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ymfpci.c

/*
 *  The driver for the Yamaha's DS1/DS1E cards
 *  Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h>
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/ymfpci.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
#include <sound/initval.h>

MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Yamaha DS-1 PCI");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Yamaha,YMF724},"
            "{Yamaha,YMF724F},"
            "{Yamaha,YMF740},"
            "{Yamaha,YMF740C},"
            "{Yamaha,YMF744},"
            "{Yamaha,YMF754}}");

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_PNP;  /* Enable this card */
static long fm_port[SNDRV_CARDS];
static long mpu_port[SNDRV_CARDS];
#ifdef SUPPORT_JOYSTICK
static long joystick_port[SNDRV_CARDS];
#endif
static int rear_switch[SNDRV_CARDS];

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the Yamaha DS-1 PCI soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for the Yamaha DS-1 PCI soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Yamaha DS-1 soundcard.");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 Port.");
module_param_array(fm_port, long, NULL, 0444);
MODULE_PARM_DESC(fm_port, "FM OPL-3 Port.");
#ifdef SUPPORT_JOYSTICK
module_param_array(joystick_port, long, NULL, 0444);
MODULE_PARM_DESC(joystick_port, "Joystick port address");
#endif
module_param_array(rear_switch, bool, NULL, 0444);
MODULE_PARM_DESC(rear_switch, "Enable shared rear/line-in switch");

static struct pci_device_id snd_ymfpci_ids[] = {
      { PCI_VDEVICE(YAMAHA, 0x0004), 0, },   /* YMF724 */
      { PCI_VDEVICE(YAMAHA, 0x000d), 0, },   /* YMF724F */
      { PCI_VDEVICE(YAMAHA, 0x000a), 0, },   /* YMF740 */
      { PCI_VDEVICE(YAMAHA, 0x000c), 0, },   /* YMF740C */
      { PCI_VDEVICE(YAMAHA, 0x0010), 0, },   /* YMF744 */
      { PCI_VDEVICE(YAMAHA, 0x0012), 0, },   /* YMF754 */
      { 0, }
};

MODULE_DEVICE_TABLE(pci, snd_ymfpci_ids);

#ifdef SUPPORT_JOYSTICK
static int __devinit snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev,
                                    int legacy_ctrl, int legacy_ctrl2)
{
      struct gameport *gp;
      struct resource *r = NULL;
      int io_port = joystick_port[dev];

      if (!io_port)
            return -ENODEV;

      if (chip->pci->device >= 0x0010) { /* YMF 744/754 */

            if (io_port == 1) {
                  /* auto-detect */
                  if (!(io_port = pci_resource_start(chip->pci, 2)))
                        return -ENODEV;
            }
      } else {
            if (io_port == 1) {
                  /* auto-detect */
                  for (io_port = 0x201; io_port <= 0x205; io_port++) {
                        if (io_port == 0x203)
                              continue;
                        if ((r = request_region(io_port, 1, "YMFPCI gameport")) != NULL)
                              break;
                  }
                  if (!r) {
                        printk(KERN_ERR "ymfpci: no gameport ports available\n");
                        return -EBUSY;
                  }
            }
            switch (io_port) {
            case 0x201: legacy_ctrl2 |= 0 << 6; break;
            case 0x202: legacy_ctrl2 |= 1 << 6; break;
            case 0x204: legacy_ctrl2 |= 2 << 6; break;
            case 0x205: legacy_ctrl2 |= 3 << 6; break;
            default:
                  printk(KERN_ERR "ymfpci: invalid joystick port %#x", io_port);
                  return -EINVAL;
            }
      }

      if (!r && !(r = request_region(io_port, 1, "YMFPCI gameport"))) {
            printk(KERN_ERR "ymfpci: joystick port %#x is in use.\n", io_port);
            return -EBUSY;
      }

      chip->gameport = gp = gameport_allocate_port();
      if (!gp) {
            printk(KERN_ERR "ymfpci: cannot allocate memory for gameport\n");
            release_and_free_resource(r);
            return -ENOMEM;
      }


      gameport_set_name(gp, "Yamaha YMF Gameport");
      gameport_set_phys(gp, "pci%s/gameport0", pci_name(chip->pci));
      gameport_set_dev_parent(gp, &chip->pci->dev);
      gp->io = io_port;
      gameport_set_port_data(gp, r);

      if (chip->pci->device >= 0x0010) /* YMF 744/754 */
            pci_write_config_word(chip->pci, PCIR_DSXG_JOYBASE, io_port);

      pci_write_config_word(chip->pci, PCIR_DSXG_LEGACY, legacy_ctrl | YMFPCI_LEGACY_JPEN);
      pci_write_config_word(chip->pci, PCIR_DSXG_ELEGACY, legacy_ctrl2);

      gameport_register_port(chip->gameport);

      return 0;
}

void snd_ymfpci_free_gameport(struct snd_ymfpci *chip)
{
      if (chip->gameport) {
            struct resource *r = gameport_get_port_data(chip->gameport);

            gameport_unregister_port(chip->gameport);
            chip->gameport = NULL;

            release_and_free_resource(r);
      }
}
#else
static inline int snd_ymfpci_create_gameport(struct snd_ymfpci *chip, int dev, int l, int l2) { return -ENOSYS; }
void snd_ymfpci_free_gameport(struct snd_ymfpci *chip) { }
#endif /* SUPPORT_JOYSTICK */

static int __devinit snd_card_ymfpci_probe(struct pci_dev *pci,
                                 const struct pci_device_id *pci_id)
{
      static int dev;
      struct snd_card *card;
      struct resource *fm_res = NULL;
      struct resource *mpu_res = NULL;
      struct snd_ymfpci *chip;
      struct snd_opl3 *opl3;
      const char *str, *model;
      int err;
      u16 legacy_ctrl, legacy_ctrl2, old_legacy_ctrl;

      if (dev >= SNDRV_CARDS)
            return -ENODEV;
      if (!enable[dev]) {
            dev++;
            return -ENOENT;
      }

      err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
      if (err < 0)
            return err;

      switch (pci_id->device) {
      case 0x0004: str = "YMF724";  model = "DS-1"; break;
      case 0x000d: str = "YMF724F"; model = "DS-1"; break;
      case 0x000a: str = "YMF740";  model = "DS-1L"; break;
      case 0x000c: str = "YMF740C"; model = "DS-1L"; break;
      case 0x0010: str = "YMF744";  model = "DS-1S"; break;
      case 0x0012: str = "YMF754";  model = "DS-1E"; break;
      default: model = str = "???"; break;
      }

      legacy_ctrl = 0;
      legacy_ctrl2 = 0x0800;  /* SBEN = 0, SMOD = 01, LAD = 0 */

      if (pci_id->device >= 0x0010) { /* YMF 744/754 */
            if (fm_port[dev] == 1) {
                  /* auto-detect */
                  fm_port[dev] = pci_resource_start(pci, 1);
            }
            if (fm_port[dev] > 0 &&
                (fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) {
                  legacy_ctrl |= YMFPCI_LEGACY_FMEN;
                  pci_write_config_word(pci, PCIR_DSXG_FMBASE, fm_port[dev]);
            }
            if (mpu_port[dev] == 1) {
                  /* auto-detect */
                  mpu_port[dev] = pci_resource_start(pci, 1) + 0x20;
            }
            if (mpu_port[dev] > 0 &&
                (mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) {
                  legacy_ctrl |= YMFPCI_LEGACY_MEN;
                  pci_write_config_word(pci, PCIR_DSXG_MPU401BASE, mpu_port[dev]);
            }
      } else {
            switch (fm_port[dev]) {
            case 0x388: legacy_ctrl2 |= 0; break;
            case 0x398: legacy_ctrl2 |= 1; break;
            case 0x3a0: legacy_ctrl2 |= 2; break;
            case 0x3a8: legacy_ctrl2 |= 3; break;
            default: fm_port[dev] = 0; break;
            }
            if (fm_port[dev] > 0 &&
                (fm_res = request_region(fm_port[dev], 4, "YMFPCI OPL3")) != NULL) {
                  legacy_ctrl |= YMFPCI_LEGACY_FMEN;
            } else {
                  legacy_ctrl2 &= ~YMFPCI_LEGACY2_FMIO;
                  fm_port[dev] = 0;
            }
            switch (mpu_port[dev]) {
            case 0x330: legacy_ctrl2 |= 0 << 4; break;
            case 0x300: legacy_ctrl2 |= 1 << 4; break;
            case 0x332: legacy_ctrl2 |= 2 << 4; break;
            case 0x334: legacy_ctrl2 |= 3 << 4; break;
            default: mpu_port[dev] = 0; break;
            }
            if (mpu_port[dev] > 0 &&
                (mpu_res = request_region(mpu_port[dev], 2, "YMFPCI MPU401")) != NULL) {
                  legacy_ctrl |= YMFPCI_LEGACY_MEN;
            } else {
                  legacy_ctrl2 &= ~YMFPCI_LEGACY2_MPUIO;
                  mpu_port[dev] = 0;
            }
      }
      if (mpu_res) {
            legacy_ctrl |= YMFPCI_LEGACY_MIEN;
            legacy_ctrl2 |= YMFPCI_LEGACY2_IMOD;
      }
      pci_read_config_word(pci, PCIR_DSXG_LEGACY, &old_legacy_ctrl);
      pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
      pci_write_config_word(pci, PCIR_DSXG_ELEGACY, legacy_ctrl2);
      if ((err = snd_ymfpci_create(card, pci,
                             old_legacy_ctrl,
                             &chip)) < 0) {
            snd_card_free(card);
            release_and_free_resource(mpu_res);
            release_and_free_resource(fm_res);
            return err;
      }
      chip->fm_res = fm_res;
      chip->mpu_res = mpu_res;
      card->private_data = chip;

      strcpy(card->driver, str);
      sprintf(card->shortname, "Yamaha %s (%s)", model, str);
      sprintf(card->longname, "%s at 0x%lx, irq %i",
            card->shortname,
            chip->reg_area_phys,
            chip->irq);
      if ((err = snd_ymfpci_pcm(chip, 0, NULL)) < 0) {
            snd_card_free(card);
            return err;
      }
      if ((err = snd_ymfpci_pcm_spdif(chip, 1, NULL)) < 0) {
            snd_card_free(card);
            return err;
      }
      if ((err = snd_ymfpci_pcm_4ch(chip, 2, NULL)) < 0) {
            snd_card_free(card);
            return err;
      }
      if ((err = snd_ymfpci_pcm2(chip, 3, NULL)) < 0) {
            snd_card_free(card);
            return err;
      }
      if ((err = snd_ymfpci_mixer(chip, rear_switch[dev])) < 0) {
            snd_card_free(card);
            return err;
      }
      if ((err = snd_ymfpci_timer(chip, 0)) < 0) {
            snd_card_free(card);
            return err;
      }
      if (chip->mpu_res) {
            if ((err = snd_mpu401_uart_new(card, 0, MPU401_HW_YMFPCI,
                                     mpu_port[dev],
                                     MPU401_INFO_INTEGRATED,
                                     pci->irq, 0, &chip->rawmidi)) < 0) {
                  printk(KERN_WARNING "ymfpci: cannot initialize MPU401 at 0x%lx, skipping...\n", mpu_port[dev]);
                  legacy_ctrl &= ~YMFPCI_LEGACY_MIEN; /* disable MPU401 irq */
                  pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
            }
      }
      if (chip->fm_res) {
            if ((err = snd_opl3_create(card,
                                 fm_port[dev],
                                 fm_port[dev] + 2,
                                 OPL3_HW_OPL3, 1, &opl3)) < 0) {
                  printk(KERN_WARNING "ymfpci: cannot initialize FM OPL3 at 0x%lx, skipping...\n", fm_port[dev]);
                  legacy_ctrl &= ~YMFPCI_LEGACY_FMEN;
                  pci_write_config_word(pci, PCIR_DSXG_LEGACY, legacy_ctrl);
            } else if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
                  snd_card_free(card);
                  snd_printk(KERN_ERR "cannot create opl3 hwdep\n");
                  return err;
            }
      }

      snd_ymfpci_create_gameport(chip, dev, legacy_ctrl, legacy_ctrl2);

      if ((err = snd_card_register(card)) < 0) {
            snd_card_free(card);
            return err;
      }
      pci_set_drvdata(pci, card);
      dev++;
      return 0;
}

static void __devexit snd_card_ymfpci_remove(struct pci_dev *pci)
{
      snd_card_free(pci_get_drvdata(pci));
      pci_set_drvdata(pci, NULL);
}

static struct pci_driver driver = {
      .name = "Yamaha DS-1 PCI",
      .id_table = snd_ymfpci_ids,
      .probe = snd_card_ymfpci_probe,
      .remove = __devexit_p(snd_card_ymfpci_remove),
#ifdef CONFIG_PM
      .suspend = snd_ymfpci_suspend,
      .resume = snd_ymfpci_resume,
#endif
};

static int __init alsa_card_ymfpci_init(void)
{
      return pci_register_driver(&driver);
}

static void __exit alsa_card_ymfpci_exit(void)
{
      pci_unregister_driver(&driver);
}

module_init(alsa_card_ymfpci_init)
module_exit(alsa_card_ymfpci_exit)

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