SAFE public projects git trees. - safe/jmp/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/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         { OXYGEN_PCI_SUBID_BROKEN_EEPROM },
  49         { }
  50 };
  51 MODULE_DEVICE_TABLE(pci, hifier_ids);
  52
  53 struct hifier_data {
  54         u8 ak4396_ctl2;
  55 };
  56
  57 static void ak4396_write(struct oxygen *chip, u8 reg, u8 value)
  58 {
  59         oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
  60                          OXYGEN_SPI_DATA_LENGTH_2 |
  61                          OXYGEN_SPI_CLOCK_160 |
  62                          (0 << OXYGEN_SPI_CODEC_SHIFT) |
  63                          OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
  64                          AK4396_WRITE | (reg << 8) | value);
  65 }
  66
  67 static void update_ak4396_volume(struct oxygen *chip)
  68 {
  69         ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
  70         ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
  71 }
  72
  73 static void hifier_registers_init(struct oxygen *chip)
  74 {
  75         struct hifier_data *data = chip->model_data;
  76
  77         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
  78         ak4396_write(chip, AK4396_CONTROL_2, data->ak4396_ctl2);
  79         ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
  80         update_ak4396_volume(chip);
  81 }
  82
  83 static void hifier_init(struct oxygen *chip)
  84 {
  85         struct hifier_data *data = chip->model_data;
  86
  87         data->ak4396_ctl2 = AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
  88         hifier_registers_init(chip);
  89
  90         snd_component_add(chip->card, "AK4396");
  91         snd_component_add(chip->card, "CS5340");
  92 }
  93
  94 static void hifier_cleanup(struct oxygen *chip)
  95 {
  96 }
  97
  98 static void hifier_resume(struct oxygen *chip)
  99 {
 100         hifier_registers_init(chip);
 101 }
 102
 103 static void set_ak4396_params(struct oxygen *chip,
 104                                struct snd_pcm_hw_params *params)
 105 {
 106         struct hifier_data *data = chip->model_data;
 107         u8 value;
 108
 109         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
 110         if (params_rate(params) <= 54000)
 111                 value |= AK4396_DFS_NORMAL;
 112         else if (params_rate(params) <= 108000)
 113                 value |= AK4396_DFS_DOUBLE;
 114         else
 115                 value |= AK4396_DFS_QUAD;
 116         data->ak4396_ctl2 = value;
 117
 118         msleep(1); /* wait for the new MCLK to become stable */
 119
 120         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
 121         ak4396_write(chip, AK4396_CONTROL_2, value);
 122         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
 123 }
 124
 125 static void update_ak4396_mute(struct oxygen *chip)
 126 {
 127         struct hifier_data *data = chip->model_data;
 128         u8 value;
 129
 130         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
 131         if (chip->dac_mute)
 132                 value |= AK4396_SMUTE;
 133         data->ak4396_ctl2 = value;
 134         ak4396_write(chip, AK4396_CONTROL_2, value);
 135 }
 136
 137 static void set_cs5340_params(struct oxygen *chip,
 138                               struct snd_pcm_hw_params *params)
 139 {
 140 }
 141
 142 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 143
 144 static const struct oxygen_model model_hifier = {
 145         .shortname = "C-Media CMI8787",
 146         .longname = "C-Media Oxygen HD Audio",
 147         .chip = "CMI8788",
 148         .init = hifier_init,
 149         .cleanup = hifier_cleanup,
 150         .resume = hifier_resume,
 151         .set_dac_params = set_ak4396_params,
 152         .set_adc_params = set_cs5340_params,
 153         .update_dac_volume = update_ak4396_volume,
 154         .update_dac_mute = update_ak4396_mute,
 155         .dac_tlv = ak4396_db_scale,
 156         .model_data_size = sizeof(struct hifier_data),
 157         .device_config = PLAYBACK_0_TO_I2S |
 158                          PLAYBACK_1_TO_SPDIF |
 159                          CAPTURE_0_FROM_I2S_1,
 160         .dac_channels = 2,
 161         .dac_volume_min = 0,
 162         .dac_volume_max = 255,
 163         .function_flags = OXYGEN_FUNCTION_SPI,
 164         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 165         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 166 };
 167
 168 static int __devinit get_hifier_model(struct oxygen *chip,
 169                                       const struct pci_device_id *id)
 170 {
 171         chip->model = model_hifier;
 172         return 0;
 173 }
 174
 175 static int __devinit hifier_probe(struct pci_dev *pci,
 176                                   const struct pci_device_id *pci_id)
 177 {
 178         static int dev;
 179         int err;
 180
 181         if (dev >= SNDRV_CARDS)
 182                 return -ENODEV;
 183         if (!enable[dev]) {
 184                 ++dev;
 185                 return -ENOENT;
 186         }
 187         err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
 188                                hifier_ids, get_hifier_model);
 189         if (err >= 0)
 190                 ++dev;
 191         return err;
 192 }
 193
 194 static 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
 205 static int __init alsa_card_hifier_init(void)
 206 {
 207         return pci_register_driver(&hifier_driver);
 208 }
 209
 210 static void __exit alsa_card_hifier_exit(void)
 211 {
 212         pci_unregister_driver(&hifier_driver);
 213 }
 214
 215 module_init(alsa_card_hifier_init)
 216 module_exit(alsa_card_hifier_exit)