| /* |
| * ispccdc.h |
| * |
| * TI OMAP3 ISP - CCDC module |
| * |
| * Copyright (C) 2009-2010 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_CCDC_H |
| #define OMAP3_ISP_CCDC_H |
| |
| #include <linux/omap3isp.h> |
| #include <linux/workqueue.h> |
| |
| #include "ispvideo.h" |
| |
| enum ccdc_input_entity { |
| CCDC_INPUT_NONE, |
| CCDC_INPUT_PARALLEL, |
| CCDC_INPUT_CSI2A, |
| CCDC_INPUT_CCP2B, |
| CCDC_INPUT_CSI2C |
| }; |
| |
| #define CCDC_OUTPUT_MEMORY (1 << 0) |
| #define CCDC_OUTPUT_PREVIEW (1 << 1) |
| #define CCDC_OUTPUT_RESIZER (1 << 2) |
| |
| #define OMAP3ISP_CCDC_NEVENTS 16 |
| |
| /* |
| * struct ispccdc_syncif - Structure for Sync Interface between sensor and CCDC |
| * @ccdc_mastermode: Master mode. 1 - Master, 0 - Slave. |
| * @fldstat: Field state. 0 - Odd Field, 1 - Even Field. |
| * @datsz: Data size. |
| * @fldmode: 0 - Progressive, 1 - Interlaced. |
| * @datapol: 0 - Positive, 1 - Negative. |
| * @fldpol: 0 - Positive, 1 - Negative. |
| * @hdpol: 0 - Positive, 1 - Negative. |
| * @vdpol: 0 - Positive, 1 - Negative. |
| * @fldout: 0 - Input, 1 - Output. |
| * @hs_width: Width of the Horizontal Sync pulse, used for HS/VS Output. |
| * @vs_width: Width of the Vertical Sync pulse, used for HS/VS Output. |
| * @ppln: Number of pixels per line, used for HS/VS Output. |
| * @hlprf: Number of half lines per frame, used for HS/VS Output. |
| * @bt_r656_en: 1 - Enable ITU-R BT656 mode, 0 - Sync mode. |
| */ |
| struct ispccdc_syncif { |
| u8 ccdc_mastermode; |
| u8 fldstat; |
| u8 datsz; |
| u8 fldmode; |
| u8 datapol; |
| u8 fldpol; |
| u8 hdpol; |
| u8 vdpol; |
| u8 fldout; |
| u8 hs_width; |
| u8 vs_width; |
| u8 ppln; |
| u8 hlprf; |
| u8 bt_r656_en; |
| }; |
| |
| /* |
| * struct ispccdc_vp - Structure for Video Port parameters |
| * @pixelclk: Input pixel clock in Hz |
| */ |
| struct ispccdc_vp { |
| unsigned int pixelclk; |
| }; |
| |
| enum ispccdc_lsc_state { |
| LSC_STATE_STOPPED = 0, |
| LSC_STATE_STOPPING = 1, |
| LSC_STATE_RUNNING = 2, |
| LSC_STATE_RECONFIG = 3, |
| }; |
| |
| struct ispccdc_lsc_config_req { |
| struct list_head list; |
| struct omap3isp_ccdc_lsc_config config; |
| unsigned char enable; |
| u32 table; |
| struct iovm_struct *iovm; |
| }; |
| |
| /* |
| * ispccdc_lsc - CCDC LSC parameters |
| * @update_config: Set when user changes config |
| * @request_enable: Whether LSC is requested to be enabled |
| * @config: LSC config set by user |
| * @update_table: Set when user provides a new LSC table to table_new |
| * @table_new: LSC table set by user, ISP address |
| * @table_inuse: LSC table currently in use, ISP address |
| */ |
| struct ispccdc_lsc { |
| enum ispccdc_lsc_state state; |
| struct work_struct table_work; |
| |
| /* LSC queue of configurations */ |
| spinlock_t req_lock; |
| struct ispccdc_lsc_config_req *request; /* requested configuration */ |
| struct ispccdc_lsc_config_req *active; /* active configuration */ |
| struct list_head free_queue; /* configurations for freeing */ |
| }; |
| |
| #define CCDC_STOP_NOT_REQUESTED 0x00 |
| #define CCDC_STOP_REQUEST 0x01 |
| #define CCDC_STOP_EXECUTED (0x02 | CCDC_STOP_REQUEST) |
| #define CCDC_STOP_CCDC_FINISHED 0x04 |
| #define CCDC_STOP_LSC_FINISHED 0x08 |
| #define CCDC_STOP_FINISHED \ |
| (CCDC_STOP_EXECUTED | CCDC_STOP_CCDC_FINISHED | CCDC_STOP_LSC_FINISHED) |
| |
| #define CCDC_EVENT_VD1 0x10 |
| #define CCDC_EVENT_VD0 0x20 |
| #define CCDC_EVENT_LSC_DONE 0x40 |
| |
| /* Sink and source CCDC pads */ |
| #define CCDC_PAD_SINK 0 |
| #define CCDC_PAD_SOURCE_OF 1 |
| #define CCDC_PAD_SOURCE_VP 2 |
| #define CCDC_PADS_NUM 3 |
| |
| /* |
| * struct isp_ccdc_device - Structure for the CCDC module to store its own |
| * information |
| * @subdev: V4L2 subdevice |
| * @pads: Sink and source media entity pads |
| * @formats: Active video formats |
| * @input: Active input |
| * @output: Active outputs |
| * @video_out: Output video node |
| * @error: A hardware error occured during capture |
| * @alaw: A-law compression enabled (1) or disabled (0) |
| * @lpf: Low pass filter enabled (1) or disabled (0) |
| * @obclamp: Optical-black clamp enabled (1) or disabled (0) |
| * @fpc_en: Faulty pixels correction enabled (1) or disabled (0) |
| * @blcomp: Black level compensation configuration |
| * @clamp: Optical-black or digital clamp configuration |
| * @fpc: Faulty pixels correction configuration |
| * @lsc: Lens shading compensation configuration |
| * @update: Bitmask of controls to update during the next interrupt |
| * @shadow_update: Controls update in progress by userspace |
| * @syncif: Interface synchronization configuration |
| * @vpcfg: Video port configuration |
| * @underrun: A buffer underrun occured and a new buffer has been queued |
| * @state: Streaming state |
| * @lock: Serializes shadow_update with interrupt handler |
| * @wait: Wait queue used to stop the module |
| * @stopping: Stopping state |
| * @ioctl_lock: Serializes ioctl calls and LSC requests freeing |
| */ |
| struct isp_ccdc_device { |
| struct v4l2_subdev subdev; |
| struct media_pad pads[CCDC_PADS_NUM]; |
| struct v4l2_mbus_framefmt formats[CCDC_PADS_NUM]; |
| |
| enum ccdc_input_entity input; |
| unsigned int output; |
| struct isp_video video_out; |
| unsigned int error; |
| |
| unsigned int alaw:1, |
| lpf:1, |
| obclamp:1, |
| fpc_en:1; |
| struct omap3isp_ccdc_blcomp blcomp; |
| struct omap3isp_ccdc_bclamp clamp; |
| struct omap3isp_ccdc_fpc fpc; |
| struct ispccdc_lsc lsc; |
| unsigned int update; |
| unsigned int shadow_update; |
| |
| struct ispccdc_syncif syncif; |
| struct ispccdc_vp vpcfg; |
| |
| unsigned int underrun:1; |
| enum isp_pipeline_stream_state state; |
| spinlock_t lock; |
| wait_queue_head_t wait; |
| unsigned int stopping; |
| struct mutex ioctl_lock; |
| }; |
| |
| struct isp_device; |
| |
| int omap3isp_ccdc_init(struct isp_device *isp); |
| void omap3isp_ccdc_cleanup(struct isp_device *isp); |
| int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc, |
| struct v4l2_device *vdev); |
| void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc); |
| |
| int omap3isp_ccdc_busy(struct isp_ccdc_device *isp_ccdc); |
| int omap3isp_ccdc_isr(struct isp_ccdc_device *isp_ccdc, u32 events); |
| void omap3isp_ccdc_restore_context(struct isp_device *isp); |
| void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc, |
| unsigned int *max_rate); |
| |
| #endif /* OMAP3_ISP_CCDC_H */ |