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- /*
- * Intel SKL IPC Support
- *
- * Copyright (C) 2014-15, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as version 2, as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- */
- #ifndef __SKL_IPC_H
- #define __SKL_IPC_H
- #include <linux/irqreturn.h>
- #include "../common/sst-ipc.h"
- struct sst_dsp;
- struct skl_sst;
- struct sst_generic_ipc;
- enum skl_ipc_pipeline_state {
- PPL_INVALID_STATE = 0,
- PPL_UNINITIALIZED = 1,
- PPL_RESET = 2,
- PPL_PAUSED = 3,
- PPL_RUNNING = 4,
- PPL_ERROR_STOP = 5,
- PPL_SAVED = 6,
- PPL_RESTORED = 7
- };
- struct skl_ipc_dxstate_info {
- u32 core_mask;
- u32 dx_mask;
- };
- struct skl_ipc_header {
- u32 primary;
- u32 extension;
- };
- struct skl_dsp_cores {
- unsigned int count;
- enum skl_dsp_states *state;
- int *usage_count;
- };
- /**
- * skl_d0i3_data: skl D0i3 counters data struct
- *
- * @streaming: Count of usecases that can attempt streaming D0i3
- * @non_streaming: Count of usecases that can attempt non-streaming D0i3
- * @non_d0i3: Count of usecases that cannot attempt D0i3
- * @state: current state
- * @work: D0i3 worker thread
- */
- struct skl_d0i3_data {
- int streaming;
- int non_streaming;
- int non_d0i3;
- enum skl_dsp_d0i3_states state;
- struct delayed_work work;
- };
- #define SKL_LIB_NAME_LENGTH 128
- #define SKL_MAX_LIB 16
- struct skl_lib_info {
- char name[SKL_LIB_NAME_LENGTH];
- const struct firmware *fw;
- };
- struct skl_sst {
- struct device *dev;
- struct sst_dsp *dsp;
- /* boot */
- wait_queue_head_t boot_wait;
- bool boot_complete;
- /* module load */
- wait_queue_head_t mod_load_wait;
- bool mod_load_complete;
- bool mod_load_status;
- /* IPC messaging */
- struct sst_generic_ipc ipc;
- /* callback for miscbdge */
- void (*enable_miscbdcge)(struct device *dev, bool enable);
- /* Is CGCTL.MISCBDCGE disabled */
- bool miscbdcg_disabled;
- /* Populate module information */
- struct list_head uuid_list;
- /* Is firmware loaded */
- bool fw_loaded;
- /* first boot ? */
- bool is_first_boot;
- /* multi-core */
- struct skl_dsp_cores cores;
- /* library info */
- struct skl_lib_info lib_info[SKL_MAX_LIB];
- int lib_count;
- /* Callback to update D0i3C register */
- void (*update_d0i3c)(struct device *dev, bool enable);
- struct skl_d0i3_data d0i3;
- const struct skl_dsp_ops *dsp_ops;
- /* Callback to update dynamic clock and power gating registers */
- void (*clock_power_gating)(struct device *dev, bool enable);
- };
- struct skl_ipc_init_instance_msg {
- u32 module_id;
- u32 instance_id;
- u16 param_data_size;
- u8 ppl_instance_id;
- u8 core_id;
- u8 domain;
- };
- struct skl_ipc_bind_unbind_msg {
- u32 module_id;
- u32 instance_id;
- u32 dst_module_id;
- u32 dst_instance_id;
- u8 src_queue;
- u8 dst_queue;
- bool bind;
- };
- struct skl_ipc_large_config_msg {
- u32 module_id;
- u32 instance_id;
- u32 large_param_id;
- u32 param_data_size;
- };
- struct skl_ipc_d0ix_msg {
- u32 module_id;
- u32 instance_id;
- u8 streaming;
- u8 wake;
- };
- #define SKL_IPC_BOOT_MSECS 3000
- #define SKL_IPC_D3_MASK 0
- #define SKL_IPC_D0_MASK 3
- irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
- int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
- u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode);
- int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
- int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
- u8 instance_id, enum skl_ipc_pipeline_state state);
- int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
- u8 instance_id, int dma_id);
- int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
- int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
- struct skl_ipc_init_instance_msg *msg, void *param_data);
- int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
- struct skl_ipc_bind_unbind_msg *msg);
- int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
- u8 module_cnt, void *data);
- int skl_ipc_unload_modules(struct sst_generic_ipc *ipc,
- u8 module_cnt, void *data);
- int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
- u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
- int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
- struct skl_ipc_large_config_msg *msg, u32 *param);
- int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
- struct skl_ipc_large_config_msg *msg, u32 *param);
- int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
- u8 dma_id, u8 table_id, bool wait);
- int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc,
- struct skl_ipc_d0ix_msg *msg);
- int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state);
- void skl_ipc_int_enable(struct sst_dsp *dsp);
- void skl_ipc_op_int_enable(struct sst_dsp *ctx);
- void skl_ipc_op_int_disable(struct sst_dsp *ctx);
- void skl_ipc_int_disable(struct sst_dsp *dsp);
- bool skl_ipc_int_status(struct sst_dsp *dsp);
- void skl_ipc_free(struct sst_generic_ipc *ipc);
- int skl_ipc_init(struct device *dev, struct skl_sst *skl);
- void skl_clear_module_cnt(struct sst_dsp *ctx);
- void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
- struct skl_ipc_header header);
- int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
- struct skl_ipc_header header);
- void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
- size_t tx_size);
- #endif /* __SKL_IPC_H */
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