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phy: rockchip: csi2-dphy: logic node of mipi phy can control all hw of mipi phy

Browse Source 
Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I30cc62cc1d28c4219e9e5c5ccd77fa9f589e63af
This commit is contained in:
Zefa Chen
2022-09-07 15:38:48 +08:00
committed by Tao Huang
parent c929ccacbb
commit 08330d500d
3 changed files with 548 additions and 287 deletions
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15
drivers/phy/rockchip/phy-rockchip-csi2-dphy-common.h
View File

@@ -9,10 +9,15 @@
#define _PHY_ROCKCHIP_CSI2_DPHY_COMMON_H_
#include <linux/rk-camera-module.h>
#include <linux/rkcif-config.h>
#define PHY_MAX 16
#define MAX_DEV_NAME_LEN 32
#define MAX_SAMSUNG_PHY_NUM 2
#define MAX_INNO_PHY_NUM 2
/* add new chip id in tail by time order */
enum csi2_dphy_chip_id {
CHIP_ID_RK3568 = 0x0,
@@ -59,14 +64,18 @@ struct samsung_mipi_dcphy;
struct dphy_drv_data {
const char dev_name[MAX_DEV_NAME_LEN];
enum csi2_dphy_vendor vendor;
enum csi2_dphy_chip_id chip_id;
char num_inno_phy;
char num_samsung_phy;
};
struct csi2_dphy {
struct device *dev;
struct list_head list;
struct csi2_dphy_hw *dphy_hw;
struct csi2_dphy_hw *dphy_hw_group[MAX_INNO_PHY_NUM];
struct samsung_mipi_dcphy *samsung_phy;
struct samsung_mipi_dcphy *samsung_phy_group[MAX_SAMSUNG_PHY_NUM];
struct v4l2_async_notifier notifier;
struct v4l2_subdev sd;
struct mutex mutex; /* lock for updating protection */
@@ -75,8 +84,10 @@ struct csi2_dphy {
u64 data_rate_mbps;
int num_sensors;
int phy_index;
struct rkcif_csi_info csi_info;
void *phy_hw[RKMODULE_MULTI_DEV_NUM];
bool is_streaming;
enum csi2_dphy_lane_mode lane_mode;
int lane_mode;
const struct dphy_drv_data *drv_data;
struct rkmodule_csi_dphy_param dphy_param;
};

810
drivers/phy/rockchip/phy-rockchip-csi2-dphy.c
View File

@@ -25,6 +25,17 @@
#include "phy-rockchip-csi2-dphy-common.h"
#include "phy-rockchip-samsung-dcphy.h"
static struct rkmodule_csi_dphy_param rk3588_dcphy_param = {
.vendor = PHY_VENDOR_SAMSUNG,
.lp_vol_ref = 3,
.lp_hys_sw = {3, 0, 0, 0},
.lp_escclk_pol_sel = {1, 0, 0, 0},
.skew_data_cal_clk = {0, 3, 3, 3},
.clk_hs_term_sel = 2,
.data_hs_term_sel = {2, 2, 2, 2},
.reserved = {0},
};
struct sensor_async_subdev {
struct v4l2_async_subdev asd;
struct v4l2_mbus_config mbus;
@@ -42,7 +53,10 @@ static struct v4l2_subdev *get_remote_sensor(struct v4l2_subdev *sd)
{
struct media_pad *local, *remote;
struct media_entity *sensor_me;
struct csi2_dphy *dphy = to_csi2_dphy(sd);
if (dphy->num_sensors == 0)
return NULL;
local = &sd->entity.pads[CSI2_DPHY_RX_PAD_SINK];
remote = media_entity_remote_pad(local);
if (!remote) {
@@ -72,7 +86,7 @@ static int csi2_dphy_get_sensor_data_rate(struct v4l2_subdev *sd)
struct v4l2_subdev *sensor_sd = get_remote_sensor(sd);
struct v4l2_ctrl *link_freq;
struct v4l2_querymenu qm = { .id = V4L2_CID_LINK_FREQ, };
int ret;
int ret = 0;
if (!sensor_sd)
return -ENODEV;
@@ -101,14 +115,213 @@ static int csi2_dphy_get_sensor_data_rate(struct v4l2_subdev *sd)
return 0;
}
static int rockchip_csi2_dphy_attach_hw(struct csi2_dphy *dphy, int csi_idx, int index)
{
struct csi2_dphy_hw *dphy_hw;
struct samsung_mipi_dcphy *dcphy_hw;
struct v4l2_subdev *sensor_sd = get_remote_sensor(&dphy->sd);
struct csi2_sensor *sensor = NULL;
int lanes = 2;
if (sensor_sd) {
sensor = sd_to_sensor(dphy, sensor_sd);
lanes = sensor->lanes;
}
if (dphy->drv_data->chip_id == CHIP_ID_RK3568 ||
dphy->drv_data->chip_id == CHIP_ID_RV1106) {
dphy_hw = dphy->dphy_hw_group[0];
mutex_lock(&dphy_hw->mutex);
dphy_hw->dphy_dev[dphy_hw->dphy_dev_num] = dphy;
dphy_hw->dphy_dev_num++;
switch (dphy->phy_index) {
case 0:
dphy->lane_mode = PHY_FULL_MODE;
dphy_hw->lane_mode = LANE_MODE_FULL;
break;
case 1:
dphy->lane_mode = PHY_SPLIT_01;
dphy_hw->lane_mode = LANE_MODE_SPLIT;
break;
case 2:
dphy->lane_mode = PHY_SPLIT_23;
dphy_hw->lane_mode = LANE_MODE_SPLIT;
break;
default:
dphy->lane_mode = PHY_FULL_MODE;
dphy_hw->lane_mode = LANE_MODE_FULL;
break;
}
dphy->dphy_hw = dphy_hw;
dphy->phy_hw[index] = (void *)dphy_hw;
dphy->csi_info.dphy_vendor[index] = PHY_VENDOR_INNO;
mutex_unlock(&dphy_hw->mutex);
} else if (dphy->drv_data->chip_id == CHIP_ID_RK3588) {
if (csi_idx < 2) {
dcphy_hw = dphy->samsung_phy_group[csi_idx];
mutex_lock(&dcphy_hw->mutex);
dcphy_hw->dphy_dev_num++;
mutex_unlock(&dcphy_hw->mutex);
dphy->samsung_phy = dcphy_hw;
dphy->phy_hw[index] = (void *)dcphy_hw;
dphy->dphy_param = rk3588_dcphy_param;
dphy->csi_info.dphy_vendor[index] = PHY_VENDOR_SAMSUNG;
} else {
dphy_hw = dphy->dphy_hw_group[(csi_idx - 2) / 2];
mutex_lock(&dphy_hw->mutex);
if (csi_idx == 2 || csi_idx == 4) {
if (lanes == 4) {
dphy->lane_mode = PHY_FULL_MODE;
dphy_hw->lane_mode = LANE_MODE_FULL;
if (csi_idx == 2)
dphy->phy_index = 0;
else
dphy->phy_index = 3;
} else {
dphy->lane_mode = PHY_SPLIT_01;
dphy_hw->lane_mode = LANE_MODE_SPLIT;
if (csi_idx == 2)
dphy->phy_index = 1;
else
dphy->phy_index = 4;
}
} else if (csi_idx == 3 || csi_idx == 5) {
if (lanes == 4) {
dev_info(dphy->dev, "%s csi host%d only support PHY_SPLIT_23\n",
__func__, csi_idx);
mutex_unlock(&dphy_hw->mutex);
return -EINVAL;
}
dphy->lane_mode = PHY_SPLIT_23;
dphy_hw->lane_mode = LANE_MODE_SPLIT;
if (csi_idx == 3)
dphy->phy_index = 2;
else
dphy->phy_index = 5;
}
dphy_hw->dphy_dev_num++;
dphy->dphy_hw = dphy_hw;
dphy->phy_hw[index] = (void *)dphy_hw;
dphy->csi_info.dphy_vendor[index] = PHY_VENDOR_INNO;
mutex_unlock(&dphy_hw->mutex);
}
} else {
dphy_hw = dphy->dphy_hw_group[csi_idx / 2];
mutex_lock(&dphy_hw->mutex);
if (csi_idx == 0 || csi_idx == 2) {
if (lanes == 4) {
dphy->lane_mode = PHY_FULL_MODE;
dphy_hw->lane_mode = LANE_MODE_FULL;
if (csi_idx == 0)
dphy->phy_index = 0;
else
dphy->phy_index = 3;
} else {
dphy->lane_mode = PHY_SPLIT_01;
dphy_hw->lane_mode = LANE_MODE_SPLIT;
if (csi_idx == 0)
dphy->phy_index = 1;
else
dphy->phy_index = 4;
}
} else if (csi_idx == 1 || csi_idx == 3) {
if (lanes == 4) {
dev_info(dphy->dev, "%s csi host%d only support PHY_SPLIT_23\n",
__func__, csi_idx);
mutex_unlock(&dphy_hw->mutex);
return -EINVAL;
}
dphy->lane_mode = PHY_SPLIT_23;
dphy_hw->lane_mode = LANE_MODE_SPLIT;
if (csi_idx == 1)
dphy->phy_index = 2;
else
dphy->phy_index = 5;
} else {
dev_info(dphy->dev, "%s error csi host%d\n",
__func__, csi_idx);
mutex_unlock(&dphy_hw->mutex);
return -EINVAL;
}
dphy_hw->dphy_dev[dphy_hw->dphy_dev_num] = dphy;
dphy->phy_hw[index] = (void *)dphy_hw;
dphy->csi_info.dphy_vendor[index] = PHY_VENDOR_INNO;
mutex_unlock(&dphy_hw->mutex);
}
return 0;
}
static int rockchip_csi2_dphy_detach_hw(struct csi2_dphy *dphy, int csi_idx, int index)
{
struct csi2_dphy_hw *dphy_hw = NULL;
struct samsung_mipi_dcphy *dcphy_hw = NULL;
struct csi2_dphy *csi2_dphy = NULL;
int i = 0;
if (dphy->drv_data->chip_id == CHIP_ID_RK3568 ||
dphy->drv_data->chip_id == CHIP_ID_RV1106) {
dphy_hw = (struct csi2_dphy_hw *)dphy->phy_hw[index];
if (!dphy_hw) {
dev_err(dphy->dev, "%s csi_idx %d detach hw failed\n",
__func__, csi_idx);
return -EINVAL;
}
mutex_lock(&dphy_hw->mutex);
for (i = 0; i < dphy_hw->dphy_dev_num; i++) {
csi2_dphy = dphy_hw->dphy_dev[i];
if (csi2_dphy &&
csi2_dphy->phy_index == dphy->phy_index) {
dphy_hw->dphy_dev[i] = NULL;
dphy_hw->dphy_dev_num--;
break;
}
}
mutex_unlock(&dphy_hw->mutex);
} else if (dphy->drv_data->chip_id == CHIP_ID_RK3588) {
if (csi_idx < 2) {
dcphy_hw = (struct samsung_mipi_dcphy *)dphy->phy_hw[index];
if (!dcphy_hw) {
dev_err(dphy->dev, "%s csi_idx %d detach hw failed\n",
__func__, csi_idx);
return -EINVAL;
}
mutex_lock(&dcphy_hw->mutex);
dcphy_hw->dphy_dev_num--;
mutex_unlock(&dcphy_hw->mutex);
} else {
dphy_hw = (struct csi2_dphy_hw *)dphy->phy_hw[index];
if (!dphy_hw) {
dev_err(dphy->dev, "%s csi_idx %d detach hw failed\n",
__func__, csi_idx);
return -EINVAL;
}
mutex_lock(&dphy_hw->mutex);
dphy_hw->dphy_dev_num--;
mutex_unlock(&dphy_hw->mutex);
}
} else {
dphy_hw = (struct csi2_dphy_hw *)dphy->phy_hw[index];
if (!dphy_hw) {
dev_err(dphy->dev, "%s csi_idx %d detach hw failed\n",
__func__, csi_idx);
return -EINVAL;
}
mutex_lock(&dphy_hw->mutex);
dphy_hw->dphy_dev_num--;
mutex_unlock(&dphy_hw->mutex);
}
return 0;
}
static int csi2_dphy_update_sensor_mbus(struct v4l2_subdev *sd)
{
struct csi2_dphy *dphy = to_csi2_dphy(sd);
struct v4l2_subdev *sensor_sd = get_remote_sensor(sd);
struct csi2_sensor *sensor;
struct v4l2_mbus_config mbus;
struct rkmodule_bus_config bus_config;
int ret;
int ret = 0;
if (!sensor_sd)
return -ENODEV;
@@ -137,86 +350,83 @@ static int csi2_dphy_update_sensor_mbus(struct v4l2_subdev *sd)
default:
return -EINVAL;
}
if (dphy->drv_data->vendor == PHY_VENDOR_INNO) {
ret = v4l2_subdev_call(sensor_sd, core, ioctl,
RKMODULE_GET_BUS_CONFIG, &bus_config);
if (!ret) {
dev_info(dphy->dev, "phy_mode %d,lane %d\n",
bus_config.bus.phy_mode, bus_config.bus.lanes);
if (bus_config.bus.phy_mode == PHY_FULL_MODE) {
if (dphy->dphy_hw->drv_data->chip_id == CHIP_ID_RK3588 &&
dphy->phy_index % 3 == 2) {
dev_err(dphy->dev, "%s dphy%d only use for PHY_SPLIT_23\n",
__func__, dphy->phy_index);
ret = -EINVAL;
}
dphy->lane_mode = LANE_MODE_FULL;
} else if (bus_config.bus.phy_mode == PHY_SPLIT_01) {
if (dphy->dphy_hw->drv_data->chip_id == CHIP_ID_RK3588_DCPHY) {
dev_err(dphy->dev, "%s The chip not support split mode\n",
__func__);
ret = -EINVAL;
} else if (dphy->phy_index % 3 == 2) {
dev_err(dphy->dev, "%s dphy%d only use for PHY_SPLIT_23\n",
__func__, dphy->phy_index);
ret = -EINVAL;
} else {
dphy->lane_mode = LANE_MODE_SPLIT;
}
} else if (bus_config.bus.phy_mode == PHY_SPLIT_23) {
if (dphy->dphy_hw->drv_data->chip_id == CHIP_ID_RK3588_DCPHY) {
dev_err(dphy->dev, "%s The chip not support split mode\n",
__func__);
ret = -EINVAL;
} else if (dphy->phy_index % 3 != 2) {
dev_err(dphy->dev, "%s dphy%d not support PHY_SPLIT_23\n",
__func__, dphy->phy_index);
ret = -EINVAL;
} else {
dphy->lane_mode = LANE_MODE_SPLIT;
return 0;
}
static int csi2_dphy_update_config(struct v4l2_subdev *sd)
{
struct csi2_dphy *dphy = to_csi2_dphy(sd);
struct v4l2_subdev *sensor_sd = get_remote_sensor(sd);
struct rkmodule_csi_dphy_param dphy_param;
struct rkmodule_bus_config bus_config;
int csi_idx = 0;
int ret = 0;
int i = 0;
for (i = 0; i < dphy->csi_info.csi_num; i++) {
if (dphy->drv_data->chip_id != CHIP_ID_RK3568 &&
dphy->drv_data->chip_id != CHIP_ID_RV1106) {
csi_idx = dphy->csi_info.csi_idx[i];
rockchip_csi2_dphy_attach_hw(dphy, csi_idx, i);
}
if (dphy->csi_info.dphy_vendor[i] == PHY_VENDOR_INNO) {
ret = v4l2_subdev_call(sensor_sd, core, ioctl,
RKMODULE_GET_BUS_CONFIG, &bus_config);
if (!ret) {
dev_info(dphy->dev, "phy_mode %d,lane %d\n",
bus_config.bus.phy_mode, bus_config.bus.lanes);
if (bus_config.bus.phy_mode == PHY_FULL_MODE) {
if (dphy->phy_index % 3 == 2) {
dev_err(dphy->dev, "%s dphy%d only use for PHY_SPLIT_23\n",
__func__, dphy->phy_index);
return -EINVAL;
}
dphy->lane_mode = PHY_FULL_MODE;
dphy->dphy_hw->lane_mode = LANE_MODE_FULL;
} else if (bus_config.bus.phy_mode == PHY_SPLIT_01) {
if (dphy->phy_index % 3 == 2) {
dev_err(dphy->dev, "%s dphy%d only use for PHY_SPLIT_23\n",
__func__, dphy->phy_index);
return -EINVAL;
}
dphy->lane_mode = PHY_SPLIT_01;
dphy->dphy_hw->lane_mode = LANE_MODE_SPLIT;
} else if (bus_config.bus.phy_mode == PHY_SPLIT_23) {
if (dphy->phy_index % 3 != 2) {
dev_err(dphy->dev, "%s dphy%d not support PHY_SPLIT_23\n",
__func__, dphy->phy_index);
return -EINVAL;
}
dphy->lane_mode = PHY_SPLIT_23;
dphy->dphy_hw->lane_mode = LANE_MODE_SPLIT;
}
}
if (!ret)
dphy->dphy_hw->lane_mode = dphy->lane_mode;
} else {
ret = 0;
}
}
if (dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG) {
ret = v4l2_subdev_call(sensor_sd, core, ioctl,
RKMODULE_GET_CSI_DPHY_PARAM,
&dphy->dphy_param);
if (ret) {
dev_dbg(dphy->dev, "%s fail to get dphy param, used default value\n",
__func__);
ret = 0;
}
}
return ret;
ret = v4l2_subdev_call(sensor_sd, core, ioctl,
RKMODULE_GET_CSI_DPHY_PARAM,
&dphy_param);
if (!ret)
dphy->dphy_param = dphy_param;
return 0;
}
static int csi2_dphy_s_stream_start(struct v4l2_subdev *sd)
{
struct csi2_dphy *dphy = to_csi2_dphy(sd);
struct csi2_dphy_hw *hw = dphy->dphy_hw;
struct samsung_mipi_dcphy *samsung_phy = dphy->samsung_phy;
int ret = 0;
int i = 0;
if (dphy->is_streaming)
return 0;
ret = csi2_dphy_get_sensor_data_rate(sd);
if (ret < 0)
return ret;
csi2_dphy_update_sensor_mbus(sd);
if (dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG) {
if (samsung_phy && samsung_phy->stream_on)
samsung_phy->stream_on(dphy, sd);
} else {
if (hw->stream_on)
hw->stream_on(dphy, sd);
for (i = 0; i < dphy->csi_info.csi_num; i++) {
if (dphy->csi_info.dphy_vendor[i] == PHY_VENDOR_SAMSUNG) {
dphy->samsung_phy = (struct samsung_mipi_dcphy *)dphy->phy_hw[i];
if (dphy->samsung_phy && dphy->samsung_phy->stream_on)
dphy->samsung_phy->stream_on(dphy, sd);
} else {
dphy->dphy_hw = (struct csi2_dphy_hw *)dphy->phy_hw[i];
if (dphy->dphy_hw && dphy->dphy_hw->stream_on)
dphy->dphy_hw->stream_on(dphy, sd);
}
}
dphy->is_streaming = true;
@@ -227,18 +437,21 @@ static int csi2_dphy_s_stream_start(struct v4l2_subdev *sd)
static int csi2_dphy_s_stream_stop(struct v4l2_subdev *sd)
{
struct csi2_dphy *dphy = to_csi2_dphy(sd);
struct csi2_dphy_hw *hw = dphy->dphy_hw;
struct samsung_mipi_dcphy *samsung_phy = dphy->samsung_phy;
int i = 0;
if (!dphy->is_streaming)
return 0;
if (dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG) {
if (samsung_phy && samsung_phy->stream_off)
samsung_phy->stream_off(dphy, sd);
} else {
if (hw->stream_off)
hw->stream_off(dphy, sd);
for (i = 0; i < dphy->csi_info.csi_num; i++) {
if (dphy->csi_info.dphy_vendor[i] == PHY_VENDOR_SAMSUNG) {
dphy->samsung_phy = (struct samsung_mipi_dcphy *)dphy->phy_hw[i];
if (dphy->samsung_phy && dphy->samsung_phy->stream_off)
dphy->samsung_phy->stream_off(dphy, sd);
} else {
dphy->dphy_hw = (struct csi2_dphy_hw *)dphy->phy_hw[i];
if (dphy->dphy_hw && dphy->dphy_hw->stream_off)
dphy->dphy_hw->stream_off(dphy, sd);
}
if (dphy->drv_data->chip_id != CHIP_ID_RK3568 &&
dphy->drv_data->chip_id != CHIP_ID_RV1106)
rockchip_csi2_dphy_detach_hw(dphy, dphy->csi_info.csi_idx[i], i);
}
dphy->is_streaming = false;
@@ -249,20 +462,94 @@ static int csi2_dphy_s_stream_stop(struct v4l2_subdev *sd)
return 0;
}
static int csi2_dphy_enable_clk(struct csi2_dphy *dphy)
{
struct csi2_dphy_hw *hw = NULL;
struct samsung_mipi_dcphy *samsung_phy = NULL;
int ret;
int i = 0;
for (i = 0; i < dphy->csi_info.csi_num; i++) {
if (dphy->csi_info.dphy_vendor[i] == PHY_VENDOR_SAMSUNG) {
samsung_phy = (struct samsung_mipi_dcphy *)dphy->phy_hw[i];
if (samsung_phy)
clk_prepare_enable(samsung_phy->pclk);
} else {
hw = (struct csi2_dphy_hw *)dphy->phy_hw[i];
if (hw) {
ret = clk_bulk_prepare_enable(hw->num_clks, hw->clks_bulk);
if (ret) {
dev_err(hw->dev, "failed to enable clks\n");
return ret;
}
}
}
}
return 0;
}
static void csi2_dphy_disable_clk(struct csi2_dphy *dphy)
{
struct csi2_dphy_hw *hw = NULL;
struct samsung_mipi_dcphy *samsung_phy = NULL;
int i = 0;
for (i = 0; i < dphy->csi_info.csi_num; i++) {
if (dphy->csi_info.dphy_vendor[i] == PHY_VENDOR_SAMSUNG) {
samsung_phy = (struct samsung_mipi_dcphy *)dphy->phy_hw[i];
if (samsung_phy)
clk_disable_unprepare(samsung_phy->pclk);
} else {
hw = (struct csi2_dphy_hw *)dphy->phy_hw[i];
if (hw)
clk_bulk_disable_unprepare(hw->num_clks, hw->clks_bulk);
}
}
}
static int csi2_dphy_s_stream(struct v4l2_subdev *sd, int on)
{
struct csi2_dphy *dphy = to_csi2_dphy(sd);
int ret = 0;
mutex_lock(&dphy->mutex);
if (on)
if (on) {
if (dphy->is_streaming) {
mutex_unlock(&dphy->mutex);
return 0;
}
ret = csi2_dphy_get_sensor_data_rate(sd);
if (ret < 0) {
mutex_unlock(&dphy->mutex);
return ret;
}
csi2_dphy_update_sensor_mbus(sd);
ret = csi2_dphy_update_config(sd);
if (ret < 0) {
mutex_unlock(&dphy->mutex);
return ret;
}
ret = csi2_dphy_enable_clk(dphy);
if (ret) {
mutex_unlock(&dphy->mutex);
return ret;
}
ret = csi2_dphy_s_stream_start(sd);
else
} else {
if (!dphy->is_streaming) {
mutex_unlock(&dphy->mutex);
return 0;
}
ret = csi2_dphy_s_stream_stop(sd);
csi2_dphy_disable_clk(dphy);
}
mutex_unlock(&dphy->mutex);
dev_info(dphy->dev, "%s stream on:%d, dphy%d\n",
__func__, on, dphy->phy_index);
dev_info(dphy->dev, "%s stream on:%d, dphy%d, ret %d\n",
__func__, on, dphy->phy_index, ret);
return ret;
}
@@ -312,15 +599,10 @@ static __maybe_unused int csi2_dphy_runtime_suspend(struct device *dev)
struct media_entity *me = dev_get_drvdata(dev);
struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(me);
struct csi2_dphy *dphy = to_csi2_dphy(sd);
struct csi2_dphy_hw *hw = dphy->dphy_hw;
struct samsung_mipi_dcphy *samsung_phy = dphy->samsung_phy;
if (dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG) {
if (samsung_phy)
clk_disable_unprepare(samsung_phy->pclk);
} else {
if (hw)
clk_bulk_disable_unprepare(hw->num_clks, hw->clks_bulk);
if (dphy->is_streaming) {
csi2_dphy_s_stream(sd, 0);
dphy->is_streaming = false;
}
return 0;
@@ -328,26 +610,6 @@ static __maybe_unused int csi2_dphy_runtime_suspend(struct device *dev)
static __maybe_unused int csi2_dphy_runtime_resume(struct device *dev)
{
struct media_entity *me = dev_get_drvdata(dev);
struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(me);
struct csi2_dphy *dphy = to_csi2_dphy(sd);
struct csi2_dphy_hw *hw = dphy->dphy_hw;
struct samsung_mipi_dcphy *samsung_phy = dphy->samsung_phy;
int ret;
if (dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG) {
if (samsung_phy)
clk_prepare_enable(samsung_phy->pclk);
} else {
if (hw) {
ret = clk_bulk_prepare_enable(hw->num_clks, hw->clks_bulk);
if (ret) {
dev_err(hw->dev, "failed to enable clks\n");
return ret;
}
}
}
return 0;
}
@@ -384,8 +646,55 @@ static int csi2_dphy_get_selection(struct v4l2_subdev *sd,
return v4l2_subdev_call(sensor, pad, get_selection, NULL, sel);
}
static long rkcif_csi2_dphy_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct csi2_dphy *dphy = to_csi2_dphy(sd);
long ret = 0;
switch (cmd) {
case RKCIF_CMD_SET_CSI_IDX:
if (dphy->drv_data->chip_id != CHIP_ID_RK3568 &&
dphy->drv_data->chip_id != CHIP_ID_RV1106)
dphy->csi_info = *((struct rkcif_csi_info *)arg);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long rkcif_csi2_dphy_compat_ioctl32(struct v4l2_subdev *sd,
unsigned int cmd, unsigned long arg)
{
void __user *up = compat_ptr(arg);
struct rkcif_csi_info csi_info = {0};
long ret;
switch (cmd) {
case RKCIF_CMD_SET_CSI_IDX:
if (copy_from_user(&csi_info, up, sizeof(struct rkcif_csi_info)))
return -EFAULT;
ret = rkcif_csi2_dphy_ioctl(sd, cmd, &csi_info);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static const struct v4l2_subdev_core_ops csi2_dphy_core_ops = {
.s_power = csi2_dphy_s_power,
.ioctl = rkcif_csi2_dphy_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = rkcif_csi2_dphy_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops csi2_dphy_video_ops = {
@@ -559,162 +868,32 @@ static int rockchip_csi2dphy_media_init(struct csi2_dphy *dphy)
return v4l2_async_register_subdev(&dphy->sd);
}
static int rockchip_csi2_dphy_attach_samsung_phy(struct csi2_dphy *dphy)
{
struct device *dev = dphy->dev;
struct phy *dcphy;
struct samsung_mipi_dcphy *dphy_hw;
int ret = 0;
dcphy = devm_phy_optional_get(dev, "dcphy");
if (IS_ERR(dcphy)) {
ret = PTR_ERR(dcphy);
dev_err(dphy->dev, "failed to get mipi dcphy: %d\n", ret);
return ret;
}
dphy_hw = phy_get_drvdata(dcphy);
dphy_hw->dphy_dev[dphy_hw->dphy_dev_num] = dphy;
dphy_hw->dphy_dev_num++;
dphy->samsung_phy = dphy_hw;
return 0;
}
static int rockchip_csi2_dphy_detach_samsung_phy(struct csi2_dphy *dphy)
{
struct samsung_mipi_dcphy *dphy_hw = dphy->samsung_phy;
struct csi2_dphy *csi2_dphy = NULL;
int i;
for (i = 0; i < dphy_hw->dphy_dev_num; i++) {
csi2_dphy = dphy_hw->dphy_dev[i];
if (csi2_dphy &&
csi2_dphy->phy_index == dphy->phy_index) {
dphy_hw->dphy_dev[i] = NULL;
dphy_hw->dphy_dev_num--;
break;
}
}
return 0;
}
static int rockchip_csi2_dphy_attach_hw(struct csi2_dphy *dphy)
{
struct platform_device *plat_dev;
struct device *dev = dphy->dev;
struct csi2_dphy_hw *dphy_hw;
struct device_node *np;
enum csi2_dphy_lane_mode target_mode;
int i;
if (dphy->phy_index % 3 == 0)
target_mode = LANE_MODE_FULL;
else
target_mode = LANE_MODE_SPLIT;
np = of_parse_phandle(dev->of_node, "rockchip,hw", 0);
if (!np || !of_device_is_available(np)) {
dev_err(dphy->dev,
"failed to get dphy%d hw node\n", dphy->phy_index);
return -ENODEV;
}
plat_dev = of_find_device_by_node(np);
of_node_put(np);
if (!plat_dev) {
dev_err(dphy->dev,
"failed to get dphy%d hw from node\n",
dphy->phy_index);
return -ENODEV;
}
dphy_hw = platform_get_drvdata(plat_dev);
if (!dphy_hw) {
dev_err(dphy->dev,
"failed attach dphy%d hw\n",
dphy->phy_index);
return -EINVAL;
}
if (dphy_hw->lane_mode == LANE_MODE_UNDEF) {
dphy_hw->lane_mode = target_mode;
} else {
struct csi2_dphy *phy = dphy_hw->dphy_dev[0];
for (i = 0; i < dphy_hw->dphy_dev_num; i++) {
if (dphy_hw->dphy_dev[i]->lane_mode == dphy_hw->lane_mode) {
phy = dphy_hw->dphy_dev[i];
break;
}
}
if (target_mode != dphy_hw->lane_mode) {
dev_err(dphy->dev,
"Err:csi2 dphy hw has been set as %s mode by phy%d, target mode is:%s\n",
dphy_hw->lane_mode == LANE_MODE_FULL ? "full" : "split",
phy->phy_index,
target_mode == LANE_MODE_FULL ? "full" : "split");
return -ENODEV;
}
}
dphy_hw->dphy_dev[dphy_hw->dphy_dev_num] = dphy;
dphy_hw->dphy_dev_num++;
dphy->dphy_hw = dphy_hw;
return 0;
}
static int rockchip_csi2_dphy_detach_hw(struct csi2_dphy *dphy)
{
struct csi2_dphy_hw *dphy_hw = dphy->dphy_hw;
struct csi2_dphy *csi2_dphy = NULL;
int i;
for (i = 0; i < dphy_hw->dphy_dev_num; i++) {
csi2_dphy = dphy_hw->dphy_dev[i];
if (csi2_dphy &&
csi2_dphy->phy_index == dphy->phy_index) {
dphy_hw->dphy_dev[i] = NULL;
dphy_hw->dphy_dev_num--;
break;
}
}
return 0;
}
static struct dphy_drv_data rk3568_dphy_drv_data = {
.dev_name = "csi2dphy",
.vendor = PHY_VENDOR_INNO,
.chip_id = CHIP_ID_RK3568,
.num_inno_phy = 1,
.num_samsung_phy = 0,
};
static struct dphy_drv_data rk3588_dcphy_drv_data = {
.dev_name = "csi2dcphy",
.vendor = PHY_VENDOR_SAMSUNG,
};
static struct rkmodule_csi_dphy_param rk3588_dcphy_param = {
.vendor = PHY_VENDOR_SAMSUNG,
.lp_vol_ref = 3,
.lp_hys_sw = {3, 0, 0, 0},
.lp_escclk_pol_sel = {1, 0, 0, 0},
.skew_data_cal_clk = {0, 3, 3, 3},
.clk_hs_term_sel = 2,
.data_hs_term_sel = {2, 2, 2, 2},
.reserved = {0},
static struct dphy_drv_data rk3588_dphy_drv_data = {
.dev_name = "csi2dphy",
.chip_id = CHIP_ID_RK3588,
.num_inno_phy = 2,
.num_samsung_phy = 2,
};
static struct dphy_drv_data rv1106_dphy_drv_data = {
.dev_name = "csi2dphy",
.vendor = PHY_VENDOR_INNO,
.chip_id = CHIP_ID_RV1106,
.num_inno_phy = 1,
.num_samsung_phy = 0,
};
static struct dphy_drv_data rk3562_dphy_drv_data = {
.dev_name = "csi2dphy",
.vendor = PHY_VENDOR_INNO,
.chip_id = CHIP_ID_RK3562,
.num_inno_phy = 2,
.num_samsung_phy = 0,
};
static const struct of_device_id rockchip_csi2_dphy_match_id[] = {
@@ -723,8 +902,8 @@ static const struct of_device_id rockchip_csi2_dphy_match_id[] = {
.data = &rk3568_dphy_drv_data,
},
{
.compatible = "rockchip,rk3588-csi2-dcphy",
.data = &rk3588_dcphy_drv_data,
.compatible = "rockchip,rk3588-csi2-dphy",
.data = &rk3588_dphy_drv_data,
},
{
.compatible = "rockchip,rv1106-csi2-dphy",
@@ -738,6 +917,79 @@ static const struct of_device_id rockchip_csi2_dphy_match_id[] = {
};
MODULE_DEVICE_TABLE(of, rockchip_csi2_dphy_match_id);
static int rockchip_csi2_dphy_get_samsung_phy_hw(struct csi2_dphy *dphy)
{
struct phy *dcphy;
struct device *dev = dphy->dev;
struct samsung_mipi_dcphy *dcphy_hw;
char phy_name[32];
int i = 0;
int ret = 0;
for (i = 0; i < dphy->drv_data->num_samsung_phy; i++) {
sprintf(phy_name, "dcphy%d", i);
dcphy = devm_phy_optional_get(dev, phy_name);
if (IS_ERR(dcphy)) {
ret = PTR_ERR(dcphy);
dev_err(dphy->dev, "failed to get mipi dcphy: %d\n", ret);
return ret;
}
dcphy_hw = phy_get_drvdata(dcphy);
dphy->samsung_phy_group[i] = dcphy_hw;
}
return 0;
}
static int rockchip_csi2_dphy_get_inno_phy_hw(struct csi2_dphy *dphy)
{
struct platform_device *plat_dev;
struct device *dev = dphy->dev;
struct csi2_dphy_hw *dphy_hw;
struct device_node *np;
int i = 0;
for (i = 0; i < dphy->drv_data->num_inno_phy; i++) {
np = of_parse_phandle(dev->of_node, "rockchip,hw", i);
if (!np || !of_device_is_available(np)) {
dev_err(dphy->dev,
"failed to get dphy%d hw node\n", dphy->phy_index);
return -ENODEV;
}
plat_dev = of_find_device_by_node(np);
of_node_put(np);
if (!plat_dev) {
dev_err(dphy->dev,
"failed to get dphy%d hw from node\n",
dphy->phy_index);
return -ENODEV;
}
dphy_hw = platform_get_drvdata(plat_dev);
if (!dphy_hw) {
dev_err(dphy->dev,
"failed attach dphy%d hw\n",
dphy->phy_index);
return -EINVAL;
}
dphy->dphy_hw_group[i] = dphy_hw;
}
return 0;
}
static int rockchip_csi2_dphy_get_hw(struct csi2_dphy *dphy)
{
int ret = 0;
if (dphy->drv_data->chip_id == CHIP_ID_RK3588) {
ret = rockchip_csi2_dphy_get_samsung_phy_hw(dphy);
if (ret)
return ret;
ret = rockchip_csi2_dphy_get_inno_phy_hw(dphy);
} else {
ret = rockchip_csi2_dphy_get_inno_phy_hw(dphy);
}
return ret;
}
static int rockchip_csi2_dphy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -757,22 +1009,22 @@ static int rockchip_csi2_dphy_probe(struct platform_device *pdev)
return -EINVAL;
drv_data = of_id->data;
csi2dphy->drv_data = drv_data;
csi2dphy->phy_index = of_alias_get_id(dev->of_node, drv_data->dev_name);
if (csi2dphy->phy_index < 0 || csi2dphy->phy_index >= PHY_MAX)
csi2dphy->phy_index = 0;
if (csi2dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG) {
ret = rockchip_csi2_dphy_attach_samsung_phy(csi2dphy);
csi2dphy->dphy_param = rk3588_dcphy_param;
} else {
ret = rockchip_csi2_dphy_attach_hw(csi2dphy);
}
if (ret) {
dev_err(dev,
"csi2 dphy hw can't be attached, register dphy%d failed!\n",
csi2dphy->phy_index);
return -ENODEV;
}
ret = rockchip_csi2_dphy_get_hw(csi2dphy);
if (ret)
return -EINVAL;
if (csi2dphy->drv_data->chip_id == CHIP_ID_RK3568 ||
csi2dphy->drv_data->chip_id == CHIP_ID_RV1106) {
csi2dphy->csi_info.csi_num = 1;
csi2dphy->csi_info.dphy_vendor[0] = PHY_VENDOR_INNO;
rockchip_csi2_dphy_attach_hw(csi2dphy, 0, 0);
} else {
csi2dphy->csi_info.csi_num = 0;
}
sd = &csi2dphy->sd;
mutex_init(&csi2dphy->mutex);
v4l2_subdev_init(sd, &csi2_dphy_subdev_ops);
@@ -795,12 +1047,7 @@ static int rockchip_csi2_dphy_probe(struct platform_device *pdev)
detach_hw:
mutex_destroy(&csi2dphy->mutex);
if (csi2dphy->drv_data->vendor == PHY_VENDOR_SAMSUNG)
rockchip_csi2_dphy_detach_samsung_phy(csi2dphy);
else
rockchip_csi2_dphy_detach_hw(csi2dphy);
return 0;
return -EINVAL;
}
static int rockchip_csi2_dphy_remove(struct platform_device *pdev)
@@ -808,7 +1055,10 @@ static int rockchip_csi2_dphy_remove(struct platform_device *pdev)
struct media_entity *me = platform_get_drvdata(pdev);
struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(me);
struct csi2_dphy *dphy = to_csi2_dphy(sd);
int i = 0;
for (i = 0; i < dphy->csi_info.csi_num; i++)
rockchip_csi2_dphy_detach_hw(dphy, dphy->csi_info.csi_idx[i], i);
media_entity_cleanup(&sd->entity);
pm_runtime_disable(&pdev->dev);

10
drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
View File

@@ -1269,9 +1269,9 @@ static const struct hsfreq_range samsung_cphy_rx_hsfreq_ranges[] = {
{ 500, 0x102}, { 990, 0x002}, { 2500, 0x001},
};
static void samsung_mipi_dcphy_bias_block_enable(struct samsung_mipi_dcphy *samsung)
static void samsung_mipi_dcphy_bias_block_enable(struct samsung_mipi_dcphy *samsung,
struct csi2_dphy *csi_dphy)
{
struct csi2_dphy *csi_dphy = samsung->dphy_dev[0];
u32 bias_con2 = 0x3223;
if (csi_dphy &&
@@ -1701,7 +1701,7 @@ static void samsung_mipi_dphy_power_on(struct samsung_mipi_dcphy *samsung)
{
reset_control_assert(samsung->m_phy_rst);
samsung_mipi_dcphy_bias_block_enable(samsung);
samsung_mipi_dcphy_bias_block_enable(samsung, NULL);
samsung_mipi_dcphy_pll_configure(samsung);
samsung_mipi_dphy_clk_lane_timing_init(samsung);
samsung_mipi_dphy_data_lane_timing_init(samsung);
@@ -1721,7 +1721,7 @@ static void samsung_mipi_cphy_power_on(struct samsung_mipi_dcphy *samsung)
regmap_write(samsung->grf_regmap, MIPI_DCPHY_GRF_CON0, M_CPHY_MODE);
reset_control_assert(samsung->m_phy_rst);
samsung_mipi_dcphy_bias_block_enable(samsung);
samsung_mipi_dcphy_bias_block_enable(samsung, NULL);
samsung_mipi_dcphy_hs_vreg_amp_configure(samsung);
samsung_mipi_dcphy_pll_configure(samsung);
samsung_mipi_cphy_timing_init(samsung);
@@ -2207,7 +2207,7 @@ static int samsung_dcphy_rx_stream_on(struct csi2_dphy *dphy,
if (samsung->s_phy_rst)
reset_control_assert(samsung->s_phy_rst);
samsung_mipi_dcphy_bias_block_enable(samsung);
samsung_mipi_dcphy_bias_block_enable(samsung, dphy);
ret = samsung_dcphy_rx_config_common(dphy, sensor);
if (ret)
goto out_streamon;