blob: edbc0484e22acd68e4562235fdd25757e92b8092 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * PMac Burgundy lowlevel functions
3 *
4 * Copyright (c) by Takashi Iwai <tiwai@suse.de>
5 * code based on dmasound.c.
6 *
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.
11 *
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.
16 *
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
20 */
21
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"
30
31
32/* Waits for busy flag to clear */
Jesper Juhl77933d72005-07-27 11:46:09 -070033static inline void
Linus Torvalds1da177e2005-04-16 15:20:36 -070034snd_pmac_burgundy_busy_wait(pmac_t *chip)
35{
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");
41}
42
Jesper Juhl77933d72005-07-27 11:46:09 -070043static inline void
Linus Torvalds1da177e2005-04-16 15:20:36 -070044snd_pmac_burgundy_extend_wait(pmac_t *chip)
45{
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");
57}
58
59static void
60snd_pmac_burgundy_wcw(pmac_t *chip, unsigned addr, unsigned val)
61{
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);
70}
71
72static unsigned
73snd_pmac_burgundy_rcw(pmac_t *chip, unsigned addr)
74{
75 unsigned val = 0;
76 unsigned long flags;
77
78 spin_lock_irqsave(&chip->reg_lock, flags);
79
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;
84
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;
89
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;
94
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;
99
100 spin_unlock_irqrestore(&chip->reg_lock, flags);
101
102 return val;
103}
104
105static void
106snd_pmac_burgundy_wcb(pmac_t *chip, unsigned int addr, unsigned int val)
107{
108 out_le32(&chip->awacs->codec_ctrl, addr + 0x300000 + (val & 0xff));
109 snd_pmac_burgundy_busy_wait(chip);
110}
111
112static unsigned
113snd_pmac_burgundy_rcb(pmac_t *chip, unsigned int addr)
114{
115 unsigned val = 0;
116 unsigned long flags;
117
118 spin_lock_irqsave(&chip->reg_lock, flags);
119
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;
124
125 spin_unlock_irqrestore(&chip->reg_lock, flags);
126
127 return val;
128}
129
130/*
131 * Burgundy volume: 0 - 100, stereo
132 */
133static void
134snd_pmac_burgundy_write_volume(pmac_t *chip, unsigned int address, long *volume, int shift)
135{
136 int hardvolume, lvolume, rvolume;
137
138 lvolume = volume[0] ? volume[0] + BURGUNDY_VOLUME_OFFSET : 0;
139 rvolume = volume[1] ? volume[1] + BURGUNDY_VOLUME_OFFSET : 0;
140
141 hardvolume = lvolume + (rvolume << shift);
142 if (shift == 8)
143 hardvolume |= hardvolume << 16;
144
145 snd_pmac_burgundy_wcw(chip, address, hardvolume);
146}
147
148static void
149snd_pmac_burgundy_read_volume(pmac_t *chip, unsigned int address, long *volume, int shift)
150{
151 int wvolume;
152
153 wvolume = snd_pmac_burgundy_rcw(chip, address);
154
155 volume[0] = wvolume & 0xff;
156 if (volume[0] >= BURGUNDY_VOLUME_OFFSET)
157 volume[0] -= BURGUNDY_VOLUME_OFFSET;
158 else
159 volume[0] = 0;
160 volume[1] = (wvolume >> shift) & 0xff;
161 if (volume[1] >= BURGUNDY_VOLUME_OFFSET)
162 volume[1] -= BURGUNDY_VOLUME_OFFSET;
163 else
164 volume[1] = 0;
165}
166
167
168/*
169 */
170
171#define BASE2ADDR(base) ((base) << 12)
172#define ADDR2BASE(addr) ((addr) >> 12)
173
174static int snd_pmac_burgundy_info_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
175{
176 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
177 uinfo->count = 2;
178 uinfo->value.integer.min = 0;
179 uinfo->value.integer.max = 100;
180 return 0;
181}
182
183static int snd_pmac_burgundy_get_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
184{
185 pmac_t *chip = snd_kcontrol_chip(kcontrol);
186 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
187 int shift = (kcontrol->private_value >> 8) & 0xff;
188 snd_pmac_burgundy_read_volume(chip, addr, ucontrol->value.integer.value, shift);
189 return 0;
190}
191
192static int snd_pmac_burgundy_put_volume(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
193{
194 pmac_t *chip = snd_kcontrol_chip(kcontrol);
195 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
196 int shift = (kcontrol->private_value >> 8) & 0xff;
197 long nvoices[2];
198
199 snd_pmac_burgundy_write_volume(chip, addr, ucontrol->value.integer.value, shift);
200 snd_pmac_burgundy_read_volume(chip, addr, nvoices, shift);
201 return (nvoices[0] != ucontrol->value.integer.value[0] ||
202 nvoices[1] != ucontrol->value.integer.value[1]);
203}
204
205#define BURGUNDY_VOLUME(xname, xindex, addr, shift) \
206{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
207 .info = snd_pmac_burgundy_info_volume,\
208 .get = snd_pmac_burgundy_get_volume,\
209 .put = snd_pmac_burgundy_put_volume,\
210 .private_value = ((ADDR2BASE(addr) & 0xff) | ((shift) << 8)) }
211
212/* lineout/speaker */
213
214static int snd_pmac_burgundy_info_switch_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
215{
216 int stereo = (kcontrol->private_value >> 24) & 1;
217 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
218 uinfo->count = stereo + 1;
219 uinfo->value.integer.min = 0;
220 uinfo->value.integer.max = 1;
221 return 0;
222}
223
224static int snd_pmac_burgundy_get_switch_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
225{
226 pmac_t *chip = snd_kcontrol_chip(kcontrol);
227 int lmask = kcontrol->private_value & 0xff;
228 int rmask = (kcontrol->private_value >> 8) & 0xff;
229 int stereo = (kcontrol->private_value >> 24) & 1;
230 int val = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
231 ucontrol->value.integer.value[0] = (val & lmask) ? 1 : 0;
232 if (stereo)
233 ucontrol->value.integer.value[1] = (val & rmask) ? 1 : 0;
234 return 0;
235}
236
237static int snd_pmac_burgundy_put_switch_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
238{
239 pmac_t *chip = snd_kcontrol_chip(kcontrol);
240 int lmask = kcontrol->private_value & 0xff;
241 int rmask = (kcontrol->private_value >> 8) & 0xff;
242 int stereo = (kcontrol->private_value >> 24) & 1;
243 int val, oval;
244 oval = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
245 val = oval & ~(lmask | rmask);
246 if (ucontrol->value.integer.value[0])
247 val |= lmask;
248 if (stereo && ucontrol->value.integer.value[1])
249 val |= rmask;
250 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, val);
251 return val != oval;
252}
253
254#define BURGUNDY_OUTPUT_SWITCH(xname, xindex, lmask, rmask, stereo) \
255{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
256 .info = snd_pmac_burgundy_info_switch_out,\
257 .get = snd_pmac_burgundy_get_switch_out,\
258 .put = snd_pmac_burgundy_put_switch_out,\
259 .private_value = ((lmask) | ((rmask) << 8) | ((stereo) << 24)) }
260
261/* line/speaker output volume */
262static int snd_pmac_burgundy_info_volume_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo)
263{
264 int stereo = (kcontrol->private_value >> 24) & 1;
265 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
266 uinfo->count = stereo + 1;
267 uinfo->value.integer.min = 0;
268 uinfo->value.integer.max = 15;
269 return 0;
270}
271
272static int snd_pmac_burgundy_get_volume_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
273{
274 pmac_t *chip = snd_kcontrol_chip(kcontrol);
275 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
276 int stereo = (kcontrol->private_value >> 24) & 1;
277 int oval;
278
279 oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
280 ucontrol->value.integer.value[0] = oval & 0xf;
281 if (stereo)
282 ucontrol->value.integer.value[1] = (oval >> 4) & 0xf;
283 return 0;
284}
285
286static int snd_pmac_burgundy_put_volume_out(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol)
287{
288 pmac_t *chip = snd_kcontrol_chip(kcontrol);
289 unsigned int addr = BASE2ADDR(kcontrol->private_value & 0xff);
290 int stereo = (kcontrol->private_value >> 24) & 1;
291 int oval, val;
292
293 oval = ~snd_pmac_burgundy_rcb(chip, addr) & 0xff;
294 val = ucontrol->value.integer.value[0];
295 if (stereo)
296 val |= ucontrol->value.integer.value[1] << 4;
297 else
298 val |= ucontrol->value.integer.value[0] << 4;
299 val = ~val & 0xff;
300 snd_pmac_burgundy_wcb(chip, addr, val);
301 return val != oval;
302}
303
304#define BURGUNDY_OUTPUT_VOLUME(xname, xindex, addr, stereo) \
305{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex,\
306 .info = snd_pmac_burgundy_info_volume_out,\
307 .get = snd_pmac_burgundy_get_volume_out,\
308 .put = snd_pmac_burgundy_put_volume_out,\
309 .private_value = (ADDR2BASE(addr) | ((stereo) << 24)) }
310
311static snd_kcontrol_new_t snd_pmac_burgundy_mixers[] __initdata = {
312 BURGUNDY_VOLUME("Master Playback Volume", 0, MASK_ADDR_BURGUNDY_MASTER_VOLUME, 8),
313 BURGUNDY_VOLUME("Line Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLLINE, 16),
314 BURGUNDY_VOLUME("CD Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLCD, 16),
315 BURGUNDY_VOLUME("Mic Playback Volume", 0, MASK_ADDR_BURGUNDY_VOLMIC, 16),
316 BURGUNDY_OUTPUT_VOLUME("PC Speaker Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENHP, 0),
317 /*BURGUNDY_OUTPUT_VOLUME("PCM Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENLINEOUT, 1),*/
318 BURGUNDY_OUTPUT_VOLUME("Headphone Playback Volume", 0, MASK_ADDR_BURGUNDY_ATTENSPEAKER, 1),
319};
320static snd_kcontrol_new_t snd_pmac_burgundy_master_sw __initdata =
321BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
322static snd_kcontrol_new_t snd_pmac_burgundy_speaker_sw __initdata =
323BURGUNDY_OUTPUT_SWITCH("PC Speaker Playback Switch", 0, BURGUNDY_OUTPUT_INTERN, 0, 0);
324
325
326#ifdef PMAC_SUPPORT_AUTOMUTE
327/*
328 * auto-mute stuffs
329 */
330static int snd_pmac_burgundy_detect_headphone(pmac_t *chip)
331{
332 return (in_le32(&chip->awacs->codec_stat) & chip->hp_stat_mask) ? 1 : 0;
333}
334
335static void snd_pmac_burgundy_update_automute(pmac_t *chip, int do_notify)
336{
337 if (chip->auto_mute) {
338 int reg, oreg;
339 reg = oreg = snd_pmac_burgundy_rcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES);
340 reg &= ~(BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT | BURGUNDY_OUTPUT_INTERN);
341 if (snd_pmac_burgundy_detect_headphone(chip))
342 reg |= BURGUNDY_OUTPUT_LEFT | BURGUNDY_OUTPUT_RIGHT;
343 else
344 reg |= BURGUNDY_OUTPUT_INTERN;
345 if (do_notify && reg == oreg)
346 return;
347 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, reg);
348 if (do_notify) {
349 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
350 &chip->master_sw_ctl->id);
351 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
352 &chip->speaker_sw_ctl->id);
353 snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
354 &chip->hp_detect_ctl->id);
355 }
356 }
357}
358#endif /* PMAC_SUPPORT_AUTOMUTE */
359
360
361/*
362 * initialize burgundy
363 */
364int __init snd_pmac_burgundy_init(pmac_t *chip)
365{
366 int i, err;
367
368 /* Checks to see the chip is alive and kicking */
369 if ((in_le32(&chip->awacs->codec_ctrl) & MASK_ERRCODE) == 0xf0000) {
370 printk(KERN_WARNING "pmac burgundy: disabled by MacOS :-(\n");
371 return 1;
372 }
373
374 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_OUTPUTENABLES,
375 DEF_BURGUNDY_OUTPUTENABLES);
376 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES,
377 DEF_BURGUNDY_MORE_OUTPUTENABLES);
378 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_OUTPUTSELECTS,
379 DEF_BURGUNDY_OUTPUTSELECTS);
380
381 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL21,
382 DEF_BURGUNDY_INPSEL21);
383 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_INPSEL3,
384 DEF_BURGUNDY_INPSEL3);
385 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINCD,
386 DEF_BURGUNDY_GAINCD);
387 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINLINE,
388 DEF_BURGUNDY_GAINLINE);
389 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMIC,
390 DEF_BURGUNDY_GAINMIC);
391 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_GAINMODEM,
392 DEF_BURGUNDY_GAINMODEM);
393
394 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENSPEAKER,
395 DEF_BURGUNDY_ATTENSPEAKER);
396 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENLINEOUT,
397 DEF_BURGUNDY_ATTENLINEOUT);
398 snd_pmac_burgundy_wcb(chip, MASK_ADDR_BURGUNDY_ATTENHP,
399 DEF_BURGUNDY_ATTENHP);
400
401 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_MASTER_VOLUME,
402 DEF_BURGUNDY_MASTER_VOLUME);
403 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLCD,
404 DEF_BURGUNDY_VOLCD);
405 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLLINE,
406 DEF_BURGUNDY_VOLLINE);
407 snd_pmac_burgundy_wcw(chip, MASK_ADDR_BURGUNDY_VOLMIC,
408 DEF_BURGUNDY_VOLMIC);
409
410 if (chip->hp_stat_mask == 0)
411 /* set headphone-jack detection bit */
412 chip->hp_stat_mask = 0x04;
413
414 /*
415 * build burgundy mixers
416 */
417 strcpy(chip->card->mixername, "PowerMac Burgundy");
418
419 for (i = 0; i < ARRAY_SIZE(snd_pmac_burgundy_mixers); i++) {
420 if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_burgundy_mixers[i], chip))) < 0)
421 return err;
422 }
423 chip->master_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_master_sw, chip);
424 if ((err = snd_ctl_add(chip->card, chip->master_sw_ctl)) < 0)
425 return err;
426 chip->speaker_sw_ctl = snd_ctl_new1(&snd_pmac_burgundy_speaker_sw, chip);
427 if ((err = snd_ctl_add(chip->card, chip->speaker_sw_ctl)) < 0)
428 return err;
429#ifdef PMAC_SUPPORT_AUTOMUTE
430 if ((err = snd_pmac_add_automute(chip)) < 0)
431 return err;
432
433 chip->detect_headphone = snd_pmac_burgundy_detect_headphone;
434 chip->update_automute = snd_pmac_burgundy_update_automute;
435 snd_pmac_burgundy_update_automute(chip, 0); /* update the status only */
436#endif
437
438 return 0;
439}