LXR linux/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
   7enum 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
  31enum 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
  44enum wcd_codec_version {
  45        WCD9335  = 0,
  46        WCD934X  = 1,
  47        /* New CLSH after this */
  48        WCD937X  = 2,
  49        WCD938X  = 3,
  50};
  51struct wcd_clsh_ctrl;
  52
  53extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
  54                                struct snd_soc_component *comp,
  55                                int version);
  56extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl);
  57extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl);
  58extern 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);
  62extern void wcd_clsh_set_hph_mode(struct wcd_clsh_ctrl *ctrl,
  63                                  int mode);
  64
  65#endif /* _WCD_CLSH_V2_H_ */
  66