ALSA: hda - Add CS420x-specific coef setup (40c20fa0) · Commits · e / devices / android_kernel_fairphone_FP5

sound/pci/hda/patch_cirrus.c

+110 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,64 @@ struct cs_spec {
		unsigned int mic_detect:1;
		};

		/* Vendor-specific processing widget */
		#define CS420X_VENDOR_NID 0x11
		#define CS_DIG_OUT1_PIN_NID 0x10
		#define CS_DIG_OUT2_PIN_NID 0x15
		#define CS_DMIC1_PIN_NID 0x12
		#define CS_DMIC2_PIN_NID 0x0e

		/* coef indices */
		#define IDX_SPDIF_STAT 0x0000
		#define IDX_SPDIF_CTL 0x0001
		#define IDX_ADC_CFG 0x0002
		/* SZC bitmask, 4 modes below:
		* 0 = immediate,
		* 1 = digital immediate, analog zero-cross
		* 2 = digtail & analog soft-ramp
		* 3 = digital soft-ramp, analog zero-cross
		*/
		#define CS_COEF_ADC_SZC_MASK (3 << 0)
		#define CS_COEF_ADC_MIC_SZC_MODE (3 << 0) /* SZC setup for mic */
		#define CS_COEF_ADC_LI_SZC_MODE (3 << 0) /* SZC setup for line-in */
		/* PGA mode: 0 = differential, 1 = signle-ended */
		#define CS_COEF_ADC_MIC_PGA_MODE (1 << 5) /* PGA setup for mic */
		#define CS_COEF_ADC_LI_PGA_MODE (1 << 6) /* PGA setup for line-in */
		#define IDX_DAC_CFG 0x0003
		/* SZC bitmask, 4 modes below:
		* 0 = Immediate
		* 1 = zero-cross
		* 2 = soft-ramp
		* 3 = soft-ramp on zero-cross
		*/
		#define CS_COEF_DAC_HP_SZC_MODE (3 << 0) /* nid 0x02 */
		#define CS_COEF_DAC_LO_SZC_MODE (3 << 2) /* nid 0x03 */
		#define CS_COEF_DAC_SPK_SZC_MODE (3 << 4) /* nid 0x04 */

		#define IDX_BEEP_CFG 0x0004
		/* 0x0008 - test reg key */
		/* 0x0009 - 0x0014 -> 12 test regs */
		/* 0x0015 - visibility reg */


		static int cs_vendor_coef_get(struct hda_codec *codec, unsigned int idx)
		{
		snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
		AC_VERB_SET_COEF_INDEX, idx);
		return snd_hda_codec_read(codec, CS420X_VENDOR_NID, 0,
		AC_VERB_GET_PROC_COEF, 0);
		}

		static void cs_vendor_coef_set(struct hda_codec *codec, unsigned int idx,
		unsigned int coef)
		{
		snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
		AC_VERB_SET_COEF_INDEX, idx);
		snd_hda_codec_write(codec, CS420X_VENDOR_NID, 0,
		AC_VERB_SET_PROC_COEF, coef);
		}


		#define HP_EVENT 1
		#define MIC_EVENT 2

		@@ -295,6 +353,14 @@ static hda_nid_t get_adc(struct hda_codec *codec, hda_nid_t pin,
		return 0;
		}

		static int is_active_pin(struct hda_codec *codec, hda_nid_t nid)
		{
		struct cs_spec *spec = codec->spec;
		unsigned int val;
		val = snd_hda_codec_get_pincfg(codec, nid);
		return (get_defcfg_connect(val) != AC_JACK_PORT_NONE);
		}

		static int parse_output(struct hda_codec *codec)
		{
		struct cs_spec *spec = codec->spec;
		@@ -833,6 +899,7 @@ static void init_input(struct hda_codec *codec)
		{
		struct cs_spec *spec = codec->spec;
		struct auto_pin_cfg *cfg = &spec->autocfg;
		unsigned int coef;
		int i;

		for (i = 0; i < AUTO_PIN_LAST; i++) {
		@@ -861,14 +928,57 @@ static void init_input(struct hda_codec *codec)
		change_cur_input(codec, spec->cur_input, 1);
		if (spec->mic_detect)
		cs_automic(codec);

		coef = 0x000a; /* ADC1/2 - Digital and Analog Soft Ramp */
		if (is_active_pin(codec, CS_DMIC2_PIN_NID))
		coef \|= 0x0500; /* DMIC2 enable 2 channels, disable GPIO1 */
		if (is_active_pin(codec, CS_DMIC1_PIN_NID))
		coef \|= 0x1800; /* DMIC1 enable 2 channels, disable GPIO0
		* No effect if SPDIF_OUT2 is slected in
		* IDX_SPDIF_CTL.
		*/
		cs_vendor_coef_set(codec, IDX_ADC_CFG, coef);
		}

		static struct hda_verb cs_coef_init_verbs[] = {
		{0x11, AC_VERB_SET_PROC_STATE, 1},
		{0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
		{0x11, AC_VERB_SET_PROC_COEF,
		(0x002a /* DAC1/2/3 SZCMode Soft Ramp */
		\| 0x0040 /* Mute DACs on FIFO error */
		\| 0x1000 /* Enable DACs High Pass Filter */
		\| 0x0400 /* Disable Coefficient Auto increment */
		)},
		/* Beep */
		{0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG},
		{0x11, AC_VERB_SET_PROC_COEF, 0x0007}, /* Enable Beep thru DAC1/2/3 */

		{} /* terminator */
		};

		/* SPDIF setup */
		static void init_digital(struct hda_codec *codec)
		{
		unsigned int coef;

		coef = 0x0002; /* SRC_MUTE soft-mute on SPDIF (if no lock) */
		coef \|= 0x0008; /* Replace with mute on error */
		if (is_active_pin(codec, CS_DIG_OUT2_PIN_NID))
		coef \|= 0x4000; /* RX to TX1 or TX2 Loopthru / SPDIF2
		* SPDIF_OUT2 is shared with GPIO1 and
		* DMIC_SDA2.
		*/
		cs_vendor_coef_set(codec, IDX_SPDIF_CTL, coef);
		}

		static int cs_init(struct hda_codec *codec)
		{
		struct cs_spec *spec = codec->spec;

		snd_hda_sequence_write(codec, cs_coef_init_verbs);
		init_output(codec);
		init_input(codec);
		init_digital(codec);
		return 0;
		}