sound/pcmcia/vx/vxpocket.c

   1 /*
   2  * Driver for Digigram VXpocket V2/440 soundcards
   3  *
   4  * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de>
   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/moduleparam.h>
  24 #include <sound/core.h>
  25 #include "vxpocket.h"
  26 #include <pcmcia/ciscode.h>
  27 #include <pcmcia/cisreg.h>
  28 #include <sound/initval.h>
  29 #include <sound/tlv.h>
  30
  31 /*
  32  */
  33
  34 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
  35 MODULE_DESCRIPTION("Digigram VXPocket");
  36 MODULE_LICENSE("GPL");
  37 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
  38
  39 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  40 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  41 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable switches */
  42 static int ibl[SNDRV_CARDS];
  43
  44 module_param_array(index, int, NULL, 0444);
  45 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
  46 module_param_array(id, charp, NULL, 0444);
  47 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
  48 module_param_array(enable, bool, NULL, 0444);
  49 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
  50 module_param_array(ibl, int, NULL, 0444);
  51 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
  52
  53
  54 /*
  55  */
  56
  57 static unsigned int card_alloc;
  58
  59
  60 /*
  61  */
  62 static void vxpocket_release(struct pcmcia_device *link)
  63 {
  64         pcmcia_disable_device(link);
  65 }
  66
  67 /*
  68  * destructor, called from snd_card_free_when_closed()
  69  */
  70 static int snd_vxpocket_dev_free(struct snd_device *device)
  71 {
  72         struct vx_core *chip = device->device_data;
  73
  74         snd_vx_free_firmware(chip);
  75         kfree(chip);
  76         return 0;
  77 }
  78
  79
  80 /*
  81  * Hardware information
  82  */
  83
  84 /* VX-pocket V2
  85  *
  86  * 1 DSP, 1 sync UER
  87  * 1 programmable clock (NIY)
  88  * 1 stereo analog input (line/micro)
  89  * 1 stereo analog output
  90  * Only output levels can be modified
  91  */
  92
  93 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
  94
  95 static struct snd_vx_hardware vxpocket_hw = {
  96         .name = "VXPocket",
  97         .type = VX_TYPE_VXPOCKET,
  98
  99         /* hardware specs */
 100         .num_codecs = 1,
 101         .num_ins = 1,
 102         .num_outs = 1,
 103         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 104         .output_level_db_scale = db_scale_old_vol,
 105 };
 106
 107 /* VX-pocket 440
 108  *
 109  * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
 110  * SMPTE (NIY)
 111  * 2 stereo analog input (line/micro)
 112  * 2 stereo analog output
 113  * Only output levels can be modified
 114  * UER, but only for the first two inputs and outputs.
 115  */
 116
 117 static struct snd_vx_hardware vxp440_hw = {
 118         .name = "VXPocket440",
 119         .type = VX_TYPE_VXP440,
 120
 121         /* hardware specs */
 122         .num_codecs = 2,
 123         .num_ins = 2,
 124         .num_outs = 2,
 125         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 126         .output_level_db_scale = db_scale_old_vol,
 127 };
 128
 129
 130 /*
 131  * create vxpocket instance
 132  */
 133 static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl,
 134                                              struct pcmcia_device *link)
 135 {
 136         struct vx_core *chip;
 137         struct snd_vxpocket *vxp;
 138         static struct snd_device_ops ops = {
 139                 .dev_free =     snd_vxpocket_dev_free,
 140         };
 141
 142         chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
 143                              sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
 144         if (! chip)
 145                 return NULL;
 146
 147         if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
 148                 kfree(chip);
 149                 return NULL;
 150         }
 151         chip->ibl.size = ibl;
 152
 153         vxp = (struct snd_vxpocket *)chip;
 154
 155         vxp->p_dev = link;
 156         link->priv = chip;
 157
 158         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 159         link->io.NumPorts1 = 16;
 160
 161         link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 162
 163         link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 164         link->irq.Handler = &snd_vx_irq_handler;
 165         link->irq.Instance = chip;
 166
 167         link->conf.Attributes = CONF_ENABLE_IRQ;
 168         link->conf.IntType = INT_MEMORY_AND_IO;
 169         link->conf.ConfigIndex = 1;
 170         link->conf.Present = PRESENT_OPTION;
 171
 172         return vxp;
 173 }
 174
 175
 176 /**
 177  * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 178  * @port: i/o port for the card
 179  * @irq: irq number for the card
 180  *
 181  * this function assigns the specified port and irq, boot the card,
 182  * create pcm and control instances, and initialize the rest hardware.
 183  *
 184  * returns 0 if successful, or a negative error code.
 185  */
 186 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
 187 {
 188         int err;
 189         struct snd_card *card = chip->card;
 190         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 191
 192         snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
 193         vxp->port = port;
 194
 195         sprintf(card->shortname, "Digigram %s", card->driver);
 196         sprintf(card->longname, "%s at 0x%x, irq %i",
 197                 card->shortname, port, irq);
 198
 199         chip->irq = irq;
 200
 201         if ((err = snd_vx_setup_firmware(chip)) < 0)
 202                 return err;
 203
 204         return 0;
 205 }
 206
 207
 208 /*
 209  * configuration callback
 210  */
 211
 212 #define CS_CHECK(fn, ret) \
 213 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 214
 215 static int vxpocket_config(struct pcmcia_device *link)
 216 {
 217         struct vx_core *chip = link->priv;
 218         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 219         int last_fn, last_ret;
 220
 221         snd_printdd(KERN_DEBUG "vxpocket_config called\n");
 222
 223         /* redefine hardware record according to the VERSION1 string */
 224         if (!strcmp(link->prod_id[1], "VX-POCKET")) {
 225                 snd_printdd("VX-pocket is detected\n");
 226         } else {
 227                 snd_printdd("VX-pocket 440 is detected\n");
 228                 /* overwrite the hardware information */
 229                 chip->hw = &vxp440_hw;
 230                 chip->type = vxp440_hw.type;
 231                 strcpy(chip->card->driver, vxp440_hw.name);
 232         }
 233
 234         CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
 235         CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 236         CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 237
 238         chip->dev = &handle_to_dev(link);
 239         snd_card_set_dev(chip->card, chip->dev);
 240
 241         if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
 242                 goto failed;
 243
 244         link->dev_node = &vxp->node;
 245         return 0;
 246
 247 cs_failed:
 248         cs_error(link, last_fn, last_ret);
 249 failed:
 250         pcmcia_disable_device(link);
 251         return -ENODEV;
 252 }
 253
 254 #ifdef CONFIG_PM
 255
 256 static int vxp_suspend(struct pcmcia_device *link)
 257 {
 258         struct vx_core *chip = link->priv;
 259
 260         snd_printdd(KERN_DEBUG "SUSPEND\n");
 261         if (chip) {
 262                 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
 263                 snd_vx_suspend(chip, PMSG_SUSPEND);
 264         }
 265
 266         return 0;
 267 }
 268
 269 static int vxp_resume(struct pcmcia_device *link)
 270 {
 271         struct vx_core *chip = link->priv;
 272
 273         snd_printdd(KERN_DEBUG "RESUME\n");
 274         if (pcmcia_dev_present(link)) {
 275                 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 276                 if (chip) {
 277                         snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
 278                         snd_vx_resume(chip);
 279                 }
 280         }
 281         snd_printdd(KERN_DEBUG "resume done!\n");
 282
 283         return 0;
 284 }
 285
 286 #endif
 287
 288
 289 /*
 290  */
 291 static int vxpocket_probe(struct pcmcia_device *p_dev)
 292 {
 293         struct snd_card *card;
 294         struct snd_vxpocket *vxp;
 295         int i;
 296
 297         /* find an empty slot from the card list */
 298         for (i = 0; i < SNDRV_CARDS; i++) {
 299                 if (!(card_alloc & (1 << i)))
 300                         break;
 301         }
 302         if (i >= SNDRV_CARDS) {
 303                 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
 304                 return -EINVAL;
 305         }
 306         if (! enable[i])
 307                 return -ENODEV; /* disabled explicitly */
 308
 309         /* ok, create a card instance */
 310         card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
 311         if (card == NULL) {
 312                 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
 313                 return -ENOMEM;
 314         }
 315
 316         vxp = snd_vxpocket_new(card, ibl[i], p_dev);
 317         if (! vxp) {
 318                 snd_card_free(card);
 319                 return -ENODEV;
 320         }
 321         card->private_data = vxp;
 322
 323         vxp->index = i;
 324         card_alloc |= 1 << i;
 325
 326         vxp->p_dev = p_dev;
 327
 328         return vxpocket_config(p_dev);
 329 }
 330
 331 static void vxpocket_detach(struct pcmcia_device *link)
 332 {
 333         struct snd_vxpocket *vxp;
 334         struct vx_core *chip;
 335
 336         if (! link)
 337                 return;
 338
 339         vxp = link->priv;
 340         chip = (struct vx_core *)vxp;
 341         card_alloc &= ~(1 << vxp->index);
 342
 343         chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
 344         snd_card_disconnect(chip->card);
 345         vxpocket_release(link);
 346         snd_card_free_when_closed(chip->card);
 347 }
 348
 349 /*
 350  * Module entry points
 351  */
 352
 353 static struct pcmcia_device_id vxp_ids[] = {
 354         PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
 355         PCMCIA_DEVICE_NULL
 356 };
 357 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
 358
 359 static struct pcmcia_driver vxp_cs_driver = {
 360         .owner          = THIS_MODULE,
 361         .drv            = {
 362                 .name   = "snd-vxpocket",
 363         },
 364         .probe          = vxpocket_probe,
 365         .remove         = vxpocket_detach,
 366         .id_table       = vxp_ids,
 367 #ifdef CONFIG_PM
 368         .suspend        = vxp_suspend,
 369         .resume         = vxp_resume,
 370 #endif
 371 };
 372
 373 static int __init init_vxpocket(void)
 374 {
 375         return pcmcia_register_driver(&vxp_cs_driver);
 376 }
 377
 378 static void __exit exit_vxpocket(void)
 379 {
 380         pcmcia_unregister_driver(&vxp_cs_driver);
 381 }
 382
 383 module_init(init_vxpocket);
 384 module_exit(exit_vxpocket);