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/module.h>
  24 #include <linux/slab.h>
  25 #include <sound/core.h>
  26 #include "vxpocket.h"
  27 #include <pcmcia/ciscode.h>
  28 #include <pcmcia/cisreg.h>
  29 #include <sound/initval.h>
  30 #include <sound/tlv.h>
  31
  32 /*
  33  */
  34
  35 MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
  36 MODULE_DESCRIPTION("Digigram VXPocket");
  37 MODULE_LICENSE("GPL");
  38 MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
  39
  40 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  41 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  42 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable switches */
  43 static int ibl[SNDRV_CARDS];
  44
  45 module_param_array(index, int, NULL, 0444);
  46 MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
  47 module_param_array(id, charp, NULL, 0444);
  48 MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
  49 module_param_array(enable, bool, NULL, 0444);
  50 MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
  51 module_param_array(ibl, int, NULL, 0444);
  52 MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
  53
  54
  55 /*
  56  */
  57
  58 static unsigned int card_alloc;
  59
  60
  61 /*
  62  */
  63 static void vxpocket_release(struct pcmcia_device *link)
  64 {
  65         pcmcia_disable_device(link);
  66 }
  67
  68 /*
  69  * destructor, called from snd_card_free_when_closed()
  70  */
  71 static int snd_vxpocket_dev_free(struct snd_device *device)
  72 {
  73         struct vx_core *chip = device->device_data;
  74
  75         snd_vx_free_firmware(chip);
  76         kfree(chip);
  77         return 0;
  78 }
  79
  80
  81 /*
  82  * Hardware information
  83  */
  84
  85 /* VX-pocket V2
  86  *
  87  * 1 DSP, 1 sync UER
  88  * 1 programmable clock (NIY)
  89  * 1 stereo analog input (line/micro)
  90  * 1 stereo analog output
  91  * Only output levels can be modified
  92  */
  93
  94 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
  95
  96 static struct snd_vx_hardware vxpocket_hw = {
  97         .name = "VXPocket",
  98         .type = VX_TYPE_VXPOCKET,
  99
 100         /* hardware specs */
 101         .num_codecs = 1,
 102         .num_ins = 1,
 103         .num_outs = 1,
 104         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 105         .output_level_db_scale = db_scale_old_vol,
 106 };
 107
 108 /* VX-pocket 440
 109  *
 110  * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
 111  * SMPTE (NIY)
 112  * 2 stereo analog input (line/micro)
 113  * 2 stereo analog output
 114  * Only output levels can be modified
 115  * UER, but only for the first two inputs and outputs.
 116  */
 117
 118 static struct snd_vx_hardware vxp440_hw = {
 119         .name = "VXPocket440",
 120         .type = VX_TYPE_VXP440,
 121
 122         /* hardware specs */
 123         .num_codecs = 2,
 124         .num_ins = 2,
 125         .num_outs = 2,
 126         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 127         .output_level_db_scale = db_scale_old_vol,
 128 };
 129
 130
 131 /*
 132  * create vxpocket instance
 133  */
 134 static int snd_vxpocket_new(struct snd_card *card, int ibl,
 135                             struct pcmcia_device *link,
 136                             struct snd_vxpocket **chip_ret)
 137 {
 138         struct vx_core *chip;
 139         struct snd_vxpocket *vxp;
 140         static struct snd_device_ops ops = {
 141                 .dev_free =     snd_vxpocket_dev_free,
 142         };
 143         int err;
 144
 145         chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
 146                              sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
 147         if (!chip)
 148                 return -ENOMEM;
 149
 150         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
 151         if (err < 0) {
 152                 kfree(chip);
 153                 return err;
 154         }
 155         chip->ibl.size = ibl;
 156
 157         vxp = (struct snd_vxpocket *)chip;
 158
 159         vxp->p_dev = link;
 160         link->priv = chip;
 161
 162         link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
 163         link->resource[0]->end = 16;
 164
 165         link->config_flags |= CONF_ENABLE_IRQ;
 166         link->config_index = 1;
 167         link->config_regs = PRESENT_OPTION;
 168
 169         *chip_ret = vxp;
 170         return 0;
 171 }
 172
 173
 174 /**
 175  * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 176  * @port: i/o port for the card
 177  * @irq: irq number for the card
 178  *
 179  * this function assigns the specified port and irq, boot the card,
 180  * create pcm and control instances, and initialize the rest hardware.
 181  *
 182  * returns 0 if successful, or a negative error code.
 183  */
 184 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
 185 {
 186         int err;
 187         struct snd_card *card = chip->card;
 188         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 189
 190         snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
 191         vxp->port = port;
 192
 193         sprintf(card->shortname, "Digigram %s", card->driver);
 194         sprintf(card->longname, "%s at 0x%x, irq %i",
 195                 card->shortname, port, irq);
 196
 197         chip->irq = irq;
 198
 199         if ((err = snd_vx_setup_firmware(chip)) < 0)
 200                 return err;
 201
 202         return 0;
 203 }
 204
 205
 206 /*
 207  * configuration callback
 208  */
 209
 210 static int vxpocket_config(struct pcmcia_device *link)
 211 {
 212         struct vx_core *chip = link->priv;
 213         int ret;
 214
 215         snd_printdd(KERN_DEBUG "vxpocket_config called\n");
 216
 217         /* redefine hardware record according to the VERSION1 string */
 218         if (!strcmp(link->prod_id[1], "VX-POCKET")) {
 219                 snd_printdd("VX-pocket is detected\n");
 220         } else {
 221                 snd_printdd("VX-pocket 440 is detected\n");
 222                 /* overwrite the hardware information */
 223                 chip->hw = &vxp440_hw;
 224                 chip->type = vxp440_hw.type;
 225                 strcpy(chip->card->driver, vxp440_hw.name);
 226         }
 227
 228         ret = pcmcia_request_io(link);
 229         if (ret)
 230                 goto failed;
 231
 232         ret = pcmcia_request_irq(link, snd_vx_irq_handler);
 233         if (ret)
 234                 goto failed;
 235
 236         ret = pcmcia_enable_device(link);
 237         if (ret)
 238                 goto failed;
 239
 240         chip->dev = &link->dev;
 241         snd_card_set_dev(chip->card, chip->dev);
 242
 243         if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
 244                                                 link->irq) < 0)
 245                 goto failed;
 246
 247         return 0;
 248
 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);
 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, err;
 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         err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
 311         if (err < 0) {
 312                 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
 313                 return err;
 314         }
 315
 316         err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
 317         if (err < 0) {
 318                 snd_card_free(card);
 319                 return err;
 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 const 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         .name           = "snd-vxpocket",
 362         .probe          = vxpocket_probe,
 363         .remove         = vxpocket_detach,
 364         .id_table       = vxp_ids,
 365 #ifdef CONFIG_PM
 366         .suspend        = vxp_suspend,
 367         .resume         = vxp_resume,
 368 #endif
 369 };
 370
 371 static int __init init_vxpocket(void)
 372 {
 373         return pcmcia_register_driver(&vxp_cs_driver);
 374 }
 375
 376 static void __exit exit_vxpocket(void)
 377 {
 378         pcmcia_unregister_driver(&vxp_cs_driver);
 379 }
 380
 381 module_init(init_vxpocket);
 382 module_exit(exit_vxpocket);