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From: Rene Herman <rene.herman@gmail.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: ALSA devel <alsa-devel@lists.sourceforge.net>
Subject: isa_bus: ad1848
Date: Wed, 14 Feb 2007 08:19:28 +0100	[thread overview]
Message-ID: <45D2B800.7060104@gmail.com> (raw)

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Good day.

ad1848: port to isa_bus infrastructure

Signed-off-by: Rene Herman <rene.herman@gmail.com>

Rene.


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diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c
index 99908e4..d09a7fa 100644
--- a/sound/isa/ad1848/ad1848.c
+++ b/sound/isa/ad1848/ad1848.c
@@ -24,7 +24,7 @@
 #include <sound/driver.h>
 #include <linux/init.h>
 #include <linux/err.h>
-#include <linux/platform_device.h>
+#include <linux/isa.h>
 #include <linux/time.h>
 #include <linux/wait.h>
 #include <linux/moduleparam.h>
@@ -32,8 +32,11 @@ #include <sound/core.h>
 #include <sound/ad1848.h>
 #include <sound/initval.h>
 
+#define CRD_NAME "Generic AD1848/AD1847/CS4248"
+#define DEV_NAME "ad1848"
+
+MODULE_DESCRIPTION(CRD_NAME);
 MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@suse.cz>");
-MODULE_DESCRIPTION("AD1848/AD1847/CS4248");
 MODULE_LICENSE("GPL");
 MODULE_SUPPORTED_DEVICE("{{Analog Devices,AD1848},"
 	        "{Analog Devices,AD1847},"
@@ -48,95 +51,98 @@ static int dma1[SNDRV_CARDS] = SNDRV_DEF
 static int thinkpad[SNDRV_CARDS];			/* Thinkpad special case */
 
 module_param_array(index, int, NULL, 0444);
-MODULE_PARM_DESC(index, "Index value for AD1848 soundcard.");
+MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
 module_param_array(id, charp, NULL, 0444);
-MODULE_PARM_DESC(id, "ID string for AD1848 soundcard.");
+MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
 module_param_array(enable, bool, NULL, 0444);
-MODULE_PARM_DESC(enable, "Enable AD1848 soundcard.");
+MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
 module_param_array(port, long, NULL, 0444);
-MODULE_PARM_DESC(port, "Port # for AD1848 driver.");
+MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
 module_param_array(irq, int, NULL, 0444);
-MODULE_PARM_DESC(irq, "IRQ # for AD1848 driver.");
+MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
 module_param_array(dma1, int, NULL, 0444);
-MODULE_PARM_DESC(dma1, "DMA1 # for AD1848 driver.");
+MODULE_PARM_DESC(dma1, "DMA1 # for " CRD_NAME " driver.");
 module_param_array(thinkpad, bool, NULL, 0444);
 MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
 
-static struct platform_device *devices[SNDRV_CARDS];
+static int __devinit snd_ad1848_match(struct device *dev, unsigned int n)
+{
+	if (!enable[n])
+		return 0;
 
+	if (port[n] == SNDRV_AUTO_PORT) {
+		snd_printk(KERN_ERR "%s: please specify port\n", dev->bus_id);
+		return 0;
+	}
+	if (irq[n] == SNDRV_AUTO_IRQ) {
+		snd_printk(KERN_ERR "%s: please specify irq\n", dev->bus_id);
+		return 0;	
+	}
+	if (dma1[n] == SNDRV_AUTO_DMA) {
+		snd_printk(KERN_ERR "%s: please specify dma1\n", dev->bus_id);
+		return 0;
+	}
+	return 1;
+}
 
-static int __init snd_ad1848_probe(struct platform_device *pdev)
+static int __devinit snd_ad1848_probe(struct device *dev, unsigned int n)
 {
-	int dev = pdev->id;
 	struct snd_card *card;
 	struct snd_ad1848 *chip;
 	struct snd_pcm *pcm;
-	int err;
+	int error;
 
-	if (port[dev] == SNDRV_AUTO_PORT) {
-		snd_printk(KERN_ERR "ad1848: specify port\n");
+	card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
+	if (!card)
 		return -EINVAL;
-	}
-	if (irq[dev] == SNDRV_AUTO_IRQ) {
-		snd_printk(KERN_ERR "ad1848: specify irq\n");
-		return -EINVAL;
-	}
-	if (dma1[dev] == SNDRV_AUTO_DMA) {
-		snd_printk(KERN_ERR "ad1848: specify dma1\n");
-		return -EINVAL;
-	}
 
-	card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
-	if (card == NULL)
-		return -ENOMEM;
+	error = snd_ad1848_create(card, port[n], irq[n], dma1[n],
+			thinkpad[n] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT, &chip);
+	if (error < 0)
+		goto out;
 
-	if ((err = snd_ad1848_create(card, port[dev],
-				     irq[dev],
-				     dma1[dev],
-				     thinkpad[dev] ? AD1848_HW_THINKPAD : AD1848_HW_DETECT,
-				     &chip)) < 0)
-		goto _err;
 	card->private_data = chip;
 
-	if ((err = snd_ad1848_pcm(chip, 0, &pcm)) < 0)
-		goto _err;
+	error = snd_ad1848_pcm(chip, 0, &pcm);
+	if (error < 0)
+		goto out;
 
-	if ((err = snd_ad1848_mixer(chip)) < 0)
-		goto _err;
+	error = snd_ad1848_mixer(chip);
+	if (error < 0)
+		goto out;
 
 	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])
+		pcm->name, chip->port, irq[n], dma1[n]);
+	if (thinkpad[n])
 		strcat(card->longname, " [Thinkpad]");
 
-	snd_card_set_dev(card, &pdev->dev);
+	snd_card_set_dev(card, dev);
 
-	if ((err = snd_card_register(card)) < 0)
-		goto _err;
+	error = snd_card_register(card);
+	if (error < 0)
+		goto out;
 
-	platform_set_drvdata(pdev, card);
+	dev_set_drvdata(dev, card);
 	return 0;
 
- _err:
-	snd_card_free(card);
-	return err;
+out:	snd_card_free(card);
+	return error;
 }
 
-static int __devexit snd_ad1848_remove(struct platform_device *devptr)
+static int __devexit snd_ad1848_remove(struct device *dev, unsigned int n)
 {
-	snd_card_free(platform_get_drvdata(devptr));
-	platform_set_drvdata(devptr, NULL);
+	snd_card_free(dev_get_drvdata(dev));
+	dev_set_drvdata(dev, NULL);
 	return 0;
 }
 
 #ifdef CONFIG_PM
-static int snd_ad1848_suspend(struct platform_device *pdev, pm_message_t state)
+static int snd_ad1848_suspend(struct device *dev, unsigned int n, pm_message_t state)
 {
-	struct snd_card *card = platform_get_drvdata(pdev);
+	struct snd_card *card = dev_get_drvdata(dev);
 	struct snd_ad1848 *chip = card->private_data;
 
 	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
@@ -144,9 +150,9 @@ static int snd_ad1848_suspend(struct pla
 	return 0;
 }
 
-static int snd_ad1848_resume(struct platform_device *pdev)
+static int snd_ad1848_resume(struct device *dev, unsigned int n)
 {
-	struct snd_card *card = platform_get_drvdata(pdev);
+	struct snd_card *card = dev_get_drvdata(dev);
 	struct snd_ad1848 *chip = card->private_data;
 
 	chip->resume(chip);
@@ -155,9 +161,8 @@ static int snd_ad1848_resume(struct plat
 }
 #endif
 
-#define SND_AD1848_DRIVER	"snd_ad1848"
-
-static struct platform_driver snd_ad1848_driver = {
+static struct isa_driver snd_ad1848_driver = {
+	.match		= snd_ad1848_match,
 	.probe		= snd_ad1848_probe,
 	.remove		= __devexit_p(snd_ad1848_remove),
 #ifdef CONFIG_PM
@@ -165,57 +170,19 @@ #ifdef CONFIG_PM
 	.resume		= snd_ad1848_resume,
 #endif
 	.driver		= {
-		.name	= SND_AD1848_DRIVER
-	},
+		.name	= DEV_NAME
+	}
 };
 
-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 i, cards, err;
-
-	err = platform_driver_register(&snd_ad1848_driver);
-	if (err < 0)
-		return err;
-
-	cards = 0;
-	for (i = 0; i < SNDRV_CARDS; i++) {
-		struct platform_device *device;
-		if (! enable[i])
-			continue;
-		device = platform_device_register_simple(SND_AD1848_DRIVER,
-							 i, NULL, 0);
-		if (IS_ERR(device))
-			continue;
-		if (!platform_get_drvdata(device)) {
-			platform_device_unregister(device);
-			continue;
-		}
-		devices[i] = device;
-		cards++;
-	}
-	if (!cards) {
-#ifdef MODULE
-		printk(KERN_ERR "AD1848 soundcard not found or device busy\n");
-#endif
-		snd_ad1848_unregister_all();
-		return -ENODEV;
-	}
-	return 0;
+	return isa_register_driver(&snd_ad1848_driver, SNDRV_CARDS);
 }
 
 static void __exit alsa_card_ad1848_exit(void)
 {
-	snd_ad1848_unregister_all();
+	isa_unregister_driver(&snd_ad1848_driver);
 }
 
-module_init(alsa_card_ad1848_init)
-module_exit(alsa_card_ad1848_exit)
+module_init(alsa_card_ad1848_init);
+module_exit(alsa_card_ad1848_exit);

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             reply	other threads:[~2007-02-14  7:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-14  7:19 Rene Herman [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-02-13  6:11 isa_bus: ad1848 Rene Herman
2007-02-12  2:52 Rene Herman
2007-02-12 11:54 ` Takashi Iwai

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