xref: /openbmc/linux/sound/soc/codecs/wcd-clsh-v2.h (revision 19c5d1f6)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 
3 #ifndef _WCD_CLSH_V2_H_
4 #define _WCD_CLSH_V2_H_
5 #include <sound/soc.h>
6 
7 enum wcd_clsh_event {
8 	WCD_CLSH_EVENT_PRE_DAC = 1,
9 	WCD_CLSH_EVENT_POST_PA,
10 };
11 
12 /*
13  * Basic states for Class H state machine.
14  * represented as a bit mask within a u8 data type
15  * bit 0: EAR mode
16  * bit 1: HPH Left mode
17  * bit 2: HPH Right mode
18  * bit 3: Lineout mode
19  */
20 #define	WCD_CLSH_STATE_IDLE	0
21 #define	WCD_CLSH_STATE_EAR	BIT(0)
22 #define	WCD_CLSH_STATE_HPHL	BIT(1)
23 #define	WCD_CLSH_STATE_HPHR	BIT(2)
24 #define	WCD_CLSH_STATE_LO	BIT(3)
25 #define	WCD_CLSH_STATE_AUX	BIT(4)
26 #define WCD_CLSH_STATE_MAX	4
27 #define WCD_CLSH_V3_STATE_MAX	5
28 #define NUM_CLSH_STATES_V2	BIT(WCD_CLSH_STATE_MAX)
29 #define NUM_CLSH_STATES_V3	BIT(WCD_CLSH_V3_STATE_MAX)
30 
31 enum wcd_clsh_mode {
32 	CLS_H_NORMAL = 0, /* Class-H Default */
33 	CLS_H_HIFI, /* Class-H HiFi */
34 	CLS_H_LP, /* Class-H Low Power */
35 	CLS_AB, /* Class-AB */
36 	CLS_H_LOHIFI, /* LoHIFI */
37 	CLS_H_ULP, /* Ultra Low power */
38 	CLS_AB_HIFI, /* Class-AB */
39 	CLS_AB_LP, /* Class-AB Low Power */
40 	CLS_AB_LOHIFI, /* Class-AB Low HIFI */
41 	CLS_NONE, /* None of the above modes */
42 };
43 
44 enum wcd_codec_version {
45 	WCD9335  = 0,
46 	WCD934X  = 1,
47 	/* New CLSH after this */
48 	WCD937X  = 2,
49 	WCD938X  = 3,
50 };
51 struct wcd_clsh_ctrl;
52 
53 extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
54 				struct snd_soc_component *comp,
55 				int version);
56 extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl);
57 extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl);
58 extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl,
59 				   enum wcd_clsh_event clsh_event,
60 				   int nstate,
61 				   enum wcd_clsh_mode mode);
62 extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
63 				  int mode);
64 
65 #endif /* _WCD_CLSH_V2_H_ */
66