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
)