[ALSA] Remove sound/driver.h
[linux-2.6.git] / sound / isa / gus / gusmax.c
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/cs4231.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_cs4231 *cs4231;
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_cs4231_interrupt(irq, maxcard->cs4231);
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 #define CS4231_PRIVATE( left, right, shift, mute ) \
144                         ((left << 24)|(right << 16)|(shift<<8)|mute)
145
146 static 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         /* reassign AUXA to SYNTHESIZER */
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         /* reassign AUXB to CD */
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         /* reassign Mono Input to MIC */
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
195 static 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
205 static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
206 {
207         return enable[dev];
208 }
209
210 static 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
353 static 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
362 static struct isa_driver snd_gusmax_driver = {
363         .match          = snd_gusmax_match,
364         .probe          = snd_gusmax_probe,
365         .remove         = __devexit_p(snd_gusmax_remove),
366         /* FIXME: suspend/resume */
367         .driver         = {
368                 .name   = DEV_NAME
369         },
370 };
371
372 static int __init alsa_card_gusmax_init(void)
373 {
374         return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
375 }
376
377 static void __exit alsa_card_gusmax_exit(void)
378 {
379         isa_unregister_driver(&snd_gusmax_driver);
380 }
381
382 module_init(alsa_card_gusmax_init)
383 module_exit(alsa_card_gusmax_exit)