Avoid beyond bounds copy while caching ACL
[zen-stable.git] / sound / isa / als100.c
blobd1f4351fb6ee31674b895cb1baa1869e1becd2b4
2 /*
3 card-als100.c - driver for Avance Logic ALS100 based soundcards.
4 Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>
5 Copyright (C) 1999-2002 by Massimo Piccioni <dafastidio@libero.it>
7 Thanks to Pierfrancesco 'qM2' Passerini.
9 Generalised for soundcards based on DT-0196 and ALS-007 chips
10 by Jonathan Woithe <jwoithe@physics.adelaide.edu.au>: June 2002.
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program; if not, write to the Free Software
24 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/init.h>
28 #include <linux/wait.h>
29 #include <linux/time.h>
30 #include <linux/pnp.h>
31 #include <linux/module.h>
32 #include <sound/core.h>
33 #include <sound/initval.h>
34 #include <sound/mpu401.h>
35 #include <sound/opl3.h>
36 #include <sound/sb.h>
38 #define PFX "als100: "
40 MODULE_DESCRIPTION("Avance Logic ALS007/ALS1X0");
41 MODULE_SUPPORTED_DEVICE("{{Diamond Technologies DT-019X},"
42 "{Avance Logic ALS-007}}"
43 "{{Avance Logic,ALS100 - PRO16PNP},"
44 "{Avance Logic,ALS110},"
45 "{Avance Logic,ALS120},"
46 "{Avance Logic,ALS200},"
47 "{3D Melody,MF1000},"
48 "{Digimate,3D Sound},"
49 "{Avance Logic,ALS120},"
50 "{RTL,RTL3000}}");
52 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
53 MODULE_LICENSE("GPL");
55 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
56 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
57 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
58 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
59 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
60 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
61 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* PnP setup */
62 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* PnP setup */
63 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
64 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
66 module_param_array(index, int, NULL, 0444);
67 MODULE_PARM_DESC(index, "Index value for Avance Logic based soundcard.");
68 module_param_array(id, charp, NULL, 0444);
69 MODULE_PARM_DESC(id, "ID string for Avance Logic based soundcard.");
70 module_param_array(enable, bool, NULL, 0444);
71 MODULE_PARM_DESC(enable, "Enable Avance Logic based soundcard.");
73 MODULE_ALIAS("snd-dt019x");
75 struct snd_card_als100 {
76 struct pnp_dev *dev;
77 struct pnp_dev *devmpu;
78 struct pnp_dev *devopl;
79 struct snd_sb *chip;
82 static struct pnp_card_device_id snd_als100_pnpids[] = {
83 /* DT197A30 */
84 { .id = "RWB1688",
85 .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" } },
86 .driver_data = SB_HW_DT019X },
87 /* DT0196 / ALS-007 */
88 { .id = "ALS0007",
89 .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" } },
90 .driver_data = SB_HW_DT019X },
91 /* ALS100 - PRO16PNP */
92 { .id = "ALS0001",
93 .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" } },
94 .driver_data = SB_HW_ALS100 },
95 /* ALS110 - MF1000 - Digimate 3D Sound */
96 { .id = "ALS0110",
97 .devs = { { "@@@1001" }, { "@X@1001" }, { "@H@1001" } },
98 .driver_data = SB_HW_ALS100 },
99 /* ALS120 */
100 { .id = "ALS0120",
101 .devs = { { "@@@2001" }, { "@X@2001" }, { "@H@2001" } },
102 .driver_data = SB_HW_ALS100 },
103 /* ALS200 */
104 { .id = "ALS0200",
105 .devs = { { "@@@0020" }, { "@X@0020" }, { "@H@0001" } },
106 .driver_data = SB_HW_ALS100 },
107 /* ALS200 OEM */
108 { .id = "ALS0200",
109 .devs = { { "@@@0020" }, { "@X@0020" }, { "@H@0020" } },
110 .driver_data = SB_HW_ALS100 },
111 /* RTL3000 */
112 { .id = "RTL3000",
113 .devs = { { "@@@2001" }, { "@X@2001" }, { "@H@2001" } },
114 .driver_data = SB_HW_ALS100 },
115 { .id = "" } /* end */
118 MODULE_DEVICE_TABLE(pnp_card, snd_als100_pnpids);
120 static int __devinit snd_card_als100_pnp(int dev, struct snd_card_als100 *acard,
121 struct pnp_card_link *card,
122 const struct pnp_card_device_id *id)
124 struct pnp_dev *pdev;
125 int err;
127 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
128 if (acard->dev == NULL)
129 return -ENODEV;
131 acard->devmpu = pnp_request_card_device(card, id->devs[1].id, acard->dev);
132 acard->devopl = pnp_request_card_device(card, id->devs[2].id, acard->dev);
134 pdev = acard->dev;
136 err = pnp_activate_dev(pdev);
137 if (err < 0) {
138 snd_printk(KERN_ERR PFX "AUDIO pnp configure failure\n");
139 return err;
141 port[dev] = pnp_port_start(pdev, 0);
142 if (id->driver_data == SB_HW_DT019X)
143 dma8[dev] = pnp_dma(pdev, 0);
144 else {
145 dma8[dev] = pnp_dma(pdev, 1);
146 dma16[dev] = pnp_dma(pdev, 0);
148 irq[dev] = pnp_irq(pdev, 0);
150 pdev = acard->devmpu;
151 if (pdev != NULL) {
152 err = pnp_activate_dev(pdev);
153 if (err < 0)
154 goto __mpu_error;
155 mpu_port[dev] = pnp_port_start(pdev, 0);
156 mpu_irq[dev] = pnp_irq(pdev, 0);
157 } else {
158 __mpu_error:
159 if (pdev) {
160 pnp_release_card_device(pdev);
161 snd_printk(KERN_ERR PFX "MPU401 pnp configure failure, skipping\n");
163 acard->devmpu = NULL;
164 mpu_port[dev] = -1;
167 pdev = acard->devopl;
168 if (pdev != NULL) {
169 err = pnp_activate_dev(pdev);
170 if (err < 0)
171 goto __fm_error;
172 fm_port[dev] = pnp_port_start(pdev, 0);
173 } else {
174 __fm_error:
175 if (pdev) {
176 pnp_release_card_device(pdev);
177 snd_printk(KERN_ERR PFX "OPL3 pnp configure failure, skipping\n");
179 acard->devopl = NULL;
180 fm_port[dev] = -1;
183 return 0;
186 static int __devinit snd_card_als100_probe(int dev,
187 struct pnp_card_link *pcard,
188 const struct pnp_card_device_id *pid)
190 int error;
191 struct snd_sb *chip;
192 struct snd_card *card;
193 struct snd_card_als100 *acard;
194 struct snd_opl3 *opl3;
196 error = snd_card_create(index[dev], id[dev], THIS_MODULE,
197 sizeof(struct snd_card_als100), &card);
198 if (error < 0)
199 return error;
200 acard = card->private_data;
202 if ((error = snd_card_als100_pnp(dev, acard, pcard, pid))) {
203 snd_card_free(card);
204 return error;
206 snd_card_set_dev(card, &pcard->card->dev);
208 if (pid->driver_data == SB_HW_DT019X)
209 dma16[dev] = -1;
211 error = snd_sbdsp_create(card, port[dev], irq[dev],
212 snd_sb16dsp_interrupt,
213 dma8[dev], dma16[dev],
214 pid->driver_data,
215 &chip);
216 if (error < 0) {
217 snd_card_free(card);
218 return error;
220 acard->chip = chip;
222 if (pid->driver_data == SB_HW_DT019X) {
223 strcpy(card->driver, "DT-019X");
224 strcpy(card->shortname, "Diamond Tech. DT-019X");
225 sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
226 card->shortname, chip->name, chip->port,
227 irq[dev], dma8[dev]);
228 } else {
229 strcpy(card->driver, "ALS100");
230 strcpy(card->shortname, "Avance Logic ALS100");
231 sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
232 card->shortname, chip->name, chip->port,
233 irq[dev], dma8[dev], dma16[dev]);
236 if ((error = snd_sb16dsp_pcm(chip, 0, NULL)) < 0) {
237 snd_card_free(card);
238 return error;
241 if ((error = snd_sbmixer_new(chip)) < 0) {
242 snd_card_free(card);
243 return error;
246 if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
247 int mpu_type = MPU401_HW_ALS100;
249 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
250 mpu_irq[dev] = -1;
252 if (pid->driver_data == SB_HW_DT019X)
253 mpu_type = MPU401_HW_MPU401;
255 if (snd_mpu401_uart_new(card, 0,
256 mpu_type,
257 mpu_port[dev], 0,
258 mpu_irq[dev],
259 NULL) < 0)
260 snd_printk(KERN_ERR PFX "no MPU-401 device at 0x%lx\n", mpu_port[dev]);
263 if (fm_port[dev] > 0 && fm_port[dev] != SNDRV_AUTO_PORT) {
264 if (snd_opl3_create(card,
265 fm_port[dev], fm_port[dev] + 2,
266 OPL3_HW_AUTO, 0, &opl3) < 0) {
267 snd_printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx\n",
268 fm_port[dev], fm_port[dev] + 2);
269 } else {
270 if ((error = snd_opl3_timer_new(opl3, 0, 1)) < 0) {
271 snd_card_free(card);
272 return error;
274 if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
275 snd_card_free(card);
276 return error;
281 if ((error = snd_card_register(card)) < 0) {
282 snd_card_free(card);
283 return error;
285 pnp_set_card_drvdata(pcard, card);
286 return 0;
289 static unsigned int __devinitdata als100_devices;
291 static int __devinit snd_als100_pnp_detect(struct pnp_card_link *card,
292 const struct pnp_card_device_id *id)
294 static int dev;
295 int res;
297 for ( ; dev < SNDRV_CARDS; dev++) {
298 if (!enable[dev])
299 continue;
300 res = snd_card_als100_probe(dev, card, id);
301 if (res < 0)
302 return res;
303 dev++;
304 als100_devices++;
305 return 0;
307 return -ENODEV;
310 static void __devexit snd_als100_pnp_remove(struct pnp_card_link * pcard)
312 snd_card_free(pnp_get_card_drvdata(pcard));
313 pnp_set_card_drvdata(pcard, NULL);
316 #ifdef CONFIG_PM
317 static int snd_als100_pnp_suspend(struct pnp_card_link *pcard, pm_message_t state)
319 struct snd_card *card = pnp_get_card_drvdata(pcard);
320 struct snd_card_als100 *acard = card->private_data;
321 struct snd_sb *chip = acard->chip;
323 snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
324 snd_pcm_suspend_all(chip->pcm);
325 snd_sbmixer_suspend(chip);
326 return 0;
329 static int snd_als100_pnp_resume(struct pnp_card_link *pcard)
331 struct snd_card *card = pnp_get_card_drvdata(pcard);
332 struct snd_card_als100 *acard = card->private_data;
333 struct snd_sb *chip = acard->chip;
335 snd_sbdsp_reset(chip);
336 snd_sbmixer_resume(chip);
337 snd_power_change_state(card, SNDRV_CTL_POWER_D0);
338 return 0;
340 #endif
342 static struct pnp_card_driver als100_pnpc_driver = {
343 .flags = PNP_DRIVER_RES_DISABLE,
344 .name = "als100",
345 .id_table = snd_als100_pnpids,
346 .probe = snd_als100_pnp_detect,
347 .remove = __devexit_p(snd_als100_pnp_remove),
348 #ifdef CONFIG_PM
349 .suspend = snd_als100_pnp_suspend,
350 .resume = snd_als100_pnp_resume,
351 #endif
354 static int __init alsa_card_als100_init(void)
356 int err;
358 err = pnp_register_card_driver(&als100_pnpc_driver);
359 if (err)
360 return err;
362 if (!als100_devices) {
363 pnp_unregister_card_driver(&als100_pnpc_driver);
364 #ifdef MODULE
365 snd_printk(KERN_ERR "no Avance Logic based soundcards found\n");
366 #endif
367 return -ENODEV;
369 return 0;
372 static void __exit alsa_card_als100_exit(void)
374 pnp_unregister_card_driver(&als100_pnpc_driver);
377 module_init(alsa_card_als100_init)
378 module_exit(alsa_card_als100_exit)