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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
30MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
31MODULE_DESCRIPTION("TempoTec HiFier driver");
32MODULE_LICENSE("GPL v2");
33
34static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
35static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
36static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
37
38module_param_array(index, int, NULL, 0444);
39MODULE_PARM_DESC(index, "card index");
40module_param_array(id, charp, NULL, 0444);
41MODULE_PARM_DESC(id, "ID string");
42module_param_array(enable, bool, NULL, 0444);
43MODULE_PARM_DESC(enable, "enable card");
44
45static struct pci_device_id hifier_ids[] __devinitdata = {
46 { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
47 { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
48 { }
49};
50MODULE_DEVICE_TABLE(pci, hifier_ids);
51
52struct hifier_data {
53 u8 ak4396_ctl2;
54};
55
56static 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
66static 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
72static 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
82static 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
93static void hifier_cleanup(struct oxygen *chip)
94{
95}
96
97static void hifier_resume(struct oxygen *chip)
98{
99 hifier_registers_init(chip);
100}
101
102static 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);
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
124static 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
136static void set_cs5340_params(struct oxygen *chip,
137 struct snd_pcm_hw_params *params)
138{
139}
140
141static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
142
143static int hifier_control_filter(struct snd_kcontrol_new *template)
144{
145 if (!strcmp(template->name, "Stereo Upmixing"))
146 return 1;
147 return 0;
148}
149
150static 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
176static 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
194static 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
205static int __init alsa_card_hifier_init(void)
206{
207 return pci_register_driver(&hifier_driver);
208}
209
210static void __exit alsa_card_hifier_exit(void)
211{
212 pci_unregister_driver(&hifier_driver);
213}
214
215module_init(alsa_card_hifier_init)
216module_exit(alsa_card_hifier_exit)
217
