From 09668b441dacdf4640509b640ad73e24efd5204f Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 17 Nov 2005 16:14:10 +0100 Subject: [ALSA] emu10k1 - Add PM support Modules: EMU10K1/EMU10K2 driver Add PM support to emu10k1 driver. Signed-off-by: Takashi Iwai --- sound/pci/emu10k1/emu10k1.c | 144 ++++++++++++++++++++++++++++---------------- 1 file changed, 91 insertions(+), 53 deletions(-) (limited to 'sound/pci/emu10k1/emu10k1.c') diff --git a/sound/pci/emu10k1/emu10k1.c b/sound/pci/emu10k1/emu10k1.c index 9be900224771..2dfa932f7825 100644 --- a/sound/pci/emu10k1/emu10k1.c +++ b/sound/pci/emu10k1/emu10k1.c @@ -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) -- cgit v1.2.3