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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
41MODULE_DESCRIPTION(CRD_NAME);
42MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
43MODULE_LICENSE("GPL");
44MODULE_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
49MODULE_ALIAS("snd_es968");
50
51static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
52static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
53#ifdef CONFIG_PNP
54static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
55#endif
56static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
57static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x240,0x260 */
58static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* Usually 0x388 */
59static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
60static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
61static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 5,7,9,10 */
62static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 0,1,3 */
63
64module_param_array(index, int, NULL, 0444);
65MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
66module_param_array(id, charp, NULL, 0444);
67MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
68module_param_array(enable, bool, NULL, 0444);
69#ifdef CONFIG_PNP
70module_param_array(isapnp, bool, NULL, 0444);
71MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
72#endif
73MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
74module_param_array(port, long, NULL, 0444);
75MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
76module_param_array(mpu_port, long, NULL, 0444);
77MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
78module_param_array(irq, int, NULL, 0444);
79module_param_array(fm_port, long, NULL, 0444);
80MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
81MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
82module_param_array(mpu_irq, int, NULL, 0444);
83MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
84module_param_array(dma8, int, NULL, 0444);
85MODULE_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
93static int __devinit snd_es1688_match(struct device *dev, unsigned int n)
94{
95 return enable[n] && !is_isapnp_selected(n);
96}
97
98static 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
137static 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
185static 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;
208out:
209 snd_card_free(card);
210 return error;
211}
212
213static int __devexit snd_es1688_isa_remove(struct device *dev, unsigned int n)
214{
215 snd_card_free(dev_get_drvdata(dev));
216 dev_set_drvdata(dev, NULL);
217 return 0;
218}
219
220static 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
233static int snd_es968_pnp_is_probed;
234
235#ifdef CONFIG_PNP
236static 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
261static 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
298static 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
306static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
307 pm_message_t state)
308{
309 struct snd_card *card = pnp_get_card_drvdata(pcard);
310 struct snd_es1688 *chip = card->private_data;
311
312 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
313 snd_pcm_suspend_all(chip->pcm);
314 return 0;
315}
316
317static 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);
323 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
324 return 0;
325}
326#endif
327
328static struct pnp_card_device_id snd_es968_pnpids[] = {
329 { .id = "ESS0968", .devs = { { "@@@0968" }, } },
330 { .id = "ESS0968", .devs = { { "ESS0968" }, } },
331 { .id = "", } /* end */
332};
333
334MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
335
336static struct pnp_card_driver es968_pnpc_driver = {
337 .flags = PNP_DRIVER_RES_DISABLE,
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
349static 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
360static 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
371module_init(alsa_card_es1688_init);
372module_exit(alsa_card_es1688_exit);