diff options
Diffstat (limited to 'drivers/media/video/omap3isp/isppreview.h')
| -rw-r--r-- | drivers/media/video/omap3isp/isppreview.h | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/drivers/media/video/omap3isp/isppreview.h b/drivers/media/video/omap3isp/isppreview.h new file mode 100644 index 000000000000..f2d63ca4bd6f --- /dev/null +++ b/drivers/media/video/omap3isp/isppreview.h @@ -0,0 +1,214 @@ +/* + * isppreview.h + * + * TI OMAP3 ISP - Preview module + * + * Copyright (C) 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_PREVIEW_H +#define OMAP3_ISP_PREVIEW_H + +#include <linux/omap3isp.h> +#include <linux/types.h> +#include <media/v4l2-ctrls.h> + +#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 + +#define NO_AVE 0x0 +#define AVE_2_PIX 0x1 +#define AVE_4_PIX 0x2 +#define AVE_8_PIX 0x3 + +/* 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. + * @average: Downsampling rate for averager. + * @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 average; + 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 + * @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 occured 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_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 */ |