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79 lines
2.6 KiB
79 lines
2.6 KiB
/* SPDX-License-Identifier: GPL-2.0+ */ |
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/* |
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* vsp1_dl.h -- R-Car VSP1 Display List |
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* |
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* Copyright (C) 2015 Renesas Corporation |
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* |
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* Contact: Laurent Pinchart ([email protected]) |
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*/ |
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#ifndef __VSP1_DL_H__ |
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#define __VSP1_DL_H__ |
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#include <linux/types.h> |
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struct vsp1_device; |
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struct vsp1_dl_body; |
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struct vsp1_dl_body_pool; |
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struct vsp1_dl_list; |
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struct vsp1_dl_manager; |
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/* Keep these flags in sync with VSP1_DU_STATUS_* in include/media/vsp1.h. */ |
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#define VSP1_DL_FRAME_END_COMPLETED BIT(0) |
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#define VSP1_DL_FRAME_END_WRITEBACK BIT(1) |
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#define VSP1_DL_FRAME_END_INTERNAL BIT(2) |
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/** |
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* struct vsp1_dl_ext_cmd - Extended Display command |
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* @pool: pool to which this command belongs |
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* @free: entry in the pool of free commands list |
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* @opcode: command type opcode |
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* @flags: flags used by the command |
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* @cmds: array of command bodies for this extended cmd |
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* @num_cmds: quantity of commands in @cmds array |
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* @cmd_dma: DMA address of the command body |
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* @data: memory allocation for command-specific data |
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* @data_dma: DMA address for command-specific data |
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*/ |
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struct vsp1_dl_ext_cmd { |
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struct vsp1_dl_cmd_pool *pool; |
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struct list_head free; |
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u8 opcode; |
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u32 flags; |
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struct vsp1_pre_ext_dl_body *cmds; |
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unsigned int num_cmds; |
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dma_addr_t cmd_dma; |
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void *data; |
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dma_addr_t data_dma; |
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}; |
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void vsp1_dlm_setup(struct vsp1_device *vsp1); |
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struct vsp1_dl_manager *vsp1_dlm_create(struct vsp1_device *vsp1, |
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unsigned int index, |
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unsigned int prealloc); |
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void vsp1_dlm_destroy(struct vsp1_dl_manager *dlm); |
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void vsp1_dlm_reset(struct vsp1_dl_manager *dlm); |
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unsigned int vsp1_dlm_irq_frame_end(struct vsp1_dl_manager *dlm); |
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struct vsp1_dl_body *vsp1_dlm_dl_body_get(struct vsp1_dl_manager *dlm); |
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struct vsp1_dl_list *vsp1_dl_list_get(struct vsp1_dl_manager *dlm); |
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void vsp1_dl_list_put(struct vsp1_dl_list *dl); |
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struct vsp1_dl_body *vsp1_dl_list_get_body0(struct vsp1_dl_list *dl); |
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struct vsp1_dl_ext_cmd *vsp1_dl_get_pre_cmd(struct vsp1_dl_list *dl); |
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void vsp1_dl_list_commit(struct vsp1_dl_list *dl, unsigned int dl_flags); |
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struct vsp1_dl_body_pool * |
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vsp1_dl_body_pool_create(struct vsp1_device *vsp1, unsigned int num_bodies, |
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unsigned int num_entries, size_t extra_size); |
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void vsp1_dl_body_pool_destroy(struct vsp1_dl_body_pool *pool); |
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struct vsp1_dl_body *vsp1_dl_body_get(struct vsp1_dl_body_pool *pool); |
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void vsp1_dl_body_put(struct vsp1_dl_body *dlb); |
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void vsp1_dl_body_write(struct vsp1_dl_body *dlb, u32 reg, u32 data); |
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int vsp1_dl_list_add_body(struct vsp1_dl_list *dl, struct vsp1_dl_body *dlb); |
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int vsp1_dl_list_add_chain(struct vsp1_dl_list *head, struct vsp1_dl_list *dl); |
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#endif /* __VSP1_DL_H__ */
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