include/sound/cpe_core.h

   1 /*
   2  * Copyright (c) 2013-2017, Linux Foundation. All rights reserved.
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 and
   6  * only version 2 as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef __CPE_CORE_H__
  15 #define __CPE_CORE_H__
  16
  17 #include <linux/types.h>
  18 #include <linux/wait.h>
  19 #include <linux/dma-mapping.h>
  20 #include <sound/lsm_params.h>
  21
  22 enum {
  23         CMD_INIT_STATE = 0,
  24         CMD_SENT,
  25         CMD_RESP_RCVD,
  26 };
  27
  28 enum wcd_cpe_event {
  29         WCD_CPE_PRE_ENABLE = 1,
  30         WCD_CPE_POST_ENABLE,
  31         WCD_CPE_PRE_DISABLE,
  32         WCD_CPE_POST_DISABLE,
  33 };
  34
  35 struct wcd_cpe_afe_port_cfg {
  36         u8 port_id;
  37         u16 bit_width;
  38         u16 num_channels;
  39         u32 sample_rate;
  40 };
  41
  42 struct lsm_out_fmt_cfg {
  43         u8 format;
  44         u8 pack_mode;
  45         u8 data_path_events;
  46         u8 transfer_mode;
  47 };
  48
  49 struct lsm_hw_params {
  50         u32 sample_rate;
  51         u16 num_chs;
  52         u16 bit_width;
  53 };
  54
  55 struct cpe_lsm_session {
  56         /* sound model related */
  57         void *snd_model_data;
  58         u8 *conf_levels;
  59         void *cmi_reg_handle;
  60
  61         /* Clients private data */
  62         void *priv_d;
  63
  64         void (*event_cb) (void *priv_data,
  65                           u8 detect_status,
  66                           u8 size, u8 *payload);
  67
  68         struct completion cmd_comp;
  69         struct wcd_cpe_afe_port_cfg afe_port_cfg;
  70         struct wcd_cpe_afe_port_cfg afe_out_port_cfg;
  71         struct mutex lsm_lock;
  72
  73         u32 snd_model_size;
  74         u32 lsm_mem_handle;
  75         u16 cmd_err_code;
  76         u8 id;
  77         u8 num_confidence_levels;
  78         u16 afe_out_port_id;
  79         struct task_struct *lsm_lab_thread;
  80         bool started;
  81
  82         u32 lab_enable;
  83         struct lsm_out_fmt_cfg out_fmt_cfg;
  84
  85         bool is_topology_used;
  86 };
  87
  88 struct wcd_cpe_afe_ops {
  89         int (*afe_set_params) (void *core_handle,
  90                                struct wcd_cpe_afe_port_cfg *cfg,
  91                                bool afe_mad_ctl);
  92
  93         int (*afe_port_start) (void *core_handle,
  94                                struct wcd_cpe_afe_port_cfg *cfg);
  95
  96         int (*afe_port_stop) (void *core_handle,
  97                                struct wcd_cpe_afe_port_cfg *cfg);
  98
  99         int (*afe_port_suspend) (void *core_handle,
 100                                struct wcd_cpe_afe_port_cfg *cfg);
 101
 102         int (*afe_port_resume) (void *core_handle,
 103                                struct wcd_cpe_afe_port_cfg *cfg);
 104
 105         int (*afe_port_cmd_cfg)(void *core_handle,
 106                                 struct wcd_cpe_afe_port_cfg *cfg);
 107 };
 108
 109 struct wcd_cpe_lsm_ops {
 110
 111         struct cpe_lsm_session *(*lsm_alloc_session)
 112                         (void *core_handle, void *lsm_priv_d,
 113                          void (*event_cb) (void *priv_data,
 114                                            u8 detect_status,
 115                                            u8 size, u8 *payload));
 116
 117         int (*lsm_dealloc_session)
 118                 (void *core_handle, struct cpe_lsm_session *);
 119
 120         int (*lsm_open_tx) (void *core_handle,
 121                             struct cpe_lsm_session *, u16, u16);
 122
 123         int (*lsm_close_tx) (void *core_handle,
 124                              struct cpe_lsm_session *);
 125
 126         int (*lsm_shmem_alloc) (void *core_handle,
 127                                 struct cpe_lsm_session *, u32 size);
 128
 129         int (*lsm_shmem_dealloc) (void *core_handle,
 130                                   struct cpe_lsm_session *);
 131
 132         int (*lsm_register_snd_model) (void *core_handle,
 133                                        struct cpe_lsm_session *,
 134                                        enum lsm_detection_mode, bool);
 135
 136         int (*lsm_deregister_snd_model) (void *core_handle,
 137                                          struct cpe_lsm_session *);
 138
 139         int (*lsm_get_afe_out_port_id)(void *core_handle,
 140                                struct cpe_lsm_session *session);
 141
 142         int (*lsm_start) (void *core_handle,
 143                           struct cpe_lsm_session *);
 144
 145         int (*lsm_stop) (void *core_handle,
 146                          struct cpe_lsm_session *);
 147
 148         int (*lsm_lab_control)(void *core_handle,
 149                                struct cpe_lsm_session *session,
 150                                bool enable);
 151
 152         int (*lab_ch_setup)(void *core_handle,
 153                                    struct cpe_lsm_session *session,
 154                                    enum wcd_cpe_event event);
 155
 156         int (*lsm_set_data) (void *core_handle,
 157                         struct cpe_lsm_session *session,
 158                         enum lsm_detection_mode detect_mode,
 159                         bool detect_failure);
 160         int (*lsm_set_fmt_cfg)(void *core_handle,
 161                         struct cpe_lsm_session *session);
 162         int (*lsm_set_one_param)(void *core_handle,
 163                         struct cpe_lsm_session *session,
 164                         struct lsm_params_info *p_info,
 165                         void *data, uint32_t param_type);
 166         void (*lsm_get_snd_model_offset)
 167                 (void *core_handle, struct cpe_lsm_session *,
 168                  size_t *offset);
 169         int (*lsm_set_media_fmt_params)(void *core_handle,
 170                                        struct cpe_lsm_session *session,
 171                                        struct lsm_hw_params *param);
 172         int (*lsm_set_port)(void *core_handle,
 173                             struct cpe_lsm_session *session, void *data);
 174 };
 175
 176 int wcd_cpe_get_lsm_ops(struct wcd_cpe_lsm_ops *);
 177 int wcd_cpe_get_afe_ops(struct wcd_cpe_afe_ops *);
 178 void *wcd_cpe_get_core_handle(struct snd_soc_codec *);
 179 #endif