| /* |
| * Generic driver for AD1848/AD1847/CS4248 chips (0.1 Alpha) |
| * Copyright (c) by Tugrul Galatali <galatalt@stuy.edu>, |
| * Jaroslav Kysela <perex@suse.cz> |
| * Based on card-4232.c by Jaroslav Kysela <perex@suse.cz> |
| * |
| * |
| * 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/wait.h> |
| #include <sound/core.h> |
| #include <sound/ad1848.h> |
| #define SNDRV_GET_ID |
| #include <sound/initval.h> |
| |
| #define chip_t ad1848_t |
| |
| EXPORT_NO_SYMBOLS; |
| MODULE_AUTHOR("Tugrul Galatali <galatalt@stuy.edu>, Jaroslav Kysela <perex@suse.cz>"); |
| MODULE_DESCRIPTION("AD1848/AD1847/CS4248"); |
| MODULE_LICENSE("GPL"); |
| MODULE_CLASSES("{sound}"); |
| MODULE_DEVICES("{{Analog Devices,AD1848}," |
| "{Analog Devices,AD1847}," |
| "{Crystal Semiconductors,CS4248}}"); |
| |
| static int snd_index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| static char *snd_id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| static int snd_enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| static long snd_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */ |
| static int snd_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,11,12,15 */ |
| static int snd_dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3,5,6,7 */ |
| |
| MODULE_PARM(snd_index, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_index, "Index value for AD1848 soundcard."); |
| MODULE_PARM_SYNTAX(snd_index, SNDRV_INDEX_DESC); |
| MODULE_PARM(snd_id, "1-" __MODULE_STRING(SNDRV_CARDS) "s"); |
| MODULE_PARM_DESC(snd_id, "ID string for AD1848 soundcard."); |
| MODULE_PARM_SYNTAX(snd_id, SNDRV_ID_DESC); |
| MODULE_PARM(snd_enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_enable, "Enable AD1848 soundcard."); |
| MODULE_PARM_SYNTAX(snd_enable, SNDRV_ENABLE_DESC); |
| MODULE_PARM(snd_port, "1-" __MODULE_STRING(SNDRV_CARDS) "l"); |
| MODULE_PARM_DESC(snd_port, "Port # for AD1848 driver."); |
| MODULE_PARM_SYNTAX(snd_port, SNDRV_PORT12_DESC); |
| MODULE_PARM(snd_irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_irq, "IRQ # for AD1848 driver."); |
| MODULE_PARM_SYNTAX(snd_irq, SNDRV_IRQ_DESC); |
| MODULE_PARM(snd_dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i"); |
| MODULE_PARM_DESC(snd_dma1, "DMA1 # for AD1848 driver."); |
| MODULE_PARM_SYNTAX(snd_dma1, SNDRV_DMA_DESC); |
| |
| static snd_card_t *snd_ad1848_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; |
| |
| |
| static int __init snd_card_ad1848_probe(int dev) |
| { |
| snd_card_t *card; |
| ad1848_t *chip; |
| snd_pcm_t *pcm; |
| int err; |
| |
| if (snd_port[dev] == SNDRV_AUTO_PORT) { |
| snd_printk("specify snd_port\n"); |
| return -EINVAL; |
| } |
| if (snd_irq[dev] == SNDRV_AUTO_IRQ) { |
| snd_printk("specify snd_irq\n"); |
| return -EINVAL; |
| } |
| if (snd_dma1[dev] == SNDRV_AUTO_DMA) { |
| snd_printk("specify snd_dma1\n"); |
| return -EINVAL; |
| } |
| |
| card = snd_card_new(snd_index[dev], snd_id[dev], THIS_MODULE, 0); |
| if (card == NULL) |
| return -ENOMEM; |
| |
| if ((err = snd_ad1848_create(card, snd_port[dev], |
| snd_irq[dev], |
| snd_dma1[dev], |
| AD1848_HW_DETECT, |
| &chip)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| |
| if ((err = snd_ad1848_pcm(chip, 0, &pcm)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| if ((err = snd_ad1848_mixer(chip)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| strcpy(card->driver, "AD1848"); |
| strcpy(card->shortname, pcm->name); |
| |
| sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", |
| pcm->name, chip->port, snd_irq[dev], snd_dma1[dev]); |
| |
| if ((err = snd_card_register(card)) < 0) { |
| snd_card_free(card); |
| return err; |
| } |
| snd_ad1848_cards[dev] = card; |
| return 0; |
| } |
| |
| static int __init alsa_card_ad1848_init(void) |
| { |
| int dev, cards; |
| |
| for (dev = cards = 0; dev < SNDRV_CARDS && snd_enable[dev]; dev++) |
| if (snd_card_ad1848_probe(dev) >= 0) |
| cards++; |
| |
| if (!cards) { |
| #ifdef MODULE |
| snd_printk("AD1848 soundcard not found or device busy\n"); |
| #endif |
| return -ENODEV; |
| } |
| return 0; |
| } |
| |
| static void __exit alsa_card_ad1848_exit(void) |
| { |
| int idx; |
| |
| for (idx = 0; idx < SNDRV_CARDS; idx++) |
| snd_card_free(snd_ad1848_cards[idx]); |
| } |
| |
| module_init(alsa_card_ad1848_init) |
| module_exit(alsa_card_ad1848_exit) |
| |
| #ifndef MODULE |
| |
| /* format is: snd-ad1848=snd_enable,snd_index,snd_id,snd_port, |
| snd_irq,snd_dma1 */ |
| |
| static int __init alsa_card_ad1848_setup(char *str) |
| { |
| static unsigned __initdata nr_dev = 0; |
| |
| if (nr_dev >= SNDRV_CARDS) |
| return 0; |
| (void)(get_option(&str,&snd_enable[nr_dev]) == 2 && |
| get_option(&str,&snd_index[nr_dev]) == 2 && |
| get_id(&str,&snd_id[nr_dev]) == 2 && |
| get_option(&str,(int *)&snd_port[nr_dev]) == 2 && |
| get_option(&str,&snd_irq[nr_dev]) == 2 && |
| get_option(&str,&snd_dma1[nr_dev]) == 2); |
| nr_dev++; |
| return 1; |
| } |
| |
| __setup("snd-ad1848=", alsa_card_ad1848_setup); |
| |
| #endif /* ifndef MODULE */ |