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_MAX      4
  26#define NUM_CLSH_STATES_V2      BIT(WCD_CLSH_STATE_MAX)
  27
  28enum wcd_clsh_mode {
  29        CLS_H_NORMAL = 0, /* Class-H Default */
  30        CLS_H_HIFI, /* Class-H HiFi */
  31        CLS_H_LP, /* Class-H Low Power */
  32        CLS_AB, /* Class-AB */
  33        CLS_H_LOHIFI, /* LoHIFI */
  34        CLS_NONE, /* None of the above modes */
  35};
  36
  37struct wcd_clsh_ctrl;
  38
  39extern struct wcd_clsh_ctrl *wcd_clsh_ctrl_alloc(
  40                                struct snd_soc_component *component,
  41                                int version);
  42extern void wcd_clsh_ctrl_free(struct wcd_clsh_ctrl *ctrl);
  43extern int wcd_clsh_ctrl_get_state(struct wcd_clsh_ctrl *ctrl);
  44extern int wcd_clsh_ctrl_set_state(struct wcd_clsh_ctrl *ctrl,
  45                                   enum wcd_clsh_event event,
  46                                   int state,
  47                                   enum wcd_clsh_mode mode);
  48
  49#endif /* _WCD_CLSH_V2_H_ */
  50