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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 17:31:16 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 16:43:09 -0300
commit2c3fb08b3f74b8792004095a1f6881a3296ff643 (patch)
tree19be9d09c4aa66d4363ee9d38a43721f5d6b144f /drivers/media/platform/omap3isp/ispccdc.h
parent2a2d1cf46500ab7599d0b45ee837f3936763ccac (diff)
[media] rename drivers/media/video as .../platform
The remaining drivers are mostly platform drivers. Name the dir to reflect it. It makes sense to latter break it into a few other dirs. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/platform/omap3isp/ispccdc.h')
-rw-r--r--drivers/media/platform/omap3isp/ispccdc.h172
1 files changed, 172 insertions, 0 deletions
diff --git a/drivers/media/platform/omap3isp/ispccdc.h b/drivers/media/platform/omap3isp/ispccdc.h
new file mode 100644
index 000000000000..a5da9e19edbf
--- /dev/null
+++ b/drivers/media/platform/omap3isp/ispccdc.h
@@ -0,0 +1,172 @@
+/*
+ * ispccdc.h
+ *
+ * TI OMAP3 ISP - CCDC module
+ *
+ * Copyright (C) 2009-2010 Nokia Corporation
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ * Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ * 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
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef OMAP3_ISP_CCDC_H
+#define OMAP3_ISP_CCDC_H
+
+#include <linux/omap3isp.h>
+#include <linux/workqueue.h>
+
+#include "ispvideo.h"
+
+enum ccdc_input_entity {
+ CCDC_INPUT_NONE,
+ CCDC_INPUT_PARALLEL,
+ CCDC_INPUT_CSI2A,
+ CCDC_INPUT_CCP2B,
+ CCDC_INPUT_CSI2C
+};
+
+#define CCDC_OUTPUT_MEMORY (1 << 0)
+#define CCDC_OUTPUT_PREVIEW (1 << 1)
+#define CCDC_OUTPUT_RESIZER (1 << 2)
+
+#define OMAP3ISP_CCDC_NEVENTS 16
+
+enum ispccdc_lsc_state {
+ LSC_STATE_STOPPED = 0,
+ LSC_STATE_STOPPING = 1,
+ LSC_STATE_RUNNING = 2,
+ LSC_STATE_RECONFIG = 3,
+};
+
+struct ispccdc_lsc_config_req {
+ struct list_head list;
+ struct omap3isp_ccdc_lsc_config config;
+ unsigned char enable;
+ u32 table;
+ struct iovm_struct *iovm;
+};
+
+/*
+ * ispccdc_lsc - CCDC LSC parameters
+ * @update_config: Set when user changes config
+ * @request_enable: Whether LSC is requested to be enabled
+ * @config: LSC config set by user
+ * @update_table: Set when user provides a new LSC table to table_new
+ * @table_new: LSC table set by user, ISP address
+ * @table_inuse: LSC table currently in use, ISP address
+ */
+struct ispccdc_lsc {
+ enum ispccdc_lsc_state state;
+ struct work_struct table_work;
+
+ /* LSC queue of configurations */
+ spinlock_t req_lock;
+ struct ispccdc_lsc_config_req *request; /* requested configuration */
+ struct ispccdc_lsc_config_req *active; /* active configuration */
+ struct list_head free_queue; /* configurations for freeing */
+};
+
+#define CCDC_STOP_NOT_REQUESTED 0x00
+#define CCDC_STOP_REQUEST 0x01
+#define CCDC_STOP_EXECUTED (0x02 | CCDC_STOP_REQUEST)
+#define CCDC_STOP_CCDC_FINISHED 0x04
+#define CCDC_STOP_LSC_FINISHED 0x08
+#define CCDC_STOP_FINISHED \
+ (CCDC_STOP_EXECUTED | CCDC_STOP_CCDC_FINISHED | CCDC_STOP_LSC_FINISHED)
+
+#define CCDC_EVENT_VD1 0x10
+#define CCDC_EVENT_VD0 0x20
+#define CCDC_EVENT_LSC_DONE 0x40
+
+/* Sink and source CCDC pads */
+#define CCDC_PAD_SINK 0
+#define CCDC_PAD_SOURCE_OF 1
+#define CCDC_PAD_SOURCE_VP 2
+#define CCDC_PADS_NUM 3
+
+/*
+ * struct isp_ccdc_device - Structure for the CCDC module to store its own
+ * information
+ * @subdev: V4L2 subdevice
+ * @pads: Sink and source media entity pads
+ * @formats: Active video formats
+ * @crop: Active crop rectangle on the OF source pad
+ * @input: Active input
+ * @output: Active outputs
+ * @video_out: Output video node
+ * @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
+ * @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 isp_ccdc_device {
+ struct v4l2_subdev subdev;
+ struct media_pad pads[CCDC_PADS_NUM];
+ struct v4l2_mbus_framefmt formats[CCDC_PADS_NUM];
+ struct v4l2_rect crop;
+
+ enum ccdc_input_entity input;
+ unsigned int output;
+ struct isp_video video_out;
+
+ unsigned int alaw:1,
+ lpf:1,
+ obclamp:1,
+ fpc_en:1;
+ struct omap3isp_ccdc_blcomp blcomp;
+ struct omap3isp_ccdc_bclamp clamp;
+ struct omap3isp_ccdc_fpc fpc;
+ struct ispccdc_lsc lsc;
+ unsigned int update;
+ unsigned int shadow_update;
+
+ unsigned int underrun:1;
+ enum isp_pipeline_stream_state state;
+ spinlock_t lock;
+ wait_queue_head_t wait;
+ unsigned int stopping;
+ struct mutex ioctl_lock;
+};
+
+struct isp_device;
+
+int omap3isp_ccdc_init(struct isp_device *isp);
+void omap3isp_ccdc_cleanup(struct isp_device *isp);
+int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
+ struct v4l2_device *vdev);
+void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc);
+
+int omap3isp_ccdc_busy(struct isp_ccdc_device *isp_ccdc);
+int omap3isp_ccdc_isr(struct isp_ccdc_device *isp_ccdc, u32 events);
+void omap3isp_ccdc_restore_context(struct isp_device *isp);
+void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc,
+ unsigned int *max_rate);
+
+#endif /* OMAP3_ISP_CCDC_H */

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