?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
[wrt350n-kernel.git] / sound / pci / oxygen / oxygen.c
blob9a9941bb0460c08575385c9f1aa8d4a33cf5ac17
1 /*
2 * C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
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, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 /*
21 * SPI 0 -> 1st AK4396 (front)
22 * SPI 1 -> 2nd AK4396 (surround)
23 * SPI 2 -> 3rd AK4396 (center/LFE)
24 * SPI 3 -> WM8785
25 * SPI 4 -> 4th AK4396 (back)
26 *
27 * GPIO 0 -> DFS0 of AK5385
28 * GPIO 1 -> DFS1 of AK5385
29 */
30
31 #include <linux/mutex.h>
32 #include <linux/pci.h>
33 #include <sound/ac97_codec.h>
34 #include <sound/control.h>
35 #include <sound/core.h>
36 #include <sound/initval.h>
37 #include <sound/pcm.h>
38 #include <sound/pcm_params.h>
39 #include <sound/tlv.h>
40 #include "oxygen.h"
41 #include "ak4396.h"
42 #include "cm9780.h"
43
44 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
45 MODULE_DESCRIPTION("C-Media CMI8788 driver");
46 MODULE_LICENSE("GPL");
47 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");
48
49 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
50 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
51 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
52
53 module_param_array(index, int, NULL, 0444);
54 MODULE_PARM_DESC(index, "card index");
55 module_param_array(id, charp, NULL, 0444);
56 MODULE_PARM_DESC(id, "ID string");
57 module_param_array(enable, bool, NULL, 0444);
58 MODULE_PARM_DESC(enable, "enable card");
59
60 static struct pci_device_id oxygen_ids[] __devinitdata = {
61 { OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
62 { OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
63 { OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
64 { OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
65 { OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
66 { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
67 { OXYGEN_PCI_SUBID(0x147a, 0xa017) },
68 { OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
69 { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
70 { OXYGEN_PCI_SUBID(0x7284, 0x9761) },
71 { }
72 };
73 MODULE_DEVICE_TABLE(pci, oxygen_ids);
74
75
76 #define GPIO_AK5385_DFS_MASK 0x0003
77 #define GPIO_AK5385_DFS_NORMAL 0x0000
78 #define GPIO_AK5385_DFS_DOUBLE 0x0001
79 #define GPIO_AK5385_DFS_QUAD 0x0002
80
81 #define GPIO_LINE_MUTE CM9780_GPO0
82
83 #define WM8785_R0 0
84 #define WM8785_R1 1
85 #define WM8785_R2 2
86 #define WM8785_R7 7
87
88 /* R0 */
89 #define WM8785_MCR_MASK 0x007
90 #define WM8785_MCR_SLAVE 0x000
91 #define WM8785_MCR_MASTER_128 0x001
92 #define WM8785_MCR_MASTER_192 0x002
93 #define WM8785_MCR_MASTER_256 0x003
94 #define WM8785_MCR_MASTER_384 0x004
95 #define WM8785_MCR_MASTER_512 0x005
96 #define WM8785_MCR_MASTER_768 0x006
97 #define WM8785_OSR_MASK 0x018
98 #define WM8785_OSR_SINGLE 0x000
99 #define WM8785_OSR_DOUBLE 0x008
100 #define WM8785_OSR_QUAD 0x010
101 #define WM8785_FORMAT_MASK 0x060
102 #define WM8785_FORMAT_RJUST 0x000
103 #define WM8785_FORMAT_LJUST 0x020
104 #define WM8785_FORMAT_I2S 0x040
105 #define WM8785_FORMAT_DSP 0x060
106 /* R1 */
107 #define WM8785_WL_MASK 0x003
108 #define WM8785_WL_16 0x000
109 #define WM8785_WL_20 0x001
110 #define WM8785_WL_24 0x002
111 #define WM8785_WL_32 0x003
112 #define WM8785_LRP 0x004
113 #define WM8785_BCLKINV 0x008
114 #define WM8785_LRSWAP 0x010
115 #define WM8785_DEVNO_MASK 0x0e0
116 /* R2 */
117 #define WM8785_HPFR 0x001
118 #define WM8785_HPFL 0x002
119 #define WM8785_SDODIS 0x004
120 #define WM8785_PWRDNR 0x008
121 #define WM8785_PWRDNL 0x010
122 #define WM8785_TDM_MASK 0x1c0
123
124 struct generic_data {
125 u8 ak4396_ctl2;
126 };
127
128 static void ak4396_write(struct oxygen *chip, unsigned int codec,
129 u8 reg, u8 value)
130 {
131 /* maps ALSA channel pair number to SPI output */
132 static const u8 codec_spi_map[4] = {
133 0, 1, 2, 4
134 };
135 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
136 OXYGEN_SPI_DATA_LENGTH_2 |
137 OXYGEN_SPI_CLOCK_160 |
138 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
139 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
140 AK4396_WRITE | (reg << 8) | value);
141 }
142
143 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
144 {
145 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
146 OXYGEN_SPI_DATA_LENGTH_2 |
147 OXYGEN_SPI_CLOCK_160 |
148 (3 << OXYGEN_SPI_CODEC_SHIFT) |
149 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
150 (reg << 9) | value);
151 }
152
153 static void ak4396_init(struct oxygen *chip)
154 {
155 struct generic_data *data = chip->model_data;
156 unsigned int i;
157
158 data->ak4396_ctl2 = AK4396_DEM_OFF | AK4396_DFS_NORMAL;
159 for (i = 0; i < 4; ++i) {
160 ak4396_write(chip, i,
161 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
162 ak4396_write(chip, i,
163 AK4396_CONTROL_2, data->ak4396_ctl2);
164 ak4396_write(chip, i,
165 AK4396_CONTROL_3, AK4396_PCM);
166 ak4396_write(chip, i, AK4396_LCH_ATT, 0xff);
167 ak4396_write(chip, i, AK4396_RCH_ATT, 0xff);
168 }
169 snd_component_add(chip->card, "AK4396");
170 }
171
172 static void ak5385_init(struct oxygen *chip)
173 {
174 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
175 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
176 snd_component_add(chip->card, "AK5385");
177 }
178
179 static void wm8785_init(struct oxygen *chip)
180 {
181 wm8785_write(chip, WM8785_R7, 0);
182 wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE |
183 WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST);
184 wm8785_write(chip, WM8785_R1, WM8785_WL_24);
185 snd_component_add(chip->card, "WM8785");
186 }
187
188 static void cmi9780_init(struct oxygen *chip)
189 {
190 oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS, GPIO_LINE_MUTE);
191 }
192
193 static void generic_init(struct oxygen *chip)
194 {
195 ak4396_init(chip);
196 wm8785_init(chip);
197 cmi9780_init(chip);
198 }
199
200 static void meridian_init(struct oxygen *chip)
201 {
202 ak4396_init(chip);
203 ak5385_init(chip);
204 cmi9780_init(chip);
205 }
206
207 static void generic_cleanup(struct oxygen *chip)
208 {
209 }
210
211 static void set_ak4396_params(struct oxygen *chip,
212 struct snd_pcm_hw_params *params)
213 {
214 struct generic_data *data = chip->model_data;
215 unsigned int i;
216 u8 value;
217
218 value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
219 if (params_rate(params) <= 54000)
220 value |= AK4396_DFS_NORMAL;
221 else if (params_rate(params) <= 108000)
222 value |= AK4396_DFS_DOUBLE;
223 else
224 value |= AK4396_DFS_QUAD;
225 data->ak4396_ctl2 = value;
226 for (i = 0; i < 4; ++i) {
227 ak4396_write(chip, i,
228 AK4396_CONTROL_1, AK4396_DIF_24_MSB);
229 ak4396_write(chip, i,
230 AK4396_CONTROL_2, value);
231 ak4396_write(chip, i,
232 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
233 }
234 }
235
236 static void update_ak4396_volume(struct oxygen *chip)
237 {
238 unsigned int i;
239
240 for (i = 0; i < 4; ++i) {
241 ak4396_write(chip, i,
242 AK4396_LCH_ATT, chip->dac_volume[i * 2]);
243 ak4396_write(chip, i,
244 AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
245 }
246 }
247
248 static void update_ak4396_mute(struct oxygen *chip)
249 {
250 struct generic_data *data = chip->model_data;
251 unsigned int i;
252 u8 value;
253
254 value = data->ak4396_ctl2 & ~AK4396_SMUTE;
255 if (chip->dac_mute)
256 value |= AK4396_SMUTE;
257 data->ak4396_ctl2 = value;
258 for (i = 0; i < 4; ++i)
259 ak4396_write(chip, i, AK4396_CONTROL_2, value);
260 }
261
262 static void set_wm8785_params(struct oxygen *chip,
263 struct snd_pcm_hw_params *params)
264 {
265 unsigned int value;
266
267 wm8785_write(chip, WM8785_R7, 0);
268
269 value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
270 if (params_rate(params) <= 48000)
271 value |= WM8785_OSR_SINGLE;
272 else if (params_rate(params) <= 96000)
273 value |= WM8785_OSR_DOUBLE;
274 else
275 value |= WM8785_OSR_QUAD;
276 wm8785_write(chip, WM8785_R0, value);
277
278 if (snd_pcm_format_width(params_format(params)) <= 16)
279 value = WM8785_WL_16;
280 else
281 value = WM8785_WL_24;
282 wm8785_write(chip, WM8785_R1, value);
283 }
284
285 static void set_ak5385_params(struct oxygen *chip,
286 struct snd_pcm_hw_params *params)
287 {
288 unsigned int value;
289
290 if (params_rate(params) <= 54000)
291 value = GPIO_AK5385_DFS_NORMAL;
292 else if (params_rate(params) <= 108000)
293 value = GPIO_AK5385_DFS_DOUBLE;
294 else
295 value = GPIO_AK5385_DFS_QUAD;
296 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
297 value, GPIO_AK5385_DFS_MASK);
298 }
299
300 static void cmi9780_switch_hook(struct oxygen *chip, unsigned int codec,
301 unsigned int reg, int mute)
302 {
303 if (codec != 0)
304 return;
305 switch (reg) {
306 case AC97_LINE:
307 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
308 mute ? GPIO_LINE_MUTE : 0,
309 GPIO_LINE_MUTE);
310 break;
311 case AC97_MIC:
312 case AC97_CD:
313 case AC97_AUX:
314 if (!mute)
315 oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_STATUS,
316 GPIO_LINE_MUTE);
317 break;
318 }
319 }
320
321 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
322
323 static int ak4396_control_filter(struct snd_kcontrol_new *template)
324 {
325 if (!strcmp(template->name, "Master Playback Volume")) {
326 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
327 template->tlv.p = ak4396_db_scale;
328 }
329 return 0;
330 }
331
332 static const struct oxygen_model model_generic = {
333 .shortname = "C-Media CMI8788",
334 .longname = "C-Media Oxygen HD Audio",
335 .chip = "CMI8788",
336 .owner = THIS_MODULE,
337 .init = generic_init,
338 .control_filter = ak4396_control_filter,
339 .cleanup = generic_cleanup,
340 .set_dac_params = set_ak4396_params,
341 .set_adc_params = set_wm8785_params,
342 .update_dac_volume = update_ak4396_volume,
343 .update_dac_mute = update_ak4396_mute,
344 .ac97_switch_hook = cmi9780_switch_hook,
345 .model_data_size = sizeof(struct generic_data),
346 .dac_channels = 8,
347 .used_channels = OXYGEN_CHANNEL_A |
348 OXYGEN_CHANNEL_C |
349 OXYGEN_CHANNEL_SPDIF |
350 OXYGEN_CHANNEL_MULTICH |
351 OXYGEN_CHANNEL_AC97,
352 .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
353 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
354 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
355 };
356 static const struct oxygen_model model_meridian = {
357 .shortname = "C-Media CMI8788",
358 .longname = "C-Media Oxygen HD Audio",
359 .chip = "CMI8788",
360 .owner = THIS_MODULE,
361 .init = meridian_init,
362 .control_filter = ak4396_control_filter,
363 .cleanup = generic_cleanup,
364 .set_dac_params = set_ak4396_params,
365 .set_adc_params = set_ak5385_params,
366 .update_dac_volume = update_ak4396_volume,
367 .update_dac_mute = update_ak4396_mute,
368 .ac97_switch_hook = cmi9780_switch_hook,
369 .model_data_size = sizeof(struct generic_data),
370 .dac_channels = 8,
371 .used_channels = OXYGEN_CHANNEL_B |
372 OXYGEN_CHANNEL_C |
373 OXYGEN_CHANNEL_SPDIF |
374 OXYGEN_CHANNEL_MULTICH |
375 OXYGEN_CHANNEL_AC97,
376 .function_flags = OXYGEN_FUNCTION_ENABLE_SPI_4_5,
377 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
378 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
379 };
380
381 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
382 const struct pci_device_id *pci_id)
383 {
384 static int dev;
385 int is_meridian;
386 int err;
387
388 if (dev >= SNDRV_CARDS)
389 return -ENODEV;
390 if (!enable[dev]) {
391 ++dev;
392 return -ENOENT;
393 }
394 is_meridian = pci_id->driver_data;
395 err = oxygen_pci_probe(pci, index[dev], id[dev], is_meridian,
396 is_meridian ? &model_meridian : &model_generic);
397 if (err >= 0)
398 ++dev;
399 return err;
400 }
401
402 static struct pci_driver oxygen_driver = {
403 .name = "CMI8788",
404 .id_table = oxygen_ids,
405 .probe = generic_oxygen_probe,
406 .remove = __devexit_p(oxygen_pci_remove),
407 };
408
409 static int __init alsa_card_oxygen_init(void)
410 {
411 return pci_register_driver(&oxygen_driver);
412 }
413
414 static void __exit alsa_card_oxygen_exit(void)
415 {
416 pci_unregister_driver(&oxygen_driver);
417 }
418
419 module_init(alsa_card_oxygen_init)
420 module_exit(alsa_card_oxygen_exit)
WRT350N Kernel Patches