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_registers_init(struct oxygen *chip)
  72 {
  73         struct hifier_data *data = chip->model_data;
  74
  75         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
  76         ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2);
  77         ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
  78         update_ak4396_volume(chip);
  79 }
  80
  81 static void hifier_init(struct oxygen *chip)
  82 {
  83         struct hifier_data *data = chip->model_data;
  84
  85         data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
  86         hifier_registers_init(chip);
  87
  88         snd_component_add(chip->card, "AK4396");
  89         snd_component_add(chip->card, "CS5340");
  90 }
  91
  92 static void hifier_cleanup(struct oxygen *chip)
  93 {
  94 }
  95
  96 static void set_ak4396_params(struct oxygen *chip,
  97                                struct snd_pcm_hw_params *params)
  98 {
  99         struct hifier_data *data = chip->model_data;
 100         u8 value;
 101
 102         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
 103         if (params_rate(params) <= 54000)
 104                 value |= AK4396_DFS_NORMAL;
 105         else if (params_rate(params) <= 108000)
 106                 value |= AK4396_DFS_DOUBLE;
 107         else
 108                 value |= AK4396_DFS_QUAD;
 109         data->ak4396_ctl2 = value;
 110         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
 111         ak4396_write(chip, AK4396_CONTROL_2, value);
 112         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
 113 }
 114
 115 static void update_ak4396_mute(struct oxygen *chip)
 116 {
 117         struct hifier_data *data = chip->model_data;
 118         u8 value;
 119
 120         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
 121         if (chip->dac_mute)
 122                 value |= AK4396_SMUTE;
 123         data->ak4396_ctl2 = value;
 124         ak4396_write(chip, AK4396_CONTROL_2, value);
 125 }
 126
 127 static void set_cs5340_params(struct oxygen *chip,
 128                               struct snd_pcm_hw_params *params)
 129 {
 130 }
 131
 132 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 133
 134 static int hifier_control_filter(struct snd_kcontrol_new *template)
 135 {
 136         if (!strcmp(template->name, "Stereo Upmixing"))
 137                 return 1; /* stereo only - we don't need upmixing */
 138         return 0;
 139 }
 140
 141 static const struct oxygen_model model_hifier = {
 142         .shortname = "C-Media CMI8787",
 143         .longname = "C-Media Oxygen HD Audio",
 144         .chip = "CMI8788",
 145         .owner = THIS_MODULE,
 146         .init = hifier_init,
 147         .control_filter = hifier_control_filter,
 148         .cleanup = hifier_cleanup,
 149         .set_dac_params = set_ak4396_params,
 150         .set_adc_params = set_cs5340_params,
 151         .update_dac_volume = update_ak4396_volume,
 152         .update_dac_mute = update_ak4396_mute,
 153         .dac_tlv = ak4396_db_scale,
 154         .model_data_size = sizeof(struct hifier_data),
 155         .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
 156                        PLAYBACK_1_TO_SPDIF |
 157                        CAPTURE_0_FROM_I2S_1,
 158         .dac_channels = 2,
 159         .dac_volume_min = 0,
 160         .dac_volume_max = 255,
 161         .function_flags = OXYGEN_FUNCTION_SPI,
 162         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 163         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 164 };
 165
 166 static int __devinit hifier_probe(struct pci_dev *pci,
 167                                   const struct pci_device_id *pci_id)
 168 {
 169         static int dev;
 170         int err;
 171
 172         if (dev >= SNDRV_CARDS)
 173                 return -ENODEV;
 174         if (!enable[dev]) {
 175                 ++dev;
 176                 return -ENOENT;
 177         }
 178         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_hifier);
 179         if (err >= 0)
 180                 ++dev;
 181         return err;
 182 }
 183
 184 static struct pci_driver hifier_driver = {
 185         .name = "CMI8787HiFier",
 186         .id_table = hifier_ids,
 187         .probe = hifier_probe,
 188         .remove = __devexit_p(oxygen_pci_remove),
 189 };
 190
 191 static int __init alsa_card_hifier_init(void)
 192 {
 193         return pci_register_driver(&hifier_driver);
 194 }
 195
 196 static void __exit alsa_card_hifier_exit(void)
 197 {
 198         pci_unregister_driver(&hifier_driver);
 199 }
 200
 201 module_init(alsa_card_hifier_init)
 202 module_exit(alsa_card_hifier_exit)