mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-02 08:34:20 +08:00
a63722aeb7
Extend the vsp1_du_atomic_flush() API with writeback support by adding format, pitch and memory addresses of the writeback framebuffer. Writeback completion is reported through the existing frame completion callback with a new VSP1_DU_STATUS_WRITEBACK status flag. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/* 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 <linux/types.h>
|
|
|
|
struct vsp1_device;
|
|
struct vsp1_dl_body;
|
|
struct vsp1_dl_body_pool;
|
|
struct vsp1_dl_list;
|
|
struct vsp1_dl_manager;
|
|
|
|
/* Keep these flags in sync with VSP1_DU_STATUS_* in include/media/vsp1.h. */
|
|
#define VSP1_DL_FRAME_END_COMPLETED BIT(0)
|
|
#define VSP1_DL_FRAME_END_WRITEBACK BIT(1)
|
|
#define VSP1_DL_FRAME_END_INTERNAL BIT(2)
|
|
|
|
/**
|
|
* 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, unsigned int dl_flags);
|
|
|
|
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__ */
|