Version:  2.0.40 2.2.26 2.4.37 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15

Linux/sound/isa/es1688/es1688.c

  1 /*
  2  *  Driver for generic ESS AudioDrive ESx688 soundcards
  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/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 
 41 MODULE_DESCRIPTION(CRD_NAME);
 42 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
 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 snd_es1688_match(struct device *dev, unsigned int n)
 94 {
 95         return enable[n] && !is_isapnp_selected(n);
 96 }
 97 
 98 static int 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 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 snd_es1688_isa_probe(struct device *dev, unsigned int n)
186 {
187         struct snd_card *card;
188         int error;
189 
190         error = snd_card_new(dev, 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         error = snd_es1688_probe(card, n);
200         if (error < 0)
201                 goto out;
202 
203         dev_set_drvdata(dev, card);
204 
205         return 0;
206 out:
207         snd_card_free(card);
208         return error;
209 }
210 
211 static int snd_es1688_isa_remove(struct device *dev, unsigned int n)
212 {
213         snd_card_free(dev_get_drvdata(dev));
214         return 0;
215 }
216 
217 static struct isa_driver snd_es1688_driver = {
218         .match          = snd_es1688_match,
219         .probe          = snd_es1688_isa_probe,
220         .remove         = snd_es1688_isa_remove,
221 #if 0   /* FIXME */
222         .suspend        = snd_es1688_suspend,
223         .resume         = snd_es1688_resume,
224 #endif
225         .driver         = {
226                 .name   = DEV_NAME
227         }
228 };
229 
230 static int snd_es968_pnp_is_probed;
231 
232 #ifdef CONFIG_PNP
233 static int snd_card_es968_pnp(struct snd_card *card, unsigned int n,
234                               struct pnp_card_link *pcard,
235                               const struct pnp_card_device_id *pid)
236 {
237         struct snd_es1688 *chip = card->private_data;
238         struct pnp_dev *pdev;
239         int error;
240 
241         pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
242         if (pdev == NULL)
243                 return -ENODEV;
244 
245         error = pnp_activate_dev(pdev);
246         if (error < 0) {
247                 snd_printk(KERN_ERR "ES968 pnp configure failure\n");
248                 return error;
249         }
250         port[n] = pnp_port_start(pdev, 0);
251         dma8[n] = pnp_dma(pdev, 0);
252         irq[n] = pnp_irq(pdev, 0);
253 
254         return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
255                                  mpu_irq[n], dma8[n], ES1688_HW_AUTO);
256 }
257 
258 static int snd_es968_pnp_detect(struct pnp_card_link *pcard,
259                                 const struct pnp_card_device_id *pid)
260 {
261         struct snd_card *card;
262         static unsigned int dev;
263         int error;
264         struct snd_es1688 *chip;
265 
266         if (snd_es968_pnp_is_probed)
267                 return -EBUSY;
268         for ( ; dev < SNDRV_CARDS; dev++) {
269                 if (enable[dev] && isapnp[dev])
270                         break;
271         }
272         if (dev == SNDRV_CARDS)
273                 return -ENODEV;
274 
275         error = snd_card_new(&pcard->card->dev,
276                              index[dev], id[dev], THIS_MODULE,
277                              sizeof(struct snd_es1688), &card);
278         if (error < 0)
279                 return error;
280         chip = card->private_data;
281 
282         error = snd_card_es968_pnp(card, dev, pcard, pid);
283         if (error < 0) {
284                 snd_card_free(card);
285                 return error;
286         }
287         error = snd_es1688_probe(card, dev);
288         if (error < 0)
289                 return error;
290         pnp_set_card_drvdata(pcard, card);
291         snd_es968_pnp_is_probed = 1;
292         return 0;
293 }
294 
295 static void snd_es968_pnp_remove(struct pnp_card_link *pcard)
296 {
297         snd_card_free(pnp_get_card_drvdata(pcard));
298         pnp_set_card_drvdata(pcard, NULL);
299         snd_es968_pnp_is_probed = 0;
300 }
301 
302 #ifdef CONFIG_PM
303 static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
304                                  pm_message_t state)
305 {
306         struct snd_card *card = pnp_get_card_drvdata(pcard);
307         struct snd_es1688 *chip = card->private_data;
308 
309         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
310         snd_pcm_suspend_all(chip->pcm);
311         return 0;
312 }
313 
314 static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
315 {
316         struct snd_card *card = pnp_get_card_drvdata(pcard);
317         struct snd_es1688 *chip = card->private_data;
318 
319         snd_es1688_reset(chip);
320         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
321         return 0;
322 }
323 #endif
324 
325 static struct pnp_card_device_id snd_es968_pnpids[] = {
326         { .id = "ESS0968", .devs = { { "@@@0968" }, } },
327         { .id = "ESS0968", .devs = { { "ESS0968" }, } },
328         { .id = "", } /* end */
329 };
330 
331 MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
332 
333 static struct pnp_card_driver es968_pnpc_driver = {
334         .flags          = PNP_DRIVER_RES_DISABLE,
335         .name           = DEV_NAME " PnP",
336         .id_table       = snd_es968_pnpids,
337         .probe          = snd_es968_pnp_detect,
338         .remove         = snd_es968_pnp_remove,
339 #ifdef CONFIG_PM
340         .suspend        = snd_es968_pnp_suspend,
341         .resume         = snd_es968_pnp_resume,
342 #endif
343 };
344 #endif
345 
346 static int __init alsa_card_es1688_init(void)
347 {
348 #ifdef CONFIG_PNP
349         pnp_register_card_driver(&es968_pnpc_driver);
350         if (snd_es968_pnp_is_probed)
351                 return 0;
352         pnp_unregister_card_driver(&es968_pnpc_driver);
353 #endif
354         return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
355 }
356 
357 static void __exit alsa_card_es1688_exit(void)
358 {
359         if (!snd_es968_pnp_is_probed) {
360                 isa_unregister_driver(&snd_es1688_driver);
361                 return;
362         }
363 #ifdef CONFIG_PNP
364         pnp_unregister_card_driver(&es968_pnpc_driver);
365 #endif
366 }
367 
368 module_init(alsa_card_es1688_init);
369 module_exit(alsa_card_es1688_exit);
370 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us