Merge branch 'topic/fix/hda' into for-linus
[linux-2.6] / sound / pci / ice1712 / revo.c
1 /*
2  *   ALSA driver for ICEnsemble ICE1712 (Envy24)
3  *
4  *   Lowlevel functions for M-Audio Audiophile 192, Revolution 7.1 and 5.1
5  *
6  *      Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
7  *
8  *   This program is free software; you can redistribute it and/or modify
9  *   it under the terms of the GNU General Public License as published by
10  *   the Free Software Foundation; either version 2 of the License, or
11  *   (at your option) any later version.
12  *
13  *   This program is distributed in the hope that it will be useful,
14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *   GNU General Public License for more details.
17  *
18  *   You should have received a copy of the GNU General Public License
19  *   along with this program; if not, write to the Free Software
20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  *
22  */      
23
24 #include <asm/io.h>
25 #include <linux/delay.h>
26 #include <linux/interrupt.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <sound/core.h>
30
31 #include "ice1712.h"
32 #include "envy24ht.h"
33 #include "revo.h"
34
35 /* a non-standard I2C device for revo51 */
36 struct revo51_spec {
37         struct snd_i2c_device *dev;
38         struct snd_pt2258 *pt2258;
39 };
40
41 static void revo_i2s_mclk_changed(struct snd_ice1712 *ice)
42 {
43         /* assert PRST# to converters; MT05 bit 7 */
44         outb(inb(ICEMT1724(ice, AC97_CMD)) | 0x80, ICEMT1724(ice, AC97_CMD));
45         mdelay(5);
46         /* deassert PRST# */
47         outb(inb(ICEMT1724(ice, AC97_CMD)) & ~0x80, ICEMT1724(ice, AC97_CMD));
48 }
49
50 /*
51  * change the rate of Envy24HT, AK4355 and AK4381
52  */
53 static void revo_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
54 {
55         unsigned char old, tmp, dfs;
56         int reg, shift;
57
58         if (rate == 0)  /* no hint - S/PDIF input is master, simply return */
59                 return;
60
61         /* adjust DFS on codecs */
62         if (rate > 96000)
63                 dfs = 2;
64         else if (rate > 48000)
65                 dfs = 1;
66         else
67                 dfs = 0;
68
69         if (ak->type == SND_AK4355 || ak->type == SND_AK4358) {
70                 reg = 2;
71                 shift = 4;
72         } else {
73                 reg = 1;
74                 shift = 3;
75         }
76         tmp = snd_akm4xxx_get(ak, 0, reg);
77         old = (tmp >> shift) & 0x03;
78         if (old == dfs)
79                 return;
80
81         /* reset DFS */
82         snd_akm4xxx_reset(ak, 1);
83         tmp = snd_akm4xxx_get(ak, 0, reg);
84         tmp &= ~(0x03 << shift);
85         tmp |= dfs << shift;
86         /* snd_akm4xxx_write(ak, 0, reg, tmp); */
87         snd_akm4xxx_set(ak, 0, reg, tmp); /* value is written in reset(0) */
88         snd_akm4xxx_reset(ak, 0);
89 }
90
91 /*
92  * I2C access to the PT2258 volume controller on GPIO 6/7 (Revolution 5.1)
93  */
94
95 static void revo_i2c_start(struct snd_i2c_bus *bus)
96 {
97         struct snd_ice1712 *ice = bus->private_data;
98         snd_ice1712_save_gpio_status(ice);
99 }
100
101 static void revo_i2c_stop(struct snd_i2c_bus *bus)
102 {
103         struct snd_ice1712 *ice = bus->private_data;
104         snd_ice1712_restore_gpio_status(ice);
105 }
106
107 static void revo_i2c_direction(struct snd_i2c_bus *bus, int clock, int data)
108 {
109         struct snd_ice1712 *ice = bus->private_data;
110         unsigned int mask, val;
111
112         val = 0;
113         if (clock)
114                 val |= VT1724_REVO_I2C_CLOCK;   /* write SCL */
115         if (data)
116                 val |= VT1724_REVO_I2C_DATA;    /* write SDA */
117         mask = VT1724_REVO_I2C_CLOCK | VT1724_REVO_I2C_DATA;
118         ice->gpio.direction &= ~mask;
119         ice->gpio.direction |= val;
120         snd_ice1712_gpio_set_dir(ice, ice->gpio.direction);
121         snd_ice1712_gpio_set_mask(ice, ~mask);
122 }
123
124 static void revo_i2c_setlines(struct snd_i2c_bus *bus, int clk, int data)
125 {
126         struct snd_ice1712 *ice = bus->private_data;
127         unsigned int val = 0;
128
129         if (clk)
130                 val |= VT1724_REVO_I2C_CLOCK;
131         if (data)
132                 val |= VT1724_REVO_I2C_DATA;
133         snd_ice1712_gpio_write_bits(ice,
134                                     VT1724_REVO_I2C_DATA |
135                                     VT1724_REVO_I2C_CLOCK, val);
136         udelay(5);
137 }
138
139 static int revo_i2c_getdata(struct snd_i2c_bus *bus, int ack)
140 {
141         struct snd_ice1712 *ice = bus->private_data;
142         int bit;
143
144         if (ack)
145                 udelay(5);
146         bit = snd_ice1712_gpio_read_bits(ice, VT1724_REVO_I2C_DATA) ? 1 : 0;
147         return bit;
148 }
149
150 static struct snd_i2c_bit_ops revo51_bit_ops = {
151         .start = revo_i2c_start,
152         .stop = revo_i2c_stop,
153         .direction = revo_i2c_direction,
154         .setlines = revo_i2c_setlines,
155         .getdata = revo_i2c_getdata,
156 };
157
158 static int revo51_i2c_init(struct snd_ice1712 *ice,
159                            struct snd_pt2258 *pt)
160 {
161         struct revo51_spec *spec;
162         int err;
163
164         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
165         if (!spec)
166                 return -ENOMEM;
167         ice->spec = spec;
168
169         /* create the I2C bus */
170         err = snd_i2c_bus_create(ice->card, "ICE1724 GPIO6", NULL, &ice->i2c);
171         if (err < 0)
172                 return err;
173
174         ice->i2c->private_data = ice;
175         ice->i2c->hw_ops.bit = &revo51_bit_ops;
176
177         /* create the I2C device */
178         err = snd_i2c_device_create(ice->i2c, "PT2258", 0x40, &spec->dev);
179         if (err < 0)
180                 return err;
181
182         pt->card = ice->card;
183         pt->i2c_bus = ice->i2c;
184         pt->i2c_dev = spec->dev;
185         spec->pt2258 = pt;
186
187         snd_pt2258_reset(pt);
188
189         return 0;
190 }
191
192 /*
193  * initialize the chips on M-Audio Revolution cards
194  */
195
196 #define AK_DAC(xname,xch) { .name = xname, .num_channels = xch }
197
198 static const struct snd_akm4xxx_dac_channel revo71_front[] = {
199         {
200                 .name = "PCM Playback Volume",
201                 .num_channels = 2,
202                 /* front channels DAC supports muting */
203                 .switch_name = "PCM Playback Switch",
204         },
205 };
206
207 static const struct snd_akm4xxx_dac_channel revo71_surround[] = {
208         AK_DAC("PCM Center Playback Volume", 1),
209         AK_DAC("PCM LFE Playback Volume", 1),
210         AK_DAC("PCM Side Playback Volume", 2),
211         AK_DAC("PCM Rear Playback Volume", 2),
212 };
213
214 static const struct snd_akm4xxx_dac_channel revo51_dac[] = {
215         AK_DAC("PCM Playback Volume", 2),
216         AK_DAC("PCM Center Playback Volume", 1),
217         AK_DAC("PCM LFE Playback Volume", 1),
218         AK_DAC("PCM Rear Playback Volume", 2),
219         AK_DAC("PCM Headphone Volume", 2),
220 };
221
222 static const char *revo51_adc_input_names[] = {
223         "Mic",
224         "Line",
225         "CD",
226         NULL
227 };
228
229 static const struct snd_akm4xxx_adc_channel revo51_adc[] = {
230         {
231                 .name = "PCM Capture Volume",
232                 .switch_name = "PCM Capture Switch",
233                 .num_channels = 2,
234                 .input_names = revo51_adc_input_names
235         },
236 };
237
238 static struct snd_akm4xxx akm_revo_front __devinitdata = {
239         .type = SND_AK4381,
240         .num_dacs = 2,
241         .ops = {
242                 .set_rate_val = revo_set_rate_val
243         },
244         .dac_info = revo71_front,
245 };
246
247 static struct snd_ak4xxx_private akm_revo_front_priv __devinitdata = {
248         .caddr = 1,
249         .cif = 0,
250         .data_mask = VT1724_REVO_CDOUT,
251         .clk_mask = VT1724_REVO_CCLK,
252         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
253         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS2,
254         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
255         .add_flags = VT1724_REVO_CCLK, /* high at init */
256         .mask_flags = 0,
257 };
258
259 static struct snd_akm4xxx akm_revo_surround __devinitdata = {
260         .type = SND_AK4355,
261         .idx_offset = 1,
262         .num_dacs = 6,
263         .ops = {
264                 .set_rate_val = revo_set_rate_val
265         },
266         .dac_info = revo71_surround,
267 };
268
269 static struct snd_ak4xxx_private akm_revo_surround_priv __devinitdata = {
270         .caddr = 3,
271         .cif = 0,
272         .data_mask = VT1724_REVO_CDOUT,
273         .clk_mask = VT1724_REVO_CCLK,
274         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
275         .cs_addr = VT1724_REVO_CS0 | VT1724_REVO_CS1,
276         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1 | VT1724_REVO_CS2,
277         .add_flags = VT1724_REVO_CCLK, /* high at init */
278         .mask_flags = 0,
279 };
280
281 static struct snd_akm4xxx akm_revo51 __devinitdata = {
282         .type = SND_AK4358,
283         .num_dacs = 8,
284         .ops = {
285                 .set_rate_val = revo_set_rate_val
286         },
287         .dac_info = revo51_dac,
288 };
289
290 static struct snd_ak4xxx_private akm_revo51_priv __devinitdata = {
291         .caddr = 2,
292         .cif = 0,
293         .data_mask = VT1724_REVO_CDOUT,
294         .clk_mask = VT1724_REVO_CCLK,
295         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
296         .cs_addr = VT1724_REVO_CS1,
297         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
298         .add_flags = VT1724_REVO_CCLK, /* high at init */
299         .mask_flags = 0,
300 };
301
302 static struct snd_akm4xxx akm_revo51_adc __devinitdata = {
303         .type = SND_AK5365,
304         .num_adcs = 2,
305         .adc_info = revo51_adc,
306 };
307
308 static struct snd_ak4xxx_private akm_revo51_adc_priv __devinitdata = {
309         .caddr = 2,
310         .cif = 0,
311         .data_mask = VT1724_REVO_CDOUT,
312         .clk_mask = VT1724_REVO_CCLK,
313         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
314         .cs_addr = VT1724_REVO_CS0,
315         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
316         .add_flags = VT1724_REVO_CCLK, /* high at init */
317         .mask_flags = 0,
318 };
319
320 static struct snd_pt2258 ptc_revo51_volume;
321
322 /* AK4358 for AP192 DAC, AK5385A for ADC */
323 static void ap192_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
324 {
325         struct snd_ice1712 *ice = ak->private_data[0];
326         int dfs;
327
328         revo_set_rate_val(ak, rate);
329
330         /* reset CKS */
331         snd_ice1712_gpio_write_bits(ice, 1 << 8, rate > 96000 ? 1 << 8 : 0);
332         /* reset DFS pins of AK5385A for ADC, too */
333         if (rate > 96000)
334                 dfs = 2;
335         else if (rate > 48000)
336                 dfs = 1;
337         else
338                 dfs = 0;
339         snd_ice1712_gpio_write_bits(ice, 3 << 9, dfs << 9);
340         /* reset ADC */
341         snd_ice1712_gpio_write_bits(ice, 1 << 11, 0);
342         snd_ice1712_gpio_write_bits(ice, 1 << 11, 1 << 11);
343 }
344
345 static const struct snd_akm4xxx_dac_channel ap192_dac[] = {
346         AK_DAC("PCM Playback Volume", 2)
347 };
348
349 static struct snd_akm4xxx akm_ap192 __devinitdata = {
350         .type = SND_AK4358,
351         .num_dacs = 2,
352         .ops = {
353                 .set_rate_val = ap192_set_rate_val
354         },
355         .dac_info = ap192_dac,
356 };
357
358 static struct snd_ak4xxx_private akm_ap192_priv __devinitdata = {
359         .caddr = 2,
360         .cif = 0,
361         .data_mask = VT1724_REVO_CDOUT,
362         .clk_mask = VT1724_REVO_CCLK,
363         .cs_mask = VT1724_REVO_CS0 | VT1724_REVO_CS1,
364         .cs_addr = VT1724_REVO_CS1,
365         .cs_none = VT1724_REVO_CS0 | VT1724_REVO_CS1,
366         .add_flags = VT1724_REVO_CCLK, /* high at init */
367         .mask_flags = 0,
368 };
369
370 /* AK4114 support on Audiophile 192 */
371 /* CDTO (pin 32) -- GPIO2 pin 52
372  * CDTI (pin 33) -- GPIO3 pin 53 (shared with AK4358)
373  * CCLK (pin 34) -- GPIO1 pin 51 (shared with AK4358)
374  * CSN  (pin 35) -- GPIO7 pin 59
375  */
376 #define AK4114_ADDR     0x02
377
378 static void write_data(struct snd_ice1712 *ice, unsigned int gpio,
379                        unsigned int data, int idx)
380 {
381         for (; idx >= 0; idx--) {
382                 /* drop clock */
383                 gpio &= ~VT1724_REVO_CCLK;
384                 snd_ice1712_gpio_write(ice, gpio);
385                 udelay(1);
386                 /* set data */
387                 if (data & (1 << idx))
388                         gpio |= VT1724_REVO_CDOUT;
389                 else
390                         gpio &= ~VT1724_REVO_CDOUT;
391                 snd_ice1712_gpio_write(ice, gpio);
392                 udelay(1);
393                 /* raise clock */
394                 gpio |= VT1724_REVO_CCLK;
395                 snd_ice1712_gpio_write(ice, gpio);
396                 udelay(1);
397         }
398 }
399
400 static unsigned char read_data(struct snd_ice1712 *ice, unsigned int gpio,
401                                int idx)
402 {
403         unsigned char data = 0;
404
405         for (; idx >= 0; idx--) {
406                 /* drop clock */
407                 gpio &= ~VT1724_REVO_CCLK;
408                 snd_ice1712_gpio_write(ice, gpio);
409                 udelay(1);
410                 /* read data */
411                 if (snd_ice1712_gpio_read(ice) & VT1724_REVO_CDIN)
412                         data |= (1 << idx);
413                 udelay(1);
414                 /* raise clock */
415                 gpio |= VT1724_REVO_CCLK;
416                 snd_ice1712_gpio_write(ice, gpio);
417                 udelay(1);
418         }
419         return data;
420 }
421
422 static unsigned int ap192_4wire_start(struct snd_ice1712 *ice)
423 {
424         unsigned int tmp;
425
426         snd_ice1712_save_gpio_status(ice);
427         tmp = snd_ice1712_gpio_read(ice);
428         tmp |= VT1724_REVO_CCLK; /* high at init */
429         tmp |= VT1724_REVO_CS0;
430         tmp &= ~VT1724_REVO_CS1;
431         snd_ice1712_gpio_write(ice, tmp);
432         udelay(1);
433         return tmp;
434 }
435
436 static void ap192_4wire_finish(struct snd_ice1712 *ice, unsigned int tmp)
437 {
438         tmp |= VT1724_REVO_CS1;
439         tmp |= VT1724_REVO_CS0;
440         snd_ice1712_gpio_write(ice, tmp);
441         udelay(1);
442         snd_ice1712_restore_gpio_status(ice);
443 }
444
445 static void ap192_ak4114_write(void *private_data, unsigned char addr,
446                                unsigned char data)
447 {
448         struct snd_ice1712 *ice = private_data;
449         unsigned int tmp, addrdata;
450
451         tmp = ap192_4wire_start(ice);
452         addrdata = (AK4114_ADDR << 6) | 0x20 | (addr & 0x1f);
453         addrdata = (addrdata << 8) | data;
454         write_data(ice, tmp, addrdata, 15);
455         ap192_4wire_finish(ice, tmp);
456 }
457
458 static unsigned char ap192_ak4114_read(void *private_data, unsigned char addr)
459 {
460         struct snd_ice1712 *ice = private_data;
461         unsigned int tmp;
462         unsigned char data;
463
464         tmp = ap192_4wire_start(ice);
465         write_data(ice, tmp, (AK4114_ADDR << 6) | (addr & 0x1f), 7);
466         data = read_data(ice, tmp, 7);
467         ap192_4wire_finish(ice, tmp);
468         return data;
469 }
470
471 static int __devinit ap192_ak4114_init(struct snd_ice1712 *ice)
472 {
473         static const unsigned char ak4114_init_vals[] = {
474                 AK4114_RST | AK4114_PWN | AK4114_OCKS0 | AK4114_OCKS1,
475                 AK4114_DIF_I24I2S,
476                 AK4114_TX1E,
477                 AK4114_EFH_1024 | AK4114_DIT | AK4114_IPS(1),
478                 0,
479                 0
480         };
481         static const unsigned char ak4114_init_txcsb[] = {
482                 0x41, 0x02, 0x2c, 0x00, 0x00
483         };
484         struct ak4114 *ak;
485         int err;
486
487         err = snd_ak4114_create(ice->card,
488                                  ap192_ak4114_read,
489                                  ap192_ak4114_write,
490                                  ak4114_init_vals, ak4114_init_txcsb,
491                                  ice, &ak);
492         /* AK4114 in Revo cannot detect external rate correctly.
493          * No reason to stop capture stream due to incorrect checks */
494         ak->check_flags = AK4114_CHECK_NO_RATE;
495
496         return 0; /* error ignored; it's no fatal error */
497 }
498
499 static int __devinit revo_init(struct snd_ice1712 *ice)
500 {
501         struct snd_akm4xxx *ak;
502         int err;
503
504         /* determine I2C, DACs and ADCs */
505         switch (ice->eeprom.subvendor) {
506         case VT1724_SUBDEVICE_REVOLUTION71:
507                 ice->num_total_dacs = 8;
508                 ice->num_total_adcs = 2;
509                 ice->gpio.i2s_mclk_changed = revo_i2s_mclk_changed;
510                 break;
511         case VT1724_SUBDEVICE_REVOLUTION51:
512                 ice->num_total_dacs = 8;
513                 ice->num_total_adcs = 2;
514                 break;
515         case VT1724_SUBDEVICE_AUDIOPHILE192:
516                 ice->num_total_dacs = 2;
517                 ice->num_total_adcs = 2;
518                 break;
519         default:
520                 snd_BUG();
521                 return -EINVAL;
522         }
523
524         /* second stage of initialization, analog parts and others */
525         ak = ice->akm = kcalloc(2, sizeof(struct snd_akm4xxx), GFP_KERNEL);
526         if (! ak)
527                 return -ENOMEM;
528         switch (ice->eeprom.subvendor) {
529         case VT1724_SUBDEVICE_REVOLUTION71:
530                 ice->akm_codecs = 2;
531                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo_front,
532                                                 &akm_revo_front_priv, ice);
533                 if (err < 0)
534                         return err;
535                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo_surround,
536                                                 &akm_revo_surround_priv, ice);
537                 if (err < 0)
538                         return err;
539                 /* unmute all codecs */
540                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
541                                                 VT1724_REVO_MUTE);
542                 break;
543         case VT1724_SUBDEVICE_REVOLUTION51:
544                 ice->akm_codecs = 2;
545                 err = snd_ice1712_akm4xxx_init(ak, &akm_revo51,
546                                                &akm_revo51_priv, ice);
547                 if (err < 0)
548                         return err;
549                 err = snd_ice1712_akm4xxx_init(ak+1, &akm_revo51_adc,
550                                                &akm_revo51_adc_priv, ice);
551                 if (err < 0)
552                         return err;
553                 err = revo51_i2c_init(ice, &ptc_revo51_volume);
554                 if (err < 0)
555                         return err;
556                 /* unmute all codecs */
557                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
558                                             VT1724_REVO_MUTE);
559                 break;
560         case VT1724_SUBDEVICE_AUDIOPHILE192:
561                 ice->akm_codecs = 1;
562                 err = snd_ice1712_akm4xxx_init(ak, &akm_ap192, &akm_ap192_priv,
563                                                ice);
564                 if (err < 0)
565                         return err;
566                 
567                 /* unmute all codecs */
568                 snd_ice1712_gpio_write_bits(ice, VT1724_REVO_MUTE,
569                                             VT1724_REVO_MUTE);
570                 break;
571         }
572
573         return 0;
574 }
575
576
577 static int __devinit revo_add_controls(struct snd_ice1712 *ice)
578 {
579         struct revo51_spec *spec;
580         int err;
581
582         switch (ice->eeprom.subvendor) {
583         case VT1724_SUBDEVICE_REVOLUTION71:
584                 err = snd_ice1712_akm4xxx_build_controls(ice);
585                 if (err < 0)
586                         return err;
587                 break;
588         case VT1724_SUBDEVICE_REVOLUTION51:
589                 err = snd_ice1712_akm4xxx_build_controls(ice);
590                 if (err < 0)
591                         return err;
592                 spec = ice->spec;
593                 err = snd_pt2258_build_controls(spec->pt2258);
594                 if (err < 0)
595                         return err;
596                 break;
597         case VT1724_SUBDEVICE_AUDIOPHILE192:
598                 err = snd_ice1712_akm4xxx_build_controls(ice);
599                 if (err < 0)
600                         return err;
601                 err = ap192_ak4114_init(ice);
602                 if (err < 0)
603                         return err;
604                 break;
605         }
606         return 0;
607 }
608
609 /* entry point */
610 struct snd_ice1712_card_info snd_vt1724_revo_cards[] __devinitdata = {
611         {
612                 .subvendor = VT1724_SUBDEVICE_REVOLUTION71,
613                 .name = "M Audio Revolution-7.1",
614                 .model = "revo71",
615                 .chip_init = revo_init,
616                 .build_controls = revo_add_controls,
617         },
618         {
619                 .subvendor = VT1724_SUBDEVICE_REVOLUTION51,
620                 .name = "M Audio Revolution-5.1",
621                 .model = "revo51",
622                 .chip_init = revo_init,
623                 .build_controls = revo_add_controls,
624         },
625         {
626                 .subvendor = VT1724_SUBDEVICE_AUDIOPHILE192,
627                 .name = "M Audio Audiophile192",
628                 .model = "ap192",
629                 .chip_init = revo_init,
630                 .build_controls = revo_add_controls,
631         },
632         { } /* terminator */
633 };