mediatek/vpu/mtk_vpu.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Author: Andrew-CT Chen <andrew-ct.chen@mediatek.com>
15  * VPU (video processor unit) is a tiny processor controlling video hardware
16  * related to video codec, scaling and color format converting.
25  * enum ipi_id - the id of inter-processor interrupt
29  *			 IPI_VPU_INIT is sent from VPU when firmware is
39  *			 handle VP8 video decoder job, and vice versa.
43  *			 handle VP9 video decoder job, and vice versa.
47  *			 handle H264 video encoder job, and vice versa.
49  *			 handle VP8 video encoder job,, and vice versa.
67  * enum rst_id - reset id to register reset function for VPU watchdog timeout
82  * vpu_ipi_register - register an ipi function
98  * vpu_ipi_send - send data from AP to vpu.
105  * This function is thread-safe. When this function returns,
117  * vpu_get_plat_device - get VPU's platform device
128  * vpu_wdt_reg_handler - register a VPU watchdog handler
146  * vpu_get_vdec_hw_capa - get video decoder hardware capability
150  * Return: video decoder hardware capability
155  * vpu_get_venc_hw_capa - get video encoder hardware capability
159  * Return: video encoder hardware capability
164  * vpu_load_firmware - download VPU firmware and boot it
168  * Return: Return 0 if downloading firmware successfully,
174  * vpu_mapping_dm_addr - Mapping DTCM/DMEM to kernel virtual address
179  * Mapping the VPU's DTCM (Data Tightly-Coupled Memory) /
183  * Return: Return ERR_PTR(-EINVAL) if mapping failed,