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CoolPi-Armbian-Rockchip-RK3.../drivers/media/spi/rk1608_dphy.c

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// SPDX-License-Identifier: GPL-2.0
/**
* Rockchip rk1608 driver
*
* Copyright (C) 2017-2018 Rockchip Electronics Co., Ltd.
*
*/
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/gpio/consumer.h>
#include <linux/regmap.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/of_graph.h>
#include <linux/mfd/syscon.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-subdev.h>
#include <linux/platform_device.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/types.h>
#include <linux/rk-preisp.h>
#include <linux/rk-isp1-config.h>
#include <linux/rk-camera-module.h>
#include "rk1608_dphy.h"
#include <linux/compat.h>
#define RK1608_DPHY_NAME "RK1608-dphy"
/**
* Rk1608 is used as the Pre-ISP to link on Soc, which mainly has two
* functions. One is to download the firmware of RK1608, and the other
* is to match the extra sensor such as camera and enable sensor by
* calling sensor's s_power.
* |-----------------------|
* | Sensor Camera |
* |-----------------------|
* |-----------||----------|
* |-----------||----------|
* |-----------\/----------|
* | Pre-ISP RK1608 |
* |-----------------------|
* |-----------||----------|
* |-----------||----------|
* |-----------\/----------|
* | Rockchip Soc |
* |-----------------------|
* 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);
static inline struct rk1608_dphy *to_state(struct v4l2_subdev *sd)
{
return container_of(sd, struct rk1608_dphy, sd);
}
static int rk1608_s_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct v4l2_ctrl *remote_ctrl;
struct rk1608_dphy *pdata = to_state(sd);
pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
V4L2_CID_HBLANK);
if (remote_ctrl) {
v4l2_ctrl_g_ctrl(remote_ctrl);
__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);
__v4l2_ctrl_modify_range(pdata->vblank,
remote_ctrl->minimum,
remote_ctrl->maximum,
remote_ctrl->step,
remote_ctrl->default_value);
}
return 0;
}
static int rk1608_s_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct rk1608_dphy *pdata = to_state(sd);
pdata->rk1608_sd->grp_id = sd->grp_id;
return 0;
}
static int rk1608_sensor_power(struct v4l2_subdev *sd, int on)
{
int ret = 0;
struct rk1608_dphy *pdata = to_state(sd);
pdata->rk1608_sd->grp_id = sd->grp_id;
ret = v4l2_subdev_call(pdata->rk1608_sd, core, s_power, on);
return ret;
}
#define RK1608_MAX_BITRATE (1500000000)
static int rk1608_get_link_sensor_timing(struct rk1608_dphy *pdata)
{
int ret = 0;
u32 i;
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;
struct v4l2_subdev *link_sensor;
u32 id = pdata->sd.grp_id;
struct v4l2_subdev_frame_interval fi;
int max_fps = 30;
u64 bps;
struct v4l2_subdev_format fmt = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
.pad = 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, pad, get_fmt, NULL, &fmt);
if (ret) {
dev_info(pdata->dev, "get link fmt fail\n");
return -EINVAL;
}
width = fmt.format.width;
height = fmt.format.height;
dev_info(pdata->dev, "phy[%d] get fmt w:%d h:%d\n",
id, width, height);
memset(&fi, 0, sizeof(fi));
ret = v4l2_subdev_call(link_sensor, video, g_frame_interval, &fi);
if (ret) {
dev_info(pdata->dev, "get link interval fail\n");
return -EINVAL;
}
max_fps = fi.interval.denominator / fi.interval.numerator;
dev_info(pdata->dev, "phy[%d] get fps:%d (%d/%d)\n",
id, max_fps, fi.interval.denominator, fi.interval.numerator);
} else {
width = fmt_inf->mf.width;
height = fmt_inf->mf.height;
dev_info(pdata->dev, "phy[%d] no link sensor\n", id);
}
if (!width || !height) {
dev_err(pdata->dev, "phy[%d] get fmt error!\n", id);
return -EINVAL;
}
for (i = 0; i < 4; i++) {
if (fmt_inf->in_ch[i].width == 0)
break;
fmt_inf->in_ch[i].width = width;
fmt_inf->in_ch[i].height = height;
}
out_width = width;
out_height = height * (sub_sensor_num + 1); /* sub add main */
for (i = 0; i < 4; i++) {
if (fmt_inf->out_ch[i].width == 0)
break;
fmt_inf->out_ch[i].width = out_width;
fmt_inf->out_ch[i].height = out_height;
}
fmt_inf->hactive = out_width;
fmt_inf->vactive = out_height;
fmt_inf->htotal = out_width + (width * 1 / 3); //1.33
fmt_inf->vtotal = out_height + (height >> 4);
/* max 30 fps, raw 10 */
bps = fmt_inf->htotal * fmt_inf->vtotal
/ fmt_inf->mipi_lane_out * 10 * max_fps;
/* add extra timing */
bps = bps * 105;
do_div(bps, 100);
if (bps > RK1608_MAX_BITRATE)
bps = RK1608_MAX_BITRATE;
pdata->link_freqs = (u32)(bps/2);
dev_info(pdata->dev, "target mipi bps:%lld\n", bps);
return 0;
}
static int rk1608_s_stream(struct v4l2_subdev *sd, int enable)
{
struct rk1608_dphy *pdata = to_state(sd);
if (enable && pdata->sub_sensor_num)
rk1608_get_link_sensor_timing(pdata);
pdata->rk1608_sd->grp_id = sd->grp_id;
v4l2_subdev_call(pdata->rk1608_sd, video, s_stream, enable);
return 0;
}
static int rk1608_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
struct rk1608_dphy *pdata = to_state(sd);
if (code->index >= pdata->fmt_inf_num)
return -EINVAL;
code->code = pdata->fmt_inf[code->index].mf.code;
return 0;
}
static int rk1608_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
struct rk1608_dphy *pdata = to_state(sd);
if (fse->index >= pdata->fmt_inf_num)
return -EINVAL;
if (fse->code != pdata->fmt_inf[fse->index].mf.code)
return -EINVAL;
fse->min_width = pdata->fmt_inf[fse->index].mf.width;
fse->max_width = pdata->fmt_inf[fse->index].mf.width;
fse->max_height = pdata->fmt_inf[fse->index].mf.height;
fse->min_height = pdata->fmt_inf[fse->index].mf.height;
return 0;
}
static int rk1608_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *mf = &fmt->format;
struct rk1608_dphy *pdata = to_state(sd);
u32 idx = pdata->fmt_inf_idx;
struct v4l2_subdev *link_sensor;
int ret = -1;
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 exit;
}
ret = v4l2_subdev_call(link_sensor, pad, get_fmt, NULL, fmt);
if (ret) {
dev_info(pdata->dev, "get link fmt fail\n");
goto exit;
}
dev_info(pdata->dev, "use link sensor fmt w:%d h:%d code:%d\n",
mf->width, mf->height, mf->code);
}
exit:
if (ret || !mf->width || !mf->height) {
mf->code = pdata->fmt_inf[idx].mf.code;
mf->width = pdata->fmt_inf[idx].mf.width;
mf->height = pdata->fmt_inf[idx].mf.height;
mf->field = pdata->fmt_inf[idx].mf.field;
mf->colorspace = pdata->fmt_inf[idx].mf.colorspace;
} else {
pdata->fmt_inf[idx].mf.code = mf->code;
pdata->fmt_inf[idx].mf.width = mf->width;
pdata->fmt_inf[idx].mf.height = mf->height;
pdata->fmt_inf[idx].mf.field = mf->field;
pdata->fmt_inf[idx].mf.colorspace = mf->colorspace;
}
if (pdata->sub_sensor_num)
rk1608_get_link_sensor_timing(pdata);
return 0;
}
static int rk1608_get_reso_dist(struct rk1608_fmt_inf *fmt_inf,
struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *framefmt = &fmt->format;
return abs(fmt_inf->mf.width - framefmt->width) +
abs(fmt_inf->mf.height - framefmt->height);
}
static int rk1608_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct v4l2_ctrl *remote_ctrl;
struct rk1608_dphy *pdata = to_state(sd);
u32 i, idx = 0;
int dist;
int cur_best_fit_dist = -1;
for (i = 0; i < pdata->fmt_inf_num; i++) {
dist = rk1608_get_reso_dist(&pdata->fmt_inf[i], fmt);
if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
cur_best_fit_dist = dist;
idx = i;
}
}
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
return -ENOTTY;
pdata->fmt_inf_idx = idx;
pdata->rk1608_sd->grp_id = pdata->sd.grp_id;
v4l2_subdev_call(pdata->rk1608_sd, pad, set_fmt, sd_state, fmt);
remote_ctrl = v4l2_ctrl_find(pdata->rk1608_sd->ctrl_handler,
V4L2_CID_HBLANK);
if (remote_ctrl) {
v4l2_ctrl_g_ctrl(remote_ctrl);
__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);
__v4l2_ctrl_modify_range(pdata->vblank,
remote_ctrl->minimum,
remote_ctrl->maximum,
remote_ctrl->step,
remote_ctrl->default_value);
}
return 0;
}
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_state *sd_state,
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_state *sd_state,
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(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");
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