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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/drivers/pcsp/pcsp.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/sound/drivers/pcsp/pcsp.c')
-rw-r--r--ANDROID_3.4.5/sound/drivers/pcsp/pcsp.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/ANDROID_3.4.5/sound/drivers/pcsp/pcsp.c b/ANDROID_3.4.5/sound/drivers/pcsp/pcsp.c
deleted file mode 100644
index 99704e6a..00000000
--- a/ANDROID_3.4.5/sound/drivers/pcsp/pcsp.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * PC-Speaker driver for Linux
- *
- * Copyright (C) 1997-2001 David Woodhouse
- * Copyright (C) 2001-2008 Stas Sergeev
- */
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <sound/core.h>
-#include <sound/initval.h>
-#include <sound/pcm.h>
-#include <linux/input.h>
-#include <linux/delay.h>
-#include <asm/bitops.h>
-#include "pcsp_input.h"
-#include "pcsp.h"
-
-MODULE_AUTHOR("Stas Sergeev <stsp@users.sourceforge.net>");
-MODULE_DESCRIPTION("PC-Speaker driver");
-MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{PC-Speaker, pcsp}}");
-MODULE_ALIAS("platform:pcspkr");
-
-static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
-static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
-static bool enable = SNDRV_DEFAULT_ENABLE1; /* Enable this card */
-static bool nopcm; /* Disable PCM capability of the driver */
-
-module_param(index, int, 0444);
-MODULE_PARM_DESC(index, "Index value for pcsp soundcard.");
-module_param(id, charp, 0444);
-MODULE_PARM_DESC(id, "ID string for pcsp soundcard.");
-module_param(enable, bool, 0444);
-MODULE_PARM_DESC(enable, "Enable PC-Speaker sound.");
-module_param(nopcm, bool, 0444);
-MODULE_PARM_DESC(nopcm, "Disable PC-Speaker PCM sound. Only beeps remain.");
-
-struct snd_pcsp pcsp_chip;
-
-static int __devinit snd_pcsp_create(struct snd_card *card)
-{
- static struct snd_device_ops ops = { };
- struct timespec tp;
- int err;
- int div, min_div, order;
-
- if (!nopcm) {
- hrtimer_get_res(CLOCK_MONOTONIC, &tp);
- if (tp.tv_sec || tp.tv_nsec > PCSP_MAX_PERIOD_NS) {
- printk(KERN_ERR "PCSP: Timer resolution is not sufficient "
- "(%linS)\n", tp.tv_nsec);
- printk(KERN_ERR "PCSP: Make sure you have HPET and ACPI "
- "enabled.\n");
- printk(KERN_ERR "PCSP: Turned into nopcm mode.\n");
- nopcm = 1;
- }
- }
-
- if (loops_per_jiffy >= PCSP_MIN_LPJ && tp.tv_nsec <= PCSP_MIN_PERIOD_NS)
- min_div = MIN_DIV;
- else
- min_div = MAX_DIV;
-#if PCSP_DEBUG
- printk(KERN_DEBUG "PCSP: lpj=%li, min_div=%i, res=%li\n",
- loops_per_jiffy, min_div, tp.tv_nsec);
-#endif
-
- div = MAX_DIV / min_div;
- order = fls(div) - 1;
-
- pcsp_chip.max_treble = min(order, PCSP_MAX_TREBLE);
- pcsp_chip.treble = min(pcsp_chip.max_treble, PCSP_DEFAULT_TREBLE);
- pcsp_chip.playback_ptr = 0;
- pcsp_chip.period_ptr = 0;
- atomic_set(&pcsp_chip.timer_active, 0);
- pcsp_chip.enable = 1;
- pcsp_chip.pcspkr = 1;
-
- spin_lock_init(&pcsp_chip.substream_lock);
-
- pcsp_chip.card = card;
- pcsp_chip.port = 0x61;
- pcsp_chip.irq = -1;
- pcsp_chip.dma = -1;
-
- /* Register device */
- err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, &pcsp_chip, &ops);
- if (err < 0)
- return err;
-
- return 0;
-}
-
-static int __devinit snd_card_pcsp_probe(int devnum, struct device *dev)
-{
- struct snd_card *card;
- int err;
-
- if (devnum != 0)
- return -EINVAL;
-
- hrtimer_init(&pcsp_chip.timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
- pcsp_chip.timer.function = pcsp_do_timer;
-
- err = snd_card_create(index, id, THIS_MODULE, 0, &card);
- if (err < 0)
- return err;
-
- err = snd_pcsp_create(card);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
- if (!nopcm) {
- err = snd_pcsp_new_pcm(&pcsp_chip);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
- }
- err = snd_pcsp_new_mixer(&pcsp_chip, nopcm);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
-
- snd_card_set_dev(pcsp_chip.card, dev);
-
- strcpy(card->driver, "PC-Speaker");
- strcpy(card->shortname, "pcsp");
- sprintf(card->longname, "Internal PC-Speaker at port 0x%x",
- pcsp_chip.port);
-
- err = snd_card_register(card);
- if (err < 0) {
- snd_card_free(card);
- return err;
- }
-
- return 0;
-}
-
-static int __devinit alsa_card_pcsp_init(struct device *dev)
-{
- int err;
-
- err = snd_card_pcsp_probe(0, dev);
- if (err) {
- printk(KERN_ERR "PC-Speaker initialization failed.\n");
- return err;
- }
-
-#ifdef CONFIG_DEBUG_PAGEALLOC
- /* Well, CONFIG_DEBUG_PAGEALLOC makes the sound horrible. Lets alert */
- printk(KERN_WARNING "PCSP: CONFIG_DEBUG_PAGEALLOC is enabled, "
- "which may make the sound noisy.\n");
-#endif
-
- return 0;
-}
-
-static void __devexit alsa_card_pcsp_exit(struct snd_pcsp *chip)
-{
- snd_card_free(chip->card);
-}
-
-static int __devinit pcsp_probe(struct platform_device *dev)
-{
- int err;
-
- err = pcspkr_input_init(&pcsp_chip.input_dev, &dev->dev);
- if (err < 0)
- return err;
-
- err = alsa_card_pcsp_init(&dev->dev);
- if (err < 0) {
- pcspkr_input_remove(pcsp_chip.input_dev);
- return err;
- }
-
- platform_set_drvdata(dev, &pcsp_chip);
- return 0;
-}
-
-static int __devexit pcsp_remove(struct platform_device *dev)
-{
- struct snd_pcsp *chip = platform_get_drvdata(dev);
- alsa_card_pcsp_exit(chip);
- pcspkr_input_remove(chip->input_dev);
- platform_set_drvdata(dev, NULL);
- return 0;
-}
-
-static void pcsp_stop_beep(struct snd_pcsp *chip)
-{
- pcsp_sync_stop(chip);
- pcspkr_stop_sound();
-}
-
-#ifdef CONFIG_PM
-static int pcsp_suspend(struct platform_device *dev, pm_message_t state)
-{
- struct snd_pcsp *chip = platform_get_drvdata(dev);
- pcsp_stop_beep(chip);
- snd_pcm_suspend_all(chip->pcm);
- return 0;
-}
-#else
-#define pcsp_suspend NULL
-#endif /* CONFIG_PM */
-
-static void pcsp_shutdown(struct platform_device *dev)
-{
- struct snd_pcsp *chip = platform_get_drvdata(dev);
- pcsp_stop_beep(chip);
-}
-
-static struct platform_driver pcsp_platform_driver = {
- .driver = {
- .name = "pcspkr",
- .owner = THIS_MODULE,
- },
- .probe = pcsp_probe,
- .remove = __devexit_p(pcsp_remove),
- .suspend = pcsp_suspend,
- .shutdown = pcsp_shutdown,
-};
-
-static int __init pcsp_init(void)
-{
- if (!enable)
- return -ENODEV;
- return platform_driver_register(&pcsp_platform_driver);
-}
-
-static void __exit pcsp_exit(void)
-{
- platform_driver_unregister(&pcsp_platform_driver);
-}
-
-module_init(pcsp_init);
-module_exit(pcsp_exit);