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-rw-r--r--drivers/media/platform/omap3isp/ispstat.h169
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/media/platform/omap3isp/ispstat.h b/drivers/media/platform/omap3isp/ispstat.h
new file mode 100644
index 000000000000..9b7c8654dc8a
--- /dev/null
+++ b/drivers/media/platform/omap3isp/ispstat.h
@@ -0,0 +1,169 @@
+/*
+ * ispstat.h
+ *
+ * TI OMAP3 ISP - Statistics core
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ * Copyright (C) 2009 Texas Instruments, Inc
+ *
+ * Contacts: David Cohen <dacohen@gmail.com>
+ * 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_STAT_H
+#define OMAP3_ISP_STAT_H
+
+#include <linux/types.h>
+#include <linux/omap3isp.h>
+#include <plat/dma.h>
+#include <media/v4l2-event.h>
+
+#include "isp.h"
+#include "ispvideo.h"
+
+#define STAT_MAX_BUFS 5
+#define STAT_NEVENTS 8
+
+#define STAT_BUF_DONE 0 /* Buffer is ready */
+#define STAT_NO_BUF 1 /* An error has occurred */
+#define STAT_BUF_WAITING_DMA 2 /* Histogram only: DMA is running */
+
+struct ispstat;
+
+struct ispstat_buffer {
+ unsigned long iommu_addr;
+ struct iovm_struct *iovm;
+ void *virt_addr;
+ dma_addr_t dma_addr;
+ struct timeval ts;
+ u32 buf_size;
+ u32 frame_number;
+ u16 config_counter;
+ u8 empty;
+};
+
+struct ispstat_ops {
+ /*
+ * Validate new params configuration.
+ * new_conf->buf_size value must be changed to the exact buffer size
+ * necessary for the new configuration if it's smaller.
+ */
+ int (*validate_params)(struct ispstat *stat, void *new_conf);
+
+ /*
+ * Save new params configuration.
+ * stat->priv->buf_size value must be set to the exact buffer size for
+ * the new configuration.
+ * stat->update is set to 1 if new configuration is different than
+ * current one.
+ */
+ void (*set_params)(struct ispstat *stat, void *new_conf);
+
+ /* Apply stored configuration. */
+ void (*setup_regs)(struct ispstat *stat, void *priv);
+
+ /* Enable/Disable module. */
+ void (*enable)(struct ispstat *stat, int enable);
+
+ /* Verify is module is busy. */
+ int (*busy)(struct ispstat *stat);
+
+ /* Used for specific operations during generic buf process task. */
+ int (*buf_process)(struct ispstat *stat);
+};
+
+enum ispstat_state_t {
+ ISPSTAT_DISABLED = 0,
+ ISPSTAT_DISABLING,
+ ISPSTAT_ENABLED,
+ ISPSTAT_ENABLING,
+ ISPSTAT_SUSPENDED,
+};
+
+struct ispstat {
+ struct v4l2_subdev subdev;
+ struct media_pad pad; /* sink pad */
+
+ /* Control */
+ unsigned configured:1;
+ unsigned update:1;
+ unsigned buf_processing:1;
+ unsigned sbl_ovl_recover:1;
+ u8 inc_config;
+ atomic_t buf_err;
+ enum ispstat_state_t state; /* enabling/disabling state */
+ struct omap_dma_channel_params dma_config;
+ struct isp_device *isp;
+ void *priv; /* pointer to priv config struct */
+ void *recover_priv; /* pointer to recover priv configuration */
+ struct mutex ioctl_lock; /* serialize private ioctl */
+
+ const struct ispstat_ops *ops;
+
+ /* Buffer */
+ u8 wait_acc_frames;
+ u16 config_counter;
+ u32 frame_number;
+ u32 buf_size;
+ u32 buf_alloc_size;
+ int dma_ch;
+ unsigned long event_type;
+ struct ispstat_buffer *buf;
+ struct ispstat_buffer *active_buf;
+ struct ispstat_buffer *locked_buf;
+};
+
+struct ispstat_generic_config {
+ /*
+ * Fields must be in the same order as in:
+ * - omap3isp_h3a_aewb_config
+ * - omap3isp_h3a_af_config
+ * - omap3isp_hist_config
+ */
+ u32 buf_size;
+ u16 config_counter;
+};
+
+int omap3isp_stat_config(struct ispstat *stat, void *new_conf);
+int omap3isp_stat_request_statistics(struct ispstat *stat,
+ struct omap3isp_stat_data *data);
+int omap3isp_stat_init(struct ispstat *stat, const char *name,
+ const struct v4l2_subdev_ops *sd_ops);
+void omap3isp_stat_cleanup(struct ispstat *stat);
+int omap3isp_stat_subscribe_event(struct v4l2_subdev *subdev,
+ struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub);
+int omap3isp_stat_unsubscribe_event(struct v4l2_subdev *subdev,
+ struct v4l2_fh *fh,
+ struct v4l2_event_subscription *sub);
+int omap3isp_stat_s_stream(struct v4l2_subdev *subdev, int enable);
+
+int omap3isp_stat_busy(struct ispstat *stat);
+int omap3isp_stat_pcr_busy(struct ispstat *stat);
+void omap3isp_stat_suspend(struct ispstat *stat);
+void omap3isp_stat_resume(struct ispstat *stat);
+int omap3isp_stat_enable(struct ispstat *stat, u8 enable);
+void omap3isp_stat_sbl_overflow(struct ispstat *stat);
+void omap3isp_stat_isr(struct ispstat *stat);
+void omap3isp_stat_isr_frame_sync(struct ispstat *stat);
+void omap3isp_stat_dma_isr(struct ispstat *stat);
+int omap3isp_stat_register_entities(struct ispstat *stat,
+ struct v4l2_device *vdev);
+void omap3isp_stat_unregister_entities(struct ispstat *stat);
+
+#endif /* OMAP3_ISP_STAT_H */

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