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