ALSA: hda/cirrus: Move CS8409 HDA bridge to separate module

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210811185654.6837-2-vitalyr@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/Kconfig

@@ -157,6 +157,16 @@ config SND_HDA_CODEC_CIRRUS
 comment "Set to Y if you want auto-loading the codec driver"
 	depends on SND_HDA=y && SND_HDA_CODEC_CIRRUS=m
 
+config SND_HDA_CODEC_CS8409
+	tristate "Build Cirrus Logic HDA bridge support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Cirrus Logic HDA bridge support in
+	  snd-hda-intel driver, such as CS8409.
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CS8409=m
+
 config SND_HDA_CODEC_CONEXANT
 	tristate "Build Conexant HD-audio codec support"
 	select SND_HDA_GENERIC

sound/pci/hda/Makefile

@@ -20,6 +20,7 @@ snd-hda-codec-analog-objs :=	patch_analog.o
 snd-hda-codec-idt-objs :=	patch_sigmatel.o
 snd-hda-codec-si3054-objs :=	patch_si3054.o
 snd-hda-codec-cirrus-objs :=	patch_cirrus.o
+snd-hda-codec-cs8409-objs :=	patch_cs8409.o
 snd-hda-codec-ca0110-objs :=	patch_ca0110.o
 snd-hda-codec-ca0132-objs :=	patch_ca0132.o
 snd-hda-codec-conexant-objs :=	patch_conexant.o
@@ -37,6 +38,7 @@ obj-$(CONFIG_SND_HDA_CODEC_ANALOG) += snd-hda-codec-analog.o
 obj-$(CONFIG_SND_HDA_CODEC_SIGMATEL) += snd-hda-codec-idt.o
 obj-$(CONFIG_SND_HDA_CODEC_SI3054) += snd-hda-codec-si3054.o
 obj-$(CONFIG_SND_HDA_CODEC_CIRRUS) += snd-hda-codec-cirrus.o
+obj-$(CONFIG_SND_HDA_CODEC_CS8409) += snd-hda-codec-cs8409.o
 obj-$(CONFIG_SND_HDA_CODEC_CA0110) += snd-hda-codec-ca0110.o
 obj-$(CONFIG_SND_HDA_CODEC_CA0132) += snd-hda-codec-ca0132.o
 obj-$(CONFIG_SND_HDA_CODEC_CONEXANT) += snd-hda-codec-conexant.o

sound/pci/hda/patch_cs8409.h

@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * HD audio interface patch for Cirrus Logic CS8409 HDA bridge chip
+ *
+ * Copyright (C) 2021 Cirrus Logic, Inc. and
+ *                    Cirrus Logic International Semiconductor Ltd.
+ */
+
+#ifndef __CS8409_PATCH_H
+#define __CS8409_PATCH_H
+
+/* Cirrus Logic CS8409 HDA bridge with
+ * companion codec CS42L42
+ */
+#define CS42L42_HP_CH				(2U)
+#define CS42L42_HS_MIC_CH			(1U)
+
+#define CS8409_VENDOR_NID			0x47
+
+#define CS8409_CS42L42_HP_PIN_NID		0x24
+#define CS8409_CS42L42_SPK_PIN_NID		0x2c
+#define CS8409_CS42L42_AMIC_PIN_NID		0x34
+#define CS8409_CS42L42_DMIC_PIN_NID		0x44
+#define CS8409_CS42L42_DMIC_ADC_PIN_NID		0x22
+
+#define CS42L42_HSDET_AUTO_DONE			0x02
+#define CS42L42_HSTYPE_MASK			0x03
+
+#define CS42L42_JACK_INSERTED			0x0C
+#define CS42L42_JACK_REMOVED			0x00
+
+#define GPIO3_INT				(1 << 3)
+#define GPIO4_INT				(1 << 4)
+#define GPIO5_INT				(1 << 5)
+
+#define CS42L42_I2C_ADDR			(0x48 << 1)
+
+#define CIR_I2C_ADDR				0x0059
+#define CIR_I2C_DATA				0x005A
+#define CIR_I2C_CTRL				0x005B
+#define CIR_I2C_STATUS				0x005C
+#define CIR_I2C_QWRITE				0x005D
+#define CIR_I2C_QREAD				0x005E
+
+#define CS8409_CS42L42_HP_VOL_REAL_MIN		(-63)
+#define CS8409_CS42L42_HP_VOL_REAL_MAX		(0)
+#define CS8409_CS42L42_AMIC_VOL_REAL_MIN	(-97)
+#define CS8409_CS42L42_AMIC_VOL_REAL_MAX	(12)
+#define CS8409_CS42L42_REG_HS_VOLUME_CHA	(0x2301)
+#define CS8409_CS42L42_REG_HS_VOLUME_CHB	(0x2303)
+#define CS8409_CS42L42_REG_AMIC_VOLUME		(0x1D03)
+
+enum {
+	CS8409_BULLSEYE,
+	CS8409_WARLOCK,
+	CS8409_CYBORG,
+	CS8409_FIXUPS,
+};
+
+struct cs8409_i2c_param {
+	unsigned int addr;
+	unsigned int reg;
+};
+
+struct cs8409_cir_param {
+	unsigned int nid;
+	unsigned int cir;
+	unsigned int coeff;
+};
+
+struct cs8409_spec {
+	struct hda_gen_spec gen;
+
+	unsigned int gpio_mask;
+	unsigned int gpio_dir;
+	unsigned int gpio_data;
+
+	unsigned int cs42l42_hp_jack_in:1;
+	unsigned int cs42l42_mic_jack_in:1;
+	unsigned int cs42l42_volume_init:1;
+	char cs42l42_hp_volume[CS42L42_HP_CH];
+	char cs42l42_hs_mic_volume[CS42L42_HS_MIC_CH];
+
+	struct mutex cs8409_i2c_mux;
+
+	/* verb exec op override */
+	int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, unsigned int flags,
+			 unsigned int *res);
+};
+
+#endif