1 files changed, 131 insertions, 0 deletions
diff --git a/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_hist.c b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_hist.c
new file mode 100644
index 00000000..5ab1a8c3
--- /dev/null
+++ b/drivers/media/sprd_isp/isp2.0/pike/src/isp_k_hist.c
@@ -0,0 +1,131 @@
+/*
+ * 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_hist_block(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	struct isp_dev_hist_info_v1 hist_info;
+	uint32_t val = 0;
+
+	memset(&hist_info, 0x00, sizeof(hist_info));
+
+	ret = copy_from_user((void *)&hist_info, param->property_param, sizeof(hist_info));
+	if (0 != ret) {
+		printk("isp_k_hist_block: copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	if (hist_info.buf_rst_en) {
+		REG_OWR(ISP_HIST_PARAM, BIT_1);
+	} else {
+		REG_MWR(ISP_HIST_PARAM, BIT_1, 0);
+	}
+//pike has no bit9
+/*	if (hist_info.pof_rst_en) {
+		REG_OWR(ISP_HIST_PARAM, BIT_9);
+	} else {
+		REG_MWR(ISP_HIST_PARAM, BIT_9, 0);
+	}*/
+
+	if (hist_info.skip_num_clr) {
+		REG_OWR(ISP_HIST_PARAM, BIT_8);
+	} else {
+		REG_MWR(ISP_HIST_PARAM, BIT_8, 0);
+	}
+
+	REG_MWR(ISP_HIST_PARAM, 0xF0, hist_info.skip_num << 4);
+
+	if (hist_info.mode) {
+		REG_OWR(ISP_HIST_PARAM, BIT_3);
+	} else {
+		REG_MWR(ISP_HIST_PARAM, BIT_3, 0);
+	}
+
+	val = ((hist_info.high_ratio & 0xFFFF) << 16)
+			| (hist_info.low_ratio & 0xFFFF);
+
+	REG_WR(ISP_HIST_RATIO, val);
+
+	val = (hist_info.dif_adj & 0xFF) | ((hist_info.small_adj & 0xFF) << 8)
+		| ((hist_info.big_adj & 0xFF) << 16);
+
+	REG_WR(ISP_HIST_ADJUST, val);
+
+	if (hist_info.off) {
+		REG_OWR(ISP_HIST_PARAM, BIT_2);
+	} else {
+		REG_MWR(ISP_HIST_PARAM, BIT_2, 0);
+	}
+
+	if (hist_info.bypass) {
+		REG_OWR(ISP_HIST_PARAM, BIT_0);
+	} else {
+		REG_MWR(ISP_HIST_PARAM, BIT_0, 0);
+	}
+
+	return ret;
+}
+
+static int32_t isp_k_hist_slice_size(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+	uint32_t val = 0;
+	struct isp_img_size size = {0};
+
+	ret = copy_from_user((void *)&size, param->property_param, sizeof(size));
+	if (0 != ret) {
+		printk("isp_k_hist_slice_size: read copy_from_user error, ret = 0x%x\n", (uint32_t)ret);
+		return -1;
+	}
+
+	val = ((size.height & 0xFFFF) << 16)
+			| (size.width & 0xFFFF);
+
+	REG_WR(ISP_HIST_SLICE_SIZE, val);
+
+	return ret;
+}
+
+int32_t isp_k_cfg_hist(struct isp_io_param *param)
+{
+	int32_t ret = 0;
+
+	if (!param) {
+		printk("isp_k_cfg_hist: param is null error.\n");
+		return -1;
+	}
+
+	if (NULL == param->property_param) {
+		printk("isp_k_cfg_hist: property_param is null error.\n");
+		return -1;
+	}
+
+	switch (param->property) {
+	case ISP_PRO_HIST_BLOCK:
+		ret = isp_k_hist_block(param);
+		break;
+	case ISP_PRO_HIST_SLICE_SIZE:
+		ret = isp_k_hist_slice_size(param);
+		break;
+	default:
+		printk("isp_k_cfg_hist: fail cmd id:%d, not supported.\n", param->property);
+		break;
+	}
+
+	return ret;
+}