/* * isppreview.h * * TI OMAP3 ISP - Preview module * * Copyright (C) 2010 Nokia Corporation * Copyright (C) 2009 Texas Instruments, Inc. * * Contacts: Laurent Pinchart * Sakari Ailus * * 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_PREVIEW_H #define OMAP3_ISP_PREVIEW_H #include #include #include #include "ispvideo.h" #define ISPPRV_BRIGHT_STEP 0x1 #define ISPPRV_BRIGHT_DEF 0x0 #define ISPPRV_BRIGHT_LOW 0x0 #define ISPPRV_BRIGHT_HIGH 0xFF #define ISPPRV_BRIGHT_UNITS 0x1 #define ISPPRV_CONTRAST_STEP 0x1 #define ISPPRV_CONTRAST_DEF 0x10 #define ISPPRV_CONTRAST_LOW 0x0 #define ISPPRV_CONTRAST_HIGH 0xFF #define ISPPRV_CONTRAST_UNITS 0x1 /* Features list */ #define PREV_LUMA_ENHANCE OMAP3ISP_PREV_LUMAENH #define PREV_INVERSE_ALAW OMAP3ISP_PREV_INVALAW #define PREV_HORZ_MEDIAN_FILTER OMAP3ISP_PREV_HRZ_MED #define PREV_CFA OMAP3ISP_PREV_CFA #define PREV_CHROMA_SUPPRESS OMAP3ISP_PREV_CHROMA_SUPP #define PREV_WB OMAP3ISP_PREV_WB #define PREV_BLKADJ OMAP3ISP_PREV_BLKADJ #define PREV_RGB2RGB OMAP3ISP_PREV_RGB2RGB #define PREV_COLOR_CONV OMAP3ISP_PREV_COLOR_CONV #define PREV_YCLIMITS OMAP3ISP_PREV_YC_LIMIT #define PREV_DEFECT_COR OMAP3ISP_PREV_DEFECT_COR #define PREV_GAMMA_BYPASS OMAP3ISP_PREV_GAMMABYPASS #define PREV_DARK_FRAME_CAPTURE OMAP3ISP_PREV_DRK_FRM_CAPTURE #define PREV_DARK_FRAME_SUBTRACT OMAP3ISP_PREV_DRK_FRM_SUBTRACT #define PREV_LENS_SHADING OMAP3ISP_PREV_LENS_SHADING #define PREV_NOISE_FILTER OMAP3ISP_PREV_NF #define PREV_GAMMA OMAP3ISP_PREV_GAMMA #define PREV_CONTRAST (1 << 17) #define PREV_BRIGHTNESS (1 << 18) #define PREV_AVERAGER (1 << 19) #define PREV_FEATURES_END (1 << 20) enum preview_input_entity { PREVIEW_INPUT_NONE, PREVIEW_INPUT_CCDC, PREVIEW_INPUT_MEMORY, }; #define PREVIEW_OUTPUT_RESIZER (1 << 1) #define PREVIEW_OUTPUT_MEMORY (1 << 2) /* Configure byte layout of YUV image */ enum preview_ycpos_mode { YCPOS_YCrYCb = 0, YCPOS_YCbYCr = 1, YCPOS_CbYCrY = 2, YCPOS_CrYCbY = 3 }; /* * struct prev_params - Structure for all configuration * @features: Set of features enabled. * @cfa: CFA coefficients. * @csup: Chroma suppression coefficients. * @luma: Luma enhancement coefficients. * @nf: Noise filter coefficients. * @dcor: Noise filter coefficients. * @gamma: Gamma coefficients. * @wbal: White Balance parameters. * @blk_adj: Black adjustment parameters. * @rgb2rgb: RGB blending parameters. * @rgb2ycbcr: RGB to ycbcr parameters. * @hmed: Horizontal median filter. * @yclimit: YC limits parameters. * @contrast: Contrast. * @brightness: Brightness. */ struct prev_params { u32 features; struct omap3isp_prev_cfa cfa; struct omap3isp_prev_csup csup; struct omap3isp_prev_luma luma; struct omap3isp_prev_nf nf; struct omap3isp_prev_dcor dcor; struct omap3isp_prev_gtables gamma; struct omap3isp_prev_wbal wbal; struct omap3isp_prev_blkadj blk_adj; struct omap3isp_prev_rgbtorgb rgb2rgb; struct omap3isp_prev_csc rgb2ycbcr; struct omap3isp_prev_hmed hmed; struct omap3isp_prev_yclimit yclimit; u8 contrast; u8 brightness; }; /* * struct isptables_update - Structure for Table Configuration. * @update: Specifies which tables should be updated. * @flag: Specifies which tables should be enabled. * @nf: Pointer to structure for Noise Filter * @lsc: Pointer to LSC gain table. (currently not used) * @gamma: Pointer to gamma correction tables. * @cfa: Pointer to color filter array configuration. * @wbal: Pointer to colour and digital gain configuration. */ struct isptables_update { u32 update; u32 flag; struct omap3isp_prev_nf *nf; u32 *lsc; struct omap3isp_prev_gtables *gamma; struct omap3isp_prev_cfa *cfa; struct omap3isp_prev_wbal *wbal; }; /* Sink and source previewer pads */ #define PREV_PAD_SINK 0 #define PREV_PAD_SOURCE 1 #define PREV_PADS_NUM 2 /* * struct isp_prev_device - Structure for storing ISP Preview module information * @subdev: V4L2 subdevice * @pads: Media entity pads * @formats: Active formats at the subdev pad * @crop: Active crop rectangle * @input: Module currently connected to the input pad * @output: Bitmask of the active output * @video_in: Input video entity * @video_out: Output video entity * @error: A hardware error occurred during capture * @params: Module configuration data * @shadow_update: If set, update the hardware configured in the next interrupt * @underrun: Whether the preview entity has queued buffers on the output * @state: Current preview pipeline state * @lock: Shadow update lock * @update: Bitmask of the parameters to be updated * * This structure is used to store the OMAP ISP Preview module Information. */ struct isp_prev_device { struct v4l2_subdev subdev; struct media_pad pads[PREV_PADS_NUM]; struct v4l2_mbus_framefmt formats[PREV_PADS_NUM]; struct v4l2_rect crop; struct v4l2_ctrl_handler ctrls; enum preview_input_entity input; unsigned int output; struct isp_video video_in; struct isp_video video_out; unsigned int error; struct prev_params params; unsigned int shadow_update:1; enum isp_pipeline_stream_state state; wait_queue_head_t wait; atomic_t stopping; spinlock_t lock; u32 update; }; struct isp_device; int omap3isp_preview_init(struct isp_device *isp); void omap3isp_preview_cleanup(struct isp_device *isp); int omap3isp_preview_register_entities(struct isp_prev_device *prv, struct v4l2_device *vdev); void omap3isp_preview_unregister_entities(struct isp_prev_device *prv); void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev); void omap3isp_preview_isr(struct isp_prev_device *prev); int omap3isp_preview_busy(struct isp_prev_device *isp_prev); void omap3isp_preview_restore_context(struct isp_device *isp); #endif /* OMAP3_ISP_PREVIEW_H */