Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / media / omap4iss / iss_ipipeif.h

diff --git a/kernel/drivers/staging/media/omap4iss/iss_ipipeif.h b/kernel/drivers/staging/media/omap4iss/iss_ipipeif.h
new file mode 100644 (file)
index 0000000..cbdccb9
--- /dev/null
+++ b/kernel/drivers/staging/media/omap4iss/iss_ipipeif.h
@@ -0,0 +1,92 @@
+/*
+ * TI OMAP4 ISS V4L2 Driver - ISP IPIPEIF module
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef OMAP4_ISS_IPIPEIF_H
+#define OMAP4_ISS_IPIPEIF_H
+
+#include "iss_video.h"
+
+enum ipipeif_input_entity {
+       IPIPEIF_INPUT_NONE,
+       IPIPEIF_INPUT_CSI2A,
+       IPIPEIF_INPUT_CSI2B
+};
+
+#define IPIPEIF_OUTPUT_MEMORY          (1 << 0)
+#define IPIPEIF_OUTPUT_VP              (1 << 1)
+
+/* Sink and source IPIPEIF pads */
+#define IPIPEIF_PAD_SINK                       0
+#define IPIPEIF_PAD_SOURCE_ISIF_SF             1
+#define IPIPEIF_PAD_SOURCE_VP                  2
+#define IPIPEIF_PADS_NUM                       3
+
+/*
+ * struct iss_ipipeif_device - Structure for the IPIPEIF module to store its own
+ *                         information
+ * @subdev: V4L2 subdevice
+ * @pads: Sink and source media entity pads
+ * @formats: Active video formats
+ * @input: Active input
+ * @output: Active outputs
+ * @video_out: Output video node
+ * @error: A hardware error occurred during capture
+ * @alaw: A-law compression enabled (1) or disabled (0)
+ * @lpf: Low pass filter enabled (1) or disabled (0)
+ * @obclamp: Optical-black clamp enabled (1) or disabled (0)
+ * @fpc_en: Faulty pixels correction enabled (1) or disabled (0)
+ * @blcomp: Black level compensation configuration
+ * @clamp: Optical-black or digital clamp configuration
+ * @fpc: Faulty pixels correction configuration
+ * @lsc: Lens shading compensation configuration
+ * @update: Bitmask of controls to update during the next interrupt
+ * @shadow_update: Controls update in progress by userspace
+ * @syncif: Interface synchronization configuration
+ * @vpcfg: Video port configuration
+ * @underrun: A buffer underrun occurred and a new buffer has been queued
+ * @state: Streaming state
+ * @lock: Serializes shadow_update with interrupt handler
+ * @wait: Wait queue used to stop the module
+ * @stopping: Stopping state
+ * @ioctl_lock: Serializes ioctl calls and LSC requests freeing
+ */
+struct iss_ipipeif_device {
+       struct v4l2_subdev subdev;
+       struct media_pad pads[IPIPEIF_PADS_NUM];
+       struct v4l2_mbus_framefmt formats[IPIPEIF_PADS_NUM];
+
+       enum ipipeif_input_entity input;
+       unsigned int output;
+       struct iss_video video_out;
+       unsigned int error;
+
+       enum iss_pipeline_stream_state state;
+       wait_queue_head_t wait;
+       atomic_t stopping;
+};
+
+struct iss_device;
+
+int omap4iss_ipipeif_init(struct iss_device *iss);
+void omap4iss_ipipeif_cleanup(struct iss_device *iss);
+int omap4iss_ipipeif_register_entities(struct iss_ipipeif_device *ipipeif,
+       struct v4l2_device *vdev);
+void omap4iss_ipipeif_unregister_entities(struct iss_ipipeif_device *ipipeif);
+
+int omap4iss_ipipeif_busy(struct iss_ipipeif_device *ipipeif);
+void omap4iss_ipipeif_isr(struct iss_ipipeif_device *ipipeif, u32 events);
+void omap4iss_ipipeif_restore_context(struct iss_device *iss);
+void omap4iss_ipipeif_max_rate(struct iss_ipipeif_device *ipipeif,
+       unsigned int *max_rate);
+
+#endif /* OMAP4_ISS_IPIPEIF_H */