Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6] / sound / pci / oxygen / hifier.c
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/delay.h>
21 #include <linux/pci.h>
22 #include <sound/control.h>
23 #include <sound/core.h>
24 #include <sound/initval.h>
25 #include <sound/pcm.h>
26 #include <sound/tlv.h>
27 #include "oxygen.h"
28 #include "ak4396.h"
29
30 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
31 MODULE_DESCRIPTION("TempoTec HiFier driver");
32 MODULE_LICENSE("GPL v2");
33
34 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
35 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
36 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
37
38 module_param_array(index, int, NULL, 0444);
39 MODULE_PARM_DESC(index, "card index");
40 module_param_array(id, charp, NULL, 0444);
41 MODULE_PARM_DESC(id, "ID string");
42 module_param_array(enable, bool, NULL, 0444);
43 MODULE_PARM_DESC(enable, "enable card");
44
45 static struct pci_device_id hifier_ids[] __devinitdata = {
46         { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
47         { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
48         { }
49 };
50 MODULE_DEVICE_TABLE(pci, hifier_ids);
51
52 struct hifier_data {
53         u8 ak4396_ctl2;
54 };
55
56 static void ak4396_write(struct oxygen *chip, u8 reg, u8 value)
57 {
58         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
59                          OXYGEN_SPI_DATA_LENGTH_2 |
60                          OXYGEN_SPI_CLOCK_160 |
61                          (0 << OXYGEN_SPI_CODEC_SHIFT) |
62                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
63                          AK4396_WRITE | (reg << 8) | value);
64 }
65
66 static void update_ak4396_volume(struct oxygen *chip)
67 {
68         ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
69         ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
70 }
71
72 static void hifier_registers_init(struct oxygen *chip)
73 {
74         struct hifier_data *data = chip->model_data;
75
76         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
77         ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2);
78         ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
79         update_ak4396_volume(chip);
80 }
81
82 static void hifier_init(struct oxygen *chip)
83 {
84         struct hifier_data *data = chip->model_data;
85
86         data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
87         hifier_registers_init(chip);
88
89         snd_component_add(chip->card, "AK4396");
90         snd_component_add(chip->card, "CS5340");
91 }
92
93 static void hifier_cleanup(struct oxygen *chip)
94 {
95 }
96
97 static void hifier_resume(struct oxygen *chip)
98 {
99         hifier_registers_init(chip);
100 }
101
102 static void set_ak4396_params(struct oxygen *chip,
103                                struct snd_pcm_hw_params *params)
104 {
105         struct hifier_data *data = chip->model_data;
106         u8 value;
107
108         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
109         if (params_rate(params) <= 54000)
110                 value |= AK4396_DFS_NORMAL;
111         else if (params_rate(params) <= 108000)
112                 value |= AK4396_DFS_DOUBLE;
113         else
114                 value |= AK4396_DFS_QUAD;
115         data->ak4396_ctl2 = value;
116
117         msleep(1); /* wait for the new MCLK to become stable */
118
119         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
120         ak4396_write(chip, AK4396_CONTROL_2, value);
121         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
122 }
123
124 static void update_ak4396_mute(struct oxygen *chip)
125 {
126         struct hifier_data *data = chip->model_data;
127         u8 value;
128
129         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
130         if (chip->dac_mute)
131                 value |= AK4396_SMUTE;
132         data->ak4396_ctl2 = value;
133         ak4396_write(chip, AK4396_CONTROL_2, value);
134 }
135
136 static void set_cs5340_params(struct oxygen *chip,
137                               struct snd_pcm_hw_params *params)
138 {
139 }
140
141 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
142
143 static int hifier_control_filter(struct snd_kcontrol_new *template)
144 {
145         if (!strcmp(template->name, "Stereo Upmixing"))
146                 return 1; /* stereo only - we don't need upmixing */
147         return 0;
148 }
149
150 static const struct oxygen_model model_hifier = {
151         .shortname = "C-Media CMI8787",
152         .longname = "C-Media Oxygen HD Audio",
153         .chip = "CMI8788",
154         .owner = THIS_MODULE,
155         .init = hifier_init,
156         .control_filter = hifier_control_filter,
157         .cleanup = hifier_cleanup,
158         .resume = hifier_resume,
159         .set_dac_params = set_ak4396_params,
160         .set_adc_params = set_cs5340_params,
161         .update_dac_volume = update_ak4396_volume,
162         .update_dac_mute = update_ak4396_mute,
163         .dac_tlv = ak4396_db_scale,
164         .model_data_size = sizeof(struct hifier_data),
165         .device_config = PLAYBACK_0_TO_I2S |
166                          PLAYBACK_1_TO_SPDIF |
167                          CAPTURE_0_FROM_I2S_1,
168         .dac_channels = 2,
169         .dac_volume_min = 0,
170         .dac_volume_max = 255,
171         .function_flags = OXYGEN_FUNCTION_SPI,
172         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
173         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
174 };
175
176 static int __devinit hifier_probe(struct pci_dev *pci,
177                                   const struct pci_device_id *pci_id)
178 {
179         static int dev;
180         int err;
181
182         if (dev >= SNDRV_CARDS)
183                 return -ENODEV;
184         if (!enable[dev]) {
185                 ++dev;
186                 return -ENOENT;
187         }
188         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_hifier, 0);
189         if (err >= 0)
190                 ++dev;
191         return err;
192 }
193
194 static struct pci_driver hifier_driver = {
195         .name = "CMI8787HiFier",
196         .id_table = hifier_ids,
197         .probe = hifier_probe,
198         .remove = __devexit_p(oxygen_pci_remove),
199 #ifdef CONFIG_PM
200         .suspend = oxygen_pci_suspend,
201         .resume = oxygen_pci_resume,
202 #endif
203 };
204
205 static int __init alsa_card_hifier_init(void)
206 {
207         return pci_register_driver(&hifier_driver);
208 }
209
210 static void __exit alsa_card_hifier_exit(void)
211 {
212         pci_unregister_driver(&hifier_driver);
213 }
214
215 module_init(alsa_card_hifier_init)
216 module_exit(alsa_card_hifier_exit)