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 struct skl_dsp_cores {
49 enum skl_dsp_states *state;
54 * skl_d0i3_data: skl D0i3 counters data struct
56 * @streaming: Count of usecases that can attempt streaming D0i3
57 * @non_streaming: Count of usecases that can attempt non-streaming D0i3
58 * @non_d0i3: Count of usecases that cannot attempt D0i3
59 * @state: current state
60 * @work: D0i3 worker thread
62 struct skl_d0i3_data {
66 enum skl_dsp_d0i3_states state;
67 struct delayed_work work;
70 #define SKL_LIB_NAME_LENGTH 128
71 #define SKL_MAX_LIB 16
74 char name[SKL_LIB_NAME_LENGTH];
75 const struct firmware *fw;
83 wait_queue_head_t boot_wait;
87 wait_queue_head_t mod_load_wait;
88 bool mod_load_complete;
92 struct sst_generic_ipc ipc;
94 /* callback for miscbdge */
95 void (*enable_miscbdcge)(struct device *dev, bool enable);
96 /* Is CGCTL.MISCBDCGE disabled */
97 bool miscbdcg_disabled;
99 /* Populate module information */
100 struct list_head uuid_list;
102 /* Is firmware loaded */
109 struct skl_dsp_cores cores;
112 struct skl_lib_info lib_info[SKL_MAX_LIB];
115 /* Callback to update D0i3C register */
116 void (*update_d0i3c)(struct device *dev, bool enable);
118 struct skl_d0i3_data d0i3;
120 const struct skl_dsp_ops *dsp_ops;
122 /* Callback to update dynamic clock and power gating registers */
123 void (*clock_power_gating)(struct device *dev, bool enable);
126 struct skl_ipc_init_instance_msg {
135 struct skl_ipc_bind_unbind_msg {
145 struct skl_ipc_large_config_msg {
152 struct skl_ipc_d0ix_msg {
159 #define SKL_IPC_BOOT_MSECS 3000
161 #define SKL_IPC_D3_MASK 0
162 #define SKL_IPC_D0_MASK 3
164 irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context);
166 int skl_ipc_create_pipeline(struct sst_generic_ipc *sst_ipc,
167 u16 ppl_mem_size, u8 ppl_type, u8 instance_id, u8 lp_mode);
169 int skl_ipc_delete_pipeline(struct sst_generic_ipc *sst_ipc, u8 instance_id);
171 int skl_ipc_set_pipeline_state(struct sst_generic_ipc *sst_ipc,
172 u8 instance_id, enum skl_ipc_pipeline_state state);
174 int skl_ipc_save_pipeline(struct sst_generic_ipc *ipc,
175 u8 instance_id, int dma_id);
177 int skl_ipc_restore_pipeline(struct sst_generic_ipc *ipc, u8 instance_id);
179 int skl_ipc_init_instance(struct sst_generic_ipc *sst_ipc,
180 struct skl_ipc_init_instance_msg *msg, void *param_data);
182 int skl_ipc_bind_unbind(struct sst_generic_ipc *sst_ipc,
183 struct skl_ipc_bind_unbind_msg *msg);
185 int skl_ipc_load_modules(struct sst_generic_ipc *ipc,
186 u8 module_cnt, void *data);
188 int skl_ipc_unload_modules(struct sst_generic_ipc *ipc,
189 u8 module_cnt, void *data);
191 int skl_ipc_set_dx(struct sst_generic_ipc *ipc,
192 u8 instance_id, u16 module_id, struct skl_ipc_dxstate_info *dx);
194 int skl_ipc_set_large_config(struct sst_generic_ipc *ipc,
195 struct skl_ipc_large_config_msg *msg, u32 *param);
197 int skl_ipc_get_large_config(struct sst_generic_ipc *ipc,
198 struct skl_ipc_large_config_msg *msg, u32 *param);
200 int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc,
201 u8 dma_id, u8 table_id, bool wait);
203 int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc,
204 struct skl_ipc_d0ix_msg *msg);
206 int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state);
208 void skl_ipc_int_enable(struct sst_dsp *dsp);
209 void skl_ipc_op_int_enable(struct sst_dsp *ctx);
210 void skl_ipc_op_int_disable(struct sst_dsp *ctx);
211 void skl_ipc_int_disable(struct sst_dsp *dsp);
213 bool skl_ipc_int_status(struct sst_dsp *dsp);
214 void skl_ipc_free(struct sst_generic_ipc *ipc);
215 int skl_ipc_init(struct device *dev, struct skl_sst *skl);
216 void skl_clear_module_cnt(struct sst_dsp *ctx);
218 void skl_ipc_process_reply(struct sst_generic_ipc *ipc,
219 struct skl_ipc_header header);
220 int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
221 struct skl_ipc_header header);
222 void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
224 #endif /* __SKL_IPC_H */