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-rw-r--r--sound/pci/oxygen/xonar_wm87x6.c1106
1 files changed, 1106 insertions, 0 deletions
diff --git a/sound/pci/oxygen/xonar_wm87x6.c b/sound/pci/oxygen/xonar_wm87x6.c
new file mode 100644
index 00000000000..200f7601276
--- /dev/null
+++ b/sound/pci/oxygen/xonar_wm87x6.c
@@ -0,0 +1,1106 @@
+/*
+ * card driver for models with WM8776/WM8766 DACs (Xonar DS)
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Xonar DS
+ * --------
+ *
+ * CMI8788:
+ *
+ * SPI 0 -> WM8766 (surround, center/LFE, back)
+ * SPI 1 -> WM8776 (front, input)
+ *
+ * GPIO 4 <- headphone detect, 0 = plugged
+ * GPIO 6 -> route input jack to mic-in (0) or line-in (1)
+ * GPIO 7 -> enable output to front L/R speaker channels
+ * GPIO 8 -> enable output to other speaker channels and front panel headphone
+ *
+ * WM8766:
+ *
+ * input 1 <- line
+ * input 2 <- mic
+ * input 3 <- front mic
+ * input 4 <- aux
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include "xonar.h"
+#include "wm8776.h"
+#include "wm8766.h"
+
+#define GPIO_DS_HP_DETECT 0x0010
+#define GPIO_DS_INPUT_ROUTE 0x0040
+#define GPIO_DS_OUTPUT_FRONTLR 0x0080
+#define GPIO_DS_OUTPUT_ENABLE 0x0100
+
+#define LC_CONTROL_LIMITER 0x40000000
+#define LC_CONTROL_ALC 0x20000000
+
+struct xonar_wm87x6 {
+ struct xonar_generic generic;
+ u16 wm8776_regs[0x17];
+ u16 wm8766_regs[0x10];
+ struct snd_kcontrol *line_adcmux_control;
+ struct snd_kcontrol *mic_adcmux_control;
+ struct snd_kcontrol *lc_controls[13];
+ struct snd_jack *hp_jack;
+};
+
+static void wm8776_write(struct oxygen *chip,
+ unsigned int reg, unsigned int value)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
+ OXYGEN_SPI_DATA_LENGTH_2 |
+ OXYGEN_SPI_CLOCK_160 |
+ (1 << OXYGEN_SPI_CODEC_SHIFT) |
+ OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
+ (reg << 9) | value);
+ if (reg < ARRAY_SIZE(data->wm8776_regs)) {
+ if (reg >= WM8776_HPLVOL && reg <= WM8776_DACMASTER)
+ value &= ~WM8776_UPDATE;
+ data->wm8776_regs[reg] = value;
+ }
+}
+
+static void wm8776_write_cached(struct oxygen *chip,
+ unsigned int reg, unsigned int value)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ if (reg >= ARRAY_SIZE(data->wm8776_regs) ||
+ value != data->wm8776_regs[reg])
+ wm8776_write(chip, reg, value);
+}
+
+static void wm8766_write(struct oxygen *chip,
+ unsigned int reg, unsigned int value)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
+ OXYGEN_SPI_DATA_LENGTH_2 |
+ OXYGEN_SPI_CLOCK_160 |
+ (0 << OXYGEN_SPI_CODEC_SHIFT) |
+ OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
+ (reg << 9) | value);
+ if (reg < ARRAY_SIZE(data->wm8766_regs)) {
+ if ((reg >= WM8766_LDA1 && reg <= WM8766_RDA1) ||
+ (reg >= WM8766_LDA2 && reg <= WM8766_MASTDA))
+ value &= ~WM8766_UPDATE;
+ data->wm8766_regs[reg] = value;
+ }
+}
+
+static void wm8766_write_cached(struct oxygen *chip,
+ unsigned int reg, unsigned int value)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ if (reg >= ARRAY_SIZE(data->wm8766_regs) ||
+ value != data->wm8766_regs[reg])
+ wm8766_write(chip, reg, value);
+}
+
+static void wm8776_registers_init(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ wm8776_write(chip, WM8776_RESET, 0);
+ wm8776_write(chip, WM8776_DACCTRL1, WM8776_DZCEN |
+ WM8776_PL_LEFT_LEFT | WM8776_PL_RIGHT_RIGHT);
+ wm8776_write(chip, WM8776_DACMUTE, chip->dac_mute ? WM8776_DMUTE : 0);
+ wm8776_write(chip, WM8776_DACIFCTRL,
+ WM8776_DACFMT_LJUST | WM8776_DACWL_24);
+ wm8776_write(chip, WM8776_ADCIFCTRL,
+ data->wm8776_regs[WM8776_ADCIFCTRL]);
+ wm8776_write(chip, WM8776_MSTRCTRL, data->wm8776_regs[WM8776_MSTRCTRL]);
+ wm8776_write(chip, WM8776_PWRDOWN, data->wm8776_regs[WM8776_PWRDOWN]);
+ wm8776_write(chip, WM8776_HPLVOL, data->wm8776_regs[WM8776_HPLVOL]);
+ wm8776_write(chip, WM8776_HPRVOL, data->wm8776_regs[WM8776_HPRVOL] |
+ WM8776_UPDATE);
+ wm8776_write(chip, WM8776_ADCLVOL, data->wm8776_regs[WM8776_ADCLVOL]);
+ wm8776_write(chip, WM8776_ADCRVOL, data->wm8776_regs[WM8776_ADCRVOL]);
+ wm8776_write(chip, WM8776_ADCMUX, data->wm8776_regs[WM8776_ADCMUX]);
+ wm8776_write(chip, WM8776_DACLVOL, chip->dac_volume[0]);
+ wm8776_write(chip, WM8776_DACRVOL, chip->dac_volume[1] | WM8776_UPDATE);
+}
+
+static void wm8766_registers_init(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ wm8766_write(chip, WM8766_RESET, 0);
+ wm8766_write(chip, WM8766_DAC_CTRL, data->wm8766_regs[WM8766_DAC_CTRL]);
+ wm8766_write(chip, WM8766_INT_CTRL, WM8766_FMT_LJUST | WM8766_IWL_24);
+ wm8766_write(chip, WM8766_DAC_CTRL2,
+ WM8766_ZCD | (chip->dac_mute ? WM8766_DMUTE_MASK : 0));
+ wm8766_write(chip, WM8766_LDA1, chip->dac_volume[2]);
+ wm8766_write(chip, WM8766_RDA1, chip->dac_volume[3]);
+ wm8766_write(chip, WM8766_LDA2, chip->dac_volume[4]);
+ wm8766_write(chip, WM8766_RDA2, chip->dac_volume[5]);
+ wm8766_write(chip, WM8766_LDA3, chip->dac_volume[6]);
+ wm8766_write(chip, WM8766_RDA3, chip->dac_volume[7] | WM8766_UPDATE);
+}
+
+static void wm8776_init(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ data->wm8776_regs[WM8776_HPLVOL] = (0x79 - 60) | WM8776_HPZCEN;
+ data->wm8776_regs[WM8776_HPRVOL] = (0x79 - 60) | WM8776_HPZCEN;
+ data->wm8776_regs[WM8776_ADCIFCTRL] =
+ WM8776_ADCFMT_LJUST | WM8776_ADCWL_24 | WM8776_ADCMCLK;
+ data->wm8776_regs[WM8776_MSTRCTRL] =
+ WM8776_ADCRATE_256 | WM8776_DACRATE_256;
+ data->wm8776_regs[WM8776_PWRDOWN] = WM8776_HPPD;
+ data->wm8776_regs[WM8776_ADCLVOL] = 0xa5 | WM8776_ZCA;
+ data->wm8776_regs[WM8776_ADCRVOL] = 0xa5 | WM8776_ZCA;
+ data->wm8776_regs[WM8776_ADCMUX] = 0x001;
+ wm8776_registers_init(chip);
+}
+
+static void wm8766_init(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ data->wm8766_regs[WM8766_DAC_CTRL] =
+ WM8766_PL_LEFT_LEFT | WM8766_PL_RIGHT_RIGHT;
+ wm8766_registers_init(chip);
+}
+
+static void xonar_ds_handle_hp_jack(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+ bool hp_plugged;
+ unsigned int reg;
+
+ mutex_lock(&chip->mutex);
+
+ hp_plugged = !(oxygen_read16(chip, OXYGEN_GPIO_DATA) &
+ GPIO_DS_HP_DETECT);
+
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+ hp_plugged ? 0 : GPIO_DS_OUTPUT_FRONTLR,
+ GPIO_DS_OUTPUT_FRONTLR);
+
+ reg = data->wm8766_regs[WM8766_DAC_CTRL] & ~WM8766_MUTEALL;
+ if (hp_plugged)
+ reg |= WM8766_MUTEALL;
+ wm8766_write_cached(chip, WM8766_DAC_CTRL, reg);
+
+ snd_jack_report(data->hp_jack, hp_plugged ? SND_JACK_HEADPHONE : 0);
+
+ mutex_unlock(&chip->mutex);
+}
+
+static void xonar_ds_init(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ data->generic.anti_pop_delay = 300;
+ data->generic.output_enable_bit = GPIO_DS_OUTPUT_ENABLE;
+
+ wm8776_init(chip);
+ wm8766_init(chip);
+
+ oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
+ GPIO_DS_INPUT_ROUTE | GPIO_DS_OUTPUT_FRONTLR);
+ oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
+ GPIO_DS_HP_DETECT);
+ oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_DS_INPUT_ROUTE);
+ oxygen_set_bits16(chip, OXYGEN_GPIO_INTERRUPT_MASK, GPIO_DS_HP_DETECT);
+ chip->interrupt_mask |= OXYGEN_INT_GPIO;
+
+ xonar_enable_output(chip);
+
+ snd_jack_new(chip->card, "Headphone",
+ SND_JACK_HEADPHONE, &data->hp_jack);
+ xonar_ds_handle_hp_jack(chip);
+
+ snd_component_add(chip->card, "WM8776");
+ snd_component_add(chip->card, "WM8766");
+}
+
+static void xonar_ds_cleanup(struct oxygen *chip)
+{
+ xonar_disable_output(chip);
+ wm8776_write(chip, WM8776_RESET, 0);
+}
+
+static void xonar_ds_suspend(struct oxygen *chip)
+{
+ xonar_ds_cleanup(chip);
+}
+
+static void xonar_ds_resume(struct oxygen *chip)
+{
+ wm8776_registers_init(chip);
+ wm8766_registers_init(chip);
+ xonar_enable_output(chip);
+ xonar_ds_handle_hp_jack(chip);
+}
+
+static void wm8776_adc_hardware_filter(unsigned int channel,
+ struct snd_pcm_hardware *hardware)
+{
+ if (channel == PCM_A) {
+ hardware->rates = SNDRV_PCM_RATE_32000 |
+ SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_64000 |
+ SNDRV_PCM_RATE_88200 |
+ SNDRV_PCM_RATE_96000;
+ hardware->rate_max = 96000;
+ }
+}
+
+static void set_wm87x6_dac_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+}
+
+static void set_wm8776_adc_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+ u16 reg;
+
+ reg = WM8776_ADCRATE_256 | WM8776_DACRATE_256;
+ if (params_rate(params) > 48000)
+ reg |= WM8776_ADCOSR;
+ wm8776_write_cached(chip, WM8776_MSTRCTRL, reg);
+}
+
+static void update_wm8776_volume(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+ u8 to_change;
+
+ if (chip->dac_volume[0] == chip->dac_volume[1]) {
+ if (chip->dac_volume[0] != data->wm8776_regs[WM8776_DACLVOL] ||
+ chip->dac_volume[1] != data->wm8776_regs[WM8776_DACRVOL]) {
+ wm8776_write(chip, WM8776_DACMASTER,
+ chip->dac_volume[0] | WM8776_UPDATE);
+ data->wm8776_regs[WM8776_DACLVOL] = chip->dac_volume[0];
+ data->wm8776_regs[WM8776_DACRVOL] = chip->dac_volume[0];
+ }
+ } else {
+ to_change = (chip->dac_volume[0] !=
+ data->wm8776_regs[WM8776_DACLVOL]) << 0;
+ to_change |= (chip->dac_volume[1] !=
+ data->wm8776_regs[WM8776_DACLVOL]) << 1;
+ if (to_change & 1)
+ wm8776_write(chip, WM8776_DACLVOL, chip->dac_volume[0] |
+ ((to_change & 2) ? 0 : WM8776_UPDATE));
+ if (to_change & 2)
+ wm8776_write(chip, WM8776_DACRVOL,
+ chip->dac_volume[1] | WM8776_UPDATE);
+ }
+}
+
+static void update_wm87x6_volume(struct oxygen *chip)
+{
+ static const u8 wm8766_regs[6] = {
+ WM8766_LDA1, WM8766_RDA1,
+ WM8766_LDA2, WM8766_RDA2,
+ WM8766_LDA3, WM8766_RDA3,
+ };
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int i;
+ u8 to_change;
+
+ update_wm8776_volume(chip);
+ if (chip->dac_volume[2] == chip->dac_volume[3] &&
+ chip->dac_volume[2] == chip->dac_volume[4] &&
+ chip->dac_volume[2] == chip->dac_volume[5] &&
+ chip->dac_volume[2] == chip->dac_volume[6] &&
+ chip->dac_volume[2] == chip->dac_volume[7]) {
+ to_change = 0;
+ for (i = 0; i < 6; ++i)
+ if (chip->dac_volume[2] !=
+ data->wm8766_regs[wm8766_regs[i]])
+ to_change = 1;
+ if (to_change) {
+ wm8766_write(chip, WM8766_MASTDA,
+ chip->dac_volume[2] | WM8766_UPDATE);
+ for (i = 0; i < 6; ++i)
+ data->wm8766_regs[wm8766_regs[i]] =
+ chip->dac_volume[2];
+ }
+ } else {
+ to_change = 0;
+ for (i = 0; i < 6; ++i)
+ to_change |= (chip->dac_volume[2 + i] !=
+ data->wm8766_regs[wm8766_regs[i]]) << i;
+ for (i = 0; i < 6; ++i)
+ if (to_change & (1 << i))
+ wm8766_write(chip, wm8766_regs[i],
+ chip->dac_volume[2 + i] |
+ ((to_change & (0x3e << i))
+ ? 0 : WM8766_UPDATE));
+ }
+}
+
+static void update_wm8776_mute(struct oxygen *chip)
+{
+ wm8776_write_cached(chip, WM8776_DACMUTE,
+ chip->dac_mute ? WM8776_DMUTE : 0);
+}
+
+static void update_wm87x6_mute(struct oxygen *chip)
+{
+ update_wm8776_mute(chip);
+ wm8766_write_cached(chip, WM8766_DAC_CTRL2, WM8766_ZCD |
+ (chip->dac_mute ? WM8766_DMUTE_MASK : 0));
+}
+
+static void update_wm8766_center_lfe_mix(struct oxygen *chip, bool mixed)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int reg;
+
+ /*
+ * The WM8766 can mix left and right channels, but this setting
+ * applies to all three stereo pairs.
+ */
+ reg = data->wm8766_regs[WM8766_DAC_CTRL] &
+ ~(WM8766_PL_LEFT_MASK | WM8766_PL_RIGHT_MASK);
+ if (mixed)
+ reg |= WM8766_PL_LEFT_LRMIX | WM8766_PL_RIGHT_LRMIX;
+ else
+ reg |= WM8766_PL_LEFT_LEFT | WM8766_PL_RIGHT_RIGHT;
+ wm8766_write_cached(chip, WM8766_DAC_CTRL, reg);
+}
+
+static void xonar_ds_gpio_changed(struct oxygen *chip)
+{
+ xonar_ds_handle_hp_jack(chip);
+}
+
+static int wm8776_bit_switch_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ u16 bit = ctl->private_value & 0xffff;
+ unsigned int reg_index = (ctl->private_value >> 16) & 0xff;
+ bool invert = (ctl->private_value >> 24) & 1;
+
+ value->value.integer.value[0] =
+ ((data->wm8776_regs[reg_index] & bit) != 0) ^ invert;
+ return 0;
+}
+
+static int wm8776_bit_switch_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ u16 bit = ctl->private_value & 0xffff;
+ u16 reg_value;
+ unsigned int reg_index = (ctl->private_value >> 16) & 0xff;
+ bool invert = (ctl->private_value >> 24) & 1;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ reg_value = data->wm8776_regs[reg_index] & ~bit;
+ if (value->value.integer.value[0] ^ invert)
+ reg_value |= bit;
+ changed = reg_value != data->wm8776_regs[reg_index];
+ if (changed)
+ wm8776_write(chip, reg_index, reg_value);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int wm8776_field_enum_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const hld[16] = {
+ "0 ms", "2.67 ms", "5.33 ms", "10.6 ms",
+ "21.3 ms", "42.7 ms", "85.3 ms", "171 ms",
+ "341 ms", "683 ms", "1.37 s", "2.73 s",
+ "5.46 s", "10.9 s", "21.8 s", "43.7 s",
+ };
+ static const char *const atk_lim[11] = {
+ "0.25 ms", "0.5 ms", "1 ms", "2 ms",
+ "4 ms", "8 ms", "16 ms", "32 ms",
+ "64 ms", "128 ms", "256 ms",
+ };
+ static const char *const atk_alc[11] = {
+ "8.40 ms", "16.8 ms", "33.6 ms", "67.2 ms",
+ "134 ms", "269 ms", "538 ms", "1.08 s",
+ "2.15 s", "4.3 s", "8.6 s",
+ };
+ static const char *const dcy_lim[11] = {
+ "1.2 ms", "2.4 ms", "4.8 ms", "9.6 ms",
+ "19.2 ms", "38.4 ms", "76.8 ms", "154 ms",
+ "307 ms", "614 ms", "1.23 s",
+ };
+ static const char *const dcy_alc[11] = {
+ "33.5 ms", "67.0 ms", "134 ms", "268 ms",
+ "536 ms", "1.07 s", "2.14 s", "4.29 s",
+ "8.58 s", "17.2 s", "34.3 s",
+ };
+ static const char *const tranwin[8] = {
+ "0 us", "62.5 us", "125 us", "250 us",
+ "500 us", "1 ms", "2 ms", "4 ms",
+ };
+ u8 max;
+ const char *const *names;
+
+ max = (ctl->private_value >> 12) & 0xf;
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = max + 1;
+ if (info->value.enumerated.item > max)
+ info->value.enumerated.item = max;
+ switch ((ctl->private_value >> 24) & 0x1f) {
+ case WM8776_ALCCTRL2:
+ names = hld;
+ break;
+ case WM8776_ALCCTRL3:
+ if (((ctl->private_value >> 20) & 0xf) == 0) {
+ if (ctl->private_value & LC_CONTROL_LIMITER)
+ names = atk_lim;
+ else
+ names = atk_alc;
+ } else {
+ if (ctl->private_value & LC_CONTROL_LIMITER)
+ names = dcy_lim;
+ else
+ names = dcy_alc;
+ }
+ break;
+ case WM8776_LIMITER:
+ names = tranwin;
+ break;
+ default:
+ return -ENXIO;
+ }
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int wm8776_field_volume_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ info->count = 1;
+ info->value.integer.min = (ctl->private_value >> 8) & 0xf;
+ info->value.integer.max = (ctl->private_value >> 12) & 0xf;
+ return 0;
+}
+
+static void wm8776_field_set_from_ctl(struct snd_kcontrol *ctl)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int value, reg_index, mode;
+ u8 min, max, shift;
+ u16 mask, reg_value;
+ bool invert;
+
+ if ((data->wm8776_regs[WM8776_ALCCTRL1] & WM8776_LCSEL_MASK) ==
+ WM8776_LCSEL_LIMITER)
+ mode = LC_CONTROL_LIMITER;
+ else
+ mode = LC_CONTROL_ALC;
+ if (!(ctl->private_value & mode))
+ return;
+
+ value = ctl->private_value & 0xf;
+ min = (ctl->private_value >> 8) & 0xf;
+ max = (ctl->private_value >> 12) & 0xf;
+ mask = (ctl->private_value >> 16) & 0xf;
+ shift = (ctl->private_value >> 20) & 0xf;
+ reg_index = (ctl->private_value >> 24) & 0x1f;
+ invert = (ctl->private_value >> 29) & 0x1;
+
+ if (invert)
+ value = max - (value - min);
+ reg_value = data->wm8776_regs[reg_index];
+ reg_value &= ~(mask << shift);
+ reg_value |= value << shift;
+ wm8776_write_cached(chip, reg_index, reg_value);
+}
+
+static int wm8776_field_set(struct snd_kcontrol *ctl, unsigned int value)
+{
+ struct oxygen *chip = ctl->private_data;
+ u8 min, max;
+ int changed;
+
+ min = (ctl->private_value >> 8) & 0xf;
+ max = (ctl->private_value >> 12) & 0xf;
+ if (value < min || value > max)
+ return -EINVAL;
+ mutex_lock(&chip->mutex);
+ changed = value != (ctl->private_value & 0xf);
+ if (changed) {
+ ctl->private_value = (ctl->private_value & ~0xf) | value;
+ wm8776_field_set_from_ctl(ctl);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int wm8776_field_enum_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ value->value.enumerated.item[0] = ctl->private_value & 0xf;
+ return 0;
+}
+
+static int wm8776_field_volume_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ value->value.integer.value[0] = ctl->private_value & 0xf;
+ return 0;
+}
+
+static int wm8776_field_enum_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ return wm8776_field_set(ctl, value->value.enumerated.item[0]);
+}
+
+static int wm8776_field_volume_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ return wm8776_field_set(ctl, value->value.integer.value[0]);
+}
+
+static int wm8776_hp_vol_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ info->count = 2;
+ info->value.integer.min = 0x79 - 60;
+ info->value.integer.max = 0x7f;
+ return 0;
+}
+
+static int wm8776_hp_vol_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.integer.value[0] =
+ data->wm8776_regs[WM8776_HPLVOL] & WM8776_HPATT_MASK;
+ value->value.integer.value[1] =
+ data->wm8776_regs[WM8776_HPRVOL] & WM8776_HPATT_MASK;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int wm8776_hp_vol_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ u8 to_update;
+
+ mutex_lock(&chip->mutex);
+ to_update = (value->value.integer.value[0] !=
+ (data->wm8776_regs[WM8776_HPLVOL] & WM8776_HPATT_MASK))
+ << 0;
+ to_update |= (value->value.integer.value[1] !=
+ (data->wm8776_regs[WM8776_HPRVOL] & WM8776_HPATT_MASK))
+ << 1;
+ if (value->value.integer.value[0] == value->value.integer.value[1]) {
+ if (to_update) {
+ wm8776_write(chip, WM8776_HPMASTER,
+ value->value.integer.value[0] |
+ WM8776_HPZCEN | WM8776_UPDATE);
+ data->wm8776_regs[WM8776_HPLVOL] =
+ value->value.integer.value[0] | WM8776_HPZCEN;
+ data->wm8776_regs[WM8776_HPRVOL] =
+ value->value.integer.value[0] | WM8776_HPZCEN;
+ }
+ } else {
+ if (to_update & 1)
+ wm8776_write(chip, WM8776_HPLVOL,
+ value->value.integer.value[0] |
+ WM8776_HPZCEN |
+ ((to_update & 2) ? 0 : WM8776_UPDATE));
+ if (to_update & 2)
+ wm8776_write(chip, WM8776_HPRVOL,
+ value->value.integer.value[1] |
+ WM8776_HPZCEN | WM8776_UPDATE);
+ }
+ mutex_unlock(&chip->mutex);
+ return to_update != 0;
+}
+
+static int wm8776_input_mux_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int mux_bit = ctl->private_value;
+
+ value->value.integer.value[0] =
+ !!(data->wm8776_regs[WM8776_ADCMUX] & mux_bit);
+ return 0;
+}
+
+static int wm8776_input_mux_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ struct snd_kcontrol *other_ctl;
+ unsigned int mux_bit = ctl->private_value;
+ u16 reg;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ reg = data->wm8776_regs[WM8776_ADCMUX];
+ if (value->value.integer.value[0]) {
+ reg |= mux_bit;
+ /* line-in and mic-in are exclusive */
+ mux_bit ^= 3;
+ if (reg & mux_bit) {
+ reg &= ~mux_bit;
+ if (mux_bit == 1)
+ other_ctl = data->line_adcmux_control;
+ else
+ other_ctl = data->mic_adcmux_control;
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE,
+ &other_ctl->id);
+ }
+ } else
+ reg &= ~mux_bit;
+ changed = reg != data->wm8776_regs[WM8776_ADCMUX];
+ if (changed) {
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+ reg & 1 ? GPIO_DS_INPUT_ROUTE : 0,
+ GPIO_DS_INPUT_ROUTE);
+ wm8776_write(chip, WM8776_ADCMUX, reg);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int wm8776_input_vol_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ info->count = 2;
+ info->value.integer.min = 0xa5;
+ info->value.integer.max = 0xff;
+ return 0;
+}
+
+static int wm8776_input_vol_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.integer.value[0] =
+ data->wm8776_regs[WM8776_ADCLVOL] & WM8776_AGMASK;
+ value->value.integer.value[1] =
+ data->wm8776_regs[WM8776_ADCRVOL] & WM8776_AGMASK;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int wm8776_input_vol_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ int changed = 0;
+
+ mutex_lock(&chip->mutex);
+ changed = (value->value.integer.value[0] !=
+ (data->wm8776_regs[WM8776_ADCLVOL] & WM8776_AGMASK)) ||
+ (value->value.integer.value[1] !=
+ (data->wm8776_regs[WM8776_ADCRVOL] & WM8776_AGMASK));
+ wm8776_write_cached(chip, WM8776_ADCLVOL,
+ value->value.integer.value[0] | WM8776_ZCA);
+ wm8776_write_cached(chip, WM8776_ADCRVOL,
+ value->value.integer.value[1] | WM8776_ZCA);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int wm8776_level_control_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const names[3] = {
+ "None", "Peak Limiter", "Automatic Level Control"
+ };
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 3;
+ if (info->value.enumerated.item >= 3)
+ info->value.enumerated.item = 2;
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int wm8776_level_control_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ if (!(data->wm8776_regs[WM8776_ALCCTRL2] & WM8776_LCEN))
+ value->value.enumerated.item[0] = 0;
+ else if ((data->wm8776_regs[WM8776_ALCCTRL1] & WM8776_LCSEL_MASK) ==
+ WM8776_LCSEL_LIMITER)
+ value->value.enumerated.item[0] = 1;
+ else
+ value->value.enumerated.item[0] = 2;
+ return 0;
+}
+
+static void activate_control(struct oxygen *chip,
+ struct snd_kcontrol *ctl, unsigned int mode)
+{
+ unsigned int access;
+
+ if (ctl->private_value & mode)
+ access = 0;
+ else
+ access = SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ if ((ctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_INACTIVE) != access) {
+ ctl->vd[0].access ^= SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO, &ctl->id);
+ }
+}
+
+static int wm8776_level_control_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int mode = 0, i;
+ u16 ctrl1, ctrl2;
+ int changed;
+
+ if (value->value.enumerated.item[0] >= 3)
+ return -EINVAL;
+ mutex_lock(&chip->mutex);
+ changed = value->value.enumerated.item[0] != ctl->private_value;
+ if (changed) {
+ ctl->private_value = value->value.enumerated.item[0];
+ ctrl1 = data->wm8776_regs[WM8776_ALCCTRL1];
+ ctrl2 = data->wm8776_regs[WM8776_ALCCTRL2];
+ switch (value->value.enumerated.item[0]) {
+ default:
+ wm8776_write_cached(chip, WM8776_ALCCTRL2,
+ ctrl2 & ~WM8776_LCEN);
+ break;
+ case 1:
+ wm8776_write_cached(chip, WM8776_ALCCTRL1,
+ (ctrl1 & ~WM8776_LCSEL_MASK) |
+ WM8776_LCSEL_LIMITER);
+ wm8776_write_cached(chip, WM8776_ALCCTRL2,
+ ctrl2 | WM8776_LCEN);
+ mode = LC_CONTROL_LIMITER;
+ break;
+ case 2:
+ wm8776_write_cached(chip, WM8776_ALCCTRL1,
+ (ctrl1 & ~WM8776_LCSEL_MASK) |
+ WM8776_LCSEL_ALC_STEREO);
+ wm8776_write_cached(chip, WM8776_ALCCTRL2,
+ ctrl2 | WM8776_LCEN);
+ mode = LC_CONTROL_ALC;
+ break;
+ }
+ for (i = 0; i < ARRAY_SIZE(data->lc_controls); ++i)
+ activate_control(chip, data->lc_controls[i], mode);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int hpf_info(struct snd_kcontrol *ctl, struct snd_ctl_elem_info *info)
+{
+ static const char *const names[2] = {
+ "None", "High-pass Filter"
+ };
+
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 2;
+ if (info->value.enumerated.item >= 2)
+ info->value.enumerated.item = 1;
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int hpf_get(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+
+ value->value.enumerated.item[0] =
+ !(data->wm8776_regs[WM8776_ADCIFCTRL] & WM8776_ADCHPD);
+ return 0;
+}
+
+static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int reg;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ reg = data->wm8776_regs[WM8776_ADCIFCTRL] & ~WM8776_ADCHPD;
+ if (!value->value.enumerated.item[0])
+ reg |= WM8776_ADCHPD;
+ changed = reg != data->wm8776_regs[WM8776_ADCIFCTRL];
+ if (changed)
+ wm8776_write(chip, WM8776_ADCIFCTRL, reg);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+#define WM8776_BIT_SWITCH(xname, reg, bit, invert, flags) { \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .info = snd_ctl_boolean_mono_info, \
+ .get = wm8776_bit_switch_get, \
+ .put = wm8776_bit_switch_put, \
+ .private_value = ((reg) << 16) | (bit) | ((invert) << 24) | (flags), \
+}
+#define _WM8776_FIELD_CTL(xname, reg, shift, initval, min, max, mask, flags) \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .private_value = (initval) | ((min) << 8) | ((max) << 12) | \
+ ((mask) << 16) | ((shift) << 20) | ((reg) << 24) | (flags)
+#define WM8776_FIELD_CTL_ENUM(xname, reg, shift, init, min, max, mask, flags) {\
+ _WM8776_FIELD_CTL(xname " Capture Enum", \
+ reg, shift, init, min, max, mask, flags), \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE, \
+ .info = wm8776_field_enum_info, \
+ .get = wm8776_field_enum_get, \
+ .put = wm8776_field_enum_put, \
+}
+#define WM8776_FIELD_CTL_VOLUME(a, b, c, d, e, f, g, h, tlv_p) { \
+ _WM8776_FIELD_CTL(a " Capture Volume", b, c, d, e, f, g, h), \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE | \
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+ .info = wm8776_field_volume_info, \
+ .get = wm8776_field_volume_get, \
+ .put = wm8776_field_volume_put, \
+ .tlv = { .p = tlv_p }, \
+}
+
+static const DECLARE_TLV_DB_SCALE(wm87x6_dac_db_scale, -6000, 50, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_adc_db_scale, -2100, 50, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_hp_db_scale, -6000, 100, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_lct_db_scale, -1600, 100, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_maxgain_db_scale, 0, 400, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_ngth_db_scale, -7800, 600, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_maxatten_lim_db_scale, -1200, 100, 0);
+static const DECLARE_TLV_DB_SCALE(wm8776_maxatten_alc_db_scale, -2100, 400, 0);
+
+static const struct snd_kcontrol_new ds_controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Headphone Playback Volume",
+ .info = wm8776_hp_vol_info,
+ .get = wm8776_hp_vol_get,
+ .put = wm8776_hp_vol_put,
+ .tlv = { .p = wm8776_hp_db_scale },
+ },
+ WM8776_BIT_SWITCH("Headphone Playback Switch",
+ WM8776_PWRDOWN, WM8776_HPPD, 1, 0),
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Input Capture Volume",
+ .info = wm8776_input_vol_info,
+ .get = wm8776_input_vol_get,
+ .put = wm8776_input_vol_put,
+ .tlv = { .p = wm8776_adc_db_scale },
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Line Capture Switch",
+ .info = snd_ctl_boolean_mono_info,
+ .get = wm8776_input_mux_get,
+ .put = wm8776_input_mux_put,
+ .private_value = 1 << 0,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Mic Capture Switch",
+ .info = snd_ctl_boolean_mono_info,
+ .get = wm8776_input_mux_get,
+ .put = wm8776_input_mux_put,
+ .private_value = 1 << 1,
+ },
+ WM8776_BIT_SWITCH("Front Mic Capture Switch",
+ WM8776_ADCMUX, 1 << 2, 0, 0),
+ WM8776_BIT_SWITCH("Aux Capture Switch",
+ WM8776_ADCMUX, 1 << 3, 0, 0),
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "ADC Filter Capture Enum",
+ .info = hpf_info,
+ .get = hpf_get,
+ .put = hpf_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Level Control Capture Enum",
+ .info = wm8776_level_control_info,
+ .get = wm8776_level_control_get,
+ .put = wm8776_level_control_put,
+ .private_value = 0,
+ },
+};
+static const struct snd_kcontrol_new lc_controls[] = {
+ WM8776_FIELD_CTL_VOLUME("Limiter Threshold",
+ WM8776_ALCCTRL1, 0, 11, 0, 15, 0xf,
+ LC_CONTROL_LIMITER, wm8776_lct_db_scale),
+ WM8776_FIELD_CTL_ENUM("Limiter Attack Time",
+ WM8776_ALCCTRL3, 0, 2, 0, 10, 0xf,
+ LC_CONTROL_LIMITER),
+ WM8776_FIELD_CTL_ENUM("Limiter Decay Time",
+ WM8776_ALCCTRL3, 4, 3, 0, 10, 0xf,
+ LC_CONTROL_LIMITER),
+ WM8776_FIELD_CTL_ENUM("Limiter Transient Window",
+ WM8776_LIMITER, 4, 2, 0, 7, 0x7,
+ LC_CONTROL_LIMITER),
+ WM8776_FIELD_CTL_VOLUME("Limiter Maximum Attenuation",
+ WM8776_LIMITER, 0, 6, 3, 12, 0xf,
+ LC_CONTROL_LIMITER,
+ wm8776_maxatten_lim_db_scale),
+ WM8776_FIELD_CTL_VOLUME("ALC Target Level",
+ WM8776_ALCCTRL1, 0, 11, 0, 15, 0xf,
+ LC_CONTROL_ALC, wm8776_lct_db_scale),
+ WM8776_FIELD_CTL_ENUM("ALC Attack Time",
+ WM8776_ALCCTRL3, 0, 2, 0, 10, 0xf,
+ LC_CONTROL_ALC),
+ WM8776_FIELD_CTL_ENUM("ALC Decay Time",
+ WM8776_ALCCTRL3, 4, 3, 0, 10, 0xf,
+ LC_CONTROL_ALC),
+ WM8776_FIELD_CTL_VOLUME("ALC Maximum Gain",
+ WM8776_ALCCTRL1, 4, 7, 1, 7, 0x7,
+ LC_CONTROL_ALC, wm8776_maxgain_db_scale),
+ WM8776_FIELD_CTL_VOLUME("ALC Maximum Attenuation",
+ WM8776_LIMITER, 0, 10, 10, 15, 0xf,
+ LC_CONTROL_ALC, wm8776_maxatten_alc_db_scale),
+ WM8776_FIELD_CTL_ENUM("ALC Hold Time",
+ WM8776_ALCCTRL2, 0, 0, 0, 15, 0xf,
+ LC_CONTROL_ALC),
+ WM8776_BIT_SWITCH("Noise Gate Capture Switch",
+ WM8776_NOISEGATE, WM8776_NGAT, 0,
+ LC_CONTROL_ALC),
+ WM8776_FIELD_CTL_VOLUME("Noise Gate Threshold",
+ WM8776_NOISEGATE, 2, 0, 0, 7, 0x7,
+ LC_CONTROL_ALC, wm8776_ngth_db_scale),
+};
+
+static int xonar_ds_mixer_init(struct oxygen *chip)
+{
+ struct xonar_wm87x6 *data = chip->model_data;
+ unsigned int i;
+ struct snd_kcontrol *ctl;
+ int err;
+
+ for (i = 0; i < ARRAY_SIZE(ds_controls); ++i) {
+ ctl = snd_ctl_new1(&ds_controls[i], chip);
+ if (!ctl)
+ return -ENOMEM;
+ err = snd_ctl_add(chip->card, ctl);
+ if (err < 0)
+ return err;
+ if (!strcmp(ctl->id.name, "Line Capture Switch"))
+ data->line_adcmux_control = ctl;
+ else if (!strcmp(ctl->id.name, "Mic Capture Switch"))
+ data->mic_adcmux_control = ctl;
+ }
+ if (!data->line_adcmux_control || !data->mic_adcmux_control)
+ return -ENXIO;
+ BUILD_BUG_ON(ARRAY_SIZE(lc_controls) != ARRAY_SIZE(data->lc_controls));
+ for (i = 0; i < ARRAY_SIZE(lc_controls); ++i) {
+ ctl = snd_ctl_new1(&lc_controls[i], chip);
+ if (!ctl)
+ return -ENOMEM;
+ err = snd_ctl_add(chip->card, ctl);
+ if (err < 0)
+ return err;
+ data->lc_controls[i] = ctl;
+ }
+ return 0;
+}
+
+static const struct oxygen_model model_xonar_ds = {
+ .shortname = "Xonar DS",
+ .longname = "Asus Virtuoso 66",
+ .chip = "AV200",
+ .init = xonar_ds_init,
+ .mixer_init = xonar_ds_mixer_init,
+ .cleanup = xonar_ds_cleanup,
+ .suspend = xonar_ds_suspend,
+ .resume = xonar_ds_resume,
+ .pcm_hardware_filter = wm8776_adc_hardware_filter,
+ .get_i2s_mclk = oxygen_default_i2s_mclk,
+ .set_dac_params = set_wm87x6_dac_params,
+ .set_adc_params = set_wm8776_adc_params,
+ .update_dac_volume = update_wm87x6_volume,
+ .update_dac_mute = update_wm87x6_mute,
+ .update_center_lfe_mix = update_wm8766_center_lfe_mix,
+ .gpio_changed = xonar_ds_gpio_changed,
+ .dac_tlv = wm87x6_dac_db_scale,
+ .model_data_size = sizeof(struct xonar_wm87x6),
+ .device_config = PLAYBACK_0_TO_I2S |
+ PLAYBACK_1_TO_SPDIF |
+ CAPTURE_0_FROM_I2S_1,
+ .dac_channels = 8,
+ .dac_volume_min = 255 - 2*60,
+ .dac_volume_max = 255,
+ .function_flags = OXYGEN_FUNCTION_SPI,
+ .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+ .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};
+
+int __devinit get_xonar_wm87x6_model(struct oxygen *chip,
+ const struct pci_device_id *id)
+{
+ switch (id->subdevice) {
+ case 0x838e:
+ chip->model = model_xonar_ds;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}