[ALSA] unregister platform device again if probe was unsuccessful
[linux-2.6.git] / sound / isa / gus / gusextreme.c
1 /*
2  *  Driver for Gravis UltraSound Extreme soundcards
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 <linux/init.h>
24 #include <linux/err.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/time.h>
28 #include <linux/moduleparam.h>
29 #include <asm/dma.h>
30 #include <sound/core.h>
31 #include <sound/gus.h>
32 #include <sound/es1688.h>
33 #include <sound/mpu401.h>
34 #include <sound/opl3.h>
35 #define SNDRV_LEGACY_AUTO_PROBE
36 #define SNDRV_LEGACY_FIND_FREE_IRQ
37 #define SNDRV_LEGACY_FIND_FREE_DMA
38 #include <sound/initval.h>
39
40 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
41 MODULE_DESCRIPTION("Gravis UltraSound Extreme");
42 MODULE_LICENSE("GPL");
43 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound Extreme}}");
44
45 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
46 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
47 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
48 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260 */
49 static long gf1_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x210,0x220,0x230,0x240,0x250,0x260,0x270 */
50 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS) - 1] = -1}; /* 0x300,0x310,0x320 */
51 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */
52 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 5,7,9,10 */
53 static int gf1_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* 2,3,5,9,11,12,15 */
54 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 0,1,3 */
55 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
56 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
57                                 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
58 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
59 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
60
61 module_param_array(index, int, NULL, 0444);
62 MODULE_PARM_DESC(index, "Index value for GUS Extreme soundcard.");
63 module_param_array(id, charp, NULL, 0444);
64 MODULE_PARM_DESC(id, "ID string for GUS Extreme soundcard.");
65 module_param_array(enable, bool, NULL, 0444);
66 MODULE_PARM_DESC(enable, "Enable GUS Extreme soundcard.");
67 module_param_array(port, long, NULL, 0444);
68 MODULE_PARM_DESC(port, "Port # for GUS Extreme driver.");
69 module_param_array(gf1_port, long, NULL, 0444);
70 MODULE_PARM_DESC(gf1_port, "GF1 port # for GUS Extreme driver (optional).");
71 module_param_array(mpu_port, long, NULL, 0444);
72 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for GUS Extreme driver.");
73 module_param_array(irq, int, NULL, 0444);
74 MODULE_PARM_DESC(irq, "IRQ # for GUS Extreme driver.");
75 module_param_array(mpu_irq, int, NULL, 0444);
76 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for GUS Extreme driver.");
77 module_param_array(gf1_irq, int, NULL, 0444);
78 MODULE_PARM_DESC(gf1_irq, "GF1 IRQ # for GUS Extreme driver.");
79 module_param_array(dma8, int, NULL, 0444);
80 MODULE_PARM_DESC(dma8, "8-bit DMA # for GUS Extreme driver.");
81 module_param_array(dma1, int, NULL, 0444);
82 MODULE_PARM_DESC(dma1, "GF1 DMA # for GUS Extreme driver.");
83 module_param_array(joystick_dac, int, NULL, 0444);
84 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS Extreme driver.");
85 module_param_array(channels, int, NULL, 0444);
86 MODULE_PARM_DESC(channels, "GF1 channels for GUS Extreme driver.");
87 module_param_array(pcm_channels, int, NULL, 0444);
88 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Extreme driver.");
89
90 struct platform_device *devices[SNDRV_CARDS];
91
92
93 #define PFX     "gusextreme: "
94
95 static int __init snd_gusextreme_detect(int dev,
96                                         struct snd_card *card,
97                                         struct snd_gus_card * gus,
98                                         struct snd_es1688 *es1688)
99 {
100         unsigned long flags;
101         unsigned char d;
102
103         /*
104          * This is main stuff - enable access to GF1 chip...
105          * I'm not sure, if this will work for card which have
106          * ES1688 chip in another place than 0x220.
107          *
108          * I used reverse-engineering in DOSEMU. [--jk]
109          *
110          * ULTRINIT.EXE:
111          * 0x230 = 0,2,3
112          * 0x240 = 2,0,1
113          * 0x250 = 2,0,3
114          * 0x260 = 2,2,1
115          */
116
117         spin_lock_irqsave(&es1688->mixer_lock, flags);
118         snd_es1688_mixer_write(es1688, 0x40, 0x0b);     /* don't change!!! */
119         spin_unlock_irqrestore(&es1688->mixer_lock, flags);
120         spin_lock_irqsave(&es1688->reg_lock, flags);
121         outb(gf1_port[dev] & 0x040 ? 2 : 0, ES1688P(es1688, INIT1));
122         outb(0, 0x201);
123         outb(gf1_port[dev] & 0x020 ? 2 : 0, ES1688P(es1688, INIT1));
124         outb(0, 0x201);
125         outb(gf1_port[dev] & 0x010 ? 3 : 1, ES1688P(es1688, INIT1));
126         spin_unlock_irqrestore(&es1688->reg_lock, flags);
127
128         udelay(100);
129
130         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
131         if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
132                 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
133                 return -EIO;
134         }
135         udelay(160);
136         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
137         udelay(160);
138         if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
139                 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
140                 return -EIO;
141         }
142         return 0;
143 }
144
145 static void __init snd_gusextreme_init(int dev, struct snd_gus_card * gus)
146 {
147         gus->joystick_dac = joystick_dac[dev];
148 }
149
150 static int __init snd_gusextreme_mixer(struct snd_es1688 *chip)
151 {
152         struct snd_card *card = chip->card;
153         struct snd_ctl_elem_id id1, id2;
154         int err;
155
156         memset(&id1, 0, sizeof(id1));
157         memset(&id2, 0, sizeof(id2));
158         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
159         /* reassign AUX to SYNTHESIZER */
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 Master Playback Switch to Synth Playback Switch */
165         strcpy(id1.name, "Master Playback Switch");
166         strcpy(id2.name, "Synth Playback Switch");
167         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
168                 return err;
169         return 0;
170 }
171
172 static int __init snd_gusextreme_probe(struct platform_device *pdev)
173 {
174         int dev = pdev->id;
175         static int possible_ess_irqs[] = {5, 9, 10, 7, -1};
176         static int possible_ess_dmas[] = {1, 3, 0, -1};
177         static int possible_gf1_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
178         static int possible_gf1_dmas[] = {5, 6, 7, 1, 3, -1};
179         int xgf1_irq, xgf1_dma, xess_irq, xmpu_irq, xess_dma;
180         struct snd_card *card;
181         struct snd_gus_card *gus;
182         struct snd_es1688 *es1688;
183         struct snd_opl3 *opl3;
184         int err;
185
186         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
187         if (card == NULL)
188                 return -ENOMEM;
189
190         xgf1_irq = gf1_irq[dev];
191         if (xgf1_irq == SNDRV_AUTO_IRQ) {
192                 if ((xgf1_irq = snd_legacy_find_free_irq(possible_gf1_irqs)) < 0) {
193                         snd_printk(KERN_ERR PFX "unable to find a free IRQ for GF1\n");
194                         err = -EBUSY;
195                         goto out;
196                 }
197         }
198         xess_irq = irq[dev];
199         if (xess_irq == SNDRV_AUTO_IRQ) {
200                 if ((xess_irq = snd_legacy_find_free_irq(possible_ess_irqs)) < 0) {
201                         snd_printk(KERN_ERR PFX "unable to find a free IRQ for ES1688\n");
202                         err = -EBUSY;
203                         goto out;
204                 }
205         }
206         if (mpu_port[dev] == SNDRV_AUTO_PORT)
207                 mpu_port[dev] = 0;
208         xmpu_irq = mpu_irq[dev];
209         if (xmpu_irq > 15)
210                 xmpu_irq = -1;
211         xgf1_dma = dma1[dev];
212         if (xgf1_dma == SNDRV_AUTO_DMA) {
213                 if ((xgf1_dma = snd_legacy_find_free_dma(possible_gf1_dmas)) < 0) {
214                         snd_printk(KERN_ERR PFX "unable to find a free DMA for GF1\n");
215                         err = -EBUSY;
216                         goto out;
217                 }
218         }
219         xess_dma = dma8[dev];
220         if (xess_dma == SNDRV_AUTO_DMA) {
221                 if ((xess_dma = snd_legacy_find_free_dma(possible_ess_dmas)) < 0) {
222                         snd_printk(KERN_ERR PFX "unable to find a free DMA for ES1688\n");
223                         err = -EBUSY;
224                         goto out;
225                 }
226         }
227
228         if (port[dev] != SNDRV_AUTO_PORT) {
229                 err = snd_es1688_create(card, port[dev], mpu_port[dev],
230                                         xess_irq, xmpu_irq, xess_dma,
231                                         ES1688_HW_1688, &es1688);
232         } else {
233                 /* auto-probe legacy ports */
234                 static unsigned long possible_ports[] = {0x220, 0x240, 0x260};
235                 int i;
236                 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
237                         err = snd_es1688_create(card,
238                                                 possible_ports[i],
239                                                 mpu_port[dev],
240                                                 xess_irq, xmpu_irq, xess_dma,
241                                                 ES1688_HW_1688, &es1688);
242                         if (err >= 0) {
243                                 port[dev] = possible_ports[i];
244                                 break;
245                         }
246                 }
247         }
248         if (err < 0)
249                 goto out;
250
251         if (gf1_port[dev] < 0)
252                 gf1_port[dev] = port[dev] + 0x20;
253         if ((err = snd_gus_create(card,
254                                   gf1_port[dev],
255                                   xgf1_irq,
256                                   xgf1_dma,
257                                   -1,
258                                   0, channels[dev],
259                                   pcm_channels[dev], 0,
260                                   &gus)) < 0)
261                 goto out;
262
263         if ((err = snd_gusextreme_detect(dev, card, gus, es1688)) < 0)
264                 goto out;
265
266         snd_gusextreme_init(dev, gus);
267         if ((err = snd_gus_initialize(gus)) < 0)
268                 goto out;
269
270         if (!gus->ess_flag) {
271                 snd_printk(KERN_ERR PFX "GUS Extreme soundcard was not detected at 0x%lx\n", gus->gf1.port);
272                 err = -ENODEV;
273                 goto out;
274         }
275         if ((err = snd_es1688_pcm(es1688, 0, NULL)) < 0)
276                 goto out;
277
278         if ((err = snd_es1688_mixer(es1688)) < 0)
279                 goto out;
280
281         snd_component_add(card, "ES1688");
282         if (pcm_channels[dev] > 0) {
283                 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
284                         goto out;
285         }
286         if ((err = snd_gf1_new_mixer(gus)) < 0)
287                 goto out;
288
289         if ((err = snd_gusextreme_mixer(es1688)) < 0)
290                 goto out;
291
292         if (snd_opl3_create(card, es1688->port, es1688->port + 2,
293                             OPL3_HW_OPL3, 0, &opl3) < 0) {
294                 printk(KERN_ERR PFX "gusextreme: opl3 not detected at 0x%lx\n", es1688->port);
295         } else {
296                 if ((err = snd_opl3_hwdep_new(opl3, 0, 2, NULL)) < 0)
297                         goto out;
298         }
299
300         if (es1688->mpu_port >= 0x300 &&
301             (err = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
302                                                es1688->mpu_port, 0,
303                                                xmpu_irq,
304                                                SA_INTERRUPT,
305                                                NULL)) < 0)
306                 goto out;
307
308         sprintf(card->longname, "Gravis UltraSound Extreme at 0x%lx, irq %i&%i, dma %i&%i",
309                 es1688->port, xgf1_irq, xess_irq, xgf1_dma, xess_dma);
310
311         snd_card_set_dev(card, &pdev->dev);
312
313         if ((err = snd_card_register(card)) < 0)
314                 goto out;
315
316         platform_set_drvdata(pdev, card);
317         return 0;
318
319       out:
320         snd_card_free(card);
321         return err;
322 }
323
324 static int snd_gusextreme_remove(struct platform_device *devptr)
325 {
326         snd_card_free(platform_get_drvdata(devptr));
327         platform_set_drvdata(devptr, NULL);
328         return 0;
329 }
330
331 #define GUSEXTREME_DRIVER       "snd_gusextreme"
332
333 static struct platform_driver snd_gusextreme_driver = {
334         .probe          = snd_gusextreme_probe,
335         .remove         = snd_gusextreme_remove,
336         /* FIXME: suspend/resume */
337         .driver         = {
338                 .name   = GUSEXTREME_DRIVER
339         },
340 };
341
342 static void __init_or_module snd_gusextreme_unregister_all(void)
343 {
344         int i;
345
346         for (i = 0; i < ARRAY_SIZE(devices); ++i)
347                 platform_device_unregister(devices[i]);
348         platform_driver_unregister(&snd_gusextreme_driver);
349 }
350
351 static int __init alsa_card_gusextreme_init(void)
352 {
353         int i, cards, err;
354
355         err = platform_driver_register(&snd_gusextreme_driver);
356         if (err < 0)
357                 return err;
358
359         cards = 0;
360         for (i = 0; i < SNDRV_CARDS; i++) {
361                 struct platform_device *device;
362                 if (! enable[i])
363                         continue;
364                 device = platform_device_register_simple(GUSEXTREME_DRIVER,
365                                                          i, NULL, 0);
366                 if (IS_ERR(device))
367                         continue;
368                 if (!platform_get_drvdata(device)) {
369                         platform_device_unregister(device);
370                         continue;
371                 }
372                 devices[i] = device;
373                 cards++;
374         }
375         if (!cards) {
376 #ifdef MODULE
377                 printk(KERN_ERR "GUS Extreme soundcard not found or device busy\n");
378 #endif
379                 snd_gusextreme_unregister_all();
380                 return -ENODEV;
381         }
382         return 0;
383 }
384
385 static void __exit alsa_card_gusextreme_exit(void)
386 {
387         snd_gusextreme_unregister_all();
388 }
389
390 module_init(alsa_card_gusextreme_init)
391 module_exit(alsa_card_gusextreme_exit)