sound/soc/intel/skylake/skl-sst-ipc.h

   1 /*
   2  * Intel SKL IPC Support
   3  *
   4  * Copyright (C) 2014-15, Intel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as version 2, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  */
  15
  16 #ifndef __SKL_IPC_H
  17 #define __SKL_IPC_H
  18
  19 #include <linux/irqreturn.h>
  20 #include "../common/sst-ipc.h"
  21
  22 struct sst_dsp;
  23 struct skl_sst;
  24 struct sst_generic_ipc;
  25
  26 enum skl_ipc_pipeline_state {
  27         PPL_INVALID_STATE =     0,
  28         PPL_UNINITIALIZED =     1,
  29         PPL_RESET =             2,
  30         PPL_PAUSED =            3,
  31         PPL_RUNNING =           4,
  32         PPL_ERROR_STOP =        5,
  33         PPL_SAVED =             6,
  34         PPL_RESTORED =          7
  35 };
  36
  37 struct skl_ipc_dxstate_info {
  38         u32 core_mask;
  39         u32 dx_mask;
  40 };
  41
  42 struct skl_ipc_header {
  43         u32 primary;
  44         u32 extension;
  45 };
  46
  47 #define SKL_DSP_CORES_MAX  2
  48
  49 struct skl_dsp_cores {
  50         unsigned int count;
  51         enum skl_dsp_states state[SKL_DSP_CORES_MAX];
  52         int usage_count[SKL_DSP_CORES_MAX];
  53 };
  54
  55 /**
  56  * skl_d0i3_data: skl D0i3 counters data struct
  57  *
  58  * @streaming: Count of usecases that can attempt streaming D0i3
  59  * @non_streaming: Count of usecases that can attempt non-streaming D0i3
  60  * @non_d0i3: Count of usecases that cannot attempt D0i3
  61  * @state: current state
  62  * @work: D0i3 worker thread
  63  */
  64 struct skl_d0i3_data {
  65         int streaming;
  66         int non_streaming;
  67         int non_d0i3;
  68         enum skl_dsp_d0i3_states state;
  69         struct delayed_work work;
  70 };
  71
  72 struct skl_sst {
  73         struct device *dev;
  74         struct sst_dsp *dsp;
  75
  76         /* boot */
  77         wait_queue_head_t boot_wait;
  78         bool boot_complete;
  79
  80         /* IPC messaging */
  81         struct sst_generic_ipc ipc;
  82
  83         /* callback for miscbdge */
  84         void (*enable_miscbdcge)(struct device *dev, bool enable);
  85         /* Is CGCTL.MISCBDCGE disabled */
  86         bool miscbdcg_disabled;
  87
  88         /* Populate module information */
  89         struct list_head uuid_list;
  90
  91         /* Is firmware loaded */
  92         bool fw_loaded;
  93
  94         /* first boot ? */
  95         bool is_first_boot;
  96
  97         /* multi-core */
  98         struct skl_dsp_cores cores;
  99
 100         /* library info */
 101         struct skl_lib_info  lib_info[SKL_MAX_LIB];
 102         int lib_count;
 103
 104         /* Callback to update D0i3C register */
 105         void (*update_d0i3c)(struct device *dev, bool enable);
 106
 107         struct skl_d0i3_data d0i3;
 108 };
 109
 110 struct skl_ipc_init_instance_msg {
 111         u32 module_id;
 112         u32 instance_id;
 113         u16 param_data_size;
 114         u8 ppl_instance_id;
 115         u8 core_id;
 116         u8 domain;
 117 };
 118
 119 struct skl_ipc_bind_unbind_msg {
 120         u32 module_id;
 121         u32 instance_id;
 122         u32 dst_module_id;
 123         u32 dst_instance_id;
 124         u8 src_queue;
 125         u8 dst_queue;
 126         bool bind;
 127 };
 128
 129 struct skl_ipc_large_config_msg {
 130         u32 module_id;
 131         u32 instance_id;
 132         u32 large_param_id;
 133         u32 param_data_size;
 134 };
 135
 136 struct skl_ipc_d0ix_msg {
 137         u32 module_id;
 138         u32 instance_id;
 139         u8 streaming;
 140         u8 wake;
 141 };
 142
 143 #define SKL_IPC_BOOT_MSECS              3000
 144
 145 #define SKL_IPC_D3_MASK 0
 146 #define SKL_IPC_D0_MASK 3
 147
 148 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
 149
 150 int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
 151                 u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode);
 152
 153 int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
 154
 155 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
 156                 u8 instance_id, enum skl_ipc_pipeline_state state);
 157
 158 int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
 159                 u8 instance_id, int dma_id);
 160
 161 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
 162
 163 int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
 164                 struct skl_ipc_init_instance_msg *msg, void *param_data);
 165
 166 int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
 167                 struct skl_ipc_bind_unbind_msg *msg);
 168
 169 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
 170                                 u8 module_cnt, void *data);
 171
 172 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc,
 173                                 u8 module_cnt, void *data);
 174
 175 int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
 176                 u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
 177
 178 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
 179                 struct skl_ipc_large_config_msg *msg, u32 *param);
 180
 181 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
 182                 struct skl_ipc_large_config_msg *msg, u32 *param);
 183
 184 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
 185                         u8 dma_id, u8 table_id);
 186
 187 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc,
 188                 struct skl_ipc_d0ix_msg *msg);
 189
 190 int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state);
 191
 192 void skl_ipc_int_enable(struct sst_dsp *dsp);
 193 void skl_ipc_op_int_enable(struct sst_dsp *ctx);
 194 void skl_ipc_op_int_disable(struct sst_dsp *ctx);
 195 void skl_ipc_int_disable(struct sst_dsp *dsp);
 196
 197 bool skl_ipc_int_status(struct sst_dsp *dsp);
 198 void skl_ipc_free(struct sst_generic_ipc *ipc);
 199 int skl_ipc_init(struct device *dev, struct skl_sst *skl);
 200 void skl_clear_module_cnt(struct sst_dsp *ctx);
 201
 202 #endif /* __SKL_IPC_H */