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gusextreme.c

/*
 *  Driver for Gravis UltraSound Extreme soundcards
 *  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/err.h>
#include <linux/isa.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <linux/moduleparam.h>
#include <asm/dma.h>
#include <sound/core.h>
#include <sound/gus.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>

#define CRD_NAME "Gravis UltraSound Extreme"
#define DEV_NAME "gusextreme"

MODULE_DESCRIPTION(CRD_NAME);
MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Extreme}}");

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 gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
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 gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;  /* 2,3,5,9,11,12,15 */
static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;     /* 0,1,3 */
static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
                        /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
module_param_array(port, long, NULL, 0444);
MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
module_param_array(gf1_port, long, NULL, 0444);
MODULE_PARM_DESC(gf1_port, "GF1 port # for " CRD_NAME " driver (optional).");
module_param_array(mpu_port, long, NULL, 0444);
MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
module_param_array(irq, int, NULL, 0444);
MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
module_param_array(mpu_irq, int, NULL, 0444);
MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
module_param_array(gf1_irq, int, NULL, 0444);
MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for " CRD_NAME " driver.");
module_param_array(dma8, int, NULL, 0444);
MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
module_param_array(dma1, int, NULL, 0444);
MODULE_PARM_DESC(dma1, "GF1 DMA # for " CRD_NAME " driver.");
module_param_array(joystick_dac, int, NULL, 0444);
MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for " CRD_NAME " driver.");
module_param_array(channels, int, NULL, 0444);
MODULE_PARM_DESC(channels, "GF1 channels for " CRD_NAME " driver.");
module_param_array(pcm_channels, int, NULL, 0444);
MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for " CRD_NAME " driver.");

static int __devinit snd_gusextreme_match(struct device *dev, unsigned int n)
{
      return enable[n];
}

static int __devinit snd_gusextreme_es1688_create(struct snd_card *card,
            struct device *dev, unsigned int n, struct snd_es1688 **rchip)
{
      static long possible_ports[] = {0x220, 0x240, 0x260};
      static int possible_irqs[] = {5, 9, 10, 7, -1};
      static int possible_dmas[] = {1, 3, 0, -1};

      int i, error;

      if (irq[n] == SNDRV_AUTO_IRQ) {
            irq[n] = snd_legacy_find_free_irq(possible_irqs);
            if (irq[n] < 0) {
                  dev_err(dev, "unable to find a free IRQ for ES1688\n");
                  return -EBUSY;
            }
      }
      if (dma8[n] == SNDRV_AUTO_DMA) {
            dma8[n] = snd_legacy_find_free_dma(possible_dmas);
            if (dma8[n] < 0) {
                  dev_err(dev, "unable to find a free DMA for ES1688\n");
                  return -EBUSY;
            }
      }

      if (port[n] != SNDRV_AUTO_PORT)
            return snd_es1688_create(card, port[n], mpu_port[n], irq[n],
                        mpu_irq[n], dma8[n], ES1688_HW_1688, rchip);

      i = 0;
      do {
            port[n] = possible_ports[i];
            error = snd_es1688_create(card, port[n], mpu_port[n], irq[n],
                        mpu_irq[n], dma8[n], ES1688_HW_1688, rchip);
      } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));

      return error;
}

static int __devinit snd_gusextreme_gus_card_create(struct snd_card *card,
            struct device *dev, unsigned int n, struct snd_gus_card **rgus)
{
      static int possible_irqs[] = {11, 12, 15, 9, 5, 7, 3, -1};
      static int possible_dmas[] = {5, 6, 7, 3, 1, -1};

      if (gf1_irq[n] == SNDRV_AUTO_IRQ) {
            gf1_irq[n] = snd_legacy_find_free_irq(possible_irqs);
            if (gf1_irq[n] < 0) {
                  dev_err(dev, "unable to find a free IRQ for GF1\n");
                  return -EBUSY;
            }
      }
      if (dma1[n] == SNDRV_AUTO_DMA) {
            dma1[n] = snd_legacy_find_free_dma(possible_dmas);
            if (dma1[n] < 0) {
                  dev_err(dev, "unable to find a free DMA for GF1\n");
                  return -EBUSY;
            }
      }
      return snd_gus_create(card, gf1_port[n], gf1_irq[n], dma1[n], -1,
                  0, channels[n], pcm_channels[n], 0, rgus);
}

static int __devinit snd_gusextreme_detect(struct snd_gus_card *gus,
      struct snd_es1688 *es1688)
{
      unsigned long flags;
      unsigned char d;

      /*
       * This is main stuff - enable access to GF1 chip...
       * I'm not sure, if this will work for card which have
       * ES1688 chip in another place than 0x220.
         *
         * I used reverse-engineering in DOSEMU. [--jk]
       *
       * ULTRINIT.EXE:
       * 0x230 = 0,2,3
       * 0x240 = 2,0,1
       * 0x250 = 2,0,3
       * 0x260 = 2,2,1
       */

      spin_lock_irqsave(&es1688->mixer_lock, flags);
      snd_es1688_mixer_write(es1688, 0x40, 0x0b);     /* don't change!!! */
      spin_unlock_irqrestore(&es1688->mixer_lock, flags);

      spin_lock_irqsave(&es1688->reg_lock, flags);
      outb(gus->gf1.port & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
      outb(0, 0x201);
      outb(gus->gf1.port & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
      outb(0, 0x201);
      outb(gus->gf1.port & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
      spin_unlock_irqrestore(&es1688->reg_lock, flags);

      udelay(100);

      snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
      if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
            snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
            return -EIO;
      }
      udelay(160);
      snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
      udelay(160);
      if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
            snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
            return -EIO;
      }

      return 0;
}

static int __devinit snd_gusextreme_mixer(struct snd_es1688 *chip)
{
      struct snd_card *card = chip->card;
      struct snd_ctl_elem_id id1, id2;
      int error;

      memset(&id1, 0, sizeof(id1));
      memset(&id2, 0, sizeof(id2));
      id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;

      /* reassign AUX to SYNTHESIZER */
      strcpy(id1.name, "Aux Playback Volume");
      strcpy(id2.name, "Synth Playback Volume");
      error = snd_ctl_rename_id(card, &id1, &id2);
      if (error < 0)
            return error;

      /* reassign Master Playback Switch to Synth Playback Switch */
      strcpy(id1.name, "Master Playback Switch");
      strcpy(id2.name, "Synth Playback Switch");
      error = snd_ctl_rename_id(card, &id1, &id2);
      if (error < 0)
            return error;

      return 0;
}

static int __devinit snd_gusextreme_probe(struct device *dev, unsigned int n)
{
      struct snd_card *card;
      struct snd_gus_card *gus;
      struct snd_es1688 *es1688;
      struct snd_opl3 *opl3;
      int error;

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

      if (mpu_port[n] == SNDRV_AUTO_PORT)
            mpu_port[n] = 0;

      if (mpu_irq[n] > 15)
            mpu_irq[n] = -1;

      error = snd_gusextreme_es1688_create(card, dev, n, &es1688);
      if (error < 0)
            goto out;

      if (gf1_port[n] < 0)
            gf1_port[n] = es1688->port + 0x20;

      error = snd_gusextreme_gus_card_create(card, dev, n, &gus);
      if (error < 0)
            goto out;

      error = snd_gusextreme_detect(gus, es1688);
      if (error < 0)
            goto out;

      gus->joystick_dac = joystick_dac[n];

      error = snd_gus_initialize(gus);
      if (error < 0)
            goto out;

      error = -ENODEV;
      if (!gus->ess_flag) {
            dev_err(dev, "GUS Extreme soundcard was not "
                  "detected at 0x%lx\n", gus->gf1.port);
            goto out;
      }
      gus->codec_flag = 1;

      error = snd_es1688_pcm(es1688, 0, NULL);
      if (error < 0)
            goto out;

      error = snd_es1688_mixer(es1688);
      if (error < 0)
            goto out;

      snd_component_add(card, "ES1688");

      if (pcm_channels[n] > 0) {
            error = snd_gf1_pcm_new(gus, 1, 1, NULL);
            if (error < 0)
                  goto out;
      }

      error = snd_gf1_new_mixer(gus);
      if (error < 0)
            goto out;

      error = snd_gusextreme_mixer(es1688);
      if (error < 0)
            goto out;

      if (snd_opl3_create(card, es1688->port, es1688->port + 2,
                  OPL3_HW_OPL3, 0, &opl3) < 0)
            dev_warn(dev, "opl3 not detected at 0x%lx\n", es1688->port);
      else {
            error = snd_opl3_hwdep_new(opl3, 0, 2, NULL);
            if (error < 0)
                  goto out;
      }

      if (es1688->mpu_port >= 0x300) {
            error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
                        es1688->mpu_port, 0,
                        mpu_irq[n], IRQF_DISABLED, NULL);
            if (error < 0)
                  goto out;
      }

      sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, "
            "irq %i&%i, dma %i&%i", es1688->port,
            gus->gf1.irq, es1688->irq, gus->gf1.dma1, es1688->dma8);

      snd_card_set_dev(card, dev);

      error = snd_card_register(card);
      if (error < 0)
            goto out;

      dev_set_drvdata(dev, card);
      return 0;

out:  snd_card_free(card);
      return error;
}

static int __devexit snd_gusextreme_remove(struct device *dev, unsigned int n)
{
      snd_card_free(dev_get_drvdata(dev));
      dev_set_drvdata(dev, NULL);
      return 0;
}

static struct isa_driver snd_gusextreme_driver = {
      .match            = snd_gusextreme_match,
      .probe            = snd_gusextreme_probe,
      .remove           = __devexit_p(snd_gusextreme_remove),
#if 0 /* FIXME */
      .suspend    = snd_gusextreme_suspend,
      .resume           = snd_gusextreme_resume,
#endif
      .driver           = {
            .name = DEV_NAME
      }
};

static int __init alsa_card_gusextreme_init(void)
{
      return isa_register_driver(&snd_gusextreme_driver, SNDRV_CARDS);
}

static void __exit alsa_card_gusextreme_exit(void)
{
      isa_unregister_driver(&snd_gusextreme_driver);
}

module_init(alsa_card_gusextreme_init);
module_exit(alsa_card_gusextreme_exit);

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