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path: root/sound/pci/cmipci.c
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Diffstat (limited to 'sound/pci/cmipci.c')
-rw-r--r--sound/pci/cmipci.c104
1 files changed, 98 insertions, 6 deletions
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index ce156ca5bc6f..c03b0a0a3b27 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -269,6 +269,7 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address.");
#define CM_MICGAINZ 0x01 /* mic boost */
#define CM_MICGAINZ_SHIFT 0
+#define CM_REG_MIXER3 0x24
#define CM_REG_AUX_VOL 0x26
#define CM_VAUXL_MASK 0xf0
#define CM_VAUXR_MASK 0x0f
@@ -324,6 +325,7 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address.");
#define CM_REG_CH0_FRAME2 0x84
#define CM_REG_CH1_FRAME1 0x88 /* 0-15: count of samples at bus master; buffer size */
#define CM_REG_CH1_FRAME2 0x8C /* 16-31: count of samples at codec; fragment size */
+#define CM_REG_EXT_MISC 0x90
#define CM_REG_MISC_CTRL_8768 0x92 /* reg. name the same as 0x18 */
#define CM_CHB3D8C 0x20 /* 7.1 channels support */
#define CM_SPD32FMT 0x10 /* SPDIF/IN 32k */
@@ -453,6 +455,11 @@ struct cmipci {
#endif
spinlock_t reg_lock;
+
+#ifdef CONFIG_PM
+ unsigned int saved_regs[0x20];
+ unsigned char saved_mixers[0x20];
+#endif
};
@@ -849,10 +856,12 @@ static int snd_cmipci_pcm_trigger(struct cmipci *cm, struct cmipci_pcm *rec,
snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl & ~reset);
break;
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
cm->ctrl |= pause;
snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl);
break;
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
cm->ctrl &= ~pause;
snd_cmipci_write(cm, CM_REG_FUNCTRL0, cm->ctrl);
break;
@@ -1325,7 +1334,7 @@ static struct snd_pcm_hardware snd_cmipci_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5512,
@@ -1345,7 +1354,7 @@ static struct snd_pcm_hardware snd_cmipci_capture =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5512,
@@ -1365,7 +1374,7 @@ static struct snd_pcm_hardware snd_cmipci_playback2 =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000,
.rate_min = 5512,
@@ -1385,7 +1394,7 @@ static struct snd_pcm_hardware snd_cmipci_playback_spdif =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.rate_min = 44100,
@@ -1405,7 +1414,7 @@ static struct snd_pcm_hardware snd_cmipci_playback_iec958_subframe =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE,
.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.rate_min = 44100,
@@ -1425,7 +1434,7 @@ static struct snd_pcm_hardware snd_cmipci_capture_spdif =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_MMAP_VALID),
+ SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.rate_min = 44100,
@@ -3038,6 +3047,7 @@ static int __devinit snd_cmipci_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
+ card->private_data = cm;
sprintf(card->shortname, "C-Media PCI %s", card->driver);
sprintf(card->longname, "%s (model %d) at 0x%lx, irq %i",
@@ -3065,11 +3075,93 @@ static void __devexit snd_cmipci_remove(struct pci_dev *pci)
}
+#ifdef CONFIG_PM
+/*
+ * power management
+ */
+static unsigned char saved_regs[] = {
+ CM_REG_FUNCTRL1, CM_REG_CHFORMAT, CM_REG_LEGACY_CTRL, CM_REG_MISC_CTRL,
+ CM_REG_MIXER0, CM_REG_MIXER1, CM_REG_MIXER2, CM_REG_MIXER3, CM_REG_PLL,
+ CM_REG_CH0_FRAME1, CM_REG_CH0_FRAME2,
+ CM_REG_CH1_FRAME1, CM_REG_CH1_FRAME2, CM_REG_EXT_MISC,
+ CM_REG_INT_STATUS, CM_REG_INT_HLDCLR, CM_REG_FUNCTRL0,
+};
+
+static unsigned char saved_mixers[] = {
+ SB_DSP4_MASTER_DEV, SB_DSP4_MASTER_DEV + 1,
+ SB_DSP4_PCM_DEV, SB_DSP4_PCM_DEV + 1,
+ SB_DSP4_SYNTH_DEV, SB_DSP4_SYNTH_DEV + 1,
+ SB_DSP4_CD_DEV, SB_DSP4_CD_DEV + 1,
+ SB_DSP4_LINE_DEV, SB_DSP4_LINE_DEV + 1,
+ SB_DSP4_MIC_DEV, SB_DSP4_SPEAKER_DEV,
+ CM_REG_EXTENT_IND, SB_DSP4_OUTPUT_SW,
+ SB_DSP4_INPUT_LEFT, SB_DSP4_INPUT_RIGHT,
+};
+
+static int snd_cmipci_suspend(struct pci_dev *pci, pm_message_t state)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct cmipci *cm = card->private_data;
+ int i;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+
+ snd_pcm_suspend_all(cm->pcm);
+ snd_pcm_suspend_all(cm->pcm2);
+ snd_pcm_suspend_all(cm->pcm_spdif);
+
+ /* save registers */
+ for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
+ cm->saved_regs[i] = snd_cmipci_read(cm, saved_regs[i]);
+ for (i = 0; i < ARRAY_SIZE(saved_mixers); i++)
+ cm->saved_mixers[i] = snd_cmipci_mixer_read(cm, saved_mixers[i]);
+
+ /* disable ints */
+ snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0);
+
+ pci_set_power_state(pci, PCI_D3hot);
+ pci_disable_device(pci);
+ pci_save_state(pci);
+ return 0;
+}
+
+static int snd_cmipci_resume(struct pci_dev *pci)
+{
+ struct snd_card *card = pci_get_drvdata(pci);
+ struct cmipci *cm = card->private_data;
+ int i;
+
+ pci_restore_state(pci);
+ pci_enable_device(pci);
+ pci_set_power_state(pci, PCI_D0);
+ pci_set_master(pci);
+
+ /* reset / initialize to a sane state */
+ snd_cmipci_write(cm, CM_REG_INT_HLDCLR, 0);
+ snd_cmipci_ch_reset(cm, CM_CH_PLAY);
+ snd_cmipci_ch_reset(cm, CM_CH_CAPT);
+ snd_cmipci_mixer_write(cm, 0, 0);
+
+ /* restore registers */
+ for (i = 0; i < ARRAY_SIZE(saved_regs); i++)
+ snd_cmipci_write(cm, saved_regs[i], cm->saved_regs[i]);
+ for (i = 0; i < ARRAY_SIZE(saved_mixers); i++)
+ snd_cmipci_mixer_write(cm, saved_mixers[i], cm->saved_mixers[i]);
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif /* CONFIG_PM */
+
static struct pci_driver driver = {
.name = "C-Media PCI",
.id_table = snd_cmipci_ids,
.probe = snd_cmipci_probe,
.remove = __devexit_p(snd_cmipci_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_cmipci_suspend,
+ .resume = snd_cmipci_resume,
+#endif
};
static int __init alsa_card_cmipci_init(void)
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