1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2019 MediaTek Inc. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _MTK_SCP_H 7*4882a593Smuzhiyun #define _MTK_SCP_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/platform_device.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun typedef void (*scp_ipi_handler_t) (void *data, 12*4882a593Smuzhiyun unsigned int len, 13*4882a593Smuzhiyun void *priv); 14*4882a593Smuzhiyun struct mtk_scp; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /** 17*4882a593Smuzhiyun * enum ipi_id - the id of inter-processor interrupt 18*4882a593Smuzhiyun * 19*4882a593Smuzhiyun * @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel 20*4882a593Smuzhiyun * SCP initialization completed. 21*4882a593Smuzhiyun * IPI_SCP_INIT is sent from SCP when firmware is 22*4882a593Smuzhiyun * loaded. AP doesn't need to send IPI_SCP_INIT 23*4882a593Smuzhiyun * command to SCP. 24*4882a593Smuzhiyun * For other IPI below, AP should send the request 25*4882a593Smuzhiyun * to SCP to trigger the interrupt. 26*4882a593Smuzhiyun * @SCP_IPI_MAX: The maximum IPI number 27*4882a593Smuzhiyun */ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun enum scp_ipi_id { 30*4882a593Smuzhiyun SCP_IPI_INIT = 0, 31*4882a593Smuzhiyun SCP_IPI_VDEC_H264, 32*4882a593Smuzhiyun SCP_IPI_VDEC_VP8, 33*4882a593Smuzhiyun SCP_IPI_VDEC_VP9, 34*4882a593Smuzhiyun SCP_IPI_VENC_H264, 35*4882a593Smuzhiyun SCP_IPI_VENC_VP8, 36*4882a593Smuzhiyun SCP_IPI_MDP_INIT, 37*4882a593Smuzhiyun SCP_IPI_MDP_DEINIT, 38*4882a593Smuzhiyun SCP_IPI_MDP_FRAME, 39*4882a593Smuzhiyun SCP_IPI_DIP, 40*4882a593Smuzhiyun SCP_IPI_ISP_CMD, 41*4882a593Smuzhiyun SCP_IPI_ISP_FRAME, 42*4882a593Smuzhiyun SCP_IPI_FD_CMD, 43*4882a593Smuzhiyun SCP_IPI_CROS_HOST_CMD, 44*4882a593Smuzhiyun SCP_IPI_NS_SERVICE = 0xFF, 45*4882a593Smuzhiyun SCP_IPI_MAX = 0x100, 46*4882a593Smuzhiyun }; 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun struct mtk_scp *scp_get(struct platform_device *pdev); 49*4882a593Smuzhiyun void scp_put(struct mtk_scp *scp); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun struct device *scp_get_device(struct mtk_scp *scp); 52*4882a593Smuzhiyun struct rproc *scp_get_rproc(struct mtk_scp *scp); 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler, 55*4882a593Smuzhiyun void *priv); 56*4882a593Smuzhiyun void scp_ipi_unregister(struct mtk_scp *scp, u32 id); 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, 59*4882a593Smuzhiyun unsigned int wait); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp); 62*4882a593Smuzhiyun unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp); 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr); 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun #endif /* _MTK_SCP_H */ 67