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