[ALSA] es18xx - Use platform_device
Modules: ES18xx driver
Rewrite the probe/remove with platform_device.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index 06c0e77..34d4713 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -65,21 +65,21 @@
#include <sound/driver.h>
-#include <asm/io.h>
-#include <asm/dma.h>
#include <linux/init.h>
-#include <linux/pm.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/pnp.h>
#include <linux/isapnp.h>
#include <linux/moduleparam.h>
+#include <asm/io.h>
+#include <asm/dma.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/pcm_params.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>
@@ -128,6 +128,14 @@
#endif
};
+struct snd_audiodrive {
+ struct snd_es18xx *chip;
+#ifdef CONFIG_PNP
+ struct pnp_dev *dev;
+ struct pnp_dev *devc;
+#endif
+};
+
#define AUDIO1_IRQ 0x01
#define AUDIO2_IRQ 0x02
#define HWV_IRQ 0x04
@@ -1573,11 +1581,10 @@
if (rpcm)
*rpcm = NULL;
sprintf(str, "ES%x", chip->version);
- if (chip->caps & ES18XX_PCM2) {
+ if (chip->caps & ES18XX_PCM2)
err = snd_pcm_new(chip->card, str, device, 2, 1, &pcm);
- } else {
+ else
err = snd_pcm_new(chip->card, str, device, 1, 1, &pcm);
- }
if (err < 0)
return err;
@@ -1608,7 +1615,10 @@
#ifdef CONFIG_PM
static int snd_es18xx_suspend(struct snd_card *card, pm_message_t state)
{
- struct snd_es18xx *chip = card->pm_private_data;
+ struct snd_audiodrive *acard = card->private_data;
+ struct snd_es18xx *chip = acard->chip;
+
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);
snd_pcm_suspend_all(chip->pcm);
@@ -1623,11 +1633,13 @@
static int snd_es18xx_resume(struct snd_card *card)
{
- struct snd_es18xx *chip = card->pm_private_data;
+ struct snd_audiodrive *acard = card->private_data;
+ struct snd_es18xx *chip = acard->chip;
/* restore PM register, we won't wake till (not 0x07) i/o activity though */
snd_es18xx_write(chip, ES18XX_PM, chip->pm_reg ^= ES18XX_PM_FM);
+ snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0);
return 0;
}
#endif /* CONFIG_PM */
@@ -1865,15 +1877,6 @@
module_param_array(dma2, int, NULL, 0444);
MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
-struct snd_audiodrive {
-#ifdef CONFIG_PNP
- struct pnp_dev *dev;
- struct pnp_dev *devc;
-#endif
-};
-
-static struct snd_card *snd_audiodrive_legacy[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
-
#ifdef CONFIG_PNP
static struct pnp_card_device_id snd_audiodrive_pnpids[] = {
@@ -1979,209 +1982,254 @@
#define is_isapnp_selected(dev) 0
#endif
-static int __devinit snd_audiodrive_probe(int dev, struct pnp_card_link *pcard,
- const struct pnp_card_device_id *pid)
+static struct snd_card *snd_es18xx_card_new(int dev)
{
- static int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
- static int possible_dmas[] = {1, 0, 3, 5, -1};
- int xirq, xdma1, xdma2;
- struct snd_card *card;
- struct snd_audiodrive *acard;
+ return snd_card_new(index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_audiodrive));
+}
+
+static int __devinit snd_audiodrive_probe(struct snd_card *card, int dev)
+{
+ struct snd_audiodrive *acard = card->private_data;
struct snd_es18xx *chip;
struct snd_opl3 *opl3;
int err;
- card = snd_card_new(index[dev], id[dev], THIS_MODULE,
- sizeof(struct snd_audiodrive));
- if (card == NULL)
- return -ENOMEM;
- acard = (struct snd_audiodrive *)card->private_data;
-#ifdef CONFIG_PNP
- if (isapnp[dev]) {
- if ((err = snd_audiodrive_pnp(dev, acard, pcard, pid)) < 0) {
- snd_card_free(card);
- return err;
- }
- snd_card_set_dev(card, &pcard->card->dev);
- }
-#endif
-
- xirq = irq[dev];
- if (xirq == SNDRV_AUTO_IRQ) {
- if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
- snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
- err = -EBUSY;
- goto _err;
- }
- }
- xdma1 = dma1[dev];
- if (xdma1 == SNDRV_AUTO_DMA) {
- if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
- snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
- err = -EBUSY;
- goto _err;
- }
- }
- xdma2 = dma2[dev];
- if (xdma2 == SNDRV_AUTO_DMA) {
- if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
- snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
- err = -EBUSY;
- goto _err;
- }
- }
-
if ((err = snd_es18xx_new_device(card,
port[dev],
mpu_port[dev],
fm_port[dev],
- xirq, xdma1, xdma2,
+ irq[dev], dma1[dev], dma2[dev],
&chip)) < 0)
- goto _err;
+ return err;
+ acard->chip = chip;
sprintf(card->driver, "ES%x", chip->version);
+
sprintf(card->shortname, "ESS AudioDrive ES%x", chip->version);
- if (xdma1 != xdma2)
+ if (dma1[dev] != dma2[dev])
sprintf(card->longname, "%s at 0x%lx, irq %d, dma1 %d, dma2 %d",
card->shortname,
chip->port,
- xirq, xdma1, xdma2);
+ irq[dev], dma1[dev], dma2[dev]);
else
sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
card->shortname,
chip->port,
- xirq, xdma1);
+ irq[dev], dma1[dev]);
if ((err = snd_es18xx_pcm(chip, 0, NULL)) < 0)
- goto _err;
+ return err;
if ((err = snd_es18xx_mixer(chip)) < 0)
- goto _err;
+ return err;
if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
if (snd_opl3_create(card, chip->fm_port, chip->fm_port + 2, OPL3_HW_OPL3, 0, &opl3) < 0) {
snd_printk(KERN_WARNING PFX "opl3 not detected at 0x%lx\n", chip->fm_port);
} else {
if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
- goto _err;
+ return err;
}
}
if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES18XX,
chip->mpu_port, 0,
- xirq, 0,
+ irq[dev], 0,
&chip->rmidi)) < 0)
- goto _err;
+ return err;
}
- if ((err = snd_card_set_generic_dev(card)) < 0)
- goto _err;
-
- /* Power Management */
- snd_card_set_isa_pm_callback(card, snd_es18xx_suspend, snd_es18xx_resume, chip);
-
- if ((err = snd_card_register(card)) < 0)
- goto _err;
-
- if (pcard)
- pnp_set_card_drvdata(pcard, card);
- else
- snd_audiodrive_legacy[dev] = card;
- return 0;
-
- _err:
- snd_card_free(card);
- return err;
+ return snd_card_register(card);
}
-static int __devinit snd_audiodrive_probe_legacy_port(unsigned long xport)
+static int __init snd_es18xx_nonpnp_probe1(int dev, struct platform_device *devptr)
{
- static int dev;
- int res;
+ struct snd_card *card;
+ int err;
- for ( ; dev < SNDRV_CARDS; dev++) {
- if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
- continue;
- if (is_isapnp_selected(dev))
- continue;
- port[dev] = xport;
- res = snd_audiodrive_probe(dev, NULL, NULL);
- if (res < 0)
- port[dev] = SNDRV_AUTO_PORT;
- return res;
+ card = snd_es18xx_card_new(dev);
+ if (! card)
+ return -ENOMEM;
+ snd_card_set_dev(card, &devptr->dev);
+ if ((err = snd_audiodrive_probe(card, dev)) < 0) {
+ snd_card_free(card);
+ return err;
}
- return -ENODEV;
+ platform_set_drvdata(devptr, card);
+ return 0;
}
+static int __init snd_es18xx_nonpnp_probe(struct platform_device *pdev)
+{
+ int dev = pdev->id;
+ int err;
+ static int possible_irqs[] = {5, 9, 10, 7, 11, 12, -1};
+ static int possible_dmas[] = {1, 0, 3, 5, -1};
+
+ if (irq[dev] == SNDRV_AUTO_IRQ) {
+ if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+ return -EBUSY;
+ }
+ }
+ if (dma1[dev] == SNDRV_AUTO_DMA) {
+ if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
+ return -EBUSY;
+ }
+ }
+ if (dma2[dev] == SNDRV_AUTO_DMA) {
+ if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) {
+ snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
+ return -EBUSY;
+ }
+ }
+
+ if (port[dev] != SNDRV_AUTO_PORT) {
+ return snd_es18xx_nonpnp_probe1(dev, pdev);
+ } else {
+ static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280};
+ int i;
+ for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
+ port[dev] = possible_ports[i];
+ err = snd_es18xx_nonpnp_probe1(dev, pdev);
+ if (! err)
+ return 0;
+ }
+ return err;
+ }
+}
+
+static int __devexit snd_es18xx_nonpnp_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_es18xx_nonpnp_suspend(struct platform_device *dev, pm_message_t state)
+{
+ return snd_es18xx_suspend(platform_get_drvdata(dev), state);
+}
+
+static int snd_es18xx_nonpnp_resume(struct platform_device *dev)
+{
+ return snd_es18xx_resume(platform_get_drvdata(dev));
+}
+#endif
+
+#define ES18XX_DRIVER "snd_es18xx"
+
+static struct platform_driver snd_es18xx_nonpnp_driver = {
+ .probe = snd_es18xx_nonpnp_probe,
+ .remove = __devexit_p(snd_es18xx_nonpnp_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_es18xx_nonpnp_suspend,
+ .resume = snd_es18xx_nonpnp_resume,
+#endif
+ .driver = {
+ .name = ES18XX_DRIVER
+ },
+};
+
#ifdef CONFIG_PNP
-static int __devinit snd_audiodrive_pnp_detect(struct pnp_card_link *card,
- const struct pnp_card_device_id *id)
+static int __devinit snd_audiodrive_pnp_detect(struct pnp_card_link *pcard,
+ const struct pnp_card_device_id *pid)
{
static int dev;
+ struct snd_card *card;
int res;
for ( ; dev < SNDRV_CARDS; dev++) {
- if (!enable[dev] || !isapnp[dev])
- continue;
- res = snd_audiodrive_probe(dev, card, id);
- if (res < 0)
- return res;
- dev++;
- return 0;
- }
+ if (enable[dev] && isapnp[dev])
+ break;
+ }
+ if (dev >= SNDRV_CARDS)
+ return -ENODEV;
- return -ENODEV;
+ card = snd_es18xx_card_new(dev);
+ if (! card)
+ return -ENOMEM;
+
+ if ((res = snd_audiodrive_pnp(dev, card->private_data, pcard, pid)) < 0) {
+ snd_card_free(card);
+ return res;
+ }
+ snd_card_set_dev(card, &pcard->card->dev);
+ if ((res = snd_audiodrive_probe(card, dev)) < 0) {
+ snd_card_free(card);
+ return res;
+ }
+
+ pnp_set_card_drvdata(pcard, card);
+ dev++;
+ return 0;
}
static void __devexit snd_audiodrive_pnp_remove(struct pnp_card_link * pcard)
{
- struct snd_card *card = (struct snd_card *) pnp_get_card_drvdata(pcard);
-
- snd_card_disconnect(card);
- snd_card_free_in_thread(card);
+ snd_card_free(pnp_get_card_drvdata(pcard));
+ pnp_set_card_drvdata(pcard, NULL);
}
+#ifdef CONFIG_PM
+static int snd_audiodrive_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
+{
+ return snd_es18xx_suspend(pnp_get_card_drvdata(pcard), state);
+}
+
+static int snd_audiodrive_pnp_resume(struct pnp_card_link *pcard)
+{
+ return snd_es18xx_resume(pnp_get_card_drvdata(pcard));
+}
+
+#endif
+
static struct pnp_card_driver es18xx_pnpc_driver = {
.flags = PNP_DRIVER_RES_DISABLE,
.name = "es18xx",
.id_table = snd_audiodrive_pnpids,
.probe = snd_audiodrive_pnp_detect,
.remove = __devexit_p(snd_audiodrive_pnp_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_audiodrive_pnp_suspend,
+ .resume = snd_audiodrive_pnp_resume,
+#endif
};
#endif /* CONFIG_PNP */
static int __init alsa_card_es18xx_init(void)
{
- static unsigned long possible_ports[] = {0x220, 0x240, 0x260, 0x280, -1};
- int dev, cards = 0, i;
+ int i, err, cards = 0;
- /* legacy non-auto cards at first */
- for (dev = 0; dev < SNDRV_CARDS; dev++) {
- if (!enable[dev] || port[dev] == SNDRV_AUTO_PORT)
+ if ((err = platform_driver_register(&snd_es18xx_nonpnp_driver)) < 0)
+ return err;
+
+ for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ struct platform_device *device;
+ if (is_isapnp_selected(i))
continue;
- if (is_isapnp_selected(dev))
- continue;
- if (snd_audiodrive_probe(dev, NULL, NULL) >= 0)
- cards++;
+ device = platform_device_register_simple(ES18XX_DRIVER,
+ i, NULL, 0);
+ if (IS_ERR(device)) {
+ err = PTR_ERR(device);
+ platform_driver_unregister(&snd_es18xx_nonpnp_driver);
+ return err;
+ }
+ cards++;
}
- /* legacy auto configured cards */
- i = snd_legacy_auto_probe(possible_ports, snd_audiodrive_probe_legacy_port);
- if (i > 0)
- cards += i;
-#ifdef CONFIG_PNP
- /* ISA PnP cards at last */
i = pnp_register_card_driver(&es18xx_pnpc_driver);
if (i > 0)
cards += i;
-#endif
if(!cards) {
-#ifdef CONFIG_PNP
pnp_unregister_card_driver(&es18xx_pnpc_driver);
-#endif
+ platform_driver_unregister(&snd_es18xx_nonpnp_driver);
#ifdef MODULE
snd_printk(KERN_ERR "ESS AudioDrive ES18xx soundcard not found or device busy\n");
#endif
@@ -2192,14 +2240,8 @@
static void __exit alsa_card_es18xx_exit(void)
{
- int idx;
-
-#ifdef CONFIG_PNP
- /* PnP cards first */
pnp_unregister_card_driver(&es18xx_pnpc_driver);
-#endif
- for(idx = 0; idx < SNDRV_CARDS; idx++)
- snd_card_free(snd_audiodrive_legacy[idx]);
+ platform_driver_unregister(&snd_es18xx_nonpnp_driver);
}
module_init(alsa_card_es18xx_init)