| /* | |
| * 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 | |
| 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 | |
| * @crop: Active crop rectangle on the OF source pad | |
| * @input: Active input | |
| * @output: Active outputs | |
| * @video_out: Output video node | |
| * @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 | |
| * @underrun: A buffer underrun occurred 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]; | |
| struct v4l2_rect crop; | |
| enum ccdc_input_entity input; | |
| unsigned int output; | |
| struct isp_video video_out; | |
| 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; | |
| 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 */ |