| /* |
| * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible |
| * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h> |
| #include <linux/err.h> |
| #include <linux/isa.h> |
| #include <linux/ioport.h> |
| #include <linux/module.h> |
| #include <sound/core.h> |
| #include <sound/sb.h> |
| #include <sound/opl3.h> |
| #include <sound/initval.h> |
| |
| MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); |
| MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro"); |
| MODULE_LICENSE("GPL"); |
| MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}"); |
| |
| static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
| static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ |
| static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */ |
| static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */ |
| static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */ |
| |
| module_param_array(index, int, NULL, 0444); |
| MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard."); |
| module_param_array(id, charp, NULL, 0444); |
| MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard."); |
| module_param_array(enable, bool, NULL, 0444); |
| MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard."); |
| module_param_hw_array(port, long, ioport, NULL, 0444); |
| MODULE_PARM_DESC(port, "Port # for SB8 driver."); |
| module_param_hw_array(irq, int, irq, NULL, 0444); |
| MODULE_PARM_DESC(irq, "IRQ # for SB8 driver."); |
| module_param_hw_array(dma8, int, dma, NULL, 0444); |
| MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver."); |
| |
| struct snd_sb8 { |
| struct resource *fm_res; /* used to block FM i/o region for legacy cards */ |
| struct snd_sb *chip; |
| }; |
| |
| static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id) |
| { |
| struct snd_sb *chip = dev_id; |
| |
| if (chip->open & SB_OPEN_PCM) { |
| return snd_sb8dsp_interrupt(chip); |
| } else { |
| return snd_sb8dsp_midi_interrupt(chip); |
| } |
| } |
| |
| static void snd_sb8_free(struct snd_card *card) |
| { |
| struct snd_sb8 *acard = card->private_data; |
| |
| if (acard == NULL) |
| return; |
| release_and_free_resource(acard->fm_res); |
| } |
| |
| static int snd_sb8_match(struct device *pdev, unsigned int dev) |
| { |
| if (!enable[dev]) |
| return 0; |
| if (irq[dev] == SNDRV_AUTO_IRQ) { |
| dev_err(pdev, "please specify irq\n"); |
| return 0; |
| } |
| if (dma8[dev] == SNDRV_AUTO_DMA) { |
| dev_err(pdev, "please specify dma8\n"); |
| return 0; |
| } |
| return 1; |
| } |
| |
| static int snd_sb8_probe(struct device *pdev, unsigned int dev) |
| { |
| struct snd_sb *chip; |
| struct snd_card *card; |
| struct snd_sb8 *acard; |
| struct snd_opl3 *opl3; |
| int err; |
| |
| err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE, |
| sizeof(struct snd_sb8), &card); |
| if (err < 0) |
| return err; |
| acard = card->private_data; |
| card->private_free = snd_sb8_free; |
| |
| /* block the 0x388 port to avoid PnP conflicts */ |
| acard->fm_res = request_region(0x388, 4, "SoundBlaster FM"); |
| if (!acard->fm_res) { |
| err = -EBUSY; |
| goto _err; |
| } |
| |
| if (port[dev] != SNDRV_AUTO_PORT) { |
| if ((err = snd_sbdsp_create(card, port[dev], irq[dev], |
| snd_sb8_interrupt, |
| dma8[dev], |
| -1, |
| SB_HW_AUTO, |
| &chip)) < 0) |
| goto _err; |
| } else { |
| /* auto-probe legacy ports */ |
| static unsigned long possible_ports[] = { |
| 0x220, 0x240, 0x260, |
| }; |
| int i; |
| for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { |
| err = snd_sbdsp_create(card, possible_ports[i], |
| irq[dev], |
| snd_sb8_interrupt, |
| dma8[dev], |
| -1, |
| SB_HW_AUTO, |
| &chip); |
| if (err >= 0) { |
| port[dev] = possible_ports[i]; |
| break; |
| } |
| } |
| if (i >= ARRAY_SIZE(possible_ports)) { |
| err = -EINVAL; |
| goto _err; |
| } |
| } |
| acard->chip = chip; |
| |
| if (chip->hardware >= SB_HW_16) { |
| if (chip->hardware == SB_HW_ALS100) |
| snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n", |
| port[dev]); |
| else |
| snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n", |
| port[dev]); |
| err = -ENODEV; |
| goto _err; |
| } |
| |
| if ((err = snd_sb8dsp_pcm(chip, 0)) < 0) |
| goto _err; |
| |
| if ((err = snd_sbmixer_new(chip)) < 0) |
| goto _err; |
| |
| if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) { |
| if ((err = snd_opl3_create(card, chip->port + 8, 0, |
| OPL3_HW_AUTO, 1, |
| &opl3)) < 0) { |
| snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8); |
| } |
| } else { |
| if ((err = snd_opl3_create(card, chip->port, chip->port + 2, |
| OPL3_HW_AUTO, 1, |
| &opl3)) < 0) { |
| snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n", |
| chip->port, chip->port + 2); |
| } |
| } |
| if (err >= 0) { |
| if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) |
| goto _err; |
| } |
| |
| if ((err = snd_sb8dsp_midi(chip, 0)) < 0) |
| goto _err; |
| |
| strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8"); |
| strcpy(card->shortname, chip->name); |
| sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d", |
| chip->name, |
| chip->port, |
| irq[dev], dma8[dev]); |
| |
| if ((err = snd_card_register(card)) < 0) |
| goto _err; |
| |
| dev_set_drvdata(pdev, card); |
| return 0; |
| |
| _err: |
| snd_card_free(card); |
| return err; |
| } |
| |
| static int snd_sb8_remove(struct device *pdev, unsigned int dev) |
| { |
| snd_card_free(dev_get_drvdata(pdev)); |
| return 0; |
| } |
| |
| #ifdef CONFIG_PM |
| static int snd_sb8_suspend(struct device *dev, unsigned int n, |
| pm_message_t state) |
| { |
| struct snd_card *card = dev_get_drvdata(dev); |
| struct snd_sb8 *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_sb8_resume(struct device *dev, unsigned int n) |
| { |
| struct snd_card *card = dev_get_drvdata(dev); |
| struct snd_sb8 *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 |
| |
| #define DEV_NAME "sb8" |
| |
| static struct isa_driver snd_sb8_driver = { |
| .match = snd_sb8_match, |
| .probe = snd_sb8_probe, |
| .remove = snd_sb8_remove, |
| #ifdef CONFIG_PM |
| .suspend = snd_sb8_suspend, |
| .resume = snd_sb8_resume, |
| #endif |
| .driver = { |
| .name = DEV_NAME |
| }, |
| }; |
| |
| module_isa_driver(snd_sb8_driver, SNDRV_CARDS); |