1 /* SPDX-License-Identifier: GPL-2.0+ */
5  * Header file for the DSP IPC implementation
18 	struct imx_dsp_ipc *ipc;  member
26 	void (*handle_reply)(struct imx_dsp_ipc *ipc);
27 	void (*handle_request)(struct imx_dsp_ipc *ipc);
31 	/* Host <-> DSP communication uses 2 txdb and 2 rxdb channels */
38 static inline void imx_dsp_set_data(struct imx_dsp_ipc *ipc, void *data)  in imx_dsp_set_data()  argument
40 	if (!ipc)  in imx_dsp_set_data()
43 	ipc->private_data = data;  in imx_dsp_set_data()
46 static inline void *imx_dsp_get_data(struct imx_dsp_ipc *ipc)  in imx_dsp_get_data()  argument
48 	if (!ipc)  in imx_dsp_get_data()
51 	return ipc->private_data;  in imx_dsp_get_data()
58 struct mbox_chan *imx_dsp_request_channel(struct imx_dsp_ipc *ipc, int idx);
59 void imx_dsp_free_channel(struct imx_dsp_ipc *ipc, int idx);
63 static inline int imx_dsp_ring_doorbell(struct imx_dsp_ipc *ipc,  in imx_dsp_ring_doorbell()  argument
66 	return -ENOTSUPP;  in imx_dsp_ring_doorbell()
69 struct mbox_chan *imx_dsp_request_channel(struct imx_dsp_ipc *ipc, int idx)  in imx_dsp_request_channel()  argument
71 	return ERR_PTR(-EOPNOTSUPP);  in imx_dsp_request_channel()
74 void imx_dsp_free_channel(struct imx_dsp_ipc *ipc, int idx) { }  in imx_dsp_free_channel()  argument