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 WCD939X = 4,
51 };
52 struct wcd_clsh_ctrl;
53
54 extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
55 struct snd_soc_component *comp,
56 int version);
57 extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl);
58 extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl);
59 extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl,
60 enum wcd_clsh_event clsh_event,
61 int nstate,
62 enum wcd_clsh_mode mode);
63 extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
64 int mode);
65
66 #endif /* _WCD_CLSH_V2_H_ */
67
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