patch_ca0132.c

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/*
 * HD audio interface patch for Creative CA0132 chip
 *
 * Copyright (c) 2011, Creative Technology Ltd.
 *
 * Based on patch_ca0110.c
 * Copyright (c) 2008 Takashi Iwai <[email protected]>
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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 program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/mutex.h>
#include <linux/module.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
#include "hda_auto_parser.h"

#define WIDGET_CHIP_CTRL      0x15
#define WIDGET_DSP_CTRL       0x16

#define WUH_MEM_CONNID        10
#define DSP_MEM_CONNID        16

enum hda_cmd_vendor_io {
    /* for DspIO node */
    VENDOR_DSPIO_SCP_WRITE_DATA_LOW      = 0x000,
    VENDOR_DSPIO_SCP_WRITE_DATA_HIGH     = 0x100,

    VENDOR_DSPIO_STATUS                  = 0xF01,
    VENDOR_DSPIO_SCP_POST_READ_DATA      = 0x702,
    VENDOR_DSPIO_SCP_READ_DATA           = 0xF02,
    VENDOR_DSPIO_DSP_INIT                = 0x703,
    VENDOR_DSPIO_SCP_POST_COUNT_QUERY    = 0x704,
    VENDOR_DSPIO_SCP_READ_COUNT          = 0xF04,

    /* for ChipIO node */
    VENDOR_CHIPIO_ADDRESS_LOW            = 0x000,
    VENDOR_CHIPIO_ADDRESS_HIGH           = 0x100,
    VENDOR_CHIPIO_STREAM_FORMAT          = 0x200,
    VENDOR_CHIPIO_DATA_LOW               = 0x300,
    VENDOR_CHIPIO_DATA_HIGH              = 0x400,

    VENDOR_CHIPIO_GET_PARAMETER          = 0xF00,
    VENDOR_CHIPIO_STATUS                 = 0xF01,
    VENDOR_CHIPIO_HIC_POST_READ          = 0x702,
    VENDOR_CHIPIO_HIC_READ_DATA          = 0xF03,

    VENDOR_CHIPIO_CT_EXTENSIONS_ENABLE   = 0x70A,

    VENDOR_CHIPIO_PLL_PMU_WRITE          = 0x70C,
    VENDOR_CHIPIO_PLL_PMU_READ           = 0xF0C,
    VENDOR_CHIPIO_8051_ADDRESS_LOW       = 0x70D,
    VENDOR_CHIPIO_8051_ADDRESS_HIGH      = 0x70E,
    VENDOR_CHIPIO_FLAG_SET               = 0x70F,
    VENDOR_CHIPIO_FLAGS_GET              = 0xF0F,
    VENDOR_CHIPIO_PARAMETER_SET          = 0x710,
    VENDOR_CHIPIO_PARAMETER_GET          = 0xF10,

    VENDOR_CHIPIO_PORT_ALLOC_CONFIG_SET  = 0x711,
    VENDOR_CHIPIO_PORT_ALLOC_SET         = 0x712,
    VENDOR_CHIPIO_PORT_ALLOC_GET         = 0xF12,
    VENDOR_CHIPIO_PORT_FREE_SET          = 0x713,

    VENDOR_CHIPIO_PARAMETER_EX_ID_GET    = 0xF17,
    VENDOR_CHIPIO_PARAMETER_EX_ID_SET    = 0x717,
    VENDOR_CHIPIO_PARAMETER_EX_VALUE_GET = 0xF18,
    VENDOR_CHIPIO_PARAMETER_EX_VALUE_SET = 0x718
};

/*
 *  Control flag IDs
 */
enum control_flag_id {
    /* Connection manager stream setup is bypassed/enabled */
    CONTROL_FLAG_C_MGR                  = 0,
    /* DSP DMA is bypassed/enabled */
    CONTROL_FLAG_DMA                    = 1,
    /* 8051 'idle' mode is disabled/enabled */
    CONTROL_FLAG_IDLE_ENABLE            = 2,
    /* Tracker for the SPDIF-in path is bypassed/enabled */
    CONTROL_FLAG_TRACKER                = 3,
    /* DigitalOut to Spdif2Out connection is disabled/enabled */
    CONTROL_FLAG_SPDIF2OUT              = 4,
    /* Digital Microphone is disabled/enabled */
    CONTROL_FLAG_DMIC                   = 5,
    /* ADC_B rate is 48 kHz/96 kHz */
    CONTROL_FLAG_ADC_B_96KHZ            = 6,
    /* ADC_C rate is 48 kHz/96 kHz */
    CONTROL_FLAG_ADC_C_96KHZ            = 7,
    /* DAC rate is 48 kHz/96 kHz (affects all DACs) */
    CONTROL_FLAG_DAC_96KHZ              = 8,
    /* DSP rate is 48 kHz/96 kHz */
    CONTROL_FLAG_DSP_96KHZ              = 9,
    /* SRC clock is 98 MHz/196 MHz (196 MHz forces rate to 96 KHz) */
    CONTROL_FLAG_SRC_CLOCK_196MHZ       = 10,
    /* SRC rate is 48 kHz/96 kHz (48 kHz disabled when clock is 196 MHz) */
    CONTROL_FLAG_SRC_RATE_96KHZ         = 11,
    /* Decode Loop (DSP->SRC->DSP) is disabled/enabled */
    CONTROL_FLAG_DECODE_LOOP            = 12,
    /* De-emphasis filter on DAC-1 disabled/enabled */
    CONTROL_FLAG_DAC1_DEEMPHASIS        = 13,
    /* De-emphasis filter on DAC-2 disabled/enabled */
    CONTROL_FLAG_DAC2_DEEMPHASIS        = 14,
    /* De-emphasis filter on DAC-3 disabled/enabled */
    CONTROL_FLAG_DAC3_DEEMPHASIS        = 15,
    /* High-pass filter on ADC_B disabled/enabled */
    CONTROL_FLAG_ADC_B_HIGH_PASS        = 16,
    /* High-pass filter on ADC_C disabled/enabled */
    CONTROL_FLAG_ADC_C_HIGH_PASS        = 17,
    /* Common mode on Port_A disabled/enabled */
    CONTROL_FLAG_PORT_A_COMMON_MODE     = 18,
    /* Common mode on Port_D disabled/enabled */
    CONTROL_FLAG_PORT_D_COMMON_MODE     = 19,
    /* Impedance for ramp generator on Port_A 16 Ohm/10K Ohm */
    CONTROL_FLAG_PORT_A_10KOHM_LOAD     = 20,
    /* Impedance for ramp generator on Port_D, 16 Ohm/10K Ohm */
    CONTROL_FLAG_PORT_D_10K0HM_LOAD     = 21,
    /* ASI rate is 48kHz/96kHz */
    CONTROL_FLAG_ASI_96KHZ              = 22,
    /* DAC power settings able to control attached ports no/yes */
    CONTROL_FLAG_DACS_CONTROL_PORTS     = 23,
    /* Clock Stop OK reporting is disabled/enabled */
    CONTROL_FLAG_CONTROL_STOP_OK_ENABLE = 24,
    /* Number of control flags */
    CONTROL_FLAGS_MAX = (CONTROL_FLAG_CONTROL_STOP_OK_ENABLE+1)
};

/*
 * Control parameter IDs
 */
enum control_parameter_id {
    /* 0: force HDA, 1: allow DSP if HDA Spdif1Out stream is idle */
    CONTROL_PARAM_SPDIF1_SOURCE            = 2,

    /* Stream Control */

    /* Select stream with the given ID */
    CONTROL_PARAM_STREAM_ID                = 24,
    /* Source connection point for the selected stream */
    CONTROL_PARAM_STREAM_SOURCE_CONN_POINT = 25,
    /* Destination connection point for the selected stream */
    CONTROL_PARAM_STREAM_DEST_CONN_POINT   = 26,
    /* Number of audio channels in the selected stream */
    CONTROL_PARAM_STREAMS_CHANNELS         = 27,
    /*Enable control for the selected stream */
    CONTROL_PARAM_STREAM_CONTROL           = 28,

    /* Connection Point Control */

    /* Select connection point with the given ID */
    CONTROL_PARAM_CONN_POINT_ID            = 29,
    /* Connection point sample rate */
    CONTROL_PARAM_CONN_POINT_SAMPLE_RATE   = 30,

    /* Node Control */

    /* Select HDA node with the given ID */
    CONTROL_PARAM_NODE_ID                  = 31
};

/*
 *  Dsp Io Status codes
 */
enum hda_vendor_status_dspio {
    /* Success */
    VENDOR_STATUS_DSPIO_OK                       = 0x00,
    /* Busy, unable to accept new command, the host must retry */
    VENDOR_STATUS_DSPIO_BUSY                     = 0x01,
    /* SCP command queue is full */
    VENDOR_STATUS_DSPIO_SCP_COMMAND_QUEUE_FULL   = 0x02,
    /* SCP response queue is empty */
    VENDOR_STATUS_DSPIO_SCP_RESPONSE_QUEUE_EMPTY = 0x03
};

/*
 *  Chip Io Status codes
 */
enum hda_vendor_status_chipio {
    /* Success */
    VENDOR_STATUS_CHIPIO_OK   = 0x00,
    /* Busy, unable to accept new command, the host must retry */
    VENDOR_STATUS_CHIPIO_BUSY = 0x01
};

/*
 *  CA0132 sample rate
 */
enum ca0132_sample_rate {
    SR_6_000        = 0x00,
    SR_8_000        = 0x01,
    SR_9_600        = 0x02,
    SR_11_025       = 0x03,
    SR_16_000       = 0x04,
    SR_22_050       = 0x05,
    SR_24_000       = 0x06,
    SR_32_000       = 0x07,
    SR_44_100       = 0x08,
    SR_48_000       = 0x09,
    SR_88_200       = 0x0A,
    SR_96_000       = 0x0B,
    SR_144_000      = 0x0C,
    SR_176_400      = 0x0D,
    SR_192_000      = 0x0E,
    SR_384_000      = 0x0F,

    SR_COUNT        = 0x10,

    SR_RATE_UNKNOWN = 0x1F
};

/*
 *  Scp Helper function
 */
enum get_set {
    IS_SET = 0,
    IS_GET = 1,
};

/*
 * Duplicated from ca0110 codec
 */

static void init_output(struct hda_codec *codec, hda_nid_t pin, hda_nid_t dac)
{
    if (pin) {
        snd_hda_set_pin_ctl(codec, pin, PIN_HP);
        if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
            snd_hda_codec_write(codec, pin, 0,
                        AC_VERB_SET_AMP_GAIN_MUTE,
                        AMP_OUT_UNMUTE);
    }
    if (dac && (get_wcaps(codec, dac) & AC_WCAP_OUT_AMP))
        snd_hda_codec_write(codec, dac, 0,
                    AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_ZERO);
}

static void init_input(struct hda_codec *codec, hda_nid_t pin, hda_nid_t adc)
{
    if (pin) {
        snd_hda_set_pin_ctl(codec, pin, PIN_IN |
                    snd_hda_get_default_vref(codec, pin));
        if (get_wcaps(codec, pin) & AC_WCAP_IN_AMP)
            snd_hda_codec_write(codec, pin, 0,
                        AC_VERB_SET_AMP_GAIN_MUTE,
                        AMP_IN_UNMUTE(0));
    }
    if (adc && (get_wcaps(codec, adc) & AC_WCAP_IN_AMP))
        snd_hda_codec_write(codec, adc, 0, AC_VERB_SET_AMP_GAIN_MUTE,
                    AMP_IN_UNMUTE(0));
}

static char *dirstr[2] = { "Playback", "Capture" };

static int _add_switch(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
               int chan, int dir)
{
    char namestr[44];
    int type = dir ? HDA_INPUT : HDA_OUTPUT;
    struct snd_kcontrol_new knew =
        HDA_CODEC_MUTE_MONO(namestr, nid, chan, 0, type);
    if ((query_amp_caps(codec, nid, type) & AC_AMPCAP_MUTE) == 0) {
        snd_printdd("Skipping '%s %s Switch' (no mute on node 0x%x)\n", pfx, dirstr[dir], nid);
        return 0;
    }
    sprintf(namestr, "%s %s Switch", pfx, dirstr[dir]);
    return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

static int _add_volume(struct hda_codec *codec, hda_nid_t nid, const char *pfx,
               int chan, int dir)
{
    char namestr[44];
    int type = dir ? HDA_INPUT : HDA_OUTPUT;
    struct snd_kcontrol_new knew =
        HDA_CODEC_VOLUME_MONO(namestr, nid, chan, 0, type);
    if ((query_amp_caps(codec, nid, type) & AC_AMPCAP_NUM_STEPS) == 0) {
        snd_printdd("Skipping '%s %s Volume' (no amp on node 0x%x)\n", pfx, dirstr[dir], nid);
        return 0;
    }
    sprintf(namestr, "%s %s Volume", pfx, dirstr[dir]);
    return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

#define add_out_switch(codec, nid, pfx) _add_switch(codec, nid, pfx, 3, 0)
#define add_out_volume(codec, nid, pfx) _add_volume(codec, nid, pfx, 3, 0)
#define add_in_switch(codec, nid, pfx) _add_switch(codec, nid, pfx, 3, 1)
#define add_in_volume(codec, nid, pfx) _add_volume(codec, nid, pfx, 3, 1)
#define add_mono_switch(codec, nid, pfx, chan) \
    _add_switch(codec, nid, pfx, chan, 0)
#define add_mono_volume(codec, nid, pfx, chan) \
    _add_volume(codec, nid, pfx, chan, 0)
#define add_in_mono_switch(codec, nid, pfx, chan) \
    _add_switch(codec, nid, pfx, chan, 1)
#define add_in_mono_volume(codec, nid, pfx, chan) \
    _add_volume(codec, nid, pfx, chan, 1)


/*
 * CA0132 specific
 */

struct ca0132_spec {
    struct auto_pin_cfg autocfg;
    struct hda_multi_out multiout;
    hda_nid_t out_pins[AUTO_CFG_MAX_OUTS];
    hda_nid_t dacs[AUTO_CFG_MAX_OUTS];
    hda_nid_t hp_dac;
    hda_nid_t input_pins[AUTO_PIN_LAST];
    hda_nid_t adcs[AUTO_PIN_LAST];
    hda_nid_t dig_out;
    hda_nid_t dig_in;
    unsigned int num_inputs;
    long curr_hp_switch;
    long curr_hp_volume[2];
    long curr_speaker_switch;
    struct mutex chipio_mutex;
    const char *input_labels[AUTO_PIN_LAST];
    struct hda_pcm pcm_rec[2]; /* PCM information */
};

/* Chip access helper function */
static int chipio_send(struct hda_codec *codec,
               unsigned int reg,
               unsigned int data)
{
    unsigned int res;
    int retry = 50;

    /* send bits of data specified by reg */
    do {
        res = snd_hda_codec_read(codec, WIDGET_CHIP_CTRL, 0,
                     reg, data);
        if (res == VENDOR_STATUS_CHIPIO_OK)
            return 0;
    } while (--retry);
    return -EIO;
}

/*
 * Write chip address through the vendor widget -- NOT protected by the Mutex!
 */
static int chipio_write_address(struct hda_codec *codec,
                unsigned int chip_addx)
{
    int res;

    /* send low 16 bits of the address */
    res = chipio_send(codec, VENDOR_CHIPIO_ADDRESS_LOW,
              chip_addx & 0xffff);

    if (res != -EIO) {
        /* send high 16 bits of the address */
        res = chipio_send(codec, VENDOR_CHIPIO_ADDRESS_HIGH,
                  chip_addx >> 16);
    }

    return res;
}

/*
 * Write data through the vendor widget -- NOT protected by the Mutex!
 */

static int chipio_write_data(struct hda_codec *codec, unsigned int data)
{
    int res;

    /* send low 16 bits of the data */
    res = chipio_send(codec, VENDOR_CHIPIO_DATA_LOW, data & 0xffff);

    if (res != -EIO) {
        /* send high 16 bits of the data */
        res = chipio_send(codec, VENDOR_CHIPIO_DATA_HIGH,
                  data >> 16);
    }

    return res;
}

/*
 * Read data through the vendor widget -- NOT protected by the Mutex!
 */
static int chipio_read_data(struct hda_codec *codec, unsigned int *data)
{
    int res;

    /* post read */
    res = chipio_send(codec, VENDOR_CHIPIO_HIC_POST_READ, 0);

    if (res != -EIO) {
        /* read status */
        res = chipio_send(codec, VENDOR_CHIPIO_STATUS, 0);
    }

    if (res != -EIO) {
        /* read data */
        *data = snd_hda_codec_read(codec, WIDGET_CHIP_CTRL, 0,
                       VENDOR_CHIPIO_HIC_READ_DATA,
                       0);
    }

    return res;
}

/*
 * Write given value to the given address through the chip I/O widget.
 * protected by the Mutex
 */
static int chipio_write(struct hda_codec *codec,
        unsigned int chip_addx, const unsigned int data)
{
    struct ca0132_spec *spec = codec->spec;
    int err;

    mutex_lock(&spec->chipio_mutex);

    /* write the address, and if successful proceed to write data */
    err = chipio_write_address(codec, chip_addx);
    if (err < 0)
        goto exit;

    err = chipio_write_data(codec, data);
    if (err < 0)
        goto exit;

exit:
    mutex_unlock(&spec->chipio_mutex);
    return err;
}

/*
 * Read the given address through the chip I/O widget
 * protected by the Mutex
 */
static int chipio_read(struct hda_codec *codec,
        unsigned int chip_addx, unsigned int *data)
{
    struct ca0132_spec *spec = codec->spec;
    int err;

    mutex_lock(&spec->chipio_mutex);

    /* write the address, and if successful proceed to write data */
    err = chipio_write_address(codec, chip_addx);
    if (err < 0)
        goto exit;

    err = chipio_read_data(codec, data);
    if (err < 0)
        goto exit;

exit:
    mutex_unlock(&spec->chipio_mutex);
    return err;
}

/*
 * PCM callbacks
 */
static int ca0132_playback_pcm_open(struct hda_pcm_stream *hinfo,
                    struct hda_codec *codec,
                    struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_analog_open(codec, &spec->multiout, substream,
                         hinfo);
}

static int ca0132_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
            struct hda_codec *codec,
            unsigned int stream_tag,
            unsigned int format,
            struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_analog_prepare(codec, &spec->multiout,
                        stream_tag, format, substream);
}

static int ca0132_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
            struct hda_codec *codec,
            struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_analog_cleanup(codec, &spec->multiout);
}

/*
 * Digital out
 */
static int ca0132_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
                    struct hda_codec *codec,
                    struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int ca0132_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
            struct hda_codec *codec,
            unsigned int stream_tag,
            unsigned int format,
            struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
                         stream_tag, format, substream);
}

static int ca0132_dig_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
            struct hda_codec *codec,
            struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_cleanup(codec, &spec->multiout);
}

static int ca0132_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
                     struct hda_codec *codec,
                     struct snd_pcm_substream *substream)
{
    struct ca0132_spec *spec = codec->spec;
    return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

/*
 */
static struct hda_pcm_stream ca0132_pcm_analog_playback = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
    .ops = {
        .open = ca0132_playback_pcm_open,
        .prepare = ca0132_playback_pcm_prepare,
        .cleanup = ca0132_playback_pcm_cleanup
    },
};

static struct hda_pcm_stream ca0132_pcm_analog_capture = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
};

static struct hda_pcm_stream ca0132_pcm_digital_playback = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
    .ops = {
        .open = ca0132_dig_playback_pcm_open,
        .close = ca0132_dig_playback_pcm_close,
        .prepare = ca0132_dig_playback_pcm_prepare,
        .cleanup = ca0132_dig_playback_pcm_cleanup
    },
};

static struct hda_pcm_stream ca0132_pcm_digital_capture = {
    .substreams = 1,
    .channels_min = 2,
    .channels_max = 2,
};

static int ca0132_build_pcms(struct hda_codec *codec)
{
    struct ca0132_spec *spec = codec->spec;
    struct hda_pcm *info = spec->pcm_rec;

    codec->pcm_info = info;
    codec->num_pcms = 0;

    info->name = "CA0132 Analog";
    info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ca0132_pcm_analog_playback;
    info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dacs[0];
    info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max =
        spec->multiout.max_channels;
    info->stream[SNDRV_PCM_STREAM_CAPTURE] = ca0132_pcm_analog_capture;
    info->stream[SNDRV_PCM_STREAM_CAPTURE].substreams = spec->num_inputs;
    info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->adcs[0];
    codec->num_pcms++;

    if (!spec->dig_out && !spec->dig_in)
        return 0;

    info++;
    info->name = "CA0132 Digital";
    info->pcm_type = HDA_PCM_TYPE_SPDIF;
    if (spec->dig_out) {
        info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
            ca0132_pcm_digital_playback;
        info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->dig_out;
    }
    if (spec->dig_in) {
        info->stream[SNDRV_PCM_STREAM_CAPTURE] =
            ca0132_pcm_digital_capture;
        info->stream[SNDRV_PCM_STREAM_CAPTURE].nid = spec->dig_in;
    }
    codec->num_pcms++;

    return 0;
}

#define REG_CODEC_MUTE      0x18b014
#define REG_CODEC_HP_VOL_L  0x18b070
#define REG_CODEC_HP_VOL_R  0x18b074

static int ca0132_hp_switch_get(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct ca0132_spec *spec = codec->spec;
    long *valp = ucontrol->value.integer.value;

    *valp = spec->curr_hp_switch;
    return 0;
}

static int ca0132_hp_switch_put(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct ca0132_spec *spec = codec->spec;
    long *valp = ucontrol->value.integer.value;
    unsigned int data;
    int err;

    /* any change? */
    if (spec->curr_hp_switch == *valp)
        return 0;

    snd_hda_power_up(codec);

    err = chipio_read(codec, REG_CODEC_MUTE, &data);
    if (err < 0)
        goto exit;

    /* *valp 0 is mute, 1 is unmute */
    data = (data & 0x7f) | (*valp ? 0 : 0x80);
    err = chipio_write(codec, REG_CODEC_MUTE, data);
    if (err < 0)
        goto exit;

    spec->curr_hp_switch = *valp;

 exit:
    snd_hda_power_down(codec);
    return err < 0 ? err : 1;
}

static int ca0132_speaker_switch_get(struct snd_kcontrol *kcontrol,
                     struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct ca0132_spec *spec = codec->spec;
    long *valp = ucontrol->value.integer.value;

    *valp = spec->curr_speaker_switch;
    return 0;
}

static int ca0132_speaker_switch_put(struct snd_kcontrol *kcontrol,
                     struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct ca0132_spec *spec = codec->spec;
    long *valp = ucontrol->value.integer.value;
    unsigned int data;
    int err;

    /* any change? */
    if (spec->curr_speaker_switch == *valp)
        return 0;

    snd_hda_power_up(codec);

    err = chipio_read(codec, REG_CODEC_MUTE, &data);
    if (err < 0)
        goto exit;

    /* *valp 0 is mute, 1 is unmute */
    data = (data & 0xef) | (*valp ? 0 : 0x10);
    err = chipio_write(codec, REG_CODEC_MUTE, data);
    if (err < 0)
        goto exit;

    spec->curr_speaker_switch = *valp;

 exit:
    snd_hda_power_down(codec);
    return err < 0 ? err : 1;
}

static int ca0132_hp_volume_get(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct ca0132_spec *spec = codec->spec;
    long *valp = ucontrol->value.integer.value;

    *valp++ = spec->curr_hp_volume[0];
    *valp = spec->curr_hp_volume[1];
    return 0;
}

static int ca0132_hp_volume_put(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_value *ucontrol)
{
    struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
    struct ca0132_spec *spec = codec->spec;
    long *valp = ucontrol->value.integer.value;
    long left_vol, right_vol;
    unsigned int data;
    int val;
    int err;

    left_vol = *valp++;
    right_vol = *valp;

    /* any change? */
    if ((spec->curr_hp_volume[0] == left_vol) &&
        (spec->curr_hp_volume[1] == right_vol))
        return 0;

    snd_hda_power_up(codec);

    err = chipio_read(codec, REG_CODEC_HP_VOL_L, &data);
    if (err < 0)
        goto exit;

    val = 31 - left_vol;
    data = (data & 0xe0) | val;
    err = chipio_write(codec, REG_CODEC_HP_VOL_L, data);
    if (err < 0)
        goto exit;

    val = 31 - right_vol;
    data = (data & 0xe0) | val;
    err = chipio_write(codec, REG_CODEC_HP_VOL_R, data);
    if (err < 0)
        goto exit;

    spec->curr_hp_volume[0] = left_vol;
    spec->curr_hp_volume[1] = right_vol;

 exit:
    snd_hda_power_down(codec);
    return err < 0 ? err : 1;
}

static int add_hp_switch(struct hda_codec *codec, hda_nid_t nid)
{
    struct snd_kcontrol_new knew =
        HDA_CODEC_MUTE_MONO("Headphone Playback Switch",
                     nid, 1, 0, HDA_OUTPUT);
    knew.get = ca0132_hp_switch_get;
    knew.put = ca0132_hp_switch_put;
    return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

static int add_hp_volume(struct hda_codec *codec, hda_nid_t nid)
{
    struct snd_kcontrol_new knew =
        HDA_CODEC_VOLUME_MONO("Headphone Playback Volume",
                       nid, 3, 0, HDA_OUTPUT);
    knew.get = ca0132_hp_volume_get;
    knew.put = ca0132_hp_volume_put;
    return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

static int add_speaker_switch(struct hda_codec *codec, hda_nid_t nid)
{
    struct snd_kcontrol_new knew =
        HDA_CODEC_MUTE_MONO("Speaker Playback Switch",
                     nid, 1, 0, HDA_OUTPUT);
    knew.get = ca0132_speaker_switch_get;
    knew.put = ca0132_speaker_switch_put;
    return snd_hda_ctl_add(codec, nid, snd_ctl_new1(&knew, codec));
}

static void ca0132_fix_hp_caps(struct hda_codec *codec)
{
    struct ca0132_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;
    unsigned int caps;

    /* set mute-capable, 1db step, 32 steps, ofs 6 */
    caps = 0x80031f06;
    snd_hda_override_amp_caps(codec, cfg->hp_pins[0], HDA_OUTPUT, caps);
}

static int ca0132_build_controls(struct hda_codec *codec)
{
    struct ca0132_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;
    int i, err;

    if (spec->multiout.num_dacs) {
        err = add_speaker_switch(codec, spec->out_pins[0]);
        if (err < 0)
            return err;
    }

    if (cfg->hp_outs) {
        ca0132_fix_hp_caps(codec);
        err = add_hp_switch(codec, cfg->hp_pins[0]);
        if (err < 0)
            return err;
        err = add_hp_volume(codec, cfg->hp_pins[0]);
        if (err < 0)
            return err;
    }

    for (i = 0; i < spec->num_inputs; i++) {
        const char *label = spec->input_labels[i];

        err = add_in_switch(codec, spec->adcs[i], label);
        if (err < 0)
            return err;
        err = add_in_volume(codec, spec->adcs[i], label);
        if (err < 0)
            return err;
        if (cfg->inputs[i].type == AUTO_PIN_MIC) {
            /* add Mic-Boost */
            err = add_in_mono_volume(codec, spec->input_pins[i],
                         "Mic Boost", 1);
            if (err < 0)
                return err;
        }
    }

    if (spec->dig_out) {
        err = snd_hda_create_spdif_out_ctls(codec, spec->dig_out,
                            spec->dig_out);
        if (err < 0)
            return err;
        err = snd_hda_create_spdif_share_sw(codec, &spec->multiout);
        if (err < 0)
            return err;
        /* spec->multiout.share_spdif = 1; */
    }

    if (spec->dig_in) {
        err = snd_hda_create_spdif_in_ctls(codec, spec->dig_in);
        if (err < 0)
            return err;
    }
    return 0;
}


static void ca0132_set_ct_ext(struct hda_codec *codec, int enable)
{
    /* Set Creative extension */
    snd_printdd("SET CREATIVE EXTENSION\n");
    snd_hda_codec_write(codec, WIDGET_CHIP_CTRL, 0,
                VENDOR_CHIPIO_CT_EXTENSIONS_ENABLE,
                enable);
    msleep(20);
}


static void ca0132_config(struct hda_codec *codec)
{
    struct ca0132_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;

    codec->pcm_format_first = 1;
    codec->no_sticky_stream = 1;

    /* line-outs */
    cfg->line_outs = 1;
    cfg->line_out_pins[0] = 0x0b; /* front */
    cfg->line_out_type = AUTO_PIN_LINE_OUT;

    spec->dacs[0] = 0x02;
    spec->out_pins[0] = 0x0b;
    spec->multiout.dac_nids = spec->dacs;
    spec->multiout.num_dacs = 1;
    spec->multiout.max_channels = 2;

    /* headphone */
    cfg->hp_outs = 1;
    cfg->hp_pins[0] = 0x0f;

    spec->hp_dac = 0;
    spec->multiout.hp_nid = 0;

    /* inputs */
    cfg->num_inputs = 2;  /* Mic-in and line-in */
    cfg->inputs[0].pin = 0x12;
    cfg->inputs[0].type = AUTO_PIN_MIC;
    cfg->inputs[1].pin = 0x11;
    cfg->inputs[1].type = AUTO_PIN_LINE_IN;

    /* Mic-in */
    spec->input_pins[0] = 0x12;
    spec->input_labels[0] = "Mic";
    spec->adcs[0] = 0x07;

    /* Line-In */
    spec->input_pins[1] = 0x11;
    spec->input_labels[1] = "Line";
    spec->adcs[1] = 0x08;
    spec->num_inputs = 2;

    /* SPDIF I/O */
    spec->dig_out = 0x05;
    spec->multiout.dig_out_nid = spec->dig_out;
    cfg->dig_out_pins[0] = 0x0c;
    cfg->dig_outs = 1;
    cfg->dig_out_type[0] = HDA_PCM_TYPE_SPDIF;
    spec->dig_in = 0x09;
    cfg->dig_in_pin = 0x0e;
    cfg->dig_in_type = HDA_PCM_TYPE_SPDIF;
}

static void ca0132_init_chip(struct hda_codec *codec)
{
    struct ca0132_spec *spec = codec->spec;

    mutex_init(&spec->chipio_mutex);
}

static void ca0132_exit_chip(struct hda_codec *codec)
{
    /* put any chip cleanup stuffs here. */
}

static int ca0132_init(struct hda_codec *codec)
{
    struct ca0132_spec *spec = codec->spec;
    struct auto_pin_cfg *cfg = &spec->autocfg;
    int i;

    for (i = 0; i < spec->multiout.num_dacs; i++) {
        init_output(codec, spec->out_pins[i],
                spec->multiout.dac_nids[i]);
    }
    init_output(codec, cfg->hp_pins[0], spec->hp_dac);
    init_output(codec, cfg->dig_out_pins[0], spec->dig_out);

    for (i = 0; i < spec->num_inputs; i++)
        init_input(codec, spec->input_pins[i], spec->adcs[i]);

    init_input(codec, cfg->dig_in_pin, spec->dig_in);

    ca0132_set_ct_ext(codec, 1);

    return 0;
}


static void ca0132_free(struct hda_codec *codec)
{
    ca0132_set_ct_ext(codec, 0);
    ca0132_exit_chip(codec);
    kfree(codec->spec);
}

static struct hda_codec_ops ca0132_patch_ops = {
    .build_controls = ca0132_build_controls,
    .build_pcms = ca0132_build_pcms,
    .init = ca0132_init,
    .free = ca0132_free,
};



static int patch_ca0132(struct hda_codec *codec)
{
    struct ca0132_spec *spec;

    snd_printdd("patch_ca0132\n");

    spec = kzalloc(sizeof(*spec), GFP_KERNEL);
    if (!spec)
        return -ENOMEM;
    codec->spec = spec;

    ca0132_init_chip(codec);

    ca0132_config(codec);

    codec->patch_ops = ca0132_patch_ops;

    return 0;
}

/*
 * patch entries
 */
static struct hda_codec_preset snd_hda_preset_ca0132[] = {
    { .id = 0x11020011, .name = "CA0132",     .patch = patch_ca0132 },
    {} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:11020011");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Creative CA0132, CA0132 HD-audio codec");

static struct hda_codec_preset_list ca0132_list = {
    .preset = snd_hda_preset_ca0132,
    .owner = THIS_MODULE,
};

static int __init patch_ca0132_init(void)
{
    return snd_hda_add_codec_preset(&ca0132_list);
}

static void __exit patch_ca0132_exit(void)
{
    snd_hda_delete_codec_preset(&ca0132_list);
}

module_init(patch_ca0132_init)
module_exit(patch_ca0132_exit)