261 struct sst_dsp {  struct
266 	struct sst_dsp_device *sst_dev;  argument
267 	spinlock_t spinlock;	/* IPC locking */
268 	struct mutex mutex;	/* DSP FW lock */
269 	struct device *dev;
270 	struct device *dma_dev;
271 	void *thread_context;
272 	int irq;
273 	u32 id;
276 	struct sst_ops *ops;
279 	struct dentry *debugfs_root;
282 	struct sst_addr addr;
285 	struct sst_mailbox mailbox;
290 	struct list_head used_block_list;
291 	struct list_head free_block_list;
294 	struct list_head module_list;
295 	struct list_head fw_list;
321 static inline void sst_dsp_write(struct sst_dsp *sst, void *src,  in sst_dsp_write()  argument