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
{
48 #define SKL_DSP_CORES_MAX 2
50 struct skl_dsp_cores
{
52 enum skl_dsp_states state
[SKL_DSP_CORES_MAX
];
53 int usage_count
[SKL_DSP_CORES_MAX
];
61 wait_queue_head_t boot_wait
;
65 struct sst_generic_ipc ipc
;
67 /* callback for miscbdge */
68 void (*enable_miscbdcge
)(struct device
*dev
, bool enable
);
69 /*Is CGCTL.MISCBDCGE disabled*/
70 bool miscbdcg_disabled
;
72 /* Populate module information */
73 struct list_head uuid_list
;
75 /* Is firmware loaded */
79 struct skl_dsp_cores cores
;
82 struct skl_ipc_init_instance_msg
{
90 struct skl_ipc_bind_unbind_msg
{
100 struct skl_ipc_large_config_msg
{
107 #define SKL_IPC_BOOT_MSECS 3000
109 #define SKL_IPC_D3_MASK 0
110 #define SKL_IPC_D0_MASK 3
112 irqreturn_t
skl_dsp_irq_thread_handler(int irq
, void *context
);
114 int skl_ipc_create_pipeline(struct sst_generic_ipc
*sst_ipc
,
115 u16 ppl_mem_size
, u8 ppl_type
, u8 instance_id
);
117 int skl_ipc_delete_pipeline(struct sst_generic_ipc
*sst_ipc
, u8 instance_id
);
119 int skl_ipc_set_pipeline_state(struct sst_generic_ipc
*sst_ipc
,
120 u8 instance_id
, enum skl_ipc_pipeline_state state
);
122 int skl_ipc_save_pipeline(struct sst_generic_ipc
*ipc
,
123 u8 instance_id
, int dma_id
);
125 int skl_ipc_restore_pipeline(struct sst_generic_ipc
*ipc
, u8 instance_id
);
127 int skl_ipc_init_instance(struct sst_generic_ipc
*sst_ipc
,
128 struct skl_ipc_init_instance_msg
*msg
, void *param_data
);
130 int skl_ipc_bind_unbind(struct sst_generic_ipc
*sst_ipc
,
131 struct skl_ipc_bind_unbind_msg
*msg
);
133 int skl_ipc_load_modules(struct sst_generic_ipc
*ipc
,
134 u8 module_cnt
, void *data
);
136 int skl_ipc_unload_modules(struct sst_generic_ipc
*ipc
,
137 u8 module_cnt
, void *data
);
139 int skl_ipc_set_dx(struct sst_generic_ipc
*ipc
,
140 u8 instance_id
, u16 module_id
, struct skl_ipc_dxstate_info
*dx
);
142 int skl_ipc_set_large_config(struct sst_generic_ipc
*ipc
,
143 struct skl_ipc_large_config_msg
*msg
, u32
*param
);
145 int skl_ipc_get_large_config(struct sst_generic_ipc
*ipc
,
146 struct skl_ipc_large_config_msg
*msg
, u32
*param
);
148 void skl_ipc_int_enable(struct sst_dsp
*dsp
);
149 void skl_ipc_op_int_enable(struct sst_dsp
*ctx
);
150 void skl_ipc_op_int_disable(struct sst_dsp
*ctx
);
151 void skl_ipc_int_disable(struct sst_dsp
*dsp
);
153 bool skl_ipc_int_status(struct sst_dsp
*dsp
);
154 void skl_ipc_free(struct sst_generic_ipc
*ipc
);
155 int skl_ipc_init(struct device
*dev
, struct skl_sst
*skl
);
156 void skl_clear_module_cnt(struct sst_dsp
*ctx
);
158 #endif /* __SKL_IPC_H */