1 /*
2 * ALSA driver for ICEnsemble VT1724 (Envy24HT)
3 *
4 * Lowlevel functions for ESI Juli@ cards
5 *
6 * Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
7 * 2008 Pavel Hofman <dustin@seznam.cz>
8 *
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 *
24 */
25
26 #include <asm/io.h>
27 #include <linux/delay.h>
28 #include <linux/interrupt.h>
29 #include <linux/init.h>
30 #include <linux/slab.h>
31 #include <sound/core.h>
32 #include <sound/tlv.h>
33
34 #include "ice1712.h"
35 #include "envy24ht.h"
36 #include "juli.h"
37
38 struct juli_spec {
39 struct ak4114 *ak4114;
40 unsigned int analog:1;
41 };
42
43 /*
44 * chip addresses on I2C bus
45 */
46 #define AK4114_ADDR 0x20 /* S/PDIF receiver */
47 #define AK4358_ADDR 0x22 /* DAC */
48
49 /*
50 * Juli does not use the standard ICE1724 clock scheme. Juli's ice1724 chip is
51 * supplied by external clock provided by Xilinx array and MK73-1 PLL frequency
52 * multiplier. Actual frequency is set by ice1724 GPIOs hooked to the Xilinx.
53 *
54 * The clock circuitry is supplied by the two ice1724 crystals. This
55 * arrangement allows to generate independent clock signal for AK4114's input
56 * rate detection circuit. As a result, Juli, unlike most other
57 * ice1724+ak4114-based cards, detects spdif input rate correctly.
58 * This fact is applied in the driver, allowing to modify PCM stream rate
59 * parameter according to the actual input rate.
60 *
61 * Juli uses the remaining three stereo-channels of its DAC to optionally
62 * monitor analog input, digital input, and digital output. The corresponding
63 * I2S signals are routed by Xilinx, controlled by GPIOs.
64 *
65 * The master mute is implemented using output muting transistors (GPIO) in
66 * combination with smuting the DAC.
67 *
68 * The card itself has no HW master volume control, implemented using the
69 * vmaster control.
70 *
71 * TODO:
72 * researching and fixing the input monitors
73 */
74
75 /*
76 * GPIO pins
77 */
78 #define GPIO_FREQ_MASK (3<<0)
79 #define GPIO_FREQ_32KHZ (0<<0)
80 #define GPIO_FREQ_44KHZ (1<<0)
81 #define GPIO_FREQ_48KHZ (2<<0)
82 #define GPIO_MULTI_MASK (3<<2)
83 #define GPIO_MULTI_4X (0<<2)
84 #define GPIO_MULTI_2X (1<<2)
85 #define GPIO_MULTI_1X (2<<2) /* also external */
86 #define GPIO_MULTI_HALF (3<<2)
87 #define GPIO_INTERNAL_CLOCK (1<<4) /* 0 = external, 1 = internal */
88 #define GPIO_CLOCK_MASK (1<<4)
89 #define GPIO_ANALOG_PRESENT (1<<5) /* RO only: 0 = present */
90 #define GPIO_RXMCLK_SEL (1<<7) /* must be 0 */
91 #define GPIO_AK5385A_CKS0 (1<<8)
92 #define GPIO_AK5385A_DFS1 (1<<9)
93 #define GPIO_AK5385A_DFS0 (1<<10)
94 #define GPIO_DIGOUT_MONITOR (1<<11) /* 1 = active */
95 #define GPIO_DIGIN_MONITOR (1<<12) /* 1 = active */
96 #define GPIO_ANAIN_MONITOR (1<<13) /* 1 = active */
97 #define GPIO_AK5385A_CKS1 (1<<14) /* must be 0 */
98 #define GPIO_MUTE_CONTROL (1<<15) /* output mute, 1 = muted */
99
100 #define GPIO_RATE_MASK (GPIO_FREQ_MASK | GPIO_MULTI_MASK | \
101 GPIO_CLOCK_MASK)
102 #define GPIO_AK5385A_MASK (GPIO_AK5385A_CKS0 | GPIO_AK5385A_DFS0 | \
103 GPIO_AK5385A_DFS1 | GPIO_AK5385A_CKS1)
104
105 #define JULI_PCM_RATE (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | \
106 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
107 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | \
108 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \
109 SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000)
110
111 #define GPIO_RATE_16000 (GPIO_FREQ_32KHZ | GPIO_MULTI_HALF | \
112 GPIO_INTERNAL_CLOCK)
113 #define GPIO_RATE_22050 (GPIO_FREQ_44KHZ | GPIO_MULTI_HALF | \
114 GPIO_INTERNAL_CLOCK)
115 #define GPIO_RATE_24000 (GPIO_FREQ_48KHZ | GPIO_MULTI_HALF | \
116 GPIO_INTERNAL_CLOCK)
117 #define GPIO_RATE_32000 (GPIO_FREQ_32KHZ | GPIO_MULTI_1X | \
118 GPIO_INTERNAL_CLOCK)
119 #define GPIO_RATE_44100 (GPIO_FREQ_44KHZ | GPIO_MULTI_1X | \
120 GPIO_INTERNAL_CLOCK)
121 #define GPIO_RATE_48000 (GPIO_FREQ_48KHZ | GPIO_MULTI_1X | \
122 GPIO_INTERNAL_CLOCK)
123 #define GPIO_RATE_64000 (GPIO_FREQ_32KHZ | GPIO_MULTI_2X | \
124 GPIO_INTERNAL_CLOCK)
125 #define GPIO_RATE_88200 (GPIO_FREQ_44KHZ | GPIO_MULTI_2X | \
126 GPIO_INTERNAL_CLOCK)
127 #define GPIO_RATE_96000 (GPIO_FREQ_48KHZ | GPIO_MULTI_2X | \
128 GPIO_INTERNAL_CLOCK)
129 #define GPIO_RATE_176400 (GPIO_FREQ_44KHZ | GPIO_MULTI_4X | \
130 GPIO_INTERNAL_CLOCK)
131 #define GPIO_RATE_192000 (GPIO_FREQ_48KHZ | GPIO_MULTI_4X | \
132 GPIO_INTERNAL_CLOCK)
133
134 /*
135 * Initial setup of the conversion array GPIO <-> rate
136 */
137 static unsigned int juli_rates[] = {
138 16000, 22050, 24000, 32000,
139 44100, 48000, 64000, 88200,
140 96000, 176400, 192000,
141 };
142
143 static unsigned int gpio_vals[] = {
144 GPIO_RATE_16000, GPIO_RATE_22050, GPIO_RATE_24000, GPIO_RATE_32000,
145 GPIO_RATE_44100, GPIO_RATE_48000, GPIO_RATE_64000, GPIO_RATE_88200,
146 GPIO_RATE_96000, GPIO_RATE_176400, GPIO_RATE_192000,
147 };
148
149 static struct snd_pcm_hw_constraint_list juli_rates_info = {
150 .count = ARRAY_SIZE(juli_rates),
151 .list = juli_rates,
152 .mask = 0,
153 };
154
get_gpio_val(int rate)155 static int get_gpio_val(int rate)
156 {
157 int i;
158 for (i = 0; i < ARRAY_SIZE(juli_rates); i++)
159 if (juli_rates[i] == rate)
160 return gpio_vals[i];
161 return 0;
162 }
163
juli_ak4114_write(void * private_data,unsigned char reg,unsigned char val)164 static void juli_ak4114_write(void *private_data, unsigned char reg,
165 unsigned char val)
166 {
167 snd_vt1724_write_i2c((struct snd_ice1712 *)private_data, AK4114_ADDR,
168 reg, val);
169 }
170
juli_ak4114_read(void * private_data,unsigned char reg)171 static unsigned char juli_ak4114_read(void *private_data, unsigned char reg)
172 {
173 return snd_vt1724_read_i2c((struct snd_ice1712 *)private_data,
174 AK4114_ADDR, reg);
175 }
176
177 /*
178 * If SPDIF capture and slaved to SPDIF-IN, setting runtime rate
179 * to the external rate
180 */
juli_spdif_in_open(struct snd_ice1712 * ice,struct snd_pcm_substream * substream)181 static void juli_spdif_in_open(struct snd_ice1712 *ice,
182 struct snd_pcm_substream *substream)
183 {
184 struct juli_spec *spec = ice->spec;
185 struct snd_pcm_runtime *runtime = substream->runtime;
186 int rate;
187
188 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK ||
189 !ice->is_spdif_master(ice))
190 return;
191 rate = snd_ak4114_external_rate(spec->ak4114);
192 if (rate >= runtime->hw.rate_min && rate <= runtime->hw.rate_max) {
193 runtime->hw.rate_min = rate;
194 runtime->hw.rate_max = rate;
195 }
196 }
197
198 /*
199 * AK4358 section
200 */
201
juli_akm_lock(struct snd_akm4xxx * ak,int chip)202 static void juli_akm_lock(struct snd_akm4xxx *ak, int chip)
203 {
204 }
205
juli_akm_unlock(struct snd_akm4xxx * ak,int chip)206 static void juli_akm_unlock(struct snd_akm4xxx *ak, int chip)
207 {
208 }
209
juli_akm_write(struct snd_akm4xxx * ak,int chip,unsigned char addr,unsigned char data)210 static void juli_akm_write(struct snd_akm4xxx *ak, int chip,
211 unsigned char addr, unsigned char data)
212 {
213 struct snd_ice1712 *ice = ak->private_data[0];
214
215 if (snd_BUG_ON(chip))
216 return;
217 snd_vt1724_write_i2c(ice, AK4358_ADDR, addr, data);
218 }
219
220 /*
221 * change the rate of envy24HT, AK4358, AK5385
222 */
juli_akm_set_rate_val(struct snd_akm4xxx * ak,unsigned int rate)223 static void juli_akm_set_rate_val(struct snd_akm4xxx *ak, unsigned int rate)
224 {
225 unsigned char old, tmp, ak4358_dfs;
226 unsigned int ak5385_pins, old_gpio, new_gpio;
227 struct snd_ice1712 *ice = ak->private_data[0];
228 struct juli_spec *spec = ice->spec;
229
230 if (rate == 0) /* no hint - S/PDIF input is master or the new spdif
231 input rate undetected, simply return */
232 return;
233
234 /* adjust DFS on codecs */
235 if (rate > 96000) {
236 ak4358_dfs = 2;
237 ak5385_pins = GPIO_AK5385A_DFS1 | GPIO_AK5385A_CKS0;
238 } else if (rate > 48000) {
239 ak4358_dfs = 1;
240 ak5385_pins = GPIO_AK5385A_DFS0;
241 } else {
242 ak4358_dfs = 0;
243 ak5385_pins = 0;
244 }
245 /* AK5385 first, since it requires cold reset affecting both codecs */
246 old_gpio = ice->gpio.get_data(ice);
247 new_gpio = (old_gpio & ~GPIO_AK5385A_MASK) | ak5385_pins;
248 /* printk(KERN_DEBUG "JULI - ak5385 set_rate_val: new gpio 0x%x\n",
249 new_gpio); */
250 ice->gpio.set_data(ice, new_gpio);
251
252 /* cold reset */
253 old = inb(ICEMT1724(ice, AC97_CMD));
254 outb(old | VT1724_AC97_COLD, ICEMT1724(ice, AC97_CMD));
255 udelay(1);
256 outb(old & ~VT1724_AC97_COLD, ICEMT1724(ice, AC97_CMD));
257
258 /* AK4358 */
259 /* set new value, reset DFS */
260 tmp = snd_akm4xxx_get(ak, 0, 2);
261 snd_akm4xxx_reset(ak, 1);
262 tmp = snd_akm4xxx_get(ak, 0, 2);
263 tmp &= ~(0x03 << 4);
264 tmp |= ak4358_dfs << 4;
265 snd_akm4xxx_set(ak, 0, 2, tmp);
266 snd_akm4xxx_reset(ak, 0);
267
268 /* reinit ak4114 */
269 snd_ak4114_reinit(spec->ak4114);
270 }
271
272 #define AK_DAC(xname, xch) { .name = xname, .num_channels = xch }
273 #define PCM_VOLUME "PCM Playback Volume"
274 #define MONITOR_AN_IN_VOLUME "Monitor Analog In Volume"
275 #define MONITOR_DIG_IN_VOLUME "Monitor Digital In Volume"
276 #define MONITOR_DIG_OUT_VOLUME "Monitor Digital Out Volume"
277
278 static const struct snd_akm4xxx_dac_channel juli_dac[] = {
279 AK_DAC(PCM_VOLUME, 2),
280 AK_DAC(MONITOR_AN_IN_VOLUME, 2),
281 AK_DAC(MONITOR_DIG_OUT_VOLUME, 2),
282 AK_DAC(MONITOR_DIG_IN_VOLUME, 2),
283 };
284
285
286 static struct snd_akm4xxx akm_juli_dac __devinitdata = {
287 .type = SND_AK4358,
288 .num_dacs = 8, /* DAC1 - analog out
289 DAC2 - analog in monitor
290 DAC3 - digital out monitor
291 DAC4 - digital in monitor
292 */
293 .ops = {
294 .lock = juli_akm_lock,
295 .unlock = juli_akm_unlock,
296 .write = juli_akm_write,
297 .set_rate_val = juli_akm_set_rate_val
298 },
299 .dac_info = juli_dac,
300 };
301
302 #define juli_mute_info snd_ctl_boolean_mono_info
303
juli_mute_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)304 static int juli_mute_get(struct snd_kcontrol *kcontrol,
305 struct snd_ctl_elem_value *ucontrol)
306 {
307 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
308 unsigned int val;
309 val = ice->gpio.get_data(ice) & (unsigned int) kcontrol->private_value;
310 if (kcontrol->private_value == GPIO_MUTE_CONTROL)
311 /* val 0 = signal on */
312 ucontrol->value.integer.value[0] = (val) ? 0 : 1;
313 else
314 /* val 1 = signal on */
315 ucontrol->value.integer.value[0] = (val) ? 1 : 0;
316 return 0;
317 }
318
juli_mute_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)319 static int juli_mute_put(struct snd_kcontrol *kcontrol,
320 struct snd_ctl_elem_value *ucontrol)
321 {
322 struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
323 unsigned int old_gpio, new_gpio;
324 old_gpio = ice->gpio.get_data(ice);
325 if (ucontrol->value.integer.value[0]) {
326 /* unmute */
327 if (kcontrol->private_value == GPIO_MUTE_CONTROL) {
328 /* 0 = signal on */
329 new_gpio = old_gpio & ~GPIO_MUTE_CONTROL;
330 /* un-smuting DAC */
331 snd_akm4xxx_write(ice->akm, 0, 0x01, 0x01);
332 } else
333 /* 1 = signal on */
334 new_gpio = old_gpio |
335 (unsigned int) kcontrol->private_value;
336 } else {
337 /* mute */
338 if (kcontrol->private_value == GPIO_MUTE_CONTROL) {
339 /* 1 = signal off */
340 new_gpio = old_gpio | GPIO_MUTE_CONTROL;
341 /* smuting DAC */
342 snd_akm4xxx_write(ice->akm, 0, 0x01, 0x03);
343 } else
344 /* 0 = signal off */
345 new_gpio = old_gpio &
346 ~((unsigned int) kcontrol->private_value);
347 }
348 /* printk(KERN_DEBUG
349 "JULI - mute/unmute: control_value: 0x%x, old_gpio: 0x%x, "
350 "new_gpio 0x%x\n",
351 (unsigned int)ucontrol->value.integer.value[0], old_gpio,
352 new_gpio); */
353 if (old_gpio != new_gpio) {
354 ice->gpio.set_data(ice, new_gpio);
355 return 1;
356 }
357 /* no change */
358 return 0;
359 }
360
361 static struct snd_kcontrol_new juli_mute_controls[] __devinitdata = {
362 {
363 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
364 .name = "Master Playback Switch",
365 .info = juli_mute_info,
366 .get = juli_mute_get,
367 .put = juli_mute_put,
368 .private_value = GPIO_MUTE_CONTROL,
369 },
370 /* Although the following functionality respects the succint NDA'd
371 * documentation from the card manufacturer, and the same way of
372 * operation is coded in OSS Juli driver, only Digital Out monitor
373 * seems to work. Surprisingly, Analog input monitor outputs Digital
374 * output data. The two are independent, as enabling both doubles
375 * volume of the monitor sound.
376 *
377 * Checking traces on the board suggests the functionality described
378 * by the manufacturer is correct - I2S from ADC and AK4114
379 * go to ICE as well as to Xilinx, I2S inputs of DAC2,3,4 (the monitor
380 * inputs) are fed from Xilinx.
381 *
382 * I even checked traces on board and coded a support in driver for
383 * an alternative possibility - the unused I2S ICE output channels
384 * switched to HW-IN/SPDIF-IN and providing the monitoring signal to
385 * the DAC - to no avail. The I2S outputs seem to be unconnected.
386 *
387 * The windows driver supports the monitoring correctly.
388 */
389 {
390 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
391 .name = "Monitor Analog In Switch",
392 .info = juli_mute_info,
393 .get = juli_mute_get,
394 .put = juli_mute_put,
395 .private_value = GPIO_ANAIN_MONITOR,
396 },
397 {
398 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
399 .name = "Monitor Digital Out Switch",
400 .info = juli_mute_info,
401 .get = juli_mute_get,
402 .put = juli_mute_put,
403 .private_value = GPIO_DIGOUT_MONITOR,
404 },
405 {
406 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
407 .name = "Monitor Digital In Switch",
408 .info = juli_mute_info,
409 .get = juli_mute_get,
410 .put = juli_mute_put,
411 .private_value = GPIO_DIGIN_MONITOR,
412 },
413 };
414
415 static char *slave_vols[] __devinitdata = {
416 PCM_VOLUME,
417 MONITOR_AN_IN_VOLUME,
418 MONITOR_DIG_IN_VOLUME,
419 MONITOR_DIG_OUT_VOLUME,
420 NULL
421 };
422
423 static __devinitdata
424 DECLARE_TLV_DB_SCALE(juli_master_db_scale, -6350, 50, 1);
425
ctl_find(struct snd_card * card,const char * name)426 static struct snd_kcontrol __devinit *ctl_find(struct snd_card *card,
427 const char *name)
428 {
429 struct snd_ctl_elem_id sid;
430 memset(&sid, 0, sizeof(sid));
431 /* FIXME: strcpy is bad. */
432 strcpy(sid.name, name);
433 sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
434 return snd_ctl_find_id(card, &sid);
435 }
436
add_slaves(struct snd_card * card,struct snd_kcontrol * master,char ** list)437 static void __devinit add_slaves(struct snd_card *card,
438 struct snd_kcontrol *master, char **list)
439 {
440 for (; *list; list++) {
441 struct snd_kcontrol *slave = ctl_find(card, *list);
442 /* printk(KERN_DEBUG "add_slaves - %s\n", *list); */
443 if (slave) {
444 /* printk(KERN_DEBUG "slave %s found\n", *list); */
445 snd_ctl_add_slave(master, slave);
446 }
447 }
448 }
449
juli_add_controls(struct snd_ice1712 * ice)450 static int __devinit juli_add_controls(struct snd_ice1712 *ice)
451 {
452 struct juli_spec *spec = ice->spec;
453 int err;
454 unsigned int i;
455 struct snd_kcontrol *vmaster;
456
457 err = snd_ice1712_akm4xxx_build_controls(ice);
458 if (err < 0)
459 return err;
460
461 for (i = 0; i < ARRAY_SIZE(juli_mute_controls); i++) {
462 err = snd_ctl_add(ice->card,
463 snd_ctl_new1(&juli_mute_controls[i], ice));
464 if (err < 0)
465 return err;
466 }
467 /* Create virtual master control */
468 vmaster = snd_ctl_make_virtual_master("Master Playback Volume",
469 juli_master_db_scale);
470 if (!vmaster)
471 return -ENOMEM;
472 add_slaves(ice->card, vmaster, slave_vols);
473 err = snd_ctl_add(ice->card, vmaster);
474 if (err < 0)
475 return err;
476
477 /* only capture SPDIF over AK4114 */
478 err = snd_ak4114_build(spec->ak4114, NULL,
479 ice->pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream);
480 if (err < 0)
481 return err;
482 return 0;
483 }
484
485 /*
486 * suspend/resume
487 * */
488
489 #ifdef CONFIG_PM
juli_resume(struct snd_ice1712 * ice)490 static int juli_resume(struct snd_ice1712 *ice)
491 {
492 struct snd_akm4xxx *ak = ice->akm;
493 struct juli_spec *spec = ice->spec;
494 /* akm4358 un-reset, un-mute */
495 snd_akm4xxx_reset(ak, 0);
496 /* reinit ak4114 */
497 snd_ak4114_reinit(spec->ak4114);
498 return 0;
499 }
500
juli_suspend(struct snd_ice1712 * ice)501 static int juli_suspend(struct snd_ice1712 *ice)
502 {
503 struct snd_akm4xxx *ak = ice->akm;
504 /* akm4358 reset and soft-mute */
505 snd_akm4xxx_reset(ak, 1);
506 return 0;
507 }
508 #endif
509
510 /*
511 * initialize the chip
512 */
513
juli_is_spdif_master(struct snd_ice1712 * ice)514 static inline int juli_is_spdif_master(struct snd_ice1712 *ice)
515 {
516 return (ice->gpio.get_data(ice) & GPIO_INTERNAL_CLOCK) ? 0 : 1;
517 }
518
juli_get_rate(struct snd_ice1712 * ice)519 static unsigned int juli_get_rate(struct snd_ice1712 *ice)
520 {
521 int i;
522 unsigned char result;
523
524 result = ice->gpio.get_data(ice) & GPIO_RATE_MASK;
525 for (i = 0; i < ARRAY_SIZE(gpio_vals); i++)
526 if (gpio_vals[i] == result)
527 return juli_rates[i];
528 return 0;
529 }
530
531 /* setting new rate */
juli_set_rate(struct snd_ice1712 * ice,unsigned int rate)532 static void juli_set_rate(struct snd_ice1712 *ice, unsigned int rate)
533 {
534 unsigned int old, new;
535 unsigned char val;
536
537 old = ice->gpio.get_data(ice);
538 new = (old & ~GPIO_RATE_MASK) | get_gpio_val(rate);
539 /* printk(KERN_DEBUG "JULI - set_rate: old %x, new %x\n",
540 old & GPIO_RATE_MASK,
541 new & GPIO_RATE_MASK); */
542
543 ice->gpio.set_data(ice, new);
544 /* switching to external clock - supplied by external circuits */
545 val = inb(ICEMT1724(ice, RATE));
546 outb(val | VT1724_SPDIF_MASTER, ICEMT1724(ice, RATE));
547 }
548
juli_set_mclk(struct snd_ice1712 * ice,unsigned int rate)549 static inline unsigned char juli_set_mclk(struct snd_ice1712 *ice,
550 unsigned int rate)
551 {
552 /* no change in master clock */
553 return 0;
554 }
555
556 /* setting clock to external - SPDIF */
juli_set_spdif_clock(struct snd_ice1712 * ice,int type)557 static int juli_set_spdif_clock(struct snd_ice1712 *ice, int type)
558 {
559 unsigned int old;
560 old = ice->gpio.get_data(ice);
561 /* external clock (= 0), multiply 1x, 48kHz */
562 ice->gpio.set_data(ice, (old & ~GPIO_RATE_MASK) | GPIO_MULTI_1X |
563 GPIO_FREQ_48KHZ);
564 return 0;
565 }
566
567 /* Called when ak4114 detects change in the input SPDIF stream */
juli_ak4114_change(struct ak4114 * ak4114,unsigned char c0,unsigned char c1)568 static void juli_ak4114_change(struct ak4114 *ak4114, unsigned char c0,
569 unsigned char c1)
570 {
571 struct snd_ice1712 *ice = ak4114->change_callback_private;
572 int rate;
573 if (ice->is_spdif_master(ice) && c1) {
574 /* only for SPDIF master mode, rate was changed */
575 rate = snd_ak4114_external_rate(ak4114);
576 /* printk(KERN_DEBUG "ak4114 - input rate changed to %d\n",
577 rate); */
578 juli_akm_set_rate_val(ice->akm, rate);
579 }
580 }
581
juli_init(struct snd_ice1712 * ice)582 static int __devinit juli_init(struct snd_ice1712 *ice)
583 {
584 static const unsigned char ak4114_init_vals[] = {
585 /* AK4117_REG_PWRDN */ AK4114_RST | AK4114_PWN |
586 AK4114_OCKS0 | AK4114_OCKS1,
587 /* AK4114_REQ_FORMAT */ AK4114_DIF_I24I2S,
588 /* AK4114_REG_IO0 */ AK4114_TX1E,
589 /* AK4114_REG_IO1 */ AK4114_EFH_1024 | AK4114_DIT |
590 AK4114_IPS(1),
591 /* AK4114_REG_INT0_MASK */ 0,
592 /* AK4114_REG_INT1_MASK */ 0
593 };
594 static const unsigned char ak4114_init_txcsb[] = {
595 0x41, 0x02, 0x2c, 0x00, 0x00
596 };
597 int err;
598 struct juli_spec *spec;
599 struct snd_akm4xxx *ak;
600
601 spec = kzalloc(sizeof(*spec), GFP_KERNEL);
602 if (!spec)
603 return -ENOMEM;
604 ice->spec = spec;
605
606 err = snd_ak4114_create(ice->card,
607 juli_ak4114_read,
608 juli_ak4114_write,
609 ak4114_init_vals, ak4114_init_txcsb,
610 ice, &spec->ak4114);
611 if (err < 0)
612 return err;
613 /* callback for codecs rate setting */
614 spec->ak4114->change_callback = juli_ak4114_change;
615 spec->ak4114->change_callback_private = ice;
616 /* AK4114 in Juli can detect external rate correctly */
617 spec->ak4114->check_flags = 0;
618
619 #if 0
620 /*
621 * it seems that the analog doughter board detection does not work reliably, so
622 * force the analog flag; it should be very rare (if ever) to come at Juli@
623 * used without the analog daughter board
624 */
625 spec->analog = (ice->gpio.get_data(ice) & GPIO_ANALOG_PRESENT) ? 0 : 1;
626 #else
627 spec->analog = 1;
628 #endif
629
630 if (spec->analog) {
631 printk(KERN_INFO "juli@: analog I/O detected\n");
632 ice->num_total_dacs = 2;
633 ice->num_total_adcs = 2;
634
635 ice->akm = kzalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
636 ak = ice->akm;
637 if (!ak)
638 return -ENOMEM;
639 ice->akm_codecs = 1;
640 err = snd_ice1712_akm4xxx_init(ak, &akm_juli_dac, NULL, ice);
641 if (err < 0)
642 return err;
643 }
644
645 /* juli is clocked by Xilinx array */
646 ice->hw_rates = &juli_rates_info;
647 ice->is_spdif_master = juli_is_spdif_master;
648 ice->get_rate = juli_get_rate;
649 ice->set_rate = juli_set_rate;
650 ice->set_mclk = juli_set_mclk;
651 ice->set_spdif_clock = juli_set_spdif_clock;
652
653 ice->spdif.ops.open = juli_spdif_in_open;
654
655 #ifdef CONFIG_PM
656 ice->pm_resume = juli_resume;
657 ice->pm_suspend = juli_suspend;
658 ice->pm_suspend_enabled = 1;
659 #endif
660
661 return 0;
662 }
663
664
665 /*
666 * Juli@ boards don't provide the EEPROM data except for the vendor IDs.
667 * hence the driver needs to sets up it properly.
668 */
669
670 static unsigned char juli_eeprom[] __devinitdata = {
671 [ICE_EEP2_SYSCONF] = 0x2b, /* clock 512, mpu401, 1xADC, 1xDACs,
672 SPDIF in */
673 [ICE_EEP2_ACLINK] = 0x80, /* I2S */
674 [ICE_EEP2_I2S] = 0xf8, /* vol, 96k, 24bit, 192k */
675 [ICE_EEP2_SPDIF] = 0xc3, /* out-en, out-int, spdif-in */
676 [ICE_EEP2_GPIO_DIR] = 0x9f, /* 5, 6:inputs; 7, 4-0 outputs*/
677 [ICE_EEP2_GPIO_DIR1] = 0xff,
678 [ICE_EEP2_GPIO_DIR2] = 0x7f,
679 [ICE_EEP2_GPIO_MASK] = 0x60, /* 5, 6: locked; 7, 4-0 writable */
680 [ICE_EEP2_GPIO_MASK1] = 0x00, /* 0-7 writable */
681 [ICE_EEP2_GPIO_MASK2] = 0x7f,
682 [ICE_EEP2_GPIO_STATE] = GPIO_FREQ_48KHZ | GPIO_MULTI_1X |
683 GPIO_INTERNAL_CLOCK, /* internal clock, multiple 1x, 48kHz*/
684 [ICE_EEP2_GPIO_STATE1] = 0x00, /* unmuted */
685 [ICE_EEP2_GPIO_STATE2] = 0x00,
686 };
687
688 /* entry point */
689 struct snd_ice1712_card_info snd_vt1724_juli_cards[] __devinitdata = {
690 {
691 .subvendor = VT1724_SUBDEVICE_JULI,
692 .name = "ESI Juli@",
693 .model = "juli",
694 .chip_init = juli_init,
695 .build_controls = juli_add_controls,
696 .eeprom_size = sizeof(juli_eeprom),
697 .eeprom_data = juli_eeprom,
698 },
699 { } /* terminator */
700 };
701