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 v2");
  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 update_ak4396_volume(struct oxygen *chip)
  66 {
  67         ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
  68         ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
  69 }
  70
  71 static void hifier_init(struct oxygen *chip)
  72 {
  73         struct hifier_data *data = chip->model_data;
  74
  75         data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
  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         snd_component_add(chip->card, "AK4396");
  82         snd_component_add(chip->card, "CS5340");
  83 }
  84
  85 static void hifier_cleanup(struct oxygen *chip)
  86 {
  87 }
  88
  89 static void set_ak4396_params(struct oxygen *chip,
  90                                struct snd_pcm_hw_params *params)
  91 {
  92         struct hifier_data *data = chip->model_data;
  93         u8 value;
  94
  95         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
  96         if (params_rate(params) <= 54000)
  97                 value |= AK4396_DFS_NORMAL;
  98         else if (params_rate(params) <= 108000)
  99                 value |= AK4396_DFS_DOUBLE;
 100         else
 101                 value |= AK4396_DFS_QUAD;
 102         data->ak4396_ctl2 = value;
 103         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
 104         ak4396_write(chip, AK4396_CONTROL_2, value);
 105         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
 106 }
 107
 108 static void update_ak4396_mute(struct oxygen *chip)
 109 {
 110         struct hifier_data *data = chip->model_data;
 111         u8 value;
 112
 113         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
 114         if (chip->dac_mute)
 115                 value |= AK4396_SMUTE;
 116         data->ak4396_ctl2 = value;
 117         ak4396_write(chip, AK4396_CONTROL_2, value);
 118 }
 119
 120 static void set_cs5340_params(struct oxygen *chip,
 121                               struct snd_pcm_hw_params *params)
 122 {
 123 }
 124
 125 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 126
 127 static int hifier_control_filter(struct snd_kcontrol_new *template)
 128 {
 129         if (!strcmp(template->name, "Stereo Upmixing"))
 130                 return 1; /* stereo only - we don't need upmixing */
 131         return 0;
 132 }
 133
 134 static const struct oxygen_model model_hifier = {
 135         .shortname = "C-Media CMI8787",
 136         .longname = "C-Media Oxygen HD Audio",
 137         .chip = "CMI8788",
 138         .owner = THIS_MODULE,
 139         .init = hifier_init,
 140         .control_filter = hifier_control_filter,
 141         .cleanup = hifier_cleanup,
 142         .set_dac_params = set_ak4396_params,
 143         .set_adc_params = set_cs5340_params,
 144         .update_dac_volume = update_ak4396_volume,
 145         .update_dac_mute = update_ak4396_mute,
 146         .dac_tlv = ak4396_db_scale,
 147         .model_data_size = sizeof(struct hifier_data),
 148         .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
 149                        PLAYBACK_1_TO_SPDIF |
 150                        CAPTURE_0_FROM_I2S_1,
 151         .dac_channels = 2,
 152         .dac_volume_min = 0,
 153         .dac_volume_max = 255,
 154         .function_flags = OXYGEN_FUNCTION_SPI,
 155         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 156         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 157 };
 158
 159 static int __devinit hifier_probe(struct pci_dev *pci,
 160                                   const struct pci_device_id *pci_id)
 161 {
 162         static int dev;
 163         int err;
 164
 165         if (dev >= SNDRV_CARDS)
 166                 return -ENODEV;
 167         if (!enable[dev]) {
 168                 ++dev;
 169                 return -ENOENT;
 170         }
 171         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_hifier);
 172         if (err >= 0)
 173                 ++dev;
 174         return err;
 175 }
 176
 177 static struct pci_driver hifier_driver = {
 178         .name = "CMI8787HiFier",
 179         .id_table = hifier_ids,
 180         .probe = hifier_probe,
 181         .remove = __devexit_p(oxygen_pci_remove),
 182 };
 183
 184 static int __init alsa_card_hifier_init(void)
 185 {
 186         return pci_register_driver(&hifier_driver);
 187 }
 188
 189 static void __exit alsa_card_hifier_exit(void)
 190 {
 191         pci_unregister_driver(&hifier_driver);
 192 }
 193
 194 module_init(alsa_card_hifier_init)
 195 module_exit(alsa_card_hifier_exit)