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/delay.h>
32 #include <linux/mutex.h>
33 #include <linux/pci.h>
34 #include <sound/ac97_codec.h>
35 #include <sound/control.h>
36 #include <sound/core.h>
37 #include <sound/initval.h>
38 #include <sound/pcm.h>
39 #include <sound/pcm_params.h>
40 #include <sound/tlv.h>
45 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
46 MODULE_DESCRIPTION("C-Media CMI8788 driver");
47 MODULE_LICENSE("GPL v2");
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");
62 MODEL_CMEDIA_REF
, /* C-Media's reference design */
63 MODEL_MERIDIAN
, /* AuzenTech X-Meridian */
66 static struct pci_device_id oxygen_ids
[] __devinitdata
= {
67 { OXYGEN_PCI_SUBID(0x10b0, 0x0216), .driver_data
= MODEL_CMEDIA_REF
},
68 { OXYGEN_PCI_SUBID(0x10b0, 0x0218), .driver_data
= MODEL_CMEDIA_REF
},
69 { OXYGEN_PCI_SUBID(0x10b0, 0x0219), .driver_data
= MODEL_CMEDIA_REF
},
70 { OXYGEN_PCI_SUBID(0x13f6, 0x0001), .driver_data
= MODEL_CMEDIA_REF
},
71 { OXYGEN_PCI_SUBID(0x13f6, 0x0010), .driver_data
= MODEL_CMEDIA_REF
},
72 { OXYGEN_PCI_SUBID(0x13f6, 0x8788), .driver_data
= MODEL_CMEDIA_REF
},
73 { OXYGEN_PCI_SUBID(0x147a, 0xa017), .driver_data
= MODEL_CMEDIA_REF
},
74 { OXYGEN_PCI_SUBID(0x1a58, 0x0910), .driver_data
= MODEL_CMEDIA_REF
},
75 { OXYGEN_PCI_SUBID(0x415a, 0x5431), .driver_data
= MODEL_MERIDIAN
},
76 { OXYGEN_PCI_SUBID(0x7284, 0x9761), .driver_data
= MODEL_CMEDIA_REF
},
79 MODULE_DEVICE_TABLE(pci
, oxygen_ids
);
82 #define GPIO_AK5385_DFS_MASK 0x0003
83 #define GPIO_AK5385_DFS_NORMAL 0x0000
84 #define GPIO_AK5385_DFS_DOUBLE 0x0001
85 #define GPIO_AK5385_DFS_QUAD 0x0002
89 u16 saved_wm8785_registers
[2];
92 static void ak4396_write(struct oxygen
*chip
, unsigned int codec
,
95 /* maps ALSA channel pair number to SPI output */
96 static const u8 codec_spi_map
[4] = {
99 oxygen_write_spi(chip
, OXYGEN_SPI_TRIGGER
|
100 OXYGEN_SPI_DATA_LENGTH_2
|
101 OXYGEN_SPI_CLOCK_160
|
102 (codec_spi_map
[codec
] << OXYGEN_SPI_CODEC_SHIFT
) |
103 OXYGEN_SPI_CEN_LATCH_CLOCK_HI
,
104 AK4396_WRITE
| (reg
<< 8) | value
);
107 static void wm8785_write(struct oxygen
*chip
, u8 reg
, unsigned int value
)
109 struct generic_data
*data
= chip
->model_data
;
111 oxygen_write_spi(chip
, OXYGEN_SPI_TRIGGER
|
112 OXYGEN_SPI_DATA_LENGTH_2
|
113 OXYGEN_SPI_CLOCK_160
|
114 (3 << OXYGEN_SPI_CODEC_SHIFT
) |
115 OXYGEN_SPI_CEN_LATCH_CLOCK_LO
,
117 if (reg
< ARRAY_SIZE(data
->saved_wm8785_registers
))
118 data
->saved_wm8785_registers
[reg
] = value
;
121 static void update_ak4396_volume(struct oxygen
*chip
)
125 for (i
= 0; i
< 4; ++i
) {
126 ak4396_write(chip
, i
,
127 AK4396_LCH_ATT
, chip
->dac_volume
[i
* 2]);
128 ak4396_write(chip
, i
,
129 AK4396_RCH_ATT
, chip
->dac_volume
[i
* 2 + 1]);
133 static void ak4396_registers_init(struct oxygen
*chip
)
135 struct generic_data
*data
= chip
->model_data
;
138 for (i
= 0; i
< 4; ++i
) {
139 ak4396_write(chip
, i
,
140 AK4396_CONTROL_1
, AK4396_DIF_24_MSB
| AK4396_RSTN
);
141 ak4396_write(chip
, i
,
142 AK4396_CONTROL_2
, data
->ak4396_ctl2
);
143 ak4396_write(chip
, i
,
144 AK4396_CONTROL_3
, AK4396_PCM
);
146 update_ak4396_volume(chip
);
149 static void ak4396_init(struct oxygen
*chip
)
151 struct generic_data
*data
= chip
->model_data
;
153 data
->ak4396_ctl2
= AK4396_SMUTE
| AK4396_DEM_OFF
| AK4396_DFS_NORMAL
;
154 ak4396_registers_init(chip
);
155 snd_component_add(chip
->card
, "AK4396");
158 static void ak5385_init(struct oxygen
*chip
)
160 oxygen_set_bits16(chip
, OXYGEN_GPIO_CONTROL
, GPIO_AK5385_DFS_MASK
);
161 oxygen_clear_bits16(chip
, OXYGEN_GPIO_DATA
, GPIO_AK5385_DFS_MASK
);
162 snd_component_add(chip
->card
, "AK5385");
165 static void wm8785_registers_init(struct oxygen
*chip
)
167 struct generic_data
*data
= chip
->model_data
;
169 wm8785_write(chip
, WM8785_R7
, 0);
170 wm8785_write(chip
, WM8785_R0
, data
->saved_wm8785_registers
[0]);
171 wm8785_write(chip
, WM8785_R1
, data
->saved_wm8785_registers
[1]);
174 static void wm8785_init(struct oxygen
*chip
)
176 struct generic_data
*data
= chip
->model_data
;
178 data
->saved_wm8785_registers
[0] = WM8785_MCR_SLAVE
|
179 WM8785_OSR_SINGLE
| WM8785_FORMAT_LJUST
;
180 data
->saved_wm8785_registers
[1] = WM8785_WL_24
;
181 wm8785_registers_init(chip
);
182 snd_component_add(chip
->card
, "WM8785");
185 static void generic_init(struct oxygen
*chip
)
191 static void meridian_init(struct oxygen
*chip
)
197 static void generic_cleanup(struct oxygen
*chip
)
201 static void generic_resume(struct oxygen
*chip
)
203 ak4396_registers_init(chip
);
204 wm8785_registers_init(chip
);
207 static void meridian_resume(struct oxygen
*chip
)
209 ak4396_registers_init(chip
);
212 static void set_ak4396_params(struct oxygen
*chip
,
213 struct snd_pcm_hw_params
*params
)
215 struct generic_data
*data
= chip
->model_data
;
219 value
= data
->ak4396_ctl2
& ~AK4396_DFS_MASK
;
220 if (params_rate(params
) <= 54000)
221 value
|= AK4396_DFS_NORMAL
;
222 else if (params_rate(params
) <= 108000)
223 value
|= AK4396_DFS_DOUBLE
;
225 value
|= AK4396_DFS_QUAD
;
226 data
->ak4396_ctl2
= value
;
228 msleep(1); /* wait for the new MCLK to become stable */
230 for (i
= 0; i
< 4; ++i
) {
231 ak4396_write(chip
, i
,
232 AK4396_CONTROL_1
, AK4396_DIF_24_MSB
);
233 ak4396_write(chip
, i
,
234 AK4396_CONTROL_2
, value
);
235 ak4396_write(chip
, i
,
236 AK4396_CONTROL_1
, AK4396_DIF_24_MSB
| AK4396_RSTN
);
240 static void update_ak4396_mute(struct oxygen
*chip
)
242 struct generic_data
*data
= chip
->model_data
;
246 value
= data
->ak4396_ctl2
& ~AK4396_SMUTE
;
248 value
|= AK4396_SMUTE
;
249 data
->ak4396_ctl2
= value
;
250 for (i
= 0; i
< 4; ++i
)
251 ak4396_write(chip
, i
, AK4396_CONTROL_2
, value
);
254 static void set_wm8785_params(struct oxygen
*chip
,
255 struct snd_pcm_hw_params
*params
)
259 wm8785_write(chip
, WM8785_R7
, 0);
261 value
= WM8785_MCR_SLAVE
| WM8785_FORMAT_LJUST
;
262 if (params_rate(params
) <= 48000)
263 value
|= WM8785_OSR_SINGLE
;
264 else if (params_rate(params
) <= 96000)
265 value
|= WM8785_OSR_DOUBLE
;
267 value
|= WM8785_OSR_QUAD
;
268 wm8785_write(chip
, WM8785_R0
, value
);
270 if (snd_pcm_format_width(params_format(params
)) <= 16)
271 value
= WM8785_WL_16
;
273 value
= WM8785_WL_24
;
274 wm8785_write(chip
, WM8785_R1
, value
);
277 static void set_ak5385_params(struct oxygen
*chip
,
278 struct snd_pcm_hw_params
*params
)
282 if (params_rate(params
) <= 54000)
283 value
= GPIO_AK5385_DFS_NORMAL
;
284 else if (params_rate(params
) <= 108000)
285 value
= GPIO_AK5385_DFS_DOUBLE
;
287 value
= GPIO_AK5385_DFS_QUAD
;
288 oxygen_write16_masked(chip
, OXYGEN_GPIO_DATA
,
289 value
, GPIO_AK5385_DFS_MASK
);
292 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale
, TLV_DB_GAIN_MUTE
, 0);
294 static int generic_probe(struct oxygen
*chip
, unsigned long driver_data
)
296 if (driver_data
== MODEL_MERIDIAN
) {
297 chip
->model
.init
= meridian_init
;
298 chip
->model
.resume
= meridian_resume
;
299 chip
->model
.set_adc_params
= set_ak5385_params
;
300 chip
->model
.device_config
= PLAYBACK_0_TO_I2S
|
301 PLAYBACK_1_TO_SPDIF
|
302 CAPTURE_0_FROM_I2S_2
|
303 CAPTURE_1_FROM_SPDIF
;
304 chip
->model
.misc_flags
= OXYGEN_MISC_MIDI
;
305 chip
->model
.device_config
|= MIDI_OUTPUT
| MIDI_INPUT
;
310 static const struct oxygen_model model_generic
= {
311 .shortname
= "C-Media CMI8788",
312 .longname
= "C-Media Oxygen HD Audio",
314 .owner
= THIS_MODULE
,
315 .probe
= generic_probe
,
316 .init
= generic_init
,
317 .cleanup
= generic_cleanup
,
318 .resume
= generic_resume
,
319 .set_dac_params
= set_ak4396_params
,
320 .set_adc_params
= set_wm8785_params
,
321 .update_dac_volume
= update_ak4396_volume
,
322 .update_dac_mute
= update_ak4396_mute
,
323 .dac_tlv
= ak4396_db_scale
,
324 .model_data_size
= sizeof(struct generic_data
),
325 .device_config
= PLAYBACK_0_TO_I2S
|
326 PLAYBACK_1_TO_SPDIF
|
327 PLAYBACK_2_TO_AC97_1
|
328 CAPTURE_0_FROM_I2S_1
|
329 CAPTURE_1_FROM_SPDIF
|
330 CAPTURE_2_FROM_AC97_1
,
333 .dac_volume_max
= 255,
334 .function_flags
= OXYGEN_FUNCTION_SPI
|
335 OXYGEN_FUNCTION_ENABLE_SPI_4_5
,
336 .dac_i2s_format
= OXYGEN_I2S_FORMAT_LJUST
,
337 .adc_i2s_format
= OXYGEN_I2S_FORMAT_LJUST
,
340 static int __devinit
generic_oxygen_probe(struct pci_dev
*pci
,
341 const struct pci_device_id
*pci_id
)
346 if (dev
>= SNDRV_CARDS
)
352 err
= oxygen_pci_probe(pci
, index
[dev
], id
[dev
],
353 &model_generic
, pci_id
->driver_data
);
359 static struct pci_driver oxygen_driver
= {
361 .id_table
= oxygen_ids
,
362 .probe
= generic_oxygen_probe
,
363 .remove
= __devexit_p(oxygen_pci_remove
),
365 .suspend
= oxygen_pci_suspend
,
366 .resume
= oxygen_pci_resume
,
370 static int __init
alsa_card_oxygen_init(void)
372 return pci_register_driver(&oxygen_driver
);
375 static void __exit
alsa_card_oxygen_exit(void)
377 pci_unregister_driver(&oxygen_driver
);
380 module_init(alsa_card_oxygen_init
)
381 module_exit(alsa_card_oxygen_exit
)