linux/sound/isa/es1688/es1688.c
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   1/*
   2 *  Driver for generic ESS AudioDrive ESx688 soundcards
   3 *  Copyright (c) by Jaroslav Kysela <perex@perex.cz>
   4 *
   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/err.h>
  24#include <linux/isa.h>
  25#include <linux/isapnp.h>
  26#include <linux/time.h>
  27#include <linux/wait.h>
  28#include <linux/moduleparam.h>
  29#include <asm/dma.h>
  30#include <sound/core.h>
  31#include <sound/es1688.h>
  32#include <sound/mpu401.h>
  33#include <sound/opl3.h>
  34#define SNDRV_LEGACY_FIND_FREE_IRQ
  35#define SNDRV_LEGACY_FIND_FREE_DMA
  36#include <sound/initval.h>
  37
  38#define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
  39#define DEV_NAME "es1688"
  40
  41MODULE_DESCRIPTION(CRD_NAME);
  42MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
  43MODULE_LICENSE("GPL");
  44MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
  45                "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
  46                "{ESS,ES688 AudioDrive,pnp:ESS6881},"
  47                "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
  48
  49MODULE_ALIAS("snd_es968");
  50
  51static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  52static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  53#ifdef CONFIG_PNP
  54static int isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
  55#endif
  56static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
  57static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260 */
  58static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* Usually 0x388 */
  59static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
  60static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */
  61static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 5,7,9,10 */
  62static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3 */
  63
  64module_param_array(index, int, NULL, 0444);
  65MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
  66module_param_array(id, charp, NULL, 0444);
  67MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
  68module_param_array(enable, bool, NULL, 0444);
  69#ifdef CONFIG_PNP
  70module_param_array(isapnp, bool, NULL, 0444);
  71MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
  72#endif
  73MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
  74module_param_array(port, long, NULL, 0444);
  75MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
  76module_param_array(mpu_port, long, NULL, 0444);
  77MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
  78module_param_array(irq, int, NULL, 0444);
  79module_param_array(fm_port, long, NULL, 0444);
  80MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
  81MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
  82module_param_array(mpu_irq, int, NULL, 0444);
  83MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
  84module_param_array(dma8, int, NULL, 0444);
  85MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
  86
  87#ifdef CONFIG_PNP
  88#define is_isapnp_selected(dev)         isapnp[dev]
  89#else
  90#define is_isapnp_selected(dev)         0
  91#endif
  92
  93static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
  94{
  95        return enable[n] && !is_isapnp_selected(n);
  96}
  97
  98static int __devinit snd_es1688_legacy_create(struct snd_card *card,
  99                                        struct device *dev, unsigned int n)
 100{
 101        struct snd_es1688 *chip = card->private_data;
 102        static long possible_ports[] = {0x220, 0x240, 0x260};
 103        static int possible_irqs[] = {5, 9, 10, 7, -1};
 104        static int possible_dmas[] = {1, 3, 0, -1};
 105
 106        int i, error;
 107
 108        if (irq[n] == SNDRV_AUTO_IRQ) {
 109                irq[n] = snd_legacy_find_free_irq(possible_irqs);
 110                if (irq[n] < 0) {
 111                        dev_err(dev, "unable to find a free IRQ\n");
 112                        return -EBUSY;
 113                }
 114        }
 115        if (dma8[n] == SNDRV_AUTO_DMA) {
 116                dma8[n] = snd_legacy_find_free_dma(possible_dmas);
 117                if (dma8[n] < 0) {
 118                        dev_err(dev, "unable to find a free DMA\n");
 119                        return -EBUSY;
 120                }
 121        }
 122
 123        if (port[n] != SNDRV_AUTO_PORT)
 124                return snd_es1688_create(card, chip, port[n], mpu_port[n],
 125                                irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
 126
 127        i = 0;
 128        do {
 129                port[n] = possible_ports[i];
 130                error = snd_es1688_create(card, chip, port[n], mpu_port[n],
 131                                irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
 132        } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
 133
 134        return error;
 135}
 136
 137static int __devinit snd_es1688_probe(struct snd_card *card, unsigned int n)
 138{
 139        struct snd_es1688 *chip = card->private_data;
 140        struct snd_opl3 *opl3;
 141        struct snd_pcm *pcm;
 142        int error;
 143
 144        error = snd_es1688_pcm(card, chip, 0, &pcm);
 145        if (error < 0)
 146                return error;
 147
 148        error = snd_es1688_mixer(card, chip);
 149        if (error < 0)
 150                return error;
 151
 152        strlcpy(card->driver, "ES1688", sizeof(card->driver));
 153        strlcpy(card->shortname, pcm->name, sizeof(card->shortname));
 154        snprintf(card->longname, sizeof(card->longname),
 155                "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port,
 156                 chip->irq, chip->dma8);
 157
 158        if (fm_port[n] == SNDRV_AUTO_PORT)
 159                fm_port[n] = port[n];   /* share the same port */
 160
 161        if (fm_port[n] > 0) {
 162                if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
 163                                OPL3_HW_OPL3, 0, &opl3) < 0)
 164                        dev_warn(card->dev,
 165                                 "opl3 not detected at 0x%lx\n", fm_port[n]);
 166                else {
 167                        error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 168                        if (error < 0)
 169                                return error;
 170                }
 171        }
 172
 173        if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
 174                        chip->mpu_port > 0) {
 175                error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
 176                                chip->mpu_port, 0,
 177                                mpu_irq[n], IRQF_DISABLED, NULL);
 178                if (error < 0)
 179                        return error;
 180        }
 181
 182        return snd_card_register(card);
 183}
 184
 185static int __devinit snd_es1688_isa_probe(struct device *dev, unsigned int n)
 186{
 187        struct snd_card *card;
 188        int error;
 189
 190        error = snd_card_create(index[n], id[n], THIS_MODULE,
 191                                sizeof(struct snd_es1688), &card);
 192        if (error < 0)
 193                return error;
 194
 195        error = snd_es1688_legacy_create(card, dev, n);
 196        if (error < 0)
 197                goto out;
 198
 199        snd_card_set_dev(card, dev);
 200
 201        error = snd_es1688_probe(card, n);
 202        if (error < 0)
 203                goto out;
 204
 205        dev_set_drvdata(dev, card);
 206
 207        return 0;
 208out:
 209        snd_card_free(card);
 210        return error;
 211}
 212
 213static int __devexit snd_es1688_isa_remove(struct device *dev, unsigned int n)
 214{
 215        snd_card_free(dev_get_drvdata(dev));
 216        dev_set_drvdata(dev, NULL);
 217        return 0;
 218}
 219
 220static struct isa_driver snd_es1688_driver = {
 221        .match          = snd_es1688_match,
 222        .probe          = snd_es1688_isa_probe,
 223        .remove         = __devexit_p(snd_es1688_isa_remove),
 224#if 0   /* FIXME */
 225        .suspend        = snd_es1688_suspend,
 226        .resume         = snd_es1688_resume,
 227#endif
 228        .driver         = {
 229                .name   = DEV_NAME
 230        }
 231};
 232
 233static int snd_es968_pnp_is_probed;
 234
 235#ifdef CONFIG_PNP
 236static int __devinit snd_card_es968_pnp(struct snd_card *card, unsigned int n,
 237                                        struct pnp_card_link *pcard,
 238                                        const struct pnp_card_device_id *pid)
 239{
 240        struct snd_es1688 *chip = card->private_data;
 241        struct pnp_dev *pdev;
 242        int error;
 243
 244        pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
 245        if (pdev == NULL)
 246                return -ENODEV;
 247
 248        error = pnp_activate_dev(pdev);
 249        if (error < 0) {
 250                snd_printk(KERN_ERR "ES968 pnp configure failure\n");
 251                return error;
 252        }
 253        port[n] = pnp_port_start(pdev, 0);
 254        dma8[n] = pnp_dma(pdev, 0);
 255        irq[n] = pnp_irq(pdev, 0);
 256
 257        return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
 258                                 mpu_irq[n], dma8[n], ES1688_HW_AUTO);
 259}
 260
 261static int __devinit snd_es968_pnp_detect(struct pnp_card_link *pcard,
 262                                          const struct pnp_card_device_id *pid)
 263{
 264        struct snd_card *card;
 265        static unsigned int dev;
 266        int error;
 267        struct snd_es1688 *chip;
 268
 269        if (snd_es968_pnp_is_probed)
 270                return -EBUSY;
 271        for ( ; dev < SNDRV_CARDS; dev++) {
 272                if (enable[dev] && isapnp[dev])
 273                        break;
 274        }
 275        if (dev == SNDRV_CARDS)
 276                return -ENODEV;
 277
 278        error = snd_card_create(index[dev], id[dev], THIS_MODULE,
 279                                sizeof(struct snd_es1688), &card);
 280        if (error < 0)
 281                return error;
 282        chip = card->private_data;
 283
 284        error = snd_card_es968_pnp(card, dev, pcard, pid);
 285        if (error < 0) {
 286                snd_card_free(card);
 287                return error;
 288        }
 289        snd_card_set_dev(card, &pcard->card->dev);
 290        error = snd_es1688_probe(card, dev);
 291        if (error < 0)
 292                return error;
 293        pnp_set_card_drvdata(pcard, card);
 294        snd_es968_pnp_is_probed = 1;
 295        return 0;
 296}
 297
 298static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
 299{
 300        snd_card_free(pnp_get_card_drvdata(pcard));
 301        pnp_set_card_drvdata(pcard, NULL);
 302        snd_es968_pnp_is_probed = 0;
 303}
 304
 305#ifdef CONFIG_PM
 306static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
 307                                 pm_message_t state)
 308{
 309        struct snd_card *card = pnp_get_card_drvdata(pcard);
 310        struct snd_es1688 *chip = card->private_data;
 311
 312        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 313        snd_pcm_suspend_all(chip->pcm);
 314        return 0;
 315}
 316
 317static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
 318{
 319        struct snd_card *card = pnp_get_card_drvdata(pcard);
 320        struct snd_es1688 *chip = card->private_data;
 321
 322        snd_es1688_reset(chip);
 323        snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 324        return 0;
 325}
 326#endif
 327
 328static struct pnp_card_device_id snd_es968_pnpids[] = {
 329        { .id = "ESS0968", .devs = { { "@@@0968" }, } },
 330        { .id = "ESS0968", .devs = { { "ESS0968" }, } },
 331        { .id = "", } /* end */
 332};
 333
 334MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
 335
 336static struct pnp_card_driver es968_pnpc_driver = {
 337        .flags          = PNP_DRIVER_RES_DISABLE,
 338        .name           = DEV_NAME " PnP",
 339        .id_table       = snd_es968_pnpids,
 340        .probe          = snd_es968_pnp_detect,
 341        .remove         = __devexit_p(snd_es968_pnp_remove),
 342#ifdef CONFIG_PM
 343        .suspend        = snd_es968_pnp_suspend,
 344        .resume         = snd_es968_pnp_resume,
 345#endif
 346};
 347#endif
 348
 349static int __init alsa_card_es1688_init(void)
 350{
 351#ifdef CONFIG_PNP
 352        pnp_register_card_driver(&es968_pnpc_driver);
 353        if (snd_es968_pnp_is_probed)
 354                return 0;
 355        pnp_unregister_card_driver(&es968_pnpc_driver);
 356#endif
 357        return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
 358}
 359
 360static void __exit alsa_card_es1688_exit(void)
 361{
 362        if (!snd_es968_pnp_is_probed) {
 363                isa_unregister_driver(&snd_es1688_driver);
 364                return;
 365        }
 366#ifdef CONFIG_PNP
 367        pnp_unregister_card_driver(&es968_pnpc_driver);
 368#endif
 369}
 370
 371module_init(alsa_card_es1688_init);
 372module_exit(alsa_card_es1688_exit);
 373