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/irqreturn.h>
20 #include "../common/sst-ipc.h"
24 struct sst_generic_ipc;
26 enum skl_ipc_pipeline_state {
27 PPL_INVALID_STATE = 0,
28 PPL_UNINITIALIZED = 1,
37 struct skl_ipc_dxstate_info {
42 struct skl_ipc_header {
47 #define SKL_DSP_CORES_MAX 2
49 struct skl_dsp_cores {
51 enum skl_dsp_states state[SKL_DSP_CORES_MAX];
52 int usage_count[SKL_DSP_CORES_MAX];
56 * skl_d0i3_data: skl D0i3 counters data struct
58 * @streaming: Count of usecases that can attempt streaming D0i3
59 * @non_streaming: Count of usecases that can attempt non-streaming D0i3
60 * @non_d0i3: Count of usecases that cannot attempt D0i3
61 * @state: current state
62 * @work: D0i3 worker thread
64 struct skl_d0i3_data {
68 enum skl_dsp_d0i3_states state;
69 struct delayed_work work;
72 #define SKL_LIB_NAME_LENGTH 128
73 #define SKL_MAX_LIB 16
76 char name[SKL_LIB_NAME_LENGTH];
77 const struct firmware *fw;
85 wait_queue_head_t boot_wait;
89 wait_queue_head_t mod_load_wait;
90 bool mod_load_complete;
94 struct sst_generic_ipc ipc;
96 /* callback for miscbdge */
97 void (*enable_miscbdcge)(struct device *dev, bool enable);
98 /* Is CGCTL.MISCBDCGE disabled */
99 bool miscbdcg_disabled;
101 /* Populate module information */
102 struct list_head uuid_list;
104 /* Is firmware loaded */
111 struct skl_dsp_cores cores;
114 struct skl_lib_info lib_info[SKL_MAX_LIB];
117 /* Callback to update D0i3C register */
118 void (*update_d0i3c)(struct device *dev, bool enable);
120 struct skl_d0i3_data d0i3;
122 const struct skl_dsp_ops *dsp_ops;
125 struct skl_ipc_init_instance_msg {
134 struct skl_ipc_bind_unbind_msg {
144 struct skl_ipc_large_config_msg {
151 struct skl_ipc_d0ix_msg {
158 #define SKL_IPC_BOOT_MSECS 3000
160 #define SKL_IPC_D3_MASK 0
161 #define SKL_IPC_D0_MASK 3
163 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
165 int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
166 u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode);
168 int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
170 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
171 u8 instance_id, enum skl_ipc_pipeline_state state);
173 int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
174 u8 instance_id, int dma_id);
176 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
178 int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
179 struct skl_ipc_init_instance_msg *msg, void *param_data);
181 int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
182 struct skl_ipc_bind_unbind_msg *msg);
184 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
185 u8 module_cnt, void *data);
187 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc,
188 u8 module_cnt, void *data);
190 int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
191 u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
193 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
194 struct skl_ipc_large_config_msg *msg, u32 *param);
196 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
197 struct skl_ipc_large_config_msg *msg, u32 *param);
199 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
200 u8 dma_id, u8 table_id, bool wait);
202 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc,
203 struct skl_ipc_d0ix_msg *msg);
205 int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state);
207 void skl_ipc_int_enable(struct sst_dsp *dsp);
208 void skl_ipc_op_int_enable(struct sst_dsp *ctx);
209 void skl_ipc_op_int_disable(struct sst_dsp *ctx);
210 void skl_ipc_int_disable(struct sst_dsp *dsp);
212 bool skl_ipc_int_status(struct sst_dsp *dsp);
213 void skl_ipc_free(struct sst_generic_ipc *ipc);
214 int skl_ipc_init(struct device *dev, struct skl_sst *skl);
215 void skl_clear_module_cnt(struct sst_dsp *ctx);
217 #endif /* __SKL_IPC_H */