ALSA: oxygen: add Xonar DG support
Add experimental support for the Asus Xonar DG sound card.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/oxygen/cs4245.h b/sound/pci/oxygen/cs4245.h
new file mode 100644
index 0000000..5e0197e
--- /dev/null
+++ b/sound/pci/oxygen/cs4245.h
@@ -0,0 +1,107 @@
+#define CS4245_CHIP_ID 0x01
+#define CS4245_POWER_CTRL 0x02
+#define CS4245_DAC_CTRL_1 0x03
+#define CS4245_ADC_CTRL 0x04
+#define CS4245_MCLK_FREQ 0x05
+#define CS4245_SIGNAL_SEL 0x06
+#define CS4245_PGA_B_CTRL 0x07
+#define CS4245_PGA_A_CTRL 0x08
+#define CS4245_ANALOG_IN 0x09
+#define CS4245_DAC_A_CTRL 0x0a
+#define CS4245_DAC_B_CTRL 0x0b
+#define CS4245_DAC_CTRL_2 0x0c
+#define CS4245_INT_STATUS 0x0d
+#define CS4245_INT_MASK 0x0e
+#define CS4245_INT_MODE_MSB 0x0f
+#define CS4245_INT_MODE_LSB 0x10
+
+/* Chip ID */
+#define CS4245_CHIP_PART_MASK 0xf0
+#define CS4245_CHIP_REV_MASK 0x0f
+
+/* Power Control */
+#define CS4245_FREEZE 0x80
+#define CS4245_PDN_MIC 0x08
+#define CS4245_PDN_ADC 0x04
+#define CS4245_PDN_DAC 0x02
+#define CS4245_PDN 0x01
+
+/* DAC Control */
+#define CS4245_DAC_FM_MASK 0xc0
+#define CS4245_DAC_FM_SINGLE 0x00
+#define CS4245_DAC_FM_DOUBLE 0x40
+#define CS4245_DAC_FM_QUAD 0x80
+#define CS4245_DAC_DIF_MASK 0x30
+#define CS4245_DAC_DIF_LJUST 0x00
+#define CS4245_DAC_DIF_I2S 0x10
+#define CS4245_DAC_DIF_RJUST_16 0x20
+#define CS4245_DAC_DIF_RJUST_24 0x30
+#define CS4245_RESERVED_1 0x08
+#define CS4245_MUTE_DAC 0x04
+#define CS4245_DEEMPH 0x02
+#define CS4245_DAC_MASTER 0x01
+
+/* ADC Control */
+#define CS4245_ADC_FM_MASK 0xc0
+#define CS4245_ADC_FM_SINGLE 0x00
+#define CS4245_ADC_FM_DOUBLE 0x40
+#define CS4245_ADC_FM_QUAD 0x80
+#define CS4245_ADC_DIF_MASK 0x10
+#define CS4245_ADC_DIF_LJUST 0x00
+#define CS4245_ADC_DIF_I2S 0x10
+#define CS4245_MUTE_ADC 0x04
+#define CS4245_HPF_FREEZE 0x02
+#define CS4245_ADC_MASTER 0x01
+
+/* MCLK Frequency */
+#define CS4245_MCLK1_MASK 0x70
+#define CS4245_MCLK1_SHIFT 4
+#define CS4245_MCLK2_MASK 0x07
+#define CS4245_MCLK2_SHIFT 0
+#define CS4245_MCLK_1 0
+#define CS4245_MCLK_1_5 1
+#define CS4245_MCLK_2 2
+#define CS4245_MCLK_3 3
+#define CS4245_MCLK_4 4
+
+/* Signal Selection */
+#define CS4245_A_OUT_SEL_MASK 0x60
+#define CS4245_A_OUT_SEL_HIZ 0x00
+#define CS4245_A_OUT_SEL_DAC 0x20
+#define CS4245_A_OUT_SEL_PGA 0x40
+#define CS4245_LOOP 0x02
+#define CS4245_ASYNCH 0x01
+
+/* Channel B/A PGA Control */
+#define CS4245_PGA_GAIN_MASK 0x3f
+
+/* ADC Input Control */
+#define CS4245_PGA_SOFT 0x10
+#define CS4245_PGA_ZERO 0x08
+#define CS4245_SEL_MASK 0x07
+#define CS4245_SEL_MIC 0x00
+#define CS4245_SEL_INPUT_1 0x01
+#define CS4245_SEL_INPUT_2 0x02
+#define CS4245_SEL_INPUT_3 0x03
+#define CS4245_SEL_INPUT_4 0x04
+#define CS4245_SEL_INPUT_5 0x05
+#define CS4245_SEL_INPUT_6 0x06
+
+/* DAC Channel A/B Volume Control */
+#define CS4245_VOL_MASK 0xff
+
+/* DAC Control 2 */
+#define CS4245_DAC_SOFT 0x80
+#define CS4245_DAC_ZERO 0x40
+#define CS4245_INVERT_DAC 0x20
+#define CS4245_INT_ACTIVE_HIGH 0x01
+
+/* Interrupt Status/Mask/Mode */
+#define CS4245_ADC_CLK_ERR 0x08
+#define CS4245_DAC_CLK_ERR 0x04
+#define CS4245_ADC_OVFL 0x02
+#define CS4245_ADC_UNDRFL 0x01
+
+
+#define CS4245_SPI_ADDRESS (0x9e << 16)
+#define CS4245_SPI_WRITE (0 << 16)