| /* |
| * 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_free(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 */ |