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@@ -90,10 +90,31 @@ struct v4l2_decode_vbi_line {
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not yet implemented) since ops provide proper type-checking.
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*/
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+/* Subdevice external IO pin configuration */
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+#define V4L2_SUBDEV_IO_PIN_DISABLE (1 << 0) /* ENABLE assumed */
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+#define V4L2_SUBDEV_IO_PIN_OUTPUT (1 << 1)
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+#define V4L2_SUBDEV_IO_PIN_INPUT (1 << 2)
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+#define V4L2_SUBDEV_IO_PIN_SET_VALUE (1 << 3) /* Set output value */
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+#define V4L2_SUBDEV_IO_PIN_ACTIVE_LOW (1 << 4) /* ACTIVE HIGH assumed */
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+
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+struct v4l2_subdev_io_pin_config {
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+ u32 flags; /* V4L2_SUBDEV_IO_PIN_* flags for this pin's config */
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+ u8 pin; /* Chip external IO pin to configure */
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+ u8 function; /* Internal signal pad/function to route to IO pin */
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+ u8 value; /* Initial value for pin - e.g. GPIO output value */
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+ u8 strength; /* Pin drive strength */
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+};
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+
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/* s_config: if set, then it is always called by the v4l2_i2c_new_subdev*
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functions after the v4l2_subdev was registered. It is used to pass
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platform data to the subdev which can be used during initialization.
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+ s_io_pin_config: configure one or more chip I/O pins for chips that
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+ multiplex different internal signal pads out to IO pins. This function
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+ takes a pointer to an array of 'n' pin configuration entries, one for
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+ each pin being configured. This function could be called at times
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+ other than just subdevice initialization.
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+
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init: initialize the sensor registors to some sort of reasonable default
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values. Do not use for new drivers and should be removed in existing
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drivers.
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@@ -115,6 +136,8 @@ struct v4l2_subdev_core_ops {
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int (*g_chip_ident)(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip);
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int (*log_status)(struct v4l2_subdev *sd);
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int (*s_config)(struct v4l2_subdev *sd, int irq, void *platform_data);
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+ int (*s_io_pin_config)(struct v4l2_subdev *sd, size_t n,
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+ struct v4l2_subdev_io_pin_config *pincfg);
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int (*init)(struct v4l2_subdev *sd, u32 val);
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int (*load_fw)(struct v4l2_subdev *sd);
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int (*reset)(struct v4l2_subdev *sd, u32 val);
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