2 * C-Media CMI8788 driver for C-Media's reference design and for the X-Meridian
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
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.
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.
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
21 * SPI 0 -> 1st AK4396 (front)
22 * SPI 1 -> 2nd AK4396 (surround)
23 * SPI 2 -> 3rd AK4396 (center/LFE)
25 * SPI 4 -> 4th AK4396 (back)
27 * GPIO 0 -> DFS0 of AK5385
28 * GPIO 1 -> DFS1 of AK5385
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>
44 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
45 MODULE_DESCRIPTION("C-Media CMI8788 driver");
46 MODULE_LICENSE("GPL v2");
47 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");
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;
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");
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) },
73 MODULE_DEVICE_TABLE(pci, oxygen_ids);
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
83 u16 saved_wm8785_registers[2];
86 static void ak4396_write(struct oxygen *chip, unsigned int codec,
89 /* maps ALSA channel pair number to SPI output */
90 static const u8 codec_spi_map[4] = {
93 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
94 OXYGEN_SPI_DATA_LENGTH_2 |
95 OXYGEN_SPI_CLOCK_160 |
96 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
97 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
98 AK4396_WRITE | (reg << 8) | value);
101 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
103 struct generic_data *data = chip->model_data;
105 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
106 OXYGEN_SPI_DATA_LENGTH_2 |
107 OXYGEN_SPI_CLOCK_160 |
108 (3 << OXYGEN_SPI_CODEC_SHIFT) |
109 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
111 if (reg < ARRAY_SIZE(data->saved_wm8785_registers))
112 data->saved_wm8785_registers[reg] = value;
115 static void update_ak4396_volume(struct oxygen *chip)
119 for (i = 0; i < 4; ++i) {
120 ak4396_write(chip, i,
121 AK4396_LCH_ATT, chip->dac_volume[i * 2]);
122 ak4396_write(chip, i,
123 AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
127 static void ak4396_registers_init(struct oxygen *chip)
129 struct generic_data *data = chip->model_data;
132 for (i = 0; i < 4; ++i) {
133 ak4396_write(chip, i,
134 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
135 ak4396_write(chip, i,
136 AK4396_CONTROL_2, data->ak4396_ctl2);
137 ak4396_write(chip, i,
138 AK4396_CONTROL_3, AK4396_PCM);
140 update_ak4396_volume(chip);
143 static void ak4396_init(struct oxygen *chip)
145 struct generic_data *data = chip->model_data;
147 data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
148 ak4396_registers_init(chip);
149 snd_component_add(chip->card, "AK4396");
152 static void ak5385_init(struct oxygen *chip)
154 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
155 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
156 snd_component_add(chip->card, "AK5385");
159 static void wm8785_registers_init(struct oxygen *chip)
161 struct generic_data *data = chip->model_data;
163 wm8785_write(chip, WM8785_R7, 0);
164 wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]);
165 wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]);
168 static void wm8785_init(struct oxygen *chip)
170 struct generic_data *data = chip->model_data;
172 data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE |
173 WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
174 data->saved_wm8785_registers[1] = WM8785_WL_24;
175 wm8785_registers_init(chip);
176 snd_component_add(chip->card, "WM8785");
179 static void generic_init(struct oxygen *chip)
185 static void meridian_init(struct oxygen *chip)
191 static void generic_cleanup(struct oxygen *chip)
195 static void set_ak4396_params(struct oxygen *chip,
196 struct snd_pcm_hw_params *params)
198 struct generic_data *data = chip->model_data;
202 value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
203 if (params_rate(params) <= 54000)
204 value |= AK4396_DFS_NORMAL;
205 else if (params_rate(params) <= 108000)
206 value |= AK4396_DFS_DOUBLE;
208 value |= AK4396_DFS_QUAD;
209 data->ak4396_ctl2 = value;
210 for (i = 0; i < 4; ++i) {
211 ak4396_write(chip, i,
212 AK4396_CONTROL_1, AK4396_DIF_24_MSB);
213 ak4396_write(chip, i,
214 AK4396_CONTROL_2, value);
215 ak4396_write(chip, i,
216 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
220 static void update_ak4396_mute(struct oxygen *chip)
222 struct generic_data *data = chip->model_data;
226 value = data->ak4396_ctl2 & ~AK4396_SMUTE;
228 value |= AK4396_SMUTE;
229 data->ak4396_ctl2 = value;
230 for (i = 0; i < 4; ++i)
231 ak4396_write(chip, i, AK4396_CONTROL_2, value);
234 static void set_wm8785_params(struct oxygen *chip,
235 struct snd_pcm_hw_params *params)
239 wm8785_write(chip, WM8785_R7, 0);
241 value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
242 if (params_rate(params) <= 48000)
243 value |= WM8785_OSR_SINGLE;
244 else if (params_rate(params) <= 96000)
245 value |= WM8785_OSR_DOUBLE;
247 value |= WM8785_OSR_QUAD;
248 wm8785_write(chip, WM8785_R0, value);
250 if (snd_pcm_format_width(params_format(params)) <= 16)
251 value = WM8785_WL_16;
253 value = WM8785_WL_24;
254 wm8785_write(chip, WM8785_R1, value);
257 static void set_ak5385_params(struct oxygen *chip,
258 struct snd_pcm_hw_params *params)
262 if (params_rate(params) <= 54000)
263 value = GPIO_AK5385_DFS_NORMAL;
264 else if (params_rate(params) <= 108000)
265 value = GPIO_AK5385_DFS_DOUBLE;
267 value = GPIO_AK5385_DFS_QUAD;
268 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
269 value, GPIO_AK5385_DFS_MASK);
272 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
274 static const struct oxygen_model model_generic = {
275 .shortname = "C-Media CMI8788",
276 .longname = "C-Media Oxygen HD Audio",
278 .owner = THIS_MODULE,
279 .init = generic_init,
280 .cleanup = generic_cleanup,
281 .set_dac_params = set_ak4396_params,
282 .set_adc_params = set_wm8785_params,
283 .update_dac_volume = update_ak4396_volume,
284 .update_dac_mute = update_ak4396_mute,
285 .dac_tlv = ak4396_db_scale,
286 .model_data_size = sizeof(struct generic_data),
287 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
288 PLAYBACK_1_TO_SPDIF |
289 PLAYBACK_2_TO_AC97_1 |
290 CAPTURE_0_FROM_I2S_1 |
291 CAPTURE_1_FROM_SPDIF |
292 CAPTURE_2_FROM_AC97_1,
295 .dac_volume_max = 255,
296 .function_flags = OXYGEN_FUNCTION_SPI |
297 OXYGEN_FUNCTION_ENABLE_SPI_4_5,
298 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
299 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
301 static const struct oxygen_model model_meridian = {
302 .shortname = "C-Media CMI8788",
303 .longname = "C-Media Oxygen HD Audio",
305 .owner = THIS_MODULE,
306 .init = meridian_init,
307 .cleanup = generic_cleanup,
308 .set_dac_params = set_ak4396_params,
309 .set_adc_params = set_ak5385_params,
310 .update_dac_volume = update_ak4396_volume,
311 .update_dac_mute = update_ak4396_mute,
312 .dac_tlv = ak4396_db_scale,
313 .model_data_size = sizeof(struct generic_data),
314 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
315 PLAYBACK_1_TO_SPDIF |
316 PLAYBACK_2_TO_AC97_1 |
317 CAPTURE_0_FROM_I2S_2 |
318 CAPTURE_1_FROM_SPDIF |
319 CAPTURE_2_FROM_AC97_1,
322 .dac_volume_max = 255,
323 .misc_flags = OXYGEN_MISC_MIDI,
324 .function_flags = OXYGEN_FUNCTION_SPI |
325 OXYGEN_FUNCTION_ENABLE_SPI_4_5,
326 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
327 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
330 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
331 const struct pci_device_id *pci_id)
337 if (dev >= SNDRV_CARDS)
343 is_meridian = pci_id->driver_data;
344 err = oxygen_pci_probe(pci, index[dev], id[dev],
345 is_meridian ? &model_meridian : &model_generic);
351 static struct pci_driver oxygen_driver = {
353 .id_table = oxygen_ids,
354 .probe = generic_oxygen_probe,
355 .remove = __devexit_p(oxygen_pci_remove),
358 static int __init alsa_card_oxygen_init(void)
360 return pci_register_driver(&oxygen_driver);
363 static void __exit alsa_card_oxygen_exit(void)
365 pci_unregister_driver(&oxygen_driver);
368 module_init(alsa_card_oxygen_init)
369 module_exit(alsa_card_oxygen_exit)