1 files changed, 235 insertions, 0 deletions

diff --git a/sound/isa/sb/es968.c b/sound/isa/sb/es968.c
new file mode 100644
index 000000000000..c859917c14db
--- /dev/null
+++ b/sound/isa/sb/es968.c
@@ -0,0 +1,235 @@
+
+/*
+    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 <sound/driver.h>
+#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.");
+module_param_array(port, long, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for es968 driver.");
+module_param_array(irq, int, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for es968 driver.");
+module_param_array(dma8, int, NULL, 0444);
+MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver.");
+
+struct snd_card_es968 {
+        struct pnp_dev *dev;
+};
+
+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 pt_regs *regs)
+{
+        sb_t *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;
+        struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
+        int err;
+        if (!cfg)
+                return -ENOMEM;
+        acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
+        if (acard->dev == NULL) {
+                kfree(cfg);
+                return -ENODEV;
+        }
+
+        pdev = acard->dev;
+
+        pnp_init_resource_table(cfg);
+
+        /* override resources */
+        if (port[dev] != SNDRV_AUTO_PORT)
+                pnp_resource_change(&cfg->port_resource[0], port[dev], 16);
+        if (dma8[dev] != SNDRV_AUTO_DMA)
+                pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);
+        if (irq[dev] != SNDRV_AUTO_IRQ)
+                pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
+        if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)
+                snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
+        err = pnp_activate_dev(pdev);
+        if (err < 0) {
+                snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
+                kfree(cfg);
+                return err;
+        }
+        port[dev] = pnp_port_start(pdev, 0);
+        dma8[dev] = pnp_dma(pdev, 1);
+        irq[dev] = pnp_irq(pdev, 0);
+
+        kfree(cfg);
+        return 0;
+}
+
+static int __init snd_card_es968_probe(int dev,
+                                        struct pnp_card_link *pcard,
+                                        const struct pnp_card_device_id *pid)
+{
+        int error;
+        sb_t *chip;
+        snd_card_t *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 = (struct snd_card_es968 *)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;
+        }
+
+        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 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++;
+                return 0;
+        }
+        return -ENODEV;
+}
+
+static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
+{
+        snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard);
+
+        snd_card_disconnect(card);
+        snd_card_free_in_thread(card);
+}
+
+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),
+};
+
+static int __init alsa_card_es968_init(void)
+{
+        int cards = pnp_register_card_driver(&es968_pnpc_driver);
+#ifdef MODULE
+        if (cards == 0) {
+                pnp_unregister_card_driver(&es968_pnpc_driver);
+                snd_printk(KERN_ERR "no ES968 based soundcards found\n");
+        }
+#endif
+        return cards ? 0 : -ENODEV;
+}
+
+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)