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32#include <linux/io.h>
33#include <linux/delay.h>
34#include <linux/init.h>
35#include <linux/time.h>
36#include <linux/wait.h>
37#include <linux/pnp.h>
38#include <linux/module.h>
39#include <sound/core.h>
40#include <sound/initval.h>
41#include <sound/wss.h>
42#include <sound/mpu401.h>
43#include <sound/opl3.h>
44
45#define PFX "azt2320: "
46
47MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
48MODULE_DESCRIPTION("Aztech Systems AZT2320");
49MODULE_LICENSE("GPL");
50MODULE_SUPPORTED_DEVICE("{{Aztech Systems,PRO16V},"
51 "{Aztech Systems,AZT2320},"
52 "{Aztech Systems,AZT3300},"
53 "{Aztech Systems,AZT2320},"
54 "{Aztech Systems,AZT3000}}");
55
56static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
57static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
58static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP;
59static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
60static long wss_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
61static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
62static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
63static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
64static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
65static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
66static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
67
68module_param_array(index, int, NULL, 0444);
69MODULE_PARM_DESC(index, "Index value for azt2320 based soundcard.");
70module_param_array(id, charp, NULL, 0444);
71MODULE_PARM_DESC(id, "ID string for azt2320 based soundcard.");
72module_param_array(enable, bool, NULL, 0444);
73MODULE_PARM_DESC(enable, "Enable azt2320 based soundcard.");
74
75struct snd_card_azt2320 {
76 int dev_no;
77 struct pnp_dev *dev;
78 struct pnp_dev *devmpu;
79 struct snd_wss *chip;
80};
81
82static struct pnp_card_device_id snd_azt2320_pnpids[] = {
83
84 { .id = "AZT1008", .devs = { { "AZT1008" }, { "AZT2001" }, } },
85
86 { .id = "AZT2320", .devs = { { "AZT0001" }, { "AZT0002" }, } },
87
88 { .id = "AZT3000", .devs = { { "AZT1003" }, { "AZT2001" }, } },
89
90 { .id = "AZT3002", .devs = { { "AZT1004" }, { "AZT2001" }, } },
91
92 { .id = "AZT3005", .devs = { { "AZT1003" }, { "AZT2001" }, } },
93
94 { .id = "AZT3011", .devs = { { "AZT1003" }, { "AZT2001" }, } },
95 { .id = "" }
96};
97
98MODULE_DEVICE_TABLE(pnp_card, snd_azt2320_pnpids);
99
100#define DRIVER_NAME "snd-card-azt2320"
101
102static int snd_card_azt2320_pnp(int dev, struct snd_card_azt2320 *acard,
103 struct pnp_card_link *card,
104 const struct pnp_card_device_id *id)
105{
106 struct pnp_dev *pdev;
107 int err;
108
109 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
110 if (acard->dev == NULL)
111 return -ENODEV;
112
113 acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL);
114
115 pdev = acard->dev;
116
117 err = pnp_activate_dev(pdev);
118 if (err < 0) {
119 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
120 return err;
121 }
122 port[dev] = pnp_port_start(pdev, 0);
123 fm_port[dev] = pnp_port_start(pdev, 1);
124 wss_port[dev] = pnp_port_start(pdev, 2);
125 dma1[dev] = pnp_dma(pdev, 0);
126 dma2[dev] = pnp_dma(pdev, 1);
127 irq[dev] = pnp_irq(pdev, 0);
128
129 pdev = acard->devmpu;
130 if (pdev != NULL) {
131 err = pnp_activate_dev(pdev);
132 if (err < 0)
133 goto __mpu_error;
134 mpu_port[dev] = pnp_port_start(pdev, 0);
135 mpu_irq[dev] = pnp_irq(pdev, 0);
136 } else {
137 __mpu_error:
138 if (pdev) {
139 pnp_release_card_device(pdev);
140 snd_printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n");
141 }
142 acard->devmpu = NULL;
143 mpu_port[dev] = -1;
144 }
145
146 return 0;
147}
148
149
150static int snd_card_azt2320_command(unsigned long port, unsigned char val)
151{
152 int i;
153 unsigned long limit;
154
155 limit = jiffies + HZ / 10;
156 for (i = 50000; i && time_after(limit, jiffies); i--)
157 if (!(inb(port + 0x0c) & 0x80)) {
158 outb(val, port + 0x0c);
159 return 0;
160 }
161 return -EBUSY;
162}
163
164static int snd_card_azt2320_enable_wss(unsigned long port)
165{
166 int error;
167
168 if ((error = snd_card_azt2320_command(port, 0x09)))
169 return error;
170 if ((error = snd_card_azt2320_command(port, 0x00)))
171 return error;
172
173 mdelay(5);
174 return 0;
175}
176
177static int snd_card_azt2320_probe(int dev,
178 struct pnp_card_link *pcard,
179 const struct pnp_card_device_id *pid)
180{
181 int error;
182 struct snd_card *card;
183 struct snd_card_azt2320 *acard;
184 struct snd_wss *chip;
185 struct snd_opl3 *opl3;
186
187 error = snd_card_new(&pcard->card->dev,
188 index[dev], id[dev], THIS_MODULE,
189 sizeof(struct snd_card_azt2320), &card);
190 if (error < 0)
191 return error;
192 acard = card->private_data;
193
194 if ((error = snd_card_azt2320_pnp(dev, acard, pcard, pid))) {
195 snd_card_free(card);
196 return error;
197 }
198
199 if ((error = snd_card_azt2320_enable_wss(port[dev]))) {
200 snd_card_free(card);
201 return error;
202 }
203
204 error = snd_wss_create(card, wss_port[dev], -1,
205 irq[dev],
206 dma1[dev], dma2[dev],
207 WSS_HW_DETECT, 0, &chip);
208 if (error < 0) {
209 snd_card_free(card);
210 return error;
211 }
212
213 strcpy(card->driver, "AZT2320");
214 strcpy(card->shortname, "Aztech AZT2320");
215 sprintf(card->longname, "%s, WSS at 0x%lx, irq %i, dma %i&%i",
216 card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);
217
218 error = snd_wss_pcm(chip, 0);
219 if (error < 0) {
220 snd_card_free(card);
221 return error;
222 }
223 error = snd_wss_mixer(chip);
224 if (error < 0) {
225 snd_card_free(card);
226 return error;
227 }
228 error = snd_wss_timer(chip, 0);
229 if (error < 0) {
230 snd_card_free(card);
231 return error;
232 }
233
234 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
235 if (snd_mpu401_uart_new(card, 0, MPU401_HW_AZT2320,
236 mpu_port[dev], 0,
237 mpu_irq[dev], NULL) < 0)
238 snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]);
239 }
240
241 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
242 if (snd_opl3_create(card,
243 fm_port[dev], fm_port[dev] + 2,
244 OPL3_HW_AUTO, 0, &opl3) < 0) {
245 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
246 fm_port[dev], fm_port[dev] + 2);
247 } else {
248 if ((error = snd_opl3_timer_new(opl3, 1, 2)) < 0) {
249 snd_card_free(card);
250 return error;
251 }
252 if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
253 snd_card_free(card);
254 return error;
255 }
256 }
257 }
258
259 if ((error = snd_card_register(card)) < 0) {
260 snd_card_free(card);
261 return error;
262 }
263 pnp_set_card_drvdata(pcard, card);
264 return 0;
265}
266
267static unsigned int azt2320_devices;
268
269static int snd_azt2320_pnp_detect(struct pnp_card_link *card,
270 const struct pnp_card_device_id *id)
271{
272 static int dev;
273 int res;
274
275 for ( ; dev < SNDRV_CARDS; dev++) {
276 if (!enable[dev])
277 continue;
278 res = snd_card_azt2320_probe(dev, card, id);
279 if (res < 0)
280 return res;
281 dev++;
282 azt2320_devices++;
283 return 0;
284 }
285 return -ENODEV;
286}
287
288static void snd_azt2320_pnp_remove(struct pnp_card_link *pcard)
289{
290 snd_card_free(pnp_get_card_drvdata(pcard));
291 pnp_set_card_drvdata(pcard, NULL);
292}
293
294#ifdef CONFIG_PM
295static int snd_azt2320_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
296{
297 struct snd_card *card = pnp_get_card_drvdata(pcard);
298 struct snd_card_azt2320 *acard = card->private_data;
299 struct snd_wss *chip = acard->chip;
300
301 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
302 chip->suspend(chip);
303 return 0;
304}
305
306static int snd_azt2320_pnp_resume(struct pnp_card_link *pcard)
307{
308 struct snd_card *card = pnp_get_card_drvdata(pcard);
309 struct snd_card_azt2320 *acard = card->private_data;
310 struct snd_wss *chip = acard->chip;
311
312 chip->resume(chip);
313 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
314 return 0;
315}
316#endif
317
318static struct pnp_card_driver azt2320_pnpc_driver = {
319 .flags = PNP_DRIVER_RES_DISABLE,
320 .name = "azt2320",
321 .id_table = snd_azt2320_pnpids,
322 .probe = snd_azt2320_pnp_detect,
323 .remove = snd_azt2320_pnp_remove,
324#ifdef CONFIG_PM
325 .suspend = snd_azt2320_pnp_suspend,
326 .resume = snd_azt2320_pnp_resume,
327#endif
328};
329
330static int __init alsa_card_azt2320_init(void)
331{
332 int err;
333
334 err = pnp_register_card_driver(&azt2320_pnpc_driver);
335 if (err)
336 return err;
337
338 if (!azt2320_devices) {
339 pnp_unregister_card_driver(&azt2320_pnpc_driver);
340#ifdef MODULE
341 snd_printk(KERN_ERR "no AZT2320 based soundcards found\n");
342#endif
343 return -ENODEV;
344 }
345 return 0;
346}
347
348static void __exit alsa_card_azt2320_exit(void)
349{
350 pnp_unregister_card_driver(&azt2320_pnpc_driver);
351}
352
353module_init(alsa_card_azt2320_init)
354module_exit(alsa_card_azt2320_exit)
355
