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ALSA: cs46xx - Fix suspend/resume with new DSP

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Fix the basic suspend/resume of snd-cs46xx drivers with new DSP.

References:
	https://bugzilla.redhat.com/show_bug.cgi?id=498287
	https://bugzilla.redhat.com/show_bug.cgi?id=160751

Tested-by: Florian Zumbiehl <florz@florz.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2009-12-22 09:00:14 +01:00
parent 8374e24c23
commit 41116e926c
5 changed files with 62 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
sound/pci/cs46xx/dsp_spos.c
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@ -298,6 +298,9 @@ void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip)
if (ins->scbs[i].deleted) continue;
cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) );
#ifdef CONFIG_PM
kfree(ins->scbs[i].data);
#endif
}
kfree(ins->code.data);
@ -974,13 +977,11 @@ static struct dsp_scb_descriptor * _map_scb (struct snd_cs46xx *chip, char * nam
index = find_free_scb_index (ins);
memset(&ins->scbs[index], 0, sizeof(ins->scbs[index]));
strcpy(ins->scbs[index].scb_name, name);
ins->scbs[index].address = dest;
ins->scbs[index].index = index;
ins->scbs[index].proc_info = NULL;
ins->scbs[index].ref_count = 1;
ins->scbs[index].deleted = 0;
spin_lock_init(&ins->scbs[index].lock);
desc = (ins->scbs + index);
ins->scbs[index].scb_symbol = add_symbol (chip, name, dest, SYMBOL_PARAMETER);
@ -1022,17 +1023,29 @@ _map_task_tree (struct snd_cs46xx *chip, char * name, u32 dest, u32 size)
return desc;
}
#define SCB_BYTES (0x10 * 4)
struct dsp_scb_descriptor *
cs46xx_dsp_create_scb (struct snd_cs46xx *chip, char * name, u32 * scb_data, u32 dest)
{
struct dsp_scb_descriptor * desc;
#ifdef CONFIG_PM
/* copy the data for resume */
scb_data = kmemdup(scb_data, SCB_BYTES, GFP_KERNEL);
if (!scb_data)
return NULL;
#endif
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");
#ifdef CONFIG_PM
kfree(scb_data);
#endif
}
return desc;
@ -1988,7 +2001,28 @@ int cs46xx_dsp_resume(struct snd_cs46xx * chip)
continue;
_dsp_create_scb(chip, s->data, s->address);
}
for (i = 0; i < ins->nscb; i++) {
struct dsp_scb_descriptor *s = &ins->scbs[i];
if (s->deleted)
continue;
if (s->updated)
cs46xx_dsp_spos_update_scb(chip, s);
if (s->volume_set)
cs46xx_dsp_scb_set_volume(chip, s,
s->volume[0], s->volume[1]);
}
if (ins->spdif_status_out & DSP_SPDIF_STATUS_HW_ENABLED) {
cs46xx_dsp_enable_spdif_hw(chip);
snd_cs46xx_poke(chip, (ins->ref_snoop_scb->address + 2) << 2,
(OUTPUT_SNOOP_BUFFER + 0x10) << 0x10);
if (ins->spdif_status_out & DSP_SPDIF_STATUS_PLAYBACK_OPEN)
cs46xx_poke_via_dsp(chip, SP_SPDOUT_CSUV,
ins->spdif_csuv_stream);
}
if (chip->dsp_spos_instance->spdif_status_in) {
cs46xx_poke_via_dsp(chip, SP_ASER_COUNTDOWN, 0x80000005);
cs46xx_poke_via_dsp(chip, SP_SPDIN_CONTROL, 0x800003ff);
}
return 0;
}
#endif