Merge commit 'v2.6.30-rc5' into next
[linux-2.6] / sound / isa / sb / sb8.c
1 /*
2  *  Driver for SoundBlaster 1.0/2.0/Pro soundcards and compatible
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/slab.h>
26 #include <linux/ioport.h>
27 #include <linux/moduleparam.h>
28 #include <sound/core.h>
29 #include <sound/sb.h>
30 #include <sound/opl3.h>
31 #include <sound/initval.h>
32
33 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
34 MODULE_DESCRIPTION("Sound Blaster 1.0/2.0/Pro");
35 MODULE_LICENSE("GPL");
36 MODULE_SUPPORTED_DEVICE("{{Creative Labs,SB 1.0/SB 2.0/SB Pro}}");
37
38 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
39 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
40 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
41 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x240,0x260 */
42 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 5,7,9,10 */
43 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3 */
44
45 module_param_array(index, int, NULL, 0444);
46 MODULE_PARM_DESC(index, "Index value for Sound Blaster soundcard.");
47 module_param_array(id, charp, NULL, 0444);
48 MODULE_PARM_DESC(id, "ID string for Sound Blaster soundcard.");
49 module_param_array(enable, bool, NULL, 0444);
50 MODULE_PARM_DESC(enable, "Enable Sound Blaster soundcard.");
51 module_param_array(port, long, NULL, 0444);
52 MODULE_PARM_DESC(port, "Port # for SB8 driver.");
53 module_param_array(irq, int, NULL, 0444);
54 MODULE_PARM_DESC(irq, "IRQ # for SB8 driver.");
55 module_param_array(dma8, int, NULL, 0444);
56 MODULE_PARM_DESC(dma8, "8-bit DMA # for SB8 driver.");
57
58 struct snd_sb8 {
59         struct resource *fm_res;        /* used to block FM i/o region for legacy cards */
60         struct snd_sb *chip;
61 };
62
63 static irqreturn_t snd_sb8_interrupt(int irq, void *dev_id)
64 {
65         struct snd_sb *chip = dev_id;
66
67         if (chip->open & SB_OPEN_PCM) {
68                 return snd_sb8dsp_interrupt(chip);
69         } else {
70                 return snd_sb8dsp_midi_interrupt(chip);
71         }
72 }
73
74 static void snd_sb8_free(struct snd_card *card)
75 {
76         struct snd_sb8 *acard = (struct snd_sb8 *)card->private_data;
77
78         if (acard == NULL)
79                 return;
80         release_and_free_resource(acard->fm_res);
81 }
82
83 static int __devinit snd_sb8_match(struct device *pdev, unsigned int dev)
84 {
85         if (!enable[dev])
86                 return 0;
87         if (irq[dev] == SNDRV_AUTO_IRQ) {
88                 dev_err(pdev, "please specify irq\n");
89                 return 0;
90         }
91         if (dma8[dev] == SNDRV_AUTO_DMA) {
92                 dev_err(pdev, "please specify dma8\n");
93                 return 0;
94         }
95         return 1;
96 }
97
98 static int __devinit snd_sb8_probe(struct device *pdev, unsigned int dev)
99 {
100         struct snd_sb *chip;
101         struct snd_card *card;
102         struct snd_sb8 *acard;
103         struct snd_opl3 *opl3;
104         int err;
105
106         err = snd_card_create(index[dev], id[dev], THIS_MODULE,
107                               sizeof(struct snd_sb8), &card);
108         if (err < 0)
109                 return err;
110         acard = card->private_data;
111         card->private_free = snd_sb8_free;
112
113         /* block the 0x388 port to avoid PnP conflicts */
114         acard->fm_res = request_region(0x388, 4, "SoundBlaster FM");
115
116         if (port[dev] != SNDRV_AUTO_PORT) {
117                 if ((err = snd_sbdsp_create(card, port[dev], irq[dev],
118                                             snd_sb8_interrupt,
119                                             dma8[dev],
120                                             -1,
121                                             SB_HW_AUTO,
122                                             &chip)) < 0)
123                         goto _err;
124         } else {
125                 /* auto-probe legacy ports */
126                 static unsigned long possible_ports[] = {
127                         0x220, 0x240, 0x260,
128                 };
129                 int i;
130                 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
131                         err = snd_sbdsp_create(card, possible_ports[i],
132                                                irq[dev],
133                                                snd_sb8_interrupt,
134                                                dma8[dev],
135                                                -1,
136                                                SB_HW_AUTO,
137                                                &chip);
138                         if (err >= 0) {
139                                 port[dev] = possible_ports[i];
140                                 break;
141                         }
142                 }
143                 if (i >= ARRAY_SIZE(possible_ports)) {
144                         err = -EINVAL;
145                         goto _err;
146                 }
147         }
148         acard->chip = chip;
149                         
150         if (chip->hardware >= SB_HW_16) {
151                 if (chip->hardware == SB_HW_ALS100)
152                         snd_printk(KERN_WARNING "ALS100 chip detected at 0x%lx, try snd-als100 module\n",
153                                     port[dev]);
154                 else
155                         snd_printk(KERN_WARNING "SB 16 chip detected at 0x%lx, try snd-sb16 module\n",
156                                    port[dev]);
157                 err = -ENODEV;
158                 goto _err;
159         }
160
161         if ((err = snd_sb8dsp_pcm(chip, 0, NULL)) < 0)
162                 goto _err;
163
164         if ((err = snd_sbmixer_new(chip)) < 0)
165                 goto _err;
166
167         if (chip->hardware == SB_HW_10 || chip->hardware == SB_HW_20) {
168                 if ((err = snd_opl3_create(card, chip->port + 8, 0,
169                                            OPL3_HW_AUTO, 1,
170                                            &opl3)) < 0) {
171                         snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx\n", chip->port + 8);
172                 }
173         } else {
174                 if ((err = snd_opl3_create(card, chip->port, chip->port + 2,
175                                            OPL3_HW_AUTO, 1,
176                                            &opl3)) < 0) {
177                         snd_printk(KERN_WARNING "sb8: no OPL device at 0x%lx-0x%lx\n",
178                                    chip->port, chip->port + 2);
179                 }
180         }
181         if (err >= 0) {
182                 if ((err = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0)
183                         goto _err;
184         }
185
186         if ((err = snd_sb8dsp_midi(chip, 0, NULL)) < 0)
187                 goto _err;
188
189         strcpy(card->driver, chip->hardware == SB_HW_PRO ? "SB Pro" : "SB8");
190         strcpy(card->shortname, chip->name);
191         sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
192                 chip->name,
193                 chip->port,
194                 irq[dev], dma8[dev]);
195
196         snd_card_set_dev(card, pdev);
197
198         if ((err = snd_card_register(card)) < 0)
199                 goto _err;
200
201         dev_set_drvdata(pdev, card);
202         return 0;
203
204  _err:
205         snd_card_free(card);
206         return err;
207 }
208
209 static int __devexit snd_sb8_remove(struct device *pdev, unsigned int dev)
210 {
211         snd_card_free(dev_get_drvdata(pdev));
212         dev_set_drvdata(pdev, NULL);
213         return 0;
214 }
215
216 #ifdef CONFIG_PM
217 static int snd_sb8_suspend(struct device *dev, unsigned int n,
218                            pm_message_t state)
219 {
220         struct snd_card *card = dev_get_drvdata(dev);
221         struct snd_sb8 *acard = card->private_data;
222         struct snd_sb *chip = acard->chip;
223
224         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
225         snd_pcm_suspend_all(chip->pcm);
226         snd_sbmixer_suspend(chip);
227         return 0;
228 }
229
230 static int snd_sb8_resume(struct device *dev, unsigned int n)
231 {
232         struct snd_card *card = dev_get_drvdata(dev);
233         struct snd_sb8 *acard = card->private_data;
234         struct snd_sb *chip = acard->chip;
235
236         snd_sbdsp_reset(chip);
237         snd_sbmixer_resume(chip);
238         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
239         return 0;
240 }
241 #endif
242
243 #define DEV_NAME "sb8"
244
245 static struct isa_driver snd_sb8_driver = {
246         .match          = snd_sb8_match,
247         .probe          = snd_sb8_probe,
248         .remove         = __devexit_p(snd_sb8_remove),
249 #ifdef CONFIG_PM
250         .suspend        = snd_sb8_suspend,
251         .resume         = snd_sb8_resume,
252 #endif
253         .driver         = {
254                 .name   = DEV_NAME 
255         },
256 };
257
258 static int __init alsa_card_sb8_init(void)
259 {
260         return isa_register_driver(&snd_sb8_driver, SNDRV_CARDS);
261 }
262
263 static void __exit alsa_card_sb8_exit(void)
264 {
265         isa_unregister_driver(&snd_sb8_driver);
266 }
267
268 module_init(alsa_card_sb8_init)
269 module_exit(alsa_card_sb8_exit)