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-rw-r--r--sound/isa/sb/es968.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/sound/isa/sb/es968.c b/sound/isa/sb/es968.c
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--- /dev/null
+++ b/sound/isa/sb/es968.c
@@ -0,0 +1,247 @@
+
+/*
+ card-es968.c - driver for ESS AudioDrive ES968 based soundcards.
+ Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it>
+
+ Thanks to Pierfrancesco 'qM2' Passerini.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/pnp.h>
+#include <linux/moduleparam.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/sb.h>
+
+#define PFX "es968: "
+
+MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
+MODULE_DESCRIPTION("ESS AudioDrive ES968");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{ESS,AudioDrive ES968}}");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
+static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for es968 based soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for es968 based soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable es968 based soundcard.");
+
+struct snd_card_es968 {
+ struct pnp_dev *dev;
+ struct snd_sb *chip;
+};
+
+static struct pnp_card_device_id snd_es968_pnpids[] = {
+ { .id = "ESS0968", .devs = { { "@@@0968" }, } },
+ { .id = "", } /* end */
+};
+
+MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
+
+#define DRIVER_NAME "snd-card-es968"
+
+static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id)
+{
+ struct snd_sb *chip = dev_id;
+
+ if (chip->open & SB_OPEN_PCM) {
+ return snd_sb8dsp_interrupt(chip);
+ } else {
+ return snd_sb8dsp_midi_interrupt(chip);
+ }
+}
+
+static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard,
+ struct pnp_card_link *card,
+ const struct pnp_card_device_id *id)
+{
+ struct pnp_dev *pdev;
+ int err;
+
+ acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
+ if (acard->dev == NULL)
+ return -ENODEV;
+
+ pdev = acard->dev;
+
+ err = pnp_activate_dev(pdev);
+ if (err < 0) {
+ snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
+ return err;
+ }
+ port[dev] = pnp_port_start(pdev, 0);
+ dma8[dev] = pnp_dma(pdev, 1);
+ irq[dev] = pnp_irq(pdev, 0);
+
+ return 0;
+}
+
+static int __devinit snd_card_es968_probe(int dev,
+ struct pnp_card_link *pcard,
+ const struct pnp_card_device_id *pid)
+{
+ int error;
+ struct snd_sb *chip;
+ struct snd_card *card;
+ struct snd_card_es968 *acard;
+
+ if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
+ sizeof(struct snd_card_es968))) == NULL)
+ return -ENOMEM;
+ acard = card->private_data;
+ if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) {
+ snd_card_free(card);
+ return error;
+ }
+ snd_card_set_dev(card, &pcard->card->dev);
+
+ if ((error = snd_sbdsp_create(card, port[dev],
+ irq[dev],
+ snd_card_es968_interrupt,
+ dma8[dev],
+ -1,
+ SB_HW_AUTO, &chip)) < 0) {
+ snd_card_free(card);
+ return error;
+ }
+ acard->chip = chip;
+
+ if ((error = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) {
+ snd_card_free(card);
+ return error;
+ }
+
+ if ((error = snd_sbmixer_new(chip)) < 0) {
+ snd_card_free(card);
+ return error;
+ }
+
+ if ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) {
+ snd_card_free(card);
+ return error;
+ }
+
+ strcpy(card->driver, "ES968");
+ strcpy(card->shortname, "ESS ES968");
+ sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d",
+ card->shortname, chip->name, chip->port, irq[dev], dma8[dev]);
+
+ if ((error = snd_card_register(card)) < 0) {
+ snd_card_free(card);
+ return error;
+ }
+ pnp_set_card_drvdata(pcard, card);
+ return 0;
+}
+
+static unsigned int __devinitdata es968_devices;
+
+static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card,
+ const struct pnp_card_device_id *id)
+{
+ static int dev;
+ int res;
+
+ for ( ; dev < SNDRV_CARDS; dev++) {
+ if (!enable[dev])
+ continue;
+ res = snd_card_es968_probe(dev, card, id);
+ if (res < 0)
+ return res;
+ dev++;
+ es968_devices++;
+ return 0;
+ }
+ return -ENODEV;
+}
+
+static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
+{
+ snd_card_free(pnp_get_card_drvdata(pcard));
+ pnp_set_card_drvdata(pcard, NULL);
+}
+
+#ifdef CONFIG_PM
+static int snd_es968_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
+{
+ struct snd_card *card = pnp_get_card_drvdata(pcard);
+ struct snd_card_es968 *acard = card->private_data;
+ struct snd_sb *chip = acard->chip;
+
+ snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
+ snd_pcm_suspend_all(chip->pcm);
+ snd_sbmixer_suspend(chip);
+ return 0;
+}
+
+static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
+{
+ struct snd_card *card = pnp_get_card_drvdata(pcard);
+ struct snd_card_es968 *acard = card->private_data;
+ struct snd_sb *chip = acard->chip;
+
+ snd_sbdsp_reset(chip);
+ snd_sbmixer_resume(chip);
+ snd_power_change_state(card, SNDRV_CTL_POWER_D0);
+ return 0;
+}
+#endif
+
+static struct pnp_card_driver es968_pnpc_driver = {
+ .flags = PNP_DRIVER_RES_DISABLE,
+ .name = "es968",
+ .id_table = snd_es968_pnpids,
+ .probe = snd_es968_pnp_detect,
+ .remove = __devexit_p(snd_es968_pnp_remove),
+#ifdef CONFIG_PM
+ .suspend = snd_es968_pnp_suspend,
+ .resume = snd_es968_pnp_resume,
+#endif
+};
+
+static int __init alsa_card_es968_init(void)
+{
+ int err = pnp_register_card_driver(&es968_pnpc_driver);
+ if (err)
+ return err;
+
+ if (!es968_devices) {
+ pnp_unregister_card_driver(&es968_pnpc_driver);
+#ifdef MODULE
+ snd_printk(KERN_ERR "no ES968 based soundcards found\n");
+#endif
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static void __exit alsa_card_es968_exit(void)
+{
+ pnp_unregister_card_driver(&es968_pnpc_driver);
+}
+
+module_init(alsa_card_es968_init)
+module_exit(alsa_card_es968_exit)
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