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d0ce9946 CL |
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) | |
7113e958 | 22 | * SPI 1 -> 2nd AK4396 (surround) |
d0ce9946 CL |
23 | * SPI 2 -> 3rd AK4396 (center/LFE) |
24 | * SPI 3 -> WM8785 | |
7113e958 | 25 | * SPI 4 -> 4th AK4396 (back) |
d0ce9946 CL |
26 | * |
27 | * GPIO 0 -> DFS0 of AK5385 | |
28 | * GPIO 1 -> DFS1 of AK5385 | |
29 | */ | |
30 | ||
902b05c1 | 31 | #include <linux/mutex.h> |
d0ce9946 | 32 | #include <linux/pci.h> |
902b05c1 | 33 | #include <sound/ac97_codec.h> |
ccc80fb4 | 34 | #include <sound/control.h> |
d0ce9946 CL |
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" | |
c626026d | 41 | #include "ak4396.h" |
f5b2368b | 42 | #include "wm8785.h" |
d0ce9946 CL |
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) }, | |
d0ce9946 CL |
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 | ||
878ac3ee CL |
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 | ||
7ef37cd9 CL |
81 | struct generic_data { |
82 | u8 ak4396_ctl2; | |
83 | }; | |
84 | ||
d0ce9946 CL |
85 | static void ak4396_write(struct oxygen *chip, unsigned int codec, |
86 | u8 reg, u8 value) | |
87 | { | |
88 | /* maps ALSA channel pair number to SPI output */ | |
89 | static const u8 codec_spi_map[4] = { | |
7113e958 | 90 | 0, 1, 2, 4 |
d0ce9946 | 91 | }; |
c2353a08 | 92 | oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | |
d0ce9946 | 93 | OXYGEN_SPI_DATA_LENGTH_2 | |
2ea85986 | 94 | OXYGEN_SPI_CLOCK_160 | |
d0ce9946 | 95 | (codec_spi_map[codec] << OXYGEN_SPI_CODEC_SHIFT) | |
c2353a08 | 96 | OXYGEN_SPI_CEN_LATCH_CLOCK_HI, |
d0ce9946 CL |
97 | AK4396_WRITE | (reg << 8) | value); |
98 | } | |
99 | ||
100 | static void wm8785_write(struct oxygen *chip, u8 reg, unsigned int value) | |
101 | { | |
c2353a08 | 102 | oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER | |
d0ce9946 | 103 | OXYGEN_SPI_DATA_LENGTH_2 | |
2ea85986 | 104 | OXYGEN_SPI_CLOCK_160 | |
c2353a08 CL |
105 | (3 << OXYGEN_SPI_CODEC_SHIFT) | |
106 | OXYGEN_SPI_CEN_LATCH_CLOCK_LO, | |
d0ce9946 CL |
107 | (reg << 9) | value); |
108 | } | |
109 | ||
110 | static void ak4396_init(struct oxygen *chip) | |
111 | { | |
7ef37cd9 | 112 | struct generic_data *data = chip->model_data; |
d0ce9946 CL |
113 | unsigned int i; |
114 | ||
e983532e | 115 | data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL; |
d0ce9946 | 116 | for (i = 0; i < 4; ++i) { |
878ac3ee CL |
117 | ak4396_write(chip, i, |
118 | AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); | |
119 | ak4396_write(chip, i, | |
7ef37cd9 | 120 | AK4396_CONTROL_2, data->ak4396_ctl2); |
878ac3ee CL |
121 | ak4396_write(chip, i, |
122 | AK4396_CONTROL_3, AK4396_PCM); | |
e983532e CL |
123 | ak4396_write(chip, i, AK4396_LCH_ATT, 0); |
124 | ak4396_write(chip, i, AK4396_RCH_ATT, 0); | |
d0ce9946 CL |
125 | } |
126 | snd_component_add(chip->card, "AK4396"); | |
127 | } | |
128 | ||
129 | static void ak5385_init(struct oxygen *chip) | |
130 | { | |
878ac3ee CL |
131 | oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_AK5385_DFS_MASK); |
132 | oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_AK5385_DFS_MASK); | |
d0ce9946 CL |
133 | snd_component_add(chip->card, "AK5385"); |
134 | } | |
135 | ||
136 | static void wm8785_init(struct oxygen *chip) | |
137 | { | |
878ac3ee CL |
138 | wm8785_write(chip, WM8785_R7, 0); |
139 | wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE | | |
140 | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST); | |
141 | wm8785_write(chip, WM8785_R1, WM8785_WL_24); | |
d0ce9946 CL |
142 | snd_component_add(chip->card, "WM8785"); |
143 | } | |
144 | ||
145 | static void generic_init(struct oxygen *chip) | |
146 | { | |
147 | ak4396_init(chip); | |
148 | wm8785_init(chip); | |
149 | } | |
150 | ||
151 | static void meridian_init(struct oxygen *chip) | |
152 | { | |
153 | ak4396_init(chip); | |
154 | ak5385_init(chip); | |
155 | } | |
156 | ||
157 | static void generic_cleanup(struct oxygen *chip) | |
158 | { | |
159 | } | |
160 | ||
161 | static void set_ak4396_params(struct oxygen *chip, | |
162 | struct snd_pcm_hw_params *params) | |
163 | { | |
7ef37cd9 | 164 | struct generic_data *data = chip->model_data; |
d0ce9946 CL |
165 | unsigned int i; |
166 | u8 value; | |
167 | ||
7ef37cd9 | 168 | value = data->ak4396_ctl2 & ~AK4396_DFS_MASK; |
d0ce9946 CL |
169 | if (params_rate(params) <= 54000) |
170 | value |= AK4396_DFS_NORMAL; | |
236c4920 | 171 | else if (params_rate(params) <= 108000) |
d0ce9946 CL |
172 | value |= AK4396_DFS_DOUBLE; |
173 | else | |
174 | value |= AK4396_DFS_QUAD; | |
7ef37cd9 | 175 | data->ak4396_ctl2 = value; |
d0ce9946 | 176 | for (i = 0; i < 4; ++i) { |
878ac3ee CL |
177 | ak4396_write(chip, i, |
178 | AK4396_CONTROL_1, AK4396_DIF_24_MSB); | |
179 | ak4396_write(chip, i, | |
180 | AK4396_CONTROL_2, value); | |
181 | ak4396_write(chip, i, | |
182 | AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN); | |
d0ce9946 CL |
183 | } |
184 | } | |
185 | ||
186 | static void update_ak4396_volume(struct oxygen *chip) | |
187 | { | |
188 | unsigned int i; | |
189 | ||
190 | for (i = 0; i < 4; ++i) { | |
878ac3ee CL |
191 | ak4396_write(chip, i, |
192 | AK4396_LCH_ATT, chip->dac_volume[i * 2]); | |
193 | ak4396_write(chip, i, | |
194 | AK4396_RCH_ATT, chip->dac_volume[i * 2 + 1]); | |
d0ce9946 CL |
195 | } |
196 | } | |
197 | ||
198 | static void update_ak4396_mute(struct oxygen *chip) | |
199 | { | |
7ef37cd9 | 200 | struct generic_data *data = chip->model_data; |
d0ce9946 CL |
201 | unsigned int i; |
202 | u8 value; | |
203 | ||
7ef37cd9 | 204 | value = data->ak4396_ctl2 & ~AK4396_SMUTE; |
d0ce9946 CL |
205 | if (chip->dac_mute) |
206 | value |= AK4396_SMUTE; | |
7ef37cd9 | 207 | data->ak4396_ctl2 = value; |
d0ce9946 | 208 | for (i = 0; i < 4; ++i) |
878ac3ee | 209 | ak4396_write(chip, i, AK4396_CONTROL_2, value); |
d0ce9946 CL |
210 | } |
211 | ||
212 | static void set_wm8785_params(struct oxygen *chip, | |
213 | struct snd_pcm_hw_params *params) | |
214 | { | |
215 | unsigned int value; | |
216 | ||
878ac3ee | 217 | wm8785_write(chip, WM8785_R7, 0); |
d0ce9946 | 218 | |
878ac3ee | 219 | value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST; |
71e22a4b CL |
220 | if (params_rate(params) <= 48000) |
221 | value |= WM8785_OSR_SINGLE; | |
222 | else if (params_rate(params) <= 96000) | |
d0ce9946 | 223 | value |= WM8785_OSR_DOUBLE; |
d0ce9946 | 224 | else |
71e22a4b | 225 | value |= WM8785_OSR_QUAD; |
878ac3ee | 226 | wm8785_write(chip, WM8785_R0, value); |
d0ce9946 CL |
227 | |
228 | if (snd_pcm_format_width(params_format(params)) <= 16) | |
229 | value = WM8785_WL_16; | |
230 | else | |
231 | value = WM8785_WL_24; | |
878ac3ee | 232 | wm8785_write(chip, WM8785_R1, value); |
d0ce9946 CL |
233 | } |
234 | ||
235 | static void set_ak5385_params(struct oxygen *chip, | |
236 | struct snd_pcm_hw_params *params) | |
237 | { | |
238 | unsigned int value; | |
239 | ||
240 | if (params_rate(params) <= 54000) | |
878ac3ee | 241 | value = GPIO_AK5385_DFS_NORMAL; |
d0ce9946 | 242 | else if (params_rate(params) <= 108000) |
878ac3ee | 243 | value = GPIO_AK5385_DFS_DOUBLE; |
d0ce9946 | 244 | else |
878ac3ee CL |
245 | value = GPIO_AK5385_DFS_QUAD; |
246 | oxygen_write16_masked(chip, OXYGEN_GPIO_DATA, | |
247 | value, GPIO_AK5385_DFS_MASK); | |
d0ce9946 CL |
248 | } |
249 | ||
250 | static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0); | |
251 | ||
252 | static const struct oxygen_model model_generic = { | |
253 | .shortname = "C-Media CMI8788", | |
254 | .longname = "C-Media Oxygen HD Audio", | |
255 | .chip = "CMI8788", | |
256 | .owner = THIS_MODULE, | |
257 | .init = generic_init, | |
258 | .cleanup = generic_cleanup, | |
259 | .set_dac_params = set_ak4396_params, | |
260 | .set_adc_params = set_wm8785_params, | |
261 | .update_dac_volume = update_ak4396_volume, | |
262 | .update_dac_mute = update_ak4396_mute, | |
4972a177 | 263 | .dac_tlv = ak4396_db_scale, |
7ef37cd9 | 264 | .model_data_size = sizeof(struct generic_data), |
f009ad9b CL |
265 | .pcm_dev_cfg = PLAYBACK_0_TO_I2S | |
266 | PLAYBACK_1_TO_SPDIF | | |
267 | PLAYBACK_2_TO_AC97_1 | | |
268 | CAPTURE_0_FROM_I2S_1 | | |
269 | CAPTURE_1_FROM_SPDIF | | |
270 | CAPTURE_2_FROM_AC97_1, | |
976cd627 | 271 | .dac_channels = 8, |
193e8138 CL |
272 | .dac_volume_min = 0, |
273 | .dac_volume_max = 255, | |
87eedd2f CL |
274 | .function_flags = OXYGEN_FUNCTION_SPI | |
275 | OXYGEN_FUNCTION_ENABLE_SPI_4_5, | |
05855ba3 CL |
276 | .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, |
277 | .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, | |
d0ce9946 CL |
278 | }; |
279 | static const struct oxygen_model model_meridian = { | |
280 | .shortname = "C-Media CMI8788", | |
281 | .longname = "C-Media Oxygen HD Audio", | |
282 | .chip = "CMI8788", | |
283 | .owner = THIS_MODULE, | |
284 | .init = meridian_init, | |
285 | .cleanup = generic_cleanup, | |
286 | .set_dac_params = set_ak4396_params, | |
287 | .set_adc_params = set_ak5385_params, | |
288 | .update_dac_volume = update_ak4396_volume, | |
289 | .update_dac_mute = update_ak4396_mute, | |
4972a177 | 290 | .dac_tlv = ak4396_db_scale, |
7ef37cd9 | 291 | .model_data_size = sizeof(struct generic_data), |
f009ad9b CL |
292 | .pcm_dev_cfg = PLAYBACK_0_TO_I2S | |
293 | PLAYBACK_1_TO_SPDIF | | |
294 | PLAYBACK_2_TO_AC97_1 | | |
295 | CAPTURE_0_FROM_I2S_2 | | |
296 | CAPTURE_1_FROM_SPDIF | | |
297 | CAPTURE_2_FROM_AC97_1, | |
976cd627 | 298 | .dac_channels = 8, |
193e8138 CL |
299 | .dac_volume_min = 0, |
300 | .dac_volume_max = 255, | |
db12b8e3 | 301 | .misc_flags = OXYGEN_MISC_MIDI, |
87eedd2f CL |
302 | .function_flags = OXYGEN_FUNCTION_SPI | |
303 | OXYGEN_FUNCTION_ENABLE_SPI_4_5, | |
05855ba3 CL |
304 | .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST, |
305 | .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST, | |
d0ce9946 CL |
306 | }; |
307 | ||
308 | static int __devinit generic_oxygen_probe(struct pci_dev *pci, | |
309 | const struct pci_device_id *pci_id) | |
310 | { | |
311 | static int dev; | |
cd93dc8c | 312 | int is_meridian; |
d0ce9946 CL |
313 | int err; |
314 | ||
315 | if (dev >= SNDRV_CARDS) | |
316 | return -ENODEV; | |
317 | if (!enable[dev]) { | |
318 | ++dev; | |
319 | return -ENOENT; | |
320 | } | |
cd93dc8c | 321 | is_meridian = pci_id->driver_data; |
db12b8e3 | 322 | err = oxygen_pci_probe(pci, index[dev], id[dev], |
cd93dc8c | 323 | is_meridian ? &model_meridian : &model_generic); |
d0ce9946 CL |
324 | if (err >= 0) |
325 | ++dev; | |
326 | return err; | |
327 | } | |
328 | ||
329 | static struct pci_driver oxygen_driver = { | |
330 | .name = "CMI8788", | |
331 | .id_table = oxygen_ids, | |
332 | .probe = generic_oxygen_probe, | |
333 | .remove = __devexit_p(oxygen_pci_remove), | |
334 | }; | |
335 | ||
336 | static int __init alsa_card_oxygen_init(void) | |
337 | { | |
338 | return pci_register_driver(&oxygen_driver); | |
339 | } | |
340 | ||
341 | static void __exit alsa_card_oxygen_exit(void) | |
342 | { | |
343 | pci_unregister_driver(&oxygen_driver); | |
344 | } | |
345 | ||
346 | module_init(alsa_card_oxygen_init) | |
347 | module_exit(alsa_card_oxygen_exit) |