[ALSA] add TempoTec HiFier driver
[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/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
29 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
30 MODULE_DESCRIPTION("TempoTec HiFier driver");
31 MODULE_LICENSE("GPL");
32
33 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
34 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
35 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
36
37 module_param_array(index, int, NULL, 0444);
38 MODULE_PARM_DESC(index, "card index");
39 module_param_array(id, charp, NULL, 0444);
40 MODULE_PARM_DESC(id, "ID string");
41 module_param_array(enable, bool, NULL, 0444);
42 MODULE_PARM_DESC(enable, "enable card");
43
44 static struct pci_device_id hifier_ids[] __devinitdata = {
45         { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
46         { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
47         { }
48 };
49 MODULE_DEVICE_TABLE(pci, hifier_ids);
50
51 struct hifier_data {
52         u8 ak4396_ctl2;
53 };
54
55 static 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 |
59                          OXYGEN_SPI_CLOCK_320 |
60                          (0 << OXYGEN_SPI_CODEC_SHIFT) |
61                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
62                          AK4396_WRITE | (reg << 8) | value);
63 }
64
65 static void hifier_init(struct oxygen *chip)
66 {
67         struct hifier_data *data = chip->model_data;
68
69         data->ak4396_ctl2 = AK4396_DEM_OFF | AK4396_DFS_NORMAL;
70         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
71         ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2);
72         ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
73         ak4396_write(chip, AK4396_LCH_ATT, 0xff);
74         ak4396_write(chip, AK4396_RCH_ATT, 0xff);
75
76         snd_component_add(chip->card, "AK4396");
77         snd_component_add(chip->card, "CS5340");
78 }
79
80 static void hifier_cleanup(struct oxygen *chip)
81 {
82 }
83
84 static void set_ak4396_params(struct oxygen *chip,
85                                struct snd_pcm_hw_params *params)
86 {
87         struct hifier_data *data = chip->model_data;
88         u8 value;
89
90         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
91         if (params_rate(params) <= 54000)
92                 value |= AK4396_DFS_NORMAL;
93         else if (params_rate(params) < 120000)
94                 value |= AK4396_DFS_DOUBLE;
95         else
96                 value |= AK4396_DFS_QUAD;
97         data->ak4396_ctl2 = value;
98         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
99         ak4396_write(chip, AK4396_CONTROL_2, value);
100         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
101 }
102
103 static void update_ak4396_volume(struct oxygen *chip)
104 {
105         ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
106         ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
107 }
108
109 static void update_ak4396_mute(struct oxygen *chip)
110 {
111         struct hifier_data *data = chip->model_data;
112         u8 value;
113
114         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
115         if (chip->dac_mute)
116                 value |= AK4396_SMUTE;
117         data->ak4396_ctl2 = value;
118         ak4396_write(chip, AK4396_CONTROL_2, value);
119 }
120
121 static void set_cs5340_params(struct oxygen *chip,
122                               struct snd_pcm_hw_params *params)
123 {
124 }
125
126 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
127
128 static int hifier_control_filter(struct snd_kcontrol_new *template)
129 {
130         if (!strcmp(template->name, "Master Playback Volume")) {
131                 template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
132                 template->tlv.p = ak4396_db_scale;
133         } else if (!strcmp(template->name, "Stereo Upmixing")) {
134                 return 1; /* stereo only - we don't need upmixing */
135         } else if (!strcmp(template->name,
136                            SNDRV_CTL_NAME_IEC958("", CAPTURE, MASK)) ||
137                    !strcmp(template->name,
138                            SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT))) {
139                 return 1; /* no digital input */
140         }
141         return 0;
142 }
143
144 static int hifier_mixer_init(struct oxygen *chip)
145 {
146         return 0;
147 }
148
149 static const struct oxygen_model model_hifier = {
150         .shortname = "C-Media CMI8787",
151         .longname = "C-Media Oxygen HD Audio",
152         .chip = "CMI8788",
153         .init = hifier_init,
154         .control_filter = hifier_control_filter,
155         .mixer_init = hifier_mixer_init,
156         .cleanup = hifier_cleanup,
157         .set_dac_params = set_ak4396_params,
158         .set_adc_params = set_cs5340_params,
159         .update_dac_volume = update_ak4396_volume,
160         .update_dac_mute = update_ak4396_mute,
161         .model_data_size = sizeof(struct hifier_data),
162         .dac_channels = 2,
163         .used_channels = OXYGEN_CHANNEL_A |
164                          OXYGEN_CHANNEL_SPDIF |
165                          OXYGEN_CHANNEL_MULTICH,
166         .function_flags = 0,
167         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
168         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
169 };
170
171 static int __devinit hifier_probe(struct pci_dev *pci,
172                                   const struct pci_device_id *pci_id)
173 {
174         static int dev;
175         int err;
176
177         if (dev >= SNDRV_CARDS)
178                 return -ENODEV;
179         if (!enable[dev]) {
180                 ++dev;
181                 return -ENOENT;
182         }
183         err = oxygen_pci_probe(pci, index[dev], id[dev], 0, &model_hifier);
184         if (err >= 0)
185                 ++dev;
186         return err;
187 }
188
189 static struct pci_driver hifier_driver = {
190         .name = "CMI8787HiFier",
191         .id_table = hifier_ids,
192         .probe = hifier_probe,
193         .remove = __devexit_p(oxygen_pci_remove),
194 };
195
196 static int __init alsa_card_hifier_init(void)
197 {
198         return pci_register_driver(&hifier_driver);
199 }
200
201 static void __exit alsa_card_hifier_exit(void)
202 {
203         pci_unregister_driver(&hifier_driver);
204 }
205
206 module_init(alsa_card_hifier_init)
207 module_exit(alsa_card_hifier_exit)