Files
base/drivers/source/camera/csi-baremetal/excam/ex_max96706.c
2025-11-07 09:57:14 +08:00

607 lines
16 KiB
C

/*
* Copyright (c) 2022 Semidrive Semiconductor.
* All rights reserved.
*/
#include "camera/sdrv-cam-baremetal-def.h"
#include "ex_max96706.h"
#define MAX96706_DEVICE_ID 0x4A
#define MAX96705_DEVICE_ID 0x41
#define MAX96706_DESER_ADDR 0x78
#define MAX96705_SERER_ADDR 0x40
#define MAX96705_ISP_ADDR 0xA8
#define TCA9539_ADDR 0x74
enum max96706_status {
DESER_IDLE,
DESER_STREAM_ON,
};
struct max96706_dev {
struct vdev_device vdev;
void *i2c_handle;
uint8_t deser_addr;
uint8_t serer_addr;
uint8_t isp_addr;
uint8_t gpioext_addr;
uint32_t gpio_pwn;
uint32_t gpio_gpi;
uint32_t gpio_poc;
void *port_handle;
void *dio_handle;
osMutexId_t lock;
uint32_t status;
};
static struct max96706_dev g_max_96706_dev;
static int max96706_poc_power(struct max96706_dev *deser, int enable);
static int max96706_write_reg(struct max96706_dev *deser, uint8_t reg,
uint8_t val)
{
uint8_t buf[2];
int ret = 0;
deser_info("%s: addr=0x%x, reg=0x%x, val=0x%x\n", __func__,
deser->deser_addr, reg, val);
buf[0] = reg;
buf[1] = val;
ret = i2c_write(deser->i2c_handle, deser->deser_addr, buf, 2);
if (ret < 0) {
deser_err("%s: error: reg=0x%x, val=%x\n", __func__, reg, val);
return ret;
}
return ret;
}
static int max96706_read_reg(struct max96706_dev *deser, uint8_t reg,
uint8_t *val)
{
uint8_t buf[1];
int ret = 0;
memset(buf, 0, sizeof(buf));
ret = i2c_write_read(deser->i2c_handle, deser->deser_addr, &reg, 1, buf, 1);
if (ret < 0) {
deser_err("%s: error: read reg=0x%x\n", __func__, reg);
return ret;
}
deser_info("%s: addr=0x%x, reg=0x%x, val=0x%x\n", __func__,
deser->deser_addr, reg, buf[0]);
*val = buf[0];
return 0;
}
static int max96705_write_reg(struct max96706_dev *deser, uint8_t reg,
uint8_t val)
{
uint8_t buf[2];
int ret = 0;
deser_info("%s: addr=0x%x, reg=0x%x, val=0x%x\n", __func__,
deser->serer_addr, reg, val);
buf[0] = reg;
buf[1] = val;
ret = i2c_write(deser->i2c_handle, deser->serer_addr, buf, 2);
if (ret < 0) {
deser_err("%s: error: reg=0x%x, val=%x\n", __func__, reg, val);
return ret;
}
return ret;
}
static int max96705_read_reg(struct max96706_dev *deser, uint8_t reg,
uint8_t *val)
{
uint8_t buf[1];
int ret = 0;
memset(buf, 0, sizeof(buf));
ret = i2c_write_read(deser->i2c_handle, deser->serer_addr, &reg, 1, buf, 1);
if (ret < 0) {
deser_err("%s: error: read reg=0x%x\n", __func__, reg);
return ret;
}
deser_info("%s: addr=0x%x, reg=0x%x, val=0x%x\n", __func__,
deser->serer_addr, reg, buf[0]);
*val = buf[0];
return 0;
}
static int max96706_check_chip_id(struct max96706_dev *deser)
{
int ret;
int i = 0;
uint8_t chip_id = 0;
deser_info("%s\n", __func__);
while (i++ < 30) {
ret = max96706_read_reg(deser, 0x1E, &chip_id);
if (ret) {
deser_err("%s: failed to read chip identifier\n", __func__);
continue;
}
if (chip_id != MAX96706_DEVICE_ID) {
deser_err("%s: wrong chip identifier, expected 0x%x(max96706), got "
"0x%x\n",
__func__, MAX96706_DEVICE_ID, chip_id);
continue;
} else {
deser_info(
"%s: chip identifier, expected 0x%x(max96706), got 0x%x\n",
__func__, MAX96706_DEVICE_ID, chip_id);
break;
}
}
return 0;
}
static int max96705_check_chip_id(struct max96706_dev *deser)
{
int ret;
int i = 0;
uint8_t chip_id = 0;
deser_info("%s\n", __func__);
while (i++ < 30) {
ret = max96705_read_reg(deser, 0x1E, &chip_id);
if (ret) {
deser_err("%s: failed to read chip identifier\n", __func__);
continue;
}
if (chip_id != MAX96705_DEVICE_ID) {
deser_err("%s: wrong chip identifier, expected 0x%x(max96705), got "
"0x%x\n",
__func__, MAX96705_DEVICE_ID, chip_id);
continue;
} else {
deser_info(
"%s: chip identifier, expected 0x%x(max96705), got 0x%x\n",
__func__, MAX96705_DEVICE_ID, chip_id);
return 0;
}
}
return -1;
}
static int max96706_init_setup(struct max96706_dev *deser)
{
uint8_t val;
int i, ret;
val = 0;
ret = max96706_read_reg(deser, 0x06, &val);
if (ret < 0) {
deser_err("max96706 fail to read 0x06=%d\n", ret);
return ret;
}
val |= 0x80;
max96706_write_reg(deser, 0x06, val);
usleep_range(1000, 1100);
//[7]dbl, [2]hven, [1]cxtp
val = 0;
max96706_read_reg(deser, 0x07, &val);
deser_info("%s, reg[0x07]=0x%x\n", __func__, val);
if (val != 0x86) {
max96706_write_reg(deser, 0x07, 0x86);
usleep_range(10000, 11000);
}
// invert hsync
val = 0;
max96706_read_reg(deser, 0x02, &val);
val |= 0x80;
max96706_write_reg(deser, 0x02, val);
usleep_range(3000, 3100);
// disable output
val = 0;
max96706_read_reg(deser, 0x04, &val);
deser_info("%s, reg[0x04]=0x%x\n", __func__, val);
val = 0x47;
max96706_write_reg(deser, 0x04, val);
usleep_range(10000, 11000);
max96706_poc_power(deser, 1);
usleep_range(100000, 110000);
// dcs
val = 0;
max96706_read_reg(deser, 0x5, &val);
deser_info("%s, reg[0x05]=0x%x\n", __func__, val);
val |= 0x40;
max96706_write_reg(deser, 0x5, val);
val = 0;
max96706_read_reg(deser, 0x5, &val);
// Retry for i2c address comflict in defaul 7b i2c address 0x40.
for (i = 0; i < 3; i++) {
ret = max96705_check_chip_id(deser);
if (ret < 0) {
deser_crit("%s: times %d not found 96705, ret=%d\n", __func__, i,
ret);
usleep_range(20000, 20002);
} else {
deser_err("%s: found 96705, ret=%d\n", __func__, ret);
break;
}
}
deser_info("%s: check 96705, ret=%d\n", __func__, ret);
if (ret < 0)
return ret;
#ifdef MAX96706_MULTI_SERER
// Change I2C: not required for only one serer.
usleep_range(1000, 2000);
max96705_write_reg(deser, 0x00, deser->serer_addr << 1);
usleep_range(5000, 6000);
max96705_write_reg(deser, 0x01, deser->deser_addr << 1);
usleep_range(10000, 11000);
#endif
if (deser->gpio_gpi) {
deser_err("%s: error: gpi is not supported\n", __func__);
#ifdef MAX96706_GPI_EN
max96706_gpi_power(deser, 9, 1);
usleep_range(100, 200);
max96706_gpi_power(deser, 9, 0);
usleep_range(100, 200);
max96706_gpi_power(deser, 9, 1);
#endif
} else {
val = 0;
max96705_read_reg(deser, 0x0f, &val);
val |= 0x81;
max96705_write_reg(deser, 0x0f, val);
usleep_range(100, 200);
}
// enable dbl, hven
max96705_write_reg(deser, 0x07, 0x84);
usleep_range(200000, 210000);
return 0;
}
#ifdef _CONFIG_OS_SAFETY_
#include "tca9539.h"
// poc-gpios = <&cam_gpios 6 0>;
// Power for camera module
static int max96706_poc_power(struct max96706_dev *deser, int enable)
{
struct tca9539_device *pd;
int port = 7;
deser_info("%s: en %d, port %d\n", __func__, enable, port);
pd = tca9539_init(10, TCA9539_ADDR);
if (pd == NULL) {
deser_err("%s: init tca9359 error!\n", __func__);
return -1;
}
pd->ops.output_enable(pd, port);
thread_sleep(50); // 50 ms
pd->ops.output_val(pd, port, 0);
thread_sleep(50);
if (enable) {
pd->ops.output_val(pd, port, 1);
thread_sleep(100);
}
tca9539_deinit(pd);
return 0;
}
extern const domain_res_t g_gpio_res;
extern const domain_res_t g_iomuxc_res;
// pwdn-gpios = <&port4c 19 0>;
// Power for Rx max96706/712
static int max96706_s_power(struct vdev_device *vdev, int enable)
{
struct max96706_dev *deser;
bool ioret;
void *port_handle;
void *dio_handle = NULL;
int pin_index = PortConf_PIN_OSPI2_DATA1;
const Port_PinModeType MODE_GPIO_OSPI2_DATA1 = {
((uint32_t)PORT_PAD_POE__DISABLE | PORT_PAD_IS__OUT |
PORT_PAD_SR__FAST | PORT_PAD_DS__MID1 | PORT_PIN_IN_NO_PULL),
((uint32_t)PORT_PIN_MUX_FV__MIN | PORT_PIN_MUX_FIN__MIN |
PORT_PIN_OUT_PUSHPULL | PORT_PIN_MODE_GPIO),
};
deser = (struct max96706_dev *)vdev->priv_data;
deser_info("%s: enable=%d.\n", __func__, enable);
/* Port setup */
if (deser->port_handle != NULL)
return 0;
ioret = hal_port_creat_handle(&port_handle, g_iomuxc_res.res_id[0]);
if (ioret == false) {
deser_err("%s: port creat failed.\n", __func__);
return -1;
}
deser_info("%s: port_handle=%p, pin=%d\n", __func__, port_handle,
pin_index);
ioret =
hal_port_set_pin_mode(port_handle, pin_index, MODE_GPIO_OSPI2_DATA1);
hal_port_release_handle(&port_handle);
ioret = hal_dio_creat_handle(&dio_handle, g_gpio_res.res_id[0]);
if (ioret == false) {
deser_err("%s: dio creat failed.\n", __func__);
return -1;
}
deser_info("%s: dio_handle=%p.\n", __func__, dio_handle);
hal_dio_set_channel_direction(dio_handle, pin_index, DIO_CHANNEL_OUT);
hal_dio_write_channel(dio_handle, pin_index, 0);
thread_sleep(10);
if (enable == 1) {
hal_dio_write_channel(dio_handle, pin_index, 1);
thread_sleep(10);
}
hal_dio_release_handle(&dio_handle);
thread_sleep(10);
deser_info("%s: enable=%d. done\n", __func__, enable);
return 0;
}
#else
//extern gpio_dev_t g_gpio_ap;
static int max96706_poc_power(struct max96706_dev *deser, int enable)
{
uint32_t pin = deser->gpio_poc; /* GPIO_D36 */
// gpio_dev_t *gpio_dev = &g_gpio_ap;
deser_info("%s: pin %d, en %d\n", __func__, pin, enable);
gpio_set(NULL, pin, enable ? true : false);
return 0;
}
static int max96706_s_power(struct vdev_device *vdev, int enable) { return 0; }
#endif
static int max96706_enum_mbus_fmt(struct vdev_device *vdev,
struct vdev_mbus_framefmt *fme)
{
struct max96706_dev *deser;
if ((vdev == NULL) || (fme == NULL)) {
return -1;
}
deser = (struct max96706_dev *)vdev->priv_data;
if (fme->index > 0) {
fme->index = 0;
return -1;
}
fme->code = deser->vdev.fmt.code;
fme->field = deser->vdev.fmt.field;
fme->colorspace = deser->vdev.fmt.colorspace;
return 0;
}
static int max96706_enum_frame_size(struct vdev_device *vdev,
struct vdev_frame_size_enum *fse)
{
struct max96706_dev *deser;
if (!vdev || !fse) {
return -1;
}
deser = (struct max96706_dev *)vdev->priv_data;
if (fse->index > 0) {
fse->index = 0;
return -1;
}
fse->min_width = deser->vdev.fmt.width;
fse->max_width = deser->vdev.fmt.width;
fse->min_height = deser->vdev.fmt.height;
fse->max_height = deser->vdev.fmt.height;
return 0;
}
static int max96706_enum_frame_interval(struct vdev_device *vdev,
struct vdev_frame_interval_enum *fie)
{
return 0;
}
static int max96706_get_frame_interval(struct vdev_device *vdev,
struct vdev_fract *fi)
{
if (!vdev || !fi) {
return -1;
}
*fi = vdev->frame_interval;
return 0;
}
static int max96706_set_frame_interval(struct vdev_device *vdev,
struct vdev_fract fi)
{
return 0;
}
static int max96706_get_fmt(struct vdev_device *vdev,
struct vdev_mbus_framefmt *fmt)
{
if (!vdev) {
return -1;
}
*fmt = vdev->fmt;
return 0;
}
static int max96706_set_fmt(struct vdev_device *vdev,
struct vdev_mbus_framefmt fmt)
{
return 0;
}
static int max96706_s_stream(struct vdev_device *vdev, int enable)
{
int ret = 0;
uint8_t val;
struct max96706_dev *deser;
if (!vdev) {
return -1;
}
deser = (struct max96706_dev *)vdev->priv_data;
osMutexAcquire(deser->lock, 0);
if (enable == 1) {
if (deser->status == DESER_STREAM_ON) {
deser_info("%s: already stream on\n", __func__);
goto exit;
}
ret = max96706_init_setup(deser);
if (ret < 0)
goto exit;
usleep_range(1000, 1100);
max96706_read_reg(deser, 0x04, &val);
val &= ~(0x40);
max96706_write_reg(deser, 0x04, val);
usleep_range(1000, 1100);
deser->status = DESER_STREAM_ON;
} else {
max96706_poc_power(deser, 0);
max96706_read_reg(deser, 0x04, &val);
val |= 0x40;
max96706_write_reg(deser, 0x04, val);
usleep_range(1000, 1100);
deser->status = DESER_IDLE;
}
exit:
osMutexRelease(deser->lock);
return ret;
}
static int max96706_deinit(struct vdev_device *vdev)
{
struct max96706_dev *deser;
if (!vdev) {
return -1;
}
deser = (struct max96706_dev *)vdev->priv_data;
osMutexDelete(deser->lock);
free(deser);
return 0;
}
static const struct vdev_dev_ops max96706_vdev_ops = {
.s_power = max96706_s_power,
.enum_mbus_fmt = max96706_enum_mbus_fmt,
.enum_frame_size = max96706_enum_frame_size,
.enum_frame_interval = max96706_enum_frame_interval,
.g_frame_interval = max96706_get_frame_interval,
.s_frame_interval = max96706_set_frame_interval,
.get_fmt = max96706_get_fmt,
.set_fmt = max96706_set_fmt,
.s_stream = max96706_s_stream,
.close = max96706_deinit,
};
struct vdev_device *max96706_init(void *init_data)
{
int ret;
struct max96706_dev *deser;
struct camera_res_cfg *cfg = (struct camera_res_cfg *)init_data;
// deser = malloc(sizeof(struct max96706_dev));
deser = &g_max_96706_dev;
if (!deser || !cfg || !cfg->i2c_handle)
return NULL;
memset(deser, 0, sizeof(struct max96706_dev));
deser->i2c_handle = cfg->i2c_handle;
deser->deser_addr = MAX96706_DESER_ADDR;
deser->serer_addr = MAX96705_SERER_ADDR;
deser->isp_addr = MAX96705_ISP_ADDR;
deser->gpioext_addr = TCA9539_ADDR;
deser->gpio_pwn = cfg->gpio[0];
deser->gpio_gpi = cfg->gpio[1];
deser->gpio_poc = cfg->gpio[2];
deser->vdev.priv_data = (void *)deser;
max96706_poc_power(deser, 0);
max96706_s_power(&deser->vdev, 1);
ret = max96706_check_chip_id(deser);
if (ret == 0)
max96706_s_stream(&deser->vdev, 0);
max96706_s_power(&deser->vdev, 0);
if (ret < 0)
goto err;
deser->lock = osMutexNew(NULL);
deser->vdev.ep.bus_type = VDEV_MBUS_PARALLEL2;
deser->vdev.frame_interval.numerator = 1;
deser->vdev.frame_interval.denominator = 25;
deser->vdev.fmt.width = 1280;
deser->vdev.fmt.height = 720;
deser->vdev.fmt.code = VDEV_MBUS_FMT_UYVY;
deser->vdev.fmt.field = VDEV_FIELD_NONE;
deser->vdev.fmt.colorspace = VDEV_COLORSPACE_SRGB;
deser->vdev.ops = max96706_vdev_ops;
return &deser->vdev;
err:
free(deser);
return NULL;
}