1 files changed, 65 insertions, 0 deletions
diff --git a/sound/soc/codecs/wcd-clsh-v2.h b/sound/soc/codecs/wcd-clsh-v2.h
new file mode 100644
index 000000000..4e3653058
--- /dev/null
+++ b/sound/soc/codecs/wcd-clsh-v2.h
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _WCD_CLSH_V2_H_
+#define _WCD_CLSH_V2_H_
+#include <sound/soc.h>
+
+enum wcd_clsh_event {
+	WCD_CLSH_EVENT_PRE_DAC = 1,
+	WCD_CLSH_EVENT_POST_PA,
+};
+
+/*
+ * Basic states for Class H state machine.
+ * represented as a bit mask within a u8 data type
+ * bit 0: EAR mode
+ * bit 1: HPH Left mode
+ * bit 2: HPH Right mode
+ * bit 3: Lineout mode
+ */
+#define	WCD_CLSH_STATE_IDLE	0
+#define	WCD_CLSH_STATE_EAR	BIT(0)
+#define	WCD_CLSH_STATE_HPHL	BIT(1)
+#define	WCD_CLSH_STATE_HPHR	BIT(2)
+#define	WCD_CLSH_STATE_LO	BIT(3)
+#define	WCD_CLSH_STATE_AUX	BIT(4)
+#define WCD_CLSH_STATE_MAX	4
+#define WCD_CLSH_V3_STATE_MAX	5
+#define NUM_CLSH_STATES_V2	BIT(WCD_CLSH_STATE_MAX)
+#define NUM_CLSH_STATES_V3	BIT(WCD_CLSH_V3_STATE_MAX)
+
+enum wcd_clsh_mode {
+	CLS_H_NORMAL = 0, /* Class-H Default */
+	CLS_H_HIFI, /* Class-H HiFi */
+	CLS_H_LP, /* Class-H Low Power */
+	CLS_AB, /* Class-AB */
+	CLS_H_LOHIFI, /* LoHIFI */
+	CLS_H_ULP, /* Ultra Low power */
+	CLS_AB_HIFI, /* Class-AB */
+	CLS_AB_LP, /* Class-AB Low Power */
+	CLS_AB_LOHIFI, /* Class-AB Low HIFI */
+	CLS_NONE, /* None of the above modes */
+};
+
+enum wcd_codec_version {
+	WCD9335  = 0,
+	WCD934X  = 1,
+	/* New CLSH after this */
+	WCD937X  = 2,
+	WCD938X  = 3,
+};
+struct wcd_clsh_ctrl;
+
+extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
+				struct snd_soc_component *comp,
+				int version);
+extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl);
+extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl);
+extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl,
+				   enum wcd_clsh_event clsh_event,
+				   int nstate,
+				   enum wcd_clsh_mode mode);
+extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
+				  int mode);
+
+#endif /* _WCD_CLSH_V2_H_ */