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path: root/drivers/media/i2c/adv7343.c
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Diffstat (limited to 'drivers/media/i2c/adv7343.c')
-rw-r--r--drivers/media/i2c/adv7343.c115
1 files changed, 90 insertions, 25 deletions
diff --git a/drivers/media/i2c/adv7343.c b/drivers/media/i2c/adv7343.c
index 2b5aa676a84..9d38f7b36cd 100644
--- a/drivers/media/i2c/adv7343.c
+++ b/drivers/media/i2c/adv7343.c
@@ -25,10 +25,12 @@
#include <linux/module.h>
#include <linux/videodev2.h>
#include <linux/uaccess.h>
+#include <linux/of.h>
+#include <linux/of_graph.h>
#include <media/adv7343.h>
+#include <media/v4l2-async.h>
#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
#include <media/v4l2-ctrls.h>
#include "adv7343_regs.h"
@@ -43,6 +45,7 @@ MODULE_PARM_DESC(debug, "Debug level 0-1");
struct adv7343_state {
struct v4l2_subdev sd;
struct v4l2_ctrl_handler hdl;
+ const struct adv7343_platform_data *pdata;
u8 reg00;
u8 reg01;
u8 reg02;
@@ -215,12 +218,23 @@ static int adv7343_setoutput(struct v4l2_subdev *sd, u32 output_type)
/* Enable Appropriate DAC */
val = state->reg00 & 0x03;
- if (output_type == ADV7343_COMPOSITE_ID)
- val |= ADV7343_COMPOSITE_POWER_VALUE;
- else if (output_type == ADV7343_COMPONENT_ID)
- val |= ADV7343_COMPONENT_POWER_VALUE;
+ /* configure default configuration */
+ if (!state->pdata)
+ if (output_type == ADV7343_COMPOSITE_ID)
+ val |= ADV7343_COMPOSITE_POWER_VALUE;
+ else if (output_type == ADV7343_COMPONENT_ID)
+ val |= ADV7343_COMPONENT_POWER_VALUE;
+ else
+ val |= ADV7343_SVIDEO_POWER_VALUE;
else
- val |= ADV7343_SVIDEO_POWER_VALUE;
+ val = state->pdata->mode_config.sleep_mode << 0 |
+ state->pdata->mode_config.pll_control << 1 |
+ state->pdata->mode_config.dac[2] << 2 |
+ state->pdata->mode_config.dac[1] << 3 |
+ state->pdata->mode_config.dac[0] << 4 |
+ state->pdata->mode_config.dac[5] << 5 |
+ state->pdata->mode_config.dac[4] << 6 |
+ state->pdata->mode_config.dac[3] << 7;
err = adv7343_write(sd, ADV7343_POWER_MODE_REG, val);
if (err < 0)
@@ -238,6 +252,17 @@ static int adv7343_setoutput(struct v4l2_subdev *sd, u32 output_type)
/* configure SD DAC Output 2 and SD DAC Output 1 bit to zero */
val = state->reg82 & (SD_DAC_1_DI & SD_DAC_2_DI);
+
+ if (state->pdata && state->pdata->sd_config.sd_dac_out[0])
+ val = val | (state->pdata->sd_config.sd_dac_out[0] << 1);
+ else if (state->pdata && !state->pdata->sd_config.sd_dac_out[0])
+ val = val & ~(state->pdata->sd_config.sd_dac_out[0] << 1);
+
+ if (state->pdata && state->pdata->sd_config.sd_dac_out[1])
+ val = val | (state->pdata->sd_config.sd_dac_out[1] << 2);
+ else if (state->pdata && !state->pdata->sd_config.sd_dac_out[1])
+ val = val & ~(state->pdata->sd_config.sd_dac_out[1] << 2);
+
err = adv7343_write(sd, ADV7343_SD_MODE_REG2, val);
if (err < 0)
goto setoutput_exit;
@@ -288,21 +313,12 @@ static int adv7343_s_ctrl(struct v4l2_ctrl *ctrl)
return -EINVAL;
}
-static int adv7343_g_chip_ident(struct v4l2_subdev *sd,
- struct v4l2_dbg_chip_ident *chip)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_ADV7343, 0);
-}
-
static const struct v4l2_ctrl_ops adv7343_ctrl_ops = {
.s_ctrl = adv7343_s_ctrl,
};
static const struct v4l2_subdev_core_ops adv7343_core_ops = {
.log_status = adv7343_log_status,
- .g_chip_ident = adv7343_g_chip_ident,
.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
@@ -385,6 +401,40 @@ static int adv7343_initialize(struct v4l2_subdev *sd)
return err;
}
+static struct adv7343_platform_data *
+adv7343_get_pdata(struct i2c_client *client)
+{
+ struct adv7343_platform_data *pdata;
+ struct device_node *np;
+
+ if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
+ return client->dev.platform_data;
+
+ np = of_graph_get_next_endpoint(client->dev.of_node, NULL);
+ if (!np)
+ return NULL;
+
+ pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ goto done;
+
+ pdata->mode_config.sleep_mode =
+ of_property_read_bool(np, "adi,power-mode-sleep-mode");
+
+ pdata->mode_config.pll_control =
+ of_property_read_bool(np, "adi,power-mode-pll-ctrl");
+
+ of_property_read_u32_array(np, "adi,dac-enable",
+ pdata->mode_config.dac, 6);
+
+ of_property_read_u32_array(np, "adi,sd-dac-enable",
+ pdata->sd_config.sd_dac_out, 2);
+
+done:
+ of_node_put(np);
+ return pdata;
+}
+
static int adv7343_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -397,10 +447,14 @@ static int adv7343_probe(struct i2c_client *client,
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);
- state = kzalloc(sizeof(struct adv7343_state), GFP_KERNEL);
+ state = devm_kzalloc(&client->dev, sizeof(struct adv7343_state),
+ GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
+ /* Copy board specific information here */
+ state->pdata = adv7343_get_pdata(client);
+
state->reg00 = 0x80;
state->reg01 = 0x00;
state->reg02 = 0x20;
@@ -428,19 +482,21 @@ static int adv7343_probe(struct i2c_client *client,
ADV7343_GAIN_DEF);
state->sd.ctrl_handler = &state->hdl;
if (state->hdl.error) {
- int err = state->hdl.error;
-
- v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
- return err;
+ err = state->hdl.error;
+ goto done;
}
v4l2_ctrl_handler_setup(&state->hdl);
err = adv7343_initialize(&state->sd);
- if (err) {
+ if (err)
+ goto done;
+
+ err = v4l2_async_register_subdev(&state->sd);
+
+done:
+ if (err < 0)
v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
- }
+
return err;
}
@@ -449,9 +505,9 @@ static int adv7343_remove(struct i2c_client *client)
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct adv7343_state *state = to_state(sd);
+ v4l2_async_unregister_subdev(&state->sd);
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(&state->hdl);
- kfree(state);
return 0;
}
@@ -463,8 +519,17 @@ static const struct i2c_device_id adv7343_id[] = {
MODULE_DEVICE_TABLE(i2c, adv7343_id);
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id adv7343_of_match[] = {
+ {.compatible = "adi,adv7343", },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, adv7343_of_match);
+#endif
+
static struct i2c_driver adv7343_driver = {
.driver = {
+ .of_match_table = of_match_ptr(adv7343_of_match),
.owner = THIS_MODULE,
.name = "adv7343",
},
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 21:22:21 +0000