target/linux/bcm27xx/patches-5.10/950-0443-uapi-bcm2835-isp-Add-colour-denoise-configuration.patch

   1 From aed98a04e57de36ad35d4fd09c5ce0c9cdd580dc Mon Sep 17 00:00:00 2001
   2 From: Naushir Patuck <naush@raspberrypi.com>
   3 Date: Thu, 14 Jan 2021 09:18:42 +0000
   4 Subject: [PATCH] uapi: bcm2835-isp: Add colour denoise configuration
   5
   6 Add a configuration structure for colour denoise to the bcm2835_isp
   7 driver.
   8
   9 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
  10 ---
  11  include/uapi/linux/bcm2835-isp.h | 27 +++++++++++++++++++++++++++
  12  1 file changed, 27 insertions(+)
  13
  14 --- a/include/uapi/linux/bcm2835-isp.h
  15 +++ b/include/uapi/linux/bcm2835-isp.h
  16 @@ -31,6 +31,8 @@
  17                                 (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0007)
  18  #define V4L2_CID_USER_BCM2835_ISP_DPC          \
  19                                 (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0008)
  20 +#define V4L2_CID_USER_BCM2835_ISP_CDN \
  21 +                               (V4L2_CID_USER_BCM2835_ISP_BASE + 0x0009)
  22
  23  /*
  24   * All structs below are directly mapped onto the equivalent structs in
  25 @@ -176,6 +178,31 @@ struct bcm2835_isp_gamma {
  26  };
  27
  28  /**
  29 + * enum bcm2835_isp_cdn_mode - Mode of operation for colour denoise.
  30 + *
  31 + * @CDN_MODE_FAST:             Fast (but lower quality) colour denoise
  32 + *                             algorithm, typically used for video recording.
  33 + * @CDN_HIGH_QUALITY:          High quality (but slower) colour denoise
  34 + *                             algorithm, typically used for stills capture.
  35 + */
  36 +enum bcm2835_isp_cdn_mode {
  37 +       CDN_MODE_FAST = 0,
  38 +       CDN_MODE_HIGH_QUALITY = 1,
  39 +};
  40 +
  41 +/**
  42 + * struct bcm2835_isp_cdn - Colour denoise parameters set with the
  43 + *                         V4L2_CID_USER_BCM2835_ISP_CDN ctrl.
  44 + *
  45 + * @enabled:   Enable colour denoise.
  46 + * @mode:      Colour denoise operating mode (see enum &bcm2835_isp_cdn_mode)
  47 + */
  48 +struct bcm2835_isp_cdn {
  49 +       __u32 enabled;
  50 +       __u32 mode;
  51 +};
  52 +
  53 +/**
  54   * struct bcm2835_isp_denoise - Denoise parameters set with the
  55   *                             V4L2_CID_USER_BCM2835_ISP_DENOISE ctrl.
  56   *