static int msm_eeprom_spi_setup(struct spi_device *spi)
{
struct msm_eeprom_ctrl_t *e_ctrl = NULL;
struct msm_camera_i2c_client *client = NULL;
struct msm_camera_spi_client *spi_client;
struct msm_eeprom_board_info *eb_info;
struct msm_camera_power_ctrl_t *power_info = NULL;
int rc = 0;
e_ctrl = kzalloc(sizeof(struct msm_eeprom_ctrl_t), GFP_KERNEL);
if (!e_ctrl) {
pr_err("%s:%d kzalloc failed\n", __func__, __LINE__);
return -ENOMEM;
}
e_ctrl->eeprom_v4l2_subdev_ops = &msm_eeprom_subdev_ops;
e_ctrl->eeprom_mutex = &msm_eeprom_mutex;
client = &e_ctrl->i2c_client;
e_ctrl->is_supported = 0;
spi_client = kzalloc(sizeof(spi_client), GFP_KERNEL);
if (!spi_client) {
pr_err("%s:%d kzalloc failed\n", __func__, __LINE__);
kfree(e_ctrl);
return -ENOMEM;
}
rc = of_property_read_u32(spi->dev.of_node, "cell-index",
&e_ctrl->subdev_id);
CDBG("cell-index %d, rc %d\n", e_ctrl->subdev_id, rc);
if (rc) {
pr_err("failed rc %d\n", rc);
return rc;
}
e_ctrl->eeprom_device_type = MSM_CAMERA_SPI_DEVICE;
client->spi_client = spi_client;
spi_client->spi_master = spi;
client->i2c_func_tbl = &msm_eeprom_spi_func_tbl;
client->addr_type = MSM_CAMERA_I2C_3B_ADDR;
eb_info = kzalloc(sizeof(eb_info), GFP_KERNEL);
if (!eb_info)
goto spi_free;
e_ctrl->eboard_info = eb_info;
rc = of_property_read_string(spi->dev.of_node, "qcom,eeprom-name",
&eb_info->eeprom_name);
CDBG("%s qcom,eeprom-name %s, rc %d\n", __func__,
eb_info->eeprom_name, rc);
if (rc < 0) {
pr_err("%s failed %d\n", __func__, __LINE__);
goto board_free;
}
power_info = &eb_info->power_info;
power_info->clk_info = cam_8974_clk_info;
power_info->clk_info_size = ARRAY_SIZE(cam_8974_clk_info);
power_info->dev = &spi->dev;
rc = msm_eeprom_get_dt_data(e_ctrl);
if (rc)
goto board_free;
/* set spi instruction info */
spi_client->retry_delay = 1;
spi_client->retries = 0;
if (msm_eeprom_spi_parse_of(spi_client)) {
dev_err(&spi->dev,
"%s: Error parsing device properties\n", __func__);
goto board_free;
}
rc = msm_eeprom_alloc_memory_map(e_ctrl, spi->dev.of_node);
if (rc)
goto board_free;
rc = msm_camera_power_up(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("failed rc %d\n", rc);
goto memmap_free;
}
/* check eeprom id */
rc = msm_eeprom_check_id(e_ctrl);
if (rc) {
CDBG("%s: eeprom not matching %d\n", __func__, rc);
goto power_down;
}
/* read eeprom */
rc = read_eeprom_memory(e_ctrl);
if (rc) {
dev_err(&spi->dev, "%s: read eeprom memory failed\n", __func__);
goto power_down;
}
rc = msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("failed rc %d\n", rc);
goto memmap_free;
}
/* initiazlie subdev */
v4l2_spi_subdev_init(&e_ctrl->msm_sd.sd,
e_ctrl->i2c_client.spi_client->spi_master,
e_ctrl->eeprom_v4l2_subdev_ops);
v4l2_set_subdevdata(&e_ctrl->msm_sd.sd, e_ctrl);
e_ctrl->msm_sd.sd.internal_ops = &msm_eeprom_internal_ops;
e_ctrl->msm_sd.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
media_entity_init(&e_ctrl->msm_sd.sd.entity, 0, NULL, 0);
e_ctrl->msm_sd.sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
e_ctrl->msm_sd.sd.entity.group_id = MSM_CAMERA_SUBDEV_EEPROM;
msm_sd_register(&e_ctrl->msm_sd);
e_ctrl->is_supported = 1;
CDBG("%s success result=%d X\n", __func__, rc);
return 0;
power_down:
msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
memmap_free:
kfree(e_ctrl->eboard_info->eeprom_map);
kfree(e_ctrl->memory_data);
board_free:
kfree(e_ctrl->eboard_info);
spi_free:
kfree(spi_client);
return rc;
}
int32_t msm_eeprom_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id) {
int rc = 0;
int32_t j = 0;
uint32_t temp = 0;
struct msm_eeprom_ctrl_t *e_ctrl = NULL;
struct msm_camera_power_ctrl_t *power_info = NULL;
struct device_node *of_node = client->dev.of_node;
CDBG("%s E\n", __func__);
if (!of_node) {
pr_err("%s of_node NULL\n", __func__);
return -EINVAL;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
pr_err("%s i2c_check_functionality failed\n", __func__);
goto probe_failure;
}
e_ctrl = kzalloc(sizeof(struct msm_eeprom_ctrl_t), GFP_KERNEL);
if (!e_ctrl) {
pr_err("%s:%d kzalloc failed\n", __func__, __LINE__);
return -ENOMEM;
}
e_ctrl->eeprom_v4l2_subdev_ops = &msm_eeprom_subdev_ops;
e_ctrl->eeprom_mutex = &msm_eeprom_mutex;
CDBG("%s client = %x\n", __func__, (unsigned int)client);
e_ctrl->eboard_info = kzalloc(sizeof(
struct msm_eeprom_board_info), GFP_KERNEL);
if (!e_ctrl->eboard_info) {
pr_err("%s:%d board info NULL\n", __func__, __LINE__);
return -EINVAL;
}
rc = of_property_read_u32(of_node, "qcom,slave-addr", &temp);
if (rc < 0) {
pr_err("%s failed rc %d\n", __func__, rc);
return rc;
}
power_info = &e_ctrl->eboard_info->power_info;
e_ctrl->eboard_info->i2c_slaveaddr = temp;
e_ctrl->i2c_client.client = client;
e_ctrl->is_supported = 0;
/* Set device type as I2C */
e_ctrl->eeprom_device_type = MSM_CAMERA_I2C_DEVICE;
e_ctrl->i2c_client.i2c_func_tbl = &msm_eeprom_qup_func_tbl;
if (e_ctrl->eboard_info->i2c_slaveaddr != 0)
e_ctrl->i2c_client.client->addr =
e_ctrl->eboard_info->i2c_slaveaddr;
power_info->clk_info = cam_8960_clk_info;
power_info->clk_info_size = ARRAY_SIZE(cam_8960_clk_info);
power_info->dev = &client->dev;
rc = of_property_read_string(of_node, "qcom,eeprom-name",
&e_ctrl->eboard_info->eeprom_name);
CDBG("%s qcom,eeprom-name %s, rc %d\n", __func__,
e_ctrl->eboard_info->eeprom_name, rc);
if (rc < 0) {
pr_err("%s failed %d\n", __func__, __LINE__);
goto board_free;
}
rc = msm_eeprom_get_dt_data(e_ctrl);
if (rc)
goto board_free;
rc = msm_eeprom_alloc_memory_map(e_ctrl, of_node);
if (rc)
goto board_free;
rc = msm_camera_power_up(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("%s failed power up %d\n", __func__, __LINE__);
goto memdata_free;
}
rc = read_eeprom_memory(e_ctrl);
if (rc < 0) {
pr_err("%s read_eeprom_memory failed\n", __func__);
goto power_down;
}
for (j = 0; j < e_ctrl->num_bytes; j++)
CDBG("memory_data[%d] = 0x%X\n", j, e_ctrl->memory_data[j]);
rc = msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("failed rc %d\n", rc);
goto power_down;
}
/*IMPLEMENT READING PART*/
/* Initialize sub device */
v4l2_i2c_subdev_init(&e_ctrl->msm_sd.sd,
e_ctrl->i2c_client.client,
e_ctrl->eeprom_v4l2_subdev_ops);
v4l2_set_subdevdata(&e_ctrl->msm_sd.sd, e_ctrl);
e_ctrl->msm_sd.sd.internal_ops = &msm_eeprom_internal_ops;
e_ctrl->msm_sd.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
media_entity_init(&e_ctrl->msm_sd.sd.entity, 0, NULL, 0);
e_ctrl->msm_sd.sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
e_ctrl->msm_sd.sd.entity.group_id = MSM_CAMERA_SUBDEV_EEPROM;
msm_sd_register(&e_ctrl->msm_sd);
e_ctrl->is_supported = 1;
CDBG("%s success result=%d X\n", __func__, rc);
return rc;
power_down:
msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
memdata_free:
kfree(e_ctrl->memory_data);
kfree(e_ctrl->eboard_info->eeprom_map);
board_free:
kfree(e_ctrl->eboard_info);
probe_failure:
pr_err("%s failed! rc = %d\n", __func__, rc);
return rc;
}
static int32_t msm_eeprom_platform_probe(struct platform_device *pdev)
{
int32_t rc = 0;
int32_t j = 0;
uint32_t temp;
struct msm_camera_cci_client *cci_client = NULL;
struct msm_eeprom_ctrl_t *e_ctrl = NULL;
struct msm_eeprom_board_info *eb_info = NULL;
struct device_node *of_node = pdev->dev.of_node;
struct msm_camera_power_ctrl_t *power_info = NULL;
CDBG("%s E\n", __func__);
e_ctrl = kzalloc(sizeof(struct msm_eeprom_ctrl_t), GFP_KERNEL);
if (!e_ctrl) {
pr_err("%s:%d kzalloc failed\n", __func__, __LINE__);
return -ENOMEM;
}
e_ctrl->eeprom_v4l2_subdev_ops = &msm_eeprom_subdev_ops;
e_ctrl->eeprom_mutex = &msm_eeprom_mutex;
e_ctrl->is_supported = 0;
if (!of_node) {
pr_err("%s dev.of_node NULL\n", __func__);
kfree(e_ctrl);
return -EINVAL;
}
rc = of_property_read_u32(of_node, "cell-index",
&pdev->id);
CDBG("cell-index %d, rc %d\n", pdev->id, rc);
if (rc < 0) {
pr_err("failed rc %d\n", rc);
kfree(e_ctrl);
return rc;
}
e_ctrl->subdev_id = pdev->id;
rc = of_property_read_u32(of_node, "qcom,cci-master",
&e_ctrl->cci_master);
CDBG("qcom,cci-master %d, rc %d\n", e_ctrl->cci_master, rc);
if (rc < 0) {
pr_err("%s failed rc %d\n", __func__, rc);
kfree(e_ctrl);
return rc;
}
rc = of_property_read_u32(of_node, "qcom,slave-addr",
&temp);
if (rc < 0) {
pr_err("%s failed rc %d\n", __func__, rc);
kfree(e_ctrl);
return rc;
}
/* Set platform device handle */
e_ctrl->pdev = pdev;
/* Set device type as platform device */
e_ctrl->eeprom_device_type = MSM_CAMERA_PLATFORM_DEVICE;
e_ctrl->i2c_client.i2c_func_tbl = &msm_eeprom_cci_func_tbl;
e_ctrl->i2c_client.cci_client = kzalloc(sizeof(
struct msm_camera_cci_client), GFP_KERNEL);
if (!e_ctrl->i2c_client.cci_client) {
pr_err("%s failed no memory\n", __func__);
kfree(e_ctrl);
return -ENOMEM;
}
e_ctrl->eboard_info = kzalloc(sizeof(
struct msm_eeprom_board_info), GFP_KERNEL);
if (!e_ctrl->eboard_info) {
pr_err("%s failed line %d\n", __func__, __LINE__);
rc = -ENOMEM;
goto cciclient_free;
}
eb_info = e_ctrl->eboard_info;
power_info = &eb_info->power_info;
eb_info->i2c_slaveaddr = temp;
power_info->clk_info = cam_8974_clk_info;
power_info->clk_info_size = ARRAY_SIZE(cam_8974_clk_info);
power_info->dev = &pdev->dev;
CDBG("qcom,slave-addr = 0x%X\n", eb_info->i2c_slaveaddr);
cci_client = e_ctrl->i2c_client.cci_client;
cci_client->cci_subdev = msm_cci_get_subdev();
cci_client->cci_i2c_master = e_ctrl->cci_master;
cci_client->sid = eb_info->i2c_slaveaddr >> 1;
cci_client->retries = 3;
cci_client->id_map = 0;
rc = of_property_read_string(of_node, "qcom,eeprom-name",
&eb_info->eeprom_name);
CDBG("%s qcom,eeprom-name %s, rc %d\n", __func__,
eb_info->eeprom_name, rc);
if (rc < 0) {
pr_err("%s failed %d\n", __func__, __LINE__);
goto board_free;
}
rc = msm_eeprom_get_dt_data(e_ctrl);
if (rc)
goto board_free;
rc = msm_eeprom_alloc_memory_map(e_ctrl, of_node);
if (rc)
goto board_free;
rc = msm_camera_power_up(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("failed rc %d\n", rc);
goto memdata_free;
}
rc = read_eeprom_memory(e_ctrl);
if (rc < 0) {
pr_err("%s read_eeprom_memory failed\n", __func__);
goto power_down;
}
pr_err("%s line %d\n", __func__, __LINE__);
for (j = 0; j < e_ctrl->num_bytes; j++)
CDBG("memory_data[%d] = 0x%X\n", j, e_ctrl->memory_data[j]);
rc = msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("failed rc %d\n", rc);
goto memdata_free;
}
v4l2_subdev_init(&e_ctrl->msm_sd.sd,
e_ctrl->eeprom_v4l2_subdev_ops);
v4l2_set_subdevdata(&e_ctrl->msm_sd.sd, e_ctrl);
platform_set_drvdata(pdev, &e_ctrl->msm_sd.sd);
e_ctrl->msm_sd.sd.internal_ops = &msm_eeprom_internal_ops;
e_ctrl->msm_sd.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
snprintf(e_ctrl->msm_sd.sd.name,
ARRAY_SIZE(e_ctrl->msm_sd.sd.name), "msm_eeprom");
media_entity_init(&e_ctrl->msm_sd.sd.entity, 0, NULL, 0);
e_ctrl->msm_sd.sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
e_ctrl->msm_sd.sd.entity.group_id = MSM_CAMERA_SUBDEV_EEPROM;
msm_sd_register(&e_ctrl->msm_sd);
e_ctrl->is_supported = 1;
CDBG("%s X\n", __func__);
return rc;
power_down:
msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
memdata_free:
kfree(e_ctrl->memory_data);
kfree(eb_info->eeprom_map);
board_free:
kfree(e_ctrl->eboard_info);
cciclient_free:
kfree(e_ctrl->i2c_client.cci_client);
kfree(e_ctrl);
return rc;
}
static int msm_eeprom_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int rc = 0;
uint32_t temp = 0;
struct msm_eeprom_ctrl_t *e_ctrl = NULL;
struct msm_camera_power_ctrl_t *power_info = NULL;
struct device_node *of_node = client->dev.of_node;
CDBG("%s E\n", __func__);
if (!of_node) {
pr_err("%s of_node NULL\n", __func__);
return -EINVAL;
}
if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
pr_err("%s i2c_check_functionality failed\n", __func__);
goto probe_failure;
}
e_ctrl = kzalloc(sizeof(struct msm_eeprom_ctrl_t), GFP_KERNEL);
if (!e_ctrl) {
pr_err("%s:%d kzalloc failed\n", __func__, __LINE__);
return -ENOMEM;
}
e_ctrl->eeprom_v4l2_subdev_ops = &msm_eeprom_subdev_ops;
e_ctrl->eeprom_mutex = &msm_eeprom_mutex;
CDBG("%s client = %x\n", __func__, (unsigned int)client);
e_ctrl->eboard_info = kzalloc(sizeof(
struct msm_eeprom_board_info), GFP_KERNEL);
if (!e_ctrl->eboard_info) {
pr_err("%s:%d board info NULL\n", __func__, __LINE__);
return -EINVAL;
}
rc = of_property_read_u32(of_node, "qcom,slave-addr", &temp);
if (rc < 0) {
pr_err("%s failed rc %d\n", __func__, rc);
return rc;
}
power_info = &e_ctrl->eboard_info->power_info;
e_ctrl->eboard_info->i2c_slaveaddr = temp;
e_ctrl->i2c_client.client = client;
e_ctrl->is_supported = 0;
e_ctrl->eeprom_device_type = MSM_CAMERA_I2C_DEVICE;
e_ctrl->i2c_client.i2c_func_tbl = &msm_eeprom_qup_func_tbl;
if (e_ctrl->eboard_info->i2c_slaveaddr != 0)
e_ctrl->i2c_client.client->addr =
e_ctrl->eboard_info->i2c_slaveaddr;
power_info->clk_info = cam_8960_clk_info;
power_info->clk_info_size = ARRAY_SIZE(cam_8960_clk_info);
power_info->dev = &client->dev;
rc = of_property_read_string(of_node, "qcom,eeprom-name",
&e_ctrl->eboard_info->eeprom_name);
CDBG("%s qcom,eeprom-name %s, rc %d\n", __func__,
e_ctrl->eboard_info->eeprom_name, rc);
if (rc < 0) {
pr_err("%s failed %d\n", __func__, __LINE__);
goto board_free;
}
rc = msm_eeprom_get_dt_data(e_ctrl);
if (rc)
goto board_free;
rc = msm_eeprom_parse_memory_map(of_node, "cal",
&e_ctrl->cal_data);
if (rc < 0)
pr_warn("%s: no cal memory map\n", __func__);
rc = msm_camera_power_up(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("%s failed power up %d\n", __func__, __LINE__);
goto memdata_free;
}
if (e_ctrl->cal_data.map) {
rc = read_eeprom_memory(e_ctrl, &e_ctrl->cal_data);
if (rc < 0) {
pr_err("%s: read cal data failed\n", __func__);
goto power_down;
}
e_ctrl->is_supported |= msm_eeprom_match_crc(
&e_ctrl->cal_data);
#ifdef EEPROM_CAM_FW
if (e_ctrl->cal_data.mapdata)
memcpy(eeprom_fw, e_ctrl->cal_data.mapdata + EEPROM_FW_OFFSET, EEPROM_FW_SIZE);
pr_err("%s:%d cam_fw[%s]", __func__, __LINE__, eeprom_fw);
#endif
}
rc = msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
if (rc) {
pr_err("failed rc %d\n", rc);
goto power_down;
}
v4l2_i2c_subdev_init(&e_ctrl->msm_sd.sd,
e_ctrl->i2c_client.client,
e_ctrl->eeprom_v4l2_subdev_ops);
v4l2_set_subdevdata(&e_ctrl->msm_sd.sd, e_ctrl);
e_ctrl->msm_sd.sd.internal_ops = &msm_eeprom_internal_ops;
e_ctrl->msm_sd.sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
media_entity_init(&e_ctrl->msm_sd.sd.entity, 0, NULL, 0);
e_ctrl->msm_sd.sd.entity.type = MEDIA_ENT_T_V4L2_SUBDEV;
e_ctrl->msm_sd.sd.entity.group_id = MSM_CAMERA_SUBDEV_EEPROM;
msm_sd_register(&e_ctrl->msm_sd);
e_ctrl->is_supported = (e_ctrl->is_supported << 1) | 1;
CDBG("%s success result=%d X\n", __func__, rc);
return rc;
power_down:
msm_camera_power_down(power_info, e_ctrl->eeprom_device_type,
&e_ctrl->i2c_client);
memdata_free:
kfree(e_ctrl);
board_free:
kfree(e_ctrl->eboard_info);
probe_failure:
pr_err("%s failed! rc = %d\n", __func__, rc);
return rc;
}