diff options
Diffstat (limited to 'sound/isa/sb/es968.c')
| -rw-r--r-- | sound/isa/sb/es968.c | 235 |
1 files changed, 235 insertions, 0 deletions
diff --git a/sound/isa/sb/es968.c b/sound/isa/sb/es968.c new file mode 100644 index 000000000000..c859917c14db --- /dev/null +++ b/sound/isa/sb/es968.c @@ -0,0 +1,235 @@ + +/* + card-es968.c - driver for ESS AudioDrive ES968 based soundcards. + Copyright (C) 1999 by Massimo Piccioni <dafastidio@libero.it> + + Thanks to Pierfrancesco 'qM2' Passerini. + + 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/time.h> +#include <linux/pnp.h> +#include <linux/moduleparam.h> +#include <sound/core.h> +#include <sound/initval.h> +#include <sound/sb.h> + +#define PFX "es968: " + +MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>"); +MODULE_DESCRIPTION("ESS AudioDrive ES968"); +MODULE_LICENSE("GPL"); +MODULE_SUPPORTED_DEVICE("{{ESS,AudioDrive ES968}}"); + +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_ISAPNP; /* Enable this card */ +static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ +static int 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 es968 based soundcard."); +module_param_array(id, charp, NULL, 0444); +MODULE_PARM_DESC(id, "ID string for es968 based soundcard."); +module_param_array(enable, bool, NULL, 0444); +MODULE_PARM_DESC(enable, "Enable es968 based soundcard."); +module_param_array(port, long, NULL, 0444); +MODULE_PARM_DESC(port, "Port # for es968 driver."); +module_param_array(irq, int, NULL, 0444); +MODULE_PARM_DESC(irq, "IRQ # for es968 driver."); +module_param_array(dma8, int, NULL, 0444); +MODULE_PARM_DESC(dma8, "8-bit DMA # for es968 driver."); + +struct snd_card_es968 { + struct pnp_dev *dev; +}; + +static struct pnp_card_device_id snd_es968_pnpids[] = { + { .id = "ESS0968", .devs = { { "@@@0968" }, } }, + { .id = "", } /* end */ +}; + +MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids); + +#define DRIVER_NAME "snd-card-es968" + +static irqreturn_t snd_card_es968_interrupt(int irq, void *dev_id, + struct pt_regs *regs) +{ + sb_t *chip = dev_id; + + if (chip->open & SB_OPEN_PCM) { + return snd_sb8dsp_interrupt(chip); + } else { + return snd_sb8dsp_midi_interrupt(chip); + } +} + +static int __devinit snd_card_es968_pnp(int dev, struct snd_card_es968 *acard, + struct pnp_card_link *card, + const struct pnp_card_device_id *id) +{ + struct pnp_dev *pdev; + struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL); + int err; + if (!cfg) + return -ENOMEM; + acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL); + if (acard->dev == NULL) { + kfree(cfg); + return -ENODEV; + } + + pdev = acard->dev; + + pnp_init_resource_table(cfg); + + /* override resources */ + 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 "AUDIO the requested resources are invalid, using auto config\n"); + err = pnp_activate_dev(pdev); + if (err < 0) { + snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n"); + kfree(cfg); + return err; + } + port[dev] = pnp_port_start(pdev, 0); + dma8[dev] = pnp_dma(pdev, 1); + irq[dev] = pnp_irq(pdev, 0); + + kfree(cfg); + return 0; +} + +static int __init snd_card_es968_probe(int dev, + struct pnp_card_link *pcard, + const struct pnp_card_device_id *pid) +{ + int error; + sb_t *chip; + snd_card_t *card; + struct snd_card_es968 *acard; + + if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE, + sizeof(struct snd_card_es968))) == NULL) + return -ENOMEM; + acard = (struct snd_card_es968 *)card->private_data; + if ((error = snd_card_es968_pnp(dev, acard, pcard, pid))) { + snd_card_free(card); + return error; + } + snd_card_set_dev(card, &pcard->card->dev); + + if ((error = snd_sbdsp_create(card, port[dev], + irq[dev], + snd_card_es968_interrupt, + dma8[dev], + -1, + SB_HW_AUTO, &chip)) < 0) { + snd_card_free(card); + return error; + } + + if ((error = snd_sb8dsp_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 ((error = snd_sb8dsp_midi(chip, 0, NULL)) < 0) { + snd_card_free(card); + return error; + } + + strcpy(card->driver, "ES968"); + strcpy(card->shortname, "ESS ES968"); + sprintf(card->longname, "%s soundcard, %s at 0x%lx, irq %d, dma %d", + card->shortname, chip->name, chip->port, irq[dev], dma8[dev]); + + if ((error = snd_card_register(card)) < 0) { + snd_card_free(card); + return error; + } + pnp_set_card_drvdata(pcard, card); + return 0; +} + +static int __devinit snd_es968_pnp_detect(struct pnp_card_link *card, + const struct pnp_card_device_id *id) +{ + static int dev; + int res; + + for ( ; dev < SNDRV_CARDS; dev++) { + if (!enable[dev]) + continue; + res = snd_card_es968_probe(dev, card, id); + if (res < 0) + return res; + dev++; + return 0; + } + return -ENODEV; +} + +static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard) +{ + snd_card_t *card = (snd_card_t *) pnp_get_card_drvdata(pcard); + + snd_card_disconnect(card); + snd_card_free_in_thread(card); +} + +static struct pnp_card_driver es968_pnpc_driver = { + .flags = PNP_DRIVER_RES_DISABLE, + .name = "es968", + .id_table = snd_es968_pnpids, + .probe = snd_es968_pnp_detect, + .remove = __devexit_p(snd_es968_pnp_remove), +}; + +static int __init alsa_card_es968_init(void) +{ + int cards = pnp_register_card_driver(&es968_pnpc_driver); +#ifdef MODULE + if (cards == 0) { + pnp_unregister_card_driver(&es968_pnpc_driver); + snd_printk(KERN_ERR "no ES968 based soundcards found\n"); + } +#endif + return cards ? 0 : -ENODEV; +} + +static void __exit alsa_card_es968_exit(void) +{ + pnp_unregister_card_driver(&es968_pnpc_driver); +} + +module_init(alsa_card_es968_init) +module_exit(alsa_card_es968_exit) |