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1/*
2 * Driver for Gravis UltraSound MAX soundcard
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
4 *
5 *
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.
10 *
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.
15 *
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
19 *
20 */
21
22#include <linux/init.h>
23#include <linux/err.h>
24#include <linux/isa.h>
25#include <linux/delay.h>
26#include <linux/time.h>
27#include <linux/moduleparam.h>
28#include <asm/dma.h>
29#include <sound/core.h>
30#include <sound/gus.h>
31#include <sound/wss.h>
32#define SNDRV_LEGACY_FIND_FREE_IRQ
33#define SNDRV_LEGACY_FIND_FREE_DMA
34#include <sound/initval.h>
35
36MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
37MODULE_DESCRIPTION("Gravis UltraSound MAX");
38MODULE_LICENSE("GPL");
39MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
40
41static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
42static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
43static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
44static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
45static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
46static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
47static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
48static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
49 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
50static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
51static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
52
53module_param_array(index, int, NULL, 0444);
54MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
55module_param_array(id, charp, NULL, 0444);
56MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
57module_param_array(enable, bool, NULL, 0444);
58MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
59module_param_array(port, long, NULL, 0444);
60MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
61module_param_array(irq, int, NULL, 0444);
62MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
63module_param_array(dma1, int, NULL, 0444);
64MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
65module_param_array(dma2, int, NULL, 0444);
66MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
67module_param_array(joystick_dac, int, NULL, 0444);
68MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
69module_param_array(channels, int, NULL, 0444);
70MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
71module_param_array(pcm_channels, int, NULL, 0444);
72MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
73
74struct snd_gusmax {
75 int irq;
76 struct snd_card *card;
77 struct snd_gus_card *gus;
78 struct snd_wss *wss;
79 unsigned short gus_status_reg;
80 unsigned short pcm_status_reg;
81};
82
83#define PFX "gusmax: "
84
85static int __devinit snd_gusmax_detect(struct snd_gus_card * gus)
86{
87 unsigned char d;
88
89 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
90 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
91 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
92 return -ENODEV;
93 }
94 udelay(160);
95 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
96 udelay(160);
97 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
98 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
99 return -ENODEV;
100 }
101
102 return 0;
103}
104
105static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
106{
107 struct snd_gusmax *maxcard = dev_id;
108 int loop, max = 5;
109 int handled = 0;
110
111 do {
112 loop = 0;
113 if (inb(maxcard->gus_status_reg)) {
114 handled = 1;
115 snd_gus_interrupt(irq, maxcard->gus);
116 loop++;
117 }
118 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
119 handled = 1;
120 snd_wss_interrupt(irq, maxcard->wss);
121 loop++;
122 }
123 } while (loop && --max > 0);
124 return IRQ_RETVAL(handled);
125}
126
127static void __devinit snd_gusmax_init(int dev, struct snd_card *card,
128 struct snd_gus_card * gus)
129{
130 gus->equal_irq = 1;
131 gus->codec_flag = 1;
132 gus->joystick_dac = joystick_dac[dev];
133 /* init control register */
134 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
135 if (gus->gf1.dma1 > 3)
136 gus->max_cntrl_val |= 0x10;
137 if (gus->gf1.dma2 > 3)
138 gus->max_cntrl_val |= 0x20;
139 gus->max_cntrl_val |= 0x40;
140 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
141}
142
143static int __devinit snd_gusmax_mixer(struct snd_wss *chip)
144{
145 struct snd_card *card = chip->card;
146 struct snd_ctl_elem_id id1, id2;
147 int err;
148
149 memset(&id1, 0, sizeof(id1));
150 memset(&id2, 0, sizeof(id2));
151 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
152 /* reassign AUXA to SYNTHESIZER */
153 strcpy(id1.name, "Aux Playback Switch");
154 strcpy(id2.name, "Synth Playback Switch");
155 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
156 return err;
157 strcpy(id1.name, "Aux Playback Volume");
158 strcpy(id2.name, "Synth Playback Volume");
159 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
160 return err;
161 /* reassign AUXB to CD */
162 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
163 strcpy(id2.name, "CD Playback Switch");
164 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
165 return err;
166 strcpy(id1.name, "Aux Playback Volume");
167 strcpy(id2.name, "CD Playback Volume");
168 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
169 return err;
170#if 0
171 /* reassign Mono Input to MIC */
172 if (snd_mixer_group_rename(mixer,
173 SNDRV_MIXER_IN_MONO, 0,
174 SNDRV_MIXER_IN_MIC, 0) < 0)
175 goto __error;
176 if (snd_mixer_elem_rename(mixer,
177 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
178 SNDRV_MIXER_IN_MIC, 0) < 0)
179 goto __error;
180 if (snd_mixer_elem_rename(mixer,
181 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
182 "Mic Capture Volume", 0) < 0)
183 goto __error;
184 if (snd_mixer_elem_rename(mixer,
185 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
186 "Mic Capture Switch", 0) < 0)
187 goto __error;
188#endif
189 return 0;
190}
191
192static void snd_gusmax_free(struct snd_card *card)
193{
194 struct snd_gusmax *maxcard = card->private_data;
195
196 if (maxcard == NULL)
197 return;
198 if (maxcard->irq >= 0)
199 free_irq(maxcard->irq, (void *)maxcard);
200}
201
202static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
203{
204 return enable[dev];
205}
206
207static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev)
208{
209 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
210 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
211 int xirq, xdma1, xdma2, err;
212 struct snd_card *card;
213 struct snd_gus_card *gus = NULL;
214 struct snd_wss *wss;
215 struct snd_gusmax *maxcard;
216
217 err = snd_card_create(index[dev], id[dev], THIS_MODULE,
218 sizeof(struct snd_gusmax), &card);
219 if (err < 0)
220 return err;
221 card->private_free = snd_gusmax_free;
222 maxcard = card->private_data;
223 maxcard->card = card;
224 maxcard->irq = -1;
225
226 xirq = irq[dev];
227 if (xirq == SNDRV_AUTO_IRQ) {
228 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
229 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
230 err = -EBUSY;
231 goto _err;
232 }
233 }
234 xdma1 = dma1[dev];
235 if (xdma1 == SNDRV_AUTO_DMA) {
236 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
237 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
238 err = -EBUSY;
239 goto _err;
240 }
241 }
242 xdma2 = dma2[dev];
243 if (xdma2 == SNDRV_AUTO_DMA) {
244 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
245 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
246 err = -EBUSY;
247 goto _err;
248 }
249 }
250
251 if (port[dev] != SNDRV_AUTO_PORT) {
252 err = snd_gus_create(card,
253 port[dev],
254 -xirq, xdma1, xdma2,
255 0, channels[dev],
256 pcm_channels[dev],
257 0, &gus);
258 } else {
259 static unsigned long possible_ports[] = {
260 0x220, 0x230, 0x240, 0x250, 0x260
261 };
262 int i;
263 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
264 err = snd_gus_create(card,
265 possible_ports[i],
266 -xirq, xdma1, xdma2,
267 0, channels[dev],
268 pcm_channels[dev],
269 0, &gus);
270 if (err >= 0) {
271 port[dev] = possible_ports[i];
272 break;
273 }
274 }
275 }
276 if (err < 0)
277 goto _err;
278
279 if ((err = snd_gusmax_detect(gus)) < 0)
280 goto _err;
281
282 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
283 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
284 snd_gusmax_init(dev, card, gus);
285 if ((err = snd_gus_initialize(gus)) < 0)
286 goto _err;
287
288 if (!gus->max_flag) {
289 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
290 err = -ENODEV;
291 goto _err;
292 }
293
294 if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) {
295 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
296 err = -EBUSY;
297 goto _err;
298 }
299 maxcard->irq = xirq;
300
301 err = snd_wss_create(card,
302 gus->gf1.port + 0x10c, -1, xirq,
303 xdma2 < 0 ? xdma1 : xdma2, xdma1,
304 WSS_HW_DETECT,
305 WSS_HWSHARE_IRQ |
306 WSS_HWSHARE_DMA1 |
307 WSS_HWSHARE_DMA2,
308 &wss);
309 if (err < 0)
310 goto _err;
311
312 err = snd_wss_pcm(wss, 0, NULL);
313 if (err < 0)
314 goto _err;
315
316 err = snd_wss_mixer(wss);
317 if (err < 0)
318 goto _err;
319
320 err = snd_wss_timer(wss, 2, NULL);
321 if (err < 0)
322 goto _err;
323
324 if (pcm_channels[dev] > 0) {
325 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
326 goto _err;
327 }
328 err = snd_gusmax_mixer(wss);
329 if (err < 0)
330 goto _err;
331
332 err = snd_gf1_rawmidi_new(gus, 0, NULL);
333 if (err < 0)
334 goto _err;
335
336 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
337 if (xdma2 >= 0)
338 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
339
340 snd_card_set_dev(card, pdev);
341
342 err = snd_card_register(card);
343 if (err < 0)
344 goto _err;
345
346 maxcard->gus = gus;
347 maxcard->wss = wss;
348
349 dev_set_drvdata(pdev, card);
350 return 0;
351
352 _err:
353 snd_card_free(card);
354 return err;
355}
356
357static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev)
358{
359 snd_card_free(dev_get_drvdata(devptr));
360 dev_set_drvdata(devptr, NULL);
361 return 0;
362}
363
364#define DEV_NAME "gusmax"
365
366static struct isa_driver snd_gusmax_driver = {
367 .match = snd_gusmax_match,
368 .probe = snd_gusmax_probe,
369 .remove = __devexit_p(snd_gusmax_remove),
370 /* FIXME: suspend/resume */
371 .driver = {
372 .name = DEV_NAME
373 },
374};
375
376static int __init alsa_card_gusmax_init(void)
377{
378 return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
379}
380
381static void __exit alsa_card_gusmax_exit(void)
382{
383 isa_unregister_driver(&snd_gusmax_driver);
384}
385
386module_init(alsa_card_gusmax_init)
387module_exit(alsa_card_gusmax_exit)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for Gravis UltraSound MAX soundcard
4 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
5 */
6
7#include <linux/init.h>
8#include <linux/err.h>
9#include <linux/isa.h>
10#include <linux/delay.h>
11#include <linux/time.h>
12#include <linux/module.h>
13#include <asm/dma.h>
14#include <sound/core.h>
15#include <sound/gus.h>
16#include <sound/wss.h>
17#define SNDRV_LEGACY_FIND_FREE_IRQ
18#define SNDRV_LEGACY_FIND_FREE_DMA
19#include <sound/initval.h>
20
21MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
22MODULE_DESCRIPTION("Gravis UltraSound MAX");
23MODULE_LICENSE("GPL");
24MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
25
26static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
27static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
28static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
29static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */
30static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */
31static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
32static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */
33static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
34 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
35static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
36static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
37
38module_param_array(index, int, NULL, 0444);
39MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
40module_param_array(id, charp, NULL, 0444);
41MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
42module_param_array(enable, bool, NULL, 0444);
43MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
44module_param_hw_array(port, long, ioport, NULL, 0444);
45MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
46module_param_hw_array(irq, int, irq, NULL, 0444);
47MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
48module_param_hw_array(dma1, int, dma, NULL, 0444);
49MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
50module_param_hw_array(dma2, int, dma, NULL, 0444);
51MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
52module_param_array(joystick_dac, int, NULL, 0444);
53MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
54module_param_array(channels, int, NULL, 0444);
55MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
56module_param_array(pcm_channels, int, NULL, 0444);
57MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
58
59struct snd_gusmax {
60 int irq;
61 struct snd_card *card;
62 struct snd_gus_card *gus;
63 struct snd_wss *wss;
64 unsigned short gus_status_reg;
65 unsigned short pcm_status_reg;
66};
67
68#define PFX "gusmax: "
69
70static int snd_gusmax_detect(struct snd_gus_card *gus)
71{
72 unsigned char d;
73
74 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */
75 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
76 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
77 return -ENODEV;
78 }
79 udelay(160);
80 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */
81 udelay(160);
82 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
83 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
84 return -ENODEV;
85 }
86
87 return 0;
88}
89
90static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
91{
92 struct snd_gusmax *maxcard = dev_id;
93 int loop, max = 5;
94 int handled = 0;
95
96 do {
97 loop = 0;
98 if (inb(maxcard->gus_status_reg)) {
99 handled = 1;
100 snd_gus_interrupt(irq, maxcard->gus);
101 loop++;
102 }
103 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
104 handled = 1;
105 snd_wss_interrupt(irq, maxcard->wss);
106 loop++;
107 }
108 } while (loop && --max > 0);
109 return IRQ_RETVAL(handled);
110}
111
112static void snd_gusmax_init(int dev, struct snd_card *card,
113 struct snd_gus_card *gus)
114{
115 gus->equal_irq = 1;
116 gus->codec_flag = 1;
117 gus->joystick_dac = joystick_dac[dev];
118 /* init control register */
119 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
120 if (gus->gf1.dma1 > 3)
121 gus->max_cntrl_val |= 0x10;
122 if (gus->gf1.dma2 > 3)
123 gus->max_cntrl_val |= 0x20;
124 gus->max_cntrl_val |= 0x40;
125 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
126}
127
128static int snd_gusmax_mixer(struct snd_wss *chip)
129{
130 struct snd_card *card = chip->card;
131 struct snd_ctl_elem_id id1, id2;
132 int err;
133
134 memset(&id1, 0, sizeof(id1));
135 memset(&id2, 0, sizeof(id2));
136 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
137 /* reassign AUXA to SYNTHESIZER */
138 strcpy(id1.name, "Aux Playback Switch");
139 strcpy(id2.name, "Synth Playback Switch");
140 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
141 return err;
142 strcpy(id1.name, "Aux Playback Volume");
143 strcpy(id2.name, "Synth Playback Volume");
144 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
145 return err;
146 /* reassign AUXB to CD */
147 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
148 strcpy(id2.name, "CD Playback Switch");
149 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
150 return err;
151 strcpy(id1.name, "Aux Playback Volume");
152 strcpy(id2.name, "CD Playback Volume");
153 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
154 return err;
155#if 0
156 /* reassign Mono Input to MIC */
157 if (snd_mixer_group_rename(mixer,
158 SNDRV_MIXER_IN_MONO, 0,
159 SNDRV_MIXER_IN_MIC, 0) < 0)
160 goto __error;
161 if (snd_mixer_elem_rename(mixer,
162 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
163 SNDRV_MIXER_IN_MIC, 0) < 0)
164 goto __error;
165 if (snd_mixer_elem_rename(mixer,
166 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
167 "Mic Capture Volume", 0) < 0)
168 goto __error;
169 if (snd_mixer_elem_rename(mixer,
170 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
171 "Mic Capture Switch", 0) < 0)
172 goto __error;
173#endif
174 return 0;
175}
176
177static void snd_gusmax_free(struct snd_card *card)
178{
179 struct snd_gusmax *maxcard = card->private_data;
180
181 if (maxcard == NULL)
182 return;
183 if (maxcard->irq >= 0)
184 free_irq(maxcard->irq, (void *)maxcard);
185}
186
187static int snd_gusmax_match(struct device *pdev, unsigned int dev)
188{
189 return enable[dev];
190}
191
192static int snd_gusmax_probe(struct device *pdev, unsigned int dev)
193{
194 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
195 static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
196 int xirq, xdma1, xdma2, err;
197 struct snd_card *card;
198 struct snd_gus_card *gus = NULL;
199 struct snd_wss *wss;
200 struct snd_gusmax *maxcard;
201
202 err = snd_card_new(pdev, index[dev], id[dev], THIS_MODULE,
203 sizeof(struct snd_gusmax), &card);
204 if (err < 0)
205 return err;
206 card->private_free = snd_gusmax_free;
207 maxcard = card->private_data;
208 maxcard->card = card;
209 maxcard->irq = -1;
210
211 xirq = irq[dev];
212 if (xirq == SNDRV_AUTO_IRQ) {
213 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
214 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
215 err = -EBUSY;
216 goto _err;
217 }
218 }
219 xdma1 = dma1[dev];
220 if (xdma1 == SNDRV_AUTO_DMA) {
221 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
222 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
223 err = -EBUSY;
224 goto _err;
225 }
226 }
227 xdma2 = dma2[dev];
228 if (xdma2 == SNDRV_AUTO_DMA) {
229 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
230 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
231 err = -EBUSY;
232 goto _err;
233 }
234 }
235
236 if (port[dev] != SNDRV_AUTO_PORT) {
237 err = snd_gus_create(card,
238 port[dev],
239 -xirq, xdma1, xdma2,
240 0, channels[dev],
241 pcm_channels[dev],
242 0, &gus);
243 } else {
244 static unsigned long possible_ports[] = {
245 0x220, 0x230, 0x240, 0x250, 0x260
246 };
247 int i;
248 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
249 err = snd_gus_create(card,
250 possible_ports[i],
251 -xirq, xdma1, xdma2,
252 0, channels[dev],
253 pcm_channels[dev],
254 0, &gus);
255 if (err >= 0) {
256 port[dev] = possible_ports[i];
257 break;
258 }
259 }
260 }
261 if (err < 0)
262 goto _err;
263
264 if ((err = snd_gusmax_detect(gus)) < 0)
265 goto _err;
266
267 maxcard->gus_status_reg = gus->gf1.reg_irqstat;
268 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
269 snd_gusmax_init(dev, card, gus);
270 if ((err = snd_gus_initialize(gus)) < 0)
271 goto _err;
272
273 if (!gus->max_flag) {
274 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
275 err = -ENODEV;
276 goto _err;
277 }
278
279 if (request_irq(xirq, snd_gusmax_interrupt, 0, "GUS MAX", (void *)maxcard)) {
280 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
281 err = -EBUSY;
282 goto _err;
283 }
284 maxcard->irq = xirq;
285
286 err = snd_wss_create(card,
287 gus->gf1.port + 0x10c, -1, xirq,
288 xdma2 < 0 ? xdma1 : xdma2, xdma1,
289 WSS_HW_DETECT,
290 WSS_HWSHARE_IRQ |
291 WSS_HWSHARE_DMA1 |
292 WSS_HWSHARE_DMA2,
293 &wss);
294 if (err < 0)
295 goto _err;
296
297 err = snd_wss_pcm(wss, 0);
298 if (err < 0)
299 goto _err;
300
301 err = snd_wss_mixer(wss);
302 if (err < 0)
303 goto _err;
304
305 err = snd_wss_timer(wss, 2);
306 if (err < 0)
307 goto _err;
308
309 if (pcm_channels[dev] > 0) {
310 if ((err = snd_gf1_pcm_new(gus, 1, 1)) < 0)
311 goto _err;
312 }
313 err = snd_gusmax_mixer(wss);
314 if (err < 0)
315 goto _err;
316
317 err = snd_gf1_rawmidi_new(gus, 0);
318 if (err < 0)
319 goto _err;
320
321 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
322 if (xdma2 >= 0)
323 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
324
325 err = snd_card_register(card);
326 if (err < 0)
327 goto _err;
328
329 maxcard->gus = gus;
330 maxcard->wss = wss;
331
332 dev_set_drvdata(pdev, card);
333 return 0;
334
335 _err:
336 snd_card_free(card);
337 return err;
338}
339
340static int snd_gusmax_remove(struct device *devptr, unsigned int dev)
341{
342 snd_card_free(dev_get_drvdata(devptr));
343 return 0;
344}
345
346#define DEV_NAME "gusmax"
347
348static struct isa_driver snd_gusmax_driver = {
349 .match = snd_gusmax_match,
350 .probe = snd_gusmax_probe,
351 .remove = snd_gusmax_remove,
352 /* FIXME: suspend/resume */
353 .driver = {
354 .name = DEV_NAME
355 },
356};
357
358module_isa_driver(snd_gusmax_driver, SNDRV_CARDS);