fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / sound / ppc / burgundy.c
blobe02263fe44dcdc88d1dbdf8e4e1f9c72731894fa
1 /*
2 * PMac Burgundy lowlevel functions
4 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
5 * code based on dmasound.c.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include <sound/driver.h>
23 #include <asm/io.h>
24 #include <linux/init.h>
25 #include <linux/slab.h>
26 #include <linux/delay.h>
27 #include <sound/core.h>
28 #include "pmac.h"
29 #include "burgundy.h"
32 /* Waits for busy flag to clear */
33 static inline void
34 snd_pmac_burgundy_busy_wait(struct snd_pmac *chip)
36 int timeout = 50;
37 while ((in_le32(&chip->awacs->codec_ctrl) & MASK_NEWECMD) && timeout--)
38 udelay(1);
39 if (! timeout)
40 printk(KERN_DEBUG "burgundy_busy_wait: timeout\n");
43 static inline void
44 snd_pmac_burgundy_extend_wait(struct snd_pmac *chip)
46 int timeout;
47 timeout = 50;
48 while (!(in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
49 udelay(1);
50 if (! timeout)
51 printk(KERN_DEBUG "burgundy_extend_wait: timeout #1\n");
52 timeout = 50;
53 while ((in_le32(&chip->awacs->codec_stat) & MASK_EXTEND) && timeout--)
54 udelay(1);
55 if (! timeout)
56 printk(KERN_DEBUG "burgundy_extend_wait: timeout #2\n");
59 static void
60 snd_pmac_burgundy_wcw(struct snd_pmac *chip, unsigned addr, unsigned val)
62 out_le32(&chip->awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff));
63 snd_pmac_burgundy_busy_wait(chip);
64 out_le32(&chip->awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff));
65 snd_pmac_burgundy_busy_wait(chip);
66 out_le32(&chip->awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff));
67 snd_pmac_burgundy_busy_wait(chip);
68 out_le32(&chip->awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff));
69 snd_pmac_burgundy_busy_wait(chip);
72 static unsigned
73 snd_pmac_burgundy_rcw(struct snd_pmac *chip, unsigned addr)
75 unsigned val = 0;
76 unsigned long flags;
78 spin_lock_irqsave(&chip->reg_lock, flags);
80 out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
81 snd_pmac_burgundy_busy_wait(chip);
82 snd_pmac_burgundy_extend_wait(chip);
83 val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
85 out_le32(&chip->awacs->codec_ctrl, addr + 0x100100);
86 snd_pmac_burgundy_busy_wait(chip);
87 snd_pmac_burgundy_extend_wait(chip);
88 val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<8;
90 out_le32(&chip->awacs->codec_ctrl, addr + 0x100200);
91 snd_pmac_burgundy_busy_wait(chip);
92 snd_pmac_burgundy_extend_wait(chip);
93 val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<16;
95 out_le32(&chip->awacs->codec_ctrl, addr + 0x100300);
96 snd_pmac_burgundy_busy_wait(chip);
97 snd_pmac_burgundy_extend_wait(chip);
98 val += ((in_le32(&chip->awacs->codec_stat)>>4) & 0xff) <<24;
100 spin_unlock_irqrestore(&chip->reg_lock, flags);
102 return val;
105 static void
106 snd_pmac_burgundy_wcb(struct snd_pmac *chip, unsigned int addr, unsigned int val)
108 out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
109 snd_pmac_burgundy_busy_wait(chip);
112 static unsigned
113 snd_pmac_burgundy_rcb(struct snd_pmac *chip, unsigned int addr)
115 unsigned val = 0;
116 unsigned long flags;
118 spin_lock_irqsave(&chip->reg_lock, flags);
120 out_le32(&chip->awacs->codec_ctrl, addr + 0x100000);
121 snd_pmac_burgundy_busy_wait(chip);
122 snd_pmac_burgundy_extend_wait(chip);
123 val += (in_le32(&chip->awacs->codec_stat) >> 4) & 0xff;
125 spin_unlock_irqrestore(&chip->reg_lock, flags);
127 return val;
131 * Burgundy volume: 0 - 100, stereo
133 static void
134 snd_pmac_burgundy_write_volume(struct snd_pmac *chip, unsigned int address,
135 long *volume, int shift)
137 int hardvolume, lvolume, rvolume;
139 lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
140 rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
142 hardvolume = lvolume + (rvolume << shift);
143 if (shift == 8)
144 hardvolume |= hardvolume << 16;
146 snd_pmac_burgundy_wcw(chip, address, hardvolume);
149 static void
150 snd_pmac_burgundy_read_volume(struct snd_pmac *chip, unsigned int address,
151 long *volume, int shift)
153 int wvolume;
155 wvolume = snd_pmac_burgundy_rcw(chip, address);
157 volume[0] = wvolume & 0xff;
158 if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
159 volume[0] -= BURGUNDY_VOLUME_OFFSET;
160 else
161 volume[0] = 0;
162 volume[1] = (wvolume >> shift) & 0xff;
163 if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
164 volume[1] -= BURGUNDY_VOLUME_OFFSET;
165 else
166 volume[1] = 0;
173 #define BASE2ADDR(base) ((base) << 12)
174 #define ADDR2BASE(addr) ((addr) >> 12)
176 static int snd_pmac_burgundy_info_volume(struct snd_kcontrol *kcontrol,
177 struct snd_ctl_elem_info *uinfo)
179 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
180 uinfo->count = 2;
181 uinfo->value.integer.min = 0;
182 uinfo->value.integer.max = 100;
183 return 0;
186 static int snd_pmac_burgundy_get_volume(struct snd_kcontrol *kcontrol,
187 struct snd_ctl_elem_value *ucontrol)
189 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
190 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
191 int shift = (kcontrol->private_value >> 8) & 0xff;
192 snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value,
193 shift);
194 return 0;
197 static int snd_pmac_burgundy_put_volume(struct snd_kcontrol *kcontrol,
198 struct snd_ctl_elem_value *ucontrol)
200 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
201 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
202 int shift = (kcontrol->private_value >> 8) & 0xff;
203 long nvoices[2];
205 snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value,
206 shift);
207 snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
208 return (nvoices[0] != ucontrol->value.integer.value[0] ||
209 nvoices[1] != ucontrol->value.integer.value[1]);
212 #define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
213 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
214 .info = snd_pmac_burgundy_info_volume,\
215 .get = snd_pmac_burgundy_get_volume,\
216 .put = snd_pmac_burgundy_put_volume,\
217 .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
219 /* lineout/speaker */
221 static int snd_pmac_burgundy_info_switch_out(struct snd_kcontrol *kcontrol,
222 struct snd_ctl_elem_info *uinfo)
224 int stereo = (kcontrol->private_value >> 24) & 1;
225 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
226 uinfo->count = stereo + 1;
227 uinfo->value.integer.min = 0;
228 uinfo->value.integer.max = 1;
229 return 0;
232 static int snd_pmac_burgundy_get_switch_out(struct snd_kcontrol *kcontrol,
233 struct snd_ctl_elem_value *ucontrol)
235 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
236 int lmask = kcontrol->private_value & 0xff;
237 int rmask = (kcontrol->private_value >> 8) & 0xff;
238 int stereo = (kcontrol->private_value >> 24) & 1;
239 int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
240 ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
241 if (stereo)
242 ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
243 return 0;
246 static int snd_pmac_burgundy_put_switch_out(struct snd_kcontrol *kcontrol,
247 struct snd_ctl_elem_value *ucontrol)
249 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
250 int lmask = kcontrol->private_value & 0xff;
251 int rmask = (kcontrol->private_value >> 8) & 0xff;
252 int stereo = (kcontrol->private_value >> 24) & 1;
253 int val, oval;
254 oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
255 val = oval & ~(lmask | rmask);
256 if (ucontrol->value.integer.value[0])
257 val |= lmask;
258 if (stereo && ucontrol->value.integer.value[1])
259 val |= rmask;
260 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
261 return val != oval;
264 #define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
265 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
266 .info = snd_pmac_burgundy_info_switch_out,\
267 .get = snd_pmac_burgundy_get_switch_out,\
268 .put = snd_pmac_burgundy_put_switch_out,\
269 .private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
271 /* line/speaker output volume */
272 static int snd_pmac_burgundy_info_volume_out(struct snd_kcontrol *kcontrol,
273 struct snd_ctl_elem_info *uinfo)
275 int stereo = (kcontrol->private_value >> 24) & 1;
276 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
277 uinfo->count = stereo + 1;
278 uinfo->value.integer.min = 0;
279 uinfo->value.integer.max = 15;
280 return 0;
283 static int snd_pmac_burgundy_get_volume_out(struct snd_kcontrol *kcontrol,
284 struct snd_ctl_elem_value *ucontrol)
286 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
287 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
288 int stereo = (kcontrol->private_value >> 24) & 1;
289 int oval;
291 oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
292 ucontrol->value.integer.value[0] = oval & 0xf;
293 if (stereo)
294 ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
295 return 0;
298 static int snd_pmac_burgundy_put_volume_out(struct snd_kcontrol *kcontrol,
299 struct snd_ctl_elem_value *ucontrol)
301 struct snd_pmac *chip = snd_kcontrol_chip(kcontrol);
302 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
303 int stereo = (kcontrol->private_value >> 24) & 1;
304 int oval, val;
306 oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
307 val = ucontrol->value.integer.value[0];
308 if (stereo)
309 val |= ucontrol->value.integer.value[1] << 4;
310 else
311 val |= ucontrol->value.integer.value[0] << 4;
312 val = ~val & 0xff;
313 snd_pmac_burgundy_wcb(chip, addr, val);
314 return val != oval;
317 #define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
318 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
319 .info = snd_pmac_burgundy_info_volume_out,\
320 .get = snd_pmac_burgundy_get_volume_out,\
321 .put = snd_pmac_burgundy_put_volume_out,\
322 .private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
324 static struct snd_kcontrol_new snd_pmac_burgundy_mixers[] __initdata = {
325 BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
326 BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
327 BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
328 BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
329 BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
330 /*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
331 BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
333 static struct snd_kcontrol_new snd_pmac_burgundy_master_sw __initdata =
334 BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
335 static struct snd_kcontrol_new snd_pmac_burgundy_speaker_sw __initdata =
336 BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
339 #ifdef PMAC_SUPPORT_AUTOMUTE
341 * auto-mute stuffs
343 static int snd_pmac_burgundy_detect_headphone(struct snd_pmac *chip)
345 return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
348 static void snd_pmac_burgundy_update_automute(struct snd_pmac *chip, int do_notify)
350 if (chip->auto_mute) {
351 int reg, oreg;
352 reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
353 reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
354 if (snd_pmac_burgundy_detect_headphone(chip))
355 reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
356 else
357 reg |= BURGUNDY_OUTPUT_INTERN;
358 if (do_notify && reg == oreg)
359 return;
360 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
361 if (do_notify) {
362 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
363 &chip->master_sw_ctl->id);
364 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
365 &chip->speaker_sw_ctl->id);
366 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
367 &chip->hp_detect_ctl->id);
371 #endif /* PMAC_SUPPORT_AUTOMUTE */
375 * initialize burgundy
377 int __init snd_pmac_burgundy_init(struct snd_pmac *chip)
379 int i, err;
381 /* Checks to see the chip is alive and kicking */
382 if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
383 printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
384 return 1;
387 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
388 DEF_BURGUNDY_OUTPUTENABLES);
389 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
390 DEF_BURGUNDY_MORE_OUTPUTENABLES);
391 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
392 DEF_BURGUNDY_OUTPUTSELECTS);
394 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
395 DEF_BURGUNDY_INPSEL21);
396 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
397 DEF_BURGUNDY_INPSEL3);
398 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
399 DEF_BURGUNDY_GAINCD);
400 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
401 DEF_BURGUNDY_GAINLINE);
402 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
403 DEF_BURGUNDY_GAINMIC);
404 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
405 DEF_BURGUNDY_GAINMODEM);
407 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
408 DEF_BURGUNDY_ATTENSPEAKER);
409 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
410 DEF_BURGUNDY_ATTENLINEOUT);
411 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
412 DEF_BURGUNDY_ATTENHP);
414 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
415 DEF_BURGUNDY_MASTER_VOLUME);
416 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
417 DEF_BURGUNDY_VOLCD);
418 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
419 DEF_BURGUNDY_VOLLINE);
420 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
421 DEF_BURGUNDY_VOLMIC);
423 if (chip->hp_stat_mask == 0)
424 /* set headphone-jack detection bit */
425 chip->hp_stat_mask = 0x04;
428 * build burgundy mixers
430 strcpy(chip->card->mixername, "PowerMac Burgundy");
432 for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
433 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip))) < 0)
434 return err;
436 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_master_sw, chip);
437 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
438 return err;
439 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_speaker_sw, chip);
440 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
441 return err;
442 #ifdef PMAC_SUPPORT_AUTOMUTE
443 if ((err = snd_pmac_add_automute(chip)) < 0)
444 return err;
446 chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
447 chip->update_automute = snd_pmac_burgundy_update_automute;
448 snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
449 #endif
451 return 0;