From 5e12bea0833e47117c31f13b528e31dc8112de57 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 17 Nov 2005 17:17:08 +0100 Subject: [ALSA] powermac - Use platform_device Modules: PPC,PPC PMAC driver,PPC PowerMac driver Rewrite the probe/remove with platform_device. Move the PM support to platform_device's callbacks. Signed-off-by: Takashi Iwai --- sound/ppc/pmac.c | 79 +++++--------------------------------------------------- 1 file changed, 6 insertions(+), 73 deletions(-) (limited to 'sound/ppc/pmac.c') diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 222765fd0dc..4f0a4204516 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -36,14 +36,6 @@ #include -#ifdef CONFIG_PM -static int snd_pmac_register_sleep_notifier(struct snd_pmac *chip); -static int snd_pmac_unregister_sleep_notifier(struct snd_pmac *chip); -static int snd_pmac_suspend(struct snd_card *card, pm_message_t state); -static int snd_pmac_resume(struct snd_card *card); -#endif - - /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ static int awacs_freqs[8] = { 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 @@ -784,9 +776,6 @@ static int snd_pmac_free(struct snd_pmac *chip) } snd_pmac_sound_feature(chip, 0); -#ifdef CONFIG_PM - snd_pmac_unregister_sleep_notifier(chip); -#endif /* clean up mixer if any */ if (chip->mixer_free) @@ -1298,12 +1287,6 @@ int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) /* Reset dbdma channels */ snd_pmac_dbdma_reset(chip); -#ifdef CONFIG_PM - /* add sleep notifier */ - if (! snd_pmac_register_sleep_notifier(chip)) - snd_card_set_pm_callback(chip->card, snd_pmac_suspend, snd_pmac_resume, chip); -#endif - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) goto __error; @@ -1328,11 +1311,11 @@ int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) * Save state when going to sleep, restore it afterwards. */ -static int snd_pmac_suspend(struct snd_card *card, pm_message_t state) +void snd_pmac_suspend(struct snd_pmac *chip) { - struct snd_pmac *chip = card->pm_private_data; unsigned long flags; + snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); if (chip->suspend) chip->suspend(chip); snd_pcm_suspend_all(chip->pcm); @@ -1346,22 +1329,18 @@ static int snd_pmac_suspend(struct snd_card *card, pm_message_t state) if (chip->rx_irq >= 0) disable_irq(chip->rx_irq); snd_pmac_sound_feature(chip, 0); - return 0; } -static int snd_pmac_resume(struct snd_card *card) +void snd_pmac_resume(struct snd_pmac *chip) { - struct snd_pmac *chip = card->pm_private_data; - snd_pmac_sound_feature(chip, 1); if (chip->resume) chip->resume(chip); /* enable CD sound input */ - if (chip->macio_base && chip->is_pbook_G3) { + if (chip->macio_base && chip->is_pbook_G3) out_8(chip->macio_base + 0x37, 3); - } else if (chip->is_pbook_3400) { + else if (chip->is_pbook_3400) in_8(chip->latch_base + 0x190); - } snd_pmac_pcm_set_format(chip); @@ -1372,53 +1351,7 @@ static int snd_pmac_resume(struct snd_card *card) if (chip->rx_irq >= 0) enable_irq(chip->rx_irq); - return 0; -} - -/* the chip is stored statically by snd_pmac_register_sleep_notifier - * because we can't have any private data for notify callback. - */ -static struct snd_pmac *sleeping_pmac = NULL; - -static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when) -{ - struct snd_pmac *chip; - - chip = sleeping_pmac; - if (! chip) - return 0; - - switch (when) { - case PBOOK_SLEEP_NOW: - snd_pmac_suspend(chip->card, PMSG_SUSPEND); - break; - case PBOOK_WAKE: - snd_pmac_resume(chip->card); - break; - } - return PBOOK_SLEEP_OK; -} - -static struct pmu_sleep_notifier snd_pmac_sleep_notifier = { - snd_pmac_sleep_notify, SLEEP_LEVEL_SOUND, -}; - -static int __init snd_pmac_register_sleep_notifier(struct snd_pmac *chip) -{ - /* should be protected here.. */ - snd_assert(! sleeping_pmac, return -EBUSY); - sleeping_pmac = chip; - pmu_register_sleep_notifier(&snd_pmac_sleep_notifier); - return 0; -} - -static int snd_pmac_unregister_sleep_notifier(struct snd_pmac *chip) -{ - /* should be protected here.. */ - snd_assert(sleeping_pmac == chip, return -ENODEV); - pmu_unregister_sleep_notifier(&snd_pmac_sleep_notifier); - sleeping_pmac = NULL; - return 0; + snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); } #endif /* CONFIG_PM */ -- cgit v1.2.3