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/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         { }
  49 };
  50 MODULE_DEVICE_TABLE(pci, hifier_ids);
  51
  52 struct hifier_data {
  53         u8 ak4396_ctl2;
  54 };
  55
  56 static 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
  66 static 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
  72 static 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
  82 static 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
  93 static void hifier_cleanup(struct oxygen *chip)
  94 {
  95 }
  96
  97 static void set_ak4396_params(struct oxygen *chip,
  98                                struct snd_pcm_hw_params *params)
  99 {
 100         struct hifier_data *data = chip->model_data;
 101         u8 value;
 102
 103         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
 104         if (params_rate(params) <= 54000)
 105                 value |= AK4396_DFS_NORMAL;
 106         else if (params_rate(params) <= 108000)
 107                 value |= AK4396_DFS_DOUBLE;
 108         else
 109                 value |= AK4396_DFS_QUAD;
 110         data->ak4396_ctl2 = value;
 111
 112         msleep(1); /* wait for the new MCLK to become stable */
 113
 114         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
 115         ak4396_write(chip, AK4396_CONTROL_2, value);
 116         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
 117 }
 118
 119 static void update_ak4396_mute(struct oxygen *chip)
 120 {
 121         struct hifier_data *data = chip->model_data;
 122         u8 value;
 123
 124         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
 125         if (chip->dac_mute)
 126                 value |= AK4396_SMUTE;
 127         data->ak4396_ctl2 = value;
 128         ak4396_write(chip, AK4396_CONTROL_2, value);
 129 }
 130
 131 static void set_cs5340_params(struct oxygen *chip,
 132                               struct snd_pcm_hw_params *params)
 133 {
 134 }
 135
 136 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 137
 138 static int hifier_control_filter(struct snd_kcontrol_new *template)
 139 {
 140         if (!strcmp(template->name, "Stereo Upmixing"))
 141                 return 1; /* stereo only - we don't need upmixing */
 142         return 0;
 143 }
 144
 145 static const struct oxygen_model model_hifier = {
 146         .shortname = "C-Media CMI8787",
 147         .longname = "C-Media Oxygen HD Audio",
 148         .chip = "CMI8788",
 149         .owner = THIS_MODULE,
 150         .init = hifier_init,
 151         .control_filter = hifier_control_filter,
 152         .cleanup = hifier_cleanup,
 153         .resume = hifier_registers_init,
 154         .set_dac_params = set_ak4396_params,
 155         .set_adc_params = set_cs5340_params,
 156         .update_dac_volume = update_ak4396_volume,
 157         .update_dac_mute = update_ak4396_mute,
 158         .dac_tlv = ak4396_db_scale,
 159         .model_data_size = sizeof(struct hifier_data),
 160         .pcm_dev_cfg = PLAYBACK_0_TO_I2S |
 161                        PLAYBACK_1_TO_SPDIF |
 162                        CAPTURE_0_FROM_I2S_1,
 163         .dac_channels = 2,
 164         .dac_volume_min = 0,
 165         .dac_volume_max = 255,
 166         .function_flags = OXYGEN_FUNCTION_SPI,
 167         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 168         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 169 };
 170
 171 static int __devinit hifier_probe(struct pci_dev *pci,
 172                                   const struct pci_device_id *pci_id)
 173 {
 174         static int dev;
 175         int err;
 176
 177         if (dev >= SNDRV_CARDS)
 178                 return -ENODEV;
 179         if (!enable[dev]) {
 180                 ++dev;
 181                 return -ENOENT;
 182         }
 183         err = oxygen_pci_probe(pci, index[dev], id[dev], &model_hifier);
 184         if (err >= 0)
 185                 ++dev;
 186         return err;
 187 }
 188
 189 static struct pci_driver hifier_driver = {
 190         .name = "CMI8787HiFier",
 191         .id_table = hifier_ids,
 192         .probe = hifier_probe,
 193         .remove = __devexit_p(oxygen_pci_remove),
 194 #ifdef CONFIG_PM
 195         .suspend = oxygen_pci_suspend,
 196         .resume = oxygen_pci_resume,
 197 #endif
 198 };
 199
 200 static int __init alsa_card_hifier_init(void)
 201 {
 202         return pci_register_driver(&hifier_driver);
 203 }
 204
 205 static void __exit alsa_card_hifier_exit(void)
 206 {
 207         pci_unregister_driver(&hifier_driver);
 208 }
 209
 210 module_init(alsa_card_hifier_init)
 211 module_exit(alsa_card_hifier_exit)