1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Intel SKL IPC Support 4 * 5 * Copyright (C) 2014-15, Intel Corporation. 6 */ 7 8 #ifndef __SKL_IPC_H 9 #define __SKL_IPC_H 10 11 #include <linux/irqreturn.h> 12 #include "../common/sst-ipc.h" 13 #include "skl-sst-dsp.h" 14 15 struct sst_dsp; 16 struct sst_generic_ipc; 17 18 enum skl_ipc_pipeline_state { 19 PPL_INVALID_STATE = 0, 20 PPL_UNINITIALIZED = 1, 21 PPL_RESET = 2, 22 PPL_PAUSED = 3, 23 PPL_RUNNING = 4, 24 PPL_ERROR_STOP = 5, 25 PPL_SAVED = 6, 26 PPL_RESTORED = 7 27 }; 28 29 struct skl_ipc_dxstate_info { 30 u32 core_mask; 31 u32 dx_mask; 32 }; 33 34 struct skl_ipc_header { 35 u32 primary; 36 u32 extension; 37 }; 38 39 struct skl_dsp_cores { 40 unsigned int count; 41 enum skl_dsp_states *state; 42 int *usage_count; 43 }; 44 45 /** 46 * skl_d0i3_data: skl D0i3 counters data struct 47 * 48 * @streaming: Count of usecases that can attempt streaming D0i3 49 * @non_streaming: Count of usecases that can attempt non-streaming D0i3 50 * @non_d0i3: Count of usecases that cannot attempt D0i3 51 * @state: current state 52 * @work: D0i3 worker thread 53 */ 54 struct skl_d0i3_data { 55 int streaming; 56 int non_streaming; 57 int non_d0i3; 58 enum skl_dsp_d0i3_states state; 59 struct delayed_work work; 60 }; 61 62 #define SKL_LIB_NAME_LENGTH 128 63 #define SKL_MAX_LIB 16 64 65 struct skl_lib_info { 66 char name[SKL_LIB_NAME_LENGTH]; 67 const struct firmware *fw; 68 }; 69 70 struct skl_ipc_init_instance_msg { 71 u32 module_id; 72 u32 instance_id; 73 u16 param_data_size; 74 u8 ppl_instance_id; 75 u8 core_id; 76 u8 domain; 77 }; 78 79 struct skl_ipc_bind_unbind_msg { 80 u32 module_id; 81 u32 instance_id; 82 u32 dst_module_id; 83 u32 dst_instance_id; 84 u8 src_queue; 85 u8 dst_queue; 86 bool bind; 87 }; 88 89 struct skl_ipc_large_config_msg { 90 u32 module_id; 91 u32 instance_id; 92 u32 large_param_id; 93 u32 param_data_size; 94 }; 95 96 struct skl_ipc_d0ix_msg { 97 u32 module_id; 98 u32 instance_id; 99 u8 streaming; 100 u8 wake; 101 }; 102 103 #define SKL_IPC_BOOT_MSECS 3000 104 105 #define SKL_IPC_D3_MASK 0 106 #define SKL_IPC_D0_MASK 3 107 108 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context); 109 110 int skl_ipc_create_pipeline(struct sst_generic_ipc *ipc, 111 u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode); 112 113 int skl_ipc_delete_pipeline(struct sst_generic_ipc *ipc, u8 instance_id); 114 115 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *ipc, 116 u8 instance_id, enum skl_ipc_pipeline_state state); 117 118 int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, 119 u8 instance_id, int dma_id); 120 121 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id); 122 123 int skl_ipc_init_instance(struct sst_generic_ipc *ipc, 124 struct skl_ipc_init_instance_msg *msg, void *param_data); 125 126 int skl_ipc_bind_unbind(struct sst_generic_ipc *ipc, 127 struct skl_ipc_bind_unbind_msg *msg); 128 129 int skl_ipc_load_modules(struct sst_generic_ipc *ipc, 130 u8 module_cnt, void *data); 131 132 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, 133 u8 module_cnt, void *data); 134 135 int skl_ipc_set_dx(struct sst_generic_ipc *ipc, 136 u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx); 137 138 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc, 139 struct skl_ipc_large_config_msg *msg, u32 *param); 140 141 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc, 142 struct skl_ipc_large_config_msg *msg, 143 u32 **payload, size_t *bytes); 144 145 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc, 146 u8 dma_id, u8 table_id, bool wait); 147 148 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, 149 struct skl_ipc_d0ix_msg *msg); 150 151 int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state); 152 153 void skl_ipc_int_enable(struct sst_dsp *ctx); 154 void skl_ipc_op_int_enable(struct sst_dsp *ctx); 155 void skl_ipc_op_int_disable(struct sst_dsp *ctx); 156 void skl_ipc_int_disable(struct sst_dsp *ctx); 157 158 bool skl_ipc_int_status(struct sst_dsp *ctx); 159 void skl_ipc_free(struct sst_generic_ipc *ipc); 160 int skl_ipc_init(struct device *dev, struct skl_dev *skl); 161 void skl_clear_module_cnt(struct sst_dsp *ctx); 162 163 void skl_ipc_process_reply(struct sst_generic_ipc *ipc, 164 struct skl_ipc_header header); 165 int skl_ipc_process_notification(struct sst_generic_ipc *ipc, 166 struct skl_ipc_header header); 167 void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data, 168 size_t tx_size); 169 #endif /* __SKL_IPC_H */ 170