forked from Minki/linux
875e2e3edf
Instead of trying to propagate errors down the pipeline manually (and failing to do so properly in all cases), flag SBL errors in the pipeline to which the entity that triggered the error belongs, and use pipeline error flags to mark buffers as faulty when completing them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
218 lines
6.4 KiB
C
218 lines
6.4 KiB
C
/*
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* ispccdc.h
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*
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* TI OMAP3 ISP - CCDC module
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*
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* Copyright (C) 2009-2010 Nokia Corporation
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* Copyright (C) 2009 Texas Instruments, Inc.
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*
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* Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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* Sakari Ailus <sakari.ailus@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#ifndef OMAP3_ISP_CCDC_H
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#define OMAP3_ISP_CCDC_H
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#include <linux/omap3isp.h>
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#include <linux/workqueue.h>
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#include "ispvideo.h"
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enum ccdc_input_entity {
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CCDC_INPUT_NONE,
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CCDC_INPUT_PARALLEL,
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CCDC_INPUT_CSI2A,
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CCDC_INPUT_CCP2B,
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CCDC_INPUT_CSI2C
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};
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#define CCDC_OUTPUT_MEMORY (1 << 0)
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#define CCDC_OUTPUT_PREVIEW (1 << 1)
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#define CCDC_OUTPUT_RESIZER (1 << 2)
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#define OMAP3ISP_CCDC_NEVENTS 16
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/*
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* struct ispccdc_syncif - Structure for Sync Interface between sensor and CCDC
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* @ccdc_mastermode: Master mode. 1 - Master, 0 - Slave.
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* @fldstat: Field state. 0 - Odd Field, 1 - Even Field.
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* @datsz: Data size.
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* @fldmode: 0 - Progressive, 1 - Interlaced.
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* @datapol: 0 - Positive, 1 - Negative.
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* @fldpol: 0 - Positive, 1 - Negative.
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* @hdpol: 0 - Positive, 1 - Negative.
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* @vdpol: 0 - Positive, 1 - Negative.
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* @fldout: 0 - Input, 1 - Output.
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* @hs_width: Width of the Horizontal Sync pulse, used for HS/VS Output.
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* @vs_width: Width of the Vertical Sync pulse, used for HS/VS Output.
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* @ppln: Number of pixels per line, used for HS/VS Output.
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* @hlprf: Number of half lines per frame, used for HS/VS Output.
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* @bt_r656_en: 1 - Enable ITU-R BT656 mode, 0 - Sync mode.
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*/
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struct ispccdc_syncif {
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u8 ccdc_mastermode;
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u8 fldstat;
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u8 datsz;
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u8 fldmode;
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u8 datapol;
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u8 fldpol;
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u8 hdpol;
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u8 vdpol;
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u8 fldout;
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u8 hs_width;
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u8 vs_width;
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u8 ppln;
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u8 hlprf;
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u8 bt_r656_en;
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};
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/*
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* struct ispccdc_vp - Structure for Video Port parameters
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* @pixelclk: Input pixel clock in Hz
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*/
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struct ispccdc_vp {
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unsigned int pixelclk;
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};
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enum ispccdc_lsc_state {
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LSC_STATE_STOPPED = 0,
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LSC_STATE_STOPPING = 1,
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LSC_STATE_RUNNING = 2,
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LSC_STATE_RECONFIG = 3,
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};
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struct ispccdc_lsc_config_req {
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struct list_head list;
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struct omap3isp_ccdc_lsc_config config;
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unsigned char enable;
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u32 table;
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struct iovm_struct *iovm;
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};
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/*
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* ispccdc_lsc - CCDC LSC parameters
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* @update_config: Set when user changes config
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* @request_enable: Whether LSC is requested to be enabled
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* @config: LSC config set by user
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* @update_table: Set when user provides a new LSC table to table_new
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* @table_new: LSC table set by user, ISP address
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* @table_inuse: LSC table currently in use, ISP address
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*/
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struct ispccdc_lsc {
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enum ispccdc_lsc_state state;
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struct work_struct table_work;
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/* LSC queue of configurations */
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spinlock_t req_lock;
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struct ispccdc_lsc_config_req *request; /* requested configuration */
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struct ispccdc_lsc_config_req *active; /* active configuration */
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struct list_head free_queue; /* configurations for freeing */
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};
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#define CCDC_STOP_NOT_REQUESTED 0x00
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#define CCDC_STOP_REQUEST 0x01
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#define CCDC_STOP_EXECUTED (0x02 | CCDC_STOP_REQUEST)
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#define CCDC_STOP_CCDC_FINISHED 0x04
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#define CCDC_STOP_LSC_FINISHED 0x08
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#define CCDC_STOP_FINISHED \
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(CCDC_STOP_EXECUTED | CCDC_STOP_CCDC_FINISHED | CCDC_STOP_LSC_FINISHED)
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#define CCDC_EVENT_VD1 0x10
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#define CCDC_EVENT_VD0 0x20
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#define CCDC_EVENT_LSC_DONE 0x40
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/* Sink and source CCDC pads */
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#define CCDC_PAD_SINK 0
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#define CCDC_PAD_SOURCE_OF 1
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#define CCDC_PAD_SOURCE_VP 2
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#define CCDC_PADS_NUM 3
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/*
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* struct isp_ccdc_device - Structure for the CCDC module to store its own
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* information
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* @subdev: V4L2 subdevice
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* @pads: Sink and source media entity pads
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* @formats: Active video formats
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* @input: Active input
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* @output: Active outputs
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* @video_out: Output video node
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* @alaw: A-law compression enabled (1) or disabled (0)
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* @lpf: Low pass filter enabled (1) or disabled (0)
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* @obclamp: Optical-black clamp enabled (1) or disabled (0)
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* @fpc_en: Faulty pixels correction enabled (1) or disabled (0)
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* @blcomp: Black level compensation configuration
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* @clamp: Optical-black or digital clamp configuration
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* @fpc: Faulty pixels correction configuration
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* @lsc: Lens shading compensation configuration
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* @update: Bitmask of controls to update during the next interrupt
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* @shadow_update: Controls update in progress by userspace
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* @syncif: Interface synchronization configuration
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* @vpcfg: Video port configuration
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* @underrun: A buffer underrun occurred and a new buffer has been queued
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* @state: Streaming state
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* @lock: Serializes shadow_update with interrupt handler
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* @wait: Wait queue used to stop the module
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* @stopping: Stopping state
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* @ioctl_lock: Serializes ioctl calls and LSC requests freeing
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*/
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struct isp_ccdc_device {
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struct v4l2_subdev subdev;
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struct media_pad pads[CCDC_PADS_NUM];
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struct v4l2_mbus_framefmt formats[CCDC_PADS_NUM];
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enum ccdc_input_entity input;
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unsigned int output;
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struct isp_video video_out;
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unsigned int alaw:1,
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lpf:1,
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obclamp:1,
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fpc_en:1;
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struct omap3isp_ccdc_blcomp blcomp;
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struct omap3isp_ccdc_bclamp clamp;
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struct omap3isp_ccdc_fpc fpc;
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struct ispccdc_lsc lsc;
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unsigned int update;
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unsigned int shadow_update;
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struct ispccdc_syncif syncif;
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struct ispccdc_vp vpcfg;
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unsigned int underrun:1;
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enum isp_pipeline_stream_state state;
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spinlock_t lock;
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wait_queue_head_t wait;
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unsigned int stopping;
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struct mutex ioctl_lock;
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};
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struct isp_device;
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int omap3isp_ccdc_init(struct isp_device *isp);
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void omap3isp_ccdc_cleanup(struct isp_device *isp);
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int omap3isp_ccdc_register_entities(struct isp_ccdc_device *ccdc,
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struct v4l2_device *vdev);
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void omap3isp_ccdc_unregister_entities(struct isp_ccdc_device *ccdc);
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int omap3isp_ccdc_busy(struct isp_ccdc_device *isp_ccdc);
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int omap3isp_ccdc_isr(struct isp_ccdc_device *isp_ccdc, u32 events);
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void omap3isp_ccdc_restore_context(struct isp_device *isp);
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void omap3isp_ccdc_max_rate(struct isp_ccdc_device *ccdc,
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unsigned int *max_rate);
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#endif /* OMAP3_ISP_CCDC_H */
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