projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 63c13d61 EL |
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_MAX, | |
| 45 | }; | |
| 46 | ||
| 47 | struct mtk_scp *scp_get(struct platform_device *pdev); | |
| 48 | void scp_put(struct mtk_scp *scp); | |
| 49 | ||
| 50 | struct device *scp_get_device(struct mtk_scp *scp); | |
| 51 | struct rproc *scp_get_rproc(struct mtk_scp *scp); | |
| 52 | ||
| 53 | int scp_ipi_register(struct mtk_scp *scp, u32 id, scp_ipi_handler_t handler, | |
| 54 | void *priv); | |
| 55 | void scp_ipi_unregister(struct mtk_scp *scp, u32 id); | |
| 56 | ||
| 57 | int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, | |
| 58 | unsigned int wait); | |
| 59 | ||
| 60 | unsigned int scp_get_vdec_hw_capa(struct mtk_scp *scp); | |
| 61 | unsigned int scp_get_venc_hw_capa(struct mtk_scp *scp); | |
| 62 | ||
| 63 | void *scp_mapping_dm_addr(struct mtk_scp *scp, u32 mem_addr); | |
| 64 | ||
| 65 | #endif /* _MTK_SCP_H */ |