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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 | /* * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible * Copyright (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/slab.h> #include <linux/ioport.h> #include <linux/moduleparam.h> #include <sound/core.h> #include <sound/sb.h> #include <sound/opl3.h> #define SNDRV_LEGACY_AUTO_PROBE #include <sound/initval.h> MODULE_AUTHOR("Jaroslav Kysela <perex@suse.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 int 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 */ static int boot_devs; module_param_array(index, int, boot_devs, 0444); MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard."); module_param_array(id, charp, boot_devs, 0444); MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard."); module_param_array(enable, bool, boot_devs, 0444); MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard."); module_param_array(port, long, boot_devs, 0444); MODULE_PARM_DESC(port, "Port # for SB8 driver."); module_param_array(irq, int, boot_devs, 0444); MODULE_PARM_DESC(irq, "IRQ # for SB8 driver."); module_param_array(dma8, int, boot_devs, 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 */ }; static snd_card_t *snd_sb8_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; static irqreturn_t snd_sb8_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 void snd_sb8_free(snd_card_t *card) { struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data; if (acard == NULL) return; if (acard->fm_res) { release_resource(acard->fm_res); kfree_nocheck(acard->fm_res); } } static int __init snd_sb8_probe(int dev) { sb_t *chip; snd_card_t *card; struct snd_sb8 *acard; opl3_t *opl3; int err; card = snd_card_new(index[dev], id[dev], THIS_MODULE, sizeof(struct snd_sb8)); if (card == NULL) return -ENOMEM; acard = (struct snd_sb8 *)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 ((err = snd_sbdsp_create(card, port[dev], irq[dev], snd_sb8_interrupt, dma8[dev], -1, SB_HW_AUTO, &chip)) < 0) { snd_card_free(card); return err; } if (chip->hardware >= SB_HW_16) { snd_card_free(card); if (chip->hardware == SB_HW_ALS100) snd_printdd("ALS100 chip detected at 0x%lx, try snd-als100 module\n", port[dev]); else snd_printdd("SB 16 chip detected at 0x%lx, try snd-sb16 module\n", port[dev]); return -ENODEV; } if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0) { snd_card_free(card); return err; } if ((err = snd_sbmixer_new(chip)) < 0) { snd_card_free(card); return 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_ERR "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_ERR "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) { snd_card_free(card); return err; } } if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0) { snd_card_free(card); return 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) { snd_card_free(card); return err; } snd_sb8_cards[dev] = card; return 0; } static int __init snd_card_sb8_legacy_auto_probe(unsigned long xport) { static int dev; int res; for ( ; dev < SNDRV_CARDS; dev++) { if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) continue; port[dev] = xport; res = snd_sb8_probe(dev); if (res < 0) port[dev] = SNDRV_AUTO_PORT; return res; } return -ENODEV; } static int __init alsa_card_sb8_init(void) { static unsigned long possible_ports[] = {0x220, 0x240, 0x260, -1}; int dev, cards, i; for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev]; dev++) { if (port[dev] == SNDRV_AUTO_PORT) continue; if (snd_sb8_probe(dev) >= 0) cards++; } i = snd_legacy_auto_probe(possible_ports, snd_card_sb8_legacy_auto_probe); if (i > 0) cards += i; if (!cards) { #ifdef MODULE snd_printk(KERN_ERR "Sound Blaster soundcard not found or device busy\n"); #endif return -ENODEV; } return 0; } static void __exit alsa_card_sb8_exit(void) { int idx; for (idx = 0; idx < SNDRV_CARDS; idx++) snd_card_free(snd_sb8_cards[idx]); } module_init(alsa_card_sb8_init) module_exit(alsa_card_sb8_exit) |