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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | /* * Copyright (C) 2008-2009 Texas Instruments Inc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef _VPFE_CAPTURE_H #define _VPFE_CAPTURE_H #ifdef __KERNEL__ /* Header files */ #include <media/v4l2-dev.h> #include <linux/videodev2.h> #include <linux/clk.h> #include <linux/i2c.h> #include <media/v4l2-ioctl.h> #include <media/v4l2-device.h> #include <media/videobuf-dma-contig.h> #include <media/davinci/vpfe_types.h> #define VPFE_CAPTURE_NUM_DECODERS 5 /* Macros */ #define VPFE_MAJOR_RELEASE 0 #define VPFE_MINOR_RELEASE 0 #define VPFE_BUILD 1 #define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \ (VPFE_MINOR_RELEASE << 8) | \ VPFE_BUILD) #define CAPTURE_DRV_NAME "vpfe-capture" struct vpfe_pixel_format { struct v4l2_fmtdesc fmtdesc; /* bytes per pixel */ int bpp; }; struct vpfe_std_info { int active_pixels; int active_lines; /* current frame format */ int frame_format; }; struct vpfe_route { u32 input; u32 output; }; struct vpfe_subdev_info { /* Sub device name */ char name[32]; /* Sub device group id */ int grp_id; /* Number of inputs supported */ int num_inputs; /* inputs available at the sub device */ struct v4l2_input *inputs; /* Sub dev routing information for each input */ struct vpfe_route *routes; /* check if sub dev supports routing */ int can_route; /* ccdc bus/interface configuration */ struct vpfe_hw_if_param ccdc_if_params; /* i2c subdevice board info */ struct i2c_board_info board_info; }; struct vpfe_config { /* Number of sub devices connected to vpfe */ int num_subdevs; /* i2c bus adapter no */ int i2c_adapter_id; /* information about each subdev */ struct vpfe_subdev_info *sub_devs; /* evm card info */ char *card_name; /* ccdc name */ char *ccdc; /* vpfe clock */ struct clk *vpssclk; struct clk *slaveclk; /* Function for Clearing the interrupt */ void (*clr_intr)(int vdint); }; struct vpfe_device { /* V4l2 specific parameters */ /* Identifies video device for this channel */ struct video_device *video_dev; /* sub devices */ struct v4l2_subdev **sd; /* vpfe cfg */ struct vpfe_config *cfg; /* V4l2 device */ struct v4l2_device v4l2_dev; /* parent device */ struct device *pdev; /* Used to keep track of state of the priority */ struct v4l2_prio_state prio; /* number of open instances of the channel */ u32 usrs; /* Indicates id of the field which is being displayed */ u32 field_id; /* flag to indicate whether decoder is initialized */ u8 initialized; /* current interface type */ struct vpfe_hw_if_param vpfe_if_params; /* ptr to currently selected sub device */ struct vpfe_subdev_info *current_subdev; /* current input at the sub device */ int current_input; /* Keeps track of the information about the standard */ struct vpfe_std_info std_info; /* std index into std table */ int std_index; /* CCDC IRQs used when CCDC/ISIF output to SDRAM */ unsigned int ccdc_irq0; unsigned int ccdc_irq1; /* number of buffers in fbuffers */ u32 numbuffers; /* List of buffer pointers for storing frames */ u8 *fbuffers[VIDEO_MAX_FRAME]; /* Pointer pointing to current v4l2_buffer */ struct videobuf_buffer *cur_frm; /* Pointer pointing to next v4l2_buffer */ struct videobuf_buffer *next_frm; /* * This field keeps track of type of buffer exchange mechanism * user has selected */ enum v4l2_memory memory; /* Used to store pixel format */ struct v4l2_format fmt; /* * used when IMP is chained to store the crop window which * is different from the image window */ struct v4l2_rect crop; /* Buffer queue used in video-buf */ struct videobuf_queue buffer_queue; /* Queue of filled frames */ struct list_head dma_queue; /* Used in video-buf */ spinlock_t irqlock; /* IRQ lock for DMA queue */ spinlock_t dma_queue_lock; /* lock used to access this structure */ struct mutex lock; /* number of users performing IO */ u32 io_usrs; /* Indicates whether streaming started */ u8 started; /* * offset where second field starts from the starting of the * buffer for field separated YCbCr formats */ u32 field_off; }; /* File handle structure */ struct vpfe_fh { struct vpfe_device *vpfe_dev; /* Indicates whether this file handle is doing IO */ u8 io_allowed; /* Used to keep track priority of this instance */ enum v4l2_priority prio; }; struct vpfe_config_params { u8 min_numbuffers; u8 numbuffers; u32 min_bufsize; u32 device_bufsize; }; #endif /* End of __KERNEL__ */ /** * VPFE_CMD_S_CCDC_RAW_PARAMS - EXPERIMENTAL IOCTL to set raw capture params * This can be used to configure modules such as defect pixel correction, * color space conversion, culling etc. This is an experimental ioctl that * will change in future kernels. So use this ioctl with care ! * TODO: This is to be split into multiple ioctls and also explore the * possibility of extending the v4l2 api to include this **/ #define VPFE_CMD_S_CCDC_RAW_PARAMS _IOW('V', BASE_VIDIOC_PRIVATE + 1, \ void *) #endif /* _DAVINCI_VPFE_H */ |