^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright (C) 2008-2009 Texas Instruments Inc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #ifndef _VPFE_CAPTURE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #define _VPFE_CAPTURE_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #ifdef __KERNEL__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /* Header files */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <media/v4l2-dev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/videodev2.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <media/v4l2-fh.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <media/v4l2-ioctl.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <media/v4l2-device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <media/videobuf-dma-contig.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <media/davinci/vpfe_types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define VPFE_CAPTURE_NUM_DECODERS 5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /* Macros */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define VPFE_MAJOR_RELEASE 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define VPFE_MINOR_RELEASE 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define VPFE_BUILD 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define VPFE_CAPTURE_VERSION_CODE ((VPFE_MAJOR_RELEASE << 16) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) (VPFE_MINOR_RELEASE << 8) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) VPFE_BUILD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #define CAPTURE_DRV_NAME "vpfe-capture"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct vpfe_pixel_format {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u32 pixelformat;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* bytes per pixel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) int bpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct vpfe_std_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int active_pixels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) int active_lines;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) /* current frame format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int frame_format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct vpfe_route {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u32 input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) u32 output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct vpfe_subdev_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) /* Sub device name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) char name[32];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* Sub device group id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int grp_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) /* Number of inputs supported */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int num_inputs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* inputs available at the sub device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct v4l2_input *inputs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) /* Sub dev routing information for each input */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct vpfe_route *routes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) /* check if sub dev supports routing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) int can_route;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) /* ccdc bus/interface configuration */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct vpfe_hw_if_param ccdc_if_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) /* i2c subdevice board info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct i2c_board_info board_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct vpfe_config {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) /* Number of sub devices connected to vpfe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int num_subdevs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) /* i2c bus adapter no */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int i2c_adapter_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) /* information about each subdev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct vpfe_subdev_info *sub_devs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /* evm card info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) char *card_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) /* ccdc name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) char *ccdc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /* vpfe clock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) struct clk *vpssclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct clk *slaveclk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) /* Function for Clearing the interrupt */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) void (*clr_intr)(int vdint);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct vpfe_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) /* V4l2 specific parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) /* Identifies video device for this channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct video_device video_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) /* sub devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct v4l2_subdev **sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) /* vpfe cfg */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct vpfe_config *cfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) /* V4l2 device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct v4l2_device v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /* parent device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) struct device *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /* number of open instances of the channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u32 usrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* Indicates id of the field which is being displayed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) u32 field_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /* flag to indicate whether decoder is initialized */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) u8 initialized;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) /* current interface type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) struct vpfe_hw_if_param vpfe_if_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* ptr to currently selected sub device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct vpfe_subdev_info *current_subdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /* current input at the sub device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) int current_input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* Keeps track of the information about the standard */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct vpfe_std_info std_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) /* std index into std table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) int std_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) /* CCDC IRQs used when CCDC/ISIF output to SDRAM */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) unsigned int ccdc_irq0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) unsigned int ccdc_irq1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) /* number of buffers in fbuffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u32 numbuffers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) /* List of buffer pointers for storing frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) u8 *fbuffers[VIDEO_MAX_FRAME];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /* Pointer pointing to current v4l2_buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) struct videobuf_buffer *cur_frm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* Pointer pointing to next v4l2_buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct videobuf_buffer *next_frm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) * This field keeps track of type of buffer exchange mechanism
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) * user has selected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) enum v4l2_memory memory;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /* Used to store pixel format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct v4l2_format fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * used when IMP is chained to store the crop window which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) * is different from the image window
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) struct v4l2_rect crop;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /* Buffer queue used in video-buf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) struct videobuf_queue buffer_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) /* Queue of filled frames */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) struct list_head dma_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /* Used in video-buf */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) spinlock_t irqlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) /* IRQ lock for DMA queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) spinlock_t dma_queue_lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) /* lock used to access this structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) /* number of users performing IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) u32 io_usrs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) /* Indicates whether streaming started */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) u8 started;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) * offset where second field starts from the starting of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * buffer for field separated YCbCr formats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) u32 field_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /* File handle structure */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct vpfe_fh {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct v4l2_fh fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) struct vpfe_device *vpfe_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) /* Indicates whether this file handle is doing IO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) u8 io_allowed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) struct vpfe_config_params {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) u8 min_numbuffers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) u8 numbuffers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) u32 min_bufsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) u32 device_bufsize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) #endif /* End of __KERNEL__ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #endif /* _DAVINCI_VPFE_H */