--- /dev/null
+/*
+ * card driver for the Xonar DG
+ *
+ * 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 DG
+ * --------
+ *
+ * CMI8788:
+ *
+ * SPI 0 -> CS4245
+ *
+ * GPIO 3 <- ?
+ * GPIO 4 <- headphone detect
+ * GPIO 5 -> route input jack to line-in (0) or mic-in (1)
+ * GPIO 6 -> route input jack to line-in (0) or mic-in (1)
+ * GPIO 7 -> enable rear headphone amp
+ * GPIO 8 -> enable output to speakers
+ *
+ * CS4245:
+ *
+ * input 1 <- aux
+ * input 2 <- front mic
+ * input 4 <- line/mic
+ * aux out -> front panel headphones
+ */
+
+#include <linux/pci.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/info.h>
+#include <sound/pcm.h>
+#include <sound/tlv.h>
+#include "oxygen.h"
+#include "xonar_dg.h"
+#include "cs4245.h"
+
+#define GPIO_MAGIC 0x0008
+#define GPIO_HP_DETECT 0x0010
+#define GPIO_INPUT_ROUTE 0x0060
+#define GPIO_HP_REAR 0x0080
+#define GPIO_OUTPUT_ENABLE 0x0100
+
+struct dg {
+ unsigned int output_sel;
+ s8 input_vol[4][2];
+ unsigned int input_sel;
+ u8 hp_vol_att;
+ u8 cs4245_regs[0x11];
+};
+
+static void cs4245_write(struct oxygen *chip, unsigned int reg, u8 value)
+{
+ struct dg *data = chip->model_data;
+
+ oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER |
+ OXYGEN_SPI_DATA_LENGTH_3 |
+ OXYGEN_SPI_CLOCK_1280 |
+ (0 << OXYGEN_SPI_CODEC_SHIFT) |
+ OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
+ CS4245_SPI_ADDRESS |
+ CS4245_SPI_WRITE |
+ (value << 8) | reg);
+ data->cs4245_regs[reg] = value;
+}
+
+static void cs4245_write_cached(struct oxygen *chip, unsigned int reg, u8 value)
+{
+ struct dg *data = chip->model_data;
+
+ if (value != data->cs4245_regs[reg])
+ cs4245_write(chip, reg, value);
+}
+
+static void cs4245_registers_init(struct oxygen *chip)
+{
+ struct dg *data = chip->model_data;
+
+ cs4245_write(chip, CS4245_POWER_CTRL, CS4245_PDN);
+ cs4245_write(chip, CS4245_DAC_CTRL_1,
+ data->cs4245_regs[CS4245_DAC_CTRL_1]);
+ cs4245_write(chip, CS4245_ADC_CTRL,
+ data->cs4245_regs[CS4245_ADC_CTRL]);
+ cs4245_write(chip, CS4245_SIGNAL_SEL,
+ data->cs4245_regs[CS4245_SIGNAL_SEL]);
+ cs4245_write(chip, CS4245_PGA_B_CTRL,
+ data->cs4245_regs[CS4245_PGA_B_CTRL]);
+ cs4245_write(chip, CS4245_PGA_A_CTRL,
+ data->cs4245_regs[CS4245_PGA_A_CTRL]);
+ cs4245_write(chip, CS4245_ANALOG_IN,
+ data->cs4245_regs[CS4245_ANALOG_IN]);
+ cs4245_write(chip, CS4245_DAC_A_CTRL,
+ data->cs4245_regs[CS4245_DAC_A_CTRL]);
+ cs4245_write(chip, CS4245_DAC_B_CTRL,
+ data->cs4245_regs[CS4245_DAC_B_CTRL]);
+ cs4245_write(chip, CS4245_DAC_CTRL_2,
+ CS4245_DAC_SOFT | CS4245_DAC_ZERO | CS4245_INVERT_DAC);
+ cs4245_write(chip, CS4245_INT_MASK, 0);
+ cs4245_write(chip, CS4245_POWER_CTRL, 0);
+}
+
+static void cs4245_init(struct oxygen *chip)
+{
+ struct dg *data = chip->model_data;
+
+ data->cs4245_regs[CS4245_DAC_CTRL_1] =
+ CS4245_DAC_FM_SINGLE | CS4245_DAC_DIF_LJUST;
+ data->cs4245_regs[CS4245_ADC_CTRL] =
+ CS4245_ADC_FM_SINGLE | CS4245_ADC_DIF_LJUST;
+ data->cs4245_regs[CS4245_SIGNAL_SEL] =
+ CS4245_A_OUT_SEL_HIZ | CS4245_ASYNCH;
+ data->cs4245_regs[CS4245_PGA_B_CTRL] = 0;
+ data->cs4245_regs[CS4245_PGA_A_CTRL] = 0;
+ data->cs4245_regs[CS4245_ANALOG_IN] =
+ CS4245_PGA_SOFT | CS4245_PGA_ZERO | CS4245_SEL_INPUT_4;
+ data->cs4245_regs[CS4245_DAC_A_CTRL] = 0;
+ data->cs4245_regs[CS4245_DAC_B_CTRL] = 0;
+ cs4245_registers_init(chip);
+ snd_component_add(chip->card, "CS4245");
+}
+
+static void dg_output_enable(struct oxygen *chip)
+{
+ msleep(2500);
+ oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
+}
+
+static void dg_init(struct oxygen *chip)
+{
+ struct dg *data = chip->model_data;
+
+ data->output_sel = 0;
+ data->input_sel = 3;
+ data->hp_vol_att = 2 * 16;
+
+ cs4245_init(chip);
+
+ oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
+ GPIO_MAGIC | GPIO_HP_DETECT);
+ oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
+ GPIO_INPUT_ROUTE | GPIO_HP_REAR | GPIO_OUTPUT_ENABLE);
+ oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
+ GPIO_INPUT_ROUTE | GPIO_HP_REAR);
+ dg_output_enable(chip);
+}
+
+static void dg_cleanup(struct oxygen *chip)
+{
+ oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_OUTPUT_ENABLE);
+}
+
+static void dg_suspend(struct oxygen *chip)
+{
+ dg_cleanup(chip);
+}
+
+static void dg_resume(struct oxygen *chip)
+{
+ cs4245_registers_init(chip);
+ dg_output_enable(chip);
+}
+
+static void set_cs4245_dac_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+ struct dg *data = chip->model_data;
+ u8 value;
+
+ value = data->cs4245_regs[CS4245_DAC_CTRL_1] & ~CS4245_DAC_FM_MASK;
+ if (params_rate(params) <= 50000)
+ value |= CS4245_DAC_FM_SINGLE;
+ else if (params_rate(params) <= 100000)
+ value |= CS4245_DAC_FM_DOUBLE;
+ else
+ value |= CS4245_DAC_FM_QUAD;
+ cs4245_write_cached(chip, CS4245_DAC_CTRL_1, value);
+}
+
+static void set_cs4245_adc_params(struct oxygen *chip,
+ struct snd_pcm_hw_params *params)
+{
+ struct dg *data = chip->model_data;
+ u8 value;
+
+ value = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_ADC_FM_MASK;
+ if (params_rate(params) <= 50000)
+ value |= CS4245_ADC_FM_SINGLE;
+ else if (params_rate(params) <= 100000)
+ value |= CS4245_ADC_FM_DOUBLE;
+ else
+ value |= CS4245_ADC_FM_QUAD;
+ cs4245_write_cached(chip, CS4245_ADC_CTRL, value);
+}
+
+static int output_switch_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const names[3] = {
+ "Speakers", "Headphones", "FP Headphones"
+ };
+
+ 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 output_switch_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.enumerated.item[0] = data->output_sel;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int output_switch_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+ u8 reg;
+ int changed;
+
+ if (value->value.enumerated.item[0] > 2)
+ return -EINVAL;
+
+ mutex_lock(&chip->mutex);
+ changed = value->value.enumerated.item[0] != data->output_sel;
+ if (changed) {
+ data->output_sel = value->value.enumerated.item[0];
+
+ reg = data->cs4245_regs[CS4245_SIGNAL_SEL] &
+ ~CS4245_A_OUT_SEL_MASK;
+ reg |= data->output_sel == 2 ?
+ CS4245_A_OUT_SEL_DAC : CS4245_A_OUT_SEL_HIZ;
+ cs4245_write_cached(chip, CS4245_SIGNAL_SEL, reg);
+
+ cs4245_write_cached(chip, CS4245_DAC_A_CTRL,
+ data->output_sel ? data->hp_vol_att : 0);
+ cs4245_write_cached(chip, CS4245_DAC_B_CTRL,
+ data->output_sel ? data->hp_vol_att : 0);
+
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+ data->output_sel == 1 ? GPIO_HP_REAR : 0,
+ GPIO_HP_REAR);
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int hp_volume_offset_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const names[3] = {
+ "< 64 ohms", "64-150 ohms", "150-300 ohms"
+ };
+
+ 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 hp_volume_offset_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+
+ mutex_lock(&chip->mutex);
+ if (data->hp_vol_att > 2 * 7)
+ value->value.enumerated.item[0] = 0;
+ else if (data->hp_vol_att > 0)
+ value->value.enumerated.item[0] = 1;
+ else
+ value->value.enumerated.item[0] = 2;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int hp_volume_offset_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ static const s8 atts[3] = { 2 * 16, 2 * 7, 0 };
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+ s8 att;
+ int changed;
+
+ if (value->value.enumerated.item[0] > 2)
+ return -EINVAL;
+ att = atts[value->value.enumerated.item[0]];
+ mutex_lock(&chip->mutex);
+ changed = att != data->hp_vol_att;
+ if (changed) {
+ data->hp_vol_att = att;
+ if (data->output_sel) {
+ cs4245_write_cached(chip, CS4245_DAC_A_CTRL, att);
+ cs4245_write_cached(chip, CS4245_DAC_B_CTRL, att);
+ }
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static int 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 = 2 * -12;
+ info->value.integer.max = 2 * 12;
+ return 0;
+}
+
+static int input_vol_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+ unsigned int idx = ctl->private_value;
+
+ mutex_lock(&chip->mutex);
+ value->value.integer.value[0] = data->input_vol[idx][0];
+ value->value.integer.value[1] = data->input_vol[idx][1];
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int input_vol_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+ unsigned int idx = ctl->private_value;
+ int changed = 0;
+
+ if (value->value.integer.value[0] < 2 * -12 ||
+ value->value.integer.value[0] > 2 * 12 ||
+ value->value.integer.value[1] < 2 * -12 ||
+ value->value.integer.value[1] > 2 * 12)
+ return -EINVAL;
+ mutex_lock(&chip->mutex);
+ changed = data->input_vol[idx][0] != value->value.integer.value[0] ||
+ data->input_vol[idx][1] != value->value.integer.value[1];
+ if (changed) {
+ data->input_vol[idx][0] = value->value.integer.value[0];
+ data->input_vol[idx][1] = value->value.integer.value[1];
+ if (idx == data->input_sel) {
+ cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
+ data->input_vol[idx][0]);
+ cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
+ data->input_vol[idx][1]);
+ }
+ }
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+static DECLARE_TLV_DB_SCALE(cs4245_pga_db_scale, -1200, 50, 0);
+
+static int input_sel_info(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_info *info)
+{
+ static const char *const names[4] = {
+ "Mic", "Aux", "Front Mic", "Line"
+ };
+
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 4;
+ info->value.enumerated.item &= 3;
+ strcpy(info->value.enumerated.name, names[info->value.enumerated.item]);
+ return 0;
+}
+
+static int input_sel_get(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+
+ mutex_lock(&chip->mutex);
+ value->value.enumerated.item[0] = data->input_sel;
+ mutex_unlock(&chip->mutex);
+ return 0;
+}
+
+static int input_sel_put(struct snd_kcontrol *ctl,
+ struct snd_ctl_elem_value *value)
+{
+ static const u8 sel_values[4] = {
+ CS4245_SEL_MIC,
+ CS4245_SEL_INPUT_1,
+ CS4245_SEL_INPUT_2,
+ CS4245_SEL_INPUT_4
+ };
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+ int changed;
+
+ if (value->value.enumerated.item[0] > 3)
+ return -EINVAL;
+
+ mutex_lock(&chip->mutex);
+ changed = value->value.enumerated.item[0] != data->input_sel;
+ if (changed) {
+ data->input_sel = value->value.enumerated.item[0];
+
+ cs4245_write(chip, CS4245_ANALOG_IN,
+ (data->cs4245_regs[CS4245_ANALOG_IN] &
+ ~CS4245_SEL_MASK) |
+ sel_values[data->input_sel]);
+
+ cs4245_write_cached(chip, CS4245_PGA_A_CTRL,
+ data->input_vol[data->input_sel][0]);
+ cs4245_write_cached(chip, CS4245_PGA_B_CTRL,
+ data->input_vol[data->input_sel][1]);
+
+ oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+ data->input_sel ? 0 : GPIO_INPUT_ROUTE,
+ GPIO_INPUT_ROUTE);
+ }
+ 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] = { "Active", "Frozen" };
+
+ info->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ info->count = 1;
+ info->value.enumerated.items = 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 dg *data = chip->model_data;
+
+ value->value.enumerated.item[0] =
+ !!(data->cs4245_regs[CS4245_ADC_CTRL] & CS4245_HPF_FREEZE);
+ return 0;
+}
+
+static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value)
+{
+ struct oxygen *chip = ctl->private_data;
+ struct dg *data = chip->model_data;
+ u8 reg;
+ int changed;
+
+ mutex_lock(&chip->mutex);
+ reg = data->cs4245_regs[CS4245_ADC_CTRL] & ~CS4245_HPF_FREEZE;
+ if (value->value.enumerated.item[0])
+ reg |= CS4245_HPF_FREEZE;
+ changed = reg != data->cs4245_regs[CS4245_ADC_CTRL];
+ if (changed)
+ cs4245_write(chip, CS4245_ADC_CTRL, reg);
+ mutex_unlock(&chip->mutex);
+ return changed;
+}
+
+#define INPUT_VOLUME(xname, index) { \
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .name = xname, \
+ .info = input_vol_info, \
+ .get = input_vol_get, \
+ .put = input_vol_put, \
+ .tlv = { .p = cs4245_pga_db_scale }, \
+ .private_value = index, \
+}
+static const struct snd_kcontrol_new dg_controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Analog Output Playback Enum",
+ .info = output_switch_info,
+ .get = output_switch_get,
+ .put = output_switch_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Headphones Impedance Playback Enum",
+ .info = hp_volume_offset_info,
+ .get = hp_volume_offset_get,
+ .put = hp_volume_offset_put,
+ },
+ INPUT_VOLUME("Mic Capture Volume", 0),
+ INPUT_VOLUME("Aux Capture Volume", 1),
+ INPUT_VOLUME("Front Mic Capture Volume", 2),
+ INPUT_VOLUME("Line Capture Volume", 3),
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Capture Source",
+ .info = input_sel_info,
+ .get = input_sel_get,
+ .put = input_sel_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "ADC High-pass Filter Capture Enum",
+ .info = hpf_info,
+ .get = hpf_get,
+ .put = hpf_put,
+ },
+};
+
+static int dg_control_filter(struct snd_kcontrol_new *template)
+{
+ if (!strncmp(template->name, "Master Playback ", 16))
+ return 1;
+ return 0;
+}
+
+static int dg_mixer_init(struct oxygen *chip)
+{
+ unsigned int i;
+ int err;
+
+ for (i = 0; i < ARRAY_SIZE(dg_controls); ++i) {
+ err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&dg_controls[i], chip));
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static void dump_cs4245_registers(struct oxygen *chip,
+ struct snd_info_buffer *buffer)
+{
+ struct dg *data = chip->model_data;
+ unsigned int i;
+
+ snd_iprintf(buffer, "\nCS4245:");
+ for (i = 1; i <= 0x10; ++i)
+ snd_iprintf(buffer, " %02x", data->cs4245_regs[i]);
+ snd_iprintf(buffer, "\n");
+}
+
+struct oxygen_model model_xonar_dg = {
+ .shortname = "Xonar DG",
+ .longname = "C-Media Oxygen HD Audio",
+ .chip = "CMI8786",
+ .init = dg_init,
+ .control_filter = dg_control_filter,
+ .mixer_init = dg_mixer_init,
+ .cleanup = dg_cleanup,
+ .suspend = dg_suspend,
+ .resume = dg_resume,
+ .set_dac_params = set_cs4245_dac_params,
+ .set_adc_params = set_cs4245_adc_params,
+ .dump_registers = dump_cs4245_registers,
+ .model_data_size = sizeof(struct dg),
+ .device_config = PLAYBACK_0_TO_I2S |
+ PLAYBACK_1_TO_SPDIF |
+ CAPTURE_0_FROM_I2S_1,
+ .dac_channels_pcm = 6,
+ .dac_channels_mixer = 0,
+ .function_flags = OXYGEN_FUNCTION_SPI,
+ .dac_mclks = OXYGEN_MCLKS(256, 128, 128),
+ .adc_mclks = OXYGEN_MCLKS(256, 128, 128),
+ .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+ .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff