sound/soc/codecs/wcd-clsh-v2.h

   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_ */