| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Copyright (c) 2019 MediaTek Inc. |
| 4 | */ |
| 5 | |
| 6 | #ifndef _MTK_SCP_H |
| 7 | #define _MTK_SCP_H |
| 8 | |
| 9 | #include <linux/platform_device.h> |
| 10 | |
| 11 | typedef void (*scp_ipi_handler_t) (void *data, |
| 12 | unsigned int len, |
| 13 | void *priv); |
| 14 | struct mtk_scp; |
| 15 | |
| 16 | /** |
| 17 | * enum ipi_id - the id of inter-processor interrupt |
| 18 | * |
| 19 | * @SCP_IPI_INIT: The interrupt from scp is to notfiy kernel |
| 20 | * SCP initialization completed. |
| 21 | * IPI_SCP_INIT is sent from SCP when firmware is |
| 22 | * loaded. AP doesn't need to send IPI_SCP_INIT |
| 23 | * command to SCP. |
| 24 | * For other IPI below, AP should send the request |
| 25 | * to SCP to trigger the interrupt. |
| 26 | * @SCP_IPI_MAX: The maximum IPI number |
| 27 | */ |
| 28 | |
| 29 | enum scp_ipi_id { |
| 30 | SCP_IPI_INIT = 0, |
| 31 | SCP_IPI_VDEC_H264, |
| 32 | SCP_IPI_VDEC_VP8, |
| 33 | SCP_IPI_VDEC_VP9, |
| 34 | SCP_IPI_VENC_H264, |
| 35 | SCP_IPI_VENC_VP8, |
| 36 | SCP_IPI_MDP_INIT, |
| 37 | SCP_IPI_MDP_DEINIT, |
| 38 | SCP_IPI_MDP_FRAME, |
| 39 | SCP_IPI_DIP, |
| 40 | SCP_IPI_ISP_CMD, |
| 41 | SCP_IPI_ISP_FRAME, |
| 42 | SCP_IPI_FD_CMD, |
| 43 | SCP_IPI_CROS_HOST_CMD, |
| 44 | SCP_IPI_NS_SERVICE = 0xFF, |
| 45 | SCP_IPI_MAX = 0x100, |
| 46 | }; |
| 47 | |
| 48 | struct mtk_scp *scp_get(struct platform_device *pdev); |
| 49 | void scp_put(struct mtk_scp *scp); |
| 50 | |
| 51 | struct device *scp_get_device(struct mtk_scp *scp); |
| 52 | struct rproc *scp_get_rproc(struct mtk_scp *scp); |
| 53 | |
| 54 | int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler, |
| 55 | void *priv); |
| 56 | void scp_ipi_unregister(struct mtk_scp *scp, u32 id); |
| 57 | |
| 58 | int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, |
| 59 | unsigned int wait); |
| 60 | |
| 61 | unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp); |
| 62 | unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp); |
| 63 | |
| 64 | void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr); |
| 65 | |
| 66 | #endif /* _MTK_SCP_H */ |