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es1688.c
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1 /*
2  * Driver for generic ESS AudioDrive ESx688 soundcards
3  * Copyright (c) by Jaroslav Kysela <[email protected]>
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/isapnp.h>
26 #include <linux/time.h>
27 #include <linux/wait.h>
28 #include <linux/module.h>
29 #include <asm/dma.h>
30 #include <sound/core.h>
31 #include <sound/es1688.h>
32 #include <sound/mpu401.h>
33 #include <sound/opl3.h>
34 #define SNDRV_LEGACY_FIND_FREE_IRQ
35 #define SNDRV_LEGACY_FIND_FREE_DMA
36 #include <sound/initval.h>
37 
38 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
39 #define DEV_NAME "es1688"
40 
42 MODULE_AUTHOR("Jaroslav Kysela <[email protected]>");
43 MODULE_LICENSE("GPL");
44 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
45  "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
46  "{ESS,ES688 AudioDrive,pnp:ESS6881},"
47  "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
48 
49 MODULE_ALIAS("snd_es968");
50 
51 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
52 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
53 #ifdef CONFIG_PNP
54 static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
55 #endif
56 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
57 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
58 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
59 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
60 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
61 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
62 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
63 
64 module_param_array(index, int, NULL, 0444);
65 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
66 module_param_array(id, charp, NULL, 0444);
67 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
68 module_param_array(enable, bool, NULL, 0444);
69 #ifdef CONFIG_PNP
70 module_param_array(isapnp, bool, NULL, 0444);
71 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
72 #endif
73 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
74 module_param_array(port, long, NULL, 0444);
75 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
76 module_param_array(mpu_port, long, NULL, 0444);
77 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
78 module_param_array(irq, int, NULL, 0444);
79 module_param_array(fm_port, long, NULL, 0444);
80 MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
81 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
82 module_param_array(mpu_irq, int, NULL, 0444);
83 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
84 module_param_array(dma8, int, NULL, 0444);
85 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
86 
87 #ifdef CONFIG_PNP
88 #define is_isapnp_selected(dev) isapnp[dev]
89 #else
90 #define is_isapnp_selected(dev) 0
91 #endif
92 
93 static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
94 {
95  return enable[n] && !is_isapnp_selected(n);
96 }
97 
98 static int __devinit snd_es1688_legacy_create(struct snd_card *card,
99  struct device *dev, unsigned int n)
100 {
101  struct snd_es1688 *chip = card->private_data;
102  static long possible_ports[] = {0x220, 0x240, 0x260};
103  static int possible_irqs[] = {5, 9, 10, 7, -1};
104  static int possible_dmas[] = {1, 3, 0, -1};
105 
106  int i, error;
107 
108  if (irq[n] == SNDRV_AUTO_IRQ) {
109  irq[n] = snd_legacy_find_free_irq(possible_irqs);
110  if (irq[n] < 0) {
111  dev_err(dev, "unable to find a free IRQ\n");
112  return -EBUSY;
113  }
114  }
115  if (dma8[n] == SNDRV_AUTO_DMA) {
116  dma8[n] = snd_legacy_find_free_dma(possible_dmas);
117  if (dma8[n] < 0) {
118  dev_err(dev, "unable to find a free DMA\n");
119  return -EBUSY;
120  }
121  }
122 
123  if (port[n] != SNDRV_AUTO_PORT)
124  return snd_es1688_create(card, chip, port[n], mpu_port[n],
125  irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
126 
127  i = 0;
128  do {
129  port[n] = possible_ports[i];
130  error = snd_es1688_create(card, chip, port[n], mpu_port[n],
131  irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
132  } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
133 
134  return error;
135 }
136 
137 static int __devinit snd_es1688_probe(struct snd_card *card, unsigned int n)
138 {
139  struct snd_es1688 *chip = card->private_data;
140  struct snd_opl3 *opl3;
141  struct snd_pcm *pcm;
142  int error;
143 
144  error = snd_es1688_pcm(card, chip, 0, &pcm);
145  if (error < 0)
146  return error;
147 
148  error = snd_es1688_mixer(card, chip);
149  if (error < 0)
150  return error;
151 
152  strlcpy(card->driver, "ES1688", sizeof(card->driver));
153  strlcpy(card->shortname, pcm->name, sizeof(card->shortname));
154  snprintf(card->longname, sizeof(card->longname),
155  "%s at 0x%lx, irq %i, dma %i", pcm->name, chip->port,
156  chip->irq, chip->dma8);
157 
158  if (fm_port[n] == SNDRV_AUTO_PORT)
159  fm_port[n] = port[n]; /* share the same port */
160 
161  if (fm_port[n] > 0) {
162  if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
163  OPL3_HW_OPL3, 0, &opl3) < 0)
164  dev_warn(card->dev,
165  "opl3 not detected at 0x%lx\n", fm_port[n]);
166  else {
167  error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
168  if (error < 0)
169  return error;
170  }
171  }
172 
173  if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
174  chip->mpu_port > 0) {
175  error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
176  chip->mpu_port, 0,
177  mpu_irq[n], NULL);
178  if (error < 0)
179  return error;
180  }
181 
182  return snd_card_register(card);
183 }
184 
185 static int __devinit snd_es1688_isa_probe(struct device *dev, unsigned int n)
186 {
187  struct snd_card *card;
188  int error;
189 
190  error = snd_card_create(index[n], id[n], THIS_MODULE,
191  sizeof(struct snd_es1688), &card);
192  if (error < 0)
193  return error;
194 
195  error = snd_es1688_legacy_create(card, dev, n);
196  if (error < 0)
197  goto out;
198 
199  snd_card_set_dev(card, dev);
200 
201  error = snd_es1688_probe(card, n);
202  if (error < 0)
203  goto out;
204 
205  dev_set_drvdata(dev, card);
206 
207  return 0;
208 out:
209  snd_card_free(card);
210  return error;
211 }
212 
213 static int __devexit snd_es1688_isa_remove(struct device *dev, unsigned int n)
214 {
216  dev_set_drvdata(dev, NULL);
217  return 0;
218 }
219 
220 static struct isa_driver snd_es1688_driver = {
221  .match = snd_es1688_match,
222  .probe = snd_es1688_isa_probe,
223  .remove = __devexit_p(snd_es1688_isa_remove),
224 #if 0 /* FIXME */
225  .suspend = snd_es1688_suspend,
226  .resume = snd_es1688_resume,
227 #endif
228  .driver = {
229  .name = DEV_NAME
230  }
231 };
232 
233 static int snd_es968_pnp_is_probed;
234 
235 #ifdef CONFIG_PNP
236 static int __devinit snd_card_es968_pnp(struct snd_card *card, unsigned int n,
237  struct pnp_card_link *pcard,
238  const struct pnp_card_device_id *pid)
239 {
240  struct snd_es1688 *chip = card->private_data;
241  struct pnp_dev *pdev;
242  int error;
243 
244  pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
245  if (pdev == NULL)
246  return -ENODEV;
247 
248  error = pnp_activate_dev(pdev);
249  if (error < 0) {
250  snd_printk(KERN_ERR "ES968 pnp configure failure\n");
251  return error;
252  }
253  port[n] = pnp_port_start(pdev, 0);
254  dma8[n] = pnp_dma(pdev, 0);
255  irq[n] = pnp_irq(pdev, 0);
256 
257  return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
258  mpu_irq[n], dma8[n], ES1688_HW_AUTO);
259 }
260 
261 static int __devinit snd_es968_pnp_detect(struct pnp_card_link *pcard,
262  const struct pnp_card_device_id *pid)
263 {
264  struct snd_card *card;
265  static unsigned int dev;
266  int error;
267  struct snd_es1688 *chip;
268 
269  if (snd_es968_pnp_is_probed)
270  return -EBUSY;
271  for ( ; dev < SNDRV_CARDS; dev++) {
272  if (enable[dev] && isapnp[dev])
273  break;
274  }
275  if (dev == SNDRV_CARDS)
276  return -ENODEV;
277 
278  error = snd_card_create(index[dev], id[dev], THIS_MODULE,
279  sizeof(struct snd_es1688), &card);
280  if (error < 0)
281  return error;
282  chip = card->private_data;
283 
284  error = snd_card_es968_pnp(card, dev, pcard, pid);
285  if (error < 0) {
286  snd_card_free(card);
287  return error;
288  }
289  snd_card_set_dev(card, &pcard->card->dev);
290  error = snd_es1688_probe(card, dev);
291  if (error < 0)
292  return error;
293  pnp_set_card_drvdata(pcard, card);
294  snd_es968_pnp_is_probed = 1;
295  return 0;
296 }
297 
298 static void __devexit snd_es968_pnp_remove(struct pnp_card_link * pcard)
299 {
300  snd_card_free(pnp_get_card_drvdata(pcard));
301  pnp_set_card_drvdata(pcard, NULL);
302  snd_es968_pnp_is_probed = 0;
303 }
304 
305 #ifdef CONFIG_PM
306 static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
308 {
309  struct snd_card *card = pnp_get_card_drvdata(pcard);
310  struct snd_es1688 *chip = card->private_data;
311 
313  snd_pcm_suspend_all(chip->pcm);
314  return 0;
315 }
316 
317 static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
318 {
319  struct snd_card *card = pnp_get_card_drvdata(pcard);
320  struct snd_es1688 *chip = card->private_data;
321 
322  snd_es1688_reset(chip);
324  return 0;
325 }
326 #endif
327 
328 static struct pnp_card_device_id snd_es968_pnpids[] = {
329  { .id = "ESS0968", .devs = { { "@@@0968" }, } },
330  { .id = "ESS0968", .devs = { { "ESS0968" }, } },
331  { .id = "", } /* end */
332 };
333 
334 MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
335 
336 static struct pnp_card_driver es968_pnpc_driver = {
338  .name = DEV_NAME " PnP",
339  .id_table = snd_es968_pnpids,
340  .probe = snd_es968_pnp_detect,
341  .remove = __devexit_p(snd_es968_pnp_remove),
342 #ifdef CONFIG_PM
343  .suspend = snd_es968_pnp_suspend,
344  .resume = snd_es968_pnp_resume,
345 #endif
346 };
347 #endif
348 
349 static int __init alsa_card_es1688_init(void)
350 {
351 #ifdef CONFIG_PNP
352  pnp_register_card_driver(&es968_pnpc_driver);
353  if (snd_es968_pnp_is_probed)
354  return 0;
355  pnp_unregister_card_driver(&es968_pnpc_driver);
356 #endif
357  return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
358 }
359 
360 static void __exit alsa_card_es1688_exit(void)
361 {
362  if (!snd_es968_pnp_is_probed) {
363  isa_unregister_driver(&snd_es1688_driver);
364  return;
365  }
366 #ifdef CONFIG_PNP
367  pnp_unregister_card_driver(&es968_pnpc_driver);
368 #endif
369 }
370 
371 module_init(alsa_card_es1688_init);
372 module_exit(alsa_card_es1688_exit);