soc/codecs/wcd-clsh-v2.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002
0003 #ifndef _WCD_CLSH_V2_H_
0004 #define _WCD_CLSH_V2_H_
0005 #include <sound/soc.h>
0006
0007 enum wcd_clsh_event {
0008     WCD_CLSH_EVENT_PRE_DAC = 1,
0009     WCD_CLSH_EVENT_POST_PA,
0010 };
0011
0012 /*
0013  * Basic states for Class H state machine.
0014  * represented as a bit mask within a u8 data type
0015  * bit 0: EAR mode
0016  * bit 1: HPH Left mode
0017  * bit 2: HPH Right mode
0018  * bit 3: Lineout mode
0019  */
0020 #define WCD_CLSH_STATE_IDLE 0
0021 #define WCD_CLSH_STATE_EAR  BIT(0)
0022 #define WCD_CLSH_STATE_HPHL BIT(1)
0023 #define WCD_CLSH_STATE_HPHR BIT(2)
0024 #define WCD_CLSH_STATE_LO   BIT(3)
0025 #define WCD_CLSH_STATE_AUX  BIT(4)
0026 #define WCD_CLSH_STATE_MAX  4
0027 #define WCD_CLSH_V3_STATE_MAX   5
0028 #define NUM_CLSH_STATES_V2  BIT(WCD_CLSH_STATE_MAX)
0029 #define NUM_CLSH_STATES_V3  BIT(WCD_CLSH_V3_STATE_MAX)
0030
0031 enum wcd_clsh_mode {
0032     CLS_H_NORMAL = 0, /* Class-H Default */
0033     CLS_H_HIFI, /* Class-H HiFi */
0034     CLS_H_LP, /* Class-H Low Power */
0035     CLS_AB, /* Class-AB */
0036     CLS_H_LOHIFI, /* LoHIFI */
0037     CLS_H_ULP, /* Ultra Low power */
0038     CLS_AB_HIFI, /* Class-AB */
0039     CLS_AB_LP, /* Class-AB Low Power */
0040     CLS_AB_LOHIFI, /* Class-AB Low HIFI */
0041     CLS_NONE, /* None of the above modes */
0042 };
0043
0044 enum wcd_codec_version {
0045     WCD9335  = 0,
0046     WCD934X  = 1,
0047     /* New CLSH after this */
0048     WCD937X  = 2,
0049     WCD938X  = 3,
0050 };
0051 struct wcd_clsh_ctrl;
0052
0053 extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
0054                 struct snd_soc_component *comp,
0055                 int version);
0056 extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl);
0057 extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl);
0058 extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl,
0059                    enum wcd_clsh_event clsh_event,
0060                    int nstate,
0061                    enum wcd_clsh_mode mode);
0062 extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
0063                   int mode);
0064
0065 #endif /* _WCD_CLSH_V2_H_ */