| /* |
| * 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@maxwell.research.nokia.com> |
| * |
| * 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 isp_preview_init(struct isp_device *isp); |
| void isp_preview_cleanup(struct isp_device *isp); |
| |
| int isp_preview_register_entities(struct isp_prev_device *prv, |
| struct v4l2_device *vdev); |
| void isp_preview_unregister_entities(struct isp_prev_device *prv); |
| |
| void isppreview_isr_frame_sync(struct isp_prev_device *prev); |
| void isppreview_isr(struct isp_prev_device *prev); |
| |
| int isppreview_busy(struct isp_prev_device *isp_prev); |
| |
| void isppreview_restore_context(struct isp_device *isp); |
| |
| #endif /* OMAP3_ISP_PREVIEW_H */ |
