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xonar_dg.c
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1 /*
2  * card driver for the Xonar DG/DGX
3  *
4  * Copyright (c) Clemens Ladisch <[email protected]>
5  *
6  *
7  * This driver is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License, version 2.
9  *
10  * This driver is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this driver; if not, see <http://www.gnu.org/licenses/>.
17  */
18 
19 /*
20  * Xonar DG/DGX
21  * ------------
22  *
23  * CMI8788:
24  *
25  * SPI 0 -> CS4245
26  *
27  * I²S 1 -> CS4245
28  * I²S 2 -> CS4361 (center/LFE)
29  * I²S 3 -> CS4361 (surround)
30  * I²S 4 -> CS4361 (front)
31  *
32  * GPIO 3 <- ?
33  * GPIO 4 <- headphone detect
34  * GPIO 5 -> route input jack to line-in (0) or mic-in (1)
35  * GPIO 6 -> route input jack to line-in (0) or mic-in (1)
36  * GPIO 7 -> enable rear headphone amp
37  * GPIO 8 -> enable output to speakers
38  *
39  * CS4245:
40  *
41  * input 1 <- aux
42  * input 2 <- front mic
43  * input 4 <- line/mic
44  * DAC out -> headphones
45  * aux out -> front panel headphones
46  */
47 
48 #include <linux/pci.h>
49 #include <linux/delay.h>
50 #include <sound/control.h>
51 #include <sound/core.h>
52 #include <sound/info.h>
53 #include <sound/pcm.h>
54 #include <sound/tlv.h>
55 #include "oxygen.h"
56 #include "xonar_dg.h"
57 #include "cs4245.h"
58 
59 #define GPIO_MAGIC 0x0008
60 #define GPIO_HP_DETECT 0x0010
61 #define GPIO_INPUT_ROUTE 0x0060
62 #define GPIO_HP_REAR 0x0080
63 #define GPIO_OUTPUT_ENABLE 0x0100
64 
65 struct dg {
66  unsigned int output_sel;
67  s8 input_vol[4][2];
68  unsigned int input_sel;
69  u8 hp_vol_att;
70  u8 cs4245_regs[0x11];
71 };
72 
73 static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
74 {
75  struct dg *data = chip->model_data;
76 
77  oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
78  OXYGEN_SPI_DATA_LENGTH_3 |
79  OXYGEN_SPI_CLOCK_1280 |
80  (0 << OXYGEN_SPI_CODEC_SHIFT) |
81  OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
82  CS4245_SPI_ADDRESS |
83  CS4245_SPI_WRITE |
84  (reg << 8) | value);
85  data->cs4245_regs[reg] = value;
86 }
87 
88 static void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
89 {
90  struct dg *data = chip->model_data;
91 
92  if (value != data->cs4245_regs[reg])
93  cs4245_write(chip, reg, value);
94 }
95 
96 static void cs4245_registers_init(struct oxygen *chip)
97 {
98  struct dg *data = chip->model_data;
99 
100  cs4245_write(chip, CS4245_POWER_CTRL, CS4245_PDN);
101  cs4245_write(chip, CS4245_DAC_CTRL_1,
102  data->cs4245_regs[CS4245_DAC_CTRL_1]);
103  cs4245_write(chip, CS4245_ADC_CTRL,
104  data->cs4245_regs[CS4245_ADC_CTRL]);
105  cs4245_write(chip, CS4245_SIGNAL_SEL,
106  data->cs4245_regs[CS4245_SIGNAL_SEL]);
107  cs4245_write(chip, CS4245_PGA_B_CTRL,
108  data->cs4245_regs[CS4245_PGA_B_CTRL]);
109  cs4245_write(chip, CS4245_PGA_A_CTRL,
110  data->cs4245_regs[CS4245_PGA_A_CTRL]);
111  cs4245_write(chip, CS4245_ANALOG_IN,
112  data->cs4245_regs[CS4245_ANALOG_IN]);
113  cs4245_write(chip, CS4245_DAC_A_CTRL,
114  data->cs4245_regs[CS4245_DAC_A_CTRL]);
115  cs4245_write(chip, CS4245_DAC_B_CTRL,
116  data->cs4245_regs[CS4245_DAC_B_CTRL]);
117  cs4245_write(chip, CS4245_DAC_CTRL_2,
118  CS4245_DAC_SOFT | CS4245_DAC_ZERO | CS4245_INVERT_DAC);
119  cs4245_write(chip, CS4245_INT_MASK, 0);
120  cs4245_write(chip, CS4245_POWER_CTRL, 0);
121 }
122 
123 static void cs4245_init(struct oxygen *chip)
124 {
125  struct dg *data = chip->model_data;
126 
127  data->cs4245_regs[CS4245_DAC_CTRL_1] =
128  CS4245_DAC_FM_SINGLE | CS4245_DAC_DIF_LJUST;
129  data->cs4245_regs[CS4245_ADC_CTRL] =
130  CS4245_ADC_FM_SINGLE | CS4245_ADC_DIF_LJUST;
131  data->cs4245_regs[CS4245_SIGNAL_SEL] =
132  CS4245_A_OUT_SEL_HIZ | CS4245_ASYNCH;
133  data->cs4245_regs[CS4245_PGA_B_CTRL] = 0;
134  data->cs4245_regs[CS4245_PGA_A_CTRL] = 0;
135  data->cs4245_regs[CS4245_ANALOG_IN] =
136  CS4245_PGA_SOFT | CS4245_PGA_ZERO | CS4245_SEL_INPUT_4;
137  data->cs4245_regs[CS4245_DAC_A_CTRL] = 0;
138  data->cs4245_regs[CS4245_DAC_B_CTRL] = 0;
139  cs4245_registers_init(chip);
140  snd_component_add(chip->card, "CS4245");
141 }
142 
143 static void dg_output_enable(struct oxygen *chip)
144 {
145  msleep(2500);
146  oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
147 }
148 
149 static void dg_init(struct oxygen *chip)
150 {
151  struct dg *data = chip->model_data;
152 
153  data->output_sel = 0;
154  data->input_sel = 3;
155  data->hp_vol_att = 2 * 16;
156 
157  cs4245_init(chip);
158 
159  oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
160  GPIO_MAGIC | GPIO_HP_DETECT);
161  oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
162  GPIO_INPUT_ROUTE | GPIO_HP_REAR | GPIO_OUTPUT_ENABLE);
163  oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
164  GPIO_INPUT_ROUTE | GPIO_HP_REAR);
165  dg_output_enable(chip);
166 }
167 
168 static void dg_cleanup(struct oxygen *chip)
169 {
170  oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
171 }
172 
173 static void dg_suspend(struct oxygen *chip)
174 {
175  dg_cleanup(chip);
176 }
177 
178 static void dg_resume(struct oxygen *chip)
179 {
180  cs4245_registers_init(chip);
181  dg_output_enable(chip);
182 }
183 
184 static void set_cs4245_dac_params(struct oxygen *chip,
185  struct snd_pcm_hw_params *params)
186 {
187  struct dg *data = chip->model_data;
188  u8 value;
189 
190  value = data->cs4245_regs[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
191  if (params_rate(params) <= 50000)
192  value |= CS4245_DAC_FM_SINGLE;
193  else if (params_rate(params) <= 100000)
194  value |= CS4245_DAC_FM_DOUBLE;
195  else
196  value |= CS4245_DAC_FM_QUAD;
197  cs4245_write_cached(chip, CS4245_DAC_CTRL_1, value);
198 }
199 
200 static void set_cs4245_adc_params(struct oxygen *chip,
201  struct snd_pcm_hw_params *params)
202 {
203  struct dg *data = chip->model_data;
204  u8 value;
205 
206  value = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_ADC_FM_MASK;
207  if (params_rate(params) <= 50000)
208  value |= CS4245_ADC_FM_SINGLE;
209  else if (params_rate(params) <= 100000)
210  value |= CS4245_ADC_FM_DOUBLE;
211  else
212  value |= CS4245_ADC_FM_QUAD;
213  cs4245_write_cached(chip, CS4245_ADC_CTRL, value);
214 }
215 
216 static inline unsigned int shift_bits(unsigned int value,
217  unsigned int shift_from,
218  unsigned int shift_to,
219  unsigned int mask)
220 {
221  if (shift_from < shift_to)
222  return (value << (shift_to - shift_from)) & mask;
223  else
224  return (value >> (shift_from - shift_to)) & mask;
225 }
226 
227 static unsigned int adjust_dg_dac_routing(struct oxygen *chip,
228  unsigned int play_routing)
229 {
230  return (play_routing & OXYGEN_PLAY_DAC0_SOURCE_MASK) |
231  shift_bits(play_routing,
232  OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
233  OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
234  OXYGEN_PLAY_DAC1_SOURCE_MASK) |
235  shift_bits(play_routing,
236  OXYGEN_PLAY_DAC1_SOURCE_SHIFT,
237  OXYGEN_PLAY_DAC2_SOURCE_SHIFT,
238  OXYGEN_PLAY_DAC2_SOURCE_MASK) |
239  shift_bits(play_routing,
240  OXYGEN_PLAY_DAC0_SOURCE_SHIFT,
241  OXYGEN_PLAY_DAC3_SOURCE_SHIFT,
242  OXYGEN_PLAY_DAC3_SOURCE_MASK);
243 }
244 
245 static int output_switch_info(struct snd_kcontrol *ctl,
246  struct snd_ctl_elem_info *info)
247 {
248  static const char *const names[3] = {
249  "Speakers", "Headphones", "FP Headphones"
250  };
251 
252  return snd_ctl_enum_info(info, 1, 3, names);
253 }
254 
255 static int output_switch_get(struct snd_kcontrol *ctl,
256  struct snd_ctl_elem_value *value)
257 {
258  struct oxygen *chip = ctl->private_data;
259  struct dg *data = chip->model_data;
260 
261  mutex_lock(&chip->mutex);
262  value->value.enumerated.item[0] = data->output_sel;
263  mutex_unlock(&chip->mutex);
264  return 0;
265 }
266 
267 static int output_switch_put(struct snd_kcontrol *ctl,
268  struct snd_ctl_elem_value *value)
269 {
270  struct oxygen *chip = ctl->private_data;
271  struct dg *data = chip->model_data;
272  u8 reg;
273  int changed;
274 
275  if (value->value.enumerated.item[0] > 2)
276  return -EINVAL;
277 
278  mutex_lock(&chip->mutex);
279  changed = value->value.enumerated.item[0] != data->output_sel;
280  if (changed) {
281  data->output_sel = value->value.enumerated.item[0];
282 
283  reg = data->cs4245_regs[CS4245_SIGNAL_SEL] &
284  ~CS4245_A_OUT_SEL_MASK;
285  reg |= data->output_sel == 2 ?
286  CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
287  cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);
288 
289  cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
290  data->output_sel ? data->hp_vol_att : 0);
291  cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
292  data->output_sel ? data->hp_vol_att : 0);
293 
294  oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
295  data->output_sel == 1 ? GPIO_HP_REAR : 0,
296  GPIO_HP_REAR);
297  }
298  mutex_unlock(&chip->mutex);
299  return changed;
300 }
301 
302 static int hp_volume_offset_info(struct snd_kcontrol *ctl,
303  struct snd_ctl_elem_info *info)
304 {
305  static const char *const names[3] = {
306  "< 64 ohms", "64-150 ohms", "150-300 ohms"
307  };
308 
309  return snd_ctl_enum_info(info, 1, 3, names);
310 }
311 
312 static int hp_volume_offset_get(struct snd_kcontrol *ctl,
313  struct snd_ctl_elem_value *value)
314 {
315  struct oxygen *chip = ctl->private_data;
316  struct dg *data = chip->model_data;
317 
318  mutex_lock(&chip->mutex);
319  if (data->hp_vol_att > 2 * 7)
320  value->value.enumerated.item[0] = 0;
321  else if (data->hp_vol_att > 0)
322  value->value.enumerated.item[0] = 1;
323  else
324  value->value.enumerated.item[0] = 2;
325  mutex_unlock(&chip->mutex);
326  return 0;
327 }
328 
329 static int hp_volume_offset_put(struct snd_kcontrol *ctl,
330  struct snd_ctl_elem_value *value)
331 {
332  static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
333  struct oxygen *chip = ctl->private_data;
334  struct dg *data = chip->model_data;
335  s8 att;
336  int changed;
337 
338  if (value->value.enumerated.item[0] > 2)
339  return -EINVAL;
340  att = atts[value->value.enumerated.item[0]];
341  mutex_lock(&chip->mutex);
342  changed = att != data->hp_vol_att;
343  if (changed) {
344  data->hp_vol_att = att;
345  if (data->output_sel) {
346  cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
347  cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
348  }
349  }
350  mutex_unlock(&chip->mutex);
351  return changed;
352 }
353 
354 static int input_vol_info(struct snd_kcontrol *ctl,
355  struct snd_ctl_elem_info *info)
356 {
357  info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
358  info->count = 2;
359  info->value.integer.min = 2 * -12;
360  info->value.integer.max = 2 * 12;
361  return 0;
362 }
363 
364 static int input_vol_get(struct snd_kcontrol *ctl,
365  struct snd_ctl_elem_value *value)
366 {
367  struct oxygen *chip = ctl->private_data;
368  struct dg *data = chip->model_data;
369  unsigned int idx = ctl->private_value;
370 
371  mutex_lock(&chip->mutex);
372  value->value.integer.value[0] = data->input_vol[idx][0];
373  value->value.integer.value[1] = data->input_vol[idx][1];
374  mutex_unlock(&chip->mutex);
375  return 0;
376 }
377 
378 static int input_vol_put(struct snd_kcontrol *ctl,
379  struct snd_ctl_elem_value *value)
380 {
381  struct oxygen *chip = ctl->private_data;
382  struct dg *data = chip->model_data;
383  unsigned int idx = ctl->private_value;
384  int changed = 0;
385 
386  if (value->value.integer.value[0] < 2 * -12 ||
387  value->value.integer.value[0] > 2 * 12 ||
388  value->value.integer.value[1] < 2 * -12 ||
389  value->value.integer.value[1] > 2 * 12)
390  return -EINVAL;
391  mutex_lock(&chip->mutex);
392  changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
393  data->input_vol[idx][1] != value->value.integer.value[1];
394  if (changed) {
395  data->input_vol[idx][0] = value->value.integer.value[0];
396  data->input_vol[idx][1] = value->value.integer.value[1];
397  if (idx == data->input_sel) {
398  cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
399  data->input_vol[idx][0]);
400  cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
401  data->input_vol[idx][1]);
402  }
403  }
404  mutex_unlock(&chip->mutex);
405  return changed;
406 }
407 
408 static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);
409 
410 static int input_sel_info(struct snd_kcontrol *ctl,
411  struct snd_ctl_elem_info *info)
412 {
413  static const char *const names[4] = {
414  "Mic", "Aux", "Front Mic", "Line"
415  };
416 
417  return snd_ctl_enum_info(info, 1, 4, names);
418 }
419 
420 static int input_sel_get(struct snd_kcontrol *ctl,
421  struct snd_ctl_elem_value *value)
422 {
423  struct oxygen *chip = ctl->private_data;
424  struct dg *data = chip->model_data;
425 
426  mutex_lock(&chip->mutex);
427  value->value.enumerated.item[0] = data->input_sel;
428  mutex_unlock(&chip->mutex);
429  return 0;
430 }
431 
432 static int input_sel_put(struct snd_kcontrol *ctl,
433  struct snd_ctl_elem_value *value)
434 {
435  static const u8 sel_values[4] = {
436  CS4245_SEL_MIC,
437  CS4245_SEL_INPUT_1,
438  CS4245_SEL_INPUT_2,
439  CS4245_SEL_INPUT_4
440  };
441  struct oxygen *chip = ctl->private_data;
442  struct dg *data = chip->model_data;
443  int changed;
444 
445  if (value->value.enumerated.item[0] > 3)
446  return -EINVAL;
447 
448  mutex_lock(&chip->mutex);
449  changed = value->value.enumerated.item[0] != data->input_sel;
450  if (changed) {
451  data->input_sel = value->value.enumerated.item[0];
452 
453  cs4245_write(chip, CS4245_ANALOG_IN,
454  (data->cs4245_regs[CS4245_ANALOG_IN] &
455  ~CS4245_SEL_MASK) |
456  sel_values[data->input_sel]);
457 
458  cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
459  data->input_vol[data->input_sel][0]);
460  cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
461  data->input_vol[data->input_sel][1]);
462 
463  oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
464  data->input_sel ? 0 : GPIO_INPUT_ROUTE,
465  GPIO_INPUT_ROUTE);
466  }
467  mutex_unlock(&chip->mutex);
468  return changed;
469 }
470 
471 static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
472 {
473  static const char *const names[2] = { "Active", "Frozen" };
474 
475  return snd_ctl_enum_info(info, 1, 2, names);
476 }
477 
478 static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
479 {
480  struct oxygen *chip = ctl->private_data;
481  struct dg *data = chip->model_data;
482 
483  value->value.enumerated.item[0] =
484  !!(data->cs4245_regs[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
485  return 0;
486 }
487 
488 static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
489 {
490  struct oxygen *chip = ctl->private_data;
491  struct dg *data = chip->model_data;
492  u8 reg;
493  int changed;
494 
495  mutex_lock(&chip->mutex);
496  reg = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
497  if (value->value.enumerated.item[0])
498  reg |= CS4245_HPF_FREEZE;
499  changed = reg != data->cs4245_regs[CS4245_ADC_CTRL];
500  if (changed)
501  cs4245_write(chip, CS4245_ADC_CTRL, reg);
502  mutex_unlock(&chip->mutex);
503  return changed;
504 }
505 
506 #define INPUT_VOLUME(xname, index) { \
507  .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
508  .name = xname, \
509  .info = input_vol_info, \
510  .get = input_vol_get, \
511  .put = input_vol_put, \
512  .tlv = { .p = cs4245_pga_db_scale }, \
513  .private_value = index, \
514 }
515 static const struct snd_kcontrol_new dg_controls[] = {
516  {
517  .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
518  .name = "Analog Output Playback Enum",
519  .info = output_switch_info,
520  .get = output_switch_get,
521  .put = output_switch_put,
522  },
523  {
524  .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
525  .name = "Headphones Impedance Playback Enum",
526  .info = hp_volume_offset_info,
527  .get = hp_volume_offset_get,
528  .put = hp_volume_offset_put,
529  },
530  INPUT_VOLUME("Mic Capture Volume", 0),
531  INPUT_VOLUME("Aux Capture Volume", 1),
532  INPUT_VOLUME("Front Mic Capture Volume", 2),
533  INPUT_VOLUME("Line Capture Volume", 3),
534  {
535  .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
536  .name = "Capture Source",
537  .info = input_sel_info,
538  .get = input_sel_get,
539  .put = input_sel_put,
540  },
541  {
542  .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
543  .name = "ADC High-pass Filter Capture Enum",
544  .info = hpf_info,
545  .get = hpf_get,
546  .put = hpf_put,
547  },
548 };
549 
550 static int dg_control_filter(struct snd_kcontrol_new *template)
551 {
552  if (!strncmp(template->name, "Master Playback ", 16))
553  return 1;
554  return 0;
555 }
556 
557 static int dg_mixer_init(struct oxygen *chip)
558 {
559  unsigned int i;
560  int err;
561 
562  for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
563  err = snd_ctl_add(chip->card,
564  snd_ctl_new1(&dg_controls[i], chip));
565  if (err < 0)
566  return err;
567  }
568  return 0;
569 }
570 
571 static void dump_cs4245_registers(struct oxygen *chip,
572  struct snd_info_buffer *buffer)
573 {
574  struct dg *data = chip->model_data;
575  unsigned int i;
576 
577  snd_iprintf(buffer, "\nCS4245:");
578  for (i = 1; i <= 0x10; ++i)
579  snd_iprintf(buffer, " %02x", data->cs4245_regs[i]);
580  snd_iprintf(buffer, "\n");
581 }
582 
583 struct oxygen_model model_xonar_dg = {
584  .longname = "C-Media Oxygen HD Audio",
585  .chip = "CMI8786",
586  .init = dg_init,
587  .control_filter = dg_control_filter,
588  .mixer_init = dg_mixer_init,
589  .cleanup = dg_cleanup,
590  .suspend = dg_suspend,
591  .resume = dg_resume,
592  .set_dac_params = set_cs4245_dac_params,
593  .set_adc_params = set_cs4245_adc_params,
594  .adjust_dac_routing = adjust_dg_dac_routing,
595  .dump_registers = dump_cs4245_registers,
596  .model_data_size = sizeof(struct dg),
597  .device_config = PLAYBACK_0_TO_I2S |
598  PLAYBACK_1_TO_SPDIF |
599  CAPTURE_0_FROM_I2S_2 |
600  CAPTURE_1_FROM_SPDIF,
601  .dac_channels_pcm = 6,
602  .dac_channels_mixer = 0,
603  .function_flags = OXYGEN_FUNCTION_SPI,
604  .dac_mclks = OXYGEN_MCLKS(256, 128, 128),
605  .adc_mclks = OXYGEN_MCLKS(256, 128, 128),
606  .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
607  .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
608 };
Generated on Thu Jan 10 2013 15:06:58 for Linux Kernel by   doxygen 1.8.2