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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;
52static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
53#ifdef CONFIG_PNP
54static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
55#endif
56static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
57static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
58static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
59static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
60static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
61static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
62static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
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 snd_es1688_match(struct device *dev, unsigned int n)
94{
95 return enable[n] && !is_isapnp_selected(n);
96}
97
98static 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
137static 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];
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 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;
206out:
207 snd_card_free(card);
208 return error;
209}
210
211static int snd_es1688_isa_remove(struct device *dev, unsigned int n)
212{
213 snd_card_free(dev_get_drvdata(dev));
214 dev_set_drvdata(dev, NULL);
215 return 0;
216}
217
218static struct isa_driver snd_es1688_driver = {
219 .match = snd_es1688_match,
220 .probe = snd_es1688_isa_probe,
221 .remove = snd_es1688_isa_remove,
222#if 0
223 .suspend = snd_es1688_suspend,
224 .resume = snd_es1688_resume,
225#endif
226 .driver = {
227 .name = DEV_NAME
228 }
229};
230
231static int snd_es968_pnp_is_probed;
232
233#ifdef CONFIG_PNP
234static int snd_card_es968_pnp(struct snd_card *card, unsigned int n,
235 struct pnp_card_link *pcard,
236 const struct pnp_card_device_id *pid)
237{
238 struct snd_es1688 *chip = card->private_data;
239 struct pnp_dev *pdev;
240 int error;
241
242 pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
243 if (pdev == NULL)
244 return -ENODEV;
245
246 error = pnp_activate_dev(pdev);
247 if (error < 0) {
248 snd_printk(KERN_ERR "ES968 pnp configure failure\n");
249 return error;
250 }
251 port[n] = pnp_port_start(pdev, 0);
252 dma8[n] = pnp_dma(pdev, 0);
253 irq[n] = pnp_irq(pdev, 0);
254
255 return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
256 mpu_irq[n], dma8[n], ES1688_HW_AUTO);
257}
258
259static int snd_es968_pnp_detect(struct pnp_card_link *pcard,
260 const struct pnp_card_device_id *pid)
261{
262 struct snd_card *card;
263 static unsigned int dev;
264 int error;
265 struct snd_es1688 *chip;
266
267 if (snd_es968_pnp_is_probed)
268 return -EBUSY;
269 for ( ; dev < SNDRV_CARDS; dev++) {
270 if (enable[dev] && isapnp[dev])
271 break;
272 }
273 if (dev == SNDRV_CARDS)
274 return -ENODEV;
275
276 error = snd_card_new(&pcard->card->dev,
277 index[dev], id[dev], THIS_MODULE,
278 sizeof(struct snd_es1688), &card);
279 if (error < 0)
280 return error;
281 chip = card->private_data;
282
283 error = snd_card_es968_pnp(card, dev, pcard, pid);
284 if (error < 0) {
285 snd_card_free(card);
286 return error;
287 }
288 error = snd_es1688_probe(card, dev);
289 if (error < 0)
290 return error;
291 pnp_set_card_drvdata(pcard, card);
292 snd_es968_pnp_is_probed = 1;
293 return 0;
294}
295
296static void snd_es968_pnp_remove(struct pnp_card_link *pcard)
297{
298 snd_card_free(pnp_get_card_drvdata(pcard));
299 pnp_set_card_drvdata(pcard, NULL);
300 snd_es968_pnp_is_probed = 0;
301}
302
303#ifdef CONFIG_PM
304static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
305 pm_message_t state)
306{
307 struct snd_card *card = pnp_get_card_drvdata(pcard);
308 struct snd_es1688 *chip = card->private_data;
309
310 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
311 snd_pcm_suspend_all(chip->pcm);
312 return 0;
313}
314
315static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
316{
317 struct snd_card *card = pnp_get_card_drvdata(pcard);
318 struct snd_es1688 *chip = card->private_data;
319
320 snd_es1688_reset(chip);
321 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
322 return 0;
323}
324#endif
325
326static struct pnp_card_device_id snd_es968_pnpids[] = {
327 { .id = "ESS0968", .devs = { { "@@@0968" }, } },
328 { .id = "ESS0968", .devs = { { "ESS0968" }, } },
329 { .id = "", }
330};
331
332MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
333
334static struct pnp_card_driver es968_pnpc_driver = {
335 .flags = PNP_DRIVER_RES_DISABLE,
336 .name = DEV_NAME " PnP",
337 .id_table = snd_es968_pnpids,
338 .probe = snd_es968_pnp_detect,
339 .remove = snd_es968_pnp_remove,
340#ifdef CONFIG_PM
341 .suspend = snd_es968_pnp_suspend,
342 .resume = snd_es968_pnp_resume,
343#endif
344};
345#endif
346
347static int __init alsa_card_es1688_init(void)
348{
349#ifdef CONFIG_PNP
350 pnp_register_card_driver(&es968_pnpc_driver);
351 if (snd_es968_pnp_is_probed)
352 return 0;
353 pnp_unregister_card_driver(&es968_pnpc_driver);
354#endif
355 return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
356}
357
358static void __exit alsa_card_es1688_exit(void)
359{
360 if (!snd_es968_pnp_is_probed) {
361 isa_unregister_driver(&snd_es1688_driver);
362 return;
363 }
364#ifdef CONFIG_PNP
365 pnp_unregister_card_driver(&es968_pnpc_driver);
366#endif
367}
368
369module_init(alsa_card_es1688_init);
370module_exit(alsa_card_es1688_exit);
371
