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_init(struct oxygen *chip)
129 struct generic_data *data = chip->model_data;
132 data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
133 for (i = 0; i < 4; ++i) {
134 ak4396_write(chip, i,
135 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
136 ak4396_write(chip, i,
137 AK4396_CONTROL_2, data->ak4396_ctl2);
138 ak4396_write(chip, i,
139 AK4396_CONTROL_3, AK4396_PCM);
141 update_ak4396_volume(chip);
142 snd_component_add(chip->card, "AK4396");
145 static void ak5385_init(struct oxygen *chip)
147 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
148 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
149 snd_component_add(chip->card, "AK5385");
152 static void wm8785_init(struct oxygen *chip)
154 struct generic_data *data = chip->model_data;
156 data->saved_wm8785_registers[0] = WM8785_MCR_SLAVE |
157 WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST;
158 data->saved_wm8785_registers[1] = WM8785_WL_24;
160 wm8785_write(chip, WM8785_R7, 0);
161 wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]);
162 wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]);
164 snd_component_add(chip->card, "WM8785");
167 static void generic_init(struct oxygen *chip)
173 static void meridian_init(struct oxygen *chip)
179 static void generic_cleanup(struct oxygen *chip)
183 static void set_ak4396_params(struct oxygen *chip,
184 struct snd_pcm_hw_params *params)
186 struct generic_data *data = chip->model_data;
190 value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
191 if (params_rate(params) <= 54000)
192 value |= AK4396_DFS_NORMAL;
193 else if (params_rate(params) <= 108000)
194 value |= AK4396_DFS_DOUBLE;
196 value |= AK4396_DFS_QUAD;
197 data->ak4396_ctl2 = value;
198 for (i = 0; i < 4; ++i) {
199 ak4396_write(chip, i,
200 AK4396_CONTROL_1, AK4396_DIF_24_MSB);
201 ak4396_write(chip, i,
202 AK4396_CONTROL_2, value);
203 ak4396_write(chip, i,
204 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
208 static void update_ak4396_mute(struct oxygen *chip)
210 struct generic_data *data = chip->model_data;
214 value = data->ak4396_ctl2 & ~AK4396_SMUTE;
216 value |= AK4396_SMUTE;
217 data->ak4396_ctl2 = value;
218 for (i = 0; i < 4; ++i)
219 ak4396_write(chip, i, AK4396_CONTROL_2, value);
222 static void set_wm8785_params(struct oxygen *chip,
223 struct snd_pcm_hw_params *params)
227 wm8785_write(chip, WM8785_R7, 0);
229 value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST;
230 if (params_rate(params) <= 48000)
231 value |= WM8785_OSR_SINGLE;
232 else if (params_rate(params) <= 96000)
233 value |= WM8785_OSR_DOUBLE;
235 value |= WM8785_OSR_QUAD;
236 wm8785_write(chip, WM8785_R0, value);
238 if (snd_pcm_format_width(params_format(params)) <= 16)
239 value = WM8785_WL_16;
241 value = WM8785_WL_24;
242 wm8785_write(chip, WM8785_R1, value);
245 static void set_ak5385_params(struct oxygen *chip,
246 struct snd_pcm_hw_params *params)
250 if (params_rate(params) <= 54000)
251 value = GPIO_AK5385_DFS_NORMAL;
252 else if (params_rate(params) <= 108000)
253 value = GPIO_AK5385_DFS_DOUBLE;
255 value = GPIO_AK5385_DFS_QUAD;
256 oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
257 value, GPIO_AK5385_DFS_MASK);
260 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
262 static const struct oxygen_model model_generic = {
263 .shortname = "C-Media CMI8788",
264 .longname = "C-Media Oxygen HD Audio",
266 .owner = THIS_MODULE,
267 .init = generic_init,
268 .cleanup = generic_cleanup,
269 .set_dac_params = set_ak4396_params,
270 .set_adc_params = set_wm8785_params,
271 .update_dac_volume = update_ak4396_volume,
272 .update_dac_mute = update_ak4396_mute,
273 .dac_tlv = ak4396_db_scale,
274 .model_data_size = sizeof(struct generic_data),
275 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
276 PLAYBACK_1_TO_SPDIF |
277 PLAYBACK_2_TO_AC97_1 |
278 CAPTURE_0_FROM_I2S_1 |
279 CAPTURE_1_FROM_SPDIF |
280 CAPTURE_2_FROM_AC97_1,
283 .dac_volume_max = 255,
284 .function_flags = OXYGEN_FUNCTION_SPI |
285 OXYGEN_FUNCTION_ENABLE_SPI_4_5,
286 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
287 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
289 static const struct oxygen_model model_meridian = {
290 .shortname = "C-Media CMI8788",
291 .longname = "C-Media Oxygen HD Audio",
293 .owner = THIS_MODULE,
294 .init = meridian_init,
295 .cleanup = generic_cleanup,
296 .set_dac_params = set_ak4396_params,
297 .set_adc_params = set_ak5385_params,
298 .update_dac_volume = update_ak4396_volume,
299 .update_dac_mute = update_ak4396_mute,
300 .dac_tlv = ak4396_db_scale,
301 .model_data_size = sizeof(struct generic_data),
302 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
303 PLAYBACK_1_TO_SPDIF |
304 PLAYBACK_2_TO_AC97_1 |
305 CAPTURE_0_FROM_I2S_2 |
306 CAPTURE_1_FROM_SPDIF |
307 CAPTURE_2_FROM_AC97_1,
310 .dac_volume_max = 255,
311 .misc_flags = OXYGEN_MISC_MIDI,
312 .function_flags = OXYGEN_FUNCTION_SPI |
313 OXYGEN_FUNCTION_ENABLE_SPI_4_5,
314 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
315 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
318 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
319 const struct pci_device_id *pci_id)
325 if (dev >= SNDRV_CARDS)
331 is_meridian = pci_id->driver_data;
332 err = oxygen_pci_probe(pci, index[dev], id[dev],
333 is_meridian ? &model_meridian : &model_generic);
339 static struct pci_driver oxygen_driver = {
341 .id_table = oxygen_ids,
342 .probe = generic_oxygen_probe,
343 .remove = __devexit_p(oxygen_pci_remove),
346 static int __init alsa_card_oxygen_init(void)
348 return pci_register_driver(&oxygen_driver);
351 static void __exit alsa_card_oxygen_exit(void)
353 pci_unregister_driver(&oxygen_driver);
356 module_init(alsa_card_oxygen_init)
357 module_exit(alsa_card_oxygen_exit)