sound/isa/gus/gusclassic.c

   1 /*
   2  *  Driver for Gravis UltraSound Classic soundcard
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
  23 #include <asm/dma.h>
  24 #include <linux/init.h>
  25 #include <linux/delay.h>
  26 #include <linux/time.h>
  27 #include <sound/core.h>
  28 #include <sound/gus.h>
  29 #define SNDRV_LEGACY_AUTO_PROBE
  30 #define SNDRV_LEGACY_FIND_FREE_IRQ
  31 #define SNDRV_LEGACY_FIND_FREE_DMA
  32 #define SNDRV_GET_ID
  33 #include <sound/initval.h>
  34
  35 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  36 MODULE_DESCRIPTION("Gravis UltraSound Classic");
  37 MODULE_LICENSE("GPL");
  38 MODULE_CLASSES("{sound}");
  39 MODULE_DEVICES("{{Gravis,UltraSound Classic}}");
  40
  41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  43 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
  44 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x230,0x240,0x250,0x260 */
  45 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 3,5,9,11,12,15 */
  46 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3,5,6,7 */
  47 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3,5,6,7 */
  48 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
  49                                 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
  50 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
  51 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
  52
  53 MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  54 MODULE_PARM_DESC(index, "Index value for GUS Classic soundcard.");
  55 MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
  56 MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
  57 MODULE_PARM_DESC(id, "ID string for GUS Classic soundcard.");
  58 MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
  59 MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  60 MODULE_PARM_DESC(enable, "Enable GUS Classic soundcard.");
  61 MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
  62 MODULE_PARM(port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
  63 MODULE_PARM_DESC(port, "Port # for GUS Classic driver.");
  64 MODULE_PARM_SYNTAX(port, SNDRV_ENABLED ",allows:{{0x220,0x260,0x10}},dialog:list");
  65 MODULE_PARM(irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  66 MODULE_PARM_DESC(irq, "IRQ # for GUS Classic driver.");
  67 MODULE_PARM_SYNTAX(irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
  68 MODULE_PARM(dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  69 MODULE_PARM_DESC(dma1, "DMA1 # for GUS Classic driver.");
  70 MODULE_PARM_SYNTAX(dma1, SNDRV_ENABLED ",allows:{{1},{3},{5},{6},{7}},dialog:list");
  71 MODULE_PARM(dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  72 MODULE_PARM_DESC(dma2, "DMA2 # for GUS Classic driver.");
  73 MODULE_PARM_SYNTAX(dma2, SNDRV_ENABLED ",allows:{{1},{3},{5},{6},{7}},dialog:list");
  74 MODULE_PARM(joystick_dac, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  75 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Classic driver.");
  76 MODULE_PARM_SYNTAX(joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
  77 MODULE_PARM(channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  78 MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
  79 MODULE_PARM_SYNTAX(channels,  SNDRV_ENABLED ",allows:{{14,32}}");
  80 MODULE_PARM(pcm_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
  81 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");
  82 MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
  83
  84 static snd_card_t *snd_gusclassic_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
  85
  86
  87 static int __init snd_gusclassic_detect(snd_gus_card_t * gus)
  88 {
  89         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
  90 #ifdef CONFIG_SND_DEBUG_DETECT
  91         {
  92                 unsigned char d;
  93
  94                 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
  95                         snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
  96                         return -ENODEV;
  97                 }
  98         }
  99 #else
 100         if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
 101                 return -ENODEV;
 102 #endif
 103         udelay(160);
 104         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
 105         udelay(160);
 106 #ifdef CONFIG_SND_DEBUG_DETECT
 107         {
 108                 unsigned char d;
 109
 110                 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
 111                         snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
 112                         return -ENODEV;
 113                 }
 114         }
 115 #else
 116         if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
 117                 return -ENODEV;
 118 #endif
 119
 120         return 0;
 121 }
 122
 123 static void __init snd_gusclassic_init(int dev, snd_gus_card_t * gus)
 124 {
 125         gus->equal_irq = 0;
 126         gus->codec_flag = 0;
 127         gus->max_flag = 0;
 128         gus->joystick_dac = joystick_dac[dev];
 129 }
 130
 131 static int __init snd_gusclassic_probe(int dev)
 132 {
 133         static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, 4, -1};
 134         static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
 135         int xirq, xdma1, xdma2;
 136         snd_card_t *card;
 137         struct snd_gusclassic *guscard;
 138         snd_gus_card_t *gus = NULL;
 139         int err;
 140
 141         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
 142         if (card == NULL)
 143                 return -ENOMEM;
 144         guscard = (struct snd_gusclassic *)card->private_data;
 145         if (pcm_channels[dev] < 2)
 146                 pcm_channels[dev] = 2;
 147
 148         xirq = irq[dev];
 149         if (xirq == SNDRV_AUTO_IRQ) {
 150                 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 151                         snd_card_free(card);
 152                         snd_printk("unable to find a free IRQ\n");
 153                         return -EBUSY;
 154                 }
 155         }
 156         xdma1 = dma1[dev];
 157         if (xdma1 == SNDRV_AUTO_DMA) {
 158                 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 159                         snd_card_free(card);
 160                         snd_printk("unable to find a free DMA1\n");
 161                         return -EBUSY;
 162                 }
 163         }
 164         xdma2 = dma2[dev];
 165         if (xdma2 == SNDRV_AUTO_DMA) {
 166                 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 167                         snd_card_free(card);
 168                         snd_printk("unable to find a free DMA2\n");
 169                         return -EBUSY;
 170                 }
 171         }
 172
 173
 174         if ((err = snd_gus_create(card,
 175                                   port[dev],
 176                                   xirq, xdma1, xdma2,
 177                                   0, channels[dev], pcm_channels[dev],
 178                                   0, &gus)) < 0) {
 179                 snd_card_free(card);
 180                 return err;
 181         }
 182         if ((err = snd_gusclassic_detect(gus)) < 0) {
 183                 snd_card_free(card);
 184                 return err;
 185         }
 186         snd_gusclassic_init(dev, gus);
 187         if ((err = snd_gus_initialize(gus)) < 0) {
 188                 snd_card_free(card);
 189                 return err;
 190         }
 191         if (gus->max_flag || gus->ess_flag) {
 192                 snd_printdd("GUS Classic or ACE soundcard was not detected at 0x%lx\n", gus->gf1.port);
 193                 snd_card_free(card);
 194                 return -ENODEV;
 195         }
 196         if ((err = snd_gf1_new_mixer(gus)) < 0) {
 197                 snd_card_free(card);
 198                 return err;
 199         }
 200         if ((err = snd_gf1_pcm_new(gus, 0, 0, NULL)) < 0) {
 201                 snd_card_free(card);
 202                 return err;
 203         }
 204         if (!gus->ace_flag) {
 205                 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
 206                         snd_card_free(card);
 207                         return err;
 208                 }
 209         }
 210         sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %d, dma %d", gus->gf1.port, xirq, xdma1);
 211         if (dma2 >= 0)
 212                 sprintf(card->longname + strlen(card->longname), "&%d", xdma2);
 213         if ((err = snd_card_register(card)) < 0) {
 214                 snd_card_free(card);
 215                 return err;
 216         }
 217         snd_gusclassic_cards[dev] = card;
 218         return 0;
 219 }
 220
 221 static int __init snd_gusclassic_legacy_auto_probe(unsigned long xport)
 222 {
 223         static int dev;
 224         int res;
 225
 226         for ( ; dev < SNDRV_CARDS; dev++) {
 227                 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
 228                         continue;
 229                 port[dev] = xport;
 230                 res = snd_gusclassic_probe(dev);
 231                 if (res < 0)
 232                         port[dev] = SNDRV_AUTO_PORT;
 233                 return res;
 234         }
 235         return -ENODEV;
 236 }
 237
 238 static int __init alsa_card_gusclassic_init(void)
 239 {
 240         static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
 241         int dev, cards, i;
 242
 243         for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) {
 244                 if (port[dev] == SNDRV_AUTO_PORT)
 245                         continue;
 246                 if (snd_gusclassic_probe(dev) >= 0)
 247                         cards++;
 248         }
 249         i = snd_legacy_auto_probe(possible_ports, snd_gusclassic_legacy_auto_probe);
 250         if (i > 0)
 251                 cards += i;
 252
 253         if (!cards) {
 254 #ifdef MODULE
 255                 printk(KERN_ERR "GUS Classic soundcard not found or device busy\n");
 256 #endif
 257                 return -ENODEV;
 258         }
 259         return 0;
 260 }
 261
 262 static void __exit alsa_card_gusclassic_exit(void)
 263 {
 264         int idx;
 265
 266         for (idx = 0; idx < SNDRV_CARDS; idx++)
 267                 snd_card_free(snd_gusclassic_cards[idx]);
 268 }
 269
 270 module_init(alsa_card_gusclassic_init)
 271 module_exit(alsa_card_gusclassic_exit)
 272
 273 #ifndef MODULE
 274
 275 /* format is: snd-gusclassic=enable,index,id,
 276                              port,irq,
 277                              dma1,dma2,
 278                              joystick_dac,
 279                              channels,pcm_channels */
 280
 281 static int __init alsa_card_gusclassic_setup(char *str)
 282 {
 283         static unsigned __initdata nr_dev = 0;
 284
 285         if (nr_dev >= SNDRV_CARDS)
 286                 return 0;
 287         (void)(get_option(&str,&enable[nr_dev]) == 2 &&
 288                get_option(&str,&index[nr_dev]) == 2 &&
 289                get_id(&str,&id[nr_dev]) == 2 &&
 290                get_option_long(&str,&port[nr_dev]) == 2 &&
 291                get_option(&str,&irq[nr_dev]) == 2 &&
 292                get_option(&str,&dma1[nr_dev]) == 2 &&
 293                get_option(&str,&dma2[nr_dev]) == 2 &&
 294                get_option(&str,&joystick_dac[nr_dev]) == 2 &&
 295                get_option(&str,&channels[nr_dev]) == 2 &&
 296                get_option(&str,&pcm_channels[nr_dev]) == 2);
 297         nr_dev++;
 298         return 1;
 299 }
 300
 301 __setup("snd-gusclassic=", alsa_card_gusclassic_setup);
 302
 303 #endif /* ifndef MODULE */