[PATCH] clean up inline static vs static inline
[linux-2.6.git] / sound / ppc / burgundy.c
1 /*
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 */
33 static inline void
34 snd_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
43 static inline void
44 snd_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
59 static void
60 snd_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
72 static unsigned
73 snd_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
105 static void
106 snd_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
112 static unsigned
113 snd_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  */
133 static void
134 snd_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
148 static void
149 snd_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
174 static 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
183 static 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
192 static 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
214 static 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
224 static 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
237 static 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 */
262 static 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
272 static 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
286 static 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
311 static 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 };      
320 static snd_kcontrol_new_t snd_pmac_burgundy_master_sw __initdata = 
321 BURGUNDY_OUTPUT_SWITCH("Headphone Playback Switch", 0, BURGUNDY_OUTPUT_LEFT, BURGUNDY_OUTPUT_RIGHT, 1);
322 static snd_kcontrol_new_t snd_pmac_burgundy_speaker_sw __initdata = 
323 BURGUNDY_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  */
330 static 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
335 static 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  */
364 int __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 }