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root/sound/pci/ice1712/wtm.c

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DEFINITIONS

This source file includes following definitions.
  1. stac9460_put
  2. stac9460_get
  3. stac9460_2_put
  4. stac9460_2_get
  5. stac9460_dac_mute_get
  6. stac9460_dac_mute_put
  7. stac9460_dac_vol_info
  8. stac9460_dac_vol_get
  9. stac9460_dac_vol_put
  10. stac9460_adc_mute_get
  11. stac9460_adc_mute_put
  12. stac9460_adc_vol_info
  13. stac9460_adc_vol_get
  14. stac9460_adc_vol_put
  15. stac9460_mic_sw_get
  16. stac9460_mic_sw_put
  17. wtm_add_controls
  18. wtm_init

/*
 *      ALSA driver for ICEnsemble VT1724 (Envy24HT)
 *
 *      Lowlevel functions for Ego Sys Waveterminal 192M
 *
 *              Copyright (c) 2006 Guedez Clement <klem.dev@gmail.com>
 *              Some functions are taken from the Prodigy192 driver
 *              source
 *
 *      This program 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 program 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/io.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <sound/core.h>

#include "ice1712.h"
#include "envy24ht.h"
#include "wtm.h"
#include "stac946x.h"


/*
 *      2*ADC 6*DAC no1 ringbuffer r/w on i2c bus
 */
static inline void stac9460_put(struct snd_ice1712 *ice, int reg,
                                                unsigned char val)
{
        snd_vt1724_write_i2c(ice, STAC9460_I2C_ADDR, reg, val);
}

static inline unsigned char stac9460_get(struct snd_ice1712 *ice, int reg)
{
        return snd_vt1724_read_i2c(ice, STAC9460_I2C_ADDR, reg);
}

/*
 *      2*ADC 2*DAC no2 ringbuffer r/w on i2c bus
 */
static inline void stac9460_2_put(struct snd_ice1712 *ice, int reg,
                                                unsigned char val)
{
        snd_vt1724_write_i2c(ice, STAC9460_2_I2C_ADDR, reg, val);
}

static inline unsigned char stac9460_2_get(struct snd_ice1712 *ice, int reg)
{
        return snd_vt1724_read_i2c(ice, STAC9460_2_I2C_ADDR, reg);
}


/*
 *      DAC mute control
 */
#define stac9460_dac_mute_info          snd_ctl_boolean_mono_info

static int stac9460_dac_mute_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        unsigned char val;
        int idx, id;

        if (kcontrol->private_value) {
                idx = STAC946X_MASTER_VOLUME;
                id = 0;
        } else {
                id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
                idx = id + STAC946X_LF_VOLUME;
        }
        if (id < 6)
                val = stac9460_get(ice, idx);
        else
                val = stac9460_2_get(ice, idx - 6);
        ucontrol->value.integer.value[0] = (~val >> 7) & 0x1;
        return 0;
}

static int stac9460_dac_mute_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        unsigned char new, old;
        int id, idx;
        int change;

        if (kcontrol->private_value) {
                idx = STAC946X_MASTER_VOLUME;
                old = stac9460_get(ice, idx);
                new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
                                                        (old & ~0x80);
                change = (new != old);
                if (change) {
                        stac9460_put(ice, idx, new);
                        stac9460_2_put(ice, idx, new);
                }
        } else {
                id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
                idx = id + STAC946X_LF_VOLUME;
                if (id < 6)
                        old = stac9460_get(ice, idx);
                else
                        old = stac9460_2_get(ice, idx - 6);
                new = (~ucontrol->value.integer.value[0] << 7 & 0x80) |
                                                        (old & ~0x80);
                change = (new != old);
                if (change) {
                        if (id < 6)
                                stac9460_put(ice, idx, new);
                        else
                                stac9460_2_put(ice, idx - 6, new);
                }
        }
        return change;
}

/*
 *      DAC volume attenuation mixer control
 */
static int stac9460_dac_vol_info(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_info *uinfo)
{
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 1;
        uinfo->value.integer.min = 0;                   /* mute */
        uinfo->value.integer.max = 0x7f;                /* 0dB */
        return 0;
}

static int stac9460_dac_vol_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        int idx, id;
        unsigned char vol;

        if (kcontrol->private_value) {
                idx = STAC946X_MASTER_VOLUME;
                id = 0;
        } else {
                id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
                idx = id + STAC946X_LF_VOLUME;
        }
        if (id < 6)
                vol = stac9460_get(ice, idx) & 0x7f;
        else
                vol = stac9460_2_get(ice, idx - 6) & 0x7f;
        ucontrol->value.integer.value[0] = 0x7f - vol;
        return 0;
}

static int stac9460_dac_vol_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        int idx, id;
        unsigned char tmp, ovol, nvol;
        int change;

        if (kcontrol->private_value) {
                idx = STAC946X_MASTER_VOLUME;
                nvol = ucontrol->value.integer.value[0] & 0x7f;
                tmp = stac9460_get(ice, idx);
                ovol = 0x7f - (tmp & 0x7f);
                change = (ovol != nvol);
                if (change) {
                        stac9460_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
                        stac9460_2_put(ice, idx, (0x7f - nvol) | (tmp & 0x80));
                }
        } else {
                id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
                idx = id + STAC946X_LF_VOLUME;
                nvol = ucontrol->value.integer.value[0] & 0x7f;
                if (id < 6)
                        tmp = stac9460_get(ice, idx);
                else
                        tmp = stac9460_2_get(ice, idx - 6);
                ovol = 0x7f - (tmp & 0x7f);
                change = (ovol != nvol);
                if (change) {
                        if (id < 6)
                                stac9460_put(ice, idx, (0x7f - nvol) |
                                                        (tmp & 0x80));
                        else
                                stac9460_2_put(ice, idx-6, (0x7f - nvol) |
                                                        (tmp & 0x80));
                }
        }
        return change;
}

/*
 * ADC mute control
 */
#define stac9460_adc_mute_info          snd_ctl_boolean_stereo_info

static int stac9460_adc_mute_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        unsigned char val;
        int i, id;

        id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
        if (id == 0) {
                for (i = 0; i < 2; ++i) {
                        val = stac9460_get(ice, STAC946X_MIC_L_VOLUME + i);
                        ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
                }
        } else {
                for (i = 0; i < 2; ++i) {
                        val = stac9460_2_get(ice, STAC946X_MIC_L_VOLUME + i);
                        ucontrol->value.integer.value[i] = ~val>>7 & 0x1;
                }
        }
        return 0;
}

static int stac9460_adc_mute_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        unsigned char new, old;
        int i, reg, id;
        int change;

        id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
        if (id == 0) {
                for (i = 0; i < 2; ++i) {
                        reg = STAC946X_MIC_L_VOLUME + i;
                        old = stac9460_get(ice, reg);
                        new = (~ucontrol->value.integer.value[i]<<7&0x80) |
                                                                (old&~0x80);
                        change = (new != old);
                        if (change)
                                stac9460_put(ice, reg, new);
                }
        } else {
                for (i = 0; i < 2; ++i) {
                        reg = STAC946X_MIC_L_VOLUME + i;
                        old = stac9460_2_get(ice, reg);
                        new = (~ucontrol->value.integer.value[i]<<7&0x80) |
                                                                (old&~0x80);
                        change = (new != old);
                        if (change)
                                stac9460_2_put(ice, reg, new);
                }
        }
        return change;
}

/*
 *ADC gain mixer control
 */
static int stac9460_adc_vol_info(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_info *uinfo)
{
        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
        uinfo->count = 2;
        uinfo->value.integer.min = 0;           /* 0dB */
        uinfo->value.integer.max = 0x0f;        /* 22.5dB */
        return 0;
}

static int stac9460_adc_vol_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        int i, reg, id;
        unsigned char vol;

        id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
        if (id == 0) {
                for (i = 0; i < 2; ++i) {
                        reg = STAC946X_MIC_L_VOLUME + i;
                        vol = stac9460_get(ice, reg) & 0x0f;
                        ucontrol->value.integer.value[i] = 0x0f - vol;
                }
        } else {
                for (i = 0; i < 2; ++i) {
                        reg = STAC946X_MIC_L_VOLUME + i;
                        vol = stac9460_2_get(ice, reg) & 0x0f;
                        ucontrol->value.integer.value[i] = 0x0f - vol;
                }
        }
        return 0;
}

static int stac9460_adc_vol_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        int i, reg, id;
        unsigned char ovol, nvol;
        int change;

        id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
        if (id == 0) {
                for (i = 0; i < 2; ++i) {
                        reg = STAC946X_MIC_L_VOLUME + i;
                        nvol = ucontrol->value.integer.value[i] & 0x0f;
                        ovol = 0x0f - stac9460_get(ice, reg);
                        change = ((ovol & 0x0f) != nvol);
                        if (change)
                                stac9460_put(ice, reg, (0x0f - nvol) |
                                                        (ovol & ~0x0f));
                }
        } else {
                for (i = 0; i < 2; ++i) {
                        reg = STAC946X_MIC_L_VOLUME + i;
                        nvol = ucontrol->value.integer.value[i] & 0x0f;
                        ovol = 0x0f - stac9460_2_get(ice, reg);
                        change = ((ovol & 0x0f) != nvol);
                        if (change)
                                stac9460_2_put(ice, reg, (0x0f - nvol) |
                                                        (ovol & ~0x0f));
                }
        }
        return change;
}

/*
 * MIC / LINE switch fonction
 */

#define stac9460_mic_sw_info            snd_ctl_boolean_mono_info

static int stac9460_mic_sw_get(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        unsigned char val;
        int id;

        id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
        if (id == 0)
                val = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
        else
                val = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
        ucontrol->value.integer.value[0] = ~val>>7 & 0x1;
        return 0;
}

static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol,
                                struct snd_ctl_elem_value *ucontrol)
{
        struct snd_ice1712 *ice = snd_kcontrol_chip(kcontrol);
        unsigned char new, old;
        int change, id;

        id = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
        if (id == 0)
                old = stac9460_get(ice, STAC946X_GENERAL_PURPOSE);
        else
                old = stac9460_2_get(ice, STAC946X_GENERAL_PURPOSE);
        new = (~ucontrol->value.integer.value[0] << 7 & 0x80) | (old & ~0x80);
        change = (new != old);
        if (change) {
                if (id == 0)
                        stac9460_put(ice, STAC946X_GENERAL_PURPOSE, new);
                else
                        stac9460_2_put(ice, STAC946X_GENERAL_PURPOSE, new);
        }
        return change;
}

/*
 * Control tabs
 */
static struct snd_kcontrol_new stac9640_controls[] __devinitdata = {
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "Master Playback Switch",
                .info = stac9460_dac_mute_info,
                .get = stac9460_dac_mute_get,
                .put = stac9460_dac_mute_put,
                .private_value = 1
        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "Master Playback Volume",
                .info = stac9460_dac_vol_info,
                .get = stac9460_dac_vol_get,
                .put = stac9460_dac_vol_put,
                .private_value = 1,
        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "MIC/Line switch",
                .count = 2,
                .info = stac9460_mic_sw_info,
                .get = stac9460_mic_sw_get,
                .put = stac9460_mic_sw_put,

        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "DAC Switch",
                .count = 8,
                .info = stac9460_dac_mute_info,
                .get = stac9460_dac_mute_get,
                .put = stac9460_dac_mute_put,
        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "DAC Volume",
                .count = 8,
                .info = stac9460_dac_vol_info,
                .get = stac9460_dac_vol_get,
                .put = stac9460_dac_vol_put,
        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "ADC Switch",
                .count = 2,
                .info = stac9460_adc_mute_info,
                .get = stac9460_adc_mute_get,
                .put = stac9460_adc_mute_put,
        },
        {
                .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
                .name = "ADC Volume",
                .count = 2,
                .info = stac9460_adc_vol_info,
                .get = stac9460_adc_vol_get,
                .put = stac9460_adc_vol_put,

        }
};



/*INIT*/
static int __devinit wtm_add_controls(struct snd_ice1712 *ice)
{
        unsigned int i;
        int err;

        for (i = 0; i < ARRAY_SIZE(stac9640_controls); i++) {
                err = snd_ctl_add(ice->card,
                                snd_ctl_new1(&stac9640_controls[i], ice));
                if (err < 0)
                        return err;
        }
        return 0;
}

static int __devinit wtm_init(struct snd_ice1712 *ice)
{
        static unsigned short stac_inits_prodigy[] = {
                STAC946X_RESET, 0,
                (unsigned short)-1
        };
        unsigned short *p;

        /*WTM 192M*/
        ice->num_total_dacs = 8;
        ice->num_total_adcs = 4;
        ice->force_rdma1 = 1;

        /*initialize codec*/
        p = stac_inits_prodigy;
        for (; *p != (unsigned short)-1; p += 2) {
                stac9460_put(ice, p[0], p[1]);
                stac9460_2_put(ice, p[0], p[1]);
        }
        return 0;
}


static unsigned char wtm_eeprom[] __devinitdata = {
        0x47,   /*SYSCONF: clock 192KHz, 4ADC, 8DAC */
        0x80,   /* ACLINK : I2S */
        0xf8,   /* I2S: vol; 96k, 24bit, 192k */
        0xc1    /*SPDIF: out-en, spidf ext out*/,
        0x9f,   /* GPIO_DIR */
        0xff,   /* GPIO_DIR1 */
        0x7f,   /* GPIO_DIR2 */
        0x9f,   /* GPIO_MASK */
        0xff,   /* GPIO_MASK1 */
        0x7f,   /* GPIO_MASK2 */
        0x16,   /* GPIO_STATE */
        0x80,   /* GPIO_STATE1 */
        0x00,   /* GPIO_STATE2 */
};


/*entry point*/
struct snd_ice1712_card_info snd_vt1724_wtm_cards[] __devinitdata = {
        {
                .subvendor = VT1724_SUBDEVICE_WTM,
                .name = "ESI Waveterminal 192M",
                .model = "WT192M",
                .chip_init = wtm_init,
                .build_controls = wtm_add_controls,
                .eeprom_size = sizeof(wtm_eeprom),
                .eeprom_data = wtm_eeprom,
        },
        {} /*terminator*/
};

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