1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
7 #include <linux/init.h>
10 #include <linux/ioport.h>
11 #include <linux/module.h>
12 #include <sound/core.h>
14 #include <sound/opl3.h>
15 #include <sound/initval.h>
17 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
18 MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
19 MODULE_LICENSE("GPL");
20 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
22 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
23 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
24 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
25 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
26 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
27 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3 */
29 module_param_array(index, int, NULL, 0444);
30 MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
31 module_param_array(id, charp, NULL, 0444);
32 MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
33 module_param_array(enable, bool, NULL, 0444);
34 MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
35 module_param_hw_array(port, long, ioport, NULL, 0444);
36 MODULE_PARM_DESC(port, "Port # for SB8 driver.");
37 module_param_hw_array(irq, int, irq, NULL, 0444);
38 MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
39 module_param_hw_array(dma8, int, dma, NULL, 0444);
40 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
43 struct resource *fm_res; /* used to block FM i/o region for legacy cards */
47 static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
49 struct snd_sb *chip = dev_id;
51 if (chip->open & SB_OPEN_PCM) {
52 return snd_sb8dsp_interrupt(chip);
54 return snd_sb8dsp_midi_interrupt(chip);
58 static void snd_sb8_free(struct snd_card *card)
60 struct snd_sb8 *acard = card->private_data;
64 release_and_free_resource(acard->fm_res);
67 static int snd_sb8_match(struct device *pdev, unsigned int dev)
71 if (irq[dev] == SNDRV_AUTO_IRQ) {
72 dev_err(pdev, "please specify irq\n");
75 if (dma8[dev] == SNDRV_AUTO_DMA) {
76 dev_err(pdev, "please specify dma8\n");
82 static int snd_sb8_probe(struct device *pdev, unsigned int dev)
85 struct snd_card *card;
86 struct snd_sb8 *acard;
87 struct snd_opl3 *opl3;
90 err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
91 sizeof(struct snd_sb8), &card);
94 acard = card->private_data;
95 card->private_free = snd_sb8_free;
97 /* block the 0x388 port to avoid PnP conflicts */
98 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
100 if (port[dev] != SNDRV_AUTO_PORT) {
101 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
109 /* auto-probe legacy ports */
110 static unsigned long possible_ports[] = {
114 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
115 err = snd_sbdsp_create(card, possible_ports[i],
123 port[dev] = possible_ports[i];
127 if (i >= ARRAY_SIZE(possible_ports)) {
134 if (chip->hardware >= SB_HW_16) {
135 if (chip->hardware == SB_HW_ALS100)
136 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
139 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
145 if ((err = snd_sb8dsp_pcm(chip, 0)) < 0)
148 if ((err = snd_sbmixer_new(chip)) < 0)
151 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
152 if ((err = snd_opl3_create(card, chip->port + 8, 0,
155 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
158 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
161 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
162 chip->port, chip->port + 2);
166 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
170 if ((err = snd_sb8dsp_midi(chip, 0)) < 0)
173 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
174 strcpy(card->shortname, chip->name);
175 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
178 irq[dev], dma8[dev]);
180 if ((err = snd_card_register(card)) < 0)
183 dev_set_drvdata(pdev, card);
191 static int snd_sb8_remove(struct device *pdev, unsigned int dev)
193 snd_card_free(dev_get_drvdata(pdev));
198 static int snd_sb8_suspend(struct device *dev, unsigned int n,
201 struct snd_card *card = dev_get_drvdata(dev);
202 struct snd_sb8 *acard = card->private_data;
203 struct snd_sb *chip = acard->chip;
205 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
206 snd_sbmixer_suspend(chip);
210 static int snd_sb8_resume(struct device *dev, unsigned int n)
212 struct snd_card *card = dev_get_drvdata(dev);
213 struct snd_sb8 *acard = card->private_data;
214 struct snd_sb *chip = acard->chip;
216 snd_sbdsp_reset(chip);
217 snd_sbmixer_resume(chip);
218 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
223 #define DEV_NAME "sb8"
225 static struct isa_driver snd_sb8_driver = {
226 .match = snd_sb8_match,
227 .probe = snd_sb8_probe,
228 .remove = snd_sb8_remove,
230 .suspend = snd_sb8_suspend,
231 .resume = snd_sb8_resume,
238 module_isa_driver(snd_sb8_driver, SNDRV_CARDS);