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[linux-2.6-omap-h63xx.git] / 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 set_ak4396_params(struct oxygen *chip,
98                                struct snd_pcm_hw_params *params)
99 {
100         struct hifier_data *data = chip->model_data;
101         u8 value;
102
103         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
104         if (params_rate(params) <= 54000)
105                 value |= AK4396_DFS_NORMAL;
106         else if (params_rate(params) <= 108000)
107                 value |= AK4396_DFS_DOUBLE;
108         else
109                 value |= AK4396_DFS_QUAD;
110         data->ak4396_ctl2 = value;
111
112         msleep(1); /* wait for the new MCLK to become stable */
113
114         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
115         ak4396_write(chip, AK4396_CONTROL_2, value);
116         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
117 }
118
119 static void update_ak4396_mute(struct oxygen *chip)
120 {
121         struct hifier_data *data = chip->model_data;
122         u8 value;
123
124         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
125         if (chip->dac_mute)
126                 value |= AK4396_SMUTE;
127         data->ak4396_ctl2 = value;
128         ak4396_write(chip, AK4396_CONTROL_2, value);
129 }
130
131 static void set_cs5340_params(struct oxygen *chip,
132                               struct snd_pcm_hw_params *params)
133 {
134 }
135
136 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
137
138 static int hifier_control_filter(struct snd_kcontrol_new *template)
139 {
140         if (!strcmp(template->name, "Stereo Upmixing"))
141                 return 1; /* stereo only - we don't need upmixing */
142         return 0;
143 }
144
145 static const struct oxygen_model model_hifier = {
146         .shortname = "C-Media CMI8787",
147         .longname = "C-Media Oxygen HD Audio",
148         .chip = "CMI8788",
149         .owner = THIS_MODULE,
150         .init = hifier_init,
151         .control_filter = hifier_control_filter,
152         .cleanup = hifier_cleanup,
153         .resume = hifier_registers_init,
154         .set_dac_params = set_ak4396_params,
155         .set_adc_params = set_cs5340_params,
156         .update_dac_volume = update_ak4396_volume,
157         .update_dac_mute = update_ak4396_mute,
158         .dac_tlv = ak4396_db_scale,
159         .model_data_size = sizeof(struct hifier_data),
160         .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
161                        PLAYBACK_1_TO_SPDIF |
162                        CAPTURE_0_FROM_I2S_1,
163         .dac_channels = 2,
164         .dac_volume_min = 0,
165         .dac_volume_max = 255,
166         .function_flags = OXYGEN_FUNCTION_SPI,
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], &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 #ifdef CONFIG_PM
195         .suspend = oxygen_pci_suspend,
196         .resume = oxygen_pci_resume,
197 #endif
198 };
199
200 static int __init alsa_card_hifier_init(void)
201 {
202         return pci_register_driver(&hifier_driver);
203 }
204
205 static void __exit alsa_card_hifier_exit(void)
206 {
207         pci_unregister_driver(&hifier_driver);
208 }
209
210 module_init(alsa_card_hifier_init)
211 module_exit(alsa_card_hifier_exit)