#include <sound/driver.h>
#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
#include <linux/time.h>
#include <linux/wait.h>
#include <linux/moduleparam.h>
#include <sound/ad1848.h>
#include <sound/initval.h>
-#define chip_t ad1848_t
-
MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("AD1848/AD1847/CS4248");
MODULE_LICENSE("GPL");
-MODULE_CLASSES("{sound}");
-MODULE_DEVICES("{{Analog Devices,AD1848},"
+MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
"{Analog Devices,AD1847},"
"{Crystal Semiconductors,CS4248}}");
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */
static int thinkpad[SNDRV_CARDS]; /* Thinkpad special case */
-static int boot_devs;
-module_param_array(index, int, boot_devs, 0444);
+module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for AD1848 soundcard.");
-MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
-module_param_array(id, charp, boot_devs, 0444);
+module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for AD1848 soundcard.");
-MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
-module_param_array(enable, bool, boot_devs, 0444);
+module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable AD1848 soundcard.");
-MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
-module_param_array(port, long, boot_devs, 0444);
+module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for AD1848 driver.");
-MODULE_PARM_SYNTAX(port, SNDRV_PORT12_DESC);
-module_param_array(irq, int, boot_devs, 0444);
+module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for AD1848 driver.");
-MODULE_PARM_SYNTAX(irq, SNDRV_IRQ_DESC);
-module_param_array(dma1, int, boot_devs, 0444);
+module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "DMA1 # for AD1848 driver.");
-MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC);
-module_param_array(thinkpad, bool, boot_devs, 0444);
+module_param_array(thinkpad, bool, NULL, 0444);
MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
-MODULE_PARM_SYNTAX(thinkpad, SNDRV_ENABLED "," SNDRV_BOOLEAN_FALSE_DESC);
-static snd_card_t *snd_ad1848_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
+static struct platform_device *devices[SNDRV_CARDS];
-static int __init snd_card_ad1848_probe(int dev)
+static int __init snd_ad1848_probe(struct platform_device *pdev)
{
- snd_card_t *card;
- ad1848_t *chip;
- snd_pcm_t *pcm;
+ int dev = pdev->id;
+ struct snd_card *card;
+ struct snd_ad1848 *chip;
+ struct snd_pcm *pcm;
int err;
if (port[dev] == SNDRV_AUTO_PORT) {
irq[dev],
dma1[dev],
thinkpad[dev] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT,
- &chip)) < 0) {
- snd_card_free(card);
- return err;
- }
+ &chip)) < 0)
+ goto _err;
+ card->private_data = chip;
+
+ if ((err = snd_ad1848_pcm(chip, 0, &pcm)) < 0)
+ goto _err;
+
+ if ((err = snd_ad1848_mixer(chip)) < 0)
+ goto _err;
- if ((err = snd_ad1848_pcm(chip, 0, &pcm)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_ad1848_mixer(chip)) < 0) {
- snd_card_free(card);
- return err;
- }
strcpy(card->driver, "AD1848");
strcpy(card->shortname, pcm->name);
sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
pcm->name, chip->port, irq[dev], dma1[dev]);
- if (thinkpad[dev]) {
+ if (thinkpad[dev])
strcat(card->longname, " [Thinkpad]");
- }
- if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
- return err;
- }
- snd_ad1848_cards[dev] = card;
+ snd_card_set_dev(card, &pdev->dev);
+
+ if ((err = snd_card_register(card)) < 0)
+ goto _err;
+
+ platform_set_drvdata(pdev, card);
+ return 0;
+
+ _err:
+ snd_card_free(card);
+ return err;
+}
+
+static int __devexit snd_ad1848_remove(struct platform_device *devptr)
+{
+ snd_card_free(platform_get_drvdata(devptr));
+ platform_set_drvdata(devptr, NULL);
return 0;
}
+#ifdef CONFIG_PM
+static int snd_ad1848_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct snd_card *card = platform_get_drvdata(pdev);
+ struct snd_ad1848 *chip = card->private_data;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+ chip->suspend(chip);
+ return 0;
+}
+
+static int snd_ad1848_resume(struct platform_device *pdev)
+{
+ struct snd_card *card = platform_get_drvdata(pdev);
+ struct snd_ad1848 *chip = card->private_data;
+
+ chip->resume(chip);
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
+#define SND_AD1848_DRIVER "snd_ad1848"
+
+static struct platform_driver snd_ad1848_driver = {
+ .probe = snd_ad1848_probe,
+ .remove = __devexit_p(snd_ad1848_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_ad1848_suspend,
+ .resume = snd_ad1848_resume,
+#endif
+ .driver = {
+ .name = SND_AD1848_DRIVER
+ },
+};
+
+static void __init_or_module snd_ad1848_unregister_all(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(devices); ++i)
+ platform_device_unregister(devices[i]);
+ platform_driver_unregister(&snd_ad1848_driver);
+}
+
static int __init alsa_card_ad1848_init(void)
{
- int dev, cards;
+ int i, cards, err;
- for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++)
- if (snd_card_ad1848_probe(dev) >= 0)
- cards++;
+ err = platform_driver_register(&snd_ad1848_driver);
+ if (err < 0)
+ return err;
+ cards = 0;
+ for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ struct platform_device *device;
+ device = platform_device_register_simple(SND_AD1848_DRIVER,
+ i, NULL, 0);
+ if (IS_ERR(device)) {
+ err = PTR_ERR(device);
+ goto errout;
+ }
+ devices[i] = device;
+ cards++;
+ }
if (!cards) {
#ifdef MODULE
printk(KERN_ERR "AD1848 soundcard not found or device busy\n");
#endif
- return -ENODEV;
+ err = -ENODEV;
+ goto errout;
}
return 0;
+
+ errout:
+ snd_ad1848_unregister_all();
+ return err;
}
static void __exit alsa_card_ad1848_exit(void)
{
- int idx;
-
- for (idx = 0; idx < SNDRV_CARDS; idx++)
- snd_card_free(snd_ad1848_cards[idx]);
+ snd_ad1848_unregister_all();
}
module_init(alsa_card_ad1848_init)