1 files changed, 204 insertions, 0 deletions

diff --git a/sound/isa/es1688/es1688.c b/sound/isa/es1688/es1688.c
new file mode 100644
index 000000000000..c5eaec087b46
--- /dev/null
+++ b/sound/isa/es1688/es1688.c
@@ -0,0 +1,204 @@
+/*
+ *  Driver for generic ESS AudioDrive ESx688 soundcards
+ *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ *
+ *
+ *   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 <asm/dma.h>
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/wait.h>
+#include <linux/moduleparam.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_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_DESCRIPTION("ESS ESx688 AudioDrive");
+MODULE_LICENSE("GPL");
+MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
+                "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
+                "{ESS,ES688 AudioDrive,pnp:ESS6881},"
+                "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
+
+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;  /* Enable this card */
+static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260 */
+static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
+static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */
+static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 5,7,9,10 */
+static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3 */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for ESx688 soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for ESx688 soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable ESx688 soundcard.");
+module_param_array(port, long, NULL, 0444);
+MODULE_PARM_DESC(port, "Port # for ESx688 driver.");
+module_param_array(mpu_port, long, NULL, 0444);
+MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ESx688 driver.");
+module_param_array(irq, int, NULL, 0444);
+MODULE_PARM_DESC(irq, "IRQ # for ESx688 driver.");
+module_param_array(mpu_irq, int, NULL, 0444);
+MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ESx688 driver.");
+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 int __init snd_audiodrive_probe(int dev)
+{
+        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;
+        int err;
+
+        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
+        if (card == NULL)
+                return -ENOMEM;
+
+        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;
+                }
+        }
+        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;
+                }
+        }
+
+        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;
+        }
+
+        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);
+        } else {
+                if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
+                        snd_card_free(card);
+                        return err;
+                }
+        }
+
+        if (xmpu_irq >= 0 && xmpu_irq != SNDRV_AUTO_IRQ && chip->mpu_port > 0) {
+                if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
+                                               chip->mpu_port, 0,
+                                               xmpu_irq,
+                                               SA_INTERRUPT,
+                                               NULL)) < 0) {
+                        snd_card_free(card);
+                        return err;
+                }
+        }
+        if ((err = snd_card_register(card)) < 0) {
+                snd_card_free(card);
+                return err;
+        }
+        snd_audiodrive_cards[dev] = card;
+        return 0;
+
+}
+
+static int __init snd_audiodrive_legacy_auto_probe(unsigned long xport)
+{
+        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;
+}
+
+static int __init alsa_card_es1688_init(void)
+{
+        static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1};
+        int dev, cards = 0, i;
+
+        for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
+                if (port[dev] == SNDRV_AUTO_PORT)
+                        continue;
+                if (snd_audiodrive_probe(dev) >= 0)
+                        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
+                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]);
+}
+
+module_init(alsa_card_es1688_init)
+module_exit(alsa_card_es1688_exit)