Avoid zero size allocation in cache_k8_northbridges()
[linux-2.6/mini2440.git] / sound / isa / ad1816a / ad1816a.c
blobfc88a31da6f51a6730d75e6c2cd2e058ac5d1781
2 /*
3 card-ad1816a.c - driver for ADI SoundPort AD1816A based soundcards.
4 Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sound/driver.h>
22 #include <linux/init.h>
23 #include <linux/time.h>
24 #include <linux/wait.h>
25 #include <linux/pnp.h>
26 #include <linux/moduleparam.h>
27 #include <sound/core.h>
28 #include <sound/initval.h>
29 #include <sound/ad1816a.h>
30 #include <sound/mpu401.h>
31 #include <sound/opl3.h>
33 #define PFX "ad1816a: "
35 MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
36 MODULE_DESCRIPTION("AD1816A, AD1815");
37 MODULE_LICENSE("GPL");
38 MODULE_SUPPORTED_DEVICE("{{Highscreen,Sound-Boostar 16 3D},"
39 "{Analog Devices,AD1815},"
40 "{Analog Devices,AD1816A},"
41 "{TerraTec,Base 64},"
42 "{TerraTec,AudioSystem EWS64S},"
43 "{Aztech/Newcom SC-16 3D},"
44 "{Shark Predator ISA}}");
46 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 1-MAX */
47 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
48 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_ISAPNP; /* Enable this card */
49 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
50 static long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
51 static long fm_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* PnP setup */
52 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
53 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* Pnp setup */
54 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
55 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* PnP setup */
56 static int clockfreq[SNDRV_CARDS];
58 module_param_array(index, int, NULL, 0444);
59 MODULE_PARM_DESC(index, "Index value for ad1816a based soundcard.");
60 module_param_array(id, charp, NULL, 0444);
61 MODULE_PARM_DESC(id, "ID string for ad1816a based soundcard.");
62 module_param_array(enable, bool, NULL, 0444);
63 MODULE_PARM_DESC(enable, "Enable ad1816a based soundcard.");
64 module_param_array(port, long, NULL, 0444);
65 MODULE_PARM_DESC(port, "Port # for ad1816a driver.");
66 module_param_array(mpu_port, long, NULL, 0444);
67 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for ad1816a driver.");
68 module_param_array(fm_port, long, NULL, 0444);
69 MODULE_PARM_DESC(fm_port, "FM port # for ad1816a driver.");
70 module_param_array(irq, int, NULL, 0444);
71 MODULE_PARM_DESC(irq, "IRQ # for ad1816a driver.");
72 module_param_array(mpu_irq, int, NULL, 0444);
73 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ad1816a driver.");
74 module_param_array(dma1, int, NULL, 0444);
75 MODULE_PARM_DESC(dma1, "1st DMA # for ad1816a driver.");
76 module_param_array(dma2, int, NULL, 0444);
77 MODULE_PARM_DESC(dma2, "2nd DMA # for ad1816a driver.");
78 module_param_array(clockfreq, int, NULL, 0444);
79 MODULE_PARM_DESC(clockfreq, "Clock frequency for ad1816a driver (default = 0).");
81 struct snd_card_ad1816a {
82 struct pnp_dev *dev;
83 struct pnp_dev *devmpu;
86 static struct pnp_card_device_id snd_ad1816a_pnpids[] = {
87 /* Analog Devices AD1815 */
88 { .id = "ADS7150", .devs = { { .id = "ADS7150" }, { .id = "ADS7151" } } },
89 /* Analog Device AD1816? */
90 { .id = "ADS7180", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
91 /* Analog Devices AD1816A - added by Kenneth Platz <kxp@atl.hp.com> */
92 { .id = "ADS7181", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
93 /* Analog Devices AD1816A - Aztech/Newcom SC-16 3D */
94 { .id = "AZT1022", .devs = { { .id = "AZT1018" }, { .id = "AZT2002" } } },
95 /* Highscreen Sound-Boostar 16 3D - added by Stefan Behnel */
96 { .id = "LWC1061", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
97 /* Highscreen Sound-Boostar 16 3D */
98 { .id = "MDK1605", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
99 /* Shark Predator ISA - added by Ken Arromdee */
100 { .id = "SMM7180", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
101 /* Analog Devices AD1816A - Terratec AudioSystem EWS64S */
102 { .id = "TER1112", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
103 /* Analog Devices AD1816A - Terratec Base 64 */
104 { .id = "TER1411", .devs = { { .id = "ADS7180" }, { .id = "ADS7181" } } },
105 /* end */
106 { .id = "" }
109 MODULE_DEVICE_TABLE(pnp_card, snd_ad1816a_pnpids);
112 #define DRIVER_NAME "snd-card-ad1816a"
115 static int __devinit snd_card_ad1816a_pnp(int dev, struct snd_card_ad1816a *acard,
116 struct pnp_card_link *card,
117 const struct pnp_card_device_id *id)
119 struct pnp_dev *pdev;
120 struct pnp_resource_table *cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
121 int err;
123 if (!cfg)
124 return -ENOMEM;
125 acard->dev = pnp_request_card_device(card, id->devs[0].id, NULL);
126 if (acard->dev == NULL) {
127 kfree(cfg);
128 return -EBUSY;
130 acard->devmpu = pnp_request_card_device(card, id->devs[1].id, NULL);
131 if (acard->devmpu == NULL) {
132 mpu_port[dev] = -1;
133 snd_printk(KERN_WARNING PFX "MPU401 device busy, skipping.\n");
136 pdev = acard->dev;
137 pnp_init_resource_table(cfg);
139 if (port[dev] != SNDRV_AUTO_PORT)
140 pnp_resource_change(&cfg->port_resource[2], port[dev], 16);
141 if (fm_port[dev] != SNDRV_AUTO_PORT)
142 pnp_resource_change(&cfg->port_resource[1], fm_port[dev], 4);
143 if (dma1[dev] != SNDRV_AUTO_DMA)
144 pnp_resource_change(&cfg->dma_resource[0], dma1[dev], 1);
145 if (dma2[dev] != SNDRV_AUTO_DMA)
146 pnp_resource_change(&cfg->dma_resource[1], dma2[dev], 1);
147 if (irq[dev] != SNDRV_AUTO_IRQ)
148 pnp_resource_change(&cfg->irq_resource[0], irq[dev], 1);
150 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
151 snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
152 err = pnp_activate_dev(pdev);
153 if (err < 0) {
154 printk(KERN_ERR PFX "AUDIO PnP configure failure\n");
155 kfree(cfg);
156 return -EBUSY;
159 port[dev] = pnp_port_start(pdev, 2);
160 fm_port[dev] = pnp_port_start(pdev, 1);
161 dma1[dev] = pnp_dma(pdev, 0);
162 dma2[dev] = pnp_dma(pdev, 1);
163 irq[dev] = pnp_irq(pdev, 0);
165 if (acard->devmpu == NULL) {
166 kfree(cfg);
167 return 0;
169 pdev = acard->devmpu;
170 pnp_init_resource_table(cfg);
172 if (mpu_port[dev] != SNDRV_AUTO_PORT)
173 pnp_resource_change(&cfg->port_resource[0], mpu_port[dev], 2);
174 if (mpu_irq[dev] != SNDRV_AUTO_IRQ)
175 pnp_resource_change(&cfg->irq_resource[0], mpu_irq[dev], 1);
177 if (pnp_manual_config_dev(pdev, cfg, 0) < 0)
178 snd_printk(KERN_ERR PFX "AUDIO the requested resources are invalid, using auto config\n");
179 err = pnp_activate_dev(pdev);
180 if (err < 0) {
181 printk(KERN_ERR PFX "MPU401 PnP configure failure\n");
182 mpu_port[dev] = -1;
183 acard->devmpu = NULL;
184 } else {
185 mpu_port[dev] = pnp_port_start(pdev, 0);
186 mpu_irq[dev] = pnp_irq(pdev, 0);
189 kfree(cfg);
190 return 0;
193 static int __devinit snd_card_ad1816a_probe(int dev, struct pnp_card_link *pcard,
194 const struct pnp_card_device_id *pid)
196 int error;
197 struct snd_card *card;
198 struct snd_card_ad1816a *acard;
199 struct snd_ad1816a *chip;
200 struct snd_opl3 *opl3;
202 if ((card = snd_card_new(index[dev], id[dev], THIS_MODULE,
203 sizeof(struct snd_card_ad1816a))) == NULL)
204 return -ENOMEM;
205 acard = (struct snd_card_ad1816a *)card->private_data;
207 if ((error = snd_card_ad1816a_pnp(dev, acard, pcard, pid))) {
208 snd_card_free(card);
209 return error;
211 snd_card_set_dev(card, &pcard->card->dev);
213 if ((error = snd_ad1816a_create(card, port[dev],
214 irq[dev],
215 dma1[dev],
216 dma2[dev],
217 &chip)) < 0) {
218 snd_card_free(card);
219 return error;
221 if (clockfreq[dev] >= 5000 && clockfreq[dev] <= 100000)
222 chip->clock_freq = clockfreq[dev];
224 strcpy(card->driver, "AD1816A");
225 strcpy(card->shortname, "ADI SoundPort AD1816A");
226 sprintf(card->longname, "%s, SS at 0x%lx, irq %d, dma %d&%d",
227 card->shortname, chip->port, irq[dev], dma1[dev], dma2[dev]);
229 if ((error = snd_ad1816a_pcm(chip, 0, NULL)) < 0) {
230 snd_card_free(card);
231 return error;
234 if ((error = snd_ad1816a_mixer(chip)) < 0) {
235 snd_card_free(card);
236 return error;
239 if (mpu_port[dev] > 0) {
240 if (snd_mpu401_uart_new(card, 0, MPU401_HW_MPU401,
241 mpu_port[dev], 0, mpu_irq[dev], IRQF_DISABLED,
242 NULL) < 0)
243 printk(KERN_ERR PFX "no MPU-401 device at 0x%lx.\n", mpu_port[dev]);
246 if (fm_port[dev] > 0) {
247 if (snd_opl3_create(card,
248 fm_port[dev], fm_port[dev] + 2,
249 OPL3_HW_AUTO, 0, &opl3) < 0) {
250 printk(KERN_ERR PFX "no OPL device at 0x%lx-0x%lx.\n", fm_port[dev], fm_port[dev] + 2);
251 } else {
252 if ((error = snd_opl3_timer_new(opl3, 1, 2)) < 0) {
253 snd_card_free(card);
254 return error;
256 if ((error = snd_opl3_hwdep_new(opl3, 0, 1, NULL)) < 0) {
257 snd_card_free(card);
258 return error;
263 if ((error = snd_card_register(card)) < 0) {
264 snd_card_free(card);
265 return error;
267 pnp_set_card_drvdata(pcard, card);
268 return 0;
271 static unsigned int __devinitdata ad1816a_devices;
273 static int __devinit snd_ad1816a_pnp_detect(struct pnp_card_link *card,
274 const struct pnp_card_device_id *id)
276 static int dev;
277 int res;
279 for ( ; dev < SNDRV_CARDS; dev++) {
280 if (!enable[dev])
281 continue;
282 res = snd_card_ad1816a_probe(dev, card, id);
283 if (res < 0)
284 return res;
285 dev++;
286 ad1816a_devices++;
287 return 0;
289 return -ENODEV;
292 static void __devexit snd_ad1816a_pnp_remove(struct pnp_card_link * pcard)
294 snd_card_free(pnp_get_card_drvdata(pcard));
295 pnp_set_card_drvdata(pcard, NULL);
298 static struct pnp_card_driver ad1816a_pnpc_driver = {
299 .flags = PNP_DRIVER_RES_DISABLE,
300 .name = "ad1816a",
301 .id_table = snd_ad1816a_pnpids,
302 .probe = snd_ad1816a_pnp_detect,
303 .remove = __devexit_p(snd_ad1816a_pnp_remove),
304 /* FIXME: suspend/resume */
307 static int __init alsa_card_ad1816a_init(void)
309 int err;
311 err = pnp_register_card_driver(&ad1816a_pnpc_driver);
312 if (err)
313 return err;
315 if (!ad1816a_devices) {
316 pnp_unregister_card_driver(&ad1816a_pnpc_driver);
317 #ifdef MODULE
318 printk(KERN_ERR "no AD1816A based soundcards found.\n");
319 #endif /* MODULE */
320 return -ENODEV;
322 return 0;
325 static void __exit alsa_card_ad1816a_exit(void)
327 pnp_unregister_card_driver(&ad1816a_pnpc_driver);
330 module_init(alsa_card_ad1816a_init)
331 module_exit(alsa_card_ad1816a_exit)