2 * Intel SKL IPC Support
4 * Copyright (C) 2014-15, Intel Corporation.
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.
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.
19 #include <linux/kthread.h>
20 #include <linux/irqreturn.h>
21 #include "../common/sst-ipc.h"
25 struct sst_generic_ipc;
27 enum skl_ipc_pipeline_state {
28 PPL_INVALID_STATE = 0,
29 PPL_UNINITIALIZED = 1,
38 struct skl_ipc_dxstate_info {
43 struct skl_ipc_header {
53 wait_queue_head_t boot_wait;
57 struct sst_generic_ipc ipc;
60 struct skl_ipc_init_instance_msg {
68 struct skl_ipc_bind_unbind_msg {
78 struct skl_ipc_large_config_msg {
85 #define SKL_IPC_BOOT_MSECS 3000
87 #define SKL_IPC_D3_MASK 0
88 #define SKL_IPC_D0_MASK 3
90 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
92 int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
93 u16 ppl_mem_size, u8 ppl_type, u8 instance_id);
95 int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
97 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
98 u8 instance_id, enum skl_ipc_pipeline_state state);
100 int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
101 u8 instance_id, int dma_id);
103 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
105 int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
106 struct skl_ipc_init_instance_msg *msg, void *param_data);
108 int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
109 struct skl_ipc_bind_unbind_msg *msg);
111 int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
112 u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
114 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
115 struct skl_ipc_large_config_msg *msg, u32 *param);
117 void skl_ipc_int_enable(struct sst_dsp *dsp);
118 void skl_ipc_op_int_enable(struct sst_dsp *ctx);
119 void skl_ipc_op_int_disable(struct sst_dsp *ctx);
120 void skl_ipc_int_disable(struct sst_dsp *dsp);
122 bool skl_ipc_int_status(struct sst_dsp *dsp);
123 void skl_ipc_free(struct sst_generic_ipc *ipc);
124 int skl_ipc_init(struct device *dev, struct skl_sst *skl);
126 #endif /* __SKL_IPC_H */