git.oblomov.eu Git - linux-2.6/blob - 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_160 |
  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_SMUTE | 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, 0);
  74         ak4396_write(chip, AK4396_RCH_ATT, 0);
  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) <= 108000)
  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, "Stereo Upmixing"))
 131                 return 1; /* stereo only - we don't need upmixing */
 132         return 0;
 133 }
 134
 135 static const struct oxygen_model model_hifier = {
 136         .shortname = "C-Media CMI8787",
 137         .longname = "C-Media Oxygen HD Audio",
 138         .chip = "CMI8788",
 139         .owner = THIS_MODULE,
 140         .init = hifier_init,
 141         .control_filter = hifier_control_filter,
 142         .cleanup = hifier_cleanup,
 143         .set_dac_params = set_ak4396_params,
 144         .set_adc_params = set_cs5340_params,
 145         .update_dac_volume = update_ak4396_volume,
 146         .update_dac_mute = update_ak4396_mute,
 147         .dac_tlv = ak4396_db_scale,
 148         .model_data_size = sizeof(struct hifier_data),
 149         .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
 150                        PLAYBACK_1_TO_SPDIF |
 151                        CAPTURE_0_FROM_I2S_1,
 152         .dac_channels = 2,
 153         .dac_volume_min = 0,
 154         .dac_volume_max = 255,
 155         .function_flags = OXYGEN_FUNCTION_SPI,
 156         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 157         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 158 };
 159
 160 static int __devinit hifier_probe(struct pci_dev *pci,
 161                                   const struct pci_device_id *pci_id)
 162 {
 163         static int dev;
 164         int err;
 165
 166         if (dev >= SNDRV_CARDS)
 167                 return -ENODEV;
 168         if (!enable[dev]) {
 169                 ++dev;
 170                 return -ENOENT;
 171         }
 172         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_hifier);
 173         if (err >= 0)
 174                 ++dev;
 175         return err;
 176 }
 177
 178 static struct pci_driver hifier_driver = {
 179         .name = "CMI8787HiFier",
 180         .id_table = hifier_ids,
 181         .probe = hifier_probe,
 182         .remove = __devexit_p(oxygen_pci_remove),
 183 };
 184
 185 static int __init alsa_card_hifier_init(void)
 186 {
 187         return pci_register_driver(&hifier_driver);
 188 }
 189
 190 static void __exit alsa_card_hifier_exit(void)
 191 {
 192         pci_unregister_driver(&hifier_driver);
 193 }
 194
 195 module_init(alsa_card_hifier_init)
 196 module_exit(alsa_card_hifier_exit)