LXR linux/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
  34MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
  35MODULE_DESCRIPTION("Digigram VXPocket");
  36MODULE_LICENSE("GPL");
  37MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
  38
  39static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  40static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  41static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable switches */
  42static int ibl[SNDRV_CARDS];
  43
  44module_param_array(index, int, NULL, 0444);
  45MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
  46module_param_array(id, charp, NULL, 0444);
  47MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
  48module_param_array(enable, bool, NULL, 0444);
  49MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
  50module_param_array(ibl, int, NULL, 0444);
  51MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
  52 
  53
  54/*
  55 */
  56
  57static unsigned int card_alloc;
  58
  59
  60/*
  61 */
  62static 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 */
  70static 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
  93static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
  94
  95static 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
 117static 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 */
 133static int snd_vxpocket_new(struct snd_card *card, int ibl,
 134                            struct pcmcia_device *link,
 135                            struct snd_vxpocket **chip_ret)
 136{
 137        struct vx_core *chip;
 138        struct snd_vxpocket *vxp;
 139        static struct snd_device_ops ops = {
 140                .dev_free =     snd_vxpocket_dev_free,
 141        };
 142        int err;
 143
 144        chip = snd_vx_create(card, &vxpocket_hw, &snd_vxpocket_ops,
 145                             sizeof(struct snd_vxpocket) - sizeof(struct vx_core));
 146        if (!chip)
 147                return -ENOMEM;
 148
 149        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
 150        if (err < 0) {
 151                kfree(chip);
 152                return err;
 153        }
 154        chip->ibl.size = ibl;
 155
 156        vxp = (struct snd_vxpocket *)chip;
 157
 158        vxp->p_dev = link;
 159        link->priv = chip;
 160
 161        link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 162        link->io.NumPorts1 = 16;
 163
 164        link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
 165
 166        link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 167        link->irq.Handler = &snd_vx_irq_handler;
 168        link->irq.Instance = chip;
 169
 170        link->conf.Attributes = CONF_ENABLE_IRQ;
 171        link->conf.IntType = INT_MEMORY_AND_IO;
 172        link->conf.ConfigIndex = 1;
 173        link->conf.Present = PRESENT_OPTION;
 174
 175        *chip_ret = vxp;
 176        return 0;
 177}
 178
 179
 180/**
 181 * snd_vxpocket_assign_resources - initialize the hardware and card instance.
 182 * @port: i/o port for the card
 183 * @irq: irq number for the card
 184 *
 185 * this function assigns the specified port and irq, boot the card,
 186 * create pcm and control instances, and initialize the rest hardware.
 187 *
 188 * returns 0 if successful, or a negative error code.
 189 */
 190static int snd_vxpocket_assign_resources(struct vx_core *chip, int port, int irq)
 191{
 192        int err;
 193        struct snd_card *card = chip->card;
 194        struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 195
 196        snd_printdd(KERN_DEBUG "vxpocket assign resources: port = 0x%x, irq = %d\n", port, irq);
 197        vxp->port = port;
 198
 199        sprintf(card->shortname, "Digigram %s", card->driver);
 200        sprintf(card->longname, "%s at 0x%x, irq %i",
 201                card->shortname, port, irq);
 202
 203        chip->irq = irq;
 204
 205        if ((err = snd_vx_setup_firmware(chip)) < 0)
 206                return err;
 207
 208        return 0;
 209}
 210
 211
 212/*
 213 * configuration callback
 214 */
 215
 216#define CS_CHECK(fn, ret) \
 217do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
 218
 219static int vxpocket_config(struct pcmcia_device *link)
 220{
 221        struct vx_core *chip = link->priv;
 222        struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 223        int last_fn, last_ret;
 224
 225        snd_printdd(KERN_DEBUG "vxpocket_config called\n");
 226
 227        /* redefine hardware record according to the VERSION1 string */
 228        if (!strcmp(link->prod_id[1], "VX-POCKET")) {
 229                snd_printdd("VX-pocket is detected\n");
 230        } else {
 231                snd_printdd("VX-pocket 440 is detected\n");
 232                /* overwrite the hardware information */
 233                chip->hw = &vxp440_hw;
 234                chip->type = vxp440_hw.type;
 235                strcpy(chip->card->driver, vxp440_hw.name);
 236        }
 237
 238        CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
 239        CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
 240        CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
 241
 242        chip->dev = &handle_to_dev(link);
 243        snd_card_set_dev(chip->card, chip->dev);
 244
 245        if (snd_vxpocket_assign_resources(chip, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
 246                goto failed;
 247
 248        link->dev_node = &vxp->node;
 249        return 0;
 250
 251cs_failed:
 252        cs_error(link, last_fn, last_ret);
 253failed:
 254        pcmcia_disable_device(link);
 255        return -ENODEV;
 256}
 257
 258#ifdef CONFIG_PM
 259
 260static int vxp_suspend(struct pcmcia_device *link)
 261{
 262        struct vx_core *chip = link->priv;
 263
 264        snd_printdd(KERN_DEBUG "SUSPEND\n");
 265        if (chip) {
 266                snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
 267                snd_vx_suspend(chip, PMSG_SUSPEND);
 268        }
 269
 270        return 0;
 271}
 272
 273static int vxp_resume(struct pcmcia_device *link)
 274{
 275        struct vx_core *chip = link->priv;
 276
 277        snd_printdd(KERN_DEBUG "RESUME\n");
 278        if (pcmcia_dev_present(link)) {
 279                //struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
 280                if (chip) {
 281                        snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
 282                        snd_vx_resume(chip);
 283                }
 284        }
 285        snd_printdd(KERN_DEBUG "resume done!\n");
 286
 287        return 0;
 288}
 289
 290#endif
 291
 292
 293/*
 294 */
 295static int vxpocket_probe(struct pcmcia_device *p_dev)
 296{
 297        struct snd_card *card;
 298        struct snd_vxpocket *vxp;
 299        int i, err;
 300
 301        /* find an empty slot from the card list */
 302        for (i = 0; i < SNDRV_CARDS; i++) {
 303                if (!(card_alloc & (1 << i)))
 304                        break;
 305        }
 306        if (i >= SNDRV_CARDS) {
 307                snd_printk(KERN_ERR "vxpocket: too many cards found\n");
 308                return -EINVAL;
 309        }
 310        if (! enable[i])
 311                return -ENODEV; /* disabled explicitly */
 312
 313        /* ok, create a card instance */
 314        err = snd_card_create(index[i], id[i], THIS_MODULE, 0, &card);
 315        if (err < 0) {
 316                snd_printk(KERN_ERR "vxpocket: cannot create a card instance\n");
 317                return err;
 318        }
 319
 320        err = snd_vxpocket_new(card, ibl[i], p_dev, &vxp);
 321        if (err < 0) {
 322                snd_card_free(card);
 323                return err;
 324        }
 325        card->private_data = vxp;
 326
 327        vxp->index = i;
 328        card_alloc |= 1 << i;
 329
 330        vxp->p_dev = p_dev;
 331
 332        return vxpocket_config(p_dev);
 333}
 334
 335static void vxpocket_detach(struct pcmcia_device *link)
 336{
 337        struct snd_vxpocket *vxp;
 338        struct vx_core *chip;
 339
 340        if (! link)
 341                return;
 342
 343        vxp = link->priv;
 344        chip = (struct vx_core *)vxp;
 345        card_alloc &= ~(1 << vxp->index);
 346
 347        chip->chip_status |= VX_STAT_IS_STALE; /* to be sure */
 348        snd_card_disconnect(chip->card);
 349        vxpocket_release(link);
 350        snd_card_free_when_closed(chip->card);
 351}
 352
 353/*
 354 * Module entry points
 355 */
 356
 357static struct pcmcia_device_id vxp_ids[] = {
 358        PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
 359        PCMCIA_DEVICE_NULL
 360};
 361MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
 362
 363static struct pcmcia_driver vxp_cs_driver = {
 364        .owner          = THIS_MODULE,
 365        .drv            = {
 366                .name   = "snd-vxpocket",
 367        },
 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
 377static int __init init_vxpocket(void)
 378{
 379        return pcmcia_register_driver(&vxp_cs_driver);
 380}
 381
 382static void __exit exit_vxpocket(void)
 383{
 384        pcmcia_unregister_driver(&vxp_cs_driver);
 385}
 386
 387module_init(init_vxpocket);
 388module_exit(exit_vxpocket);
 389