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22#include <sound/driver.h>
23#include <linux/init.h>
24#include <linux/err.h>
25#include <linux/isa.h>
26#include <linux/slab.h>
27#include <linux/ioport.h>
28#include <linux/moduleparam.h>
29#include <sound/core.h>
30#include <sound/sb.h>
31#include <sound/opl3.h>
32#include <sound/initval.h>
33
34MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
35MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
36MODULE_LICENSE("GPL");
37MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
38
39static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
40static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
41static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
42static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
43static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
44static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
45
46module_param_array(index, int, NULL, 0444);
47MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
48module_param_array(id, charp, NULL, 0444);
49MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
50module_param_array(enable, bool, NULL, 0444);
51MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
52module_param_array(port, long, NULL, 0444);
53MODULE_PARM_DESC(port, "Port # for SB8 driver.");
54module_param_array(irq, int, NULL, 0444);
55MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
56module_param_array(dma8, int, NULL, 0444);
57MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
58
59struct snd_sb8 {
60 struct resource *fm_res;
61 struct snd_sb *chip;
62};
63
64static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
65{
66 struct snd_sb *chip = dev_id;
67
68 if (chip->open & SB_OPEN_PCM) {
69 return snd_sb8dsp_interrupt(chip);
70 } else {
71 return snd_sb8dsp_midi_interrupt(chip);
72 }
73}
74
75static void snd_sb8_free(struct snd_card *card)
76{
77 struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
78
79 if (acard == NULL)
80 return;
81 release_and_free_resource(acard->fm_res);
82}
83
84static int __devinit snd_sb8_match(struct device *pdev, unsigned int dev)
85{
86 if (!enable[dev])
87 return 0;
88 if (irq[dev] == SNDRV_AUTO_IRQ) {
89 snd_printk(KERN_ERR "%s: please specify irq\n", pdev->bus_id);
90 return 0;
91 }
92 if (dma8[dev] == SNDRV_AUTO_DMA) {
93 snd_printk(KERN_ERR "%s: please specify dma8\n", pdev->bus_id);
94 return 0;
95 }
96 return 1;
97}
98
99static int __devinit snd_sb8_probe(struct device *pdev, unsigned int dev)
100{
101 struct snd_sb *chip;
102 struct snd_card *card;
103 struct snd_sb8 *acard;
104 struct snd_opl3 *opl3;
105 int err;
106
107 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
108 sizeof(struct snd_sb8));
109 if (card == NULL)
110 return -ENOMEM;
111 acard = card->private_data;
112 card->private_free = snd_sb8_free;
113
114
115 acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
116
117 if (port[dev] != SNDRV_AUTO_PORT) {
118 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
119 snd_sb8_interrupt,
120 dma8[dev],
121 -1,
122 SB_HW_AUTO,
123 &chip)) < 0)
124 goto _err;
125 } else {
126
127 static unsigned long possible_ports[] = {
128 0x220, 0x240, 0x260,
129 };
130 int i;
131 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
132 err = snd_sbdsp_create(card, possible_ports[i],
133 irq[dev],
134 snd_sb8_interrupt,
135 dma8[dev],
136 -1,
137 SB_HW_AUTO,
138 &chip);
139 if (err >= 0) {
140 port[dev] = possible_ports[i];
141 break;
142 }
143 }
144 if (i >= ARRAY_SIZE(possible_ports))
145 goto _err;
146 }
147 acard->chip = chip;
148
149 if (chip->hardware >= SB_HW_16) {
150 if (chip->hardware == SB_HW_ALS100)
151 snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
152 port[dev]);
153 else
154 snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
155 port[dev]);
156 err = -ENODEV;
157 goto _err;
158 }
159
160 if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
161 goto _err;
162
163 if ((err = snd_sbmixer_new(chip)) < 0)
164 goto _err;
165
166 if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
167 if ((err = snd_opl3_create(card, chip->port + 8, 0,
168 OPL3_HW_AUTO, 1,
169 &opl3)) < 0) {
170 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
171 }
172 } else {
173 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
174 OPL3_HW_AUTO, 1,
175 &opl3)) < 0) {
176 snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
177 chip->port, chip->port + 2);
178 }
179 }
180 if (err >= 0) {
181 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
182 goto _err;
183 }
184
185 if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
186 goto _err;
187
188 strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
189 strcpy(card->shortname, chip->name);
190 sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
191 chip->name,
192 chip->port,
193 irq[dev], dma8[dev]);
194
195 snd_card_set_dev(card, pdev);
196
197 if ((err = snd_card_register(card)) < 0)
198 goto _err;
199
200 dev_set_drvdata(pdev, card);
201 return 0;
202
203 _err:
204 snd_card_free(card);
205 return err;
206}
207
208static int __devexit snd_sb8_remove(struct device *pdev, unsigned int dev)
209{
210 snd_card_free(dev_get_drvdata(pdev));
211 dev_set_drvdata(pdev, NULL);
212 return 0;
213}
214
215#ifdef CONFIG_PM
216static int snd_sb8_suspend(struct device *dev, unsigned int n,
217 pm_message_t state)
218{
219 struct snd_card *card = dev_get_drvdata(dev);
220 struct snd_sb8 *acard = card->private_data;
221 struct snd_sb *chip = acard->chip;
222
223 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
224 snd_pcm_suspend_all(chip->pcm);
225 snd_sbmixer_suspend(chip);
226 return 0;
227}
228
229static int snd_sb8_resume(struct device *dev, unsigned int n)
230{
231 struct snd_card *card = dev_get_drvdata(dev);
232 struct snd_sb8 *acard = card->private_data;
233 struct snd_sb *chip = acard->chip;
234
235 snd_sbdsp_reset(chip);
236 snd_sbmixer_resume(chip);
237 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
238 return 0;
239}
240#endif
241
242#define DEV_NAME "sb8"
243
244static struct isa_driver snd_sb8_driver = {
245 .match = snd_sb8_match,
246 .probe = snd_sb8_probe,
247 .remove = __devexit_p(snd_sb8_remove),
248#ifdef CONFIG_PM
249 .suspend = snd_sb8_suspend,
250 .resume = snd_sb8_resume,
251#endif
252 .driver = {
253 .name = DEV_NAME
254 },
255};
256
257static int __init alsa_card_sb8_init(void)
258{
259 return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
260}
261
262static void __exit alsa_card_sb8_exit(void)
263{
264 isa_unregister_driver(&snd_sb8_driver);
265}
266
267module_init(alsa_card_sb8_init)
268module_exit(alsa_card_sb8_exit)
269
