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path: root/drivers/media/i2c/adv7180.c
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Diffstat (limited to 'drivers/media/i2c/adv7180.c')
-rw-r--r--drivers/media/i2c/adv7180.c79
1 files changed, 59 insertions, 20 deletions
diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index afd561ab190d..d7d99f1c69e4 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -1,6 +1,8 @@
/*
* adv7180.c Analog Devices ADV7180 video decoder driver
* Copyright (c) 2009 Intel Corporation
+ * Copyright (C) 2013 Cogent Embedded, Inc.
+ * Copyright (C) 2013 Renesas Solutions Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -27,7 +29,6 @@
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
-#include <media/v4l2-chip-ident.h>
#include <linux/mutex.h>
#define ADV7180_INPUT_CONTROL_REG 0x00
@@ -272,14 +273,6 @@ static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
return ret;
}
-static int adv7180_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_ADV7180, 0);
-}
-
static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct adv7180_state *state = to_state(sd);
@@ -397,14 +390,57 @@ static void adv7180_exit_controls(struct adv7180_state *state)
v4l2_ctrl_handler_free(&state->ctrl_hdl);
}
+static int adv7180_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned int index,
+ enum v4l2_mbus_pixelcode *code)
+{
+ if (index > 0)
+ return -EINVAL;
+
+ *code = V4L2_MBUS_FMT_YUYV8_2X8;
+
+ return 0;
+}
+
+static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
+ struct v4l2_mbus_framefmt *fmt)
+{
+ struct adv7180_state *state = to_state(sd);
+
+ fmt->code = V4L2_MBUS_FMT_YUYV8_2X8;
+ fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ fmt->field = V4L2_FIELD_INTERLACED;
+ fmt->width = 720;
+ fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
+
+ return 0;
+}
+
+static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ /*
+ * The ADV7180 sensor supports BT.601/656 output modes.
+ * The BT.656 is default and not yet configurable by s/w.
+ */
+ cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
+ V4L2_MBUS_DATA_ACTIVE_HIGH;
+ cfg->type = V4L2_MBUS_BT656;
+
+ return 0;
+}
+
static const struct v4l2_subdev_video_ops adv7180_video_ops = {
.querystd = adv7180_querystd,
.g_input_status = adv7180_g_input_status,
.s_routing = adv7180_s_routing,
+ .enum_mbus_fmt = adv7180_enum_mbus_fmt,
+ .try_mbus_fmt = adv7180_mbus_fmt,
+ .g_mbus_fmt = adv7180_mbus_fmt,
+ .s_mbus_fmt = adv7180_mbus_fmt,
+ .g_mbus_config = adv7180_g_mbus_config,
};
static const struct v4l2_subdev_core_ops adv7180_core_ops = {
- .g_chip_ident = adv7180_g_chip_ident,
.s_std = adv7180_s_std,
};
@@ -555,7 +591,7 @@ static int adv7180_probe(struct i2c_client *client,
v4l_info(client, "chip found @ 0x%02x (%s)\n",
client->addr, client->adapter->name);
- state = kzalloc(sizeof(struct adv7180_state), GFP_KERNEL);
+ state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
if (state == NULL) {
ret = -ENOMEM;
goto err;
@@ -582,7 +618,6 @@ err_free_ctrl:
err_unreg_subdev:
mutex_destroy(&state->mutex);
v4l2_device_unregister_subdev(sd);
- kfree(state);
err:
printk(KERN_ERR KBUILD_MODNAME ": Failed to probe: %d\n", ret);
return ret;
@@ -607,7 +642,6 @@ static int adv7180_remove(struct i2c_client *client)
mutex_destroy(&state->mutex);
v4l2_device_unregister_subdev(sd);
- kfree(to_state(sd));
return 0;
}
@@ -616,9 +650,10 @@ static const struct i2c_device_id adv7180_id[] = {
{},
};
-#ifdef CONFIG_PM
-static int adv7180_suspend(struct i2c_client *client, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int adv7180_suspend(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
int ret;
ret = i2c_smbus_write_byte_data(client, ADV7180_PWR_MAN_REG,
@@ -628,8 +663,9 @@ static int adv7180_suspend(struct i2c_client *client, pm_message_t state)
return 0;
}
-static int adv7180_resume(struct i2c_client *client)
+static int adv7180_resume(struct device *dev)
{
+ struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct adv7180_state *state = to_state(sd);
int ret;
@@ -643,6 +679,12 @@ static int adv7180_resume(struct i2c_client *client)
return ret;
return 0;
}
+
+static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
+#define ADV7180_PM_OPS (&adv7180_pm_ops)
+
+#else
+#define ADV7180_PM_OPS NULL
#endif
MODULE_DEVICE_TABLE(i2c, adv7180_id);
@@ -651,13 +693,10 @@ static struct i2c_driver adv7180_driver = {
.driver = {
.owner = THIS_MODULE,
.name = KBUILD_MODNAME,
+ .pm = ADV7180_PM_OPS,
},
.probe = adv7180_probe,
.remove = adv7180_remove,
-#ifdef CONFIG_PM
- .suspend = adv7180_suspend,
- .resume = adv7180_resume,
-#endif
.id_table = adv7180_id,
};