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>
45 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
46 MODULE_DESCRIPTION("C-Media CMI8788 driver");
47 MODULE_LICENSE("GPL");
48 MODULE_SUPPORTED_DEVICE("{{C-Media,CMI8788}}");
50 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
51 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
52 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
54 module_param_array(index, int, NULL, 0444);
55 MODULE_PARM_DESC(index, "card index");
56 module_param_array(id, charp, NULL, 0444);
57 MODULE_PARM_DESC(id, "ID string");
58 module_param_array(enable, bool, NULL, 0444);
59 MODULE_PARM_DESC(enable, "enable card");
61 static struct pci_device_id oxygen_ids[] __devinitdata = {
62 { OXYGEN_PCI_SUBID(0x10b0, 0x0216) },
63 { OXYGEN_PCI_SUBID(0x10b0, 0x0218) },
64 { OXYGEN_PCI_SUBID(0x10b0, 0x0219) },
65 { OXYGEN_PCI_SUBID(0x13f6, 0x0001) },
66 { OXYGEN_PCI_SUBID(0x13f6, 0x0010) },
67 { OXYGEN_PCI_SUBID(0x13f6, 0x8788) },
68 { OXYGEN_PCI_SUBID(0x147a, 0xa017) },
69 { OXYGEN_PCI_SUBID(0x1a58, 0x0910) },
70 { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data = 1 },
71 { OXYGEN_PCI_SUBID(0x7284, 0x9761) },
74 MODULE_DEVICE_TABLE(pci, oxygen_ids);
77 #define GPIO_AK5385_DFS_MASK 0x0003
78 #define GPIO_AK5385_DFS_NORMAL 0x0000
79 #define GPIO_AK5385_DFS_DOUBLE 0x0001
80 #define GPIO_AK5385_DFS_QUAD 0x0002
82 #define GPIO_LINE_MUTE CM9780_GPO0
88 static void ak4396_write(struct oxygen *chip, unsigned int codec,
91 /* maps ALSA channel pair number to SPI output */
92 static const u8 codec_spi_map[4] = {
95 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
96 OXYGEN_SPI_DATA_LENGTH_2 |
97 OXYGEN_SPI_CLOCK_160 |
98 (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
99 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
100 AK4396_WRITE | (reg << 8) | value);
103 static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value)
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,
113 static void ak4396_init(struct oxygen *chip)
115 struct generic_data *data = chip->model_data;
118 data->ak4396_ctl2 = AK4396_DEM_OFF | AK4396_DFS_NORMAL;
119 for (i = 0; i < 4; ++i) {
120 ak4396_write(chip, i,
121 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
122 ak4396_write(chip, i,
123 AK4396_CONTROL_2, data->ak4396_ctl2);
124 ak4396_write(chip, i,
125 AK4396_CONTROL_3, AK4396_PCM);
126 ak4396_write(chip, i, AK4396_LCH_ATT, 0xff);
127 ak4396_write(chip, i, AK4396_RCH_ATT, 0xff);
129 snd_component_add(chip->card, "AK4396");
132 static void ak5385_init(struct oxygen *chip)
134 oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK);
135 oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK);
136 snd_component_add(chip->card, "AK5385");
139 static void wm8785_init(struct oxygen *chip)
141 wm8785_write(chip, WM8785_R7, 0);
142 wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE |
143 WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST);
144 wm8785_write(chip, WM8785_R1, WM8785_WL_24);
145 snd_component_add(chip->card, "WM8785");
148 static void cmi9780_init(struct oxygen *chip)
150 oxygen_ac97_clear_bits(chip, 0, CM9780_GPIO_STATUS, GPIO_LINE_MUTE);
153 static void generic_init(struct oxygen *chip)
160 static void meridian_init(struct oxygen *chip)
167 static void generic_cleanup(struct oxygen *chip)
171 static void set_ak4396_params(struct oxygen *chip,
172 struct snd_pcm_hw_params *params)
174 struct generic_data *data = chip->model_data;
178 value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
179 if (params_rate(params) <= 54000)
180 value |= AK4396_DFS_NORMAL;
181 else if (params_rate(params) <= 108000)
182 value |= AK4396_DFS_DOUBLE;
184 value |= AK4396_DFS_QUAD;
185 data->ak4396_ctl2 = value;
186 for (i = 0; i < 4; ++i) {
187 ak4396_write(chip, i,
188 AK4396_CONTROL_1, AK4396_DIF_24_MSB);
189 ak4396_write(chip, i,
190 AK4396_CONTROL_2, value);
191 ak4396_write(chip, i,
192 AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
196 static void update_ak4396_volume(struct oxygen *chip)
200 for (i = 0; i < 4; ++i) {
201 ak4396_write(chip, i,
202 AK4396_LCH_ATT, chip->dac_volume[i * 2]);
203 ak4396_write(chip, i,
204 AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]);
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 void cmi9780_switch_hook(struct oxygen *chip, unsigned int codec,
261 unsigned int reg, int mute)
267 oxygen_write_ac97_masked(chip, 0, CM9780_GPIO_STATUS,
268 mute ? GPIO_LINE_MUTE : 0,
275 oxygen_ac97_set_bits(chip, 0, CM9780_GPIO_STATUS,
281 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
283 static int ak4396_control_filter(struct snd_kcontrol_new *template)
285 if (!strcmp(template->name, "Master Playback Volume")) {
286 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
287 template->tlv.p = ak4396_db_scale;
292 static const struct oxygen_model model_generic = {
293 .shortname = "C-Media CMI8788",
294 .longname = "C-Media Oxygen HD Audio",
296 .owner = THIS_MODULE,
297 .init = generic_init,
298 .control_filter = ak4396_control_filter,
299 .cleanup = generic_cleanup,
300 .set_dac_params = set_ak4396_params,
301 .set_adc_params = set_wm8785_params,
302 .update_dac_volume = update_ak4396_volume,
303 .update_dac_mute = update_ak4396_mute,
304 .ac97_switch_hook = cmi9780_switch_hook,
305 .model_data_size = sizeof(struct generic_data),
306 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
307 PLAYBACK_1_TO_SPDIF |
308 PLAYBACK_2_TO_AC97_1 |
309 CAPTURE_0_FROM_I2S_1 |
310 CAPTURE_1_FROM_SPDIF |
311 CAPTURE_2_FROM_AC97_1,
313 .function_flags = OXYGEN_FUNCTION_SPI |
314 OXYGEN_FUNCTION_ENABLE_SPI_4_5,
315 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
316 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
318 static const struct oxygen_model model_meridian = {
319 .shortname = "C-Media CMI8788",
320 .longname = "C-Media Oxygen HD Audio",
322 .owner = THIS_MODULE,
323 .init = meridian_init,
324 .control_filter = ak4396_control_filter,
325 .cleanup = generic_cleanup,
326 .set_dac_params = set_ak4396_params,
327 .set_adc_params = set_ak5385_params,
328 .update_dac_volume = update_ak4396_volume,
329 .update_dac_mute = update_ak4396_mute,
330 .ac97_switch_hook = cmi9780_switch_hook,
331 .model_data_size = sizeof(struct generic_data),
332 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
333 PLAYBACK_1_TO_SPDIF |
334 PLAYBACK_2_TO_AC97_1 |
335 CAPTURE_0_FROM_I2S_2 |
336 CAPTURE_1_FROM_SPDIF |
337 CAPTURE_2_FROM_AC97_1,
339 .misc_flags = OXYGEN_MISC_MIDI,
340 .function_flags = OXYGEN_FUNCTION_SPI |
341 OXYGEN_FUNCTION_ENABLE_SPI_4_5,
342 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
343 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
346 static int __devinit generic_oxygen_probe(struct pci_dev *pci,
347 const struct pci_device_id *pci_id)
353 if (dev >= SNDRV_CARDS)
359 is_meridian = pci_id->driver_data;
360 err = oxygen_pci_probe(pci, index[dev], id[dev],
361 is_meridian ? &model_meridian : &model_generic);
367 static struct pci_driver oxygen_driver = {
369 .id_table = oxygen_ids,
370 .probe = generic_oxygen_probe,
371 .remove = __devexit_p(oxygen_pci_remove),
374 static int __init alsa_card_oxygen_init(void)
376 return pci_register_driver(&oxygen_driver);
379 static void __exit alsa_card_oxygen_exit(void)
381 pci_unregister_driver(&oxygen_driver);
384 module_init(alsa_card_oxygen_init)
385 module_exit(alsa_card_oxygen_exit)