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authorYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
committerYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
commit8e4bff4cab0ddac6060645b0715210484d02ff40 (patch)
tree3a5c3024371a04692a3a6d9974d001cdff8ebf84 /drivers/media/sprd_isp/isp2.0/tshark2/src/isp_k_hist2.c
Initial file dump from open source releaseHEADmaster
Diffstat (limited to 'drivers/media/sprd_isp/isp2.0/tshark2/src/isp_k_hist2.c')
-rw-r--r--drivers/media/sprd_isp/isp2.0/tshark2/src/isp_k_hist2.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/tshark2/src/isp_k_hist2.c b/drivers/media/sprd_isp/isp2.0/tshark2/src/isp_k_hist2.c
new file mode 100644
index 00000000..2ee88107
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/tshark2/src/isp_k_hist2.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+#include <linux/uaccess.h>
+#include <linux/sprd_mm.h>
+#include <video/sprd_isp.h>
+#include "isp_reg.h"
+
+static int32_t isp_k_hist2_block(struct isp_io_param *param)
+{
+ int32_t ret = 0;
+ struct isp_dev_hist2_info_v1 hist2_info;
+ uint32_t val = 0;
+ uint32_t i = 0;
+
+ memset(&hist2_info, 0x00, sizeof(hist2_info));
+
+ ret = copy_from_user((void *)&hist2_info, param->property_param, sizeof(hist2_info));
+ if (0 != ret) {
+ printk("isp_k_hist2_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+ return -1;
+ }
+
+ if (hist2_info.skip_num_clr) {
+ REG_OWR(ISP_HIST2_PARAM, BIT_8);
+ } else {
+ REG_MWR(ISP_HIST2_PARAM, BIT_8, 0);
+ }
+
+ REG_MWR(ISP_HIST2_PARAM, 0xF0, hist2_info.skip_num << 4);
+
+ if (hist2_info.mode) {
+ REG_OWR(ISP_HIST2_PARAM, BIT_3);
+ } else {
+ REG_MWR(ISP_HIST2_PARAM, BIT_3, 0);
+ }
+
+ for (i = 0; i < 4; i++) {
+ val = (hist2_info.hist_roi_y_s[i] & 0xFFFF) | ((hist2_info.hist_roi_x_s[i] & 0xFFFF) << 16);
+ REG_WR(ISP_HIST2_ROI_S0 + i * 8, val);
+
+ val = (hist2_info.hist_roi_y_e[i] & 0xFFFF) | ((hist2_info.hist_roi_x_e[i] & 0xFFFF) << 16);
+ REG_WR(ISP_HIST2_ROI_E0 + i * 8, val);
+ }
+
+ if (hist2_info.en) {
+ REG_OWR(ISP_HIST2_PARAM, BIT_1);
+ } else {
+ REG_MWR(ISP_HIST2_PARAM, BIT_1, 0);
+ }
+
+ if (hist2_info.bypass) {
+ REG_OWR(ISP_HIST2_PARAM, BIT_0);
+ } else {
+ REG_MWR(ISP_HIST2_PARAM, BIT_0, 0);
+ }
+
+ return ret;
+}
+
+int32_t isp_k_cfg_hist2(struct isp_io_param *param)
+{
+ int32_t ret = 0;
+
+ if (!param) {
+ printk("isp_k_cfg_hist2: param is null error.\n");
+ return -1;
+ }
+
+ if (NULL == param->property_param) {
+ printk("isp_k_cfg_hist2: property_param is null error.\n");
+ return -1;
+ }
+
+ switch (param->property) {
+ case ISP_PRO_HIST2_BLOCK:
+ ret = isp_k_hist2_block(param);
+ break;
+ default:
+ printk("isp_k_cfg_hist2: fail cmd id:%d, not supported.\n", param->property);
+ break;
+ }
+
+ return ret;
+}