[ALSA] Replace with kzalloc() - isa stuff
[linux-3.10.git] / sound / isa / gus / gus_main.c
1 /*
2  *  Routines for Gravis UltraSound soundcards
3  *  Copyright (c) by Jaroslav Kysela <perex@suse.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 <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/delay.h>
26 #include <linux/slab.h>
27 #include <linux/ioport.h>
28 #include <sound/core.h>
29 #include <sound/gus.h>
30 #include <sound/control.h>
31
32 #include <asm/dma.h>
33
34 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
35 MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
36 MODULE_LICENSE("GPL");
37
38 static int snd_gus_init_dma_irq(snd_gus_card_t * gus, int latches);
39
40 int snd_gus_use_inc(snd_gus_card_t * gus)
41 {
42         if (!try_module_get(gus->card->module))
43                 return 0;
44         return 1;
45 }
46
47 void snd_gus_use_dec(snd_gus_card_t * gus)
48 {
49         module_put(gus->card->module);
50 }
51
52 static int snd_gus_joystick_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
53 {
54         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
55         uinfo->count = 1;
56         uinfo->value.integer.min = 0;
57         uinfo->value.integer.max = 31;
58         return 0;
59 }
60
61 static int snd_gus_joystick_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
62 {
63         snd_gus_card_t *gus = snd_kcontrol_chip(kcontrol);
64         
65         ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
66         return 0;
67 }
68
69 static int snd_gus_joystick_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
70 {
71         snd_gus_card_t *gus = snd_kcontrol_chip(kcontrol);
72         unsigned long flags;
73         int change;
74         unsigned char nval;
75         
76         nval = ucontrol->value.integer.value[0] & 31;
77         spin_lock_irqsave(&gus->reg_lock, flags);
78         change = gus->joystick_dac != nval;
79         gus->joystick_dac = nval;
80         snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
81         spin_unlock_irqrestore(&gus->reg_lock, flags);
82         return change;
83 }
84
85 static snd_kcontrol_new_t snd_gus_joystick_control = {
86         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
87         .name = "Joystick Speed",
88         .info = snd_gus_joystick_info,
89         .get = snd_gus_joystick_get,
90         .put = snd_gus_joystick_put
91 };
92
93 static void snd_gus_init_control(snd_gus_card_t *gus)
94 {
95         if (!gus->ace_flag)
96                 snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
97 }
98
99 /*
100  *
101  */
102
103 static int snd_gus_free(snd_gus_card_t *gus)
104 {
105         if (gus->gf1.res_port2 == NULL)
106                 goto __hw_end;
107 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
108         if (gus->seq_dev) {
109                 snd_device_free(gus->card, gus->seq_dev);
110                 gus->seq_dev = NULL;
111         }
112 #endif
113         snd_gf1_stop(gus);
114         snd_gus_init_dma_irq(gus, 0);
115       __hw_end:
116         if (gus->gf1.res_port1) {
117                 release_resource(gus->gf1.res_port1);
118                 kfree_nocheck(gus->gf1.res_port1);
119         }
120         if (gus->gf1.res_port2) {
121                 release_resource(gus->gf1.res_port2);
122                 kfree_nocheck(gus->gf1.res_port2);
123         }
124         if (gus->gf1.irq >= 0)
125                 free_irq(gus->gf1.irq, (void *) gus);
126         if (gus->gf1.dma1 >= 0) {
127                 disable_dma(gus->gf1.dma1);
128                 free_dma(gus->gf1.dma1);
129         }
130         if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
131                 disable_dma(gus->gf1.dma2);
132                 free_dma(gus->gf1.dma2);
133         }
134         kfree(gus);
135         return 0;
136 }
137
138 static int snd_gus_dev_free(snd_device_t *device)
139 {
140         snd_gus_card_t *gus = device->device_data;
141         return snd_gus_free(gus);
142 }
143
144 int snd_gus_create(snd_card_t * card,
145                    unsigned long port,
146                    int irq, int dma1, int dma2,
147                    int timer_dev,
148                    int voices,
149                    int pcm_channels,
150                    int effect,
151                    snd_gus_card_t **rgus)
152 {
153         snd_gus_card_t *gus;
154         int err;
155         static snd_device_ops_t ops = {
156                 .dev_free =     snd_gus_dev_free,
157         };
158
159         *rgus = NULL;
160         gus = kzalloc(sizeof(*gus), GFP_KERNEL);
161         if (gus == NULL)
162                 return -ENOMEM;
163         gus->gf1.irq = -1;
164         gus->gf1.dma1 = -1;
165         gus->gf1.dma2 = -1;
166         gus->card = card;
167         gus->gf1.port = port;
168         /* fill register variables for speedup */
169         gus->gf1.reg_page = GUSP(gus, GF1PAGE);
170         gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
171         gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
172         gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
173         gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
174         gus->gf1.reg_dram = GUSP(gus, DRAM);
175         gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
176         gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
177         /* allocate resources */
178         if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) {
179                 snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
180                 snd_gus_free(gus);
181                 return -EBUSY;
182         }
183         if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) {
184                 snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
185                 snd_gus_free(gus);
186                 return -EBUSY;
187         }
188         if (irq >= 0 && request_irq(irq, snd_gus_interrupt, SA_INTERRUPT, "GUS GF1", (void *) gus)) {
189                 snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
190                 snd_gus_free(gus);
191                 return -EBUSY;
192         }
193         gus->gf1.irq = irq;
194         if (request_dma(dma1, "GUS - 1")) {
195                 snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
196                 snd_gus_free(gus);
197                 return -EBUSY;
198         }
199         gus->gf1.dma1 = dma1;
200         if (dma2 >= 0 && dma1 != dma2) {
201                 if (request_dma(dma2, "GUS - 2")) {
202                         snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
203                         snd_gus_free(gus);
204                         return -EBUSY;
205                 }
206                 gus->gf1.dma2 = dma2;
207         } else {
208                 gus->gf1.dma2 = gus->gf1.dma1;
209                 gus->equal_dma = 1;
210         }
211         gus->timer_dev = timer_dev;
212         if (voices < 14)
213                 voices = 14;
214         if (voices > 32)
215                 voices = 32;
216         if (pcm_channels < 0)
217                 pcm_channels = 0;
218         if (pcm_channels > 8)
219                 pcm_channels = 8;
220         pcm_channels++;
221         pcm_channels &= ~1;
222         gus->gf1.effect = effect ? 1 : 0;
223         gus->gf1.active_voices = voices;
224         gus->gf1.pcm_channels = pcm_channels;
225         gus->gf1.volume_ramp = 25;
226         gus->gf1.smooth_pan = 1;
227         spin_lock_init(&gus->reg_lock);
228         spin_lock_init(&gus->voice_alloc);
229         spin_lock_init(&gus->active_voice_lock);
230         spin_lock_init(&gus->event_lock);
231         spin_lock_init(&gus->dma_lock);
232         spin_lock_init(&gus->pcm_volume_level_lock);
233         spin_lock_init(&gus->uart_cmd_lock);
234         init_MUTEX(&gus->dma_mutex);
235         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {
236                 snd_gus_free(gus);
237                 return err;
238         }
239         *rgus = gus;
240         return 0;
241 }
242
243 /*
244  *  Memory detection routine for plain GF1 soundcards
245  */
246
247 static int snd_gus_detect_memory(snd_gus_card_t * gus)
248 {
249         int l, idx, local;
250         unsigned char d;
251
252         snd_gf1_poke(gus, 0L, 0xaa);
253         snd_gf1_poke(gus, 1L, 0x55);
254         if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
255                 snd_printk("plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
256                 return -ENOMEM;
257         }
258         for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
259                 local = idx << 18;
260                 snd_gf1_poke(gus, local, d);
261                 snd_gf1_poke(gus, local + 1, d + 1);
262                 if (snd_gf1_peek(gus, local) != d ||
263                     snd_gf1_peek(gus, local + 1) != d + 1 ||
264                     snd_gf1_peek(gus, 0L) != 0xaa)
265                         break;
266         }
267 #if 1
268         gus->gf1.memory = idx << 18;
269 #else
270         gus->gf1.memory = 256 * 1024;
271 #endif
272         for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
273                 gus->gf1.mem_alloc.banks_8[l].address =
274                     gus->gf1.mem_alloc.banks_8[l].size = 0;
275                 gus->gf1.mem_alloc.banks_16[l].address = l << 18;
276                 gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
277         }
278         gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
279         return 0;               /* some memory were detected */
280 }
281
282 static int snd_gus_init_dma_irq(snd_gus_card_t * gus, int latches)
283 {
284         snd_card_t *card;
285         unsigned long flags;
286         int irq, dma1, dma2;
287         static unsigned char irqs[16] =
288                 {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
289         static unsigned char dmas[8] =
290                 {6, 1, 0, 2, 0, 3, 4, 5};
291
292         snd_assert(gus != NULL, return -EINVAL);
293         card = gus->card;
294         snd_assert(card != NULL, return -EINVAL);
295
296         gus->mix_cntrl_reg &= 0xf8;
297         gus->mix_cntrl_reg |= 0x01;     /* disable MIC, LINE IN, enable LINE OUT */
298         if (gus->codec_flag || gus->ess_flag) {
299                 gus->mix_cntrl_reg &= ~1;       /* enable LINE IN */
300                 gus->mix_cntrl_reg |= 4;        /* enable MIC */
301         }
302         dma1 = gus->gf1.dma1;
303         dma1 = dma1 < 0 ? -dma1 : dma1;
304         dma1 = dmas[dma1 & 7];
305         dma2 = gus->gf1.dma2;
306         dma2 = dma2 < 0 ? -dma2 : dma2;
307         dma2 = dmas[dma2 & 7];
308 #if 0
309         printk("dma1 = %i, dma2 = %i\n", gus->gf1.dma1, gus->gf1.dma2);
310 #endif
311         dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
312
313         if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
314                 snd_printk("Error! DMA isn't defined.\n");
315                 return -EINVAL;
316         }
317         irq = gus->gf1.irq;
318         irq = irq < 0 ? -irq : irq;
319         irq = irqs[irq & 0x0f];
320         if (irq == 0) {
321                 snd_printk("Error! IRQ isn't defined.\n");
322                 return -EINVAL;
323         }
324         irq |= 0x40;
325 #if 0
326         card->mixer.mix_ctrl_reg |= 0x10;
327 #endif
328
329         spin_lock_irqsave(&gus->reg_lock, flags);
330         outb(5, GUSP(gus, REGCNTRLS));
331         outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
332         outb(0x00, GUSP(gus, IRQDMACNTRLREG));
333         outb(0, GUSP(gus, REGCNTRLS));
334         spin_unlock_irqrestore(&gus->reg_lock, flags);
335
336         udelay(100);
337
338         spin_lock_irqsave(&gus->reg_lock, flags);
339         outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
340         outb(dma1, GUSP(gus, IRQDMACNTRLREG));
341         if (latches) {
342                 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
343                 outb(irq, GUSP(gus, IRQDMACNTRLREG));
344         }
345         spin_unlock_irqrestore(&gus->reg_lock, flags);
346
347         udelay(100);
348
349         spin_lock_irqsave(&gus->reg_lock, flags);
350         outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
351         outb(dma1, GUSP(gus, IRQDMACNTRLREG));
352         if (latches) {
353                 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
354                 outb(irq, GUSP(gus, IRQDMACNTRLREG));
355         }
356         spin_unlock_irqrestore(&gus->reg_lock, flags);
357
358         snd_gf1_delay(gus);
359
360         if (latches)
361                 gus->mix_cntrl_reg |= 0x08;     /* enable latches */
362         else
363                 gus->mix_cntrl_reg &= ~0x08;    /* disable latches */
364         spin_lock_irqsave(&gus->reg_lock, flags);
365         outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
366         outb(0, GUSP(gus, GF1PAGE));
367         spin_unlock_irqrestore(&gus->reg_lock, flags);
368
369         return 0;
370 }
371
372 static int snd_gus_check_version(snd_gus_card_t * gus)
373 {
374         unsigned long flags;
375         unsigned char val, rev;
376         snd_card_t *card;
377
378         card = gus->card;
379         spin_lock_irqsave(&gus->reg_lock, flags);
380         outb(0x20, GUSP(gus, REGCNTRLS));
381         val = inb(GUSP(gus, REGCNTRLS));
382         rev = inb(GUSP(gus, BOARDVERSION));
383         spin_unlock_irqrestore(&gus->reg_lock, flags);
384         snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
385         strcpy(card->driver, "GUS");
386         strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
387         if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
388                 if (rev >= 5 && rev <= 9) {
389                         gus->ics_flag = 1;
390                         if (rev == 5)
391                                 gus->ics_flipped = 1;
392                         card->longname[27] = '3';
393                         card->longname[29] = rev == 5 ? '5' : '7';
394                 }
395                 if (rev >= 10 && rev != 255) {
396                         if (rev >= 10 && rev <= 11) {
397                                 strcpy(card->driver, "GUS MAX");
398                                 strcpy(card->longname, "Gravis UltraSound MAX");
399                                 gus->max_flag = 1;
400                         } else if (rev == 0x30) {
401                                 strcpy(card->driver, "GUS ACE");
402                                 strcpy(card->longname, "Gravis UltraSound Ace");
403                                 gus->ace_flag = 1;
404                         } else if (rev == 0x50) {
405                                 strcpy(card->driver, "GUS Extreme");
406                                 strcpy(card->longname, "Gravis UltraSound Extreme");
407                                 gus->ess_flag = 1;
408                         } else {
409                                 snd_printk("unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
410                                 snd_printk("  please - report to <perex@suse.cz>\n");
411                         }
412                 }
413         }
414         strcpy(card->shortname, card->longname);
415         gus->uart_enable = 1;   /* standard GUSes doesn't have midi uart trouble */
416         snd_gus_init_control(gus);
417         return 0;
418 }
419
420 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
421 static void snd_gus_seq_dev_free(snd_seq_device_t *seq_dev)
422 {
423         snd_gus_card_t *gus = seq_dev->private_data;
424         gus->seq_dev = NULL;
425 }
426 #endif
427
428 int snd_gus_initialize(snd_gus_card_t *gus)
429 {
430         int err;
431
432         if (!gus->interwave) {
433                 if ((err = snd_gus_check_version(gus)) < 0) {
434                         snd_printk("version check failed\n");
435                         return err;
436                 }
437                 if ((err = snd_gus_detect_memory(gus)) < 0)
438                         return err;
439         }
440         if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
441                 return err;
442 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
443         if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS,
444                                sizeof(snd_gus_card_t*), &gus->seq_dev) >= 0) {
445                 strcpy(gus->seq_dev->name, "GUS");
446                 *(snd_gus_card_t**)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus;
447                 gus->seq_dev->private_data = gus;
448                 gus->seq_dev->private_free = snd_gus_seq_dev_free;
449         }
450 #endif
451         snd_gf1_start(gus);
452         gus->initialized = 1;
453         return 0;
454 }
455
456   /* gus_io.c */
457 EXPORT_SYMBOL(snd_gf1_delay);
458 EXPORT_SYMBOL(snd_gf1_write8);
459 EXPORT_SYMBOL(snd_gf1_look8);
460 EXPORT_SYMBOL(snd_gf1_write16);
461 EXPORT_SYMBOL(snd_gf1_look16);
462 EXPORT_SYMBOL(snd_gf1_i_write8);
463 EXPORT_SYMBOL(snd_gf1_i_look8);
464 EXPORT_SYMBOL(snd_gf1_i_look16);
465 EXPORT_SYMBOL(snd_gf1_dram_addr);
466 EXPORT_SYMBOL(snd_gf1_write_addr);
467 EXPORT_SYMBOL(snd_gf1_poke);
468 EXPORT_SYMBOL(snd_gf1_peek);
469   /* gus_reset.c */
470 EXPORT_SYMBOL(snd_gf1_alloc_voice);
471 EXPORT_SYMBOL(snd_gf1_free_voice);
472 EXPORT_SYMBOL(snd_gf1_ctrl_stop);
473 EXPORT_SYMBOL(snd_gf1_stop_voice);
474   /* gus_mixer.c */
475 EXPORT_SYMBOL(snd_gf1_new_mixer);
476   /* gus_pcm.c */
477 EXPORT_SYMBOL(snd_gf1_pcm_new);
478   /* gus.c */
479 EXPORT_SYMBOL(snd_gus_use_inc);
480 EXPORT_SYMBOL(snd_gus_use_dec);
481 EXPORT_SYMBOL(snd_gus_create);
482 EXPORT_SYMBOL(snd_gus_initialize);
483   /* gus_irq.c */
484 EXPORT_SYMBOL(snd_gus_interrupt);
485   /* gus_uart.c */
486 EXPORT_SYMBOL(snd_gf1_rawmidi_new);
487   /* gus_dram.c */
488 EXPORT_SYMBOL(snd_gus_dram_write);
489 EXPORT_SYMBOL(snd_gus_dram_read);
490   /* gus_volume.c */
491 EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
492 EXPORT_SYMBOL(snd_gf1_translate_freq);
493   /* gus_mem.c */
494 EXPORT_SYMBOL(snd_gf1_mem_alloc);
495 EXPORT_SYMBOL(snd_gf1_mem_xfree);
496 EXPORT_SYMBOL(snd_gf1_mem_free);
497 EXPORT_SYMBOL(snd_gf1_mem_lock);
498
499 /*
500  *  INIT part
501  */
502
503 static int __init alsa_gus_init(void)
504 {
505         return 0;
506 }
507
508 static void __exit alsa_gus_exit(void)
509 {
510 }
511
512 module_init(alsa_gus_init)
513 module_exit(alsa_gus_exit)