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path: root/drivers/media/platform/amlogic/c3/isp/c3-isp-params.c
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Diffstat (limited to 'drivers/media/platform/amlogic/c3/isp/c3-isp-params.c')
-rw-r--r--drivers/media/platform/amlogic/c3/isp/c3-isp-params.c1008
1 files changed, 1008 insertions, 0 deletions
diff --git a/drivers/media/platform/amlogic/c3/isp/c3-isp-params.c b/drivers/media/platform/amlogic/c3/isp/c3-isp-params.c
new file mode 100644
index 000000000000..c80667dd7662
--- /dev/null
+++ b/drivers/media/platform/amlogic/c3/isp/c3-isp-params.c
@@ -0,0 +1,1008 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Copyright (C) 2024 Amlogic, Inc. All rights reserved
+ */
+
+#include <linux/cleanup.h>
+#include <linux/media/amlogic/c3-isp-config.h>
+#include <linux/pm_runtime.h>
+
+#include <media/v4l2-ioctl.h>
+#include <media/v4l2-mc.h>
+#include <media/videobuf2-vmalloc.h>
+
+#include "c3-isp-common.h"
+#include "c3-isp-regs.h"
+
+/*
+ * union c3_isp_params_block - Generalisation of a parameter block
+ *
+ * This union allows the driver to treat a block as a generic struct to this
+ * union and safely access the header and block-specific struct without having
+ * to resort to casting. The header member is accessed first, and the type field
+ * checked which allows the driver to determine which of the other members
+ * should be used.
+ *
+ * @header: The shared header struct embedded as the first member
+ * of all the possible other members. This member would be
+ * accessed first and the type field checked to determine
+ * which of the other members should be accessed.
+ * @awb_gains: For header.type == C3_ISP_PARAMS_BLOCK_AWB_GAINS
+ * @awb_cfg: For header.type == C3_ISP_PARAMS_BLOCK_AWB_CONFIG
+ * @ae_cfg: For header.type == C3_ISP_PARAMS_BLOCK_AE_CONFIG
+ * @af_cfg: For header.type == C3_ISP_PARAMS_BLOCK_AF_CONFIG
+ * @pst_gamma: For header.type == C3_ISP_PARAMS_BLOCK_PST_GAMMA
+ * @ccm: For header.type == C3_ISP_PARAMS_BLOCK_CCM
+ * @csc: For header.type == C3_ISP_PARAMS_BLOCK_CSC
+ * @blc: For header.type == C3_ISP_PARAMS_BLOCK_BLC
+ */
+union c3_isp_params_block {
+ struct c3_isp_params_block_header header;
+ struct c3_isp_params_awb_gains awb_gains;
+ struct c3_isp_params_awb_config awb_cfg;
+ struct c3_isp_params_ae_config ae_cfg;
+ struct c3_isp_params_af_config af_cfg;
+ struct c3_isp_params_pst_gamma pst_gamma;
+ struct c3_isp_params_ccm ccm;
+ struct c3_isp_params_csc csc;
+ struct c3_isp_params_blc blc;
+};
+
+typedef void (*c3_isp_block_handler)(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block);
+
+struct c3_isp_params_handler {
+ size_t size;
+ c3_isp_block_handler handler;
+};
+
+#define to_c3_isp_params_buffer(vbuf) \
+ container_of(vbuf, struct c3_isp_params_buffer, vb)
+
+/* Hardware configuration */
+
+static void c3_isp_params_cfg_awb_gains(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_awb_gains *awb_gains = &block->awb_gains;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_BEO_CTRL,
+ ISP_TOP_BEO_CTRL_WB_EN_MASK,
+ ISP_TOP_BEO_CTRL_WB_DIS);
+ return;
+ }
+
+ c3_isp_update_bits(isp, ISP_LSWB_WB_GAIN0,
+ ISP_LSWB_WB_GAIN0_GR_GAIN_MASK,
+ ISP_LSWB_WB_GAIN0_GR_GAIN(awb_gains->gr_gain));
+ c3_isp_update_bits(isp, ISP_LSWB_WB_GAIN0,
+ ISP_LSWB_WB_GAIN0_R_GAIN_MASK,
+ ISP_LSWB_WB_GAIN0_R_GAIN(awb_gains->r_gain));
+ c3_isp_update_bits(isp, ISP_LSWB_WB_GAIN1,
+ ISP_LSWB_WB_GAIN1_B_GAIN_MASK,
+ ISP_LSWB_WB_GAIN1_B_GAIN(awb_gains->b_gain));
+ c3_isp_update_bits(isp, ISP_LSWB_WB_GAIN1,
+ ISP_LSWB_WB_GAIN1_GB_GAIN_MASK,
+ ISP_LSWB_WB_GAIN1_GB_GAIN(awb_gains->gb_gain));
+ c3_isp_update_bits(isp, ISP_LSWB_WB_GAIN2,
+ ISP_LSWB_WB_GAIN2_IR_GAIN_MASK,
+ ISP_LSWB_WB_GAIN2_IR_GAIN(awb_gains->gb_gain));
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_BEO_CTRL,
+ ISP_TOP_BEO_CTRL_WB_EN_MASK,
+ ISP_TOP_BEO_CTRL_WB_EN);
+}
+
+static void c3_isp_params_awb_wt(struct c3_isp_device *isp,
+ const struct c3_isp_params_awb_config *cfg)
+{
+ unsigned int zones_num;
+ unsigned int base;
+ unsigned int data;
+ unsigned int i;
+
+ /* Set the weight address to 0 position */
+ c3_isp_write(isp, ISP_AWB_BLK_WT_ADDR, 0);
+
+ zones_num = cfg->horiz_zones_num * cfg->vert_zones_num;
+
+ /* Need to write 8 weights at once */
+ for (i = 0; i < zones_num / 8; i++) {
+ base = i * 8;
+ data = ISP_AWB_BLK_WT_DATA_WT(0, cfg->zone_weight[base + 0]) |
+ ISP_AWB_BLK_WT_DATA_WT(1, cfg->zone_weight[base + 1]) |
+ ISP_AWB_BLK_WT_DATA_WT(2, cfg->zone_weight[base + 2]) |
+ ISP_AWB_BLK_WT_DATA_WT(3, cfg->zone_weight[base + 3]) |
+ ISP_AWB_BLK_WT_DATA_WT(4, cfg->zone_weight[base + 4]) |
+ ISP_AWB_BLK_WT_DATA_WT(5, cfg->zone_weight[base + 5]) |
+ ISP_AWB_BLK_WT_DATA_WT(6, cfg->zone_weight[base + 6]) |
+ ISP_AWB_BLK_WT_DATA_WT(7, cfg->zone_weight[base + 7]);
+ c3_isp_write(isp, ISP_AWB_BLK_WT_DATA, data);
+ }
+
+ if (zones_num % 8 == 0)
+ return;
+
+ data = 0;
+ base = i * 8;
+
+ for (i = 0; i < zones_num % 8; i++)
+ data |= ISP_AWB_BLK_WT_DATA_WT(i, cfg->zone_weight[base + i]);
+
+ c3_isp_write(isp, ISP_AWB_BLK_WT_DATA, data);
+}
+
+static void c3_isp_params_awb_cood(struct c3_isp_device *isp,
+ const struct c3_isp_params_awb_config *cfg)
+{
+ unsigned int max_point_num;
+
+ /* The number of points is one more than the number of edges */
+ max_point_num = max(cfg->horiz_zones_num, cfg->vert_zones_num) + 1;
+
+ /* Set the index address to 0 position */
+ c3_isp_write(isp, ISP_AWB_IDX_ADDR, 0);
+
+ for (unsigned int i = 0; i < max_point_num; i++)
+ c3_isp_write(isp, ISP_AWB_IDX_DATA,
+ ISP_AWB_IDX_DATA_HIDX_DATA(cfg->horiz_coord[i]) |
+ ISP_AWB_IDX_DATA_VIDX_DATA(cfg->vert_coord[i]));
+}
+
+static void c3_isp_params_cfg_awb_config(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_awb_config *awb_cfg = &block->awb_cfg;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AWB_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AWB_STAT_DIS);
+ return;
+ }
+
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AWB_POINT_MASK,
+ ISP_TOP_3A_STAT_CRTL_AWB_POINT(awb_cfg->tap_point));
+
+ c3_isp_update_bits(isp, ISP_AWB_STAT_CTRL2,
+ ISP_AWB_STAT_CTRL2_SATUR_CTRL_MASK,
+ ISP_AWB_STAT_CTRL2_SATUR_CTRL(awb_cfg->satur_vald));
+
+ c3_isp_update_bits(isp, ISP_AWB_HV_BLKNUM,
+ ISP_AWB_HV_BLKNUM_H_NUM_MASK,
+ ISP_AWB_HV_BLKNUM_H_NUM(awb_cfg->horiz_zones_num));
+ c3_isp_update_bits(isp, ISP_AWB_HV_BLKNUM,
+ ISP_AWB_HV_BLKNUM_V_NUM_MASK,
+ ISP_AWB_HV_BLKNUM_V_NUM(awb_cfg->vert_zones_num));
+
+ c3_isp_update_bits(isp, ISP_AWB_STAT_RG, ISP_AWB_STAT_RG_MIN_VALUE_MASK,
+ ISP_AWB_STAT_RG_MIN_VALUE(awb_cfg->rg_min));
+ c3_isp_update_bits(isp, ISP_AWB_STAT_RG, ISP_AWB_STAT_RG_MAX_VALUE_MASK,
+ ISP_AWB_STAT_RG_MAX_VALUE(awb_cfg->rg_max));
+
+ c3_isp_update_bits(isp, ISP_AWB_STAT_BG, ISP_AWB_STAT_BG_MIN_VALUE_MASK,
+ ISP_AWB_STAT_BG_MIN_VALUE(awb_cfg->bg_min));
+ c3_isp_update_bits(isp, ISP_AWB_STAT_BG, ISP_AWB_STAT_BG_MAX_VALUE_MASK,
+ ISP_AWB_STAT_BG_MAX_VALUE(awb_cfg->bg_max));
+
+ c3_isp_update_bits(isp, ISP_AWB_STAT_RG_HL,
+ ISP_AWB_STAT_RG_HL_LOW_VALUE_MASK,
+ ISP_AWB_STAT_RG_HL_LOW_VALUE(awb_cfg->rg_low));
+ c3_isp_update_bits(isp, ISP_AWB_STAT_RG_HL,
+ ISP_AWB_STAT_RG_HL_HIGH_VALUE_MASK,
+ ISP_AWB_STAT_RG_HL_HIGH_VALUE(awb_cfg->rg_high));
+
+ c3_isp_update_bits(isp, ISP_AWB_STAT_BG_HL,
+ ISP_AWB_STAT_BG_HL_LOW_VALUE_MASK,
+ ISP_AWB_STAT_BG_HL_LOW_VALUE(awb_cfg->bg_low));
+ c3_isp_update_bits(isp, ISP_AWB_STAT_BG_HL,
+ ISP_AWB_STAT_BG_HL_HIGH_VALUE_MASK,
+ ISP_AWB_STAT_BG_HL_HIGH_VALUE(awb_cfg->bg_high));
+
+ c3_isp_params_awb_wt(isp, awb_cfg);
+ c3_isp_params_awb_cood(isp, awb_cfg);
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AWB_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AWB_STAT_EN);
+}
+
+static void c3_isp_params_ae_wt(struct c3_isp_device *isp,
+ const struct c3_isp_params_ae_config *cfg)
+{
+ unsigned int zones_num;
+ unsigned int base;
+ unsigned int data;
+ unsigned int i;
+
+ /* Set the weight address to 0 position */
+ c3_isp_write(isp, ISP_AE_BLK_WT_ADDR, 0);
+
+ zones_num = cfg->horiz_zones_num * cfg->vert_zones_num;
+
+ /* Need to write 8 weights at once */
+ for (i = 0; i < zones_num / 8; i++) {
+ base = i * 8;
+ data = ISP_AE_BLK_WT_DATA_WT(0, cfg->zone_weight[base + 0]) |
+ ISP_AE_BLK_WT_DATA_WT(1, cfg->zone_weight[base + 1]) |
+ ISP_AE_BLK_WT_DATA_WT(2, cfg->zone_weight[base + 2]) |
+ ISP_AE_BLK_WT_DATA_WT(3, cfg->zone_weight[base + 3]) |
+ ISP_AE_BLK_WT_DATA_WT(4, cfg->zone_weight[base + 4]) |
+ ISP_AE_BLK_WT_DATA_WT(5, cfg->zone_weight[base + 5]) |
+ ISP_AE_BLK_WT_DATA_WT(6, cfg->zone_weight[base + 6]) |
+ ISP_AE_BLK_WT_DATA_WT(7, cfg->zone_weight[base + 7]);
+ c3_isp_write(isp, ISP_AE_BLK_WT_DATA, data);
+ }
+
+ if (zones_num % 8 == 0)
+ return;
+
+ data = 0;
+ base = i * 8;
+
+ /* Write the last weights data */
+ for (i = 0; i < zones_num % 8; i++)
+ data |= ISP_AE_BLK_WT_DATA_WT(i, cfg->zone_weight[base + i]);
+
+ c3_isp_write(isp, ISP_AE_BLK_WT_DATA, data);
+}
+
+static void c3_isp_params_ae_cood(struct c3_isp_device *isp,
+ const struct c3_isp_params_ae_config *cfg)
+{
+ unsigned int max_point_num;
+
+ /* The number of points is one more than the number of edges */
+ max_point_num = max(cfg->horiz_zones_num, cfg->vert_zones_num) + 1;
+
+ /* Set the index address to 0 position */
+ c3_isp_write(isp, ISP_AE_IDX_ADDR, 0);
+
+ for (unsigned int i = 0; i < max_point_num; i++)
+ c3_isp_write(isp, ISP_AE_IDX_DATA,
+ ISP_AE_IDX_DATA_HIDX_DATA(cfg->horiz_coord[i]) |
+ ISP_AE_IDX_DATA_VIDX_DATA(cfg->vert_coord[i]));
+}
+
+static void c3_isp_params_cfg_ae_config(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_ae_config *ae_cfg = &block->ae_cfg;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AE_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AE_STAT_DIS);
+ return;
+ }
+
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AE_POINT_MASK,
+ ISP_TOP_3A_STAT_CRTL_AE_POINT(ae_cfg->tap_point));
+
+ if (ae_cfg->tap_point == C3_ISP_AE_STATS_TAP_GE)
+ c3_isp_update_bits(isp, ISP_AE_CTRL,
+ ISP_AE_CTRL_INPUT_2LINE_MASK,
+ ISP_AE_CTRL_INPUT_2LINE_EN);
+ else
+ c3_isp_update_bits(isp, ISP_AE_CTRL,
+ ISP_AE_CTRL_INPUT_2LINE_MASK,
+ ISP_AE_CTRL_INPUT_2LINE_DIS);
+
+ c3_isp_update_bits(isp, ISP_AE_HV_BLKNUM,
+ ISP_AE_HV_BLKNUM_H_NUM_MASK,
+ ISP_AE_HV_BLKNUM_H_NUM(ae_cfg->horiz_zones_num));
+ c3_isp_update_bits(isp, ISP_AE_HV_BLKNUM,
+ ISP_AE_HV_BLKNUM_V_NUM_MASK,
+ ISP_AE_HV_BLKNUM_V_NUM(ae_cfg->vert_zones_num));
+
+ c3_isp_params_ae_wt(isp, ae_cfg);
+ c3_isp_params_ae_cood(isp, ae_cfg);
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AE_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AE_STAT_EN);
+}
+
+static void c3_isp_params_af_cood(struct c3_isp_device *isp,
+ const struct c3_isp_params_af_config *cfg)
+{
+ unsigned int max_point_num;
+
+ /* The number of points is one more than the number of edges */
+ max_point_num = max(cfg->horiz_zones_num, cfg->vert_zones_num) + 1;
+
+ /* Set the index address to 0 position */
+ c3_isp_write(isp, ISP_AF_IDX_ADDR, 0);
+
+ for (unsigned int i = 0; i < max_point_num; i++)
+ c3_isp_write(isp, ISP_AF_IDX_DATA,
+ ISP_AF_IDX_DATA_HIDX_DATA(cfg->horiz_coord[i]) |
+ ISP_AF_IDX_DATA_VIDX_DATA(cfg->vert_coord[i]));
+}
+
+static void c3_isp_params_cfg_af_config(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_af_config *af_cfg = &block->af_cfg;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AF_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AF_STAT_DIS);
+ return;
+ }
+
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AF_POINT_MASK,
+ ISP_TOP_3A_STAT_CRTL_AF_POINT(af_cfg->tap_point));
+
+ c3_isp_update_bits(isp, ISP_AF_HV_BLKNUM,
+ ISP_AF_HV_BLKNUM_H_NUM_MASK,
+ ISP_AF_HV_BLKNUM_H_NUM(af_cfg->horiz_zones_num));
+ c3_isp_update_bits(isp, ISP_AF_HV_BLKNUM,
+ ISP_AF_HV_BLKNUM_V_NUM_MASK,
+ ISP_AF_HV_BLKNUM_V_NUM(af_cfg->vert_zones_num));
+
+ c3_isp_params_af_cood(isp, af_cfg);
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AF_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AF_STAT_EN);
+}
+
+static void c3_isp_params_cfg_pst_gamma(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_pst_gamma *gm = &block->pst_gamma;
+ unsigned int base;
+ unsigned int i;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_PST_GAMMA_EN_MASK,
+ ISP_TOP_BED_CTRL_PST_GAMMA_DIS);
+ return;
+ }
+
+ /* R, G and B channels use the same gamma lut */
+ for (unsigned int j = 0; j < 3; j++) {
+ /* Set the channel lut address */
+ c3_isp_write(isp, ISP_PST_GAMMA_LUT_ADDR,
+ ISP_PST_GAMMA_LUT_ADDR_IDX_ADDR(j));
+
+ /* Need to write 2 lut values at once */
+ for (i = 0; i < ARRAY_SIZE(gm->lut) / 2; i++) {
+ base = i * 2;
+ c3_isp_write(isp, ISP_PST_GAMMA_LUT_DATA,
+ ISP_PST_GM_LUT_DATA0(gm->lut[base]) |
+ ISP_PST_GM_LUT_DATA1(gm->lut[base + 1]));
+ }
+
+ /* Write the last one */
+ if (ARRAY_SIZE(gm->lut) % 2) {
+ base = i * 2;
+ c3_isp_write(isp, ISP_PST_GAMMA_LUT_DATA,
+ ISP_PST_GM_LUT_DATA0(gm->lut[base]));
+ }
+ }
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_PST_GAMMA_EN_MASK,
+ ISP_TOP_BED_CTRL_PST_GAMMA_EN);
+}
+
+/* Configure 3 x 3 ccm matrix */
+static void c3_isp_params_cfg_ccm(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_ccm *ccm = &block->ccm;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_CCM_EN_MASK,
+ ISP_TOP_BED_CTRL_CCM_DIS);
+ return;
+ }
+
+ c3_isp_update_bits(isp, ISP_CCM_MTX_00_01,
+ ISP_CCM_MTX_00_01_MTX_00_MASK,
+ ISP_CCM_MTX_00_01_MTX_00(ccm->matrix[0][0]));
+ c3_isp_update_bits(isp, ISP_CCM_MTX_00_01,
+ ISP_CCM_MTX_00_01_MTX_01_MASK,
+ ISP_CCM_MTX_00_01_MTX_01(ccm->matrix[0][1]));
+ c3_isp_update_bits(isp, ISP_CCM_MTX_02_03,
+ ISP_CCM_MTX_02_03_MTX_02_MASK,
+ ISP_CCM_MTX_02_03_MTX_02(ccm->matrix[0][2]));
+
+ c3_isp_update_bits(isp, ISP_CCM_MTX_10_11,
+ ISP_CCM_MTX_10_11_MTX_10_MASK,
+ ISP_CCM_MTX_10_11_MTX_10(ccm->matrix[1][0]));
+ c3_isp_update_bits(isp, ISP_CCM_MTX_10_11,
+ ISP_CCM_MTX_10_11_MTX_11_MASK,
+ ISP_CCM_MTX_10_11_MTX_11(ccm->matrix[1][1]));
+ c3_isp_update_bits(isp, ISP_CCM_MTX_12_13,
+ ISP_CCM_MTX_12_13_MTX_12_MASK,
+ ISP_CCM_MTX_12_13_MTX_12(ccm->matrix[1][2]));
+
+ c3_isp_update_bits(isp, ISP_CCM_MTX_20_21,
+ ISP_CCM_MTX_20_21_MTX_20_MASK,
+ ISP_CCM_MTX_20_21_MTX_20(ccm->matrix[2][0]));
+ c3_isp_update_bits(isp, ISP_CCM_MTX_20_21,
+ ISP_CCM_MTX_20_21_MTX_21_MASK,
+ ISP_CCM_MTX_20_21_MTX_21(ccm->matrix[2][1]));
+ c3_isp_update_bits(isp, ISP_CCM_MTX_22_23_RS,
+ ISP_CCM_MTX_22_23_RS_MTX_22_MASK,
+ ISP_CCM_MTX_22_23_RS_MTX_22(ccm->matrix[2][2]));
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_CCM_EN_MASK,
+ ISP_TOP_BED_CTRL_CCM_EN);
+}
+
+/* Configure color space conversion matrix parameters */
+static void c3_isp_params_cfg_csc(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_csc *csc = &block->csc;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_CM0_EN_MASK,
+ ISP_TOP_BED_CTRL_CM0_DIS);
+ return;
+ }
+
+ c3_isp_update_bits(isp, ISP_CM0_COEF00_01,
+ ISP_CM0_COEF00_01_MTX_00_MASK,
+ ISP_CM0_COEF00_01_MTX_00(csc->matrix[0][0]));
+ c3_isp_update_bits(isp, ISP_CM0_COEF00_01,
+ ISP_CM0_COEF00_01_MTX_01_MASK,
+ ISP_CM0_COEF00_01_MTX_01(csc->matrix[0][1]));
+ c3_isp_update_bits(isp, ISP_CM0_COEF02_10,
+ ISP_CM0_COEF02_10_MTX_02_MASK,
+ ISP_CM0_COEF02_10_MTX_02(csc->matrix[0][2]));
+
+ c3_isp_update_bits(isp, ISP_CM0_COEF02_10,
+ ISP_CM0_COEF02_10_MTX_10_MASK,
+ ISP_CM0_COEF02_10_MTX_10(csc->matrix[1][0]));
+ c3_isp_update_bits(isp, ISP_CM0_COEF11_12,
+ ISP_CM0_COEF11_12_MTX_11_MASK,
+ ISP_CM0_COEF11_12_MTX_11(csc->matrix[1][1]));
+ c3_isp_update_bits(isp, ISP_CM0_COEF11_12,
+ ISP_CM0_COEF11_12_MTX_12_MASK,
+ ISP_CM0_COEF11_12_MTX_12(csc->matrix[1][2]));
+
+ c3_isp_update_bits(isp, ISP_CM0_COEF20_21,
+ ISP_CM0_COEF20_21_MTX_20_MASK,
+ ISP_CM0_COEF20_21_MTX_20(csc->matrix[2][0]));
+ c3_isp_update_bits(isp, ISP_CM0_COEF20_21,
+ ISP_CM0_COEF20_21_MTX_21_MASK,
+ ISP_CM0_COEF20_21_MTX_21(csc->matrix[2][1]));
+ c3_isp_update_bits(isp, ISP_CM0_COEF22_OUP_OFST0,
+ ISP_CM0_COEF22_OUP_OFST0_MTX_22_MASK,
+ ISP_CM0_COEF22_OUP_OFST0_MTX_22(csc->matrix[2][2]));
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_CM0_EN_MASK,
+ ISP_TOP_BED_CTRL_CM0_EN);
+}
+
+/* Set blc offset of each color channel */
+static void c3_isp_params_cfg_blc(struct c3_isp_device *isp,
+ const union c3_isp_params_block *block)
+{
+ const struct c3_isp_params_blc *blc = &block->blc;
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_DISABLE) {
+ c3_isp_update_bits(isp, ISP_TOP_BEO_CTRL,
+ ISP_TOP_BEO_CTRL_BLC_EN_MASK,
+ ISP_TOP_BEO_CTRL_BLC_DIS);
+ return;
+ }
+
+ c3_isp_write(isp, ISP_LSWB_BLC_OFST0,
+ ISP_LSWB_BLC_OFST0_R_OFST(blc->r_ofst) |
+ ISP_LSWB_BLC_OFST0_GR_OFST(blc->gr_ofst));
+ c3_isp_write(isp, ISP_LSWB_BLC_OFST1,
+ ISP_LSWB_BLC_OFST1_GB_OFST(blc->gb_ofst) |
+ ISP_LSWB_BLC_OFST1_B_OFST(blc->b_ofst));
+
+ if (block->header.flags & C3_ISP_PARAMS_BLOCK_FL_ENABLE)
+ c3_isp_update_bits(isp, ISP_TOP_BEO_CTRL,
+ ISP_TOP_BEO_CTRL_BLC_EN_MASK,
+ ISP_TOP_BEO_CTRL_BLC_EN);
+}
+
+static const struct c3_isp_params_handler c3_isp_params_handlers[] = {
+ [C3_ISP_PARAMS_BLOCK_AWB_GAINS] = {
+ .size = sizeof(struct c3_isp_params_awb_gains),
+ .handler = c3_isp_params_cfg_awb_gains,
+ },
+ [C3_ISP_PARAMS_BLOCK_AWB_CONFIG] = {
+ .size = sizeof(struct c3_isp_params_awb_config),
+ .handler = c3_isp_params_cfg_awb_config,
+ },
+ [C3_ISP_PARAMS_BLOCK_AE_CONFIG] = {
+ .size = sizeof(struct c3_isp_params_ae_config),
+ .handler = c3_isp_params_cfg_ae_config,
+ },
+ [C3_ISP_PARAMS_BLOCK_AF_CONFIG] = {
+ .size = sizeof(struct c3_isp_params_af_config),
+ .handler = c3_isp_params_cfg_af_config,
+ },
+ [C3_ISP_PARAMS_BLOCK_PST_GAMMA] = {
+ .size = sizeof(struct c3_isp_params_pst_gamma),
+ .handler = c3_isp_params_cfg_pst_gamma,
+ },
+ [C3_ISP_PARAMS_BLOCK_CCM] = {
+ .size = sizeof(struct c3_isp_params_ccm),
+ .handler = c3_isp_params_cfg_ccm,
+ },
+ [C3_ISP_PARAMS_BLOCK_CSC] = {
+ .size = sizeof(struct c3_isp_params_csc),
+ .handler = c3_isp_params_cfg_csc,
+ },
+ [C3_ISP_PARAMS_BLOCK_BLC] = {
+ .size = sizeof(struct c3_isp_params_blc),
+ .handler = c3_isp_params_cfg_blc,
+ },
+};
+
+static void c3_isp_params_cfg_blocks(struct c3_isp_params *params)
+{
+ struct c3_isp_params_cfg *config = params->buff->cfg;
+ size_t block_offset = 0;
+
+ if (WARN_ON(!config))
+ return;
+
+ /* Walk the list of parameter blocks and process them */
+ while (block_offset < config->data_size) {
+ const struct c3_isp_params_handler *block_handler;
+ const union c3_isp_params_block *block;
+
+ block = (const union c3_isp_params_block *)
+ &config->data[block_offset];
+
+ block_handler = &c3_isp_params_handlers[block->header.type];
+ block_handler->handler(params->isp, block);
+
+ block_offset += block->header.size;
+ }
+}
+
+void c3_isp_params_pre_cfg(struct c3_isp_device *isp)
+{
+ struct c3_isp_params *params = &isp->params;
+
+ /* Disable some unused modules */
+ c3_isp_update_bits(isp, ISP_TOP_FEO_CTRL0,
+ ISP_TOP_FEO_CTRL0_INPUT_FMT_EN_MASK,
+ ISP_TOP_FEO_CTRL0_INPUT_FMT_DIS);
+
+ c3_isp_update_bits(isp, ISP_TOP_FEO_CTRL1_0,
+ ISP_TOP_FEO_CTRL1_0_DPC_EN_MASK,
+ ISP_TOP_FEO_CTRL1_0_DPC_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FEO_CTRL1_0,
+ ISP_TOP_FEO_CTRL1_0_OG_EN_MASK,
+ ISP_TOP_FEO_CTRL1_0_OG_DIS);
+
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL, ISP_TOP_FED_CTRL_PDPC_EN_MASK,
+ ISP_TOP_FED_CTRL_PDPC_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL,
+ ISP_TOP_FED_CTRL_RAWCNR_EN_MASK,
+ ISP_TOP_FED_CTRL_RAWCNR_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL, ISP_TOP_FED_CTRL_SNR1_EN_MASK,
+ ISP_TOP_FED_CTRL_SNR1_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL, ISP_TOP_FED_CTRL_TNR0_EN_MASK,
+ ISP_TOP_FED_CTRL_TNR0_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL,
+ ISP_TOP_FED_CTRL_CUBIC_CS_EN_MASK,
+ ISP_TOP_FED_CTRL_CUBIC_CS_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL, ISP_TOP_FED_CTRL_SQRT_EN_MASK,
+ ISP_TOP_FED_CTRL_SQRT_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_FED_CTRL,
+ ISP_TOP_FED_CTRL_DGAIN_EN_MASK,
+ ISP_TOP_FED_CTRL_DGAIN_DIS);
+
+ c3_isp_update_bits(isp, ISP_TOP_BEO_CTRL,
+ ISP_TOP_BEO_CTRL_INV_DGAIN_EN_MASK,
+ ISP_TOP_BEO_CTRL_INV_DGAIN_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BEO_CTRL, ISP_TOP_BEO_CTRL_EOTF_EN_MASK,
+ ISP_TOP_BEO_CTRL_EOTF_DIS);
+
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_YHS_STAT_EN_MASK,
+ ISP_TOP_BED_CTRL_YHS_STAT_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_GRPH_STAT_EN_MASK,
+ ISP_TOP_BED_CTRL_GRPH_STAT_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_FMETER_EN_MASK,
+ ISP_TOP_BED_CTRL_FMETER_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL, ISP_TOP_BED_CTRL_BSC_EN_MASK,
+ ISP_TOP_BED_CTRL_BSC_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL, ISP_TOP_BED_CTRL_CNR2_EN_MASK,
+ ISP_TOP_BED_CTRL_CNR2_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL, ISP_TOP_BED_CTRL_CM1_EN_MASK,
+ ISP_TOP_BED_CTRL_CM1_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_LUT3D_EN_MASK,
+ ISP_TOP_BED_CTRL_LUT3D_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL,
+ ISP_TOP_BED_CTRL_PST_TNR_LITE_EN_MASK,
+ ISP_TOP_BED_CTRL_PST_TNR_LITE_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_BED_CTRL, ISP_TOP_BED_CTRL_AMCM_EN_MASK,
+ ISP_TOP_BED_CTRL_AMCM_DIS);
+
+ /*
+ * Disable AE, AF and AWB stat module. Please configure the parameters
+ * in userspace algorithm if need to enable these switch.
+ */
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AE_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AE_STAT_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AWB_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AWB_STAT_DIS);
+ c3_isp_update_bits(isp, ISP_TOP_3A_STAT_CRTL,
+ ISP_TOP_3A_STAT_CRTL_AF_STAT_EN_MASK,
+ ISP_TOP_3A_STAT_CRTL_AF_STAT_DIS);
+
+ c3_isp_write(isp, ISP_LSWB_WB_LIMIT0,
+ ISP_LSWB_WB_LIMIT0_WB_LIMIT_R_MAX |
+ ISP_LSWB_WB_LIMIT0_WB_LIMIT_GR_MAX);
+ c3_isp_write(isp, ISP_LSWB_WB_LIMIT1,
+ ISP_LSWB_WB_LIMIT1_WB_LIMIT_GB_MAX |
+ ISP_LSWB_WB_LIMIT1_WB_LIMIT_B_MAX);
+
+ guard(spinlock_irqsave)(&params->buff_lock);
+
+ /* Only use the first buffer to initialize ISP */
+ params->buff =
+ list_first_entry_or_null(&params->pending,
+ struct c3_isp_params_buffer, list);
+ if (params->buff)
+ c3_isp_params_cfg_blocks(params);
+}
+
+/* V4L2 video operations */
+
+static int c3_isp_params_querycap(struct file *file, void *fh,
+ struct v4l2_capability *cap)
+{
+ strscpy(cap->driver, C3_ISP_DRIVER_NAME, sizeof(cap->driver));
+ strscpy(cap->card, "AML C3 ISP", sizeof(cap->card));
+
+ return 0;
+}
+
+static int c3_isp_params_enum_fmt(struct file *file, void *fh,
+ struct v4l2_fmtdesc *f)
+{
+ if (f->index)
+ return -EINVAL;
+
+ f->pixelformat = V4L2_META_FMT_C3ISP_PARAMS;
+
+ return 0;
+}
+
+static int c3_isp_params_g_fmt(struct file *file, void *fh,
+ struct v4l2_format *f)
+{
+ struct c3_isp_params *params = video_drvdata(file);
+
+ f->fmt.meta = params->vfmt.fmt.meta;
+
+ return 0;
+}
+
+static const struct v4l2_ioctl_ops isp_params_v4l2_ioctl_ops = {
+ .vidioc_querycap = c3_isp_params_querycap,
+ .vidioc_enum_fmt_meta_out = c3_isp_params_enum_fmt,
+ .vidioc_g_fmt_meta_out = c3_isp_params_g_fmt,
+ .vidioc_s_fmt_meta_out = c3_isp_params_g_fmt,
+ .vidioc_try_fmt_meta_out = c3_isp_params_g_fmt,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_expbuf = vb2_ioctl_expbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
+};
+
+static const struct v4l2_file_operations isp_params_v4l2_fops = {
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+ .poll = vb2_fop_poll,
+ .unlocked_ioctl = video_ioctl2,
+ .mmap = vb2_fop_mmap,
+};
+
+static int c3_isp_params_vb2_queue_setup(struct vb2_queue *q,
+ unsigned int *num_buffers,
+ unsigned int *num_planes,
+ unsigned int sizes[],
+ struct device *alloc_devs[])
+{
+ if (*num_planes) {
+ if (*num_planes != 1)
+ return -EINVAL;
+
+ if (sizes[0] < sizeof(struct c3_isp_params_cfg))
+ return -EINVAL;
+
+ return 0;
+ }
+
+ *num_planes = 1;
+ sizes[0] = sizeof(struct c3_isp_params_cfg);
+
+ return 0;
+}
+
+static void c3_isp_params_vb2_buf_queue(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *v4l2_buf = to_vb2_v4l2_buffer(vb);
+ struct c3_isp_params_buffer *buf = to_c3_isp_params_buffer(v4l2_buf);
+ struct c3_isp_params *params = vb2_get_drv_priv(vb->vb2_queue);
+
+ guard(spinlock_irqsave)(&params->buff_lock);
+
+ list_add_tail(&buf->list, &params->pending);
+}
+
+static int c3_isp_params_vb2_buf_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
+ struct c3_isp_params_buffer *buf = to_c3_isp_params_buffer(vbuf);
+ struct c3_isp_params *params = vb2_get_drv_priv(vb->vb2_queue);
+ struct c3_isp_params_cfg *cfg = buf->cfg;
+ struct c3_isp_params_cfg *usr_cfg = vb2_plane_vaddr(vb, 0);
+ size_t payload_size = vb2_get_plane_payload(vb, 0);
+ size_t header_size = offsetof(struct c3_isp_params_cfg, data);
+ size_t block_offset = 0;
+ size_t cfg_size;
+
+ /* Payload size can't be greater than the destination buffer size */
+ if (payload_size > params->vfmt.fmt.meta.buffersize) {
+ dev_dbg(params->isp->dev,
+ "Payload size is too large: %zu\n", payload_size);
+ return -EINVAL;
+ }
+
+ /* Payload size can't be smaller than the header size */
+ if (payload_size < header_size) {
+ dev_dbg(params->isp->dev,
+ "Payload size is too small: %zu\n", payload_size);
+ return -EINVAL;
+ }
+
+ /*
+ * Use the internal scratch buffer to avoid userspace modifying
+ * the buffer content while the driver is processing it.
+ */
+ memcpy(cfg, usr_cfg, payload_size);
+
+ /* Only v0 is supported at the moment */
+ if (cfg->version != C3_ISP_PARAMS_BUFFER_V0) {
+ dev_dbg(params->isp->dev,
+ "Invalid params buffer version: %u\n", cfg->version);
+ return -EINVAL;
+ }
+
+ /* Validate the size reported in the parameter buffer header */
+ cfg_size = header_size + cfg->data_size;
+ if (cfg_size != payload_size) {
+ dev_dbg(params->isp->dev,
+ "Data size %zu and payload size %zu are different\n",
+ cfg_size, payload_size);
+ return -EINVAL;
+ }
+
+ /* Walk the list of parameter blocks and validate them */
+ cfg_size = cfg->data_size;
+ while (cfg_size >= sizeof(struct c3_isp_params_block_header)) {
+ const struct c3_isp_params_block_header *block;
+ const struct c3_isp_params_handler *handler;
+
+ block = (struct c3_isp_params_block_header *)
+ &cfg->data[block_offset];
+
+ if (block->type >= ARRAY_SIZE(c3_isp_params_handlers)) {
+ dev_dbg(params->isp->dev,
+ "Invalid params block type\n");
+ return -EINVAL;
+ }
+
+ if (block->size > cfg_size) {
+ dev_dbg(params->isp->dev,
+ "Block size is greater than cfg size\n");
+ return -EINVAL;
+ }
+
+ if ((block->flags & (C3_ISP_PARAMS_BLOCK_FL_ENABLE |
+ C3_ISP_PARAMS_BLOCK_FL_DISABLE)) ==
+ (C3_ISP_PARAMS_BLOCK_FL_ENABLE |
+ C3_ISP_PARAMS_BLOCK_FL_DISABLE)) {
+ dev_dbg(params->isp->dev,
+ "Invalid parameters block flags\n");
+ return -EINVAL;
+ }
+
+ handler = &c3_isp_params_handlers[block->type];
+ if (block->size != handler->size) {
+ dev_dbg(params->isp->dev,
+ "Invalid params block size\n");
+ return -EINVAL;
+ }
+
+ block_offset += block->size;
+ cfg_size -= block->size;
+ }
+
+ if (cfg_size) {
+ dev_dbg(params->isp->dev,
+ "Unexpected data after the params buffer end\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int c3_isp_params_vb2_buf_init(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *v4l2_buf = to_vb2_v4l2_buffer(vb);
+ struct c3_isp_params *params = vb2_get_drv_priv(vb->vb2_queue);
+ struct c3_isp_params_buffer *buf = to_c3_isp_params_buffer(v4l2_buf);
+
+ buf->cfg = kvmalloc(params->vfmt.fmt.meta.buffersize, GFP_KERNEL);
+ if (!buf->cfg)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void c3_isp_params_vb2_buf_cleanup(struct vb2_buffer *vb)
+{
+ struct vb2_v4l2_buffer *v4l2_buf = to_vb2_v4l2_buffer(vb);
+ struct c3_isp_params_buffer *buf = to_c3_isp_params_buffer(v4l2_buf);
+
+ kvfree(buf->cfg);
+ buf->cfg = NULL;
+}
+
+static void c3_isp_params_vb2_stop_streaming(struct vb2_queue *q)
+{
+ struct c3_isp_params *params = vb2_get_drv_priv(q);
+ struct c3_isp_params_buffer *buff;
+
+ guard(spinlock_irqsave)(&params->buff_lock);
+
+ while (!list_empty(&params->pending)) {
+ buff = list_first_entry(&params->pending,
+ struct c3_isp_params_buffer, list);
+ list_del(&buff->list);
+ vb2_buffer_done(&buff->vb.vb2_buf, VB2_BUF_STATE_ERROR);
+ }
+}
+
+static const struct vb2_ops isp_params_vb2_ops = {
+ .queue_setup = c3_isp_params_vb2_queue_setup,
+ .buf_queue = c3_isp_params_vb2_buf_queue,
+ .buf_prepare = c3_isp_params_vb2_buf_prepare,
+ .buf_init = c3_isp_params_vb2_buf_init,
+ .buf_cleanup = c3_isp_params_vb2_buf_cleanup,
+ .stop_streaming = c3_isp_params_vb2_stop_streaming,
+};
+
+int c3_isp_params_register(struct c3_isp_device *isp)
+{
+ struct c3_isp_params *params = &isp->params;
+ struct video_device *vdev = &params->vdev;
+ struct vb2_queue *vb2_q = &params->vb2_q;
+ int ret;
+
+ memset(params, 0, sizeof(*params));
+ params->vfmt.fmt.meta.dataformat = V4L2_META_FMT_C3ISP_PARAMS;
+ params->vfmt.fmt.meta.buffersize = sizeof(struct c3_isp_params_cfg);
+ params->isp = isp;
+ INIT_LIST_HEAD(&params->pending);
+ spin_lock_init(&params->buff_lock);
+ mutex_init(&params->lock);
+
+ snprintf(vdev->name, sizeof(vdev->name), "c3-isp-params");
+ vdev->fops = &isp_params_v4l2_fops;
+ vdev->ioctl_ops = &isp_params_v4l2_ioctl_ops;
+ vdev->v4l2_dev = &isp->v4l2_dev;
+ vdev->lock = &params->lock;
+ vdev->minor = -1;
+ vdev->queue = vb2_q;
+ vdev->release = video_device_release_empty;
+ vdev->device_caps = V4L2_CAP_META_OUTPUT | V4L2_CAP_STREAMING;
+ vdev->vfl_dir = VFL_DIR_TX;
+ video_set_drvdata(vdev, params);
+
+ vb2_q->drv_priv = params;
+ vb2_q->mem_ops = &vb2_vmalloc_memops;
+ vb2_q->ops = &isp_params_vb2_ops;
+ vb2_q->type = V4L2_BUF_TYPE_META_OUTPUT;
+ vb2_q->io_modes = VB2_DMABUF | VB2_MMAP;
+ vb2_q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ vb2_q->buf_struct_size = sizeof(struct c3_isp_params_buffer);
+ vb2_q->dev = isp->dev;
+ vb2_q->lock = &params->lock;
+ vb2_q->min_queued_buffers = 1;
+
+ ret = vb2_queue_init(vb2_q);
+ if (ret)
+ goto err_detroy;
+
+ params->pad.flags = MEDIA_PAD_FL_SOURCE;
+ ret = media_entity_pads_init(&vdev->entity, 1, &params->pad);
+ if (ret)
+ goto err_queue_release;
+
+ ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
+ if (ret < 0) {
+ dev_err(isp->dev,
+ "Failed to register %s: %d\n", vdev->name, ret);
+ goto err_entity_cleanup;
+ }
+
+ return 0;
+
+err_entity_cleanup:
+ media_entity_cleanup(&vdev->entity);
+err_queue_release:
+ vb2_queue_release(vb2_q);
+err_detroy:
+ mutex_destroy(&params->lock);
+ return ret;
+}
+
+void c3_isp_params_unregister(struct c3_isp_device *isp)
+{
+ struct c3_isp_params *params = &isp->params;
+
+ vb2_queue_release(&params->vb2_q);
+ media_entity_cleanup(&params->vdev.entity);
+ video_unregister_device(&params->vdev);
+ mutex_destroy(&params->lock);
+}
+
+void c3_isp_params_isr(struct c3_isp_device *isp)
+{
+ struct c3_isp_params *params = &isp->params;
+
+ guard(spinlock_irqsave)(&params->buff_lock);
+
+ params->buff =
+ list_first_entry_or_null(&params->pending,
+ struct c3_isp_params_buffer, list);
+ if (!params->buff)
+ return;
+
+ list_del(&params->buff->list);
+
+ c3_isp_params_cfg_blocks(params);
+
+ params->buff->vb.sequence = params->isp->frm_sequence;
+ params->buff->vb.vb2_buf.timestamp = ktime_get();
+ params->buff->vb.field = V4L2_FIELD_NONE;
+ vb2_buffer_done(&params->buff->vb.vb2_buf, VB2_BUF_STATE_DONE);
+}
generated by cgit v1.2.3 (git 2.39.0) at 2025-05-31 15:53:20 +0300