1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22#include <linux/init.h>
23#include <linux/err.h>
24#include <linux/isa.h>
25#include <linux/delay.h>
26#include <linux/time.h>
27#include <linux/moduleparam.h>
28#include <asm/dma.h>
29#include <sound/core.h>
30#include <sound/gus.h>
31#include <sound/cs4231.h>
32#define SNDRV_LEGACY_FIND_FREE_IRQ
33#define SNDRV_LEGACY_FIND_FREE_DMA
34#include <sound/initval.h>
35
36MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37MODULE_DESCRIPTION("Gravis UltraSound MAX");
38MODULE_LICENSE("GPL");
39MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
40
41static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
42static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
43static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
44static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
45static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
46static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
47static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
48static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
49
50static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
51static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
52
53module_param_array(index, int, NULL, 0444);
54MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
55module_param_array(id, charp, NULL, 0444);
56MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
57module_param_array(enable, bool, NULL, 0444);
58MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
59module_param_array(port, long, NULL, 0444);
60MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
61module_param_array(irq, int, NULL, 0444);
62MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
63module_param_array(dma1, int, NULL, 0444);
64MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
65module_param_array(dma2, int, NULL, 0444);
66MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
67module_param_array(joystick_dac, int, NULL, 0444);
68MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
69module_param_array(channels, int, NULL, 0444);
70MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
71module_param_array(pcm_channels, int, NULL, 0444);
72MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
73
74struct snd_gusmax {
75 int irq;
76 struct snd_card *card;
77 struct snd_gus_card *gus;
78 struct snd_cs4231 *cs4231;
79 unsigned short gus_status_reg;
80 unsigned short pcm_status_reg;
81};
82
83#define PFX "gusmax: "
84
85static int __devinit snd_gusmax_detect(struct snd_gus_card * gus)
86{
87 unsigned char d;
88
89 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);
90 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
91 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
92 return -ENODEV;
93 }
94 udelay(160);
95 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);
96 udelay(160);
97 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
98 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
99 return -ENODEV;
100 }
101
102 return 0;
103}
104
105static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
106{
107 struct snd_gusmax *maxcard = dev_id;
108 int loop, max = 5;
109 int handled = 0;
110
111 do {
112 loop = 0;
113 if (inb(maxcard->gus_status_reg)) {
114 handled = 1;
115 snd_gus_interrupt(irq, maxcard->gus);
116 loop++;
117 }
118 if (inb(maxcard->pcm_status_reg) & 0x01) {
119 handled = 1;
120 snd_cs4231_interrupt(irq, maxcard->cs4231);
121 loop++;
122 }
123 } while (loop && --max > 0);
124 return IRQ_RETVAL(handled);
125}
126
127static void __devinit snd_gusmax_init(int dev, struct snd_card *card,
128 struct snd_gus_card * gus)
129{
130 gus->equal_irq = 1;
131 gus->codec_flag = 1;
132 gus->joystick_dac = joystick_dac[dev];
133
134 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
135 if (gus->gf1.dma1 > 3)
136 gus->max_cntrl_val |= 0x10;
137 if (gus->gf1.dma2 > 3)
138 gus->max_cntrl_val |= 0x20;
139 gus->max_cntrl_val |= 0x40;
140 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
141}
142
143#define CS4231_PRIVATE( left, right, shift, mute ) \
144 ((left << 24)|(right << 16)|(shift<<8)|mute)
145
146static int __devinit snd_gusmax_mixer(struct snd_cs4231 *chip)
147{
148 struct snd_card *card = chip->card;
149 struct snd_ctl_elem_id id1, id2;
150 int err;
151
152 memset(&id1, 0, sizeof(id1));
153 memset(&id2, 0, sizeof(id2));
154 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
155
156 strcpy(id1.name, "Aux Playback Switch");
157 strcpy(id2.name, "Synth Playback Switch");
158 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
159 return err;
160 strcpy(id1.name, "Aux Playback Volume");
161 strcpy(id2.name, "Synth Playback Volume");
162 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
163 return err;
164
165 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
166 strcpy(id2.name, "CD Playback Switch");
167 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
168 return err;
169 strcpy(id1.name, "Aux Playback Volume");
170 strcpy(id2.name, "CD Playback Volume");
171 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
172 return err;
173#if 0
174
175 if (snd_mixer_group_rename(mixer,
176 SNDRV_MIXER_IN_MONO, 0,
177 SNDRV_MIXER_IN_MIC, 0) < 0)
178 goto __error;
179 if (snd_mixer_elem_rename(mixer,
180 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
181 SNDRV_MIXER_IN_MIC, 0) < 0)
182 goto __error;
183 if (snd_mixer_elem_rename(mixer,
184 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
185 "Mic Capture Volume", 0) < 0)
186 goto __error;
187 if (snd_mixer_elem_rename(mixer,
188 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
189 "Mic Capture Switch", 0) < 0)
190 goto __error;
191#endif
192 return 0;
193}
194
195static void snd_gusmax_free(struct snd_card *card)
196{
197 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
198
199 if (maxcard == NULL)
200 return;
201 if (maxcard->irq >= 0)
202 free_irq(maxcard->irq, (void *)maxcard);
203}
204
205static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
206{
207 return enable[dev];
208}
209
210static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev)
211{
212 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
213 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
214 int xirq, xdma1, xdma2, err;
215 struct snd_card *card;
216 struct snd_gus_card *gus = NULL;
217 struct snd_cs4231 *cs4231;
218 struct snd_gusmax *maxcard;
219
220 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
221 sizeof(struct snd_gusmax));
222 if (card == NULL)
223 return -ENOMEM;
224 card->private_free = snd_gusmax_free;
225 maxcard = (struct snd_gusmax *)card->private_data;
226 maxcard->card = card;
227 maxcard->irq = -1;
228
229 xirq = irq[dev];
230 if (xirq == SNDRV_AUTO_IRQ) {
231 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
232 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
233 err = -EBUSY;
234 goto _err;
235 }
236 }
237 xdma1 = dma1[dev];
238 if (xdma1 == SNDRV_AUTO_DMA) {
239 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
240 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
241 err = -EBUSY;
242 goto _err;
243 }
244 }
245 xdma2 = dma2[dev];
246 if (xdma2 == SNDRV_AUTO_DMA) {
247 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
248 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
249 err = -EBUSY;
250 goto _err;
251 }
252 }
253
254 if (port[dev] != SNDRV_AUTO_PORT) {
255 err = snd_gus_create(card,
256 port[dev],
257 -xirq, xdma1, xdma2,
258 0, channels[dev],
259 pcm_channels[dev],
260 0, &gus);
261 } else {
262 static unsigned long possible_ports[] = {
263 0x220, 0x230, 0x240, 0x250, 0x260
264 };
265 int i;
266 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
267 err = snd_gus_create(card,
268 possible_ports[i],
269 -xirq, xdma1, xdma2,
270 0, channels[dev],
271 pcm_channels[dev],
272 0, &gus);
273 if (err >= 0) {
274 port[dev] = possible_ports[i];
275 break;
276 }
277 }
278 }
279 if (err < 0)
280 goto _err;
281
282 if ((err = snd_gusmax_detect(gus)) < 0)
283 goto _err;
284
285 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
286 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
287 snd_gusmax_init(dev, card, gus);
288 if ((err = snd_gus_initialize(gus)) < 0)
289 goto _err;
290
291 if (!gus->max_flag) {
292 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
293 err = -ENODEV;
294 goto _err;
295 }
296
297 if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) {
298 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
299 err = -EBUSY;
300 goto _err;
301 }
302 maxcard->irq = xirq;
303
304 if ((err = snd_cs4231_create(card,
305 gus->gf1.port + 0x10c, -1, xirq,
306 xdma2 < 0 ? xdma1 : xdma2, xdma1,
307 CS4231_HW_DETECT,
308 CS4231_HWSHARE_IRQ |
309 CS4231_HWSHARE_DMA1 |
310 CS4231_HWSHARE_DMA2,
311 &cs4231)) < 0)
312 goto _err;
313
314 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
315 goto _err;
316
317 if ((err = snd_cs4231_mixer(cs4231)) < 0)
318 goto _err;
319
320 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
321 goto _err;
322
323 if (pcm_channels[dev] > 0) {
324 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
325 goto _err;
326 }
327 if ((err = snd_gusmax_mixer(cs4231)) < 0)
328 goto _err;
329
330 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
331 goto _err;
332
333 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
334 if (xdma2 >= 0)
335 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
336
337 snd_card_set_dev(card, pdev);
338
339 if ((err = snd_card_register(card)) < 0)
340 goto _err;
341
342 maxcard->gus = gus;
343 maxcard->cs4231 = cs4231;
344
345 dev_set_drvdata(pdev, card);
346 return 0;
347
348 _err:
349 snd_card_free(card);
350 return err;
351}
352
353static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev)
354{
355 snd_card_free(dev_get_drvdata(devptr));
356 dev_set_drvdata(devptr, NULL);
357 return 0;
358}
359
360#define DEV_NAME "gusmax"
361
362static struct isa_driver snd_gusmax_driver = {
363 .match = snd_gusmax_match,
364 .probe = snd_gusmax_probe,
365 .remove = __devexit_p(snd_gusmax_remove),
366
367 .driver = {
368 .name = DEV_NAME
369 },
370};
371
372static int __init alsa_card_gusmax_init(void)
373{
374 return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
375}
376
377static void __exit alsa_card_gusmax_exit(void)
378{
379 isa_unregister_driver(&snd_gusmax_driver);
380}
381
382module_init(alsa_card_gusmax_init)
383module_exit(alsa_card_gusmax_exit)
384
