sound/isa/es1688/es1688.c

   1 /*
   2  *  Driver for generic ESS AudioDrive ESx688 soundcards
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/err.h>
  24 #include <linux/isa.h>
  25 #include <linux/time.h>
  26 #include <linux/wait.h>
  27 #include <linux/moduleparam.h>
  28 #include <asm/dma.h>
  29 #include <sound/core.h>
  30 #include <sound/es1688.h>
  31 #include <sound/mpu401.h>
  32 #include <sound/opl3.h>
  33 #define SNDRV_LEGACY_FIND_FREE_IRQ
  34 #define SNDRV_LEGACY_FIND_FREE_DMA
  35 #include <sound/initval.h>
  36
  37 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
  38 #define DEV_NAME "es1688"
  39
  40 MODULE_DESCRIPTION(CRD_NAME);
  41 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  42 MODULE_LICENSE("GPL");
  43 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
  44                 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
  45                 "{ESS,ES688 AudioDrive,pnp:ESS6881},"
  46                 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
  47
  48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
  51 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260 */
  52 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  53 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */
  54 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 5,7,9,10 */
  55 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3 */
  56
  57 module_param_array(index, int, NULL, 0444);
  58 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
  59 module_param_array(id, charp, NULL, 0444);
  60 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
  61 module_param_array(enable, bool, NULL, 0444);
  62 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
  63 module_param_array(port, long, NULL, 0444);
  64 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
  65 module_param_array(mpu_port, long, NULL, 0444);
  66 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
  67 module_param_array(irq, int, NULL, 0444);
  68 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
  69 module_param_array(mpu_irq, int, NULL, 0444);
  70 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
  71 module_param_array(dma8, int, NULL, 0444);
  72 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
  73
  74 static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
  75 {
  76         return enable[n];
  77 }
  78
  79 static int __devinit snd_es1688_legacy_create(struct snd_card *card,
  80                 struct device *dev, unsigned int n, struct snd_es1688 **rchip)
  81 {
  82         static long possible_ports[] = {0x220, 0x240, 0x260};
  83         static int possible_irqs[] = {5, 9, 10, 7, -1};
  84         static int possible_dmas[] = {1, 3, 0, -1};
  85
  86         int i, error;
  87
  88         if (irq[n] == SNDRV_AUTO_IRQ) {
  89                 irq[n] = snd_legacy_find_free_irq(possible_irqs);
  90                 if (irq[n] < 0) {
  91                         dev_err(dev, "unable to find a free IRQ\n");
  92                         return -EBUSY;
  93                 }
  94         }
  95         if (dma8[n] == SNDRV_AUTO_DMA) {
  96                 dma8[n] = snd_legacy_find_free_dma(possible_dmas);
  97                 if (dma8[n] < 0) {
  98                         dev_err(dev, "unable to find a free DMA\n");
  99                         return -EBUSY;
 100                 }
 101         }
 102
 103         if (port[n] != SNDRV_AUTO_PORT)
 104                 return snd_es1688_create(card, port[n], mpu_port[n], irq[n],
 105                                 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
 106
 107         i = 0;
 108         do {
 109                 port[n] = possible_ports[i];
 110                 error = snd_es1688_create(card, port[n], mpu_port[n], irq[n],
 111                                 mpu_irq[n], dma8[n], ES1688_HW_AUTO, rchip);
 112         } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
 113
 114         return error;
 115 }
 116
 117 static int __devinit snd_es1688_probe(struct device *dev, unsigned int n)
 118 {
 119         struct snd_card *card;
 120         struct snd_es1688 *chip;
 121         struct snd_opl3 *opl3;
 122         struct snd_pcm *pcm;
 123         int error;
 124
 125         card = snd_card_new(index[n], id[n], THIS_MODULE, 0);
 126         if (!card)
 127                 return -EINVAL;
 128
 129         error = snd_es1688_legacy_create(card, dev, n, &chip);
 130         if (error < 0)
 131                 goto out;
 132
 133         error = snd_es1688_pcm(chip, 0, &pcm);
 134         if (error < 0)
 135                 goto out;
 136
 137         error = snd_es1688_mixer(chip);
 138         if (error < 0)
 139                 goto out;
 140
 141         strcpy(card->driver, "ES1688");
 142         strcpy(card->shortname, pcm->name);
 143         sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i", pcm->name,
 144                 chip->port, chip->irq, chip->dma8);
 145
 146         if (snd_opl3_create(card, chip->port, chip->port + 2,
 147                         OPL3_HW_OPL3, 0, &opl3) < 0)
 148                 dev_warn(dev, "opl3 not detected at 0x%lx\n", chip->port);
 149         else {
 150                 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 151                 if (error < 0)
 152                         goto out;
 153         }
 154
 155         if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
 156                         chip->mpu_port > 0) {
 157                 error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
 158                                 chip->mpu_port, 0,
 159                                 mpu_irq[n], IRQF_DISABLED, NULL);
 160                 if (error < 0)
 161                         goto out;
 162         }
 163
 164         snd_card_set_dev(card, dev);
 165
 166         error = snd_card_register(card);
 167         if (error < 0)
 168                 goto out;
 169
 170         dev_set_drvdata(dev, card);
 171         return 0;
 172
 173 out:    snd_card_free(card);
 174         return error;
 175 }
 176
 177 static int __devexit snd_es1688_remove(struct device *dev, unsigned int n)
 178 {
 179         snd_card_free(dev_get_drvdata(dev));
 180         dev_set_drvdata(dev, NULL);
 181         return 0;
 182 }
 183
 184 static struct isa_driver snd_es1688_driver = {
 185         .match          = snd_es1688_match,
 186         .probe          = snd_es1688_probe,
 187         .remove         = snd_es1688_remove,
 188 #if 0   /* FIXME */
 189         .suspend        = snd_es1688_suspend,
 190         .resume         = snd_es1688_resume,
 191 #endif
 192         .driver         = {
 193                 .name   = DEV_NAME
 194         }
 195 };
 196
 197 static int __init alsa_card_es1688_init(void)
 198 {
 199         return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
 200 }
 201
 202 static void __exit alsa_card_es1688_exit(void)
 203 {
 204         isa_unregister_driver(&snd_es1688_driver);
 205 }
 206
 207 module_init(alsa_card_es1688_init);
 208 module_exit(alsa_card_es1688_exit);