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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | // SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible * Copyright (c) by Jaroslav Kysela <perex@perex.cz> */ #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 (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 const 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_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); |