/* SPDX-License-Identifier: GPL-2.0+ */ /* * vsp1_dl.h -- R-Car VSP1 Display List * * Copyright (C) 2015 Renesas Corporation * * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) */ #ifndef __VSP1_DL_H__ #define __VSP1_DL_H__ #include struct vsp1_device; struct vsp1_dl_body; struct vsp1_dl_body_pool; struct vsp1_dl_list; struct vsp1_dl_manager; #define VSP1_DL_FRAME_END_COMPLETED BIT(0) #define VSP1_DL_FRAME_END_INTERNAL BIT(1) /** * struct vsp1_dl_ext_cmd - Extended Display command * @pool: pool to which this command belongs * @free: entry in the pool of free commands list * @opcode: command type opcode * @flags: flags used by the command * @cmds: array of command bodies for this extended cmd * @num_cmds: quantity of commands in @cmds array * @cmd_dma: DMA address of the command body * @data: memory allocation for command-specific data * @data_dma: DMA address for command-specific data */ struct vsp1_dl_ext_cmd { struct vsp1_dl_cmd_pool *pool; struct list_head free; u8 opcode; u32 flags; struct vsp1_pre_ext_dl_body *cmds; unsigned int num_cmds; dma_addr_t cmd_dma; void *data; dma_addr_t data_dma; }; void vsp1_dlm_setup(struct vsp1_device *vsp1); struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1, unsigned int index, unsigned int prealloc); void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm); void vsp1_dlm_reset(struct vsp1_dl_manager *dlm); unsigned int vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm); struct vsp1_dl_body *vsp1_dlm_dl_body_get(struct vsp1_dl_manager *dlm); struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm); void vsp1_dl_list_put(struct vsp1_dl_list *dl); struct vsp1_dl_body *vsp1_dl_list_get_body0(struct vsp1_dl_list *dl); struct vsp1_dl_ext_cmd *vsp1_dl_get_pre_cmd(struct vsp1_dl_list *dl); void vsp1_dl_list_commit(struct vsp1_dl_list *dl, bool internal); struct vsp1_dl_body_pool * vsp1_dl_body_pool_create(struct vsp1_device *vsp1, unsigned int num_bodies, unsigned int num_entries, size_t extra_size); void vsp1_dl_body_pool_destroy(struct vsp1_dl_body_pool *pool); struct vsp1_dl_body *vsp1_dl_body_get(struct vsp1_dl_body_pool *pool); void vsp1_dl_body_put(struct vsp1_dl_body *dlb); void vsp1_dl_body_write(struct vsp1_dl_body *dlb, u32 reg, u32 data); int vsp1_dl_list_add_body(struct vsp1_dl_list *dl, struct vsp1_dl_body *dlb); int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl); #endif /* __VSP1_DL_H__ */