ENOMEM;
goto error;
}
emu->page_ptr_table = (void **)vmalloc(emu->max_cache_pages * sizeof(void*));
emu->page_addr_table = (unsigned long*)vmalloc(emu->max_cache_pages * sizeof(unsigned long));
if (emu->page_ptr_table == NULL || emu->page_addr_table == NULL) {
snd_emu10k1_free(emu);
return -ENOMEM;
err = -ENOMEM;
goto error;
}
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
EMUPAGESIZE, &emu->silent_page) < 0) {
snd_emu10k1_free(emu);
return -ENOMEM;
err = -ENOMEM;
goto error;
}
emu->memhdr = snd_util_memhdr_new(emu->max_cache_pages * PAGE_SIZE);
if (emu->memhdr == NULL) {
snd_emu10k1_free(emu);
return -ENOMEM;
err = -ENOMEM;
goto error;
}
emu->memhdr->block_extra_size = sizeof(struct snd_emu10k1_memblk) -
sizeof(struct snd_util_memblk);
......@@ -1053,40 +1005,184 @@ int __devinit snd_emu10k1_create(struct snd_card *card,
extout_mask = 0x7fff;
emu->fx8010.extin_mask = extin_mask;
emu->fx8010.extout_mask = extout_mask;
emu->enable_ir = enable_ir;
if (emu->card_capabilities->ecard) {
if ((err = snd_emu10k1_ecard_init(emu)) < 0) {
snd_emu10k1_free(emu);
return err;
}
if ((err = snd_emu10k1_ecard_init(emu)) < 0)
goto error;
} else if (emu->card_capabilities->ca_cardbus_chip) {
if ((err = snd_emu10k1_cardbus_init(emu)) < 0) {
snd_emu10k1_free(emu);
return err;
}
if ((err = snd_emu10k1_cardbus_init(emu)) < 0)
goto error;
} else {
/* 5.1: Enable the additional AC97 Slots. If the emu10k1 version
does not support this, it shouldn't do any harm */
snd_emu10k1_ptr_write(emu, AC97SLOT, 0, AC97SLOT_CNTR|AC97SLOT_LFE);
}
if ((err = snd_emu10k1_init(emu, enable_ir)) < 0) {
snd_emu10k1_free(emu);
return err;
}
/* initialize TRAM setup */
emu->fx8010.itram_size = (16 * 1024)/2;
emu->fx8010.etram_pages.area = NULL;
emu->fx8010.etram_pages.bytes = 0;
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, emu, &ops)) < 0) {
snd_emu10k1_free(emu);
return err;
/*
* Init to 0x02109204 :
* Clock accuracy = 0 (1000ppm)
* Sample Rate = 2 (48kHz)
* Audio Channel = 1 (Left of 2)
* Source Number = 0 (Unspecified)
* Generation Status = 1 (Original for Cat Code 12)
* Cat Code = 12 (Digital Signal Mixer)
* Mode = 0 (Mode 0)
* Emphasis = 0 (None)
* CP = 1 (Copyright unasserted)
* AN = 0 (Audio data)
* P = 0 (Consumer)
*/
emu->spdif_bits[0] = emu->spdif_bits[1] =
emu->spdif_bits[2] = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
SPCS_GENERATIONSTATUS | 0x00001200 |
0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
emu->reserved_page = (struct snd_emu10k1_memblk *)
snd_emu10k1_synth_alloc(emu, 4096);
if (emu->reserved_page)
emu->reserved_page->map_locked = 1;
/* Clear silent pages and set up pointers */
memset(emu->silent_page.area, 0, PAGE_SIZE);
silent_page = emu->silent_page.addr << 1;
for (idx = 0; idx < MAXPAGES; idx++)
((u32 *)emu->ptb_pages.area)[idx] = cpu_to_le32(silent_page | idx);
/* set up voice indices */
for (idx = 0; idx < NUM_G; idx++) {
emu->voices[idx].emu = emu;
emu->voices[idx].number = idx;
}
if ((err = snd_emu10k1_init(emu, enable_ir, 0)) < 0)
goto error;
#ifdef CONFIG_PM
if ((err = alloc_pm_buffer(emu)) < 0)
goto error;
#endif
/* Initialize the effect engine */
if ((err = snd_emu10k1_init_efx(emu)) < 0)
goto error;
snd_emu10k1_audio_enable(emu);
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, emu, &ops)) < 0)
goto error;
snd_emu10k1_proc_init(emu);
snd_card_set_dev(card, &pci->dev);
*remu = emu;