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-/*
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- * C-Media CMI8788 driver for the MediaTek/TempoTec HiFier Fantasia
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- *
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- * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
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- *
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- *
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- * This driver is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License, version 2.
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- *
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- * This driver is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this driver; if not, write to the Free Software
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- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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- */
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-
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-/*
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- * CMI8788:
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- *
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- * SPI 0 -> AK4396
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- */
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-
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-#include <linux/delay.h>
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-#include <linux/pci.h>
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-#include <sound/control.h>
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-#include <sound/core.h>
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-#include <sound/initval.h>
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-#include <sound/pcm.h>
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-#include <sound/tlv.h>
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-#include "oxygen.h"
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-#include "ak4396.h"
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-
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-MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
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-MODULE_DESCRIPTION("TempoTec HiFier driver");
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-MODULE_LICENSE("GPL v2");
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-
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-static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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-static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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-static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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-
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-module_param_array(index, int, NULL, 0444);
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-MODULE_PARM_DESC(index, "card index");
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-module_param_array(id, charp, NULL, 0444);
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-MODULE_PARM_DESC(id, "ID string");
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-module_param_array(enable, bool, NULL, 0444);
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-MODULE_PARM_DESC(enable, "enable card");
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-
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-static DEFINE_PCI_DEVICE_TABLE(hifier_ids) = {
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- { OXYGEN_PCI_SUBID(0x14c3, 0x1710) },
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- { OXYGEN_PCI_SUBID(0x14c3, 0x1711) },
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- { OXYGEN_PCI_SUBID_BROKEN_EEPROM },
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- { }
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-};
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-MODULE_DEVICE_TABLE(pci, hifier_ids);
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-
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-struct hifier_data {
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- u8 ak4396_regs[5];
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-};
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-
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-static void ak4396_write(struct oxygen *chip, u8 reg, u8 value)
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-{
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- struct hifier_data *data = chip->model_data;
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-
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- oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
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- OXYGEN_SPI_DATA_LENGTH_2 |
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- OXYGEN_SPI_CLOCK_160 |
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- (0 << OXYGEN_SPI_CODEC_SHIFT) |
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- OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
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- AK4396_WRITE | (reg << 8) | value);
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- data->ak4396_regs[reg] = value;
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-}
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-
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-static void ak4396_write_cached(struct oxygen *chip, u8 reg, u8 value)
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-{
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- struct hifier_data *data = chip->model_data;
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-
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- if (value != data->ak4396_regs[reg])
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- ak4396_write(chip, reg, value);
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-}
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-
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-static void hifier_registers_init(struct oxygen *chip)
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-{
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- struct hifier_data *data = chip->model_data;
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-
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- ak4396_write(chip, AK4396_CONTROL_1, AK4396_DIF_24_MSB | AK4396_RSTN);
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- ak4396_write(chip, AK4396_CONTROL_2,
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- data->ak4396_regs[AK4396_CONTROL_2]);
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- ak4396_write(chip, AK4396_CONTROL_3, AK4396_PCM);
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- ak4396_write(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
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- ak4396_write(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
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-}
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-
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-static void hifier_init(struct oxygen *chip)
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-{
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- struct hifier_data *data = chip->model_data;
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-
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- data->ak4396_regs[AK4396_CONTROL_2] =
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- AK4396_SMUTE | AK4396_DEM_OFF | AK4396_DFS_NORMAL;
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- hifier_registers_init(chip);
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-
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- snd_component_add(chip->card, "AK4396");
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- snd_component_add(chip->card, "CS5340");
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-}
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-
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-static void hifier_cleanup(struct oxygen *chip)
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-{
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-}
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-
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-static void hifier_resume(struct oxygen *chip)
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-{
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- hifier_registers_init(chip);
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-}
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-
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-static void set_ak4396_params(struct oxygen *chip,
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- struct snd_pcm_hw_params *params)
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-{
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- struct hifier_data *data = chip->model_data;
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- u8 value;
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-
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- value = data->ak4396_regs[AK4396_CONTROL_2] & ~AK4396_DFS_MASK;
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- if (params_rate(params) <= 54000)
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- value |= AK4396_DFS_NORMAL;
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- else if (params_rate(params) <= 108000)
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- value |= AK4396_DFS_DOUBLE;
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- else
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- value |= AK4396_DFS_QUAD;
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-
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- msleep(1); /* wait for the new MCLK to become stable */
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-
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- if (value != data->ak4396_regs[AK4396_CONTROL_2]) {
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- ak4396_write(chip, AK4396_CONTROL_1,
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- AK4396_DIF_24_MSB);
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- ak4396_write(chip, AK4396_CONTROL_2, value);
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- ak4396_write(chip, AK4396_CONTROL_1,
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- AK4396_DIF_24_MSB | AK4396_RSTN);
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- }
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-}
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-
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-static void update_ak4396_volume(struct oxygen *chip)
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-{
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- ak4396_write_cached(chip, AK4396_LCH_ATT, chip->dac_volume[0]);
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- ak4396_write_cached(chip, AK4396_RCH_ATT, chip->dac_volume[1]);
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-}
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-
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-static void update_ak4396_mute(struct oxygen *chip)
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-{
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- struct hifier_data *data = chip->model_data;
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- u8 value;
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-
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- value = data->ak4396_regs[AK4396_CONTROL_2] & ~AK4396_SMUTE;
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- if (chip->dac_mute)
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- value |= AK4396_SMUTE;
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- ak4396_write_cached(chip, AK4396_CONTROL_2, value);
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-}
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-
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-static void set_cs5340_params(struct oxygen *chip,
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- struct snd_pcm_hw_params *params)
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-{
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-}
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-
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-static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
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-
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-static const struct oxygen_model model_hifier = {
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- .shortname = "C-Media CMI8787",
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- .longname = "C-Media Oxygen HD Audio",
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- .chip = "CMI8788",
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- .init = hifier_init,
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- .cleanup = hifier_cleanup,
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- .resume = hifier_resume,
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- .get_i2s_mclk = oxygen_default_i2s_mclk,
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- .set_dac_params = set_ak4396_params,
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- .set_adc_params = set_cs5340_params,
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- .update_dac_volume = update_ak4396_volume,
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- .update_dac_mute = update_ak4396_mute,
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- .dac_tlv = ak4396_db_scale,
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- .model_data_size = sizeof(struct hifier_data),
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- .device_config = PLAYBACK_0_TO_I2S |
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- PLAYBACK_1_TO_SPDIF |
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- CAPTURE_0_FROM_I2S_1,
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- .dac_channels = 2,
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- .dac_volume_min = 0,
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- .dac_volume_max = 255,
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- .function_flags = OXYGEN_FUNCTION_SPI,
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- .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
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- .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
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-};
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-
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-static int __devinit get_hifier_model(struct oxygen *chip,
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- const struct pci_device_id *id)
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-{
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- chip->model = model_hifier;
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- return 0;
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-}
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-
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-static int __devinit hifier_probe(struct pci_dev *pci,
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- const struct pci_device_id *pci_id)
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-{
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- static int dev;
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- int err;
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-
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- if (dev >= SNDRV_CARDS)
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- return -ENODEV;
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- if (!enable[dev]) {
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- ++dev;
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- return -ENOENT;
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- }
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- err = oxygen_pci_probe(pci, index[dev], id[dev], THIS_MODULE,
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- hifier_ids, get_hifier_model);
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- if (err >= 0)
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- ++dev;
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- return err;
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-}
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-
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-static struct pci_driver hifier_driver = {
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- .name = "CMI8787HiFier",
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- .id_table = hifier_ids,
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- .probe = hifier_probe,
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- .remove = __devexit_p(oxygen_pci_remove),
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-#ifdef CONFIG_PM
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- .suspend = oxygen_pci_suspend,
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- .resume = oxygen_pci_resume,
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-#endif
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-};
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-
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-static int __init alsa_card_hifier_init(void)
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-{
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- return pci_register_driver(&hifier_driver);
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-}
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-
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-static void __exit alsa_card_hifier_exit(void)
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-{
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- pci_unregister_driver(&hifier_driver);
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-}
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-
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-module_init(alsa_card_hifier_init)
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-module_exit(alsa_card_hifier_exit)
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