Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
[linux-2.6-block.git] / sound / pci / oxygen / hifier.c
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1/*
2 * C-Media CMI8788 driver for the MediaTek/TempoTec HiFier Fantasia
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#include <linux/pci.h>
21#include <sound/control.h>
22#include <sound/core.h>
23#include <sound/initval.h>
24#include <sound/pcm.h>
25#include <sound/tlv.h>
26#include "oxygen.h"
27#include "ak4396.h"
28
29MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
30MODULE_DESCRIPTION("TempoTec HiFier driver");
d023dc0a 31MODULE_LICENSE("GPL v2");
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32
33static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
34static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
35static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
36
37module_param_array(index, int, NULL, 0444);
38MODULE_PARM_DESC(index, "card index");
39module_param_array(id, charp, NULL, 0444);
40MODULE_PARM_DESC(id, "ID string");
41module_param_array(enable, bool, NULL, 0444);
42MODULE_PARM_DESC(enable, "enable card");
43
44static struct pci_device_id hifier_ids[] __devinitdata = {
45 { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
46 { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
47 { }
48};
49MODULE_DEVICE_TABLE(pci, hifier_ids);
50
51struct hifier_data {
52 u8 ak4396_ctl2;
53};
54
55static void ak4396_write(struct oxygen *chip, u8 reg, u8 value)
56{
57 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
58 OXYGEN_SPI_DATA_LENGTH_2 |
2ea85986 59 OXYGEN_SPI_CLOCK_160 |
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60 (0 << OXYGEN_SPI_CODEC_SHIFT) |
61 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
62 AK4396_WRITE | (reg << 8) | value);
63}
64
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65static void update_ak4396_volume(struct oxygen *chip)
66{
67 ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
68 ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
69}
70
75146fc0 71static void hifier_registers_init(struct oxygen *chip)
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72{
73 struct hifier_data *data = chip->model_data;
74
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75 ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
76 ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2);
77 ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
bbbfb552 78 update_ak4396_volume(chip);
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79}
80
81static void hifier_init(struct oxygen *chip)
82{
83 struct hifier_data *data = chip->model_data;
84
85 data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
86 hifier_registers_init(chip);
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87
88 snd_component_add(chip->card, "AK4396");
89 snd_component_add(chip->card, "CS5340");
90}
91
92static void hifier_cleanup(struct oxygen *chip)
93{
94}
95
96static void set_ak4396_params(struct oxygen *chip,
97 struct snd_pcm_hw_params *params)
98{
99 struct hifier_data *data = chip->model_data;
100 u8 value;
101
102 value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
103 if (params_rate(params) <= 54000)
104 value |= AK4396_DFS_NORMAL;
236c4920 105 else if (params_rate(params) <= 108000)
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106 value |= AK4396_DFS_DOUBLE;
107 else
108 value |= AK4396_DFS_QUAD;
109 data->ak4396_ctl2 = value;
110 ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
111 ak4396_write(chip, AK4396_CONTROL_2, value);
112 ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
113}
114
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115static void update_ak4396_mute(struct oxygen *chip)
116{
117 struct hifier_data *data = chip->model_data;
118 u8 value;
119
120 value = data->ak4396_ctl2 & ~AK4396_SMUTE;
121 if (chip->dac_mute)
122 value |= AK4396_SMUTE;
123 data->ak4396_ctl2 = value;
124 ak4396_write(chip, AK4396_CONTROL_2, value);
125}
126
127static void set_cs5340_params(struct oxygen *chip,
128 struct snd_pcm_hw_params *params)
129{
130}
131
132static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
133
134static int hifier_control_filter(struct snd_kcontrol_new *template)
135{
4972a177 136 if (!strcmp(template->name, "Stereo Upmixing"))
c626026d 137 return 1; /* stereo only - we don't need upmixing */
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138 return 0;
139}
140
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141static const struct oxygen_model model_hifier = {
142 .shortname = "C-Media CMI8787",
143 .longname = "C-Media Oxygen HD Audio",
144 .chip = "CMI8788",
b930b9f4 145 .owner = THIS_MODULE,
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146 .init = hifier_init,
147 .control_filter = hifier_control_filter,
c626026d 148 .cleanup = hifier_cleanup,
4a4bc53b 149 .resume = hifier_registers_init,
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150 .set_dac_params = set_ak4396_params,
151 .set_adc_params = set_cs5340_params,
152 .update_dac_volume = update_ak4396_volume,
153 .update_dac_mute = update_ak4396_mute,
4972a177 154 .dac_tlv = ak4396_db_scale,
c626026d 155 .model_data_size = sizeof(struct hifier_data),
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156 .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
157 PLAYBACK_1_TO_SPDIF |
158 CAPTURE_0_FROM_I2S_1,
c626026d 159 .dac_channels = 2,
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160 .dac_volume_min = 0,
161 .dac_volume_max = 255,
87eedd2f 162 .function_flags = OXYGEN_FUNCTION_SPI,
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163 .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
164 .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
165};
166
167static int __devinit hifier_probe(struct pci_dev *pci,
168 const struct pci_device_id *pci_id)
169{
170 static int dev;
171 int err;
172
173 if (dev >= SNDRV_CARDS)
174 return -ENODEV;
175 if (!enable[dev]) {
176 ++dev;
177 return -ENOENT;
178 }
db12b8e3 179 err = oxygen_pci_probe(pci, index[dev], id[dev], &model_hifier);
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180 if (err >= 0)
181 ++dev;
182 return err;
183}
184
185static struct pci_driver hifier_driver = {
186 .name = "CMI8787HiFier",
187 .id_table = hifier_ids,
188 .probe = hifier_probe,
189 .remove = __devexit_p(oxygen_pci_remove),
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190#ifdef CONFIG_PM
191 .suspend = oxygen_pci_suspend,
192 .resume = oxygen_pci_resume,
193#endif
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194};
195
196static int __init alsa_card_hifier_init(void)
197{
198 return pci_register_driver(&hifier_driver);
199}
200
201static void __exit alsa_card_hifier_exit(void)
202{
203 pci_unregister_driver(&hifier_driver);
204}
205
206module_init(alsa_card_hifier_init)
207module_exit(alsa_card_hifier_exit)