sound: virtuoso: split virtuoso.c

The virtuoso.c file has become rather big.  This patch splits it up so
that only code for very similar card models is in one file.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

7 files changed, 1290 insertions, 1092 deletions

diff --git a/sound/pci/oxygen/Makefile b/sound/pci/oxygen/Makefile
index 4ba07d4..389941c 100644
--- a/sound/pci/oxygen/Makefile
+++ b/sound/pci/oxygen/Makefile
@@ -1,7 +1,8 @@
 snd-oxygen-lib-objs := oxygen_io.o oxygen_lib.o oxygen_mixer.o oxygen_pcm.o
 snd-hifier-objs := hifier.o
 snd-oxygen-objs := oxygen.o
-snd-virtuoso-objs := virtuoso.o
+snd-virtuoso-objs := virtuoso.o xonar_lib.o \
+	xonar_pcm179x.o xonar_cs43xx.o xonar_hdmi.o
 
 obj-$(CONFIG_SND_OXYGEN_LIB) += snd-oxygen-lib.o
 obj-$(CONFIG_SND_HIFIER) += snd-hifier.o
diff --git a/sound/pci/oxygen/virtuoso.c b/sound/pci/oxygen/virtuoso.c
index 6ebcb6b..6accaf9 100644
--- a/sound/pci/oxygen/virtuoso.c
+++ b/sound/pci/oxygen/virtuoso.c
@@ -17,145 +17,12 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-/*
- * Xonar D2/D2X
- * ------------
- *
- * CMI8788:
- *
- * SPI 0 -> 1st PCM1796 (front)
- * SPI 1 -> 2nd PCM1796 (surround)
- * SPI 2 -> 3rd PCM1796 (center/LFE)
- * SPI 4 -> 4th PCM1796 (back)
- *
- * GPIO 2 -> M0 of CS5381
- * GPIO 3 -> M1 of CS5381
- * GPIO 5 <- external power present (D2X only)
- * GPIO 7 -> ALT
- * GPIO 8 -> enable output to speakers
- */
-
-/*
- * Xonar D1/DX
- * -----------
- *
- * CMI8788:
- *
- * I²C <-> CS4398 (front)
- *     <-> CS4362A (surround, center/LFE, back)
- *
- * GPI 0 <- external power present (DX only)
- *
- * GPIO 0 -> enable output to speakers
- * GPIO 1 -> enable front panel I/O
- * GPIO 2 -> M0 of CS5361
- * GPIO 3 -> M1 of CS5361
- * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
- *
- * CS4398:
- *
- * AD0 <- 1
- * AD1 <- 1
- *
- * CS4362A:
- *
- * AD0 <- 0
- */
-
-/*
- * Xonar HDAV1.3 (Deluxe)
- * ----------------------
- *
- * CMI8788:
- *
- * I²C <-> PCM1796 (front)
- *
- * GPI 0 <- external power present
- *
- * GPIO 0 -> enable output to speakers
- * GPIO 2 -> M0 of CS5381
- * GPIO 3 -> M1 of CS5381
- * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
- *
- * TXD -> HDMI controller
- * RXD <- HDMI controller
- *
- * PCM1796 front: AD1,0 <- 0,0
- *
- * no daughterboard
- * ----------------
- *
- * GPIO 4 <- 1
- *
- * H6 daughterboard
- * ----------------
- *
- * GPIO 4 <- 0
- * GPIO 5 <- 0
- *
- * I²C <-> PCM1796 (surround)
- *     <-> PCM1796 (center/LFE)
- *     <-> PCM1796 (back)
- *
- * PCM1796 surround:   AD1,0 <- 0,1
- * PCM1796 center/LFE: AD1,0 <- 1,0
- * PCM1796 back:       AD1,0 <- 1,1
- *
- * unknown daughterboard
- * ---------------------
- *
- * GPIO 4 <- 0
- * GPIO 5 <- 1
- *
- * I²C <-> CS4362A (surround, center/LFE, back)
- *
- * CS4362A: AD0 <- 0
- */
-
-/*
- * Xonar Essence ST (Deluxe)/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>
-#include <sound/ac97_codec.h>
-#include <sound/asoundef.h>
-#include <sound/control.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/tlv.h>
-#include "oxygen.h"
-#include "cm9780.h"
-#include "pcm1796.h"
-#include "cs4398.h"
-#include "cs4362a.h"
+#include "xonar.h"
 
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
 MODULE_DESCRIPTION("Asus AVx00 driver");
@@ -173,972 +40,28 @@ MODULE_PARM_DESC(id, "ID string");
 module_param_array(enable, bool, NULL, 0444);
 MODULE_PARM_DESC(enable, "enable card");
 
-enum {
-	MODEL_D2,
-	MODEL_D2X,
-	MODEL_D1,
-	MODEL_DX,
-	MODEL_HDAV,	/* without daughterboard */
-	MODEL_HDAV_H6,	/* with H6 daughterboard */
-	MODEL_ST,
-	MODEL_ST_H6,
-	MODEL_STX,
-};
-
 static struct pci_device_id xonar_ids[] __devinitdata = {
-	{ OXYGEN_PCI_SUBID(0x1043, 0x8269), .driver_data = MODEL_D2 },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x8275), .driver_data = MODEL_DX },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x82b7), .driver_data = MODEL_D2X },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x8314), .driver_data = MODEL_HDAV },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x8327), .driver_data = MODEL_DX },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x834f), .driver_data = MODEL_D1 },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x835c), .driver_data = MODEL_STX },
-	{ OXYGEN_PCI_SUBID(0x1043, 0x835d), .driver_data = MODEL_ST },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x8269) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x8275) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x82b7) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x8314) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x8327) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x834f) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x835c) },
+	{ OXYGEN_PCI_SUBID(0x1043, 0x835d) },
 	{ OXYGEN_PCI_SUBID_BROKEN_EEPROM },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, xonar_ids);
 
-
-#define GPIO_CS53x1_M_MASK	0x000c
-#define GPIO_CS53x1_M_SINGLE	0x0000
-#define GPIO_CS53x1_M_DOUBLE	0x0004
-#define GPIO_CS53x1_M_QUAD	0x0008
-
-#define GPIO_D2X_EXT_POWER	0x0020
-#define GPIO_D2_ALT		0x0080
-#define GPIO_D2_OUTPUT_ENABLE	0x0100
-
-#define GPI_DX_EXT_POWER	0x01
-#define GPIO_DX_OUTPUT_ENABLE	0x0001
-#define GPIO_DX_FRONT_PANEL	0x0002
-#define GPIO_DX_INPUT_ROUTE	0x0100
-
-#define GPIO_DB_MASK		0x0030
-#define GPIO_DB_H6		0x0000
-#define GPIO_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 */
-
-struct xonar_data {
-	unsigned int anti_pop_delay;
-	unsigned int dacs;
-	u16 output_enable_bit;
-	u8 ext_power_reg;
-	u8 ext_power_int_reg;
-	u8 ext_power_bit;
-	u8 has_power;
-	u8 pcm1796_oversampling;
-	u8 cs4398_fm;
-	u8 cs4362a_fm;
-	u8 hdmi_params[5];
-};
-
-static void xonar_gpio_changed(struct oxygen *chip);
-
-static inline void pcm1796_write_spi(struct oxygen *chip, unsigned int codec,
-				     u8 reg, u8 value)
-{
-	/* maps ALSA channel pair number to SPI output */
-	static const u8 codec_map[4] = {
-		0, 1, 2, 4
-	};
-	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
-			 OXYGEN_SPI_DATA_LENGTH_2 |
-			 OXYGEN_SPI_CLOCK_160 |
-			 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
-			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
-			 (reg << 8) | value);
-}
-
-static inline void pcm1796_write_i2c(struct oxygen *chip, unsigned int codec,
-				     u8 reg, u8 value)
-{
-	oxygen_write_i2c(chip, I2C_DEVICE_PCM1796(codec), reg, value);
-}
-
-static void pcm1796_write(struct oxygen *chip, unsigned int codec,
-			  u8 reg, u8 value)
-{
-	if ((chip->model.function_flags & OXYGEN_FUNCTION_2WIRE_SPI_MASK) ==
-	    OXYGEN_FUNCTION_SPI)
-		pcm1796_write_spi(chip, codec, reg, value);
-	else
-		pcm1796_write_i2c(chip, codec, reg, value);
-}
-
-static void cs4398_write(struct oxygen *chip, u8 reg, u8 value)
-{
-	oxygen_write_i2c(chip, I2C_DEVICE_CS4398, reg, value);
-}
-
-static void cs4362a_write(struct oxygen *chip, u8 reg, u8 value)
-{
-	oxygen_write_i2c(chip, I2C_DEVICE_CS4362A, reg, value);
-}
-
-static void hdmi_write_command(struct oxygen *chip, u8 command,
-			       unsigned int count, const u8 *params)
-{
-	unsigned int i;
-	u8 checksum;
-
-	oxygen_write_uart(chip, 0xfb);
-	oxygen_write_uart(chip, 0xef);
-	oxygen_write_uart(chip, command);
-	oxygen_write_uart(chip, count);
-	for (i = 0; i < count; ++i)
-		oxygen_write_uart(chip, params[i]);
-	checksum = 0xfb + 0xef + command + count;
-	for (i = 0; i < count; ++i)
-		checksum += params[i];
-	oxygen_write_uart(chip, checksum);
-}
-
-static void xonar_enable_output(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	msleep(data->anti_pop_delay);
-	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
-}
-
-static void xonar_common_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	if (data->ext_power_reg) {
-		oxygen_set_bits8(chip, data->ext_power_int_reg,
-				 data->ext_power_bit);
-		chip->interrupt_mask |= OXYGEN_INT_GPIO;
-		chip->model.gpio_changed = xonar_gpio_changed;
-		data->has_power = !!(oxygen_read8(chip, data->ext_power_reg)
-				     & data->ext_power_bit);
-	}
-	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
-			  GPIO_CS53x1_M_MASK | data->output_enable_bit);
-	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
-			      GPIO_CS53x1_M_SINGLE, GPIO_CS53x1_M_MASK);
-	oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
-	xonar_enable_output(chip);
-}
-
-static void update_pcm1796_volume(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-	unsigned int i;
-
-	for (i = 0; i < data->dacs; ++i) {
-		pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
-		pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
-	}
-}
-
-static void update_pcm1796_mute(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-	unsigned int i;
-	u8 value;
-
-	value = PCM1796_DMF_DISABLED | PCM1796_FMT_24_LJUST | PCM1796_ATLD;
-	if (chip->dac_mute)
-		value |= PCM1796_MUTE;
-	for (i = 0; i < data->dacs; ++i)
-		pcm1796_write(chip, i, 18, value);
-}
-
-static void pcm1796_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-	unsigned int i;
-
-	for (i = 0; i < data->dacs; ++i) {
-		pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
-		pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
-		pcm1796_write(chip, i, 21, 0);
-	}
-	update_pcm1796_mute(chip); /* set ATLD before ATL/ATR */
-	update_pcm1796_volume(chip);
-}
-
-static void xonar_d2_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->anti_pop_delay = 300;
-	data->dacs = 4;
-	data->output_enable_bit = GPIO_D2_OUTPUT_ENABLE;
-	data->pcm1796_oversampling = PCM1796_OS_64;
-
-	pcm1796_init(chip);
-
-	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2_ALT);
-	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_D2_ALT);
-
-	xonar_common_init(chip);
-
-	snd_component_add(chip->card, "PCM1796");
-	snd_component_add(chip->card, "CS5381");
-}
-
-static void xonar_d2x_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->ext_power_reg = OXYGEN_GPIO_DATA;
-	data->ext_power_int_reg = OXYGEN_GPIO_INTERRUPT_MASK;
-	data->ext_power_bit = GPIO_D2X_EXT_POWER;
-	oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2X_EXT_POWER);
-
-	xonar_d2_init(chip);
-}
-
-static void update_cs4362a_volumes(struct oxygen *chip)
-{
-	u8 mute;
-
-	mute = chip->dac_mute ? CS4362A_MUTE : 0;
-	cs4362a_write(chip, 7, (127 - chip->dac_volume[2]) | mute);
-	cs4362a_write(chip, 8, (127 - chip->dac_volume[3]) | mute);
-	cs4362a_write(chip, 10, (127 - chip->dac_volume[4]) | mute);
-	cs4362a_write(chip, 11, (127 - chip->dac_volume[5]) | mute);
-	cs4362a_write(chip, 13, (127 - chip->dac_volume[6]) | mute);
-	cs4362a_write(chip, 14, (127 - chip->dac_volume[7]) | mute);
-}
-
-static void update_cs43xx_volume(struct oxygen *chip)
-{
-	cs4398_write(chip, 5, (127 - chip->dac_volume[0]) * 2);
-	cs4398_write(chip, 6, (127 - chip->dac_volume[1]) * 2);
-	update_cs4362a_volumes(chip);
-}
-
-static void update_cs43xx_mute(struct oxygen *chip)
-{
-	u8 reg;
-
-	reg = CS4398_MUTEP_LOW | CS4398_PAMUTE;
-	if (chip->dac_mute)
-		reg |= CS4398_MUTE_B | CS4398_MUTE_A;
-	cs4398_write(chip, 4, reg);
-	update_cs4362a_volumes(chip);
-}
-
-static void cs43xx_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	/* set CPEN (control port mode) and power down */
-	cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN);
-	cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
-	/* configure */
-	cs4398_write(chip, 2, data->cs4398_fm);
-	cs4398_write(chip, 3, CS4398_ATAPI_B_R | CS4398_ATAPI_A_L);
-	cs4398_write(chip, 7, CS4398_RMP_DN | CS4398_RMP_UP |
-		     CS4398_ZERO_CROSS | CS4398_SOFT_RAMP);
-	cs4362a_write(chip, 0x02, CS4362A_DIF_LJUST);
-	cs4362a_write(chip, 0x03, CS4362A_MUTEC_6 | CS4362A_AMUTE |
-		      CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP);
-	cs4362a_write(chip, 0x04, CS4362A_RMP_DN | CS4362A_DEM_NONE);
-	cs4362a_write(chip, 0x05, 0);
-	cs4362a_write(chip, 0x06, data->cs4362a_fm);
-	cs4362a_write(chip, 0x09, data->cs4362a_fm);
-	cs4362a_write(chip, 0x0c, data->cs4362a_fm);
-	update_cs43xx_volume(chip);
-	update_cs43xx_mute(chip);
-	/* clear power down */
-	cs4398_write(chip, 8, CS4398_CPEN);
-	cs4362a_write(chip, 0x01, CS4362A_CPEN);
-}
-
-static void xonar_d1_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->anti_pop_delay = 800;
-	data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
-	data->cs4398_fm = CS4398_FM_SINGLE | CS4398_DEM_NONE | CS4398_DIF_LJUST;
-	data->cs4362a_fm = CS4362A_FM_SINGLE |
-		CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
-
-	oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
-		       OXYGEN_2WIRE_LENGTH_8 |
-		       OXYGEN_2WIRE_INTERRUPT_MASK |
-		       OXYGEN_2WIRE_SPEED_FAST);
-
-	cs43xx_init(chip);
-
-	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
-			  GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);
-	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
-			    GPIO_DX_FRONT_PANEL | GPIO_DX_INPUT_ROUTE);
-
-	xonar_common_init(chip);
-
-	snd_component_add(chip->card, "CS4398");
-	snd_component_add(chip->card, "CS4362A");
-	snd_component_add(chip->card, "CS5361");
-}
-
-static void xonar_dx_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->ext_power_reg = OXYGEN_GPI_DATA;
-	data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
-	data->ext_power_bit = GPI_DX_EXT_POWER;
-
-	xonar_d1_init(chip);
-}
-
-static void xonar_hdav_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-	u8 param;
-
-	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 = chip->model.private_data == MODEL_HDAV_H6 ? 4 : 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);
-	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_DX_INPUT_ROUTE);
-
-	oxygen_reset_uart(chip);
-	param = 0;
-	hdmi_write_command(chip, 0x61, 1, &param);
-	param = 1;
-	hdmi_write_command(chip, 0x74, 1, &param);
-	data->hdmi_params[1] = IEC958_AES3_CON_FS_48000;
-	data->hdmi_params[4] = 1;
-	hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
-
-	xonar_common_init(chip);
-
-	snd_component_add(chip->card, "PCM1796");
-	snd_component_add(chip->card, "CS5381");
-}
-
-static void xonar_st_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);
-
-	if (chip->model.private_data == MODEL_ST_H6)
-		chip->model.dac_channels = 8;
-	data->anti_pop_delay = 100;
-	data->dacs = chip->model.private_data == MODEL_ST_H6 ? 4 : 1;
-	data->output_enable_bit = GPIO_DX_OUTPUT_ENABLE;
-	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_stx_init(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->ext_power_reg = OXYGEN_GPI_DATA;
-	data->ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
-	data->ext_power_bit = GPI_DX_EXT_POWER;
-
-	xonar_st_init(chip);
-}
-
-static void xonar_disable_output(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-
-	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
-}
-
-static void xonar_d2_cleanup(struct oxygen *chip)
-{
-	xonar_disable_output(chip);
-}
-
-static void xonar_d1_cleanup(struct oxygen *chip)
-{
-	xonar_disable_output(chip);
-	cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
-	oxygen_clear_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
-}
-
-static void xonar_hdav_cleanup(struct oxygen *chip)
-{
-	u8 param = 0;
-
-	hdmi_write_command(chip, 0x74, 1, &param);
-	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);
-}
-
-static void xonar_d1_suspend(struct oxygen *chip)
-{
-	xonar_d1_cleanup(chip);
-}
-
-static void xonar_hdav_suspend(struct oxygen *chip)
-{
-	xonar_hdav_cleanup(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);
-	xonar_enable_output(chip);
-}
-
-static void xonar_d1_resume(struct oxygen *chip)
-{
-	oxygen_set_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
-	msleep(1);
-	cs43xx_init(chip);
-	xonar_enable_output(chip);
-}
-
-static void xonar_hdav_resume(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-	u8 param;
-
-	oxygen_reset_uart(chip);
-	param = 0;
-	hdmi_write_command(chip, 0x61, 1, &param);
-	param = 1;
-	hdmi_write_command(chip, 0x74, 1, &param);
-	hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
-	pcm1796_init(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)
-{
-	if (channel == PCM_MULTICH) {
-		hardware->rates = SNDRV_PCM_RATE_44100 |
-				  SNDRV_PCM_RATE_48000 |
-				  SNDRV_PCM_RATE_96000 |
-				  SNDRV_PCM_RATE_192000;
-		hardware->rate_min = 44100;
-	}
-}
-
-static void set_pcm1796_params(struct oxygen *chip,
-			       struct snd_pcm_hw_params *params)
-{
-	struct xonar_data *data = chip->model_data;
-	unsigned int i;
-
-	data->pcm1796_oversampling =
-		params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
-	for (i = 0; i < data->dacs; ++i)
-		pcm1796_write(chip, i, 20, data->pcm1796_oversampling);
-}
-
-static void set_cs53x1_params(struct oxygen *chip,
-			      struct snd_pcm_hw_params *params)
-{
-	unsigned int value;
-
-	if (params_rate(params) <= 54000)
-		value = GPIO_CS53x1_M_SINGLE;
-	else if (params_rate(params) <= 108000)
-		value = GPIO_CS53x1_M_DOUBLE;
-	else
-		value = GPIO_CS53x1_M_QUAD;
-	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
-			      value, GPIO_CS53x1_M_MASK);
-}
-
-static void set_cs43xx_params(struct oxygen *chip,
-			      struct snd_pcm_hw_params *params)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->cs4398_fm = CS4398_DEM_NONE | CS4398_DIF_LJUST;
-	data->cs4362a_fm = CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
-	if (params_rate(params) <= 50000) {
-		data->cs4398_fm |= CS4398_FM_SINGLE;
-		data->cs4362a_fm |= CS4362A_FM_SINGLE;
-	} else if (params_rate(params) <= 100000) {
-		data->cs4398_fm |= CS4398_FM_DOUBLE;
-		data->cs4362a_fm |= CS4362A_FM_DOUBLE;
-	} else {
-		data->cs4398_fm |= CS4398_FM_QUAD;
-		data->cs4362a_fm |= CS4362A_FM_QUAD;
-	}
-	cs4398_write(chip, 2, data->cs4398_fm);
-	cs4362a_write(chip, 0x06, data->cs4362a_fm);
-	cs4362a_write(chip, 0x09, data->cs4362a_fm);
-	cs4362a_write(chip, 0x0c, data->cs4362a_fm);
-}
-
-static void set_hdmi_params(struct oxygen *chip,
-			    struct snd_pcm_hw_params *params)
-{
-	struct xonar_data *data = chip->model_data;
-
-	data->hdmi_params[0] = 0; /* 1 = non-audio */
-	switch (params_rate(params)) {
-	case 44100:
-		data->hdmi_params[1] = IEC958_AES3_CON_FS_44100;
-		break;
-	case 48000:
-		data->hdmi_params[1] = IEC958_AES3_CON_FS_48000;
-		break;
-	default: /* 96000 */
-		data->hdmi_params[1] = IEC958_AES3_CON_FS_96000;
-		break;
-	case 192000:
-		data->hdmi_params[1] = IEC958_AES3_CON_FS_192000;
-		break;
-	}
-	data->hdmi_params[2] = params_channels(params) / 2 - 1;
-	if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE)
-		data->hdmi_params[3] = 0;
-	else
-		data->hdmi_params[3] = 0xc0;
-	data->hdmi_params[4] = 1; /* ? */
-	hdmi_write_command(chip, 0x54, 5, data->hdmi_params);
-}
-
-static void set_hdav_params(struct oxygen *chip,
-			    struct snd_pcm_hw_params *params)
-{
-	set_pcm1796_params(chip, params);
-	set_hdmi_params(chip, params);
-}
-
-static void xonar_gpio_changed(struct oxygen *chip)
-{
-	struct xonar_data *data = chip->model_data;
-	u8 has_power;
-
-	has_power = !!(oxygen_read8(chip, data->ext_power_reg)
-		       & data->ext_power_bit);
-	if (has_power != data->has_power) {
-		data->has_power = has_power;
-		if (has_power) {
-			snd_printk(KERN_NOTICE "power restored\n");
-		} else {
-			snd_printk(KERN_CRIT
-				   "Hey! Don't unplug the power cable!\n");
-			/* TODO: stop PCMs */
-		}
-	}
-}
-
-static void xonar_hdav_uart_input(struct oxygen *chip)
-{
-	if (chip->uart_input_count >= 2 &&
-	    chip->uart_input[chip->uart_input_count - 2] == 'O' &&
-	    chip->uart_input[chip->uart_input_count - 1] == 'K') {
-		printk(KERN_DEBUG "message from Xonar HDAV HDMI chip received:\n");
-		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
-				     chip->uart_input, chip->uart_input_count);
-		chip->uart_input_count = 0;
-	}
-}
-
-static int gpio_bit_switch_get(struct snd_kcontrol *ctl,
-			       struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	u16 bit = ctl->private_value;
-
-	value->value.integer.value[0] =
-		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
-	return 0;
-}
-
-static int gpio_bit_switch_put(struct snd_kcontrol *ctl,
-			       struct snd_ctl_elem_value *value)
-{
-	struct oxygen *chip = ctl->private_data;
-	u16 bit = ctl->private_value;
-	u16 old_bits, new_bits;
-	int changed;
-
-	spin_lock_irq(&chip->reg_lock);
-	old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
-	if (value->value.integer.value[0])
-		new_bits = old_bits | bit;
-	else
-		new_bits = old_bits & ~bit;
-	changed = new_bits != old_bits;
-	if (changed)
-		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
-	spin_unlock_irq(&chip->reg_lock);
-	return changed;
-}
-
-static const struct snd_kcontrol_new alt_switch = {
-	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-	.name = "Analog Loopback Switch",
-	.info = snd_ctl_boolean_mono_info,
-	.get = gpio_bit_switch_get,
-	.put = gpio_bit_switch_put,
-	.private_value = GPIO_D2_ALT,
-};
-
-static const struct snd_kcontrol_new front_panel_switch = {
-	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-	.name = "Front Panel Switch",
-	.info = snd_ctl_boolean_mono_info,
-	.get = gpio_bit_switch_get,
-	.put = gpio_bit_switch_put,
-	.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)
-{
-	if (reg == AC97_LINE) {
-		spin_lock_irq(&chip->reg_lock);
-		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
-				      mute ? GPIO_DX_INPUT_ROUTE : 0,
-				      GPIO_DX_INPUT_ROUTE);
-		spin_unlock_irq(&chip->reg_lock);
-	}
-}
-
-static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -6000, 50, 0);
-static const DECLARE_TLV_DB_SCALE(cs4362a_db_scale, -6000, 100, 0);
-
-static int xonar_d2_control_filter(struct snd_kcontrol_new *template)
-{
-	if (!strncmp(template->name, "CD Capture ", 11))
-		/* CD in is actually connected to the video in pin */
-		template->private_value ^= AC97_CD ^ AC97_VIDEO;
-	return 0;
-}
-
-static int xonar_d1_control_filter(struct snd_kcontrol_new *template)
-{
-	if (!strncmp(template->name, "CD Capture ", 11))
-		return 1; /* no CD input */
-	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));
-}
-
-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",
-	.init = xonar_d2_init,
-	.control_filter = xonar_d2_control_filter,
-	.mixer_init = xonar_d2_mixer_init,
-	.cleanup = xonar_d2_cleanup,
-	.suspend = xonar_d2_suspend,
-	.resume = xonar_d2_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,
-	.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 |
-			 CAPTURE_1_FROM_SPDIF |
-			 MIDI_OUTPUT |
-			 MIDI_INPUT,
-	.dac_channels = 8,
-	.dac_volume_min = 255 - 2*60,
-	.dac_volume_max = 255,
-	.misc_flags = OXYGEN_MISC_MIDI,
-	.function_flags = OXYGEN_FUNCTION_SPI |
-			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
-	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-};
-
-static const struct oxygen_model model_xonar_d1 = {
-	.longname = "Asus Virtuoso 100",
-	.chip = "AV200",
-	.init = xonar_d1_init,
-	.control_filter = xonar_d1_control_filter,
-	.mixer_init = xonar_d1_mixer_init,
-	.cleanup = xonar_d1_cleanup,
-	.suspend = xonar_d1_suspend,
-	.resume = xonar_d1_resume,
-	.set_dac_params = set_cs43xx_params,
-	.set_adc_params = set_cs53x1_params,
-	.update_dac_volume = update_cs43xx_volume,
-	.update_dac_mute = update_cs43xx_mute,
-	.ac97_switch = xonar_line_mic_ac97_switch,
-	.dac_tlv = cs4362a_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 = 8,
-	.dac_volume_min = 127 - 60,
-	.dac_volume_max = 127,
-	.function_flags = OXYGEN_FUNCTION_2WIRE,
-	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-};
-
-static const struct oxygen_model model_xonar_hdav = {
-	.longname = "Asus Virtuoso 200",
-	.chip = "AV200",
-	.init = xonar_hdav_init,
-	.cleanup = xonar_hdav_cleanup,
-	.suspend = xonar_hdav_suspend,
-	.resume = xonar_hdav_resume,
-	.pcm_hardware_filter = xonar_hdav_pcm_hardware_filter,
-	.set_dac_params = set_hdav_params,
-	.set_adc_params = set_cs53x1_params,
-	.update_dac_volume = update_pcm1796_volume,
-	.update_dac_mute = update_pcm1796_mute,
-	.uart_input = xonar_hdav_uart_input,
-	.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 |
-			 CAPTURE_1_FROM_SPDIF,
-	.dac_channels = 8,
-	.dac_volume_min = 255 - 2*60,
-	.dac_volume_max = 255,
-	.misc_flags = OXYGEN_MISC_MIDI,
-	.function_flags = OXYGEN_FUNCTION_2WIRE,
-	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
-};
-
-static const struct oxygen_model model_xonar_st = {
-	.longname = "Asus Virtuoso 100",
-	.chip = "AV200",
-	.init = xonar_st_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)
 {
-	static const struct oxygen_model *const models[] = {
-		[MODEL_D1]	= &model_xonar_d1,
-		[MODEL_DX]	= &model_xonar_d1,
-		[MODEL_D2]	= &model_xonar_d2,
-		[MODEL_D2X]	= &model_xonar_d2,
-		[MODEL_HDAV]	= &model_xonar_hdav,
-		[MODEL_ST]	= &model_xonar_st,
-		[MODEL_STX]	= &model_xonar_st,
-	};
-	static const char *const names[] = {
-		[MODEL_D1]	= "Xonar D1",
-		[MODEL_DX]	= "Xonar DX",
-		[MODEL_D2]	= "Xonar D2",
-		[MODEL_D2X]	= "Xonar D2X",
-		[MODEL_HDAV]	= "Xonar HDAV1.3",
-		[MODEL_HDAV_H6]	= "Xonar HDAV1.3+H6",
-		[MODEL_ST]	= "Xonar Essence ST",
-		[MODEL_ST_H6]	= "Xonar Essence ST+H6",
-		[MODEL_STX]	= "Xonar Essence STX",
-	};
-	unsigned int model = id->driver_data;
-
-	if (model >= ARRAY_SIZE(models) || !models[model])
-		return -EINVAL;
-	chip->model = *models[model];
-
-	switch (model) {
-	case MODEL_D2X:
-		chip->model.init = xonar_d2x_init;
-		break;
-	case MODEL_DX:
-		chip->model.init = xonar_dx_init;
-		break;
-	case MODEL_HDAV:
-		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
-		switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DB_MASK) {
-		case GPIO_DB_H6:
-			model = MODEL_HDAV_H6;
-			break;
-		case GPIO_DB_XX:
-			snd_printk(KERN_ERR "unknown daughterboard\n");
-			return -ENODEV;
-		}
-		break;
-	case MODEL_ST:
-		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
-		switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DB_MASK) {
-		case GPIO_DB_H6:
-			model = MODEL_ST_H6;
-			break;
-		}
-		break;
-	case MODEL_STX:
-		chip->model.init = xonar_stx_init;
-		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
-		break;
-	}
-
-	chip->model.shortname = names[model];
-	chip->model.private_data = model;
-	return 0;
+	if (get_xonar_pcm179x_model(chip, id) >= 0)
+		return 0;
+	if (get_xonar_cs43xx_model(chip, id) >= 0)
+		return 0;
+	return -EINVAL;
 }
 
 static int __devinit xonar_probe(struct pci_dev *pci,
diff --git a/sound/pci/oxygen/xonar.h b/sound/pci/oxygen/xonar.h
new file mode 100644
index 0000000..89b3ed8
--- /dev/null
+++ b/sound/pci/oxygen/xonar.h
@@ -0,0 +1,50 @@
+#ifndef XONAR_H_INCLUDED
+#define XONAR_H_INCLUDED
+
+#include "oxygen.h"
+
+struct xonar_generic {
+	unsigned int anti_pop_delay;
+	u16 output_enable_bit;
+	u8 ext_power_reg;
+	u8 ext_power_int_reg;
+	u8 ext_power_bit;
+	u8 has_power;
+};
+
+struct xonar_hdmi {
+	u8 params[5];
+};
+
+/* generic helper functions */
+
+void xonar_enable_output(struct oxygen *chip);
+void xonar_disable_output(struct oxygen *chip);
+void xonar_init_ext_power(struct oxygen *chip);
+void xonar_init_cs53x1(struct oxygen *chip);
+void xonar_set_cs53x1_params(struct oxygen *chip,
+			     struct snd_pcm_hw_params *params);
+int xonar_gpio_bit_switch_get(struct snd_kcontrol *ctl,
+			      struct snd_ctl_elem_value *value);
+int xonar_gpio_bit_switch_put(struct snd_kcontrol *ctl,
+			      struct snd_ctl_elem_value *value);
+
+/* model-specific card drivers */
+
+int get_xonar_pcm179x_model(struct oxygen *chip,
+			    const struct pci_device_id *id);
+int get_xonar_cs43xx_model(struct oxygen *chip,
+			   const struct pci_device_id *id);
+
+/* HDMI helper functions */
+
+void xonar_hdmi_init(struct oxygen *chip, struct xonar_hdmi *data);
+void xonar_hdmi_cleanup(struct oxygen *chip);
+void xonar_hdmi_resume(struct oxygen *chip, struct xonar_hdmi *hdmi);
+void xonar_hdmi_pcm_hardware_filter(unsigned int channel,
+				    struct snd_pcm_hardware *hardware);
+void xonar_set_hdmi_params(struct oxygen *chip, struct xonar_hdmi *hdmi,
+			   struct snd_pcm_hw_params *params);
+void xonar_hdmi_uart_input(struct oxygen *chip);
+
+#endif
diff --git a/sound/pci/oxygen/xonar_cs43xx.c b/sound/pci/oxygen/xonar_cs43xx.c
new file mode 100644
index 0000000..8fb5797
--- /dev/null
+++ b/sound/pci/oxygen/xonar_cs43xx.c
@@ -0,0 +1,304 @@
+/*
+ * card driver for models with CS4398/CS4362A DACs (Xonar D1/DX)
+ *
+ * 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 D1/DX
+ * -----------
+ *
+ * CMI8788:
+ *
+ * I²C <-> CS4398 (front)
+ *     <-> CS4362A (surround, center/LFE, back)
+ *
+ * GPI 0 <- external power present (DX only)
+ *
+ * GPIO 0 -> enable output to speakers
+ * GPIO 1 -> enable front panel I/O
+ * GPIO 2 -> M0 of CS5361
+ * GPIO 3 -> M1 of CS5361
+ * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
+ *
+ * CS4398:
+ *
+ * AD0 <- 1
+ * AD1 <- 1
+ *
+ * CS4362A:
+ *
+ * AD0 <- 0
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <sound/ac97_codec.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include "xonar.h"
+#include "cs4398.h"
+#include "cs4362a.h"
+
+#define GPI_EXT_POWER		0x01
+#define GPIO_D1_OUTPUT_ENABLE	0x0001
+#define GPIO_D1_FRONT_PANEL	0x0002
+#define GPIO_D1_INPUT_ROUTE	0x0100
+
+#define I2C_DEVICE_CS4398	0x9e	/* 10011, AD1=1, AD0=1, /W=0 */
+#define I2C_DEVICE_CS4362A	0x30	/* 001100, AD0=0, /W=0 */
+
+struct xonar_cs43xx {
+	struct xonar_generic generic;
+	u8 cs4398_fm;
+	u8 cs4362a_fm;
+};
+
+static void cs4398_write(struct oxygen *chip, u8 reg, u8 value)
+{
+	oxygen_write_i2c(chip, I2C_DEVICE_CS4398, reg, value);
+}
+
+static void cs4362a_write(struct oxygen *chip, u8 reg, u8 value)
+{
+	oxygen_write_i2c(chip, I2C_DEVICE_CS4362A, reg, value);
+}
+
+static void update_cs4362a_volumes(struct oxygen *chip)
+{
+	u8 mute;
+
+	mute = chip->dac_mute ? CS4362A_MUTE : 0;
+	cs4362a_write(chip, 7, (127 - chip->dac_volume[2]) | mute);
+	cs4362a_write(chip, 8, (127 - chip->dac_volume[3]) | mute);
+	cs4362a_write(chip, 10, (127 - chip->dac_volume[4]) | mute);
+	cs4362a_write(chip, 11, (127 - chip->dac_volume[5]) | mute);
+	cs4362a_write(chip, 13, (127 - chip->dac_volume[6]) | mute);
+	cs4362a_write(chip, 14, (127 - chip->dac_volume[7]) | mute);
+}
+
+static void update_cs43xx_volume(struct oxygen *chip)
+{
+	cs4398_write(chip, 5, (127 - chip->dac_volume[0]) * 2);
+	cs4398_write(chip, 6, (127 - chip->dac_volume[1]) * 2);
+	update_cs4362a_volumes(chip);
+}
+
+static void update_cs43xx_mute(struct oxygen *chip)
+{
+	u8 reg;
+
+	reg = CS4398_MUTEP_LOW | CS4398_PAMUTE;
+	if (chip->dac_mute)
+		reg |= CS4398_MUTE_B | CS4398_MUTE_A;
+	cs4398_write(chip, 4, reg);
+	update_cs4362a_volumes(chip);
+}
+
+static void cs43xx_init(struct oxygen *chip)
+{
+	struct xonar_cs43xx *data = chip->model_data;
+
+	/* set CPEN (control port mode) and power down */
+	cs4398_write(chip, 8, CS4398_CPEN | CS4398_PDN);
+	cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
+	/* configure */
+	cs4398_write(chip, 2, data->cs4398_fm);
+	cs4398_write(chip, 3, CS4398_ATAPI_B_R | CS4398_ATAPI_A_L);
+	cs4398_write(chip, 7, CS4398_RMP_DN | CS4398_RMP_UP |
+		     CS4398_ZERO_CROSS | CS4398_SOFT_RAMP);
+	cs4362a_write(chip, 0x02, CS4362A_DIF_LJUST);
+	cs4362a_write(chip, 0x03, CS4362A_MUTEC_6 | CS4362A_AMUTE |
+		      CS4362A_RMP_UP | CS4362A_ZERO_CROSS | CS4362A_SOFT_RAMP);
+	cs4362a_write(chip, 0x04, CS4362A_RMP_DN | CS4362A_DEM_NONE);
+	cs4362a_write(chip, 0x05, 0);
+	cs4362a_write(chip, 0x06, data->cs4362a_fm);
+	cs4362a_write(chip, 0x09, data->cs4362a_fm);
+	cs4362a_write(chip, 0x0c, data->cs4362a_fm);
+	update_cs43xx_volume(chip);
+	update_cs43xx_mute(chip);
+	/* clear power down */
+	cs4398_write(chip, 8, CS4398_CPEN);
+	cs4362a_write(chip, 0x01, CS4362A_CPEN);
+}
+
+static void xonar_d1_init(struct oxygen *chip)
+{
+	struct xonar_cs43xx *data = chip->model_data;
+
+	data->generic.anti_pop_delay = 800;
+	data->generic.output_enable_bit = GPIO_D1_OUTPUT_ENABLE;
+	data->cs4398_fm = CS4398_FM_SINGLE | CS4398_DEM_NONE | CS4398_DIF_LJUST;
+	data->cs4362a_fm = CS4362A_FM_SINGLE |
+		CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
+
+	oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
+		       OXYGEN_2WIRE_LENGTH_8 |
+		       OXYGEN_2WIRE_INTERRUPT_MASK |
+		       OXYGEN_2WIRE_SPEED_FAST);
+
+	cs43xx_init(chip);
+
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
+			  GPIO_D1_FRONT_PANEL | GPIO_D1_INPUT_ROUTE);
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
+			    GPIO_D1_FRONT_PANEL | GPIO_D1_INPUT_ROUTE);
+
+	xonar_init_cs53x1(chip);
+	xonar_enable_output(chip);
+
+	snd_component_add(chip->card, "CS4398");
+	snd_component_add(chip->card, "CS4362A");
+	snd_component_add(chip->card, "CS5361");
+}
+
+static void xonar_dx_init(struct oxygen *chip)
+{
+	struct xonar_cs43xx *data = chip->model_data;
+
+	data->generic.ext_power_reg = OXYGEN_GPI_DATA;
+	data->generic.ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
+	data->generic.ext_power_bit = GPI_EXT_POWER;
+	xonar_init_ext_power(chip);
+	xonar_d1_init(chip);
+}
+
+static void xonar_d1_cleanup(struct oxygen *chip)
+{
+	xonar_disable_output(chip);
+	cs4362a_write(chip, 0x01, CS4362A_PDN | CS4362A_CPEN);
+	oxygen_clear_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
+}
+
+static void xonar_d1_suspend(struct oxygen *chip)
+{
+	xonar_d1_cleanup(chip);
+}
+
+static void xonar_d1_resume(struct oxygen *chip)
+{
+	oxygen_set_bits8(chip, OXYGEN_FUNCTION, OXYGEN_FUNCTION_RESET_CODEC);
+	msleep(1);
+	cs43xx_init(chip);
+	xonar_enable_output(chip);
+}
+
+static void set_cs43xx_params(struct oxygen *chip,
+			      struct snd_pcm_hw_params *params)
+{
+	struct xonar_cs43xx *data = chip->model_data;
+
+	data->cs4398_fm = CS4398_DEM_NONE | CS4398_DIF_LJUST;
+	data->cs4362a_fm = CS4362A_ATAPI_B_R | CS4362A_ATAPI_A_L;
+	if (params_rate(params) <= 50000) {
+		data->cs4398_fm |= CS4398_FM_SINGLE;
+		data->cs4362a_fm |= CS4362A_FM_SINGLE;
+	} else if (params_rate(params) <= 100000) {
+		data->cs4398_fm |= CS4398_FM_DOUBLE;
+		data->cs4362a_fm |= CS4362A_FM_DOUBLE;
+	} else {
+		data->cs4398_fm |= CS4398_FM_QUAD;
+		data->cs4362a_fm |= CS4362A_FM_QUAD;
+	}
+	cs4398_write(chip, 2, data->cs4398_fm);
+	cs4362a_write(chip, 0x06, data->cs4362a_fm);
+	cs4362a_write(chip, 0x09, data->cs4362a_fm);
+	cs4362a_write(chip, 0x0c, data->cs4362a_fm);
+}
+
+static const struct snd_kcontrol_new front_panel_switch = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "Front Panel Switch",
+	.info = snd_ctl_boolean_mono_info,
+	.get = xonar_gpio_bit_switch_get,
+	.put = xonar_gpio_bit_switch_put,
+	.private_value = GPIO_D1_FRONT_PANEL,
+};
+
+static void xonar_d1_line_mic_ac97_switch(struct oxygen *chip,
+					  unsigned int reg, unsigned int mute)
+{
+	if (reg == AC97_LINE) {
+		spin_lock_irq(&chip->reg_lock);
+		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+				      mute ? GPIO_D1_INPUT_ROUTE : 0,
+				      GPIO_D1_INPUT_ROUTE);
+		spin_unlock_irq(&chip->reg_lock);
+	}
+}
+
+static const DECLARE_TLV_DB_SCALE(cs4362a_db_scale, -6000, 100, 0);
+
+static int xonar_d1_control_filter(struct snd_kcontrol_new *template)
+{
+	if (!strncmp(template->name, "CD Capture ", 11))
+		return 1; /* no CD input */
+	return 0;
+}
+
+static int xonar_d1_mixer_init(struct oxygen *chip)
+{
+	return snd_ctl_add(chip->card, snd_ctl_new1(&front_panel_switch, chip));
+}
+
+static const struct oxygen_model model_xonar_d1 = {
+	.longname = "Asus Virtuoso 100",
+	.chip = "AV200",
+	.init = xonar_d1_init,
+	.control_filter = xonar_d1_control_filter,
+	.mixer_init = xonar_d1_mixer_init,
+	.cleanup = xonar_d1_cleanup,
+	.suspend = xonar_d1_suspend,
+	.resume = xonar_d1_resume,
+	.set_dac_params = set_cs43xx_params,
+	.set_adc_params = xonar_set_cs53x1_params,
+	.update_dac_volume = update_cs43xx_volume,
+	.update_dac_mute = update_cs43xx_mute,
+	.ac97_switch = xonar_d1_line_mic_ac97_switch,
+	.dac_tlv = cs4362a_db_scale,
+	.model_data_size = sizeof(struct xonar_cs43xx),
+	.device_config = PLAYBACK_0_TO_I2S |
+			 PLAYBACK_1_TO_SPDIF |
+			 CAPTURE_0_FROM_I2S_2,
+	.dac_channels = 8,
+	.dac_volume_min = 127 - 60,
+	.dac_volume_max = 127,
+	.function_flags = OXYGEN_FUNCTION_2WIRE,
+	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};
+
+int __devinit get_xonar_cs43xx_model(struct oxygen *chip,
+				     const struct pci_device_id *id)
+{
+	switch (id->subdevice) {
+	case 0x834f:
+		chip->model = model_xonar_d1;
+		chip->model.shortname = "Xonar D1";
+		break;
+	case 0x8275:
+	case 0x8327:
+		chip->model = model_xonar_d1;
+		chip->model.shortname = "Xonar DX";
+		chip->model.init = xonar_dx_init;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
diff --git a/sound/pci/oxygen/xonar_hdmi.c b/sound/pci/oxygen/xonar_hdmi.c
new file mode 100644
index 0000000..b12db1f
--- /dev/null
+++ b/sound/pci/oxygen/xonar_hdmi.c
@@ -0,0 +1,128 @@
+/*
+ * helper functions for HDMI models (Xonar HDAV1.3)
+ *
+ * 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/>.
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <sound/asoundef.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include "xonar.h"
+
+static void hdmi_write_command(struct oxygen *chip, u8 command,
+			       unsigned int count, const u8 *params)
+{
+	unsigned int i;
+	u8 checksum;
+
+	oxygen_write_uart(chip, 0xfb);
+	oxygen_write_uart(chip, 0xef);
+	oxygen_write_uart(chip, command);
+	oxygen_write_uart(chip, count);
+	for (i = 0; i < count; ++i)
+		oxygen_write_uart(chip, params[i]);
+	checksum = 0xfb + 0xef + command + count;
+	for (i = 0; i < count; ++i)
+		checksum += params[i];
+	oxygen_write_uart(chip, checksum);
+}
+
+static void xonar_hdmi_init_commands(struct oxygen *chip,
+				     struct xonar_hdmi *hdmi)
+{
+	u8 param;
+
+	oxygen_reset_uart(chip);
+	param = 0;
+	hdmi_write_command(chip, 0x61, 1, &param);
+	param = 1;
+	hdmi_write_command(chip, 0x74, 1, &param);
+	hdmi_write_command(chip, 0x54, 5, hdmi->params);
+}
+
+void xonar_hdmi_init(struct oxygen *chip, struct xonar_hdmi *hdmi)
+{
+	hdmi->params[1] = IEC958_AES3_CON_FS_48000;
+	hdmi->params[4] = 1;
+	xonar_hdmi_init_commands(chip, hdmi);
+}
+
+void xonar_hdmi_cleanup(struct oxygen *chip)
+{
+	u8 param = 0;
+
+	hdmi_write_command(chip, 0x74, 1, &param);
+}
+
+void xonar_hdmi_resume(struct oxygen *chip, struct xonar_hdmi *hdmi)
+{
+	xonar_hdmi_init_commands(chip, hdmi);
+}
+
+void xonar_hdmi_pcm_hardware_filter(unsigned int channel,
+				    struct snd_pcm_hardware *hardware)
+{
+	if (channel == PCM_MULTICH) {
+		hardware->rates = SNDRV_PCM_RATE_44100 |
+				  SNDRV_PCM_RATE_48000 |
+				  SNDRV_PCM_RATE_96000 |
+				  SNDRV_PCM_RATE_192000;
+		hardware->rate_min = 44100;
+	}
+}
+
+void xonar_set_hdmi_params(struct oxygen *chip, struct xonar_hdmi *hdmi,
+			   struct snd_pcm_hw_params *params)
+{
+	hdmi->params[0] = 0; /* 1 = non-audio */
+	switch (params_rate(params)) {
+	case 44100:
+		hdmi->params[1] = IEC958_AES3_CON_FS_44100;
+		break;
+	case 48000:
+		hdmi->params[1] = IEC958_AES3_CON_FS_48000;
+		break;
+	default: /* 96000 */
+		hdmi->params[1] = IEC958_AES3_CON_FS_96000;
+		break;
+	case 192000:
+		hdmi->params[1] = IEC958_AES3_CON_FS_192000;
+		break;
+	}
+	hdmi->params[2] = params_channels(params) / 2 - 1;
+	if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE)
+		hdmi->params[3] = 0;
+	else
+		hdmi->params[3] = 0xc0;
+	hdmi->params[4] = 1; /* ? */
+	hdmi_write_command(chip, 0x54, 5, hdmi->params);
+}
+
+void xonar_hdmi_uart_input(struct oxygen *chip)
+{
+	if (chip->uart_input_count >= 2 &&
+	    chip->uart_input[chip->uart_input_count - 2] == 'O' &&
+	    chip->uart_input[chip->uart_input_count - 1] == 'K') {
+		printk(KERN_DEBUG "message from HDMI chip received:\n");
+		print_hex_dump_bytes("", DUMP_PREFIX_OFFSET,
+				     chip->uart_input, chip->uart_input_count);
+		chip->uart_input_count = 0;
+	}
+}
diff --git a/sound/pci/oxygen/xonar_lib.c b/sound/pci/oxygen/xonar_lib.c
new file mode 100644
index 0000000..b3ff713
--- /dev/null
+++ b/sound/pci/oxygen/xonar_lib.c
@@ -0,0 +1,132 @@
+/*
+ * helper functions for Asus Xonar cards
+ *
+ * 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/>.
+ */
+
+#include <linux/delay.h>
+#include <sound/core.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include "xonar.h"
+
+
+#define GPIO_CS53x1_M_MASK	0x000c
+#define GPIO_CS53x1_M_SINGLE	0x0000
+#define GPIO_CS53x1_M_DOUBLE	0x0004
+#define GPIO_CS53x1_M_QUAD	0x0008
+
+
+void xonar_enable_output(struct oxygen *chip)
+{
+	struct xonar_generic *data = chip->model_data;
+
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, data->output_enable_bit);
+	msleep(data->anti_pop_delay);
+	oxygen_set_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
+}
+
+void xonar_disable_output(struct oxygen *chip)
+{
+	struct xonar_generic *data = chip->model_data;
+
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, data->output_enable_bit);
+}
+
+static void xonar_ext_power_gpio_changed(struct oxygen *chip)
+{
+	struct xonar_generic *data = chip->model_data;
+	u8 has_power;
+
+	has_power = !!(oxygen_read8(chip, data->ext_power_reg)
+		       & data->ext_power_bit);
+	if (has_power != data->has_power) {
+		data->has_power = has_power;
+		if (has_power) {
+			snd_printk(KERN_NOTICE "power restored\n");
+		} else {
+			snd_printk(KERN_CRIT
+				   "Hey! Don't unplug the power cable!\n");
+			/* TODO: stop PCMs */
+		}
+	}
+}
+
+void xonar_init_ext_power(struct oxygen *chip)
+{
+	struct xonar_generic *data = chip->model_data;
+
+	oxygen_set_bits8(chip, data->ext_power_int_reg,
+			 data->ext_power_bit);
+	chip->interrupt_mask |= OXYGEN_INT_GPIO;
+	chip->model.gpio_changed = xonar_ext_power_gpio_changed;
+	data->has_power = !!(oxygen_read8(chip, data->ext_power_reg)
+			     & data->ext_power_bit);
+}
+
+void xonar_init_cs53x1(struct oxygen *chip)
+{
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_CS53x1_M_MASK);
+	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+			      GPIO_CS53x1_M_SINGLE, GPIO_CS53x1_M_MASK);
+}
+
+void xonar_set_cs53x1_params(struct oxygen *chip,
+			     struct snd_pcm_hw_params *params)
+{
+	unsigned int value;
+
+	if (params_rate(params) <= 54000)
+		value = GPIO_CS53x1_M_SINGLE;
+	else if (params_rate(params) <= 108000)
+		value = GPIO_CS53x1_M_DOUBLE;
+	else
+		value = GPIO_CS53x1_M_QUAD;
+	oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+			      value, GPIO_CS53x1_M_MASK);
+}
+
+int xonar_gpio_bit_switch_get(struct snd_kcontrol *ctl,
+			      struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	u16 bit = ctl->private_value;
+
+	value->value.integer.value[0] =
+		!!(oxygen_read16(chip, OXYGEN_GPIO_DATA) & bit);
+	return 0;
+}
+
+int xonar_gpio_bit_switch_put(struct snd_kcontrol *ctl,
+			      struct snd_ctl_elem_value *value)
+{
+	struct oxygen *chip = ctl->private_data;
+	u16 bit = ctl->private_value;
+	u16 old_bits, new_bits;
+	int changed;
+
+	spin_lock_irq(&chip->reg_lock);
+	old_bits = oxygen_read16(chip, OXYGEN_GPIO_DATA);
+	if (value->value.integer.value[0])
+		new_bits = old_bits | bit;
+	else
+		new_bits = old_bits & ~bit;
+	changed = new_bits != old_bits;
+	if (changed)
+		oxygen_write16(chip, OXYGEN_GPIO_DATA, new_bits);
+	spin_unlock_irq(&chip->reg_lock);
+	return changed;
+}
diff --git a/sound/pci/oxygen/xonar_pcm179x.c b/sound/pci/oxygen/xonar_pcm179x.c
new file mode 100644
index 0000000..eb5f015
--- /dev/null
+++ b/sound/pci/oxygen/xonar_pcm179x.c
@@ -0,0 +1,660 @@
+/*
+ * card driver for models with PCM1796 DACs (Xonar D2/D2X/HDAV1.3/ST/STX)
+ *
+ * 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 D2/D2X
+ * ------------
+ *
+ * CMI8788:
+ *
+ * SPI 0 -> 1st PCM1796 (front)
+ * SPI 1 -> 2nd PCM1796 (surround)
+ * SPI 2 -> 3rd PCM1796 (center/LFE)
+ * SPI 4 -> 4th PCM1796 (back)
+ *
+ * GPIO 2 -> M0 of CS5381
+ * GPIO 3 -> M1 of CS5381
+ * GPIO 5 <- external power present (D2X only)
+ * GPIO 7 -> ALT
+ * GPIO 8 -> enable output to speakers
+ */
+
+/*
+ * Xonar HDAV1.3 (Deluxe)
+ * ----------------------
+ *
+ * CMI8788:
+ *
+ * I²C <-> PCM1796 (front)
+ *
+ * GPI 0 <- external power present
+ *
+ * GPIO 0 -> enable output to speakers
+ * GPIO 2 -> M0 of CS5381
+ * GPIO 3 -> M1 of CS5381
+ * GPIO 8 -> route input jack to line-in (0) or mic-in (1)
+ *
+ * TXD -> HDMI controller
+ * RXD <- HDMI controller
+ *
+ * PCM1796 front: AD1,0 <- 0,0
+ *
+ * no daughterboard
+ * ----------------
+ *
+ * GPIO 4 <- 1
+ *
+ * H6 daughterboard
+ * ----------------
+ *
+ * GPIO 4 <- 0
+ * GPIO 5 <- 0
+ *
+ * I²C <-> PCM1796 (surround)
+ *     <-> PCM1796 (center/LFE)
+ *     <-> PCM1796 (back)
+ *
+ * PCM1796 surround:   AD1,0 <- 0,1
+ * PCM1796 center/LFE: AD1,0 <- 1,0
+ * PCM1796 back:       AD1,0 <- 1,1
+ *
+ * unknown daughterboard
+ * ---------------------
+ *
+ * GPIO 4 <- 0
+ * GPIO 5 <- 1
+ *
+ * I²C <-> CS4362A (surround, center/LFE, back)
+ *
+ * CS4362A: AD0 <- 0
+ */
+
+/*
+ * Xonar Essence ST (Deluxe)/STX
+ * -----------------------------
+ *
+ * CMI8788:
+ *
+ * I²C <-> PCM1792A
+ *
+ * GPI 0 <- external power present (STX only)
+ *
+ * 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:
+ *
+ * AD1,0 <- 0,0
+ *
+ * H6 daughterboard
+ * ----------------
+ *
+ * GPIO 4 <- 0
+ * GPIO 5 <- 0
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <sound/ac97_codec.h>
+#include <sound/control.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include "xonar.h"
+#include "cm9780.h"
+#include "pcm1796.h"
+
+
+#define GPIO_D2X_EXT_POWER	0x0020
+#define GPIO_D2_ALT		0x0080
+#define GPIO_D2_OUTPUT_ENABLE	0x0100
+
+#define GPI_EXT_POWER		0x01
+#define GPIO_INPUT_ROUTE	0x0100
+
+#define GPIO_HDAV_OUTPUT_ENABLE	0x0001
+
+#define GPIO_DB_MASK		0x0030
+#define GPIO_DB_H6		0x0000
+
+#define GPIO_ST_OUTPUT_ENABLE	0x0001
+#define GPIO_ST_HP_REAR		0x0002
+#define GPIO_ST_HP		0x0080
+
+#define I2C_DEVICE_PCM1796(i)	(0x98 + ((i) << 1))	/* 10011, ii, /W=0 */
+
+
+struct xonar_pcm179x {
+	struct xonar_generic generic;
+	unsigned int dacs;
+	u8 oversampling;
+};
+
+struct xonar_hdav {
+	struct xonar_pcm179x pcm179x;
+	struct xonar_hdmi hdmi;
+};
+
+
+static inline void pcm1796_write_spi(struct oxygen *chip, unsigned int codec,
+				     u8 reg, u8 value)
+{
+	/* maps ALSA channel pair number to SPI output */
+	static const u8 codec_map[4] = {
+		0, 1, 2, 4
+	};
+	oxygen_write_spi(chip, OXYGEN_SPI_TRIGGER  |
+			 OXYGEN_SPI_DATA_LENGTH_2 |
+			 OXYGEN_SPI_CLOCK_160 |
+			 (codec_map[codec] << OXYGEN_SPI_CODEC_SHIFT) |
+			 OXYGEN_SPI_CEN_LATCH_CLOCK_HI,
+			 (reg << 8) | value);
+}
+
+static inline void pcm1796_write_i2c(struct oxygen *chip, unsigned int codec,
+				     u8 reg, u8 value)
+{
+	oxygen_write_i2c(chip, I2C_DEVICE_PCM1796(codec), reg, value);
+}
+
+static void pcm1796_write(struct oxygen *chip, unsigned int codec,
+			  u8 reg, u8 value)
+{
+	if ((chip->model.function_flags & OXYGEN_FUNCTION_2WIRE_SPI_MASK) ==
+	    OXYGEN_FUNCTION_SPI)
+		pcm1796_write_spi(chip, codec, reg, value);
+	else
+		pcm1796_write_i2c(chip, codec, reg, value);
+}
+
+static void update_pcm1796_volume(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+	unsigned int i;
+
+	for (i = 0; i < data->dacs; ++i) {
+		pcm1796_write(chip, i, 16, chip->dac_volume[i * 2]);
+		pcm1796_write(chip, i, 17, chip->dac_volume[i * 2 + 1]);
+	}
+}
+
+static void update_pcm1796_mute(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+	unsigned int i;
+	u8 value;
+
+	value = PCM1796_DMF_DISABLED | PCM1796_FMT_24_LJUST | PCM1796_ATLD;
+	if (chip->dac_mute)
+		value |= PCM1796_MUTE;
+	for (i = 0; i < data->dacs; ++i)
+		pcm1796_write(chip, i, 18, value);
+}
+
+static void pcm1796_init(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+	unsigned int i;
+
+	for (i = 0; i < data->dacs; ++i) {
+		pcm1796_write(chip, i, 19, PCM1796_FLT_SHARP | PCM1796_ATS_1);
+		pcm1796_write(chip, i, 20, data->oversampling);
+		pcm1796_write(chip, i, 21, 0);
+	}
+	update_pcm1796_mute(chip); /* set ATLD before ATL/ATR */
+	update_pcm1796_volume(chip);
+}
+
+static void xonar_d2_init(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+
+	data->generic.anti_pop_delay = 300;
+	data->generic.output_enable_bit = GPIO_D2_OUTPUT_ENABLE;
+	data->dacs = 4;
+	data->oversampling = PCM1796_OS_64;
+
+	pcm1796_init(chip);
+
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2_ALT);
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_D2_ALT);
+
+	oxygen_ac97_set_bits(chip, 0, CM9780_JACK, CM9780_FMIC2MIC);
+
+	xonar_init_cs53x1(chip);
+	xonar_enable_output(chip);
+
+	snd_component_add(chip->card, "PCM1796");
+	snd_component_add(chip->card, "CS5381");
+}
+
+static void xonar_d2x_init(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+
+	data->generic.ext_power_reg = OXYGEN_GPIO_DATA;
+	data->generic.ext_power_int_reg = OXYGEN_GPIO_INTERRUPT_MASK;
+	data->generic.ext_power_bit = GPIO_D2X_EXT_POWER;
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_D2X_EXT_POWER);
+	xonar_init_ext_power(chip);
+	xonar_d2_init(chip);
+}
+
+static void xonar_hdav_init(struct oxygen *chip)
+{
+	struct xonar_hdav *data = chip->model_data;
+
+	oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
+		       OXYGEN_2WIRE_LENGTH_8 |
+		       OXYGEN_2WIRE_INTERRUPT_MASK |
+		       OXYGEN_2WIRE_SPEED_FAST);
+
+	data->pcm179x.generic.anti_pop_delay = 100;
+	data->pcm179x.generic.output_enable_bit = GPIO_HDAV_OUTPUT_ENABLE;
+	data->pcm179x.generic.ext_power_reg = OXYGEN_GPI_DATA;
+	data->pcm179x.generic.ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
+	data->pcm179x.generic.ext_power_bit = GPI_EXT_POWER;
+	data->pcm179x.dacs = chip->model.private_data ? 4 : 1;
+	data->pcm179x.oversampling = PCM1796_OS_64;
+
+	pcm1796_init(chip);
+
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_INPUT_ROUTE);
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA, GPIO_INPUT_ROUTE);
+
+	xonar_init_cs53x1(chip);
+	xonar_init_ext_power(chip);
+	xonar_hdmi_init(chip, &data->hdmi);
+	xonar_enable_output(chip);
+
+	snd_component_add(chip->card, "PCM1796");
+	snd_component_add(chip->card, "CS5381");
+}
+
+static void xonar_st_init(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+
+	oxygen_write16(chip, OXYGEN_2WIRE_BUS_STATUS,
+		       OXYGEN_2WIRE_LENGTH_8 |
+		       OXYGEN_2WIRE_INTERRUPT_MASK |
+		       OXYGEN_2WIRE_SPEED_FAST);
+
+	data->generic.anti_pop_delay = 100;
+	data->generic.output_enable_bit = GPIO_ST_OUTPUT_ENABLE;
+	data->dacs = chip->model.private_data ? 4 : 1;
+	data->oversampling = PCM1796_OS_64;
+
+	pcm1796_init(chip);
+
+	oxygen_set_bits16(chip, OXYGEN_GPIO_CONTROL,
+			  GPIO_INPUT_ROUTE | GPIO_ST_HP_REAR | GPIO_ST_HP);
+	oxygen_clear_bits16(chip, OXYGEN_GPIO_DATA,
+			    GPIO_INPUT_ROUTE | GPIO_ST_HP_REAR | GPIO_ST_HP);
+
+	xonar_init_cs53x1(chip);
+	xonar_enable_output(chip);
+
+	snd_component_add(chip->card, "PCM1792A");
+	snd_component_add(chip->card, "CS5381");
+}
+
+static void xonar_stx_init(struct oxygen *chip)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+
+	data->generic.ext_power_reg = OXYGEN_GPI_DATA;
+	data->generic.ext_power_int_reg = OXYGEN_GPI_INTERRUPT_MASK;
+	data->generic.ext_power_bit = GPI_EXT_POWER;
+	xonar_init_ext_power(chip);
+	xonar_st_init(chip);
+}
+
+static void xonar_d2_cleanup(struct oxygen *chip)
+{
+	xonar_disable_output(chip);
+}
+
+static void xonar_hdav_cleanup(struct oxygen *chip)
+{
+	xonar_hdmi_cleanup(chip);
+	xonar_disable_output(chip);
+	msleep(2);
+}
+
+static void xonar_st_cleanup(struct oxygen *chip)
+{
+	xonar_disable_output(chip);
+}
+
+static void xonar_d2_suspend(struct oxygen *chip)
+{
+	xonar_d2_cleanup(chip);
+}
+
+static void xonar_hdav_suspend(struct oxygen *chip)
+{
+	xonar_hdav_cleanup(chip);
+}
+
+static void xonar_st_suspend(struct oxygen *chip)
+{
+	xonar_st_cleanup(chip);
+}
+
+static void xonar_d2_resume(struct oxygen *chip)
+{
+	pcm1796_init(chip);
+	xonar_enable_output(chip);
+}
+
+static void xonar_hdav_resume(struct oxygen *chip)
+{
+	struct xonar_hdav *data = chip->model_data;
+
+	pcm1796_init(chip);
+	xonar_hdmi_resume(chip, &data->hdmi);
+	xonar_enable_output(chip);
+}
+
+static void xonar_st_resume(struct oxygen *chip)
+{
+	pcm1796_init(chip);
+	xonar_enable_output(chip);
+}
+
+static void set_pcm1796_params(struct oxygen *chip,
+			       struct snd_pcm_hw_params *params)
+{
+	struct xonar_pcm179x *data = chip->model_data;
+	unsigned int i;
+
+	data->oversampling =
+		params_rate(params) >= 96000 ? PCM1796_OS_32 : PCM1796_OS_64;
+	for (i = 0; i < data->dacs; ++i)
+		pcm1796_write(chip, i, 20, data->oversampling);
+}
+
+static void set_hdav_params(struct oxygen *chip,
+			    struct snd_pcm_hw_params *params)
+{
+	struct xonar_hdav *data = chip->model_data;
+
+	set_pcm1796_params(chip, params);
+	xonar_set_hdmi_params(chip, &data->hdmi, params);
+}
+
+static const struct snd_kcontrol_new alt_switch = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "Analog Loopback Switch",
+	.info = snd_ctl_boolean_mono_info,
+	.get = xonar_gpio_bit_switch_get,
+	.put = xonar_gpio_bit_switch_put,
+	.private_value = GPIO_D2_ALT,
+};
+
+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)
+{
+	if (reg == AC97_LINE) {
+		spin_lock_irq(&chip->reg_lock);
+		oxygen_write16_masked(chip, OXYGEN_GPIO_DATA,
+				      mute ? GPIO_INPUT_ROUTE : 0,
+				      GPIO_INPUT_ROUTE);
+		spin_unlock_irq(&chip->reg_lock);
+	}
+}
+
+static const DECLARE_TLV_DB_SCALE(pcm1796_db_scale, -6000, 50, 0);
+
+static int xonar_d2_control_filter(struct snd_kcontrol_new *template)
+{
+	if (!strncmp(template->name, "CD Capture ", 11))
+		/* CD in is actually connected to the video in pin */
+		template->private_value ^= AC97_CD ^ AC97_VIDEO;
+	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));
+}
+
+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",
+	.init = xonar_d2_init,
+	.control_filter = xonar_d2_control_filter,
+	.mixer_init = xonar_d2_mixer_init,
+	.cleanup = xonar_d2_cleanup,
+	.suspend = xonar_d2_suspend,
+	.resume = xonar_d2_resume,
+	.set_dac_params = set_pcm1796_params,
+	.set_adc_params = xonar_set_cs53x1_params,
+	.update_dac_volume = update_pcm1796_volume,
+	.update_dac_mute = update_pcm1796_mute,
+	.dac_tlv = pcm1796_db_scale,
+	.model_data_size = sizeof(struct xonar_pcm179x),
+	.device_config = PLAYBACK_0_TO_I2S |
+			 PLAYBACK_1_TO_SPDIF |
+			 CAPTURE_0_FROM_I2S_2 |
+			 CAPTURE_1_FROM_SPDIF |
+			 MIDI_OUTPUT |
+			 MIDI_INPUT,
+	.dac_channels = 8,
+	.dac_volume_min = 255 - 2*60,
+	.dac_volume_max = 255,
+	.misc_flags = OXYGEN_MISC_MIDI,
+	.function_flags = OXYGEN_FUNCTION_SPI |
+			  OXYGEN_FUNCTION_ENABLE_SPI_4_5,
+	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};
+
+static const struct oxygen_model model_xonar_hdav = {
+	.longname = "Asus Virtuoso 200",
+	.chip = "AV200",
+	.init = xonar_hdav_init,
+	.cleanup = xonar_hdav_cleanup,
+	.suspend = xonar_hdav_suspend,
+	.resume = xonar_hdav_resume,
+	.pcm_hardware_filter = xonar_hdmi_pcm_hardware_filter,
+	.set_dac_params = set_hdav_params,
+	.set_adc_params = xonar_set_cs53x1_params,
+	.update_dac_volume = update_pcm1796_volume,
+	.update_dac_mute = update_pcm1796_mute,
+	.uart_input = xonar_hdmi_uart_input,
+	.ac97_switch = xonar_line_mic_ac97_switch,
+	.dac_tlv = pcm1796_db_scale,
+	.model_data_size = sizeof(struct xonar_hdav),
+	.device_config = PLAYBACK_0_TO_I2S |
+			 PLAYBACK_1_TO_SPDIF |
+			 CAPTURE_0_FROM_I2S_2 |
+			 CAPTURE_1_FROM_SPDIF,
+	.dac_channels = 8,
+	.dac_volume_min = 255 - 2*60,
+	.dac_volume_max = 255,
+	.misc_flags = OXYGEN_MISC_MIDI,
+	.function_flags = OXYGEN_FUNCTION_2WIRE,
+	.dac_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+	.adc_i2s_format = OXYGEN_I2S_FORMAT_LJUST,
+};
+
+static const struct oxygen_model model_xonar_st = {
+	.longname = "Asus Virtuoso 100",
+	.chip = "AV200",
+	.init = xonar_st_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 = xonar_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_pcm179x),
+	.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,
+};
+
+int __devinit get_xonar_pcm179x_model(struct oxygen *chip,
+				      const struct pci_device_id *id)
+{
+	switch (id->subdevice) {
+	case 0x8269:
+		chip->model = model_xonar_d2;
+		chip->model.shortname = "Xonar D2";
+		break;
+	case 0x82b7:
+		chip->model = model_xonar_d2;
+		chip->model.shortname = "Xonar D2X";
+		chip->model.init = xonar_d2x_init;
+		break;
+	case 0x8314:
+		chip->model = model_xonar_hdav;
+		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
+		switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DB_MASK) {
+		default:
+			chip->model.shortname = "Xonar HDAV1.3";
+			break;
+		case GPIO_DB_H6:
+			chip->model.shortname = "Xonar HDAV1.3+H6";
+			chip->model.private_data = 1;
+			break;
+		}
+		break;
+	case 0x835d:
+		chip->model = model_xonar_st;
+		oxygen_clear_bits16(chip, OXYGEN_GPIO_CONTROL, GPIO_DB_MASK);
+		switch (oxygen_read16(chip, OXYGEN_GPIO_DATA) & GPIO_DB_MASK) {
+		default:
+			chip->model.shortname = "Xonar ST";
+			break;
+		case GPIO_DB_H6:
+			chip->model.shortname = "Xonar ST+H6";
+			chip->model.dac_channels = 8;
+			chip->model.private_data = 1;
+			break;
+		}
+		break;
+	case 0x835c:
+		chip->model = model_xonar_st;
+		chip->model.shortname = "Xonar STX";
+		chip->model.init = xonar_stx_init;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}