69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef _MTK_SCP_H
|
|
#define _MTK_SCP_H
|
|
|
|
#include <linux/platform_device.h>
|
|
|
|
typedef void (*scp_ipi_handler_t) (void *data,
|
|
unsigned int len,
|
|
void *priv);
|
|
struct mtk_scp;
|
|
|
|
/**
|
|
* enum ipi_id - the id of inter-processor interrupt
|
|
*
|
|
* @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel
|
|
* SCP initialization completed.
|
|
* IPI_SCP_INIT is sent from SCP when firmware is
|
|
* loaded. AP doesn't need to send IPI_SCP_INIT
|
|
* command to SCP.
|
|
* For other IPI below, AP should send the request
|
|
* to SCP to trigger the interrupt.
|
|
* @SCP_IPI_MAX: The maximum IPI number
|
|
*/
|
|
|
|
enum scp_ipi_id {
|
|
SCP_IPI_INIT = 0,
|
|
SCP_IPI_VDEC_H264,
|
|
SCP_IPI_VDEC_VP8,
|
|
SCP_IPI_VDEC_VP9,
|
|
SCP_IPI_VENC_H264,
|
|
SCP_IPI_VENC_VP8,
|
|
SCP_IPI_MDP_INIT,
|
|
SCP_IPI_MDP_DEINIT,
|
|
SCP_IPI_MDP_FRAME,
|
|
SCP_IPI_DIP,
|
|
SCP_IPI_ISP_CMD,
|
|
SCP_IPI_ISP_FRAME,
|
|
SCP_IPI_FD_CMD,
|
|
SCP_IPI_CROS_HOST_CMD,
|
|
SCP_IPI_VDEC_LAT,
|
|
SCP_IPI_VDEC_CORE,
|
|
SCP_IPI_NS_SERVICE = 0xFF,
|
|
SCP_IPI_MAX = 0x100,
|
|
};
|
|
|
|
struct mtk_scp *scp_get(struct platform_device *pdev);
|
|
void scp_put(struct mtk_scp *scp);
|
|
|
|
struct device *scp_get_device(struct mtk_scp *scp);
|
|
struct rproc *scp_get_rproc(struct mtk_scp *scp);
|
|
|
|
int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler,
|
|
void *priv);
|
|
void scp_ipi_unregister(struct mtk_scp *scp, u32 id);
|
|
|
|
int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len,
|
|
unsigned int wait);
|
|
|
|
unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp);
|
|
unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp);
|
|
|
|
void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr);
|
|
|
|
#endif /* _MTK_SCP_H */
|