source: GPL/branches/alsa-resync1/alsa-kernel/isa/gus/gusmax.c@ 212

Last change on this file since 212 was 212, checked in by Brendan Oakley, 18 years ago

Merged to Alsa 0.9.0rc5
File size: 13.4 KB
Line 
1/*
2 * Driver for Gravis UltraSound MAX soundcard
3 * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
4 *
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22#include <sound/driver.h>
23#include <asm/dma.h>
24#include <linux/init.h>
25#include <linux/delay.h>
26#include <linux/time.h>
27#include <sound/core.h>
28#include <sound/gus.h>
29#include <sound/cs4231.h>
30#define SNDRV_LEGACY_AUTO_PROBE
31#define SNDRV_LEGACY_FIND_FREE_IRQ
32#define SNDRV_LEGACY_FIND_FREE_DMA
33#define SNDRV_GET_ID
34#include <sound/initval.h>
35
36MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
37MODULE_DESCRIPTION("Gravis UltraSound MAX");
38MODULE_LICENSE("GPL");
39MODULE_CLASSES("{sound}");
40MODULE_DEVICES("{{Gravis,UltraSound MAX}}");
41
42static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
43static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
44static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
45static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
46static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
47static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
48static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
49#ifdef TARGET_OS2
50static int joystick_dac[SNDRV_CARDS] = {REPEAT_SNDRV(29)};
51 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
52static int channels[SNDRV_CARDS] = {REPEAT_SNDRV(24)};
53static int pcm_channels[SNDRV_CARDS] = {REPEAT_SNDRV(2)};
54#else
55static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
56 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
57static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
58static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
59#endif
60
61MODULE_PARM(index, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
62MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
63MODULE_PARM_SYNTAX(index, SNDRV_INDEX_DESC);
64MODULE_PARM(id, "1-" __MODULE_STRING(SNDRV_CARDS) "s");
65MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
66MODULE_PARM_SYNTAX(id, SNDRV_ID_DESC);
67MODULE_PARM(enable, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
68MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
69MODULE_PARM_SYNTAX(enable, SNDRV_ENABLE_DESC);
70MODULE_PARM(port, "1-" __MODULE_STRING(SNDRV_CARDS) "l");
71MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
72MODULE_PARM_SYNTAX(port, SNDRV_ENABLED ",allows:{{0x220},{0x230},{0x240},{0x250},{0x260}},dialog:list");
73MODULE_PARM(irq, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
74MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
75MODULE_PARM_SYNTAX(irq, SNDRV_ENABLED ",allows:{{3},{5},{9},{11},{12},{15}},dialog:list");
76MODULE_PARM(dma1, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
77MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
78MODULE_PARM_SYNTAX(dma1, SNDRV_DMA_DESC);
79MODULE_PARM(dma2, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
80MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
81MODULE_PARM_SYNTAX(dma2, SNDRV_DMA_DESC);
82MODULE_PARM(joystick_dac, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
83MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
84MODULE_PARM_SYNTAX(joystick_dac, SNDRV_ENABLED ",allows:{{0,31}}");
85MODULE_PARM(channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
86MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
87MODULE_PARM_SYNTAX(channels, SNDRV_ENABLED ",allows:{{14,32}}");
88MODULE_PARM(pcm_channels, "1-" __MODULE_STRING(SNDRV_CARDS) "i");
89MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
90MODULE_PARM_SYNTAX(pcm_channels, SNDRV_ENABLED ",allows:{{2,16}}");
91
92struct snd_gusmax {
93 int irq;
94 snd_card_t *card;
95 snd_gus_card_t *gus;
96 cs4231_t *cs4231;
97 unsigned short gus_status_reg;
98 unsigned short pcm_status_reg;
99};
100
101static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR;
102
103
104static int __init snd_gusmax_detect(snd_gus_card_t * gus)
105{
106 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
107#ifdef CONFIG_SND_DEBUG_DETECT
108 {
109 unsigned char d;
110
111 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
112 snd_printk("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
113 return -ENODEV;
114 }
115 }
116#else
117 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 0)
118 return -ENODEV;
119#endif
120 udelay(160);
121 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
122 udelay(160);
123#ifdef CONFIG_SND_DEBUG_DETECT
124 {
125 unsigned char d;
126
127 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
128 snd_printk("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
129 return -ENODEV;
130 }
131 }
132#else
133 if ((snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET) & 0x07) != 1)
134 return -ENODEV;
135#endif
136 return 0;
137}
138
139static void snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs)
140{
141 struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id;
142 int loop, max = 5;
143
144 do {
145 loop = 0;
146 if (inb(maxcard->gus_status_reg)) {
147 snd_gus_interrupt(irq, maxcard->gus, regs);
148 loop++;
149 }
150 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
151 snd_cs4231_interrupt(irq, maxcard->cs4231, regs);
152 loop++;
153 }
154 } while (loop && --max > 0);
155}
156
157static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus)
158{
159 gus->equal_irq = 1;
160 gus->codec_flag = 1;
161 gus->joystick_dac = joystick_dac[dev];
162 /* init control register */
163 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
164 if (gus->gf1.dma1 > 3)
165 gus->max_cntrl_val |= 0x10;
166 if (gus->gf1.dma2 > 3)
167 gus->max_cntrl_val |= 0x20;
168 gus->max_cntrl_val |= 0x40;
169 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
170}
171
172#define CS4231_PRIVATE( left, right, shift, mute ) \
173 ((left << 24)|(right << 16)|(shift<<8)|mute)
174
175static int __init snd_gusmax_mixer(cs4231_t *chip)
176{
177 snd_card_t *card = chip->card;
178 snd_ctl_elem_id_t id1, id2;
179 int err;
180
181 memset(&id1, 0, sizeof(id1));
182 memset(&id2, 0, sizeof(id2));
183 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
184 /* reassign AUXA to SYNTHESIZER */
185 strcpy(id1.name, "Aux Playback Switch");
186 strcpy(id2.name, "Synth Playback Switch");
187 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
188 return err;
189 strcpy(id1.name, "Aux Playback Volume");
190 strcpy(id2.name, "Synth Playback Volume");
191 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
192 return err;
193 /* reassign AUXB to CD */
194 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
195 strcpy(id2.name, "CD Playback Switch");
196 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
197 return err;
198 strcpy(id1.name, "Aux Playback Volume");
199 strcpy(id2.name, "CD Playback Volume");
200 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
201 return err;
202#if 0
203 /* reassign Mono Input to MIC */
204 if (snd_mixer_group_rename(mixer,
205 SNDRV_MIXER_IN_MONO, 0,
206 SNDRV_MIXER_IN_MIC, 0) < 0)
207 goto __error;
208 if (snd_mixer_elem_rename(mixer,
209 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
210 SNDRV_MIXER_IN_MIC, 0) < 0)
211 goto __error;
212 if (snd_mixer_elem_rename(mixer,
213 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
214 "Mic Capture Volume", 0) < 0)
215 goto __error;
216 if (snd_mixer_elem_rename(mixer,
217 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
218 "Mic Capture Switch", 0) < 0)
219 goto __error;
220#endif
221 return 0;
222}
223
224static void snd_gusmax_free(snd_card_t *card)
225{
226 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
227
228 if (maxcard == NULL)
229 return;
230 if (maxcard->irq >= 0)
231 free_irq(maxcard->irq, (void *)maxcard);
232}
233
234static int __init snd_gusmax_probe(int dev)
235{
236 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
237 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
238 int xirq, xdma1, xdma2, err;
239 snd_card_t *card;
240 snd_gus_card_t *gus = NULL;
241 cs4231_t *cs4231;
242 struct snd_gusmax *maxcard;
243
244 card = snd_card_new(index[dev], id[dev], THIS_MODULE,
245 sizeof(struct snd_gusmax));
246 if (card == NULL)
247 return -ENOMEM;
248 card->private_free = snd_gusmax_free;
249 maxcard = (struct snd_gusmax *)card->private_data;
250 maxcard->card = card;
251 maxcard->irq = -1;
252
253 xirq = irq[dev];
254 if (xirq == SNDRV_AUTO_IRQ) {
255 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
256 snd_card_free(card);
257 snd_printk("unable to find a free IRQ\n");
258 return -EBUSY;
259 }
260 }
261 xdma1 = dma1[dev];
262 if (xdma1 == SNDRV_AUTO_DMA) {
263 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
264 snd_card_free(card);
265 snd_printk("unable to find a free DMA1\n");
266 return -EBUSY;
267 }
268 }
269 xdma2 = dma2[dev];
270 if (xdma2 == SNDRV_AUTO_DMA) {
271 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
272 snd_card_free(card);
273 snd_printk("unable to find a free DMA2\n");
274 return -EBUSY;
275 }
276 }
277
278 if ((err = snd_gus_create(card,
279 port[dev],
280 -xirq, xdma1, xdma2,
281 0, channels[dev],
282 pcm_channels[dev],
283 0, &gus)) < 0) {
284 snd_card_free(card);
285 return err;
286 }
287 if ((err = snd_gusmax_detect(gus)) < 0) {
288 snd_card_free(card);
289 return err;
290 }
291 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
292 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
293 snd_gusmax_init(dev, card, gus);
294 if ((err = snd_gus_initialize(gus)) < 0) {
295 snd_card_free(card);
296 return err;
297 }
298 if (!gus->max_flag) {
299 snd_card_free(card);
300 printk(KERN_ERR "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
301 return -ENODEV;
302 }
303
304 if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) {
305 snd_card_free(card);
306 printk(KERN_ERR "gusmax: unable to grab IRQ %d\n", xirq);
307 return -EBUSY;
308 }
309 maxcard->irq = xirq;
310
311 if ((err = snd_cs4231_create(card,
312 gus->gf1.port + 0x10c, -1, xirq,
313 xdma2 < 0 ? xdma1 : xdma2, xdma1,
314 CS4231_HW_DETECT,
315 CS4231_HWSHARE_IRQ |
316 CS4231_HWSHARE_DMA1 |
317 CS4231_HWSHARE_DMA2,
318 &cs4231)) < 0) {
319 snd_card_free(card);
320 return err;
321 }
322 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) {
323 snd_card_free(card);
324 return err;
325 }
326 if ((err = snd_cs4231_mixer(cs4231)) < 0) {
327 snd_card_free(card);
328 return err;
329 }
330 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) {
331 snd_card_free(card);
332 return err;
333 }
334 if (pcm_channels[dev] > 0) {
335 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) {
336 snd_card_free(card);
337 return err;
338 }
339 }
340 if ((err = snd_gusmax_mixer(cs4231)) < 0) {
341 snd_card_free(card);
342 return err;
343 }
344
345 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) {
346 snd_card_free(card);
347 return err;
348 }
349
350 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
351 if (xdma2 >= 0)
352 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
353 if ((err = snd_card_register(card)) < 0) {
354 snd_card_free(card);
355 return err;
356 }
357
358 maxcard->gus = gus;
359 maxcard->cs4231 = cs4231;
360 snd_gusmax_cards[dev] = card;
361 return 0;
362}
363
364static int __init snd_gusmax_legacy_auto_probe(unsigned long xport)
365{
366 static int dev;
367 int res;
368
369 for ( ; dev < SNDRV_CARDS; dev++) {
370 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT)
371 continue;
372 port[dev] = xport;
373 res = snd_gusmax_probe(dev);
374 if (res < 0)
375 port[dev] = SNDRV_AUTO_PORT;
376 return res;
377 }
378 return -ENODEV;
379}
380
381static int __init alsa_card_gusmax_init(void)
382{
383 static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1};
384 int dev, cards;
385
386 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) {
387 if (port[dev] == SNDRV_AUTO_PORT)
388 continue;
389 if (snd_gusmax_probe(dev) >= 0)
390 cards++;
391 }
392 cards += snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe);
393 if (!cards) {
394#ifdef MODULE
395 printk(KERN_ERR "GUS MAX soundcard not found or device busy\n");
396#endif
397 return -ENODEV;
398 }
399 return 0;
400}
401
402static void __exit alsa_card_gusmax_exit(void)
403{
404 int idx;
405
406 for (idx = 0; idx < SNDRV_CARDS; idx++)
407 snd_card_free(snd_gusmax_cards[idx]);
408}
409
410module_init(alsa_card_gusmax_init)
411module_exit(alsa_card_gusmax_exit)
412
413#ifndef MODULE
414
415/* format is: snd-gusmax=enable,index,id,
416 port,irq,
417 dma1,dma2,
418 joystick_dac,
419 channels,pcm_channels */
420
421static int __init alsa_card_gusmax_setup(char *str)
422{
423 static unsigned __initdata nr_dev = 0;
424
425 if (nr_dev >= SNDRV_CARDS)
426 return 0;
427 (void)(get_option(&str,&enable[nr_dev]) == 2 &&
428 get_option(&str,&index[nr_dev]) == 2 &&
429 get_id(&str,&id[nr_dev]) == 2 &&
430 get_option(&str,(int *)&port[nr_dev]) == 2 &&
431 get_option(&str,&irq[nr_dev]) == 2 &&
432 get_option(&str,&dma1[nr_dev]) == 2 &&
433 get_option(&str,&dma2[nr_dev]) == 2 &&
434 get_option(&str,&joystick_dac[nr_dev]) == 2 &&
435 get_option(&str,&channels[nr_dev]) == 2 &&
436 get_option(&str,&pcm_channels[nr_dev]) == 2);
437 nr_dev++;
438 return 1;
439}
440
441__setup("snd-gusmax=", alsa_card_gusmax_setup);
442
443#endif /* ifndef MODULE */
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