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Add linux-next specific files for 20110831
[linux-2.6/next.git] / sound / isa / gus / gusmax.c
blob3e4a58b72913d613e719a9ccc912d0bf75661a0d
1 /*
2 * Driver for Gravis UltraSound MAX soundcard
3 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <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/wss.h>
32 #define SNDRV_LEGACY_FIND_FREE_IRQ
33 #define SNDRV_LEGACY_FIND_FREE_DMA
34 #include <sound/initval.h>
35
36 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37 MODULE_DESCRIPTION("Gravis UltraSound MAX");
38 MODULE_LICENSE("GPL");
39 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
40
41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
43 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
44 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
45 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
46 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
47 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
48 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
49 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
50 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
51 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
52
53 module_param_array(index, int, NULL, 0444);
54 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
55 module_param_array(id, charp, NULL, 0444);
56 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
57 module_param_array(enable, bool, NULL, 0444);
58 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
59 module_param_array(port, long, NULL, 0444);
60 MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
61 module_param_array(irq, int, NULL, 0444);
62 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
63 module_param_array(dma1, int, NULL, 0444);
64 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
65 module_param_array(dma2, int, NULL, 0444);
66 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
67 module_param_array(joystick_dac, int, NULL, 0444);
68 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
69 module_param_array(channels, int, NULL, 0444);
70 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
71 module_param_array(pcm_channels, int, NULL, 0444);
72 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
73
74 struct snd_gusmax {
75 int irq;
76 struct snd_card *card;
77 struct snd_gus_card *gus;
78 struct snd_wss *wss;
79 unsigned short gus_status_reg;
80 unsigned short pcm_status_reg;
81 };
82
83 #define PFX "gusmax: "
84
85 static 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); /* reset GF1 */
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); /* release reset */
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
105 static 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) { /* IRQ bit is set? */
119 handled = 1;
120 snd_wss_interrupt(irq, maxcard->wss);
121 loop++;
122 }
123 } while (loop && --max > 0);
124 return IRQ_RETVAL(handled);
125 }
126
127 static 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 /* init control register */
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 static int __devinit snd_gusmax_mixer(struct snd_wss *chip)
144 {
145 struct snd_card *card = chip->card;
146 struct snd_ctl_elem_id id1, id2;
147 int err;
148
149 memset(&id1, 0, sizeof(id1));
150 memset(&id2, 0, sizeof(id2));
151 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
152 /* reassign AUXA to SYNTHESIZER */
153 strcpy(id1.name, "Aux Playback Switch");
154 strcpy(id2.name, "Synth Playback Switch");
155 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
156 return err;
157 strcpy(id1.name, "Aux Playback Volume");
158 strcpy(id2.name, "Synth Playback Volume");
159 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
160 return err;
161 /* reassign AUXB to CD */
162 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
163 strcpy(id2.name, "CD Playback Switch");
164 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
165 return err;
166 strcpy(id1.name, "Aux Playback Volume");
167 strcpy(id2.name, "CD Playback Volume");
168 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
169 return err;
170 #if 0
171 /* reassign Mono Input to MIC */
172 if (snd_mixer_group_rename(mixer,
173 SNDRV_MIXER_IN_MONO, 0,
174 SNDRV_MIXER_IN_MIC, 0) < 0)
175 goto __error;
176 if (snd_mixer_elem_rename(mixer,
177 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
178 SNDRV_MIXER_IN_MIC, 0) < 0)
179 goto __error;
180 if (snd_mixer_elem_rename(mixer,
181 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
182 "Mic Capture Volume", 0) < 0)
183 goto __error;
184 if (snd_mixer_elem_rename(mixer,
185 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
186 "Mic Capture Switch", 0) < 0)
187 goto __error;
188 #endif
189 return 0;
190 }
191
192 static void snd_gusmax_free(struct snd_card *card)
193 {
194 struct snd_gusmax *maxcard = card->private_data;
195
196 if (maxcard == NULL)
197 return;
198 if (maxcard->irq >= 0)
199 free_irq(maxcard->irq, (void *)maxcard);
200 }
201
202 static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
203 {
204 return enable[dev];
205 }
206
207 static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev)
208 {
209 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
210 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
211 int xirq, xdma1, xdma2, err;
212 struct snd_card *card;
213 struct snd_gus_card *gus = NULL;
214 struct snd_wss *wss;
215 struct snd_gusmax *maxcard;
216
217 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
218 sizeof(struct snd_gusmax), &card);
219 if (err < 0)
220 return err;
221 card->private_free = snd_gusmax_free;
222 maxcard = card->private_data;
223 maxcard->card = card;
224 maxcard->irq = -1;
225
226 xirq = irq[dev];
227 if (xirq == SNDRV_AUTO_IRQ) {
228 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
229 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
230 err = -EBUSY;
231 goto _err;
232 }
233 }
234 xdma1 = dma1[dev];
235 if (xdma1 == SNDRV_AUTO_DMA) {
236 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
237 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
238 err = -EBUSY;
239 goto _err;
240 }
241 }
242 xdma2 = dma2[dev];
243 if (xdma2 == SNDRV_AUTO_DMA) {
244 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
245 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
246 err = -EBUSY;
247 goto _err;
248 }
249 }
250
251 if (port[dev] != SNDRV_AUTO_PORT) {
252 err = snd_gus_create(card,
253 port[dev],
254 -xirq, xdma1, xdma2,
255 0, channels[dev],
256 pcm_channels[dev],
257 0, &gus);
258 } else {
259 static unsigned long possible_ports[] = {
260 0x220, 0x230, 0x240, 0x250, 0x260
261 };
262 int i;
263 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
264 err = snd_gus_create(card,
265 possible_ports[i],
266 -xirq, xdma1, xdma2,
267 0, channels[dev],
268 pcm_channels[dev],
269 0, &gus);
270 if (err >= 0) {
271 port[dev] = possible_ports[i];
272 break;
273 }
274 }
275 }
276 if (err < 0)
277 goto _err;
278
279 if ((err = snd_gusmax_detect(gus)) < 0)
280 goto _err;
281
282 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
283 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
284 snd_gusmax_init(dev, card, gus);
285 if ((err = snd_gus_initialize(gus)) < 0)
286 goto _err;
287
288 if (!gus->max_flag) {
289 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
290 err = -ENODEV;
291 goto _err;
292 }
293
294 if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) {
295 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
296 err = -EBUSY;
297 goto _err;
298 }
299 maxcard->irq = xirq;
300
301 err = snd_wss_create(card,
302 gus->gf1.port + 0x10c, -1, xirq,
303 xdma2 < 0 ? xdma1 : xdma2, xdma1,
304 WSS_HW_DETECT,
305 WSS_HWSHARE_IRQ |
306 WSS_HWSHARE_DMA1 |
307 WSS_HWSHARE_DMA2,
308 &wss);
309 if (err < 0)
310 goto _err;
311
312 err = snd_wss_pcm(wss, 0, NULL);
313 if (err < 0)
314 goto _err;
315
316 err = snd_wss_mixer(wss);
317 if (err < 0)
318 goto _err;
319
320 err = snd_wss_timer(wss, 2, NULL);
321 if (err < 0)
322 goto _err;
323
324 if (pcm_channels[dev] > 0) {
325 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
326 goto _err;
327 }
328 err = snd_gusmax_mixer(wss);
329 if (err < 0)
330 goto _err;
331
332 err = snd_gf1_rawmidi_new(gus, 0, NULL);
333 if (err < 0)
334 goto _err;
335
336 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
337 if (xdma2 >= 0)
338 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
339
340 snd_card_set_dev(card, pdev);
341
342 err = snd_card_register(card);
343 if (err < 0)
344 goto _err;
345
346 maxcard->gus = gus;
347 maxcard->wss = wss;
348
349 dev_set_drvdata(pdev, card);
350 return 0;
351
352 _err:
353 snd_card_free(card);
354 return err;
355 }
356
357 static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev)
358 {
359 snd_card_free(dev_get_drvdata(devptr));
360 dev_set_drvdata(devptr, NULL);
361 return 0;
362 }
363
364 #define DEV_NAME "gusmax"
365
366 static struct isa_driver snd_gusmax_driver = {
367 .match = snd_gusmax_match,
368 .probe = snd_gusmax_probe,
369 .remove = __devexit_p(snd_gusmax_remove),
370 /* FIXME: suspend/resume */
371 .driver = {
372 .name = DEV_NAME
373 },
374 };
375
376 static int __init alsa_card_gusmax_init(void)
377 {
378 return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
379 }
380
381 static void __exit alsa_card_gusmax_exit(void)
382 {
383 isa_unregister_driver(&snd_gusmax_driver);
384 }
385
386 module_init(alsa_card_gusmax_init)
387 module_exit(alsa_card_gusmax_exit)
linux-next