^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) * vimc-debayer.c Virtual Media Controller Driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/vmalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/v4l2-mediabus.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <media/v4l2-ctrls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <media/v4l2-event.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <media/v4l2-subdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "vimc-common.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) enum vimc_deb_rgb_colors {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) VIMC_DEB_RED = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) VIMC_DEB_GREEN = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) VIMC_DEB_BLUE = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct vimc_deb_pix_map {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u32 code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) enum vimc_deb_rgb_colors order[2][2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct vimc_deb_device {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct vimc_ent_device ved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) struct v4l2_subdev sd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) /* The active format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct v4l2_mbus_framefmt sink_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) u32 src_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) void (*set_rgb_src)(struct vimc_deb_device *vdeb, unsigned int lin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned int col, unsigned int rgb[3]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) /* Values calculated when the stream starts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) u8 *src_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) const struct vimc_deb_pix_map *sink_pix_map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) unsigned int sink_bpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) unsigned int mean_win_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct v4l2_ctrl_handler hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct media_pad pads[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static const struct v4l2_mbus_framefmt sink_fmt_default = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .width = 640,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) .height = 480,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .code = MEDIA_BUS_FMT_SRGGB8_1X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .field = V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static const u32 vimc_deb_src_mbus_codes[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) MEDIA_BUS_FMT_GBR888_1X24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) MEDIA_BUS_FMT_BGR888_1X24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) MEDIA_BUS_FMT_BGR888_3X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) MEDIA_BUS_FMT_RGB888_1X24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) MEDIA_BUS_FMT_RGB888_2X12_BE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) MEDIA_BUS_FMT_RGB888_2X12_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) MEDIA_BUS_FMT_RGB888_3X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) MEDIA_BUS_FMT_RGB888_1X7X4_SPWG,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) MEDIA_BUS_FMT_RGB888_1X32_PADHI,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static const struct vimc_deb_pix_map vimc_deb_pix_map_list[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .code = MEDIA_BUS_FMT_SBGGR8_1X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) .order = { { VIMC_DEB_BLUE, VIMC_DEB_GREEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) { VIMC_DEB_GREEN, VIMC_DEB_RED } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .code = MEDIA_BUS_FMT_SGBRG8_1X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .order = { { VIMC_DEB_GREEN, VIMC_DEB_BLUE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) { VIMC_DEB_RED, VIMC_DEB_GREEN } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .code = MEDIA_BUS_FMT_SGRBG8_1X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .order = { { VIMC_DEB_GREEN, VIMC_DEB_RED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) { VIMC_DEB_BLUE, VIMC_DEB_GREEN } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) .code = MEDIA_BUS_FMT_SRGGB8_1X8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) .order = { { VIMC_DEB_RED, VIMC_DEB_GREEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) { VIMC_DEB_GREEN, VIMC_DEB_BLUE } }
^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) .code = MEDIA_BUS_FMT_SBGGR10_1X10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .order = { { VIMC_DEB_BLUE, VIMC_DEB_GREEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) { VIMC_DEB_GREEN, VIMC_DEB_RED } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .code = MEDIA_BUS_FMT_SGBRG10_1X10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .order = { { VIMC_DEB_GREEN, VIMC_DEB_BLUE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) { VIMC_DEB_RED, VIMC_DEB_GREEN } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .code = MEDIA_BUS_FMT_SGRBG10_1X10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .order = { { VIMC_DEB_GREEN, VIMC_DEB_RED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) { VIMC_DEB_BLUE, VIMC_DEB_GREEN } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) .code = MEDIA_BUS_FMT_SRGGB10_1X10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) .order = { { VIMC_DEB_RED, VIMC_DEB_GREEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) { VIMC_DEB_GREEN, VIMC_DEB_BLUE } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .code = MEDIA_BUS_FMT_SBGGR12_1X12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .order = { { VIMC_DEB_BLUE, VIMC_DEB_GREEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) { VIMC_DEB_GREEN, VIMC_DEB_RED } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .code = MEDIA_BUS_FMT_SGBRG12_1X12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .order = { { VIMC_DEB_GREEN, VIMC_DEB_BLUE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) { VIMC_DEB_RED, VIMC_DEB_GREEN } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) .code = MEDIA_BUS_FMT_SGRBG12_1X12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) .order = { { VIMC_DEB_GREEN, VIMC_DEB_RED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) { VIMC_DEB_BLUE, VIMC_DEB_GREEN } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .code = MEDIA_BUS_FMT_SRGGB12_1X12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .order = { { VIMC_DEB_RED, VIMC_DEB_GREEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) { VIMC_DEB_GREEN, VIMC_DEB_BLUE } }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) static const struct vimc_deb_pix_map *vimc_deb_pix_map_by_code(u32 code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) for (i = 0; i < ARRAY_SIZE(vimc_deb_pix_map_list); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (vimc_deb_pix_map_list[i].code == code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return &vimc_deb_pix_map_list[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) static bool vimc_deb_src_code_is_valid(u32 code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) for (i = 0; i < ARRAY_SIZE(vimc_deb_src_mbus_codes); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) if (vimc_deb_src_mbus_codes[i] == code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) static int vimc_deb_init_cfg(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) struct v4l2_subdev_pad_config *cfg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct v4l2_mbus_framefmt *mf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) mf = v4l2_subdev_get_try_format(sd, cfg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) *mf = sink_fmt_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) for (i = 1; i < sd->entity.num_pads; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) mf = v4l2_subdev_get_try_format(sd, cfg, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) *mf = sink_fmt_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) mf->code = vdeb->src_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) static int vimc_deb_enum_mbus_code(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct v4l2_subdev_mbus_code_enum *code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) if (VIMC_IS_SRC(code->pad)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (code->index >= ARRAY_SIZE(vimc_deb_src_mbus_codes))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) code->code = vimc_deb_src_mbus_codes[code->index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (code->index >= ARRAY_SIZE(vimc_deb_pix_map_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) code->code = vimc_deb_pix_map_list[code->index].code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) static int vimc_deb_enum_frame_size(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) struct v4l2_subdev_frame_size_enum *fse)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) if (fse->index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) if (VIMC_IS_SINK(fse->pad)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) const struct vimc_deb_pix_map *vpix =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) vimc_deb_pix_map_by_code(fse->code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) if (!vpix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) } else if (!vimc_deb_src_code_is_valid(fse->code)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) fse->min_width = VIMC_FRAME_MIN_WIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) fse->max_width = VIMC_FRAME_MAX_WIDTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) fse->min_height = VIMC_FRAME_MIN_HEIGHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) fse->max_height = VIMC_FRAME_MAX_HEIGHT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) static int vimc_deb_get_fmt(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) struct v4l2_subdev_format *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /* Get the current sink format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) fmt->format = fmt->which == V4L2_SUBDEV_FORMAT_TRY ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) *v4l2_subdev_get_try_format(sd, cfg, 0) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) vdeb->sink_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) /* Set the right code for the source pad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) if (VIMC_IS_SRC(fmt->pad))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) fmt->format.code = vdeb->src_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) static void vimc_deb_adjust_sink_fmt(struct v4l2_mbus_framefmt *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) const struct vimc_deb_pix_map *vpix;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* Don't accept a code that is not on the debayer table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) vpix = vimc_deb_pix_map_by_code(fmt->code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) if (!vpix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) fmt->code = sink_fmt_default.code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) fmt->width = clamp_t(u32, fmt->width, VIMC_FRAME_MIN_WIDTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) VIMC_FRAME_MAX_WIDTH) & ~1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) fmt->height = clamp_t(u32, fmt->height, VIMC_FRAME_MIN_HEIGHT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) VIMC_FRAME_MAX_HEIGHT) & ~1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) if (fmt->field == V4L2_FIELD_ANY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) fmt->field = sink_fmt_default.field;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) vimc_colorimetry_clamp(fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) static int vimc_deb_set_fmt(struct v4l2_subdev *sd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) struct v4l2_subdev_pad_config *cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) struct v4l2_subdev_format *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) struct v4l2_mbus_framefmt *sink_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) u32 *src_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) /* Do not change the format while stream is on */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) if (vdeb->src_frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) sink_fmt = &vdeb->sink_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) src_code = &vdeb->src_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) sink_fmt = v4l2_subdev_get_try_format(sd, cfg, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) src_code = &v4l2_subdev_get_try_format(sd, cfg, 1)->code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) * Do not change the format of the source pad,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) * it is propagated from the sink
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) if (VIMC_IS_SRC(fmt->pad)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) u32 code = fmt->format.code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) fmt->format = *sink_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) if (vimc_deb_src_code_is_valid(code))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) *src_code = code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) fmt->format.code = *src_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) /* Set the new format in the sink pad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) vimc_deb_adjust_sink_fmt(&fmt->format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) dev_dbg(vdeb->ved.dev, "%s: sink format update: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) "old:%dx%d (0x%x, %d, %d, %d, %d) "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) "new:%dx%d (0x%x, %d, %d, %d, %d)\n", vdeb->sd.name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) /* old */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) sink_fmt->width, sink_fmt->height, sink_fmt->code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) sink_fmt->colorspace, sink_fmt->quantization,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) sink_fmt->xfer_func, sink_fmt->ycbcr_enc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) /* new */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) fmt->format.width, fmt->format.height, fmt->format.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) fmt->format.colorspace, fmt->format.quantization,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) fmt->format.xfer_func, fmt->format.ycbcr_enc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) *sink_fmt = fmt->format;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) static const struct v4l2_subdev_pad_ops vimc_deb_pad_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) .init_cfg = vimc_deb_init_cfg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) .enum_mbus_code = vimc_deb_enum_mbus_code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) .enum_frame_size = vimc_deb_enum_frame_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) .get_fmt = vimc_deb_get_fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) .set_fmt = vimc_deb_set_fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) static void vimc_deb_process_rgb_frame(struct vimc_deb_device *vdeb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) unsigned int lin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) unsigned int col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) unsigned int rgb[3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) const struct vimc_pix_map *vpix;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) unsigned int i, index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) vpix = vimc_pix_map_by_code(vdeb->src_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) index = VIMC_FRAME_INDEX(lin, col, vdeb->sink_fmt.width, 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) switch (vpix->pixelformat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) case V4L2_PIX_FMT_RGB24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) vdeb->src_frame[index + i] = rgb[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) case V4L2_PIX_FMT_BGR24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) vdeb->src_frame[index + i] = rgb[2 - i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) static int vimc_deb_s_stream(struct v4l2_subdev *sd, int enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) if (enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) const struct vimc_pix_map *vpix;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) unsigned int frame_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (vdeb->src_frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) /* Calculate the frame size of the source pad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) vpix = vimc_pix_map_by_code(vdeb->src_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) frame_size = vdeb->sink_fmt.width * vdeb->sink_fmt.height *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) vpix->bpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* Save the bytes per pixel of the sink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) vpix = vimc_pix_map_by_code(vdeb->sink_fmt.code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) vdeb->sink_bpp = vpix->bpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* Get the corresponding pixel map from the table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) vdeb->sink_pix_map =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) vimc_deb_pix_map_by_code(vdeb->sink_fmt.code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * Allocate the frame buffer. Use vmalloc to be able to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) * allocate a large amount of memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) vdeb->src_frame = vmalloc(frame_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (!vdeb->src_frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (!vdeb->src_frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) vfree(vdeb->src_frame);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) vdeb->src_frame = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) static const struct v4l2_subdev_core_ops vimc_deb_core_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) .log_status = v4l2_ctrl_subdev_log_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) .unsubscribe_event = v4l2_event_subdev_unsubscribe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) static const struct v4l2_subdev_video_ops vimc_deb_video_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) .s_stream = vimc_deb_s_stream,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) static const struct v4l2_subdev_ops vimc_deb_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) .core = &vimc_deb_core_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) .pad = &vimc_deb_pad_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) .video = &vimc_deb_video_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) static unsigned int vimc_deb_get_val(const u8 *bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) const unsigned int n_bytes)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) unsigned int acc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) for (i = 0; i < n_bytes; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) acc = acc + (bytes[i] << (8 * i));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) return acc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) static void vimc_deb_calc_rgb_sink(struct vimc_deb_device *vdeb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) const u8 *frame,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) const unsigned int lin,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) const unsigned int col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) unsigned int rgb[3])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) unsigned int i, seek, wlin, wcol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) unsigned int n_rgb[3] = {0, 0, 0};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) for (i = 0; i < 3; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) rgb[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) * Calculate how many we need to subtract to get to the pixel in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) * the top left corner of the mean window (considering the current
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) * pixel as the center)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) seek = vdeb->mean_win_size / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) /* Sum the values of the colors in the mean window */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) dev_dbg(vdeb->ved.dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) "deb: %s: --- Calc pixel %dx%d, window mean %d, seek %d ---\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) vdeb->sd.name, lin, col, vdeb->sink_fmt.height, seek);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) * Iterate through all the lines in the mean window, start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) * with zero if the pixel is outside the frame and don't pass
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) * the height when the pixel is in the bottom border of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) * frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) for (wlin = seek > lin ? 0 : lin - seek;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) wlin < lin + seek + 1 && wlin < vdeb->sink_fmt.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) wlin++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) * Iterate through all the columns in the mean window, start
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) * with zero if the pixel is outside the frame and don't pass
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) * the width when the pixel is in the right border of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) * frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) for (wcol = seek > col ? 0 : col - seek;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) wcol < col + seek + 1 && wcol < vdeb->sink_fmt.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) wcol++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) enum vimc_deb_rgb_colors color;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) unsigned int index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) /* Check which color this pixel is */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) color = vdeb->sink_pix_map->order[wlin % 2][wcol % 2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) index = VIMC_FRAME_INDEX(wlin, wcol,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) vdeb->sink_fmt.width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) vdeb->sink_bpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) dev_dbg(vdeb->ved.dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) "deb: %s: RGB CALC: frame index %d, win pos %dx%d, color %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) vdeb->sd.name, index, wlin, wcol, color);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) /* Get its value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) rgb[color] = rgb[color] +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) vimc_deb_get_val(&frame[index], vdeb->sink_bpp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) /* Save how many values we already added */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) n_rgb[color]++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) dev_dbg(vdeb->ved.dev, "deb: %s: RGB CALC: val %d, n %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) vdeb->sd.name, rgb[color], n_rgb[color]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) /* Calculate the mean */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) for (i = 0; i < 3; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) dev_dbg(vdeb->ved.dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) "deb: %s: PRE CALC: %dx%d Color %d, val %d, n %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) vdeb->sd.name, lin, col, i, rgb[i], n_rgb[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) if (n_rgb[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) rgb[i] = rgb[i] / n_rgb[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) dev_dbg(vdeb->ved.dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) "deb: %s: FINAL CALC: %dx%d Color %d, val %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) vdeb->sd.name, lin, col, i, rgb[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) static void *vimc_deb_process_frame(struct vimc_ent_device *ved,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) const void *sink_frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) struct vimc_deb_device *vdeb = container_of(ved, struct vimc_deb_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) ved);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) unsigned int rgb[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) unsigned int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) /* If the stream in this node is not active, just return */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) if (!vdeb->src_frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) for (i = 0; i < vdeb->sink_fmt.height; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) for (j = 0; j < vdeb->sink_fmt.width; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) vimc_deb_calc_rgb_sink(vdeb, sink_frame, i, j, rgb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) vdeb->set_rgb_src(vdeb, i, j, rgb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) return vdeb->src_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) static int vimc_deb_s_ctrl(struct v4l2_ctrl *ctrl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) struct vimc_deb_device *vdeb =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) container_of(ctrl->handler, struct vimc_deb_device, hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) switch (ctrl->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) case VIMC_CID_MEAN_WIN_SIZE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) vdeb->mean_win_size = ctrl->val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) static const struct v4l2_ctrl_ops vimc_deb_ctrl_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) .s_ctrl = vimc_deb_s_ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) static void vimc_deb_release(struct vimc_ent_device *ved)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) struct vimc_deb_device *vdeb =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) container_of(ved, struct vimc_deb_device, ved);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) v4l2_ctrl_handler_free(&vdeb->hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) media_entity_cleanup(vdeb->ved.ent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) kfree(vdeb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) static const struct v4l2_ctrl_config vimc_deb_ctrl_class = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) .flags = V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) .id = VIMC_CID_VIMC_CLASS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) .name = "VIMC Controls",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) .type = V4L2_CTRL_TYPE_CTRL_CLASS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) static const struct v4l2_ctrl_config vimc_deb_ctrl_mean_win_size = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) .ops = &vimc_deb_ctrl_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) .id = VIMC_CID_MEAN_WIN_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) .name = "Debayer Mean Window Size",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) .type = V4L2_CTRL_TYPE_INTEGER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) .min = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) .max = 25,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) .step = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) .def = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) static struct vimc_ent_device *vimc_deb_add(struct vimc_device *vimc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) const char *vcfg_name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) struct vimc_deb_device *vdeb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) /* Allocate the vdeb struct */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) vdeb = kzalloc(sizeof(*vdeb), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) if (!vdeb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) /* Create controls: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) v4l2_ctrl_handler_init(&vdeb->hdl, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) v4l2_ctrl_new_custom(&vdeb->hdl, &vimc_deb_ctrl_class, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) v4l2_ctrl_new_custom(&vdeb->hdl, &vimc_deb_ctrl_mean_win_size, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) vdeb->sd.ctrl_handler = &vdeb->hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) if (vdeb->hdl.error) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) ret = vdeb->hdl.error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) goto err_free_vdeb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) /* Initialize ved and sd */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) vdeb->pads[0].flags = MEDIA_PAD_FL_SINK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) vdeb->pads[1].flags = MEDIA_PAD_FL_SOURCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) ret = vimc_ent_sd_register(&vdeb->ved, &vdeb->sd, v4l2_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) vcfg_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV, 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) vdeb->pads, &vimc_deb_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) goto err_free_hdl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) vdeb->ved.process_frame = vimc_deb_process_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) vdeb->ved.dev = vimc->mdev.dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) vdeb->mean_win_size = vimc_deb_ctrl_mean_win_size.def;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) /* Initialize the frame format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) vdeb->sink_fmt = sink_fmt_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) * TODO: Add support for more output formats, we only support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) * RGB888 for now
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) * NOTE: the src format is always the same as the sink, except
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) * for the code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) vdeb->src_code = MEDIA_BUS_FMT_RGB888_1X24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) vdeb->set_rgb_src = vimc_deb_process_rgb_frame;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) return &vdeb->ved;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) err_free_hdl:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) v4l2_ctrl_handler_free(&vdeb->hdl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) err_free_vdeb:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) kfree(vdeb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) struct vimc_ent_type vimc_deb_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) .add = vimc_deb_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) .release = vimc_deb_release
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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