LXR linux/drivers/staging/media/davinci_vpfe/vpfe_mc

   1/*
   2 * Copyright (C) 2012 Texas Instruments Inc
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License as
   6 * published by the Free Software Foundation version 2.
   7 *
   8 * This program is distributed in the hope that it will be useful,
   9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 * GNU General Public License for more details.
  12 *
  13 * You should have received a copy of the GNU General Public License
  14 * along with this program; if not, write to the Free Software
  15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 *
  17 * Contributors:
  18 *      Manjunath Hadli <manjunath.hadli@ti.com>
  19 *      Prabhakar Lad <prabhakar.lad@ti.com>
  20 */
  21
  22#ifndef _DAVINCI_VPFE_MC_CAPTURE_H
  23#define _DAVINCI_VPFE_MC_CAPTURE_H
  24
  25#include "dm365_ipipe.h"
  26#include "dm365_ipipeif.h"
  27#include "dm365_isif.h"
  28#include "dm365_resizer.h"
  29#include "vpfe_video.h"
  30
  31#define VPFE_MAJOR_RELEASE              0
  32#define VPFE_MINOR_RELEASE              0
  33#define VPFE_BUILD                      1
  34#define VPFE_CAPTURE_VERSION_CODE       ((VPFE_MAJOR_RELEASE << 16) | \
  35                                        (VPFE_MINOR_RELEASE << 8)  | \
  36                                        VPFE_BUILD)
  37
  38/* IPIPE hardware limits */
  39#define IPIPE_MAX_OUTPUT_WIDTH_A        2176
  40#define IPIPE_MAX_OUTPUT_WIDTH_B        640
  41
  42/* Based on max resolution supported. QXGA */
  43#define IPIPE_MAX_OUTPUT_HEIGHT_A       1536
  44/* Based on max resolution supported. VGA */
  45#define IPIPE_MAX_OUTPUT_HEIGHT_B       480
  46
  47#define to_vpfe_device(ptr_module)                              \
  48        container_of(ptr_module, struct vpfe_device, vpfe_##ptr_module)
  49#define to_device(ptr_module)                                           \
  50        (to_vpfe_device(ptr_module)->dev)
  51
  52struct vpfe_device {
  53        /* external registered sub devices */
  54        struct v4l2_subdev              **sd;
  55        /* number of registered external subdevs */
  56        unsigned int                    num_ext_subdevs;
  57        /* vpfe cfg */
  58        struct vpfe_config              *cfg;
  59        /* clock ptrs for vpfe capture */
  60        struct clk                      **clks;
  61        /* V4l2 device */
  62        struct v4l2_device              v4l2_dev;
  63        /* parent device */
  64        struct device                   *pdev;
  65        /* IRQ number for DMA transfer completion at the image processor */
  66        unsigned int                    imp_dma_irq;
  67        /* CCDC IRQs used when CCDC/ISIF output to SDRAM */
  68        unsigned int                    ccdc_irq0;
  69        unsigned int                    ccdc_irq1;
  70        /* maximum video memory that is available*/
  71        unsigned int                    video_limit;
  72        /* media device */
  73        struct media_device             media_dev;
  74        /* ccdc subdevice */
  75        struct vpfe_isif_device         vpfe_isif;
  76        /* ipipeif subdevice */
  77        struct vpfe_ipipeif_device      vpfe_ipipeif;
  78        /* ipipe subdevice */
  79        struct vpfe_ipipe_device        vpfe_ipipe;
  80        /* resizer subdevice */
  81        struct vpfe_resizer_device      vpfe_resizer;
  82};
  83
  84/* File handle structure */
  85struct vpfe_fh {
  86        struct v4l2_fh vfh;
  87        struct vpfe_video_device *video;
  88        /* Indicates whether this file handle is doing IO */
  89        u8 io_allowed;
  90        /* Used to keep track priority of this instance */
  91        enum v4l2_priority prio;
  92};
  93
  94void mbus_to_pix(const struct v4l2_mbus_framefmt *mbus,
  95                           struct v4l2_pix_format *pix);
  96
  97#endif          /* _DAVINCI_VPFE_MC_CAPTURE_H */
  98