1 files changed, 93 insertions, 50 deletions

diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c
index 027809c..a4e4948 100644
--- a/drivers/media/i2c/tvp7002.c
+++ b/drivers/media/i2c/tvp7002.c
@@ -32,7 +32,6 @@
 #include <linux/v4l2-dv-timings.h>
 #include <media/tvp7002.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
 #include <media/v4l2-common.h>
 #include <media/v4l2-ctrls.h>
 #include "tvp7002_reg.h"
@@ -41,9 +40,6 @@ MODULE_DESCRIPTION("TI TVP7002 Video and Graphics Digitizer driver");
 MODULE_AUTHOR("Santiago Nunez-Corrales <santiago.nunez@ridgerun.com>");
 MODULE_LICENSE("GPL");
 
-/* Module Name */
-#define TVP7002_MODULE_NAME	"tvp7002"
-
 /* I2C retry attempts */
 #define I2C_RETRY_COUNT		(5)
 
@@ -424,6 +420,7 @@ struct tvp7002 {
 	int streaming;
 
 	const struct tvp7002_timings_definition *current_timings;
+	struct media_pad pad;
 };
 
 /*
@@ -535,29 +532,6 @@ static inline void tvp7002_write_err(struct v4l2_subdev *sd, u8 reg,
 }
 
 /*
- * tvp7002_g_chip_ident() - Get chip identification number
- * @sd: ptr to v4l2_subdev struct
- * @chip: ptr to v4l2_dbg_chip_ident struct
- *
- * Obtains the chip's identification number.
- * Returns zero or -EINVAL if read operation fails.
- */
-static int tvp7002_g_chip_ident(struct v4l2_subdev *sd,
-					struct v4l2_dbg_chip_ident *chip)
-{
-	u8 rev;
-	int error;
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	error = tvp7002_read(sd, TVP7002_CHIP_REV, &rev);
-
-	if (error < 0)
-		return error;
-
-	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP7002, rev);
-}
-
-/*
  * tvp7002_write_inittab() - Write initialization values
  * @sd: ptr to v4l2_subdev struct
  * @regs: ptr to i2c_reg_value struct
@@ -738,23 +712,17 @@ static int tvp7002_query_dv_timings(struct v4l2_subdev *sd,
  *
  * Get the value of a TVP7002 decoder device register.
  * Returns zero when successful, -EINVAL if register read fails or
- * access to I2C client fails, -EPERM if the call is not allowed
- * by disabled CAP_SYS_ADMIN.
+ * access to I2C client fails.
  */
 static int tvp7002_g_register(struct v4l2_subdev *sd,
 						struct v4l2_dbg_register *reg)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	u8 val;
 	int ret;
 
-	if (!v4l2_chip_match_i2c_client(client, &reg->match))
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
 	ret = tvp7002_read(sd, reg->reg & 0xff, &val);
 	reg->val = val;
+	reg->size = 1;
 	return ret;
 }
 
@@ -764,19 +732,11 @@ static int tvp7002_g_register(struct v4l2_subdev *sd,
  * @reg: ptr to v4l2_dbg_register struct
  *
  * Get the value of a TVP7002 decoder device register.
- * Returns zero when successful, -EINVAL if register read fails or
- * -EPERM if call not allowed.
+ * Returns zero when successful, -EINVAL if register read fails.
  */
 static int tvp7002_s_register(struct v4l2_subdev *sd,
 						const struct v4l2_dbg_register *reg)
 {
-	struct i2c_client *client = v4l2_get_subdevdata(sd);
-
-	if (!v4l2_chip_match_i2c_client(client, &reg->match))
-		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
 	return tvp7002_write(sd, reg->reg & 0xff, reg->val & 0xff);
 }
 #endif
@@ -880,9 +840,67 @@ static const struct v4l2_ctrl_ops tvp7002_ctrl_ops = {
 	.s_ctrl = tvp7002_s_ctrl,
 };
 
+/*
+ * tvp7002_enum_mbus_code() - Enum supported digital video format on pad
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @fh: file handle for the subdev
+ * @code: pointer to subdev enum mbus code struct
+ *
+ * Enumerate supported digital video formats for pad.
+ */
+static int
+tvp7002_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+		       struct v4l2_subdev_mbus_code_enum *code)
+{
+	/* Check requested format index is within range */
+	if (code->index != 0)
+		return -EINVAL;
+
+	code->code = V4L2_MBUS_FMT_YUYV10_1X20;
+
+	return 0;
+}
+
+/*
+ * tvp7002_get_pad_format() - get video format on pad
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @fh: file handle for the subdev
+ * @fmt: pointer to subdev format struct
+ *
+ * get video format for pad.
+ */
+static int
+tvp7002_get_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+		       struct v4l2_subdev_format *fmt)
+{
+	struct tvp7002 *tvp7002 = to_tvp7002(sd);
+
+	fmt->format.code = V4L2_MBUS_FMT_YUYV10_1X20;
+	fmt->format.width = tvp7002->current_timings->timings.bt.width;
+	fmt->format.height = tvp7002->current_timings->timings.bt.height;
+	fmt->format.field = tvp7002->current_timings->scanmode;
+	fmt->format.colorspace = tvp7002->current_timings->color_space;
+
+	return 0;
+}
+
+/*
+ * tvp7002_set_pad_format() - set video format on pad
+ * @sd: pointer to standard V4L2 sub-device structure
+ * @fh: file handle for the subdev
+ * @fmt: pointer to subdev format struct
+ *
+ * set video format for pad.
+ */
+static int
+tvp7002_set_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+		       struct v4l2_subdev_format *fmt)
+{
+	return tvp7002_get_pad_format(sd, fh, fmt);
+}
+
 /* V4L2 core operation handlers */
 static const struct v4l2_subdev_core_ops tvp7002_core_ops = {
-	.g_chip_ident = tvp7002_g_chip_ident,
 	.log_status = tvp7002_log_status,
 	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
 	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
@@ -910,10 +928,18 @@ static const struct v4l2_subdev_video_ops tvp7002_video_ops = {
 	.enum_mbus_fmt = tvp7002_enum_mbus_fmt,
 };
 
+/* media pad related operation handlers */
+static const struct v4l2_subdev_pad_ops tvp7002_pad_ops = {
+	.enum_mbus_code = tvp7002_enum_mbus_code,
+	.get_fmt = tvp7002_get_pad_format,
+	.set_fmt = tvp7002_set_pad_format,
+};
+
 /* V4L2 top level operation handlers */
 static const struct v4l2_subdev_ops tvp7002_ops = {
 	.core = &tvp7002_core_ops,
 	.video = &tvp7002_video_ops,
+	.pad = &tvp7002_pad_ops,
 };
 
 /*
@@ -993,19 +1019,34 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id)
 	timings = device->current_timings->timings;
 	error = tvp7002_s_dv_timings(sd, &timings);
 
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	device->pad.flags = MEDIA_PAD_FL_SOURCE;
+	device->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
+	device->sd.entity.flags |= MEDIA_ENT_T_V4L2_SUBDEV_DECODER;
+
+	error = media_entity_init(&device->sd.entity, 1, &device->pad, 0);
+	if (error < 0)
+		return error;
+#endif
+
 	v4l2_ctrl_handler_init(&device->hdl, 1);
 	v4l2_ctrl_new_std(&device->hdl, &tvp7002_ctrl_ops,
 			V4L2_CID_GAIN, 0, 255, 1, 0);
 	sd->ctrl_handler = &device->hdl;
 	if (device->hdl.error) {
-		int err = device->hdl.error;
-
-		v4l2_ctrl_handler_free(&device->hdl);
-		return err;
+		error = device->hdl.error;
+		goto error;
 	}
 	v4l2_ctrl_handler_setup(&device->hdl);
 
 	return 0;
+
+error:
+	v4l2_ctrl_handler_free(&device->hdl);
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	media_entity_cleanup(&device->sd.entity);
+#endif
+	return error;
 }
 
 /*
@@ -1022,7 +1063,9 @@ static int tvp7002_remove(struct i2c_client *c)
 
 	v4l2_dbg(1, debug, sd, "Removing tvp7002 adapter"
 				"on address 0x%x\n", c->addr);
-
+#if defined(CONFIG_MEDIA_CONTROLLER)
+	media_entity_cleanup(&device->sd.entity);
+#endif
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(&device->hdl);
 	return 0;