Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

    dt019x.c - driver for Diamond Technologies DT-0197H based soundcards.

    Copyright (C) 1999, 2002 by Massimo Piccioni <dafastidio@libero.it>

    Generalised for soundcards based on DT-0196 and ALS-007 chips

    by Jonathan Woithe <jwoithe@physics.adelaide.edu.au>: June 2002.

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License

    along with this program; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

*/

#include <sound/driver.h>

#include <linux/init.h>

#include <linux/wait.h>

#include <linux/pnp.h>

#include <linux/moduleparam.h>

#include <sound/core.h>

#include <sound/initval.h>

#include <sound/mpu401.h>

#include <sound/opl3.h>

#include <sound/sb.h>

#define PFX "dt019x: "

MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");

MODULE_DESCRIPTION("Diamond Technologies DT-019X / Avance Logic ALS-007");

MODULE_LICENSE("GPL");

MODULE_SUPPORTED_DEVICE("{{Diamond Technologies DT-019X},"

               "{Avance Logic ALS-007}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */

static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */

static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */

static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* PnP setup */

static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */

static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */

static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* PnP setup */

static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* PnP setup */

static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* PnP setup */

module_param_array(index, int, NULL, 0444);

MODULE_PARM_DESC(index, "Index value for DT-019X based soundcard.");

module_param_array(id, charp, NULL, 0444);

MODULE_PARM_DESC(id, "ID string for DT-019X based soundcard.");

module_param_array(enable, bool, NULL, 0444);

MODULE_PARM_DESC(enable, "Enable DT-019X based soundcard.");

module_param_array(port, long, NULL, 0444);

MODULE_PARM_DESC(port, "Port # for dt019x driver.");

module_param_array(mpu_port, long, NULL, 0444);

MODULE_PARM_DESC(mpu_port, "MPU-401 port # for dt019x driver.");

module_param_array(fm_port, long, NULL, 0444);

MODULE_PARM_DESC(fm_port, "FM port # for dt019x driver.");

module_param_array(irq, int, NULL, 0444);

MODULE_PARM_DESC(irq, "IRQ # for dt019x driver.");

module_param_array(mpu_irq, int, NULL, 0444);

MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for dt019x driver.");

module_param_array(dma8, int, NULL, 0444);

MODULE_PARM_DESC(dma8, "8-bit DMA # for dt019x driver.");

struct snd_card_dt019x {

        struct pnp_dev *dev;

        struct pnp_dev *devmpu;

        struct pnp_dev *devopl;

        struct snd_sb *chip;

};

static struct pnp_card_device_id snd_dt019x_pnpids[] = {

        /* DT197A30 */

        { .id = "RWB1688", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" }, } },

        /* DT0196 / ALS-007 */

        { .id = "ALS0007", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" }, } },

        { .id = "",  }

};

MODULE_DEVICE_TABLE(pnp_card, snd_dt019x_pnpids);

#define DRIVER_NAME     "snd-card-dt019x"

static int __devinit snd_card_dt019x_pnp(int dev, struct snd_card_dt019x *acard,

                                         struct pnp_card_link *card,

                                         const struct pnp_card_device_id *pid)

{

        struct pnp_dev *pdev;

        struct pnp_resource_table * cfg = kmalloc(sizeof(struct pnp_resource_table), GFP_KERNEL);

        int err;

        if (!cfg)

                return -ENOMEM;

        acard->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);

        if (acard->dev == NULL) {

                kfree (cfg);

                return -ENODEV;

        }

        acard->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);

        acard->devopl = pnp_request_card_device(card, pid->devs[2].id, NULL);

        pdev = acard->dev;

        pnp_init_resource_table(cfg);

        if (port[dev] != SNDRV_AUTO_PORT)

                pnp_resource_change(&cfg->port_resource[0], port[dev], 16);

        if (dma8[dev] != SNDRV_AUTO_DMA)

                pnp_resource_change(&cfg->dma_resource[0], dma8[dev], 1);

        if (irq[dev] != SNDRV_AUTO_IRQ)

                pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);

        if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)

                snd_printk(KERN_ERR PFX "DT-019X AUDIO the requested resources are invalid, using auto config\n");

        err = pnp_activate_dev(pdev);

        if (err < 0) {

                snd_printk(KERN_ERR PFX "DT-019X AUDIO pnp configure failure\n");

                kfree(cfg);

                return err;

        }

        port[dev] = pnp_port_start(pdev, 0);

        dma8[dev] = pnp_dma(pdev, 0);

        irq[dev] = pnp_irq(pdev, 0);

        snd_printdd("dt019x: found audio interface: port=0x%lx, irq=0x%x, dma=0x%x\n",

                        port[dev],irq[dev],dma8[dev]);

        pdev = acard->devmpu;

        if (pdev != NULL) {

                pnp_init_resource_table(cfg);

                if (mpu_port[dev] != SNDRV_AUTO_PORT)

                        pnp_resource_change(&cfg->port_resource[0], mpu_port[dev], 2);

                if (mpu_irq[dev] != SNDRV_AUTO_IRQ)

                        pnp_resource_change(&cfg->irq_resource[0], mpu_irq[dev], 1);

                if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)

                        snd_printk(KERN_ERR PFX "DT-019X MPU401 the requested resources are invalid, using auto config\n");

                err = pnp_activate_dev(pdev);

                if (err < 0) {

                        pnp_release_card_device(pdev);

                        snd_printk(KERN_ERR PFX "DT-019X MPU401 pnp configure failure, skipping\n");

                        goto __mpu_error;

                }

                mpu_port[dev] = pnp_port_start(pdev, 0);

                mpu_irq[dev] = pnp_irq(pdev, 0);

                snd_printdd("dt019x: found MPU-401: port=0x%lx, irq=0x%x\n",

                                mpu_port[dev],mpu_irq[dev]);

        } else {

        __mpu_error:

                acard->devmpu = NULL;

                mpu_port[dev] = -1;

        }

        pdev = acard->devopl;

        if (pdev != NULL) {

                pnp_init_resource_table(cfg);

                if (fm_port[dev] != SNDRV_AUTO_PORT)

                        pnp_resource_change(&cfg->port_resource[0], fm_port[dev], 4);

                if ((pnp_manual_config_dev(pdev, cfg, 0)) < 0)

                        snd_printk(KERN_ERR PFX "DT-019X OPL3 the requested resources are invalid, using auto config\n");

                err = pnp_activate_dev(pdev);

                if (err < 0) {

                        pnp_release_card_device(pdev);

                        snd_printk(KERN_ERR PFX "DT-019X OPL3 pnp configure failure, skipping\n");

                        goto __fm_error;

                }

                fm_port[dev] = pnp_port_start(pdev, 0);

                snd_printdd("dt019x: found OPL3 synth: port=0x%lx\n",fm_port[dev]);

        } else {

        __fm_error:

                acard->devopl = NULL;

                fm_port[dev] = -1;

        }

        kfree(cfg);

        return 0;

}

static int __devinit snd_card_dt019x_probe(int dev, struct pnp_card_link *pcard, const struct pnp_card_device_id *pid)

{

        int error;

        struct snd_sb *chip;

        struct snd_card *card;

        struct snd_card_dt019x *acard;

        struct snd_opl3 *opl3;

        if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,

                                 sizeof(struct snd_card_dt019x))) == NULL)

                return -ENOMEM;

        acard = card->private_data;

        snd_card_set_dev(card, &pcard->card->dev);

        if ((error = snd_card_dt019x_pnp(dev, acard, pcard, pid))) {

                snd_card_free(card);

                return error;

        }

        if ((error = snd_sbdsp_create(card, port[dev],

                                      irq[dev],

                                      snd_sb16dsp_interrupt,

                                      dma8[dev],

                                      -1,

                                      SB_HW_DT019X,

                                      &chip)) < 0) {

                snd_card_free(card);

                return error;

        }

        acard->chip = chip;

        strcpy(card->driver, "DT-019X");

        strcpy(card->shortname, "Diamond Tech. DT-019X");

        sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",

                card->shortname, chip->name, chip->port,

                irq[dev], dma8[dev]);

        if ((error = snd_sb16dsp_pcm(chip, 0, NULL)) < 0) {

                snd_card_free(card);

                return error;

        }

        if ((error = snd_sbmixer_new(chip)) < 0) {

                snd_card_free(card);

                return error;

        }

        if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {

                if (mpu_irq[dev] == SNDRV_AUTO_IRQ)

                        mpu_irq[dev] = -1;

                if (snd_mpu401_uart_new(card, 0,

/*                                      MPU401_HW_SB,*/

                                        MPU401_HW_MPU401,

                                        mpu_port[dev], 0,

                                        mpu_irq[dev],

                                        mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0,

                                        NULL) < 0)

                        snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx ?\n", mpu_port[dev]);

        }

        if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {

                if (snd_opl3_create(card,

                                    fm_port[dev],

                                    fm_port[dev] + 2,

                                    OPL3_HW_AUTO, 0, &opl3) < 0) {

                        snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx ?\n",

                                   fm_port[dev], fm_port[dev] + 2);

                } else {

                        if ((error = snd_opl3_timer_new(opl3, 0, 1)) < 0) {

                                snd_card_free(card);

                                return error;

                        }

                        if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {

                                snd_card_free(card);

                                return error;

                        }

                }

        }

        if ((error = snd_card_register(card)) < 0) {

                snd_card_free(card);

                return error;

        }

        pnp_set_card_drvdata(pcard, card);

        return 0;

}

static unsigned int __devinitdata dt019x_devices;

static int __devinit snd_dt019x_pnp_probe(struct pnp_card_link *card,

                                          const struct pnp_card_device_id *pid)

{

        static int dev;

        int res;

        for ( ; dev < SNDRV_CARDS; dev++) {

                if (!enable[dev])

                        continue;

                res = snd_card_dt019x_probe(dev, card, pid);

                if (res < 0)

                        return res;

                dev++;

                dt019x_devices++;

                return 0;

        }

        return -ENODEV;

}

static void __devexit snd_dt019x_pnp_remove(struct pnp_card_link * pcard)

{

        snd_card_free(pnp_get_card_drvdata(pcard));

        pnp_set_card_drvdata(pcard, NULL);

}

#ifdef CONFIG_PM

static int snd_dt019x_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)

{

        struct snd_card *card = pnp_get_card_drvdata(pcard);

        struct snd_card_dt019x *acard = card->private_data;

        struct snd_sb *chip = acard->chip;

        snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);

        snd_pcm_suspend_all(chip->pcm);

        snd_sbmixer_suspend(chip);

        return 0;

}

static int snd_dt019x_pnp_resume(struct pnp_card_link *pcard)

{

        struct snd_card *card = pnp_get_card_drvdata(pcard);

        struct snd_card_dt019x *acard = card->private_data;

        struct snd_sb *chip = acard->chip;

        snd_sbdsp_reset(chip);

        snd_sbmixer_resume(chip);

        snd_power_change_state(card, SNDRV_CTL_POWER_D0);

        return 0;

}

#endif

static struct pnp_card_driver dt019x_pnpc_driver = {

        .flags          = PNP_DRIVER_RES_DISABLE,

        .name           = "dt019x",

        .id_table       = snd_dt019x_pnpids,

        .probe          = snd_dt019x_pnp_probe,

        .remove         = __devexit_p(snd_dt019x_pnp_remove),

#ifdef CONFIG_PM

        .suspend        = snd_dt019x_pnp_suspend,

        .resume         = snd_dt019x_pnp_resume,

#endif

};

static int __init alsa_card_dt019x_init(void)

{

        int err;

        err = pnp_register_card_driver(&dt019x_pnpc_driver);

        if (err)

                return err;

        if (!dt019x_devices) {

                pnp_unregister_card_driver(&dt019x_pnpc_driver);

#ifdef MODULE

                snd_printk(KERN_ERR "no DT-019X / ALS-007 based soundcards found\n");

#endif

                return -ENODEV;

        }

        return 0;

}

static void __exit alsa_card_dt019x_exit(void)

{

        pnp_unregister_card_driver(&dt019x_pnpc_driver);

}

module_init(alsa_card_dt019x_init)

module_exit(alsa_card_dt019x_exit)