// SPDX-License-Identifier: GPL-2.0
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/**
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* Rockchip rk1608 driver
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*
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* Copyright (C) 2017-2018 Rockchip Electronics Co., Ltd.
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*
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*/
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#include <linux/clk.h>
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#include <linux/clkdev.h>
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#include <linux/delay.h>
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#include <linux/firmware.h>
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#include <linux/gpio/consumer.h>
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#include <linux/regmap.h>
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#include <linux/interrupt.h>
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#include <linux/module.h>
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#include <linux/of_graph.h>
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#include <linux/mfd/syscon.h>
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#include <media/v4l2-ctrls.h>
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#include <media/v4l2-fwnode.h>
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#include <media/v4l2-subdev.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/of_platform.h>
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#include <linux/types.h>
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#include <linux/rk-preisp.h>
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#include <linux/rk-isp1-config.h>
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#include <linux/rk-camera-module.h>
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#include "rk1608_dphy.h"
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#include <linux/compat.h>
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#define RK1608_DPHY_NAME "RK1608-dphy"
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|
/**
|
* Rk1608 is used as the Pre-ISP to link on Soc, which mainly has two
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* functions. One is to download the firmware of RK1608, and the other
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* is to match the extra sensor such as camera and enable sensor by
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* calling sensor's s_power.
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* |-----------------------|
|
* | Sensor Camera |
|
* |-----------------------|
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* |-----------||----------|
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* |-----------||----------|
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* |-----------\/----------|
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* | Pre-ISP RK1608 |
|
* |-----------------------|
|
* |-----------||----------|
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* |-----------||----------|
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* |-----------\/----------|
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* | Rockchip Soc |
|
* |-----------------------|
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* Data Transfer As shown above. In RK1608, the data received from the
|
* extra sensor,and it is passed to the Soc through ISP.
|
*/
|
|
static DEFINE_MUTEX(rk1608_dphy_mutex);
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static inline struct rk1608_dphy *to_state(struct v4l2_subdev *sd)
|
{
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return container_of(sd, struct rk1608_dphy, sd);
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}
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static int rk1608_s_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
{
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struct v4l2_ctrl *remote_ctrl;
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struct rk1608_dphy *pdata = to_state(sd);
|
|
pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
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remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
|
V4L2_CID_HBLANK);
|
if (remote_ctrl) {
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v4l2_ctrl_g_ctrl(remote_ctrl);
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__v4l2_ctrl_modify_range(pdata->hblank,
|
remote_ctrl->minimum,
|
remote_ctrl->maximum,
|
remote_ctrl->step,
|
remote_ctrl->default_value);
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}
|
|
remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
|
V4L2_CID_VBLANK);
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if (remote_ctrl) {
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v4l2_ctrl_g_ctrl(remote_ctrl);
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__v4l2_ctrl_modify_range(pdata->vblank,
|
remote_ctrl->minimum,
|
remote_ctrl->maximum,
|
remote_ctrl->step,
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remote_ctrl->default_value);
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}
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|
return 0;
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}
|
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static int rk1608_s_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
|
{
|
struct rk1608_dphy *pdata = to_state(sd);
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pdata->rk1608_sd->grp_id = sd->grp_id;
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|
return 0;
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}
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static int rk1608_sensor_power(struct v4l2_subdev *sd, int on)
|
{
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int ret = 0;
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struct rk1608_dphy *pdata = to_state(sd);
|
|
pdata->rk1608_sd->grp_id = sd->grp_id;
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ret = v4l2_subdev_call(pdata->rk1608_sd, core, s_power, on);
|
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return ret;
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}
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#define RK1608_MAX_BITRATE (1500000000)
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static int rk1608_get_link_sensor_timing(struct rk1608_dphy *pdata)
|
{
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int ret = 0;
|
u32 i;
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u32 idx = pdata->fmt_inf_idx;
|
struct rk1608_fmt_inf *fmt_inf = &pdata->fmt_inf[idx];
|
int sub_sensor_num = pdata->sub_sensor_num;
|
u32 width = 0, height = 0, out_width, out_height;
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struct v4l2_subdev *link_sensor;
|
u32 id = pdata->sd.grp_id;
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struct v4l2_subdev_frame_interval fi;
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int max_fps = 30;
|
u64 bps;
|
|
struct v4l2_subdev_format fmt = {
|
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
|
.pad = 0,
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};
|
|
if (!IS_ERR_OR_NULL(pdata->link_sensor_client)) {
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|
link_sensor = i2c_get_clientdata(
|
pdata->link_sensor_client);
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if (IS_ERR_OR_NULL(link_sensor)) {
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dev_err(pdata->dev, "can not get link sensor i2c client\n");
|
return -EINVAL;
|
}
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ret = v4l2_subdev_call(link_sensor, pad, get_fmt, NULL, &fmt);
|
if (ret) {
|
dev_info(pdata->dev, "get link fmt fail\n");
|
return -EINVAL;
|
}
|
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width = fmt.format.width;
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height = fmt.format.height;
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dev_info(pdata->dev, "phy[%d] get fmt w:%d h:%d\n",
|
id, width, height);
|
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memset(&fi, 0, sizeof(fi));
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ret = v4l2_subdev_call(link_sensor, video, g_frame_interval, &fi);
|
if (ret) {
|
dev_info(pdata->dev, "get link interval fail\n");
|
return -EINVAL;
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}
|
|
max_fps = fi.interval.denominator / fi.interval.numerator;
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dev_info(pdata->dev, "phy[%d] get fps:%d (%d/%d)\n",
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id, max_fps, fi.interval.denominator, fi.interval.numerator);
|
|
} else {
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width = fmt_inf->mf.width;
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height = fmt_inf->mf.height;
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dev_info(pdata->dev, "phy[%d] no link sensor\n", id);
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}
|
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if (!width || !height) {
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dev_err(pdata->dev, "phy[%d] get fmt error!\n", id);
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return -EINVAL;
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}
|
|
for (i = 0; i < 4; i++) {
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if (fmt_inf->in_ch[i].width == 0)
|
break;
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fmt_inf->in_ch[i].width = width;
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fmt_inf->in_ch[i].height = height;
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}
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out_width = width;
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out_height = height * (sub_sensor_num + 1); /* sub add main */
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for (i = 0; i < 4; i++) {
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if (fmt_inf->out_ch[i].width == 0)
|
break;
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fmt_inf->out_ch[i].width = out_width;
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fmt_inf->out_ch[i].height = out_height;
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}
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fmt_inf->hactive = out_width;
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fmt_inf->vactive = out_height;
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fmt_inf->htotal = out_width + (width * 1 / 3); //1.33
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fmt_inf->vtotal = out_height + (height >> 4);
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/* max 30 fps, raw 10 */
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bps = fmt_inf->htotal * fmt_inf->vtotal
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/ fmt_inf->mipi_lane_out * 10 * max_fps;
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/* add extra timing */
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bps = bps * 105;
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do_div(bps, 100);
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if (bps > RK1608_MAX_BITRATE)
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bps = RK1608_MAX_BITRATE;
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pdata->link_freqs = (u32)(bps/2);
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dev_info(pdata->dev, "target mipi bps:%lld\n", bps);
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|
return 0;
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}
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static int rk1608_s_stream(struct v4l2_subdev *sd, int enable)
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{
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struct rk1608_dphy *pdata = to_state(sd);
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if (enable && pdata->sub_sensor_num)
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rk1608_get_link_sensor_timing(pdata);
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pdata->rk1608_sd->grp_id = sd->grp_id;
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v4l2_subdev_call(pdata->rk1608_sd, video, s_stream, enable);
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return 0;
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}
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static int rk1608_enum_mbus_code(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_mbus_code_enum *code)
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{
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struct rk1608_dphy *pdata = to_state(sd);
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if (code->index >= pdata->fmt_inf_num)
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return -EINVAL;
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code->code = pdata->fmt_inf[code->index].mf.code;
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return 0;
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}
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static int rk1608_enum_frame_sizes(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_frame_size_enum *fse)
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{
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struct rk1608_dphy *pdata = to_state(sd);
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if (fse->index >= pdata->fmt_inf_num)
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return -EINVAL;
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if (fse->code != pdata->fmt_inf[fse->index].mf.code)
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return -EINVAL;
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fse->min_width = pdata->fmt_inf[fse->index].mf.width;
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fse->max_width = pdata->fmt_inf[fse->index].mf.width;
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fse->max_height = pdata->fmt_inf[fse->index].mf.height;
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fse->min_height = pdata->fmt_inf[fse->index].mf.height;
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return 0;
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}
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static int rk1608_get_fmt(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_format *fmt)
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{
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struct v4l2_mbus_framefmt *mf = &fmt->format;
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struct rk1608_dphy *pdata = to_state(sd);
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u32 idx = pdata->fmt_inf_idx;
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struct v4l2_subdev *link_sensor;
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int ret = -1;
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if (!IS_ERR_OR_NULL(pdata->link_sensor_client)) {
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link_sensor = i2c_get_clientdata(pdata->link_sensor_client);
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if (IS_ERR_OR_NULL(link_sensor)) {
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dev_err(pdata->dev, "can not get link sensor i2c client\n");
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goto exit;
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}
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ret = v4l2_subdev_call(link_sensor, pad, get_fmt, NULL, fmt);
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if (ret) {
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dev_info(pdata->dev, "get link fmt fail\n");
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goto exit;
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}
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dev_info(pdata->dev, "use link sensor fmt w:%d h:%d code:%d\n",
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mf->width, mf->height, mf->code);
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}
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exit:
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if (ret || !mf->width || !mf->height) {
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mf->code = pdata->fmt_inf[idx].mf.code;
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mf->width = pdata->fmt_inf[idx].mf.width;
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mf->height = pdata->fmt_inf[idx].mf.height;
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mf->field = pdata->fmt_inf[idx].mf.field;
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mf->colorspace = pdata->fmt_inf[idx].mf.colorspace;
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} else {
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pdata->fmt_inf[idx].mf.code = mf->code;
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pdata->fmt_inf[idx].mf.width = mf->width;
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pdata->fmt_inf[idx].mf.height = mf->height;
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pdata->fmt_inf[idx].mf.field = mf->field;
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pdata->fmt_inf[idx].mf.colorspace = mf->colorspace;
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}
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if (pdata->sub_sensor_num)
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rk1608_get_link_sensor_timing(pdata);
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return 0;
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}
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static int rk1608_get_reso_dist(struct rk1608_fmt_inf *fmt_inf,
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struct v4l2_subdev_format *fmt)
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{
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struct v4l2_mbus_framefmt *framefmt = &fmt->format;
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return abs(fmt_inf->mf.width - framefmt->width) +
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abs(fmt_inf->mf.height - framefmt->height);
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}
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static int rk1608_set_fmt(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg,
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struct v4l2_subdev_format *fmt)
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{
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struct v4l2_ctrl *remote_ctrl;
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struct rk1608_dphy *pdata = to_state(sd);
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u32 i, idx = 0;
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int dist;
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int cur_best_fit_dist = -1;
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for (i = 0; i < pdata->fmt_inf_num; i++) {
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dist = rk1608_get_reso_dist(&pdata->fmt_inf[i], fmt);
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if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
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cur_best_fit_dist = dist;
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idx = i;
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}
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}
|
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if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
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return -ENOTTY;
|
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pdata->fmt_inf_idx = idx;
|
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pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
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v4l2_subdev_call(pdata->rk1608_sd, pad, set_fmt, cfg, fmt);
|
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remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
|
V4L2_CID_HBLANK);
|
if (remote_ctrl) {
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v4l2_ctrl_g_ctrl(remote_ctrl);
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__v4l2_ctrl_modify_range(pdata->hblank,
|
remote_ctrl->minimum,
|
remote_ctrl->maximum,
|
remote_ctrl->step,
|
remote_ctrl->default_value);
|
}
|
|
remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
|
V4L2_CID_VBLANK);
|
if (remote_ctrl) {
|
v4l2_ctrl_g_ctrl(remote_ctrl);
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__v4l2_ctrl_modify_range(pdata->vblank,
|
remote_ctrl->minimum,
|
remote_ctrl->maximum,
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remote_ctrl->step,
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remote_ctrl->default_value);
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}
|
|
return 0;
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}
|
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static int rk1608_g_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_frame_interval *fi)
|
{
|
struct rk1608_dphy *pdata = to_state(sd);
|
struct v4l2_subdev *link_sensor;
|
int ret = 0;
|
|
if (!IS_ERR_OR_NULL(pdata->link_sensor_client)) {
|
link_sensor = i2c_get_clientdata(pdata->link_sensor_client);
|
if (IS_ERR_OR_NULL(link_sensor)) {
|
dev_err(pdata->dev, "can not get link sensor i2c client\n");
|
return -EINVAL;
|
}
|
|
ret = v4l2_subdev_call(link_sensor,
|
video,
|
g_frame_interval,
|
fi);
|
if (ret)
|
dev_info(pdata->dev, "get link interval fail\n");
|
else
|
return ret;
|
}
|
|
if (!(pdata->rk1608_sd)) {
|
dev_info(pdata->dev, "pdata->rk1608_sd NULL\n");
|
return -EFAULT;
|
}
|
pdata->rk1608_sd->grp_id = sd->grp_id;
|
v4l2_subdev_call(pdata->rk1608_sd,
|
video,
|
g_frame_interval,
|
fi);
|
|
return 0;
|
}
|
|
static int rk1608_s_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_frame_interval *fi)
|
{
|
return 0;
|
}
|
|
static int rk1608_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id,
|
struct v4l2_mbus_config *config)
|
{
|
|
struct rk1608_dphy *pdata = to_state(sd);
|
u32 val = 0;
|
|
val = 1 << (pdata->fmt_inf[pdata->fmt_inf_idx].mipi_lane_out - 1) |
|
V4L2_MBUS_CSI2_CHANNEL_0 |
|
V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
|
|
config->type = V4L2_MBUS_CSI2_DPHY;
|
config->flags = val;
|
|
return 0;
|
}
|
|
static long rk1608_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
{
|
struct rk1608_dphy *pdata = to_state(sd);
|
struct v4l2_subdev *link_sensor;
|
long ret = 0;
|
|
switch (cmd) {
|
case PREISP_CMD_SAVE_HDRAE_PARAM:
|
ret = v4l2_subdev_call(pdata->rk1608_sd, core, ioctl,
|
cmd, arg);
|
break;
|
case PREISP_CMD_SET_HDRAE_EXP:
|
case RKMODULE_GET_MODULE_INFO:
|
case RKMODULE_AWB_CFG:
|
|
case PREISP_DISP_SET_FRAME_OUTPUT:
|
case PREISP_DISP_SET_FRAME_FORMAT:
|
case PREISP_DISP_SET_FRAME_TYPE:
|
case PREISP_DISP_SET_PRO_TIME:
|
case PREISP_DISP_SET_PRO_CURRENT:
|
case PREISP_DISP_SET_DENOISE:
|
case PREISP_DISP_WRITE_EEPROM:
|
case PREISP_DISP_READ_EEPROM:
|
case PREISP_DISP_SET_LED_ON_OFF:
|
case RKMODULE_SET_QUICK_STREAM:
|
mutex_lock(&rk1608_dphy_mutex);
|
pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
|
ret = v4l2_subdev_call(pdata->rk1608_sd, core, ioctl,
|
cmd, arg);
|
mutex_unlock(&rk1608_dphy_mutex);
|
break;
|
case RKMODULE_GET_CSI_DPHY_PARAM:
|
if (!IS_ERR_OR_NULL(pdata->link_sensor_client)) {
|
link_sensor = i2c_get_clientdata(pdata->link_sensor_client);
|
if (IS_ERR_OR_NULL(link_sensor)) {
|
dev_err(pdata->dev, "can not get link sensor i2c client\n");
|
return -EINVAL;
|
}
|
ret = v4l2_subdev_call(link_sensor, core, ioctl, cmd, arg);
|
}
|
break;
|
default:
|
ret = -ENOIOCTLCMD;
|
break;
|
}
|
return ret;
|
}
|
|
#ifdef CONFIG_COMPAT
|
static long rk1608_compat_ioctl32(struct v4l2_subdev *sd,
|
unsigned int cmd, unsigned long arg)
|
{
|
void __user *up = compat_ptr(arg);
|
struct preisp_hdrae_exp_s hdrae_exp;
|
struct rkmodule_inf *inf;
|
struct rkmodule_awb_cfg *cfg;
|
struct rkmodule_csi_dphy_param *dphy_param;
|
u32 stream;
|
long ret = -EFAULT;
|
|
switch (cmd) {
|
case PREISP_CMD_SET_HDRAE_EXP:
|
if (copy_from_user(&hdrae_exp, up, sizeof(hdrae_exp)))
|
return -EFAULT;
|
|
return rk1608_ioctl(sd, cmd, &hdrae_exp);
|
case RKMODULE_GET_MODULE_INFO:
|
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
|
if (!inf) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
|
ret = rk1608_ioctl(sd, cmd, inf);
|
if (!ret)
|
if (copy_to_user(up, inf, sizeof(*inf))) {
|
kfree(inf);
|
return -EFAULT;
|
}
|
kfree(inf);
|
break;
|
case RKMODULE_AWB_CFG:
|
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
|
if (!cfg) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
if (copy_from_user(cfg, up, sizeof(*cfg)))
|
return -EFAULT;
|
ret = rk1608_ioctl(sd, cmd, cfg);
|
kfree(cfg);
|
break;
|
case RKMODULE_SET_QUICK_STREAM:
|
ret = copy_from_user(&stream, up, sizeof(u32));
|
if (!ret)
|
ret = rk1608_ioctl(sd, cmd, &stream);
|
else
|
ret = -EFAULT;
|
|
break;
|
case RKMODULE_GET_CSI_DPHY_PARAM:
|
dphy_param = kzalloc(sizeof(*dphy_param), GFP_KERNEL);
|
if (!dphy_param) {
|
ret = -ENOMEM;
|
return ret;
|
}
|
if (copy_from_user(dphy_param, up, sizeof(*dphy_param)))
|
return -EFAULT;
|
ret = rk1608_ioctl(sd, cmd, dphy_param);
|
kfree(dphy_param);
|
break;
|
default:
|
ret = -ENOIOCTLCMD;
|
break;
|
}
|
|
return ret;
|
}
|
#endif
|
|
static int rk1608_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
|
{
|
struct v4l2_ctrl *remote_ctrl;
|
struct rk1608_dphy *pdata =
|
container_of(ctrl->handler,
|
struct rk1608_dphy, ctrl_handler);
|
|
pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
|
remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
|
ctrl->id);
|
if (remote_ctrl) {
|
ctrl->val = v4l2_ctrl_g_ctrl(remote_ctrl);
|
__v4l2_ctrl_modify_range(ctrl,
|
remote_ctrl->minimum,
|
remote_ctrl->maximum,
|
remote_ctrl->step,
|
remote_ctrl->default_value);
|
}
|
|
return 0;
|
}
|
|
static int rk1608_set_ctrl(struct v4l2_ctrl *ctrl)
|
{
|
int ret = 0;
|
struct v4l2_ctrl *remote_ctrl;
|
struct rk1608_dphy *pdata =
|
container_of(ctrl->handler,
|
struct rk1608_dphy, ctrl_handler);
|
|
pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
|
remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
|
ctrl->id);
|
if (remote_ctrl)
|
ret = v4l2_ctrl_s_ctrl(remote_ctrl, ctrl->val);
|
|
return ret;
|
}
|
|
#define CROP_START(SRC, DST) (((SRC) - (DST)) / 2 / 4 * 4)
|
static int rk1608_get_selection(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_selection *sel)
|
{
|
struct rk1608_dphy *pdata = to_state(sd);
|
u32 idx = pdata->fmt_inf_idx;
|
u32 width = pdata->fmt_inf[idx].mf.width;
|
u32 height = pdata->fmt_inf[idx].mf.height;
|
struct v4l2_subdev *link_sensor;
|
int ret = -EINVAL;
|
|
if (sel->target != V4L2_SEL_TGT_CROP_BOUNDS)
|
return -EINVAL;
|
|
if (!IS_ERR_OR_NULL(pdata->link_sensor_client)) {
|
link_sensor = i2c_get_clientdata(pdata->link_sensor_client);
|
if (IS_ERR_OR_NULL(link_sensor)) {
|
dev_err(pdata->dev, "can not get link sensor i2c client\n");
|
goto err;
|
}
|
|
ret = v4l2_subdev_call(link_sensor, pad, get_selection, NULL, sel);
|
if (!ret)
|
return 0;
|
}
|
|
err:
|
if (pdata->fmt_inf[idx].hcrop && pdata->fmt_inf[idx].vcrop) {
|
width = pdata->fmt_inf[idx].hcrop;
|
height = pdata->fmt_inf[idx].vcrop;
|
}
|
|
sel->r.left = CROP_START(pdata->fmt_inf[idx].mf.width, width);
|
sel->r.top = CROP_START(pdata->fmt_inf[idx].mf.height, height);
|
sel->r.width = width;
|
sel->r.height = height;
|
|
return 0;
|
}
|
|
static int rk1608_enum_frame_interval(struct v4l2_subdev *sd,
|
struct v4l2_subdev_pad_config *cfg,
|
struct v4l2_subdev_frame_interval_enum *fie)
|
{
|
struct rk1608_dphy *pdata = to_state(sd);
|
u32 idx = pdata->fmt_inf_idx;
|
int ret = 0;
|
struct v4l2_fract max_fps = {
|
.numerator = 10000,
|
.denominator = 300000,
|
};
|
struct v4l2_subdev *link_sensor;
|
|
if (!IS_ERR_OR_NULL(pdata->link_sensor_client)) {
|
link_sensor = i2c_get_clientdata(pdata->link_sensor_client);
|
if (IS_ERR_OR_NULL(link_sensor)) {
|
dev_err(pdata->dev, "can not get link sensor i2c client\n");
|
goto err;
|
}
|
|
ret = v4l2_subdev_call(link_sensor,
|
pad,
|
enum_frame_interval,
|
NULL,
|
fie);
|
return ret;
|
}
|
|
err:
|
if (fie->index >= pdata->fmt_inf_num)
|
return -EINVAL;
|
|
fie->code = pdata->fmt_inf[idx].mf.code;
|
fie->width = pdata->fmt_inf[idx].mf.width;
|
fie->height = pdata->fmt_inf[idx].mf.height;
|
fie->interval = max_fps;
|
|
return ret;
|
}
|
|
static const struct v4l2_ctrl_ops rk1608_ctrl_ops = {
|
.g_volatile_ctrl = rk1608_g_volatile_ctrl,
|
.s_ctrl = rk1608_set_ctrl,
|
};
|
|
static const struct v4l2_ctrl_config rk1608_priv_ctrls[] = {
|
{
|
.ops = NULL,
|
.id = CIFISP_CID_EMB_VC,
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
.name = "Embedded visual channel",
|
.min = 0,
|
.max = 3,
|
.def = 0,
|
.step = 1,
|
}, {
|
.ops = NULL,
|
.id = CIFISP_CID_EMB_DT,
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
.name = "Embedded data type",
|
.min = 0,
|
.max = 0xff,
|
.def = 0x30,
|
.step = 1,
|
}
|
};
|
|
static int rk1608_initialize_controls(struct rk1608_dphy *dphy)
|
{
|
u32 i;
|
int ret;
|
u64 pixel_rate, pixel_bit;
|
u32 idx = dphy->fmt_inf_idx;
|
struct v4l2_ctrl_handler *handler;
|
unsigned long flags = V4L2_CTRL_FLAG_VOLATILE |
|
V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
|
|
handler = &dphy->ctrl_handler;
|
ret = v4l2_ctrl_handler_init(handler, 8);
|
if (ret)
|
return ret;
|
|
dphy->link_freq = v4l2_ctrl_new_int_menu(handler, NULL,
|
V4L2_CID_LINK_FREQ, 0,
|
0, &dphy->link_freqs);
|
if (dphy->link_freq)
|
dphy->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
|
|
switch (dphy->fmt_inf[idx].data_type) {
|
case 0x2b:
|
pixel_bit = 10;
|
break;
|
case 0x2c:
|
pixel_bit = 12;
|
break;
|
default:
|
pixel_bit = 8;
|
break;
|
}
|
pixel_rate = dphy->link_freqs * dphy->fmt_inf[idx].mipi_lane * 2;
|
do_div(pixel_rate, pixel_bit);
|
dphy->pixel_rate = v4l2_ctrl_new_std(handler, NULL,
|
V4L2_CID_PIXEL_RATE,
|
0, pixel_rate, 1, pixel_rate);
|
|
dphy->hblank = v4l2_ctrl_new_std(handler,
|
&rk1608_ctrl_ops,
|
V4L2_CID_HBLANK,
|
0, 0x7FFFFFFF, 1, 0);
|
if (dphy->hblank)
|
dphy->hblank->flags |= flags;
|
|
dphy->vblank = v4l2_ctrl_new_std(handler,
|
&rk1608_ctrl_ops,
|
V4L2_CID_VBLANK,
|
0, 0x7FFFFFFF, 1, 0);
|
if (dphy->vblank)
|
dphy->vblank->flags |= flags;
|
|
dphy->exposure = v4l2_ctrl_new_std(handler,
|
&rk1608_ctrl_ops,
|
V4L2_CID_EXPOSURE,
|
0, 0x7FFFFFFF, 1, 0);
|
if (dphy->exposure)
|
dphy->exposure->flags |= flags;
|
|
dphy->gain = v4l2_ctrl_new_std(handler,
|
&rk1608_ctrl_ops,
|
V4L2_CID_ANALOGUE_GAIN,
|
0, 0x7FFFFFFF, 1, 0);
|
if (dphy->gain)
|
dphy->gain->flags |= flags;
|
|
for (i = 0; i < ARRAY_SIZE(rk1608_priv_ctrls); i++)
|
v4l2_ctrl_new_custom(handler, &rk1608_priv_ctrls[i], NULL);
|
|
if (handler->error) {
|
ret = handler->error;
|
dev_err(dphy->dev,
|
"Failed to init controls(%d)\n", ret);
|
goto err_free_handler;
|
}
|
|
dphy->sd.ctrl_handler = handler;
|
|
return 0;
|
|
err_free_handler:
|
v4l2_ctrl_handler_free(handler);
|
|
return ret;
|
}
|
|
static const struct v4l2_subdev_internal_ops dphy_subdev_internal_ops = {
|
.open = rk1608_s_open,
|
.close = rk1608_s_close,
|
};
|
|
static const struct v4l2_subdev_video_ops rk1608_subdev_video_ops = {
|
.s_stream = rk1608_s_stream,
|
.g_frame_interval = rk1608_g_frame_interval,
|
.s_frame_interval = rk1608_s_frame_interval,
|
};
|
|
static const struct v4l2_subdev_pad_ops rk1608_subdev_pad_ops = {
|
.enum_mbus_code = rk1608_enum_mbus_code,
|
.enum_frame_size = rk1608_enum_frame_sizes,
|
.get_fmt = rk1608_get_fmt,
|
.set_fmt = rk1608_set_fmt,
|
.get_mbus_config = rk1608_g_mbus_config,
|
.get_selection = rk1608_get_selection,
|
.enum_frame_interval = rk1608_enum_frame_interval,
|
};
|
|
static const struct v4l2_subdev_core_ops rk1608_core_ops = {
|
.s_power = rk1608_sensor_power,
|
.ioctl = rk1608_ioctl,
|
#ifdef CONFIG_COMPAT
|
.compat_ioctl32 = rk1608_compat_ioctl32,
|
#endif
|
};
|
|
static const struct v4l2_subdev_ops dphy_subdev_ops = {
|
.core = &rk1608_core_ops,
|
.video = &rk1608_subdev_video_ops,
|
.pad = &rk1608_subdev_pad_ops,
|
};
|
|
static int rk1608_dphy_dt_property(struct rk1608_dphy *dphy)
|
{
|
int ret = 0;
|
struct device_node *node = dphy->dev->of_node;
|
struct device_node *parent_node = of_node_get(node);
|
struct device_node *prev_node = NULL;
|
struct i2c_client *link_sensor_client;
|
u32 idx = 0;
|
u32 sub_idx = 0;
|
|
ret = of_property_read_u32(node, "id", &dphy->sd.grp_id);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get id!");
|
|
ret = of_property_read_u32(node, "cam_nums", &dphy->cam_nums);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get cam_nums!");
|
|
ret = of_property_read_u32(node, "in_mipi", &dphy->in_mipi);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get in_mipi!");
|
|
ret = of_property_read_u32(node, "out_mipi", &dphy->out_mipi);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get out_mipi!");
|
|
ret = of_property_read_u64(node, "link-freqs", &dphy->link_freqs);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get link_freqs!");
|
|
ret = of_property_read_u32(node, "sensor_i2c_bus", &dphy->i2c_bus);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get sensor_i2c_bus!");
|
|
ret = of_property_read_u32(node, "sensor_i2c_addr", &dphy->i2c_addr);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get sensor_i2c_addr!");
|
|
ret = of_property_read_string(node, "sensor-name", &dphy->sensor_name);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get sensor-name!");
|
|
node = NULL;
|
while (!IS_ERR_OR_NULL(node =
|
of_get_next_child(parent_node, prev_node))) {
|
if (!strncasecmp(node->name,
|
"format-config",
|
strlen("format-config"))) {
|
ret = of_property_read_u32(node, "data_type",
|
&dphy->fmt_inf[idx].data_type);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get data_type!");
|
|
ret = of_property_read_u32(node, "mipi_lane",
|
&dphy->fmt_inf[idx].mipi_lane);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get mipi_lane!");
|
|
ret = of_property_read_u32(node, "mipi_lane_out",
|
&dphy->fmt_inf[idx].mipi_lane_out);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get mipi_lane_out!");
|
|
ret = of_property_read_u32(node, "field",
|
&dphy->fmt_inf[idx].mf.field);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get field!");
|
|
ret = of_property_read_u32(node, "colorspace",
|
&dphy->fmt_inf[idx].mf.colorspace);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get colorspace!");
|
|
ret = of_property_read_u32(node, "code",
|
&dphy->fmt_inf[idx].mf.code);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get code!");
|
|
ret = of_property_read_u32(node, "width",
|
&dphy->fmt_inf[idx].mf.width);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get width!");
|
|
ret = of_property_read_u32(node, "height",
|
&dphy->fmt_inf[idx].mf.height);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get height!");
|
|
ret = of_property_read_u32(node, "hactive",
|
&dphy->fmt_inf[idx].hactive);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get hactive!");
|
|
ret = of_property_read_u32(node, "vactive",
|
&dphy->fmt_inf[idx].vactive);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get vactive!");
|
|
ret = of_property_read_u32(node, "htotal",
|
&dphy->fmt_inf[idx].htotal);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get htotal!");
|
|
ret = of_property_read_u32(node, "vtotal",
|
&dphy->fmt_inf[idx].vtotal);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get vtotal!");
|
|
ret = of_property_read_u32_array(node, "inch0-info",
|
(u32 *)&dphy->fmt_inf[idx].in_ch[0], 5);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get inch0-info!");
|
|
ret = of_property_read_u32_array(node, "inch1-info",
|
(u32 *)&dphy->fmt_inf[idx].in_ch[1], 5);
|
if (ret)
|
dev_info(dphy->dev, "Can not get inch1-info!");
|
|
ret = of_property_read_u32_array(node, "inch2-info",
|
(u32 *)&dphy->fmt_inf[idx].in_ch[2], 5);
|
if (ret)
|
dev_info(dphy->dev, "Can not get inch2-info!");
|
|
ret = of_property_read_u32_array(node, "inch3-info",
|
(u32 *)&dphy->fmt_inf[idx].in_ch[3], 5);
|
if (ret)
|
dev_info(dphy->dev, "Can not get inch3-info!");
|
|
ret = of_property_read_u32_array(node, "outch0-info",
|
(u32 *)&dphy->fmt_inf[idx].out_ch[0], 5);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get outch0-info!");
|
|
ret = of_property_read_u32_array(node, "outch1-info",
|
(u32 *)&dphy->fmt_inf[idx].out_ch[1], 5);
|
if (ret)
|
dev_info(dphy->dev, "Can not get outch1-info!");
|
|
ret = of_property_read_u32_array(node, "outch2-info",
|
(u32 *)&dphy->fmt_inf[idx].out_ch[2], 5);
|
if (ret)
|
dev_info(dphy->dev, "Can not get outch2-info!");
|
|
ret = of_property_read_u32_array(node, "outch3-info",
|
(u32 *)&dphy->fmt_inf[idx].out_ch[3], 5);
|
if (ret)
|
dev_info(dphy->dev, "Can not get outch3-info!");
|
|
ret = of_property_read_u32(node, "hcrop",
|
&dphy->fmt_inf[idx].hcrop);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get hcrop!");
|
|
ret = of_property_read_u32(node, "vcrop",
|
&dphy->fmt_inf[idx].vcrop);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get vcrop!");
|
|
idx++;
|
}
|
|
of_node_put(prev_node);
|
prev_node = node;
|
}
|
dphy->fmt_inf_num = idx;
|
|
prev_node = NULL;
|
/* get virtual sub sensor */
|
node = NULL;
|
while (!IS_ERR_OR_NULL(node =
|
of_get_next_child(parent_node, prev_node))) {
|
if (!strncasecmp(node->name,
|
"virtual-sub-sensor-config",
|
strlen("virtual-sub-sensor-config"))) {
|
|
if (sub_idx >= 4) {
|
dev_err(dphy->dev, "get too mach sub_sensor node, max 4.\n");
|
break;
|
}
|
|
ret = of_property_read_u32(node, "id",
|
&dphy->sub_sensor[sub_idx].id);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get sub sensor id!");
|
else
|
dev_info(dphy->dev, "get sub sensor id:%d",
|
dphy->sub_sensor[sub_idx].id);
|
|
ret = of_property_read_u32(node, "in_mipi",
|
&dphy->sub_sensor[sub_idx].in_mipi);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get sub sensor in_mipi!");
|
else
|
dev_info(dphy->dev, "get sub sensor in_mipi:%d",
|
dphy->sub_sensor[sub_idx].in_mipi);
|
|
ret = of_property_read_u32(node, "out_mipi",
|
&dphy->sub_sensor[sub_idx].out_mipi);
|
if (ret)
|
dev_warn(dphy->dev, "Can not get sub sensor out_mipi!");
|
else
|
dev_info(dphy->dev, "get sub sensor out_mipi:%d",
|
dphy->sub_sensor[sub_idx].out_mipi);
|
|
sub_idx++;
|
}
|
|
of_node_put(prev_node);
|
prev_node = node;
|
}
|
dphy->sub_sensor_num = sub_idx;
|
|
node = of_parse_phandle(parent_node, "link-sensor", 0);
|
if (node) {
|
dev_info(dphy->dev, "get link sensor node:%s\n", node->full_name);
|
link_sensor_client =
|
of_find_i2c_device_by_node(node);
|
of_node_put(node);
|
if (IS_ERR_OR_NULL(link_sensor_client)) {
|
dev_err(dphy->dev, "can not get link sensor node\n");
|
} else {
|
dphy->link_sensor_client = link_sensor_client;
|
dev_info(dphy->dev, "get link sensor client\n");
|
}
|
} else {
|
dev_err(dphy->dev, "can not get link-sensor node\n");
|
}
|
/* get virtual sub sensor end */
|
|
of_node_put(prev_node);
|
of_node_put(parent_node);
|
|
return ret;
|
}
|
|
static int rk1608_dphy_probe(struct platform_device *pdev)
|
{
|
struct rk1608_dphy *dphy;
|
struct v4l2_subdev *sd;
|
struct device_node *node = pdev->dev.of_node;
|
char facing[2];
|
int ret = 0;
|
|
dphy = devm_kzalloc(&pdev->dev, sizeof(*dphy), GFP_KERNEL);
|
if (!dphy)
|
return -ENOMEM;
|
|
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
|
&dphy->module_index);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
|
&dphy->module_facing);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
|
&dphy->module_name);
|
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
|
&dphy->len_name);
|
if (ret) {
|
dev_err(dphy->dev,
|
"could not get module information!\n");
|
return -EINVAL;
|
}
|
|
dphy->dev = &pdev->dev;
|
platform_set_drvdata(pdev, dphy);
|
sd = &dphy->sd;
|
sd->dev = &pdev->dev;
|
v4l2_subdev_init(sd, &dphy_subdev_ops);
|
rk1608_dphy_dt_property(dphy);
|
|
memset(facing, 0, sizeof(facing));
|
if (strcmp(dphy->module_facing, "back") == 0)
|
facing[0] = 'b';
|
else
|
facing[0] = 'f';
|
|
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s RK1608-dphy%d",
|
dphy->module_index, facing,
|
RK1608_DPHY_NAME, sd->grp_id);
|
rk1608_initialize_controls(dphy);
|
sd->internal_ops = &dphy_subdev_internal_ops;
|
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
dphy->pad.flags = MEDIA_PAD_FL_SOURCE;
|
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
ret = media_entity_pads_init(&sd->entity, 1, &dphy->pad);
|
if (ret < 0)
|
goto handler_err;
|
ret = v4l2_async_register_subdev_sensor_common(sd);
|
if (ret < 0)
|
goto register_err;
|
|
dev_info(dphy->dev, "RK1608-dphy(%d) probe success!\n", sd->grp_id);
|
|
return 0;
|
register_err:
|
media_entity_cleanup(&sd->entity);
|
handler_err:
|
v4l2_ctrl_handler_free(dphy->sd.ctrl_handler);
|
devm_kfree(&pdev->dev, dphy);
|
return ret;
|
}
|
|
static int rk1608_dphy_remove(struct platform_device *pdev)
|
{
|
struct rk1608_dphy *dphy = platform_get_drvdata(pdev);
|
|
v4l2_async_unregister_subdev(&dphy->sd);
|
media_entity_cleanup(&dphy->sd.entity);
|
v4l2_ctrl_handler_free(&dphy->ctrl_handler);
|
|
return 0;
|
}
|
|
static const struct of_device_id dphy_of_match[] = {
|
{ .compatible = "rockchip,rk1608-dphy" },
|
{ /* sentinel */ },
|
};
|
|
MODULE_DEVICE_TABLE(of, dphy_of_match);
|
|
static struct platform_driver rk1608_dphy_drv = {
|
.driver = {
|
.of_match_table = of_match_ptr(dphy_of_match),
|
.name = RK1608_DPHY_NAME,
|
},
|
.probe = rk1608_dphy_probe,
|
.remove = rk1608_dphy_remove,
|
};
|
|
module_platform_driver(rk1608_dphy_drv);
|
|
MODULE_AUTHOR("Rockchip Camera/ISP team");
|
MODULE_DESCRIPTION("A DSP driver for rk1608 chip");
|
MODULE_LICENSE("GPL v2");
|
