diff options
Diffstat (limited to 'drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h')
-rw-r--r-- | drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h new file mode 100644 index 000000000000..2ef5fbc4f25a --- /dev/null +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.h @@ -0,0 +1,94 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com> + */ + +#ifndef __MTK_MDP3_CORE_H__ +#define __MTK_MDP3_CORE_H__ + +#include <media/v4l2-device.h> +#include <media/v4l2-mem2mem.h> +#include <linux/soc/mediatek/mtk-mmsys.h> +#include <linux/soc/mediatek/mtk-mutex.h> +#include "mtk-mdp3-comp.h" +#include "mtk-mdp3-vpu.h" + +#define MDP_MODULE_NAME "mtk-mdp3" +#define MDP_DEVICE_NAME "MediaTek MDP3" +#define MDP_PHANDLE_NAME "mediatek,mdp3" + +enum mdp_infra_id { + MDP_INFRA_MMSYS, + MDP_INFRA_MUTEX, + MDP_INFRA_SCP, + MDP_INFRA_MAX +}; + +enum mdp_buffer_usage { + MDP_BUFFER_USAGE_HW_READ, + MDP_BUFFER_USAGE_MDP, + MDP_BUFFER_USAGE_MDP2, + MDP_BUFFER_USAGE_ISP, + MDP_BUFFER_USAGE_WPE, +}; + +struct mdp_platform_config { + bool rdma_support_10bit; + bool rdma_rsz1_sram_sharing; + bool rdma_upsample_repeat_only; + bool rsz_disable_dcm_small_sample; + bool wrot_filter_constraint; +}; + +/* indicate which mutex is used by each pipepline */ +enum mdp_pipe_id { + MDP_PIPE_RDMA0, + MDP_PIPE_IMGI, + MDP_PIPE_WPEI, + MDP_PIPE_WPEI2, + MDP_PIPE_MAX +}; + +struct mtk_mdp_driver_data { + const struct of_device_id *mdp_probe_infra; + const struct mdp_platform_config *mdp_cfg; + const u32 *mdp_mutex_table_idx; +}; + +struct mdp_dev { + struct platform_device *pdev; + struct device *mdp_mmsys; + struct mtk_mutex *mdp_mutex[MDP_PIPE_MAX]; + struct mdp_comp *comp[MDP_MAX_COMP_COUNT]; + const struct mtk_mdp_driver_data *mdp_data; + + struct workqueue_struct *job_wq; + struct workqueue_struct *clock_wq; + struct mdp_vpu_dev vpu; + struct mtk_scp *scp; + struct rproc *rproc_handle; + /* synchronization protect for accessing vpu working buffer info */ + struct mutex vpu_lock; + s32 vpu_count; + u32 id_count; + struct ida mdp_ida; + struct cmdq_client *cmdq_clt; + wait_queue_head_t callback_wq; + + struct v4l2_device v4l2_dev; + struct video_device *m2m_vdev; + struct v4l2_m2m_dev *m2m_dev; + /* synchronization protect for m2m device operation */ + struct mutex m2m_lock; + atomic_t suspended; + atomic_t job_count; +}; + +int mdp_vpu_get_locked(struct mdp_dev *mdp); +void mdp_vpu_put_locked(struct mdp_dev *mdp); +int mdp_vpu_register(struct mdp_dev *mdp); +void mdp_vpu_unregister(struct mdp_dev *mdp); +void mdp_video_device_release(struct video_device *vdev); + +#endif /* __MTK_MDP3_CORE_H__ */ |