[ARM] S3C24XX: Split timer pending code out
[linux-2.6/openmoko-kernel.git] / sound / pci / oxygen / oxygen.c
blobb60f6212745a9ad6506e147697c23d8d17212df0
1 /*
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)
24 * SPI 3 -> WM8785
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>
41 #include "oxygen.h"
42 #include "ak4396.h"
43 #include "wm8785.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");
61 enum {
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 },
77 { }
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
87 struct generic_data {
88 u8 ak4396_ctl2;
89 u16 saved_wm8785_registers[2];
92 static void ak4396_write(struct oxygen *chip, unsigned int codec,
93 u8 reg, u8 value)
95 /* maps ALSA channel pair number to SPI output */
96 static const u8 codec_spi_map[4] = {
97 0, 1, 2, 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,
116 (reg << 9) | value);
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)
123 unsigned int i;
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;
136 unsigned int i;
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)
187 ak4396_init(chip);
188 wm8785_init(chip);
191 static void meridian_init(struct oxygen *chip)
193 ak4396_init(chip);
194 ak5385_init(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;
216 unsigned int i;
217 u8 value;
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;
224 else
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;
243 unsigned int i;
244 u8 value;
246 value = data->ak4396_ctl2 & ~AK4396_SMUTE;
247 if (chip->dac_mute)
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)
257 unsigned int value;
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;
266 else
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;
272 else
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)
280 unsigned int value;
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;
286 else
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;
307 return 0;
310 static const struct oxygen_model model_generic = {
311 .shortname = "C-Media CMI8788",
312 .longname = "C-Media Oxygen HD Audio",
313 .chip = "CMI8788",
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,
331 .dac_channels = 8,
332 .dac_volume_min = 0,
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)
343 static int dev;
344 int err;
346 if (dev >= SNDRV_CARDS)
347 return -ENODEV;
348 if (!enable[dev]) {
349 ++dev;
350 return -ENOENT;
352 err = oxygen_pci_probe(pci, index[dev], id[dev],
353 &model_generic, pci_id->driver_data);
354 if (err >= 0)
355 ++dev;
356 return err;
359 static struct pci_driver oxygen_driver = {
360 .name = "CMI8788",
361 .id_table = oxygen_ids,
362 .probe = generic_oxygen_probe,
363 .remove = __devexit_p(oxygen_pci_remove),
364 #ifdef CONFIG_PM
365 .suspend = oxygen_pci_suspend,
366 .resume = oxygen_pci_resume,
367 #endif
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)