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root/sound/pci/oxygen/virtuoso.c

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DEFINITIONS

This source file includes following definitions.
  1. pcm1796_write_spi
  2. pcm1796_write_i2c
  3. pcm1796_write
  4. cs4398_write
  5. cs4362a_write
  6. hdmi_write_command
  7. xonar_enable_output
  8. xonar_common_init
  9. update_pcm1796_volume
  10. update_pcm1796_mute
  11. pcm1796_init
  12. xonar_d2_init
  13. update_cs4362a_volumes
  14. update_cs43xx_volume
  15. update_cs43xx_mute
  16. cs43xx_init
  17. xonar_d1_init
  18. xonar_hdav_init
  19. xonar_disable_output
  20. xonar_d2_cleanup
  21. xonar_d1_cleanup
  22. xonar_hdav_cleanup
  23. xonar_d2_suspend
  24. xonar_d1_suspend
  25. xonar_hdav_suspend
  26. xonar_d2_resume
  27. xonar_d1_resume
  28. xonar_hdav_resume
  29. xonar_hdav_pcm_hardware_filter
  30. set_pcm1796_params
  31. set_cs53x1_params
  32. set_cs43xx_params
  33. set_hdmi_params
  34. set_hdav_params
  35. xonar_gpio_changed
  36. xonar_hdav_uart_input
  37. gpio_bit_switch_get
  38. gpio_bit_switch_put
  39. xonar_line_mic_ac97_switch
  40. xonar_d2_control_filter
  41. xonar_d1_control_filter
  42. xonar_d2_mixer_init
  43. xonar_d1_mixer_init
  44. xonar_model_probe
  45. xonar_probe
  46. alsa_card_xonar_init
  47. alsa_card_xonar_exit

/*
 * C-Media CMI8788 driver for Asus Xonar cards
 *
 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
 *
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License, version 2.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this driver; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

/*
 * Xonar D2/D2X
 * ------------
 *
 * CMI8788:
 *
 * SPI 0 -> 1st PCM1796 (front)
 * SPI 1 -> 2nd PCM1796 (surround)
 * SPI 2 -> 3rd PCM1796 (center/LFE)
 * SPI 4 -> 4th PCM1796 (back)
 *
 * GPIO 2 -> M0 of CS5381
 * GPIO 3 -> M1 of CS5381
 * GPIO 5 <- external power present (D2X only)
 * GPIO 7 -> ALT
 * GPIO 8 -> enable output to speakers
 */

/*
 * Xonar D1/DX
 * -----------
 *
 * CMI8788:
 *
 * I²C <-> CS4398 (front)
 *     <-> CS4362A (surround, center/LFE, back)
 *
 * GPI 0 <- external power present (DX only)
 *
 * GPIO 0 -> enable output to speakers
 * GPIO 1 -> enable front panel I/O
 * GPIO 2 -> M0 of CS5361
 * GPIO 3 -> M1 of CS5361
 * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
 *
 * CS4398:
 *
 * AD0 <- 1
 * AD1 <- 1
 *
 * CS4362A:
 *
 * AD0 <- 0
 */

/*
 * Xonar HDAV1.3 (Deluxe)
 * ----------------------
 *
 * CMI8788:
 *
 * I²C <-> PCM1796 (front)
 *
 * GPI 0 <- external power present
 *
 * GPIO 0 -> enable output to speakers
 * GPIO 2 -> M0 of CS5381
 * GPIO 3 -> M1 of CS5381
 * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
 *
 * TXD -> HDMI controller
 * RXD <- HDMI controller
 *
 * PCM1796 front: AD1,0 <- 0,0
 *
 * no daughterboard
 * ----------------
 *
 * GPIO 4 <- 1
 *
 * H6 daughterboard
 * ----------------
 *
 * GPIO 4 <- 0
 * GPIO 5 <- 0
 *
 * I²C <-> PCM1796 (surround)
 *     <-> PCM1796 (center/LFE)
 *     <-> PCM1796 (back)
 *
 * PCM1796 surround:   AD1,0 <- 0,1
 * PCM1796 center/LFE: AD1,0 <- 1,0
 * PCM1796 back:       AD1,0 <- 1,1
 *
 * unknown daughterboard
 * ---------------------
 *
 * GPIO 4 <- 0
 * GPIO 5 <- 1
 *
 * I²C <-> CS4362A (surround, center/LFE, back)
 *
 * CS4362A: AD0 <- 0
 */

#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <sound/ac97_codec.h>
#include <sound/asoundef.h>
#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/tlv.h>
#include "oxygen.h"
#include "cm9780.h"
#include "pcm1796.h"
#include "cs4398.h"
#include "cs4362a.h"

MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
MODULE_DESCRIPTION("Asus AVx00 driver");
MODULE_LICENSE("GPL v2");
MODULE_SUPPORTED_DEVICE("{{Asus,AV100},{Asus,AV200}}");

static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;

module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "card index");
module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string");
module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "enable card");

enum {
        MODEL_D2,
        MODEL_D2X,
        MODEL_D1,
        MODEL_DX,
        MODEL_HDAV,     /* without daughterboard */
        MODEL_HDAV_H6,  /* with H6 daughterboard */
};

static struct pci_device_id xonar_ids[] __devinitdata = {
        { OXYGEN_PCI_SUBID(0x1043, 0x8269), .driver_data = MODEL_D2 },
        { OXYGEN_PCI_SUBID(0x1043, 0x8275), .driver_data = MODEL_DX },
        { OXYGEN_PCI_SUBID(0x1043, 0x82b7), .driver_data = MODEL_D2X },
        { OXYGEN_PCI_SUBID(0x1043, 0x8314), .driver_data = MODEL_HDAV },
        { OXYGEN_PCI_SUBID(0x1043, 0x834f), .driver_data = MODEL_D1 },
        { }
};
MODULE_DEVICE_TABLE(pci, xonar_ids);


#define GPIO_CS53x1_M_MASK      0x000c
#define GPIO_CS53x1_M_SINGLE    0x0000
#define GPIO_CS53x1_M_DOUBLE    0x0004
#define GPIO_CS53x1_M_QUAD      0x0008

#define GPIO_D2X_EXT_POWER      0x0020
#define GPIO_D2_ALT             0x0080
#define GPIO_D2_OUTPUT_ENABLE   0x0100

#define GPI_DX_EXT_POWER        0x01
#define GPIO_DX_OUTPUT_ENABLE   0x0001
#define GPIO_DX_FRONT_PANEL     0x0002
#define GPIO_DX_INPUT_ROUTE     0x0100

#define GPIO_HDAV_DB_MASK       0x0030
#define GPIO_HDAV_DB_H6         0x0000
#define GPIO_HDAV_DB_XX         0x0020

#define I2C_DEVICE_PCM1796(i)   (0x98 + ((i) << 1))     /* 10011, ADx=i, /W=0 */
#define I2C_DEVICE_CS4398       0x9e    /* 10011, AD1=1, AD0=1, /W=0 */
#define I2C_DEVICE_CS4362A      0x30    /* 001100, AD0=0, /W=0 */

struct xonar_data {
        unsigned int model;
        unsigned int anti_pop_delay;
        unsigned int dacs;
        u16 output_enable_bit;
        u8 ext_power_reg;
        u8 ext_power_int_reg;
        u8 ext_power_bit;
        u8 has_power;
        u8 pcm1796_oversampling;
        u8 cs4398_fm;
        u8 cs4362a_fm;
        u8 hdmi_params[5];
};

static void xonar_gpio_changed(struct oxygen *chip);

static inline void pcm1796_write_spi(struct oxygen *chip, unsigned int codec,
                                     u8 reg, u8 value)
{
        /* maps ALSA channel pair number to SPI output */
        static const u8 codec_map[4] = {
                0, 1, 2, 4
        };
        oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
                         OXYGEN_SPI_DATA_LENGTH_2 |
                         OXYGEN_SPI_CLOCK_160 |
                         (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
                         OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
                         (reg << 8) | value);
}

static inline void pcm1796_write_i2c(struct oxygen *chip, unsigned int codec,
                                     u8 reg, u8 value)
{
        oxygen_write_i2c(chip, I2C_DEVICE_PCM1796(codec), reg, value);
}

static void pcm1796_write(struct oxygen *chip, unsigned int codec,
                          u8 reg, u8 value)
{
        if ((chip->model.function_flags & OXYGEN_FUNCTION_2WIRE_SPI_MASK) ==
            OXYGEN_FUNCTION_SPI)
                pcm1796_write_spi(chip, codec, reg, value);
        else
                pcm1796_write_i2c(chip, codec, reg, value);
}

static void cs4398_write(struct oxygen *chip, u8 reg, u8 value)
{
        oxygen_write_i2c(chip, I2C_DEVICE_CS4398, reg, value);
}

static void cs4362a_write(struct oxygen *chip, u8 reg, u8 value)
{
        oxygen_write_i2c(chip, I2C_DEVICE_CS4362A, reg, value);
}

static void hdmi_write_command(struct oxygen *chip, u8 command,
                               unsigned int count, const u8 *params)
{
        unsigned int i;
        u8 checksum;

        oxygen_write_uart(chip, 0xfb);
        oxygen_write_uart(chip, 0xef);
        oxygen_write_uart(chip, command);
        oxygen_write_uart(chip, count);
        for (i = 0; i < count; ++i)
                oxygen_write_uart(chip, params[i]);
        checksum = 0xfb + 0xef + command + count;
        for (i = 0; i < count; ++i)
                checksum += params[i];
        oxygen_write_uart(chip, checksum);
}

static void xonar_enable_output(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;

        msleep(data->anti_pop_delay);
        oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
}

static void xonar_common_init(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;

        if (data->ext_power_reg) {
                oxygen_set_bits8(chip, data->ext_power_int_reg,
                                 data->ext_power_bit);
                chip->interrupt_mask |= OXYGEN_INT_GPIO;
                chip->model.gpio_changed = xonar_gpio_changed;
                data->has_power = !!(oxygen_read8(chip, data->ext_power_reg)
                                     & data->ext_power_bit);
        }
        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
                          GPIO_CS53x1_M_MASK | data->output_enable_bit);
        oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
                              GPIO_CS53x1_M_SINGLE, GPIO_CS53x1_M_MASK);
        oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
        xonar_enable_output(chip);
}

static void update_pcm1796_volume(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;
        unsigned int i;

        for (i = 0; i < data->dacs; ++i) {
                pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
                pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
        }
}

static void update_pcm1796_mute(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;
        unsigned int i;
        u8 value;

        value = PCM1796_DMF_DISABLED | PCM1796_FMT_24_LJUST | PCM1796_ATLD;
        if (chip->dac_mute)
                value |= PCM1796_MUTE;
        for (i = 0; i < data->dacs; ++i)
                pcm1796_write(chip, i, 18, value);
}

static void pcm1796_init(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;
        unsigned int i;

        for (i = 0; i < data->dacs; ++i) {
                pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
                pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
                pcm1796_write(chip, i, 21, 0);
        }
        update_pcm1796_mute(chip); /* set ATLD before ATL/ATR */
        update_pcm1796_volume(chip);
}

static void xonar_d2_init(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;

        data->anti_pop_delay = 300;
        data->output_enable_bit = GPIO_D2_OUTPUT_ENABLE;
        data->pcm1796_oversampling = PCM1796_OS_64;
        if (data->model == MODEL_D2X) {
                data->ext_power_reg = OXYGEN_GPIO_DATA;
                data->ext_power_int_reg = OXYGEN_GPIO_INTERRUPT_MASK;
                data->ext_power_bit = GPIO_D2X_EXT_POWER;
                oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
                                    GPIO_D2X_EXT_POWER);
        }

        pcm1796_init(chip);

        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2_ALT);
        oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_D2_ALT);

        xonar_common_init(chip);

        snd_component_add(chip->card, "PCM1796");
        snd_component_add(chip->card, "CS5381");
}

static void update_cs4362a_volumes(struct oxygen *chip)
{
        u8 mute;

        mute = chip->dac_mute ? CS4362A_MUTE : 0;
        cs4362a_write(chip, 7, (127 - chip->dac_volume[2]) | mute);
        cs4362a_write(chip, 8, (127 - chip->dac_volume[3]) | mute);
        cs4362a_write(chip, 10, (127 - chip->dac_volume[4]) | mute);
        cs4362a_write(chip, 11, (127 - chip->dac_volume[5]) | mute);
        cs4362a_write(chip, 13, (127 - chip->dac_volume[6]) | mute);
        cs4362a_write(chip, 14, (127 - chip->dac_volume[7]) | mute);
}

static void update_cs43xx_volume(struct oxygen *chip)
{
        cs4398_write(chip, 5, (127 - chip->dac_volume[0]) * 2);
        cs4398_write(chip, 6, (127 - chip->dac_volume[1]) * 2);
        update_cs4362a_volumes(chip);
}

static void update_cs43xx_mute(struct oxygen *chip)
{
        u8 reg;

        reg = CS4398_MUTEP_LOW | CS4398_PAMUTE;
        if (chip->dac_mute)
                reg |= CS4398_MUTE_B | CS4398_MUTE_A;
        cs4398_write(chip, 4, reg);
        update_cs4362a_volumes(chip);
}

static void cs43xx_init(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;

        /* set CPEN (control port mode) and power down */
        cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN);
        cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
        /* configure */
        cs4398_write(chip, 2, data->cs4398_fm);
        cs4398_write(chip, 3, CS4398_ATAPI_B_R | CS4398_ATAPI_A_L);
        cs4398_write(chip, 7, CS4398_RMP_DN | CS4398_RMP_UP |
                     CS4398_ZERO_CROSS | CS4398_SOFT_RAMP);
        cs4362a_write(chip, 0x02, CS4362A_DIF_LJUST);
        cs4362a_write(chip, 0x03, CS4362A_MUTEC_6 | CS4362A_AMUTE |
                      CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP);
        cs4362a_write(chip, 0x04, CS4362A_RMP_DN | CS4362A_DEM_NONE);
        cs4362a_write(chip, 0x05, 0);
        cs4362a_write(chip, 0x06, data->cs4362a_fm);
        cs4362a_write(chip, 0x09, data->cs4362a_fm);
        cs4362a_write(chip, 0x0c, data->cs4362a_fm);
        update_cs43xx_volume(chip);
        update_cs43xx_mute(chip);
        /* clear power down */
        cs4398_write(chip, 8, CS4398_CPEN);
        cs4362a_write(chip, 0x01, CS4362A_CPEN);
}

static void xonar_d1_init(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;

        data->anti_pop_delay = 800;
        data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
        data->cs4398_fm = CS4398_FM_SINGLE | CS4398_DEM_NONE | CS4398_DIF_LJUST;
        data->cs4362a_fm = CS4362A_FM_SINGLE |
                CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
        if (data->model == MODEL_DX) {
                data->ext_power_reg = OXYGEN_GPI_DATA;
                data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
                data->ext_power_bit = GPI_DX_EXT_POWER;
        }

        oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
                       OXYGEN_2WIRE_LENGTH_8 |
                       OXYGEN_2WIRE_INTERRUPT_MASK |
                       OXYGEN_2WIRE_SPEED_FAST);

        cs43xx_init(chip);

        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
                          GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);
        oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
                            GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);

        xonar_common_init(chip);

        snd_component_add(chip->card, "CS4398");
        snd_component_add(chip->card, "CS4362A");
        snd_component_add(chip->card, "CS5361");
}

static void xonar_hdav_init(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;
        u8 param;

        oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
                       OXYGEN_2WIRE_LENGTH_8 |
                       OXYGEN_2WIRE_INTERRUPT_MASK |
                       OXYGEN_2WIRE_SPEED_FAST);

        data->anti_pop_delay = 100;
        data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
        data->ext_power_reg = OXYGEN_GPI_DATA;
        data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
        data->ext_power_bit = GPI_DX_EXT_POWER;
        data->pcm1796_oversampling = PCM1796_OS_64;

        pcm1796_init(chip);

        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DX_INPUT_ROUTE);
        oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_DX_INPUT_ROUTE);

        oxygen_reset_uart(chip);
        param = 0;
        hdmi_write_command(chip, 0x61, 1, &param);
        param = 1;
        hdmi_write_command(chip, 0x74, 1, &param);
        data->hdmi_params[1] = IEC958_AES3_CON_FS_48000;
        data->hdmi_params[4] = 1;
        hdmi_write_command(chip, 0x54, 5, data->hdmi_params);

        xonar_common_init(chip);

        snd_component_add(chip->card, "PCM1796");
        snd_component_add(chip->card, "CS5381");
}

static void xonar_disable_output(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;

        oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
}

static void xonar_d2_cleanup(struct oxygen *chip)
{
        xonar_disable_output(chip);
}

static void xonar_d1_cleanup(struct oxygen *chip)
{
        xonar_disable_output(chip);
        cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
        oxygen_clear_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
}

static void xonar_hdav_cleanup(struct oxygen *chip)
{
        u8 param = 0;

        hdmi_write_command(chip, 0x74, 1, &param);
        xonar_disable_output(chip);
}

static void xonar_d2_suspend(struct oxygen *chip)
{
        xonar_d2_cleanup(chip);
}

static void xonar_d1_suspend(struct oxygen *chip)
{
        xonar_d1_cleanup(chip);
}

static void xonar_hdav_suspend(struct oxygen *chip)
{
        xonar_hdav_cleanup(chip);
        msleep(2);
}

static void xonar_d2_resume(struct oxygen *chip)
{
        pcm1796_init(chip);
        xonar_enable_output(chip);
}

static void xonar_d1_resume(struct oxygen *chip)
{
        cs43xx_init(chip);
        xonar_enable_output(chip);
}

static void xonar_hdav_resume(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;
        u8 param;

        oxygen_reset_uart(chip);
        param = 0;
        hdmi_write_command(chip, 0x61, 1, &param);
        param = 1;
        hdmi_write_command(chip, 0x74, 1, &param);
        hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
        pcm1796_init(chip);
        xonar_enable_output(chip);
}

static void xonar_hdav_pcm_hardware_filter(unsigned int channel,
                                           struct snd_pcm_hardware *hardware)
{
        if (channel == PCM_MULTICH) {
                hardware->rates = SNDRV_PCM_RATE_44100 |
                                  SNDRV_PCM_RATE_48000 |
                                  SNDRV_PCM_RATE_96000 |
                                  SNDRV_PCM_RATE_192000;
                hardware->rate_min = 44100;
        }
}

static void set_pcm1796_params(struct oxygen *chip,
                               struct snd_pcm_hw_params *params)
{
        struct xonar_data *data = chip->model_data;
        unsigned int i;

        data->pcm1796_oversampling =
                params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
        for (i = 0; i < data->dacs; ++i)
                pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
}

static void set_cs53x1_params(struct oxygen *chip,
                              struct snd_pcm_hw_params *params)
{
        unsigned int value;

        if (params_rate(params) <= 54000)
                value = GPIO_CS53x1_M_SINGLE;
        else if (params_rate(params) <= 108000)
                value = GPIO_CS53x1_M_DOUBLE;
        else
                value = GPIO_CS53x1_M_QUAD;
        oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
                              value, GPIO_CS53x1_M_MASK);
}

static void set_cs43xx_params(struct oxygen *chip,
                              struct snd_pcm_hw_params *params)
{
        struct xonar_data *data = chip->model_data;

        data->cs4398_fm = CS4398_DEM_NONE | CS4398_DIF_LJUST;
        data->cs4362a_fm = CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
        if (params_rate(params) <= 50000) {
                data->cs4398_fm |= CS4398_FM_SINGLE;
                data->cs4362a_fm |= CS4362A_FM_SINGLE;
        } else if (params_rate(params) <= 100000) {
                data->cs4398_fm |= CS4398_FM_DOUBLE;
                data->cs4362a_fm |= CS4362A_FM_DOUBLE;
        } else {
                data->cs4398_fm |= CS4398_FM_QUAD;
                data->cs4362a_fm |= CS4362A_FM_QUAD;
        }
        cs4398_write(chip, 2, data->cs4398_fm);
        cs4362a_write(chip, 0x06, data->cs4362a_fm);
        cs4362a_write(chip, 0x09, data->cs4362a_fm);
        cs4362a_write(chip, 0x0c, data->cs4362a_fm);
}

static void set_hdmi_params(struct oxygen *chip,
                            struct snd_pcm_hw_params *params)
{
        struct xonar_data *data = chip->model_data;

        data->hdmi_params[0] = 0; /* 1 = non-audio */
        switch (params_rate(params)) {
        case 44100:
                data->hdmi_params[1] = IEC958_AES3_CON_FS_44100;
                break;
        case 48000:
                data->hdmi_params[1] = IEC958_AES3_CON_FS_48000;
                break;
        default: /* 96000 */
                data->hdmi_params[1] = IEC958_AES3_CON_FS_96000;
                break;
        case 192000:
                data->hdmi_params[1] = IEC958_AES3_CON_FS_192000;
                break;
        }
        data->hdmi_params[2] = params_channels(params) / 2 - 1;
        if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE)
                data->hdmi_params[3] = 0;
        else
                data->hdmi_params[3] = 0xc0;
        data->hdmi_params[4] = 1; /* ? */
        hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
}

static void set_hdav_params(struct oxygen *chip,
                            struct snd_pcm_hw_params *params)
{
        set_pcm1796_params(chip, params);
        set_hdmi_params(chip, params);
}

static void xonar_gpio_changed(struct oxygen *chip)
{
        struct xonar_data *data = chip->model_data;
        u8 has_power;

        has_power = !!(oxygen_read8(chip, data->ext_power_reg)
                       & data->ext_power_bit);
        if (has_power != data->has_power) {
                data->has_power = has_power;
                if (has_power) {
                        snd_printk(KERN_NOTICE "power restored\n");
                } else {
                        snd_printk(KERN_CRIT
                                   "Hey! Don't unplug the power cable!\n");
                        /* TODO: stop PCMs */
                }
        }
}

static void xonar_hdav_uart_input(struct oxygen *chip)
{
        if (chip->uart_input_count >= 2 &&
            chip->uart_input[chip->uart_input_count - 2] == 'O' &&
            chip->uart_input[chip->uart_input_count - 1] == 'K') {
                printk(KERN_DEBUG "message from Xonar HDAV HDMI chip received:");
                print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
                                     chip->uart_input, chip->uart_input_count);
                chip->uart_input_count = 0;
        }
}

static int gpio_bit_switch_get(struct snd_kcontrol *ctl,
                               struct snd_ctl_elem_value *value)
{
        struct oxygen *chip = ctl->private_data;
        u16 bit = ctl->private_value;

        value->value.integer.value[0] =
                !!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
        return 0;
}

static int gpio_bit_switch_put(struct snd_kcontrol *ctl,
                               struct snd_ctl_elem_value *value)
{
        struct oxygen *chip = ctl->private_data;
        u16 bit = ctl->private_value;
        u16 old_bits, new_bits;
        int changed;

        spin_lock_irq(&chip->reg_lock);
        old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
        if (value->value.integer.value[0])
                new_bits = old_bits | bit;
        else
                new_bits = old_bits & ~bit;
        changed = new_bits != old_bits;
        if (changed)
                oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
        spin_unlock_irq(&chip->reg_lock);
        return changed;
}

static const struct snd_kcontrol_new alt_switch = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "Analog Loopback Switch",
        .info = snd_ctl_boolean_mono_info,
        .get = gpio_bit_switch_get,
        .put = gpio_bit_switch_put,
        .private_value = GPIO_D2_ALT,
};

static const struct snd_kcontrol_new front_panel_switch = {
        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
        .name = "Front Panel Switch",
        .info = snd_ctl_boolean_mono_info,
        .get = gpio_bit_switch_get,
        .put = gpio_bit_switch_put,
        .private_value = GPIO_DX_FRONT_PANEL,
};

static void xonar_line_mic_ac97_switch(struct oxygen *chip,
                                       unsigned int reg, unsigned int mute)
{
        if (reg == AC97_LINE) {
                spin_lock_irq(&chip->reg_lock);
                oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
                                      mute ? GPIO_DX_INPUT_ROUTE : 0,
                                      GPIO_DX_INPUT_ROUTE);
                spin_unlock_irq(&chip->reg_lock);
        }
}

static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -12000, 50, 0);
static const DECLARE_TLV_DB_SCALE(cs4362a_db_scale, -12700, 100, 0);

static int xonar_d2_control_filter(struct snd_kcontrol_new *template)
{
        if (!strncmp(template->name, "CD Capture ", 11))
                /* CD in is actually connected to the video in pin */
                template->private_value ^= AC97_CD ^ AC97_VIDEO;
        return 0;
}

static int xonar_d1_control_filter(struct snd_kcontrol_new *template)
{
        if (!strncmp(template->name, "CD Capture ", 11))
                return 1; /* no CD input */
        return 0;
}

static int xonar_d2_mixer_init(struct oxygen *chip)
{
        return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
}

static int xonar_d1_mixer_init(struct oxygen *chip)
{
        return snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
}

static int xonar_model_probe(struct oxygen *chip, unsigned long driver_data)
{
        static const char *const names[] = {
                [MODEL_D1]      = "Xonar D1",
                [MODEL_DX]      = "Xonar DX",
                [MODEL_D2]      = "Xonar D2",
                [MODEL_D2X]     = "Xonar D2X",
                [MODEL_HDAV]    = "Xonar HDAV1.3",
                [MODEL_HDAV_H6] = "Xonar HDAV1.3+H6",
        };
        static const u8 dacs[] = {
                [MODEL_D1]      = 2,
                [MODEL_DX]      = 2,
                [MODEL_D2]      = 4,
                [MODEL_D2X]     = 4,
                [MODEL_HDAV]    = 1,
                [MODEL_HDAV_H6] = 4,
        };
        struct xonar_data *data = chip->model_data;

        data->model = driver_data;
        if (data->model == MODEL_HDAV) {
                oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
                                    GPIO_HDAV_DB_MASK);
                switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) &
                        GPIO_HDAV_DB_MASK) {
                case GPIO_HDAV_DB_H6:
                        data->model = MODEL_HDAV_H6;
                        break;
                case GPIO_HDAV_DB_XX:
                        snd_printk(KERN_ERR "unknown daughterboard\n");
                        return -ENODEV;
                }
        }

        data->dacs = dacs[data->model];
        chip->model.shortname = names[data->model];
        return 0;
}

static const struct oxygen_model model_xonar_d2 = {
        .longname = "Asus Virtuoso 200",
        .chip = "AV200",
        .owner = THIS_MODULE,
        .probe = xonar_model_probe,
        .init = xonar_d2_init,
        .control_filter = xonar_d2_control_filter,
        .mixer_init = xonar_d2_mixer_init,
        .cleanup = xonar_d2_cleanup,
        .suspend = xonar_d2_suspend,
        .resume = xonar_d2_resume,
        .set_dac_params = set_pcm1796_params,
        .set_adc_params = set_cs53x1_params,
        .update_dac_volume = update_pcm1796_volume,
        .update_dac_mute = update_pcm1796_mute,
        .dac_tlv = pcm1796_db_scale,
        .model_data_size = sizeof(struct xonar_data),
        .device_config = PLAYBACK_0_TO_I2S |
                         PLAYBACK_1_TO_SPDIF |
                         CAPTURE_0_FROM_I2S_2 |
                         CAPTURE_1_FROM_SPDIF |
                         MIDI_OUTPUT |
                         MIDI_INPUT,
        .dac_channels = 8,
        .dac_volume_min = 0x0f,
        .dac_volume_max = 0xff,
        .misc_flags = OXYGEN_MISC_MIDI,
        .function_flags = OXYGEN_FUNCTION_SPI |
                          OXYGEN_FUNCTION_ENABLE_SPI_4_5,
        .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
        .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static const struct oxygen_model model_xonar_d1 = {
        .longname = "Asus Virtuoso 100",
        .chip = "AV200",
        .owner = THIS_MODULE,
        .probe = xonar_model_probe,
        .init = xonar_d1_init,
        .control_filter = xonar_d1_control_filter,
        .mixer_init = xonar_d1_mixer_init,
        .cleanup = xonar_d1_cleanup,
        .suspend = xonar_d1_suspend,
        .resume = xonar_d1_resume,
        .set_dac_params = set_cs43xx_params,
        .set_adc_params = set_cs53x1_params,
        .update_dac_volume = update_cs43xx_volume,
        .update_dac_mute = update_cs43xx_mute,
        .ac97_switch = xonar_line_mic_ac97_switch,
        .dac_tlv = cs4362a_db_scale,
        .model_data_size = sizeof(struct xonar_data),
        .device_config = PLAYBACK_0_TO_I2S |
                         PLAYBACK_1_TO_SPDIF |
                         CAPTURE_0_FROM_I2S_2,
        .dac_channels = 8,
        .dac_volume_min = 0,
        .dac_volume_max = 127,
        .function_flags = OXYGEN_FUNCTION_2WIRE,
        .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
        .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static const struct oxygen_model model_xonar_hdav = {
        .longname = "Asus Virtuoso 200",
        .chip = "AV200",
        .owner = THIS_MODULE,
        .probe = xonar_model_probe,
        .init = xonar_hdav_init,
        .cleanup = xonar_hdav_cleanup,
        .suspend = xonar_hdav_suspend,
        .resume = xonar_hdav_resume,
        .pcm_hardware_filter = xonar_hdav_pcm_hardware_filter,
        .set_dac_params = set_hdav_params,
        .set_adc_params = set_cs53x1_params,
        .update_dac_volume = update_pcm1796_volume,
        .update_dac_mute = update_pcm1796_mute,
        .uart_input = xonar_hdav_uart_input,
        .ac97_switch = xonar_line_mic_ac97_switch,
        .dac_tlv = pcm1796_db_scale,
        .model_data_size = sizeof(struct xonar_data),
        .device_config = PLAYBACK_0_TO_I2S |
                         PLAYBACK_1_TO_SPDIF |
                         CAPTURE_0_FROM_I2S_2,
        .dac_channels = 8,
        .dac_volume_min = 0x0f,
        .dac_volume_max = 0xff,
        .function_flags = OXYGEN_FUNCTION_2WIRE,
        .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
        .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
};

static int __devinit xonar_probe(struct pci_dev *pci,
                                 const struct pci_device_id *pci_id)
{
        static const struct oxygen_model *const models[] = {
                [MODEL_D1]      = &model_xonar_d1,
                [MODEL_DX]      = &model_xonar_d1,
                [MODEL_D2]      = &model_xonar_d2,
                [MODEL_D2X]     = &model_xonar_d2,
                [MODEL_HDAV]    = &model_xonar_hdav,
        };
        static int dev;
        int err;

        if (dev >= SNDRV_CARDS)
                return -ENODEV;
        if (!enable[dev]) {
                ++dev;
                return -ENOENT;
        }
        BUG_ON(pci_id->driver_data >= ARRAY_SIZE(models));
        err = oxygen_pci_probe(pci, index[dev], id[dev],
                               models[pci_id->driver_data],
                               pci_id->driver_data);
        if (err >= 0)
                ++dev;
        return err;
}

static struct pci_driver xonar_driver = {
        .name = "AV200",
        .id_table = xonar_ids,
        .probe = xonar_probe,
        .remove = __devexit_p(oxygen_pci_remove),
#ifdef CONFIG_PM
        .suspend = oxygen_pci_suspend,
        .resume = oxygen_pci_resume,
#endif
};

static int __init alsa_card_xonar_init(void)
{
        return pci_register_driver(&xonar_driver);
}

static void __exit alsa_card_xonar_exit(void)
{
        pci_unregister_driver(&xonar_driver);
}

module_init(alsa_card_xonar_init)
module_exit(alsa_card_xonar_exit)

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