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 <sound/driver.h>
  23 #include <linux/init.h>
  24 #include <linux/moduleparam.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
  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_in_thread()
  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 struct snd_vx_hardware vxpocket_hw = {
  94         .name = "VXPocket",
  95         .type = VX_TYPE_VXPOCKET,
  96
  97         /* hardware specs */
  98         .num_codecs = 1,
  99         .num_ins = 1,
 100         .num_outs = 1,
 101         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 102 };
 103
 104 /* VX-pocket 440
 105  *
 106  * 1 DSP, 1 sync UER, 1 sync World Clock (NIY)
 107  * SMPTE (NIY)
 108  * 2 stereo analog input (line/micro)
 109  * 2 stereo analog output
 110  * Only output levels can be modified
 111  * UER, but only for the first two inputs and outputs.
 112  */
 113
 114 static struct snd_vx_hardware vxp440_hw = {
 115         .name = "VXPocket440",
 116         .type = VX_TYPE_VXP440,
 117
 118         /* hardware specs */
 119         .num_codecs = 2,
 120         .num_ins = 2,
 121         .num_outs = 2,
 122         .output_level_max = VX_ANALOG_OUT_LEVEL_MAX,
 123 };
 124
 125
 126 /*
 127  * create vxpocket instance
 128  */
 129 static struct snd_vxpocket *snd_vxpocket_new(struct snd_card *card, int ibl,
 130                                              struct pcmcia_device *link)
 131 {
 132         struct vx_core *chip;
 133         struct snd_vxpocket *vxp;
 134         static struct snd_device_ops ops = {
 135                 .dev_free =     snd_vxpocket_dev_free,
 136         };
 137
 138         chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
 139                              sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
 140         if (! chip)
 141                 return NULL;
 142
 143         if (snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops) < 0) {
 144                 kfree(chip);
 145                 return NULL;
 146         }
 147         chip->ibl.size = ibl;
 148
 149         vxp = (struct snd_vxpocket *)chip;
 150
 151         vxp->p_dev = link;
 152         link->priv = chip;
 153
 154         link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 155         link->io.NumPorts1 = 16;
 156
 157         link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 158
 159         link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 160         link->irq.Handler = &snd_vx_irq_handler;
 161         link->irq.Instance = chip;
 162
 163         link->conf.Attributes = CONF_ENABLE_IRQ;
 164         link->conf.IntType = INT_MEMORY_AND_IO;
 165         link->conf.ConfigIndex = 1;
 166         link->conf.Present = PRESENT_OPTION;
 167
 168         return vxp;
 169 }
 170
 171
 172 /**
 173  * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 174  * @port: i/o port for the card
 175  * @irq: irq number for the card
 176  *
 177  * this function assigns the specified port and irq, boot the card,
 178  * create pcm and control instances, and initialize the rest hardware.
 179  *
 180  * returns 0 if successful, or a negative error code.
 181  */
 182 static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
 183 {
 184         int err;
 185         struct snd_card *card = chip->card;
 186         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 187
 188         snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
 189         vxp->port = port;
 190
 191         sprintf(card->shortname, "Digigram %s", card->driver);
 192         sprintf(card->longname, "%s at 0x%x, irq %i",
 193                 card->shortname, port, irq);
 194
 195         chip->irq = irq;
 196
 197         if ((err = snd_vx_setup_firmware(chip)) < 0)
 198                 return err;
 199
 200         return 0;
 201 }
 202
 203
 204 /*
 205  * configuration callback
 206  */
 207
 208 #define CS_CHECK(fn, ret) \
 209 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 210
 211 static int vxpocket_config(struct pcmcia_device *link)
 212 {
 213         struct vx_core *chip = link->priv;
 214         struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 215         tuple_t tuple;
 216         cisparse_t *parse;
 217         u_short buf[32];
 218         int last_fn, last_ret;
 219
 220         snd_printdd(KERN_DEBUG "vxpocket_config called\n");
 221         parse = kmalloc(sizeof(*parse), GFP_KERNEL);
 222         if (! parse) {
 223                 snd_printk(KERN_ERR "vx: cannot allocate\n");
 224                 return -ENOMEM;
 225         }
 226         tuple.Attributes = 0;
 227         tuple.TupleData = (cisdata_t *)buf;
 228         tuple.TupleDataMax = sizeof(buf);
 229         tuple.TupleOffset = 0;
 230         tuple.DesiredTuple = CISTPL_CONFIG;
 231         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 232         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
 233         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse));
 234         link->conf.ConfigBase = parse->config.base;
 235         link->conf.Present = parse->config.rmask[0];
 236
 237         /* redefine hardware record according to the VERSION1 string */
 238         tuple.DesiredTuple = CISTPL_VERS_1;
 239         CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
 240         CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
 241         CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse));
 242         if (! strcmp(parse->version_1.str + parse->version_1.ofs[1], "VX-POCKET")) {
 243                 snd_printdd("VX-pocket is detected\n");
 244         } else {
 245                 snd_printdd("VX-pocket 440 is detected\n");
 246                 /* overwrite the hardware information */
 247                 chip->hw = &vxp440_hw;
 248                 chip->type = vxp440_hw.type;
 249                 strcpy(chip->card->driver, vxp440_hw.name);
 250         }
 251
 252         CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
 253         CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 254         CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 255
 256         chip->dev = &handle_to_dev(link);
 257         snd_card_set_dev(chip->card, chip->dev);
 258
 259         if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
 260                 goto failed;
 261
 262         link->dev_node = &vxp->node;
 263         kfree(parse);
 264         return 9;
 265
 266 cs_failed:
 267         cs_error(link, last_fn, last_ret);
 268 failed:
 269         pcmcia_disable_device(link);
 270         kfree(parse);
 271         return -ENODEV;
 272 }
 273
 274 #ifdef CONFIG_PM
 275
 276 static int vxp_suspend(struct pcmcia_device *link)
 277 {
 278         struct vx_core *chip = link->priv;
 279
 280         snd_printdd(KERN_DEBUG "SUSPEND\n");
 281         if (chip) {
 282                 snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
 283                 snd_vx_suspend(chip, PMSG_SUSPEND);
 284         }
 285
 286         return 0;
 287 }
 288
 289 static int vxp_resume(struct pcmcia_device *link)
 290 {
 291         struct vx_core *chip = link->priv;
 292
 293         snd_printdd(KERN_DEBUG "RESUME\n");
 294         if (DEV_OK(link)) {
 295                 //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 296                 if (chip) {
 297                         snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
 298                         snd_vx_resume(chip);
 299                 }
 300         }
 301         snd_printdd(KERN_DEBUG "resume done!\n");
 302
 303         return 0;
 304 }
 305
 306 #endif
 307
 308
 309 /*
 310  */
 311 static int vxpocket_probe(struct pcmcia_device *p_dev)
 312 {
 313         struct snd_card *card;
 314         struct snd_vxpocket *vxp;
 315         int i;
 316
 317         /* find an empty slot from the card list */
 318         for (i = 0; i < SNDRV_CARDS; i++) {
 319                 if (! card_alloc & (1 << i))
 320                         break;
 321         }
 322         if (i >= SNDRV_CARDS) {
 323                 snd_printk(KERN_ERR "vxpocket: too many cards found\n");
 324                 return -EINVAL;
 325         }
 326         if (! enable[i])
 327                 return -ENODEV; /* disabled explicitly */
 328
 329         /* ok, create a card instance */
 330         card = snd_card_new(index[i], id[i], THIS_MODULE, 0);
 331         if (card == NULL) {
 332                 snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
 333                 return -ENOMEM;
 334         }
 335
 336         vxp = snd_vxpocket_new(card, ibl[i], p_dev);
 337         if (! vxp) {
 338                 snd_card_free(card);
 339                 return -ENODEV;
 340         }
 341         card->private_data = vxp;
 342
 343         vxp->index = i;
 344         card_alloc |= 1 << i;
 345
 346         vxp->p_dev = p_dev;
 347
 348         return vxpocket_config(p_dev);
 349 }
 350
 351 static void vxpocket_detach(struct pcmcia_device *link)
 352 {
 353         struct snd_vxpocket *vxp;
 354         struct vx_core *chip;
 355
 356         if (! link)
 357                 return;
 358
 359         vxp = link->priv;
 360         chip = (struct vx_core *)vxp;
 361         card_alloc &= ~(1 << vxp->index);
 362
 363         chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
 364         snd_card_disconnect(chip->card);
 365         vxpocket_release(link);
 366         snd_card_free_in_thread(chip->card);
 367 }
 368
 369 /*
 370  * Module entry points
 371  */
 372
 373 static struct pcmcia_device_id vxp_ids[] = {
 374         PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
 375         PCMCIA_DEVICE_NULL
 376 };
 377 MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
 378
 379 static struct pcmcia_driver vxp_cs_driver = {
 380         .owner          = THIS_MODULE,
 381         .drv            = {
 382                 .name   = "snd-vxpocket",
 383         },
 384         .probe          = vxpocket_probe,
 385         .remove         = vxpocket_detach,
 386         .id_table       = vxp_ids,
 387 #ifdef CONFIG_PM
 388         .suspend        = vxp_suspend,
 389         .resume         = vxp_resume,
 390 #endif
 391 };
 392
 393 static int __init init_vxpocket(void)
 394 {
 395         return pcmcia_register_driver(&vxp_cs_driver);
 396 }
 397
 398 static void __exit exit_vxpocket(void)
 399 {
 400         pcmcia_unregister_driver(&vxp_cs_driver);
 401 }
 402
 403 module_init(init_vxpocket);
 404 module_exit(exit_vxpocket);