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ad1816a.c

/*
    card-ad1816a.c - driver for ADI SoundPort AD1816A based soundcards.
    Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it>

    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/moduleparam.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 <dafastidio@libero.it>");
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 int 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).");

struct snd_card_ad1816a {
      struct pnp_dev *dev;
      struct pnp_dev *devmpu;
};

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 <kxp@atl.hp.com> */
      { .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 snd_card_ad1816a *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 -EBUSY;

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

      pdev = acard->dev;

      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);

      if (acard->devmpu == NULL)
            return 0;

      pdev = acard->devmpu;

      err = pnp_activate_dev(pdev);
      if (err < 0) {
            printk(KERN_ERR PFX "MPU401 PnP configure failure\n");
            mpu_port[dev] = -1;
            acard->devmpu = NULL;
      } 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_card_ad1816a *acard;
      struct snd_ad1816a *chip;
      struct snd_opl3 *opl3;

      if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
                         sizeof(struct snd_card_ad1816a))) == NULL)
            return -ENOMEM;
      acard = (struct snd_card_ad1816a *)card->private_data;

      if ((error = snd_card_ad1816a_pnp(dev, acard, 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;
      }

      if (mpu_port[dev] > 0) {
            if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
                              mpu_port[dev], 0, mpu_irq[dev], IRQF_DISABLED,
                              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 {
                  if ((error = snd_opl3_timer_new(opl3, 1, 2)) < 0) {
                        snd_card_free(card);
                        return error;
                  }
                  if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 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);
}

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),
      /* FIXME: suspend/resume */
};

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)

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