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Commit cb60e5f5 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] cmipci - Add PM support 



Modules: CMIPCI driver

Add PM support to CMIPCI driver.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent b1e9ed26

sound/pci/cmipci.c

+98 −6
Original line number Diff line number Diff line
@@ -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)