ad1816a.c

Go to the documentation of this file.

/*
    card-ad1816a.c - driver for ADI SoundPort AD1816A based soundcards.
    Copyright (C) 2000 by Massimo Piccioni <[email protected]>

    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/wait.h>
#include <linux/pnp.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/ad1816a.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>

#define PFX "ad1816a: "

MODULE_AUTHOR("Massimo Piccioni <[email protected]>");
MODULE_DESCRIPTION("AD1816A, AD1815");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Highscreen,Sound-Boostar 16 3D},"
        "{Analog Devices,AD1815},"
        "{Analog Devices,AD1816A},"
        "{TerraTec,Base 64},"
        "{TerraTec,AudioSystem EWS64S},"
        "{Aztech/Newcom SC-16 3D},"
        "{Shark Predator ISA}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;  /* Index 1-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;   /* ID for this card */
static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;  /* Enable this card */
static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* Pnp setup */
static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* Pnp setup */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;   /* PnP setup */
static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;   /* PnP setup */
static int clockfreq[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for ad1816a based soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for ad1816a based soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable ad1816a based soundcard.");
module_param_array(clockfreq, int, NULL, 0444);
MODULE_PARM_DESC(clockfreq, "Clock frequency for ad1816a driver (default = 0).");

static struct pnp_card_device_id snd_ad1816a_pnpids[] = {
    /* Analog Devices AD1815 */
    { .id = "ADS7150", .devs = { { .id = "ADS7150" }, { .id = "ADS7151" } } },
    /* Analog Device AD1816? */
    { .id = "ADS7180", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* Analog Devices AD1816A - added by Kenneth Platz <[email protected]> */
    { .id = "ADS7181", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* Analog Devices AD1816A - Aztech/Newcom SC-16 3D */
    { .id = "AZT1022", .devs = { { .id = "AZT1018" }, { .id = "AZT2002" } } },
    /* Highscreen Sound-Boostar 16 3D - added by Stefan Behnel */
    { .id = "LWC1061", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* Highscreen Sound-Boostar 16 3D */
    { .id = "MDK1605", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* Shark Predator ISA - added by Ken Arromdee */
    { .id = "SMM7180", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* Analog Devices AD1816A - Terratec AudioSystem EWS64 S */
    { .id = "TER1112", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* Analog Devices AD1816A - Terratec AudioSystem EWS64 S */
    { .id = "TER1112", .devs = { { .id = "TER1100" }, { .id = "TER1101" } } },
    /* Analog Devices AD1816A - Terratec Base 64 */
    { .id = "TER1411", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
    /* end */
    { .id = "" }
};

MODULE_DEVICE_TABLE(pnp_card, snd_ad1816a_pnpids);


#define DRIVER_NAME "snd-card-ad1816a"


static int __devinit snd_card_ad1816a_pnp(int dev, struct pnp_card_link *card,
                      const struct pnp_card_device_id *id)
{
    struct pnp_dev *pdev;
    int err;

    pdev = pnp_request_card_device(card, id->devs[0].id, NULL);
    if (pdev == NULL)
        return -EBUSY;

    err = pnp_activate_dev(pdev);
    if (err < 0) {
        printk(KERN_ERR PFX "AUDIO PnP configure failure\n");
        return -EBUSY;
    }

    port[dev] = pnp_port_start(pdev, 2);
    fm_port[dev] = pnp_port_start(pdev, 1);
    dma1[dev] = pnp_dma(pdev, 0);
    dma2[dev] = pnp_dma(pdev, 1);
    irq[dev] = pnp_irq(pdev, 0);

    pdev = pnp_request_card_device(card, id->devs[1].id, NULL);
    if (pdev == NULL) {
        mpu_port[dev] = -1;
        snd_printk(KERN_WARNING PFX "MPU401 device busy, skipping.\n");
        return 0;
    }

    err = pnp_activate_dev(pdev);
    if (err < 0) {
        printk(KERN_ERR PFX "MPU401 PnP configure failure\n");
        mpu_port[dev] = -1;
    } else {
        mpu_port[dev] = pnp_port_start(pdev, 0);
        mpu_irq[dev] = pnp_irq(pdev, 0);
    }

    return 0;
}

static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard,
                        const struct pnp_card_device_id *pid)
{
    int error;
    struct snd_card *card;
    struct snd_ad1816a *chip;
    struct snd_opl3 *opl3;
    struct snd_timer *timer;

    error = snd_card_create(index[dev], id[dev], THIS_MODULE,
                sizeof(struct snd_ad1816a), &card);
    if (error < 0)
        return error;
    chip = card->private_data;

    if ((error = snd_card_ad1816a_pnp(dev, pcard, pid))) {
        snd_card_free(card);
        return error;
    }
    snd_card_set_dev(card, &pcard->card->dev);

    if ((error = snd_ad1816a_create(card, port[dev],
                    irq[dev],
                    dma1[dev],
                    dma2[dev],
                    chip)) < 0) {
        snd_card_free(card);
        return error;
    }
    if (clockfreq[dev] >= 5000 && clockfreq[dev] <= 100000)
        chip->clock_freq = clockfreq[dev];

    strcpy(card->driver, "AD1816A");
    strcpy(card->shortname, "ADI SoundPort AD1816A");
    sprintf(card->longname, "%s, SS at 0x%lx, irq %d, dma %d&%d",
        card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);

    if ((error = snd_ad1816a_pcm(chip, 0, NULL)) < 0) {
        snd_card_free(card);
        return error;
    }

    if ((error = snd_ad1816a_mixer(chip)) < 0) {
        snd_card_free(card);
        return error;
    }

    error = snd_ad1816a_timer(chip, 0, &timer);
    if (error < 0) {
        snd_card_free(card);
        return error;
    }

    if (mpu_port[dev] > 0) {
        if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
                    mpu_port[dev], 0, mpu_irq[dev],
                    NULL) < 0)
            printk(KERN_ERR PFX "no MPU-401 device at 0x%lx.\n", mpu_port[dev]);
    }

    if (fm_port[dev] > 0) {
        if (snd_opl3_create(card,
                    fm_port[dev], fm_port[dev] + 2,
                    OPL3_HW_AUTO, 0, &opl3) < 0) {
            printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx.\n", fm_port[dev], fm_port[dev] + 2);
        } else {
            error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
            if (error < 0) {
                snd_card_free(card);
                return error;
            }
        }
    }

    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 ad1816a_devices;

static int __devinit snd_ad1816a_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_ad1816a_probe(dev, card, id);
        if (res < 0)
            return res;
        dev++;
        ad1816a_devices++;
        return 0;
    }
        return -ENODEV;
}

static void __devexit snd_ad1816a_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_ad1816a_pnp_suspend(struct pnp_card_link *pcard,
                   pm_message_t state)
{
    struct snd_card *card = pnp_get_card_drvdata(pcard);

    snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
    snd_ad1816a_suspend(card->private_data);
    return 0;
}

static int snd_ad1816a_pnp_resume(struct pnp_card_link *pcard)
{
    struct snd_card *card = pnp_get_card_drvdata(pcard);

    snd_ad1816a_resume(card->private_data);
    snd_power_change_state(card, SNDRV_CTL_POWER_D0);
    return 0;
}
#endif

static struct pnp_card_driver ad1816a_pnpc_driver = {
    .flags      = PNP_DRIVER_RES_DISABLE,
    .name       = "ad1816a",
    .id_table   = snd_ad1816a_pnpids,
    .probe      = snd_ad1816a_pnp_detect,
    .remove     = __devexit_p(snd_ad1816a_pnp_remove),
#ifdef CONFIG_PM
    .suspend    = snd_ad1816a_pnp_suspend,
    .resume     = snd_ad1816a_pnp_resume,
#endif
};

static int __init alsa_card_ad1816a_init(void)
{
    int err;

    err = pnp_register_card_driver(&ad1816a_pnpc_driver);
    if (err)
        return err;

    if (!ad1816a_devices) {
        pnp_unregister_card_driver(&ad1816a_pnpc_driver);
#ifdef MODULE
        printk(KERN_ERR "no AD1816A based soundcards found.\n");
#endif  /* MODULE */
        return -ENODEV;
    }
    return 0;
}

static void __exit alsa_card_ad1816a_exit(void)
{
    pnp_unregister_card_driver(&ad1816a_pnpc_driver);
}

module_init(alsa_card_ad1816a_init)
module_exit(alsa_card_ad1816a_exit)