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/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
  35MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>");
  36MODULE_DESCRIPTION("Digigram VXPocket");
  37MODULE_LICENSE("GPL");
  38MODULE_SUPPORTED_DEVICE("{{Digigram,VXPocket},{Digigram,VXPocket440}}");
  39
  40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;     /* Enable switches */
  43static int ibl[SNDRV_CARDS];
  44
  45module_param_array(index, int, NULL, 0444);
  46MODULE_PARM_DESC(index, "Index value for VXPocket soundcard.");
  47module_param_array(id, charp, NULL, 0444);
  48MODULE_PARM_DESC(id, "ID string for VXPocket soundcard.");
  49module_param_array(enable, bool, NULL, 0444);
  50MODULE_PARM_DESC(enable, "Enable VXPocket soundcard.");
  51module_param_array(ibl, int, NULL, 0444);
  52MODULE_PARM_DESC(ibl, "Capture IBL size for VXPocket soundcard.");
  53 
  54
  55/*
  56 */
  57
  58static unsigned int card_alloc;
  59
  60
  61/*
  62 */
  63static 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 */
  71static 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
  94static const DECLARE_TLV_DB_SCALE(db_scale_old_vol, -11350, 50, 0);
  95
  96static 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
 118static 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 */
 134static 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 */
 184static 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
 210static 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
 249failed:
 250        pcmcia_disable_device(link);
 251        return -ENODEV;
 252}
 253
 254#ifdef CONFIG_PM
 255
 256static 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
 269static 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 */
 291static 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
 331static 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
 353static const struct pcmcia_device_id vxp_ids[] = {
 354        PCMCIA_DEVICE_MANF_CARD(0x01f1, 0x0100),
 355        PCMCIA_DEVICE_NULL
 356};
 357MODULE_DEVICE_TABLE(pcmcia, vxp_ids);
 358
 359static 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
 371static int __init init_vxpocket(void)
 372{
 373        return pcmcia_register_driver(&vxp_cs_driver);
 374}
 375
 376static void __exit exit_vxpocket(void)
 377{
 378        pcmcia_unregister_driver(&vxp_cs_driver);
 379}
 380
 381module_init(init_vxpocket);
 382module_exit(exit_vxpocket);
 383