3 files changed, 195 insertions, 2 deletions

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 841a9365d5fd..1356d2a6772b 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1824,7 +1824,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
   -------------------
 
     Module for sound cards based on the Asus AV100/AV200 chips,
-    i.e., Xonar D1, DX, D2, D2X and HDAV1.3 (Deluxe).
+    i.e., Xonar D1, DX, D2, D2X, HDAV1.3 (Deluxe), and Essence STX.
 
     This module supports autoprobe and multiple cards.
 
diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 82b9bddcdcd6..21d117ada84b 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -744,7 +744,8 @@ config SND_VIRTUOSO
         select SND_OXYGEN_LIB
         help
           Say Y here to include support for sound cards based on the
-          Asus AV100/AV200 chips, i.e., Xonar D1, DX, D2 and D2X.
+          Asus AV100/AV200 chips, i.e., Xonar D1, DX, D2, D2X, and
+          Essence STX.
           Support for the HDAV1.3 (Deluxe) is very experimental.
 
           To compile this driver as a module, choose M here: the module
diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c
index 00dc97806f1b..bc5ce11c8b14 100644
--- a/sound/pci/oxygen/virtuoso.c
+++ b/sound/pci/oxygen/virtuoso.c
@@ -112,6 +112,34 @@
  * CS4362A: AD0 <- 0
  */
 
+/*
+ * Xonar Essence STX
+ * -----------------
+ *
+ * CMI8788:
+ *
+ * I²C <-> PCM1792A
+ *
+ * GPI 0 <- external power present
+ *
+ * GPIO 0 -> enable output to speakers
+ * GPIO 1 -> route HP to front panel (0) or rear jack (1)
+ * GPIO 2 -> M0 of CS5381
+ * GPIO 3 -> M1 of CS5381
+ * GPIO 7 -> route output to speaker jacks (0) or HP (1)
+ * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
+ *
+ * PCM1792A:
+ *
+ * AD0 <- 0
+ *
+ * H6 daughterboard
+ * ----------------
+ *
+ * GPIO 4 <- 0
+ * GPIO 5 <- 0
+ */
+
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/mutex.h>
@@ -152,6 +180,7 @@ enum {
         MODEL_DX,
         MODEL_HDAV,     /* without daughterboard */
         MODEL_HDAV_H6,  /* with H6 daughterboard */
+        MODEL_STX,
 };
 
 static struct pci_device_id xonar_ids[] __devinitdata = {
@@ -160,6 +189,7 @@ static struct pci_device_id xonar_ids[] __devinitdata = {
         { OXYGEN_PCI_SUBID(0x1043, 0x82b7), .driver_data = MODEL_D2X },
         { OXYGEN_PCI_SUBID(0x1043, 0x8314), .driver_data = MODEL_HDAV },
         { OXYGEN_PCI_SUBID(0x1043, 0x834f), .driver_data = MODEL_D1 },
+        { OXYGEN_PCI_SUBID(0x1043, 0x835c), .driver_data = MODEL_STX },
         { OXYGEN_PCI_SUBID_BROKEN_EEPROM },
         { }
 };
@@ -184,6 +214,9 @@ MODULE_DEVICE_TABLE(pci, xonar_ids);
 #define GPIO_HDAV_DB_H6         0x0000
 #define GPIO_HDAV_DB_XX         0x0020
 
+#define GPIO_ST_HP_REAR         0x0002
+#define GPIO_ST_HP              0x0080
+
 #define I2C_DEVICE_PCM1796(i)   (0x98 + ((i) << 1))     /* 10011, ADx=i, /W=0 */
 #define I2C_DEVICE_CS4398       0x9e    /* 10011, AD1=1, AD0=1, /W=0 */
 #define I2C_DEVICE_CS4362A      0x30    /* 001100, AD0=0, /W=0 */
@@ -497,6 +530,36 @@ static void xonar_hdav_init(struct oxygen *chip)
         snd_component_add(chip->card, "CS5381");
 }
 
+static void xonar_stx_init(struct oxygen *chip)
+{
+        struct xonar_data *data = chip->model_data;
+
+        oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
+                       OXYGEN_2WIRE_LENGTH_8 |
+                       OXYGEN_2WIRE_INTERRUPT_MASK |
+                       OXYGEN_2WIRE_SPEED_FAST);
+
+        data->anti_pop_delay = 100;
+        data->dacs = 1;
+        data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
+        data->ext_power_reg = OXYGEN_GPI_DATA;
+        data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
+        data->ext_power_bit = GPI_DX_EXT_POWER;
+        data->pcm1796_oversampling = PCM1796_OS_64;
+
+        pcm1796_init(chip);
+
+        oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
+                          GPIO_DX_INPUT_ROUTE | GPIO_ST_HP_REAR | GPIO_ST_HP);
+        oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
+                            GPIO_DX_INPUT_ROUTE | GPIO_ST_HP_REAR | GPIO_ST_HP);
+
+        xonar_common_init(chip);
+
+        snd_component_add(chip->card, "PCM1792A");
+        snd_component_add(chip->card, "CS5381");
+}
+
 static void xonar_disable_output(struct oxygen *chip)
 {
         struct xonar_data *data = chip->model_data;
@@ -524,6 +587,11 @@ static void xonar_hdav_cleanup(struct oxygen *chip)
         xonar_disable_output(chip);
 }
 
+static void xonar_st_cleanup(struct oxygen *chip)
+{
+        xonar_disable_output(chip);
+}
+
 static void xonar_d2_suspend(struct oxygen *chip)
 {
         xonar_d2_cleanup(chip);
@@ -540,6 +608,11 @@ static void xonar_hdav_suspend(struct oxygen *chip)
         msleep(2);
 }
 
+static void xonar_st_suspend(struct oxygen *chip)
+{
+        xonar_st_cleanup(chip);
+}
+
 static void xonar_d2_resume(struct oxygen *chip)
 {
         pcm1796_init(chip);
@@ -567,6 +640,12 @@ static void xonar_hdav_resume(struct oxygen *chip)
         xonar_enable_output(chip);
 }
 
+static void xonar_st_resume(struct oxygen *chip)
+{
+        pcm1796_init(chip);
+        xonar_enable_output(chip);
+}
+
 static void xonar_hdav_pcm_hardware_filter(unsigned int channel,
                                            struct snd_pcm_hardware *hardware)
 {
@@ -746,6 +825,72 @@ static const struct snd_kcontrol_new front_panel_switch = {
         .private_value = GPIO_DX_FRONT_PANEL,
 };
 
+static int st_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 st_output_switch_get(struct snd_kcontrol *ctl,
+                                struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        u16 gpio;
+
+        gpio = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+        if (!(gpio & GPIO_ST_HP))
+                value->value.enumerated.item[0] = 0;
+        else if (gpio & GPIO_ST_HP_REAR)
+                value->value.enumerated.item[0] = 1;
+        else
+                value->value.enumerated.item[0] = 2;
+        return 0;
+}
+
+
+static int st_output_switch_put(struct snd_kcontrol *ctl,
+                                struct snd_ctl_elem_value *value)
+{
+        struct oxygen *chip = ctl->private_data;
+        u16 gpio_old, gpio;
+
+        mutex_lock(&chip->mutex);
+        gpio_old = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+        gpio = gpio_old;
+        switch (value->value.enumerated.item[0]) {
+        case 0:
+                gpio &= ~(GPIO_ST_HP | GPIO_ST_HP_REAR);
+                break;
+        case 1:
+                gpio |= GPIO_ST_HP | GPIO_ST_HP_REAR;
+                break;
+        case 2:
+                gpio = (gpio | GPIO_ST_HP) & ~GPIO_ST_HP_REAR;
+                break;
+        }
+        oxygen_write16(chip, OXYGEN_GPIO_DATA, gpio);
+        mutex_unlock(&chip->mutex);
+        return gpio != gpio_old;
+}
+
+static const struct snd_kcontrol_new st_output_switch = {
+        .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+        .name = "Analog Output",
+        .info = st_output_switch_info,
+        .get = st_output_switch_get,
+        .put = st_output_switch_put,
+};
+
 static void xonar_line_mic_ac97_switch(struct oxygen *chip,
                                        unsigned int reg, unsigned int mute)
 {
@@ -776,6 +921,15 @@ static int xonar_d1_control_filter(struct snd_kcontrol_new *template)
         return 0;
 }
 
+static int xonar_st_control_filter(struct snd_kcontrol_new *template)
+{
+        if (!strncmp(template->name, "CD Capture ", 11))
+                return 1; /* no CD input */
+        if (!strcmp(template->name, "Stereo Upmixing"))
+                return 1; /* stereo only - we don't need upmixing */
+        return 0;
+}
+
 static int xonar_d2_mixer_init(struct oxygen *chip)
 {
         return snd_ctl_add(chip->card, snd_ctl_new1(&alt_switch, chip));
@@ -786,6 +940,11 @@ static int xonar_d1_mixer_init(struct oxygen *chip)
         return snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
 }
 
+static int xonar_st_mixer_init(struct oxygen *chip)
+{
+        return snd_ctl_add(chip->card, snd_ctl_new1(&st_output_switch, chip));
+}
+
 static const struct oxygen_model model_xonar_d2 = {
         .longname = "Asus Virtuoso 200",
         .chip = "AV200",
@@ -872,6 +1031,33 @@ static const struct oxygen_model model_xonar_hdav = {
         .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
 };
 
+static const struct oxygen_model model_xonar_st = {
+        .longname = "Asus Virtuoso 100",
+        .chip = "AV200",
+        .init = xonar_stx_init,
+        .control_filter = xonar_st_control_filter,
+        .mixer_init = xonar_st_mixer_init,
+        .cleanup = xonar_st_cleanup,
+        .suspend = xonar_st_suspend,
+        .resume = xonar_st_resume,
+        .set_dac_params = set_pcm1796_params,
+        .set_adc_params = set_cs53x1_params,
+        .update_dac_volume = update_pcm1796_volume,
+        .update_dac_mute = update_pcm1796_mute,
+        .ac97_switch = xonar_line_mic_ac97_switch,
+        .dac_tlv = pcm1796_db_scale,
+        .model_data_size = sizeof(struct xonar_data),
+        .device_config = PLAYBACK_0_TO_I2S |
+                         PLAYBACK_1_TO_SPDIF |
+                         CAPTURE_0_FROM_I2S_2,
+        .dac_channels = 2,
+        .dac_volume_min = 255 - 2*60,
+        .dac_volume_max = 255,
+        .function_flags = OXYGEN_FUNCTION_2WIRE,
+        .dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+        .adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};
+
 static int __devinit get_xonar_model(struct oxygen *chip,
                                      const struct pci_device_id *id)
 {
@@ -881,6 +1067,7 @@ static int __devinit get_xonar_model(struct oxygen *chip,
                 [MODEL_D2]      = &model_xonar_d2,
                 [MODEL_D2X]     = &model_xonar_d2,
                 [MODEL_HDAV]    = &model_xonar_hdav,
+                [MODEL_STX]     = &model_xonar_st,
         };
         static const char *const names[] = {
                 [MODEL_D1]      = "Xonar D1",
@@ -889,6 +1076,7 @@ static int __devinit get_xonar_model(struct oxygen *chip,
                 [MODEL_D2X]     = "Xonar D2X",
                 [MODEL_HDAV]    = "Xonar HDAV1.3",
                 [MODEL_HDAV_H6] = "Xonar HDAV1.3+H6",
+                [MODEL_STX]     = "Xonar Essence STX",
         };
         unsigned int model = id->driver_data;
 
@@ -916,6 +1104,10 @@ static int __devinit get_xonar_model(struct oxygen *chip,
                         return -ENODEV;
                 }
                 break;
+        case MODEL_STX:
+                oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL,
+                                    GPIO_HDAV_DB_MASK);
+                break;
         }
 
         chip->model.shortname = names[model];