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         { }
  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 hifier_resume(struct oxygen *chip)
  98 {
  99         hifier_registers_init(chip);
 100 }
 101
 102 static void set_ak4396_params(struct oxygen *chip,
 103                                struct snd_pcm_hw_params *params)
 104 {
 105         struct hifier_data *data = chip->model_data;
 106         u8 value;
 107
 108         value = data->ak4396_ctl2 & ~AK4396_DFS_MASK;
 109         if (params_rate(params) <= 54000)
 110                 value |= AK4396_DFS_NORMAL;
 111         else if (params_rate(params) <= 108000)
 112                 value |= AK4396_DFS_DOUBLE;
 113         else
 114                 value |= AK4396_DFS_QUAD;
 115         data->ak4396_ctl2 = value;
 116
 117         msleep(1); /* wait for the new MCLK to become stable */
 118
 119         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB);
 120         ak4396_write(chip, AK4396_CONTROL_2, value);
 121         ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
 122 }
 123
 124 static void update_ak4396_mute(struct oxygen *chip)
 125 {
 126         struct hifier_data *data = chip->model_data;
 127         u8 value;
 128
 129         value = data->ak4396_ctl2 & ~AK4396_SMUTE;
 130         if (chip->dac_mute)
 131                 value |= AK4396_SMUTE;
 132         data->ak4396_ctl2 = value;
 133         ak4396_write(chip, AK4396_CONTROL_2, value);
 134 }
 135
 136 static void set_cs5340_params(struct oxygen *chip,
 137                               struct snd_pcm_hw_params *params)
 138 {
 139 }
 140
 141 static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
 142
 143 static int hifier_control_filter(struct snd_kcontrol_new *template)
 144 {
 145         if (!strcmp(template->name, "Stereo Upmixing"))
 146                 return 1; /* stereo only - we don't need upmixing */
 147         return 0;
 148 }
 149
 150 static const struct oxygen_model model_hifier = {
 151         .shortname = "C-Media CMI8787",
 152         .longname = "C-Media Oxygen HD Audio",
 153         .chip = "CMI8788",
 154         .init = hifier_init,
 155         .control_filter = hifier_control_filter,
 156         .cleanup = hifier_cleanup,
 157         .resume = hifier_resume,
 158         .set_dac_params = set_ak4396_params,
 159         .set_adc_params = set_cs5340_params,
 160         .update_dac_volume = update_ak4396_volume,
 161         .update_dac_mute = update_ak4396_mute,
 162         .dac_tlv = ak4396_db_scale,
 163         .model_data_size = sizeof(struct hifier_data),
 164         .device_config = PLAYBACK_0_TO_I2S |
 165                          PLAYBACK_1_TO_SPDIF |
 166                          CAPTURE_0_FROM_I2S_1,
 167         .dac_channels = 2,
 168         .dac_volume_min = 0,
 169         .dac_volume_max = 255,
 170         .function_flags = OXYGEN_FUNCTION_SPI,
 171         .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 172         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 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, &model_hifier, 0);
 188         if (err >= 0)
 189                 ++dev;
 190         return err;
 191 }
 192
 193 static struct pci_driver hifier_driver = {
 194         .name = "CMI8787HiFier",
 195         .id_table = hifier_ids,
 196         .probe = hifier_probe,
 197         .remove = __devexit_p(oxygen_pci_remove),
 198 #ifdef CONFIG_PM
 199         .suspend = oxygen_pci_suspend,
 200         .resume = oxygen_pci_resume,
 201 #endif
 202 };
 203
 204 static int __init alsa_card_hifier_init(void)
 205 {
 206         return pci_register_driver(&hifier_driver);
 207 }
 208
 209 static void __exit alsa_card_hifier_exit(void)
 210 {
 211         pci_unregister_driver(&hifier_driver);
 212 }
 213
 214 module_init(alsa_card_hifier_init)
 215 module_exit(alsa_card_hifier_exit)