atmel_serial: filter out FP during baud rate detection
[linux-2.6] / sound / isa / als100.c
1
2 /*
3     card-als100.c - driver for Avance Logic ALS100 based soundcards.
4     Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
5
6     Thanks to Pierfrancesco 'qM2' Passerini.
7
8     This program is free software; you can redistribute it and/or modify
9     it under the terms of the GNU General Public License as published by
10     the Free Software Foundation; either version 2 of the License, or
11     (at your option) any later version.
12
13     This program is distributed in the hope that it will be useful,
14     but WITHOUT ANY WARRANTY; without even the implied warranty of
15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16     GNU General Public License for more details.
17
18     You should have received a copy of the GNU General Public License
19     along with this program; if not, write to the Free Software
20     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21 */
22
23 #include <linux/init.h>
24 #include <linux/wait.h>
25 #include <linux/time.h>
26 #include <linux/pnp.h>
27 #include <linux/moduleparam.h>
28 #include <sound/core.h>
29 #include <sound/initval.h>
30 #include <sound/mpu401.h>
31 #include <sound/opl3.h>
32 #include <sound/sb.h>
33
34 #define PFX "als100: "
35
36 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
37 MODULE_DESCRIPTION("Avance Logic ALS1X0");
38 MODULE_LICENSE("GPL");
39 MODULE_SUPPORTED_DEVICE("{{Avance Logic,ALS100 - PRO16PNP},"
40                 "{Avance Logic,ALS110},"
41                 "{Avance Logic,ALS120},"
42                 "{Avance Logic,ALS200},"
43                 "{3D Melody,MF1000},"
44                 "{Digimate,3D Sound},"
45                 "{Avance Logic,ALS120},"
46                 "{RTL,RTL3000}}");
47
48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
51 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* PnP setup */
52 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
53 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;  /* PnP setup */
54 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* PnP setup */
55 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;    /* PnP setup */
56 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* PnP setup */
57 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;      /* PnP setup */
58
59 module_param_array(index, int, NULL, 0444);
60 MODULE_PARM_DESC(index, "Index value for als100 based soundcard.");
61 module_param_array(id, charp, NULL, 0444);
62 MODULE_PARM_DESC(id, "ID string for als100 based soundcard.");
63 module_param_array(enable, bool, NULL, 0444);
64 MODULE_PARM_DESC(enable, "Enable als100 based soundcard.");
65
66 struct snd_card_als100 {
67         int dev_no;
68         struct pnp_dev *dev;
69         struct pnp_dev *devmpu;
70         struct pnp_dev *devopl;
71         struct snd_sb *chip;
72 };
73
74 static struct pnp_card_device_id snd_als100_pnpids[] = {
75         /* ALS100 - PRO16PNP */
76         { .id = "ALS0001", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" } } },
77         /* ALS110 - MF1000 - Digimate 3D Sound */
78         { .id = "ALS0110", .devs = { { "@@@1001" }, { "@X@1001" }, { "@H@1001" } } },
79         /* ALS120 */
80         { .id = "ALS0120", .devs = { { "@@@2001" }, { "@X@2001" }, { "@H@2001" } } },
81         /* ALS200 */
82         { .id = "ALS0200", .devs = { { "@@@0020" }, { "@X@0020" }, { "@H@0001" } } },
83         /* ALS200 OEM */
84         { .id = "ALS0200", .devs = { { "@@@0020" }, { "@X@0020" }, { "@H@0020" } } },
85         /* RTL3000 */
86         { .id = "RTL3000", .devs = { { "@@@2001" }, { "@X@2001" }, { "@H@2001" } } },
87         { .id = "", } /* end */
88 };
89
90 MODULE_DEVICE_TABLE(pnp_card, snd_als100_pnpids);
91
92 #define DRIVER_NAME     "snd-card-als100"
93
94 static int __devinit snd_card_als100_pnp(int dev, struct snd_card_als100 *acard,
95                                          struct pnp_card_link *card,
96                                          const struct pnp_card_device_id *id)
97 {
98         struct pnp_dev *pdev;
99         int err;
100
101         acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
102         if (acard->dev == NULL)
103                 return -ENODEV;
104
105         acard->devmpu = pnp_request_card_device(card, id->devs[1].id, acard->dev);
106         acard->devopl = pnp_request_card_device(card, id->devs[2].id, acard->dev);
107
108         pdev = acard->dev;
109
110         err = pnp_activate_dev(pdev);
111         if (err < 0) {
112                 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
113                 return err;
114         }
115         port[dev] = pnp_port_start(pdev, 0);
116         dma8[dev] = pnp_dma(pdev, 1);
117         dma16[dev] = pnp_dma(pdev, 0);
118         irq[dev] = pnp_irq(pdev, 0);
119
120         pdev = acard->devmpu;
121         if (pdev != NULL) {
122                 err = pnp_activate_dev(pdev);
123                 if (err < 0)
124                         goto __mpu_error;
125                 mpu_port[dev] = pnp_port_start(pdev, 0);
126                 mpu_irq[dev] = pnp_irq(pdev, 0);
127         } else {
128              __mpu_error:
129                 if (pdev) {
130                         pnp_release_card_device(pdev);
131                         snd_printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n");
132                 }
133                 acard->devmpu = NULL;
134                 mpu_port[dev] = -1;
135         }
136
137         pdev = acard->devopl;
138         if (pdev != NULL) {
139                 err = pnp_activate_dev(pdev);
140                 if (err < 0)
141                         goto __fm_error;
142                 fm_port[dev] = pnp_port_start(pdev, 0);
143         } else {
144               __fm_error:
145                 if (pdev) {
146                         pnp_release_card_device(pdev);
147                         snd_printk(KERN_ERR PFX "OPL3 pnp configure failure, skipping\n");
148                 }
149                 acard->devopl = NULL;
150                 fm_port[dev] = -1;
151         }
152
153         return 0;
154 }
155
156 static int __devinit snd_card_als100_probe(int dev,
157                                         struct pnp_card_link *pcard,
158                                         const struct pnp_card_device_id *pid)
159 {
160         int error;
161         struct snd_sb *chip;
162         struct snd_card *card;
163         struct snd_card_als100 *acard;
164         struct snd_opl3 *opl3;
165
166         if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
167                                  sizeof(struct snd_card_als100))) == NULL)
168                 return -ENOMEM;
169         acard = card->private_data;
170
171         if ((error = snd_card_als100_pnp(dev, acard, pcard, pid))) {
172                 snd_card_free(card);
173                 return error;
174         }
175         snd_card_set_dev(card, &pcard->card->dev);
176
177         if ((error = snd_sbdsp_create(card, port[dev],
178                                       irq[dev],
179                                       snd_sb16dsp_interrupt,
180                                       dma8[dev],
181                                       dma16[dev],
182                                       SB_HW_ALS100, &chip)) < 0) {
183                 snd_card_free(card);
184                 return error;
185         }
186         acard->chip = chip;
187
188         strcpy(card->driver, "ALS100");
189         strcpy(card->shortname, "Avance Logic ALS100");
190         sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
191                 card->shortname, chip->name, chip->port,
192                 irq[dev], dma8[dev], dma16[dev]);
193
194         if ((error = snd_sb16dsp_pcm(chip, 0, NULL)) < 0) {
195                 snd_card_free(card);
196                 return error;
197         }
198
199         if ((error = snd_sbmixer_new(chip)) < 0) {
200                 snd_card_free(card);
201                 return error;
202         }
203
204         if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
205                 if (snd_mpu401_uart_new(card, 0, MPU401_HW_ALS100,
206                                         mpu_port[dev], 0, 
207                                         mpu_irq[dev], IRQF_DISABLED,
208                                         NULL) < 0)
209                         snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]);
210         }
211
212         if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
213                 if (snd_opl3_create(card,
214                                     fm_port[dev], fm_port[dev] + 2,
215                                     OPL3_HW_AUTO, 0, &opl3) < 0) {
216                         snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
217                                    fm_port[dev], fm_port[dev] + 2);
218                 } else {
219                         if ((error = snd_opl3_timer_new(opl3, 0, 1)) < 0) {
220                                 snd_card_free(card);
221                                 return error;
222                         }
223                         if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
224                                 snd_card_free(card);
225                                 return error;
226                         }
227                 }
228         }
229
230         if ((error = snd_card_register(card)) < 0) {
231                 snd_card_free(card);
232                 return error;
233         }
234         pnp_set_card_drvdata(pcard, card);
235         return 0;
236 }
237
238 static unsigned int __devinitdata als100_devices;
239
240 static int __devinit snd_als100_pnp_detect(struct pnp_card_link *card,
241                                            const struct pnp_card_device_id *id)
242 {
243         static int dev;
244         int res;
245
246         for ( ; dev < SNDRV_CARDS; dev++) {
247                 if (!enable[dev])
248                         continue;
249                 res = snd_card_als100_probe(dev, card, id);
250                 if (res < 0)
251                         return res;
252                 dev++;
253                 als100_devices++;
254                 return 0;
255         }
256         return -ENODEV;
257 }
258
259 static void __devexit snd_als100_pnp_remove(struct pnp_card_link * pcard)
260 {
261         snd_card_free(pnp_get_card_drvdata(pcard));
262         pnp_set_card_drvdata(pcard, NULL);
263 }
264
265 #ifdef CONFIG_PM
266 static int snd_als100_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
267 {
268         struct snd_card *card = pnp_get_card_drvdata(pcard);
269         struct snd_card_als100 *acard = card->private_data;
270         struct snd_sb *chip = acard->chip;
271
272         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
273         snd_pcm_suspend_all(chip->pcm);
274         snd_sbmixer_suspend(chip);
275         return 0;
276 }
277
278 static int snd_als100_pnp_resume(struct pnp_card_link *pcard)
279 {
280         struct snd_card *card = pnp_get_card_drvdata(pcard);
281         struct snd_card_als100 *acard = card->private_data;
282         struct snd_sb *chip = acard->chip;
283
284         snd_sbdsp_reset(chip);
285         snd_sbmixer_resume(chip);
286         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
287         return 0;
288 }
289 #endif
290
291 static struct pnp_card_driver als100_pnpc_driver = {
292         .flags          = PNP_DRIVER_RES_DISABLE,
293         .name           = "als100",
294         .id_table       = snd_als100_pnpids,
295         .probe          = snd_als100_pnp_detect,
296         .remove         = __devexit_p(snd_als100_pnp_remove),
297 #ifdef CONFIG_PM
298         .suspend        = snd_als100_pnp_suspend,
299         .resume         = snd_als100_pnp_resume,
300 #endif
301 };
302
303 static int __init alsa_card_als100_init(void)
304 {
305         int err;
306
307         err = pnp_register_card_driver(&als100_pnpc_driver);
308         if (err)
309                 return err;
310
311         if (!als100_devices) {
312                 pnp_unregister_card_driver(&als100_pnpc_driver);
313 #ifdef MODULE
314                 snd_printk(KERN_ERR "no ALS100 based soundcards found\n");
315 #endif
316                 return -ENODEV;
317         }
318         return 0;
319 }
320
321 static void __exit alsa_card_als100_exit(void)
322 {
323         pnp_unregister_card_driver(&als100_pnpc_driver);
324 }
325
326 module_init(alsa_card_als100_init)
327 module_exit(alsa_card_als100_exit)