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 { OXYGEN_PCI_SUBID_BROKEN_EEPROM },
49 { }
50 };
51 MODULE_DEVICE_TABLE(pci, hifier_ids);
52
53 struct hifier_data {
54 u8 ak4396_ctl2;
55 };
56
57 static void ak4396_write(struct oxygen *chip, u8 reg, u8 value)
58 {
59 oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
60 OXYGEN_SPI_DATA_LENGTH_2 |
61 OXYGEN_SPI_CLOCK_160 |
62 (0 << OXYGEN_SPI_CODEC_SHIFT) |
63 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
64 AK4396_WRITE | (reg << 8) | value);
65 }
66
67 static void update_ak4396_volume(struct oxygen *chip)
68 {
69 ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
70 ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
71 }
72
73 static void hifier_registers_init(struct oxygen *chip)
74 {
75 struct hifier_data *data = chip->model_data;
76
77 ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
78 ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2);
79 ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
80 update_ak4396_volume(chip);
81 }
82
83 static void hifier_init(struct oxygen *chip)
84 {
85 struct hifier_data *data = chip->model_data;
86
87 data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
88 hifier_registers_init(chip);
89
90 snd_component_add(chip->card, "AK4396");
91 snd_component_add(chip->card, "CS5340");
92 }
93
94 static void hifier_cleanup(struct oxygen *chip)
95 {
96 }
97
98 static void hifier_resume(struct oxygen *chip)
99 {
100 hifier_registers_init(chip);
101 }
102
103 static void set_ak4396_params(struct oxygen *chip,
104 struct snd_pcm_hw_params *params)
105 {
106 struct hifier_data *data = chip->model_data;
107 u8 value;
108
109 value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
110 if (params_rate(params) <= 54000)
111 value |= AK4396_DFS_NORMAL;
112 else if (params_rate(params) <= 108000)
113 value |= AK4396_DFS_DOUBLE;
114 else
115 value |= AK4396_DFS_QUAD;
116 data->ak4396_ctl2 = value;
117
118 msleep(1); /* wait for the new MCLK to become stable */
119
120 ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
121 ak4396_write(chip, AK4396_CONTROL_2, value);
122 ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
123 }
124
125 static void update_ak4396_mute(struct oxygen *chip)
126 {
127 struct hifier_data *data = chip->model_data;
128 u8 value;
129
130 value = data->ak4396_ctl2 & ~AK4396_SMUTE;
131 if (chip->dac_mute)
132 value |= AK4396_SMUTE;
133 data->ak4396_ctl2 = value;
134 ak4396_write(chip, AK4396_CONTROL_2, value);
135 }
136
137 static void set_cs5340_params(struct oxygen *chip,
138 struct snd_pcm_hw_params *params)
139 {
140 }
141
142 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
143
144 static int hifier_control_filter(struct snd_kcontrol_new *template)
145 {
146 if (!strcmp(template->name, "Stereo Upmixing"))
147 return 1; /* stereo only - we don't need upmixing */
148 return 0;
149 }
150
151 static const struct oxygen_model model_hifier = {
152 .shortname = "C-Media CMI8787",
153 .longname = "C-Media Oxygen HD Audio",
154 .chip = "CMI8788",
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 get_hifier_model(struct oxygen *chip,
177 const struct pci_device_id *id)
178 {
179 chip->model = model_hifier;
180 return 0;
181 }
182
183 static int __devinit hifier_probe(struct pci_dev *pci,
184 const struct pci_device_id *pci_id)
185 {
186 static int dev;
187 int err;
188
189 if (dev >= SNDRV_CARDS)
190 return -ENODEV;
191 if (!enable[dev]) {
192 ++dev;
193 return -ENOENT;
194 }
195 err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
196 hifier_ids, get_hifier_model);
197 if (err >= 0)
198 ++dev;
199 return err;
200 }
201
202 static struct pci_driver hifier_driver = {
203 .name = "CMI8787HiFier",
204 .id_table = hifier_ids,
205 .probe = hifier_probe,
206 .remove = __devexit_p(oxygen_pci_remove),
207 #ifdef CONFIG_PM
208 .suspend = oxygen_pci_suspend,
209 .resume = oxygen_pci_resume,
210 #endif
211 };
212
213 static int __init alsa_card_hifier_init(void)
214 {
215 return pci_register_driver(&hifier_driver);
216 }
217
218 static void __exit alsa_card_hifier_exit(void)
219 {
220 pci_unregister_driver(&hifier_driver);
221 }
222
223 module_init(alsa_card_hifier_init)
224 module_exit(alsa_card_hifier_exit)
225
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