// SPDX-License-Identifier: GPL-2.0
|
/* Copyright (C) 2022 Rockchip Electronics Co., Ltd */
|
|
#include <linux/of.h>
|
#include <linux/of_platform.h>
|
#include <soc/rockchip/rockchip_dvbm.h>
|
|
#include "dev.h"
|
#include "regs.h"
|
|
static struct dvbm_port *g_dvbm;
|
|
int rkisp_dvbm_get(struct rkisp_device *dev)
|
{
|
struct device_node *np = dev->dev->of_node;
|
struct device_node *np_dvbm = of_parse_phandle(np, "dvbm", 0);
|
int ret = -EINVAL;
|
|
g_dvbm = NULL;
|
if (dev->isp_ver != ISP_V32)
|
goto end;
|
|
if (!np_dvbm || !of_device_is_available(np_dvbm)) {
|
dev_warn(dev->dev, "failed to get dvbm node\n");
|
} else {
|
struct platform_device *p_dvbm = of_find_device_by_node(np_dvbm);
|
|
g_dvbm = rk_dvbm_get_port(p_dvbm, DVBM_ISP_PORT);
|
of_node_put(np_dvbm);
|
}
|
|
end:
|
return ret;
|
}
|
|
int rkisp_dvbm_init(struct rkisp_stream *stream)
|
{
|
struct rkisp_device *dev = stream->ispdev;
|
struct rkisp_dummy_buffer *buf = &stream->dummy_buf;
|
struct dvbm_isp_cfg_t dvbm_cfg;
|
u32 width, height, wrap_line;
|
|
if (!g_dvbm)
|
return -EINVAL;
|
|
width = stream->out_fmt.plane_fmt[0].bytesperline;
|
height = stream->out_fmt.height;
|
wrap_line = dev->cap_dev.wrap_line;
|
dvbm_cfg.dma_addr = buf->dma_addr;
|
dvbm_cfg.ybuf_bot = 0;
|
dvbm_cfg.ybuf_top = width * wrap_line;
|
dvbm_cfg.ybuf_lstd = width;
|
dvbm_cfg.ybuf_fstd = width * height;
|
dvbm_cfg.cbuf_bot = dvbm_cfg.ybuf_top;
|
dvbm_cfg.cbuf_top = dvbm_cfg.cbuf_bot + (width * wrap_line / 2);
|
dvbm_cfg.cbuf_lstd = width;
|
dvbm_cfg.cbuf_fstd = dvbm_cfg.ybuf_fstd / 2;
|
|
rk_dvbm_ctrl(g_dvbm, DVBM_ISP_SET_CFG, &dvbm_cfg);
|
rk_dvbm_link(g_dvbm);
|
return 0;
|
}
|
|
void rkisp_dvbm_deinit(void)
|
{
|
if (g_dvbm)
|
rk_dvbm_unlink(g_dvbm);
|
}
|
|
int rkisp_dvbm_event(struct rkisp_device *dev, u32 event)
|
{
|
enum dvbm_cmd cmd;
|
u32 seq;
|
|
if (!g_dvbm || dev->isp_ver != ISP_V32 ||
|
!dev->cap_dev.wrap_line)
|
return -EINVAL;
|
|
rkisp_dmarx_get_frame(dev, &seq, NULL, NULL, true);
|
|
switch (event) {
|
case CIF_ISP_V_START:
|
cmd = DVBM_ISP_FRM_START;
|
break;
|
case CIF_MI_MP_FRAME:
|
cmd = DVBM_ISP_FRM_END;
|
break;
|
default:
|
return -EINVAL;
|
}
|
|
return rk_dvbm_ctrl(g_dvbm, cmd, &seq);
|
}
|
