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/kthread.h> 20 #include <linux/irqreturn.h> 21 #include "../common/sst-ipc.h" 22 23 struct sst_dsp; 24 struct skl_sst; 25 struct sst_generic_ipc; 26 27 enum skl_ipc_pipeline_state { 28 PPL_INVALID_STATE = 0, 29 PPL_UNINITIALIZED = 1, 30 PPL_RESET = 2, 31 PPL_PAUSED = 3, 32 PPL_RUNNING = 4, 33 PPL_ERROR_STOP = 5, 34 PPL_SAVED = 6, 35 PPL_RESTORED = 7 36 }; 37 38 struct skl_ipc_dxstate_info { 39 u32 core_mask; 40 u32 dx_mask; 41 }; 42 43 struct skl_ipc_header { 44 u32 primary; 45 u32 extension; 46 }; 47 48 #define SKL_DSP_CORES_MAX 2 49 50 struct skl_dsp_cores { 51 unsigned int count; 52 enum skl_dsp_states state[SKL_DSP_CORES_MAX]; 53 int usage_count[SKL_DSP_CORES_MAX]; 54 }; 55 56 struct skl_sst { 57 struct device *dev; 58 struct sst_dsp *dsp; 59 60 /* boot */ 61 wait_queue_head_t boot_wait; 62 bool boot_complete; 63 64 /* IPC messaging */ 65 struct sst_generic_ipc ipc; 66 67 /* callback for miscbdge */ 68 void (*enable_miscbdcge)(struct device *dev, bool enable); 69 /* Is CGCTL.MISCBDCGE disabled */ 70 bool miscbdcg_disabled; 71 72 /* Populate module information */ 73 struct list_head uuid_list; 74 75 /* Is firmware loaded */ 76 bool fw_loaded; 77 78 /* first boot ? */ 79 bool is_first_boot; 80 81 /* multi-core */ 82 struct skl_dsp_cores cores; 83 84 /* tplg manifest */ 85 struct skl_dfw_manifest manifest; 86 }; 87 88 struct skl_ipc_init_instance_msg { 89 u32 module_id; 90 u32 instance_id; 91 u16 param_data_size; 92 u8 ppl_instance_id; 93 u8 core_id; 94 u8 domain; 95 }; 96 97 struct skl_ipc_bind_unbind_msg { 98 u32 module_id; 99 u32 instance_id; 100 u32 dst_module_id; 101 u32 dst_instance_id; 102 u8 src_queue; 103 u8 dst_queue; 104 bool bind; 105 }; 106 107 struct skl_ipc_large_config_msg { 108 u32 module_id; 109 u32 instance_id; 110 u32 large_param_id; 111 u32 param_data_size; 112 }; 113 114 #define SKL_IPC_BOOT_MSECS 3000 115 116 #define SKL_IPC_D3_MASK 0 117 #define SKL_IPC_D0_MASK 3 118 119 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context); 120 121 int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc, 122 u16 ppl_mem_size, u8 ppl_type, u8 instance_id); 123 124 int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id); 125 126 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc, 127 u8 instance_id, enum skl_ipc_pipeline_state state); 128 129 int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc, 130 u8 instance_id, int dma_id); 131 132 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id); 133 134 int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc, 135 struct skl_ipc_init_instance_msg *msg, void *param_data); 136 137 int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc, 138 struct skl_ipc_bind_unbind_msg *msg); 139 140 int skl_ipc_load_modules(struct sst_generic_ipc *ipc, 141 u8 module_cnt, void *data); 142 143 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc, 144 u8 module_cnt, void *data); 145 146 int skl_ipc_set_dx(struct sst_generic_ipc *ipc, 147 u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx); 148 149 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc, 150 struct skl_ipc_large_config_msg *msg, u32 *param); 151 152 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc, 153 struct skl_ipc_large_config_msg *msg, u32 *param); 154 155 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc, 156 u8 dma_id, u8 table_id); 157 158 void skl_ipc_int_enable(struct sst_dsp *dsp); 159 void skl_ipc_op_int_enable(struct sst_dsp *ctx); 160 void skl_ipc_op_int_disable(struct sst_dsp *ctx); 161 void skl_ipc_int_disable(struct sst_dsp *dsp); 162 163 bool skl_ipc_int_status(struct sst_dsp *dsp); 164 void skl_ipc_free(struct sst_generic_ipc *ipc); 165 int skl_ipc_init(struct device *dev, struct skl_sst *skl); 166 void skl_clear_module_cnt(struct sst_dsp *ctx); 167 168 #endif /* __SKL_IPC_H */ 169