[ALSA] cs46xx - Fix PM resume

Fixed PM resume of cs46xx devices.  It now restores properly the DSP
image and kick-off the DSP.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Takashi Iwai 2007-07-19 11:23:21 +02:00 committed by Jaroslav Kysela
parent 87d483630a
commit 89f157d9e6
5 changed files with 197 additions and 59 deletions

View File

@ -1723,6 +1723,10 @@ struct snd_cs46xx {
struct snd_cs46xx_pcm *playback_pcm;
unsigned int play_ctl;
#endif
#ifdef CONFIG_PM
u32 *saved_regs;
#endif
};
int snd_cs46xx_create(struct snd_card *card,

View File

@ -107,6 +107,7 @@ struct dsp_scb_descriptor {
char scb_name[DSP_MAX_SCB_NAME];
u32 address;
int index;
u32 *data;
struct dsp_scb_descriptor * sub_list_ptr;
struct dsp_scb_descriptor * next_scb_ptr;
@ -127,6 +128,7 @@ struct dsp_task_descriptor {
int size;
u32 address;
int index;
u32 *data;
};
struct dsp_pcm_channel_descriptor {

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@ -2897,6 +2897,10 @@ static int snd_cs46xx_free(struct snd_cs46xx *chip)
}
#endif
#ifdef CONFIG_PM
kfree(chip->saved_regs);
#endif
pci_disable_device(chip->pci);
kfree(chip);
return 0;
@ -3140,6 +3144,23 @@ static int snd_cs46xx_chip_init(struct snd_cs46xx *chip)
/*
* start and load DSP
*/
static void cs46xx_enable_stream_irqs(struct snd_cs46xx *chip)
{
unsigned int tmp;
snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_IEV | HICR_CHGM);
tmp = snd_cs46xx_peek(chip, BA1_PFIE);
tmp &= ~0x0000f03f;
snd_cs46xx_poke(chip, BA1_PFIE, tmp); /* playback interrupt enable */
tmp = snd_cs46xx_peek(chip, BA1_CIE);
tmp &= ~0x0000003f;
tmp |= 0x00000001;
snd_cs46xx_poke(chip, BA1_CIE, tmp); /* capture interrupt enable */
}
int __devinit snd_cs46xx_start_dsp(struct snd_cs46xx *chip)
{
unsigned int tmp;
@ -3214,19 +3235,7 @@ int __devinit snd_cs46xx_start_dsp(struct snd_cs46xx *chip)
snd_cs46xx_proc_start(chip);
/*
* Enable interrupts on the part.
*/
snd_cs46xx_pokeBA0(chip, BA0_HICR, HICR_IEV | HICR_CHGM);
tmp = snd_cs46xx_peek(chip, BA1_PFIE);
tmp &= ~0x0000f03f;
snd_cs46xx_poke(chip, BA1_PFIE, tmp); /* playback interrupt enable */
tmp = snd_cs46xx_peek(chip, BA1_CIE);
tmp &= ~0x0000003f;
tmp |= 0x00000001;
snd_cs46xx_poke(chip, BA1_CIE, tmp); /* capture interrupt enable */
cs46xx_enable_stream_irqs(chip);
#ifndef CONFIG_SND_CS46XX_NEW_DSP
/* set the attenuation to 0dB */
@ -3665,11 +3674,19 @@ static struct cs_card_type __devinitdata cards[] = {
* APM support
*/
#ifdef CONFIG_PM
static unsigned int saved_regs[] = {
BA0_ACOSV,
BA0_ASER_FADDR,
BA0_ASER_MASTER,
BA1_PVOL,
BA1_CVOL,
};
int snd_cs46xx_suspend(struct pci_dev *pci, pm_message_t state)
{
struct snd_card *card = pci_get_drvdata(pci);
struct snd_cs46xx *chip = card->private_data;
int amp_saved;
int i, amp_saved;
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
chip->in_suspend = 1;
@ -3680,6 +3697,10 @@ int snd_cs46xx_suspend(struct pci_dev *pci, pm_message_t state)
snd_ac97_suspend(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
snd_ac97_suspend(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
/* save some registers */
for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
chip->saved_regs[i] = snd_cs46xx_peekBA0(chip, saved_regs[i]);
amp_saved = chip->amplifier;
/* turn off amp */
chip->amplifier_ctrl(chip, -chip->amplifier);
@ -3698,7 +3719,7 @@ int snd_cs46xx_resume(struct pci_dev *pci)
{
struct snd_card *card = pci_get_drvdata(pci);
struct snd_cs46xx *chip = card->private_data;
int amp_saved;
int i, amp_saved;
pci_set_power_state(pci, PCI_D0);
pci_restore_state(pci);
@ -3716,6 +3737,16 @@ int snd_cs46xx_resume(struct pci_dev *pci)
snd_cs46xx_chip_init(chip);
snd_cs46xx_reset(chip);
#ifdef CONFIG_SND_CS46XX_NEW_DSP
cs46xx_dsp_resume(chip);
/* restore some registers */
for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
snd_cs46xx_pokeBA0(chip, saved_regs[i], chip->saved_regs[i]);
#else
snd_cs46xx_download_image(chip);
#endif
#if 0
snd_cs46xx_codec_write(chip, BA0_AC97_GENERAL_PURPOSE,
chip->ac97_general_purpose);
@ -3730,6 +3761,13 @@ int snd_cs46xx_resume(struct pci_dev *pci)
snd_ac97_resume(chip->ac97[CS46XX_PRIMARY_CODEC_INDEX]);
snd_ac97_resume(chip->ac97[CS46XX_SECONDARY_CODEC_INDEX]);
/* reset playback/capture */
snd_cs46xx_set_play_sample_rate(chip, 8000);
snd_cs46xx_set_capture_sample_rate(chip, 8000);
snd_cs46xx_proc_start(chip);
cs46xx_enable_stream_irqs(chip);
if (amp_saved)
chip->amplifier_ctrl(chip, 1); /* turn amp on */
else
@ -3896,6 +3934,15 @@ int __devinit snd_cs46xx_create(struct snd_card *card,
snd_cs46xx_proc_init(card, chip);
#ifdef CONFIG_PM
chip->saved_regs = kmalloc(sizeof(*chip->saved_regs) *
ARRAY_SIZE(saved_regs), GFP_KERNEL);
if (!chip->saved_regs) {
snd_cs46xx_free(chip);
return -ENOMEM;
}
#endif
chip->active_ctrl(chip, -1); /* disable CLKRUN */
snd_card_set_dev(card, &pci->dev);

View File

@ -86,6 +86,9 @@ static inline unsigned int snd_cs46xx_peekBA0(struct snd_cs46xx *chip, unsigned
struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip);
void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip);
int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module);
#ifdef CONFIG_PM
int cs46xx_dsp_resume(struct snd_cs46xx * chip);
#endif
struct dsp_symbol_entry *cs46xx_dsp_lookup_symbol (struct snd_cs46xx * chip, char * symbol_name,
int symbol_type);
#ifdef CONFIG_PROC_FS

View File

@ -306,13 +306,59 @@ void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
mutex_unlock(&chip->spos_mutex);
}
static int dsp_load_parameter(struct snd_cs46xx *chip,
struct dsp_segment_desc *parameter)
{
u32 doffset, dsize;
if (!parameter) {
snd_printdd("dsp_spos: module got no parameter segment\n");
return 0;
}
doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
dsize = parameter->size * 4;
snd_printdd("dsp_spos: "
"downloading parameter data to chip (%08x-%08x)\n",
doffset,doffset + dsize);
if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
snd_printk(KERN_ERR "dsp_spos: "
"failed to download parameter data to DSP\n");
return -EINVAL;
}
return 0;
}
static int dsp_load_sample(struct snd_cs46xx *chip,
struct dsp_segment_desc *sample)
{
u32 doffset, dsize;
if (!sample) {
snd_printdd("dsp_spos: module got no sample segment\n");
return 0;
}
doffset = (sample->offset * 4 + DSP_SAMPLE_BYTE_OFFSET);
dsize = sample->size * 4;
snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
doffset,doffset + dsize);
if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
return -EINVAL;
}
return 0;
}
int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
struct dsp_segment_desc * code = get_segment_desc (module,SEGTYPE_SP_PROGRAM);
struct dsp_segment_desc * parameter = get_segment_desc (module,SEGTYPE_SP_PARAMETER);
struct dsp_segment_desc * sample = get_segment_desc (module,SEGTYPE_SP_SAMPLE);
u32 doffset, dsize;
int err;
if (ins->nmodules == DSP_MAX_MODULES - 1) {
snd_printk(KERN_ERR "dsp_spos: to many modules loaded into DSP\n");
@ -326,49 +372,20 @@ int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * m
snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET, DSP_PARAMETER_BYTE_SIZE);
}
if (parameter == NULL) {
snd_printdd("dsp_spos: module got no parameter segment\n");
} else {
if (ins->nmodules > 0) {
snd_printk(KERN_WARNING "dsp_spos: WARNING current parameter data may be overwriten!\n");
}
doffset = (parameter->offset * 4 + DSP_PARAMETER_BYTE_OFFSET);
dsize = parameter->size * 4;
snd_printdd("dsp_spos: downloading parameter data to chip (%08x-%08x)\n",
doffset,doffset + dsize);
if (snd_cs46xx_download (chip, parameter->data, doffset, dsize)) {
snd_printk(KERN_ERR "dsp_spos: failed to download parameter data to DSP\n");
return -EINVAL;
}
}
err = dsp_load_parameter(chip, get_segment_desc(module,
SEGTYPE_SP_PARAMETER));
if (err < 0)
return err;
if (ins->nmodules == 0) {
snd_printdd("dsp_spos: clearing sample area\n");
snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET, DSP_SAMPLE_BYTE_SIZE);
}
if (sample == NULL) {
snd_printdd("dsp_spos: module got no sample segment\n");
} else {
if (ins->nmodules > 0) {
snd_printk(KERN_WARNING "dsp_spos: WARNING current sample data may be overwriten\n");
}
doffset = (sample->offset * 4 + DSP_SAMPLE_BYTE_OFFSET);
dsize = sample->size * 4;
snd_printdd("dsp_spos: downloading sample data to chip (%08x-%08x)\n",
doffset,doffset + dsize);
if (snd_cs46xx_download (chip,sample->data,doffset,dsize)) {
snd_printk(KERN_ERR "dsp_spos: failed to sample data to DSP\n");
return -EINVAL;
}
}
err = dsp_load_sample(chip, get_segment_desc(module,
SEGTYPE_SP_SAMPLE));
if (err < 0)
return err;
if (ins->nmodules == 0) {
snd_printdd("dsp_spos: clearing code area\n");
@ -986,7 +1003,10 @@ _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
return NULL;
}
strcpy(ins->tasks[ins->ntask].task_name,name);
if (name)
strcpy(ins->tasks[ins->ntask].task_name, name);
else
strcpy(ins->tasks[ins->ntask].task_name, "(NULL)");
ins->tasks[ins->ntask].address = dest;
ins->tasks[ins->ntask].size = size;
@ -995,7 +1015,8 @@ _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
desc = (ins->tasks + ins->ntask);
ins->ntask++;
add_symbol (chip,name,dest,SYMBOL_PARAMETER);
if (name)
add_symbol (chip,name,dest,SYMBOL_PARAMETER);
return desc;
}
@ -1006,6 +1027,7 @@ cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32
desc = _map_scb (chip,name,dest);
if (desc) {
desc->data = scb_data;
_dsp_create_scb(chip,scb_data,dest);
} else {
snd_printk(KERN_ERR "dsp_spos: failed to map SCB\n");
@ -1023,6 +1045,7 @@ cs46xx_dsp_create_task_tree (struct snd_cs46xx *chip, char * name, u32 * task_da
desc = _map_task_tree (chip,name,dest,size);
if (desc) {
desc->data = task_data;
_dsp_create_task_tree(chip,task_data,dest,size);
} else {
snd_printk(KERN_ERR "dsp_spos: failed to map TASK\n");
@ -1320,8 +1343,10 @@ int cs46xx_dsp_scb_and_task_init (struct snd_cs46xx *chip)
0x0000ffff
};
/* dirty hack ... */
_dsp_create_task_tree (chip,(u32 *)&mix2_ostream_spb,WRITE_BACK_SPB,2);
if (!cs46xx_dsp_create_task_tree(chip, NULL,
(u32 *)&mix2_ostream_spb,
WRITE_BACK_SPB, 2))
goto _fail_end;
}
/* input sample converter */
@ -1622,7 +1647,6 @@ static int cs46xx_dsp_async_init (struct snd_cs46xx *chip,
return 0;
}
static void cs46xx_dsp_disable_spdif_hw (struct snd_cs46xx *chip)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
@ -1894,3 +1918,61 @@ int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right)
return 0;
}
#ifdef CONFIG_PM
int cs46xx_dsp_resume(struct snd_cs46xx * chip)
{
struct dsp_spos_instance * ins = chip->dsp_spos_instance;
int i, err;
/* clear parameter, sample and code areas */
snd_cs46xx_clear_BA1(chip, DSP_PARAMETER_BYTE_OFFSET,
DSP_PARAMETER_BYTE_SIZE);
snd_cs46xx_clear_BA1(chip, DSP_SAMPLE_BYTE_OFFSET,
DSP_SAMPLE_BYTE_SIZE);
snd_cs46xx_clear_BA1(chip, DSP_CODE_BYTE_OFFSET, DSP_CODE_BYTE_SIZE);
for (i = 0; i < ins->nmodules; i++) {
struct dsp_module_desc *module = &ins->modules[i];
struct dsp_segment_desc *seg;
u32 doffset, dsize;
seg = get_segment_desc(module, SEGTYPE_SP_PARAMETER);
err = dsp_load_parameter(chip, seg);
if (err < 0)
return err;
seg = get_segment_desc(module, SEGTYPE_SP_SAMPLE);
err = dsp_load_sample(chip, seg);
if (err < 0)
return err;
seg = get_segment_desc(module, SEGTYPE_SP_PROGRAM);
if (!seg)
continue;
doffset = seg->offset * 4 + module->load_address * 4
+ DSP_CODE_BYTE_OFFSET;
dsize = seg->size * 4;
err = snd_cs46xx_download(chip,
ins->code.data + module->load_address,
doffset, dsize);
if (err < 0)
return err;
}
for (i = 0; i < ins->ntask; i++) {
struct dsp_task_descriptor *t = &ins->tasks[i];
_dsp_create_task_tree(chip, t->data, t->address, t->size);
}
for (i = 0; i < ins->nscb; i++) {
struct dsp_scb_descriptor *s = &ins->scbs[i];
if (s->deleted)
continue;
_dsp_create_scb(chip, s->data, s->address);
}
return 0;
}
#endif