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         free_irq(link->irq, link->priv);
  66         pcmcia_disable_device(link);
  67 }
  68
  69 /*
  70  * destructor, called from snd_card_free_when_closed()
  71  */
  72 static int snd_vxpocket_dev_free(struct snd_device *device)
  73 {
  74         struct vx_core *chip = device->device_data;
  75
  76         snd_vx_free_firmware(chip);
  77         kfree(chip);
  78         return 0;
  79 }
  80
  81
  82 /*
  83  * Hardware information
  84  */
  85
  86 /* VX-pocket V2
  87  *
  88  * 1 DSP, 1 sync UER
  89  * 1 programmable clock (NIY)
  90  * 1 stereo analog input (line/micro)
  91  * 1 stereo analog output
  92  * Only output levels can be modified
  93  */
  94
  95 static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
  96
  97 static struct snd_vx_hardware vxpocket_hw = {
  98         .name = "VXPocket",
  99         .type = VX_TYPE_VXPOCKET,
 100
 101         /* hardware specs */
 102         .num_codecs = 1,
 103         .num_ins = 1,
 104         .num_outs = 1,
 105         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 106         .output_level_db_scale = db_scale_old_vol,
 107 };
 108
 109 /* VX-pocket 440
 110  *
 111  * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
 112  * SMPTE (NIY)
 113  * 2 stereo analog input (line/micro)
 114  * 2 stereo analog output
 115  * Only output levels can be modified
 116  * UER, but only for the first two inputs and outputs.
 117  */
 118
 119 static struct snd_vx_hardware vxp440_hw = {
 120         .name = "VXPocket440",
 121         .type = VX_TYPE_VXP440,
 122
 123         /* hardware specs */
 124         .num_codecs = 2,
 125         .num_ins = 2,
 126         .num_outs = 2,
 127         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 128         .output_level_db_scale = db_scale_old_vol,
 129 };
 130
 131
 132 /*
 133  * create vxpocket instance
 134  */
 135 static int snd_vxpocket_new(struct snd_card *card, int ibl,
 136                             struct pcmcia_device *link,
 137                             struct snd_vxpocket **chip_ret)
 138 {
 139         struct vx_core *chip;
 140         struct snd_vxpocket *vxp;
 141         static struct snd_device_ops ops = {
 142                 .dev_free =     snd_vxpocket_dev_free,
 143         };
 144         int err;
 145
 146         chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
 147                              sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
 148         if (!chip)
 149                 return -ENOMEM;
 150
 151         err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
 152         if (err < 0) {
 153                 kfree(chip);
 154                 return err;
 155         }
 156         chip->ibl.size = ibl;
 157
 158         vxp = to_vxpocket(chip);
 159
 160         vxp->p_dev = link;
 161         link->priv = chip;
 162
 163         link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
 164         link->resource[0]->end = 16;
 165
 166         link->config_flags |= CONF_ENABLE_IRQ;
 167         link->config_index = 1;
 168         link->config_regs = PRESENT_OPTION;
 169
 170         *chip_ret = vxp;
 171         return 0;
 172 }
 173
 174
 175 /**
 176  * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 177  * @chip: VX core 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 = to_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 static int vxpocket_config(struct pcmcia_device *link)
 213 {
 214         struct vx_core *chip = link->priv;
 215         int ret;
 216
 217         snd_printdd(KERN_DEBUG "vxpocket_config called\n");
 218
 219         /* redefine hardware record according to the VERSION1 string */
 220         if (!strcmp(link->prod_id[1], "VX-POCKET")) {
 221                 snd_printdd("VX-pocket is detected\n");
 222         } else {
 223                 snd_printdd("VX-pocket 440 is detected\n");
 224                 /* overwrite the hardware information */
 225                 chip->hw = &vxp440_hw;
 226                 chip->type = vxp440_hw.type;
 227                 strcpy(chip->card->driver, vxp440_hw.name);
 228         }
 229
 230         ret = pcmcia_request_io(link);
 231         if (ret)
 232                 goto failed_preirq;
 233
 234         ret = request_threaded_irq(link->irq, snd_vx_irq_handler,
 235                                    snd_vx_threaded_irq_handler,
 236                                    IRQF_SHARED, link->devname, link->priv);
 237         if (ret)
 238                 goto failed_preirq;
 239
 240         ret = pcmcia_enable_device(link);
 241         if (ret)
 242                 goto failed;
 243
 244         chip->dev = &link->dev;
 245
 246         if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
 247                                                 link->irq) < 0)
 248                 goto failed;
 249
 250         return 0;
 251
 252  failed:
 253         free_irq(link->irq, link->priv);
 254 failed_preirq:
 255         pcmcia_disable_device(link);
 256         return -ENODEV;
 257 }
 258
 259 #ifdef CONFIG_PM
 260
 261 static int vxp_suspend(struct pcmcia_device *link)
 262 {
 263         struct vx_core *chip = link->priv;
 264
 265         snd_printdd(KERN_DEBUG "SUSPEND\n");
 266         if (chip) {
 267                 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
 268                 snd_vx_suspend(chip);
 269         }
 270
 271         return 0;
 272 }
 273
 274 static int vxp_resume(struct pcmcia_device *link)
 275 {
 276         struct vx_core *chip = link->priv;
 277
 278         snd_printdd(KERN_DEBUG "RESUME\n");
 279         if (pcmcia_dev_present(link)) {
 280                 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 281                 if (chip) {
 282                         snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
 283                         snd_vx_resume(chip);
 284                 }
 285         }
 286         snd_printdd(KERN_DEBUG "resume done!\n");
 287
 288         return 0;
 289 }
 290
 291 #endif
 292
 293
 294 /*
 295  */
 296 static int vxpocket_probe(struct pcmcia_device *p_dev)
 297 {
 298         struct snd_card *card;
 299         struct snd_vxpocket *vxp;
 300         int i, err;
 301
 302         /* find an empty slot from the card list */
 303         for (i = 0; i < SNDRV_CARDS; i++) {
 304                 if (!(card_alloc & (1 << i)))
 305                         break;
 306         }
 307         if (i >= SNDRV_CARDS) {
 308                 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
 309                 return -EINVAL;
 310         }
 311         if (! enable[i])
 312                 return -ENODEV; /* disabled explicitly */
 313
 314         /* ok, create a card instance */
 315         err = snd_card_new(&p_dev->dev, index[i], id[i], THIS_MODULE,
 316                            0, &card);
 317         if (err < 0) {
 318                 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
 319                 return err;
 320         }
 321
 322         err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
 323         if (err < 0) {
 324                 snd_card_free(card);
 325                 return err;
 326         }
 327         card->private_data = vxp;
 328
 329         vxp->index = i;
 330         card_alloc |= 1 << i;
 331
 332         vxp->p_dev = p_dev;
 333
 334         return vxpocket_config(p_dev);
 335 }
 336
 337 static void vxpocket_detach(struct pcmcia_device *link)
 338 {
 339         struct snd_vxpocket *vxp;
 340         struct vx_core *chip;
 341
 342         if (! link)
 343                 return;
 344
 345         vxp = link->priv;
 346         chip = (struct vx_core *)vxp;
 347         card_alloc &= ~(1 << vxp->index);
 348
 349         chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
 350         snd_card_disconnect(chip->card);
 351         vxpocket_release(link);
 352         snd_card_free_when_closed(chip->card);
 353 }
 354
 355 /*
 356  * Module entry points
 357  */
 358
 359 static const struct pcmcia_device_id vxp_ids[] = {
 360         PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
 361         PCMCIA_DEVICE_NULL
 362 };
 363 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
 364
 365 static struct pcmcia_driver vxp_cs_driver = {
 366         .owner          = THIS_MODULE,
 367         .name           = "snd-vxpocket",
 368         .probe          = vxpocket_probe,
 369         .remove         = vxpocket_detach,
 370         .id_table       = vxp_ids,
 371 #ifdef CONFIG_PM
 372         .suspend        = vxp_suspend,
 373         .resume         = vxp_resume,
 374 #endif
 375 };
 376 module_pcmcia_driver(vxp_cs_driver);