From patchwork Sun Mar 30 21:37:30 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 3910241 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 06ED4BF540 for ; Sun, 30 Mar 2014 21:38:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2275B2034A for ; Sun, 30 Mar 2014 21:38:22 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id D8D50202DD for ; Sun, 30 Mar 2014 21:38:20 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 7551726558E; Sun, 30 Mar 2014 23:38:14 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id 3153B2650BA; Sun, 30 Mar 2014 23:38:04 +0200 (CEST) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 18C652650D4; Sun, 30 Mar 2014 23:38:00 +0200 (CEST) Received: from mail-1.atlantis.sk (mail-1.atlantis.sk [80.94.52.57]) by alsa0.perex.cz (Postfix) with ESMTP id 1519026508D for ; Sun, 30 Mar 2014 23:37:52 +0200 (CEST) Received: (qmail 12778 invoked from network); 30 Mar 2014 21:37:51 -0000 Received: from unknown (HELO test.home) (linux@rainbow-software.org@188.167.69.119) by mail-1.atlantis.sk with ESMTPA; 30 Mar 2014 21:37:51 -0000 From: Ondrej Zary To: alsa-devel@alsa-project.org Date: Sun, 30 Mar 2014 23:37:30 +0200 Message-Id: <1396215451-24128-1-git-send-email-linux@rainbow-software.org> X-Mailer: git-send-email 1.7.10.4 Subject: [alsa-devel] [PATCH 1/2] snd-ice1712: add suspend support for ICE1712 chip X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Add suspend/resume support for ICE1712 chip. Card-specific subdrivers need to enable it and provide callbacks that suspend/resume the codecs. Signed-off-by: Ondrej Zary --- sound/pci/ice1712/ice1712.c | 85 +++++++++++++++++++++++++++++++++++++++---- 1 file changed, 77 insertions(+), 8 deletions(-) diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c index 28ec872..dbb0f96 100644 --- a/sound/pci/ice1712/ice1712.c +++ b/sound/pci/ice1712/ice1712.c @@ -2428,6 +2428,13 @@ static int snd_ice1712_chip_init(struct snd_ice1712 *ice) snd_ice1712_write(ice, ICE1712_IREG_CONSUMER_POWERDOWN, 0); } snd_ice1712_set_pro_rate(ice, 48000, 1); + /* unmask used interrupts */ + outb(((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_2xMPU401) == 0 ? + ICE1712_IRQ_MPU2 : 0) | + ((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97) ? + ICE1712_IRQ_PBKDS | ICE1712_IRQ_CONCAP | ICE1712_IRQ_CONPBK : 0), + ICEREG(ice, IRQMASK)); + outb(0x00, ICEMT(ice, IRQ)); return 0; } @@ -2589,6 +2596,7 @@ static int snd_ice1712_create(struct snd_card *card, ice->pci = pci; ice->irq = -1; pci_set_master(pci); + /* disable legacy emulation */ pci_write_config_word(ice->pci, 0x40, 0x807f); pci_write_config_word(ice->pci, 0x42, 0x0006); snd_ice1712_proc_init(ice); @@ -2625,14 +2633,6 @@ static int snd_ice1712_create(struct snd_card *card, return -EIO; } - /* unmask used interrupts */ - outb(((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_2xMPU401) == 0 ? - ICE1712_IRQ_MPU2 : 0) | - ((ice->eeprom.data[ICE_EEP1_CODEC] & ICE1712_CFG_NO_CON_AC97) ? - ICE1712_IRQ_PBKDS | ICE1712_IRQ_CONCAP | ICE1712_IRQ_CONPBK : 0), - ICEREG(ice, IRQMASK)); - outb(0x00, ICEMT(ice, IRQ)); - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, ice, &ops); if (err < 0) { snd_ice1712_free(ice); @@ -2809,11 +2809,80 @@ static void snd_ice1712_remove(struct pci_dev *pci) snd_card_free(card); } +#ifdef CONFIG_PM_SLEEP +static int snd_ice1712_suspend(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); + struct snd_ice1712 *ice = card->private_data; + + if (!ice->pm_suspend_enabled) + return 0; + + snd_power_change_state(card, SNDRV_CTL_POWER_D3hot); + + snd_pcm_suspend_all(ice->pcm); + snd_pcm_suspend_all(ice->pcm_pro); + snd_pcm_suspend_all(ice->pcm_ds); + snd_ac97_suspend(ice->ac97); + + if (ice->pm_suspend) + ice->pm_suspend(ice); + + pci_disable_device(pci); + pci_save_state(pci); + pci_set_power_state(pci, PCI_D3hot); + return 0; +} + +static int snd_ice1712_resume(struct device *dev) +{ + struct pci_dev *pci = to_pci_dev(dev); + struct snd_card *card = dev_get_drvdata(dev); + struct snd_ice1712 *ice = card->private_data; + + if (!ice->pm_suspend_enabled) + return 0; + + pci_set_power_state(pci, PCI_D0); + pci_restore_state(pci); + + if (pci_enable_device(pci) < 0) { + snd_card_disconnect(card); + return -EIO; + } + + pci_set_master(pci); + + if (snd_ice1712_chip_init(ice) < 0) { + snd_card_disconnect(card); + return -EIO; + } + + if (ice->pm_resume) + ice->pm_resume(ice); + + if (ice->ac97) + snd_ac97_resume(ice->ac97); + + snd_power_change_state(card, SNDRV_CTL_POWER_D0); + return 0; +} + +static SIMPLE_DEV_PM_OPS(snd_ice1712_pm, snd_ice1712_suspend, snd_ice1712_resume); +#define SND_VT1712_PM_OPS &snd_ice1712_pm +#else +#define SND_VT1712_PM_OPS NULL +#endif /* CONFIG_PM_SLEEP */ + static struct pci_driver ice1712_driver = { .name = KBUILD_MODNAME, .id_table = snd_ice1712_ids, .probe = snd_ice1712_probe, .remove = snd_ice1712_remove, + .driver = { + .pm = SND_VT1712_PM_OPS, + }, }; module_pci_driver(ice1712_driver);