From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/media/i2c/dw9714.c | 873 ++++++++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 721 insertions(+), 152 deletions(-)
diff --git a/kernel/drivers/media/i2c/dw9714.c b/kernel/drivers/media/i2c/dw9714.c
index 6e425c2..685234a 100644
--- a/kernel/drivers/media/i2c/dw9714.c
+++ b/kernel/drivers/media/i2c/dw9714.c
@@ -2,7 +2,7 @@
/*
* dw9714 vcm driver
*
- * Copyright (C) 2019 Fuzhou Rockchip Electronics Co., Ltd.
+ * Copyright (C) 2022 Fuzhou Rockchip Electronics Co., Ltd.
*/
#include <linux/delay.h>
@@ -14,12 +14,15 @@
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <linux/rk_vcm_head.h>
+#include <linux/compat.h>
+#include <linux/regulator/consumer.h>
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x0)
#define DW9714_NAME "dw9714"
-#define DW9714_MAX_CURRENT 100U
+#define DW9714_MAX_CURRENT 120U
#define DW9714_MAX_REG 1023U
+#define DW9714_GRADUAL_MOVELENS_STEPS 32
#define DW9714_DEFAULT_START_CURRENT 0
#define DW9714_DEFAULT_RATED_CURRENT 100
@@ -29,32 +32,73 @@
#define DW9714_DEFAULT_T_SRC 0x0
#define REG_NULL 0xFF
+/* dw9714p advanced mode */
+#define DW9714_ADVMODE_IC_INFO 0x00
+#define DW9714_ADVMODE_IC_VER 0x01
+#define DW9714_ADVMODE_CONTROL 0x02
+#define DW9714_ADVMODE_VCM_MSB 0x03
+#define DW9714_ADVMODE_VCM_LSB 0x04
+#define DW9714_ADVMODE_STATUS 0x05
+#define DW9714_ADVMODE_SAC_CFG 0x06
+#define DW9714_ADVMODE_PRESC 0x07
+#define DW9714_ADVMODE_SAC_TIME 0x08
+#define DW9714_ADVMODE_PRESET 0x09
+#define DW9714_ADVMODE_NRC 0x0A
+#define DW9714_ADVMODE_RING_EN 1
+
+#define DW9714_DEFAULT_ADVMODE 0x00
+#define DW9714_DEFAULT_SAC_MODE 0x04
+#define DW9714_DEFAULT_SAC_TIME 0x0A
+#define DW9714_DEFAULT_SAC_PRESCL 0x02
+#define DW9714_DEFAULT_NRC_EN 0x00
+#define DW9714_DEFAULT_NRC_MODE 0x00
+#define DW9714_DEFAULT_NRC_PRESET 0x00
+#define DW9714_DEFAULT_NRC_INFL 0x00
+#define DW9714_DEFAULT_NRC_TIME 0x00
+
/* dw9714 device structure */
struct dw9714_device {
struct v4l2_ctrl_handler ctrls_vcm;
+ struct v4l2_ctrl *focus;
struct v4l2_subdev sd;
struct v4l2_device vdev;
u16 current_val;
unsigned short current_related_pos;
unsigned short current_lens_pos;
+ unsigned int max_current;
unsigned int start_current;
unsigned int rated_current;
- unsigned int step;
unsigned int step_mode;
unsigned int vcm_movefull_t;
unsigned int dlc_enable;
unsigned int t_src;
unsigned int mclk;
+ unsigned int max_logicalpos;
- struct timeval start_move_tv;
- struct timeval end_move_tv;
+ /* advanced mode*/
+ unsigned char adcanced_mode;
+ unsigned char sac_mode;
+ unsigned char sac_time;
+ unsigned char sac_prescl;
+ unsigned char nrc_en;
+ unsigned char nrc_mode;
+ unsigned char nrc_preset;
+ unsigned char nrc_infl;
+ unsigned char nrc_time;
+
+ struct __kernel_old_timeval start_move_tv;
+ struct __kernel_old_timeval end_move_tv;
unsigned long move_ms;
u32 module_index;
const char *module_facing;
struct rk_cam_vcm_cfg vcm_cfg;
- int max_ma;
+
+ struct gpio_desc *xsd_gpio;
+ struct regulator *supply;
+ struct i2c_client *client;
+ bool power_on;
};
struct TimeTabel_s {
@@ -183,7 +227,7 @@
msleep(20);
}
dev_err(&client->dev,
- "%s: i2c write to failed with error %d\n", __func__, ret);
+ "%s: i2c read to failed with error %d\n", __func__, ret);
return ret;
}
@@ -221,12 +265,90 @@
dev_info(&client->dev,
"retrying I2C... %d\n", retries);
- retries++;
msleep(20);
}
dev_err(&client->dev,
"i2c write to failed with error %d\n", ret);
return ret;
+}
+
+/* Write registers up to 4 at a time */
+static int dw9714_write_reg(struct i2c_client *client, u8 reg, u32 len, u32 val)
+{
+ u32 buf_i, val_i, retries;
+ u8 buf[5];
+ u8 *val_p;
+ __be32 val_be;
+
+ if (len > 4)
+ return -EINVAL;
+
+ buf[0] = reg;
+
+ val_be = cpu_to_be32(val);
+ val_p = (u8 *)&val_be;
+ buf_i = 1;
+ val_i = 4 - len;
+
+ while (val_i < 4)
+ buf[buf_i++] = val_p[val_i++];
+
+ for (retries = 0; retries < 5; retries++) {
+ if (i2c_master_send(client, buf, len + 1) == len + 1) {
+ dev_dbg(&client->dev,
+ "%s: vcm i2c ok, reg 0x%x, val 0x%x, len 0x%x\n",
+ __func__, reg, val, len);
+ return 0;
+ }
+
+ dev_info(&client->dev,
+ "retrying I2C... %d\n", retries);
+ msleep(20);
+ }
+
+ dev_err(&client->dev, "Failed to write 0x%04x,0x%x\n", reg, val);
+ return -EIO;
+}
+
+/* Read registers up to 4 at a time */
+static int dw9714_read_reg(struct i2c_client *client, u8 reg, u32 len, u32 *val)
+{
+ struct i2c_msg msgs[2];
+ __be32 data_be = 0;
+ u8 *data_be_p;
+ u32 retries;
+ int ret;
+
+ if (len > 4 || !len)
+ return -EINVAL;
+
+ data_be_p = (u8 *)&data_be;
+ /* Write register address */
+ msgs[0].addr = client->addr;
+ msgs[0].flags = 0;
+ msgs[0].len = 1;
+ msgs[0].buf = (u8 *)®
+
+ /* Read data from register */
+ msgs[1].addr = client->addr;
+ msgs[1].flags = I2C_M_RD;
+ msgs[1].len = len;
+ msgs[1].buf = &data_be_p[4 - len];
+
+ for (retries = 0; retries < 5; retries++) {
+ ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (ret == ARRAY_SIZE(msgs)) {
+ *val = be32_to_cpu(data_be);
+ dev_dbg(&client->dev,
+ "%s: vcm i2c ok, reg 0x%x, val 0x%x\n",
+ __func__, reg, *val);
+ return 0;
+ }
+ }
+
+ dev_err(&client->dev,
+ "%s: i2c read to failed with error %d\n", __func__, ret);
+ return -EIO;
}
static unsigned int dw9714_move_time(struct dw9714_device *dev_vcm,
@@ -238,10 +360,16 @@
unsigned int step_period_dlc = 0;
unsigned int codes_per_step = 1;
unsigned int step_case;
+ unsigned int sac_prescl;
int table_cnt = 0;
int i = 0;
- if (dev_vcm->dlc_enable) {
+ if (dev_vcm->adcanced_mode) {
+ // sac setting time = tvib = (3.81ms+(SACT[6:0]*0.03ms)) * PRESC[1:0]))
+ sac_prescl = 1 << dev_vcm->sac_prescl;
+ move_time_ms = (((381 + 3 * dev_vcm->sac_time)) * sac_prescl + 99) / 100;
+ return move_time_ms;
+ } else if (dev_vcm->dlc_enable) {
step_case = dev_vcm->mclk & 0x3;
table_cnt = sizeof(dw9714_dlc_time_table) /
sizeof(struct TimeTabel_s);
@@ -301,8 +429,7 @@
return move_time_ms;
}
-static int dw9714_get_pos(struct dw9714_device *dev_vcm,
- unsigned int *cur_pos)
+static int dw9714_get_dac(struct dw9714_device *dev_vcm, unsigned int *cur_dac)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd);
int ret;
@@ -310,22 +437,21 @@
unsigned char msb = 0;
unsigned int abs_step;
- ret = dw9714_read_msg(client, &msb, &lsb);
- if (ret != 0)
- goto err;
+ if (dev_vcm->adcanced_mode) {
+ ret = dw9714_read_reg(client, DW9714_ADVMODE_VCM_MSB, 2, &abs_step);
+ if (ret != 0)
+ goto err;
+ } else {
+ ret = dw9714_read_msg(client, &msb, &lsb);
+ if (ret != 0)
+ goto err;
- abs_step = (((unsigned int)(msb & 0x3FU)) << 4U) |
- (((unsigned int)lsb) >> 4U);
- if (abs_step <= dev_vcm->start_current)
- abs_step = VCMDRV_MAX_LOG;
- else if ((abs_step > dev_vcm->start_current) &&
- (abs_step <= dev_vcm->rated_current))
- abs_step = (dev_vcm->rated_current - abs_step) / dev_vcm->step;
- else
- abs_step = 0;
+ abs_step = (((unsigned int)(msb & 0x3FU)) << 4U) |
+ (((unsigned int)lsb) >> 4U);
+ }
- *cur_pos = abs_step;
- dev_dbg(&client->dev, "%s: get position %d\n", __func__, *cur_pos);
+ *cur_dac = abs_step;
+ dev_dbg(&client->dev, "%s: get dac %d\n", __func__, *cur_dac);
return 0;
err:
@@ -334,37 +460,113 @@
return ret;
}
+static int dw9714_set_dac(struct dw9714_device *dev_vcm,
+ unsigned int dest_dac)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd);
+ int ret;
+
+ if (dev_vcm->adcanced_mode) {
+ unsigned int i;
+ bool vcm_idle = false;
+
+ /* wait for I2C bus idle */
+ vcm_idle = false;
+ for (i = 0; i < 10; i++) {
+ unsigned int status = 0;
+
+ dw9714_read_reg(client, DW9714_ADVMODE_STATUS, 1, &status);
+ status &= 0x01;
+ if (status == 0) {
+ vcm_idle = true;
+ break;
+ }
+ usleep_range(1000, 1200);
+ }
+
+ if (!vcm_idle) {
+ dev_err(&client->dev,
+ "%s: watting 0x05 flag timeout!\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ /* vcm move */
+ ret = dw9714_write_reg(client, DW9714_ADVMODE_VCM_MSB,
+ 2, dest_dac);
+ if (ret != 0)
+ goto err;
+ } else {
+ unsigned char msb, lsb;
+
+ msb = (0x00U | ((dest_dac & 0x3F0U) >> 4U));
+ lsb = (((dest_dac & 0x0FU) << 4U) | dev_vcm->step_mode);
+ ret = dw9714_write_msg(client, msb, lsb);
+ if (ret != 0)
+ goto err;
+ }
+
+ return ret;
+err:
+ dev_err(&client->dev,
+ "%s: failed with error %d\n", __func__, ret);
+ return ret;
+}
+
+static int dw9714_get_pos(struct dw9714_device *dev_vcm,
+ unsigned int *cur_pos)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd);
+ unsigned int dac, position, range;
+ int ret;
+
+ range = dev_vcm->rated_current - dev_vcm->start_current;
+ ret = dw9714_get_dac(dev_vcm, &dac);
+ if (!ret) {
+ if (dac <= dev_vcm->start_current) {
+ position = dev_vcm->max_logicalpos;
+ } else if ((dac > dev_vcm->start_current) &&
+ (dac <= dev_vcm->rated_current)) {
+ position = (dac - dev_vcm->start_current) * dev_vcm->max_logicalpos / range;
+ position = dev_vcm->max_logicalpos - position;
+ } else {
+ position = 0;
+ }
+
+ *cur_pos = position;
+
+ dev_dbg(&client->dev, "%s: get position %d, dac %d\n", __func__, *cur_pos, dac);
+ return 0;
+ }
+
+ dev_err(&client->dev,
+ "%s: failed with error %d\n", __func__, ret);
+ return ret;
+}
+
static int dw9714_set_pos(struct dw9714_device *dev_vcm,
unsigned int dest_pos)
{
- int ret;
- unsigned char lsb = 0;
- unsigned char msb = 0;
- unsigned int position = 0;
struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd);
+ unsigned int position;
+ unsigned int range;
+ int ret;
- if (dest_pos >= VCMDRV_MAX_LOG)
+ range = dev_vcm->rated_current - dev_vcm->start_current;
+ if (dest_pos >= dev_vcm->max_logicalpos)
position = dev_vcm->start_current;
else
position = dev_vcm->start_current +
- (dev_vcm->step * (VCMDRV_MAX_LOG - dest_pos));
+ (range * (dev_vcm->max_logicalpos - dest_pos) / dev_vcm->max_logicalpos);
if (position > DW9714_MAX_REG)
position = DW9714_MAX_REG;
dev_vcm->current_lens_pos = position;
dev_vcm->current_related_pos = dest_pos;
- msb = (0x00U | ((dev_vcm->current_lens_pos & 0x3F0U) >> 4U));
- lsb = (((dev_vcm->current_lens_pos & 0x0FU) << 4U) |
- dev_vcm->step_mode);
- ret = dw9714_write_msg(client, msb, lsb);
- if (ret != 0)
- goto err;
- return ret;
-err:
- dev_err(&client->dev,
- "%s: failed with error %d\n", __func__, ret);
+ ret = dw9714_set_dac(dev_vcm, position);
+ dev_dbg(&client->dev, "%s: set position %d, dac %d\n", __func__, dest_pos, position);
+
return ret;
}
@@ -388,10 +590,10 @@
int ret = 0;
if (ctrl->id == V4L2_CID_FOCUS_ABSOLUTE) {
- if (dest_pos > VCMDRV_MAX_LOG) {
- dev_info(&client->dev,
+ if (dest_pos > dev_vcm->max_logicalpos) {
+ dev_err(&client->dev,
"%s dest_pos is error. %d > %d\n",
- __func__, dest_pos, VCMDRV_MAX_LOG);
+ __func__, dest_pos, dev_vcm->max_logicalpos);
return -EINVAL;
}
/* calculate move time */
@@ -400,18 +602,18 @@
move_pos = -move_pos;
ret = dw9714_set_pos(dev_vcm, dest_pos);
-
- if (dev_vcm->dlc_enable)
+ if (dev_vcm->dlc_enable || dev_vcm->adcanced_mode)
dev_vcm->move_ms = dev_vcm->vcm_movefull_t;
else
dev_vcm->move_ms =
- ((dev_vcm->vcm_movefull_t * (uint32_t)move_pos) / VCMDRV_MAX_LOG);
+ ((dev_vcm->vcm_movefull_t * (uint32_t)move_pos) /
+ dev_vcm->max_logicalpos);
dev_dbg(&client->dev,
- "dest_pos %d, move_ms %ld\n",
- dest_pos, dev_vcm->move_ms);
+ "dest_pos %d, dac %d, move_ms %ld\n",
+ dest_pos, dev_vcm->current_lens_pos, dev_vcm->move_ms);
- dev_vcm->start_move_tv = ns_to_timeval(ktime_get_ns());
+ dev_vcm->start_move_tv = ns_to_kernel_old_timeval(ktime_get_ns());
mv_us = dev_vcm->start_move_tv.tv_usec +
dev_vcm->move_ms * 1000;
if (mv_us >= 1000000) {
@@ -433,8 +635,98 @@
.s_ctrl = dw9714_set_ctrl,
};
+static int dw9714_init(struct i2c_client *client)
+{
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct dw9714_device *dw9714_dev = sd_to_dw9714_vcm(sd);
+ unsigned char data = 0x0;
+ int ret = 0;
+
+ if (dw9714_dev->adcanced_mode) {
+ // need to wait 1ms after poweron
+ usleep_range(1000, 1200);
+ // Advanced Mode
+ ret = dw9714_write_msg(client, 0xED, 0xAB);
+ if (ret)
+ goto err;
+ // Power down
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_CONTROL, 0x01);
+ if (ret)
+ goto err;
+ // active
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_CONTROL, 0x00);
+ if (ret)
+ goto err;
+ // delay 1ms
+ usleep_range(1000, 1200);
+ // SAC mode & nrc_time & nrc_infl
+ data = DW9714_ADVMODE_RING_EN << 7 |
+ (dw9714_dev->nrc_infl & 0x3) << 5 |
+ (dw9714_dev->nrc_time & 0x1) << 4 |
+ (dw9714_dev->sac_mode & 0xF);
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_SAC_CFG, data);
+ if (ret)
+ goto err;
+ // Set Tvib (PRESC[1:0] )
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_PRESC, dw9714_dev->sac_prescl);
+ if (ret)
+ goto err;
+ // Set Tvib (SACT[6:0] )
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_SAC_TIME, dw9714_dev->sac_time);
+ if (ret)
+ goto err;
+ // nrc preset
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_PRESET, dw9714_dev->nrc_preset);
+ if (ret)
+ goto err;
+ // nrc en & nrc mode
+ data = (dw9714_dev->nrc_en & 0x1) << 1 |
+ (dw9714_dev->nrc_mode & 0x1);
+ ret = dw9714_write_msg(client, DW9714_ADVMODE_NRC, data);
+ if (ret)
+ goto err;
+ } else {
+ // need to wait 12ms after poweron
+ usleep_range(12000, 12500);
+
+ ret = dw9714_write_msg(client, 0xEC, 0xA3);
+ if (ret)
+ goto err;
+
+ data = (dw9714_dev->mclk & 0x3) | 0x04 |
+ ((dw9714_dev->dlc_enable << 0x3) & 0x08);
+ ret = dw9714_write_msg(client, 0xA1, data);
+ if (ret)
+ goto err;
+
+ data = (dw9714_dev->t_src << 0x3) & 0xf8;
+ ret = dw9714_write_msg(client, 0xF2, data);
+ if (ret)
+ goto err;
+
+ ret = dw9714_write_msg(client, 0xDC, 0x51);
+ if (ret)
+ goto err;
+
+ /* set normal mode */
+ ret = dw9714_write_msg(client, 0xDF, 0x5B);
+ if (ret != 0)
+ dev_err(&client->dev,
+ "%s: failed with error %d\n", __func__, ret);
+ }
+
+ return 0;
+err:
+ dev_err(&client->dev, "failed with error %d\n", ret);
+ return -1;
+}
+
static int dw9714_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
+ struct dw9714_device *dev_vcm = sd_to_dw9714_vcm(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ unsigned int move_time;
+ int dac = 0;
int rval;
rval = pm_runtime_get_sync(sd->dev);
@@ -443,11 +735,50 @@
return rval;
}
+ dw9714_init(client);
+
+ dev_dbg(&client->dev, "%s: current_lens_pos %d, current_related_pos %d\n",
+ __func__, dev_vcm->current_lens_pos, dev_vcm->current_related_pos);
+ move_time = 1000 * dw9714_move_time(dev_vcm, DW9714_GRADUAL_MOVELENS_STEPS);
+ while (dac <= dev_vcm->current_lens_pos) {
+ dw9714_set_dac(dev_vcm, dac);
+ usleep_range(move_time, move_time + 1000);
+ dac += DW9714_GRADUAL_MOVELENS_STEPS;
+ if (dac >= dev_vcm->current_lens_pos)
+ break;
+ }
+
+ if (dac > dev_vcm->current_lens_pos) {
+ dac = dev_vcm->current_lens_pos;
+ dw9714_set_dac(dev_vcm, dac);
+ }
+
return 0;
}
static int dw9714_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
+ struct dw9714_device *dev_vcm = sd_to_dw9714_vcm(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ int dac = dev_vcm->current_lens_pos;
+ unsigned int move_time;
+
+ dev_dbg(&client->dev, "%s: current_lens_pos %d, current_related_pos %d\n",
+ __func__, dev_vcm->current_lens_pos, dev_vcm->current_related_pos);
+ move_time = 1000 * dw9714_move_time(dev_vcm, DW9714_GRADUAL_MOVELENS_STEPS);
+ while (dac >= 0) {
+ dw9714_set_dac(dev_vcm, dac);
+ usleep_range(move_time, move_time + 1000);
+ dac -= DW9714_GRADUAL_MOVELENS_STEPS;
+ if (dac <= 0)
+ break;
+ }
+
+ if (dac < 0) {
+ dac = 0;
+ dw9714_set_dac(dev_vcm, dac);
+ }
+
pm_runtime_put(sd->dev);
return 0;
@@ -461,28 +792,24 @@
static void dw9714_update_vcm_cfg(struct dw9714_device *dev_vcm)
{
struct i2c_client *client = v4l2_get_subdevdata(&dev_vcm->sd);
- int cur_dist;
- if (dev_vcm->max_ma == 0) {
+ if (dev_vcm->max_current == 0) {
dev_err(&client->dev, "max current is zero");
return;
}
- cur_dist = dev_vcm->vcm_cfg.rated_ma - dev_vcm->vcm_cfg.start_ma;
- cur_dist = cur_dist * DW9714_MAX_REG / dev_vcm->max_ma;
- dev_vcm->step = (cur_dist + (VCMDRV_MAX_LOG - 1)) / VCMDRV_MAX_LOG;
dev_vcm->start_current = dev_vcm->vcm_cfg.start_ma *
- DW9714_MAX_REG / dev_vcm->max_ma;
- dev_vcm->rated_current = dev_vcm->start_current +
- VCMDRV_MAX_LOG * dev_vcm->step;
+ DW9714_MAX_REG / dev_vcm->max_current;
+ dev_vcm->rated_current = dev_vcm->vcm_cfg.rated_ma *
+ DW9714_MAX_REG / dev_vcm->max_current;
dev_vcm->step_mode = dev_vcm->vcm_cfg.step_mode;
dev_dbg(&client->dev,
- "vcm_cfg: %d, %d, %d, max_ma %d\n",
+ "vcm_cfg: %d, %d, %d, max_current %d\n",
dev_vcm->vcm_cfg.start_ma,
dev_vcm->vcm_cfg.rated_ma,
dev_vcm->vcm_cfg.step_mode,
- dev_vcm->max_ma);
+ dev_vcm->max_current);
}
static long dw9714_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
@@ -491,6 +818,7 @@
struct i2c_client *client = v4l2_get_subdevdata(sd);
struct rk_cam_vcm_tim *vcm_tim;
struct rk_cam_vcm_cfg *vcm_cfg;
+ unsigned int max_logicalpos;
int ret = 0;
if (cmd == RK_VIDIOC_VCM_TIMEINFO) {
@@ -520,6 +848,16 @@
dev_vcm->vcm_cfg.rated_ma = vcm_cfg->rated_ma;
dev_vcm->vcm_cfg.step_mode = vcm_cfg->step_mode;
dw9714_update_vcm_cfg(dev_vcm);
+ } else if (cmd == RK_VIDIOC_SET_VCM_MAX_LOGICALPOS) {
+ max_logicalpos = *(unsigned int *)arg;
+
+ if (max_logicalpos > 0) {
+ dev_vcm->max_logicalpos = max_logicalpos;
+ __v4l2_ctrl_modify_range(dev_vcm->focus,
+ 0, dev_vcm->max_logicalpos, 1, dev_vcm->max_logicalpos);
+ }
+ dev_dbg(&client->dev,
+ "max_logicalpos %d\n", max_logicalpos);
} else {
dev_err(&client->dev,
"cmd 0x%x not supported\n", cmd);
@@ -538,6 +876,7 @@
struct rk_cam_compat_vcm_tim compat_vcm_tim;
struct rk_cam_vcm_tim vcm_tim;
struct rk_cam_vcm_cfg vcm_cfg;
+ unsigned int max_logicalpos;
long ret;
if (cmd == RK_VIDIOC_COMPAT_VCM_TIMEINFO) {
@@ -559,12 +898,23 @@
&p32->vcm_end_t.tv_usec);
} else if (cmd == RK_VIDIOC_GET_VCM_CFG) {
ret = dw9714_ioctl(sd, RK_VIDIOC_GET_VCM_CFG, &vcm_cfg);
- if (!ret)
+ if (!ret) {
ret = copy_to_user(up, &vcm_cfg, sizeof(vcm_cfg));
+ if (ret)
+ ret = -EFAULT;
+ }
} else if (cmd == RK_VIDIOC_SET_VCM_CFG) {
ret = copy_from_user(&vcm_cfg, up, sizeof(vcm_cfg));
if (!ret)
ret = dw9714_ioctl(sd, cmd, &vcm_cfg);
+ else
+ ret = -EFAULT;
+ } else if (cmd == RK_VIDIOC_SET_VCM_MAX_LOGICALPOS) {
+ ret = copy_from_user(&max_logicalpos, up, sizeof(max_logicalpos));
+ if (!ret)
+ ret = dw9714_ioctl(sd, cmd, &max_logicalpos);
+ else
+ ret = -EFAULT;
} else {
dev_err(&client->dev,
"cmd 0x%x not supported\n", cmd);
@@ -601,8 +951,8 @@
v4l2_ctrl_handler_init(hdl, 1);
- v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FOCUS_ABSOLUTE,
- 0, VCMDRV_MAX_LOG, 1, VCMDRV_MAX_LOG);
+ dev_vcm->focus = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_FOCUS_ABSOLUTE,
+ 0, dev_vcm->max_logicalpos, 1, dev_vcm->max_logicalpos);
if (hdl->error)
dev_err(dev_vcm->sd.dev, "%s fail error: 0x%x\n",
@@ -611,97 +961,351 @@
return hdl->error;
}
-static int dw9714_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+#define USED_SYS_DEBUG
+#ifdef USED_SYS_DEBUG
+static ssize_t set_dacval(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
{
- struct device_node *np = of_node_get(client->dev.of_node);
- struct dw9714_device *dw9714_dev;
- unsigned int max_ma, start_ma, rated_ma, step_mode;
- unsigned int dlc_en, mclk, t_src;
- struct v4l2_subdev *sd;
- char facing[2];
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct dw9714_device *dev_vcm = sd_to_dw9714_vcm(sd);
+ int val = 0;
+ int ret = 0;
+
+ ret = kstrtoint(buf, 0, &val);
+ if (!ret)
+ dw9714_set_dac(dev_vcm, val);
+
+ return count;
+}
+
+static ssize_t get_dacval(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct dw9714_device *dev_vcm = sd_to_dw9714_vcm(sd);
+ unsigned int dac = 0;
+
+ dw9714_get_dac(dev_vcm, &dac);
+ return sprintf(buf, "%u\n", dac);
+}
+
+static struct device_attribute attributes[] = {
+ __ATTR(dacval, 0600, get_dacval, set_dacval),
+};
+
+static int add_sysfs_interfaces(struct device *dev)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(attributes); i++)
+ if (device_create_file(dev, attributes + i))
+ goto undo;
+ return 0;
+undo:
+ for (i--; i >= 0 ; i--)
+ device_remove_file(dev, attributes + i);
+ dev_err(dev, "%s: failed to create sysfs interface\n", __func__);
+ return -ENODEV;
+}
+
+static int remove_sysfs_interfaces(struct device *dev)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(attributes); i++)
+ device_remove_file(dev, attributes + i);
+ return 0;
+}
+#else
+static inline int add_sysfs_interfaces(struct device *dev)
+{
+ return 0;
+}
+
+static inline int remove_sysfs_interfaces(struct device *dev)
+{
+ return 0;
+}
+#endif
+
+static int dw9714_set_power(struct dw9714_device *dw9714, bool on)
+{
+ struct i2c_client *client = dw9714->client;
+ int ret = 0;
+
+ dev_info(&client->dev, "%s(%d) on(%d)\n", __func__, __LINE__, on);
+
+ if (dw9714->power_on == !!on)
+ goto unlock_and_return;
+
+ if (on) {
+ ret = regulator_enable(dw9714->supply);
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed to enable regulator\n");
+ goto unlock_and_return;
+ }
+ dw9714->power_on = true;
+ } else {
+ ret = regulator_disable(dw9714->supply);
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed to disable regulator\n");
+ goto unlock_and_return;
+ }
+ dw9714->power_on = false;
+ }
+
+unlock_and_return:
+ return ret;
+}
+
+static int dw9714_check_i2c(struct dw9714_device *dw9714,
+ struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
int ret;
- dev_info(&client->dev, "probing...\n");
+ if (dw9714->adcanced_mode) {
+ // need to wait 1ms after poweron
+ usleep_range(1000, 1200);
+ // Advanced Mode
+ ret = dw9714_write_msg(client, 0xED, 0xAB);
+ } else {
+ // need to wait 12ms after poweron
+ usleep_range(12000, 12500);
+ ret = dw9714_write_msg(client, 0xEC, 0xA3);
+ }
+ if (!ret)
+ dev_info(dev, "check dw9714 connection OK!\n");
+ else
+ dev_info(dev, "dw9714 not connect!\n");
+
+ return ret;
+}
+
+static int dw9714_configure_regulator(struct dw9714_device *dw9714)
+{
+ struct i2c_client *client = dw9714->client;
+ int ret = 0;
+
+ dw9714->supply = devm_regulator_get(&client->dev, "avdd");
+ if (IS_ERR(dw9714->supply)) {
+ ret = PTR_ERR(dw9714->supply);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&client->dev, "could not get regulator avdd\n");
+ return ret;
+ }
+ dw9714->power_on = false;
+ return ret;
+}
+
+static int dw9714_parse_dt_property(struct i2c_client *client,
+ struct dw9714_device *dev_vcm)
+{
+ struct device_node *np = of_node_get(client->dev.of_node);
+ int ret;
+
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_MAX_CURRENT,
- (unsigned int *)&max_ma)) {
- max_ma = DW9714_MAX_CURRENT;
+ (unsigned int *)&dev_vcm->max_current)) {
+ dev_vcm->max_current = DW9714_MAX_CURRENT;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_MAX_CURRENT);
}
- if (max_ma == 0)
- max_ma = DW9714_MAX_CURRENT;
+ if (dev_vcm->max_current == 0)
+ dev_vcm->max_current = DW9714_MAX_CURRENT;
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_START_CURRENT,
- (unsigned int *)&start_ma)) {
- start_ma = DW9714_DEFAULT_START_CURRENT;
+ (unsigned int *)&dev_vcm->vcm_cfg.start_ma)) {
+ dev_vcm->vcm_cfg.start_ma = DW9714_DEFAULT_START_CURRENT;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_START_CURRENT);
}
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_RATED_CURRENT,
- (unsigned int *)&rated_ma)) {
- rated_ma = DW9714_DEFAULT_RATED_CURRENT;
+ (unsigned int *)&dev_vcm->vcm_cfg.rated_ma)) {
+ dev_vcm->vcm_cfg.rated_ma = DW9714_DEFAULT_RATED_CURRENT;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_RATED_CURRENT);
}
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_STEP_MODE,
- (unsigned int *)&step_mode)) {
- step_mode = DW9714_DEFAULT_STEP_MODE;
+ (unsigned int *)&dev_vcm->vcm_cfg.step_mode)) {
+ dev_vcm->vcm_cfg.step_mode = DW9714_DEFAULT_STEP_MODE;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_STEP_MODE);
}
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_DLC_ENABLE,
- (unsigned int *)&dlc_en)) {
- dlc_en = DW9714_DEFAULT_DLC_EN;
+ (unsigned int *)&dev_vcm->dlc_enable)) {
+ dev_vcm->dlc_enable = DW9714_DEFAULT_DLC_EN;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_DLC_ENABLE);
}
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_MCLK,
- (unsigned int *)&mclk)) {
- mclk = DW9714_DEFAULT_MCLK;
+ (unsigned int *)&dev_vcm->mclk)) {
+ dev_vcm->mclk = DW9714_DEFAULT_MCLK;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_MCLK);
}
if (of_property_read_u32(np,
OF_CAMERA_VCMDRV_T_SRC,
- (unsigned int *)&t_src)) {
- t_src = DW9714_DEFAULT_T_SRC;
+ (unsigned int *)&dev_vcm->t_src)) {
+ dev_vcm->t_src = DW9714_DEFAULT_T_SRC;
dev_info(&client->dev,
"could not get module %s from dts!\n",
OF_CAMERA_VCMDRV_T_SRC);
}
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_ADVANCED_MODE,
+ (unsigned int *)&dev_vcm->adcanced_mode)) {
+ dev_vcm->adcanced_mode = DW9714_DEFAULT_ADVMODE;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_ADVANCED_MODE);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_SAC_MODE,
+ (unsigned int *)&dev_vcm->sac_mode)) {
+ dev_vcm->sac_mode = DW9714_DEFAULT_SAC_MODE;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_SAC_MODE);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_SAC_TIME,
+ (unsigned int *)&dev_vcm->sac_time)) {
+ dev_vcm->sac_time = DW9714_DEFAULT_SAC_TIME;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_SAC_TIME);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_PRESC,
+ (unsigned int *)&dev_vcm->sac_prescl)) {
+ dev_vcm->sac_prescl = DW9714_DEFAULT_SAC_PRESCL;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_PRESC);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_NRC_EN,
+ (unsigned int *)&dev_vcm->nrc_en)) {
+ dev_vcm->nrc_en = DW9714_DEFAULT_NRC_EN;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_NRC_EN);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_NRC_MODE,
+ (unsigned int *)&dev_vcm->nrc_mode)) {
+ dev_vcm->nrc_mode = DW9714_DEFAULT_NRC_MODE;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_NRC_MODE);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_NRC_PRESET,
+ (unsigned int *)&dev_vcm->nrc_preset)) {
+ dev_vcm->nrc_preset = DW9714_DEFAULT_NRC_PRESET;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_NRC_PRESET);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_NRC_INFL,
+ (unsigned int *)&dev_vcm->nrc_infl)) {
+ dev_vcm->nrc_infl = DW9714_DEFAULT_NRC_INFL;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_NRC_INFL);
+ }
+ if (of_property_read_u32(np,
+ OF_CAMERA_VCMDRV_NRC_TIME,
+ (unsigned int *)&dev_vcm->nrc_time)) {
+ dev_vcm->nrc_time = DW9714_DEFAULT_NRC_TIME;
+ dev_info(&client->dev,
+ "could not get module %s from dts!\n",
+ OF_CAMERA_VCMDRV_NRC_TIME);
+ }
- dw9714_dev = devm_kzalloc(&client->dev, sizeof(*dw9714_dev),
- GFP_KERNEL);
- if (dw9714_dev == NULL)
- return -ENOMEM;
+ dev_vcm->xsd_gpio = devm_gpiod_get(&client->dev, "xsd", GPIOD_OUT_HIGH);
+ if (IS_ERR(dev_vcm->xsd_gpio))
+ dev_warn(&client->dev, "Failed to get xsd-gpios\n");
ret = of_property_read_u32(np, RKMODULE_CAMERA_MODULE_INDEX,
- &dw9714_dev->module_index);
+ &dev_vcm->module_index);
ret |= of_property_read_string(np, RKMODULE_CAMERA_MODULE_FACING,
- &dw9714_dev->module_facing);
+ &dev_vcm->module_facing);
if (ret) {
dev_err(&client->dev,
"could not get module information!\n");
return -EINVAL;
}
+ dev_vcm->client = client;
+ ret = dw9714_configure_regulator(dev_vcm);
+ if (ret) {
+ dev_err(&client->dev, "Failed to get power regulator!\n");
+ return ret;
+ }
+
+ dev_dbg(&client->dev, "current: %d, %d, %d, dlc_en: %d, t_src: %d, mclk: %d",
+ dev_vcm->max_current,
+ dev_vcm->start_current,
+ dev_vcm->rated_current,
+ dev_vcm->dlc_enable,
+ dev_vcm->t_src,
+ dev_vcm->mclk);
+
+ /* advanced mode*/
+ dev_dbg(&client->dev, "adcanced: %d, sac: %d, %d, %d, nrc: %d, %d, %d, %d, %d",
+ dev_vcm->adcanced_mode,
+ dev_vcm->sac_mode,
+ dev_vcm->sac_time,
+ dev_vcm->sac_prescl,
+ dev_vcm->nrc_en,
+ dev_vcm->nrc_mode,
+ dev_vcm->nrc_preset,
+ dev_vcm->nrc_infl,
+ dev_vcm->nrc_time);
+
+ return 0;
+}
+
+static int dw9714_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct dw9714_device *dw9714_dev;
+ struct v4l2_subdev *sd;
+ char facing[2];
+ int ret;
+
+ dev_info(&client->dev, "probing...\n");
+ dw9714_dev = devm_kzalloc(&client->dev, sizeof(*dw9714_dev),
+ GFP_KERNEL);
+ if (dw9714_dev == NULL)
+ return -ENOMEM;
+
+ ret = dw9714_parse_dt_property(client, dw9714_dev);
+ if (ret)
+ return ret;
v4l2_i2c_subdev_init(&dw9714_dev->sd, client, &dw9714_ops);
dw9714_dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
dw9714_dev->sd.internal_ops = &dw9714_int_ops;
+ dw9714_dev->max_logicalpos = VCMDRV_MAX_LOG;
ret = dw9714_init_controls(dw9714_dev);
if (ret)
goto err_cleanup;
@@ -709,6 +1313,14 @@
ret = media_entity_pads_init(&dw9714_dev->sd.entity, 0, NULL);
if (ret < 0)
goto err_cleanup;
+
+ ret = dw9714_set_power(dw9714_dev, true);
+ if (ret)
+ goto err_cleanup;
+
+ ret = dw9714_check_i2c(dw9714_dev, client);
+ if (ret)
+ goto err_power_off;
sd = &dw9714_dev->sd;
sd->entity.function = MEDIA_ENT_F_LENS;
@@ -726,30 +1338,23 @@
if (ret)
dev_err(&client->dev, "v4l2 async register subdev failed\n");
- dw9714_dev->max_ma = max_ma;
- dw9714_dev->vcm_cfg.start_ma = start_ma;
- dw9714_dev->vcm_cfg.rated_ma = rated_ma;
- dw9714_dev->vcm_cfg.step_mode = step_mode;
dw9714_update_vcm_cfg(dw9714_dev);
- dw9714_dev->move_ms = 0;
- dw9714_dev->current_related_pos = VCMDRV_MAX_LOG;
- dw9714_dev->start_move_tv = ns_to_timeval(ktime_get_ns());
- dw9714_dev->end_move_tv = ns_to_timeval(ktime_get_ns());
-
- dw9714_dev->dlc_enable = dlc_en;
- dw9714_dev->mclk = mclk;
- dw9714_dev->t_src = t_src;
-
+ dw9714_dev->move_ms = 0;
+ dw9714_dev->current_related_pos = dw9714_dev->max_logicalpos;
+ dw9714_dev->current_lens_pos = dw9714_dev->start_current;
+ dw9714_dev->start_move_tv = ns_to_kernel_old_timeval(ktime_get_ns());
+ dw9714_dev->end_move_tv = ns_to_kernel_old_timeval(ktime_get_ns());
dw9714_dev->vcm_movefull_t =
dw9714_move_time(dw9714_dev, DW9714_MAX_REG);
- pm_runtime_set_active(&client->dev);
pm_runtime_enable(&client->dev);
- pm_runtime_idle(&client->dev);
+ add_sysfs_interfaces(&client->dev);
dev_info(&client->dev, "probing successful\n");
return 0;
+err_power_off:
+ dw9714_set_power(dw9714_dev, false);
err_cleanup:
dw9714_subdev_cleanup(dw9714_dev);
dev_err(&client->dev, "Probe failed: %d\n", ret);
@@ -761,55 +1366,20 @@
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct dw9714_device *dw9714_dev = sd_to_dw9714_vcm(sd);
+ remove_sysfs_interfaces(&client->dev);
pm_runtime_disable(&client->dev);
dw9714_subdev_cleanup(dw9714_dev);
return 0;
}
-static int dw9714_init(struct i2c_client *client)
-{
- struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct dw9714_device *dw9714_dev = sd_to_dw9714_vcm(sd);
- unsigned char data = 0x0;
- int ret = 0;
-
- // need to wait 12ms after poweron
- usleep_range(12000, 12500);
-
- ret = dw9714_write_msg(client, 0xEC, 0xA3);
- if (ret)
- goto err;
-
- data = (dw9714_dev->mclk & 0x3) | 0x04 |
- ((dw9714_dev->dlc_enable << 0x3) & 0x08);
- ret = dw9714_write_msg(client, 0xA1, data);
- if (ret)
- goto err;
-
- data = (dw9714_dev->t_src << 0x3) & 0xf8;
- ret = dw9714_write_msg(client, 0xF2, data);
- if (ret)
- goto err;
-
- ret = dw9714_write_msg(client, 0xDC, 0x51);
- if (ret)
- goto err;
-
- /* set normal mode */
- ret = dw9714_write_msg(client, 0xDF, 0x5B);
- if (ret != 0)
- dev_err(&client->dev,
- "%s: failed with error %d\n", __func__, ret);
-
- return 0;
-err:
- dev_err(&client->dev, "failed with error %d\n", ret);
- return -1;
-}
-
static int __maybe_unused dw9714_vcm_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct dw9714_device *dev_vcm = sd_to_dw9714_vcm(sd);
+
+ dw9714_set_power(dev_vcm, false);
return 0;
}
@@ -819,8 +1389,7 @@
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct dw9714_device *dev_vcm = sd_to_dw9714_vcm(sd);
- dw9714_init(client);
- dw9714_set_pos(dev_vcm, dev_vcm->current_related_pos);
+ dw9714_set_power(dev_vcm, true);
return 0;
}
--
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