*/
#include <sound/driver.h>
-#include <asm/dma.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 <asm/dma.h>
#include <sound/core.h>
#include <sound/es1688.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
-#define SNDRV_LEGACY_AUTO_PROBE
#define SNDRV_LEGACY_FIND_FREE_IRQ
#define SNDRV_LEGACY_FIND_FREE_DMA
#include <sound/initval.h>
module_param_array(dma8, int, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for ESx688 driver.");
-static snd_card_t *snd_audiodrive_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
+static struct platform_device *devices[SNDRV_CARDS];
+#define PFX "es1688: "
-static int __init snd_audiodrive_probe(int dev)
+static int __init snd_es1688_probe(struct platform_device *pdev)
{
+ int dev = pdev->id;
static int possible_irqs[] = {5, 9, 10, 7, -1};
static int possible_dmas[] = {1, 3, 0, -1};
int xirq, xdma, xmpu_irq;
- snd_card_t *card;
- es1688_t *chip;
- opl3_t *opl3;
- snd_pcm_t *pcm;
+ struct snd_card *card;
+ struct snd_es1688 *chip;
+ struct snd_opl3 *opl3;
+ struct snd_pcm *pcm;
int err;
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
xirq = irq[dev];
if (xirq == SNDRV_AUTO_IRQ) {
if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
- snd_card_free(card);
- snd_printk("unable to find a free IRQ\n");
- return -EBUSY;
+ snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+ err = -EBUSY;
+ goto _err;
}
}
xmpu_irq = mpu_irq[dev];
xdma = dma8[dev];
if (xdma == SNDRV_AUTO_DMA) {
if ((xdma = snd_legacy_find_free_dma(possible_dmas)) < 0) {
- snd_card_free(card);
- snd_printk("unable to find a free DMA\n");
- return -EBUSY;
+ snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
+ err = -EBUSY;
+ goto _err;
}
}
- if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
- xirq, xmpu_irq, xdma,
- ES1688_HW_AUTO, &chip)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0) {
- snd_card_free(card);
- return err;
- }
- if ((err = snd_es1688_mixer(chip)) < 0) {
- snd_card_free(card);
- return err;
+ if (port[dev] != SNDRV_AUTO_PORT) {
+ if ((err = snd_es1688_create(card, port[dev], mpu_port[dev],
+ xirq, xmpu_irq, xdma,
+ ES1688_HW_AUTO, &chip)) < 0)
+ goto _err;
+ } else {
+ /* auto-probe legacy ports */
+ static unsigned long possible_ports[] = {
+ 0x220, 0x240, 0x260,
+ };
+ int i;
+ for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+ err = snd_es1688_create(card, possible_ports[i],
+ mpu_port[dev],
+ xirq, xmpu_irq, xdma,
+ ES1688_HW_AUTO, &chip);
+ if (err >= 0) {
+ port[dev] = possible_ports[i];
+ break;
+ }
+ }
+ if (i >= ARRAY_SIZE(possible_ports))
+ goto _err;
}
+ if ((err = snd_es1688_pcm(chip, 0, &pcm)) < 0)
+ goto _err;
+
+ if ((err = snd_es1688_mixer(chip)) < 0)
+ goto _err;
+
strcpy(card->driver, "ES1688");
strcpy(card->shortname, pcm->name);
sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port, xirq, xdma);
if ((snd_opl3_create(card, chip->port, chip->port + 2, OPL3_HW_OPL3, 0, &opl3)) < 0) {
- printk(KERN_ERR "es1688: opl3 not detected at 0x%lx\n", chip->port);
+ printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->port);
} else {
- if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
+ if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
+ goto _err;
}
if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) {
chip->mpu_port, 0,
xmpu_irq,
SA_INTERRUPT,
- NULL)) < 0) {
- snd_card_free(card);
- return err;
- }
+ NULL)) < 0)
+ goto _err;
}
- if ((err = snd_card_register(card)) < 0) {
- snd_card_free(card);
- return err;
- }
- snd_audiodrive_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 __init snd_audiodrive_legacy_auto_probe(unsigned long xport)
+static int snd_es1688_remove(struct platform_device *devptr)
{
- static int dev;
- int res;
-
- for ( ; dev < SNDRV_CARDS; dev++) {
- if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
- continue;
- port[dev] = xport;
- res = snd_audiodrive_probe(dev);
- if (res < 0)
- port[dev] = SNDRV_AUTO_PORT;
- return res;
- }
- return -ENODEV;
+ snd_card_free(platform_get_drvdata(devptr));
+ platform_set_drvdata(devptr, NULL);
+ return 0;
+}
+
+#define ES1688_DRIVER "snd_es1688"
+
+static struct platform_driver snd_es1688_driver = {
+ .probe = snd_es1688_probe,
+ .remove = snd_es1688_remove,
+ /* FIXME: suspend/resume */
+ .driver = {
+ .name = ES1688_DRIVER
+ },
+};
+
+static void __init_or_module snd_es1688_unregister_all(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(devices); ++i)
+ platform_device_unregister(devices[i]);
+ platform_driver_unregister(&snd_es1688_driver);
}
static int __init alsa_card_es1688_init(void)
{
- static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};
- int dev, cards = 0, i;
+ int i, cards, err;
+
+ err = platform_driver_register(&snd_es1688_driver);
+ if (err < 0)
+ return err;
- for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
- if (port[dev] == SNDRV_AUTO_PORT)
+ cards = 0;
+ for (i = 0; i < SNDRV_CARDS; i++) {
+ struct platform_device *device;
+ if (! enable[i])
+ continue;
+ device = platform_device_register_simple(ES1688_DRIVER,
+ i, NULL, 0);
+ if (IS_ERR(device))
continue;
- if (snd_audiodrive_probe(dev) >= 0)
- cards++;
+ if (!platform_get_drvdata(device)) {
+ platform_device_unregister(device);
+ continue;
+ }
+ devices[i] = device;
+ cards++;
}
- i = snd_legacy_auto_probe(possible_ports, snd_audiodrive_legacy_auto_probe);
- if (i > 0)
- cards += i;
-
if (!cards) {
#ifdef MODULE
printk(KERN_ERR "ESS AudioDrive ES1688 soundcard not found or device busy\n");
#endif
+ snd_es1688_unregister_all();
return -ENODEV;
}
return 0;
static void __exit alsa_card_es1688_exit(void)
{
- int idx;
-
- for (idx = 0; idx < SNDRV_CARDS; idx++)
- snd_card_free(snd_audiodrive_cards[idx]);
+ snd_es1688_unregister_all();
}
module_init(alsa_card_es1688_init)
git://git.onelab.eu / linux-2.6.git / blobdiff