This source file includes following definitions.
- snd_es1688_match
- snd_es1688_legacy_create
- snd_es1688_probe
- snd_es1688_isa_probe
- snd_es1688_isa_remove
- snd_card_es968_pnp
- snd_es968_pnp_detect
- snd_es968_pnp_remove
- snd_es968_pnp_suspend
- snd_es968_pnp_resume
- alsa_card_es1688_init
- alsa_card_es1688_exit
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7 #include <linux/init.h>
8 #include <linux/err.h>
9 #include <linux/isa.h>
10 #include <linux/isapnp.h>
11 #include <linux/time.h>
12 #include <linux/wait.h>
13 #include <linux/module.h>
14 #include <asm/dma.h>
15 #include <sound/core.h>
16 #include <sound/es1688.h>
17 #include <sound/mpu401.h>
18 #include <sound/opl3.h>
19 #define SNDRV_LEGACY_FIND_FREE_IRQ
20 #define SNDRV_LEGACY_FIND_FREE_DMA
21 #include <sound/initval.h>
22
23 #define CRD_NAME "Generic ESS ES1688/ES688 AudioDrive"
24 #define DEV_NAME "es1688"
25
26 MODULE_DESCRIPTION(CRD_NAME);
27 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
28 MODULE_LICENSE("GPL");
29 MODULE_SUPPORTED_DEVICE("{{ESS,ES688 PnP AudioDrive,pnp:ESS0100},"
30 "{ESS,ES1688 PnP AudioDrive,pnp:ESS0102},"
31 "{ESS,ES688 AudioDrive,pnp:ESS6881},"
32 "{ESS,ES1688 AudioDrive,pnp:ESS1681}}");
33
34 MODULE_ALIAS("snd_es968");
35
36 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
37 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
38 #ifdef CONFIG_PNP
39 static bool isapnp[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
40 #endif
41 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;
42 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
43 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
44 static long mpu_port[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = -1};
45 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
46 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
47 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
48
49 module_param_array(index, int, NULL, 0444);
50 MODULE_PARM_DESC(index, "Index value for " CRD_NAME " soundcard.");
51 module_param_array(id, charp, NULL, 0444);
52 MODULE_PARM_DESC(id, "ID string for " CRD_NAME " soundcard.");
53 module_param_array(enable, bool, NULL, 0444);
54 #ifdef CONFIG_PNP
55 module_param_array(isapnp, bool, NULL, 0444);
56 MODULE_PARM_DESC(isapnp, "PnP detection for specified soundcard.");
57 #endif
58 MODULE_PARM_DESC(enable, "Enable " CRD_NAME " soundcard.");
59 module_param_hw_array(port, long, ioport, NULL, 0444);
60 MODULE_PARM_DESC(port, "Port # for " CRD_NAME " driver.");
61 module_param_hw_array(mpu_port, long, ioport, NULL, 0444);
62 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for " CRD_NAME " driver.");
63 module_param_hw_array(irq, int, irq, NULL, 0444);
64 module_param_hw_array(fm_port, long, ioport, NULL, 0444);
65 MODULE_PARM_DESC(fm_port, "FM port # for ES1688 driver.");
66 MODULE_PARM_DESC(irq, "IRQ # for " CRD_NAME " driver.");
67 module_param_hw_array(mpu_irq, int, irq, NULL, 0444);
68 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for " CRD_NAME " driver.");
69 module_param_hw_array(dma8, int, dma, NULL, 0444);
70 MODULE_PARM_DESC(dma8, "8-bit DMA # for " CRD_NAME " driver.");
71
72 #ifdef CONFIG_PNP
73 #define is_isapnp_selected(dev) isapnp[dev]
74 #else
75 #define is_isapnp_selected(dev) 0
76 #endif
77
78 static int snd_es1688_match(struct device *dev, unsigned int n)
79 {
80 return enable[n] && !is_isapnp_selected(n);
81 }
82
83 static int snd_es1688_legacy_create(struct snd_card *card,
84 struct device *dev, unsigned int n)
85 {
86 struct snd_es1688 *chip = card->private_data;
87 static long possible_ports[] = {0x220, 0x240, 0x260};
88 static int possible_irqs[] = {5, 9, 10, 7, -1};
89 static int possible_dmas[] = {1, 3, 0, -1};
90
91 int i, error;
92
93 if (irq[n] == SNDRV_AUTO_IRQ) {
94 irq[n] = snd_legacy_find_free_irq(possible_irqs);
95 if (irq[n] < 0) {
96 dev_err(dev, "unable to find a free IRQ\n");
97 return -EBUSY;
98 }
99 }
100 if (dma8[n] == SNDRV_AUTO_DMA) {
101 dma8[n] = snd_legacy_find_free_dma(possible_dmas);
102 if (dma8[n] < 0) {
103 dev_err(dev, "unable to find a free DMA\n");
104 return -EBUSY;
105 }
106 }
107
108 if (port[n] != SNDRV_AUTO_PORT)
109 return snd_es1688_create(card, chip, port[n], mpu_port[n],
110 irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
111
112 i = 0;
113 do {
114 port[n] = possible_ports[i];
115 error = snd_es1688_create(card, chip, port[n], mpu_port[n],
116 irq[n], mpu_irq[n], dma8[n], ES1688_HW_AUTO);
117 } while (error < 0 && ++i < ARRAY_SIZE(possible_ports));
118
119 return error;
120 }
121
122 static int snd_es1688_probe(struct snd_card *card, unsigned int n)
123 {
124 struct snd_es1688 *chip = card->private_data;
125 struct snd_opl3 *opl3;
126 int error;
127
128 error = snd_es1688_pcm(card, chip, 0);
129 if (error < 0)
130 return error;
131
132 error = snd_es1688_mixer(card, chip);
133 if (error < 0)
134 return error;
135
136 strlcpy(card->driver, "ES1688", sizeof(card->driver));
137 strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
138 snprintf(card->longname, sizeof(card->longname),
139 "%s at 0x%lx, irq %i, dma %i", chip->pcm->name, chip->port,
140 chip->irq, chip->dma8);
141
142 if (fm_port[n] == SNDRV_AUTO_PORT)
143 fm_port[n] = port[n];
144
145 if (fm_port[n] > 0) {
146 if (snd_opl3_create(card, fm_port[n], fm_port[n] + 2,
147 OPL3_HW_OPL3, 0, &opl3) < 0)
148 dev_warn(card->dev,
149 "opl3 not detected at 0x%lx\n", fm_port[n]);
150 else {
151 error = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
152 if (error < 0)
153 return error;
154 }
155 }
156
157 if (mpu_irq[n] >= 0 && mpu_irq[n] != SNDRV_AUTO_IRQ &&
158 chip->mpu_port > 0) {
159 error = snd_mpu401_uart_new(card, 0, MPU401_HW_ES1688,
160 chip->mpu_port, 0,
161 mpu_irq[n], NULL);
162 if (error < 0)
163 return error;
164 }
165
166 return snd_card_register(card);
167 }
168
169 static int snd_es1688_isa_probe(struct device *dev, unsigned int n)
170 {
171 struct snd_card *card;
172 int error;
173
174 error = snd_card_new(dev, index[n], id[n], THIS_MODULE,
175 sizeof(struct snd_es1688), &card);
176 if (error < 0)
177 return error;
178
179 error = snd_es1688_legacy_create(card, dev, n);
180 if (error < 0)
181 goto out;
182
183 error = snd_es1688_probe(card, n);
184 if (error < 0)
185 goto out;
186
187 dev_set_drvdata(dev, card);
188
189 return 0;
190 out:
191 snd_card_free(card);
192 return error;
193 }
194
195 static int snd_es1688_isa_remove(struct device *dev, unsigned int n)
196 {
197 snd_card_free(dev_get_drvdata(dev));
198 return 0;
199 }
200
201 static struct isa_driver snd_es1688_driver = {
202 .match = snd_es1688_match,
203 .probe = snd_es1688_isa_probe,
204 .remove = snd_es1688_isa_remove,
205 #if 0
206 .suspend = snd_es1688_suspend,
207 .resume = snd_es1688_resume,
208 #endif
209 .driver = {
210 .name = DEV_NAME
211 }
212 };
213
214 static int snd_es968_pnp_is_probed;
215
216 #ifdef CONFIG_PNP
217 static int snd_card_es968_pnp(struct snd_card *card, unsigned int n,
218 struct pnp_card_link *pcard,
219 const struct pnp_card_device_id *pid)
220 {
221 struct snd_es1688 *chip = card->private_data;
222 struct pnp_dev *pdev;
223 int error;
224
225 pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
226 if (pdev == NULL)
227 return -ENODEV;
228
229 error = pnp_activate_dev(pdev);
230 if (error < 0) {
231 snd_printk(KERN_ERR "ES968 pnp configure failure\n");
232 return error;
233 }
234 port[n] = pnp_port_start(pdev, 0);
235 dma8[n] = pnp_dma(pdev, 0);
236 irq[n] = pnp_irq(pdev, 0);
237
238 return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
239 mpu_irq[n], dma8[n], ES1688_HW_AUTO);
240 }
241
242 static int snd_es968_pnp_detect(struct pnp_card_link *pcard,
243 const struct pnp_card_device_id *pid)
244 {
245 struct snd_card *card;
246 static unsigned int dev;
247 int error;
248
249 if (snd_es968_pnp_is_probed)
250 return -EBUSY;
251 for ( ; dev < SNDRV_CARDS; dev++) {
252 if (enable[dev] && isapnp[dev])
253 break;
254 }
255 if (dev == SNDRV_CARDS)
256 return -ENODEV;
257
258 error = snd_card_new(&pcard->card->dev,
259 index[dev], id[dev], THIS_MODULE,
260 sizeof(struct snd_es1688), &card);
261 if (error < 0)
262 return error;
263
264 error = snd_card_es968_pnp(card, dev, pcard, pid);
265 if (error < 0) {
266 snd_card_free(card);
267 return error;
268 }
269 error = snd_es1688_probe(card, dev);
270 if (error < 0) {
271 snd_card_free(card);
272 return error;
273 }
274 pnp_set_card_drvdata(pcard, card);
275 snd_es968_pnp_is_probed = 1;
276 return 0;
277 }
278
279 static void snd_es968_pnp_remove(struct pnp_card_link *pcard)
280 {
281 snd_card_free(pnp_get_card_drvdata(pcard));
282 pnp_set_card_drvdata(pcard, NULL);
283 snd_es968_pnp_is_probed = 0;
284 }
285
286 #ifdef CONFIG_PM
287 static int snd_es968_pnp_suspend(struct pnp_card_link *pcard,
288 pm_message_t state)
289 {
290 struct snd_card *card = pnp_get_card_drvdata(pcard);
291
292 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
293 return 0;
294 }
295
296 static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
297 {
298 struct snd_card *card = pnp_get_card_drvdata(pcard);
299 struct snd_es1688 *chip = card->private_data;
300
301 snd_es1688_reset(chip);
302 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
303 return 0;
304 }
305 #endif
306
307 static const struct pnp_card_device_id snd_es968_pnpids[] = {
308 { .id = "ESS0968", .devs = { { "@@@0968" }, } },
309 { .id = "ESS0968", .devs = { { "ESS0968" }, } },
310 { .id = "", }
311 };
312
313 MODULE_DEVICE_TABLE(pnp_card, snd_es968_pnpids);
314
315 static struct pnp_card_driver es968_pnpc_driver = {
316 .flags = PNP_DRIVER_RES_DISABLE,
317 .name = DEV_NAME " PnP",
318 .id_table = snd_es968_pnpids,
319 .probe = snd_es968_pnp_detect,
320 .remove = snd_es968_pnp_remove,
321 #ifdef CONFIG_PM
322 .suspend = snd_es968_pnp_suspend,
323 .resume = snd_es968_pnp_resume,
324 #endif
325 };
326 #endif
327
328 static int __init alsa_card_es1688_init(void)
329 {
330 #ifdef CONFIG_PNP
331 pnp_register_card_driver(&es968_pnpc_driver);
332 if (snd_es968_pnp_is_probed)
333 return 0;
334 pnp_unregister_card_driver(&es968_pnpc_driver);
335 #endif
336 return isa_register_driver(&snd_es1688_driver, SNDRV_CARDS);
337 }
338
339 static void __exit alsa_card_es1688_exit(void)
340 {
341 if (!snd_es968_pnp_is_probed) {
342 isa_unregister_driver(&snd_es1688_driver);
343 return;
344 }
345 #ifdef CONFIG_PNP
346 pnp_unregister_card_driver(&es968_pnpc_driver);
347 #endif
348 }
349
350 module_init(alsa_card_es1688_init);
351 module_exit(alsa_card_es1688_exit);